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yaml
---
r: 132932
b: refs/heads/master
c: da88b48
h: refs/heads/master
v: v3
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Mark Brown committed Mar 17, 2009
1 parent 1ee180c commit 6c8e9dc
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Showing 8 changed files with 114 additions and 25 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 85fab7802a4bc00cc752f430e22a0d9fc41fe199
refs/heads/master: da88b48b84e1a504b6a19aff9d5b8236a59e228a
15 changes: 15 additions & 0 deletions trunk/include/sound/pxa2xx-lib.h
Original file line number Diff line number Diff line change
Expand Up @@ -42,4 +42,19 @@ extern int pxa2xx_ac97_hw_resume(void);
extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);

/* AC97 platform_data */
/**
* struct pxa2xx_ac97_platform_data - pxa ac97 platform data
* @reset_gpio: AC97 reset gpio (normally gpio113 or gpio95)
* a -1 value means no gpio will be used for reset
*
* Platform data should only be specified for pxa27x CPUs where a silicon bug
* prevents correct operation of the reset line. If not specified, the default
* behaviour is to consider gpio 113 as the AC97 reset line, which is the
* default on most boards.
*/
struct pxa2xx_ac97_platform_data {
int reset_gpio;
};

#endif
71 changes: 66 additions & 5 deletions trunk/sound/arm/pxa2xx-ac97-lib.c
Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ static DECLARE_WAIT_QUEUE_HEAD(gsr_wq);
static volatile long gsr_bits;
static struct clk *ac97_clk;
static struct clk *ac97conf_clk;
static int reset_gpio;

/*
* Beware PXA27x bugs:
Expand All @@ -42,6 +43,45 @@ static struct clk *ac97conf_clk;
* 1 jiffy timeout if interrupt never comes).
*/

enum {
RESETGPIO_FORCE_HIGH,
RESETGPIO_FORCE_LOW,
RESETGPIO_NORMAL_ALTFUNC
};

/**
* set_resetgpio_mode - computes and sets the AC97_RESET gpio mode on PXA
* @mode: chosen action
*
* As the PXA27x CPUs suffer from a AC97 bug, a manual control of the reset line
* must be done to insure proper work of AC97 reset line. This function
* computes the correct gpio_mode for further use by reset functions, and
* applied the change through pxa_gpio_mode.
*/
static void set_resetgpio_mode(int resetgpio_action)
{
int mode = 0;

if (reset_gpio)
switch (resetgpio_action) {
case RESETGPIO_NORMAL_ALTFUNC:
if (reset_gpio == 113)
mode = 113 | GPIO_OUT | GPIO_DFLT_LOW;
if (reset_gpio == 95)
mode = 95 | GPIO_ALT_FN_1_OUT;
break;
case RESETGPIO_FORCE_LOW:
mode = reset_gpio | GPIO_OUT | GPIO_DFLT_LOW;
break;
case RESETGPIO_FORCE_HIGH:
mode = reset_gpio | GPIO_OUT | GPIO_DFLT_HIGH;
break;
};

if (mode)
pxa_gpio_mode(mode);
}

unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
{
unsigned short val = -1;
Expand Down Expand Up @@ -137,10 +177,10 @@ static inline void pxa_ac97_warm_pxa27x(void)

/* warm reset broken on Bulverde,
so manually keep AC97 reset high */
pxa_gpio_mode(113 | GPIO_OUT | GPIO_DFLT_HIGH);
set_resetgpio_mode(RESETGPIO_FORCE_HIGH);
udelay(10);
GCR |= GCR_WARM_RST;
pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
set_resetgpio_mode(RESETGPIO_NORMAL_ALTFUNC);
udelay(500);
}

Expand Down Expand Up @@ -308,8 +348,8 @@ int pxa2xx_ac97_hw_resume(void)
pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD);
}
if (cpu_is_pxa27x()) {
/* Use GPIO 113 as AC97 Reset on Bulverde */
pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
/* Use GPIO 113 or 95 as AC97 Reset on Bulverde */
set_resetgpio_mode(RESETGPIO_NORMAL_ALTFUNC);
}
clk_enable(ac97_clk);
return 0;
Expand All @@ -320,6 +360,27 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_hw_resume);
int __devinit pxa2xx_ac97_hw_probe(struct platform_device *dev)
{
int ret;
struct pxa2xx_ac97_platform_data *pdata = dev->dev.platform_data;

if (pdata) {
switch (pdata->reset_gpio) {
case 95:
case 113:
reset_gpio = pdata->reset_gpio;
break;
case 0:
reset_gpio = 113;
break;
case -1:
break;
default:
dev_err(dev, "Invalid reset GPIO %d\n",
pdata->reset_gpio);
}
} else {
if (cpu_is_pxa27x())
reset_gpio = 113;
}

if (cpu_is_pxa25x() || cpu_is_pxa27x()) {
pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
Expand All @@ -330,7 +391,7 @@ int __devinit pxa2xx_ac97_hw_probe(struct platform_device *dev)

if (cpu_is_pxa27x()) {
/* Use GPIO 113 as AC97 Reset on Bulverde */
pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
set_resetgpio_mode(RESETGPIO_NORMAL_ALTFUNC);
ac97conf_clk = clk_get(&dev->dev, "AC97CONFCLK");
if (IS_ERR(ac97conf_clk)) {
ret = PTR_ERR(ac97conf_clk);
Expand Down
12 changes: 7 additions & 5 deletions trunk/sound/soc/codecs/twl4030.c
Original file line number Diff line number Diff line change
Expand Up @@ -1383,6 +1383,12 @@ static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai,
#define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000)
#define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE)

