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@@ -0,0 +1,1251 @@
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+/*
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+ * Siano core API module
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+ *
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+ * This file contains implementation for the interface to sms core component
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+ *
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+ * author: Anatoly Greenblat
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+ *
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+ * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 3 as
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+ * published by the Free Software Foundation;
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+ *
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+ * Software distributed under the License is distributed on an "AS IS"
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+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
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+ *
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+ * See the GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/moduleparam.h>
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+#include <linux/dma-mapping.h>
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+#include <linux/delay.h>
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+#include <linux/io.h>
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+
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+#include <linux/firmware.h>
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+
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+#include "smscoreapi.h"
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+#include "sms-cards.h"
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+
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+int sms_debug;
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+module_param_named(debug, sms_debug, int, 0644);
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+MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
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+
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+struct smscore_device_notifyee_t {
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+ struct list_head entry;
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+ hotplug_t hotplug;
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+};
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+
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+struct smscore_idlist_t {
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+ struct list_head entry;
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+ int id;
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+ int data_type;
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+};
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+
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+struct smscore_client_t {
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+ struct list_head entry;
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+ struct smscore_device_t *coredev;
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+ void *context;
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+ struct list_head idlist;
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+ onresponse_t onresponse_handler;
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+ onremove_t onremove_handler;
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+};
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+
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+struct smscore_device_t {
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+ struct list_head entry;
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+
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+ struct list_head clients;
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+ struct list_head subclients;
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+ spinlock_t clientslock;
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+
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+ struct list_head buffers;
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+ spinlock_t bufferslock;
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+ int num_buffers;
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+
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+ void *common_buffer;
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+ int common_buffer_size;
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+ dma_addr_t common_buffer_phys;
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+
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+ void *context;
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+ struct device *device;
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+
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+ char devpath[32];
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+ unsigned long device_flags;
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+
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+ setmode_t setmode_handler;
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+ detectmode_t detectmode_handler;
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+ sendrequest_t sendrequest_handler;
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+ preload_t preload_handler;
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+ postload_t postload_handler;
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+
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+ int mode, modes_supported;
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+
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+ struct completion version_ex_done, data_download_done, trigger_done;
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+ struct completion init_device_done, reload_start_done, resume_done;
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+
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+ int board_id;
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+};
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+
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+void smscore_set_board_id(struct smscore_device_t *core, int id)
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+{
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+ core->board_id = id;
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+}
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+
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+int smscore_get_board_id(struct smscore_device_t *core)
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+{
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+ return core->board_id;
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+}
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+
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+struct smscore_registry_entry_t {
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+ struct list_head entry;
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+ char devpath[32];
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+ int mode;
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+ enum sms_device_type_st type;
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+};
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+
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+struct list_head g_smscore_notifyees;
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+struct list_head g_smscore_devices;
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+struct mutex g_smscore_deviceslock;
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+
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+struct list_head g_smscore_registry;
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+struct mutex g_smscore_registrylock;
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+
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+static int default_mode = 4;
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+
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+module_param(default_mode, int, 0644);
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+MODULE_PARM_DESC(default_mode, "default firmware id (device mode)");
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+
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+static struct smscore_registry_entry_t *smscore_find_registry(char *devpath)
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+{
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+ struct smscore_registry_entry_t *entry;
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+ struct list_head *next;
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+
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+ kmutex_lock(&g_smscore_registrylock);
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+ for (next = g_smscore_registry.next;
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+ next != &g_smscore_registry;
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+ next = next->next) {
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+ entry = (struct smscore_registry_entry_t *) next;
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+ if (!strcmp(entry->devpath, devpath)) {
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+ kmutex_unlock(&g_smscore_registrylock);
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+ return entry;
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+ }
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+ }
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+ entry = (struct smscore_registry_entry_t *)
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+ kmalloc(sizeof(struct smscore_registry_entry_t),
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+ GFP_KERNEL);
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+ if (entry) {
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+ entry->mode = default_mode;
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+ strcpy(entry->devpath, devpath);
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+ list_add(&entry->entry, &g_smscore_registry);
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+ } else
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+ sms_err("failed to create smscore_registry.");
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+ kmutex_unlock(&g_smscore_registrylock);
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+ return entry;
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+}
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+
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+int smscore_registry_getmode(char *devpath)
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+{
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+ struct smscore_registry_entry_t *entry;
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+
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+ entry = smscore_find_registry(devpath);
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+ if (entry)
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+ return entry->mode;
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+ else
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+ sms_err("No registry found.");
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+
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+ return default_mode;
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+}
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+
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+static enum sms_device_type_st smscore_registry_gettype(char *devpath)
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+{
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+ struct smscore_registry_entry_t *entry;
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+
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+ entry = smscore_find_registry(devpath);
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+ if (entry)
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+ return entry->type;
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+ else
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+ sms_err("No registry found.");
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+
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+ return -1;
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+}
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+
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+void smscore_registry_setmode(char *devpath, int mode)
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+{
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+ struct smscore_registry_entry_t *entry;
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+
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+ entry = smscore_find_registry(devpath);
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+ if (entry)
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+ entry->mode = mode;
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+ else
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+ sms_err("No registry found.");
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+}
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+
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+static void smscore_registry_settype(char *devpath,
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+ enum sms_device_type_st type)
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+{
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+ struct smscore_registry_entry_t *entry;
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+
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+ entry = smscore_find_registry(devpath);
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+ if (entry)
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+ entry->type = type;
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+ else
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+ sms_err("No registry found.");
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+}
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+
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+
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+static void list_add_locked(struct list_head *new, struct list_head *head,
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+ spinlock_t *lock)
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+{
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+ unsigned long flags;
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+
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+ spin_lock_irqsave(lock, flags);
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+
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+ list_add(new, head);
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+
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+ spin_unlock_irqrestore(lock, flags);
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+}
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+
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+/**
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+ * register a client callback that called when device plugged in/unplugged
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+ * NOTE: if devices exist callback is called immediately for each device
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+ *
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+ * @param hotplug callback
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+ *
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+ * @return 0 on success, <0 on error.
