Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 2 | |
| 3 | i2c tv tuner chip device driver |
| 4 | controls the philips tda8290+75 tuner chip combo. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 19 | |
| 20 | This "tda8290" module was split apart from the original "tuner" module. |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 21 | */ |
| 22 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include <linux/i2c.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include <linux/delay.h> |
Michael Krufky | ffbb807 | 2007-08-21 01:14:12 -0300 | [diff] [blame] | 25 | #include <linux/videodev.h> |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 26 | #include "tuner-i2c.h" |
| 27 | #include "tda8290.h" |
| 28 | |
| 29 | static int debug = 0; |
| 30 | module_param(debug, int, 0644); |
| 31 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); |
| 32 | |
| 33 | #define PREFIX "tda8290 " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | |
| 35 | /* ---------------------------------------------------------------------- */ |
| 36 | |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 37 | struct tda8290_priv { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 38 | struct tuner_i2c_props i2c_props; |
| 39 | |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 40 | unsigned char tda8290_easy_mode; |
| 41 | unsigned char tda827x_lpsel; |
| 42 | unsigned char tda827x_addr; |
| 43 | unsigned char tda827x_ver; |
| 44 | unsigned int sgIF; |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 45 | |
| 46 | u32 frequency; |
| 47 | |
| 48 | unsigned int *lna_cfg; |
| 49 | int (*tuner_callback) (void *dev, int command,int arg); |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 50 | }; |
| 51 | |
| 52 | /* ---------------------------------------------------------------------- */ |
| 53 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 54 | struct tda827x_data { |
| 55 | u32 lomax; |
| 56 | u8 spd; |
| 57 | u8 bs; |
| 58 | u8 bp; |
| 59 | u8 cp; |
| 60 | u8 gc3; |
| 61 | u8 div1p5; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | }; |
| 63 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 64 | /* Note lomax entry is lo / 62500 */ |
| 65 | |
| 66 | static struct tda827x_data tda827x_analog[] = { |
| 67 | { .lomax = 992, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 62 MHz */ |
| 68 | { .lomax = 1056, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 66 MHz */ |
| 69 | { .lomax = 1216, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 76 MHz */ |
| 70 | { .lomax = 1344, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 84 MHz */ |
| 71 | { .lomax = 1488, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 93 MHz */ |
| 72 | { .lomax = 1568, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 98 MHz */ |
| 73 | { .lomax = 1744, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 109 MHz */ |
| 74 | { .lomax = 1968, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 123 MHz */ |
| 75 | { .lomax = 2128, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 133 MHz */ |
| 76 | { .lomax = 2416, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 151 MHz */ |
| 77 | { .lomax = 2464, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 154 MHz */ |
| 78 | { .lomax = 2896, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 181 MHz */ |
| 79 | { .lomax = 2960, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 185 MHz */ |
| 80 | { .lomax = 3472, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 217 MHz */ |
| 81 | { .lomax = 3904, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 244 MHz */ |
| 82 | { .lomax = 4240, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 265 MHz */ |
| 83 | { .lomax = 4832, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 302 MHz */ |
| 84 | { .lomax = 5184, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 324 MHz */ |
| 85 | { .lomax = 5920, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 370 MHz */ |
| 86 | { .lomax = 7264, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 454 MHz */ |
| 87 | { .lomax = 7888, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 493 MHz */ |
| 88 | { .lomax = 8480, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 530 MHz */ |
| 89 | { .lomax = 8864, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 554 MHz */ |
| 90 | { .lomax = 9664, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 604 MHz */ |
| 91 | { .lomax = 11088, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 696 MHz */ |
| 92 | { .lomax = 11840, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 740 MHz */ |
| 93 | { .lomax = 13120, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 820 MHz */ |
| 94 | { .lomax = 13840, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 865 MHz */ |
| 95 | { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} /* End */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | }; |
| 97 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 98 | static void tda827x_set_analog_params(struct dvb_frontend *fe, |
| 99 | struct analog_parameters *params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | { |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 101 | unsigned char tuner_reg[8]; |
| 102 | unsigned char reg2[2]; |
Mauro Carvalho Chehab | 586b0ca | 2005-06-28 20:45:21 -0700 | [diff] [blame] | 103 | u32 N; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 104 | int i; |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 105 | struct tda8290_priv *priv = fe->tuner_priv; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 106 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0}; |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 107 | unsigned int freq = params->frequency; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 109 | if (params->mode == V4L2_TUNER_RADIO) |
