diff options
Diffstat (limited to 'sound/soc/s3c24xx/s3c2412-i2s.c')
-rw-r--r-- | sound/soc/s3c24xx/s3c2412-i2s.c | 77 |
1 files changed, 39 insertions, 38 deletions
diff --git a/sound/soc/s3c24xx/s3c2412-i2s.c b/sound/soc/s3c24xx/s3c2412-i2s.c index 359e59346ba2..709adef9d043 100644 --- a/sound/soc/s3c24xx/s3c2412-i2s.c +++ b/sound/soc/s3c24xx/s3c2412-i2s.c | |||
@@ -32,12 +32,11 @@ | |||
32 | #include <sound/soc.h> | 32 | #include <sound/soc.h> |
33 | #include <mach/hardware.h> | 33 | #include <mach/hardware.h> |
34 | 34 | ||
35 | #include <plat/regs-s3c2412-iis.h> | ||
36 | |||
37 | #include <mach/regs-gpio.h> | 35 | #include <mach/regs-gpio.h> |
38 | #include <mach/dma.h> | 36 | #include <mach/dma.h> |
39 | 37 | ||
40 | #include "s3c-dma.h" | 38 | #include "s3c-dma.h" |
39 | #include "regs-i2s-v2.h" | ||
41 | #include "s3c2412-i2s.h" | 40 | #include "s3c2412-i2s.h" |
42 | 41 | ||
43 | #define S3C2412_I2S_DEBUG 0 | 42 | #define S3C2412_I2S_DEBUG 0 |
@@ -66,44 +65,11 @@ static struct s3c_dma_params s3c2412_i2s_pcm_stereo_in = { | |||
66 | 65 | ||
67 | static struct s3c_i2sv2_info s3c2412_i2s; | 66 | static struct s3c_i2sv2_info s3c2412_i2s; |
68 | 67 | ||
69 | /* | 68 | static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai) |
70 | * Set S3C2412 Clock source | ||
71 | */ | ||
72 | static int s3c2412_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, | ||
73 | int clk_id, unsigned int freq, int dir) | ||
74 | { | 69 | { |
75 | u32 iismod = readl(s3c2412_i2s.regs + S3C2412_IISMOD); | 70 | return cpu_dai->private_data; |
76 | |||
77 | pr_debug("%s(%p, %d, %u, %d)\n", __func__, cpu_dai, clk_id, | ||
78 | freq, dir); | ||
79 | |||
80 | switch (clk_id) { | ||
81 | case S3C2412_CLKSRC_PCLK: | ||
82 | s3c2412_i2s.master = 1; | ||
83 | iismod &= ~S3C2412_IISMOD_MASTER_MASK; | ||
84 | iismod |= S3C2412_IISMOD_MASTER_INTERNAL; | ||
85 | break; | ||
86 | case S3C2412_CLKSRC_I2SCLK: | ||
87 | s3c2412_i2s.master = 0; | ||
88 | iismod &= ~S3C2412_IISMOD_MASTER_MASK; | ||
89 | iismod |= S3C2412_IISMOD_MASTER_EXTERNAL; | ||
90 | break; | ||
91 | default: | ||
92 | return -EINVAL; | ||
93 | } | ||
94 | |||
95 | writel(iismod, s3c2412_i2s.regs + S3C2412_IISMOD); | ||
96 | return 0; | ||
97 | } | 71 | } |
98 | 72 | ||
99 | |||
100 | struct clk *s3c2412_get_iisclk(void) | ||
101 | { | ||
102 | return s3c2412_i2s.iis_clk; | ||
103 | } | ||
104 | EXPORT_SYMBOL_GPL(s3c2412_get_iisclk); | ||
105 | |||
106 | |||
107 | static int s3c2412_i2s_probe(struct platform_device *pdev, | 73 | static int s3c2412_i2s_probe(struct platform_device *pdev, |
108 | struct snd_soc_dai *dai) | 74 | struct snd_soc_dai *dai) |
109 | { | 75 | { |
@@ -142,13 +108,48 @@ static int s3c2412_i2s_probe(struct platform_device *pdev, | |||
142 | return 0; | 108 | return 0; |
143 | } | 109 | } |
144 | 110 | ||
111 | static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream, | ||
112 | struct snd_pcm_hw_params *params, | ||
113 | struct snd_soc_dai *cpu_dai) | ||
114 | { | ||
115 | struct s3c_i2sv2_info *i2s = to_info(cpu_dai); | ||
116 | struct s3c_dma_params *dma_data; | ||
117 | u32 iismod; | ||
118 | |||
119 | pr_debug("Entered %s\n", __func__); | ||
120 | |||
121 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | ||
122 | dma_data = i2s->dma_playback; | ||
123 | else | ||
124 | dma_data = i2s->dma_capture; | ||
125 | |||
126 | snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); | ||
127 | |||
128 | iismod = readl(i2s->regs + S3C2412_IISMOD); | ||
129 | pr_debug("%s: r: IISMOD: %x\n", __func__, iismod); | ||
130 | |||
131 | switch (params_format(params)) { | ||
132 | case SNDRV_PCM_FORMAT_S8: | ||
133 | iismod |= S3C2412_IISMOD_8BIT; | ||
134 | break; | ||
135 | case SNDRV_PCM_FORMAT_S16_LE: | ||
136 | iismod &= ~S3C2412_IISMOD_8BIT; | ||
137 | break; | ||
138 | } | ||
139 | |||
140 | writel(iismod, i2s->regs + S3C2412_IISMOD); | ||
141 | pr_debug("%s: w: IISMOD: %x\n", __func__, iismod); | ||
142 | |||
143 | return 0; | ||
144 | } | ||
145 | |||
145 | #define S3C2412_I2S_RATES \ | 146 | #define S3C2412_I2S_RATES \ |
146 | (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \ | 147 | (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \ |
147 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ | 148 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ |
148 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) | 149 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) |
149 | 150 | ||
150 | static struct snd_soc_dai_ops s3c2412_i2s_dai_ops = { | 151 | static struct snd_soc_dai_ops s3c2412_i2s_dai_ops = { |
151 | .set_sysclk = s3c2412_i2s_set_sysclk, | 152 | .hw_params = s3c2412_i2s_hw_params, |
152 | }; | 153 | }; |
153 | 154 | ||
154 | struct snd_soc_dai s3c2412_i2s_dai = { | 155 | struct snd_soc_dai s3c2412_i2s_dai = { |