Steven Toth | 8d4f9d0 | 2008-05-22 18:05:26 -0300 | [diff] [blame] | 1 | /* |
Michael Krufky | 8544706 | 2008-05-22 18:29:20 -0300 | [diff] [blame] | 2 | * Siano core API module |
Steven Toth | 8d4f9d0 | 2008-05-22 18:05:26 -0300 | [diff] [blame] | 3 | * |
Michael Krufky | 8544706 | 2008-05-22 18:29:20 -0300 | [diff] [blame] | 4 | * This file contains implementation for the interface to sms core component |
| 5 | * |
| 6 | * author: Anatoly Greenblat |
| 7 | * |
| 8 | * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc. |
Steven Toth | 8d4f9d0 | 2008-05-22 18:05:26 -0300 | [diff] [blame] | 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
Michael Krufky | 8544706 | 2008-05-22 18:29:20 -0300 | [diff] [blame] | 11 | * it under the terms of the GNU General Public License version 3 as |
| 12 | * published by the Free Software Foundation; |
Steven Toth | 8d4f9d0 | 2008-05-22 18:05:26 -0300 | [diff] [blame] | 13 | * |
Michael Krufky | 8544706 | 2008-05-22 18:29:20 -0300 | [diff] [blame] | 14 | * Software distributed under the License is distributed on an "AS IS" |
| 15 | * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. |
Steven Toth | 8d4f9d0 | 2008-05-22 18:05:26 -0300 | [diff] [blame] | 16 | * |
Michael Krufky | 8544706 | 2008-05-22 18:29:20 -0300 | [diff] [blame] | 17 | * See the GNU General Public License for more details. |
Steven Toth | 8d4f9d0 | 2008-05-22 18:05:26 -0300 | [diff] [blame] | 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | */ |
| 23 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 24 | #include <linux/kernel.h> |
| 25 | #include <linux/init.h> |
| 26 | #include <linux/module.h> |
| 27 | #include <linux/moduleparam.h> |
| 28 | #include <linux/dma-mapping.h> |
| 29 | #include <linux/delay.h> |
| 30 | #include <asm/io.h> |
| 31 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 32 | #include <linux/firmware.h> |
| 33 | |
| 34 | #include "smscoreapi.h" |
Michael Krufky | 02aea4f | 2008-06-26 04:58:30 -0300 | [diff] [blame^] | 35 | #include "sms-cards.h" |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 36 | |
Michael Krufky | f14d56a | 2008-06-19 20:59:08 -0300 | [diff] [blame] | 37 | int sms_debug; |
| 38 | module_param_named(debug, sms_debug, int, 0644); |
| 39 | MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))"); |
| 40 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 41 | struct smscore_device_notifyee_t { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 42 | struct list_head entry; |
| 43 | hotplug_t hotplug; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 44 | }; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 45 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 46 | struct smscore_idlist_t { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 47 | struct list_head entry; |
| 48 | int id; |
| 49 | int data_type; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 50 | }; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 51 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 52 | struct smscore_client_t { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 53 | struct list_head entry; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 54 | struct smscore_device_t *coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 55 | void *context; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 56 | struct list_head idlist; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 57 | onresponse_t onresponse_handler; |
| 58 | onremove_t onremove_handler; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 59 | }; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 60 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 61 | struct smscore_device_t { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 62 | struct list_head entry; |
| 63 | |
| 64 | struct list_head clients; |
| 65 | struct list_head subclients; |
| 66 | spinlock_t clientslock; |
| 67 | |
| 68 | struct list_head buffers; |
| 69 | spinlock_t bufferslock; |
| 70 | int num_buffers; |
| 71 | |
| 72 | void *common_buffer; |
| 73 | int common_buffer_size; |
| 74 | dma_addr_t common_buffer_phys; |
| 75 | |
| 76 | void *context; |
| 77 | struct device *device; |
| 78 | |
| 79 | char devpath[32]; |
| 80 | unsigned long device_flags; |
| 81 | |
| 82 | setmode_t setmode_handler; |
| 83 | detectmode_t detectmode_handler; |
| 84 | sendrequest_t sendrequest_handler; |
| 85 | preload_t preload_handler; |
| 86 | postload_t postload_handler; |
| 87 | |
| 88 | int mode, modes_supported; |
| 89 | |
| 90 | struct completion version_ex_done, data_download_done, trigger_done; |
| 91 | struct completion init_device_done, reload_start_done, resume_done; |
Michael Krufky | 1c11d54 | 2008-06-18 22:09:55 -0300 | [diff] [blame] | 92 | |
| 93 | int board_id; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 94 | }; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 95 | |
Michael Krufky | 1c11d54 | 2008-06-18 22:09:55 -0300 | [diff] [blame] | 96 | void smscore_set_board_id(struct smscore_device_t *core, int id) |
| 97 | { |
| 98 | core->board_id = id; |
| 99 | } |
| 100 | |
| 101 | int smscore_get_board_id(struct smscore_device_t *core) |
| 102 | { |
| 103 | return core->board_id; |
| 104 | } |
| 105 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 106 | struct smscore_registry_entry_t { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 107 | struct list_head entry; |
| 108 | char devpath[32]; |
| 109 | int mode; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 110 | enum sms_device_type_st type; |
| 111 | }; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 112 | |
| 113 | struct list_head g_smscore_notifyees; |
| 114 | struct list_head g_smscore_devices; |
| 115 | kmutex_t g_smscore_deviceslock; |
| 116 | |
| 117 | struct list_head g_smscore_registry; |
| 118 | kmutex_t g_smscore_registrylock; |
| 119 | |
Michael Krufky | dd5b2a5 | 2008-06-18 20:25:25 -0300 | [diff] [blame] | 120 | static int default_mode = 4; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 121 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 122 | module_param(default_mode, int, 0644); |
| 123 | MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); |
| 124 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 125 | static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 126 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 127 | struct smscore_registry_entry_t *entry; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 128 | struct list_head *next; |
| 129 | |
| 130 | kmutex_lock(&g_smscore_registrylock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 131 | for (next = g_smscore_registry.next; |
| 132 | next != &g_smscore_registry; |
| 133 | next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 134 | entry = (struct smscore_registry_entry_t *) next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 135 | if (!strcmp(entry->devpath, devpath)) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 136 | kmutex_unlock(&g_smscore_registrylock); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 137 | return entry; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 138 | } |
| 139 | } |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 140 | entry = (struct smscore_registry_entry_t *) |
| 141 | kmalloc(sizeof(struct smscore_registry_entry_t), |
| 142 | GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 143 | if (entry) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 144 | entry->mode = default_mode; |
| 145 | strcpy(entry->devpath, devpath); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 146 | list_add(&entry->entry, &g_smscore_registry); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 147 | } else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 148 | sms_err("failed to create smscore_registry."); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 149 | kmutex_unlock(&g_smscore_registrylock); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 150 | return entry; |
| 151 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 152 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 153 | int smscore_registry_getmode(char *devpath) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 154 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 155 | struct smscore_registry_entry_t *entry; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 156 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 157 | entry = smscore_find_registry(devpath); |
