blob: 974b52be9aead87ea3f58b20ac56e85ee294a2ea [file] [log] [blame]
Mauro Carvalho Chehabc2e591f2008-10-24 13:44:38 -03001/*
2 * Driver for Sharp s921 driver
3 *
4 * Copyright (C) 2008 Markus Rechberger <mrechberger@sundtek.de>
5 *
6 */
7
8
9#include <linux/kernel.h>
10#include <linux/module.h>
11#include <linux/delay.h>
12#include "s921_core.h"
13
14static int s921_isdb_init(struct s921_isdb_t *dev);
15static int s921_isdb_set_parameters(struct s921_isdb_t *dev, struct s921_isdb_t_transmission_mode_params *params);
16static int s921_isdb_tune(struct s921_isdb_t *dev, struct s921_isdb_t_tune_params *params);
17static int s921_isdb_get_status(struct s921_isdb_t *dev, void *data);
18
19static u8 init_table[]={ 0x01, 0x40, 0x02, 0x00, 0x03, 0x40, 0x04, 0x01,
20 0x05, 0x00, 0x06, 0x00, 0x07, 0x00, 0x08, 0x00,
21 0x09, 0x00, 0x0a, 0x00, 0x0b, 0x5a, 0x0c, 0x00,
22 0x0d, 0x00, 0x0f, 0x00, 0x13, 0x1b, 0x14, 0x80,
23 0x15, 0x40, 0x17, 0x70, 0x18, 0x01, 0x19, 0x12,
24 0x1a, 0x01, 0x1b, 0x12, 0x1c, 0xa0, 0x1d, 0x00,
25 0x1e, 0x0a, 0x1f, 0x08, 0x20, 0x40, 0x21, 0xff,
26 0x22, 0x4c, 0x23, 0x4e, 0x24, 0x4c, 0x25, 0x00,
27 0x26, 0x00, 0x27, 0xf4, 0x28, 0x60, 0x29, 0x88,
28 0x2a, 0x40, 0x2b, 0x40, 0x2c, 0xff, 0x2d, 0x00,
29 0x2e, 0xff, 0x2f, 0x00, 0x30, 0x20, 0x31, 0x06,
30 0x32, 0x0c, 0x34, 0x0f, 0x37, 0xfe, 0x38, 0x00,
31 0x39, 0x63, 0x3a, 0x10, 0x3b, 0x10, 0x47, 0x00,
32 0x49, 0xe5, 0x4b, 0x00, 0x50, 0xc0, 0x52, 0x20,
33 0x54, 0x5a, 0x55, 0x5b, 0x56, 0x40, 0x57, 0x70,
34 0x5c, 0x50, 0x5d, 0x00, 0x62, 0x17, 0x63, 0x2f,
35 0x64, 0x6f, 0x68, 0x00, 0x69, 0x89, 0x6a, 0x00,
36 0x6b, 0x00, 0x6c, 0x00, 0x6d, 0x00, 0x6e, 0x00,
37 0x70, 0x00, 0x71, 0x00, 0x75, 0x00, 0x76, 0x30,
38 0x77, 0x01, 0xaf, 0x00, 0xb0, 0xa0, 0xb2, 0x3d,
39 0xb3, 0x25, 0xb4, 0x8b, 0xb5, 0x4b, 0xb6, 0x3f,
40 0xb7, 0xff, 0xb8, 0xff, 0xb9, 0xfc, 0xba, 0x00,
41 0xbb, 0x00, 0xbc, 0x00, 0xd0, 0x30, 0xe4, 0x84,
42 0xf0, 0x48, 0xf1, 0x19, 0xf2, 0x5a, 0xf3, 0x8e,
43 0xf4, 0x2d, 0xf5, 0x07, 0xf6, 0x5a, 0xf7, 0xba,
44 0xf8, 0xd7 };
45
46static u8 c_table[]={ 0x58, 0x8a, 0x7b, 0x59, 0x8c, 0x7b, 0x5a, 0x8e, 0x5b,
47 0x5b, 0x90, 0x5b, 0x5c, 0x92, 0x5b, 0x5d, 0x94, 0x5b,
48 0x5e, 0x96, 0x5b, 0x5f, 0x98, 0x3b, 0x60, 0x9a, 0x3b,
49 0x61, 0x9c, 0x3b, 0x62, 0x9e, 0x3b, 0x63, 0xa0, 0x3b,
