Release 4.7 drivers/media/firewire/firedtv-ci.c
/*
* FireDTV driver (formerly known as FireSAT)
*
* Copyright (C) 2004 Andreas Monitzer <andy@monitzer.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/dvb/ca.h>
#include <linux/fs.h>
#include <linux/module.h>
#include <dvbdev.h>
#include "firedtv.h"
#define EN50221_TAG_APP_INFO_ENQUIRY 0x9f8020
#define EN50221_TAG_CA_INFO_ENQUIRY 0x9f8030
#define EN50221_TAG_CA_PMT 0x9f8032
#define EN50221_TAG_ENTER_MENU 0x9f8022
static int fdtv_ca_ready(struct firedtv_tuner_status *stat)
{
return stat->ca_initialization_status == 1 &&
stat->ca_error_flag == 0 &&
stat->ca_dvb_flag == 1 &&
stat->ca_module_present_status == 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 24 | 66.67% | 1 | 33.33% |
| stefan richter | stefan richter | 11 | 30.56% | 1 | 33.33% |
| rambaldi | rambaldi | 1 | 2.78% | 1 | 33.33% |
| Total | 36 | 100.00% | 3 | 100.00% |
static int fdtv_get_ca_flags(struct firedtv_tuner_status *stat)
{
int flags = 0;
if (stat->ca_module_present_status == 1)
flags |= CA_CI_MODULE_PRESENT;
if (stat->ca_initialization_status == 1 &&
stat->ca_error_flag == 0 &&
stat->ca_dvb_flag == 1)
flags |= CA_CI_MODULE_READY;
return flags;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 43 | 78.18% | 1 | 33.33% |
| stefan richter | stefan richter | 11 | 20.00% | 1 | 33.33% |
| rambaldi | rambaldi | 1 | 1.82% | 1 | 33.33% |
| Total | 55 | 100.00% | 3 | 100.00% |
static int fdtv_ca_get_caps(void *arg)
{
struct ca_caps *cap = arg;
cap->slot_num = 1;
cap->slot_type = CA_CI;
cap->descr_num = 1;
cap->descr_type = CA_ECD;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 37 | 84.09% | 1 | 33.33% |
| stefan richter | stefan richter | 6 | 13.64% | 1 | 33.33% |
| rambaldi | rambaldi | 1 | 2.27% | 1 | 33.33% |
| Total | 44 | 100.00% | 3 | 100.00% |
static int fdtv_ca_get_slot_info(struct firedtv *fdtv, void *arg)
{
struct firedtv_tuner_status stat;
struct ca_slot_info *slot = arg;
int err;
err = avc_tuner_status(fdtv, &stat);
if (err)
return err;
if (slot->num != 0)
return -EACCES;
slot->type = CA_CI;
slot->flags = fdtv_get_ca_flags(&stat);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 47 | 61.04% | 1 | 20.00% |
| stefan richter | stefan richter | 25 | 32.47% | 3 | 60.00% |
| rambaldi | rambaldi | 5 | 6.49% | 1 | 20.00% |
| Total | 77 | 100.00% | 5 | 100.00% |
static int fdtv_ca_app_info(struct firedtv *fdtv, void *arg)
{
struct ca_msg *reply = arg;
return avc_ca_app_info(fdtv, reply->msg, &reply->length);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 29 | 78.38% | 1 | 33.33% |
| rambaldi | rambaldi | 4 | 10.81% | 1 | 33.33% |
| stefan richter | stefan richter | 4 | 10.81% | 1 | 33.33% |
| Total | 37 | 100.00% | 3 | 100.00% |
static int fdtv_ca_info(struct firedtv *fdtv, void *arg)
{
struct ca_msg *reply = arg;
return avc_ca_info(fdtv, reply->msg, &reply->length);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 29 | 78.38% | 1 | 33.33% |
| rambaldi | rambaldi | 4 | 10.81% | 1 | 33.33% |
