Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 1 | /* |
| 2 | CA-driver for TwinHan DST Frontend/Card |
| 3 | |
| 4 | Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com) |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 21 | #include <linux/kernel.h> |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/string.h> |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 25 | #include <linux/dvb/ca.h> |
| 26 | #include "dvbdev.h" |
| 27 | #include "dvb_frontend.h" |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 28 | #include "dst_ca.h" |
| 29 | #include "dst_common.h" |
| 30 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 31 | #define DST_CA_ERROR 0 |
| 32 | #define DST_CA_NOTICE 1 |
| 33 | #define DST_CA_INFO 2 |
| 34 | #define DST_CA_DEBUG 3 |
| 35 | |
| 36 | #define dprintk(x, y, z, format, arg...) do { \ |
| 37 | if (z) { \ |
| 38 | if ((x > DST_CA_ERROR) && (x > y)) \ |
| 39 | printk(KERN_ERR "%s: " format "\n", __FUNCTION__ , ##arg); \ |
| 40 | else if ((x > DST_CA_NOTICE) && (x > y)) \ |
| 41 | printk(KERN_NOTICE "%s: " format "\n", __FUNCTION__ , ##arg); \ |
| 42 | else if ((x > DST_CA_INFO) && (x > y)) \ |
| 43 | printk(KERN_INFO "%s: " format "\n", __FUNCTION__ , ##arg); \ |
| 44 | else if ((x > DST_CA_DEBUG) && (x > y)) \ |
| 45 | printk(KERN_DEBUG "%s: " format "\n", __FUNCTION__ , ##arg); \ |
| 46 | } else { \ |
| 47 | if (x > y) \ |
| 48 | printk(format, ## arg); \ |
| 49 | } \ |
| 50 | } while(0) |
| 51 | |
| 52 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 53 | static unsigned int verbose = 5; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 54 | module_param(verbose, int, 0644); |
| 55 | MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)"); |
| 56 | |
Johannes Stezenbach | 4a2cc12 | 2005-05-16 21:54:45 -0700 | [diff] [blame] | 57 | /* Need some more work */ |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 58 | static int ca_set_slot_descr(void) |
| 59 | { |
| 60 | /* We could make this more graceful ? */ |
| 61 | return -EOPNOTSUPP; |
| 62 | } |
| 63 | |
Johannes Stezenbach | 4a2cc12 | 2005-05-16 21:54:45 -0700 | [diff] [blame] | 64 | /* Need some more work */ |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 65 | static int ca_set_pid(void) |
| 66 | { |
| 67 | /* We could make this more graceful ? */ |
| 68 | return -EOPNOTSUPP; |
| 69 | } |
| 70 | |
| 71 | |
Perceval Anichini | 4fbbc7e | 2005-11-08 21:35:23 -0800 | [diff] [blame] | 72 | static void put_checksum(u8 *check_string, int length) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 73 | { |
Perceval Anichini | 4fbbc7e | 2005-11-08 21:35:23 -0800 | [diff] [blame] | 74 | dprintk(verbose, DST_CA_DEBUG, 1, " Computing string checksum."); |
| 75 | dprintk(verbose, DST_CA_DEBUG, 1, " -> string length : 0x%02x", length); |
| 76 | check_string[length] = dst_check_sum (check_string, length); |
| 77 | dprintk(verbose, DST_CA_DEBUG, 1, " -> checksum : 0x%02x", check_string[length]); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8 len, int read) |
| 81 | { |
| 82 | u8 reply; |
| 83 | |
| 84 | dst_comm_init(state); |
| 85 | msleep(65); |
| 86 | |
| 87 | if (write_dst(state, data, len)) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 88 | dprintk(verbose, DST_CA_INFO, 1, " Write not successful, trying to recover"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 89 | dst_error_recovery(state); |
| 90 | return -1; |
| 91 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 92 | if ((dst_pio_disable(state)) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 93 | dprintk(verbose, DST_CA_ERROR, 1, " DST PIO disable failed."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 94 | return -1; |
| 95 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 96 | if (read_dst(state, &reply, GET_ACK) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 97 | dprintk(verbose, DST_CA_INFO, 1, " Read not successful, trying to recover"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 98 | dst_error_recovery(state); |
| 99 | return -1; |
| 100 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 101 | if (read) { |
| 102 | if (! dst_wait_dst_ready(state, LONG_DELAY)) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 103 | dprintk(verbose, DST_CA_NOTICE, 1, " 8820 not ready"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 104 | return -1; |
| 105 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 106 | if (read_dst(state, ca_string, 128) < 0) { /* Try to make this dynamic */ |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 107 | dprintk(verbose, DST_CA_INFO, 1, " Read not successful, trying to recover"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 108 | dst_error_recovery(state); |
