--- zzzz-none-000/linux-3.10.107/drivers/media/i2c/soc_camera/imx074.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/media/i2c/soc_camera/imx074.c 2021-02-04 17:41:59.000000000 +0000 @@ -18,8 +18,9 @@ #include #include +#include +#include #include -#include /* IMX074 registers */ @@ -70,17 +71,18 @@ /* IMX074 has only one fixed colorspace per pixelcode */ struct imx074_datafmt { - enum v4l2_mbus_pixelcode code; + u32 code; enum v4l2_colorspace colorspace; }; struct imx074 { struct v4l2_subdev subdev; const struct imx074_datafmt *fmt; + struct v4l2_clk *clk; }; static const struct imx074_datafmt imx074_colour_fmts[] = { - {V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB}, }; static struct imx074 *to_imx074(const struct i2c_client *client) @@ -89,7 +91,7 @@ } /* Find a data format by a pixel code in an array */ -static const struct imx074_datafmt *imx074_find_datafmt(enum v4l2_mbus_pixelcode code) +static const struct imx074_datafmt *imx074_find_datafmt(u32 code) { int i; @@ -151,14 +153,24 @@ return buf[0] & 0xff; /* no sign-extension */ } -static int imx074_try_fmt(struct v4l2_subdev *sd, - struct v4l2_mbus_framefmt *mf) +static int imx074_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) { + struct v4l2_mbus_framefmt *mf = &format->format; const struct imx074_datafmt *fmt = imx074_find_datafmt(mf->code); + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct imx074 *priv = to_imx074(client); + + if (format->pad) + return -EINVAL; dev_dbg(sd->v4l2_dev->dev, "%s(%u)\n", __func__, mf->code); if (!fmt) { + /* MIPI CSI could have changed the format, double-check */ + if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) + return -EINVAL; mf->code = imx074_colour_fmts[0].code; mf->colorspace = imx074_colour_fmts[0].colorspace; } @@ -167,36 +179,27 @@ mf->height = IMX074_HEIGHT; mf->field = V4L2_FIELD_NONE; - return 0; -} - -static int imx074_s_fmt(struct v4l2_subdev *sd, - struct v4l2_mbus_framefmt *mf) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct imx074 *priv = to_imx074(client); - - dev_dbg(sd->v4l2_dev->dev, "%s(%u)\n", __func__, mf->code); - - /* MIPI CSI could have changed the format, double-check */ - if (!imx074_find_datafmt(mf->code)) - return -EINVAL; - - imx074_try_fmt(sd, mf); - - priv->fmt = imx074_find_datafmt(mf->code); + if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) + priv->fmt = imx074_find_datafmt(mf->code); + else + cfg->try_fmt = *mf; return 0; } -static int imx074_g_fmt(struct v4l2_subdev *sd, - struct v4l2_mbus_framefmt *mf) +static int imx074_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 imx074 *priv = to_imx074(client); const struct imx074_datafmt *fmt = priv->fmt; + if (format->pad) + return -EINVAL; + mf->code = fmt->code; mf->colorspace = fmt->colorspace; mf->width = IMX074_WIDTH; @@ -233,13 +236,15 @@ return 0; } -static int imx074_enum_fmt(struct v4l2_subdev *sd, unsigned int index, - enum v4l2_mbus_pixelcode *code) +static int imx074_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) { - if ((unsigned int)index >= ARRAY_SIZE(imx074_colour_fmts)) + if (code->pad || + (unsigned int)code->index >= ARRAY_SIZE(imx074_colour_fmts)) return -EINVAL; - *code = imx074_colour_fmts[index].code; + code->code = imx074_colour_fmts[code->index].code; return 0; } @@ -251,29 +256,13 @@ return reg_write(client, MODE_SELECT, !!enable); } -static int imx074_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_IMX074; - id->revision = 0; - - return 0; -} - static int imx074_s_power(struct v4l2_subdev *sd, int on) { struct i2c_client *client = v4l2_get_subdevdata(sd); struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); + struct imx074 *priv = to_imx074(client); - return soc_camera_set_power(&client->dev, ssdd, on); + return soc_camera_set_power(&client->dev, ssdd, priv->clk, on); } static int imx074_g_mbus_config(struct v4l2_subdev *sd, @@ -289,23 +278,25 @@ static struct v4l2_subdev_video_ops imx074_subdev_video_ops = { .s_stream = imx074_s_stream, - .s_mbus_fmt = imx074_s_fmt, - .g_mbus_fmt = imx074_g_fmt, - .try_mbus_fmt = imx074_try_fmt, - .enum_mbus_fmt = imx074_enum_fmt, .g_crop = imx074_g_crop, .cropcap = imx074_cropcap, .g_mbus_config = imx074_g_mbus_config, }; static struct v4l2_subdev_core_ops imx074_subdev_core_ops = { - .g_chip_ident = imx074_g_chip_ident, .s_power = imx074_s_power, }; +static const struct v4l2_subdev_pad_ops imx074_subdev_pad_ops = { + .enum_mbus_code = imx074_enum_mbus_code, + .get_fmt = imx074_get_fmt, + .set_fmt = imx074_set_fmt, +}; + static struct v4l2_subdev_ops imx074_subdev_ops = { .core = &imx074_subdev_core_ops, .video = &imx074_subdev_video_ops, + .pad = &imx074_subdev_pad_ops, }; static int imx074_video_probe(struct i2c_client *client) @@ -431,6 +422,7 @@ struct imx074 *priv; struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); + int ret; if (!ssdd) { dev_err(&client->dev, "IMX074: missing platform data!\n"); @@ -451,12 +443,37 @@ priv->fmt = &imx074_colour_fmts[0]; - return imx074_video_probe(client); + priv->clk = v4l2_clk_get(&client->dev, "mclk"); + if (IS_ERR(priv->clk)) { + dev_info(&client->dev, "Error %ld getting clock\n", PTR_ERR(priv->clk)); + return -EPROBE_DEFER; + } + + ret = soc_camera_power_init(&client->dev, ssdd); + if (ret < 0) + goto epwrinit; + + ret = imx074_video_probe(client); + if (ret < 0) + goto eprobe; + + ret = v4l2_async_register_subdev(&priv->subdev); + if (!ret) + return 0; + +epwrinit: +eprobe: + v4l2_clk_put(priv->clk); + return ret; } static int imx074_remove(struct i2c_client *client) { struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); + struct imx074 *priv = to_imx074(client); + + v4l2_async_unregister_subdev(&priv->subdev); + v4l2_clk_put(priv->clk); if (ssdd->free_bus) ssdd->free_bus(ssdd);