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52da219e MB |
1 | /* linux/arch/arm/plat-s3c/dev-audio.c |
2 | * | |
3 | * Copyright 2009 Wolfson Microelectronics | |
4 | * Mark Brown <broonie@opensource.wolfsonmicro.com> | |
5 | * | |
52da219e MB |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/kernel.h> | |
12 | #include <linux/string.h> | |
13 | #include <linux/platform_device.h> | |
de6985be | 14 | #include <linux/dma-mapping.h> |
1c739c7f | 15 | #include <linux/gpio.h> |
dc28094b | 16 | #include <linux/export.h> |
52da219e MB |
17 | |
18 | #include <mach/irqs.h> | |
19 | #include <mach/map.h> | |
acf1aef9 | 20 | #include <mach/dma.h> |
52da219e MB |
21 | |
22 | #include <plat/devs.h> | |
acf1aef9 | 23 | #include <plat/audio.h> |
acf1aef9 | 24 | #include <plat/gpio-cfg.h> |
52da219e | 25 | |
6a62bee2 JB |
26 | static const char *rclksrc[] = { |
27 | [0] = "iis", | |
28 | [1] = "audio-bus", | |
29 | }; | |
30 | ||
31 | static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev) | |
71269364 | 32 | { |
2618b555 BD |
33 | unsigned int base; |
34 | ||
71269364 JB |
35 | switch (pdev->id) { |
36 | case 0: | |
2618b555 | 37 | base = S3C64XX_GPD(0); |
71269364 JB |
38 | break; |
39 | case 1: | |
2618b555 | 40 | base = S3C64XX_GPE(0); |
e4b6b74f | 41 | break; |
6a62bee2 JB |
42 | case 2: |
43 | s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5)); | |
44 | s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5)); | |
45 | s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5)); | |
46 | s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5)); | |
47 | return 0; | |
71269364 | 48 | default: |
e4b6b74f DP |
49 | printk(KERN_DEBUG "Invalid I2S Controller number: %d\n", |
50 | pdev->id); | |
71269364 JB |
51 | return -EINVAL; |
52 | } | |
53 | ||
2618b555 BD |
54 | s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3)); |
55 | ||
71269364 JB |
56 | return 0; |
57 | } | |
58 | ||
52da219e | 59 | static struct resource s3c64xx_iis0_resource[] = { |
c6d884c2 TB |
60 | [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256), |
61 | [1] = DEFINE_RES_DMA(DMACH_I2S0_OUT), | |
62 | [2] = DEFINE_RES_DMA(DMACH_I2S0_IN), | |
71269364 JB |
63 | }; |
64 | ||
6a62bee2 JB |
65 | static struct s3c_audio_pdata i2sv3_pdata = { |
66 | .cfg_gpio = s3c64xx_i2s_cfg_gpio, | |
67 | .type = { | |
68 | .i2s = { | |
69 | .src_clk = rclksrc, | |
70 | }, | |
71 | }, | |
52da219e MB |
72 | }; |
73 | ||
74 | struct platform_device s3c64xx_device_iis0 = { | |
daea9b4f | 75 | .name = "samsung-i2s", |
52da219e MB |
76 | .id = 0, |
77 | .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource), | |
78 | .resource = s3c64xx_iis0_resource, | |
71269364 | 79 | .dev = { |
6a62bee2 | 80 | .platform_data = &i2sv3_pdata, |
71269364 | 81 | }, |
52da219e MB |
82 | }; |
83 | EXPORT_SYMBOL(s3c64xx_device_iis0); | |
84 | ||
85 | static struct resource s3c64xx_iis1_resource[] = { | |
c6d884c2 TB |
86 | [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256), |
87 | [1] = DEFINE_RES_DMA(DMACH_I2S1_OUT), | |
88 | [2] = DEFINE_RES_DMA(DMACH_I2S1_IN), | |
71269364 JB |
89 | }; |
90 | ||
52da219e | 91 | struct platform_device s3c64xx_device_iis1 = { |
daea9b4f | 92 | .name = "samsung-i2s", |
52da219e MB |
93 | .id = 1, |
94 | .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource), | |
95 | .resource = s3c64xx_iis1_resource, | |
71269364 | 96 | .dev = { |
6a62bee2 | 97 | .platform_data = &i2sv3_pdata, |
71269364 | 98 | }, |
52da219e MB |
99 | }; |
100 | EXPORT_SYMBOL(s3c64xx_device_iis1); | |
d06a49ee MB |
101 | |
102 | static struct resource s3c64xx_iisv4_resource[] = { | |
c6d884c2 TB |
103 | [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256), |
104 | [1] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_TX), | |
105 | [2] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_RX), | |
71269364 JB |
106 | }; |
107 | ||
6a62bee2 JB |
108 | static struct s3c_audio_pdata i2sv4_pdata = { |
109 | .cfg_gpio = s3c64xx_i2s_cfg_gpio, | |
110 | .type = { | |
111 | .i2s = { | |
112 | .quirks = QUIRK_PRI_6CHAN, | |
113 | .src_clk = rclksrc, | |
114 | }, | |
115 | }, | |
d06a49ee MB |
116 | }; |
117 | ||
118 | struct platform_device s3c64xx_device_iisv4 = { | |
6a62bee2 JB |
119 | .name = "samsung-i2s", |
120 | .id = 2, | |
d06a49ee MB |
121 | .num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource), |