| 109 | return -1; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | return 0; |
| 114 | } |
| 115 | |
| 116 | |
| 117 | static int dst_put_ci(struct dst_state *state, u8 *data, int len, u8 *ca_string, int read) |
| 118 | { |
| 119 | u8 dst_ca_comm_err = 0; |
| 120 | |
| 121 | while (dst_ca_comm_err < RETRIES) { |
| 122 | dst_comm_init(state); |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 123 | dprintk(verbose, DST_CA_NOTICE, 1, " Put Command"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 124 | if (dst_ci_command(state, data, ca_string, len, read)) { // If error |
| 125 | dst_error_recovery(state); |
| 126 | dst_ca_comm_err++; // work required here. |
| 127 | } |
| 128 | break; |
| 129 | } |
| 130 | |
| 131 | return 0; |
| 132 | } |
| 133 | |
| 134 | |
| 135 | |
| 136 | static int ca_get_app_info(struct dst_state *state) |
| 137 | { |
| 138 | static u8 command[8] = {0x07, 0x40, 0x01, 0x00, 0x01, 0x00, 0x00, 0xff}; |
| 139 | |
| 140 | put_checksum(&command[0], command[0]); |
| 141 | if ((dst_put_ci(state, command, sizeof(command), state->messages, GET_REPLY)) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 142 | dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 143 | return -1; |
| 144 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 145 | dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !"); |
| 146 | dprintk(verbose, DST_CA_INFO, 1, " ================================ CI Module Application Info ======================================"); |
| 147 | dprintk(verbose, DST_CA_INFO, 1, " Application Type=[%d], Application Vendor=[%d], Vendor Code=[%d]\n%s: Application info=[%s]", |
| 148 | state->messages[7], (state->messages[8] << 8) | state->messages[9], |
| 149 | (state->messages[10] << 8) | state->messages[11], __FUNCTION__, (char *)(&state->messages[12])); |
| 150 | dprintk(verbose, DST_CA_INFO, 1, " =================================================================================================="); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 151 | |
| 152 | return 0; |
| 153 | } |
| 154 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 155 | static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, void __user *arg) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 156 | { |
| 157 | int i; |
| 158 | u8 slot_cap[256]; |
| 159 | static u8 slot_command[8] = {0x07, 0x40, 0x02, 0x00, 0x02, 0x00, 0x00, 0xff}; |
| 160 | |
| 161 | put_checksum(&slot_command[0], slot_command[0]); |
| 162 | if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_cap, GET_REPLY)) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 163 | dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 164 | return -1; |
| 165 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 166 | dprintk(verbose, DST_CA_NOTICE, 1, " -->dst_put_ci SUCCESS !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 167 | |
| 168 | /* Will implement the rest soon */ |
| 169 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 170 | dprintk(verbose, DST_CA_INFO, 1, " Slot cap = [%d]", slot_cap[7]); |
| 171 | dprintk(verbose, DST_CA_INFO, 0, "===================================\n"); |
| 172 | for (i = 0; i < 8; i++) |
| 173 | dprintk(verbose, DST_CA_INFO, 0, " %d", slot_cap[i]); |
| 174 | dprintk(verbose, DST_CA_INFO, 0, "\n"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 175 | |
| 176 | p_ca_caps->slot_num = 1; |
| 177 | p_ca_caps->slot_type = 1; |
| 178 | p_ca_caps->descr_num = slot_cap[7]; |
| 179 | p_ca_caps->descr_type = 1; |
| 180 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 181 | if (copy_to_user(arg, p_ca_caps, sizeof (struct ca_caps))) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 182 | return -EFAULT; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 183 | |
| 184 | return 0; |
| 185 | } |
| 186 | |
Johannes Stezenbach | 4a2cc12 | 2005-05-16 21:54:45 -0700 | [diff] [blame] | 187 | /* Need some more work */ |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 188 | static int ca_get_slot_descr(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 189 | { |
| 190 | return -EOPNOTSUPP; |
| 191 | } |
| 192 | |
| 193 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 194 | static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_slot_info, void __user *arg) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 195 | { |
| 196 | int i; |
| 197 | static u8 slot_command[8] = {0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff}; |