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+ */
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+int smscore_register_hotplug(hotplug_t hotplug)
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+{
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+ struct smscore_device_notifyee_t *notifyee;
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+ struct list_head *next, *first;
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+ int rc = 0;
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+
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+ kmutex_lock(&g_smscore_deviceslock);
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+
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+ notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t),
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+ GFP_KERNEL);
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+ if (notifyee) {
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+ /* now notify callback about existing devices */
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+ first = &g_smscore_devices;
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+ for (next = first->next;
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+ next != first && !rc;
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+ next = next->next) {
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+ struct smscore_device_t *coredev =
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+ (struct smscore_device_t *) next;
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+ rc = hotplug(coredev, coredev->device, 1);
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+ }
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+
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+ if (rc >= 0) {
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+ notifyee->hotplug = hotplug;
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+ list_add(¬ifyee->entry, &g_smscore_notifyees);
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+ } else
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+ kfree(notifyee);
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+ } else
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+ rc = -ENOMEM;
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+
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+ kmutex_unlock(&g_smscore_deviceslock);
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+
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+ return rc;
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+}
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+
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+/**
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+ * unregister a client callback that called when device plugged in/unplugged
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+ *
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+ * @param hotplug callback
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+ *
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+ */
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+void smscore_unregister_hotplug(hotplug_t hotplug)
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+{
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+ struct list_head *next, *first;
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+
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+ kmutex_lock(&g_smscore_deviceslock);
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+
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+ first = &g_smscore_notifyees;
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+
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+ for (next = first->next; next != first;) {
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+ struct smscore_device_notifyee_t *notifyee =
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+ (struct smscore_device_notifyee_t *) next;
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+ next = next->next;
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+
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+ if (notifyee->hotplug == hotplug) {
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+ list_del(¬ifyee->entry);
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+ kfree(notifyee);
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+ }
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+ }
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+
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+ kmutex_unlock(&g_smscore_deviceslock);
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+}
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+
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+static void smscore_notify_clients(struct smscore_device_t *coredev)
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+{
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+ struct smscore_client_t *client;
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+
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+ /* the client must call smscore_unregister_client from remove handler */
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+ while (!list_empty(&coredev->clients)) {
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+ client = (struct smscore_client_t *) coredev->clients.next;
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+ client->onremove_handler(client->context);
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+ }
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+}
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+
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+static int smscore_notify_callbacks(struct smscore_device_t *coredev,
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+ struct device *device, int arrival)
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+{
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+ struct list_head *next, *first;
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+ int rc = 0;
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+
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+ /* note: must be called under g_deviceslock */
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+
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+ first = &g_smscore_notifyees;
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+
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+ for (next = first->next; next != first; next = next->next) {
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+ rc = ((struct smscore_device_notifyee_t *) next)->
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+ hotplug(coredev, device, arrival);
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+ if (rc < 0)
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+ break;
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+ }
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+
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+ return rc;
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+}
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+
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+static struct
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+smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer,
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+ dma_addr_t common_buffer_phys)
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+{
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+ struct smscore_buffer_t *cb =
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+ kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL);
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+ if (!cb) {
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+ sms_info("kmalloc(...) failed");
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+ return NULL;
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+ }
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+
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+ cb->p = buffer;
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+ cb->offset_in_common = buffer - (u8 *) common_buffer;
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+ cb->phys = common_buffer_phys + cb->offset_in_common;
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+
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+ return cb;
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+}
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+
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+/**
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+ * creates coredev object for a device, prepares buffers,
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+ * creates buffer mappings, notifies registered hotplugs about new device.
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+ *
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+ * @param params device pointer to struct with device specific parameters
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+ * and handlers
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+ * @param coredev pointer to a value that receives created coredev object
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+ *
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+ * @return 0 on success, <0 on error.
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+ */
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+int smscore_register_device(struct smsdevice_params_t *params,
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+ struct smscore_device_t **coredev)
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+{
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+ struct smscore_device_t *dev;
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+ u8 *buffer;
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+
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+ dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL);
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+ if (!dev) {
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+ sms_info("kzalloc(...) failed");
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+ return -ENOMEM;
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+ }
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+
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+ /* init list entry so it could be safe in smscore_unregister_device */
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+ INIT_LIST_HEAD(&dev->entry);
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+
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+ /* init queues */
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+ INIT_LIST_HEAD(&dev->clients);
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+ INIT_LIST_HEAD(&dev->buffers);
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+
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+ /* init locks */
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+ spin_lock_init(&dev->clientslock);
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+ spin_lock_init(&dev->bufferslock);
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+
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+ /* init completion events */
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+ init_completion(&dev->version_ex_done);
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+ init_completion(&dev->data_download_done);
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+ init_completion(&dev->trigger_done);
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+ init_completion(&dev->init_device_done);
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+ init_completion(&dev->reload_start_done);
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+ init_completion(&dev->resume_done);
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+
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+ /* alloc common buffer */
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+ dev->common_buffer_size = params->buffer_size * params->num_buffers;
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+ dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size,
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+ &dev->common_buffer_phys,
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+ GFP_KERNEL | GFP_DMA);
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+ if (!dev->common_buffer) {
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+ smscore_unregister_device(dev);
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+ return -ENOMEM;
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+ }
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+
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+ /* prepare dma buffers */
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+ for (buffer = dev->common_buffer;
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+ dev->num_buffers < params->num_buffers;
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+ dev->num_buffers++, buffer += params->buffer_size) {
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+ struct smscore_buffer_t *cb =
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+ smscore_createbuffer(buffer, dev->common_buffer,
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+ dev->common_buffer_phys);
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+ if (!cb) {
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+ smscore_unregister_device(dev);
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+ return -ENOMEM;
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+ }
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+
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+ smscore_putbuffer(dev, cb);
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+ }
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+
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+ sms_info("allocated %d buffers", dev->num_buffers);
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+
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+ dev->mode = DEVICE_MODE_NONE;
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+ dev->context = params->context;
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+ dev->device = params->device;
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+ dev->setmode_handler = params->setmode_handler;
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+ dev->detectmode_handler = params->detectmode_handler;
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+ dev->sendrequest_handler = params->sendrequest_handler;
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+ dev->preload_handler = params->preload_handler;
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+ dev->postload_handler = params->postload_handler;
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+
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+ dev->device_flags = params->flags;
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+ strcpy(dev->devpath, params->devpath);
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+
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+ smscore_registry_settype(dev->devpath, params->device_type);
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+
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+ /* add device to devices list */
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+ kmutex_lock(&g_smscore_deviceslock);
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+ list_add(&dev->entry, &g_smscore_devices);
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+ kmutex_unlock(&g_smscore_deviceslock);
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+
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+ *coredev = dev;
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+
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+ sms_info("device %p created", dev);
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+
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+ return 0;
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+}
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+
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+/**
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+ * sets initial device mode and notifies client hotplugs that device is ready
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+ *
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+ * @param coredev pointer to a coredev object returned by
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|
|
+ * smscore_register_device
|
|
|
+ *
|
|
|
+ * @return 0 on success, <0 on error.
