drivers/media/dvb-frontends/stb0899_priv.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3         STB0899 Multistandard Frontend driver
   4         Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   5
   6         Copyright (C) ST Microelectronics
   7
   8 */
   9
  10 #ifndef __STB0899_PRIV_H
  11 #define __STB0899_PRIV_H
  12
  13 #include <media/dvb_frontend.h>
  14 #include "stb0899_drv.h"
  15
  16 #define FE_ERROR                                0
  17 #define FE_NOTICE                               1
  18 #define FE_INFO                                 2
  19 #define FE_DEBUG                                3
  20 #define FE_DEBUGREG                             4
  21
  22 #define dprintk(x, y, z, format, arg...) do {                                           \
  23         if (z) {                                                                        \
  24                 if      ((*x > FE_ERROR) && (*x > y))                                   \
  25                         printk(KERN_ERR "%s: " format "\n", __func__ , ##arg);          \
  26                 else if ((*x > FE_NOTICE) && (*x > y))                                  \
  27                         printk(KERN_NOTICE "%s: " format "\n", __func__ , ##arg);       \
  28                 else if ((*x > FE_INFO) && (*x > y))                                    \
  29                         printk(KERN_INFO "%s: " format "\n", __func__ , ##arg);         \
  30                 else if ((*x > FE_DEBUG) && (*x > y))                                   \
  31                         printk(KERN_DEBUG "%s: " format "\n", __func__ , ##arg);        \
  32         } else {                                                                        \
  33                 if (*x > y)                                                             \
  34                         printk(format, ##arg);                                          \
  35         }                                                                               \
  36 } while(0)
  37
  38 #define INRANGE(val, x, y)                      (((x <= val) && (val <= y)) ||          \
  39                                                  ((y <= val) && (val <= x)) ? 1 : 0)
  40
  41 #define BYTE0                                   0
  42 #define BYTE1                                   8
  43 #define BYTE2                                   16
  44 #define BYTE3                                   24
  45
  46 #define GETBYTE(x, y)                           (((x) >> (y)) & 0xff)
  47 #define MAKEWORD32(a, b, c, d)                  (((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
  48 #define MAKEWORD16(a, b)                        (((a) << 8) | (b))
  49
  50 #define LSB(x)                                  ((x & 0xff))
  51 #define MSB(y)                                  ((y >> 8) & 0xff)
  52
  53
  54 #define STB0899_GETFIELD(bitf, val)             ((val >> STB0899_OFFST_##bitf) & ((1 << STB0899_WIDTH_##bitf) - 1))
  55
  56
  57 #define STB0899_SETFIELD(mask, val, width, offset)      (mask & (~(((1 << width) - 1) <<        \
  58                                                          offset))) | ((val &                    \
  59                                                          ((1 << width) - 1)) << offset)
  60
  61 #define STB0899_SETFIELD_VAL(bitf, mask, val)   (mask = (mask & (~(((1 << STB0899_WIDTH_##bitf) - 1) <<\
  62                                                          STB0899_OFFST_##bitf))) | \
  63                                                          (val << STB0899_OFFST_##bitf))
  64
  65
  66 enum stb0899_status {
  67         NOAGC1  = 0,
  68         AGC1OK,
  69         NOTIMING,
  70         ANALOGCARRIER,
  71         TIMINGOK,
  72         NOAGC2,
  73         AGC2OK,
  74         NOCARRIER,
  75         CARRIEROK,
  76         NODATA,
  77         FALSELOCK,
  78         DATAOK,
  79         OUTOFRANGE,
  80         RANGEOK,
  81         DVBS2_DEMOD_LOCK,
  82         DVBS2_DEMOD_NOLOCK,
  83         DVBS2_FEC_LOCK,
  84         DVBS2_FEC_NOLOCK
  85 };
  86
  87 enum stb0899_modcod {
  88         STB0899_DUMMY_PLF,
  89         STB0899_QPSK_14,
  90         STB0899_QPSK_13,
  91         STB0899_QPSK_25,
  92         STB0899_QPSK_12,
  93         STB0899_QPSK_35,
  94         STB0899_QPSK_23,
  95         STB0899_QPSK_34,
  96         STB0899_QPSK_45,
  97         STB0899_QPSK_56,
  98         STB0899_QPSK_89,
  99         STB0899_QPSK_910,
 100         STB0899_8PSK_35,
 101         STB0899_8PSK_23,
 102         STB0899_8PSK_34,
 103         STB0899_8PSK_56,
 104         STB0899_8PSK_89,
 105         STB0899_8PSK_910,
 106         STB0899_16APSK_23,
 107         STB0899_16APSK_34,
 108         STB0899_16APSK_45,
 109         STB0899_16APSK_56,
 110         STB0899_16APSK_89,
 111         STB0899_16APSK_910,
 112         STB0899_32APSK_34,
 113         STB0899_32APSK_45,
 114         STB0899_32APSK_56,
 115         STB0899_32APSK_89,
 116         STB0899_32APSK_910
 117 };
 118
 119 enum stb0899_frame {
 120         STB0899_LONG_FRAME,
 121         STB0899_SHORT_FRAME
 122 };
 123
 124 enum stb0899_alpha {
 125         RRC_20,
 126         RRC_25,
 127         RRC_35
 128 };
 129
 130 struct stb0899_tab {
 131         s32 real;
 132         s32 read;
 133 };
 134
 135 enum stb0899_fec {
 136         STB0899_FEC_1_2                 = 13,
 137         STB0899_FEC_2_3                 = 18,
 138         STB0899_FEC_3_4                 = 21,
 139         STB0899_FEC_5_6                 = 24,
 140         STB0899_FEC_6_7                 = 25,
 141         STB0899_FEC_7_8                 = 26
 142 };
 143
 144 struct stb0899_params {
 145         u32     freq;                                   /* Frequency    */
 146         u32     srate;                                  /* Symbol rate  */
 147         enum fe_code_rate fecrate;
 148 };
 149
