247 lines
7.0 KiB
C
247 lines
7.0 KiB
C
/*
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* descriptions + helper functions for simple dvb plls.
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*
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* (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
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#include <linux/dvb/frontend.h>
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#include <asm/types.h>
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#include "dvb-pll.h"
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/* ----------------------------------------------------------- */
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/* descriptions */
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struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
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.name = "Thomson dtt7579",
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.min = 177000000,
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.max = 858000000,
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.count = 5,
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.entries = {
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{ 0, 36166667, 166666, 0xb4, 0x03 }, /* go sleep */
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{ 443250000, 36166667, 166666, 0xb4, 0x02 },
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{ 542000000, 36166667, 166666, 0xb4, 0x08 },
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{ 771000000, 36166667, 166666, 0xbc, 0x08 },
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{ 999999999, 36166667, 166666, 0xf4, 0x08 },
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},
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};
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EXPORT_SYMBOL(dvb_pll_thomson_dtt7579);
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struct dvb_pll_desc dvb_pll_thomson_dtt7610 = {
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.name = "Thomson dtt7610",
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.min = 44000000,
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.max = 958000000,
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.count = 3,
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.entries = {
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{ 157250000, 44000000, 62500, 0x8e, 0x39 },
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{ 454000000, 44000000, 62500, 0x8e, 0x3a },
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{ 999999999, 44000000, 62500, 0x8e, 0x3c },
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},
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};
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EXPORT_SYMBOL(dvb_pll_thomson_dtt7610);
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static void thomson_dtt759x_bw(u8 *buf, int bandwidth)
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{
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if (BANDWIDTH_7_MHZ == bandwidth)
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buf[3] |= 0x10;
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}
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struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
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.name = "Thomson dtt759x",
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.min = 177000000,
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.max = 896000000,
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.setbw = thomson_dtt759x_bw,
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.count = 6,
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.entries = {
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{ 0, 36166667, 166666, 0x84, 0x03 },
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{ 264000000, 36166667, 166666, 0xb4, 0x02 },
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{ 470000000, 36166667, 166666, 0xbc, 0x02 },
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{ 735000000, 36166667, 166666, 0xbc, 0x08 },
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{ 835000000, 36166667, 166666, 0xf4, 0x08 },
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{ 999999999, 36166667, 166666, 0xfc, 0x08 },
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},
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};
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EXPORT_SYMBOL(dvb_pll_thomson_dtt759x);
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struct dvb_pll_desc dvb_pll_lg_z201 = {
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.name = "LG z201",
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.min = 174000000,
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.max = 862000000,
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.count = 5,
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.entries = {
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{ 0, 36166667, 166666, 0xbc, 0x03 },
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{ 443250000, 36166667, 166666, 0xbc, 0x01 },
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{ 542000000, 36166667, 166666, 0xbc, 0x02 },
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{ 830000000, 36166667, 166666, 0xf4, 0x02 },
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{ 999999999, 36166667, 166666, 0xfc, 0x02 },
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},
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};
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EXPORT_SYMBOL(dvb_pll_lg_z201);
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struct dvb_pll_desc dvb_pll_unknown_1 = {
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.name = "unknown 1", /* used by dntv live dvb-t */
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.min = 174000000,
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.max = 862000000,
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.count = 9,
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.entries = {
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{ 150000000, 36166667, 166666, 0xb4, 0x01 },
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{ 173000000, 36166667, 166666, 0xbc, 0x01 },
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{ 250000000, 36166667, 166666, 0xb4, 0x02 },
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{ 400000000, 36166667, 166666, 0xbc, 0x02 },
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{ 420000000, 36166667, 166666, 0xf4, 0x02 },
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{ 470000000, 36166667, 166666, 0xfc, 0x02 },
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{ 600000000, 36166667, 166666, 0xbc, 0x08 },
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{ 730000000, 36166667, 166666, 0xf4, 0x08 },
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{ 999999999, 36166667, 166666, 0xfc, 0x08 },
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},
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};
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EXPORT_SYMBOL(dvb_pll_unknown_1);
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/* Infineon TUA6010XS
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* used in Thomson Cable Tuner
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*/
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struct dvb_pll_desc dvb_pll_tua6010xs = {
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.name = "Infineon TUA6010XS",
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.min = 44250000,
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.max = 858000000,
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.count = 3,
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.entries = {
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{ 115750000, 36125000, 62500, 0x8e, 0x03 },
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{ 403250000, 36125000, 62500, 0x8e, 0x06 },
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{ 999999999, 36125000, 62500, 0x8e, 0x85 },
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},
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};
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EXPORT_SYMBOL(dvb_pll_tua6010xs);
