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 | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 35 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 36 | #define PERROR(fmt, args...)\ |
| 37 | printk(KERN_ERR "smscore error: line %d- %s(): " fmt, \ |
| 38 | __LINE__, __func__, ## args) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 39 | |
| 40 | #ifdef SMSCORE_DEBUG |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 41 | #undef PWARNING |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 42 | # define PWARNING(fmt, args...) printk(KERN_INFO "smscore warning: " \ |
| 43 | "line %d- %s(): " fmt, \ |
| 44 | __LINE__, __func__, ## args) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 45 | #undef PDEBUG /* undef it, just in case */ |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 46 | # define PDEBUG(fmt, args...) printk(KERN_INFO "smscore - %s(): " fmt, \ |
| 47 | __func__, ## args) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 48 | #else /*SMSCORE_DEBUG*/ |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 49 | #define PDEBUG(fmt, args...) |
| 50 | #define PWARNING(fmt, args...) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 51 | #endif |
| 52 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 53 | typedef struct _smscore_device_notifyee |
| 54 | { |
| 55 | struct list_head entry; |
| 56 | hotplug_t hotplug; |
| 57 | } smscore_device_notifyee_t; |
| 58 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 59 | typedef struct _smscore_subclient |
| 60 | { |
| 61 | struct list_head entry; |
| 62 | int id; |
| 63 | int data_type; |
| 64 | } smscore_idlist_t; |
| 65 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 66 | typedef struct _smscore_client |
| 67 | { |
| 68 | struct list_head entry; |
| 69 | smscore_device_t *coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 70 | void *context; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 71 | struct list_head idlist; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 72 | onresponse_t onresponse_handler; |
| 73 | onremove_t onremove_handler; |
| 74 | } *psmscore_client_t; |
| 75 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 76 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 77 | |
| 78 | typedef struct _smscore_device |
| 79 | { |
| 80 | struct list_head entry; |
| 81 | |
| 82 | struct list_head clients; |
| 83 | struct list_head subclients; |
| 84 | spinlock_t clientslock; |
| 85 | |
| 86 | struct list_head buffers; |
| 87 | spinlock_t bufferslock; |
| 88 | int num_buffers; |
| 89 | |
| 90 | void *common_buffer; |
| 91 | int common_buffer_size; |
| 92 | dma_addr_t common_buffer_phys; |
| 93 | |
| 94 | void *context; |
| 95 | struct device *device; |
| 96 | |
| 97 | char devpath[32]; |
| 98 | unsigned long device_flags; |
| 99 | |
| 100 | setmode_t setmode_handler; |
| 101 | detectmode_t detectmode_handler; |
| 102 | sendrequest_t sendrequest_handler; |
| 103 | preload_t preload_handler; |
| 104 | postload_t postload_handler; |
| 105 | |
| 106 | int mode, modes_supported; |
| 107 | |
| 108 | struct completion version_ex_done, data_download_done, trigger_done; |
| 109 | struct completion init_device_done, reload_start_done, resume_done; |
| 110 | } *psmscore_device_t; |
| 111 | |
| 112 | typedef struct _smscore_registry_entry |
| 113 | { |
| 114 | struct list_head entry; |
| 115 | char devpath[32]; |
| 116 | int mode; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 117 | sms_device_type_st type; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 118 | } smscore_registry_entry_t; |
| 119 | |
| 120 | struct list_head g_smscore_notifyees; |
| 121 | struct list_head g_smscore_devices; |
| 122 | kmutex_t g_smscore_deviceslock; |
| 123 | |
| 124 | struct list_head g_smscore_registry; |
| 125 | kmutex_t g_smscore_registrylock; |
| 126 | |
| 127 | static int default_mode = 1; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 128 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 129 | module_param(default_mode, int, 0644); |
| 130 | MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); |
| 131 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 132 | static smscore_registry_entry_t *smscore_find_registry(char *devpath) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 133 | { |
| 134 | smscore_registry_entry_t *entry; |
| 135 | struct list_head *next; |
| 136 | |
| 137 | kmutex_lock(&g_smscore_registrylock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 138 | for (next = g_smscore_registry.next; |
| 139 | next != &g_smscore_registry; |
| 140 | next = next->next) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 141 | entry = (smscore_registry_entry_t *) next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 142 | if (!strcmp(entry->devpath, devpath)) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 143 | kmutex_unlock(&g_smscore_registrylock); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 144 | return entry; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 145 | } |
| 146 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 147 | entry = (smscore_registry_entry_t *) |
| 148 | kmalloc(sizeof(smscore_registry_entry_t), GFP_KERNEL); |
| 149 | if (entry) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 150 | entry->mode = default_mode; |
| 151 | strcpy(entry->devpath, devpath); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 152 | list_add(&entry->entry, &g_smscore_registry); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 153 | } else |
| 154 | printk(KERN_ERR "%s failed to create smscore_registry.\n", |
| 155 | __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 156 | kmutex_unlock(&g_smscore_registrylock); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 157 | return entry; |
| 158 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 159 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 160 | int smscore_registry_getmode(char *devpath) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 161 | { |
| 162 | smscore_registry_entry_t *entry; |
| 163 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 164 | entry = smscore_find_registry(devpath); |
| 165 | if (entry) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 166 | return entry->mode; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 167 | else |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 168 | printk(KERN_ERR "%s No registry found.\n", __func__); |
| 169 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 170 | return default_mode; |
| 171 | } |
| 172 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 173 | sms_device_type_st smscore_registry_gettype(char *devpath) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 174 | { |
| 175 | smscore_registry_entry_t *entry; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 176 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 177 | entry = smscore_find_registry(devpath); |
| 178 | if (entry) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 179 | return entry->type; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 180 | else |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 181 | printk(KERN_ERR "%s No registry found.\n", __func__); |
| 182 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 183 | return -1; |
| 184 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 185 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 186 | void smscore_registry_setmode(char *devpath, int mode) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 187 | { |
