diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/atmel')
-rw-r--r-- | ANDROID_3.4.5/sound/soc/atmel/Kconfig | 33 | ||||
-rw-r--r-- | ANDROID_3.4.5/sound/soc/atmel/Makefile | 12 | ||||
-rw-r--r-- | ANDROID_3.4.5/sound/soc/atmel/atmel-pcm.c | 501 | ||||
-rw-r--r-- | ANDROID_3.4.5/sound/soc/atmel/atmel-pcm.h | 83 | ||||
-rw-r--r-- | ANDROID_3.4.5/sound/soc/atmel/atmel_ssc_dai.c | 867 | ||||
-rw-r--r-- | ANDROID_3.4.5/sound/soc/atmel/atmel_ssc_dai.h | 122 | ||||
-rw-r--r-- | ANDROID_3.4.5/sound/soc/atmel/sam9g20_wm8731.c | 280 | ||||
-rw-r--r-- | ANDROID_3.4.5/sound/soc/atmel/snd-soc-afeb9260.c | 163 |
8 files changed, 0 insertions, 2061 deletions
diff --git a/ANDROID_3.4.5/sound/soc/atmel/Kconfig b/ANDROID_3.4.5/sound/soc/atmel/Kconfig deleted file mode 100644 index 72b09cfd..00000000 --- a/ANDROID_3.4.5/sound/soc/atmel/Kconfig +++ /dev/null @@ -1,33 +0,0 @@ -config SND_ATMEL_SOC - tristate "SoC Audio for the Atmel System-on-Chip" - depends on ARCH_AT91 - help - Say Y or M if you want to add support for codecs attached to - the ATMEL SSC interface. You will also need - to select the audio interfaces to support below. - -config SND_ATMEL_SOC_SSC - tristate - depends on SND_ATMEL_SOC - help - Say Y or M if you want to add support for codecs the - ATMEL SSC interface. You will also needs to select the individual - machine drivers to support below. - -config SND_AT91_SOC_SAM9G20_WM8731 - tristate "SoC Audio support for WM8731-based At91sam9g20 evaluation board" - depends on ATMEL_SSC && ARCH_AT91SAM9G20 && SND_ATMEL_SOC && \ - AT91_PROGRAMMABLE_CLOCKS - select SND_ATMEL_SOC_SSC - select SND_SOC_WM8731 - help - Say Y if you want to add support for SoC audio on WM8731-based - AT91sam9g20 evaluation board. - -config SND_AT91_SOC_AFEB9260 - tristate "SoC Audio support for AFEB9260 board" - depends on ATMEL_SSC && ARCH_AT91 && MACH_AFEB9260 && SND_ATMEL_SOC - select SND_ATMEL_SOC_SSC - select SND_SOC_TLV320AIC23 - help - Say Y here to support sound on AFEB9260 board. diff --git a/ANDROID_3.4.5/sound/soc/atmel/Makefile b/ANDROID_3.4.5/sound/soc/atmel/Makefile deleted file mode 100644 index a5c0bf19..00000000 --- a/ANDROID_3.4.5/sound/soc/atmel/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -# AT91 Platform Support -snd-soc-atmel-pcm-objs := atmel-pcm.o -snd-soc-atmel_ssc_dai-objs := atmel_ssc_dai.o - -obj-$(CONFIG_SND_ATMEL_SOC) += snd-soc-atmel-pcm.o -obj-$(CONFIG_SND_ATMEL_SOC_SSC) += snd-soc-atmel_ssc_dai.o - -# AT91 Machine Support -snd-soc-sam9g20-wm8731-objs := sam9g20_wm8731.o - -obj-$(CONFIG_SND_AT91_SOC_SAM9G20_WM8731) += snd-soc-sam9g20-wm8731.o -obj-$(CONFIG_SND_AT91_SOC_AFEB9260) += snd-soc-afeb9260.o diff --git a/ANDROID_3.4.5/sound/soc/atmel/atmel-pcm.c b/ANDROID_3.4.5/sound/soc/atmel/atmel-pcm.c deleted file mode 100644 index 9b84f985..00000000 --- a/ANDROID_3.4.5/sound/soc/atmel/atmel-pcm.c +++ /dev/null @@ -1,501 +0,0 @@ -/* - * atmel-pcm.c -- ALSA PCM interface for the Atmel atmel SoC. - * - * Copyright (C) 2005 SAN People - * Copyright (C) 2008 Atmel - * - * Authors: Sedji Gaouaou <sedji.gaouaou@atmel.com> - * - * Based on at91-pcm. by: - * Frank Mandarino <fmandarino@endrelia.com> - * Copyright 2006 Endrelia Technologies Inc. - * - * Based on pxa2xx-pcm.c by: - * - * 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 as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/dma-mapping.h> -#include <linux/atmel_pdc.h> -#include <linux/atmel-ssc.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> - -#include "atmel-pcm.h" - - -/*--------------------------------------------------------------------------*\ - * Hardware definition -\*--------------------------------------------------------------------------*/ -/* TODO: These values were taken from the AT91 platform driver, check - * them against real values for AT32 - */ -static const struct snd_pcm_hardware atmel_pcm_hardware = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_PAUSE, - .formats = SNDRV_PCM_FMTBIT_S16_LE, - .period_bytes_min = 32, - .period_bytes_max = 8192, - .periods_min = 2, - .periods_max = 1024, - .buffer_bytes_max = 32 * 1024, -}; - - -/*--------------------------------------------------------------------------*\ - * Data types -\*--------------------------------------------------------------------------*/ -struct atmel_runtime_data { - struct atmel_pcm_dma_params *params; - dma_addr_t dma_buffer; /* physical address of dma buffer */ - dma_addr_t dma_buffer_end; /* first address beyond DMA buffer */ - size_t period_size; - - dma_addr_t period_ptr; /* physical address of next period */ - - /* PDC register save */ - u32 pdc_xpr_save; - u32 pdc_xcr_save; - u32 pdc_xnpr_save; - u32 pdc_xncr_save; -}; - - -/*--------------------------------------------------------------------------*\ - * Helper functions -\*--------------------------------------------------------------------------*/ -static int atmel_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, - int stream) -{ - struct snd_pcm_substream *substream = pcm->streams[stream].substream; - struct snd_dma_buffer *buf = &substream->dma_buffer; - size_t size = atmel_pcm_hardware.buffer_bytes_max; - - buf->dev.type = SNDRV_DMA_TYPE_DEV; - buf->dev.dev = pcm->card->dev; - buf->private_data = NULL; - buf->area = dma_alloc_coherent(pcm->card->dev, size, - &buf->addr, GFP_KERNEL); - pr_debug("atmel-pcm:" - "preallocate_dma_buffer: area=%p, addr=%p, size=%d\n", - (void *) buf->area, - (void *) buf->addr, - size); - - if (!buf->area) - return -ENOMEM; - - buf->bytes = size; - return 0; -} -/*--------------------------------------------------------------------------*\ - * ISR -\*--------------------------------------------------------------------------*/ -static void atmel_pcm_dma_irq(u32 ssc_sr, - struct snd_pcm_substream *substream) -{ - struct atmel_runtime_data *prtd = substream->runtime->private_data; - struct atmel_pcm_dma_params *params = prtd->params; - static int count; - - count++; - - if (ssc_sr & params->mask->ssc_endbuf) { - pr_warning("atmel-pcm: buffer %s on %s" - " (SSC_SR=%#x, count=%d)\n", - substream->stream == SNDRV_PCM_STREAM_PLAYBACK - ? "underrun" : "overrun", - params->name, ssc_sr, count); - - /* re-start the PDC */ - ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR, - params->mask->pdc_disable); - prtd->period_ptr += prtd->period_size; - if (prtd->period_ptr >= prtd->dma_buffer_end) - prtd->period_ptr = prtd->dma_buffer; - - ssc_writex(params->ssc->regs, params->pdc->xpr, - prtd->period_ptr); - ssc_writex(params->ssc->regs, params->pdc->xcr, - prtd->period_size / params->pdc_xfer_size); - ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR, - params->mask->pdc_enable); - } - - if (ssc_sr & params->mask->ssc_endx) { - /* Load