| 158 | if (entry) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 159 | return entry->mode; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 160 | else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 161 | sms_err("No registry found."); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 162 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 163 | return default_mode; |
| 164 | } |
| 165 | |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 166 | static enum sms_device_type_st smscore_registry_gettype(char *devpath) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 167 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 168 | struct smscore_registry_entry_t *entry; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 169 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 170 | entry = smscore_find_registry(devpath); |
| 171 | if (entry) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 172 | return entry->type; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 173 | else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 174 | sms_err("No registry found."); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 175 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 176 | return -1; |
| 177 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 178 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 179 | void smscore_registry_setmode(char *devpath, int mode) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 180 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 181 | struct smscore_registry_entry_t *entry; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 182 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 183 | entry = smscore_find_registry(devpath); |
| 184 | if (entry) |
| 185 | entry->mode = mode; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 186 | else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 187 | sms_err("No registry found."); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 188 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 189 | |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 190 | static void smscore_registry_settype(char *devpath, |
| 191 | enum sms_device_type_st type) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 192 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 193 | struct smscore_registry_entry_t *entry; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 194 | |
| 195 | entry = smscore_find_registry(devpath); |
| 196 | if (entry) |
| 197 | entry->type = type; |
| 198 | else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 199 | sms_err("No registry found."); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 200 | } |
| 201 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 202 | |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 203 | static void list_add_locked(struct list_head *new, struct list_head *head, |
| 204 | spinlock_t *lock) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 205 | { |
| 206 | unsigned long flags; |
| 207 | |
| 208 | spin_lock_irqsave(lock, flags); |
| 209 | |
| 210 | list_add(new, head); |
| 211 | |
| 212 | spin_unlock_irqrestore(lock, flags); |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * register a client callback that called when device plugged in/unplugged |
| 217 | * NOTE: if devices exist callback is called immediately for each device |
| 218 | * |
| 219 | * @param hotplug callback |
| 220 | * |
| 221 | * @return 0 on success, <0 on error. |
| 222 | */ |
| 223 | int smscore_register_hotplug(hotplug_t hotplug) |
| 224 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 225 | struct smscore_device_notifyee_t *notifyee; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 226 | struct list_head *next, *first; |
| 227 | int rc = 0; |
| 228 | |
| 229 | kmutex_lock(&g_smscore_deviceslock); |
| 230 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 231 | notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), |
| 232 | GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 233 | if (notifyee) { |
| 234 | /* now notify callback about existing devices */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 235 | first = &g_smscore_devices; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 236 | for (next = first->next; |
| 237 | next != first && !rc; |
| 238 | next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 239 | struct smscore_device_t *coredev = |
| 240 | (struct smscore_device_t *) next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 241 | rc = hotplug(coredev, coredev->device, 1); |
| 242 | } |
| 243 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 244 | if (rc >= 0) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 245 | notifyee->hotplug = hotplug; |
| 246 | list_add(¬ifyee->entry, &g_smscore_notifyees); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 247 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 248 | kfree(notifyee); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 249 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 250 | rc = -ENOMEM; |
| 251 | |
| 252 | kmutex_unlock(&g_smscore_deviceslock); |
| 253 | |
| 254 | return rc; |
| 255 | } |
| 256 | |
| 257 | /** |
| 258 | * unregister a client callback that called when device plugged in/unplugged |
| 259 | * |
| 260 | * @param hotplug callback |
| 261 | * |
| 262 | */ |
| 263 | void smscore_unregister_hotplug(hotplug_t hotplug) |
| 264 | { |
| 265 | struct list_head *next, *first; |
| 266 | |
| 267 | kmutex_lock(&g_smscore_deviceslock); |
| 268 | |
| 269 | first = &g_smscore_notifyees; |
| 270 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 271 | for (next = first->next; next != first;) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 272 | struct smscore_device_notifyee_t *notifyee = |
| 273 | (struct smscore_device_notifyee_t *) next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 274 | next = next->next; |
| 275 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 276 | if (notifyee->hotplug == hotplug) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 277 | list_del(¬ifyee->entry); |
| 278 | kfree(notifyee); |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | kmutex_unlock(&g_smscore_deviceslock); |
| 283 | } |
| 284 | |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 285 | static void smscore_notify_clients(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 286 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 287 | struct smscore_client_t *client; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 288 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 289 | /* the client must call smscore_unregister_client from remove handler */ |
| 290 | while (!list_empty(&coredev->clients)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 291 | client = (struct smscore_client_t *) coredev->clients.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 292 | client->onremove_handler(client->context); |
| 293 | } |
| 294 | } |
| 295 | |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 296 | static int smscore_notify_callbacks(struct smscore_device_t *coredev, |
| 297 | struct device *device, int arrival) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 298 | { |
| 299 | struct list_head *next, *first; |
| 300 | int rc = 0; |
| 301 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 302 | /* note: must be called under g_deviceslock */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 303 | |
| 304 | first = &g_smscore_notifyees; |
| 305 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 306 | for (next = first->next; next != first; next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 307 | rc = ((struct smscore_device_notifyee_t *) next)-> |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 308 | hotplug(coredev, device, arrival); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 309 | if (rc < 0) |
| 310 | break; |
| 311 | } |
| 312 | |
| 313 | return rc; |
| 314 | } |
| 315 | |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 316 | static struct |
| 317 | smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 318 | dma_addr_t common_buffer_phys) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 319 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 320 | struct smscore_buffer_t *cb = |
| 321 | kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 322 | if (!cb) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 323 | sms_info("kmalloc(...) failed"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 324 | return NULL; |
