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-rw-r--r--arch/arm/plat-s3c/Kconfig70
-rw-r--r--arch/arm/plat-s3c/Makefile12
-rw-r--r--arch/arm/plat-s3c/dev-fb.c72
-rw-r--r--arch/arm/plat-s3c/dev-hsmmc.c68
-rw-r--r--arch/arm/plat-s3c/dev-hsmmc1.c68
-rw-r--r--arch/arm/plat-s3c/dev-i2c0.c71
-rw-r--r--arch/arm/plat-s3c/dev-i2c1.c68
-rw-r--r--arch/arm/plat-s3c/gpio-config.c163
-rw-r--r--arch/arm/plat-s3c/gpio.c147
-rw-r--r--arch/arm/plat-s3c/include/plat/devs.h8
-rw-r--r--arch/arm/plat-s3c/include/plat/fb.h73
-rw-r--r--arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h176
-rw-r--r--arch/arm/plat-s3c/include/plat/gpio-cfg.h110
-rw-r--r--arch/arm/plat-s3c/include/plat/gpio-core.h77
-rw-r--r--arch/arm/plat-s3c/include/plat/iic-core.h35
-rw-r--r--arch/arm/plat-s3c/include/plat/iic.h24
-rw-r--r--arch/arm/plat-s3c/include/plat/regs-fb.h366
-rw-r--r--arch/arm/plat-s3c/include/plat/regs-sdhci.h87
-rw-r--r--arch/arm/plat-s3c/include/plat/sdhci.h108
19 files changed, 1800 insertions, 3 deletions
diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig
index adb9060ec910..def0bb457ca3 100644
--- a/arch/arm/plat-s3c/Kconfig
+++ b/arch/arm/plat-s3c/Kconfig
@@ -110,3 +110,73 @@ config S3C_LOWLEVEL_UART_PORT
110 such as the `Uncompressing...` at start time. The value of 110 such as the `Uncompressing...` at start time. The value of
111 this configuration should be between zero and two. The port 111 this configuration should be between zero and two. The port
112 must have been initialised by the boot-loader before use. 112 must have been initialised by the boot-loader before use.
113
114# options for gpiolib support
115
116config S3C_GPIO_SPACE
117 int "Space between gpio banks"
118 default 0
119 help
120 Add a number of spare GPIO entries between each bank for debugging
121 purposes. This allows any problems where an counter overflows from
122 one bank to another to be caught, at the expense of using a little
123 more memory.
124
125config S3C_GPIO_TRACK
126 bool
127 help
128 Internal configuration option to enable the s3c specific gpio
129 chip tracking if the platform requires it.
130
131config S3C_GPIO_PULL_UPDOWN
132 bool
133 help
134 Internal configuration to enable the correct GPIO pull helper
135
136config S3C_GPIO_PULL_DOWN
137 bool
138 help
139 Internal configuration to enable the correct GPIO pull helper
140
141config S3C_GPIO_PULL_UP
142 bool
143 help
144 Internal configuration to enable the correct GPIO pull helper
145
146config S3C_GPIO_CFG_S3C24XX
147 bool
148 help
149 Internal configuration to enable S3C24XX style GPIO configuration
150 functions.
151
152config S3C_GPIO_CFG_S3C64XX
153 bool
154 help
155 Internal configuration to enable S3C64XX style GPIO configuration
156 functions.
157
158# device definitions to compile in
159
160config S3C_DEV_HSMMC
161 bool
162 depends on PLAT_S3C
163 help
164 Compile in platform device definitions for HSMMC code
165
166config S3C_DEV_HSMMC1
167 bool
168 depends on PLAT_S3C
169 help
170 Compile in platform device definitions for HSMMC channel 1
171
172config S3C_DEV_I2C1
173 bool
174 depends on PLAT_S3C
175 help
176 Compile in platform device definitions for I2C channel 1
177
178config S3C_DEV_FB
179 bool
180 depends on PLAT_S3C
181 help
182 Compile in platform device definition for framebuffer
diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile
index a2fe3c77564e..39195f972d5e 100644
--- a/arch/arm/plat-s3c/Makefile
+++ b/arch/arm/plat-s3c/Makefile
@@ -14,4 +14,14 @@ obj- :=
14obj-y += init.o 14obj-y += init.o
15obj-y += time.o 15obj-y += time.o
16obj-y += clock.o 16obj-y += clock.o
17obj-y += pwm-clock.o \ No newline at end of file 17obj-y += pwm-clock.o
18obj-y += gpio.o
19obj-y += gpio-config.o
20
21# devices
22
23obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o
24obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o
25obj-y += dev-i2c0.o
26obj-$(CONFIG_S3C_DEV_I2C1) += dev-i2c1.o
27obj-$(CONFIG_S3C_DEV_FB) += dev-fb.o
diff --git a/arch/arm/plat-s3c/dev-fb.c b/arch/arm/plat-s3c/dev-fb.c
new file mode 100644
index 000000000000..0454b8ec02e2
--- /dev/null
+++ b/arch/arm/plat-s3c/dev-fb.c
@@ -0,0 +1,72 @@
1/* linux/arch/arm/plat-s3c/dev-fb.c
2 *
3 * Copyright 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/
6 *
7 * S3C series device definition for framebuffer device
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#include <linux/kernel.h>
15#include <linux/string.h>
16#include <linux/platform_device.h>
17#include <linux/fb.h>
18
19#include <mach/map.h>
20#include <mach/regs-fb.h>
21
22#include <plat/fb.h>
23#include <plat/devs.h>
24#include <plat/cpu.h>
25
26static struct resource s3c_fb_resource[] = {
27 [0] = {
28 .start = S3C_PA_FB,
29 .end = S3C_PA_FB + SZ_16K - 1,
30 .flags = IORESOURCE_MEM,
31 },
32 [1] = {
33 .start = IRQ_LCD_VSYNC,
34 .end = IRQ_LCD_VSYNC,
35 .flags = IORESOURCE_IRQ,
36 },
37 [2] = {
38 .start = IRQ_LCD_FIFO,
39 .end = IRQ_LCD_FIFO,
40 .flags = IORESOURCE_IRQ,
41 },
42 [3] = {
43 .start = IRQ_LCD_SYSTEM,
44 .end = IRQ_LCD_SYSTEM,
45 .flags = IORESOURCE_IRQ,
46 },
47};
48
49struct platform_device s3c_device_fb = {
50 .name = "s3c-fb",
51 .id = -1,
52 .num_resources = ARRAY_SIZE(s3c_fb_resource),
53 .resource = s3c_fb_resource,
54 .dev.dma_mask = &s3c_device_fb.dev.coherent_dma_mask,
55 .dev.coherent_dma_mask = 0xffffffffUL,
56};
57
58void __init s3c_fb_set_platdata(struct s3c_fb_platdata *pd)
59{
60 struct s3c_fb_platdata *npd;
61
62 if (!pd) {
63 printk(KERN_ERR "%s: no platform data\n", __func__);
64 return;
65 }
66
67 npd = kmemdup(pd, sizeof(struct s3c_fb_platdata), GFP_KERNEL);
68 if (!npd)
69 printk(KERN_ERR "%s: no memory for platform data\n", __func__);
70
71 s3c_device_fb.dev.platform_data = npd;
72}
diff --git a/arch/arm/plat-s3c/dev-hsmmc.c b/arch/arm/plat-s3c/dev-hsmmc.c
new file mode 100644
index 000000000000..4c05b39810e2
--- /dev/null
+++ b/arch/arm/plat-s3c/dev-hsmmc.c
@@ -0,0 +1,68 @@
1/* linux/arch/arm/plat-s3c/dev-hsmmc.c
2 *
3 * Copyright (c) 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/
6 *
7 * S3C series device definition for hsmmc devices
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#include <linux/kernel.h>
15#include <linux/platform_device.h>
16#include <linux/mmc/host.h>
17
18#include <mach/map.h>
19#include <plat/sdhci.h>
20#include <plat/devs.h>
21#include <plat/cpu.h>
22
23#define S3C_SZ_HSMMC (0x1000)
24
25static struct resource s3c_hsmmc_resource[] = {
26 [0] = {
27 .start = S3C_PA_HSMMC0,
28 .end = S3C_PA_HSMMC0 + S3C_SZ_HSMMC - 1,
29 .flags = IORESOURCE_MEM,
30 },
31 [1] = {
32 .start = IRQ_HSMMC0,
33 .end = IRQ_HSMMC0,
34 .flags = IORESOURCE_IRQ,
35 }
36};
37
38static u64 s3c_device_hsmmc_dmamask = 0xffffffffUL;
39
40struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata = {
41 .max_width = 4,
42 .host_caps = (MMC_CAP_4_BIT_DATA |
43 MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
44};
45
46struct platform_device s3c_device_hsmmc0 = {
47 .name = "s3c-sdhci",
48 .id = 0,
49 .num_resources = ARRAY_SIZE(s3c_hsmmc_resource),
50 .resource = s3c_hsmmc_resource,
51 .dev = {
52 .dma_mask = &s3c_device_hsmmc_dmamask,
53 .coherent_dma_mask = 0xffffffffUL,
54 .platform_data = &s3c_hsmmc0_def_platdata,
55 },
56};
57
58void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd)
59{
60 struct s3c_sdhci_platdata *set = &s3c_hsmmc0_def_platdata;
61
62 set->max_width = pd->max_width;
63
64 if (pd->cfg_gpio)
65 set->cfg_gpio = pd->cfg_gpio;
66 if (pd->cfg_card)
67 set->cfg_card = pd->cfg_card;
68}
diff --git a/arch/arm/plat-s3c/dev-hsmmc1.c b/arch/arm/plat-s3c/dev-hsmmc1.c
new file mode 100644
index 000000000000..e49bc4cd0ee6
--- /dev/null
+++ b/arch/arm/plat-s3c/dev-hsmmc1.c
@@ -0,0 +1,68 @@
1/* linux/arch/arm/plat-s3c/dev-hsmmc1.c
2 *
3 * Copyright (c) 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/
6 *
7 * S3C series device definition for hsmmc device 1
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#include <linux/kernel.h>