| 188 | smscore_registry_entry_t *entry; |
| 189 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 190 | entry = smscore_find_registry(devpath); |
| 191 | if (entry) |
| 192 | entry->mode = mode; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 193 | else |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 194 | printk(KERN_ERR "%s No registry found.\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 195 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 196 | |
| 197 | void smscore_registry_settype(char *devpath, sms_device_type_st type) |
| 198 | { |
| 199 | smscore_registry_entry_t *entry; |
| 200 | |
| 201 | entry = smscore_find_registry(devpath); |
| 202 | if (entry) |
| 203 | entry->type = type; |
| 204 | else |
| 205 | printk(KERN_ERR "%s No registry found.\n", __func__); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 206 | } |
| 207 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 208 | |
| 209 | |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 210 | void list_add_locked(struct list_head *new, struct list_head *head, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 211 | spinlock_t *lock) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 212 | { |
| 213 | unsigned long flags; |
| 214 | |
| 215 | spin_lock_irqsave(lock, flags); |
| 216 | |
| 217 | list_add(new, head); |
| 218 | |
| 219 | spin_unlock_irqrestore(lock, flags); |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * register a client callback that called when device plugged in/unplugged |
| 224 | * NOTE: if devices exist callback is called immediately for each device |
| 225 | * |
| 226 | * @param hotplug callback |
| 227 | * |
| 228 | * @return 0 on success, <0 on error. |
| 229 | */ |
| 230 | int smscore_register_hotplug(hotplug_t hotplug) |
| 231 | { |
| 232 | smscore_device_notifyee_t *notifyee; |
| 233 | struct list_head *next, *first; |
| 234 | int rc = 0; |
| 235 | |
| 236 | kmutex_lock(&g_smscore_deviceslock); |
| 237 | |
| 238 | notifyee = kmalloc(sizeof(smscore_device_notifyee_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 239 | if (notifyee) { |
| 240 | /* now notify callback about existing devices */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 241 | first = &g_smscore_devices; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 242 | for (next = first->next; |
| 243 | next != first && !rc; |
| 244 | next = next->next) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 245 | smscore_device_t *coredev = (smscore_device_t *) next; |
| 246 | rc = hotplug(coredev, coredev->device, 1); |
| 247 | } |
| 248 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 249 | if (rc >= 0) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 250 | notifyee->hotplug = hotplug; |
| 251 | list_add(¬ifyee->entry, &g_smscore_notifyees); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 252 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 253 | kfree(notifyee); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 254 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 255 | rc = -ENOMEM; |
| 256 | |
| 257 | kmutex_unlock(&g_smscore_deviceslock); |
| 258 | |
| 259 | return rc; |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * unregister a client callback that called when device plugged in/unplugged |
| 264 | * |
| 265 | * @param hotplug callback |
| 266 | * |
| 267 | */ |
| 268 | void smscore_unregister_hotplug(hotplug_t hotplug) |
| 269 | { |
| 270 | struct list_head *next, *first; |
| 271 | |
| 272 | kmutex_lock(&g_smscore_deviceslock); |
| 273 | |
| 274 | first = &g_smscore_notifyees; |
| 275 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 276 | for (next = first->next; next != first;) { |
| 277 | smscore_device_notifyee_t *notifyee = |
| 278 | (smscore_device_notifyee_t *) next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 279 | next = next->next; |
| 280 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 281 | if (notifyee->hotplug == hotplug) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 282 | list_del(¬ifyee->entry); |
| 283 | kfree(notifyee); |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | kmutex_unlock(&g_smscore_deviceslock); |
| 288 | } |
| 289 | |
| 290 | void smscore_notify_clients(smscore_device_t *coredev) |
| 291 | { |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 292 | smscore_client_t *client; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 293 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 294 | /* the client must call smscore_unregister_client from remove handler */ |
| 295 | while (!list_empty(&coredev->clients)) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 296 | client = (smscore_client_t *) coredev->clients.next; |
| 297 | client->onremove_handler(client->context); |
| 298 | } |
| 299 | } |
| 300 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 301 | int smscore_notify_callbacks(smscore_device_t *coredev, struct device *device, |
| 302 | int arrival) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 303 | { |
| 304 | struct list_head *next, *first; |
| 305 | int rc = 0; |
| 306 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 307 | /* note: must be called under g_deviceslock */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 308 | |
| 309 | first = &g_smscore_notifyees; |
| 310 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 311 | for (next = first->next; next != first; next = next->next) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 312 | rc = ((smscore_device_notifyee_t *) next)->hotplug(coredev, device, arrival); |
| 313 | if (rc < 0) |
| 314 | break; |
| 315 | } |
| 316 | |
| 317 | return rc; |
| 318 | } |
| 319 | |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 320 | smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, |
| 321 | dma_addr_t common_buffer_phys) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 322 | { |
| 323 | smscore_buffer_t *cb = kmalloc(sizeof(smscore_buffer_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 324 | if (!cb) { |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 325 | printk(KERN_INFO "%s kmalloc(...) failed\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 326 | return NULL; |
| 327 | } |
| 328 | |
| 329 | cb->p = buffer; |
Michael Krufky | 494d24c | 2008-06-14 07:40:41 -0300 | [diff] [blame] | 330 | cb->offset_in_common = buffer - (u8 *) common_buffer; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 331 | cb->phys = common_buffer_phys + cb->offset_in_common; |
| 332 | |
| 333 | return cb; |
| 334 | } |
| 335 | |
| 336 | /** |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 337 | * creates coredev object for a device, prepares buffers, |
| 338 | * creates buffer mappings, notifies registered hotplugs about new device. |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 339 | * |
| 340 | * @param params device pointer to struct with device specific parameters and handlers |
| 341 | * @param coredev pointer to a value that receives created coredev object |
| 342 | * |
| 343 | * @return 0 on success, <0 on error. |
| 344 | */ |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 345 | int smscore_register_device(smsdevice_params_t *params, |
| 346 | smscore_device_t **coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 347 | { |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 348 | smscore_device_t *dev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 349 | u8 *buffer; |
