Commit | Line | Data |
---|---|---|
df4846c3 | 1 | /* |
612262a5 | 2 | * FireDTV driver (formerly known as FireSAT) |
df4846c3 | 3 | * |
612262a5 SR |
4 | * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> |
5 | * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se> | |
df4846c3 HK |
6 | * |
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. | |
11 | */ | |
12 | ||
15490795 | 13 | #include <linux/device.h> |
c81c8b68 | 14 | #include <linux/dvb/ca.h> |
612262a5 SR |
15 | #include <linux/fs.h> |
16 | #include <linux/module.h> | |
17 | ||
c81c8b68 | 18 | #include <dvbdev.h> |
c81c8b68 | 19 | |
a70f81c1 | 20 | #include "firedtv.h" |
612262a5 | 21 | |
15490795 SR |
22 | #define EN50221_TAG_APP_INFO_ENQUIRY 0x9f8020 |
23 | #define EN50221_TAG_CA_INFO_ENQUIRY 0x9f8030 | |
24 | #define EN50221_TAG_CA_PMT 0x9f8032 | |
25 | #define EN50221_TAG_ENTER_MENU 0x9f8022 | |
26 | ||
27 | static int fdtv_ca_ready(struct firedtv_tuner_status *stat) | |
df4846c3 | 28 | { |
15490795 SR |
29 | return stat->ca_initialization_status == 1 && |
30 | stat->ca_error_flag == 0 && | |
31 | stat->ca_dvb_flag == 1 && | |
32 | stat->ca_module_present_status == 1; | |
df4846c3 HK |
33 | } |
34 | ||
15490795 | 35 | static int fdtv_get_ca_flags(struct firedtv_tuner_status *stat) |
df4846c3 HK |
36 | { |
37 | int flags = 0; | |
8ae83cdf | 38 | |
15490795 | 39 | if (stat->ca_module_present_status == 1) |
df4846c3 | 40 | flags |= CA_CI_MODULE_PRESENT; |
15490795 SR |
41 | if (stat->ca_initialization_status == 1 && |
42 | stat->ca_error_flag == 0 && | |
43 | stat->ca_dvb_flag == 1) | |
df4846c3 HK |
44 | flags |= CA_CI_MODULE_READY; |
45 | return flags; | |
46 | } | |
47 | ||
a70f81c1 | 48 | static int fdtv_ca_reset(struct firedtv *fdtv) |
df4846c3 | 49 | { |
a70f81c1 | 50 | return avc_ca_reset(fdtv) ? -EFAULT : 0; |
df4846c3 HK |
51 | } |
52 | ||
a70f81c1 | 53 | static int fdtv_ca_get_caps(void *arg) |
df4846c3 | 54 | { |
8ae83cdf SR |
55 | struct ca_caps *cap = arg; |
56 | ||
57 | cap->slot_num = 1; | |
58 | cap->slot_type = CA_CI; | |
59 | cap->descr_num = 1; | |
60 | cap->descr_type = CA_ECD; | |
61 | return 0; | |
df4846c3 HK |
62 | } |
63 | ||
a70f81c1 | 64 | static int fdtv_ca_get_slot_info(struct firedtv *fdtv, void *arg) |
df4846c3 | 65 | { |
15490795 | 66 | struct firedtv_tuner_status stat; |
8ae83cdf | 67 | struct ca_slot_info *slot = arg; |
df4846c3 | 68 | |
15490795 | 69 | if (avc_tuner_status(fdtv, &stat)) |
df4846c3 HK |
70 | return -EFAULT; |
71 | ||
8ae83cdf | 72 | if (slot->num != 0) |
df4846c3 | 73 | return -EFAULT; |
8ae83cdf SR |
74 | |
75 | slot->type = CA_CI; | |
15490795 | 76 | slot->flags = fdtv_get_ca_flags(&stat); |
df4846c3 HK |
77 | return 0; |
78 | } | |
79 | ||
a70f81c1 | 80 | static int fdtv_ca_app_info(struct firedtv *fdtv, void *arg) |
df4846c3 | 81 | { |
8ae83cdf | 82 | struct ca_msg *reply = arg; |
df4846c3 | 83 | |
15490795 | 84 | return avc_ca_app_info(fdtv, reply->msg, &reply->length) ? -EFAULT : 0; |
df4846c3 HK |
85 | } |
86 | ||
a70f81c1 | 87 | static int fdtv_ca_info(struct firedtv *fdtv, void *arg) |
df4846c3 | 88 | { |
8ae83cdf | 89 | struct ca_msg *reply = arg; |
df4846c3 | 90 | |