15#include <linux/platform_device.h>
16#include <linux/mmc/host.h>
17
18#include <mach/map.h>
19#include <plat/sdhci.h>
20#include <plat/devs.h>
21#include <plat/cpu.h>
22
23#define S3C_SZ_HSMMC (0x1000)
24
25static struct resource s3c_hsmmc1_resource[] = {
26 [0] = {
27 .start = S3C_PA_HSMMC1,
28 .end = S3C_PA_HSMMC1 + S3C_SZ_HSMMC - 1,
29 .flags = IORESOURCE_MEM,
30 },
31 [1] = {
32 .start = IRQ_HSMMC1,
33 .end = IRQ_HSMMC1,
34 .flags = IORESOURCE_IRQ,
35 }
36};
37
38static u64 s3c_device_hsmmc1_dmamask = 0xffffffffUL;
39
40struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata = {
41 .max_width = 4,
42 .host_caps = (MMC_CAP_4_BIT_DATA |
43 MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
44};
45
46struct platform_device s3c_device_hsmmc1 = {
47 .name = "s3c-sdhci",
48 .id = 1,
49 .num_resources = ARRAY_SIZE(s3c_hsmmc1_resource),
50 .resource = s3c_hsmmc1_resource,
51 .dev = {
52 .dma_mask = &s3c_device_hsmmc1_dmamask,
53 .coherent_dma_mask = 0xffffffffUL,
54 .platform_data = &s3c_hsmmc1_def_platdata,
55 },
56};
57
58void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd)
59{
60 struct s3c_sdhci_platdata *set = &s3c_hsmmc1_def_platdata;
61
62 set->max_width = pd->max_width;
63
64 if (pd->cfg_gpio)
65 set->cfg_gpio = pd->cfg_gpio;
66 if (pd->cfg_card)
67 set->cfg_card = pd->cfg_card;
68}
diff --git a/arch/arm/plat-s3c/dev-i2c0.c b/arch/arm/plat-s3c/dev-i2c0.c
new file mode 100644
index 000000000000..2c0128c77c6e
--- /dev/null
+++ b/arch/arm/plat-s3c/dev-i2c0.c
@@ -0,0 +1,71 @@
1/* linux/arch/arm/plat-s3c/dev-i2c0.c
2 *
3 * Copyright 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/
6 *
7 * S3C series device definition for i2c device 0
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#include <linux/kernel.h>
15#include <linux/string.h>
16#include <linux/platform_device.h>
17
18#include <mach/map.h>
19
20#include <plat/regs-iic.h>
21#include <plat/iic.h>
22#include <plat/devs.h>
23#include <plat/cpu.h>
24
25static struct resource s3c_i2c_resource[] = {
26 [0] = {
27 .start = S3C_PA_IIC,
28 .end = S3C_PA_IIC + SZ_4K - 1,
29 .flags = IORESOURCE_MEM,
30 },
31 [1] = {
32 .start = IRQ_IIC,
33 .end = IRQ_IIC,
34 .flags = IORESOURCE_IRQ,
35 },
36};
37
38struct platform_device s3c_device_i2c0 = {
39 .name = "s3c2410-i2c",
40#ifdef CONFIG_S3C_DEV_I2C1
41 .id = 0,
42#else
43 .id = -1,
44#endif
45 .num_resources = ARRAY_SIZE(s3c_i2c_resource),
46 .resource = s3c_i2c_resource,
47};
48
49static struct s3c2410_platform_i2c default_i2c_data0 __initdata = {
50 .flags = 0,
51 .slave_addr = 0x10,
52 .bus_freq = 100*1000,
53 .max_freq = 400*1000,
54 .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON,
55};
56
57void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd)
58{
59 struct s3c2410_platform_i2c *npd;
60
61 if (!pd)
62 pd = &default_i2c_data0;
63
64 npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
65 if (!npd)
66 printk(KERN_ERR "%s: no memory for platform data\n", __func__);
67 else if (!npd->cfg_gpio)
68 npd->cfg_gpio = s3c_i2c0_cfg_gpio;
69
70 s3c_device_i2c0.dev.platform_data = npd;
71}
diff --git a/arch/arm/plat-s3c/dev-i2c1.c b/arch/arm/plat-s3c/dev-i2c1.c
new file mode 100644
index 000000000000..9658fb0aec95
--- /dev/null
+++ b/arch/arm/plat-s3c/dev-i2c1.c
@@ -0,0 +1,68 @@
1/* linux/arch/arm/plat-s3c/dev-i2c1.c
2 *
3 * Copyright 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/
6 *
7 * S3C series device definition for i2c device 1
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#include <linux/kernel.h>
15#include <linux/string.h>
16#include <linux/platform_device.h>
17
18#include <mach/map.h>
19
20#include <plat/regs-iic.h>
21#include <plat/iic.h>
22#include <plat/devs.h>
23#include <plat/cpu.h>
24
25static struct resource s3c_i2c_resource[] = {
26 [0] = {
27 .start = S3C_PA_IIC1,
28 .end = S3C_PA_IIC1 + SZ_4K - 1,
29 .flags = IORESOURCE_MEM,
30 },
31 [1] = {
32 .start = IRQ_IIC1,
33 .end = IRQ_IIC1,
34 .flags = IORESOURCE_IRQ,
35 },
36};
37
38struct platform_device s3c_device_i2c1 = {
39 .name = "s3c2410-i2c",
40 .id = 1,
41 .num_resources = ARRAY_SIZE(s3c_i2c_resource),
42 .resource = s3c_i2c_resource,
43};
44
45static struct s3c2410_platform_i2c default_i2c_data1 __initdata = {
46 .flags = 0,
47 .bus_num = 1,
48 .slave_addr = 0x10,
49 .bus_freq = 100*1000,
50 .max_freq = 400*1000,
51 .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON,
52};
53
54void __init s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *pd)
55{
56 struct s3c2410_platform_i2c *npd;
57
58 if (!pd)
59 pd = &default_i2c_data1;
60
61 npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
62 if (!npd)
63 printk(KERN_ERR "%s: no memory for platform data\n", __func__);
64 else if (!npd->cfg_gpio)
65 npd->cfg_gpio = s3c_i2c1_cfg_gpio;
66
67 s3c_device_i2c1.dev.platform_data = npd;
68}
diff --git a/arch/arm/plat-s3c/gpio-config.c b/arch/arm/plat-s3c/gpio-config.c
new file mode 100644
index 000000000000..7642b975a998
--- /dev/null
+++ b/arch/arm/plat-s3c/gpio-config.c
@@ -0,0 +1,163 @@
1/* linux/arch/arm/plat-s3c/gpio-config.c
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * Ben Dooks <ben@simtec.co.uk>
6 * http://armlinux.simtec.co.uk/
7 *
8 * S3C series GPIO configuration core
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15#include <linux/kernel.h>
16#include <linux/gpio.h>
17#include <linux/io.h>
18
19#include <mach/gpio-core.h>
20#include <plat/gpio-cfg.h>
21#include <plat/gpio-cfg-helpers.h>
22
23int s3c_gpio_cfgpin(unsigned int pin, unsigned int config)
24{
25 struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
26 unsigned long flags;
27 int offset;
28 int ret;
29
30 if (!chip)
31 return -EINVAL;
32
33 offset = pin - chip->chip.base;
34
35 local_irq_save(flags);
36 ret = s3c_gpio_do_setcfg(chip, offset, config);
37 local_irq_restore(flags);
38
39 return ret;
40}
41
42int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
43{
44 struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
45 unsigned long flags;
46 int offset, ret;
47
48 if (!chip)
49 return -EINVAL;
50
51 offset = pin - chip->chip.base;
52
53 local_irq_save(flags);
54 ret = s3c_gpio_do_setpull(chip, offset, pull);
55 local_irq_restore(flags);
56
57 return ret;
58}
59
60#ifdef CONFIG_S3C_GPIO_CFG_S3C24XX
61int s3c_gpio_setcfg_s3c24xx_banka(struct s3c_gpio_chip *chip,
62 unsigned int off, unsigned int cfg)
63{
64 void __iomem *reg = chip->base;
65 unsigned int shift = off;
66 u32 con;
67
68 if (s3c_gpio_is_cfg_special(cfg)) {
69 cfg &= 0xf;
70
71 /* Map output to 0, and SFN2 to 1 */
72 cfg -= 1;
73 if (cfg > 1)
74 return -EINVAL;
75
76 cfg <<= shift;
77 }
78
79 con = __raw_readl(reg);
80 con &= ~(0x1 << shift);
81 con |= cfg;
82 __raw_writel(con, reg);
83
84 return 0;
85}
86
87int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
88 unsigned int off, unsigned int cfg)
89{
90 void __iomem *reg = chip->base;
91 unsigned int shift = off * 2;
92 u32 con;
93
94 if (s3c_gpio_is_cfg_special(cfg)) {
95 cfg &= 0xf;
96 if (cfg > 3)
97 return -EINVAL;
98
99 cfg <<= shift;
100 }
101
102 con = __raw_readl(reg);
103 con &= ~(0x3 << shift);
104 con |= cfg;
105 __raw_writel(con, reg);
106
107 return 0;
108}
109#endif
110
111#ifdef CONFIG_S3C_GPIO_CFG_S3C64XX
112int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
113 unsigned int off, unsigned int cfg)
114{
115 void __iomem *reg = chip->base;
116 unsigned int shift = (off & 7) * 4;
117 u32 con;
118
119 if (off < 8 && chip->chip.ngpio >= 8)
120 reg -= 4;
121
122 if (s3c_gpio_is_cfg_special(cfg)) {
123 cfg &= 0xf;
124 cfg <<= shift;
125 }
126
127 con = __raw_readl(reg);
128 con &= ~(0xf << shift);
129 con |= cfg;
130 __raw_writel(con, reg);
131
132 return 0;
133}
134#endif /* CONFIG_S3C_GPIO_CFG_S3C64XX */
135
136#ifdef CONFIG_S3C_GPIO_PULL_UPDOWN
137int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip,
138 unsigned int off, s3c_gpio_pull_t pull)
139{
