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linux-pinenote/drivers/media/usb/tm6000/tm6000.h
Hans Verkuil 770056c47f [media] tm6000: add support for control events and prio handling 
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-02-05 18:31:33 -02:00

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/*
* tm6000.h - driver for TM5600/TM6000/TM6010 USB video capture devices
*
* Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
*
* Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com>
* - DVB-T support
*
* 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 version 2
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <media/videobuf-vmalloc.h>
#include "tm6000-usb-isoc.h"
#include <linux/i2c.h>
#include <linux/mutex.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-fh.h>
#include <linux/dvb/frontend.h>
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dmxdev.h"
/* Inputs */
enum tm6000_itype {
TM6000_INPUT_TV = 1,
TM6000_INPUT_COMPOSITE1,
TM6000_INPUT_COMPOSITE2,
TM6000_INPUT_SVIDEO,
TM6000_INPUT_DVB,
TM6000_INPUT_RADIO,
};
enum tm6000_mux {
TM6000_VMUX_VIDEO_A = 1,
TM6000_VMUX_VIDEO_B,
TM6000_VMUX_VIDEO_AB,
TM6000_AMUX_ADC1,
TM6000_AMUX_ADC2,
TM6000_AMUX_SIF1,
TM6000_AMUX_SIF2,
TM6000_AMUX_I2S,
};
enum tm6000_devtype {
TM6000 = 0,
TM5600,
TM6010,
};
struct tm6000_input {
enum tm6000_itype type;
enum tm6000_mux vmux;
enum tm6000_mux amux;
unsigned int v_gpio;
unsigned int a_gpio;
};
/* ------------------------------------------------------------------
* Basic structures
* ------------------------------------------------------------------
*/
struct tm6000_fmt {
char *name;
u32 fourcc; /* v4l2 format id */
int depth;
};
/* buffer for one video frame */
struct tm6000_buffer {
/* common v4l buffer stuff -- must be first */
struct videobuf_buffer vb;
struct tm6000_fmt *fmt;
};
struct tm6000_dmaqueue {
struct list_head active;
struct list_head queued;
/* thread for generating video stream*/
struct task_struct *kthread;
wait_queue_head_t wq;
/* Counters to control fps rate */
int frame;
int ini_jiffies;
};
/* device states */
enum tm6000_core_state {
DEV_INITIALIZED = 0x01,
DEV_DISCONNECTED = 0x02,
DEV_MISCONFIGURED = 0x04,
};
/* io methods */
enum tm6000_io_method {
IO_NONE,
IO_READ,
IO_MMAP,
};
enum tm6000_mode {
TM6000_MODE_UNKNOWN = 0,
TM6000_MODE_ANALOG,
TM6000_MODE_DIGITAL,
};
struct tm6000_gpio {
int tuner_reset;
int tuner_on;
int demod_reset;
int demod_on;
int power_led;
int dvb_led;
int ir;
};
struct tm6000_capabilities {
unsigned int has_tuner:1;
unsigned int has_tda9874:1;
unsigned int has_dvb:1;
unsigned int has_zl10353:1;
unsigned int has_eeprom:1;
unsigned int has_remote:1;
unsigned int has_radio:1;
};
struct tm6000_dvb {
struct dvb_adapter adapter;
struct dvb_demux demux;
struct dvb_frontend *frontend;
struct dmxdev dmxdev;
unsigned int streams;
struct urb *bulk_urb;
struct mutex mutex;
};
struct snd_tm6000_card {
struct snd_card *card;
spinlock_t reg_lock;
struct tm6000_core *core;
struct snd_pcm_substream *substream;
/* temporary data for buffer fill processing */
unsigned buf_pos;
unsigned period_pos;
};
struct tm6000_endpoint {
struct usb_host_endpoint *endp;
__u8 bInterfaceNumber;
__u8 bAlternateSetting;
unsigned maxsize;
};
#define TM6000_QUIRK_NO_USB_DELAY (1 << 0)
struct tm6000_core {
/* generic device properties */
char name[30]; /* name (including minor) of the device */
int model; /* index in the device_data struct */
int devno; /* marks the number of this device */
enum tm6000_devtype dev_type; /* type of device */
unsigned char eedata[256]; /* Eeprom data */
unsigned eedata_size; /* Size of the eeprom info */
v4l2_std_id norm; /* Current norm */
int width, height; /* Selected resolution */
enum tm6000_core_state state;
/* Device Capabilities*/
struct tm6000_capabilities caps;
/* Used to load alsa/dvb */
struct work_struct request_module_wk;
/* Tuner configuration */
int tuner_type; /* type of the tuner */
int tuner_addr; /* tuner address */
struct tm6000_gpio gpio;
char *ir_codes;
__u8 radio;
/* Demodulator configuration */
int demod_addr; /* demodulator address */
int audio_bitrate;
/* i2c i/o */
struct i2c_adapter i2c_adap;
struct i2c_client i2c_client;
/* extension */
struct list_head devlist;
/* video for linux */
int users;
/* various device info */
struct tm6000_fh *resources; /* Points to fh that is streaming */
bool is_res_read;
struct video_device *vfd;
struct video_device *radio_dev;
struct tm6000_dmaqueue vidq;
struct v4l2_device v4l2_dev;
struct v4l2_ctrl_handler ctrl_handler;
struct v4l2_ctrl_handler radio_ctrl_handler;
int input;
struct tm6000_input vinput[3]; /* video input */
struct tm6000_input rinput; /* radio input */
int freq;
unsigned int fourcc;
enum tm6000_mode mode;
int ctl_mute; /* audio */
int ctl_volume;
int amode;
/* DVB-T support */
struct tm6000_dvb *dvb;
/* audio support */
struct snd_tm6000_card *adev;
struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */
atomic_t stream_started; /* stream should be running if true */
