From 90e9df7f186876584b938e01fcf7f40a50c950b9 Mon Sep 17 00:00:00 2001 From: Hartmut Hackmann Date: Tue, 8 Nov 2005 21:38:42 -0800 Subject: [PATCH] V4L: 904: added dvb support for tda8275a philips tiger reference design Added dvb support for tda8275a (Philips Tiger reference design) Signed-off-by: Hartmut Hackmann Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/video/saa7134/saa7134-dvb.c | 192 ++++++++++++++++++++++++++++++ 1 file changed, 192 insertions(+) (limited to 'drivers/media/video/saa7134/saa7134-dvb.c') diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index aaac12e8adb..d1d1abc5571 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -626,8 +626,196 @@ static struct tda1004x_config tda827x_lifeview_config = { .pll_sleep = philips_tda827x_pll_sleep, .request_firmware = NULL, }; + +/* ------------------------------------------------------------------ */ + +struct tda827xa_data { + u32 lomax; + u8 svco; + u8 spd; + u8 scr; + u8 sbs; + u8 gc3; +}; + +static 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 int philips_tda827xa_pll_set(u8 addr, struct dvb_frontend *fe, struct dvb_frontend_parameters *params) +{ + struct saa7134_dev *dev = fe->dvb->priv; + u8 tuner_buf[14]; + unsigned char reg2[2]; + + struct i2c_msg msg = {.addr = addr,.flags = 0,.buf = tuner_buf}; + int i, tuner_freq, if_freq; + u32 N; + + 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; + tuner_buf[0] = 0; // subaddress + tuner_buf[1] = N >> 8; + tuner_buf[2] = N & 0xff; + tuner_buf[3] = 0; + tuner_buf[4] = 0x16; + tuner_buf[5] = (tda827xa_dvbt[i].spd << 5) + (tda827xa_dvbt[i].svco << 3) + + tda827xa_dvbt[i].sbs; + tuner_buf[6] = 0x4b + (tda827xa_dvbt[i].gc3 << 4); + tuner_buf[7] = 0x0c; + tuner_buf[8] = 0x06; + tuner_buf[9] = 0x24; + tuner_buf[10] = 0xff; + tuner_buf[11] = 0x60; + tuner_buf[12] = 0x00; + tuner_buf[13] = 0x39; // lpsel + msg.len = 14; + if (i2c_transfer(&dev->i2c_adap, &msg, 1) != 1) + return -EIO; + + msg.buf= reg2; + msg.len = 2; + reg2[0] = 0x60; + reg2[1] = 0x3c; + i2c_transfer(&dev->i2c_adap, &msg, 1); + + reg2[0] = 0xa0; + reg2[1] = 0x40; + i2c_transfer(&dev->i2c_adap, &msg, 1); + + msleep(2); + /* correct CP value */ + reg2[0] = 0x30; + reg2[1] = 0x10 + tda827xa_dvbt[i].scr; + msg.len = 2; + i2c_transfer(&dev->i2c_adap, &msg, 1); + + msleep(550); + reg2[0] = 0x50; + reg2[1] = 0x4f + (tda827xa_dvbt[i].gc3 << 4); + i2c_transfer(&dev->i2c_adap, &msg, 1); + + return 0; + +} + +static void philips_tda827xa_pll_sleep(u8 addr, struct dvb_frontend *fe) +{ + struct saa7134_dev *dev = fe->dvb->priv; + static u8 tda827xa_sleep[] = { 0x30, 0x90}; + struct i2c_msg tuner_msg = {.addr = addr,.flags = 0,.buf = tda827xa_sleep, + .len = sizeof(tda827xa_sleep) }; + i2c_transfer(&dev->i2c_adap, &tuner_msg, 1); + +} + +/* ------------------------------------------------------------------ */ + +static int philips_tiger_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) +{ + int ret; + struct saa7134_dev *dev = fe->dvb->priv; + static u8 tda8290_close[] = { 0x21, 0xc0}; + static u8 tda8290_open[] = { 0x21, 0x80}; + struct i2c_msg tda8290_msg = {.addr = 0x4b,.flags = 0, .len = 2}; + /* close tda8290 i2c bridge */ + tda8290_msg.buf = tda8290_close; + ret = i2c_transfer(&dev->i2c_adap, &tda8290_msg, 1); + if (ret != 1) + return -EIO; + msleep(20); + ret = philips_tda827xa_pll_set(0x61, fe, params); + if (ret != 0) + return ret; + /* open tda8290 i2c bridge */ + tda8290_msg.buf = tda8290_open; + i2c_transfer(&dev->i2c_adap, &tda8290_msg, 1); + return ret; +}; + +static int philips_tiger_dvb_mode(struct dvb_frontend *fe) +{ + struct saa7134_dev *dev = fe->dvb->priv; + static u8 data[] = { 0x3c, 0x33, 0x6a}; + struct i2c_msg msg = {.addr=0x08, .flags=0, .buf=data, .len = sizeof(data)}; + + if (i2c_transfer(&dev->i2c_adap, &msg, 1) != 1) + return -EIO; + return 0; +} + +static void philips_tiger_analog_mode(struct dvb_frontend *fe) +{ + struct saa7134_dev *dev = fe->dvb->priv; + static u8 data[] = { 0x3c, 0x33, 0x68}; + struct i2c_msg msg = {.addr=0x08, .flags=0, .buf=data, .len = sizeof(data)}; + + i2c_transfer(&dev->i2c_adap, &msg, 1); + philips_tda827xa_pll_sleep( 0x61, fe); +} + +static struct tda1004x_config philips_tiger_config = { + .demod_address = 0x08, + .invert = 1, + .invert_oclk = 0, + .xtal_freq = TDA10046_XTAL_16M, + .agc_config = TDA10046_AGC_TDA827X, + .if_freq = TDA10046_FREQ_045, + .pll_init = philips_tiger_dvb_mode, + .pll_set = philips_tiger_pll_set, + .pll_sleep = philips_tiger_analog_mode, + .request_firmware = NULL, +}; + #endif +/* ------------------------------------------------------------------ */ + #ifdef HAVE_NXT200X static struct nxt200x_config avertvhda180 = { .demod_address = 0x0a, @@ -688,6 +876,10 @@ static int dvb_init(struct saa7134_dev *dev) dev->dvb.frontend = tda10046_attach(&philips_tu1216_61_config, &dev->i2c_adap); break; + case SAA7134_BOARD_PHILIPS_TIGER: + dev->dvb.frontend = tda10046_attach(&philips_tiger_config, + &dev->i2c_adap); + break; #endif #ifdef HAVE_NXT200X case SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180: -- cgit v1.2.3