1 /*
2  *  Driver for Freescale MC44S803 Low Power CMOS Broadband Tuner
3  *
4  *  Copyright (c) 2009 Jochen Friedrich <jochen@scram.de>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
20  */
21 
22 #ifndef MC44S803_PRIV_H
23 #define MC44S803_PRIV_H
24 
25 /* This driver is based on the information available in the datasheet
26    http://www.freescale.com/files/rf_if/doc/data_sheet/MC44S803.pdf
27 
28    SPI or I2C Address : 0xc0-0xc6
29 
30    Reg.No | Function
31    -------------------------------------------
32        00 | Power Down
33        01 | Reference Oszillator
34        02 | Reference Dividers
35        03 | Mixer and Reference Buffer
36        04 | Reset/Serial Out
37        05 | LO 1
38        06 | LO 2
39        07 | Circuit Adjust
40        08 | Test
41        09 | Digital Tune
42        0A | LNA AGC
43        0B | Data Register Address
44        0C | Regulator Test
45        0D | VCO Test
46        0E | LNA Gain/Input Power
47        0F | ID Bits
48 
49 */
50 
51 #define MC44S803_OSC 26000000	/* 26 MHz */
52 #define MC44S803_IF1 1086000000 /* 1086 MHz */
53 #define MC44S803_IF2 36125000	/* 36.125 MHz */
54 
55 #define MC44S803_REG_POWER	0
56 #define MC44S803_REG_REFOSC	1
57 #define MC44S803_REG_REFDIV	2
58 #define MC44S803_REG_MIXER	3
59 #define MC44S803_REG_RESET	4
60 #define MC44S803_REG_LO1	5
61 #define MC44S803_REG_LO2	6
62 #define MC44S803_REG_CIRCADJ	7
63 #define MC44S803_REG_TEST	8
64 #define MC44S803_REG_DIGTUNE	9
65 #define MC44S803_REG_LNAAGC	0x0A
66 #define MC44S803_REG_DATAREG	0x0B
67 #define MC44S803_REG_REGTEST	0x0C
68 #define MC44S803_REG_VCOTEST	0x0D
69 #define MC44S803_REG_LNAGAIN	0x0E
70 #define MC44S803_REG_ID		0x0F
71 
72 /* Register definitions */
73 #define MC44S803_ADDR		0x0F
74 #define MC44S803_ADDR_S		0
75 /* REG_POWER */
76 #define MC44S803_POWER		0xFFFFF0
77 #define MC44S803_POWER_S	4
78 /* REG_REFOSC */
79 #define MC44S803_REFOSC		0x1FF0
80 #define MC44S803_REFOSC_S	4
81 #define MC44S803_OSCSEL		0x2000
82 #define MC44S803_OSCSEL_S	13
83 /* REG_REFDIV */
84 #define MC44S803_R2		0x1FF0
85 #define MC44S803_R2_S		4
86 #define MC44S803_REFBUF_EN	0x2000
87 #define MC44S803_REFBUF_EN_S	13
88 #define MC44S803_R1		0x7C000
89 #define MC44S803_R1_S		14
90 /* REG_MIXER */
91 #define MC44S803_R3		0x70
92 #define MC44S803_R3_S		4
93 #define MC44S803_MUX3		0x80
94 #define MC44S803_MUX3_S		7
95 #define MC44S803_MUX4		0x100
96 #define MC44S803_MUX4_S		8
97 #define MC44S803_OSC_SCR	0x200
98 #define MC44S803_OSC_SCR_S	9
99 #define MC44S803_TRI_STATE	0x400
100 #define MC44S803_TRI_STATE_S	10
101 #define MC44S803_BUF_GAIN	0x800
102 #define MC44S803_BUF_GAIN_S	11
103 #define MC44S803_BUF_IO		0x1000
104 #define MC44S803_BUF_IO_S	12
105 #define MC44S803_MIXER_RES	0xFE000
106 #define MC44S803_MIXER_RES_S	13
107 /* REG_RESET */
108 #define MC44S803_RS		0x10
109 #define MC44S803_RS_S		4
110 #define MC44S803_SO		0x20