140 void __iomem *reg = chip->base + 0x08;
141 int shift = off * 2;
142 u32 pup;
143
144 pup = __raw_readl(reg);
145 pup &= ~(3 << shift);
146 pup |= pull << shift;
147 __raw_writel(pup, reg);
148
149 return 0;
150}
151
152s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip,
153 unsigned int off)
154{
155 void __iomem *reg = chip->base + 0x08;
156 int shift = off * 2;
157 u32 pup = __raw_readl(reg);
158
159 pup >>= shift;
160 pup &= 0x3;
161 return (__force s3c_gpio_pull_t)pup;
162}
163#endif
diff --git a/arch/arm/plat-s3c/gpio.c b/arch/arm/plat-s3c/gpio.c
new file mode 100644
index 000000000000..d71dd6d9ce5c
--- /dev/null
+++ b/arch/arm/plat-s3c/gpio.c
@@ -0,0 +1,147 @@
1/* linux/arch/arm/plat-s3c/gpio.c
2 *
3 * Copyright 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/
6 *
7 * S3C series GPIO core
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/io.h>
17#include <linux/gpio.h>
18
19#include <plat/gpio-core.h>
20
21#ifdef CONFIG_S3C_GPIO_TRACK
22struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END];
23
24static __init void s3c_gpiolib_track(struct s3c_gpio_chip *chip)
25{
26 unsigned int gpn;
27 int i;
28
29 gpn = chip->chip.base;
30 for (i = 0; i < chip->chip.ngpio; i++, gpn++) {
31 BUG_ON(gpn > ARRAY_SIZE(s3c_gpios));
32 s3c_gpios[gpn] = chip;
33 }
34}
35#endif /* CONFIG_S3C_GPIO_TRACK */
36
37/* Default routines for controlling GPIO, based on the original S3C24XX
38 * GPIO functions which deal with the case where each gpio bank of the
39 * chip is as following:
40 *
41 * base + 0x00: Control register, 2 bits per gpio
42 * gpio n: 2 bits starting at (2*n)
43 * 00 = input, 01 = output, others mean special-function
44 * base + 0x04: Data register, 1 bit per gpio
45 * bit n: data bit n
46*/
47
48static int s3c_gpiolib_input(struct gpio_chip *chip, unsigned offset)
49{
50 struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
51 void __iomem *base = ourchip->base;
52 unsigned long flags;
53 unsigned long con;
54
55 local_irq_save(flags);
56
57 con = __raw_readl(base + 0x00);
58 con &= ~(3 << (offset * 2));
59
60 __raw_writel(con, base + 0x00);
61
62 local_irq_restore(flags);
63 return 0;
64}
65
66static int s3c_gpiolib_output(struct gpio_chip *chip,
67 unsigned offset, int value)
68{
69 struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
70 void __iomem *base = ourchip->base;
71 unsigned long flags;
72 unsigned long dat;
73 unsigned long con;
74
75 local_irq_save(flags);
76
77 dat = __raw_readl(base + 0x04);
78 dat &= ~(1 << offset);
79 if (value)
80 dat |= 1 << offset;
81 __raw_writel(dat, base + 0x04);
82
83 con = __raw_readl(base + 0x00);
84 con &= ~(3 << (offset * 2));
85 con |= 1 << (offset * 2);
86
87 __raw_writel(con, base + 0x00);
88 __raw_writel(dat, base + 0x04);
89
90 local_irq_restore(flags);
91 return 0;
92}
93
94static void s3c_gpiolib_set(struct gpio_chip *chip,
95 unsigned offset, int value)
96{
97 struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
98 void __iomem *base = ourchip->base;
99 unsigned long flags;
100 unsigned long dat;
101
102 local_irq_save(flags);
103
104 dat = __raw_readl(base + 0x04);
105 dat &= ~(1 << offset);
106 if (value)
107 dat |= 1 << offset;
108 __raw_writel(dat, base + 0x04);
109
110 local_irq_restore(flags);
111}
112
113static int s3c_gpiolib_get(struct gpio_chip *chip, unsigned offset)
114{
115 struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
116 unsigned long val;
117
118 val = __raw_readl(ourchip->base + 0x04);
119 val >>= offset;
120 val &= 1;
121
122 return val;
123}
124
125__init void s3c_gpiolib_add(struct s3c_gpio_chip *chip)
126{
127 struct gpio_chip *gc = &chip->chip;
128 int ret;
129
130 BUG_ON(!chip->base);
131 BUG_ON(!gc->label);
132 BUG_ON(!gc->ngpio);
133
134 if (!gc->direction_input)
135 gc->direction_input = s3c_gpiolib_input;
136 if (!gc->direction_output)
137 gc->direction_output = s3c_gpiolib_output;
138 if (!gc->set)
139 gc->set = s3c_gpiolib_set;
140 if (!gc->get)
141 gc->get = s3c_gpiolib_get;
142
143 /* gpiochip_add() prints own failure message on error. */
144 ret = gpiochip_add(gc);
145 if (ret >= 0)
146 s3c_gpiolib_track(chip);
147}
diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h
index a689c7c5ac23..6b1b5231511c 100644
--- a/arch/arm/plat-s3c/include/plat/devs.h
+++ b/arch/arm/plat-s3c/include/plat/devs.h
@@ -24,15 +24,19 @@ extern struct platform_device *s3c24xx_uart_src[];
24 24
25extern struct platform_device s3c_device_timer[]; 25extern struct platform_device s3c_device_timer[];
26 26
27extern struct platform_device s3c_device_fb;
27extern struct platform_device s3c_device_usb; 28extern struct platform_device s3c_device_usb;
28extern struct platform_device s3c_device_lcd; 29extern struct platform_device s3c_device_lcd;
29extern struct platform_device s3c_device_wdt; 30extern struct platform_device s3c_device_wdt;
30extern struct platform_device s3c_device_i2c; 31extern struct platform_device s3c_device_i2c0;
32extern struct platform_device s3c_device_i2c1;
31extern struct platform_device s3c_device_iis; 33extern struct platform_device s3c_device_iis;
32extern struct platform_device s3c_device_rtc; 34extern struct platform_device s3c_device_rtc;
33extern struct platform_device s3c_device_adc; 35extern struct platform_device s3c_device_adc;
34extern struct platform_device s3c_device_sdi; 36extern struct platform_device s3c_device_sdi;
35extern struct platform_device s3c_device_hsmmc; 37extern struct platform_device s3c_device_hsmmc0;
38extern struct platform_device s3c_device_hsmmc1;
39extern struct platform_device s3c_device_hsmmc2;
36 40
37extern struct platform_device s3c_device_spi0; 41extern struct platform_device s3c_device_spi0;
38extern struct platform_device s3c_device_spi1; 42extern struct platform_device s3c_device_spi1;
diff --git a/arch/arm/plat-s3c/include/plat/fb.h b/arch/arm/plat-s3c/include/plat/fb.h
new file mode 100644
index 000000000000..214ff561b0dd
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/fb.h
@@ -0,0 +1,73 @@
1/* linux/arch/arm/plat-s3c/include/plat/fb.h
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * http://armlinux.simtec.co.uk/
6 * Ben Dooks <ben@simtec.co.uk>
7 *
8 * S3C - FB platform data definitions
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15#ifndef __PLAT_S3C_FB_H
16#define __PLAT_S3C_FB_H __FILE__
17
18/**
19 * struct s3c_fb_pd_win - per window setup data
20 * @win_mode: The display parameters to initialise (not for window 0)
21 * @virtual_x: The virtual X size.
22 * @virtual_y: The virtual Y size.
23 */
24struct s3c_fb_pd_win {
25 struct fb_videomode win_mode;
26
27 unsigned short default_bpp;
28 unsigned short max_bpp;
29 unsigned short virtual_x;
30 unsigned short virtual_y;
31};
32
33/**
34 * struct s3c_fb_platdata - S3C driver platform specific information
35 * @setup_gpio: Setup the external GPIO pins to the right state to transfer
36 * the data from the display system to the connected display
37 * device.
38 * @vidcon0: The base vidcon0 values to control the panel data format.
39 * @vidcon1: The base vidcon1 values to control the panel data output.
40 * @win: The setup data for each hardware window, or NULL for unused.
41 * @display_mode: The LCD output display mode.
42 *
43 * The platform data supplies the video driver with all the information
44 * it requires to work with the display(s) attached to the machine. It
45 * controls the initial mode, the number of display windows (0 is always
46 * the base framebuffer) that are initialised etc.
47 *
48 */
49struct s3c_fb_platdata {
50 void (*setup_gpio)(void);
51
52 struct s3c_fb_pd_win *win[S3C_FB_MAX_WIN];
53
54 u32 vidcon0;
55 u32 vidcon1;
56};
57
58/**
59 * s3c_fb_set_platdata() - Setup the FB device with platform data.
60 * @pd: The platform data to set. The data is copied from the passed structure
61 * so the machine data can mark the data __initdata so that any unused
62 * machines will end up dumping their data at runtime.