| 350 | |
| 351 | dev = kzalloc(sizeof(smscore_device_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 352 | if (!dev) { |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 353 | printk(KERN_INFO "%s kzalloc(...) failed\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 354 | return -ENOMEM; |
| 355 | } |
| 356 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 357 | /* init list entry so it could be safe in smscore_unregister_device */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 358 | INIT_LIST_HEAD(&dev->entry); |
| 359 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 360 | /* init queues */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 361 | INIT_LIST_HEAD(&dev->clients); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 362 | INIT_LIST_HEAD(&dev->buffers); |
| 363 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 364 | /* init locks */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 365 | spin_lock_init(&dev->clientslock); |
| 366 | spin_lock_init(&dev->bufferslock); |
| 367 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 368 | /* init completion events */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 369 | init_completion(&dev->version_ex_done); |
| 370 | init_completion(&dev->data_download_done); |
| 371 | init_completion(&dev->trigger_done); |
| 372 | init_completion(&dev->init_device_done); |
| 373 | init_completion(&dev->reload_start_done); |
| 374 | init_completion(&dev->resume_done); |
| 375 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 376 | /* alloc common buffer */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 377 | dev->common_buffer_size = params->buffer_size * params->num_buffers; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 378 | dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, |
| 379 | &dev->common_buffer_phys, |
| 380 | GFP_KERNEL | GFP_DMA); |
| 381 | if (!dev->common_buffer) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 382 | smscore_unregister_device(dev); |
| 383 | return -ENOMEM; |
| 384 | } |
| 385 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 386 | /* prepare dma buffers */ |
| 387 | for (buffer = dev->common_buffer; |
| 388 | dev->num_buffers < params->num_buffers; |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame^] | 389 | dev->num_buffers++, buffer += params->buffer_size) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 390 | smscore_buffer_t *cb = smscore_createbuffer(buffer, dev->common_buffer, dev->common_buffer_phys); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 391 | if (!cb) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 392 | smscore_unregister_device(dev); |
| 393 | return -ENOMEM; |
| 394 | } |
| 395 | |
| 396 | smscore_putbuffer(dev, cb); |
| 397 | } |
| 398 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 399 | printk(KERN_INFO "%s allocated %d buffers\n", |
| 400 | __func__, 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 | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 423 | printk(KERN_INFO "%s device %p created\n", __func__, 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 | * |
| 431 | * @param coredev pointer to a coredev object returned by smscore_register_device |
| 432 | * |
| 433 | * @return 0 on success, <0 on error. |
| 434 | */ |
| 435 | int smscore_start_device(smscore_device_t *coredev) |
| 436 | { |
| 437 | int rc = smscore_set_device_mode(coredev, smscore_registry_getmode(coredev->devpath)); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 438 | if (rc < 0) { |
| 439 | printk(KERN_INFO "%s set device mode faile , rc %d\n", __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 440 | return rc; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 441 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 442 | |
| 443 | kmutex_lock(&g_smscore_deviceslock); |
| 444 | |
| 445 | rc = smscore_notify_callbacks(coredev, coredev->device, 1); |
| 446 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 447 | printk(KERN_INFO "%s device %p started, rc %d\n", |
| 448 | __func__, coredev, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 449 | |
| 450 | kmutex_unlock(&g_smscore_deviceslock); |
| 451 | |
| 452 | return rc; |
| 453 | } |
| 454 | |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 455 | int smscore_sendrequest_and_wait(smscore_device_t *coredev, void *buffer, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 456 | size_t size, struct completion *completion) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 457 | { |
| 458 | int rc = coredev->sendrequest_handler(coredev->context, buffer, size); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 459 | if (rc < 0) { |
| 460 | printk(KERN_INFO "%s sendrequest returned error %d\n", |
| 461 | __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 462 | return rc; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 463 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 464 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 465 | return wait_for_completion_timeout(completion, |
| 466 | msecs_to_jiffies(10000)) ? |
| 467 | 0 : -ETIME; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 468 | } |
| 469 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 470 | int smscore_load_firmware_family2(smscore_device_t *coredev, void *buffer, |
| 471 | size_t size) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 472 | { |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 473 | SmsFirmware_ST *firmware = (SmsFirmware_ST *) buffer; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 474 | SmsMsgHdr_ST *msg; |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 475 | u32 mem_address = firmware->StartAddress; |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 476 | u8 *payload = firmware->Payload; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 477 | int rc = 0; |
| 478 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 479 | printk(KERN_INFO "%s loading FW to addr 0x%x size %d\n", |
| 480 | __func__, mem_address, firmware->Length); |
| 481 | if (coredev->preload_handler) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 482 | rc = coredev->preload_handler(coredev->context); |
| 483 | if (rc < 0) |
| 484 | return rc; |
| 485 | } |
| 486 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 487 | /* PAGE_SIZE buffer shall be enough and dma aligned */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 488 | msg = (SmsMsgHdr_ST *) kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); |
| 489 | if (!msg) |
| 490 | return -ENOMEM; |
| 491 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 492 | if (coredev->mode != DEVICE_MODE_NONE) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 493 | PDEBUG("Sending reload command\n"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 494 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, |
| 495 | sizeof(SmsMsgHdr_ST)); |
| 496 | rc = smscore_sendrequest_and_wait(coredev, msg, |
| 497 | msg->msgLength, |
| 498 | &coredev->reload_start_done); |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 499 | mem_address = *(u32 *) &payload[20]; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 500 | } |
| 501 | |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame^] | 502 | while (size && rc >= 0) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 503 | SmsDataDownload_ST *DataMsg = (SmsDataDownload_ST *) msg; |