111 #define MC44S803_SO_S		5
112 /* REG_LO1 */
113 #define MC44S803_LO1		0xFFF0
114 #define MC44S803_LO1_S		4
115 /* REG_LO2 */
116 #define MC44S803_LO2		0x7FFF0
117 #define MC44S803_LO2_S		4
118 /* REG_CIRCADJ */
119 #define MC44S803_G1		0x20
120 #define MC44S803_G1_S		5
121 #define MC44S803_G3		0x80
122 #define MC44S803_G3_S		7
123 #define MC44S803_CIRCADJ_RES	0x300
124 #define MC44S803_CIRCADJ_RES_S	8
125 #define MC44S803_G6		0x400
126 #define MC44S803_G6_S		10
127 #define MC44S803_G7		0x800
128 #define MC44S803_G7_S		11
129 #define MC44S803_S1		0x1000
130 #define MC44S803_S1_S		12
131 #define MC44S803_LP		0x7E000
132 #define MC44S803_LP_S		13
133 #define MC44S803_CLRF		0x80000
134 #define MC44S803_CLRF_S		19
135 #define MC44S803_CLIF		0x100000
136 #define MC44S803_CLIF_S		20
137 /* REG_TEST */
138 /* REG_DIGTUNE */
139 #define MC44S803_DA		0xF0
140 #define MC44S803_DA_S		4
141 #define MC44S803_XOD		0x300
142 #define MC44S803_XOD_S		8
143 #define MC44S803_RST		0x10000
144 #define MC44S803_RST_S		16
145 #define MC44S803_LO_REF		0x1FFF00
146 #define MC44S803_LO_REF_S	8
147 #define MC44S803_AT		0x200000
148 #define MC44S803_AT_S		21
149 #define MC44S803_MT		0x400000
150 #define MC44S803_MT_S		22
151 /* REG_LNAAGC */
152 #define MC44S803_G		0x3F0
153 #define MC44S803_G_S		4
154 #define MC44S803_AT1		0x400
155 #define MC44S803_AT1_S		10
156 #define MC44S803_AT2		0x800
157 #define MC44S803_AT2_S		11
158 #define MC44S803_HL_GR_EN	0x8000
159 #define MC44S803_HL_GR_EN_S	15
160 #define MC44S803_AGC_AN_DIG	0x10000
161 #define MC44S803_AGC_AN_DIG_S	16
162 #define MC44S803_ATTEN_EN	0x20000
163 #define MC44S803_ATTEN_EN_S	17
164 #define MC44S803_AGC_READ_EN	0x40000
165 #define MC44S803_AGC_READ_EN_S	18
166 #define MC44S803_LNA0		0x80000
167 #define MC44S803_LNA0_S		19
168 #define MC44S803_AGC_SEL	0x100000
169 #define MC44S803_AGC_SEL_S	20
170 #define MC44S803_AT0		0x200000
171 #define MC44S803_AT0_S		21
172 #define MC44S803_B		0xC00000
173 #define MC44S803_B_S		22
174 /* REG_DATAREG */
175 #define MC44S803_D		0xF0
176 #define MC44S803_D_S		4
177 /* REG_REGTEST */
178 /* REG_VCOTEST */
179 /* REG_LNAGAIN */
180 #define MC44S803_IF_PWR		0x700
181 #define MC44S803_IF_PWR_S	8
182 #define MC44S803_RF_PWR		0x3800
183 #define MC44S803_RF_PWR_S	11
184 #define MC44S803_LNA_GAIN	0xFC000
185 #define MC44S803_LNA_GAIN_S	14
186 /* REG_ID */
187 #define MC44S803_ID		0x3E00
188 #define MC44S803_ID_S		9
189 
190 /* Some macros to read/write fields */
191 
192 /* First shift, then mask */
193 #define MC44S803_REG_SM(_val, _reg)					\
194 	(((_val) << _reg##_S) & (_reg))
195 
196 /* First mask, then shift */
197 #define MC44S803_REG_MS(_val, _reg)					\
198 	(((_val) & (_reg)) >> _reg##_S)
199 
200 struct mc44s803_priv {
201 	struct mc44s803_config *cfg;
202 	struct i2c_adapter *i2c;
203 	struct dvb_frontend *fe;
204 
205 	u32 frequency;
206 };
207 
208 #endif
209