summaryrefslogtreecommitdiff
path: root/hardware/src/r820/include/tuner_e4k.h
blob: 79591cea29a44a7ae95ccedf6aef2a4413bcb3f1 (plain) (blame)
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
#ifndef _E4K_TUNER_H
#define _E4K_TUNER_H

/*
 * Elonics E4000 tuner driver
 *
 * (C) 2011-2012 by Harald Welte <laforge@gnumonks.org>
 * (C) 2012 by Sylvain Munaut <tnt@246tNt.com>
 * (C) 2012 by Hoernchen <la@tfc-server.de>
 *
 * All Rights Reserved
 *
 * 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 Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#define E4K_I2C_ADDR	0xc8
#define E4K_CHECK_ADDR	0x02
#define E4K_CHECK_VAL	0x40

enum e4k_reg {
	E4K_REG_MASTER1		= 0x00,
	E4K_REG_MASTER2		= 0x01,
	E4K_REG_MASTER3		= 0x02,
	E4K_REG_MASTER4		= 0x03,
	E4K_REG_MASTER5		= 0x04,
	E4K_REG_CLK_INP		= 0x05,
	E4K_REG_REF_CLK		= 0x06,
	E4K_REG_SYNTH1		= 0x07,
	E4K_REG_SYNTH2		= 0x08,
	E4K_REG_SYNTH3		= 0x09,
	E4K_REG_SYNTH4		= 0x0a,
	E4K_REG_SYNTH5		= 0x0b,
	E4K_REG_SYNTH6		= 0x0c,
	E4K_REG_SYNTH7		= 0x0d,
	E4K_REG_SYNTH8		= 0x0e,
	E4K_REG_SYNTH9		= 0x0f,
	E4K_REG_FILT1		= 0x10,
	E4K_REG_FILT2		= 0x11,
	E4K_REG_FILT3		= 0x12,
	// gap
	E4K_REG_GAIN1		= 0x14,
	E4K_REG_GAIN2		= 0x15,
	E4K_REG_GAIN3		= 0x16,
	E4K_REG_GAIN4		= 0x17,
	// gap
	E4K_REG_AGC1		= 0x1a,
	E4K_REG_AGC2		= 0x1b,
	E4K_REG_AGC3		= 0x1c,
	E4K_REG_AGC4		= 0x1d,
	E4K_REG_AGC5		= 0x1e,
	E4K_REG_AGC6		= 0x1f,
	E4K_REG_AGC7		= 0x20,
	E4K_REG_AGC8		= 0x21,
	// gap
	E4K_REG_AGC11		= 0x24,
	E4K_REG_AGC12		= 0x25,
	// gap
	E4K_REG_DC1		= 0x29,
	E4K_REG_DC2		= 0x2a,
	E4K_REG_DC3		= 0x2b,
	E4K_REG_DC4		= 0x2c,
	E4K_REG_DC5		= 0x2d,
	E4K_REG_DC6		= 0x2e,
	E4K_REG_DC7		= 0x2f,
	E4K_REG_DC8		= 0x30,
	// gap
	E4K_REG_QLUT0		= 0x50,
	E4K_REG_QLUT1		= 0x51,
	E4K_REG_QLUT2		= 0x52,
	E4K_REG_QLUT3		= 0x53,
	// gap
	E4K_REG_ILUT0		= 0x60,
	E4K_REG_ILUT1		= 0x61,
	E4K_REG_ILUT2		= 0x62,
	E4K_REG_ILUT3		= 0x63,
	// gap
	E4K_REG_DCTIME1		= 0x70,
	E4K_REG_DCTIME2		= 0x71,
	E4K_REG_DCTIME3		= 0x72,
	E4K_REG_DCTIME4		= 0x73,
	E4K_REG_PWM1		= 0x74,
	E4K_REG_PWM2		= 0x75,
	E4K_REG_PWM3		= 0x76,
	E4K_REG_PWM4		= 0x77,
	E4K_REG_BIAS		= 0x78,
	E4K_REG_CLKOUT_PWDN	= 0x7a,
	E4K_REG_CHFILT_CALIB	= 0x7b,
	E4K_REG_I2C_REG_ADDR	= 0x7d,
	// FIXME
};

#define E4K_MASTER1_RESET	(1 << 0)
#define E4K_MASTER1_NORM_STBY	(1 << 1)
#define E4K_MASTER1_POR_DET	(1 << 2)

#define E4K_SYNTH1_PLL_LOCK	(1 << 0)
#define E4K_SYNTH1_BAND_SHIF	1

#define E4K_SYNTH7_3PHASE_EN	(1 << 3)

#define E4K_SYNTH8_VCOCAL_UPD	(1 << 2)

#define E4K_FILT3_DISABLE	(1 << 5)

#define E4K_AGC1_LIN_MODE	(1 << 4)
#define E4K_AGC1_LNA_UPDATE	(1 << 5)
#define E4K_AGC1_LNA_G_LOW	(1 << 6)
#define E4K_AGC1_LNA_G_HIGH	(1 << 7)

