diff options
Diffstat (limited to 'drivers/media/video/tda8290.c')
| -rw-r--r-- | drivers/media/video/tda8290.c | 638 |
1 files changed, 478 insertions, 160 deletions
diff --git a/drivers/media/video/tda8290.c b/drivers/media/video/tda8290.c index e2027dada5d..47d3d2ce977 100644 --- a/drivers/media/video/tda8290.c +++ b/drivers/media/video/tda8290.c @@ -1,177 +1,402 @@ /* - * - * i2c tv tuner chip device driver - * controls the philips tda8290+75 tuner chip combo. - */ + + i2c tv tuner chip device driver + controls the philips tda8290+75 tuner chip combo. + + 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/i2c.h> #include <linux/videodev.h> #include <linux/delay.h> #include <media/tuner.h> -#define I2C_ADDR_TDA8290 0x4b -#define I2C_ADDR_TDA8275 0x61 - /* ---------------------------------------------------------------------- */ -struct freq_entry { - u16 freq; - u8 value; +struct tda827x_data { + u32 lomax; + u8 spd; + u8 bs; + u8 bp; + u8 cp; + u8 gc3; + u8 div1p5; }; -static struct freq_entry band_table[] = { - { 0x2DF4, 0x1C }, - { 0x2574, 0x14 }, - { 0x22B4, 0x0C }, - { 0x20D4, 0x0B }, - { 0x1E74, 0x3B }, - { 0x1C34, 0x33 }, - { 0x16F4, 0x5B }, - { 0x1454, 0x53 }, - { 0x12D4, 0x52 }, - { 0x1034, 0x4A }, - { 0x0EE4, 0x7A }, - { 0x0D34, 0x72 }, - { 0x0B54, 0x9A }, - { 0x0914, 0x91 }, - { 0x07F4, 0x89 }, - { 0x0774, 0xB9 }, - { 0x067B, 0xB1 }, - { 0x0634, 0xD9 }, - { 0x05A4, 0xD8 }, // FM radio - { 0x0494, 0xD0 }, - { 0x03BC, 0xC8 }, - { 0x0394, 0xF8 }, // 57250000 Hz - { 0x0000, 0xF0 }, // 0 + /* Note lomax entry is lo / 62500 */ + +static struct tda827x_data tda827x_analog[] = { + { .lomax = 992, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 62 MHz */ + { .lomax = 1056, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 66 MHz */ + { .lomax = 1216, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 76 MHz */ + { .lomax = 1344, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 84 MHz */ + { .lomax = 1488, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 93 MHz */ + { .lomax = 1568, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 98 MHz */ + { .lomax = 1744, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 109 MHz */ + { .lomax = 1968, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 123 MHz */ + { .lomax = 2128, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 133 MHz */ + { .lomax = 2416, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 151 MHz */ + { .lomax = 2464, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 154 MHz */ + { .lomax = 2896, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 181 MHz */ + { .lomax = 2960, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 185 MHz */ + { .lomax = 3472, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 217 MHz */ + { .lomax = 3904, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 244 MHz */ + { .lomax = 4240, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 265 MHz */ + { .lomax = 4832, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 302 MHz */ + { .lomax = 5184, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 324 MHz */ + { .lomax = 5920, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 370 MHz */ + { .lomax = 7264, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 454 MHz */ + { .lomax = 7888, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 493 MHz */ + { .lomax = 8480, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 