| 325 | } |
| 326 | |
| 327 | cb->p = buffer; |
Michael Krufky | 494d24c | 2008-06-14 07:40:41 -0300 | [diff] [blame] | 328 | cb->offset_in_common = buffer - (u8 *) common_buffer; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 329 | cb->phys = common_buffer_phys + cb->offset_in_common; |
| 330 | |
| 331 | return cb; |
| 332 | } |
| 333 | |
| 334 | /** |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 335 | * creates coredev object for a device, prepares buffers, |
| 336 | * creates buffer mappings, notifies registered hotplugs about new device. |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 337 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 338 | * @param params device pointer to struct with device specific parameters |
| 339 | * and handlers |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 340 | * @param coredev pointer to a value that receives created coredev object |
| 341 | * |
| 342 | * @return 0 on success, <0 on error. |
| 343 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 344 | int smscore_register_device(struct smsdevice_params_t *params, |
| 345 | struct smscore_device_t **coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 346 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 347 | struct smscore_device_t *dev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 348 | u8 *buffer; |
| 349 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 350 | dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 351 | if (!dev) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 352 | sms_info("kzalloc(...) failed"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 353 | return -ENOMEM; |
| 354 | } |
| 355 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 356 | /* init list entry so it could be safe in smscore_unregister_device */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 357 | INIT_LIST_HEAD(&dev->entry); |
| 358 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 359 | /* init queues */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 360 | INIT_LIST_HEAD(&dev->clients); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 361 | INIT_LIST_HEAD(&dev->buffers); |
| 362 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 363 | /* init locks */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 364 | spin_lock_init(&dev->clientslock); |
| 365 | spin_lock_init(&dev->bufferslock); |
| 366 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 367 | /* init completion events */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 368 | init_completion(&dev->version_ex_done); |
| 369 | init_completion(&dev->data_download_done); |
| 370 | init_completion(&dev->trigger_done); |
| 371 | init_completion(&dev->init_device_done); |
| 372 | init_completion(&dev->reload_start_done); |
| 373 | init_completion(&dev->resume_done); |
| 374 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 375 | /* alloc common buffer */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 376 | dev->common_buffer_size = params->buffer_size * params->num_buffers; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 377 | dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, |
| 378 | &dev->common_buffer_phys, |
| 379 | GFP_KERNEL | GFP_DMA); |
| 380 | if (!dev->common_buffer) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 381 | smscore_unregister_device(dev); |
| 382 | return -ENOMEM; |
| 383 | } |
| 384 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 385 | /* prepare dma buffers */ |
| 386 | for (buffer = dev->common_buffer; |
| 387 | dev->num_buffers < params->num_buffers; |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 388 | dev->num_buffers++, buffer += params->buffer_size) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 389 | struct smscore_buffer_t *cb = |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 390 | smscore_createbuffer(buffer, dev->common_buffer, |
| 391 | dev->common_buffer_phys); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 392 | if (!cb) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 393 | smscore_unregister_device(dev); |
| 394 | return -ENOMEM; |
| 395 | } |
| 396 | |
| 397 | smscore_putbuffer(dev, cb); |
| 398 | } |
| 399 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 400 | sms_info("allocated %d buffers", dev->num_buffers); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 401 | |
| 402 | dev->mode = DEVICE_MODE_NONE; |
| 403 | dev->context = params->context; |
| 404 | dev->device = params->device; |
| 405 | dev->setmode_handler = params->setmode_handler; |
| 406 | dev->detectmode_handler = params->detectmode_handler; |
| 407 | dev->sendrequest_handler = params->sendrequest_handler; |
| 408 | dev->preload_handler = params->preload_handler; |
| 409 | dev->postload_handler = params->postload_handler; |
| 410 | |
| 411 | dev->device_flags = params->flags; |
| 412 | strcpy(dev->devpath, params->devpath); |
| 413 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 414 | smscore_registry_settype(dev->devpath, params->device_type); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 415 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 416 | /* add device to devices list */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 417 | kmutex_lock(&g_smscore_deviceslock); |
| 418 | list_add(&dev->entry, &g_smscore_devices); |
| 419 | kmutex_unlock(&g_smscore_deviceslock); |
| 420 | |
| 421 | *coredev = dev; |
| 422 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 423 | sms_info("device %p created", dev); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 424 | |
| 425 | return 0; |
| 426 | } |
| 427 | |
| 428 | /** |
| 429 | * sets initial device mode and notifies client hotplugs that device is ready |
| 430 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 431 | * @param coredev pointer to a coredev object returned by |
| 432 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 433 | * |
| 434 | * @return 0 on success, <0 on error. |
| 435 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 436 | int smscore_start_device(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 437 | { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 438 | int rc = smscore_set_device_mode( |
| 439 | coredev, smscore_registry_getmode(coredev->devpath)); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 440 | if (rc < 0) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 441 | sms_info("set device mode faile , rc %d", rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 442 | return rc; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 443 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 444 | |
| 445 | kmutex_lock(&g_smscore_deviceslock); |
| 446 | |
| 447 | rc = smscore_notify_callbacks(coredev, coredev->device, 1); |
| 448 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 449 | sms_info("device %p started, rc %d", coredev, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 450 | |
| 451 | kmutex_unlock(&g_smscore_deviceslock); |
| 452 | |
| 453 | return rc; |
| 454 | } |
| 455 | |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 456 | static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev, |
| 457 | void *buffer, size_t size, |
| 458 | struct completion *completion) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 459 | { |
| 460 | int rc = coredev->sendrequest_handler(coredev->context, buffer, size); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 461 | if (rc < 0) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 462 | sms_info("sendrequest returned error %d", rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 463 | return rc; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 464 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 465 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 466 | return wait_for_completion_timeout(completion, |
| 467 | msecs_to_jiffies(10000)) ? |
| 468 | 0 : -ETIME; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 469 | } |
| 470 | |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 471 | static int smscore_load_firmware_family2(struct smscore_device_t *coredev, |
| 472 | void *buffer, size_t size) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 473 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 474 | struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer; |
