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233 lines
6.8 KiB
233 lines
6.8 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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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 <[email protected]> |
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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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