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 | |
Henrik Sjoberg | 1f19456 | 2006-06-21 16:33:21 -0300 | [diff] [blame] | 71 | static void put_command_and_length(u8 *data, int command, int length) |
| 72 | { |
| 73 | data[0] = (command >> 16) & 0xff; |
| 74 | data[1] = (command >> 8) & 0xff; |
| 75 | data[2] = command & 0xff; |
| 76 | data[3] = length; |
| 77 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 78 | |
Perceval Anichini | 4fbbc7e | 2005-11-08 21:35:23 -0800 | [diff] [blame] | 79 | static void put_checksum(u8 *check_string, int length) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 80 | { |
Perceval Anichini | 4fbbc7e | 2005-11-08 21:35:23 -0800 | [diff] [blame] | 81 | dprintk(verbose, DST_CA_DEBUG, 1, " Computing string checksum."); |
| 82 | dprintk(verbose, DST_CA_DEBUG, 1, " -> string length : 0x%02x", length); |
| 83 | check_string[length] = dst_check_sum (check_string, length); |
| 84 | dprintk(verbose, DST_CA_DEBUG, 1, " -> checksum : 0x%02x", check_string[length]); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8 len, int read) |
| 88 | { |
| 89 | u8 reply; |
| 90 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 91 | mutex_lock(&state->dst_mutex); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 92 | dst_comm_init(state); |
| 93 | msleep(65); |
| 94 | |
| 95 | if (write_dst(state, data, len)) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 96 | dprintk(verbose, DST_CA_INFO, 1, " Write not successful, trying to recover"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 97 | dst_error_recovery(state); |
Manu Abraham | d28d576 | 2005-11-08 21:35:36 -0800 | [diff] [blame] | 98 | goto error; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 99 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 100 | if ((dst_pio_disable(state)) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 101 | dprintk(verbose, DST_CA_ERROR, 1, " DST PIO disable failed."); |
Manu Abraham | d28d576 | 2005-11-08 21:35:36 -0800 | [diff] [blame] | 102 | goto error; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 103 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 104 | if (read_dst(state, &reply, GET_ACK) < 0) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 105 | dprintk(verbose, DST_CA_INFO, 1, " Read not successful, trying to recover"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 106 | dst_error_recovery(state); |
Manu Abraham | d28d576 | 2005-11-08 21:35:36 -0800 | [diff] [blame] | 107 | goto error; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 108 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 109 | if (read) { |
| 110 | if (! dst_wait_dst_ready(state, LONG_DELAY)) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 111 | dprintk(verbose, DST_CA_NOTICE, 1, " 8820 not ready"); |
Manu Abraham | d28d576 | 2005-11-08 21:35:36 -0800 | [diff] [blame] | 112 | goto error; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 113 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 114 | 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] | 115 | dprintk(verbose, DST_CA_INFO, 1, " Read not successful, trying to recover"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 116 | dst_error_recovery(state); |
Manu Abraham | d28d576 | 2005-11-08 21:35:36 -0800 | [diff] [blame] | 117 | goto error; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 118 | } |
| 119 | } |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 120 | mutex_unlock(&state->dst_mutex); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 121 | return 0; |
Manu Abraham | d28d576 | 2005-11-08 21:35:36 -0800 | [diff] [blame] | 122 | |
| 123 | error: |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 124 | mutex_unlock(&state->dst_mutex); |
Manu Abraham | d28d576 | 2005-11-08 21:35:36 -0800 | [diff] [blame] | 125 | return -EIO; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | |
| 129 | static int dst_put_ci(struct dst_state *state, u8 *data, int len, u8 *ca_string, int read) |
| 130 | { |
| 131 | u8 dst_ca_comm_err = 0; |
| 132 | |
| 133 | while (dst_ca_comm_err < RETRIES) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 134 | dprintk(verbose, DST_CA_NOTICE, 1, " Put Command"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 135 | if (dst_ci_command(state, data, ca_string, len, read)) { // If error |
| 136 | dst_error_recovery(state); |
| 137 | dst_ca_comm_err++; // work required here. |
