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author | Lars-Peter Clausen <lars@metafoo.de> | 2015-03-26 19:46:01 +0000 |
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committer | Lars-Peter Clausen <lars@metafoo.de> | 2015-03-26 19:46:01 +0000 |
commit | b18f5eb44a31d7d73b31519175c366630413ac8a (patch) | |
tree | 954b52e1dba2a37e9d1958f453eef26e12ef26fa /target/linux/xburst/patches-3.10/016-ASoC-jz4740-Use-the-generic-dmaengine-PCM-driver.patch | |
parent | c25bf32f8dc8cd47a1e78e1701dc79da55529f93 (diff) | |
download | upstream-b18f5eb44a31d7d73b31519175c366630413ac8a.tar.gz upstream-b18f5eb44a31d7d73b31519175c366630413ac8a.tar.bz2 upstream-b18f5eb44a31d7d73b31519175c366630413ac8a.zip |
xburst: Update to 3.18
Update the xburst target to kernel version 3.18 and also remove the broken 3.10 support.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
SVN-Revision: 45031
Diffstat (limited to 'target/linux/xburst/patches-3.10/016-ASoC-jz4740-Use-the-generic-dmaengine-PCM-driver.patch')
-rw-r--r-- | target/linux/xburst/patches-3.10/016-ASoC-jz4740-Use-the-generic-dmaengine-PCM-driver.patch | 507 |
1 files changed, 0 insertions, 507 deletions
diff --git a/target/linux/xburst/patches-3.10/016-ASoC-jz4740-Use-the-generic-dmaengine-PCM-driver.patch b/target/linux/xburst/patches-3.10/016-ASoC-jz4740-Use-the-generic-dmaengine-PCM-driver.patch deleted file mode 100644 index 1fb3731083..0000000000 --- a/target/linux/xburst/patches-3.10/016-ASoC-jz4740-Use-the-generic-dmaengine-PCM-driver.patch +++ /dev/null @@ -1,507 +0,0 @@ -From a20f54fdd500e5bccc9bd1ca4ac9f150addf2e64 Mon Sep 17 00:00:00 2001 -From: Lars-Peter Clausen <lars@metafoo.de> -Date: Sat, 27 Apr 2013 21:26:30 +0200 -Subject: [PATCH 16/16] ASoC: jz4740: Use the generic dmaengine PCM driver - -Since there is a dmaengine driver for the jz4740 DMA controller now we can use -the generic dmaengine PCM driver instead of a custom one. - -Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> -Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> ---- - sound/soc/jz4740/Kconfig | 1 + - sound/soc/jz4740/jz4740-i2s.c | 48 +++---- - sound/soc/jz4740/jz4740-pcm.c | 310 ++--------------------------------------- - sound/soc/jz4740/jz4740-pcm.h | 20 --- - 4 files changed, 27 insertions(+), 352 deletions(-) - delete mode 100644 sound/soc/jz4740/jz4740-pcm.h - ---- a/sound/soc/jz4740/Kconfig -+++ b/sound/soc/jz4740/Kconfig -@@ -1,6 +1,7 @@ - config SND_JZ4740_SOC - tristate "SoC Audio for Ingenic JZ4740 SoC" - depends on MACH_JZ4740 && SND_SOC -+ select SND_SOC_GENERIC_DMAENGINE_PCM - help - Say Y or M if you want to add support for codecs attached to - the JZ4740 I2S interface. You will also need to select the audio ---- a/sound/soc/jz4740/jz4740-i2s.c -+++ b/sound/soc/jz4740/jz4740-i2s.c -@@ -29,9 +29,12 @@ - #include <sound/pcm_params.h> - #include <sound/soc.h> - #include <sound/initval.h> -+#include <sound/dmaengine_pcm.h> -+ -+#include <asm/mach-jz4740/dma.h> - - #include "jz4740-i2s.h" --#include "jz4740-pcm.h" -+ - - #define JZ_REG_AIC_CONF 0x00 - #define JZ_REG_AIC_CTRL 0x04 -@@ -89,8 +92,8 @@ struct jz4740_i2s { - struct clk *clk_aic; - struct clk *clk_i2s; - -- struct jz4740_pcm_config pcm_config_playback; -- struct jz4740_pcm_config pcm_config_capture; -+ struct snd_dmaengine_dai_dma_data playback_dma_data; -+ struct snd_dmaengine_dai_dma_data capture_dma_data; - }; - - static inline uint32_t jz4740_i2s_read(const struct jz4740_i2s *i2s, -@@ -233,8 +236,6 @@ static int jz4740_i2s_hw_params(struct s - struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) - { - struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai); -- enum jz4740_dma_width dma_width; -- struct jz4740_pcm_config *pcm_config; - unsigned int sample_size; - uint32_t ctrl; - -@@ -243,11 +244,9 @@ static int jz4740_i2s_hw_params(struct s - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_S8: - sample_size = 0; -- dma_width = JZ4740_DMA_WIDTH_8BIT; - break; - case SNDRV_PCM_FORMAT_S16: - sample_size = 1; -- dma_width = JZ4740_DMA_WIDTH_16BIT; - break; - default: - return -EINVAL; -@@ -260,22 +259,13 @@ static int jz4740_i2s_hw_params(struct s - ctrl |= JZ_AIC_CTRL_MONO_TO_STEREO; - else - ctrl &= ~JZ_AIC_CTRL_MONO_TO_STEREO; -- -- pcm_config = &i2s->pcm_config_playback; -- pcm_config->dma_config.dst_width = dma_width; -- - } else { - ctrl &= ~JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_MASK; - ctrl |= sample_size << JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_OFFSET; -- -- pcm_config = &i2s->pcm_config_capture; -- pcm_config->dma_config.src_width = dma_width; - } - - jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL, ctrl); - -- snd_soc_dai_set_dma_data(dai, substream, pcm_config); -- - return 0; - } - -@@ -342,25 +332,19 @@ static int jz4740_i2s_resume(struct snd_ - - static void jz4740_i2c_init_pcm_config(struct jz4740_i2s *i2s) - { -- struct jz4740_dma_config *dma_config; -+ struct snd_dmaengine_dai_dma_data *dma_data; - - /* Playback */ -- dma_config = &i2s->pcm_config_playback.dma_config; -- dma_config->src_width = JZ4740_DMA_WIDTH_32BIT; -- dma_config->transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE; -- dma_config->request_type = JZ4740_DMA_TYPE_AIC_TRANSMIT; -- dma_config->flags = JZ4740_DMA_SRC_AUTOINC; -- dma_config->mode = JZ4740_DMA_MODE_SINGLE; -- i2s->pcm_config_playback.fifo_addr = i2s->phys_base + JZ_REG_AIC_FIFO; -+ dma_data = &i2s->playback_dma_data; -+ dma_data->maxburst = 16; -+ dma_data->slave_id = JZ4740_DMA_TYPE_AIC_TRANSMIT; -+ dma_data->addr = i2s->phys_base + JZ_REG_AIC_FIFO; - - /* Capture */ -- dma_config = &i2s->pcm_config_capture.dma_config; -- dma_config->dst_width = JZ4740_DMA_WIDTH_32BIT; -- dma_config->transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE; -- dma_config->request_type = JZ4740_DMA_TYPE_AIC_RECEIVE; -- dma_config->flags = JZ4740_DMA_DST_AUTOINC; -- dma_config->mode = JZ4740_DMA_MODE_SINGLE; -- i2s->pcm_config_capture.fifo_addr = i2s->phys_base + JZ_REG_AIC_FIFO; -+ dma_data = &i2s->capture_dma_data; -+ dma_data->maxburst = 16; -+ dma_data->slave_id = JZ4740_DMA_TYPE_AIC_RECEIVE; -+ dma_data->addr = i2s->phys_base + JZ_REG_AIC_FIFO; - } - - static int jz4740_i2s_dai_probe(struct snd_soc_dai *dai) -@@ -371,6 +355,8 @@ static int jz4740_i2s_dai_probe(struct s - clk_enable(i2s->clk_aic); - - jz4740_i2c_init_pcm_config(i2s); -+ dai->playback_dma_data = &i2s->playback_dma_data; -+ dai->capture_dma_data = &i2s->capture_dma_data; - - conf = (7 << JZ_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET) | - (8 << JZ_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET) | ---- a/sound/soc/jz4740/jz4740-pcm.c -+++ b/sound/soc/jz4740/jz4740-pcm.c -@@ -19,38 +19,14 @@ - #include <linux/platform_device.h> - #include <linux/slab.h> - --#include <linux/dma-mapping.h> -+#include <sound/dmaengine_pcm.h> - --#include <sound/core.h> --#include <sound/pcm.h> --#include <sound/pcm_params.h> --#include <sound/soc.h> -- --#include <asm/mach-jz4740/dma.h> --#include "jz4740-pcm.h" -- --struct jz4740_runtime_data { -- unsigned long dma_period; -- dma_addr_t dma_start; -- dma_addr_t dma_pos; -- dma_addr_t dma_end; -- -- struct jz4740_dma_chan *dma; -- -- dma_addr_t fifo_addr; --}; -- --/* identify hardware playback capabilities */ - static const struct snd_pcm_hardware jz4740_pcm_hardware = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER, - .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8, -- -- .rates = SNDRV_PCM_RATE_8000_48000, -- .channels_min = 1, -- .channels_max = 2, - .period_bytes_min = 16, - .period_bytes_max = 2 * PAGE_SIZE, - .periods_min = 2, -@@ -59,290 +35,22 @@ static const struct snd_pcm_hardware jz4 - .fifo_size = 32, - }; - --static void jz4740_pcm_start_transfer(struct jz4740_runtime_data *prtd, -- struct snd_pcm_substream *substream) --{ -- unsigned long count; -- -- if (prtd->dma_pos == prtd->dma_end) -- prtd->dma_pos = prtd->dma_start; -- -- if (prtd->dma_pos + prtd->dma_period > prtd->dma_end) -- count = prtd->dma_end - prtd->dma_pos; -- else -- count = prtd->dma_period; -- -- jz4740_dma_disable(prtd->dma); -- -- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { -- jz4740_dma_set_src_addr(prtd->dma, prtd->dma_pos); -- jz4740_dma_set_dst_addr(prtd->dma, prtd->fifo_addr); -- } else { -- jz4740_dma_set_src_addr(prtd->dma, prtd->fifo_addr); -- jz4740_dma_set_dst_addr(prtd->dma, prtd->dma_pos); -- } -- -- jz4740_dma_set_transfer_count(prtd->dma, count); -- -- prtd->dma_pos += count; -- -- jz4740_dma_enable(prtd->dma); --} -- --static void jz4740_pcm_dma_transfer_done(struct jz4740_dma_chan *dma, int err, -- void *dev_id) --{ -- struct snd_pcm_substream *substream = dev_id; -- struct snd_pcm_runtime *runtime = substream->runtime; -- struct jz4740_runtime_data *prtd = runtime->private_data; -- -- snd_pcm_period_elapsed(substream); -- -- jz4740_pcm_start_transfer(prtd, substream); --} -- --static int jz4740_pcm_hw_params(struct snd_pcm_substream *substream, -- struct snd_pcm_hw_params *params) --{ -- struct snd_pcm_runtime *runtime = substream->runtime; -- struct jz4740_runtime_data *prtd = runtime->private_data; -- struct snd_soc_pcm_runtime *rtd = substream->private_data; -- struct jz4740_pcm_config *config; -- -- config = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); -- -- if (!config) -- return 0; -- -- if (!prtd->dma) { -- if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) -- prtd->dma = jz4740_dma_request(substream, "PCM Capture"); -- else -- prtd->dma = jz4740_dma_request(substream, "PCM Playback"); -- } -- -- if (!prtd->dma) -- return -EBUSY; -- -- jz4740_dma_configure(prtd->dma, &config->dma_config); -- prtd->fifo_addr = config->fifo_addr; -- -- jz4740_dma_set_complete_cb(prtd->dma, jz4740_pcm_dma_transfer_done); -- -- snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); -- runtime->dma_bytes = params_buffer_bytes(params); -- -- prtd->dma_period = params_period_bytes(params); -- prtd->dma_start = runtime->dma_addr; -- prtd->dma_pos = prtd->dma_start; -- prtd->dma_end = prtd->dma_start + runtime->dma_bytes; -- -- return 0; --} -- --static int jz4740_pcm_hw_free(struct snd_pcm_substream *substream) --{ -- struct jz4740_runtime_data *prtd = substream->runtime->private_data; -- -- snd_pcm_set_runtime_buffer(substream, NULL); -- if (prtd->dma) { -- jz4740_dma_free(prtd->dma); -- prtd->dma = NULL; -- } -- -- return 0; --} -- --static int jz4740_pcm_prepare(struct snd_pcm_substream *substream) --{ -- struct jz4740_runtime_data *prtd = substream->runtime->private_data; -- -- if (!prtd->dma) -- return -EBUSY; -- -- prtd->dma_pos = prtd->dma_start; -- -- return 0; --} -- --static int jz4740_pcm_trigger(struct snd_pcm_substream *substream, int cmd) --{ -- struct snd_pcm_runtime *runtime = substream->runtime; -- struct jz4740_runtime_data *prtd = runtime->private_data; -- -- switch (cmd) { -- case SNDRV_PCM_TRIGGER_START: -- case SNDRV_PCM_TRIGGER_RESUME: -- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: -- jz4740_pcm_start_transfer(prtd, substream); -- break; -- case SNDRV_PCM_TRIGGER_STOP: -- case SNDRV_PCM_TRIGGER_SUSPEND: -- case SNDRV_PCM_TRIGGER_PAUSE_PUSH: -- jz4740_dma_disable(prtd->dma); -- break; -- default: -- break; -- } -- -- return 0; --} -- --static snd_pcm_uframes_t jz4740_pcm_pointer(struct snd_pcm_substream *substream) --{ -- struct snd_pcm_runtime *runtime = substream->runtime; -- struct jz4740_runtime_data *prtd = runtime->private_data; -- unsigned long byte_offset; -- snd_pcm_uframes_t offset; -- struct jz4740_dma_chan *dma = prtd->dma; -- -- /* prtd->dma_pos points to the end of the current transfer. So by -- * subtracting prdt->dma_start we get the offset to the end of the -- * current period in bytes. By subtracting the residue of the transfer -- * we get the current offset in bytes. */ -- byte_offset = prtd->dma_pos - prtd->dma_start; -- byte_offset -= jz4740_dma_get_residue(dma); -- -- offset = bytes_to_frames(runtime, byte_offset); -- if (offset >= runtime->buffer_size) -- offset = 0; -- -- return offset; --} -- --static int jz4740_pcm_open(struct snd_pcm_substream *substream) --{ -- struct snd_pcm_runtime *runtime = substream->runtime; -- struct jz4740_runtime_data *prtd; -- -- prtd = kzalloc(sizeof(*prtd), GFP_KERNEL); -- if (prtd == NULL) -- return -ENOMEM; -- -- snd_soc_set_runtime_hwparams(substream, &jz4740_pcm_hardware); -- -- runtime->private_data = prtd; -- -- return 0; --} -- --static int jz4740_pcm_close(struct snd_pcm_substream *substream) --{ -- struct snd_pcm_runtime *runtime = substream->runtime; -- struct jz4740_runtime_data *prtd = runtime->private_data; -- -- kfree(prtd); -- -- return 0; --} -- --static int jz4740_pcm_mmap(struct snd_pcm_substream *substream, -- struct vm_area_struct *vma) --{ -- return remap_pfn_range(vma, vma->vm_start, -- substream->dma_buffer.addr >> PAGE_SHIFT, -- vma->vm_end - vma->vm_start, vma->vm_page_prot); --} -- --static struct snd_pcm_ops jz4740_pcm_ops = { -- .open = jz4740_pcm_open, -- .close = jz4740_pcm_close, -- .ioctl = snd_pcm_lib_ioctl, -- .hw_params = jz4740_pcm_hw_params, -- .hw_free = jz4740_pcm_hw_free, -- .prepare = jz4740_pcm_prepare, -- .trigger = jz4740_pcm_trigger, -- .pointer = jz4740_pcm_pointer, -- .mmap = jz4740_pcm_mmap, --}; -- --static int jz4740_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) --{ -- struct snd_pcm_substream *substream = pcm->streams[stream].substream; -- struct snd_dma_buffer *buf = &substream->dma_buffer; -- size_t size = jz4740_pcm_hardware.buffer_bytes_max; -- -- buf->dev.type = SNDRV_DMA_TYPE_DEV; -- buf->dev.dev = pcm->card->dev; -- buf->private_data = NULL; -- -- buf->area = dma_alloc_noncoherent(pcm->card->dev, size, -- &buf->addr, GFP_KERNEL); -- if (!buf->area) -- return -ENOMEM; -- -- buf->bytes = size; -- -- return 0; --} -- --static void jz4740_pcm_free(struct snd_pcm *pcm) --{ -- struct snd_pcm_substream *substream; -- struct snd_dma_buffer *buf; -- int stream; -- -- for (stream = 0; stream < SNDRV_PCM_STREAM_LAST; ++stream) { -- substream = pcm->streams[stream].substream; -- if (!substream) -- continue; -- -- buf = &substream->dma_buffer; -- if (!buf->area) -- continue; -- -- dma_free_noncoherent(pcm->card->dev, buf->bytes, buf->area, -- buf->addr); -- buf->area = NULL; -- } --} -- --static u64 jz4740_pcm_dmamask = DMA_BIT_MASK(32); -- --static int jz4740_pcm_new(struct snd_soc_pcm_runtime *rtd) --{ -- struct snd_card *card = rtd->card->snd_card; -- struct snd_pcm *pcm = rtd->pcm; -- int ret = 0; -- -- if (!card->dev->dma_mask) -- card->dev->dma_mask = &jz4740_pcm_dmamask; -- -- if (!card->dev->coherent_dma_mask) -- card->dev->coherent_dma_mask = DMA_BIT_MASK(32); -- -- if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { -- ret = jz4740_pcm_preallocate_dma_buffer(pcm, -- SNDRV_PCM_STREAM_PLAYBACK); -- if (ret) -- goto err; -- } -- -- if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { -- ret = jz4740_pcm_preallocate_dma_buffer(pcm, -- SNDRV_PCM_STREAM_CAPTURE); -- if (ret) -- goto err; -- } -- --err: -- return ret; --} -- --static struct snd_soc_platform_driver jz4740_soc_platform = { -- .ops = &jz4740_pcm_ops, -- .pcm_new = jz4740_pcm_new, -- .pcm_free = jz4740_pcm_free, -+static const struct snd_dmaengine_pcm_config jz4740_dmaengine_pcm_config = { -+ .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config, -+ .pcm_hardware = &jz4740_pcm_hardware, -+ .prealloc_buffer_size = 256 * PAGE_SIZE, - }; - - static int jz4740_pcm_probe(struct platform_device *pdev) - { -- return snd_soc_register_platform(&pdev->dev, &jz4740_soc_platform); -+ return snd_dmaengine_pcm_register(&pdev->dev, -+ &jz4740_dmaengine_pcm_config, -+ SND_DMAENGINE_PCM_FLAG_COMPAT); - } - - static int jz4740_pcm_remove(struct platform_device *pdev) - { -- snd_soc_unregister_platform(&pdev->dev); -+ snd_dmaengine_pcm_unregister(&pdev->dev); - return 0; - } - ---- a/sound/soc/jz4740/jz4740-pcm.h -+++ /dev/null -@@ -1,20 +0,0 @@ --/* -- * -- * This program is free software; you can redistribute it and/or modify -- * it under the terms of the GNU General Public License version 2 as -- * published by the Free Software Foundation. -- */ -- --#ifndef _JZ4740_PCM_H --#define _JZ4740_PCM_H -- --#include <linux/dma-mapping.h> --#include <asm/mach-jz4740/dma.h> -- -- --struct jz4740_pcm_config { -- struct jz4740_dma_config dma_config; -- phys_addr_t fifo_addr; --}; -- --#endif |