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Commit f31521dd authored by James Simmons's avatar James Simmons
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[FBDEV] EDID support from OpenFirmware on PPC platoforms and from the BIOS on intel platforms.

parent 32f5ad40
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Showing with 1089 additions and 180 deletions
arch/i386/boot/compressed/misc.c
View file @ f31521dd
......@@ -12,6 +12,7 @@
#include <linux/linkage.h>
#include <linux/vmalloc.h>
#include <linux/tty.h>
#include <video/edid.h>
#include <asm/io.h>
/*
......@@ -91,6 +92,7 @@ static unsigned char *real_mode; /* Pointer to real-mode data */
#define ALT_MEM_K (*(unsigned long *)(real_mode + 0x1e0))
#endif
#define SCREEN_INFO (*(struct screen_info *)(real_mode+0))
#define EDID_INFO (*(struct edid_info *)(real_mode+0x440))
extern char input_data[];
extern int input_len;
......
arch/i386/boot/video.S
View file @ f31521dd
......@@ -135,6 +135,7 @@ vid1:
#endif /* CONFIG_VIDEO_RETAIN */
#endif /* CONFIG_VIDEO_SELECT */
call mode_params # Store mode parameters
call store_edid
popw %ds # Restore original DS
ret
......@@ -1887,6 +1888,39 @@ skip10: movb %ah, %al
popw %ax
ret
store_edid:
pushw %es # just save all registers
pushw %ax
pushw %bx
pushw %cx
pushw %dx
pushw %di
pushw %fs
popw %es
movl $0x13131313, %eax # memset block with 0x13
movw $32, %cx
movw $0x440, %di
cld
rep
stosl
movw $0x4f15, %ax # do VBE/DDC
movw $0x01, %bx
movw $0x00, %cx
movw $0x01, %dx
movw $0x440, %di
int $0x10
popw %di # restore all registers
popw %dx
popw %cx
popw %bx
popw %ax
popw %es
ret
# VIDEO_SELECT-only variables
mt_end: .word 0 # End of video mode table if built
edit_buf: .space 6 # Line editor buffer
......
arch/i386/kernel/setup.c
View file @ f31521dd
......@@ -37,6 +37,7 @@
#include <linux/console.h>
#include <linux/root_dev.h>
#include <linux/highmem.h>
#include <video/edid.h>
#include <asm/e820.h>
#include <asm/mpspec.h>
#include <asm/edd.h>
......@@ -85,7 +86,7 @@ struct sys_desc_table_struct {
unsigned short length;
unsigned char table[0];
};
struct edid_info edid_info;
struct e820map e820;
unsigned char aux_device_present;
......@@ -883,6 +884,7 @@ void __init setup_arch(char **cmdline_p)
ROOT_DEV = ORIG_ROOT_DEV;
drive_info = DRIVE_INFO;
screen_info = SCREEN_INFO;
edid_info = EDID_INFO;
apm_info.bios = APM_BIOS_INFO;
saved_videomode = VIDEO_MODE;
printk("Video mode to be used for restore is %lx\n", saved_videomode);
......
drivers/video/edid.h 0 → 100644
View file @ f31521dd
/*
* drivers/video/edid.h - EDID/DDC Header
*
* Based on:
* 1. XFree86 4.3.0, edid.h
* Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
*
* 2. John Fremlin <vii@users.sourceforge.net> and
* Ani Joshi <ajoshi@unixbox.com>
*
* DDC is a Trademark of VESA (Video Electronics Standard Association).