| 475 | struct SmsMsgHdr_ST *msg; |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 476 | u32 mem_address = firmware->StartAddress; |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 477 | u8 *payload = firmware->Payload; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 478 | int rc = 0; |
| 479 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 480 | sms_info("loading FW to addr 0x%x size %d", |
| 481 | mem_address, firmware->Length); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 482 | if (coredev->preload_handler) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 483 | rc = coredev->preload_handler(coredev->context); |
| 484 | if (rc < 0) |
| 485 | return rc; |
| 486 | } |
| 487 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 488 | /* PAGE_SIZE buffer shall be enough and dma aligned */ |
Michael Krufky | e080842 | 2008-06-15 19:11:37 -0300 | [diff] [blame] | 489 | msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 490 | if (!msg) |
| 491 | return -ENOMEM; |
| 492 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 493 | if (coredev->mode != DEVICE_MODE_NONE) { |
Michael Krufky | 2522dc1 | 2008-06-19 22:15:38 -0300 | [diff] [blame] | 494 | sms_debug("sending reload command."); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 495 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 496 | sizeof(struct SmsMsgHdr_ST)); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 497 | rc = smscore_sendrequest_and_wait(coredev, msg, |
| 498 | msg->msgLength, |
| 499 | &coredev->reload_start_done); |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 500 | mem_address = *(u32 *) &payload[20]; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 501 | } |
| 502 | |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 503 | while (size && rc >= 0) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 504 | struct SmsDataDownload_ST *DataMsg = |
| 505 | (struct SmsDataDownload_ST *) msg; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 506 | int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); |
| 507 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 508 | SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 509 | (u16)(sizeof(struct SmsMsgHdr_ST) + |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 510 | sizeof(u32) + payload_size)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 511 | |
| 512 | DataMsg->MemAddr = mem_address; |
| 513 | memcpy(DataMsg->Payload, payload, payload_size); |
| 514 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 515 | if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && |
| 516 | (coredev->mode == DEVICE_MODE_NONE)) |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 517 | rc = coredev->sendrequest_handler( |
| 518 | coredev->context, DataMsg, |
| 519 | DataMsg->xMsgHeader.msgLength); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 520 | else |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 521 | rc = smscore_sendrequest_and_wait( |
| 522 | coredev, DataMsg, |
| 523 | DataMsg->xMsgHeader.msgLength, |
| 524 | &coredev->data_download_done); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 525 | |
| 526 | payload += payload_size; |
| 527 | size -= payload_size; |
| 528 | mem_address += payload_size; |
| 529 | } |
| 530 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 531 | if (rc >= 0) { |
| 532 | if (coredev->mode == DEVICE_MODE_NONE) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 533 | struct SmsMsgData_ST *TriggerMsg = |
| 534 | (struct SmsMsgData_ST *) msg; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 535 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 536 | SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 537 | sizeof(struct SmsMsgHdr_ST) + |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 538 | sizeof(u32) * 5); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 539 | |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 540 | TriggerMsg->msgData[0] = firmware->StartAddress; |
| 541 | /* Entry point */ |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 542 | TriggerMsg->msgData[1] = 5; /* Priority */ |
| 543 | TriggerMsg->msgData[2] = 0x200; /* Stack size */ |
| 544 | TriggerMsg->msgData[3] = 0; /* Parameter */ |
| 545 | TriggerMsg->msgData[4] = 4; /* Task ID */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 546 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 547 | if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 548 | rc = coredev->sendrequest_handler( |
| 549 | coredev->context, TriggerMsg, |
| 550 | TriggerMsg->xMsgHeader.msgLength); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 551 | msleep(100); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 552 | } else |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 553 | rc = smscore_sendrequest_and_wait( |
| 554 | coredev, TriggerMsg, |
| 555 | TriggerMsg->xMsgHeader.msgLength, |
| 556 | &coredev->trigger_done); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 557 | } else { |
| 558 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 559 | sizeof(struct SmsMsgHdr_ST)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 560 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 561 | rc = coredev->sendrequest_handler(coredev->context, |
| 562 | msg, msg->msgLength); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 563 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 564 | msleep(500); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 565 | } |
| 566 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 567 | sms_debug("rc=%d, postload=%p ", rc, |
Michael Krufky | 068d6c0 | 2008-06-19 01:15:46 -0300 | [diff] [blame] | 568 | coredev->postload_handler); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 569 | |
| 570 | kfree(msg); |
| 571 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 572 | return ((rc >= 0) && coredev->postload_handler) ? |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 573 | coredev->postload_handler(coredev->context) : |
| 574 | rc; |
| 575 | } |
| 576 | |
| 577 | /** |
| 578 | * loads specified firmware into a buffer and calls device loadfirmware_handler |
| 579 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 580 | * @param coredev pointer to a coredev object returned by |
| 581 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 582 | * @param filename null-terminated string specifies firmware file name |
| 583 | * @param loadfirmware_handler device handler that loads firmware |
| 584 | * |
| 585 | * @return 0 on success, <0 on error. |
| 586 | */ |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 587 | static int smscore_load_firmware_from_file(struct smscore_device_t *coredev, |
| 588 | char *filename, |
| 589 | loadfirmware_t loadfirmware_handler) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 590 | { |
| 591 | int rc = -ENOENT; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 592 | const struct firmware *fw; |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 593 | u8 *fw_buffer; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 594 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 595 | if (loadfirmware_handler == NULL && !(coredev->device_flags & |
| 596 | SMS_DEVICE_FAMILY2)) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 597 | return -EINVAL; |
| 598 | |
| 599 | rc = request_firmware(&fw, filename, coredev->device); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 600 | if (rc < 0) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 601 | sms_info("failed to open \"%s\"", filename); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 602 | return rc; |
| 603 | } |
Michael Krufky | 02aea4f | 2008-06-26 04:58:30 -0300 | [diff] [blame^] | 604 | sms_info("read FW %s, size=%d", filename, fw->size); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 605 | fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), |
| 606 | GFP_KERNEL | GFP_DMA); |
| 607 | if (fw_buffer) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 608 | memcpy(fw_buffer, fw->data, fw->size); |
| 609 | |
| 610 | rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 611 | smscore_load_firmware_family2(coredev, |
| 612 | fw_buffer, |
| 613 | fw->size) : |
| 614 | loadfirmware_handler(coredev->context, |
| 615 | fw_buffer, fw->size); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 616 | |
| 617 | kfree(fw_buffer); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 618 | } else { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 619 | sms_info("failed to allocate firmware buffer"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 620 | rc = -ENOMEM; |