| 198 | |
Manu Abraham | 5c15c0b | 2005-11-08 21:35:24 -0800 | [diff] [blame^] | 199 | u8 *slot_info = state->messages; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 200 | |
| 201 | put_checksum(&slot_command[0], 7); |
| 202 | if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_info, GET_REPLY)) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 203 | dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 204 | return -1; |
| 205 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 206 | dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 207 | |
| 208 | /* Will implement the rest soon */ |
| 209 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 210 | dprintk(verbose, DST_CA_INFO, 1, " Slot info = [%d]", slot_info[3]); |
| 211 | dprintk(verbose, DST_CA_INFO, 0, "===================================\n"); |
| 212 | for (i = 0; i < 8; i++) |
| 213 | dprintk(verbose, DST_CA_INFO, 0, " %d", slot_info[i]); |
| 214 | dprintk(verbose, DST_CA_INFO, 0, "\n"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 215 | |
| 216 | if (slot_info[4] & 0x80) { |
| 217 | p_ca_slot_info->flags = CA_CI_MODULE_PRESENT; |
| 218 | p_ca_slot_info->num = 1; |
| 219 | p_ca_slot_info->type = CA_CI; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 220 | } else if (slot_info[4] & 0x40) { |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 221 | p_ca_slot_info->flags = CA_CI_MODULE_READY; |
| 222 | p_ca_slot_info->num = 1; |
| 223 | p_ca_slot_info->type = CA_CI; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 224 | } else |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 225 | p_ca_slot_info->flags = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 226 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 227 | if (copy_to_user(arg, p_ca_slot_info, sizeof (struct ca_slot_info))) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 228 | return -EFAULT; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 229 | |
| 230 | return 0; |
| 231 | } |
| 232 | |
| 233 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 234 | static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 235 | { |
| 236 | u8 i = 0; |
| 237 | u32 command = 0; |
| 238 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 239 | if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 240 | return -EFAULT; |
| 241 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 242 | if (p_ca_message->msg) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 243 | dprintk(verbose, DST_CA_NOTICE, 1, " Message = [%02x %02x %02x]", p_ca_message->msg[0], p_ca_message->msg[1], p_ca_message->msg[2]); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 244 | |
| 245 | for (i = 0; i < 3; i++) { |
| 246 | command = command | p_ca_message->msg[i]; |
| 247 | if (i < 2) |
| 248 | command = command << 8; |
| 249 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 250 | dprintk(verbose, DST_CA_NOTICE, 1, " Command=[0x%x]", command); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 251 | |
| 252 | switch (command) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 253 | case CA_APP_INFO: |
| 254 | memcpy(p_ca_message->msg, state->messages, 128); |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 255 | if (copy_to_user(arg, p_ca_message, sizeof (struct ca_msg)) ) |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 256 | return -EFAULT; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 257 | break; |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | return 0; |
| 262 | } |
| 263 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 264 | static int handle_dst_tag(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u32 length) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 265 | { |
Johannes Stezenbach | 4a2cc12 | 2005-05-16 21:54:45 -0700 | [diff] [blame] | 266 | if (state->dst_hw_cap & DST_TYPE_HAS_SESSION) { |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 267 | hw_buffer->msg[2] = p_ca_message->msg[1]; /* MSB */ |
| 268 | hw_buffer->msg[3] = p_ca_message->msg[2]; /* LSB */ |
| 269 | } else { |
| 270 | if (length > 247) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 271 | dprintk(verbose, DST_CA_ERROR, 1, " Message too long ! *** Bailing Out *** !"); |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 272 | return -1; |
| 273 | } |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 274 | hw_buffer->msg[0] = (length & 0xff) + 7; |
| 275 | hw_buffer->msg[1] = 0x40; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 276 | hw_buffer->msg[2] = 0x03; |
