diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0232-staging-vc04_services-Split-vchiq-mmal-into-a-module.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0232-staging-vc04_services-Split-vchiq-mmal-into-a-module.patch | 7535 |
1 files changed, 0 insertions, 7535 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0232-staging-vc04_services-Split-vchiq-mmal-into-a-module.patch b/target/linux/bcm27xx/patches-4.19/950-0232-staging-vc04_services-Split-vchiq-mmal-into-a-module.patch deleted file mode 100644 index 1cd23da288..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0232-staging-vc04_services-Split-vchiq-mmal-into-a-module.patch +++ /dev/null @@ -1,7535 +0,0 @@ -From e7723c6bcf31a440b8762e9e22497ff3fbbb7056 Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.org> -Date: Mon, 24 Sep 2018 16:30:37 +0100 -Subject: [PATCH] staging: vc04_services: Split vchiq-mmal into a - module - -In preparation for adding a video codec V4L2 module which also -wants to use vchiq-mmal functions, split it out into an -independent module. -The minimum number of changes have been made to achieve this -(eg straight moves where possible) so existing checkpatch -errors will still be present. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> ---- - drivers/staging/vc04_services/Kconfig | 1 + - drivers/staging/vc04_services/Makefile | 1 + - .../vc04_services/bcm2835-camera/Kconfig | 2 +- - .../vc04_services/bcm2835-camera/Makefile | 4 ++-- - .../staging/vc04_services/vchiq-mmal/Kconfig | 7 ++++++ - .../staging/vc04_services/vchiq-mmal/Makefile | 8 +++++++ - .../mmal-common.h | 0 - .../mmal-encodings.h | 0 - .../mmal-msg-common.h | 0 - .../mmal-msg-format.h | 0 - .../mmal-msg-port.h | 0 - .../{bcm2835-camera => vchiq-mmal}/mmal-msg.h | 0 - .../mmal-parameters.h | 0 - .../mmal-vchiq.c | 22 +++++++++++++++++++ - .../mmal-vchiq.h | 0 - 15 files changed, 42 insertions(+), 3 deletions(-) - create mode 100644 drivers/staging/vc04_services/vchiq-mmal/Kconfig - create mode 100644 drivers/staging/vc04_services/vchiq-mmal/Makefile - rename drivers/staging/vc04_services/{bcm2835-camera => vchiq-mmal}/mmal-common.h (100%) - rename drivers/staging/vc04_services/{bcm2835-camera => vchiq-mmal}/mmal-encodings.h (100%) - rename drivers/staging/vc04_services/{bcm2835-camera => vchiq-mmal}/mmal-msg-common.h (100%) - rename drivers/staging/vc04_services/{bcm2835-camera => vchiq-mmal}/mmal-msg-format.h (100%) - rename drivers/staging/vc04_services/{bcm2835-camera => vchiq-mmal}/mmal-msg-port.h (100%) - rename drivers/staging/vc04_services/{bcm2835-camera => vchiq-mmal}/mmal-msg.h (100%) - rename drivers/staging/vc04_services/{bcm2835-camera => vchiq-mmal}/mmal-parameters.h (100%) - rename drivers/staging/vc04_services/{bcm2835-camera => vchiq-mmal}/mmal-vchiq.c (98%) - rename drivers/staging/vc04_services/{bcm2835-camera => vchiq-mmal}/mmal-vchiq.h (100%) - ---- a/drivers/staging/vc04_services/Kconfig -+++ b/drivers/staging/vc04_services/Kconfig -@@ -21,6 +21,7 @@ config BCM2835_VCHIQ - source "drivers/staging/vc04_services/bcm2835-audio/Kconfig" - - source "drivers/staging/vc04_services/bcm2835-camera/Kconfig" -+source "drivers/staging/vc04_services/vchiq-mmal/Kconfig" - - endif - ---- a/drivers/staging/vc04_services/Makefile -+++ b/drivers/staging/vc04_services/Makefile -@@ -12,6 +12,7 @@ vchiq-objs := \ - - obj-$(CONFIG_SND_BCM2835) += bcm2835-audio/ - obj-$(CONFIG_VIDEO_BCM2835) += bcm2835-camera/ -+obj-$(CONFIG_BCM2835_VCHIQ_MMAL) += vchiq-mmal/ - - ccflags-y += -Idrivers/staging/vc04_services -D__VCCOREVER__=0x04000000 - ---- a/drivers/staging/vc04_services/bcm2835-camera/Kconfig -+++ b/drivers/staging/vc04_services/bcm2835-camera/Kconfig -@@ -2,7 +2,7 @@ config VIDEO_BCM2835 - tristate "BCM2835 Camera" - depends on MEDIA_SUPPORT - depends on VIDEO_V4L2 && (ARCH_BCM2835 || COMPILE_TEST) -- select BCM2835_VCHIQ -+ select BCM2835_VCHIQ_MMAL - select VIDEOBUF2_VMALLOC - select BTREE - help ---- a/drivers/staging/vc04_services/bcm2835-camera/Makefile -+++ b/drivers/staging/vc04_services/bcm2835-camera/Makefile -@@ -1,11 +1,11 @@ - # SPDX-License-Identifier: GPL-2.0 - bcm2835-v4l2-$(CONFIG_VIDEO_BCM2835) := \ - bcm2835-camera.o \ -- controls.o \ -- mmal-vchiq.o -+ controls.o - - obj-$(CONFIG_VIDEO_BCM2835) += bcm2835-v4l2.o - - ccflags-y += \ - -Idrivers/staging/vc04_services \ -+ -Idrivers/staging/vc04_services/vchiq-mmal \ - -D__VCCOREVER__=0x04000000 ---- /dev/null -+++ b/drivers/staging/vc04_services/vchiq-mmal/Kconfig -@@ -0,0 +1,7 @@ -+config BCM2835_VCHIQ_MMAL -+ tristate "BCM2835 MMAL VCHIQ service" -+ depends on (ARCH_BCM2835 || COMPILE_TEST) -+ select BCM2835_VCHIQ -+ help -+ Enables the MMAL API over VCHIQ as used for the -+ majority of the multimedia services on VideoCore. ---- /dev/null -+++ b/drivers/staging/vc04_services/vchiq-mmal/Makefile -@@ -0,0 +1,8 @@ -+# SPDX-License-Identifier: GPL-2.0 -+bcm2835-mmal-vchiq-objs := mmal-vchiq.o -+ -+obj-$(CONFIG_BCM2835_VCHIQ_MMAL) += bcm2835-mmal-vchiq.o -+ -+ccflags-y += \ -+ -Idrivers/staging/vc04_services \ -+ -D__VCCOREVER__=0x04000000 ---- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c -+++ /dev/null -@@ -1,1899 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* -- * Broadcom BM2835 V4L2 driver -- * -- * Copyright © 2013 Raspberry Pi (Trading) Ltd. -- * -- * Authors: Vincent Sanders @ Collabora -- * Dave Stevenson @ Broadcom -- * (now dave.stevenson@raspberrypi.org) -- * Simon Mellor @ Broadcom -- * Luke Diamand @ Broadcom -- * -- * V4L2 driver MMAL vchiq interface code -- */ -- --#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -- --#include <linux/errno.h> --#include <linux/kernel.h> --#include <linux/mutex.h> --#include <linux/mm.h> --#include <linux/slab.h> --#include <linux/completion.h> --#include <linux/vmalloc.h> --#include <asm/cacheflush.h> --#include <media/videobuf2-vmalloc.h> -- --#include "mmal-common.h" --#include "mmal-vchiq.h" --#include "mmal-msg.h" -- --#define USE_VCHIQ_ARM --#include "interface/vchi/vchi.h" -- --/* maximum number of components supported */ --#define VCHIQ_MMAL_MAX_COMPONENTS 4 -- --/*#define FULL_MSG_DUMP 1*/ -- --#ifdef DEBUG --static const char *const msg_type_names[] = { -- "UNKNOWN", -- "QUIT", -- "SERVICE_CLOSED", -- "GET_VERSION", -- "COMPONENT_CREATE", -- "COMPONENT_DESTROY", -- "COMPONENT_ENABLE", -- "COMPONENT_DISABLE", -- "PORT_INFO_GET", -- "PORT_INFO_SET", -- "PORT_ACTION", -- "BUFFER_FROM_HOST", -- "BUFFER_TO_HOST", -- "GET_STATS", -- "PORT_PARAMETER_SET", -- "PORT_PARAMETER_GET", -- "EVENT_TO_HOST", -- "GET_CORE_STATS_FOR_PORT", -- "OPAQUE_ALLOCATOR", -- "CONSUME_MEM", -- "LMK", -- "OPAQUE_ALLOCATOR_DESC", -- "DRM_GET_LHS32", -- "DRM_GET_TIME", -- "BUFFER_FROM_HOST_ZEROLEN", -- "PORT_FLUSH", -- "HOST_LOG", --}; --#endif -- --static const char *const port_action_type_names[] = { -- "UNKNOWN", -- "ENABLE", -- "DISABLE", -- "FLUSH", -- "CONNECT", -- "DISCONNECT", -- "SET_REQUIREMENTS", --}; -- --#if defined(DEBUG) --#if defined(FULL_MSG_DUMP) --#define DBG_DUMP_MSG(MSG, MSG_LEN, TITLE) \ -- do { \ -- pr_debug(TITLE" type:%s(%d) length:%d\n", \ -- msg_type_names[(MSG)->h.type], \ -- (MSG)->h.type, (MSG_LEN)); \ -- print_hex_dump(KERN_DEBUG, "<<h: ", DUMP_PREFIX_OFFSET, \ -- 16, 4, (MSG), \ -- sizeof(struct mmal_msg_header), 1); \ -- print_hex_dump(KERN_DEBUG, "<<p: ", DUMP_PREFIX_OFFSET, \ -- 16, 4, \ -- ((u8 *)(MSG)) + sizeof(struct mmal_msg_header),\ -- (MSG_LEN) - sizeof(struct mmal_msg_header), 1); \ -- } while (0) --#else --#define DBG_DUMP_MSG(MSG, MSG_LEN, TITLE) \ -- { \ -- pr_debug(TITLE" type:%s(%d) length:%d\n", \ -- msg_type_names[(MSG)->h.type], \ -- (MSG)->h.type, (MSG_LEN)); \ -- } --#endif --#else --#define DBG_DUMP_MSG(MSG, MSG_LEN, TITLE) --#endif -- --struct vchiq_mmal_instance; -- --/* normal message context */ --struct mmal_msg_context { -- struct vchiq_mmal_instance *instance; -- -- /* Index in the context_map idr so that we can find the -- * mmal_msg_context again when servicing the VCHI reply. -- */ -- int handle; -- -- union { -- struct { -- /* work struct for buffer_cb callback */ -- struct work_struct work; -- /* work struct for deferred callback */ -- struct work_struct buffer_to_host_work; -- /* mmal instance */ -- struct vchiq_mmal_instance *instance; -- /* mmal port */ -- struct vchiq_mmal_port *port; -- /* actual buffer used to store bulk reply */ -- struct mmal_buffer *buffer; -- /* amount of buffer used */ -- unsigned long buffer_used; -- /* MMAL buffer flags */ -- u32 mmal_flags; -- /* Presentation and Decode timestamps */ -- s64 pts; -- s64 dts; -- -- int status; /* context status */ -- -- } bulk; /* bulk data */ -- -- struct { -- /* message handle to release */ -- VCHI_HELD_MSG_T msg_handle; -- /* pointer to received message */ -- struct mmal_msg *msg; -- /* received message length */ -- u32 msg_len; -- /* completion upon reply */ -- struct completion cmplt; -- } sync; /* synchronous response */ -- } u; -- --}; -- --struct vchiq_mmal_instance { -- VCHI_SERVICE_HANDLE_T handle; -- -- /* ensure serialised access to service */ -- struct mutex vchiq_mutex; -- -- /* vmalloc page to receive scratch bulk xfers into */ -- void *bulk_scratch; -- -- struct idr context_map; -- /* protect accesses to context_map */ -- struct mutex context_map_lock; -- -- /* component to use next */ -- int component_idx; -- struct vchiq_mmal_component component[VCHIQ_MMAL_MAX_COMPONENTS]; -- -- /* ordered workqueue to process all bulk operations */ -- struct workqueue_struct *bulk_wq; --}; -- --static struct mmal_msg_context * --get_msg_context(struct vchiq_mmal_instance *instance) --{ -- struct mmal_msg_context *msg_context; -- int handle; -- -- /* todo: should this be allocated from a pool to avoid kzalloc */ -- msg_context = kzalloc(sizeof(*msg_context), GFP_KERNEL); -- -- if (!msg_context) -- return ERR_PTR(-ENOMEM); -- -- /* Create an ID that will be passed along with our message so -- * that when we service the VCHI reply, we can look up what -- * message is being replied to. -- */ -- mutex_lock(&instance->context_map_lock); -- handle = idr_alloc(&instance->context_map, msg_context, -- 0, 0, GFP_KERNEL); -- mutex_unlock(&instance->context_map_lock); -- -- if (handle < 0) { -- kfree(msg_context); -- return ERR_PTR(handle); -- } -- -- msg_context->instance = instance; -- msg_context->handle = handle; -- -- return msg_context; --} -- --static struct mmal_msg_context * --lookup_msg_context(struct vchiq_mmal_instance *instance, int handle) --{ -- return idr_find(&instance->context_map, handle); --} -- --static void --release_msg_context(struct mmal_msg_context *msg_context) --{ -- struct vchiq_mmal_instance *instance = msg_context->instance; -- -- mutex_lock(&instance->context_map_lock); -- idr_remove(&instance->context_map, msg_context->handle); -- mutex_unlock(&instance->context_map_lock); -- kfree(msg_context); --} -- --/* deals with receipt of event to host message */ --static void event_to_host_cb(struct vchiq_mmal_instance *instance, -- struct mmal_msg *msg, u32 msg_len) --{ -- pr_debug("unhandled event\n"); -- pr_debug("component:%u port type:%d num:%d cmd:0x%x length:%d\n", -- msg->u.event_to_host.client_component, -- msg->u.event_to_host.port_type, -- msg->u.event_to_host.port_num, -- msg->u.event_to_host.cmd, msg->u.event_to_host.length); --} -- --/* workqueue scheduled callback -- * -- * we do this because it is important we do not call any other vchiq -- * sync calls from witin the message delivery thread -- */ --static void buffer_work_cb(struct work_struct *work) --{ -- struct mmal_msg_context *msg_context = -- container_of(work, struct mmal_msg_context, u.bulk.work); -- -- atomic_dec(&msg_context->u.bulk.port->buffers_with_vpu); -- -- msg_context->u.bulk.port->buffer_cb(msg_context->u.bulk.instance, -- msg_context->u.bulk.port, -- msg_context->u.bulk.status, -- msg_context->u.bulk.buffer, -- msg_context->u.bulk.buffer_used, -- msg_context->u.bulk.mmal_flags, -- msg_context->u.bulk.dts, -- msg_context->u.bulk.pts); --} -- --/* workqueue scheduled callback to handle receiving buffers -- * -- * VCHI will allow up to 4 bulk receives to be scheduled before blocking. -- * If we block in the service_callback context then we can't process the -- * VCHI_CALLBACK_BULK_RECEIVED message that would otherwise allow the blocked -- * vchi_bulk_queue_receive() call to complete. -- */ --static void buffer_to_host_work_cb(struct work_struct *work) --{ -- struct mmal_msg_context *msg_context = -- container_of(work, struct mmal_msg_context, -- u.bulk.buffer_to_host_work); -- struct vchiq_mmal_instance *instance = msg_context->instance; -- unsigned long len = msg_context->u.bulk.buffer_used; -- int ret; -- -- if (!len) -- /* Dummy receive to ensure the buffers remain in order */ -- len = 8; -- /* queue the bulk submission */ -- vchi_service_use(instance->handle); -- ret = vchi_bulk_queue_receive(instance->handle, -- msg_context->u.bulk.buffer->buffer, -- /* Actual receive needs to be a multiple -- * of 4 bytes -- */ -- (len + 3) & ~3, -- VCHI_FLAGS_CALLBACK_WHEN_OP_COMPLETE | -- VCHI_FLAGS_BLOCK_UNTIL_QUEUED, -- msg_context); -- -- vchi_service_release(instance->handle); -- -- if (ret != 0) -- pr_err("%s: ctx: %p, vchi_bulk_queue_receive failed %d\n", -- __func__, msg_context, ret); --} -- --/* enqueue a bulk receive for a given message context */ --static int bulk_receive(struct vchiq_mmal_instance *instance, -- struct mmal_msg *msg, -- struct mmal_msg_context *msg_context) --{ -- unsigned long rd_len; -- -- rd_len = msg->u.buffer_from_host.buffer_header.length; -- -- if (!msg_context->u.bulk.buffer) { -- pr_err("bulk.buffer not configured - error in buffer_from_host\n"); -- -- /* todo: this is a serious error, we should never have -- * committed a buffer_to_host operation to the mmal -- * port without the buffer to back it up (underflow -- * handling) and there is no obvious way to deal with -- * this - how is the mmal servie going to react when -- * we fail to do the xfer and reschedule a buffer when -- * it arrives? perhaps a starved flag to indicate a -- * waiting bulk receive? -- */ -- -- return -EINVAL; -- } -- -- /* ensure we do not overrun the available buffer */ -- if (rd_len > msg_context->u.bulk.buffer->buffer_size) { -- rd_len = msg_context->u.bulk.buffer->buffer_size; -- pr_warn("short read as not enough receive buffer space\n"); -- /* todo: is this the correct response, what happens to -- * the rest of the message data? -- */ -- } -- -- /* store length */ -- msg_context->u.bulk.buffer_used = rd_len; -- msg_context->u.bulk.dts = msg->u.buffer_from_host.buffer_header.dts; -- msg_context->u.bulk.pts = msg->u.buffer_from_host.buffer_header.pts; -- -- queue_work(msg_context->instance->bulk_wq, -- &msg_context->u.bulk.buffer_to_host_work); -- -- return 0; --} -- --/* data in message, memcpy from packet into output buffer */ --static int inline_receive(struct vchiq_mmal_instance *instance, -- struct mmal_msg *msg, -- struct mmal_msg_context *msg_context) --{ -- memcpy(msg_context->u.bulk.buffer->buffer, -- msg->u.buffer_from_host.short_data, -- msg->u.buffer_from_host.payload_in_message); -- -- msg_context->u.bulk.buffer_used = -- msg->u.buffer_from_host.payload_in_message; -- -- return 0; --} -- --/* queue the buffer availability with MMAL_MSG_TYPE_BUFFER_FROM_HOST */ --static int --buffer_from_host(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, struct mmal_buffer *buf) --{ -- struct mmal_msg_context *msg_context; -- struct mmal_msg m; -- int ret; -- -- if (!port->enabled) -- return -EINVAL; -- -- pr_debug("instance:%p buffer:%p\n", instance->handle, buf); -- -- /* get context */ -- if (!buf->msg_context) { -- pr_err("%s: msg_context not allocated, buf %p\n", __func__, -- buf); -- return -EINVAL; -- } -- msg_context = buf->msg_context; -- -- /* store bulk message context for when data arrives */ -- msg_context->u.bulk.instance = instance; -- msg_context->u.bulk.port = port; -- msg_context->u.bulk.buffer = buf; -- msg_context->u.bulk.buffer_used = 0; -- -- /* initialise work structure ready to schedule callback */ -- INIT_WORK(&msg_context->u.bulk.work, buffer_work_cb); -- INIT_WORK(&msg_context->u.bulk.buffer_to_host_work, -- buffer_to_host_work_cb); -- -- atomic_inc(&port->buffers_with_vpu); -- -- /* prep the buffer from host message */ -- memset(&m, 0xbc, sizeof(m)); /* just to make debug clearer */ -- -- m.h.type = MMAL_MSG_TYPE_BUFFER_FROM_HOST; -- m.h.magic = MMAL_MAGIC; -- m.h.context = msg_context->handle; -- m.h.status = 0; -- -- /* drvbuf is our private data passed back */ -- m.u.buffer_from_host.drvbuf.magic = MMAL_MAGIC; -- m.u.buffer_from_host.drvbuf.component_handle = port->component->handle; -- m.u.buffer_from_host.drvbuf.port_handle = port->handle; -- m.u.buffer_from_host.drvbuf.client_context = msg_context->handle; -- -- /* buffer header */ -- m.u.buffer_from_host.buffer_header.cmd = 0; -- m.u.buffer_from_host.buffer_header.data = -- (u32)(unsigned long)buf->buffer; -- m.u.buffer_from_host.buffer_header.alloc_size = buf->buffer_size; -- m.u.buffer_from_host.buffer_header.length = 0; /* nothing used yet */ -- m.u.buffer_from_host.buffer_header.offset = 0; /* no offset */ -- m.u.buffer_from_host.buffer_header.flags = 0; /* no flags */ -- m.u.buffer_from_host.buffer_header.pts = MMAL_TIME_UNKNOWN; -- m.u.buffer_from_host.buffer_header.dts = MMAL_TIME_UNKNOWN; -- -- /* clear buffer type sepecific data */ -- memset(&m.u.buffer_from_host.buffer_header_type_specific, 0, -- sizeof(m.u.buffer_from_host.buffer_header_type_specific)); -- -- /* no payload in message */ -- m.u.buffer_from_host.payload_in_message = 0; -- -- vchi_service_use(instance->handle); -- -- ret = vchi_queue_kernel_message(instance->handle, -- &m, -- sizeof(struct mmal_msg_header) + -- sizeof(m.u.buffer_from_host)); -- -- vchi_service_release(instance->handle); -- -- return ret; --} -- --/* deals with receipt of buffer to host message */ --static void buffer_to_host_cb(struct vchiq_mmal_instance *instance, -- struct mmal_msg *msg, u32 msg_len) --{ -- struct mmal_msg_context *msg_context; -- u32 handle; -- -- pr_debug("%s: instance:%p msg:%p msg_len:%d\n", -- __func__, instance, msg, msg_len); -- -- if (msg->u.buffer_from_host.drvbuf.magic == MMAL_MAGIC) { -- handle = msg->u.buffer_from_host.drvbuf.client_context; -- msg_context = lookup_msg_context(instance, handle); -- -- if (!msg_context) { -- pr_err("drvbuf.client_context(%u) is invalid\n", -- handle); -- return; -- } -- } else { -- pr_err("MMAL_MSG_TYPE_BUFFER_TO_HOST with bad magic\n"); -- return; -- } -- -- msg_context->u.bulk.mmal_flags = -- msg->u.buffer_from_host.buffer_header.flags; -- -- if (msg->h.status != MMAL_MSG_STATUS_SUCCESS) { -- /* message reception had an error */ -- pr_warn("error %d in reply\n", msg->h.status); -- -- msg_context->u.bulk.status = msg->h.status; -- -- } else if (msg->u.buffer_from_host.buffer_header.length == 0) { -- /* empty buffer */ -- if (msg->u.buffer_from_host.buffer_header.flags & -- MMAL_BUFFER_HEADER_FLAG_EOS) { -- msg_context->u.bulk.status = -- bulk_receive(instance, msg, msg_context); -- if (msg_context->u.bulk.status == 0) -- return; /* successful bulk submission, bulk -- * completion will trigger callback -- */ -- } else { -- /* do callback with empty buffer - not EOS though */ -- msg_context->u.bulk.status = 0; -- msg_context->u.bulk.buffer_used = 0; -- } -- } else if (msg->u.buffer_from_host.payload_in_message == 0) { -- /* data is not in message, queue a bulk receive */ -- msg_context->u.bulk.status = -- bulk_receive(instance, msg, msg_context); -- if (msg_context->u.bulk.status == 0) -- return; /* successful bulk submission, bulk -- * completion will trigger callback -- */ -- -- /* failed to submit buffer, this will end badly */ -- pr_err("error %d on bulk submission\n", -- msg_context->u.bulk.status); -- -- } else if (msg->u.buffer_from_host.payload_in_message <= -- MMAL_VC_SHORT_DATA) { -- /* data payload within message */ -- msg_context->u.bulk.status = inline_receive(instance, msg, -- msg_context); -- } else { -- pr_err("message with invalid short payload\n"); -- -- /* signal error */ -- msg_context->u.bulk.status = -EINVAL; -- msg_context->u.bulk.buffer_used = -- msg->u.buffer_from_host.payload_in_message; -- } -- -- /* schedule the port callback */ -- schedule_work(&msg_context->u.bulk.work); --} -- --static void bulk_receive_cb(struct vchiq_mmal_instance *instance, -- struct mmal_msg_context *msg_context) --{ -- msg_context->u.bulk.status = 0; -- -- /* schedule the port callback */ -- schedule_work(&msg_context->u.bulk.work); --} -- --static void bulk_abort_cb(struct vchiq_mmal_instance *instance, -- struct mmal_msg_context *msg_context) --{ -- pr_err("%s: bulk ABORTED msg_context:%p\n", __func__, msg_context); -- -- msg_context->u.bulk.status = -EINTR; -- -- schedule_work(&msg_context->u.bulk.work); --} -- --/* incoming event service callback */ --static void service_callback(void *param, -- const VCHI_CALLBACK_REASON_T reason, -- void *bulk_ctx) --{ -- struct vchiq_mmal_instance *instance = param; -- int status; -- u32 msg_len; -- struct mmal_msg *msg; -- VCHI_HELD_MSG_T msg_handle; -- struct mmal_msg_context *msg_context; -- -- if (!instance) { -- pr_err("Message callback passed NULL instance\n"); -- return; -- } -- -- switch (reason) { -- case VCHI_CALLBACK_MSG_AVAILABLE: -- status = vchi_msg_hold(instance->handle, (void **)&msg, -- &msg_len, VCHI_FLAGS_NONE, &msg_handle); -- if (status) { -- pr_err("Unable to dequeue a message (%d)\n", status); -- break; -- } -- -- DBG_DUMP_MSG(msg, msg_len, "<<< reply message"); -- -- /* handling is different for buffer messages */ -- switch (msg->h.type) { -- case MMAL_MSG_TYPE_BUFFER_FROM_HOST: -- vchi_held_msg_release(&msg_handle); -- break; -- -- case MMAL_MSG_TYPE_EVENT_TO_HOST: -- event_to_host_cb(instance, msg, msg_len); -- vchi_held_msg_release(&msg_handle); -- -- break; -- -- case MMAL_MSG_TYPE_BUFFER_TO_HOST: -- buffer_to_host_cb(instance, msg, msg_len); -- vchi_held_msg_release(&msg_handle); -- break; -- -- default: -- /* messages dependent on header context to complete */ -- if (!msg->h.context) { -- pr_err("received message context was null!\n"); -- vchi_held_msg_release(&msg_handle); -- break; -- } -- -- msg_context = lookup_msg_context(instance, -- msg->h.context); -- if (!msg_context) { -- pr_err("received invalid message context %u!\n", -- msg->h.context); -- vchi_held_msg_release(&msg_handle); -- break; -- } -- -- /* fill in context values */ -- msg_context->u.sync.msg_handle = msg_handle; -- msg_context->u.sync.msg = msg; -- msg_context->u.sync.msg_len = msg_len; -- -- /* todo: should this check (completion_done() -- * == 1) for no one waiting? or do we need a -- * flag to tell us the completion has been -- * interrupted so we can free the message and -- * its context. This probably also solves the -- * message arriving after interruption todo -- * below -- */ -- -- /* complete message so caller knows it happened */ -- complete(&msg_context->u.sync.cmplt); -- break; -- } -- -- break; -- -- case VCHI_CALLBACK_BULK_RECEIVED: -- bulk_receive_cb(instance, bulk_ctx); -- break; -- -- case VCHI_CALLBACK_BULK_RECEIVE_ABORTED: -- bulk_abort_cb(instance, bulk_ctx); -- break; -- -- case VCHI_CALLBACK_SERVICE_CLOSED: -- /* TODO: consider if this requires action if received when -- * driver is not explicitly closing the service -- */ -- break; -- -- default: -- pr_err("Received unhandled message reason %d\n", reason); -- break; -- } --} -- --static int send_synchronous_mmal_msg(struct vchiq_mmal_instance *instance, -- struct mmal_msg *msg, -- unsigned int payload_len, -- struct mmal_msg **msg_out, -- VCHI_HELD_MSG_T *msg_handle_out) --{ -- struct mmal_msg_context *msg_context; -- int ret; -- unsigned long timeout; -- -- /* payload size must not cause message to exceed max size */ -- if (payload_len > -- (MMAL_MSG_MAX_SIZE - sizeof(struct mmal_msg_header))) { -- pr_err("payload length %d exceeds max:%d\n", payload_len, -- (int)(MMAL_MSG_MAX_SIZE - -- sizeof(struct mmal_msg_header))); -- return -EINVAL; -- } -- -- msg_context = get_msg_context(instance); -- if (IS_ERR(msg_context)) -- return PTR_ERR(msg_context); -- -- init_completion(&msg_context->u.sync.cmplt); -- -- msg->h.magic = MMAL_MAGIC; -- msg->h.context = msg_context->handle; -- msg->h.status = 0; -- -- DBG_DUMP_MSG(msg, (sizeof(struct mmal_msg_header) + payload_len), -- ">>> sync message"); -- -- vchi_service_use(instance->handle); -- -- ret = vchi_queue_kernel_message(instance->handle, -- msg, -- sizeof(struct mmal_msg_header) + -- payload_len); -- -- vchi_service_release(instance->handle); -- -- if (ret) { -- pr_err("error %d queuing message\n", ret); -- release_msg_context(msg_context); -- return ret; -- } -- -- timeout = wait_for_completion_timeout(&msg_context->u.sync.cmplt, -- 3 * HZ); -- if (timeout == 0) { -- pr_err("timed out waiting for sync completion\n"); -- ret = -ETIME; -- /* todo: what happens if the message arrives after aborting */ -- release_msg_context(msg_context); -- return ret; -- } -- -- *msg_out = msg_context->u.sync.msg; -- *msg_handle_out = msg_context->u.sync.msg_handle; -- release_msg_context(msg_context); -- -- return 0; --} -- --static void dump_port_info(struct vchiq_mmal_port *port) --{ -- pr_debug("port handle:0x%x enabled:%d\n", port->handle, port->enabled); -- -- pr_debug("buffer minimum num:%d size:%d align:%d\n", -- port->minimum_buffer.num, -- port->minimum_buffer.size, port->minimum_buffer.alignment); -- -- pr_debug("buffer recommended num:%d size:%d align:%d\n", -- port->recommended_buffer.num, -- port->recommended_buffer.size, -- port->recommended_buffer.alignment); -- -- pr_debug("buffer current values num:%d size:%d align:%d\n", -- port->current_buffer.num, -- port->current_buffer.size, port->current_buffer.alignment); -- -- pr_debug("elementary stream: type:%d encoding:0x%x variant:0x%x\n", -- port->format.type, -- port->format.encoding, port->format.encoding_variant); -- -- pr_debug(" bitrate:%d flags:0x%x\n", -- port->format.bitrate, port->format.flags); -- -- if (port->format.type == MMAL_ES_TYPE_VIDEO) { -- pr_debug -- ("es video format: width:%d height:%d colourspace:0x%x\n", -- port->es.video.width, port->es.video.height, -- port->es.video.color_space); -- -- pr_debug(" : crop xywh %d,%d,%d,%d\n", -- port->es.video.crop.x, -- port->es.video.crop.y, -- port->es.video.crop.width, port->es.video.crop.height); -- pr_debug(" : framerate %d/%d aspect %d/%d\n", -- port->es.video.frame_rate.num, -- port->es.video.frame_rate.den, -- port->es.video.par.num, port->es.video.par.den); -- } --} -- --static void port_to_mmal_msg(struct vchiq_mmal_port *port, struct mmal_port *p) --{ -- /* todo do readonly fields need setting at all? */ -- p->type = port->type; -- p->index = port->index; -- p->index_all = 0; -- p->is_enabled = port->enabled; -- p->buffer_num_min = port->minimum_buffer.num; -- p->buffer_size_min = port->minimum_buffer.size; -- p->buffer_alignment_min = port->minimum_buffer.alignment; -- p->buffer_num_recommended = port->recommended_buffer.num; -- p->buffer_size_recommended = port->recommended_buffer.size; -- -- /* only three writable fields in a port */ -- p->buffer_num = port->current_buffer.num; -- p->buffer_size = port->current_buffer.size; -- p->userdata = (u32)(unsigned long)port; --} -- --static int port_info_set(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port) --{ -- int ret; -- struct mmal_msg m; -- struct mmal_msg *rmsg; -- VCHI_HELD_MSG_T rmsg_handle; -- -- pr_debug("setting port info port %p\n", port); -- if (!port) -- return -1; -- dump_port_info(port); -- -- m.h.type = MMAL_MSG_TYPE_PORT_INFO_SET; -- -- m.u.port_info_set.component_handle = port->component->handle; -- m.u.port_info_set.port_type = port->type; -- m.u.port_info_set.port_index = port->index; -- -- port_to_mmal_msg(port, &m.u.port_info_set.port); -- -- /* elementary stream format setup */ -- m.u.port_info_set.format.type = port->format.type; -- m.u.port_info_set.format.encoding = port->format.encoding; -- m.u.port_info_set.format.encoding_variant = -- port->format.encoding_variant; -- m.u.port_info_set.format.bitrate = port->format.bitrate; -- m.u.port_info_set.format.flags = port->format.flags; -- -- memcpy(&m.u.port_info_set.es, &port->es, -- sizeof(union mmal_es_specific_format)); -- -- m.u.port_info_set.format.extradata_size = port->format.extradata_size; -- memcpy(&m.u.port_info_set.extradata, port->format.extradata, -- port->format.extradata_size); -- -- ret = send_synchronous_mmal_msg(instance, &m, -- sizeof(m.u.port_info_set), -- &rmsg, &rmsg_handle); -- if (ret) -- return ret; -- -- if (rmsg->h.type != MMAL_MSG_TYPE_PORT_INFO_SET) { -- /* got an unexpected message type in reply */ -- ret = -EINVAL; -- goto release_msg; -- } -- -- /* return operation status */ -- ret = -rmsg->u.port_info_get_reply.status; -- -- pr_debug("%s:result:%d component:0x%x port:%d\n", __func__, ret, -- port->component->handle, port->handle); -- --release_msg: -- vchi_held_msg_release(&rmsg_handle); -- -- return ret; --} -- --/* use port info get message to retrieve port information */ --static int port_info_get(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port) --{ -- int ret; -- struct mmal_msg m; -- struct mmal_msg *rmsg; -- VCHI_HELD_MSG_T rmsg_handle; -- -- /* port info time */ -- m.h.type = MMAL_MSG_TYPE_PORT_INFO_GET; -- m.u.port_info_get.component_handle = port->component->handle; -- m.u.port_info_get.port_type = port->type; -- m.u.port_info_get.index = port->index; -- -- ret = send_synchronous_mmal_msg(instance, &m, -- sizeof(m.u.port_info_get), -- &rmsg, &rmsg_handle); -- if (ret) -- return ret; -- -- if (rmsg->h.type != MMAL_MSG_TYPE_PORT_INFO_GET) { -- /* got an unexpected message type in reply */ -- ret = -EINVAL; -- goto release_msg; -- } -- -- /* return operation status */ -- ret = -rmsg->u.port_info_get_reply.status; -- if (ret != MMAL_MSG_STATUS_SUCCESS) -- goto release_msg; -- -- if (rmsg->u.port_info_get_reply.port.is_enabled == 0) -- port->enabled = false; -- else -- port->enabled = true; -- -- /* copy the values out of the message */ -- port->handle = rmsg->u.port_info_get_reply.port_handle; -- -- /* port type and index cached to use on port info set because -- * it does not use a port handle -- */ -- port->type = rmsg->u.port_info_get_reply.port_type; -- port->index = rmsg->u.port_info_get_reply.port_index; -- -- port->minimum_buffer.num = -- rmsg->u.port_info_get_reply.port.buffer_num_min; -- port->minimum_buffer.size = -- rmsg->u.port_info_get_reply.port.buffer_size_min; -- port->minimum_buffer.alignment = -- rmsg->u.port_info_get_reply.port.buffer_alignment_min; -- -- port->recommended_buffer.alignment = -- rmsg->u.port_info_get_reply.port.buffer_alignment_min; -- port->recommended_buffer.num = -- rmsg->u.port_info_get_reply.port.buffer_num_recommended; -- -- port->current_buffer.num = rmsg->u.port_info_get_reply.port.buffer_num; -- port->current_buffer.size = -- rmsg->u.port_info_get_reply.port.buffer_size; -- -- /* stream format */ -- port->format.type = rmsg->u.port_info_get_reply.format.type; -- port->format.encoding = rmsg->u.port_info_get_reply.format.encoding; -- port->format.encoding_variant = -- rmsg->u.port_info_get_reply.format.encoding_variant; -- port->format.bitrate = rmsg->u.port_info_get_reply.format.bitrate; -- port->format.flags = rmsg->u.port_info_get_reply.format.flags; -- -- /* elementary stream format */ -- memcpy(&port->es, -- &rmsg->u.port_info_get_reply.es, -- sizeof(union mmal_es_specific_format)); -- port->format.es = &port->es; -- -- port->format.extradata_size = -- rmsg->u.port_info_get_reply.format.extradata_size; -- memcpy(port->format.extradata, -- rmsg->u.port_info_get_reply.extradata, -- port->format.extradata_size); -- -- pr_debug("received port info\n"); -- dump_port_info(port); -- --release_msg: -- -- pr_debug("%s:result:%d component:0x%x port:%d\n", -- __func__, ret, port->component->handle, port->handle); -- -- vchi_held_msg_release(&rmsg_handle); -- -- return ret; --} -- --/* create comonent on vc */ --static int create_component(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_component *component, -- const char *name) --{ -- int ret; -- struct mmal_msg m; -- struct mmal_msg *rmsg; -- VCHI_HELD_MSG_T rmsg_handle; -- -- /* build component create message */ -- m.h.type = MMAL_MSG_TYPE_COMPONENT_CREATE; -- m.u.component_create.client_component = (u32)(unsigned long)component; -- strncpy(m.u.component_create.name, name, -- sizeof(m.u.component_create.name)); -- -- ret = send_synchronous_mmal_msg(instance, &m, -- sizeof(m.u.component_create), -- &rmsg, &rmsg_handle); -- if (ret) -- return ret; -- -- if (rmsg->h.type != m.h.type) { -- /* got an unexpected message type in reply */ -- ret = -EINVAL; -- goto release_msg; -- } -- -- ret = -rmsg->u.component_create_reply.status; -- if (ret != MMAL_MSG_STATUS_SUCCESS) -- goto release_msg; -- -- /* a valid component response received */ -- component->handle = rmsg->u.component_create_reply.component_handle; -- component->inputs = rmsg->u.component_create_reply.input_num; -- component->outputs = rmsg->u.component_create_reply.output_num; -- component->clocks = rmsg->u.component_create_reply.clock_num; -- -- pr_debug("Component handle:0x%x in:%d out:%d clock:%d\n", -- component->handle, -- component->inputs, component->outputs, component->clocks); -- --release_msg: -- vchi_held_msg_release(&rmsg_handle); -- -- return ret; --} -- --/* destroys a component on vc */ --static int destroy_component(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_component *component) --{ -- int ret; -- struct mmal_msg m; -- struct mmal_msg *rmsg; -- VCHI_HELD_MSG_T rmsg_handle; -- -- m.h.type = MMAL_MSG_TYPE_COMPONENT_DESTROY; -- m.u.component_destroy.component_handle = component->handle; -- -- ret = send_synchronous_mmal_msg(instance, &m, -- sizeof(m.u.component_destroy), -- &rmsg, &rmsg_handle); -- if (ret) -- return ret; -- -- if (rmsg->h.type != m.h.type) { -- /* got an unexpected message type in reply */ -- ret = -EINVAL; -- goto release_msg; -- } -- -- ret = -rmsg->u.component_destroy_reply.status; -- --release_msg: -- -- vchi_held_msg_release(&rmsg_handle); -- -- return ret; --} -- --/* enable a component on vc */ --static int enable_component(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_component *component) --{ -- int ret; -- struct mmal_msg m; -- struct mmal_msg *rmsg; -- VCHI_HELD_MSG_T rmsg_handle; -- -- m.h.type = MMAL_MSG_TYPE_COMPONENT_ENABLE; -- m.u.component_enable.component_handle = component->handle; -- -- ret = send_synchronous_mmal_msg(instance, &m, -- sizeof(m.u.component_enable), -- &rmsg, &rmsg_handle); -- if (ret) -- return ret; -- -- if (rmsg->h.type != m.h.type) { -- /* got an unexpected message type in reply */ -- ret = -EINVAL; -- goto release_msg; -- } -- -- ret = -rmsg->u.component_enable_reply.status; -- --release_msg: -- vchi_held_msg_release(&rmsg_handle); -- -- return ret; --} -- --/* disable a component on vc */ --static int disable_component(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_component *component) --{ -- int ret; -- struct mmal_msg m; -- struct mmal_msg *rmsg; -- VCHI_HELD_MSG_T rmsg_handle; -- -- m.h.type = MMAL_MSG_TYPE_COMPONENT_DISABLE; -- m.u.component_disable.component_handle = component->handle; -- -- ret = send_synchronous_mmal_msg(instance, &m, -- sizeof(m.u.component_disable), -- &rmsg, &rmsg_handle); -- if (ret) -- return ret; -- -- if (rmsg->h.type != m.h.type) { -- /* got an unexpected message type in reply */ -- ret = -EINVAL; -- goto release_msg; -- } -- -- ret = -rmsg->u.component_disable_reply.status; -- --release_msg: -- -- vchi_held_msg_release(&rmsg_handle); -- -- return ret; --} -- --/* get version of mmal implementation */ --static int get_version(struct vchiq_mmal_instance *instance, -- u32 *major_out, u32 *minor_out) --{ -- int ret; -- struct mmal_msg m; -- struct mmal_msg *rmsg; -- VCHI_HELD_MSG_T rmsg_handle; -- -- m.h.type = MMAL_MSG_TYPE_GET_VERSION; -- -- ret = send_synchronous_mmal_msg(instance, &m, -- sizeof(m.u.version), -- &rmsg, &rmsg_handle); -- if (ret) -- return ret; -- -- if (rmsg->h.type != m.h.type) { -- /* got an unexpected message type in reply */ -- ret = -EINVAL; -- goto release_msg; -- } -- -- *major_out = rmsg->u.version.major; -- *minor_out = rmsg->u.version.minor; -- --release_msg: -- vchi_held_msg_release(&rmsg_handle); -- -- return ret; --} -- --/* do a port action with a port as a parameter */ --static int port_action_port(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- enum mmal_msg_port_action_type action_type) --{ -- int ret; -- struct mmal_msg m; -- struct mmal_msg *rmsg; -- VCHI_HELD_MSG_T rmsg_handle; -- -- m.h.type = MMAL_MSG_TYPE_PORT_ACTION; -- m.u.port_action_port.component_handle = port->component->handle; -- m.u.port_action_port.port_handle = port->handle; -- m.u.port_action_port.action = action_type; -- -- port_to_mmal_msg(port, &m.u.port_action_port.port); -- -- ret = send_synchronous_mmal_msg(instance, &m, -- sizeof(m.u.port_action_port), -- &rmsg, &rmsg_handle); -- if (ret) -- return ret; -- -- if (rmsg->h.type != MMAL_MSG_TYPE_PORT_ACTION) { -- /* got an unexpected message type in reply */ -- ret = -EINVAL; -- goto release_msg; -- } -- -- ret = -rmsg->u.port_action_reply.status; -- -- pr_debug("%s:result:%d component:0x%x port:%d action:%s(%d)\n", -- __func__, -- ret, port->component->handle, port->handle, -- port_action_type_names[action_type], action_type); -- --release_msg: -- vchi_held_msg_release(&rmsg_handle); -- -- return ret; --} -- --/* do a port action with handles as parameters */ --static int port_action_handle(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- enum mmal_msg_port_action_type action_type, -- u32 connect_component_handle, -- u32 connect_port_handle) --{ -- int ret; -- struct mmal_msg m; -- struct mmal_msg *rmsg; -- VCHI_HELD_MSG_T rmsg_handle; -- -- m.h.type = MMAL_MSG_TYPE_PORT_ACTION; -- -- m.u.port_action_handle.component_handle = port->component->handle; -- m.u.port_action_handle.port_handle = port->handle; -- m.u.port_action_handle.action = action_type; -- -- m.u.port_action_handle.connect_component_handle = -- connect_component_handle; -- m.u.port_action_handle.connect_port_handle = connect_port_handle; -- -- ret = send_synchronous_mmal_msg(instance, &m, -- sizeof(m.u.port_action_handle), -- &rmsg, &rmsg_handle); -- if (ret) -- return ret; -- -- if (rmsg->h.type != MMAL_MSG_TYPE_PORT_ACTION) { -- /* got an unexpected message type in reply */ -- ret = -EINVAL; -- goto release_msg; -- } -- -- ret = -rmsg->u.port_action_reply.status; -- -- pr_debug("%s:result:%d component:0x%x port:%d action:%s(%d) connect component:0x%x connect port:%d\n", -- __func__, -- ret, port->component->handle, port->handle, -- port_action_type_names[action_type], -- action_type, connect_component_handle, connect_port_handle); -- --release_msg: -- vchi_held_msg_release(&rmsg_handle); -- -- return ret; --} -- --static int port_parameter_set(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- u32 parameter_id, void *value, u32 value_size) --{ -- int ret; -- struct mmal_msg m; -- struct mmal_msg *rmsg; -- VCHI_HELD_MSG_T rmsg_handle; -- -- m.h.type = MMAL_MSG_TYPE_PORT_PARAMETER_SET; -- -- m.u.port_parameter_set.component_handle = port->component->handle; -- m.u.port_parameter_set.port_handle = port->handle; -- m.u.port_parameter_set.id = parameter_id; -- m.u.port_parameter_set.size = (2 * sizeof(u32)) + value_size; -- memcpy(&m.u.port_parameter_set.value, value, value_size); -- -- ret = send_synchronous_mmal_msg(instance, &m, -- (4 * sizeof(u32)) + value_size, -- &rmsg, &rmsg_handle); -- if (ret) -- return ret; -- -- if (rmsg->h.type != MMAL_MSG_TYPE_PORT_PARAMETER_SET) { -- /* got an unexpected message type in reply */ -- ret = -EINVAL; -- goto release_msg; -- } -- -- ret = -rmsg->u.port_parameter_set_reply.status; -- -- pr_debug("%s:result:%d component:0x%x port:%d parameter:%d\n", -- __func__, -- ret, port->component->handle, port->handle, parameter_id); -- --release_msg: -- vchi_held_msg_release(&rmsg_handle); -- -- return ret; --} -- --static int port_parameter_get(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- u32 parameter_id, void *value, u32 *value_size) --{ -- int ret; -- struct mmal_msg m; -- struct mmal_msg *rmsg; -- VCHI_HELD_MSG_T rmsg_handle; -- -- m.h.type = MMAL_MSG_TYPE_PORT_PARAMETER_GET; -- -- m.u.port_parameter_get.component_handle = port->component->handle; -- m.u.port_parameter_get.port_handle = port->handle; -- m.u.port_parameter_get.id = parameter_id; -- m.u.port_parameter_get.size = (2 * sizeof(u32)) + *value_size; -- -- ret = send_synchronous_mmal_msg(instance, &m, -- sizeof(struct -- mmal_msg_port_parameter_get), -- &rmsg, &rmsg_handle); -- if (ret) -- return ret; -- -- if (rmsg->h.type != MMAL_MSG_TYPE_PORT_PARAMETER_GET) { -- /* got an unexpected message type in reply */ -- pr_err("Incorrect reply type %d\n", rmsg->h.type); -- ret = -EINVAL; -- goto release_msg; -- } -- -- ret = -rmsg->u.port_parameter_get_reply.status; -- /* port_parameter_get_reply.size includes the header, -- * whilst *value_size doesn't. -- */ -- rmsg->u.port_parameter_get_reply.size -= (2 * sizeof(u32)); -- -- if (ret || rmsg->u.port_parameter_get_reply.size > *value_size) { -- /* Copy only as much as we have space for -- * but report true size of parameter -- */ -- memcpy(value, &rmsg->u.port_parameter_get_reply.value, -- *value_size); -- *value_size = rmsg->u.port_parameter_get_reply.size; -- } else { -- memcpy(value, &rmsg->u.port_parameter_get_reply.value, -- rmsg->u.port_parameter_get_reply.size); -- } -- -- pr_debug("%s:result:%d component:0x%x port:%d parameter:%d\n", __func__, -- ret, port->component->handle, port->handle, parameter_id); -- --release_msg: -- vchi_held_msg_release(&rmsg_handle); -- -- return ret; --} -- --/* disables a port and drains buffers from it */ --static int port_disable(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port) --{ -- int ret; -- struct list_head *q, *buf_head; -- unsigned long flags = 0; -- -- if (!port->enabled) -- return 0; -- -- port->enabled = false; -- -- ret = port_action_port(instance, port, -- MMAL_MSG_PORT_ACTION_TYPE_DISABLE); -- if (ret == 0) { -- /* -- * Drain all queued buffers on port. This should only -- * apply to buffers that have been queued before the port -- * has been enabled. If the port has been enabled and buffers -- * passed, then the buffers should have been removed from this -- * list, and we should get the relevant callbacks via VCHIQ -- * to release the buffers. -- */ -- spin_lock_irqsave(&port->slock, flags); -- -- list_for_each_safe(buf_head, q, &port->buffers) { -- struct mmal_buffer *mmalbuf; -- -- mmalbuf = list_entry(buf_head, struct mmal_buffer, -- list); -- list_del(buf_head); -- if (port->buffer_cb) -- port->buffer_cb(instance, -- port, 0, mmalbuf, 0, 0, -- MMAL_TIME_UNKNOWN, -- MMAL_TIME_UNKNOWN); -- } -- -- spin_unlock_irqrestore(&port->slock, flags); -- -- ret = port_info_get(instance, port); -- } -- -- return ret; --} -- --/* enable a port */ --static int port_enable(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port) --{ -- unsigned int hdr_count; -- struct list_head *q, *buf_head; -- int ret; -- -- if (port->enabled) -- return 0; -- -- ret = port_action_port(instance, port, -- MMAL_MSG_PORT_ACTION_TYPE_ENABLE); -- if (ret) -- goto done; -- -- port->enabled = true; -- -- if (port->buffer_cb) { -- /* send buffer headers to videocore */ -- hdr_count = 1; -- list_for_each_safe(buf_head, q, &port->buffers) { -- struct mmal_buffer *mmalbuf; -- -- mmalbuf = list_entry(buf_head, struct mmal_buffer, -- list); -- ret = buffer_from_host(instance, port, mmalbuf); -- if (ret) -- goto done; -- -- list_del(buf_head); -- hdr_count++; -- if (hdr_count > port->current_buffer.num) -- break; -- } -- } -- -- ret = port_info_get(instance, port); -- --done: -- return ret; --} -- --/* ------------------------------------------------------------------ -- * Exported API -- *------------------------------------------------------------------ -- */ -- --int vchiq_mmal_port_set_format(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port) --{ -- int ret; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- ret = port_info_set(instance, port); -- if (ret) -- goto release_unlock; -- -- /* read what has actually been set */ -- ret = port_info_get(instance, port); -- --release_unlock: -- mutex_unlock(&instance->vchiq_mutex); -- -- return ret; --} -- --int vchiq_mmal_port_parameter_set(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- u32 parameter, void *value, u32 value_size) --{ -- int ret; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- ret = port_parameter_set(instance, port, parameter, value, value_size); -- -- mutex_unlock(&instance->vchiq_mutex); -- -- return ret; --} -- --int vchiq_mmal_port_parameter_get(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- u32 parameter, void *value, u32 *value_size) --{ -- int ret; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- ret = port_parameter_get(instance, port, parameter, value, value_size); -- -- mutex_unlock(&instance->vchiq_mutex); -- -- return ret; --} -- --/* enable a port -- * -- * enables a port and queues buffers for satisfying callbacks if we -- * provide a callback handler -- */ --int vchiq_mmal_port_enable(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- vchiq_mmal_buffer_cb buffer_cb) --{ -- int ret; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- /* already enabled - noop */ -- if (port->enabled) { -- ret = 0; -- goto unlock; -- } -- -- port->buffer_cb = buffer_cb; -- -- ret = port_enable(instance, port); -- --unlock: -- mutex_unlock(&instance->vchiq_mutex); -- -- return ret; --} -- --int vchiq_mmal_port_disable(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port) --{ -- int ret; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- if (!port->enabled) { -- mutex_unlock(&instance->vchiq_mutex); -- return 0; -- } -- -- ret = port_disable(instance, port); -- -- mutex_unlock(&instance->vchiq_mutex); -- -- return ret; --} -- --/* ports will be connected in a tunneled manner so data buffers -- * are not handled by client. -- */ --int vchiq_mmal_port_connect_tunnel(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *src, -- struct vchiq_mmal_port *dst) --{ -- int ret; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- /* disconnect ports if connected */ -- if (src->connected) { -- ret = port_disable(instance, src); -- if (ret) { -- pr_err("failed disabling src port(%d)\n", ret); -- goto release_unlock; -- } -- -- /* do not need to disable the destination port as they -- * are connected and it is done automatically -- */ -- -- ret = port_action_handle(instance, src, -- MMAL_MSG_PORT_ACTION_TYPE_DISCONNECT, -- src->connected->component->handle, -- src->connected->handle); -- if (ret < 0) { -- pr_err("failed disconnecting src port\n"); -- goto release_unlock; -- } -- src->connected->enabled = false; -- src->connected = NULL; -- } -- -- if (!dst) { -- /* do not make new connection */ -- ret = 0; -- pr_debug("not making new connection\n"); -- goto release_unlock; -- } -- -- /* copy src port format to dst */ -- dst->format.encoding = src->format.encoding; -- dst->es.video.width = src->es.video.width; -- dst->es.video.height = src->es.video.height; -- dst->es.video.crop.x = src->es.video.crop.x; -- dst->es.video.crop.y = src->es.video.crop.y; -- dst->es.video.crop.width = src->es.video.crop.width; -- dst->es.video.crop.height = src->es.video.crop.height; -- dst->es.video.frame_rate.num = src->es.video.frame_rate.num; -- dst->es.video.frame_rate.den = src->es.video.frame_rate.den; -- -- /* set new format */ -- ret = port_info_set(instance, dst); -- if (ret) { -- pr_debug("setting port info failed\n"); -- goto release_unlock; -- } -- -- /* read what has actually been set */ -- ret = port_info_get(instance, dst); -- if (ret) { -- pr_debug("read back port info failed\n"); -- goto release_unlock; -- } -- -- /* connect two ports together */ -- ret = port_action_handle(instance, src, -- MMAL_MSG_PORT_ACTION_TYPE_CONNECT, -- dst->component->handle, dst->handle); -- if (ret < 0) { -- pr_debug("connecting port %d:%d to %d:%d failed\n", -- src->component->handle, src->handle, -- dst->component->handle, dst->handle); -- goto release_unlock; -- } -- src->connected = dst; -- --release_unlock: -- -- mutex_unlock(&instance->vchiq_mutex); -- -- return ret; --} -- --int vchiq_mmal_submit_buffer(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- struct mmal_buffer *buffer) --{ -- unsigned long flags = 0; -- int ret; -- -- ret = buffer_from_host(instance, port, buffer); -- if (ret == -EINVAL) { -- /* Port is disabled. Queue for when it is enabled. */ -- spin_lock_irqsave(&port->slock, flags); -- list_add_tail(&buffer->list, &port->buffers); -- spin_unlock_irqrestore(&port->slock, flags); -- } -- -- return 0; --} -- --int mmal_vchi_buffer_init(struct vchiq_mmal_instance *instance, -- struct mmal_buffer *buf) --{ -- struct mmal_msg_context *msg_context = get_msg_context(instance); -- -- if (IS_ERR(msg_context)) -- return (PTR_ERR(msg_context)); -- -- buf->msg_context = msg_context; -- return 0; --} -- --int mmal_vchi_buffer_cleanup(struct mmal_buffer *buf) --{ -- struct mmal_msg_context *msg_context = buf->msg_context; -- -- if (msg_context) -- release_msg_context(msg_context); -- buf->msg_context = NULL; -- -- return 0; --} -- --/* Initialise a mmal component and its ports -- * -- */ --int vchiq_mmal_component_init(struct vchiq_mmal_instance *instance, -- const char *name, -- struct vchiq_mmal_component **component_out) --{ -- int ret; -- int idx; /* port index */ -- struct vchiq_mmal_component *component; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- if (instance->component_idx == VCHIQ_MMAL_MAX_COMPONENTS) { -- ret = -EINVAL; /* todo is this correct error? */ -- goto unlock; -- } -- -- component = &instance->component[instance->component_idx]; -- -- ret = create_component(instance, component, name); -- if (ret < 0) { -- pr_err("%s: failed to create component %d (Not enough GPU mem?)\n", -- __func__, ret); -- goto unlock; -- } -- -- /* ports info needs gathering */ -- component->control.type = MMAL_PORT_TYPE_CONTROL; -- component->control.index = 0; -- component->control.component = component; -- spin_lock_init(&component->control.slock); -- INIT_LIST_HEAD(&component->control.buffers); -- ret = port_info_get(instance, &component->control); -- if (ret < 0) -- goto release_component; -- -- for (idx = 0; idx < component->inputs; idx++) { -- component->input[idx].type = MMAL_PORT_TYPE_INPUT; -- component->input[idx].index = idx; -- component->input[idx].component = component; -- spin_lock_init(&component->input[idx].slock); -- INIT_LIST_HEAD(&component->input[idx].buffers); -- ret = port_info_get(instance, &component->input[idx]); -- if (ret < 0) -- goto release_component; -- } -- -- for (idx = 0; idx < component->outputs; idx++) { -- component->output[idx].type = MMAL_PORT_TYPE_OUTPUT; -- component->output[idx].index = idx; -- component->output[idx].component = component; -- spin_lock_init(&component->output[idx].slock); -- INIT_LIST_HEAD(&component->output[idx].buffers); -- ret = port_info_get(instance, &component->output[idx]); -- if (ret < 0) -- goto release_component; -- } -- -- for (idx = 0; idx < component->clocks; idx++) { -- component->clock[idx].type = MMAL_PORT_TYPE_CLOCK; -- component->clock[idx].index = idx; -- component->clock[idx].component = component; -- spin_lock_init(&component->clock[idx].slock); -- INIT_LIST_HEAD(&component->clock[idx].buffers); -- ret = port_info_get(instance, &component->clock[idx]); -- if (ret < 0) -- goto release_component; -- } -- -- instance->component_idx++; -- -- *component_out = component; -- -- mutex_unlock(&instance->vchiq_mutex); -- -- return 0; -- --release_component: -- destroy_component(instance, component); --unlock: -- mutex_unlock(&instance->vchiq_mutex); -- -- return ret; --} -- --/* -- * cause a mmal component to be destroyed -- */ --int vchiq_mmal_component_finalise(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_component *component) --{ -- int ret; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- if (component->enabled) -- ret = disable_component(instance, component); -- -- ret = destroy_component(instance, component); -- -- mutex_unlock(&instance->vchiq_mutex); -- -- return ret; --} -- --/* -- * cause a mmal component to be enabled -- */ --int vchiq_mmal_component_enable(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_component *component) --{ -- int ret; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- if (component->enabled) { -- mutex_unlock(&instance->vchiq_mutex); -- return 0; -- } -- -- ret = enable_component(instance, component); -- if (ret == 0) -- component->enabled = true; -- -- mutex_unlock(&instance->vchiq_mutex); -- -- return ret; --} -- --/* -- * cause a mmal component to be enabled -- */ --int vchiq_mmal_component_disable(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_component *component) --{ -- int ret; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- if (!component->enabled) { -- mutex_unlock(&instance->vchiq_mutex); -- return 0; -- } -- -- ret = disable_component(instance, component); -- if (ret == 0) -- component->enabled = false; -- -- mutex_unlock(&instance->vchiq_mutex); -- -- return ret; --} -- --int vchiq_mmal_version(struct vchiq_mmal_instance *instance, -- u32 *major_out, u32 *minor_out) --{ -- int ret; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- ret = get_version(instance, major_out, minor_out); -- -- mutex_unlock(&instance->vchiq_mutex); -- -- return ret; --} -- --int vchiq_mmal_finalise(struct vchiq_mmal_instance *instance) --{ -- int status = 0; -- -- if (!instance) -- return -EINVAL; -- -- if (mutex_lock_interruptible(&instance->vchiq_mutex)) -- return -EINTR; -- -- vchi_service_use(instance->handle); -- -- status = vchi_service_close(instance->handle); -- if (status != 0) -- pr_err("mmal-vchiq: VCHIQ close failed\n"); -- -- mutex_unlock(&instance->vchiq_mutex); -- -- flush_workqueue(instance->bulk_wq); -- destroy_workqueue(instance->bulk_wq); -- -- vfree(instance->bulk_scratch); -- -- idr_destroy(&instance->context_map); -- -- kfree(instance); -- -- return status; --} -- --int vchiq_mmal_init(struct vchiq_mmal_instance **out_instance) --{ -- int status; -- struct vchiq_mmal_instance *instance; -- static VCHI_CONNECTION_T *vchi_connection; -- static VCHI_INSTANCE_T vchi_instance; -- SERVICE_CREATION_T params = { -- .version = VCHI_VERSION_EX(VC_MMAL_VER, VC_MMAL_MIN_VER), -- .service_id = VC_MMAL_SERVER_NAME, -- .connection = vchi_connection, -- .rx_fifo_size = 0, -- .tx_fifo_size = 0, -- .callback = service_callback, -- .callback_param = NULL, -- .want_unaligned_bulk_rx = 1, -- .want_unaligned_bulk_tx = 1, -- .want_crc = 0 -- }; -- -- /* compile time checks to ensure structure size as they are -- * directly (de)serialised from memory. -- */ -- -- /* ensure the header structure has packed to the correct size */ -- BUILD_BUG_ON(sizeof(struct mmal_msg_header) != 24); -- -- /* ensure message structure does not exceed maximum length */ -- BUILD_BUG_ON(sizeof(struct mmal_msg) > MMAL_MSG_MAX_SIZE); -- -- /* mmal port struct is correct size */ -- BUILD_BUG_ON(sizeof(struct mmal_port) != 64); -- -- /* create a vchi instance */ -- status = vchi_initialise(&vchi_instance); -- if (status) { -- pr_err("Failed to initialise VCHI instance (status=%d)\n", -- status); -- return -EIO; -- } -- -- status = vchi_connect(NULL, 0, vchi_instance); -- if (status) { -- pr_err("Failed to connect VCHI instance (status=%d)\n", status); -- return -EIO; -- } -- -- instance = kzalloc(sizeof(*instance), GFP_KERNEL); -- -- if (!instance) -- return -ENOMEM; -- -- mutex_init(&instance->vchiq_mutex); -- -- instance->bulk_scratch = vmalloc(PAGE_SIZE); -- -- mutex_init(&instance->context_map_lock); -- idr_init_base(&instance->context_map, 1); -- -- params.callback_param = instance; -- -- instance->bulk_wq = alloc_ordered_workqueue("mmal-vchiq", -- WQ_MEM_RECLAIM); -- if (!instance->bulk_wq) -- goto err_free; -- -- status = vchi_service_open(vchi_instance, ¶ms, &instance->handle); -- if (status) { -- pr_err("Failed to open VCHI service connection (status=%d)\n", -- status); -- goto err_close_services; -- } -- -- vchi_service_release(instance->handle); -- -- *out_instance = instance; -- -- return 0; -- --err_close_services: -- vchi_service_close(instance->handle); -- destroy_workqueue(instance->bulk_wq); --err_free: -- vfree(instance->bulk_scratch); -- kfree(instance); -- return -ENODEV; --} ---- /dev/null -+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c -@@ -0,0 +1,1921 @@ -+// SPDX-License-Identifier: GPL-2.0 -+/* -+ * Broadcom BM2835 V4L2 driver -+ * -+ * Copyright © 2013 Raspberry Pi (Trading) Ltd. -+ * -+ * Authors: Vincent Sanders @ Collabora -+ * Dave Stevenson @ Broadcom -+ * (now dave.stevenson@raspberrypi.org) -+ * Simon Mellor @ Broadcom -+ * Luke Diamand @ Broadcom -+ * -+ * V4L2 driver MMAL vchiq interface code -+ */ -+ -+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -+ -+#include <linux/errno.