summaryrefslogtreecommitdiffstats
path: root/drivers/media/platform/sti/c8sectpfe/c8sectpfe-dvb.c
blob: 0560a9cb004be2f3ca14266a2745506e61d8f47a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
// SPDX-License-Identifier: GPL-2.0
/*
 *  c8sectpfe-dvb.c - C8SECTPFE STi DVB driver
 *
 * Copyright (c) STMicroelectronics 2015
 *
 *  Author Peter Griffin <peter.griffin@linaro.org>
 *
 */
#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/version.h>

#include <dt-bindings/media/c8sectpfe.h>

#include "c8sectpfe-common.h"
#include "c8sectpfe-core.h"
#include "c8sectpfe-dvb.h"

#include "dvb-pll.h"
#include "lnbh24.h"
#include "stv0367.h"
#include "stv0367_priv.h"
#include "stv6110x.h"
#include "stv090x.h"
#include "tda18212.h"

static inline const char *dvb_card_str(unsigned int c)
{
	switch (c) {
	case STV0367_TDA18212_NIMA_1:	return "STV0367_TDA18212_NIMA_1";
	case STV0367_TDA18212_NIMA_2:	return "STV0367_TDA18212_NIMA_2";
	case STV0367_TDA18212_NIMB_1:	return "STV0367_TDA18212_NIMB_1";
	case STV0367_TDA18212_NIMB_2:	return "STV0367_TDA18212_NIMB_2";
	case STV0903_6110_LNB24_NIMA:	return "STV0903_6110_LNB24_NIMA";
	case STV0903_6110_LNB24_NIMB:	return "STV0903_6110_LNB24_NIMB";
	default:			return "unknown dvb frontend card";
	}
}

static struct stv090x_config stv090x_config = {
	.device                 = STV0903,
	.demod_mode             = STV090x_SINGLE,
	.clk_mode               = STV090x_CLK_EXT,
	.xtal                   = 16000000,
	.address                = 0x69,

	.ts1_mode               = STV090x_TSMODE_SERIAL_CONTINUOUS,
	.ts2_mode               = STV090x_TSMODE_SERIAL_CONTINUOUS,

	.repeater_level         = STV090x_RPTLEVEL_64,

	.tuner_init             = NULL,
	.tuner_set_mode         = NULL,
	.tuner_set_frequency    = NULL,
	.tuner_get_frequency    = NULL,
	.tuner_set_bandwidth    = NULL,
	.tuner_get_bandwidth    = NULL,
	.tuner_set_bbgain       = NULL,
	.tuner_get_bbgain       = NULL,
	.tuner_set_refclk       = NULL,
	.tuner_get_status       = NULL,
};

static struct stv6110x_config stv6110x_config = {
	.addr                   = 0x60,
	.refclk                 = 16000000,
};

#define NIMA 0
#define NIMB 1

static struct stv0367_config stv0367_tda18212_config[] = {
	{
		.demod_address = 0x1c,
		.xtal = 16000000,
		.if_khz = 4500,
		.if_iq_mode = FE_TER_NORMAL_IF_TUNER,
		.ts_mode = STV0367_SERIAL_PUNCT_CLOCK,
		.clk_pol = STV0367_CLOCKPOLARITY_DEFAULT,
	}, {
		.demod_address = 0x1d,
		.xtal = 16000000,
		.if_khz = 4500,
		.if_iq_mode = FE_TER_NORMAL_IF_TUNER,
		.ts_mode = STV0367_SERIAL_PUNCT_CLOCK,
		.clk_pol = STV0367_CLOCKPOLARITY_DEFAULT,
	}, {
		.demod_address = 0x1e,
		.xtal = 16000000,
		.if_khz = 4500,
		.if_iq_mode = FE_TER_NORMAL_IF_TUNER,
		.ts_mode = STV0367_SERIAL_PUNCT_CLOCK,
		.clk_pol = STV0367_CLOCKPOLARITY_DEFAULT,
	},
};

static struct tda18212_config tda18212_conf = {
	.if_dvbt_6 = 4150,
	.if_dvbt_7 = 4150,
	.if_dvbt_8 = 4500,
	.if_dvbc = 5000,
};

int c8sectpfe_frontend_attach(struct dvb_frontend **fe,
		struct c8sectpfe *c8sectpfe,
		struct channel_info *tsin, int chan_num)
{
	struct tda18212_config *tda18212;
	const struct stv6110x_devctl *fe2;
	struct i2c_client *client;
	struct i2c_board_info tda18212_info = {
		.type = "tda18212",
		.addr = 0x60,
	};