530 MHz */ + { .lomax = 8864, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 554 MHz */ + { .lomax = 9664, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 604 MHz */ + { .lomax = 11088, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 696 MHz */ + { .lomax = 11840, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 740 MHz */ + { .lomax = 13120, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 820 MHz */ + { .lomax = 13840, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 865 MHz */ + { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} /* End */ }; -static struct freq_entry div_table[] = { - { 0x1C34, 3 }, - { 0x0D34, 2 }, - { 0x067B, 1 }, - { 0x0000, 0 }, -}; +static void tda827x_tune(struct i2c_client *c, u16 ifc, unsigned int freq) +{ + unsigned char tuner_reg[8]; + unsigned char reg2[2]; + u32 N; + int i; + struct tuner *t = i2c_get_clientdata(c); + struct i2c_msg msg = {.addr = t->tda827x_addr, .flags = 0}; -static struct freq_entry agc_table[] = { - { 0x22B4, 0x8F }, - { 0x0B54, 0x9F }, - { 0x09A4, 0x8F }, - { 0x0554, 0x9F }, - { 0x0000, 0xBF }, -}; + if (t->mode == V4L2_TUNER_RADIO) + freq = freq / 1000; + + N = freq + ifc; + i = 0; + while (tda827x_analog[i].lomax < N) { + if(tda827x_analog[i + 1].lomax == 0) + break; + i++; + } + + N = N << tda827x_analog[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 + (t->tda827x_lpsel << 5); + tuner_reg[5] = (tda827x_analog[i].spd << 6) + (tda827x_analog[i].div1p5 <<5) + + (tda827x_analog[i].bs <<3) + tda827x_analog[i].bp; + tuner_reg[6] = 0x8f + (tda827x_analog[i].gc3 << 4); + tuner_reg[7] = 0x8f; + + msg.buf = tuner_reg; + msg.len = 8; + i2c_transfer(c->adapter, &msg, 1); + + msg.buf= reg2; + msg.len = 2; + reg2[0] = 0x80; + reg2[1] = 0; + i2c_transfer(c->adapter, &msg, 1); + + reg2[0] = 0x60; + reg2[1] = 0xbf; + i2c_transfer(c->adapter, &msg, 1); + + reg2[0] = 0x30; + reg2[1] = tuner_reg[4] + 0x80; + i2c_transfer(c->adapter, &msg, 1); + + msleep(1); + reg2[0] = 0x30; + reg2[1] = tuner_reg[4] + 4; + i2c_transfer(c->adapter, &msg, 1); + + msleep(1); + reg2[0] = 0x30; + reg2[1] = tuner_reg[4]; + i2c_transfer(c->adapter, &msg, 1); + + msleep(550); + reg2[0] = 0x30; + reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_analog[i].cp ; + i2c_transfer(c->adapter, &msg, 1); -static __u8 get_freq_entry( struct freq_entry* table, __u16 freq) + reg2[0] = 0x60; + reg2[1] = 0x7f; + i2c_transfer(c->adapter, &msg, 1); + + reg2[0] = 0x80; + reg2[1] = 0x08; // Vsync en + i2c_transfer(c->adapter, &msg, 1); +} + +static void tda827x_agcf(struct i2c_client *c) { - while(table->freq && table->freq > freq) - table++; - return table->value; + struct tuner *t = i2c_get_clientdata(c); + unsigned char data[] = {0x80, 0x0c}; + struct i2c_msg msg = {.addr = t->tda827x_addr, .buf = data, + .flags = 0, .len = 2}; + i2c_transfer(c->adapter, &msg, 1); } /* ---------------------------------------------------------------------- */ -static unsigned char i2c_enable_bridge[2] = { 0x21, 0xC0 }; -static unsigned char i2c_disable_bridge[2] = { 0x21, 0x80 }; -static unsigned char i2c_init_tda8275[14] = { 0x00, 0x00, 0x00, 0x00, - 0xfC, 0x04, 0xA3, 0x3F, - 0x2A, 0x04, 0xFF, 0x00, - 0x00, 0x40 }; -static unsigned char i2c_set_VS[2] = { 0x30, 0x6F }; -static unsigned char i2c_set_GP01_CF[2] = { 0x20, 0x0B }; -static unsigned char i2c_tda8290_reset[2] = { 0x00, 0x00 }; -static unsigned char i2c_tda8290_standby[2] = { 