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
#ifndef __EDID_H__
#define __EDID_H__
#define EDID_LENGTH 0x80
#define EDID_HEADER 0x00
#define EDID_HEADER_END 0x07
#define ID_MANUFACTURER_NAME 0x08
#define ID_MANUFACTURER_NAME_END 0x09
#define ID_MODEL 0x0a
#define ID_SERIAL_NUMBER 0x0c
#define MANUFACTURE_WEEK 0x10
#define MANUFACTURE_YEAR 0x11
#define EDID_STRUCT_VERSION 0x12
#define EDID_STRUCT_REVISION 0x13
#define EDID_STRUCT_DISPLAY 0x14
#define DPMS_FLAGS 0x18
#define ESTABLISHED_TIMING_1 0x23
#define ESTABLISHED_TIMING_2 0x24
#define MANUFACTURERS_TIMINGS 0x25
/* standard timings supported */
#define STD_TIMING 8
#define STD_TIMING_DESCRIPTION_SIZE 2
#define STD_TIMING_DESCRIPTIONS_START 0x26
#define DETAILED_TIMING_DESCRIPTIONS_START 0x36
#define DETAILED_TIMING_DESCRIPTION_SIZE 18
#define NO_DETAILED_TIMING_DESCRIPTIONS 4
#define DETAILED_TIMING_DESCRIPTION_1 0x36
#define DETAILED_TIMING_DESCRIPTION_2 0x48
#define DETAILED_TIMING_DESCRIPTION_3 0x5a
#define DETAILED_TIMING_DESCRIPTION_4 0x6c
#define DESCRIPTOR_DATA 5
#define UPPER_NIBBLE( x ) \
(((128|64|32|16) & (x)) >> 4)
#define LOWER_NIBBLE( x ) \
((1|2|4|8) & (x))
#define COMBINE_HI_8LO( hi, lo ) \
( (((unsigned)hi) << 8) | (unsigned)lo )
#define COMBINE_HI_4LO( hi, lo ) \
( (((unsigned)hi) << 4) | (unsigned)lo )
#define PIXEL_CLOCK_LO (unsigned)block[ 0 ]
#define PIXEL_CLOCK_HI (unsigned)block[ 1 ]
#define PIXEL_CLOCK (COMBINE_HI_8LO( PIXEL_CLOCK_HI,PIXEL_CLOCK_LO )*10000)
#define H_ACTIVE_LO (unsigned)block[ 2 ]
#define H_BLANKING_LO (unsigned)block[ 3 ]
#define H_ACTIVE_HI UPPER_NIBBLE( (unsigned)block[ 4 ] )
#define H_ACTIVE COMBINE_HI_8LO( H_ACTIVE_HI, H_ACTIVE_LO )
#define H_BLANKING_HI LOWER_NIBBLE( (unsigned)block[ 4 ] )
#define H_BLANKING COMBINE_HI_8LO( H_BLANKING_HI, H_BLANKING_LO )
#define V_ACTIVE_LO (unsigned)block[ 5 ]
#define V_BLANKING_LO (unsigned)block[ 6 ]
#define V_ACTIVE_HI UPPER_NIBBLE( (unsigned)block[ 7 ] )
#define V_ACTIVE COMBINE_HI_8LO( V_ACTIVE_HI, V_ACTIVE_LO )
#define V_BLANKING_HI LOWER_NIBBLE( (unsigned)block[ 7 ] )
#define V_BLANKING COMBINE_HI_8LO( V_BLANKING_HI, V_BLANKING_LO )
#define H_SYNC_OFFSET_LO (unsigned)block[ 8 ]
#define H_SYNC_WIDTH_LO (unsigned)block[ 9 ]
#define V_SYNC_OFFSET_LO UPPER_NIBBLE( (unsigned)block[ 10 ] )
#define V_SYNC_WIDTH_LO LOWER_NIBBLE( (unsigned)block[ 10 ] )
#define V_SYNC_WIDTH_HI ((unsigned)block[ 11 ] & (1|2))
#define V_SYNC_OFFSET_HI (((unsigned)block[ 11 ] & (4|8)) >> 2)
#define H_SYNC_WIDTH_HI (((unsigned)block[ 11 ] & (16|32)) >> 4)
#define H_SYNC_OFFSET_HI (((unsigned)block[ 11 ] & (64|128)) >> 6)
#define V_SYNC_WIDTH COMBINE_HI_4LO( V_SYNC_WIDTH_HI, V_SYNC_WIDTH_LO )
#define V_SYNC_OFFSET COMBINE_HI_4LO( V_SYNC_OFFSET_HI, V_SYNC_OFFSET_LO )
#define H_SYNC_WIDTH COMBINE_HI_4LO( H_SYNC_WIDTH_HI, H_SYNC_WIDTH_LO )
#define H_SYNC_OFFSET COMBINE_HI_4LO( H_SYNC_OFFSET_HI, H_SYNC_OFFSET_LO )
#define H_SIZE_LO (unsigned)block[ 12 ]
#define V_SIZE_LO (unsigned)block[ 13 ]
#define H_SIZE_HI UPPER_NIBBLE( (unsigned)block[ 14 ] )
#define V_SIZE_HI LOWER_NIBBLE( (unsigned)block[ 14 ] )
#define H_SIZE COMBINE_HI_8LO( H_SIZE_HI, H_SIZE_LO )
#define V_SIZE COMBINE_HI_8LO( V_SIZE_HI, V_SIZE_LO )
#define H_BORDER (unsigned)block[ 15 ]
#define V_BORDER (unsigned)block[ 16 ]
#define FLAGS (unsigned)block[ 17 ]
#define INTERLACED (FLAGS&128)
#define SYNC_TYPE (FLAGS&3<<3) /* bits 4,3 */
#define SYNC_SEPARATE (3<<3)
#define HSYNC_POSITIVE (FLAGS & 4)
#define VSYNC_POSITIVE (FLAGS & 2)
#define V_MIN_RATE block[ 5 ]
#define V_MAX_RATE block[ 6 ]
#define H_MIN_RATE block[ 7 ]
#define H_MAX_RATE block[ 8 ]
#define MAX_PIXEL_CLOCK (((int)block[ 9 ]) * 10)
#define GTF_SUPPORT block[10]
#define DPMS_ACTIVE_OFF (1 << 5)
#define DPMS_SUSPEND (1 << 6)
#define DPMS_STANDBY (1 << 7)
#endif /* __EDID_H__ */
drivers/video/fbmon.c
View file @ f31521dd
This diff is collapsed.