	if (!tsin)
		return -EINVAL;

	switch (tsin->dvb_card) {

	case STV0367_TDA18212_NIMA_1:
	case STV0367_TDA18212_NIMA_2:
	case STV0367_TDA18212_NIMB_1:
	case STV0367_TDA18212_NIMB_2:
		if (tsin->dvb_card == STV0367_TDA18212_NIMA_1)
			*fe = dvb_attach(stv0367ter_attach,
				 &stv0367_tda18212_config[0],
					tsin->i2c_adapter);
		else if (tsin->dvb_card == STV0367_TDA18212_NIMB_1)
			*fe = dvb_attach(stv0367ter_attach,
				 &stv0367_tda18212_config[1],
					tsin->i2c_adapter);
		else
			*fe = dvb_attach(stv0367ter_attach,
				 &stv0367_tda18212_config[2],
					tsin->i2c_adapter);

		if (!*fe) {
			dev_err(c8sectpfe->device,
				"%s: stv0367ter_attach failed for NIM card %s\n"
				, __func__, dvb_card_str(tsin->dvb_card));
			return -ENODEV;
		}

		/*
		 * init the demod so that i2c gate_ctrl
		 * to the tuner works correctly
		 */
		(*fe)->ops.init(*fe);

		/* Allocate the tda18212 structure */
		tda18212 = devm_kzalloc(c8sectpfe->device,
					sizeof(struct tda18212_config),
					GFP_KERNEL);
		if (!tda18212) {
			dev_err(c8sectpfe->device,
				"%s: devm_kzalloc failed\n", __func__);
			return -ENOMEM;
		}

		memcpy(tda18212, &tda18212_conf,
			sizeof(struct tda18212_config));

		tda18212->fe = (*fe);

		tda18212_info.platform_data = tda18212;

		/* attach tuner */
		request_module("tda18212");
		client = i2c_new_client_device(tsin->i2c_adapter,
					       &tda18212_info);
		if (!i2c_client_has_driver(client)) {
			dvb_frontend_detach(*fe);
			return -ENODEV;
		}

		if (!try_module_get(client->dev.driver->owner)) {
			i2c_unregister_device(client);
			dvb_frontend_detach(*fe);
			return -ENODEV;
		}

		tsin->i2c_client = client;

		break;

	case STV0903_6110_LNB24_NIMA:
		*fe = dvb_attach(stv090x_attach,	&stv090x_config,
				tsin->i2c_adapter, STV090x_DEMODULATOR_0);
		if (!*fe) {
			dev_err(c8sectpfe->device, "%s: stv090x_attach failed\n"
				"\tfor NIM card %s\n",
				__func__, dvb_card_str(tsin->dvb_card));
			return -ENODEV;
		}

		fe2 = dvb_attach(stv6110x_attach, *fe,
					&stv6110x_config, tsin->i2c_adapter);
		if (!fe2) {
			dev_err(c8sectpfe->device,
				"%s: stv6110x_attach failed for NIM card %s\n"
				, __func__, dvb_card_str(tsin->dvb_card));
			return -ENODEV;
		}

		stv090x_config.tuner_init = fe2->tuner_init;
		stv090x_config.tuner_set_mode = fe2->tuner_set_mode;
		stv090x_config.tuner_set_frequency = fe2->tuner_set_frequency;
		stv090x_config.tuner_get_frequency = fe2->tuner_get_frequency;
		stv090x_config.tuner_set_bandwidth = fe2->tuner_set_bandwidth;
		stv090x_config.tuner_get_bandwidth = fe2->tuner_get_bandwidth;
		stv090x_config.tuner_set_bbgain = fe2->tuner_set_bbgain;
		stv090x_config.tuner_get_bbgain = fe2->tuner_get_bbgain;
		stv090x_config.tuner_set_refclk = fe2->tuner_set_refclk;
		stv090x_config.tuner_get_status = fe2->tuner_get_status;

		dvb_attach(lnbh24_attach, *fe, tsin->i2c_adapter, 0, 0, 0x9);
		break;

	default:
		dev_err(c8sectpfe->device,
			"%s: DVB frontend card %s not yet supported\n",
			__func__, dvb_card_str(tsin->dvb_card));
		return -ENODEV;
	}

	(*fe)->id = chan_num;

	dev_info(c8sectpfe->device,
			"DVB frontend card %s successfully attached",
			dvb_card_str(tsin->dvb_card));
	return 0;
}