drivers/media/video/au0828/au0828.h

   1 /*
   2  *  Driver for the Auvitek AU0828 USB bridge
   3  *
   4  *  Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include <linux/usb.h>
  23 #include <linux/i2c.h>
  24 #include <linux/i2c-algo-bit.h>
  25 #include <media/tveeprom.h>
  26
  27 /* DVB */
  28 #include "demux.h"
  29 #include "dmxdev.h"
  30 #include "dvb_demux.h"
  31 #include "dvb_frontend.h"
  32 #include "dvb_net.h"
  33 #include "dvbdev.h"
  34
  35 #include "au0828-reg.h"
  36 #include "au0828-cards.h"
  37
  38 #define DRIVER_NAME "au0828"
  39 #define URB_COUNT   16
  40 #define URB_BUFSIZE (0xe522)
  41
  42 struct au0828_board {
  43         char *name;
  44 };
  45
  46 struct au0828_dvb {
  47         struct mutex lock;
  48         struct dvb_adapter adapter;
  49         struct dvb_frontend *frontend;
  50         struct dvb_demux demux;
  51         struct dmxdev dmxdev;
  52         struct dmx_frontend fe_hw;
  53         struct dmx_frontend fe_mem;
  54         struct dvb_net net;
  55         int feeding;
  56 };
  57
  58 struct au0828_dev {
  59         struct mutex mutex;
  60         struct usb_device       *usbdev;
  61         int                     board;
  62         u8                      ctrlmsg[64];
  63
  64         /* I2C */
  65         struct i2c_adapter              i2c_adap;
  66         struct i2c_algo_bit_data        i2c_algo;
  67         struct i2c_client               i2c_client;
  68         u32                             i2c_rc;
  69
  70         /* Digital */
  71         struct au0828_dvb               dvb;
  72
  73         /* USB / URB Related */
  74         int             urb_streaming;
  75         struct urb      *urbs[URB_COUNT];
  76
  77 };
  78
  79 struct au0828_buff {
  80         struct au0828_dev       *dev;
  81         struct urb              *purb;
  82         struct list_head        buff_list;
  83 };
  84
  85 /* ----------------------------------------------------------- */
  86 #define au0828_read(dev, reg) au0828_readreg(dev, reg)
  87 #define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value)
  88 #define au0828_andor(dev, reg, mask, value)                             \
  89          au0828_writereg(dev, reg,                                      \
  90         (au0828_readreg(dev, reg) & ~(mask)) | ((value) & (mask)))
  91
  92 #define au0828_set(dev, reg, bit) au0828_andor(dev, (reg), (bit), (bit))
  93 #define au0828_clear(dev, reg, bit) au0828_andor(dev, (reg), (bit), 0)
  94
  95 /* ----------------------------------------------------------- */
  96 /* au0828-core.c */
  97 extern u32 au0828_read(struct au0828_dev *dev, u16 reg);
  98 extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val);
  99 extern int au0828_debug;
 100
 101 /* ----------------------------------------------------------- */
 102 /* au0828-cards.c */
 103 extern struct au0828_board au0828_boards[];
 104 extern struct usb_device_id au0828_usb_id_table[];
 105 extern void au0828_gpio_setup(struct au0828_dev *dev);
 106 extern int au0828_tuner_callback(void *priv, int command, int arg);
 107 extern void au0828_card_setup(struct au0828_dev *dev);
 108
 109 /* ----------------------------------------------------------- */
 110 /* au0828-i2c.c */
 111 extern int au0828_i2c_register(struct au0828_dev *dev);
 112 extern int au0828_i2c_unregister(struct au0828_dev *dev);
 113 extern void au0828_call_i2c_clients(struct au0828_dev *dev,
 114         unsigned int cmd, void *arg);
 115
 116 /* ----------------------------------------------------------- */
 117 /* au0828-dvb.c */
 118 extern int au0828_dvb_register(struct au0828_dev *dev);
 119 extern void au0828_dvb_unregister(struct au0828_dev *dev);
 120
 121 #define dprintk(level, fmt, arg...)\
 122         do { if (au0828_debug & level)\
 123                 printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\
 124         } while (0)