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4562fbeac6
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
874 lines
22 KiB
C
874 lines
22 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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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 = 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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static unsigned int input[DVB_PLL_MAX] = { [ 0 ... (DVB_PLL_MAX-1) ] = 0 };
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module_param_array(input, int, NULL, 0644);
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MODULE_PARM_DESC(input,"specify rf input choice, 0 for autoselect (default)");
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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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const struct dvb_frontend_parameters *params);
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u8 *initdata;
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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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/* Set AGC TOP value to 103 dBuV:
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0x80 = Control Byte
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0x40 = 250 uA charge pump (irrelevant)
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0x18 = Aux Byte to follow
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0x06 = 64.5 kHz divider (irrelevant)
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0x01 = Disable Vt (aka sleep)
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0x00 = AGC Time constant 2s Iagc = 300 nA (vs 0x80 = 9 nA)
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0x50 = AGC Take over point = 103 dBuV */
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static u8 tua603x_agc103[] = { 2, 0x80|0x40|0x18|0x06|0x01, 0x00|0x50 };
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/* 0x04 = 166.67 kHz divider
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0x80 = AGC Time constant 50ms Iagc = 9 uA
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0x20 = AGC Take over point = 112 dBuV */
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static u8 tua603x_agc112[] = { 2, 0x80|0x40|0x18|0x04|0x01, 0x80|0x20 };
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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 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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.iffreq= 44000000,
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.count = 3,
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.entries = {
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{ 157250000, 62500, 0x8e, 0x39 },
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{ 454000000, 62500, 0x8e, 0x3a },
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{ 999999999, 62500, 0x8e, 0x3c },
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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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const struct dvb_frontend_parameters *params)
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{
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if (BANDWIDTH_7_MHZ == params->u.ofdm.bandwidth)
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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 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_microtune_4042 = {
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.name = "Microtune 4042 FI5",
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.min = 57000000,
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.max = 858000000,
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.iffreq= 44000000,
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.count = 3,
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.entries = {
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{ 162000000, 62500, 0x8e, 0xa1 },
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{ 457000000, 62500, 0x8e, 0x91 },
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{ 999999999, 62500, 0x8e, 0x31 },
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},
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};
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static struct dvb_pll_desc dvb_pll_thomson_dtt761x = {
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/* DTT 7611 7611A 7612 7613 7613A 7614 7615 7615A */
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.name = "Thomson dtt761x",
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.min = 57000000,
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.max = 863000000,
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.iffreq= 44000000,
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.count = 3,
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.initdata = tua603x_agc103,
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.entries = {
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{ 147000000, 62500, 0x8e, 0x39 },
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{ 417000000, 62500, 0x8e, 0x3a },
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{ 999999999, 62500, 0x8e, 0x3c },
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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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const struct dvb_frontend_parameters *params)
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{
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if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
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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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const struct dvb_frontend_parameters *params)
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{
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if (BANDWIDTH_7_MHZ != params->u.ofdm.bandwidth)
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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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/* Infineon TUA6034
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* used in LG TDVS-H061F, LG TDVS-H062F and LG TDVS-H064F
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*/
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static struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = {
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.name = "LG TDVS-H06xF",
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.min = 54000000,
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.max = 863000000,
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.iffreq= 44000000,
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.initdata = tua603x_agc103,
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.count = 3,
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.entries = {
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{ 165000000, 62500, 0xce, 0x01 },
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{ 450000000, 62500, 0xce, 0x02 },
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{ 999999999, 62500, 0xce, 0x04 },
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},
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};
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/* Philips FMD1216ME
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* used in Medion Hybrid PCMCIA card and USB Box
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*/
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static void fmd1216me_bw(struct dvb_frontend *fe, u8 *buf,
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const struct dvb_frontend_parameters *params)
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{
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if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
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params->frequency >= 158870000)
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buf[3] |= 0x08;
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}
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static struct dvb_pll_desc dvb_pll_fmd1216me = {
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.name = "Philips FMD1216ME",
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.min = 50870000,
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.max = 858000000,
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.iffreq= 36125000,
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.set = fmd1216me_bw,
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.initdata = tua603x_agc112,
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.sleepdata = (u8[]){ 4, 0x9c, 0x60, 0x85, 0x54 },
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.count = 7,
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.entries = {
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{ 143870000, 166667, 0xbc, 0x41 },
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{ 158870000, 166667, 0xf4, 0x41 },
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{ 329870000, 166667, 0xbc, 0x42 },
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{ 441870000, 166667, 0xf4, 0x42 },
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{ 625870000, 166667, 0xbc, 0x44 },
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{ 803870000, 166667, 0xf4, 0x44 },
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{ 999999999, 166667, 0xfc, 0x44 },
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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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const struct dvb_frontend_parameters *params)
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{
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if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
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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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/* Philips TUV1236D
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* used in ATI HDTV Wonder
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*/
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static void tuv1236d_rf(struct dvb_frontend *fe, u8 *buf,
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const struct dvb_frontend_parameters *params)
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{
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struct dvb_pll_priv *priv = fe->tuner_priv;
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unsigned int new_rf = input[priv->nr];
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if ((new_rf == 0) || (new_rf > 2)) {
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switch (params->u.vsb.modulation) {
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case QAM_64:
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case QAM_256:
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new_rf = 1;
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break;
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case VSB_8:
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default:
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new_rf = 2;
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}
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}
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switch (new_rf) {
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case 1:
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buf[3] |= 0x08;
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break;
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case 2:
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buf[3] &= ~0x08;
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break;
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default:
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printk(KERN_WARNING
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"%s: unhandled rf input selection: %d",
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__FUNCTION__, new_rf);
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}
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}
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static struct dvb_pll_desc dvb_pll_tuv1236d = {
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.name = "Philips TUV1236D",
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.min = 54000000,
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.max = 864000000,
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.iffreq= 44000000,
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.set = tuv1236d_rf,
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.count = 3,
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.entries = {
