aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r--drivers/media/dvb/frontends/Kconfig6
-rw-r--r--drivers/media/dvb/frontends/Makefile1
-rw-r--r--drivers/media/dvb/frontends/dvb-pll.c15
-rw-r--r--drivers/media/dvb/frontends/dvb-pll.h2
-rw-r--r--drivers/media/dvb/frontends/zl10353.c311
-rw-r--r--drivers/media/dvb/frontends/zl10353.h43
-rw-r--r--drivers/media/dvb/frontends/zl10353_priv.h42
7 files changed, 420 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig
index c676b1e23ab0..a1a894d81040 100644
--- a/drivers/media/dvb/frontends/Kconfig
+++ b/drivers/media/dvb/frontends/Kconfig
@@ -116,6 +116,12 @@ config DVB_MT352
116 help 116 help
117 A DVB-T tuner module. Say Y when you want to support this frontend. 117 A DVB-T tuner module. Say Y when you want to support this frontend.
118 118
119config DVB_ZL10353
120 tristate "Zarlink ZL10353 based"
121 depends on DVB_CORE
122 help
123 A DVB-T tuner module. Say Y when you want to support this frontend.
124
119config DVB_DIB3000MB 125config DVB_DIB3000MB
120 tristate "DiBcom 3000M-B" 126 tristate "DiBcom 3000M-B"
121 depends on DVB_CORE 127 depends on DVB_CORE
diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile
index 1af769cd90c0..d09b6071fbaf 100644
--- a/drivers/media/dvb/frontends/Makefile
+++ b/drivers/media/dvb/frontends/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_DVB_TDA1004X) += tda1004x.o
20obj-$(CONFIG_DVB_SP887X) += sp887x.o 20obj-$(CONFIG_DVB_SP887X) += sp887x.o
21obj-$(CONFIG_DVB_NXT6000) += nxt6000.o 21obj-$(CONFIG_DVB_NXT6000) += nxt6000.o
22obj-$(CONFIG_DVB_MT352) += mt352.o 22obj-$(CONFIG_DVB_MT352) += mt352.o
23obj-$(CONFIG_DVB_ZL10353) += zl10353.o
23obj-$(CONFIG_DVB_CX22702) += cx22702.o 24obj-$(CONFIG_DVB_CX22702) += cx22702.o
24obj-$(CONFIG_DVB_TDA10021) += tda10021.o 25obj-$(CONFIG_DVB_TDA10021) += tda10021.o
25obj-$(CONFIG_DVB_STV0297) += stv0297.o 26obj-$(CONFIG_DVB_STV0297) += stv0297.o
diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c
index 4f682534df42..8a4c904d3a27 100644
--- a/drivers/media/dvb/frontends/dvb-pll.c
+++ b/drivers/media/dvb/frontends/dvb-pll.c
@@ -404,6 +404,21 @@ struct dvb_pll_desc dvb_pll_philips_td1316 = {
404}; 404};
405EXPORT_SYMBOL(dvb_pll_philips_td1316); 405EXPORT_SYMBOL(dvb_pll_philips_td1316);
406 406
407/* FE6600 used on DViCO Hybrid */
408struct dvb_pll_desc dvb_pll_unknown_fe6600 = {
409 .name = "FE6600",
410 .min = 44250000,
411 .max = 858000000,
412 .count = 4,
413 .entries = {
414 { 250000000, 36213333, 166667, 0xb4, 0x12 },
415 { 455000000, 36213333, 166667, 0xfe, 0x11 },
416 { 775500000, 36213333, 166667, 0xbc, 0x18 },
417 { 999999999, 36213333, 166667, 0xf4, 0x18 },
418 }
419};
420EXPORT_SYMBOL(dvb_pll_unknown_fe6600);
421
407/* ----------------------------------------------------------- */ 422/* ----------------------------------------------------------- */
408/* code */ 423/* code */
409 424
diff --git a/drivers/media/dvb/frontends/dvb-pll.h b/drivers/media/dvb/frontends/dvb-pll.h
index 56c3cd76a7fa..8a7f0b941c38 100644
--- a/drivers/media/dvb/frontends/dvb-pll.h
+++ b/drivers/media/dvb/frontends/dvb-pll.h
@@ -42,6 +42,8 @@ extern struct dvb_pll_desc dvb_pll_samsung_tbmv;
42extern struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261; 42extern struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261;
43extern struct dvb_pll_desc dvb_pll_philips_td1316; 43extern struct dvb_pll_desc dvb_pll_philips_td1316;