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/mutex.h> -+#include <linux/mm.h> -+#include <linux/slab.h> -+#include <linux/completion.h> -+#include <linux/vmalloc.h> -+#include <asm/cacheflush.h> -+#include <media/videobuf2-vmalloc.h> -+ -+#include "mmal-common.h" -+#include "mmal-vchiq.h" -+#include "mmal-msg.h" -+ -+#define USE_VCHIQ_ARM -+#include "interface/vchi/vchi.h" -+ -+MODULE_DESCRIPTION("BCM2835 MMAL VCHIQ interface"); -+MODULE_AUTHOR("Dave Stevenson, <dave.stevenson@raspberrypi.org>"); -+MODULE_LICENSE("GPL"); -+MODULE_VERSION("0.0.1"); -+ -+/* maximum number of components supported */ -+#define VCHIQ_MMAL_MAX_COMPONENTS 4 -+ -+/*#define FULL_MSG_DUMP 1*/ -+ -+#ifdef DEBUG -+static const char *const msg_type_names[] = { -+ "UNKNOWN", -+ "QUIT", -+ "SERVICE_CLOSED", -+ "GET_VERSION", -+ "COMPONENT_CREATE", -+ "COMPONENT_DESTROY", -+ "COMPONENT_ENABLE", -+ "COMPONENT_DISABLE", -+ "PORT_INFO_GET", -+ "PORT_INFO_SET", -+ "PORT_ACTION", -+ "BUFFER_FROM_HOST", -+ "BUFFER_TO_HOST", -+ "GET_STATS", -+ "PORT_PARAMETER_SET", -+ "PORT_PARAMETER_GET", -+ "EVENT_TO_HOST", -+ "GET_CORE_STATS_FOR_PORT", -+ "OPAQUE_ALLOCATOR", -+ "CONSUME_MEM", -+ "LMK", -+ "OPAQUE_ALLOCATOR_DESC", -+ "DRM_GET_LHS32", -+ "DRM_GET_TIME", -+ "BUFFER_FROM_HOST_ZEROLEN", -+ "PORT_FLUSH", -+ "HOST_LOG", -+}; -+#endif -+ -+static const char *const port_action_type_names[] = { -+ "UNKNOWN", -+ "ENABLE", -+ "DISABLE", -+ "FLUSH", -+ "CONNECT", -+ "DISCONNECT", -+ "SET_REQUIREMENTS", -+}; -+ -+#if defined(DEBUG) -+#if defined(FULL_MSG_DUMP) -+#define DBG_DUMP_MSG(MSG, MSG_LEN, TITLE) \ -+ do { \ -+ pr_debug(TITLE" type:%s(%d) length:%d\n", \ -+ msg_type_names[(MSG)->h.type], \ -+ (MSG)->h.type, (MSG_LEN)); \ -+ print_hex_dump(KERN_DEBUG, "<<h: ", DUMP_PREFIX_OFFSET, \ -+ 16, 4, (MSG), \ -+ sizeof(struct mmal_msg_header), 1); \ -+ print_hex_dump(KERN_DEBUG, "<<p: ", DUMP_PREFIX_OFFSET, \ -+ 16, 4, \ -+ ((u8 *)(MSG)) + sizeof(struct mmal_msg_header),\ -+ (MSG_LEN) - sizeof(struct mmal_msg_header), 1); \ -+ } while (0) -+#else -+#define DBG_DUMP_MSG(MSG, MSG_LEN, TITLE) \ -+ { \ -+ pr_debug(TITLE" type:%s(%d) length:%d\n", \ -+ msg_type_names[(MSG)->h.type], \ -+ (MSG)->h.type, (MSG_LEN)); \ -+ } -+#endif -+#else -+#define DBG_DUMP_MSG(MSG, MSG_LEN, TITLE) -+#endif -+ -+struct vchiq_mmal_instance; -+ -+/* normal message context */ -+struct mmal_msg_context { -+ struct vchiq_mmal_instance *instance; -+ -+ /* Index in the context_map idr so that we can find the -+ * mmal_msg_context again when servicing the VCHI reply. -+ */ -+ int handle; -+ -+ union { -+ struct { -+ /* work struct for buffer_cb callback */ -+ struct work_struct work; -+ /* work struct for deferred callback */ -+ struct work_struct buffer_to_host_work; -+ /* mmal instance */ -+ struct vchiq_mmal_instance *instance; -+ /* mmal port */ -+ struct vchiq_mmal_port *port; -+ /* actual buffer used to store bulk reply */ -+ struct mmal_buffer *buffer; -+ /* amount of buffer used */ -+ unsigned long buffer_used; -+ /* MMAL buffer flags */ -+ u32 mmal_flags; -+ /* Presentation and Decode timestamps */ -+ s64 pts; -+ s64 dts; -+ -+ int status; /* context status */ -+ -+ } bulk; /* bulk data */ -+ -+ struct { -+ /* message handle to release */ -+ VCHI_HELD_MSG_T msg_handle; -+ /* pointer to received message */ -+ struct mmal_msg *msg; -+ /* received message length */ -+ u32 msg_len; -+ /* completion upon reply */ -+ struct completion cmplt; -+ } sync; /* synchronous response */ -+ } u; -+ -+}; -+ -+struct vchiq_mmal_instance { -+ VCHI_SERVICE_HANDLE_T handle; -+ -+ /* ensure serialised access to service */ -+ struct mutex vchiq_mutex; -+ -+ /* vmalloc page to receive scratch bulk xfers into */ -+ void *bulk_scratch; -+ -+ struct idr context_map; -+ /* protect accesses to context_map */ -+ struct mutex context_map_lock; -+ -+ /* component to use next */ -+ int component_idx; -+ struct vchiq_mmal_component component[VCHIQ_MMAL_MAX_COMPONENTS]; -+ -+ /* ordered workqueue to process all bulk operations */ -+ struct workqueue_struct *bulk_wq; -+}; -+ -+static struct mmal_msg_context * -+get_msg_context(struct vchiq_mmal_instance *instance) -+{ -+ struct mmal_msg_context *msg_context; -+ int handle; -+ -+ /* todo: should this be allocated from a pool to avoid kzalloc */ -+ msg_context = kzalloc(sizeof(*msg_context), GFP_KERNEL); -+ -+ if (!msg_context) -+ return ERR_PTR(-ENOMEM); -+ -+ /* Create an ID that will be passed along with our message so -+ * that when we service the VCHI reply, we can look up what -+ * message is being replied to. -+ */ -+ mutex_lock(&instance->context_map_lock); -+ handle = idr_alloc(&instance->context_map, msg_context, -+ 0, 0, GFP_KERNEL); -+ mutex_unlock(&instance->context_map_lock); -+ -+ if (handle < 0) { -+ kfree(msg_context); -+ return ERR_PTR(handle); -+ } -+ -+ msg_context->instance = instance; -+ msg_context->handle = handle; -+ -+ return msg_context; -+} -+ -+static struct mmal_msg_context * -+lookup_msg_context(struct vchiq_mmal_instance *instance, int handle) -+{ -+ return idr_find(&instance->context_map, handle); -+} -+ -+static void -+release_msg_context(struct mmal_msg_context *msg_context) -+{ -+ struct vchiq_mmal_instance *instance = msg_context->instance; -+ -+ mutex_lock(&instance->context_map_lock); -+ idr_remove(&instance->context_map, msg_context->handle); -+ mutex_unlock(&instance->context_map_lock); -+ kfree(msg_context); -+} -+ -+/* deals with receipt of event to host message */ -+static void event_to_host_cb(struct vchiq_mmal_instance *instance, -+ struct mmal_msg *msg, u32 msg_len) -+{ -+ pr_debug("unhandled event\n"); -+ pr_debug("component:%u port type:%d num:%d cmd:0x%x length:%d\n", -+ msg->u.event_to_host.client_component, -+ msg->u.event_to_host.port_type, -+ msg->u.event_to_host.port_num, -+ msg->u.event_to_host.cmd, msg->u.event_to_host.length); -+} -+ -+/* workqueue scheduled callback -+ * -+ * we do this because it is important we do not call any other vchiq -+ * sync calls from witin the message delivery thread -+ */ -+static void buffer_work_cb(struct work_struct *work) -+{ -+ struct mmal_msg_context *msg_context = -+ container_of(work, struct mmal_msg_context, u.bulk.work); -+ -+ atomic_dec(&msg_context->u.bulk.port->buffers_with_vpu); -+ -+ msg_context->u.bulk.port->buffer_cb(msg_context->u.bulk.instance, -+ msg_context->u.bulk.port, -+ msg_context->u.bulk.status, -+ msg_context->u.bulk.buffer, -+ msg_context->u.bulk.buffer_used, -+ msg_context->u.bulk.mmal_flags, -+ msg_context->u.bulk.dts, -+ msg_context->u.bulk.pts); -+} -+ -+/* workqueue scheduled callback to handle receiving buffers -+ * -+ * VCHI will allow up to 4 bulk receives to be scheduled before blocking. -+ * If we block in the service_callback context then we can't process the -+ * VCHI_CALLBACK_BULK_RECEIVED message that would otherwise allow the blocked -+ * vchi_bulk_queue_receive() call to complete. -+ */ -+static void buffer_to_host_work_cb(struct work_struct *work) -+{ -+ struct mmal_msg_context *msg_context = -+ container_of(work, struct mmal_msg_context, -+ u.bulk.buffer_to_host_work); -+ struct vchiq_mmal_instance *instance = msg_context->instance; -+ unsigned long len = msg_context->u.bulk.buffer_used; -+ int ret; -+ -+ if (!len) -+ /* Dummy receive to ensure the buffers remain in order */ -+ len = 8; -+ /* queue the bulk submission */ -+ vchi_service_use(instance->handle); -+ ret = vchi_bulk_queue_receive(instance->handle, -+ msg_context->u.bulk.buffer->buffer, -+ /* Actual receive needs to be a multiple -+ * of 4 bytes -+ */ -+ (len + 3) & ~3, -+ VCHI_FLAGS_CALLBACK_WHEN_OP_COMPLETE | -+ VCHI_FLAGS_BLOCK_UNTIL_QUEUED, -+ msg_context); -+ -+ vchi_service_release(instance->handle); -+ -+ if (ret != 0) -+ pr_err("%s: ctx: %p, vchi_bulk_queue_receive failed %d\n", -+ __func__, msg_context, ret); -+} -+ -+/* enqueue a bulk receive for a given message context */ -+static int bulk_receive(struct vchiq_mmal_instance *instance, -+ struct mmal_msg *msg, -+ struct mmal_msg_context *msg_context) -+{ -+ unsigned long rd_len; -+ -+ rd_len = msg->u.buffer_from_host.buffer_header.length; -+ -+ if (!msg_context->u.bulk.buffer) { -+ pr_err("bulk.buffer not configured - error in buffer_from_host\n"); -+ -+ /* todo: this is a serious error, we should never have -+ * committed a buffer_to_host operation to the mmal -+ * port without the buffer to back it up (underflow -+ * handling) and there is no obvious way to deal with -+ * this - how is the mmal servie going to react when -+ * we fail to do the xfer and reschedule a buffer when -+ * it arrives? perhaps a starved flag to indicate a -+ * waiting bulk receive? -+ */ -+ -+ return -EINVAL; -+ } -+ -+ /* ensure we do not overrun the available buffer */ -+ if (rd_len > msg_context->u.bulk.buffer->buffer_size) { -+ rd_len = msg_context->u.bulk.buffer->buffer_size; -+ pr_warn("short read as not enough receive buffer space\n"); -+ /* todo: is this the correct response, what happens to -+ * the rest of the message data? -+ */ -+ } -+ -+ /* store length */ -+ msg_context->u.bulk.buffer_used = rd_len; -+ msg_context->u.bulk.dts = msg->u.buffer_from_host.buffer_header.dts; -+ msg_context->u.bulk.pts = msg->u.buffer_from_host.buffer_header.pts; -+ -+ queue_work(msg_context->instance->bulk_wq, -+ &msg_context->u.bulk.buffer_to_host_work); -+ -+ return 0; -+} -+ -+/* data in message, memcpy from packet into output buffer */ -+static int inline_receive(struct vchiq_mmal_instance *instance, -+ struct mmal_msg *msg, -+ struct mmal_msg_context *msg_context) -+{ -+ memcpy(msg_context->u.bulk.buffer->buffer, -+ msg->u.buffer_from_host.short_data, -+ msg->u.buffer_from_host.payload_in_message); -+ -+ msg_context->u.bulk.buffer_used = -+ msg->u.buffer_from_host.payload_in_message; -+ -+ return 0; -+} -+ -+/* queue the buffer availability with MMAL_MSG_TYPE_BUFFER_FROM_HOST */ -+static int -+buffer_from_host(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, struct mmal_buffer *buf) -+{ -+ struct mmal_msg_context *msg_context; -+ struct mmal_msg m; -+ int ret; -+ -+ if (!port->enabled) -+ return -EINVAL; -+ -+ pr_debug("instance:%p buffer:%p\n", instance->handle, buf); -+ -+ /* get context */ -+ if (!buf->msg_context) { -+ pr_err("%s: msg_context not allocated, buf %p\n", __func__, -+ buf); -+ return -EINVAL; -+ } -+ msg_context = buf->msg_context; -+ -+ /* store bulk message context for when data arrives */ -+ msg_context->u.bulk.instance = instance; -+ msg_context->u.bulk.port = port; -+ msg_context->u.bulk.buffer = buf; -+ msg_context->u.bulk.buffer_used = 0; -+ -+ /* initialise work structure ready to schedule callback */ -+ INIT_WORK(&msg_context->u.bulk.work, buffer_work_cb); -+ INIT_WORK(&msg_context->u.bulk.buffer_to_host_work, -+ buffer_to_host_work_cb); -+ -+ atomic_inc(&port->buffers_with_vpu); -+ -+ /* prep the buffer from host message */ -+ memset(&m, 0xbc, sizeof(m)); /* just to make debug clearer */ -+ -+ m.h.type = MMAL_MSG_TYPE_BUFFER_FROM_HOST; -+ m.h.magic = MMAL_MAGIC; -+ m.h.context = msg_context->handle; -+ m.h.status = 0; -+ -+ /* drvbuf is our private data passed back */ -+ m.u.buffer_from_host.drvbuf.magic = MMAL_MAGIC; -+ m.u.buffer_from_host.drvbuf.component_handle = port->component->handle; -+ m.u.buffer_from_host.drvbuf.port_handle = port->handle; -+ m.u.buffer_from_host.drvbuf.client_context = msg_context->handle; -+ -+ /* buffer header */ -+ m.u.buffer_from_host.buffer_header.cmd = 0; -+ m.u.buffer_from_host.buffer_header.data = -+ (u32)(unsigned long)buf->buffer; -+ m.u.buffer_from_host.buffer_header.alloc_size = buf->buffer_size; -+ m.u.buffer_from_host.buffer_header.length = 0; /* nothing used yet */ -+ m.u.buffer_from_host.buffer_header.offset = 0; /* no offset */ -+ m.u.buffer_from_host.buffer_header.flags = 0; /* no flags */ -+ m.u.buffer_from_host.buffer_header.pts = MMAL_TIME_UNKNOWN; -+ m.u.buffer_from_host.buffer_header.dts = MMAL_TIME_UNKNOWN; -+ -+ /* clear buffer type sepecific data */ -+ memset(&m.u.buffer_from_host.buffer_header_type_specific, 0, -+ sizeof(m.u.buffer_from_host.buffer_header_type_specific)); -+ -+ /* no payload in message */ -+ m.u.buffer_from_host.payload_in_message = 0; -+ -+ vchi_service_use(instance->handle); -+ -+ ret = vchi_queue_kernel_message(instance->handle, -+ &m, -+ sizeof(struct mmal_msg_header) + -+ sizeof(m.u.buffer_from_host)); -+ -+ vchi_service_release(instance->handle); -+ -+ return ret; -+} -+ -+/* deals with receipt of buffer to host message */ -+static void buffer_to_host_cb(struct vchiq_mmal_instance *instance, -+ struct mmal_msg *msg, u32 msg_len) -+{ -+ struct mmal_msg_context *msg_context; -+ u32 handle; -+ -+ pr_debug("%s: instance:%p msg:%p msg_len:%d\n", -+ __func__, instance, msg, msg_len); -+ -+ if (msg->u.buffer_from_host.drvbuf.magic == MMAL_MAGIC) { -+ handle = msg->u.buffer_from_host.drvbuf.client_context; -+ msg_context = lookup_msg_context(instance, handle); -+ -+ if (!msg_context) { -+ pr_err("drvbuf.client_context(%u) is invalid\n", -+ handle); -+ return; -+ } -+ } else { -+ pr_err("MMAL_MSG_TYPE_BUFFER_TO_HOST with bad magic\n"); -+ return; -+ } -+ -+ msg_context->u.bulk.mmal_flags = -+ msg->u.buffer_from_host.buffer_header.flags; -+ -+ if (msg->h.status != MMAL_MSG_STATUS_SUCCESS) { -+ /* message reception had an error */ -+ pr_warn("error %d in reply\n", msg->h.status); -+ -+ msg_context->u.bulk.status = msg->h.status; -+ -+ } else if (msg->u.buffer_from_host.buffer_header.length == 0) { -+ /* empty buffer */ -+ if (msg->u.buffer_from_host.buffer_header.flags & -+ MMAL_BUFFER_HEADER_FLAG_EOS) { -+ msg_context->u.bulk.status = -+ bulk_receive(instance, msg, msg_context); -+ if (msg_context->u.bulk.status == 0) -+ return; /* successful bulk submission, bulk -+ * completion will trigger callback -+ */ -+ } else { -+ /* do callback with empty buffer - not EOS though */ -+ msg_context->u.bulk.status = 0; -+ msg_context->u.bulk.buffer_used = 0; -+ } -+ } else if (msg->u.buffer_from_host.payload_in_message == 0) { -+ /* data is not in message, queue a bulk receive */ -+ msg_context->u.bulk.status = -+ bulk_receive(instance, msg, msg_context); -+ if (msg_context->u.bulk.status == 0) -+ return; /* successful bulk submission, bulk -+ * completion will trigger callback -+ */ -+ -+ /* failed to submit buffer, this will end badly */ -+ pr_err("error %d on bulk submission\n", -+ msg_context->u.bulk.status); -+ -+ } else if (msg->u.buffer_from_host.payload_in_message <= -+ MMAL_VC_SHORT_DATA) { -+ /* data payload within message */ -+ msg_context->u.bulk.status = inline_receive(instance, msg, -+ msg_context); -+ } else { -+ pr_err("message with invalid short payload\n"); -+ -+ /* signal error */ -+ msg_context->u.bulk.status = -EINVAL; -+ msg_context->u.bulk.buffer_used = -+ msg->u.buffer_from_host.payload_in_message; -+ } -+ -+ /* schedule the port callback */ -+ schedule_work(&msg_context->u.bulk.work); -+} -+ -+static void bulk_receive_cb(struct vchiq_mmal_instance *instance, -+ struct mmal_msg_context *msg_context) -+{ -+ msg_context->u.bulk.status = 0; -+ -+ /* schedule the port callback */ -+ schedule_work(&msg_context->u.bulk.work); -+} -+ -+static void bulk_abort_cb(struct vchiq_mmal_instance *instance, -+ struct mmal_msg_context *msg_context) -+{ -+ pr_err("%s: bulk ABORTED msg_context:%p\n", __func__, msg_context); -+ -+ msg_context->u.bulk.status = -EINTR; -+ -+ schedule_work(&msg_context->u.bulk.work); -+} -+ -+/* incoming event service callback */ -+static void service_callback(void *param, -+ const VCHI_CALLBACK_REASON_T reason, -+ void *bulk_ctx) -+{ -+ struct vchiq_mmal_instance *instance = param; -+ int status; -+ u32 msg_len; -+ struct mmal_msg *msg; -+ VCHI_HELD_MSG_T msg_handle; -+ struct mmal_msg_context *msg_context; -+ -+ if (!instance) { -+ pr_err("Message callback passed NULL instance\n"); -+ return; -+ } -+ -+ switch (reason) { -+ case VCHI_CALLBACK_MSG_AVAILABLE: -+ status = vchi_msg_hold(instance->handle, (void **)&msg, -+ &msg_len, VCHI_FLAGS_NONE, &msg_handle); -+ if (status) { -+ pr_err("Unable to dequeue a message (%d)\n", status); -+ break; -+ } -+ -+ DBG_DUMP_MSG(msg, msg_len, "<<< reply message"); -+ -+ /* handling is different for buffer messages */ -+ switch (msg->h.type) { -+ case MMAL_MSG_TYPE_BUFFER_FROM_HOST: -+ vchi_held_msg_release(&msg_handle); -+ break; -+ -+ case MMAL_MSG_TYPE_EVENT_TO_HOST: -+ event_to_host_cb(instance, msg, msg_len); -+ vchi_held_msg_release(&msg_handle); -+ -+ break; -+ -+ case MMAL_MSG_TYPE_BUFFER_TO_HOST: -+ buffer_to_host_cb(instance, msg, msg_len); -+ vchi_held_msg_release(&msg_handle); -+ break; -+ -+ default: -+ /* messages dependent on header context to complete */ -+ if (!msg->h.context) { -+ pr_err("received message context was null!\n"); -+ vchi_held_msg_release(&msg_handle); -+ break; -+ } -+ -+ msg_context = lookup_msg_context(instance, -+ msg->h.context); -+ if (!msg_context) { -+ pr_err("received invalid message context %u!\n", -+ msg->h.context); -+ vchi_held_msg_release(&msg_handle); -+ break; -+ } -+ -+ /* fill in context values */ -+ msg_context->u.sync.msg_handle = msg_handle; -+ msg_context->u.sync.msg = msg; -+ msg_context->u.sync.msg_len = msg_len; -+ -+ /* todo: should this check (completion_done() -+ * == 1) for no one waiting? or do we need a -+ * flag to tell us the completion has been -+ * interrupted so we can free the message and -+ * its context. This probably also solves the -+ * message arriving after interruption todo -+ * below -+ */ -+ -+ /* complete message so caller knows it happened */ -+ complete(&msg_context->u.sync.cmplt); -+ break; -+ } -+ -+ break; -+ -+ case VCHI_CALLBACK_BULK_RECEIVED: -+ bulk_receive_cb(instance, bulk_ctx); -+ break; -+ -+ case VCHI_CALLBACK_BULK_RECEIVE_ABORTED: -+ bulk_abort_cb(instance, bulk_ctx); -+ break; -+ -+ case VCHI_CALLBACK_SERVICE_CLOSED: -+ /* TODO: consider if this requires action if received when -+ * driver is not explicitly closing the service -+ */ -+ break; -+ -+ default: -+ pr_err("Received unhandled message reason %d\n", reason); -+ break; -+ } -+} -+ -+static int send_synchronous_mmal_msg(struct vchiq_mmal_instance *instance, -+ struct mmal_msg *msg, -+ unsigned int payload_len, -+ struct mmal_msg **msg_out, -+ VCHI_HELD_MSG_T *msg_handle_out) -+{ -+ struct mmal_msg_context *msg_context; -+ int ret; -+ unsigned long timeout; -+ -+ /* payload size must not cause message to exceed max size */ -+ if (payload_len > -+ (MMAL_MSG_MAX_SIZE - sizeof(struct mmal_msg_header))) { -+ pr_err("payload length %d exceeds max:%d\n", payload_len, -+ (int)(MMAL_MSG_MAX_SIZE - -+ sizeof(struct mmal_msg_header))); -+ return -EINVAL; -+ } -+ -+ msg_context = get_msg_context(instance); -+ if (IS_ERR(msg_context)) -+ return PTR_ERR(msg_context); -+ -+ init_completion(&msg_context->u.sync.cmplt); -+ -+ msg->h.magic = MMAL_MAGIC; -+ msg->h.context = msg_context->handle; -+ msg->h.status = 0; -+ -+ DBG_DUMP_MSG(msg, (sizeof(struct mmal_msg_header) + payload_len), -+ ">>> sync message"); -+ -+ vchi_service_use(instance->handle); -+ -+ ret = vchi_queue_kernel_message(instance->handle, -+ msg, -+ sizeof(struct mmal_msg_header) + -+ payload_len); -+ -+ vchi_service_release(instance->handle); -+ -+ if (ret) { -+ pr_err("error %d queuing message\n", ret); -+ release_msg_context(msg_context); -+ return ret; -+ } -+ -+ timeout = wait_for_completion_timeout(&msg_context->u.sync.cmplt, -+ 3 * HZ); -+ if (timeout == 0) { -+ pr_err("timed out waiting for sync completion\n"); -+ ret = -ETIME; -+ /* todo: what happens if the message arrives after aborting */ -+ release_msg_context(msg_context); -+ return ret; -+ } -+ -+ *msg_out = msg_context->u.sync.msg; -+ *msg_handle_out = msg_context->u.sync.msg_handle; -+ release_msg_context(msg_context); -+ -+ return 0; -+} -+ -+static void dump_port_info(struct vchiq_mmal_port *port) -+{ -+ pr_debug("port handle:0x%x enabled:%d\n", port->handle, port->enabled); -+ -+ pr_debug("buffer minimum num:%d size:%d align:%d\n", -+ port->minimum_buffer.num, -+ port->minimum_buffer.size, port->minimum_buffer.alignment); -+ -+ pr_debug("buffer recommended num:%d size:%d align:%d\n", -+ port->recommended_buffer.num, -+ port->recommended_buffer.size, -+ port->recommended_buffer.alignment); -+ -+ pr_debug("buffer current values num:%d size:%d align:%d\n", -+ port->current_buffer.num, -+ port->current_buffer.size, port->current_buffer.alignment); -+ -+ pr_debug("elementary stream: type:%d encoding:0x%x variant:0x%x\n", -+ port->format.type, -+ port->format.encoding, port->format.encoding_variant); -+ -+ pr_debug(" bitrate:%d flags:0x%x\n", -+ port->format.bitrate, port->format.flags); -+ -+ if (port->format.type == MMAL_ES_TYPE_VIDEO) { -+ pr_debug -+ ("es video format: width:%d height:%d colourspace:0x%x\n", -+ port->es.video.width, port->es.video.height, -+ port->es.video.color_space); -+ -+ pr_debug(" : crop xywh %d,%d,%d,%d\n", -+ port->es.video.crop.x, -+ port->es.video.crop.y, -+ port->es.video.crop.width, port->es.video.crop.height); -+ pr_debug(" : framerate %d/%d aspect %d/%d\n", -+ port->es.video.frame_rate.num, -+ port->es.video.frame_rate.den, -+ port->es.video.par.num, port->es.video.par.den); -+ } -+} -+ -+static void port_to_mmal_msg(struct vchiq_mmal_port *port, struct mmal_port *p) -+{ -+ /* todo do readonly fields need setting at all? */ -+ p->type = port->type; -+ p->index = port->index; -+ p->index_all = 0; -+ p->is_enabled = port->enabled; -+ p->buffer_num_min = port->minimum_buffer.num; -+ p->buffer_size_min = port->minimum_buffer.size; -+ p->buffer_alignment_min = port->minimum_buffer.alignment; -+ p->buffer_num_recommended = port->recommended_buffer.num; -+ p->buffer_size_recommended = port->recommended_buffer.size; -+ -+ /* only three writable fields in a port */ -+ p->buffer_num = port->current_buffer.num; -+ p->buffer_size = port->current_buffer.size; -+ p->userdata = (u32)(unsigned long)port; -+} -+ -+static int port_info_set(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port) -+{ -+ int ret; -+ struct mmal_msg m; -+ struct mmal_msg *rmsg; -+ VCHI_HELD_MSG_T rmsg_handle; -+ -+ pr_debug("setting port info port %p\n", port); -+ if (!port) -+ return -1; -+ dump_port_info(port); -+ -+ m.h.type = MMAL_MSG_TYPE_PORT_INFO_SET; -+ -+ m.u.port_info_set.component_handle = port->component->handle; -+ m.u.port_info_set.port_type = port->type; -+ m.u.port_info_set.port_index = port->index; -+ -+ port_to_mmal_msg(port, &m.u.port_info_set.port); -+ -+ /* elementary stream format setup */ -+ m.u.port_info_set.format.type = port->format.type; -+ m.u.port_info_set.format.encoding = port->format.encoding; -+ m.u.port_info_set.format.encoding_variant = -+ port->format.encoding_variant; -+ m.u.port_info_set.format.bitrate = port->format.bitrate; -+ m.u.port_info_set.format.flags = port->format.flags; -+ -+ memcpy(&m.u.port_info_set.es, &port->es, -+ sizeof(union mmal_es_specific_format)); -+ -+ m.u.port_info_set.format.extradata_size = port->format.extradata_size; -+ memcpy(&m.u.port_info_set.extradata, port->format.extradata, -+ port->format.extradata_size); -+ -+ ret = send_synchronous_mmal_msg(instance, &m, -+ sizeof(m.u.port_info_set), -+ &rmsg, &rmsg_handle); -+ if (ret) -+ return ret; -+ -+ if (rmsg->h.type != MMAL_MSG_TYPE_PORT_INFO_SET) { -+ /* got an unexpected message type in reply */ -+ ret = -EINVAL; -+ goto release_msg; -+ } -+ -+ /* return operation status */ -+ ret = -rmsg->u.port_info_get_reply.status; -+ -+ pr_debug("%s:result:%d component:0x%x port:%d\n", __func__, ret, -+ port->component->handle, port->handle); -+ -+release_msg: -+ vchi_held_msg_release(&rmsg_handle); -+ -+ return ret; -+} -+ -+/* use port info get message to retrieve port information */ -+static int port_info_get(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port) -+{ -+ int ret; -+ struct mmal_msg m; -+ struct mmal_msg *rmsg; -+ VCHI_HELD_MSG_T rmsg_handle; -+ -+ /* port info time */ -+ m.h.type = MMAL_MSG_TYPE_PORT_INFO_GET; -+ m.u.port_info_get.component_handle = port->component->handle; -+ m.u.port_info_get.port_type = port->type; -+ m.u.port_info_get.index = port->index; -+ -+ ret = send_synchronous_mmal_msg(instance, &m, -+ sizeof(m.u.port_info_get), -+ &rmsg, &rmsg_handle); -+ if (ret) -+ return ret; -+ -+ if (rmsg->h.type != MMAL_MSG_TYPE_PORT_INFO_GET) { -+ /* got an unexpected message type in reply */ -+ ret = -EINVAL; -+ goto release_msg; -+ } -+ -+ /* return operation status */ -+ ret = -rmsg->u.port_info_get_reply.status; -+ if (ret != MMAL_MSG_STATUS_SUCCESS) -+ goto release_msg; -+ -+ if (rmsg->u.port_info_get_reply.port.is_enabled == 0) -+ port->enabled = false; -+ else -+ port->enabled = true; -+ -+ /* copy the values out of the message */ -+ port->handle = rmsg->u.port_info_get_reply.port_handle; -+ -+ /* port type and index cached to use on port info set because -+ * it does not use a port handle -+ */ -+ port->type = rmsg->u.port_info_get_reply.port_type; -+ port->index = rmsg->u.port_info_get_reply.port_index; -+ -+ port->minimum_buffer.num = -+ rmsg->u.port_info_get_reply.port.buffer_num_min; -+ port->minimum_buffer.size = -+ rmsg->u.port_info_get_reply.port.buffer_size_min; -+ port->minimum_buffer.alignment = -+ rmsg->u.port_info_get_reply.port.buffer_alignment_min; -+ -+ port->recommended_buffer.alignment = -+ rmsg->u.port_info_get_reply.port.buffer_alignment_min; -+ port->recommended_buffer.num = -+ rmsg->u.port_info_get_reply.port.buffer_num_recommended; -+ -+ port->current_buffer.num = rmsg->u.port_info_get_reply.port.buffer_num; -+ port->current_buffer.size = -+ rmsg->u.port_info_get_reply.port.buffer_size; -+ -+ /* stream format */ -+ port->format.type = rmsg->u.port_info_get_reply.format.type; -+ port->format.encoding = rmsg->u.port_info_get_reply.format.encoding; -+ port->format.encoding_variant = -+ rmsg->u.port_info_get_reply.format.encoding_variant; -+ port->format.bitrate = rmsg->u.port_info_get_reply.format.bitrate; -+ port->format.flags = rmsg->u.port_info_get_reply.format.flags; -+ -+ /* elementary stream format */ -+ memcpy(&port->es, -+ &rmsg->u.port_info_get_reply.es, -+ sizeof(union mmal_es_specific_format)); -+ port->format.es = &port->es; -+ -+ port->format.extradata_size = -+ rmsg->u.port_info_get_reply.format.extradata_size; -+ memcpy(port->format.extradata, -+ rmsg->u.port_info_get_reply.extradata, -+ port->format.extradata_size); -+ -+ pr_debug("received port info\n"); -+ dump_port_info(port); -+ -+release_msg: -+ -+ pr_debug("%s:result:%d component:0x%x port:%d\n", -+ __func__, ret, port->component->handle, port->handle); -+ -+ vchi_held_msg_release(&rmsg_handle); -+ -+ return ret; -+} -+ -+/* create comonent on vc */ -+static int create_component(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_component *component, -+ const char *name) -+{ -+ int ret; -+ struct mmal_msg m; -+ struct mmal_msg *rmsg; -+ VCHI_HELD_MSG_T rmsg_handle; -+ -+ /* build