From ee7d476714464206317d4420d67e3bfa0308448d Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 6 Mar 2009 18:04:34 +0000 Subject: ASoC: Re-remove hand-rolled pr_debug() macros The recent set of S3C64xx patches re-added a lot of uses of DBG() that had previously been removed - revert this so the standard pr_debug() macro is used. Signed-off-by: Mark Brown --- sound/soc/s3c24xx/neo1973_wm8753.c | 44 ++++++++++++++-------------------- sound/soc/s3c24xx/s3c-i2s-v2.c | 49 ++++++++++++++++---------------------- sound/soc/s3c24xx/s3c2412-i2s.c | 12 +++------- sound/soc/s3c24xx/s3c24xx-i2s.c | 49 ++++++++++++++++---------------------- sound/soc/s3c24xx/s3c24xx-pcm.c | 45 +++++++++++++++------------------- 5 files changed, 82 insertions(+), 117 deletions(-) (limited to 'sound/soc') diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c index 74573352718..5f6aeec0437 100644 --- a/sound/soc/s3c24xx/neo1973_wm8753.c +++ b/sound/soc/s3c24xx/neo1973_wm8753.c @@ -40,14 +40,6 @@ #include "s3c24xx-pcm.h" #include "s3c24xx-i2s.h" -/* Debugging stuff */ -#define S3C24XX_SOC_NEO1973_WM8753_DEBUG 0 -#if S3C24XX_SOC_NEO1973_WM8753_DEBUG -#define DBG(x...) printk(KERN_DEBUG "s3c24xx-soc-neo1973-wm8753: " x) -#else -#define DBG(x...) -#endif - /* define the scenarios */ #define NEO_AUDIO_OFF 0 #define NEO_GSM_CALL_AUDIO_HANDSET 1 @@ -72,7 +64,7 @@ static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream, int ret = 0; unsigned long iis_clkrate; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); iis_clkrate = s3c24xx_i2s_get_clockrate(); @@ -158,7 +150,7 @@ static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream) struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); /* disable the PLL */ return snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, 0); @@ -181,7 +173,7 @@ static int neo1973_voice_hw_params(struct snd_pcm_substream *substream, int ret = 0; unsigned long iis_clkrate; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); iis_clkrate = s3c24xx_i2s_get_clockrate(); @@ -224,7 +216,7 @@ static int neo1973_voice_hw_free(struct snd_pcm_substream *substream) struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); /* disable the PLL */ return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0); @@ -246,7 +238,7 @@ static int neo1973_get_scenario(struct snd_kcontrol *kcontrol, static int set_scenario_endpoints(struct snd_soc_codec *codec, int scenario) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); switch (neo1973_scenario) { case NEO_AUDIO_OFF: @@ -330,7 +322,7 @@ static int neo1973_set_scenario(struct snd_kcontrol *kcontrol, { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); if (neo1973_scenario == ucontrol->value.integer.value[0]) return 0; @@ -344,7 +336,7 @@ static u8 lm4857_regs[4] = {0x00, 0x40, 0x80, 0xC0}; static void lm4857_write_regs(void) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); if (i2c_master_send(i2c, lm4857_regs, 4) != 4) printk(KERN_ERR "lm4857: i2c write failed\n"); @@ -357,7 +349,7 @@ static int lm4857_get_reg(struct snd_kcontrol *kcontrol, int shift = (kcontrol->private_value >> 8) & 0x0F; int mask = (kcontrol->private_value >> 16) & 0xFF; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); ucontrol->value.integer.value[0] = (lm4857_regs[reg] >> shift) & mask; return 0; @@ -385,7 +377,7 @@ static int lm4857_get_mode(struct snd_kcontrol *kcontrol, { u8 value = lm4857_regs[LM4857_CTRL] & 0x0F; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); if (value) value -= 5; @@ -399,7 +391,7 @@ static int lm4857_set_mode(struct snd_kcontrol *kcontrol, { u8 value = ucontrol->value.integer.value[0]; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); if (value) value += 5; @@ -508,7 +500,7 @@ static int neo1973_wm8753_init(struct snd_soc_codec *codec) { int i, err; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); /* set up NC codec pins */ snd_soc_dapm_nc_pin(codec, "LOUT2"); @@ -593,7 +585,7 @@ static struct snd_soc_device neo1973_snd_devdata = { static int lm4857_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); i2c = client; @@ -603,7 +595,7 @@ static int lm4857_i2c_probe(struct i2c_client *client, static int lm4857_i2c_remove(struct i2c_client *client) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); i2c = NULL; @@ -614,7 +606,7 @@ static u8 lm4857_state; static int lm4857_suspend(struct i2c_client *dev, pm_message_t state) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); dev_dbg(&dev->dev, "lm4857_suspend\n"); lm4857_state = lm4857_regs[LM4857_CTRL] & 0xf; @@ -627,7 +619,7 @@ static int lm4857_suspend(struct i2c_client *dev, pm_message_t state) static int lm4857_resume(struct i2c_client *dev) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); if (lm4857_state) { lm4857_regs[LM4857_CTRL] |= (lm4857_state & 0x0f); @@ -638,7 +630,7 @@ static int lm4857_resume(struct i2c_client *dev) static void lm4857_shutdown(struct i2c_client *dev) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); dev_dbg(&dev->dev, "lm4857_shutdown\n"); lm4857_regs[LM4857_CTRL] &= 0xf0; @@ -669,7 +661,7 @@ static int __init neo1973_init(void) { int ret; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); if (!machine_is_neo1973_gta01()) { printk(KERN_INFO @@ -700,7 +692,7 @@ static