Mauro Carvalho Chehab | f7ce3cc | 2005-07-12 13:58:55 -0700 | [diff] [blame] | 110 | freq = freq / 1000; |
Mauro Carvalho Chehab | 586b0ca | 2005-06-28 20:45:21 -0700 | [diff] [blame] | 111 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 112 | N = freq + priv->sgIF; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 113 | i = 0; |
| 114 | while (tda827x_analog[i].lomax < N) { |
| 115 | if(tda827x_analog[i + 1].lomax == 0) |
| 116 | break; |
| 117 | i++; |
| 118 | } |
Mauro Carvalho Chehab | 586b0ca | 2005-06-28 20:45:21 -0700 | [diff] [blame] | 119 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 120 | N = N << tda827x_analog[i].spd; |
| 121 | |
| 122 | tuner_reg[0] = 0; |
| 123 | tuner_reg[1] = (unsigned char)(N>>8); |
| 124 | tuner_reg[2] = (unsigned char) N; |
| 125 | tuner_reg[3] = 0x40; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 126 | tuner_reg[4] = 0x52 + (priv->tda827x_lpsel << 5); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 127 | tuner_reg[5] = (tda827x_analog[i].spd << 6) + (tda827x_analog[i].div1p5 <<5) + |
Nickolay V. Shmyrev | 9a741ec | 2005-11-08 21:37:50 -0800 | [diff] [blame] | 128 | (tda827x_analog[i].bs <<3) + tda827x_analog[i].bp; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 129 | tuner_reg[6] = 0x8f + (tda827x_analog[i].gc3 << 4); |
| 130 | tuner_reg[7] = 0x8f; |
| 131 | |
| 132 | msg.buf = tuner_reg; |
| 133 | msg.len = 8; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 134 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 135 | |
| 136 | msg.buf= reg2; |
| 137 | msg.len = 2; |
| 138 | reg2[0] = 0x80; |
| 139 | reg2[1] = 0; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 140 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 141 | |
| 142 | reg2[0] = 0x60; |
| 143 | reg2[1] = 0xbf; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 144 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 145 | |
| 146 | reg2[0] = 0x30; |
| 147 | reg2[1] = tuner_reg[4] + 0x80; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 148 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 149 | |
| 150 | msleep(1); |
| 151 | reg2[0] = 0x30; |
| 152 | reg2[1] = tuner_reg[4] + 4; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 153 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 154 | |
| 155 | msleep(1); |
| 156 | reg2[0] = 0x30; |
| 157 | reg2[1] = tuner_reg[4]; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 158 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 159 | |
| 160 | msleep(550); |
| 161 | reg2[0] = 0x30; |
| 162 | reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_analog[i].cp ; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 163 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 164 | |
| 165 | reg2[0] = 0x60; |
Hartmut Hackmann | 9573603 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 166 | reg2[1] = 0x3f; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 167 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 168 | |
| 169 | reg2[0] = 0x80; |
| 170 | reg2[1] = 0x08; // Vsync en |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 171 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | } |
| 173 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 174 | static void tda827x_agcf(struct dvb_frontend *fe) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 175 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 176 | struct tda8290_priv *priv = fe->tuner_priv; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 177 | unsigned char data[] = {0x80, 0x0c}; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 178 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data, |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 179 | .flags = 0, .len = 2}; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 180 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | /* ---------------------------------------------------------------------- */ |
| 184 | |
| 185 | struct tda827xa_data { |
| 186 | u32 lomax; |
| 187 | u8 svco; |
| 188 | u8 spd; |
| 189 | u8 scr; |
| 190 | u8 sbs; |
| 191 | u8 gc3; |
| 192 | }; |
| 193 | |
| 194 | static struct tda827xa_data tda827xa_analog[] = { |
| 195 | { .lomax = 910, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3}, /* 56.875 MHz */ |
| 196 | { .lomax = 1076, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 67.25 MHz */ |
| 197 | { .lomax = 1300, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 81.25 MHz */ |
| 198 | { .lomax = 1560, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 97.5 MHz */ |
| 199 | { .lomax = 1820, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, /* 113.75 MHz */ |
| 200 | { .lomax = 2152, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 134.5 MHz */ |
| 201 | { .lomax = 2464, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 154 MHz */ |
| 202 | { .lomax = 2600, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 162.5 MHz */ |
| 203 | { .lomax = 2928, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 183 MHz */ |
| 204 | { .lomax = 3120, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, /* 195 MHz */ |
| 205 | { .lomax = 3640, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3}, /* 227.5 MHz */ |
| 206 | { .lomax = 4304, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3}, /* 269 MHz */ |
| 207 | { .lomax = 5200, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, /* 325 MHz */ |
| 208 | { .lomax = 6240, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 390 MHz */ |
| 209 | { .lomax = 7280, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 455 MHz */ |
| 210 | { .lomax = 8320, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 520 MHz */ |
| 211 | { .lomax = 8608, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, /* 538 MHz */ |
| 212 | { .lomax = 8864, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 554 MHz */ |
| 213 | { .lomax = 9920, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 620 MHz */ |