63 */
64extern void s3c_fb_set_platdata(struct s3c_fb_platdata *pd);
65
66/**
67 * s3c64xx_fb_gpio_setup_24bpp() - S3C64XX setup function for 24bpp LCD
68 *
69 * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
70 */
71extern void s3c64xx_fb_gpio_setup_24bpp(void);
72
73#endif /* __PLAT_S3C_FB_H */
diff --git a/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h
new file mode 100644
index 000000000000..652e2bbdaa20
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h
@@ -0,0 +1,176 @@
1/* linux/arch/arm/plat-s3c/include/plat/gpio-cfg-helper.h
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * http://armlinux.simtec.co.uk/
6 * Ben Dooks <ben@simtec.co.uk>
7 *
8 * S3C Platform - GPIO pin configuration helper definitions
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15/* This is meant for core cpu support, machine or other driver files
16 * should not be including this header.
17 */
18
19#ifndef __PLAT_GPIO_CFG_HELPERS_H
20#define __PLAT_GPIO_CFG_HELPERS_H __FILE__
21
22/* As a note, all gpio configuration functions are entered exclusively, either
23 * with the relevant lock held or the system prevented from doing anything else
24 * by disabling interrupts.
25*/
26
27static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip,
28 unsigned int off, unsigned int config)
29{
30 return (chip->config->set_config)(chip, off, config);
31}
32
33static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip,
34 unsigned int off, s3c_gpio_pull_t pull)
35{
36 return (chip->config->set_pull)(chip, off, pull);
37}
38
39/**
40 * s3c_gpio_setcfg_s3c24xx - S3C24XX style GPIO configuration.
41 * @chip: The gpio chip that is being configured.
42 * @off: The offset for the GPIO being configured.
43 * @cfg: The configuration value to set.
44 *
45 * This helper deal with the GPIO cases where the control register
46 * has two bits of configuration per gpio, which have the following
47 * functions:
48 * 00 = input
49 * 01 = output
50 * 1x = special function
51*/
52extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
53 unsigned int off, unsigned int cfg);
54
55/**
56 * s3c_gpio_setcfg_s3c24xx_a - S3C24XX style GPIO configuration (Bank A)
57 * @chip: The gpio chip that is being configured.
58 * @off: The offset for the GPIO being configured.
59 * @cfg: The configuration value to set.
60 *
61 * This helper deal with the GPIO cases where the control register
62 * has one bit of configuration for the gpio, where setting the bit
63 * means the pin is in special function mode and unset means output.
64*/
65extern int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
66 unsigned int off, unsigned int cfg);
67
68/**
69 * s3c_gpio_setcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config.
70 * @chip: The gpio chip that is being configured.
71 * @off: The offset for the GPIO being configured.
72 * @cfg: The configuration value to set.
73 *
74 * This helper deal with the GPIO cases where the control register has 4 bits
75 * of control per GPIO, generally in the form of:
76 * 0000 = Input
77 * 0001 = Output
78 * others = Special functions (dependant on bank)
79 *
80 * Note, since the code to deal with the case where there are two control
81 * registers instead of one, we do not have a seperate set of functions for
82 * each case.
83*/
84extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
85 unsigned int off, unsigned int cfg);
86
87
88/* Pull-{up,down} resistor controls.
89 *
90 * S3C2410,S3C2440,S3C24A0 = Pull-UP,
91 * S3C2412,S3C2413 = Pull-Down
92 * S3C6400,S3C6410 = Pull-Both [None,Down,Up,Undef]
93 * S3C2443 = Pull-Both [not same as S3C6400]
94 */
95
96/**
97 * s3c_gpio_setpull_1up() - Pull configuration for choice of up or none.
98 * @chip: The gpio chip that is being configured.
99 * @off: The offset for the GPIO being configured.
100 * @param: pull: The pull mode being requested.
101 *
102 * This is a helper function for the case where we have GPIOs with one
103 * bit configuring the presence of a pull-up resistor.
104 */
105extern int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip,
106 unsigned int off, s3c_gpio_pull_t pull);
107
108/**
109 * s3c_gpio_setpull_1down() - Pull configuration for choice of down or none
110 * @chip: The gpio chip that is being configured
111 * @off: The offset for the GPIO being configured
112 * @param: pull: The pull mode being requested
113 *
114 * This is a helper function for the case where we have GPIOs with one
115 * bit configuring the presence of a pull-down resistor.
116 */
117extern int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip,
118 unsigned int off, s3c_gpio_pull_t pull);
119
120/**
121 * s3c_gpio_setpull_upown() - Pull configuration for choice of up, down or none
122 * @chip: The gpio chip that is being configured.
123 * @off: The offset for the GPIO being configured.
124 * @param: pull: The pull mode being requested.
125 *
126 * This is a helper function for the case where we have GPIOs with two
127 * bits configuring the presence of a pull resistor, in the following
128 * order:
129 * 00 = No pull resistor connected
130 * 01 = Pull-up resistor connected
131 * 10 = Pull-down resistor connected
132 */
133extern int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip,
134 unsigned int off, s3c_gpio_pull_t pull);
135
136
137/**
138 * s3c_gpio_getpull_updown() - Get configuration for choice of up, down or none
139 * @chip: The gpio chip that the GPIO pin belongs to
140 * @off: The offset to the pin to get the configuration of.
141 *
142 * This helper function reads the state of the pull-{up,down} resistor for the
143 * given GPIO in the same case as s3c_gpio_setpull_upown.
144*/
145extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip,
146 unsigned int off);
147
148/**
149 * s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443.
150 * @chip: The gpio chip that is being configured.
151 * @off: The offset for the GPIO being configured.
152 * @param: pull: The pull mode being requested.
153 *
154 * This is a helper function for the case where we have GPIOs with two
155 * bits configuring the presence of a pull resistor, in the following
156 * order:
157 * 00 = Pull-up resistor connected
158 * 10 = Pull-down resistor connected
159 * x1 = No pull up resistor
160 */
161extern int s3c_gpio_setpull_s3c2443(struct s3c_gpio_chip *chip,
162 unsigned int off, s3c_gpio_pull_t pull);
163
164/**
165 * s3c_gpio_getpull_s3c2443() - Get configuration for s3c2443 pull resistors
166 * @chip: The gpio chip that the GPIO pin belongs to.
167 * @off: The offset to the pin to get the configuration of.
168 *
169 * This helper function reads the state of the pull-{up,down} resistor for the
170 * given GPIO in the same case as s3c_gpio_setpull_upown.
171*/
172extern s3c_gpio_pull_t s3c_gpio_getpull_s3c24xx(struct s3c_gpio_chip *chip,
173 unsigned int off);
174
175#endif /* __PLAT_GPIO_CFG_HELPERS_H */
176
diff --git a/arch/arm/plat-s3c/include/plat/gpio-cfg.h b/arch/arm/plat-s3c/include/plat/gpio-cfg.h
new file mode 100644
index 000000000000..29cd6a86cade
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/gpio-cfg.h
@@ -0,0 +1,110 @@
1/* linux/arch/arm/plat-s3c/include/plat/gpio-cfg.h
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * http://armlinux.simtec.co.uk/
6 * Ben Dooks <ben@simtec.co.uk>
7 *
8 * S3C Platform - GPIO pin configuration
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15/* This file contains the necessary definitions to get the basic gpio
16 * pin configuration done such as setting a pin to input or output or
17 * changing the pull-{up,down} configurations.
18 */
19
20/* Note, this interface is being added to the s3c64xx arch first and will
21 * be added to the s3c24xx systems later.
22 */
23
24#ifndef __PLAT_GPIO_CFG_H
25#define __PLAT_GPIO_CFG_H __FILE__
26
27typedef unsigned int __bitwise__ s3c_gpio_pull_t;
28
29/* forward declaration if gpio-core.h hasn't been included */
30struct s3c_gpio_chip;
31
32/**
33 * struct s3c_gpio_cfg GPIO configuration
34 * @cfg_eint: Configuration setting when used for external interrupt source
35 * @get_pull: Read the current pull configuration for the GPIO
36 * @set_pull: Set the current pull configuraiton for the GPIO
37 * @set_config: Set the current configuration for the GPIO
38 * @get_config: Read the current configuration for the GPIO
39 *
40 * Each chip can have more than one type of GPIO bank available and some
41 * have different capabilites even when they have the same control register
42 * layouts. Provide an point to vector control routine and provide any
43 * per-bank configuration information that other systems such as the
44 * external interrupt code will need.
45 */
46struct s3c_gpio_cfg {
47 unsigned int cfg_eint;
48
49 s3c_gpio_pull_t (*get_pull)(struct s3c_gpio_chip *chip, unsigned offs);
50 int (*set_pull)(struct s3c_gpio_chip *chip, unsigned offs,
51 s3c_gpio_pull_t pull);
52
53 unsigned (*get_config)(struct s3c_gpio_chip *chip, unsigned offs);
54 int (*set_config)(struct s3c_gpio_chip *chip, unsigned offs,
55 unsigned config);
56};
57
58#define S3C_GPIO_SPECIAL_MARK (0xfffffff0)
59#define S3C_GPIO_SPECIAL(x) (S3C_GPIO_SPECIAL_MARK | (x))
60
61/* Defines for generic pin configurations */
62#define S3C_GPIO_INPUT (S3C_GPIO_SPECIAL(0))
63#define S3C_GPIO_OUTPUT (S3C_GPIO_SPECIAL(1))
64#define S3C_GPIO_SFN(x) (S3C_GPIO_SPECIAL(x))
65
66#define s3c_gpio_is_cfg_special(_cfg) \
67 (((_cfg) & S3C_GPIO_SPECIAL_MARK) == S3C_GPIO_SPECIAL_MARK)
68
69/**
70 * s3c_gpio_cfgpin() - Change the GPIO function of a pin.