int __init neo1973_init(void) static void __exit neo1973_exit(void) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); i2c_del_driver(&lm4857_i2c_driver); platform_device_unregister(neo1973_snd_device); diff --git a/sound/soc/s3c24xx/s3c-i2s-v2.c b/sound/soc/s3c24xx/s3c-i2s-v2.c index 43262e1e8f9..b7b8e47ae36 100644 --- a/sound/soc/s3c24xx/s3c-i2s-v2.c +++ b/sound/soc/s3c24xx/s3c-i2s-v2.c @@ -38,13 +38,6 @@ #include "s3c-i2s-v2.h" #define S3C2412_I2S_DEBUG_CON 0 -#define S3C2412_I2S_DEBUG 0 - -#if S3C2412_I2S_DEBUG -#define DBG(x...) printk(KERN_INFO x) -#else -#define DBG(x...) do { } while (0) -#endif static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai) { @@ -87,13 +80,13 @@ void s3c2412_snd_txctrl(struct s3c_i2sv2_info *i2s, int on) void __iomem *regs = i2s->regs; u32 fic, con, mod; - DBG("%s(%d)\n", __func__, on); + pr_debug("%s(%d)\n", __func__, on); fic = readl(regs + S3C2412_IISFIC); con = readl(regs + S3C2412_IISCON); mod = readl(regs + S3C2412_IISMOD); - DBG("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic); + pr_debug("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic); if (on) { con |= S3C2412_IISCON_TXDMA_ACTIVE | S3C2412_IISCON_IIS_ACTIVE; @@ -148,7 +141,7 @@ void s3c2412_snd_txctrl(struct s3c_i2sv2_info *i2s, int on) fic = readl(regs + S3C2412_IISFIC); dbg_showcon(__func__, con); - DBG("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic); + pr_debug("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic); } EXPORT_SYMBOL_GPL(s3c2412_snd_txctrl); @@ -157,13 +150,13 @@ void s3c2412_snd_rxctrl(struct s3c_i2sv2_info *i2s, int on) void __iomem *regs = i2s->regs; u32 fic, con, mod; - DBG("%s(%d)\n", __func__, on); + pr_debug("%s(%d)\n", __func__, on); fic = readl(regs + S3C2412_IISFIC); con = readl(regs + S3C2412_IISCON); mod = readl(regs + S3C2412_IISMOD); - DBG("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic); + pr_debug("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic); if (on) { con |= S3C2412_IISCON_RXDMA_ACTIVE | S3C2412_IISCON_IIS_ACTIVE; @@ -214,7 +207,7 @@ void s3c2412_snd_rxctrl(struct s3c_i2sv2_info *i2s, int on) } fic = readl(regs + S3C2412_IISFIC); - DBG("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic); + pr_debug("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic); } EXPORT_SYMBOL_GPL(s3c2412_snd_rxctrl); @@ -227,7 +220,7 @@ static int s3c2412_snd_lrsync(struct s3c_i2sv2_info *i2s) u32 iiscon; unsigned long timeout = jiffies + msecs_to_jiffies(5); - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); while (1) { iiscon = readl(i2s->regs + S3C2412_IISCON); @@ -252,10 +245,10 @@ static int s3c2412_i2s_set_fmt(struct snd_soc_dai *cpu_dai, struct s3c_i2sv2_info *i2s = to_info(cpu_dai); u32 iismod; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); iismod = readl(i2s->regs + S3C2412_IISMOD); - DBG("hw_params r: IISMOD: %x \n", iismod); + pr_debug("hw_params r: IISMOD: %x \n", iismod); #if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) #define IISMOD_MASTER_MASK S3C2412_IISMOD_MASTER_MASK @@ -288,7 +281,7 @@ static int s3c2412_i2s_set_fmt(struct snd_soc_dai *cpu_dai, iismod |= IISMOD_MASTER; break; default: - DBG("unknwon master/slave format\n"); + pr_debug("unknwon master/slave format\n"); return -EINVAL; } @@ -305,12 +298,12 @@ static int s3c2412_i2s_set_fmt(struct snd_soc_dai *cpu_dai, iismod |= S3C2412_IISMOD_SDF_IIS; break; default: - DBG("Unknown data format\n"); + pr_debug("Unknown data format\n"); return -EINVAL; } writel(iismod, i2s->regs + S3C2412_IISMOD); - DBG("hw_params w: IISMOD: %x \n", iismod); + pr_debug("hw_params w: IISMOD: %x \n", iismod); return 0; } @@ -323,7 +316,7 @@ static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream, struct s3c_i2sv2_info *i2s = to_info(dai->cpu_dai); u32 iismod; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) dai->cpu_dai->dma_data = i2s->dma_playback; @@ -332,7 +325,7 @@ static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream, /* Working copies of register */ iismod = readl(i2s->regs + S3C2412_IISMOD); - DBG("%s: r: IISMOD: %x\n", __func__, iismod); + pr_debug("%s: r: IISMOD: %x\n", __func__, iismod); switch (params_format(params)) { case SNDRV_PCM_FORMAT_S8: @@ -344,7 +337,7 @@ static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream, } writel(iismod, i2s->regs + S3C2412_IISMOD); - DBG("%s: w: IISMOD: %x\n", __func__, iismod); + pr_debug("%s: w: IISMOD: %x\n", __func__, iismod); return 0; } @@ -357,7 +350,7 @@ static int s3c2412_i2s_trigger(struct snd_pcm_substream *substream, int cmd, unsigned long irqs; int ret = 0; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); switch (cmd) { case SNDRV_PCM_TRIGGER_START: @@ -417,7 +410,7 @@ static int s3c2412_i2s_set_clkdiv(struct snd_soc_dai *cpu_dai, struct s3c_i2sv2_info *i2s = to_info(cpu_dai); u32 reg; - DBG("%s(%p, %d, %d)\n", __func__, cpu_dai, div_id, div); + pr_debug("%s(%p, %d, %d)\n", __func__, cpu_dai, div_id, div); switch (div_id) { case S3C_I2SV2_DIV_BCLK: @@ -425,7 +418,7 @@ static int s3c2412_i2s_set_clkdiv(struct snd_soc_dai *cpu_dai, reg &= ~S3C2412_IISMOD_BCLK_MASK; writel(reg | div, i2s->regs + S3C2412_IISMOD); - DBG("%s: MOD=%08x\n", __func__, readl(i2s->regs + S3C2412_IISMOD)); + pr_debug("%s: