| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * Support for AltoBeam GB20600 (a.k.a DMB-TH) demodulator |
| 3 | * ATBM8830, ATBM8831 |
| 4 | * |
| 5 | * Copyright (C) 2009 David T.L. Wong <davidtlwong@gmail.com> |
| 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 __ATBM8830_H__ |
| 23 | #define __ATBM8830_H__ |
| 24 | |
| 25 | #include <linux/kconfig.h> |
| 26 | #include <linux/dvb/frontend.h> |
| 27 | #include <linux/i2c.h> |
| 28 | |
| 29 | #define ATBM8830_PROD_8830 0 |
| 30 | #define ATBM8830_PROD_8831 1 |
| 31 | |
| 32 | struct atbm8830_config { |
| 33 | |
| 34 | /* product type */ |
| 35 | u8 prod; |
| 36 | |
| 37 | /* the demodulator's i2c address */ |
| 38 | u8 demod_address; |
| 39 | |
| 40 | /* parallel or serial transport stream */ |
| 41 | u8 serial_ts; |
| 42 | |
| 43 | /* transport stream clock output only when receiving valid stream */ |
| 44 | u8 ts_clk_gated; |
| 45 | |
| 46 | /* Decoder sample TS data at rising edge of clock */ |
| 47 | u8 ts_sampling_edge; |
| 48 | |
| 49 | /* Oscillator clock frequency */ |
| 50 | u32 osc_clk_freq; /* in kHz */ |
| 51 | |
| 52 | /* IF frequency */ |
| 53 | u32 if_freq; /* in kHz */ |
| 54 | |
| 55 | /* Swap I/Q for zero IF */ |
| 56 | u8 zif_swap_iq; |
| 57 | |
| 58 | /* Tuner AGC settings */ |
| 59 | u8 agc_min; |
| 60 | u8 agc_max; |
| 61 | u8 agc_hold_loop; |
| 62 | }; |
| 63 | |
| 64 | #if IS_REACHABLE(CONFIG_DVB_ATBM8830) |
| 65 | extern struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config, |
| 66 | struct i2c_adapter *i2c); |
| 67 | #else |
| 68 | static inline |
| 69 | struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config, |
| 70 | struct i2c_adapter *i2c) { |
| 71 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 72 | return NULL; |
| 73 | } |
| 74 | #endif /* CONFIG_DVB_ATBM8830 */ |
| 75 | |
| 76 | #endif /* __ATBM8830_H__ */ |