| 504 | int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); |
| 505 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 506 | SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 507 | (u16)(sizeof(SmsMsgHdr_ST) + |
| 508 | sizeof(u32) + payload_size)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 509 | |
| 510 | DataMsg->MemAddr = mem_address; |
| 511 | memcpy(DataMsg->Payload, payload, payload_size); |
| 512 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 513 | if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && |
| 514 | (coredev->mode == DEVICE_MODE_NONE)) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 515 | rc = coredev->sendrequest_handler(coredev->context, DataMsg, DataMsg->xMsgHeader.msgLength); |
| 516 | else |
| 517 | rc = smscore_sendrequest_and_wait(coredev, DataMsg, DataMsg->xMsgHeader.msgLength, &coredev->data_download_done); |
| 518 | |
| 519 | payload += payload_size; |
| 520 | size -= payload_size; |
| 521 | mem_address += payload_size; |
| 522 | } |
| 523 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 524 | if (rc >= 0) { |
| 525 | if (coredev->mode == DEVICE_MODE_NONE) { |
| 526 | SmsMsgData_ST *TriggerMsg = (SmsMsgData_ST *) msg; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 527 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 528 | SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, |
| 529 | sizeof(SmsMsgHdr_ST) + |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 530 | sizeof(u32) * 5); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 531 | |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame^] | 532 | TriggerMsg->msgData[0] = firmware->StartAddress; /* Entry point */ |
| 533 | TriggerMsg->msgData[1] = 5; /* Priority */ |
| 534 | TriggerMsg->msgData[2] = 0x200; /* Stack size */ |
| 535 | TriggerMsg->msgData[3] = 0; /* Parameter */ |
| 536 | TriggerMsg->msgData[4] = 4; /* Task ID */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 537 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 538 | if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 539 | rc = coredev->sendrequest_handler(coredev->context, TriggerMsg, TriggerMsg->xMsgHeader.msgLength); |
| 540 | msleep(100); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 541 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 542 | rc = smscore_sendrequest_and_wait(coredev, TriggerMsg, TriggerMsg->xMsgHeader.msgLength, &coredev->trigger_done); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 543 | } else { |
| 544 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, |
| 545 | sizeof(SmsMsgHdr_ST)); |
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 | rc = coredev->sendrequest_handler(coredev->context, |
| 548 | msg, msg->msgLength); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 549 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 550 | msleep(500); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 551 | } |
| 552 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 553 | printk("%s rc=%d, postload=%p \n", __func__, rc, |
| 554 | coredev->postload_handler); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 555 | |
| 556 | kfree(msg); |
| 557 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 558 | return ((rc >= 0) && coredev->postload_handler) ? |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 559 | coredev->postload_handler(coredev->context) : |
| 560 | rc; |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * loads specified firmware into a buffer and calls device loadfirmware_handler |
| 565 | * |
| 566 | * @param coredev pointer to a coredev object returned by smscore_register_device |
| 567 | * @param filename null-terminated string specifies firmware file name |
| 568 | * @param loadfirmware_handler device handler that loads firmware |
| 569 | * |
| 570 | * @return 0 on success, <0 on error. |
| 571 | */ |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 572 | int smscore_load_firmware_from_file(smscore_device_t *coredev, char *filename, |
| 573 | loadfirmware_t loadfirmware_handler) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 574 | { |
| 575 | int rc = -ENOENT; |
| 576 | |
| 577 | const struct firmware *fw; |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 578 | u8 *fw_buffer; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 579 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 580 | if (loadfirmware_handler == NULL && !(coredev->device_flags & |
| 581 | SMS_DEVICE_FAMILY2)) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 582 | return -EINVAL; |
| 583 | |
| 584 | rc = request_firmware(&fw, filename, coredev->device); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 585 | if (rc < 0) { |
| 586 | printk(KERN_INFO "%s failed to open \"%s\"\n", |
| 587 | __func__, filename); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 588 | return rc; |
| 589 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 590 | printk(KERN_INFO "%s read FW %s, size=%d\"\n", __func__, |
| 591 | filename, fw->size); |
| 592 | fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), |
| 593 | GFP_KERNEL | GFP_DMA); |
| 594 | if (fw_buffer) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 595 | memcpy(fw_buffer, fw->data, fw->size); |
| 596 | |
| 597 | rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 598 | smscore_load_firmware_family2(coredev, fw_buffer, fw->size) : |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 599 | loadfirmware_handler(coredev->context, fw_buffer, fw->size); |
| 600 | |
| 601 | kfree(fw_buffer); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 602 | } else { |
| 603 | printk(KERN_INFO "%s failed to allocate firmware buffer\n", |
| 604 | __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 605 | rc = -ENOMEM; |
| 606 | } |
| 607 | |
| 608 | release_firmware(fw); |
| 609 | |
| 610 | return rc; |
| 611 | } |
| 612 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 613 | int smscore_load_firmware_from_buffer(smscore_device_t *coredev, u8 *buffer, |
| 614 | int size, int new_mode) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 615 | { |
| 616 | PERROR("Feature not implemented yet\n"); |
| 617 | return -EFAULT; |
| 618 | } |
| 619 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 620 | /** |
| 621 | * notifies all clients registered with the device, notifies hotplugs, frees all buffers and coredev object |
| 622 | * |
| 623 | * @param coredev pointer to a coredev object returned by smscore_register_device |
| 624 | * |
| 625 | * @return 0 on success, <0 on error. |
| 626 | */ |
| 627 | void smscore_unregister_device(smscore_device_t *coredev) |
| 628 | { |
| 629 | smscore_buffer_t *cb; |
| 630 | int num_buffers = 0; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 631 | int retry = 0; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 632 | |
| 633 | kmutex_lock(&g_smscore_deviceslock); |
| 634 | |
| 635 | smscore_notify_clients(coredev); |
| 636 | smscore_notify_callbacks(coredev, NULL, 0); |
| 637 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 638 | /* at this point all buffers should be back |
| 639 | * onresponse must no longer be called */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 640 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 641 | while (1) { |
