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linuxdebug/drivers/media/pci/ngene/ngene-cards.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0-only
/*
* ngene-cards.c: nGene PCIe bridge driver - card specific info
*
* Copyright (C) 2005-2007 Micronas
*
* Copyright (C) 2008-2009 Ralph Metzler <rjkm@metzlerbros.de>
* Modifications for new nGene firmware,
* support for EEPROM-copying,
* support for new dual DVB-S2 card prototype
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/pci_ids.h>
#include "ngene.h"
/* demods/tuners */
#include "stv6110x.h"
#include "stv090x.h"
#include "lnbh24.h"
#include "lgdt330x.h"
#include "mt2131.h"
#include "tda18271c2dd.h"
#include "drxk.h"
#include "drxd.h"
#include "dvb-pll.h"
#include "stv0367.h"
#include "stv0367_priv.h"
#include "tda18212.h"
#include "cxd2841er.h"
#include "stv0910.h"
#include "stv6111.h"
#include "lnbh25.h"
/****************************************************************************/
/* I2C transfer functions used for demod/tuner probing***********************/
/****************************************************************************/
static int i2c_io(struct i2c_adapter *adapter, u8 adr,
u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen)
{
struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
.buf = wbuf, .len = wlen },
{.addr = adr, .flags = I2C_M_RD,
.buf = rbuf, .len = rlen } };
return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1;
}
static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 *data, int len)
{
struct i2c_msg msg = {.addr = adr, .flags = 0,
.buf = data, .len = len};
return (i2c_transfer(adap, &msg, 1) == 1) ? 0 : -1;
}
static int i2c_write_reg(struct i2c_adapter *adap, u8 adr,
u8 reg, u8 val)
{
u8 msg[2] = {reg, val};
return i2c_write(adap, adr, msg, 2);
}
static int i2c_read(struct i2c_adapter *adapter, u8 adr, u8 *val)
{
struct i2c_msg msgs[1] = {{.addr = adr, .flags = I2C_M_RD,
.buf = val, .len = 1 } };
return (i2c_transfer(adapter, msgs, 1) == 1) ? 0 : -1;
}
static int i2c_read_reg16(struct i2c_adapter *adapter, u8 adr,
u16 reg, u8 *val)
{
u8 msg[2] = {reg >> 8, reg & 0xff};
struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
.buf = msg, .len = 2},
{.addr = adr, .flags = I2C_M_RD,
.buf = val, .len = 1} };
return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1;
}
static int i2c_read_regs(struct i2c_adapter *adapter,
u8 adr, u8 reg, u8 *val, u8 len)
{
struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
.buf = &reg, .len = 1},
{.addr = adr, .flags = I2C_M_RD,
.buf = val, .len = len} };
return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1;
}
static int i2c_read_reg(struct i2c_adapter *adapter, u8 adr, u8 reg, u8 *val)
{
return i2c_read_regs(adapter, adr, reg, val, 1);
}
/****************************************************************************/
/* Demod/tuner attachment ***************************************************/
/****************************************************************************/
static struct i2c_adapter *i2c_adapter_from_chan(struct ngene_channel *chan)
{
/* tuner 1+2: i2c adapter #0, tuner 3+4: i2c adapter #1 */
if (chan->number < 2)
return &chan->dev->channel[0].i2c_adapter;
return &chan->dev->channel[1].i2c_adapter;
}
static int tuner_attach_stv6110(struct ngene_channel *chan)
{
struct device *pdev = &chan->dev->pci_dev->dev;
struct i2c_adapter *i2c = i2c_adapter_from_chan(chan);
struct stv090x_config *feconf = (struct stv090x_config *)
chan->dev->card_info->fe_config[chan->number];
struct stv6110x_config *tunerconf = (struct stv6110x_config *)
chan->dev->card_info->tuner_config[chan->number];
const struct stv6110x_devctl *ctl;
ctl = dvb_attach(stv6110x_attach, chan->fe, tunerconf, i2c);
if (ctl == NULL) {
dev_err(pdev, "No STV6110X found!\n");
return -ENODEV;
}
feconf->tuner_init = ctl->tuner_init;
feconf->tuner_sleep = ctl->tuner_sleep;
feconf->tuner_set_mode = ctl->tuner_set_mode;
feconf->tuner_set_frequency = ctl->tuner_set_frequency;
feconf->tuner_get_frequency = ctl->tuner_get_frequency;
