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| 1 | +/* |
| 2 | + * Rafael Micro R820T/R828D driver |
| 3 | + * |
| 4 | + * Copyright (C) 2013 Mauro Carvalho Chehab <[email protected]> |
| 5 | + * Copyright (C) 2013 Steve Markgraf <[email protected]> |
| 6 | + * |
| 7 | + * This driver is a heavily modified version of the driver found in the |
| 8 | + * Linux kernel: |
| 9 | + * http://git.linuxtv.org/linux-2.6.git/history/HEAD:/drivers/media/tuners/r820t.c |
| 10 | + * |
| 11 | + * This program is free software: you can redistribute it and/or modify |
| 12 | + * it under the terms of the GNU General Public License as published by |
| 13 | + * the Free Software Foundation, either version 2 of the License, or |
| 14 | + * (at your option) any later version. |
| 15 | + * |
| 16 | + * This program is distributed in the hope that it will be useful, |
| 17 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | + * GNU General Public License for more details. |
| 20 | + * |
| 21 | + * You should have received a copy of the GNU General Public License |
| 22 | + * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 23 | + */ |
| 24 | + |
| 25 | +#ifndef R82XX_H |
| 26 | +#define R82XX_H |
| 27 | + |
| 28 | +#define R820T_I2C_ADDR 0x34 |
| 29 | +#define R828D_I2C_ADDR 0x74 |
| 30 | +#define R828D_XTAL_FREQ 16000000 |
| 31 | + |
| 32 | +#define R82XX_CHECK_ADDR 0x00 |
| 33 | +#define R82XX_CHECK_VAL 0x69 |
| 34 | + |
| 35 | +#define R82XX_IF_FREQ 3570000 |
| 36 | + |
| 37 | +#define REG_SHADOW_START 5 |
| 38 | +#define NUM_REGS 30 |
| 39 | +#define NUM_IMR 5 |
| 40 | +#define IMR_TRIAL 9 |
| 41 | + |
| 42 | +#define VER_NUM 49 |
| 43 | + |
| 44 | +enum r82xx_chip { |
| 45 | + CHIP_R820T, |
| 46 | + CHIP_R620D, |
| 47 | + CHIP_R828D, |
| 48 | + CHIP_R828, |
| 49 | + CHIP_R828S, |
| 50 | + CHIP_R820C, |
| 51 | +}; |
| 52 | + |
| 53 | +enum r82xx_tuner_type { |
| 54 | + TUNER_RADIO = 1, |
| 55 | + TUNER_ANALOG_TV, |
| 56 | + TUNER_DIGITAL_TV |
| 57 | +}; |
| 58 | + |
| 59 | +enum r82xx_xtal_cap_value { |
| 60 | + XTAL_LOW_CAP_30P = 0, |
| 61 | + XTAL_LOW_CAP_20P, |
| 62 | + XTAL_LOW_CAP_10P, |
| 63 | + XTAL_LOW_CAP_0P, |
| 64 | + XTAL_HIGH_CAP_0P |
| 65 | +}; |
| 66 | + |
| 67 | +struct r82xx_config { |
| 68 | + uint8_t i2c_addr; |
| 69 | + uint32_t xtal; |
| 70 | + enum r82xx_chip rafael_chip; |
| 71 | + unsigned int max_i2c_msg_len; |
| 72 | + int use_predetect; |
| 73 | +}; |
| 74 | + |
| 75 | +struct r82xx_priv { |
| 76 | + struct r82xx_config *cfg; |
| 77 | + |
| 78 | + uint8_t regs[NUM_REGS]; |
| 79 | + uint8_t buf[NUM_REGS + 1]; |
| 80 | + enum r82xx_xtal_cap_value xtal_cap_sel; |
| 81 | + uint16_t pll; /* kHz */ |
| 82 | + uint32_t int_freq; |
| 83 | + uint8_t fil_cal_code; |
| 84 | + uint8_t input; |
| 85 | + int has_lock; |
| 86 | + int init_done; |
| 87 | + |
| 88 | + /* Store current mode */ |
| 89 | + uint32_t delsys; |
| 90 | + enum r82xx_tuner_type type; |
| 91 | + |
| 92 | + uint32_t bw; /* in MHz */ |
| 93 | + |
| 94 | + void *rtl_dev; |
| 95 | +}; |
| 96 | + |
| 97 | +struct r82xx_freq_range { |
| 98 | + uint32_t freq; |
| 99 | + uint8_t open_d; |
| 100 | + uint8_t rf_mux_ploy; |
| 101 | + uint8_t tf_c; |
| 102 | + uint8_t xtal_cap20p; |
| 103 | + uint8_t xtal_cap10p; |
| 104 | + uint8_t xtal_cap0p; |
| 105 | +}; |
| 106 | + |
| 107 | +enum r82xx_delivery_system { |
| 108 | + SYS_UNDEFINED, |
| 109 | + SYS_DVBT, |
| 110 | + SYS_DVBT2, |
| 111 | + SYS_ISDBT, |
| 112 | +}; |
| 113 | + |
| 114 | +int r82xx_standby(struct r82xx_priv *priv); |
| 115 | +int r82xx_init(struct r82xx_priv *priv); |
| 116 | +int r82xx_set_freq(struct r82xx_priv *priv, uint32_t freq); |
| 117 | +int r82xx_set_gain(struct r82xx_priv *priv, int set_manual_gain, int gain); |
| 118 | + |
| 119 | +#endif |
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