diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-12-18 11:17:37 -0500 |
---|---|---|
committer | Ben Dooks <ben-linux@fluff.org> | 2008-12-18 11:17:37 -0500 |
commit | 56c035c9ce1f1850969778af6a4cc0b99089b6c8 (patch) | |
tree | b6f1998be0c1e6bb623a0c55e8ba04d74bb58cf2 /arch/arm/mach-s3c6400 | |
parent | 7f2754378f3522a42daafdbb9d2385f341008454 (diff) | |
parent | 438a5d42e052ec6126c5f1e24763b711210db33e (diff) |
Merge branch 'next-s3c64xx-device' into next-merged
Conflicts:
arch/arm/mach-s3c2440/mach-at2440evb.c
Diffstat (limited to 'arch/arm/mach-s3c6400')
-rw-r--r-- | arch/arm/mach-s3c6400/include/mach/gpio-core.h | 21 | ||||
-rw-r--r-- | arch/arm/mach-s3c6400/include/mach/gpio.h | 76 | ||||
-rw-r--r-- | arch/arm/mach-s3c6400/include/mach/map.h | 15 | ||||
-rw-r--r-- | arch/arm/mach-s3c6400/include/mach/regs-fb.h | 259 |
4 files changed, 370 insertions, 1 deletions
diff --git a/arch/arm/mach-s3c6400/include/mach/gpio-core.h b/arch/arm/mach-s3c6400/include/mach/gpio-core.h new file mode 100644 index 000000000000..d89aae68b0a5 --- /dev/null +++ b/arch/arm/mach-s3c6400/include/mach/gpio-core.h | |||
@@ -0,0 +1,21 @@ | |||
1 | /* arch/arm/mach-s3c6400/include/mach/gpio-core.h | ||
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 | * S3C64XX - GPIO core support | ||
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 __ASM_ARCH_GPIO_CORE_H | ||
16 | #define __ASM_ARCH_GPIO_CORE_H __FILE__ | ||
17 | |||
18 | /* currently we just include the platform support */ | ||
19 | #include <plat/gpio-core.h> | ||
20 | |||
21 | #endif /* __ASM_ARCH_GPIO_CORE_H */ | ||
diff --git a/arch/arm/mach-s3c6400/include/mach/gpio.h b/arch/arm/mach-s3c6400/include/mach/gpio.h index 8b4254a23d9a..e8e35e8fe731 100644 --- a/arch/arm/mach-s3c6400/include/mach/gpio.h +++ b/arch/arm/mach-s3c6400/include/mach/gpio.h | |||
@@ -17,6 +17,80 @@ | |||
17 | #define gpio_cansleep __gpio_cansleep | 17 | #define gpio_cansleep __gpio_cansleep |
18 | #define gpio_to_irq __gpio_to_irq | 18 | #define gpio_to_irq __gpio_to_irq |
19 | 19 | ||
20 | #define ARCH_NR_GPIOS 188 | 20 | /* GPIO bank sizes */ |
21 | #define S3C64XX_GPIO_A_NR (8) | ||
22 | #define S3C64XX_GPIO_B_NR (7) | ||
23 | #define S3C64XX_GPIO_C_NR (8) | ||
24 | #define S3C64XX_GPIO_D_NR (5) | ||
25 | #define S3C64XX_GPIO_E_NR (5) | ||
26 | #define S3C64XX_GPIO_F_NR (16) | ||
27 | #define S3C64XX_GPIO_G_NR (7) | ||
28 | #define S3C64XX_GPIO_H_NR (10) | ||
29 | #define S3C64XX_GPIO_I_NR (16) | ||
30 | #define S3C64XX_GPIO_J_NR (12) | ||
31 | #define S3C64XX_GPIO_K_NR (16) | ||
32 | #define S3C64XX_GPIO_L_NR (15) | ||
33 | #define S3C64XX_GPIO_M_NR (6) | ||
34 | #define S3C64XX_GPIO_N_NR (16) | ||
