/* * File: drivers/video/omap/omapfb.h * * Framebuffer driver for TI OMAP boards * * Copyright (C) 2004 Nokia Corporation * Author: Imre Deak * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef __OMAPFB_H #define __OMAPFB_H #include #include #include #define OMAPFB_EVENT_READY 1 #define OMAPFB_EVENT_DISABLED 2 #define OMAP_LCDC_INV_VSYNC 0x0001 #define OMAP_LCDC_INV_HSYNC 0x0002 #define OMAP_LCDC_INV_PIX_CLOCK 0x0004 #define OMAP_LCDC_INV_OUTPUT_EN 0x0008 #define OMAP_LCDC_HSVS_RISING_EDGE 0x0010 #define OMAP_LCDC_HSVS_OPPOSITE 0x0020 #define OMAP_LCDC_SIGNAL_MASK 0x003f #define OMAP_LCDC_PANEL_TFT 0x0100 #define OMAPFB_PLANE_XRES_MIN 8 #define OMAPFB_PLANE_YRES_MIN 8 struct omapfb_device; struct lcd_panel { const char *name; int config; /* TFT/STN, signal inversion */ int bpp; /* Pixel format in fb mem */ int data_lines; /* Lines on LCD HW interface */ int x_res, y_res; int pixel_clock; /* In kHz */ int hsw; /* Horizontal synchronization pulse width */ int hfp; /* Horizontal front porch */ int hbp; /* Horizontal back porch */ int vsw; /* Vertical synchronization pulse width */ int vfp; /* Vertical front porch */ int vbp; /* Vertical back porch */ int acb; /* ac-bias pin frequency */ int pcd; /* pixel clock divider. Obsolete use pixel_clock instead */ int (*init) (struct lcd_panel *panel, struct omapfb_device *fbdev); void (*cleanup) (struct lcd_panel *panel); int (*enable) (struct lcd_panel *panel); void (*disable) (struct lcd_panel *panel); unsigned long (*get_caps) (struct lcd_panel *panel); int (*set_bklight_level)(struct lcd_panel *panel, unsigned int level); unsigned int (*get_bklight_level)(struct lcd_panel *panel); unsigned int (*get_bklight_max) (struct lcd_panel *panel); int (*run_test) (struct lcd_panel *panel, int test_num); }; struct extif_timings { int cs_on_time; int cs_off_time; int we_on_time; int we_off_time; int re_on_time; int re_off_time; int we_cycle_time; int re_cycle_time; int cs_pulse_width; int access_time; int clk_div; u32 tim[5]; /* set by extif->convert_timings */ int converted; }; struct lcd_ctrl_extif { int (*init) (struct omapfb_device *fbdev); void (*cleanup) (void); void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div); unsigned long (*get_max_tx_rate)(void); int (*convert_timings) (struct extif_timings *timings); void (*set_timings) (const struct extif_timings *timings); void (*set_bits_per_cycle)(int bpc); void (*write_command) (const void *buf, unsigned int len); void (*read_data) (void *buf, unsigned int len); void (*write_data) (const void *buf, unsigned int len); void (*transfer_area) (int width, int height, void (callback)(void *data), void *data); int (*setup_tearsync) (unsigned pin_cnt, unsigned hs_pulse_time, unsigned vs_pulse_time, int hs_pol_inv, int vs_pol_inv, int div); int (*enable_tearsync) (int enable, unsigned line); unsigned long max_transmit_size; }; struct omapfb_notifier_block { struct notifier_block nb; void *data; int plane_idx; }; typedef int (*omapfb_notifier_callback_t)(struct notifier_block *, unsigned long event, void *fbi); struct lcd_ctrl { const char *name; void *data; int (*init) (struct omapfb_device *fbdev, int ext_mode, struct omapfb_mem_desc *req_md); void (*cleanup) (void); void (*bind_client) (struct omapfb_notifier_block *nb); void (*get_caps) (int plane, struct omapfb_caps *caps); int (*set_update_mode)(enum omapfb_update_mode mode); enum omapfb_update_mode (*get_update_mode)(void); int (*setup_plane) (int plane, int channel_out, unsigned long offset, int screen_width, int pos_x, int pos_y, int width, int height, int color_mode); int (*set_rotate) (int angle); int (*setup_mem) (int plane, size_t size, int mem_type, unsigned long *paddr); int (*mmap) (struct fb_info *info, struct vm_area_struct *vma); int (*set_scale) (int plane, int orig_width, int orig_height, int out_width, int out_height); int (*enable_plane) (int plane, int enable); int (*update_window) (struct fb_info *fbi, struct omapfb_update_window *win, void (*callback)(void *), void *callback_data); void (*sync) (void); void (*suspend) (void); void (*resume) (void); int (*run_test) (int test_num); int (*setcolreg) (u_int regno, u16 red, u16 green, u16 blue, u16 transp, int update_hw_mem); int (*set_color_key) (struct omapfb_color_key *ck); int (*get_color_key) (struct omapfb_color_key *ck); }; enum omapfb_state { OMAPFB_DISABLED = 0, OMAPFB_SUSPENDED = 99, OMAPFB_ACTIVE = 100 }; struct omapfb_plane_struct { int idx; struct omapfb_plane_info info; enum omapfb_color_format color_mode; struct omapfb_device *fbdev; }; struct omapfb_device { int state; int ext_lcdc; /* Using external LCD controller */ struct mutex rqueue_mutex; int palette_size; u32 pseudo_palette[17]; struct lcd_panel *panel; /* LCD panel */ const struct lcd_ctrl *ctrl; /* LCD controller */ const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */ struct lcd_ctrl_extif *ext_if; /* LCD ctrl external interface */ struct device *dev; struct fb_var_screeninfo new_var; /* for mode changes */ struct omapfb_mem_desc mem_desc; struct fb_info *fb_info[OMAPFB_PLANE_NUM]; struct platform_device *dssdev; /* dummy dev for clocks */ }; #ifdef CONFIG_ARCH_OMAP1 extern struct lcd_ctrl omap1_lcd_ctrl; #else extern struct lcd_ctrl omap2_disp_ctrl; #endif extern void omapfb_register_panel(struct lcd_panel *panel); extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval); extern void omapfb_notify_clients(struct omapfb_device *fbdev, unsigned long event); extern int omapfb_register_client(struct omapfb_notifier_block *nb, omapfb_notifier_callback_t callback, void *callback_data); extern int omapfb_unregister_client(struct omapfb_notifier_block *nb); extern int omapfb_update_window_async(struct fb_info *fbi, struct omapfb_update_window *win, void (*callback)(void *), void *callback_data); #endif /* __OMAPFB_H */