* [PATCH 13/17] ps3av: add autodetection for VESA modes
@ 2007-09-29 1:38 Antonino A. Daplas
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From: Antonino A. Daplas @ 2007-09-29 1:38 UTC (permalink / raw)
To: Andrew Morton; +Cc: Geert Uytterhoeven, Linux Fbdev development list
From: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
add autodetection for VESA modes
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
---
drivers/ps3/ps3av.c | 95 ++++++++++++++++++++++++++-----------------
include/asm-powerpc/ps3av.h | 11 +++++
2 files changed, 68 insertions(+), 38 deletions(-)
diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c
index 21f69a7..fbf8dcd 100644
--- a/drivers/ps3/ps3av.c
+++ b/drivers/ps3/ps3av.c
@@ -585,54 +585,73 @@ static void ps3avd(struct work_struct *w
complete(&ps3av->done);
}
-static int ps3av_resbit2id(u32 res_50, u32 res_60)
+#define SHIFT_50 0
+#define SHIFT_60 4
+#define SHIFT_VESA 8
+
+static const struct {
+ unsigned mask : 19;
+ unsigned id : 4;
+} ps3av_preferred_modes[] = {
+ { .mask = PS3AV_RESBIT_WUXGA << SHIFT_VESA, .id = 13 },
+ { .mask = PS3AV_RESBIT_1920x1080P << SHIFT_60, .id = 5 },
+ { .mask = PS3AV_RESBIT_1920x1080P << SHIFT_50, .id = 10 },
+ { .mask = PS3AV_RESBIT_1920x1080I << SHIFT_60, .id = 4 },
+ { .mask = PS3AV_RESBIT_1920x1080I << SHIFT_50, .id = 9 },
+ { .mask = PS3AV_RESBIT_SXGA << SHIFT_VESA, .id = 12 },
+ { .mask = PS3AV_RESBIT_WXGA << SHIFT_VESA, .id = 11 },
+ { .mask = PS3AV_RESBIT_1280x720P << SHIFT_60, .id = 3 },
+ { .mask = PS3AV_RESBIT_1280x720P << SHIFT_50, .id = 8 },
+ { .mask = PS3AV_RESBIT_720x480P << SHIFT_60, .id = 2 },
+ { .mask = PS3AV_RESBIT_720x576P << SHIFT_50, .id = 7 },
+};
+
+static int ps3av_resbit2id(u32 res_50, u32 res_60, u32 res_vesa)
{
- int id = 0;
-
- if (res_50 > res_60) { /* if res_50 == res_60, res_60 will be used */
- if (res_50 & PS3AV_RESBIT_1920x1080P)
- id = 10;
- else if (res_50 & PS3AV_RESBIT_1920x1080I)
- id = 9;
- else if (res_50 & PS3AV_RESBIT_1280x720P)
- id = 8;
- else if (res_50 & PS3AV_RESBIT_720x576P)
- id = 7;
- else
- id = 0;
- } else {
- if (res_60 & PS3AV_RESBIT_1920x1080P)
- id = 5;
- else if (res_60 & PS3AV_RESBIT_1920x1080I)
- id = 4;
- else if (res_60 & PS3AV_RESBIT_1280x720P)
- id = 3;
- else if (res_60 & PS3AV_RESBIT_720x480P)
- id = 2;
- else
- id = 0;
- }
- return id;
+ unsigned int i;
+ u32 res_all;
+
+ /*
+ * We mask off the resolution bits we care about and combine the
+ * results in one bitfield, so make sure there's no overlap
+ */
+ BUILD_BUG_ON(PS3AV_RES_MASK_50 << SHIFT_50 &
+ PS3AV_RES_MASK_60 << SHIFT_60);
+ BUILD_BUG_ON(PS3AV_RES_MASK_50 << SHIFT_50 &
+ PS3AV_RES_MASK_VESA << SHIFT_VESA);
+ BUILD_BUG_ON(PS3AV_RES_MASK_60 << SHIFT_60 &
+ PS3AV_RES_MASK_VESA << SHIFT_VESA);
+ res_all = (res_50 & PS3AV_RES_MASK_50) << SHIFT_50 |
+ (res_60 & PS3AV_RES_MASK_60) << SHIFT_60 |
