/* SPDX-License-Identifier: GPL-2.0-only */ /* * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver * * Copyright (C) 2013 Samsung Electronics Co., Ltd. * * Authors: Younghwan Joo <[email protected]> * Sylwester Nawrocki <[email protected]> */ #ifndef FIMC_IS_H_ #define FIMC_IS_H_ #include <asm/barrier.h> #include <linux/clk.h> #include <linux/device.h> #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/sizes.h> #include <linux/spinlock.h> #include <linux/types.h> #include <media/videobuf2-v4l2.h> #include <media/v4l2-ctrls.h> #include "fimc-isp.h" #include "fimc-is-command.h" #include "fimc-is-sensor.h" #include "fimc-is-param.h" #include "fimc-is-regs.h" #define FIMC_IS_DRV_NAME … #define FIMC_IS_FW_FILENAME … #define FIMC_IS_SETFILE_6A3 … #define FIMC_IS_FW_LOAD_TIMEOUT … #define FIMC_IS_POWER_ON_TIMEOUT … #define FIMC_IS_SENSORS_NUM … /* Memory definitions */ #define FIMC_IS_CPU_MEM_SIZE … #define FIMC_IS_CPU_BASE_MASK … #define FIMC_IS_REGION_SIZE … #define FIMC_IS_DEBUG_REGION_OFFSET … #define FIMC_IS_SHARED_REGION_OFFSET … #define FIMC_IS_FW_INFO_LEN … #define FIMC_IS_FW_VER_LEN … #define FIMC_IS_FW_DESC_LEN … #define FIMC_IS_SETFILE_INFO_LEN … #define FIMC_IS_EXTRA_MEM_SIZE … #define FIMC_IS_EXTRA_FW_SIZE … #define FIMC_IS_EXTRA_SETFILE_SIZE … /* TODO: revisit */ #define FIMC_IS_FW_ADDR_MASK … #define FIMC_IS_FW_SIZE_MAX … #define FIMC_IS_FW_SIZE_MIN … #define ATCLK_MCUISP_FREQUENCY … #define ACLK_AXI_FREQUENCY … enum { … }; /* The driver's internal state flags */ enum { … }; enum af_state { … }; enum af_lock_state { … }; enum ae_lock_state { … }; enum awb_lock_state { … }; enum { … }; struct is_setfile { … }; struct is_fd_result_header { … }; struct is_af_info { … }; struct fimc_is_firmware { … }; struct fimc_is_memory { … }; #define FIMC_IS_I2H_MAX_ARGS … struct i2h_cmd { … }; struct h2i_cmd { … }; #define FIMC_IS_DEBUG_MSG … #define FIMC_IS_DEBUG_LEVEL … struct fimc_is_setfile { … }; struct chain_config { … }; /** * struct fimc_is - fimc-is data structure * @pdev: pointer to FIMC-IS platform device * @v4l2_dev: pointer to the top level v4l2_device * @fw: data structure describing the FIMC-IS firmware binary * @memory: memory region assigned for the FIMC-IS (firmware) * @isp: the ISP block data structure * @sensor: fimc-is sensor subdevice array * @setfile: descriptor of the imaging pipeline calibration data * @ctrl_handler: the v4l2 controls handler * @lock: mutex serializing video device and the subdev operations * @slock: spinlock protecting this data structure and the hw registers * @clocks: FIMC-LITE gate clock * @regs: MCUCTL mmapped registers region * @pmu_regs: PMU ISP mmapped registers region * @irq: FIMC-IS interrupt * @irq_queue: interrupt handling waitqueue * @lpm: low power mode flag * @state: internal driver's state flags * @sensor_index: image sensor index for the firmware * @i2h_cmd: FIMC-IS to the host (CPU) mailbox command data structure * @h2i_cmd: the host (CPU) to FIMC-IS mailbox command data structure * @fd_header: the face detection result data structure * @config: shared HW pipeline configuration data * @config_index: index to the @config entry currently in use * @is_p_region: pointer to the shared parameter memory region * @is_dma_p_region: DMA address of the shared parameter memory region * @is_shared_region: pointer to the IS shared region data structure * @af: auto focus data * @debugfs_entry: debugfs entry for the firmware log */ struct fimc_is { … }; static inline struct fimc_is *fimc_isp_to_is(struct fimc_isp *isp) { … } static inline struct chain_config *__get_curr_is_config(struct fimc_is *is) { … } static inline void fimc_is_mem_barrier(void) { … } static inline void fimc_is_set_param_bit(struct fimc_is *is, int num) { … } static inline void fimc_is_set_param_ctrl_cmd(struct fimc_is *is, int cmd) { … } static inline void mcuctl_write(u32 v, struct fimc_is *is, unsigned int offset) { … } static inline u32 mcuctl_read(struct fimc_is *is, unsigned int offset) { … } static inline void pmuisp_write(u32 v, struct fimc_is *is, unsigned int offset) { … } static inline u32 pmuisp_read(struct fimc_is *is, unsigned int offset) { … } int fimc_is_wait_event(struct fimc_is *is, unsigned long bit, unsigned int state, unsigned int timeout); int fimc_is_cpu_set_power(struct fimc_is *is, int on); int fimc_is_start_firmware(struct fimc_is *is); int fimc_is_hw_initialize(struct fimc_is *is); void fimc_is_log_dump(const char *level, const void *buf, size_t len); #endif /* FIMC_IS_H_ */
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