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 | 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 | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 104 | }; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 105 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 106 | struct smscore_registry_entry_t { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 107 | struct list_head entry; |
| 108 | char devpath[32]; |
| 109 | int mode; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 110 | enum sms_device_type_st type; |
| 111 | }; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 112 | |
| 113 | struct list_head g_smscore_notifyees; |
| 114 | struct list_head g_smscore_devices; |
| 115 | kmutex_t g_smscore_deviceslock; |
| 116 | |
| 117 | struct list_head g_smscore_registry; |
| 118 | kmutex_t g_smscore_registrylock; |
| 119 | |
| 120 | static int default_mode = 1; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 121 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 122 | module_param(default_mode, int, 0644); |
| 123 | MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); |
| 124 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 125 | static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 126 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 127 | struct smscore_registry_entry_t *entry; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 128 | struct list_head *next; |
| 129 | |
| 130 | kmutex_lock(&g_smscore_registrylock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 131 | for (next = g_smscore_registry.next; |
| 132 | next != &g_smscore_registry; |
| 133 | next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 134 | entry = (struct smscore_registry_entry_t *) next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 135 | if (!strcmp(entry->devpath, devpath)) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 136 | kmutex_unlock(&g_smscore_registrylock); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 137 | return entry; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 138 | } |
| 139 | } |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 140 | entry = (struct smscore_registry_entry_t *) |
| 141 | kmalloc(sizeof(struct smscore_registry_entry_t), |
| 142 | GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 143 | if (entry) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 144 | entry->mode = default_mode; |
| 145 | strcpy(entry->devpath, devpath); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 146 | list_add(&entry->entry, &g_smscore_registry); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 147 | } else |
| 148 | printk(KERN_ERR "%s failed to create smscore_registry.\n", |
| 149 | __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 150 | kmutex_unlock(&g_smscore_registrylock); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 151 | return entry; |
| 152 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 153 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 154 | int smscore_registry_getmode(char *devpath) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 155 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 156 | struct smscore_registry_entry_t *entry; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 157 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 158 | entry = smscore_find_registry(devpath); |
| 159 | if (entry) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 160 | return entry->mode; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 161 | else |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 162 | printk(KERN_ERR "%s No registry found.\n", __func__); |
| 163 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 164 | return default_mode; |
| 165 | } |
| 166 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 167 | enum sms_device_type_st smscore_registry_gettype(char *devpath) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 168 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 169 | struct smscore_registry_entry_t *entry; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 170 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 171 | entry = smscore_find_registry(devpath); |
| 172 | if (entry) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 173 | return entry->type; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 174 | else |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 175 | printk(KERN_ERR "%s No registry found.\n", __func__); |
| 176 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 177 | return -1; |
| 178 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 179 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 180 | void smscore_registry_setmode(char *devpath, int mode) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 181 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 182 | struct smscore_registry_entry_t *entry; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 183 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 184 | entry = smscore_find_registry(devpath); |
| 185 | if (entry) |
| 186 | entry->mode = mode; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 187 | else |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 188 | printk(KERN_ERR "%s No registry found.\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 189 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 190 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 191 | void smscore_registry_settype(char *devpath, enum sms_device_type_st type) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 192 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 193 | struct smscore_registry_entry_t *entry; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 194 | |
| 195 | entry = smscore_find_registry(devpath); |
| 196 | if (entry) |
| 197 | entry->type = type; |
| 198 | else |
| 199 | printk(KERN_ERR "%s No registry found.\n", __func__); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 200 | } |
| 201 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 202 | |
| 203 | |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 204 | void list_add_locked(struct list_head *new, struct list_head *head, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 205 | spinlock_t *lock) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 206 | { |
| 207 | unsigned long flags; |
| 208 | |
| 209 | spin_lock_irqsave(lock, flags); |
| 210 | |
| 211 | list_add(new, head); |
| 212 | |
| 213 | spin_unlock_irqrestore(lock, flags); |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * register a client callback that called when device plugged in/unplugged |
| 218 | * NOTE: if devices exist callback is called immediately for each device |
| 219 | * |
| 220 | * @param hotplug callback |
| 221 | * |
| 222 | * @return 0 on success, <0 on error. |
| 223 | */ |
| 224 | int smscore_register_hotplug(hotplug_t hotplug) |
| 225 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 226 | struct smscore_device_notifyee_t *notifyee; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 227 | struct list_head *next, *first; |
| 228 | int rc = 0; |
| 229 | |
| 230 | kmutex_lock(&g_smscore_deviceslock); |
| 231 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 232 | notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), |
| 233 | GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 234 | if (notifyee) { |
| 235 | /* now notify callback about existing devices */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 236 | first = &g_smscore_devices; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 237 | for (next = first->next; |
| 238 | next != first && !rc; |
| 239 | next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 240 | struct smscore_device_t *coredev = |
| 241 | (struct smscore_device_t *) next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 242 | rc = hotplug(coredev, coredev->device, 1); |
| 243 | } |
| 244 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 245 | if (rc >= 0) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 246 | notifyee->hotplug = hotplug; |
