blob: c20f0423abd47059969bba43b5a222470a341501 [file] [log] [blame]
/*
* Copyright (C) 2008-2009 QUALCOMM Incorporated.
*/
#ifndef __ASM__ARCH_CAMERA_H
#define __ASM__ARCH_CAMERA_H
#include <linux/list.h>
#include <linux/poll.h>
#include <linux/cdev.h>
#include <linux/platform_device.h>
#include "linux/types.h"
#include <mach/board.h>
#include <media/msm_camera.h>
#ifdef CONFIG_MSM_CAMERA_DEBUG
#define CDBG(fmt, args...) printk(KERN_INFO "msm_camera: " fmt, ##args)
#else
#define CDBG(fmt, args...) do { } while (0)
#endif
#define MSM_CAMERA_MSG 0
#define MSM_CAMERA_EVT 1
#define NUM_WB_EXP_NEUTRAL_REGION_LINES 4
#define NUM_WB_EXP_STAT_OUTPUT_BUFFERS 3
#define NUM_AUTOFOCUS_MULTI_WINDOW_GRIDS 16
#define NUM_AF_STAT_OUTPUT_BUFFERS 3
enum msm_queue {
MSM_CAM_Q_CTRL, /* control command or control command status */
MSM_CAM_Q_VFE_EVT, /* adsp event */
MSM_CAM_Q_VFE_MSG, /* adsp message */
MSM_CAM_Q_V4L2_REQ, /* v4l2 request */
};
enum vfe_resp_msg {
VFE_EVENT,
VFE_MSG_GENERAL,
VFE_MSG_SNAPSHOT,
VFE_MSG_OUTPUT1,
VFE_MSG_OUTPUT2,
VFE_MSG_STATS_AF,
VFE_MSG_STATS_WE,
};
struct msm_vfe_phy_info {
uint32_t sbuf_phy;
uint32_t y_phy;
uint32_t cbcr_phy;
};
struct msm_vfe_resp {
enum vfe_resp_msg type;
struct msm_vfe_evt_msg evt_msg;
struct msm_vfe_phy_info phy;
void *extdata;
int32_t extlen;
};
struct msm_vfe_callback {
void (*vfe_resp)(struct msm_vfe_resp *,
enum msm_queue, void *syncdata);
void* (*vfe_alloc)(int, void *syncdata);
};
struct msm_camvfe_fn {
int (*vfe_init)(struct msm_vfe_callback *, struct platform_device *);
int (*vfe_enable)(struct camera_enable_cmd *);
int (*vfe_config)(struct msm_vfe_cfg_cmd *, void *);
int (*vfe_disable)(struct camera_enable_cmd *,
struct platform_device *dev);
void (*vfe_release)(struct platform_device *);
};
struct msm_sensor_ctrl {
int (*s_init)(const struct msm_camera_sensor_info *);
int (*s_release)(void);
int (*s_config)(void __user *);
};
struct msm_sync {
/* These two queues are accessed from a process context only. */
struct hlist_head frame; /* most-frequently accessed */
struct hlist_head stats;
/* The message queue is used by the control thread to send commands
* to the config thread, and also by the DSP to send messages to the
* config thread. Thus it is the only queue that is accessed from
* both interrupt and process context.
*/
spinlock_t msg_event_q_lock;
struct list_head msg_event_q;
wait_queue_head_t msg_event_wait;
/* This queue contains preview frames. It is accessed by the DSP (in
* in interrupt context, and by the frame thread.
*/
spinlock_t prev_frame_q_lock;
struct list_head prev_frame_q;
wait_queue_head_t prev_frame_wait;
int unblock_poll_frame;
/* This queue contains snapshot frames. It is accessed by the DSP (in
* interrupt context, and by the control thread.
*/
spinlock_t pict_frame_q_lock;
struct list_head pict_frame_q;
wait_queue_head_t pict_frame_wait;
struct msm_camera_sensor_info *sdata;
struct msm_camvfe_fn vfefn;
struct msm_sensor_ctrl sctrl;
struct platform_device *pdev;
uint8_t opencnt;
void *cropinfo;
int croplen;
unsigned pict_pp;
const char *apps_id;
struct mutex lock;
struct list_head list;
};
#define MSM_APPS_ID_V4L2 "msm_v4l2"
#define MSM_APPS_ID_PROP "msm_qct"
struct msm_device {
struct msm_sync *sync; /* most-frequently accessed */
struct device *device;
struct cdev cdev;
/* opened is meaningful only for the config and frame nodes,
* which may be opened only once.
