1 #ifndef __PXAFB_H__ 2 #define __PXAFB_H__ 3 4 /* 5 * linux/drivers/video/pxafb.h 6 * -- Intel PXA250/210 LCD Controller Frame Buffer Device 7 * 8 * Copyright (C) 1999 Eric A. Thomas. 9 * Copyright (C) 2004 Jean-Frederic Clere. 10 * Copyright (C) 2004 Ian Campbell. 11 * Copyright (C) 2004 Jeff Lackey. 12 * Based on sa1100fb.c Copyright (C) 1999 Eric A. Thomas 13 * which in turn is 14 * Based on acornfb.c Copyright (C) Russell King. 15 * 16 * 2001-08-03: Cliff Brake <cbrake@acclent.com> 17 * - ported SA1100 code to PXA 18 * 19 * This file is subject to the terms and conditions of the GNU General Public 20 * License. See the file COPYING in the main directory of this archive 21 * for more details. 22 */ 23 24 /* PXA LCD DMA descriptor */ 25 struct pxafb_dma_descriptor { 26 unsigned int fdadr; 27 unsigned int fsadr; 28 unsigned int fidr; 29 unsigned int ldcmd; 30 }; 31 32 enum { 33 PAL_NONE = -1, 34 PAL_BASE = 0, 35 PAL_OV1 = 1, 36 PAL_OV2 = 2, 37 PAL_MAX, 38 }; 39 40 enum { 41 DMA_BASE = 0, 42 DMA_UPPER = 0, 43 DMA_LOWER = 1, 44 DMA_OV1 = 1, 45 DMA_OV2_Y = 2, 46 DMA_OV2_Cb = 3, 47 DMA_OV2_Cr = 4, 48 DMA_CURSOR = 5, 49 DMA_CMD = 6, 50 DMA_MAX, 51 }; 52 53 /* maximum palette size - 256 entries, each 4 bytes long */ 54 #define PALETTE_SIZE (256 * 4) 55 #define CMD_BUFF_SIZE (1024 * 50) 56 57 /* NOTE: the palette and frame dma descriptors are doubled to allow 58 * the 2nd set for branch settings (FBRx) 59 */ 60 struct pxafb_dma_buff { 61 unsigned char palette[PAL_MAX * PALETTE_SIZE]; 62 uint16_t cmd_buff[CMD_BUFF_SIZE]; 63 struct pxafb_dma_descriptor pal_desc[PAL_MAX * 2]; 64 struct pxafb_dma_descriptor dma_desc[DMA_MAX * 2]; 65 }; 66 67 enum { 68 OVERLAY1, 69 OVERLAY2, 70 }; 71 72 enum { 73 OVERLAY_FORMAT_RGB = 0, 74 OVERLAY_FORMAT_YUV444_PACKED, 75 OVERLAY_FORMAT_YUV444_PLANAR, 76 OVERLAY_FORMAT_YUV422_PLANAR, 77 OVERLAY_FORMAT_YUV420_PLANAR, 78 }; 79 80 #define NONSTD_TO_XPOS(x) (((x) >> 0) & 0x3ff) 81 #define NONSTD_TO_YPOS(x) (((x) >> 10) & 0x3ff) 82 #define NONSTD_TO_PFOR(x) (((x) >> 20) & 0x7) 83 84 struct pxafb_layer; 85 86 struct pxafb_layer_ops { 87 void (*enable)(struct pxafb_layer *); 88 void (*disable)(struct pxafb_layer *); 89 void (*setup)(struct pxafb_layer *); 90 }; 91 92 struct pxafb_layer { 93 struct fb_info fb; 94 int id; 95 int registered; 96 uint32_t usage; 97 uint32_t control[2]; 98 99 struct pxafb_layer_ops *ops; 100 101 void __iomem *video_mem; 102 unsigned long video_mem_phys; 103 size_t video_mem_size; 104 struct completion branch_done; 105 106 struct pxafb_info *fbi; 107 }; 108 109 struct pxafb_info { 110 struct fb_info fb; 111 struct device *dev; 112 struct clk *clk; 113 114 void __iomem *mmio_base; 115 116 struct pxafb_dma_buff *dma_buff; 117 size_t dma_buff_size; 118 dma_addr_t dma_buff_phys; 119 dma_addr_t fdadr[DMA_MAX * 2]; 120 121 void __iomem *video_mem; /* virtual address of frame buffer */ 122 unsigned long video_mem_phys; /* physical address of frame buffer */ 123 size_t video_mem_size; /* size of the frame buffer */ 124 u16 * palette_cpu; /* virtual address of palette memory */ 125 u_int palette_size; 126 127 u_int lccr0; 128 u_int lccr3; 129 u_int lccr4; 130 u_int cmap_inverse:1, 131 cmap_static:1, 132 unused:30; 133 134 u_int reg_lccr0; 135 u_int reg_lccr1; 136 u_int reg_lccr2; 137 u_int reg_lccr3; 138 u_int reg_lccr4; 139 u_int reg_cmdcr; 140 141 unsigned long hsync_time; 142 143 volatile u_char state; 144 volatile u_char task_state; 145 struct mutex ctrlr_lock; 146 wait_queue_head_t ctrlr_wait; 147 struct work_struct task; 148 149 struct completion disable_done; 150 151 #ifdef CONFIG_FB_PXA_SMARTPANEL 152 uint16_t *smart_cmds; 153 size_t n_smart_cmds; 154 struct completion command_done; 155 struct completion refresh_done; 156 struct task_struct *smart_thread; 157 #endif 158 159 #ifdef CONFIG_FB_PXA_OVERLAY 160 struct pxafb_layer overlay[2]; 161 #endif 162 163 #ifdef CONFIG_CPU_FREQ 164 struct notifier_block freq_transition; 165 struct notifier_block freq_policy; 166 #endif 167 168 struct regulator *lcd_supply; 169 bool lcd_supply_enabled; 170 171 void (*lcd_power)(int, struct fb_var_screeninfo *); 172 void (*backlight_power)(int); 173 174 struct pxafb_mach_info *inf; 175 }; 176 177 #define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member) 178 179 /* 180 * These are the actions for set_ctrlr_state 181 */ 182 #define C_DISABLE (0) 183 #define C_ENABLE (1) 184 #define C_DISABLE_CLKCHANGE (2) 185 #define C_ENABLE_CLKCHANGE (3) 186 #define C_REENABLE (4) 187 #define C_DISABLE_PM (5) 188 #define C_ENABLE_PM (6) 189 #define C_STARTUP (7) 190 191 #define PXA_NAME "PXA" 192 193 /* 194 * Minimum X and Y resolutions 195 */ 196 #define MIN_XRES 64 197 #define MIN_YRES 64 198 199 /* maximum X and Y resolutions - note these are limits from the register 200 * bits length instead of the real ones 201 */ 202 #define MAX_XRES 1024 203 #define MAX_YRES 1024 204 205 #endif /* __PXAFB_H__ */ 206