71 * @pin pin The pin number to configure.
72 * @pin to The configuration for the pin's function.
73 *
74 * Configure which function is actually connected to the external
75 * pin, such as an gpio input, output or some form of special function
76 * connected to an internal peripheral block.
77 */
78extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to);
79
80/* Define values for the pull-{up,down} available for each gpio pin.
81 *
82 * These values control the state of the weak pull-{up,down} resistors
83 * available on most pins on the S3C series. Not all chips support both
84 * up or down settings, and it may be dependant on the chip that is being
85 * used to whether the particular mode is available.
86 */
87#define S3C_GPIO_PULL_NONE ((__force s3c_gpio_pull_t)0x00)
88#define S3C_GPIO_PULL_DOWN ((__force s3c_gpio_pull_t)0x01)
89#define S3C_GPIO_PULL_UP ((__force s3c_gpio_pull_t)0x02)
90
91/**
92 * s3c_gpio_setpull() - set the state of a gpio pin pull resistor
93 * @pin: The pin number to configure the pull resistor.
94 * @pull: The configuration for the pull resistor.
95 *
96 * This function sets the state of the pull-{up,down} resistor for the
97 * specified pin. It will return 0 if successfull, or a negative error
98 * code if the pin cannot support the requested pull setting.
99*/
100extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull);
101
102/**
103 * s3c_gpio_getpull() - get the pull resistor state of a gpio pin
104 * @pin: The pin number to get the settings for
105 *
106 * Read the pull resistor value for the specified pin.
107*/
108extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
109
110#endif /* __PLAT_GPIO_CFG_H */
diff --git a/arch/arm/plat-s3c/include/plat/gpio-core.h b/arch/arm/plat-s3c/include/plat/gpio-core.h
new file mode 100644
index 000000000000..2fc60a580ac8
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/gpio-core.h
@@ -0,0 +1,77 @@
1/* linux/arch/arm/plat-s3c/include/plat/gpio-core.h
2 *
3 * Copyright 2008 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
6 *
7 * S3C Platform - GPIO core
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14/* Define the core gpiolib support functions that the s3c platforms may
15 * need to extend or change depending on the hardware and the s3c chip
16 * selected at build or found at run time.
17 *
18 * These definitions are not intended for driver inclusion, there is
19 * nothing here that should not live outside the platform and core
20 * specific code.
21*/
22
23struct s3c_gpio_cfg;
24
25/**
26 * struct s3c_gpio_chip - wrapper for specific implementation of gpio
27 * @chip: The chip structure to be exported via gpiolib.
28 * @base: The base pointer to the gpio configuration registers.
29 * @config: special function and pull-resistor control information.
30 *
31 * This wrapper provides the necessary information for the Samsung
32 * specific gpios being registered with gpiolib.
33 */
34struct s3c_gpio_chip {
35 struct gpio_chip chip;
36 struct s3c_gpio_cfg *config;
37 void __iomem *base;
38};
39
40static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc)
41{
42 return container_of(gpc, struct s3c_gpio_chip, chip);
43}
44
45/** s3c_gpiolib_add() - add the s3c specific version of a gpio_chip.
46 * @chip: The chip to register
47 *
48 * This is a wrapper to gpiochip_add() that takes our specific gpio chip
49 * information and makes the necessary alterations for the platform and
50 * notes the information for use with the configuration systems and any
51 * other parts of the system.
52 */
53extern void s3c_gpiolib_add(struct s3c_gpio_chip *chip);
54
55/* CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios
56 * for use with the configuration calls, and other parts of the s3c gpiolib
57 * support code.
58 *
59 * Not all s3c support code will need this, as some configurations of cpu
60 * may only support one or two different configuration options and have an
61 * easy gpio to s3c_gpio_chip mapping function. If this is the case, then
62 * the machine support file should provide its own s3c_gpiolib_getchip()
63 * and any other necessary functions.
64 */
65
66#ifdef CONFIG_S3C_GPIO_TRACK
67extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END];
68
69static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip)
70{
71 return (chip < S3C_GPIO_END) ? s3c_gpios[chip] : NULL;
72}
73#else
74/* machine specific code should provide s3c_gpiolib_getchip */
75
76static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { }
77#endif
diff --git a/arch/arm/plat-s3c/include/plat/iic-core.h b/arch/arm/plat-s3c/include/plat/iic-core.h
new file mode 100644
index 000000000000..36397ca20962
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/iic-core.h
@@ -0,0 +1,35 @@
1/* arch/arm/mach-s3c2410/include/mach/iic-core.h
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * Ben Dooks <ben@simtec.co.uk>
6 *
7 * S3C - I2C Controller core functions
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#ifndef __ASM_ARCH_IIC_CORE_H
15#define __ASM_ARCH_IIC_CORE_H __FILE__
16
17/* These functions are only for use with the core support code, such as
18 * the cpu specific initialisation code
19 */
20
21/* re-define device name depending on support. */
22static inline void s3c_i2c0_setname(char *name)
23{
24 /* currently this device is always compiled in */
25 s3c_device_i2c0.name = name;
26}
27
28static inline void s3c_i2c1_setname(char *name)
29{
30#ifdef CONFIG_S3C_DEV_I2C1
31 s3c_device_i2c1.name = name;
32#endif
33}
34
35#endif /* __ASM_ARCH_IIC_H */
diff --git a/arch/arm/plat-s3c/include/plat/iic.h b/arch/arm/plat-s3c/include/plat/iic.h
index 5106acaa1d0e..dc1dfcb9bc6c 100644
--- a/arch/arm/plat-s3c/include/plat/iic.h
+++ b/arch/arm/plat-s3c/include/plat/iic.h
@@ -28,6 +28,30 @@ struct s3c2410_platform_i2c {
28 unsigned long max_freq; /* max frequency for the bus */ 28 unsigned long max_freq; /* max frequency for the bus */
29 unsigned long min_freq; /* min frequency for the bus */ 29 unsigned long min_freq; /* min frequency for the bus */
30 unsigned int sda_delay; /* pclks (s3c2440 only) */ 30 unsigned int sda_delay; /* pclks (s3c2440 only) */
31
32 void (*cfg_gpio)(struct platform_device *dev);
31}; 33};
32 34
35/**
36 * s3c_i2c0_set_platdata - set platform data for i2c0 device
37 * @i2c: The platform data to set, or NULL for default data.
38 *
39 * Register the given platform data for use with the i2c0 device. This
40 * call copies the platform data, so the caller can use __initdata for
41 * their copy.
42 *
43 * This call will set cfg_gpio if is null to the default platform
44 * implementation.
45 *
46 * Any user of s3c_device_i2c0 should call this, even if it is with
47 * NULL to ensure that the device is given the default platform data
48 * as the driver will no longer carry defaults.
49 */
50extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c);
51extern void s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *i2c);
52
53/* defined by architecture to configure gpio */
54extern void s3c_i2c0_cfg_gpio(struct platform_device *dev);
55extern void s3c_i2c1_cfg_gpio(struct platform_device *dev);
56
33#endif /* __ASM_ARCH_IIC_H */ 57#endif /* __ASM_ARCH_IIC_H */
diff --git a/arch/arm/plat-s3c/include/plat/regs-fb.h b/arch/arm/plat-s3c/include/plat/regs-fb.h
new file mode 100644
index 000000000000..e9ee599d430e
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/regs-fb.h
@@ -0,0 +1,366 @@
1/* arch/arm/plat-s3c/include/plat/regs-fb.h
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * http://armlinux.simtec.co.uk/
6 * Ben Dooks <ben@simtec.co.uk>
7 *
8 * S3C Platform - new-style framebuffer register definitions
9 *
10 * This is the register set for the new style framebuffer interface
11 * found from the S3C2443 onwards into the S3C2416, S3C2450 and the
12 * S3C64XX series such as the S3C6400 and S3C6410.
13 *
14 * The file does not contain the cpu specific items which are based on
15 * whichever architecture is selected, it only contains the core of the
16 * register set. See <mach/regs-fb.h> to get the specifics.
17 *
18 * Note, we changed to using regs-fb.h as it avoids any clashes with
19 * the original regs-lcd.h so out of the way of regs-lcd.h as well as
20 * indicating the newer block is much more than just an LCD interface.
21 *
22 * This program is free software; you can redistribute it and/or modify
23 * it under the terms of the GNU General Public License version 2 as
24 * published by the Free Software Foundation.
25*/
26
27/* Please do not include this file directly, use <mach/regs-fb.h> to
28 * ensure all the localised SoC support is included as necessary.