35 | #define S3C64XX_GPIO_O_NR (16) | ||
36 | #define S3C64XX_GPIO_P_NR (15) | ||
37 | #define S3C64XX_GPIO_Q_NR (9) | ||
38 | |||
39 | /* GPIO bank numbes */ | ||
40 | |||
41 | /* CONFIG_S3C_GPIO_SPACE allows the user to select extra | ||
42 | * space for debugging purposes so that any accidental | ||
43 | * change from one gpio bank to another can be caught. | ||
44 | */ | ||
45 | |||
46 | #define S3C64XX_GPIO_NEXT(__gpio) \ | ||
47 | ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1) | ||
48 | |||
49 | enum s3c_gpio_number { | ||
50 | S3C64XX_GPIO_A_START = 0, | ||
51 | S3C64XX_GPIO_B_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_A), | ||
52 | S3C64XX_GPIO_C_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_B), | ||
53 | S3C64XX_GPIO_D_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_C), | ||
54 | S3C64XX_GPIO_E_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_D), | ||
55 | S3C64XX_GPIO_F_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_E), | ||
56 | S3C64XX_GPIO_G_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_F), | ||
57 | S3C64XX_GPIO_H_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_G), | ||
58 | S3C64XX_GPIO_I_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_H), | ||
59 | S3C64XX_GPIO_J_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_I), | ||
60 | S3C64XX_GPIO_K_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_J), | ||
61 | S3C64XX_GPIO_L_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_K), | ||
62 | S3C64XX_GPIO_M_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_L), | ||
63 | S3C64XX_GPIO_N_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_M), | ||
64 | S3C64XX_GPIO_O_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_N), | ||
65 | S3C64XX_GPIO_P_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_O), | ||
66 | S3C64XX_GPIO_Q_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_P), | ||
67 | }; | ||
68 | |||
69 | /* S3C64XX GPIO number definitions. */ | ||
70 | |||
71 | #define S3C64XX_GPA(_nr) (S3C64XX_GPIO_A_START + (_nr)) | ||
72 | #define S3C64XX_GPB(_nr) (S3C64XX_GPIO_B_START + (_nr)) | ||
73 | #define S3C64XX_GPC(_nr) (S3C64XX_GPIO_C_START + (_nr)) | ||
74 | #define S3C64XX_GPD(_nr) (S3C64XX_GPIO_D_START + (_nr)) | ||
75 | #define S3C64XX_GPE(_nr) (S3C64XX_GPIO_E_START + (_nr)) | ||
76 | #define S3C64XX_GPF(_nr) (S3C64XX_GPIO_F_START + (_nr)) | ||
77 | #define S3C64XX_GPG(_nr) (S3C64XX_GPIO_G_START + (_nr)) | ||
78 | #define S3C64XX_GPH(_nr) (S3C64XX_GPIO_H_START + (_nr)) | ||
79 | #define S3C64XX_GPI(_nr) (S3C64XX_GPIO_I_START + (_nr)) | ||
80 | #define S3C64XX_GPJ(_nr) (S3C64XX_GPIO_J_START + (_nr)) | ||
