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
200struct 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