MOD=%08x\n", __func__, readl(i2s->regs + S3C2412_IISMOD)); break; case S3C_I2SV2_DIV_RCLK: @@ -457,7 +450,7 @@ static int s3c2412_i2s_set_clkdiv(struct snd_soc_dai *cpu_dai, reg = readl(i2s->regs + S3C2412_IISMOD); reg &= ~S3C2412_IISMOD_RCLK_MASK; writel(reg | div, i2s->regs + S3C2412_IISMOD); - DBG("%s: MOD=%08x\n", __func__, readl(i2s->regs + S3C2412_IISMOD)); + pr_debug("%s: MOD=%08x\n", __func__, readl(i2s->regs + S3C2412_IISMOD)); break; case S3C_I2SV2_DIV_PRESCALER: @@ -467,7 +460,7 @@ static int s3c2412_i2s_set_clkdiv(struct snd_soc_dai *cpu_dai, } else { writel(0x0, i2s->regs + S3C2412_IISPSR); } - DBG("%s: PSR=%08x\n", __func__, readl(i2s->regs + S3C2412_IISPSR)); + pr_debug("%s: PSR=%08x\n", __func__, readl(i2s->regs + S3C2412_IISPSR)); break; default: @@ -560,7 +553,7 @@ int s3c_i2sv2_probe(struct platform_device *pdev, i2s->iis_pclk = clk_get(dev, "iis"); if (i2s->iis_pclk == NULL) { - DBG("failed to get iis_clock\n"); + pr_debug("failed to get iis_clock\n"); iounmap(i2s->regs); return -ENOENT; } diff --git a/sound/soc/s3c24xx/s3c2412-i2s.c b/sound/soc/s3c24xx/s3c2412-i2s.c index 5099d939667..1ceae690d01 100644 --- a/sound/soc/s3c24xx/s3c2412-i2s.c +++ b/sound/soc/s3c24xx/s3c2412-i2s.c @@ -42,12 +42,6 @@ #define S3C2412_I2S_DEBUG 0 -#if S3C2412_I2S_DEBUG -#define DBG(x...) printk(KERN_INFO x) -#else -#define DBG(x...) do { } while (0) -#endif - static struct s3c2410_dma_client s3c2412_dma_client_out = { .name = "I2S PCM Stereo out" }; @@ -80,7 +74,7 @@ static int s3c2412_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, { u32 iismod = readl(s3c2412_i2s.regs + S3C2412_IISMOD); - DBG("%s(%p, %d, %u, %d)\n", __func__, cpu_dai, clk_id, + pr_debug("%s(%p, %d, %u, %d)\n", __func__, cpu_dai, clk_id, freq, dir); switch (clk_id) { @@ -115,7 +109,7 @@ static int s3c2412_i2s_probe(struct platform_device *pdev, { int ret; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); ret = s3c_i2sv2_probe(pdev, dai, &s3c2412_i2s, S3C2410_PA_IIS); if (ret) @@ -126,7 +120,7 @@ static int s3c2412_i2s_probe(struct platform_device *pdev, s3c2412_i2s.iis_cclk = clk_get(&pdev->dev, "i2sclk"); if (s3c2412_i2s.iis_cclk == NULL) { - DBG("failed to get i2sclk clock\n"); + pr_debug("failed to get i2sclk clock\n"); iounmap(s3c2412_i2s.regs); return -ENODEV; } diff --git a/sound/soc/s3c24xx/s3c24xx-i2s.c b/sound/soc/s3c24xx/s3c24xx-i2s.c index c0c6ec1536b..2fbead33b7c 100644 --- a/sound/soc/s3c24xx/s3c24xx-i2s.c +++ b/sound/soc/s3c24xx/s3c24xx-i2s.c @@ -39,13 +39,6 @@ #include "s3c24xx-pcm.h" #include "s3c24xx-i2s.h" -#define S3C24XX_I2S_DEBUG 0 -#if S3C24XX_I2S_DEBUG -#define DBG(x...) printk(KERN_DEBUG "s3c24xx-i2s: " x) -#else -#define DBG(x...) -#endif - static struct s3c2410_dma_client s3c24xx_dma_client_out = { .name = "I2S PCM Stereo out" }; @@ -84,13 +77,13 @@ static void s3c24xx_snd_txctrl(int on) u32 iiscon; u32 iismod; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON); iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); - DBG("r: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); + pr_debug("r: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); if (on) { iisfcon |= S3C2410_IISFCON_TXDMA | S3C2410_IISFCON_TXENABLE; @@ -120,7 +113,7 @@ static void s3c24xx_snd_txctrl(int on) writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); } - DBG("w: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); + pr_debug("w: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); } static void s3c24xx_snd_rxctrl(int on) @@ -129,13 +122,13 @@ static void s3c24xx_snd_rxctrl(int on) u32 iiscon; u32 iismod; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON); iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); - DBG("r: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); + pr_debug("r: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); if (on) { iisfcon |= S3C2410_IISFCON_RXDMA | S3C2410_IISFCON_RXENABLE; @@ -165,7 +158,7 @@ static void s3c24xx_snd_rxctrl(int on) writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); } - DBG("w: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); + pr_debug("w: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); } /* @@ -177,7 +170,7 @@ static int s3c24xx_snd_lrsync(void) u32 iiscon; int timeout = 50; /* 5ms */ - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); while (1) { iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); @@ -197,7 +190,7 @@ static int s3c24xx_snd_lrsync(void) */ static inline int s3c24xx_snd_is_clkmaster(void) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); return (readl(s3c24xx_i2s.regs + S3C2410_IISMOD) & S3C2410_IISMOD_SLAVE) ? 