| 247 | list_add(¬ifyee->entry, &g_smscore_notifyees); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 248 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 249 | kfree(notifyee); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 250 | } else |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 251 | rc = -ENOMEM; |
| 252 | |
| 253 | kmutex_unlock(&g_smscore_deviceslock); |
| 254 | |
| 255 | return rc; |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * unregister a client callback that called when device plugged in/unplugged |
| 260 | * |
| 261 | * @param hotplug callback |
| 262 | * |
| 263 | */ |
| 264 | void smscore_unregister_hotplug(hotplug_t hotplug) |
| 265 | { |
| 266 | struct list_head *next, *first; |
| 267 | |
| 268 | kmutex_lock(&g_smscore_deviceslock); |
| 269 | |
| 270 | first = &g_smscore_notifyees; |
| 271 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 272 | for (next = first->next; next != first;) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 273 | struct smscore_device_notifyee_t *notifyee = |
| 274 | (struct smscore_device_notifyee_t *) next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 275 | next = next->next; |
| 276 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 277 | if (notifyee->hotplug == hotplug) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 278 | list_del(¬ifyee->entry); |
| 279 | kfree(notifyee); |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | kmutex_unlock(&g_smscore_deviceslock); |
| 284 | } |
| 285 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 286 | void smscore_notify_clients(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 287 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 288 | struct smscore_client_t *client; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 289 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 290 | /* the client must call smscore_unregister_client from remove handler */ |
| 291 | while (!list_empty(&coredev->clients)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 292 | client = (struct smscore_client_t *) coredev->clients.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 293 | client->onremove_handler(client->context); |
| 294 | } |
| 295 | } |
| 296 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 297 | int smscore_notify_callbacks(struct smscore_device_t *coredev, |
| 298 | struct device *device, int arrival) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 299 | { |
| 300 | struct list_head *next, *first; |
| 301 | int rc = 0; |
| 302 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 303 | /* note: must be called under g_deviceslock */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 304 | |
| 305 | first = &g_smscore_notifyees; |
| 306 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 307 | for (next = first->next; next != first; next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 308 | rc = ((struct smscore_device_notifyee_t *) next)-> |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 309 | hotplug(coredev, device, arrival); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 310 | if (rc < 0) |
| 311 | break; |
| 312 | } |
| 313 | |
| 314 | return rc; |
| 315 | } |
| 316 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 317 | struct smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 318 | dma_addr_t common_buffer_phys) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 319 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 320 | struct smscore_buffer_t *cb = |
| 321 | kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 322 | if (!cb) { |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 323 | printk(KERN_INFO "%s kmalloc(...) failed\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 324 | return NULL; |
| 325 | } |
| 326 | |
| 327 | cb->p = buffer; |
Michael Krufky | 494d24c | 2008-06-14 07:40:41 -0300 | [diff] [blame] | 328 | cb->offset_in_common = buffer - (u8 *) common_buffer; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 329 | cb->phys = common_buffer_phys + cb->offset_in_common; |
| 330 | |
| 331 | return cb; |
| 332 | } |
| 333 | |
| 334 | /** |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 335 | * creates coredev object for a device, prepares buffers, |
| 336 | * creates buffer mappings, notifies registered hotplugs about new device. |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 337 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 338 | * @param params device pointer to struct with device specific parameters |
| 339 | * and handlers |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 340 | * @param coredev pointer to a value that receives created coredev object |
| 341 | * |
| 342 | * @return 0 on success, <0 on error. |
| 343 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 344 | int smscore_register_device(struct smsdevice_params_t *params, |
| 345 | struct smscore_device_t **coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 346 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 347 | struct smscore_device_t *dev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 348 | u8 *buffer; |
| 349 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 350 | dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 351 | if (!dev) { |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 352 | printk(KERN_INFO "%s kzalloc(...) failed\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 353 | return -ENOMEM; |
| 354 | } |
| 355 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 356 | /* init list entry so it could be safe in smscore_unregister_device */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 357 | INIT_LIST_HEAD(&dev->entry); |
| 358 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 359 | /* init queues */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 360 | INIT_LIST_HEAD(&dev->clients); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 361 | INIT_LIST_HEAD(&dev->buffers); |
| 362 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 363 | /* init locks */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 364 | spin_lock_init(&dev->clientslock); |
| 365 | spin_lock_init(&dev->bufferslock); |
| 366 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 367 | /* init completion events */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 368 | init_completion(&dev->version_ex_done); |
| 369 | init_completion(&dev->data_download_done); |
| 370 | init_completion(&dev->trigger_done); |
| 371 | init_completion(&dev->init_device_done); |
| 372 | init_completion(&dev->reload_start_done); |
| 373 | init_completion(&dev->resume_done); |
| 374 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 375 | /* alloc common buffer */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 376 | dev->common_buffer_size = params->buffer_size * params->num_buffers; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 377 | dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, |
| 378 | &dev->common_buffer_phys, |
| 379 | GFP_KERNEL | GFP_DMA); |
| 380 | if (!dev->common_buffer) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 381 | smscore_unregister_device(dev); |
| 382 | return -ENOMEM; |
| 383 | } |
| 384 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 385 | /* prepare dma buffers */ |
| 386 | for (buffer = dev->common_buffer; |
| 387 | dev->num_buffers < params->num_buffers; |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 388 | dev->num_buffers++, buffer += params->buffer_size) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 389 | struct smscore_buffer_t *cb = |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 390 | smscore_createbuffer(buffer, dev->common_buffer, |
| 391 | dev->common_buffer_phys); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 392 | if (!cb) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 393 | smscore_unregister_device(dev); |
| 394 | return -ENOMEM; |
| 395 | } |
| 396 | |
| 397 | smscore_putbuffer(dev, cb); |
| 398 | } |
