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...)\ |
Michael Krufky | 068d6c0 | 2008-06-19 01:15:46 -0300 | [diff] [blame] | 37 | sms_err("smscore error: line %d- %s(): " fmt, \ |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 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 | 068d6c0 | 2008-06-19 01:15:46 -0300 | [diff] [blame] | 42 | # define PWARNING(fmt, args...) sms_info("smscore warning: " \ |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 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 | 068d6c0 | 2008-06-19 01:15:46 -0300 | [diff] [blame] | 46 | # define PDEBUG(fmt, args...) sms_info("smscore - %s(): " fmt, \ |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 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 | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 53 | struct smscore_device_notifyee_t { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 54 | struct list_head entry; |
| 55 | hotplug_t hotplug; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 56 | }; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 57 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 58 | struct smscore_idlist_t { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 59 | struct list_head entry; |
| 60 | int id; |
| 61 | int data_type; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 62 | }; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 63 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 64 | struct smscore_client_t { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 65 | struct list_head entry; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 66 | struct smscore_device_t *coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 67 | void *context; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 68 | struct list_head idlist; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 69 | onresponse_t onresponse_handler; |
| 70 | onremove_t onremove_handler; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 71 | }; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 72 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 73 | struct smscore_device_t { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 74 | struct list_head entry; |
| 75 | |
| 76 | struct list_head clients; |
| 77 | struct list_head subclients; |
| 78 | spinlock_t clientslock; |
| 79 | |
| 80 | struct list_head buffers; |
| 81 | spinlock_t bufferslock; |
| 82 | int num_buffers; |
| 83 | |
| 84 | void *common_buffer; |
| 85 | int common_buffer_size; |
| 86 | dma_addr_t common_buffer_phys; |
| 87 | |
| 88 | void *context; |
| 89 | struct device *device; |
| 90 | |
| 91 | char devpath[32]; |
| 92 | unsigned long device_flags; |
| 93 | |
| 94 | setmode_t setmode_handler; |
| 95 | detectmode_t detectmode_handler; |
| 96 | sendrequest_t sendrequest_handler; |
| 97 | preload_t preload_handler; |
| 98 | postload_t postload_handler; |
| 99 | |
| 100 | int mode, modes_supported; |
| 101 | |
| 102 | struct completion version_ex_done, data_download_done, trigger_done; |
| 103 | struct completion init_device_done, reload_start_done, resume_done; |
Michael Krufky | 1c11d54 | 2008-06-18 22:09:55 -0300 | [diff] [blame] | 104 | |
| 105 | int board_id; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 106 | }; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 107 | |
Michael Krufky | 1c11d54 | 2008-06-18 22:09:55 -0300 | [diff] [blame] | 108 | void smscore_set_board_id(struct smscore_device_t *core, int id) |
| 109 | { |
| 110 | core->board_id = id; |
| 111 | } |
| 112 | |
| 113 | int smscore_get_board_id(struct smscore_device_t *core) |
| 114 | { |
| 115 | return core->board_id; |
| 116 | } |
| 117 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 118 | struct smscore_registry_entry_t { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 119 | struct list_head entry; |
| 120 | char devpath[32]; |
| 121 | int mode; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 122 | enum sms_device_type_st type; |
| 123 | }; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 124 | |
| 125 | struct list_head g_smscore_notifyees; |
| 126 | struct list_head g_smscore_devices; |
| 127 | kmutex_t g_smscore_deviceslock; |
| 128 | |
| 129 | struct list_head g_smscore_registry; |
| 130 | kmutex_t g_smscore_registrylock; |
| 131 | |
Michael Krufky | dd5b2a5 | 2008-06-18 20:25:25 -0300 | [diff] [blame] | 132 | static int default_mode = 4; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 133 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 134 | module_param(default_mode, int, 0644); |
| 135 | MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); |
| 136 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 137 | static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 138 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 139 | struct smscore_registry_entry_t *entry; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 140 | struct list_head *next; |
| 141 | |
| 142 | kmutex_lock(&g_smscore_registrylock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 143 | for (next = g_smscore_registry.next; |
| 144 | next != &g_smscore_registry; |
| 145 | next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 146 | entry = (struct smscore_registry_entry_t *) next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 147 | if (!strcmp(entry->devpath, devpath)) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 148 | kmutex_unlock(&g_smscore_registrylock); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 149 | return entry; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 150 | } |
| 151 | } |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 152 | entry = (struct smscore_registry_entry_t *) |
| 153 | kmalloc(sizeof(struct smscore_registry_entry_t), |
| 154 | GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 155 | if (entry) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 156 | entry->mode = default_mode; |
| 157 | strcpy(entry->devpath, devpath); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 158 | list_add(&entry->entry, &g_smscore_registry); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 159 | } else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 160 | sms_err("failed to create smscore_registry."); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 161 | kmutex_unlock(&g_smscore_registrylock); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 162 | return entry; |
| 163 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 164 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 165 | int smscore_registry_getmode(char *devpath) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 166 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 167 | struct smscore_registry_entry_t *entry; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 168 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 169 | entry = smscore_find_registry(devpath); |
| 170 | if (entry) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 171 | return entry->mode; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 172 | else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 173 | sms_err("No registry found."); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 174 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 175 | return default_mode; |
| 176 | } |
| 177 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 178 | enum sms_device_type_st smscore_registry_gettype(char *devpath) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 179 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 180 | struct smscore_registry_entry_t *entry; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 181 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 182 | entry = smscore_find_registry(devpath); |
| 183 | if (entry) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 184 | return entry->type; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 185 | else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 186 | sms_err("No registry found."); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 187 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 188 | return -1; |
| 189 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 190 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 191 | void smscore_registry_setmode(char *devpath, int mode) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -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 | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 194 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 195 | entry = smscore_find_registry(devpath); |
