// SPDX-License-Identifier: GPL-2.0
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/*
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* Earthsoft PT3 driver
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*
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* Copyright (C) 2014 Akihiro Tsukada <tskd08@gmail.com>
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*/
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#include <linux/freezer.h>
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#include <linux/kernel.h>
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#include <linux/kthread.h>
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#include <linux/mutex.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/string.h>
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#include <linux/sched/signal.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 "pt3.h"
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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static bool one_adapter;
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module_param(one_adapter, bool, 0444);
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MODULE_PARM_DESC(one_adapter, "Place FE's together under one adapter.");
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static int num_bufs = 4;
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module_param(num_bufs, int, 0444);
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MODULE_PARM_DESC(num_bufs, "Number of DMA buffer (188KiB) per FE.");
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|
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static const struct i2c_algorithm pt3_i2c_algo = {
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.master_xfer = &pt3_i2c_master_xfer,
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.functionality = &pt3_i2c_functionality,
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};
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static const struct pt3_adap_config adap_conf[PT3_NUM_FE] = {
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{
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.demod_info = {
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I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x11),
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},
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.tuner_info = {
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I2C_BOARD_INFO("qm1d1c0042", 0x63),
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},
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.tuner_cfg.qm1d1c0042 = {
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.lpf = 1,
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},
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.init_freq = 1049480 - 300,
|
},
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{
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.demod_info = {
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I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x10),
|
},
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.tuner_info = {
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I2C_BOARD_INFO("mxl301rf", 0x62),
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},
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.init_freq = 515142857,
|
},
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{
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.demod_info = {
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I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x13),
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},
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.tuner_info = {
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I2C_BOARD_INFO("qm1d1c0042", 0x60),
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},
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.tuner_cfg.qm1d1c0042 = {
|
.lpf = 1,
|
},
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.init_freq = 1049480 + 300,
|
},
|
{
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.demod_info = {
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I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x12),
|
},
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.tuner_info = {
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I2C_BOARD_INFO("mxl301rf", 0x61),
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},
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.init_freq = 521142857,
|
},
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};
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|
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struct reg_val {
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u8 reg;
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u8 val;
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};
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static int
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pt3_demod_write(struct pt3_adapter *adap, const struct reg_val *data, int num)
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{
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struct i2c_msg msg;
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int i, ret;
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ret = 0;
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msg.addr = adap->i2c_demod->addr;
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msg.flags = 0;
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msg.len = 2;
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for (i = 0; i < num; i++) {
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msg.buf = (u8 *)&data[i];
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ret = i2c_transfer(adap->i2c_demod->adapter, &msg, 1);
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if (ret == 0)
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ret = -EREMOTE;
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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static inline void pt3_lnb_ctrl(struct pt3_board *pt3, bool on)
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{
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iowrite32((on ? 0x0f : 0x0c), pt3->regs[0] + REG_SYSTEM_W);
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}
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static inline struct pt3_adapter *pt3_find_adapter(struct dvb_frontend *fe)
|
{
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struct pt3_board *pt3;
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int i;
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|
if (one_adapter) {
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pt3 = fe->dvb->priv;
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for (i = 0; i < PT3_NUM_FE; i++)
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if (pt3->adaps[i]->fe == fe)
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return pt3->adaps[i];
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}
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return container_of(fe->dvb, struct pt3_adapter, dvb_adap);
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}
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/*
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* all 4 tuners in PT3 are packaged in a can module (Sharp VA4M6JC2103).
|
* it seems that they share the power lines and Amp power line and
|
* adaps[3] controls those powers.