the PDC next pointer and counter registers */ - prtd->period_ptr += prtd->period_size; - if (prtd->period_ptr >= prtd->dma_buffer_end) - prtd->period_ptr = prtd->dma_buffer; - - ssc_writex(params->ssc->regs, params->pdc->xnpr, - prtd->period_ptr); - ssc_writex(params->ssc->regs, params->pdc->xncr, - prtd->period_size / params->pdc_xfer_size); - } - - snd_pcm_period_elapsed(substream); -} - - -/*--------------------------------------------------------------------------*\ - * PCM operations -\*--------------------------------------------------------------------------*/ -static int atmel_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct atmel_runtime_data *prtd = runtime->private_data; - struct snd_soc_pcm_runtime *rtd = substream->private_data; - - /* this may get called several times by oss emulation - * with different params */ - - snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); - runtime->dma_bytes = params_buffer_bytes(params); - - prtd->params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - prtd->params->dma_intr_handler = atmel_pcm_dma_irq; - - prtd->dma_buffer = runtime->dma_addr; - prtd->dma_buffer_end = runtime->dma_addr + runtime->dma_bytes; - prtd->period_size = params_period_bytes(params); - - pr_debug("atmel-pcm: " - "hw_params: DMA for %s initialized " - "(dma_bytes=%u, period_size=%u)\n", - prtd->params->name, - runtime->dma_bytes, - prtd->period_size); - return 0; -} - -static int atmel_pcm_hw_free(struct snd_pcm_substream *substream) -{ - struct atmel_runtime_data *prtd = substream->runtime->private_data; - struct atmel_pcm_dma_params *params = prtd->params; - - if (params != NULL) { - ssc_writex(params->ssc->regs, SSC_PDC_PTCR, - params->mask->pdc_disable); - prtd->params->dma_intr_handler = NULL; - } - - return 0; -} - -static int atmel_pcm_prepare(struct snd_pcm_substream *substream) -{ - struct atmel_runtime_data *prtd = substream->runtime->private_data; - struct atmel_pcm_dma_params *params = prtd->params; - - ssc_writex(params->ssc->regs, SSC_IDR, - params->mask->ssc_endx | params->mask->ssc_endbuf); - ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR, - params->mask->pdc_disable); - return 0; -} - -static int atmel_pcm_trigger(struct snd_pcm_substream *substream, - int cmd) -{ - struct snd_pcm_runtime *rtd = substream->runtime; - struct atmel_runtime_data *prtd = rtd->private_data; - struct atmel_pcm_dma_params *params = prtd->params; - int ret = 0; - - pr_debug("atmel-pcm:buffer_size = %ld," - "dma_area = %p, dma_bytes = %u\n", - rtd->buffer_size, rtd->dma_area, rtd->dma_bytes); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - prtd->period_ptr = prtd->dma_buffer; - - ssc_writex(params->ssc->regs, params->pdc->xpr, - prtd->period_ptr); - ssc_writex(params->ssc->regs, params->pdc->xcr, - prtd->period_size / params->pdc_xfer_size); - - prtd->period_ptr += prtd->period_size; - ssc_writex(params->ssc->regs, params->pdc->xnpr, - prtd->period_ptr); - ssc_writex(params->ssc->regs, params->pdc->xncr, - prtd->period_size / params->pdc_xfer_size); - - pr_debug("atmel-pcm: trigger: " - "period_ptr=%lx, xpr=%u, " - "xcr=%u, xnpr=%u, xncr=%u\n", - (unsigned long)prtd->period_ptr, - ssc_readx(params->ssc->regs, params->pdc->xpr), - ssc_readx(params->ssc->regs, params->pdc->xcr), - ssc_readx(params->ssc->regs, params->pdc->xnpr), - ssc_readx(params->ssc->regs, params->pdc->xncr)); - - ssc_writex(params->ssc->regs, SSC_IER, - params->mask->ssc_endx | params->mask->ssc_endbuf); - ssc_writex(params->ssc->regs, SSC_PDC_PTCR, - params->mask->pdc_enable); - - pr_debug("sr=%u imr=%u\n", - ssc_readx(params->ssc->regs, SSC_SR), - ssc_readx(params->ssc->regs, SSC_IER)); - break; /* SNDRV_PCM_TRIGGER_START */ - - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR, - params->mask->pdc_disable); - break; - - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR, - params->mask->pdc_enable); - break; - - default: - ret = -EINVAL; - } - - return ret; -} - -static snd_pcm_uframes_t atmel_pcm_pointer( - struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct atmel_runtime_data *prtd = runtime->private_data; - struct atmel_pcm_dma_params *params = prtd->params; - dma_addr_t ptr; - snd_pcm_uframes_t x; - - ptr = (dma_addr_t) ssc_readx(params->ssc->regs, params->pdc->xpr); - x = bytes_to_frames(runtime, ptr - prtd->dma_buffer); - - if (x == runtime->buffer_size) - x = 0; - - return x; -} - -static int atmel_pcm_open(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct atmel_runtime_data *prtd; - int ret = 0; - - snd_soc_set_runtime_hwparams(substream, &atmel_pcm_hardware); - - /* ensure that buffer size is a multiple of period size */ - ret = snd_pcm_hw_constraint_integer(runtime, - SNDRV_PCM_HW_PARAM_PERIODS); - if (ret < 0) - goto out; - - prtd = kzalloc(sizeof(struct atmel_runtime_data), GFP_KERNEL); - if (prtd == NULL) { - ret = -ENOMEM; - goto out; - } - runtime->private_data = prtd; - - out: - return ret; -} - -static int atmel_pcm_close(struct snd_pcm_substream *substream) -{ - struct atmel_runtime_data *prtd = substream->runtime->private_data; - - kfree(prtd); - return 0; -} - -static int atmel_pcm_mmap(struct snd_pcm_substream *substream, - struct vm_area_struct *vma) -{ - return remap_pfn_range(vma, vma->vm_start, - substream->dma_buffer.addr >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, vma->vm_page_prot); -} - -static struct snd_pcm_ops atmel_pcm_ops = { - .open = atmel_pcm_open, - .close = atmel_pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = atmel_pcm_hw_params, - .hw_free = atmel_pcm_hw_free, - .prepare = atmel_pcm_prepare, - .trigger = atmel_pcm_trigger, - .pointer = atmel_pcm_pointer, - .mmap = atmel_pcm_mmap, -}; - - -/*--------------------------------------------------------------------------*\ - * ASoC platform driver -\*--------------------------------------------------------------------------*/ -static u64 atmel_pcm_dmamask = DMA_BIT_MASK(32); - -static int atmel_pcm_new(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_card *card = rtd->card->snd_card; - struct snd_pcm *pcm = rtd->pcm; - int ret = 0; - - if (!card->dev->dma_mask) - card->dev->dma_mask = &atmel_pcm_dmamask; - if (!card->dev->coherent_dma_mask) - card->dev->coherent_dma_mask = DMA_BIT_MASK(32); - - if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { - ret = atmel_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_PLAYBACK); - if (ret) - goto out; - } - - if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { - pr_debug("atmel-pcm:" - "Allocating PCM capture DMA buffer\n"); - ret = atmel_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_CAPTURE); - if (ret) - goto out; - } - out: - return ret; -} - -static void