| 214 | { .lomax = 10400, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 650 MHz */ |
| 215 | { .lomax = 11200, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 700 MHz */ |
| 216 | { .lomax = 12480, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 780 MHz */ |
| 217 | { .lomax = 13120, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 820 MHz */ |
| 218 | { .lomax = 13920, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 870 MHz */ |
| 219 | { .lomax = 14576, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, /* 911 MHz */ |
| 220 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} /* End */ |
| 221 | }; |
| 222 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 223 | static void tda827xa_lna_gain(struct dvb_frontend *fe, int high, |
| 224 | struct analog_parameters *params) |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 225 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 226 | struct tda8290_priv *priv = fe->tuner_priv; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 227 | unsigned char buf[] = {0x22, 0x01}; |
| 228 | int arg; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 229 | struct i2c_msg msg = {.addr = priv->i2c_props.addr, .flags = 0, .buf = buf, .len = sizeof(buf)}; |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 230 | |
| 231 | if ((priv->lna_cfg == NULL) || (priv->tuner_callback == NULL)) |
| 232 | return; |
| 233 | |
| 234 | if (*priv->lna_cfg) { |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 235 | if (high) |
| 236 | tuner_dbg("setting LNA to high gain\n"); |
| 237 | else |
| 238 | tuner_dbg("setting LNA to low gain\n"); |
| 239 | } |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 240 | switch (*priv->lna_cfg) { |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 241 | case 0: /* no LNA */ |
| 242 | break; |
| 243 | case 1: /* switch is GPIO 0 of tda8290 */ |
| 244 | case 2: |
| 245 | /* turn Vsync on */ |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 246 | if (params->std & V4L2_STD_MN) |
Hartmut Hackmann | cfeb883 | 2007-04-27 12:31:17 -0300 | [diff] [blame] | 247 | arg = 1; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 248 | else |
Hartmut Hackmann | cfeb883 | 2007-04-27 12:31:17 -0300 | [diff] [blame] | 249 | arg = 0; |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 250 | if (priv->tuner_callback) |
| 251 | priv->tuner_callback(priv->i2c_props.adap->algo_data, 1, arg); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 252 | buf[1] = high ? 0 : 1; |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 253 | if (*priv->lna_cfg == 2) |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 254 | buf[1] = high ? 1 : 0; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 255 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 256 | break; |
| 257 | case 3: /* switch with GPIO of saa713x */ |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 258 | if (priv->tuner_callback) |
| 259 | priv->tuner_callback(priv->i2c_props.adap->algo_data, 0, high); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 260 | break; |
| 261 | } |
| 262 | } |
| 263 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 264 | static void tda827xa_set_analog_params(struct dvb_frontend *fe, |
| 265 | struct analog_parameters *params) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 266 | { |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 267 | unsigned char tuner_reg[11]; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 268 | u32 N; |
| 269 | int i; |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 270 | struct tda8290_priv *priv = fe->tuner_priv; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 271 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0, .buf = tuner_reg}; |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 272 | unsigned int freq = params->frequency; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 273 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 274 | tda827xa_lna_gain(fe, 1, params); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 275 | msleep(10); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 276 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 277 | if (params->mode == V4L2_TUNER_RADIO) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 278 | freq = freq / 1000; |
| 279 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 280 | N = freq + priv->sgIF; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 281 | i = 0; |
| 282 | while (tda827xa_analog[i].lomax < N) { |
| 283 | if(tda827xa_analog[i + 1].lomax == 0) |
| 284 | break; |
| 285 | i++; |
| 286 | } |
| 287 | |
| 288 | N = N << tda827xa_analog[i].spd; |
| 289 | |
| 290 | tuner_reg[0] = 0; |
| 291 | tuner_reg[1] = (unsigned char)(N>>8); |
| 292 | tuner_reg[2] = (unsigned char) N; |
| 293 | tuner_reg[3] = 0; |
| 294 | tuner_reg[4] = 0x16; |
| 295 | tuner_reg[5] = (tda827xa_analog[i].spd << 5) + (tda827xa_analog[i].svco << 3) + |
Nickolay V. Shmyrev | 9a741ec | 2005-11-08 21:37:50 -0800 | [diff] [blame] | 296 | tda827xa_analog[i].sbs; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 297 | tuner_reg[6] = 0x8b + (tda827xa_analog[i].gc3 << 4); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 298 | tuner_reg[7] = 0x1c; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 299 | tuner_reg[8] = 4; |
| 300 | tuner_reg[9] = 0x20; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 301 | tuner_reg[10] = 0x00; |
| 302 | msg.len = 11; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 303 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 304 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 305 | tuner_reg[0] = 0x90; |
| 306 | tuner_reg[1] = 0xff; |
| 307 | tuner_reg[2] = 0xe0; |
