diff options
Diffstat (limited to 'sound/soc/samsung')
26 files changed, 97 insertions, 90 deletions
diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c index b5e922f469d..16521e3ffc0 100644 --- a/sound/soc/samsung/ac97.c +++ b/sound/soc/samsung/ac97.c @@ -15,6 +15,7 @@ #include <linux/io.h> #include <linux/delay.h> #include <linux/clk.h> +#include <linux/module.h> #include <sound/soc.h> @@ -271,7 +272,10 @@ static int s3c_ac97_trigger(struct snd_pcm_substream *substream, int cmd, writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL); - s3c2410_dma_ctrl(dma_data->channel, S3C2410_DMAOP_STARTED); + if (!dma_data->ops) + dma_data->ops = samsung_dma_get_ops(); + + dma_data->ops->started(dma_data->channel); return 0; } @@ -317,7 +321,10 @@ static int s3c_ac97_mic_trigger(struct snd_pcm_substream *substream, writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL); - s3c2410_dma_ctrl(dma_data->channel, S3C2410_DMAOP_STARTED); + if (!dma_data->ops) + dma_data->ops = samsung_dma_get_ops(); + + dma_data->ops->started(dma_data->channel); return 0; } diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c index 9465588b02f..a68b2644178 100644 --- a/sound/soc/samsung/dma.c +++ b/sound/soc/samsung/dma.c @@ -16,6 +16,7 @@ #include <linux/slab.h> #include <linux/dma-mapping.h> +#include <linux/module.h> #include <sound/soc.h> #include <sound/pcm_params.h> @@ -54,7 +55,6 @@ struct runtime_data { spinlock_t lock; int state; unsigned int dma_loaded; - unsigned int dma_limit; unsigned int dma_period; dma_addr_t dma_start; dma_addr_t dma_pos; @@ -62,77 +62,79 @@ struct runtime_data { struct s3c_dma_params *params; }; +static void audio_buffdone(void *data); + /* dma_enqueue * * place a dma buffer onto the queue for the dma system * to handle. -*/ + */ static void dma_enqueue(struct snd_pcm_substream *substream) { struct runtime_data *prtd = substream->runtime->private_data; dma_addr_t pos = prtd->dma_pos; unsigned int limit; - int ret; + struct samsung_dma_prep_info dma_info; pr_debug("Entered %s\n", __func__); - if (s3c_dma_has_circular()) - limit = (prtd->dma_end - prtd->dma_start) / prtd->dma_period; - else - limit = prtd->dma_limit; + limit = (prtd->dma_end - prtd->dma_start) / prtd->dma_period; pr_debug("%s: loaded %d, limit %d\n", __func__, prtd->dma_loaded, limit); - while (prtd->dma_loaded < limit) { - unsigned long len = prtd->dma_period; + dma_info.cap = (samsung_dma_has_circular() ? DMA_CYCLIC : DMA_SLAVE); + dma_info.direction = + (substream->stream == SNDRV_PCM_STREAM_PLAYBACK + ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + dma_info.fp = audio_buffdone; + dma_info.fp_param = substream; + dma_info.period = prtd->dma_period; + dma_info.len = prtd->dma_period*limit; + while (prtd->dma_loaded < limit) { pr_debug("dma_loaded: %d\n", prtd->dma_loaded); - if ((pos + len) > prtd->dma_end) { - len = prtd->dma_end - pos; - pr_debug("%s: corrected dma len %ld\n", __func__, len); + if ((pos + dma_info.period) > prtd->dma_end) { + dma_info.period = prtd->dma_end - pos; + pr_debug("%s: corrected dma len %ld\n", + __func__, dma_info.period); } - ret = s3c2410_dma_enqueue(prtd->params->channel, - substream, pos, len); + dma_info.buf = pos; + prtd->params->ops->prepare(prtd->params->ch, &dma_info); - if (ret == 0) { - prtd->dma_loaded++; - pos += prtd->dma_period; - if (pos >= prtd->dma_end) - pos = prtd->dma_start; - } else - break; + prtd->dma_loaded++; + pos += prtd->dma_period; + if (pos >= prtd->dma_end) + pos = prtd->dma_start; } prtd->dma_pos = pos; } -static void audio_buffdone(struct s3c2410_dma_chan *channel, - void *dev_id, int size, - enum s3c2410_dma_buffresult result) +static void audio_buffdone(void *data) { - struct snd_pcm_substream *substream = dev_id; - struct runtime_data *prtd; + struct snd_pcm_substream *substream = data; + struct runtime_data *prtd = substream->runtime->private_data; pr_debug("Entered %s\n", __func__); - if (result == S3C2410_RES_ABORT || result == S3C2410_RES_ERR) - return; - - prtd = substream->runtime->private_data; + if (prtd->state & ST_RUNNING) { + prtd->dma_pos += prtd->dma_period; + if (prtd->dma_pos >= prtd->dma_end) + prtd->dma_pos = prtd->dma_start; - if (substream) - snd_pcm_period_elapsed(substream); + if (substream) + snd_pcm_period_elapsed(substream); - spin_lock(&prtd->lock); - if (prtd->state & ST_RUNNING && !s3c_dma_has_circular()) { - prtd->dma_loaded--; - dma_enqueue(substream); + spin_lock(&prtd->lock); + if (!samsung_dma_has_circular()) { + prtd->dma_loaded--; + dma_enqueue(substream); + } + spin_unlock(&prtd->lock); } - - spin_unlock(&prtd->lock); } static int dma_hw_params(struct snd_pcm_substream *substream, @@ -144,8 +146,7 @@ static int dma_hw_params(struct snd_pcm_substream *substream, unsigned long totbytes = params_buffer_bytes(params); struct s3c_dma_params *dma = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - int ret = 0; - + struct samsung_dma_info dma_info; pr_debug("Entered %s\n", __func__); @@ -163,30 +164,26 @@ static int dma_hw_params(struct snd_pcm_substream *substream, pr_debug("params %p, client %p, channel %d\n", prtd->params, prtd->params->client, prtd->params->channel); - ret = s3c2410_dma_request(prtd->params->channel, - prtd->params->client, NULL); - - if (ret < 0) { - printk(KERN_ERR "failed to get dma channel\n"); - return ret; - } - - /* use the circular buffering if we have it available. */ - if (s3c_dma_has_circular()) - s3c2410_dma_setflags(prtd->params->channel, - S3C2410_DMAF_CIRCULAR); + prtd->params->ops = samsung_dma_get_ops(); + + dma_info.cap = (samsung_dma_has_circular() ? + DMA_CYCLIC : DMA_SLAVE); + dma_info.client = prtd->params->client; + dma_info.direction = + (substream->stream == SNDRV_PCM_STREAM_PLAYBACK + ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + dma_info.width = prtd->params->dma_size; + dma_info.fifo = prtd->params->dma_addr; + prtd->params->ch = prtd->params->ops->request( + prtd->params->channel, &dma_info); } - s3c2410_dma_set_buffdone_fn(prtd->params->channel, - audio_buffdone); - snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); runtime->dma_bytes = totbytes; spin_lock_irq(&prtd->lock); prtd->dma_loaded = 0; - prtd->dma_limit = runtime->hw.periods_min; prtd->dma_period = params_period_bytes(params); prtd->dma_start = runtime->dma_addr; prtd->dma_pos = prtd->dma_start; @@ -202,11 +199,12 @@ static int dma_hw_free(struct snd_pcm_substream *substream) pr_debug("Entered %s\n", __func__); - /* TODO - do we need to ensure DMA flushed */ snd_pcm_set_runtime_buffer(substream, NULL); if (prtd->params) { - s3c2410_dma_free(prtd->params->channel, prtd->params->client); + prtd->params->ops->flush(prtd->params->ch); + prtd->params->ops->release(prtd->params->ch, + prtd->params->client); prtd->params = NULL; } @@ -225,23 +223,9 @@ static int dma_prepare(struct snd_pcm_substream *substream) if (!prtd->params) return 0; - /* channel needs configuring for mem=>device, increment memory addr, - * sync to pclk, half-word transfers to the IIS-FIFO. */ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - s3c2410_dma_devconfig(prtd->params->channel, - S3C2410_DMASRC_MEM, - prtd->params->dma_addr); - } else { - s3c2410_dma_devconfig(prtd->params->channel, - S3C2410_DMASRC_HW, - prtd->params->dma_addr); - } - - s3c2410_dma_config(prtd->params->channel, - prtd->params->dma_size); - /* flush the DMA channel */ - s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_FLUSH); + prtd->params->ops->flush(prtd->params->ch); + prtd->dma_loaded = 0; prtd->dma_pos = prtd->dma_start; @@ -265,14 +249,14 @@ static int dma_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: prtd->state |= ST_RUNNING; - s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_START); + prtd->params->ops->trigger(prtd->params->ch); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: prtd->state &= ~ST_RUNNING; - s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_STOP); + prtd->params->ops->stop(prtd->params->ch); break; default: @@ -291,21 +275,12 @@ dma_pointer(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct runtime_data *prtd = runtime->private_data; unsigned long res; - dma_addr_t src, dst; pr_debug("Entered %s\n", __func__); - spin_lock(&prtd->lock); - s3c2410_dma_getposition(prtd->params->channel, &src, &dst); - - if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) - res = dst - prtd->dma_start; - else - res = src - prtd->dma_start; - - spin_unlock(&prtd->lock); + res = prtd->dma_pos - prtd->dma_start; - pr_debug("Pointer %x %x\n", src, dst); + pr_debug("Pointer offset: %lu\n", res); /* we seem to be getting the odd error from the pcm library due * to out-of-bounds pointers. this is maybe due to the dma engine diff --git a/sound/soc/samsung/dma.h b/sound/soc/samsung/dma.h index c50659269a4..7d1ead77ef2 100644 --- a/sound/soc/samsung/dma.h +++ b/sound/soc/samsung/dma.h @@ -6,7 +6,7 @@ * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * - * ALSA PCM interface for the Samsung S3C24xx CPU + * ALSA PCM interface for the Samsung SoC */ #ifndef _S3C_AUDIO_H @@ -17,6 +17,8 @@ struct s3c_dma_params { int channel; /* Channel ID */ dma_addr_t dma_addr; int dma_size; /* Size of the DMA transfer */ + unsigned ch; + struct samsung_dma_ops *ops; }; #endif diff --git a/sound/soc/samsung/goni_wm8994.c b/sound/soc/samsung/goni_wm8994.c index 4a34f608e13..84f9c3cf7f3 100644 --- a/sound/soc/samsung/goni_wm8994.c +++ b/sound/soc/samsung/goni_wm8994.c @@ -11,6 +11,7 @@ * */ +#include <linux/module.h> #include <sound/soc.h> #include <sound/jack.h> diff --git a/sound/soc/samsung/h1940_uda1380.c b/sound/soc/samsung/h1940_uda1380.c index f75a4b60cf3..03cfa5fcdcc 100644 --- a/sound/soc/samsung/h1940_uda1380.c +++ b/sound/soc/samsung/h1940_uda1380.c @@ -15,6 +15,7 @@ #include <linux/types.h> #include <linux/gpio.h> +#include <linux/module.h> #include <sound/soc.h> #include <sound/jack.h> diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 0c9ac20d222..bff42bf370b 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -14,6 +14,7 @@ #include <linux/slab.