1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 Mantis VP-1033 driver 4 5 Copyright (C) Manu Abraham (abraham.manu@gmail.com) 6 7 */ 8 9 #include <linux/signal.h> 10 #include <linux/sched.h> 11 #include <linux/interrupt.h> 12 13 #include <media/dmxdev.h> 14 #include <media/dvbdev.h> 15 #include <media/dvb_demux.h> 16 #include <media/dvb_frontend.h> 17 #include <media/dvb_net.h> 18 19 #include "stv0299.h" 20 #include "mantis_common.h" 21 #include "mantis_ioc.h" 22 #include "mantis_dvb.h" 23 #include "mantis_vp1033.h" 24 #include "mantis_reg.h" 25 26 static u8 lgtdqcs001f_inittab[] = { 27 0x01, 0x15, 28 0x02, 0x30, 29 0x03, 0x00, 30 0x04, 0x2a, 31 0x05, 0x85, 32 0x06, 0x02, 33 0x07, 0x00, 34 0x08, 0x00, 35 0x0c, 0x01, 36 0x0d, 0x81, 37 0x0e, 0x44, 38 0x0f, 0x94, 39 0x10, 0x3c, 40 0x11, 0x84, 41 0x12, 0xb9, 42 0x13, 0xb5, 43 0x14, 0x4f, 44 0x15, 0xc9, 45 0x16, 0x80, 46 0x17, 0x36, 47 0x18, 0xfb, 48 0x19, 0xcf, 49 0x1a, 0xbc, 50 0x1c, 0x2b, 51 0x1d, 0x27, 52 0x1e, 0x00, 53 0x1f, 0x0b, 54 0x20, 0xa1, 55 0x21, 0x60, 56 0x22, 0x00, 57 0x23, 0x00, 58 0x28, 0x00, 59 0x29, 0x28, 60 0x2a, 0x14, 61 0x2b, 0x0f, 62 0x2c, 0x09, 63 0x2d, 0x05, 64 0x31, 0x1f, 65 0x32, 0x19, 66 0x33, 0xfc, 67 0x34, 0x13, 68 0xff, 0xff, 69 }; 70 71 #define MANTIS_MODEL_NAME "VP-1033" 72 #define MANTIS_DEV_TYPE "DVB-S/DSS" 73 74 static int lgtdqcs001f_tuner_set(struct dvb_frontend *fe) 75 { 76 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 77 struct mantis_pci *mantis = fe->dvb->priv; 78 struct i2c_adapter *adapter = &mantis->adapter; 79 80 u8 buf[4]; 81 u32 div; 82 83 84 struct i2c_msg msg = {.addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf)}; 85 86 div = p->frequency / 250; 87 88 buf[0] = (div >> 8) & 0x7f; 89 buf[1] = div & 0xff; 90 buf[2] = 0x83; 91 buf[3] = 0xc0; 92 93 if (p->frequency < 1531000) 94 buf[3] |= 0x04; 95 else 96 buf[3] &= ~0x04; 97 if (i2c_transfer(adapter, &msg, 1) < 0) { 98 dprintk(MANTIS_ERROR, 1, "Write: I2C Transfer failed"); 99 return -EIO; 100 } 101 msleep_interruptible(100); 102 103 return 0; 104 } 105 106 static int lgtdqcs001f_set_symbol_rate(struct dvb_frontend *fe, 107 u32 srate, u32 ratio) 108 { 109 u8 aclk = 0; 110 u8 bclk = 0; 111 112 if (srate < 1500000) { 113 aclk = 0xb7; 114 bclk = 0x47; 115 } else if (srate < 3000000) { 116 aclk = 0xb7; 117 bclk = 0x4b; 118 } else if (srate < 7000000) { 119 aclk = 0xb7; 120 bclk = 0x4f; 121 } else if (srate < 14000000) { 122 aclk = 0xb7; 123 bclk = 0x53; 124 } else if (srate < 30000000) { 125 aclk = 0xb6; 126 bclk = 0x53; 127 } else if (srate < 45000000) { 128 aclk = 0xb4; 129 bclk = 0x51; 130 } 131 stv0299_writereg(fe, 0x13, aclk); 132 stv0299_writereg(fe, 0x14, bclk); 133 134 stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff); 135 stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff); 136 stv0299_writereg(fe, 0x21, ratio & 0xf0); 137 138 return 0; 139 } 140 141 static struct stv0299_config lgtdqcs001f_config = { 142 .demod_address = 0x68, 143 .inittab = lgtdqcs001f_inittab, 144 .mclk = 88000000UL, 145 .invert = 0, 146 .skip_reinit = 0, 147 .volt13_op0_op1 = STV0299_VOLT13_OP0, 148 .min_delay_ms = 100, 149 .set_symbol_rate = lgtdqcs001f_set_symbol_rate, 150 }; 151 152 static int vp1033_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe) 153 { 154 struct i2c_adapter *adapter = &mantis->adapter; 155 156 int err = 0; 157 158 err = mantis_frontend_power(mantis, POWER_ON); 159 if (err == 0) { 160 mantis_frontend_soft_reset(mantis); 161 msleep(250); 162 163 dprintk(MANTIS_ERROR, 1, "Probing for STV0299 (DVB-S)"); 164 fe = dvb_attach(stv0299_attach, &lgtdqcs001f_config, adapter); 165 166 if (fe) { 167 fe->ops.tuner_ops.set_params = lgtdqcs001f_tuner_set; 168 dprintk(MANTIS_ERROR, 1, "found STV0299 DVB-S frontend @ 0x%02x", 169 lgtdqcs001f_config.demod_address); 170 171 dprintk(MANTIS_ERROR, 1, "Mantis DVB-S STV0299 frontend attach success"); 172 } else { 173 return -1; 174 } 175 } else { 176 dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>", 177 adapter->name, 178 err); 179 180 return -EIO; 181 } 182 mantis->fe = fe; 183 dprintk(MANTIS_ERROR, 1, "Done!"); 184 185 return 0; 186 } 187 188 struct mantis_hwconfig vp1033_config = { 189 .model_name = MANTIS_MODEL_NAME, 190 .dev_type = MANTIS_DEV_TYPE, 191 .ts_size = MANTIS_TS_204, 192 193 .baud_rate = MANTIS_BAUD_9600, 194 .parity = MANTIS_PARITY_NONE, 195 .bytes = 0, 196 197 .frontend_init = vp1033_frontend_init, 198 .power = GPIF_A12, 199 .reset = GPIF_A13, 200 }; 201