| 621 | } |
| 622 | |
| 623 | release_firmware(fw); |
| 624 | |
| 625 | return rc; |
| 626 | } |
| 627 | |
| 628 | /** |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 629 | * notifies all clients registered with the device, notifies hotplugs, |
| 630 | * frees all buffers and coredev object |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 631 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 632 | * @param coredev pointer to a coredev object returned by |
| 633 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 634 | * |
| 635 | * @return 0 on success, <0 on error. |
| 636 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 637 | void smscore_unregister_device(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 638 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 639 | struct smscore_buffer_t *cb; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 640 | int num_buffers = 0; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 641 | int retry = 0; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 642 | |
| 643 | kmutex_lock(&g_smscore_deviceslock); |
| 644 | |
| 645 | smscore_notify_clients(coredev); |
| 646 | smscore_notify_callbacks(coredev, NULL, 0); |
| 647 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 648 | /* at this point all buffers should be back |
| 649 | * onresponse must no longer be called */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 650 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 651 | while (1) { |
| 652 | while ((cb = smscore_getbuffer(coredev))) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 653 | kfree(cb); |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 654 | num_buffers++; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 655 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 656 | if (num_buffers == coredev->num_buffers) |
| 657 | break; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 658 | if (++retry > 10) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 659 | sms_info("exiting although " |
| 660 | "not all buffers released."); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 661 | break; |
| 662 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 663 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 664 | sms_info("waiting for %d buffer(s)", |
Michael Krufky | 068d6c0 | 2008-06-19 01:15:46 -0300 | [diff] [blame] | 665 | coredev->num_buffers - num_buffers); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 666 | msleep(100); |
| 667 | } |
| 668 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 669 | sms_info("freed %d buffers", num_buffers); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 670 | |
| 671 | if (coredev->common_buffer) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 672 | dma_free_coherent(NULL, coredev->common_buffer_size, |
| 673 | coredev->common_buffer, |
| 674 | coredev->common_buffer_phys); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 675 | |
| 676 | list_del(&coredev->entry); |
| 677 | kfree(coredev); |
| 678 | |
| 679 | kmutex_unlock(&g_smscore_deviceslock); |
| 680 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 681 | sms_info("device %p destroyed", coredev); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 682 | } |
| 683 | |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 684 | static int smscore_detect_mode(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 685 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 686 | void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 687 | GFP_KERNEL | GFP_DMA); |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 688 | struct SmsMsgHdr_ST *msg = |
| 689 | (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 690 | int rc; |
| 691 | |
| 692 | if (!buffer) |
| 693 | return -ENOMEM; |
| 694 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 695 | SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, |
| 696 | sizeof(struct SmsMsgHdr_ST)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 697 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 698 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, |
| 699 | &coredev->version_ex_done); |
| 700 | if (rc == -ETIME) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 701 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 702 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 703 | if (wait_for_completion_timeout(&coredev->resume_done, |
| 704 | msecs_to_jiffies(5000))) { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 705 | rc = smscore_sendrequest_and_wait( |
| 706 | coredev, msg, msg->msgLength, |
| 707 | &coredev->version_ex_done); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 708 | if (rc < 0) |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 709 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed " |
| 710 | "second try, rc %d", rc); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 711 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 712 | rc = -ETIME; |
| 713 | } |
| 714 | |
| 715 | kfree(buffer); |
| 716 | |
| 717 | return rc; |
| 718 | } |
| 719 | |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 720 | static char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = { |
Michael Krufky | fbd05c8 | 2008-06-15 19:27:35 -0300 | [diff] [blame] | 721 | /*Stellar NOVA A0 Nova B0 VEGA*/ |
| 722 | /*DVBT*/ |
| 723 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 724 | /*DVBH*/ |
| 725 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 726 | /*TDMB*/ |
| 727 | {"none", "tdmb_nova_12mhz.inp", "none", "none"}, |
| 728 | /*DABIP*/ |
| 729 | {"none", "none", "none", "none"}, |
| 730 | /*BDA*/ |
| 731 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 732 | /*ISDBT*/ |
| 733 | {"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"}, |
| 734 | /*ISDBTBDA*/ |
| 735 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, |
| 736 | /*CMMB*/ |
| 737 | {"none", "none", "none", "cmmb_vega_12mhz.inp"} |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 738 | }; |
| 739 | |
Michael Krufky | 02aea4f | 2008-06-26 04:58:30 -0300 | [diff] [blame^] | 740 | static inline char *sms_get_fw_name(struct smscore_device_t *coredev, |
| 741 | int mode, enum sms_device_type_st type) |
| 742 | { |
| 743 | char **fw = sms_get_board(smscore_get_board_id(coredev))->fw; |
| 744 | return (fw && fw[mode]) ? fw[mode] : smscore_fw_lkup[mode][type]; |
| 745 | } |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 746 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 747 | /** |
| 748 | * calls device handler to change mode of operation |
| 749 | * NOTE: stellar/usb may disconnect when changing mode |
| 750 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 751 | * @param coredev pointer to a coredev object returned by |
| 752 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 753 | * @param mode requested mode of operation |
| 754 | * |
| 755 | * @return 0 on success, <0 on error. |
| 756 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 757 | int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 758 | { |
| 759 | void *buffer; |
| 760 | int rc = 0; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 761 | enum sms_device_type_st type; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 762 | |
Michael Krufky | 2522dc1 | 2008-06-19 22:15:38 -0300 | [diff] [blame] | 763 | sms_debug("set device mode to %d", mode); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 764 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { |
| 765 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) { |
Michael Krufky | eb25094 | 2008-06-19 22:07:23 -0300 | [diff] [blame] | 766 | sms_err("invalid mode specified %d", mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 767 | return -EINVAL; |
| 768 | } |
| 769 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 770 | smscore_registry_setmode(coredev->devpath, mode); |
| 771 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 772 | if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 773 | rc = smscore_detect_mode(coredev); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 774 | if (rc < 0) { |
Michael Krufky | eb25094 | 2008-06-19 22:07:23 -0300 | [diff] [blame] | 775 | sms_err("mode detect failed %d", rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 776 | return rc; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 777 | } |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 778 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 779 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 780 | if (coredev->mode == mode) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 781 | sms_info("device mode %d already set", mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 782 | return 0; |
