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

   1 /*
   2  * Copyright (C) 2010-2014 Michael Krufky (mkrufky@linuxtv.org)
   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 #include <media/media-entity.h>
  21
  22 /* Max transfer size done by I2C transfer functions */
  23 #define MXL_MAX_XFER_SIZE  64
  24
  25 #define MXL_EP1_REG_READ     1
  26 #define MXL_EP2_REG_WRITE    2
  27 #define MXL_EP3_INTERRUPT    3
  28 #define MXL_EP4_MPEG2        4
  29 #define MXL_EP5_I2S          5
  30 #define MXL_EP6_656          6
  31 #define MXL_EP6_MPEG2        6
  32
  33 #ifdef USING_ENUM_mxl111sf_current_mode
  34 enum mxl111sf_current_mode {
  35         mxl_mode_dvbt = MXL_EP4_MPEG2,
  36         mxl_mode_mh   = MXL_EP5_I2S,
  37         mxl_mode_atsc = MXL_EP6_MPEG2,
  38 };
  39 #endif
  40
  41 enum mxl111sf_gpio_port_expander {
  42         mxl111sf_gpio_hw,
  43         mxl111sf_PCA9534,
  44 };
  45
  46 struct mxl111sf_adap_state {
  47         int alt_mode;
  48         int gpio_mode;
  49         int device_mode;
  50         int ep6_clockphase;
  51         int (*fe_init)(struct dvb_frontend *);
  52         int (*fe_sleep)(struct dvb_frontend *);
  53 };
  54
  55 struct mxl111sf_state {
  56         struct dvb_usb_device *d;
  57
  58         enum mxl111sf_gpio_port_expander gpio_port_expander;
  59         u8 port_expander_addr;
  60
  61         u8 chip_id;
  62         u8 chip_ver;
  63 #define MXL111SF_V6     1
  64 #define MXL111SF_V8_100 2
  65 #define MXL111SF_V8_200 3
  66         u8 chip_rev;
  67
  68 #ifdef USING_ENUM_mxl111sf_current_mode
  69         enum mxl111sf_current_mode current_mode;
  70 #endif
  71
  72 #define MXL_TUNER_MODE         0
  73 #define MXL_SOC_MODE           1
  74 #define MXL_DEV_MODE_MASK      0x01
  75 #if 1
  76         int device_mode;
  77 #endif
  78         /* use usb alt setting 1 for EP4 ISOC transfer (dvb-t),
  79                                      EP5 BULK transfer (atsc-mh),
  80                                      EP6 BULK transfer (atsc/qam),
  81            use usb alt setting 2 for EP4 BULK transfer (dvb-t),
  82                                      EP5 ISOC transfer (atsc-mh),
  83                                      EP6 ISOC transfer (atsc/qam),
  84          */
  85         int alt_mode;
  86         int gpio_mode;
  87         struct tveeprom tv;
  88
  89         struct mutex fe_lock;
  90         u8 num_frontends;
  91         struct mxl111sf_adap_state adap_state[3];
  92         u8 sndbuf[MXL_MAX_XFER_SIZE];
  93         u8 rcvbuf[MXL_MAX_XFER_SIZE];
  94         struct mutex msg_lock;
  95 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
  96         struct media_entity tuner;
  97         struct media_pad tuner_pads[2];
  98 #endif
  99 };
 100
 101 int mxl111sf_read_reg(struct mxl111sf_state *state, u8 addr, u8 *data);
 102 int mxl111sf_write_reg(struct mxl111sf_state *state, u8 addr, u8 data);
 103
 104 struct mxl111sf_reg_ctrl_info {
 105         u8 addr;
 106         u8 mask;
 107         u8 data;
 108 };
 109
 110 int mxl111sf_write_reg_mask(struct mxl111sf_state *state,
 111                             u8 addr, u8 mask, u8 data);
 112 int mxl111sf_ctrl_program_regs(struct mxl111sf_state *state,
 113                                struct mxl111sf_reg_ctrl_info *ctrl_reg_info);
 114
 115 /* needed for hardware i2c functions in mxl111sf-i2c.c:
 116  * mxl111sf_i2c_send_data / mxl111sf_i2c_get_data */
 117 int mxl111sf_ctrl_msg(struct mxl111sf_state *state,
 118                       u8 cmd, u8 *wbuf, int wlen, u8 *rbuf, int rlen);
 119
 120 #define mxl_printk(kern, fmt, arg...) \
 121         printk(kern "%s: " fmt "\n", __func__, ##arg)
 122
 123 #define mxl_info(fmt, arg...) \
 124         mxl_printk(KERN_INFO, fmt, ##arg)
 125
 126 extern int dvb_usb_mxl111sf_debug;
 127 #define mxl_debug(fmt, arg...) \
 128         if (dvb_usb_mxl111sf_debug) \
 129                 mxl_printk(KERN_DEBUG, fmt, ##arg)
 130
 131 #define MXL_I2C_DBG 0x04
 132 #define MXL_ADV_DBG 0x10
 133 #define mxl_debug_adv(fmt, arg...) \
 134         if (dvb_usb_mxl111sf_debug & MXL_ADV_DBG) \
 135                 mxl_printk(KERN_DEBUG, fmt, ##arg)
 136
 137 #define mxl_i2c(fmt, arg...) \
 138         if (dvb_usb_mxl111sf_debug & MXL_I2C_DBG) \
 139                 mxl_printk(KERN_DEBUG, fmt, ##arg)
 140
 141 #define mxl_i2c_adv(fmt, arg...) \
 142         if ((dvb_usb_mxl111sf_debug & (MXL_I2C_DBG | MXL_ADV_DBG)) == \
 143                 (MXL_I2C_DBG | MXL_ADV_DBG)) \
 144                         mxl_printk(KERN_DEBUG, fmt, ##arg)
 145
 146 /* The following allows the mxl_fail() macro defined below to work
 147  * in externel modules, such as mxl111sf-tuner.ko, even though
 148  * dvb_usb_mxl111sf_debug is not defined within those modules */
 149 #if (defined(__MXL111SF_TUNER_H__)) || (defined(__MXL111SF_DEMOD_H__))
 150 #define MXL_ADV_DEBUG_ENABLED MXL_ADV_DBG
 151 #else
 152 #define MXL_ADV_DEBUG_ENABLED dvb_usb_mxl111sf_debug
 153 #endif
 154
 155 #define mxl_fail(ret)                                                   \
 156 ({                                                                      \
 157         int __ret;                                                      \
 158         __ret = (ret < 0);                                              \
 159         if ((__ret) && (MXL_ADV_DEBUG_ENABLED & MXL_ADV_DBG))           \
 160                 mxl_printk(KERN_ERR, "error %d on line %d",             \
 161                            ret, __LINE__);                              \
 162         __ret;                                                          \
 163 })
 164
 165 #endif /* _DVB_USB_MXL111SF_H_ */