374 lines
9.9 KiB
C
374 lines
9.9 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
||
|
|
/*
|
||
|
|
* Driver for the Auvitek AU0828 USB bridge
|
||
|
|
*
|
||
|
|
* Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
||
|
|
|
||
|
|
#include <linux/bitops.h>
|
||
|
|
#include <linux/usb.h>
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
#include <linux/i2c-algo-bit.h>
|
||
|
|
#include <media/tveeprom.h>
|
||
|
|
|
||
|
|
/* Analog */
|
||
|
|
#include <linux/videodev2.h>
|
||
|
|
#include <media/videobuf2-v4l2.h>
|
||
|
|
#include <media/videobuf2-vmalloc.h>
|
||
|
|
#include <media/v4l2-device.h>
|
||
|
|
#include <media/v4l2-ctrls.h>
|
||
|
|
#include <media/v4l2-fh.h>
|
||
|
|
#include <media/media-device.h>
|
||
|
|
#include <media/media-dev-allocator.h>
|
||
|
|
|
||
|
|
/* DVB */
|
||
|
|
#include <media/demux.h>
|
||
|
|
#include <media/dmxdev.h>
|
||
|
|
#include <media/dvb_demux.h>
|
||
|
|
#include <media/dvb_frontend.h>
|
||
|
|
#include <media/dvb_net.h>
|
||
|
|
#include <media/dvbdev.h>
|
||
|
|
|
||
|
|
#include "au0828-reg.h"
|
||
|
|
#include "au0828-cards.h"
|
||
|
|
|
||
|
|
#define URB_COUNT 16
|
||
|
|
#define URB_BUFSIZE (0xe522)
|
||
|
|
|
||
|
|
/* Analog constants */
|
||
|
|
#define NTSC_STD_W 720
|
||
|
|
#define NTSC_STD_H 480
|
||
|
|
|
||
|
|
#define AU0828_INTERLACED_DEFAULT 1
|
||
|
|
|
||
|
|
/* Definition for AU0828 USB transfer */
|
||
|
|
#define AU0828_MAX_ISO_BUFS 12 /* maybe resize this value in the future */
|
||
|
|
#define AU0828_ISO_PACKETS_PER_URB 128
|
||
|
|
|
||
|
|
#define AU0828_MIN_BUF 4
|
||
|
|
#define AU0828_DEF_BUF 8
|
||
|
|
|
||
|
|
#define AU0828_MAX_INPUT 4
|
||
|
|
|
||
|
|
/* au0828 resource types (used for res_get/res_lock etc */
|
||
|
|
#define AU0828_RESOURCE_VIDEO 0x01
|
||
|
|
#define AU0828_RESOURCE_VBI 0x02
|
||
|
|
|
||
|
|
enum au0828_itype {
|
||
|
|
AU0828_VMUX_UNDEFINED = 0,
|
||
|
|
AU0828_VMUX_COMPOSITE,
|
||
|
|
AU0828_VMUX_SVIDEO,
|
||
|
|
AU0828_VMUX_CABLE,
|
||
|
|
AU0828_VMUX_TELEVISION,
|
||
|
|
AU0828_VMUX_DVB,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct au0828_input {
|
||
|
|
enum au0828_itype type;
|
||
|
|
unsigned int vmux;
|
||
|
|
unsigned int amux;
|
||
|
|
void (*audio_setup) (void *priv, int enable);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct au0828_board {
|
||
|
|
char *name;
|
||
|
|
unsigned int tuner_type;
|
||
|
|
unsigned char tuner_addr;
|
||
|
|
unsigned char i2c_clk_divider;
|
||
|
|
unsigned char has_ir_i2c:1;
|
||
|
|
unsigned char has_analog:1;
|
||
|
|
struct au0828_input input[AU0828_MAX_INPUT];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct au0828_dvb {
|
||
|
|
struct mutex lock;
|
||
|
|
struct dvb_adapter adapter;
|
||
|
|
struct dvb_frontend *frontend;
|
||
|
|
struct dvb_demux demux;
|
||
|
|
struct dmxdev dmxdev;
|
||
|
|
struct dmx_frontend fe_hw;
|
||
|
|
struct dmx_frontend fe_mem;
|
||
|
|
struct dvb_net net;
|
||
|
|
int feeding;
|
||
|
|
int start_count;
|
||
|
|
int stop_count;
|
||
|
|
|
||
|
|
int (*set_frontend)(struct dvb_frontend *fe);
|
||
|
|
};
|
||
|
|
|
||
|
|
enum au0828_stream_state {
|
||
|
|
STREAM_OFF,
|
||
|
|
STREAM_INTERRUPT,
|
||
|
|
STREAM_ON
|
||
|
|
};
|
||
|
|
|
||
|
|
#define AUVI_INPUT(nr) (dev->board.input[nr])
|
||
|
|
|
||
|
|