| 399 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 400 | printk(KERN_INFO "%s allocated %d buffers\n", |
| 401 | __func__, dev->num_buffers); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 402 | |
| 403 | dev->mode = DEVICE_MODE_NONE; |
| 404 | dev->context = params->context; |
| 405 | dev->device = params->device; |
| 406 | dev->setmode_handler = params->setmode_handler; |
| 407 | dev->detectmode_handler = params->detectmode_handler; |
| 408 | dev->sendrequest_handler = params->sendrequest_handler; |
| 409 | dev->preload_handler = params->preload_handler; |
| 410 | dev->postload_handler = params->postload_handler; |
| 411 | |
| 412 | dev->device_flags = params->flags; |
| 413 | strcpy(dev->devpath, params->devpath); |
| 414 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 415 | smscore_registry_settype(dev->devpath, params->device_type); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 416 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 417 | /* add device to devices list */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 418 | kmutex_lock(&g_smscore_deviceslock); |
| 419 | list_add(&dev->entry, &g_smscore_devices); |
| 420 | kmutex_unlock(&g_smscore_deviceslock); |
| 421 | |
| 422 | *coredev = dev; |
| 423 | |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 424 | printk(KERN_INFO "%s device %p created\n", __func__, dev); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 425 | |
| 426 | return 0; |
| 427 | } |
| 428 | |
| 429 | /** |
| 430 | * sets initial device mode and notifies client hotplugs that device is ready |
| 431 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 432 | * @param coredev pointer to a coredev object returned by |
| 433 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 434 | * |
| 435 | * @return 0 on success, <0 on error. |
| 436 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 437 | int smscore_start_device(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 438 | { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 439 | int rc = smscore_set_device_mode( |
| 440 | coredev, smscore_registry_getmode(coredev->devpath)); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 441 | if (rc < 0) { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 442 | printk(KERN_INFO "%s set device mode faile , rc %d\n", |
| 443 | __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 444 | return rc; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 445 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 446 | |
| 447 | kmutex_lock(&g_smscore_deviceslock); |
| 448 | |
| 449 | rc = smscore_notify_callbacks(coredev, coredev->device, 1); |
| 450 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 451 | printk(KERN_INFO "%s device %p started, rc %d\n", |
| 452 | __func__, coredev, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 453 | |
| 454 | kmutex_unlock(&g_smscore_deviceslock); |
| 455 | |
| 456 | return rc; |
| 457 | } |
| 458 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 459 | int smscore_sendrequest_and_wait(struct smscore_device_t *coredev, void *buffer, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 460 | size_t size, struct completion *completion) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 461 | { |
| 462 | int rc = coredev->sendrequest_handler(coredev->context, buffer, size); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 463 | if (rc < 0) { |
| 464 | printk(KERN_INFO "%s sendrequest returned error %d\n", |
| 465 | __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 466 | return rc; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 467 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 468 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 469 | return wait_for_completion_timeout(completion, |
| 470 | msecs_to_jiffies(10000)) ? |
| 471 | 0 : -ETIME; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 472 | } |
| 473 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 474 | int smscore_load_firmware_family2(struct smscore_device_t *coredev, |
| 475 | void *buffer, size_t size) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 476 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 477 | struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer; |
| 478 | struct SmsMsgHdr_ST *msg; |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 479 | u32 mem_address = firmware->StartAddress; |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 480 | u8 *payload = firmware->Payload; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 481 | int rc = 0; |
| 482 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 483 | printk(KERN_INFO "%s loading FW to addr 0x%x size %d\n", |
| 484 | __func__, mem_address, firmware->Length); |
| 485 | if (coredev->preload_handler) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 486 | rc = coredev->preload_handler(coredev->context); |
| 487 | if (rc < 0) |
| 488 | return rc; |
| 489 | } |
| 490 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 491 | /* PAGE_SIZE buffer shall be enough and dma aligned */ |
Michael Krufky | e080842 | 2008-06-15 19:11:37 -0300 | [diff] [blame^] | 492 | msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 493 | if (!msg) |
| 494 | return -ENOMEM; |
| 495 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 496 | if (coredev->mode != DEVICE_MODE_NONE) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 497 | PDEBUG("Sending reload command\n"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 498 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 499 | sizeof(struct SmsMsgHdr_ST)); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 500 | rc = smscore_sendrequest_and_wait(coredev, msg, |
| 501 | msg->msgLength, |
| 502 | &coredev->reload_start_done); |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 503 | mem_address = *(u32 *) &payload[20]; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 504 | } |
| 505 | |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 506 | while (size && rc >= 0) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 507 | struct SmsDataDownload_ST *DataMsg = |
| 508 | (struct SmsDataDownload_ST *) msg; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 509 | int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); |
| 510 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 511 | SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 512 | (u16)(sizeof(struct SmsMsgHdr_ST) + |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 513 | sizeof(u32) + payload_size)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 514 | |
| 515 | DataMsg->MemAddr = mem_address; |
| 516 | memcpy(DataMsg->Payload, payload, payload_size); |
| 517 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 518 | if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && |
| 519 | (coredev->mode == DEVICE_MODE_NONE)) |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 520 | rc = coredev->sendrequest_handler( |
| 521 | coredev->context, DataMsg, |
| 522 | DataMsg->xMsgHeader.msgLength); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 523 | else |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 524 | rc = smscore_sendrequest_and_wait( |
| 525 | coredev, DataMsg, |
| 526 | DataMsg->xMsgHeader.msgLength, |
| 527 | &coredev->data_download_done); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 528 | |
| 529 | payload += payload_size; |
| 530 | size -= payload_size; |
| 531 | mem_address += payload_size; |
| 532 | } |
| 533 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 534 | if (rc >= 0) { |
| 535 | if (coredev->mode == DEVICE_MODE_NONE) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 536 | struct SmsMsgData_ST *TriggerMsg = |
| 537 | (struct SmsMsgData_ST *) msg; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 538 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 539 | SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 540 | sizeof(struct SmsMsgHdr_ST) + |
