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 <media/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 264