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