Merge commit 'AU_LINUX_ANDROID_ICS.04.00.04.00.126' into msm-3.4
AU_LINUX_ANDROID_ICS.04.00.04.00.126 from msm-3.0.
First parent is from google/android-3.4.
* commit 'AU_LINUX_ANDROID_ICS.04.00.04.00.126': (8712 commits)
PRNG: Device tree entry for qrng device.
vidc:1080p: Set video core timeout value for Thumbnail mode
msm: sps: improve the debugging support in SPS driver
board-8064 msm: Overlap secure and non secure video firmware heaps.
msm: clock: Add handoff ops for 7x30 and copper XO clocks
msm_fb: display: Wait for external vsync before DTV IOMMU unmap
msm: Fix ciruclar dependency in debug UART settings
msm: gdsc: Add GDSC regulator driver for msm-copper
defconfig: Enable Mobicore Driver.
mobicore: Add mobicore driver.
mobicore: rename variable to lower case.
mobicore: rename folder.
mobicore: add makefiles
mobicore: initial import of kernel driver
ASoC: msm: Add SLIMBUS_2_RX CPU DAI
board-8064-gpio: Update FUNC for EPM SPI CS
msm_fb: display: Remove chicken bit config during video playback
mmc: msm_sdcc: enable the sanitize capability
msm-fb: display: lm2 writeback support on mpq platfroms
msm_fb: display: Disable LVDS phy & pll during panel off
...
Signed-off-by: Steve Muckle <smuckle@codeaurora.org>
diff --git a/sound/soc/msm/msm-compr-q6.c b/sound/soc/msm/msm-compr-q6.c
new file mode 100644
index 0000000..8061b06
--- /dev/null
+++ b/sound/soc/msm/msm-compr-q6.c
@@ -0,0 +1,753 @@
+/* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/time.h>
+#include <linux/wait.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include <sound/control.h>
+#include <sound/q6asm.h>
+#include <asm/dma.h>
+#include <linux/dma-mapping.h>
+#include <linux/android_pmem.h>
+#include <sound/timer.h>
+
+#include "msm-compr-q6.h"
+#include "msm-pcm-routing.h"
+
+struct snd_msm {
+ struct msm_audio *prtd;
+ unsigned volume;
+};
+static struct snd_msm compressed_audio = {NULL, 0x2000} ;
+
+static struct audio_locks the_locks;
+
+static struct snd_pcm_hardware msm_compr_hardware_playback = {
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_KNOT,
+ .rate_min = 8000,
+ .rate_max = 48000,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = 1200 * 1024 * 2,
+ .period_bytes_min = 4800,
+ .period_bytes_max = 1200 * 1024,
+ .periods_min = 2,
+ .periods_max = 512,
+ .fifo_size = 0,
+};
+
+/* Conventional and unconventional sample rate supported */
+static unsigned int supported_sample_rates[] = {
+ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000
+};
+
+static struct snd_pcm_hw_constraint_list constraints_sample_rates = {
+ .count = ARRAY_SIZE(supported_sample_rates),
+ .list = supported_sample_rates,
+ .mask = 0,
+};
+
+static void compr_event_handler(uint32_t opcode,
+ uint32_t token, uint32_t *payload, void *priv)
+{
+ struct compr_audio *compr = priv;
+ struct msm_audio *prtd = &compr->prtd;
+ struct snd_pcm_substream *substream = prtd->substream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct audio_aio_write_param param;
+ struct audio_buffer *buf = NULL;
+ int i = 0;
+
+ pr_debug("%s opcode =%08x\n", __func__, opcode);
+ switch (opcode) {
+ case ASM_DATA_EVENT_WRITE_DONE: {
