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-rw-r--r--sound/arm/pxa2xx-ac97.c26
-rw-r--r--sound/arm/pxa2xx-pcm-lib.c52
-rw-r--r--sound/arm/pxa2xx-pcm.c5
-rw-r--r--sound/arm/pxa2xx-pcm.h6
4 files changed, 64 insertions, 25 deletions
diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c
index ce431e6e07cf..5066a3768b28 100644
--- a/sound/arm/pxa2xx-ac97.c
+++ b/sound/arm/pxa2xx-ac97.c
@@ -14,12 +14,14 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/dmaengine.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/initval.h>
#include <sound/pxa2xx-lib.h>
+#include <sound/dmaengine_pcm.h>
#include <mach/regs-ac97.h>
#include <mach/audio.h>
@@ -41,20 +43,20 @@ static struct snd_ac97_bus_ops pxa2xx_ac97_ops = {
.reset = pxa2xx_ac97_reset,
};
-static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_out = {
- .name = "AC97 PCM out",
- .dev_addr = __PREG(PCDR),
- .drcmr = &DRCMR(12),
- .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
- DCMD_BURST32 | DCMD_WIDTH4,
+static unsigned long pxa2xx_ac97_pcm_out_req = 12;
+static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_out = {
+ .addr = __PREG(PCDR),
+ .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
+ .maxburst = 32,
+ .filter_data = &pxa2xx_ac97_pcm_out_req,
};
-static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_in = {
- .name = "AC97 PCM in",
- .dev_addr = __PREG(PCDR),
- .drcmr = &DRCMR(11),
- .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
- DCMD_BURST32 | DCMD_WIDTH4,
+static unsigned long pxa2xx_ac97_pcm_in_req = 11;
+static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_in = {
+ .addr = __PREG(PCDR),
+ .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
+ .maxburst = 32,
+ .filter_data = &pxa2xx_ac97_pcm_in_req,
};
static struct snd_pcm *pxa2xx_ac97_pcm;
diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
index 823359ed95e1..a61d7a9a995e 100644
--- a/sound/arm/pxa2xx-pcm-lib.c
+++ b/sound/arm/pxa2xx-pcm-lib.c
@@ -7,11 +7,13 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/dma-mapping.h>
+#include <linux/dmaengine.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/pxa2xx-lib.h>
+#include <sound/dmaengine_pcm.h>
#include <mach/dma.h>
@@ -43,6 +45,35 @@ int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
size_t period = params_period_bytes(params);
pxa_dma_desc *dma_desc;
dma_addr_t dma_buff_phys, next_desc_phys;
+ u32 dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG;
+
+ /* temporary transition hack */
+ switch (rtd->params->addr_width) {
+ case DMA_SLAVE_BUSWIDTH_1_BYTE:
+ dcmd |= DCMD_WIDTH1;
+ break;
+ case DMA_SLAVE_BUSWIDTH_2_BYTES:
+ dcmd |= DCMD_WIDTH2;
+ break;
+ case DMA_SLAVE_BUSWIDTH_4_BYTES:
+ dcmd |= DCMD_WIDTH4;
+ break;
+ default:
+ /* can't happen */
+ break;
+ }
+
+ switch (rtd->params->maxburst) {
+ case 8:
+ dcmd |= DCMD_BURST8;
+ break;
+ case 16:
+ dcmd |= DCMD_BURST16;
+ break;
+ case 32:
+ dcmd |= DCMD_BURST32;
+ break;
+ }
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
runtime->dma_bytes = totsize;
@@ -55,14 +86,14 @@ int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
dma_desc->ddadr = next_desc_phys;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
dma_desc->dsadr = dma_buff_phys;
- dma_desc->dtadr = rtd->params->dev_addr;
+ dma_desc->dtadr = rtd->params->addr;
} else {
- dma_desc->dsadr = rtd->params->dev_addr;
+ dma_desc->dsadr = rtd->params->addr;
dma_desc->dtadr = dma_buff_phys;
}