Michael Krufky | f0333e3 | 2008-06-15 15:32:00 -0300 | [diff] [blame] | 541 | sizeof(u32) * 5); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 542 | |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 543 | TriggerMsg->msgData[0] = firmware->StartAddress; |
| 544 | /* Entry point */ |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 545 | TriggerMsg->msgData[1] = 5; /* Priority */ |
| 546 | TriggerMsg->msgData[2] = 0x200; /* Stack size */ |
| 547 | TriggerMsg->msgData[3] = 0; /* Parameter */ |
| 548 | TriggerMsg->msgData[4] = 4; /* Task ID */ |
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 | if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 551 | rc = coredev->sendrequest_handler( |
| 552 | coredev->context, TriggerMsg, |
| 553 | TriggerMsg->xMsgHeader.msgLength); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 554 | msleep(100); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 555 | } else |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 556 | rc = smscore_sendrequest_and_wait( |
| 557 | coredev, TriggerMsg, |
| 558 | TriggerMsg->xMsgHeader.msgLength, |
| 559 | &coredev->trigger_done); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 560 | } else { |
| 561 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 562 | sizeof(struct SmsMsgHdr_ST)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 563 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 564 | rc = coredev->sendrequest_handler(coredev->context, |
| 565 | msg, msg->msgLength); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 566 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 567 | msleep(500); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 568 | } |
| 569 | |
Michael Krufky | 9f21139 | 2008-06-15 17:26:42 -0300 | [diff] [blame] | 570 | printk(KERN_DEBUG "%s rc=%d, postload=%p \n", __func__, rc, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 571 | coredev->postload_handler); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 572 | |
| 573 | kfree(msg); |
| 574 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 575 | return ((rc >= 0) && coredev->postload_handler) ? |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 576 | coredev->postload_handler(coredev->context) : |
| 577 | rc; |
| 578 | } |
| 579 | |
| 580 | /** |
| 581 | * loads specified firmware into a buffer and calls device loadfirmware_handler |
| 582 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 583 | * @param coredev pointer to a coredev object returned by |
| 584 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 585 | * @param filename null-terminated string specifies firmware file name |
| 586 | * @param loadfirmware_handler device handler that loads firmware |
| 587 | * |
| 588 | * @return 0 on success, <0 on error. |
| 589 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 590 | int smscore_load_firmware_from_file(struct smscore_device_t *coredev, |
| 591 | char *filename, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 592 | loadfirmware_t loadfirmware_handler) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 593 | { |
| 594 | int rc = -ENOENT; |
| 595 | |
| 596 | const struct firmware *fw; |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 597 | u8 *fw_buffer; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 598 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 599 | if (loadfirmware_handler == NULL && !(coredev->device_flags & |
| 600 | SMS_DEVICE_FAMILY2)) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 601 | return -EINVAL; |
| 602 | |
| 603 | rc = request_firmware(&fw, filename, coredev->device); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 604 | if (rc < 0) { |
| 605 | printk(KERN_INFO "%s failed to open \"%s\"\n", |
| 606 | __func__, filename); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 607 | return rc; |
| 608 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 609 | printk(KERN_INFO "%s read FW %s, size=%d\"\n", __func__, |
| 610 | filename, fw->size); |
| 611 | fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), |
| 612 | GFP_KERNEL | GFP_DMA); |
| 613 | if (fw_buffer) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 614 | memcpy(fw_buffer, fw->data, fw->size); |
| 615 | |
| 616 | rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 617 | smscore_load_firmware_family2(coredev, |
| 618 | fw_buffer, |
| 619 | fw->size) : |
| 620 | loadfirmware_handler(coredev->context, |
| 621 | fw_buffer, fw->size); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 622 | |
| 623 | kfree(fw_buffer); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 624 | } else { |
| 625 | printk(KERN_INFO "%s failed to allocate firmware buffer\n", |
| 626 | __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 627 | rc = -ENOMEM; |
| 628 | } |
| 629 | |
| 630 | release_firmware(fw); |
| 631 | |
| 632 | return rc; |
| 633 | } |
| 634 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 635 | int smscore_load_firmware_from_buffer(struct smscore_device_t *coredev, |
| 636 | u8 *buffer, int size, int new_mode) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 637 | { |
| 638 | PERROR("Feature not implemented yet\n"); |
| 639 | return -EFAULT; |
| 640 | } |
| 641 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 642 | /** |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 643 | * notifies all clients registered with the device, notifies hotplugs, |
| 644 | * frees all buffers and coredev object |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 645 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 646 | * @param coredev pointer to a coredev object returned by |
| 647 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 648 | * |
| 649 | * @return 0 on success, <0 on error. |
| 650 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 651 | void smscore_unregister_device(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 652 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 653 | struct smscore_buffer_t *cb; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 654 | int num_buffers = 0; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 655 | int retry = 0; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 656 | |
| 657 | kmutex_lock(&g_smscore_deviceslock); |
| 658 | |
| 659 | smscore_notify_clients(coredev); |
| 660 | smscore_notify_callbacks(coredev, NULL, 0); |
| 661 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 662 | /* at this point all buffers should be back |
| 663 | * onresponse must no longer be called */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 664 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 665 | while (1) { |
| 666 | while ((cb = smscore_getbuffer(coredev))) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 667 | kfree(cb); |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 668 | num_buffers++; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 669 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 670 | if (num_buffers == coredev->num_buffers) |
| 671 | break; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 672 | if (++retry > 10) { |
| 673 | printk(KERN_INFO "%s exiting although " |
| 674 | "not all buffers released.\n", __func__); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 675 | break; |
| 676 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 677 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 678 | printk(KERN_INFO "%s waiting for %d buffer(s)\n", __func__, |
| 679 | coredev->num_buffers - num_buffers); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 680 | msleep(100); |
| 681 | } |
| 682 | |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 683 | printk(KERN_INFO "%s freed %d buffers\n", __func__, num_buffers); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 684 | |
| 685 | if (coredev->common_buffer) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 686 | dma_free_coherent(NULL, coredev->common_buffer_size, |
| 687 | coredev->common_buffer, |
| 688 | coredev->common_buffer_phys); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 689 | |
| 690 | list_del(&coredev->entry); |
| 691 | kfree(coredev); |
