--- /dev/null
+/*
+ Mantis VP-2040 driver
+
+ Copyright (C) Manu Abraham (abraham.manu@gmail.com)
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+
+#include "dmxdev.h"
+#include "dvbdev.h"
+#include "dvb_demux.h"
+#include "dvb_frontend.h"
+#include "dvb_net.h"
+
+#include "tda1002x.h"
+#include "mantis_common.h"
+#include "mantis_ioc.h"
+#include "mantis_dvb.h"
+#include "mantis_vp2040.h"
+
+#define MANTIS_MODEL_NAME "VP-2040"
+#define MANTIS_DEV_TYPE "DVB-C"
+
+static struct tda1002x_config vp2040_tda1002x_cu1216_config = {
+ .demod_address = 0x18 >> 1,
+ .invert = 1,
+};
+
+static struct tda10023_config vp2040_tda10023_cu1216_config = {
+ .demod_address = 0x18 >> 1,
+ .invert = 1,
+};
+
+static int tda1002x_cu1216_tuner_set(struct dvb_frontend *fe)
+{
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ struct mantis_pci *mantis = fe->dvb->priv;
+ struct i2c_adapter *adapter = &mantis->adapter;
+
+ u8 buf[6];
+ struct i2c_msg msg = {.addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf)};
+ int i;
+
+#define CU1216_IF 36125000
+#define TUNER_MUL 62500
+
+ u32 div = (p->frequency + CU1216_IF + TUNER_MUL / 2) / TUNER_MUL;
+
+ buf[0] = (div >> 8) & 0x7f;
+ buf[1] = div & 0xff;
+ buf[2] = 0xce;
+ buf[3] = (p->frequency < 150000000 ? 0x01 :
+ p->frequency < 445000000 ? 0x02 : 0x04);
+ buf[4] = 0xde;
+ buf[5] = 0x20;
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+
+ if (i2c_transfer(adapter, &msg, 1) != 1)
+ return -EIO;
+
+ /* wait for the pll lock */
+ msg.flags = I2C_M_RD;
+ msg.len = 1;
+ for (i = 0; i < 20; i++) {
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+
+ if (i2c_transfer(adapter, &msg, 1) == 1 && (buf[0] & 0x40))
+ break;
+
+ msleep(10);
+ }
+
+ /* switch the charge pump to the lower current */
+ msg.flags = 0;
+ msg.len = 2;
+ msg.buf = &buf[2];
+ buf[2] &= ~0x40;
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+
+ if (i2c_transfer(adapter, &msg, 1) != 1)
+ return -EIO;
+
+ return 0;
+}
+
+static u8 read_pwm(struct mantis_pci *mantis)
+{
+ struct i2c_adapter *adapter = &mantis->adapter;
+
+ u8 b = 0xff;
+ u8 pwm;
+ struct i2c_msg msg[] = {
+ {.addr = 0x50, .flags = 0, .buf = &b, .len = 1},
+ {.addr = 0x50, .flags = I2C_M_RD, .buf = &pwm, .len = 1}
+ };
+
+ if ((i2c_transfer(adapter, msg, 2) != 2)
+ || (pwm == 0xff))
+ pwm = 0x48;
+
+ return pwm;
+}
+
+static int vp2040_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
+{
+ struct i2c_adapter *adapter = &mantis->adapter;
+
+ int err = 0;
+
+ err = mantis_frontend_power(mantis, POWER_ON);
+ if (err == 0) {
+ mantis_frontend_soft_reset(mantis);
+ msleep(250);
+
+ dprintk(MANTIS_ERROR, 1, "Probing for CU1216 (DVB-C)");
+ fe = dvb_attach(tda10021_attach, &vp2040_tda1002x_cu1216_config,
+ adapter,
+ read_pwm(mantis));
+
+ if (fe) {
+ dprintk(MANTIS_ERROR, 1,
+ "found Philips CU1216 DVB-C frontend (TDA10021) @ 0x%02x",
+ vp2040_tda1002x_cu1216_config.demod_address);
+ } else {
+ fe = dvb_attach(tda10023_attach, &vp2040_tda10023_cu1216_config,
+ adapter,
+ read_pwm(mantis));
+
+ if (fe) {
+ dprintk(MANTIS_ERROR, 1,
+ "found Philips CU1216 DVB-C frontend (TDA10023) @ 0x%02x",
+ vp2040_tda1002x_cu1216_config.demod_address);
+ }
+ }
+
+ if (fe) {
+ fe->ops.tuner_ops.set_params = tda1002x_cu1216_tuner_set;
+ dprintk(MANTIS_ERROR, 1, "Mantis DVB-C Philips CU1216 frontend attach success");
+ } else {
+ return -1;
+ }
+ } else {
+ dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
+ adapter->name,
+ err);
+
+ return -EIO;
+ }
+ mantis->fe = fe;
+ dprintk(MANTIS_DEBUG, 1, "Done!");
+
+ return 0;
+}
+
+struct mantis_hwconfig vp2040_config = {
+ .model_name = MANTIS_MODEL_NAME,
+ .dev_type = MANTIS_DEV_TYPE,
+ .ts_size = MANTIS_TS_204,
+
+ .baud_rate = MANTIS_BAUD_9600,
+ .parity = MANTIS_PARITY_NONE,
+ .bytes = 0,
+
+ .frontend_init = vp2040_frontend_init,
+ .power = GPIF_A12,
+ .reset = GPIF_A13,
+};
Code Review / kvmfornfv.git / blobdiff