[media] firewire: move it one level up
Move firewire to one level up, as the dvb subdirectory will be removed. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
此提交包含在：
Mauro Carvalho Chehab
258
drivers/media/firewire/firedtv-ci.c
一般檔案
258
drivers/media/firewire/firedtv-ci.c
一般檔案
@@ -0,0 +1,258 @@
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/*
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* FireDTV driver (formerly known as FireSAT)
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*
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* Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
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* Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*/
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#include <linux/device.h>
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#include <linux/dvb/ca.h>
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#include <linux/fs.h>
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#include <linux/module.h>
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#include <dvbdev.h>
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#include "firedtv.h"
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#define EN50221_TAG_APP_INFO_ENQUIRY 0x9f8020
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#define EN50221_TAG_CA_INFO_ENQUIRY 0x9f8030
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#define EN50221_TAG_CA_PMT 0x9f8032
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#define EN50221_TAG_ENTER_MENU 0x9f8022
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static int fdtv_ca_ready(struct firedtv_tuner_status *stat)
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{
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return stat->ca_initialization_status == 1 &&
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stat->ca_error_flag == 0 &&
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stat->ca_dvb_flag == 1 &&
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stat->ca_module_present_status == 1;
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}
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static int fdtv_get_ca_flags(struct firedtv_tuner_status *stat)
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{
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int flags = 0;
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if (stat->ca_module_present_status == 1)
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flags |= CA_CI_MODULE_PRESENT;
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if (stat->ca_initialization_status == 1 &&
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stat->ca_error_flag == 0 &&
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stat->ca_dvb_flag == 1)
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flags |= CA_CI_MODULE_READY;
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return flags;
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}
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static int fdtv_ca_get_caps(void *arg)
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{
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struct ca_caps *cap = arg;
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cap->slot_num = 1;
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cap->slot_type = CA_CI;
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cap->descr_num = 1;
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cap->descr_type = CA_ECD;
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return 0;
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}
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static int fdtv_ca_get_slot_info(struct firedtv *fdtv, void *arg)
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{
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struct firedtv_tuner_status stat;
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struct ca_slot_info *slot = arg;
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int err;
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err = avc_tuner_status(fdtv, &stat);
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if (err)
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return err;
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if (slot->num != 0)
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return -EACCES;
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slot->type = CA_CI;
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slot->flags = fdtv_get_ca_flags(&stat);
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return 0;
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}
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static int fdtv_ca_app_info(struct firedtv *fdtv, void *arg)
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{
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struct ca_msg *reply = arg;
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return avc_ca_app_info(fdtv, reply->msg, &reply->length);
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}
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static int fdtv_ca_info(struct firedtv *fdtv, void *arg)
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{
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struct ca_msg *reply = arg;
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return avc_ca_info(fdtv, reply->msg, &reply->length);
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}
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static int fdtv_ca_get_mmi(struct firedtv *fdtv, void *arg)
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{
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struct ca_msg *reply = arg;
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return avc_ca_get_mmi(fdtv, reply->msg, &reply->length);
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}
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static int fdtv_ca_get_msg(struct firedtv *fdtv, void *arg)
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{
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struct firedtv_tuner_status stat;
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int err;
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switch (fdtv->ca_last_command) {
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case EN50221_TAG_APP_INFO_ENQUIRY:
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err = fdtv_ca_app_info(fdtv, arg);
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break;
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case EN50221_TAG_CA_INFO_ENQUIRY:
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err = fdtv_ca_info(fdtv, arg);
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break;
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default:
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err = avc_tuner_status(fdtv, &stat);
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if (err)
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break;
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if (stat.ca_mmi == 1)
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err = fdtv_ca_get_mmi(fdtv, arg);
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else {
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dev_info(fdtv->device, "unhandled CA message 0x%08x\n",
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fdtv->ca_last_command);
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err = -EACCES;
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}
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}
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fdtv->ca_last_command = 0;
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return err;
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}
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static int fdtv_ca_pmt(struct firedtv *fdtv, void *arg)
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{
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struct ca_msg *msg = arg;
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int data_pos;
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int data_length;
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int i;
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data_pos = 4;
