drivers/media/usb/dvb-usb-v2/mxl111sf.h

   1 /*
   2  * Copyright (C) 2010 Michael Krufky (mkrufky@kernellabs.com)
   3  *
   4  *   This program is free software; you can redistribute it and/or modify it
   5  *   under the terms of the GNU General Public License as published by the Free
   6  *   Software Foundation, version 2.
   7  *
   8  * see Documentation/dvb/README.dvb-usb for more information
   9  */
  10
  11 #ifndef _DVB_USB_MXL111SF_H_
  12 #define _DVB_USB_MXL111SF_H_
  13
  14 #ifdef DVB_USB_LOG_PREFIX
  15 #undef DVB_USB_LOG_PREFIX
  16 #endif
  17 #define DVB_USB_LOG_PREFIX "mxl111sf"
  18 #include "dvb_usb.h"
  19 #include <media/tveeprom.h>
  20
  21 #define MXL_EP1_REG_READ     1
  22 #define MXL_EP2_REG_WRITE    2
  23 #define MXL_EP3_INTERRUPT    3
  24 #define MXL_EP4_MPEG2        4
  25 #define MXL_EP5_I2S          5
  26 #define MXL_EP6_656          6
  27 #define MXL_EP6_MPEG2        6
  28
  29 #ifdef USING_ENUM_mxl111sf_current_mode
  30 enum mxl111sf_current_mode {
  31         mxl_mode_dvbt = MXL_EP4_MPEG2,
  32         mxl_mode_mh   = MXL_EP5_I2S,
  33         mxl_mode_atsc = MXL_EP6_MPEG2,
  34 };
  35 #endif
  36
  37 enum mxl111sf_gpio_port_expander {
  38         mxl111sf_gpio_hw,
  39         mxl111sf_PCA9534,
  40 };
  41
  42 struct mxl111sf_adap_state {
  43         int alt_mode;
  44         int gpio_mode;
  45         int device_mode;
  46         int ep6_clockphase;
  47         int (*fe_init)(struct dvb_frontend *);
  48         int (*fe_sleep)(struct dvb_frontend *);
  49 };
  50
  51 struct mxl111sf_state {
  52         struct dvb_usb_device *d;
  53
  54         enum mxl111sf_gpio_port_expander gpio_port_expander;
  55         u8 port_expander_addr;
  56
  57         u8 chip_id;
  58         u8 chip_ver;
  59 #define MXL111SF_V6     1
  60 #define MXL111SF_V8_100 2
  61 #define MXL111SF_V8_200 3
  62         u8 chip_rev;
  63
  64 #ifdef USING_ENUM_mxl111sf_current_mode
  65         enum mxl111sf_current_mode current_mode;
  66 #endif
  67
  68 #define MXL_TUNER_MODE         0
  69 #define MXL_SOC_MODE           1
  70 #define MXL_DEV_MODE_MASK      0x01
  71 #if 1
  72         int device_mode;
  73 #endif
  74         /* use usb alt setting 1 for EP4 ISOC transfer (dvb-t),
  75                                      EP5 BULK transfer (atsc-mh),
  76                                      EP6 BULK transfer (atsc/qam),
  77            use usb alt setting 2 for EP4 BULK transfer (dvb-t),
  78                                      EP5 ISOC transfer (atsc-mh),
  79                                      EP6 ISOC transfer (atsc/qam),
  80          */
  81         int alt_mode;
  82         int gpio_mode;
  83         struct tveeprom tv;
  84
  85         struct mutex fe_lock;
  86         u8 num_frontends;
  87         struct mxl111sf_adap_state adap_state[3];
  88 };
  89
  90 int mxl111sf_read_reg(struct mxl111sf_state *state, u8 addr, u8 *data);
  91 int mxl111sf_write_reg(struct mxl111sf_state *state, u8 addr, u8 data);
  92
  93 struct mxl111sf_reg_ctrl_info {
  94         u8 addr;
  95         u8 mask;
  96         u8 data;
  97 };
  98
  99 int mxl111sf_write_reg_mask(struct mxl111sf_state *state,
 100                             u8 addr, u8 mask, u8 data);
 101 int mxl111sf_ctrl_program_regs(struct mxl111sf_state *state,
 102                                struct mxl111sf_reg_ctrl_info *ctrl_reg_info);
 103
 104 /* needed for hardware i2c functions in mxl111sf-i2c.c:
 105  * mxl111sf_i2c_send_data / mxl111sf_i2c_get_data */
 106 int mxl111sf_ctrl_msg(struct dvb_usb_device *d,
 107                       u8 cmd, u8 *wbuf, int wlen, u8 *rbuf, int rlen);
 108
 109 #define mxl_printk(kern, fmt, arg...) \
 110         printk(kern "%s: " fmt "\n", __func__, ##arg)
 111
 112 #define mxl_info(fmt, arg...) \
 113         mxl_printk(KERN_INFO, fmt, ##arg)
 114
 115 extern int dvb_usb_mxl111sf_debug;
 116 #define mxl_debug(fmt, arg...) \
 117         if (dvb_usb_mxl111sf_debug) \
 118                 mxl_printk(KERN_DEBUG, fmt, ##arg)
 119
 120 #define MXL_I2C_DBG 0x04
 121 #define MXL_ADV_DBG 0x10
 122 #define mxl_debug_adv(fmt, arg...) \
 123         if (dvb_usb_mxl111sf_debug & MXL_ADV_DBG) \
 124                 mxl_printk(KERN_DEBUG, fmt, ##arg)
 125
 126 #define mxl_i2c(fmt, arg...) \
 127         if (dvb_usb_mxl111sf_debug & MXL_I2C_DBG) \
 128                 mxl_printk(KERN_DEBUG, fmt, ##arg)
 129
 130 #define mxl_i2c_adv(fmt, arg...) \
 131         if ((dvb_usb_mxl111sf_debug & (MXL_I2C_DBG | MXL_ADV_DBG)) == \
 132                 (MXL_I2C_DBG | MXL_ADV_DBG)) \
 133                         mxl_printk(KERN_DEBUG, fmt, ##arg)
 134
 135 /* The following allows the mxl_fail() macro defined below to work
 136  * in externel modules, such as mxl111sf-tuner.ko, even though
 137  * dvb_usb_mxl111sf_debug is not defined within those modules */
 138 #if (defined(__MXL111SF_TUNER_H__)) || (defined(__MXL111SF_DEMOD_H__))
 139 #define MXL_ADV_DEBUG_ENABLED MXL_ADV_DBG
 140 #else
 141 #define MXL_ADV_DEBUG_ENABLED dvb_usb_mxl111sf_debug
 142 #endif
 143
 144 #define mxl_fail(ret)                                                   \
 145 ({                                                                      \
 146         int __ret;                                                      \
 147         __ret = (ret < 0);                                              \
 148         if ((__ret) && (MXL_ADV_DEBUG_ENABLED & MXL_ADV_DBG))           \
 149                 mxl_printk(KERN_ERR, "error %d on line %d",             \
 150                            ret, __LINE__);                              \
 151         __ret;                                                          \
 152 })
 153
 154 #endif /* _DVB_USB_MXL111SF_H_ */
 155
 156 /*
 157  * Local variables:
 158  * c-basic-offset: 8
 159  * End:
 160  */