81 | #define S3C64XX_GPK(_nr) (S3C64XX_GPIO_K_START + (_nr)) | ||
82 | #define S3C64XX_GPL(_nr) (S3C64XX_GPIO_L_START + (_nr)) | ||
83 | #define S3C64XX_GPM(_nr) (S3C64XX_GPIO_M_START + (_nr)) | ||
84 | #define S3C64XX_GPN(_nr) (S3C64XX_GPIO_N_START + (_nr)) | ||
85 | #define S3C64XX_GPO(_nr) (S3C64XX_GPIO_O_START + (_nr)) | ||
86 | #define S3C64XX_GPP(_nr) (S3C64XX_GPIO_P_START + (_nr)) | ||
87 | #define S3C64XX_GPQ(_nr) (S3C64XX_GPIO_Q_START + (_nr)) | ||
88 | |||
89 | /* the end of the S3C64XX specific gpios */ | ||
90 | #define S3C64XX_GPIO_END (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1) | ||
91 | #define S3C_GPIO_END S3C64XX_GPIO_END | ||
92 | |||
93 | /* define the number of gpios we need to the one after the GPQ() range */ | ||
94 | #define ARCH_NR_GPIOS (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1) | ||
21 | 95 | ||
22 | #include <asm-generic/gpio.h> | 96 | #include <asm-generic/gpio.h> |
diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h index 618f09d637b2..cff27d813fc6 100644 --- a/arch/arm/mach-s3c6400/include/mach/map.h +++ b/arch/arm/mach-s3c6400/include/mach/map.h | |||
@@ -17,6 +17,12 @@ | |||
17 | 17 | ||
18 | #include <plat/map-base.h> | 18 | #include <plat/map-base.h> |
19 | 19 | ||
20 | /* HSMMC units */ | ||
21 | #define S3C64XX_PA_HSMMC(x) (0x7C200000 + ((x) * 0x100000)) | ||
22 | #define S3C64XX_PA_HSMMC0 S3C64XX_PA_HSMMC(0) | ||
23 | #define S3C64XX_PA_HSMMC1 S3C64XX_PA_HSMMC(1) | ||
24 | #define S3C64XX_PA_HSMMC2 S3C64XX_PA_HSMMC(2) | ||
25 | |||
20 | #define S3C_PA_UART (0x7F005000) | 26 | #define S3C_PA_UART (0x7F005000) |
21 | #define S3C_PA_UART0 (S3C_PA_UART + 0x00) | 27 | #define S3C_PA_UART0 (S3C_PA_UART + 0x00) |
22 | #define S3C_PA_UART1 (S3C_PA_UART + 0x400) | 28 | #define S3C_PA_UART1 (S3C_PA_UART + 0x400) |
@@ -32,8 +38,11 @@ | |||
32 | #define S3C_VA_UART2 S3C_VA_UARTx(2) | 38 | #define S3C_VA_UART2 S3C_VA_UARTx(2) |
33 | #define S3C_VA_UART3 S3C_VA_UARTx(3) | 39 | #define S3C_VA_UART3 S3C_VA_UARTx(3) |
34 | 40 | ||
41 | #define S3C64XX_PA_FB (0x77100000) | ||
35 | #define S3C64XX_PA_SYSCON (0x7E00F000) | 42 | #define S3C64XX_PA_SYSCON (0x7E00F000) |
36 | #define S3C64XX_PA_TIMER (0x7F006000) | 43 | #define S3C64XX_PA_TIMER (0x7F006000) |
44 | #define S3C64XX_PA_IIC0 (0x7F004000) | ||
45 | #define S3C64XX_PA_IIC1 (0x7F00F000) | ||
37 | 46 | ||
38 | #define S3C64XX_PA_GPIO (0x7F008000) | 47 | #define S3C64XX_PA_GPIO (0x7F008000) |
39 | #define S3C64XX_VA_GPIO S3C_ADDR(0x00500000) | 48 | #define S3C64XX_VA_GPIO S3C_ADDR(0x00500000) |
@@ -49,5 +58,11 @@ | |||
49 | 58 | ||
50 | /* compatibiltiy defines. */ | 59 | /* compatibiltiy defines. */ |
