diff options
Diffstat (limited to 'xorg-server/hw/xfree86/modes/xf86DisplayIDModes.c')
| -rw-r--r-- | xorg-server/hw/xfree86/modes/xf86DisplayIDModes.c | 889 |
1 files changed, 452 insertions, 437 deletions
diff --git a/xorg-server/hw/xfree86/modes/xf86DisplayIDModes.c b/xorg-server/hw/xfree86/modes/xf86DisplayIDModes.c index d507e3b14..781c806bc 100644 --- a/xorg-server/hw/xfree86/modes/xf86DisplayIDModes.c +++ b/xorg-server/hw/xfree86/modes/xf86DisplayIDModes.c @@ -1,437 +1,452 @@ -/*
- * Copyright 2009 Red Hat, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software")
- * to deal in the software without restriction, including without limitation
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, and/or sell copies of the Software, and to permit persons to whom
- * them Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTIBILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT, OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Adam Jackson <ajax@redhat.com>
- */
-
-#include "xorg-config.h"
-#include "xf86.h"
-#include "xf86str.h"
-#include "edid.h"
-#include "xf86DDC.h"
-
-typedef void (*did_proc)(int scrnIndex, unsigned char *data, void *closure);
-
-#define DID_PRODUCT_ID 0x00
-#define DID_DISPLAY_PARAMETERS 0x01
-#define DID_COLOR_INFO 0x02
-#define DID_TIMING_1_DETAILED 0x03
-#define DID_TIMING_2_DETAILED 0x04
-#define DID_TIMING_3_SHORT 0x05
-#define DID_TIMING_4_DMT 0x06
-#define DID_TIMING_VESA 0x07
-#define DID_TIMING_CEA 0x08
-#define DID_TIMING_RANGE_LIMITS 0x09
-#define DID_PRODUCT_SERIAL 0x0A
-#define DID_ASCII_STRING 0x0B
-#define DID_DISPLAY_DEVICE 0x0C
-#define DID_POWER_SEQUENCING 0x0D
-#define DID_TRANSFER_INFO 0x0E
-#define DID_DISPLAY_INTERFACE 0x0F
-#define DID_STEREO 0x10
-#define DID_VENDOR 0x7F
-
-#define extract_le16(x, i) ((x[i+1] << 8) + (x[i]))
-#define extract_le24(x, i) ((x[i+2] << 16) + (x[i+1] << 8) + (x[i]))
-
-static DisplayModePtr
-modeCalloc(void)
-{
- return calloc(1, sizeof(DisplayModeRec));
-}
-
-/*
- * How awesome is it to have two detailed timing formats, neither of which
- * are compatible with the format in EDID? So awesome.
- */
-
-static void
-didDetailedTiming1(int i, unsigned char *x, MonPtr mon)
-{
- DisplayModePtr m = modeCalloc();
-
- if (!m)
- return;
-
- m->Clock = extract_le24(x, 0);
-
- m->HDisplay = extract_le16(x, 4);
- m->HSyncStart = m->HDisplay + (extract_le16(x, 8) & 0x7f);
- m->HSyncEnd = m->HSyncStart + extract_le16(x, 10);
- m->HTotal = m->HDisplay + extract_le16(x, 6);
- m->Flags |= (x[9] & 0x80) ? V_PHSYNC : V_NHSYNC;
-
- m->VDisplay = extract_le16(x, 12);
- m->VSyncStart = m->VDisplay + (extract_le16(x, 16) & 0x7f);
- m->VSyncEnd = m->VSyncStart + extract_le16(x, 18);
- m->VTotal = m->VDisplay + extract_le16(x, 14);
- m->Flags |= (x[17] & 0x80) ? V_PVSYNC : V_NVSYNC;
