| /* |
| * BRIEF MODULE DESCRIPTION |
| * Au1200 LCD Driver. |
| * |
| * Copyright 2004-2005 AMD |
| * Author: AMD |
| * |
| * Based on: |
| * linux/drivers/video/skeletonfb.c -- Skeleton for a frame buffer device |
| * Created 28 Dec 1997 by Geert Uytterhoeven |
| * |
| * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * 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., |
| * 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <linux/kernel.h> |
| #include <linux/errno.h> |
| #include <linux/string.h> |
| #include <linux/mm.h> |
| #include <linux/fb.h> |
| #include <linux/init.h> |
| #include <linux/interrupt.h> |
| #include <linux/ctype.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/slab.h> |
| |
| #include <asm/mach-au1x00/au1000.h> |
| #include <asm/mach-au1x00/au1200fb.h> /* platform_data */ |
| #include "au1200fb.h" |
| |
| #define DRIVER_NAME "au1200fb" |
| #define DRIVER_DESC "LCD controller driver for AU1200 processors" |
| |
| #define DEBUG 0 |
| |
| #define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg) |
| #define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg) |
| #define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg) |
| |
| #if DEBUG |
| #define print_dbg(f, arg...) printk(KERN_DEBUG __FILE__ ": " f "\n", ## arg) |
| #else |
| #define print_dbg(f, arg...) do {} while (0) |
| #endif |
| |
| |
| #define AU1200_LCD_FB_IOCTL 0x46FF |
| |
| #define AU1200_LCD_SET_SCREEN 1 |
| #define AU1200_LCD_GET_SCREEN 2 |
| #define AU1200_LCD_SET_WINDOW 3 |
| #define AU1200_LCD_GET_WINDOW 4 |
| #define AU1200_LCD_SET_PANEL 5 |
| #define AU1200_LCD_GET_PANEL 6 |
| |
| #define SCREEN_SIZE (1<< 1) |
| #define SCREEN_BACKCOLOR (1<< 2) |
| #define SCREEN_BRIGHTNESS (1<< 3) |
| #define SCREEN_COLORKEY (1<< 4) |
| #define SCREEN_MASK (1<< 5) |
| |
| struct au1200_lcd_global_regs_t { |
| unsigned int flags; |
| unsigned int xsize; |
| unsigned int ysize; |
| unsigned int backcolor; |
| unsigned int brightness; |
| unsigned int colorkey; |
| unsigned int mask; |
| unsigned int panel_choice; |
| char panel_desc[80]; |
| |
| }; |
| |
| #define WIN_POSITION (1<< 0) |
| #define WIN_ALPHA_COLOR (1<< 1) |
| #define WIN_ALPHA_MODE (1<< 2) |
| #define WIN_PRIORITY (1<< 3) |
| #define WIN_CHANNEL (1<< 4) |
| #define WIN_BUFFER_FORMAT (1<< 5) |
| #define WIN_COLOR_ORDER (1<< 6) |
| #define WIN_PIXEL_ORDER (1<< 7) |
| #define WIN_SIZE (1<< 8) |
| #define WIN_COLORKEY_MODE (1<< 9) |
| #define WIN_DOUBLE_BUFFER_MODE (1<< 10) |
| #define WIN_RAM_ARRAY_MODE (1<< 11) |
| #define WIN_BUFFER_SCALE (1<< 12) |
| #define WIN_ENABLE (1<< 13) |
| |
| struct au1200_lcd_window_regs_t { |
| unsigned int flags; |
| unsigned int xpos; |
| unsigned int ypos; |
| unsigned int alpha_color; |
| unsigned int alpha_mode; |
| unsigned int priority; |
| unsigned int channel; |
| unsigned int buffer_format; |
| unsigned int color_order; |
| unsigned int pixel_order; |
| unsigned int xsize; |
| unsigned int ysize; |
| unsigned int colorkey_mode; |
| unsigned int double_buffer_mode; |
| unsigned int ram_array_mode; |
| unsigned int xscale; |
| unsigned int yscale; |
| unsigned int enable; |
| }; |
| |
| |
| struct au1200_lcd_iodata_t { |
| unsigned int subcmd; |
| struct au1200_lcd_global_regs_t global; |
| struct au1200_lcd_window_regs_t window; |
| }; |
| |
| #if defined(__BIG_ENDIAN) |
| #define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11 |
| #else |
| #define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00 |
| #endif |
| #define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565 |
| |
| /* Private, per-framebuffer management information (independent of the panel itself) */ |
| struct au1200fb_device { |
| struct fb_info *fb_info; /* FB driver info record */ |
| struct au1200fb_platdata *pd; |
| |
| int plane; |
| unsigned char* fb_mem; /* FrameBuffer memory map */ |
| unsigned int fb_len; |
| dma_addr_t fb_phys; |
| }; |
| |
| /********************************************************************/ |
| |
| /* LCD controller restrictions */ |
| #define AU1200_LCD_MAX_XRES 1280 |
| #define AU1200_LCD_MAX_YRES 1024 |
| #define AU1200_LCD_MAX_BPP 32 |
| #define AU1200_LCD_MAX_CLK 96000000 /* fixme: this needs to go away ? */ |
| #define AU1200_LCD_NBR_PALETTE_ENTRIES 256 |
| |
| /* Default number of visible screen buffer to allocate */ |
| #define AU1200FB_NBR_VIDEO_BUFFERS 1 |
| |
| /* Default maximum number of fb devices to create */ |
| #define MAX_DEVICE_COUNT 4 |
| |
| /* Default window configuration entry to use (see windows[]) */ |
| #define DEFAULT_WINDOW_INDEX 2 |
| |
| /********************************************************************/ |
| |
| static struct fb_info *_au1200fb_infos[MAX_DEVICE_COUNT]; |
| static struct au1200_lcd *lcd = (struct au1200_lcd *) AU1200_LCD_ADDR; |
| static int device_count = MAX_DEVICE_COUNT; |
| static int window_index = DEFAULT_WINDOW_INDEX; /* default is zero */ |
| static int panel_index = 2; /* default is zero */ |
| static struct window_settings *win; |
| static struct panel_settings *panel; |
| static int noblanking = 1; |
| static int nohwcursor = 0; |
| |
| struct window_settings { |
| unsigned char name[64]; |
| uint32 mode_backcolor; |
| uint32 mode_colorkey; |
| uint32 mode_colorkeymsk; |
| struct { |
| int xres; |
| int yres; |
| int xpos; |
| int ypos; |
| uint32 mode_winctrl1; /* winctrl1[FRM,CCO,PO,PIPE] */ |
| uint32 mode_winenable; |
| } w[4]; |
| }; |
| |
| #if defined(__BIG_ENDIAN) |
| #define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_00 |
| #else |
| #define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_01 |
| #endif |
| |
| /* |
| * Default window configurations |
| */ |
| static struct window_settings windows[] = { |
| { /* Index 0 */ |
| "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", |
| /* mode_backcolor */ 0x006600ff, |
| /* mode_colorkey,msk*/ 0, 0, |
| { |
| { |
| /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| LCD_WINCTRL1_PO_16BPP, |
| /* mode_winenable*/ LCD_WINENABLE_WEN0, |
| }, |
| { |
| /* xres, yres, xpos, ypos */ 100, 100, 100, 100, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| LCD_WINCTRL1_PO_16BPP | |
| LCD_WINCTRL1_PIPE, |
| /* mode_winenable*/ LCD_WINENABLE_WEN1, |
| }, |
| { |
| /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| LCD_WINCTRL1_PO_16BPP, |
| /* mode_winenable*/ 0, |
| }, |
| { |
| /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| LCD_WINCTRL1_PO_16BPP | |
| LCD_WINCTRL1_PIPE, |
| /* mode_winenable*/ 0, |
| }, |
| }, |
| }, |
| |
| { /* Index 1 */ |
| "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", |
| /* mode_backcolor */ 0x006600ff, |
| /* mode_colorkey,msk*/ 0, 0, |
| { |
| { |