static struct snd_soc_dai_ops twl4030_dai_ops = {
.hw_params = twl4030_hw_params,
.set_sysclk = twl4030_set_dai_sysclk,
.set_fmt = twl4030_set_dai_fmt,
};

struct snd_soc_dai twl4030_dai = {
.name = "twl4030",
.playback = {
Expand All @@ -1397,11 +1403,7 @@ struct snd_soc_dai twl4030_dai = {
.channels_max = 2,
.rates = TWL4030_RATES,
.formats = TWL4030_FORMATS,},
.ops = {
.hw_params = twl4030_hw_params,
.set_sysclk = twl4030_set_dai_sysclk,
.set_fmt = twl4030_set_dai_fmt,
}
.ops = &twl4030_dai_ops,
};
EXPORT_SYMBOL_GPL(twl4030_dai);

Expand Down
16 changes: 12 additions & 4 deletions trunk/sound/soc/pxa/pxa2xx-ac97.c
Original file line number Diff line number Diff line change
Expand Up @@ -164,10 +164,18 @@ static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000)

static struct snd_soc_dai_ops pxa_ac97_dai_ops = {
static struct snd_soc_dai_ops pxa_ac97_hifi_dai_ops = {
.hw_params = pxa2xx_ac97_hw_params,
};

static struct snd_soc_dai_ops pxa_ac97_aux_dai_ops = {
.hw_params = pxa2xx_ac97_hw_aux_params,
};

static struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = {
.hw_params = pxa2xx_ac97_hw_mic_params,
};

/*
* There is only 1 physical AC97 interface for pxa2xx, but it
* has extra fifo's that can be used for aux DACs and ADCs.
Expand All @@ -193,7 +201,7 @@ struct snd_soc_dai pxa_ac97_dai[] = {
.channels_max = 2,
.rates = PXA2XX_AC97_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
.ops = &pxa_ac97_dai_ops,
.ops = &pxa_ac97_hifi_dai_ops,
},
{
.name = "pxa2xx-ac97-aux",
Expand All @@ -211,7 +219,7 @@ struct snd_soc_dai pxa_ac97_dai[] = {
.channels_max = 1,
.rates = PXA2XX_AC97_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
.ops = &pxa_ac97_dai_ops,
.ops = &pxa_ac97_aux_dai_ops,
},
{
.name = "pxa2xx-ac97-mic",
Expand All @@ -223,7 +231,7 @@ struct snd_soc_dai pxa_ac97_dai[] = {
.channels_max = 1,
.rates = PXA2XX_AC97_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
.ops = &pxa_ac97_dai_ops,
.ops = &pxa_ac97_mic_dai_ops,
},
};

Expand Down
8 changes: 5 additions & 3 deletions trunk/sound/soc/s3c24xx/s3c64xx-i2s.c
Original file line number Diff line number Diff line change
Expand Up @@ -177,6 +177,10 @@ static int s3c64xx_i2s_probe(struct platform_device *pdev,
#define S3C64XX_I2S_FMTS \
(SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE)

static struct snd_soc_dai_ops s3c64xx_i2s_dai_ops = {
.set_sysclk = s3c64xx_i2s_set_sysclk,
};

struct snd_soc_dai s3c64xx_i2s_dai = {
.name = "s3c64xx-i2s",
.id = 0,
Expand All @@ -193,9 +197,7 @@ struct snd_soc_dai s3c64xx_i2s_dai = {
.rates = S3C64XX_I2S_RATES,
.formats = S3C64XX_I2S_FMTS,
},
.ops = {
.set_sysclk = s3c64xx_i2s_set_sysclk,
},
.ops = &s3c64xx_i2s_dai_ops,
};
EXPORT_SYMBOL_GPL(s3c64xx_i2s_dai);

Expand Down
12 changes: 6 additions & 6 deletions trunk/sound/soc/sh/hac.c
Original file line number Diff line number Diff line change
Expand Up @@ -267,6 +267,10 @@ static int hac_hw_params(struct snd_pcm_substream *substream,
#define AC97_FMTS \
SNDRV_PCM_FMTBIT_S16_LE

static struct snd_soc_dai_ops hac_dai_ops = {
.hw_params = hac_hw_params,
};

struct snd_soc_dai sh4_hac_dai[] = {
{
.name = "HAC0",
Expand All @@ -284,9 +288,7 @@ struct snd_soc_dai sh4_hac_dai[] = {
.channels_min = 2,
.channels_max = 2,
},
.ops = {
.hw_params = hac_hw_params,
},
.ops = &hac_dai_ops,
},
#ifdef CONFIG_CPU_SUBTYPE_SH7760
{
Expand All @@ -305,9 +307,7 @@ struct snd_soc_dai sh4_hac_dai[] = {
.channels_min = 2,
.channels_max = 2,
},
.ops = {
.hw_params = hac_hw_params,
},
.ops = &hac_dai_ops,

},
#endif
Expand Down
3 changes: 2 additions & 1 deletion trunk/sound/soc/soc-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -1432,7 +1432,8 @@ void snd_soc_free_pcms(struct snd_soc_device *socdev)
#ifdef CONFIG_SND_SOC_AC97_BUS
for (i = 0; i < codec->num_dai; i++) {
codec_dai = &codec->dai[i];
if (codec_dai->ac97_control && codec->ac97) {
if (codec_dai->ac97_control && codec->ac97 &&
strcmp(codec->name, "AC97") != 0) {
soc_ac97_dev_unregister(codec);
goto free_card;
}
Expand Down

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