aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/i2c/st-mipid02.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2019-07-09 09:47:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-09 09:47:22 -0700
commited63b9c873601ca113da5c7b1745e3946493e9f3 (patch)
tree94e96db2b79a8d123c0645dd64b3830bc4d20bfe /drivers/media/i2c/st-mipid02.c
parentMerge tag 'please-pull-for_5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras (diff)
parentmedia: allegro: use new v4l2_m2m_ioctl_try_encoder_cmd funcs (diff)
downloadlinux-dev-ed63b9c873601ca113da5c7b1745e3946493e9f3.tar.xz
linux-dev-ed63b9c873601ca113da5c7b1745e3946493e9f3.zip
Merge tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - new Atmel microship ISC driver - coda has gained support for mpeg2 and mpeg4 - cxusb gained support for analog TV - rockchip staging driver was split into two separate staging drivers - added a new staging driver for Allegro DVT video IP core - added a new staging driver for Amlogic Meson video decoder - lots of improvements and cleanups * tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (398 commits) media: allegro: use new v4l2_m2m_ioctl_try_encoder_cmd funcs media: doc-rst: Fix typos media: radio-raremono: change devm_k*alloc to k*alloc media: stv0297: fix frequency range limit media: rc: Prefer KEY_NUMERIC_* for number buttons on remotes media: dvb_frontend: split dvb_frontend_handle_ioctl function media: mceusb: disable "nonsensical irdata" messages media: rc: remove redundant dev_err message media: cec-notifier: add new notifier functions media: cec: add struct cec_connector_info support media: cec-notifier: rename variables, check kstrdup and n->conn_name media: MAINTAINERS: Add maintainers for Media Controller media: staging: media: tegra-vde: Defer dmabuf's unmapping media: staging: media: tegra-vde: Add IOMMU support media: hdpvr: fix locking and a missing msleep media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom() media: atmel: atmel-isc: fix i386 build error media: v4l2-ctrl: Move compound control initialization media: hantro: Use vb2_get_buffer media: pci: cx88: Change the type of 'missed' to u64 ...
Diffstat (limited to 'drivers/media/i2c/st-mipid02.c')
-rw-r--r--drivers/media/i2c/st-mipid02.c60
1 files changed, 51 insertions, 9 deletions
diff --git a/drivers/media/i2c/st-mipid02.c b/drivers/media/i2c/st-mipid02.c
index 9369f38dbf3d..81285b8d5cfb 100644
--- a/drivers/media/i2c/st-mipid02.c
+++ b/drivers/media/i2c/st-mipid02.c
@@ -61,7 +61,10 @@ static const u32 mipid02_supported_fmt_codes[] = {
MEDIA_BUS_FMT_SGRBG10_1X10, MEDIA_BUS_FMT_SRGGB10_1X10,
MEDIA_BUS_FMT_SBGGR12_1X12, MEDIA_BUS_FMT_SGBRG12_1X12,
MEDIA_BUS_FMT_SGRBG12_1X12, MEDIA_BUS_FMT_SRGGB12_1X12,
- MEDIA_BUS_FMT_UYVY8_1X16, MEDIA_BUS_FMT_BGR888_1X24
+ MEDIA_BUS_FMT_UYVY8_1X16, MEDIA_BUS_FMT_BGR888_1X24,
+ MEDIA_BUS_FMT_RGB565_2X8_LE, MEDIA_BUS_FMT_RGB565_2X8_BE,
+ MEDIA_BUS_FMT_YUYV8_2X8, MEDIA_BUS_FMT_UYVY8_2X8,
+ MEDIA_BUS_FMT_JPEG_1X8
};
/* regulator supplies */
@@ -99,6 +102,7 @@ struct mipid02_dev {
u8 data_lane1_reg1;
u8 mode_reg1;
u8 mode_reg2;
+ u8 data_selection_ctrl;
u8 data_id_rreg;
u8 pix_width_ctrl;
u8 pix_width_ctrl_emb;
@@ -128,6 +132,10 @@ static int bpp_from_code(__u32 code)