drivers/video/modedb.c
View file @ f31521dd
......@@ -251,6 +251,110 @@ static const struct fb_videomode modedb[] __initdata = {
},
};
const struct fb_videomode vesa_modes[] = {
/* 0 640x350-85 VESA */
{ NULL, 85, 640, 350, 31746, 96, 32, 60, 32, 64, 3,
FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 1 640x400-85 VESA */
{ NULL, 85, 640, 400, 31746, 96, 32, 41, 01, 64, 3,
FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 2 720x400-85 VESA */
{ NULL, 85, 721, 400, 28169, 108, 36, 42, 01, 72, 3,
FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 3 640x480-60 VESA */
{ NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2,
0, FB_VMODE_NONINTERLACED },
/* 4 640x480-72 VESA */
{ NULL, 72, 640, 480, 31746, 128, 24, 29, 9, 40, 2,
0, FB_VMODE_NONINTERLACED },
/* 5 640x480-75 VESA */
{ NULL, 75, 640, 480, 31746, 120, 16, 16, 01, 64, 3,
0, FB_VMODE_NONINTERLACED },
/* 6 640x480-85 VESA */
{ NULL, 85, 640, 480, 27777, 80, 56, 25, 01, 56, 3,
0, FB_VMODE_NONINTERLACED },
/* 7 800x600-56 VESA */
{ NULL, 56, 800, 600, 27777, 128, 24, 22, 01, 72, 2,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 8 800x600-60 VESA */
{ NULL, 60, 800, 600, 25000, 88, 40, 23, 01, 128, 4,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 9 800x600-72 VESA */
{ NULL, 72, 800, 600, 20000, 64, 56, 23, 37, 120, 6,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 10 800x600-75 VESA */
{ NULL, 75, 800, 600, 20202, 160, 16, 21, 01, 80, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 11 800x600-85 VESA */
{ NULL, 85, 800, 600, 17761, 152, 32, 27, 01, 64, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 12 1024x768i-43 VESA */
{ NULL, 53, 1024, 768, 22271, 56, 8, 41, 0, 176, 8,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_INTERLACED },
/* 13 1024x768-60 VESA */
{ NULL, 60, 1024, 768, 15384, 160, 24, 29, 3, 136, 6,
0, FB_VMODE_NONINTERLACED },
/* 14 1024x768-70 VESA */
{ NULL, 70, 1024, 768, 13333, 144, 24, 29, 3, 136, 6,
0, FB_VMODE_NONINTERLACED },
/* 15 1024x768-75 VESA */
{ NULL, 75, 1024, 768, 12690, 176, 16, 28, 1, 96, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 16 1024x768-85 VESA */
{ NULL, 85, 1024, 768, 10582, 208, 48, 36, 1, 96, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 17 1152x864-75 VESA */
{ NULL, 75, 1153, 864, 9259, 256, 64, 32, 1, 128, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 18 1280x960-60 VESA */
{ NULL, 60, 1280, 960, 9259, 312, 96, 36, 1, 112, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 19 1280x960-85 VESA */
{ NULL, 85, 1280, 960, 6734, 224, 64, 47, 1, 160, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 20 1280x1024-60 VESA */
{ NULL, 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 21 1280x1024-75 VESA */
{ NULL, 75, 1280, 1024, 7407, 248, 16, 38, 1, 144, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 22 1280x1024-85 VESA */
{ NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 23 1600x1200-60 VESA */
{ NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 24 1600x1200-65 VESA */
{ NULL, 65, 1600, 1200, 5698, 304, 64, 46, 1, 192, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 25 1600x1200-70 VESA */
{ NULL, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 26 1600x1200-75 VESA */
{ NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 27 1600x1200-85 VESA */
{ NULL, 85, 1600, 1200, 4357, 304, 64, 46, 1, 192, 3,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 28 1792x1344-60 VESA */
{ NULL, 60, 1792, 1344, 4882, 328, 128, 46, 1, 200, 3,
FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 29 1792x1344-75 VESA */