|
|
|
+ */
|
|
|
+int smscore_start_device(struct smscore_device_t *coredev)
|
|
|
+{
|
|
|
+ int rc = smscore_set_device_mode(
|
|
|
+ coredev, smscore_registry_getmode(coredev->devpath));
|
|
|
+ if (rc < 0) {
|
|
|
+ sms_info("set device mode faile , rc %d", rc);
|
|
|
+ return rc;
|
|
|
+ }
|
|
|
+
|
|
|
+ kmutex_lock(&g_smscore_deviceslock);
|
|
|
+
|
|
|
+ rc = smscore_notify_callbacks(coredev, coredev->device, 1);
|
|
|
+
|
|
|
+ sms_info("device %p started, rc %d", coredev, rc);
|
|
|
+
|
|
|
+ kmutex_unlock(&g_smscore_deviceslock);
|
|
|
+
|
|
|
+ return rc;
|
|
|
+}
|
|
|
+
|
|
|
+static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev,
|
|
|
+ void *buffer, size_t size,
|
|
|
+ struct completion *completion)
|
|
|
+{
|
|
|
+ int rc = coredev->sendrequest_handler(coredev->context, buffer, size);
|
|
|
+ if (rc < 0) {
|
|
|
+ sms_info("sendrequest returned error %d", rc);
|
|
|
+ return rc;
|
|
|
+ }
|
|
|
+
|
|
|
+ return wait_for_completion_timeout(completion,
|
|
|
+ msecs_to_jiffies(10000)) ?
|
|
|
+ 0 : -ETIME;
|
|
|
+}
|
|
|
+
|
|
|
+static int smscore_load_firmware_family2(struct smscore_device_t *coredev,
|
|
|
+ void *buffer, size_t size)
|
|
|
+{
|
|
|
+ struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer;
|
|
|
+ struct SmsMsgHdr_ST *msg;
|
|
|
+ u32 mem_address = firmware->StartAddress;
|
|
|
+ u8 *payload = firmware->Payload;
|
|
|
+ int rc = 0;
|
|
|
+
|
|
|
+ sms_info("loading FW to addr 0x%x size %d",
|
|
|
+ mem_address, firmware->Length);
|
|
|
+ if (coredev->preload_handler) {
|
|
|
+ rc = coredev->preload_handler(coredev->context);
|
|
|
+ if (rc < 0)
|
|
|
+ return rc;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* PAGE_SIZE buffer shall be enough and dma aligned */
|
|
|
+ msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
|
|
|
+ if (!msg)
|
|
|
+ return -ENOMEM;
|
|
|
+
|
|
|
+ if (coredev->mode != DEVICE_MODE_NONE) {
|
|
|
+ sms_debug("sending reload command.");
|
|
|
+ SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ,
|
|
|
+ sizeof(struct SmsMsgHdr_ST));
|
|
|
+ rc = smscore_sendrequest_and_wait(coredev, msg,
|
|
|
+ msg->msgLength,
|
|
|
+ &coredev->reload_start_done);
|
|
|
+ mem_address = *(u32 *) &payload[20];
|
|
|
+ }
|
|
|
+
|
|
|
+ while (size && rc >= 0) {
|
|
|
+ struct SmsDataDownload_ST *DataMsg =
|
|
|
+ (struct SmsDataDownload_ST *) msg;
|
|
|
+ int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE);
|
|
|
+
|
|
|
+ SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ,
|
|
|
+ (u16)(sizeof(struct SmsMsgHdr_ST) +
|
|
|
+ sizeof(u32) + payload_size));
|
|
|
+
|
|
|
+ DataMsg->MemAddr = mem_address;
|
|
|
+ memcpy(DataMsg->Payload, payload, payload_size);
|
|
|
+
|
|
|
+ if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) &&
|
|
|
+ (coredev->mode == DEVICE_MODE_NONE))
|
|
|
+ rc = coredev->sendrequest_handler(
|
|
|
+ coredev->context, DataMsg,
|
|
|
+ DataMsg->xMsgHeader.msgLength);
|
|
|
+ else
|
|
|
+ rc = smscore_sendrequest_and_wait(
|
|
|
+ coredev, DataMsg,
|
|
|
+ DataMsg->xMsgHeader.msgLength,
|
|
|
+ &coredev->data_download_done);
|
|
|
+
|
|
|
+ payload += payload_size;
|
|
|
+ size -= payload_size;
|
|
|
+ mem_address += payload_size;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (rc >= 0) {
|
|
|
+ if (coredev->mode == DEVICE_MODE_NONE) {
|
|
|
+ struct SmsMsgData_ST *TriggerMsg =
|
|
|
+ (struct SmsMsgData_ST *) msg;
|
|
|
+
|
|
|
+ SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ,
|
|
|
+ sizeof(struct SmsMsgHdr_ST) +
|
|
|
+ sizeof(u32) * 5);
|
|
|
+
|
|
|
+ TriggerMsg->msgData[0] = firmware->StartAddress;
|
|
|
+ /* Entry point */
|
|
|
+ TriggerMsg->msgData[1] = 5; /* Priority */
|
|
|
+ TriggerMsg->msgData[2] = 0x200; /* Stack size */
|
|
|
+ TriggerMsg->msgData[3] = 0; /* Parameter */
|
|
|
+ TriggerMsg->msgData[4] = 4; /* Task ID */
|
|
|
+
|
|
|
+ if (coredev->device_flags & SMS_ROM_NO_RESPONSE) {
|
|
|
+ rc = coredev->sendrequest_handler(
|
|
|
+ coredev->context, TriggerMsg,
|
|
|
+ TriggerMsg->xMsgHeader.msgLength);
|
|
|
+ msleep(100);
|
|
|
+ } else
|
|
|
+ rc = smscore_sendrequest_and_wait(
|
|
|
+ coredev, TriggerMsg,
|
|
|
+ TriggerMsg->xMsgHeader.msgLength,
|
|
|
+ &coredev->trigger_done);
|
|
|
+ } else {
|
|
|
+ SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ,
|
|
|
+ sizeof(struct SmsMsgHdr_ST));
|
|
|
+
|
|
|
+ rc = coredev->sendrequest_handler(coredev->context,
|
|
|
+ msg, msg->msgLength);
|
|
|
+ }
|
|
|
+ msleep(500);
|
|
|
+ }
|
|
|
+
|
|
|
+ sms_debug("rc=%d, postload=%p ", rc,
|
|
|
+ coredev->postload_handler);
|
|
|
+
|
|
|
+ kfree(msg);
|
|
|
+
|
|
|
+ return ((rc >= 0) && coredev->postload_handler) ?