50 0x64, 0xa2, 0x1b, 0x65, 0xa4, 0x1b, 0x66, 0xa6, 0x1b,
51 0x67, 0xa8, 0x1b, 0x68, 0xaa, 0x1b, 0x69, 0xac, 0x1b,
52 0x6a, 0xae, 0x1b, 0x6b, 0xb0, 0x1b, 0x6c, 0xb2, 0x1b,
53 0x6d, 0xb4, 0xfb, 0x6e, 0xb6, 0xfb, 0x6f, 0xb8, 0xfb,
54 0x70, 0xba, 0xfb, 0x71, 0xbc, 0xdb, 0x72, 0xbe, 0xdb,
55 0x73, 0xc0, 0xdb, 0x74, 0xc2, 0xdb, 0x75, 0xc4, 0xdb,
56 0x76, 0xc6, 0xdb, 0x77, 0xc8, 0xbb, 0x78, 0xca, 0xbb,
57 0x79, 0xcc, 0xbb, 0x7a, 0xce, 0xbb, 0x7b, 0xd0, 0xbb,
58 0x7c, 0xd2, 0xbb, 0x7d, 0xd4, 0xbb, 0x7e, 0xd6, 0xbb,
59 0x7f, 0xd8, 0xbb, 0x80, 0xda, 0x9b, 0x81, 0xdc, 0x9b,
60 0x82, 0xde, 0x9b, 0x83, 0xe0, 0x9b, 0x84, 0xe2, 0x9b,
61 0x85, 0xe4, 0x9b, 0x86, 0xe6, 0x9b, 0x87, 0xe8, 0x9b,
62 0x88, 0xea, 0x9b, 0x89, 0xec, 0x9b };
63
64int s921_isdb_cmd(struct s921_isdb_t *dev, u32 cmd, void *data) {
65 switch(cmd) {
66 case ISDB_T_CMD_INIT:
67 s921_isdb_init(dev);
68 break;
69 case ISDB_T_CMD_SET_PARAM:
70 s921_isdb_set_parameters(dev, data);
71 break;
72 case ISDB_T_CMD_TUNE:
73 s921_isdb_tune(dev, data);
74 break;
75 case ISDB_T_CMD_GET_STATUS:
76 s921_isdb_get_status(dev, data);
77 break;
78 default:
79 printk("unhandled command\n");
80 return -EINVAL;
81 }
82 return 0;
83}
84
85static int s921_isdb_init(struct s921_isdb_t *dev) {
86 unsigned int i;
87 unsigned int ret;
88 printk("isdb_init\n");
89 for (i = 0; i < sizeof(init_table); i+=2) {
90 ret = dev->i2c_write(dev->priv_dev, init_table[i], init_table[i+1]);
91 if (ret != 0) {
92 printk("i2c write failed\n");
93 return ret;
94 }
95 }
96 return 0;
97}
98
99static int s921_isdb_set_parameters(struct s921_isdb_t *dev, struct s921_isdb_t_transmission_mode_params *params) {
100
101 int ret;
102 /* auto is sufficient for now, lateron this should be reflected in an extra interface */
103
104
105
106 ret = dev->i2c_write(dev->priv_dev, 0xb0, 0xa0); //mod_b2);
107 ret = dev->i2c_write(dev->priv_dev, 0xb2, 0x3d); //mod_b2);
108
109 if (ret < 0)
110 return -EINVAL;
111
112 ret = dev->i2c_write(dev->priv_dev, 0xb3, 0x25); //mod_b3);
113 if (ret < 0)
114 return -EINVAL;
115
116 ret = dev->i2c_write(dev->priv_dev, 0xb4, 0x8b); //mod_b4);
117 if (ret < 0)
118 return -EINVAL;
119
120 ret = dev->i2c_write(dev->priv_dev, 0xb5, 0x4b); //mod_b5);