0x00, 0x02 }; -static unsigned char i2c_gainset_off[2] = { 0x28, 0x14 }; -static unsigned char i2c_gainset_on[2] = { 0x28, 0x54 }; -static unsigned char i2c_agc3_00[2] = { 0x80, 0x00 }; -static unsigned char i2c_agc2_BF[2] = { 0x60, 0xBF }; -static unsigned char i2c_cb1_D0[2] = { 0x30, 0xD0 }; -static unsigned char i2c_cb1_D2[2] = { 0x30, 0xD2 }; -static unsigned char i2c_cb1_56[2] = { 0x30, 0x56 }; -static unsigned char i2c_cb1_52[2] = { 0x30, 0x52 }; -static unsigned char i2c_cb1_50[2] = { 0x30, 0x50 }; -static unsigned char i2c_agc2_7F[2] = { 0x60, 0x7F }; -static unsigned char i2c_agc3_08[2] = { 0x80, 0x08 }; - -/* FIXME: European PAL/SECAM should select 9MHz Lowpass Filter, while - NTSC/M and PAL/M should be using 7MHz filter, by selecting CB3 */ -static unsigned char i2c_cb3_9MHz[2] = { 0xc0, 0x39 }; -static unsigned char i2c_cb3_7MHz[2] = { 0xc0, 0x3B }; - -static struct i2c_msg i2c_msg_init[] = { - { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_init_tda8275), i2c_init_tda8275 }, - { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_disable_bridge), i2c_disable_bridge }, - { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_set_VS), i2c_set_VS }, - { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_set_GP01_CF), i2c_set_GP01_CF }, +struct tda827xa_data { + u32 lomax; + u8 svco; + u8 spd; + u8 scr; + u8 sbs; + u8 gc3; }; -static struct i2c_msg i2c_msg_prolog[] = { -// { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_easy_mode), i2c_easy_mode }, - { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_gainset_off), i2c_gainset_off }, - { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_tda8290_reset), i2c_tda8290_reset }, - { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_enable_bridge), i2c_enable_bridge }, +static struct tda827xa_data tda827xa_analog[] = { + { .lomax = 910, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3}, /* 56.875 MHz */ + { .lomax = 1076, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 67.25 MHz */ + { .lomax = 1300, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 81.25 MHz */ + { .lomax = 1560, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 97.5 MHz */ + { .lomax = 1820, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, /* 113.75 MHz */ + { .lomax = 2152, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 134.5 MHz */ + { .lomax = 2464, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 154 MHz */ + { .lomax = 2600, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 162.5 MHz */ + { .lomax = 2928, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 183 MHz */ + { .lomax = 3120, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, /* 195 MHz */ + { .lomax = 3640, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3}, /* 227.5 MHz */ + { .lomax = 4304, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3}, /* 269 MHz */ + { .lomax = 5200, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, /* 325 MHz */ + { .lomax = 6240, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 390 MHz */ + { .lomax = 7280, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 455 MHz */ + { .lomax = 8320, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 520 MHz */ + { .lomax = 8608, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, /* 538 MHz */ + { .lomax = 8864, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 554 MHz */ + { .lomax = 9920, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 