|
|
|
+ coredev->postload_handler(coredev->context) :
|
|
|
+ rc;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * loads specified firmware into a buffer and calls device loadfirmware_handler
|
|
|
+ *
|
|
|
+ * @param coredev pointer to a coredev object returned by
|
|
|
+ * smscore_register_device
|
|
|
+ * @param filename null-terminated string specifies firmware file name
|
|
|
+ * @param loadfirmware_handler device handler that loads firmware
|
|
|
+ *
|
|
|
+ * @return 0 on success, <0 on error.
|
|
|
+ */
|
|
|
+static int smscore_load_firmware_from_file(struct smscore_device_t *coredev,
|
|
|
+ char *filename,
|
|
|
+ loadfirmware_t loadfirmware_handler)
|
|
|
+{
|
|
|
+ int rc = -ENOENT;
|
|
|
+ const struct firmware *fw;
|
|
|
+ u8 *fw_buffer;
|
|
|
+
|
|
|
+ if (loadfirmware_handler == NULL && !(coredev->device_flags &
|
|
|
+ SMS_DEVICE_FAMILY2))
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ rc = request_firmware(&fw, filename, coredev->device);
|
|
|
+ if (rc < 0) {
|
|
|
+ sms_info("failed to open \"%s\"", filename);
|
|
|
+ return rc;
|
|
|
+ }
|
|
|
+ sms_info("read FW %s, size=%zd", filename, fw->size);
|
|
|
+ fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT),
|
|
|
+ GFP_KERNEL | GFP_DMA);
|
|
|
+ if (fw_buffer) {
|
|
|
+ memcpy(fw_buffer, fw->data, fw->size);
|
|
|
+
|
|
|
+ rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ?
|
|
|
+ smscore_load_firmware_family2(coredev,
|
|
|
+ fw_buffer,
|
|
|
+ fw->size) :
|
|
|
+ loadfirmware_handler(coredev->context,
|
|
|
+ fw_buffer, fw->size);
|
|
|
+
|
|
|
+ kfree(fw_buffer);
|
|
|
+ } else {
|
|
|
+ sms_info("failed to allocate firmware buffer");
|
|
|
+ rc = -ENOMEM;
|
|
|
+ }
|
|
|
+
|
|
|
+ release_firmware(fw);
|
|
|
+
|
|
|
+ return rc;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * notifies all clients registered with the device, notifies hotplugs,
|
|
|
+ * frees all buffers and coredev object
|
|
|
+ *
|
|
|
+ * @param coredev pointer to a coredev object returned by
|
|
|
+ * smscore_register_device
|
|
|
+ *
|
|
|
+ * @return 0 on success, <0 on error.