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/module.h> #include <sound/soc.h> #include <sound/pcm_params.h> diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c index ebde0740ab1..c41178efc90 100644 --- a/sound/soc/samsung/idma.c +++ b/sound/soc/samsung/idma.c @@ -15,6 +15,7 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <linux/slab.h> +#include <linux/module.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> diff --git a/sound/soc/samsung/jive_wm8750.c b/sound/soc/samsung/jive_wm8750.c index f5f7c6f822d..1826acf20f7 100644 --- a/sound/soc/samsung/jive_wm8750.c +++ b/sound/soc/samsung/jive_wm8750.c @@ -11,6 +11,7 @@ * published by the Free Software Foundation. */ +#include <linux/module.h> #include <sound/soc.h> #include <asm/mach-types.h> diff --git a/sound/soc/samsung/ln2440sbc_alc650.c b/sound/soc/samsung/ln2440sbc_alc650.c index bd91c19a6c0..cde38b8e9dc 100644 --- a/sound/soc/samsung/ln2440sbc_alc650.c +++ b/sound/soc/samsung/ln2440sbc_alc650.c @@ -16,6 +16,7 @@ * */ +#include <linux/module.h> #include <sound/soc.h> static struct snd_soc_card ln2440sbc; diff --git a/sound/soc/samsung/pcm.c b/sound/soc/samsung/pcm.c index e55d7a5c4bd..05a47cf7f06 100644 --- a/sound/soc/samsung/pcm.c +++ b/sound/soc/samsung/pcm.c @@ -13,6 +13,7 @@ #include <linux/clk.h> #include <linux/io.h> +#include <linux/module.h> #include <sound/soc.h> #include <sound/pcm_params.h> diff --git a/sound/soc/samsung/rx1950_uda1380.c b/sound/soc/samsung/rx1950_uda1380.c index aea7f1b24e6..71b4c029fc3 100644 --- a/sound/soc/samsung/rx1950_uda1380.c +++ b/sound/soc/samsung/rx1950_uda1380.c @@ -19,6 +19,7 @@ #include <linux/types.h> #include <linux/gpio.h> +#include <linux/module.h> #include <sound/soc.h> #include <sound/jack.h> diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c index f26a8bfb235..7bbec25e6e1 100644 --- a/sound/soc/samsung/s3c2412-i2s.c +++ b/sound/soc/samsung/s3c2412-i2s.c @@ -20,6 +20,7 @@ #include <linux/gpio.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/module.h> #include <sound/soc.h> #include <sound/pcm_params.h> diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c index c08117e658d..558c64bbed2 100644 --- a/sound/soc/samsung/s3c24xx-i2s.c +++ b/sound/soc/samsung/s3c24xx-i2s.c @@ -18,6 +18,7 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/gpio.h> +#include <linux/module.h> #include <sound/soc.h> #include <sound/pcm_params.h> diff --git a/sound/soc/samsung/s3c24xx_simtec.c b/sound/soc/samsung/s3c24xx_simtec.c index c8d525bf612..a253bcc1646 100644 --- a/sound/soc/samsung/s3c24xx_simtec.c +++ b/sound/soc/samsung/s3c24xx_simtec.c @@ -9,6 +9,7 @@ #include <linux/gpio.h> #include <linux/clk.h> +#include <linux/module.h> #include <sound/soc.h> diff --git a/sound/soc/samsung/s3c24xx_simtec_hermes.c b/sound/soc/samsung/s3c24xx_simtec_hermes.c index 6bc5a36af1d..d125e79baf7 100644 --- a/sound/soc/samsung/s3c24xx_simtec_hermes.c +++ b/sound/soc/samsung/s3c24xx_simtec_hermes.c @@ -7,6 +7,7 @@ * published by the Free Software Foundation. */ +#include <linux/module.h> #include <sound/soc.h> #include "s3c24xx_simtec.h" diff --git a/sound/soc/samsung/s3c24xx_simtec_tlv320aic23.c b/sound/soc/samsung/s3c24xx_simtec_tlv320aic23.c index 7bdda767400..5e4fd46b720 100644 --- a/sound/soc/samsung/s3c24xx_simtec_tlv320aic23.c +++ b/sound/soc/samsung/s3c24xx_simtec_tlv320aic23.c @@ -7,6 +7,7 @@ * published by the Free Software Foundation. */ +#include <linux/module.h> #include <sound/soc.h> #include "s3c24xx_simtec.h" diff --git a/sound/soc/samsung/s3c24xx_uda134x.c b/sound/soc/samsung/s3c24xx_uda134x.c index 65c1cfd47d8..548c6ac6e7b 100644 --- a/sound/soc/samsung/s3c24xx_uda134x.c +++ b/sound/soc/samsung/s3c24xx_uda134x.c @@ -13,6 +13,7 @@ #include <linux/clk.h> #include <linux/gpio.h> +#include <linux/module.h> #include <sound/soc.h> #include <sound/s3c24xx_uda134x.h> diff --git a/sound/soc/samsung/smartq_wm8987.c b/sound/soc/samsung/smartq_wm8987.c index 6ac6bc2bcc4..a22fc440280 100644 --- a/sound/soc/samsung/smartq_wm8987.c +++ b/sound/soc/samsung/smartq_wm8987.c @@ -14,6 +14,7 @@ */ #include <linux/gpio.h> +#include <linux/module.h> #include <sound/soc.h> #include <sound/jack.h> diff --git a/sound/soc/samsung/smdk_spdif.c b/sound/soc/samsung/smdk_spdif.c index e8ac961c6ba..e0fd8ad2355 100644 --- a/sound/soc/samsung/smdk_spdif.c +++ b/sound/soc/samsung/smdk_spdif.c @@ -11,6 +11,7 @@ */ #include <linux/clk.h> +#include <linux/module.h> #include <sound/soc.h> diff --git a/sound/soc/samsung/smdk_wm8580.c b/sound/soc/samsung/smdk_wm8580.c index 8f92ffceb5c..81b44782399 100644 --- a/sound/soc/samsung/smdk_wm8580.c +++ b/sound/soc/samsung/smdk_wm8580.c @@ -10,6 +10,7 @@ * option) any later version. */ +#include <linux/module.h> #include <sound/soc.h> #include <sound/pcm_params.h> diff --git a/sound/soc/samsung/smdk_wm8580pcm.c b/sound/soc/samsung/smdk_wm8580pcm.c index 4b9c73477ce..0677473e6b6 100644 --- a/sound/soc/samsung/smdk_wm8580pcm.c +++ b/sound/soc/samsung/smdk_wm8580pcm.c @@ -8,6 +8,7 @@ * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ +#include <linux/module.h> #include <sound/soc.h> #include <sound/pcm_params.h> #include <sound/pcm.h> diff --git a/sound/soc/samsung/smdk_wm8994pcm.c b/sound/soc/samsung/smdk_wm8994pcm.c index 5f211168548..da9c2a264d9 100644 --- a/sound/soc/samsung/smdk_wm8994pcm.c +++ b/sound/soc/samsung/smdk_wm8994pcm.c @@ -9,6 +9,7 @@ * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ +#include <linux/module.h> #include <sound/soc.h> #include <sound/pcm.h> #include <sound/pcm_params.h> diff --git a/sound/soc/samsung/smdk_wm9713.c b/sound/soc/samsung/smdk_wm9713.c index fffe3c1dd1b..31c6daf6d4d 100644 --- a/sound/soc/samsung/smdk_wm9713.c +++ b/sound/soc/samsung/smdk_wm9713.c @@ -11,6 +11,7 @@ * */ +#include <linux/module.h> #include <sound/soc.h> static struct snd_soc_card smdk; diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c index 3122f3154bf..468cff1bb1a 100644 --- a/sound/soc/samsung/spdif.c +++ b/sound/soc/samsung/spdif.c @@ -12,6 +12,7 @@ #include <linux/clk.h> #include <linux/io.h> +#include <linux/module.h> #include <sound/soc.h> #include <sound/pcm_params.h> diff --git a/sound/soc/samsung/speyside.c b/sound/soc/samsung/speyside.c index b9e213f6cc0..85bf541a771 100644 --- a/sound/soc/samsung/speyside.c +++ b/sound/soc/samsung/speyside.c @@ -13,6 +13,7 @@ #include <sound/soc-dapm.h> #include <sound/jack.h> #include <linux/gpio.h> +#include <linux/module.h> #include "../codecs/wm8996.h" #include "../codecs/wm9081.h" diff --git a/sound/soc/samsung/speyside_wm8962.c b/sound/soc/samsung/speyside_wm8962.c index 8a082044436..e3e27166cc5 100644 --- a/sound/soc/samsung/speyside_wm8962.c +++ b/sound/soc/samsung/speyside_wm8962.c @@ -13,6 +13,7 @@ #include <sound/soc-dapm.h> #include <sound/jack.h> #include <linux/gpio.h> +#include <linux/module.h> #include "../codecs/wm8962.h" |