0:1; } @@ -210,10 +203,10 @@ static int s3c24xx_i2s_set_fmt(struct snd_soc_dai *cpu_dai, { u32 iismod; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); - DBG("hw_params r: IISMOD: %lx \n", iismod); + pr_debug("hw_params r: IISMOD: %lx \n", iismod); switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBM_CFM: @@ -238,7 +231,7 @@ static int s3c24xx_i2s_set_fmt(struct snd_soc_dai *cpu_dai, } writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); - DBG("hw_params w: IISMOD: %lx \n", iismod); + pr_debug("hw_params w: IISMOD: %lx \n", iismod); return 0; } @@ -249,7 +242,7 @@ static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_soc_pcm_runtime *rtd = substream->private_data; u32 iismod; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) rtd->dai->cpu_dai->dma_data = &s3c24xx_i2s_pcm_stereo_out; @@ -258,7 +251,7 @@ static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream, /* Working copies of register */ iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); - DBG("hw_params r: IISMOD: %lx\n", iismod); + pr_debug("hw_params r: IISMOD: %lx\n", iismod); switch (params_format(params)) { case SNDRV_PCM_FORMAT_S8: @@ -276,7 +269,7 @@ static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream, } writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); - DBG("hw_params w: IISMOD: %lx\n", iismod); + pr_debug("hw_params w: IISMOD: %lx\n", iismod); return 0; } @@ -285,7 +278,7 @@ static int s3c24xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd, { int ret = 0; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); switch (cmd) { case SNDRV_PCM_TRIGGER_START: @@ -327,7 +320,7 @@ static int s3c24xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, { u32 iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); iismod &= ~S3C2440_IISMOD_MPLL; @@ -353,7 +346,7 @@ static int s3c24xx_i2s_set_clkdiv(struct snd_soc_dai *cpu_dai, { u32 reg; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); switch (div_id) { case S3C24XX_DIV_BCLK: @@ -389,7 +382,7 @@ EXPORT_SYMBOL_GPL(s3c24xx_i2s_get_clockrate); static int s3c24xx_i2s_probe(struct platform_device *pdev, struct snd_soc_dai *dai) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); s3c24xx_i2s.regs = ioremap(S3C2410_PA_IIS, 0x100); if (s3c24xx_i2s.regs == NULL) @@ -397,7 +390,7 @@ static int s3c24xx_i2s_probe(struct platform_device *pdev, s3c24xx_i2s.iis_clk = clk_get(&pdev->dev, "iis"); if (s3c24xx_i2s.iis_clk == NULL) { - DBG("failed to get iis_clock\n"); + pr_debug("failed to get iis_clock\n"); iounmap(s3c24xx_i2s.regs); return -ENODEV; } @@ -421,7 +414,7 @@ static int s3c24xx_i2s_probe(struct platform_device *pdev, #ifdef CONFIG_PM static int s3c24xx_i2s_suspend(struct snd_soc_dai *cpu_dai) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); s3c24xx_i2s.iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); s3c24xx_i2s.iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); @@ -435,7 +428,7 @@ static int s3c24xx_i2s_suspend(struct snd_soc_dai *cpu_dai) static int s3c24xx_i2s_resume(struct snd_soc_dai *cpu_dai) { - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); clk_enable(s3c24xx_i2s.iis_clk); writel(s3c24xx_i2s.iiscon, s3c24xx_i2s.regs + S3C2410_IISCON); diff --git a/sound/soc/s3c24xx/s3c24xx-pcm.c b/sound/soc/s3c24xx/s3c24xx-pcm.c index 5c96c1ed629..269f5c8e7ca 100644 --- a/sound/soc/s3c24xx/s3c24xx-pcm.c +++ b/sound/soc/s3c24xx/s3c24xx-pcm.c @@ -33,13 +33,6 @@ #include "s3c24xx-pcm.h" -#define S3C24XX_PCM_DEBUG 0 -#if S3C24XX_PCM_DEBUG -#define DBG(x...) printk(KERN_DEBUG "s3c24xx-pcm: " x) -#else -#define DBG(x...) -#endif - static const struct snd_pcm_hardware s3c24xx_pcm_hardware = { .info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | @@ -84,16 +77,16 @@ static void s3c24xx_pcm_enqueue(struct snd_pcm_substream *substream) dma_addr_t pos = prtd->dma_pos; int ret; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); while (prtd->dma_loaded < prtd->dma_limit) { unsigned long len = prtd->dma_period; - DBG("dma_loaded: %d\n", prtd->dma_loaded); + pr_debug("dma_loaded: %d\n", prtd->dma_loaded); if ((pos + len) > prtd->dma_end) { len = prtd->dma_end - pos; - DBG(KERN_DEBUG "%s: corrected dma len %ld\n", + pr_debug(KERN_DEBUG "%s: corrected dma len %ld\n", __func__, len); } @@ -119,7 +112,7 @@ static void s3c24xx_audio_buffdone(struct s3c2410_dma_chan *channel, struct snd_pcm_substream *substream = dev_id; struct s3c24xx_runtime_data *prtd; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); if (result == S3C2410_RES_ABORT || result == S3C2410_RES_ERR) return; @@ -148,7 +141,7 @@ static int s3c24xx_pcm_hw_params(struct snd_pcm_substream *substream, unsigned long totbytes = params_buffer_bytes(params); int ret = 0; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); /* return if this is a bufferless transfer e.g. * codec <--> BT codec or GSM modem -- lg FIXME */ @@ -161,14 +154,14 @@ static int s3c24xx_pcm_hw_params(struct snd_pcm_substream *substream, /* prepare DMA */ prtd->params = dma; - DBG("params %p, client %p, channel %d\n", prtd->params, + pr_debug("params %p, client %p, channel %d\n", prtd->params, prtd->params->client, prtd->params->channel); ret = s3c2410_dma_request(prtd->params->channel, prtd->params->client, NULL); if (ret < 0) { - DBG(KERN_ERR "failed to get dma channel\n"); + pr_debug(KERN_ERR "failed to get dma channel\n"); return ret; } } @@ -196,7 +189,7 @@ static int s3c24xx_pcm_hw_free(struct snd_pcm_substream *substream) { struct s3c24xx_runtime_data *prtd = substream->runtime->private_data; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); /* TODO - do we need to ensure DMA flushed */ snd_pcm_set_runtime_buffer(substream, NULL); @@ -214,7 +207,7 @@ static int s3c24xx_pcm_prepare(struct snd_pcm_substream *substream) struct s3c24xx_runtime_data *prtd = substream->runtime->private_data; int ret = 0; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); /* return