620 MHz */ + { .lomax = 10400, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 650 MHz */ + { .lomax = 11200, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 700 MHz */ + { .lomax = 12480, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 780 MHz */ + { .lomax = 13120, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 820 MHz */ + { .lomax = 13920, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 870 MHz */ + { .lomax = 14576, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, /* 911 MHz */ + { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} /* End */ }; -static struct i2c_msg i2c_msg_config[] = { -// { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_set_freq), i2c_set_freq }, - { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc3_00), i2c_agc3_00 }, - { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc2_BF), i2c_agc2_BF }, - { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_D2), i2c_cb1_D2 }, - { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_56), i2c_cb1_56 }, - { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_52), i2c_cb1_52 }, -}; +static void tda827xa_tune(struct i2c_client *c, u16 ifc, unsigned int freq) +{ + unsigned char tuner_reg[14]; + unsigned char reg2[2]; + u32 N; + int i; + struct tuner *t = i2c_get_clientdata(c); + struct i2c_msg msg = {.addr = t->tda827x_addr, .flags = 0}; -static struct i2c_msg i2c_msg_epilog[] = { - { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_50), i2c_cb1_50 }, - { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc2_7F), i2c_agc2_7F }, - { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc3_08), i2c_agc3_08 }, - { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_disable_bridge), i2c_disable_bridge }, - { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_gainset_on), i2c_gainset_on }, -}; + if (t->mode == V4L2_TUNER_RADIO) + freq = freq / 1000; -static struct i2c_msg i2c_msg_standby[] = { - { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_enable_bridge), i2c_enable_bridge }, - { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_D0), i2c_cb1_D0 }, - { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_disable_bridge), i2c_disable_bridge }, - { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_tda8290_standby), i2c_tda8290_standby }, -}; + N = freq + ifc; + i = 0; + while (tda827xa_analog[i].lomax < N) { + 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] = 0x0c; + tuner_reg[8] = 4; + tuner_reg[9] = 0x20; + tuner_reg[10] = 0xff; + tuner_reg[11] = 0xe0; + tuner_reg[12] = 0; + tuner_reg[13] = 0x39 + (t->tda827x_lpsel << 1); + + msg.buf = tuner_reg; + msg.len = 14; + i2c_transfer(c->adapter, &msg, 1); + + msg.buf= reg2; + msg.len = 2; + reg2[0] = 0x60; + reg2[1] = 0x3c; + i2c_transfer(c->adapter, &msg, 1); + + reg2[0] = 0xa0; + reg2[1] = 0xc0; + i2c_transfer(c->adapter, &msg, 1); + + msleep(2); + reg2[0] = 0x30; + reg2[1] = 0x10 + tda827xa_analog[i].scr; + i2c_transfer(c->adapter, &msg, 1); + + msleep(550); + reg2[0] = 0x50; + reg2[1] = 0x8f + (tda827xa_analog[i].gc3 << 4); + i2c_transfer(c->adapter, &msg, 1); + + reg2[0] = 0x80; + reg2[1] = 0x28; + i2c_transfer(c->adapter, &msg, 1); + + reg2[0] = 0xb0; + reg2[1] = 0x01; + i2c_transfer(c->adapter, &msg, 1); -static int tda8290_tune(struct i2c_client *c) + reg2[0] = 0xc0; + reg2[1] = 0x19 + (t->tda827x_lpsel << 1); + i2c_transfer(c->adapter, &msg, 