|
|
|
+ */
|
|
|
+void smscore_unregister_device(struct smscore_device_t *coredev)
|
|
|
+{
|
|
|
+ struct smscore_buffer_t *cb;
|
|
|
+ int num_buffers = 0;
|
|
|
+ int retry = 0;
|
|
|
+
|
|
|
+ kmutex_lock(&g_smscore_deviceslock);
|
|
|
+
|
|
|
+ smscore_notify_clients(coredev);
|
|
|
+ smscore_notify_callbacks(coredev, NULL, 0);
|
|
|
+
|
|
|
+ /* at this point all buffers should be back
|
|
|
+ * onresponse must no longer be called */
|
|
|
+
|
|
|
+ while (1) {
|
|
|
+ while ((cb = smscore_getbuffer(coredev))) {
|
|
|
+ kfree(cb);
|
|
|
+ num_buffers++;
|
|
|
+ }
|
|
|
+ if (num_buffers == coredev->num_buffers)
|
|
|
+ break;
|
|
|
+ if (++retry > 10) {
|
|
|
+ sms_info("exiting although "
|
|
|
+ "not all buffers released.");
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ sms_info("waiting for %d buffer(s)",
|
|
|
+ coredev->num_buffers - num_buffers);
|
|
|
+ msleep(100);
|
|
|
+ }
|
|
|
+
|
|
|
+ sms_info("freed %d buffers", num_buffers);
|
|
|
+
|
|
|
+ if (coredev->common_buffer)
|
|
|
+ dma_free_coherent(NULL, coredev->common_buffer_size,
|
|
|
+ coredev->common_buffer,
|
|
|
+ coredev->common_buffer_phys);
|
|
|
+
|
|
|
+ list_del(&coredev->entry);
|
|
|
+ kfree(coredev);
|
|
|
+
|
|
|
+ kmutex_unlock(&g_smscore_deviceslock);
|
|
|
+
|
|
|
+ sms_info("device %p destroyed", coredev);
|
|
|
+}
|
|
|
+
|
|
|
+static int smscore_detect_mode(struct smscore_device_t *coredev)
|
|
|
+{
|
|
|
+ void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT,
|
|
|
+ GFP_KERNEL | GFP_DMA);
|
|
|
+ struct SmsMsgHdr_ST *msg =
|
|
|
+ (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer);
|
|
|
+ int rc;
|
|
|
+
|
|
|
+ if (!buffer)
|
|
|
+ return -ENOMEM;
|
|
|
+
|
|
|
+ SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ,
|
|
|
+ sizeof(struct SmsMsgHdr_ST));
|
|
|
+
|
|
|
+ rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength,
|
|
|
+ &coredev->version_ex_done);
|
|
|
+ if (rc == -ETIME) {
|
|
|
+ sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try");
|
|
|
+
|
|
|
+ if (wait_for_completion_timeout(&coredev->resume_done,
|
|
|
+ msecs_to_jiffies(5000))) {
|
|
|
+ rc = smscore_sendrequest_and_wait(
|
|
|
+ coredev, msg, msg->msgLength,
|
|
|
+ &coredev->version_ex_done);
|
|
|
+ if (rc < 0)
|
|
|
+ sms_err("MSG_SMS_GET_VERSION_EX_REQ failed "
|
|
|
+ "second try, rc %d", rc);
|
|
|
+ } else
|
|
|
+ rc = -ETIME;
|
|
|
+ }
|
|
|
+
|
|
|
+ kfree(buffer);
|
|
|
+
|
|
|
+ return rc;
|
|
|
+}
|
|
|
+
|
|
|
+static char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = {
|
|
|
+ /*Stellar NOVA A0 Nova B0 VEGA*/
|
|
|
+ /*DVBT*/
|
|
|
+ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
|
|
|
+ /*DVBH*/
|
|
|
+ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
|
|
|
+ /*TDMB*/
|
|
|
+ {"none", "tdmb_nova_12mhz.inp", "none", "none"},
|
|
|
+ /*DABIP*/
|
|
|
+ {"none", "none", "none", "none"},
|
|
|
+ /*BDA*/
|
|
|
+ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
|
|
|
+ /*ISDBT*/
|
|
|
+ {"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"},
|
|
|
+ /*ISDBTBDA*/
|
|
|
+ {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"},
|
|
|
+ /*CMMB*/
|
|
|
+ {"none", "none", "none", "cmmb_vega_12mhz.inp"}
|
|
|
+};
|
|
|
+
|
|
|
+static inline char *sms_get_fw_name(struct smscore_device_t *coredev,
|
|
|
+ int mode, enum sms_device_type_st type)
|
|
|
+{
|
|
|
+ char **fw = sms_get_board(smscore_get_board_id(coredev))->fw;
|
|
|
+ return (fw && fw[mode]) ? fw[mode] : smscore_fw_lkup[mode][type];
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * calls device handler to change mode of operation
|
|
|
+ * NOTE: stellar/usb may disconnect when changing mode
|
|
|
+ *
|
|
|
+ * @param coredev pointer to a coredev object returned by
|
|
|
+ * smscore_register_device
|
|
|
+ * @param mode requested mode of operation
|
|
|
+ *
|
|
|
+ * @return 0 on success, <0 on error.
|
|
|
+ */
|
|
|
+int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
|
|
|
+{
|
|
|
+ void *buffer;
|
|
|
+ int rc = 0;
|
|
|
+ enum sms_device_type_st type;
|
|
|
+
|
|
|
+ sms_debug("set device mode to %d", mode);
|
|
|
+ if (coredev->device_flags & SMS_DEVICE_FAMILY2) {
|
|
|
+ if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) {
|
|
|
+ sms_err("invalid mode specified %d", mode);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ smscore_registry_setmode(coredev->devpath, mode);
|
|
|
+
|
|
|
+ if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) {
|
|
|
+ rc = smscore_detect_mode(coredev);
|
|
|
+ if (rc < 0) {
|
|
|
+ sms_err("mode detect failed %d", rc);
|
|
|
+ return rc;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (coredev->mode == mode) {
|
|
|
+ sms_info("device mode %d already set", mode);
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!(coredev->modes_supported & (1 << mode))) {
|
|
|
+ char *fw_filename;
|
|
|
+
|
|
|
+ type = smscore_registry_gettype(coredev->devpath);
|
|
|
+ fw_filename = sms_get_fw_name(coredev, mode, type);
|
|
|
+
|
|
|
+ rc = smscore_load_firmware_from_file(coredev,
|
|
|
+ fw_filename, NULL);
|
|
|
+ if (rc < 0) {
|
|
|
+ sms_warn("error %d loading firmware: %s, "
|
|
|
+ "trying again with default firmware",
|
|
|
+ rc, fw_filename);
|
|
|
+
|
|
|
+ /* try again with the default firmware */
|
|
|
+ fw_filename = smscore_fw_lkup[mode][type];
|
|
|
+ rc = smscore_load_firmware_from_file(coredev,
|
|
|
+ fw_filename, NULL);
|
|
|
+
|
|
|
+ if (rc < 0) {
|
|
|
+ sms_warn("error %d loading "