| 196 | if (entry) |
| 197 | entry->mode = mode; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 198 | else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 199 | sms_err("No registry found."); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 200 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 201 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 202 | void smscore_registry_settype(char *devpath, enum sms_device_type_st type) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 203 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 204 | struct smscore_registry_entry_t *entry; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 205 | |
| 206 | entry = smscore_find_registry(devpath); |
| 207 | if (entry) |
| 208 | entry->type = type; |
| 209 | else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 210 | sms_err("No registry found."); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 211 | } |
| 212 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 213 | |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 214 | void list_add_locked(struct list_head *new, struct list_head *head, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 215 | spinlock_t *lock) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 216 | { |
| 217 | unsigned long flags; |
| 218 | |
| 219 | spin_lock_irqsave(lock, flags); |
| 220 | |
| 221 | list_add(new, head); |
| 222 | |
| 223 | spin_unlock_irqrestore(lock, flags); |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * register a client callback that called when device plugged in/unplugged |
| 228 | * NOTE: if devices exist callback is called immediately for each device |
| 229 | * |
| 230 | * @param hotplug callback |
| 231 | * |
| 232 | * @return 0 on success, <0 on error. |
| 233 | */ |
| 234 | int smscore_register_hotplug(hotplug_t hotplug) |
| 235 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 236 | struct smscore_device_notifyee_t *notifyee; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 237 | struct list_head *next, *first; |
| 238 | int rc = 0; |
| 239 | |
| 240 | kmutex_lock(&g_smscore_deviceslock); |
| 241 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 242 | notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), |
| 243 | GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 244 | if (notifyee) { |
| 245 | /* now notify callback about existing devices */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 246 | first = &g_smscore_devices; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 247 | for (next = first->next; |
| 248 | next != first && !rc; |
| 249 | next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 250 | struct smscore_device_t *coredev = |
| 251 | (struct smscore_device_t *) next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 252 | rc = hotplug(coredev, coredev->device, 1); |
| 253 | } |
| 254 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 255 | if (rc >= 0) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 256 | notifyee->hotplug = hotplug; |
| 257 | list_add(¬ifyee->entry, &g_smscore_notifyees); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 258 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 259 | kfree(notifyee); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 260 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 261 | rc = -ENOMEM; |
| 262 | |
| 263 | kmutex_unlock(&g_smscore_deviceslock); |
| 264 | |
| 265 | return rc; |
| 266 | } |
| 267 | |
| 268 | /** |
| 269 | * unregister a client callback that called when device plugged in/unplugged |
| 270 | * |
| 271 | * @param hotplug callback |
| 272 | * |
| 273 | */ |
| 274 | void smscore_unregister_hotplug(hotplug_t hotplug) |
| 275 | { |
| 276 | struct list_head *next, *first; |
| 277 | |
| 278 | kmutex_lock(&g_smscore_deviceslock); |
| 279 | |
| 280 | first = &g_smscore_notifyees; |
| 281 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 282 | for (next = first->next; next != first;) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 283 | struct smscore_device_notifyee_t *notifyee = |
| 284 | (struct smscore_device_notifyee_t *) next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 285 | next = next->next; |
| 286 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 287 | if (notifyee->hotplug == hotplug) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 288 | list_del(¬ifyee->entry); |
| 289 | kfree(notifyee); |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | kmutex_unlock(&g_smscore_deviceslock); |
| 294 | } |
| 295 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 296 | void smscore_notify_clients(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 297 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 298 | struct smscore_client_t *client; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 299 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 300 | /* the client must call smscore_unregister_client from remove handler */ |
| 301 | while (!list_empty(&coredev->clients)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 302 | client = (struct smscore_client_t *) coredev->clients.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 303 | client->onremove_handler(client->context); |
| 304 | } |
| 305 | } |
| 306 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 307 | int smscore_notify_callbacks(struct smscore_device_t *coredev, |
| 308 | struct device *device, int arrival) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 309 | { |
| 310 | struct list_head *next, *first; |
| 311 | int rc = 0; |
| 312 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 313 | /* note: must be called under g_deviceslock */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 314 | |
| 315 | first = &g_smscore_notifyees; |
| 316 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 317 | for (next = first->next; next != first; next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 318 | rc = ((struct smscore_device_notifyee_t *) next)-> |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 319 | hotplug(coredev, device, arrival); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 320 | if (rc < 0) |
| 321 | break; |
| 322 | } |
| 323 | |
| 324 | return rc; |
| 325 | } |
| 326 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 327 | struct smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 328 | dma_addr_t common_buffer_phys) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 329 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 330 | struct smscore_buffer_t *cb = |
| 331 | kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 332 | if (!cb) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 333 | sms_info("kmalloc(...) failed"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 334 | return NULL; |
| 335 | } |
| 336 | |
| 337 | cb->p = buffer; |
Michael Krufky | 494d24c | 2008-06-14 07:40:41 -0300 | [diff] [blame] | 338 | cb->offset_in_common = buffer - (u8 *) common_buffer; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 339 | cb->phys = common_buffer_phys + cb->offset_in_common; |
| 340 | |
| 341 | return cb; |
| 342 | } |
| 343 | |
| 344 | /** |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 345 | * creates coredev object for a device, prepares buffers, |
| 346 | * creates buffer mappings, notifies registered hotplugs about new device. |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 347 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 348 | * @param params device pointer to struct with device specific parameters |
| 349 | * and handlers |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 350 | * @param coredev pointer to a value that receives created coredev object |
| 351 | * |
| 352 | * @return 0 on success, <0 on error. |
| 353 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 354 | int smscore_register_device(struct smsdevice_params_t *params, |
| 355 | struct smscore_device_t **coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 356 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 357 | struct smscore_device_t *dev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 358 | u8 *buffer; |
| 359 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 360 | dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 361 | if (!dev) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 362 | sms_info("kzalloc(...) failed"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 363 | return -ENOMEM; |