29*/
30
31/* VIDCON0 */
32
33#define VIDCON0 (0x00)
34#define VIDCON0_INTERLACE (1 << 29)
35#define VIDCON0_VIDOUT_MASK (0x3 << 26)
36#define VIDCON0_VIDOUT_SHIFT (26)
37#define VIDCON0_VIDOUT_RGB (0x0 << 26)
38#define VIDCON0_VIDOUT_TV (0x1 << 26)
39#define VIDCON0_VIDOUT_I80_LDI0 (0x2 << 26)
40#define VIDCON0_VIDOUT_I80_LDI1 (0x3 << 26)
41
42#define VIDCON0_L1_DATA_MASK (0x7 << 23)
43#define VIDCON0_L1_DATA_SHIFT (23)
44#define VIDCON0_L1_DATA_16BPP (0x0 << 23)
45#define VIDCON0_L1_DATA_18BPP16 (0x1 << 23)
46#define VIDCON0_L1_DATA_18BPP9 (0x2 << 23)
47#define VIDCON0_L1_DATA_24BPP (0x3 << 23)
48#define VIDCON0_L1_DATA_18BPP (0x4 << 23)
49#define VIDCON0_L1_DATA_16BPP8 (0x5 << 23)
50
51#define VIDCON0_L0_DATA_MASK (0x7 << 20)
52#define VIDCON0_L0_DATA_SHIFT (20)
53#define VIDCON0_L0_DATA_16BPP (0x0 << 20)
54#define VIDCON0_L0_DATA_18BPP16 (0x1 << 20)
55#define VIDCON0_L0_DATA_18BPP9 (0x2 << 20)
56#define VIDCON0_L0_DATA_24BPP (0x3 << 20)
57#define VIDCON0_L0_DATA_18BPP (0x4 << 20)
58#define VIDCON0_L0_DATA_16BPP8 (0x5 << 20)
59
60#define VIDCON0_PNRMODE_MASK (0x3 << 17)
61#define VIDCON0_PNRMODE_SHIFT (17)
62#define VIDCON0_PNRMODE_RGB (0x0 << 17)
63#define VIDCON0_PNRMODE_BGR (0x1 << 17)
64#define VIDCON0_PNRMODE_SERIAL_RGB (0x2 << 17)
65#define VIDCON0_PNRMODE_SERIAL_BGR (0x3 << 17)
66
67#define VIDCON0_CLKVALUP (1 << 16)
68#define VIDCON0_CLKVAL_F_MASK (0xff << 6)
69#define VIDCON0_CLKVAL_F_SHIFT (6)
70#define VIDCON0_CLKVAL_F_LIMIT (0xff)
71#define VIDCON0_CLKVAL_F(_x) ((_x) << 6)
72#define VIDCON0_VLCKFREE (1 << 5)
73#define VIDCON0_CLKDIR (1 << 4)
74
75#define VIDCON0_CLKSEL_MASK (0x3 << 2)
76#define VIDCON0_CLKSEL_SHIFT (2)
77#define VIDCON0_CLKSEL_HCLK (0x0 << 2)
78#define VIDCON0_CLKSEL_LCD (0x1 << 2)
79#define VIDCON0_CLKSEL_27M (0x3 << 2)
80
81#define VIDCON0_ENVID (1 << 1)
82#define VIDCON0_ENVID_F (1 << 0)
83
84#define VIDCON1 (0x04)
85#define VIDCON1_LINECNT_MASK (0x7ff << 16)
86#define VIDCON1_LINECNT_SHIFT (16)
87#define VIDCON1_LINECNT_GET(_v) (((_v) >> 16) & 0x7ff)
88#define VIDCON1_VSTATUS_MASK (0x3 << 13)
89#define VIDCON1_VSTATUS_SHIFT (13)
90#define VIDCON1_VSTATUS_VSYNC (0x0 << 13)
91#define VIDCON1_VSTATUS_BACKPORCH (0x1 << 13)
92#define VIDCON1_VSTATUS_ACTIVE (0x2 << 13)
93#define VIDCON1_VSTATUS_FRONTPORCH (0x0 << 13)
94
95#define VIDCON1_INV_VCLK (1 << 7)
96#define VIDCON1_INV_HSYNC (1 << 6)
97#define VIDCON1_INV_VSYNC (1 << 5)
98#define VIDCON1_INV_VDEN (1 << 4)
99
100/* VIDCON2 */
101
102#define VIDCON2 (0x08)
103#define VIDCON2_EN601 (1 << 23)
104#define VIDCON2_TVFMTSEL_SW (1 << 14)
105
106#define VIDCON2_TVFMTSEL1_MASK (0x3 << 12)
107#define VIDCON2_TVFMTSEL1_SHIFT (12)
108#define VIDCON2_TVFMTSEL1_RGB (0x0 << 12)
109#define VIDCON2_TVFMTSEL1_YUV422 (0x1 << 12)
110#define VIDCON2_TVFMTSEL1_YUV444 (0x2 << 12)
111
112#define VIDCON2_ORGYCbCr (1 << 8)
113#define VIDCON2_YUVORDCrCb (1 << 7)
114
115/* VIDTCON0 */
116
117#define VIDTCON0_VBPDE_MASK (0xff << 24)
118#define VIDTCON0_VBPDE_SHIFT (24)
119#define VIDTCON0_VBPDE_LIMIT (0xff)
120#define VIDTCON0_VBPDE(_x) ((_x) << 24)
121
122#define VIDTCON0_VBPD_MASK (0xff << 16)
123#define VIDTCON0_VBPD_SHIFT (16)
124#define VIDTCON0_VBPD_LIMIT (0xff)
125#define VIDTCON0_VBPD(_x) ((_x) << 16)
126
127#define VIDTCON0_VFPD_MASK (0xff << 8)
128#define VIDTCON0_VFPD_SHIFT (8)
129#define VIDTCON0_VFPD_LIMIT (0xff)
130#define VIDTCON0_VFPD(_x) ((_x) << 8)
131
132#define VIDTCON0_VSPW_MASK (0xff << 0)
133#define VIDTCON0_VSPW_SHIFT (0)
134#define VIDTCON0_VSPW_LIMIT (0xff)
135#define VIDTCON0_VSPW(_x) ((_x) << 0)
136
137/* VIDTCON1 */
138
139#define VIDTCON1_VFPDE_MASK (0xff << 24)
140#define VIDTCON1_VFPDE_SHIFT (24)
141#define VIDTCON1_VFPDE_LIMIT (0xff)
142#define VIDTCON1_VFPDE(_x) ((_x) << 24)
143
144#define VIDTCON1_HBPD_MASK (0xff << 16)
145#define VIDTCON1_HBPD_SHIFT (16)
146#define VIDTCON1_HBPD_LIMIT (0xff)
147#define VIDTCON1_HBPD(_x) ((_x) << 16)
148
149#define VIDTCON1_HFPD_MASK (0xff << 8)
150#define VIDTCON1_HFPD_SHIFT (8)
151#define VIDTCON1_HFPD_LIMIT (0xff)
152#define VIDTCON1_HFPD(_x) ((_x) << 8)
153
154#define VIDTCON1_HSPW_MASK (0xff << 0)
155#define VIDTCON1_HSPW_SHIFT (0)
156#define VIDTCON1_HSPW_LIMIT (0xff)
157#define VIDTCON1_HSPW(_x) ((_x) << 0)
158
159#define VIDTCON2 (0x18)
160#define VIDTCON2_LINEVAL_MASK (0x7ff << 11)
161#define VIDTCON2_LINEVAL_SHIFT (11)
162#define VIDTCON2_LINEVAL_LIMIT (0x7ff)
163#define VIDTCON2_LINEVAL(_x) ((_x) << 11)
164
165#define VIDTCON2_HOZVAL_MASK (0x7ff << 0)
166#define VIDTCON2_HOZVAL_SHIFT (0)
167#define VIDTCON2_HOZVAL_LIMIT (0x7ff)
168#define VIDTCON2_HOZVAL(_x) ((_x) << 0)
169
170/* WINCONx */
171
172
173#define WINCONx_BITSWP (1 << 18)
174#define WINCONx_BYTSWP (1 << 17)
175#define WINCONx_HAWSWP (1 << 16)
176#define WINCONx_BURSTLEN_MASK (0x3 << 9)
177#define WINCONx_BURSTLEN_SHIFT (9)
178#define WINCONx_BURSTLEN_16WORD (0x0 << 9)
179#define WINCONx_BURSTLEN_8WORD (0x1 << 9)
180#define WINCONx_BURSTLEN_4WORD (0x2 << 9)
181
182#define WINCONx_ENWIN (1 << 0)
183#define WINCON0_BPPMODE_MASK (0xf << 2)
184#define WINCON0_BPPMODE_SHIFT (2)
185#define WINCON0_BPPMODE_1BPP (0x0 << 2)
186#define WINCON0_BPPMODE_2BPP (0x1 << 2)
187#define WINCON0_BPPMODE_4BPP (0x2 << 2)
188#define WINCON0_BPPMODE_8BPP_PALETTE (0x3 << 2)
189#define WINCON0_BPPMODE_16BPP_565 (0x5 << 2)
190#define WINCON0_BPPMODE_16BPP_1555 (0x7 << 2)
191#define WINCON0_BPPMODE_18BPP_666 (0x8 << 2)
192#define WINCON0_BPPMODE_24BPP_888 (0xb << 2)
193
194#define WINCON1_BLD_PIX (1 << 6)
195
196#define WINCON1_ALPHA_SEL (1 << 1)
197#define WINCON1_BPPMODE_MASK (0xf << 2)
198#define WINCON1_BPPMODE_SHIFT (2)
199#define WINCON1_BPPMODE_1BPP (0x0 << 2)
200#define WINCON1_BPPMODE_2BPP (0x1 << 2)
201#define WINCON1_BPPMODE_4BPP (0x2 << 2)
202#define WINCON1_BPPMODE_8BPP_PALETTE (0x3 << 2)
203#define WINCON1_BPPMODE_8BPP_1232 (0x4 << 2)
204#define WINCON1_BPPMODE_16BPP_565 (0x5 << 2)
205#define WINCON1_BPPMODE_16BPP_A1555 (0x6 << 2)
206#define WINCON1_BPPMODE_16BPP_I1555 (0x7 << 2)
207#define WINCON1_BPPMODE_18BPP_666 (0x8 << 2)
208#define WINCON1_BPPMODE_18BPP_A1665 (0x9 << 2)
209#define WINCON1_BPPMODE_19BPP_A1666 (0xa << 2)
210#define WINCON1_BPPMODE_24BPP_888 (0xb << 2)
211#define WINCON1_BPPMODE_24BPP_A1887 (0xc << 2)
212#define WINCON1_BPPMODE_25BPP_A1888 (0xd << 2)
213#define WINCON1_BPPMODE_28BPP_A4888 (0xd << 2)
214
215
216#define VIDOSDxA_TOPLEFT_X_MASK (0x7ff << 11)
217#define VIDOSDxA_TOPLEFT_X_SHIFT (11)