-
- m->type = M_T_DRIVER;
- if (x[3] & 0x80)
- m->type |= M_T_PREFERRED;
-
- /* XXX double check handling of this */
- if (x[3] & 0x10)
- m->Flags |= V_INTERLACE;
-
- mon->Modes = xf86ModesAdd(mon->Modes, m);
-}
-
-/* XXX no sync bits. what to do? */
-static void
-didDetailedTiming2(int i, unsigned char *x, MonPtr mon)
-{
- DisplayModePtr mode = modeCalloc();
-
- if (!mode)
- return;
-
- mode->Clock = extract_le24(x, 0);
-
- /* horiz sizes are in character cells, not pixels, hence * 8 */
- mode->HDisplay = ((extract_le16(x, 4) & 0x01ff) + 1) * 8;
- mode->HSyncStart = mode->HDisplay + (((x[6] & 0xf0) >> 4) + 1) * 8;
- mode->HSyncEnd = mode->HSyncStart + ((x[6] & 0x0f) + 1) * 8;
- mode->HTotal = mode->HDisplay + ((x[5] >> 1) + 1) * 8;
-
- mode->VDisplay = extract_le16(x, 7) & 0x07ff;
- mode->VSyncStart = mode->VDisplay + (x[10] >> 4) + 1;
- mode->VSyncEnd = mode->VSyncStart + (x[10] & 0x0f) + 1;
- mode->VTotal = mode->VDisplay + x[9];
-
- mode->status = M_T_DRIVER;
- if (x[3] & 0x80)
- mode->status |= M_T_PREFERRED;
-
- /* XXX double check handling of this */
- if (x[3] & 0x10)
- mode->Flags |= V_INTERLACE;
-
- mon->Modes = xf86ModesAdd(mon->Modes, mode);
-}
-
-static void
-didShortTiming(int i, unsigned char *x, MonPtr mon)
-{
- DisplayModePtr m;
- int w, h, r;
-
- w = (x[1] + 1) * 8;
- switch (x[0] & 0x0f) {
- case 0:
- h = w;
- break;
- case 1:
- h = (w * 4) / 5;
- break;
- case 2:
- h = (w * 3) / 4;
- break;
- case 3:
- h = (w * 9) / 15;
- break;
- case 4:
- h = (w * 9) / 16;
- break;
- case 5:
- h = (w * 10) / 16;
- break;
- default:
- return;
- }
- r = (x[2] & 0x7f) + 1;
-
- m = xf86CVTMode(w, h, r, !!(x[0] & 0x10), !!(x[2] & 0x80));
-
- m->type = M_T_DRIVER;
- if (x[0] & 0x80)
- m->type |= M_T_PREFERRED;
-
- mon->Modes = xf86ModesAdd(mon->Modes, m);
-}
-
-static void
-didDMTTiming(int i, unsigned char *x, void *closure)
-{
- MonPtr mon = closure;
-
- mon->Modes = xf86ModesAdd(mon->Modes,
- xf86DuplicateMode(DMTModes + *x));
-}
-
-#define RB 1
-#define INT 2
-static const struct did_dmt {
- short w, h, r, f;
-} did_dmt[] = {
- /* byte 3 */
- { 640, 350, 85, 0 },
- { 640, 400, 85, 0 },
- { 720, 400, 85, 0 },
- { 640, 480, 60, 0 },
- { 640, 480, 72, 0 },
- { 640, 480, 75, 0 },
- { 640, 480, 85, 0 },
- { 800, 600, 56, 0 },
- /* byte 4 */
- { 800, 600, 60, 0 },
- { 800, 600, 72, 0 },
- { 800, 600, 75, 0 },
- { 800, 600, 85, 0 },
- { 800, 600, 120, RB },
- { 848, 480, 60, 0 },
- { 1024, 768, 43, INT },
- { 1024, 768, 60, 0 },
- /* byte 5 */
- { 1024, 768, 70, 0 },
- { 1024, 768, 75, 0 },
- { 1024, 768, 85, 0 },
- { 1024, 768, 120, RB },
- { 1152, 864, 75, 0 },
- { 1280, 768, 60, RB },
- { 1280, 768, 60, 0 },
- { 1280, 768, 75, 0 },
- /* byte 6 */
- { 1280, 768, 85, 0 },
- { 1280, 768, 120, RB },
- { 1280, 800, 60, RB },
- { 1280, 800, 60, 0 },
