821 строка
21 KiB
C
821 строка
21 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/slab.h>
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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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struct dvb_pll_priv {
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/* pll number */
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int nr;
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/* i2c details */
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int pll_i2c_address;
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struct i2c_adapter *i2c;
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/* the PLL descriptor */
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struct dvb_pll_desc *pll_desc;
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/* cached frequency/bandwidth */
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u32 frequency;
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u32 bandwidth;
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};
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#define DVB_PLL_MAX 64
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static unsigned int dvb_pll_devcount;
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static int debug;
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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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static unsigned int id[DVB_PLL_MAX] =
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{ [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED };
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module_param_array(id, int, NULL, 0644);
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MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)");
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/* ----------------------------------------------------------- */
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struct dvb_pll_desc {
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char *name;
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u32 min;
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u32 max;
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u32 iffreq;
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void (*set)(struct dvb_frontend *fe, u8 *buf);
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u8 *initdata;
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u8 *initdata2;
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u8 *sleepdata;
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int count;
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struct {
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u32 limit;
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u32 stepsize;
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u8 config;
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u8 cb;
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} entries[12];
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};
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/* ----------------------------------------------------------- */
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/* descriptions */
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static 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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.iffreq= 36166667,
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.sleepdata = (u8[]){ 2, 0xb4, 0x03 },
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.count = 4,
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.entries = {
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{ 443250000, 166667, 0xb4, 0x02 },
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{ 542000000, 166667, 0xb4, 0x08 },
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{ 771000000, 166667, 0xbc, 0x08 },
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{ 999999999, 166667, 0xf4, 0x08 },
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},
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};
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static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf)
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{
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u32 bw = fe->dtv_property_cache.bandwidth_hz;
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if (bw == 7000000)
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buf[3] |= 0x10;
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}
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static 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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.set = thomson_dtt759x_bw,
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.iffreq= 36166667,
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.sleepdata = (u8[]){ 2, 0x84, 0x03 },
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.count = 5,
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.entries = {
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{ 264000000, 166667, 0xb4, 0x02 },
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{ 470000000, 166667, 0xbc, 0x02 },
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{ 735000000, 166667, 0xbc, 0x08 },
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{ 835000000, 166667, 0xf4, 0x08 },
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{ 999999999, 166667, 0xfc, 0x08 },
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},
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};
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static void thomson_dtt7520x_bw(struct dvb_frontend *fe, u8 *buf)
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{
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u32 bw = fe->dtv_property_cache.bandwidth_hz;
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if (bw == 8000000)
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buf[3] ^= 0x10;
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}
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static struct dvb_pll_desc dvb_pll_thomson_dtt7520x = {
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.name = "Thomson dtt7520x",
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.min = 185000000,
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.max = 900000000,
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.set = thomson_dtt7520x_bw,
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.iffreq = 36166667,
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.count = 7,
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.entries = {
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{ 305000000, 166667, 0xb4, 0x12 },
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{ 405000000, 166667, 0xbc, 0x12 },
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{ 445000000, 166667, 0xbc, 0x12 },
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{ 465000000, 166667, 0xf4, 0x18 },
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{ 735000000, 166667, 0xfc, 0x18 },
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{ 835000000, 166667, 0xbc, 0x18 },
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{ 999999999, 166667, 0xfc, 0x18 },
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},
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};
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static 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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.iffreq= 36166667,
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.sleepdata = (u8[]){ 2, 0xbc, 0x03 },
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.count = 5,
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.entries = {
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{ 157500000, 166667, 0xbc, 0x01 },
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{ 443250000, 166667, 0xbc, 0x02 },
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{ 542000000, 166667, 0xbc, 0x04 },
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{ 830000000, 166667, 0xf4, 0x04 },
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{ 999999999, 166667, 0xfc, 0x04 },
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},
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};
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static 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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.iffreq= 36166667,
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.count = 9,
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.entries = {
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{ 150000000, 166667, 0xb4, 0x01 },
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{ 173000000, 166667, 0xbc, 0x01 },
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{ 250000000, 166667, 0xb4, 0x02 },
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{ 400000000, 166667, 0xbc, 0x02 },
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{ 420000000, 166667, 0xf4, 0x02 },
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{ 470000000, 166667, 0xfc, 0x02 },
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{ 600000000, 166667, 0xbc, 0x08 },
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{ 730000000, 166667, 0xf4, 0x08 },
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{ 999999999, 166667, 0xfc, 0x08 },
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},
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};
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/* Infineon TUA6010XS
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* used in Thomson Cable Tuner
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*/