218#define VIDOSDxA_TOPLEFT_X_LIMIT (0x7ff)
219#define VIDOSDxA_TOPLEFT_X(_x) ((_x) << 11)
220
221#define VIDOSDxA_TOPLEFT_Y_MASK (0x7ff << 0)
222#define VIDOSDxA_TOPLEFT_Y_SHIFT (0)
223#define VIDOSDxA_TOPLEFT_Y_LIMIT (0x7ff)
224#define VIDOSDxA_TOPLEFT_Y(_x) ((_x) << 0)
225
226#define VIDOSDxB_BOTRIGHT_X_MASK (0x7ff << 11)
227#define VIDOSDxB_BOTRIGHT_X_SHIFT (11)
228#define VIDOSDxB_BOTRIGHT_X_LIMIT (0x7ff)
229#define VIDOSDxB_BOTRIGHT_X(_x) ((_x) << 11)
230
231#define VIDOSDxB_BOTRIGHT_Y_MASK (0x7ff << 0)
232#define VIDOSDxB_BOTRIGHT_Y_SHIFT (0)
233#define VIDOSDxB_BOTRIGHT_Y_LIMIT (0x7ff)
234#define VIDOSDxB_BOTRIGHT_Y(_x) ((_x) << 0)
235
236/* For VIDOSD[1..4]C */
237#define VIDISD14C_ALPHA0_R(_x) ((_x) << 20)
238#define VIDISD14C_ALPHA0_G_MASK (0xf << 16)
239#define VIDISD14C_ALPHA0_G_SHIFT (16)
240#define VIDISD14C_ALPHA0_G_LIMIT (0xf)
241#define VIDISD14C_ALPHA0_G(_x) ((_x) << 16)
242#define VIDISD14C_ALPHA0_B_MASK (0xf << 12)
243#define VIDISD14C_ALPHA0_B_SHIFT (12)
244#define VIDISD14C_ALPHA0_B_LIMIT (0xf)
245#define VIDISD14C_ALPHA0_B(_x) ((_x) << 12)
246#define VIDISD14C_ALPHA1_R_MASK (0xf << 8)
247#define VIDISD14C_ALPHA1_R_SHIFT (8)
248#define VIDISD14C_ALPHA1_R_LIMIT (0xf)
249#define VIDISD14C_ALPHA1_R(_x) ((_x) << 8)
250#define VIDISD14C_ALPHA1_G_MASK (0xf << 4)
251#define VIDISD14C_ALPHA1_G_SHIFT (4)
252#define VIDISD14C_ALPHA1_G_LIMIT (0xf)
253#define VIDISD14C_ALPHA1_G(_x) ((_x) << 4)
254#define VIDISD14C_ALPHA1_B_MASK (0xf << 0)
255#define VIDISD14C_ALPHA1_B_SHIFT (0)
256#define VIDISD14C_ALPHA1_B_LIMIT (0xf)
257#define VIDISD14C_ALPHA1_B(_x) ((_x) << 0)
258
259/* Video buffer addresses */
260#define VIDW_BUF_START(_buff) (0xA0 + ((_buff) * 8))
261#define VIDW_BUF_START1(_buff) (0xA4 + ((_buff) * 8))
262#define VIDW_BUF_END(_buff) (0xD0 + ((_buff) * 8))
263#define VIDW_BUF_END1(_buff) (0xD4 + ((_buff) * 8))
264#define VIDW_BUF_SIZE(_buff) (0x100 + ((_buff) * 4))
265
266#define VIDW_BUF_SIZE_OFFSET_MASK (0x1fff << 13)
267#define VIDW_BUF_SIZE_OFFSET_SHIFT (13)
268#define VIDW_BUF_SIZE_OFFSET_LIMIT (0x1fff)
269#define VIDW_BUF_SIZE_OFFSET(_x) ((_x) << 13)
270
271#define VIDW_BUF_SIZE_PAGEWIDTH_MASK (0x1fff << 0)
272#define VIDW_BUF_SIZE_PAGEWIDTH_SHIFT (0)
273#define VIDW_BUF_SIZE_PAGEWIDTH_LIMIT (0x1fff)
274#define VIDW_BUF_SIZE_PAGEWIDTH(_x) ((_x) << 0)
275
276/* Interrupt controls and status */
277
278#define VIDINTCON0_FIFOINTERVAL_MASK (0x3f << 20)
279#define VIDINTCON0_FIFOINTERVAL_SHIFT (20)
280#define VIDINTCON0_FIFOINTERVAL_LIMIT (0x3f)
281#define VIDINTCON0_FIFOINTERVAL(_x) ((_x) << 20)
282
283#define VIDINTCON0_INT_SYSMAINCON (1 << 19)
284#define VIDINTCON0_INT_SYSSUBCON (1 << 18)
285#define VIDINTCON0_INT_I80IFDONE (1 << 17)
286
287#define VIDINTCON0_FRAMESEL0_MASK (0x3 << 15)
288#define VIDINTCON0_FRAMESEL0_SHIFT (15)
289#define VIDINTCON0_FRAMESEL0_BACKPORCH (0x0 << 15)
290#define VIDINTCON0_FRAMESEL0_VSYNC (0x1 << 15)
291#define VIDINTCON0_FRAMESEL0_ACTIVE (0x2 << 15)
292#define VIDINTCON0_FRAMESEL0_FRONTPORCH (0x3 << 15)
293
294#define VIDINTCON0_FRAMESEL1 (1 << 14)
295#define VIDINTCON0_FRAMESEL1_NONE (0x0 << 14)
296#define VIDINTCON0_FRAMESEL1_BACKPORCH (0x1 << 14)
297#define VIDINTCON0_FRAMESEL1_VSYNC (0x2 << 14)
298#define VIDINTCON0_FRAMESEL1_FRONTPORCH (0x3 << 14)
299
300#define VIDINTCON0_INT_FRAME (1 << 12)
301#define VIDINTCON0_FIFIOSEL_MASK (0x7f << 5)
302#define VIDINTCON0_FIFIOSEL_SHIFT (5)
303#define VIDINTCON0_FIFIOSEL_WINDOW0 (0x1 << 5)
304#define VIDINTCON0_FIFIOSEL_WINDOW1 (0x2 << 5)
305
306#define VIDINTCON0_FIFOLEVEL_MASK (0x7 << 2)
307#define VIDINTCON0_FIFOLEVEL_SHIFT (2)
308#define VIDINTCON0_FIFOLEVEL_TO25PC (0x0 << 2)
309#define VIDINTCON0_FIFOLEVEL_TO50PC (0x1 << 2)
310#define VIDINTCON0_FIFOLEVEL_TO75PC (0x2 << 2)
311#define VIDINTCON0_FIFOLEVEL_EMPTY (0x3 << 2)
312#define VIDINTCON0_FIFOLEVEL_FULL (0x4 << 2)
313
314#define VIDINTCON0_INT_FIFO_MASK (0x3 << 0)
315#define VIDINTCON0_INT_FIFO_SHIFT (0)
316#define VIDINTCON0_INT_ENABLE (1 << 0)
317
318#define VIDINTCON1 (0x134)
319#define VIDINTCON1_INT_I180 (1 << 2)
320#define VIDINTCON1_INT_FRAME (1 << 1)
321#define VIDINTCON1_INT_FIFO (1 << 0)
322
323/* Window colour-key control registers */
324
325#define WxKEYCON0_KEYBL_EN (1 << 26)
326#define WxKEYCON0_KEYEN_F (1 << 25)
327#define WxKEYCON0_DIRCON (1 << 24)
328#define WxKEYCON0_COMPKEY_MASK (0xffffff << 0)
329#define WxKEYCON0_COMPKEY_SHIFT (0)
330#define WxKEYCON0_COMPKEY_LIMIT (0xffffff)
331#define WxKEYCON0_COMPKEY(_x) ((_x) << 0)
332#define WxKEYCON1_COLVAL_MASK (0xffffff << 0)
333#define WxKEYCON1_COLVAL_SHIFT (0)
334#define WxKEYCON1_COLVAL_LIMIT (0xffffff)
335#define WxKEYCON1_COLVAL(_x) ((_x) << 0)
336
337
338/* Window blanking (MAP) */
339
340#define WINxMAP_MAP (1 << 24)
341#define WINxMAP_MAP_COLOUR_MASK (0xffffff << 0)
342#define WINxMAP_MAP_COLOUR_SHIFT (0)
343#define WINxMAP_MAP_COLOUR_LIMIT (0xffffff)
344#define WINxMAP_MAP_COLOUR(_x) ((_x) << 0)
345
346#define WPALCON_PAL_UPDATE (1 << 9)
347#define WPALCON_W1PAL_MASK (0x7 << 3)
348#define WPALCON_W1PAL_SHIFT (3)
349#define WPALCON_W1PAL_25BPP_A888 (0x0 << 3)
350#define WPALCON_W1PAL_24BPP (0x1 << 3)
351#define WPALCON_W1PAL_19BPP_A666 (0x2 << 3)
352#define WPALCON_W1PAL_18BPP_A665 (0x3 << 3)
353#define WPALCON_W1PAL_18BPP (0x4 << 3)
354#define WPALCON_W1PAL_16BPP_A555 (0x5 << 3)
355#define WPALCON_W1PAL_16BPP_565 (0x6 << 3)
356
357#define WPALCON_W0PAL_MASK (0x7 << 0)
358#define WPALCON_W0PAL_SHIFT (0)
359#define WPALCON_W0PAL_25BPP_A888 (0x0 << 0)
360#define WPALCON_W0PAL_24BPP (0x1 << 0)
361#define WPALCON_W0PAL_19BPP_A666 (0x2 << 0)
362#define WPALCON_W0PAL_18BPP_A665 (0x3 << 0)
363#define WPALCON_W0PAL_18BPP (0x4 << 0)
364#define WPALCON_W0PAL_16BPP_A555 (0x5 << 0)
365#define WPALCON_W0PAL_16BPP_565 (0x6 << 0)
366
diff --git a/arch/arm/plat-s3c/include/plat/regs-sdhci.h b/arch/arm/plat-s3c/include/plat/regs-sdhci.h
new file mode 100644
index 000000000000..e34049ad44cc
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/regs-sdhci.h
@@ -0,0 +1,87 @@
1/* linux/arch/arm/plat-s3c/include/plat/regs-sdhci.h
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * http://armlinux.simtec.co.uk/
6 * Ben Dooks <ben@simtec.co.uk>
7 *
8 * S3C Platform - SDHCI (HSMMC) register definitions
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15#ifndef __PLAT_S3C_SDHCI_REGS_H
16#define __PLAT_S3C_SDHCI_REGS_H __FILE__
17
18#define S3C_SDHCI_CONTROL2 (0x80)
19#define S3C_SDHCI_CONTROL3 (0x84)
