201 lines
3.9 KiB
C
201 lines
3.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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Mantis VP-1033 driver
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Copyright (C) Manu Abraham (abraham.manu@gmail.com)
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*/
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#include <linux/signal.h>
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#include <linux/sched.h>
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#include <linux/interrupt.h>
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#include <media/dmxdev.h>
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#include <media/dvbdev.h>
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#include <media/dvb_demux.h>
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#include <media/dvb_frontend.h>
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#include <media/dvb_net.h>
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#include "stv0299.h"
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#include "mantis_common.h"
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#include "mantis_ioc.h"
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#include "mantis_dvb.h"
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#include "mantis_vp1033.h"
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#include "mantis_reg.h"
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static u8 lgtdqcs001f_inittab[] = {
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0x01, 0x15,
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0x02, 0x30,
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0x03, 0x00,
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0x04, 0x2a,
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0x05, 0x85,
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0x06, 0x02,
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0x07, 0x00,
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0x08, 0x00,
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0x0c, 0x01,
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0x0d, 0x81,
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0x0e, 0x44,
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0x0f, 0x94,
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0x10, 0x3c,
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0x11, 0x84,
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0x12, 0xb9,
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0x13, 0xb5,
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0x14, 0x4f,
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0x15, 0xc9,
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0x16, 0x80,
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0x17, 0x36,
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0x18, 0xfb,
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0x19, 0xcf,
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0x1a, 0xbc,
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0x1c, 0x2b,
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0x1d, 0x27,
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0x1e, 0x00,
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0x1f, 0x0b,
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0x20, 0xa1,
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0x21, 0x60,
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0x22, 0x00,
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0x23, 0x00,
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0x28, 0x00,
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0x29, 0x28,
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0x2a, 0x14,
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0x2b, 0x0f,
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0x2c, 0x09,
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0x2d, 0x05,
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0x31, 0x1f,
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0x32, 0x19,
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0x33, 0xfc,
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0x34, 0x13,
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0xff, 0xff,
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};
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#define MANTIS_MODEL_NAME "VP-1033"
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#define MANTIS_DEV_TYPE "DVB-S/DSS"
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static int lgtdqcs001f_tuner_set(struct dvb_frontend *fe)
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{
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struct dtv_frontend_properties *p = &fe->dtv_property_cache;
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struct mantis_pci *mantis = fe->dvb->priv;
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struct i2c_adapter *adapter = &mantis->adapter;
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u8 buf[4];
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u32 div;
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struct i2c_msg msg = {.addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf)};
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div = p->frequency / 250;
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buf[0] = (div >> 8) & 0x7f;
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buf[1] = div & 0xff;
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buf[2] = 0x83;
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buf[3] = 0xc0;
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if (p->frequency < 1531000)
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buf[3] |= 0x04;
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else
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buf[3] &= ~0x04;
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if (i2c_transfer(adapter, &msg, 1) < 0) {
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dprintk(MANTIS_ERROR, 1, "Write: I2C Transfer failed");
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return -EIO;
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}
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msleep_interruptible(100);
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return 0;
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}
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static int lgtdqcs001f_set_symbol_rate(struct dvb_frontend *fe,
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u32 srate, u32 ratio)
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{
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u8 aclk = 0;
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u8 bclk = 0;
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if (srate < 1500000) {
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aclk = 0xb7;
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bclk = 0x47;
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} else if (srate < 3000000) {
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aclk = 0xb7;
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bclk = 0x4b;
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} else if (srate < 7000000) {
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aclk = 0xb7;
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bclk = 0x4f;
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} else if (srate < 14000000) {
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aclk = 0xb7;
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bclk = 0x53;
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} else if (srate < 30000000) {
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aclk = 0xb6;
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bclk = 0x53;
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} else if (srate < 45000000) {
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aclk = 0xb4;
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bclk = 0x51;
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}
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stv0299_writereg(fe, 0x13, aclk);
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stv0299_writereg(fe, 0x14, bclk);
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stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
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stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
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stv0299_writereg(fe, 0x21, ratio & 0xf0);
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return 0;
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}
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static struct stv0299_config lgtdqcs001f_config = {
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.demod_address = 0x68,
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.inittab = lgtdqcs001f_inittab,
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.mclk = 88000000UL,
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.invert = 0,
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.skip_reinit = 0,
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.volt13_op0_op1 = STV0299_VOLT13_OP0,
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.min_delay_ms = 100,
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.set_symbol_rate = lgtdqcs001f_set_symbol_rate,
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};
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static int vp1033_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
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{
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struct i2c_adapter *adapter = &mantis->adapter;
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int err = 0;
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err = mantis_frontend_power(mantis, POWER_ON);
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if (err == 0) {
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mantis_frontend_soft_reset(mantis);
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msleep(250);
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dprintk(MANTIS_ERROR, 1, "Probing for STV0299 (DVB-S)");
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fe = dvb_attach(stv0299_attach, &lgtdqcs001f_config, adapter);
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if (fe) {
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fe->ops.tuner_ops.set_params = lgtdqcs001f_tuner_set;
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dprintk(MANTIS_ERROR, 1, "found STV0299 DVB-S frontend @ 0x%02x",
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lgtdqcs001f_config.demod_address);
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dprintk(MANTIS_ERROR, 1, "Mantis DVB-S STV0299 frontend attach success");
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} else {
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return -1;
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}
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} else {
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dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
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adapter->name,
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err);
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return -EIO;
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}
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mantis->fe = fe;
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dprintk(MANTIS_ERROR, 1, "Done!");
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return 0;
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}
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struct mantis_hwconfig vp1033_config = {
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.model_name = MANTIS_MODEL_NAME,
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.dev_type = MANTIS_DEV_TYPE,
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.ts_size = MANTIS_TS_204,
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.baud_rate = MANTIS_BAUD_9600,
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.parity = MANTIS_PARITY_NONE,
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.bytes = 0,
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.frontend_init = vp1033_frontend_init,
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.power = GPIF_A12,
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.reset = GPIF_A13,
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};
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