4 Copyright (C) Manu Abraham (abraham.manu@gmail.com)
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.
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 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <linux/signal.h>
22 #include <linux/sched.h>
23 #include <linux/interrupt.h>
27 #include "dvb_demux.h"
28 #include "dvb_frontend.h"
32 #include "mantis_common.h"
33 #include "mantis_ioc.h"
34 #include "mantis_dvb.h"
35 #include "mantis_vp2033.h"
37 #define MANTIS_MODEL_NAME "VP-2033"
38 #define MANTIS_DEV_TYPE "DVB-C"
40 static struct tda1002x_config vp2033_tda1002x_cu1216_config = {
41 .demod_address = 0x18 >> 1,
45 static struct tda10023_config vp2033_tda10023_cu1216_config = {
46 .demod_address = 0x18 >> 1,
50 static u8 read_pwm(struct mantis_pci *mantis)
52 struct i2c_adapter *adapter = &mantis->adapter;
56 struct i2c_msg msg[] = {
57 {.addr = 0x50, .flags = 0, .buf = &b, .len = 1},
58 {.addr = 0x50, .flags = I2C_M_RD, .buf = &pwm, .len = 1}
61 if ((i2c_transfer(adapter, msg, 2) != 2)
68 static int tda1002x_cu1216_tuner_set(struct dvb_frontend *fe)
70 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
71 struct mantis_pci *mantis = fe->dvb->priv;
72 struct i2c_adapter *adapter = &mantis->adapter;
75 struct i2c_msg msg = {.addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf)};
78 #define CU1216_IF 36125000
79 #define TUNER_MUL 62500
81 u32 div = (p->frequency + CU1216_IF + TUNER_MUL / 2) / TUNER_MUL;
83 buf[0] = (div >> 8) & 0x7f;
86 buf[3] = (p->frequency < 150000000 ? 0x01 :
87 p->frequency < 445000000 ? 0x02 : 0x04);
91 if (fe->ops.i2c_gate_ctrl)
92 fe->ops.i2c_gate_ctrl(fe, 1);
94 if (i2c_transfer(adapter, &msg, 1) != 1)
97 /* wait for the pll lock */
100 for (i = 0; i < 20; i++) {
101 if (fe->ops.i2c_gate_ctrl)
102 fe->ops.i2c_gate_ctrl(fe, 1);
104 if (i2c_transfer(adapter, &msg, 1) == 1 && (buf[0] & 0x40))
110 /* switch the charge pump to the lower current */
115 if (fe->ops.i2c_gate_ctrl)
116 fe->ops.i2c_gate_ctrl(fe, 1);
118 if (i2c_transfer(adapter, &msg, 1) != 1)
124 static int vp2033_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
126 struct i2c_adapter *adapter = &mantis->adapter;
130 err = mantis_frontend_power(mantis, POWER_ON);
132 mantis_frontend_soft_reset(mantis);
135 dprintk(MANTIS_ERROR, 1, "Probing for CU1216 (DVB-C)");
136 fe = dvb_attach(tda10021_attach, &vp2033_tda1002x_cu1216_config,
141 dprintk(MANTIS_ERROR, 1,
142 "found Philips CU1216 DVB-C frontend (TDA10021) @ 0x%02x",
143 vp2033_tda1002x_cu1216_config.demod_address);
145 fe = dvb_attach(tda10023_attach, &vp2033_tda10023_cu1216_config,
150 dprintk(MANTIS_ERROR, 1,
151 "found Philips CU1216 DVB-C frontend (TDA10023) @ 0x%02x",
152 vp2033_tda1002x_cu1216_config.demod_address);
157 fe->ops.tuner_ops.set_params = tda1002x_cu1216_tuner_set;
158 dprintk(MANTIS_ERROR, 1, "Mantis DVB-C Philips CU1216 frontend attach success");
163 dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
171 dprintk(MANTIS_DEBUG, 1, "Done!");
176 struct mantis_hwconfig vp2033_config = {
177 .model_name = MANTIS_MODEL_NAME,
178 .dev_type = MANTIS_DEV_TYPE,
179 .ts_size = MANTIS_TS_204,
181 .baud_rate = MANTIS_BAUD_9600,
182 .parity = MANTIS_PARITY_NONE,
185 .frontend_init = vp2033_frontend_init,