/* device state */
|
||
|
|
enum au0828_dev_state {
|
||
|
|
DEV_INITIALIZED = 0,
|
||
|
|
DEV_DISCONNECTED = 1,
|
||
|
|
DEV_MISCONFIGURED = 2
|
||
|
|
};
|
||
|
|
|
||
|
|
struct au0828_dev;
|
||
|
|
|
||
|
|
struct au0828_usb_isoc_ctl {
|
||
|
|
/* max packet size of isoc transaction */
|
||
|
|
int max_pkt_size;
|
||
|
|
|
||
|
|
/* number of allocated urbs */
|
||
|
|
int num_bufs;
|
||
|
|
|
||
|
|
/* urb for isoc transfers */
|
||
|
|
struct urb **urb;
|
||
|
|
|
||
|
|
/* transfer buffers for isoc transfer */
|
||
|
|
char **transfer_buffer;
|
||
|
|
|
||
|
|
/* Last buffer command and region */
|
||
|
|
u8 cmd;
|
||
|
|
int pos, size, pktsize;
|
||
|
|
|
||
|
|
/* Last field: ODD or EVEN? */
|
||
|
|
int field;
|
||
|
|
|
||
|
|
/* Stores incomplete commands */
|
||
|
|
u32 tmp_buf;
|
||
|
|
int tmp_buf_len;
|
||
|
|
|
||
|
|
/* Stores already requested buffers */
|
||
|
|
struct au0828_buffer *buf;
|
||
|
|
struct au0828_buffer *vbi_buf;
|
||
|
|
|
||
|
|
/* Stores the number of received fields */
|
||
|
|
int nfields;
|
||
|
|
|
||
|
|
/* isoc urb callback */
|
||
|
|
int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
/* buffer for one video frame */
|
||
|
|
struct au0828_buffer {
|
||
|
|
/* common v4l buffer stuff -- must be first */
|
||
|
|
struct vb2_v4l2_buffer vb;
|
||
|
|
struct list_head list;
|
||
|
|
|
||
|
|
void *mem;
|
||
|
|
unsigned long length;
|
||
|
|
int top_field;
|
||
|
|
/* pointer to vmalloc memory address in vb */
|
||
|
|
char *vb_buf;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct au0828_dmaqueue {
|
||
|
|
struct list_head active;
|
||
|
|
/* Counters to control buffer fill */
|
||
|
|
int pos;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct au0828_dev {
|
||
|
|
struct mutex mutex;
|
||
|
|
struct usb_device *usbdev;
|
||
|
|
int boardnr;
|
||
|
|
struct au0828_board board;
|
||
|
|
u8 ctrlmsg[64];
|
||
|
|
|
||
|
|
/* I2C */
|
||
|
|
struct i2c_adapter i2c_adap;
|
||
|
|
struct i2c_algorithm i2c_algo;
|
||
|
|
struct i2c_client i2c_client;
|
||
|
|
u32 i2c_rc;
|
||
|
|
|
||
|
|
/* Digital */
|
||
|
|
struct au0828_dvb dvb;
|
||
|
|
struct work_struct restart_streaming;
|
||
|
|
struct timer_list bulk_timeout;
|
||
|
|
int bulk_timeout_running;
|
||
|
|
|
||
|
|
#ifdef CONFIG_VIDEO_AU0828_V4L2
|
||
|
|
/* Analog */
|
||
|
|
struct v4l2_device v4l2_dev;
|
||
|
|
struct v4l2_ctrl_handler v4l2_ctrl_hdl;
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_VIDEO_AU0828_RC
|
||
|
|
struct au0828_rc *ir;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct video_device vdev;
|
||
|
|
struct video_device vbi_dev;
|
||
|
|
|
||
|
|
/* Videobuf2 */
|
||
|
|
struct vb2_queue vb_vidq;
|
||
|
|
struct vb2_queue vb_vbiq;
|
||
|
|
struct mutex vb_queue_lock;
|
||
|
|
struct mutex vb_vbi_queue_lock;
|
||
|
|
|
||
|
|
unsigned int frame_count;
|
||
|
|
unsigned int vbi_frame_count;
|
||
|
|
|
||
|
|
struct timer_list vid_timeout;
|
||
|
|
int vid_timeout_running;
|
||
|
|
struct timer_list vbi_timeout;
|
||
|
|
int vbi_timeout_running;
|
||
|
|
|
||
|
|
int users;
|
||
|
|
int streaming_users;
|
||
|
|
|
||
|
|
int width;
|
||
|
|
int height;
|
||
|
|
int vbi_width;
|
||
|
|
int vbi_height;
|
||
|
|
u32 vbi_read;
|
||
|
|
v4l2_std_id std;
|
||
|
|
u32 field_size;
|
||
|
|
