1 /* linux/arch/arm/plat-s3c/dev-audio.c
3 * Copyright 2009 Wolfson Microelectronics
4 * Mark Brown <broonie@opensource.wolfsonmicro.com>
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.
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>
17 #include <mach/irqs.h>
21 #include <plat/devs.h>
22 #include <plat/audio.h>
23 #include <plat/gpio-cfg.h>
25 static const char *rclksrc[] = {
30 static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
36 base = S3C64XX_GPD(0);
39 base = S3C64XX_GPE(0);
42 s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
43 s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
44 s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
45 s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
48 printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
53 s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
58 static struct resource s3c64xx_iis0_resource[] = {
60 .start = S3C64XX_PA_IIS0,
61 .end = S3C64XX_PA_IIS0 + 0x100 - 1,
62 .flags = IORESOURCE_MEM,
65 .start = DMACH_I2S0_OUT,
66 .end = DMACH_I2S0_OUT,
67 .flags = IORESOURCE_DMA,
70 .start = DMACH_I2S0_IN,
72 .flags = IORESOURCE_DMA,
76 static struct s3c_audio_pdata i2sv3_pdata = {
77 .cfg_gpio = s3c64xx_i2s_cfg_gpio,
85 struct platform_device s3c64xx_device_iis0 = {
86 .name = "samsung-i2s",
88 .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
89 .resource = s3c64xx_iis0_resource,
91 .platform_data = &i2sv3_pdata,
94 EXPORT_SYMBOL(s3c64xx_device_iis0);
96 static struct resource s3c64xx_iis1_resource[] = {
98 .start = S3C64XX_PA_IIS1,
99 .end = S3C64XX_PA_IIS1 + 0x100 - 1,
100 .flags = IORESOURCE_MEM,
103 .start = DMACH_I2S1_OUT,
104 .end = DMACH_I2S1_OUT,
105 .flags = IORESOURCE_DMA,
108 .start = DMACH_I2S1_IN,
109 .end = DMACH_I2S1_IN,
110 .flags = IORESOURCE_DMA,
114 struct platform_device s3c64xx_device_iis1 = {
115 .name = "samsung-i2s",
117 .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
118 .resource = s3c64xx_iis1_resource,
120 .platform_data = &i2sv3_pdata,
123 EXPORT_SYMBOL(s3c64xx_device_iis1);
125 static struct resource s3c64xx_iisv4_resource[] = {
127 .start = S3C64XX_PA_IISV4,
128 .end = S3C64XX_PA_IISV4 + 0x100 - 1,
129 .flags = IORESOURCE_MEM,
132 .start = DMACH_HSI_I2SV40_TX,
133 .end = DMACH_HSI_I2SV40_TX,
134 .flags = IORESOURCE_DMA,
137 .start = DMACH_HSI_I2SV40_RX,
138 .end = DMACH_HSI_I2SV40_RX,
139 .flags = IORESOURCE_DMA,
143 static struct s3c_audio_pdata i2sv4_pdata = {
144 .cfg_gpio = s3c64xx_i2s_cfg_gpio,
147 .quirks = QUIRK_PRI_6CHAN,
153 struct platform_device s3c64xx_device_iisv4 = {
154 .name = "samsung-i2s",
156 .num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource),
157 .resource = s3c64xx_iisv4_resource,
159 .platform_data = &i2sv4_pdata,
162 EXPORT_SYMBOL(s3c64xx_device_iisv4);
165 /* PCM Controller platform_devices */
167 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
173 base = S3C64XX_GPD(0);
176 base = S3C64XX_GPE(0);
179 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
184 s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
188 static struct resource s3c64xx_pcm0_resource[] = {
190 .start = S3C64XX_PA_PCM0,
191 .end = S3C64XX_PA_PCM0 + 0x100 - 1,
192 .flags = IORESOURCE_MEM,
195 .start = DMACH_PCM0_TX,
196 .end = DMACH_PCM0_TX,
197 .flags = IORESOURCE_DMA,
200 .start = DMACH_PCM0_RX,
201 .end = DMACH_PCM0_RX,
202 .flags = IORESOURCE_DMA,
206 static struct s3c_audio_pdata s3c_pcm0_pdata = {
207 .cfg_gpio = s3c64xx_pcm_cfg_gpio,
210 struct platform_device s3c64xx_device_pcm0 = {
211 .name = "samsung-pcm",
213 .num_resources = ARRAY_SIZE(s3c64xx_pcm0_resource),
214 .resource = s3c64xx_pcm0_resource,
216 .platform_data = &s3c_pcm0_pdata,
219 EXPORT_SYMBOL(s3c64xx_device_pcm0);
221 static struct resource s3c64xx_pcm1_resource[] = {
223 .start = S3C64XX_PA_PCM1,
224 .end = S3C64XX_PA_PCM1 + 0x100 - 1,
225 .flags = IORESOURCE_MEM,
228 .start = DMACH_PCM1_TX,
229 .end = DMACH_PCM1_TX,
230 .flags = IORESOURCE_DMA,
233 .start = DMACH_PCM1_RX,
234 .end = DMACH_PCM1_RX,
235 .flags = IORESOURCE_DMA,
239 static struct s3c_audio_pdata s3c_pcm1_pdata = {
240 .cfg_gpio = s3c64xx_pcm_cfg_gpio,
243 struct platform_device s3c64xx_device_pcm1 = {
244 .name = "samsung-pcm",
246 .num_resources = ARRAY_SIZE(s3c64xx_pcm1_resource),
247 .resource = s3c64xx_pcm1_resource,
249 .platform_data = &s3c_pcm1_pdata,
252 EXPORT_SYMBOL(s3c64xx_device_pcm1);
254 /* AC97 Controller platform devices */
256 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
258 return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
261 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
263 return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
266 static struct resource s3c64xx_ac97_resource[] = {
268 .start = S3C64XX_PA_AC97,
269 .end = S3C64XX_PA_AC97 + 0x100 - 1,
270 .flags = IORESOURCE_MEM,
273 .start = DMACH_AC97_PCMOUT,
274 .end = DMACH_AC97_PCMOUT,
275 .flags = IORESOURCE_DMA,
278 .start = DMACH_AC97_PCMIN,
279 .end = DMACH_AC97_PCMIN,
280 .flags = IORESOURCE_DMA,
283 .start = DMACH_AC97_MICIN,
284 .end = DMACH_AC97_MICIN,
285 .flags = IORESOURCE_DMA,
290 .flags = IORESOURCE_IRQ,
294 static struct s3c_audio_pdata s3c_ac97_pdata;
296 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
298 struct platform_device s3c64xx_device_ac97 = {
299 .name = "samsung-ac97",
301 .num_resources = ARRAY_SIZE(s3c64xx_ac97_resource),
302 .resource = s3c64xx_ac97_resource,
304 .platform_data = &s3c_ac97_pdata,
305 .dma_mask = &s3c64xx_ac97_dmamask,
306 .coherent_dma_mask = DMA_BIT_MASK(32),
309 EXPORT_SYMBOL(s3c64xx_device_ac97);
311 void __init s3c64xx_ac97_setup_gpio(int num)
313 if (num == S3C64XX_AC97_GPD)
314 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
316 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;