| /* xres, yres, xpos, ypos */ 320, 240, 5, 5, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_24BPP | |
| LCD_WINCTRL1_PO_00, |
| /* mode_winenable*/ LCD_WINENABLE_WEN0, |
| }, |
| { |
| /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
| | LCD_WINCTRL1_PO_16BPP, |
| /* mode_winenable*/ 0, |
| }, |
| { |
| /* xres, yres, xpos, ypos */ 100, 100, 0, 0, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| LCD_WINCTRL1_PO_16BPP | |
| LCD_WINCTRL1_PIPE, |
| /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/, |
| }, |
| { |
| /* xres, yres, xpos, ypos */ 200, 25, 0, 0, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| LCD_WINCTRL1_PO_16BPP | |
| LCD_WINCTRL1_PIPE, |
| /* mode_winenable*/ 0, |
| }, |
| }, |
| }, |
| { /* Index 2 */ |
| "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", |
| /* mode_backcolor */ 0x006600ff, |
| /* mode_colorkey,msk*/ 0, 0, |
| { |
| { |
| /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| LCD_WINCTRL1_PO_16BPP, |
| /* mode_winenable*/ LCD_WINENABLE_WEN0, |
| }, |
| { |
| /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| LCD_WINCTRL1_PO_16BPP, |
| /* mode_winenable*/ 0, |
| }, |
| { |
| /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_32BPP | |
| LCD_WINCTRL1_PO_00|LCD_WINCTRL1_PIPE, |
| /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/, |
| }, |
| { |
| /* xres, yres, xpos, ypos */ 0, 0, 0, 0, |
| /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | |
| LCD_WINCTRL1_PO_16BPP | |
| LCD_WINCTRL1_PIPE, |
| /* mode_winenable*/ 0, |
| }, |
| }, |
| }, |
| /* Need VGA 640 @ 24bpp, @ 32bpp */ |
| /* Need VGA 800 @ 24bpp, @ 32bpp */ |
| /* Need VGA 1024 @ 24bpp, @ 32bpp */ |
| }; |
| |
| /* |
| * Controller configurations for various panels. |
| */ |
| |
| struct panel_settings |
| { |
| const char name[25]; /* Full name <vendor>_<model> */ |
| |
| struct fb_monspecs monspecs; /* FB monitor specs */ |
| |
| /* panel timings */ |
| uint32 mode_screen; |
| uint32 mode_horztiming; |
| uint32 mode_verttiming; |
| uint32 mode_clkcontrol; |
| uint32 mode_pwmdiv; |
| uint32 mode_pwmhi; |
| uint32 mode_outmask; |
| uint32 mode_fifoctrl; |
| uint32 mode_toyclksrc; |
| uint32 mode_backlight; |
| uint32 mode_auxpll; |
| #define Xres min_xres |
| #define Yres min_yres |
| u32 min_xres; /* Minimum horizontal resolution */ |
| u32 max_xres; /* Maximum horizontal resolution */ |
| u32 min_yres; /* Minimum vertical resolution */ |
| u32 max_yres; /* Maximum vertical resolution */ |
| }; |
| |
| /********************************************************************/ |
| /* fixme: Maybe a modedb for the CRT ? otherwise panels should be as-is */ |
| |
| /* List of panels known to work with the AU1200 LCD controller. |
| * To add a new panel, enter the same specifications as the |
| * Generic_TFT one, and MAKE SURE that it doesn't conflicts |
| * with the controller restrictions. Restrictions are: |
| * |
| * STN color panels: max_bpp <= 12 |
| * STN mono panels: max_bpp <= 4 |
| * TFT panels: max_bpp <= 16 |
| * max_xres <= 800 |
| * max_yres <= 600 |
| */ |
| static struct panel_settings known_lcd_panels[] = |
| { |
| [0] = { /* QVGA 320x240 H:33.3kHz V:110Hz */ |
| .name = "QVGA_320x240", |
| .monspecs = { |
| .modedb = NULL, |
| .modedb_len = 0, |
| .hfmin = 30000, |
| .hfmax = 70000, |
| .vfmin = 60, |
| .vfmax = 60, |
| .dclkmin = 6000000, |
| .dclkmax = 28000000, |
| .input = FB_DISP_RGB, |
| }, |
| .mode_screen = LCD_SCREEN_SX_N(320) | |
| LCD_SCREEN_SY_N(240), |
| .mode_horztiming = 0x00c4623b, |
| .mode_verttiming = 0x00502814, |
| .mode_clkcontrol = 0x00020002, /* /4=24Mhz */ |
| .mode_pwmdiv = 0x00000000, |
| .mode_pwmhi = 0x00000000, |
| .mode_outmask = 0x00FFFFFF, |
| .mode_fifoctrl = 0x2f2f2f2f, |
| .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| .mode_backlight = 0x00000000, |
| .mode_auxpll = 8, /* 96MHz AUXPLL */ |
| 320, 320, |
| 240, 240, |
| }, |
| |
| [1] = { /* VGA 640x480 H:30.3kHz V:58Hz */ |
| .name = "VGA_640x480", |
| .monspecs = { |
| .modedb = NULL, |
| .modedb_len = 0, |
| .hfmin = 30000, |
| .hfmax = 70000, |
| .vfmin = 60, |
| .vfmax = 60, |
| .dclkmin = 6000000, |
| .dclkmax = 28000000, |
| .input = FB_DISP_RGB, |
| }, |
| .mode_screen = 0x13f9df80, |
| .mode_horztiming = 0x003c5859, |
| .mode_verttiming = 0x00741201, |
| .mode_clkcontrol = 0x00020001, /* /4=24Mhz */ |
| .mode_pwmdiv = 0x00000000, |
| .mode_pwmhi = 0x00000000, |
| .mode_outmask = 0x00FFFFFF, |
| .mode_fifoctrl = 0x2f2f2f2f, |
| .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| .mode_backlight = 0x00000000, |
| .mode_auxpll = 8, /* 96MHz AUXPLL */ |
| 640, 480, |
| 640, 480, |
| }, |
| |
| [2] = { /* SVGA 800x600 H:46.1kHz V:69Hz */ |
| .name = "SVGA_800x600", |
| .monspecs = { |
| .modedb = NULL, |
| .modedb_len = 0, |
| .hfmin = 30000, |
| .hfmax = 70000, |
| .vfmin = 60, |
| .vfmax = 60, |
| .dclkmin = 6000000, |
| .dclkmax = 28000000, |
| .input = FB_DISP_RGB, |
| }, |
| .mode_screen = 0x18fa5780, |
| .mode_horztiming = 0x00dc7e77, |
| .mode_verttiming = 0x00584805, |
| .mode_clkcontrol = 0x00020000, /* /2=48Mhz */ |
| .mode_pwmdiv = 0x00000000, |
| .mode_pwmhi = 0x00000000, |
| .mode_outmask = 0x00FFFFFF, |
| .mode_fifoctrl = 0x2f2f2f2f, |
| .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| .mode_backlight = 0x00000000, |
| .mode_auxpll = 8, /* 96MHz AUXPLL */ |
| 800, 800, |
| 600, 600, |
| }, |
| |
| [3] = { /* XVGA 1024x768 H:56.2kHz V:70Hz */ |
| .name = "XVGA_1024x768", |
| .monspecs = { |
| .modedb = NULL, |
| .modedb_len = 0, |
| .hfmin = 30000, |
| .hfmax = 70000, |
| .vfmin = 60, |
| .vfmax = 60, |
| .dclkmin = 6000000, |
| .dclkmax = 28000000, |
| .input = FB_DISP_RGB, |
| }, |
| .mode_screen = 0x1ffaff80, |
| .mode_horztiming = 0x007d0e57, |
| .mode_verttiming = 0x00740a01, |
| .mode_clkcontrol = 0x000A0000, /* /1 */ |
| .mode_pwmdiv = 0x00000000, |
| .mode_pwmhi = 0x00000000, |
| .mode_outmask = 0x00FFFFFF, |
| .mode_fifoctrl = 0x2f2f2f2f, |
| .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| .mode_backlight = 0x00000000, |
| .mode_auxpll = 6, /* 72MHz AUXPLL */ |
| 1024, 1024, |
| 768, 768, |
| }, |
| |
| [4] = { /* XVGA XVGA 1280x1024 H:68.5kHz V:65Hz */ |
| .name = "XVGA_1280x1024", |
| .monspecs = { |
| .modedb = NULL, |
| .modedb_len = 0, |
| .hfmin = 30000, |
| .hfmax = 70000, |
| .vfmin = 60, |
| .vfmax = 60, |
| .dclkmin = 6000000, |
| .dclkmax = 28000000, |
| .input = FB_DISP_RGB, |
| }, |
| .mode_screen = 0x27fbff80, |
| .mode_horztiming = 0x00cdb2c7, |
| .mode_verttiming = 0x00600002, |
| .mode_clkcontrol = 0x000A0000, /* /1 */ |
| .mode_pwmdiv = 0x00000000, |
| .mode_pwmhi = 0x00000000, |
| .mode_outmask = 0x00FFFFFF, |
| .mode_fifoctrl = 0x2f2f2f2f, |
| .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| .mode_backlight = 0x00000000, |