| 277 | hw_buffer->msg[3] = 0x00; |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 278 | hw_buffer->msg[4] = 0x03; |
| 279 | hw_buffer->msg[5] = length & 0xff; |
| 280 | hw_buffer->msg[6] = 0x00; |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 281 | /* |
| 282 | * Need to compute length for EN50221 section 8.3.2, for the time being |
| 283 | * assuming 8.3.2 is not applicable |
| 284 | */ |
| 285 | memcpy(&hw_buffer->msg[7], &p_ca_message->msg[4], length); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 286 | } |
| 287 | return 0; |
| 288 | } |
| 289 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 290 | |
| 291 | static int write_to_8820(struct dst_state *state, struct ca_msg *hw_buffer, u8 length, u8 reply) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 292 | { |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 293 | if ((dst_put_ci(state, hw_buffer->msg, length, hw_buffer->msg, reply)) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 294 | dprintk(verbose, DST_CA_ERROR, 1, " DST-CI Command failed."); |
| 295 | dprintk(verbose, DST_CA_NOTICE, 1, " Resetting DST."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 296 | rdc_reset_state(state); |
| 297 | return -1; |
| 298 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 299 | dprintk(verbose, DST_CA_NOTICE, 1, " DST-CI Command succes."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 300 | |
| 301 | return 0; |
| 302 | } |
| 303 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 304 | static u32 asn_1_decode(u8 *asn_1_array) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 305 | { |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 306 | u8 length_field = 0, word_count = 0, count = 0; |
| 307 | u32 length = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 308 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 309 | length_field = asn_1_array[0]; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 310 | dprintk(verbose, DST_CA_DEBUG, 1, " Length field=[%02x]", length_field); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 311 | if (length_field < 0x80) { |
| 312 | length = length_field & 0x7f; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 313 | dprintk(verbose, DST_CA_DEBUG, 1, " Length=[%02x]\n", length); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 314 | } else { |
| 315 | word_count = length_field & 0x7f; |
| 316 | for (count = 0; count < word_count; count++) { |
Raymond Mantchala | 93a14f1 | 2005-11-08 21:35:17 -0800 | [diff] [blame] | 317 | length = length << 8; |
| 318 | length += asn_1_array[count + 1]; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 319 | dprintk(verbose, DST_CA_DEBUG, 1, " Length=[%04x]", length); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 320 | } |
| 321 | } |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 322 | return length; |
| 323 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 324 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 325 | static int debug_string(u8 *msg, u32 length, u32 offset) |
| 326 | { |
| 327 | u32 i; |
| 328 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 329 | dprintk(verbose, DST_CA_DEBUG, 0, " String=[ "); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 330 | for (i = offset; i < length; i++) |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 331 | dprintk(verbose, DST_CA_DEBUG, 0, "%02x ", msg[i]); |
| 332 | dprintk(verbose, DST_CA_DEBUG, 0, "]\n"); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 333 | |
| 334 | return 0; |
| 335 | } |
| 336 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 337 | static int ca_set_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u8 reply, u8 query) |
| 338 | { |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 339 | u32 length = 0; |
| 340 | u8 tag_length = 8; |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 341 | |
| 342 | length = asn_1_decode(&p_ca_message->msg[3]); |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 343 | dprintk(verbose, DST_CA_DEBUG, 1, " CA Message length=[%d]", length); |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 344 | debug_string(&p_ca_message->msg[4], length, 0); /* length is excluding tag & length */ |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 345 | |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 346 | memset(hw_buffer->msg, '\0', length); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 347 | handle_dst_tag(state, p_ca_message, hw_buffer, length); |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 348 | put_checksum(hw_buffer->msg, hw_buffer->msg[0]); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 349 | |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 350 | debug_string(hw_buffer->msg, (length + tag_length), 0); /* tags too */ |
