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Diffstat (limited to 'drivers/media/dvb/frontends/tda827x.c')
-rw-r--r--drivers/media/dvb/frontends/tda827x.c852
1 files changed, 0 insertions, 852 deletions
diff --git a/drivers/media/dvb/frontends/tda827x.c b/drivers/media/dvb/frontends/tda827x.c
deleted file mode 100644
index d30d2c9094d..00000000000
--- a/drivers/media/dvb/frontends/tda827x.c
+++ /dev/null
@@ -1,852 +0,0 @@
-/*
- *
- * (c) 2005 Hartmut Hackmann
- * (c) 2007 Michael Krufky
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/module.h>
-#include <asm/types.h>
-#include <linux/dvb/frontend.h>
-#include <linux/videodev2.h>
-
-#include "tda827x.h"
-
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
-
-#define dprintk(args...) \
- do { \
- if (debug) printk(KERN_DEBUG "tda827x: " args); \
- } while (0)
-
-struct tda827x_priv {
- int i2c_addr;
- struct i2c_adapter *i2c_adap;
- struct tda827x_config *cfg;
-
- unsigned int sgIF;
- unsigned char lpsel;
-
- u32 frequency;
- u32 bandwidth;
-};
-
-static void tda827x_set_std(struct dvb_frontend *fe,
- struct analog_parameters *params)
-{
- struct tda827x_priv *priv = fe->tuner_priv;
- char *mode;
-
- priv->lpsel = 0;
- if (params->std & V4L2_STD_MN) {
- priv->sgIF = 92;
- priv->lpsel = 1;
- mode = "MN";
- } else if (params->std & V4L2_STD_B) {
- priv->sgIF = 108;
- mode = "B";
- } else if (params->std & V4L2_STD_GH) {
- priv->sgIF = 124;
- mode = "GH";
- } else if (params->std & V4L2_STD_PAL_I) {
- priv->sgIF = 124;
- mode = "I";
- } else if (params->std & V4L2_STD_DK) {
- priv->sgIF = 124;
- mode = "DK";
- } else if (params->std & V4L2_STD_SECAM_L) {
- priv->sgIF = 124;
- mode = "L";
- } else if (params->std & V4L2_STD_SECAM_LC) {
- priv->sgIF = 20;
- mode = "LC";
- } else {
- priv->sgIF = 124;
- mode = "xx";
- }
-
- if (params->mode == V4L2_TUNER_RADIO)
- priv->sgIF = 88; /* if frequency is 5.5 MHz */
-
- dprintk("setting tda827x to system %s\n", mode);
-}
-
-
-/* ------------------------------------------------------------------ */
-
-struct tda827x_data {
- u32 lomax;
- u8 spd;
- u8 bs;
- u8 bp;
- u8 cp;
- u8 gc3;
- u8 div1p5;
-};
-
-static const struct tda827x_data tda827x_table[] = {
- { .lomax = 62000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1},
- { .lomax = 66000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1},
- { .lomax = 76000000, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0},
- { .lomax = 84000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0},
- { .lomax = 93000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 98000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 109000000, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 123000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1},
- { .lomax = 133000000, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1},
- { .lomax = 151000000, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 154000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 181000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0},
- { .lomax = 185000000, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 217000000, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 244000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1},
- { .lomax = 265000000, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1},
- { .lomax = 302000000, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 324000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 370000000, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 454000000, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 493000000, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1},
- { .lomax = 530000000, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1},
- { .lomax = 554000000, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0},
- { .lomax = 604000000, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0},