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if (msg->msg[3] & 0x80) {
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data_length = 0;
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for (i = 0; i < (msg->msg[3] & 0x7f); i++)
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data_length = (data_length << 8) + msg->msg[data_pos++];
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} else {
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data_length = msg->msg[3];
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}
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return avc_ca_pmt(fdtv, &msg->msg[data_pos], data_length);
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}
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static int fdtv_ca_send_msg(struct firedtv *fdtv, void *arg)
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{
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struct ca_msg *msg = arg;
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int err;
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/* Do we need a semaphore for this? */
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fdtv->ca_last_command =
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(msg->msg[0] << 16) + (msg->msg[1] << 8) + msg->msg[2];
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switch (fdtv->ca_last_command) {
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case EN50221_TAG_CA_PMT:
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err = fdtv_ca_pmt(fdtv, arg);
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break;
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case EN50221_TAG_APP_INFO_ENQUIRY:
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/* handled in ca_get_msg */
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err = 0;
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break;
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case EN50221_TAG_CA_INFO_ENQUIRY:
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/* handled in ca_get_msg */
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err = 0;
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break;
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case EN50221_TAG_ENTER_MENU:
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err = avc_ca_enter_menu(fdtv);
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break;
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default:
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dev_err(fdtv->device, "unhandled CA message 0x%08x\n",
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fdtv->ca_last_command);
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err = -EACCES;
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}
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return err;
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}
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static int fdtv_ca_ioctl(struct file *file, unsigned int cmd, void *arg)
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{
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struct dvb_device *dvbdev = file->private_data;
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struct firedtv *fdtv = dvbdev->priv;
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struct firedtv_tuner_status stat;
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int err;
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switch (cmd) {
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case CA_RESET:
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err = avc_ca_reset(fdtv);
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break;
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case CA_GET_CAP:
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err = fdtv_ca_get_caps(arg);
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break;
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case CA_GET_SLOT_INFO:
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err = fdtv_ca_get_slot_info(fdtv, arg);
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break;
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case CA_GET_MSG:
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err = fdtv_ca_get_msg(fdtv, arg);
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break;
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case CA_SEND_MSG:
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err = fdtv_ca_send_msg(fdtv, arg);
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break;
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default:
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dev_info(fdtv->device, "unhandled CA ioctl %u\n", cmd);
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err = -EOPNOTSUPP;
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}
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/* FIXME Is this necessary? */
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avc_tuner_status(fdtv, &stat);
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return err;
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}
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static unsigned int fdtv_ca_io_poll(struct file *file, poll_table *wait)
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{
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return POLLIN;
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}
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static const struct file_operations fdtv_ca_fops = {
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.owner = THIS_MODULE,
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.unlocked_ioctl = dvb_generic_ioctl,
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.open = dvb_generic_open,
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.release = dvb_generic_release,
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.poll = fdtv_ca_io_poll,
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.llseek = noop_llseek,
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};
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static struct dvb_device fdtv_ca = {
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.users = 1,
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.readers = 1,
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.writers = 1,
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.fops = &fdtv_ca_fops,
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.kernel_ioctl = fdtv_ca_ioctl,
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};
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int fdtv_ca_register(struct firedtv *fdtv)
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{
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struct firedtv_tuner_status stat;
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int err;
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if (avc_tuner_status(fdtv, &stat))
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return -EINVAL;
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if (!fdtv_ca_ready(&stat))
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return -EFAULT;
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err = dvb_register_device(&fdtv->adapter, &fdtv->cadev,
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&fdtv_ca, fdtv, DVB_DEVICE_CA);
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if (stat.ca_application_info == 0)
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dev_err(fdtv->device, "CaApplicationInfo is not set\n");
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if (stat.ca_date_time_request == 1)
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avc_ca_get_time_date(fdtv, &fdtv->ca_time_interval);
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return err;
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}
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void fdtv_ca_release(struct firedtv *fdtv)
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{
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if (fdtv->cadev)
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dvb_unregister_device(fdtv->cadev);
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}
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