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dddvb/ddbridge/ddbridge-max.c

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/*
* ddbridge-max.c: Digital Devices MAX card line support functions
*
* Copyright (C) 2010-2017 Digital Devices GmbH
* Ralph Metzler <rjkm@metzlerbros.de>
* Marcus Metzler <mocm@metzlerbros.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 only, as published by the Free Software Foundation.
*
*
* 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, point your browser to
* http://www.gnu.org/copyleft/gpl.html
*/
#include "ddbridge.h"
#include "ddbridge-io.h"
#include "ddbridge-i2c.h"
/* MAX LNB interface related module parameters */
static int fmode;
module_param(fmode, int, 0444);
MODULE_PARM_DESC(fmode, "frontend emulation mode");
static int fmode_sat = -1;
module_param(fmode_sat, int, 0444);
MODULE_PARM_DESC(fmode_sat, "set frontend emulation mode sat");
static int old_quattro;
module_param(old_quattro, int, 0444);
MODULE_PARM_DESC(old_quattro, "old quattro LNB input order ");
/* MAX LNB interface related functions */
static int lnb_command(struct ddb *dev, u32 link, u32 lnb, u32 cmd)
{
u32 c, v = 0, tag = DDB_LINK_TAG(link);
v = LNB_TONE & (dev->link[link].lnb.tone << (15 - lnb));
ddbwritel(dev, cmd | v, tag | LNB_CONTROL(lnb));
for (c = 0; c < 10; c++) {
v = ddbreadl(dev, tag | LNB_CONTROL(lnb));
if ((v & LNB_BUSY) == 0)
break;
msleep(20);
}
if (c == 10)
dev_info(dev->dev,
"%s lnb = %08x cmd = %08x\n",
__func__, lnb, cmd);
return 0;
}
static int max_set_input_unlocked(struct dvb_frontend *fe, int in);
static int max_emulate_switch(struct dvb_frontend *fe,
u8 *cmd, u32 len)
{
int input;
if (len !=4)
return -1;
if ((cmd[0] != 0xe0) || (cmd[1] != 0x10) || (cmd[2] != 0x39))
return -1;
input = cmd[3] & 3;
max_set_input_unlocked(fe, input);
return 0;
}
static int max_send_master_cmd(struct dvb_frontend *fe,
struct dvb_diseqc_master_cmd *cmd)
{
struct ddb_input *input = fe->sec_priv;
struct ddb_port *port = input->port;
struct ddb *dev = port->dev;
struct ddb_dvb *dvb = &port->dvb[input->nr & 1];
u32 tag = DDB_LINK_TAG(port->lnr);
int i;
u32 fmode = dev->link[port->lnr].lnb.fmode;
if (fmode == 2 || fmode == 1)
return 0;
if (fmode == 4)
max_emulate_switch(fe, cmd->msg, cmd->msg_len);
if (dvb->diseqc_send_master_cmd)
dvb->diseqc_send_master_cmd(fe, cmd);
mutex_lock(&dev->link[port->lnr].lnb.lock);
ddbwritel(dev, 0, tag | LNB_BUF_LEVEL(dvb->input));
for (i = 0; i < cmd->msg_len; i++)
ddbwritel(dev, cmd->msg[i], tag | LNB_BUF_WRITE(dvb->input));
lnb_command(dev, port->lnr, dvb->input, LNB_CMD_DISEQC);
mutex_unlock(&dev->link[port->lnr].lnb.lock);
return 0;
}
static int lnb_send_diseqc(struct ddb *dev, u32 link, u32 input,
struct dvb_diseqc_master_cmd *cmd)
{
u32 tag = DDB_LINK_TAG(link);
int i;
ddbwritel(dev, 0, tag | LNB_BUF_LEVEL(input));
for (i = 0; i < cmd->msg_len; i++)
ddbwritel(dev, cmd->msg[i], tag | LNB_BUF_WRITE(input));
lnb_command(dev, link, input, LNB_CMD_DISEQC);
return 0;
}
static int lnb_set_sat(struct ddb *dev, u32 link,
u32 input, u32 sat, u32 band, u32 hor)
{
struct dvb_diseqc_master_cmd cmd = {
.msg = {0xe0, 0x10, 0x38, 0xf0, 0x00, 0x00},
.msg_len = 4
};
cmd.msg[3] = 0xf0 | (((sat << 2) & 0x0c) |
