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 | |
| 72 | static int put_checksum(u8 *check_string, int length) |
| 73 | { |
| 74 | u8 i = 0, checksum = 0; |
| 75 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 76 | dprintk(verbose, DST_CA_DEBUG, 1, " ========================= Checksum calculation ==========================="); |
| 77 | dprintk(verbose, DST_CA_DEBUG, 1, " String Length=[0x%02x]", length); |
| 78 | dprintk(verbose, DST_CA_DEBUG, 1, " String=["); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 79 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 80 | while (i < length) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 81 | dprintk(verbose, DST_CA_DEBUG, 0, " %02x", check_string[i]); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 82 | checksum += check_string[i]; |
| 83 | i++; |
| 84 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 85 | dprintk(verbose, DST_CA_DEBUG, 0, " ]\n"); |
| 86 | dprintk(verbose, DST_CA_DEBUG, 1, "Sum=[%02x]\n", checksum); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 87 | check_string[length] = ~checksum + 1; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 88 | dprintk(verbose, DST_CA_DEBUG, 1, " Checksum=[%02x]", check_string[length]); |
| 89 | dprintk(verbose, DST_CA_DEBUG, 1, " =========================================================================="); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 90 | |
| 91 | return 0; |
| 92 | } |
| 93 | |
| 94 | static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8 len, int read) |
| 95 | { |
| 96 | u8 reply; |
| 97 | |
| 98 | dst_comm_init(state); |
| 99 | msleep(65); |
| 100 | |
| 101 | if (write_dst(state, data, len)) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 102 | dprintk(verbose, DST_CA_INFO, 1, " Write not successful, trying to recover"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 103 | dst_error_recovery(state); |
| 104 | return -1; |
| 105 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 106 | if ((dst_pio_disable(state)) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 107 | dprintk(verbose, DST_CA_ERROR, 1, " DST PIO disable failed."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 108 | return -1; |
| 109 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 110 | if (read_dst(state, &reply, GET_ACK) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 111 | dprintk(verbose, DST_CA_INFO, 1, " Read not successful, trying to recover"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 112 | dst_error_recovery(state); |
| 113 | return -1; |
| 114 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 115 | if (read) { |
| 116 | if (! dst_wait_dst_ready(state, LONG_DELAY)) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 117 | dprintk(verbose, DST_CA_NOTICE, 1, " 8820 not ready"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 118 | return -1; |
| 119 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 120 | 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] | 121 | dprintk(verbose, DST_CA_INFO, 1, " Read not successful, trying to recover"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 122 | dst_error_recovery(state); |
| 123 | return -1; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | return 0; |
| 128 | } |
| 129 | |
| 130 | |
| 131 | static int dst_put_ci(struct dst_state *state, u8 *data, int len, u8 *ca_string, int read) |
| 132 | { |
| 133 | u8 dst_ca_comm_err = 0; |
| 134 | |
| 135 | while (dst_ca_comm_err < RETRIES) { |
| 136 | dst_comm_init(state); |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 137 | dprintk(verbose, DST_CA_NOTICE, 1, " Put Command"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 138 | if (dst_ci_command(state, data, ca_string, len, read)) { // If error |
| 139 | dst_error_recovery(state); |
| 140 | dst_ca_comm_err++; // work required here. |
| 141 | } |
| 142 | break; |
| 143 | } |
| 144 | |
| 145 | return 0; |
| 146 | } |
| 147 | |
| 148 | |
| 149 | |
| 150 | static int ca_get_app_info(struct dst_state *state) |
| 151 | { |
| 152 | static u8 command[8] = {0x07, 0x40, 0x01, 0x00, 0x01, 0x00, 0x00, 0xff}; |
| 153 | |
| 154 | put_checksum(&command[0], command[0]); |
| 155 | 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] | 156 | dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 157 | return -1; |
| 158 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 159 | dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !"); |
| 160 | dprintk(verbose, DST_CA_INFO, 1, " ================================ CI Module Application Info ======================================"); |
| 161 | dprintk(verbose, DST_CA_INFO, 1, " Application Type=[%d], Application Vendor=[%d], Vendor Code=[%d]\n%s: Application info=[%s]", |
| 162 | state->messages[7], (state->messages[8] << 8) | state->messages[9], |