| 692 | |
| 693 | kmutex_unlock(&g_smscore_deviceslock); |
| 694 | |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 695 | printk(KERN_INFO "%s device %p destroyed\n", __func__, coredev); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 696 | } |
| 697 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 698 | int smscore_detect_mode(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 699 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 700 | void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 701 | GFP_KERNEL | GFP_DMA); |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 702 | struct SmsMsgHdr_ST *msg = |
| 703 | (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 704 | int rc; |
| 705 | |
| 706 | if (!buffer) |
| 707 | return -ENOMEM; |
| 708 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 709 | SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, |
| 710 | sizeof(struct SmsMsgHdr_ST)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 711 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 712 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, |
| 713 | &coredev->version_ex_done); |
| 714 | if (rc == -ETIME) { |
Michael Krufky | 9f21139 | 2008-06-15 17:26:42 -0300 | [diff] [blame] | 715 | printk(KERN_ERR "%s: MSG_SMS_GET_VERSION_EX_REQ " |
| 716 | "failed first try\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 717 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 718 | if (wait_for_completion_timeout(&coredev->resume_done, |
| 719 | msecs_to_jiffies(5000))) { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 720 | rc = smscore_sendrequest_and_wait( |
| 721 | coredev, msg, msg->msgLength, |
| 722 | &coredev->version_ex_done); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 723 | if (rc < 0) |
Michael Krufky | 9f21139 | 2008-06-15 17:26:42 -0300 | [diff] [blame] | 724 | printk(KERN_ERR "%s: " |
| 725 | "MSG_SMS_GET_VERSION_EX_REQ failed " |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 726 | "second try, rc %d\n", __func__, 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 | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 737 | /*Stellar NOVA A0 Nova B0 VEGA*/ |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 738 | /*DVBT*/ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 739 | /*DVBH*/ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 740 | /*TDMB*/ {"none", "tdmb_nova_12mhz.inp", "none", "none"}, |
| 741 | /*DABIP*/ {"none", "none", "none", "none"}, |
| 742 | /*BDA*/ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, |
| 743 | /*ISDBT*/ {"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"}, |
| 744 | /*ISDBTBDA*/{"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, |
| 745 | /*CMMB*/ {"none", "none", "none", "cmmb_vega_12mhz.inp"} |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 746 | }; |
| 747 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 748 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 749 | /** |
| 750 | * calls device handler to change mode of operation |
| 751 | * NOTE: stellar/usb may disconnect when changing mode |
| 752 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 753 | * @param coredev pointer to a coredev object returned by |
| 754 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 755 | * @param mode requested mode of operation |
| 756 | * |
| 757 | * @return 0 on success, <0 on error. |
| 758 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 759 | int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 760 | { |
| 761 | void *buffer; |
| 762 | int rc = 0; |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 763 | enum sms_device_type_st type; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 764 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 765 | PDEBUG("set device mode to %d\n", mode); |
| 766 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { |
| 767 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) { |
| 768 | printk(KERN_INFO "%s invalid mode specified %d\n", |
| 769 | __func__, mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 770 | return -EINVAL; |
| 771 | } |
| 772 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 773 | smscore_registry_setmode(coredev->devpath, mode); |
| 774 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 775 | if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 776 | rc = smscore_detect_mode(coredev); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 777 | if (rc < 0) { |
| 778 | printk(KERN_INFO "%s mode detect failed %d\n", |
| 779 | __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 780 | return rc; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 781 | } |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 782 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 783 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 784 | if (coredev->mode == mode) { |
| 785 | printk(KERN_INFO "%s device mode %d already set\n", |
| 786 | __func__, mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 787 | return 0; |
| 788 | } |
| 789 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 790 | if (!(coredev->modes_supported & (1 << mode))) { |
| 791 | type = smscore_registry_gettype(coredev->devpath); |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 792 | rc = smscore_load_firmware_from_file( |
| 793 | coredev, smscore_fw_lkup[mode][type], NULL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 794 | if (rc < 0) { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 795 | printk(KERN_INFO "%s load firmware " |
| 796 | "failed %d\n", __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 797 | return rc; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 798 | } |
| 799 | } else |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 800 | printk(KERN_INFO "%s mode %d supported by running " |
| 801 | "firmware\n", __func__, mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 802 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 803 | buffer = kmalloc(sizeof(struct SmsMsgData_ST) + |
| 804 | SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 805 | if (buffer) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 806 | struct SmsMsgData_ST *msg = |
| 807 | (struct SmsMsgData_ST *) |
| 808 | SMS_ALIGN_ADDRESS(buffer); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 809 | |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 810 | SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 811 | sizeof(struct SmsMsgData_ST)); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 812 | msg->msgData[0] = mode; |
| 813 | |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 814 | rc = smscore_sendrequest_and_wait( |
| 815 | coredev, msg, msg->xMsgHeader.msgLength, |
| 816 | &coredev->init_device_done); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 817 | |
| 818 | kfree(buffer); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 819 | } else { |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 820 | printk(KERN_INFO "%s Could not allocate buffer for " |
| 821 | "init device message.\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 822 | rc = -ENOMEM; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 823 | } |
| 824 | } else { |
| 825 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { |
| 826 | printk(KERN_INFO "%s invalid mode specified %d\n", |
| 827 | __func__, mode); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 828 | return -EINVAL; |
| 829 | } |
| 830 | |
| 831 | smscore_registry_setmode(coredev->devpath, mode); |
| 832 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 833 | if (coredev->detectmode_handler) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 834 | coredev->detectmode_handler(coredev->context, |
| 835 | &coredev->mode); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 836 | |
| 837 | if (coredev->mode != mode && coredev->setmode_handler) |
| 838 | rc = coredev->setmode_handler(coredev->context, mode); |
| 839 | } |
