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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * File: drivers/video/omap/omapfb.h4 *5 * Framebuffer driver for TI OMAP boards6 *7 * Copyright (C) 2004 Nokia Corporation8 * Author: Imre Deak <imre.deak@nokia.com>9 */10 11#ifndef __OMAPFB_H12#define __OMAPFB_H13 14#include <linux/fb.h>15#include <linux/mutex.h>16#include <linux/omapfb.h>17 18#define OMAPFB_EVENT_READY 119#define OMAPFB_EVENT_DISABLED 220 21#define OMAP_LCDC_INV_VSYNC 0x000122#define OMAP_LCDC_INV_HSYNC 0x000223#define OMAP_LCDC_INV_PIX_CLOCK 0x000424#define OMAP_LCDC_INV_OUTPUT_EN 0x000825#define OMAP_LCDC_HSVS_RISING_EDGE 0x001026#define OMAP_LCDC_HSVS_OPPOSITE 0x002027 28#define OMAP_LCDC_SIGNAL_MASK 0x003f29 30#define OMAP_LCDC_PANEL_TFT 0x010031 32#define OMAPFB_PLANE_XRES_MIN 833#define OMAPFB_PLANE_YRES_MIN 834 35struct omapfb_device;36 37#define OMAPFB_PLANE_NUM 138 39struct omapfb_mem_region {40 u32 paddr;41 void __iomem *vaddr;42 unsigned long size;43 u8 type; /* OMAPFB_PLANE_MEM_* */44 enum omapfb_color_format format;/* OMAPFB_COLOR_* */45 unsigned format_used:1; /* Must be set when format is set.46 * Needed b/c of the badly chosen 047 * base for OMAPFB_COLOR_* values48 */49 unsigned alloc:1; /* allocated by the driver */50 unsigned map:1; /* kernel mapped by the driver */51};52 53struct omapfb_mem_desc {54 int region_cnt;55 struct omapfb_mem_region region[OMAPFB_PLANE_NUM];56};57 58struct lcd_panel {59 const char *name;60 int config; /* TFT/STN, signal inversion */61 int bpp; /* Pixel format in fb mem */62 int data_lines; /* Lines on LCD HW interface */63 64 int x_res, y_res;65 int pixel_clock; /* In kHz */66 int hsw; /* Horizontal synchronization67 pulse width */68 int hfp; /* Horizontal front porch */69 int hbp; /* Horizontal back porch */70 int vsw; /* Vertical synchronization71 pulse width */72 int vfp; /* Vertical front porch */73 int vbp; /* Vertical back porch */74 int acb; /* ac-bias pin frequency */75 int pcd; /* pixel clock divider.76 Obsolete use pixel_clock instead */77 78 int (*init) (struct lcd_panel *panel,79 struct omapfb_device *fbdev);80 void (*cleanup) (struct lcd_panel *panel);81 int (*enable) (struct lcd_panel *panel);82 void (*disable) (struct lcd_panel *panel);83 unsigned long (*get_caps) (struct lcd_panel *panel);84 int (*set_bklight_level)(struct lcd_panel *panel,85 unsigned int level);86 unsigned int (*get_bklight_level)(struct lcd_panel *panel);87 unsigned int (*get_bklight_max) (struct lcd_panel *panel);88 int (*run_test) (struct lcd_panel *panel, int test_num);89};90 91struct extif_timings {92 int cs_on_time;93 int cs_off_time;94 int we_on_time;95 int we_off_time;96 int re_on_time;97 int re_off_time;98 int we_cycle_time;99 int re_cycle_time;100 int cs_pulse_width;101 int access_time;102 103 int clk_div;104 105 u32 tim[5]; /* set by extif->convert_timings */106 107 int converted;108};109 110struct lcd_ctrl_extif {111 int (*init) (struct omapfb_device *fbdev);112 void (*cleanup) (void);113 void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div);114 unsigned long (*get_max_tx_rate)(void);115 int (*convert_timings) (struct extif_timings *timings);116 void (*set_timings) (const struct extif_timings *timings);117 void (*set_bits_per_cycle)(int bpc);118 void (*write_command) (const void *buf, unsigned int len);119 void (*read_data) (void *buf, unsigned int len);120 void (*write_data) (const