51 | #define S3C_PA_TIMER S3C64XX_PA_TIMER | 60 | #define S3C_PA_TIMER S3C64XX_PA_TIMER |
61 | #define S3C_PA_HSMMC0 S3C64XX_PA_HSMMC0 | ||
62 | #define S3C_PA_HSMMC1 S3C64XX_PA_HSMMC1 | ||
63 | #define S3C_PA_HSMMC2 S3C64XX_PA_HSMMC2 | ||
64 | #define S3C_PA_IIC S3C64XX_PA_IIC0 | ||
65 | #define S3C_PA_IIC1 S3C64XX_PA_IIC1 | ||
66 | #define S3C_PA_FB S3C64XX_PA_FB | ||
52 | 67 | ||
53 | #endif /* __ASM_ARCH_6400_MAP_H */ | 68 | #endif /* __ASM_ARCH_6400_MAP_H */ |
diff --git a/arch/arm/mach-s3c6400/include/mach/regs-fb.h b/arch/arm/mach-s3c6400/include/mach/regs-fb.h new file mode 100644 index 000000000000..47019795ce06 --- /dev/null +++ b/arch/arm/mach-s3c6400/include/mach/regs-fb.h | |||
@@ -0,0 +1,259 @@ | |||
1 | /* arch/arm/mach-s3c6400/include/mach/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 | * S3C64XX - new-style framebuffer register definitions | ||
9 | * | ||
10 | * This is the register set for the new style framebuffer interface | ||
11 | * found from the S3C2443 onwards and specifically the S3C64XX series | ||
12 | * S3C6400 and S3C6410. | ||
13 | * | ||
14 | * The file contains the cpu specific items which change between whichever | ||
15 | * architecture is selected. See <plat/regs-fb.h> for the core definitions | ||
16 | * that are the same. | ||
17 | * | ||
18 | * This program is free software; you can redistribute it and/or modify | ||
19 | * it under the terms of the GNU General Public License version 2 as | ||
20 | * published by the Free Software Foundation. | ||
21 | */ | ||
22 | |||
23 | /* include the core definitions here, in case we really do need to | ||
24 | * override them at a later date. | ||
25 | */ | ||
26 | |||
27 | #include <plat/regs-fb.h> | ||
28 | |||
29 | #define S3C_FB_MAX_WIN (5) /* number of hardware windows available. */ | ||
30 | #define VIDCON1_FSTATUS_EVEN (1 << 15) | ||
31 | |||
32 | /* Video timing controls */ | ||
33 | #define VIDTCON0 (0x10) | ||
34 | #define VIDTCON1 (0x14) | ||
35 | #define VIDTCON2 (0x18) | ||
36 | |||
37 | /* Window position controls */ | ||
38 | |||
39 | #define WINCON(_win) (0x20 + ((_win) * 4)) | ||
40 | |||
41 | /* OSD1 and OSD4 do not have register D */ | ||
42 | |||
43 | #define VIDOSD_A(_win) (0x40 + ((_win) * 16)) | ||
44 | #define VIDOSD_B(_win) (0x44 + ((_win) * 16)) | ||
45 | #define VIDOSD_C(_win) (0x48 + ((_win) * 16)) | ||
46 | #define VIDOSD_D(_win) (0x4C + ((_win) * 16)) | ||
47 | |||
48 | /* Video buffer addresses */ | ||
49 | |||
50 | #define VIDW_BUF_START(_buff) (0xA0 + ((_buff) * 8)) | ||
51 | #define VIDW_BUF_START1(_buff) (0xA4 + ((_buff) * 8)) | ||
52 | #define VIDW_BUF_END(_buff) (0xD0 + ((_buff) * 8)) | ||
53 | #define VIDW_BUF_END1(_buff) (0xD4 + ((_buff) * 8)) | ||