44 44
45extern struct dvb_pll_desc dvb_pll_unknown_fe6600;
46
45int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, 47int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
46 u32 freq, int bandwidth); 48 u32 freq, int bandwidth);
47 49
diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c
new file mode 100644
index 000000000000..23846c4452ad
--- /dev/null
+++ b/drivers/media/dvb/frontends/zl10353.c
@@ -0,0 +1,311 @@
1/*
2 * Driver for Zarlink DVB-T ZL10353 demodulator
3 *
4 * Copyright (C) 2006 Christopher Pascoe <c.pascoe@itee.uq.edu.au>
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#include <linux/kernel.h>
23#include <linux/module.h>
24#include <linux/moduleparam.h>
25#include <linux/init.h>
26#include <linux/delay.h>
27#include <linux/string.h>
28#include <linux/slab.h>
29
30#include "dvb_frontend.h"
31#include "zl10353_priv.h"
32#include "zl10353.h"
33
34struct zl10353_state {
35 struct i2c_adapter *i2c;
36 struct dvb_frontend frontend;
37 struct dvb_frontend_ops ops;
38
39 struct zl10353_config config;
40};
41
42static int debug_regs = 0;
43
44static int zl10353_single_write(struct dvb_frontend *fe, u8 reg, u8 val)
45{
46 struct zl10353_state *state = fe->demodulator_priv;
47 u8 buf[2] = { reg, val };
48 struct i2c_msg msg = { .addr = state->config.demod_address, .flags = 0,
49 .buf = buf, .len = 2 };
50 int err = i2c_transfer(state->i2c, &msg, 1);
51 if (err != 1) {
52 printk("zl10353: write to reg %x failed (err = %d)!\n", reg, err);
53 return err;
54 }
55 return 0;
56}
57
58int zl10353_write(struct dvb_frontend *fe, u8 *ibuf, int ilen)
59{
60 int err, i;
61 for (i = 0; i < ilen - 1; i++)
62 if ((err = zl10353_single_write(fe, ibuf[0] + i, ibuf[i + 1])))
63 return err;
64
65 return 0;
66}
67
68static int zl10353_read_register(struct zl10353_state *state, u8 reg)
69{
70 int ret;
71 u8 b0[1] = { reg };
72 u8 b1[1] = { 0 };
73 struct i2c_msg msg[2] = { { .addr = state->config.demod_address,
74 .flags = 0,
75 .buf = b0, .len = 1 },
76 { .addr = state->config.demod_address,
77 .flags = I2C_M_RD,
78 .buf = b1, .len = 1 } };
79
80 ret = i2c_transfer(state->i2c, msg, 2);
81
82 if (ret != 2) {
83 printk("%s: readreg error (reg=%d, ret==%i)\n",
84 __FUNCTION__, reg, ret);
85 return ret;
86 }
87
88 return b1[0];
89}
90
91void zl10353_dump_regs(struct dvb_frontend *fe)
92{
93 struct zl10353_state *state = fe->demodulator_priv;
94 char buf[52], buf2[4];
95 int ret;
96 u8 reg;
97
98 /* Dump all registers. */
99 for (reg = 0; ; reg++) {
100 if (reg % 16 == 0) {
101 if (reg)
102 printk(KERN_DEBUG "%s\n", buf);
103 sprintf(buf, "%02x: ", reg);
104 }
105 ret = zl10353_read_register(state, reg);
106 if (ret >= 0)
107 sprintf(buf2, "%02x ", (u8)ret);
108 else
109 strcpy(buf2, "-- ");
110 strcat(buf, buf2);
111 if (reg == 0xff)
112 break;
113 }
114 printk(KERN_DEBUG "%s\n", buf);
115}
116
117static int zl10353_sleep(struct dvb_frontend *fe)
118{
119 static u8 zl10353_softdown[] = { 0x50, 0x0C, 0x44 };
120
121 zl10353_write(fe, zl10353_softdown, sizeof(zl10353_softdown));
122 return 0;
123}
124
125static int zl10353_set_parameters(struct dvb_frontend *fe,
126 struct dvb_frontend_parameters *param)
127{
128 struct zl10353_state *state = fe->demodulator_priv;
129 u8 pllbuf[6] = { 0x67 };
130
131 /* These settings set "auto-everything" and start the FSM. */
132 zl10353_single_write(fe, 0x55, 0x80);