component create message */ -+ m.h.type = MMAL_MSG_TYPE_COMPONENT_CREATE; -+ m.u.component_create.client_component = (u32)(unsigned long)component; -+ strncpy(m.u.component_create.name, name, -+ sizeof(m.u.component_create.name)); -+ -+ ret = send_synchronous_mmal_msg(instance, &m, -+ sizeof(m.u.component_create), -+ &rmsg, &rmsg_handle); -+ if (ret) -+ return ret; -+ -+ if (rmsg->h.type != m.h.type) { -+ /* got an unexpected message type in reply */ -+ ret = -EINVAL; -+ goto release_msg; -+ } -+ -+ ret = -rmsg->u.component_create_reply.status; -+ if (ret != MMAL_MSG_STATUS_SUCCESS) -+ goto release_msg; -+ -+ /* a valid component response received */ -+ component->handle = rmsg->u.component_create_reply.component_handle; -+ component->inputs = rmsg->u.component_create_reply.input_num; -+ component->outputs = rmsg->u.component_create_reply.output_num; -+ component->clocks = rmsg->u.component_create_reply.clock_num; -+ -+ pr_debug("Component handle:0x%x in:%d out:%d clock:%d\n", -+ component->handle, -+ component->inputs, component->outputs, component->clocks); -+ -+release_msg: -+ vchi_held_msg_release(&rmsg_handle); -+ -+ return ret; -+} -+ -+/* destroys a component on vc */ -+static int destroy_component(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_component *component) -+{ -+ int ret; -+ struct mmal_msg m; -+ struct mmal_msg *rmsg; -+ VCHI_HELD_MSG_T rmsg_handle; -+ -+ m.h.type = MMAL_MSG_TYPE_COMPONENT_DESTROY; -+ m.u.component_destroy.component_handle = component->handle; -+ -+ ret = send_synchronous_mmal_msg(instance, &m, -+ sizeof(m.u.component_destroy), -+ &rmsg, &rmsg_handle); -+ if (ret) -+ return ret; -+ -+ if (rmsg->h.type != m.h.type) { -+ /* got an unexpected message type in reply */ -+ ret = -EINVAL; -+ goto release_msg; -+ } -+ -+ ret = -rmsg->u.component_destroy_reply.status; -+ -+release_msg: -+ -+ vchi_held_msg_release(&rmsg_handle); -+ -+ return ret; -+} -+ -+/* enable a component on vc */ -+static int enable_component(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_component *component) -+{ -+ int ret; -+ struct mmal_msg m; -+ struct mmal_msg *rmsg; -+ VCHI_HELD_MSG_T rmsg_handle; -+ -+ m.h.type = MMAL_MSG_TYPE_COMPONENT_ENABLE; -+ m.u.component_enable.component_handle = component->handle; -+ -+ ret = send_synchronous_mmal_msg(instance, &m, -+ sizeof(m.u.component_enable), -+ &rmsg, &rmsg_handle); -+ if (ret) -+ return ret; -+ -+ if (rmsg->h.type != m.h.type) { -+ /* got an unexpected message type in reply */ -+ ret = -EINVAL; -+ goto release_msg; -+ } -+ -+ ret = -rmsg->u.component_enable_reply.status; -+ -+release_msg: -+ vchi_held_msg_release(&rmsg_handle); -+ -+ return ret; -+} -+ -+/* disable a component on vc */ -+static int disable_component(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_component *component) -+{ -+ int ret; -+ struct mmal_msg m; -+ struct mmal_msg *rmsg; -+ VCHI_HELD_MSG_T rmsg_handle; -+ -+ m.h.type = MMAL_MSG_TYPE_COMPONENT_DISABLE; -+ m.u.component_disable.component_handle = component->handle; -+ -+ ret = send_synchronous_mmal_msg(instance, &m, -+ sizeof(m.u.component_disable), -+ &rmsg, &rmsg_handle); -+ if (ret) -+ return ret; -+ -+ if (rmsg->h.type != m.h.type) { -+ /* got an unexpected message type in reply */ -+ ret = -EINVAL; -+ goto release_msg; -+ } -+ -+ ret = -rmsg->u.component_disable_reply.status; -+ -+release_msg: -+ -+ vchi_held_msg_release(&rmsg_handle); -+ -+ return ret; -+} -+ -+/* get version of mmal implementation */ -+static int get_version(struct vchiq_mmal_instance *instance, -+ u32 *major_out, u32 *minor_out) -+{ -+ int ret; -+ struct mmal_msg m; -+ struct mmal_msg *rmsg; -+ VCHI_HELD_MSG_T rmsg_handle; -+ -+ m.h.type = MMAL_MSG_TYPE_GET_VERSION; -+ -+ ret = send_synchronous_mmal_msg(instance, &m, -+ sizeof(m.u.version), -+ &rmsg, &rmsg_handle); -+ if (ret) -+ return ret; -+ -+ if (rmsg->h.type != m.h.type) { -+ /* got an unexpected message type in reply */ -+ ret = -EINVAL; -+ goto release_msg; -+ } -+ -+ *major_out = rmsg->u.version.major; -+ *minor_out = rmsg->u.version.minor; -+ -+release_msg: -+ vchi_held_msg_release(&rmsg_handle); -+ -+ return ret; -+} -+ -+/* do a port action with a port as a parameter */ -+static int port_action_port(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ enum mmal_msg_port_action_type action_type) -+{ -+ int ret; -+ struct mmal_msg m; -+ struct mmal_msg *rmsg; -+ VCHI_HELD_MSG_T rmsg_handle; -+ -+ m.h.type = MMAL_MSG_TYPE_PORT_ACTION; -+ m.u.port_action_port.component_handle = port->component->handle; -+ m.u.port_action_port.port_handle = port->handle; -+ m.u.port_action_port.action = action_type; -+ -+ port_to_mmal_msg(port, &m.u.port_action_port.port); -+ -+ ret = send_synchronous_mmal_msg(instance, &m, -+ sizeof(m.u.port_action_port), -+ &rmsg, &rmsg_handle); -+ if (ret) -+ return ret; -+ -+ if (rmsg->h.type != MMAL_MSG_TYPE_PORT_ACTION) { -+ /* got an unexpected message type in reply */ -+ ret = -EINVAL; -+ goto release_msg; -+ } -+ -+ ret = -rmsg->u.port_action_reply.status; -+ -+ pr_debug("%s:result:%d component:0x%x port:%d action:%s(%d)\n", -+ __func__, -+ ret, port->component->handle, port->handle, -+ port_action_type_names[action_type], action_type); -+ -+release_msg: -+ vchi_held_msg_release(&rmsg_handle); -+ -+ return ret; -+} -+ -+/* do a port action with handles as parameters */ -+static int port_action_handle(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ enum mmal_msg_port_action_type action_type, -+ u32 connect_component_handle, -+ u32 connect_port_handle) -+{ -+ int ret; -+ struct mmal_msg m; -+ struct mmal_msg *rmsg; -+ VCHI_HELD_MSG_T rmsg_handle; -+ -+ m.h.type = MMAL_MSG_TYPE_PORT_ACTION; -+ -+ m.u.port_action_handle.component_handle = port->component->handle; -+ m.u.port_action_handle.port_handle = port->handle; -+ m.u.port_action_handle.action = action_type; -+ -+ m.u.port_action_handle.connect_component_handle = -+ connect_component_handle; -+ m.u.port_action_handle.connect_port_handle = connect_port_handle; -+ -+ ret = send_synchronous_mmal_msg(instance, &m, -+ sizeof(m.u.port_action_handle), -+ &rmsg, &rmsg_handle); -+ if (ret) -+ return ret; -+ -+ if (rmsg->h.type != MMAL_MSG_TYPE_PORT_ACTION) { -+ /* got an unexpected message type in reply */ -+ ret = -EINVAL; -+ goto release_msg; -+ } -+ -+ ret = -rmsg->u.port_action_reply.status; -+ -+ pr_debug("%s:result:%d component:0x%x port:%d action:%s(%d) connect component:0x%x connect port:%d\n", -+ __func__, -+ ret, port->component->handle, port->handle, -+ port_action_type_names[action_type], -+ action_type, connect_component_handle, connect_port_handle); -+ -+release_msg: -+ vchi_held_msg_release(&rmsg_handle); -+ -+ return ret; -+} -+ -+static int port_parameter_set(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ u32 parameter_id, void *value, u32 value_size) -+{ -+ int ret; -+ struct mmal_msg m; -+ struct mmal_msg *rmsg; -+ VCHI_HELD_MSG_T rmsg_handle; -+ -+ m.h.type = MMAL_MSG_TYPE_PORT_PARAMETER_SET; -+ -+ m.u.port_parameter_set.component_handle = port->component->handle; -+ m.u.port_parameter_set.port_handle = port->handle; -+ m.u.port_parameter_set.id = parameter_id; -+ m.u.port_parameter_set.size = (2 * sizeof(u32)) + value_size; -+ memcpy(&m.u.port_parameter_set.value, value, value_size); -+ -+ ret = send_synchronous_mmal_msg(instance, &m, -+ (4 * sizeof(u32)) + value_size, -+ &rmsg, &rmsg_handle); -+ if (ret) -+ return ret; -+ -+ if (rmsg->h.type != MMAL_MSG_TYPE_PORT_PARAMETER_SET) { -+ /* got an unexpected message type in reply */ -+ ret = -EINVAL; -+ goto release_msg; -+ } -+ -+ ret = -rmsg->u.port_parameter_set_reply.status; -+ -+ pr_debug("%s:result:%d component:0x%x port:%d parameter:%d\n", -+ __func__, -+ ret, port->component->handle, port->handle, parameter_id); -+ -+release_msg: -+ vchi_held_msg_release(&rmsg_handle); -+ -+ return ret; -+} -+ -+static int port_parameter_get(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ u32 parameter_id, void *value, u32 *value_size) -+{ -+ int ret; -+ struct mmal_msg m; -+ struct mmal_msg *rmsg; -+ VCHI_HELD_MSG_T rmsg_handle; -+ -+ m.h.type = MMAL_MSG_TYPE_PORT_PARAMETER_GET; -+ -+ m.u.port_parameter_get.component_handle = port->component->handle; -+ m.u.port_parameter_get.port_handle = port->handle; -+ m.u.port_parameter_get.id = parameter_id; -+ m.u.port_parameter_get.size = (2 * sizeof(u32)) + *value_size; -+ -+ ret = send_synchronous_mmal_msg(instance, &m, -+ sizeof(struct -+ mmal_msg_port_parameter_get), -+ &rmsg, &rmsg_handle); -+ if (ret) -+ return ret; -+ -+ if (rmsg->h.type != MMAL_MSG_TYPE_PORT_PARAMETER_GET) { -+ /* got an unexpected message type in reply */ -+ pr_err("Incorrect reply type %d\n", rmsg->h.type); -+ ret = -EINVAL; -+ goto release_msg; -+ } -+ -+ ret = -rmsg->u.port_parameter_get_reply.status; -+ /* port_parameter_get_reply.size includes the header, -+ * whilst *value_size doesn't. -+ */ -+ rmsg->u.port_parameter_get_reply.size -= (2 * sizeof(u32)); -+ -+ if (ret || rmsg->u.port_parameter_get_reply.size > *value_size) { -+ /* Copy only as much as we have space for -+ * but report true size of parameter -+ */ -+ memcpy(value, &rmsg->u.port_parameter_get_reply.value, -+ *value_size); -+ *value_size = rmsg->u.port_parameter_get_reply.size; -+ } else { -+ memcpy(value, &rmsg->u.port_parameter_get_reply.value, -+ rmsg->u.port_parameter_get_reply.size); -+ } -+ -+ pr_debug("%s:result:%d component:0x%x port:%d parameter:%d\n", __func__, -+ ret, port->component->handle, port->handle, parameter_id); -+ -+release_msg: -+ vchi_held_msg_release(&rmsg_handle); -+ -+ return ret; -+} -+ -+/* disables a port and drains buffers from it */ -+static int port_disable(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port) -+{ -+ int ret; -+ struct list_head *q, *buf_head; -+ unsigned long flags = 0; -+ -+ if (!port->enabled) -+ return 0; -+ -+ port->enabled = false; -+ -+ ret = port_action_port(instance, port, -+ MMAL_MSG_PORT_ACTION_TYPE_DISABLE); -+ if (ret == 0) { -+ /* -+ * Drain all queued buffers on port. This should only -+ * apply to buffers that have been queued before the port -+ * has been enabled. If the port has been enabled and buffers -+ * passed, then the buffers should have been removed from this -+ * list, and we should get the relevant callbacks via VCHIQ -+ * to release the buffers. -+ */ -+ spin_lock_irqsave(&port->slock, flags); -+ -+ list_for_each_safe(buf_head, q, &port->buffers) { -+ struct mmal_buffer *mmalbuf; -+ -+ mmalbuf = list_entry(buf_head, struct mmal_buffer, -+ list); -+ list_del(buf_head); -+ if (port->buffer_cb) -+ port->buffer_cb(instance, -+ port, 0, mmalbuf, 0, 0, -+ MMAL_TIME_UNKNOWN, -+ MMAL_TIME_UNKNOWN); -+ } -+ -+ spin_unlock_irqrestore(&port->slock, flags); -+ -+ ret = port_info_get(instance, port); -+ } -+ -+ return ret; -+} -+ -+/* enable a port */ -+static int port_enable(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port) -+{ -+ unsigned int hdr_count; -+ struct list_head *q, *buf_head; -+ int ret; -+ -+ if (port->enabled) -+ return 0; -+ -+ ret = port_action_port(instance, port, -+ MMAL_MSG_PORT_ACTION_TYPE_ENABLE); -+ if (ret) -+ goto done; -+ -+ port->enabled = true; -+ -+ if (port->buffer_cb) { -+ /* send buffer headers to videocore */ -+ hdr_count = 1; -+ list_for_each_safe(buf_head, q, &port->buffers) { -+ struct mmal_buffer *mmalbuf; -+ -+ mmalbuf = list_entry(buf_head, struct mmal_buffer, -+ list); -+ ret = buffer_from_host(instance, port, mmalbuf); -+ if (ret) -+ goto done; -+ -+ list_del(buf_head); -+ hdr_count++; -+ if (hdr_count > port->current_buffer.num) -+ break; -+ } -+ } -+ -+ ret = port_info_get(instance, port); -+ -+done: -+ return ret; -+} -+ -+/* ------------------------------------------------------------------ -+ * Exported API -+ *------------------------------------------------------------------ -+ */ -+ -+int vchiq_mmal_port_set_format(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port) -+{ -+ int ret; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ ret = port_info_set(instance, port); -+ if (ret) -+ goto release_unlock; -+ -+ /* read what has actually been set */ -+ ret = port_info_get(instance, port); -+ -+release_unlock: -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_port_set_format); -+ -+int vchiq_mmal_port_parameter_set(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ u32 parameter, void *value, u32 value_size) -+{ -+ int ret; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ ret = port_parameter_set(instance, port, parameter, value, value_size); -+ -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_port_parameter_set); -+ -+int vchiq_mmal_port_parameter_get(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ u32 parameter, void *value, u32 *value_size) -+{ -+ int ret; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ ret = port_parameter_get(instance, port, parameter, value, value_size); -+ -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_port_parameter_get); -+ -+/* enable a port -+ * -+ * enables a port and queues buffers for satisfying callbacks if we -+ * provide a callback handler -+ */ -+int vchiq_mmal_port_enable(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ vchiq_mmal_buffer_cb buffer_cb) -+{ -+ int ret; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ /* already enabled - noop */ -+ if (port->enabled) { -+ ret = 0; -+ goto unlock; -+ } -+ -+ port->buffer_cb = buffer_cb; -+ -+ ret = port_enable(instance, port); -+ -+unlock: -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_port_enable); -+ -+int vchiq_mmal_port_disable(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port) -+{ -+ int ret; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ if (!port->enabled) { -+ mutex_unlock(&instance->vchiq_mutex); -+ return 0; -+ } -+ -+ ret = port_disable(instance, port); -+ -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_port_disable); -+ -+/* ports will be connected in a tunneled manner so data buffers -+ * are not handled by client. -+ */ -+int vchiq_mmal_port_connect_tunnel(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *src, -+ struct vchiq_mmal_port *dst) -+{ -+ int ret; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ /* disconnect ports if connected */ -+ if (src->connected) { -+ ret = port_disable(instance, src); -+ if (ret) { -+ pr_err("failed disabling src port(%d)\n", ret); -+ goto release_unlock; -+ } -+ -+ /* do not need to disable the destination port as they -+ * are connected and it is done automatically -+ */ -+ -+ ret = port_action_handle(instance, src, -+ MMAL_MSG_PORT_ACTION_TYPE_DISCONNECT, -+ src->connected->component->handle, -+ src->connected->handle); -+ if (ret < 0) { -+ pr_err("failed disconnecting src port\n"); -+ goto release_unlock; -+ } -+ src->connected->enabled = false; -+ src->connected = NULL; -+ } -+ -+ if (!dst) { -+ /* do not make new connection */ -+ ret = 0; -+ pr_debug("not making new connection\n"); -+ goto release_unlock; -+ } -+ -+ /* copy src port format to dst */ -+ dst->format.encoding = src->format.encoding; -+ dst->es.video.width = src->es.video.width; -+ dst->es.video.height = src->es.video.height; -+ dst->es.video.crop.x = src->es.video.crop.x; -+ dst->es.video.crop.y = src->es.video.crop.y; -+ dst->es.video.crop.width = src->es.video.crop.width; -+ dst->es.video.crop.height = src->es.video.crop.height; -+ dst->es.video.frame_rate.num = src->es.video.frame_rate.num; -+ dst->es.video.frame_rate.den = src->es.video.frame_rate.den; -+ -+ /* set new format */ -+ ret = port_info_set(instance, dst); -+ if (ret) { -+ pr_debug("setting port info failed\n"); -+ goto release_unlock; -+ } -+ -+ /* read what has actually been set */ -+ ret = port_info_get(instance, dst); -+ if (ret) { -+ pr_debug("read back port info failed\n"); -+ goto release_unlock; -+ } -+ -+ /* connect two ports together */ -+ ret = port_action_handle(instance, src, -+ MMAL_MSG_PORT_ACTION_TYPE_CONNECT, -+ dst->component->handle, dst->handle); -+ if (ret < 0) { -+ pr_debug("connecting port %d:%d to %d:%d failed\n", -+ src->component->handle, src->handle, -+ dst->component->handle, dst->handle); -+ goto release_unlock; -+ } -+ src->connected = dst; -+ -+release_unlock: -+ -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_port_connect_tunnel); -+ -+int vchiq_mmal_submit_buffer(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ struct mmal_buffer *buffer) -+{ -+ unsigned long flags = 0; -+ int ret; -+ -+ ret = buffer_from_host(instance, port, buffer); -+ if (ret == -EINVAL) { -+ /* Port is disabled. Queue for when it is enabled. */ -+ spin_lock_irqsave(&port->slock, flags); -+ list_add_tail(&buffer->list, &port->buffers); -+ spin_unlock_irqrestore(&port->slock, flags); -+ } -+ -+ return 0; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_submit_buffer); -+ -+int mmal_vchi_buffer_init(struct vchiq_mmal_instance *instance, -+ struct mmal_buffer *buf) -+{ -+ struct mmal_msg_context *msg_context = get_msg_context(instance); -+ -+ if (IS_ERR(msg_context)) -+ return (PTR_ERR(msg_context)); -+ -+ buf->msg_context = msg_context; -+ return 0; -+} -+EXPORT_SYMBOL_GPL(mmal_vchi_buffer_init); -+ -+int mmal_vchi_buffer_cleanup(struct mmal_buffer *buf) -+{ -+ struct mmal_msg_context *msg_context = buf->msg_context; -+ -+ if (msg_context) -+ release_msg_context(msg_context); -+ buf->msg_context = NULL; -+ -+ return 0; -+} -+EXPORT_SYMBOL_GPL(mmal_vchi_buffer_cleanup); -+ -+/* Initialise a mmal component and its ports -+ * -+ */ -+int vchiq_mmal_component_init(struct vchiq_mmal_instance *instance, -+ const char *name, -+ struct vchiq_mmal_component **component_out) -+{ -+ int ret; -+ int idx; /* port index */ -+ struct vchiq_mmal_component *component; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ if (instance->component_idx == VCHIQ_MMAL_MAX_COMPONENTS) { -+ ret = -EINVAL; /* todo is this correct error? */ -+ goto unlock; -+ } -+ -+ component = &instance->component[instance->component_idx]; -+ -+ ret = create_component(instance, component, name); -+ if (ret < 0) { -+ pr_err("%s: failed to create component %d (Not enough GPU mem?)\n", -+ __func__, ret); -+ goto unlock; -+ } -+ -+ /* ports info needs gathering */ -+ component->control.type = MMAL_PORT_TYPE_CONTROL; -+ component->control.index = 0; -+ component->control.component = component; -+ spin_lock_init(&component->control.slock); -+ INIT_LIST_HEAD(&component->control.buffers); -+ ret = port_info_get(instance, &component->control); -+ if (ret < 0) -+ goto release_component; -+ -+ for (idx = 0; idx < component->inputs; idx++) { -+ component->input[idx].type = MMAL_PORT_TYPE_INPUT; -+ component->input[idx].index = idx; -+ component->input[idx].component = component; -+ spin_lock_init(&component->input[idx].slock); -+ INIT_LIST_HEAD(&component->input[idx].buffers); -+ ret = port_info_get(instance, &component->input[idx]); -+ if (ret < 0) -+ goto release_component; -+ } -+ -+ for (idx = 0; idx < component->outputs; idx++) { -+ component->output[idx].type = MMAL_PORT_TYPE_OUTPUT; -+ component->output[idx].index = idx; -+ component->output[idx].component = component; -+ spin_lock_init(&component->output[idx].slock); -+ INIT_LIST_HEAD(&component->output[idx].buffers); -+ ret = port_info_get(instance, &component->output[idx]); -+ if (ret < 0) -+ goto release_component; -+ } -+ -+ for (idx = 0; idx < component->clocks; idx++) { -+ component->clock[idx].type = MMAL_PORT_TYPE_CLOCK; -+ component->clock[idx].index = idx; -+ component->clock[idx].component = component; -+ spin_lock_init(&component->clock[idx].slock); -+ INIT_LIST_HEAD(&component->clock[idx].buffers); -+ ret = port_info_get(instance, &component->clock[idx]); -+ if (ret < 0) -+ goto release_component; -+ } -+ -+ instance->component_idx++; -+ -+ *component_out = component; -+ -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return 0; -+ -+release_component: -+ destroy_component(instance, component); -+unlock: -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_component_init); -+ -+/* -+ * cause a mmal component to be destroyed -+ */ -+int vchiq_mmal_component_finalise(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_component *component) -+{ -+ int ret; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ if (component->enabled) -+ ret = disable_component(instance, component); -+ -+ ret = destroy_component(instance, component); -+ -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_component_finalise); -+ -+/* -+ * cause a mmal component to be enabled -+ */ -+int vchiq_mmal_component_enable(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_component *component) -+{ -+ int ret; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ if (component->enabled) { -+ mutex_unlock(&instance->vchiq_mutex); -+ return 0; -+ } -+ -+ ret = enable_component(instance, component); -+ if (ret == 0) -+ component->enabled = true; -+ -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_component_enable); -+ -+/* -+ * cause a mmal component to be enabled -+ */ -+int vchiq_mmal_component_disable(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_component *component) -+{ -+ int ret; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ if (!component->enabled) { -+ mutex_unlock(&instance->vchiq_mutex); -+ return 0; -+ } -+ -+ ret = disable_component(instance, component); -+ if (ret == 0) -+ component->enabled = false; -+ -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_component_disable); -+ -+int vchiq_mmal_version(struct vchiq_mmal_instance *instance, -+ u32 *major_out, u32 *minor_out) -+{ -+ int ret; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ ret = get_version(instance, major_out, minor_out); -+ -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_version); -+ -+int vchiq_mmal_finalise(struct vchiq_mmal_instance *instance) -+{ -+ int status = 0; -+ -+ if (!instance) -+ return -EINVAL; -+ -+ if (mutex_lock_interruptible(&instance->vchiq_mutex)) -+ return -EINTR; -+ -+ vchi_service_use(instance->handle); -+ -+ status = vchi_service_close(instance->handle); -+ if (status != 0) -+ pr_err("mmal-vchiq: VCHIQ close failed\n"); -+ -+ mutex_unlock(&instance->vchiq_mutex); -+ -+ flush_workqueue(instance->bulk_wq); -+ destroy_workqueue(instance->bulk_wq); -+ -+ vfree(instance->bulk_scratch); -+ -+ idr_destroy(&instance->context_map); -+ -+ kfree(instance); -+ -+ return status; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_finalise); -+ -+int vchiq_mmal_init(struct vchiq_mmal_instance **out_instance) -+{ -+ int status; -+ struct vchiq_mmal_instance *instance; -+ static VCHI_CONNECTION_T *vchi_connection; -+ static VCHI_INSTANCE_T vchi_instance; -+ SERVICE_CREATION_T params = { -+ .version = VCHI_VERSION_EX(VC_MMAL_VER, VC_MMAL_MIN_VER), -+ .service_id = VC_MMAL_SERVER_NAME, -+ .connection = vchi_connection, -+ .rx_fifo_size = 0, -+ .tx_fifo_size = 0, -+ .callback = service_callback, -+ .callback_param = NULL, -+ .want_unaligned_bulk_rx = 1, -+ .want_unaligned_bulk_tx = 1, -+ .want_crc = 0 -+ }; -+ -+ /* compile time checks to ensure structure size as they are -+ * directly (de)serialised from memory. -+ */ -+ -+ /* ensure the header structure has packed to the correct size */ -+ BUILD_BUG_ON(sizeof(struct mmal_msg_header) != 24); -+ -+ /* ensure message structure does not exceed maximum length */ -+ BUILD_BUG_ON(sizeof(struct mmal_msg) > MMAL_MSG_MAX_SIZE); -+ -+ /* mmal port struct is correct size */ -+ BUILD_BUG_ON(sizeof(struct mmal_port) != 64); -+ -+ /* create a vchi instance */ -+ status = vchi_initialise(&vchi_instance); -+ if (status) { -+ pr_err("Failed to initialise VCHI instance (status=%d)\n", -+ status); -+ return -EIO; -+ } -+ -+ status = vchi_connect(NULL, 0, vchi_instance); -+ if (status) { -+ pr_err("Failed to connect VCHI instance (status=%d)\n", status); -+ return -EIO; -+ } -+ -+ instance = kzalloc(sizeof(*instance), GFP_KERNEL); -+ -+ if (!instance) -+ return -ENOMEM; -+ -+ mutex_init(&instance->vchiq_mutex); -+ -+ instance->bulk_scratch = vmalloc(PAGE_SIZE); -+ -+ mutex_init(&instance->context_map_lock); -+ idr_init_base(&instance->context_map, 1); -+ -+ params.callback_param = instance; -+ -+ instance->bulk_wq = alloc_ordered_workqueue("mmal-vchiq", -+ WQ_MEM_RECLAIM); -+ if (!instance->bulk_wq) -+ goto err_free; -+ -+ status = vchi_service_open(vchi_instance, ¶ms, &instance->handle); -+ if (status) { -+ pr_err("Failed to open VCHI service connection (status=%d)\n", -+ status); -+ goto err_close_services; -+ } -+ -+ vchi_service_release(instance->handle); -+ -+ *out_instance = instance; -+ -+ return 0; -+ -+err_close_services: -+ vchi_service_close(instance->handle); -+ destroy_workqueue(instance->bulk_wq); -+err_free: -+ vfree(instance->bulk_scratch); -+ kfree(instance); -+ return -ENODEV; -+} -+EXPORT_SYMBOL_GPL(vchiq_mmal_init); ---- a/drivers/staging/vc04_services/bcm2835-camera/mmal-common.h -+++ /dev/null -@@ -1,61 +0,0 @@ --/* SPDX-License-Identifier: GPL-2.0 */ --/* -- * Broadcom BM2835 V4L2 driver -- * -- * Copyright © 2013 Raspberry Pi (Trading) Ltd. -- * -- * Authors: Vincent Sanders @ Collabora -- * Dave Stevenson @ Broadcom -- * (now dave.stevenson@raspberrypi.org) -- * Simon Mellor @ Broadcom -- * Luke Diamand @ Broadcom -- * -- * MMAL structures -- * -- */ --#ifndef MMAL_COMMON_H --#define MMAL_COMMON_H -- --#define MMAL_FOURCC(a, b, c, d) ((a) | (b << 8) | (c << 16) | (d << 24)) --#define MMAL_MAGIC MMAL_FOURCC('m', 'm', 'a', 'l') -- --/** Special value signalling that time is not known */ --#define MMAL_TIME_UNKNOWN BIT_ULL(63) -- --struct mmal_msg_context; -- --/* mapping between v4l and mmal video modes */ --struct mmal_fmt { -- char *name; -- u32 fourcc; /* v4l2 format id */ -- int flags; /* v4l2 flags field */ -- u32 mmal; -- int depth; -- u32 mmal_component; /* MMAL component index to be used to encode */ -- u32 ybbp; /* depth of first Y plane for planar formats */ -- bool remove_padding; /* Does the GPU have to remove padding, -- * or can we do hide padding via bytesperline. -- */ --}; -- --/* buffer for one video frame */ --struct mmal_buffer { -- /* v4l buffer data -- must be first */ -- struct vb2_v4l2_buffer vb; -- -- /* list of buffers available */ -- struct list_head list; -- -- void *buffer; /* buffer pointer */ -- unsigned long buffer_size; /* size of allocated buffer */ -- -- struct mmal_msg_context *msg_context; --}; -- --/* */ --struct mmal_colourfx { -- s32 enable; -- u32 u; -- u32 v; --}; --#endif ---- a/drivers/staging/vc04_services/bcm2835-camera/mmal-encodings.h -+++ /dev/null -@@ -1,124 +0,0 @@ --/* SPDX-License-Identifier: GPL-2.0 */ --/* -- * Broadcom BM2835 V4L2 driver -- * -- * Copyright © 2013 Raspberry Pi (Trading) Ltd. -- * -- * Authors: Vincent Sanders @ Collabora -- * Dave Stevenson @ Broadcom -- * (now dave.stevenson@raspberrypi.org) -- * Simon Mellor @ Broadcom -- * Luke Diamand @ Broadcom -- */ --#ifndef MMAL_ENCODINGS_H --#define MMAL_ENCODINGS_H -- --#define MMAL_ENCODING_H264 MMAL_FOURCC('H', '2', '6', '4') --#define MMAL_ENCODING_H263 MMAL_FOURCC('H', '2', '6', '3') --#define MMAL_ENCODING_MP4V MMAL_FOURCC('M', 'P', '4', 'V') --#define MMAL_ENCODING_MP2V MMAL_FOURCC('M', 'P', '2', 'V') --#define MMAL_ENCODING_MP1V MMAL_FOURCC('M', 'P', '1', 'V') --#define MMAL_ENCODING_WMV3 MMAL_FOURCC('W', 'M', 'V', '3') --#define MMAL_ENCODING_WMV2 MMAL_FOURCC('W', 'M', 'V', '2') --#define MMAL_ENCODING_WMV1 MMAL_FOURCC('W', 'M', 'V', '1') --#define MMAL_ENCODING_WVC1 MMAL_FOURCC('W', 'V', 'C', '1') --#define MMAL_ENCODING_VP8 MMAL_FOURCC('V', 'P', '8', ' ') --#define MMAL_ENCODING_VP7 MMAL_FOURCC('V', 'P', '7', ' ') --#define MMAL_ENCODING_VP6 MMAL_FOURCC('V', 'P', '6', ' ') --#define MMAL_ENCODING_THEORA MMAL_FOURCC('T', 'H', 'E', 'O') --#define MMAL_ENCODING_SPARK MMAL_FOURCC('S', 'P', 'R', 'K') --#define MMAL_ENCODING_MJPEG MMAL_FOURCC('M', 'J', 'P', 'G') -- --#define MMAL_ENCODING_JPEG MMAL_FOURCC('J', 'P', 'E', 'G') --#define MMAL_ENCODING_GIF MMAL_FOURCC('G', 'I', 'F', ' ') --#define MMAL_ENCODING_PNG MMAL_FOURCC('P', 'N', 'G', ' ') --#define MMAL_ENCODING_PPM MMAL_FOURCC('P', 'P', 'M', ' ') --#define