326 lines
8.7 KiB
C
326 lines
8.7 KiB
C
/*
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* File: include/asm-arm/arch-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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/* IOCTL commands. */
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#define OMAP_IOW(num, dtype) _IOW('O', num, dtype)
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#define OMAP_IOR(num, dtype) _IOR('O', num, dtype)
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#define OMAP_IOWR(num, dtype) _IOWR('O', num, dtype)
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#define OMAP_IO(num) _IO('O', num)
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#define OMAPFB_MIRROR OMAP_IOW(31, int)
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#define OMAPFB_SYNC_GFX OMAP_IO(37)
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#define OMAPFB_VSYNC OMAP_IO(38)
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#define OMAPFB_SET_UPDATE_MODE OMAP_IOW(40, int)
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#define OMAPFB_UPDATE_WINDOW_OLD OMAP_IOW(41, struct omapfb_update_window_old)
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#define OMAPFB_GET_CAPS OMAP_IOR(42, unsigned long)
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#define OMAPFB_GET_UPDATE_MODE OMAP_IOW(43, int)
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#define OMAPFB_LCD_TEST OMAP_IOW(45, int)
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#define OMAPFB_CTRL_TEST OMAP_IOW(46, int)
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#define OMAPFB_UPDATE_WINDOW OMAP_IOW(47, struct omapfb_update_window)
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#define OMAPFB_SETUP_PLANE OMAP_IOW(48, struct omapfb_setup_plane)
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#define OMAPFB_ENABLE_PLANE OMAP_IOW(49, struct omapfb_enable_plane)
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#define OMAPFB_SET_COLOR_KEY OMAP_IOW(50, struct omapfb_color_key)
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#define OMAPFB_CAPS_GENERIC_MASK 0x00000fff
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#define OMAPFB_CAPS_LCDC_MASK 0x00fff000
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#define OMAPFB_CAPS_PANEL_MASK 0xff000000
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#define OMAPFB_CAPS_MANUAL_UPDATE 0x00001000
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#define OMAPFB_CAPS_SET_BACKLIGHT 0x01000000
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/* Values from DSP must map to lower 16-bits */
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#define OMAPFB_FORMAT_MASK 0x00ff
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#define OMAPFB_FORMAT_FLAG_DOUBLE 0x0100
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enum omapfb_color_format {
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OMAPFB_COLOR_RGB565 = 0,
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OMAPFB_COLOR_YUV422,
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OMAPFB_COLOR_YUV420,
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OMAPFB_COLOR_CLUT_8BPP,
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OMAPFB_COLOR_CLUT_4BPP,
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OMAPFB_COLOR_CLUT_2BPP,
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OMAPFB_COLOR_CLUT_1BPP,
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};
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struct omapfb_update_window {
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__u32 x, y;
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__u32 width, height;
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__u32 format;
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};
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struct omapfb_update_window_old {
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__u32 x, y;
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__u32 width, height;
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};
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enum omapfb_plane {
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OMAPFB_PLANE_GFX = 0,
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OMAPFB_PLANE_VID1,
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OMAPFB_PLANE_VID2,
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};
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enum omapfb_channel_out {
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OMAPFB_CHANNEL_OUT_LCD = 0,
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OMAPFB_CHANNEL_OUT_DIGIT,
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};
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struct omapfb_setup_plane {
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__u8 plane;
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__u8 channel_out;
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__u32 offset;
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__u32 pos_x, pos_y;
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__u32 width, height;
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__u32 color_mode;
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};
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struct omapfb_enable_plane {
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__u8 plane;
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__u8 enable;
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};
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enum omapfb_color_key_type {
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OMAPFB_COLOR_KEY_DISABLED = 0,
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OMAPFB_COLOR_KEY_GFX_DST,
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OMAPFB_COLOR_KEY_VID_SRC,
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};
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struct omapfb_color_key {
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__u8 channel_out;
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__u32 background;
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__u32 trans_key;
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__u8 key_type;
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};
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enum omapfb_update_mode {
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OMAPFB_UPDATE_DISABLED = 0,
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OMAPFB_AUTO_UPDATE,
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OMAPFB_MANUAL_UPDATE
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};
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#ifdef __KERNEL__
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#include <linux/completion.h>
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#include <linux/interrupt.h>
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#include <linux/fb.h>
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#include <linux/mutex.h>
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#include <asm/arch/board.h>
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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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#ifdef CONFIG_ARCH_OMAP1
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#define OMAPFB_PLANE_NUM 1
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#else
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#define OMAPFB_PLANE_NUM 3
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#endif
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struct omapfb_device;
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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 omapfb_device *fbdev);
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void (*cleanup) (void);
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int (*enable) (void);
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void (*disable) (void);
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unsigned long (*get_caps) (void);
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int (*set_bklight_level)(unsigned int level);
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unsigned int (*get_bklight_level)(void);
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unsigned int (*get_bklight_max) (void);
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int (*run_test) (int test_num);
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};
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struct omapfb_device;
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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) (void);
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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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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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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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};
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typedef int (*omapfb_notifier_callback_t)(struct omapfb_notifier_block *,
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unsigned long event,
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struct omapfb_device *fbdev);
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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, int req_vram_size);
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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_vram_layout)(unsigned long *size,
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void **virt_base,
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dma_addr_t *phys_base);
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int (*mmap) (struct vm_area_struct *vma);
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unsigned long (*get_caps) (void);
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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 (*enable_plane) (int plane, int enable);
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int (*update_window) (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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};
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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_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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void *vram_virt_base;
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dma_addr_t vram_phys_base;
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unsigned long vram_size;
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int color_mode;
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int palette_size;
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int mirror;
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u32 pseudo_palette[17];
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struct lcd_panel *panel; /* LCD panel */
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struct lcd_ctrl *ctrl; /* LCD controller */
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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 fb_info *fb_info;
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struct device *dev;
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};
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struct omapfb_platform_data {
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struct omap_lcd_config lcd;
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struct omap_fbmem_config fbmem;
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};
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#define OMAPFB_EVENT_READY 1
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#define OMAPFB_EVENT_DISABLED 2
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#ifdef CONFIG_ARCH_OMAP1
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extern struct lcd_ctrl omap1_lcd_ctrl;
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#else
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extern struct lcd_ctrl omap2_disp_ctrl;
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#endif
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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 omapfb_update_window *win,
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void (*callback)(void *),
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void *callback_data);
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/* in arch/arm/plat-omap/devices.c */
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extern void omapfb_reserve_mem(void);
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#endif /* __KERNEL__ */
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#endif /* __OMAPFB_H */
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