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linux/drivers/media/usb/cpia2/cpia2.h
Thomas Gleixner c942fddf87 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 
Based on 3 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version [author] [kishon] [vijay] [abraham]
  [i] [kishon]@[ti] [com] this program is distributed in the hope that
  it will be useful but without any warranty without even the implied
  warranty of merchantability or fitness for a particular purpose see
  the gnu general public license for more details

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version [author] [graeme] [gregory]
  [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
  [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
  [hk] [hemahk]@[ti] [com] this program is distributed in the hope
  that it will be useful but without any warranty without even the
  implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1105 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:37 -07:00

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/* 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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