atmel_pcm_free_dma_buffers(struct snd_pcm *pcm) -{ - struct snd_pcm_substream *substream; - struct snd_dma_buffer *buf; - int stream; - - for (stream = 0; stream < 2; stream++) { - substream = pcm->streams[stream].substream; - if (!substream) - continue; - - buf = &substream->dma_buffer; - if (!buf->area) - continue; - dma_free_coherent(pcm->card->dev, buf->bytes, - buf->area, buf->addr); - buf->area = NULL; - } -} - -#ifdef CONFIG_PM -static int atmel_pcm_suspend(struct snd_soc_dai *dai) -{ - struct snd_pcm_runtime *runtime = dai->runtime; - struct atmel_runtime_data *prtd; - struct atmel_pcm_dma_params *params; - - if (!runtime) - return 0; - - prtd = runtime->private_data; - params = prtd->params; - - /* disable the PDC and save the PDC registers */ - - ssc_writel(params->ssc->regs, PDC_PTCR, params->mask->pdc_disable); - - prtd->pdc_xpr_save = ssc_readx(params->ssc->regs, params->pdc->xpr); - prtd->pdc_xcr_save = ssc_readx(params->ssc->regs, params->pdc->xcr); - prtd->pdc_xnpr_save = ssc_readx(params->ssc->regs, params->pdc->xnpr); - prtd->pdc_xncr_save = ssc_readx(params->ssc->regs, params->pdc->xncr); - - return 0; -} - -static int atmel_pcm_resume(struct snd_soc_dai *dai) -{ - struct snd_pcm_runtime *runtime = dai->runtime; - struct atmel_runtime_data *prtd; - struct atmel_pcm_dma_params *params; - - if (!runtime) - return 0; - - prtd = runtime->private_data; - params = prtd->params; - - /* restore the PDC registers and enable the PDC */ - ssc_writex(params->ssc->regs, params->pdc->xpr, prtd->pdc_xpr_save); - ssc_writex(params->ssc->regs, params->pdc->xcr, prtd->pdc_xcr_save); - ssc_writex(params->ssc->regs, params->pdc->xnpr, prtd->pdc_xnpr_save); - ssc_writex(params->ssc->regs, params->pdc->xncr, prtd->pdc_xncr_save); - - ssc_writel(params->ssc->regs, PDC_PTCR, params->mask->pdc_enable); - return 0; -} -#else -#define atmel_pcm_suspend NULL -#define atmel_pcm_resume NULL -#endif - -static struct snd_soc_platform_driver atmel_soc_platform = { - .ops = &atmel_pcm_ops, - .pcm_new = atmel_pcm_new, - .pcm_free = atmel_pcm_free_dma_buffers, - .suspend = atmel_pcm_suspend, - .resume = atmel_pcm_resume, -}; - -static int __devinit atmel_soc_platform_probe(struct platform_device *pdev) -{ - return snd_soc_register_platform(&pdev->dev, &atmel_soc_platform); -} - -static int __devexit atmel_soc_platform_remove(struct platform_device *pdev) -{ - snd_soc_unregister_platform(&pdev->dev); - return 0; -} - -static struct platform_driver atmel_pcm_driver = { - .driver = { - .name = "atmel-pcm-audio", - .owner = THIS_MODULE, - }, - - .probe = atmel_soc_platform_probe, - .remove = __devexit_p(atmel_soc_platform_remove), -}; - -module_platform_driver(atmel_pcm_driver); - -MODULE_AUTHOR("Sedji Gaouaou <sedji.gaouaou@atmel.com>"); -MODULE_DESCRIPTION("Atmel PCM module"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/sound/soc/atmel/atmel-pcm.h b/ANDROID_3.4.5/sound/soc/atmel/atmel-pcm.h deleted file mode 100644 index 5e0a95e6..00000000 --- a/ANDROID_3.4.5/sound/soc/atmel/atmel-pcm.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - * at91-pcm.h - ALSA PCM interface for the Atmel AT91 SoC. - * - * Copyright (C) 2005 SAN People - * Copyright (C) 2008 Atmel - * - * Authors: Sedji Gaouaou <sedji.gaouaou@atmel.com> - * - * Based on at91-pcm. by: - * Frank Mandarino <fmandarino@endrelia.com> - * Copyright 2006 Endrelia Technologies Inc. - * - * Based on pxa2xx-pcm.c by: - * - * 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 as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef _ATMEL_PCM_H -#define _ATMEL_PCM_H - -#include <linux/atmel-ssc.h> - -/* - * Registers and status bits that are required by the PCM driver. - */ -struct atmel_pdc_regs { - unsigned int xpr; /* PDC recv/trans pointer */ - unsigned int xcr; /* PDC recv/trans counter */ - unsigned int xnpr; /* PDC next recv/trans pointer */ - unsigned int xncr; /* PDC next recv/trans counter */ - unsigned int ptcr; /* PDC transfer control */ -}; - -struct atmel_ssc_mask { - u32 ssc_enable; /* SSC recv/trans enable */ - u32 ssc_disable; /* SSC recv/trans disable */ - u32 ssc_endx; /* SSC ENDTX or ENDRX */ - u32 ssc_endbuf; /* SSC TXBUFE or RXBUFF */ - u32 pdc_enable; /* PDC recv/trans enable */ - u32 pdc_disable; /* PDC recv/trans disable */ -}; - -/* - * This structure, shared between the PCM driver and the interface, - * contains all information required by the PCM driver to perform the - * PDC DMA operation. All fields except dma_intr_handler() are initialized - * by the interface. The dma_intr_handler() pointer is set by the PCM - * driver and called by the interface SSC interrupt handler if it is - * non-NULL. - */ -struct atmel_pcm_dma_params { - char *name; /* stream identifier */ - int pdc_xfer_size; /* PDC counter increment in bytes */ - struct ssc_device *ssc; /* SSC device for stream */ - struct atmel_pdc_regs *pdc; /* PDC receive or transmit registers */ - struct atmel_ssc_mask *mask; /* SSC & PDC status bits */ - struct snd_pcm_substream *substream; - void (*dma_intr_handler)(u32, struct snd_pcm_substream *); -}; - -/* - * SSC register access (since ssc_writel() / ssc_readl() require literal name) - */ -#define ssc_readx(base, reg) (__raw_readl((base) + (reg))) -#define ssc_writex(base, reg, value) __raw_writel((value), (base) + (reg)) - -#endif /* _ATMEL_PCM_H */ diff --git a/ANDROID_3.4.5/sound/soc/atmel/atmel_ssc_dai.c b/ANDROID_3.4.5/sound/soc/atmel/atmel_ssc_dai.c deleted file mode 100644 index 354341ec..00000000 --- a/ANDROID_3.4.5/sound/soc/atmel/atmel_ssc_dai.c +++ /dev/null @@ -1,867 +0,0 @@ -/* - * atmel_ssc_dai.c -- ALSA SoC ATMEL SSC Audio Layer Platform driver - * - * Copyright (C) 2005 SAN People - * Copyright (C) 2008 Atmel - * - * Author: Sedji Gaouaou <sedji.gaouaou@atmel.com> - * ATMEL CORP. - * - * Based on at91-ssc.c by - * Frank Mandarino <fmandarino@endrelia.com> - * Based on pxa2xx Platform drivers by - * Liam Girdwood <lrg@slimlogic.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/device.h> -#include <linux/delay.h> -#include <linux/clk.h> -#include <linux/atmel_pdc.h> - -#include <linux/atmel-ssc.