case MEDIA_BUS_FMT_SRGGB12_1X12:
return 12;
case MEDIA_BUS_FMT_UYVY8_1X16:
+ case MEDIA_BUS_FMT_YUYV8_2X8:
+ case MEDIA_BUS_FMT_UYVY8_2X8:
+ case MEDIA_BUS_FMT_RGB565_2X8_LE:
+ case MEDIA_BUS_FMT_RGB565_2X8_BE:
return 16;
case MEDIA_BUS_FMT_BGR888_1X24:
return 24;
@@ -155,9 +163,14 @@ static u8 data_type_from_code(__u32 code)
case MEDIA_BUS_FMT_SRGGB12_1X12:
return 0x2c;
case MEDIA_BUS_FMT_UYVY8_1X16:
+ case MEDIA_BUS_FMT_YUYV8_2X8:
+ case MEDIA_BUS_FMT_UYVY8_2X8:
return 0x1e;
case MEDIA_BUS_FMT_BGR888_1X24:
return 0x24;
+ case MEDIA_BUS_FMT_RGB565_2X8_LE:
+ case MEDIA_BUS_FMT_RGB565_2X8_BE:
+ return 0x22;
default:
return 0;
}
@@ -331,6 +344,25 @@ static int mipid02_detect(struct mipid02_dev *bridge)
return mipid02_read_reg(bridge, MIPID02_CLK_LANE_WR_REG1, &reg);
}
+static u32 mipid02_get_link_freq_from_cid_link_freq(struct mipid02_dev *bridge,
+ struct v4l2_subdev *subdev)
+{
+ struct v4l2_querymenu qm = {.id = V4L2_CID_LINK_FREQ, };
+ struct v4l2_ctrl *ctrl;
+ int ret;
+
+ ctrl = v4l2_ctrl_find(subdev->ctrl_handler, V4L2_CID_LINK_FREQ);
+ if (!ctrl)
+ return 0;
+ qm.index = v4l2_ctrl_g_ctrl(ctrl);
+
+ ret = v4l2_querymenu(subdev->ctrl_handler, &qm);
+ if (ret)
+ return 0;
+
+ return qm.value;
+}
+
static u32 mipid02_get_link_freq_from_cid_pixel_rate(struct mipid02_dev *bridge,
struct v4l2_subdev *subdev)
{
@@ -358,10 +390,14 @@ static int mipid02_configure_from_rx_speed(struct mipid02_dev *bridge)
struct v4l2_subdev *subdev = bridge->s_subdev;
u32 link_freq;
- link_freq = mipid02_get_link_freq_from_cid_pixel_rate(bridge, subdev);
+ link_freq = mipid02_get_link_freq_from_cid_link_freq(bridge, subdev);
if (!link_freq) {
- dev_err(&client->dev, "Failed to detect link frequency");
- return -EINVAL;
+ link_freq = mipid02_get_link_freq_from_cid_pixel_rate(bridge,
+ subdev);
+ if (!link_freq) {
+ dev_err(&client->dev, "Failed to get link frequency");
+ return -EINVAL;
+ }
}
dev_dbg(&client->dev, "detect link_freq = %d Hz", link_freq);
@@ -452,6 +488,7 @@ static int mipid02_configure_from_tx(struct mipid02_dev *bridge)
{
struct v4l2_fwnode_endpoint *ep = &bridge->tx;
+ bridge->r.data_selection_ctrl = SELECTION_MANUAL_WIDTH;
bridge->r.pix_width_ctrl = ep->bus.parallel.bus_width;
bridge->r.pix_width_ctrl_emb = ep->bus.parallel.bus_width;
if (ep->bus.parallel.flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)
@@ -467,10 +504,15 @@ static int mipid02_configure_from_code(struct mipid02_dev *bridge)
u8 data_type;
bridge->r.data_id_rreg = 0;
- data_type = data_type_from_code(bridge->fmt.code);
- if (!data_type)
- return -EINVAL;
- bridge->r.data_id_rreg = data_type;
+
+ if (bridge->fmt.code != MEDIA_BUS_FMT_JPEG_1X8) {
+ bridge->r.data_selection_ctrl |= SELECTION_MANUAL_DATA;
+
+ data_type = data_type_from_code(bridge->fmt.code);
+ if (!data_type)
+ return -EINVAL;
+ bridge->r.data_id_rreg = data_type;
+ }
return 0;
}
@@ -554,7 +596,7 @@ static int mipid02_stream_enable(struct mipid02_dev *bridge)
if (ret)
goto error;
ret = mipid02_write_reg(bridge, MIPID02_DATA_SELECTION_CTRL,
- SELECTION_MANUAL_DATA | SELECTION_MANUAL_WIDTH);
+ bridge->r.data_selection_ctrl);
if (ret)
goto error;
ret = mipid02_write_reg(bridge, MIPID02_PIX_WIDTH_CTRL,