feconf->tuner_set_bandwidth = ctl->tuner_set_bandwidth;
feconf->tuner_get_bandwidth = ctl->tuner_get_bandwidth;
feconf->tuner_set_bbgain = ctl->tuner_set_bbgain;
feconf->tuner_get_bbgain = ctl->tuner_get_bbgain;
feconf->tuner_set_refclk = ctl->tuner_set_refclk;
feconf->tuner_get_status = ctl->tuner_get_status;
return 0;
}
static int tuner_attach_stv6111(struct ngene_channel *chan)
{
struct device *pdev = &chan->dev->pci_dev->dev;
struct i2c_adapter *i2c = i2c_adapter_from_chan(chan);
struct dvb_frontend *fe;
u8 adr = 4 + ((chan->number & 1) ? 0x63 : 0x60);
fe = dvb_attach(stv6111_attach, chan->fe, i2c, adr);
if (!fe) {
fe = dvb_attach(stv6111_attach, chan->fe, i2c, adr & ~4);
if (!fe) {
dev_err(pdev, "stv6111_attach() failed!\n");
return -ENODEV;
}
}
return 0;
}
static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
{
struct ngene_channel *chan = fe->sec_priv;
int status;
if (enable) {
down(&chan->dev->pll_mutex);
status = chan->gate_ctrl(fe, 1);
} else {
status = chan->gate_ctrl(fe, 0);
up(&chan->dev->pll_mutex);
}
return status;
}
static int tuner_attach_tda18271(struct ngene_channel *chan)
{
struct device *pdev = &chan->dev->pci_dev->dev;
struct i2c_adapter *i2c = i2c_adapter_from_chan(chan);
struct dvb_frontend *fe;
if (chan->fe->ops.i2c_gate_ctrl)
chan->fe->ops.i2c_gate_ctrl(chan->fe, 1);
fe = dvb_attach(tda18271c2dd_attach, chan->fe, i2c, 0x60);
if (chan->fe->ops.i2c_gate_ctrl)
chan->fe->ops.i2c_gate_ctrl(chan->fe, 0);
if (!fe) {
dev_err(pdev, "No TDA18271 found!\n");
return -ENODEV;
}
return 0;
}
static int tuner_tda18212_ping(struct ngene_channel *chan,
struct i2c_adapter *i2c,
unsigned short adr)
{
struct device *pdev = &chan->dev->pci_dev->dev;
u8 tda_id[2];
u8 subaddr = 0x00;
dev_dbg(pdev, "stv0367-tda18212 tuner ping\n");
if (chan->fe->ops.i2c_gate_ctrl)
chan->fe->ops.i2c_gate_ctrl(chan->fe, 1);
if (i2c_read_regs(i2c, adr, subaddr, tda_id, sizeof(tda_id)) < 0)
dev_dbg(pdev, "tda18212 ping 1 fail\n");
if (i2c_read_regs(i2c, adr, subaddr, tda_id, sizeof(tda_id)) < 0)
dev_warn(pdev, "tda18212 ping failed, expect problems\n");
if (chan->fe->ops.i2c_gate_ctrl)
chan->fe->ops.i2c_gate_ctrl(chan->fe, 0);
return 0;
}
static int tuner_attach_tda18212(struct ngene_channel *chan, u32 dmdtype)
{
struct device *pdev = &chan->dev->pci_dev->dev;
struct i2c_adapter *i2c = i2c_adapter_from_chan(chan);
struct i2c_client *client;
struct tda18212_config config = {
.fe = chan->fe,
.if_dvbt_6 = 3550,
.if_dvbt_7 = 3700,
.if_dvbt_8 = 4150,
.if_dvbt2_6 = 3250,
.if_dvbt2_7 = 4000,
.if_dvbt2_8 = 4000,
.if_dvbc = 5000,
};
u8 addr = (chan->number & 1) ? 0x63 : 0x60;
/*
* due to a hardware quirk with the I2C gate on the stv0367+tda18212
* combo, the tda18212 must be probed by reading it's id _twice_ when
* cold started, or it very likely will fail.
*/
if (dmdtype == DEMOD_TYPE_STV0367)
tuner_tda18212_ping(chan, i2c, addr);
/* perform tuner probe/init/attach */
client = dvb_module_probe("tda18212", NULL, i2c, addr, &config);
if (!client)
goto err;
chan->i2c_client[0] = client;
chan->i2c_client_fe = 1;
return 0;
err:
dev_err(pdev, "TDA18212 tuner not found. Device is not fully operational.\n");
return -ENODEV;
}
static int tuner_attach_probe(struct ngene_channel *chan)
{
switch (chan->demod_type) {
case DEMOD_TYPE_STV090X:
return tuner_attach_stv6110(chan);
case DEMOD_TYPE_DRXK:
return tuner_attach_tda18271(chan);
case DEMOD_TYPE_STV0367:
case DEMOD_TYPE_SONY_CT2:
case DEMOD_TYPE_SONY_ISDBT:
case DEMOD_TYPE_SONY_C2T2:
case DEMOD_TYPE_SONY_C2T2I:
return tuner_attach_tda18212(chan, chan->demod_type);
case DEMOD_TYPE_STV0910:
return tuner_attach_stv6111(chan);
}
return -EINVAL;
}
static int demod_attach_stv0900(struct ngene_channel *chan)
{
struct device *pdev = &chan->dev->pci_dev->dev;
struct i2c_adapter *i2c = i2c_adapter_from_chan(chan);
struct stv090x_config *feconf = (struct stv090x_config *)
chan->dev->card_info->fe_config[chan->number];
chan->fe = dvb_attach(stv090x_attach, feconf, i2c,
(chan->number & 1) == 0 ? STV090x_DEMODULATOR_0