| 364 | } |
| 365 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 366 | /* init list entry so it could be safe in smscore_unregister_device */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 367 | INIT_LIST_HEAD(&dev->entry); |
| 368 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 369 | /* init queues */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 370 | INIT_LIST_HEAD(&dev->clients); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 371 | INIT_LIST_HEAD(&dev->buffers); |
| 372 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 373 | /* init locks */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 374 | spin_lock_init(&dev->clientslock); |
| 375 | spin_lock_init(&dev->bufferslock); |
| 376 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 377 | /* init completion events */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 378 | init_completion(&dev->version_ex_done); |
| 379 | init_completion(&dev->data_download_done); |
| 380 | init_completion(&dev->trigger_done); |
| 381 | init_completion(&dev->init_device_done); |
| 382 | init_completion(&dev->reload_start_done); |
| 383 | init_completion(&dev->resume_done); |
| 384 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 385 | /* alloc common buffer */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 386 | dev->common_buffer_size = params->buffer_size * params->num_buffers; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 387 | dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, |
| 388 | &dev->common_buffer_phys, |
| 389 | GFP_KERNEL | GFP_DMA); |
| 390 | if (!dev->common_buffer) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 391 | smscore_unregister_device(dev); |
| 392 | return -ENOMEM; |
| 393 | } |
| 394 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 395 | /* prepare dma buffers */ |
| 396 | for (buffer = dev->common_buffer; |
| 397 | dev->num_buffers < params->num_buffers; |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 398 | dev->num_buffers++, buffer += params->buffer_size) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 399 | struct smscore_buffer_t *cb = |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 400 | smscore_createbuffer(buffer, dev->common_buffer, |
| 401 | dev->common_buffer_phys); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 402 | if (!cb) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 403 | smscore_unregister_device(dev); |
| 404 | return -ENOMEM; |
| 405 | } |
| 406 | |
| 407 | smscore_putbuffer(dev, cb); |
| 408 | } |
| 409 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 410 | sms_info("allocated %d buffers", dev->num_buffers); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 411 | |
| 412 | dev->mode = DEVICE_MODE_NONE; |
| 413 | dev->context = params->context; |
| 414 | dev->device = params->device; |
| 415 | dev->setmode_handler = params->setmode_handler; |
| 416 | dev->detectmode_handler = params->detectmode_handler; |
| 417 | dev->sendrequest_handler = params->sendrequest_handler; |
| 418 | dev->preload_handler = params->preload_handler; |
| 419 | dev->postload_handler = params->postload_handler; |
| 420 | |
| 421 | dev->device_flags = params->flags; |
| 422 | strcpy(dev->devpath, params->devpath); |
| 423 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 424 | smscore_registry_settype(dev->devpath, params->device_type); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 425 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 426 | /* add device to devices list */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 427 | kmutex_lock(&g_smscore_deviceslock); |
| 428 | list_add(&dev->entry, &g_smscore_devices); |
| 429 | kmutex_unlock(&g_smscore_deviceslock); |
| 430 | |
| 431 | *coredev = dev; |
| 432 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 433 | sms_info("device %p created", dev); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 434 | |
| 435 | return 0; |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * sets initial device mode and notifies client hotplugs that device is ready |
| 440 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 441 | * @param coredev pointer to a coredev object returned by |
| 442 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 443 | * |
| 444 | * @return 0 on success, <0 on error. |
| 445 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 446 | int smscore_start_device(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 447 | { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 448 | int rc = smscore_set_device_mode( |
| 449 | coredev, smscore_registry_getmode(coredev->devpath)); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 450 | if (rc < 0) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 451 | sms_info("set device mode faile , rc %d", rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 452 | return rc; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 453 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 454 | |
| 455 | kmutex_lock(&g_smscore_deviceslock); |
| 456 | |
| 457 | rc = smscore_notify_callbacks(coredev, coredev->device, 1); |
| 458 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 459 | sms_info("device %p started, rc %d", coredev, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 460 | |
| 461 | kmutex_unlock(&g_smscore_deviceslock); |
| 462 | |
| 463 | return rc; |
| 464 | } |
| 465 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 466 | int smscore_sendrequest_and_wait(struct smscore_device_t *coredev, void *buffer, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 467 | size_t size, struct completion *completion) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 468 | { |
| 469 | int rc = coredev->sendrequest_handler(coredev->context, buffer, size); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 470 | if (rc < 0) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 471 | sms_info("sendrequest returned error %d", rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 472 | return rc; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 473 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 474 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 475 | return wait_for_completion_timeout(completion, |
| 476 | msecs_to_jiffies(10000)) ? |
| 477 | 0 : -ETIME; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 478 | } |
| 479 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 480 | int smscore_load_firmware_family2(struct smscore_device_t *coredev, |
| 481 | void *buffer, size_t size) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 482 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 483 | struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer; |
| 484 | struct SmsMsgHdr_ST *msg; |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 485 | u32 mem_address = firmware->StartAddress; |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 486 | u8 *payload = firmware->Payload; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 487 | int rc = 0; |
| 488 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 489 | sms_info("loading FW to addr 0x%x size %d", |
| 490 | mem_address, firmware->Length); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 491 | if (coredev->preload_handler) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 492 | rc = coredev->preload_handler(coredev->context); |
| 493 | if (rc < 0) |
| 494 | return rc; |
| 495 | } |
| 496 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 497 | /* PAGE_SIZE buffer shall be enough and dma aligned */ |
Michael Krufky | e080842 | 2008-06-15 19:11:37 -0300 | [diff] [blame] | 498 | msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 499 | if (!msg) |
| 500 | return -ENOMEM; |
| 501 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 502 | if (coredev->mode != DEVICE_MODE_NONE) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 503 | PDEBUG("Sending reload command"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 504 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 505 | sizeof(struct SmsMsgHdr_ST)); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 506 | rc = smscore_sendrequest_and_wait(coredev, msg, |
| 507 | msg->msgLength, |
| 508 | &coredev->reload_start_done); |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 509 | mem_address = *(u32 *) &payload[20]; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 510 | } |