| .mode_auxpll = 10, /* 120MHz AUXPLL */ |
| 1280, 1280, |
| 1024, 1024, |
| }, |
| |
| [5] = { /* Samsung 1024x768 TFT */ |
| .name = "Samsung_1024x768_TFT", |
| .monspecs = { |
| .modedb = NULL, |
| .modedb_len = 0, |
| .hfmin = 30000, |
| .hfmax = 70000, |
| .vfmin = 60, |
| .vfmax = 60, |
| .dclkmin = 6000000, |
| .dclkmax = 28000000, |
| .input = FB_DISP_RGB, |
| }, |
| .mode_screen = 0x1ffaff80, |
| .mode_horztiming = 0x018cc677, |
| .mode_verttiming = 0x00241217, |
| .mode_clkcontrol = 0x00000000, /* SCB 0x1 /4=24Mhz */ |
| .mode_pwmdiv = 0x8000063f, /* SCB 0x0 */ |
| .mode_pwmhi = 0x03400000, /* SCB 0x0 */ |
| .mode_outmask = 0x00FFFFFF, |
| .mode_fifoctrl = 0x2f2f2f2f, |
| .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| .mode_backlight = 0x00000000, |
| .mode_auxpll = 8, /* 96MHz AUXPLL */ |
| 1024, 1024, |
| 768, 768, |
| }, |
| |
| [6] = { /* Toshiba 640x480 TFT */ |
| .name = "Toshiba_640x480_TFT", |
| .monspecs = { |
| .modedb = NULL, |
| .modedb_len = 0, |
| .hfmin = 30000, |
| .hfmax = 70000, |
| .vfmin = 60, |
| .vfmax = 60, |
| .dclkmin = 6000000, |
| .dclkmax = 28000000, |
| .input = FB_DISP_RGB, |
| }, |
| .mode_screen = LCD_SCREEN_SX_N(640) | |
| LCD_SCREEN_SY_N(480), |
| .mode_horztiming = LCD_HORZTIMING_HPW_N(96) | |
| LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(51), |
| .mode_verttiming = LCD_VERTTIMING_VPW_N(2) | |
| LCD_VERTTIMING_VND1_N(11) | LCD_VERTTIMING_VND2_N(32), |
| .mode_clkcontrol = 0x00000000, /* /4=24Mhz */ |
| .mode_pwmdiv = 0x8000063f, |
| .mode_pwmhi = 0x03400000, |
| .mode_outmask = 0x00fcfcfc, |
| .mode_fifoctrl = 0x2f2f2f2f, |
| .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| .mode_backlight = 0x00000000, |
| .mode_auxpll = 8, /* 96MHz AUXPLL */ |
| 640, 480, |
| 640, 480, |
| }, |
| |
| [7] = { /* Sharp 320x240 TFT */ |
| .name = "Sharp_320x240_TFT", |
| .monspecs = { |
| .modedb = NULL, |
| .modedb_len = 0, |
| .hfmin = 12500, |
| .hfmax = 20000, |
| .vfmin = 38, |
| .vfmax = 81, |
| .dclkmin = 4500000, |
| .dclkmax = 6800000, |
| .input = FB_DISP_RGB, |
| }, |
| .mode_screen = LCD_SCREEN_SX_N(320) | |
| LCD_SCREEN_SY_N(240), |
| .mode_horztiming = LCD_HORZTIMING_HPW_N(60) | |
| LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(2), |
| .mode_verttiming = LCD_VERTTIMING_VPW_N(2) | |
| LCD_VERTTIMING_VND1_N(2) | LCD_VERTTIMING_VND2_N(5), |
| .mode_clkcontrol = LCD_CLKCONTROL_PCD_N(7), /*16=6Mhz*/ |
| .mode_pwmdiv = 0x8000063f, |
| .mode_pwmhi = 0x03400000, |
| .mode_outmask = 0x00fcfcfc, |
| .mode_fifoctrl = 0x2f2f2f2f, |
| .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| .mode_backlight = 0x00000000, |
| .mode_auxpll = 8, /* 96MHz AUXPLL */ |
| 320, 320, |
| 240, 240, |
| }, |
| |
| [8] = { /* Toppoly TD070WGCB2 7" 856x480 TFT */ |
| .name = "Toppoly_TD070WGCB2", |
| .monspecs = { |
| .modedb = NULL, |
| .modedb_len = 0, |
| .hfmin = 30000, |
| .hfmax = 70000, |
| .vfmin = 60, |
| .vfmax = 60, |
| .dclkmin = 6000000, |
| .dclkmax = 28000000, |
| .input = FB_DISP_RGB, |
| }, |
| .mode_screen = LCD_SCREEN_SX_N(856) | |
| LCD_SCREEN_SY_N(480), |
| .mode_horztiming = LCD_HORZTIMING_HND2_N(43) | |
| LCD_HORZTIMING_HND1_N(43) | LCD_HORZTIMING_HPW_N(114), |
| .mode_verttiming = LCD_VERTTIMING_VND2_N(20) | |
| LCD_VERTTIMING_VND1_N(21) | LCD_VERTTIMING_VPW_N(4), |
| .mode_clkcontrol = 0x00020001, /* /4=24Mhz */ |
| .mode_pwmdiv = 0x8000063f, |
| .mode_pwmhi = 0x03400000, |
| .mode_outmask = 0x00fcfcfc, |
| .mode_fifoctrl = 0x2f2f2f2f, |
| .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| .mode_backlight = 0x00000000, |
| .mode_auxpll = 8, /* 96MHz AUXPLL */ |
| 856, 856, |
| 480, 480, |
| }, |
| [9] = { |
| .name = "DB1300_800x480", |
| .monspecs = { |
| .modedb = NULL, |
| .modedb_len = 0, |
| .hfmin = 30000, |
| .hfmax = 70000, |
| .vfmin = 60, |
| .vfmax = 60, |
| .dclkmin = 6000000, |
| .dclkmax = 28000000, |
| .input = FB_DISP_RGB, |
| }, |
| .mode_screen = LCD_SCREEN_SX_N(800) | |
| LCD_SCREEN_SY_N(480), |
| .mode_horztiming = LCD_HORZTIMING_HPW_N(5) | |
| LCD_HORZTIMING_HND1_N(16) | |
| LCD_HORZTIMING_HND2_N(8), |
| .mode_verttiming = LCD_VERTTIMING_VPW_N(4) | |
| LCD_VERTTIMING_VND1_N(8) | |
| LCD_VERTTIMING_VND2_N(5), |
| .mode_clkcontrol = LCD_CLKCONTROL_PCD_N(1) | |
| LCD_CLKCONTROL_IV | |
| LCD_CLKCONTROL_IH, |
| .mode_pwmdiv = 0x00000000, |
| .mode_pwmhi = 0x00000000, |
| .mode_outmask = 0x00FFFFFF, |
| .mode_fifoctrl = 0x2f2f2f2f, |
| .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ |
| .mode_backlight = 0x00000000, |
| .mode_auxpll = (48/12) * 2, |
| 800, 800, |
| 480, 480, |
| }, |
| }; |
| |
| #define NUM_PANELS (ARRAY_SIZE(known_lcd_panels)) |
| |
| /********************************************************************/ |
| |
| static int winbpp (unsigned int winctrl1) |
| { |
| int bits = 0; |
| |
| /* how many bits are needed for each pixel format */ |
| switch (winctrl1 & LCD_WINCTRL1_FRM) { |
| case LCD_WINCTRL1_FRM_1BPP: |
| bits = 1; |
| break; |
| case LCD_WINCTRL1_FRM_2BPP: |
| bits = 2; |
| break; |
| case LCD_WINCTRL1_FRM_4BPP: |
| bits = 4; |
| break; |
| case LCD_WINCTRL1_FRM_8BPP: |
| bits = 8; |
| break; |
| case LCD_WINCTRL1_FRM_12BPP: |
| case LCD_WINCTRL1_FRM_16BPP655: |
| case LCD_WINCTRL1_FRM_16BPP565: |
| case LCD_WINCTRL1_FRM_16BPP556: |
| case LCD_WINCTRL1_FRM_16BPPI1555: |
| case LCD_WINCTRL1_FRM_16BPPI5551: |
| case LCD_WINCTRL1_FRM_16BPPA1555: |
| case LCD_WINCTRL1_FRM_16BPPA5551: |
| bits = 16; |
| break; |
| case LCD_WINCTRL1_FRM_24BPP: |
| case LCD_WINCTRL1_FRM_32BPP: |
| bits = 32; |
| break; |
| } |
| |
| return bits; |
| } |
| |
| static int fbinfo2index (struct fb_info *fb_info) |
| { |
| int i; |
| |
| for (i = 0; i < device_count; ++i) { |
| if (fb_info == _au1200fb_infos[i]) |
| return i; |
| } |
| printk("au1200fb: ERROR: fbinfo2index failed!\n"); |
| return -1; |
| } |
| |
| static int au1200_setlocation (struct au1200fb_device *fbdev, int plane, |
| int xpos, int ypos) |
| { |
| uint32 winctrl0, winctrl1, winenable, fb_offset = 0; |
| int xsz, ysz; |
| |
| /* FIX!!! NOT CHECKING FOR COMPLETE OFFSCREEN YET */ |
| |
| winctrl0 = lcd->window[plane].winctrl0; |
| winctrl1 = lcd->window[plane].winctrl1; |
| winctrl0 &= (LCD_WINCTRL0_A | LCD_WINCTRL0_AEN); |
| winctrl1 &= ~(LCD_WINCTRL1_SZX | LCD_WINCTRL1_SZY); |
| |
| /* Check for off-screen adjustments */ |
| xsz = win->w[plane].xres; |
| ysz = win->w[plane].yres; |
| if ((xpos + win->w[plane].xres) > panel->Xres) { |
| /* Off-screen to the right */ |
| xsz = panel->Xres - xpos; /* off by 1 ??? */ |
| /*printk("off screen right\n");*/ |
| } |
| |
| if ((ypos + win->w[plane].yres) > panel->Yres) { |
| /* Off-screen to the bottom */ |
| ysz = panel->Yres - ypos; /* off by 1 ??? */ |
