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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-06-14 16:35:56 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-13 23:26:31 -0300 |
commit | 786baecfe78f8e25547c628b48a60fc8e5636056 (patch) | |
tree | bb4101ce010f55cbbfc6d93ee13b44b496a028cc /drivers/media/dvb/siano/smscoreapi.c | |
parent | 616300bd51bee80d2d122c205866aa4c20adbaa8 (diff) | |
download | blackbird-obmc-linux-786baecfe78f8e25547c628b48a60fc8e5636056.tar.gz blackbird-obmc-linux-786baecfe78f8e25547c628b48a60fc8e5636056.zip |
[media] dvb-usb: move it to drivers/media/usb/dvb-usb
As media/dvb will be removed, move it to a proper place.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/siano/smscoreapi.c')
-rw-r--r-- | drivers/media/dvb/siano/smscoreapi.c | 1637 |
1 files changed, 0 insertions, 1637 deletions
diff --git a/drivers/media/dvb/siano/smscoreapi.c b/drivers/media/dvb/siano/smscoreapi.c deleted file mode 100644 index 9cc55546cc30..000000000000 --- a/drivers/media/dvb/siano/smscoreapi.c +++ /dev/null @@ -1,1637 +0,0 @@ -/* - * Siano core API module - * - * This file contains implementation for the interface to sms core component - * - * author: Uri Shkolnik - * - * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation; - * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. - * - * See the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/dma-mapping.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/slab.h> - -#include <linux/firmware.h> -#include <linux/wait.h> -#include <asm/byteorder.h> - -#include "smscoreapi.h" -#include "sms-cards.h" -#include "smsir.h" -#include "smsendian.h" - -static int sms_dbg; -module_param_named(debug, sms_dbg, int, 0644); -MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))"); - -struct smscore_device_notifyee_t { - struct list_head entry; - hotplug_t hotplug; -}; - -struct smscore_idlist_t { - struct list_head entry; - int id; - int data_type; -}; - -struct smscore_client_t { - struct list_head entry; - struct smscore_device_t *coredev; - void *context; - struct list_head idlist; - onresponse_t onresponse_handler; - onremove_t onremove_handler; -}; - -void smscore_set_board_id(struct smscore_device_t *core, int id) -{ - core->board_id = id; -} - -int smscore_led_state(struct smscore_device_t *core, int led) -{ - if (led >= 0) - core->led_state = led; - return core->led_state; -} -EXPORT_SYMBOL_GPL(smscore_set_board_id); - -int smscore_get_board_id(struct smscore_device_t *core) -{ - return core->board_id; -} -EXPORT_SYMBOL_GPL(smscore_get_board_id); - -struct smscore_registry_entry_t { - struct list_head entry; - char devpath[32]; - int mode; - enum sms_device_type_st type; -}; - -static struct list_head g_smscore_notifyees; -static struct list_head g_smscore_devices; -static struct mutex g_smscore_deviceslock; - -static struct list_head g_smscore_registry; -static struct mutex g_smscore_registrylock; - -static int default_mode = 4; - -module_param(default_mode, int, 0644); -MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); - -static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) -{ - struct smscore_registry_entry_t *entry; - struct list_head *next; - - kmutex_lock(&g_smscore_registrylock); - for (next = g_smscore_registry.next; - next != &g_smscore_registry; - next = next->next) { - entry = (struct smscore_registry_entry_t *) next; - if (!strcmp(entry->devpath, devpath)) { - kmutex_unlock(&g_smscore_registrylock); - return entry; - } - } - entry = kmalloc(sizeof(struct smscore_registry_entry_t), GFP_KERNEL); - if (entry) { - entry->mode = default_mode; - strcpy(entry->devpath, devpath); - list_add(&entry->entry, &g_smscore_registry); - } else - sms_err("failed to create