struct tm6000_IR *ir;
/* locks */
struct mutex lock;
struct mutex usb_lock;
/* usb transfer */
struct usb_device *udev; /* the usb device */
struct tm6000_endpoint bulk_in, bulk_out, isoc_in, isoc_out;
struct tm6000_endpoint int_in, int_out;
/* scaler!=0 if scaler is active*/
int scaler;
/* Isoc control struct */
struct usb_isoc_ctl isoc_ctl;
spinlock_t slock;
/* urb dma buffers */
char **urb_buffer;
dma_addr_t *urb_dma;
unsigned int urb_size;
unsigned long quirks;
};
enum tm6000_ops_type {
TM6000_AUDIO = 0x10,
TM6000_DVB = 0x20,
};
struct tm6000_ops {
struct list_head next;
char *name;
enum tm6000_ops_type type;
int (*init)(struct tm6000_core *);
int (*fini)(struct tm6000_core *);
int (*fillbuf)(struct tm6000_core *, char *buf, int size);
};
struct tm6000_fh {
struct v4l2_fh fh;
struct tm6000_core *dev;
unsigned int radio;
/* video capture */
struct tm6000_fmt *fmt;
unsigned int width, height;
struct videobuf_queue vb_vidq;
enum v4l2_buf_type type;
};
#define TM6000_STD (V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc| \
V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \
V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM)
/* In tm6000-cards.c */
int tm6000_tuner_callback(void *ptr, int component, int command, int arg);
int tm6000_xc5000_callback(void *ptr, int component, int command, int arg);
int tm6000_cards_setup(struct tm6000_core *dev);
void tm6000_flash_led(struct tm6000_core *dev, u8 state);
/* In tm6000-core.c */
int tm6000_read_write_usb(struct tm6000_core *dev, u8 reqtype, u8 req,
u16 value, u16 index, u8 *buf, u16 len);
int tm6000_get_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index);
int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index);
int tm6000_set_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
int tm6000_set_reg_mask(struct tm6000_core *dev, u8 req, u16 value,
u16 index, u16 mask);
int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep);
int tm6000_init(struct tm6000_core *dev);
int tm6000_reset(struct tm6000_core *dev);
int tm6000_init_analog_mode(struct tm6000_core *dev);
int tm6000_init_digital_mode(struct tm6000_core *dev);
int tm6000_set_audio_bitrate(struct tm6000_core *dev, int bitrate);
int tm6000_set_audio_rinput(struct tm6000_core *dev);
int tm6000_tvaudio_set_mute(struct tm6000_core *dev, u8 mute);
void tm6000_set_volume(struct tm6000_core *dev, int vol);
int tm6000_v4l2_register(struct tm6000_core *dev);
int tm6000_v4l2_unregister(struct tm6000_core *dev);
int tm6000_v4l2_exit(void);
void tm6000_set_fourcc_format(struct tm6000_core *dev);
void tm6000_remove_from_devlist(struct tm6000_core *dev);
void tm6000_add_into_devlist(struct tm6000_core *dev);
int tm6000_register_extension(struct tm6000_ops *ops);
void tm6000_unregister_extension(struct tm6000_ops *ops);
void tm6000_init_extension(struct tm6000_core *dev);
void tm6000_close_extension(struct tm6000_core *dev);
int tm6000_call_fillbuf(struct tm6000_core *dev, enum tm6000_ops_type type,
char *buf, int size);
/* In tm6000-stds.c */
void tm6000_get_std_res(struct tm6000_core *dev);
int tm6000_set_standard(struct tm6000_core *dev);
/* In tm6000-i2c.c */
int tm6000_i2c_register(struct tm6000_core *dev);
int tm6000_i2c_unregister(struct tm6000_core *dev);
/* In tm6000-queue.c */
int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma);
int tm6000_vidioc_streamon(struct file *file, void *priv,
enum v4l2_buf_type i);
int tm6000_vidioc_streamoff(struct file *file, void *priv,
enum v4l2_buf_type i);
int tm6000_vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *rb);
int tm6000_vidioc_querybuf(struct file *file, void *priv,
struct v4l2_buffer *b);
int tm6000_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b);
int tm6000_vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b);
ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count,
loff_t *f_pos);
unsigned int tm6000_v4l2_poll(struct file *file,
struct poll_table_struct *wait);
int tm6000_queue_init(struct tm6000_core *dev);
/* In tm6000-alsa.c */
/*int tm6000_audio_init(struct tm6000_core *dev, int idx);*/
/* In tm6000-input.c */
int tm6000_ir_init(struct tm6000_core *dev);
int tm6000_ir_fini(struct tm6000_core *dev);
void tm6000_ir_wait(struct tm6000_core *dev, u8 state);
int tm6000_ir_int_start(struct tm6000_core *dev);
void tm6000_ir_int_stop(struct tm6000_core *dev);
/* Debug stuff */
extern int tm6000_debug;
#define dprintk(dev, level, fmt, arg...) do {\
if (tm6000_debug & level) \
printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \
dev->name, __func__ , ##arg); } while (0)
#define V4L2_DEBUG_REG 0x0004
#define V4L2_DEBUG_I2C 0x0008
#define V4L2_DEBUG_QUEUE 0x0010
#define V4L2_DEBUG_ISOC 0x0020
#define V4L2_DEBUG_RES_LOCK 0x0040 /* Resource locking */
#define V4L2_DEBUG_OPEN 0x0080 /* video open/close debug */
#define tm6000_err(fmt, arg...) do {\
printk(KERN_ERR "tm6000 %s :"fmt, \
__func__ , ##arg); } while (0)
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