[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 <hartmut.hackmann@t.online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 192 insertions, 0 deletions

diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index aaac12e8adbf..d1d1abc55718 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: