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linux-sg2042/drivers/media/pci/pt3/pt3.c

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/*
* Earthsoft PT3 driver
*
* Copyright (C) 2014 Akihiro Tsukada <tskd08@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 version 2.
*
*
* 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.
*/
#include <linux/freezer.h>
#include <linux/kernel.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/string.h>
#include <linux/sched/signal.h>
#include <media/dmxdev.h>
#include <media/dvbdev.h>
#include <media/dvb_demux.h>
#include <media/dvb_frontend.h>
#include "pt3.h"
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
static bool one_adapter;
module_param(one_adapter, bool, 0444);
MODULE_PARM_DESC(one_adapter, "Place FE's together under one adapter.");
static int num_bufs = 4;
module_param(num_bufs, int, 0444);
MODULE_PARM_DESC(num_bufs, "Number of DMA buffer (188KiB) per FE.");
static const struct i2c_algorithm pt3_i2c_algo = {
.master_xfer = &pt3_i2c_master_xfer,
.functionality = &pt3_i2c_functionality,
};
static const struct pt3_adap_config adap_conf[PT3_NUM_FE] = {
{
.demod_info = {
I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x11),
},
.tuner_info = {
I2C_BOARD_INFO("qm1d1c0042", 0x63),
},
.tuner_cfg.qm1d1c0042 = {
.lpf = 1,
},
.init_freq = 1049480 - 300,
},
{
.demod_info = {
I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x10),
},
.tuner_info = {
I2C_BOARD_INFO("mxl301rf", 0x62),
},
.init_freq = 515142857,
},
{
.demod_info = {
I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x13),
},
.tuner_info = {
I2C_BOARD_INFO("qm1d1c0042", 0x60),
},
.tuner_cfg.qm1d1c0042 = {
.lpf = 1,
},
.init_freq = 1049480 + 300,
},
{
.demod_info = {
I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x12),
},
.tuner_info = {
I2C_BOARD_INFO("mxl301rf", 0x61),
},
.init_freq = 521142857,
},
};
struct reg_val {
u8 reg;
u8 val;
};
static int
pt3_demod_write(struct pt3_adapter *adap, const struct reg_val *data, int num)
{
struct i2c_msg msg;
int i, ret;
ret = 0;
msg.addr = adap->i2c_demod->addr;
msg.flags = 0;
msg.len = 2;
for (i = 0; i < num; i++) {
msg.buf = (u8 *)&data[i];
ret = i2c_transfer(adap->i2c_demod->adapter, &msg, 1);
if (ret == 0)
ret = -EREMOTE;
if (ret < 0)
return ret;
}
return 0;
}
static inline void pt3_lnb_ctrl(struct pt3_board *pt3, bool on)
{
iowrite32((on ? 0x0f : 0x0c), pt3->regs[0] + REG_SYSTEM_W);
}
static inline struct pt3_adapter *pt3_find_adapter(struct dvb_frontend *fe)
{
struct pt3_board *pt3;
int i;
if (one_adapter) {
pt3 = fe->dvb->priv;
for (i = 0; i < PT3_NUM_FE; i++)
if (pt3->adaps[i]->fe == fe)
return pt3->adaps[i];
}
return container_of(fe->dvb, struct pt3_adapter, dvb_adap);
}
/*
* 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.
*/
static int
pt3_set_tuner_power(struct pt3_board *pt3, bool tuner_on, bool amp_on)
{
struct reg_val rv = { 0x1e, 0x99 };
if (tuner_on)
rv.val |= 0x40;
if (amp_on)
rv.val |= 0x04;
return pt3_demod_write(pt3->adaps[PT3_NUM_FE - 1], &rv, 1);
}
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);
val = fe->dtv_property_cache.lna;
if (val == LNA_AUTO || val == adap->cur_lna)
return 0;
pt3 = adap->dvb_adap.priv;
if (mutex_lock_interruptible(&pt3->lock))
return -ERESTARTSYS;
if (val)
pt3->lna_on_cnt++;
else
pt3->lna_on_cnt--;
if (val && pt3->lna_on_cnt <= 1) {
pt3->lna_on_cnt = 1;
ret = pt3_set_tuner_power(pt3, true, true);
} else if (!val && pt3->lna_on_cnt <= 0) {
pt3->lna_on_cnt = 0;
ret = pt3_set_tuner_power(pt3, true, false);
} else
ret = 0;
mutex_unlock(&pt3->lock);
adap->cur_lna = (val != 0);
return ret;
}
static int pt3_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage volt)
{
struct pt3_adapter *adap;
struct pt3_board *pt3;
bool on;
/* LNB power is shared btw. 2 SAT-tuners */
adap = pt3_find_adapter(fe);
on = (volt != SEC_VOLTAGE_OFF);
if (on == adap->cur_lnb)
return 0;
adap->cur_lnb = on;
pt3 = adap->dvb_adap.priv;
if (mutex_lock_interruptible(&pt3->lock))
return -ERESTARTSYS;
if (on)
pt3->lnb_on_cnt++;
else
pt3->lnb_on_cnt--;
if (on && pt3->lnb_on_cnt <= 1) {
pt3->lnb_on_cnt = 1;
pt3_lnb_ctrl(pt3, true);
} else if (!on && pt3->lnb_on_cnt <= 0) {
pt3->lnb_on_cnt = 0;
pt3_lnb_ctrl(pt3, false);
}
mutex_unlock(&pt3->lock);
return 0;
}
/* register values used in pt3_fe_init() */
static const struct reg_val init0_sat[] = {
{ 0x03, 0x01 },
{ 0x1e, 0x10 },
};
static const struct reg_val init0_ter[] = {
{ 0x01, 0x40 },
{ 0x1c, 0x10 },
};
static const struct reg_val cfg_sat[] = {
{ 0x1c, 0x15 },
{ 0x1f, 0x04 },
};
static const struct reg_val cfg_ter[] = {
{ 0x1d, 0x01 },
};
/*
* 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.
