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 int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
31 base = S3C64XX_GPD(0);
34 base = S3C64XX_GPE(0);
37 printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
42 s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
47 static int s3c64xx_i2sv4_cfg_gpio(struct platform_device *pdev)
49 s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
50 s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
51 s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
52 s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
57 static struct resource s3c64xx_iis0_resource[] = {
59 .start = S3C64XX_PA_IIS0,
60 .end = S3C64XX_PA_IIS0 + 0x100 - 1,
61 .flags = IORESOURCE_MEM,
64 .start = DMACH_I2S0_OUT,
65 .end = DMACH_I2S0_OUT,
66 .flags = IORESOURCE_DMA,
69 .start = DMACH_I2S0_IN,
71 .flags = IORESOURCE_DMA,
75 static struct s3c_audio_pdata s3c_i2s0_pdata = {
76 .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
79 struct platform_device s3c64xx_device_iis0 = {
80 .name = "s3c64xx-iis",
82 .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
83 .resource = s3c64xx_iis0_resource,
85 .platform_data = &s3c_i2s0_pdata,
88 EXPORT_SYMBOL(s3c64xx_device_iis0);
90 static struct resource s3c64xx_iis1_resource[] = {
92 .start = S3C64XX_PA_IIS1,
93 .end = S3C64XX_PA_IIS1 + 0x100 - 1,
94 .flags = IORESOURCE_MEM,
97 .start = DMACH_I2S1_OUT,
98 .end = DMACH_I2S1_OUT,
99 .flags = IORESOURCE_DMA,
102 .start = DMACH_I2S1_IN,
103 .end = DMACH_I2S1_IN,
104 .flags = IORESOURCE_DMA,
108 static struct s3c_audio_pdata s3c_i2s1_pdata = {
109 .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
112 struct platform_device s3c64xx_device_iis1 = {
113 .name = "s3c64xx-iis",
115 .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
116 .resource = s3c64xx_iis1_resource,
118 .platform_data = &s3c_i2s1_pdata,
121 EXPORT_SYMBOL(s3c64xx_device_iis1);
123 static struct resource s3c64xx_iisv4_resource[] = {
125 .start = S3C64XX_PA_IISV4,
126 .end = S3C64XX_PA_IISV4 + 0x100 - 1,
127 .flags = IORESOURCE_MEM,
130 .start = DMACH_HSI_I2SV40_TX,
131 .end = DMACH_HSI_I2SV40_TX,
132 .flags = IORESOURCE_DMA,
135 .start = DMACH_HSI_I2SV40_RX,
136 .end = DMACH_HSI_I2SV40_RX,
137 .flags = IORESOURCE_DMA,
141 static struct s3c_audio_pdata s3c_i2sv4_pdata = {
142 .cfg_gpio = s3c64xx_i2sv4_cfg_gpio,
145 struct platform_device s3c64xx_device_iisv4 = {
146 .name = "s3c64xx-iis-v4",
148 .num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource),
149 .resource = s3c64xx_iisv4_resource,
151 .platform_data = &s3c_i2sv4_pdata,
154 EXPORT_SYMBOL(s3c64xx_device_iisv4);
157 /* PCM Controller platform_devices */
159 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
165 base = S3C64XX_GPD(0);
168 base = S3C64XX_GPE(0);
171 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
176 s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
180 static struct resource s3c64xx_pcm0_resource[] = {
182 .start = S3C64XX_PA_PCM0,
183 .end = S3C64XX_PA_PCM0 + 0x100 - 1,
184 .flags = IORESOURCE_MEM,
187 .start = DMACH_PCM0_TX,
188 .end = DMACH_PCM0_TX,
189 .flags = IORESOURCE_DMA,
192 .start = DMACH_PCM0_RX,
193 .end = DMACH_PCM0_RX,
194 .flags = IORESOURCE_DMA,
198 static struct s3c_audio_pdata s3c_pcm0_pdata = {
199 .cfg_gpio = s3c64xx_pcm_cfg_gpio,
202 struct platform_device s3c64xx_device_pcm0 = {
203 .name = "samsung-pcm",
205 .num_resources = ARRAY_SIZE(s3c64xx_pcm0_resource),
206 .resource = s3c64xx_pcm0_resource,
208 .platform_data = &s3c_pcm0_pdata,
211 EXPORT_SYMBOL(s3c64xx_device_pcm0);
213 static struct resource s3c64xx_pcm1_resource[] = {
215 .start = S3C64XX_PA_PCM1,
216 .end = S3C64XX_PA_PCM1 + 0x100 - 1,
217 .flags = IORESOURCE_MEM,
220 .start = DMACH_PCM1_TX,
221 .end = DMACH_PCM1_TX,
222 .flags = IORESOURCE_DMA,
225 .start = DMACH_PCM1_RX,
226 .end = DMACH_PCM1_RX,
227 .flags = IORESOURCE_DMA,
231 static struct s3c_audio_pdata s3c_pcm1_pdata = {
232 .cfg_gpio = s3c64xx_pcm_cfg_gpio,
235 struct platform_device s3c64xx_device_pcm1 = {
236 .name = "samsung-pcm",
238 .num_resources = ARRAY_SIZE(s3c64xx_pcm1_resource),
239 .resource = s3c64xx_pcm1_resource,
241 .platform_data = &s3c_pcm1_pdata,
244 EXPORT_SYMBOL(s3c64xx_device_pcm1);
246 /* AC97 Controller platform devices */
248 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
250 return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
253 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
255 return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
258 static struct resource s3c64xx_ac97_resource[] = {
260 .start = S3C64XX_PA_AC97,
261 .end = S3C64XX_PA_AC97 + 0x100 - 1,
262 .flags = IORESOURCE_MEM,
265 .start = DMACH_AC97_PCMOUT,
266 .end = DMACH_AC97_PCMOUT,
267 .flags = IORESOURCE_DMA,
270 .start = DMACH_AC97_PCMIN,
271 .end = DMACH_AC97_PCMIN,
272 .flags = IORESOURCE_DMA,
275 .start = DMACH_AC97_MICIN,
276 .end = DMACH_AC97_MICIN,
277 .flags = IORESOURCE_DMA,
282 .flags = IORESOURCE_IRQ,
286 static struct s3c_audio_pdata s3c_ac97_pdata;
288 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
290 struct platform_device s3c64xx_device_ac97 = {
293 .num_resources = ARRAY_SIZE(s3c64xx_ac97_resource),
294 .resource = s3c64xx_ac97_resource,
296 .platform_data = &s3c_ac97_pdata,
297 .dma_mask = &s3c64xx_ac97_dmamask,
298 .coherent_dma_mask = DMA_BIT_MASK(32),
301 EXPORT_SYMBOL(s3c64xx_device_ac97);
303 void __init s3c64xx_ac97_setup_gpio(int num)
305 if (num == S3C64XX_AC97_GPD)
306 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
308 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
311 static u64 s3c_device_audio_dmamask = 0xffffffffUL;
313 struct platform_device s3c_device_pcm = {
314 .name = "s3c24xx-pcm-audio",
317 .dma_mask = &s3c_device_audio_dmamask,
318 .coherent_dma_mask = 0xffffffffUL
321 EXPORT_SYMBOL(s3c_device_pcm);