+ uint32_t *ptrmem = (uint32_t *)¶m;
+ pr_debug("ASM_DATA_EVENT_WRITE_DONE\n");
+ pr_debug("Buffer Consumed = 0x%08x\n", *ptrmem);
+ prtd->pcm_irq_pos += prtd->pcm_count;
+ if (atomic_read(&prtd->start))
+ snd_pcm_period_elapsed(substream);
+ else
+ if (substream->timer_running)
+ snd_timer_interrupt(substream->timer, 1);
+ atomic_inc(&prtd->out_count);
+ wake_up(&the_locks.write_wait);
+ if (!atomic_read(&prtd->start)) {
+ atomic_set(&prtd->pending_buffer, 1);
+ break;
+ } else
+ atomic_set(&prtd->pending_buffer, 0);
+
+ if (runtime->status->hw_ptr >= runtime->control->appl_ptr)
+ break;
+ buf = prtd->audio_client->port[IN].buf;
+ pr_debug("%s:writing %d bytes of buffer[%d] to dsp 2\n",
+ __func__, prtd->pcm_count, prtd->out_head);
+ pr_debug("%s:writing buffer[%d] from 0x%08x\n",
+ __func__, prtd->out_head,
+ ((unsigned int)buf[0].phys
+ + (prtd->out_head * prtd->pcm_count)));
+
+ param.paddr = (unsigned long)buf[0].phys
+ + (prtd->out_head * prtd->pcm_count);
+ param.len = prtd->pcm_count;
+ param.msw_ts = 0;
+ param.lsw_ts = 0;
+ param.flags = NO_TIMESTAMP;
+ param.uid = (unsigned long)buf[0].phys
+ + (prtd->out_head * prtd->pcm_count);
+ for (i = 0; i < sizeof(struct audio_aio_write_param)/4;
+ i++, ++ptrmem)
+ pr_debug("cmd[%d]=0x%08x\n", i, *ptrmem);
+ if (q6asm_async_write(prtd->audio_client,
+ ¶m) < 0)
+ pr_err("%s:q6asm_async_write failed\n",
+ __func__);
+ else
+ prtd->out_head =
+ (prtd->out_head + 1) & (runtime->periods - 1);
+ break;
+ }
+ case ASM_DATA_CMDRSP_EOS:
+ pr_debug("ASM_DATA_CMDRSP_EOS\n");
+ prtd->cmd_ack = 1;
+ wake_up(&the_locks.eos_wait);
+ break;
+ case APR_BASIC_RSP_RESULT: {
+ switch (payload[0]) {
+ case ASM_SESSION_CMD_RUN: {
+ if (!atomic_read(&prtd->pending_buffer))
+ break;
+ pr_debug("%s:writing %d bytes"
+ " of buffer[%d] to dsp\n",
+ __func__, prtd->pcm_count, prtd->out_head);
+ buf = prtd->audio_client->port[IN].buf;
+ pr_debug("%s:writing buffer[%d] from 0x%08x\n",
+ __func__, prtd->out_head,
+ ((unsigned int)buf[0].phys
+ + (prtd->out_head * prtd->pcm_count)));
+ param.paddr = (unsigned long)buf[prtd->out_head].phys;
+ param.len = prtd->pcm_count;
+ param.msw_ts = 0;
+ param.lsw_ts = 0;
+ param.flags = NO_TIMESTAMP;
+ param.uid = (unsigned long)buf[prtd->out_head].phys;
+ if (q6asm_async_write(prtd->audio_client,
+ ¶m) < 0)
+ pr_err("%s:q6asm_async_write failed\n",
+ __func__);
+ else
+ prtd->out_head =
+ (prtd->out_head + 1)
+ & (runtime->periods - 1);
+ atomic_set(&prtd->pending_buffer, 0);
+ }
+ break;
+ case ASM_STREAM_CMD_FLUSH:
+ pr_debug("ASM_STREAM_CMD_FLUSH\n");
+ prtd->cmd_ack = 1;
+ wake_up(&the_locks.eos_wait);
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+ default:
+ pr_debug("Not Supported Event opcode[0x%x]\n", opcode);
+ break;
+ }
+}
+
+static int msm_compr_playback_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct compr_audio *compr = runtime->private_data;
+ struct msm_audio *prtd = &compr->prtd;
+ struct asm_aac_cfg aac_cfg;
+ struct asm_wma_cfg wma_cfg;
+ struct asm_wmapro_cfg wma_pro_cfg;
+ int ret;
+
+ pr_debug("compressed stream prepare\n");
+ prtd->pcm_size = snd_pcm_lib_buffer_bytes(substream);