- { .lomax = 696000000, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0},
- { .lomax = 740000000, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0},
- { .lomax = 820000000, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0},
- { .lomax = 865000000, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0},
- { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0}
-};
-
-static int tda827xo_set_params(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *params)
-{
- struct tda827x_priv *priv = fe->tuner_priv;
- u8 buf[14];
-
- struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
- .buf = buf, .len = sizeof(buf) };
- int i, tuner_freq, if_freq;
- u32 N;
-
- dprintk("%s:\n", __func__);
- switch (params->u.ofdm.bandwidth) {
- case BANDWIDTH_6_MHZ:
- if_freq = 4000000;
- break;
- case BANDWIDTH_7_MHZ:
- if_freq = 4500000;
- break;
- default: /* 8 MHz or Auto */
- if_freq = 5000000;
- break;
- }
- tuner_freq = params->frequency + if_freq;
-
- i = 0;
- while (tda827x_table[i].lomax < tuner_freq) {
- if (tda827x_table[i + 1].lomax == 0)
- break;
- i++;
- }
-
- N = ((tuner_freq + 125000) / 250000) << (tda827x_table[i].spd + 2);
- buf[0] = 0;
- buf[1] = (N>>8) | 0x40;
- buf[2] = N & 0xff;
- buf[3] = 0;
- buf[4] = 0x52;
- buf[5] = (tda827x_table[i].spd << 6) + (tda827x_table[i].div1p5 << 5) +
- (tda827x_table[i].bs << 3) +
- tda827x_table[i].bp;
- buf[6] = (tda827x_table[i].gc3 << 4) + 0x8f;
- buf[7] = 0xbf;
- buf[8] = 0x2a;
- buf[9] = 0x05;
- buf[10] = 0xff;
- buf[11] = 0x00;
- buf[12] = 0x00;
- buf[13] = 0x40;
-
- msg.len = 14;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) {
- printk("%s: could not write to tuner at addr: 0x%02x\n",
- __func__, priv->i2c_addr << 1);
- return -EIO;
- }
- msleep(500);
- /* correct CP value */
- buf[0] = 0x30;
- buf[1] = 0x50 + tda827x_table[i].cp;
- msg.len = 2;
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- priv->frequency = tuner_freq - if_freq; // FIXME
- priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
-
- return 0;
-}
-
-static int tda827xo_sleep(struct dvb_frontend *fe)
-{
- struct tda827x_priv *priv = fe->tuner_priv;
- static u8 buf[] = { 0x30, 0xd0 };
- struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
- .buf = buf, .len = sizeof(buf) };
-
- dprintk("%s:\n", __func__);
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- if (priv->cfg && priv->cfg->sleep)
- priv->cfg->sleep(fe);
-
- return 0;
-}
-
-/* ------------------------------------------------------------------ */
-
-static int tda827xo_set_analog_params(struct dvb_frontend *fe,
- struct analog_parameters *params)
-{
- unsigned char tuner_reg[8];
- unsigned char reg2[2];
- u32 N;
- int i;
- struct tda827x_priv *priv = fe->tuner_priv;
- struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0 };
- unsigned int freq = params->frequency;
-
- tda827x_set_std(fe, params);
-
- if (params->mode == V4L2_TUNER_RADIO)
- freq = freq / 1000;
-
- N = freq + priv->sgIF;
-
- i = 0;
- while (tda827x_table[i].lomax < N * 62500) {
- if (tda827x_table[i + 1].lomax == 0)
- break;
- i++;
- }
-
- N = N << tda827x_table[i].spd;
-
- tuner_reg[0] = 0;
- tuner_reg[1] = (unsigned char)(N>>8);
- tuner_reg[2] = (unsigned char) N;
- tuner_reg[3] = 0x40;
- tuner_reg[4] = 0x52 + (priv->lpsel << 5);
- tuner_reg[5] = (tda827x_table[i].spd << 6) +
- (tda827x_table[i].div1p5 << 5) +
- (tda827x_table[i].bs << 3) + tda827x_table[i].bp;
- tuner_reg[6] = 0x8f + (tda827x_table[i].gc3 << 4);
- tuner_reg[7] = 0x8f;
-
- msg.buf = tuner_reg;
- msg.len = 8;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- msg.buf = reg2;
- msg.len = 2;
- reg2[0] = 0x80;
- reg2[1] = 0;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- reg2[0] = 0x60;
- reg2[1] = 0xbf;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- reg2[0] = 0x30;
- reg2[1] = tuner_reg[4] + 0x80;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- msleep(1);
- reg2[0] = 0x30;
