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path: root/drivers/media/i2c/adv7604.c
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Diffstat (limited to 'drivers/media/i2c/adv7604.c')
-rw-r--r--drivers/media/i2c/adv7604.c192
1 files changed, 140 insertions, 52 deletions
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index 60ffcf098bef..808360fd6539 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -29,6 +29,7 @@
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
+#include <linux/hdmi.h>
#include <linux/i2c.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -95,6 +96,13 @@ struct adv76xx_format_info {
u8 op_format_sel;
};
+struct adv76xx_cfg_read_infoframe {
+ const char *desc;
+ u8 present_mask;
+ u8 head_addr;
+ u8 payload_addr;
+};
+
struct adv76xx_chip_info {
enum adv76xx_type type;
@@ -124,6 +132,20 @@ 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;
};
/*
@@ -327,6 +349,11 @@ static const struct adv76xx_video_standards adv76xx_prim_mode_hdmi_gr[] = {
{ },
};
+static const struct v4l2_event adv76xx_ev_fmt = {
+ .type = V4L2_EVENT_SOURCE_CHANGE,
+ .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
+};
+
/* ----------------------------------------------------------------------- */
static inline struct adv76xx_state *to_state(struct v4l2_subdev *sd)
@@ -1304,12 +1331,12 @@ static int stdi2dv_timings(struct v4l2_subdev *sd,
if (v4l2_detect_cvt(stdi->lcf + 1, hfreq, stdi->lcvs,
(stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
(stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
- timings))
+ false, timings))
return 0;
if (v4l2_detect_gtf(stdi->lcf + 1, hfreq, stdi->lcvs,
(stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
(stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
- state->aspect_ratio, timings))
+ false, state->aspect_ratio, timings))
return 0;
v4l2_dbg(2, debug, sd,
@@ -1504,23 +1531,28 @@ 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 {
@@ -1725,11 +1757,11 @@ static int adv76xx_s_routing(struct v4l2_subdev *sd,
state->selected_input = input;
disable_input(sd);
-
select_input(sd);
-
enable_input(sd);
+ v4l2_subdev_notify(sd, V4L2_DEVICE_NOTIFY_EVENT,
+ (void *)&adv76xx_ev_fmt);
return 0;
}
@@ -1896,7 +1928,8 @@ static int adv76xx_isr(struct v4l2_subdev *sd, u32 status, bool *handled)
"%s: fmt_change = 0x%x, fmt_change_digital = 0x%x\n",
__func__, fmt_change, fmt_change_digital);
- v4l2_subdev_notify(sd, ADV76XX_FMT_CHANGE, NULL);
+ v4l2_subdev_notify(sd, V4L2_DEVICE_NOTIFY_EVENT,
+ (void *)&adv76xx_ev_fmt);
if (handled)
*handled = true;
@@ -2102,46 +2135,67 @@ static int adv76xx_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid)
/*********** avi info frame CEA-861-E **************/
-static void print_avi_infoframe(struct v4l2_subdev *sd)
+static const struct adv76xx_cfg_read_infoframe adv76xx_cri[] = {
+ { "AVI", 0x01, 0xe0, 0x00 },
+ { "Audio", 0x02, 0xe3, 0x1c },
+ { "SDP", 0x04, 0xe6, 0x2a },
+ { "Vendor", 0x10, 0xec, 0x54 }
+};
+
+static int adv76xx_read_infoframe(struct v4l2_subdev *sd, int index,
+ union hdmi_infoframe *frame)
{
+ uint8_t buffer[32];
+ u8 len;
int i;
- u8 buf[14];
- u8 avi_len;
- u8 avi_ver;
- if (!is_hdmi(sd)) {
- v4l2_info(sd, "receive DVI-D signal (AVI infoframe not supported)\n");
- return;
+ if (!(io_read(sd, 0x60) & adv76xx_cri[index].present_mask)) {
+ v4l2_info(sd, "%s infoframe not received\n",
+ adv76xx_cri[index].desc);
+ return -ENOENT;
}
- if (!(io_read(sd, 0x60) & 0x01)) {
- v4l2_info(sd, "AVI infoframe not received\n");
- return;
+
+ for (i = 0; i < 3; i++)
+ buffer[i] = infoframe_read(sd,
+ adv76xx_cri[index].head_addr + i);
+
+ len = buffer[2] + 1;
+
+ if (len + 3 > sizeof(buffer)) {
+ v4l2_err(sd, "%s: invalid %s infoframe length %d\n", __func__,
+ adv76xx_cri[index].desc, len);
+ return -ENOENT;
}
- if (io_read(sd, 0x83) & 0x01) {
- v4l2_info(sd, "AVI infoframe checksum error has occurred earlier\n");