if (period > totsize)
period = totsize;
- dma_desc->dcmd = rtd->params->dcmd | period | DCMD_ENDIRQEN;
+ dma_desc->dcmd = dcmd | period | DCMD_ENDIRQEN;
dma_desc++;
dma_buff_phys += period;
} while (totsize -= period);
@@ -76,8 +107,10 @@ int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
{
struct pxa2xx_runtime_data *rtd = substream->runtime->private_data;
- if (rtd && rtd->params && rtd->params->drcmr)
- *rtd->params->drcmr = 0;
+ if (rtd && rtd->params && rtd->params->filter_data) {
+ unsigned long req = *(unsigned long *) rtd->params->filter_data;
+ DRCMR(req) = 0;
+ }
snd_pcm_set_runtime_buffer(substream, NULL);
return 0;
@@ -136,6 +169,7 @@ EXPORT_SYMBOL(pxa2xx_pcm_pointer);
int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream)
{
struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
+ unsigned long req;
if (!prtd || !prtd->params)
return 0;
@@ -146,7 +180,8 @@ int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream)
DCSR(prtd->dma_ch) &= ~DCSR_RUN;
DCSR(prtd->dma_ch) = 0;
DCMD(prtd->dma_ch) = 0;
- *prtd->params->drcmr = prtd->dma_ch | DRCMR_MAPVLD;
+ req = *(unsigned long *) prtd->params->filter_data;
+ DRCMR(req) = prtd->dma_ch | DRCMR_MAPVLD;
return 0;
}
@@ -155,7 +190,6 @@ EXPORT_SYMBOL(__pxa2xx_pcm_prepare);
void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id)
{
struct snd_pcm_substream *substream = dev_id;
- struct pxa2xx_runtime_data *rtd = substream->runtime->private_data;
int dcsr;
dcsr = DCSR(dma_ch);
@@ -164,8 +198,8 @@ void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id)
if (dcsr & DCSR_ENDINTR) {
snd_pcm_period_elapsed(substream);
} else {
- printk(KERN_ERR "%s: DMA error on channel %d (DCSR=%#x)\n",
- rtd->params->name, dma_ch, dcsr);
+ printk(KERN_ERR "DMA error on channel %d (DCSR=%#x)\n",
+ dma_ch, dcsr);
snd_pcm_stream_lock(substream);
snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
snd_pcm_stream_unlock(substream);
diff --git a/sound/arm/pxa2xx-pcm.c b/sound/arm/pxa2xx-pcm.c
index 26422a3584ea..69a2455b4472 100644
--- a/sound/arm/pxa2xx-pcm.c
+++ b/sound/arm/pxa2xx-pcm.c
@@ -11,8 +11,11 @@
*/
#include <linux/module.h>
+#include <linux/dmaengine.h>
+
#include <sound/core.h>
#include <sound/pxa2xx-lib.h>
+#include <sound/dmaengine_pcm.h>
#include "pxa2xx-pcm.h"
@@ -40,7 +43,7 @@ static int pxa2xx_pcm_open(struct snd_pcm_substream *substream)
rtd->params = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
client->playback_params : client->capture_params;
- ret = pxa_request_dma(rtd->params->name, DMA_PRIO_LOW,
+ ret = pxa_request_dma("dma", DMA_PRIO_LOW,
pxa2xx_pcm_dma_irq, substream);
if (ret < 0)
goto err2;
diff --git a/sound/arm/pxa2xx-pcm.h b/sound/arm/pxa2xx-pcm.h
index 65f86b56ba42..2a8fc08d52a1 100644
--- a/sound/arm/pxa2xx-pcm.h
+++ b/sound/arm/pxa2xx-pcm.h
@@ -13,14 +13,14 @@
struct pxa2xx_runtime_data {
int dma_ch;
- struct pxa2xx_pcm_dma_params *params;
+ struct snd_dmaengine_dai_dma_data *params;
pxa_dma_desc *dma_desc_array;
dma_addr_t dma_desc_array_phys;
};
struct pxa2xx_pcm_client {
- struct pxa2xx_pcm_dma_params *playback_params;
- struct pxa2xx_pcm_dma_params *capture_params;
+ struct snd_dmaengine_dai_dma_data *playback_params;
+ struct snd_dmaengine_dai_dma_data *capture_params;
int (*startup)(struct snd_pcm_substream *);
void (*shutdown)(struct snd_pcm_substream *);
int (*prepare)(struct snd_pcm_substream *);
generated by cgit (git 2.34.1) at 2024-05-08 17:27:59 +0000