1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * FCI FC2580 silicon tuner driver
4  *
5  * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
6  */
7 
8 #ifndef FC2580_PRIV_H
9 #define FC2580_PRIV_H
10 
11 #include "fc2580.h"
12 #include <media/v4l2-ctrls.h>
13 #include <media/v4l2-subdev.h>
14 #include <linux/regmap.h>
15 #include <linux/math64.h>
16 
17 struct fc2580_reg_val {
18 	u8 reg;
19 	u8 val;
20 };
21 
22 static const struct fc2580_reg_val fc2580_init_reg_vals[] = {
23 	{0x00, 0x00},
24 	{0x12, 0x86},
25 	{0x14, 0x5c},
26 	{0x16, 0x3c},
27 	{0x1f, 0xd2},
28 	{0x09, 0xd7},
29 	{0x0b, 0xd5},
30 	{0x0c, 0x32},
31 	{0x0e, 0x43},
32 	{0x21, 0x0a},
33 	{0x22, 0x82},
34 	{0x45, 0x10},
35 	{0x4c, 0x00},
36 	{0x3f, 0x88},
37 	{0x02, 0x0e},
38 	{0x58, 0x14},
39 };
40 
41 struct fc2580_pll {
42 	u32 freq;
43 	u8 div_out;
44 	u8 band;
45 };
46 
47 static const struct fc2580_pll fc2580_pll_lut[] = {
48 	/*                            VCO min    VCO max */
49 	{ 400000000, 12, 0x80}, /* .......... 4800000000 */
50 	{1000000000,  4, 0x00}, /* 1600000000 4000000000 */
51 	{0xffffffff,  2, 0x40}, /* 2000000000 .......... */
52 };
53 
54 struct fc2580_if_filter {
55 	u32 freq;
56 	u8 r36_val;
57 	u8 r39_val;
58 };
59 
60 static const struct fc2580_if_filter fc2580_if_filter_lut[] = {
61 	{   6000000, 0x18, 0x00},
62 	{   7000000, 0x18, 0x80},
63 	{   8000000, 0x18, 0x80},
64 	{0xffffffff, 0x18, 0x80},
65 };
66 
67 struct fc2580_freq_regs {
68 	u32 freq;
69 	u8 r25_val;
70 	u8 r27_val;
71 	u8 r28_val;
72 	u8 r29_val;
73 	u8 r2b_val;
74 	u8 r2c_val;
75 	u8 r2d_val;
76 	u8 r30_val;
77 	u8 r44_val;
78 	u8 r50_val;
79 	u8 r53_val;
80 	u8 r5f_val;
81 	u8 r61_val;
82 	u8 r62_val;
83 	u8 r63_val;
84 	u8 r67_val;
85 	u8 r68_val;
86 	u8 r69_val;
87 	u8 r6a_val;
88 	u8 r6b_val;
89 	u8 r6c_val;
90 	u8 r6d_val;
91 	u8 r6e_val;
92 	u8 r6f_val;
93 };
94 
95 /* XXX: 0xff is used for don't-care! */
96 static const struct fc2580_freq_regs fc2580_freq_regs_lut[] = {
97 	{ 400000000,
98 		0xff, 0x77, 0x33, 0x40, 0xff, 0xff, 0xff, 0x09, 0xff, 0x8c,
99 		0x50, 0x0f, 0x07, 0x00, 0x15, 0x03, 0x05, 0x10, 0x12, 0x08,
100 		0x0a, 0x78, 0x32, 0x54},
101 	{ 538000000,
102 		0xf0, 0x77, 0x53, 0x60, 0xff, 0xff, 0x9f, 0x09, 0xff, 0x8c,
103 		0x50, 0x13, 0x07, 0x06, 0x15, 0x06, 0x08, 0x10, 0x12, 0x0b,
104 		0x0c, 0x78, 0x32, 0x14},
105 	{ 794000000,
106 		0xf0, 0x77, 0x53, 0x60, 0xff, 0xff, 0x9f, 0x09, 0xff, 0x8c,
107 		0x50, 0x15, 0x03, 0x03, 0x15, 0x03, 0x05, 0x0c, 0x0e, 0x0b,
108 		0x0c, 0x78, 0x32, 0x14},
109 	{1000000000,
110 		0xf0, 0x77, 0x53, 0x60, 0xff, 0xff, 0x8f, 0x09, 0xff, 0x8c,
111 		0x50, 0x15, 0x07, 0x06, 0x15, 0x07, 0x09, 0x10, 0x12, 0x0b,
112 		0x0c, 0x78, 0x32, 0x14},
113 	{0xffffffff,
114 		0xff, 0xff, 0xff, 0xff, 0x70, 0x37, 0xe7, 0x09, 0x20, 0x8c,
115 		0x50, 0x0f, 0x0f, 0x00, 0x13, 0x00, 0x02, 0x0c, 0x0e, 0x08,
116 		0x0a, 0xa0, 0x50, 0x14},
117 };
118 
119 struct fc2580_dev {
120 	u32 clk;
121 	struct i2c_client *client;
122 	struct regmap *regmap;
123 	struct v4l2_subdev subdev;
124 	bool active;
125 	unsigned int f_frequency;
126 	unsigned int f_bandwidth;
127 
128 	/* Controls */
129 	struct v4l2_ctrl_handler hdl;
130 	struct v4l2_ctrl *bandwidth_auto;
131 	struct v4l2_ctrl *bandwidth;
132 };
133 
134 #endif
135