| 783 | } |
| 784 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 785 | if (!(coredev->modes_supported & (1 << mode))) { |
Michael Krufky | 02aea4f | 2008-06-26 04:58:30 -0300 | [diff] [blame^] | 786 | char *fw_filename; |
| 787 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 788 | type = smscore_registry_gettype(coredev->devpath); |
Michael Krufky | 02aea4f | 2008-06-26 04:58:30 -0300 | [diff] [blame^] | 789 | fw_filename = sms_get_fw_name(coredev, mode, type); |
| 790 | |
| 791 | rc = smscore_load_firmware_from_file(coredev, |
| 792 | fw_filename, NULL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 793 | if (rc < 0) { |
Michael Krufky | 02aea4f | 2008-06-26 04:58:30 -0300 | [diff] [blame^] | 794 | sms_err("error %d loading firmware: %s, " |
| 795 | "trying again with default firmware", |
| 796 | rc, fw_filename); |
| 797 | |
| 798 | /* try again with the default firmware */ |
| 799 | rc = smscore_load_firmware_from_file(coredev, |
| 800 | smscore_fw_lkup[mode][type], NULL); |
| 801 | |
| 802 | if (rc < 0) { |
| 803 | sms_err("load firmware failed %d", rc); |
| 804 | return rc; |
| 805 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 806 | } |
| 807 | } else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 808 | sms_info("mode %d supported by running " |
| 809 | "firmware", mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 810 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 811 | buffer = kmalloc(sizeof(struct SmsMsgData_ST) + |
| 812 | SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 813 | if (buffer) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 814 | struct SmsMsgData_ST *msg = |
| 815 | (struct SmsMsgData_ST *) |
| 816 | SMS_ALIGN_ADDRESS(buffer); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 817 | |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 818 | SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 819 | sizeof(struct SmsMsgData_ST)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 820 | msg->msgData[0] = mode; |
| 821 | |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 822 | rc = smscore_sendrequest_and_wait( |
| 823 | coredev, msg, msg->xMsgHeader.msgLength, |
| 824 | &coredev->init_device_done); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 825 | |
| 826 | kfree(buffer); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 827 | } else { |
Michael Krufky | eb25094 | 2008-06-19 22:07:23 -0300 | [diff] [blame] | 828 | sms_err("Could not allocate buffer for " |
| 829 | "init device message."); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 830 | rc = -ENOMEM; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 831 | } |
| 832 | } else { |
| 833 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { |
Michael Krufky | eb25094 | 2008-06-19 22:07:23 -0300 | [diff] [blame] | 834 | sms_err("invalid mode specified %d", mode); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 835 | return -EINVAL; |
| 836 | } |
| 837 | |
| 838 | smscore_registry_setmode(coredev->devpath, mode); |
| 839 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 840 | if (coredev->detectmode_handler) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 841 | coredev->detectmode_handler(coredev->context, |
| 842 | &coredev->mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 843 | |
| 844 | if (coredev->mode != mode && coredev->setmode_handler) |
| 845 | rc = coredev->setmode_handler(coredev->context, mode); |
| 846 | } |
| 847 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 848 | if (rc >= 0) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 849 | coredev->mode = mode; |
| 850 | coredev->device_flags &= ~SMS_DEVICE_NOT_READY; |
| 851 | } |
| 852 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 853 | if (rc != 0) |
Michael Krufky | eb25094 | 2008-06-19 22:07:23 -0300 | [diff] [blame] | 854 | sms_err("return error code %d.", rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 855 | return rc; |
| 856 | } |
| 857 | |
| 858 | /** |
| 859 | * calls device handler to get current mode of operation |
| 860 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 861 | * @param coredev pointer to a coredev object returned by |
| 862 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 863 | * |
| 864 | * @return current mode |
| 865 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 866 | int smscore_get_device_mode(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 867 | { |
| 868 | return coredev->mode; |
| 869 | } |
| 870 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 871 | /** |
| 872 | * find client by response id & type within the clients list. |
| 873 | * return client handle or NULL. |
| 874 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 875 | * @param coredev pointer to a coredev object returned by |
| 876 | * smscore_register_device |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 877 | * @param data_type client data type (SMS_DONT_CARE for all types) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 878 | * @param id client id (SMS_DONT_CARE for all id) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 879 | * |
| 880 | */ |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 881 | static struct |
| 882 | smscore_client_t *smscore_find_client(struct smscore_device_t *coredev, |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 883 | int data_type, int id) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 884 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 885 | struct smscore_client_t *client = NULL; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 886 | struct list_head *next, *first; |
| 887 | unsigned long flags; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 888 | struct list_head *firstid, *nextid; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 889 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 890 | |
| 891 | spin_lock_irqsave(&coredev->clientslock, flags); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 892 | first = &coredev->clients; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 893 | for (next = first->next; |
| 894 | (next != first) && !client; |
| 895 | next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 896 | firstid = &((struct smscore_client_t *)next)->idlist; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 897 | for (nextid = firstid->next; |
| 898 | nextid != firstid; |
| 899 | nextid = nextid->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 900 | if ((((struct smscore_idlist_t *)nextid)->id == id) && |
| 901 | (((struct smscore_idlist_t *)nextid)->data_type == data_type || |
| 902 | (((struct smscore_idlist_t *)nextid)->data_type == 0))) { |
| 903 | client = (struct smscore_client_t *) next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 904 | break; |
| 905 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 906 | } |
| 907 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 908 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 909 | return client; |
| 910 | } |
| 911 | |
| 912 | /** |
| 913 | * find client by response id/type, call clients onresponse handler |
| 914 | * return buffer to pool on error |
| 915 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 916 | * @param coredev pointer to a coredev object returned by |
| 917 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 918 | * @param cb pointer to response buffer descriptor |
| 919 | * |
| 920 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 921 | void smscore_onresponse(struct smscore_device_t *coredev, |
| 922 | struct smscore_buffer_t *cb) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 923 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 924 | struct SmsMsgHdr_ST *phdr = |
| 925 | (struct SmsMsgHdr_ST *)((u8 *) cb->p + cb->offset); |
| 926 | struct smscore_client_t *client = |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 927 | smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 928 | int rc = -EBUSY; |
| 929 | |
Michael Krufky | fbd05c8 | 2008-06-15 19:27:35 -0300 | [diff] [blame] | 930 | static unsigned long last_sample_time; /* = 0; */ |
| 931 | static int data_total; /* = 0; */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 932 | unsigned long time_now = jiffies_to_msecs(jiffies); |