+ prtd->pcm_count = snd_pcm_lib_period_bytes(substream);
+ prtd->pcm_irq_pos = 0;
+ /* rate and channels are sent to audio driver */
+ prtd->samp_rate = runtime->rate;
+ prtd->channel_mode = runtime->channels;
+ prtd->out_head = 0;
+ atomic_set(&prtd->out_count, runtime->periods);
+
+ if (prtd->enabled)
+ return 0;
+
+ switch (compr->info.codec_param.codec.id) {
+ case SND_AUDIOCODEC_MP3:
+ ret = q6asm_media_format_block(prtd->audio_client,
+ compr->codec);
+ if (ret < 0)
+ pr_info("%s: CMD Format block failed\n", __func__);
+ break;
+ case SND_AUDIOCODEC_AAC:
+ pr_debug("SND_AUDIOCODEC_AAC\n");
+ memset(&aac_cfg, 0x0, sizeof(struct asm_aac_cfg));
+ aac_cfg.aot = AAC_ENC_MODE_EAAC_P;
+ aac_cfg.format = 0x03;
+ aac_cfg.ch_cfg = runtime->channels;
+ aac_cfg.sample_rate = runtime->rate;
+ ret = q6asm_media_format_block_aac(prtd->audio_client,
+ &aac_cfg);
+ if (ret < 0)
+ pr_err("%s: CMD Format block failed\n", __func__);
+ break;
+ case SND_AUDIOCODEC_AC3_PASS_THROUGH:
+ pr_debug("compressd playback, no need to send"
+ " the decoder params\n");
+ break;
+ case SND_AUDIOCODEC_WMA:
+ pr_debug("SND_AUDIOCODEC_WMA\n");
+ memset(&wma_cfg, 0x0, sizeof(struct asm_wma_cfg));
+ wma_cfg.format_tag = compr->info.codec_param.codec.format;
+ wma_cfg.ch_cfg = runtime->channels;
+ wma_cfg.sample_rate = runtime->rate;
+ wma_cfg.avg_bytes_per_sec =
+ compr->info.codec_param.codec.bit_rate/8;
+ wma_cfg.block_align = compr->info.codec_param.codec.align;
+ wma_cfg.valid_bits_per_sample =
+ compr->info.codec_param.codec.options.wma.bits_per_sample;
+ wma_cfg.ch_mask =
+ compr->info.codec_param.codec.options.wma.channelmask;
+ wma_cfg.encode_opt =
+ compr->info.codec_param.codec.options.wma.encodeopt;
+ ret = q6asm_media_format_block_wma(prtd->audio_client,
+ &wma_cfg);
+ if (ret < 0)
+ pr_err("%s: CMD Format block failed\n", __func__);
+ break;
+ case SND_AUDIOCODEC_WMA_PRO:
+ pr_debug("SND_AUDIOCODEC_WMA_PRO\n");
+ memset(&wma_pro_cfg, 0x0, sizeof(struct asm_wmapro_cfg));
+ wma_pro_cfg.format_tag = compr->info.codec_param.codec.format;
+ wma_pro_cfg.ch_cfg = compr->info.codec_param.codec.ch_in;
+ wma_pro_cfg.sample_rate = runtime->rate;
+ wma_pro_cfg.avg_bytes_per_sec =
+ compr->info.codec_param.codec.bit_rate/8;
+ wma_pro_cfg.block_align = compr->info.codec_param.codec.align;
+ wma_pro_cfg.valid_bits_per_sample =
+ compr->info.codec_param.codec.options.wma.bits_per_sample;
+ wma_pro_cfg.ch_mask =
+ compr->info.codec_param.codec.options.wma.channelmask;
+ wma_pro_cfg.encode_opt =
+ compr->info.codec_param.codec.options.wma.encodeopt;
+ ret = q6asm_media_format_block_wmapro(prtd->audio_client,
+ &wma_pro_cfg);
+ if (ret < 0)
+ pr_err("%s: CMD Format block failed\n", __func__);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ prtd->enabled = 1;
+ prtd->cmd_ack = 0;
+
+ return 0;
+}
+
+static int msm_compr_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ int ret = 0;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
+ struct compr_audio *compr = runtime->private_data;
+ struct msm_audio *prtd = &compr->prtd;
+
+ pr_debug("%s\n", __func__);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ prtd->pcm_irq_pos = 0;