Henrik Sjoberg | 1f19456 | 2006-06-21 16:33:21 -0300 | [diff] [blame] | 138 | } else { |
| 139 | break; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 140 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 141 | } |
| 142 | |
Henrik Sjoberg | 1f19456 | 2006-06-21 16:33:21 -0300 | [diff] [blame] | 143 | if(dst_ca_comm_err == RETRIES) |
| 144 | return -1; |
| 145 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 146 | return 0; |
| 147 | } |
| 148 | |
| 149 | |
| 150 | |
| 151 | static int ca_get_app_info(struct dst_state *state) |
| 152 | { |
Henrik Sjoberg | 1f19456 | 2006-06-21 16:33:21 -0300 | [diff] [blame] | 153 | int length, str_length; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 154 | static u8 command[8] = {0x07, 0x40, 0x01, 0x00, 0x01, 0x00, 0x00, 0xff}; |
| 155 | |
| 156 | put_checksum(&command[0], command[0]); |
| 157 | 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] | 158 | dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 159 | return -1; |
| 160 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 161 | dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !"); |
| 162 | dprintk(verbose, DST_CA_INFO, 1, " ================================ CI Module Application Info ======================================"); |
| 163 | dprintk(verbose, DST_CA_INFO, 1, " Application Type=[%d], Application Vendor=[%d], Vendor Code=[%d]\n%s: Application info=[%s]", |
| 164 | state->messages[7], (state->messages[8] << 8) | state->messages[9], |
| 165 | (state->messages[10] << 8) | state->messages[11], __FUNCTION__, (char *)(&state->messages[12])); |
| 166 | dprintk(verbose, DST_CA_INFO, 1, " =================================================================================================="); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 167 | |
Henrik Sjoberg | 1f19456 | 2006-06-21 16:33:21 -0300 | [diff] [blame] | 168 | // Transform dst message to correct application_info message |
| 169 | length = state->messages[5]; |
| 170 | str_length = length - 6; |
| 171 | if (str_length < 0) { |
| 172 | str_length = 0; |
| 173 | dprintk(verbose, DST_CA_ERROR, 1, "Invalid string length returned in ca_get_app_info(). Recovering."); |
| 174 | } |
| 175 | |
| 176 | // First, the command and length fields |
| 177 | put_command_and_length(&state->messages[0], CA_APP_INFO, length); |
| 178 | |
| 179 | // Copy application_type, application_manufacturer and manufacturer_code |
| 180 | memcpy(&state->messages[4], &state->messages[7], 5); |
| 181 | |
| 182 | // Set string length and copy string |
| 183 | state->messages[9] = str_length; |
| 184 | memcpy(&state->messages[10], &state->messages[12], str_length); |
| 185 | |
| 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | static int ca_get_ca_info(struct dst_state *state) |
| 190 | { |
| 191 | int srcPtr, dstPtr, i, num_ids; |
| 192 | static u8 slot_command[8] = {0x07, 0x40, 0x00, 0x00, 0x02, 0x00, 0x00, 0xff}; |
| 193 | const int in_system_id_pos = 8, out_system_id_pos = 4, in_num_ids_pos = 7; |
| 194 | |
| 195 | put_checksum(&slot_command[0], slot_command[0]); |
| 196 | if ((dst_put_ci(state, slot_command, sizeof (slot_command), state->messages, GET_REPLY)) < 0) { |
| 197 | dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !"); |
| 198 | return -1; |
| 199 | } |
| 200 | dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !"); |
| 201 | |
| 202 | // Print raw data |
| 203 | dprintk(verbose, DST_CA_INFO, 0, " DST data = ["); |
| 204 | for (i = 0; i < state->messages[0] + 1; i++) { |
| 205 | dprintk(verbose, DST_CA_INFO, 0, " 0x%02x", state->messages[i]); |
| 206 | } |
| 207 | dprintk(verbose, DST_CA_INFO, 0, "]\n"); |
| 208 | |
| 209 | // Set the command and length of the output |
| 210 | num_ids = state->messages[in_num_ids_pos]; |
| 211 | if (num_ids >= 100) { |
| 212 | num_ids = 100; |
| 213 | dprintk(verbose, DST_CA_ERROR, 1, "Invalid number of ids (>100). Recovering."); |
| 214 | } |
| 215 | put_command_and_length(&state->messages[0], CA_INFO, num_ids * 2); |
| 216 | |
| 217 | dprintk(verbose, DST_CA_INFO, 0, " CA_INFO = ["); |
| 218 | srcPtr = in_system_id_pos; |
| 219 | dstPtr = out_system_id_pos; |
| 220 | for(i = 0; i < num_ids; i++) { |
| 221 | dprintk(verbose, DST_CA_INFO, 0, " 0x%02x%02x", state->messages[srcPtr + 0], state->messages[srcPtr + 1]); |
| 222 | // Append to output |
| 223 | state->messages[dstPtr + 0] = state->messages[srcPtr + 0]; |
