diff options
Diffstat (limited to 'sound/soc/davinci/davinci-sffsdr.c')
| -rw-r--r-- | sound/soc/davinci/davinci-sffsdr.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/sound/soc/davinci/davinci-sffsdr.c b/sound/soc/davinci/davinci-sffsdr.c deleted file mode 100644 index 5be65aae7e0..00000000000 --- a/sound/soc/davinci/davinci-sffsdr.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * ASoC driver for Lyrtech SFFSDR board. - * - * Author: Hugo Villeneuve - * Copyright (C) 2008 Lyrtech inc - * - * Based on ASoC driver for TI DAVINCI EVM platform, original copyright follow: - * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com> - * - * 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/moduleparam.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> - -#include <asm/dma.h> -#include <asm/mach-types.h> -#ifdef CONFIG_SFFSDR_FPGA -#include <asm/plat-sffsdr/sffsdr-fpga.h> -#endif - -#include <mach/edma.h> - -#include "../codecs/pcm3008.h" -#include "davinci-pcm.h" -#include "davinci-i2s.h" - -/* - * CLKX and CLKR are the inputs for the Sample Rate Generator. - * FSX and FSR are outputs, driven by the sample Rate Generator. - */ -#define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \ - SND_SOC_DAIFMT_CBM_CFS | \ - SND_SOC_DAIFMT_IB_NF) - -static int sffsdr_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 *cpu_dai = rtd->cpu_dai; - int fs; - int ret = 0; - - /* Fsref can be 32000, 44100 or 48000. */ - fs = params_rate(params); - -#ifndef CONFIG_SFFSDR_FPGA - /* Without the FPGA module, the Fs is fixed at 44100 Hz */ - if (fs != 44100) { - pr_debug("warning: only 44.1 kHz is supported without SFFSDR FPGA module\n"); - return -EINVAL; - } -#endif - - /* set cpu DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT); - if (ret < 0) - return ret; - - pr_debug("sffsdr_hw_params: rate = %d Hz\n", fs); - -#ifndef CONFIG_SFFSDR_FPGA - return 0; -#else - return sffsdr_fpga_set_codec_fs(fs); -#endif -} - -static struct snd_soc_ops sffsdr_ops = { - .hw_params = sffsdr_hw_params, -}; - -/* davinci-sffsdr digital audio interface glue - connects codec <--> CPU */ -static struct snd_soc_dai_link sffsdr_dai = { - .name = "PCM3008", /* Codec name */ - .stream_name = "PCM3008 HiFi", - .cpu_dai_name = "davinci-mcbsp", - .codec_dai_name = "pcm3008-hifi", - .codec_name = "pcm3008-codec", - .platform_name = "davinci-mcbsp", - .ops = &sffsdr_ops, -}; - -/* davinci-sffsdr audio machine driver */ -static struct snd_soc_card snd_soc_sffsdr = { - .name = "DaVinci SFFSDR", - .owner = THIS_MODULE, - .dai_link = &sffsdr_dai, - .num_links = 1, -}; - -/* sffsdr audio private data */ -static struct pcm3008_setup_data sffsdr_pcm3008_setup = { - .dem0_pin = GPIO(45), - .dem1_pin = GPIO(46), - .pdad_pin = GPIO(47), - .pdda_pin = GPIO(38), -}; - -struct platform_device pcm3008_codec = { - .name = "pcm3008-codec", - .id = 0, - .dev = { - .platform_data = &sffsdr_pcm3008_setup, - }, -}; - -static struct resource sffsdr_snd_resources[] = { - { - .start = DAVINCI_MCBSP_BASE, - .end = DAVINCI_MCBSP_BASE + SZ_8K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct evm_snd_platform_data sffsdr_snd_data = { - .tx_dma_ch = DAVINCI_DMA_MCBSP_TX, - .rx_dma_ch = DAVINCI_DMA_MCBSP_RX, -}; - -static struct platform_device *sffsdr_snd_device; - -static int __init sffsdr_init(void) -{ - int ret; - - if (!machine_is_sffsdr()) - return -EINVAL; - - platform_device_register(&pcm3008_codec); - - sffsdr_snd_device = platform_device_alloc("soc-audio", 0); - if (!sffsdr_snd_device) { - printk(KERN_ERR "platform device allocation failed\n"); - return -ENOMEM; - } - - platform_set_drvdata(sffsdr_snd_device, &snd_soc_sffsdr); - platform_device_add_data(sffsdr_snd_device, &sffsdr_snd_data, - sizeof(sffsdr_snd_data)); - - ret = platform_device_add_resources(sffsdr_snd_device, - sffsdr_snd_resources, - ARRAY_SIZE(sffsdr_snd_resources)); - if (ret) { - printk(KERN_ERR "platform device add resources failed\n"); - goto error; - } - - ret = platform_device_add(sffsdr_snd_device); - if (ret) - goto error; - - return ret; - -error: - platform_device_put(sffsdr_snd_device); - return ret; -} - -static void __exit sffsdr_exit(void) -{ - platform_device_unregister(sffsdr_snd_device); - platform_device_unregister(&pcm3008_codec); -} - -module_init(sffsdr_init); -module_exit(sffsdr_exit); - -MODULE_AUTHOR("Hugo Villeneuve"); -MODULE_DESCRIPTION("Lyrtech SFFSDR ASoC driver"); -MODULE_LICENSE("GPL"); |