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/initval.h> -#include <sound/soc.h> - -#include <mach/hardware.h> - -#include "atmel-pcm.h" -#include "atmel_ssc_dai.h" - - -#if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20) -#define NUM_SSC_DEVICES 1 -#else -#define NUM_SSC_DEVICES 3 -#endif - -/* - * SSC PDC registers required by the PCM DMA engine. - */ -static struct atmel_pdc_regs pdc_tx_reg = { - .xpr = ATMEL_PDC_TPR, - .xcr = ATMEL_PDC_TCR, - .xnpr = ATMEL_PDC_TNPR, - .xncr = ATMEL_PDC_TNCR, -}; - -static struct atmel_pdc_regs pdc_rx_reg = { - .xpr = ATMEL_PDC_RPR, - .xcr = ATMEL_PDC_RCR, - .xnpr = ATMEL_PDC_RNPR, - .xncr = ATMEL_PDC_RNCR, -}; - -/* - * SSC & PDC status bits for transmit and receive. - */ -static struct atmel_ssc_mask ssc_tx_mask = { - .ssc_enable = SSC_BIT(CR_TXEN), - .ssc_disable = SSC_BIT(CR_TXDIS), - .ssc_endx = SSC_BIT(SR_ENDTX), - .ssc_endbuf = SSC_BIT(SR_TXBUFE), - .pdc_enable = ATMEL_PDC_TXTEN, - .pdc_disable = ATMEL_PDC_TXTDIS, -}; - -static struct atmel_ssc_mask ssc_rx_mask = { - .ssc_enable = SSC_BIT(CR_RXEN), - .ssc_disable = SSC_BIT(CR_RXDIS), - .ssc_endx = SSC_BIT(SR_ENDRX), - .ssc_endbuf = SSC_BIT(SR_RXBUFF), - .pdc_enable = ATMEL_PDC_RXTEN, - .pdc_disable = ATMEL_PDC_RXTDIS, -}; - - -/* - * DMA parameters. - */ -static struct atmel_pcm_dma_params ssc_dma_params[NUM_SSC_DEVICES][2] = { - {{ - .name = "SSC0 PCM out", - .pdc = &pdc_tx_reg, - .mask = &ssc_tx_mask, - }, - { - .name = "SSC0 PCM in", - .pdc = &pdc_rx_reg, - .mask = &ssc_rx_mask, - } }, -#if NUM_SSC_DEVICES == 3 - {{ - .name = "SSC1 PCM out", - .pdc = &pdc_tx_reg, - .mask = &ssc_tx_mask, - }, - { - .name = "SSC1 PCM in", - .pdc = &pdc_rx_reg, - .mask = &ssc_rx_mask, - } }, - {{ - .name = "SSC2 PCM out", - .pdc = &pdc_tx_reg, - .mask = &ssc_tx_mask, - }, - { - .name = "SSC2 PCM in", - .pdc = &pdc_rx_reg, - .mask = &ssc_rx_mask, - } }, -#endif -}; - - -static struct atmel_ssc_info ssc_info[NUM_SSC_DEVICES] = { - { - .name = "ssc0", - .lock = __SPIN_LOCK_UNLOCKED(ssc_info[0].lock), - .dir_mask = SSC_DIR_MASK_UNUSED, - .initialized = 0, - }, -#if NUM_SSC_DEVICES == 3 - { - .name = "ssc1", - .lock = __SPIN_LOCK_UNLOCKED(ssc_info[1].lock), - .dir_mask = SSC_DIR_MASK_UNUSED, - .initialized = 0, - }, - { - .name = "ssc2", - .lock = __SPIN_LOCK_UNLOCKED(ssc_info[2].lock), - .dir_mask = SSC_DIR_MASK_UNUSED, - .initialized = 0, - }, -#endif -}; - - -/* - * SSC interrupt handler. Passes PDC interrupts to the DMA - * interrupt handler in the PCM driver. - */ -static irqreturn_t atmel_ssc_interrupt(int irq, void *dev_id) -{ - struct atmel_ssc_info *ssc_p = dev_id; - struct atmel_pcm_dma_params *dma_params; - u32 ssc_sr; - u32 ssc_substream_mask; - int i; - - ssc_sr = (unsigned long)ssc_readl(ssc_p->ssc->regs, SR) - & (unsigned long)ssc_readl(ssc_p->ssc->regs, IMR); - - /* - * Loop through the substreams attached to this SSC. If - * a DMA-related interrupt occurred on that substream, call - * the DMA interrupt handler function, if one has been - * registered in the dma_params structure by the PCM driver. - */ - for (i = 0; i < ARRAY_SIZE(ssc_p->dma_params); i++) { - dma_params = ssc_p->dma_params[i]; - - if ((dma_params != NULL) && - (dma_params->dma_intr_handler != NULL)) { - ssc_substream_mask = (dma_params->mask->ssc_endx | - dma_params->mask->ssc_endbuf); - if (ssc_sr & ssc_substream_mask) { - dma_params->dma_intr_handler(ssc_sr, - dma_params-> - substream); - } - } - } - - return IRQ_HANDLED; -} - - -/*-------------------------------------------------------------------------*\ - * DAI functions -\*-------------------------------------------------------------------------*/ -/* - * Startup. Only that one substream allowed in each direction. - */ -static int atmel_ssc_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct atmel_ssc_info *ssc_p = &ssc_info[dai->id]; - int dir_mask; - - pr_debug("atmel_ssc_startup: SSC_SR=0x%u\n", - ssc_readl(ssc_p->ssc->regs, SR)); - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - dir_mask = SSC_DIR_MASK_PLAYBACK; - else - dir_mask = SSC_DIR_MASK_CAPTURE; - - spin_lock_irq(&ssc_p->lock); - if (ssc_p->dir_mask & dir_mask) { - spin_unlock_irq(&ssc_p->lock); - return -EBUSY; - } - ssc_p->dir_mask |= dir_mask; - spin_unlock_irq(&ssc_p->lock); - - return 0; -} - -/* - * Shutdown. Clear DMA parameters and shutdown the SSC if there - * are no other substreams open. - */ -static void atmel_ssc_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct atmel_ssc_info *ssc_p = &ssc_info[dai->id]; - struct atmel_pcm_dma_params *dma_params; - int dir, dir_mask; - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - dir = 0; - else - dir = 1; - - dma_params = ssc_p->dma_params[dir]; - - if (dma_params != NULL) { - ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_disable); - pr_debug("atmel_ssc_shutdown: %s disabled SSC_SR=0x%08x\n", - (dir ? "receive" : "transmit"), - ssc_readl(ssc_p->ssc->regs, SR)); - - dma_params->ssc = NULL; - dma_params->substream = NULL; - ssc_p->dma_params[dir] = NULL; - } - - dir_mask = 1 << dir; - - spin_lock_irq(&ssc_p->lock); - ssc_p->dir_mask &= ~dir_mask; - if (!ssc_p->dir_mask) { - if (ssc_p->initialized) { - /* Shutdown the SSC clock. */ - pr_debug("atmel_ssc_dau: Stopping clock\n"); - clk_disable(ssc_p->ssc->clk); - - free_irq(ssc_p->ssc->irq, ssc_p); - ssc_p->initialized = 0; - } - - /* Reset the SSC */ - ssc_writel(ssc_p->ssc->regs, CR, SSC_BIT(CR_SWRST)); - /* Clear the SSC dividers */ - ssc_p->cmr_div = ssc_p->tcmr_period = ssc_p->rcmr_period = 0; - } - spin_unlock_irq(&ssc_p->lock); -} - - -/* - * Record the DAI format for use in hw_params(). - */ -static int atmel_ssc_set_dai_fmt(struct snd_soc_dai *cpu_dai, - unsigned int fmt) -{ - struct atmel_ssc_info *ssc_p = &ssc_info[cpu_dai->id]; - - ssc_p->daifmt = fmt; - return 0; -} - -/* - * Record SSC clock dividers for use in hw_params(). - */ -static int atmel_ssc_set_dai_clkdiv(struct snd_soc_dai *cpu_dai, - int div_id, int div) -{ - struct atmel_ssc_info *ssc_p = &ssc_info[cpu_dai->id]; - - switch (div_id) { - case ATMEL_SSC_CMR_DIV: - /* - * The same master clock divider is used for both - * transmit and receive, so if a value has already - * been set, it must match this value. - */ - if (ssc_p->cmr_div == 0) - ssc_p->cmr_div = div; - else - if (div != ssc_p->cmr_div) - return -EBUSY; - break; - - case ATMEL_SSC_TCMR_PERIOD: - ssc_p->tcmr_period = div; - break; - - case ATMEL_SSC_RCMR_PERIOD: - ssc_p->rcmr_period = div; - break; - - default: - return -EINVAL; - } - - return 0; -} - -/* - * Configure the SSC. - */ -static int atmel_ssc_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); - int id = dai->id; - struct atmel_ssc_info *ssc_p = &ssc_info[id]; - struct atmel_pcm_dma_params *dma_params; - int dir, channels, bits; - u32 tfmr, rfmr, tcmr, rcmr; - int start_event; - int ret; - - /* - * Currently, there is only one set of dma params for - * each direction. If more are added, this code will - * have to be changed to select the proper set. - */ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - dir = 0; - else - dir = 1; - - dma_params = &ssc_dma_params[id][dir]; - dma_params->ssc = ssc_p->ssc; - dma_params->substream = substream; - - ssc_p->dma_params[dir] = dma_params; - - /* - * The snd_soc_pcm_stream->dma_data field is only used to communicate - * the appropriate DMA parameters to the pcm driver hw_params() - * function. It should not be used for other purposes - * as it is common to all substreams. - */ - snd_soc_dai_set_dma_data(rtd->cpu_dai, substream, dma_params); - - channels = params_channels(params); - - /* - * Determine sample size in bits and the PDC increment. - */ - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_S8: - bits = 8; - dma_params->pdc_xfer_size = 1; - break; - case SNDRV_PCM_FORMAT_S16_LE: - bits = 16; - dma_params->pdc_xfer_size = 2; - break; - case SNDRV_PCM_FORMAT_S24_LE: - bits = 24; - dma_params->pdc_xfer_size = 4; - break; - case SNDRV_PCM_FORMAT_S32_LE: - bits = 32; - dma_params->pdc_xfer_size = 4; - break; - default: - printk(KERN_WARNING "atmel_ssc_dai: unsupported PCM format"); - return -EINVAL; - } - - /* - * The SSC only supports up to 16-bit samples in I2S format, due - * to the size of the Frame Mode Register FSLEN field. - */ - if ((ssc_p->daifmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_I2S - && bits > 16) { - printk(KERN_WARNING - "atmel_ssc_dai: sample size %d " - "is too large for I2S\n", bits); - return -EINVAL; - } - - /* - * Compute SSC register settings. - */ - switch (ssc_p->daifmt - & (SND_SOC_DAIFMT_FORMAT_MASK | SND_SOC_DAIFMT_MASTER_MASK)) { - - case SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS: - /* - * I2S format, SSC provides BCLK and LRC clocks. - * - * The SSC transmit and receive clocks are generated - * from the MCK divider, and the BCLK signal - * is output on the SSC TK line. - */ - rcmr = SSC_BF(RCMR_PERIOD, ssc_p->rcmr_period) - | SSC_BF(RCMR_STTDLY, START_DELAY) - | SSC_BF(RCMR_START, SSC_START_FALLING_RF) - | SSC_BF(RCMR_CKI, SSC_CKI_RISING) - | SSC_BF(RCMR_CKO, SSC_CKO_NONE) - | SSC_BF(RCMR_CKS, SSC_CKS_DIV); - - rfmr = SSC_BF(RFMR_FSEDGE, SSC_FSEDGE_POSITIVE) - | SSC_BF(RFMR_FSOS, SSC_FSOS_NEGATIVE) - | SSC_BF(RFMR_FSLEN, (bits - 1)) - | SSC_BF(RFMR_DATNB, (channels - 1)) - | SSC_BIT(RFMR_MSBF) - | SSC_BF(RFMR_LOOP, 0) - | SSC_BF(RFMR_DATLEN, (bits - 1)); - - tcmr = SSC_BF(TCMR_PERIOD, ssc_p->tcmr_period) - | SSC_BF(TCMR_STTDLY, START_DELAY) - | SSC_BF(TCMR_START, SSC_START_FALLING_RF) - | SSC_BF(TCMR_CKI, SSC_CKI_FALLING) - | SSC_BF(TCMR_CKO, SSC_CKO_CONTINUOUS) - | SSC_BF(TCMR_CKS, SSC_CKS_DIV); - - tfmr = SSC_BF(TFMR_FSEDGE, SSC_FSEDGE_POSITIVE) - | SSC_BF(TFMR_FSDEN, 0) - | SSC_BF(TFMR_FSOS, SSC_FSOS_NEGATIVE) - | SSC_BF(TFMR_FSLEN, (bits - 1)) - | SSC_BF(TFMR_DATNB, (channels - 1)) - | SSC_BIT(TFMR_MSBF) - | SSC_BF(TFMR_DATDEF, 0) - | SSC_BF(TFMR_DATLEN, (bits - 1)); - break; - - case SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM: - /* - * I2S format, CODEC supplies BCLK and LRC clocks. - * - * The SSC transmit clock is obtained from the BCLK signal on - * on the TK line, and the SSC receive clock is - * generated from the transmit clock. - * - * For single channel data, one sample is transferred - * on the falling edge of the LRC clock. - * For two channel data, one sample is - * transferred on both edges of the LRC clock. - */ - start_event = ((channels == 1) - ? SSC_START_FALLING_RF - : SSC_START_EDGE_RF); - - rcmr = SSC_BF(RCMR_PERIOD, 0) - | SSC_BF(RCMR_STTDLY, START_DELAY) - | SSC_BF(RCMR_START, start_event) - | SSC_BF(RCMR_CKI, SSC_CKI_RISING) - | SSC_BF(RCMR_CKO, SSC_CKO_NONE) - | SSC_BF(RCMR_CKS, SSC_CKS_CLOCK); - - rfmr = SSC_BF(RFMR_FSEDGE, SSC_FSEDGE_POSITIVE) - | SSC_BF(RFMR_FSOS, SSC_FSOS_NONE) - | SSC_BF(RFMR_FSLEN, 0) - | SSC_BF(RFMR_DATNB, 0) - | SSC_BIT(RFMR_MSBF) - | SSC_BF(RFMR_LOOP, 0) - | SSC_BF(RFMR_DATLEN, (bits - 1)); - - tcmr = SSC_BF(TCMR_PERIOD, 0) - | SSC_BF(TCMR_STTDLY, START_DELAY) - | SSC_BF(TCMR_START, start_event) - | SSC_BF(TCMR_CKI, SSC_CKI_FALLING) - | SSC_BF(TCMR_CKO, SSC_CKO_NONE) - | SSC_BF(TCMR_CKS, SSC_CKS_PIN); - - tfmr = SSC_BF(TFMR_FSEDGE, SSC_FSEDGE_POSITIVE) - | SSC_BF(TFMR_FSDEN, 0) - | SSC_BF(TFMR_FSOS, SSC_FSOS_NONE) - | SSC_BF(TFMR_FSLEN, 0) - | SSC_BF(TFMR_DATNB, 0) - | SSC_BIT(TFMR_MSBF) - | SSC_BF(TFMR_DATDEF, 0) - | SSC_BF(TFMR_DATLEN, (bits - 1)); - break; - - case SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBS_CFS: - /* - * DSP/PCM Mode A format, SSC provides BCLK and LRC clocks. - * - * The SSC transmit and receive clocks are generated from the - * MCK divider, and the BCLK signal is output - * on the SSC TK line. - */ - rcmr = SSC_BF(RCMR_PERIOD, ssc_p->rcmr_period) - | SSC_BF(RCMR_STTDLY, 1) - | SSC_BF(RCMR_START, SSC_START_RISING_RF) - | SSC_BF(RCMR_CKI, SSC_CKI_RISING) - | SSC_BF(RCMR_CKO, SSC_CKO_NONE) - | SSC_BF(RCMR_CKS, SSC_CKS_DIV); - - rfmr = SSC_BF(RFMR_FSEDGE, SSC_FSEDGE_POSITIVE) - | SSC_BF(RFMR_FSOS, SSC_FSOS_POSITIVE) - | SSC_BF(RFMR_FSLEN, 0) - | SSC_BF(RFMR_DATNB, (channels - 1)) - | SSC_BIT(RFMR_MSBF) - | SSC_BF(RFMR_LOOP, 0) - | SSC_BF(RFMR_DATLEN, (bits - 1)); - - tcmr = SSC_BF(TCMR_PERIOD, ssc_p->tcmr_period) - | SSC_BF(TCMR_STTDLY, 1) - | SSC_BF(TCMR_START, SSC_START_RISING_RF) - | SSC_BF(TCMR_CKI, SSC_CKI_RISING) - | SSC_BF(TCMR_CKO, SSC_CKO_CONTINUOUS) - | SSC_BF(TCMR_CKS, SSC_CKS_DIV); - - tfmr = SSC_BF(TFMR_FSEDGE, SSC_FSEDGE_POSITIVE) - | SSC_BF(TFMR_FSDEN, 0) - | SSC_BF(TFMR_FSOS, SSC_FSOS_POSITIVE) - | SSC_BF(TFMR_FSLEN, 0) - | SSC_BF(TFMR_DATNB, (channels - 1)) - | SSC_BIT(TFMR_MSBF) - | SSC_BF(TFMR_DATDEF, 0) - | SSC_BF(TFMR_DATLEN, (bits - 1)); - break; - - case SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBM_CFM: - default: - printk(KERN_WARNING "atmel_ssc_dai: unsupported DAI format 0x%x\n", - ssc_p->daifmt); - return -EINVAL; - } - pr_debug("atmel_ssc_hw_params: " - "RCMR=%08x RFMR=%08x TCMR=%08x TFMR=%08x\n", - rcmr, rfmr, tcmr, tfmr); - - if (!ssc_p->initialized) { - - /* Enable PMC peripheral clock for this SSC */ - pr_debug("atmel_ssc_dai: Starting clock\n"); - clk_enable(ssc_p->ssc->clk); - - /* Reset the SSC and its PDC registers */ - ssc_writel(ssc_p->ssc->regs, CR, SSC_BIT(CR_SWRST)); - - ssc_writel(ssc_p->ssc->regs, PDC_RPR, 0); - ssc_writel(ssc_p->ssc->regs, PDC_RCR, 0); - ssc_writel(ssc_p->ssc->regs, PDC_RNPR, 0); - ssc_writel(ssc_p->ssc->regs, PDC_RNCR, 0); - - ssc_writel(ssc_p->ssc->regs, PDC_TPR, 0); - ssc_writel(ssc_p->ssc->regs, PDC_TCR, 0); - ssc_writel(ssc_p->ssc->regs, PDC_TNPR, 0); - ssc_writel(ssc_p->ssc->regs, PDC_TNCR, 0); - - ret = request_irq(ssc_p->ssc->irq, atmel_ssc_interrupt, 0, - ssc_p->name, ssc_p); - if (ret < 0) { - printk(KERN_WARNING - "atmel_ssc_dai: request_irq failure\n"); - pr_debug("Atmel_ssc_dai: Stoping clock\n"); - clk_disable(ssc_p->ssc->clk); - return ret; - } - - ssc_p->initialized = 1; - } - - /* set SSC clock mode register */ - ssc_writel(ssc_p->ssc->regs, CMR, ssc_p->cmr_div); - - /* set receive clock mode and format */ - ssc_writel(ssc_p->ssc->regs, RCMR, rcmr); - ssc_writel(ssc_p->ssc->regs, RFMR, rfmr); - - /* set transmit clock mode and format */ - ssc_writel(ssc_p->ssc->regs, TCMR, tcmr); - ssc_writel(ssc_p->ssc->regs, TFMR, tfmr); - - pr_debug("atmel_ssc_dai,hw_params: SSC initialized\n"); - return 0; -} - - -static int atmel_ssc_prepare(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct atmel_ssc_info *ssc_p = &ssc_info[dai->id]; - struct atmel_pcm_dma_params *dma_params; - int dir; - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - dir = 0; - else - dir = 1; - - dma_params = ssc_p->dma_params[dir]; - - ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_enable); - - pr_debug("%s enabled SSC_SR=0x%08x\n", - dir ? "receive" : "transmit", - ssc_readl(ssc_p->ssc->regs, SR)); - return 0; -} - - -#ifdef CONFIG_PM -static int atmel_ssc_suspend(struct snd_soc_dai *cpu_dai) -{ - struct atmel_ssc_info *ssc_p; - - if (!cpu_dai->active) - return 0; - - ssc_p = &ssc_info[cpu_dai->id]; - - /* Save the status register before disabling transmit and receive */ - ssc_p->ssc_state.ssc_sr = ssc_readl(ssc_p->ssc->regs, SR); - ssc_writel(ssc_p->ssc->regs, CR, SSC_BIT(CR_TXDIS) | SSC_BIT(CR_RXDIS)); - - /* Save the current interrupt mask, then disable unmasked interrupts */ - ssc_p->ssc_state.ssc_imr = ssc_readl(ssc_p->ssc->regs, IMR); - ssc_writel(ssc_p->ssc->regs, IDR, ssc_p->ssc_state.ssc_imr); - - ssc_p->ssc_state.ssc_cmr = ssc_readl(ssc_p->ssc->regs, CMR); - ssc_p->ssc_state.ssc_rcmr = ssc_readl(ssc_p->ssc->regs, RCMR); - ssc_p->ssc_state.ssc_rfmr = ssc_readl(ssc_p->ssc->regs, RFMR); - ssc_p->ssc_state.ssc_tcmr = ssc_readl(ssc_p->ssc->regs, TCMR); - ssc_p->ssc_state.ssc_tfmr = ssc_readl(ssc_p->ssc->regs, TFMR); - - return 0; -} - - - -static int atmel_ssc_resume(struct snd_soc_dai *cpu_dai) -{ - struct atmel_ssc_info *ssc_p; - u32 cr; - - if (!cpu_dai->active) - return 0; - - ssc_p = &ssc_info[cpu_dai->id]; - - /* restore SSC register settings */ - ssc_writel(ssc_p->ssc->regs, TFMR, ssc_p->ssc_state.ssc_tfmr); - ssc_writel(ssc_p->ssc->regs, TCMR, ssc_p->ssc_state.ssc_tcmr); - ssc_writel(ssc_p->ssc->regs, RFMR, ssc_p->ssc_state.ssc_rfmr); - ssc_writel(ssc_p->ssc->regs, RCMR, ssc_p->ssc_state.ssc_rcmr); - ssc_writel(ssc_p->ssc->regs, CMR, ssc_p->ssc_state.ssc_cmr); - - /* re-enable interrupts */ - ssc_writel(ssc_p->ssc->regs, IER, ssc_p->ssc_state.ssc_imr); - - /* Re-enable receive and transmit as appropriate */ - cr = 0; - cr |= - (ssc_p->ssc_state.ssc_sr & SSC_BIT(SR_RXEN)) ? SSC_BIT(CR_RXEN) : 0; - cr |= - (ssc_p->ssc_state.ssc_sr & SSC_BIT(SR_TXEN)) ? SSC_BIT(CR_TXEN) : 0; - ssc_writel(ssc_p->ssc->regs, CR, cr); - - return 0; -} -#else /* CONFIG_PM */ -# define atmel_ssc_suspend NULL -# define atmel_ssc_resume NULL -#endif /* CONFIG_PM */ - -static int atmel_ssc_probe(struct snd_soc_dai *dai) -{ - struct atmel_ssc_info *ssc_p = &ssc_info[dai->id]; - int ret = 0; - - snd_soc_dai_set_drvdata(dai, ssc_p); - - /* - * Request SSC device - */ - ssc_p->ssc = ssc_request(dai->id); - if (IS_ERR(ssc_p->ssc)) { - printk(KERN_ERR "ASoC: Failed to request SSC %d\n", dai->id); - ret = PTR_ERR(ssc_p->ssc); - } - - return ret; -} - -static int atmel_ssc_remove(struct snd_soc_dai *dai) -{ - struct atmel_ssc_info *ssc_p = snd_soc_dai_get_drvdata(dai); - - ssc_free(ssc_p->ssc); - return 0; -} - -#define ATMEL_SSC_RATES (SNDRV_PCM_RATE_8000_96000) - -#define ATMEL_SSC_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\ - SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) - -static const struct snd_soc_dai_ops atmel_ssc_dai_ops = { - .startup = atmel_ssc_startup, - .shutdown = atmel_ssc_shutdown, - .prepare = atmel_ssc_prepare, - .hw_params = atmel_ssc_hw_params, - .set_fmt = atmel_ssc_set_dai_fmt, - .set_clkdiv = atmel_ssc_set_dai_clkdiv, -}; - -static struct snd_soc_dai_driver atmel_ssc_dai[NUM_SSC_DEVICES] = { - { - .name = "atmel-ssc-dai.0", - .probe = atmel_ssc_probe, - .remove = atmel_ssc_remove, - .suspend = atmel_ssc_suspend, - .resume = atmel_ssc_resume, - .playback = { - .channels_min = 1, - .channels_max = 2, - .rates = ATMEL_SSC_RATES, - .formats = ATMEL_SSC_FORMATS,}, - .capture = { - .channels_min = 1, - .channels_max = 2, - .rates = ATMEL_SSC_RATES, - .formats = ATMEL_SSC_FORMATS,}, - .ops = &atmel_ssc_dai_ops, - }, -#if NUM_SSC_DEVICES == 3 - { - .name = "atmel-ssc-dai.1", - .probe = atmel_ssc_probe, - .remove = atmel_ssc_remove, - .suspend = atmel_ssc_suspend, - .resume = atmel_ssc_resume, - .playback = { - .channels_min = 1, - .channels_max = 2, - .rates = ATMEL_SSC_RATES, - .formats = ATMEL_SSC_FORMATS,}, - .capture = { - .channels_min = 1, - .channels_max = 2, - .rates = ATMEL_SSC_RATES, - .formats = ATMEL_SSC_FORMATS,}, - .ops = &atmel_ssc_dai_ops, - }, - { - .name = "atmel-ssc-dai.2", - .probe = atmel_ssc_probe, - .remove = atmel_ssc_remove, - .suspend = atmel_ssc_suspend, - .resume = atmel_ssc_resume, - .playback = { - .channels_min = 1, - .channels_max = 2, - .rates = ATMEL_SSC_RATES, - .formats = ATMEL_SSC_FORMATS,}, - .capture = { - .channels_min = 1, - .channels_max = 2, - .rates = ATMEL_SSC_RATES, - .formats = ATMEL_SSC_FORMATS,}, - .ops = &atmel_ssc_dai_ops, - }, -#endif -}; - -static __devinit int asoc_ssc_probe(struct platform_device *pdev) -{ - BUG_ON(pdev->id < 0); - BUG_ON(pdev->id >= ARRAY_SIZE(atmel_ssc_dai)); - return snd_soc_register_dai(&pdev->dev, &atmel_ssc_dai[pdev->id]); -} - -static int __devexit asoc_ssc_remove(struct platform_device *pdev) -{ - snd_soc_unregister_dai(&pdev->dev); - return 0; -} - -static struct platform_driver asoc_ssc_driver = { - .driver = { - .name = "atmel-ssc-dai", - .owner = THIS_MODULE, - }, - - .probe = asoc_ssc_probe, - .remove = __devexit_p(asoc_ssc_remove), -}; - -/** - * atmel_ssc_set_audio - Allocate the specified SSC for audio use. - */ -int atmel_ssc_set_audio(int ssc_id) -{ - struct ssc_device *ssc; - static struct platform_device *dma_pdev; - struct platform_device *ssc_pdev; - int ret; - - if (ssc_id < 0 || ssc_id >= ARRAY_SIZE(atmel_ssc_dai)) - return -EINVAL; - - /* Allocate a dummy device for DMA if we don't have one already */ - if (!dma_pdev) { - dma_pdev = platform_device_alloc("atmel-pcm-audio", -1); - if (!dma_pdev) - return -ENOMEM; - - ret = platform_device_add(dma_pdev); - if (ret < 0) { - platform_device_put(dma_pdev); - dma_pdev = NULL; - return ret; - } - } - - ssc_pdev = platform_device_alloc("atmel-ssc-dai", ssc_id); - if (!ssc_pdev) - return -ENOMEM; - - /* If we can grab the SSC briefly to parent the DAI device off it */ - ssc = ssc_request(ssc_id); - if (IS_ERR(ssc)) - pr_warn("Unable to parent ASoC SSC DAI on SSC: %ld\n", - PTR_ERR(ssc)); - else { - ssc_pdev->dev.parent = &(ssc->pdev->dev); - ssc_free(ssc); - } - - ret = platform_device_add(ssc_pdev); - if (ret < 0) - platform_device_put(ssc_pdev); - - return ret; -} -EXPORT_SYMBOL_GPL(atmel_ssc_set_audio); - -module_platform_driver(asoc_ssc_driver); - -/* Module information */ -MODULE_AUTHOR("Sedji Gaouaou, sedji.gaouaou@atmel.com, www.atmel.com"); -MODULE_DESCRIPTION("ATMEL SSC ASoC Interface"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/sound/soc/atmel/atmel_ssc_dai.h b/ANDROID_3.4.5/sound/soc/atmel/atmel_ssc_dai.h deleted file mode 100644 index 5d4f0f9b..00000000 --- a/ANDROID_3.4.5/sound/soc/atmel/atmel_ssc_dai.h +++ /dev/null @@ -1,122 +0,0 @@ -/* - * atmel_ssc_dai.h - ALSA SSC interface for the Atmel SoC - * - * Copyright (C) 2005 SAN People - * Copyright (C) 2008 Atmel - * - * Author: Sedji Gaouaou <sedji.gaouaou@atmel.com> - * ATMEL CORP. - * - * Based on at91-ssc.c by - * Frank Mandarino <fmandarino@endrelia.com> - * Based on pxa2xx Platform drivers by - * Liam Girdwood <lrg@slimlogic.