| 351 | write_to_8820(state, hw_buffer, (length + tag_length), reply); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 352 | |
| 353 | return 0; |
| 354 | } |
| 355 | |
| 356 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 357 | /* Board supports CA PMT reply ? */ |
| 358 | static int dst_check_ca_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer) |
| 359 | { |
| 360 | int ca_pmt_reply_test = 0; |
| 361 | |
| 362 | /* Do test board */ |
| 363 | /* Not there yet but soon */ |
| 364 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 365 | /* CA PMT Reply capable */ |
| 366 | if (ca_pmt_reply_test) { |
| 367 | if ((ca_set_pmt(state, p_ca_message, hw_buffer, 1, GET_REPLY)) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 368 | dprintk(verbose, DST_CA_ERROR, 1, " ca_set_pmt.. failed !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 369 | return -1; |
| 370 | } |
| 371 | |
| 372 | /* Process CA PMT Reply */ |
| 373 | /* will implement soon */ |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 374 | dprintk(verbose, DST_CA_ERROR, 1, " Not there yet"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 375 | } |
| 376 | /* CA PMT Reply not capable */ |
| 377 | if (!ca_pmt_reply_test) { |
| 378 | if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, NO_REPLY)) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 379 | dprintk(verbose, DST_CA_ERROR, 1, " ca_set_pmt.. failed !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 380 | return -1; |
| 381 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 382 | dprintk(verbose, DST_CA_NOTICE, 1, " ca_set_pmt.. success !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 383 | /* put a dummy message */ |
| 384 | |
| 385 | } |
| 386 | return 0; |
| 387 | } |
| 388 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 389 | static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 390 | { |
| 391 | int i = 0; |
| 392 | unsigned int ca_message_header_len; |
| 393 | |
| 394 | u32 command = 0; |
| 395 | struct ca_msg *hw_buffer; |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 396 | int result = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 397 | |
| 398 | if ((hw_buffer = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 399 | dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 400 | return -ENOMEM; |
| 401 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 402 | dprintk(verbose, DST_CA_DEBUG, 1, " "); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 403 | |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 404 | if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg))) { |
| 405 | result = -EFAULT; |
| 406 | goto free_mem_and_exit; |
| 407 | } |
| 408 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 409 | |
| 410 | if (p_ca_message->msg) { |
| 411 | ca_message_header_len = p_ca_message->length; /* Restore it back when you are done */ |
| 412 | /* EN50221 tag */ |
| 413 | command = 0; |
| 414 | |
| 415 | for (i = 0; i < 3; i++) { |
| 416 | command = command | p_ca_message->msg[i]; |
| 417 | if (i < 2) |
| 418 | command = command << 8; |
| 419 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 420 | dprintk(verbose, DST_CA_DEBUG, 1, " Command=[0x%x]\n", command); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 421 | |
| 422 | switch (command) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 423 | case CA_PMT: |
| 424 | dprintk(verbose, DST_CA_DEBUG, 1, "Command = SEND_CA_PMT"); |
| 425 | if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, 0)) < 0) { // code simplification started |
| 426 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_PMT Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 427 | result = -1; |
| 428 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 429 | } |
| 430 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_PMT Success !"); |
| 431 | break; |
| 432 | case CA_PMT_REPLY: |
| 433 | dprintk(verbose, DST_CA_INFO, 1, "Command = CA_PMT_REPLY"); |
| 434 | /* Have to handle the 2 basic types of cards here */ |
| 435 | if ((dst_check_ca_pmt(state, p_ca_message, hw_buffer)) < 0) { |
| 436 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_PMT_REPLY Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 437 | result = -1; |
| 438 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 439 | } |