| 840 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 841 | if (rc >= 0) { |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 842 | coredev->mode = mode; |
| 843 | coredev->device_flags &= ~SMS_DEVICE_NOT_READY; |
| 844 | } |
| 845 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 846 | if (rc != 0) |
| 847 | printk(KERN_INFO "%s return error code %d.\n", __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 848 | return rc; |
| 849 | } |
| 850 | |
| 851 | /** |
| 852 | * calls device handler to get current mode of operation |
| 853 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 854 | * @param coredev pointer to a coredev object returned by |
| 855 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 856 | * |
| 857 | * @return current mode |
| 858 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 859 | int smscore_get_device_mode(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 860 | { |
| 861 | return coredev->mode; |
| 862 | } |
| 863 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 864 | /** |
| 865 | * find client by response id & type within the clients list. |
| 866 | * return client handle or NULL. |
| 867 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 868 | * @param coredev pointer to a coredev object returned by |
| 869 | * smscore_register_device |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 870 | * @param data_type client data type (SMS_DONT_CARE for all types) |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 871 | * @param id client id (SMS_DONT_CARE for all id) |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 872 | * |
| 873 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 874 | struct smscore_client_t *smscore_find_client(struct smscore_device_t *coredev, |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 875 | int data_type, int id) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 876 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 877 | struct smscore_client_t *client = NULL; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 878 | struct list_head *next, *first; |
| 879 | unsigned long flags; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 880 | struct list_head *firstid, *nextid; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 881 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 882 | |
| 883 | spin_lock_irqsave(&coredev->clientslock, flags); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 884 | first = &coredev->clients; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 885 | for (next = first->next; |
| 886 | (next != first) && !client; |
| 887 | next = next->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 888 | firstid = &((struct smscore_client_t *)next)->idlist; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 889 | for (nextid = firstid->next; |
| 890 | nextid != firstid; |
| 891 | nextid = nextid->next) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 892 | if ((((struct smscore_idlist_t *)nextid)->id == id) && |
| 893 | (((struct smscore_idlist_t *)nextid)->data_type == data_type || |
| 894 | (((struct smscore_idlist_t *)nextid)->data_type == 0))) { |
| 895 | client = (struct smscore_client_t *) next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 896 | break; |
| 897 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 898 | } |
| 899 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 900 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 901 | return client; |
| 902 | } |
| 903 | |
| 904 | /** |
| 905 | * find client by response id/type, call clients onresponse handler |
| 906 | * return buffer to pool on error |
| 907 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 908 | * @param coredev pointer to a coredev object returned by |
| 909 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 910 | * @param cb pointer to response buffer descriptor |
| 911 | * |
| 912 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 913 | void smscore_onresponse(struct smscore_device_t *coredev, |
| 914 | struct smscore_buffer_t *cb) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 915 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 916 | struct SmsMsgHdr_ST *phdr = |
| 917 | (struct SmsMsgHdr_ST *)((u8 *) cb->p + cb->offset); |
| 918 | struct smscore_client_t *client = |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 919 | smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 920 | int rc = -EBUSY; |
| 921 | |
| 922 | static unsigned long last_sample_time = 0; |
| 923 | static int data_total = 0; |
| 924 | unsigned long time_now = jiffies_to_msecs(jiffies); |
| 925 | |
| 926 | if (!last_sample_time) |
| 927 | last_sample_time = time_now; |
| 928 | |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 929 | if (time_now - last_sample_time > 10000) { |
Michael Krufky | 9f21139 | 2008-06-15 17:26:42 -0300 | [diff] [blame] | 930 | printk(KERN_DEBUG "\n%s data rate %d bytes/secs\n", __func__, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 931 | (int)((data_total * 1000) / |
| 932 | (time_now - last_sample_time))); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 933 | |
| 934 | last_sample_time = time_now; |
| 935 | data_total = 0; |
| 936 | } |
| 937 | |
| 938 | data_total += cb->size; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 939 | /* If no client registered for type & id, |
| 940 | * check for control client where type is not registered */ |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 941 | if (client) |
| 942 | rc = client->onresponse_handler(client->context, cb); |
| 943 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 944 | if (rc < 0) { |
| 945 | switch (phdr->msgType) { |
| 946 | case MSG_SMS_GET_VERSION_EX_RES: |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 947 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 948 | struct SmsVersionRes_ST *ver = |
| 949 | (struct SmsVersionRes_ST *) phdr; |
Michael Krufky | 9f21139 | 2008-06-15 17:26:42 -0300 | [diff] [blame] | 950 | printk(KERN_DEBUG "%s: MSG_SMS_GET_VERSION_EX_RES " |
| 951 | "id %d prots 0x%x ver %d.%d\n", __func__, |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 952 | ver->FirmwareId, ver->SupportedProtocols, |
| 953 | ver->RomVersionMajor, ver->RomVersionMinor); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 954 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 955 | coredev->mode = ver->FirmwareId == 255 ? |
| 956 | DEVICE_MODE_NONE : ver->FirmwareId; |
| 957 | coredev->modes_supported = ver->SupportedProtocols; |
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 | complete(&coredev->version_ex_done); |
| 960 | break; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 961 | } |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 962 | case MSG_SMS_INIT_DEVICE_RES: |
Michael Krufky | 9f21139 | 2008-06-15 17:26:42 -0300 | [diff] [blame] | 963 | printk(KERN_DEBUG "%s: MSG_SMS_INIT_DEVICE_RES\n", |
| 964 | __func__); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 965 | complete(&coredev->init_device_done); |
| 966 | break; |
| 967 | case MSG_SW_RELOAD_START_RES: |
Michael Krufky | 9f21139 | 2008-06-15 17:26:42 -0300 | [diff] [blame] | 968 | printk(KERN_DEBUG "%s: MSG_SW_RELOAD_START_RES\n", |
| 969 | __func__); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 970 | complete(&coredev->reload_start_done); |
| 971 | break; |
| 972 | case MSG_SMS_DATA_DOWNLOAD_RES: |
| 973 | complete(&coredev->data_download_done); |
| 974 | break; |
| 975 | case MSG_SW_RELOAD_EXEC_RES: |
Michael Krufky | 9f21139 | 2008-06-15 17:26:42 -0300 | [diff] [blame] | 976 | printk(KERN_DEBUG "%s: MSG_SW_RELOAD_EXEC_RES\n", |
| 977 | __func__); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 978 | break; |
| 979 | case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: |
Michael Krufky | ca78373 | 2008-06-15 17:36:00 -0300 | [diff] [blame] | 980 | printk(KERN_DEBUG |
| 981 | "%s: MSG_SMS_SWDOWNLOAD_TRIGGER_RES\n", |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 982 | __func__); |
| 983 | complete(&coredev->trigger_done); |
| 984 | break; |
| 985 | case MSG_SMS_SLEEP_RESUME_COMP_IND: |
