1 /* 2 Mantis VP-1034 driver 3 4 Copyright (C) Manu Abraham (abraham.manu@gmail.com) 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 GNU General Public License for more details. 15 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. 19 */ 20 21 #include <linux/signal.h> 22 #include <linux/sched.h> 23 #include <linux/interrupt.h> 24 #include <asm/io.h> 25 26 #include <media/dmxdev.h> 27 #include <media/dvbdev.h> 28 #include <media/dvb_demux.h> 29 #include <media/dvb_frontend.h> 30 #include <media/dvb_net.h> 31 32 #include "mb86a16.h" 33 #include "mantis_common.h" 34 #include "mantis_ioc.h" 35 #include "mantis_dvb.h" 36 #include "mantis_vp1034.h" 37 #include "mantis_reg.h" 38 39 static const struct mb86a16_config vp1034_mb86a16_config = { 40 .demod_address = 0x08, 41 .set_voltage = vp1034_set_voltage, 42 }; 43 44 #define MANTIS_MODEL_NAME "VP-1034" 45 #define MANTIS_DEV_TYPE "DVB-S/DSS" 46 47 int vp1034_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage) 48 { 49 struct mantis_pci *mantis = fe->dvb->priv; 50 51 switch (voltage) { 52 case SEC_VOLTAGE_13: 53 dprintk(MANTIS_ERROR, 1, "Polarization=[13V]"); 54 mantis_gpio_set_bits(mantis, 13, 1); 55 mantis_gpio_set_bits(mantis, 14, 0); 56 break; 57 case SEC_VOLTAGE_18: 58 dprintk(MANTIS_ERROR, 1, "Polarization=[18V]"); 59 mantis_gpio_set_bits(mantis, 13, 1); 60 mantis_gpio_set_bits(mantis, 14, 1); 61 break; 62 case SEC_VOLTAGE_OFF: 63 dprintk(MANTIS_ERROR, 1, "Frontend (dummy) POWERDOWN"); 64 break; 65 default: 66 dprintk(MANTIS_ERROR, 1, "Invalid = (%d)", (u32) voltage); 67 return -EINVAL; 68 } 69 mmwrite(0x00, MANTIS_GPIF_DOUT); 70 71 return 0; 72 } 73 74 static int vp1034_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe) 75 { 76 struct i2c_adapter *adapter = &mantis->adapter; 77 78 int err = 0; 79 80 err = mantis_frontend_power(mantis, POWER_ON); 81 if (err == 0) { 82 mantis_frontend_soft_reset(mantis); 83 msleep(250); 84 85 dprintk(MANTIS_ERROR, 1, "Probing for MB86A16 (DVB-S/DSS)"); 86 fe = dvb_attach(mb86a16_attach, &vp1034_mb86a16_config, adapter); 87 if (fe) { 88 dprintk(MANTIS_ERROR, 1, 89 "found MB86A16 DVB-S/DSS frontend @0x%02x", 90 vp1034_mb86a16_config.demod_address); 91 92 } else { 93 return -1; 94 } 95 } else { 96 dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>", 97 adapter->name, 98 err); 99 100 return -EIO; 101 } 102 mantis->fe = fe; 103 dprintk(MANTIS_ERROR, 1, "Done!"); 104 105 return 0; 106 } 107 108 struct mantis_hwconfig vp1034_config = { 109 .model_name = MANTIS_MODEL_NAME, 110 .dev_type = MANTIS_DEV_TYPE, 111 .ts_size = MANTIS_TS_204, 112 113 .baud_rate = MANTIS_BAUD_9600, 114 .parity = MANTIS_PARITY_NONE, 115 .bytes = 0, 116 117 .frontend_init = vp1034_frontend_init, 118 .power = GPIF_A12, 119 .reset = GPIF_A13, 120 }; 121