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*/
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static int
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pt3_set_tuner_power(struct pt3_board *pt3, bool tuner_on, bool amp_on)
|
{
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struct reg_val rv = { 0x1e, 0x99 };
|
|
if (tuner_on)
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rv.val |= 0x40;
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if (amp_on)
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rv.val |= 0x04;
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return pt3_demod_write(pt3->adaps[PT3_NUM_FE - 1], &rv, 1);
|
}
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static int pt3_set_lna(struct dvb_frontend *fe)
|
{
|
struct pt3_adapter *adap;
|
struct pt3_board *pt3;
|
u32 val;
|
int ret;
|
|
/* LNA is shared btw. 2 TERR-tuners */
|
|
adap = pt3_find_adapter(fe);
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val = fe->dtv_property_cache.lna;
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if (val == LNA_AUTO || val == adap->cur_lna)
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return 0;
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|
pt3 = adap->dvb_adap.priv;
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if (mutex_lock_interruptible(&pt3->lock))
|
return -ERESTARTSYS;
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if (val)
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pt3->lna_on_cnt++;
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else
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pt3->lna_on_cnt--;
|
|
if (val && pt3->lna_on_cnt <= 1) {
|
pt3->lna_on_cnt = 1;
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ret = pt3_set_tuner_power(pt3, true, true);
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} else if (!val && pt3->lna_on_cnt <= 0) {
|
pt3->lna_on_cnt = 0;
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ret = pt3_set_tuner_power(pt3, true, false);
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} else
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ret = 0;
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mutex_unlock(&pt3->lock);
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adap->cur_lna = (val != 0);
|
return ret;
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}
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static int pt3_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage volt)
|
{
|
struct pt3_adapter *adap;
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struct pt3_board *pt3;
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bool on;
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/* LNB power is shared btw. 2 SAT-tuners */
|
|
adap = pt3_find_adapter(fe);
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on = (volt != SEC_VOLTAGE_OFF);
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if (on == adap->cur_lnb)
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return 0;
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adap->cur_lnb = on;
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pt3 = adap->dvb_adap.priv;
|
if (mutex_lock_interruptible(&pt3->lock))
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return -ERESTARTSYS;
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if (on)
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pt3->lnb_on_cnt++;
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else
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pt3->lnb_on_cnt--;
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if (on && pt3->lnb_on_cnt <= 1) {
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pt3->lnb_on_cnt = 1;
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pt3_lnb_ctrl(pt3, true);
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} else if (!on && pt3->lnb_on_cnt <= 0) {
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pt3->lnb_on_cnt = 0;
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pt3_lnb_ctrl(pt3, false);
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}
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mutex_unlock(&pt3->lock);
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return 0;
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}
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/* register values used in pt3_fe_init() */
|
|
static const struct reg_val init0_sat[] = {
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{ 0x03, 0x01 },
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{ 0x1e, 0x10 },
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};
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static const struct reg_val init0_ter[] = {
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{ 0x01, 0x40 },
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{ 0x1c, 0x10 },
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};
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static const struct reg_val cfg_sat[] = {
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{ 0x1c, 0x15 },
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{ 0x1f, 0x04 },
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};
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static const struct reg_val cfg_ter[] = {
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{ 0x1d, 0x01 },
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};
|
|
/*
|
* pt3_fe_init: initialize demod sub modules and ISDB-T tuners all at once.
|
*
|
* As for demod IC (TC90522) and ISDB-T tuners (MxL301RF),
|
* the i2c sequences for init'ing them are not public and hidden in a ROM,
|
* and include the board specific configurations as well.
|
* They are stored in a lump and cannot be taken out / accessed separately,
|
* thus cannot be moved to the FE/tuner driver.
