AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-16 07:46:51 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

media: i2c: imx219: Add support for RAW8 bit bayer format

Browse Source 
IMX219 sensor is capable for RAW8/RAW10 modes. This commit adds support
for RAW8 bayer format.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Lad Prabhakar 2020-03-10 14:17:08 +01:00 committed by Mauro Carvalho Chehab
parent ca45448a56
commit 22da1d56e9
1 changed files with 116 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

148
drivers/media/i2c/imx219.c
View File

@ -168,15 +168,12 @@ static const struct imx219_reg mode_3280x2464_regs[] = {
{0x0171, 0x01}, {0x0171, 0x01},
{0x0174, 0x00}, {0x0174, 0x00},
{0x0175, 0x00}, {0x0175, 0x00},
{0x018c, 0x0a},
{0x018d, 0x0a},
{0x0301, 0x05}, {0x0301, 0x05},
{0x0303, 0x01}, {0x0303, 0x01},
{0x0304, 0x03}, {0x0304, 0x03},
{0x0305, 0x03}, {0x0305, 0x03},
{0x0306, 0x00}, {0x0306, 0x00},
{0x0307, 0x39}, {0x0307, 0x39},
{0x0309, 0x0a},
{0x030b, 0x01}, {0x030b, 0x01},
{0x030c, 0x00}, {0x030c, 0x00},
{0x030d, 0x72}, {0x030d, 0x72},
@ -230,15 +227,12 @@ static const struct imx219_reg mode_1920_1080_regs[] = {
{0x0171, 0x01}, {0x0171, 0x01},
{0x0174, 0x00}, {0x0174, 0x00},
{0x0175, 0x00}, {0x0175, 0x00},
{0x018c, 0x0a},
{0x018d, 0x0a},
{0x0301, 0x05}, {0x0301, 0x05},
{0x0303, 0x01}, {0x0303, 0x01},
{0x0304, 0x03}, {0x0304, 0x03},
{0x0305, 0x03}, {0x0305, 0x03},
{0x0306, 0x00}, {0x0306, 0x00},
{0x0307, 0x39}, {0x0307, 0x39},
{0x0309, 0x0a},
{0x030b, 0x01}, {0x030b, 0x01},
{0x030c, 0x00}, {0x030c, 0x00},
{0x030d, 0x72}, {0x030d, 0x72},
@ -290,15 +284,12 @@ static const struct imx219_reg mode_1640_1232_regs[] = {
{0x0171, 0x01}, {0x0171, 0x01},
{0x0174, 0x01}, {0x0174, 0x01},
{0x0175, 0x01}, {0x0175, 0x01},
{0x018c, 0x0a},
{0x018d, 0x0a},
{0x0301, 0x05}, {0x0301, 0x05},
{0x0303, 0x01}, {0x0303, 0x01},
{0x0304, 0x03}, {0x0304, 0x03},
{0x0305, 0x03}, {0x0305, 0x03},
{0x0306, 0x00}, {0x0306, 0x00},
{0x0307, 0x39}, {0x0307, 0x39},
{0x0309, 0x0a},
{0x030b, 0x01}, {0x030b, 0x01},
{0x030c, 0x00}, {0x030c, 0x00},
{0x030d, 0x72}, {0x030d, 0x72},
@ -322,6 +313,18 @@ static const struct imx219_reg mode_1640_1232_regs[] = {
{0x0163, 0x78}, {0x0163, 0x78},
}; };
static const struct imx219_reg raw8_framefmt_regs[] = {
{0x018c, 0x08},
{0x018d, 0x08},
{0x0309, 0x08},
};
static const struct imx219_reg raw10_framefmt_regs[] = {
{0x018c, 0x0a},
{0x018d, 0x0a},
{0x0309, 0x0a},
};
static const char * const imx219_test_pattern_menu[] = { static const char * const imx219_test_pattern_menu[] = {
"Disabled", "Disabled",
"Color Bars", "Color Bars",
@ -348,6 +351,27 @@ static const char * const imx219_supply_name[] = {
#define IMX219_NUM_SUPPLIES ARRAY_SIZE(imx219_supply_name) #define IMX219_NUM_SUPPLIES ARRAY_SIZE(imx219_supply_name)
/*
* The supported formats.