| 224 | state->messages[dstPtr + 1] = state->messages[srcPtr + 1]; |
| 225 | srcPtr += 2; |
| 226 | dstPtr += 2; |
| 227 | } |
| 228 | dprintk(verbose, DST_CA_INFO, 0, "]\n"); |
| 229 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 230 | return 0; |
| 231 | } |
| 232 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 233 | 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] | 234 | { |
| 235 | int i; |
| 236 | u8 slot_cap[256]; |
| 237 | static u8 slot_command[8] = {0x07, 0x40, 0x02, 0x00, 0x02, 0x00, 0x00, 0xff}; |
| 238 | |
| 239 | put_checksum(&slot_command[0], slot_command[0]); |
| 240 | 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] | 241 | dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 242 | return -1; |
| 243 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 244 | dprintk(verbose, DST_CA_NOTICE, 1, " -->dst_put_ci SUCCESS !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 245 | |
| 246 | /* Will implement the rest soon */ |
| 247 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 248 | dprintk(verbose, DST_CA_INFO, 1, " Slot cap = [%d]", slot_cap[7]); |
| 249 | dprintk(verbose, DST_CA_INFO, 0, "===================================\n"); |
Henrik Sjoberg | 1f19456 | 2006-06-21 16:33:21 -0300 | [diff] [blame] | 250 | for (i = 0; i < slot_cap[0] + 1; i++) |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 251 | dprintk(verbose, DST_CA_INFO, 0, " %d", slot_cap[i]); |
| 252 | dprintk(verbose, DST_CA_INFO, 0, "\n"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 253 | |
| 254 | p_ca_caps->slot_num = 1; |
| 255 | p_ca_caps->slot_type = 1; |
| 256 | p_ca_caps->descr_num = slot_cap[7]; |
| 257 | p_ca_caps->descr_type = 1; |
| 258 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 259 | if (copy_to_user(arg, p_ca_caps, sizeof (struct ca_caps))) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 260 | return -EFAULT; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 261 | |
| 262 | return 0; |
| 263 | } |
| 264 | |
Johannes Stezenbach | 4a2cc12 | 2005-05-16 21:54:45 -0700 | [diff] [blame] | 265 | /* Need some more work */ |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 266 | 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] | 267 | { |
| 268 | return -EOPNOTSUPP; |
| 269 | } |
| 270 | |
| 271 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 272 | 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] | 273 | { |
| 274 | int i; |
| 275 | static u8 slot_command[8] = {0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff}; |
| 276 | |
Manu Abraham | 5c15c0b | 2005-11-08 21:35:24 -0800 | [diff] [blame] | 277 | u8 *slot_info = state->messages; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 278 | |
| 279 | put_checksum(&slot_command[0], 7); |
| 280 | 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] | 281 | dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 282 | return -1; |
| 283 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 284 | dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 285 | |
| 286 | /* Will implement the rest soon */ |
| 287 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 288 | dprintk(verbose, DST_CA_INFO, 1, " Slot info = [%d]", slot_info[3]); |
| 289 | dprintk(verbose, DST_CA_INFO, 0, "===================================\n"); |
| 290 | for (i = 0; i < 8; i++) |
| 291 | dprintk(verbose, DST_CA_INFO, 0, " %d", slot_info[i]); |
| 292 | dprintk(verbose, DST_CA_INFO, 0, "\n"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 293 | |
| 294 | if (slot_info[4] & 0x80) { |
| 295 | p_ca_slot_info->flags = CA_CI_MODULE_PRESENT; |
| 296 | p_ca_slot_info->num = 1; |
| 297 | p_ca_slot_info->type = CA_CI; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 298 | } else if (slot_info[4] & 0x40) { |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 299 | p_ca_slot_info->flags = CA_CI_MODULE_READY; |
| 300 | p_ca_slot_info->num = 1; |
| 301 | p_ca_slot_info->type = CA_CI; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 302 | } else |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 303 | p_ca_slot_info->flags = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 304 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 305 | 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] | 306 | return -EFAULT; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 307 | |
| 308 | return 0; |
| 309 | } |