|
*/
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static int pt3_fe_init(struct pt3_board *pt3)
|
{
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int i, ret;
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struct dvb_frontend *fe;
|
|
pt3_i2c_reset(pt3);
|
ret = pt3_init_all_demods(pt3);
|
if (ret < 0) {
|
dev_warn(&pt3->pdev->dev, "Failed to init demod chips\n");
|
return ret;
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}
|
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/* additional config? */
|
for (i = 0; i < PT3_NUM_FE; i++) {
|
fe = pt3->adaps[i]->fe;
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|
if (fe->ops.delsys[0] == SYS_ISDBS)
|
ret = pt3_demod_write(pt3->adaps[i],
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init0_sat, ARRAY_SIZE(init0_sat));
|
else
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ret = pt3_demod_write(pt3->adaps[i],
|
init0_ter, ARRAY_SIZE(init0_ter));
|
if (ret < 0) {
|
dev_warn(&pt3->pdev->dev,
|
"demod[%d] failed in init sequence0\n", i);
|
return ret;
|
}
|
ret = fe->ops.init(fe);
|
if (ret < 0)
|
return ret;
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}
|
|
usleep_range(2000, 4000);
|
ret = pt3_set_tuner_power(pt3, true, false);
|
if (ret < 0) {
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dev_warn(&pt3->pdev->dev, "Failed to control tuner module\n");
|
return ret;
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}
|
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/* output pin configuration */
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for (i = 0; i < PT3_NUM_FE; i++) {
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fe = pt3->adaps[i]->fe;
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if (fe->ops.delsys[0] == SYS_ISDBS)
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ret = pt3_demod_write(pt3->adaps[i],
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cfg_sat, ARRAY_SIZE(cfg_sat));
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else
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ret = pt3_demod_write(pt3->adaps[i],
|
cfg_ter, ARRAY_SIZE(cfg_ter));
|
if (ret < 0) {
|
dev_warn(&pt3->pdev->dev,
|
"demod[%d] failed in init sequence1\n", i);
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return ret;
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}
|
}
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usleep_range(4000, 6000);
|
|
for (i = 0; i < PT3_NUM_FE; i++) {
|
fe = pt3->adaps[i]->fe;
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if (fe->ops.delsys[0] != SYS_ISDBS)
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continue;
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/* init and wake-up ISDB-S tuners */
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ret = fe->ops.tuner_ops.init(fe);
|
if (ret < 0) {
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dev_warn(&pt3->pdev->dev,
|
"Failed to init SAT-tuner[%d]\n", i);
|
return ret;
|
}
|
}
|
ret = pt3_init_all_mxl301rf(pt3);
|
if (ret < 0) {
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dev_warn(&pt3->pdev->dev, "Failed to init TERR-tuners\n");