if this is a bufferless transfer e.g. * codec <--> BT codec or GSM modem -- lg FIXME */ @@ -259,7 +252,7 @@ static int s3c24xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) struct s3c24xx_runtime_data *prtd = substream->runtime->private_data; int ret = 0; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); spin_lock(&prtd->lock); @@ -297,7 +290,7 @@ s3c24xx_pcm_pointer(struct snd_pcm_substream *substream) unsigned long res; dma_addr_t src, dst; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); spin_lock(&prtd->lock); s3c2410_dma_getposition(prtd->params->channel, &src, &dst); @@ -309,7 +302,7 @@ s3c24xx_pcm_pointer(struct snd_pcm_substream *substream) spin_unlock(&prtd->lock); - DBG("Pointer %x %x\n", src, dst); + pr_debug("Pointer %x %x\n", src, dst); /* we seem to be getting the odd error from the pcm library due * to out-of-bounds pointers. this is maybe due to the dma engine @@ -330,7 +323,7 @@ static int s3c24xx_pcm_open(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct s3c24xx_runtime_data *prtd; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); snd_soc_set_runtime_hwparams(substream, &s3c24xx_pcm_hardware); @@ -349,10 +342,10 @@ static int s3c24xx_pcm_close(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct s3c24xx_runtime_data *prtd = runtime->private_data; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); if (!prtd) - DBG("s3c24xx_pcm_close called with prtd == NULL\n"); + pr_debug("s3c24xx_pcm_close called with prtd == NULL\n"); kfree(prtd); @@ -364,7 +357,7 @@ static int s3c24xx_pcm_mmap(struct snd_pcm_substream *substream, { struct snd_pcm_runtime *runtime = substream->runtime; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); return dma_mmap_writecombine(substream->pcm->card->dev, vma, runtime->dma_area, @@ -390,7 +383,7 @@ static int s3c24xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) struct snd_dma_buffer *buf = &substream->dma_buffer; size_t size = s3c24xx_pcm_hardware.buffer_bytes_max; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); buf->dev.type = SNDRV_DMA_TYPE_DEV; buf->dev.dev = pcm->card->dev; @@ -409,7 +402,7 @@ static void s3c24xx_pcm_free_dma_buffers(struct snd_pcm *pcm) struct snd_dma_buffer *buf; int stream; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); for (stream = 0; stream < 2; stream++) { substream = pcm->streams[stream].substream; @@ -433,7 +426,7 @@ static int s3c24xx_pcm_new(struct snd_card *card, { int ret = 0; - DBG("Entered %s\n", __func__); + pr_debug("Entered %s\n", __func__); if (!card->dev->dma_mask) card->dev->dma_mask = &s3c24xx_pcm_dmamask; -- cgit v1.2.3 From b52a5195efd6173c06107ca5beb44389130596dc Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 6 Mar 2009 18:13:43 +0000 Subject: ASoC: Fix logging severity for some S3C error messages Upgrade the severity of some failure messages from debug level so they're displayed by default. Signed-off-by: Mark Brown --- sound/soc/s3c24xx/s3c-i2s-v2.c | 2 +- sound/soc/s3c24xx/s3c24xx-i2s.c | 2 +- sound/soc/s3c24xx/s3c24xx-pcm.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'sound/soc') diff --git a/sound/soc/s3c24xx/s3c-i2s-v2.c b/sound/soc/s3c24xx/s3c-i2s-v2.c index b7b8e47ae36..295a4c91026 100644 --- a/sound/soc/s3c24xx/s3c-i2s-v2.c +++ b/sound/soc/s3c24xx/s3c-i2s-v2.c @@ -553,7 +553,7 @@ int s3c_i2sv2_probe(struct platform_device *pdev, i2s->iis_pclk = clk_get(dev, "iis"); if (i2s->iis_pclk == NULL) { - pr_debug("failed to get iis_clock\n"); + dev_err(dev, "failed to get iis_clock\n"); iounmap(i2s->regs); return -ENOENT; } diff --git a/sound/soc/s3c24xx/s3c24xx-i2s.c b/sound/soc/s3c24xx/s3c24xx-i2s.c index 2fbead33b7c..580cfed71cc 100644 --- a/sound/soc/s3c24xx/s3c24xx-i2s.c +++ b/sound/soc/s3c24xx/s3c24xx-i2s.c @@ -390,7 +390,7 @@ static int s3c24xx_i2s_probe(struct platform_device *pdev, s3c24xx_i2s.iis_clk = clk_get(&pdev->dev, "iis"); if (s3c24xx_i2s.iis_clk == NULL) { - pr_debug("failed to get iis_clock\n"); + pr_err("failed to get iis_clock\n"); iounmap(s3c24xx_i2s.regs); return -ENODEV; } diff --git a/sound/soc/s3c24xx/s3c24xx-pcm.c b/sound/soc/s3c24xx/s3c24xx-pcm.c index 269f5c8e7ca..a9d68fa2b34 100644 --- a/sound/soc/s3c24xx/s3c24xx-pcm.c +++ b/sound/soc/s3c24xx/s3c24xx-pcm.c @@ -161,7 +161,7 @@ static int s3c24xx_pcm_hw_params(struct snd_pcm_substream *substream, prtd->params->client, NULL); if (ret < 0) { - pr_debug(KERN_ERR "failed to get dma channel\n"); + printk(KERN_ERR "failed to get dma channel\n"); return ret; } } -- cgit v1.2.3 From 96deff6baf55da68b4b9b4dfe8ef572c6f1835fd Mon Sep 17 00:00:00 2001 From: Hugo Villeneuve Date: Fri, 6 Mar 2009 15:56:53 -0500 Subject: ASoC: Davinci: Fix incorrect machine type for SFFSDR board Signed-off-by: Hugo Villeneuve Signed-off-by: Mark Brown --- sound/soc/davinci/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'sound/soc') diff --git a/sound/soc/davinci/Kconfig b/sound/soc/davinci/Kconfig index b502741692d..bd7392c9657 100644 --- a/sound/soc/davinci/Kconfig +++ b/sound/soc/davinci/Kconfig @@ -20,7 +20,7 @@ config SND_DAVINCI_SOC_EVM config SND_DAVINCI_SOC_SFFSDR tristate "SoC Audio support for SFFSDR" - depends on SND_DAVINCI_SOC && MACH_DAVINCI_SFFSDR + depends on SND_DAVINCI_SOC && MACH_SFFSDR select SND_DAVINCI_SOC_I2S