summaryrefslogtreecommitdiff
path: root/include/linux/mfd/si476x-platform.h
blob: 18363b773d070960c7db2f2141537c950f8bc5e0 (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
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * include/media/si476x-platform.h -- Platform data specific definitions
 *
 * Copyright (C) 2013 Andrey Smirnov
 *
 * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
 */

#ifndef __SI476X_PLATFORM_H__
#define __SI476X_PLATFORM_H__

/* It is possible to select one of the four adresses using pins A0
 * and A1 on SI476x */
#define SI476X_I2C_ADDR_1	0x60
#define SI476X_I2C_ADDR_2	0x61
#define SI476X_I2C_ADDR_3	0x62
#define SI476X_I2C_ADDR_4	0x63

enum si476x_iqclk_config {
	SI476X_IQCLK_NOOP = 0,
	SI476X_IQCLK_TRISTATE = 1,
	SI476X_IQCLK_IQ = 21,
};
enum si476x_iqfs_config {
	SI476X_IQFS_NOOP = 0,
	SI476X_IQFS_TRISTATE = 1,
	SI476X_IQFS_IQ = 21,
};
enum si476x_iout_config {
	SI476X_IOUT_NOOP = 0,
	SI476X_IOUT_TRISTATE = 1,
	SI476X_IOUT_OUTPUT = 22,
};
enum si476x_qout_config {
	SI476X_QOUT_NOOP = 0,
	SI476X_QOUT_TRISTATE = 1,
	SI476X_QOUT_OUTPUT = 22,
};

enum si476x_dclk_config {
	SI476X_DCLK_NOOP      = 0,
	SI476X_DCLK_TRISTATE  = 1,
	SI476X_DCLK_DAUDIO    = 10,
};

enum si476x_dfs_config {
	SI476X_DFS_NOOP      = 0,
	SI476X_DFS_TRISTATE  = 1,
	SI476X_DFS_DAUDIO    = 10,
};

enum si476x_dout_config {
	SI476X_DOUT_NOOP       = 0,
	SI476X_DOUT_TRISTATE   = 1,
	SI476X_DOUT_I2S_OUTPUT = 12,
	SI476X_DOUT_I2S_INPUT  = 13,
};

enum si476x_xout_config {
	SI476X_XOUT_NOOP        = 0,
	SI476X_XOUT_TRISTATE    = 1,
	SI476X_XOUT_I2S_INPUT   = 13,
	SI476X_XOUT_MODE_SELECT = 23,
};

enum si476x_icin_config {
	SI476X_ICIN_NOOP	= 0,
	SI476X_ICIN_TRISTATE	= 1,
	SI476X_ICIN_GPO1_HIGH	= 2,
	SI476X_ICIN_GPO1_LOW	= 3,
	SI476X_ICIN_IC_LINK	= 30,
};

enum si476x_icip_config {
	SI476X_ICIP_NOOP	= 0,
	SI476X_ICIP_TRISTATE	= 1,
	SI476X_ICIP_GPO2_HIGH	= 2,
	SI476X_ICIP_GPO2_LOW	= 3,
	SI476X_ICIP_IC_LINK	= 30,
};

enum si476x_icon_config {
	SI476X_ICON_NOOP	= 0,
	SI476X_ICON_TRISTATE	= 1,
	SI476X_ICON_I2S		= 10,
	SI476X_ICON_IC_LINK	= 30,
};

enum si476x_icop_config {
	SI476X_ICOP_NOOP	= 0,
	SI476X_ICOP_TRISTATE	= 1,
	SI476X_ICOP_I2S		= 10,
	SI476X_ICOP_IC_LINK	= 30,
};


enum si476x_lrout_config {
	SI476X_LROUT_NOOP	= 0,
	SI476X_LROUT_TRISTATE	= 1,
	SI476X_LROUT_AUDIO	= 2,
	SI476X_LROUT_MPX	= 3,
};


enum si476x_intb_config {
	SI476X_INTB_NOOP     = 0,
	SI476X_INTB_TRISTATE = 1,
	SI476X_INTB_DAUDIO   = 10,
	SI476X_INTB_IRQ      = 40,
};

enum si476x_a1_config {
	SI476X_A1_NOOP     = 0,
	SI476X_A1_TRISTATE = 1,
	SI476X_A1_IRQ      = 40,
};


struct si476x_pinmux {
	enum si476x_dclk_config  dclk;
	enum si476x_dfs_config   dfs;
	enum si476x_dout_config  dout;
	enum si476x_xout_config  xout;

	enum si476x_iqclk_config iqclk;
	enum si476x_iqfs_config  iqfs;
	enum si476x_iout_config  iout;
	enum si476x_qout_config  qout;

	enum si476x_icin_config  icin;
	enum si476x_icip_config  icip;
	enum si476x_icon_config  icon;
	enum si476x_icop_config  icop;

	enum si476x_lrout_config lrout;