| stefan richter | stefan richter | 4 | 10.81% | 1 | 33.33% |
| Total | 37 | 100.00% | 3 | 100.00% |
static int fdtv_ca_get_mmi(struct firedtv *fdtv, void *arg)
{
struct ca_msg *reply = arg;
return avc_ca_get_mmi(fdtv, reply->msg, &reply->length);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 29 | 78.38% | 1 | 33.33% |
| rambaldi | rambaldi | 4 | 10.81% | 1 | 33.33% |
| stefan richter | stefan richter | 4 | 10.81% | 1 | 33.33% |
| Total | 37 | 100.00% | 3 | 100.00% |
static int fdtv_ca_get_msg(struct firedtv *fdtv, void *arg)
{
struct firedtv_tuner_status stat;
int err;
switch (fdtv->ca_last_command) {
case EN50221_TAG_APP_INFO_ENQUIRY:
err = fdtv_ca_app_info(fdtv, arg);
break;
case EN50221_TAG_CA_INFO_ENQUIRY:
err = fdtv_ca_info(fdtv, arg);
break;
default:
err = avc_tuner_status(fdtv, &stat);
if (err)
break;
if (stat.ca_mmi == 1)
err = fdtv_ca_get_mmi(fdtv, arg);
else {
dev_info(fdtv->device, "unhandled CA message 0x%08x\n",
fdtv->ca_last_command);
err = -EACCES;
}
}
fdtv->ca_last_command = 0;
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 81 | 68.07% | 1 | 20.00% |
| stefan richter | stefan richter | 25 | 21.01% | 3 | 60.00% |
| rambaldi | rambaldi | 13 | 10.92% | 1 | 20.00% |
| Total | 119 | 100.00% | 5 | 100.00% |
static int fdtv_ca_pmt(struct firedtv *fdtv, void *arg)
{
struct ca_msg *msg = arg;
int data_pos;
int data_length;
int i;
data_pos = 4;
if (msg->msg[3] & 0x80) {
data_length = 0;
for (i = 0; i < (msg->msg[3] & 0x7f); i++)
data_length = (data_length << 8) + msg->msg[data_pos++];
} else {
data_length = msg->msg[3];
}
return avc_ca_pmt(fdtv, &msg->msg[data_pos], data_length);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 108 | 91.53% | 2 | 40.00% |
| stefan richter | stefan richter | 6 | 5.08% | 2 | 40.00% |
| rambaldi | rambaldi | 4 | 3.39% | 1 | 20.00% |
| Total | 118 | 100.00% | 5 | 100.00% |
static int fdtv_ca_send_msg(struct firedtv *fdtv, void *arg)
{
struct ca_msg *msg = arg;
int err;
/* Do we need a semaphore for this? */
fdtv->ca_last_command =
(msg->msg[0] << 16) + (msg->msg[1] << 8) + msg->msg[2];
switch (fdtv->ca_last_command) {
case EN50221_TAG_CA_PMT:
err = fdtv_ca_pmt(fdtv, arg);
break;
case EN50221_TAG_APP_INFO_ENQUIRY:
/* handled in ca_get_msg */
err = 0;
break;
case EN50221_TAG_CA_INFO_ENQUIRY:
/* handled in ca_get_msg */
err = 0;
break;
case EN50221_TAG_ENTER_MENU:
err = avc_ca_enter_menu(fdtv);
break;
default:
dev_err(fdtv->device, "unhandled CA message 0x%08x\n",
fdtv->ca_last_command);
err = -EACCES;
}
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 101 | 77.10% | 1 | 20.00% |
| stefan richter | stefan richter | 21 | 16.03% | 3 | 60.00% |
| rambaldi | rambaldi | 9 | 6.87% | 1 | 20.00% |
| Total | 131 | 100.00% | 5 | 100.00% |
static int fdtv_ca_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct dvb_device *dvbdev = file->private_data;
struct firedtv *fdtv = dvbdev->priv;
struct firedtv_tuner_status stat;
int err;
switch (cmd) {
case CA_RESET:
err = avc_ca_reset(fdtv);
break;
case CA_GET_CAP:
err = fdtv_ca_get_caps(arg);