| 308 | tuner_reg[3] = 0; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 309 | tuner_reg[4] = 0x99 + (priv->tda827x_lpsel << 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 310 | msg.len = 5; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 311 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 312 | |
| 313 | tuner_reg[0] = 0xa0; |
| 314 | tuner_reg[1] = 0xc0; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 315 | msg.len = 2; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 316 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 317 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 318 | tuner_reg[0] = 0x30; |
| 319 | tuner_reg[1] = 0x10 + tda827xa_analog[i].scr; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 320 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 321 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 322 | msg.flags = I2C_M_RD; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 323 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 324 | msg.flags = 0; |
| 325 | tuner_reg[1] >>= 4; |
| 326 | tuner_dbg("AGC2 gain is: %d\n", tuner_reg[1]); |
| 327 | if (tuner_reg[1] < 1) |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 328 | tda827xa_lna_gain(fe, 0, params); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 329 | |
| 330 | msleep(100); |
| 331 | tuner_reg[0] = 0x60; |
| 332 | tuner_reg[1] = 0x3c; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 333 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 334 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 335 | msleep(163); |
| 336 | tuner_reg[0] = 0x50; |
| 337 | tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 338 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 339 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 340 | tuner_reg[0] = 0x80; |
| 341 | tuner_reg[1] = 0x28; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 342 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 343 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 344 | tuner_reg[0] = 0xb0; |
| 345 | tuner_reg[1] = 0x01; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 346 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 347 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 348 | tuner_reg[0] = 0xc0; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 349 | tuner_reg[1] = 0x19 + (priv->tda827x_lpsel << 1); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 350 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 351 | } |
| 352 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 353 | static void tda827xa_agcf(struct dvb_frontend *fe) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 354 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 355 | struct tda8290_priv *priv = fe->tuner_priv; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 356 | unsigned char data[] = {0x80, 0x2c}; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 357 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data, |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 358 | .flags = 0, .len = 2}; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 359 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 360 | } |
| 361 | |
| 362 | /*---------------------------------------------------------------------*/ |
| 363 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 364 | static void tda8290_i2c_bridge(struct dvb_frontend *fe, int close) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 365 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 366 | struct tda8290_priv *priv = fe->tuner_priv; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 367 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 368 | unsigned char enable[2] = { 0x21, 0xC0 }; |
Hartmut Hackmann | 0157a9c | 2006-02-07 06:49:09 -0200 | [diff] [blame] | 369 | unsigned char disable[2] = { 0x21, 0x00 }; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 370 | unsigned char *msg; |
| 371 | if(close) { |
| 372 | msg = enable; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 373 | tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 374 | /* let the bridge stabilize */ |
| 375 | msleep(20); |
| 376 | } else { |
| 377 | msg = disable; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 378 | tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 379 | } |
| 380 | } |
| 381 | |
| 382 | /*---------------------------------------------------------------------*/ |
| 383 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 384 | static void set_audio(struct dvb_frontend *fe, |
| 385 | struct analog_parameters *params) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 386 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 387 | struct tda8290_priv *priv = fe->tuner_priv; |
| 388 | char* mode; |
| 389 | |
| 390 | priv->tda827x_lpsel = 0; |
| 391 | if (params->std & V4L2_STD_MN) { |
| 392 | priv->sgIF = 92; |
| 393 | priv->tda8290_easy_mode = 0x01; |
| 394 | priv->tda827x_lpsel = 1; |
| 395 | mode = "MN"; |
| 396 | } else if (params->std & V4L2_STD_B) { |
| 397 | priv->sgIF = 108; |
| 398 | priv->tda8290_easy_mode = 0x02; |
| 399 | mode = "B"; |
| 400 | } else if (params->std & V4L2_STD_GH) { |
| 401 | priv->sgIF = 124; |
| 402 | priv->tda8290_easy_mode = 0x04; |
| 403 | mode = "GH"; |
| 404 | } else if (params->std & V4L2_STD_PAL_I) { |
| 405 | priv->sgIF = 124; |
| 406 | priv->tda8290_easy_mode = 0x08; |
| 407 | mode = "I"; |
| 408 | } else if (params->std & V4L2_STD_DK) { |
| 409 | priv->sgIF = 124; |
| 410 | priv->tda8290_easy_mode = 0x10; |
| 411 | mode = "DK"; |
| 412 | } else if (params->std & V4L2_STD_SECAM_L) { |
| 413 | priv->sgIF = 124; |
| 414 | priv->tda8290_easy_mode = 0x20; |
| 415 | mode = "L"; |
| 416 | } else if (params->std & V4L2_STD_SECAM_LC) { |
| 417 | priv->sgIF = 20; |
| 418 | priv->tda8290_easy_mode = 0x40; |
| 419 | mode = "LC"; |
| 420 | } else { |
| 421 | priv->sgIF = 124; |
| 422 | priv->tda8290_easy_mode = 0x10; |
| 423 | mode = "xx"; |
| 424 | } |
| 425 | |
