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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /drivers/video/fbdev/edid.h | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'drivers/video/fbdev/edid.h')
| -rw-r--r-- | drivers/video/fbdev/edid.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/drivers/video/fbdev/edid.h b/drivers/video/fbdev/edid.h new file mode 100644 index 000000000..d03a232d9 --- /dev/null +++ b/drivers/video/fbdev/edid.h @@ -0,0 +1,138 @@ +/* + * 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_8LO( H_SYNC_WIDTH_HI, H_SYNC_WIDTH_LO ) +#define H_SYNC_OFFSET COMBINE_HI_8LO( 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__ */ |