u32 frame_size;
|
||
|
|
u32 bytesperline;
|
||
|
|
int type;
|
||
|
|
u8 ctrl_ainput;
|
||
|
|
__u8 isoc_in_endpointaddr;
|
||
|
|
u8 isoc_init_ok;
|
||
|
|
int greenscreen_detected;
|
||
|
|
int ctrl_freq;
|
||
|
|
int input_type;
|
||
|
|
int std_set_in_tuner_core;
|
||
|
|
unsigned int ctrl_input;
|
||
|
|
long unsigned int dev_state; /* defined at enum au0828_dev_state */;
|
||
|
|
enum au0828_stream_state stream_state;
|
||
|
|
wait_queue_head_t open;
|
||
|
|
|
||
|
|
struct mutex lock;
|
||
|
|
|
||
|
|
/* Isoc control struct */
|
||
|
|
struct au0828_dmaqueue vidq;
|
||
|
|
struct au0828_dmaqueue vbiq;
|
||
|
|
struct au0828_usb_isoc_ctl isoc_ctl;
|
||
|
|
spinlock_t slock;
|
||
|
|
|
||
|
|
/* usb transfer */
|
||
|
|
int alt; /* alternate */
|
||
|
|
int max_pkt_size; /* max packet size of isoc transaction */
|
||
|
|
int num_alt; /* Number of alternative settings */
|
||
|
|
unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
|
||
|
|
struct urb *urb[AU0828_MAX_ISO_BUFS]; /* urb for isoc transfers */
|
||
|
|
char *transfer_buffer[AU0828_MAX_ISO_BUFS];/* transfer buffers for isoc
|
||
|
|
transfer */
|
||
|
|
|
||
|
|
/* DVB USB / URB Related */
|
||
|
|
bool urb_streaming, need_urb_start;
|
||
|
|
struct urb *urbs[URB_COUNT];
|
||
|
|
|
||
|
|
/* Preallocated transfer digital transfer buffers */
|
||
|
|
|
||
|
|
char *dig_transfer_buffer[URB_COUNT];
|
||
|
|
|
||
|
|
#ifdef CONFIG_MEDIA_CONTROLLER
|
||
|
|
struct media_device *media_dev;
|
||
|
|
struct media_pad video_pad, vbi_pad;
|
||
|
|
struct media_entity *decoder;
|
||
|
|
struct media_entity input_ent[AU0828_MAX_INPUT];
|
||
|
|
struct media_pad input_pad[AU0828_MAX_INPUT];
|
||
|
|
struct media_entity_notify entity_notify;
|
||
|
|
struct media_entity *tuner;
|
||
|
|
struct media_link *active_link;
|
||
|
|
struct media_entity *active_source;
|
||
|
|
struct media_entity *active_sink;
|
||
|
|
struct media_entity *active_link_owner;
|
||
|
|
struct media_entity *active_link_user;
|
||
|
|
struct media_pipeline *active_link_user_pipe;
|
||
|
|
bool active_link_shared;
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/* ----------------------------------------------------------- */
|
||
|
|
#define au0828_read(dev, reg) au0828_readreg(dev, reg)
|
||
|
|
#define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value)
|
||
|
|
#define au0828_andor(dev, reg, mask, value) \
|
||
|
|
au0828_writereg(dev, reg, \
|
||
|
|
(au0828_readreg(dev, reg) & ~(mask)) | ((value) & (mask)))
|
||
|
|
|
||
|
|
#define au0828_set(dev, reg, bit) au0828_andor(dev, (reg), (bit), (bit))
|
||
|
|
#define au0828_clear(dev, reg, bit) au0828_andor(dev, (reg), (bit), 0)
|
||
|
|
|
||
|
|
/* ----------------------------------------------------------- */
|
||
|
|
/* au0828-core.c */
|
||
|
|
extern u32 au0828_read(struct au0828_dev *dev, u16 reg);
|
||
|
|
extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val);
|
||
|
|
extern void au0828_usb_release(struct au0828_dev *dev);
|
||
|
|
extern int au0828_debug;
|
||
|
|
|
||
|
|
/* ----------------------------------------------------------- */
|
||
|
|
/* au0828-cards.c */
|
||
|
|
extern struct au0828_board au0828_boards[];
|
||
|
|
extern struct usb_device_id au0828_usb_id_table[];
|
||
|
|