	enum si476x_intb_config  intb;
	enum si476x_a1_config    a1;
};

enum si476x_ibias6x {
	SI476X_IBIAS6X_OTHER			= 0,
	SI476X_IBIAS6X_RCVR1_NON_4MHZ_CLK	= 1,
};

enum si476x_xstart {
	SI476X_XSTART_MULTIPLE_TUNER	= 0x11,
	SI476X_XSTART_NORMAL		= 0x77,
};

enum si476x_freq {
	SI476X_FREQ_4_MHZ		= 0,
	SI476X_FREQ_37P209375_MHZ	= 1,
	SI476X_FREQ_36P4_MHZ		= 2,
	SI476X_FREQ_37P8_MHZ		=  3,
};

enum si476x_xmode {
	SI476X_XMODE_CRYSTAL_RCVR1	= 1,
	SI476X_XMODE_EXT_CLOCK		= 2,
	SI476X_XMODE_CRYSTAL_RCVR2_3	= 3,
};

enum si476x_xbiashc {
	SI476X_XBIASHC_SINGLE_RECEIVER = 0,
	SI476X_XBIASHC_MULTIPLE_RECEIVER = 1,
};

enum si476x_xbias {
	SI476X_XBIAS_RCVR2_3	= 0,
	SI476X_XBIAS_4MHZ_RCVR1 = 3,
	SI476X_XBIAS_RCVR1	= 7,
};

enum si476x_func {
	SI476X_FUNC_BOOTLOADER	= 0,
	SI476X_FUNC_FM_RECEIVER = 1,
	SI476X_FUNC_AM_RECEIVER = 2,
	SI476X_FUNC_WB_RECEIVER = 3,
};


/**
 * @xcload: Selects the amount of additional on-chip capacitance to
 *          be connected between XTAL1 and gnd and between XTAL2 and
 *          GND. One half of the capacitance value shown here is the
 *          additional load capacitance presented to the xtal. The
 *          minimum step size is 0.277 pF. Recommended value is 0x28
 *          but it will be layout dependent. Range is 0–0x3F i.e.
 *          (0–16.33 pF)
 * @ctsien: enable CTSINT(interrupt request when CTS condition
 *          arises) when set
 * @intsel: when set A1 pin becomes the interrupt pin; otherwise,
 *          INTB is the interrupt pin
 * @func:   selects the boot function of the device. I.e.
 *          SI476X_BOOTLOADER  - Boot loader
 *          SI476X_FM_RECEIVER - FM receiver
 *          SI476X_AM_RECEIVER - AM receiver
 *          SI476X_WB_RECEIVER - Weatherband receiver
 * @freq:   oscillator's crystal frequency:
 *          SI476X_XTAL_37P209375_MHZ - 37.209375 Mhz
 *          SI476X_XTAL_36P4_MHZ      - 36.4 Mhz
 *          SI476X_XTAL_37P8_MHZ      - 37.8 Mhz
 */
struct si476x_power_up_args {
	enum si476x_ibias6x ibias6x;
	enum si476x_xstart  xstart;
	u8   xcload;
	bool fastboot;
	enum si476x_xbiashc xbiashc;
	enum si476x_xbias   xbias;
	enum si476x_func    func;
	enum si476x_freq    freq;
	enum si476x_xmode   xmode;
};


/**
 * enum si476x_phase_diversity_mode - possbile phase diversity modes
 * for SI4764/5/6/7 chips.
 *
 * @SI476X_PHDIV_DISABLED:		Phase diversity feature is
 *					disabled.
 * @SI476X_PHDIV_PRIMARY_COMBINING:	Tuner works as a primary tuner
 *					in combination with a
 *					secondary one.
 * @SI476X_PHDIV_PRIMARY_ANTENNA:	Tuner works as a primary tuner
 *					using only its own antenna.
 * @SI476X_PHDIV_SECONDARY_ANTENNA:	Tuner works as a primary tuner
 *					usning seconary tuner's antenna.
 * @SI476X_PHDIV_SECONDARY_COMBINING:	Tuner works as a secondary
 *					tuner in combination with the
 *					primary one.
 */
enum si476x_phase_diversity_mode {
	SI476X_PHDIV_DISABLED			= 0,
	SI476X_PHDIV_PRIMARY_COMBINING		= 1,
	SI476X_PHDIV_PRIMARY_ANTENNA		= 2,
	SI476X_PHDIV_SECONDARY_ANTENNA		= 3,
	SI476X_PHDIV_SECONDARY_COMBINING	= 5,
};


/*
 * Platform dependent definition
 */
struct si476x_platform_data {
	int gpio_reset; /* < 0 if not used */

	struct si476x_power_up_args power_up_parameters;
	enum si476x_phase_diversity_mode diversity_mode;

	struct si476x_pinmux pinmux;
};


#endif /* __SI476X_PLATFORM_H__ */