2 * FireDTV driver (formerly known as FireSAT)
4 * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
5 * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
13 #include <linux/dvb/ca.h>
15 #include <linux/module.h>
21 #include "firedtv-ci.h"
23 static int fdtv_ca_ready(ANTENNA_INPUT_INFO *info)
25 return info->CaInitializationStatus == 1 &&
26 info->CaErrorFlag == 0 &&
27 info->CaDvbFlag == 1 &&
28 info->CaModulePresentStatus == 1;
31 static int fdtv_get_ca_flags(ANTENNA_INPUT_INFO *info)
35 if (info->CaModulePresentStatus == 1)
36 flags |= CA_CI_MODULE_PRESENT;
37 if (info->CaInitializationStatus == 1 &&
38 info->CaErrorFlag == 0 &&
40 flags |= CA_CI_MODULE_READY;
44 static int fdtv_ca_reset(struct firedtv *fdtv)
46 return avc_ca_reset(fdtv) ? -EFAULT : 0;
49 static int fdtv_ca_get_caps(void *arg)
51 struct ca_caps *cap = arg;
54 cap->slot_type = CA_CI;
56 cap->descr_type = CA_ECD;
60 static int fdtv_ca_get_slot_info(struct firedtv *fdtv, void *arg)
62 ANTENNA_INPUT_INFO info;
63 struct ca_slot_info *slot = arg;
65 if (avc_tuner_status(fdtv, &info))
72 slot->flags = fdtv_get_ca_flags(&info);
76 static int fdtv_ca_app_info(struct firedtv *fdtv, void *arg)
78 struct ca_msg *reply = arg;
81 avc_ca_app_info(fdtv, reply->msg, &reply->length) ? -EFAULT : 0;
84 static int fdtv_ca_info(struct firedtv *fdtv, void *arg)
86 struct ca_msg *reply = arg;
88 return avc_ca_info(fdtv, reply->msg, &reply->length) ? -EFAULT : 0;
91 static int fdtv_ca_get_mmi(struct firedtv *fdtv, void *arg)
93 struct ca_msg *reply = arg;
96 avc_ca_get_mmi(fdtv, reply->msg, &reply->length) ? -EFAULT : 0;
99 static int fdtv_ca_get_msg(struct firedtv *fdtv, void *arg)
101 ANTENNA_INPUT_INFO info;
104 switch (fdtv->ca_last_command) {
105 case TAG_APP_INFO_ENQUIRY:
106 err = fdtv_ca_app_info(fdtv, arg);
108 case TAG_CA_INFO_ENQUIRY:
109 err = fdtv_ca_info(fdtv, arg);
112 if (avc_tuner_status(fdtv, &info))
114 else if (info.CaMmi == 1)
115 err = fdtv_ca_get_mmi(fdtv, arg);
117 printk(KERN_INFO "%s: Unhandled message 0x%08X\n",
118 __func__, fdtv->ca_last_command);
122 fdtv->ca_last_command = 0;
126 static int fdtv_ca_pmt(struct firedtv *fdtv, void *arg)
128 struct ca_msg *msg = arg;
134 if (msg->msg[3] & 0x80) {
136 for (i = 0; i < (msg->msg[3] & 0x7F); i++)
137 data_length = (data_length << 8) + msg->msg[data_pos++];
139 data_length = msg->msg[3];
142 return avc_ca_pmt(fdtv, &msg->msg[data_pos], data_length) ?
146 static int fdtv_ca_send_msg(struct firedtv *fdtv, void *arg)
148 struct ca_msg *msg = arg;
151 /* Do we need a semaphore for this? */
152 fdtv->ca_last_command =
153 (msg->msg[0] << 16) + (msg->msg[1] << 8) + msg->msg[2];
154 switch (fdtv->ca_last_command) {
156 err = fdtv_ca_pmt(fdtv, arg);
158 case TAG_APP_INFO_ENQUIRY:
159 /* handled in ca_get_msg */
162 case TAG_CA_INFO_ENQUIRY:
163 /* handled in ca_get_msg */
167 err = avc_ca_enter_menu(fdtv);
170 printk(KERN_ERR "%s: Unhandled unknown message 0x%08X\n",
171 __func__, fdtv->ca_last_command);
177 static int fdtv_ca_ioctl(struct inode *inode, struct file *file,
178 unsigned int cmd, void *arg)
180 struct dvb_device *dvbdev = file->private_data;
181 struct firedtv *fdtv = dvbdev->priv;
182 ANTENNA_INPUT_INFO info;
187 err = fdtv_ca_reset(fdtv);
190 err = fdtv_ca_get_caps(arg);
192 case CA_GET_SLOT_INFO:
193 err = fdtv_ca_get_slot_info(fdtv, arg);
196 err = fdtv_ca_get_msg(fdtv, arg);
199 err = fdtv_ca_send_msg(fdtv, arg);
202 printk(KERN_INFO "%s: Unhandled ioctl, command: %u\n",__func__,
207 /* FIXME Is this necessary? */
208 avc_tuner_status(fdtv, &info);
213 static unsigned int fdtv_ca_io_poll(struct file *file, poll_table *wait)
218 static struct file_operations fdtv_ca_fops = {
219 .owner = THIS_MODULE,
220 .ioctl = dvb_generic_ioctl,
221 .open = dvb_generic_open,
222 .release = dvb_generic_release,
223 .poll = fdtv_ca_io_poll,
226 static struct dvb_device fdtv_ca = {
230 .fops = &fdtv_ca_fops,
231 .kernel_ioctl = fdtv_ca_ioctl,
234 int fdtv_ca_register(struct firedtv *fdtv)
236 ANTENNA_INPUT_INFO info;
239 if (avc_tuner_status(fdtv, &info))
242 if (!fdtv_ca_ready(&info))
245 err = dvb_register_device(&fdtv->adapter, &fdtv->cadev,
246 &fdtv_ca, fdtv, DVB_DEVICE_CA);
248 if (info.CaApplicationInfo == 0)
249 printk(KERN_ERR "%s: CaApplicationInfo is not set.\n",
251 if (info.CaDateTimeRequest == 1)
252 avc_ca_get_time_date(fdtv, &fdtv->ca_time_interval);
257 void fdtv_ca_release(struct firedtv *fdtv)
260 dvb_unregister_device(fdtv->cadev);