(band ? 1 : 0) | (hor ? 2 : 0));
return lnb_send_diseqc(dev, link, input, &cmd);
}
static int lnb_set_tone(struct ddb *dev, u32 link, u32 input,
enum fe_sec_tone_mode tone)
{
int s = 0;
u32 mask = (1ULL << input);
switch (tone) {
case SEC_TONE_OFF:
if (!(dev->link[link].lnb.tone & mask))
return 0;
dev->link[link].lnb.tone &= ~(1ULL << input);
break;
case SEC_TONE_ON:
if (dev->link[link].lnb.tone & mask)
return 0;
dev->link[link].lnb.tone |= (1ULL << input);
break;
default:
s = -EINVAL;
break;
}
if (!s)
s = lnb_command(dev, link, input, LNB_CMD_NOP);
return s;
}
static int lnb_set_voltage(struct ddb *dev, u32 link, u32 input,
enum fe_sec_voltage voltage)
{
int s = 0;
if (dev->link[link].lnb.oldvoltage[input] == voltage)
return 0;
switch (voltage) {
case SEC_VOLTAGE_OFF:
if (dev->link[link].lnb.voltage[input])
return 0;
lnb_command(dev, link, input, LNB_CMD_OFF);
break;
case SEC_VOLTAGE_13:
lnb_command(dev, link, input, LNB_CMD_LOW);
break;
case SEC_VOLTAGE_18:
lnb_command(dev, link, input, LNB_CMD_HIGH);
break;
default:
s = -EINVAL;
break;
}
dev->link[link].lnb.oldvoltage[input] = voltage;
return s;
}
static int max_set_input_unlocked(struct dvb_frontend *fe, int in)
{
struct ddb_input *input = fe->sec_priv;
struct ddb_port *port = input->port;
struct ddb *dev = port->dev;
struct ddb_dvb *dvb = &port->dvb[input->nr & 1];
int res = 0;
if (in > 3)
return -EINVAL;
if (dvb->input != in) {
u32 bit = (1ULL << input->nr);
u32 obit = dev->link[port->lnr].lnb.voltage[dvb->input] & bit;
dev->link[port->lnr].lnb.voltage[dvb->input] &= ~bit;
dvb->input = in;
dev->link[port->lnr].lnb.voltage[dvb->input] |= obit;
}
if (dvb->set_input)
res = dvb->set_input(fe, in);
return res;
}
static int max_set_input(struct dvb_frontend *fe, int in)
{
struct ddb_input *input = fe->sec_priv;
struct ddb_port *port = input->port;
struct ddb *dev = input->port->dev;
int res;
mutex_lock(&dev->link[port->lnr].lnb.lock);
res = max_set_input_unlocked(fe, in);
mutex_unlock(&dev->link[port->lnr].lnb.lock);
return res;
}
static int max_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone)
{
struct ddb_input *input = fe->sec_priv;
struct ddb_port *port = input->port;
struct ddb *dev = port->dev;
struct ddb_dvb *dvb = &port->dvb[input->nr & 1];
int tuner = 0;
int res = 0;
u32 fmode = dev->link[port->lnr].lnb.fmode;
mutex_lock(&dev->link[port->lnr].lnb.lock);
dvb->tone = tone;
switch (fmode) {
default:
case 0:
case 3:
res = lnb_set_tone(dev, port->lnr, dvb->input, tone);
break;
case 1:
case 2:
if (old_quattro) {
if (dvb->tone == SEC_TONE_ON)
tuner |= 2;
if (dvb->voltage == SEC_VOLTAGE_18)
tuner |= 1;
} else {
if (dvb->tone == SEC_TONE_ON)
tuner |= 1;
if (dvb->voltage == SEC_VOLTAGE_18)
tuner |= 2;
}
res = max_set_input_unlocked(fe, tuner);
break;
}
mutex_unlock(&dev->link[port->lnr].lnb.lock);
return res;
}
static int max_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage)
{
struct ddb_input *input = fe->sec_priv;
struct ddb_port *port = input->port;
struct ddb *dev = port->dev;
struct ddb_dvb *dvb = &port->dvb[input->nr & 1];
int tuner = 0;
u32 nv, ov = dev->link[port->lnr].lnb.voltages;
int res = 0;
u32 fmode = dev->link[port->lnr].lnb.fmode;
mutex_lock(&dev->link[port->lnr].lnb.lock);
dvb->voltage = voltage;