1); +} + +static void tda827xa_agcf(struct i2c_client *c) { struct tuner *t = i2c_get_clientdata(c); - struct i2c_msg easy_mode = - { I2C_ADDR_TDA8290, 0, 2, t->i2c_easy_mode }; - struct i2c_msg set_freq = - { I2C_ADDR_TDA8275, 0, 8, t->i2c_set_freq }; - - i2c_transfer(c->adapter, &easy_mode, 1); - i2c_transfer(c->adapter, i2c_msg_prolog, ARRAY_SIZE(i2c_msg_prolog)); + unsigned char data[] = {0x80, 0x2c}; + struct i2c_msg msg = {.addr = t->tda827x_addr, .buf = data, + .flags = 0, .len = 2}; + i2c_transfer(c->adapter, &msg, 1); +} - i2c_transfer(c->adapter, &set_freq, 1); - i2c_transfer(c->adapter, i2c_msg_config, ARRAY_SIZE(i2c_msg_config)); +/*---------------------------------------------------------------------*/ - msleep(550); - i2c_transfer(c->adapter, i2c_msg_epilog, ARRAY_SIZE(i2c_msg_epilog)); - return 0; +static void tda8290_i2c_bridge(struct i2c_client *c, int close) +{ + unsigned char enable[2] = { 0x21, 0xC0 }; + unsigned char disable[2] = { 0x21, 0x80 }; + unsigned char *msg; + if(close) { + msg = enable; + i2c_master_send(c, msg, 2); + /* let the bridge stabilize */ + msleep(20); + } else { + msg = disable; + i2c_master_send(c, msg, 2); + } } -static void set_frequency(struct tuner *t, u16 ifc, unsigned int freq) +/*---------------------------------------------------------------------*/ + +static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq) { - u32 N; + struct tuner *t = i2c_get_clientdata(c); + unsigned char soft_reset[] = { 0x00, 0x00 }; + unsigned char easy_mode[] = { 0x01, t->tda8290_easy_mode }; + unsigned char expert_mode[] = { 0x01, 0x80 }; + unsigned char gainset_off[] = { 0x28, 0x14 }; + unsigned char if_agc_spd[] = { 0x0f, 0x88 }; + unsigned char adc_head_6[] = { 0x05, 0x04 }; + unsigned char adc_head_9[] = { 0x05, 0x02 }; + unsigned char adc_head_12[] = { 0x05, 0x01 }; + unsigned char pll_bw_nom[] = { 0x0d, 0x47 }; + unsigned char pll_bw_low[] = { 0x0d, 0x27 }; + unsigned char gainset_2[] = { 0x28, 0x64 }; + unsigned char agc_rst_on[] = { 0x0e, 0x0b }; + unsigned char agc_rst_off[] = { 0x0e, 0x09 }; + unsigned char if_agc_set[] = { 0x0f, 0x81 }; + unsigned char addr_adc_sat = 0x1a; + unsigned char addr_agc_stat = 0x1d; + unsigned char addr_pll_stat = 0x1b; + unsigned char adc_sat, agc_stat, + pll_stat; + + i2c_master_send(c, easy_mode, 2); + i2c_master_send(c, soft_reset, 2); + msleep(1); + + i2c_master_send(c, expert_mode, 2); + i2c_master_send(c, gainset_off, 2); + i2c_master_send(c, if_agc_spd, 2); + if (t->tda8290_easy_mode & 0x60) + i2c_master_send(c, adc_head_9, 2); + else + i2c_master_send(c, adc_head_6, 2); + i2c_master_send(c, pll_bw_nom, 2); + + tda8290_i2c_bridge(c, 1); + if (t->tda827x_ver != 0) + tda827xa_tune(c, ifc, freq); + else + tda827x_tune(c, ifc, freq); + /* adjust headroom resp. gain */ + i2c_master_send(c, &addr_adc_sat, 1); + i2c_master_recv(c, &adc_sat, 1); + i2c_master_send(c, &addr_agc_stat, 1); + i2c_master_recv(c, &agc_stat, 1); + i2c_master_send(c, &addr_pll_stat, 1); + i2c_master_recv(c, &pll_stat, 1); + if (pll_stat & 0x80) + tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat); + else + tuner_dbg("tda8290 not locked, no signal?\n"); + if ((agc_stat > 115) || (!(pll_stat & 0x80) && (adc_sat <20))) { + tuner_dbg("adjust gain, step 1. Agc: %d\n", agc_stat); + i2c_master_send(c, gainset_2, 2); + msleep(100); + i2c_master_send(c, &addr_agc_stat, 1); + i2c_master_recv(c, &agc_stat, 1); + i2c_master_send(c, &addr_pll_stat, 1); + i2c_master_recv(c, &pll_stat, 1); + if ((agc_stat > 115) || !