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 };
58
59 static struct s3c_audio_pdata i2s0_pdata = {
60 .cfg_gpio = s3c64xx_i2s_cfg_gpio,
61 .dma_playback = DMACH_I2S0_OUT,
62 .dma_capture = DMACH_I2S0_IN,
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 = &i2s0_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 };
79
80 static struct s3c_audio_pdata i2s1_pdata = {
81 .cfg_gpio = s3c64xx_i2s_cfg_gpio,
82 .dma_playback = DMACH_I2S1_OUT,
83 .dma_capture = DMACH_I2S1_IN,
84 };
85
86 struct platform_device s3c64xx_device_iis1 = {
87 .name = "samsung-i2s",
88 .id = 1,
89 .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
90 .resource = s3c64xx_iis1_resource,
91 .dev = {
92 .platform_data = &i2s1_pdata,
93 },
94 };
95 EXPORT_SYMBOL(s3c64xx_device_iis1);
96
97 static struct resource s3c64xx_iisv4_resource[] = {
98 [0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
99 };
100
101 static struct s3c_audio_pdata i2sv4_pdata = {
102 .cfg_gpio = s3c64xx_i2s_cfg_gpio,
103 .dma_playback = DMACH_HSI_I2SV40_TX,
104 .dma_capture = DMACH_HSI_I2SV40_RX,
105 .type = {
106 .i2s = {
107 .quirks = QUIRK_PRI_6CHAN,
108 },
109 },
110 };
111
112 struct platform_device s3c64xx_device_iisv4 = {
113 .name = "samsung-i2s",
114 .id = 2,
115 .num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource),
116 .resource = s3c64xx_iisv4_resource,
117 .dev = {
118 .platform_data = &i2sv4_pdata,
119 },
120 };
121 EXPORT_SYMBOL(s3c64xx_device_iisv4);
122
123
124 /* PCM Controller platform_devices */
125
s3c64xx_pcm_cfg_gpio(struct platform_device * pdev)126 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
127 {
128 unsigned int base;
129
130 switch (pdev->id) {
131 case 0:
132 base = S3C64XX_GPD(0);
133 break;
134 case 1:
135 base = S3C64XX_GPE(0);
136 break;
137 default:
138 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
139 pdev->id);
140 return -EINVAL;
141 }
142
143 s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
144 return 0;
145 }
146
147 static struct resource s3c64xx_pcm0_resource[] = {
148 [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
149 };
150
151 static struct s3c_audio_pdata s3c_pcm0_pdata = {
152 .cfg_gpio = s3c64xx_pcm_cfg_gpio,
153 .dma_capture = DMACH_PCM0_RX,
154 .dma_playback = DMACH_PCM0_TX,
155 };
156
157 struct platform_device s3c64xx_device_pcm0 = {
158 .name = "samsung-pcm",
159 .id = 0,
160 .num_resources = ARRAY_SIZE(s3c64xx_pcm0_resource),
161 .resource = s3c64xx_pcm0_resource,
162 .dev = {
163 .platform_data = &s3c_pcm0_pdata,
164 },
165 };
166 EXPORT_SYMBOL(s3c64xx_device_pcm0);
167
168 static struct resource s3c64xx_pcm1_resource[] = {
169 [0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
170 };
171
172 static struct s3c_audio_pdata s3c_pcm1_pdata = {
173 .cfg_gpio = s3c64xx_pcm_cfg_gpio,
174 .dma_playback = DMACH_PCM1_TX,
175 .dma_capture = DMACH_PCM1_RX,
176 };
177
178 struct platform_device s3c64xx_device_pcm1 = {
179 .name = "samsung-pcm",
180 .id = 1,
181 .num_resources = ARRAY_SIZE(s3c64xx_pcm1_resource),
182 .resource = s3c64xx_pcm1_resource,
183 .dev = {
184 .platform_data = &s3c_pcm1_pdata,
185 },
186 };
187 EXPORT_SYMBOL(s3c64xx_device_pcm1);
188
189 /* AC97 Controller platform devices */
190
s3c64xx_ac97_cfg_gpd(struct platform_device * pdev)191 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
192 {
193 return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
194 }
195
s3c64xx_ac97_cfg_gpe(struct platform_device * pdev)196 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
197 {
198 return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
199 }
200
201 static struct resource s3c64xx_ac97_resource[] = {
202 [0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
203 [1] = DEFINE_RES_IRQ(IRQ_AC97),
204 };
205
206 static struct s3c_audio_pdata s3c_ac97_pdata = {
207 .dma_playback = DMACH_AC97_PCMOUT,
208 .dma_capture = DMACH_AC97_PCMIN,
209 .dma_capture_mic = DMACH_AC97_MICIN,
210 };
211
212 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
213
214 struct platform_device s3c64xx_device_ac97 = {
215 .name = "samsung-ac97",
216 .id = -1,
217 .num_resources = ARRAY_SIZE(s3c64xx_ac97_resource),
218 .resource = s3c64xx_ac97_resource,
219 .dev = {
220 .platform_data = &s3c_ac97_pdata,
221 .dma_mask = &s3c64xx_ac97_dmamask,
222 .coherent_dma_mask = DMA_BIT_MASK(32),
223 },
224 };
225 EXPORT_SYMBOL(s3c64xx_device_ac97);
226
s3c64xx_ac97_setup_gpio(int num)227 void __init s3c64xx_ac97_setup_gpio(int num)
228 {
229 if (num == S3C64XX_AC97_GPD)
230 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
231 else
232 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
233 }
234