/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  Driver for the Auvitek USB bridge
 *
 *  Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
 */

/* We'll start to rename these registers once we have a better
 * understanding of their meaning.
 */
#define REG_000 0x000
#define REG_001 0x001
#define REG_002 0x002
#define REG_003 0x003

#define AU0828_SENSORCTRL_100 0x100
#define AU0828_SENSORCTRL_VBI_103 0x103

/* I2C registers */
#define AU0828_I2C_TRIGGER_200          0x200
#define AU0828_I2C_STATUS_201           0x201
#define AU0828_I2C_CLK_DIVIDER_202      0x202
#define AU0828_I2C_DEST_ADDR_203        0x203
#define AU0828_I2C_WRITE_FIFO_205       0x205
#define AU0828_I2C_READ_FIFO_209        0x209
#define AU0828_I2C_MULTIBYTE_MODE_2FF   0x2ff

/* Audio registers */
#define AU0828_AUDIOCTRL_50C 0x50C

#define REG_600 0x600

/*********************************************************************/
/* Here are constants for values associated with the above registers */

/* I2C Trigger (Reg 0x200) */
#define AU0828_I2C_TRIGGER_WRITE        0x01
#define AU0828_I2C_TRIGGER_READ         0x20
#define AU0828_I2C_TRIGGER_HOLD         0x40

/* I2C Status (Reg 0x201) */
#define AU0828_I2C_STATUS_READ_DONE     0x01
#define AU0828_I2C_STATUS_NO_READ_ACK   0x02
#define AU0828_I2C_STATUS_WRITE_DONE    0x04
#define AU0828_I2C_STATUS_NO_WRITE_ACK  0x08
#define AU0828_I2C_STATUS_BUSY          0x10

/* I2C Clock Divider (Reg 0x202) */
#define AU0828_I2C_CLK_250KHZ 0x07
#define AU0828_I2C_CLK_100KHZ 0x14
#define AU0828_I2C_CLK_30KHZ  0x40
#define AU0828_I2C_CLK_20KHZ  0x60