54 | #define VIDW_BUF_SIZE(_buff) (0x100 + ((_buff) * 4)) | ||
55 | |||
56 | #define VIDINTCON0 (0x130) | ||
57 | |||
58 | #define WxKEYCONy(_win, _con) ((0x140 + ((_win) * 8)) + ((_con) * 4)) | ||
59 | |||
60 | /* WINCONx */ | ||
61 | |||
62 | #define WINCONx_CSCWIDTH_MASK (0x3 << 26) | ||
63 | #define WINCONx_CSCWIDTH_SHIFT (26) | ||
64 | #define WINCONx_CSCWIDTH_WIDE (0x0 << 26) | ||
65 | #define WINCONx_CSCWIDTH_NARROW (0x3 << 26) | ||
66 | |||
67 | #define WINCONx_ENLOCAL (1 << 22) | ||
68 | #define WINCONx_BUFSTATUS (1 << 21) | ||
69 | #define WINCONx_BUFSEL (1 << 20) | ||
70 | #define WINCONx_BUFAUTOEN (1 << 19) | ||
71 | #define WINCONx_YCbCr (1 << 13) | ||
72 | |||
73 | #define WINCON1_LOCALSEL_CAMIF (1 << 23) | ||
74 | |||
75 | #define WINCON2_LOCALSEL_CAMIF (1 << 23) | ||
76 | #define WINCON2_BLD_PIX (1 << 6) | ||
77 | |||
78 | #define WINCON2_ALPHA_SEL (1 << 1) | ||
79 | #define WINCON2_BPPMODE_MASK (0xf << 2) | ||
80 | #define WINCON2_BPPMODE_SHIFT (2) | ||
81 | #define WINCON2_BPPMODE_1BPP (0x0 << 2) | ||
82 | #define WINCON2_BPPMODE_2BPP (0x1 << 2) | ||
83 | #define WINCON2_BPPMODE_4BPP (0x2 << 2) | ||
84 | #define WINCON2_BPPMODE_8BPP_1232 (0x4 << 2) | ||
85 | #define WINCON2_BPPMODE_16BPP_565 (0x5 << 2) | ||
86 | #define WINCON2_BPPMODE_16BPP_A1555 (0x6 << 2) | ||
87 | #define WINCON2_BPPMODE_16BPP_I1555 (0x7 << 2) | ||
88 | #define WINCON2_BPPMODE_18BPP_666 (0x8 << 2) | ||
89 | #define WINCON2_BPPMODE_18BPP_A1665 (0x9 << 2) | ||
90 | #define WINCON2_BPPMODE_19BPP_A1666 (0xa << 2) | ||
91 | #define WINCON2_BPPMODE_24BPP_888 (0xb << 2) | ||
92 | #define WINCON2_BPPMODE_24BPP_A1887 (0xc << 2) | ||
93 | #define WINCON2_BPPMODE_25BPP_A1888 (0xd << 2) | ||
94 | #define WINCON2_BPPMODE_28BPP_A4888 (0xd << 2) | ||
95 | |||
96 | #define WINCON3_BLD_PIX (1 << 6) | ||
97 | |||
98 | #define WINCON3_ALPHA_SEL (1 << 1) | ||
99 | #define WINCON3_BPPMODE_MASK (0xf << 2) | ||
100 | #define WINCON3_BPPMODE_SHIFT (2) | ||
101 | #define WINCON3_BPPMODE_1BPP (0x0 << 2) | ||
102 | #define WINCON3_BPPMODE_2BPP (0x1 << 2) | ||
103 | #define WINCON3_BPPMODE_4BPP (0x2 << 2) | ||
104 | #define WINCON3_BPPMODE_16BPP_565 (0x5 << 2) | ||
105 | #define WINCON3_BPPMODE_16BPP_A1555 (0x6 << 2) | ||
106 | #define WINCON3_BPPMODE_16BPP_I1555 (0x7 << 2) | ||
107 | #define WINCON3_BPPMODE_18BPP_666 (0x8 << 2) | ||
108 | #define WINCON3_BPPMODE_18BPP_A1665 (0x9 << 2) | ||
109 | #define WINCON3_BPPMODE_19BPP_A1666 (0xa << 2) | ||
110 | #define WINCON3_BPPMODE_24BPP_888 (0xb << 2) | ||
111 | #define WINCON3_BPPMODE_24BPP_A1887 (0xc << 2) | ||
112 | #define WINCON3_BPPMODE_25BPP_A1888 (0xd << 2) | ||