133 udelay(200);
134 zl10353_single_write(fe, 0xEA, 0x01);
135 udelay(200);
136 zl10353_single_write(fe, 0xEA, 0x00);
137
138 zl10353_single_write(fe, 0x56, 0x28);
139 zl10353_single_write(fe, 0x89, 0x20);
140 zl10353_single_write(fe, 0x5E, 0x00);
141 zl10353_single_write(fe, 0x65, 0x5A);
142 zl10353_single_write(fe, 0x66, 0xE9);
143 zl10353_single_write(fe, 0x62, 0x0A);
144
145 state->config.pll_set(fe, param, pllbuf + 1);
146 zl10353_write(fe, pllbuf, sizeof(pllbuf));
147
148 zl10353_single_write(fe, 0x70, 0x01);
149 udelay(250);
150 zl10353_single_write(fe, 0xE4, 0x00);
151 zl10353_single_write(fe, 0xE5, 0x2A);
152 zl10353_single_write(fe, 0xE9, 0x02);
153 zl10353_single_write(fe, 0xE7, 0x40);
154 zl10353_single_write(fe, 0xE8, 0x10);
155
156 return 0;
157}
158
159static int zl10353_read_status(struct dvb_frontend *fe, fe_status_t *status)
160{
161 struct zl10353_state *state = fe->demodulator_priv;
162 int s6, s7, s8;
163
164 if ((s6 = zl10353_read_register(state, STATUS_6)) < 0)
165 return -EREMOTEIO;
166 if ((s7 = zl10353_read_register(state, STATUS_7)) < 0)
167 return -EREMOTEIO;
168 if ((s8 = zl10353_read_register(state, STATUS_8)) < 0)
169 return -EREMOTEIO;
170
171 *status = 0;
172 if (s6 & (1 << 2))
173 *status |= FE_HAS_CARRIER;
174 if (s6 & (1 << 1))
175 *status |= FE_HAS_VITERBI;
176 if (s6 & (1 << 5))
177 *status |= FE_HAS_LOCK;
178 if (s7 & (1 << 4))
179 *status |= FE_HAS_SYNC;
180 if (s8 & (1 << 6))
181 *status |= FE_HAS_SIGNAL;
182
183 if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) !=
184 (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC))
185 *status &= ~FE_HAS_LOCK;
186
187 return 0;
188}
189
190static int zl10353_read_snr(struct dvb_frontend *fe, u16 *snr)
191{
192 struct zl10353_state *state = fe->demodulator_priv;
193 u8 _snr;
194
195 if (debug_regs)
196 zl10353_dump_regs(fe);
197
198 _snr = zl10353_read_register(state, SNR);
199 *snr = (_snr << 8) | _snr;
200
201 return 0;
202}
203
204static int zl10353_get_tune_settings(struct dvb_frontend *fe,
205 struct dvb_frontend_tune_settings
206 *fe_tune_settings)
207{
208 fe_tune_settings->min_delay_ms = 1000;
209 fe_tune_settings->step_size = 0;
210 fe_tune_settings->max_drift = 0;
211
212 return 0;
213}
214
215static int zl10353_init(struct dvb_frontend *fe)
216{
217 struct zl10353_state *state = fe->demodulator_priv;
218 u8 zl10353_reset_attach[6] = { 0x50, 0x03, 0x64, 0x46, 0x15, 0x0F };
219 int rc = 0;
220
221 if (debug_regs)
222 zl10353_dump_regs(fe);
223
224 /* Do a "hard" reset if not already done */
225 if (zl10353_read_register(state, 0x50) != 0x03) {
226 rc = zl10353_write(fe, zl10353_reset_attach,
227 sizeof(zl10353_reset_attach));
228 if (debug_regs)
229 zl10353_dump_regs(fe);
230 }
231
232 return 0;
233}
234
235static void zl10353_release(struct dvb_frontend *fe)
236{
237 struct zl10353_state *state = fe->demodulator_priv;
238
239 kfree(state);
240}
241
242static struct dvb_frontend_ops zl10353_ops;
243
244struct dvb_frontend *zl10353_attach(const struct zl10353_config *config,
245 struct i2c_adapter *i2c)
246{
247 struct zl10353_state *state = NULL;
248
249 /* allocate memory for the internal state */
250 state = kzalloc(sizeof(struct zl10353_state), GFP_KERNEL);
251 if (state == NULL)
252 goto error;
253
254 /* setup the state */
255 state->i2c = i2c;
256 memcpy(&state->config, config, sizeof(struct zl10353_config));