| /*printk("off screen bottom\n");*/ |
| } |
| |
| if (xpos < 0) { |
| /* Off-screen to the left */ |
| xsz = win->w[plane].xres + xpos; |
| fb_offset += (((0 - xpos) * winbpp(lcd->window[plane].winctrl1))/8); |
| xpos = 0; |
| /*printk("off screen left\n");*/ |
| } |
| |
| if (ypos < 0) { |
| /* Off-screen to the top */ |
| ysz = win->w[plane].yres + ypos; |
| /* fixme: fb_offset += ((0-ypos)*fb_pars[plane].line_length); */ |
| ypos = 0; |
| /*printk("off screen top\n");*/ |
| } |
| |
| /* record settings */ |
| win->w[plane].xpos = xpos; |
| win->w[plane].ypos = ypos; |
| |
| xsz -= 1; |
| ysz -= 1; |
| winctrl0 |= (xpos << 21); |
| winctrl0 |= (ypos << 10); |
| winctrl1 |= (xsz << 11); |
| winctrl1 |= (ysz << 0); |
| |
| /* Disable the window while making changes, then restore WINEN */ |
| winenable = lcd->winenable & (1 << plane); |
| wmb(); /* drain writebuffer */ |
| lcd->winenable &= ~(1 << plane); |
| lcd->window[plane].winctrl0 = winctrl0; |
| lcd->window[plane].winctrl1 = winctrl1; |
| lcd->window[plane].winbuf0 = |
| lcd->window[plane].winbuf1 = fbdev->fb_phys; |
| lcd->window[plane].winbufctrl = 0; /* select winbuf0 */ |
| lcd->winenable |= winenable; |
| wmb(); /* drain writebuffer */ |
| |
| return 0; |
| } |
| |
| static void au1200_setpanel(struct panel_settings *newpanel, |
| struct au1200fb_platdata *pd) |
| { |
| /* |
| * Perform global setup/init of LCD controller |
| */ |
| uint32 winenable; |
| |
| /* Make sure all windows disabled */ |
| winenable = lcd->winenable; |
| lcd->winenable = 0; |
| wmb(); /* drain writebuffer */ |
| /* |
| * Ensure everything is disabled before reconfiguring |
| */ |
| if (lcd->screen & LCD_SCREEN_SEN) { |
| /* Wait for vertical sync period */ |
| lcd->intstatus = LCD_INT_SS; |
| while ((lcd->intstatus & LCD_INT_SS) == 0) |
| ; |
| |
| lcd->screen &= ~LCD_SCREEN_SEN; /*disable the controller*/ |
| |
| do { |
| lcd->intstatus = lcd->intstatus; /*clear interrupts*/ |
| wmb(); /* drain writebuffer */ |
| /*wait for controller to shut down*/ |
| } while ((lcd->intstatus & LCD_INT_SD) == 0); |
| |
| /* Call shutdown of current panel (if up) */ |
| /* this must occur last, because if an external clock is driving |
| the controller, the clock cannot be turned off before first |
| shutting down the controller. |
| */ |
| if (pd->panel_shutdown) |
| pd->panel_shutdown(); |
| } |
| |
| /* Newpanel == NULL indicates a shutdown operation only */ |
| if (newpanel == NULL) |
| return; |
| |
| panel = newpanel; |
| |
| printk("Panel(%s), %dx%d\n", panel->name, panel->Xres, panel->Yres); |
| |
| /* |
| * Setup clocking if internal LCD clock source (assumes sys_auxpll valid) |
| */ |
| if (!(panel->mode_clkcontrol & LCD_CLKCONTROL_EXT)) |
| { |
| uint32 sys_clksrc; |
| alchemy_wrsys(panel->mode_auxpll, AU1000_SYS_AUXPLL); |
| sys_clksrc = alchemy_rdsys(AU1000_SYS_CLKSRC) & ~0x0000001f; |
| sys_clksrc |= panel->mode_toyclksrc; |
| alchemy_wrsys(sys_clksrc, AU1000_SYS_CLKSRC); |
| } |
| |
| /* |
| * Configure panel timings |
| */ |
| lcd->screen = panel->mode_screen; |
| lcd->horztiming = panel->mode_horztiming; |
| lcd->verttiming = panel->mode_verttiming; |
| lcd->clkcontrol = panel->mode_clkcontrol; |
| lcd->pwmdiv = panel->mode_pwmdiv; |
| lcd->pwmhi = panel->mode_pwmhi; |
| lcd->outmask = panel->mode_outmask; |
| lcd->fifoctrl = panel->mode_fifoctrl; |
| wmb(); /* drain writebuffer */ |
| |
| /* fixme: Check window settings to make sure still valid |
| * for new geometry */ |
| #if 0 |
| au1200_setlocation(fbdev, 0, win->w[0].xpos, win->w[0].ypos); |
| au1200_setlocation(fbdev, 1, win->w[1].xpos, win->w[1].ypos); |
| au1200_setlocation(fbdev, 2, win->w[2].xpos, win->w[2].ypos); |
| au1200_setlocation(fbdev, 3, win->w[3].xpos, win->w[3].ypos); |
| #endif |
| lcd->winenable = winenable; |
| |
| /* |
| * Re-enable screen now that it is configured |
| */ |
| lcd->screen |= LCD_SCREEN_SEN; |
| wmb(); /* drain writebuffer */ |
| |
| /* Call init of panel */ |
| if (pd->panel_init) |
| pd->panel_init(); |
| |
| /* FIX!!!! not appropriate on panel change!!! Global setup/init */ |
| lcd->intenable = 0; |
| lcd->intstatus = ~0; |
| lcd->backcolor = win->mode_backcolor; |
| |
| /* Setup Color Key - FIX!!! */ |
| lcd->colorkey = win->mode_colorkey; |
| lcd->colorkeymsk = win->mode_colorkeymsk; |
| |
| /* Setup HWCursor - FIX!!! Need to support this eventually */ |
| lcd->hwc.cursorctrl = 0; |
| lcd->hwc.cursorpos = 0; |
| lcd->hwc.cursorcolor0 = 0; |
| lcd->hwc.cursorcolor1 = 0; |
| lcd->hwc.cursorcolor2 = 0; |
| lcd->hwc.cursorcolor3 = 0; |
| |
| |
| #if 0 |
| #define D(X) printk("%25s: %08X\n", #X, X) |
| D(lcd->screen); |
| D(lcd->horztiming); |
| D(lcd->verttiming); |
| D(lcd->clkcontrol); |
| D(lcd->pwmdiv); |
| D(lcd->pwmhi); |
| D(lcd->outmask); |
| D(lcd->fifoctrl); |
| D(lcd->window[0].winctrl0); |
| D(lcd->window[0].winctrl1); |
| D(lcd->window[0].winctrl2); |
| D(lcd->window[0].winbuf0); |
| D(lcd->window[0].winbuf1); |
| D(lcd->window[0].winbufctrl); |
| D(lcd->window[1].winctrl0); |
| D(lcd->window[1].winctrl1); |
| D(lcd->window[1].winctrl2); |
| D(lcd->window[1].winbuf0); |
| D(lcd->window[1].winbuf1); |
| D(lcd->window[1].winbufctrl); |
| D(lcd->window[2].winctrl0); |
| D(lcd->window[2].winctrl1); |
| D(lcd->window[2].winctrl2); |
| D(lcd->window[2].winbuf0); |
| D(lcd->window[2].winbuf1); |
| D(lcd->window[2].winbufctrl); |
| D(lcd->window[3].winctrl0); |
| D(lcd->window[3].winctrl1); |
| D(lcd->window[3].winctrl2); |
| D(lcd->window[3].winbuf0); |
| D(lcd->window[3].winbuf1); |
| D(lcd->window[3].winbufctrl); |
| D(lcd->winenable); |
| D(lcd->intenable); |
| D(lcd->intstatus); |
| D(lcd->backcolor); |
| D(lcd->winenable); |
| D(lcd->colorkey); |
| D(lcd->colorkeymsk); |
| D(lcd->hwc.cursorctrl); |
| D(lcd->hwc.cursorpos); |
| D(lcd->hwc.cursorcolor0); |
| D(lcd->hwc.cursorcolor1); |
| D(lcd->hwc.cursorcolor2); |
| D(lcd->hwc.cursorcolor3); |
| #endif |
| } |
| |
| static void au1200_setmode(struct au1200fb_device *fbdev) |
| { |
| int plane = fbdev->plane; |
| /* Window/plane setup */ |
| lcd->window[plane].winctrl1 = ( 0 |
| | LCD_WINCTRL1_PRI_N(plane) |
| | win->w[plane].mode_winctrl1 /* FRM,CCO,PO,PIPE */ |
| ) ; |
| |
| au1200_setlocation(fbdev, plane, win->w[plane].xpos, win->w[plane].ypos); |
| |
| lcd->window[plane].winctrl2 = ( 0 |
| | LCD_WINCTRL2_CKMODE_00 |
| | LCD_WINCTRL2_DBM |
| | LCD_WINCTRL2_BX_N(fbdev->fb_info->fix.line_length) |
| | LCD_WINCTRL2_SCX_1 |
| | LCD_WINCTRL2_SCY_1 |
| ) ; |
| lcd->winenable |= win->w[plane].mode_winenable; |
| wmb(); /* drain writebuffer */ |
| } |
| |
| |
| /* Inline helpers */ |
| |
| /*#define panel_is_dual(panel) ((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/ |