: STV090x_DEMODULATOR_1);
if (chan->fe == NULL) {
dev_err(pdev, "No STV0900 found!\n");
return -ENODEV;
}
/* store channel info */
if (feconf->tuner_i2c_lock)
chan->fe->analog_demod_priv = chan;
if (!dvb_attach(lnbh24_attach, chan->fe, i2c, 0,
0, chan->dev->card_info->lnb[chan->number])) {
dev_err(pdev, "No LNBH24 found!\n");
dvb_frontend_detach(chan->fe);
chan->fe = NULL;
return -ENODEV;
}
return 0;
}
static struct stv0910_cfg stv0910_p = {
.adr = 0x68,
.parallel = 1,
.rptlvl = 4,
.clk = 30000000,
.tsspeed = 0x28,
};
static struct lnbh25_config lnbh25_cfg = {
.i2c_address = 0x0c << 1,
.data2_config = LNBH25_TEN
};
static int demod_attach_stv0910(struct ngene_channel *chan,
struct i2c_adapter *i2c)
{
struct device *pdev = &chan->dev->pci_dev->dev;
struct stv0910_cfg cfg = stv0910_p;
struct lnbh25_config lnbcfg = lnbh25_cfg;
chan->fe = dvb_attach(stv0910_attach, i2c, &cfg, (chan->number & 1));
if (!chan->fe) {
cfg.adr = 0x6c;
chan->fe = dvb_attach(stv0910_attach, i2c,
&cfg, (chan->number & 1));
}
if (!chan->fe) {
dev_err(pdev, "stv0910_attach() failed!\n");
return -ENODEV;
}
/*
* attach lnbh25 - leftshift by one as the lnbh25 driver expects 8bit
* i2c addresses
*/
lnbcfg.i2c_address = (((chan->number & 1) ? 0x0d : 0x0c) << 1);
if (!dvb_attach(lnbh25_attach, chan->fe, &lnbcfg, i2c)) {
lnbcfg.i2c_address = (((chan->number & 1) ? 0x09 : 0x08) << 1);
if (!dvb_attach(lnbh25_attach, chan->fe, &lnbcfg, i2c)) {
dev_err(pdev, "lnbh25_attach() failed!\n");
dvb_frontend_detach(chan->fe);
chan->fe = NULL;
return -ENODEV;
}
}
return 0;
}
static struct stv0367_config ddb_stv0367_config[] = {
{
.demod_address = 0x1f,
.xtal = 27000000,
.if_khz = 0,
.if_iq_mode = FE_TER_NORMAL_IF_TUNER,
.ts_mode = STV0367_SERIAL_PUNCT_CLOCK,
.clk_pol = STV0367_CLOCKPOLARITY_DEFAULT,
}, {
.demod_address = 0x1e,
.xtal = 27000000,
.if_khz = 0,
.if_iq_mode = FE_TER_NORMAL_IF_TUNER,
.ts_mode = STV0367_SERIAL_PUNCT_CLOCK,
.clk_pol = STV0367_CLOCKPOLARITY_DEFAULT,
},
};
static int demod_attach_stv0367(struct ngene_channel *chan,
struct i2c_adapter *i2c)
{
struct device *pdev = &chan->dev->pci_dev->dev;
chan->fe = dvb_attach(stv0367ddb_attach,
&ddb_stv0367_config[(chan->number & 1)], i2c);
if (!chan->fe) {
dev_err(pdev, "stv0367ddb_attach() failed!\n");
return -ENODEV;
}
chan->fe->sec_priv = chan;
chan->gate_ctrl = chan->fe->ops.i2c_gate_ctrl;
chan->fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
return 0;
}
static int demod_attach_cxd28xx(struct ngene_channel *chan,
struct i2c_adapter *i2c, int osc24)
{
struct device *pdev = &chan->dev->pci_dev->dev;
struct cxd2841er_config cfg;
/* the cxd2841er driver expects 8bit/shifted I2C addresses */
cfg.i2c_addr = ((chan->number & 1) ? 0x6d : 0x6c) << 1;
cfg.xtal = osc24 ? SONY_XTAL_24000 : SONY_XTAL_20500;
cfg.flags = CXD2841ER_AUTO_IFHZ | CXD2841ER_EARLY_TUNE |
CXD2841ER_NO_WAIT_LOCK | CXD2841ER_NO_AGCNEG |
CXD2841ER_TSBITS | CXD2841ER_TS_SERIAL;
/* attach frontend */
chan->fe = dvb_attach(cxd2841er_attach_t_c, &cfg, i2c);
if (!chan->fe) {
dev_err(pdev, "CXD28XX attach failed!\n");
return -ENODEV;
}
chan->fe->sec_priv = chan;
chan->gate_ctrl = chan->fe->ops.i2c_gate_ctrl;
chan->fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
return 0;
}
static void cineS2_tuner_i2c_lock(struct dvb_frontend *fe, int lock)
{
struct ngene_channel *chan = fe->analog_demod_priv;
if (lock)
down(&chan->dev->pll_mutex);
else
up(&chan->dev->pll_mutex);
}
static int port_has_stv0900(struct i2c_adapter *i2c, int port)
{
u8 val;
if (i2c_read_reg16(i2c, 0x68+port/2, 0xf100, &val) < 0)
return 0;
return 1;
}
static int port_has_drxk(struct i2c_adapter *i2c, int port)
{
u8 val;
if (i2c_read(i2c, 0x29+port, &val) < 0)
return 0;
return 1;
}
static int port_has_stv0367(struct i2c_adapter *i2c)
{
u8 val;
if (i2c_read_reg16(i2c, 0x1e, 0xf000, &val) < 0)
return 0;
if (val != 0x60)
return 0;
if (i2c_read_reg16(i2c, 0x1f, 0xf000, &val) < 0)
return 0;
if (val != 0x60)
return 0;
return 1;
}
int ngene_port_has_cxd2099(struct i2c_adapter *i2c, u8 *type)
{
u8 val;