|
return ret;
|
}
|
|
ret = pt3_set_tuner_power(pt3, true, true);
|
if (ret < 0) {
|
dev_warn(&pt3->pdev->dev, "Failed to control tuner module\n");
|
return ret;
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}
|
|
/* Wake up all tuners and make an initial tuning,
|
* in order to avoid interference among the tuners in the module,
|
* according to the doc from the manufacturer.
|
*/
|
for (i = 0; i < PT3_NUM_FE; i++) {
|
fe = pt3->adaps[i]->fe;
|
ret = 0;
|
if (fe->ops.delsys[0] == SYS_ISDBT)
|
ret = fe->ops.tuner_ops.init(fe);
|
/* set only when called from pt3_probe(), not resume() */
|
if (ret == 0 && fe->dtv_property_cache.frequency == 0) {
|
fe->dtv_property_cache.frequency =
|
adap_conf[i].init_freq;
|
ret = fe->ops.tuner_ops.set_params(fe);
|
}
|
if (ret < 0) {
|
dev_warn(&pt3->pdev->dev,
|
"Failed in initial tuning of tuner[%d]\n", i);
|
return ret;
|
}
|
}
|
|
/* and sleep again, waiting to be opened by users. */
|
for (i = 0; i < PT3_NUM_FE; i++) {
|
fe = pt3->adaps[i]->fe;
|
if (fe->ops.tuner_ops.sleep)
|
ret = fe->ops.tuner_ops.sleep(fe);
|
if (ret < 0)
|
break;
|
if (fe->ops.sleep)
|
ret = fe->ops.sleep(fe);
|
if (ret < 0)
|
break;
|
if (fe->ops.delsys[0] == SYS_ISDBS)
|
fe->ops.set_voltage = &pt3_set_voltage;
|
else
|
fe->ops.set_lna = &pt3_set_lna;
|
}
|
if (i < PT3_NUM_FE) {
|
dev_warn(&pt3->pdev->dev, "FE[%d] failed to standby\n", i);
|
return ret;
|
}
|
return 0;
|
}
|
|
|
static int pt3_attach_fe(struct pt3_board *pt3, int i)
|
{
|
const struct i2c_board_info *info;
|
struct tc90522_config cfg;
|
struct i2c_client *cl;
|
struct dvb_adapter *dvb_adap;
|
int ret;
|
|
info = &adap_conf[i].demod_info;
|
cfg = adap_conf[i].demod_cfg;
|
cfg.tuner_i2c = NULL;
|
|
ret = -ENODEV;
|
cl = dvb_module_probe("tc90522", info->type, &pt3->i2c_adap,
|
info->addr, &cfg);
|
if (!cl)
|
return -ENODEV;
|
pt3->adaps[i]->i2c_demod = cl;
|
|
if (!strncmp(cl->name, TC90522_I2C_DEV_SAT,
|
strlen(TC90522_I2C_DEV_SAT))) {
|
struct qm1d1c0042_config tcfg;
|
|
tcfg = adap_conf[i].tuner_cfg.qm1d1c0042;
|
tcfg.fe = cfg.fe;
|
info = &adap_conf[i].tuner_info;
|
cl = dvb_module_probe("qm1d1c0042", info->type, cfg.tuner_i2c,
|
info->addr, &tcfg);
|
} else {
|
struct mxl301rf_config tcfg;
|
|
tcfg = adap_conf[i].tuner_cfg.mxl301rf;
|
tcfg.fe = cfg.fe;
|
info = &adap_conf[i].tuner_info;
|
cl = dvb_module_probe("mxl301rf", info->type, cfg.tuner_i2c,
|
info->addr, &tcfg);
|
}
|
if (!cl)
|
goto err_demod_module_release;
|
pt3->adaps[i]->i2c_tuner = cl;
|
|
dvb_adap = &pt3->adaps[one_adapter ? 0 : i]->dvb_adap;
|
ret = dvb_register_frontend(dvb_adap, cfg.fe);
|
if (ret < 0)
|
goto err_tuner_module_release;
|
pt3->adaps[i]->fe = cfg.fe;
|
return 0;
|
|
err_tuner_module_release:
|
dvb_module_release(pt3->adaps[i]->i2c_tuner);
|
err_demod_module_release:
|
dvb_module_release(pt3->adaps[i]->i2c_demod);
|
|
return ret;
|
}
|
|
|
static int pt3_fetch_thread(void *data)
|
{
|
struct pt3_adapter *adap = data;
|
ktime_t delay;
|
bool was_frozen;
|
|
#define PT3_INITIAL_BUF_DROPS 4
|
#define PT3_FETCH_DELAY 10
|
#define PT3_FETCH_DELAY_DELTA 2
|
|
pt3_init_dmabuf(adap);
|