extern void au0828_gpio_setup(struct au0828_dev *dev);
|
||
|
|
extern int au0828_tuner_callback(void *priv, int component,
|
||
|
|
int command, int arg);
|
||
|
|
extern void au0828_card_setup(struct au0828_dev *dev);
|
||
|
|
|
||
|
|
/* ----------------------------------------------------------- */
|
||
|
|
/* au0828-i2c.c */
|
||
|
|
extern int au0828_i2c_register(struct au0828_dev *dev);
|
||
|
|
extern int au0828_i2c_unregister(struct au0828_dev *dev);
|
||
|
|
|
||
|
|
/* ----------------------------------------------------------- */
|
||
|
|
/* au0828-video.c */
|
||
|
|
extern int au0828_start_analog_streaming(struct vb2_queue *vq,
|
||
|
|
unsigned int count);
|
||
|
|
extern void au0828_stop_vbi_streaming(struct vb2_queue *vq);
|
||
|
|
#ifdef CONFIG_VIDEO_AU0828_V4L2
|
||
|
|
extern int au0828_v4l2_device_register(struct usb_interface *interface,
|
||
|
|
struct au0828_dev *dev);
|
||
|
|
|
||
|
|
extern int au0828_analog_register(struct au0828_dev *dev,
|
||
|
|
struct usb_interface *interface);
|
||
|
|
extern int au0828_analog_unregister(struct au0828_dev *dev);
|
||
|
|
extern void au0828_usb_v4l2_media_release(struct au0828_dev *dev);
|
||
|
|
extern void au0828_v4l2_suspend(struct au0828_dev *dev);
|
||
|
|
extern void au0828_v4l2_resume(struct au0828_dev *dev);
|
||
|
|
#else
|
||
|
|
static inline int au0828_v4l2_device_register(struct usb_interface *interface,
|
||
|
|
struct au0828_dev *dev)
|
||
|
|
{ return 0; };
|
||
|
|
static inline int au0828_analog_register(struct au0828_dev *dev,
|
||
|
|
struct usb_interface *interface)
|
||
|
|
{ return 0; };
|
||
|
|
static inline int au0828_analog_unregister(struct au0828_dev *dev)
|
||
|
|
{ return 0; };
|
||
|
|
static inline void au0828_usb_v4l2_media_release(struct au0828_dev *dev) { };
|
||
|
|
static inline void au0828_v4l2_suspend(struct au0828_dev *dev) { };
|
||
|
|
static inline void au0828_v4l2_resume(struct au0828_dev *dev) { };
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* ----------------------------------------------------------- */
|
||
|
|
/* au0828-dvb.c */
|
||
|
|
extern int au0828_dvb_register(struct au0828_dev *dev);
|
||
|
|
extern void au0828_dvb_unregister(struct au0828_dev *dev);
|
||
|
|
void au0828_dvb_suspend(struct au0828_dev *dev);
|
||
|
|
void au0828_dvb_resume(struct au0828_dev *dev);
|
||
|
|
|
||
|
|
/* au0828-vbi.c */
|
||
|
|
extern const struct vb2_ops au0828_vbi_qops;
|
||
|
|
|
||
|
|
#define dprintk(level, fmt, arg...)\
|
||
|
|
do { if (au0828_debug & level)\
|
||
|
|
printk(KERN_DEBUG pr_fmt(fmt), ## arg);\
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
/* au0828-input.c */
|
||
|
|
#ifdef CONFIG_VIDEO_AU0828_RC
|
||
|
|
extern int au0828_rc_register(struct au0828_dev *dev);
|
||
|
|
extern void au0828_rc_unregister(struct au0828_dev *dev);
|
||
|
|
extern int au0828_rc_suspend(struct au0828_dev *dev);
|
||
|
|
extern int au0828_rc_resume(struct au0828_dev *dev);
|
||
|
|
#else
|
||
|
|
static inline int au0828_rc_register(struct au0828_dev *dev) { return 0; }
|
||
|
|
static inline void au0828_rc_unregister(struct au0828_dev *dev) { }
|
||
|
|
static inline int au0828_rc_suspend(struct au0828_dev *dev) { return 0; }
|
||
|
|
static inline int au0828_rc_resume(struct au0828_dev *dev) { return 0; }
|
||
|
|
#endif
|