u8 probe[4] = { 0xe0, 0x00, 0x00, 0x00 }, data[4];
struct i2c_msg msgs[2] = {{ .addr = 0x40, .flags = 0,
.buf = probe, .len = 4 },
{ .addr = 0x40, .flags = I2C_M_RD,
.buf = data, .len = 4 } };
val = i2c_transfer(i2c, msgs, 2);
if (val != 2)
return 0;
if (data[0] == 0x02 && data[1] == 0x2b && data[3] == 0x43)
*type = 2;
else
*type = 1;
return 1;
}
static int demod_attach_drxk(struct ngene_channel *chan,
struct i2c_adapter *i2c)
{
struct device *pdev = &chan->dev->pci_dev->dev;
struct drxk_config config;
memset(&config, 0, sizeof(config));
config.microcode_name = "drxk_a3.mc";
config.qam_demod_parameter_count = 4;
config.adr = 0x29 + (chan->number ^ 2);
chan->fe = dvb_attach(drxk_attach, &config, i2c);
if (!chan->fe) {
dev_err(pdev, "No DRXK found!\n");
return -ENODEV;
}
chan->fe->sec_priv = chan;
chan->gate_ctrl = chan->fe->ops.i2c_gate_ctrl;
chan->fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
return 0;
}
/****************************************************************************/
/* XO2 related lists and functions ******************************************/
/****************************************************************************/
static char *xo2names[] = {
"DUAL DVB-S2",
"DUAL DVB-C/T/T2",
"DUAL DVB-ISDBT",
"DUAL DVB-C/C2/T/T2",
"DUAL ATSC",
"DUAL DVB-C/C2/T/T2/I",
};
static int init_xo2(struct ngene_channel *chan, struct i2c_adapter *i2c)
{
struct device *pdev = &chan->dev->pci_dev->dev;
u8 addr = 0x10;
u8 val, data[2];
int res;
res = i2c_read_regs(i2c, addr, 0x04, data, 2);
if (res < 0)
return res;
if (data[0] != 0x01) {
dev_info(pdev, "Invalid XO2 on channel %d\n", chan->number);
return -1;
}
i2c_read_reg(i2c, addr, 0x08, &val);
if (val != 0) {
i2c_write_reg(i2c, addr, 0x08, 0x00);
msleep(100);
}
/* Enable tuner power, disable pll, reset demods */
i2c_write_reg(i2c, addr, 0x08, 0x04);
usleep_range(2000, 3000);
/* Release demod resets */
i2c_write_reg(i2c, addr, 0x08, 0x07);
/*
* speed: 0=55,1=75,2=90,3=104 MBit/s
* Note: The ngene hardware must be run at 75 MBit/s compared
* to more modern ddbridge hardware which runs at 90 MBit/s,
* else there will be issues with the data transport and non-
* working secondary/slave demods/tuners.
*/
i2c_write_reg(i2c, addr, 0x09, 1);
i2c_write_reg(i2c, addr, 0x0a, 0x01);
i2c_write_reg(i2c, addr, 0x0b, 0x01);
usleep_range(2000, 3000);
/* Start XO2 PLL */
i2c_write_reg(i2c, addr, 0x08, 0x87);
return 0;
}
static int port_has_xo2(struct i2c_adapter *i2c, u8 *type, u8 *id)
{
u8 probe[1] = { 0x00 }, data[4];
u8 addr = 0x10;
*type = NGENE_XO2_TYPE_NONE;
if (i2c_io(i2c, addr, probe, 1, data, 4))
return 0;
if (data[0] == 'D' && data[1] == 'F') {
*id = data[2];
*type = NGENE_XO2_TYPE_DUOFLEX;
return 1;
}
if (data[0] == 'C' && data[1] == 'I') {
*id = data[2];
*type = NGENE_XO2_TYPE_CI;
return 1;
}
return 0;
}
/****************************************************************************/
/* Probing and port/channel handling ****************************************/
/****************************************************************************/
static int cineS2_probe(struct ngene_channel *chan)
{
struct device *pdev = &chan->dev->pci_dev->dev;
struct i2c_adapter *i2c = i2c_adapter_from_chan(chan);
struct stv090x_config *fe_conf;
u8 buf[3];
u8 xo2_type, xo2_id, xo2_demodtype;
u8 sony_osc24 = 0;
struct i2c_msg i2c_msg = { .flags = 0, .buf = buf };
int rc;
if (port_has_xo2(i2c, &xo2_type, &xo2_id)) {
xo2_id >>= 2;
dev_dbg(pdev, "XO2 on channel %d (type %d, id %d)\n",
chan->number, xo2_type, xo2_id);
switch (xo2_type) {
case NGENE_XO2_TYPE_DUOFLEX:
if (chan->number & 1)
dev_dbg(pdev,
"skipping XO2 init on odd channel %d",
chan->number);
else
init_xo2(chan, i2c);
xo2_demodtype = DEMOD_TYPE_XO2 + xo2_id;
switch (xo2_demodtype) {
case DEMOD_TYPE_SONY_CT2:
case DEMOD_TYPE_SONY_ISDBT:
case DEMOD_TYPE_SONY_C2T2:
case DEMOD_TYPE_SONY_C2T2I:
dev_info(pdev, "%s (XO2) on channel %d\n",
xo2names[xo2_id], chan->number);
chan->demod_type = xo2_demodtype;
if (xo2_demodtype == DEMOD_TYPE_SONY_C2T2I)
sony_osc24 = 1;
demod_attach_cxd28xx(chan, i2c, sony_osc24);
