Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 78c6e73f authored by Patrick Boettcher's avatar Patrick Boettcher Committed by Linus Torvalds
Browse files

[PATCH] dvb: usb: digitv-usb fixes 



Some more work on the digitv-usb driver:
o MT352 initialization and PLL-programming
o I2c-transfer fixed.

Signed-off-by: default avatarPatrick Boettcher <pb@linuxtv.org>
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 0589b8e4

drivers/media/dvb/dvb-usb/digitv.c

+24 −45
Original line number Diff line number Diff line 
/* DVB USB compliant linux driver for Nebula Electronics uDigiTV DVB-T USB2.0

 * receiver

 *

 * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de) and

 *                    Allan Third (allan.third@cs.man.ac.uk)

 * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de)

 *

 * partly based on the SDK published by Nebula Electronics (TODO do we want this line ?)

 * partly based on the SDK published by Nebula Electronics

 *

 *	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
@@ -95,41 +94,20 @@ static int digitv_identify_state (struct usb_device *udev, struct 


static int digitv_mt352_demod_init(struct dvb_frontend *fe)

{

	static u8 mt352_clock_config[] = { 0x89, 0x38, 0x2d };

	static u8 mt352_reset[] = { 0x50, 0x80 };

	static u8 mt352_mclk_ratio[] = { 0x8b, 0x00 };



	static u8 mt352_agc_cfg[] = { 0x68, 0xa0 };

	static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0xa0 };

	static u8 mt352_acq_ctl[] = { 0x53, 0x50 };

	static u8 mt352_agc_target[] = { 0x67, 0x20 };



	static u8 mt352_rs_err_per[] = { 0x7c, 0x00, 0x01 };

	static u8 mt352_snr_select[] = { 0x79, 0x00, 0x20 };



	static u8 mt352_input_freq_1[] = { 0x56, 0x31, 0x05 };

	static u8 reset_buf[] = { 0x89, 0x38,  0x8a, 0x2d, 0x50, 0x80 };

	static u8 init_buf[] = { 0x68, 0xa0,  0x8e, 0x40,  0x53, 0x50,

			0x67, 0x20,  0x7d, 0x01,  0x7c, 0x00,  0x7a, 0x00,

			0x79, 0x20,  0x57, 0x05,  0x56, 0x31,  0x88, 0x0f,

			0x75, 0x32 };

	int i;



	static u8 mt352_scan_ctl[] = { 0x88, 0x0f };

	static u8 mt352_capt_range[] = { 0x75, 0x32 };

	for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2)

		mt352_write(fe, &reset_buf[i], 2);



	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));

	mt352_write(fe, mt352_reset, sizeof(mt352_reset));

	msleep(1);

	mt352_write(fe, mt352_mclk_ratio, sizeof(mt352_mclk_ratio));



	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));

	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));

	mt352_write(fe, mt352_acq_ctl, sizeof(mt352_acq_ctl));

	mt352_write(fe, mt352_agc_target, sizeof(mt352_agc_target));





	mt352_write(fe, mt352_rs_err_per, sizeof(mt352_rs_err_per));

	mt352_write(fe, mt352_snr_select, sizeof(mt352_snr_select));



	mt352_write(fe, mt352_input_freq_1, sizeof(mt352_input_freq_1));



	mt352_write(fe, mt352_scan_ctl, sizeof(mt352_scan_ctl));

	mt352_write(fe, mt352_capt_range, sizeof(mt352_capt_range));

	for (i = 0; i < ARRAY_SIZE(init_buf); i += 2)

		mt352_write(fe, &init_buf[i], 2);



	return 0;

}
@@ -137,7 +115,7 @@ static int digitv_mt352_demod_init(struct dvb_frontend *fe) 
static struct mt352_config digitv_mt352_config = {

	.demod_address = 0x0, /* ignored by the digitv anyway */

	.demod_init = digitv_mt352_demod_init,

	.pll_set = NULL, /* TODO */

	.pll_set = dvb_usb_pll_set,

};



static struct nxt6000_config digitv_nxt6000_config = {
@@ -150,9 +128,9 @@ static struct nxt6000_config digitv_nxt6000_config = { 


static int digitv_frontend_attach(struct dvb_usb_device *d)

{

	if ((d->fe = mt352_attach(&digitv_mt352_config, &d->i2c_adap)) == NULL)

	if ((d->fe = mt352_attach(&digitv_mt352_config, &d->i2c_adap)) != NULL)

		return 0;

	if ((d->fe = nxt6000_attach(&digitv_nxt6000_config, &d->i2c_adap)) == NULL) {

	if ((d->fe = nxt6000_attach(&digitv_nxt6000_config, &d->i2c_adap)) != NULL) {



		warn("nxt6000 support is not done yet, in fact you are one of the first "

				"person who wants to use this device in Linux. Please report to "
@@ -163,6 +141,13 @@ static int digitv_frontend_attach(struct dvb_usb_device *d) 
	return -EIO;

}



static int digitv_tuner_attach(struct dvb_usb_device *d)

{

	d->pll_addr = 0x60;

	d->pll_desc = &dvb_pll_tded4;

	return 0;

}



static struct dvb_usb_rc_key digitv_rc_keys[] = {

	{ 0x00, 0x16, KEY_POWER }, /* dummy key */

};
@@ -184,7 +169,6 @@ int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state) 
	return 0;

}





/* DVB USB Driver stuff */

static struct dvb_usb_properties digitv_properties;
@@ -208,13 +192,8 @@ static struct dvb_usb_properties digitv_properties = { 


	.size_of_priv     = 0,



	.streaming_ctrl   = NULL,

	.pid_filter       = NULL,

	.pid_filter_ctrl  = NULL,

	.power_ctrl       = NULL,

	.frontend_attach  = digitv_frontend_attach,

	.tuner_attach     = NULL, // digitv_tuner_attach,

	.read_mac_address = NULL,

	.tuner_attach     = digitv_tuner_attach,



	.rc_interval      = 1000,

	.rc_key_map       = digitv_rc_keys,
@@ -238,7 +217,7 @@ static struct dvb_usb_properties digitv_properties = { 
		}

	},



	.num_device_descs = 2,

	.num_device_descs = 1,

	.devices = {

		{   "Nebula Electronics uDigiTV DVB-T USB2.0)",

			{ &digitv_table[0], NULL },