#define E4K_AGC6_LNA_CAL_REQ	(1 << 4)

#define E4K_AGC7_MIX_GAIN_AUTO	(1 << 0)
#define E4K_AGC7_GAIN_STEP_5dB	(1 << 5)

#define E4K_AGC8_SENS_LIN_AUTO	(1 << 0)

#define E4K_AGC11_LNA_GAIN_ENH	(1 << 0)

#define E4K_DC1_CAL_REQ		(1 << 0)

#define E4K_DC5_I_LUT_EN	(1 << 0)
#define E4K_DC5_Q_LUT_EN	(1 << 1)
#define E4K_DC5_RANGE_DET_EN	(1 << 2)
#define E4K_DC5_RANGE_EN	(1 << 3)
#define E4K_DC5_TIMEVAR_EN	(1 << 4)

#define E4K_CLKOUT_DISABLE	0x96

#define E4K_CHFCALIB_CMD	(1 << 0)

#define E4K_AGC1_MOD_MASK	0xF

enum e4k_agc_mode {
	E4K_AGC_MOD_SERIAL		= 0x0,
	E4K_AGC_MOD_IF_PWM_LNA_SERIAL	= 0x1,
	E4K_AGC_MOD_IF_PWM_LNA_AUTONL	= 0x2,
	E4K_AGC_MOD_IF_PWM_LNA_SUPERV	= 0x3,
	E4K_AGC_MOD_IF_SERIAL_LNA_PWM	= 0x4,
	E4K_AGC_MOD_IF_PWM_LNA_PWM	= 0x5,
	E4K_AGC_MOD_IF_DIG_LNA_SERIAL	= 0x6,
	E4K_AGC_MOD_IF_DIG_LNA_AUTON	= 0x7,
	E4K_AGC_MOD_IF_DIG_LNA_SUPERV	= 0x8,
	E4K_AGC_MOD_IF_SERIAL_LNA_AUTON	= 0x9,
	E4K_AGC_MOD_IF_SERIAL_LNA_SUPERV = 0xa,
};

enum e4k_band {
	E4K_BAND_VHF2	= 0,
	E4K_BAND_VHF3	= 1,
	E4K_BAND_UHF	= 2,
	E4K_BAND_L	= 3,
};

enum e4k_mixer_filter_bw {
	E4K_F_MIX_BW_27M	= 0,
	E4K_F_MIX_BW_4M6	= 8,
	E4K_F_MIX_BW_4M2	= 9,
	E4K_F_MIX_BW_3M8	= 10,
	E4K_F_MIX_BW_3M4	= 11,
	E4K_F_MIX_BW_3M		= 12,
	E4K_F_MIX_BW_2M7	= 13,
	E4K_F_MIX_BW_2M3	= 14,
	E4K_F_MIX_BW_1M9	= 15,
};

enum e4k_if_filter {
	E4K_IF_FILTER_MIX,
	E4K_IF_FILTER_CHAN,
	E4K_IF_FILTER_RC
};
struct e4k_pll_params {
	uint32_t fosc;
	uint32_t intended_flo;
	uint32_t flo;
	uint16_t x;
	uint8_t z;
	uint8_t r;
	uint8_t r_idx;
	uint8_t threephase;
};

struct e4k_state {
	void *i2c_dev;
	uint8_t i2c_addr;
	enum e4k_band band;
	struct e4k_pll_params vco;
	void *rtl_dev;
};

int e4k_init(struct e4k_state *e4k);
int e4k_standby(struct e4k_state *e4k, int enable);
int e4k_if_gain_set(struct e4k_state *e4k, uint8_t stage, int8_t value);
int e4k_mixer_gain_set(struct e4k_state *e4k, int8_t value);
int e4k_commonmode_set(struct e4k_state *e4k, int8_t value);
int e4k_tune_freq(struct e4k_state *e4k, uint32_t freq);
int e4k_tune_params(struct e4k_state *e4k, struct e4k_pll_params *p);
uint32_t e4k_compute_pll_params(struct e4k_pll_params *oscp, uint32_t fosc, uint32_t intended_flo);
int e4k_if_filter_bw_get(struct e4k_state *e4k, enum e4k_if_filter filter);
int e4k_if_filter_bw_set(struct e4k_state *e4k, enum e4k_if_filter filter,
		         uint32_t bandwidth);
int e4k_if_filter_chan_enable(struct e4k_state *e4k, int on);
int e4k_rf_filter_set(struct e4k_state *e4k);

int e4k_manual_dc_offset(struct e4k_state *e4k, int8_t iofs, int8_t irange, int8_t qofs, int8_t qrange);
int e4k_dc_offset_calibrate(struct e4k_state *e4k);
int e4k_dc_offset_gen_table(struct e4k_state *e4k);

int e4k_set_lna_gain(struct e4k_state *e4k, int32_t gain);
int e4k_enable_manual_gain(struct e4k_state *e4k, uint8_t manual);
int e4k_set_enh_gain(struct e4k_state *e4k, int32_t gain);
#endif /* _E4K_TUNER_H */