20#define S3C64XX_SDHCI_CONTROL4 (0x8C)
21
22#define S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR (1 << 31)
23#define S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK (1 << 30)
24#define S3C_SDHCI_CTRL2_CDINVRXD3 (1 << 29)
25#define S3C_SDHCI_CTRL2_SLCARDOUT (1 << 28)
26
27#define S3C_SDHCI_CTRL2_FLTCLKSEL_MASK (0xf << 24)
28#define S3C_SDHCI_CTRL2_FLTCLKSEL_SHIFT (24)
29#define S3C_SDHCI_CTRL2_FLTCLKSEL(_x) ((_x) << 24)
30
31#define S3C_SDHCI_CTRL2_LVLDAT_MASK (0xff << 16)
32#define S3C_SDHCI_CTRL2_LVLDAT_SHIFT (16)
33#define S3C_SDHCI_CTRL2_LVLDAT(_x) ((_x) << 16)
34
35#define S3C_SDHCI_CTRL2_ENFBCLKTX (1 << 15)
36#define S3C_SDHCI_CTRL2_ENFBCLKRX (1 << 14)
37#define S3C_SDHCI_CTRL2_SDCDSEL (1 << 13)
38#define S3C_SDHCI_CTRL2_SDSIGPC (1 << 12)
39#define S3C_SDHCI_CTRL2_ENBUSYCHKTXSTART (1 << 11)
40
41#define S3C_SDHCI_CTRL2_DFCNT_MASK (0x3 << 9)
42#define S3C_SDHCI_CTRL2_DFCNT_SHIFT (9)
43#define S3C_SDHCI_CTRL2_DFCNT_NONE (0x0 << 9)
44#define S3C_SDHCI_CTRL2_DFCNT_4SDCLK (0x1 << 9)
45#define S3C_SDHCI_CTRL2_DFCNT_16SDCLK (0x2 << 9)
46#define S3C_SDHCI_CTRL2_DFCNT_64SDCLK (0x3 << 9)
47
48#define S3C_SDHCI_CTRL2_ENCLKOUTHOLD (1 << 8)
49#define S3C_SDHCI_CTRL2_RWAITMODE (1 << 7)
50#define S3C_SDHCI_CTRL2_DISBUFRD (1 << 6)
51#define S3C_SDHCI_CTRL2_SELBASECLK_MASK (0x3 << 4)
52#define S3C_SDHCI_CTRL2_SELBASECLK_SHIFT (4)
53#define S3C_SDHCI_CTRL2_PWRSYNC (1 << 3)
54#define S3C_SDHCI_CTRL2_ENCLKOUTMSKCON (1 << 1)
55#define S3C_SDHCI_CTRL2_HWINITFIN (1 << 0)
56
57#define S3C_SDHCI_CTRL3_FCSEL3 (1 << 31)
58#define S3C_SDHCI_CTRL3_FCSEL2 (1 << 23)
59#define S3C_SDHCI_CTRL3_FCSEL1 (1 << 15)
60#define S3C_SDHCI_CTRL3_FCSEL0 (1 << 7)
61
62#define S3C_SDHCI_CTRL3_FIA3_MASK (0x7f << 24)
63#define S3C_SDHCI_CTRL3_FIA3_SHIFT (24)
64#define S3C_SDHCI_CTRL3_FIA3(_x) ((_x) << 24)
65
66#define S3C_SDHCI_CTRL3_FIA2_MASK (0x7f << 16)
67#define S3C_SDHCI_CTRL3_FIA2_SHIFT (16)
68#define S3C_SDHCI_CTRL3_FIA2(_x) ((_x) << 16)
69
70#define S3C_SDHCI_CTRL3_FIA1_MASK (0x7f << 8)
71#define S3C_SDHCI_CTRL3_FIA1_SHIFT (8)
72#define S3C_SDHCI_CTRL3_FIA1(_x) ((_x) << 8)
73
74#define S3C_SDHCI_CTRL3_FIA0_MASK (0x7f << 0)
75#define S3C_SDHCI_CTRL3_FIA0_SHIFT (0)
76#define S3C_SDHCI_CTRL3_FIA0(_x) ((_x) << 0)
77
78#define S3C64XX_SDHCI_CONTROL4_DRIVE_MASK (0x3 << 16)
79#define S3C64XX_SDHCI_CONTROL4_DRIVE_SHIFT (16)
80#define S3C64XX_SDHCI_CONTROL4_DRIVE_2mA (0x0 << 16)
81#define S3C64XX_SDHCI_CONTROL4_DRIVE_4mA (0x1 << 16)
82#define S3C64XX_SDHCI_CONTROL4_DRIVE_7mA (0x2 << 16)
83#define S3C64XX_SDHCI_CONTROL4_DRIVE_9mA (0x3 << 16)
84
85#define S3C64XX_SDHCI_CONTROL4_BUSY (1)
86
87#endif /* __PLAT_S3C_SDHCI_REGS_H */
diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h
new file mode 100644
index 000000000000..c4ca3920ca4b
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/sdhci.h
@@ -0,0 +1,108 @@
1/* linux/arch/arm/plat-s3c/include/plat/sdhci.h
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * http://armlinux.simtec.co.uk/
6 * Ben Dooks <ben@simtec.co.uk>
7 *
8 * S3C Platform - SDHCI (HSMMC) platform data definitions
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15#ifndef __PLAT_S3C_SDHCI_H
16#define __PLAT_S3C_SDHCI_H __FILE__
17
18struct platform_device;
19struct mmc_host;
20struct mmc_card;
21struct mmc_ios;
22
23/**
24 * struct s3c_sdhci_platdata() - Platform device data for Samsung SDHCI
25 * @max_width: The maximum number of data bits supported.
26 * @host_caps: Standard MMC host capabilities bit field.
27 * @cfg_gpio: Configure the GPIO for a specific card bit-width
28 * @cfg_card: Configure the interface for a specific card and speed. This
29 * is necessary the controllers and/or GPIO blocks require the
30 * changing of driver-strength and other controls dependant on
31 * the card and speed of operation.
32 *
33 * Initialisation data specific to either the machine or the platform
34 * for the device driver to use or call-back when configuring gpio or
35 * card speed information.
36*/
37struct s3c_sdhci_platdata {
38 unsigned int max_width;
39 unsigned int host_caps;
40
41 char **clocks; /* set of clock sources */
42
43 void (*cfg_gpio)(struct platform_device *dev, int width);
44 void (*cfg_card)(struct platform_device *dev,
45 void __iomem *regbase,
46 struct mmc_ios *ios,
47 struct mmc_card *card);
48};
49
50/**
51 * s3c_sdhci0_set_platdata - Set platform data for S3C SDHCI device.
52 * @pd: Platform data to register to device.
53 *
54 * Register the given platform data for use withe S3C SDHCI device.
55 * The call will copy the platform data, so the board definitions can
56 * make the structure itself __initdata.
57 */
58extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd);
59extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd);
60
61/* Default platform data, exported so that per-cpu initialisation can
62 * set the correct one when there are more than one cpu type selected.
63*/
64
65extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata;
66extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
67
68/* Helper function availablity */
69
70#ifdef CONFIG_S3C6410_SETUP_SDHCI
71extern char *s3c6410_hsmmc_clksrcs[4];
72
73extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
74extern void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
75
76extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
77 void __iomem *r,
78 struct mmc_ios *ios,
79 struct mmc_card *card);
80
81#ifdef CONFIG_S3C_DEV_HSMMC
82static inline void s3c6410_default_sdhci0(void)
83{
84 s3c_hsmmc0_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
85 s3c_hsmmc0_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio;
86 s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
87}
88#else
89static inline void s3c6410_default_sdhci0(void) { }
90#endif /* CONFIG_S3C_DEV_HSMMC */
91
92#ifdef CONFIG_S3C_DEV_HSMMC1
93static inline void s3c6410_default_sdhci1(void)
94{
95 s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
96 s3c_hsmmc1_def_platdata.cfg_gpio = s3c6410_setup_sdhci1_cfg_gpio;
97 s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
98}
99#else
100static inline void s3c6410_default_sdhci1(void) { }
101#endif /* CONFIG_S3C_DEV_HSMMC1 */
102
103#else
104static inline void s3c6410_default_sdhci0(void) { }
105static inline void s3c6410_default_sdhci1(void) { }
106#endif /* CONFIG_S3C6410_SETUP_SDHCI */
107
108#endif /* __PLAT_S3C_SDHCI_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-27 04:35:32 -0500