| 642 | while ((cb = smscore_getbuffer(coredev))) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 643 | kfree(cb); |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame^] | 644 | num_buffers++; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 645 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 646 | if (num_buffers == coredev->num_buffers) |
| 647 | break; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 648 | if (++retry > 10) { |
| 649 | printk(KERN_INFO "%s exiting although " |
| 650 | "not all buffers released.\n", __func__); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 651 | break; |
| 652 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 653 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 654 | printk(KERN_INFO "%s waiting for %d buffer(s)\n", __func__, |
| 655 | coredev->num_buffers - num_buffers); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 656 | msleep(100); |
| 657 | } |
| 658 | |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 659 | printk(KERN_INFO "%s freed %d buffers\n", __func__, num_buffers); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 660 | |
| 661 | if (coredev->common_buffer) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 662 | dma_free_coherent(NULL, coredev->common_buffer_size, |
| 663 | coredev->common_buffer, |
| 664 | coredev->common_buffer_phys); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 665 | |
| 666 | list_del(&coredev->entry); |
| 667 | kfree(coredev); |
| 668 | |
| 669 | kmutex_unlock(&g_smscore_deviceslock); |
| 670 | |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 671 | printk(KERN_INFO "%s device %p destroyed\n", __func__, coredev); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 672 | } |
| 673 | |
| 674 | int smscore_detect_mode(smscore_device_t *coredev) |
| 675 | { |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 676 | void *buffer = kmalloc(sizeof(SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, |
| 677 | GFP_KERNEL | GFP_DMA); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 678 | SmsMsgHdr_ST *msg = (SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); |
| 679 | int rc; |
| 680 | |
| 681 | if (!buffer) |
| 682 | return -ENOMEM; |
| 683 | |
| 684 | SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, sizeof(SmsMsgHdr_ST)); |
| 685 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 686 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, |
| 687 | &coredev->version_ex_done); |
| 688 | if (rc == -ETIME) { |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 689 | printk("%s: MSG_SMS_GET_VERSION_EX_REQ failed first try\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 690 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 691 | if (wait_for_completion_timeout(&coredev->resume_done, |
| 692 | msecs_to_jiffies(5000))) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 693 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, &coredev->version_ex_done); |
| 694 | if (rc < 0) |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 695 | printk("%s: MSG_SMS_GET_VERSION_EX_REQ failed second try, rc %d\n", __func__, rc); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 696 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 697 | rc = -ETIME; |
| 698 | } |
| 699 | |
| 700 | kfree(buffer); |
| 701 | |
| 702 | return rc; |
| 703 | } |
| 704 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 705 | char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 706 | /*Stellar NOVA A0 Nova B0 VEGA*/ |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 707 | /*DVBT*/ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 708 | /*DVBH*/ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 709 | /*TDMB*/ {"none", "tdmb_nova_12mhz.inp", "none", "none"}, |
| 710 | /*DABIP*/ {"none", "none", "none", "none"}, |
| 711 | /*BDA*/ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 712 | /*ISDBT*/ {"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"}, |
| 713 | /*ISDBTBDA*/{"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, |
| 714 | /*CMMB*/ {"none", "none", "none", "cmmb_vega_12mhz.inp"} |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 715 | }; |
| 716 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 717 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 718 | /** |
| 719 | * calls device handler to change mode of operation |
| 720 | * NOTE: stellar/usb may disconnect when changing mode |
| 721 | * |
| 722 | * @param coredev pointer to a coredev object returned by smscore_register_device |
| 723 | * @param mode requested mode of operation |
| 724 | * |
| 725 | * @return 0 on success, <0 on error. |
| 726 | */ |
| 727 | int smscore_set_device_mode(smscore_device_t *coredev, int mode) |
| 728 | { |
| 729 | void *buffer; |
| 730 | int rc = 0; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 731 | sms_device_type_st type; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 732 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 733 | PDEBUG("set device mode to %d\n", mode); |
| 734 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { |
| 735 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) { |
| 736 | printk(KERN_INFO "%s invalid mode specified %d\n", |
| 737 | __func__, mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 738 | return -EINVAL; |
| 739 | } |
| 740 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 741 | smscore_registry_setmode(coredev->devpath, mode); |
| 742 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 743 | if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 744 | rc = smscore_detect_mode(coredev); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 745 | if (rc < 0) { |
| 746 | printk(KERN_INFO "%s mode detect failed %d\n", |
| 747 | __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 748 | return rc; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 749 | } |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 750 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 751 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 752 | if (coredev->mode == mode) { |
| 753 | printk(KERN_INFO "%s device mode %d already set\n", |
| 754 | __func__, mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 755 | return 0; |
| 756 | } |
| 757 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 758 | if (!(coredev->modes_supported & (1 << mode))) { |
| 759 | type = smscore_registry_gettype(coredev->devpath); |
| 760 | rc = smscore_load_firmware_from_file(coredev, smscore_fw_lkup[mode][type], NULL); |
| 761 | if (rc < 0) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 762 | printk(KERN_INFO "%s load firmware failed %d\n", __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 763 | return rc; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 764 | } |
| 765 | } else |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 766 | printk(KERN_INFO "%s mode %d supported by running firmware\n", __func__, mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 767 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 768 | buffer = kmalloc(sizeof(SmsMsgData_ST) + SMS_DMA_ALIGNMENT, |
| 769 | GFP_KERNEL | GFP_DMA); |
| 770 | if (buffer) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 771 | SmsMsgData_ST *msg = (SmsMsgData_ST *) SMS_ALIGN_ADDRESS(buffer); |
| 772 | |
| 773 | SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, sizeof(SmsMsgData_ST)); |
| 774 | msg->msgData[0] = mode; |
| 775 | |
| 776 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->xMsgHeader.msgLength, &coredev->init_device_done); |
