1 /* 2 Mantis VP-1033 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 25 #include <media/dmxdev.h> 26 #include <media/dvbdev.h> 27 #include <media/dvb_demux.h> 28 #include <media/dvb_frontend.h> 29 #include <media/dvb_net.h> 30 31 #include "stv0299.h" 32 #include "mantis_common.h" 33 #include "mantis_ioc.h" 34 #include "mantis_dvb.h" 35 #include "mantis_vp1033.h" 36 #include "mantis_reg.h" 37 38 static u8 lgtdqcs001f_inittab[] = { 39 0x01, 0x15, 40 0x02, 0x30, 41 0x03, 0x00, 42 0x04, 0x2a, 43 0x05, 0x85, 44 0x06, 0x02, 45 0x07, 0x00, 46 0x08, 0x00, 47 0x0c, 0x01, 48 0x0d, 0x81, 49 0x0e, 0x44, 50 0x0f, 0x94, 51 0x10, 0x3c, 52 0x11, 0x84, 53 0x12, 0xb9, 54 0x13, 0xb5, 55 0x14, 0x4f, 56 0x15, 0xc9, 57 0x16, 0x80, 58 0x17, 0x36, 59 0x18, 0xfb, 60 0x19, 0xcf, 61 0x1a, 0xbc, 62 0x1c, 0x2b, 63 0x1d, 0x27, 64 0x1e, 0x00, 65 0x1f, 0x0b, 66 0x20, 0xa1, 67 0x21, 0x60, 68 0x22, 0x00, 69 0x23, 0x00, 70 0x28, 0x00, 71 0x29, 0x28, 72 0x2a, 0x14, 73 0x2b, 0x0f, 74 0x2c, 0x09, 75 0x2d, 0x05, 76 0x31, 0x1f, 77 0x32, 0x19, 78 0x33, 0xfc, 79 0x34, 0x13, 80 0xff, 0xff, 81 }; 82 83 #define MANTIS_MODEL_NAME "VP-1033" 84 #define MANTIS_DEV_TYPE "DVB-S/DSS" 85 86 static int lgtdqcs001f_tuner_set(struct dvb_frontend *fe) 87 { 88 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 89 struct mantis_pci *mantis = fe->dvb->priv; 90 struct i2c_adapter *adapter = &mantis->adapter; 91 92 u8 buf[4]; 93 u32 div; 94 95 96 struct i2c_msg msg = {.addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf)}; 97 98 div = p->frequency / 250; 99 100 buf[0] = (div >> 8) & 0x7f; 101 buf[1] = div & 0xff; 102 buf[2] = 0x83; 103 buf[3] = 0xc0; 104 105 if (p->frequency < 1531000) 106 buf[3] |= 0x04; 107 else 108 buf[3] &= ~0x04; 109 if (i2c_transfer(adapter, &msg, 1) < 0) { 110 dprintk(MANTIS_ERROR, 1, "Write: I2C Transfer failed"); 111 return -EIO; 112 } 113 msleep_interruptible(100); 114 115 return 0; 116 } 117 118 static int lgtdqcs001f_set_symbol_rate(struct dvb_frontend *fe, 119 u32 srate, u32 ratio) 120 { 121 u8 aclk = 0; 122 u8 bclk = 0; 123 124 if (srate < 1500000) { 125 aclk = 0xb7; 126 bclk = 0x47; 127 } else if (srate < 3000000) { 128 aclk = 0xb7; 129 bclk = 0x4b; 130 } else if (srate < 7000000) { 131 aclk = 0xb7; 132 bclk = 0x4f; 133 } else if (srate < 14000000) { 134 aclk = 0xb7; 135 bclk = 0x53; 136 } else if (srate < 30000000) { 137 aclk = 0xb6; 138 bclk = 0x53; 139 } else if (srate < 45000000) { 140 aclk = 0xb4; 141 bclk = 0x51; 142 } 143 stv0299_writereg(fe, 0x13, aclk); 144 stv0299_writereg(fe, 0x14, bclk); 145 146 stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff); 147 stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff); 148 stv0299_writereg(fe, 0x21, ratio & 0xf0); 149 150 return 0; 151 } 152 153 static struct stv0299_config lgtdqcs001f_config = { 154 .demod_address = 0x68, 155 .inittab = lgtdqcs001f_inittab, 156 .mclk = 88000000UL, 157 .invert = 0, 158 .skip_reinit = 0, 159 .volt13_op0_op1 = STV0299_VOLT13_OP0, 160 .min_delay_ms = 100, 161 .set_symbol_rate = lgtdqcs001f_set_symbol_rate, 162 }; 163 164 static int vp1033_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe) 165 { 166 struct i2c_adapter *adapter = &mantis->adapter; 167 168 int err = 0; 169 170 err = mantis_frontend_power(mantis, POWER_ON); 171 if (err == 0) { 172 mantis_frontend_soft_reset(mantis); 173 msleep(250); 174 175 dprintk(MANTIS_ERROR, 1, "Probing for STV0299 (DVB-S)"); 176 fe = dvb_attach(stv0299_attach, &lgtdqcs001f_config, adapter); 177 178 if (fe) { 179 fe->ops.tuner_ops.set_params = lgtdqcs001f_tuner_set; 180 dprintk(MANTIS_ERROR, 1, "found STV0299 DVB-S frontend @ 0x%02x", 181 lgtdqcs001f_config.demod_address); 182 183 dprintk(MANTIS_ERROR, 1, "Mantis DVB-S STV0299 frontend attach success"); 184 } else { 185 return -1; 186 } 187 } else { 188 dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>", 189 adapter->name, 190 err); 191 192 return -EIO; 193 } 194 mantis->fe = fe; 195 dprintk(MANTIS_ERROR, 1, "Done!"); 196 197 return 0; 198 } 199 200 struct mantis_hwconfig vp1033_config = { 201 .model_name = MANTIS_MODEL_NAME, 202 .dev_type = MANTIS_DEV_TYPE, 203 .ts_size = MANTIS_TS_204, 204 205 .baud_rate = MANTIS_BAUD_9600, 206 .parity = MANTIS_PARITY_NONE, 207 .bytes = 0, 208 209 .frontend_init = vp1033_frontend_init, 210 .power = GPIF_A12, 211 .reset = GPIF_A13, 212 }; 213