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   1 /*
   2         STB0899 Multistandard Frontend driver
   3         Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   4
   5         Copyright (C) ST Microelectronics
   6
   7         This program is free software; you can redistribute it and/or modify
   8         it under the terms of the GNU General Public License as published by
   9         the Free Software Foundation; either version 2 of the License, or
  10         (at your option) any later version.
  11
  12         This program is distributed in the hope that it will be useful,
  13         but WITHOUT ANY WARRANTY; without even the implied warranty of
  14         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  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 #ifndef __STB0899_PRIV_H
  23 #define __STB0899_PRIV_H
  24
  25 #include "dvb_frontend.h"
  26 #include "stb0899_drv.h"
  27
  28 #define FE_ERROR                                0
  29 #define FE_NOTICE                               1
  30 #define FE_INFO                                 2
  31 #define FE_DEBUG                                3
  32 #define FE_DEBUGREG                             4
  33
  34 #define dprintk(x, y, z, format, arg...) do {                                           \
  35         if (z) {                                                                        \
  36                 if      ((*x > FE_ERROR) && (*x > y))                                   \
  37                         printk(KERN_ERR "%s: " format "\n", __func__ , ##arg);          \
  38                 else if ((*x > FE_NOTICE) && (*x > y))                                  \
  39                         printk(KERN_NOTICE "%s: " format "\n", __func__ , ##arg);       \
  40                 else if ((*x > FE_INFO) && (*x > y))                                    \
  41                         printk(KERN_INFO "%s: " format "\n", __func__ , ##arg);         \
  42                 else if ((*x > FE_DEBUG) && (*x > y))                                   \
  43                         printk(KERN_DEBUG "%s: " format "\n", __func__ , ##arg);        \
  44         } else {                                                                        \
  45                 if (*x > y)                                                             \
  46                         printk(format, ##arg);                                          \
  47         }                                                                               \
  48 } while(0)
  49
  50 #define INRANGE(val, x, y)                      (((x <= val) && (val <= y)) ||          \
  51                                                  ((y <= val) && (val <= x)) ? 1 : 0)
  52
  53 #define BYTE0                                   0
  54 #define BYTE1                                   8
  55 #define BYTE2                                   16
  56 #define BYTE3                                   24
  57
  58 #define GETBYTE(x, y)                           (((x) >> (y)) & 0xff)
  59 #define MAKEWORD32(a, b, c, d)                  (((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
  60 #define MAKEWORD16(a, b)                        (((a) << 8) | (b))
  61
  62 #define LSB(x)                                  ((x & 0xff))
  63 #define MSB(y)                                  ((y >> 8) & 0xff)
  64
  65
  66 #define STB0899_GETFIELD(bitf, val)             ((val >> STB0899_OFFST_##bitf) & ((1 << STB0899_WIDTH_##bitf) - 1))
  67
  68
  69 #define STB0899_SETFIELD(mask, val, width, offset)      (mask & (~(((1 << width) - 1) <<        \
  70                                                          offset))) | ((val &                    \
  71                                                          ((1 << width) - 1)) << offset)
  72
  73 #define STB0899_SETFIELD_VAL(bitf, mask, val)   (mask = (mask & (~(((1 << STB0899_WIDTH_##bitf) - 1) <<\
  74                                                          STB0899_OFFST_##bitf))) | \
  75                                                          (val << STB0899_OFFST_##bitf))
  76
  77
  78 enum stb0899_status {
  79         NOAGC1  = 0,
  80         AGC1OK,
  81         NOTIMING,
  82         ANALOGCARRIER,
  83         TIMINGOK,
  84         NOAGC2,
  85         AGC2OK,
  86         NOCARRIER,
  87         CARRIEROK,
  88         NODATA,
  89         FALSELOCK,
  90         DATAOK,
  91         OUTOFRANGE,
  92         RANGEOK,
  93         DVBS2_DEMOD_LOCK,
  94         DVBS2_DEMOD_NOLOCK,
  95         DVBS2_FEC_LOCK,
  96         DVBS2_FEC_NOLOCK
  97 };
  98
  99 enum stb0899_modcod {
 100         STB0899_DUMMY_PLF,
 101         STB0899_QPSK_14,
 102         STB0899_QPSK_13,
 103         STB0899_QPSK_25,
 104         STB0899_QPSK_12,
 105         STB0899_QPSK_35,
 106         STB0899_QPSK_23,
 107         STB0899_QPSK_34,
 108         STB0899_QPSK_45,
 109         STB0899_QPSK_56,
 110         STB0899_QPSK_89,
 111         STB0899_QPSK_910,
 112         STB0899_8PSK_35,
 113         STB0899_8PSK_23,
 114         STB0899_8PSK_34,
 115         STB0899_8PSK_56,
 116         STB0899_8PSK_89,
 117         STB0899_8PSK_910,
 118         STB0899_16APSK_23,
 119         STB0899_16APSK_34,
 120         STB0899_16APSK_45,
 121         STB0899_16APSK_56,
 122         STB0899_16APSK_89,
 123         STB0899_16APSK_910,
 124         STB0899_32APSK_34,
 125         STB0899_32APSK_45,
 126         STB0899_32APSK_56,
 127         STB0899_32APSK_89,
 128         STB0899_32APSK_910
 129 };
 130
 131 enum stb0899_frame {
 132         STB0899_LONG_FRAME,
 133         STB0899_SHORT_FRAME
 134 };
 135
 136 enum stb0899_alpha {
 137         RRC_20,
 138         RRC_25,
 139         RRC_35
 140 };
 141
 142 struct stb0899_tab {
 143         s32 real;
 144         s32 read;
 145 };
 146
 147 enum stb0899_fec {
 148         STB0899_FEC_1_2                 = 13,
 149         STB0899_FEC_2_3                 = 18,
 150         STB0899_FEC_3_4                 = 21,
 151         STB0899_FEC_5_6                 = 24,
 152         STB0899_FEC_6_7                 = 25,
 153         STB0899_FEC_7_8                 = 26