adap->num_discard = PT3_INITIAL_BUF_DROPS;
|
|
dev_dbg(adap->dvb_adap.device, "PT3: [%s] started\n",
|
adap->thread->comm);
|
set_freezable();
|
while (!kthread_freezable_should_stop(&was_frozen)) {
|
if (was_frozen)
|
adap->num_discard = PT3_INITIAL_BUF_DROPS;
|
|
pt3_proc_dma(adap);
|
|
delay = ktime_set(0, PT3_FETCH_DELAY * NSEC_PER_MSEC);
|
set_current_state(TASK_UNINTERRUPTIBLE);
|
freezable_schedule_hrtimeout_range(&delay,
|
PT3_FETCH_DELAY_DELTA * NSEC_PER_MSEC,
|
HRTIMER_MODE_REL);
|
}
|
dev_dbg(adap->dvb_adap.device, "PT3: [%s] exited\n",
|
adap->thread->comm);
|
return 0;
|
}
|
|
static int pt3_start_streaming(struct pt3_adapter *adap)
|
{
|
struct task_struct *thread;
|
|
/* start fetching thread */
|
thread = kthread_run(pt3_fetch_thread, adap, "pt3-ad%i-dmx%i",
|
adap->dvb_adap.num, adap->dmxdev.dvbdev->id);
|
if (IS_ERR(thread)) {
|
int ret = PTR_ERR(thread);
|
|
adap->thread = NULL;
|
dev_warn(adap->dvb_adap.device,
|
"PT3 (adap:%d, dmx:%d): failed to start kthread\n",
|
adap->dvb_adap.num, adap->dmxdev.dvbdev->id);
|
return ret;
|
}
|
adap->thread = thread;
|
|
return pt3_start_dma(adap);
|
}
|
|
static int pt3_stop_streaming(struct pt3_adapter *adap)
|
{
|
int ret;
|
|
ret = pt3_stop_dma(adap);
|
if (ret)
|
dev_warn(adap->dvb_adap.device,
|
"PT3: failed to stop streaming of adap:%d/FE:%d\n",
|
adap->dvb_adap.num, adap->fe->id);
|
|
/* kill the fetching thread */
|
ret = kthread_stop(adap->thread);
|
adap->thread = NULL;
|
return ret;
|
}
|
|
static int pt3_start_feed(struct dvb_demux_feed *feed)
|
{
|
struct pt3_adapter *adap;
|
|
if (signal_pending(current))
|
return -EINTR;
|
|
adap = container_of(feed->demux, struct pt3_adapter, demux);
|
adap->num_feeds++;
|
if (adap->num_feeds > 1)
|
return 0;
|
|
return pt3_start_streaming(adap);
|
|
}
|
|
static int pt3_stop_feed(struct dvb_demux_feed *feed)
|
{
|
struct pt3_adapter *adap;
|
|
adap = container_of(feed->demux, struct pt3_adapter, demux);
|
|
adap->num_feeds--;
|
if (adap->num_feeds > 0 || !adap->thread)
|
return 0;
|
adap->num_feeds = 0;
|
|
return pt3_stop_streaming(adap);
|
}
|
|
|
static int pt3_alloc_adapter(struct pt3_board *pt3, int index)
|
{
|
int ret;
|
struct pt3_adapter *adap;
|
struct dvb_adapter *da;
|
|
adap = kzalloc(sizeof(*adap), GFP_KERNEL);
|
if (!adap)
|
return -ENOMEM;
|
|
pt3->adaps[index] = adap;
|
adap->adap_idx = index;
|
|
if (index == 0 || !one_adapter) {
|
ret = dvb_register_adapter(&adap->dvb_adap, "PT3 DVB",
|
THIS_MODULE, &pt3->pdev->dev, adapter_nr);
|
if (ret < 0) {
|
dev_err(&pt3->pdev->dev,
|
"failed to register adapter dev\n");
|
goto err_mem;
|
}
|
da = &adap->dvb_adap;
|
} else
|
da = &pt3->adaps[0]->dvb_adap;
|
|
adap->dvb_adap.priv = pt3;
|
adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
|
adap->demux.priv = adap;
|
adap->demux.feednum = 256;
|
adap->demux.filternum = 256;
|
adap->demux.start_feed = pt3_start_feed;
|
adap->demux.stop_feed = pt3_stop_feed;
|
ret = dvb_dmx_init(&adap->demux);
|
if (ret < 0) {
|
dev_err(&pt3->pdev->dev, "failed to init dmx dev\n");
|
goto err_adap;
|
}
|
|
adap->dmxdev.filternum = 256;
|
adap->dmxdev.demux = &adap->demux.dmx;
|