| 777 | |
| 778 | kfree(buffer); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 779 | } else { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 780 | printk(KERN_INFO "%s Could not allocate buffer for init device message.\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 781 | rc = -ENOMEM; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 782 | } |
| 783 | } else { |
| 784 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { |
| 785 | printk(KERN_INFO "%s invalid mode specified %d\n", |
| 786 | __func__, mode); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 787 | return -EINVAL; |
| 788 | } |
| 789 | |
| 790 | smscore_registry_setmode(coredev->devpath, mode); |
| 791 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 792 | if (coredev->detectmode_handler) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 793 | coredev->detectmode_handler(coredev->context, |
| 794 | &coredev->mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 795 | |
| 796 | if (coredev->mode != mode && coredev->setmode_handler) |
| 797 | rc = coredev->setmode_handler(coredev->context, mode); |
| 798 | } |
| 799 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 800 | if (rc >= 0) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 801 | coredev->mode = mode; |
| 802 | coredev->device_flags &= ~SMS_DEVICE_NOT_READY; |
| 803 | } |
| 804 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 805 | if (rc != 0) |
| 806 | printk(KERN_INFO "%s return error code %d.\n", __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 807 | return rc; |
| 808 | } |
| 809 | |
| 810 | /** |
| 811 | * calls device handler to get current mode of operation |
| 812 | * |
| 813 | * @param coredev pointer to a coredev object returned by smscore_register_device |
| 814 | * |
| 815 | * @return current mode |
| 816 | */ |
| 817 | int smscore_get_device_mode(smscore_device_t *coredev) |
| 818 | { |
| 819 | return coredev->mode; |
| 820 | } |
| 821 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 822 | /** |
| 823 | * find client by response id & type within the clients list. |
| 824 | * return client handle or NULL. |
| 825 | * |
| 826 | * @param coredev pointer to a coredev object returned by smscore_register_device |
| 827 | * @param data_type client data type (SMS_DONT_CARE for all types) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 828 | * @param id client id (SMS_DONT_CARE for all id) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 829 | * |
| 830 | */ |
| 831 | smscore_client_t *smscore_find_client(smscore_device_t *coredev, int data_type, int id) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 832 | { |
| 833 | smscore_client_t *client = NULL; |
| 834 | struct list_head *next, *first; |
| 835 | unsigned long flags; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 836 | struct list_head *firstid, *nextid; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 837 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 838 | |
| 839 | spin_lock_irqsave(&coredev->clientslock, flags); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 840 | first = &coredev->clients; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 841 | for (next = first->next; |
| 842 | (next != first) && !client; |
| 843 | next = next->next) { |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame^] | 844 | firstid = &((smscore_client_t *)next)->idlist; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 845 | for (nextid = firstid->next; |
| 846 | nextid != firstid; |
| 847 | nextid = nextid->next) { |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame^] | 848 | if ((((smscore_idlist_t *)nextid)->id == id) && |
| 849 | (((smscore_idlist_t *)nextid)->data_type == data_type || |
| 850 | (((smscore_idlist_t *)nextid)->data_type == 0))) { |
| 851 | client = (smscore_client_t *) next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 852 | break; |
| 853 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 854 | } |
| 855 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 856 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 857 | return client; |
| 858 | } |
| 859 | |
| 860 | /** |
| 861 | * find client by response id/type, call clients onresponse handler |
| 862 | * return buffer to pool on error |
| 863 | * |
| 864 | * @param coredev pointer to a coredev object returned by smscore_register_device |
| 865 | * @param cb pointer to response buffer descriptor |
| 866 | * |
| 867 | */ |
| 868 | void smscore_onresponse(smscore_device_t *coredev, smscore_buffer_t *cb) |
| 869 | { |
Michael Krufky | 494d24c | 2008-06-14 07:40:41 -0300 | [diff] [blame] | 870 | SmsMsgHdr_ST *phdr = (SmsMsgHdr_ST *)((u8 *) cb->p + cb->offset); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 871 | smscore_client_t *client = smscore_find_client(coredev, phdr->msgType, |
| 872 | phdr->msgDstId); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 873 | int rc = -EBUSY; |
| 874 | |
| 875 | static unsigned long last_sample_time = 0; |
| 876 | static int data_total = 0; |
| 877 | unsigned long time_now = jiffies_to_msecs(jiffies); |
| 878 | |
| 879 | if (!last_sample_time) |
| 880 | last_sample_time = time_now; |
| 881 | |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame^] | 882 | if (time_now - last_sample_time > 10000) { |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 883 | printk("\n%s data rate %d bytes/secs\n", __func__, |
| 884 | (int)((data_total * 1000) / |
| 885 | (time_now - last_sample_time))); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 886 | |
| 887 | last_sample_time = time_now; |
| 888 | data_total = 0; |
| 889 | } |
| 890 | |
| 891 | data_total += cb->size; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 892 | /* If no client registered for type & id, |
| 893 | * check for control client where type is not registered */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 894 | if (client) |
| 895 | rc = client->onresponse_handler(client->context, cb); |
| 896 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 897 | if (rc < 0) { |
| 898 | switch (phdr->msgType) { |
| 899 | case MSG_SMS_GET_VERSION_EX_RES: |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 900 | { |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 901 | SmsVersionRes_ST *ver = (SmsVersionRes_ST *) phdr; |
| 902 | printk("%s: MSG_SMS_GET_VERSION_EX_RES id %d " |
| 903 | "prots 0x%x ver %d.%d\n", __func__, |
| 904 | ver->FirmwareId, ver->SupportedProtocols, |
| 905 | ver->RomVersionMajor, ver->RomVersionMinor); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 906 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 907 | coredev->mode = ver->FirmwareId == 255 ? |
| 908 | DEVICE_MODE_NONE : ver->FirmwareId; |
| 909 | coredev->modes_supported = ver->SupportedProtocols; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 910 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 911 | complete(&coredev->version_ex_done); |
| 912 | break; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 913 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 914 | case MSG_SMS_INIT_DEVICE_RES: |
| 915 | printk("%s: MSG_SMS_INIT_DEVICE_RES\n", __func__); |
| 916 | complete(&coredev->init_device_done); |
| 917 | break; |
| 918 | case MSG_SW_RELOAD_START_RES: |
| 919 | printk("%s: MSG_SW_RELOAD_START_RES\n", __func__); |
| 920 | complete(&coredev->reload_start_done); |
