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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 Mantis VP-1033 driver4 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 26static 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 74static 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 else96 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 106static 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 141static 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 152static 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 188struct 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