mirror of https://gitee.com/openkylin/linux.git
247 lines
7.5 KiB
C
247 lines
7.5 KiB
C
/*
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* File: drivers/video/omap/omapfb.h
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*
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* Framebuffer driver for TI OMAP boards
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*
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* Copyright (C) 2004 Nokia Corporation
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* Author: Imre Deak <imre.deak@nokia.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __OMAPFB_H
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#define __OMAPFB_H
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#include <linux/fb.h>
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#include <linux/mutex.h>
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#include <linux/omapfb.h>
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#define OMAPFB_EVENT_READY 1
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#define OMAPFB_EVENT_DISABLED 2
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#define OMAP_LCDC_INV_VSYNC 0x0001
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#define OMAP_LCDC_INV_HSYNC 0x0002
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#define OMAP_LCDC_INV_PIX_CLOCK 0x0004
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#define OMAP_LCDC_INV_OUTPUT_EN 0x0008
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#define OMAP_LCDC_HSVS_RISING_EDGE 0x0010
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#define OMAP_LCDC_HSVS_OPPOSITE 0x0020
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#define OMAP_LCDC_SIGNAL_MASK 0x003f
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#define OMAP_LCDC_PANEL_TFT 0x0100
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#define OMAPFB_PLANE_XRES_MIN 8
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#define OMAPFB_PLANE_YRES_MIN 8
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struct omapfb_device;
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#define OMAPFB_PLANE_NUM 1
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struct omapfb_mem_region {
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u32 paddr;
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void __iomem *vaddr;
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unsigned long size;
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u8 type; /* OMAPFB_PLANE_MEM_* */
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enum omapfb_color_format format;/* OMAPFB_COLOR_* */
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unsigned format_used:1; /* Must be set when format is set.
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* Needed b/c of the badly chosen 0
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* base for OMAPFB_COLOR_* values
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*/
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unsigned alloc:1; /* allocated by the driver */
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unsigned map:1; /* kernel mapped by the driver */
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};
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struct omapfb_mem_desc {
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int region_cnt;
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struct omapfb_mem_region region[OMAPFB_PLANE_NUM];
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};
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struct lcd_panel {
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const char *name;
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int config; /* TFT/STN, signal inversion */
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int bpp; /* Pixel format in fb mem */
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int data_lines; /* Lines on LCD HW interface */
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int x_res, y_res;
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int pixel_clock; /* In kHz */
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int hsw; /* Horizontal synchronization
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pulse width */
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int hfp; /* Horizontal front porch */
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int hbp; /* Horizontal back porch */
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int vsw; /* Vertical synchronization
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pulse width */
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int vfp; /* Vertical front porch */
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int vbp; /* Vertical back porch */
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int acb; /* ac-bias pin frequency */
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int pcd; /* pixel clock divider.
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Obsolete use pixel_clock instead */
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int (*init) (struct lcd_panel *panel,
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struct omapfb_device *fbdev);
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void (*cleanup) (struct lcd_panel *panel);
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int (*enable) (struct lcd_panel *panel);
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void (*disable) (struct lcd_panel *panel);
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unsigned long (*get_caps) (struct lcd_panel *panel);
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int (*set_bklight_level)(struct lcd_panel *panel,
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unsigned int level);
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unsigned int (*get_bklight_level)(struct lcd_panel *panel);
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unsigned int (*get_bklight_max) (struct lcd_panel *panel);
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int (*run_test) (struct lcd_panel *panel, int test_num);
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};
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struct extif_timings {
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int cs_on_time;
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int cs_off_time;
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int we_on_time;
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int we_off_time;
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int re_on_time;
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int re_off_time;
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int we_cycle_time;
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int re_cycle_time;
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int cs_pulse_width;
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int access_time;
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int clk_div;
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u32 tim[5]; /* set by extif->convert_timings */
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int converted;
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};
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struct lcd_ctrl_extif {
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int (*init) (struct omapfb_device *fbdev);
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void (*cleanup) (void);
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void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div);
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unsigned long (*get_max_tx_rate)(void);
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int (*convert_timings) (struct extif_timings *timings);
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void (*set_timings) (const struct extif_timings *timings);
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void (*set_bits_per_cycle)(int bpc);
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void (*write_command) (const void *buf, unsigned int len);
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void (*read_data) (void *buf, unsigned int len);
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void (*write_data) (const void *buf, unsigned int len);