| 921 | break; |
| 922 | case MSG_SMS_DATA_DOWNLOAD_RES: |
| 923 | complete(&coredev->data_download_done); |
| 924 | break; |
| 925 | case MSG_SW_RELOAD_EXEC_RES: |
| 926 | printk("%s: MSG_SW_RELOAD_EXEC_RES\n", __func__); |
| 927 | break; |
| 928 | case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: |
| 929 | printk("%s: MSG_SMS_SWDOWNLOAD_TRIGGER_RES\n", |
| 930 | __func__); |
| 931 | complete(&coredev->trigger_done); |
| 932 | break; |
| 933 | case MSG_SMS_SLEEP_RESUME_COMP_IND: |
| 934 | complete(&coredev->resume_done); |
| 935 | break; |
| 936 | default: |
| 937 | break; |
| 938 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 939 | smscore_putbuffer(coredev, cb); |
| 940 | } |
| 941 | } |
| 942 | |
| 943 | /** |
| 944 | * return pointer to next free buffer descriptor from core pool |
| 945 | * |
| 946 | * @param coredev pointer to a coredev object returned by smscore_register_device |
| 947 | * |
| 948 | * @return pointer to descriptor on success, NULL on error. |
| 949 | */ |
| 950 | smscore_buffer_t *smscore_getbuffer(smscore_device_t *coredev) |
| 951 | { |
| 952 | smscore_buffer_t *cb = NULL; |
| 953 | unsigned long flags; |
| 954 | |
| 955 | spin_lock_irqsave(&coredev->bufferslock, flags); |
| 956 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 957 | if (!list_empty(&coredev->buffers)) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 958 | cb = (smscore_buffer_t *) coredev->buffers.next; |
| 959 | list_del(&cb->entry); |
| 960 | } |
| 961 | |
| 962 | spin_unlock_irqrestore(&coredev->bufferslock, flags); |
| 963 | |
| 964 | return cb; |
| 965 | } |
| 966 | |
| 967 | /** |
| 968 | * return buffer descriptor to a pool |
| 969 | * |
| 970 | * @param coredev pointer to a coredev object returned by smscore_register_device |
| 971 | * @param cb pointer buffer descriptor |
| 972 | * |
| 973 | */ |
| 974 | void smscore_putbuffer(smscore_device_t *coredev, smscore_buffer_t *cb) |
| 975 | { |
| 976 | list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); |
| 977 | } |
| 978 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 979 | int smscore_validate_client(smscore_device_t *coredev, |
| 980 | smscore_client_t *client, int data_type, int id) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 981 | { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 982 | smscore_idlist_t *listentry; |
| 983 | smscore_client_t *registered_client; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 984 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 985 | if (!client) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 986 | PERROR("bad parameter.\n"); |
| 987 | return -EFAULT; |
| 988 | } |
| 989 | registered_client = smscore_find_client(coredev, data_type, id); |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame^] | 990 | if (registered_client == client) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 991 | return 0; |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame^] | 992 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 993 | if (registered_client) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 994 | PERROR("The msg ID already registered to another client.\n"); |
| 995 | return -EEXIST; |
| 996 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 997 | listentry = kzalloc(sizeof(smscore_idlist_t), GFP_KERNEL); |
| 998 | if (!listentry) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 999 | PERROR("Can't allocate memory for client id.\n"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1000 | return -ENOMEM; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1001 | } |
| 1002 | listentry->id = id; |
| 1003 | listentry->data_type = data_type; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1004 | list_add_locked(&listentry->entry, &client->idlist, |
| 1005 | &coredev->clientslock); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1006 | return 0; |
| 1007 | } |
| 1008 | |
| 1009 | /** |
| 1010 | * creates smsclient object, check that id is taken by another client |
| 1011 | * |
| 1012 | * @param coredev pointer to a coredev object from clients hotplug |
| 1013 | * @param initial_id all messages with this id would be sent to this client |
| 1014 | * @param data_type all messages of this type would be sent to this client |
| 1015 | * @param onresponse_handler client handler that is called to process incoming messages |
| 1016 | * @param onremove_handler client handler that is called when device is removed |
| 1017 | * @param context client-specific context |
| 1018 | * @param client pointer to a value that receives created smsclient object |
| 1019 | * |
| 1020 | * @return 0 on success, <0 on error. |
| 1021 | */ |
| 1022 | int smscore_register_client(smscore_device_t *coredev, smsclient_params_t *params, smscore_client_t **client) |
| 1023 | { |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 1024 | smscore_client_t *newclient; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1025 | /* check that no other channel with same parameters exists */ |
| 1026 | if (smscore_find_client(coredev, params->data_type, |
| 1027 | params->initial_id)) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1028 | PERROR("Client already exist.\n"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1029 | return -EEXIST; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1030 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1031 | |
| 1032 | newclient = kzalloc(sizeof(smscore_client_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1033 | if (!newclient) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1034 | PERROR("Failed to allocate memory for client.\n"); |
| 1035 | return -ENOMEM; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1036 | } |
| 1037 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1038 | INIT_LIST_HEAD(&newclient->idlist); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1039 | newclient->coredev = coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1040 | newclient->onresponse_handler = params->onresponse_handler; |
| 1041 | newclient->onremove_handler = params->onremove_handler; |
| 1042 | newclient->context = params->context; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1043 | list_add_locked(&newclient->entry, &coredev->clients, |
| 1044 | &coredev->clientslock); |
| 1045 | smscore_validate_client(coredev, newclient, params->data_type, |
| 1046 | params->initial_id); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1047 | *client = newclient; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1048 | PDEBUG("%p %d %d\n", params->context, params->data_type, |
| 1049 | params->initial_id); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1050 | |
| 1051 | return 0; |
| 1052 | } |
| 1053 | |
| 1054 | /** |
| 1055 | * frees smsclient object and all subclients associated with it |
| 1056 | * |
| 1057 | * @param client pointer to smsclient object returned by smscore_register_client |
| 1058 | * |
| 1059 | */ |
| 1060 | void smscore_unregister_client(smscore_client_t *client) |
| 1061 | { |
| 1062 | smscore_device_t *coredev = client->coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1063 | unsigned long flags; |
| 1064 | |
| 1065 | spin_lock_irqsave(&coredev->clientslock, flags); |
| 1066 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1067 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1068 | while (!list_empty(&client->idlist)) { |
