diff options
Diffstat (limited to 'sound/soc/s3c24xx/s3c64xx-i2s-v4.c')
| -rw-r--r-- | sound/soc/s3c24xx/s3c64xx-i2s-v4.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s-v4.c b/sound/soc/s3c24xx/s3c64xx-i2s-v4.c deleted file mode 100644 index 06db130030a..00000000000 --- a/sound/soc/s3c24xx/s3c64xx-i2s-v4.c +++ /dev/null @@ -1,209 +0,0 @@ -/* sound/soc/s3c24xx/s3c64xx-i2s-v4.c - * - * ALSA SoC Audio Layer - S3C64XX I2Sv4 driver - * Copyright (c) 2010 Samsung Electronics Co. Ltd - * Author: Jaswinder Singh <jassi.brar@samsung.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/clk.h> -#include <linux/gpio.h> -#include <linux/io.h> - -#include <sound/soc.h> -#include <sound/pcm_params.h> - -#include <mach/gpio-bank-c.h> -#include <mach/gpio-bank-h.h> -#include <plat/gpio-cfg.h> - -#include <mach/map.h> -#include <mach/dma.h> - -#include "s3c-dma.h" -#include "regs-i2s-v2.h" -#include "s3c64xx-i2s.h" - -static struct s3c2410_dma_client s3c64xx_dma_client_out = { - .name = "I2Sv4 PCM Stereo out" -}; - -static struct s3c2410_dma_client s3c64xx_dma_client_in = { - .name = "I2Sv4 PCM Stereo in" -}; - -static struct s3c_dma_params s3c64xx_i2sv4_pcm_stereo_out; -static struct s3c_dma_params s3c64xx_i2sv4_pcm_stereo_in; -static struct s3c_i2sv2_info s3c64xx_i2sv4; - -struct snd_soc_dai s3c64xx_i2s_v4_dai; -EXPORT_SYMBOL_GPL(s3c64xx_i2s_v4_dai); - -static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai) -{ - return cpu_dai->private_data; -} - -static int s3c64xx_i2sv4_probe(struct platform_device *pdev, - struct snd_soc_dai *dai) -{ - /* configure GPIO for i2s port */ - s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C64XX_GPC4_I2S_V40_DO0); - s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C64XX_GPC5_I2S_V40_DO1); - s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C64XX_GPC7_I2S_V40_DO2); - s3c_gpio_cfgpin(S3C64XX_GPH(6), S3C64XX_GPH6_I2S_V40_BCLK); - s3c_gpio_cfgpin(S3C64XX_GPH(7), S3C64XX_GPH7_I2S_V40_CDCLK); - s3c_gpio_cfgpin(S3C64XX_GPH(8), S3C64XX_GPH8_I2S_V40_LRCLK); - s3c_gpio_cfgpin(S3C64XX_GPH(9), S3C64XX_GPH9_I2S_V40_DI); - - return 0; -} - -static int s3c_i2sv4_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *cpu_dai) -{ - struct s3c_i2sv2_info *i2s = to_info(cpu_dai); - struct s3c_dma_params *dma_data; - u32 iismod; - - dev_dbg(cpu_dai->dev, "Entered %s\n", __func__); - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - dma_data = i2s->dma_playback; - else - dma_data = i2s->dma_capture; - - snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); - - iismod = readl(i2s->regs + S3C2412_IISMOD); - dev_dbg(cpu_dai->dev, "%s: r: IISMOD: %x\n", __func__, iismod); - - iismod &= ~S3C64XX_IISMOD_BLC_MASK; - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_S8: - iismod |= S3C64XX_IISMOD_BLC_8BIT; - break; - case SNDRV_PCM_FORMAT_S16_LE: - break; - case SNDRV_PCM_FORMAT_S24_LE: - iismod |= S3C64XX_IISMOD_BLC_24BIT; - break; - } - - writel(iismod, i2s->regs + S3C2412_IISMOD); - dev_dbg(cpu_dai->dev, "%s: w: IISMOD: %x\n", __func__, iismod); - - return 0; -} - -static struct snd_soc_dai_ops s3c64xx_i2sv4_dai_ops = { - .hw_params = s3c_i2sv4_hw_params, -}; - -static __devinit int s3c64xx_i2sv4_dev_probe(struct platform_device *pdev) -{ - struct s3c_i2sv2_info *i2s; - struct snd_soc_dai *dai; - int ret; - - i2s = &s3c64xx_i2sv4; - dai = &s3c64xx_i2s_v4_dai; - - if (dai->dev) { - dev_dbg(dai->dev, "%s: \ - I2Sv4 instance already registered!\n", __func__); - return -EBUSY; - } - - dai->dev = &pdev->dev; - dai->name = "s3c64xx-i2s-v4"; - dai->id = 0; - dai->symmetric_rates = 1; - dai->playback.channels_min = 2; - dai->playback.channels_max = 2; - dai->playback.rates = S3C64XX_I2S_RATES; - dai->playback.formats = S3C64XX_I2S_FMTS; - dai->capture.channels_min = 2; - dai->capture.channels_max = 2; - dai->capture.rates = S3C64XX_I2S_RATES; - dai->capture.formats = S3C64XX_I2S_FMTS; - dai->probe = s3c64xx_i2sv4_probe; - dai->ops = &s3c64xx_i2sv4_dai_ops; - - i2s->feature |= S3C_FEATURE_CDCLKCON; - - i2s->dma_capture = &s3c64xx_i2sv4_pcm_stereo_in; - i2s->dma_playback = &s3c64xx_i2sv4_pcm_stereo_out; - - i2s->dma_capture->channel = DMACH_HSI_I2SV40_RX; - i2s->dma_capture->dma_addr = S3C64XX_PA_IISV4 + S3C2412_IISRXD; - i2s->dma_playback->channel = DMACH_HSI_I2SV40_TX; - i2s->dma_playback->dma_addr = S3C64XX_PA_IISV4 + S3C2412_IISTXD; - - i2s->dma_capture->client = &s3c64xx_dma_client_in; - i2s->dma_capture->dma_size = 4; - i2s->dma_playback->client = &s3c64xx_dma_client_out; - i2s->dma_playback->dma_size = 4; - - i2s->iis_cclk = clk_get(&pdev->dev, "audio-bus"); - if (IS_ERR(i2s->iis_cclk)) { - dev_err(&pdev->dev, "failed to get audio-bus\n"); - ret = PTR_ERR(i2s->iis_cclk); - goto err; - } - - clk_enable(i2s->iis_cclk); - - ret = s3c_i2sv2_probe(pdev, dai, i2s, 0); - if (ret) - goto err_clk; - - ret = s3c_i2sv2_register_dai(dai); - if (ret != 0) - goto err_i2sv2; - - return 0; - -err_i2sv2: - /* Not implemented for I2Sv2 core yet */ -err_clk: - clk_put(i2s->iis_cclk); -err: - return ret; -} - -static __devexit int s3c64xx_i2sv4_dev_remove(struct platform_device *pdev) -{ - dev_err(&pdev->dev, "Device removal not yet supported\n"); - return 0; -} - -static struct platform_driver s3c64xx_i2sv4_driver = { - .probe = s3c64xx_i2sv4_dev_probe, - .remove = s3c64xx_i2sv4_dev_remove, - .driver = { - .name = "s3c64xx-iis-v4", - .owner = THIS_MODULE, - }, -}; - -static int __init s3c64xx_i2sv4_init(void) -{ - return platform_driver_register(&s3c64xx_i2sv4_driver); -} -module_init(s3c64xx_i2sv4_init); - -static void __exit s3c64xx_i2sv4_exit(void) -{ - platform_driver_unregister(&s3c64xx_i2sv4_driver); -} -module_exit(s3c64xx_i2sv4_exit); - -/* Module information */ -MODULE_AUTHOR("Jaswinder Singh, <jassi.brar@samsung.com>"); -MODULE_DESCRIPTION("S3C64XX I2Sv4 SoC Interface"); -MODULE_LICENSE("GPL"); |