* This table MUST contain 4 entries per format, to cover the various flip
* combinations in the order
* - no flip
* - h flip
* - v flip
* - h&v flips
*/
static const u32 codes[] = {
MEDIA_BUS_FMT_SRGGB10_1X10,
MEDIA_BUS_FMT_SGRBG10_1X10,
MEDIA_BUS_FMT_SGBRG10_1X10,
MEDIA_BUS_FMT_SBGGR10_1X10,
MEDIA_BUS_FMT_SRGGB8_1X8,
MEDIA_BUS_FMT_SGRBG8_1X8,
MEDIA_BUS_FMT_SGBRG8_1X8,
MEDIA_BUS_FMT_SBGGR8_1X8,
};
/* /*
* Initialisation delay between XCLR low->high and the moment when the sensor * Initialisation delay between XCLR low->high and the moment when the sensor
* can start capture (i.e. can leave software stanby) must be not less than: * can start capture (i.e. can leave software stanby) must be not less than:
@ -413,6 +437,8 @@ struct imx219 {
struct v4l2_subdev sd; struct v4l2_subdev sd;
struct media_pad pad; struct media_pad pad;
struct v4l2_mbus_framefmt fmt;
struct clk *xclk; /* system clock to IMX219 */ struct clk *xclk; /* system clock to IMX219 */
u32 xclk_freq; u32 xclk_freq;
@ -519,19 +545,40 @@ static int imx219_write_regs(struct imx219 *imx219,
} }
/* Get bayer order based on flip setting. */ /* Get bayer order based on flip setting. */
static u32 imx219_get_format_code(struct imx219 *imx219) static u32 imx219_get_format_code(struct imx219 *imx219, u32 code)
{ {
/* unsigned int i;
* Only one bayer order is supported.
* It depends on the flip settings.
*/
static const u32 codes[2][2] = {
{ MEDIA_BUS_FMT_SRGGB10_1X10, MEDIA_BUS_FMT_SGRBG10_1X10, },
{ MEDIA_BUS_FMT_SGBRG10_1X10, MEDIA_BUS_FMT_SBGGR10_1X10, },
};
lockdep_assert_held(&imx219->mutex); lockdep_assert_held(&imx219->mutex);
return codes[imx219->vflip->val][imx219->hflip->val];
for (i = 0; i < ARRAY_SIZE(codes); i++)
if (codes[i] == code)
break;
if (i >= ARRAY_SIZE(codes))
i = 0;
i = (i & ~3) | (imx219->vflip->val ? 2 : 0) |
(imx219->hflip->val ? 1 : 0);
return codes[i];
}
static void imx219_set_default_format(struct imx219 *imx219)
{
struct v4l2_mbus_framefmt *fmt;
fmt = &imx219->fmt;
fmt->code = MEDIA_BUS_FMT_SRGGB10_1X10;
fmt->colorspace = V4L2_COLORSPACE_SRGB;
fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace);
fmt->quantization = V4L2_MAP_QUANTIZATION_DEFAULT(true,
fmt->colorspace,
fmt->ycbcr_enc);
fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace);
fmt->width = supported_modes[0].width;
fmt->height = supported_modes[0].height;
fmt->field = V4L2_FIELD_NONE;
} }
static int imx219_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) static int imx219_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
@ -545,7 +592,8 @@ static int imx219_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
/* Initialize try_fmt */ /* Initialize try_fmt */
try_fmt->width = supported_modes[0].width; try_fmt->width = supported_modes[0].width;
try_fmt->height = supported_modes[0].height; try_fmt->height = supported_modes[0].height;
try_fmt->code = imx219_get_format_code(imx219); try_fmt->code = imx219_get_format_code(imx219,
MEDIA_BUS_FMT_SRGGB10_1X10);
try_fmt->field = V4L2_FIELD_NONE; try_fmt->field = V4L2_FIELD_NONE;
mutex_unlock(&imx219->mutex); mutex_unlock(&imx219->mutex);
@ -648,14 +696,10 @@ static int imx219_enum_mbus_code(struct v4l2_subdev *sd,
{ {
struct imx219 *imx219 = to_imx219(sd); struct imx219 *imx219 = to_imx219(sd);
/* if (code->index >= (ARRAY_SIZE(codes) / 4))
* Only one bayer order is supported (though it depends on the flip
* settings)
*/
if (code->index > 0)
return -EINVAL; return -EINVAL;
code->code = imx219_get_format_code(imx219); code->code = imx219_get_format_code(imx219, codes[code->index * 4]);
return 0; return 0;
} }
@ -669,7 +713,7 @@ static int imx219_enum_frame_size(struct v4l2_subdev *sd,
if (fse->index >= ARRAY_SIZE(supported_modes)) if (fse->index >= ARRAY_SIZE(supported_modes))
return -EINVAL; return -EINVAL;
if (fse->code != imx219_get_format_code(imx219)) if (fse->code != imx219_get_format_code(imx219, imx219->fmt.code))
return -EINVAL; return -EINVAL;
fse->min_width = supported_modes[fse->index].width; fse->min_width = supported_modes[fse->index].width;
@ -696,9 +740,7 @@ static void imx219_update_pad_format(struct imx219 *imx219,
{ {
fmt->format.width = mode->width; fmt->format.width = mode->width;
fmt->format.height = mode->height; fmt->format.height = mode->height;
fmt->format.code = imx219_get_format_code(imx219);