{ NULL, 75, 1792, 1344, 3831, 352, 96, 69, 1, 216, 3,
FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 30 1856x1392-60 VESA */
{ NULL, 60, 1856, 1392, 4580, 352, 96, 43, 1, 224, 3,
FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 31 1856x1392-75 VESA */
{ NULL, 75, 1856, 1392, 3472, 352, 128, 104, 1, 224, 3,
FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 32 1920x1440-60 VESA */
{ NULL, 60, 1920, 1440, 4273, 344, 128, 56, 1, 200, 3,
FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
/* 33 1920x1440-75 VESA */
{ NULL, 60, 1920, 1440, 3367, 352, 144, 56, 1, 224, 3,
FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
};
static int __init my_atoi(const char *name)
{
......@@ -432,3 +536,4 @@ int __init fb_find_mode(struct fb_var_screeninfo *var,
}
EXPORT_SYMBOL(__fb_try_mode);
EXPORT_SYMBOL(vesa_modes);
drivers/video/vesafb.c
View file @ f31521dd
......@@ -19,7 +19,9 @@
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/init.h>
#ifdef __i386__
#include <video/edid.h>
#endif
#include <asm/io.h>
#include <asm/mtrr.h>
......@@ -213,6 +215,7 @@ int __init vesafb_setup(char *options)
int __init vesafb_init(void)
{
int video_cmap_len;
char *edid = 0;
int i;
if (screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB)
......@@ -297,10 +300,18 @@ int __init vesafb_init(void)
ypan = 0;
}
#ifdef __i386__
edid = get_EDID_from_BIOS(0);
if (edid)
parse_edid(edid, &vesafb_defined);
else
#endif
{
/* some dummy values for timing to make fbset happy */
vesafb_defined.pixclock = 10000000 / vesafb_defined.xres * 1000 / vesafb_defined.yres;
vesafb_defined.left_margin = (vesafb_defined.xres / 8) & 0xf8;
vesafb_defined.hsync_len = (vesafb_defined.xres / 8) & 0xf8;
}
if (vesafb_defined.bits_per_pixel > 8) {
vesafb_defined.red.offset = screen_info.red_pos;
......
include/asm-i386/setup.h
View file @ f31521dd
......@@ -37,6 +37,7 @@
#define KERNEL_START (*(unsigned long *) (PARAM+0x214))
#define INITRD_START (*(unsigned long *) (PARAM+0x218))
#define INITRD_SIZE (*(unsigned long *) (PARAM+0x21c))
#define EDID_INFO (*(struct edid_info *) (PARAM+0x440))
#define EDD_NR (*(unsigned char *) (PARAM+EDDNR))
#define EDD_BUF ((struct edd_info *) (PARAM+EDDBUF))
#define COMMAND_LINE ((char *) (PARAM+2048))
......
include/linux/fb.h
View file @ f31521dd
......@@ -504,6 +504,15 @@ extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
struct fb_info *info);
extern int fb_validate_mode(struct fb_var_screeninfo *var,
struct fb_info *info);
extern int parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
extern int fb_get_monitor_limits(unsigned char *edid, struct fb_monspecs *specs);
extern struct fb_videomode *fb_create_modedb(unsigned char *edid, int *dbsize);
extern void fb_destroy_modedb(struct fb_videomode *modedb);
extern void show_edid(unsigned char *edid);
/* drivers/video/modedb.c */
#define VESA_MODEDB_SIZE 34
extern const struct fb_videomode vesa_modes[];
/* drivers/video/fbcmap.c */
extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
......
include/video/edid.h 0 → 100644
View file @ f31521dd
#ifndef __linux_video_edid_h__
#define __linux_video_edid_h__
#ifdef __KERNEL__
#include <linux/config.h>
#ifdef CONFIG_ALL_PPC
#include <linux/pci.h>
#endif
#ifdef CONFIG_X86
struct edid_info {
unsigned char dummy[128];
};
extern struct edid_info edid_info;
extern char *get_EDID_from_BIOS(void *);
#endif /* CONFIG_X86 */
#ifdef CONFIG_ALL_PPC
extern char *get_EDID_from_OF(struct pci_dev *pdev);
#endif
#endif /* __KERNEL__ */
#endif /* __linux_video_edid_h__ */
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