select SND_SOC_PCM3008 select SFFSDR_FPGA -- cgit v1.2.3 From 3a638ff272744247aad4a75b1fac174ac5746114 Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Fri, 6 Mar 2009 18:39:34 -0600 Subject: ASoC: Improve pause/unpause performance in Freescale 8610 drivers Add support for true pause and unpause. Without this, mplayer will drop some audio (less than one second, but still noticeable) when pausing playback. Remove support for PM suspend and resume from the trigger function, since the driver doesn't support PM anyway. Optimize the delay after starting capture. Instead of delaying 1ms, the driver now polls the hardware. The new delay is shorter by over 90% yet still effective. Signed-off-by: Timur Tabi Signed-off-by: Mark Brown --- sound/soc/fsl/fsl_dma.c | 3 ++- sound/soc/fsl/fsl_ssi.c | 23 ++++++++++++++--------- 2 files changed, 16 insertions(+), 10 deletions(-) (limited to 'sound/soc') diff --git a/sound/soc/fsl/fsl_dma.c b/sound/soc/fsl/fsl_dma.c index 58a3fa49750..b3eb8570cd7 100644 --- a/sound/soc/fsl/fsl_dma.c +++ b/sound/soc/fsl/fsl_dma.c @@ -142,7 +142,8 @@ static const struct snd_pcm_hardware fsl_dma_hardware = { .info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_JOINT_DUPLEX, + SNDRV_PCM_INFO_JOINT_DUPLEX | + SNDRV_PCM_INFO_PAUSE, .formats = FSLDMA_PCM_FORMATS, .rates = FSLDMA_PCM_RATES, .rate_min = 5512, diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 8cb6bcf2c00..b7733e6be19 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -464,28 +464,33 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd, switch (cmd) { case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_RESUME: + clrbits32(&ssi->scr, CCSR_SSI_SCR_SSIEN); case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - clrbits32(&ssi->scr, CCSR_SSI_SCR_SSIEN); setbits32(&ssi->scr, CCSR_SSI_SCR_SSIEN | CCSR_SSI_SCR_TE); } else { - clrbits32(&ssi->scr, CCSR_SSI_SCR_SSIEN); + long timeout = jiffies + 10; + setbits32(&ssi->scr, CCSR_SSI_SCR_SSIEN | CCSR_SSI_SCR_RE); - /* - * I think we need this delay to allow time for the SSI - * to put data into its FIFO. Without it, ALSA starts - * to complain about overruns. + /* Wait until the SSI has filled its FIFO. Without this + * delay, ALSA complains about overruns. When the FIFO + * is full, the DMA controller initiates its first + * transfer. Until then, however, the DMA's DAR + * register is zero, which translates to an + * out-of-bounds pointer. This makes ALSA think an + * overrun has occurred. */ - mdelay(1); + while (!(in_be32(&ssi->sisr) & CCSR_SSI_SISR_RFF0) && + (jiffies < timeout)); + if (!(in_be32(&ssi->sisr) & CCSR_SSI_SISR_RFF0)) + return -EIO; } break; case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) clrbits32(&ssi->scr, CCSR_SSI_SCR_TE); -- cgit v1.2.3 From b191f63c4fe9fbcfe583180228080d02b8dcdebc Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Sun, 8 Mar 2009 17:51:52 +0100 Subject: ASoC: bring cs4270 feature/limitations list in sync Removes numbers from the list of features/limitations and makes it reflect recent changes to the code. Signed-off-by: Daniel Mack Acked-by: Timur Tabi Signed-off-by: Mark Brown --- sound/soc/codecs/cs4270.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) (limited to 'sound/soc') diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c index f86f33cc179..0e0c23ee6af 100644 --- a/sound/soc/codecs/cs4270.c +++ b/sound/soc/codecs/cs4270.c @@ -12,14 +12,13 @@ * * Current features/limitations: * - * 1) Software mode is supported. Stand-alone mode is not supported. - * 2) Only I2C is supported, not SPI - * 3) Only Master mode is supported, not Slave. - * 4) The machine driver's 'startup' function must call - * cs4270_set_dai_sysclk() with the value of MCLK. - * 5) Only I2S and left-justified modes are supported - * 6) Power management is not supported - * 7) The only supported control is volume and hardware mute (if enabled) + * - Software mode is supported. Stand-alone mode is not supported. + * - Only I2C is supported, not SPI + * - Support for master and slave mode + * - The machine driver's 'startup' function must call + * cs4270_set_dai_sysclk() with the value of MCLK. + * - Only I2S and left-justified modes are supported + * - Power management is not supported */ #include -- cgit v1.2.3 From 055a49b0c92c6282e7db22e9e6ebcae6cb74ebb4 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sun, 8 Mar 2009 18:57:34 +0000 Subject: ASoC: Remove unneeded forward reference to WM8753 SPI implementation Signed-off-by: Mark Brown --- sound/soc/codecs/wm8753.