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/*
* FireDTV driver (formerly known as FireSAT)
*
* Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
* Copyright (C) 2007-2008 Ben Backx <ben@bbackx.com>
* Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*/
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/string.h>
#include <linux/types.h>
#include <dmxdev.h>
#include <dvb_demux.h>
#include <dvb_frontend.h>
#include <dvbdev.h>
#include <csr1212.h>
#include <highlevel.h>
#include <hosts.h>
#include <ieee1394_hotplug.h>
#include <nodemgr.h>
#include "avc_api.h"
#include "cmp.h"
#include "firesat.h"
#include "firesat-ci.h"
#include "firesat-rc.h"
#define MATCH_FLAGS IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID | \
IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION
#define DIGITAL_EVERYWHERE_OUI 0x001287
static struct ieee1394_device_id firesat_id_table[] = {
{
/* FloppyDTV S/CI and FloppyDTV S2 */
.match_flags = MATCH_FLAGS,
.vendor_id = DIGITAL_EVERYWHERE_OUI,
.model_id = 0x000024,
.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
.version = AVC_SW_VERSION_ENTRY,
},{
/* FloppyDTV T/CI */
.match_flags = MATCH_FLAGS,
.vendor_id = DIGITAL_EVERYWHERE_OUI,
.model_id = 0x000025,
.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
.version = AVC_SW_VERSION_ENTRY,
},{
/* FloppyDTV C/CI */
.match_flags = MATCH_FLAGS,
.vendor_id = DIGITAL_EVERYWHERE_OUI,
.model_id = 0x000026,
.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
.version = AVC_SW_VERSION_ENTRY,
},{
/* FireDTV S/CI and FloppyDTV S2 */
.match_flags = MATCH_FLAGS,
.vendor_id = DIGITAL_EVERYWHERE_OUI,
.model_id = 0x000034,
.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
.version = AVC_SW_VERSION_ENTRY,
},{
/* FireDTV T/CI */
.match_flags = MATCH_FLAGS,
.vendor_id = DIGITAL_EVERYWHERE_OUI,
.model_id = 0x000035,
.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
.version = AVC_SW_VERSION_ENTRY,
},{
/* FireDTV C/CI */
.match_flags = MATCH_FLAGS,
.vendor_id = DIGITAL_EVERYWHERE_OUI,
.model_id = 0x000036,
.specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
.version = AVC_SW_VERSION_ENTRY,
}, { }
};
MODULE_DEVICE_TABLE(ieee1394, firesat_id_table);
/* list of all firesat devices */
LIST_HEAD(firesat_list);
DEFINE_SPINLOCK(firesat_list_lock);
static void fcp_request(struct hpsb_host *host,
int nodeid,
int direction,
int cts,
u8 *data,
size_t length)
{
struct firesat *firesat = NULL;
struct firesat *firesat_entry;
unsigned long flags;
if (length > 0 && ((data[0] & 0xf0) >> 4) == 0) {
spin_lock_irqsave(&firesat_list_lock, flags);
list_for_each_entry(firesat_entry,&firesat_list,list) {
if (firesat_entry->ud->ne->host == host &&
firesat_entry->ud->ne->nodeid == nodeid &&
(firesat_entry->subunit == (data[1]&0x7) ||
(firesat_entry->subunit == 0 &&
(data[1]&0x7) == 0x7))) {
firesat=firesat_entry;
break;
}
}
spin_unlock_irqrestore(&firesat_list_lock, flags);
if (firesat)
avc_recv(firesat, data, length);
}
}
const char *firedtv_model_names[] = {
[FireSAT_UNKNOWN] = "unknown type",
[FireSAT_DVB_S] = "FireDTV S/CI",
[FireSAT_DVB_C] = "FireDTV C/CI",
[FireSAT_DVB_T] = "FireDTV T/CI",
[FireSAT_DVB_S2] = "FireDTV S2 ",
};
static int firesat_probe(struct device *dev)
{
struct unit_directory *ud =
container_of(dev, struct unit_directory, device);
struct firesat *firesat;
unsigned long flags;
int kv_len;
void *kv_str;
int i;
int err = -ENOMEM;
firesat = kzalloc(sizeof(*firesat), GFP_KERNEL);
if (!firesat)
return -ENOMEM;
dev->driver_data = firesat;
firesat->ud = ud;
firesat->subunit = 0;
firesat->isochannel = -1;
firesat->tone = 0xff;
firesat->voltage = 0xff;
mutex_init(&firesat->avc_mutex);
init_waitqueue_head(&firesat->avc_wait);
firesat->avc_reply_received = true;
mutex_init(&firesat->demux_mutex);
INIT_WORK(&firesat->remote_ctrl_work, avc_remote_ctrl_work);
/* Reading device model from ROM */
kv_len = (ud->model_name_kv->value.leaf.len - 2) * sizeof(quadlet_t);
kv_str = CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(ud->model_name_kv);
for (i = ARRAY_SIZE(firedtv_model_names); --i;)
if (strlen(firedtv_model_names[i]) <= kv_len &&
strncmp(kv_str, firedtv_model_names[i], kv_len) == 0)
break;
firesat->type = i;
/*
* Work around a bug in udev's path_id script: Use the fw-host's dev
* instead of the unit directory's dev as parent of the input device.