| 986 | complete(&coredev->resume_done); |
| 987 | break; |
| 988 | default: |
| 989 | break; |
| 990 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 991 | smscore_putbuffer(coredev, cb); |
| 992 | } |
| 993 | } |
| 994 | |
| 995 | /** |
| 996 | * return pointer to next free buffer descriptor from core pool |
| 997 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 998 | * @param coredev pointer to a coredev object returned by |
| 999 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1000 | * |
| 1001 | * @return pointer to descriptor on success, NULL on error. |
| 1002 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1003 | struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1004 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1005 | struct smscore_buffer_t *cb = NULL; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1006 | unsigned long flags; |
| 1007 | |
| 1008 | spin_lock_irqsave(&coredev->bufferslock, flags); |
| 1009 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1010 | if (!list_empty(&coredev->buffers)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1011 | cb = (struct smscore_buffer_t *) coredev->buffers.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1012 | list_del(&cb->entry); |
| 1013 | } |
| 1014 | |
| 1015 | spin_unlock_irqrestore(&coredev->bufferslock, flags); |
| 1016 | |
| 1017 | return cb; |
| 1018 | } |
| 1019 | |
| 1020 | /** |
| 1021 | * return buffer descriptor to a pool |
| 1022 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 1023 | * @param coredev pointer to a coredev object returned by |
| 1024 | * smscore_register_device |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1025 | * @param cb pointer buffer descriptor |
| 1026 | * |
| 1027 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1028 | void smscore_putbuffer(struct smscore_device_t *coredev, |
| 1029 | struct smscore_buffer_t *cb) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1030 | { |
| 1031 | list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); |
| 1032 | } |
| 1033 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1034 | int smscore_validate_client(struct smscore_device_t *coredev, |
| 1035 | struct smscore_client_t *client, |
| 1036 | int data_type, int id) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1037 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1038 | struct smscore_idlist_t *listentry; |
| 1039 | struct smscore_client_t *registered_client; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1040 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1041 | if (!client) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1042 | PERROR("bad parameter.\n"); |
| 1043 | return -EFAULT; |
| 1044 | } |
| 1045 | registered_client = smscore_find_client(coredev, data_type, id); |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 1046 | if (registered_client == client) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1047 | return 0; |
Michael Krufky | fa830e8 | 2008-06-15 15:52:43 -0300 | [diff] [blame] | 1048 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1049 | if (registered_client) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1050 | PERROR("The msg ID already registered to another client.\n"); |
| 1051 | return -EEXIST; |
| 1052 | } |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1053 | listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1054 | if (!listentry) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1055 | PERROR("Can't allocate memory for client id.\n"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1056 | return -ENOMEM; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1057 | } |
| 1058 | listentry->id = id; |
| 1059 | listentry->data_type = data_type; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1060 | list_add_locked(&listentry->entry, &client->idlist, |
| 1061 | &coredev->clientslock); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1062 | return 0; |
| 1063 | } |
| 1064 | |
| 1065 | /** |
| 1066 | * creates smsclient object, check that id is taken by another client |
| 1067 | * |
| 1068 | * @param coredev pointer to a coredev object from clients hotplug |
| 1069 | * @param initial_id all messages with this id would be sent to this client |
| 1070 | * @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] | 1071 | * @param onresponse_handler client handler that is called to |
| 1072 | * process incoming messages |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1073 | * @param onremove_handler client handler that is called when device is removed |
| 1074 | * @param context client-specific context |
| 1075 | * @param client pointer to a value that receives created smsclient object |
| 1076 | * |
| 1077 | * @return 0 on success, <0 on error. |
| 1078 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1079 | int smscore_register_client(struct smscore_device_t *coredev, |
| 1080 | struct smsclient_params_t *params, |
| 1081 | struct smscore_client_t **client) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1082 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1083 | struct smscore_client_t *newclient; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1084 | /* check that no other channel with same parameters exists */ |
| 1085 | if (smscore_find_client(coredev, params->data_type, |
| 1086 | params->initial_id)) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1087 | PERROR("Client already exist.\n"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1088 | return -EEXIST; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1089 | } |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1090 | |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1091 | newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1092 | if (!newclient) { |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1093 | PERROR("Failed to allocate memory for client.\n"); |
| 1094 | return -ENOMEM; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1095 | } |
| 1096 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1097 | INIT_LIST_HEAD(&newclient->idlist); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1098 | newclient->coredev = coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1099 | newclient->onresponse_handler = params->onresponse_handler; |
| 1100 | newclient->onremove_handler = params->onremove_handler; |
| 1101 | newclient->context = params->context; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1102 | list_add_locked(&newclient->entry, &coredev->clients, |
| 1103 | &coredev->clientslock); |
| 1104 | smscore_validate_client(coredev, newclient, params->data_type, |
| 1105 | params->initial_id); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1106 | *client = newclient; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1107 | PDEBUG("%p %d %d\n", params->context, params->data_type, |
| 1108 | params->initial_id); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1109 | |
| 1110 | return 0; |
| 1111 | } |
| 1112 | |
| 1113 | /** |
| 1114 | * frees smsclient object and all subclients associated with it |
| 1115 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 1116 | * @param client pointer to smsclient object returned by |
| 1117 | * smscore_register_client |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1118 | * |
| 1119 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1120 | void smscore_unregister_client(struct smscore_client_t *client) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1121 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1122 | struct smscore_device_t *coredev = client->coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1123 | unsigned long flags; |
| 1124 | |
| 1125 | spin_lock_irqsave(&coredev->clientslock, flags); |
| 1126 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1127 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1128 | while (!list_empty(&client->idlist)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1129 | struct smscore_idlist_t *identry = |