- { 1280, 800, 75, 0 },
- { 1280, 800, 85, 0 },
- { 1280, 800, 120, RB },
- { 1280, 960, 60, 0 },
- /* byte 7 */
- { 1280, 960, 85, 0 },
- { 1280, 960, 120, RB },
- { 1280, 1024, 60, 0 },
- { 1280, 1024, 75, 0 },
- { 1280, 1024, 85, 0 },
- { 1280, 1024, 120, RB },
- { 1360, 768, 60, 0 },
- { 1360, 768, 120, RB },
- /* byte 8 */
- { 1400, 1050, 60, RB },
- { 1400, 1050, 60, 0 },
- { 1400, 1050, 75, 0 },
- { 1400, 1050, 85, 0 },
- { 1400, 1050, 120, RB },
- { 1440, 900, 60, RB },
- { 1440, 900, 60, 0 },
- { 1440, 900, 75, 0 },
- /* byte 9 */
- { 1440, 900, 85, 0 },
- { 1440, 900, 120, RB },
- { 1600, 1200, 60, 0 },
- { 1600, 1200, 65, 0 },
- { 1600, 1200, 70, 0 },
- { 1600, 1200, 75, 0 },
- { 1600, 1200, 85, 0 },
- { 1600, 1200, 120, RB },
- /* byte a */
- { 1680, 1050, 60, RB },
- { 1680, 1050, 60, 0 },
- { 1680, 1050, 75, 0 },
- { 1680, 1050, 85, 0 },
- { 1680, 1050, 120, RB },
- { 1792, 1344, 60, 0 },
- { 1792, 1344, 75, 0 },
- { 1792, 1344, 120, RB },
- /* byte b */
- { 1856, 1392, 60, 0 },
- { 1856, 1392, 75, 0 },
- { 1856, 1392, 120, RB },
- { 1920, 1200, 60, RB },
- { 1920, 1200, 60, 0 },
- { 1920, 1200, 75, 0 },
- { 1920, 1200, 85, 0 },
- { 1920, 1200, 120, RB },
- /* byte c */
- { 1920, 1440, 60, 0 },
- { 1920, 1440, 75, 0 },
- { 1920, 1440, 120, RB },
- { 2560, 1600, 60, RB },
- { 2560, 1600, 60, 0 },
- { 2560, 1600, 75, 0 },
- { 2560, 1600, 85, 0 },
- { 2560, 1600, 120, RB },
-};
-
-static void
-didVesaTiming(int scrn, unsigned char *x, MonPtr mon)
-{
- int i, j;
-
- x += 3;
-
- for (i = 0; i < 10; i++)
- for (j = 0; j < 8; j++)
- if (x[i] & (1 << j)) {
- const struct did_dmt *d = &(did_dmt[i * 8 + j]);
- if (d->f == INT)
- continue;
- mon->Modes = xf86ModesAdd(mon->Modes,
- FindDMTMode(d->w, d->h, d->r,
- d->f == RB));
- }
-
-}
-
-static void
-handleDisplayIDBlock(int scrnIndex, unsigned char *x, void *closure)
-{
- MonPtr mon = closure;
-
- switch (x[0]) {
- case DID_DISPLAY_PARAMETERS:
- /* w/h are in decimillimeters */
- mon->widthmm = (extract_le16(x, 3) + 5) / 10;
- mon->heightmm = (extract_le16(x, 5) + 5) / 10;
- /* XXX pixel count, feature flags, gamma, aspect, color depth */
- break;
-
- case DID_TIMING_RANGE_LIMITS:
- {
- int n;
-
- mon->maxPixClock = max(mon->maxPixClock, extract_le24(x, 6) * 10);
-
- n = mon->nHsync++;
- if (n < MAX_HSYNC) {
- mon->hsync[n].lo = x[9];
- mon->hsync[n].hi = x[10];
- } else {
- n = MAX_HSYNC;
- }
- n = mon->nVrefresh++;
- if (n < MAX_VREFRESH) {
- mon->vrefresh[n].lo = x[13];
- mon->vrefresh[n].hi = x[14];
- } else {
- n = MAX_VREFRESH;
- }
- break;
- }
-
- case DID_TIMING_1_DETAILED:
- {
- int i;
- for (i = 0; i < x[2]; i += 20)
- didDetailedTiming1(scrnIndex, x + i + 3, mon);
- break;
- }
-
- case DID_TIMING_2_DETAILED:
- {
- int i;
- for (i = 0; i < x[2]; i += 11)
- didDetailedTiming2(scrnIndex, x + i + 3, mon);