| 426 | if (params->mode == V4L2_TUNER_RADIO) |
| 427 | priv->sgIF = 88; /* if frequency is 5.5 MHz */ |
| 428 | |
| 429 | tuner_dbg("setting tda8290 to system %s\n", mode); |
| 430 | } |
| 431 | |
| 432 | static int tda8290_set_params(struct dvb_frontend *fe, |
| 433 | struct analog_parameters *params) |
| 434 | { |
| 435 | struct tda8290_priv *priv = fe->tuner_priv; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 436 | unsigned char soft_reset[] = { 0x00, 0x00 }; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 437 | unsigned char easy_mode[] = { 0x01, priv->tda8290_easy_mode }; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 438 | unsigned char expert_mode[] = { 0x01, 0x80 }; |
Hartmut Hackmann | 0157a9c | 2006-02-07 06:49:09 -0200 | [diff] [blame] | 439 | unsigned char agc_out_on[] = { 0x02, 0x00 }; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 440 | unsigned char gainset_off[] = { 0x28, 0x14 }; |
| 441 | unsigned char if_agc_spd[] = { 0x0f, 0x88 }; |
| 442 | unsigned char adc_head_6[] = { 0x05, 0x04 }; |
| 443 | unsigned char adc_head_9[] = { 0x05, 0x02 }; |
| 444 | unsigned char adc_head_12[] = { 0x05, 0x01 }; |
| 445 | unsigned char pll_bw_nom[] = { 0x0d, 0x47 }; |
| 446 | unsigned char pll_bw_low[] = { 0x0d, 0x27 }; |
| 447 | unsigned char gainset_2[] = { 0x28, 0x64 }; |
| 448 | unsigned char agc_rst_on[] = { 0x0e, 0x0b }; |
| 449 | unsigned char agc_rst_off[] = { 0x0e, 0x09 }; |
| 450 | unsigned char if_agc_set[] = { 0x0f, 0x81 }; |
| 451 | unsigned char addr_adc_sat = 0x1a; |
| 452 | unsigned char addr_agc_stat = 0x1d; |
| 453 | unsigned char addr_pll_stat = 0x1b; |
| 454 | unsigned char adc_sat, agc_stat, |
Nickolay V. Shmyrev | 9a741ec | 2005-11-08 21:37:50 -0800 | [diff] [blame] | 455 | pll_stat; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 456 | int i; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 457 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 458 | set_audio(fe, params); |
| 459 | |
| 460 | if (priv->lna_cfg) |
| 461 | tuner_dbg("tda827xa config is 0x%02x\n", *priv->lna_cfg); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 462 | tuner_i2c_xfer_send(&priv->i2c_props, easy_mode, 2); |
| 463 | tuner_i2c_xfer_send(&priv->i2c_props, agc_out_on, 2); |
| 464 | tuner_i2c_xfer_send(&priv->i2c_props, soft_reset, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 465 | msleep(1); |
| 466 | |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 467 | expert_mode[1] = priv->tda8290_easy_mode + 0x80; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 468 | tuner_i2c_xfer_send(&priv->i2c_props, expert_mode, 2); |
| 469 | tuner_i2c_xfer_send(&priv->i2c_props, gainset_off, 2); |
| 470 | tuner_i2c_xfer_send(&priv->i2c_props, if_agc_spd, 2); |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 471 | if (priv->tda8290_easy_mode & 0x60) |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 472 | tuner_i2c_xfer_send(&priv->i2c_props, adc_head_9, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 473 | else |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 474 | tuner_i2c_xfer_send(&priv->i2c_props, adc_head_6, 2); |
| 475 | tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 476 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 477 | tda8290_i2c_bridge(fe, 1); |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 478 | if (priv->tda827x_ver != 0) |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 479 | tda827xa_set_analog_params(fe, params); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 480 | else |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 481 | tda827x_set_analog_params(fe, params); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 482 | for (i = 0; i < 3; i++) { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 483 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); |
| 484 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 485 | if (pll_stat & 0x80) { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 486 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1); |
| 487 | tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1); |
| 488 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); |
| 489 | tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 490 | tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat); |
| 491 | break; |
| 492 | } else { |
| 493 | tuner_dbg("tda8290 not locked, no signal?\n"); |
| 494 | msleep(100); |
| 495 | } |
| 496 | } |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 497 | /* adjust headroom resp. gain */ |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 498 | if ((agc_stat > 115) || (!(pll_stat & 0x80) && (adc_sat < 20))) { |
| 499 | tuner_dbg("adjust gain, step 1. Agc: %d, ADC stat: %d, lock: %d\n", |
| 500 | agc_stat, adc_sat, pll_stat & 0x80); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 501 | tuner_i2c_xfer_send(&priv->i2c_props, gainset_2, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 502 | msleep(100); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 503 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); |
| 504 | tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); |
| 505 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); |
| 506 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 507 | if ((agc_stat > 115) || !(pll_stat & 0x80)) { |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 508 | tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n", |
| 509 | agc_stat, pll_stat & 0x80); |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 510 | if (priv->tda827x_ver != 0) |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 511 | tda827xa_agcf(fe); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 512 | else |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 513 | tda827x_agcf(fe); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 514 | msleep(100); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 515 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); |