switch (fmode) {
case 3:
default:
case 0:
if (fmode == 3)
max_set_input_unlocked(fe, 0);
if (voltage == SEC_VOLTAGE_OFF)
dev->link[port->lnr].lnb.voltage[dvb->input] &=
~(1ULL << input->nr);
else
dev->link[port->lnr].lnb.voltage[dvb->input] |=
(1ULL << input->nr);
res = lnb_set_voltage(dev, port->lnr, dvb->input, voltage);
break;
case 1:
case 2:
if (voltage == SEC_VOLTAGE_OFF)
dev->link[port->lnr].lnb.voltages &=
~(1ULL << input->nr);
else
dev->link[port->lnr].lnb.voltages |=
(1ULL << input->nr);
nv = dev->link[port->lnr].lnb.voltages;
if (old_quattro) {
if (dvb->tone == SEC_TONE_ON)
tuner |= 2;
if (dvb->voltage == SEC_VOLTAGE_18)
tuner |= 1;
} else {
if (dvb->tone == SEC_TONE_ON)
tuner |= 1;
if (dvb->voltage == SEC_VOLTAGE_18)
tuner |= 2;
}
res = max_set_input_unlocked(fe, tuner);
if (nv != ov) {
if (nv) {
lnb_set_voltage(dev, port->lnr, 0,
SEC_VOLTAGE_13);
if (fmode == 1) {
lnb_set_voltage(dev, port->lnr, 0,
SEC_VOLTAGE_13);
if (old_quattro) {
lnb_set_voltage(dev,
port->lnr, 1,
SEC_VOLTAGE_18);
lnb_set_voltage(dev, port->lnr,
2,
SEC_VOLTAGE_13);
} else {
lnb_set_voltage(dev, port->lnr,
1,
SEC_VOLTAGE_13);
lnb_set_voltage(dev, port->lnr,
2,
SEC_VOLTAGE_18);
}
lnb_set_voltage(dev, port->lnr, 3,
SEC_VOLTAGE_18);
}
} else {
lnb_set_voltage(dev, port->lnr,
0, SEC_VOLTAGE_OFF);
if (fmode == 1) {
lnb_set_voltage(dev, port->lnr, 1,
SEC_VOLTAGE_OFF);
lnb_set_voltage(dev, port->lnr, 2,
SEC_VOLTAGE_OFF);
lnb_set_voltage(dev, port->lnr, 3,
SEC_VOLTAGE_OFF);
}
}
}
break;
}
mutex_unlock(&dev->link[port->lnr].lnb.lock);
return res;
}
static int max_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
{
struct ddb_input *input = fe->sec_priv;
struct ddb_port *port = input->port;
struct ddb *dev = port->dev;
u32 tag = DDB_LINK_TAG(port->lnr);
struct ddb_dvb *dvb = &port->dvb[input->nr & 1];
u32 fmode = dev->link[port->lnr].lnb.fmode;
mutex_lock(&dev->link[port->lnr].lnb.lock);
switch (fmode) {
default:
case 0:
case 3:
ddbwritel(dev, arg ? 0x34 : 0x01, tag | LNB_CONTROL(dvb->input));
break;
case 1:
case 2:
ddbwritel(dev, arg ? 0x34 : 0x01, tag | LNB_CONTROL(0));
ddbwritel(dev, arg ? 0x34 : 0x01, tag | LNB_CONTROL(1));
ddbwritel(dev, arg ? 0x34 : 0x01, tag | LNB_CONTROL(2));
ddbwritel(dev, arg ? 0x34 : 0x01, tag | LNB_CONTROL(3));
break;
}
mutex_unlock(&dev->link[port->lnr].lnb.lock);
return 0;
}
static int max_send_burst(struct dvb_frontend *fe, enum fe_sec_mini_cmd burst)
{
return 0;
}
static int mxl_fw_read(void *priv, u8 *buf, u32 len)
{
struct ddb_link *link = priv;
struct ddb *dev = link->dev;
dev_info(dev->dev,
"Read mxl_fw from link %u\n", link->nr);
return ddbridge_flashread(dev, link->nr, buf, 0xc0000, len);
}
int ddb_lnb_init_fmode(struct ddb *dev, struct ddb_link *link, u32 fm)
{
u32 l = link->nr;
if (link->lnb.fmode == fm)
return 0;
dev_info(dev->dev, "Set fmode link %u = %u\n", l, fm);
mutex_lock(&link->lnb.lock);
if (fm == 2 || fm == 1) {
if (fmode_sat >= 0) {
lnb_set_sat(dev, l, 0, fmode_sat, 0, 0);
if (old_quattro) {
lnb_set_sat(dev, l, 1, fmode_sat, 0, 1);
lnb_set_sat(dev, l, 2, fmode_sat, 1, 0);
} else {
lnb_set_sat(dev, l, 1, fmode_sat, 1, 0);
lnb_set_sat(dev, l, 2, fmode_sat, 0, 1);
}
lnb_set_sat(dev, l, 3, fmode_sat, 1, 1);
}
lnb_set_tone(dev, l, 0, SEC_TONE_OFF);