- reg2[1] = tuner_reg[4] + 4;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- msleep(1);
- reg2[0] = 0x30;
- reg2[1] = tuner_reg[4];
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- msleep(550);
- reg2[0] = 0x30;
- reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_table[i].cp;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- reg2[0] = 0x60;
- reg2[1] = 0x3f;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- reg2[0] = 0x80;
- reg2[1] = 0x08; /* Vsync en */
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- priv->frequency = freq * 62500;
-
- return 0;
-}
-
-static void tda827xo_agcf(struct dvb_frontend *fe)
-{
- struct tda827x_priv *priv = fe->tuner_priv;
- unsigned char data[] = { 0x80, 0x0c };
- struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
- .buf = data, .len = 2};
-
- i2c_transfer(priv->i2c_adap, &msg, 1);
-}
-
-/* ------------------------------------------------------------------ */
-
-struct tda827xa_data {
- u32 lomax;
- u8 svco;
- u8 spd;
- u8 scr;
- u8 sbs;
- u8 gc3;
-};
-
-static const struct tda827xa_data tda827xa_dvbt[] = {
- { .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 1},
- { .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1},
- { .lomax = 81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1},
- { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1},
- { .lomax = 113750000, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1},
- { .lomax = 134500000, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
- { .lomax = 154000000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
- { .lomax = 162500000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
- { .lomax = 183000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
- { .lomax = 195000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1},
- { .lomax = 227500000, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1},
- { .lomax = 269000000, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1},
- { .lomax = 290000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1},
- { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1},
- { .lomax = 390000000, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1},
- { .lomax = 455000000, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1},
- { .lomax = 520000000, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1},
- { .lomax = 538000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1},
- { .lomax = 550000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1},
- { .lomax = 620000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
- { .lomax = 650000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
- { .lomax = 700000000, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
- { .lomax = 780000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
- { .lomax = 820000000, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
- { .lomax = 870000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
- { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0},
- { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0}
-};
-
-static struct tda827xa_data tda827xa_analog[] = {
- { .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3},
- { .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3},
- { .lomax = 81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3},
- { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3},
- { .lomax = 113750000, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1},
- { .lomax = 134500000, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
- { .lomax = 154000000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
- { .lomax = 162500000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
- { .lomax = 183000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
- { .lomax = 195000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1},
- { .lomax = 227500000, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3},