+ if (compr->info.codec_param.codec.id ==
+ SND_AUDIOCODEC_AC3_PASS_THROUGH) {
+ msm_pcm_routing_reg_psthr_stream(
+ soc_prtd->dai_link->be_id,
+ prtd->session_id, substream->stream);
+ }
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ pr_debug("%s: Trigger start\n", __func__);
+ q6asm_run_nowait(prtd->audio_client, 0, 0, 0);
+ atomic_set(&prtd->start, 1);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ pr_debug("SNDRV_PCM_TRIGGER_STOP\n");
+ atomic_set(&prtd->start, 0);
+ break;
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ pr_debug("SNDRV_PCM_TRIGGER_PAUSE\n");
+ q6asm_cmd_nowait(prtd->audio_client, CMD_PAUSE);
+ atomic_set(&prtd->start, 0);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static void populate_codec_list(struct compr_audio *compr,
+ struct snd_pcm_runtime *runtime)
+{
+ pr_debug("%s\n", __func__);
+ /* MP3 Block */
+ compr->info.compr_cap.num_codecs = 1;
+ compr->info.compr_cap.min_fragment_size = runtime->hw.period_bytes_min;
+ compr->info.compr_cap.max_fragment_size = runtime->hw.period_bytes_max;
+ compr->info.compr_cap.min_fragments = runtime->hw.periods_min;
+ compr->info.compr_cap.max_fragments = runtime->hw.periods_max;
+ compr->info.compr_cap.codecs[0] = SND_AUDIOCODEC_MP3;
+ compr->info.compr_cap.codecs[1] = SND_AUDIOCODEC_AAC;
+ compr->info.compr_cap.codecs[2] = SND_AUDIOCODEC_AC3_PASS_THROUGH;
+ compr->info.compr_cap.codecs[3] = SND_AUDIOCODEC_WMA;
+ compr->info.compr_cap.codecs[4] = SND_AUDIOCODEC_WMA_PRO;
+ /* Add new codecs here */
+}
+
+static int msm_compr_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct compr_audio *compr;
+ struct msm_audio *prtd;
+ int ret = 0;
+ struct asm_softpause_params softpause = {
+ .enable = SOFT_PAUSE_ENABLE,
+ .period = SOFT_PAUSE_PERIOD,
+ .step = SOFT_PAUSE_STEP,
+ .rampingcurve = SOFT_PAUSE_CURVE_LINEAR,
+ };
+ struct asm_softvolume_params softvol = {
+ .period = SOFT_VOLUME_PERIOD,
+ .step = SOFT_VOLUME_STEP,
+ .rampingcurve = SOFT_VOLUME_CURVE_LINEAR,
+ };
+
+ /* Capture path */
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ return -EINVAL;
+
+ pr_debug("%s\n", __func__);
+ compr = kzalloc(sizeof(struct compr_audio), GFP_KERNEL);
+ if (compr == NULL) {
+ pr_err("Failed to allocate memory for msm_audio\n");
+ return -ENOMEM;
+ }
+ prtd = &compr->prtd;
+ prtd->substream = substream;
+ prtd->audio_client = q6asm_audio_client_alloc(
+ (app_cb)compr_event_handler, compr);
+ if (!prtd->audio_client) {
+ pr_info("%s: Could not allocate memory\n", __func__);
+ kfree(prtd);
+ return -ENOMEM;
+ }
+ runtime->hw = msm_compr_hardware_playback;
+
+ pr_info("%s: session ID %d\n", __func__, prtd->audio_client->session);
+
+ prtd->session_id = prtd->audio_client->session;
+
+ prtd->cmd_ack = 1;
+
+ ret = snd_pcm_hw_constraint_list(runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ &constraints_sample_rates);
+ if (ret < 0)
+ pr_info("snd_pcm_hw_constraint_list failed\n");
+ /* Ensure that buffer size is a multiple of period size */
+ ret = snd_pcm_hw_constraint_integer(runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+ if (ret < 0)
+ pr_info("snd_pcm_hw_constraint_integer failed\n");
+
