Henk Vergonet | 89f9257 | 2007-08-09 11:02:30 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Driver for Micronas DVB-T drx397xD demodulator |
| 3 | * |
| 4 | * Copyright (C) 2007 Henk vergonet <Henk.Vergonet@gmail.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * |
| 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 _DRX397XD_H_INCLUDED |
| 23 | #define _DRX397XD_H_INCLUDED |
| 24 | |
| 25 | #include <linux/dvb/frontend.h> |
| 26 | |
| 27 | #define DRX_F_STEPSIZE 166667 |
| 28 | #define DRX_F_OFFSET 36000000 |
| 29 | |
| 30 | #define I2C_ADR_C0(x) \ |
Harvey Harrison | 95908ec | 2008-08-20 20:44:50 -0300 | [diff] [blame] | 31 | ( cpu_to_le32( \ |
Henk Vergonet | 89f9257 | 2007-08-09 11:02:30 -0300 | [diff] [blame] | 32 | (u32)( \ |
| 33 | (((u32)(x) & (u32)0x000000ffUL) ) | \ |
| 34 | (((u32)(x) & (u32)0x0000ff00UL) << 16) | \ |
| 35 | (((u32)(x) & (u32)0x0fff0000UL) >> 8) | \ |
| 36 | ( (u32)0x00c00000UL) \ |
| 37 | )) \ |
| 38 | ) |
| 39 | |
| 40 | #define I2C_ADR_E0(x) \ |
Harvey Harrison | 95908ec | 2008-08-20 20:44:50 -0300 | [diff] [blame] | 41 | ( cpu_to_le32( \ |
Henk Vergonet | 89f9257 | 2007-08-09 11:02:30 -0300 | [diff] [blame] | 42 | (u32)( \ |
| 43 | (((u32)(x) & (u32)0x000000ffUL) ) | \ |
| 44 | (((u32)(x) & (u32)0x0000ff00UL) << 16) | \ |
| 45 | (((u32)(x) & (u32)0x0fff0000UL) >> 8) | \ |
| 46 | ( (u32)0x00e00000UL) \ |
| 47 | )) \ |
| 48 | ) |
| 49 | |
| 50 | struct drx397xD_CfgRfAgc /* 0x7c */ |
| 51 | { |
| 52 | int d00; /* 2 */ |
| 53 | u16 w04; |
| 54 | u16 w06; |
| 55 | }; |
| 56 | |
| 57 | struct drx397xD_CfgIfAgc /* 0x68 */ |
| 58 | { |
| 59 | int d00; /* 0 */ |
| 60 | u16 w04; /* 0 */ |
| 61 | u16 w06; |
| 62 | u16 w08; |
| 63 | u16 w0A; |
| 64 | u16 w0C; |
| 65 | }; |
| 66 | |
| 67 | struct drx397xD_s20 { |
| 68 | int d04; |
| 69 | u32 d18; |
| 70 | u32 d1C; |
| 71 | u32 d20; |
| 72 | u32 d14; |
| 73 | u32 d24; |
| 74 | u32 d0C; |
| 75 | u32 d08; |
| 76 | }; |
| 77 | |
| 78 | struct drx397xD_config |
| 79 | { |
| 80 | /* demodulator's I2C address */ |
| 81 | u8 demod_address; /* 0x0f */ |
| 82 | |
| 83 | struct drx397xD_CfgIfAgc ifagc; /* 0x68 */ |
| 84 | struct drx397xD_CfgRfAgc rfagc; /* 0x7c */ |
| 85 | u32 s20d24; |
| 86 | |
| 87 | /* HI_CfgCommand parameters */ |
| 88 | u16 w50, w52, /* w54, */ w56; |
| 89 | |
| 90 | int d5C; |
| 91 | int d60; |
| 92 | int d48; |
| 93 | int d28; |
| 94 | |
| 95 | u32 f_if; /* d14: intermediate frequency [Hz] */ |
| 96 | /* 36000000 on Cinergy 2400i DT */ |
| 97 | /* 42800000 on Pinnacle Hybrid PRO 330e */ |
| 98 | |
| 99 | u16 f_osc; /* s66: 48000 oscillator frequency [kHz] */ |
| 100 | |
| 101 | u16 w92; /* 20000 */ |
| 102 | |
| 103 | u16 wA0; |
| 104 | u16 w98; |
| 105 | u16 w9A; |
| 106 | |
| 107 | u16 w9C; /* 0xe0 */ |
| 108 | u16 w9E; /* 0x00 */ |
| 109 | |
| 110 | /* used for signal strength calculations in |
| 111 | drx397x_read_signal_strength |
| 112 | */ |
| 113 | u16 ss78; // 2200 |
| 114 | u16 ss7A; // 150 |
| 115 | u16 ss76; // 820 |
| 116 | }; |
| 117 | |
| 118 | #if defined(CONFIG_DVB_DRX397XD) || (defined(CONFIG_DVB_DRX397XD_MODULE) && defined(MODULE)) |
| 119 | extern struct dvb_frontend* drx397xD_attach(const struct drx397xD_config *config, |
| 120 | struct i2c_adapter *i2c); |
| 121 | #else |
| 122 | static inline struct dvb_frontend* drx397xD_attach(const struct drx397xD_config *config, |
| 123 | struct i2c_adapter *i2c) |
| 124 | { |
Alexander Beregalov | 95fc2ea | 2008-07-21 16:21:58 -0300 | [diff] [blame] | 125 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
Henk Vergonet | 89f9257 | 2007-08-09 11:02:30 -0300 | [diff] [blame] | 126 | return NULL; |
| 127 | } |
| 128 | #endif /* CONFIG_DVB_DRX397XD */ |
| 129 | |
| 130 | #endif /* _DRX397XD_H_INCLUDED */ |