| 163 | (state->messages[10] << 8) | state->messages[11], __FUNCTION__, (char *)(&state->messages[12])); |
| 164 | dprintk(verbose, DST_CA_INFO, 1, " =================================================================================================="); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 165 | |
| 166 | return 0; |
| 167 | } |
| 168 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 169 | 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] | 170 | { |
| 171 | int i; |
| 172 | u8 slot_cap[256]; |
| 173 | static u8 slot_command[8] = {0x07, 0x40, 0x02, 0x00, 0x02, 0x00, 0x00, 0xff}; |
| 174 | |
| 175 | put_checksum(&slot_command[0], slot_command[0]); |
| 176 | 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] | 177 | dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 178 | return -1; |
| 179 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 180 | dprintk(verbose, DST_CA_NOTICE, 1, " -->dst_put_ci SUCCESS !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 181 | |
| 182 | /* Will implement the rest soon */ |
| 183 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 184 | dprintk(verbose, DST_CA_INFO, 1, " Slot cap = [%d]", slot_cap[7]); |
| 185 | dprintk(verbose, DST_CA_INFO, 0, "===================================\n"); |
| 186 | for (i = 0; i < 8; i++) |
| 187 | dprintk(verbose, DST_CA_INFO, 0, " %d", slot_cap[i]); |
| 188 | dprintk(verbose, DST_CA_INFO, 0, "\n"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 189 | |
| 190 | p_ca_caps->slot_num = 1; |
| 191 | p_ca_caps->slot_type = 1; |
| 192 | p_ca_caps->descr_num = slot_cap[7]; |
| 193 | p_ca_caps->descr_type = 1; |
| 194 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 195 | if (copy_to_user(arg, p_ca_caps, sizeof (struct ca_caps))) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 196 | return -EFAULT; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 197 | |
| 198 | return 0; |
| 199 | } |
| 200 | |
Johannes Stezenbach | 4a2cc12 | 2005-05-16 21:54:45 -0700 | [diff] [blame] | 201 | /* Need some more work */ |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 202 | 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] | 203 | { |
| 204 | return -EOPNOTSUPP; |
| 205 | } |
| 206 | |
| 207 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 208 | 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] | 209 | { |
| 210 | int i; |
| 211 | static u8 slot_command[8] = {0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff}; |
| 212 | |
| 213 | u8 *slot_info = state->rxbuffer; |
| 214 | |
| 215 | put_checksum(&slot_command[0], 7); |
| 216 | 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] | 217 | dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 218 | return -1; |
| 219 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 220 | dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 221 | |
| 222 | /* Will implement the rest soon */ |
| 223 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 224 | dprintk(verbose, DST_CA_INFO, 1, " Slot info = [%d]", slot_info[3]); |
| 225 | dprintk(verbose, DST_CA_INFO, 0, "===================================\n"); |
| 226 | for (i = 0; i < 8; i++) |
| 227 | dprintk(verbose, DST_CA_INFO, 0, " %d", slot_info[i]); |
| 228 | dprintk(verbose, DST_CA_INFO, 0, "\n"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 229 | |
| 230 | if (slot_info[4] & 0x80) { |
| 231 | p_ca_slot_info->flags = CA_CI_MODULE_PRESENT; |
| 232 | p_ca_slot_info->num = 1; |
| 233 | p_ca_slot_info->type = CA_CI; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 234 | } else if (slot_info[4] & 0x40) { |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 235 | p_ca_slot_info->flags = CA_CI_MODULE_READY; |
| 236 | p_ca_slot_info->num = 1; |
| 237 | p_ca_slot_info->type = CA_CI; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 238 | } else |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 239 | p_ca_slot_info->flags = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 240 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 241 | 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] | 242 | return -EFAULT; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 243 | |
| 244 | return 0; |
| 245 | } |
| 246 | |
| 247 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 248 | 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] | 249 | { |
| 250 | u8 i = 0; |
| 251 | u32 command = 0; |
| 252 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 253 | if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 254 | return -EFAULT; |
| 255 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 256 | if (p_ca_message->msg) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 257 | 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] | 258 | |
| 259 | for (i = 0; i < 3; i++) { |