257 memcpy(&state->ops, &zl10353_ops, sizeof(struct dvb_frontend_ops));
258
259 /* check if the demod is there */
260 if (zl10353_read_register(state, CHIP_ID) != ID_ZL10353)
261 goto error;
262
263 /* create dvb_frontend */
264 state->frontend.ops = &state->ops;
265 state->frontend.demodulator_priv = state;
266
267 return &state->frontend;
268error:
269 kfree(state);
270 return NULL;
271}
272
273static struct dvb_frontend_ops zl10353_ops = {
274
275 .info = {
276 .name = "Zarlink ZL10353 DVB-T",
277 .type = FE_OFDM,
278 .frequency_min = 174000000,
279 .frequency_max = 862000000,
280 .frequency_stepsize = 166667,
281 .frequency_tolerance = 0,
282 .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
283 FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
284 FE_CAN_FEC_AUTO |
285 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
286 FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO |
287 FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER |
288 FE_CAN_MUTE_TS
289 },
290
291 .release = zl10353_release,
292
293 .init = zl10353_init,
294 .sleep = zl10353_sleep,
295
296 .set_frontend = zl10353_set_parameters,
297 .get_tune_settings = zl10353_get_tune_settings,
298
299 .read_status = zl10353_read_status,
300 .read_snr = zl10353_read_snr,
301};
302
303module_param(debug_regs, int, 0644);
304MODULE_PARM_DESC(debug_regs, "Turn on/off frontend register dumps (default:off).");
305
306MODULE_DESCRIPTION("Zarlink ZL10353 DVB-T demodulator driver");
307MODULE_AUTHOR("Chris Pascoe");
308MODULE_LICENSE("GPL");
309
310EXPORT_SYMBOL(zl10353_attach);
311EXPORT_SYMBOL(zl10353_write);
diff --git a/drivers/media/dvb/frontends/zl10353.h b/drivers/media/dvb/frontends/zl10353.h
new file mode 100644
index 000000000000..5cc4ae718d8c
--- /dev/null
+++ b/drivers/media/dvb/frontends/zl10353.h
@@ -0,0 +1,43 @@
1/*
2 * Driver for Zarlink DVB-T ZL10353 demodulator
3 *
4 * Copyright (C) 2006 Christopher Pascoe <c.pascoe@itee.uq.edu.au>
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 ZL10353_H
23#define ZL10353_H
24
25#include <linux/dvb/frontend.h>
26
27struct zl10353_config
28{
29 /* demodulator's I2C address */
30 u8 demod_address;
31
32 /* function which configures the PLL buffer (for secondary I2C
33 * connected tuner) or tunes the PLL (for direct connected tuner) */
34 int (*pll_set)(struct dvb_frontend *fe,
35 struct dvb_frontend_parameters *params, u8 *pllbuf);
36};
37
38extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
39 struct i2c_adapter *i2c);
40
41extern int zl10353_write(struct dvb_frontend *fe, u8 *ibuf, int ilen);
42
43#endif /* ZL10353_H */
diff --git a/drivers/media/dvb/frontends/zl10353_priv.h b/drivers/media/dvb/frontends/zl10353_priv.h
new file mode 100644
index 000000000000..b72224bd7dde
--- /dev/null
+++ b/drivers/media/dvb/frontends/zl10353_priv.h
@@ -0,0 +1,42 @@
1/*
2 * Driver for Zarlink DVB-T ZL10353 demodulator
3 *
4 * Copyright (C) 2006 Christopher Pascoe <c.pascoe@itee.uq.edu.au>
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 _ZL10353_PRIV_
23#define _ZL10353_PRIV_
24
25#define ID_ZL10353 0x14
26
27enum zl10353_reg_addr {
28 INTERRUPT_0 = 0x00,
29 INTERRUPT_1 = 0x01,
30 INTERRUPT_2 = 0x02,
31 INTERRUPT_3 = 0x03,
32 INTERRUPT_4 = 0x04,
33 INTERRUPT_5 = 0x05,
34 STATUS_6 = 0x06,
35 STATUS_7 = 0x07,
36 STATUS_8 = 0x08,
37 STATUS_9 = 0x09,
38 SNR = 0x10,
39 CHIP_ID = 0x7F,
40};
41
42#endif /* _ZL10353_PRIV_ */