1/* 2 * File: drivers/video/omap/omapfb.h 3 * 4 * Framebuffer driver for TI OMAP boards 5 * 6 * Copyright (C) 2004 Nokia Corporation 7 * Author: Imre Deak <imre.deak@nokia.com> 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License as published by the 11 * Free Software Foundation; either version 2 of the License, or (at your 12 * option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, but 15 * WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, write to the Free Software Foundation, Inc., 21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 22 */ 23 24#ifndef __OMAPFB_H 25#define __OMAPFB_H 26 27#include <linux/fb.h> 28#include <linux/mutex.h> 29#include <linux/omapfb.h> 30 31#define OMAPFB_EVENT_READY 1 32#define OMAPFB_EVENT_DISABLED 2 33 34#define OMAP_LCDC_INV_VSYNC 0x0001 35#define OMAP_LCDC_INV_HSYNC 0x0002 36#define OMAP_LCDC_INV_PIX_CLOCK 0x0004 37#define OMAP_LCDC_INV_OUTPUT_EN 0x0008 38#define OMAP_LCDC_HSVS_RISING_EDGE 0x0010 39#define OMAP_LCDC_HSVS_OPPOSITE 0x0020 40 41#define OMAP_LCDC_SIGNAL_MASK 0x003f 42 43#define OMAP_LCDC_PANEL_TFT 0x0100 44 45#define OMAPFB_PLANE_XRES_MIN 8 46#define OMAPFB_PLANE_YRES_MIN 8 47 48struct omapfb_device; 49 50#define OMAPFB_PLANE_NUM 1 51 52struct omapfb_mem_region { 53 u32 paddr; 54 void __iomem *vaddr; 55 unsigned long size; 56 u8 type; /* OMAPFB_PLANE_MEM_* */ 57 enum omapfb_color_format format;/* OMAPFB_COLOR_* */ 58 unsigned format_used:1; /* Must be set when format is set. 59 * Needed b/c of the badly chosen 0 60 * base for OMAPFB_COLOR_* values 61 */ 62 unsigned alloc:1; /* allocated by the driver */ 63 unsigned map:1; /* kernel mapped by the driver */ 64}; 65 66struct omapfb_mem_desc { 67 int region_cnt; 68 struct omapfb_mem_region region[OMAPFB_PLANE_NUM]; 69}; 70 71struct lcd_panel { 72 const char *name; 73 int config; /* TFT/STN, signal inversion */ 74 int bpp; /* Pixel format in fb mem */ 75 int data_lines; /* Lines on LCD HW interface */ 76 77 int x_res, y_res; 78 int pixel_clock; /* In kHz */ 79 int hsw; /* Horizontal synchronization 80 pulse width */ 81 int hfp; /* Horizontal front porch */ 82 int hbp; /* Horizontal back porch */ 83 int vsw; /* Vertical synchronization 84 pulse width */ 85 int vfp; /* Vertical front porch */ 86 int vbp; /* Vertical back porch */ 87 int acb; /* ac-bias pin frequency */ 88 int pcd; /* pixel clock divider. 89 Obsolete use pixel_clock instead */ 90 91 int (*init) (struct lcd_panel *panel, 92 struct omapfb_device *fbdev); 93 void (*cleanup) (struct lcd_panel *panel); 94 int (*enable) (struct lcd_panel *panel); 95 void (*disable) (struct lcd_panel *panel); 96 unsigned long (*get_caps) (struct lcd_panel *panel); 97 int (*set_bklight_level)(struct lcd_panel *panel, 98 unsigned int level); 99 unsigned int (*get_bklight_level)(struct lcd_panel *panel); 100 unsigned int (*get_bklight_max) (struct lcd_panel *panel); 101 int (*run_test) (struct lcd_panel *panel, int test_num); 102}; 103 104struct extif_timings { 105 int cs_on_time; 106 int cs_off_time; 107 int we_on_time; 108 int we_off_time; 109 int re_on_time; 110 int re_off_time; 111 int we_cycle_time; 112 int re_cycle_time; 113 int cs_pulse_width; 114 int access_time; 115 116 int clk_div; 117 118 u32 tim[5]; /* set by extif->convert_timings */ 119 120 int converted; 121}; 122 123struct lcd_ctrl_extif { 124 int (*init) (struct omapfb_device *fbdev); 125 void (*cleanup) (void); 126 void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div); 127 unsigned long (*get_max_tx_rate)(void); 128 int (*convert_timings) (struct extif_timings *timings); 129 void (*set_timings) (const struct extif_timings *timings); 130 void (*set_bits_per_cycle)(int bpc); 131 void (*write_command) (const void *buf, unsigned int