diff options
Diffstat (limited to 'drivers/media/usb/au0828/au0828.h')
| -rw-r--r-- | drivers/media/usb/au0828/au0828.h | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/drivers/media/usb/au0828/au0828.h b/drivers/media/usb/au0828/au0828.h new file mode 100644 index 000000000000..66a56ef7bbe4 --- /dev/null +++ b/drivers/media/usb/au0828/au0828.h @@ -0,0 +1,304 @@ +/* + * 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. + */ + +#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/videobuf-vmalloc.h> +#include <media/v4l2-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 DRIVER_NAME "au0828" +#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, + AU0828_VMUX_DEBUG +}; + +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; + 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; +}; + +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_fh { + struct au0828_dev *dev; + unsigned int resources; + + struct videobuf_queue vb_vidq; + struct videobuf_queue vb_vbiq; + enum v4l2_buf_type type; +}; + +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 videobuf_buffer vb; + + struct list_head frame; + int top_field; + int receiving; +}; + +struct au0828_dmaqueue { + struct list_head active; + struct list_head queued; + + wait_queue_head_t wq; + + /* 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; + + /* Analog */ + struct v4l2_device v4l2_dev; + int users; + unsigned int resources; /* resources in use */ + struct video_device *vdev; + struct video_device *vbi_dev; + struct timer_list vid_timeout; + int vid_timeout_running; + struct timer_list vbi_timeout; + int vbi_timeout_running; + int width; + int height; + int vbi_width; + int vbi_height; + u32 vbi_read; + u32 field_size; + u32 frame_size; + u32 bytesperline; + int type; + u8 ctrl_ainput; + __u8 isoc_in_endpointaddr; + u8 isoc_init_ok; + int greenscreen_detected; + unsigned int frame_count; + 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 */ + + /* USB / URB Related */ + int urb_streaming; + struct urb *urbs[URB_COUNT]; +}; + +/* ----------------------------------------------------------- */ +#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 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 */ +int au0828_analog_register(struct au0828_dev *dev, + struct usb_interface *interface); +int au0828_analog_stream_disable(struct au0828_dev *d); +void au0828_analog_unregister(struct au0828_dev *dev); + +/* ----------------------------------------------------------- */ +/* au0828-dvb.c */ +extern int au0828_dvb_register(struct au0828_dev *dev); +extern void au0828_dvb_unregister(struct au0828_dev *dev); + +/* au0828-vbi.c */ +extern struct videobuf_queue_ops au0828_vbi_qops; + +#define dprintk(level, fmt, arg...)\ + do { if (au0828_debug & level)\ + printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\ + } while (0) |