|
|
|
+ "firmware: %s", rc,
|
|
|
+ fw_filename);
|
|
|
+ return rc;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ sms_log("firmware download success: %s", fw_filename);
|
|
|
+ } else
|
|
|
+ sms_info("mode %d supported by running "
|
|
|
+ "firmware", mode);
|
|
|
+
|
|
|
+ buffer = kmalloc(sizeof(struct SmsMsgData_ST) +
|
|
|
+ SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA);
|
|
|
+ if (buffer) {
|
|
|
+ struct SmsMsgData_ST *msg =
|
|
|
+ (struct SmsMsgData_ST *)
|
|
|
+ SMS_ALIGN_ADDRESS(buffer);
|
|
|
+
|
|
|
+ SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ,
|
|
|
+ sizeof(struct SmsMsgData_ST));
|
|
|
+ msg->msgData[0] = mode;
|
|
|
+
|
|
|
+ rc = smscore_sendrequest_and_wait(
|
|
|
+ coredev, msg, msg->xMsgHeader.msgLength,
|
|
|
+ &coredev->init_device_done);
|
|
|
+
|
|
|
+ kfree(buffer);
|
|
|
+ } else {
|
|
|
+ sms_err("Could not allocate buffer for "
|
|
|
+ "init device message.");
|
|
|
+ rc = -ENOMEM;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) {
|
|
|
+ sms_err("invalid mode specified %d", mode);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ smscore_registry_setmode(coredev->devpath, mode);
|
|
|
+
|
|
|
+ if (coredev->detectmode_handler)
|
|
|
+ coredev->detectmode_handler(coredev->context,
|
|
|
+ &coredev->mode);
|
|
|
+
|
|
|
+ if (coredev->mode != mode && coredev->setmode_handler)
|
|
|
+ rc = coredev->setmode_handler(coredev->context, mode);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (rc >= 0) {
|
|
|
+ coredev->mode = mode;
|
|
|
+ coredev->device_flags &= ~SMS_DEVICE_NOT_READY;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (rc != 0)
|
|
|
+ sms_err("return error code %d.", rc);
|
|
|
+ return rc;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * calls device handler to get current mode of operation
|
|
|
+ *
|
|
|
+ * @param coredev pointer to a coredev object returned by
|
|
|
+ * smscore_register_device
|
|
|
+ *
|
|
|
+ * @return current mode
|
|
|
+ */
|
|
|
+int smscore_get_device_mode(struct smscore_device_t *coredev)
|
|
|
+{
|
|
|
+ return coredev->mode;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * find client by response id & type within the clients list.
|
|
|
+ * return client handle or NULL.
|
|
|
+ *
|
|
|
+ * @param coredev pointer to a coredev object returned by
|
|
|
+ * smscore_register_device
|
|
|
+ * @param data_type client data type (SMS_DONT_CARE for all types)
|
|
|
+ * @param id client id (SMS_DONT_CARE for all id)
|
|
|
+ *
|
|
|
+ */
|
|
|
+static struct
|
|
|
+smscore_client_t *smscore_find_client(struct smscore_device_t *coredev,
|
|
|
+ int data_type, int id)
|
|
|
+{
|
|
|
+ struct smscore_client_t *client = NULL;
|
|
|
+ struct list_head *next, *first;
|
|
|
+ unsigned long flags;
|
|
|
+ struct list_head *firstid, *nextid;
|
|
|
+
|
|
|
+
|
|
|
+ spin_lock_irqsave(&coredev->clientslock, flags);
|
|
|
+ first = &coredev->clients;
|
|
|
+ for (next = first->next;
|
|
|
+ (next != first) && !client;
|
|
|
+ next = next->next) {
|
|
|
+ firstid = &((struct smscore_client_t *)next)->idlist;
|
|
|
+ for (nextid = firstid->next;
|
|
|
+ nextid != firstid;
|
|
|
+ nextid = nextid->next) {
|
|
|
+ if ((((struct smscore_idlist_t *)nextid)->id == id) &&
|
|
|
+ (((struct smscore_idlist_t *)nextid)->data_type == data_type ||
|
|
|
+ (((struct smscore_idlist_t *)nextid)->data_type == 0))) {
|
|
|
+ client = (struct smscore_client_t *) next;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ spin_unlock_irqrestore(&coredev->clientslock, flags);
|
|
|
+ return client;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * find client by response id/type, call clients onresponse handler
|
|
|
+ * return buffer to pool on error
|
|
|
+ *
|
|
|
+ * @param coredev pointer to a coredev object returned by
|
|
|
+ * smscore_register_device
|
|
|
+ * @param cb pointer to response buffer descriptor
|
|
|
+ *
|
|
|
+ */
|
|
|
+void smscore_onresponse(struct smscore_device_t *coredev,
|
|
|
+ struct smscore_buffer_t *cb)
|
|
|
+{
|
|
|
+ struct SmsMsgHdr_ST *phdr =
|
|
|
+ (struct SmsMsgHdr_ST *)((u8 *) cb->p + cb->offset);
|
|
|
+ struct smscore_client_t *client =
|
|
|
+ smscore_find_client(coredev, phdr->msgType, phdr->msgDstId);
|
|
|
+ int rc = -EBUSY;
|
|
|
+
|
|
|
+ static unsigned long last_sample_time; /* = 0; */
|
|
|
+ static int data_total; /* = 0; */
|
|
|
+ unsigned long time_now = jiffies_to_msecs(jiffies);
|
|
|
+
|
|
|
+ if (!last_sample_time)
|
|
|
+ last_sample_time = time_now;
|
|
|
+
|
|
|
+ if (time_now - last_sample_time > 10000) {
|
|
|
+ sms_debug("\ndata rate %d bytes/secs",
|
|
|
+ (int)((data_total * 1000) /
|
|
|
+ (time_now - last_sample_time)));
|
|
|
+
|
|
|
+ last_sample_time = time_now;
|
|
|
+ data_total = 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ data_total += cb->size;
|
|
|
+ /* If no client registered for type & id,
|
|
|
+ * check for control client where type is not registered */
|
|
|
+ if (client)
|
|
|
+ rc = client->onresponse_handler(client->context, cb);
|
|
|
+
|
|
|
+ if (rc < 0) {
|
|
|
+ switch (phdr->msgType) {
|
|
|
+ case MSG_SMS_GET_VERSION_EX_RES:
|
|
|
+ {
|
|
|
+ struct SmsVersionRes_ST *ver =
|
|
|
+ (struct SmsVersionRes_ST *) phdr;
|
|
|
+ sms_debug("MSG_SMS_GET_VERSION_EX_RES "
|
|
|
+ "id %d prots 0x%x ver %d.%d",
|
|
|
+ ver->FirmwareId, ver->SupportedProtocols,
|
|
|
+ ver->RomVersionMajor, ver->RomVersionMinor);
|
|
|
+
|
|
|
+ coredev->mode = ver->FirmwareId == 255 ?
