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>
16 #include <linux/export.h>
18 #include <mach/irqs.h>
22 #include <plat/devs.h>
23 #include <plat/audio.h>
24 #include <plat/gpio-cfg.h>
26 static const char *rclksrc[] = {
31 static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
37 base = S3C64XX_GPD(0);
40 base = S3C64XX_GPE(0);
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));
49 printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
54 s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
59 static struct resource s3c64xx_iis0_resource[] = {
61 .start = S3C64XX_PA_IIS0,
62 .end = S3C64XX_PA_IIS0 + 0x100 - 1,
63 .flags = IORESOURCE_MEM,
66 .start = DMACH_I2S0_OUT,
67 .end = DMACH_I2S0_OUT,
68 .flags = IORESOURCE_DMA,
71 .start = DMACH_I2S0_IN,
73 .flags = IORESOURCE_DMA,
77 static struct s3c_audio_pdata i2sv3_pdata = {
78 .cfg_gpio = s3c64xx_i2s_cfg_gpio,
86 struct platform_device s3c64xx_device_iis0 = {
87 .name = "samsung-i2s",
89 .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
90 .resource = s3c64xx_iis0_resource,
92 .platform_data = &i2sv3_pdata,
95 EXPORT_SYMBOL(s3c64xx_device_iis0);
97 static struct resource s3c64xx_iis1_resource[] = {
99 .start = S3C64XX_PA_IIS1,
100 .end = S3C64XX_PA_IIS1 + 0x100 - 1,
101 .flags = IORESOURCE_MEM,
104 .start = DMACH_I2S1_OUT,
105 .end = DMACH_I2S1_OUT,
106 .flags = IORESOURCE_DMA,
109 .start = DMACH_I2S1_IN,
110 .end = DMACH_I2S1_IN,
111 .flags = IORESOURCE_DMA,
115 struct platform_device s3c64xx_device_iis1 = {
116 .name = "samsung-i2s",
118 .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
119 .resource = s3c64xx_iis1_resource,
121 .platform_data = &i2sv3_pdata,
124 EXPORT_SYMBOL(s3c64xx_device_iis1);
126 static struct resource s3c64xx_iisv4_resource[] = {
128 .start = S3C64XX_PA_IISV4,
129 .end = S3C64XX_PA_IISV4 + 0x100 - 1,
130 .flags = IORESOURCE_MEM,
133 .start = DMACH_HSI_I2SV40_TX,
134 .end = DMACH_HSI_I2SV40_TX,
135 .flags = IORESOURCE_DMA,
138 .start = DMACH_HSI_I2SV40_RX,
139 .end = DMACH_HSI_I2SV40_RX,
140 .flags = IORESOURCE_DMA,
144 static struct s3c_audio_pdata i2sv4_pdata = {
145 .cfg_gpio = s3c64xx_i2s_cfg_gpio,
148 .quirks = QUIRK_PRI_6CHAN,
154 struct platform_device s3c64xx_device_iisv4 = {
155 .name = "samsung-i2s",
157 .num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource),
158 .resource = s3c64xx_iisv4_resource,
160 .platform_data = &i2sv4_pdata,
163 EXPORT_SYMBOL(s3c64xx_device_iisv4);
166 /* PCM Controller platform_devices */
168 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
174 base = S3C64XX_GPD(0);
177 base = S3C64XX_GPE(0);
180 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
185 s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
189 static struct resource s3c64xx_pcm0_resource[] = {
191 .start = S3C64XX_PA_PCM0,
192 .end = S3C64XX_PA_PCM0 + 0x100 - 1,
193 .flags = IORESOURCE_MEM,
196 .start = DMACH_PCM0_TX,
197 .end = DMACH_PCM0_TX,
198 .flags = IORESOURCE_DMA,
201 .start = DMACH_PCM0_RX,
202 .end = DMACH_PCM0_RX,
203 .flags = IORESOURCE_DMA,
207 static struct s3c_audio_pdata s3c_pcm0_pdata = {
208 .cfg_gpio = s3c64xx_pcm_cfg_gpio,
211 struct platform_device s3c64xx_device_pcm0 = {
212 .name = "samsung-pcm",
214 .num_resources = ARRAY_SIZE(s3c64xx_pcm0_resource),
215 .resource = s3c64xx_pcm0_resource,
217 .platform_data = &s3c_pcm0_pdata,
220 EXPORT_SYMBOL(s3c64xx_device_pcm0);
222 static struct resource s3c64xx_pcm1_resource[] = {
224 .start = S3C64XX_PA_PCM1,
225 .end = S3C64XX_PA_PCM1 + 0x100 - 1,
226 .flags = IORESOURCE_MEM,
229 .start = DMACH_PCM1_TX,
230 .end = DMACH_PCM1_TX,
231 .flags = IORESOURCE_DMA,
234 .start = DMACH_PCM1_RX,
235 .end = DMACH_PCM1_RX,
236 .flags = IORESOURCE_DMA,
240 static struct s3c_audio_pdata s3c_pcm1_pdata = {
241 .cfg_gpio = s3c64xx_pcm_cfg_gpio,
244 struct platform_device s3c64xx_device_pcm1 = {
245 .name = "samsung-pcm",
247 .num_resources = ARRAY_SIZE(s3c64xx_pcm1_resource),
248 .resource = s3c64xx_pcm1_resource,
250 .platform_data = &s3c_pcm1_pdata,
253 EXPORT_SYMBOL(s3c64xx_device_pcm1);
255 /* AC97 Controller platform devices */
257 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
259 return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
262 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
264 return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
267 static struct resource s3c64xx_ac97_resource[] = {
269 .start = S3C64XX_PA_AC97,
270 .end = S3C64XX_PA_AC97 + 0x100 - 1,
271 .flags = IORESOURCE_MEM,
274 .start = DMACH_AC97_PCMOUT,
275 .end = DMACH_AC97_PCMOUT,
276 .flags = IORESOURCE_DMA,
279 .start = DMACH_AC97_PCMIN,
280 .end = DMACH_AC97_PCMIN,
281 .flags = IORESOURCE_DMA,
284 .start = DMACH_AC97_MICIN,
285 .end = DMACH_AC97_MICIN,
286 .flags = IORESOURCE_DMA,
291 .flags = IORESOURCE_IRQ,
295 static struct s3c_audio_pdata s3c_ac97_pdata;
297 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
299 struct platform_device s3c64xx_device_ac97 = {
300 .name = "samsung-ac97",
302 .num_resources = ARRAY_SIZE(s3c64xx_ac97_resource),
303 .resource = s3c64xx_ac97_resource,
305 .platform_data = &s3c_ac97_pdata,
306 .dma_mask = &s3c64xx_ac97_dmamask,
307 .coherent_dma_mask = DMA_BIT_MASK(32),
310 EXPORT_SYMBOL(s3c64xx_device_ac97);
312 void __init s3c64xx_ac97_setup_gpio(int num)
314 if (num == S3C64XX_AC97_GPD)
315 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
317 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;