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[ALSA] Change AT91 PDC register defines for 2.6.20 kernel

Browse source 
Use the new PDC register name defines that were updated
in Linux 2.6.20.

Signed-off-by: Frank Mandarino <fmandarino@endrelia.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Frank Mandarino 2007-02-12 14:06:22 +01:00 committed by Jaroslav Kysela
parent 2a40534348
commit fa8f878701
2 changed files with 32 additions and 31 deletions
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43
sound/soc/at91/at91-i2s.c
View file

@ -20,6 +20,8 @@
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/atmel_pdc.h>
#include <sound/driver.h>
#include <sound/core.h>
#include <sound/pcm.h>
@ -29,7 +31,6 @@
#include <asm/arch/hardware.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_ssc.h>
#include <asm/arch/at91_pdc.h>
#include "at91-pcm.h"
#include "at91-i2s.h"
@ -51,17 +52,17 @@
* SSC PDC registers required by the PCM DMA engine.
*/
static struct at91_pdc_regs pdc_tx_reg = {
.xpr = AT91_PDC_TPR,
.xcr = AT91_PDC_TCR,
.xnpr = AT91_PDC_TNPR,
.xncr = AT91_PDC_TNCR,
.xpr = ATMEL_PDC_TPR,
.xcr = ATMEL_PDC_TCR,
.xnpr = ATMEL_PDC_TNPR,
.xncr = ATMEL_PDC_TNCR,
};
static struct at91_pdc_regs pdc_rx_reg = {
.xpr = AT91_PDC_RPR,
.xcr = AT91_PDC_RCR,
.xnpr = AT91_PDC_RNPR,
.xncr = AT91_PDC_RNCR,
.xpr = ATMEL_PDC_RPR,
.xcr = ATMEL_PDC_RCR,
.xnpr = ATMEL_PDC_RNPR,
.xncr = ATMEL_PDC_RNCR,
};
/*
@ -72,8 +73,8 @@ static struct at91_ssc_mask ssc_tx_mask = {
.ssc_disable = AT91_SSC_TXDIS,
.ssc_endx = AT91_SSC_ENDTX,
.ssc_endbuf = AT91_SSC_TXBUFE,
.pdc_enable = AT91_PDC_TXTEN,
.pdc_disable = AT91_PDC_TXTDIS,
.pdc_enable = ATMEL_PDC_TXTEN,
.pdc_disable = ATMEL_PDC_TXTDIS,
};
static struct at91_ssc_mask ssc_rx_mask = {
@ -81,8 +82,8 @@ static struct at91_ssc_mask ssc_rx_mask = {
.ssc_disable = AT91_SSC_RXDIS,
.ssc_endx = AT91_SSC_ENDRX,
.ssc_endbuf = AT91_SSC_RXBUFF,
.pdc_enable = AT91_PDC_RXTEN,
.pdc_disable = AT91_PDC_RXTDIS,
.pdc_enable = ATMEL_PDC_RXTEN,
.pdc_disable = ATMEL_PDC_RXTDIS,
};
@ -508,14 +509,14 @@ static int at91_i2s_hw_params(struct snd_pcm_substream *substream,
/* Reset the SSC and its PDC registers */
at91_ssc_write(ssc_p->ssc.base + AT91_SSC_CR, AT91_SSC_SWRST);
at91_ssc_write(ssc_p->ssc.base + AT91_PDC_RPR, 0);
at91_ssc_write(ssc_p->ssc.base + AT91_PDC_RCR, 0);
at91_ssc_write(ssc_p->ssc.base + AT91_PDC_RNPR, 0);
at91_ssc_write(ssc_p->ssc.base + AT91_PDC_RNCR, 0);
at91_ssc_write(ssc_p->ssc.base + AT91_PDC_TPR, 0);
at91_ssc_write(ssc_p->ssc.base + AT91_PDC_TCR, 0);
at91_ssc_write(ssc_p->ssc.base + AT91_PDC_TNPR, 0);
at91_ssc_write(ssc_p->ssc.base + AT91_PDC_TNCR, 0);
at91_ssc_write(ssc_p->ssc.base + ATMEL_PDC_RPR, 0);
at91_ssc_write(ssc_p->ssc.base + ATMEL_PDC_RCR, 0);
at91_ssc_write(ssc_p->ssc.base + ATMEL_PDC_RNPR, 0);
at91_ssc_write(ssc_p->ssc.base + ATMEL_PDC_RNCR, 0);
at91_ssc_write(ssc_p->ssc.base + ATMEL_PDC_TPR, 0);
at91_ssc_write(ssc_p->ssc.base + ATMEL_PDC_TCR, 0);
at91_ssc_write(ssc_p->ssc.base + ATMEL_PDC_TNPR, 0);
at91_ssc_write(ssc_p->ssc.base + ATMEL_PDC_TNCR, 0);
if ((ret = request_irq(ssc_p->ssc.pid, at91_i2s_interrupt,
0, ssc_p->name, ssc_p)) < 0) {