| 260 | command = command | p_ca_message->msg[i]; |
| 261 | if (i < 2) |
| 262 | command = command << 8; |
| 263 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 264 | dprintk(verbose, DST_CA_NOTICE, 1, " Command=[0x%x]", command); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 265 | |
| 266 | switch (command) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 267 | case CA_APP_INFO: |
| 268 | memcpy(p_ca_message->msg, state->messages, 128); |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 269 | if (copy_to_user(arg, p_ca_message, sizeof (struct ca_msg)) ) |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 270 | return -EFAULT; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 271 | break; |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | return 0; |
| 276 | } |
| 277 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 278 | 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] | 279 | { |
Johannes Stezenbach | 4a2cc12 | 2005-05-16 21:54:45 -0700 | [diff] [blame] | 280 | if (state->dst_hw_cap & DST_TYPE_HAS_SESSION) { |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 281 | hw_buffer->msg[2] = p_ca_message->msg[1]; /* MSB */ |
| 282 | hw_buffer->msg[3] = p_ca_message->msg[2]; /* LSB */ |
| 283 | } else { |
| 284 | if (length > 247) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 285 | dprintk(verbose, DST_CA_ERROR, 1, " Message too long ! *** Bailing Out *** !"); |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 286 | return -1; |
| 287 | } |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 288 | hw_buffer->msg[0] = (length & 0xff) + 7; |
| 289 | hw_buffer->msg[1] = 0x40; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 290 | hw_buffer->msg[2] = 0x03; |
| 291 | hw_buffer->msg[3] = 0x00; |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 292 | hw_buffer->msg[4] = 0x03; |
| 293 | hw_buffer->msg[5] = length & 0xff; |
| 294 | hw_buffer->msg[6] = 0x00; |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 295 | /* |
| 296 | * Need to compute length for EN50221 section 8.3.2, for the time being |
| 297 | * assuming 8.3.2 is not applicable |
| 298 | */ |
| 299 | memcpy(&hw_buffer->msg[7], &p_ca_message->msg[4], length); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 300 | } |
| 301 | return 0; |
| 302 | } |
| 303 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 304 | |
| 305 | 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] | 306 | { |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 307 | 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] | 308 | dprintk(verbose, DST_CA_ERROR, 1, " DST-CI Command failed."); |
| 309 | dprintk(verbose, DST_CA_NOTICE, 1, " Resetting DST."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 310 | rdc_reset_state(state); |
| 311 | return -1; |
| 312 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 313 | dprintk(verbose, DST_CA_NOTICE, 1, " DST-CI Command succes."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 314 | |
| 315 | return 0; |
| 316 | } |
| 317 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 318 | static u32 asn_1_decode(u8 *asn_1_array) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 319 | { |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 320 | u8 length_field = 0, word_count = 0, count = 0; |
| 321 | u32 length = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 322 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 323 | length_field = asn_1_array[0]; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 324 | dprintk(verbose, DST_CA_DEBUG, 1, " Length field=[%02x]", length_field); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 325 | if (length_field < 0x80) { |
| 326 | length = length_field & 0x7f; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 327 | dprintk(verbose, DST_CA_DEBUG, 1, " Length=[%02x]\n", length); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 328 | } else { |
| 329 | word_count = length_field & 0x7f; |
| 330 | for (count = 0; count < word_count; count++) { |
Raymond Mantchala | 93a14f1 | 2005-11-08 21:35:17 -0800 | [diff] [blame] | 331 | length = length << 8; |
| 332 | length += asn_1_array[count + 1]; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 333 | dprintk(verbose, DST_CA_DEBUG, 1, " Length=[%04x]", length); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 334 | } |
| 335 | } |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 336 | return length; |
| 337 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 338 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 339 | static int debug_string(u8 *msg, u32 length, u32 offset) |
| 340 | { |
| 341 | u32 i; |