113 | #define WINCON3_BPPMODE_28BPP_A4888 (0xd << 2) | ||
114 | |||
115 | #define VIDINTCON0_FIFIOSEL_WINDOW2 (0x10 << 5) | ||
116 | #define VIDINTCON0_FIFIOSEL_WINDOW3 (0x20 << 5) | ||
117 | #define VIDINTCON0_FIFIOSEL_WINDOW4 (0x40 << 5) | ||
118 | |||
119 | #define DITHMODE (0x170) | ||
120 | #define WINxMAP(_win) (0x180 + ((_win) * 4)) | ||
121 | |||
122 | |||
123 | #define DITHMODE_R_POS_MASK (0x3 << 5) | ||
124 | #define DITHMODE_R_POS_SHIFT (5) | ||
125 | #define DITHMODE_R_POS_8BIT (0x0 << 5) | ||
126 | #define DITHMODE_R_POS_6BIT (0x1 << 5) | ||
127 | #define DITHMODE_R_POS_5BIT (0x2 << 5) | ||
128 | |||
129 | #define DITHMODE_G_POS_MASK (0x3 << 3) | ||
130 | #define DITHMODE_G_POS_SHIFT (3) | ||
131 | #define DITHMODE_G_POS_8BIT (0x0 << 3) | ||
132 | #define DITHMODE_G_POS_6BIT (0x1 << 3) | ||
133 | #define DITHMODE_G_POS_5BIT (0x2 << 3) | ||
134 | |||
135 | #define DITHMODE_B_POS_MASK (0x3 << 1) | ||
136 | #define DITHMODE_B_POS_SHIFT (1) | ||
137 | #define DITHMODE_B_POS_8BIT (0x0 << 1) | ||
138 | #define DITHMODE_B_POS_6BIT (0x1 << 1) | ||
139 | #define DITHMODE_B_POS_5BIT (0x2 << 1) | ||
140 | |||
141 | #define DITHMODE_DITH_EN (1 << 0) | ||
142 | |||
143 | #define WPALCON (0x1A0) | ||
144 | |||
145 | #define WPALCON_W4PAL_16BPP_A555 (1 << 8) | ||
146 | #define WPALCON_W3PAL_16BPP_A555 (1 << 7) | ||
147 | #define WPALCON_W2PAL_16BPP_A555 (1 << 6) | ||
148 | |||
149 | /* Palette registers */ | ||
150 | |||
151 | #define WIN2_PAL(_entry) (0x300 + ((_entry) * 2)) | ||
152 | #define WIN3_PAL(_entry) (0x320 + ((_entry) * 2)) | ||
153 | #define WIN4_PAL(_entry) (0x340 + ((_entry) * 2)) | ||
154 | #define WIN0_PAL(_entry) (0x400 + ((_entry) * 4)) | ||
155 | #define WIN1_PAL(_entry) (0x800 + ((_entry) * 4)) | ||
156 | |||
157 | /* system specific implementation code for palette sizes, and other | ||
158 | * information that changes depending on which architecture is being | ||
159 | * compiled. | ||
160 | */ | ||
161 | |||
162 | /* return true if window _win has OSD register D */ | ||
163 | #define s3c_fb_has_osd_d(_win) ((_win) != 4 && (_win) != 0) | ||
164 | |||
165 | static inline unsigned int s3c_fb_win_pal_size(unsigned int win) | ||
166 | { | ||
167 | if (win < 2) | ||
168 | return 256; | ||
169 | if (win < 4) | ||
170 | return 16; | ||
171 | if (win == 4) | ||
172 | return 4; | ||
173 | |||
174 | BUG(); /* shouldn't get here */ | ||
175 | } | ||
176 | |||
177 | static inline int s3c_fb_validate_win_bpp(unsigned int win, unsigned int bpp) | ||
178 | { | ||
179 | /* all windows can do 1/2 bpp */ | ||
180 | |||
181 | if ((bpp == 25 || bpp == 19) && win == 0) | ||
182 | return 0; /* win 0 does not have 19 or 25bpp modes */ | ||