a70f81c1 | 91 | return avc_ca_info(fdtv, reply->msg, &reply->length) ? -EFAULT : 0; |
df4846c3 HK |
92 | } |
93 | ||
a70f81c1 | 94 | static int fdtv_ca_get_mmi(struct firedtv *fdtv, void *arg) |
df4846c3 | 95 | { |
8ae83cdf | 96 | struct ca_msg *reply = arg; |
df4846c3 | 97 | |
15490795 | 98 | return avc_ca_get_mmi(fdtv, reply->msg, &reply->length) ? -EFAULT : 0; |
df4846c3 HK |
99 | } |
100 | ||
a70f81c1 | 101 | static int fdtv_ca_get_msg(struct firedtv *fdtv, void *arg) |
df4846c3 | 102 | { |
15490795 | 103 | struct firedtv_tuner_status stat; |
8ae83cdf | 104 | int err; |
df4846c3 | 105 | |
a70f81c1 | 106 | switch (fdtv->ca_last_command) { |
15490795 | 107 | case EN50221_TAG_APP_INFO_ENQUIRY: |
a70f81c1 | 108 | err = fdtv_ca_app_info(fdtv, arg); |
df4846c3 | 109 | break; |
15490795 | 110 | case EN50221_TAG_CA_INFO_ENQUIRY: |
a70f81c1 | 111 | err = fdtv_ca_info(fdtv, arg); |
c81c8b68 | 112 | break; |
df4846c3 | 113 | default: |
15490795 | 114 | if (avc_tuner_status(fdtv, &stat)) |
df4846c3 | 115 | err = -EFAULT; |
15490795 | 116 | else if (stat.ca_mmi == 1) |
a70f81c1 | 117 | err = fdtv_ca_get_mmi(fdtv, arg); |
df4846c3 | 118 | else { |
15490795 SR |
119 | dev_info(fdtv->device, "unhandled CA message 0x%08x\n", |
120 | fdtv->ca_last_command); | |
df4846c3 HK |
121 | err = -EFAULT; |
122 | } | |
123 | } | |
a70f81c1 | 124 | fdtv->ca_last_command = 0; |
df4846c3 HK |
125 | return err; |
126 | } | |
c81c8b68 | 127 | |
a70f81c1 | 128 | static int fdtv_ca_pmt(struct firedtv *fdtv, void *arg) |
df4846c3 | 129 | { |
8ae83cdf | 130 | struct ca_msg *msg = arg; |
df4846c3 | 131 | int data_pos; |
7199e523 HK |
132 | int data_length; |
133 | int i; | |
134 | ||
135 | data_pos = 4; | |
136 | if (msg->msg[3] & 0x80) { | |
137 | data_length = 0; | |
15490795 | 138 | for (i = 0; i < (msg->msg[3] & 0x7f); i++) |
7199e523 HK |
139 | data_length = (data_length << 8) + msg->msg[data_pos++]; |
140 | } else { | |
141 | data_length = msg->msg[3]; | |
142 | } | |
df4846c3 | 143 | |
15490795 | 144 | return avc_ca_pmt(fdtv, &msg->msg[data_pos], data_length) ? -EFAULT : 0; |
df4846c3 HK |
145 | } |
146 | ||
a70f81c1 | 147 | static int fdtv_ca_send_msg(struct firedtv *fdtv, void *arg) |
df4846c3 | 148 | { |
8ae83cdf | 149 | struct ca_msg *msg = arg; |
df4846c3 | 150 | int err; |
df4846c3 | 151 | |
8ae83cdf | 152 | /* Do we need a semaphore for this? */ |
a70f81c1 | 153 | fdtv->ca_last_command = |
8ae83cdf | 154 | (msg->msg[0] << 16) + (msg->msg[1] << 8) + msg->msg[2]; |
a70f81c1 | 155 | switch (fdtv->ca_last_command) { |
15490795 | 156 | case EN50221_TAG_CA_PMT: |
a70f81c1 | 157 | err = fdtv_ca_pmt(fdtv, arg); |
df4846c3 | 158 | break; |
15490795 | 159 | case EN50221_TAG_APP_INFO_ENQUIRY: |
8ae83cdf | 160 | /* handled in ca_get_msg */ |
c81c8b68 GKH |
161 | err = 0; |
162 | break; | |
15490795 | 163 | case EN50221_TAG_CA_INFO_ENQUIRY: |
8ae83cdf | 164 | /* handled in ca_get_msg */ |
c81c8b68 GKH |
165 | err = 0; |
166 | break; | |
15490795 | 167 | case EN50221_TAG_ENTER_MENU: |
a70f81c1 | 168 | err = avc_ca_enter_menu(fdtv); |
df4846c3 HK |
169 | break; |
170 | default: | |
15490795 SR |
171 | dev_err(fdtv->device, "unhandled CA message 0x%08x\n", |
172 | fdtv->ca_last_command); | |