| 310 | |
| 311 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 312 | 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] | 313 | { |
| 314 | u8 i = 0; |
| 315 | u32 command = 0; |
| 316 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 317 | if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 318 | return -EFAULT; |
| 319 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 320 | if (p_ca_message->msg) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 321 | 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] | 322 | |
| 323 | for (i = 0; i < 3; i++) { |
| 324 | command = command | p_ca_message->msg[i]; |
| 325 | if (i < 2) |
| 326 | command = command << 8; |
| 327 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 328 | dprintk(verbose, DST_CA_NOTICE, 1, " Command=[0x%x]", command); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 329 | |
| 330 | switch (command) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 331 | case CA_APP_INFO: |
| 332 | memcpy(p_ca_message->msg, state->messages, 128); |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 333 | if (copy_to_user(arg, p_ca_message, sizeof (struct ca_msg)) ) |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 334 | return -EFAULT; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 335 | break; |
Henrik Sjoberg | 1f19456 | 2006-06-21 16:33:21 -0300 | [diff] [blame] | 336 | case CA_INFO: |
| 337 | memcpy(p_ca_message->msg, state->messages, 128); |
| 338 | if (copy_to_user(arg, p_ca_message, sizeof (struct ca_msg)) ) |
| 339 | return -EFAULT; |
| 340 | break; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 341 | } |
| 342 | } |
| 343 | |
| 344 | return 0; |
| 345 | } |
| 346 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 347 | 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] | 348 | { |
Johannes Stezenbach | 4a2cc12 | 2005-05-16 21:54:45 -0700 | [diff] [blame] | 349 | if (state->dst_hw_cap & DST_TYPE_HAS_SESSION) { |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 350 | hw_buffer->msg[2] = p_ca_message->msg[1]; /* MSB */ |
| 351 | hw_buffer->msg[3] = p_ca_message->msg[2]; /* LSB */ |
| 352 | } else { |
| 353 | if (length > 247) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 354 | dprintk(verbose, DST_CA_ERROR, 1, " Message too long ! *** Bailing Out *** !"); |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 355 | return -1; |
| 356 | } |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 357 | hw_buffer->msg[0] = (length & 0xff) + 7; |
| 358 | hw_buffer->msg[1] = 0x40; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 359 | hw_buffer->msg[2] = 0x03; |
| 360 | hw_buffer->msg[3] = 0x00; |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 361 | hw_buffer->msg[4] = 0x03; |
| 362 | hw_buffer->msg[5] = length & 0xff; |
| 363 | hw_buffer->msg[6] = 0x00; |
Michael Krufky | 50c25ff | 2006-01-09 15:25:34 -0200 | [diff] [blame] | 364 | |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 365 | /* |
| 366 | * Need to compute length for EN50221 section 8.3.2, for the time being |
| 367 | * assuming 8.3.2 is not applicable |
| 368 | */ |
| 369 | memcpy(&hw_buffer->msg[7], &p_ca_message->msg[4], length); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 370 | } |
Michael Krufky | 50c25ff | 2006-01-09 15:25:34 -0200 | [diff] [blame] | 371 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 372 | return 0; |
| 373 | } |
| 374 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 375 | 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] | 376 | { |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 377 | 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] | 378 | dprintk(verbose, DST_CA_ERROR, 1, " DST-CI Command failed."); |
| 379 | dprintk(verbose, DST_CA_NOTICE, 1, " Resetting DST."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 380 | rdc_reset_state(state); |
| 381 | return -1; |
| 382 | } |
Henrik Sjoberg | 1f19456 | 2006-06-21 16:33:21 -0300 | [diff] [blame] | 383 | dprintk(verbose, DST_CA_NOTICE, 1, " DST-CI Command success."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 384 | |
| 385 | return 0; |
| 386 | } |
| 387 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 388 | static u32 asn_1_decode(u8 *asn_1_array) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 389 | { |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 390 | u8 length_field = 0, word_count = 0, count = 0; |