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'sound/soc') diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c index 7f353e935d7..1d5eca89de6 100644 --- a/sound/soc/codecs/wm8753.c +++ b/sound/soc/codecs/wm8753.c @@ -51,11 +51,6 @@ #include "wm8753.h" -#ifdef CONFIG_SPI_MASTER -static struct spi_driver wm8753_spi_driver; -static int wm8753_spi_write(struct spi_device *spi, const char *data, int len); -#endif - static int caps_charge = 2000; module_param(caps_charge, int, 0); MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)"); -- cgit v1.2.3 From a381934e5f9c0c3c292d780d61f5be9c22b2ef54 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Mon, 9 Mar 2009 02:13:17 +0100 Subject: ASoC: Add a driver for AK4104 S/PDIF transmitter This adds a driver for the SPI connected AK4104 S/PDIF transmitter device. Its features are fairly simple, but as there is need to set up certain bits in the IEC958 information, this better goes into a real driver. Signed-off-by: Daniel Mack Cc: Mark Brown Signed-off-by: Mark Brown --- sound/soc/codecs/Kconfig | 4 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/ak4104.c | 363 ++++++++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/ak4104.h | 7 + 4 files changed, 376 insertions(+) create mode 100644 sound/soc/codecs/ak4104.c create mode 100644 sound/soc/codecs/ak4104.h (limited to 'sound/soc') diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 628a591c728..a1af311e7f0 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -14,6 +14,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_AC97_CODEC if SND_SOC_AC97_BUS select SND_SOC_AD1980 if SND_SOC_AC97_BUS select SND_SOC_AD73311 if I2C + select SND_SOC_AK4104 if SPI_MASTER select SND_SOC_AK4535 if I2C select SND_SOC_CS4270 if I2C select SND_SOC_PCM3008 @@ -60,6 +61,9 @@ config SND_SOC_AD1980 config SND_SOC_AD73311 tristate +config SND_SOC_AK4104 + tristate + config SND_SOC_AK4535 tristate diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 3664cdc300b..4717c3c9904 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -1,6 +1,7 @@ snd-soc-ac97-objs := ac97.o snd-soc-ad1980-objs := ad1980.o snd-soc-ad73311-objs := ad73311.o +snd-soc-ak4104-objs := ak4104.o snd-soc-ak4535-objs := ak4535.o snd-soc-cs4270-objs := cs4270.o snd-soc-l3-objs := l3.o @@ -30,6 +31,7 @@ snd-soc-wm9713-objs := wm9713.o obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o obj-$(CONFIG_SND_SOC_AD1980) += snd-soc-ad1980.o obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o +obj-$(CONFIG_SND_SOC_AK4104) += snd-soc-ak4104.o obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o obj-$(CONFIG_SND_SOC_L3) += snd-soc-l3.o diff --git a/sound/soc/codecs/ak4104.c b/sound/soc/codecs/ak4104.c new file mode 100644 index 00000000000..338381f4fe1 --- /dev/null +++ b/sound/soc/codecs/ak4104.c @@ -0,0 +1,363 @@ +/* + * AK4104 ALSA SoC (ASoC) driver + * + * Copyright (c) 2009 Daniel Mack + * + * 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. + */ + +#include +#include +#include +#include +#include +#include + +#include "ak4104.h" + +/* AK4104 registers addresses */ +#define AK4104_REG_CONTROL1 0x00 +#define AK4104_REG_RESERVED 0x01 +#define AK4104_REG_CONTROL2 0x02 +#define AK4104_REG_TX 0x03 +#define AK4104_REG_CHN_STATUS(x) ((x) + 0x04) +#define AK4104_NUM_REGS 10 + +#define AK4104_REG_MASK 0x1f +#define AK4104_READ 0xc0 +#define AK4104_WRITE 0xe0 +#define AK4104_RESERVED_VAL 0x5b + +/* Bit masks for AK4104 registers */ +#define AK4104_CONTROL1_RSTN (1 << 0) +#define AK4104_CONTROL1_PW (1 << 1) +#define AK4104_CONTROL1_DIF0 (1 << 2) +#define AK4104_CONTROL1_DIF1 (1 << 3) + +#define AK4104_CONTROL2_SEL0 (1 << 0) +#define AK4104_CONTROL2_SEL1 (1 << 1) +#define AK4104_CONTROL2_MODE (1 << 2) + +#define AK4104_TX_TXE (1 << 0) +#define AK4104_TX_V (1 << 1) + +#define DRV_NAME "ak4104" + +struct ak4104_private { + struct snd_soc_codec codec; + u8 reg_cache[AK4104_NUM_REGS]; +}; + +static int ak4104_fill_cache(struct snd_soc_codec *codec) +{ + int i; + u8 *reg_cache = codec->reg_cache; + struct spi_device *spi = codec->control_data; + + for (i = 0; i < codec->reg_cache_size; i++) { + int ret = spi_w8r8(spi, i | AK4104_READ); + if (ret < 0) { + dev_err(&spi->dev, "SPI write failure\n"); + return ret; + } + + reg_cache[i] = ret; + } + + return 0; +} + +static unsigned int ak4104_read_reg_cache(struct snd_soc_codec *codec, + unsigned int reg) +{ + u8 *reg_cache = codec->reg_cache; + + if (reg >= codec->reg_cache_size) + return -EINVAL; + + return reg_cache[reg]; +} + +static int ak4104_spi_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int value) +{ + u8 *cache = codec->reg_cache; + struct spi_device *spi = codec->control_data; + + if (reg >= codec->reg_cache_size) + return -EINVAL; + + reg &= AK4104_REG_MASK; + reg |= AK4104_WRITE; + + /* only write to the hardware if value has changed */ + if (cache[reg] != value) { + u8 tmp[2] = { reg, value }; + if (spi_write(spi, tmp, sizeof(tmp))) { + dev_err(&spi->dev, "SPI write failed\n"); + return -EIO; + } + + cache[reg] = value; + } + + return 0; +} + +static int ak4104_set_dai_fmt(struct snd_soc_dai *codec_dai, + unsigned int format) +{ + struct snd_soc_codec *codec = codec_dai->codec; + int val = 0; + + val = ak4104_read_reg_cache(codec, AK4104_REG_CONTROL1); + if (val < 0) + return val; + + val &= ~(AK4104_CONTROL1_DIF0 | AK4104_CONTROL1_DIF1); + + /* set DAI format */ + switch (format & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_RIGHT_J: + break; + case SND_SOC_DAIFMT_LEFT_J: + val |= AK4104_CONTROL1_DIF0; + break; + case SND_SOC_DAIFMT_I2S: + val |= AK4104_CONTROL1_DIF0 | AK4104_CONTROL1_DIF1; + break; + default: + dev_err(codec->dev, "invalid dai format\n"); + return -EINVAL; + } + + /* This device can only be slave */ + if ((format & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) + return -EINVAL; + + return ak4104_spi_write(codec, AK4104_REG_CONTROL1, val); +} + +static int ak4104_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->card->codec; + int