20
sound/soc/at91/at91-pcm.c
View file

@ -21,6 +21,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/atmel_pdc.h>
#include <sound/driver.h>
#include <sound/core.h>
@ -30,7 +31,6 @@
#include <asm/arch/hardware.h>
#include <asm/arch/at91_ssc.h>
#include <asm/arch/at91_pdc.h>
#include "at91-pcm.h"
@ -83,7 +83,7 @@ static void at91_pcm_dma_irq(u32 ssc_sr,
params->name, ssc_sr, count);
/* re-start the PDC */
at91_ssc_write(params->ssc_base + AT91_PDC_PTCR, params->mask->pdc_disable);
at91_ssc_write(params->ssc_base + ATMEL_PDC_PTCR, params->mask->pdc_disable);
prtd->period_ptr += prtd->period_size;
if (prtd->period_ptr >= prtd->dma_buffer_end) {
@ -94,7 +94,7 @@ static void at91_pcm_dma_irq(u32 ssc_sr,
at91_ssc_write(params->ssc_base + params->pdc->xcr,
prtd->period_size / params->pdc_xfer_size);
at91_ssc_write(params->ssc_base + AT91_PDC_PTCR, params->mask->pdc_enable);
at91_ssc_write(params->ssc_base + ATMEL_PDC_PTCR, params->mask->pdc_enable);
}
if (ssc_sr & params->mask->ssc_endx) {
@ -143,7 +143,7 @@ static int at91_pcm_hw_free(struct snd_pcm_substream *substream)
struct at91_pcm_dma_params *params = prtd->params;
if (params != NULL) {
at91_ssc_write(params->ssc_base + AT91_PDC_PTCR, params->mask->pdc_disable);
at91_ssc_write(params->ssc_base + ATMEL_PDC_PTCR, params->mask->pdc_disable);
prtd->params->dma_intr_handler = NULL;
}
@ -158,7 +158,7 @@ static int at91_pcm_prepare(struct snd_pcm_substream *substream)
at91_ssc_write(params->ssc_base + AT91_SSC_IDR,
params->mask->ssc_endx | params->mask->ssc_endbuf);
at91_ssc_write(params->ssc_base + AT91_PDC_PTCR, params->mask->pdc_disable);
at91_ssc_write(params->ssc_base + ATMEL_PDC_PTCR, params->mask->pdc_disable);
return 0;
}
@ -192,7 +192,7 @@ static int at91_pcm_trigger(struct snd_pcm_substream *substream,
at91_ssc_write(params->ssc_base + AT91_SSC_IER,
params->mask->ssc_endx | params->mask->ssc_endbuf);
at91_ssc_write(params->ssc_base + AT91_PDC_PTCR, params->mask->pdc_enable);
at91_ssc_write(params->ssc_base + ATMEL_PDC_PTCR, params->mask->pdc_enable);
DBG("sr=%lx imr=%lx\n", at91_ssc_read(params->ssc_base + AT91_SSC_SR),
at91_ssc_read(params->ssc_base + AT91_SSC_IER));
@ -201,12 +201,12 @@ static int at91_pcm_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
at91_ssc_write(params->ssc_base + AT91_PDC_PTCR, params->mask->pdc_disable);
at91_ssc_write(params->ssc_base + ATMEL_PDC_PTCR, params->mask->pdc_disable);
break;
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
at91_ssc_write(params->ssc_base + AT91_PDC_PTCR, params->mask->pdc_enable);
at91_ssc_write(params->ssc_base + ATMEL_PDC_PTCR, params->mask->pdc_enable);
break;
default:
@ -379,7 +379,7 @@ static int at91_pcm_suspend(struct platform_device *pdev,
/* disable the PDC and save the PDC registers */
at91_ssc_write(params->ssc_base + AT91_PDC_PTCR, params->mask->pdc_disable);
at91_ssc_write(params->ssc_base + ATMEL_PDC_PTCR, params->mask->pdc_disable);
prtd->pdc_xpr_save = at91_ssc_read(params->ssc_base + params->pdc->xpr);
prtd->pdc_xcr_save = at91_ssc_read(params->ssc_base + params->pdc->xcr);
@ -408,7 +408,7 @@ static int at91_pcm_resume(struct platform_device *pdev,
at91_ssc_write(params->ssc_base + params->pdc->xnpr, prtd->pdc_xnpr_save);
at91_ssc_write(params->ssc_base + params->pdc->xncr, prtd->pdc_xncr_save);
at91_ssc_write(params->ssc_base + AT91_PDC_PTCR, params->mask->pdc_enable);
at91_ssc_write(params->ssc_base + ATMEL_PDC_PTCR, params->mask->pdc_enable);
return 0;
}
#else