if (old_quattro) {
lnb_set_tone(dev, l, 1, SEC_TONE_OFF);
lnb_set_tone(dev, l, 2, SEC_TONE_ON);
} else {
lnb_set_tone(dev, l, 1, SEC_TONE_ON);
lnb_set_tone(dev, l, 2, SEC_TONE_OFF);
}
lnb_set_tone(dev, l, 3, SEC_TONE_ON);
}
link->lnb.fmode = fm;
mutex_unlock(&link->lnb.lock);
return 0;
}
/* MAXS8 related functions */
static struct mxl5xx_cfg mxl5xx = {
.adr = 0x60,
.type = 0x01,
.clk = 27000000,
.ts_clk = 139,
.cap = 12,
.fw_read = mxl_fw_read,
};
int ddb_fe_attach_mxl5xx(struct ddb_input *input)
{
struct ddb *dev = input->port->dev;
struct i2c_adapter *i2c = &input->port->i2c->adap;
struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
struct ddb_port *port = input->port;
struct ddb_link *link = &dev->link[port->lnr];
struct mxl5xx_cfg cfg;
int demod, tuner;
cfg = mxl5xx;
cfg.fw_priv = link;
if (dev->link[0].info->type == DDB_OCTONET)
;/*cfg.ts_clk = 69;*/
demod = input->nr;
tuner = demod & 3;
if (fmode >= 3)
tuner = 0;
dvb->fe = dvb_attach(mxl5xx_attach, i2c, &cfg, demod, tuner);
if (!dvb->fe) {
dev_err(dev->dev, "No MXL5XX found!\n");
return -ENODEV;
}
if (input->nr < 4) {
lnb_command(dev, port->lnr, input->nr, LNB_CMD_INIT);
lnb_set_voltage(dev, port->lnr, input->nr, SEC_VOLTAGE_OFF);
}
ddb_lnb_init_fmode(dev, link, fmode);
dvb->fe->ops.set_voltage = max_set_voltage;
dvb->fe->ops.enable_high_lnb_voltage = max_enable_high_lnb_voltage;
dvb->fe->ops.set_tone = max_set_tone;
dvb->diseqc_send_master_cmd = dvb->fe->ops.diseqc_send_master_cmd;
dvb->fe->ops.diseqc_send_master_cmd = max_send_master_cmd;
dvb->fe->ops.diseqc_send_burst = max_send_burst;
dvb->fe->sec_priv = input;
dvb->set_input = dvb->fe->ops.set_input;
dvb->fe->ops.set_input = max_set_input;
dvb->input = tuner;
return 0;
}
/* MAX MCI related functions */
extern struct mci_cfg ddb_max_sx8_cfg;
extern struct mci_cfg ddb_max_m4_cfg;
int ddb_fe_attach_mci(struct ddb_input *input, u32 type)
{
struct ddb *dev = input->port->dev;
struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
struct ddb_port *port = input->port;
struct ddb_link *link = &dev->link[port->lnr];
int demod, tuner;
struct mci_cfg cfg;
int fm = fmode;
demod = input->nr;
tuner = demod & 3;
switch (type) {
case DDB_TUNER_MCI_SX8:
cfg = ddb_max_sx8_cfg;
if (fm >= 3)
tuner = 0;
break;
case DDB_TUNER_MCI_M4:
fm = 0;
cfg = ddb_max_m4_cfg;
break;
default:
return -EINVAL;
}
dvb->fe = ddb_mci_attach(input, &cfg, demod, tuner);
if (!dvb->fe) {
dev_err(dev->dev, "No MCI card found!\n");
return -ENODEV;
}
if (input->nr < 4) {
lnb_command(dev, port->lnr, input->nr, LNB_CMD_INIT);
lnb_set_voltage(dev, port->lnr, input->nr, SEC_VOLTAGE_OFF);
}
ddb_lnb_init_fmode(dev, link, fm);
dvb->fe->ops.set_voltage = max_set_voltage;
dvb->fe->ops.enable_high_lnb_voltage = max_enable_high_lnb_voltage;
dvb->fe->ops.set_tone = max_set_tone;
dvb->diseqc_send_master_cmd = dvb->fe->ops.diseqc_send_master_cmd;
dvb->fe->ops.diseqc_send_master_cmd = max_send_master_cmd;
dvb->fe->ops.diseqc_send_burst = max_send_burst;
dvb->fe->sec_priv = input;
switch (type) {
case DDB_TUNER_MCI_M4:
break;
default:
dvb->set_input = dvb->fe->ops.set_input;
dvb->fe->ops.set_input = max_set_input;
break;
}
dvb->input = tuner;
return 0;
}
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