| 440 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_PMT_REPLY Success !"); |
| 441 | break; |
| 442 | case CA_APP_INFO_ENQUIRY: // only for debugging |
| 443 | dprintk(verbose, DST_CA_INFO, 1, " Getting Cam Application information"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 444 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 445 | if ((ca_get_app_info(state)) < 0) { |
| 446 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_APP_INFO_ENQUIRY Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 447 | result = -1; |
| 448 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 449 | } |
| 450 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_APP_INFO_ENQUIRY Success !"); |
| 451 | break; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 452 | } |
| 453 | } |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 454 | free_mem_and_exit: |
| 455 | kfree (hw_buffer); |
| 456 | |
| 457 | return result; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 458 | } |
| 459 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 460 | static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long ioctl_arg) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 461 | { |
| 462 | struct dvb_device* dvbdev = (struct dvb_device*) file->private_data; |
| 463 | struct dst_state* state = (struct dst_state*) dvbdev->priv; |
| 464 | struct ca_slot_info *p_ca_slot_info; |
| 465 | struct ca_caps *p_ca_caps; |
| 466 | struct ca_msg *p_ca_message; |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 467 | void __user *arg = (void __user *)ioctl_arg; |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 468 | int result = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 469 | |
| 470 | if ((p_ca_message = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 471 | dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 472 | return -ENOMEM; |
| 473 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 474 | if ((p_ca_slot_info = (struct ca_slot_info *) kmalloc(sizeof (struct ca_slot_info), GFP_KERNEL)) == NULL) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 475 | dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 476 | return -ENOMEM; |
| 477 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 478 | if ((p_ca_caps = (struct ca_caps *) kmalloc(sizeof (struct ca_caps), GFP_KERNEL)) == NULL) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 479 | dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 480 | return -ENOMEM; |
| 481 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 482 | /* We have now only the standard ioctl's, the driver is upposed to handle internals. */ |
| 483 | switch (cmd) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 484 | case CA_SEND_MSG: |
| 485 | dprintk(verbose, DST_CA_INFO, 1, " Sending message"); |
| 486 | if ((ca_send_message(state, p_ca_message, arg)) < 0) { |
| 487 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SEND_MSG Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 488 | result = -1; |
| 489 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 490 | } |
| 491 | break; |
| 492 | case CA_GET_MSG: |
| 493 | dprintk(verbose, DST_CA_INFO, 1, " Getting message"); |
| 494 | if ((ca_get_message(state, p_ca_message, arg)) < 0) { |
| 495 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_MSG Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 496 | result = -1; |
| 497 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 498 | } |
| 499 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_MSG Success !"); |
| 500 | break; |
| 501 | case CA_RESET: |
| 502 | dprintk(verbose, DST_CA_ERROR, 1, " Resetting DST"); |
| 503 | dst_error_bailout(state); |
| 504 | msleep(4000); |
| 505 | break; |
| 506 | case CA_GET_SLOT_INFO: |
| 507 | dprintk(verbose, DST_CA_INFO, 1, " Getting Slot info"); |
| 508 | if ((ca_get_slot_info(state, p_ca_slot_info, arg)) < 0) { |
| 509 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_SLOT_INFO Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 510 | result = -1; |
| 511 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 512 | } |
| 513 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_SLOT_INFO Success !"); |
| 514 | break; |
| 515 | case CA_GET_CAP: |
| 516 | dprintk(verbose, DST_CA_INFO, 1, " Getting Slot capabilities"); |
| 517 | if ((ca_get_slot_caps(state, p_ca_caps, arg)) < 0) { |
| 518 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_CAP Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 519 | result = -1; |
| 520 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 521 | } |
