From 7c91f0624a9a2b8b9b122cf94fef34bc7f7347a6 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 29 Apr 2008 21:38:44 -0300 Subject: V4L/DVB(7767): Move tuners to common/tuners There were several issues in the past, caused by the hybrid tuner design, since now, the same tuner can be used by drivers/media/dvb and drivers/media/video. Kconfig items were rearranged, to split V4L/DVB core from their drivers. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/tda827x.c | 852 ---------------------------------- 1 file changed, 852 deletions(-) delete mode 100644 drivers/media/dvb/frontends/tda827x.c (limited to 'drivers/media/dvb/frontends/tda827x.c') diff --git a/drivers/media/dvb/frontends/tda827x.c b/drivers/media/dvb/frontends/tda827x.c deleted file mode 100644 index d30d2c9..0000000 --- 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 -#include -#include -#include - -#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 "); -MODULE_AUTHOR("Michael Krufky "); -MODULE_LICENSE("GPL"); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ -- cgit v1.1