| 391 | u32 length = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 392 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 393 | length_field = asn_1_array[0]; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 394 | dprintk(verbose, DST_CA_DEBUG, 1, " Length field=[%02x]", length_field); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 395 | if (length_field < 0x80) { |
| 396 | length = length_field & 0x7f; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 397 | dprintk(verbose, DST_CA_DEBUG, 1, " Length=[%02x]\n", length); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 398 | } else { |
| 399 | word_count = length_field & 0x7f; |
| 400 | for (count = 0; count < word_count; count++) { |
Raymond Mantchala | 93a14f1 | 2005-11-08 21:35:17 -0800 | [diff] [blame] | 401 | length = length << 8; |
| 402 | length += asn_1_array[count + 1]; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 403 | dprintk(verbose, DST_CA_DEBUG, 1, " Length=[%04x]", length); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 404 | } |
| 405 | } |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 406 | return length; |
| 407 | } |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 408 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 409 | static int debug_string(u8 *msg, u32 length, u32 offset) |
| 410 | { |
| 411 | u32 i; |
| 412 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 413 | dprintk(verbose, DST_CA_DEBUG, 0, " String=[ "); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 414 | for (i = offset; i < length; i++) |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 415 | dprintk(verbose, DST_CA_DEBUG, 0, "%02x ", msg[i]); |
| 416 | dprintk(verbose, DST_CA_DEBUG, 0, "]\n"); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 417 | |
| 418 | return 0; |
| 419 | } |
| 420 | |
Manu Abraham | 3e357fd | 2006-06-21 15:06:49 -0300 | [diff] [blame] | 421 | |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 422 | static int ca_set_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u8 reply, u8 query) |
| 423 | { |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 424 | u32 length = 0; |
| 425 | u8 tag_length = 8; |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 426 | |
| 427 | length = asn_1_decode(&p_ca_message->msg[3]); |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 428 | dprintk(verbose, DST_CA_DEBUG, 1, " CA Message length=[%d]", length); |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 429 | 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] | 430 | |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 431 | memset(hw_buffer->msg, '\0', length); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 432 | handle_dst_tag(state, p_ca_message, hw_buffer, length); |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 433 | put_checksum(hw_buffer->msg, hw_buffer->msg[0]); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 434 | |
Manu Abraham | 94b7410 | 2005-09-09 13:02:59 -0700 | [diff] [blame] | 435 | debug_string(hw_buffer->msg, (length + tag_length), 0); /* tags too */ |
| 436 | write_to_8820(state, hw_buffer, (length + tag_length), reply); |
Manu Abraham | 7d53421 | 2005-07-07 17:57:50 -0700 | [diff] [blame] | 437 | |
| 438 | return 0; |
| 439 | } |
| 440 | |
| 441 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 442 | /* Board supports CA PMT reply ? */ |
| 443 | static int dst_check_ca_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer) |
| 444 | { |
| 445 | int ca_pmt_reply_test = 0; |
| 446 | |
| 447 | /* Do test board */ |
| 448 | /* Not there yet but soon */ |
| 449 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 450 | /* CA PMT Reply capable */ |
| 451 | if (ca_pmt_reply_test) { |
| 452 | 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] | 453 | dprintk(verbose, DST_CA_ERROR, 1, " ca_set_pmt.. failed !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 454 | return -1; |
| 455 | } |
| 456 | |
| 457 | /* Process CA PMT Reply */ |
| 458 | /* will implement soon */ |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 459 | dprintk(verbose, DST_CA_ERROR, 1, " Not there yet"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 460 | } |
| 461 | /* CA PMT Reply not capable */ |
| 462 | if (!ca_pmt_reply_test) { |
| 463 | 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] | 464 | dprintk(verbose, DST_CA_ERROR, 1, " ca_set_pmt.. failed !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 465 | return -1; |
