aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb/frontends/qt1010.h
diff options
context:
space:
mode:
authorAntti Palosaari <crope@iki.fi>2007-01-21 13:56:10 -0500
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-02-21 10:34:53 -0500
commitcbdc80ed8f59e204c031b52ea7e44f419029f75b (patch)
tree86e58128fc49ad39beeba4971bfbbbc077faae5a /drivers/media/dvb/frontends/qt1010.h
parent1f61f3bab303c02cfd822c952284a381089452a0 (diff)
V4L/DVB (5137): Dvb: add new qt1010 tuner module
QT1010: - old qt1010-code totally rewritten and put in own kernel module - same enhancements as my earlier QT1010 125kHz patch - tuner initialization - register 1f calculation - register 20 calculation - register 25 calculation m920x: (MSI Megasky) - use new QT1010 module instead of old code Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/frontends/qt1010.h')
-rw-r--r--drivers/media/dvb/frontends/qt1010.h233
1 files changed, 30 insertions, 203 deletions
diff --git a/drivers/media/dvb/frontends/qt1010.h b/drivers/media/dvb/frontends/qt1010.h
index 8196985e4e4..3ab4aa045c3 100644
--- a/drivers/media/dvb/frontends/qt1010.h
+++ b/drivers/media/dvb/frontends/qt1010.h
@@ -1,5 +1,8 @@
1/* 1/*
2 * qt1010.h - DVB-T Tuner support 2 * Driver for Quantek QT1010 silicon tuner
3 *
4 * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
5 * Aapo Tahkola <aet@rasterburn.org>
3 * 6 *
4 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 8 * it under the terms of the GNU General Public License as published by
@@ -16,211 +19,35 @@
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 */ 20 */
18 21
19#ifndef _QT1010_H_ 22#ifndef QT1010_H
20#define _QT1010_H_ 23#define QT1010_H
21
22#define QT1010_W 0
23#define QT1010_R 1
24/* Not actual hw limits. */
25#define QT1010_MIN_STEP 2000000
26#define QT1010_MIN_FREQ 48000000
27
28static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
29{
30 int i;
31 int div, mod;
32 struct {
33 u8 read, reg, value;
34 } rd[46] = { { QT1010_W, 0x01, 0x80 },
35 { QT1010_W, 0x02, 0x3f },
36 { QT1010_W, 0x05, 0xff }, /* c */
37 { QT1010_W, 0x06, 0x44 },
38 { QT1010_W, 0x07, 0xff }, /* c */
39 { QT1010_W, 0x08, 0x08 },
40 { QT1010_W, 0x09, 0xff }, /* c */
41 { QT1010_W, 0x0a, 0xff }, /* c */
42 { QT1010_W, 0x0b, 0xff }, /* c */
43 { QT1010_W, 0x0c, 0xe1 },
44 { QT1010_W, 0x1a, 0xff }, /* 10 c */
45 { QT1010_W, 0x1b, 0x00 },
46 { QT1010_W, 0x1c, 0x89 },
47 { QT1010_W, 0x11, 0xff }, /* c */
48 { QT1010_W, 0x12, 0x91 },
49 { QT1010_W, 0x22, 0xff }, /* c */
50 { QT1010_W, 0x1e, 0x00 },
51 { QT1010_W, 0x1e, 0xd0 },
52 { QT1010_R, 0x22, 0xff }, /* c read */
53 { QT1010_W, 0x1e, 0x00 },
54 { QT1010_R, 0x05, 0xff }, /* 20 c read */
55 { QT1010_R, 0x22, 0xff }, /* c read */
56 { QT1010_W, 0x23, 0xd0 },
57 { QT1010_W, 0x1e, 0x00 },
58 { QT1010_W, 0x1e, 0xe0 },
59 { QT1010_R, 0x23, 0xff }, /* c read */
60 { QT1010_W, 0x1e, 0x00 },
61 { QT1010_W, 0x24, 0xd0 },
62 { QT1010_W, 0x1e, 0x00 },
63 { QT1010_W, 0x1e, 0xf0 },
64 { QT1010_R, 0x24, 0xff }, /* 30 c read */
65 { QT1010_W, 0x1e, 0x00 },
66 { QT1010_W, 0x14, 0x7f },
67 { QT1010_W, 0x15, 0x7f },
68 { QT1010_W, 0x05, 0xff }, /* c */
69 { QT1010_W, 0x06, 0x00 },
70 { QT1010_W, 0x15, 0x1f },
71 { QT1010_W, 0x16, 0xff },
72 { QT1010_W, 0x18, 0xff },
73 { QT1010_W, 0x1f, 0xff }, /* c */
74 { QT1010_W, 0x20, 0xff }, /* 40 c */
75 { QT1010_W, 0x21, 0x53 },
76 { QT1010_W, 0x25, 0xbd },
77 { QT1010_W, 0x26, 0x15 },
78 { QT1010_W, 0x02, 0x00 },
79 { QT1010_W, 0x01, 0x00 },
80 };
81 struct i2c_msg msg;
82 struct dvb_usb_adapter *adap = fe->dvb->priv;
83 unsigned long freq = params->frequency;
84
85 if (freq % QT1010_MIN_STEP)
86 printk("frequency not supported.\n");
87
