| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Alan Cox | 1446 | 95.57% | 2 | 20.00% |
| Hans Verkuil | 61 | 4.03% | 4 | 40.00% |
| Thomas Gleixner | 2 | 0.13% | 1 | 10.00% |
| Mauro Carvalho Chehab | 2 | 0.13% | 1 | 10.00% |
| Randy Dunlap | 1 | 0.07% | 1 | 10.00% |
| Al Viro | 1 | 0.07% | 1 | 10.00% |
| Total | 1513 | 10 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /**************************************************************************** * * Filename: cpia2.h * * Copyright 2001, STMicrolectronics, Inc. * * Contact: steve.miller@st.com * * Description: * This is a USB driver for CPiA2 based video cameras. * * This driver is modelled on the cpia usb driver by * Jochen Scharrlach and Johannes Erdfeldt. * ****************************************************************************/ #ifndef __CPIA2_H__ #define __CPIA2_H__ #include <linux/videodev2.h> #include <linux/usb.h> #include <linux/poll.h> #include <media/v4l2-common.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> #include "cpia2_registers.h" /* define for verbose debug output */ //#define _CPIA2_DEBUG_ /*** * Image defines ***/ /* Misc constants */ #define ALLOW_CORRUPT 0 /* Causes collater to discard checksum */ /* USB Transfer mode */ #define XFER_ISOC 0 #define XFER_BULK 1 /* USB Alternates */ #define USBIF_CMDONLY 0 #define USBIF_BULK 1 #define USBIF_ISO_1 2 /* 128 bytes/ms */ #define USBIF_ISO_2 3 /* 384 bytes/ms */ #define USBIF_ISO_3 4 /* 640 bytes/ms */ #define USBIF_ISO_4 5 /* 768 bytes/ms */ #define USBIF_ISO_5 6 /* 896 bytes/ms */ #define USBIF_ISO_6 7 /* 1023 bytes/ms */ /* Flicker Modes */ #define NEVER_FLICKER 0 #define FLICKER_60 60 #define FLICKER_50 50 /* Debug flags */ #define DEBUG_NONE 0 #define DEBUG_REG 0x00000001 #define DEBUG_DUMP_PATCH 0x00000002 #define DEBUG_DUMP_REGS 0x00000004 /*** * Video frame sizes ***/ enum { VIDEOSIZE_VGA = 0, /* 640x480 */ VIDEOSIZE_CIF, /* 352x288 */ VIDEOSIZE_QVGA, /* 320x240 */ VIDEOSIZE_QCIF, /* 176x144 */ VIDEOSIZE_288_216, VIDEOSIZE_256_192, VIDEOSIZE_224_168, VIDEOSIZE_192_144, }; #define STV_IMAGE_CIF_ROWS 288 #define STV_IMAGE_CIF_COLS 352 #define STV_IMAGE_QCIF_ROWS 144 #define STV_IMAGE_QCIF_COLS 176 #define STV_IMAGE_VGA_ROWS 480 #define STV_IMAGE_VGA_COLS 640 #define STV_IMAGE_QVGA_ROWS 240 #define STV_IMAGE_QVGA_COLS 320 #define JPEG_MARKER_COM (1<<6) /* Comment segment */ /*** * Enums ***/ /* Sensor types available with cpia2 asics */ enum sensors { CPIA2_SENSOR_410, CPIA2_SENSOR_500 }; /* Asic types available in the CPiA2 architecture */ #define CPIA2_ASIC_672 0x67 /* Device types (stv672, stv676, etc) */ #define DEVICE_STV_672 0x0001 #define DEVICE_STV_676 0x0002 enum frame_status { FRAME_EMPTY, FRAME_READING, /* In the process of being grabbed into */ FRAME_READY, /* Ready to be read */ FRAME_ERROR, }; /*** * Register access (for USB request byte) ***/ enum { CAMERAACCESS_SYSTEM = 0, CAMERAACCESS_VC, CAMERAACCESS_VP, CAMERAACCESS_IDATA }; #define CAMERAACCESS_TYPE_BLOCK 0x00 #define CAMERAACCESS_TYPE_RANDOM 0x04 #define