Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 1 | /* |
| 2 | * bsbe1.h - ALPS BSBE1 tuner support (moved from av7110.c) |
| 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[] = { |
| 29 | 0x01, 0x15, |
| 30 | 0x02, 0x30, |
| 31 | 0x03, 0x00, |
| 32 | 0x04, 0x7d, /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */ |
| 33 | 0x05, 0x35, /* I2CT = 0, SCLT = 1, SDAT = 1 */ |
| 34 | 0x06, 0x40, /* DAC not used, set to high impendance mode */ |
| 35 | 0x07, 0x00, /* DAC LSB */ |
| 36 | 0x08, 0x40, /* DiSEqC off, LNB power on OP2/LOCK pin on */ |
| 37 | 0x09, 0x00, /* FIFO */ |
| 38 | 0x0c, 0x51, /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */ |
| 39 | 0x0d, 0x82, /* DC offset compensation = ON, beta_agc1 = 2 */ |
| 40 | 0x0e, 0x23, /* alpha_tmg = 2, beta_tmg = 3 */ |
| 41 | 0x10, 0x3f, // AGC2 0x3d |
| 42 | 0x11, 0x84, |
| 43 | 0x12, 0xb9, |
| 44 | 0x15, 0xc9, // lock detector threshold |
| 45 | 0x16, 0x00, |
| 46 | 0x17, 0x00, |
| 47 | 0x18, 0x00, |
| 48 | 0x19, 0x00, |
| 49 | 0x1a, 0x00, |
| 50 | 0x1f, 0x50, |
| 51 | 0x20, 0x00, |
| 52 | 0x21, 0x00, |
| 53 | 0x22, 0x00, |
| 54 | 0x23, 0x00, |
| 55 | 0x28, 0x00, // out imp: normal out type: parallel FEC mode:0 |
| 56 | 0x29, 0x1e, // 1/2 threshold |
| 57 | 0x2a, 0x14, // 2/3 threshold |
| 58 | 0x2b, 0x0f, // 3/4 threshold |
| 59 | 0x2c, 0x09, // 5/6 threshold |
| 60 | 0x2d, 0x05, // 7/8 threshold |
| 61 | 0x2e, 0x01, |
| 62 | 0x31, 0x1f, // test all FECs |
| 63 | 0x32, 0x19, // viterbi and synchro search |
| 64 | 0x33, 0xfc, // rs control |
| 65 | 0x34, 0x93, // error control |
| 66 | 0x0f, 0x92, |
| 67 | 0xff, 0xff |
| 68 | }; |
| 69 | |
| 70 | |
| 71 | static int alps_bsbe1_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio) |
| 72 | { |
| 73 | u8 aclk = 0; |
| 74 | u8 bclk = 0; |
| 75 | |
| 76 | if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; } |
| 77 | else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; } |
| 78 | else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; } |
| 79 | else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; } |
| 80 | else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; } |
| 81 | else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; } |
| 82 | |
| 83 | stv0299_writereg(fe, 0x13, aclk); |
| 84 | stv0299_writereg(fe, 0x14, bclk); |
| 85 | stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff); |
| 86 | stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff); |
| 87 | stv0299_writereg(fe, 0x21, (ratio ) & 0xf0); |
| 88 | |
| 89 | return 0; |
| 90 | } |
| 91 | |
Andrew de Quincey | c72bf90 | 2006-04-18 17:47:11 -0300 | [diff] [blame] | 92 | static int alps_bsbe1_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters *params) |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 93 | { |
| 94 | int ret; |
| 95 | u8 data[4]; |
| 96 | u32 div; |
| 97 | struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) }; |
Andrew de Quincey | c72bf90 | 2006-04-18 17:47:11 -0300 | [diff] [blame] | 98 | struct i2c_adapter *i2c = fe->tuner_priv; |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 99 | |
| 100 | if ((params->frequency < 950000) || (params->frequency > 2150000)) |
| 101 | return -EINVAL; |
| 102 | |
| 103 | div = (params->frequency + (125 - 1)) / 125; // round correctly |
| 104 | data[0] = (div >> 8) & 0x7f; |
| 105 | data[1] = div & 0xff; |
| 106 | data[2] = 0x80 | ((div & 0x18000) >> 10) | 4; |
| 107 | data[3] = (params->frequency > 1530000) ? 0xE0 : 0xE4; |
| 108 | |
Patrick Boettcher | dea7486 | 2006-05-14 05:01:31 -0300 | [diff] [blame] | 109 | if (fe->ops.i2c_gate_ctrl) |
| 110 | fe->ops.i2c_gate_ctrl(fe, 1); |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 111 | ret = i2c_transfer(i2c, &msg, 1); |
| 112 | return (ret != 1) ? -EIO : 0; |
| 113 | } |
| 114 | |
| 115 | static struct stv0299_config alps_bsbe1_config = { |
| 116 | .demod_address = 0x68, |
| 117 | .inittab = alps_bsbe1_inittab, |
| 118 | .mclk = 88000000UL, |
| 119 | .invert = 1, |
| 120 | .skip_reinit = 0, |
| 121 | .min_delay_ms = 100, |
| 122 | .set_symbol_rate = alps_bsbe1_set_symbol_rate, |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 123 | }; |
| 124 | |
| 125 | #endif |