From 3d0ce7ed037af9bafec498246d0e4af8302d993a Mon Sep 17 00:00:00 2001 From: Sylwester Nawrocki Date: Mon, 27 Dec 2010 15:02:16 -0300 Subject: [PATCH] [media] s5p-fimc: Derive camera bus width from mediabus pixelcode Remove bus_width from s5p_fimc_isp_info data structure. Determine camera data bus width based on mediabus pixel format. Signed-off-by: Sylwester Nawrocki Signed-off-by: Kyungmin Park Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/s5p-fimc/fimc-reg.c | 49 ++++++++++++++++++--------------- include/media/s5p_fimc.h | 2 -- 2 files changed, 27 insertions(+), 24 deletions(-) diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c index ae33bc1..6366011 100644 --- a/drivers/media/video/s5p-fimc/fimc-reg.c +++ b/drivers/media/video/s5p-fimc/fimc-reg.c @@ -561,37 +561,42 @@ int fimc_hw_set_camera_source(struct fimc_dev *fimc, { struct fimc_frame *f = &fimc->vid_cap.ctx->s_frame; u32 cfg = 0; + u32 bus_width; + int i; + + static const struct { + u32 pixelcode; + u32 cisrcfmt; + u16 bus_width; + } pix_desc[] = { + { V4L2_MBUS_FMT_YUYV8_2X8, S5P_CISRCFMT_ORDER422_YCBYCR, 8 }, + { V4L2_MBUS_FMT_YVYU8_2X8, S5P_CISRCFMT_ORDER422_YCRYCB, 8 }, + { V4L2_MBUS_FMT_VYUY8_2X8, S5P_CISRCFMT_ORDER422_CRYCBY, 8 }, + { V4L2_MBUS_FMT_UYVY8_2X8, S5P_CISRCFMT_ORDER422_CBYCRY, 8 }, + /* TODO: Add pixel codes for 16-bit bus width */ + }; if (cam->bus_type == FIMC_ITU_601 || cam->bus_type == FIMC_ITU_656) { + for (i = 0; i < ARRAY_SIZE(pix_desc); i++) { + if (fimc->vid_cap.fmt.code == pix_desc[i].pixelcode) { + cfg = pix_desc[i].cisrcfmt; + bus_width = pix_desc[i].bus_width; + break; + } + } - switch (fimc->vid_cap.fmt.code) { - case V4L2_MBUS_FMT_YUYV8_2X8: - cfg = S5P_CISRCFMT_ORDER422_YCBYCR; - break; - case V4L2_MBUS_FMT_YVYU8_2X8: - cfg = S5P_CISRCFMT_ORDER422_YCRYCB; - break; - case V4L2_MBUS_FMT_VYUY8_2X8: - cfg = S5P_CISRCFMT_ORDER422_CRYCBY; - break; - case V4L2_MBUS_FMT_UYVY8_2X8: - cfg = S5P_CISRCFMT_ORDER422_CBYCRY; - break; - default: - err("camera image format not supported: %d", - fimc->vid_cap.fmt.code); + if (i == ARRAY_SIZE(pix_desc)) { + v4l2_err(&fimc->vid_cap.v4l2_dev, + "Camera color format not supported: %d\n", + fimc->vid_cap.fmt.code); return -EINVAL; } if (cam->bus_type == FIMC_ITU_601) { - if (cam->bus_width == 8) { + if (bus_width == 8) cfg |= S5P_CISRCFMT_ITU601_8BIT; - } else if (cam->bus_width == 16) { + else if (bus_width == 16) cfg |= S5P_CISRCFMT_ITU601_16BIT; - } else { - err("invalid bus width: %d", cam->bus_width); - return -EINVAL; - } } /* else defaults to ITU-R BT.656 8-bit */ } diff --git a/include/media/s5p_fimc.h b/include/media/s5p_fimc.h index eb8793f..d30b9dee 100644 --- a/include/media/s5p_fimc.h +++ b/include/media/s5p_fimc.h @@ -34,7 +34,6 @@ struct i2c_board_info; * @bus_type: determines bus type, MIPI, ITU-R BT.601 etc. * @i2c_bus_num: i2c control bus id the sensor is attached to * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU) - * @bus_width: camera data bus width in bits * @flags: flags defining bus signals polarity inversion (High by default) */ struct s5p_fimc_isp_info { @@ -42,7 +41,6 @@ struct s5p_fimc_isp_info { enum cam_bus_type bus_type; u16 i2c_bus_num; u16 mux_id; - u16 bus_width; u16 flags; }; -- 2.7.4