Commit 4b6c129e authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab

media: ipu3-cio2: Use v4l2_get_link_freq helper

Use v4l2_get_link_freq helper and add support for sensor drivers
implementing only V4L2_CID_PIXEL_RATE.
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 1b888b3c
......@@ -33,6 +33,7 @@ struct ipu3_cio2_fmt {
u32 mbus_code;
u32 fourcc;
u8 mipicode;
u8 bpp;
};
/*
......@@ -46,18 +47,22 @@ static const struct ipu3_cio2_fmt formats[] = {
.mbus_code = MEDIA_BUS_FMT_SGRBG10_1X10,
.fourcc = V4L2_PIX_FMT_IPU3_SGRBG10,
.mipicode = 0x2b,
.bpp = 10,
}, {
.mbus_code = MEDIA_BUS_FMT_SGBRG10_1X10,
.fourcc = V4L2_PIX_FMT_IPU3_SGBRG10,
.mipicode = 0x2b,
.bpp = 10,
}, {
.mbus_code = MEDIA_BUS_FMT_SBGGR10_1X10,
.fourcc = V4L2_PIX_FMT_IPU3_SBGGR10,
.mipicode = 0x2b,
.bpp = 10,
}, {
.mbus_code = MEDIA_BUS_FMT_SRGGB10_1X10,
.fourcc = V4L2_PIX_FMT_IPU3_SRGGB10,
.mipicode = 0x2b,
.bpp = 10,
},
};
......@@ -288,35 +293,20 @@ static s32 cio2_rx_timing(s32 a, s32 b, s64 freq, int def)
/* Calculate the the delay value for termination enable of clock lane HS Rx */
static int cio2_csi2_calc_timing(struct cio2_device *cio2, struct cio2_queue *q,
struct cio2_csi2_timing *timing)
struct cio2_csi2_timing *timing,
unsigned int bpp, unsigned int lanes)
{
struct device *dev = &cio2->pci_dev->dev;
struct v4l2_querymenu qm = { .id = V4L2_CID_LINK_FREQ };
struct v4l2_ctrl *link_freq;
s64 freq;
int r;
if (!q->sensor)
return -ENODEV;
link_freq = v4l2_ctrl_find(q->sensor->ctrl_handler, V4L2_CID_LINK_FREQ);
if (!link_freq) {
dev_err(dev, "failed to find LINK_FREQ\n");
return -EPIPE;
}
qm.index = v4l2_ctrl_g_ctrl(link_freq);
r = v4l2_querymenu(q->sensor->ctrl_handler, &qm);
if (r) {
dev_err(dev, "failed to get menu item\n");
return r;
}
if (!qm.value) {
dev_err(dev, "error invalid link_freq\n");
return -EINVAL;
freq = v4l2_get_link_rate(q->sensor->ctrl_handler, bpp, lanes);
if (freq < 0) {
dev_err(dev, "error %lld, invalid link_freq\n", freq);
return freq;
}
freq = qm.value;
timing->clk_termen = cio2_rx_timing(CIO2_CSIRX_DLY_CNT_TERMEN_CLANE_A,
CIO2_CSIRX_DLY_CNT_TERMEN_CLANE_B,
......@@ -364,7 +354,7 @@ static int cio2_hw_init(struct cio2_device *cio2, struct cio2_queue *q)
lanes = q->csi2.lanes;
r = cio2_csi2_calc_timing(cio2, q, &timing);
r = cio2_csi2_calc_timing(cio2, q, &timing, fmt->bpp, lanes);
if (r)
return r;
......
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