| 511 | |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 512 | while (size && rc >= 0) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 513 | struct SmsDataDownload_ST *DataMsg = |
| 514 | (struct SmsDataDownload_ST *) msg; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 515 | int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); |
| 516 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 517 | SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 518 | (u16)(sizeof(struct SmsMsgHdr_ST) + |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 519 | sizeof(u32) + payload_size)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 520 | |
| 521 | DataMsg->MemAddr = mem_address; |
| 522 | memcpy(DataMsg->Payload, payload, payload_size); |
| 523 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 524 | if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && |
| 525 | (coredev->mode == DEVICE_MODE_NONE)) |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 526 | rc = coredev->sendrequest_handler( |
| 527 | coredev->context, DataMsg, |
| 528 | DataMsg->xMsgHeader.msgLength); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 529 | else |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 530 | rc = smscore_sendrequest_and_wait( |
| 531 | coredev, DataMsg, |
| 532 | DataMsg->xMsgHeader.msgLength, |
| 533 | &coredev->data_download_done); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 534 | |
| 535 | payload += payload_size; |
| 536 | size -= payload_size; |
| 537 | mem_address += payload_size; |
| 538 | } |
| 539 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 540 | if (rc >= 0) { |
| 541 | if (coredev->mode == DEVICE_MODE_NONE) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 542 | struct SmsMsgData_ST *TriggerMsg = |
| 543 | (struct SmsMsgData_ST *) msg; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 544 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 545 | SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 546 | sizeof(struct SmsMsgHdr_ST) + |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 547 | sizeof(u32) * 5); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 548 | |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 549 | TriggerMsg->msgData[0] = firmware->StartAddress; |
| 550 | /* Entry point */ |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 551 | TriggerMsg->msgData[1] = 5; /* Priority */ |
| 552 | TriggerMsg->msgData[2] = 0x200; /* Stack size */ |
| 553 | TriggerMsg->msgData[3] = 0; /* Parameter */ |
| 554 | TriggerMsg->msgData[4] = 4; /* Task ID */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 555 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 556 | if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 557 | rc = coredev->sendrequest_handler( |
| 558 | coredev->context, TriggerMsg, |
| 559 | TriggerMsg->xMsgHeader.msgLength); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 560 | msleep(100); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 561 | } else |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 562 | rc = smscore_sendrequest_and_wait( |
| 563 | coredev, TriggerMsg, |
| 564 | TriggerMsg->xMsgHeader.msgLength, |
| 565 | &coredev->trigger_done); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 566 | } else { |
| 567 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 568 | sizeof(struct SmsMsgHdr_ST)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 569 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 570 | rc = coredev->sendrequest_handler(coredev->context, |
| 571 | msg, msg->msgLength); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 572 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 573 | msleep(500); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 574 | } |
| 575 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 576 | sms_debug("rc=%d, postload=%p ", rc, |
Michael Krufky | 068d6c0 | 2008-06-19 01:15:46 -0300 | [diff] [blame] | 577 | coredev->postload_handler); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 578 | |
| 579 | kfree(msg); |
| 580 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 581 | return ((rc >= 0) && coredev->postload_handler) ? |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 582 | coredev->postload_handler(coredev->context) : |
| 583 | rc; |
| 584 | } |
| 585 | |
| 586 | /** |
| 587 | * loads specified firmware into a buffer and calls device loadfirmware_handler |
| 588 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 589 | * @param coredev pointer to a coredev object returned by |
| 590 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 591 | * @param filename null-terminated string specifies firmware file name |
| 592 | * @param loadfirmware_handler device handler that loads firmware |
| 593 | * |
| 594 | * @return 0 on success, <0 on error. |
| 595 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 596 | int smscore_load_firmware_from_file(struct smscore_device_t *coredev, |
| 597 | char *filename, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 598 | loadfirmware_t loadfirmware_handler) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 599 | { |
| 600 | int rc = -ENOENT; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 601 | const struct firmware *fw; |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 602 | u8 *fw_buffer; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 603 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 604 | if (loadfirmware_handler == NULL && !(coredev->device_flags & |
| 605 | SMS_DEVICE_FAMILY2)) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 606 | return -EINVAL; |
| 607 | |
| 608 | rc = request_firmware(&fw, filename, coredev->device); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 609 | if (rc < 0) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 610 | sms_info("failed to open \"%s\"", filename); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 611 | return rc; |
| 612 | } |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 613 | sms_info("read FW %s, size=%d\"", filename, fw->size); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 614 | fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), |
| 615 | GFP_KERNEL | GFP_DMA); |
| 616 | if (fw_buffer) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 617 | memcpy(fw_buffer, fw->data, fw->size); |
| 618 | |
| 619 | rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 620 | smscore_load_firmware_family2(coredev, |
| 621 | fw_buffer, |
| 622 | fw->size) : |
| 623 | loadfirmware_handler(coredev->context, |
| 624 | fw_buffer, fw->size); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 625 | |
| 626 | kfree(fw_buffer); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 627 | } else { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 628 | sms_info("failed to allocate firmware buffer"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 629 | rc = -ENOMEM; |
| 630 | } |
| 631 | |
| 632 | release_firmware(fw); |
| 633 | |
| 634 | return rc; |
| 635 | } |
| 636 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 637 | int smscore_load_firmware_from_buffer(struct smscore_device_t *coredev, |
| 638 | u8 *buffer, int size, int new_mode) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 639 | { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 640 | PERROR("Feature not implemented yet"); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 641 | return -EFAULT; |
| 642 | } |
| 643 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 644 | /** |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 645 | * notifies all clients registered with the device, notifies hotplugs, |
| 646 | * frees all buffers and coredev object |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 647 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 648 | * @param coredev pointer to a coredev object returned by |
| 649 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 650 | * |
| 651 | * @return 0 on success, <0 on error. |
| 652 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 653 | void smscore_unregister_device(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 654 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 655 | struct smscore_buffer_t *cb; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 656 | int num_buffers = 0; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 657 | int retry = 0; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 658 | |