| 522 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_CAP Success !"); |
| 523 | break; |
| 524 | case CA_GET_DESCR_INFO: |
| 525 | dprintk(verbose, DST_CA_INFO, 1, " Getting descrambler description"); |
| 526 | if ((ca_get_slot_descr(state, p_ca_message, arg)) < 0) { |
| 527 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_DESCR_INFO Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 528 | result = -1; |
| 529 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 530 | } |
| 531 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_DESCR_INFO Success !"); |
| 532 | break; |
| 533 | case CA_SET_DESCR: |
| 534 | dprintk(verbose, DST_CA_INFO, 1, " Setting descrambler"); |
| 535 | if ((ca_set_slot_descr()) < 0) { |
| 536 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SET_DESCR Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 537 | result = -1; |
| 538 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 539 | } |
| 540 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_SET_DESCR Success !"); |
| 541 | break; |
| 542 | case CA_SET_PID: |
| 543 | dprintk(verbose, DST_CA_INFO, 1, " Setting PID"); |
| 544 | if ((ca_set_pid()) < 0) { |
| 545 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SET_PID Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 546 | result = -1; |
| 547 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 548 | } |
| 549 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_SET_PID Success !"); |
| 550 | default: |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 551 | result = -EOPNOTSUPP; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 552 | }; |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 553 | free_mem_and_exit: |
| 554 | kfree (p_ca_message); |
| 555 | kfree (p_ca_slot_info); |
| 556 | kfree (p_ca_caps); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 557 | |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 558 | return result; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 559 | } |
| 560 | |
| 561 | static int dst_ca_open(struct inode *inode, struct file *file) |
| 562 | { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 563 | dprintk(verbose, DST_CA_DEBUG, 1, " Device opened [%p] ", file); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 564 | try_module_get(THIS_MODULE); |
| 565 | |
| 566 | return 0; |
| 567 | } |
| 568 | |
| 569 | static int dst_ca_release(struct inode *inode, struct file *file) |
| 570 | { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 571 | dprintk(verbose, DST_CA_DEBUG, 1, " Device closed."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 572 | module_put(THIS_MODULE); |
| 573 | |
| 574 | return 0; |
| 575 | } |
| 576 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 577 | static int dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 578 | { |
| 579 | int bytes_read = 0; |
| 580 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 581 | dprintk(verbose, DST_CA_DEBUG, 1, " Device read."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 582 | |
| 583 | return bytes_read; |
| 584 | } |
| 585 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 586 | static int dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 587 | { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 588 | dprintk(verbose, DST_CA_DEBUG, 1, " Device write."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 589 | |
| 590 | return 0; |
| 591 | } |
| 592 | |
| 593 | static struct file_operations dst_ca_fops = { |
| 594 | .owner = THIS_MODULE, |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 595 | .ioctl = dst_ca_ioctl, |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 596 | .open = dst_ca_open, |
| 597 | .release = dst_ca_release, |
| 598 | .read = dst_ca_read, |
| 599 | .write = dst_ca_write |
| 600 | }; |
| 601 | |
| 602 | static struct dvb_device dvbdev_ca = { |
| 603 | .priv = NULL, |
| 604 | .users = 1, |
| 605 | .readers = 1, |
| 606 | .writers = 1, |
| 607 | .fops = &dst_ca_fops |
| 608 | }; |
| 609 | |
| 610 | int dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter) |
| 611 | { |
| 612 | struct dvb_device *dvbdev; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 613 | dprintk(verbose, DST_CA_ERROR, 1, "registering DST-CA device"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 614 | dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA); |
| 615 | return 0; |
| 616 | } |
| 617 | |
| 618 | EXPORT_SYMBOL(dst_ca_attach); |
| 619 | |
| 620 | MODULE_DESCRIPTION("DST DVB-S/T/C Combo CA driver"); |
| 621 | MODULE_AUTHOR("Manu Abraham"); |
| 622 | MODULE_LICENSE("GPL"); |