| /*#define panel_is_active(panel)((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/ |
| |
| #define panel_is_color(panel) ((panel->mode_screen & LCD_SCREEN_PT) <= LCD_SCREEN_PT_CDSTN) |
| |
| /* Bitfields format supported by the controller. */ |
| static struct fb_bitfield rgb_bitfields[][4] = { |
| /* Red, Green, Blue, Transp */ |
| [LCD_WINCTRL1_FRM_16BPP655 >> 25] = |
| { { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, |
| |
| [LCD_WINCTRL1_FRM_16BPP565 >> 25] = |
| { { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, |
| |
| [LCD_WINCTRL1_FRM_16BPP556 >> 25] = |
| { { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } }, |
| |
| [LCD_WINCTRL1_FRM_16BPPI1555 >> 25] = |
| { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, |
| |
| [LCD_WINCTRL1_FRM_16BPPI5551 >> 25] = |
| { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 0, 0 } }, |
| |
| [LCD_WINCTRL1_FRM_16BPPA1555 >> 25] = |
| { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } }, |
| |
| [LCD_WINCTRL1_FRM_16BPPA5551 >> 25] = |
| { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } }, |
| |
| [LCD_WINCTRL1_FRM_24BPP >> 25] = |
| { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 0, 0, 0 } }, |
| |
| [LCD_WINCTRL1_FRM_32BPP >> 25] = |
| { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 24, 0, 0 } }, |
| }; |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| /* Helpers */ |
| |
| static void au1200fb_update_fbinfo(struct fb_info *fbi) |
| { |
| /* FIX!!!! This also needs to take the window pixel format into account!!! */ |
| |
| /* Update var-dependent FB info */ |
| if (panel_is_color(panel)) { |
| if (fbi->var.bits_per_pixel <= 8) { |
| /* palettized */ |
| fbi->fix.visual = FB_VISUAL_PSEUDOCOLOR; |
| fbi->fix.line_length = fbi->var.xres_virtual / |
| (8/fbi->var.bits_per_pixel); |
| } else { |
| /* non-palettized */ |
| fbi->fix.visual = FB_VISUAL_TRUECOLOR; |
| fbi->fix.line_length = fbi->var.xres_virtual * (fbi->var.bits_per_pixel / 8); |
| } |
| } else { |
| /* mono FIX!!! mono 8 and 4 bits */ |
| fbi->fix.visual = FB_VISUAL_MONO10; |
| fbi->fix.line_length = fbi->var.xres_virtual / 8; |
| } |
| |
| fbi->screen_size = fbi->fix.line_length * fbi->var.yres_virtual; |
| print_dbg("line length: %d\n", fbi->fix.line_length); |
| print_dbg("bits_per_pixel: %d\n", fbi->var.bits_per_pixel); |
| } |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| /* AU1200 framebuffer driver */ |
| |
| /* fb_check_var |
| * Validate var settings with hardware restrictions and modify it if necessary |
| */ |
| static int au1200fb_fb_check_var(struct fb_var_screeninfo *var, |
| struct fb_info *fbi) |
| { |
| struct au1200fb_device *fbdev = fbi->par; |
| u32 pixclock; |
| int screen_size, plane; |
| |
| plane = fbdev->plane; |
| |
| /* Make sure that the mode respect all LCD controller and |
| * panel restrictions. */ |
| var->xres = win->w[plane].xres; |
| var->yres = win->w[plane].yres; |
| |
| /* No need for virtual resolution support */ |
| var->xres_virtual = var->xres; |
| var->yres_virtual = var->yres; |
| |
| var->bits_per_pixel = winbpp(win->w[plane].mode_winctrl1); |
| |
| screen_size = var->xres_virtual * var->yres_virtual; |
| if (var->bits_per_pixel > 8) screen_size *= (var->bits_per_pixel / 8); |
| else screen_size /= (8/var->bits_per_pixel); |
| |
| if (fbdev->fb_len < screen_size) |
| return -EINVAL; /* Virtual screen is to big, abort */ |
| |
| /* FIX!!!! what are the implicaitons of ignoring this for windows ??? */ |
| /* The max LCD clock is fixed to 48MHz (value of AUX_CLK). The pixel |
| * clock can only be obtain by dividing this value by an even integer. |
| * Fallback to a slower pixel clock if necessary. */ |
| pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin); |
| pixclock = min3(pixclock, fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2); |
| |
| if (AU1200_LCD_MAX_CLK % pixclock) { |
| int diff = AU1200_LCD_MAX_CLK % pixclock; |
| pixclock -= diff; |
| } |
| |
| var->pixclock = KHZ2PICOS(pixclock/1000); |
| #if 0 |
| if (!panel_is_active(panel)) { |
| int pcd = AU1200_LCD_MAX_CLK / (pixclock * 2) - 1; |
| |
| if (!panel_is_color(panel) |
| && (panel->control_base & LCD_CONTROL_MPI) && (pcd < 3)) { |
| /* STN 8bit mono panel support is up to 6MHz pixclock */ |
| var->pixclock = KHZ2PICOS(6000); |
| } else if (!pcd) { |
| /* Other STN panel support is up to 12MHz */ |
| var->pixclock = KHZ2PICOS(12000); |
| } |
| } |
| #endif |
| /* Set bitfield accordingly */ |
| switch (var->bits_per_pixel) { |
| case 16: |
| { |
| /* 16bpp True color. |
| * These must be set to MATCH WINCTRL[FORM] */ |
| int idx; |
| idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25; |
| var->red = rgb_bitfields[idx][0]; |
| var->green = rgb_bitfields[idx][1]; |
| var->blue = rgb_bitfields[idx][2]; |
| var->transp = rgb_bitfields[idx][3]; |
| break; |
| } |
| |
| case 32: |
| { |
| /* 32bpp True color. |
| * These must be set to MATCH WINCTRL[FORM] */ |
| int idx; |
| idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25; |
| var->red = rgb_bitfields[idx][0]; |
| var->green = rgb_bitfields[idx][1]; |
| var->blue = rgb_bitfields[idx][2]; |
| var->transp = rgb_bitfields[idx][3]; |
| break; |
| } |
| default: |
| print_dbg("Unsupported depth %dbpp", var->bits_per_pixel); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| /* fb_set_par |
| * Set hardware with var settings. This will enable the controller with a |
| * specific mode, normally validated with the fb_check_var method |
| */ |
| static int au1200fb_fb_set_par(struct fb_info *fbi) |
| { |
| struct au1200fb_device *fbdev = fbi->par; |
| |
| au1200fb_update_fbinfo(fbi); |
| au1200_setmode(fbdev); |
| |
| return 0; |
| } |
| |
| /* fb_setcolreg |
| * Set color in LCD palette. |
| */ |
| static int au1200fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green, |
| unsigned blue, unsigned transp, struct fb_info *fbi) |
| { |
| volatile u32 *palette = lcd->palette; |
| u32 value; |
| |
| if (regno > (AU1200_LCD_NBR_PALETTE_ENTRIES - 1)) |
| return -EINVAL; |
| |
| if (fbi->var.grayscale) { |
| /* Convert color to grayscale */ |
| red = green = blue = |
| (19595 * red + 38470 * green + 7471 * blue) >> 16; |
| } |
| |
| if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) { |
| /* Place color in the pseudopalette */ |
| if (regno > 16) |
| return -EINVAL; |
| |
| palette = (u32*) fbi->pseudo_palette; |
| |
| red >>= (16 - fbi->var.red.length); |
| green >>= (16 - fbi->var.green.length); |
| blue >>= (16 - fbi->var.blue.length); |
| |
| value = (red << fbi->var.red.offset) | |
| (green << fbi->var.green.offset)| |
| (blue << fbi->var.blue.offset); |
| value &= 0xFFFF; |
| |
| } else if (1 /*FIX!!! panel_is_active(fbdev->panel)*/) { |
