diff options
Diffstat (limited to 'sound/soc/s3c24xx/s3c64xx-i2s.c')
| -rw-r--r-- | sound/soc/s3c24xx/s3c64xx-i2s.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.c b/sound/soc/s3c24xx/s3c64xx-i2s.c deleted file mode 100644 index 1d85cb85a7d..00000000000 --- a/sound/soc/s3c24xx/s3c64xx-i2s.c +++ /dev/null @@ -1,190 +0,0 @@ -/* sound/soc/s3c24xx/s3c64xx-i2s.c - * - * ALSA SoC Audio Layer - S3C64XX I2S driver - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * 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 <mach/gpio-bank-d.h> -#include <mach/gpio-bank-e.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" - -/* The value should be set to maximum of the total number - * of I2Sv3 controllers that any supported SoC has. - */ -#define MAX_I2SV3 2 - -static struct s3c2410_dma_client s3c64xx_dma_client_out = { - .name = "I2S PCM Stereo out" -}; - -static struct s3c2410_dma_client s3c64xx_dma_client_in = { - .name = "I2S PCM Stereo in" -}; - -static struct s3c_dma_params s3c64xx_i2s_pcm_stereo_out[MAX_I2SV3]; -static struct s3c_dma_params s3c64xx_i2s_pcm_stereo_in[MAX_I2SV3]; -static struct s3c_i2sv2_info s3c64xx_i2s[MAX_I2SV3]; - -struct snd_soc_dai s3c64xx_i2s_dai[MAX_I2SV3]; -EXPORT_SYMBOL_GPL(s3c64xx_i2s_dai); - -static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai) -{ - return cpu_dai->private_data; -} - -static int s3c64xx_i2s_probe(struct platform_device *pdev, - struct snd_soc_dai *dai) -{ - /* configure GPIO for i2s port */ - switch (dai->id) { - case 0: - s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_I2S0_CLK); - s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_I2S0_CDCLK); - s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_I2S0_LRCLK); - s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_I2S0_DI); - s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_I2S0_D0); - break; - case 1: - s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_I2S1_CLK); - s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_I2S1_CDCLK); - s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_I2S1_LRCLK); - s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_I2S1_DI); - s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_I2S1_D0); - } - - return 0; -} - - -static struct snd_soc_dai_ops s3c64xx_i2s_dai_ops; - -static __devinit int s3c64xx_iis_dev_probe(struct platform_device *pdev) -{ - struct s3c_i2sv2_info *i2s; - struct snd_soc_dai *dai; - int ret; - - if (pdev->id >= MAX_I2SV3) { - dev_err(&pdev->dev, "id %d out of range\n", pdev->id); - return -EINVAL; - } - - i2s = &s3c64xx_i2s[pdev->id]; - dai = &s3c64xx_i2s_dai[pdev->id]; - dai->dev = &pdev->dev; - dai->name = "s3c64xx-i2s"; - dai->id = pdev->id; - 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_i2s_probe; - dai->ops = &s3c64xx_i2s_dai_ops; - - i2s->feature |= S3C_FEATURE_CDCLKCON; - - i2s->dma_capture = &s3c64xx_i2s_pcm_stereo_in[pdev->id]; - i2s->dma_playback = &s3c64xx_i2s_pcm_stereo_out[pdev->id]; - - if (pdev->id == 0) { - i2s->dma_capture->channel = DMACH_I2S0_IN; - i2s->dma_capture->dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISRXD; - i2s->dma_playback->channel = DMACH_I2S0_OUT; - i2s->dma_playback->dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISTXD; - } else { - i2s->dma_capture->channel = DMACH_I2S1_IN; - i2s->dma_capture->dma_addr = S3C64XX_PA_IIS1 + S3C2412_IISRXD; - i2s->dma_playback->channel = DMACH_I2S1_OUT; - i2s->dma_playback->dma_addr = S3C64XX_PA_IIS1 + 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_iis_dev_remove(struct platform_device *pdev) -{ - dev_err(&pdev->dev, "Device removal not yet supported\n"); - return 0; -} - -static struct platform_driver s3c64xx_iis_driver = { - .probe = s3c64xx_iis_dev_probe, - .remove = s3c64xx_iis_dev_remove, - .driver = { - .name = "s3c64xx-iis", - .owner = THIS_MODULE, - }, -}; - -static int __init s3c64xx_i2s_init(void) -{ - return platform_driver_register(&s3c64xx_iis_driver); -} -module_init(s3c64xx_i2s_init); - -static void __exit s3c64xx_i2s_exit(void) -{ - platform_driver_unregister(&s3c64xx_iis_driver); -} -module_exit(s3c64xx_i2s_exit); - -/* Module information */ -MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>"); -MODULE_DESCRIPTION("S3C64XX I2S SoC Interface"); -MODULE_LICENSE("GPL"); |