1// SPDX-License-Identifier: GPL-2.0
2//
3// Copyright 2009 Wolfson Microelectronics
4//      Mark Brown <broonie@opensource.wolfsonmicro.com>
5
6#include <linux/kernel.h>
7#include <linux/string.h>
8#include <linux/platform_device.h>
9#include <linux/dma-mapping.h>
10#include <linux/gpio.h>
11#include <linux/export.h>
12
13#include <mach/irqs.h>
14#include "map.h"
15
16#include "devs.h"
17#include <linux/platform_data/asoc-s3c.h>
18#include "gpio-cfg.h"
19#include "gpio-samsung.h"
20
21static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
22{
23	unsigned int base;
24
25	switch (pdev->id) {
26	case 0:
27		base = S3C64XX_GPD(0);
28		break;
29	case 1:
30		base = S3C64XX_GPE(0);
31		break;
32	case 2:
33		s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
34		s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
35		s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
36		s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
37		return 0;
38	default:
39		printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
40			pdev->id);
41		return -EINVAL;
42	}
43
44	s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
45
46	return 0;
47}
48
49static struct resource s3c64xx_iis0_resource[] = {
50	[0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
51};
52
53static struct s3c_audio_pdata i2s0_pdata = {
54	.cfg_gpio = s3c64xx_i2s_cfg_gpio,
55};
56
57struct platform_device s3c64xx_device_iis0 = {
58	.name		  = "samsung-i2s",
59	.id		  = 0,
60	.num_resources	  = ARRAY_SIZE(s3c64xx_iis0_resource),
61	.resource	  = s3c64xx_iis0_resource,
62	.dev = {
63		.platform_data = &i2s0_pdata,
64	},
65};
66EXPORT_SYMBOL(s3c64xx_device_iis0);
67
68static struct resource s3c64xx_iis1_resource[] = {
69	[0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
70};
71
72static struct s3c_audio_pdata i2s1_pdata = {
73	.cfg_gpio = s3c64xx_i2s_cfg_gpio,
74};
75
76struct platform_device s3c64xx_device_iis1 = {
77	.name		  = "samsung-i2s",
78	.id		  = 1,
79	.num_resources	  = ARRAY_SIZE(s3c64xx_iis1_resource),
80	.resource	  = s3c64xx_iis1_resource,
81	.dev = {
82		.platform_data = &i2s1_pdata,
83	},
84};
85EXPORT_SYMBOL(s3c64xx_device_iis1);
86
87static struct resource s3c64xx_iisv4_resource[] = {
88	[0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
89};
90
91static struct s3c_audio_pdata i2sv4_pdata = {
92	.cfg_gpio = s3c64xx_i2s_cfg_gpio,
93	.type = {
94		.quirks = QUIRK_PRI_6CHAN,
95	},
96};
97
98struct platform_device s3c64xx_device_iisv4 = {
99	.name = "samsung-i2s",
100	.id = 2,
101	.num_resources	  = ARRAY_SIZE(s3c64xx_iisv4_resource),
102	.resource	  = s3c64xx_iisv4_resource,
103	.dev = {
104		.platform_data = &i2sv4_pdata,
105	},
106};
107EXPORT_SYMBOL(s3c64xx_device_iisv4);
108
109
110/* PCM Controller platform_devices */
111
112static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
113{
114	unsigned int base;
115
116	switch (pdev->id) {
117	case 0:
118		base = S3C64XX_GPD(0);
119		break;
120	case 1:
121		base = S3C64XX_GPE(0);
122		break;
123	default:
124		printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
125			pdev->id);
126		return -EINVAL;
127	}
128
129	s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
130	return 0;
131}
132
133static struct resource s3c64xx_pcm0_resource[] = {
134	[0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
135};
136
137static struct s3c_audio_pdata s3c_pcm0_pdata = {
138	.cfg_gpio = s3c64xx_pcm_cfg_gpio,
139};
140
141struct platform_device s3c64xx_device_pcm0 = {
142	.name		  = "samsung-pcm",
143	.id		  = 0,
144	.num_resources	  = ARRAY_SIZE(s3c64xx_pcm0_resource),
145	.resource	  = s3c64xx_pcm0_resource,
146	.dev = {
147		.platform_data = &s3c_pcm0_pdata,
148	},
149};
150EXPORT_SYMBOL(s3c64xx_device_pcm0);
151
152static struct resource s3c64xx_pcm1_resource[] = {
153	[0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
154};
155
156static struct s3c_audio_pdata s3c_pcm1_pdata = {
157	.cfg_gpio = s3c64xx_pcm_cfg_gpio,
158};
159
160struct platform_device s3c64xx_device_pcm1 = {
161	.name		  = "samsung-pcm",
162	.id		  = 1,
163	.num_resources	  = ARRAY_SIZE(s3c64xx_pcm1_resource),
164	.resource	  = s3c64xx_pcm1_resource,
165	.dev = {
166		.platform_data = &s3c_pcm1_pdata,
167	},
168};
169EXPORT_SYMBOL(s3c64xx_device_pcm1);
170
171/* AC97 Controller platform devices */
172
173static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
174{
175	return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
176}
177
178static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
179{
180	return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
181}
182
183static struct resource s3c64xx_ac97_resource[] = {
184	[0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
185	[1] = DEFINE_RES_IRQ(IRQ_AC97),
186};
187
188static struct s3c_audio_pdata s3c_ac97_pdata = {
189};
190
191static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
192
193struct platform_device s3c64xx_device_ac97 = {
194	.name		  = "samsung-ac97",
195	.id		  = -1,
196	.num_resources	  = ARRAY_SIZE(s3c64xx_ac97_resource),
197	.resource	  = s3c64xx_ac97_resource,
198	.dev = {
199		.platform_data = &s3c_ac97_pdata,
200		.dma_mask = &s3c64xx_ac97_dmamask,
201		.coherent_dma_mask = DMA_BIT_MASK(32),
202	},
203};
204EXPORT_SYMBOL(s3c64xx_device_ac97);
205
206void __init s3c64xx_ac97_setup_gpio(int num)
207{
208	if (num == S3C64XX_AC97_GPD)
209		s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
210	else
211		s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
212}
213