| 933 | |
| 934 | if (!last_sample_time) |
| 935 | last_sample_time = time_now; |
| 936 | |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 937 | if (time_now - last_sample_time > 10000) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 938 | sms_debug("\ndata rate %d bytes/secs", |
Michael Krufky | 068d6c0 | 2008-06-19 01:15:46 -0300 | [diff] [blame] | 939 | (int)((data_total * 1000) / |
| 940 | (time_now - last_sample_time))); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 941 | |
| 942 | last_sample_time = time_now; |
| 943 | data_total = 0; |
| 944 | } |
| 945 | |
| 946 | data_total += cb->size; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 947 | /* If no client registered for type & id, |
| 948 | * check for control client where type is not registered */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 949 | if (client) |
| 950 | rc = client->onresponse_handler(client->context, cb); |
| 951 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 952 | if (rc < 0) { |
| 953 | switch (phdr->msgType) { |
| 954 | case MSG_SMS_GET_VERSION_EX_RES: |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 955 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 956 | struct SmsVersionRes_ST *ver = |
| 957 | (struct SmsVersionRes_ST *) phdr; |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 958 | sms_debug("MSG_SMS_GET_VERSION_EX_RES " |
| 959 | "id %d prots 0x%x ver %d.%d", |
Michael Krufky | 068d6c0 | 2008-06-19 01:15:46 -0300 | [diff] [blame] | 960 | ver->FirmwareId, ver->SupportedProtocols, |
| 961 | ver->RomVersionMajor, ver->RomVersionMinor); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 962 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 963 | coredev->mode = ver->FirmwareId == 255 ? |
| 964 | DEVICE_MODE_NONE : ver->FirmwareId; |
| 965 | coredev->modes_supported = ver->SupportedProtocols; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 966 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 967 | complete(&coredev->version_ex_done); |
| 968 | break; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 969 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 970 | case MSG_SMS_INIT_DEVICE_RES: |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 971 | sms_debug("MSG_SMS_INIT_DEVICE_RES"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 972 | complete(&coredev->init_device_done); |
| 973 | break; |
| 974 | case MSG_SW_RELOAD_START_RES: |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 975 | sms_debug("MSG_SW_RELOAD_START_RES"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 976 | complete(&coredev->reload_start_done); |
| 977 | break; |
| 978 | case MSG_SMS_DATA_DOWNLOAD_RES: |
| 979 | complete(&coredev->data_download_done); |
| 980 | break; |
| 981 | case MSG_SW_RELOAD_EXEC_RES: |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 982 | sms_debug("MSG_SW_RELOAD_EXEC_RES"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 983 | break; |
| 984 | case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 985 | sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 986 | complete(&coredev->trigger_done); |
| 987 | break; |
| 988 | case MSG_SMS_SLEEP_RESUME_COMP_IND: |
| 989 | complete(&coredev->resume_done); |
| 990 | break; |
| 991 | default: |
| 992 | break; |
| 993 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 994 | smscore_putbuffer(coredev, cb); |
| 995 | } |
| 996 | } |
| 997 | |
| 998 | /** |
| 999 | * return pointer to next free buffer descriptor from core pool |
| 1000 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 1001 | * @param coredev pointer to a coredev object returned by |
| 1002 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1003 | * |
| 1004 | * @return pointer to descriptor on success, NULL on error. |
| 1005 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1006 | struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1007 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1008 | struct smscore_buffer_t *cb = NULL; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1009 | unsigned long flags; |
| 1010 | |
| 1011 | spin_lock_irqsave(&coredev->bufferslock, flags); |
| 1012 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1013 | if (!list_empty(&coredev->buffers)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1014 | cb = (struct smscore_buffer_t *) coredev->buffers.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1015 | list_del(&cb->entry); |
| 1016 | } |
| 1017 | |
| 1018 | spin_unlock_irqrestore(&coredev->bufferslock, flags); |
| 1019 | |
| 1020 | return cb; |
| 1021 | } |
| 1022 | |
| 1023 | /** |
| 1024 | * return buffer descriptor to a pool |
| 1025 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 1026 | * @param coredev pointer to a coredev object returned by |
| 1027 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1028 | * @param cb pointer buffer descriptor |
| 1029 | * |
| 1030 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1031 | void smscore_putbuffer(struct smscore_device_t *coredev, |
| 1032 | struct smscore_buffer_t *cb) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1033 | { |
| 1034 | list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); |
| 1035 | } |
| 1036 | |
Michael Krufky | 0c071f3 | 2008-06-21 02:44:02 -0300 | [diff] [blame] | 1037 | static int smscore_validate_client(struct smscore_device_t *coredev, |
| 1038 | struct smscore_client_t *client, |
| 1039 | int data_type, int id) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1040 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1041 | struct smscore_idlist_t *listentry; |
| 1042 | struct smscore_client_t *registered_client; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1043 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1044 | if (!client) { |
Michael Krufky | 2522dc1 | 2008-06-19 22:15:38 -0300 | [diff] [blame] | 1045 | sms_err("bad parameter."); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1046 | return -EFAULT; |
| 1047 | } |
| 1048 | registered_client = smscore_find_client(coredev, data_type, id); |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 1049 | if (registered_client == client) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1050 | return 0; |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 1051 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1052 | if (registered_client) { |
Michael Krufky | 2522dc1 | 2008-06-19 22:15:38 -0300 | [diff] [blame] | 1053 | sms_err("The msg ID already registered to another client."); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1054 | return -EEXIST; |
| 1055 | } |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1056 | listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1057 | if (!listentry) { |
Michael Krufky | 2522dc1 | 2008-06-19 22:15:38 -0300 | [diff] [blame] | 1058 | sms_err("Can't allocate memory for client id."); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1059 | return -ENOMEM; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1060 | } |
| 1061 | listentry->id = id; |
| 1062 | listentry->data_type = data_type; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1063 | list_add_locked(&listentry->entry, &client->idlist, |
| 1064 | &coredev->clientslock); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1065 | return 0; |
| 1066 | } |
| 1067 | |
| 1068 | /** |
| 1069 | * creates smsclient object, check that id is taken by another client |
| 1070 | * |
| 1071 | * @param coredev pointer to a coredev object from clients hotplug |
| 1072 | * @param initial_id all messages with this id would be sent to this client |
| 1073 | * @param data_type all messages of this type would be sent to this client |
Michael Krufky | ca78373 | 2008-06-15 17:36:00 -0300 | [diff] [blame] | 1074 | * @param onresponse_handler client handler that is called to |
| 1075 | * process incoming messages |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1076 | * @param onremove_handler client handler that is called when device is removed |
| 1077 | * @param context client-specific context |
| 1078 | * @param client pointer to a value that receives created smsclient object |
| 1079 | * |
| 1080 | * @return 0 on success, <0 on error. |
| 1081 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1082 | int smscore_register_client(struct smscore_device_t *coredev, |
| 1083 | struct smsclient_params_t *params, |
