lib/kms: Turn base_edid into a template

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2015-12-03 19:01:21 +02:00
parent 7bd31d090e
commit b0f4df31ba
3 changed files with 95 additions and 70 deletions

View File

@ -11,6 +11,7 @@ libintel_tools_la_SOURCES = \
igt_debugfs.h \
igt_aux.c \
igt_aux.h \
igt_edid_template.h \
igt_gt.c \
igt_gt.h \
igt_stats.c \

74
lib/igt_edid_template.h Normal file
View File

@ -0,0 +1,74 @@
#define GAMMA(x) (((x) * 100) - 100)
#define MANUFACTURER_ID(a, b, c) (a - '@') << 2 | (b - '@') >> 3, \
(b - '@') << 5 | (c - '@')
#define ab(x, y) ((x) & 0xff), ((y) & 0xff), (((x) & 0xf00) >> 4) | (((y) & 0xf00) >> 8)
#define op(ho, hp, vo, vp) ((ho) & 0xff), ((hp) & 0xff), \
(((vo) & 0xf) << 4) | ((vp) & 0xf), \
(((ho) & 0x300) >> 2) | (((hp) & 0x300) >> 4) \
| (((vo) & 0x30) >> 2) | ((vp) & 0x30 >> 4)
static unsigned char EDID_NAME[EDID_LENGTH] = {
0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, /* header */
MANUFACTURER_ID('I', 'G', 'T'),
/* product code, serial number, week and year of manufacture */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x03, /* edid version (1.3) */
/* basic display parameters */
/* digital display, maximum horizontal image size, maximum vertical
* image size, gamma, features: RGB 4:4:4, native pixel format and
* refresh rate in descriptor 1 */
0x80, HSIZE, VSIZE, GAMMA(2.20), 0x02,
/* chromaticity coordinates */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* established timings: 640x480 60Hz, 800x600 60Hz, 1024x768 60Hz */
0x21, 0x08, 0x00,
/* standard timings */
0xd1, 0xc0, /* 1920x1080 60Hz */
0x81, 0xc0, /* 1280x720 60Hz */
0x61, 0x40, /* 1024x768 60Hz */
0x45, 0x40, /* 800x600 60Hz */
0x31, 0x40, /* 640x480 60Hz */
0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
/* descriptor 1 (preferred timing) */
(CLOCK / 10) & 0x00ff, ((CLOCK / 10) & 0xff00) >> 8,
ab(HACTIVE, HBLANK), ab(VACTIVE, VBLANK),
op(HOFFSET, HPULSE, VOFFSET, VPULSE),
ab(HSIZE * 10, VSIZE * 10),
0x00, 0x00, 0x00,
/* descriptor 2 (monitor range limits) */
0x00, 0x00, 0x00, 0xfd, 0x00,
VFREQ - 1, VFREQ + 1, /* minimum, maximum vertical field rate */
(CLOCK / (HACTIVE + HBLANK)) - 1, /* minimum horizontal line rate */
(CLOCK / (HACTIVE + HBLANK)) + 1, /* maximum horizontal line rate */
(CLOCK / 10000) + 1, /* maximum pixel clock rate */
0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
/* descriptor 3 (name descriptor) */
0x00, 0x00, 0x00, 0xfc, 0x00, 'I', 'G', 'T', 0x0a,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
/* descriptor 4 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* extensions, checksum */
0x00, 0x00
};
#undef EDID_NAME
#undef VFREQ
#undef CLOCK
#undef HACTIVE
#undef HBLANK
#undef VACTIVE
#undef VBLANK
#undef HOFFSET
#undef HPULSE
#undef VOFFSET
#undef VPULSE
#undef HSIZE
#undef VSIZE
#undef GAMMA
#undef MANUFACTURER_ID
#undef ab
#undef op