+ prtd->dsp_cnt = 0;
+ atomic_set(&prtd->pending_buffer, 1);
+ compr->codec = FORMAT_MP3;
+ populate_codec_list(compr, runtime);
+ runtime->private_data = compr;
+ compressed_audio.prtd = &compr->prtd;
+ ret = compressed_set_volume(compressed_audio.volume);
+ if (ret < 0)
+ pr_err("%s : Set Volume failed : %d", __func__, ret);
+
+ ret = q6asm_set_softpause(compressed_audio.prtd->audio_client,
+ &softpause);
+ if (ret < 0)
+ pr_err("%s: Send SoftPause Param failed ret=%d\n",
+ __func__, ret);
+ ret = q6asm_set_softvolume(compressed_audio.prtd->audio_client,
+ &softvol);
+ if (ret < 0)
+ pr_err("%s: Send SoftVolume Param failed ret=%d\n",
+ __func__, ret);
+
+ return 0;
+}
+
+int compressed_set_volume(unsigned volume)
+{
+ int rc = 0;
+ if (compressed_audio.prtd && compressed_audio.prtd->audio_client) {
+ rc = q6asm_set_volume(compressed_audio.prtd->audio_client,
+ volume);
+ if (rc < 0) {
+ pr_err("%s: Send Volume command failed"
+ " rc=%d\n", __func__, rc);
+ }
+ }
+ compressed_audio.volume = volume;
+ return rc;
+}
+
+static int msm_compr_playback_close(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
+ struct compr_audio *compr = runtime->private_data;
+ struct msm_audio *prtd = &compr->prtd;
+ int dir = 0;
+
+ pr_debug("%s\n", __func__);
+
+ dir = IN;
+ atomic_set(&prtd->pending_buffer, 0);
+ q6asm_cmd(prtd->audio_client, CMD_CLOSE);
+ compressed_audio.prtd = NULL;
+ q6asm_audio_client_buf_free_contiguous(dir,
+ prtd->audio_client);
+
+ msm_pcm_routing_dereg_phy_stream(soc_prtd->dai_link->be_id,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ q6asm_audio_client_free(prtd->audio_client);
+ kfree(prtd);
+ return 0;
+}
+
+static int msm_compr_close(struct snd_pcm_substream *substream)
+{
+ int ret = 0;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ ret = msm_compr_playback_close(substream);
+ else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ ret = EINVAL;
+ return ret;
+}
+static int msm_compr_prepare(struct snd_pcm_substream *substream)
+{
+ int ret = 0;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ ret = msm_compr_playback_prepare(substream);
+ else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ ret = EINVAL;
+ return ret;
+}
+
+static snd_pcm_uframes_t msm_compr_pointer(struct snd_pcm_substream *substream)
+{
+
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct compr_audio *compr = runtime->private_data;
+ struct msm_audio *prtd = &compr->prtd;
+
+ if (prtd->pcm_irq_pos >= prtd->pcm_size)
+ prtd->pcm_irq_pos = 0;
+
+ pr_debug("pcm_irq_pos = %d\n", prtd->pcm_irq_pos);
+ return bytes_to_frames(runtime, (prtd->pcm_irq_pos));
+}
+
+static int msm_compr_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
+{
+ int result = 0;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct compr_audio *compr = runtime->private_data;
+ struct msm_audio *prtd = &compr->prtd;
+
+ pr_debug("%s\n", __func__);
+ prtd->mmap_flag = 1;
+ if (runtime->dma_addr && runtime->dma_bytes) {
+ vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+ result = remap_pfn_range(vma, vma->vm_start,
+ runtime->dma_addr >> PAGE_SHIFT,
+ runtime->dma_bytes,
+ vma->vm_page_prot);
+ } else {
