dibusb-mc-common.c

  1// SPDX-License-Identifier: GPL-2.0-only
  2/* Common methods for dibusb-based-receivers.
  3 *
  4 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
  5 *
  6 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
  7 */
  8
  9#include "dibusb.h"
 10
 11MODULE_DESCRIPTION("Common methods for DIB3000MC");
 12MODULE_LICENSE("GPL");
 13
 14/* 3000MC/P stuff */
 15// Config Adjacent channels  Perf -cal22
 16static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
 17	.band_caps = BAND_VHF | BAND_UHF,
 18	.setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
 19
 20	.agc1_max = 48497,
 21	.agc1_min = 23593,
 22	.agc2_max = 46531,
 23	.agc2_min = 24904,
 24
 25	.agc1_pt1 = 0x65,
 26	.agc1_pt2 = 0x69,
 27
 28	.agc1_slope1 = 0x51,
 29	.agc1_slope2 = 0x27,
 30
 31	.agc2_pt1 = 0,
 32	.agc2_pt2 = 0x33,
 33
 34	.agc2_slope1 = 0x35,
 35	.agc2_slope2 = 0x37,
 36};
 37
 38static struct dib3000mc_config stk3000p_dib3000p_config = {
 39	&dib3000p_mt2060_agc_config,
 40
 41	.max_time     = 0x196,
 42	.ln_adc_level = 0x1cc7,
 43
 44	.output_mpeg2_in_188_bytes = 1,
 45
 46	.agc_command1 = 1,
 47	.agc_command2 = 1,
 48};
 49
 50static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
 51	.band_caps = BAND_VHF | BAND_UHF,
 52	.setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
 53
 54	.agc1_max = 56361,
 55	.agc1_min = 22282,
 56	.agc2_max = 47841,
 57	.agc2_min = 36045,
 58
 59	.agc1_pt1 = 0x3b,
 60	.agc1_pt2 = 0x6b,
 61
 62	.agc1_slope1 = 0x55,
 63	.agc1_slope2 = 0x1d,
 64
 65	.agc2_pt1 = 0,
 66	.agc2_pt2 = 0x0a,
 67
 68	.agc2_slope1 = 0x95,
 69	.agc2_slope2 = 0x1e,
 70};
 71
 72static struct dib3000mc_config mod3000p_dib3000p_config = {
 73	&dib3000p_panasonic_agc_config,
 74
 75	.max_time     = 0x51,
 76	.ln_adc_level = 0x1cc7,
 77
 78	.output_mpeg2_in_188_bytes = 1,
 79
 80	.agc_command1 = 1,
 81	.agc_command2 = 1,
 82};
 83
 84int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
 85{
 86	if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
 87	    le16_to_cpu(adap->dev->udev->descriptor.idProduct) ==
 88			USB_PID_LITEON_DVB_T_WARM) {
 89		msleep(1000);
 90	}
 91
 92	adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
 93					 &adap->dev->i2c_adap,
 94					 DEFAULT_DIB3000P_I2C_ADDRESS,
 95					 &mod3000p_dib3000p_config);
 96	if ((adap->fe_adap[0].fe) == NULL)
 97		adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
 98						 &adap->dev->i2c_adap,
 99						 DEFAULT_DIB3000MC_I2C_ADDRESS,
100						 &mod3000p_dib3000p_config);
101	if ((adap->fe_adap[0].fe) != NULL) {
102		if (adap->priv != NULL) {
103			struct dibusb_state *st = adap->priv;
104			st->ops.pid_parse = dib3000mc_pid_parse;
105			st->ops.pid_ctrl  = dib3000mc_pid_control;
106		}
107		return 0;
108	}
109	return -ENODEV;
110}
111EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
112
113static struct mt2060_config stk3000p_mt2060_config = {
114	0x60
115};
116
117int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
118{
119	struct dibusb_state *st = adap->priv;
120	u8 a,b;
121	u16 if1 = 1220;
122	struct i2c_adapter *tun_i2c;
123
124	// First IF calibration for Liteon Sticks
125	if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
126	    le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_LITEON_DVB_T_WARM) {
127
128		dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
129		dibusb_read_eeprom_byte(adap->dev,0x7F,&b);
130
131		if (a == 0x00)
132			if1 += b;
133		else if (a == 0x80)
134			if1 -= b;
135		else
136			warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);
137
138	} else if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_DIBCOM &&
139		   le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_DIBCOM_MOD3001_WARM) {
140		u8 desc;
141		dibusb_read_eeprom_byte(adap->dev, 7, &desc);
142		if (desc == 2) {
143			a = 127;
144			do {
145				dibusb_read_eeprom_byte(adap->dev, a, &desc);
146				a--;
147			} while (a > 7 && (desc == 0xff || desc == 0x00));
148			if (desc & 0x80)
149				if1 -= (0xff - desc);
150			else
151				if1 += desc;
152		}
153	}
154
155	tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe_adap[0].fe, 1);
156	if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
157		/* not found - use panasonic pll parameters */
158		if (dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
159			return -ENOMEM;
160	} else {
161		st->mt2060_present = 1;
162		/* set the correct parameters for the dib3000p */
163		dib3000mc_set_config(adap->fe_adap[0].fe, &stk3000p_dib3000p_config);
164	}
165	return 0;
166}
167EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);