MMAL_ENCODING_TGA MMAL_FOURCC('T', 'G', 'A', ' ') --#define MMAL_ENCODING_BMP MMAL_FOURCC('B', 'M', 'P', ' ') -- --#define MMAL_ENCODING_I420 MMAL_FOURCC('I', '4', '2', '0') --#define MMAL_ENCODING_I420_SLICE MMAL_FOURCC('S', '4', '2', '0') --#define MMAL_ENCODING_YV12 MMAL_FOURCC('Y', 'V', '1', '2') --#define MMAL_ENCODING_I422 MMAL_FOURCC('I', '4', '2', '2') --#define MMAL_ENCODING_I422_SLICE MMAL_FOURCC('S', '4', '2', '2') --#define MMAL_ENCODING_YUYV MMAL_FOURCC('Y', 'U', 'Y', 'V') --#define MMAL_ENCODING_YVYU MMAL_FOURCC('Y', 'V', 'Y', 'U') --#define MMAL_ENCODING_UYVY MMAL_FOURCC('U', 'Y', 'V', 'Y') --#define MMAL_ENCODING_VYUY MMAL_FOURCC('V', 'Y', 'U', 'Y') --#define MMAL_ENCODING_NV12 MMAL_FOURCC('N', 'V', '1', '2') --#define MMAL_ENCODING_NV21 MMAL_FOURCC('N', 'V', '2', '1') --#define MMAL_ENCODING_ARGB MMAL_FOURCC('A', 'R', 'G', 'B') --#define MMAL_ENCODING_RGBA MMAL_FOURCC('R', 'G', 'B', 'A') --#define MMAL_ENCODING_ABGR MMAL_FOURCC('A', 'B', 'G', 'R') --#define MMAL_ENCODING_BGRA MMAL_FOURCC('B', 'G', 'R', 'A') --#define MMAL_ENCODING_RGB16 MMAL_FOURCC('R', 'G', 'B', '2') --#define MMAL_ENCODING_RGB24 MMAL_FOURCC('R', 'G', 'B', '3') --#define MMAL_ENCODING_RGB32 MMAL_FOURCC('R', 'G', 'B', '4') --#define MMAL_ENCODING_BGR16 MMAL_FOURCC('B', 'G', 'R', '2') --#define MMAL_ENCODING_BGR24 MMAL_FOURCC('B', 'G', 'R', '3') --#define MMAL_ENCODING_BGR32 MMAL_FOURCC('B', 'G', 'R', '4') -- --/** SAND Video (YUVUV128) format, native format understood by VideoCore. -- * This format is *not* opaque - if requested you will receive full frames -- * of YUV_UV video. -- */ --#define MMAL_ENCODING_YUVUV128 MMAL_FOURCC('S', 'A', 'N', 'D') -- --/** VideoCore opaque image format, image handles are returned to -- * the host but not the actual image data. -- */ --#define MMAL_ENCODING_OPAQUE MMAL_FOURCC('O', 'P', 'Q', 'V') -- --/** An EGL image handle -- */ --#define MMAL_ENCODING_EGL_IMAGE MMAL_FOURCC('E', 'G', 'L', 'I') -- --/* }@ */ -- --/** \name Pre-defined audio encodings */ --/* @{ */ --#define MMAL_ENCODING_PCM_UNSIGNED_BE MMAL_FOURCC('P', 'C', 'M', 'U') --#define MMAL_ENCODING_PCM_UNSIGNED_LE MMAL_FOURCC('p', 'c', 'm', 'u') --#define MMAL_ENCODING_PCM_SIGNED_BE MMAL_FOURCC('P', 'C', 'M', 'S') --#define MMAL_ENCODING_PCM_SIGNED_LE MMAL_FOURCC('p', 'c', 'm', 's') --#define MMAL_ENCODING_PCM_FLOAT_BE MMAL_FOURCC('P', 'C', 'M', 'F') --#define MMAL_ENCODING_PCM_FLOAT_LE MMAL_FOURCC('p', 'c', 'm', 'f') -- --/* Pre-defined H264 encoding variants */ -- --/** ISO 14496-10 Annex B byte stream format */ --#define MMAL_ENCODING_VARIANT_H264_DEFAULT 0 --/** ISO 14496-15 AVC stream format */ --#define MMAL_ENCODING_VARIANT_H264_AVC1 MMAL_FOURCC('A', 'V', 'C', '1') --/** Implicitly delineated NAL units without emulation prevention */ --#define MMAL_ENCODING_VARIANT_H264_RAW MMAL_FOURCC('R', 'A', 'W', ' ') -- --/** \defgroup MmalColorSpace List of pre-defined video color spaces -- * This defines a list of common color spaces. This list isn't exhaustive and -- * is only provided as a convenience to avoid clients having to use FourCC -- * codes directly. However components are allowed to define and use their own -- * FourCC codes. -- */ --/* @{ */ -- --/** Unknown color space */ --#define MMAL_COLOR_SPACE_UNKNOWN 0 --/** ITU-R BT.601-5 [SDTV] */ --#define MMAL_COLOR_SPACE_ITUR_BT601 MMAL_FOURCC('Y', '6', '0', '1') --/** ITU-R BT.709-3 [HDTV] */ --#define MMAL_COLOR_SPACE_ITUR_BT709 MMAL_FOURCC('Y', '7', '0', '9') --/** JPEG JFIF */ --#define MMAL_COLOR_SPACE_JPEG_JFIF MMAL_FOURCC('Y', 'J', 'F', 'I') --/** Title 47 Code of Federal Regulations (2003) 73.682 (a) (20) */ --#define MMAL_COLOR_SPACE_FCC MMAL_FOURCC('Y', 'F', 'C', 'C') --/** Society of Motion Picture and Television Engineers 240M (1999) */ --#define MMAL_COLOR_SPACE_SMPTE240M MMAL_FOURCC('Y', '2', '4', '0') --/** ITU-R BT.470-2 System M */ --#define MMAL_COLOR_SPACE_BT470_2_M MMAL_FOURCC('Y', '_', '_', 'M') --/** ITU-R BT.470-2 System BG */ --#define MMAL_COLOR_SPACE_BT470_2_BG MMAL_FOURCC('Y', '_', 'B', 'G') --/** JPEG JFIF, but with 16..255 luma */ --#define MMAL_COLOR_SPACE_JFIF_Y16_255 MMAL_FOURCC('Y', 'Y', '1', '6') --/* @} MmalColorSpace List */ -- --#endif /* MMAL_ENCODINGS_H */ ---- a/drivers/staging/vc04_services/bcm2835-camera/mmal-msg-common.h -+++ /dev/null -@@ -1,48 +0,0 @@ --/* SPDX-License-Identifier: GPL-2.0 */ --/* -- * Broadcom BM2835 V4L2 driver -- * -- * Copyright © 2013 Raspberry Pi (Trading) Ltd. -- * -- * Authors: Vincent Sanders @ Collabora -- * Dave Stevenson @ Broadcom -- * (now dave.stevenson@raspberrypi.org) -- * Simon Mellor @ Broadcom -- * Luke Diamand @ Broadcom -- */ -- --#ifndef MMAL_MSG_COMMON_H --#define MMAL_MSG_COMMON_H -- --enum mmal_msg_status { -- MMAL_MSG_STATUS_SUCCESS = 0, /**< Success */ -- MMAL_MSG_STATUS_ENOMEM, /**< Out of memory */ -- MMAL_MSG_STATUS_ENOSPC, /**< Out of resources other than memory */ -- MMAL_MSG_STATUS_EINVAL, /**< Argument is invalid */ -- MMAL_MSG_STATUS_ENOSYS, /**< Function not implemented */ -- MMAL_MSG_STATUS_ENOENT, /**< No such file or directory */ -- MMAL_MSG_STATUS_ENXIO, /**< No such device or address */ -- MMAL_MSG_STATUS_EIO, /**< I/O error */ -- MMAL_MSG_STATUS_ESPIPE, /**< Illegal seek */ -- MMAL_MSG_STATUS_ECORRUPT, /**< Data is corrupt \attention */ -- MMAL_MSG_STATUS_ENOTREADY, /**< Component is not ready */ -- MMAL_MSG_STATUS_ECONFIG, /**< Component is not configured */ -- MMAL_MSG_STATUS_EISCONN, /**< Port is already connected */ -- MMAL_MSG_STATUS_ENOTCONN, /**< Port is disconnected */ -- MMAL_MSG_STATUS_EAGAIN, /**< Resource temporarily unavailable. */ -- MMAL_MSG_STATUS_EFAULT, /**< Bad address */ --}; -- --struct mmal_rect { -- s32 x; /**< x coordinate (from left) */ -- s32 y; /**< y coordinate (from top) */ -- s32 width; /**< width */ -- s32 height; /**< height */ --}; -- --struct mmal_rational { -- s32 num; /**< Numerator */ -- s32 den; /**< Denominator */ --}; -- --#endif /* MMAL_MSG_COMMON_H */ ---- a/drivers/staging/vc04_services/bcm2835-camera/mmal-msg-format.h -+++ /dev/null -@@ -1,106 +0,0 @@ --/* SPDX-License-Identifier: GPL-2.0 */ --/* -- * Broadcom BM2835 V4L2 driver -- * -- * Copyright © 2013 Raspberry Pi (Trading) Ltd. -- * -- * Authors: Vincent Sanders @ Collabora -- * Dave Stevenson @ Broadcom -- * (now dave.stevenson@raspberrypi.org) -- * Simon Mellor @ Broadcom -- * Luke Diamand @ Broadcom -- */ -- --#ifndef MMAL_MSG_FORMAT_H --#define MMAL_MSG_FORMAT_H -- --#include "mmal-msg-common.h" -- --/* MMAL_ES_FORMAT_T */ -- --struct mmal_audio_format { -- u32 channels; /* Number of audio channels */ -- u32 sample_rate; /* Sample rate */ -- -- u32 bits_per_sample; /* Bits per sample */ -- u32 block_align; /* Size of a block of data */ --}; -- --struct mmal_video_format { -- u32 width; /* Width of frame in pixels */ -- u32 height; /* Height of frame in rows of pixels */ -- struct mmal_rect crop; /* Visible region of the frame */ -- struct mmal_rational frame_rate; /* Frame rate */ -- struct mmal_rational par; /* Pixel aspect ratio */ -- -- /* -- * FourCC specifying the color space of the video stream. See the -- * MmalColorSpace "pre-defined color spaces" for some examples. -- */ -- u32 color_space; --}; -- --struct mmal_subpicture_format { -- u32 x_offset; -- u32 y_offset; --}; -- --union mmal_es_specific_format { -- struct mmal_audio_format audio; -- struct mmal_video_format video; -- struct mmal_subpicture_format subpicture; --}; -- --/* Definition of an elementary stream format (MMAL_ES_FORMAT_T) */ --struct mmal_es_format_local { -- u32 type; /* enum mmal_es_type */ -- -- u32 encoding; /* FourCC specifying encoding of the elementary -- * stream. -- */ -- u32 encoding_variant; /* FourCC specifying the specific -- * encoding variant of the elementary -- * stream. -- */ -- -- union mmal_es_specific_format *es; /* Type specific -- * information for the -- * elementary stream -- */ -- -- u32 bitrate; /* Bitrate in bits per second */ -- u32 flags; /* Flags describing properties of the elementary -- * stream. -- */ -- -- u32 extradata_size; /* Size of the codec specific data */ -- u8 *extradata; /* Codec specific data */ --}; -- --/* Remote definition of an elementary stream format (MMAL_ES_FORMAT_T) */ --struct mmal_es_format { -- u32 type; /* enum mmal_es_type */ -- -- u32 encoding; /* FourCC specifying encoding of the elementary -- * stream. -- */ -- u32 encoding_variant; /* FourCC specifying the specific -- * encoding variant of the elementary -- * stream. -- */ -- -- u32 es; /* Type specific -- * information for the -- * elementary stream -- */ -- -- u32 bitrate; /* Bitrate in bits per second */ -- u32 flags; /* Flags describing properties of the elementary -- * stream. -- */ -- -- u32 extradata_size; /* Size of the codec specific data */ -- u32 extradata; /* Codec specific data */ --}; -- --#endif /* MMAL_MSG_FORMAT_H */ ---- a/drivers/staging/vc04_services/bcm2835-camera/mmal-msg-port.h -+++ /dev/null -@@ -1,109 +0,0 @@ --/* SPDX-License-Identifier: GPL-2.0 */ --/* -- * Broadcom BM2835 V4L2 driver -- * -- * Copyright © 2013 Raspberry Pi (Trading) Ltd. -- * -- * Authors: Vincent Sanders @ Collabora -- * Dave Stevenson @ Broadcom -- * (now dave.stevenson@raspberrypi.org) -- * Simon Mellor @ Broadcom -- * Luke Diamand @ Broadcom -- */ -- --/* MMAL_PORT_TYPE_T */ --enum mmal_port_type { -- MMAL_PORT_TYPE_UNKNOWN = 0, /* Unknown port type */ -- MMAL_PORT_TYPE_CONTROL, /* Control port */ -- MMAL_PORT_TYPE_INPUT, /* Input port */ -- MMAL_PORT_TYPE_OUTPUT, /* Output port */ -- MMAL_PORT_TYPE_CLOCK, /* Clock port */ --}; -- --/* The port is pass-through and doesn't need buffer headers allocated */ --#define MMAL_PORT_CAPABILITY_PASSTHROUGH 0x01 --/* -- *The port wants to allocate the buffer payloads. -- * This signals a preference that payload allocation should be done -- * on this port for efficiency reasons. -- */ --#define MMAL_PORT_CAPABILITY_ALLOCATION 0x02 --/* -- * The port supports format change events. -- * This applies to input ports and is used to let the client know -- * whether the port supports being reconfigured via a format -- * change event (i.e. without having to disable the port). -- */ --#define MMAL_PORT_CAPABILITY_SUPPORTS_EVENT_FORMAT_CHANGE 0x04 -- --/* -- * mmal port structure (MMAL_PORT_T) -- * -- * most elements are informational only, the pointer values for -- * interogation messages are generally provided as additional -- * structures within the message. When used to set values only the -- * buffer_num, buffer_size and userdata parameters are writable. -- */ --struct mmal_port { -- u32 priv; /* Private member used by the framework */ -- u32 name; /* Port name. Used for debugging purposes (RO) */ -- -- u32 type; /* Type of the port (RO) enum mmal_port_type */ -- u16 index; /* Index of the port in its type list (RO) */ -- u16 index_all; /* Index of the port in the list of all ports (RO) */ -- -- u32 is_enabled; /* Indicates whether the port is enabled or not (RO) */ -- u32 format; /* Format of the elementary stream */ -- -- u32 buffer_num_min; /* Minimum number of buffers the port -- * requires (RO). This is set by the -- * component. -- */ -- -- u32 buffer_size_min; /* Minimum size of buffers the port -- * requires (RO). This is set by the -- * component. -- */ -- -- u32 buffer_alignment_min;/* Minimum alignment requirement for -- * the buffers (RO). A value of -- * zero means no special alignment -- * requirements. This is set by the -- * component. -- */ -- -- u32 buffer_num_recommended; /* Number of buffers the port -- * recommends for optimal -- * performance (RO). A value of -- * zero means no special -- * recommendation. This is set -- * by the component. -- */ -- -- u32 buffer_size_recommended; /* Size of buffers the port -- * recommends for optimal -- * performance (RO). A value of -- * zero means no special -- * recommendation. This is set -- * by the component. -- */ -- -- u32 buffer_num; /* Actual number of buffers the port will use. -- * This is set by the client. -- */ -- -- u32 buffer_size; /* Actual maximum size of the buffers that -- * will be sent to the port. This is set by -- * the client. -- */ -- -- u32 component; /* Component this port belongs to (Read Only) */ -- -- u32 userdata; /* Field reserved for use by the client */ -- -- u32 capabilities; /* Flags describing the capabilities of a -- * port (RO). Bitwise combination of \ref -- * portcapabilities "Port capabilities" -- * values. -- */ --}; ---- a/drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h -+++ /dev/null -@@ -1,406 +0,0 @@ --/* SPDX-License-Identifier: GPL-2.0 */ --/* -- * Broadcom BM2835 V4L2 driver -- * -- * Copyright © 2013 Raspberry Pi (Trading) Ltd. -- * -- * Authors: Vincent Sanders @ Collabora -- * Dave Stevenson @ Broadcom -- * (now dave.stevenson@raspberrypi.org) -- * Simon Mellor @ Broadcom -- * Luke Diamand @ Broadcom -- */ -- --/* -- * all the data structures which serialise the MMAL protocol. note -- * these are directly mapped onto the recived message data. -- * -- * BEWARE: They seem to *assume* pointers are u32 and that there is no -- * structure padding! -- * -- * NOTE: this implementation uses kernel types to ensure sizes. Rather -- * than assigning values to enums to force their size the -- * implementation uses fixed size types and not the enums (though the -- * comments have the actual enum type -- */ --#ifndef MMAL_MSG_H --#define MMAL_MSG_H -- --#define VC_MMAL_VER 15 --#define VC_MMAL_MIN_VER 10 --#define VC_MMAL_SERVER_NAME MAKE_FOURCC("mmal") -- --/* max total message size is 512 bytes */ --#define MMAL_MSG_MAX_SIZE 512 --/* with six 32bit header elements max payload is therefore 488 bytes */ --#define MMAL_MSG_MAX_PAYLOAD 488 -- --#include "mmal-msg-common.h" --#include "mmal-msg-format.h" --#include "mmal-msg-port.h" -- --enum mmal_msg_type { -- MMAL_MSG_TYPE_QUIT = 1, -- MMAL_MSG_TYPE_SERVICE_CLOSED, -- MMAL_MSG_TYPE_GET_VERSION, -- MMAL_MSG_TYPE_COMPONENT_CREATE, -- MMAL_MSG_TYPE_COMPONENT_DESTROY, /* 5 */ -- MMAL_MSG_TYPE_COMPONENT_ENABLE, -- MMAL_MSG_TYPE_COMPONENT_DISABLE, -- MMAL_MSG_TYPE_PORT_INFO_GET, -- MMAL_MSG_TYPE_PORT_INFO_SET, -- MMAL_MSG_TYPE_PORT_ACTION, /* 10 */ -- MMAL_MSG_TYPE_BUFFER_FROM_HOST, -- MMAL_MSG_TYPE_BUFFER_TO_HOST, -- MMAL_MSG_TYPE_GET_STATS, -- MMAL_MSG_TYPE_PORT_PARAMETER_SET, -- MMAL_MSG_TYPE_PORT_PARAMETER_GET, /* 15 */ -- MMAL_MSG_TYPE_EVENT_TO_HOST, -- MMAL_MSG_TYPE_GET_CORE_STATS_FOR_PORT, -- MMAL_MSG_TYPE_OPAQUE_ALLOCATOR, -- MMAL_MSG_TYPE_CONSUME_MEM, -- MMAL_MSG_TYPE_LMK, /* 20 */ -- MMAL_MSG_TYPE_OPAQUE_ALLOCATOR_DESC, -- MMAL_MSG_TYPE_DRM_GET_LHS32, -- MMAL_MSG_TYPE_DRM_GET_TIME, -- MMAL_MSG_TYPE_BUFFER_FROM_HOST_ZEROLEN, -- MMAL_MSG_TYPE_PORT_FLUSH, /* 25 */ -- MMAL_MSG_TYPE_HOST_LOG, -- MMAL_MSG_TYPE_MSG_LAST --}; -- --/* port action request messages differ depending on the action type */ --enum mmal_msg_port_action_type { -- MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0, /* Unknown action */ -- MMAL_MSG_PORT_ACTION_TYPE_ENABLE, /* Enable a port */ -- MMAL_MSG_PORT_ACTION_TYPE_DISABLE, /* Disable a port */ -- MMAL_MSG_PORT_ACTION_TYPE_FLUSH, /* Flush a port */ -- MMAL_MSG_PORT_ACTION_TYPE_CONNECT, /* Connect ports */ -- MMAL_MSG_PORT_ACTION_TYPE_DISCONNECT, /* Disconnect ports */ -- MMAL_MSG_PORT_ACTION_TYPE_SET_REQUIREMENTS, /* Set buffer requirements*/ --}; -- --struct mmal_msg_header { -- u32 magic; -- u32 type; /* enum mmal_msg_type */ -- -- /* Opaque handle to the control service */ -- u32 control_service; -- -- u32 context; /* a u32 per message context */ -- u32 status; /* The status of the vchiq operation */ -- u32 padding; --}; -- --/* Send from VC to host to report version */ --struct mmal_msg_version { -- u32 flags; -- u32 major; -- u32 minor; -- u32 minimum; --}; -- --/* request to VC to create component */ --struct mmal_msg_component_create { -- u32 client_component; /* component context */ -- char name[128]; -- u32 pid; /* For debug */ --}; -- --/* reply from VC to component creation request */ --struct mmal_msg_component_create_reply { -- u32 status; /* enum mmal_msg_status - how does this differ to -- * the one in the header? -- */ -- u32 component_handle; /* VideoCore handle for component */ -- u32 input_num; /* Number of input ports */ -- u32 output_num; /* Number of output ports */ -- u32 clock_num; /* Number of clock ports */ --}; -- --/* request to VC to destroy a component */ --struct mmal_msg_component_destroy { -- u32 component_handle; --}; -- --struct mmal_msg_component_destroy_reply { -- u32 status; /* The component destruction status */ --}; -- --/* request and reply to VC to enable a component */ --struct mmal_msg_component_enable { -- u32 component_handle; --}; -- --struct mmal_msg_component_enable_reply { -- u32 status; /* The component enable status */ --}; -- --/* request and reply to VC to disable a component */ --struct mmal_msg_component_disable { -- u32 component_handle; --}; -- --struct mmal_msg_component_disable_reply { -- u32 status; /* The component disable status */ --}; -- --/* request to VC to get port information */ --struct mmal_msg_port_info_get { -- u32 component_handle; /* component handle port is associated with */ -- u32 port_type; /* enum mmal_msg_port_type */ -- u32 index; /* port index to query */ --}; -- --/* reply from VC to get port info request */ --struct mmal_msg_port_info_get_reply { -- u32 status; /* enum mmal_msg_status */ -- u32 component_handle; /* component handle port is associated with */ -- u32 port_type; /* enum mmal_msg_port_type */ -- u32 port_index; /* port indexed in query */ -- s32 found; /* unused */ -- u32 port_handle; /* Handle to use for this port */ -- struct mmal_port port; -- struct mmal_es_format format; /* elementary stream format */ -- union mmal_es_specific_format es; /* es type specific data */ -- u8 extradata[MMAL_FORMAT_EXTRADATA_MAX_SIZE]; /* es extra data */ --}; -- --/* request to VC to set port information */ --struct mmal_msg_port_info_set { -- u32 component_handle; -- u32 port_type; /* enum mmal_msg_port_type */ -- u32 port_index; /* port indexed in query */ -- struct mmal_port port; -- struct mmal_es_format format; -- union mmal_es_specific_format es; -- u8 extradata[MMAL_FORMAT_EXTRADATA_MAX_SIZE]; --}; -- --/* reply from VC to port info set request */ --struct mmal_msg_port_info_set_reply { -- u32 status; -- u32 component_handle; /* component handle port is associated with */ -- u32 port_type; /* enum mmal_msg_port_type */ -- u32 index; /* port indexed in query */ -- s32 found; /* unused */ -- u32 port_handle; /* Handle to use for this port */ -- struct mmal_port port; -- struct mmal_es_format format; -- union mmal_es_specific_format es; -- u8 extradata[MMAL_FORMAT_EXTRADATA_MAX_SIZE]; --}; -- --/* port action requests that take a mmal_port as a parameter */ --struct mmal_msg_port_action_port { -- u32 component_handle; -- u32 port_handle; -- u32 action; /* enum mmal_msg_port_action_type */ -- struct mmal_port port; --}; -- --/* port action requests that take handles as a parameter */ --struct mmal_msg_port_action_handle { -- u32 component_handle; -- u32 port_handle; -- u32 action; /* enum mmal_msg_port_action_type */ -- u32 connect_component_handle; -- u32 connect_port_handle; --}; -- --struct mmal_msg_port_action_reply { -- u32 status; /* The port action operation status */ --}; -- --/* MMAL buffer transfer */ -- --/* Size of space reserved in a buffer message for short messages. */ --#define MMAL_VC_SHORT_DATA 128 -- --/* Signals that the current payload is the end of the stream of data */ --#define MMAL_BUFFER_HEADER_FLAG_EOS BIT(0) --/* Signals that the start of the current payload starts a frame */ --#define MMAL_BUFFER_HEADER_FLAG_FRAME_START BIT(1) --/* Signals that the end of the current payload ends a frame */ --#define MMAL_BUFFER_HEADER_FLAG_FRAME_END BIT(2) --/* Signals that the current payload contains only complete frames (>1) */ --#define MMAL_BUFFER_HEADER_FLAG_FRAME \ -- (MMAL_BUFFER_HEADER_FLAG_FRAME_START | \ -- MMAL_BUFFER_HEADER_FLAG_FRAME_END) --/* Signals that the current payload is a keyframe (i.e. self decodable) */ --#define MMAL_BUFFER_HEADER_FLAG_KEYFRAME BIT(3) --/* -- * Signals a discontinuity in the stream of data (e.g. after a seek). -- * Can be used for instance by a decoder to reset its state -- */ --#define MMAL_BUFFER_HEADER_FLAG_DISCONTINUITY BIT(4) --/* -- * Signals a buffer containing some kind of config data for the component -- * (e.g. codec config data) -- */ --#define MMAL_BUFFER_HEADER_FLAG_CONFIG BIT(5) --/* Signals an encrypted payload */ --#define MMAL_BUFFER_HEADER_FLAG_ENCRYPTED BIT(6) --/* Signals a buffer containing side information */ --#define MMAL_BUFFER_HEADER_FLAG_CODECSIDEINFO BIT(7) --/* -- * Signals a buffer which is the snapshot/postview image from a stills -- * capture -- */ --#define MMAL_BUFFER_HEADER_FLAGS_SNAPSHOT BIT(8) --/* Signals a buffer which contains data known to be corrupted */ --#define MMAL_BUFFER_HEADER_FLAG_CORRUPTED BIT(9) --/* Signals that a buffer failed to be transmitted */ --#define MMAL_BUFFER_HEADER_FLAG_TRANSMISSION_FAILED BIT(10) -- --struct mmal_driver_buffer { -- u32 magic; -- u32 component_handle; -- u32 port_handle; -- u32 client_context; --}; -- --/* buffer header */ --struct mmal_buffer_header { -- u32 next; /* next header */ -- u32 priv; /* framework private data */ -- u32 cmd; -- u32 data; -- u32 alloc_size; -- u32 length; -- u32 offset; -- u32 flags; -- s64 pts; -- s64 dts; -- u32 type; -- u32 user_data; --}; -- --struct mmal_buffer_header_type_specific { -- union { -- struct { -- u32 planes; -- u32 offset[4]; -- u32 pitch[4]; -- u32 flags; -- } video; -- } u; --}; -- --struct mmal_msg_buffer_from_host { -- /* -- *The front 32 bytes of the buffer header are copied -- * back to us in the reply to allow for context. This -- * area is used to store two mmal_driver_buffer structures to -- * allow for multiple concurrent service users. -- */ -- /* control data */ -- struct mmal_driver_buffer drvbuf; -- -- /* referenced control data for passthrough buffer management */ -- struct mmal_driver_buffer drvbuf_ref; -- struct mmal_buffer_header buffer_header; /* buffer header itself */ -- struct mmal_buffer_header_type_specific buffer_header_type_specific; -- s32 is_zero_copy; -- s32 has_reference; -- -- /* allows short data to be xfered in control message */ -- u32 payload_in_message; -- u8 short_data[MMAL_VC_SHORT_DATA]; --}; -- --/* port parameter setting */ -- --#define MMAL_WORKER_PORT_PARAMETER_SPACE 96 -- --struct mmal_msg_port_parameter_set { -- u32 component_handle; /* component */ -- u32 port_handle; /* port */ -- u32 id; /* Parameter ID */ -- u32 size; /* Parameter size */ -- uint32_t value[MMAL_WORKER_PORT_PARAMETER_SPACE]; --}; -- --struct mmal_msg_port_parameter_set_reply { -- u32 status; /* enum mmal_msg_status todo: how does this -- * differ to the one in the header? -- */ --}; -- --/* port parameter getting */ -- --struct mmal_msg_port_parameter_get { -- u32 component_handle; /* component */ -- u32 port_handle; /* port */ -- u32 id; /* Parameter ID */ -- u32 size; /* Parameter size */ --}; -- --struct mmal_msg_port_parameter_get_reply { -- u32 status; /* Status of mmal_port_parameter_get call */ -- u32 id; /* Parameter ID */ -- u32 size; /* Parameter size */ -- uint32_t value[MMAL_WORKER_PORT_PARAMETER_SPACE]; --}; -- --/* event messages */ --#define MMAL_WORKER_EVENT_SPACE 256 -- --struct mmal_msg_event_to_host { -- u32 client_component; /* component context */ -- -- u32 port_type; -- u32 port_num; -- -- u32 cmd; -- u32 length; -- u8 data[MMAL_WORKER_EVENT_SPACE]; -- u32 delayed_buffer; --}; -- --/* all mmal messages are serialised through this structure */ --struct mmal_msg { -- /* header */ -- struct mmal_msg_header h; -- /* payload */ -- union { -- struct mmal_msg_version version; -- -- struct mmal_msg_component_create component_create; -- struct mmal_msg_component_create_reply component_create_reply; -- -- struct mmal_msg_component_destroy component_destroy; -- struct mmal_msg_component_destroy_reply component_destroy_reply; -- -- struct mmal_msg_component_enable component_enable; -- struct mmal_msg_component_enable_reply component_enable_reply; -- -- struct mmal_msg_component_disable component_disable; -- struct mmal_msg_component_disable_reply component_disable_reply; -- -- struct mmal_msg_port_info_get port_info_get; -- struct mmal_msg_port_info_get_reply port_info_get_reply; -- -- struct mmal_msg_port_info_set port_info_set; -- struct mmal_msg_port_info_set_reply port_info_set_reply; -- -- struct mmal_msg_port_action_port port_action_port; -- struct mmal_msg_port_action_handle port_action_handle; -- struct mmal_msg_port_action_reply port_action_reply; -- -- struct mmal_msg_buffer_from_host buffer_from_host; -- -- struct mmal_msg_port_parameter_set port_parameter_set; -- struct mmal_msg_port_parameter_set_reply -- port_parameter_set_reply; -- struct mmal_msg_port_parameter_get -- port_parameter_get; -- struct mmal_msg_port_parameter_get_reply -- port_parameter_get_reply; -- -- struct mmal_msg_event_to_host event_to_host; -- -- u8 payload[MMAL_MSG_MAX_PAYLOAD]; -- } u; --}; --#endif ---- a/drivers/staging/vc04_services/bcm2835-camera/mmal-parameters.h -+++ /dev/null -@@ -1,755 +0,0 @@ --/* SPDX-License-Identifier: GPL-2.0 */ --/* -- * Broadcom BM2835 V4L2 driver -- * -- * Copyright © 2013 Raspberry Pi (Trading) Ltd. -- * -- * Authors: Vincent Sanders @ Collabora -- * Dave Stevenson @ Broadcom -- * (now dave.stevenson@raspberrypi.org) -- * Simon Mellor @ Broadcom -- * Luke Diamand @ Broadcom -- */ -- --/* common parameters */ -- --/** @name Parameter groups -- * Parameters are divided into groups, and then allocated sequentially within -- * a group using an enum. -- * @{ -- */ -- --#ifndef MMAL_PARAMETERS_H --#define MMAL_PARAMETERS_H -- --/** Common parameter ID group, used with many types of component. */ --#define MMAL_PARAMETER_GROUP_COMMON (0 << 16) --/** Camera-specific parameter ID group. */ --#define MMAL_PARAMETER_GROUP_CAMERA (1 << 16) --/** Video-specific parameter ID group. */ --#define MMAL_PARAMETER_GROUP_VIDEO (2 << 16) --/** Audio-specific parameter ID group. */ --#define MMAL_PARAMETER_GROUP_AUDIO (3 << 16) --/** Clock-specific parameter ID group. */ --#define MMAL_PARAMETER_GROUP_CLOCK (4 << 16) --/** Miracast-specific parameter ID group. */ --#define MMAL_PARAMETER_GROUP_MIRACAST (5 << 16) -- --/* Common parameters */ --enum mmal_parameter_common_type { -- /**< Never a valid parameter ID */ -- MMAL_PARAMETER_UNUSED = MMAL_PARAMETER_GROUP_COMMON, -- -- /**< MMAL_PARAMETER_ENCODING_T */ -- MMAL_PARAMETER_SUPPORTED_ENCODINGS, -- /**< MMAL_PARAMETER_URI_T */ -- MMAL_PARAMETER_URI, -- /** MMAL_PARAMETER_CHANGE_EVENT_REQUEST_T */ -- MMAL_PARAMETER_CHANGE_EVENT_REQUEST, -- /** MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_ZERO_COPY, -- /**< MMAL_PARAMETER_BUFFER_REQUIREMENTS_T */ -- MMAL_PARAMETER_BUFFER_REQUIREMENTS, -- /**< MMAL_PARAMETER_STATISTICS_T */ -- MMAL_PARAMETER_STATISTICS, -- /**< MMAL_PARAMETER_CORE_STATISTICS_T */ -- MMAL_PARAMETER_CORE_STATISTICS, -- /**< MMAL_PARAMETER_MEM_USAGE_T */ -- MMAL_PARAMETER_MEM_USAGE, -- /**< MMAL_PARAMETER_UINT32_T */ -- MMAL_PARAMETER_BUFFER_FLAG_FILTER, -- /**< MMAL_PARAMETER_SEEK_T */ -- MMAL_PARAMETER_SEEK, -- /**< MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_POWERMON_ENABLE, -- /**< MMAL_PARAMETER_LOGGING_T */ -- MMAL_PARAMETER_LOGGING, -- /**< MMAL_PARAMETER_UINT64_T */ -- MMAL_PARAMETER_SYSTEM_TIME, -- /**< MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_NO_IMAGE_PADDING, --}; -- --/* camera parameters */ -- --enum mmal_parameter_camera_type { -- /* 0 */ -- /** @ref MMAL_PARAMETER_THUMBNAIL_CONFIG_T */ -- MMAL_PARAMETER_THUMBNAIL_CONFIGURATION = -- MMAL_PARAMETER_GROUP_CAMERA, -- /**< Unused? */ -- MMAL_PARAMETER_CAPTURE_QUALITY, -- /**< @ref MMAL_PARAMETER_INT32_T */ -- MMAL_PARAMETER_ROTATION, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_EXIF_DISABLE, -- /**< @ref MMAL_PARAMETER_EXIF_T */ -- MMAL_PARAMETER_EXIF, -- /**< @ref