| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/video/sa1100fb.h |
| 3 | * -- StrongARM 1100 LCD Controller Frame Buffer Device |
| 4 | * |
| 5 | * Copyright (C) 1999 Eric A. Thomas |
| 6 | * Based on acornfb.c Copyright (C) Russell King. |
| 7 | * |
| 8 | * This file is subject to the terms and conditions of the GNU General Public |
| 9 | * License. See the file COPYING in the main directory of this archive |
| 10 | * for more details. |
| 11 | */ |
| 12 | |
| 13 | /* |
| 14 | * These are the bitfields for each |
| 15 | * display depth that we support. |
| 16 | */ |
| 17 | struct sa1100fb_rgb { |
| 18 | struct fb_bitfield red; |
| 19 | struct fb_bitfield green; |
| 20 | struct fb_bitfield blue; |
| 21 | struct fb_bitfield transp; |
| 22 | }; |
| 23 | |
| 24 | /* |
| 25 | * This structure describes the machine which we are running on. |
| 26 | */ |
| 27 | struct sa1100fb_mach_info { |
| 28 | u_long pixclock; |
| 29 | |
| 30 | u_short xres; |
| 31 | u_short yres; |
| 32 | |
| 33 | u_char bpp; |
| 34 | u_char hsync_len; |
| 35 | u_char left_margin; |
| 36 | u_char right_margin; |
| 37 | |
| 38 | u_char vsync_len; |
| 39 | u_char upper_margin; |
| 40 | u_char lower_margin; |
| 41 | u_char sync; |
| 42 | |
| 43 | u_int cmap_greyscale:1, |
| 44 | cmap_inverse:1, |
| 45 | cmap_static:1, |
| 46 | unused:29; |
| 47 | |
| 48 | u_int lccr0; |
| 49 | u_int lccr3; |
| 50 | }; |
| 51 | |
| 52 | /* Shadows for LCD controller registers */ |
| 53 | struct sa1100fb_lcd_reg { |
| 54 | unsigned long lccr0; |
| 55 | unsigned long lccr1; |
| 56 | unsigned long lccr2; |
| 57 | unsigned long lccr3; |
| 58 | }; |
| 59 | |
| 60 | #define RGB_8 (0) |
| 61 | #define RGB_16 (1) |
| 62 | #define NR_RGB 2 |
| 63 | |
| 64 | struct sa1100fb_info { |
| 65 | struct fb_info fb; |
| 66 | struct device *dev; |
| 67 | struct sa1100fb_rgb *rgb[NR_RGB]; |
| 68 | |
| 69 | u_int max_bpp; |
| 70 | u_int max_xres; |
| 71 | u_int max_yres; |
| 72 | |
| 73 | /* |
| 74 | * These are the addresses we mapped |
| 75 | * the framebuffer memory region to. |
| 76 | */ |
| 77 | dma_addr_t map_dma; |
| 78 | u_char * map_cpu; |
| 79 | u_int map_size; |
| 80 | |
| 81 | u_char * screen_cpu; |
| 82 | dma_addr_t screen_dma; |
| 83 | u16 * palette_cpu; |
| 84 | dma_addr_t palette_dma; |
| 85 | u_int palette_size; |
| 86 | |
| 87 | dma_addr_t dbar1; |
| 88 | dma_addr_t dbar2; |
| 89 | |
| 90 | u_int lccr0; |
| 91 | u_int lccr3; |
| 92 | u_int cmap_inverse:1, |
| 93 | cmap_static:1, |
| 94 | unused:30; |
| 95 | |
| 96 | u_int reg_lccr0; |
| 97 | u_int reg_lccr1; |
| 98 | u_int reg_lccr2; |
| 99 | u_int reg_lccr3; |
| 100 | |
| 101 | volatile u_char state; |
| 102 | volatile u_char task_state; |
| 103 | struct semaphore ctrlr_sem; |
| 104 | wait_queue_head_t ctrlr_wait; |
| 105 | struct work_struct task; |
| 106 | |
| 107 | #ifdef CONFIG_CPU_FREQ |
| 108 | struct notifier_block freq_transition; |
| 109 | struct notifier_block freq_policy; |
| 110 | #endif |
| 111 | }; |
| 112 | |
| Robert P. J. Day | b385a14 | 2007-02-10 01:46:25 -0800 | [diff] [blame] | 113 | #define TO_INF(ptr,member) container_of(ptr,struct sa1100fb_info,member) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | |
| 115 | #define SA1100_PALETTE_MODE_VAL(bpp) (((bpp) & 0x018) << 9) |
| 116 | |
| 117 | /* |
| 118 | * These are the actions for set_ctrlr_state |
| 119 | */ |
| 120 | #define C_DISABLE (0) |
| 121 | #define C_ENABLE (1) |
| 122 | #define C_DISABLE_CLKCHANGE (2) |
| 123 | #define C_ENABLE_CLKCHANGE (3) |
| 124 | #define C_REENABLE (4) |
| 125 | #define C_DISABLE_PM (5) |
| 126 | #define C_ENABLE_PM (6) |
| 127 | #define C_STARTUP (7) |
| 128 | |
| 129 | #define SA1100_NAME "SA1100" |
| 130 | |
| 131 | /* |
| 132 | * Debug macros |
| 133 | */ |
| 134 | #if DEBUG |
| 135 | # define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ## args) |
| 136 | #else |
| 137 | # define DPRINTK(fmt, args...) |
| 138 | #endif |
| 139 | |
| 140 | /* |
| 141 | * Minimum X and Y resolutions |
| 142 | */ |
| 143 | #define MIN_XRES 64 |
| 144 | #define MIN_YRES 64 |
| 145 | |