 154 };
 155
 156 struct stb0899_params {
 157         u32     freq;                                   /* Frequency    */
 158         u32     srate;                                  /* Symbol rate  */
 159         enum fe_code_rate fecrate;
 160 };
 161
 162 struct stb0899_internal {
 163         u32                     master_clk;
 164         u32                     freq;                   /* Demod internal Frequency             */
 165         u32                     srate;                  /* Demod internal Symbol rate           */
 166         enum stb0899_fec        fecrate;                /* Demod internal FEC rate              */
 167         s32                     srch_range;             /* Demod internal Search Range          */
 168         s32                     sub_range;              /* Demod current sub range (Hz)         */
 169         s32                     tuner_step;             /* Tuner step (Hz)                      */
 170         s32                     tuner_offst;            /* Relative offset to carrier (Hz)      */
 171         u32                     tuner_bw;               /* Current bandwidth of the tuner (Hz)  */
 172
 173         s32                     mclk;                   /* Masterclock Divider factor (binary)  */
 174         s32                     rolloff;                /* Current RollOff of the filter (x100) */
 175
 176         s16                     derot_freq;             /* Current derotator frequency (Hz)     */
 177         s16                     derot_percent;
 178
 179         s16                     direction;              /* Current derotator search direction   */
 180         s16                     derot_step;             /* Derotator step (binary value)        */
 181         s16                     t_derot;                /* Derotator time constant (ms)         */
 182         s16                     t_data;                 /* Data recovery time constant (ms)     */
 183         s16                     sub_dir;                /* Direction of the next sub range      */
 184
 185         s16                     t_agc1;                 /* Agc1 time constant (ms)              */
 186         s16                     t_agc2;                 /* Agc2 time constant (ms)              */
 187
 188         u32                     lock;                   /* Demod internal lock state            */
 189         enum stb0899_status     status;                 /* Demod internal status                */
 190
 191         /* DVB-S2 */
 192         s32                     agc_gain;               /* RF AGC Gain                          */
 193         s32                     center_freq;            /* Nominal carrier frequency            */
 194         s32                     av_frame_coarse;        /* Coarse carrier freq search frames    */
 195         s32                     av_frame_fine;          /* Fine carrier freq search frames      */
 196
 197         s16                     step_size;              /* Carrier frequency search step size   */
 198
 199         enum stb0899_alpha      rrc_alpha;
 200         enum stb0899_inversion  inversion;
 201         enum stb0899_modcod     modcod;
 202         u8                      pilots;                 /* Pilots found                         */
 203
 204         enum stb0899_frame      frame_length;
 205         u8                      v_status;               /* VSTATUS                              */
 206         u8                      err_ctrl;               /* ERRCTRLn                             */
 207 };
 208
 209 struct stb0899_state {
 210         struct i2c_adapter              *i2c;
 211         struct stb0899_config           *config;
 212         struct dvb_frontend             frontend;
 213
 214         u32                             *verbose;       /* Cached module verbosity level        */
 215
 216         struct stb0899_internal         internal;       /* Device internal parameters           */
 217
 218         /*      cached params from API  */
 219         enum fe_delivery_system         delsys;
 220         struct stb0899_params           params;
 221
 222         u32                             rx_freq;        /* DiSEqC 2.0 receiver freq             */
 223         struct mutex                    search_lock;
 224 };
 225 /* stb0899.c            */
 226 extern int stb0899_read_reg(struct stb0899_state *state,
 227                             unsigned int reg);
 228
 229 extern u32 _stb0899_read_s2reg(struct stb0899_state *state,
 230                                u32 stb0899_i2cdev,
 231                                u32 stb0899_base_addr,
 232                                u16 stb0899_reg_offset);
 233
 234 extern int stb0899_read_regs(struct stb0899_state *state,
 235                              unsigned int reg, u8 *buf,
 236                              u32 count);
 237
 238 extern int stb0899_write_regs(struct stb0899_state *state,
 239                               unsigned int reg, u8 *data,
 240                               u32 count);
 241
 242 extern int stb0899_write_reg(struct stb0899_state *state,
 243                              unsigned int reg,
 244                              u8 data);
 245
 246 extern int stb0899_write_s2reg(struct stb0899_state *state,
 247                                u32 stb0899_i2cdev,
 248                                u32 stb0899_base_addr,
 249                                u16 stb0899_reg_offset,
 250                                u32 stb0899_data);
 251
 252 extern int stb0899_i2c_gate_ctrl(struct dvb_frontend *fe, int enable);
 253
 254
 255 #define STB0899_READ_S2REG(DEVICE, REG)         (_stb0899_read_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG))
 256 //#define STB0899_WRITE_S2REG(DEVICE, REG, DATA)        (_stb0899_write_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG, DATA))
 257
 258 /* stb0899_algo.c       */
 259 extern enum stb0899_status stb0899_dvbs_algo(struct stb0899_state *state);
 260 extern enum stb0899_status stb0899_dvbs2_algo(struct stb0899_state *state);
 261 extern long stb0899_carr_width(struct stb0899_state *state);
 262
 263 #endif //__STB0899_PRIV_H