Hi Sakari, Thank you for the review. On Tue, Nov 5, 2013 at 6:21 PM, Sakari Ailus <sakari.ailus@xxxxxx> wrote: > Hi Arun, > > On Tue, Nov 05, 2013 at 11:42:34AM +0530, Arun Kumar K wrote: >> This patch adds all the common header files used by the fimc-is >> driver. It includes the commands for interfacing with the firmware >> and error codes from IS firmware, metadata and command parameter >> definitions. >> >> Signed-off-by: Arun Kumar K <arun.kk@xxxxxxxxxxx> >> Signed-off-by: Kilyeon Im <kilyeon.im@xxxxxxxxxxx> >> Reviewed-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> >> --- >> drivers/media/platform/exynos5-is/fimc-is-cmd.h | 187 ++++ >> drivers/media/platform/exynos5-is/fimc-is-err.h | 257 +++++ >> .../media/platform/exynos5-is/fimc-is-metadata.h | 767 +++++++++++++ >> drivers/media/platform/exynos5-is/fimc-is-param.h | 1159 ++++++++++++++++++++ >> 4 files changed, 2370 insertions(+) >> create mode 100644 drivers/media/platform/exynos5-is/fimc-is-cmd.h >> create mode 100644 drivers/media/platform/exynos5-is/fimc-is-err.h >> create mode 100644 drivers/media/platform/exynos5-is/fimc-is-metadata.h >> create mode 100644 drivers/media/platform/exynos5-is/fimc-is-param.h >> >> diff --git a/drivers/media/platform/exynos5-is/fimc-is-cmd.h b/drivers/media/platform/exynos5-is/fimc-is-cmd.h >> new file mode 100644 >> index 0000000..6250280 >> --- /dev/null >> +++ b/drivers/media/platform/exynos5-is/fimc-is-cmd.h >> @@ -0,0 +1,187 @@ >> +/* [snip] >> +struct is_common_reg { >> + u32 hicmd; >> + u32 hic_sensorid; >> + u32 hic_param[4]; >> + >> + u32 reserved1[3]; >> + >> + u32 ihcmd_iflag; >> + u32 ihcmd; >> + u32 ihc_sensorid; >> + u32 ihc_param[4]; >> + >> + u32 reserved2[3]; >> + >> + u32 isp_bayer_iflag; >> + u32 isp_bayer_sensor_id; >> + u32 isp_bayer_param[2]; >> + >> + u32 reserved3[4]; >> + >> + u32 scc_iflag; >> + u32 scc_sensor_id; >> + u32 scc_param[3]; >> + >> + u32 reserved4[3]; >> + >> + u32 dnr_iflag; >> + u32 dnr_sensor_id; >> + u32 dnr_param[2]; >> + >> + u32 reserved5[4]; >> + >> + u32 scp_iflag; >> + u32 scp_sensor_id; >> + u32 scp_param[3]; >> + >> + u32 reserved6[1]; >> + >> + u32 isp_yuv_iflag; >> + u32 isp_yuv_sensor_id; >> + u32 isp_yuv_param[2]; >> + >> + u32 reserved7[1]; >> + >> + u32 shot_iflag; >> + u32 shot_sensor_id; >> + u32 shot_param[2]; >> + >> + u32 reserved8[1]; >> + >> + u32 meta_iflag; >> + u32 meta_sensor_id; >> + u32 meta_param1; >> + >> + u32 reserved9[1]; >> + >> + u32 fcount; > > If these structs define an interface that's not used by the driver only it > might be a good idea to use __packed to ensure no padding is added. > The same structure is used as is in the firmware code and so it is retained in the driver. >> +}; >> + >> +struct is_mcuctl_reg { >> + u32 mcuctl; >> + u32 bboar; >> + >> + u32 intgr0; >> + u32 intcr0; >> + u32 intmr0; >> + u32 intsr0; >> + u32 intmsr0; >> + >> + u32 intgr1; >> + u32 intcr1; >> + u32 intmr1; >> + u32 intsr1; >> + u32 intmsr1; >> + >> + u32 intcr2; >> + u32 intmr2; >> + u32 intsr2; >> + u32 intmsr2; >> + >> + u32 gpoctrl; >> + u32 cpoenctlr; >> + u32 gpictlr; >> + >> + u32 pad[0xD]; >> + >> + struct is_common_reg common_reg; >> +}; >> +#endif > ... >> diff --git a/drivers/media/platform/exynos5-is/fimc-is-metadata.h b/drivers/media/platform/exynos5-is/fimc-is-metadata.h >> new file mode 100644 >> index 0000000..02367c4 >> --- /dev/null >> +++ b/drivers/media/platform/exynos5-is/fimc-is-metadata.h >> @@ -0,0 +1,767 @@ >> +/* >> + * Samsung EXYNOS5 FIMC-IS (Imaging Subsystem) driver >> + * >> + * Copyright (C) 2013 Samsung Electronics Co., Ltd. >> + * Kil-yeon Lim <kilyeon.im@xxxxxxxxxxx> >> + * Arun Kumar K <arun.kk@xxxxxxxxxxx> >> + * >> + * This program is free software; you can redistribute it and/or modify >> + * it under the terms of the GNU General Public License version 2 as >> + * published by the Free Software Foundation. >> + */ >> + >> +#ifndef FIMC_IS_METADATA_H_ >> +#define FIMC_IS_METADATA_H_ >> + >> +struct rational { >> + uint32_t num; >> + uint32_t den; >> +}; >> + >> +#define CAMERA2_MAX_AVAILABLE_MODE 21 >> +#define CAMERA2_MAX_FACES 16 >> + >> +/* >> + * Controls/dynamic metadata >> + */ >> + >> +enum metadata_mode { >> + METADATA_MODE_NONE, >> + METADATA_MODE_FULL >> +}; >> + >> +struct camera2_request_ctl { >> + uint32_t id; >> + enum metadata_mode metadatamode; >> + uint8_t outputstreams[16]; >> + uint32_t framecount; >> +}; >> + >> +struct camera2_request_dm { >> + uint32_t id; >> + enum metadata_mode metadatamode; >> + uint32_t framecount; >> +}; >> + >> + >> + >> +enum optical_stabilization_mode { >> + OPTICAL_STABILIZATION_MODE_OFF, >> + OPTICAL_STABILIZATION_MODE_ON >> +}; >> + >> +enum lens_facing { >> + LENS_FACING_BACK, >> + LENS_FACING_FRONT >> +}; >> + >> +struct camera2_lens_ctl { >> + uint32_t focus_distance; >> + float aperture; > > Floating point numbers? Really? :-) > Yes as mentioned, the same structure is used by the firmware and so it is used as is in the kernel. Regards Arun -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html