aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-exynos/dev-audio.c
blob: ae321c7cb15ffbbb8b233719b442d1f920cabdfd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
/* linux/arch/arm/mach-exynos4/dev-audio.c
 *
 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * Copyright (c) 2010 Samsung Electronics Co. Ltd
 *	Jaswinder Singh <jassi.brar@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>

#include <plat/gpio-cfg.h>
#include <linux/platform_data/asoc-s3c.h>

#include <mach/map.h>
#include <mach/dma.h>
#include <mach/irqs.h>
#include <mach/regs-audss.h>

static const char *rclksrc[] = {
	[0] = "busclk",
	[1] = "i2sclk",
};

static int exynos4_cfg_i2s(struct platform_device *pdev)
{
	/* configure GPIO for i2s port */
	switch (pdev->id) {
	case 0:
		s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 7, S3C_GPIO_SFN(2));
		break;
	case 1:
		s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(2));
		break;
	case 2:
		s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(4));
		break;
	default:
		printk(KERN_ERR "Invalid Device %d\n", pdev->id);
		return -EINVAL;
	}

	return 0;
}

static struct s3c_audio_pdata i2sv5_pdata = {
	.cfg_gpio = exynos4_cfg_i2s,
	.type = {
		.i2s = {
			.quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
					 | QUIRK_NEED_RSTCLR,
			.src_clk = rclksrc,
			.idma_addr = EXYNOS4_AUDSS_INT_MEM,
		},
	},
};

static struct resource exynos4_i2s0_resource[] = {
	[0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S0, SZ_256),
	[1] = DEFINE_RES_DMA(DMACH_I2S0_TX),
	[2] = DEFINE_RES_DMA(DMACH_I2S0_RX),
	[3] = DEFINE_RES_DMA(DMACH_I2S0S_TX),
};

struct platform_device exynos4_device_i2s0 = {
	.name = "samsung-i2s",
	.id = 0,
	.num_resources = ARRAY_SIZE(exynos4_i2s0_resource),
	.resource = exynos4_i2s0_resource,
	.dev = {
		.platform_data = &i2sv5_pdata,
	},
};

static const char *rclksrc_v3[] = {
	[0] = "sclk_i2s",
	[1] = "no_such_clock",
};

static struct s3c_audio_pdata i2sv3_pdata = {
	.cfg_gpio = exynos4_cfg_i2s,
	.type = {
		.i2s = {
			.quirks = QUIRK_NO_MUXPSR,
			.src_clk = rclksrc_v3,
		},
	},
};

static struct resource exynos4_i2s1_resource[] = {
	[0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S1, SZ_256),
	[1] = DEFINE_RES_DMA(DMACH_I2S1_TX),
	[2] = DEFINE_RES_DMA(DMACH_I2S1_RX),
};

struct platform_device exynos4_device_i2s1 = {
	.name = "samsung-i2s",
	.id = 1,
	.num_resources = ARRAY_SIZE(exynos4_i2s1_resource),
	.resource = exynos4_i2s1_resource,
	.dev = {
		.platform_data = &i2sv3_pdata,
	},
};

static struct resource exynos4_i2s2_resource[] = {
	[0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S2, SZ_256),
	[1] = DEFINE_RES_DMA(DMACH_I2S2_TX),
	[2] = DEFINE_RES_DMA(DMACH_I2S2_RX),
};

struct platform_device exynos4_device_i2s2 = {
	.name = "samsung-i2s",
	.id = 2,
	.num_resources = ARRAY_SIZE(exynos4_i2s2_resource),
	.resource = exynos4_i2s2_resource,
	.dev = {
		.platform_data = &i2sv3_pdata,
	},
};