*/
static int pt3_fe_init(struct pt3_board *pt3)
{
int i, ret;
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;
}
/* additional config? */
for (i = 0; i < PT3_NUM_FE; i++) {
fe = pt3->adaps[i]->fe;
if (fe->ops.delsys[0] == SYS_ISDBS)
ret = pt3_demod_write(pt3->adaps[i],
init0_sat, ARRAY_SIZE(init0_sat));
else
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;
}
usleep_range(2000, 4000);
ret = pt3_set_tuner_power(pt3, true, false);
if (ret < 0) {
dev_warn(&pt3->pdev->dev, "Failed to control tuner module\n");
return ret;
}
/* output pin configuration */
for (i = 0; i < PT3_NUM_FE; i++) {
fe = pt3->adaps[i]->fe;
if (fe->ops.delsys[0] == SYS_ISDBS)
ret = pt3_demod_write(pt3->adaps[i],
cfg_sat, ARRAY_SIZE(cfg_sat));
else
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);
return ret;
}
}
usleep_range(4000, 6000);
for (i = 0; i < PT3_NUM_FE; i++) {
fe = pt3->adaps[i]->fe;
if (fe->ops.delsys[0] != SYS_ISDBS)
continue;
/* init and wake-up ISDB-S tuners */
ret = fe->ops.tuner_ops.init(fe);
if (ret < 0) {
dev_warn(&pt3->pdev->dev,
"Failed to init SAT-tuner[%d]\n", i);
return ret;
}
}
ret = pt3_init_all_mxl301rf(pt3);
if (ret < 0) {
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;
}
/* 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)
{
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;
info.platform_data = &cfg;
ret = -ENODEV;
request_module("tc90522");
cl = i2c_new_device(&pt3->i2c_adap, &info);
if (!cl || !cl->dev.driver)
return -ENODEV;
pt3->adaps[i]->i2c_demod = cl;
if (!try_module_get(cl->dev.driver->owner))
goto err_demod_i2c_unregister_device;
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;
info.platform_data = &tcfg;
request_module("qm1d1c0042");
cl = i2c_new_device(cfg.tuner_i2c, &info);
} else {
struct mxl301rf_config tcfg;
tcfg = adap_conf[i].tuner_cfg.mxl301rf;
tcfg.fe = cfg.fe;
info = adap_conf[i].tuner_info;
info.platform_data = &tcfg;
request_module("mxl301rf");
cl = i2c_new_device(cfg.tuner_i2c, &info);
}
if (!cl || !cl->dev.driver)
goto err_demod_module_put;
pt3->adaps[i]->i2c_tuner = cl;
if (!try_module_get(cl->dev.driver->owner))
goto err_tuner_i2c_unregister_device;
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_put;
pt3->adaps[i]->fe = cfg.fe;
return 0;
err_tuner_module_put:
module_put(pt3->adaps[i]->i2c_tuner->dev.driver->owner);
err_tuner_i2c_unregister_device:
i2c_unregister_device(pt3->adaps[i]->i2c_tuner);
err_demod_module_put:
module_put(pt3->adaps[i]->i2c_demod->dev.driver->owner);
err_demod_i2c_unregister_device:
i2c_unregister_device(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 = 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);
if (adap->i2c_tuner) {
module_put(adap->i2c_tuner->dev.driver->owner);
i2c_unregister_device(adap->i2c_tuner);
}
if (adap->i2c_demod) {
module_put(adap->i2c_demod->dev.driver->owner);
i2c_unregister_device(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 pci_dev *pdev = to_pci_dev(dev);
struct pt3_board *pt3 = pci_get_drvdata(pdev);
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 pci_dev *pdev = to_pci_dev(dev);
struct pt3_board *pt3 = pci_get_drvdata(pdev);
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;
strlcpy(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");
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