val = 0; + + /* set the IEC958 bits: consumer mode, no copyright bit */ + val |= IEC958_AES0_CON_NOT_COPYRIGHT; + ak4104_spi_write(codec, AK4104_REG_CHN_STATUS(0), val); + + val = 0; + + switch (params_rate(params)) { + case 44100: + val |= IEC958_AES3_CON_FS_44100; + break; + case 48000: + val |= IEC958_AES3_CON_FS_48000; + break; + case 32000: + val |= IEC958_AES3_CON_FS_32000; + break; + default: + dev_err(codec->dev, "unsupported sampling rate\n"); + return -EINVAL; + } + + return ak4104_spi_write(codec, AK4104_REG_CHN_STATUS(3), val); +} + +struct snd_soc_dai ak4104_dai = { + .name = DRV_NAME, + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_32000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_3LE | + SNDRV_PCM_FMTBIT_S24_LE + }, + .ops = { + .hw_params = ak4104_hw_params, + .set_fmt = ak4104_set_dai_fmt, + } +}; + +static struct snd_soc_codec *ak4104_codec; + +static int ak4104_spi_probe(struct spi_device *spi) +{ + struct snd_soc_codec *codec; + struct ak4104_private *ak4104; + int ret, val; + + spi->bits_per_word = 8; + spi->mode = SPI_MODE_0; + ret = spi_setup(spi); + if (ret < 0) + return ret; + + ak4104 = kzalloc(sizeof(struct ak4104_private), GFP_KERNEL); + if (!ak4104) { + dev_err(&spi->dev, "could not allocate codec\n"); + return -ENOMEM; + } + + codec = &ak4104->codec; + mutex_init(&codec->mutex); + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + + codec->dev = &spi->dev; + codec->name = DRV_NAME; + codec->owner = THIS_MODULE; + codec->dai = &ak4104_dai; + codec->num_dai = 1; + codec->private_data = ak4104; + codec->control_data = spi; + codec->reg_cache = ak4104->reg_cache; + codec->reg_cache_size = AK4104_NUM_REGS; + + /* read all regs and fill the cache */ + ret = ak4104_fill_cache(codec); + if (ret < 0) { + dev_err(&spi->dev, "failed to fill register cache\n"); + return ret; + } + + /* read the 'reserved' register - according to the datasheet, it + * should contain 0x5b. Not a good way to verify the presence of + * the device, but there is no hardware ID register. */ + if (ak4104_read_reg_cache(codec, AK4104_REG_RESERVED) != + AK4104_RESERVED_VAL) { + ret = -ENODEV; + goto error_free_codec; + } + + /* set power-up and non-reset bits */ + val = ak4104_read_reg_cache(codec, AK4104_REG_CONTROL1); + val |= AK4104_CONTROL1_PW | AK4104_CONTROL1_RSTN; + ret = ak4104_spi_write(codec, AK4104_REG_CONTROL1, val); + if (ret < 0) + goto error_free_codec; + + /* enable transmitter */ + val = ak4104_read_reg_cache(codec, AK4104_REG_TX); + val |= AK4104_TX_TXE; + ret = ak4104_spi_write(codec, AK4104_REG_TX, val); + if (ret < 0) + goto error_free_codec; + + ak4104_codec = codec; + ret = snd_soc_register_dai(&ak4104_dai); + if (ret < 0) { + dev_err(&spi->dev, "failed to register DAI\n"); + goto error_free_codec; + } + + spi_set_drvdata(spi, ak4104); + dev_info(&spi->dev, "SPI device initialized\n"); + return 0; + +error_free_codec: + kfree(ak4104); + ak4104_dai.dev = NULL; + return ret; +} + +static int __devexit ak4104_spi_remove(struct spi_device *spi) +{ + int ret, val; + struct ak4104_private *ak4104 = spi_get_drvdata(spi); + + val = ak4104_read_reg_cache(&ak4104->codec, AK4104_REG_CONTROL1); + if (val < 0) + return val; + + /* clear power-up and non-reset bits */ + val &= ~(AK4104_CONTROL1_PW | AK4104_CONTROL1_RSTN); + ret = ak4104_spi_write(&ak4104->codec, AK4104_REG_CONTROL1, val); + if (ret < 0) + return ret; + + ak4104_codec = NULL; + kfree(ak4104); + return 0; +} + +static int ak4104_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = ak4104_codec; + int ret; + + /* Connect the codec to the socdev. snd_soc_new_pcms() needs this. */ + socdev->card->codec = codec; + + /* Register PCMs */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) { + dev_err(codec->dev, "failed to create pcms\n"); + return ret; + } + + /* Register the socdev */ + ret = snd_soc_init_card(socdev); + if (ret < 0) { + dev_err(codec->dev, "failed to register card\n"); + snd_soc_free_pcms(socdev); + return ret; + } + + return 0; +} + +static int ak4104_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + snd_soc_free_pcms(socdev); + return 0; +}; + +struct snd_soc_codec_device soc_codec_device_ak4104 = { + .probe = ak4104_probe, + .remove = ak4104_remove +}; +EXPORT_SYMBOL_GPL(soc_codec_device_ak4104); + +static struct spi_driver ak4104_spi_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .probe = ak4104_spi_probe, + .remove = __devexit_p(ak4104_spi_remove), +}; + +static int __init ak4104_init(void) +{ + pr_info("Asahi Kasei AK4104 ALSA SoC Codec Driver\n"); + return spi_register_driver(&ak4104_spi_driver); +} +module_init(ak4104_init); + +static void __exit ak4104_exit(void) +{ + spi_unregister_driver(&ak4104_spi_driver); +} +module_exit(ak4104_exit); + +MODULE_AUTHOR("Daniel Mack "); +MODULE_DESCRIPTION("Asahi Kasei AK4104 ALSA SoC driver"); +MODULE_LICENSE("GPL"); + diff --git a/sound/soc/codecs/ak4104.h b/sound/soc/codecs/ak4104.h new file mode 100644 index 00000000000..eb88fe7e4de --- /dev/null +++ b/sound/soc/codecs/ak4104.h @@ -0,0 +1,7 @@ +#ifndef _AK4104_H +#define _AK4104_H + +extern struct snd_soc_dai ak4104_dai; +extern struct snd_soc_codec_device soc_codec_device_ak4104; + +#endif -- cgit v1.2.3