(pll_stat & 0x80)) { + tuner_dbg("adjust gain, step 2. Agc: %d\n", agc_stat); + if (t->tda827x_ver != 0) + tda827xa_agcf(c); + else + tda827x_agcf(c); + msleep(100); + i2c_master_send(c, &addr_agc_stat, 1); + i2c_master_recv(c, &agc_stat, 1); + i2c_master_send(c, &addr_pll_stat, 1); + i2c_master_recv(c, &pll_stat, 1); + if((agc_stat > 115) || !(pll_stat & 0x80)) { + tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat); + i2c_master_send(c, adc_head_12, 2); + i2c_master_send(c, pll_bw_low, 2); + msleep(100); + } + } + } - if (t->mode == V4L2_TUNER_RADIO) - freq = freq / 1000; + /* l/ l' deadlock? */ + if(t->tda8290_easy_mode & 0x60) { + i2c_master_send(c, &addr_adc_sat, 1); + i2c_master_recv(c, &adc_sat, 1); + i2c_master_send(c, &addr_pll_stat, 1); + i2c_master_recv(c, &pll_stat, 1); + if ((adc_sat > 20) || !(pll_stat & 0x80)) { + i2c_master_send(c, agc_rst_on, 2); + msleep(40); + i2c_master_send(c, agc_rst_off, 2); + } + } - N = (((freq<<3)+ifc)&0x3fffc); - - N = N >> get_freq_entry(div_table, freq); - t->i2c_set_freq[0] = 0; - t->i2c_set_freq[1] = (unsigned char)(N>>8); - t->i2c_set_freq[2] = (unsigned char) N; - t->i2c_set_freq[3] = 0x40; - t->i2c_set_freq[4] = 0x52; - t->i2c_set_freq[5] = get_freq_entry(band_table, freq); - t->i2c_set_freq[6] = get_freq_entry(agc_table, freq); - t->i2c_set_freq[7] = 0x8f; + tda8290_i2c_bridge(c, 0); + i2c_master_send(c, if_agc_set, 2); + return 0; } + +/*---------------------------------------------------------------------*/ + #define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC) #define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B) #define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H) @@ -179,26 +404,27 @@ static void set_frequency(struct tuner *t, u16 ifc, unsigned int freq) static void set_audio(struct tuner *t) { - t->i2c_easy_mode[0] = 0x01; + t->tda827x_lpsel = 0; if (t->std & V4L2_STD_MN) { - t->sgIF = 736; - t->i2c_easy_mode[1] = 0x01; + t->sgIF = 92; + t->tda8290_easy_mode = 0x01; + t->tda827x_lpsel = 1; } else if (t->std & V4L2_STD_B) { - t->sgIF = 864; - t->i2c_easy_mode[1] = 0x02; + t->sgIF = 108; + t->tda8290_easy_mode = 0x02; } else if (t->std & V4L2_STD_GH) { - t->sgIF = 992; - t->i2c_easy_mode[1] = 0x04; + t->sgIF = 124; + t->tda8290_easy_mode = 0x04; } else if (t->std & V4L2_STD_PAL_I) { - t->sgIF = 992; - t->i2c_easy_mode[1] = 0x08; + t->sgIF = 124; + t->tda8290_easy_mode = 0x08; } else if (t->std & V4L2_STD_DK) { - t->sgIF = 992; - t->i2c_easy_mode[1] = 0x10; + t->sgIF = 124; + t->tda8290_easy_mode = 0x10; } else if (t->std & V4L2_STD_SECAM_L) { - t->sgIF = 992; - t->i2c_easy_mode[1] = 0x20; + t->sgIF = 124; + t->tda8290_easy_mode = 0x20; } } @@ -207,15 +433,13 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq) struct tuner *t = i2c_get_clientdata(c); set_audio(t); - set_frequency(t, t->sgIF, freq); - tda8290_tune(c); + tda8290_tune(c, t->sgIF, freq); } static void set_radio_freq(struct i2c_client *c, unsigned int freq) { - struct tuner *t = i2c_get_clientdata(c); - set_frequency(t, 704, freq); - tda8290_tune(c); + /* if frequency is 5.5 MHz */ + tda8290_tune(c, 88, freq); } static int has_signal(struct i2c_client *c) @@ -228,24 +452,118 @@ static int has_signal(struct i2c_client *c) return (afc & 0x80)? 