+ pr_err("Physical address or size of buf is NULL");
+ return -EINVAL;
+ }
+ return result;
+}
+
+static int msm_compr_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
+ struct compr_audio *compr = runtime->private_data;
+ struct msm_audio *prtd = &compr->prtd;
+ struct snd_dma_buffer *dma_buf = &substream->dma_buffer;
+ struct audio_buffer *buf;
+ int dir, ret;
+
+ pr_debug("%s\n", __func__);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dir = IN;
+ else
+ return -EINVAL;
+
+ switch (compr->info.codec_param.codec.id) {
+ case SND_AUDIOCODEC_AC3_PASS_THROUGH:
+ ret = q6asm_open_write_compressed(prtd->audio_client,
+ compr->codec);
+ if (ret < 0) {
+ pr_err("%s: compressed Session out open failed\n",
+ __func__);
+ return -ENOMEM;
+ }
+ break;
+ default:
+ ret = q6asm_open_write(prtd->audio_client, compr->codec);
+ if (ret < 0) {
+ pr_err("%s: Session out open failed\n", __func__);
+ return -ENOMEM;
+ }
+ msm_pcm_routing_reg_phy_stream(soc_prtd->dai_link->be_id,
+ prtd->session_id, substream->stream);
+
+ break;
+ }
+ ret = q6asm_set_io_mode(prtd->audio_client, ASYNC_IO_MODE);
+ if (ret < 0) {
+ pr_err("%s: Set IO mode failed\n", __func__);
+ return -ENOMEM;
+ }
+
+ ret = q6asm_audio_client_buf_alloc_contiguous(dir,
+ prtd->audio_client,
+ runtime->hw.period_bytes_min,
+ runtime->hw.periods_max);
+ if (ret < 0) {
+ pr_err("Audio Start: Buffer Allocation failed "
+ "rc = %d\n", ret);
+ return -ENOMEM;
+ }
+ buf = prtd->audio_client->port[dir].buf;
+
+ pr_debug("%s:buf = %p\n", __func__, buf);
+ dma_buf->dev.type = SNDRV_DMA_TYPE_DEV;
+ dma_buf->dev.dev = substream->pcm->card->dev;
+ dma_buf->private_data = NULL;
+ dma_buf->area = buf[0].data;
+ dma_buf->addr = buf[0].phys;
+ dma_buf->bytes = runtime->hw.buffer_bytes_max;
+ if (!dma_buf->area)
+ return -ENOMEM;
+
+ snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
+ return 0;
+}
+
+static int msm_compr_ioctl(struct snd_pcm_substream *substream,
+ unsigned int cmd, void *arg)
+{
+ int rc = 0;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct compr_audio *compr = runtime->private_data;
+ struct msm_audio *prtd = &compr->prtd;
+ uint64_t timestamp;
+ uint64_t temp;
+
+ switch (cmd) {
+ case SNDRV_COMPRESS_TSTAMP: {
+ struct snd_compr_tstamp tstamp;
+ pr_debug("SNDRV_COMPRESS_TSTAMP\n");
+
+ memset(&tstamp, 0x0, sizeof(struct snd_compr_tstamp));
+ timestamp = q6asm_get_session_time(prtd->audio_client);
+ if (timestamp < 0) {
+ pr_err("%s: Get Session Time return value =%lld\n",
+ __func__, timestamp);
+ return -EAGAIN;
+ }
+ temp = (timestamp * 2 * runtime->channels);
+ temp = temp * (runtime->rate/1000);
+ temp = div_u64(temp, 1000);
+ tstamp.sampling_rate = runtime->rate;
+ tstamp.timestamp = timestamp;
+ pr_debug("%s: bytes_consumed:,"
+ "timestamp = %lld,\n", __func__,
+ tstamp.timestamp);
+ if (copy_to_user((void *) arg, &tstamp,
+ sizeof(struct snd_compr_tstamp)))
+ return -EFAULT;
+ return 0;
+ }
+ case SNDRV_COMPRESS_GET_CAPS:
+ pr_debug("SNDRV_COMPRESS_GET_CAPS\n");
+ if (copy_to_user((void *) arg, &compr->info.compr_cap,
+ sizeof(struct snd_compr_caps))) {
+ rc = -EFAULT;
+ pr_err("%s: ERROR: copy to user\n", __func__);
