diff options
Diffstat (limited to 'sound/arm')
| -rw-r--r-- | sound/arm/Kconfig | 5 | ||||
| -rw-r--r-- | sound/arm/Makefile | 3 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-ac97-lib.c | 12 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-ac97.c | 124 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-pcm-lib.c | 75 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-pcm.c | 129 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-pcm.h | 27 |
7 files changed, 145 insertions, 230 deletions
diff --git a/sound/arm/Kconfig b/sound/arm/Kconfig index 65171f6657a2..5fbd47a9177e 100644 --- a/sound/arm/Kconfig +++ b/sound/arm/Kconfig @@ -17,14 +17,9 @@ config SND_ARMAACI select SND_PCM select SND_AC97_CODEC -config SND_PXA2XX_PCM - tristate - select SND_PCM - config SND_PXA2XX_AC97 tristate "AC97 driver for the Intel PXA2xx chip" depends on ARCH_PXA - select SND_PXA2XX_PCM select SND_AC97_CODEC select SND_PXA2XX_LIB select SND_PXA2XX_LIB_AC97 diff --git a/sound/arm/Makefile b/sound/arm/Makefile index e10d5b169565..34c769489877 100644 --- a/sound/arm/Makefile +++ b/sound/arm/Makefile @@ -6,9 +6,6 @@ obj-$(CONFIG_SND_ARMAACI) += snd-aaci.o snd-aaci-objs := aaci.o -obj-$(CONFIG_SND_PXA2XX_PCM) += snd-pxa2xx-pcm.o -snd-pxa2xx-pcm-objs := pxa2xx-pcm.o - obj-$(CONFIG_SND_PXA2XX_LIB) += snd-pxa2xx-lib.o snd-pxa2xx-lib-y := pxa2xx-pcm-lib.o snd-pxa2xx-lib-$(CONFIG_SND_PXA2XX_LIB_AC97) += pxa2xx-ac97-lib.o diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c index 5950a9e218d9..8eafd3d3dff6 100644 --- a/sound/arm/pxa2xx-ac97-lib.c +++ b/sound/arm/pxa2xx-ac97-lib.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/io.h> #include <linux/gpio.h> +#include <linux/of_gpio.h> #include <sound/pxa2xx-lib.h> @@ -337,6 +338,17 @@ int pxa2xx_ac97_hw_probe(struct platform_device *dev) dev_err(&dev->dev, "Invalid reset GPIO %d\n", pdata->reset_gpio); } + } else if (!pdata && dev->dev.of_node) { + pdata = devm_kzalloc(&dev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + pdata->reset_gpio = of_get_named_gpio(dev->dev.of_node, + "reset-gpios", 0); + if (pdata->reset_gpio == -ENOENT) + pdata->reset_gpio = -1; + else if (pdata->reset_gpio < 0) + return pdata->reset_gpio; + reset_gpio = pdata->reset_gpio; } else { if (cpu_is_pxa27x()) reset_gpio = 113; diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c index 4bc244c40f80..1f72672262d0 100644 --- a/sound/arm/pxa2xx-ac97.c +++ b/sound/arm/pxa2xx-ac97.c @@ -15,7 +15,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/dmaengine.h> -#include <linux/dma/pxa-dma.h> +#include <linux/dma-mapping.h> #include <sound/core.h> #include <sound/pcm.h> @@ -27,8 +27,6 @@ #include <mach/regs-ac97.h> #include <mach/audio.h> -#include "pxa2xx-pcm.h" - static void pxa2xx_ac97_legacy_reset(struct snd_ac97 *ac97) { if (!pxa2xx_ac97_try_cold_reset()) @@ -63,61 +61,46 @@ static struct snd_ac97_bus_ops pxa2xx_ac97_ops = { .reset = pxa2xx_ac97_legacy_reset, }; -static struct pxad_param pxa2xx_ac97_pcm_out_req = { - .prio = PXAD_PRIO_LOWEST, - .drcmr = 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 pxad_param pxa2xx_ac97_pcm_in_req = { - .prio = PXAD_PRIO_LOWEST, - .drcmr = 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; static struct snd_ac97 *pxa2xx_ac97_ac97; -static int pxa2xx_ac97_pcm_startup(struct snd_pcm_substream *substream) +static int pxa2xx_ac97_pcm_open(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; pxa2xx_audio_ops_t *platform_ops; - int r; + int ret, i; + + ret = pxa2xx_pcm_open(substream); + if (ret) + return ret; runtime->hw.channels_min = 2; runtime->hw.channels_max = 2; - r = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? - AC97_RATES_FRONT_DAC : AC97_RATES_ADC; - runtime->hw.rates = pxa2xx_ac97_ac97->rates[r]; + i = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? + AC97_RATES_FRONT_DAC : AC97_RATES_ADC; + runtime->hw.rates = pxa2xx_ac97_ac97->rates[i]; snd_pcm_limit_hw_rates(runtime); - platform_ops = substream->pcm->card->dev->platform_data; - if (platform_ops && platform_ops->startup) - return platform_ops->startup(substream, platform_ops->priv); - else - return 0; + platform_ops = substream->pcm->card->dev->platform_data; + if (platform_ops && platform_ops->startup) { + ret = platform_ops->startup(substream, platform_ops->priv); + if (ret < 0) + pxa2xx_pcm_close(substream); + } + + return ret; } -static void pxa2xx_ac97_pcm_shutdown(struct snd_pcm_substream *substream) +static int pxa2xx_ac97_pcm_close(struct snd_pcm_substream *substream) { pxa2xx_audio_ops_t *platform_ops; - platform_ops = substream->pcm->card->dev->platform_data; + platform_ops = substream->pcm->card->dev->platform_data; if (platform_ops && platform_ops->shutdown) platform_ops->shutdown(substream, platform_ops->priv); + + return 0; } static int pxa2xx_ac97_pcm_prepare(struct snd_pcm_substream *substream) @@ -125,17 +108,15 @@ static int pxa2xx_ac97_pcm_prepare(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE; + int ret; + + ret = pxa2xx_pcm_prepare(substream); + if (ret < 0) + return ret; + return snd_ac97_set_rate(pxa2xx_ac97_ac97, reg, runtime->rate); } -static struct pxa2xx_pcm_client pxa2xx_ac97_pcm_client = { - .playback_params = &pxa2xx_ac97_pcm_out, - .capture_params = &pxa2xx_ac97_pcm_in, - .startup = pxa2xx_ac97_pcm_startup, - .shutdown = pxa2xx_ac97_pcm_shutdown, - .prepare = pxa2xx_ac97_pcm_prepare, -}; - #ifdef CONFIG_PM_SLEEP static int pxa2xx_ac97_do_suspend(struct snd_card *card) @@ -193,6 +174,53 @@ static int pxa2xx_ac97_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops, pxa2xx_ac97_suspend, pxa2xx_ac97_resume); #endif +static const struct snd_pcm_ops pxa2xx_ac97_pcm_ops = { + .open = pxa2xx_ac97_pcm_open, + .close = pxa2xx_ac97_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = pxa2xx_pcm_hw_params, + .hw_free = pxa2xx_pcm_hw_free, + .prepare = pxa2xx_ac97_pcm_prepare, + .trigger = pxa2xx_pcm_trigger, + .pointer = pxa2xx_pcm_pointer, + .mmap = pxa2xx_pcm_mmap, +}; + + +static int pxa2xx_ac97_pcm_new(struct snd_card *card) +{ + struct snd_pcm *pcm; + int stream, ret; + + ret = snd_pcm_new(card, "PXA2xx-PCM", 0, 1, 1, &pcm); + if (ret) + goto out; + + pcm->private_free = pxa2xx_pcm_free_dma_buffers; + + ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); + if (ret) + goto out; + + stream = SNDRV_PCM_STREAM_PLAYBACK; + snd_pcm_set_ops(pcm, stream, &pxa2xx_ac97_pcm_ops); + ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream); + if (ret) + goto out; + + stream = SNDRV_PCM_STREAM_CAPTURE; + snd_pcm_set_ops(pcm, stream, &pxa2xx_ac97_pcm_ops); + ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream); + if (ret) + goto out; + + pxa2xx_ac97_pcm = pcm; + ret = 0; + + out: + return ret; +} + static int pxa2xx_ac97_probe(struct platform_device *dev) { struct snd_card *card; @@ -214,7 +242,7 @@ static int pxa2xx_ac97_probe(struct platform_device *dev) strlcpy(card->driver, dev->dev.driver->name, sizeof(card->driver)); - ret = pxa2xx_pcm_new(card, &pxa2xx_ac97_pcm_client, &pxa2xx_ac97_pcm); + ret = pxa2xx_ac97_pcm_new(card); if (ret) goto err; diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c index e8da3b8ee721..7931789d4a9f 100644 --- a/sound/arm/pxa2xx-pcm-lib.c +++ b/sound/arm/pxa2xx-pcm-lib.c @@ -16,8 +16,6 @@ #include <sound/pxa2xx-lib.h> #include <sound/dmaengine_pcm.h> -#include "pxa2xx-pcm.h" - static const struct snd_pcm_hardware pxa2xx_pcm_hardware = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | @@ -25,8 +23,8 @@ static const struct snd_pcm_hardware pxa2xx_pcm_hardware = { SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME, .formats = SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_S24_LE | - SNDRV_PCM_FMTBIT_S32_LE, + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE, .period_bytes_min = 32, .period_bytes_max = 8192 - 32, .periods_min = 1, @@ -35,8 +33,8 @@ static const struct snd_pcm_hardware pxa2xx_pcm_hardware = { .fifo_size = 32, }; -int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) +int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) { struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream); struct snd_soc_pcm_runtime *rtd = substream->private_data; @@ -64,14 +62,14 @@ int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, return 0; } -EXPORT_SYMBOL(__pxa2xx_pcm_hw_params); +EXPORT_SYMBOL(pxa2xx_pcm_hw_params); -int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream) +int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream) { snd_pcm_set_runtime_buffer(substream, NULL); return 0; } -EXPORT_SYMBOL(__pxa2xx_pcm_hw_free); +EXPORT_SYMBOL(pxa2xx_pcm_hw_free); int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) { @@ -86,13 +84,13 @@ pxa2xx_pcm_pointer(struct snd_pcm_substream *substream) } EXPORT_SYMBOL(pxa2xx_pcm_pointer); -int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream) +int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream) { return 0; } -EXPORT_SYMBOL(__pxa2xx_pcm_prepare); +EXPORT_SYMBOL(pxa2xx_pcm_prepare); -int __pxa2xx_pcm_open(struct snd_pcm_substream *substream) +int pxa2xx_pcm_open(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_pcm_runtime *runtime = substream->runtime; @@ -125,17 +123,17 @@ int __pxa2xx_pcm_open(struct snd_pcm_substream *substream) if (ret < 0) return ret; - return snd_dmaengine_pcm_open_request_chan(substream, - pxad_filter_fn, - dma_params->filter_data); + return snd_dmaengine_pcm_open( + substream, dma_request_slave_channel(rtd->cpu_dai->dev, + dma_params->chan_name)); } -EXPORT_SYMBOL(__pxa2xx_pcm_open); +EXPORT_SYMBOL(pxa2xx_pcm_open); -int __pxa2xx_pcm_close(struct snd_pcm_substream *substream) +int pxa2xx_pcm_close(struct snd_pcm_substream *substream) { return snd_dmaengine_pcm_close_release_chan(substream); } -EXPORT_SYMBOL(__pxa2xx_pcm_close); +EXPORT_SYMBOL(pxa2xx_pcm_close); int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma) @@ -181,6 +179,47 @@ void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm) } EXPORT_SYMBOL(pxa2xx_pcm_free_dma_buffers); +int pxa2xx_soc_pcm_new(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_card *card = rtd->card->snd_card; + struct snd_pcm *pcm = rtd->pcm; + int ret; + + ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + + if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { + ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, + SNDRV_PCM_STREAM_PLAYBACK); + if (ret) + goto out; + } + + if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { + ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, + SNDRV_PCM_STREAM_CAPTURE); + if (ret) + goto out; + } + out: + return ret; +} +EXPORT_SYMBOL(pxa2xx_soc_pcm_new); + +const struct snd_pcm_ops pxa2xx_pcm_ops = { + .open = pxa2xx_pcm_open, + .close = pxa2xx_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = pxa2xx_pcm_hw_params, + .hw_free = pxa2xx_pcm_hw_free, + .prepare = pxa2xx_pcm_prepare, + .trigger = pxa2xx_pcm_trigger, + .pointer = pxa2xx_pcm_pointer, + .mmap = pxa2xx_pcm_mmap, +}; +EXPORT_SYMBOL(pxa2xx_pcm_ops); + MODULE_AUTHOR("Nicolas Pitre"); MODULE_DESCRIPTION("Intel PXA2xx sound library"); MODULE_LICENSE("GPL"); diff --git a/sound/arm/pxa2xx-pcm.c b/sound/arm/pxa2xx-pcm.c deleted file mode 100644 index 1c6f4b436de3..000000000000 --- a/sound/arm/pxa2xx-pcm.