65535:0; } +/*---------------------------------------------------------------------*/ + static void standby(struct i2c_client *c) { - i2c_transfer(c->adapter, i2c_msg_standby, ARRAY_SIZE(i2c_msg_standby)); + struct tuner *t = i2c_get_clientdata(c); + unsigned char cb1[] = { 0x30, 0xD0 }; + unsigned char tda8290_standby[] = { 0x00, 0x02 }; + struct i2c_msg msg = {.addr = t->tda827x_addr, .flags=0, .buf=cb1, .len = 2}; + + tda8290_i2c_bridge(c, 1); + if (t->tda827x_ver != 0) + cb1[1] = 0x90; + i2c_transfer(c->adapter, &msg, 1); + tda8290_i2c_bridge(c, 0); + i2c_master_send(c, tda8290_standby, 2); } -int tda8290_init(struct i2c_client *c) + +static void tda8290_init_if(struct i2c_client *c) +{ + unsigned char set_VS[] = { 0x30, 0x6F }; + unsigned char set_GP01_CF[] = { 0x20, 0x0B }; + + i2c_master_send(c, set_VS, 2); + i2c_master_send(c, set_GP01_CF, 2); +} + +static void tda8290_init_tuner(struct i2c_client *c) { struct tuner *t = i2c_get_clientdata(c); + unsigned char tda8275_init[] = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf, + 0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 }; + unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b, + 0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b }; + struct i2c_msg msg = {.addr = t->tda827x_addr, .flags=0, + .buf=tda8275_init, .len = 14}; + if (t->tda827x_ver != 0) + msg.buf = tda8275a_init; + + tda8290_i2c_bridge(c, 1); + i2c_transfer(c->adapter, &msg, 1); + tda8290_i2c_bridge(c, 0); +} + +/*---------------------------------------------------------------------*/ - strlcpy(c->name, "tda8290+75", sizeof(c->name)); +int tda8290_init(struct i2c_client *c) +{ + struct tuner *t = i2c_get_clientdata(c); + u8 data; + int i, ret, tuners_found; + u32 tuner_addrs; + struct i2c_msg msg = {.flags=I2C_M_RD, .buf=&data, .len = 1}; + + tda8290_i2c_bridge(c, 1); + /* probe for tuner chip */ + tuners_found = 0; + tuner_addrs = 0; + for (i=0x60; i<= 0x63; i++) { + msg.addr = i; + ret = i2c_transfer(c->adapter, &msg, 1); + if (ret == 1) { + tuners_found++; + tuner_addrs = (tuner_addrs << 8) + i; + } + } + /* if there is more than one tuner, we expect the right one is + behind the bridge and we choose the highest address that doesn't + give a response now + */ + tda8290_i2c_bridge(c, 0); + if(tuners_found > 1) + for (i = 0; i < tuners_found; i++) { + msg.addr = tuner_addrs & 0xff; + ret = i2c_transfer(c->adapter, &msg, 1); + if(ret == 1) + tuner_addrs = tuner_addrs >> 8; + else + break; + } + if (tuner_addrs == 0) { + tuner_addrs = 0x61; + tuner_info ("could not clearly identify tuner address, defaulting to %x\n", + tuner_addrs); + } else { + tuner_addrs = tuner_addrs & 0xff; + tuner_info ("setting tuner address to %x\n", tuner_addrs); + } + t->tda827x_addr = tuner_addrs; + msg.addr = tuner_addrs; + + tda8290_i2c_bridge(c, 1); + ret = i2c_transfer(c->adapter, &msg, 1); + if( ret != 1) + tuner_warn ("TDA827x access failed!\n"); + if ((data & 0x3c) == 0) { + strlcpy(c->name, "tda8290+75", sizeof(c->name)); + t->tda827x_ver = 0; + } else { + strlcpy(c->name, "tda8290+75a", sizeof(c->name)); + t->tda827x_ver = 2; + } tuner_info("tuner: type set to %s\n", c->name); + t->tv_freq = set_tv_freq; t->radio_freq = set_radio_freq; t->has_signal = has_signal; t->standby = standby; + t->tda827x_lpsel = 0; - i2c_master_send(c, i2c_enable_bridge, ARRAY_SIZE(i2c_enable_bridge)); - i2c_transfer(c->adapter, i2c_msg_init, ARRAY_SIZE(i2c_msg_init)); + tda8290_init_tuner(c); + tda8290_init_if(c); return 0; } |