| 466 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 467 | dprintk(verbose, DST_CA_NOTICE, 1, " ca_set_pmt.. success !"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 468 | /* put a dummy message */ |
| 469 | |
| 470 | } |
| 471 | return 0; |
| 472 | } |
| 473 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 474 | 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] | 475 | { |
| 476 | int i = 0; |
| 477 | unsigned int ca_message_header_len; |
| 478 | |
| 479 | u32 command = 0; |
| 480 | struct ca_msg *hw_buffer; |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 481 | int result = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 482 | |
| 483 | 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] | 484 | dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 485 | return -ENOMEM; |
| 486 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 487 | dprintk(verbose, DST_CA_DEBUG, 1, " "); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 488 | |
Al Viro | 9429917 | 2005-12-15 09:18:45 +0000 | [diff] [blame] | 489 | if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) { |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 490 | result = -EFAULT; |
| 491 | goto free_mem_and_exit; |
| 492 | } |
| 493 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 494 | |
| 495 | if (p_ca_message->msg) { |
| 496 | ca_message_header_len = p_ca_message->length; /* Restore it back when you are done */ |
| 497 | /* EN50221 tag */ |
| 498 | command = 0; |
| 499 | |
| 500 | for (i = 0; i < 3; i++) { |
| 501 | command = command | p_ca_message->msg[i]; |
| 502 | if (i < 2) |
| 503 | command = command << 8; |
| 504 | } |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 505 | dprintk(verbose, DST_CA_DEBUG, 1, " Command=[0x%x]\n", command); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 506 | |
| 507 | switch (command) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 508 | case CA_PMT: |
| 509 | dprintk(verbose, DST_CA_DEBUG, 1, "Command = SEND_CA_PMT"); |
| 510 | if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, 0)) < 0) { // code simplification started |
| 511 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_PMT Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 512 | result = -1; |
| 513 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 514 | } |
| 515 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_PMT Success !"); |
| 516 | break; |
| 517 | case CA_PMT_REPLY: |
| 518 | dprintk(verbose, DST_CA_INFO, 1, "Command = CA_PMT_REPLY"); |
| 519 | /* Have to handle the 2 basic types of cards here */ |
| 520 | if ((dst_check_ca_pmt(state, p_ca_message, hw_buffer)) < 0) { |
| 521 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_PMT_REPLY Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 522 | result = -1; |
| 523 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 524 | } |
| 525 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_PMT_REPLY Success !"); |
| 526 | break; |
| 527 | case CA_APP_INFO_ENQUIRY: // only for debugging |
| 528 | dprintk(verbose, DST_CA_INFO, 1, " Getting Cam Application information"); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 529 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 530 | if ((ca_get_app_info(state)) < 0) { |
| 531 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_APP_INFO_ENQUIRY Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 532 | result = -1; |
| 533 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 534 | } |
| 535 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_APP_INFO_ENQUIRY Success !"); |
| 536 | break; |
Henrik Sjoberg | 1f19456 | 2006-06-21 16:33:21 -0300 | [diff] [blame] | 537 | case CA_INFO_ENQUIRY: |
| 538 | dprintk(verbose, DST_CA_INFO, 1, " Getting CA Information"); |
| 539 | |
| 540 | if ((ca_get_ca_info(state)) < 0) { |
| 541 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_INFO_ENQUIRY Failed !"); |
| 542 | result = -1; |
| 543 | goto free_mem_and_exit; |
| 544 | } |
| 545 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_INFO_ENQUIRY Success !"); |
| 546 | break; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 547 | } |
| 548 | } |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 549 | free_mem_and_exit: |
| 550 | kfree (hw_buffer); |
| 551 | |