MMAL_PARAM_AWBMODE_T */ -- MMAL_PARAMETER_AWB_MODE, -- /**< @ref MMAL_PARAMETER_IMAGEFX_T */ -- MMAL_PARAMETER_IMAGE_EFFECT, -- /**< @ref MMAL_PARAMETER_COLOURFX_T */ -- MMAL_PARAMETER_COLOUR_EFFECT, -- /**< @ref MMAL_PARAMETER_FLICKERAVOID_T */ -- MMAL_PARAMETER_FLICKER_AVOID, -- /**< @ref MMAL_PARAMETER_FLASH_T */ -- MMAL_PARAMETER_FLASH, -- /**< @ref MMAL_PARAMETER_REDEYE_T */ -- MMAL_PARAMETER_REDEYE, -- /**< @ref MMAL_PARAMETER_FOCUS_T */ -- MMAL_PARAMETER_FOCUS, -- /**< Unused? */ -- MMAL_PARAMETER_FOCAL_LENGTHS, -- /**< @ref MMAL_PARAMETER_INT32_T */ -- MMAL_PARAMETER_EXPOSURE_COMP, -- /**< @ref MMAL_PARAMETER_SCALEFACTOR_T */ -- MMAL_PARAMETER_ZOOM, -- /**< @ref MMAL_PARAMETER_MIRROR_T */ -- MMAL_PARAMETER_MIRROR, -- -- /* 0x10 */ -- /**< @ref MMAL_PARAMETER_UINT32_T */ -- MMAL_PARAMETER_CAMERA_NUM, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_CAPTURE, -- /**< @ref MMAL_PARAMETER_EXPOSUREMODE_T */ -- MMAL_PARAMETER_EXPOSURE_MODE, -- /**< @ref MMAL_PARAMETER_EXPOSUREMETERINGMODE_T */ -- MMAL_PARAMETER_EXP_METERING_MODE, -- /**< @ref MMAL_PARAMETER_FOCUS_STATUS_T */ -- MMAL_PARAMETER_FOCUS_STATUS, -- /**< @ref MMAL_PARAMETER_CAMERA_CONFIG_T */ -- MMAL_PARAMETER_CAMERA_CONFIG, -- /**< @ref MMAL_PARAMETER_CAPTURE_STATUS_T */ -- MMAL_PARAMETER_CAPTURE_STATUS, -- /**< @ref MMAL_PARAMETER_FACE_TRACK_T */ -- MMAL_PARAMETER_FACE_TRACK, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_DRAW_BOX_FACES_AND_FOCUS, -- /**< @ref MMAL_PARAMETER_UINT32_T */ -- MMAL_PARAMETER_JPEG_Q_FACTOR, -- /**< @ref MMAL_PARAMETER_FRAME_RATE_T */ -- MMAL_PARAMETER_FRAME_RATE, -- /**< @ref MMAL_PARAMETER_CAMERA_STC_MODE_T */ -- MMAL_PARAMETER_USE_STC, -- /**< @ref MMAL_PARAMETER_CAMERA_INFO_T */ -- MMAL_PARAMETER_CAMERA_INFO, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_VIDEO_STABILISATION, -- /**< @ref MMAL_PARAMETER_FACE_TRACK_RESULTS_T */ -- MMAL_PARAMETER_FACE_TRACK_RESULTS, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_ENABLE_RAW_CAPTURE, -- -- /* 0x20 */ -- /**< @ref MMAL_PARAMETER_URI_T */ -- MMAL_PARAMETER_DPF_FILE, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_ENABLE_DPF_FILE, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_DPF_FAIL_IS_FATAL, -- /**< @ref MMAL_PARAMETER_CAPTUREMODE_T */ -- MMAL_PARAMETER_CAPTURE_MODE, -- /**< @ref MMAL_PARAMETER_FOCUS_REGIONS_T */ -- MMAL_PARAMETER_FOCUS_REGIONS, -- /**< @ref MMAL_PARAMETER_INPUT_CROP_T */ -- MMAL_PARAMETER_INPUT_CROP, -- /**< @ref MMAL_PARAMETER_SENSOR_INFORMATION_T */ -- MMAL_PARAMETER_SENSOR_INFORMATION, -- /**< @ref MMAL_PARAMETER_FLASH_SELECT_T */ -- MMAL_PARAMETER_FLASH_SELECT, -- /**< @ref MMAL_PARAMETER_FIELD_OF_VIEW_T */ -- MMAL_PARAMETER_FIELD_OF_VIEW, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_HIGH_DYNAMIC_RANGE, -- /**< @ref MMAL_PARAMETER_DRC_T */ -- MMAL_PARAMETER_DYNAMIC_RANGE_COMPRESSION, -- /**< @ref MMAL_PARAMETER_ALGORITHM_CONTROL_T */ -- MMAL_PARAMETER_ALGORITHM_CONTROL, -- /**< @ref MMAL_PARAMETER_RATIONAL_T */ -- MMAL_PARAMETER_SHARPNESS, -- /**< @ref MMAL_PARAMETER_RATIONAL_T */ -- MMAL_PARAMETER_CONTRAST, -- /**< @ref MMAL_PARAMETER_RATIONAL_T */ -- MMAL_PARAMETER_BRIGHTNESS, -- /**< @ref MMAL_PARAMETER_RATIONAL_T */ -- MMAL_PARAMETER_SATURATION, -- -- /* 0x30 */ -- /**< @ref MMAL_PARAMETER_UINT32_T */ -- MMAL_PARAMETER_ISO, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_ANTISHAKE, -- /** @ref MMAL_PARAMETER_IMAGEFX_PARAMETERS_T */ -- MMAL_PARAMETER_IMAGE_EFFECT_PARAMETERS, -- /** @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_CAMERA_BURST_CAPTURE, -- /** @ref MMAL_PARAMETER_UINT32_T */ -- MMAL_PARAMETER_CAMERA_MIN_ISO, -- /** @ref MMAL_PARAMETER_CAMERA_USE_CASE_T */ -- MMAL_PARAMETER_CAMERA_USE_CASE, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_CAPTURE_STATS_PASS, -- /** @ref MMAL_PARAMETER_UINT32_T */ -- MMAL_PARAMETER_CAMERA_CUSTOM_SENSOR_CONFIG, -- /** @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_ENABLE_REGISTER_FILE, -- /** @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_REGISTER_FAIL_IS_FATAL, -- /** @ref MMAL_PARAMETER_CONFIGFILE_T */ -- MMAL_PARAMETER_CONFIGFILE_REGISTERS, -- /** @ref MMAL_PARAMETER_CONFIGFILE_CHUNK_T */ -- MMAL_PARAMETER_CONFIGFILE_CHUNK_REGISTERS, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_JPEG_ATTACH_LOG, -- /**< @ref MMAL_PARAMETER_ZEROSHUTTERLAG_T */ -- MMAL_PARAMETER_ZERO_SHUTTER_LAG, -- /**< @ref MMAL_PARAMETER_FPS_RANGE_T */ -- MMAL_PARAMETER_FPS_RANGE, -- /**< @ref MMAL_PARAMETER_INT32_T */ -- MMAL_PARAMETER_CAPTURE_EXPOSURE_COMP, -- -- /* 0x40 */ -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_SW_SHARPEN_DISABLE, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_FLASH_REQUIRED, -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_SW_SATURATION_DISABLE, -- /**< Takes a @ref MMAL_PARAMETER_UINT32_T */ -- MMAL_PARAMETER_SHUTTER_SPEED, -- /**< Takes a @ref MMAL_PARAMETER_AWB_GAINS_T */ -- MMAL_PARAMETER_CUSTOM_AWB_GAINS, --}; -- --struct mmal_parameter_rational { -- s32 num; /**< Numerator */ -- s32 den; /**< Denominator */ --}; -- --enum mmal_parameter_camera_config_timestamp_mode { -- MMAL_PARAM_TIMESTAMP_MODE_ZERO = 0, /* Always timestamp frames as 0 */ -- MMAL_PARAM_TIMESTAMP_MODE_RAW_STC, /* Use the raw STC value -- * for the frame timestamp -- */ -- MMAL_PARAM_TIMESTAMP_MODE_RESET_STC, /* Use the STC timestamp -- * but subtract the -- * timestamp of the first -- * frame sent to give a -- * zero based timestamp. -- */ --}; -- --struct mmal_parameter_fps_range { -- /**< Low end of the permitted framerate range */ -- struct mmal_parameter_rational fps_low; -- /**< High end of the permitted framerate range */ -- struct mmal_parameter_rational fps_high; --}; -- --/* camera configuration parameter */ --struct mmal_parameter_camera_config { -- /* Parameters for setting up the image pools */ -- u32 max_stills_w; /* Max size of stills capture */ -- u32 max_stills_h; -- u32 stills_yuv422; /* Allow YUV422 stills capture */ -- u32 one_shot_stills; /* Continuous or one shot stills captures. */ -- -- u32 max_preview_video_w; /* Max size of the preview or video -- * capture frames -- */ -- u32 max_preview_video_h; -- u32 num_preview_video_frames; -- -- /** Sets the height of the circular buffer for stills capture. */ -- u32 stills_capture_circular_buffer_height; -- -- /** Allows preview/encode to resume as fast as possible after the stills -- * input frame has been received, and then processes the still frame in -- * the background whilst preview/encode has resumed. -- * Actual mode is controlled by MMAL_PARAMETER_CAPTURE_MODE. -- */ -- u32 fast_preview_resume; -- -- /** Selects algorithm for timestamping frames if -- * there is no clock component connected. -- * enum mmal_parameter_camera_config_timestamp_mode -- */ -- s32 use_stc_timestamp; --}; -- --enum mmal_parameter_exposuremode { -- MMAL_PARAM_EXPOSUREMODE_OFF, -- MMAL_PARAM_EXPOSUREMODE_AUTO, -- MMAL_PARAM_EXPOSUREMODE_NIGHT, -- MMAL_PARAM_EXPOSUREMODE_NIGHTPREVIEW, -- MMAL_PARAM_EXPOSUREMODE_BACKLIGHT, -- MMAL_PARAM_EXPOSUREMODE_SPOTLIGHT, -- MMAL_PARAM_EXPOSUREMODE_SPORTS, -- MMAL_PARAM_EXPOSUREMODE_SNOW, -- MMAL_PARAM_EXPOSUREMODE_BEACH, -- MMAL_PARAM_EXPOSUREMODE_VERYLONG, -- MMAL_PARAM_EXPOSUREMODE_FIXEDFPS, -- MMAL_PARAM_EXPOSUREMODE_ANTISHAKE, -- MMAL_PARAM_EXPOSUREMODE_FIREWORKS, --}; -- --enum mmal_parameter_exposuremeteringmode { -- MMAL_PARAM_EXPOSUREMETERINGMODE_AVERAGE, -- MMAL_PARAM_EXPOSUREMETERINGMODE_SPOT, -- MMAL_PARAM_EXPOSUREMETERINGMODE_BACKLIT, -- MMAL_PARAM_EXPOSUREMETERINGMODE_MATRIX, --}; -- --enum mmal_parameter_awbmode { -- MMAL_PARAM_AWBMODE_OFF, -- MMAL_PARAM_AWBMODE_AUTO, -- MMAL_PARAM_AWBMODE_SUNLIGHT, -- MMAL_PARAM_AWBMODE_CLOUDY, -- MMAL_PARAM_AWBMODE_SHADE, -- MMAL_PARAM_AWBMODE_TUNGSTEN, -- MMAL_PARAM_AWBMODE_FLUORESCENT, -- MMAL_PARAM_AWBMODE_INCANDESCENT, -- MMAL_PARAM_AWBMODE_FLASH, -- MMAL_PARAM_AWBMODE_HORIZON, --}; -- --enum mmal_parameter_imagefx { -- MMAL_PARAM_IMAGEFX_NONE, -- MMAL_PARAM_IMAGEFX_NEGATIVE, -- MMAL_PARAM_IMAGEFX_SOLARIZE, -- MMAL_PARAM_IMAGEFX_POSTERIZE, -- MMAL_PARAM_IMAGEFX_WHITEBOARD, -- MMAL_PARAM_IMAGEFX_BLACKBOARD, -- MMAL_PARAM_IMAGEFX_SKETCH, -- MMAL_PARAM_IMAGEFX_DENOISE, -- MMAL_PARAM_IMAGEFX_EMBOSS, -- MMAL_PARAM_IMAGEFX_OILPAINT, -- MMAL_PARAM_IMAGEFX_HATCH, -- MMAL_PARAM_IMAGEFX_GPEN, -- MMAL_PARAM_IMAGEFX_PASTEL, -- MMAL_PARAM_IMAGEFX_WATERCOLOUR, -- MMAL_PARAM_IMAGEFX_FILM, -- MMAL_PARAM_IMAGEFX_BLUR, -- MMAL_PARAM_IMAGEFX_SATURATION, -- MMAL_PARAM_IMAGEFX_COLOURSWAP, -- MMAL_PARAM_IMAGEFX_WASHEDOUT, -- MMAL_PARAM_IMAGEFX_POSTERISE, -- MMAL_PARAM_IMAGEFX_COLOURPOINT, -- MMAL_PARAM_IMAGEFX_COLOURBALANCE, -- MMAL_PARAM_IMAGEFX_CARTOON, --}; -- --enum MMAL_PARAM_FLICKERAVOID_T { -- MMAL_PARAM_FLICKERAVOID_OFF, -- MMAL_PARAM_FLICKERAVOID_AUTO, -- MMAL_PARAM_FLICKERAVOID_50HZ, -- MMAL_PARAM_FLICKERAVOID_60HZ, -- MMAL_PARAM_FLICKERAVOID_MAX = 0x7FFFFFFF --}; -- --struct mmal_parameter_awbgains { -- struct mmal_parameter_rational r_gain; /**< Red gain */ -- struct mmal_parameter_rational b_gain; /**< Blue gain */ --}; -- --/** Manner of video rate control */ --enum mmal_parameter_rate_control_mode { -- MMAL_VIDEO_RATECONTROL_DEFAULT, -- MMAL_VIDEO_RATECONTROL_VARIABLE, -- MMAL_VIDEO_RATECONTROL_CONSTANT, -- MMAL_VIDEO_RATECONTROL_VARIABLE_SKIP_FRAMES, -- MMAL_VIDEO_RATECONTROL_CONSTANT_SKIP_FRAMES --}; -- --enum mmal_video_profile { -- MMAL_VIDEO_PROFILE_H263_BASELINE, -- MMAL_VIDEO_PROFILE_H263_H320CODING, -- MMAL_VIDEO_PROFILE_H263_BACKWARDCOMPATIBLE, -- MMAL_VIDEO_PROFILE_H263_ISWV2, -- MMAL_VIDEO_PROFILE_H263_ISWV3, -- MMAL_VIDEO_PROFILE_H263_HIGHCOMPRESSION, -- MMAL_VIDEO_PROFILE_H263_INTERNET, -- MMAL_VIDEO_PROFILE_H263_INTERLACE, -- MMAL_VIDEO_PROFILE_H263_HIGHLATENCY, -- MMAL_VIDEO_PROFILE_MP4V_SIMPLE, -- MMAL_VIDEO_PROFILE_MP4V_SIMPLESCALABLE, -- MMAL_VIDEO_PROFILE_MP4V_CORE, -- MMAL_VIDEO_PROFILE_MP4V_MAIN, -- MMAL_VIDEO_PROFILE_MP4V_NBIT, -- MMAL_VIDEO_PROFILE_MP4V_SCALABLETEXTURE, -- MMAL_VIDEO_PROFILE_MP4V_SIMPLEFACE, -- MMAL_VIDEO_PROFILE_MP4V_SIMPLEFBA, -- MMAL_VIDEO_PROFILE_MP4V_BASICANIMATED, -- MMAL_VIDEO_PROFILE_MP4V_HYBRID, -- MMAL_VIDEO_PROFILE_MP4V_ADVANCEDREALTIME, -- MMAL_VIDEO_PROFILE_MP4V_CORESCALABLE, -- MMAL_VIDEO_PROFILE_MP4V_ADVANCEDCODING, -- MMAL_VIDEO_PROFILE_MP4V_ADVANCEDCORE, -- MMAL_VIDEO_PROFILE_MP4V_ADVANCEDSCALABLE, -- MMAL_VIDEO_PROFILE_MP4V_ADVANCEDSIMPLE, -- MMAL_VIDEO_PROFILE_H264_BASELINE, -- MMAL_VIDEO_PROFILE_H264_MAIN, -- MMAL_VIDEO_PROFILE_H264_EXTENDED, -- MMAL_VIDEO_PROFILE_H264_HIGH, -- MMAL_VIDEO_PROFILE_H264_HIGH10, -- MMAL_VIDEO_PROFILE_H264_HIGH422, -- MMAL_VIDEO_PROFILE_H264_HIGH444, -- MMAL_VIDEO_PROFILE_H264_CONSTRAINED_BASELINE, -- MMAL_VIDEO_PROFILE_DUMMY = 0x7FFFFFFF --}; -- --enum mmal_video_level { -- MMAL_VIDEO_LEVEL_H263_10, -- MMAL_VIDEO_LEVEL_H263_20, -- MMAL_VIDEO_LEVEL_H263_30, -- MMAL_VIDEO_LEVEL_H263_40, -- MMAL_VIDEO_LEVEL_H263_45, -- MMAL_VIDEO_LEVEL_H263_50, -- MMAL_VIDEO_LEVEL_H263_60, -- MMAL_VIDEO_LEVEL_H263_70, -- MMAL_VIDEO_LEVEL_MP4V_0, -- MMAL_VIDEO_LEVEL_MP4V_0b, -- MMAL_VIDEO_LEVEL_MP4V_1, -- MMAL_VIDEO_LEVEL_MP4V_2, -- MMAL_VIDEO_LEVEL_MP4V_3, -- MMAL_VIDEO_LEVEL_MP4V_4, -- MMAL_VIDEO_LEVEL_MP4V_4a, -- MMAL_VIDEO_LEVEL_MP4V_5, -- MMAL_VIDEO_LEVEL_MP4V_6, -- MMAL_VIDEO_LEVEL_H264_1, -- MMAL_VIDEO_LEVEL_H264_1b, -- MMAL_VIDEO_LEVEL_H264_11, -- MMAL_VIDEO_LEVEL_H264_12, -- MMAL_VIDEO_LEVEL_H264_13, -- MMAL_VIDEO_LEVEL_H264_2, -- MMAL_VIDEO_LEVEL_H264_21, -- MMAL_VIDEO_LEVEL_H264_22, -- MMAL_VIDEO_LEVEL_H264_3, -- MMAL_VIDEO_LEVEL_H264_31, -- MMAL_VIDEO_LEVEL_H264_32, -- MMAL_VIDEO_LEVEL_H264_4, -- MMAL_VIDEO_LEVEL_H264_41, -- MMAL_VIDEO_LEVEL_H264_42, -- MMAL_VIDEO_LEVEL_H264_5, -- MMAL_VIDEO_LEVEL_H264_51, -- MMAL_VIDEO_LEVEL_DUMMY = 0x7FFFFFFF --}; -- --struct mmal_parameter_video_profile { -- enum mmal_video_profile profile; -- enum mmal_video_level level; --}; -- --/* video parameters */ -- --enum mmal_parameter_video_type { -- /** @ref MMAL_DISPLAYREGION_T */ -- MMAL_PARAMETER_DISPLAYREGION = MMAL_PARAMETER_GROUP_VIDEO, -- -- /** @ref MMAL_PARAMETER_VIDEO_PROFILE_T */ -- MMAL_PARAMETER_SUPPORTED_PROFILES, -- -- /** @ref MMAL_PARAMETER_VIDEO_PROFILE_T */ -- MMAL_PARAMETER_PROFILE, -- -- /** @ref MMAL_PARAMETER_UINT32_T */ -- MMAL_PARAMETER_INTRAPERIOD, -- -- /** @ref MMAL_PARAMETER_VIDEO_RATECONTROL_T */ -- MMAL_PARAMETER_RATECONTROL, -- -- /** @ref MMAL_PARAMETER_VIDEO_NALUNITFORMAT_T */ -- MMAL_PARAMETER_NALUNITFORMAT, -- -- /** @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_MINIMISE_FRAGMENTATION, -- -- /** @ref MMAL_PARAMETER_UINT32_T. -- * Setting the value to zero resets to the default (one slice per -- * frame). -- */ -- MMAL_PARAMETER_MB_ROWS_PER_SLICE, -- -- /** @ref MMAL_PARAMETER_VIDEO_LEVEL_EXTENSION_T */ -- MMAL_PARAMETER_VIDEO_LEVEL_EXTENSION, -- -- /** @ref MMAL_PARAMETER_VIDEO_EEDE_ENABLE_T */ -- MMAL_PARAMETER_VIDEO_EEDE_ENABLE, -- -- /** @ref MMAL_PARAMETER_VIDEO_EEDE_LOSSRATE_T */ -- MMAL_PARAMETER_VIDEO_EEDE_LOSSRATE, -- -- /** @ref MMAL_PARAMETER_BOOLEAN_T. Request an I-frame. */ -- MMAL_PARAMETER_VIDEO_REQUEST_I_FRAME, -- /** @ref MMAL_PARAMETER_VIDEO_INTRA_REFRESH_T */ -- MMAL_PARAMETER_VIDEO_INTRA_REFRESH, -- -- /** @ref MMAL_PARAMETER_BOOLEAN_T. */ -- MMAL_PARAMETER_VIDEO_IMMUTABLE_INPUT, -- -- /** @ref MMAL_PARAMETER_UINT32_T. Run-time bit rate control */ -- MMAL_PARAMETER_VIDEO_BIT_RATE, -- -- /** @ref MMAL_PARAMETER_FRAME_RATE_T */ -- MMAL_PARAMETER_VIDEO_FRAME_RATE, -- -- /** @ref MMAL_PARAMETER_UINT32_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_MIN_QUANT, -- -- /** @ref MMAL_PARAMETER_UINT32_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_MAX_QUANT, -- -- /** @ref MMAL_PARAMETER_VIDEO_ENCODE_RC_MODEL_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_RC_MODEL, -- -- MMAL_PARAMETER_EXTRA_BUFFERS, /**< @ref MMAL_PARAMETER_UINT32_T. */ -- /** @ref MMAL_PARAMETER_UINT32_T. -- * Changing this parameter from the default can reduce frame rate -- * because image buffers need to be re-pitched. -- */ -- MMAL_PARAMETER_VIDEO_ALIGN_HORIZ, -- -- /** @ref MMAL_PARAMETER_UINT32_T. -- * Changing this parameter from the default can reduce frame rate -- * because image buffers need to be re-pitched. -- */ -- MMAL_PARAMETER_VIDEO_ALIGN_VERT, -- -- /** @ref MMAL_PARAMETER_BOOLEAN_T. */ -- MMAL_PARAMETER_VIDEO_DROPPABLE_PFRAMES, -- -- /** @ref MMAL_PARAMETER_UINT32_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_INITIAL_QUANT, -- -- /**< @ref MMAL_PARAMETER_UINT32_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_QP_P, -- -- /**< @ref MMAL_PARAMETER_UINT32_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_RC_SLICE_DQUANT, -- -- /** @ref MMAL_PARAMETER_UINT32_T */ -- MMAL_PARAMETER_VIDEO_ENCODE_FRAME_LIMIT_BITS, -- -- /** @ref MMAL_PARAMETER_UINT32_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_PEAK_RATE, -- -- /* H264 specific parameters */ -- -- /** @ref MMAL_PARAMETER_BOOLEAN_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_H264_DISABLE_CABAC, -- -- /** @ref MMAL_PARAMETER_BOOLEAN_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_H264_LOW_LATENCY, -- -- /** @ref MMAL_PARAMETER_BOOLEAN_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_H264_AU_DELIMITERS, -- -- /** @ref MMAL_PARAMETER_UINT32_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_H264_DEBLOCK_IDC, -- -- /** @ref MMAL_PARAMETER_VIDEO_ENCODER_H264_MB_INTRA_MODES_T. */ -- MMAL_PARAMETER_VIDEO_ENCODE_H264_MB_INTRA_MODE, -- -- /** @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_VIDEO_ENCODE_HEADER_ON_OPEN, -- -- /** @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_VIDEO_ENCODE_PRECODE_FOR_QP, -- -- /** @ref MMAL_PARAMETER_VIDEO_DRM_INIT_INFO_T. */ -- MMAL_PARAMETER_VIDEO_DRM_INIT_INFO, -- -- /** @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_VIDEO_TIMESTAMP_FIFO, -- -- /** @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_VIDEO_DECODE_ERROR_CONCEALMENT, -- -- /** @ref MMAL_PARAMETER_VIDEO_DRM_PROTECT_BUFFER_T. */ -- MMAL_PARAMETER_VIDEO_DRM_PROTECT_BUFFER, -- -- /** @ref MMAL_PARAMETER_BYTES_T */ -- MMAL_PARAMETER_VIDEO_DECODE_CONFIG_VD3, -- -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_VIDEO_ENCODE_H264_VCL_HRD_PARAMETERS, -- -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_VIDEO_ENCODE_H264_LOW_DELAY_HRD_FLAG, -- -- /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -- MMAL_PARAMETER_VIDEO_ENCODE_INLINE_HEADER --}; -- --/** Valid mirror modes */ --enum mmal_parameter_mirror { -- MMAL_PARAM_MIRROR_NONE, -- MMAL_PARAM_MIRROR_VERTICAL, -- MMAL_PARAM_MIRROR_HORIZONTAL, -- MMAL_PARAM_MIRROR_BOTH, --}; -- --enum mmal_parameter_displaytransform { -- MMAL_DISPLAY_ROT0 = 0, -- MMAL_DISPLAY_MIRROR_ROT0 = 1, -- MMAL_DISPLAY_MIRROR_ROT180 = 2, -- MMAL_DISPLAY_ROT180 = 3, -- MMAL_DISPLAY_MIRROR_ROT90 = 4, -- MMAL_DISPLAY_ROT270 = 5, -- MMAL_DISPLAY_ROT90 = 6, -- MMAL_DISPLAY_MIRROR_ROT270 = 7, --}; -- --enum mmal_parameter_displaymode { -- MMAL_DISPLAY_MODE_FILL = 0, -- MMAL_DISPLAY_MODE_LETTERBOX = 1, --}; -- --enum mmal_parameter_displayset { -- MMAL_DISPLAY_SET_NONE = 0, -- MMAL_DISPLAY_SET_NUM = 1, -- MMAL_DISPLAY_SET_FULLSCREEN = 2, -- MMAL_DISPLAY_SET_TRANSFORM = 4, -- MMAL_DISPLAY_SET_DEST_RECT = 8, -- MMAL_DISPLAY_SET_SRC_RECT = 0x10, -- MMAL_DISPLAY_SET_MODE = 0x20, -- MMAL_DISPLAY_SET_PIXEL = 0x40, -- MMAL_DISPLAY_SET_NOASPECT = 0x80, -- MMAL_DISPLAY_SET_LAYER = 0x100, -- MMAL_DISPLAY_SET_COPYPROTECT = 0x200, -- MMAL_DISPLAY_SET_ALPHA = 0x400, --}; -- --/* rectangle, used lots so it gets its own struct */ --struct vchiq_mmal_rect { -- s32 x; -- s32 y; -- s32 width; -- s32 height; --}; -- --struct mmal_parameter_displayregion { -- /** Bitfield that indicates which fields are set and should be -- * used. All other fields will maintain their current value. -- * \ref MMAL_DISPLAYSET_T defines the bits that can be -- * combined. -- */ -- u32 set; -- -- /** Describes the display output device, with 0 typically -- * being a directly connected LCD display. The actual values -- * will depend on the hardware. Code using hard-wired numbers -- * (e.g. 2) is certain to fail. -- */ -- -- u32 display_num; -- /** Indicates that we are using the full device screen area, -- * rather than a window of the display. If zero, then -- * dest_rect is used to specify a region of the display to -- * use. -- */ -- -- s32 fullscreen; -- /** Indicates any rotation or flipping used to map frames onto -- * the natural display orientation. -- */ -- u32 transform; /* enum mmal_parameter_displaytransform */ -- -- /** Where to display the frame within the screen, if -- * fullscreen is zero. -- */ -- struct vchiq_mmal_rect dest_rect; -- -- /** Indicates which area of the frame to display. If all -- * values are zero, the whole frame will be used. -- */ -- struct vchiq_mmal_rect src_rect; -- -- /** If set to non-zero, indicates that any display scaling -- * should disregard the aspect ratio of the frame region being -- * displayed. -- */ -- s32 noaspect; -- -- /** Indicates how the image should be scaled to fit the -- * display. \code MMAL_DISPLAY_MODE_FILL \endcode indicates -- * that the image should fill the screen by potentially -- * cropping the frames. Setting \code mode \endcode to \code -- * MMAL_DISPLAY_MODE_LETTERBOX \endcode indicates that all the -- * source region should be displayed and black bars added if -- * necessary. -- */ -- u32 mode; /* enum mmal_parameter_displaymode */ -- -- /** If non-zero, defines the width of a source pixel relative -- * to \code pixel_y \endcode. If zero, then pixels default to -- * being square. -- */ -- u32 pixel_x; -- -- /** If non-zero, defines the height of a source pixel relative -- * to \code pixel_x \endcode. If zero, then pixels default to -- * being square. -- */ -- u32 pixel_y; -- -- /** Sets the relative depth of the images, with greater values -- * being in front of smaller values. -- */ -- u32 layer; -- -- /** Set to non-zero to ensure copy protection is used on -- * output. -- */ -- s32 copyprotect_required; -- -- /** Level of opacity of the layer, where zero is fully -- * transparent and 255 is fully opaque. -- */ -- u32 alpha; --}; -- --#define MMAL_MAX_IMAGEFX_PARAMETERS 5 -- --struct mmal_parameter_imagefx_parameters { -- enum mmal_parameter_imagefx effect; -- u32 num_effect_params; -- u32 effect_parameter[MMAL_MAX_IMAGEFX_PARAMETERS]; --}; -- --#define MMAL_PARAMETER_CAMERA_INFO_MAX_CAMERAS 4 --#define MMAL_PARAMETER_CAMERA_INFO_MAX_FLASHES 2 --#define MMAL_PARAMETER_CAMERA_INFO_MAX_STR_LEN 16 -- --struct mmal_parameter_camera_info_camera_t { -- u32 port_id; -- u32 max_width; -- u32 max_height; -- u32 lens_present; -- u8 camera_name[MMAL_PARAMETER_CAMERA_INFO_MAX_STR_LEN]; --}; -- --enum mmal_parameter_camera_info_flash_type_t { -- /* Make values explicit to ensure they match values in config ini */ -- MMAL_PARAMETER_CAMERA_INFO_FLASH_TYPE_XENON = 0, -- MMAL_PARAMETER_CAMERA_INFO_FLASH_TYPE_LED = 1, -- MMAL_PARAMETER_CAMERA_INFO_FLASH_TYPE_OTHER = 2, -- MMAL_PARAMETER_CAMERA_INFO_FLASH_TYPE_MAX = 0x7FFFFFFF --}; -- --struct mmal_parameter_camera_info_flash_t { -- enum mmal_parameter_camera_info_flash_type_t flash_type; --}; -- --struct mmal_parameter_camera_info_t { -- u32 num_cameras; -- u32 num_flashes; -- struct mmal_parameter_camera_info_camera_t -- cameras[MMAL_PARAMETER_CAMERA_INFO_MAX_CAMERAS]; -- struct mmal_parameter_camera_info_flash_t -- flashes[MMAL_PARAMETER_CAMERA_INFO_MAX_FLASHES]; --}; -- --#endif ---- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.h -+++ /dev/null -@@ -1,166 +0,0 @@ --/* SPDX-License-Identifier: GPL-2.0 */ --/* -- * Broadcom BM2835 V4L2 driver -- * -- * Copyright © 2013 Raspberry Pi (Trading) Ltd. -- * -- * Authors: Vincent Sanders @ Collabora -- * Dave Stevenson @ Broadcom -- * (now dave.stevenson@raspberrypi.org) -- * Simon Mellor @ Broadcom -- * Luke Diamand @ Broadcom -- * -- * MMAL interface to VCHIQ message passing -- */ -- --#ifndef MMAL_VCHIQ_H --#define MMAL_VCHIQ_H -- --#include "mmal-msg-format.h" -- --#define MAX_PORT_COUNT 4 -- --/* Maximum size of the format extradata. */ --#define MMAL_FORMAT_EXTRADATA_MAX_SIZE 128 -- --struct vchiq_mmal_instance; -- --enum vchiq_mmal_es_type { -- MMAL_ES_TYPE_UNKNOWN, /**< Unknown elementary stream type */ -- MMAL_ES_TYPE_CONTROL, /**< Elementary stream of control commands */ -- MMAL_ES_TYPE_AUDIO, /**< Audio elementary stream */ -- MMAL_ES_TYPE_VIDEO, /**< Video elementary stream */ -- MMAL_ES_TYPE_SUBPICTURE /**< Sub-picture elementary stream */ --}; -- --struct vchiq_mmal_port_buffer { -- unsigned int num; /* number of buffers */ -- u32 size; /* size of buffers */ -- u32 alignment; /* alignment of buffers */ --}; -- --struct vchiq_mmal_port; -- --typedef void (*vchiq_mmal_buffer_cb)( -- struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- int status, struct mmal_buffer *buffer, -- unsigned long length, u32 mmal_flags, s64 dts, s64 pts); -- --struct vchiq_mmal_port { -- bool enabled; -- u32 handle; -- u32 type; /* port type, cached to use on port info set */ -- u32 index; /* port index, cached to use on port info set */ -- -- /* component port belongs to, allows simple deref */ -- struct vchiq_mmal_component *component; -- -- struct vchiq_mmal_port *connected; /* port conencted to */ -- -- /* buffer info */ -- struct vchiq_mmal_port_buffer minimum_buffer; -- struct vchiq_mmal_port_buffer recommended_buffer; -- struct vchiq_mmal_port_buffer current_buffer; -- -- /* stream format */ -- struct mmal_es_format_local format; -- /* elementary stream format */ -- union mmal_es_specific_format es; -- -- /* data buffers to fill */ -- struct list_head buffers; -- /* lock to serialise adding and removing buffers from list */ -- spinlock_t slock; -- -- /* Count of buffers the VPU has yet to return */ -- atomic_t buffers_with_vpu; -- /* callback on buffer completion */ -- vchiq_mmal_buffer_cb buffer_cb; -- /* callback context */ -- void *cb_ctx; --}; -- --struct vchiq_mmal_component { -- bool enabled; -- u32 handle; /* VideoCore handle for component */ -- u32 inputs; /* Number of input ports */ -- u32 outputs; /* Number of output ports */ -- u32 clocks; /* Number of clock ports */ -- struct vchiq_mmal_port control; /* control port */ -- struct vchiq_mmal_port input[MAX_PORT_COUNT]; /* input ports */ -- struct vchiq_mmal_port output[MAX_PORT_COUNT]; /* output ports */ -- struct vchiq_mmal_port clock[MAX_PORT_COUNT]; /* clock ports */ --}; -- --int vchiq_mmal_init(struct vchiq_mmal_instance **out_instance); --int vchiq_mmal_finalise(struct vchiq_mmal_instance *instance); -- --/* Initialise a mmal component and its ports -- * -- */ --int vchiq_mmal_component_init( -- struct vchiq_mmal_instance *instance, -- const char *name, -- struct vchiq_mmal_component **component_out); -- --int vchiq_mmal_component_finalise( -- struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_component *component); -- --int vchiq_mmal_component_enable( -- struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_component *component); -- --int vchiq_mmal_component_disable( -- struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_component *component); -- --/* enable a mmal port -- * -- * enables a port and if a buffer callback provided enque buffer -- * headers as appropriate for the port. -- */ --int vchiq_mmal_port_enable( -- struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- vchiq_mmal_buffer_cb buffer_cb); -- --/* disable a port -- * -- * disable a port will dequeue any pending buffers -- */ --int vchiq_mmal_port_disable(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port); -- --int vchiq_mmal_port_parameter_set(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- u32 parameter, -- void *value, -- u32 value_size); -- --int vchiq_mmal_port_parameter_get(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- u32 parameter, -- void *value, -- u32 *value_size); -- --int vchiq_mmal_port_set_format(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port); -- --int vchiq_mmal_port_connect_tunnel(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *src, -- struct vchiq_mmal_port *dst); -- --int vchiq_mmal_version(struct vchiq_mmal_instance *instance, -- u32 *major_out, -- u32 *minor_out); -- --int vchiq_mmal_submit_buffer(struct vchiq_mmal_instance *instance, -- struct vchiq_mmal_port *port, -- struct mmal_buffer *buf); -- --int mmal_vchi_buffer_init(struct vchiq_mmal_instance *instance, -- struct mmal_buffer *buf); --int mmal_vchi_buffer_cleanup(struct mmal_buffer *buf); --#endif /* MMAL_VCHIQ_H */ ---- /dev/null -+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-common.h -@@ -0,0 +1,61 @@ -+/* SPDX-License-Identifier: GPL-2.0 */ -+/* -+ * Broadcom BM2835 V4L2 driver -+ * -+ * Copyright © 2013 Raspberry Pi (Trading) Ltd. -+ * -+ * Authors: Vincent Sanders @ Collabora -+ * Dave Stevenson @ Broadcom -+ * (now dave.stevenson@raspberrypi.org) -+ * Simon Mellor @ Broadcom -+ * Luke Diamand @ Broadcom -+ * -+ * MMAL structures -+ * -+ */ -+#ifndef MMAL_COMMON_H -+#define MMAL_COMMON_H -+ -+#define MMAL_FOURCC(a, b, c, d) ((a) | (b << 8) | (c << 16) | (d << 24)) -+#define MMAL_MAGIC MMAL_FOURCC('m', 'm', 'a', 'l') -+ -+/** Special value signalling that time is not known */ -+#define MMAL_TIME_UNKNOWN BIT_ULL(63) -+ -+struct mmal_msg_context; -+ -+/* mapping between v4l and mmal video modes */ -+struct mmal_fmt { -+ char *name; -+ u32 fourcc; /* v4l2 format id */ -+ int flags; /* v4l2 flags field */ -+ u32 mmal; -+ int depth; -+ u32 mmal_component; /* MMAL component index to be used to encode */ -+ u32 ybbp; /* depth of first Y plane for planar formats */ -+ bool remove_padding; /* Does the GPU have to remove padding, -+ * or can we do hide padding via bytesperline. -+ */ -+}; -+ -+/* buffer for one video frame */ -+struct mmal_buffer { -+ /* v4l buffer data -- must be first */ -+ struct vb2_v4l2_buffer vb; -+ -+ /* list of buffers available */ -+ struct list_head list; -+ -+ void *buffer; /* buffer pointer */ -+ unsigned long buffer_size; /* size of allocated buffer */ -+ -+ struct mmal_msg_context *msg_context; -+}; -+ -+/* */ -+struct mmal_colourfx { -+ s32 enable; -+ u32 u; -+ u32 