fmt->format.field = V4L2_FIELD_NONE; fmt->format.field = V4L2_FIELD_NONE;
imx219_reset_colorspace(&fmt->format); imx219_reset_colorspace(&fmt->format);
} }
@ -710,10 +752,12 @@ static int __imx219_get_pad_format(struct imx219 *imx219,
struct v4l2_mbus_framefmt *try_fmt = struct v4l2_mbus_framefmt *try_fmt =
v4l2_subdev_get_try_format(&imx219->sd, cfg, fmt->pad); v4l2_subdev_get_try_format(&imx219->sd, cfg, fmt->pad);
/* update the code which could change due to vflip or hflip: */ /* update the code which could change due to vflip or hflip: */
try_fmt->code = imx219_get_format_code(imx219); try_fmt->code = imx219_get_format_code(imx219, try_fmt->code);
fmt->format = *try_fmt; fmt->format = *try_fmt;
} else { } else {
imx219_update_pad_format(imx219, imx219->mode, fmt); imx219_update_pad_format(imx219, imx219->mode, fmt);
fmt->format.code = imx219_get_format_code(imx219,
imx219->fmt.code);
} }
return 0; return 0;
@ -741,11 +785,18 @@ static int imx219_set_pad_format(struct v4l2_subdev *sd,
const struct imx219_mode *mode; const struct imx219_mode *mode;
struct v4l2_mbus_framefmt *framefmt; struct v4l2_mbus_framefmt *framefmt;
int exposure_max, exposure_def, hblank; int exposure_max, exposure_def, hblank;
unsigned int i;
mutex_lock(&imx219->mutex); mutex_lock(&imx219->mutex);
for (i = 0; i < ARRAY_SIZE(codes); i++)
if (codes[i] == fmt->format.code)
break;
if (i >= ARRAY_SIZE(codes))
i = 0;
/* Bayer order varies with flips */ /* Bayer order varies with flips */
fmt->format.code = imx219_get_format_code(imx219); fmt->format.code = imx219_get_format_code(imx219, codes[i]);
mode = v4l2_find_nearest_size(supported_modes, mode = v4l2_find_nearest_size(supported_modes,
ARRAY_SIZE(supported_modes), ARRAY_SIZE(supported_modes),
@ -755,7 +806,9 @@ static int imx219_set_pad_format(struct v4l2_subdev *sd,
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
framefmt = v4l2_subdev_get_try_format(sd, cfg, fmt->pad); framefmt = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
*framefmt = fmt->format; *framefmt = fmt->format;
} else if (imx219->mode != mode) { } else if (imx219->mode != mode ||
imx219->fmt.code != fmt->format.code) {
imx219->fmt = fmt->format;
imx219->mode = mode; imx219->mode = mode;
/* Update limits and set FPS to default */ /* Update limits and set FPS to default */
__v4l2_ctrl_modify_range(imx219->vblank, IMX219_VBLANK_MIN, __v4l2_ctrl_modify_range(imx219->vblank, IMX219_VBLANK_MIN,
@ -786,6 +839,27 @@ static int imx219_set_pad_format(struct v4l2_subdev *sd,
return 0; return 0;
} }
static int imx219_set_framefmt(struct imx219 *imx219)
{
switch (imx219->fmt.code) {
case MEDIA_BUS_FMT_SRGGB8_1X8:
case MEDIA_BUS_FMT_SGRBG8_1X8:
case MEDIA_BUS_FMT_SGBRG8_1X8:
case MEDIA_BUS_FMT_SBGGR8_1X8:
return imx219_write_regs(imx219, raw8_framefmt_regs,
ARRAY_SIZE(raw8_framefmt_regs));
case MEDIA_BUS_FMT_SRGGB10_1X10:
case MEDIA_BUS_FMT_SGRBG10_1X10:
case MEDIA_BUS_FMT_SGBRG10_1X10:
case MEDIA_BUS_FMT_SBGGR10_1X10:
return imx219_write_regs(imx219, raw10_framefmt_regs,
ARRAY_SIZE(raw10_framefmt_regs));
}
return -EINVAL;
}
static int imx219_start_streaming(struct imx219 *imx219) static int imx219_start_streaming(struct imx219 *imx219)
{ {
struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd); struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd);
@ -800,6 +874,13 @@ static int imx219_start_streaming(struct imx219 *imx219)
return ret; return ret;
} }
ret = imx219_set_framefmt(imx219);
if (ret) {
dev_err(&client->dev, "%s failed to set frame format: %d\n",
__func__, ret);
return ret;
}
/* Apply customized values from user */ /* Apply customized values from user */
ret = __v4l2_ctrl_handler_setup(imx219->sd.ctrl_handler); ret = __v4l2_ctrl_handler_setup(imx219->sd.ctrl_handler);
if (ret) if (ret)
@ -1253,6 +1334,9 @@ static int imx219_probe(struct i2c_client *client)
/* Initialize source pad */ /* Initialize source pad */
imx219->pad.flags = MEDIA_PAD_FL_SOURCE; imx219->pad.flags = MEDIA_PAD_FL_SOURCE;
/* Initialize default format */
imx219_set_default_format(imx219);
ret = media_entity_pads_init(&imx219->sd.entity, 1, &imx219->pad); ret = media_entity_pads_init(&imx219->sd.entity, 1, &imx219->pad);
if (ret) { if (ret) {
dev_err(dev, "failed to init entity pads: %d\n", ret); dev_err(dev, "failed to init entity pads: %d\n", ret);