df4846c3 | 173 | err = -EFAULT; |
c81c8b68 | 174 | } |
df4846c3 HK |
175 | return err; |
176 | } | |
177 | ||
16ef8def | 178 | static int fdtv_ca_ioctl(struct file *file, unsigned int cmd, void *arg) |
df4846c3 | 179 | { |
8ae83cdf | 180 | struct dvb_device *dvbdev = file->private_data; |
a70f81c1 | 181 | struct firedtv *fdtv = dvbdev->priv; |
15490795 | 182 | struct firedtv_tuner_status stat; |
8ae83cdf | 183 | int err; |
df4846c3 | 184 | |
15490795 | 185 | switch (cmd) { |
df4846c3 | 186 | case CA_RESET: |
a70f81c1 | 187 | err = fdtv_ca_reset(fdtv); |
df4846c3 HK |
188 | break; |
189 | case CA_GET_CAP: | |
a70f81c1 | 190 | err = fdtv_ca_get_caps(arg); |
df4846c3 HK |
191 | break; |
192 | case CA_GET_SLOT_INFO: | |
a70f81c1 | 193 | err = fdtv_ca_get_slot_info(fdtv, arg); |
df4846c3 HK |
194 | break; |
195 | case CA_GET_MSG: | |
a70f81c1 | 196 | err = fdtv_ca_get_msg(fdtv, arg); |
df4846c3 HK |
197 | break; |
198 | case CA_SEND_MSG: | |
a70f81c1 | 199 | err = fdtv_ca_send_msg(fdtv, arg); |
df4846c3 | 200 | break; |
c81c8b68 | 201 | default: |
15490795 | 202 | dev_info(fdtv->device, "unhandled CA ioctl %u\n", cmd); |
df4846c3 | 203 | err = -EOPNOTSUPP; |
c81c8b68 | 204 | } |
df4846c3 | 205 | |
8ae83cdf | 206 | /* FIXME Is this necessary? */ |
15490795 | 207 | avc_tuner_status(fdtv, &stat); |
df4846c3 | 208 | |
c81c8b68 GKH |
209 | return err; |
210 | } | |
c81c8b68 | 211 | |
a70f81c1 | 212 | static unsigned int fdtv_ca_io_poll(struct file *file, poll_table *wait) |
df4846c3 | 213 | { |
c81c8b68 GKH |
214 | return POLLIN; |
215 | } | |
216 | ||
828c0950 | 217 | static const struct file_operations fdtv_ca_fops = { |
8ae83cdf | 218 | .owner = THIS_MODULE, |
16ef8def | 219 | .unlocked_ioctl = dvb_generic_ioctl, |
8ae83cdf SR |
220 | .open = dvb_generic_open, |
221 | .release = dvb_generic_release, | |
a70f81c1 | 222 | .poll = fdtv_ca_io_poll, |
c81c8b68 GKH |
223 | }; |
224 | ||
a70f81c1 | 225 | static struct dvb_device fdtv_ca = { |
8ae83cdf SR |
226 | .users = 1, |
227 | .readers = 1, | |
228 | .writers = 1, | |
a70f81c1 R |
229 | .fops = &fdtv_ca_fops, |
230 | .kernel_ioctl = fdtv_ca_ioctl, | |
c81c8b68 GKH |
231 | }; |
232 | ||
a70f81c1 | 233 | int fdtv_ca_register(struct firedtv *fdtv) |
df4846c3 | 234 | { |
15490795 | 235 | struct firedtv_tuner_status stat; |
8ae83cdf | 236 | int err; |
c81c8b68 | 237 | |
15490795 | 238 | if (avc_tuner_status(fdtv, &stat)) |
df4846c3 HK |
239 | return -EINVAL; |
240 | ||
15490795 | 241 | if (!fdtv_ca_ready(&stat)) |
8ae83cdf SR |
242 | return -EFAULT; |
243 | ||
a70f81c1 R |
244 | err = dvb_register_device(&fdtv->adapter, &fdtv->cadev, |
245 | &fdtv_ca, fdtv, DVB_DEVICE_CA); | |
8ae83cdf | 246 | |
15490795 SR |
247 | if (stat.ca_application_info == 0) |
248 | dev_err(fdtv->device, "CaApplicationInfo is not set\n"); | |
249 | if (stat.ca_date_time_request == 1) | |
a70f81c1 | 250 | avc_ca_get_time_date(fdtv, &fdtv->ca_time_interval); |
df4846c3 HK |
251 | |
252 | return err; | |
c81c8b68 GKH |
253 | } |
254 | ||
a70f81c1 | 255 | void fdtv_ca_release(struct firedtv *fdtv) |
df4846c3 | 256 | { |
a70f81c1 R |
257 | if (fdtv->cadev) |
258 | dvb_unregister_device(fdtv->cadev); | |
c81c8b68 | 259 | } |