break;
case CA_GET_SLOT_INFO:
err = fdtv_ca_get_slot_info(fdtv, arg);
break;
case CA_GET_MSG:
err = fdtv_ca_get_msg(fdtv, arg);
break;
case CA_SEND_MSG:
err = fdtv_ca_send_msg(fdtv, arg);
break;
default:
dev_info(fdtv->device, "unhandled CA ioctl %u\n", cmd);
err = -EOPNOTSUPP;
}
/* FIXME Is this necessary? */
avc_tuner_status(fdtv, &stat);
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 93 | 66.43% | 1 | 16.67% |
| greg kroah-hartman | greg kroah-hartman | 20 | 14.29% | 1 | 16.67% |
| stefan richter | stefan richter | 15 | 10.71% | 3 | 50.00% |
| rambaldi | rambaldi | 12 | 8.57% | 1 | 16.67% |
| Total | 140 | 100.00% | 6 | 100.00% |
static unsigned int fdtv_ca_io_poll(struct file *file, poll_table *wait)
{
return POLLIN;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| greg kroah-hartman | greg kroah-hartman | 18 | 94.74% | 1 | 50.00% |
| rambaldi | rambaldi | 1 | 5.26% | 1 | 50.00% |
| Total | 19 | 100.00% | 2 | 100.00% |
static const struct file_operations fdtv_ca_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = dvb_generic_ioctl,
.open = dvb_generic_open,
.release = dvb_generic_release,
.poll = fdtv_ca_io_poll,
.llseek = noop_llseek,
};
static struct dvb_device fdtv_ca = {
.users = 1,
.readers = 1,
.writers = 1,
.fops = &fdtv_ca_fops,
.kernel_ioctl = fdtv_ca_ioctl,
};
int fdtv_ca_register(struct firedtv *fdtv)
{
struct firedtv_tuner_status stat;
int err;
if (avc_tuner_status(fdtv, &stat))
return -EINVAL;
if (!fdtv_ca_ready(&stat))
return -EFAULT;
err = dvb_register_device(&fdtv->adapter, &fdtv->cadev,
&fdtv_ca, fdtv, DVB_DEVICE_CA, 0);
if (stat.ca_application_info == 0)
dev_err(fdtv->device, "CaApplicationInfo is not set\n");
if (stat.ca_date_time_request == 1)
avc_ca_get_time_date(fdtv, &fdtv->ca_time_interval);
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 38 | 35.85% | 1 | 16.67% |
| stefan richter | stefan richter | 29 | 27.36% | 2 | 33.33% |
| greg kroah-hartman | greg kroah-hartman | 26 | 24.53% | 1 | 16.67% |
| rambaldi | rambaldi | 11 | 10.38% | 1 | 16.67% |
| mauro carvalho chehab | mauro carvalho chehab | 2 | 1.89% | 1 | 16.67% |
| Total | 106 | 100.00% | 6 | 100.00% |
void fdtv_ca_release(struct firedtv *fdtv)
{
dvb_unregister_device(fdtv->cadev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| greg kroah-hartman | greg kroah-hartman | 13 | 76.47% | 1 | 50.00% |
| rambaldi | rambaldi | 4 | 23.53% | 1 | 50.00% |
| Total | 17 | 100.00% | 2 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| henrik kurelid | henrik kurelid | 664 | 61.54% | 2 | 16.67% |
| stefan richter | stefan richter | 189 | 17.52% | 4 | 33.33% |
| greg kroah-hartman | greg kroah-hartman | 137 | 12.70% | 1 | 8.33% |
| rambaldi | rambaldi | 80 | 7.41% | 1 | 8.33% |
| arnd bergmann | arnd bergmann | 6 | 0.56% | 2 | 16.67% |
| mauro carvalho chehab | mauro carvalho chehab | 2 | 0.19% | 1 | 8.33% |
| alexey dobriyan | alexey dobriyan | 1 | 0.09% | 1 | 8.33% |
| Total | 1079 | 100.00% | 12 | 100.00% |
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