- { .lomax = 269000000, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3},
- { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1},
- { .lomax = 390000000, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3},
- { .lomax = 455000000, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3},
- { .lomax = 520000000, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1},
- { .lomax = 538000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1},
- { .lomax = 554000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1},
- { .lomax = 620000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
- { .lomax = 650000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
- { .lomax = 700000000, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
- { .lomax = 780000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
- { .lomax = 820000000, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
- { .lomax = 870000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
- { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0},
- { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0}
-};
-
-static int tda827xa_sleep(struct dvb_frontend *fe)
-{
- struct tda827x_priv *priv = fe->tuner_priv;
- static u8 buf[] = { 0x30, 0x90 };
- struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
- .buf = buf, .len = sizeof(buf) };
-
- dprintk("%s:\n", __func__);
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
-
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
-
- if (priv->cfg && priv->cfg->sleep)
- priv->cfg->sleep(fe);
-
- return 0;
-}
-
-static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
- struct analog_parameters *params)
-{
- struct tda827x_priv *priv = fe->tuner_priv;
- unsigned char buf[] = {0x22, 0x01};
- int arg;
- int gp_func;
- struct i2c_msg msg = { .addr = priv->cfg->switch_addr, .flags = 0,
- .buf = buf, .len = sizeof(buf) };
-
- if (NULL == priv->cfg) {
- dprintk("tda827x_config not defined, cannot set LNA gain!\n");
- return;
- }
- if (priv->cfg->config) {
- if (high)
- dprintk("setting LNA to high gain\n");
- else
- dprintk("setting LNA to low gain\n");
- }
- switch (priv->cfg->config) {
- case 0: /* no LNA */
- break;
- case 1: /* switch is GPIO 0 of tda8290 */
- case 2:
- if (params == NULL) {
- gp_func = 0;
- arg = 0;
- } else {
- /* turn Vsync on */
- gp_func = 1;
- if (params->std & V4L2_STD_MN)
- arg = 1;
- else
- arg = 0;
- }
- if (priv->cfg->tuner_callback)
- priv->cfg->tuner_callback(priv->i2c_adap->algo_data,
- gp_func, arg);
- buf[1] = high ? 0 : 1;
- if (priv->cfg->config == 2)
- buf[1] = high ? 1 : 0;
- i2c_transfer(priv->i2c_adap, &msg, 1);
- break;
- case 3: /* switch with GPIO of saa713x */
- if (priv->cfg->tuner_callback)
- priv->cfg->tuner_callback(priv->i2c_adap->algo_data, 0, high);
- break;
- }
-}
-
-static int tda827xa_set_params(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *params)
-{
- struct tda827x_priv *priv = fe->tuner_priv;
- u8 buf[11];
-
- struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
- .buf = buf, .len = sizeof(buf) };
-
- int i, tuner_freq, if_freq;
- u32 N;
-
- dprintk("%s:\n", __func__);
-
- tda827xa_lna_gain(fe, 1, NULL);
- msleep(20);
-
- switch (params->u.ofdm.bandwidth) {
- case BANDWIDTH_6_MHZ:
- if_freq = 4000000;
- break;
- case BANDWIDTH_7_MHZ:
- if_freq = 4500000;
- break;
- default: /* 8 MHz or Auto */
- if_freq = 5000000;
- break;
- }
- tuner_freq = params->frequency + if_freq;
-
- i = 0;
- while (tda827xa_dvbt[i].lomax < tuner_freq) {
- if(tda827xa_dvbt[i + 1].lomax == 0)
- break;
- i++;
- }
-
- N = ((tuner_freq + 31250) / 62500) << tda827xa_dvbt[i].spd;
- buf[0] = 0; // subaddress
- buf[1] = N >> 8;
- buf[2] = N & 0xff;
- buf[3] = 0;
- buf[4] = 0x16;
- buf[5] = (tda827xa_dvbt[i].spd << 5) + (tda827xa_dvbt[i].svco << 3) +
- tda827xa_dvbt[i].sbs;
- buf[6] = 0x4b + (tda827xa_dvbt[i].gc3 << 4);
- buf[7] = 0x1c;
- buf[8] = 0x06;
- buf[9] = 0x24;
- buf[10] = 0x00;
