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linux: document hdmi registers

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This commit is contained in:
Andy Nguyen
2026-04-27 13:39:51 +02:00
parent 3bd9c5091d
commit 434c48f77f
1 changed files with 14 additions and 9 deletions
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23
linux.patch
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@@ -1015,10 +1015,10 @@ index 000000000000..7acb030a4976
+obj-y += spcie.o tpcie.o hdmi.o mp1.o
diff --git a/drivers/ps5/hdmi.c b/drivers/ps5/hdmi.c
new file mode 100644
index 000000000000..20e5f3648168
index 000000000000..1edee8c4316c
--- /dev/null
+++ b/drivers/ps5/hdmi.c
@@ -0,0 +1,1022 @@
@@ -0,0 +1,1027 @@
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
@@ -1654,14 +1654,18 @@ index 000000000000..20e5f3648168
+ i2c_write(0x7005, 0x80);
+ i2c_write(0x7009, 0x00);
+ i2c_write(0x7040, 0x42);
+ i2c_write(0x7225, 0x28);
+ /* Set colorimetry and aspect ratio (HDTV and 16:9) */
+ i2c_write(0x7225, 0x20 | 0x08);
+ if (h == 1080) {
+ /* Set VIC and content type */
+ i2c_write_data(0x7227, (u8[]){0x10, 0x00}, 2);
+ i2c_write_data(0x7070, (u8[]){0x10, 0x10, 0x00, 0x00, 0x00, 0x00}, 6);
+ } else if (h == 1440) {
+ /* Set VIC and content type */
+ i2c_write_data(0x7227, (u8[]){0x04, 0x00}, 2);
+ i2c_write_data(0x7070, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0xfb}, 6);
+ } else if (h == 2160) {
+ /* Set VIC and content type */
+ i2c_write_data(0x7227, (u8[]){0x06, 0x00}, 2);
+ i2c_write_data(0x7070, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, 6);
+ }
@@ -1700,12 +1704,13 @@ index 000000000000..20e5f3648168
+ i2c_init(1);
+ i2c_waitset(0x10e7, 0x80);
+ if (h == 2160) {
+ i2c_mask(0x7227, 0x61, 0xff);
+ /* Set VIC */
+ i2c_mask(0x7227, 97, 0xff);
+ }
+ // i2c_cmd_2_1(0x7231, 0x00);
+ // i2c_cmd_2_1(0x7232, 0x00);
+ i2c_mask(0x7226, 0x80, 0x80);
+ i2c_mask(0x7228, 0x30, 0x30);
+ /* Enable IT content */
+ i2c_mask(0x7226, 1 << 7, 0x80);
+ /* Set content type (game) */
+ i2c_mask(0x7228, 3 << 4, 0x30);
+ i2c_write(0x7204, 0x40);
+ i2c_waitclear(0x7204, 0x40);
+ i2c_delay(10);
@@ -2025,7 +2030,7 @@ index 000000000000..20e5f3648168
+ int i;
+ u32 sum = 0;
+
+ // For some reason, PS5 sets 0x01.
+ /* For some reason, PS5 sets 0x01. */
+ edid[0] = 0x00;
+ for (i = 0; i < 0x7f; i++)
+ sum += edid[i];