len); 132 void (*read_data) (void *buf, unsigned int len); 133 void (*write_data) (const void *buf, unsigned int len); 134 void (*transfer_area) (int width, int height, 135 void (callback)(void *data), void *data); 136 int (*setup_tearsync) (unsigned pin_cnt, 137 unsigned hs_pulse_time, unsigned vs_pulse_time, 138 int hs_pol_inv, int vs_pol_inv, int div); 139 int (*enable_tearsync) (int enable, unsigned line); 140 141 unsigned long max_transmit_size; 142}; 143 144struct omapfb_notifier_block { 145 struct notifier_block nb; 146 void *data; 147 int plane_idx; 148}; 149 150typedef int (*omapfb_notifier_callback_t)(struct notifier_block *, 151 unsigned long event, 152 void *fbi); 153 154struct lcd_ctrl { 155 const char *name; 156 void *data; 157 158 int (*init) (struct omapfb_device *fbdev, 159 int ext_mode, 160 struct omapfb_mem_desc *req_md); 161 void (*cleanup) (void); 162 void (*bind_client) (struct omapfb_notifier_block *nb); 163 void (*get_caps) (int plane, struct omapfb_caps *caps); 164 int (*set_update_mode)(enum omapfb_update_mode mode); 165 enum omapfb_update_mode (*get_update_mode)(void); 166 int (*setup_plane) (int plane, int channel_out, 167 unsigned long offset, 168 int screen_width, 169 int pos_x, int pos_y, int width, 170 int height, int color_mode); 171 int (*set_rotate) (int angle); 172 int (*setup_mem) (int plane, size_t size, 173 int mem_type, unsigned long *paddr); 174 int (*mmap) (struct fb_info *info, 175 struct vm_area_struct *vma); 176 int (*set_scale) (int plane, 177 int orig_width, int orig_height, 178 int out_width, int out_height); 179 int (*enable_plane) (int plane, int enable); 180 int (*update_window) (struct fb_info *fbi, 181 struct omapfb_update_window *win, 182 void (*callback)(void *), 183 void *callback_data); 184 void (*sync) (void); 185 void (*suspend) (void); 186 void (*resume) (void); 187 int (*run_test) (int test_num); 188 int (*setcolreg) (u_int regno, u16 red, u16 green, 189 u16 blue, u16 transp, 190 int update_hw_mem); 191 int (*set_color_key) (struct omapfb_color_key *ck); 192 int (*get_color_key) (struct omapfb_color_key *ck); 193}; 194 195enum omapfb_state { 196 OMAPFB_DISABLED = 0, 197 OMAPFB_SUSPENDED = 99, 198 OMAPFB_ACTIVE = 100 199}; 200 201struct omapfb_plane_struct { 202 int idx; 203 struct omapfb_plane_info info; 204 enum omapfb_color_format color_mode; 205 struct omapfb_device *fbdev; 206}; 207 208struct omapfb_device { 209 int state; 210 int ext_lcdc; /* Using external 211 LCD controller */ 212 struct mutex rqueue_mutex; 213 214 int palette_size; 215 u32 pseudo_palette[17]; 216 217 struct lcd_panel *panel; /* LCD panel */ 218 const struct lcd_ctrl *ctrl; /* LCD controller */ 219 const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */ 220 struct lcd_ctrl_extif *ext_if; /* LCD ctrl external 221 interface */ 222 struct device *dev; 223 struct fb_var_screeninfo new_var; /* for mode changes */ 224 225 struct omapfb_mem_desc mem_desc; 226 struct fb_info *fb_info[OMAPFB_PLANE_NUM]; 227 228 struct platform_device *dssdev; /* dummy dev for clocks */ 229}; 230 231extern struct lcd_ctrl omap1_lcd_ctrl; 232 233extern void omapfb_register_panel(struct lcd_panel *panel); 234extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval); 235extern void omapfb_notify_clients(struct omapfb_device *fbdev, 236 unsigned long event); 237extern int omapfb_register_client(struct omapfb_notifier_block *nb, 238 omapfb_notifier_callback_t callback, 239 void *callback_data); 240extern int omapfb_unregister_client(struct omapfb_notifier_block *nb); 241extern int omapfb_update_window_async(struct fb_info *fbi, 242 struct omapfb_update_window *win, 243 void (*callback)(void *), 244 void *callback_data); 245 246#endif /* __OMAPFB_H */ 247