| 342 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 343 | dprintk(verbose, DST_CA_DEBUG, 0, " String=[ "); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 344 | for (i = offset; i < length; i++) |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 345 | dprintk(verbose, DST_CA_DEBUG, 0, "%02x ", msg[i]); |
| 346 | dprintk(verbose, DST_CA_DEBUG, 0, "]\n"); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 347 | |
| 348 | return 0; |
| 349 | } |
| 350 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 351 | static int ca_set_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u8 reply, u8 query) |
| 352 | { |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 353 | u32 length = 0; |
| 354 | u8 tag_length = 8; |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 355 | |
| 356 | length = asn_1_decode(&p_ca_message->msg[3]); |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 357 | dprintk(verbose, DST_CA_DEBUG, 1, " CA Message length=[%d]", length); |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 358 | 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] | 359 | |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 360 | memset(hw_buffer->msg, '\0', length); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 361 | handle_dst_tag(state, p_ca_message, hw_buffer, length); |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 362 | put_checksum(hw_buffer->msg, hw_buffer->msg[0]); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 363 | |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 364 | debug_string(hw_buffer->msg, (length + tag_length), 0); /* tags too */ |
| 365 | write_to_8820(state, hw_buffer, (length + tag_length), reply); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 366 | |
| 367 | return 0; |
| 368 | } |
| 369 | |
| 370 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 371 | /* Board supports CA PMT reply ? */ |
| 372 | static int dst_check_ca_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer) |
| 373 | { |
| 374 | int ca_pmt_reply_test = 0; |
| 375 | |
| 376 | /* Do test board */ |
| 377 | /* Not there yet but soon */ |
| 378 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 379 | /* CA PMT Reply capable */ |
| 380 | if (ca_pmt_reply_test) { |
| 381 | 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] | 382 | dprintk(verbose, DST_CA_ERROR, 1, " ca_set_pmt.. failed !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 383 | return -1; |
| 384 | } |
| 385 | |
| 386 | /* Process CA PMT Reply */ |
| 387 | /* will implement soon */ |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 388 | dprintk(verbose, DST_CA_ERROR, 1, " Not there yet"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 389 | } |
| 390 | /* CA PMT Reply not capable */ |
| 391 | if (!ca_pmt_reply_test) { |
| 392 | 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] | 393 | dprintk(verbose, DST_CA_ERROR, 1, " ca_set_pmt.. failed !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 394 | return -1; |
| 395 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 396 | dprintk(verbose, DST_CA_NOTICE, 1, " ca_set_pmt.. success !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 397 | /* put a dummy message */ |
| 398 | |
| 399 | } |
| 400 | return 0; |
| 401 | } |
| 402 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 403 | 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] | 404 | { |
| 405 | int i = 0; |
| 406 | unsigned int ca_message_header_len; |
| 407 | |
| 408 | u32 command = 0; |
| 409 | struct ca_msg *hw_buffer; |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 410 | int result = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 411 | |
| 412 | 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] | 413 | dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 414 | return -ENOMEM; |
| 415 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 416 | dprintk(verbose, DST_CA_DEBUG, 1, " "); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 417 | |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 418 | if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg))) { |
| 419 | result = -EFAULT; |
| 420 | goto free_mem_and_exit; |
| 421 | } |
| 422 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 423 | |
| 424 | if (p_ca_message->msg) { |
| 425 | ca_message_header_len = p_ca_message->length; /* Restore it back when you are done */ |
| 426 | /* EN50221 tag */ |
| 427 | command = 0; |
| 428 | |
| 429 | for (i = 0; i < 3; i++) { |
| 430 | command = command | p_ca_message->msg[i]; |
| 431 | if (i < 2) |
| 432 | command = command << 8; |
| 433 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 434 | dprintk(verbose, DST_CA_DEBUG, 1, " Command=[0x%x]\n", command); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 435 | |
| 436 | switch (command) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 437 | case CA_PMT: |
| 438 | dprintk(verbose, DST_CA_DEBUG, 1, "Command = SEND_CA_PMT"); |