| 659 | kmutex_lock(&g_smscore_deviceslock); |
| 660 | |
| 661 | smscore_notify_clients(coredev); |
| 662 | smscore_notify_callbacks(coredev, NULL, 0); |
| 663 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 664 | /* at this point all buffers should be back |
| 665 | * onresponse must no longer be called */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 666 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 667 | while (1) { |
| 668 | while ((cb = smscore_getbuffer(coredev))) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 669 | kfree(cb); |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 670 | num_buffers++; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 671 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 672 | if (num_buffers == coredev->num_buffers) |
| 673 | break; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 674 | if (++retry > 10) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 675 | sms_info("exiting although " |
| 676 | "not all buffers released."); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 677 | break; |
| 678 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 679 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 680 | sms_info("waiting for %d buffer(s)", |
Michael Krufky | 068d6c0 | 2008-06-19 01:15:46 -0300 | [diff] [blame] | 681 | coredev->num_buffers - num_buffers); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 682 | msleep(100); |
| 683 | } |
| 684 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 685 | sms_info("freed %d buffers", num_buffers); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 686 | |
| 687 | if (coredev->common_buffer) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 688 | dma_free_coherent(NULL, coredev->common_buffer_size, |
| 689 | coredev->common_buffer, |
| 690 | coredev->common_buffer_phys); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 691 | |
| 692 | list_del(&coredev->entry); |
| 693 | kfree(coredev); |
| 694 | |
| 695 | kmutex_unlock(&g_smscore_deviceslock); |
| 696 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 697 | sms_info("device %p destroyed", coredev); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 698 | } |
| 699 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 700 | int smscore_detect_mode(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 701 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 702 | void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 703 | GFP_KERNEL | GFP_DMA); |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 704 | struct SmsMsgHdr_ST *msg = |
| 705 | (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 706 | int rc; |
| 707 | |
| 708 | if (!buffer) |
| 709 | return -ENOMEM; |
| 710 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 711 | SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, |
| 712 | sizeof(struct SmsMsgHdr_ST)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 713 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 714 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, |
| 715 | &coredev->version_ex_done); |
| 716 | if (rc == -ETIME) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 717 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 718 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 719 | if (wait_for_completion_timeout(&coredev->resume_done, |
| 720 | msecs_to_jiffies(5000))) { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 721 | rc = smscore_sendrequest_and_wait( |
| 722 | coredev, msg, msg->msgLength, |
| 723 | &coredev->version_ex_done); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 724 | if (rc < 0) |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 725 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed " |
| 726 | "second try, rc %d", rc); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 727 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 728 | rc = -ETIME; |
| 729 | } |
| 730 | |
| 731 | kfree(buffer); |
| 732 | |
| 733 | return rc; |
| 734 | } |
| 735 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 736 | char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = { |
Michael Krufky | fbd05c8 | 2008-06-15 19:27:35 -0300 | [diff] [blame] | 737 | /*Stellar NOVA A0 Nova B0 VEGA*/ |
| 738 | /*DVBT*/ |
| 739 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 740 | /*DVBH*/ |
| 741 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 742 | /*TDMB*/ |
| 743 | {"none", "tdmb_nova_12mhz.inp", "none", "none"}, |
| 744 | /*DABIP*/ |
| 745 | {"none", "none", "none", "none"}, |
| 746 | /*BDA*/ |
| 747 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 748 | /*ISDBT*/ |
| 749 | {"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"}, |
| 750 | /*ISDBTBDA*/ |
| 751 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, |
| 752 | /*CMMB*/ |
| 753 | {"none", "none", "none", "cmmb_vega_12mhz.inp"} |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 754 | }; |
| 755 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 756 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 757 | /** |
| 758 | * calls device handler to change mode of operation |
| 759 | * NOTE: stellar/usb may disconnect when changing mode |
| 760 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 761 | * @param coredev pointer to a coredev object returned by |
| 762 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 763 | * @param mode requested mode of operation |
| 764 | * |
| 765 | * @return 0 on success, <0 on error. |
| 766 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 767 | int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 768 | { |
| 769 | void *buffer; |
| 770 | int rc = 0; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 771 | enum sms_device_type_st type; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 772 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 773 | PDEBUG("set device mode to %d", mode); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 774 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { |
| 775 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 776 | sms_info("invalid mode specified %d", mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 777 | return -EINVAL; |
| 778 | } |
| 779 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 780 | smscore_registry_setmode(coredev->devpath, mode); |
| 781 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 782 | if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 783 | rc = smscore_detect_mode(coredev); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 784 | if (rc < 0) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 785 | sms_info("mode detect failed %d", rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 786 | return rc; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 787 | } |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 788 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 789 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 790 | if (coredev->mode == mode) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 791 | sms_info("device mode %d already set", mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 792 | return 0; |
| 793 | } |
| 794 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 795 | if (!(coredev->modes_supported & (1 << mode))) { |
| 796 | type = smscore_registry_gettype(coredev->devpath); |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 797 | rc = smscore_load_firmware_from_file( |
| 798 | coredev, smscore_fw_lkup[mode][type], NULL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 799 | if (rc < 0) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 800 | sms_info("load firmware " |
| 801 | "failed %d", rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 802 | return rc; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 803 | } |
| 804 | } else |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 805 | sms_info("mode %d supported by running " |
| 806 | "firmware", mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 807 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 808 | buffer = kmalloc(sizeof(struct SmsMsgData_ST) + |
| 809 | SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 810 | if (buffer) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 811 | struct SmsMsgData_ST *msg = |
| 812 | (struct SmsMsgData_ST *) |