break;
case DEMOD_TYPE_STV0910:
dev_info(pdev, "%s (XO2) on channel %d\n",
xo2names[xo2_id], chan->number);
chan->demod_type = xo2_demodtype;
demod_attach_stv0910(chan, i2c);
break;
default:
dev_warn(pdev,
"Unsupported XO2 module on channel %d\n",
chan->number);
return -ENODEV;
}
break;
case NGENE_XO2_TYPE_CI:
dev_info(pdev, "DuoFlex CI modules not supported\n");
return -ENODEV;
default:
dev_info(pdev, "Unsupported XO2 module type\n");
return -ENODEV;
}
} else if (port_has_stv0900(i2c, chan->number)) {
chan->demod_type = DEMOD_TYPE_STV090X;
fe_conf = chan->dev->card_info->fe_config[chan->number];
/* demod found, attach it */
rc = demod_attach_stv0900(chan);
if (rc < 0 || chan->number < 2)
return rc;
/* demod #2: reprogram outputs DPN1 & DPN2 */
i2c_msg.addr = fe_conf->address;
i2c_msg.len = 3;
buf[0] = 0xf1;
switch (chan->number) {
case 2:
buf[1] = 0x5c;
buf[2] = 0xc2;
break;
case 3:
buf[1] = 0x61;
buf[2] = 0xcc;
break;
default:
return -ENODEV;
}
rc = i2c_transfer(i2c, &i2c_msg, 1);
if (rc != 1) {
dev_err(pdev, "Could not setup DPNx\n");
return -EIO;
}
} else if (port_has_drxk(i2c, chan->number^2)) {
chan->demod_type = DEMOD_TYPE_DRXK;
demod_attach_drxk(chan, i2c);
} else if (port_has_stv0367(i2c)) {
chan->demod_type = DEMOD_TYPE_STV0367;
dev_info(pdev, "STV0367 on channel %d\n", chan->number);
demod_attach_stv0367(chan, i2c);
} else {
dev_info(pdev, "No demod found on chan %d\n", chan->number);
return -ENODEV;
}
return 0;
}
static struct lgdt330x_config aver_m780 = {
.demod_chip = LGDT3303,
.serial_mpeg = 0x00, /* PARALLEL */
.clock_polarity_flip = 1,
};
static struct mt2131_config m780_tunerconfig = {
0xc0 >> 1
};
/* A single func to attach the demo and tuner, rather than
* use two sep funcs like the current design mandates.
*/
static int demod_attach_lg330x(struct ngene_channel *chan)
{
struct device *pdev = &chan->dev->pci_dev->dev;
chan->fe = dvb_attach(lgdt330x_attach, &aver_m780,
0xb2 >> 1, &chan->i2c_adapter);
if (chan->fe == NULL) {
dev_err(pdev, "No LGDT330x found!\n");
return -ENODEV;
}
dvb_attach(mt2131_attach, chan->fe, &chan->i2c_adapter,
&m780_tunerconfig, 0);
return (chan->fe) ? 0 : -ENODEV;
}
static int demod_attach_drxd(struct ngene_channel *chan)
{
struct device *pdev = &chan->dev->pci_dev->dev;
struct drxd_config *feconf;
feconf = chan->dev->card_info->fe_config[chan->number];
chan->fe = dvb_attach(drxd_attach, feconf, chan,
&chan->i2c_adapter, &chan->dev->pci_dev->dev);
if (!chan->fe) {
dev_err(pdev, "No DRXD found!\n");
return -ENODEV;
}
return 0;
}
static int tuner_attach_dtt7520x(struct ngene_channel *chan)
{
struct device *pdev = &chan->dev->pci_dev->dev;
struct drxd_config *feconf;
feconf = chan->dev->card_info->fe_config[chan->number];
if (!dvb_attach(dvb_pll_attach, chan->fe, feconf->pll_address,
&chan->i2c_adapter,
feconf->pll_type)) {
dev_err(pdev, "No pll(%d) found!\n", feconf->pll_type);
return -ENODEV;
}
return 0;
}
/****************************************************************************/
/* EEPROM TAGS **************************************************************/
/****************************************************************************/
#define MICNG_EE_START 0x0100
#define MICNG_EE_END 0x0FF0
#define MICNG_EETAG_END0 0x0000
#define MICNG_EETAG_END1 0xFFFF
/* 0x0001 - 0x000F reserved for housekeeping */
/* 0xFFFF - 0xFFFE reserved for housekeeping */
/* Micronas assigned tags
EEProm tags for hardware support */
#define MICNG_EETAG_DRXD1_OSCDEVIATION 0x1000 /* 2 Bytes data */
#define MICNG_EETAG_DRXD2_OSCDEVIATION 0x1001 /* 2 Bytes data */
#define MICNG_EETAG_MT2060_1_1STIF 0x1100 /* 2 Bytes data */
#define MICNG_EETAG_MT2060_2_1STIF 0x1101 /* 2 Bytes data */
/* Tag range for OEMs */
#define MICNG_EETAG_OEM_FIRST 0xC000
#define MICNG_EETAG_OEM_LAST 0xFFEF
static int i2c_write_eeprom(struct i2c_adapter *adapter,
u8 adr, u16 reg, u8 data)
{
struct device *pdev = adapter->dev.parent;
u8 m[3] = {(reg >> 8), (reg & 0xff), data};
struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = m,