| 552 | return result; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 553 | } |
| 554 | |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 555 | 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] | 556 | { |
| 557 | struct dvb_device* dvbdev = (struct dvb_device*) file->private_data; |
| 558 | struct dst_state* state = (struct dst_state*) dvbdev->priv; |
| 559 | struct ca_slot_info *p_ca_slot_info; |
| 560 | struct ca_caps *p_ca_caps; |
| 561 | struct ca_msg *p_ca_message; |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 562 | void __user *arg = (void __user *)ioctl_arg; |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 563 | int result = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 564 | |
Mauro Carvalho Chehab | b57e557 | 2006-06-23 16:13:56 -0300 | [diff] [blame] | 565 | p_ca_message = kmalloc(sizeof (struct ca_msg), GFP_KERNEL); |
| 566 | p_ca_slot_info = kmalloc(sizeof (struct ca_slot_info), GFP_KERNEL); |
| 567 | p_ca_caps = kmalloc(sizeof (struct ca_caps), GFP_KERNEL); |
| 568 | if (!p_ca_message || !p_ca_slot_info || !p_ca_caps) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 569 | dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); |
Mauro Carvalho Chehab | b57e557 | 2006-06-23 16:13:56 -0300 | [diff] [blame] | 570 | result = -ENOMEM; |
| 571 | goto free_mem_and_exit; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 572 | } |
Mauro Carvalho Chehab | b57e557 | 2006-06-23 16:13:56 -0300 | [diff] [blame] | 573 | |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 574 | /* We have now only the standard ioctl's, the driver is upposed to handle internals. */ |
| 575 | switch (cmd) { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 576 | case CA_SEND_MSG: |
| 577 | dprintk(verbose, DST_CA_INFO, 1, " Sending message"); |
| 578 | if ((ca_send_message(state, p_ca_message, arg)) < 0) { |
| 579 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SEND_MSG Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 580 | result = -1; |
| 581 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 582 | } |
| 583 | break; |
| 584 | case CA_GET_MSG: |
| 585 | dprintk(verbose, DST_CA_INFO, 1, " Getting message"); |
| 586 | if ((ca_get_message(state, p_ca_message, arg)) < 0) { |
| 587 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_MSG Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 588 | result = -1; |
| 589 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 590 | } |
| 591 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_MSG Success !"); |
| 592 | break; |
| 593 | case CA_RESET: |
| 594 | dprintk(verbose, DST_CA_ERROR, 1, " Resetting DST"); |
| 595 | dst_error_bailout(state); |
| 596 | msleep(4000); |
| 597 | break; |
| 598 | case CA_GET_SLOT_INFO: |
| 599 | dprintk(verbose, DST_CA_INFO, 1, " Getting Slot info"); |
| 600 | if ((ca_get_slot_info(state, p_ca_slot_info, arg)) < 0) { |
| 601 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_SLOT_INFO Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 602 | result = -1; |
| 603 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 604 | } |
| 605 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_SLOT_INFO Success !"); |
| 606 | break; |
| 607 | case CA_GET_CAP: |
| 608 | dprintk(verbose, DST_CA_INFO, 1, " Getting Slot capabilities"); |
| 609 | if ((ca_get_slot_caps(state, p_ca_caps, arg)) < 0) { |
| 610 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_CAP Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 611 | result = -1; |
| 612 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 613 | } |
| 614 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_CAP Success !"); |
| 615 | break; |
| 616 | case CA_GET_DESCR_INFO: |
| 617 | dprintk(verbose, DST_CA_INFO, 1, " Getting descrambler description"); |
| 618 | if ((ca_get_slot_descr(state, p_ca_message, arg)) < 0) { |
| 619 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_DESCR_INFO Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 620 | result = -1; |
| 621 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 622 | } |
| 623 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_DESCR_INFO Success !"); |
| 624 | break; |
| 625 | case CA_SET_DESCR: |
| 626 | dprintk(verbose, DST_CA_INFO, 1, " Setting descrambler"); |
| 627 | if ((ca_set_slot_descr()) < 0) { |
| 628 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SET_DESCR Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 629 | result = -1; |