| 813 | SMS_ALIGN_ADDRESS(buffer); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 814 | |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 815 | SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 816 | sizeof(struct SmsMsgData_ST)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 817 | msg->msgData[0] = mode; |
| 818 | |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 819 | rc = smscore_sendrequest_and_wait( |
| 820 | coredev, msg, msg->xMsgHeader.msgLength, |
| 821 | &coredev->init_device_done); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 822 | |
| 823 | kfree(buffer); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 824 | } else { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 825 | sms_info("Could not allocate buffer for " |
| 826 | "init device message."); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 827 | rc = -ENOMEM; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 828 | } |
| 829 | } else { |
| 830 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 831 | sms_info("invalid mode specified %d", mode); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 832 | return -EINVAL; |
| 833 | } |
| 834 | |
| 835 | smscore_registry_setmode(coredev->devpath, mode); |
| 836 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 837 | if (coredev->detectmode_handler) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 838 | coredev->detectmode_handler(coredev->context, |
| 839 | &coredev->mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 840 | |
| 841 | if (coredev->mode != mode && coredev->setmode_handler) |
| 842 | rc = coredev->setmode_handler(coredev->context, mode); |
| 843 | } |
| 844 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 845 | if (rc >= 0) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 846 | coredev->mode = mode; |
| 847 | coredev->device_flags &= ~SMS_DEVICE_NOT_READY; |
| 848 | } |
| 849 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 850 | if (rc != 0) |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 851 | sms_info("return error code %d.", rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 852 | return rc; |
| 853 | } |
| 854 | |
| 855 | /** |
| 856 | * calls device handler to get current mode of operation |
| 857 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 858 | * @param coredev pointer to a coredev object returned by |
| 859 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 860 | * |
| 861 | * @return current mode |
| 862 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 863 | int smscore_get_device_mode(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 864 | { |
| 865 | return coredev->mode; |
| 866 | } |
| 867 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 868 | /** |
| 869 | * find client by response id & type within the clients list. |
| 870 | * return client handle or NULL. |
| 871 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 872 | * @param coredev pointer to a coredev object returned by |
| 873 | * smscore_register_device |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 874 | * @param data_type client data type (SMS_DONT_CARE for all types) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 875 | * @param id client id (SMS_DONT_CARE for all id) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 876 | * |
| 877 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 878 | struct smscore_client_t *smscore_find_client(struct smscore_device_t *coredev, |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 879 | int data_type, int id) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 880 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 881 | struct smscore_client_t *client = NULL; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 882 | struct list_head *next, *first; |
| 883 | unsigned long flags; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 884 | struct list_head *firstid, *nextid; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 885 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 886 | |
| 887 | spin_lock_irqsave(&coredev->clientslock, flags); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 888 | first = &coredev->clients; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 889 | for (next = first->next; |
| 890 | (next != first) && !client; |
| 891 | next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 892 | firstid = &((struct smscore_client_t *)next)->idlist; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 893 | for (nextid = firstid->next; |
| 894 | nextid != firstid; |
| 895 | nextid = nextid->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 896 | if ((((struct smscore_idlist_t *)nextid)->id == id) && |
| 897 | (((struct smscore_idlist_t *)nextid)->data_type == data_type || |
| 898 | (((struct smscore_idlist_t *)nextid)->data_type == 0))) { |
| 899 | client = (struct smscore_client_t *) next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 900 | break; |
| 901 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 902 | } |
| 903 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 904 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 905 | return client; |
| 906 | } |
| 907 | |
| 908 | /** |
| 909 | * find client by response id/type, call clients onresponse handler |
| 910 | * return buffer to pool on error |
| 911 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 912 | * @param coredev pointer to a coredev object returned by |
| 913 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 914 | * @param cb pointer to response buffer descriptor |
| 915 | * |
| 916 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 917 | void smscore_onresponse(struct smscore_device_t *coredev, |
| 918 | struct smscore_buffer_t *cb) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 919 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 920 | struct SmsMsgHdr_ST *phdr = |
| 921 | (struct SmsMsgHdr_ST *)((u8 *) cb->p + cb->offset); |
| 922 | struct smscore_client_t *client = |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 923 | smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 924 | int rc = -EBUSY; |
| 925 | |
Michael Krufky | fbd05c8 | 2008-06-15 19:27:35 -0300 | [diff] [blame] | 926 | static unsigned long last_sample_time; /* = 0; */ |
| 927 | static int data_total; /* = 0; */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 928 | unsigned long time_now = jiffies_to_msecs(jiffies); |
| 929 | |
| 930 | if (!last_sample_time) |
| 931 | last_sample_time = time_now; |
| 932 | |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 933 | if (time_now - last_sample_time > 10000) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 934 | sms_debug("\ndata rate %d bytes/secs", |
Michael Krufky | 068d6c0 | 2008-06-19 01:15:46 -0300 | [diff] [blame] | 935 | (int)((data_total * 1000) / |
| 936 | (time_now - last_sample_time))); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 937 | |
| 938 | last_sample_time = time_now; |
| 939 | data_total = 0; |
| 940 | } |
| 941 | |
| 942 | data_total += cb->size; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 943 | /* If no client registered for type & id, |
| 944 | * check for control client where type is not registered */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 945 | if (client) |
| 946 | rc = client->onresponse_handler(client->context, cb); |
| 947 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 948 | if (rc < 0) { |
| 949 | switch (phdr->msgType) { |
| 950 | case MSG_SMS_GET_VERSION_EX_RES: |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 951 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 952 | struct SmsVersionRes_ST *ver = |
| 953 | (struct SmsVersionRes_ST *) phdr; |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 954 | sms_debug("MSG_SMS_GET_VERSION_EX_RES " |
| 955 | "id %d prots 0x%x ver %d.%d", |
Michael Krufky | 068d6c0 | 2008-06-19 01:15:46 -0300 | [diff] [blame] | 956 | ver->FirmwareId, ver->SupportedProtocols, |
| 957 | ver->RomVersionMajor, ver->RomVersionMinor); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 958 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 959 | coredev->mode = ver->FirmwareId == 255 ? |
| 960 | DEVICE_MODE_NONE : ver->FirmwareId; |
| 961 | coredev->modes_supported = ver->SupportedProtocols; |
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 | complete(&coredev->version_ex_done); |