.len = sizeof(m)};
if (i2c_transfer(adapter, &msg, 1) != 1) {
dev_err(pdev, "Error writing EEPROM!\n");
return -EIO;
}
return 0;
}
static int i2c_read_eeprom(struct i2c_adapter *adapter,
u8 adr, u16 reg, u8 *data, int len)
{
struct device *pdev = adapter->dev.parent;
u8 msg[2] = {(reg >> 8), (reg & 0xff)};
struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
.buf = msg, .len = 2 },
{.addr = adr, .flags = I2C_M_RD,
.buf = data, .len = len} };
if (i2c_transfer(adapter, msgs, 2) != 2) {
dev_err(pdev, "Error reading EEPROM\n");
return -EIO;
}
return 0;
}
static int ReadEEProm(struct i2c_adapter *adapter,
u16 Tag, u32 MaxLen, u8 *data, u32 *pLength)
{
struct device *pdev = adapter->dev.parent;
int status = 0;
u16 Addr = MICNG_EE_START, Length, tag = 0;
u8 EETag[3];
while (Addr + sizeof(u16) + 1 < MICNG_EE_END) {
if (i2c_read_eeprom(adapter, 0x50, Addr, EETag, sizeof(EETag)))
return -1;
tag = (EETag[0] << 8) | EETag[1];
if (tag == MICNG_EETAG_END0 || tag == MICNG_EETAG_END1)
return -1;
if (tag == Tag)
break;
Addr += sizeof(u16) + 1 + EETag[2];
}
if (Addr + sizeof(u16) + 1 + EETag[2] > MICNG_EE_END) {
dev_err(pdev, "Reached EOEE @ Tag = %04x Length = %3d\n",
tag, EETag[2]);
return -1;
}
Length = EETag[2];
if (Length > MaxLen)
Length = (u16) MaxLen;
if (Length > 0) {
Addr += sizeof(u16) + 1;
status = i2c_read_eeprom(adapter, 0x50, Addr, data, Length);
if (!status) {
*pLength = EETag[2];
#if 0
if (Length < EETag[2])
status = STATUS_BUFFER_OVERFLOW;
#endif
}
}
return status;
}
static int WriteEEProm(struct i2c_adapter *adapter,
u16 Tag, u32 Length, u8 *data)
{
struct device *pdev = adapter->dev.parent;
int status = 0;
u16 Addr = MICNG_EE_START;
u8 EETag[3];
u16 tag = 0;
int retry, i;
while (Addr + sizeof(u16) + 1 < MICNG_EE_END) {
if (i2c_read_eeprom(adapter, 0x50, Addr, EETag, sizeof(EETag)))
return -1;
tag = (EETag[0] << 8) | EETag[1];
if (tag == MICNG_EETAG_END0 || tag == MICNG_EETAG_END1)
return -1;
if (tag == Tag)
break;
Addr += sizeof(u16) + 1 + EETag[2];
}
if (Addr + sizeof(u16) + 1 + EETag[2] > MICNG_EE_END) {
dev_err(pdev, "Reached EOEE @ Tag = %04x Length = %3d\n",
tag, EETag[2]);
return -1;
}
if (Length > EETag[2])
return -EINVAL;
/* Note: We write the data one byte at a time to avoid
issues with page sizes. (which are different for
each manufacture and eeprom size)
*/
Addr += sizeof(u16) + 1;
for (i = 0; i < Length; i++, Addr++) {
status = i2c_write_eeprom(adapter, 0x50, Addr, data[i]);
if (status)
break;
/* Poll for finishing write cycle */
retry = 10;
while (retry) {
u8 Tmp;
msleep(50);
status = i2c_read_eeprom(adapter, 0x50, Addr, &Tmp, 1);
if (status)
break;
if (Tmp != data[i])
dev_err(pdev, "eeprom write error\n");
retry -= 1;
}
if (status) {
dev_err(pdev, "Timeout polling eeprom\n");
break;
}
}
return status;
}
static int eeprom_read_ushort(struct i2c_adapter *adapter, u16 tag, u16 *data)
{
int stat;
u8 buf[2];
u32 len = 0;
stat = ReadEEProm(adapter, tag, 2, buf, &len);
if (stat)
return stat;
if (len != 2)
return -EINVAL;
*data = (buf[0] << 8) | buf[1];
return 0;
}
static int eeprom_write_ushort(struct i2c_adapter *adapter, u16 tag, u16 data)
{
u8 buf[2];
buf[0] = data >> 8;
buf[1] = data & 0xff;
return WriteEEProm(adapter, tag, 2, buf);
}
static s16 osc_deviation(void *priv, s16 deviation, int flag)
{
struct ngene_channel *chan = priv;
struct device *pdev = &chan->dev->pci_dev->dev;
struct i2c_adapter *adap = &chan->i2c_adapter;
u16 data = 0;
if (flag) {
data = (u16) deviation;
dev_info(pdev, "write deviation %d\n",
deviation);
eeprom_write_ushort(adap, 0x1000 + chan->number, data);
} else {
if (eeprom_read_ushort(adap, 0x1000 + chan->number, &data))
data = 0;
dev_info(pdev, "read deviation %d\n",
(s16)data);
}
return (s16) data;
}
/****************************************************************************/
/* Switch control (I2C gates, etc.) *****************************************/
/****************************************************************************/
static struct stv090x_config fe_cineS2 = {
.device = STV0900,
