AcoSail/kernel_optimize_test
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Merge branch 'for-2.6.34' into for-2.6.35

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This commit is contained in:
Mark Brown 2010-04-17 10:45:54 +09:00
commit 890c681275
4 changed files with 45 additions and 29 deletions
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1
sound/soc/codecs/wm2000.c
View File

@ -23,7 +23,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/firmware.h>

15
sound/soc/imx/imx-pcm-dma-mx2.c
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@ -70,7 +70,12 @@ static void imx_ssi_dma_callback(int channel, void *data)
static void snd_imx_dma_err_callback(int channel, void *data, int err)
{
pr_err("DMA error callback called\n");
struct snd_pcm_substream *substream = data;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct imx_pcm_dma_params *dma_params = rtd->dai->cpu_dai->dma_data;
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
int ret;
pr_err("DMA timeout on channel %d -%s%s%s%s\n",
channel,
@ -78,6 +83,14 @@ static void snd_imx_dma_err_callback(int channel, void *data, int err)
err & IMX_DMA_ERR_REQUEST ? " request" : "",
err & IMX_DMA_ERR_TRANSFER ? " transfer" : "",
err & IMX_DMA_ERR_BUFFER ? " buffer" : "");
imx_dma_disable(iprtd->dma);
ret = imx_dma_setup_sg(iprtd->dma, iprtd->sg_list, iprtd->sg_count,
IMX_DMA_LENGTH_LOOP, dma_params->dma_addr,
substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
DMA_MODE_WRITE : DMA_MODE_READ);
if (!ret)
imx_dma_enable(iprtd->dma);
}
static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream)

55
sound/soc/imx/imx-pcm-fiq.c
View File

@ -38,23 +38,24 @@ struct imx_pcm_runtime_data {
unsigned long offset;
unsigned long last_offset;
unsigned long size;
struct timer_list timer;
int poll_time;
struct hrtimer hrt;
int poll_time_ns;
struct snd_pcm_substream *substream;
atomic_t running;
};
static inline void imx_ssi_set_next_poll(struct imx_pcm_runtime_data *iprtd)
static enum hrtimer_restart snd_hrtimer_callback(struct hrtimer *hrt)
{
iprtd->timer.expires = jiffies + iprtd->poll_time;
}
static void imx_ssi_timer_callback(unsigned long data)
{
struct snd_pcm_substream *substream = (void *)data;
struct imx_pcm_runtime_data *iprtd =
container_of(hrt, struct imx_pcm_runtime_data, hrt);
struct snd_pcm_substream *substream = iprtd->substream;
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
struct pt_regs regs;
unsigned long delta;
if (!atomic_read(&iprtd->running))
return HRTIMER_NORESTART;
get_fiq_regs(&regs);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
@ -71,16 +72,14 @@ static void imx_ssi_timer_callback(unsigned long data)
/* If we've transferred at least a period then report it and
* reset our poll time */
if (delta >= runtime->period_size) {
if (delta >= iprtd->period) {
snd_pcm_period_elapsed(substream);
iprtd->last_offset = iprtd->offset;
imx_ssi_set_next_poll(iprtd);
}
/* Restart the timer; if we didn't report we'll run on the next tick */
add_timer(&iprtd->timer);
hrtimer_forward_now(hrt, ns_to_ktime(iprtd->poll_time_ns));
return HRTIMER_RESTART;
}
static struct fiq_handler fh = {
@ -98,8 +97,8 @@ static int snd_imx_pcm_hw_params(struct snd_pcm_substream *substream,
iprtd->period = params_period_bytes(params) ;
iprtd->offset = 0;
iprtd->last_offset = 0;
iprtd->poll_time = HZ / (params_rate(params) / params_period_size(params));
iprtd->poll_time_ns = 1000000000 / params_rate(params) *
params_period_size(params);
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
return 0;
@ -134,8 +133,9 @@ static int snd_imx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
imx_ssi_set_next_poll(iprtd);
add_timer(&iprtd->timer);
atomic_set(&iprtd->running, 1);
hrtimer_start(&iprtd->hrt, ns_to_ktime(iprtd->poll_time_ns),
HRTIMER_MODE_REL);
if (++fiq_enable == 1)
enable_fiq(imx_pcm_fiq);
@ -144,11 +144,11 @@ static int snd_imx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
del_timer(&iprtd->timer);
atomic_set(&iprtd->running, 0);
if (--fiq_enable == 0)
disable_fiq(imx_pcm_fiq);
break;
default:
return -EINVAL;
@ -179,7 +179,7 @@ static struct snd_pcm_hardware snd_imx_hardware = {
.buffer_bytes_max = IMX_SSI_DMABUF_SIZE,
.period_bytes_min = 128,
.period_bytes_max = 16 * 1024,
.periods_min = 2,
.periods_min = 4,
.periods_max = 255,
.fifo_size = 0,
};
@ -193,9 +193,11 @@ static int snd_imx_open(struct snd_pcm_substream *substream)
iprtd = kzalloc(sizeof(*iprtd), GFP_KERNEL);
runtime->private_data = iprtd;
init_timer(&iprtd->timer);
iprtd->timer.data = (unsigned long)substream;
iprtd->timer.function = imx_ssi_timer_callback;
iprtd->substream = substream;
atomic_set(&iprtd->running, 0);
hrtimer_init(&iprtd->hrt, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
iprtd->hrt.function = snd_hrtimer_callback;
ret = snd_pcm_hw_constraint_integer(substream->runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
@ -211,7 +213,8 @@ static int snd_imx_close(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
del_timer_sync(&iprtd->timer);
hrtimer_cancel(&iprtd->hrt);
kfree(iprtd);
return 0;

3
sound/soc/imx/imx-ssi.c
View File

@ -655,7 +655,8 @@ static int imx_ssi_probe(struct platform_device *pdev)
dai->private_data = ssi;
if ((cpu_is_mx27() || cpu_is_mx21()) &&
!(ssi->flags & IMX_SSI_USE_AC97)) {
!(ssi->flags & IMX_SSI_USE_AC97) &&
(ssi->flags & IMX_SSI_DMA)) {
ssi->flags |= IMX_SSI_DMA;
platform = imx_ssi_dma_mx2_init(pdev, ssi);
} else