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static 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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.iffreq= 36125000,
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.count = 3,
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.entries = {
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{ 115750000, 62500, 0x8e, 0x03 },
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{ 403250000, 62500, 0x8e, 0x06 },
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{ 999999999, 62500, 0x8e, 0x85 },
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},
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};
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/* Panasonic env57h1xd5 (some Philips PLL ?) */
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static 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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.iffreq= 36125000,
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.count = 4,
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.entries = {
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{ 153000000, 166667, 0xc2, 0x41 },
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{ 470000000, 166667, 0xc2, 0x42 },
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{ 526000000, 166667, 0xc2, 0x84 },
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{ 999999999, 166667, 0xc2, 0xa4 },
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},
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};
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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(struct dvb_frontend *fe, u8 *buf)
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{
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u32 bw = fe->dtv_property_cache.bandwidth_hz;
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if (bw == 8000000)
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buf[3] |= 0x08;
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}
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static 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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.set = tda665x_bw,
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.iffreq= 36166667,
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.initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab },
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.count = 12,
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.entries = {
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{ 93834000, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ },
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{ 123834000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
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{ 161000000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
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{ 163834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
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{ 253834000, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ },
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{ 383834000, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ },
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{ 443834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
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{ 444000000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ },
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{ 583834000, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ },
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{ 793834000, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ },
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{ 444834000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ },
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{ 861000000, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ },
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}
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};
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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(struct dvb_frontend *fe, u8 *buf)
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{
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u32 bw = fe->dtv_property_cache.bandwidth_hz;
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if (bw == 7000000)
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buf[3] |= 0x08;
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}
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static 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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.iffreq= 36166667,
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.count = 3,
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.set = tua6034_bw,
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.entries = {
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{ 174500000, 62500, 0xce, 0x01 },
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{ 230000000, 62500, 0xce, 0x02 },
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{ 999999999, 62500, 0xce, 0x04 },
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},
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};
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/* ALPS TDED4
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* used in Nebula-Cards and USB boxes
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*/
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static void tded4_bw(struct dvb_frontend *fe, u8 *buf)
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{
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u32 bw = fe->dtv_property_cache.bandwidth_hz;
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if (bw == 8000000)
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buf[3] |= 0x04;
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}
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static struct dvb_pll_desc dvb_pll_tded4 = {
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.name = "ALPS TDED4",
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.min = 47000000,
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.max = 863000000,
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.iffreq= 36166667,
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.set = tded4_bw,
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.count = 4,
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.entries = {
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{ 153000000, 166667, 0x85, 0x01 },
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{ 470000000, 166667, 0x85, 0x02 },
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{ 823000000, 166667, 0x85, 0x08 },
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{ 999999999, 166667, 0x85, 0x88 },
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}
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};
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/* ALPS TDHU2
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* used in AverTVHD MCE A180
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*/
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static struct dvb_pll_desc dvb_pll_tdhu2 = {
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.name = "ALPS TDHU2",
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.min = 54000000,
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.max = 864000000,
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.iffreq= 44000000,
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.count = 4,
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.entries = {
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{ 162000000, 62500, 0x85, 0x01 },
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{ 426000000, 62500, 0x85, 0x02 },
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{ 782000000, 62500, 0x85, 0x08 },
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{ 999999999, 62500, 0x85, 0x88 },
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}
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};
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/* Samsung TBMV30111IN / TBMV30712IN1
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* used in Air2PC ATSC - 2nd generation (nxt2002)
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*/
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static struct dvb_pll_desc dvb_pll_samsung_tbmv = {
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.name = "Samsung TBMV30111IN / TBMV30712IN1",
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.min = 54000000,
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.max = 860000000,
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.iffreq= 44000000,
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.count = 6,
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.entries = {
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{ 172000000, 166667, 0xb4, 0x01 },
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{ 214000000, 166667, 0xb4, 0x02 },
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{ 467000000, 166667, 0xbc, 0x02 },
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{ 721000000, 166667, 0xbc, 0x08 },
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{ 841000000, 166667, 0xf4, 0x08 },
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{ 999999999, 166667, 0xfc, 0x02 },
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}
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};
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/*
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* Philips SD1878 Tuner.