.demod_mode = STV090x_DUAL,
.clk_mode = STV090x_CLK_EXT,
.xtal = 27000000,
.address = 0x68,
.ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
.ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
.repeater_level = STV090x_RPTLEVEL_16,
.adc1_range = STV090x_ADC_1Vpp,
.adc2_range = STV090x_ADC_1Vpp,
.diseqc_envelope_mode = true,
.tuner_i2c_lock = cineS2_tuner_i2c_lock,
};
static struct stv090x_config fe_cineS2_2 = {
.device = STV0900,
.demod_mode = STV090x_DUAL,
.clk_mode = STV090x_CLK_EXT,
.xtal = 27000000,
.address = 0x69,
.ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
.ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
.repeater_level = STV090x_RPTLEVEL_16,
.adc1_range = STV090x_ADC_1Vpp,
.adc2_range = STV090x_ADC_1Vpp,
.diseqc_envelope_mode = true,
.tuner_i2c_lock = cineS2_tuner_i2c_lock,
};
static struct stv6110x_config tuner_cineS2_0 = {
.addr = 0x60,
.refclk = 27000000,
.clk_div = 1,
};
static struct stv6110x_config tuner_cineS2_1 = {
.addr = 0x63,
.refclk = 27000000,
.clk_div = 1,
};
static const struct ngene_info ngene_info_cineS2 = {
.type = NGENE_SIDEWINDER,
.name = "Linux4Media cineS2 DVB-S2 Twin Tuner",
.io_type = {NGENE_IO_TSIN, NGENE_IO_TSIN},
.demod_attach = {demod_attach_stv0900, demod_attach_stv0900},
.tuner_attach = {tuner_attach_stv6110, tuner_attach_stv6110},
.fe_config = {&fe_cineS2, &fe_cineS2},
.tuner_config = {&tuner_cineS2_0, &tuner_cineS2_1},
.lnb = {0x0b, 0x08},
.tsf = {3, 3},
.fw_version = 18,
.msi_supported = true,
};
static const struct ngene_info ngene_info_satixS2 = {
.type = NGENE_SIDEWINDER,
.name = "Mystique SaTiX-S2 Dual",
.io_type = {NGENE_IO_TSIN, NGENE_IO_TSIN},
.demod_attach = {demod_attach_stv0900, demod_attach_stv0900},
.tuner_attach = {tuner_attach_stv6110, tuner_attach_stv6110},
.fe_config = {&fe_cineS2, &fe_cineS2},
.tuner_config = {&tuner_cineS2_0, &tuner_cineS2_1},
.lnb = {0x0b, 0x08},
.tsf = {3, 3},
.fw_version = 18,
.msi_supported = true,
};
static const struct ngene_info ngene_info_satixS2v2 = {
.type = NGENE_SIDEWINDER,
.name = "Mystique SaTiX-S2 Dual (v2)",
.io_type = {NGENE_IO_TSIN, NGENE_IO_TSIN, NGENE_IO_TSIN, NGENE_IO_TSIN,
NGENE_IO_TSOUT},
.demod_attach = {demod_attach_stv0900, demod_attach_stv0900, cineS2_probe, cineS2_probe},
.tuner_attach = {tuner_attach_stv6110, tuner_attach_stv6110, tuner_attach_probe, tuner_attach_probe},
.fe_config = {&fe_cineS2, &fe_cineS2, &fe_cineS2_2, &fe_cineS2_2},
.tuner_config = {&tuner_cineS2_0, &tuner_cineS2_1, &tuner_cineS2_0, &tuner_cineS2_1},
.lnb = {0x0a, 0x08, 0x0b, 0x09},
.tsf = {3, 3},
.fw_version = 18,
.msi_supported = true,
};
static const struct ngene_info ngene_info_cineS2v5 = {
.type = NGENE_SIDEWINDER,
.name = "Linux4Media cineS2 DVB-S2 Twin Tuner (v5)",
.io_type = {NGENE_IO_TSIN, NGENE_IO_TSIN, NGENE_IO_TSIN, NGENE_IO_TSIN,
NGENE_IO_TSOUT},
.demod_attach = {demod_attach_stv0900, demod_attach_stv0900, cineS2_probe, cineS2_probe},
.tuner_attach = {tuner_attach_stv6110, tuner_attach_stv6110, tuner_attach_probe, tuner_attach_probe},
.fe_config = {&fe_cineS2, &fe_cineS2, &fe_cineS2_2, &fe_cineS2_2},
.tuner_config = {&tuner_cineS2_0, &tuner_cineS2_1, &tuner_cineS2_0, &tuner_cineS2_1},
.lnb = {0x0a, 0x08, 0x0b, 0x09},
.tsf = {3, 3},
.fw_version = 18,
.msi_supported = true,
};
static const struct ngene_info ngene_info_duoFlex = {
.type = NGENE_SIDEWINDER,
.name = "Digital Devices DuoFlex PCIe or miniPCIe",
.io_type = {NGENE_IO_TSIN, NGENE_IO_TSIN, NGENE_IO_TSIN, NGENE_IO_TSIN,
NGENE_IO_TSOUT},
.demod_attach = {cineS2_probe, cineS2_probe, cineS2_probe, cineS2_probe},
.tuner_attach = {tuner_attach_probe, tuner_attach_probe, tuner_attach_probe, tuner_attach_probe},
.fe_config = {&fe_cineS2, &fe_cineS2, &fe_cineS2_2, &fe_cineS2_2},
.tuner_config = {&tuner_cineS2_0, &tuner_cineS2_1, &tuner_cineS2_0, &tuner_cineS2_1},
.lnb = {0x0a, 0x08, 0x0b, 0x09},
.tsf = {3, 3},
.fw_version = 18,
.msi_supported = true,
};
static const struct ngene_info ngene_info_m780 = {
.type = NGENE_APP,
.name = "Aver M780 ATSC/QAM-B",
/* Channel 0 is analog, which is currently unsupported */
