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-rw-r--r--target/linux/brcm2708/patches-4.1/0139-rpi-ft5406-Use-firmware-API.patch138
1 files changed, 0 insertions, 138 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0139-rpi-ft5406-Use-firmware-API.patch b/target/linux/brcm2708/patches-4.1/0139-rpi-ft5406-Use-firmware-API.patch
deleted file mode 100644
index 2bcc154760..0000000000
--- a/target/linux/brcm2708/patches-4.1/0139-rpi-ft5406-Use-firmware-API.patch
+++ /dev/null
@@ -1,138 +0,0 @@
-From 84a67d1c389a117abe7da145521047709fd414d6 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
-Date: Tue, 21 Jul 2015 19:09:39 +0200
-Subject: [PATCH 139/222] rpi-ft5406: Use firmware API
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
----
- arch/arm/boot/dts/overlays/rpi-ft5406-overlay.dts | 1 +
- drivers/input/touchscreen/rpi-ft5406.c | 74 ++++++++++-------------
- 2 files changed, 32 insertions(+), 43 deletions(-)
-
---- a/arch/arm/boot/dts/overlays/rpi-ft5406-overlay.dts
-+++ b/arch/arm/boot/dts/overlays/rpi-ft5406-overlay.dts
-@@ -9,6 +9,7 @@
- __overlay__ {
- rpi_ft5406: rpi_ft5406 {
- compatible = "rpi,rpi-ft5406";
-+ firmware = <&firmware>;
- status = "okay";
- };
- };
---- a/drivers/input/touchscreen/rpi-ft5406.c
-+++ b/drivers/input/touchscreen/rpi-ft5406.c
-@@ -21,7 +21,7 @@
- #include <linux/kthread.h>
- #include <linux/platform_device.h>
- #include <asm/io.h>
--#include <linux/platform_data/mailbox-bcm2708.h>
-+#include <soc/bcm2835/raspberrypi-firmware.h>
-
- #define MAXIMUM_SUPPORTED_POINTS 10
- struct ft5406_regs {
-@@ -49,23 +49,6 @@ struct ft5406 {
- struct task_struct * thread;
- };
-
--
--/* tag part of the message */
--struct vc_msg_tag {
-- uint32_t tag_id; /* the message id */
-- uint32_t buffer_size; /* size of the buffer (which in this case is always 8 bytes) */
-- uint32_t data_size; /* amount of data being sent or received */
-- uint32_t val; /* data buffer */
--};
--
--/* message structure to be sent to videocore */
--struct vc_msg {
-- uint32_t msg_size; /* simply, sizeof(struct vc_msg) */
-- uint32_t request_code; /* holds various information like the success and number of bytes returned (refer to mailboxes wiki) */
-- struct vc_msg_tag tag; /* the tag structure above to make */
-- uint32_t end_tag; /* an end identifier, should be set to NULL */
--};
--
- /* Thread to poll for touchscreen events
- *
- * This thread polls the memory based register copy of the ft5406 registers
-@@ -136,11 +119,37 @@ static int ft5406_probe(struct platform_
- {
- int ret;
- struct input_dev * input_dev = input_allocate_device();
-- struct vc_msg request;
- struct ft5406 * ts;
-+ struct device_node *fw_node;
-+ struct rpi_firmware *fw;
-+ u32 touchbuf;
-
- dev_info(&pdev->dev, "Probing device\n");
-
-+ fw_node = of_parse_phandle(pdev->dev.of_node, "firmware", 0);
-+ if (!fw_node) {
-+ dev_err(&pdev->dev, "Missing firmware node\n");
-+ return -ENOENT;
-+ }
-+
-+ fw = rpi_firmware_get(fw_node);
-+ if (!fw)
-+ return -EPROBE_DEFER;
-+
-+ ret = rpi_firmware_property(fw, RPI_FIRMWARE_FRAMEBUFFER_GET_TOUCHBUF,
-+ &touchbuf, sizeof(touchbuf));
-+ if (ret) {
-+ dev_err(&pdev->dev, "Failed to get touch buffer\n");
-+ return ret;
-+ }
-+
-+ if (!touchbuf) {
-+ dev_err(&pdev->dev, "Touchscreen not detected\n");
-+ return -ENODEV;
-+ }
-+
-+ dev_dbg(&pdev->dev, "Got TS buffer 0x%x\n", touchbuf);
-+
- ts = kzalloc(sizeof(struct ft5406), GFP_KERNEL);
-
- if (!ts || !input_dev) {
-@@ -174,36 +183,15 @@ static int ft5406_probe(struct platform_
- return ret;
- }
-
-- memset(&request, 0, sizeof request);
--
-- request.msg_size = sizeof request;
-- request.request_code = VCMSG_PROCESS_REQUEST;
-- request.tag.tag_id = VCMSG_GET_TOUCHBUF;
-- request.tag.buffer_size = 4;
-- request.tag.data_size = 4;
--
-- bcm_mailbox_property(&request, sizeof(request));
--
-- if(request.request_code == VCMSG_REQUEST_SUCCESSFUL && request.tag.val != 0)
-- {
-- dev_dbg(&pdev->dev, "Got TS buffer 0x%x\n", request.tag.val);
-- }
-- else
-- {
-- input_unregister_device(input_dev);
-- kzfree(ts);
-- return -1;
-- }
--
- // mmap the physical memory
-- request.tag.val &= ~0xc0000000;
-- ts->ts_base = ioremap(request.tag.val, sizeof(*ts->regs));
-+ touchbuf &= ~0xc0000000;
-+ ts->ts_base = ioremap(touchbuf, sizeof(*ts->regs));
- if(ts->ts_base == NULL)
- {
- dev_err(&pdev->dev, "Failed to map physical address\n");
- input_unregister_device(input_dev);
- kzfree(ts);
-- return -1;
-+ return -ENOMEM;
- }
-
- ts->regs = (struct ft5406_regs *) ts->ts_base;