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef _ATMEL_SSC_DAI_H -#define _ATMEL_SSC_DAI_H - -#include <linux/types.h> -#include <linux/atmel-ssc.h> - -#include "atmel-pcm.h" - -/* SSC system clock ids */ -#define ATMEL_SYSCLK_MCK 0 /* SSC uses AT91 MCK as system clock */ - -/* SSC divider ids */ -#define ATMEL_SSC_CMR_DIV 0 /* MCK divider for BCLK */ -#define ATMEL_SSC_TCMR_PERIOD 1 /* BCLK divider for transmit FS */ -#define ATMEL_SSC_RCMR_PERIOD 2 /* BCLK divider for receive FS */ -/* - * SSC direction masks - */ -#define SSC_DIR_MASK_UNUSED 0 -#define SSC_DIR_MASK_PLAYBACK 1 -#define SSC_DIR_MASK_CAPTURE 2 - -/* - * SSC register values that Atmel left out of <linux/atmel-ssc.h>. These - * are expected to be used with SSC_BF - */ -/* START bit field values */ -#define SSC_START_CONTINUOUS 0 -#define SSC_START_TX_RX 1 -#define SSC_START_LOW_RF 2 -#define SSC_START_HIGH_RF 3 -#define SSC_START_FALLING_RF 4 -#define SSC_START_RISING_RF 5 -#define SSC_START_LEVEL_RF 6 -#define SSC_START_EDGE_RF 7 -#define SSS_START_COMPARE_0 8 - -/* CKI bit field values */ -#define SSC_CKI_FALLING 0 -#define SSC_CKI_RISING 1 - -/* CKO bit field values */ -#define SSC_CKO_NONE 0 -#define SSC_CKO_CONTINUOUS 1 -#define SSC_CKO_TRANSFER 2 - -/* CKS bit field values */ -#define SSC_CKS_DIV 0 -#define SSC_CKS_CLOCK 1 -#define SSC_CKS_PIN 2 - -/* FSEDGE bit field values */ -#define SSC_FSEDGE_POSITIVE 0 -#define SSC_FSEDGE_NEGATIVE 1 - -/* FSOS bit field values */ -#define SSC_FSOS_NONE 0 -#define SSC_FSOS_NEGATIVE 1 -#define SSC_FSOS_POSITIVE 2 -#define SSC_FSOS_LOW 3 -#define SSC_FSOS_HIGH 4 -#define SSC_FSOS_TOGGLE 5 - -#define START_DELAY 1 - -struct atmel_ssc_state { - u32 ssc_cmr; - u32 ssc_rcmr; - u32 ssc_rfmr; - u32 ssc_tcmr; - u32 ssc_tfmr; - u32 ssc_sr; - u32 ssc_imr; -}; - - -struct atmel_ssc_info { - char *name; - struct ssc_device *ssc; - spinlock_t lock; /* lock for dir_mask */ - unsigned short dir_mask; /* 0=unused, 1=playback, 2=capture */ - unsigned short initialized; /* true if SSC has been initialized */ - unsigned short daifmt; - unsigned short cmr_div; - unsigned short tcmr_period; - unsigned short rcmr_period; - struct atmel_pcm_dma_params *dma_params[2]; - struct atmel_ssc_state ssc_state; -}; - -int atmel_ssc_set_audio(int ssc); - -#endif /* _AT91_SSC_DAI_H */ diff --git a/ANDROID_3.4.5/sound/soc/atmel/sam9g20_wm8731.c b/ANDROID_3.4.5/sound/soc/atmel/sam9g20_wm8731.c deleted file mode 100644 index c8835148..00000000 --- a/ANDROID_3.4.5/sound/soc/atmel/sam9g20_wm8731.c +++ /dev/null @@ -1,280 +0,0 @@ -/* - * sam9g20_wm8731 -- SoC audio for AT91SAM9G20-based - * ATMEL AT91SAM9G20ek board. - * - * Copyright (C) 2005 SAN People - * Copyright (C) 2008 Atmel - * - * Authors: Sedji Gaouaou <sedji.gaouaou@atmel.com> - * - * Based on ati_b1_wm8731.c by: - * Frank Mandarino <fmandarino@endrelia.com> - * Copyright 2006 Endrelia Technologies Inc. - * Based on corgi.c by: - * Copyright 2005 Wolfson Microelectronics PLC. - * Copyright 2005 Openedhand Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/kernel.h> -#include <linux/clk.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> - -#include <linux/atmel-ssc.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> - -#include <asm/mach-types.h> -#include <mach/hardware.h> -#include <mach/gpio.h> - -#include "../codecs/wm8731.h" -#include "atmel-pcm.h" -#include "atmel_ssc_dai.h" - -#define MCLK_RATE 12000000 - -/* - * As shipped the board does not have inputs. However, it is relatively - * straightforward to modify the board to hook them up so support is left - * in the driver. - */ -#undef ENABLE_MIC_INPUT - -static struct clk *mclk; - -static int at91sam9g20ek_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *codec_dai = rtd->codec_dai; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - int ret; - - /* set codec DAI configuration */ - ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); - if (ret < 0) - return ret; - - /* set cpu DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); - if (ret < 0) - return ret; - - return 0; -} - -static struct snd_soc_ops at91sam9g20ek_ops = { - .hw_params = at91sam9g20ek_hw_params, -}; - -static int at91sam9g20ek_set_bias_level(struct snd_soc_card *card, - struct snd_soc_dapm_context *dapm, - enum snd_soc_bias_level level) -{ - static int mclk_on; - int ret = 0; - - switch (level) { - case SND_SOC_BIAS_ON: - case SND_SOC_BIAS_PREPARE: - if (!mclk_on) - ret = clk_enable(mclk); - if (ret == 0) - mclk_on = 1; - break; - - case SND_SOC_BIAS_OFF: - case SND_SOC_BIAS_STANDBY: - if (mclk_on) - clk_disable(mclk); - mclk_on = 0; - break; - } - - return ret; -} - -static const struct snd_soc_dapm_widget at91sam9g20ek_dapm_widgets[] = { - SND_SOC_DAPM_MIC("Int Mic", NULL), - SND_SOC_DAPM_SPK("Ext Spk", NULL), -}; - -static const struct snd_soc_dapm_route intercon[] = { - - /* speaker connected to LHPOUT */ - {"Ext Spk", NULL, "LHPOUT"}, - - /* mic is connected to Mic Jack, with WM8731 Mic Bias */ - {"MICIN", NULL, "Mic Bias"}, - {"Mic Bias", NULL, "Int Mic"}, -}; - -/* - * Logic for a wm8731 as connected on a at91sam9g20ek board. - */ -static int at91sam9g20ek_wm8731_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_codec *codec = rtd->codec; - struct snd_soc_dai *codec_dai = rtd->codec_dai; - struct snd_soc_dapm_context *dapm = &codec->dapm; - int ret; - - printk(KERN_DEBUG - "at91sam9g20ek_wm8731 " - ": at91sam9g20ek_wm8731_init() called\n"); - - ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_MCLK, - MCLK_RATE, SND_SOC_CLOCK_IN); - if (ret < 0) { - printk(KERN_ERR "Failed to set WM8731 SYSCLK: %d\n", ret); - return ret; - } - - /* Add specific widgets */ - snd_soc_dapm_new_controls(dapm, at91sam9g20ek_dapm_widgets, - ARRAY_SIZE(at91sam9g20ek_dapm_widgets)); - /* Set up