.io_type = { NGENE_IO_NONE, NGENE_IO_TSIN },
.demod_attach = { NULL, demod_attach_lg330x },
/* Ensure these are NULL else the frame will call them (as funcs) */
.tuner_attach = { NULL, NULL, NULL, NULL },
.fe_config = { NULL, &aver_m780 },
.avf = { 0 },
/* A custom electrical interface config for the demod to bridge */
.tsf = { 4, 4 },
.fw_version = 15,
};
static struct drxd_config fe_terratec_dvbt_0 = {
.index = 0,
.demod_address = 0x70,
.demod_revision = 0xa2,
.demoda_address = 0x00,
.pll_address = 0x60,
.pll_type = DVB_PLL_THOMSON_DTT7520X,
.clock = 20000,
.osc_deviation = osc_deviation,
};
static struct drxd_config fe_terratec_dvbt_1 = {
.index = 1,
.demod_address = 0x71,
.demod_revision = 0xa2,
.demoda_address = 0x00,
.pll_address = 0x60,
.pll_type = DVB_PLL_THOMSON_DTT7520X,
.clock = 20000,
.osc_deviation = osc_deviation,
};
static const struct ngene_info ngene_info_terratec = {
.type = NGENE_TERRATEC,
.name = "Terratec Integra/Cinergy2400i Dual DVB-T",
.io_type = {NGENE_IO_TSIN, NGENE_IO_TSIN},
.demod_attach = {demod_attach_drxd, demod_attach_drxd},
.tuner_attach = {tuner_attach_dtt7520x, tuner_attach_dtt7520x},
.fe_config = {&fe_terratec_dvbt_0, &fe_terratec_dvbt_1},
.i2c_access = 1,
};
/****************************************************************************/
/****************************************************************************/
/* PCI Subsystem ID *********************************************************/
/****************************************************************************/
#define NGENE_ID(_subvend, _subdev, _driverdata) { \
.vendor = NGENE_VID, .device = NGENE_PID, \
.subvendor = _subvend, .subdevice = _subdev, \
.driver_data = (unsigned long) &_driverdata }
/****************************************************************************/
static const struct pci_device_id ngene_id_tbl[] = {
NGENE_ID(0x18c3, 0xab04, ngene_info_cineS2),
NGENE_ID(0x18c3, 0xab05, ngene_info_cineS2v5),
NGENE_ID(0x18c3, 0xabc3, ngene_info_cineS2),
NGENE_ID(0x18c3, 0xabc4, ngene_info_cineS2),
NGENE_ID(0x18c3, 0xdb01, ngene_info_satixS2),
NGENE_ID(0x18c3, 0xdb02, ngene_info_satixS2v2),
NGENE_ID(0x18c3, 0xdd00, ngene_info_cineS2v5),
NGENE_ID(0x18c3, 0xdd10, ngene_info_duoFlex),
NGENE_ID(0x18c3, 0xdd20, ngene_info_duoFlex),
NGENE_ID(0x1461, 0x062e, ngene_info_m780),
NGENE_ID(0x153b, 0x1167, ngene_info_terratec),
{0}
};
MODULE_DEVICE_TABLE(pci, ngene_id_tbl);
/****************************************************************************/
/* Init/Exit ****************************************************************/
/****************************************************************************/
static pci_ers_result_t ngene_error_detected(struct pci_dev *dev,
pci_channel_state_t state)
{
dev_err(&dev->dev, "PCI error\n");
if (state == pci_channel_io_perm_failure)
return PCI_ERS_RESULT_DISCONNECT;
if (state == pci_channel_io_frozen)
return PCI_ERS_RESULT_NEED_RESET;
return PCI_ERS_RESULT_CAN_RECOVER;
}
static pci_ers_result_t ngene_slot_reset(struct pci_dev *dev)
{
dev_info(&dev->dev, "slot reset\n");
return 0;
}
static void ngene_resume(struct pci_dev *dev)
{
dev_info(&dev->dev, "resume\n");
}
static const struct pci_error_handlers ngene_errors = {
.error_detected = ngene_error_detected,
.slot_reset = ngene_slot_reset,
.resume = ngene_resume,
};
static struct pci_driver ngene_pci_driver = {
.name = "ngene",
.id_table = ngene_id_tbl,
.probe = ngene_probe,
.remove = ngene_remove,
.err_handler = &ngene_errors,
.shutdown = ngene_shutdown,
};
static __init int module_init_ngene(void)
{
/* pr_*() since we don't have a device to use with dev_*() yet */
pr_info("nGene PCIE bridge driver, Copyright (C) 2005-2007 Micronas\n");
return pci_register_driver(&ngene_pci_driver);
}
static __exit void module_exit_ngene(void)
{
pci_unregister_driver(&ngene_pci_driver);
}
module_init(module_init_ngene);
module_exit(module_exit_ngene);
MODULE_DESCRIPTION("nGene");
MODULE_AUTHOR("Micronas, Ralph Metzler, Manfred Voelkel");
MODULE_LICENSE("GPL");