mirror of https://gitee.com/openkylin/linux.git
125 lines
3.6 KiB
C
125 lines
3.6 KiB
C
/*
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* Driver for the Auvitek AU0828 USB bridge
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*
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* Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/usb.h>
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#include <media/tveeprom.h>
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/* DVB */
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#include "demux.h"
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#include "dmxdev.h"
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#include "dvb_demux.h"
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#include "dvb_frontend.h"
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#include "dvb_net.h"
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#include "dvbdev.h"
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#include "au0828-reg.h"
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#include "au0828-cards.h"
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#define DRIVER_NAME "au0828"
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#define URB_COUNT 16
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#define URB_BUFSIZE (0xe522)
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struct au0828_board {
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char *name;
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};
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struct au0828_dvb {
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struct mutex lock;
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struct dvb_adapter adapter;
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struct dvb_frontend *frontend;
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struct dvb_demux demux;
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struct dmxdev dmxdev;
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struct dmx_frontend fe_hw;
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struct dmx_frontend fe_mem;
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struct dvb_net net;
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int feeding;
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};
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struct au0828_dev {
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struct mutex mutex;
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struct usb_device *usbdev;
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int board;
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u8 ctrlmsg[64];
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/* I2C */
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struct i2c_adapter i2c_adap;
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struct i2c_algo_bit_data i2c_algo;
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struct i2c_client i2c_client;
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u32 i2c_rc;
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/* Digital */
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struct au0828_dvb dvb;
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/* USB / URB Related */
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int urb_streaming;
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struct urb *urbs[URB_COUNT];
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};
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struct au0828_buff {
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struct au0828_dev *dev;
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struct urb *purb;
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struct list_head buff_list;
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};
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/* ----------------------------------------------------------- */
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#define au0828_read(dev, reg) au0828_readreg(dev, reg)
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#define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value)
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#define au0828_andor(dev, reg, mask, value) \
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au0828_writereg(dev, reg, \
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(au0828_readreg(dev, reg) & ~(mask)) | ((value) & (mask)))
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#define au0828_set(dev, reg, bit) au0828_andor(dev, (reg), (bit), (bit))
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#define au0828_clear(dev, reg, bit) au0828_andor(dev, (reg), (bit), 0)
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/* ----------------------------------------------------------- */
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/* au0828-core.c */
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extern u32 au0828_read(struct au0828_dev *dev, u16 reg);
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extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val);
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extern int au0828_debug;
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/* ----------------------------------------------------------- */
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/* au0828-cards.c */
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extern struct au0828_board au0828_boards[];
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extern struct usb_device_id au0828_usb_id_table[];
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extern void au0828_gpio_setup(struct au0828_dev *dev);
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extern int au0828_tuner_callback(void *priv, int command, int arg);
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extern void au0828_card_setup(struct au0828_dev *dev);
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/* ----------------------------------------------------------- */
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/* au0828-i2c.c */
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extern int au0828_i2c_register(struct au0828_dev *dev);
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extern int au0828_i2c_unregister(struct au0828_dev *dev);
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extern void au0828_call_i2c_clients(struct au0828_dev *dev,
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unsigned int cmd, void *arg);
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/* ----------------------------------------------------------- */
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/* au0828-dvb.c */
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extern int au0828_dvb_register(struct au0828_dev *dev);
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extern void au0828_dvb_unregister(struct au0828_dev *dev);
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#define dprintk(level, fmt, arg...)\
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do { if (au0828_debug & level)\
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printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\
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} while (0)
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