--- zzzz-none-000/linux-3.10.107/drivers/media/i2c/soc_camera/ov5642.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/media/i2c/soc_camera/ov5642.c 2021-02-04 17:41:59.000000000 +0000 @@ -24,7 +24,7 @@ #include #include -#include +#include #include /* OV5642 registers */ @@ -602,7 +602,7 @@ }; struct ov5642_datafmt { - enum v4l2_mbus_pixelcode code; + u32 code; enum v4l2_colorspace colorspace; }; @@ -610,6 +610,7 @@ struct v4l2_subdev subdev; const struct ov5642_datafmt *fmt; struct v4l2_rect crop_rect; + struct v4l2_clk *clk; /* blanking information */ int total_width; @@ -617,7 +618,7 @@ }; static const struct ov5642_datafmt ov5642_colour_fmts[] = { - {V4L2_MBUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_JPEG}, + {MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_JPEG}, }; static struct ov5642 *to_ov5642(const struct i2c_client *client) @@ -627,7 +628,7 @@ /* Find a data format by a pixel code in an array */ static const struct ov5642_datafmt - *ov5642_find_datafmt(enum v4l2_mbus_pixelcode code) + *ov5642_find_datafmt(u32 code) { int i; @@ -641,7 +642,7 @@ static int reg_read(struct i2c_client *client, u16 reg, u8 *val) { int ret; - /* We have 16-bit i2c addresses - care for endianess */ + /* We have 16-bit i2c addresses - care for endianness */ unsigned char data[2] = { reg >> 8, reg & 0xff }; ret = i2c_master_send(client, data, 2); @@ -785,50 +786,50 @@ return ret; } -static int ov5642_try_fmt(struct v4l2_subdev *sd, - struct v4l2_mbus_framefmt *mf) +static int ov5642_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) { + struct v4l2_mbus_framefmt *mf = &format->format; struct i2c_client *client = v4l2_get_subdevdata(sd); struct ov5642 *priv = to_ov5642(client); const struct ov5642_datafmt *fmt = ov5642_find_datafmt(mf->code); + if (format->pad) + return -EINVAL; + mf->width = priv->crop_rect.width; mf->height = priv->crop_rect.height; if (!fmt) { + if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) + return -EINVAL; mf->code = ov5642_colour_fmts[0].code; mf->colorspace = ov5642_colour_fmts[0].colorspace; } mf->field = V4L2_FIELD_NONE; + if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) + priv->fmt = ov5642_find_datafmt(mf->code); + else + cfg->try_fmt = *mf; return 0; } -static int ov5642_s_fmt(struct v4l2_subdev *sd, - struct v4l2_mbus_framefmt *mf) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct ov5642 *priv = to_ov5642(client); - - /* MIPI CSI could have changed the format, double-check */ - if (!ov5642_find_datafmt(mf->code)) - return -EINVAL; - - ov5642_try_fmt(sd, mf); - priv->fmt = ov5642_find_datafmt(mf->code); - - return 0; -} - -static int ov5642_g_fmt(struct v4l2_subdev *sd, - struct v4l2_mbus_framefmt *mf) +static int ov5642_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) { + struct v4l2_mbus_framefmt *mf = &format->format; struct i2c_client *client = v4l2_get_subdevdata(sd); struct ov5642 *priv = to_ov5642(client); const struct ov5642_datafmt *fmt = priv->fmt; + if (format->pad) + return -EINVAL; + mf->code = fmt->code; mf->colorspace = fmt->colorspace; mf->width = priv->crop_rect.width; @@ -838,30 +839,14 @@ return 0; } -static int ov5642_enum_fmt(struct v4l2_subdev *sd, unsigned int index, - enum v4l2_mbus_pixelcode *code) +static int ov5642_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) { - if (index >= ARRAY_SIZE(ov5642_colour_fmts)) + if (code->pad || code->index >= ARRAY_SIZE(ov5642_colour_fmts)) return -EINVAL; - *code = ov5642_colour_fmts[index].code; - return 0; -} - -static int ov5642_g_chip_ident(struct v4l2_subdev *sd, - struct v4l2_dbg_chip_ident *id) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR) - return -EINVAL; - - if (id->match.addr != client->addr) - return -ENODEV; - - id->ident = V4L2_IDENT_OV5642; - id->revision = 0; - + code->code = ov5642_colour_fmts[code->index].code; return 0; } @@ -935,12 +920,13 @@ { struct i2c_client *client = v4l2_get_subdevdata(sd); struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); + struct ov5642 *priv = to_ov5642(client); int ret; if (!on) - return soc_camera_power_off(&client->dev, ssdd); + return soc_camera_power_off(&client->dev, ssdd, priv->clk); - ret = soc_camera_power_on(&client->dev, ssdd); + ret = soc_camera_power_on(&client->dev, ssdd, priv->clk); if (ret < 0) return ret; @@ -954,19 +940,20 @@ } static struct v4l2_subdev_video_ops ov5642_subdev_video_ops = { - .s_mbus_fmt = ov5642_s_fmt, - .g_mbus_fmt = ov5642_g_fmt, - .try_mbus_fmt = ov5642_try_fmt, - .enum_mbus_fmt = ov5642_enum_fmt, .s_crop = ov5642_s_crop, .g_crop = ov5642_g_crop, .cropcap = ov5642_cropcap, .g_mbus_config = ov5642_g_mbus_config, }; +static const struct v4l2_subdev_pad_ops ov5642_subdev_pad_ops = { + .enum_mbus_code = ov5642_enum_mbus_code, + .get_fmt = ov5642_get_fmt, + .set_fmt = ov5642_set_fmt, +}; + static struct v4l2_subdev_core_ops ov5642_subdev_core_ops = { .s_power = ov5642_s_power, - .g_chip_ident = ov5642_g_chip_ident, #ifdef CONFIG_VIDEO_ADV_DEBUG .g_register = ov5642_get_register, .s_register = ov5642_set_register, @@ -976,6 +963,7 @@ static struct v4l2_subdev_ops ov5642_subdev_ops = { .core = &ov5642_subdev_core_ops, .video = &ov5642_subdev_video_ops, + .pad = &ov5642_subdev_pad_ops, }; static int ov5642_video_probe(struct i2c_client *client) @@ -1021,6 +1009,7 @@ { struct ov5642 *priv; struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); + int ret; if (!ssdd) { dev_err(&client->dev, "OV5642: missing platform data!\n"); @@ -1042,13 +1031,23 @@ priv->total_width = OV5642_DEFAULT_WIDTH + BLANKING_EXTRA_WIDTH; priv->total_height = BLANKING_MIN_HEIGHT; - return ov5642_video_probe(client); + priv->clk = v4l2_clk_get(&client->dev, "mclk"); + if (IS_ERR(priv->clk)) + return PTR_ERR(priv->clk); + + ret = ov5642_video_probe(client); + if (ret < 0) + v4l2_clk_put(priv->clk); + + return ret; } static int ov5642_remove(struct i2c_client *client) { struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); + struct ov5642 *priv = to_ov5642(client); + v4l2_clk_put(priv->clk); if (ssdd->free_bus) ssdd->free_bus(ssdd);