/* PCM Controller platform_devices */

static int exynos4_pcm_cfg_gpio(struct platform_device *pdev)
{
	switch (pdev->id) {
	case 0:
		s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 5, S3C_GPIO_SFN(3));
		break;
	case 1:
		s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(3));
		break;
	case 2:
		s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(3));
		break;
	default:
		printk(KERN_DEBUG "Invalid PCM Controller number!");
		return -EINVAL;
	}

	return 0;
}

static struct s3c_audio_pdata s3c_pcm_pdata = {
	.cfg_gpio = exynos4_pcm_cfg_gpio,
};

static struct resource exynos4_pcm0_resource[] = {
	[0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM0, SZ_256),
	[1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
	[2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
};

struct platform_device exynos4_device_pcm0 = {
	.name = "samsung-pcm",
	.id = 0,
	.num_resources = ARRAY_SIZE(exynos4_pcm0_resource),
	.resource = exynos4_pcm0_resource,
	.dev = {
		.platform_data = &s3c_pcm_pdata,
	},
};

static struct resource exynos4_pcm1_resource[] = {
	[0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM1, SZ_256),
	[1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
	[2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
};

struct platform_device exynos4_device_pcm1 = {
	.name = "samsung-pcm",
	.id = 1,
	.num_resources = ARRAY_SIZE(exynos4_pcm1_resource),
	.resource = exynos4_pcm1_resource,
	.dev = {
		.platform_data = &s3c_pcm_pdata,
	},
};

static struct resource exynos4_pcm2_resource[] = {
	[0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM2, SZ_256),
	[1] = DEFINE_RES_DMA(DMACH_PCM2_TX),
	[2] = DEFINE_RES_DMA(DMACH_PCM2_RX),
};

struct platform_device exynos4_device_pcm2 = {
	.name = "samsung-pcm",
	.id = 2,
	.num_resources = ARRAY_SIZE(exynos4_pcm2_resource),
	.resource = exynos4_pcm2_resource,
	.dev = {
		.platform_data = &s3c_pcm_pdata,
	},
};

/* AC97 Controller platform devices */

static int exynos4_ac97_cfg_gpio(struct platform_device *pdev)
{
	return s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(4));
}

static struct resource exynos4_ac97_resource[] = {
	[0] = DEFINE_RES_MEM(EXYNOS4_PA_AC97, SZ_256),
	[1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
	[2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
	[3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
	[4] = DEFINE_RES_IRQ(EXYNOS4_IRQ_AC97),
};

static struct s3c_audio_pdata s3c_ac97_pdata = {
	.cfg_gpio = exynos4_ac97_cfg_gpio,
};

static u64 exynos4_ac97_dmamask = DMA_BIT_MASK(32);

struct platform_device exynos4_device_ac97 = {
	.name = "samsung-ac97",
	.id = -1,
	.num_resources = ARRAY_SIZE(exynos4_ac97_resource),
	.resource = exynos4_ac97_resource,
	.dev = {
		.platform_data = &s3c_ac97_pdata,
		.dma_mask = &exynos4_ac97_dmamask,
		.coherent_dma_mask = DMA_BIT_MASK(32),
	},
};

/* S/PDIF Controller platform_device */

static int exynos4_spdif_cfg_gpio(struct platform_device *pdev)
{
	s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 2, S3C_GPIO_SFN(4));

	return 0;
}

static struct resource exynos4_spdif_resource[] = {
	[0] = DEFINE_RES_MEM(EXYNOS4_PA_SPDIF, SZ_256),
	[1] = DEFINE_RES_DMA(DMACH_SPDIF),
};

static struct s3c_audio_pdata samsung_spdif_pdata = {
	.cfg_gpio = exynos4_spdif_cfg_gpio,
};

static u64 exynos4_spdif_dmamask = DMA_BIT_MASK(32);

struct platform_device exynos4_device_spdif = {
	.name = "samsung-spdif",
	.id = -1,
	.num_resources = ARRAY_SIZE(exynos4_spdif_resource),
	.resource = exynos4_spdif_resource,
	.dev = {
		.platform_data = &samsung_spdif_pdata,
		.dma_mask = &exynos4_spdif_dmamask,
		.coherent_dma_mask = DMA_BIT_MASK(32),
	},
};