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*/
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static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
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.name = "Philips SD1878",
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.min = 950000,
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.max = 2150000,
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.iffreq= 249, /* zero-IF, offset 249 is to round up */
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.count = 4,
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.entries = {
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{ 1250000, 500, 0xc4, 0x00},
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{ 1450000, 500, 0xc4, 0x40},
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{ 2050000, 500, 0xc4, 0x80},
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{ 2150000, 500, 0xc4, 0xc0},
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},
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};
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static void opera1_bw(struct dvb_frontend *fe, u8 *buf)
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{
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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struct dvb_pll_priv *priv = fe->tuner_priv;
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u32 b_w = (c->symbol_rate * 27) / 32000;
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struct i2c_msg msg = {
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.addr = priv->pll_i2c_address,
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.flags = 0,
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.buf = buf,
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.len = 4
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};
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int result;
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u8 lpf;
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1);
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result = i2c_transfer(priv->i2c, &msg, 1);
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if (result != 1)
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printk(KERN_ERR "%s: i2c_transfer failed:%d",
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__func__, result);
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if (b_w <= 10000)
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lpf = 0xc;
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else if (b_w <= 12000)
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lpf = 0x2;
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else if (b_w <= 14000)
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lpf = 0xa;
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else if (b_w <= 16000)
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lpf = 0x6;
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else if (b_w <= 18000)
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lpf = 0xe;
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else if (b_w <= 20000)
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lpf = 0x1;
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else if (b_w <= 22000)
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lpf = 0x9;
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else if (b_w <= 24000)
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lpf = 0x5;
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else if (b_w <= 26000)
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lpf = 0xd;
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else if (b_w <= 28000)
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lpf = 0x3;
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else
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lpf = 0xb;
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buf[2] ^= 0x1c; /* Flip bits 3-5 */
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/* Set lpf */
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buf[2] |= ((lpf >> 2) & 0x3) << 3;
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buf[3] |= (lpf & 0x3) << 2;
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return;
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}
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static struct dvb_pll_desc dvb_pll_opera1 = {
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.name = "Opera Tuner",
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.min = 900000,
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.max = 2250000,
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.initdata = (u8[]){ 4, 0x08, 0xe5, 0xe1, 0x00 },
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.initdata2 = (u8[]){ 4, 0x08, 0xe5, 0xe5, 0x00 },