*/
err = firesat_register_rc(firesat, dev->parent->parent);
if (err)
goto fail_free;
INIT_LIST_HEAD(&firesat->list);
spin_lock_irqsave(&firesat_list_lock, flags);
list_add_tail(&firesat->list, &firesat_list);
spin_unlock_irqrestore(&firesat_list_lock, flags);
err = avc_identify_subunit(firesat);
if (err)
goto fail;
err = firesat_dvbdev_init(firesat, dev);
if (err)
goto fail;
avc_register_remote_control(firesat);
return 0;
fail:
spin_lock_irqsave(&firesat_list_lock, flags);
list_del(&firesat->list);
spin_unlock_irqrestore(&firesat_list_lock, flags);
firesat_unregister_rc(firesat);
fail_free:
kfree(firesat);
return err;
}
static int firesat_remove(struct device *dev)
{
struct firesat *firesat = dev->driver_data;
unsigned long flags;
firesat_ca_release(firesat);
dvb_unregister_frontend(&firesat->fe);
dvb_net_release(&firesat->dvbnet);
firesat->demux.dmx.close(&firesat->demux.dmx);
firesat->demux.dmx.remove_frontend(&firesat->demux.dmx,
&firesat->frontend);
dvb_dmxdev_release(&firesat->dmxdev);
dvb_dmx_release(&firesat->demux);
dvb_unregister_adapter(&firesat->adapter);
spin_lock_irqsave(&firesat_list_lock, flags);
list_del(&firesat->list);
spin_unlock_irqrestore(&firesat_list_lock, flags);
cancel_work_sync(&firesat->remote_ctrl_work);
firesat_unregister_rc(firesat);
kfree(firesat);
return 0;
}
static int firesat_update(struct unit_directory *ud)
{
struct firesat *firesat = ud->device.driver_data;
if (firesat->isochannel >= 0)
cmp_establish_pp_connection(firesat, firesat->subunit,
firesat->isochannel);
return 0;
}
static struct hpsb_protocol_driver firesat_driver = {
.name = "firedtv",
.id_table = firesat_id_table,
.update = firesat_update,
.driver = {
//.name and .bus are filled in for us in more recent linux versions
//.name = "FireSAT",
//.bus = &ieee1394_bus_type,
.probe = firesat_probe,
.remove = firesat_remove,
},
};
static struct hpsb_highlevel firesat_highlevel = {
.name = "firedtv",
.fcp_request = fcp_request,
};
static int __init firesat_init(void)
{
int ret;
hpsb_register_highlevel(&firesat_highlevel);
ret = hpsb_register_protocol(&firesat_driver);
if (ret) {
printk(KERN_ERR "firedtv: failed to register protocol\n");
hpsb_unregister_highlevel(&firesat_highlevel);
}
return ret;
}
static void __exit firesat_exit(void)
{
hpsb_unregister_protocol(&firesat_driver);
hpsb_unregister_highlevel(&firesat_highlevel);
}
module_init(firesat_init);
module_exit(firesat_exit);
MODULE_AUTHOR("Andreas Monitzer <andy@monitzer.com>");
MODULE_AUTHOR("Ben Backx <ben@bbackx.com>");
MODULE_DESCRIPTION("FireDTV DVB Driver");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("FireDTV DVB");
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