| 630 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 631 | } |
| 632 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_SET_DESCR Success !"); |
| 633 | break; |
| 634 | case CA_SET_PID: |
| 635 | dprintk(verbose, DST_CA_INFO, 1, " Setting PID"); |
| 636 | if ((ca_set_pid()) < 0) { |
| 637 | dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SET_PID Failed !"); |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 638 | result = -1; |
| 639 | goto free_mem_and_exit; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 640 | } |
| 641 | dprintk(verbose, DST_CA_INFO, 1, " -->CA_SET_PID Success !"); |
| 642 | default: |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 643 | result = -EOPNOTSUPP; |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 644 | }; |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 645 | free_mem_and_exit: |
| 646 | kfree (p_ca_message); |
| 647 | kfree (p_ca_slot_info); |
| 648 | kfree (p_ca_caps); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 649 | |
Perceval Anichini | f630558 | 2005-11-08 21:35:19 -0800 | [diff] [blame] | 650 | return result; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 651 | } |
| 652 | |
| 653 | static int dst_ca_open(struct inode *inode, struct file *file) |
| 654 | { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 655 | dprintk(verbose, DST_CA_DEBUG, 1, " Device opened [%p] ", file); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 656 | try_module_get(THIS_MODULE); |
| 657 | |
| 658 | return 0; |
| 659 | } |
| 660 | |
| 661 | static int dst_ca_release(struct inode *inode, struct file *file) |
| 662 | { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 663 | dprintk(verbose, DST_CA_DEBUG, 1, " Device closed."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 664 | module_put(THIS_MODULE); |
| 665 | |
| 666 | return 0; |
| 667 | } |
| 668 | |
Al Viro | 9429917 | 2005-12-15 09:18:45 +0000 | [diff] [blame] | 669 | static ssize_t 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] | 670 | { |
Mauro Carvalho Chehab | 07f640f | 2006-05-22 10:31:57 -0300 | [diff] [blame] | 671 | ssize_t bytes_read = 0; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 672 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 673 | dprintk(verbose, DST_CA_DEBUG, 1, " Device read."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 674 | |
| 675 | return bytes_read; |
| 676 | } |
| 677 | |
Al Viro | 9429917 | 2005-12-15 09:18:45 +0000 | [diff] [blame] | 678 | static ssize_t 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] | 679 | { |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 680 | dprintk(verbose, DST_CA_DEBUG, 1, " Device write."); |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 681 | |
| 682 | return 0; |
| 683 | } |
| 684 | |
| 685 | static struct file_operations dst_ca_fops = { |
| 686 | .owner = THIS_MODULE, |
Peter Hagervall | 174f80d | 2005-11-08 21:35:18 -0800 | [diff] [blame] | 687 | .ioctl = dst_ca_ioctl, |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 688 | .open = dst_ca_open, |
| 689 | .release = dst_ca_release, |
| 690 | .read = dst_ca_read, |
| 691 | .write = dst_ca_write |
| 692 | }; |
| 693 | |
| 694 | static struct dvb_device dvbdev_ca = { |
| 695 | .priv = NULL, |
| 696 | .users = 1, |
| 697 | .readers = 1, |
| 698 | .writers = 1, |
| 699 | .fops = &dst_ca_fops |
| 700 | }; |
| 701 | |
Manu Abraham | bbdd11f | 2006-08-08 15:48:08 -0300 | [diff] [blame^] | 702 | struct dvb_device *dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter) |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 703 | { |
| 704 | struct dvb_device *dvbdev; |
Manu Abraham | bbdd11f | 2006-08-08 15:48:08 -0300 | [diff] [blame^] | 705 | |
Manu Abraham | a427de6 | 2005-09-09 13:03:00 -0700 | [diff] [blame] | 706 | dprintk(verbose, DST_CA_ERROR, 1, "registering DST-CA device"); |
Manu Abraham | bbdd11f | 2006-08-08 15:48:08 -0300 | [diff] [blame^] | 707 | if (dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA) == 0) { |
| 708 | dst->dst_ca = dvbdev; |
| 709 | return dst->dst_ca; |
| 710 | } |
| 711 | |
| 712 | return NULL; |
Johannes Stezenbach | 50b215a | 2005-05-16 21:54:41 -0700 | [diff] [blame] | 713 | } |
| 714 | |
| 715 | EXPORT_SYMBOL(dst_ca_attach); |
| 716 | |
| 717 | MODULE_DESCRIPTION("DST DVB-S/T/C Combo CA driver"); |
| 718 | MODULE_AUTHOR("Manu Abraham"); |
| 719 | MODULE_LICENSE("GPL"); |