| 516 | tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); |
| 517 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); |
| 518 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 519 | if((agc_stat > 115) || !(pll_stat & 0x80)) { |
| 520 | tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 521 | tuner_i2c_xfer_send(&priv->i2c_props, adc_head_12, 2); |
| 522 | tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_low, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 523 | msleep(100); |
| 524 | } |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | /* l/ l' deadlock? */ |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 529 | if(priv->tda8290_easy_mode & 0x60) { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 530 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1); |
| 531 | tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1); |
| 532 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); |
| 533 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 534 | if ((adc_sat > 20) || !(pll_stat & 0x80)) { |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 535 | tuner_dbg("trying to resolve SECAM L deadlock\n"); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 536 | tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_on, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 537 | msleep(40); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 538 | tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_off, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 539 | } |
| 540 | } |
| 541 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 542 | tda8290_i2c_bridge(fe, 0); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 543 | tuner_i2c_xfer_send(&priv->i2c_props, if_agc_set, 2); |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 544 | |
| 545 | priv->frequency = (V4L2_TUNER_RADIO == params->mode) ? |
| 546 | params->frequency * 125 / 2 : params->frequency * 62500; |
| 547 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 548 | return 0; |
| 549 | } |
| 550 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 551 | /*---------------------------------------------------------------------*/ |
| 552 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 553 | static int tda8290_has_signal(struct dvb_frontend *fe) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 555 | struct tda8290_priv *priv = fe->tuner_priv; |
Michael Krufky | 3782e05 | 2007-08-31 17:53:00 -0300 | [diff] [blame] | 556 | int ret; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 557 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | unsigned char i2c_get_afc[1] = { 0x1B }; |
| 559 | unsigned char afc = 0; |
| 560 | |
Michael Krufky | 3782e05 | 2007-08-31 17:53:00 -0300 | [diff] [blame] | 561 | /* for now, report based on afc status */ |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 562 | tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc)); |
| 563 | tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1); |
Michael Krufky | 3782e05 | 2007-08-31 17:53:00 -0300 | [diff] [blame] | 564 | |
| 565 | ret = (afc & 0x80) ? 65535 : 0; |
| 566 | |
| 567 | tuner_dbg("AFC status: %d\n", ret); |
| 568 | |
| 569 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | } |
| 571 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 572 | static int tda8290_get_status(struct dvb_frontend *fe, u32 *status) |
| 573 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 574 | *status = 0; |
| 575 | |
Michael Krufky | 3782e05 | 2007-08-31 17:53:00 -0300 | [diff] [blame] | 576 | if (tda8290_has_signal(fe)) |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 577 | *status = TUNER_STATUS_LOCKED; |
| 578 | |
Michael Krufky | 3782e05 | 2007-08-31 17:53:00 -0300 | [diff] [blame] | 579 | return 0; |
| 580 | } |
| 581 | |
| 582 | static int tda8290_get_rf_strength(struct dvb_frontend *fe, u16 *strength) |
| 583 | { |
| 584 | *strength = tda8290_has_signal(fe); |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 585 | |
| 586 | return 0; |
| 587 | } |
| 588 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 589 | /*---------------------------------------------------------------------*/ |
| 590 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 591 | static int tda8290_standby(struct dvb_frontend *fe) |
Mauro Carvalho Chehab | 793cf9e | 2005-09-09 13:03:37 -0700 | [diff] [blame] | 592 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 593 | struct tda8290_priv *priv = fe->tuner_priv; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 594 | unsigned char cb1[] = { 0x30, 0xD0 }; |
| 595 | unsigned char tda8290_standby[] = { 0x00, 0x02 }; |
Hartmut Hackmann | 0157a9c | 2006-02-07 06:49:09 -0200 | [diff] [blame] | 596 | unsigned char tda8290_agc_tri[] = { 0x02, 0x20 }; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 597 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=cb1, .len = 2}; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 598 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 599 | tda8290_i2c_bridge(fe, 1); |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 600 | if (priv->tda827x_ver != 0) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 601 | cb1[1] = 0x90; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 602 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 603 | tda8290_i2c_bridge(fe, 0); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 604 | tuner_i2c_xfer_send(&priv->i2c_props, tda8290_agc_tri, 2); |
| 605 | tuner_i2c_xfer_send(&priv->i2c_props, tda8290_standby, 2); |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 606 | |
| 607 | return 0; |
Mauro Carvalho Chehab | 793cf9e | 2005-09-09 13:03:37 -0700 | [diff] [blame] | 608 | } |