| 439 | if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, 0)) < 0) { // code simplification started |
| 440 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_PMT Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 441 | result = -1; |
| 442 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 443 | } |
| 444 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_PMT Success !"); |
| 445 | break; |
| 446 | case CA_PMT_REPLY: |
| 447 | dprintk(verbose, DST_CA_INFO, 1, "Command = CA_PMT_REPLY"); |
| 448 | /* Have to handle the 2 basic types of cards here */ |
| 449 | if ((dst_check_ca_pmt(state, p_ca_message, hw_buffer)) < 0) { |
| 450 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_PMT_REPLY Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 451 | result = -1; |
| 452 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 453 | } |
| 454 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_PMT_REPLY Success !"); |
| 455 | break; |
| 456 | case CA_APP_INFO_ENQUIRY: // only for debugging |
| 457 | dprintk(verbose, DST_CA_INFO, 1, " Getting Cam Application information"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 458 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 459 | if ((ca_get_app_info(state)) < 0) { |
| 460 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_APP_INFO_ENQUIRY Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 461 | result = -1; |
| 462 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 463 | } |
| 464 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_APP_INFO_ENQUIRY Success !"); |
| 465 | break; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 466 | } |
| 467 | } |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 468 | free_mem_and_exit: |
| 469 | kfree (hw_buffer); |
| 470 | |
| 471 | return result; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 472 | } |
| 473 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 474 | 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] | 475 | { |
| 476 | struct dvb_device* dvbdev = (struct dvb_device*) file->private_data; |
| 477 | struct dst_state* state = (struct dst_state*) dvbdev->priv; |
| 478 | struct ca_slot_info *p_ca_slot_info; |
| 479 | struct ca_caps *p_ca_caps; |
| 480 | struct ca_msg *p_ca_message; |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 481 | void __user *arg = (void __user *)ioctl_arg; |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 482 | int result = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 483 | |
| 484 | 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] | 485 | dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 486 | return -ENOMEM; |
| 487 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 488 | 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] | 489 | dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 490 | return -ENOMEM; |
| 491 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 492 | 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] | 493 | dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 494 | return -ENOMEM; |
| 495 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 496 | /* We have now only the standard ioctl's, the driver is upposed to handle internals. */ |
| 497 | switch (cmd) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 498 | case CA_SEND_MSG: |
| 499 | dprintk(verbose, DST_CA_INFO, 1, " Sending message"); |
| 500 | if ((ca_send_message(state, p_ca_message, arg)) < 0) { |
| 501 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SEND_MSG Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 502 | result = -1; |
| 503 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 504 | } |
| 505 | break; |
| 506 | case CA_GET_MSG: |
| 507 | dprintk(verbose, DST_CA_INFO, 1, " Getting message"); |
| 508 | if ((ca_get_message(state, p_ca_message, arg)) < 0) { |
| 509 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_MSG 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_MSG Success !"); |
| 514 | break; |
| 515 | case CA_RESET: |
| 516 | dprintk(verbose, DST_CA_ERROR, 1, " Resetting DST"); |
| 517 | dst_error_bailout(state); |
| 518 | msleep(4000); |
| 519 | break; |
| 520 | case CA_GET_SLOT_INFO: |
| 521 | dprintk(verbose, DST_CA_INFO, 1, " Getting Slot info"); |
| 522 | if ((ca_get_slot_info(state, p_ca_slot_info, arg)) < 0) { |
| 523 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_SLOT_INFO Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 524 | result = -1; |
| 525 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 526 | } |
| 527 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_SLOT_INFO Success !"); |
| 528 | break; |
| 529 | case CA_GET_CAP: |
| 530 | dprintk(verbose, DST_CA_INFO, 1, " Getting Slot capabilities"); |
| 531 | if ((ca_get_slot_caps(state, p_ca_caps, arg)) < 0) { |