| /* COLOR TFT PALLETTIZED (use RGB 565) */ |
| value = (red & 0xF800)|((green >> 5) & |
| 0x07E0)|((blue >> 11) & 0x001F); |
| value &= 0xFFFF; |
| |
| } else if (0 /*panel_is_color(fbdev->panel)*/) { |
| /* COLOR STN MODE */ |
| value = 0x1234; |
| value &= 0xFFF; |
| } else { |
| /* MONOCHROME MODE */ |
| value = (green >> 12) & 0x000F; |
| value &= 0xF; |
| } |
| |
| palette[regno] = value; |
| |
| return 0; |
| } |
| |
| /* fb_blank |
| * Blank the screen. Depending on the mode, the screen will be |
| * activated with the backlight color, or desactivated |
| */ |
| static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi) |
| { |
| struct au1200fb_device *fbdev = fbi->par; |
| |
| /* Short-circuit screen blanking */ |
| if (noblanking) |
| return 0; |
| |
| switch (blank_mode) { |
| |
| case FB_BLANK_UNBLANK: |
| case FB_BLANK_NORMAL: |
| /* printk("turn on panel\n"); */ |
| au1200_setpanel(panel, fbdev->pd); |
| break; |
| case FB_BLANK_VSYNC_SUSPEND: |
| case FB_BLANK_HSYNC_SUSPEND: |
| case FB_BLANK_POWERDOWN: |
| /* printk("turn off panel\n"); */ |
| au1200_setpanel(NULL, fbdev->pd); |
| break; |
| default: |
| break; |
| |
| } |
| |
| /* FB_BLANK_NORMAL is a soft blank */ |
| return (blank_mode == FB_BLANK_NORMAL) ? -EINVAL : 0; |
| } |
| |
| /* fb_mmap |
| * Map video memory in user space. We don't use the generic fb_mmap |
| * method mainly to allow the use of the TLB streaming flag (CCA=6) |
| */ |
| static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) |
| { |
| struct au1200fb_device *fbdev = info->par; |
| |
| vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); |
| pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */ |
| |
| return vm_iomap_memory(vma, fbdev->fb_phys, fbdev->fb_len); |
| } |
| |
| static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) |
| { |
| |
| unsigned int hi1, divider; |
| |
| /* SCREEN_SIZE: user cannot reset size, must switch panel choice */ |
| |
| if (pdata->flags & SCREEN_BACKCOLOR) |
| lcd->backcolor = pdata->backcolor; |
| |
| if (pdata->flags & SCREEN_BRIGHTNESS) { |
| |
| // limit brightness pwm duty to >= 30/1600 |
| if (pdata->brightness < 30) { |
| pdata->brightness = 30; |
| } |
| divider = (lcd->pwmdiv & 0x3FFFF) + 1; |
| hi1 = (lcd->pwmhi >> 16) + 1; |
| hi1 = (((pdata->brightness & 0xFF)+1) * divider >> 8); |
| lcd->pwmhi &= 0xFFFF; |
| lcd->pwmhi |= (hi1 << 16); |
| } |
| |
| if (pdata->flags & SCREEN_COLORKEY) |
| lcd->colorkey = pdata->colorkey; |
| |
| if (pdata->flags & SCREEN_MASK) |
| lcd->colorkeymsk = pdata->mask; |
| wmb(); /* drain writebuffer */ |
| } |
| |
| static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) |
| { |
| unsigned int hi1, divider; |
| |
| pdata->xsize = ((lcd->screen & LCD_SCREEN_SX) >> 19) + 1; |
| pdata->ysize = ((lcd->screen & LCD_SCREEN_SY) >> 8) + 1; |
| |
| pdata->backcolor = lcd->backcolor; |
| pdata->colorkey = lcd->colorkey; |
| pdata->mask = lcd->colorkeymsk; |
| |
| // brightness |
| hi1 = (lcd->pwmhi >> 16) + 1; |
| divider = (lcd->pwmdiv & 0x3FFFF) + 1; |
| pdata->brightness = ((hi1 << 8) / divider) - 1; |
| wmb(); /* drain writebuffer */ |
| } |
| |
| static void set_window(unsigned int plane, |
| struct au1200_lcd_window_regs_t *pdata) |
| { |
| unsigned int val, bpp; |
| |
| /* Window control register 0 */ |
| if (pdata->flags & WIN_POSITION) { |
| val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_OX | |
| LCD_WINCTRL0_OY); |
| val |= ((pdata->xpos << 21) & LCD_WINCTRL0_OX); |
| val |= ((pdata->ypos << 10) & LCD_WINCTRL0_OY); |
| lcd->window[plane].winctrl0 = val; |
| } |
| if (pdata->flags & WIN_ALPHA_COLOR) { |
| val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_A); |
| val |= ((pdata->alpha_color << 2) & LCD_WINCTRL0_A); |
| lcd->window[plane].winctrl0 = val; |
| } |
| if (pdata->flags & WIN_ALPHA_MODE) { |
| val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_AEN); |
| val |= ((pdata->alpha_mode << 1) & LCD_WINCTRL0_AEN); |
| lcd->window[plane].winctrl0 = val; |
| } |
| |
| /* Window control register 1 */ |
| if (pdata->flags & WIN_PRIORITY) { |
| val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PRI); |
| val |= ((pdata->priority << 30) & LCD_WINCTRL1_PRI); |
| lcd->window[plane].winctrl1 = val; |
| } |
| if (pdata->flags & WIN_CHANNEL) { |
| val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PIPE); |
| val |= ((pdata->channel << 29) & LCD_WINCTRL1_PIPE); |
| lcd->window[plane].winctrl1 = val; |
| } |
| if (pdata->flags & WIN_BUFFER_FORMAT) { |
| val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_FRM); |
| val |= ((pdata->buffer_format << 25) & LCD_WINCTRL1_FRM); |
| lcd->window[plane].winctrl1 = val; |
| } |
| if (pdata->flags & WIN_COLOR_ORDER) { |
| val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_CCO); |
| val |= ((pdata->color_order << 24) & LCD_WINCTRL1_CCO); |
| lcd->window[plane].winctrl1 = val; |
| } |
| if (pdata->flags & WIN_PIXEL_ORDER) { |
| val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PO); |
| val |= ((pdata->pixel_order << 22) & LCD_WINCTRL1_PO); |
| lcd->window[plane].winctrl1 = val; |
| } |
| if (pdata->flags & WIN_SIZE) { |
| val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_SZX | |
| LCD_WINCTRL1_SZY); |
| val |= (((pdata->xsize << 11) - 1) & LCD_WINCTRL1_SZX); |
| val |= (((pdata->ysize) - 1) & LCD_WINCTRL1_SZY); |
| lcd->window[plane].winctrl1 = val; |
| /* program buffer line width */ |
| bpp = winbpp(val) / 8; |
| val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_BX); |
| val |= (((pdata->xsize * bpp) << 8) & LCD_WINCTRL2_BX); |
| lcd->window[plane].winctrl2 = val; |
| } |
| |
| /* Window control register 2 */ |
| if (pdata->flags & WIN_COLORKEY_MODE) { |
| val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_CKMODE); |
| val |= ((pdata->colorkey_mode << 24) & LCD_WINCTRL2_CKMODE); |
| lcd->window[plane].winctrl2 = val; |
| } |
| if (pdata->flags & WIN_DOUBLE_BUFFER_MODE) { |
| val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_DBM); |
| val |= ((pdata->double_buffer_mode << 23) & LCD_WINCTRL2_DBM); |
| lcd->window[plane].winctrl2 = val; |
| } |
| if (pdata->flags & WIN_RAM_ARRAY_MODE) { |
| val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_RAM); |
| val |= ((pdata->ram_array_mode << 21) & LCD_WINCTRL2_RAM); |
| lcd->window[plane].winctrl2 = val; |
| } |
| |
| /* Buffer line width programmed with WIN_SIZE */ |
| |
| if (pdata->flags & WIN_BUFFER_SCALE) { |
| val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_SCX | |
| LCD_WINCTRL2_SCY); |
| val |= ((pdata->xsize << 11) & LCD_WINCTRL2_SCX); |
| val |= ((pdata->ysize) & LCD_WINCTRL2_SCY); |
| lcd->window[plane].winctrl2 = val; |
| } |
| |
| if (pdata->flags & WIN_ENABLE) { |