| 609 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 610 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 611 | static void tda8290_init_if(struct dvb_frontend *fe) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 612 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 613 | struct tda8290_priv *priv = fe->tuner_priv; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 614 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 615 | unsigned char set_VS[] = { 0x30, 0x6F }; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 616 | unsigned char set_GP00_CF[] = { 0x20, 0x01 }; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 617 | unsigned char set_GP01_CF[] = { 0x20, 0x0B }; |
| 618 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 619 | if ((priv->lna_cfg) && |
| 620 | ((*priv->lna_cfg == 1) || (*priv->lna_cfg == 2))) |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 621 | tuner_i2c_xfer_send(&priv->i2c_props, set_GP00_CF, 2); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 622 | else |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 623 | tuner_i2c_xfer_send(&priv->i2c_props, set_GP01_CF, 2); |
| 624 | tuner_i2c_xfer_send(&priv->i2c_props, set_VS, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 625 | } |
| 626 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 627 | static void tda8290_init_tuner(struct dvb_frontend *fe) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 628 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 629 | struct tda8290_priv *priv = fe->tuner_priv; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 630 | unsigned char tda8275_init[] = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf, |
Nickolay V. Shmyrev | 9a741ec | 2005-11-08 21:37:50 -0800 | [diff] [blame] | 631 | 0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 }; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 632 | unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b, |
Nickolay V. Shmyrev | 9a741ec | 2005-11-08 21:37:50 -0800 | [diff] [blame] | 633 | 0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b }; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 634 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, |
Ricardo Cerqueira | c2f6f9d | 2005-11-08 21:37:51 -0800 | [diff] [blame] | 635 | .buf=tda8275_init, .len = 14}; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 636 | if (priv->tda827x_ver != 0) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 637 | msg.buf = tda8275a_init; |
| 638 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 639 | tda8290_i2c_bridge(fe, 1); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 640 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 641 | tda8290_i2c_bridge(fe, 0); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 642 | } |
| 643 | |
| 644 | /*---------------------------------------------------------------------*/ |
| 645 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 646 | static int tda8290_release(struct dvb_frontend *fe) |
Michael Krufky | 024cf53 | 2007-06-04 15:20:11 -0300 | [diff] [blame] | 647 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 648 | kfree(fe->tuner_priv); |
| 649 | fe->tuner_priv = NULL; |
| 650 | |
| 651 | return 0; |
Michael Krufky | 024cf53 | 2007-06-04 15:20:11 -0300 | [diff] [blame] | 652 | } |
| 653 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 654 | static int tda8290_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
| 655 | { |
| 656 | struct tda8290_priv *priv = fe->tuner_priv; |
| 657 | *frequency = priv->frequency; |
| 658 | return 0; |
| 659 | } |
| 660 | |
| 661 | static struct dvb_tuner_ops tda8290_tuner_ops = { |
| 662 | .sleep = tda8290_standby, |
| 663 | .set_analog_params = tda8290_set_params, |
| 664 | .release = tda8290_release, |
| 665 | .get_frequency = tda8290_get_frequency, |
| 666 | .get_status = tda8290_get_status, |
Michael Krufky | 3782e05 | 2007-08-31 17:53:00 -0300 | [diff] [blame] | 667 | .get_rf_strength = tda8290_get_rf_strength, |
Michael Krufky | 7fd8b26 | 2007-06-06 16:15:15 -0300 | [diff] [blame] | 668 | }; |
| 669 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 670 | struct dvb_frontend *tda8290_attach(struct dvb_frontend *fe, |
| 671 | struct i2c_adapter* i2c_adap, |
| 672 | u8 i2c_addr, |
| 673 | struct tda8290_config *cfg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 674 | { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 675 | struct tda8290_priv *priv = NULL; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 676 | u8 data; |
| 677 | int i, ret, tuners_found; |
| 678 | u32 tuner_addrs; |
| 679 | struct i2c_msg msg = {.flags=I2C_M_RD, .buf=&data, .len = 1}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 681 | priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL); |
| 682 | if (priv == NULL) |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 683 | return NULL; |
| 684 | fe->tuner_priv = priv; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 685 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 686 | priv->i2c_props.addr = i2c_addr; |
| 687 | priv->i2c_props.adap = i2c_adap; |
| 688 | if (cfg) { |
| 689 | priv->lna_cfg = cfg->lna_cfg; |
| 690 | priv->tuner_callback = cfg->tuner_callback; |
| 691 | } |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 692 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 693 | tda8290_i2c_bridge(fe, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 694 | /* probe for tuner chip */ |
| 695 | tuners_found = 0; |
| 696 | tuner_addrs = 0; |
| 697 | for (i=0x60; i<= 0x63; i++) { |
| 698 | msg.addr = i; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 699 | ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 700 | if (ret == 1) { |
| 701 | tuners_found++; |
| 702 | tuner_addrs = (tuner_addrs << 8) + i; |
| 703 | } |
| 704 | } |
| 705 | /* if there is more than one tuner, we expect the right one is |
| 706 | behind the bridge and we choose the highest address that doesn't |