- io_write(sd, 0x85, 0x01); /* clear AVI_INF_CKS_ERR_RAW */
- if (io_read(sd, 0x83) & 0x01) {
- v4l2_info(sd, "AVI infoframe checksum error still present\n");
- io_write(sd, 0x85, 0x01); /* clear AVI_INF_CKS_ERR_RAW */
- }
+ for (i = 0; i < len; i++)
+ buffer[i + 3] = infoframe_read(sd,
+ adv76xx_cri[index].payload_addr + i);
+
+ if (hdmi_infoframe_unpack(frame, buffer) < 0) {
+ v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__,
+ adv76xx_cri[index].desc);
+ return -ENOENT;
}
+ return 0;
+}
- avi_len = infoframe_read(sd, 0xe2);
- avi_ver = infoframe_read(sd, 0xe1);
- v4l2_info(sd, "AVI infoframe version %d (%d byte)\n",
- avi_ver, avi_len);
+static void adv76xx_log_infoframes(struct v4l2_subdev *sd)
+{
+ int i;
- if (avi_ver != 0x02)
+ if (!is_hdmi(sd)) {
+ v4l2_info(sd, "receive DVI-D signal, no infoframes\n");
return;
+ }
- for (i = 0; i < 14; i++)
- buf[i] = infoframe_read(sd, i);
+ for (i = 0; i < ARRAY_SIZE(adv76xx_cri); i++) {
+ union hdmi_infoframe frame;
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- v4l2_info(sd,
- "\t%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
- buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7],
- buf[8], buf[9], buf[10], buf[11], buf[12], buf[13]);
+ if (adv76xx_read_infoframe(sd, i, &frame))
+ return;
+ hdmi_infoframe_log(KERN_INFO, &client->dev, &frame);
+ }
}
static int adv76xx_log_status(struct v4l2_subdev *sd)
@@ -2168,6 +2222,14 @@ static int adv76xx_log_status(struct v4l2_subdev *sd)
"invalid", "invalid", "invalid", "invalid", "invalid",
"invalid", "invalid", "automatic"
};
+ static const char * const hdmi_color_space_txt[16] = {
+ "RGB limited range (16-235)", "RGB full range (0-255)",
+ "YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)",
+ "xvYCC Bt.601", "xvYCC Bt.709",
+ "YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)",
+ "sYCC", "Adobe YCC 601", "AdobeRGB", "invalid", "invalid",
+ "invalid", "invalid", "invalid"
+ };
static const char * const rgb_quantization_range_txt[] = {
"Automatic",
"RGB limited range (16-235)",
@@ -2235,11 +2297,12 @@ static int adv76xx_log_status(struct v4l2_subdev *sd)
rgb_quantization_range_txt[state->rgb_quantization_range]);
v4l2_info(sd, "Input color space: %s\n",
input_color_space_txt[reg_io_0x02 >> 4]);
- v4l2_info(sd, "Output color space: %s %s, saturator %s\n",
+ v4l2_info(sd, "Output color space: %s %s, saturator %s, alt-gamma %s\n",
(reg_io_0x02 & 0x02) ? "RGB" : "YCbCr",
(reg_io_0x02 & 0x04) ? "(16-235)" : "(0-255)",
- ((reg_io_0x02 & 0x04) ^ (reg_io_0x02 & 0x01)) ?
- "enabled" : "disabled");
+ (((reg_io_0x02 >> 2) & 0x01) ^ (reg_io_0x02 & 0x01)) ?
+ "enabled" : "disabled",
+ (reg_io_0x02 & 0x08) ? "enabled" : "disabled");
v4l2_info(sd, "Color space conversion: %s\n",
csc_coeff_sel_rb[cp_read(sd, info->cp_csc) >> 4]);
@@ -2276,8 +2339,9 @@ static int adv76xx_log_status(struct v4l2_subdev *sd)
v4l2_info(sd, "AV Mute: %s\n", (hdmi_read(sd, 0x04) & 0x40) ? "on" : "off");
v4l2_info(sd, "Deep color mode: %s\n", deep_color_mode_txt[(hdmi_read(sd, 0x0b) & 0x60) >> 5]);
+ v4l2_info(sd, "HDMI colorspace: %s\n", hdmi_color_space_txt[hdmi_read(sd, 0x53) & 0xf]);
- print_avi_infoframe(sd);
+ adv76xx_log_infoframes(sd);
}
return 0;
@@ -2567,6 +2631,18 @@ 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,
@@ -2596,17 +2672,29 @@ 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,
},
};
-static struct i2c_device_id adv76xx_i2c_id[] = {
+static const struct i2c_device_id adv76xx_i2c_id[] = {
{ "adv7604", (kernel_ulong_t)&adv76xx_chip_info[ADV7604] },
{ "adv7611", (kernel_ulong_t)&adv76xx_chip_info[ADV7611] },
{ }
};
MODULE_DEVICE_TABLE(i2c, adv76xx_i2c_id);
-static struct of_device_id adv76xx_of_id[] __maybe_unused = {
+static const struct of_device_id adv76xx_of_id[] __maybe_unused = {
{ .compatible = "adi,adv7611", .data = &adv76xx_chip_info[ADV7611] },
{ }
};
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-06 09:02:38 +0300