|
|
|
+ DEVICE_MODE_NONE : ver->FirmwareId;
|
|
|
+ coredev->modes_supported = ver->SupportedProtocols;
|
|
|
+
|
|
|
+ complete(&coredev->version_ex_done);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ case MSG_SMS_INIT_DEVICE_RES:
|
|
|
+ sms_debug("MSG_SMS_INIT_DEVICE_RES");
|
|
|
+ complete(&coredev->init_device_done);
|
|
|
+ break;
|
|
|
+ case MSG_SW_RELOAD_START_RES:
|
|
|
+ sms_debug("MSG_SW_RELOAD_START_RES");
|
|
|
+ complete(&coredev->reload_start_done);
|
|
|
+ break;
|
|
|
+ case MSG_SMS_DATA_DOWNLOAD_RES:
|
|
|
+ complete(&coredev->data_download_done);
|
|
|
+ break;
|
|
|
+ case MSG_SW_RELOAD_EXEC_RES:
|
|
|
+ sms_debug("MSG_SW_RELOAD_EXEC_RES");
|
|
|
+ break;
|
|
|
+ case MSG_SMS_SWDOWNLOAD_TRIGGER_RES:
|
|
|
+ sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES");
|
|
|
+ complete(&coredev->trigger_done);
|
|
|
+ break;
|
|
|
+ case MSG_SMS_SLEEP_RESUME_COMP_IND:
|
|
|
+ complete(&coredev->resume_done);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ smscore_putbuffer(coredev, cb);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * return pointer to next free buffer descriptor from core pool
|
|
|
+ *
|
|
|
+ * @param coredev pointer to a coredev object returned by
|
|
|
+ * smscore_register_device
|
|
|
+ *
|
|
|
+ * @return pointer to descriptor on success, NULL on error.
|
|
|
+ */
|
|
|
+struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev)
|
|
|
+{
|
|
|
+ struct smscore_buffer_t *cb = NULL;
|
|
|
+ unsigned long flags;
|
|
|
+
|
|
|
+ spin_lock_irqsave(&coredev->bufferslock, flags);
|
|
|
+
|
|
|
+ if (!list_empty(&coredev->buffers)) {
|
|
|
+ cb = (struct smscore_buffer_t *) coredev->buffers.next;
|
|
|
+ list_del(&cb->entry);
|
|
|
+ }
|
|
|
+
|
|
|
+ spin_unlock_irqrestore(&coredev->bufferslock, flags);
|
|
|
+
|
|
|
+ return cb;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * return buffer descriptor to a pool
|
|
|
+ *
|
|
|
+ * @param coredev pointer to a coredev object returned by
|
|
|
+ * smscore_register_device
|
|
|
+ * @param cb pointer buffer descriptor
|
|
|
+ *
|
|
|
+ */
|
|
|
+void smscore_putbuffer(struct smscore_device_t *coredev,
|
|
|
+ struct smscore_buffer_t *cb)
|
|
|
+{
|
|
|
+ list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock);
|
|
|
+}
|
|
|
+
|
|
|
+static int smscore_validate_client(struct smscore_device_t *coredev,
|
|
|
+ struct smscore_client_t *client,
|
|
|
+ int data_type, int id)
|
|
|
+{
|
|
|
+ struct smscore_idlist_t *listentry;
|
|
|
+ struct smscore_client_t *registered_client;
|
|
|
+
|
|
|
+ if (!client) {
|
|
|
+ sms_err("bad parameter.");
|
|
|
+ return -EFAULT;
|
|
|
+ }
|
|
|
+ registered_client = smscore_find_client(coredev, data_type, id);
|
|
|
+ if (registered_client == client)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ if (registered_client) {
|
|
|
+ sms_err("The msg ID already registered to another client.");
|
|
|
+ return -EEXIST;
|
|
|
+ }
|
|
|
+ listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL);
|
|
|
+ if (!listentry) {
|
|
|
+ sms_err("Can't allocate memory for client id.");
|
|
|
+ return -ENOMEM;
|
|
|
+ }
|
|
|
+ listentry->id = id;
|
|
|
+ listentry->data_type = data_type;
|
|
|
+ list_add_locked(&listentry->entry, &client->idlist,
|
|
|
+ &coredev->clientslock);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * creates smsclient object, check that id is taken by another client
|
|
|
+ *
|
|
|
+ * @param coredev pointer to a coredev object from clients hotplug
|
|
|
+ * @param initial_id all messages with this id would be sent to this client
|
|
|
+ * @param data_type all messages of this type would be sent to this client
|
|
|
+ * @param onresponse_handler client handler that is called to
|
|
|
+ * process incoming messages
|
|
|
+ * @param onremove_handler client handler that is called when device is removed
|
|
|
+ * @param context client-specific context
|
|
|
+ * @param client pointer to a value that receives created smsclient object
|
|
|
+ *
|
|
|
+ * @return 0 on success, <0 on error.