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.iffreq= 0,
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.set = opera1_bw,
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.count = 8,
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.entries = {
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{ 1064000, 500, 0xf9, 0xc2 },
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{ 1169000, 500, 0xf9, 0xe2 },
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{ 1299000, 500, 0xf9, 0x20 },
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{ 1444000, 500, 0xf9, 0x40 },
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{ 1606000, 500, 0xf9, 0x60 },
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{ 1777000, 500, 0xf9, 0x80 },
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{ 1941000, 500, 0xf9, 0xa0 },
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{ 2250000, 500, 0xf9, 0xc0 },
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}
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};
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static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf)
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{
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struct dvb_pll_priv *priv = fe->tuner_priv;
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struct i2c_msg msg = {
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.addr = priv->pll_i2c_address,
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.flags = 0,
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.buf = buf,
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.len = 4
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};
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int result;
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1);
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result = i2c_transfer(priv->i2c, &msg, 1);
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if (result != 1)
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printk(KERN_ERR "%s: i2c_transfer failed:%d",
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__func__, result);
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buf[2] = 0x9e;
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buf[3] = 0x90;
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return;
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}
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/* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */
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static struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = {
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.name = "Samsung DTOS403IH102A",
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.min = 44250000,
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.max = 858000000,
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.iffreq = 36125000,
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.count = 8,
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.set = samsung_dtos403ih102a_set,
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.entries = {
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{ 135000000, 62500, 0xbe, 0x01 },
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{ 177000000, 62500, 0xf6, 0x01 },
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{ 370000000, 62500, 0xbe, 0x02 },
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{ 450000000, 62500, 0xf6, 0x02 },
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{ 466000000, 62500, 0xfe, 0x02 },
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{ 538000000, 62500, 0xbe, 0x08 },
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{ 826000000, 62500, 0xf6, 0x08 },
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{ 999999999, 62500, 0xfe, 0x08 },
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}
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};
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/* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */
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static struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = {
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.name = "Samsung TDTC9251DH0",
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.min = 48000000,
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.max = 863000000,
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.iffreq = 36166667,
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.count = 3,
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.entries = {
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{ 157500000, 166667, 0xcc, 0x09 },
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|
{ 443000000, 166667, 0xcc, 0x0a },
|
|
{ 863000000, 166667, 0xcc, 0x08 },
|
|
}
|
|
};
|
|
|
|
/* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */
|
|
static struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = {
|
|
.name = "Samsung TBDU18132",
|
|
.min = 950000,
|
|
.max = 2150000, /* guesses */
|
|
.iffreq = 0,
|
|
.count = 2,
|
|
.entries = {
|
|
{ 1550000, 125, 0x84, 0x82 },
|
|
{ 4095937, 125, 0x84, 0x80 },
|
|
}
|
|
/* TSA5059 PLL has a 17 bit divisor rather than the 15 bits supported
|
|
* by this driver. The two extra bits are 0x60 in the third byte. 15
|
|
* bits is enough for over 4 GHz, which is enough to cover the range
|
|
* of this tuner. We could use the additional divisor bits by adding
|
|
* more entries, e.g.
|
|
{ 0x0ffff * 125 + 125/2, 125, 0x84 | 0x20, },
|
|
{ 0x17fff * 125 + 125/2, 125, 0x84 | 0x40, },
|
|
{ 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */
|
|
};
|
|
|
|
/* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */
|
|
static struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = {
|
|
.name = "Samsung TBMU24112",
|
|
.min = 950000,
|
|
.max = 2150000, /* guesses */
|
|
.iffreq = 0,
|
|
.count = 2,
|
|
.entries = {
|
|
{ 1500000, 125, 0x84, 0x18 },
|
|
{ 9999999, 125, 0x84, 0x08 },
|
|
}
|
|
};
|
|
|
|
/* Alps TDEE4 DVB-C NIM, used on Cablestar 2 */
|
|
/* byte 4 : 1 * * AGD R3 R2 R1 R0
|
|
* byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1
|
|
* AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95
|
|
* Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5
|
|
* 47 - 153 0 * 0 0 0 0 0 1 0x01
|
|
* 153 - 430 0 * 0 0 0 0 1 0 0x02
|
|
* 430 - 822 0 * 0 0 1 0 0 0 0x08
|
|
* 822 - 862 1 * 0 0 1 0 0 0 0x88 */
|
|
static struct dvb_pll_desc dvb_pll_alps_tdee4 = {
|
|
.name = "ALPS TDEE4",
|
|
.min = 47000000,
|
|
.max = 862000000,
|
|
.iffreq = 36125000,
|
|
.count = 4,
|
|
.entries = {
|
|
{ 153000000, 62500, 0x95, 0x01 },
|
|
{ 430000000, 62500, 0x95, 0x02 },
|
|
{ 822000000, 62500, 0x95, 0x08 },
|
|
{ 999999999, 62500, 0x95, 0x88 },
|
|
}
|
|
};
|
|
|
|
/* ----------------------------------------------------------- */
|
|
|
|
static struct dvb_pll_desc *pll_list[] = {
|
|
[DVB_PLL_UNDEFINED] = NULL,
|
|
[DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579,
|
|
[DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x,
|
|
[DVB_PLL_THOMSON_DTT7520X] = &dvb_pll_thomson_dtt7520x,
|
|
[DVB_PLL_LG_Z201] = &dvb_pll_lg_z201,
|
|
[DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1,
|
|
[DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs,
|
|
[DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5,
|
|
[DVB_PLL_TUA6034] = &dvb_pll_tua6034,
|
|
[DVB_PLL_TDA665X] = &dvb_pll_tda665x,
|
|
[DVB_PLL_TDED4] = &dvb_pll_tded4,
|
|
[DVB_PLL_TDEE4] = &dvb_pll_alps_tdee4,
|
|
[DVB_PLL_TDHU2] = &dvb_pll_tdhu2,
|
|
[DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv,
|
|
[DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261,
|
|
[DVB_PLL_OPERA1] = &dvb_pll_opera1,
|
|
[DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a,
|
|
[DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0,
|
|
[DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132,
|
|
[DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112,
|
|
};
|
|
|
|
/* ----------------------------------------------------------- */
|
|
/* code */
|
|
|
|
static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
|
|
const u32 frequency)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
struct dvb_pll_desc *desc = priv->pll_desc;
|
|
u32 div;
|
|
int i;
|
|
|
|
if (frequency && (frequency < desc->min || frequency > desc->max))
|
|
return -EINVAL;
|
|
|
|
for (i = 0; i < desc->count; i++) {
|
|
if (frequency > desc->entries[i].limit)
|
|
continue;
|
|
break;
|
|
}
|
|
|
|
if (debug)
|
|
printk("pll: %s: freq=%d | i=%d/%d\n", desc->name,
|
|
frequency, i, desc->count);
|
|
if (i == desc->count)
|
|
return -EINVAL;
|
|
|
|
div = (frequency + desc->iffreq +
|
|
desc->entries[i].stepsize/2) / desc->entries[i].stepsize;
|
|
buf[0] = div >> 8;
|
|
buf[1] = div & 0xff;
|
|
buf[2] = desc->entries[i].config;
|
|
buf[3] = desc->entries[i].cb;
|
|
|
|
if (desc->set)
|
|
desc->set(fe, buf);
|
|
|
|
if (debug)
|
|
printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
|
|
desc->name, div, buf[0], buf[1], buf[2], buf[3]);
|
|
|
|
// calculate the frequency we set it to
|
|
return (div * desc->entries[i].stepsize) - desc->iffreq;
|
|
}
|
|
|
|
static int dvb_pll_release(struct dvb_frontend *fe)
|
|
{
|
|
kfree(fe->tuner_priv);
|
|
fe->tuner_priv = NULL;
|
|
return 0;
|
|
}
|
|
|
|
static int dvb_pll_sleep(struct dvb_frontend *fe)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
|
|
if (priv->i2c == NULL)
|
|
return -EINVAL;
|
|
|
|
if (priv->pll_desc->sleepdata) {
|
|
struct i2c_msg msg = { .flags = 0,
|
|
.addr = priv->pll_i2c_address,
|
|
.buf = priv->pll_desc->sleepdata + 1,
|
|
.len = priv->pll_desc->sleepdata[0] };
|
|
|
|
int result;
|
|
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 1);
|
|
