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author | Scott Wood <scottwood@freescale.com> | 2014-04-07 23:49:35 (GMT) |
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committer | Scott Wood <scottwood@freescale.com> | 2014-04-07 23:49:35 (GMT) |
commit | 62b8c978ee6b8d135d9e7953221de58000dba986 (patch) | |
tree | 683b04b2e627f6710c22c151b23c8cc9a165315e /sound/arm | |
parent | 78fd82238d0e5716578c326404184a27ba67fd6e (diff) | |
download | linux-fsl-qoriq-62b8c978ee6b8d135d9e7953221de58000dba986.tar.xz |
Rewind v3.13-rc3+ (78fd82238d0e5716) to v3.12
Diffstat (limited to 'sound/arm')
-rw-r--r-- | sound/arm/pxa2xx-ac97-lib.c | 31 | ||||
-rw-r--r-- | sound/arm/pxa2xx-ac97.c | 2 | ||||
-rw-r--r-- | sound/arm/pxa2xx-pcm.c | 10 |
3 files changed, 26 insertions, 17 deletions
diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c index 66de90e..e6f4633 100644 --- a/sound/arm/pxa2xx-ac97-lib.c +++ b/sound/arm/pxa2xx-ac97-lib.c @@ -117,7 +117,8 @@ static inline void pxa_ac97_warm_pxa25x(void) { gsr_bits = 0; - GCR |= GCR_WARM_RST; + GCR |= GCR_WARM_RST | GCR_PRIRDY_IEN | GCR_SECRDY_IEN; + wait_event_timeout(gsr_wq, gsr_bits & (GSR_PCR | GSR_SCR), 1); } static inline void pxa_ac97_cold_pxa25x(void) @@ -128,6 +129,8 @@ static inline void pxa_ac97_cold_pxa25x(void) gsr_bits = 0; GCR = GCR_COLD_RST; + GCR |= GCR_CDONE_IE|GCR_SDONE_IE; + wait_event_timeout(gsr_wq, gsr_bits & (GSR_PCR | GSR_SCR), 1); } #endif @@ -146,6 +149,8 @@ static inline void pxa_ac97_warm_pxa27x(void) static inline void pxa_ac97_cold_pxa27x(void) { + unsigned int timeout; + GCR &= GCR_COLD_RST; /* clear everything but nCRST */ GCR &= ~GCR_COLD_RST; /* then assert nCRST */ @@ -156,20 +161,29 @@ static inline void pxa_ac97_cold_pxa27x(void) udelay(5); clk_disable(ac97conf_clk); GCR = GCR_COLD_RST | GCR_WARM_RST; + timeout = 100; /* wait for the codec-ready bit to be set */ + while (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--) + mdelay(1); } #endif #ifdef CONFIG_PXA3xx static inline void pxa_ac97_warm_pxa3xx(void) { + int timeout = 100; + gsr_bits = 0; /* Can't use interrupts */ GCR |= GCR_WARM_RST; + while (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--) + mdelay(1); } static inline void pxa_ac97_cold_pxa3xx(void) { + int timeout = 1000; + /* Hold CLKBPB for 100us */ GCR = 0; GCR = GCR_CLKBPB; @@ -185,13 +199,14 @@ static inline void pxa_ac97_cold_pxa3xx(void) GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN); GCR = GCR_WARM_RST | GCR_COLD_RST; + while (!(GSR & (GSR_PCR | GSR_SCR)) && timeout--) + mdelay(10); } #endif bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97) { unsigned long gsr; - unsigned int timeout = 100; #ifdef CONFIG_PXA25x if (cpu_is_pxa25x()) @@ -208,11 +223,7 @@ bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97) pxa_ac97_warm_pxa3xx(); else #endif - snd_BUG(); - - while (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--) - mdelay(1); - + BUG(); gsr = GSR | gsr_bits; if (!(gsr & (GSR_PCR | GSR_SCR))) { printk(KERN_INFO "%s: warm reset timeout (GSR=%#lx)\n", @@ -228,7 +239,6 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_try_warm_reset); bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97) { unsigned long gsr; - unsigned int timeout = 1000; #ifdef CONFIG_PXA25x if (cpu_is_pxa25x()) @@ -245,10 +255,7 @@ bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97) pxa_ac97_cold_pxa3xx(); else #endif - snd_BUG(); - - while (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--) - mdelay(1); + BUG(); gsr = GSR | gsr_bits; if (!(gsr & (GSR_PCR | GSR_SCR))) { diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c index 9a2ac1e..5066a37 100644 --- a/sound/arm/pxa2xx-ac97.c +++ b/sound/arm/pxa2xx-ac97.c @@ -185,7 +185,7 @@ static int pxa2xx_ac97_probe(struct platform_device *dev) goto err; card->dev = &dev->dev; - strlcpy(card->driver, dev->dev.driver->name, sizeof(card->driver)); + strncpy(card->driver, dev->dev.driver->name, sizeof(card->driver)); ret = pxa2xx_pcm_new(card, &pxa2xx_ac97_pcm_client, &pxa2xx_ac97_pcm); if (ret) diff --git a/sound/arm/pxa2xx-pcm.c b/sound/arm/pxa2xx-pcm.c index e6c727b..69a2455 100644 --- a/sound/arm/pxa2xx-pcm.c +++ b/sound/arm/pxa2xx-pcm.c @@ -11,7 +11,6 @@ */ #include <linux/module.h> -#include <linux/dma-mapping.h> #include <linux/dmaengine.h> #include <sound/core.h> @@ -84,6 +83,8 @@ static struct snd_pcm_ops pxa2xx_pcm_ops = { .mmap = pxa2xx_pcm_mmap, }; +static u64 pxa2xx_pcm_dmamask = 0xffffffff; + int pxa2xx_pcm_new(struct snd_card *card, struct pxa2xx_pcm_client *client, struct snd_pcm **rpcm) { @@ -99,9 +100,10 @@ int pxa2xx_pcm_new(struct snd_card *card, struct pxa2xx_pcm_client *client, pcm->private_data = client; pcm->private_free = pxa2xx_pcm_free_dma_buffers; - ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); - if (ret) - goto out; + if (!card->dev->dma_mask) + card->dev->dma_mask = &pxa2xx_pcm_dmamask; + if (!card->dev->coherent_dma_mask) + card->dev->coherent_dma_mask = 0xffffffff; if (play) { int stream = SNDRV_PCM_STREAM_PLAYBACK; |