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Diffstat (limited to 'sound/soc/s3c24xx/s3c64xx-i2s.c')
-rw-r--r--sound/soc/s3c24xx/s3c64xx-i2s.c289
1 files changed, 0 insertions, 289 deletions
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.c b/sound/soc/s3c24xx/s3c64xx-i2s.c
deleted file mode 100644
index cc7edb5f792..00000000000
--- a/sound/soc/s3c24xx/s3c64xx-i2s.c
+++ /dev/null
@@ -1,289 +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/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/kernel.h>
-#include <linux/gpio.h>
-#include <linux/io.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
-#include <sound/soc.h>
-
-#include <plat/regs-s3c2412-iis.h>
-#include <plat/gpio-bank-d.h>
-#include <plat/gpio-bank-e.h>
-#include <plat/gpio-cfg.h>
-
-#include <mach/map.h>
-#include <mach/dma.h>
-
-#include "s3c-dma.h"
-#include "s3c64xx-i2s.h"
-
-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[2] = {
- [0] = {
- .channel = DMACH_I2S0_OUT,
- .client = &s3c64xx_dma_client_out,
- .dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISTXD,
- .dma_size = 4,
- },
- [1] = {
- .channel = DMACH_I2S1_OUT,
- .client = &s3c64xx_dma_client_out,
- .dma_addr = S3C64XX_PA_IIS1 + S3C2412_IISTXD,
- .dma_size = 4,
- },
-};
-
-static struct s3c_dma_params s3c64xx_i2s_pcm_stereo_in[2] = {
- [0] = {
- .channel = DMACH_I2S0_IN,
- .client = &s3c64xx_dma_client_in,
- .dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISRXD,
- .dma_size = 4,
- },
- [1] = {
- .channel = DMACH_I2S1_IN,
- .client = &s3c64xx_dma_client_in,
- .dma_addr = S3C64XX_PA_IIS1 + S3C2412_IISRXD,
- .dma_size = 4,
- },
-};
-
-static struct s3c_i2sv2_info s3c64xx_i2s[2];
-
-static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai)
-{
- return cpu_dai->private_data;
-}
-
-static int s3c64xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai,
- int clk_id, unsigned int freq, int dir)
-{
- struct s3c_i2sv2_info *i2s = to_info(cpu_dai);
- u32 iismod = readl(i2s->regs + S3C2412_IISMOD);
-
- switch (clk_id) {
- case S3C64XX_CLKSRC_PCLK:
- iismod &= ~S3C64XX_IISMOD_IMS_SYSMUX;
- break;
-
- case S3C64XX_CLKSRC_MUX:
- iismod |= S3C64XX_IISMOD_IMS_SYSMUX;
- break;
-
- case S3C64XX_CLKSRC_CDCLK:
- switch (dir) {
- case SND_SOC_CLOCK_IN:
- iismod |= S3C64XX_IISMOD_CDCLKCON;
- break;
- case SND_SOC_CLOCK_OUT:
- iismod &= ~S3C64XX_IISMOD_CDCLKCON;
- break;
- default:
- return -EINVAL;
- }
- break;
-
- default:
- return -EINVAL;
- }
-
- writel(iismod, i2s->regs + S3C2412_IISMOD);
-
- return 0;
-}
-
-struct clk *s3c64xx_i2s_get_clock(struct snd_soc_dai *dai)
-{
- struct s3c_i2sv2_info *i2s = to_info(dai);
- u32 iismod = readl(i2s->regs + S3C2412_IISMOD);
-
- if (iismod & S3C64XX_IISMOD_IMS_SYSMUX)
- return i2s->iis_cclk;
- else
- return i2s->iis_pclk;
-}
-EXPORT_SYMBOL_GPL(s3c64xx_i2s_get_clock);
-
-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;
-}
-
-
-#define S3C64XX_I2S_RATES \
- (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
- SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
- SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
-
-#define S3C64XX_I2S_FMTS \
- (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
- SNDRV_PCM_FMTBIT_S24_LE)
-
-static struct snd_soc_dai_ops s3c64xx_i2s_dai_ops = {
- .set_sysclk = s3c64xx_i2s_set_sysclk,
-};
-
-struct snd_soc_dai s3c64xx_i2s_dai[] = {
- {
- .name = "s3c64xx-i2s",
- .id = 0,
- .probe = s3c64xx_i2s_probe,
- .playback = {
- .channels_min = 2,
- .channels_max = 2,
- .rates = S3C64XX_I2S_RATES,
- .formats = S3C64XX_I2S_FMTS,
- },
- .capture = {
- .channels_min = 2,
- .channels_max = 2,
- .rates = S3C64XX_I2S_RATES,
- .formats = S3C64XX_I2S_FMTS,
- },
- .ops = &s3c64xx_i2s_dai_ops,
- .symmetric_rates = 1,
- },
- {
- .name = "s3c64xx-i2s",
- .id = 1,
- .probe = s3c64xx_i2s_probe,
- .playback = {
- .channels_min = 2,
- .channels_max = 2,
- .rates = S3C64XX_I2S_RATES,
- .formats = S3C64XX_I2S_FMTS,
- },
- .capture = {
- .channels_min = 2,
- .channels_max = 2,
- .rates = S3C64XX_I2S_RATES,
- .formats = S3C64XX_I2S_FMTS,
- },
- .ops = &s3c64xx_i2s_dai_ops,
- .symmetric_rates = 1,
- },
-};
-EXPORT_SYMBOL_GPL(s3c64xx_i2s_dai);
-
-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 >= ARRAY_SIZE(s3c64xx_i2s)) {
- 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;
-
- i2s->dma_capture = &s3c64xx_i2s_pcm_stereo_in[pdev->id];
- i2s->dma_playback = &s3c64xx_i2s_pcm_stereo_out[pdev->id];
-
- 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");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-24 06:58:41 +0000