+ (res_vesa & PS3AV_RES_MASK_VESA) << SHIFT_VESA;
+
+ if (!res_all)
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(ps3av_preferred_modes); i++)
+ if (res_all & ps3av_preferred_modes[i].mask)
+ return ps3av_preferred_modes[i].id;
+
+ return 0;
}
static int ps3av_hdmi_get_id(struct ps3av_info_monitor *info)
{
- u32 res_50, res_60;
int id;
/* check native resolution */
- res_50 = info->res_50.native & PS3AV_RES_MASK_50;
- res_60 = info->res_60.native & PS3AV_RES_MASK_60;
- if (res_50 || res_60) {
- id = ps3av_resbit2id(res_50, res_60);
+ id = ps3av_resbit2id(info->res_50.native, info->res_60.native,
+ info->res_vesa.native);
+ if (id) {
+ pr_debug("%s: Using native mode %d\n", __func__, id);
return id;
}
- /* check resolution */
- res_50 = info->res_50.res_bits & PS3AV_RES_MASK_50;
- res_60 = info->res_60.res_bits & PS3AV_RES_MASK_60;
- if (res_50 || res_60) {
- id = ps3av_resbit2id(res_50, res_60);
+ /* check supported resolutions */
+ id = ps3av_resbit2id(info->res_50.res_bits, info->res_60.res_bits,
+ info->res_vesa.res_bits);
+ if (id) {
+ pr_debug("%s: Using supported mode %d\n", __func__, id);
return id;
}
@@ -640,6 +659,7 @@ static int ps3av_hdmi_get_id(struct ps3a
id = PS3AV_DEFAULT_HDMI_MODE_ID_REG_60;
else
id = PS3AV_DEFAULT_HDMI_MODE_ID_REG_50;
+ pr_debug("%s: Using default mode %d\n", __func__, id);
return id;
}
@@ -737,6 +757,7 @@ static int ps3av_auto_videomode(struct p
id = PS3AV_DEFAULT_AVMULTI_MODE_ID_REG_50;
if (ps3av->region & PS3AV_REGION_RGB)
rgb = PS3AV_MODE_RGB;
+ pr_debug("%s: Using avmulti mode %d\n", __func__, id);
} else if (boot) {
/* HDMI: using DEFAULT HDMI_MODE_ID while booting up */
info = &monitor_info.info;
diff --git a/include/asm-powerpc/ps3av.h b/include/asm-powerpc/ps3av.h
index 014673e..7de59b6 100644
--- a/include/asm-powerpc/ps3av.h
+++ b/include/asm-powerpc/ps3av.h
@@ -283,7 +283,7 @@ #define PS3AV_CMD_VIDEO_CS_RGB 0x0001
#define PS3AV_CMD_VIDEO_CS_YUV422 0x0002
#define PS3AV_CMD_VIDEO_CS_YUV444 0x0003
-/* for automode */
+/* for broadcast automode */
#define PS3AV_RESBIT_720x480P 0x0003 /* 0x0001 | 0x0002 */
#define PS3AV_RESBIT_720x576P 0x0003 /* 0x0001 | 0x0002 */
#define PS3AV_RESBIT_1280x720P 0x0004
@@ -298,6 +298,15 @@ #define PS3AV_RES_MASK_50 (PS3AV_RESBI
| PS3AV_RESBIT_1920x1080I \
| PS3AV_RESBIT_1920x1080P)
+/* for VESA automode */
+#define PS3AV_RESBIT_VGA 0x0001
+#define PS3AV_RESBIT_WXGA 0x0002
+#define PS3AV_RESBIT_SXGA 0x0004
+#define PS3AV_RESBIT_WUXGA 0x0008
+#define PS3AV_RES_MASK_VESA (PS3AV_RESBIT_WXGA |\
+ PS3AV_RESBIT_SXGA |\
+ PS3AV_RESBIT_WUXGA)
+
#define PS3AV_MONITOR_TYPE_HDMI 1 /* HDMI */
#define PS3AV_MONITOR_TYPE_DVI 2 /* DVI */
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2007-09-29 1:38 [PATCH 13/17] ps3av: add autodetection for VESA modes Antonino A. Daplas
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