- break;
- }
-
- case DID_TIMING_3_SHORT:
- {
- int i;
- for (i = 0; i < x[2]; i += 3)
- didShortTiming(scrnIndex, x + i + 3, mon);
- break;
- }
-
- case DID_TIMING_4_DMT:
- {
- int i;
- for (i = 0; i < x[2]; i++)
- didDMTTiming(scrnIndex, x + i + 3, mon);
- break;
- }
-
- case DID_TIMING_VESA:
- didVesaTiming(scrnIndex, x, mon);
- break;
-
- /* XXX pixel format, ar, orientation, subpixel, dot pitch, bit depth */
- case DID_DISPLAY_DEVICE:
-
- /* XXX interface, links, color encoding, ss, drm */
- case DID_DISPLAY_INTERFACE:
-
- /* XXX stereo */
- case DID_STEREO:
-
- /* nothing interesting in these */
- case DID_COLOR_INFO:
- case DID_PRODUCT_SERIAL:
- case DID_ASCII_STRING:
- case DID_POWER_SEQUENCING:
- case DID_TRANSFER_INFO:
- case DID_VENDOR:
- break;
-
- /* warn about anything else */
- default:
- xf86DrvMsg(scrnIndex, X_WARNING,
- "Unknown DisplayID block type %hx\n", x[0]);
- break;
- }
-}
-
-static void
-forEachDisplayIDBlock(int scrnIndex, unsigned char *did, did_proc proc,
- void *closure)
-{
- int num_extensions = did[3];
- int section_size = did[1];
- unsigned char *block;
-
- do {
- if ((did[0] & 0xf0) != 0x10) /* not 1.x, abort */
- return;
- /* XXX also, checksum */
-
- block = did + 4;
-
- while (section_size > 0) {
- int block_size = (block[2] + 2);
-
- proc(scrnIndex, block, closure);
-
- section_size -= block_size;
- block += block_size;
- }
-
- did += (did[1] + 5);
- } while (num_extensions--);
-}
-
-/*
- * Fill out MonPtr with xf86MonPtr information.
- */
-void
-xf86DisplayIDMonitorSet(int scrnIndex, MonPtr mon, xf86MonPtr DDC)
-{
- if (!mon || !DDC)
- return;
-
- mon->DDC = DDC;
-
- forEachDisplayIDBlock(scrnIndex, DDC->rawData, handleDisplayIDBlock, mon);
-}
+/* + * Copyright 2009 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software") + * to deal in the software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * them Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTIBILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT, OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Adam Jackson <ajax@redhat.com> + */ + +#include "xorg-config.h" +#include "xf86.h" +#include "xf86str.h" +#include "edid.h" +#include "xf86DDC.h" + +typedef void (*did_proc) (int scrnIndex, unsigned char *data, void *closure); + +#define DID_PRODUCT_ID 0x00 +#define DID_DISPLAY_PARAMETERS 0x01 +#define DID_COLOR_INFO 0x02 +#define DID_TIMING_1_DETAILED 0x03 +#define DID_TIMING_2_DETAILED 0x04 +#define DID_TIMING_3_SHORT 0x05 +#define DID_TIMING_4_DMT 0x06 +#define DID_TIMING_VESA 0x07 +#define DID_TIMING_CEA 0x08 +#define DID_TIMING_RANGE_LIMITS 0x09 +#define DID_PRODUCT_SERIAL 0x0A +#define DID_ASCII_STRING 0x0B +#define DID_DISPLAY_DEVICE 0x0C +#define DID_POWER_SEQUENCING 0x0D +#define DID_TRANSFER_INFO 0x0E +#define DID_DISPLAY_INTERFACE 0x0F +#define DID_STEREO 0x10 +#define DID_VENDOR 0x7F + +#define extract_le16(x, i) ((x[i+1] << 8) + (x[i])) +#define extract_le24(x, i) ((x[i+2] << 16) + (x[i+1] << 8) + (x[i])) + +static DisplayModePtr +modeCalloc(void) +{ + return calloc(1, sizeof(DisplayModeRec)); +} + +/* + * How awesome is it to have two detailed timing formats, neither of which + * are compatible with the format in EDID? So awesome. + */ + +static void +didDetailedTiming1(int i, unsigned char *x, MonPtr mon) +{ + DisplayModePtr m = modeCalloc(); + + if (!m) + return; + + m->Clock = extract_le24(x, 0); + + m->HDisplay = extract_le16(x, 4); + m->HSyncStart = m->HDisplay + (extract_le16(x, 8) & 0x7f); + m->HSyncEnd = m->HSyncStart + extract_le16(x, 10); + m->HTotal = m->HDisplay + extract_le16(x, 6); + m->Flags |= (x[9] & 0x80) ? V_PHSYNC : V_NHSYNC; + + m->VDisplay = extract_le16(x, 12); + m->VSyncStart = m->VDisplay + (extract_le16(x, 16) & 0x7f); + m->VSyncEnd = m->VSyncStart + extract_le16(x, 18); + m->VTotal = m->VDisplay + extract_le16(x, 14); + m->Flags |= (x[17] & 0x80) ? V_PVSYNC : V_NVSYNC; + + m->type = M_T_DRIVER; + if (x[3] & 0x80) + m->type |= M_T_PREFERRED; + + /* XXX double check handling of this */ + if (x[3] & 0x10) + m->Flags |= V_INTERLACE; + + mon->Modes = xf86ModesAdd(mon->Modes, m); +} + +/* XXX no sync bits. what to do? */ +static void +didDetailedTiming2(int i, unsigned char *x, MonPtr mon) +{ + DisplayModePtr mode = modeCalloc(); + + if (!mode) + return; + + mode->Clock = extract_le24(x, 0); + + /* horiz sizes are in character cells, not pixels, hence * 8 */ + mode->HDisplay = ((extract_le16(x, 4) & 0x01ff) + 1) * 8; + mode->HSyncStart = mode->HDisplay + (((x[6] & 0xf0) >> 4) + 1) * 8; + mode->HSyncEnd = mode->HSyncStart + ((x[6] & 0x0f) + 1) * 8; + mode->HTotal = mode->HDisplay + ((x[5] >> 1) + 1) * 8; + + mode->VDisplay = extract_le16(x, 7) & 0x07ff; + mode->VSyncStart = mode->VDisplay + (x[10] >> 4) + 1; + mode->VSyncEnd = mode->VSyncStart + (x[10] & 0x0f) + 1; + mode->VTotal = mode->VDisplay + x[9]; + + mode->status = M_T_DRIVER; + if (x[3] & 0x80) + mode->status |= M_T_PREFERRED; + + /* XXX double check handling of this */ + if (x[3] & 0x10) + mode->Flags |= V_INTERLACE; + + mon->Modes = xf86ModesAdd(mon->Modes, mode); +} + +static void +didShortTiming(int i, unsigned char *x, MonPtr mon) +{ + DisplayModePtr m; + int w, h, r; + + w = (x[1] + 1) * 8; + switch (x[0] & 0x0f) { + case 0: + h = w; + break; + case 1: + h = (w * 4) / 5; + break; + case 2: + h = (w * 3) / 4; + break; + case 3: + h = (w * 9) / 15; + break; + case 4: + h = (w * 9) / 16; + break; + case 5: + h = (w * 10) / 16; + break; + default: + return; + } + r = (x[2] & 0x7f) + 1; + + m = xf86CVTMode(w, h, r, ! !(x[0] & 0x10), ! !