122 | .resource = s3c64xx_iisv4_resource, | |
71269364 | 123 | .dev = { |
6a62bee2 | 124 | .platform_data = &i2sv4_pdata, |
71269364 | 125 | }, |
d06a49ee MB |
126 | }; |
127 | EXPORT_SYMBOL(s3c64xx_device_iisv4); | |
acf1aef9 JB |
128 | |
129 | ||
130 | /* PCM Controller platform_devices */ | |
131 | ||
132 | static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev) | |
133 | { | |
2618b555 BD |
134 | unsigned int base; |
135 | ||
acf1aef9 JB |
136 | switch (pdev->id) { |
137 | case 0: | |
2618b555 | 138 | base = S3C64XX_GPD(0); |
acf1aef9 JB |
139 | break; |
140 | case 1: | |
2618b555 | 141 | base = S3C64XX_GPE(0); |
acf1aef9 JB |
142 | break; |
143 | default: | |
e4b6b74f DP |
144 | printk(KERN_DEBUG "Invalid PCM Controller number: %d\n", |
145 | pdev->id); | |
acf1aef9 JB |
146 | return -EINVAL; |
147 | } | |
148 | ||
2618b555 | 149 | s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2)); |
acf1aef9 JB |
150 | return 0; |
151 | } | |
152 | ||
153 | static struct resource s3c64xx_pcm0_resource[] = { | |
c6d884c2 TB |
154 | [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256), |
155 | [1] = DEFINE_RES_DMA(DMACH_PCM0_TX), | |
156 | [2] = DEFINE_RES_DMA(DMACH_PCM0_RX), | |
acf1aef9 JB |
157 | }; |
158 | ||
43f0de8d | 159 | static struct s3c_audio_pdata s3c_pcm0_pdata = { |
acf1aef9 JB |
160 | .cfg_gpio = s3c64xx_pcm_cfg_gpio, |
161 | }; | |
162 | ||
163 | struct platform_device s3c64xx_device_pcm0 = { | |
164 | .name = "samsung-pcm", | |
165 | .id = 0, | |
166 | .num_resources = ARRAY_SIZE(s3c64xx_pcm0_resource), | |
167 | .resource = s3c64xx_pcm0_resource, | |
168 | .dev = { | |
169 | .platform_data = &s3c_pcm0_pdata, | |
170 | }, | |
171 | }; | |
172 | EXPORT_SYMBOL(s3c64xx_device_pcm0); | |
173 | ||
174 | static struct resource s3c64xx_pcm1_resource[] = { | |
c6d884c2 TB |
175 | [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256), |
176 | [1] = DEFINE_RES_DMA(DMACH_PCM1_TX), | |
177 | [2] = DEFINE_RES_DMA(DMACH_PCM1_RX), | |
acf1aef9 JB |
178 | }; |
179 | ||
43f0de8d | 180 | static struct s3c_audio_pdata s3c_pcm1_pdata = { |
acf1aef9 JB |
181 | .cfg_gpio = s3c64xx_pcm_cfg_gpio, |
182 | }; | |
183 | ||
184 | struct platform_device s3c64xx_device_pcm1 = { | |
185 | .name = "samsung-pcm", | |
186 | .id = 1, | |
187 | .num_resources = ARRAY_SIZE(s3c64xx_pcm1_resource), | |
188 | .resource = s3c64xx_pcm1_resource, | |
189 | .dev = { | |
190 | .platform_data = &s3c_pcm1_pdata, | |
191 | }, | |
192 | }; | |
193 | EXPORT_SYMBOL(s3c64xx_device_pcm1); | |
de6985be JB |
194 | |
195 | /* AC97 Controller platform devices */ | |
196 | ||
197 | static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev) | |
198 | { | |
2618b555 | 199 | return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4)); |
de6985be JB |
200 | } |
201 | ||
202 | static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev) | |
203 | { | |
2618b555 | 204 | return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4)); |
de6985be JB |
205 | } |
206 | ||
207 | static struct resource s3c64xx_ac97_resource[] = { | |
c6d884c2 TB |
208 | [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256), |
209 | [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT), | |
210 | [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN), | |
211 | [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN), | |
212 | [4] = DEFINE_RES_IRQ(IRQ_AC97), | |
de6985be JB |
213 | }; |
214 | ||
215 | static struct s3c_audio_pdata s3c_ac97_pdata; | |
216 | ||
217 | static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32); | |
218 | ||
219 | struct platform_device s3c64xx_device_ac97 = { | |
e6104673 | 220 | .name = "samsung-ac97", |
de6985be JB |
221 | .id = -1, |
222 | .num_resources = ARRAY_SIZE(s3c64xx_ac97_resource), | |
223 | .resource = s3c64xx_ac97_resource, | |
224 | .dev = { | |
225 | .platform_data = &s3c_ac97_pdata, | |
226 | .dma_mask = &s3c64xx_ac97_dmamask, | |
227 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
228 | }, | |
229 | }; | |
230 | EXPORT_SYMBOL(s3c64xx_device_ac97); | |
231 | ||
232 | void __init s3c64xx_ac97_setup_gpio(int num) | |
233 | { | |
234 | if (num == S3C64XX_AC97_GPD) | |
235 | s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd; | |
236 | else | |
237 | s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe; | |
238 | } |