ret = dvb_dmxdev_init(&adap->dmxdev, da);
|
if (ret < 0) {
|
dev_err(&pt3->pdev->dev, "failed to init dmxdev\n");
|
goto err_demux;
|
}
|
|
ret = pt3_alloc_dmabuf(adap);
|
if (ret) {
|
dev_err(&pt3->pdev->dev, "failed to alloc DMA buffers\n");
|
goto err_dmabuf;
|
}
|
|
return 0;
|
|
err_dmabuf:
|
pt3_free_dmabuf(adap);
|
dvb_dmxdev_release(&adap->dmxdev);
|
err_demux:
|
dvb_dmx_release(&adap->demux);
|
err_adap:
|
if (index == 0 || !one_adapter)
|
dvb_unregister_adapter(da);
|
err_mem:
|
kfree(adap);
|
pt3->adaps[index] = NULL;
|
return ret;
|
}
|
|
static void pt3_cleanup_adapter(struct pt3_board *pt3, int index)
|
{
|
struct pt3_adapter *adap;
|
struct dmx_demux *dmx;
|
|
adap = pt3->adaps[index];
|
if (adap == NULL)
|
return;
|
|
/* stop demux kthread */
|
if (adap->thread)
|
pt3_stop_streaming(adap);
|
|
dmx = &adap->demux.dmx;
|
dmx->close(dmx);
|
if (adap->fe) {
|
adap->fe->callback = NULL;
|
if (adap->fe->frontend_priv)
|
dvb_unregister_frontend(adap->fe);
|
dvb_module_release(adap->i2c_tuner);
|
dvb_module_release(adap->i2c_demod);
|
}
|
pt3_free_dmabuf(adap);
|
dvb_dmxdev_release(&adap->dmxdev);
|
dvb_dmx_release(&adap->demux);
|
if (index == 0 || !one_adapter)
|
dvb_unregister_adapter(&adap->dvb_adap);
|
kfree(adap);
|
pt3->adaps[index] = NULL;
|
}
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static int pt3_suspend(struct device *dev)
|
{
|
struct pt3_board *pt3 = dev_get_drvdata(dev);
|
int i;
|
struct pt3_adapter *adap;
|
|
for (i = 0; i < PT3_NUM_FE; i++) {
|
adap = pt3->adaps[i];
|
if (adap->num_feeds > 0)
|
pt3_stop_dma(adap);
|
dvb_frontend_suspend(adap->fe);
|
pt3_free_dmabuf(adap);
|
}
|
|
pt3_lnb_ctrl(pt3, false);
|
pt3_set_tuner_power(pt3, false, false);
|
return 0;
|
}
|
|
static int pt3_resume(struct device *dev)
|
{
|
struct pt3_board *pt3 = dev_get_drvdata(dev);
|
int i, ret;
|
struct pt3_adapter *adap;
|
|
ret = pt3_fe_init(pt3);
|
if (ret)
|
return ret;
|
|
if (pt3->lna_on_cnt > 0)
|
pt3_set_tuner_power(pt3, true, true);
|
if (pt3->lnb_on_cnt > 0)
|
pt3_lnb_ctrl(pt3, true);
|
|
for (i = 0; i < PT3_NUM_FE; i++) {
|
adap = pt3->adaps[i];
|
dvb_frontend_resume(adap->fe);
|
ret = pt3_alloc_dmabuf(adap);
|
if (ret) {
|
dev_err(&pt3->pdev->dev, "failed to alloc DMA bufs\n");
|
continue;
|
}
|
if (adap->num_feeds > 0)
|
pt3_start_dma(adap);
|
}
|
|
return 0;
|
}
|
|
#endif /* CONFIG_PM_SLEEP */
|
|
|
static void pt3_remove(struct pci_dev *pdev)
|
{
|
struct pt3_board *pt3;
|
int i;
|
|
pt3 = pci_get_drvdata(pdev);
|
for (i = PT3_NUM_FE - 1; i >= 0; i--)
|
pt3_cleanup_adapter(pt3, i);
|
i2c_del_adapter(&pt3->i2c_adap);
|
kfree(pt3->i2c_buf);
|
pci_iounmap(pt3->pdev, pt3->regs[0]);
|
pci_iounmap(pt3->pdev, pt3->regs[1]);
|
pci_release_regions(pdev);
|
pci_disable_device(pdev);
|
kfree(pt3);
|
}
|
|
static int pt3_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
|
{
|
u8 rev;
|
u32 ver;
|
int i, ret;
|
struct pt3_board *pt3;
|
struct i2c_adapter *i2c;
|
|
if (pci_read_config_byte(pdev, PCI_REVISION_ID, &rev) || rev != 1)
|
return -ENODEV;
|
|
ret = pci_enable_device(pdev);
|
if (ret < 0)
|
return -ENODEV;
|
pci_set_master(pdev);
|
|