specific audio path interconnects */ - snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon)); - - /* not connected */ - snd_soc_dapm_nc_pin(dapm, "RLINEIN"); - snd_soc_dapm_nc_pin(dapm, "LLINEIN"); - -#ifdef ENABLE_MIC_INPUT - snd_soc_dapm_enable_pin(dapm, "Int Mic"); -#else - snd_soc_dapm_nc_pin(dapm, "Int Mic"); -#endif - - /* always connected */ - snd_soc_dapm_enable_pin(dapm, "Ext Spk"); - - return 0; -} - -static struct snd_soc_dai_link at91sam9g20ek_dai = { - .name = "WM8731", - .stream_name = "WM8731 PCM", - .cpu_dai_name = "atmel-ssc-dai.0", - .codec_dai_name = "wm8731-hifi", - .init = at91sam9g20ek_wm8731_init, - .platform_name = "atmel-pcm-audio", - .codec_name = "wm8731.0-001b", - .ops = &at91sam9g20ek_ops, -}; - -static struct snd_soc_card snd_soc_at91sam9g20ek = { - .name = "AT91SAMG20-EK", - .owner = THIS_MODULE, - .dai_link = &at91sam9g20ek_dai, - .num_links = 1, - .set_bias_level = at91sam9g20ek_set_bias_level, -}; - -static struct platform_device *at91sam9g20ek_snd_device; - -static int __init at91sam9g20ek_init(void) -{ - struct clk *pllb; - int ret; - - if (!(machine_is_at91sam9g20ek() || machine_is_at91sam9g20ek_2mmc())) - return -ENODEV; - - ret = atmel_ssc_set_audio(0); - if (ret != 0) { - pr_err("Failed to set SSC 0 for audio: %d\n", ret); - return ret; - } - - /* - * Codec MCLK is supplied by PCK0 - set it up. - */ - mclk = clk_get(NULL, "pck0"); - if (IS_ERR(mclk)) { - printk(KERN_ERR "ASoC: Failed to get MCLK\n"); - ret = PTR_ERR(mclk); - goto err; - } - - pllb = clk_get(NULL, "pllb"); - if (IS_ERR(pllb)) { - printk(KERN_ERR "ASoC: Failed to get PLLB\n"); - ret = PTR_ERR(pllb); - goto err_mclk; - } - ret = clk_set_parent(mclk, pllb); - clk_put(pllb); - if (ret != 0) { - printk(KERN_ERR "ASoC: Failed to set MCLK parent\n"); - goto err_mclk; - } - - clk_set_rate(mclk, MCLK_RATE); - - at91sam9g20ek_snd_device = platform_device_alloc("soc-audio", -1); - if (!at91sam9g20ek_snd_device) { - printk(KERN_ERR "ASoC: Platform device allocation failed\n"); - ret = -ENOMEM; - goto err_mclk; - } - - platform_set_drvdata(at91sam9g20ek_snd_device, - &snd_soc_at91sam9g20ek); - - ret = platform_device_add(at91sam9g20ek_snd_device); - if (ret) { - printk(KERN_ERR "ASoC: Platform device allocation failed\n"); - goto err_device_add; - } - - return ret; - -err_device_add: - platform_device_put(at91sam9g20ek_snd_device); -err_mclk: - clk_put(mclk); - mclk = NULL; -err: - return ret; -} - -static void __exit at91sam9g20ek_exit(void) -{ - platform_device_unregister(at91sam9g20ek_snd_device); - at91sam9g20ek_snd_device = NULL; - clk_put(mclk); - mclk = NULL; -} - -module_init(at91sam9g20ek_init); -module_exit(at91sam9g20ek_exit); - -/* Module information */ -MODULE_AUTHOR("Sedji Gaouaou <sedji.gaouaou@atmel.com>"); -MODULE_DESCRIPTION("ALSA SoC AT91SAM9G20EK_WM8731"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/sound/soc/atmel/snd-soc-afeb9260.c b/ANDROID_3.4.5/sound/soc/atmel/snd-soc-afeb9260.c deleted file mode 100644 index f65f08be..00000000 --- a/ANDROID_3.4.5/sound/soc/atmel/snd-soc-afeb9260.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - * afeb9260.c -- SoC audio for AFEB9260 - * - * Copyright (C) 2009 Sergey Lapin <slapin@ossfans.org> - * - * 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. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/kernel.h> -#include <linux/clk.h> -#include <linux/platform_device.h> - -#include <linux/atmel-ssc.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> - -#include <asm/mach-types.h> -#include <mach/hardware.h> -#include <linux/gpio.h> - -#include "../codecs/tlv320aic23.h" -#include "atmel-pcm.h" -#include "atmel_ssc_dai.h" - -#define CODEC_CLOCK 12000000 - -static int afeb9260_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *codec_dai = rtd->codec_dai; - int err; - - /* Set the codec system clock for DAC and ADC */ - err = - snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, SND_SOC_CLOCK_IN); - - if (err < 0) { - printk(KERN_ERR "can't set codec system clock\n"); - return err; - } - - return err; -} - -static struct snd_soc_ops afeb9260_ops = { - .hw_params = afeb9260_hw_params, -}; - -static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = { - SND_SOC_DAPM_HP("Headphone Jack", NULL), - SND_SOC_DAPM_LINE("Line In", NULL), - SND_SOC_DAPM_MIC("Mic Jack", NULL), -}; - -static const struct snd_soc_dapm_route afeb9260_audio_map[] = { - {"Headphone Jack", NULL, "LHPOUT"}, - {"Headphone Jack", NULL, "RHPOUT"}, - - {"LLINEIN", NULL, "Line In"}, - {"RLINEIN", NULL, "Line In"}, - - {"MICIN", NULL, "Mic Jack"}, -}; - -static int afeb9260_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_codec *codec = rtd->codec; - struct snd_soc_dapm_context *dapm = &codec->dapm; - - snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); - snd_soc_dapm_enable_pin(dapm, "Line In"); - snd_soc_dapm_enable_pin(dapm, "Mic Jack"); - - return 0; -} - -/* Digital audio interface glue - connects codec <--> CPU */ -static struct snd_soc_dai_link afeb9260_dai = { - .name = "TLV320AIC23", - .stream_name = "AIC23", - .cpu_dai_name = "atmel-ssc-dai.0", - .codec_dai_name = "tlv320aic23-hifi", - .platform_name = "atmel_pcm-audio", - .codec_name = "tlv320aic23-codec.0-001a", - .init = afeb9260_tlv320aic23_init, - .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_IF | - SND_SOC_DAIFMT_CBM_CFM, - .ops = &afeb9260_ops, -}; - -/* Audio machine driver */ -static struct snd_soc_card snd_soc_machine_afeb9260 = { - .name = "AFEB9260", - .owner = THIS_MODULE, - .dai_link = &afeb9260_dai, - .num_links = 1, - - .dapm_widgets = tlv320aic23_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(tlv320aic23_dapm_widgets), - .dapm_routes = afeb9260_audio_map, - .num_dapm_routes = ARRAY_SIZE(afeb9260_audio_map), -}; - -static struct platform_device *afeb9260_snd_device; - -static int __init afeb9260_soc_init(void) -{ - int err; - struct device *dev; - - if (!(machine_is_afeb9260())) - return -ENODEV; - - - afeb9260_snd_device = platform_device_alloc("soc-audio", -1); - if (!afeb9260_snd_device) { - printk(KERN_ERR "ASoC: Platform device allocation failed\n"); - return -ENOMEM; - } - - platform_set_drvdata(afeb9260_snd_device, &snd_soc_machine_afeb9260); - err = platform_device_add(afeb9260_snd_device); - if (err) - goto err1; - - dev = &afeb9260_snd_device->dev; - - return 0; -err1: - platform_device_put(afeb9260_snd_device); - return err; -} - -static void __exit afeb9260_soc_exit(void) -{ - platform_device_unregister(afeb9260_snd_device); -} - -module_init(afeb9260_soc_init); -module_exit(afeb9260_soc_exit); - -MODULE_AUTHOR("Sergey Lapin <slapin@ossfans.org>"); -MODULE_DESCRIPTION("ALSA SoC for AFEB9260"); -MODULE_LICENSE("GPL"); - |