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Date: Thu, 9 Apr 2015 10:25:46 +0200
From: Jean-Michel Hautbois <jean-michel.hautbois@...alys.com>
To: linux-media@...r.kernel.org
Cc: hans.verkuil@...co.com, mchehab@....samsung.com,
linux-kernel@...r.kernel.org,
Jean-Michel Hautbois <jean-michel.hautbois@...alys.com>
Subject: [PATCH] media: adv7604: Fix masks used for querying timings in ADV7611
All masks for timings are different between ADV7604 and ADV7611.
Most of the values have 1 precision bit more in the latter.
Fix this by adding new fields to the chip_info structure.
Signed-off-by: Jean-Michel Hautbois <jean-michel.hautbois@...alys.com>
---
drivers/media/i2c/adv7604.c | 69 ++++++++++++++++++++++++++++++++++++---------
1 file changed, 56 insertions(+), 13 deletions(-)
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index 60ffcf0..c1be0f7 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -124,6 +124,20 @@ struct adv76xx_chip_info {
unsigned int num_recommended_settings[2];
unsigned long page_mask;
+
+ /* Masks for timings */
+ unsigned int linewidth_mask;
+ unsigned int field0_height_mask;
+ unsigned int field1_height_mask;
+ unsigned int hfrontporch_mask;
+ unsigned int hsync_mask;
+ unsigned int hbackporch_mask;
+ unsigned int field0_vfrontporch_mask;
+ unsigned int field1_vfrontporch_mask;
+ unsigned int field0_vsync_mask;
+ unsigned int field1_vsync_mask;
+ unsigned int field0_vbackporch_mask;
+ unsigned int field1_vbackporch_mask;
};
/*
@@ -1504,23 +1518,28 @@ static int adv76xx_query_dv_timings(struct v4l2_subdev *sd,
if (is_digital_input(sd)) {
timings->type = V4L2_DV_BT_656_1120;
- /* FIXME: All masks are incorrect for ADV7611 */
- bt->width = hdmi_read16(sd, 0x07, 0xfff);
- bt->height = hdmi_read16(sd, 0x09, 0xfff);
+ bt->width = hdmi_read16(sd, 0x07, info->linewidth_mask);
+ bt->height = hdmi_read16(sd, 0x09, info->field0_height_mask);
bt->pixelclock = info->read_hdmi_pixelclock(sd);
- bt->hfrontporch = hdmi_read16(sd, 0x20, 0x3ff);
- bt->hsync = hdmi_read16(sd, 0x22, 0x3ff);
- bt->hbackporch = hdmi_read16(sd, 0x24, 0x3ff);
- bt->vfrontporch = hdmi_read16(sd, 0x2a, 0x1fff) / 2;
- bt->vsync = hdmi_read16(sd, 0x2e, 0x1fff) / 2;
- bt->vbackporch = hdmi_read16(sd, 0x32, 0x1fff) / 2;
+ bt->hfrontporch = hdmi_read16(sd, 0x20, info->hfrontporch_mask);
+ bt->hsync = hdmi_read16(sd, 0x22, info->hsync_mask);
+ bt->hbackporch = hdmi_read16(sd, 0x24, info->hbackporch_mask);
+ bt->vfrontporch = hdmi_read16(sd, 0x2a,
+ info->field0_vfrontporch_mask) / 2;
+ bt->vsync = hdmi_read16(sd, 0x2e, info->field0_vsync_mask) / 2;
+ bt->vbackporch = hdmi_read16(sd, 0x32,
+ info->field0_vbackporch_mask) / 2;
bt->polarities = ((hdmi_read(sd, 0x05) & 0x10) ? V4L2_DV_VSYNC_POS_POL : 0) |
((hdmi_read(sd, 0x05) & 0x20) ? V4L2_DV_HSYNC_POS_POL : 0);
if (bt->interlaced == V4L2_DV_INTERLACED) {
- bt->height += hdmi_read16(sd, 0x0b, 0xfff);
- bt->il_vfrontporch = hdmi_read16(sd, 0x2c, 0x1fff) / 2;
- bt->il_vsync = hdmi_read16(sd, 0x30, 0x1fff) / 2;
- bt->il_vbackporch = hdmi_read16(sd, 0x34, 0x1fff) / 2;
+ bt->height += hdmi_read16(sd, 0x0b,
+ info->field1_height_mask);
+ bt->il_vfrontporch = hdmi_read16(sd, 0x2c,
+ info->field1_vfrontporch_mask) / 2;
+ bt->il_vsync = hdmi_read16(sd, 0x30,
+ info->field1_vsync_mask) / 2;
+ bt->il_vbackporch = hdmi_read16(sd, 0x34,
+ info->field1_vbackporch_mask) / 2;
}
adv76xx_fill_optional_dv_timings_fields(sd, timings);
} else {
@@ -2567,6 +2586,18 @@ static const struct adv76xx_chip_info adv76xx_chip_info[] = {
BIT(ADV76XX_PAGE_EDID) | BIT(ADV76XX_PAGE_HDMI) |
BIT(ADV76XX_PAGE_TEST) | BIT(ADV76XX_PAGE_CP) |
BIT(ADV7604_PAGE_VDP),
+ .linewidth_mask = 0xfff,
+ .field0_height_mask = 0xfff,
+ .field1_height_mask = 0xfff,
+ .hfrontporch_mask = 0x3ff,
+ .hsync_mask = 0x3ff,
+ .hbackporch_mask = 0x3ff,
+ .field0_vfrontporch_mask = 0x1fff,
+ .field0_vsync_mask = 0x1fff,
+ .field0_vbackporch_mask = 0x1fff,
+ .field1_vfrontporch_mask = 0x1fff,
+ .field1_vsync_mask = 0x1fff,
+ .field1_vbackporch_mask = 0x1fff,
},
[ADV7611] = {
.type = ADV7611,
@@ -2596,6 +2627,18 @@ static const struct adv76xx_chip_info adv76xx_chip_info[] = {
BIT(ADV76XX_PAGE_INFOFRAME) | BIT(ADV76XX_PAGE_AFE) |
BIT(ADV76XX_PAGE_REP) | BIT(ADV76XX_PAGE_EDID) |
BIT(ADV76XX_PAGE_HDMI) | BIT(ADV76XX_PAGE_CP),
+ .linewidth_mask = 0x1fff,
+ .field0_height_mask = 0x1fff,
+ .field1_height_mask = 0x1fff,
+ .hfrontporch_mask = 0x1fff,
+ .hsync_mask = 0x1fff,
+ .hbackporch_mask = 0x1fff,
+ .field0_vfrontporch_mask = 0x3fff,
+ .field0_vsync_mask = 0x3fff,
+ .field0_vbackporch_mask = 0x3fff,
+ .field1_vfrontporch_mask = 0x3fff,
+ .field1_vsync_mask = 0x3fff,
+ .field1_vbackporch_mask = 0x3fff,
},
};
--
2.3.1
--
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