void *buf, unsigned int len);121 void (*transfer_area) (int width, int height,122 void (callback)(void *data), void *data);123 int (*setup_tearsync) (unsigned pin_cnt,124 unsigned hs_pulse_time, unsigned vs_pulse_time,125 int hs_pol_inv, int vs_pol_inv, int div);126 int (*enable_tearsync) (int enable, unsigned line);127 128 unsigned long max_transmit_size;129};130 131struct omapfb_notifier_block {132 struct notifier_block nb;133 void *data;134 int plane_idx;135};136 137typedef int (*omapfb_notifier_callback_t)(struct notifier_block *,138 unsigned long event,139 void *fbi);140 141struct lcd_ctrl {142 const char *name;143 void *data;144 145 int (*init) (struct omapfb_device *fbdev,146 int ext_mode,147 struct omapfb_mem_desc *req_md);148 void (*cleanup) (void);149 void (*bind_client) (struct omapfb_notifier_block *nb);150 void (*get_caps) (int plane, struct omapfb_caps *caps);151 int (*set_update_mode)(enum omapfb_update_mode mode);152 enum omapfb_update_mode (*get_update_mode)(void);153 int (*setup_plane) (int plane, int channel_out,154 unsigned long offset,155 int screen_width,156 int pos_x, int pos_y, int width,157 int height, int color_mode);158 int (*set_rotate) (int angle);159 int (*setup_mem) (int plane, size_t size,160 int mem_type, unsigned long *paddr);161 int (*mmap) (struct fb_info *info,162 struct vm_area_struct *vma);163 int (*set_scale) (int plane,164 int orig_width, int orig_height,165 int out_width, int out_height);166 int (*enable_plane) (int plane, int enable);167 int (*update_window) (struct fb_info *fbi,168 struct omapfb_update_window *win,169 void (*callback)(void *),170 void *callback_data);171 void (*sync) (void);172 void (*suspend) (void);173 void (*resume) (void);174 int (*run_test) (int test_num);175 int (*setcolreg) (u_int regno, u16 red, u16 green,176 u16 blue, u16 transp,177 int update_hw_mem);178 int (*set_color_key) (struct omapfb_color_key *ck);179 int (*get_color_key) (struct omapfb_color_key *ck);180};181 182enum omapfb_state {183 OMAPFB_DISABLED = 0,184 OMAPFB_SUSPENDED = 99,185 OMAPFB_ACTIVE = 100186};187 188struct omapfb_plane_struct {189 int idx;190 struct omapfb_plane_info info;191 enum omapfb_color_format color_mode;192 struct omapfb_device *fbdev;193};194 195struct omapfb_device {196 int state;197 int ext_lcdc; /* Using external198 LCD controller */199 struct mutex rqueue_mutex;200 201 int palette_size;202 u32 pseudo_palette[17];203 204 struct lcd_panel *panel; /* LCD panel */205 const struct lcd_ctrl *ctrl; /* LCD controller */206 const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */207 int ext_irq;208 int int_irq;209 struct lcd_ctrl_extif *ext_if; /* LCD ctrl external210 interface */211 struct device *dev;212 struct fb_var_screeninfo new_var; /* for mode changes */213 214 struct omapfb_mem_desc mem_desc;215 struct fb_info *fb_info[OMAPFB_PLANE_NUM];216 217 struct platform_device *dssdev; /* dummy dev for clocks */218};219 220extern struct lcd_ctrl omap1_lcd_ctrl;221 222extern void omapfb_register_panel(struct lcd_panel *panel);223extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval);224extern void omapfb_notify_clients(struct omapfb_device *fbdev,225 unsigned long event);226extern int omapfb_register_client(struct omapfb_notifier_block *nb,227 omapfb_notifier_callback_t callback,228 void *callback_data);229extern int omapfb_unregister_client(struct omapfb_notifier_block *nb);230#endif /* __OMAPFB_H */231