ret = pci_request_regions(pdev, DRV_NAME);
|
if (ret < 0)
|
goto err_disable_device;
|
|
ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
|
if (ret == 0)
|
dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
|
else {
|
ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
|
if (ret == 0)
|
dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
|
else {
|
dev_err(&pdev->dev, "Failed to set DMA mask\n");
|
goto err_release_regions;
|
}
|
dev_info(&pdev->dev, "Use 32bit DMA\n");
|
}
|
|
pt3 = kzalloc(sizeof(*pt3), GFP_KERNEL);
|
if (!pt3) {
|
ret = -ENOMEM;
|
goto err_release_regions;
|
}
|
pci_set_drvdata(pdev, pt3);
|
pt3->pdev = pdev;
|
mutex_init(&pt3->lock);
|
pt3->regs[0] = pci_ioremap_bar(pdev, 0);
|
pt3->regs[1] = pci_ioremap_bar(pdev, 2);
|
if (pt3->regs[0] == NULL || pt3->regs[1] == NULL) {
|
dev_err(&pdev->dev, "Failed to ioremap\n");
|
ret = -ENOMEM;
|
goto err_kfree;
|
}
|
|
ver = ioread32(pt3->regs[0] + REG_VERSION);
|
if ((ver >> 16) != 0x0301) {
|
dev_warn(&pdev->dev, "PT%d, I/F-ver.:%d not supported\n",
|
ver >> 24, (ver & 0x00ff0000) >> 16);
|
ret = -ENODEV;
|
goto err_iounmap;
|
}
|
|
pt3->num_bufs = clamp_val(num_bufs, MIN_DATA_BUFS, MAX_DATA_BUFS);
|
|
pt3->i2c_buf = kmalloc(sizeof(*pt3->i2c_buf), GFP_KERNEL);
|
if (pt3->i2c_buf == NULL) {
|
ret = -ENOMEM;
|
goto err_iounmap;
|
}
|
i2c = &pt3->i2c_adap;
|
i2c->owner = THIS_MODULE;
|
i2c->algo = &pt3_i2c_algo;
|
i2c->algo_data = NULL;
|
i2c->dev.parent = &pdev->dev;
|
strscpy(i2c->name, DRV_NAME, sizeof(i2c->name));
|
i2c_set_adapdata(i2c, pt3);
|
ret = i2c_add_adapter(i2c);
|
if (ret < 0)
|
goto err_i2cbuf;
|
|
for (i = 0; i < PT3_NUM_FE; i++) {
|
ret = pt3_alloc_adapter(pt3, i);
|
if (ret < 0)
|
break;
|
|
ret = pt3_attach_fe(pt3, i);
|
if (ret < 0)
|
break;
|
}
|
if (i < PT3_NUM_FE) {
|
dev_err(&pdev->dev, "Failed to create FE%d\n", i);
|
goto err_cleanup_adapters;
|
}
|
|
ret = pt3_fe_init(pt3);
|
if (ret < 0) {
|
dev_err(&pdev->dev, "Failed to init frontends\n");
|
i = PT3_NUM_FE - 1;
|
goto err_cleanup_adapters;
|
}
|
|
dev_info(&pdev->dev,
|
"successfully init'ed PT%d (fw:0x%02x, I/F:0x%02x)\n",
|
ver >> 24, (ver >> 8) & 0xff, (ver >> 16) & 0xff);
|
return 0;
|
|
err_cleanup_adapters:
|
while (i >= 0)
|
pt3_cleanup_adapter(pt3, i--);
|
i2c_del_adapter(i2c);
|
err_i2cbuf:
|
kfree(pt3->i2c_buf);
|
err_iounmap:
|
if (pt3->regs[0])
|
pci_iounmap(pdev, pt3->regs[0]);
|
if (pt3->regs[1])
|
pci_iounmap(pdev, pt3->regs[1]);
|
err_kfree:
|
kfree(pt3);
|
err_release_regions:
|
pci_release_regions(pdev);
|
err_disable_device:
|
pci_disable_device(pdev);
|
return ret;
|
|
}
|
|
static const struct pci_device_id pt3_id_table[] = {
|
{ PCI_DEVICE_SUB(0x1172, 0x4c15, 0xee8d, 0x0368) },
|
{ },
|
};
|
MODULE_DEVICE_TABLE(pci, pt3_id_table);
|
|
static SIMPLE_DEV_PM_OPS(pt3_pm_ops, pt3_suspend, pt3_resume);
|
|
static struct pci_driver pt3_driver = {
|
.name = DRV_NAME,
|
.probe = pt3_probe,
|
.remove = pt3_remove,
|
.id_table = pt3_id_table,
|
|
.driver.pm = &pt3_pm_ops,
|
};
|
|
module_pci_driver(pt3_driver);
|
|
MODULE_DESCRIPTION("Earthsoft PT3 Driver");
|
MODULE_AUTHOR("Akihiro TSUKADA");
|
MODULE_LICENSE("GPL");
|