| 964 | break; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 965 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 966 | case MSG_SMS_INIT_DEVICE_RES: |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 967 | sms_debug("MSG_SMS_INIT_DEVICE_RES"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 968 | complete(&coredev->init_device_done); |
| 969 | break; |
| 970 | case MSG_SW_RELOAD_START_RES: |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 971 | sms_debug("MSG_SW_RELOAD_START_RES"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 972 | complete(&coredev->reload_start_done); |
| 973 | break; |
| 974 | case MSG_SMS_DATA_DOWNLOAD_RES: |
| 975 | complete(&coredev->data_download_done); |
| 976 | break; |
| 977 | case MSG_SW_RELOAD_EXEC_RES: |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 978 | sms_debug("MSG_SW_RELOAD_EXEC_RES"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 979 | break; |
| 980 | case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 981 | sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 982 | complete(&coredev->trigger_done); |
| 983 | break; |
| 984 | case MSG_SMS_SLEEP_RESUME_COMP_IND: |
| 985 | complete(&coredev->resume_done); |
| 986 | break; |
| 987 | default: |
| 988 | break; |
| 989 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 990 | smscore_putbuffer(coredev, cb); |
| 991 | } |
| 992 | } |
| 993 | |
| 994 | /** |
| 995 | * return pointer to next free buffer descriptor from core pool |
| 996 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 997 | * @param coredev pointer to a coredev object returned by |
| 998 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 999 | * |
| 1000 | * @return pointer to descriptor on success, NULL on error. |
| 1001 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1002 | struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1003 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1004 | struct smscore_buffer_t *cb = NULL; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1005 | unsigned long flags; |
| 1006 | |
| 1007 | spin_lock_irqsave(&coredev->bufferslock, flags); |
| 1008 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1009 | if (!list_empty(&coredev->buffers)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1010 | cb = (struct smscore_buffer_t *) coredev->buffers.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1011 | list_del(&cb->entry); |
| 1012 | } |
| 1013 | |
| 1014 | spin_unlock_irqrestore(&coredev->bufferslock, flags); |
| 1015 | |
| 1016 | return cb; |
| 1017 | } |
| 1018 | |
| 1019 | /** |
| 1020 | * return buffer descriptor to a pool |
| 1021 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 1022 | * @param coredev pointer to a coredev object returned by |
| 1023 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1024 | * @param cb pointer buffer descriptor |
| 1025 | * |
| 1026 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1027 | void smscore_putbuffer(struct smscore_device_t *coredev, |
| 1028 | struct smscore_buffer_t *cb) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1029 | { |
| 1030 | list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); |
| 1031 | } |
| 1032 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1033 | int smscore_validate_client(struct smscore_device_t *coredev, |
| 1034 | struct smscore_client_t *client, |
| 1035 | int data_type, int id) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1036 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1037 | struct smscore_idlist_t *listentry; |
| 1038 | struct smscore_client_t *registered_client; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1039 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1040 | if (!client) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1041 | PERROR("bad parameter."); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1042 | return -EFAULT; |
| 1043 | } |
| 1044 | registered_client = smscore_find_client(coredev, data_type, id); |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 1045 | if (registered_client == client) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1046 | return 0; |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 1047 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1048 | if (registered_client) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1049 | PERROR("The msg ID already registered to another client."); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1050 | return -EEXIST; |
| 1051 | } |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1052 | listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1053 | if (!listentry) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1054 | PERROR("Can't allocate memory for client id."); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1055 | return -ENOMEM; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1056 | } |
| 1057 | listentry->id = id; |
| 1058 | listentry->data_type = data_type; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1059 | list_add_locked(&listentry->entry, &client->idlist, |
| 1060 | &coredev->clientslock); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1061 | return 0; |
| 1062 | } |
| 1063 | |
| 1064 | /** |
| 1065 | * creates smsclient object, check that id is taken by another client |
| 1066 | * |
| 1067 | * @param coredev pointer to a coredev object from clients hotplug |
| 1068 | * @param initial_id all messages with this id would be sent to this client |
| 1069 | * @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] | 1070 | * @param onresponse_handler client handler that is called to |
| 1071 | * process incoming messages |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1072 | * @param onremove_handler client handler that is called when device is removed |
| 1073 | * @param context client-specific context |
| 1074 | * @param client pointer to a value that receives created smsclient object |
| 1075 | * |
| 1076 | * @return 0 on success, <0 on error. |
| 1077 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1078 | int smscore_register_client(struct smscore_device_t *coredev, |
| 1079 | struct smsclient_params_t *params, |
| 1080 | struct smscore_client_t **client) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1081 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1082 | struct smscore_client_t *newclient; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1083 | /* check that no other channel with same parameters exists */ |
| 1084 | if (smscore_find_client(coredev, params->data_type, |
| 1085 | params->initial_id)) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1086 | PERROR("Client already exist."); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1087 | return -EEXIST; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1088 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1089 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1090 | newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1091 | if (!newclient) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1092 | PERROR("Failed to allocate memory for client."); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1093 | return -ENOMEM; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1094 | } |
| 1095 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1096 | INIT_LIST_HEAD(&newclient->idlist); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1097 | newclient->coredev = coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1098 | newclient->onresponse_handler = params->onresponse_handler; |
| 1099 | newclient->onremove_handler = params->onremove_handler; |
| 1100 | newclient->context = params->context; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1101 | list_add_locked(&newclient->entry, &coredev->clients, |
| 1102 | &coredev->clientslock); |
| 1103 | smscore_validate_client(coredev, newclient, params->data_type, |
| 1104 | params->initial_id); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1105 | *client = newclient; |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1106 | PDEBUG("%p %d %d", params->context, params->data_type, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1107 | params->initial_id); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1108 | |
| 1109 | return 0; |
| 1110 | } |
| 1111 | |
| 1112 | /** |
| 1113 | * frees smsclient object and all subclients associated with it |
| 1114 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 1115 | * @param client pointer to smsclient object returned by |
| 1116 | * smscore_register_client |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1117 | * |