if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
|
|
return result;
|
|
}
|
|
return 0;
|
|
}
|
|
/* Shouldn't be called when initdata is NULL, maybe BUG()? */
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int dvb_pll_set_params(struct dvb_frontend *fe)
|
|
{
|
|
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
u8 buf[4];
|
|
struct i2c_msg msg =
|
|
{ .addr = priv->pll_i2c_address, .flags = 0,
|
|
.buf = buf, .len = sizeof(buf) };
|
|
int result;
|
|
u32 frequency = 0;
|
|
|
|
if (priv->i2c == NULL)
|
|
return -EINVAL;
|
|
|
|
result = dvb_pll_configure(fe, buf, c->frequency);
|
|
if (result < 0)
|
|
return result;
|
|
else
|
|
frequency = result;
|
|
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 1);
|
|
if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
|
|
return result;
|
|
}
|
|
|
|
priv->frequency = frequency;
|
|
priv->bandwidth = c->bandwidth_hz;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dvb_pll_calc_regs(struct dvb_frontend *fe,
|
|
u8 *buf, int buf_len)
|
|
{
|
|
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
int result;
|
|
u32 frequency = 0;
|
|
|
|
if (buf_len < 5)
|
|
return -EINVAL;
|
|
|
|
result = dvb_pll_configure(fe, buf + 1, c->frequency);
|
|
if (result < 0)
|
|
return result;
|
|
else
|
|
frequency = result;
|
|
|
|
buf[0] = priv->pll_i2c_address;
|
|
|
|
priv->frequency = frequency;
|
|
priv->bandwidth = c->bandwidth_hz;
|
|
|
|
return 5;
|
|
}
|
|
|
|
static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
*frequency = priv->frequency;
|
|
return 0;
|
|
}
|
|
|
|
static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
*bandwidth = priv->bandwidth;
|
|
return 0;
|
|
}
|
|
|
|
static int dvb_pll_init(struct dvb_frontend *fe)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
|
|
if (priv->i2c == NULL)
|
|
return -EINVAL;
|
|
|
|
if (priv->pll_desc->initdata) {
|
|
struct i2c_msg msg = { .flags = 0,
|
|
.addr = priv->pll_i2c_address,
|
|
.buf = priv->pll_desc->initdata + 1,
|
|
.len = priv->pll_desc->initdata[0] };
|
|
|
|
int result;
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 1);
|
|
result = i2c_transfer(priv->i2c, &msg, 1);
|
|
if (result != 1)
|
|
return result;
|
|
if (priv->pll_desc->initdata2) {
|
|
msg.buf = priv->pll_desc->initdata2 + 1;
|
|
msg.len = priv->pll_desc->initdata2[0];
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 1);
|
|
result = i2c_transfer(priv->i2c, &msg, 1);
|
|
if (result != 1)
|
|
return result;
|
|
}
|
|
return 0;
|
|
}
|
|
/* Shouldn't be called when initdata is NULL, maybe BUG()? */
|
|
return -EINVAL;
|
|
}
|
|
|
|
static struct dvb_tuner_ops dvb_pll_tuner_ops = {
|
|
.release = dvb_pll_release,
|
|
.sleep = dvb_pll_sleep,
|
|
.init = dvb_pll_init,
|
|
.set_params = dvb_pll_set_params,
|
|
.calc_regs = dvb_pll_calc_regs,
|
|
.get_frequency = dvb_pll_get_frequency,
|
|
.get_bandwidth = dvb_pll_get_bandwidth,
|
|
};
|
|
|
|
struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
|
|
struct i2c_adapter *i2c,
|
|
unsigned int pll_desc_id)
|
|
{
|
|
u8 b1 [] = { 0 };
|
|
struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD,
|
|
.buf = b1, .len = 1 };
|
|
struct dvb_pll_priv *priv = NULL;
|
|
int ret;
|
|
struct dvb_pll_desc *desc;
|
|
|
|
if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) &&
|
|
(id[dvb_pll_devcount] < ARRAY_SIZE(pll_list)))
|
|
pll_desc_id = id[dvb_pll_devcount];
|
|
|
|
BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list));
|
|
|
|
desc = pll_list[pll_desc_id];
|
|
|
|
if (i2c != NULL) {
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 1);
|
|
|
|
ret = i2c_transfer (i2c, &msg, 1);
|
|
if (ret != 1)
|
|
return NULL;
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 0);
|
|
}
|
|
|
|
priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL);
|
|
if (priv == NULL)
|
|
return NULL;
|
|
|
|
priv->pll_i2c_address = pll_addr;
|
|
priv->i2c = i2c;
|
|
priv->pll_desc = desc;
|
|
priv->nr = dvb_pll_devcount++;
|
|
|
|
memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
|
|
sizeof(struct dvb_tuner_ops));
|
|
|
|
strncpy(fe->ops.tuner_ops.info.name, desc->name,
|
|
sizeof(fe->ops.tuner_ops.info.name));
|
|
fe->ops.tuner_ops.info.frequency_min = desc->min;
|
|
fe->ops.tuner_ops.info.frequency_max = desc->max;
|
|
if (!desc->initdata)
|
|
fe->ops.tuner_ops.init = NULL;
|
|
if (!desc->sleepdata)
|
|
fe->ops.tuner_ops.sleep = NULL;
|
|
|
|
fe->tuner_priv = priv;
|
|
|
|
if ((debug) || (id[priv->nr] == pll_desc_id)) {
|
|
printk("dvb-pll[%d]", priv->nr);
|
|
if (i2c != NULL)
|
|
printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
|
|
printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name,
|
|
id[priv->nr] == pll_desc_id ?
|
|
"insmod option" : "autodetected");
|
|
}
|
|
|
|
return fe;
|
|
}
|
|
EXPORT_SYMBOL(dvb_pll_attach);
|
|
|
|
MODULE_DESCRIPTION("dvb pll library");
|
|
MODULE_AUTHOR("Gerd Knorr");
|
|
MODULE_LICENSE("GPL");
|