| /* |
| * Driver for the Auvitek AU0828 USB bridge |
| * |
| * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> |
| * |
| * 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. |
| * |
| * 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. |
| */ |
| |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #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> |
| |
| /* DVB */ |
| #include "demux.h" |
| #include "dmxdev.h" |
| #include "dvb_demux.h" |
| #include "dvb_frontend.h" |
| #include "dvb_net.h" |
| #include "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 |
| #define V4L2_CID_PRIVATE_SHARPNESS (V4L2_CID_PRIVATE_BASE + 0) |
| |
| /* Defination 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 = 0x01, |
| DEV_DISCONNECTED = 0x02, |
| DEV_MISCONFIGURED = 0x04 |
| }; |
| |
| 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; |
| |
| #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; |
| enum au0828_dev_state 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]; |
| #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 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 |