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Commit 53936391 authored by Gavin Hamill's avatar Gavin Hamill Committed by Linus Torvalds
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[PATCH] dvb: ttpci: add support for Hauppauge/TT DVB-C budget



Add support for Hauppauge/TT DVB-C budget.

Signed-off-by: default avatarGavin Hamill <gdh@acentral.co.uk>
Signed-off-by: default avatarJohannes Stezenbach <js@linuxtv.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 80887a59
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+1 −0
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ config DVB_TTUSB_BUDGET
	depends on DVB_CORE && USB
	select DVB_CX22700
	select DVB_TDA1004X
	select DVB_VES1820
	select DVB_TDA8083
	select DVB_STV0299
	help
+49 −1
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@
#include "dmxdev.h"
#include "dvb_demux.h"
#include "dvb_net.h"
#include "ves1820.h"
#include "cx22700.h"
#include "tda1004x.h"
#include "stv0299.h"
@@ -1367,6 +1368,47 @@ static struct tda8083_config ttusb_novas_grundig_29504_491_config = {
	.pll_set = ttusb_novas_grundig_29504_491_pll_set,
};

static int alps_tdbe2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
{
	struct ttusb* ttusb = fe->dvb->priv;
	u32 div;
	u8 data[4];
	struct i2c_msg msg = { .addr = 0x62, .flags = 0, .buf = data, .len = sizeof(data) };

	div = (params->frequency + 35937500 + 31250) / 62500;

	data[0] = (div >> 8) & 0x7f;
	data[1] = div & 0xff;
	data[2] = 0x85 | ((div >> 10) & 0x60);
	data[3] = (params->frequency < 174000000 ? 0x88 : params->frequency < 470000000 ? 0x84 : 0x81);

	if (i2c_transfer (&ttusb->i2c_adap, &msg, 1) != 1)
		return -EIO;

	return 0;
}


static struct ves1820_config alps_tdbe2_config = {
	.demod_address = 0x09,
	.xin = 57840000UL,
	.invert = 1,
	.selagc = VES1820_SELAGC_SIGNAMPERR,
	.pll_set = alps_tdbe2_pll_set,
};

static u8 read_pwm(struct ttusb* ttusb)
{
	u8 b = 0xff;
	u8 pwm;
	struct i2c_msg msg[] = { { .addr = 0x50,.flags = 0,.buf = &b,.len = 1 },
				{ .addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1} };

	if ((i2c_transfer(&ttusb->i2c_adap, msg, 2) != 2) || (pwm == 0xff))
		pwm = 0x48;

	return pwm;
}


static void frontend_init(struct ttusb* ttusb)
@@ -1394,6 +1436,12 @@ static void frontend_init(struct ttusb* ttusb)

		break;

	case 0x1004: // Hauppauge/TT DVB-C budget (ves1820/ALPS TDBE2(sp5659))
		ttusb->fe = ves1820_attach(&alps_tdbe2_config, &ttusb->i2c_adap, read_pwm(ttusb));
		if (ttusb->fe != NULL)
			break;
		break;

	case 0x1005: // Hauppauge/TT Nova-USB-t budget (tda10046/Philips td1316(tda6651tt) OR cx22700/ALPS TDMB7(??))
		// try the ALPS TDMB7 first
		ttusb->fe = cx22700_attach(&alps_tdmb7_config, &ttusb->i2c_adap);
@@ -1570,7 +1618,7 @@ static void ttusb_disconnect(struct usb_interface *intf)

static struct usb_device_id ttusb_table[] = {
	{USB_DEVICE(0xb48, 0x1003)},
/*	{USB_DEVICE(0xb48, 0x1004)},UNDEFINED HARDWARE - mail linuxtv.org list*/	/* to be confirmed ????  */
	{USB_DEVICE(0xb48, 0x1004)},
	{USB_DEVICE(0xb48, 0x1005)},
	{}
};