(x[2] & 0x80)); + + m->type = M_T_DRIVER; + if (x[0] & 0x80) + m->type |= M_T_PREFERRED; + + mon->Modes = xf86ModesAdd(mon->Modes, m); +} + +static void +didDMTTiming(int i, unsigned char *x, void *closure) +{ + MonPtr mon = closure; + + mon->Modes = xf86ModesAdd(mon->Modes, xf86DuplicateMode(DMTModes + *x)); +} + +#define RB 1 +#define INT 2 +static const struct did_dmt { + short w, h, r, f; +} did_dmt[] = { + /* byte 3 */ + { + 640, 350, 85, 0}, { + 640, 400, 85, 0}, { + 720, 400, 85, 0}, { + 640, 480, 60, 0}, { + 640, 480, 72, 0}, { + 640, 480, 75, 0}, { + 640, 480, 85, 0}, { + 800, 600, 56, 0}, + /* byte 4 */ + { + 800, 600, 60, 0}, { + 800, 600, 72, 0}, { + 800, 600, 75, 0}, { + 800, 600, 85, 0}, { + 800, 600, 120, RB}, { + 848, 480, 60, 0}, { + 1024, 768, 43, INT}, { + 1024, 768, 60, 0}, + /* byte 5 */ + { + 1024, 768, 70, 0}, { + 1024, 768, 75, 0}, { + 1024, 768, 85, 0}, { + 1024, 768, 120, RB}, { + 1152, 864, 75, 0}, { + 1280, 768, 60, RB}, { + 1280, 768, 60, 0}, { + 1280, 768, 75, 0}, + /* byte 6 */ + { + 1280, 768, 85, 0}, { + 1280, 768, 120, RB}, { + 1280, 800, 60, RB}, { + 1280, 800, 60, 0}, { + 1280, 800, 75, 0}, { + 1280, 800, 85, 0}, { + 1280, 800, 120, RB}, { + 1280, 960, 60, 0}, + /* byte 7 */ + { + 1280, 960, 85, 0}, { + 1280, 960, 120, RB}, { + 1280, 1024, 60, 0}, { + 1280, 1024, 75, 0}, { + 1280, 1024, 85, 0}, { + 1280, 1024, 120, RB}, { + 1360, 768, 60, 0}, { + 1360, 768, 120, RB}, + /* byte 8 */ + { + 1400, 1050, 60, RB}, { + 1400, 1050, 60, 0}, { + 1400, 1050, 75, 0}, { + 1400, 1050, 85, 0}, { + 1400, 1050, 120, RB}, { + 1440, 900, 60, RB}, { + 1440, 900, 60, 0}, { + 1440, 900, 75, 0}, + /* byte 9 */ + { + 1440, 900, 85, 0}, { + 1440, 900, 120, RB}, { + 1600, 1200, 60, 0}, { + 1600, 1200, 65, 0}, { + 1600, 1200, 70, 0}, { + 1600, 1200, 75, 0}, { + 1600, 1200, 85, 0}, { + 1600, 1200, 120, RB}, + /* byte a */ + { + 1680, 1050, 60, RB}, { + 1680, 1050, 60, 0}, { + 1680, 1050, 75, 0}, { + 1680, 1050, 85, 0}, { + 1680, 1050, 120, RB}, { + 1792, 1344, 60, 0}, { + 1792, 1344, 75, 0}, { + 1792, 1344, 120, RB}, + /* byte b */ + { + 1856, 1392, 60, 0}, { + 1856, 1392, 75, 0}, { + 1856, 1392, 120, RB}, { + 1920, 1200, 60, RB}, { + 1920, 1200, 60, 0}, { + 1920, 1200, 75, 0}, { + 1920, 1200, 85, 0}, { + 1920, 1200, 120, RB}, + /* byte c */ + { + 1920, 1440, 60, 0}, { + 1920, 1440, 75, 0}, { + 1920, 1440, 120, RB}, { + 2560, 1600, 60, RB}, { + 2560, 1600, 60, 0}, { + 2560, 1600, 75, 0}, { + 2560, 1600, 85, 0}, { +2560, 1600, 120, RB},}; + +static void +didVesaTiming(int scrn, unsigned char *x, MonPtr mon) +{ + int i, j; + + x += 3; + + for (i = 0; i < 10; i++) + for (j = 0; j < 8; j++) + if (x[i] & (1 << j)) { + const struct did_dmt *d = &(did_dmt[i * 8 + j]); + + if (d->f == INT) + continue; + mon->Modes = xf86ModesAdd(mon->Modes, + FindDMTMode(d->w, d->h, d->r, + d->f == RB)); + } + +} + +static void +handleDisplayIDBlock(int scrnIndex, unsigned char *x, void *closure) +{ + MonPtr mon = closure; + + switch (x[0]) { + case DID_DISPLAY_PARAMETERS: + /* w/h are in decimillimeters */ + mon->widthmm = (extract_le16(x, 3) + 5) / 10; + mon->heightmm = (extract_le16(x, 5) + 5) / 10; + /* XXX pixel count, feature flags, gamma, aspect, color depth */ + break; + + case DID_TIMING_RANGE_LIMITS: + { + int n; + + mon->maxPixClock = max(mon->maxPixClock, extract_le24(x, 6) * 10); + + n = mon->nHsync++; + if (n < MAX_HSYNC) { + mon->hsync[n].lo = x[9]; + mon->hsync[n].hi = x[10]; + } + else { + n = MAX_HSYNC; + } + n = mon->nVrefresh++; + if (n < MAX_VREFRESH) { + mon->vrefresh[n].lo = x[13]; + mon->vrefresh[n].hi = x[14]; + } + else { + n = MAX_VREFRESH; + } + break; + } + + case DID_TIMING_1_DETAILED: + { + int i; + + for (i = 0; i < x[2]; i += 20) + didDetailedTiming1(scrnIndex, x + i + 3, mon); + break; + } + + case DID_TIMING_2_DETAILED: + { + int i; + + for (i = 0; i < x[2]; i += 11) + didDetailedTiming2(scrnIndex, x + i + 3, mon); + break; + } + + case DID_TIMING_3_SHORT: + { + int i; + + for (i = 0; i < x[2]; i += 3) + didShortTiming(scrnIndex, x + i + 3, mon); + break; + } + + case DID_TIMING_4_DMT: + { + int i; + + for (i = 0; i < x[2]; i++) + didDMTTiming(scrnIndex, x + i + 3, mon); + break; + } + + case DID_TIMING_VESA: + didVesaTiming(scrnIndex, x, mon); + break; + + /* XXX pixel format, ar, orientation, subpixel, dot pitch, bit depth */ + case DID_DISPLAY_DEVICE: + + /* XXX interface, links, color encoding, ss, drm */ + case DID_DISPLAY_INTERFACE: + + /* XXX stereo */ + case DID_STEREO: + + /* nothing interesting in these */ + case DID_COLOR_INFO: + case DID_PRODUCT_SERIAL: + case DID_ASCII_STRING: + case DID_POWER_SEQUENCING: + case DID_TRANSFER_INFO: + case DID_VENDOR: + break; + + /* warn about anything else */ + default: + xf86DrvMsg(scrnIndex, X_WARNING, + "Unknown DisplayID block type %hx\n", x[0]); + break; + } +} + +static void +forEachDisplayIDBlock(int scrnIndex, unsigned char *did, did_proc proc, + void *closure) +{ + int num_extensions = did[3]; + int section_size = did[1]; + unsigned char *block; + + do { + if ((did[0] & 0xf0) != 0x10) /* not 1.x, abort */ + return; + /* XXX also, checksum */ + + block = did + 4; + + while (section_size > 0) { + int block_size = (block[2] + 2); + + proc(scrnIndex, block, closure); + + section_size -= block_size; + block += block_size; + } + + did += (did[1] + 5); + } while (num_extensions--); +} + +/* + * Fill out MonPtr with xf86MonPtr information. + */ +void +xf86DisplayIDMonitorSet(int scrnIndex, MonPtr mon, xf86MonPtr DDC) +{ + if (!mon || !DDC) + return; + + mon->DDC = DDC; + + forEachDisplayIDBlock(scrnIndex, DDC->rawData, handleDisplayIDBlock, mon); +} |