| 1130 | (struct smscore_idlist_t *) client->idlist.next; |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1131 | list_del(&identry->entry); |
| 1132 | kfree(identry); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1133 | } |
| 1134 | |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1135 | printk(KERN_INFO "%s %p\n", __func__, client->context); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1136 | |
| 1137 | list_del(&client->entry); |
| 1138 | kfree(client); |
| 1139 | |
| 1140 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
| 1141 | } |
| 1142 | |
| 1143 | /** |
| 1144 | * verifies that source id is not taken by another client, |
| 1145 | * calls device handler to send requests to the device |
| 1146 | * |
Michael Krufky | 59bf6b8 | 2008-06-15 16:50:11 -0300 | [diff] [blame] | 1147 | * @param client pointer to smsclient object returned by |
| 1148 | * smscore_register_client |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1149 | * @param buffer pointer to a request buffer |
| 1150 | * @param size size (in bytes) of request buffer |
| 1151 | * |
| 1152 | * @return 0 on success, <0 on error. |
| 1153 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1154 | int smsclient_sendrequest(struct smscore_client_t *client, |
| 1155 | void *buffer, size_t size) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1156 | { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1157 | struct smscore_device_t *coredev; |
| 1158 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer; |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1159 | int rc; |
| 1160 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1161 | if (client == NULL) { |
| 1162 | printk(KERN_ERR "%s Got NULL client\n", __func__); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1163 | return -EINVAL; |
| 1164 | } |
| 1165 | |
| 1166 | coredev = client->coredev; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1167 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1168 | /* check that no other channel with same id exists */ |
| 1169 | if (coredev == NULL) { |
| 1170 | printk(KERN_ERR "%s Got NULL coredev\n", __func__); |
Michael Krufky | f17407a | 2008-06-14 00:43:26 -0300 | [diff] [blame] | 1171 | return -EINVAL; |
| 1172 | } |
| 1173 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1174 | rc = smscore_validate_client(client->coredev, client, 0, |
| 1175 | phdr->msgSrcId); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1176 | if (rc < 0) |
| 1177 | return rc; |
| 1178 | |
| 1179 | return coredev->sendrequest_handler(coredev->context, buffer, size); |
| 1180 | } |
| 1181 | |
| 1182 | /** |
| 1183 | * return the size of large (common) buffer |
| 1184 | * |
| 1185 | * @param coredev pointer to a coredev object from clients hotplug |
| 1186 | * |
| 1187 | * @return size (in bytes) of the buffer |
| 1188 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1189 | int smscore_get_common_buffer_size(struct smscore_device_t *coredev) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1190 | { |
| 1191 | return coredev->common_buffer_size; |
| 1192 | } |
| 1193 | |
| 1194 | /** |
| 1195 | * maps common buffer (if supported by platform) |
| 1196 | * |
| 1197 | * @param coredev pointer to a coredev object from clients hotplug |
| 1198 | * @param vma pointer to vma struct from mmap handler |
| 1199 | * |
| 1200 | * @return 0 on success, <0 on error. |
| 1201 | */ |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1202 | int smscore_map_common_buffer(struct smscore_device_t *coredev, |
Michael Krufky | a83ccdd | 2008-05-06 03:11:51 -0300 | [diff] [blame] | 1203 | struct vm_area_struct *vma) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1204 | { |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1205 | unsigned long end = vma->vm_end, |
| 1206 | start = vma->vm_start, |
| 1207 | size = PAGE_ALIGN(coredev->common_buffer_size); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1208 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1209 | if (!(vma->vm_flags & (VM_READ | VM_SHARED)) || |
| 1210 | (vma->vm_flags & VM_WRITE)) { |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 1211 | printk(KERN_INFO "%s invalid vm flags\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1212 | return -EINVAL; |
| 1213 | } |
| 1214 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1215 | if ((end - start) != size) { |
| 1216 | printk(KERN_INFO "%s invalid size %d expected %d\n", |
| 1217 | __func__, (int)(end - start), (int) size); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1218 | return -EINVAL; |
| 1219 | } |
| 1220 | |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1221 | if (remap_pfn_range(vma, start, |
| 1222 | coredev->common_buffer_phys >> PAGE_SHIFT, |
| 1223 | size, pgprot_noncached(vma->vm_page_prot))) |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1224 | { |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 1225 | printk(KERN_INFO "%s remap_page_range failed\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1226 | return -EAGAIN; |
| 1227 | } |
| 1228 | |
| 1229 | return 0; |
| 1230 | } |
| 1231 | |
| 1232 | int smscore_module_init(void) |
| 1233 | { |
Steven Toth | c646579 | 2008-05-19 19:09:21 -0300 | [diff] [blame] | 1234 | int rc = 0; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1235 | |
| 1236 | INIT_LIST_HEAD(&g_smscore_notifyees); |
| 1237 | INIT_LIST_HEAD(&g_smscore_devices); |
| 1238 | kmutex_init(&g_smscore_deviceslock); |
| 1239 | |
| 1240 | INIT_LIST_HEAD(&g_smscore_registry); |
| 1241 | kmutex_init(&g_smscore_registrylock); |
| 1242 | |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1243 | /* USB Register */ |
| 1244 | rc = smsusb_register(); |
| 1245 | |
| 1246 | /* DVB Register */ |
| 1247 | rc = smsdvb_register(); |
| 1248 | |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 1249 | printk(KERN_INFO "%s, rc %d\n", __func__, rc); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1250 | |
| 1251 | return rc; |
| 1252 | } |
| 1253 | |
| 1254 | void smscore_module_exit(void) |
| 1255 | { |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1256 | |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1257 | kmutex_lock(&g_smscore_deviceslock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1258 | while (!list_empty(&g_smscore_notifyees)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1259 | struct smscore_device_notifyee_t *notifyee = |
| 1260 | (struct smscore_device_notifyee_t *) |
| 1261 | g_smscore_notifyees.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1262 | |
| 1263 | list_del(¬ifyee->entry); |
| 1264 | kfree(notifyee); |
| 1265 | } |
| 1266 | kmutex_unlock(&g_smscore_deviceslock); |
| 1267 | |
| 1268 | kmutex_lock(&g_smscore_registrylock); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1269 | while (!list_empty(&g_smscore_registry)) { |
Michael Krufky | 18245e1 | 2008-06-15 17:52:24 -0300 | [diff] [blame] | 1270 | struct smscore_registry_entry_t *entry = |
| 1271 | (struct smscore_registry_entry_t *) |
| 1272 | g_smscore_registry.next; |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1273 | |
| 1274 | list_del(&entry->entry); |
| 1275 | kfree(entry); |
| 1276 | } |
| 1277 | kmutex_unlock(&g_smscore_registrylock); |
| 1278 | |
Steven Toth | eae5566 | 2008-05-22 18:04:36 -0300 | [diff] [blame] | 1279 | /* DVB UnRegister */ |
| 1280 | smsdvb_unregister(); |
| 1281 | |
| 1282 | /* Unregister USB */ |
| 1283 | smsusb_unregister(); |
| 1284 | |
Michael Krufky | 1865811 | 2008-05-22 18:30:17 -0300 | [diff] [blame] | 1285 | printk(KERN_INFO "%s\n", __func__); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1286 | } |
| 1287 | |
| 1288 | module_init(smscore_module_init); |
| 1289 | module_exit(smscore_module_exit); |
| 1290 | |
| 1291 | MODULE_DESCRIPTION("smscore"); |
Michael Krufky | 8223741 | 2008-06-15 15:14:13 -0300 | [diff] [blame] | 1292 | MODULE_AUTHOR("Siano Mobile Silicon,,, (doronc@siano-ms.com)"); |
Michael Krufky | 2e5c1ec8 | 2008-05-19 18:56:13 -0300 | [diff] [blame] | 1293 | MODULE_LICENSE("GPL"); |