- msg.len = 11;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) {
- printk("%s: could not write to tuner at addr: 0x%02x\n",
- __func__, priv->i2c_addr << 1);
- return -EIO;
- }
- buf[0] = 0x90;
- buf[1] = 0xff;
- buf[2] = 0x60;
- buf[3] = 0x00;
- buf[4] = 0x59; // lpsel, for 6MHz + 2
- msg.len = 5;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- buf[0] = 0xa0;
- buf[1] = 0x40;
- msg.len = 2;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- msleep(11);
- msg.flags = I2C_M_RD;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
- msg.flags = 0;
-
- buf[1] >>= 4;
- dprintk("tda8275a AGC2 gain is: %d\n", buf[1]);
- if ((buf[1]) < 2) {
- tda827xa_lna_gain(fe, 0, NULL);
- buf[0] = 0x60;
- buf[1] = 0x0c;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
- }
-
- buf[0] = 0xc0;
- buf[1] = 0x99; // lpsel, for 6MHz + 2
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- buf[0] = 0x60;
- buf[1] = 0x3c;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- /* correct CP value */
- buf[0] = 0x30;
- buf[1] = 0x10 + tda827xa_dvbt[i].scr;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- msleep(163);
- buf[0] = 0xc0;
- buf[1] = 0x39; // lpsel, for 6MHz + 2
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- msleep(3);
- /* freeze AGC1 */
- buf[0] = 0x50;
- buf[1] = 0x4f + (tda827xa_dvbt[i].gc3 << 4);
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- priv->frequency = tuner_freq - if_freq; // FIXME
- priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
-
- return 0;
-}
-
-
-static int tda827xa_set_analog_params(struct dvb_frontend *fe,
- struct analog_parameters *params)
-{
- unsigned char tuner_reg[11];
- u32 N;
- int i;
- struct tda827x_priv *priv = fe->tuner_priv;
- struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
- .buf = tuner_reg, .len = sizeof(tuner_reg) };
- unsigned int freq = params->frequency;
-
- tda827x_set_std(fe, params);
-
- tda827xa_lna_gain(fe, 1, params);
- msleep(10);
-
- if (params->mode == V4L2_TUNER_RADIO)
- freq = freq / 1000;
-
- N = freq + priv->sgIF;
-
- i = 0;
- while (tda827xa_analog[i].lomax < N * 62500) {
- if (tda827xa_analog[i + 1].lomax == 0)
- break;
- i++;
- }
-
- N = N << tda827xa_analog[i].spd;
-
- tuner_reg[0] = 0;
- tuner_reg[1] = (unsigned char)(N>>8);
- tuner_reg[2] = (unsigned char) N;
- tuner_reg[3] = 0;
- tuner_reg[4] = 0x16;
- tuner_reg[5] = (tda827xa_analog[i].spd << 5) +
- (tda827xa_analog[i].svco << 3) +
- tda827xa_analog[i].sbs;
- tuner_reg[6] = 0x8b + (tda827xa_analog[i].gc3 << 4);
- tuner_reg[7] = 0x1c;
- tuner_reg[8] = 4;
- tuner_reg[9] = 0x20;
- tuner_reg[10] = 0x00;
- msg.len = 11;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- tuner_reg[0] = 0x90;
- tuner_reg[1] = 0xff;
- tuner_reg[2] = 0xe0;
- tuner_reg[3] = 0;
- tuner_reg[4] = 0x99 + (priv->lpsel << 1);
- msg.len = 5;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- tuner_reg[0] = 0xa0;
- tuner_reg[1] = 0xc0;
- msg.len = 2;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- tuner_reg[0] = 0x30;
- tuner_reg[1] = 0x10 + tda827xa_analog[i].scr;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- msg.flags = I2C_M_RD;
- i2c_transfer(priv->i2c_adap, &msg, 1);
- msg.flags = 0;
- tuner_reg[1] >>= 4;
- dprintk("AGC2 gain is: %d\n", tuner_reg[1]);
- if (tuner_reg[1] < 1)
- tda827xa_lna_gain(fe, 0, params);
-
- msleep(100);
- tuner_reg[0] = 0x60;
- tuner_reg[1] = 0x3c;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- msleep(163);
- tuner_reg[0] = 0x50;
- tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- tuner_reg[0] = 0x80;
- tuner_reg[1] = 0x28;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- tuner_reg[0] = 0xb0;
- tuner_reg[1] = 0x01;
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- tuner_reg[0] = 0xc0;
- tuner_reg[1] = 0x19 + (priv->lpsel << 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- priv->frequency = freq * 62500;
-
- return 0;
-}
-
-static void tda827xa_agcf(struct dvb_frontend *fe)
-{