| 1069 | smscore_idlist_t *identry = |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame^] | 1070 | (smscore_idlist_t *) client->idlist.next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1071 | list_del(&identry->entry); |
| 1072 | kfree(identry); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1073 | } |
| 1074 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1075 | printk(KERN_INFO "%s %p\n", __func__, client->context); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1076 | |
| 1077 | list_del(&client->entry); |
| 1078 | kfree(client); |
| 1079 | |
| 1080 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
| 1081 | } |
| 1082 | |
| 1083 | /** |
| 1084 | * verifies that source id is not taken by another client, |
| 1085 | * calls device handler to send requests to the device |
| 1086 | * |
| 1087 | * @param client pointer to smsclient object returned by smscore_register_client |
| 1088 | * @param buffer pointer to a request buffer |
| 1089 | * @param size size (in bytes) of request buffer |
| 1090 | * |
| 1091 | * @return 0 on success, <0 on error. |
| 1092 | */ |
| 1093 | int smsclient_sendrequest(smscore_client_t *client, void *buffer, size_t size) |
| 1094 | { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1095 | smscore_device_t *coredev; |
Michael Krufky | 494d24c | 2008-06-14 07:40:41 -0300 | [diff] [blame] | 1096 | SmsMsgHdr_ST *phdr = (SmsMsgHdr_ST *) buffer; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1097 | int rc; |
| 1098 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1099 | if (client == NULL) { |
| 1100 | printk(KERN_ERR "%s Got NULL client\n", __func__); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1101 | return -EINVAL; |
| 1102 | } |
| 1103 | |
| 1104 | coredev = client->coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1105 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1106 | /* check that no other channel with same id exists */ |
| 1107 | if (coredev == NULL) { |
| 1108 | printk(KERN_ERR "%s Got NULL coredev\n", __func__); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1109 | return -EINVAL; |
| 1110 | } |
| 1111 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1112 | rc = smscore_validate_client(client->coredev, client, 0, |
| 1113 | phdr->msgSrcId); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1114 | if (rc < 0) |
| 1115 | return rc; |
| 1116 | |
| 1117 | return coredev->sendrequest_handler(coredev->context, buffer, size); |
| 1118 | } |
| 1119 | |
| 1120 | /** |
| 1121 | * return the size of large (common) buffer |
| 1122 | * |
| 1123 | * @param coredev pointer to a coredev object from clients hotplug |
| 1124 | * |
| 1125 | * @return size (in bytes) of the buffer |
| 1126 | */ |
| 1127 | int smscore_get_common_buffer_size(smscore_device_t *coredev) |
| 1128 | { |
| 1129 | return coredev->common_buffer_size; |
| 1130 | } |
| 1131 | |
| 1132 | /** |
| 1133 | * maps common buffer (if supported by platform) |
| 1134 | * |
| 1135 | * @param coredev pointer to a coredev object from clients hotplug |
| 1136 | * @param vma pointer to vma struct from mmap handler |
| 1137 | * |
| 1138 | * @return 0 on success, <0 on error. |
| 1139 | */ |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 1140 | int smscore_map_common_buffer(smscore_device_t *coredev, |
| 1141 | struct vm_area_struct *vma) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1142 | { |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1143 | unsigned long end = vma->vm_end, |
| 1144 | start = vma->vm_start, |
| 1145 | size = PAGE_ALIGN(coredev->common_buffer_size); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1146 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1147 | if (!(vma->vm_flags & (VM_READ | VM_SHARED)) || |
| 1148 | (vma->vm_flags & VM_WRITE)) { |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 1149 | printk(KERN_INFO "%s invalid vm flags\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1150 | return -EINVAL; |
| 1151 | } |
| 1152 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1153 | if ((end - start) != size) { |
| 1154 | printk(KERN_INFO "%s invalid size %d expected %d\n", |
| 1155 | __func__, (int)(end - start), (int) size); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1156 | return -EINVAL; |
| 1157 | } |
| 1158 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1159 | if (remap_pfn_range(vma, start, |
| 1160 | coredev->common_buffer_phys >> PAGE_SHIFT, |
| 1161 | size, pgprot_noncached(vma->vm_page_prot))) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1162 | { |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 1163 | printk(KERN_INFO "%s remap_page_range failed\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1164 | return -EAGAIN; |
| 1165 | } |
| 1166 | |
| 1167 | return 0; |
| 1168 | } |
| 1169 | |
| 1170 | int smscore_module_init(void) |
| 1171 | { |
Steven Toth | c646579 | 2008-05-19 19:09:21 -0300 | [diff] [blame] | 1172 | int rc = 0; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1173 | |
| 1174 | INIT_LIST_HEAD(&g_smscore_notifyees); |
| 1175 | INIT_LIST_HEAD(&g_smscore_devices); |
| 1176 | kmutex_init(&g_smscore_deviceslock); |
| 1177 | |
| 1178 | INIT_LIST_HEAD(&g_smscore_registry); |
| 1179 | kmutex_init(&g_smscore_registrylock); |
| 1180 | |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1181 | /* USB Register */ |
| 1182 | rc = smsusb_register(); |
| 1183 | |
| 1184 | /* DVB Register */ |
| 1185 | rc = smsdvb_register(); |
| 1186 | |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 1187 | printk(KERN_INFO "%s, rc %d\n", __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1188 | |
| 1189 | return rc; |
| 1190 | } |
| 1191 | |
| 1192 | void smscore_module_exit(void) |
| 1193 | { |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1194 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1195 | kmutex_lock(&g_smscore_deviceslock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1196 | while (!list_empty(&g_smscore_notifyees)) { |
| 1197 | smscore_device_notifyee_t *notifyee = |
| 1198 | (smscore_device_notifyee_t *) g_smscore_notifyees.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1199 | |
| 1200 | list_del(¬ifyee->entry); |
| 1201 | kfree(notifyee); |
| 1202 | } |
| 1203 | kmutex_unlock(&g_smscore_deviceslock); |
| 1204 | |
| 1205 | kmutex_lock(&g_smscore_registrylock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1206 | while (!list_empty(&g_smscore_registry)) { |
| 1207 | smscore_registry_entry_t *entry = |
| 1208 | (smscore_registry_entry_t *) g_smscore_registry.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1209 | |
| 1210 | list_del(&entry->entry); |
| 1211 | kfree(entry); |
| 1212 | } |
| 1213 | kmutex_unlock(&g_smscore_registrylock); |
| 1214 | |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1215 | /* DVB UnRegister */ |
| 1216 | smsdvb_unregister(); |
| 1217 | |
| 1218 | /* Unregister USB */ |
| 1219 | smsusb_unregister(); |
| 1220 | |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 1221 | printk(KERN_INFO "%s\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1222 | } |
| 1223 | |
| 1224 | module_init(smscore_module_init); |
| 1225 | module_exit(smscore_module_exit); |
| 1226 | |
| 1227 | MODULE_DESCRIPTION("smscore"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1228 | MODULE_AUTHOR("Siano Mobile Silicon,,, (doronc@siano-ms.com)"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1229 | MODULE_LICENSE("GPL"); |