 150 struct stb0899_internal {
 151         u32                     master_clk;
 152         u32                     freq;                   /* Demod internal Frequency             */
 153         u32                     srate;                  /* Demod internal Symbol rate           */
 154         enum stb0899_fec        fecrate;                /* Demod internal FEC rate              */
 155         s32                     srch_range;             /* Demod internal Search Range          */
 156         s32                     sub_range;              /* Demod current sub range (Hz)         */
 157         s32                     tuner_step;             /* Tuner step (Hz)                      */
 158         s32                     tuner_offst;            /* Relative offset to carrier (Hz)      */
 159         u32                     tuner_bw;               /* Current bandwidth of the tuner (Hz)  */
 160
 161         s32                     mclk;                   /* Masterclock Divider factor (binary)  */
 162         s32                     rolloff;                /* Current RollOff of the filter (x100) */
 163
 164         s16                     derot_freq;             /* Current derotator frequency (Hz)     */
 165         s16                     derot_percent;
 166
 167         s16                     direction;              /* Current derotator search direction   */
 168         s16                     derot_step;             /* Derotator step (binary value)        */
 169         s16                     t_derot;                /* Derotator time constant (ms)         */
 170         s16                     t_data;                 /* Data recovery time constant (ms)     */
 171         s16                     sub_dir;                /* Direction of the next sub range      */
 172
 173         s16                     t_agc1;                 /* Agc1 time constant (ms)              */
 174         s16                     t_agc2;                 /* Agc2 time constant (ms)              */
 175
 176         u32                     lock;                   /* Demod internal lock state            */
 177         enum stb0899_status     status;                 /* Demod internal status                */
 178
 179         /* DVB-S2 */
 180         s32                     agc_gain;               /* RF AGC Gain                          */
 181         s32                     center_freq;            /* Nominal carrier frequency            */
 182         s32                     av_frame_coarse;        /* Coarse carrier freq search frames    */
 183         s32                     av_frame_fine;          /* Fine carrier freq search frames      */
 184
 185         s16                     step_size;              /* Carrier frequency search step size   */
 186
 187         enum stb0899_alpha      rrc_alpha;
 188         enum stb0899_inversion  inversion;
 189         enum stb0899_modcod     modcod;
 190         u8                      pilots;                 /* Pilots found                         */
 191
 192         enum stb0899_frame      frame_length;
 193         u8                      v_status;               /* VSTATUS                              */
 194         u8                      err_ctrl;               /* ERRCTRLn                             */
 195 };
 196
 197 struct stb0899_state {
 198         struct i2c_adapter              *i2c;
 199         struct stb0899_config           *config;
 200         struct dvb_frontend             frontend;
 201
 202         u32                             *verbose;       /* Cached module verbosity level        */
 203
 204         struct stb0899_internal         internal;       /* Device internal parameters           */
 205
 206         /*      cached params from API  */
 207         enum fe_delivery_system         delsys;
 208         struct stb0899_params           params;
 209
 210         u32                             rx_freq;        /* DiSEqC 2.0 receiver freq             */
 211         struct mutex                    search_lock;
 212 };
 213 /* stb0899.c            */
 214 extern int stb0899_read_reg(struct stb0899_state *state,
 215                             unsigned int reg);
 216
 217 extern u32 _stb0899_read_s2reg(struct stb0899_state *state,
 218                                u32 stb0899_i2cdev,
 219                                u32 stb0899_base_addr,
 220                                u16 stb0899_reg_offset);
 221
 222 extern int stb0899_read_regs(struct stb0899_state *state,
 223                              unsigned int reg, u8 *buf,
 224                              u32 count);
 225
 226 extern int stb0899_write_regs(struct stb0899_state *state,
 227                               unsigned int reg, u8 *data,
 228                               u32 count);
 229
 230 extern int stb0899_write_reg(struct stb0899_state *state,
 231                              unsigned int reg,
 232                              u8 data);
 233
 234 extern int stb0899_write_s2reg(struct stb0899_state *state,
 235                                u32 stb0899_i2cdev,
 236                                u32 stb0899_base_addr,
 237                                u16 stb0899_reg_offset,
 238                                u32 stb0899_data);
 239
 240 extern int stb0899_i2c_gate_ctrl(struct dvb_frontend *fe, int enable);
 241
 242
 243 #define STB0899_READ_S2REG(DEVICE, REG)         (_stb0899_read_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG))
 244 //#define STB0899_WRITE_S2REG(DEVICE, REG, DATA)        (_stb0899_write_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG, DATA))
 245
 246 /* stb0899_algo.c       */
 247 extern enum stb0899_status stb0899_dvbs_algo(struct stb0899_state *state);
 248 extern enum stb0899_status stb0899_dvbs2_algo(struct stb0899_state *state);
 249 extern long stb0899_carr_width(struct stb0899_state *state);
 250
 251 #endif //__STB0899_PRIV_H