- struct tda827x_priv *priv = fe->tuner_priv;
- unsigned char data[] = {0x80, 0x2c};
- struct i2c_msg msg = {.addr = priv->i2c_addr, .flags = 0,
- .buf = data, .len = 2};
- i2c_transfer(priv->i2c_adap, &msg, 1);
-}
-
-/* ------------------------------------------------------------------ */
-
-static int tda827x_release(struct dvb_frontend *fe)
-{
- kfree(fe->tuner_priv);
- fe->tuner_priv = NULL;
- return 0;
-}
-
-static int tda827x_get_frequency(struct dvb_frontend *fe, u32 *frequency)
-{
- struct tda827x_priv *priv = fe->tuner_priv;
- *frequency = priv->frequency;
- return 0;
-}
-
-static int tda827x_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
-{
- struct tda827x_priv *priv = fe->tuner_priv;
- *bandwidth = priv->bandwidth;
- return 0;
-}
-
-static int tda827x_init(struct dvb_frontend *fe)
-{
- struct tda827x_priv *priv = fe->tuner_priv;
- dprintk("%s:\n", __func__);
- if (priv->cfg && priv->cfg->init)
- priv->cfg->init(fe);
-
- return 0;
-}
-
-static int tda827x_probe_version(struct dvb_frontend *fe);
-
-static int tda827x_initial_init(struct dvb_frontend *fe)
-{
- int ret;
- ret = tda827x_probe_version(fe);
- if (ret)
- return ret;
- return fe->ops.tuner_ops.init(fe);
-}
-
-static int tda827x_initial_sleep(struct dvb_frontend *fe)
-{
- int ret;
- ret = tda827x_probe_version(fe);
- if (ret)
- return ret;
- return fe->ops.tuner_ops.sleep(fe);
-}
-
-static struct dvb_tuner_ops tda827xo_tuner_ops = {
- .info = {
- .name = "Philips TDA827X",
- .frequency_min = 55000000,
- .frequency_max = 860000000,
- .frequency_step = 250000
- },
- .release = tda827x_release,
- .init = tda827x_initial_init,
- .sleep = tda827x_initial_sleep,
- .set_params = tda827xo_set_params,
- .set_analog_params = tda827xo_set_analog_params,
- .get_frequency = tda827x_get_frequency,
- .get_bandwidth = tda827x_get_bandwidth,
-};
-
-static struct dvb_tuner_ops tda827xa_tuner_ops = {
- .info = {
- .name = "Philips TDA827XA",
- .frequency_min = 44000000,
- .frequency_max = 906000000,
- .frequency_step = 62500
- },
- .release = tda827x_release,
- .init = tda827x_init,
- .sleep = tda827xa_sleep,
- .set_params = tda827xa_set_params,
- .set_analog_params = tda827xa_set_analog_params,
- .get_frequency = tda827x_get_frequency,
- .get_bandwidth = tda827x_get_bandwidth,
-};
-
-static int tda827x_probe_version(struct dvb_frontend *fe)
-{ u8 data;
- struct tda827x_priv *priv = fe->tuner_priv;
- struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = I2C_M_RD,
- .buf = &data, .len = 1 };
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) {
- printk("%s: could not read from tuner at addr: 0x%02x\n",
- __func__, msg.addr << 1);
- return -EIO;
- }
- if ((data & 0x3c) == 0) {
- dprintk("tda827x tuner found\n");
- fe->ops.tuner_ops.init = tda827x_init;
- fe->ops.tuner_ops.sleep = tda827xo_sleep;
- if (priv->cfg)
- priv->cfg->agcf = tda827xo_agcf;
- } else {
- dprintk("tda827xa tuner found\n");
- memcpy(&fe->ops.tuner_ops, &tda827xa_tuner_ops, sizeof(struct dvb_tuner_ops));
- if (priv->cfg)
- priv->cfg->agcf = tda827xa_agcf;
- }
- return 0;
-}
-
-struct dvb_frontend *tda827x_attach(struct dvb_frontend *fe, int addr,
- struct i2c_adapter *i2c,
- struct tda827x_config *cfg)
-{
- struct tda827x_priv *priv = NULL;
-
- dprintk("%s:\n", __func__);
- priv = kzalloc(sizeof(struct tda827x_priv), GFP_KERNEL);
- if (priv == NULL)
- return NULL;
-
- priv->i2c_addr = addr;
- priv->i2c_adap = i2c;
- priv->cfg = cfg;
- memcpy(&fe->ops.tuner_ops, &tda827xo_tuner_ops, sizeof(struct dvb_tuner_ops));
- fe->tuner_priv = priv;
-
- dprintk("type set to %s\n", fe->ops.tuner_ops.info.name);
-
- return fe;
-}
-EXPORT_SYMBOL_GPL(tda827x_attach);
-
-MODULE_DESCRIPTION("DVB TDA827x driver");
-MODULE_AUTHOR("Hartmut Hackmann <hartmut.hackmann@t-online.de>");
-MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>");
-MODULE_LICENSE("GPL");
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-23 19:48:32 +0000