| 1118 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1119 | void smscore_unregister_client(struct smscore_client_t *client) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1120 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1121 | struct smscore_device_t *coredev = client->coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1122 | unsigned long flags; |
| 1123 | |
| 1124 | spin_lock_irqsave(&coredev->clientslock, flags); |
| 1125 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1126 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1127 | while (!list_empty(&client->idlist)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1128 | struct smscore_idlist_t *identry = |
| 1129 | (struct smscore_idlist_t *) client->idlist.next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1130 | list_del(&identry->entry); |
| 1131 | kfree(identry); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1132 | } |
| 1133 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1134 | sms_info("%p", client->context); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1135 | |
| 1136 | list_del(&client->entry); |
| 1137 | kfree(client); |
| 1138 | |
| 1139 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
| 1140 | } |
| 1141 | |
| 1142 | /** |
| 1143 | * verifies that source id is not taken by another client, |
| 1144 | * calls device handler to send requests to the device |
| 1145 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 1146 | * @param client pointer to smsclient object returned by |
| 1147 | * smscore_register_client |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1148 | * @param buffer pointer to a request buffer |
| 1149 | * @param size size (in bytes) of request buffer |
| 1150 | * |
| 1151 | * @return 0 on success, <0 on error. |
| 1152 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1153 | int smsclient_sendrequest(struct smscore_client_t *client, |
| 1154 | void *buffer, size_t size) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1155 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1156 | struct smscore_device_t *coredev; |
| 1157 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1158 | int rc; |
| 1159 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1160 | if (client == NULL) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1161 | sms_err("Got NULL client"); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1162 | return -EINVAL; |
| 1163 | } |
| 1164 | |
| 1165 | coredev = client->coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1166 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1167 | /* check that no other channel with same id exists */ |
| 1168 | if (coredev == NULL) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1169 | sms_err("Got NULL coredev"); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1170 | return -EINVAL; |
| 1171 | } |
| 1172 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1173 | rc = smscore_validate_client(client->coredev, client, 0, |
| 1174 | phdr->msgSrcId); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1175 | if (rc < 0) |
| 1176 | return rc; |
| 1177 | |
| 1178 | return coredev->sendrequest_handler(coredev->context, buffer, size); |
| 1179 | } |
| 1180 | |
| 1181 | /** |
| 1182 | * return the size of large (common) buffer |
| 1183 | * |
| 1184 | * @param coredev pointer to a coredev object from clients hotplug |
| 1185 | * |
| 1186 | * @return size (in bytes) of the buffer |
| 1187 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1188 | int smscore_get_common_buffer_size(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1189 | { |
| 1190 | return coredev->common_buffer_size; |
| 1191 | } |
| 1192 | |
| 1193 | /** |
| 1194 | * maps common buffer (if supported by platform) |
| 1195 | * |
| 1196 | * @param coredev pointer to a coredev object from clients hotplug |
| 1197 | * @param vma pointer to vma struct from mmap handler |
| 1198 | * |
| 1199 | * @return 0 on success, <0 on error. |
| 1200 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1201 | int smscore_map_common_buffer(struct smscore_device_t *coredev, |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 1202 | struct vm_area_struct *vma) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1203 | { |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1204 | unsigned long end = vma->vm_end, |
| 1205 | start = vma->vm_start, |
| 1206 | size = PAGE_ALIGN(coredev->common_buffer_size); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1207 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1208 | if (!(vma->vm_flags & (VM_READ | VM_SHARED)) || |
| 1209 | (vma->vm_flags & VM_WRITE)) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1210 | sms_info("invalid vm flags"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1211 | return -EINVAL; |
| 1212 | } |
| 1213 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1214 | if ((end - start) != size) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1215 | sms_info("invalid size %d expected %d", |
| 1216 | (int)(end - start), (int) size); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1217 | return -EINVAL; |
| 1218 | } |
| 1219 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1220 | if (remap_pfn_range(vma, start, |
| 1221 | coredev->common_buffer_phys >> PAGE_SHIFT, |
Michael Krufky | df0462e | 2008-06-15 19:39:55 -0300 | [diff] [blame] | 1222 | size, pgprot_noncached(vma->vm_page_prot))) { |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1223 | sms_info("remap_page_range failed"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1224 | return -EAGAIN; |
| 1225 | } |
| 1226 | |
| 1227 | return 0; |
| 1228 | } |
| 1229 | |
| 1230 | int smscore_module_init(void) |
| 1231 | { |
Steven Toth | c646579 | 2008-05-19 19:09:21 -0300 | [diff] [blame] | 1232 | int rc = 0; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1233 | |
| 1234 | INIT_LIST_HEAD(&g_smscore_notifyees); |
| 1235 | INIT_LIST_HEAD(&g_smscore_devices); |
| 1236 | kmutex_init(&g_smscore_deviceslock); |
| 1237 | |
| 1238 | INIT_LIST_HEAD(&g_smscore_registry); |
| 1239 | kmutex_init(&g_smscore_registrylock); |
| 1240 | |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1241 | /* USB Register */ |
| 1242 | rc = smsusb_register(); |
| 1243 | |
| 1244 | /* DVB Register */ |
| 1245 | rc = smsdvb_register(); |
| 1246 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1247 | sms_debug("rc %d", rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1248 | |
| 1249 | return rc; |
| 1250 | } |
| 1251 | |
| 1252 | void smscore_module_exit(void) |
| 1253 | { |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1254 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1255 | kmutex_lock(&g_smscore_deviceslock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1256 | while (!list_empty(&g_smscore_notifyees)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1257 | struct smscore_device_notifyee_t *notifyee = |
| 1258 | (struct smscore_device_notifyee_t *) |
| 1259 | g_smscore_notifyees.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1260 | |
| 1261 | list_del(¬ifyee->entry); |
| 1262 | kfree(notifyee); |
| 1263 | } |
| 1264 | kmutex_unlock(&g_smscore_deviceslock); |
| 1265 | |
| 1266 | kmutex_lock(&g_smscore_registrylock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1267 | while (!list_empty(&g_smscore_registry)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1268 | struct smscore_registry_entry_t *entry = |
| 1269 | (struct smscore_registry_entry_t *) |
| 1270 | g_smscore_registry.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1271 | |
| 1272 | list_del(&entry->entry); |
| 1273 | kfree(entry); |
| 1274 | } |
| 1275 | kmutex_unlock(&g_smscore_registrylock); |
| 1276 | |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1277 | /* DVB UnRegister */ |
| 1278 | smsdvb_unregister(); |
| 1279 | |
| 1280 | /* Unregister USB */ |
| 1281 | smsusb_unregister(); |
| 1282 | |
Michael Krufky | a0c0abc | 2008-06-19 20:35:21 -0300 | [diff] [blame^] | 1283 | sms_debug(""); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1284 | } |
| 1285 | |
| 1286 | module_init(smscore_module_init); |
| 1287 | module_exit(smscore_module_exit); |
| 1288 | |
| 1289 | MODULE_DESCRIPTION("smscore"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1290 | MODULE_AUTHOR("Siano Mobile Silicon,,, (doronc@siano-ms.com)"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1291 | MODULE_LICENSE("GPL"); |