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/* Panasonic env57h1xd5 (some Philips PLL ?) */
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struct dvb_pll_desc dvb_pll_env57h1xd5 = {
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.name = "Panasonic ENV57H1XD5",
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.min = 44250000,
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.max = 858000000,
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.count = 4,
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.entries = {
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{ 153000000, 36291666, 166666, 0xc2, 0x41 },
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{ 470000000, 36291666, 166666, 0xc2, 0x42 },
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{ 526000000, 36291666, 166666, 0xc2, 0x84 },
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{ 999999999, 36291666, 166666, 0xc2, 0xa4 },
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},
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};
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EXPORT_SYMBOL(dvb_pll_env57h1xd5);
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/* Philips TDA6650/TDA6651
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* used in Panasonic ENV77H11D5
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*/
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static void tda665x_bw(u8 *buf, int bandwidth)
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{
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if (bandwidth == BANDWIDTH_8_MHZ)
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buf[3] |= 0x08;
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}
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struct dvb_pll_desc dvb_pll_tda665x = {
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.name = "Philips TDA6650/TDA6651",
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.min = 44250000,
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.max = 858000000,
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.setbw = tda665x_bw,
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.count = 12,
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.entries = {
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{ 93834000, 36249333, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ },
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{ 123834000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
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{ 161000000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
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{ 163834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
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{ 253834000, 36249333, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ },
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{ 383834000, 36249333, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ },
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{ 443834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
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{ 444000000, 36249333, 166667, 0xca, 0xc3 /* 110 0 0 0 11 */ },
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{ 583834000, 36249333, 166667, 0xca, 0x63 /* 011 0 0 0 11 */ },
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{ 793834000, 36249333, 166667, 0xca, 0xa3 /* 101 0 0 0 11 */ },
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{ 444834000, 36249333, 166667, 0xca, 0xc3 /* 110 0 0 0 11 */ },
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{ 861000000, 36249333, 166667, 0xca, 0xe3 /* 111 0 0 0 11 */ },
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}
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};
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EXPORT_SYMBOL(dvb_pll_tda665x);
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/* Infineon TUA6034
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* used in LG TDTP E102P
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*/
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static void tua6034_bw(u8 *buf, int bandwidth)
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{
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if (BANDWIDTH_7_MHZ != bandwidth)
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buf[3] |= 0x08;
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}
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struct dvb_pll_desc dvb_pll_tua6034 = {
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.name = "Infineon TUA6034",
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.min = 44250000,
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.max = 858000000,
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.count = 3,
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.setbw = tua6034_bw,
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.entries = {
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{ 174500000, 36166667, 62500, 0xce, 0x01 },
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{ 230000000, 36166667, 62500, 0xce, 0x02 },
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{ 999999999, 36166667, 62500, 0xce, 0x04 },
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},
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};
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EXPORT_SYMBOL(dvb_pll_tua6034);
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/* ----------------------------------------------------------- */
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/* code */
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static int debug = 0;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "enable verbose debug messages");
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int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
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u32 freq, int bandwidth)
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{
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u32 div;
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int i;
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if (freq != 0 && (freq < desc->min || freq > desc->max))
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return -EINVAL;
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for (i = 0; i < desc->count; i++) {
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if (freq > desc->entries[i].limit)
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continue;
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break;
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}
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if (debug)
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printk("pll: %s: freq=%d bw=%d | i=%d/%d\n",
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desc->name, freq, bandwidth, i, desc->count);
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BUG_ON(i == desc->count);
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div = (freq + desc->entries[i].offset) / desc->entries[i].stepsize;
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buf[0] = div >> 8;
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buf[1] = div & 0xff;
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buf[2] = desc->entries[i].cb1;
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buf[3] = desc->entries[i].cb2;
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if (desc->setbw)
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desc->setbw(buf, bandwidth);
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if (debug)
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printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
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desc->name, div, buf[0], buf[1], buf[2], buf[3]);
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return 0;
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}
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EXPORT_SYMBOL(dvb_pll_configure);
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MODULE_DESCRIPTION("dvb pll library");
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MODULE_AUTHOR("Gerd Knorr");
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MODULE_LICENSE("GPL");
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