| 532 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_CAP Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 533 | result = -1; |
| 534 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 535 | } |
| 536 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_CAP Success !"); |
| 537 | break; |
| 538 | case CA_GET_DESCR_INFO: |
| 539 | dprintk(verbose, DST_CA_INFO, 1, " Getting descrambler description"); |
| 540 | if ((ca_get_slot_descr(state, p_ca_message, arg)) < 0) { |
| 541 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_DESCR_INFO Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 542 | result = -1; |
| 543 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 544 | } |
| 545 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_DESCR_INFO Success !"); |
| 546 | break; |
| 547 | case CA_SET_DESCR: |
| 548 | dprintk(verbose, DST_CA_INFO, 1, " Setting descrambler"); |
| 549 | if ((ca_set_slot_descr()) < 0) { |
| 550 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SET_DESCR Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 551 | result = -1; |
| 552 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 553 | } |
| 554 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_SET_DESCR Success !"); |
| 555 | break; |
| 556 | case CA_SET_PID: |
| 557 | dprintk(verbose, DST_CA_INFO, 1, " Setting PID"); |
| 558 | if ((ca_set_pid()) < 0) { |
| 559 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SET_PID Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 560 | result = -1; |
| 561 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 562 | } |
| 563 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_SET_PID Success !"); |
| 564 | default: |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 565 | result = -EOPNOTSUPP; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 566 | }; |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 567 | free_mem_and_exit: |
| 568 | kfree (p_ca_message); |
| 569 | kfree (p_ca_slot_info); |
| 570 | kfree (p_ca_caps); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 571 | |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame^] | 572 | return result; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 573 | } |
| 574 | |
| 575 | static int dst_ca_open(struct inode *inode, struct file *file) |
| 576 | { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 577 | dprintk(verbose, DST_CA_DEBUG, 1, " Device opened [%p] ", file); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 578 | try_module_get(THIS_MODULE); |
| 579 | |
| 580 | return 0; |
| 581 | } |
| 582 | |
| 583 | static int dst_ca_release(struct inode *inode, struct file *file) |
| 584 | { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 585 | dprintk(verbose, DST_CA_DEBUG, 1, " Device closed."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 586 | module_put(THIS_MODULE); |
| 587 | |
| 588 | return 0; |
| 589 | } |
| 590 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 591 | 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] | 592 | { |
| 593 | int bytes_read = 0; |
| 594 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 595 | dprintk(verbose, DST_CA_DEBUG, 1, " Device read."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 596 | |
| 597 | return bytes_read; |
| 598 | } |
| 599 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 600 | 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] | 601 | { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 602 | dprintk(verbose, DST_CA_DEBUG, 1, " Device write."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 603 | |
| 604 | return 0; |
| 605 | } |
| 606 | |
| 607 | static struct file_operations dst_ca_fops = { |
| 608 | .owner = THIS_MODULE, |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 609 | .ioctl = dst_ca_ioctl, |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 610 | .open = dst_ca_open, |
| 611 | .release = dst_ca_release, |
| 612 | .read = dst_ca_read, |
| 613 | .write = dst_ca_write |
| 614 | }; |
| 615 | |
| 616 | static struct dvb_device dvbdev_ca = { |
| 617 | .priv = NULL, |
| 618 | .users = 1, |
| 619 | .readers = 1, |
| 620 | .writers = 1, |
| 621 | .fops = &dst_ca_fops |
| 622 | }; |
| 623 | |
| 624 | int dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter) |
| 625 | { |
| 626 | struct dvb_device *dvbdev; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 627 | dprintk(verbose, DST_CA_ERROR, 1, "registering DST-CA device"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 628 | dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA); |
| 629 | return 0; |
| 630 | } |
| 631 | |
| 632 | EXPORT_SYMBOL(dst_ca_attach); |
| 633 | |
| 634 | MODULE_DESCRIPTION("DST DVB-S/T/C Combo CA driver"); |
| 635 | MODULE_AUTHOR("Manu Abraham"); |
| 636 | MODULE_LICENSE("GPL"); |