v; -+}; -+#endif ---- /dev/null -+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-encodings.h -@@ -0,0 +1,124 @@ -+/* SPDX-License-Identifier: GPL-2.0 */ -+/* -+ * Broadcom BM2835 V4L2 driver -+ * -+ * Copyright © 2013 Raspberry Pi (Trading) Ltd. -+ * -+ * Authors: Vincent Sanders @ Collabora -+ * Dave Stevenson @ Broadcom -+ * (now dave.stevenson@raspberrypi.org) -+ * Simon Mellor @ Broadcom -+ * Luke Diamand @ Broadcom -+ */ -+#ifndef MMAL_ENCODINGS_H -+#define MMAL_ENCODINGS_H -+ -+#define MMAL_ENCODING_H264 MMAL_FOURCC('H', '2', '6', '4') -+#define MMAL_ENCODING_H263 MMAL_FOURCC('H', '2', '6', '3') -+#define MMAL_ENCODING_MP4V MMAL_FOURCC('M', 'P', '4', 'V') -+#define MMAL_ENCODING_MP2V MMAL_FOURCC('M', 'P', '2', 'V') -+#define MMAL_ENCODING_MP1V MMAL_FOURCC('M', 'P', '1', 'V') -+#define MMAL_ENCODING_WMV3 MMAL_FOURCC('W', 'M', 'V', '3') -+#define MMAL_ENCODING_WMV2 MMAL_FOURCC('W', 'M', 'V', '2') -+#define MMAL_ENCODING_WMV1 MMAL_FOURCC('W', 'M', 'V', '1') -+#define MMAL_ENCODING_WVC1 MMAL_FOURCC('W', 'V', 'C', '1') -+#define MMAL_ENCODING_VP8 MMAL_FOURCC('V', 'P', '8', ' ') -+#define MMAL_ENCODING_VP7 MMAL_FOURCC('V', 'P', '7', ' ') -+#define MMAL_ENCODING_VP6 MMAL_FOURCC('V', 'P', '6', ' ') -+#define MMAL_ENCODING_THEORA MMAL_FOURCC('T', 'H', 'E', 'O') -+#define MMAL_ENCODING_SPARK MMAL_FOURCC('S', 'P', 'R', 'K') -+#define MMAL_ENCODING_MJPEG MMAL_FOURCC('M', 'J', 'P', 'G') -+ -+#define MMAL_ENCODING_JPEG MMAL_FOURCC('J', 'P', 'E', 'G') -+#define MMAL_ENCODING_GIF MMAL_FOURCC('G', 'I', 'F', ' ') -+#define MMAL_ENCODING_PNG MMAL_FOURCC('P', 'N', 'G', ' ') -+#define MMAL_ENCODING_PPM MMAL_FOURCC('P', 'P', 'M', ' ') -+#define MMAL_ENCODING_TGA MMAL_FOURCC('T', 'G', 'A', ' ') -+#define MMAL_ENCODING_BMP MMAL_FOURCC('B', 'M', 'P', ' ') -+ -+#define MMAL_ENCODING_I420 MMAL_FOURCC('I', '4', '2', '0') -+#define MMAL_ENCODING_I420_SLICE MMAL_FOURCC('S', '4', '2', '0') -+#define MMAL_ENCODING_YV12 MMAL_FOURCC('Y', 'V', '1', '2') -+#define MMAL_ENCODING_I422 MMAL_FOURCC('I', '4', '2', '2') -+#define MMAL_ENCODING_I422_SLICE MMAL_FOURCC('S', '4', '2', '2') -+#define MMAL_ENCODING_YUYV MMAL_FOURCC('Y', 'U', 'Y', 'V') -+#define MMAL_ENCODING_YVYU MMAL_FOURCC('Y', 'V', 'Y', 'U') -+#define MMAL_ENCODING_UYVY MMAL_FOURCC('U', 'Y', 'V', 'Y') -+#define MMAL_ENCODING_VYUY MMAL_FOURCC('V', 'Y', 'U', 'Y') -+#define MMAL_ENCODING_NV12 MMAL_FOURCC('N', 'V', '1', '2') -+#define MMAL_ENCODING_NV21 MMAL_FOURCC('N', 'V', '2', '1') -+#define MMAL_ENCODING_ARGB MMAL_FOURCC('A', 'R', 'G', 'B') -+#define MMAL_ENCODING_RGBA MMAL_FOURCC('R', 'G', 'B', 'A') -+#define MMAL_ENCODING_ABGR MMAL_FOURCC('A', 'B', 'G', 'R') -+#define MMAL_ENCODING_BGRA MMAL_FOURCC('B', 'G', 'R', 'A') -+#define MMAL_ENCODING_RGB16 MMAL_FOURCC('R', 'G', 'B', '2') -+#define MMAL_ENCODING_RGB24 MMAL_FOURCC('R', 'G', 'B', '3') -+#define MMAL_ENCODING_RGB32 MMAL_FOURCC('R', 'G', 'B', '4') -+#define MMAL_ENCODING_BGR16 MMAL_FOURCC('B', 'G', 'R', '2') -+#define MMAL_ENCODING_BGR24 MMAL_FOURCC('B', 'G', 'R', '3') -+#define MMAL_ENCODING_BGR32 MMAL_FOURCC('B', 'G', 'R', '4') -+ -+/** SAND Video (YUVUV128) format, native format understood by VideoCore. -+ * This format is *not* opaque - if requested you will receive full frames -+ * of YUV_UV video. -+ */ -+#define MMAL_ENCODING_YUVUV128 MMAL_FOURCC('S', 'A', 'N', 'D') -+ -+/** VideoCore opaque image format, image handles are returned to -+ * the host but not the actual image data. -+ */ -+#define MMAL_ENCODING_OPAQUE MMAL_FOURCC('O', 'P', 'Q', 'V') -+ -+/** An EGL image handle -+ */ -+#define MMAL_ENCODING_EGL_IMAGE MMAL_FOURCC('E', 'G', 'L', 'I') -+ -+/* }@ */ -+ -+/** \name Pre-defined audio encodings */ -+/* @{ */ -+#define MMAL_ENCODING_PCM_UNSIGNED_BE MMAL_FOURCC('P', 'C', 'M', 'U') -+#define MMAL_ENCODING_PCM_UNSIGNED_LE MMAL_FOURCC('p', 'c', 'm', 'u') -+#define MMAL_ENCODING_PCM_SIGNED_BE MMAL_FOURCC('P', 'C', 'M', 'S') -+#define MMAL_ENCODING_PCM_SIGNED_LE MMAL_FOURCC('p', 'c', 'm', 's') -+#define MMAL_ENCODING_PCM_FLOAT_BE MMAL_FOURCC('P', 'C', 'M', 'F') -+#define MMAL_ENCODING_PCM_FLOAT_LE MMAL_FOURCC('p', 'c', 'm', 'f') -+ -+/* Pre-defined H264 encoding variants */ -+ -+/** ISO 14496-10 Annex B byte stream format */ -+#define MMAL_ENCODING_VARIANT_H264_DEFAULT 0 -+/** ISO 14496-15 AVC stream format */ -+#define MMAL_ENCODING_VARIANT_H264_AVC1 MMAL_FOURCC('A', 'V', 'C', '1') -+/** Implicitly delineated NAL units without emulation prevention */ -+#define MMAL_ENCODING_VARIANT_H264_RAW MMAL_FOURCC('R', 'A', 'W', ' ') -+ -+/** \defgroup MmalColorSpace List of pre-defined video color spaces -+ * This defines a list of common color spaces. This list isn't exhaustive and -+ * is only provided as a convenience to avoid clients having to use FourCC -+ * codes directly. However components are allowed to define and use their own -+ * FourCC codes. -+ */ -+/* @{ */ -+ -+/** Unknown color space */ -+#define MMAL_COLOR_SPACE_UNKNOWN 0 -+/** ITU-R BT.601-5 [SDTV] */ -+#define MMAL_COLOR_SPACE_ITUR_BT601 MMAL_FOURCC('Y', '6', '0', '1') -+/** ITU-R BT.709-3 [HDTV] */ -+#define MMAL_COLOR_SPACE_ITUR_BT709 MMAL_FOURCC('Y', '7', '0', '9') -+/** JPEG JFIF */ -+#define MMAL_COLOR_SPACE_JPEG_JFIF MMAL_FOURCC('Y', 'J', 'F', 'I') -+/** Title 47 Code of Federal Regulations (2003) 73.682 (a) (20) */ -+#define MMAL_COLOR_SPACE_FCC MMAL_FOURCC('Y', 'F', 'C', 'C') -+/** Society of Motion Picture and Television Engineers 240M (1999) */ -+#define MMAL_COLOR_SPACE_SMPTE240M MMAL_FOURCC('Y', '2', '4', '0') -+/** ITU-R BT.470-2 System M */ -+#define MMAL_COLOR_SPACE_BT470_2_M MMAL_FOURCC('Y', '_', '_', 'M') -+/** ITU-R BT.470-2 System BG */ -+#define MMAL_COLOR_SPACE_BT470_2_BG MMAL_FOURCC('Y', '_', 'B', 'G') -+/** JPEG JFIF, but with 16..255 luma */ -+#define MMAL_COLOR_SPACE_JFIF_Y16_255 MMAL_FOURCC('Y', 'Y', '1', '6') -+/* @} MmalColorSpace List */ -+ -+#endif /* MMAL_ENCODINGS_H */ ---- /dev/null -+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-msg-common.h -@@ -0,0 +1,48 @@ -+/* SPDX-License-Identifier: GPL-2.0 */ -+/* -+ * Broadcom BM2835 V4L2 driver -+ * -+ * Copyright © 2013 Raspberry Pi (Trading) Ltd. -+ * -+ * Authors: Vincent Sanders @ Collabora -+ * Dave Stevenson @ Broadcom -+ * (now dave.stevenson@raspberrypi.org) -+ * Simon Mellor @ Broadcom -+ * Luke Diamand @ Broadcom -+ */ -+ -+#ifndef MMAL_MSG_COMMON_H -+#define MMAL_MSG_COMMON_H -+ -+enum mmal_msg_status { -+ MMAL_MSG_STATUS_SUCCESS = 0, /**< Success */ -+ MMAL_MSG_STATUS_ENOMEM, /**< Out of memory */ -+ MMAL_MSG_STATUS_ENOSPC, /**< Out of resources other than memory */ -+ MMAL_MSG_STATUS_EINVAL, /**< Argument is invalid */ -+ MMAL_MSG_STATUS_ENOSYS, /**< Function not implemented */ -+ MMAL_MSG_STATUS_ENOENT, /**< No such file or directory */ -+ MMAL_MSG_STATUS_ENXIO, /**< No such device or address */ -+ MMAL_MSG_STATUS_EIO, /**< I/O error */ -+ MMAL_MSG_STATUS_ESPIPE, /**< Illegal seek */ -+ MMAL_MSG_STATUS_ECORRUPT, /**< Data is corrupt \attention */ -+ MMAL_MSG_STATUS_ENOTREADY, /**< Component is not ready */ -+ MMAL_MSG_STATUS_ECONFIG, /**< Component is not configured */ -+ MMAL_MSG_STATUS_EISCONN, /**< Port is already connected */ -+ MMAL_MSG_STATUS_ENOTCONN, /**< Port is disconnected */ -+ MMAL_MSG_STATUS_EAGAIN, /**< Resource temporarily unavailable. */ -+ MMAL_MSG_STATUS_EFAULT, /**< Bad address */ -+}; -+ -+struct mmal_rect { -+ s32 x; /**< x coordinate (from left) */ -+ s32 y; /**< y coordinate (from top) */ -+ s32 width; /**< width */ -+ s32 height; /**< height */ -+}; -+ -+struct mmal_rational { -+ s32 num; /**< Numerator */ -+ s32 den; /**< Denominator */ -+}; -+ -+#endif /* MMAL_MSG_COMMON_H */ ---- /dev/null -+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-msg-format.h -@@ -0,0 +1,106 @@ -+/* SPDX-License-Identifier: GPL-2.0 */ -+/* -+ * Broadcom BM2835 V4L2 driver -+ * -+ * Copyright © 2013 Raspberry Pi (Trading) Ltd. -+ * -+ * Authors: Vincent Sanders @ Collabora -+ * Dave Stevenson @ Broadcom -+ * (now dave.stevenson@raspberrypi.org) -+ * Simon Mellor @ Broadcom -+ * Luke Diamand @ Broadcom -+ */ -+ -+#ifndef MMAL_MSG_FORMAT_H -+#define MMAL_MSG_FORMAT_H -+ -+#include "mmal-msg-common.h" -+ -+/* MMAL_ES_FORMAT_T */ -+ -+struct mmal_audio_format { -+ u32 channels; /* Number of audio channels */ -+ u32 sample_rate; /* Sample rate */ -+ -+ u32 bits_per_sample; /* Bits per sample */ -+ u32 block_align; /* Size of a block of data */ -+}; -+ -+struct mmal_video_format { -+ u32 width; /* Width of frame in pixels */ -+ u32 height; /* Height of frame in rows of pixels */ -+ struct mmal_rect crop; /* Visible region of the frame */ -+ struct mmal_rational frame_rate; /* Frame rate */ -+ struct mmal_rational par; /* Pixel aspect ratio */ -+ -+ /* -+ * FourCC specifying the color space of the video stream. See the -+ * MmalColorSpace "pre-defined color spaces" for some examples. -+ */ -+ u32 color_space; -+}; -+ -+struct mmal_subpicture_format { -+ u32 x_offset; -+ u32 y_offset; -+}; -+ -+union mmal_es_specific_format { -+ struct mmal_audio_format audio; -+ struct mmal_video_format video; -+ struct mmal_subpicture_format subpicture; -+}; -+ -+/* Definition of an elementary stream format (MMAL_ES_FORMAT_T) */ -+struct mmal_es_format_local { -+ u32 type; /* enum mmal_es_type */ -+ -+ u32 encoding; /* FourCC specifying encoding of the elementary -+ * stream. -+ */ -+ u32 encoding_variant; /* FourCC specifying the specific -+ * encoding variant of the elementary -+ * stream. -+ */ -+ -+ union mmal_es_specific_format *es; /* Type specific -+ * information for the -+ * elementary stream -+ */ -+ -+ u32 bitrate; /* Bitrate in bits per second */ -+ u32 flags; /* Flags describing properties of the elementary -+ * stream. -+ */ -+ -+ u32 extradata_size; /* Size of the codec specific data */ -+ u8 *extradata; /* Codec specific data */ -+}; -+ -+/* Remote definition of an elementary stream format (MMAL_ES_FORMAT_T) */ -+struct mmal_es_format { -+ u32 type; /* enum mmal_es_type */ -+ -+ u32 encoding; /* FourCC specifying encoding of the elementary -+ * stream. -+ */ -+ u32 encoding_variant; /* FourCC specifying the specific -+ * encoding variant of the elementary -+ * stream. -+ */ -+ -+ u32 es; /* Type specific -+ * information for the -+ * elementary stream -+ */ -+ -+ u32 bitrate; /* Bitrate in bits per second */ -+ u32 flags; /* Flags describing properties of the elementary -+ * stream. -+ */ -+ -+ u32 extradata_size; /* Size of the codec specific data */ -+ u32 extradata; /* Codec specific data */ -+}; -+ -+#endif /* MMAL_MSG_FORMAT_H */ ---- /dev/null -+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-msg-port.h -@@ -0,0 +1,109 @@ -+/* SPDX-License-Identifier: GPL-2.0 */ -+/* -+ * Broadcom BM2835 V4L2 driver -+ * -+ * Copyright © 2013 Raspberry Pi (Trading) Ltd. -+ * -+ * Authors: Vincent Sanders @ Collabora -+ * Dave Stevenson @ Broadcom -+ * (now dave.stevenson@raspberrypi.org) -+ * Simon Mellor @ Broadcom -+ * Luke Diamand @ Broadcom -+ */ -+ -+/* MMAL_PORT_TYPE_T */ -+enum mmal_port_type { -+ MMAL_PORT_TYPE_UNKNOWN = 0, /* Unknown port type */ -+ MMAL_PORT_TYPE_CONTROL, /* Control port */ -+ MMAL_PORT_TYPE_INPUT, /* Input port */ -+ MMAL_PORT_TYPE_OUTPUT, /* Output port */ -+ MMAL_PORT_TYPE_CLOCK, /* Clock port */ -+}; -+ -+/* The port is pass-through and doesn't need buffer headers allocated */ -+#define MMAL_PORT_CAPABILITY_PASSTHROUGH 0x01 -+/* -+ *The port wants to allocate the buffer payloads. -+ * This signals a preference that payload allocation should be done -+ * on this port for efficiency reasons. -+ */ -+#define MMAL_PORT_CAPABILITY_ALLOCATION 0x02 -+/* -+ * The port supports format change events. -+ * This applies to input ports and is used to let the client know -+ * whether the port supports being reconfigured via a format -+ * change event (i.e. without having to disable the port). -+ */ -+#define MMAL_PORT_CAPABILITY_SUPPORTS_EVENT_FORMAT_CHANGE 0x04 -+ -+/* -+ * mmal port structure (MMAL_PORT_T) -+ * -+ * most elements are informational only, the pointer values for -+ * interogation messages are generally provided as additional -+ * structures within the message. When used to set values only the -+ * buffer_num, buffer_size and userdata parameters are writable. -+ */ -+struct mmal_port { -+ u32 priv; /* Private member used by the framework */ -+ u32 name; /* Port name. Used for debugging purposes (RO) */ -+ -+ u32 type; /* Type of the port (RO) enum mmal_port_type */ -+ u16 index; /* Index of the port in its type list (RO) */ -+ u16 index_all; /* Index of the port in the list of all ports (RO) */ -+ -+ u32 is_enabled; /* Indicates whether the port is enabled or not (RO) */ -+ u32 format; /* Format of the elementary stream */ -+ -+ u32 buffer_num_min; /* Minimum number of buffers the port -+ * requires (RO). This is set by the -+ * component. -+ */ -+ -+ u32 buffer_size_min; /* Minimum size of buffers the port -+ * requires (RO). This is set by the -+ * component. -+ */ -+ -+ u32 buffer_alignment_min;/* Minimum alignment requirement for -+ * the buffers (RO). A value of -+ * zero means no special alignment -+ * requirements. This is set by the -+ * component. -+ */ -+ -+ u32 buffer_num_recommended; /* Number of buffers the port -+ * recommends for optimal -+ * performance (RO). A value of -+ * zero means no special -+ * recommendation. This is set -+ * by the component. -+ */ -+ -+ u32 buffer_size_recommended; /* Size of buffers the port -+ * recommends for optimal -+ * performance (RO). A value of -+ * zero means no special -+ * recommendation. This is set -+ * by the component. -+ */ -+ -+ u32 buffer_num; /* Actual number of buffers the port will use. -+ * This is set by the client. -+ */ -+ -+ u32 buffer_size; /* Actual maximum size of the buffers that -+ * will be sent to the port. This is set by -+ * the client. -+ */ -+ -+ u32 component; /* Component this port belongs to (Read Only) */ -+ -+ u32 userdata; /* Field reserved for use by the client */ -+ -+ u32 capabilities; /* Flags describing the capabilities of a -+ * port (RO). Bitwise combination of \ref -+ * portcapabilities "Port capabilities" -+ * values. -+ */ -+}; ---- /dev/null -+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-msg.h -@@ -0,0 +1,406 @@ -+/* SPDX-License-Identifier: GPL-2.0 */ -+/* -+ * Broadcom BM2835 V4L2 driver -+ * -+ * Copyright © 2013 Raspberry Pi (Trading) Ltd. -+ * -+ * Authors: Vincent Sanders @ Collabora -+ * Dave Stevenson @ Broadcom -+ * (now dave.stevenson@raspberrypi.org) -+ * Simon Mellor @ Broadcom -+ * Luke Diamand @ Broadcom -+ */ -+ -+/* -+ * all the data structures which serialise the MMAL protocol. note -+ * these are directly mapped onto the recived message data. -+ * -+ * BEWARE: They seem to *assume* pointers are u32 and that there is no -+ * structure padding! -+ * -+ * NOTE: this implementation uses kernel types to ensure sizes. Rather -+ * than assigning values to enums to force their size the -+ * implementation uses fixed size types and not the enums (though the -+ * comments have the actual enum type -+ */ -+#ifndef MMAL_MSG_H -+#define MMAL_MSG_H -+ -+#define VC_MMAL_VER 15 -+#define VC_MMAL_MIN_VER 10 -+#define VC_MMAL_SERVER_NAME MAKE_FOURCC("mmal") -+ -+/* max total message size is 512 bytes */ -+#define MMAL_MSG_MAX_SIZE 512 -+/* with six 32bit header elements max payload is therefore 488 bytes */ -+#define MMAL_MSG_MAX_PAYLOAD 488 -+ -+#include "mmal-msg-common.h" -+#include "mmal-msg-format.h" -+#include "mmal-msg-port.h" -+ -+enum mmal_msg_type { -+ MMAL_MSG_TYPE_QUIT = 1, -+ MMAL_MSG_TYPE_SERVICE_CLOSED, -+ MMAL_MSG_TYPE_GET_VERSION, -+ MMAL_MSG_TYPE_COMPONENT_CREATE, -+ MMAL_MSG_TYPE_COMPONENT_DESTROY, /* 5 */ -+ MMAL_MSG_TYPE_COMPONENT_ENABLE, -+ MMAL_MSG_TYPE_COMPONENT_DISABLE, -+ MMAL_MSG_TYPE_PORT_INFO_GET, -+ MMAL_MSG_TYPE_PORT_INFO_SET, -+ MMAL_MSG_TYPE_PORT_ACTION, /* 10 */ -+ MMAL_MSG_TYPE_BUFFER_FROM_HOST, -+ MMAL_MSG_TYPE_BUFFER_TO_HOST, -+ MMAL_MSG_TYPE_GET_STATS, -+ MMAL_MSG_TYPE_PORT_PARAMETER_SET, -+ MMAL_MSG_TYPE_PORT_PARAMETER_GET, /* 15 */ -+ MMAL_MSG_TYPE_EVENT_TO_HOST, -+ MMAL_MSG_TYPE_GET_CORE_STATS_FOR_PORT, -+ MMAL_MSG_TYPE_OPAQUE_ALLOCATOR, -+ MMAL_MSG_TYPE_CONSUME_MEM, -+ MMAL_MSG_TYPE_LMK, /* 20 */ -+ MMAL_MSG_TYPE_OPAQUE_ALLOCATOR_DESC, -+ MMAL_MSG_TYPE_DRM_GET_LHS32, -+ MMAL_MSG_TYPE_DRM_GET_TIME, -+ MMAL_MSG_TYPE_BUFFER_FROM_HOST_ZEROLEN, -+ MMAL_MSG_TYPE_PORT_FLUSH, /* 25 */ -+ MMAL_MSG_TYPE_HOST_LOG, -+ MMAL_MSG_TYPE_MSG_LAST -+}; -+ -+/* port action request messages differ depending on the action type */ -+enum mmal_msg_port_action_type { -+ MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0, /* Unknown action */ -+ MMAL_MSG_PORT_ACTION_TYPE_ENABLE, /* Enable a port */ -+ MMAL_MSG_PORT_ACTION_TYPE_DISABLE, /* Disable a port */ -+ MMAL_MSG_PORT_ACTION_TYPE_FLUSH, /* Flush a port */ -+ MMAL_MSG_PORT_ACTION_TYPE_CONNECT, /* Connect ports */ -+ MMAL_MSG_PORT_ACTION_TYPE_DISCONNECT, /* Disconnect ports */ -+ MMAL_MSG_PORT_ACTION_TYPE_SET_REQUIREMENTS, /* Set buffer requirements*/ -+}; -+ -+struct mmal_msg_header { -+ u32 magic; -+ u32 type; /* enum mmal_msg_type */ -+ -+ /* Opaque handle to the control service */ -+ u32 control_service; -+ -+ u32 context; /* a u32 per message context */ -+ u32 status; /* The status of the vchiq operation */ -+ u32 padding; -+}; -+ -+/* Send from VC to host to report version */ -+struct mmal_msg_version { -+ u32 flags; -+ u32 major; -+ u32 minor; -+ u32 minimum; -+}; -+ -+/* request to VC to create component */ -+struct mmal_msg_component_create { -+ u32 client_component; /* component context */ -+ char name[128]; -+ u32 pid; /* For debug */ -+}; -+ -+/* reply from VC to component creation request */ -+struct mmal_msg_component_create_reply { -+ u32 status; /* enum mmal_msg_status - how does this differ to -+ * the one in the header? -+ */ -+ u32 component_handle; /* VideoCore handle for component */ -+ u32 input_num; /* Number of input ports */ -+ u32 output_num; /* Number of output ports */ -+ u32 clock_num; /* Number of clock ports */ -+}; -+ -+/* request to VC to destroy a component */ -+struct mmal_msg_component_destroy { -+ u32 component_handle; -+}; -+ -+struct mmal_msg_component_destroy_reply { -+ u32 status; /* The component destruction status */ -+}; -+ -+/* request and reply to VC to enable a component */ -+struct mmal_msg_component_enable { -+ u32 component_handle; -+}; -+ -+struct mmal_msg_component_enable_reply { -+ u32 status; /* The component enable status */ -+}; -+ -+/* request and reply to VC to disable a component */ -+struct mmal_msg_component_disable { -+ u32 component_handle; -+}; -+ -+struct mmal_msg_component_disable_reply { -+ u32 status; /* The component disable status */ -+}; -+ -+/* request to VC to get port information */ -+struct mmal_msg_port_info_get { -+ u32 component_handle; /* component handle port is associated with */ -+ u32 port_type; /* enum mmal_msg_port_type */ -+ u32 index; /* port index to query */ -+}; -+ -+/* reply from VC to get port info request */ -+struct mmal_msg_port_info_get_reply { -+ u32 status; /* enum mmal_msg_status */ -+ u32 component_handle; /* component handle port is associated with */ -+ u32 port_type; /* enum mmal_msg_port_type */ -+ u32 port_index; /* port indexed in query */ -+ s32 found; /* unused */ -+ u32 port_handle; /* Handle to use for this port */ -+ struct mmal_port port; -+ struct mmal_es_format format; /* elementary stream format */ -+ union mmal_es_specific_format es; /* es type specific data */ -+ u8 extradata[MMAL_FORMAT_EXTRADATA_MAX_SIZE]; /* es extra data */ -+}; -+ -+/* request to VC to set port information */ -+struct mmal_msg_port_info_set { -+ u32 component_handle; -+ u32 port_type; /* enum mmal_msg_port_type */ -+ u32 port_index; /* port indexed in query */ -+ struct mmal_port port; -+ struct mmal_es_format format; -+ union mmal_es_specific_format es; -+ u8 extradata[MMAL_FORMAT_EXTRADATA_MAX_SIZE]; -+}; -+ -+/* reply from VC to port info set request */ -+struct mmal_msg_port_info_set_reply { -+ u32 status; -+ u32 component_handle; /* component handle port is associated with */ -+ u32 port_type; /* enum mmal_msg_port_type */ -+ u32 index; /* port indexed in query */ -+ s32 found; /* unused */ -+ u32 port_handle; /* Handle to use for this port */ -+ struct mmal_port port; -+ struct mmal_es_format format; -+ union mmal_es_specific_format es; -+ u8 extradata[MMAL_FORMAT_EXTRADATA_MAX_SIZE]; -+}; -+ -+/* port action requests that take a mmal_port as a parameter */ -+struct mmal_msg_port_action_port { -+ u32 component_handle; -+ u32 port_handle; -+ u32 action; /* enum mmal_msg_port_action_type */ -+ struct mmal_port port; -+}; -+ -+/* port action requests that take handles as a parameter */ -+struct mmal_msg_port_action_handle { -+ u32 component_handle; -+ u32 port_handle; -+ u32 action; /* enum mmal_msg_port_action_type */ -+ u32 connect_component_handle; -+ u32 connect_port_handle; -+}; -+ -+struct mmal_msg_port_action_reply { -+ u32 status; /* The port action operation status */ -+}; -+ -+/* MMAL buffer transfer */ -+ -+/* Size of space reserved in a buffer message for short messages. */ -+#define MMAL_VC_SHORT_DATA 128 -+ -+/* Signals that the current payload is the end of the stream of data */ -+#define MMAL_BUFFER_HEADER_FLAG_EOS BIT(0) -+/* Signals that the start of the current payload starts a frame */ -+#define MMAL_BUFFER_HEADER_FLAG_FRAME_START BIT(1) -+/* Signals that the end of the current payload ends a frame */ -+#define MMAL_BUFFER_HEADER_FLAG_FRAME_END BIT(2) -+/* Signals that the current payload contains only complete frames (>1) */ -+#define MMAL_BUFFER_HEADER_FLAG_FRAME \ -+ (MMAL_BUFFER_HEADER_FLAG_FRAME_START | \ -+ MMAL_BUFFER_HEADER_FLAG_FRAME_END) -+/* Signals that the current payload is a keyframe (i.e. self decodable) */ -+#define MMAL_BUFFER_HEADER_FLAG_KEYFRAME BIT(3) -+/* -+ * Signals a discontinuity in the stream of data (e.g. after a seek). -+ * Can be used for instance by a decoder to reset its state -+ */ -+#define MMAL_BUFFER_HEADER_FLAG_DISCONTINUITY BIT(4) -+/* -+ * Signals a buffer containing some kind of config data for the component -+ * (e.g. codec config data) -+ */ -+#define MMAL_BUFFER_HEADER_FLAG_CONFIG BIT(5) -+/* Signals an encrypted payload */ -+#define MMAL_BUFFER_HEADER_FLAG_ENCRYPTED BIT(6) -+/* Signals a buffer containing side information */ -+#define MMAL_BUFFER_HEADER_FLAG_CODECSIDEINFO BIT(7) -+/* -+ * Signals a buffer which is the snapshot/postview image from a stills -+ * capture -+ */ -+#define MMAL_BUFFER_HEADER_FLAGS_SNAPSHOT BIT(8) -+/* Signals a buffer which contains data known to be corrupted */ -+#define MMAL_BUFFER_HEADER_FLAG_CORRUPTED BIT(9) -+/* Signals that a buffer failed to be transmitted */ -+#define MMAL_BUFFER_HEADER_FLAG_TRANSMISSION_FAILED BIT(10) -+ -+struct mmal_driver_buffer { -+ u32 magic; -+ u32 component_handle; -+ u32 port_handle; -+ u32 client_context; -+}; -+ -+/* buffer header */ -+struct mmal_buffer_header { -+ u32 next; /* next header */ -+ u32 priv; /* framework private data */ -+ u32 cmd; -+ u32 data; -+ u32 alloc_size; -+ u32 length; -+ u32 offset; -+ u32 flags; -+ s64 pts; -+ s64 dts; -+ u32 type; -+ u32 user_data; -+}; -+ -+struct mmal_buffer_header_type_specific { -+ union { -+ struct { -+ u32 planes; -+ u32 offset[4]; -+ u32 pitch[4]; -+ u32 flags; -+ } video; -+ } u; -+}; -+ -+struct mmal_msg_buffer_from_host { -+ /* -+ *The front 32 bytes of the buffer header are copied -+ * back to us in the reply to allow for context. This -+ * area is used to store two mmal_driver_buffer structures to -+ * allow for multiple concurrent service users. -+ */ -+ /* control data */ -+ struct mmal_driver_buffer drvbuf; -+ -+ /* referenced control data for passthrough buffer management */ -+ struct mmal_driver_buffer drvbuf_ref; -+ struct mmal_buffer_header buffer_header; /* buffer header itself */ -+ struct mmal_buffer_header_type_specific buffer_header_type_specific; -+ s32 is_zero_copy; -+ s32 has_reference; -+ -+ /* allows short data to be xfered in control message */ -+ u32 payload_in_message; -+ u8 short_data[MMAL_VC_SHORT_DATA]; -+}; -+ -+/* port parameter setting */ -+ -+#define MMAL_WORKER_PORT_PARAMETER_SPACE 96 -+ -+struct mmal_msg_port_parameter_set { -+ u32 component_handle; /* component */ -+ u32 port_handle; /* port */ -+ u32 id; /* Parameter ID */ -+ u32 size; /* Parameter size */ -+ uint32_t value[MMAL_WORKER_PORT_PARAMETER_SPACE]; -+}; -+ -+struct mmal_msg_port_parameter_set_reply { -+ u32 status; /* enum mmal_msg_status todo: how does this -+ * differ to the one in the header? -+ */ -+}; -+ -+/* port parameter getting */ -+ -+struct mmal_msg_port_parameter_get { -+ u32 component_handle; /* component */ -+ u32 port_handle; /* port */ -+ u32 id; /* Parameter ID */ -+ u32 size; /* Parameter size */ -+}; -+ -+struct mmal_msg_port_parameter_get_reply { -+ u32 status; /* Status of mmal_port_parameter_get call */ -+ u32 id; /* Parameter ID */ -+ u32 size; /* Parameter size */ -+ uint32_t value[MMAL_WORKER_PORT_PARAMETER_SPACE]; -+}; -+ -+/* event messages */ -+#define MMAL_WORKER_EVENT_SPACE 256 -+ -+struct mmal_msg_event_to_host { -+ u32 client_component; /* component context */ -+ -+ u32 port_type; -+ u32 port_num; -+ -+ u32 cmd; -+ u32 length; -+ u8 data[MMAL_WORKER_EVENT_SPACE]; -+ u32 delayed_buffer; -+}; -+ -+/* all mmal messages are serialised through this structure */ -+struct mmal_msg { -+ /* header */ -+ struct mmal_msg_header h; -+ /* payload */ -+ union { -+ struct mmal_msg_version version; -+ -+ struct mmal_msg_component_create component_create; -+ struct mmal_msg_component_create_reply component_create_reply; -+ -+ struct mmal_msg_component_destroy component_destroy; -+ struct mmal_msg_component_destroy_reply component_destroy_reply; -+ -+ struct mmal_msg_component_enable component_enable; -+ struct mmal_msg_component_enable_reply component_enable_reply; -+ -+ struct mmal_msg_component_disable component_disable; -+ struct mmal_msg_component_disable_reply component_disable_reply; -+ -+ struct mmal_msg_port_info_get port_info_get; -+ struct mmal_msg_port_info_get_reply port_info_get_reply; -+ -+ struct mmal_msg_port_info_set port_info_set; -+ struct mmal_msg_port_info_set_reply port_info_set_reply; -+ -+ struct mmal_msg_port_action_port port_action_port; -+ struct mmal_msg_port_action_handle port_action_handle; -+ struct mmal_msg_port_action_reply port_action_reply; -+ -+ struct mmal_msg_buffer_from_host buffer_from_host; -+ -+ struct mmal_msg_port_parameter_set port_parameter_set; -+ struct mmal_msg_port_parameter_set_reply -+ port_parameter_set_reply; -+ struct mmal_msg_port_parameter_get -+ port_parameter_get; -+ struct mmal_msg_port_parameter_get_reply -+ port_parameter_get_reply; -+ -+ struct mmal_msg_event_to_host event_to_host; -+ -+ u8 payload[MMAL_MSG_MAX_PAYLOAD]; -+ } u; -+}; -+#endif ---- /dev/null -+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h -@@ -0,0 +1,755 @@ -+/* SPDX-License-Identifier: GPL-2.0 */ -+/* -+ * Broadcom BM2835 V4L2 driver -+ * -+ * Copyright © 2013 Raspberry Pi (Trading) Ltd. -+ * -+ * Authors: Vincent Sanders @ Collabora -+ * Dave Stevenson @ Broadcom -+ * (now dave.stevenson@raspberrypi.org) -+ * Simon Mellor @ Broadcom -+ * Luke Diamand @ Broadcom -+ */ -+ -+/* common parameters */ -+ -+/** @name Parameter groups -+ * Parameters are divided into groups, and then allocated sequentially within -+ * a group using an enum. -+ * @{ -+ */ -+ -+#ifndef MMAL_PARAMETERS_H -+#define MMAL_PARAMETERS_H -+ -+/** Common parameter ID group, used with many types of component. */ -+#define MMAL_PARAMETER_GROUP_COMMON (0 << 16) -+/** Camera-specific parameter ID group. */ -+#define MMAL_PARAMETER_GROUP_CAMERA (1 << 16) -+/** Video-specific parameter ID group. */ -+#define MMAL_PARAMETER_GROUP_VIDEO (2 << 16) -+/** Audio-specific parameter ID group. */ -+#define MMAL_PARAMETER_GROUP_AUDIO (3 << 16) -+/** Clock-specific parameter ID group. */ -+#define MMAL_PARAMETER_GROUP_CLOCK (4 << 16) -+/** Miracast-specific parameter ID group. */ -+#define MMAL_PARAMETER_GROUP_MIRACAST (5 << 16) -+ -+/* Common parameters */ -+enum mmal_parameter_common_type { -+ /**< Never a valid parameter ID */ -+ MMAL_PARAMETER_UNUSED = MMAL_PARAMETER_GROUP_COMMON, -+ -+ /**< MMAL_PARAMETER_ENCODING_T */ -+ MMAL_PARAMETER_SUPPORTED_ENCODINGS, -+ /**< MMAL_PARAMETER_URI_T */ -+ MMAL_PARAMETER_URI, -+ /** MMAL_PARAMETER_CHANGE_EVENT_REQUEST_T */ -+ MMAL_PARAMETER_CHANGE_EVENT_REQUEST, -+ /** MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_ZERO_COPY, -+ /**< MMAL_PARAMETER_BUFFER_REQUIREMENTS_T */ -+ MMAL_PARAMETER_BUFFER_REQUIREMENTS, -+ /**< MMAL_PARAMETER_STATISTICS_T */ -+ MMAL_PARAMETER_STATISTICS, -+ /**< MMAL_PARAMETER_CORE_STATISTICS_T */ -+ MMAL_PARAMETER_CORE_STATISTICS, -+ /**< MMAL_PARAMETER_MEM_USAGE_T */ -+ MMAL_PARAMETER_MEM_USAGE, -+ /**< MMAL_PARAMETER_UINT32_T */ -+ MMAL_PARAMETER_BUFFER_FLAG_FILTER, -+ /**< MMAL_PARAMETER_SEEK_T */ -+ MMAL_PARAMETER_SEEK, -+ /**< MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_POWERMON_ENABLE, -+ /**< MMAL_PARAMETER_LOGGING_T */ -+ MMAL_PARAMETER_LOGGING, -+ /**< MMAL_PARAMETER_UINT64_T */ -+ MMAL_PARAMETER_SYSTEM_TIME, -+ /**< MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_NO_IMAGE_PADDING, -+}; -+ -+/* camera parameters */ -+ -+enum mmal_parameter_camera_type { -+ /* 0 */ -+ /** @ref MMAL_PARAMETER_THUMBNAIL_CONFIG_T */ -+ MMAL_PARAMETER_THUMBNAIL_CONFIGURATION = -+ MMAL_PARAMETER_GROUP_CAMERA, -+ /**< Unused? */ -+ MMAL_PARAMETER_CAPTURE_QUALITY, -+ /**< @ref MMAL_PARAMETER_INT32_T */ -+ MMAL_PARAMETER_ROTATION, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_EXIF_DISABLE, -+ /**< @ref MMAL_PARAMETER_EXIF_T */ -+ MMAL_PARAMETER_EXIF, -+ /**< @ref MMAL_PARAM_AWBMODE_T */ -+ MMAL_PARAMETER_AWB_MODE, -+ /**< @ref MMAL_PARAMETER_IMAGEFX_T */ -+ MMAL_PARAMETER_IMAGE_EFFECT, -+ /**< @ref MMAL_PARAMETER_COLOURFX_T */ -+ MMAL_PARAMETER_COLOUR_EFFECT, -+ /**< @ref MMAL_PARAMETER_FLICKERAVOID_T */ -+ MMAL_PARAMETER_FLICKER_AVOID, -+ /**< @ref MMAL_PARAMETER_FLASH_T */ -+ MMAL_PARAMETER_FLASH, -+ /**< @ref MMAL_PARAMETER_REDEYE_T */ -+ MMAL_PARAMETER_REDEYE, -+ /**< @ref MMAL_PARAMETER_FOCUS_T */ -+ MMAL_PARAMETER_FOCUS, -+ /**< Unused? */ -+ MMAL_PARAMETER_FOCAL_LENGTHS, -+ /**< @ref MMAL_PARAMETER_INT32_T */ -+ MMAL_PARAMETER_EXPOSURE_COMP, -+ /**< @ref MMAL_PARAMETER_SCALEFACTOR_T */ -+ MMAL_PARAMETER_ZOOM, -+ /**< @ref MMAL_PARAMETER_MIRROR_T */ -+ MMAL_PARAMETER_MIRROR, -+ -+ /* 0x10 */ -+ /**< @ref MMAL_PARAMETER_UINT32_T */ -+ MMAL_PARAMETER_CAMERA_NUM, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_CAPTURE, -+ /**< @ref MMAL_PARAMETER_EXPOSUREMODE_T */ -+ MMAL_PARAMETER_EXPOSURE_MODE, -+ /**< @ref MMAL_PARAMETER_EXPOSUREMETERINGMODE_T */ -+ MMAL_PARAMETER_EXP_METERING_MODE, -+ /**< @ref MMAL_PARAMETER_FOCUS_STATUS_T */ -+ MMAL_PARAMETER_FOCUS_STATUS, -+ /**< @ref MMAL_PARAMETER_CAMERA_CONFIG_T */ -+ MMAL_PARAMETER_CAMERA_CONFIG, -+ /**< @ref MMAL_PARAMETER_CAPTURE_STATUS_T */ -+ MMAL_PARAMETER_CAPTURE_STATUS, -+ /**< @ref MMAL_PARAMETER_FACE_TRACK_T */ -+ MMAL_PARAMETER_FACE_TRACK, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_DRAW_BOX_FACES_AND_FOCUS, -+ /**< @ref MMAL_PARAMETER_UINT32_T */ -+ MMAL_PARAMETER_JPEG_Q_FACTOR, -+ /**< @ref MMAL_PARAMETER_FRAME_RATE_T */ -+ MMAL_PARAMETER_FRAME_RATE, -+ /**< @ref MMAL_PARAMETER_CAMERA_STC_MODE_T */ -+ MMAL_PARAMETER_USE_STC, -+ /**< @ref MMAL_PARAMETER_CAMERA_INFO_T */ -+ MMAL_PARAMETER_CAMERA_INFO, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_VIDEO_STABILISATION, -+ /**< @ref MMAL_PARAMETER_FACE_TRACK_RESULTS_T */ -+ MMAL_PARAMETER_FACE_TRACK_RESULTS, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_ENABLE_RAW_CAPTURE, -+ -+ /* 0x20 */ -+ /**< @ref MMAL_PARAMETER_URI_T */ -+ MMAL_PARAMETER_DPF_FILE, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_ENABLE_DPF_FILE, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_DPF_FAIL_IS_FATAL, -+ /**< @ref MMAL_PARAMETER_CAPTUREMODE_T */ -+ MMAL_PARAMETER_CAPTURE_MODE, -+ /**< @ref MMAL_PARAMETER_FOCUS_REGIONS_T */ -+ MMAL_PARAMETER_FOCUS_REGIONS, -+ /**< @ref MMAL_PARAMETER_INPUT_CROP_T */ -+ MMAL_PARAMETER_INPUT_CROP, -+ /**< @ref MMAL_PARAMETER_SENSOR_INFORMATION_T */ -+ MMAL_PARAMETER_SENSOR_INFORMATION, -+ /**< @ref MMAL_PARAMETER_FLASH_SELECT_T */ -+ MMAL_PARAMETER_FLASH_SELECT, -+ /**< @ref MMAL_PARAMETER_FIELD_OF_VIEW_T */ -+ MMAL_PARAMETER_FIELD_OF_VIEW, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_HIGH_DYNAMIC_RANGE, -+ /**< @ref MMAL_PARAMETER_DRC_T */ -+ MMAL_PARAMETER_DYNAMIC_RANGE_COMPRESSION, -+ /**< @ref MMAL_PARAMETER_ALGORITHM_CONTROL_T */ -+ MMAL_PARAMETER_ALGORITHM_CONTROL, -+ /**< @ref MMAL_PARAMETER_RATIONAL_T */ -+ MMAL_PARAMETER_SHARPNESS, -+ /**< @ref MMAL_PARAMETER_RATIONAL_T */ -+ MMAL_PARAMETER_CONTRAST, -+ /**< @ref MMAL_PARAMETER_RATIONAL_T */ -+ MMAL_PARAMETER_BRIGHTNESS, -+ /**< @ref MMAL_PARAMETER_RATIONAL_T */ -+ MMAL_PARAMETER_SATURATION, -+ -+ /* 0x30 */ -+ /**< @ref MMAL_PARAMETER_UINT32_T */ -+ MMAL_PARAMETER_ISO, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_ANTISHAKE, -+ /** @ref MMAL_PARAMETER_IMAGEFX_PARAMETERS_T */ -+ MMAL_PARAMETER_IMAGE_EFFECT_PARAMETERS, -+ /** @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_CAMERA_BURST_CAPTURE, -+ /** @ref MMAL_PARAMETER_UINT32_T */ -+ MMAL_PARAMETER_CAMERA_MIN_ISO, -+ /** @ref MMAL_PARAMETER_CAMERA_USE_CASE_T */ -+ MMAL_PARAMETER_CAMERA_USE_CASE, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_CAPTURE_STATS_PASS, -+ /** @ref MMAL_PARAMETER_UINT32_T */ -+ MMAL_PARAMETER_CAMERA_CUSTOM_SENSOR_CONFIG, -+ /** @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_ENABLE_REGISTER_FILE, -+ /** @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_REGISTER_FAIL_IS_FATAL, -+ /** @ref MMAL_PARAMETER_CONFIGFILE_T */ -+ MMAL_PARAMETER_CONFIGFILE_REGISTERS, -+ /** @ref MMAL_PARAMETER_CONFIGFILE_CHUNK_T */ -+ MMAL_PARAMETER_CONFIGFILE_CHUNK_REGISTERS, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_JPEG_ATTACH_LOG, -+ /**< @ref MMAL_PARAMETER_ZEROSHUTTERLAG_T */ -+ MMAL_PARAMETER_ZERO_SHUTTER_LAG, -+ /**< @ref MMAL_PARAMETER_FPS_RANGE_T */ -+ MMAL_PARAMETER_FPS_RANGE, -+ /**< @ref MMAL_PARAMETER_INT32_T */ -+ MMAL_PARAMETER_CAPTURE_EXPOSURE_COMP, -+ -+ /* 0x40 */ -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_SW_SHARPEN_DISABLE, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_FLASH_REQUIRED, -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_SW_SATURATION_DISABLE, -+ /**< Takes a @ref MMAL_PARAMETER_UINT32_T */ -+ MMAL_PARAMETER_SHUTTER_SPEED, -+ /**< Takes a @ref MMAL_PARAMETER_AWB_GAINS_T */ -+ MMAL_PARAMETER_CUSTOM_AWB_GAINS, -+}; -+ -+struct mmal_parameter_rational { -+ s32 num; /**< Numerator */ -+ s32 den; /**< Denominator */ -+}; -+ -+enum mmal_parameter_camera_config_timestamp_mode { -+ MMAL_PARAM_TIMESTAMP_MODE_ZERO = 0, /* Always timestamp frames as 0 */ -+ MMAL_PARAM_TIMESTAMP_MODE_RAW_STC, /* Use the raw STC value -+ * for the frame timestamp -+ */ -+ MMAL_PARAM_TIMESTAMP_MODE_RESET_STC, /* Use the STC timestamp -+ * but subtract the -+ * timestamp of the first -+ * frame sent to give a -+ * zero based timestamp. -+ */ -+}; -+ -+struct mmal_parameter_fps_range { -+ /**< Low end of the permitted framerate range */ -+ struct mmal_parameter_rational fps_low; -+ /**< High end of the permitted framerate range */ -+ struct mmal_parameter_rational fps_high; -+}; -+ -+/* camera configuration parameter */ -+struct mmal_parameter_camera_config { -+ /* Parameters for setting up the image pools */ -+ u32 max_stills_w; /* Max size of stills capture */ -+ u32 max_stills_h; -+ u32 stills_yuv422; /* Allow YUV422 stills capture */ -+ u32 one_shot_stills; /* Continuous or one shot stills captures. */ -+ -+ u32 max_preview_video_w; /* Max size of the preview or video -+ * capture frames -+ */ -+ u32 max_preview_video_h; -+ u32 num_preview_video_frames; -+ -+ /** Sets the height of the circular buffer for stills capture. */ -+ u32 stills_capture_circular_buffer_height; -+ -+ /** Allows preview/encode to resume as fast as possible after the stills -+ * input frame has been received, and then processes the still frame in -+ * the background whilst preview/encode has resumed. -+ * Actual mode is controlled by MMAL_PARAMETER_CAPTURE_MODE. -+ */ -+ u32 fast_preview_resume; -+ -+ /** Selects algorithm for timestamping frames if -+ * there is no clock component connected. -+ * enum mmal_parameter_camera_config_timestamp_mode -+ */ -+ s32 use_stc_timestamp; -+}; -+ -+enum mmal_parameter_exposuremode { -+ MMAL_PARAM_EXPOSUREMODE_OFF, -+ MMAL_PARAM_EXPOSUREMODE_AUTO, -+ MMAL_PARAM_EXPOSUREMODE_NIGHT, -+ MMAL_PARAM_EXPOSUREMODE_NIGHTPREVIEW, -+ MMAL_PARAM_EXPOSUREMODE_BACKLIGHT, -+ MMAL_PARAM_EXPOSUREMODE_SPOTLIGHT, -+ MMAL_PARAM_EXPOSUREMODE_SPORTS, -+ MMAL_PARAM_EXPOSUREMODE_SNOW, -+ MMAL_PARAM_EXPOSUREMODE_BEACH, -+ MMAL_PARAM_EXPOSUREMODE_VERYLONG, -+ MMAL_PARAM_EXPOSUREMODE_FIXEDFPS, -+ MMAL_PARAM_EXPOSUREMODE_ANTISHAKE, -+ MMAL_PARAM_EXPOSUREMODE_FIREWORKS, -+}; -+ -+enum mmal_parameter_exposuremeteringmode { -+ MMAL_PARAM_EXPOSUREMETERINGMODE_AVERAGE, -+ MMAL_PARAM_EXPOSUREMETERINGMODE_SPOT, -+ MMAL_PARAM_EXPOSUREMETERINGMODE_BACKLIT, -+ MMAL_PARAM_EXPOSUREMETERINGMODE_MATRIX, -+}; -+ -+enum mmal_parameter_awbmode { -+ MMAL_PARAM_AWBMODE_OFF, -+ MMAL_PARAM_AWBMODE_AUTO, -+ MMAL_PARAM_AWBMODE_SUNLIGHT, -+ MMAL_PARAM_AWBMODE_CLOUDY, -+ MMAL_PARAM_AWBMODE_SHADE, -+ MMAL_PARAM_AWBMODE_TUNGSTEN, -+ MMAL_PARAM_AWBMODE_FLUORESCENT, -+ MMAL_PARAM_AWBMODE_INCANDESCENT, -+ MMAL_PARAM_AWBMODE_FLASH, -+ MMAL_PARAM_AWBMODE_HORIZON, -+}; -+ -+enum mmal_parameter_imagefx { -+ MMAL_PARAM_IMAGEFX_NONE, -+ MMAL_PARAM_IMAGEFX_NEGATIVE, -+ MMAL_PARAM_IMAGEFX_SOLARIZE, -+ MMAL_PARAM_IMAGEFX_POSTERIZE, -+ MMAL_PARAM_IMAGEFX_WHITEBOARD, -+ MMAL_PARAM_IMAGEFX_BLACKBOARD, -+ MMAL_PARAM_IMAGEFX_SKETCH, -+ MMAL_PARAM_IMAGEFX_DENOISE, -+ MMAL_PARAM_IMAGEFX_EMBOSS, -+ MMAL_PARAM_IMAGEFX_OILPAINT, -+ MMAL_PARAM_IMAGEFX_HATCH, -+ MMAL_PARAM_IMAGEFX_GPEN, -+ MMAL_PARAM_IMAGEFX_PASTEL, -+ MMAL_PARAM_IMAGEFX_WATERCOLOUR, -+ MMAL_PARAM_IMAGEFX_FILM, -+ MMAL_PARAM_IMAGEFX_BLUR, -+ MMAL_PARAM_IMAGEFX_SATURATION, -+ MMAL_PARAM_IMAGEFX_COLOURSWAP, -+ MMAL_PARAM_IMAGEFX_WASHEDOUT, -+ MMAL_PARAM_IMAGEFX_POSTERISE, -+ MMAL_PARAM_IMAGEFX_COLOURPOINT, -+ MMAL_PARAM_IMAGEFX_COLOURBALANCE, -+ MMAL_PARAM_IMAGEFX_CARTOON, -+}; -+ -+enum MMAL_PARAM_FLICKERAVOID_T { -+ MMAL_PARAM_FLICKERAVOID_OFF, -+ MMAL_PARAM_FLICKERAVOID_AUTO, -+ MMAL_PARAM_FLICKERAVOID_50HZ, -+ MMAL_PARAM_FLICKERAVOID_60HZ, -+ MMAL_PARAM_FLICKERAVOID_MAX = 0x7FFFFFFF -+}; -+ -+struct mmal_parameter_awbgains { -+ struct mmal_parameter_rational r_gain; /**< Red gain */ -+ struct mmal_parameter_rational b_gain; /**< Blue gain */ -+}; -+ -+/** Manner of video rate control */ -+enum mmal_parameter_rate_control_mode { -+ MMAL_VIDEO_RATECONTROL_DEFAULT, -+ MMAL_VIDEO_RATECONTROL_VARIABLE, -+ MMAL_VIDEO_RATECONTROL_CONSTANT, -+ MMAL_VIDEO_RATECONTROL_VARIABLE_SKIP_FRAMES, -+ MMAL_VIDEO_RATECONTROL_CONSTANT_SKIP_FRAMES -+}; -+ -+enum mmal_video_profile { -+ MMAL_VIDEO_PROFILE_H263_BASELINE, -+ MMAL_VIDEO_PROFILE_H263_H320CODING, -+ MMAL_VIDEO_PROFILE_H263_BACKWARDCOMPATIBLE, -+ MMAL_VIDEO_PROFILE_H263_ISWV2, -+ MMAL_VIDEO_PROFILE_H263_ISWV3, -+ MMAL_VIDEO_PROFILE_H263_HIGHCOMPRESSION, -+ MMAL_VIDEO_PROFILE_H263_INTERNET, -+ MMAL_VIDEO_PROFILE_H263_INTERLACE, -+ MMAL_VIDEO_PROFILE_H263_HIGHLATENCY, -+ MMAL_VIDEO_PROFILE_MP4V_SIMPLE, -+ MMAL_VIDEO_PROFILE_MP4V_SIMPLESCALABLE, -+ MMAL_VIDEO_PROFILE_MP4V_CORE, -+ MMAL_VIDEO_PROFILE_MP4V_MAIN, -+ MMAL_VIDEO_PROFILE_MP4V_NBIT, -+ MMAL_VIDEO_PROFILE_MP4V_SCALABLETEXTURE, -+ MMAL_VIDEO_PROFILE_MP4V_SIMPLEFACE, -+ MMAL_VIDEO_PROFILE_MP4V_SIMPLEFBA, -+ MMAL_VIDEO_PROFILE_MP4V_BASICANIMATED, -+ MMAL_VIDEO_PROFILE_MP4V_HYBRID, -+ MMAL_VIDEO_PROFILE_MP4V_ADVANCEDREALTIME, -+ MMAL_VIDEO_PROFILE_MP4V_CORESCALABLE, -+ MMAL_VIDEO_PROFILE_MP4V_ADVANCEDCODING, -+ MMAL_VIDEO_PROFILE_MP4V_ADVANCEDCORE, -+ MMAL_VIDEO_PROFILE_MP4V_ADVANCEDSCALABLE, -+ MMAL_VIDEO_PROFILE_MP4V_ADVANCEDSIMPLE, -+ MMAL_VIDEO_PROFILE_H264_BASELINE, -+ MMAL_VIDEO_PROFILE_H264_MAIN, -+ MMAL_VIDEO_PROFILE_H264_EXTENDED, -+ MMAL_VIDEO_PROFILE_H264_HIGH, -+ MMAL_VIDEO_PROFILE_H264_HIGH10, -+ MMAL_VIDEO_PROFILE_H264_HIGH422, -+ MMAL_VIDEO_PROFILE_H264_HIGH444, -+ MMAL_VIDEO_PROFILE_H264_CONSTRAINED_BASELINE, -+ MMAL_VIDEO_PROFILE_DUMMY = 0x7FFFFFFF -+}; -+ -+enum mmal_video_level { -+ MMAL_VIDEO_LEVEL_H263_10, -+ MMAL_VIDEO_LEVEL_H263_20, -+ MMAL_VIDEO_LEVEL_H263_30, -+ MMAL_VIDEO_LEVEL_H263_40, -+ MMAL_VIDEO_LEVEL_H263_45, -+ MMAL_VIDEO_LEVEL_H263_50, -+ MMAL_VIDEO_LEVEL_H263_60, -+ MMAL_VIDEO_LEVEL_H263_70, -+ MMAL_VIDEO_LEVEL_MP4V_0, -+ MMAL_VIDEO_LEVEL_MP4V_0b, -+ MMAL_VIDEO_LEVEL_MP4V_1, -+ MMAL_VIDEO_LEVEL_MP4V_2, -+ MMAL_VIDEO_LEVEL_MP4V_3, -+ MMAL_VIDEO_LEVEL_MP4V_4, -+ MMAL_VIDEO_LEVEL_MP4V_4a, -+ MMAL_VIDEO_LEVEL_MP4V_5, -+ MMAL_VIDEO_LEVEL_MP4V_6, -+ MMAL_VIDEO_LEVEL_H264_1, -+ MMAL_VIDEO_LEVEL_H264_1b, -+ MMAL_VIDEO_LEVEL_H264_11, -+ MMAL_VIDEO_LEVEL_H264_12, -+ MMAL_VIDEO_LEVEL_H264_13, -+ MMAL_VIDEO_LEVEL_H264_2, -+ MMAL_VIDEO_LEVEL_H264_21, -+ MMAL_VIDEO_LEVEL_H264_22, -+ MMAL_VIDEO_LEVEL_H264_3, -+ MMAL_VIDEO_LEVEL_H264_31, -+ MMAL_VIDEO_LEVEL_H264_32, -+ MMAL_VIDEO_LEVEL_H264_4, -+ MMAL_VIDEO_LEVEL_H264_41, -+ MMAL_VIDEO_LEVEL_H264_42, -+ MMAL_VIDEO_LEVEL_H264_5, -+ MMAL_VIDEO_LEVEL_H264_51, -+ MMAL_VIDEO_LEVEL_DUMMY = 0x7FFFFFFF -+}; -+ -+struct mmal_parameter_video_profile { -+ enum mmal_video_profile profile; -+ enum mmal_video_level level; -+}; -+ -+/* video parameters */ -+ -+enum mmal_parameter_video_type { -+ /** @ref MMAL_DISPLAYREGION_T */ -+ MMAL_PARAMETER_DISPLAYREGION = MMAL_PARAMETER_GROUP_VIDEO, -+ -+ /** @ref MMAL_PARAMETER_VIDEO_PROFILE_T */ -+ MMAL_PARAMETER_SUPPORTED_PROFILES, -+ -+ /** @ref MMAL_PARAMETER_VIDEO_PROFILE_T */ -+ MMAL_PARAMETER_PROFILE, -+ -+ /** @ref MMAL_PARAMETER_UINT32_T */ -+ MMAL_PARAMETER_INTRAPERIOD, -+ -+ /** @ref MMAL_PARAMETER_VIDEO_RATECONTROL_T */ -+ MMAL_PARAMETER_RATECONTROL, -+ -+ /** @ref MMAL_PARAMETER_VIDEO_NALUNITFORMAT_T */ -+ MMAL_PARAMETER_NALUNITFORMAT, -+ -+ /** @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_MINIMISE_FRAGMENTATION, -+ -+ /** @ref MMAL_PARAMETER_UINT32_T. -+ * Setting the value to zero resets to the default (one slice per -+ * frame). -+ */ -+ MMAL_PARAMETER_MB_ROWS_PER_SLICE, -+ -+ /** @ref MMAL_PARAMETER_VIDEO_LEVEL_EXTENSION_T */ -+ MMAL_PARAMETER_VIDEO_LEVEL_EXTENSION, -+ -+ /** @ref MMAL_PARAMETER_VIDEO_EEDE_ENABLE_T */ -+ MMAL_PARAMETER_VIDEO_EEDE_ENABLE, -+ -+ /** @ref MMAL_PARAMETER_VIDEO_EEDE_LOSSRATE_T */ -+ MMAL_PARAMETER_VIDEO_EEDE_LOSSRATE, -+ -+ /** @ref MMAL_PARAMETER_BOOLEAN_T. Request an I-frame. */ -+ MMAL_PARAMETER_VIDEO_REQUEST_I_FRAME, -+ /** @ref MMAL_PARAMETER_VIDEO_INTRA_REFRESH_T */ -+ MMAL_PARAMETER_VIDEO_INTRA_REFRESH, -+ -+ /** @ref MMAL_PARAMETER_BOOLEAN_T. */ -+ MMAL_PARAMETER_VIDEO_IMMUTABLE_INPUT, -+ -+ /** @ref MMAL_PARAMETER_UINT32_T. Run-time bit rate control */ -+ MMAL_PARAMETER_VIDEO_BIT_RATE, -+ -+ /** @ref MMAL_PARAMETER_FRAME_RATE_T */ -+ MMAL_PARAMETER_VIDEO_FRAME_RATE, -+ -+ /** @ref MMAL_PARAMETER_UINT32_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_MIN_QUANT, -+ -+ /** @ref MMAL_PARAMETER_UINT32_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_MAX_QUANT, -+ -+ /** @ref MMAL_PARAMETER_VIDEO_ENCODE_RC_MODEL_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_RC_MODEL, -+ -+ MMAL_PARAMETER_EXTRA_BUFFERS, /**< @ref MMAL_PARAMETER_UINT32_T. */ -+ /** @ref MMAL_PARAMETER_UINT32_T. -+ * Changing this parameter from the default can reduce frame rate -+ * because image buffers need to be re-pitched. -+ */ -+ MMAL_PARAMETER_VIDEO_ALIGN_HORIZ, -+ -+ /** @ref MMAL_PARAMETER_UINT32_T. -+ * Changing this parameter from the default can reduce frame rate -+ * because image buffers need to be re-pitched. -+ */ -+ MMAL_PARAMETER_VIDEO_ALIGN_VERT, -+ -+ /** @ref MMAL_PARAMETER_BOOLEAN_T. */ -+ MMAL_PARAMETER_VIDEO_DROPPABLE_PFRAMES, -+ -+ /** @ref MMAL_PARAMETER_UINT32_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_INITIAL_QUANT, -+ -+ /**< @ref MMAL_PARAMETER_UINT32_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_QP_P, -+ -+ /**< @ref MMAL_PARAMETER_UINT32_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_RC_SLICE_DQUANT, -+ -+ /** @ref MMAL_PARAMETER_UINT32_T */ -+ MMAL_PARAMETER_VIDEO_ENCODE_FRAME_LIMIT_BITS, -+ -+ /** @ref MMAL_PARAMETER_UINT32_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_PEAK_RATE, -+ -+ /* H264 specific parameters */ -+ -+ /** @ref MMAL_PARAMETER_BOOLEAN_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_H264_DISABLE_CABAC, -+ -+ /** @ref MMAL_PARAMETER_BOOLEAN_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_H264_LOW_LATENCY, -+ -+ /** @ref MMAL_PARAMETER_BOOLEAN_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_H264_AU_DELIMITERS, -+ -+ /** @ref MMAL_PARAMETER_UINT32_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_H264_DEBLOCK_IDC, -+ -+ /** @ref MMAL_PARAMETER_VIDEO_ENCODER_H264_MB_INTRA_MODES_T. */ -+ MMAL_PARAMETER_VIDEO_ENCODE_H264_MB_INTRA_MODE, -+ -+ /** @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_VIDEO_ENCODE_HEADER_ON_OPEN, -+ -+ /** @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_VIDEO_ENCODE_PRECODE_FOR_QP, -+ -+ /** @ref MMAL_PARAMETER_VIDEO_DRM_INIT_INFO_T. */ -+ MMAL_PARAMETER_VIDEO_DRM_INIT_INFO, -+ -+ /** @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_VIDEO_TIMESTAMP_FIFO, -+ -+ /** @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_VIDEO_DECODE_ERROR_CONCEALMENT, -+ -+ /** @ref MMAL_PARAMETER_VIDEO_DRM_PROTECT_BUFFER_T. */ -+ MMAL_PARAMETER_VIDEO_DRM_PROTECT_BUFFER, -+ -+ /** @ref MMAL_PARAMETER_BYTES_T */ -+ MMAL_PARAMETER_VIDEO_DECODE_CONFIG_VD3, -+ -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_VIDEO_ENCODE_H264_VCL_HRD_PARAMETERS, -+ -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_VIDEO_ENCODE_H264_LOW_DELAY_HRD_FLAG, -+ -+ /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_VIDEO_ENCODE_INLINE_HEADER -+}; -+ -+/** Valid mirror modes */ -+enum mmal_parameter_mirror { -+ MMAL_PARAM_MIRROR_NONE, -+ MMAL_PARAM_MIRROR_VERTICAL, -+ MMAL_PARAM_MIRROR_HORIZONTAL, -+ MMAL_PARAM_MIRROR_BOTH, -+}; -+ -+enum mmal_parameter_displaytransform { -+ MMAL_DISPLAY_ROT0 = 0, -+ MMAL_DISPLAY_MIRROR_ROT0 = 1, -+ MMAL_DISPLAY_MIRROR_ROT180 = 2, -+ MMAL_DISPLAY_ROT180 = 3, -+ MMAL_DISPLAY_MIRROR_ROT90 = 4, -+ MMAL_DISPLAY_ROT270 = 5, -+ MMAL_DISPLAY_ROT90 = 6, -+ MMAL_DISPLAY_MIRROR_ROT270 = 7, -+}; -+ -+enum mmal_parameter_displaymode { -+ MMAL_DISPLAY_MODE_FILL = 0, -+ MMAL_DISPLAY_MODE_LETTERBOX = 1, -+}; -+ -+enum mmal_parameter_displayset { -+ MMAL_DISPLAY_SET_NONE = 0, -+ MMAL_DISPLAY_SET_NUM = 1, -+ MMAL_DISPLAY_SET_FULLSCREEN = 2, -+ MMAL_DISPLAY_SET_TRANSFORM = 4, -+ MMAL_DISPLAY_SET_DEST_RECT = 8, -+ MMAL_DISPLAY_SET_SRC_RECT = 0x10, -+ MMAL_DISPLAY_SET_MODE = 0x20, -+ MMAL_DISPLAY_SET_PIXEL = 0x40, -+ MMAL_DISPLAY_SET_NOASPECT = 0x80, -+ MMAL_DISPLAY_SET_LAYER = 0x100, -+ MMAL_DISPLAY_SET_COPYPROTECT = 0x200, -+ MMAL_DISPLAY_SET_ALPHA = 0x400, -+}; -+ -+/* rectangle, used lots so it gets its own struct */ -+struct vchiq_mmal_rect { -+ s32 x; -+ s32 y; -+ s32 width; -+ s32 height; -+}; -+ -+struct mmal_parameter_displayregion { -+ /** Bitfield that indicates which fields are set and should be -+ * used. All other fields will maintain their current value. -+ * \ref MMAL_DISPLAYSET_T defines the bits that can be -+ * combined. -+ */ -+ u32 set; -+ -+ /** Describes the display output device, with 0 typically -+ * being a directly connected LCD display. The actual values -+ * will depend on the hardware. Code using hard-wired numbers -+ * (e.g. 2) is certain to fail. -+ */ -+ -+ u32 display_num; -+ /** Indicates that we are using the full device screen area, -+ * rather than a window of the display. If zero, then -+ * dest_rect is used to specify a region of the display to -+ * use. -+ */ -+ -+ s32 fullscreen; -+ /** Indicates any rotation or flipping used to map frames onto -+ * the natural display orientation. -+ */ -+ u32 transform; /* enum mmal_parameter_displaytransform */ -+ -+ /** Where to display the frame within the screen, if -+ * fullscreen is zero. -+ */ -+ struct vchiq_mmal_rect dest_rect; -+ -+ /** Indicates which area of the frame to display. If all -+ * values are zero, the whole frame will be used. -+ */ -+ struct vchiq_mmal_rect src_rect; -+ -+ /** If set to non-zero, indicates that any display scaling -+ * should disregard the aspect ratio of the frame region being -+ * displayed. -+ */ -+ s32 noaspect; -+ -+ /** Indicates how the image should be scaled to fit the -+ * display. \code MMAL_DISPLAY_MODE_FILL \endcode indicates -+ * that the image should fill the screen by potentially -+ * cropping the frames. Setting \code mode \endcode to \code -+ * MMAL_DISPLAY_MODE_LETTERBOX \endcode indicates that all the -+ * source region should be displayed and black bars added if -+ * necessary. -+ */ -+ u32 mode; /* enum mmal_parameter_displaymode */ -+ -+ /** If non-zero, defines the width of a source pixel relative -+ * to \code pixel_y \endcode. If zero, then pixels default to -+ * being square. -+ */ -+ u32 pixel_x; -+ -+ /** If non-zero, defines the height of a source pixel relative -+ * to \code pixel_x \endcode. If zero, then pixels default to -+ * being square. -+ */ -+ u32 pixel_y; -+ -+ /** Sets the relative depth of the images, with greater values -+ * being in front of smaller values. -+ */ -+ u32 layer; -+ -+ /** Set to non-zero to ensure copy protection is used on -+ * output. -+ */ -+ s32 copyprotect_required; -+ -+ /** Level of opacity of the layer, where zero is fully -+ * transparent and 255 is fully opaque. -+ */ -+ u32 alpha; -+}; -+ -+#define MMAL_MAX_IMAGEFX_PARAMETERS 5 -+ -+struct mmal_parameter_imagefx_parameters { -+ enum mmal_parameter_imagefx effect; -+ u32 num_effect_params; -+ u32 effect_parameter[MMAL_MAX_IMAGEFX_PARAMETERS]; -+}; -+ -+#define MMAL_PARAMETER_CAMERA_INFO_MAX_CAMERAS 4 -+#define MMAL_PARAMETER_CAMERA_INFO_MAX_FLASHES 2 -+#define MMAL_PARAMETER_CAMERA_INFO_MAX_STR_LEN 16 -+ -+struct mmal_parameter_camera_info_camera_t { -+ u32 port_id; -+ u32 max_width; -+ u32 max_height; -+ u32 lens_present; -+ u8 camera_name[MMAL_PARAMETER_CAMERA_INFO_MAX_STR_LEN]; -+}; -+ -+enum mmal_parameter_camera_info_flash_type_t { -+ /* Make values explicit to ensure they match values in config ini */ -+ MMAL_PARAMETER_CAMERA_INFO_FLASH_TYPE_XENON = 0, -+ MMAL_PARAMETER_CAMERA_INFO_FLASH_TYPE_LED = 1, -+ MMAL_PARAMETER_CAMERA_INFO_FLASH_TYPE_OTHER = 2, -+ MMAL_PARAMETER_CAMERA_INFO_FLASH_TYPE_MAX = 0x7FFFFFFF -+}; -+ -+struct mmal_parameter_camera_info_flash_t { -+ enum mmal_parameter_camera_info_flash_type_t flash_type; -+}; -+ -+struct mmal_parameter_camera_info_t { -+ u32 num_cameras; -+ u32 num_flashes; -+ struct mmal_parameter_camera_info_camera_t -+ cameras[MMAL_PARAMETER_CAMERA_INFO_MAX_CAMERAS]; -+ struct mmal_parameter_camera_info_flash_t -+ flashes[MMAL_PARAMETER_CAMERA_INFO_MAX_FLASHES]; -+}; -+ -+#endif ---- /dev/null -+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.h -@@ -0,0 +1,166 @@ -+/* SPDX-License-Identifier: GPL-2.0 */ -+/* -+ * Broadcom BM2835 V4L2 driver -+ * -+ * Copyright © 2013 Raspberry Pi (Trading) Ltd. -+ * -+ * Authors: Vincent Sanders @ Collabora -+ * Dave Stevenson @ Broadcom -+ * (now dave.stevenson@raspberrypi.org) -+ * Simon Mellor @ Broadcom -+ * Luke Diamand @ Broadcom -+ * -+ * MMAL interface to VCHIQ message passing -+ */ -+ -+#ifndef MMAL_VCHIQ_H -+#define MMAL_VCHIQ_H -+ -+#include "mmal-msg-format.h" -+ -+#define MAX_PORT_COUNT 4 -+ -+/* Maximum size of the format extradata. */ -+#define MMAL_FORMAT_EXTRADATA_MAX_SIZE 128 -+ -+struct vchiq_mmal_instance; -+ -+enum vchiq_mmal_es_type { -+ MMAL_ES_TYPE_UNKNOWN, /**< Unknown elementary stream type */ -+ MMAL_ES_TYPE_CONTROL, /**< Elementary stream of control commands */ -+ MMAL_ES_TYPE_AUDIO, /**< Audio elementary stream */ -+ MMAL_ES_TYPE_VIDEO, /**< Video elementary stream */ -+ MMAL_ES_TYPE_SUBPICTURE /**< Sub-picture elementary stream */ -+}; -+ -+struct vchiq_mmal_port_buffer { -+ unsigned int num; /* number of buffers */ -+ u32 size; /* size of buffers */ -+ u32 alignment; /* alignment of buffers */ -+}; -+ -+struct vchiq_mmal_port; -+ -+typedef void (*vchiq_mmal_buffer_cb)( -+ struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ int status, struct mmal_buffer *buffer, -+ unsigned long length, u32 mmal_flags, s64 dts, s64 pts); -+ -+struct vchiq_mmal_port { -+ bool enabled; -+ u32 handle; -+ u32 type; /* port type, cached to use on port info set */ -+ u32 index; /* port index, cached to use on port info set */ -+ -+ /* component port belongs to, allows simple deref */ -+ struct vchiq_mmal_component *component; -+ -+ struct vchiq_mmal_port *connected; /* port conencted to */ -+ -+ /* buffer info */ -+ struct vchiq_mmal_port_buffer minimum_buffer; -+ struct vchiq_mmal_port_buffer recommended_buffer; -+ struct vchiq_mmal_port_buffer current_buffer; -+ -+ /* stream format */ -+ struct mmal_es_format_local format; -+ /* elementary stream format */ -+ union mmal_es_specific_format es; -+ -+ /* data buffers to fill */ -+ struct list_head buffers; -+ /* lock to serialise adding and removing buffers from list */ -+ spinlock_t slock; -+ -+ /* Count of buffers the VPU has yet to return */ -+ atomic_t buffers_with_vpu; -+ /* callback on buffer completion */ -+ vchiq_mmal_buffer_cb buffer_cb; -+ /* callback context */ -+ void *cb_ctx; -+}; -+ -+struct vchiq_mmal_component { -+ bool enabled; -+ u32 handle; /* VideoCore handle for component */ -+ u32 inputs; /* Number of input ports */ -+ u32 outputs; /* Number of output ports */ -+ u32 clocks; /* Number of clock ports */ -+ struct vchiq_mmal_port control; /* control port */ -+ struct vchiq_mmal_port input[MAX_PORT_COUNT]; /* input ports */ -+ struct vchiq_mmal_port output[MAX_PORT_COUNT]; /* output ports */ -+ struct vchiq_mmal_port clock[MAX_PORT_COUNT]; /* clock ports */ -+}; -+ -+int vchiq_mmal_init(struct vchiq_mmal_instance **out_instance); -+int vchiq_mmal_finalise(struct vchiq_mmal_instance *instance); -+ -+/* Initialise a mmal component and its ports -+ * -+ */ -+int vchiq_mmal_component_init( -+ struct vchiq_mmal_instance *instance, -+ const char *name, -+ struct vchiq_mmal_component **component_out); -+ -+int vchiq_mmal_component_finalise( -+ struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_component *component); -+ -+int vchiq_mmal_component_enable( -+ struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_component *component); -+ -+int vchiq_mmal_component_disable( -+ struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_component *component); -+ -+/* enable a mmal port -+ * -+ * enables a port and if a buffer callback provided enque buffer -+ * headers as appropriate for the port. -+ */ -+int vchiq_mmal_port_enable( -+ struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ vchiq_mmal_buffer_cb buffer_cb); -+ -+/* disable a port -+ * -+ * disable a port will dequeue any pending buffers -+ */ -+int vchiq_mmal_port_disable(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port); -+ -+int vchiq_mmal_port_parameter_set(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ u32 parameter, -+ void *value, -+ u32 value_size); -+ -+int vchiq_mmal_port_parameter_get(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ u32 parameter, -+ void *value, -+ u32 *value_size); -+ -+int vchiq_mmal_port_set_format(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port); -+ -+int vchiq_mmal_port_connect_tunnel(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *src, -+ struct vchiq_mmal_port *dst); -+ -+int vchiq_mmal_version(struct vchiq_mmal_instance *instance, -+ u32 *major_out, -+ u32 *minor_out); -+ -+int vchiq_mmal_submit_buffer(struct vchiq_mmal_instance *instance, -+ struct vchiq_mmal_port *port, -+ struct mmal_buffer *buf); -+ -+int mmal_vchi_buffer_init(struct vchiq_mmal_instance *instance, -+ struct mmal_buffer *buf); -+int mmal_vchi_buffer_cleanup(struct mmal_buffer *buf); -+#endif /* MMAL_VCHIQ_H */ |