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip - * - * Author: Nicolas Pitre - * Created: Nov 30, 2004 - * Copyright: (C) 2004 MontaVista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/dma-mapping.h> -#include <linux/dmaengine.h> - -#include <mach/dma.h> - -#include <sound/core.h> -#include <sound/pxa2xx-lib.h> -#include <sound/dmaengine_pcm.h> - -#include "pxa2xx-pcm.h" - -static int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream) -{ - struct pxa2xx_pcm_client *client = substream->private_data; - - __pxa2xx_pcm_prepare(substream); - - return client->prepare(substream); -} - -static int pxa2xx_pcm_open(struct snd_pcm_substream *substream) -{ - struct pxa2xx_pcm_client *client = substream->private_data; - struct snd_pcm_runtime *runtime = substream->runtime; - struct pxa2xx_runtime_data *rtd; - int ret; - - ret = __pxa2xx_pcm_open(substream); - if (ret) - goto out; - - rtd = runtime->private_data; - - rtd->params = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? - client->playback_params : client->capture_params; - - ret = client->startup(substream); - if (!ret) - goto err2; - - return 0; - - err2: - __pxa2xx_pcm_close(substream); - out: - return ret; -} - -static int pxa2xx_pcm_close(struct snd_pcm_substream *substream) -{ - struct pxa2xx_pcm_client *client = substream->private_data; - - client->shutdown(substream); - - return __pxa2xx_pcm_close(substream); -} - -static const struct snd_pcm_ops pxa2xx_pcm_ops = { - .open = pxa2xx_pcm_open, - .close = pxa2xx_pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = __pxa2xx_pcm_hw_params, - .hw_free = __pxa2xx_pcm_hw_free, - .prepare = pxa2xx_pcm_prepare, - .trigger = pxa2xx_pcm_trigger, - .pointer = pxa2xx_pcm_pointer, - .mmap = pxa2xx_pcm_mmap, -}; - -int pxa2xx_pcm_new(struct snd_card *card, struct pxa2xx_pcm_client *client, - struct snd_pcm **rpcm) -{ - struct snd_pcm *pcm; - int play = client->playback_params ? 1 : 0; - int capt = client->capture_params ? 1 : 0; - int ret; - - ret = snd_pcm_new(card, "PXA2xx-PCM", 0, play, capt, &pcm); - if (ret) - goto out; - - 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 (play) { - int stream = SNDRV_PCM_STREAM_PLAYBACK; - snd_pcm_set_ops(pcm, stream, &pxa2xx_pcm_ops); - ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream); - if (ret) - goto out; - } - if (capt) { - int stream = SNDRV_PCM_STREAM_CAPTURE; - snd_pcm_set_ops(pcm, stream, &pxa2xx_pcm_ops); - ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream); - if (ret) - goto out; - } - - if (rpcm) - *rpcm = pcm; - ret = 0; - - out: - return ret; -} - -EXPORT_SYMBOL(pxa2xx_pcm_new); - -MODULE_AUTHOR("Nicolas Pitre"); -MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module"); -MODULE_LICENSE("GPL"); diff --git a/sound/arm/pxa2xx-pcm.h b/sound/arm/pxa2xx-pcm.h deleted file mode 100644 index 8fa2b7c9e6b8..000000000000 --- a/sound/arm/pxa2xx-pcm.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip - * - * Author: Nicolas Pitre - * Created: Nov 30, 2004 - * Copyright: MontaVista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -struct pxa2xx_runtime_data { - int dma_ch; - struct snd_dmaengine_dai_dma_data *params; -}; - -struct pxa2xx_pcm_client { - 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 *); -}; - -extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **); - |