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void (*transfer_area) (int width, int height,
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void (callback)(void *data), void *data);
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int (*setup_tearsync) (unsigned pin_cnt,
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unsigned hs_pulse_time, unsigned vs_pulse_time,
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int hs_pol_inv, int vs_pol_inv, int div);
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int (*enable_tearsync) (int enable, unsigned line);
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unsigned long max_transmit_size;
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};
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struct omapfb_notifier_block {
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struct notifier_block nb;
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void *data;
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int plane_idx;
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};
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typedef int (*omapfb_notifier_callback_t)(struct notifier_block *,
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unsigned long event,
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void *fbi);
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struct lcd_ctrl {
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const char *name;
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void *data;
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int (*init) (struct omapfb_device *fbdev,
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int ext_mode,
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struct omapfb_mem_desc *req_md);
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void (*cleanup) (void);
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void (*bind_client) (struct omapfb_notifier_block *nb);
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void (*get_caps) (int plane, struct omapfb_caps *caps);
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int (*set_update_mode)(enum omapfb_update_mode mode);
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enum omapfb_update_mode (*get_update_mode)(void);
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int (*setup_plane) (int plane, int channel_out,
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unsigned long offset,
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int screen_width,
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int pos_x, int pos_y, int width,
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int height, int color_mode);
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int (*set_rotate) (int angle);
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int (*setup_mem) (int plane, size_t size,
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int mem_type, unsigned long *paddr);
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int (*mmap) (struct fb_info *info,
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struct vm_area_struct *vma);
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int (*set_scale) (int plane,
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int orig_width, int orig_height,
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int out_width, int out_height);
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int (*enable_plane) (int plane, int enable);
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int (*update_window) (struct fb_info *fbi,
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struct omapfb_update_window *win,
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void (*callback)(void *),
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void *callback_data);
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void (*sync) (void);
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void (*suspend) (void);
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void (*resume) (void);
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int (*run_test) (int test_num);
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int (*setcolreg) (u_int regno, u16 red, u16 green,
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u16 blue, u16 transp,
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int update_hw_mem);
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int (*set_color_key) (struct omapfb_color_key *ck);
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int (*get_color_key) (struct omapfb_color_key *ck);
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};
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enum omapfb_state {
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OMAPFB_DISABLED = 0,
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OMAPFB_SUSPENDED = 99,
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OMAPFB_ACTIVE = 100
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};
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struct omapfb_plane_struct {
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int idx;
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struct omapfb_plane_info info;
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enum omapfb_color_format color_mode;
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struct omapfb_device *fbdev;
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};
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struct omapfb_device {
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int state;
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int ext_lcdc; /* Using external
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LCD controller */
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struct mutex rqueue_mutex;
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int palette_size;
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u32 pseudo_palette[17];
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struct lcd_panel *panel; /* LCD panel */
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const struct lcd_ctrl *ctrl; /* LCD controller */
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const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */
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struct lcd_ctrl_extif *ext_if; /* LCD ctrl external
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interface */
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struct device *dev;
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struct fb_var_screeninfo new_var; /* for mode changes */
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struct omapfb_mem_desc mem_desc;
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struct fb_info *fb_info[OMAPFB_PLANE_NUM];
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struct platform_device *dssdev; /* dummy dev for clocks */
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};
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extern struct lcd_ctrl omap1_lcd_ctrl;
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extern void omapfb_register_panel(struct lcd_panel *panel);
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extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval);
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extern void omapfb_notify_clients(struct omapfb_device *fbdev,
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unsigned long event);
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extern int omapfb_register_client(struct omapfb_notifier_block *nb,
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omapfb_notifier_callback_t callback,
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void *callback_data);
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extern int omapfb_unregister_client(struct omapfb_notifier_block *nb);
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extern int omapfb_update_window_async(struct fb_info *fbi,
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struct omapfb_update_window *win,
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void (*callback)(void *),
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void *callback_data);
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#endif /* __OMAPFB_H */
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