183 | |||
184 | if (bpp == 4 && win == 4) | ||
185 | return 0; | ||
186 | |||
187 | if (bpp == 8 && (win >= 3)) | ||
188 | return 0; /* win 3/4 cannot do 8bpp in any mode */ | ||
189 | |||
190 | return 1; | ||
191 | } | ||
192 | |||
193 | static inline unsigned int s3c_fb_pal_reg(unsigned int window, int reg) | ||
194 | { | ||
195 | switch (window) { | ||
196 | case 0: return WIN0_PAL(reg); | ||
197 | case 1: return WIN1_PAL(reg); | ||
198 | case 2: return WIN2_PAL(reg); | ||
199 | case 3: return WIN3_PAL(reg); | ||
200 | case 4: return WIN4_PAL(reg); | ||
201 | } | ||
202 | |||
203 | BUG(); | ||
204 | } | ||
205 | |||
206 | static inline int s3c_fb_pal_is16(unsigned int window) | ||
207 | { | ||
208 | return window > 1; | ||
209 | } | ||
210 | |||
211 | struct s3c_fb_palette { | ||
212 | struct fb_bitfield r; | ||
213 | struct fb_bitfield g; | ||
214 | struct fb_bitfield b; | ||
215 | struct fb_bitfield a; | ||
216 | }; | ||
217 | |||
218 | static inline void s3c_fb_init_palette(unsigned int window, | ||
219 | struct s3c_fb_palette *palette) | ||
220 | { | ||
221 | if (window < 2) { | ||
222 | /* Windows 0/1 are 8/8/8 or A/8/8/8 */ | ||
223 | palette->r.offset = 16; | ||
224 | palette->r.length = 8; | ||
225 | palette->g.offset = 8; | ||
226 | palette->g.length = 8; | ||
227 | palette->b.offset = 0; | ||
228 | palette->b.length = 8; | ||
229 | } else { | ||
230 | /* currently we assume RGB 5/6/5 */ | ||
231 | palette->r.offset = 11; | ||
232 | palette->r.length = 5; | ||
233 | palette->g.offset = 5; | ||
234 | palette->g.length = 6; | ||
235 | palette->b.offset = 0; | ||
236 | palette->b.length = 5; | ||
237 | } | ||
238 | } | ||
239 | |||
240 | /* Notes on per-window bpp settings | ||
241 | * | ||
242 | * Value Win0 Win1 Win2 Win3 Win 4 | ||
243 | * 0000 1(P) 1(P) 1(P) 1(P) 1(P) | ||
244 | * 0001 2(P) 2(P) 2(P) 2(P) 2(P) | ||
245 | * 0010 4(P) 4(P) 4(P) 4(P) -none- | ||
246 | * 0011 8(P) 8(P) -none- -none- -none- | ||
247 | * 0100 -none- 8(A232) 8(A232) -none- -none- | ||
248 | * 0101 16(565) 16(565) 16(565) 16(565) 16(565) | ||
249 | * 0110 -none- 16(A555) 16(A555) 16(A555) 16(A555) | ||
250 | * 0111 16(I555) 16(I565) 16(I555) 16(I555) 16(I555) | ||
251 | * 1000 18(666) 18(666) 18(666) 18(666) 18(666) | ||
252 | * 1001 -none- 18(A665) 18(A665) 18(A665) 16(A665) | ||
253 | * 1010 -none- 19(A666) 19(A666) 19(A666) 19(A666) | ||
254 | * 1011 24(888) 24(888) 24(888) 24(888) 24(888) | ||
255 | * 1100 -none- 24(A887) 24(A887) 24(A887) 24(A887) | ||
256 | * 1101 -none- 25(A888) 25(A888) 25(A888) 25(A888) | ||
257 | * 1110 -none- -none- -none- -none- -none- | ||
258 | * 1111 -none- -none- -none- -none- -none- | ||
259 | */ | ||