|
|
|
+ */
|
|
|
+int smscore_register_client(struct smscore_device_t *coredev,
|
|
|
+ struct smsclient_params_t *params,
|
|
|
+ struct smscore_client_t **client)
|
|
|
+{
|
|
|
+ struct smscore_client_t *newclient;
|
|
|
+ /* check that no other channel with same parameters exists */
|
|
|
+ if (smscore_find_client(coredev, params->data_type,
|
|
|
+ params->initial_id)) {
|
|
|
+ sms_err("Client already exist.");
|
|
|
+ return -EEXIST;
|
|
|
+ }
|
|
|
+
|
|
|
+ newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL);
|
|
|
+ if (!newclient) {
|
|
|
+ sms_err("Failed to allocate memory for client.");
|
|
|
+ return -ENOMEM;
|
|
|
+ }
|
|
|
+
|
|
|
+ INIT_LIST_HEAD(&newclient->idlist);
|
|
|
+ newclient->coredev = coredev;
|
|
|
+ newclient->onresponse_handler = params->onresponse_handler;
|
|
|
+ newclient->onremove_handler = params->onremove_handler;
|
|
|
+ newclient->context = params->context;
|
|
|
+ list_add_locked(&newclient->entry, &coredev->clients,
|
|
|
+ &coredev->clientslock);
|
|
|
+ smscore_validate_client(coredev, newclient, params->data_type,
|
|
|
+ params->initial_id);
|
|
|
+ *client = newclient;
|
|
|
+ sms_debug("%p %d %d", params->context, params->data_type,
|
|
|
+ params->initial_id);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * frees smsclient object and all subclients associated with it
|
|
|
+ *
|
|
|
+ * @param client pointer to smsclient object returned by
|
|
|
+ * smscore_register_client
|
|
|
+ *
|
|
|
+ */
|
|
|
+void smscore_unregister_client(struct smscore_client_t *client)
|
|
|
+{
|
|
|
+ struct smscore_device_t *coredev = client->coredev;
|
|
|
+ unsigned long flags;
|
|
|
+
|
|
|
+ spin_lock_irqsave(&coredev->clientslock, flags);
|
|
|
+
|
|
|
+
|
|
|
+ while (!list_empty(&client->idlist)) {
|
|
|
+ struct smscore_idlist_t *identry =
|
|
|
+ (struct smscore_idlist_t *) client->idlist.next;
|
|
|
+ list_del(&identry->entry);
|
|
|
+ kfree(identry);
|
|
|
+ }
|
|
|
+
|
|
|
+ sms_info("%p", client->context);
|
|
|
+
|
|
|
+ list_del(&client->entry);
|
|
|
+ kfree(client);
|
|
|
+
|
|
|
+ spin_unlock_irqrestore(&coredev->clientslock, flags);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * verifies that source id is not taken by another client,
|
|
|
+ * calls device handler to send requests to the device
|
|
|
+ *
|
|
|
+ * @param client pointer to smsclient object returned by
|
|
|
+ * smscore_register_client
|
|
|
+ * @param buffer pointer to a request buffer
|
|
|
+ * @param size size (in bytes) of request buffer
|
|
|
+ *
|
|
|
+ * @return 0 on success, <0 on error.
|
|
|
+ */
|
|
|
+int smsclient_sendrequest(struct smscore_client_t *client,
|
|
|
+ void *buffer, size_t size)
|
|
|
+{
|
|
|
+ struct smscore_device_t *coredev;
|
|
|
+ struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer;
|
|
|
+ int rc;
|
|
|
+
|
|
|
+ if (client == NULL) {
|
|
|
+ sms_err("Got NULL client");
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ coredev = client->coredev;
|
|
|
+
|
|
|
+ /* check that no other channel with same id exists */
|
|
|
+ if (coredev == NULL) {
|
|
|
+ sms_err("Got NULL coredev");
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ rc = smscore_validate_client(client->coredev, client, 0,
|
|
|
+ phdr->msgSrcId);
|
|
|
+ if (rc < 0)
|
|
|
+ return rc;
|
|
|
+
|
|
|
+ return coredev->sendrequest_handler(coredev->context, buffer, size);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+int smscore_module_init(void)
|
|
|
+{
|
|
|
+ int rc = 0;
|
|
|
+
|
|
|
+ INIT_LIST_HEAD(&g_smscore_notifyees);
|
|
|
+ INIT_LIST_HEAD(&g_smscore_devices);
|
|
|
+ kmutex_init(&g_smscore_deviceslock);
|
|
|
+
|
|
|
+ INIT_LIST_HEAD(&g_smscore_registry);
|
|
|
+ kmutex_init(&g_smscore_registrylock);
|
|
|
+
|
|
|
+ /* USB Register */
|
|
|
+ rc = smsusb_register();
|
|
|
+
|
|
|
+ /* DVB Register */
|
|
|
+ rc = smsdvb_register();
|
|
|
+
|
|
|
+ sms_debug("rc %d", rc);
|
|
|
+
|
|
|
+ return rc;
|
|
|
+}
|
|
|
+
|
|
|
+void smscore_module_exit(void)
|
|
|
+{
|
|
|
+
|
|
|
+ kmutex_lock(&g_smscore_deviceslock);
|
|
|
+ while (!list_empty(&g_smscore_notifyees)) {
|
|
|
+ struct smscore_device_notifyee_t *notifyee =
|
|
|
+ (struct smscore_device_notifyee_t *)
|
|
|
+ g_smscore_notifyees.next;
|
|
|
+
|
|
|
+ list_del(¬ifyee->entry);
|
|
|
+ kfree(notifyee);
|
|
|
+ }
|
|
|
+ kmutex_unlock(&g_smscore_deviceslock);
|
|
|
+
|
|
|
+ kmutex_lock(&g_smscore_registrylock);
|
|
|
+ while (!list_empty(&g_smscore_registry)) {
|
|
|
+ struct smscore_registry_entry_t *entry =
|
|
|
+ (struct smscore_registry_entry_t *)
|
|
|
+ g_smscore_registry.next;
|
|
|
+
|
|
|
+ list_del(&entry->entry);
|
|
|
+ kfree(entry);
|
|
|
+ }
|
|
|
+ kmutex_unlock(&g_smscore_registrylock);
|
|
|
+
|
|
|
+ /* DVB UnRegister */
|
|
|
+ smsdvb_unregister();
|
|
|
+
|
|
|
+ /* Unregister USB */
|
|
|
+ smsusb_unregister();
|
|
|
+
|
|
|
+ sms_debug("");
|
|
|
+}
|
|
|
+
|
|
|
+module_init(smscore_module_init);
|
|
|
+module_exit(smscore_module_exit);
|
|
|
+
|
|
|
+MODULE_DESCRIPTION("Driver for the Siano SMS1XXX USB dongle");
|
|
|
+MODULE_AUTHOR("Siano Mobile Silicon,,, (doronc@siano-ms.com)");
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+MODULE_LICENSE("GPL");
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