View File

@ -53,6 +53,23 @@
#define MAX_CONNECTORS 32
static char *forced_connectors[MAX_CONNECTORS + 1];
static void update_edid_csum(unsigned char *edid)
{
int i, sum = 0;
struct tm *tm;
time_t t;
/* year of manufacture */
t = time(NULL);
tm = localtime(&t);
edid[17] = tm->tm_year - 90;
/* calculate checksum */
for (i = 0; i < 127; i++) {
sum = sum + edid[i];
}
edid[127] = 256 - sum;
}
#define VFREQ 60
#define CLOCK 148500
@ -68,62 +85,8 @@ static char *forced_connectors[MAX_CONNECTORS + 1];
#define HSIZE 52
#define VSIZE 30
#define GAMMA(x) (x * 100) - 100
#define MANUFACTURER_ID(a, b, c) (a - '@') << 2 | (b - '@') >> 3, \
(b - '@') << 5 | (c - '@')
#define ab(x, y) (x & 0xff), (y & 0xff), ((x & 0xf00) >> 4) | ((y & 0xf00) >> 8)
#define op(ho, hp, vo, vp) (ho & 0xff), (hp & 0xff), \
((vo & 0xf) << 4) | (vp & 0xf), \
((ho & 0x300) >> 2) | ((hp & 0x300) >> 4) \
| ((vo & 0x30) >> 2) | (vp & 0x30 >> 4)
static unsigned char base_edid[EDID_LENGTH] = {
0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, /* header */
MANUFACTURER_ID('I', 'G', 'T'),
/* product code, serial number, week and year of manufacture */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x03, /* edid version (1.3) */
/* basic display parameters */
/* digital display, maximum horizontal image size, maximum vertical
* image size, gamma, features: RGB 4:4:4, native pixel format and
* refresh rate in descriptor 1 */
0x80, HSIZE, VSIZE, GAMMA(2.20), 0x02,
/* chromaticity coordinates */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* established timings: 640x480 60Hz, 800x600 60Hz, 1024x768 60Hz */
0x21, 0x08, 0x00,
/* standard timings */
0xd1, 0xc0, /* 1920x1080 60Hz */
0x81, 0xc0, /* 1280x720 60Hz */
0x61, 0x40, /* 1024x768 60Hz */
0x45, 0x40, /* 800x600 60Hz */
0x31, 0x40, /* 640x480 60Hz */
0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
/* descriptor 1 (preferred timing) */
(CLOCK / 10) & 0x00ff, ((CLOCK / 10) & 0xff00) >> 8,
ab(HACTIVE, HBLANK), ab(VACTIVE, VBLANK),
op(HOFFSET, HPULSE, VOFFSET, VPULSE),
ab(HSIZE * 10, VSIZE * 10),
0x00, 0x00, 0x00,
/* descriptor 2 (monitor range limits) */
0x00, 0x00, 0x00, 0xfd, 0x00,
VFREQ - 1, VFREQ + 1, /* minimum, maximum vertical field rate */
(CLOCK / (HACTIVE + HBLANK)) - 1, /* minimum horizontal line rate */
(CLOCK / (HACTIVE + HBLANK)) + 1, /* maximum horizontal line rate */
(CLOCK / 10000) + 1, /* maximum pixel clock rate */
0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
/* descriptor 3 (name descriptor) */
0x00, 0x00, 0x00, 0xfc, 0x00, 'I', 'G', 'T', 0x0a,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
/* descriptor 4 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* extensions, checksum */
0x00, 0x00
};
#define EDID_NAME base_edid
#include "igt_edid_template.h"
/**
* igt_kms_get_base_edid:
@ -143,20 +106,7 @@ static unsigned char base_edid[EDID_LENGTH] = {
*/
const unsigned char* igt_kms_get_base_edid(void)
{
int i, sum = 0;
struct tm *tm;
time_t t;
/* year of manufacture */
t = time(NULL);
tm = localtime(&t);
base_edid[17] = tm->tm_year - 90;
/* calculate checksum */
for (i = 0; i < 127; i++) {
sum = sum + base_edid[i];
}
base_edid[127] = 256 - sum;
update_edid_csum(base_edid);
return base_edid;
}