| 707 | give a response now |
| 708 | */ |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 709 | tda8290_i2c_bridge(fe, 0); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 710 | if(tuners_found > 1) |
| 711 | for (i = 0; i < tuners_found; i++) { |
| 712 | msg.addr = tuner_addrs & 0xff; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 713 | ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 714 | if(ret == 1) |
| 715 | tuner_addrs = tuner_addrs >> 8; |
| 716 | else |
| 717 | break; |
| 718 | } |
| 719 | if (tuner_addrs == 0) { |
| 720 | tuner_addrs = 0x61; |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 721 | tuner_info("could not clearly identify tuner address, defaulting to %x\n", |
Nickolay V. Shmyrev | 01cb963 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 722 | tuner_addrs); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 723 | } else { |
| 724 | tuner_addrs = tuner_addrs & 0xff; |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 725 | tuner_info("setting tuner address to %x\n", tuner_addrs); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 726 | } |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 727 | priv->tda827x_addr = tuner_addrs; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 728 | msg.addr = tuner_addrs; |
| 729 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 730 | tda8290_i2c_bridge(fe, 1); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 731 | ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 732 | if( ret != 1) |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 733 | tuner_warn("TDA827x access failed!\n"); |
| 734 | |
| 735 | memcpy(&fe->ops.tuner_ops, &tda8290_tuner_ops, |
| 736 | sizeof(struct dvb_tuner_ops)); |
| 737 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 738 | if ((data & 0x3c) == 0) { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 739 | strlcpy(fe->ops.tuner_ops.info.name, "tda8290+75", |
| 740 | sizeof(fe->ops.tuner_ops.info.name)); |
| 741 | fe->ops.tuner_ops.info.frequency_min = 55000000; |
| 742 | fe->ops.tuner_ops.info.frequency_max = 860000000; |
| 743 | fe->ops.tuner_ops.info.frequency_step = 250000; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 744 | priv->tda827x_ver = 0; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 745 | } else { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 746 | strlcpy(fe->ops.tuner_ops.info.name, "tda8290+75a", |
| 747 | sizeof(fe->ops.tuner_ops.info.name)); |
| 748 | fe->ops.tuner_ops.info.frequency_min = 44000000; |
| 749 | fe->ops.tuner_ops.info.frequency_max = 906000000; |
| 750 | fe->ops.tuner_ops.info.frequency_step = 62500; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 751 | priv->tda827x_ver = 2; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 752 | } |
Michael Krufky | 7fd8b26 | 2007-06-06 16:15:15 -0300 | [diff] [blame] | 753 | |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 754 | priv->tda827x_lpsel = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 755 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 756 | tda8290_init_tuner(fe); |
| 757 | tda8290_init_if(fe); |
| 758 | return fe; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | } |
| 760 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 761 | int tda8290_probe(struct i2c_adapter* i2c_adap, u8 i2c_addr) |
Hartmut Hackmann | 9573603 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 762 | { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 763 | struct tuner_i2c_props i2c_props = { |
| 764 | .adap = i2c_adap, |
| 765 | .addr = i2c_addr |
| 766 | }; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame] | 767 | |
Hartmut Hackmann | 44fd06f | 2006-02-27 00:09:11 -0300 | [diff] [blame] | 768 | unsigned char soft_reset[] = { 0x00, 0x00 }; |
| 769 | unsigned char easy_mode_b[] = { 0x01, 0x02 }; |
| 770 | unsigned char easy_mode_g[] = { 0x01, 0x04 }; |
| 771 | unsigned char restore_9886[] = { 0x00, 0xd6, 0x30 }; |
Hartmut Hackmann | 9573603 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 772 | unsigned char addr_dto_lsb = 0x07; |
| 773 | unsigned char data; |
| 774 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 775 | tuner_i2c_xfer_send(&i2c_props, easy_mode_b, 2); |
| 776 | tuner_i2c_xfer_send(&i2c_props, soft_reset, 2); |
| 777 | tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1); |
| 778 | tuner_i2c_xfer_recv(&i2c_props, &data, 1); |
Hartmut Hackmann | 9573603 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 779 | if (data == 0) { |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 780 | tuner_i2c_xfer_send(&i2c_props, easy_mode_g, 2); |
| 781 | tuner_i2c_xfer_send(&i2c_props, soft_reset, 2); |
| 782 | tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1); |
| 783 | tuner_i2c_xfer_recv(&i2c_props, &data, 1); |
Hartmut Hackmann | 9573603 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 784 | if (data == 0x7b) { |
| 785 | return 0; |
| 786 | } |
| 787 | } |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 788 | tuner_i2c_xfer_send(&i2c_props, restore_9886, 3); |
Hartmut Hackmann | 9573603 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 789 | return -1; |
| 790 | } |
| 791 | |
Michael Krufky | 910bb3e | 2007-08-27 21:22:20 -0300 | [diff] [blame] | 792 | EXPORT_SYMBOL_GPL(tda8290_probe); |
| 793 | EXPORT_SYMBOL_GPL(tda8290_attach); |
| 794 | |
| 795 | MODULE_DESCRIPTION("Philips TDA8290 + TDA8275 / TDA8275a tuner driver"); |
| 796 | MODULE_AUTHOR("Gerd Knorr, Hartmut Hackmann"); |
| 797 | MODULE_LICENSE("GPL"); |
| 798 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 799 | /* |
| 800 | * Overrides for Emacs so that we follow Linus's tabbing style. |
| 801 | * --------------------------------------------------------------------------- |
| 802 | * Local variables: |
| 803 | * c-basic-offset: 8 |
| 804 | * End: |
| 805 | */ |