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Diffstat (limited to 'sound/soc/s3c24xx/s3c64xx-i2s.c')
-rw-r--r--sound/soc/s3c24xx/s3c64xx-i2s.c190
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 1d85cb85a7d2..000000000000
--- a/sound/soc/s3c24xx/s3c64xx-i2s.c
+++ /dev/null
@@ -1,190 +0,0 @@
1/* sound/soc/s3c24xx/s3c64xx-i2s.c
2 *
3 * ALSA SoC Audio Layer - S3C64XX I2S driver
4 *
5 * Copyright 2008 Openmoko, Inc.
6 * Copyright 2008 Simtec Electronics
7 * Ben Dooks <ben@simtec.co.uk>
8 * http://armlinux.simtec.co.uk/
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/clk.h>
16#include <linux/gpio.h>
17#include <linux/io.h>
18
19#include <sound/soc.h>
20
21#include <mach/gpio-bank-d.h>
22#include <mach/gpio-bank-e.h>
23#include <plat/gpio-cfg.h>
24
25#include <mach/map.h>
26#include <mach/dma.h>
27
28#include "s3c-dma.h"
29#include "regs-i2s-v2.h"
30#include "s3c64xx-i2s.h"
31
32/* The value should be set to maximum of the total number
33 * of I2Sv3 controllers that any supported SoC has.
34 */
35#define MAX_I2SV3 2
36
37static struct s3c2410_dma_client s3c64xx_dma_client_out = {
38 .name = "I2S PCM Stereo out"
39};
40
41static struct s3c2410_dma_client s3c64xx_dma_client_in = {
42 .name = "I2S PCM Stereo in"
43};
44
45static struct s3c_dma_params s3c64xx_i2s_pcm_stereo_out[MAX_I2SV3];
46static struct s3c_dma_params s3c64xx_i2s_pcm_stereo_in[MAX_I2SV3];
47static struct s3c_i2sv2_info s3c64xx_i2s[MAX_I2SV3];
48
49struct snd_soc_dai s3c64xx_i2s_dai[MAX_I2SV3];
50EXPORT_SYMBOL_GPL(s3c64xx_i2s_dai);
51
52static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai)
53{
54 return cpu_dai->private_data;
55}
56
57static int s3c64xx_i2s_probe(struct platform_device *pdev,
58 struct snd_soc_dai *dai)
59{
60 /* configure GPIO for i2s port */
61 switch (dai->id) {
62 case 0:
63 s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_I2S0_CLK);
64 s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_I2S0_CDCLK);
65 s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_I2S0_LRCLK);
66 s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_I2S0_DI);
67 s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_I2S0_D0);
68 break;
69 case 1:
70 s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_I2S1_CLK);
71 s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_I2S1_CDCLK);
72 s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_I2S1_LRCLK);
73 s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_I2S1_DI);
74 s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_I2S1_D0);
75 }
76
77 return 0;
78}
79
80
81static struct snd_soc_dai_ops s3c64xx_i2s_dai_ops;
82
83static __devinit int s3c64xx_iis_dev_probe(struct platform_device *pdev)
84{
85 struct s3c_i2sv2_info *i2s;
86 struct snd_soc_dai *dai;
87 int ret;
88
89 if (pdev->id >= MAX_I2SV3) {
90 dev_err(&pdev->dev, "id %d out of range\n", pdev->id);
91 return -EINVAL;
92 }
93
94 i2s = &s3c64xx_i2s[pdev->id];
95 dai = &s3c64xx_i2s_dai[pdev->id];
96 dai->dev = &pdev->dev;
97 dai->name = "s3c64xx-i2s";
98 dai->id = pdev->id;
99 dai->symmetric_rates = 1;
100 dai->playback.channels_min = 2;
101 dai->playback.channels_max = 2;
102 dai->playback.rates = S3C64XX_I2S_RATES;
103 dai->playback.formats = S3C64XX_I2S_FMTS;
104 dai->capture.channels_min = 2;
105 dai->capture.channels_max = 2;
106 dai->capture.rates = S3C64XX_I2S_RATES;
107 dai->capture.formats = S3C64XX_I2S_FMTS;
108 dai->probe = s3c64xx_i2s_probe;
109 dai->ops = &s3c64xx_i2s_dai_ops;
110
111 i2s->feature |= S3C_FEATURE_CDCLKCON;
112
113 i2s->dma_capture = &s3c64xx_i2s_pcm_stereo_in[pdev->id];
114 i2s->dma_playback = &s3c64xx_i2s_pcm_stereo_out[pdev->id];
115
116 if (pdev->id == 0) {
117 i2s->dma_capture->channel = DMACH_I2S0_IN;
118 i2s->dma_capture->dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISRXD;
119 i2s->dma_playback->channel = DMACH_I2S0_OUT;
120 i2s->dma_playback->dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISTXD;
121 } else {
122 i2s->dma_capture->channel = DMACH_I2S1_IN;
123 i2s->dma_capture->dma_addr = S3C64XX_PA_IIS1 + S3C2412_IISRXD;
124 i2s->dma_playback->channel = DMACH_I2S1_OUT;
125 i2s->dma_playback->dma_addr = S3C64XX_PA_IIS1 + S3C2412_IISTXD;
126 }
127
128 i2s->dma_capture->client = &s3c64xx_dma_client_in;
129 i2s->dma_capture->dma_size = 4;
130 i2s->dma_playback->client = &s3c64xx_dma_client_out;
131 i2s->dma_playback->dma_size = 4;
132
133 i2s->iis_cclk = clk_get(&pdev->dev, "audio-bus");
134 if (IS_ERR(i2s->iis_cclk)) {
135 dev_err(&pdev->dev, "failed to get audio-bus\n");
136 ret = PTR_ERR(i2s->iis_cclk);
137 goto err;
138 }
139
140 clk_enable(i2s->iis_cclk);
141
142 ret = s3c_i2sv2_probe(pdev, dai, i2s, 0);
143 if (ret)
144 goto err_clk;
145
146 ret = s3c_i2sv2_register_dai(dai);
147 if (ret != 0)
148 goto err_i2sv2;
149
150 return 0;
151
152err_i2sv2:
153 /* Not implemented for I2Sv2 core yet */
154err_clk:
155 clk_put(i2s->iis_cclk);
156err:
157 return ret;
158}
159
160static __devexit int s3c64xx_iis_dev_remove(struct platform_device *pdev)
161{
162 dev_err(&pdev->dev, "Device removal not yet supported\n");
163 return 0;
164}
165
166static struct platform_driver s3c64xx_iis_driver = {
167 .probe = s3c64xx_iis_dev_probe,
168 .remove = s3c64xx_iis_dev_remove,
169 .driver = {
170 .name = "s3c64xx-iis",
171 .owner = THIS_MODULE,
172 },
173};
174
175static int __init s3c64xx_i2s_init(void)
176{
177 return platform_driver_register(&s3c64xx_iis_driver);
178}
179module_init(s3c64xx_i2s_init);
180
181static void __exit s3c64xx_i2s_exit(void)
182{
183 platform_driver_unregister(&s3c64xx_iis_driver);
184}
185module_exit(s3c64xx_i2s_exit);
186
187/* Module information */
188MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>");
189MODULE_DESCRIPTION("S3C64XX I2S SoC Interface");
190MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-04-07 08:38:39 -0400