88 div = (freq - QT1010_MIN_FREQ) / QT1010_MIN_STEP;
89 mod = (div + 16 - 9) % 16;
90
91 /* 0x5 */
92 if (div >= 377)
93 rd[2].value = 0x74;
94 else if (div >= 265)
95 rd[2].value = 0x54;
96 else if (div >= 121)
97 rd[2].value = 0x34;
98 else
99 rd[2].value = 0x14;
100
101 /* 0x7 */
102 rd[4].value = (((freq - QT1010_MIN_FREQ) / 1000000) * 9975 + 12960000) / 320000;
103
104 /* 09 */
105 if (mod < 4)
106 rd[6].value = 0x1d;
107 else
108 rd[6].value = 0x1c;
109
110 /* 0a */
111 if (mod < 2)
112 rd[7].value = 0x09;
113 else if (mod < 4)
114 rd[7].value = 0x08;
115 else if (mod < 6)
116 rd[7].value = 0x0f;
117 else if (mod < 8)
118 rd[7].value = 0x0e;
119 else if (mod < 10)
120 rd[7].value = 0x0d;
121 else if (mod < 12)
122 rd[7].value = 0x0c;
123 else if (mod < 14)
124 rd[7].value = 0x0b;
125 else
126 rd[7].value = 0x0a;
127
128 /* 0b */
129 if (div & 1)
130 rd[8].value = 0x45;
131 else
132 rd[8].value = 0x44;
133
134 /* 1a */
135 if (div & 1)
136 rd[10].value = 0x78;
137 else
138 rd[10].value = 0xf8;
139 24
140 /* 11 */ 25#include "dvb_frontend.h"
141 if (div >= 265)
142 rd[13].value = 0xf9;
143 else if (div >= 121)
144 rd[13].value = 0xfd;
145 else
146 rd[13].value = 0xf9;
147 26
148 /* 22 */ 27struct qt1010_config {
149 if (div < 201) 28 u8 i2c_address;
150 rd[15].value = 0xd0; 29};
151 else if (div < 217)
152 rd[15].value = 0xd3;
153 else if (div < 233)
154 rd[15].value = 0xd6;
155 else if (div < 249)
156 rd[15].value = 0xd9;
157 else if (div < 265)
158 rd[15].value = 0xda;
159 else
160 rd[15].value = 0xd0;
161 30
162 /* 05 */ 31/**
163 if (div >= 377) 32 * Attach a qt1010 tuner to the supplied frontend structure.
164 rd[34].value = 0x70; 33 *
165 else if (div >= 265) 34 * @param fe frontend to attach to
166 rd[34].value = 0x50; 35 * @param i2c i2c adapter to use
167 else if (div >= 121) 36 * @param cfg tuner hw based configuration
168 rd[34].value = 0x30; 37 * @return fe pointer on success, NULL on failure
169 else 38 */
170 rd[34].value = 0x10; 39#if defined(CONFIG_DVB_TUNER_QT1010) || (defined(CONFIG_DVB_TUNER_QT1010_MODULE) && defined(MODULE))
171 40extern struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
172 /* 1f */ 41 struct i2c_adapter *i2c,
173 if (mod < 4) 42 struct qt1010_config *cfg);
174 rd[39].value = 0x64; 43#else
175 else if (mod < 6) 44static inline struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
176 rd[39].value = 0x66; 45 struct i2c_adapter *i2c,
177 else if (mod < 8) 46 struct qt1010_config *cfg)
178 rd[39].value = 0x67;
179 else if (mod < 12)
180 rd[39].value = 0x68;
181 else if (mod < 14)
182 rd[39].value = 0x69;
183 else
184 rd[39].value = 0x6a;
185
186 /* 20 */
187 if (mod < 4)
188 rd[40].value = 0x10;
189 else if (mod < 6)
190 rd[40].value = 0x11;
191 else if (mod < 10)
192 rd[40].value = 0x12;
193 else if (mod < 12)
194 rd[40].value = 0x13;
195 else if (mod < 14)
196 rd[40].value = 0x14;
197 else
198 rd[40].value = 0x15;
199
200 for (i = 0; i < sizeof(rd) / sizeof(*rd); i++) {
201 if (rd[i].read)
202 continue;
203
204 msg.flags = 0;
205 msg.len = 2;
206 msg.addr = adap->dev->adapter[0].pll_addr;
207 msg.buf = &rd[i].reg;
208
209 if (i2c_transfer(&adap->dev->i2c_adap, &msg, 1) != 1) {
210 printk("tuner write failed\n");
211 return -EIO;
212 }
213 }
214
215 return 0;
216}
217
218static int qt1010_tuner_attach(struct dvb_usb_adapter *adap)
219{ 47{
220 adap->pll_addr = 0xc4; 48 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
221 adap->pll_desc = NULL; 49 return NULL;
222 adap->fe->ops.tuner_ops.set_params = qt1010_set_params;
223
224 return 0;
225} 50}
51#endif // CONFIG_DVB_TUNER_QT1010
52
226#endif 53#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-22 10:55:16 -0400