121 if (ret < 0)
122 return -EINVAL;
123
124 ret = dev->i2c_write(dev->priv_dev, 0xb6, 0x3f); //mod_b6);
125 if (ret < 0)
126 return -EINVAL;
127
128 ret = dev->i2c_write(dev->priv_dev, 0xb7, 0x3f); //mod_b7);
129 if (ret < 0)
130 return -EINVAL;
131
132 return E_OK;
133}
134
135static int s921_isdb_tune(struct s921_isdb_t *dev, struct s921_isdb_t_tune_params *params) {
136
137 int ret;
138 int index;
139
140 index = (params->frequency - 473143000)/6000000;
141
142 if (index > 48) {
143 return -EINVAL;
144 }
145
146 dev->i2c_write(dev->priv_dev, 0x47, 0x60);
147
148 ret = dev->i2c_write(dev->priv_dev, 0x68, 0x00);
149 if (ret < 0)
150 return -EINVAL;
151
152 ret = dev->i2c_write(dev->priv_dev, 0x69, 0x89);
153 if (ret < 0)
154 return -EINVAL;
155
156 ret = dev->i2c_write(dev->priv_dev, 0xf0, 0x48);
157 if (ret < 0)
158 return -EINVAL;
159
160 ret = dev->i2c_write(dev->priv_dev, 0xf1, 0x19);
161 if (ret < 0)
162 return -EINVAL;
163
164 ret = dev->i2c_write(dev->priv_dev, 0xf2, c_table[index*3]);
165 if (ret < 0)
166 return -EINVAL;
167
168 ret = dev->i2c_write(dev->priv_dev, 0xf3, c_table[index*3+1]);
169 if (ret < 0)
170 return -EINVAL;
171
172 ret = dev->i2c_write(dev->priv_dev, 0xf4, c_table[index*3+2]);
173 if (ret < 0)
174 return -EINVAL;
175
176 ret = dev->i2c_write(dev->priv_dev, 0xf5, 0xae);
177 if (ret < 0)
178 return -EINVAL;
179
180 ret = dev->i2c_write(dev->priv_dev, 0xf6, 0xb7);
181 if (ret < 0)
182 return -EINVAL;
183
184 ret = dev->i2c_write(dev->priv_dev, 0xf7, 0xba);
185 if (ret < 0)
186 return -EINVAL;
187
188 ret = dev->i2c_write(dev->priv_dev, 0xf8, 0xd7);
189 if (ret < 0)
190 return -EINVAL;
191
192 ret = dev->i2c_write(dev->priv_dev, 0x68, 0x0a);
193 if (ret < 0)
194 return -EINVAL;
195
196 ret = dev->i2c_write(dev->priv_dev, 0x69, 0x09);
197 if (ret < 0)
198 return -EINVAL;
199
200 dev->i2c_write(dev->priv_dev, 0x01, 0x40);
201 return 0;
202}
203
204static int s921_isdb_get_status(struct s921_isdb_t *dev, void *data) {
205 unsigned int *ret = (unsigned int*)data;
206 u8 ifagc_dt;
207 u8 rfagc_dt;
208
209 mdelay(10);
210 ifagc_dt = dev->i2c_read(dev->priv_dev, 0x81);
211 rfagc_dt = dev->i2c_read(dev->priv_dev, 0x82);
212 if (rfagc_dt == 0x40) {
213 *ret = 1;
214 }
215 return 0;
216}