CAMERAACCESS_TYPE_MASK 0x08 #define CAMERAACCESS_TYPE_REPEAT 0x0C #define TRANSFER_READ 0 #define TRANSFER_WRITE 1 #define DEFAULT_ALT USBIF_ISO_6 #define DEFAULT_BRIGHTNESS 0x46 #define DEFAULT_CONTRAST 0x93 #define DEFAULT_SATURATION 0x7f /* Power state */ #define HI_POWER_MODE CPIA2_SYSTEM_CONTROL_HIGH_POWER #define LO_POWER_MODE CPIA2_SYSTEM_CONTROL_LOW_POWER /******** * Commands *******/ enum { CPIA2_CMD_NONE = 0, CPIA2_CMD_GET_VERSION, CPIA2_CMD_GET_PNP_ID, CPIA2_CMD_GET_ASIC_TYPE, CPIA2_CMD_GET_SENSOR, CPIA2_CMD_GET_VP_DEVICE, CPIA2_CMD_GET_VP_BRIGHTNESS, CPIA2_CMD_SET_VP_BRIGHTNESS, CPIA2_CMD_GET_CONTRAST, CPIA2_CMD_SET_CONTRAST, CPIA2_CMD_GET_VP_SATURATION, CPIA2_CMD_SET_VP_SATURATION, CPIA2_CMD_GET_VP_GPIO_DIRECTION, CPIA2_CMD_SET_VP_GPIO_DIRECTION, CPIA2_CMD_GET_VP_GPIO_DATA, CPIA2_CMD_SET_VP_GPIO_DATA, CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION, CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, CPIA2_CMD_GET_VC_MP_GPIO_DATA, CPIA2_CMD_SET_VC_MP_GPIO_DATA, CPIA2_CMD_ENABLE_PACKET_CTRL, CPIA2_CMD_GET_FLICKER_MODES, CPIA2_CMD_SET_FLICKER_MODES, CPIA2_CMD_RESET_FIFO, /* clear fifo and enable stream block */ CPIA2_CMD_SET_HI_POWER, CPIA2_CMD_SET_LOW_POWER, CPIA2_CMD_CLEAR_V2W_ERR, CPIA2_CMD_SET_USER_MODE, CPIA2_CMD_GET_USER_MODE, CPIA2_CMD_FRAMERATE_REQ, CPIA2_CMD_SET_COMPRESSION_STATE, CPIA2_CMD_GET_WAKEUP, CPIA2_CMD_SET_WAKEUP, CPIA2_CMD_GET_PW_CONTROL, CPIA2_CMD_SET_PW_CONTROL, CPIA2_CMD_GET_SYSTEM_CTRL, CPIA2_CMD_SET_SYSTEM_CTRL, CPIA2_CMD_GET_VP_SYSTEM_STATE, CPIA2_CMD_GET_VP_SYSTEM_CTRL, CPIA2_CMD_SET_VP_SYSTEM_CTRL, CPIA2_CMD_GET_VP_EXP_MODES, CPIA2_CMD_SET_VP_EXP_MODES, CPIA2_CMD_GET_DEVICE_CONFIG, CPIA2_CMD_SET_DEVICE_CONFIG, CPIA2_CMD_SET_SERIAL_ADDR, CPIA2_CMD_SET_SENSOR_CR1, CPIA2_CMD_GET_VC_CONTROL, CPIA2_CMD_SET_VC_CONTROL, CPIA2_CMD_SET_TARGET_KB, CPIA2_CMD_SET_DEF_JPEG_OPT, CPIA2_CMD_REHASH_VP4, CPIA2_CMD_GET_USER_EFFECTS, CPIA2_CMD_SET_USER_EFFECTS }; enum user_cmd { COMMAND_NONE = 0x00000001, COMMAND_SET_FPS = 0x00000002, COMMAND_SET_COLOR_PARAMS = 0x00000004, COMMAND_GET_COLOR_PARAMS = 0x00000008, COMMAND_SET_FORMAT = 0x00000010, /* size, etc */ COMMAND_SET_FLICKER = 0x00000020 }; /*** * Some defines specific to the 676 chip ***/ #define CAMACC_CIF 0x01 #define CAMACC_VGA 0x02 #define CAMACC_QCIF 0x04 #define CAMACC_QVGA 0x08 struct cpia2_register { u8 index; u8 value; }; struct cpia2_reg_mask { u8 index; u8 and_mask; u8 or_mask; u8 fill; }; struct cpia2_command { u32 command; u8 req_mode; /* (Block or random) | registerBank */ u8 reg_count; u8 direction; u8 start; union reg_types { struct cpia2_register registers[32]; struct cpia2_reg_mask masks[16]; u8 block_data[64]; u8 *patch_data; /* points to function defined block */ } buffer; }; struct camera_params { struct { u8 firmware_revision_hi; /* For system register set (bank 0) */ u8 firmware_revision_lo; u8 asic_id; /* Video Compressor set (bank 1) */ u8 asic_rev; u8 vp_device_hi; /* Video Processor set (bank 2) */ u8 vp_device_lo; u8 sensor_flags; u8 sensor_rev; } version; struct { u32 device_type; /* enumerated from vendor/product ids. * Currently, either STV_672 or STV_676 */ u16 vendor; u16 product; u16 device_revision; } pnp_id; struct { u8 brightness; /* CPIA2_VP_EXPOSURE_TARGET */ u8 contrast; /* Note: this is CPIA2_VP_YRANGE */ u8 saturation; /* CPIA2_VP_SATURATION */ } color_params; struct { u8 cam_register; u8 flicker_mode_req; /* 1 if flicker on, else never flicker */ } flicker_control; struct { u8 jpeg_options; u8 creep_period; u8 user_squeeze; u8 inhibit_htables; } compression; struct { u8 ohsize; /* output image size */ u8 ovsize; u8 hcrop; /* cropping start_pos/4 */ u8 vcrop; u8 hphase; /* scaling registers */ u8 vphase; u8 hispan; u8 vispan; u8 hicrop; u8 vicrop; u8 hifraction; u8 vifraction; } image_size; struct { int width; /* actual window width */ int height; /* actual window height */ } roi; struct { u8 video_mode; u8 frame_rate; u8 video_size; /* Not a register, just a convenience for cropped sizes */ u8 gpio_direction; u8 gpio_data; u8 system_ctrl; u8 system_state; u8 lowlight_boost; /* Bool: 0 = off, 1 = on */ u8 device_config; u8 exposure_modes; u8 user_effects; } vp_params; struct { u8 pw_control; u8 wakeup; u8 vc_control; u8 vc_mp_direction; u8 vc_mp_data; u8 quality; } vc_params; struct { u8 power_mode; u8 system_ctrl; u8 stream_mode; /* This is the current alternate for usb drivers */ u8 allow_corrupt; } camera_state; }; #define NUM_SBUF 2 struct cpia2_sbuf { char *data; struct urb *urb; }; struct framebuf { u64 ts; unsigned long seq; int num; int length; int max_length; volatile enum frame_status status; u8 *data; struct framebuf *next; }; struct camera_data { /* locks */ struct v4l2_device v4l2_dev; struct mutex v4l2_lock; /* serialize file operations */ struct v4l2_ctrl_handler hdl; struct { /* Lights control cluster */ struct v4l2_ctrl *top_light; struct v4l2_ctrl *bottom_light; }; struct v4l2_ctrl *usb_alt; /* camera status */ int first_image_seen; enum sensors sensor_type; u8 flush; struct v4l2_fh *stream_fh; u8 mmapped; int streaming; /* 0 = no, 1 = yes */ int xfer_mode; /* XFER_BULK or XFER_ISOC */ struct camera_params params; /* camera settings */ /* v4l */ int video_size; /* VIDEO_SIZE_ */ struct video_device vdev; /* v4l videodev */ u32 width; u32 height; /* Its size */ __u32 pixelformat; /* Format fourcc */ /* USB */ struct usb_device *dev; unsigned char iface; unsigned int cur_alt; unsigned int old_alt; struct cpia2_sbuf sbuf[NUM_SBUF]; /* Double buffering */ wait_queue_head_t wq_stream; /* Buffering */ u32 frame_size; int num_frames; unsigned long frame_count; u8 *frame_buffer; /* frame buffer data */ struct framebuf *buffers; struct framebuf * volatile curbuff; struct framebuf *workbuff; /* MJPEG Extension */ int APPn; /* Number of APP segment to be written, must be 0..15 */ int APP_len; /* Length of data in JPEG APPn segment */ char APP_data[60]; /* Data in the JPEG APPn segment. */ int COM_len; /* Length of data in JPEG COM segment */ char COM_data[60]; /* Data in JPEG COM segment */ }; /* v4l */ int cpia2_register_camera(struct camera_data *cam); void cpia2_unregister_camera(struct camera_data *cam); void cpia2_camera_release(struct v4l2_device *v4l2_dev); /* core */ int cpia2_reset_camera(struct camera_data *cam); int cpia2_set_low_power(struct camera_data *cam); void cpia2_dbg_dump_registers(struct camera_data *cam); int cpia2_match_video_size(int width, int height); void cpia2_set_camera_state(struct camera_data *cam); void cpia2_save_camera_state(struct camera_data *cam); void cpia2_set_color_params(struct camera_data *cam); void cpia2_set_brightness(struct camera_data *cam, unsigned char value); void cpia2_set_contrast(struct camera_data *cam, unsigned char value); void cpia2_set_saturation(struct camera_data *cam, unsigned char value); int cpia2_set_flicker_mode(struct camera_data *cam, int mode); void cpia2_set_format(struct camera_data *cam); int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd); int cpia2_do_command(struct camera_data *cam, unsigned int command, unsigned char direction, unsigned char param); struct camera_data *cpia2_init_camera_struct(struct usb_interface *intf); int cpia2_init_camera(struct camera_data *cam); int cpia2_allocate_buffers(struct camera_data *cam); void cpia2_free_buffers(struct camera_data *cam); long cpia2_read(struct camera_data *cam, char __user *buf, unsigned long count, int noblock); __poll_t cpia2_poll(struct camera_data *cam, struct file *filp, poll_table *wait); int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma); void cpia2_set_property_flip(struct camera_data *cam, int prop_val); void cpia2_set_property_mirror(struct camera_data *cam, int prop_val); int cpia2_set_gpio(struct camera_data *cam, unsigned char setting); int cpia2_set_fps(struct camera_data *cam, int framerate); /* usb */ int cpia2_usb_init(void); void cpia2_usb_cleanup(void); int cpia2_usb_transfer_cmd(struct camera_data *cam, void *registers, u8 request, u8 start, u8 count, u8 direction); int cpia2_usb_stream_start(struct camera_data *cam, unsigned int alternate); int cpia2_usb_stream_stop(struct camera_data *cam); int cpia2_usb_stream_pause(struct camera_data *cam); int cpia2_usb_stream_resume(struct camera_data *cam); int cpia2_usb_change_streaming_alternate(struct camera_data *cam, unsigned int alt); /* ----------------------- debug functions ---------------------- */ #ifdef _CPIA2_DEBUG_ #define ALOG(lev, fmt, args...) printk(lev "%s:%d %s(): " fmt, __FILE__, __LINE__, __func__, ## args) #define LOG(fmt, args...) ALOG(KERN_INFO, fmt, ## args) #define ERR(fmt, args...) ALOG(KERN_ERR, fmt, ## args) #define DBG(fmt, args...) ALOG(KERN_DEBUG, fmt, ## args) #else #define ALOG(fmt,args...) printk(fmt,##args) #define LOG(fmt,args...) ALOG(KERN_INFO "cpia2: "fmt,##args) #define ERR(fmt,args...) ALOG(KERN_ERR "cpia2: "fmt,##args) #define DBG(fmn,args...) do {} while(0) #endif /* No function or lineno, for shorter lines */ #define KINFO(fmt, args...) printk(KERN_INFO fmt,##args) #endif
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