Commit | Line | Data |
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2f27bdce | 1 | /* |
94ad6de7 | 2 | * bsbe1.h - ALPS BSBE1 tuner support |
2f27bdce OE |
3 | * |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version 2 | |
7 | * of the License, or (at your option) any later version. | |
8 | * | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
bcb63314 SA |
15 | * To obtain the license, point your browser to |
16 | * http://www.gnu.org/copyleft/gpl.html | |
2f27bdce OE |
17 | * |
18 | * | |
991ce92f | 19 | * the project's page is at https://linuxtv.org |
2f27bdce OE |
20 | */ |
21 | ||
22 | #ifndef BSBE1_H | |
23 | #define BSBE1_H | |
24 | ||
25 | static u8 alps_bsbe1_inittab[] = { | |
94ad6de7 OE |
26 | 0x01, 0x15, /* XTAL = 4MHz, VCO = 352 MHz */ |
27 | 0x02, 0x30, /* MCLK = 88 MHz */ | |
28 | 0x03, 0x00, /* ACR output 0 */ | |
2f27bdce | 29 | 0x04, 0x7d, /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */ |
94ad6de7 OE |
30 | 0x05, 0x05, /* I2CT = 0, SCLT = 1, SDAT = 1 */ |
31 | 0x06, 0x00, /* DAC output 0 */ | |
2f27bdce OE |
32 | 0x08, 0x40, /* DiSEqC off, LNB power on OP2/LOCK pin on */ |
33 | 0x09, 0x00, /* FIFO */ | |
94ad6de7 OE |
34 | 0x0c, 0x51, /* OP1/OP0 normal, val = 1 (LNB power on) */ |
35 | 0x0d, 0x82, /* DC offset compensation = on, beta_agc1 = 2 */ | |
36 | 0x0f, 0x92, /* AGC1R */ | |
37 | 0x10, 0x34, /* AGC2O */ | |
38 | 0x11, 0x84, /* TLSR */ | |
39 | 0x12, 0xb9, /* CFD */ | |
40 | 0x15, 0xc9, /* lock detector threshold */ | |
41 | 0x28, 0x00, /* out imp: normal, type: parallel, FEC mode: QPSK */ | |
42 | 0x33, 0xfc, /* RS control */ | |
43 | 0x34, 0x93, /* count viterbi bit errors per 2E18 bytes */ | |
2f27bdce OE |
44 | 0xff, 0xff |
45 | }; | |
46 | ||
47 | ||
48 | static int alps_bsbe1_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio) | |
49 | { | |
50 | u8 aclk = 0; | |
51 | u8 bclk = 0; | |
52 | ||
53 | if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; } | |
54 | else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; } | |
55 | else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; } | |
56 | else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; } | |
57 | else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; } | |
58 | else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; } | |
59 | ||
60 | stv0299_writereg(fe, 0x13, aclk); | |
61 | stv0299_writereg(fe, 0x14, bclk); | |
62 | stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff); | |
63 | stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff); | |
64 | stv0299_writereg(fe, 0x21, (ratio ) & 0xf0); | |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
14d24d14 | 69 | static int alps_bsbe1_tuner_set_params(struct dvb_frontend *fe) |
2f27bdce | 70 | { |
e7e10deb | 71 | struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
2f27bdce OE |
72 | int ret; |
73 | u8 data[4]; | |
74 | u32 div; | |
75 | struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) }; | |
c72bf909 | 76 | struct i2c_adapter *i2c = fe->tuner_priv; |
2f27bdce | 77 | |
e7e10deb | 78 | if ((p->frequency < 950000) || (p->frequency > 2150000)) |
2f27bdce OE |
79 | return -EINVAL; |
80 | ||
e7e10deb | 81 | div = p->frequency / 1000; |
2f27bdce OE |
82 | data[0] = (div >> 8) & 0x7f; |
83 | data[1] = div & 0xff; | |
94ad6de7 OE |
84 | data[2] = 0x80 | ((div & 0x18000) >> 10) | 0x1; |
85 | data[3] = 0xe0; | |
2f27bdce | 86 | |
dea74869 PB |
87 | if (fe->ops.i2c_gate_ctrl) |
88 | fe->ops.i2c_gate_ctrl(fe, 1); | |
2f27bdce OE |
89 | ret = i2c_transfer(i2c, &msg, 1); |
90 | return (ret != 1) ? -EIO : 0; | |
91 | } | |
92 | ||
93 | static struct stv0299_config alps_bsbe1_config = { | |
94 | .demod_address = 0x68, | |
95 | .inittab = alps_bsbe1_inittab, | |
96 | .mclk = 88000000UL, | |
97 | .invert = 1, | |
98 | .skip_reinit = 0, | |
99 | .min_delay_ms = 100, | |
100 | .set_symbol_rate = alps_bsbe1_set_symbol_rate, | |
2f27bdce OE |
101 | }; |
102 | ||
103 | #endif |