| val = lcd->winenable; |
| val &= ~(1<<plane); |
| val |= (pdata->enable & 1) << plane; |
| lcd->winenable = val; |
| } |
| wmb(); /* drain writebuffer */ |
| } |
| |
| static void get_window(unsigned int plane, |
| struct au1200_lcd_window_regs_t *pdata) |
| { |
| /* Window control register 0 */ |
| pdata->xpos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OX) >> 21; |
| pdata->ypos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OY) >> 10; |
| pdata->alpha_color = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_A) >> 2; |
| pdata->alpha_mode = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_AEN) >> 1; |
| |
| /* Window control register 1 */ |
| pdata->priority = (lcd->window[plane].winctrl1& LCD_WINCTRL1_PRI) >> 30; |
| pdata->channel = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PIPE) >> 29; |
| pdata->buffer_format = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_FRM) >> 25; |
| pdata->color_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_CCO) >> 24; |
| pdata->pixel_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PO) >> 22; |
| pdata->xsize = ((lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZX) >> 11) + 1; |
| pdata->ysize = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZY) + 1; |
| |
| /* Window control register 2 */ |
| pdata->colorkey_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_CKMODE) >> 24; |
| pdata->double_buffer_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_DBM) >> 23; |
| pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21; |
| |
| pdata->enable = (lcd->winenable >> plane) & 1; |
| wmb(); /* drain writebuffer */ |
| } |
| |
| static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd, |
| unsigned long arg) |
| { |
| struct au1200fb_device *fbdev = info->par; |
| int plane; |
| int val; |
| |
| plane = fbinfo2index(info); |
| print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane); |
| |
| if (cmd == AU1200_LCD_FB_IOCTL) { |
| struct au1200_lcd_iodata_t iodata; |
| |
| if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata))) |
| return -EFAULT; |
| |
| print_dbg("FB IOCTL called\n"); |
| |
| switch (iodata.subcmd) { |
| case AU1200_LCD_SET_SCREEN: |
| print_dbg("AU1200_LCD_SET_SCREEN\n"); |
| set_global(cmd, &iodata.global); |
| break; |
| |
| case AU1200_LCD_GET_SCREEN: |
| print_dbg("AU1200_LCD_GET_SCREEN\n"); |
| get_global(cmd, &iodata.global); |
| break; |
| |
| case AU1200_LCD_SET_WINDOW: |
| print_dbg("AU1200_LCD_SET_WINDOW\n"); |
| set_window(plane, &iodata.window); |
| break; |
| |
| case AU1200_LCD_GET_WINDOW: |
| print_dbg("AU1200_LCD_GET_WINDOW\n"); |
| get_window(plane, &iodata.window); |
| break; |
| |
| case AU1200_LCD_SET_PANEL: |
| print_dbg("AU1200_LCD_SET_PANEL\n"); |
| if ((iodata.global.panel_choice >= 0) && |
| (iodata.global.panel_choice < |
| NUM_PANELS)) |
| { |
| struct panel_settings *newpanel; |
| panel_index = iodata.global.panel_choice; |
| newpanel = &known_lcd_panels[panel_index]; |
| au1200_setpanel(newpanel, fbdev->pd); |
| } |
| break; |
| |
| case AU1200_LCD_GET_PANEL: |
| print_dbg("AU1200_LCD_GET_PANEL\n"); |
| iodata.global.panel_choice = panel_index; |
| break; |
| |
| default: |
| return -EINVAL; |
| } |
| |
| val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata)); |
| if (val) { |
| print_dbg("error: could not copy %d bytes\n", val); |
| return -EFAULT; |
| } |
| } |
| |
| return 0; |
| } |
| |
| |
| static struct fb_ops au1200fb_fb_ops = { |
| .owner = THIS_MODULE, |
| .fb_check_var = au1200fb_fb_check_var, |
| .fb_set_par = au1200fb_fb_set_par, |
| .fb_setcolreg = au1200fb_fb_setcolreg, |
| .fb_blank = au1200fb_fb_blank, |
| .fb_fillrect = sys_fillrect, |
| .fb_copyarea = sys_copyarea, |
| .fb_imageblit = sys_imageblit, |
| .fb_read = fb_sys_read, |
| .fb_write = fb_sys_write, |
| .fb_sync = NULL, |
| .fb_ioctl = au1200fb_ioctl, |
| .fb_mmap = au1200fb_fb_mmap, |
| }; |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id) |
| { |
| /* Nothing to do for now, just clear any pending interrupt */ |
| lcd->intstatus = lcd->intstatus; |
| wmb(); /* drain writebuffer */ |
| |
| return IRQ_HANDLED; |
| } |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| /* AU1200 LCD device probe helpers */ |
| |
| static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev) |
| { |
| struct fb_info *fbi = fbdev->fb_info; |
| int bpp; |
| |
| fbi->fbops = &au1200fb_fb_ops; |
| |
| bpp = winbpp(win->w[fbdev->plane].mode_winctrl1); |
| |
| /* Copy monitor specs from panel data */ |
| /* fixme: we're setting up LCD controller windows, so these dont give a |
| damn as to what the monitor specs are (the panel itself does, but that |
| isn't done here...so maybe need a generic catchall monitor setting??? */ |
| memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs)); |
| |
| /* We first try the user mode passed in argument. If that failed, |
| * or if no one has been specified, we default to the first mode of the |
| * panel list. Note that after this call, var data will be set */ |
| if (!fb_find_mode(&fbi->var, |
| fbi, |
| NULL, /* drv_info.opt_mode, */ |
| fbi->monspecs.modedb, |
| fbi->monspecs.modedb_len, |
| fbi->monspecs.modedb, |
| bpp)) { |
| |
| print_err("Cannot find valid mode for panel %s", panel->name); |
| return -EFAULT; |
| } |
| |
| fbi->pseudo_palette = kcalloc(16, sizeof(u32), GFP_KERNEL); |
| if (!fbi->pseudo_palette) { |
| return -ENOMEM; |
| } |
| |
| if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) { |
| print_err("Fail to allocate colormap (%d entries)", |
| AU1200_LCD_NBR_PALETTE_ENTRIES); |
| kfree(fbi->pseudo_palette); |
| return -EFAULT; |
| } |
| |
| strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id)); |
| fbi->fix.smem_start = fbdev->fb_phys; |
| fbi->fix.smem_len = fbdev->fb_len; |
| fbi->fix.type = FB_TYPE_PACKED_PIXELS; |
| fbi->fix.xpanstep = 0; |
| fbi->fix.ypanstep = 0; |
| fbi->fix.mmio_start = 0; |
| fbi->fix.mmio_len = 0; |
| fbi->fix.accel = FB_ACCEL_NONE; |
| |
| fbi->screen_base = (char __iomem *) fbdev->fb_mem; |
| |
| au1200fb_update_fbinfo(fbi); |
| |
| return 0; |
| } |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| |
| static int au1200fb_setup(struct au1200fb_platdata *pd) |
| { |
| char *options = NULL; |
| char *this_opt, *endptr; |
| int num_panels = ARRAY_SIZE(known_lcd_panels); |
| int panel_idx = -1; |
| |
| fb_get_options(DRIVER_NAME, &options); |
| |
| if (!options) |
| goto out; |
| |
| while ((this_opt = strsep(&options, ",")) != NULL) { |
| /* Panel option - can be panel name, |
| * "bs" for board-switch, or number/index */ |
| if (!strncmp(this_opt, "panel:", 6)) { |
| int i; |
| long int li; |
| char *endptr; |
| this_opt += 6; |
| /* First check for index, which allows |