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{ 157250000, 62500, 0xc6, 0x41 },
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{ 454000000, 62500, 0xc6, 0x42 },
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{ 999999999, 62500, 0xc6, 0x44 },
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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",
|
|
.min = 950000,
|
|
.max = 2150000,
|
|
.iffreq= 249, /* zero-IF, offset 249 is to round up */
|
|
.count = 4,
|
|
.entries = {
|
|
{ 1250000, 500, 0xc4, 0x00},
|
|
{ 1550000, 500, 0xc4, 0x40},
|
|
{ 2050000, 500, 0xc4, 0x80},
|
|
{ 2150000, 500, 0xc4, 0xc0},
|
|
},
|
|
};
|
|
|
|
/*
|
|
* Philips TD1316 Tuner.
|
|
*/
|
|
static void td1316_bw(struct dvb_frontend *fe, u8 *buf,
|
|
const struct dvb_frontend_parameters *params)
|
|
{
|
|
u8 band;
|
|
|
|
/* determine band */
|
|
if (params->frequency < 161000000)
|
|
band = 1;
|
|
else if (params->frequency < 444000000)
|
|
band = 2;
|
|
else
|
|
band = 4;
|
|
|
|
buf[3] |= band;
|
|
|
|
/* setup PLL filter */
|
|
if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
|
|
buf[3] |= 1 << 3;
|
|
}
|
|
|
|
static struct dvb_pll_desc dvb_pll_philips_td1316 = {
|
|
.name = "Philips TD1316",
|
|
.min = 87000000,
|
|
.max = 895000000,
|
|
.iffreq= 36166667,
|
|
.set = td1316_bw,
|
|
.count = 9,
|
|
.entries = {
|
|
{ 93834000, 166667, 0xca, 0x60},
|
|
{ 123834000, 166667, 0xca, 0xa0},
|
|
{ 163834000, 166667, 0xca, 0xc0},
|
|
{ 253834000, 166667, 0xca, 0x60},
|
|
{ 383834000, 166667, 0xca, 0xa0},
|
|
{ 443834000, 166667, 0xca, 0xc0},
|
|
{ 583834000, 166667, 0xca, 0x60},
|
|
{ 793834000, 166667, 0xca, 0xa0},
|
|
{ 858834000, 166667, 0xca, 0xe0},
|
|
},
|
|
};
|
|
|
|
/* FE6600 used on DViCO Hybrid */
|
|
static struct dvb_pll_desc dvb_pll_thomson_fe6600 = {
|
|
.name = "Thomson FE6600",
|
|
.min = 44250000,
|
|
.max = 858000000,
|
|
.iffreq= 36125000,
|
|
.count = 4,
|
|
.entries = {
|
|
{ 250000000, 166667, 0xb4, 0x12 },
|
|
{ 455000000, 166667, 0xfe, 0x11 },
|
|
{ 775500000, 166667, 0xbc, 0x18 },
|
|
{ 999999999, 166667, 0xf4, 0x18 },
|
|
}
|
|
};
|
|
|
|
static void opera1_bw(struct dvb_frontend *fe, u8 *buf,
|
|
const struct dvb_frontend_parameters *params)
|
|
{
|
|
if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
|
|
buf[2] |= 0x08;
|
|
}
|
|
|
|
static struct dvb_pll_desc dvb_pll_opera1 = {
|
|
.name = "Opera Tuner",
|
|
.min = 900000,
|
|
.max = 2250000,
|
|
.iffreq= 0,
|
|
.set = opera1_bw,
|
|
.count = 8,
|
|
.entries = {
|
|
{ 1064000, 500, 0xe5, 0xc6 },
|
|
{ 1169000, 500, 0xe5, 0xe6 },
|
|
{ 1299000, 500, 0xe5, 0x24 },
|
|
{ 1444000, 500, 0xe5, 0x44 },
|
|
{ 1606000, 500, 0xe5, 0x64 },
|
|
{ 1777000, 500, 0xe5, 0x84 },
|
|
{ 1941000, 500, 0xe5, 0xa4 },
|
|
{ 2250000, 500, 0xe5, 0xc4 },
|
|
}
|
|
};
|
|
|
|
/* Philips FCV1236D
|
|
*/
|
|
static struct dvb_pll_desc dvb_pll_fcv1236d = {
|
|
/* Bit_0: RF Input select
|
|
* Bit_1: 0=digital, 1=analog
|
|
*/
|
|
.name = "Philips FCV1236D",
|
|
.min = 53000000,
|
|
.max = 803000000,
|
|
.iffreq= 44000000,
|
|
.count = 3,
|
|
.entries = {
|
|
{ 159000000, 62500, 0x8e, 0xa0 },
|
|
{ 453000000, 62500, 0x8e, 0x90 },
|
|
{ 999999999, 62500, 0x8e, 0x30 },
|
|
},
|
|
};
|
|
|
|
/* ----------------------------------------------------------- */
|
|
|
|
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_DTT7610] = &dvb_pll_thomson_dtt7610,
|
|
[DVB_PLL_LG_Z201] = &dvb_pll_lg_z201,
|
|
[DVB_PLL_MICROTUNE_4042] = &dvb_pll_microtune_4042,
|
|
[DVB_PLL_THOMSON_DTT761X] = &dvb_pll_thomson_dtt761x,
|
|
[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_LG_TDVS_H06XF] = &dvb_pll_lg_tdvs_h06xf,
|
|
[DVB_PLL_TDA665X] = &dvb_pll_tda665x,
|
|
[DVB_PLL_FMD1216ME] = &dvb_pll_fmd1216me,
|
|
[DVB_PLL_TDED4] = &dvb_pll_tded4,
|
|
[DVB_PLL_TUV1236D] = &dvb_pll_tuv1236d,
|
|
[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_PHILIPS_TD1316] = &dvb_pll_philips_td1316,
|
|
[DVB_PLL_THOMSON_FE6600] = &dvb_pll_thomson_fe6600,
|
|
[DVB_PLL_OPERA1] = &dvb_pll_opera1,
|
|
[DVB_PLL_FCV1236D] = &dvb_pll_fcv1236d,
|
|
};
|
|
|
|
/* ----------------------------------------------------------- */
|
|
/* code */
|
|
|
|
static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
|
|
const struct dvb_frontend_parameters *params)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
struct dvb_pll_desc *desc = priv->pll_desc;
|
|
u32 div;
|
|
int i;
|
|
|
|
if (params->frequency != 0 && (params->frequency < desc->min ||
|
|
params->frequency > desc->max))
|
|
return -EINVAL;
|
|
|
|
for (i = 0; i < desc->count; i++) {
|
|
if (params->frequency > desc->entries[i].limit)
|
|
continue;
|
|
break;
|
|
}
|
|
|
|
if (debug)
|
|
printk("pll: %s: freq=%d | i=%d/%d\n", desc->name,
|
|
params->frequency, i, desc->count);
|
|
if (i == desc->count)
|
|
return -EINVAL;
|
|
|
|
div = (params->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, params);
|
|
|
|
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 dvb_frontend_parameters *params)
|
|
{
|
|
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;
|
|
|
|
if ((result = dvb_pll_configure(fe, buf, params)) < 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 = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dvb_pll_calc_regs(struct dvb_frontend *fe,
|
|
struct dvb_frontend_parameters *params,
|
|
u8 *buf, int buf_len)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
int result;
|
|
u32 frequency = 0;
|
|
|
|
if (buf_len < 5)
|
|
return -EINVAL;
|
|
|
|
if ((result = dvb_pll_configure(fe, buf+1, params)) < 0)
|
|
return result;
|
|
else
|
|
frequency = result;
|
|
|
|
buf[0] = priv->pll_i2c_address;
|
|
|
|
priv->frequency = frequency;
|
|
priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
|
|
|
|
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);
|
|
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 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");
|
|
}
|
|
if ((debug) || (input[priv->nr] > 0)) {
|
|
printk("dvb-pll[%d]", priv->nr);
|
|
if (i2c != NULL)
|
|
printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
|
|
printk(": tuner rf input will be ");
|
|
switch (input[priv->nr]) {
|
|
case 0:
|
|
printk("autoselected\n");
|
|
break;
|
|
default:
|
|
printk("set to input %d (insmod option)\n",
|
|
input[priv->nr]);
|
|
}
|
|
}
|
|
|
|
return fe;
|
|
}
|
|
EXPORT_SYMBOL(dvb_pll_attach);
|
|
|
|
MODULE_DESCRIPTION("dvb pll library");
|
|
MODULE_AUTHOR("Gerd Knorr");
|
|
MODULE_LICENSE("GPL");
|