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 | * | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | * Or, point your browser to http://www.gnu.org/copyleft/gpl.html | |
20 | * | |
21 | * | |
22 | * the project's page is at http://www.linuxtv.org | |
23 | */ | |
24 | ||
25 | #ifndef BSBE1_H | |
26 | #define BSBE1_H | |
27 | ||
28 | static u8 alps_bsbe1_inittab[] = { | |
94ad6de7 OE |
29 | 0x01, 0x15, /* XTAL = 4MHz, VCO = 352 MHz */ |
30 | 0x02, 0x30, /* MCLK = 88 MHz */ | |
31 | 0x03, 0x00, /* ACR output 0 */ | |
2f27bdce | 32 | 0x04, 0x7d, /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */ |
94ad6de7 OE |
33 | 0x05, 0x05, /* I2CT = 0, SCLT = 1, SDAT = 1 */ |
34 | 0x06, 0x00, /* DAC output 0 */ | |
2f27bdce OE |
35 | 0x08, 0x40, /* DiSEqC off, LNB power on OP2/LOCK pin on */ |
36 | 0x09, 0x00, /* FIFO */ | |
94ad6de7 OE |
37 | 0x0c, 0x51, /* OP1/OP0 normal, val = 1 (LNB power on) */ |
38 | 0x0d, 0x82, /* DC offset compensation = on, beta_agc1 = 2 */ | |
39 | 0x0f, 0x92, /* AGC1R */ | |
40 | 0x10, 0x34, /* AGC2O */ | |
41 | 0x11, 0x84, /* TLSR */ | |
42 | 0x12, 0xb9, /* CFD */ | |
43 | 0x15, 0xc9, /* lock detector threshold */ | |
44 | 0x28, 0x00, /* out imp: normal, type: parallel, FEC mode: QPSK */ | |
45 | 0x33, 0xfc, /* RS control */ | |
46 | 0x34, 0x93, /* count viterbi bit errors per 2E18 bytes */ | |
2f27bdce OE |
47 | 0xff, 0xff |
48 | }; | |
49 | ||
50 | ||
51 | static int alps_bsbe1_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio) | |
52 | { | |
53 | u8 aclk = 0; | |
54 | u8 bclk = 0; | |
55 | ||
56 | if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; } | |
57 | else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; } | |
58 | else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; } | |
59 | else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; } | |
60 | else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; } | |
61 | else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; } | |
62 | ||
63 | stv0299_writereg(fe, 0x13, aclk); | |
64 | stv0299_writereg(fe, 0x14, bclk); | |
65 | stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff); | |
66 | stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff); | |
67 | stv0299_writereg(fe, 0x21, (ratio ) & 0xf0); | |
68 | ||
69 | return 0; | |
70 | } | |
71 | ||
14d24d14 | 72 | static int alps_bsbe1_tuner_set_params(struct dvb_frontend *fe) |
2f27bdce | 73 | { |
e7e10deb | 74 | struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
2f27bdce OE |
75 | int ret; |
76 | u8 data[4]; | |
77 | u32 div; | |
78 | struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) }; | |
c72bf909 | 79 | struct i2c_adapter *i2c = fe->tuner_priv; |
2f27bdce | 80 | |
e7e10deb | 81 | if ((p->frequency < 950000) || (p->frequency > 2150000)) |
2f27bdce OE |
82 | return -EINVAL; |
83 | ||
e7e10deb | 84 | div = p->frequency / 1000; |
2f27bdce OE |
85 | data[0] = (div >> 8) & 0x7f; |
86 | data[1] = div & 0xff; | |
94ad6de7 OE |
87 | data[2] = 0x80 | ((div & 0x18000) >> 10) | 0x1; |
88 | data[3] = 0xe0; | |
2f27bdce | 89 | |
dea74869 PB |
90 | if (fe->ops.i2c_gate_ctrl) |
91 | fe->ops.i2c_gate_ctrl(fe, 1); | |
2f27bdce OE |
92 | ret = i2c_transfer(i2c, &msg, 1); |
93 | return (ret != 1) ? -EIO : 0; | |
94 | } | |
95 | ||
96 | static struct stv0299_config alps_bsbe1_config = { | |
97 | .demod_address = 0x68, | |
98 | .inittab = alps_bsbe1_inittab, | |
99 | .mclk = 88000000UL, | |
100 | .invert = 1, | |
101 | .skip_reinit = 0, | |
102 | .min_delay_ms = 100, | |
103 | .set_symbol_rate = alps_bsbe1_set_symbol_rate, | |
2f27bdce OE |
104 | }; |
105 | ||
106 | #endif |