diff options
Diffstat (limited to 'drivers/media/dvb/firewire/firedtv-ci.c')
-rw-r--r-- | drivers/media/dvb/firewire/firedtv-ci.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/drivers/media/dvb/firewire/firedtv-ci.c b/drivers/media/dvb/firewire/firedtv-ci.c deleted file mode 100644 index e5ebdbf..0000000 --- a/drivers/media/dvb/firewire/firedtv-ci.c +++ /dev/null @@ -1,258 +0,0 @@ -/* - * 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; -} - -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; -} - -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; -} - -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; -} - -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); -} - -static int fdtv_ca_info(struct firedtv *fdtv, void *arg) -{ - struct ca_msg *reply = arg; - - return avc_ca_info(fdtv, reply->msg, &reply->length); -} - -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); -} - -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; -} - -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); -} - -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; -} - -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; -} - -static unsigned int fdtv_ca_io_poll(struct file *file, poll_table *wait) -{ - return POLLIN; -} - -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); - - 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; -} - -void fdtv_ca_release(struct firedtv *fdtv) -{ - if (fdtv->cadev) - dvb_unregister_device(fdtv->cadev); -} |