| * to short circuit this mess */ |
| li = simple_strtol(this_opt, &endptr, 0); |
| if (*endptr == '\0') |
| panel_idx = (int)li; |
| else if (strcmp(this_opt, "bs") == 0) |
| panel_idx = pd->panel_index(); |
| else { |
| for (i = 0; i < num_panels; i++) { |
| if (!strcmp(this_opt, |
| known_lcd_panels[i].name)) { |
| panel_idx = i; |
| break; |
| } |
| } |
| } |
| if ((panel_idx < 0) || (panel_idx >= num_panels)) |
| print_warn("Panel %s not supported!", this_opt); |
| else |
| panel_index = panel_idx; |
| |
| } else if (strncmp(this_opt, "nohwcursor", 10) == 0) |
| nohwcursor = 1; |
| else if (strncmp(this_opt, "devices:", 8) == 0) { |
| this_opt += 8; |
| device_count = simple_strtol(this_opt, &endptr, 0); |
| if ((device_count < 0) || |
| (device_count > MAX_DEVICE_COUNT)) |
| device_count = MAX_DEVICE_COUNT; |
| } else if (strncmp(this_opt, "wincfg:", 7) == 0) { |
| this_opt += 7; |
| window_index = simple_strtol(this_opt, &endptr, 0); |
| if ((window_index < 0) || |
| (window_index >= ARRAY_SIZE(windows))) |
| window_index = DEFAULT_WINDOW_INDEX; |
| } else if (strncmp(this_opt, "off", 3) == 0) |
| return 1; |
| else |
| print_warn("Unsupported option \"%s\"", this_opt); |
| } |
| |
| out: |
| return 0; |
| } |
| |
| /* AU1200 LCD controller device driver */ |
| static int au1200fb_drv_probe(struct platform_device *dev) |
| { |
| struct au1200fb_device *fbdev; |
| struct au1200fb_platdata *pd; |
| struct fb_info *fbi = NULL; |
| unsigned long page; |
| int bpp, plane, ret, irq; |
| |
| print_info("" DRIVER_DESC ""); |
| |
| pd = dev->dev.platform_data; |
| if (!pd) |
| return -ENODEV; |
| |
| /* Setup driver with options */ |
| if (au1200fb_setup(pd)) |
| return -ENODEV; |
| |
| /* Point to the panel selected */ |
| panel = &known_lcd_panels[panel_index]; |
| win = &windows[window_index]; |
| |
| printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name); |
| printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name); |
| |
| /* shut gcc up */ |
| ret = 0; |
| fbdev = NULL; |
| |
| for (plane = 0; plane < device_count; ++plane) { |
| bpp = winbpp(win->w[plane].mode_winctrl1); |
| if (win->w[plane].xres == 0) |
| win->w[plane].xres = panel->Xres; |
| if (win->w[plane].yres == 0) |
| win->w[plane].yres = panel->Yres; |
| |
| fbi = framebuffer_alloc(sizeof(struct au1200fb_device), |
| &dev->dev); |
| if (!fbi) |
| goto failed; |
| |
| _au1200fb_infos[plane] = fbi; |
| fbdev = fbi->par; |
| fbdev->fb_info = fbi; |
| fbdev->pd = pd; |
| |
| fbdev->plane = plane; |
| |
| /* Allocate the framebuffer to the maximum screen size */ |
| fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8; |
| |
| fbdev->fb_mem = dmam_alloc_noncoherent(&dev->dev, |
| PAGE_ALIGN(fbdev->fb_len), |
| &fbdev->fb_phys, GFP_KERNEL); |
| if (!fbdev->fb_mem) { |
| print_err("fail to allocate frambuffer (size: %dK))", |
| fbdev->fb_len / 1024); |
| return -ENOMEM; |
| } |
| |
| /* |
| * Set page reserved so that mmap will work. This is necessary |
| * since we'll be remapping normal memory. |
| */ |
| for (page = (unsigned long)fbdev->fb_phys; |
| page < PAGE_ALIGN((unsigned long)fbdev->fb_phys + |
| fbdev->fb_len); |
| page += PAGE_SIZE) { |
| SetPageReserved(pfn_to_page(page >> PAGE_SHIFT)); /* LCD DMA is NOT coherent on Au1200 */ |
| } |
| print_dbg("Framebuffer memory map at %p", fbdev->fb_mem); |
| print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024); |
| |
| /* Init FB data */ |
| if ((ret = au1200fb_init_fbinfo(fbdev)) < 0) |
| goto failed; |
| |
| /* Register new framebuffer */ |
| ret = register_framebuffer(fbi); |
| if (ret < 0) { |
| print_err("cannot register new framebuffer"); |
| goto failed; |
| } |
| |
| au1200fb_fb_set_par(fbi); |
| |
| #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO) |
| if (plane == 0) |
| if (fb_prepare_logo(fbi, FB_ROTATE_UR)) { |
| /* Start display and show logo on boot */ |
| fb_set_cmap(&fbi->cmap, fbi); |
| fb_show_logo(fbi, FB_ROTATE_UR); |
| } |
| #endif |
| } |
| |
| /* Now hook interrupt too */ |
| irq = platform_get_irq(dev, 0); |
| ret = request_irq(irq, au1200fb_handle_irq, |
| IRQF_SHARED, "lcd", (void *)dev); |
| if (ret) { |
| print_err("fail to request interrupt line %d (err: %d)", |
| irq, ret); |
| goto failed; |
| } |
| |
| platform_set_drvdata(dev, pd); |
| |
| /* Kickstart the panel */ |
| au1200_setpanel(panel, pd); |
| |
| return 0; |
| |
| failed: |
| /* NOTE: This only does the current plane/window that failed; others are still active */ |
| if (fbi) { |
| if (fbi->cmap.len != 0) |
| fb_dealloc_cmap(&fbi->cmap); |
| kfree(fbi->pseudo_palette); |
| } |
| if (plane == 0) |
| free_irq(AU1200_LCD_INT, (void*)dev); |
| return ret; |
| } |
| |
| static int au1200fb_drv_remove(struct platform_device *dev) |
| { |
| struct au1200fb_platdata *pd = platform_get_drvdata(dev); |
| struct au1200fb_device *fbdev; |
| struct fb_info *fbi; |
| int plane; |
| |
| /* Turn off the panel */ |
| au1200_setpanel(NULL, pd); |
| |
| for (plane = 0; plane < device_count; ++plane) { |
| fbi = _au1200fb_infos[plane]; |
| fbdev = fbi->par; |
| |
| /* Clean up all probe data */ |
| unregister_framebuffer(fbi); |
| if (fbi->cmap.len != 0) |
| fb_dealloc_cmap(&fbi->cmap); |
| kfree(fbi->pseudo_palette); |
| |
| framebuffer_release(fbi); |
| _au1200fb_infos[plane] = NULL; |
| } |
| |
| free_irq(platform_get_irq(dev, 0), (void *)dev); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM |
| static int au1200fb_drv_suspend(struct device *dev) |
| { |
| struct au1200fb_platdata *pd = dev_get_drvdata(dev); |
| au1200_setpanel(NULL, pd); |
| |
| lcd->outmask = 0; |
| wmb(); /* drain writebuffer */ |
| |
| return 0; |
| } |
| |
| static int au1200fb_drv_resume(struct device *dev) |
| { |
| struct au1200fb_platdata *pd = dev_get_drvdata(dev); |
| struct fb_info *fbi; |
| int i; |
| |
| /* Kickstart the panel */ |
| au1200_setpanel(panel, pd); |
| |
| for (i = 0; i < device_count; i++) { |
| fbi = _au1200fb_infos[i]; |
| au1200fb_fb_set_par(fbi); |
| } |
| |
| return 0; |
| } |
| |
| static const struct dev_pm_ops au1200fb_pmops = { |
| .suspend = au1200fb_drv_suspend, |
| .resume = au1200fb_drv_resume, |
| .freeze = au1200fb_drv_suspend, |
| .thaw = au1200fb_drv_resume, |
| }; |
| |
| #define AU1200FB_PMOPS (&au1200fb_pmops) |
| |
| #else |
| #define AU1200FB_PMOPS NULL |
| #endif /* CONFIG_PM */ |
| |
| static struct platform_driver au1200fb_driver = { |
| .driver = { |
| .name = "au1200-lcd", |
| .owner = THIS_MODULE, |
| .pm = AU1200FB_PMOPS, |
| }, |
| .probe = au1200fb_drv_probe, |
| .remove = au1200fb_drv_remove, |
| }; |
| module_platform_driver(au1200fb_driver); |
| |
| MODULE_DESCRIPTION(DRIVER_DESC); |
| MODULE_LICENSE("GPL"); |