+ return rc;
+ }
+ return 0;
+ case SNDRV_COMPRESS_SET_PARAMS:
+ pr_debug("SNDRV_COMPRESS_SET_PARAMS: ");
+ if (copy_from_user(&compr->info.codec_param, (void *) arg,
+ sizeof(struct snd_compr_params))) {
+ rc = -EFAULT;
+ pr_err("%s: ERROR: copy from user\n", __func__);
+ return rc;
+ }
+ switch (compr->info.codec_param.codec.id) {
+ case SND_AUDIOCODEC_MP3:
+ /* For MP3 we dont need any other parameter */
+ pr_debug("SND_AUDIOCODEC_MP3\n");
+ compr->codec = FORMAT_MP3;
+ break;
+ case SND_AUDIOCODEC_AAC:
+ pr_debug("SND_AUDIOCODEC_AAC\n");
+ compr->codec = FORMAT_MPEG4_AAC;
+ break;
+ case SND_AUDIOCODEC_AC3_PASS_THROUGH:
+ pr_debug("SND_AUDIOCODEC_AC3_PASS_THROUGH\n");
+ compr->codec = FORMAT_AC3;
+ break;
+ case SND_AUDIOCODEC_WMA:
+ pr_debug("SND_AUDIOCODEC_WMA\n");
+ compr->codec = FORMAT_WMA_V9;
+ break;
+ case SND_AUDIOCODEC_WMA_PRO:
+ pr_debug("SND_AUDIOCODEC_WMA_PRO\n");
+ compr->codec = FORMAT_WMA_V10PRO;
+ break;
+ default:
+ pr_debug("FORMAT_LINEAR_PCM\n");
+ compr->codec = FORMAT_LINEAR_PCM;
+ break;
+ }
+ return 0;
+ case SNDRV_PCM_IOCTL1_RESET:
+ prtd->cmd_ack = 0;
+ rc = q6asm_cmd(prtd->audio_client, CMD_FLUSH);
+ if (rc < 0)
+ pr_err("%s: flush cmd failed rc=%d\n", __func__, rc);
+ rc = wait_event_timeout(the_locks.eos_wait,
+ prtd->cmd_ack, 5 * HZ);
+ if (rc < 0)
+ pr_err("Flush cmd timeout\n");
+ prtd->pcm_irq_pos = 0;
+ break;
+ default:
+ break;
+ }
+ return snd_pcm_lib_ioctl(substream, cmd, arg);
+}
+
+static struct snd_pcm_ops msm_compr_ops = {
+ .open = msm_compr_open,
+ .hw_params = msm_compr_hw_params,
+ .close = msm_compr_close,
+ .ioctl = msm_compr_ioctl,
+ .prepare = msm_compr_prepare,
+ .trigger = msm_compr_trigger,
+ .pointer = msm_compr_pointer,
+ .mmap = msm_compr_mmap,
+};
+
+static int msm_asoc_pcm_new(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_card *card = rtd->card->snd_card;
+ int ret = 0;
+
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+ return ret;
+}
+
+static struct snd_soc_platform_driver msm_soc_platform = {
+ .ops = &msm_compr_ops,
+ .pcm_new = msm_asoc_pcm_new,
+};
+
+static __devinit int msm_compr_probe(struct platform_device *pdev)
+{
+ pr_info("%s: dev name %s\n", __func__, dev_name(&pdev->dev));
+ return snd_soc_register_platform(&pdev->dev,
+ &msm_soc_platform);
+}
+
+static int msm_compr_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_platform(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver msm_compr_driver = {
+ .driver = {
+ .name = "msm-compr-dsp",
+ .owner = THIS_MODULE,
+ },
+ .probe = msm_compr_probe,
+ .remove = __devexit_p(msm_compr_remove),
+};
+
+static int __init msm_soc_platform_init(void)
+{
+ init_waitqueue_head(&the_locks.enable_wait);
+ init_waitqueue_head(&the_locks.eos_wait);
+ init_waitqueue_head(&the_locks.write_wait);
+ init_waitqueue_head(&the_locks.read_wait);
+
+ return platform_driver_register(&msm_compr_driver);
+}
+module_init(msm_soc_platform_init);
+
+static void __exit msm_soc_platform_exit(void)
+{
+ platform_driver_unregister(&msm_compr_driver);
+}
+module_exit(msm_soc_platform_exit);
+
+MODULE_DESCRIPTION("PCM module platform driver");
+MODULE_LICENSE("GPL v2");