| 1084 | struct smscore_client_t **client) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1085 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1086 | struct smscore_client_t *newclient; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1087 | /* check that no other channel with same parameters exists */ |
| 1088 | if (smscore_find_client(coredev, params->data_type, |
| 1089 | params->initial_id)) { |
Michael Krufky | 2522dc1 | 2008-06-19 22:15:38 -0300 | [diff] [blame] | 1090 | sms_err("Client already exist."); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1091 | return -EEXIST; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1092 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1093 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1094 | newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1095 | if (!newclient) { |
Michael Krufky | 2522dc1 | 2008-06-19 22:15:38 -0300 | [diff] [blame] | 1096 | sms_err("Failed to allocate memory for client."); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1097 | return -ENOMEM; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1098 | } |
| 1099 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1100 | INIT_LIST_HEAD(&newclient->idlist); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1101 | newclient->coredev = coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1102 | newclient->onresponse_handler = params->onresponse_handler; |
| 1103 | newclient->onremove_handler = params->onremove_handler; |
| 1104 | newclient->context = params->context; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1105 | list_add_locked(&newclient->entry, &coredev->clients, |
| 1106 | &coredev->clientslock); |
| 1107 | smscore_validate_client(coredev, newclient, params->data_type, |
| 1108 | params->initial_id); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1109 | *client = newclient; |
Michael Krufky | 2522dc1 | 2008-06-19 22:15:38 -0300 | [diff] [blame] | 1110 | sms_debug("%p %d %d", params->context, params->data_type, |
| 1111 | params->initial_id); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1112 | |
| 1113 | return 0; |
| 1114 | } |
| 1115 | |
| 1116 | /** |
| 1117 | * frees smsclient object and all subclients associated with it |
| 1118 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 1119 | * @param client pointer to smsclient object returned by |
| 1120 | * smscore_register_client |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1121 | * |
| 1122 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1123 | void smscore_unregister_client(struct smscore_client_t *client) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1124 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1125 | struct smscore_device_t *coredev = client->coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1126 | unsigned long flags; |
| 1127 | |
| 1128 | spin_lock_irqsave(&coredev->clientslock, flags); |
| 1129 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1130 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1131 | while (!list_empty(&client->idlist)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1132 | struct smscore_idlist_t *identry = |
| 1133 | (struct smscore_idlist_t *) client->idlist.next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1134 | list_del(&identry->entry); |
| 1135 | kfree(identry); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1136 | } |
| 1137 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 1138 | sms_info("%p", client->context); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1139 | |
| 1140 | list_del(&client->entry); |
| 1141 | kfree(client); |
| 1142 | |
| 1143 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
| 1144 | } |
| 1145 | |
| 1146 | /** |
| 1147 | * verifies that source id is not taken by another client, |
| 1148 | * calls device handler to send requests to the device |
| 1149 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 1150 | * @param client pointer to smsclient object returned by |
| 1151 | * smscore_register_client |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1152 | * @param buffer pointer to a request buffer |
| 1153 | * @param size size (in bytes) of request buffer |
| 1154 | * |
| 1155 | * @return 0 on success, <0 on error. |
| 1156 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1157 | int smsclient_sendrequest(struct smscore_client_t *client, |
| 1158 | void *buffer, size_t size) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1159 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1160 | struct smscore_device_t *coredev; |
| 1161 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1162 | int rc; |
| 1163 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1164 | if (client == NULL) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 1165 | sms_err("Got NULL client"); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1166 | return -EINVAL; |
| 1167 | } |
| 1168 | |
| 1169 | coredev = client->coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1170 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1171 | /* check that no other channel with same id exists */ |
| 1172 | if (coredev == NULL) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 1173 | sms_err("Got NULL coredev"); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1174 | return -EINVAL; |
| 1175 | } |
| 1176 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1177 | rc = smscore_validate_client(client->coredev, client, 0, |
| 1178 | phdr->msgSrcId); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1179 | if (rc < 0) |
| 1180 | return rc; |
| 1181 | |
| 1182 | return coredev->sendrequest_handler(coredev->context, buffer, size); |
| 1183 | } |
| 1184 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1185 | |
| 1186 | int smscore_module_init(void) |
| 1187 | { |
Steven Toth | c646579 | 2008-05-19 19:09:21 -0300 | [diff] [blame] | 1188 | int rc = 0; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1189 | |
| 1190 | INIT_LIST_HEAD(&g_smscore_notifyees); |
| 1191 | INIT_LIST_HEAD(&g_smscore_devices); |
| 1192 | kmutex_init(&g_smscore_deviceslock); |
| 1193 | |
| 1194 | INIT_LIST_HEAD(&g_smscore_registry); |
| 1195 | kmutex_init(&g_smscore_registrylock); |
| 1196 | |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1197 | /* USB Register */ |
| 1198 | rc = smsusb_register(); |
| 1199 | |
| 1200 | /* DVB Register */ |
| 1201 | rc = smsdvb_register(); |
| 1202 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 1203 | sms_debug("rc %d", rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1204 | |
| 1205 | return rc; |
| 1206 | } |
| 1207 | |
| 1208 | void smscore_module_exit(void) |
| 1209 | { |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1210 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1211 | kmutex_lock(&g_smscore_deviceslock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1212 | while (!list_empty(&g_smscore_notifyees)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1213 | struct smscore_device_notifyee_t *notifyee = |
| 1214 | (struct smscore_device_notifyee_t *) |
| 1215 | g_smscore_notifyees.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1216 | |
| 1217 | list_del(¬ifyee->entry); |
| 1218 | kfree(notifyee); |
| 1219 | } |
| 1220 | kmutex_unlock(&g_smscore_deviceslock); |
| 1221 | |
| 1222 | kmutex_lock(&g_smscore_registrylock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1223 | while (!list_empty(&g_smscore_registry)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1224 | struct smscore_registry_entry_t *entry = |
| 1225 | (struct smscore_registry_entry_t *) |
| 1226 | g_smscore_registry.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1227 | |
| 1228 | list_del(&entry->entry); |
| 1229 | kfree(entry); |
| 1230 | } |
| 1231 | kmutex_unlock(&g_smscore_registrylock); |
| 1232 | |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1233 | /* DVB UnRegister */ |
| 1234 | smsdvb_unregister(); |
| 1235 | |
| 1236 | /* Unregister USB */ |
| 1237 | smsusb_unregister(); |
| 1238 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame] | 1239 | sms_debug(""); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1240 | } |
| 1241 | |
| 1242 | module_init(smscore_module_init); |
| 1243 | module_exit(smscore_module_exit); |
| 1244 | |
| 1245 | MODULE_DESCRIPTION("smscore"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1246 | MODULE_AUTHOR("Siano Mobile Silicon,,, (doronc@siano-ms.com)"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1247 | MODULE_LICENSE("GPL"); |