*/
atomic_t opened;
};
struct msm_control_device_queue {
spinlock_t ctrl_status_q_lock;
struct list_head ctrl_status_q;
wait_queue_head_t ctrl_status_wait;
};
struct msm_control_device {
struct msm_device *pmsm;
/* This queue used by the config thread to send responses back to the
* control thread. It is accessed only from a process context.
*/
struct msm_control_device_queue ctrl_q;
};
/* this structure is used in kernel */
struct msm_queue_cmd {
struct list_head list;
enum msm_queue type;
void *command;
};
struct register_address_value_pair {
uint16_t register_address;
uint16_t register_value;
};
struct msm_pmem_region {
struct hlist_node list;
int type;
void *vaddr;
unsigned long paddr;
unsigned long len;
struct file *file;
uint32_t y_off;
uint32_t cbcr_off;
int fd;
uint8_t active;
};
struct axidata {
uint32_t bufnum1;
uint32_t bufnum2;
struct msm_pmem_region *region;
};
#ifdef CONFIG_MSM_CAMERA_FLASH
int msm_camera_flash_set_led_state(unsigned led_state);
#else
static inline int msm_camera_flash_set_led_state(unsigned led_state)
{
return -ENOTSUPP;
}
#endif
/* Below functions are added for V4L2 kernel APIs */
struct msm_v4l2_driver {
struct msm_sync *sync;
int (*open)(struct msm_sync *, const char *apps_id);
int (*release)(struct msm_sync *);
int (*ctrl)(struct msm_sync *, struct msm_ctrl_cmd *);
int (*reg_pmem)(struct msm_sync *, struct msm_pmem_info *);
int (*get_frame) (struct msm_sync *, struct msm_frame *);
int (*put_frame) (struct msm_sync *, struct msm_frame *);
int (*get_pict) (struct msm_sync *, struct msm_ctrl_cmd *);
unsigned int (*drv_poll) (struct msm_sync *, struct file *,
struct poll_table_struct *);
};
int msm_v4l2_register(struct msm_v4l2_driver *);
int msm_v4l2_unregister(struct msm_v4l2_driver *);
void msm_camvfe_init(void);
int msm_camvfe_check(void *);
void msm_camvfe_fn_init(struct msm_camvfe_fn *, void *);
int msm_camera_drv_start(struct platform_device *dev,
int (*sensor_probe)(const struct msm_camera_sensor_info *,
struct msm_sensor_ctrl *));
enum msm_camio_clk_type {
CAMIO_VFE_MDC_CLK,
CAMIO_MDC_CLK,
CAMIO_VFE_CLK,
CAMIO_VFE_AXI_CLK,
CAMIO_MAX_CLK
};
enum msm_camio_clk_src_type {
MSM_CAMIO_CLK_SRC_INTERNAL,
MSM_CAMIO_CLK_SRC_EXTERNAL,
MSM_CAMIO_CLK_SRC_MAX
};
enum msm_s_test_mode {
S_TEST_OFF,
S_TEST_1,
S_TEST_2,
S_TEST_3
};
enum msm_s_resolution {
S_QTR_SIZE,
S_FULL_SIZE,
S_INVALID_SIZE
};
enum msm_s_reg_update {
/* Sensor egisters that need to be updated during initialization */
S_REG_INIT,
/* Sensor egisters that needs periodic I2C writes */
S_UPDATE_PERIODIC,
/* All the sensor Registers will be updated */
S_UPDATE_ALL,
/* Not valid update */
S_UPDATE_INVALID
};
enum msm_s_setting {
S_RES_PREVIEW,
S_RES_CAPTURE
};
int msm_camio_enable(struct platform_device *dev);
int msm_camio_clk_enable(enum msm_camio_clk_type clk);
int msm_camio_clk_disable(enum msm_camio_clk_type clk);
int msm_camio_clk_config(uint32_t freq);
void msm_camio_clk_rate_set(int rate);
void msm_camio_clk_axi_rate_set(int rate);
void msm_camio_camif_pad_reg_reset(void);
void msm_camio_camif_pad_reg_reset_2(void);
void msm_camio_vfe_blk_reset(void);
void msm_camio_clk_sel(enum msm_camio_clk_src_type);
void msm_camio_disable(struct platform_device *);
int msm_camio_probe_on(struct platform_device *);
int msm_camio_probe_off(struct platform_device *);
#endif