smscore_registry."); - kmutex_unlock(&g_smscore_registrylock); - return entry; -} - -int smscore_registry_getmode(char *devpath) -{ - struct smscore_registry_entry_t *entry; - - entry = smscore_find_registry(devpath); - if (entry) - return entry->mode; - else - sms_err("No registry found."); - - return default_mode; -} -EXPORT_SYMBOL_GPL(smscore_registry_getmode); - -static enum sms_device_type_st smscore_registry_gettype(char *devpath) -{ - struct smscore_registry_entry_t *entry; - - entry = smscore_find_registry(devpath); - if (entry) - return entry->type; - else - sms_err("No registry found."); - - return -1; -} - -void smscore_registry_setmode(char *devpath, int mode) -{ - struct smscore_registry_entry_t *entry; - - entry = smscore_find_registry(devpath); - if (entry) - entry->mode = mode; - else - sms_err("No registry found."); -} - -static void smscore_registry_settype(char *devpath, - enum sms_device_type_st type) -{ - struct smscore_registry_entry_t *entry; - - entry = smscore_find_registry(devpath); - if (entry) - entry->type = type; - else - sms_err("No registry found."); -} - - -static void list_add_locked(struct list_head *new, struct list_head *head, - spinlock_t *lock) -{ - unsigned long flags; - - spin_lock_irqsave(lock, flags); - - list_add(new, head); - - spin_unlock_irqrestore(lock, flags); -} - -/** - * register a client callback that called when device plugged in/unplugged - * NOTE: if devices exist callback is called immediately for each device - * - * @param hotplug callback - * - * @return 0 on success, <0 on error. - */ -int smscore_register_hotplug(hotplug_t hotplug) -{ - struct smscore_device_notifyee_t *notifyee; - struct list_head *next, *first; - int rc = 0; - - kmutex_lock(&g_smscore_deviceslock); - - notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), - GFP_KERNEL); - if (notifyee) { - /* now notify callback about existing devices */ - first = &g_smscore_devices; - for (next = first->next; - next != first && !rc; - next = next->next) { - struct smscore_device_t *coredev = - (struct smscore_device_t *) next; - rc = hotplug(coredev, coredev->device, 1); - } - - if (rc >= 0) { - notifyee->hotplug = hotplug; - list_add(¬ifyee->entry, &g_smscore_notifyees); - } else - kfree(notifyee); - } else - rc = -ENOMEM; - - kmutex_unlock(&g_smscore_deviceslock); - - return rc; -} -EXPORT_SYMBOL_GPL(smscore_register_hotplug); - -/** - * unregister a client callback that called when device plugged in/unplugged - * - * @param hotplug callback - * - */ -void smscore_unregister_hotplug(hotplug_t hotplug) -{ - struct list_head *next, *first; - - kmutex_lock(&g_smscore_deviceslock); - - first = &g_smscore_notifyees; - - for (next = first->next; next != first;) { - struct smscore_device_notifyee_t *notifyee = - (struct smscore_device_notifyee_t *) next; - next = next->next; - - if (notifyee->hotplug == hotplug) { - list_del(¬ifyee->entry); - kfree(notifyee); - } - } - - kmutex_unlock(&g_smscore_deviceslock); -} -EXPORT_SYMBOL_GPL(smscore_unregister_hotplug); - -static void smscore_notify_clients(struct smscore_device_t *coredev) -{ - struct smscore_client_t *client; - - /* the client must call smscore_unregister_client from remove handler */ - while (!list_empty(&coredev->clients)) { - client = (struct smscore_client_t *) coredev->clients.next; - client->onremove_handler(client->context); - } -} - -static int smscore_notify_callbacks(struct smscore_device_t *coredev, - struct device *device, int arrival) -{ - struct smscore_device_notifyee_t *elem; - int rc = 0; - - /* note: must be called under g_deviceslock */ - - list_for_each_entry(elem, &g_smscore_notifyees, entry) { - rc = elem->hotplug(coredev, device, arrival); - if (rc < 0) - break; - } - - return rc; -} - -static struct -smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, - dma_addr_t common_buffer_phys) -{ - struct smscore_buffer_t *cb = - kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); - if (!cb) { - sms_info("kmalloc(...) failed"); - return NULL; - } - - cb->p = buffer; - cb->offset_in_common = buffer - (u8 *) common_buffer; - cb->phys = common_buffer_phys + cb->offset_in_common; - - return cb; -} - -/** - * creates coredev object for a device, prepares buffers, - * creates buffer mappings, notifies registered hotplugs about new device. - * - * @param params device pointer to struct with device specific parameters - * and handlers - * @param coredev pointer to a value that receives created coredev object - * - * @return 0 on success, <0 on error. - */ -int smscore_register_device(struct smsdevice_params_t *params, - struct smscore_device_t **coredev) -{ - struct smscore_device_t *dev; - u8 *buffer; - - dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); - if (!dev) { - sms_info("kzalloc(...) failed"); - return -ENOMEM; - } - - /* init list entry so it could be safe in smscore_unregister_device */ - INIT_LIST_HEAD(&dev->entry); - - /* init queues */ - INIT_LIST_HEAD(&dev->clients); - INIT_LIST_HEAD(&dev->buffers); - - /* init locks */ - spin_lock_init(&dev->clientslock); - spin_lock_init(&dev->bufferslock); - - /* init completion events */ - init_completion(&dev->version_ex_done); - init_completion(&dev->data_download_done); - init_completion(&dev->trigger_done); - init_completion(&dev->init_device_done); - init_completion(&dev->reload_start_done); - init_completion(&dev->resume_done); - init_completion(&dev->gpio_configuration_done); - init_completion(&dev->gpio_set_level_done); - init_completion(&dev->gpio_get_level_done); - init_completion(&dev->ir_init_done); - - /* Buffer management */ - init_waitqueue_head(&dev->buffer_mng_waitq); - - /* alloc common buffer */ - dev->common_buffer_size = params->buffer_size * params->num_buffers; - dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, - &dev->common_buffer_phys, - GFP_KERNEL | GFP_DMA); - if (!dev->common_buffer) { - smscore_unregister_device(dev); - return -ENOMEM; - } - - /* prepare dma buffers */ - for (buffer = dev->common_buffer; - dev->num_buffers < params->num_buffers; - dev->num_buffers++, buffer += params->buffer_size) { - struct smscore_buffer_t *cb = - smscore_createbuffer(buffer, dev->common_buffer, - dev->common_buffer_phys); - if (!cb) { - smscore_unregister_device(dev); - return -ENOMEM; - } - - smscore_putbuffer(dev, cb); - } - - sms_info("allocated %d buffers", dev->num_buffers); - - dev->mode = DEVICE_MODE_NONE; - dev->context = params->context; - dev->device = params->device; - dev->setmode_handler = params->setmode_handler; - dev->detectmode_handler = params->detectmode_handler; - dev->sendrequest_handler = params->sendrequest_handler; - dev->preload_handler = params->preload_handler; - dev->postload_handler = params->postload_handler; - - dev->device_flags = params->flags; - strcpy(dev->devpath, params->devpath); - - smscore_registry_settype(dev->devpath, params->device_type); - - /* add device to devices list */ - kmutex_lock(&g_smscore_deviceslock); - list_add(&dev->entry, &g_smscore_devices); - kmutex_unlock(&g_smscore_deviceslock); - - *coredev = dev; - - sms_info("device %p created", dev); - - return 0; -} -EXPORT_SYMBOL_GPL(smscore_register_device); - - -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(SMS_PROTOCOL_MAX_RAOUNDTRIP_MS)) ? - 0 : -ETIME; -} - -/** - * Starts & enables IR operations - * - * @return 0 on success, < 0 on error. - */ -static int smscore_init_ir(struct smscore_device_t *coredev) -{ - int ir_io; - int rc; - void *buffer; - - coredev->ir.dev = NULL; - ir_io = sms_get_board(smscore_get_board_id(coredev))->board_cfg.ir; - if (ir_io) {/* only if IR port exist we use IR sub-module */ - sms_info("IR loading"); - rc = sms_ir_init(coredev); - - if (rc != 0) - sms_err("Error initialization DTV IR sub-module"); - else { - buffer = kmalloc(sizeof(struct SmsMsgData_ST2) + - SMS_DMA_ALIGNMENT, - GFP_KERNEL | GFP_DMA); - if (buffer) { - struct SmsMsgData_ST2 *msg = - (struct SmsMsgData_ST2 *) - SMS_ALIGN_ADDRESS(buffer); - - SMS_INIT_MSG(&msg->xMsgHeader, - MSG_SMS_START_IR_REQ, - sizeof(struct SmsMsgData_ST2)); - msg->msgData[0] = coredev->ir.controller; - msg->msgData[1] = coredev->ir.timeout; - - smsendian_handle_tx_message( - (struct SmsMsgHdr_ST2 *)msg); - rc = smscore_sendrequest_and_wait(coredev, msg, - msg->xMsgHeader. msgLength, - &coredev->ir_init_done); - - kfree(buffer); - } else - sms_err - ("Sending IR initialization message failed"); - } - } else - sms_info("IR port has not been detected"); - - return 0; -} - -/** - * sets initial device mode and notifies client hotplugs that device is ready - * - * @param coredev pointer to a coredev object returned by - * 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); - smscore_init_ir(coredev); - - sms_info("device %p started, rc %d", coredev, rc); - - kmutex_unlock(&g_smscore_deviceslock); - - return rc; -} -EXPORT_SYMBOL_GPL(smscore_start_device); - - -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; - u8 *payload = firmware->Payload; - int rc = 0; - firmware->StartAddress = le32_to_cpu(firmware->StartAddress); - firmware->Length = le32_to_cpu(firmware->Length); - - mem_address = firmware->StartAddress; - - 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); - - /* Release input device (IR) resources */ - sms_ir_exit(coredev); - - 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 (!list_empty(&coredev->buffers)) { - cb = (struct smscore_buffer_t *) coredev->buffers.next; - list_del(&cb->entry); - 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); - - if (coredev->fw_buf != NULL) - kfree(coredev->fw_buf); - - list_del(&coredev->entry); - kfree(coredev); - - kmutex_unlock(&g_smscore_deviceslock); - - sms_info("device %p destroyed", coredev); -} -EXPORT_SYMBOL_GPL(smscore_unregister_device); - -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", "tdmb_nova_12mhz_b0.inp", "none"}, - /*DABIP*/ - {"none", "none", "none", "none"}, - /*BDA*/ - {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, - /*ISDBT*/ - {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.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; -} -EXPORT_SYMBOL_GPL(smscore_get_device_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 list_head *first; - struct smscore_client_t *client; - unsigned long flags; - struct list_head *firstid; - struct smscore_idlist_t *client_id; - - spin_lock_irqsave(&coredev->clientslock, flags); - first = &coredev->clients; - list_for_each_entry(client, first, entry) { - firstid = &client->idlist; - list_for_each_entry(client_id, firstid, entry) { - if ((client_id->id == id) && - (client_id->data_type == data_type || - (client_id->data_type == 0))) - goto found; - } - } - client = NULL; -found: - 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; - 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; - /* Do we need to re-route? */ - if ((phdr->msgType == MSG_SMS_HO_PER_SLICES_IND) || - (phdr->msgType == MSG_SMS_TRANSMISSION_IND)) { - if (coredev->mode == DEVICE_MODE_DVBT_BDA) - phdr->msgDstId = DVBT_BDA_CONTROL_MSG_ID; - } - - - client = smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); - - /* 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; - case MSG_SMS_GPIO_CONFIG_EX_RES: - sms_debug("MSG_SMS_GPIO_CONFIG_EX_RES"); - complete(&coredev->gpio_configuration_done); - break; - case MSG_SMS_GPIO_SET_LEVEL_RES: - sms_debug("MSG_SMS_GPIO_SET_LEVEL_RES"); - complete(&coredev->gpio_set_level_done); - break; - case MSG_SMS_GPIO_GET_LEVEL_RES: - { - u32 *msgdata = (u32 *) phdr; - coredev->gpio_get_res = msgdata[1]; - sms_debug("MSG_SMS_GPIO_GET_LEVEL_RES gpio level %d", - coredev->gpio_get_res); - complete(&coredev->gpio_get_level_done); - break; - } - case MSG_SMS_START_IR_RES: - complete(&coredev->ir_init_done); - break; - case MSG_SMS_IR_SAMPLES_IND: - sms_ir_event(coredev, - (const char *) - ((char *)phdr - + sizeof(struct SmsMsgHdr_ST)), - (int)phdr->msgLength - - sizeof(struct SmsMsgHdr_ST)); - break; - - default: - break; - } - smscore_putbuffer(coredev, cb); - } -} -EXPORT_SYMBOL_GPL(smscore_onresponse); - -/** - * 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 *get_entry(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; -} - -struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) -{ - struct smscore_buffer_t *cb = NULL; - - wait_event(coredev->buffer_mng_waitq, (cb = get_entry(coredev))); - - return cb; -} -EXPORT_SYMBOL_GPL(smscore_getbuffer); - -/** - * 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) { - wake_up_interruptible(&coredev->buffer_mng_waitq); - list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); -} -EXPORT_SYMBOL_GPL(smscore_putbuffer); - -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 -EINVAL; - } - 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; -} -EXPORT_SYMBOL_GPL(smscore_register_client); - -/** - * 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); -} -EXPORT_SYMBOL_GPL(smscore_unregister_client); - -/** - * 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); -} -EXPORT_SYMBOL_GPL(smsclient_sendrequest); - - -/* old GPIO managements implementation */ -int smscore_configure_gpio(struct smscore_device_t *coredev, u32 pin, - struct smscore_config_gpio *pinconfig) -{ - struct { - struct SmsMsgHdr_ST hdr; - u32 data[6]; - } msg; - - if (coredev->device_flags & SMS_DEVICE_FAMILY2) { - msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; - msg.hdr.msgDstId = HIF_TASK; - msg.hdr.msgFlags = 0; - msg.hdr.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ; - msg.hdr.msgLength = sizeof(msg); - - msg.data[0] = pin; - msg.data[1] = pinconfig->pullupdown; - - /* Convert slew rate for Nova: Fast(0) = 3 / Slow(1) = 0; */ - msg.data[2] = pinconfig->outputslewrate == 0 ? 3 : 0; - - switch (pinconfig->outputdriving) { - case SMS_GPIO_OUTPUTDRIVING_16mA: - msg.data[3] = 7; /* Nova - 16mA */ - break; - case SMS_GPIO_OUTPUTDRIVING_12mA: - msg.data[3] = 5; /* Nova - 11mA */ - break; - case SMS_GPIO_OUTPUTDRIVING_8mA: - msg.data[3] = 3; /* Nova - 7mA */ - break; - case SMS_GPIO_OUTPUTDRIVING_4mA: - default: - msg.data[3] = 2; /* Nova - 4mA */ - break; - } - - msg.data[4] = pinconfig->direction; - msg.data[5] = 0; - } else /* TODO: SMS_DEVICE_FAMILY1 */ - return -EINVAL; - - return coredev->sendrequest_handler(coredev->context, - &msg, sizeof(msg)); -} - -int smscore_set_gpio(struct smscore_device_t *coredev, u32 pin, int level) -{ - struct { - struct SmsMsgHdr_ST hdr; - u32 data[3]; - } msg; - - if (pin > MAX_GPIO_PIN_NUMBER) - return -EINVAL; - - msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; - msg.hdr.msgDstId = HIF_TASK; - msg.hdr.msgFlags = 0; - msg.hdr.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ; - msg.hdr.msgLength = sizeof(msg); - - msg.data[0] = pin; - msg.data[1] = level ? 1 : 0; - msg.data[2] = 0; - - return coredev->sendrequest_handler(coredev->context, - &msg, sizeof(msg)); -} - -/* new GPIO management implementation */ -static int GetGpioPinParams(u32 PinNum, u32 *pTranslatedPinNum, - u32 *pGroupNum, u32 *pGroupCfg) { - - *pGroupCfg = 1; - - if (PinNum <= 1) { - *pTranslatedPinNum = 0; - *pGroupNum = 9; - *pGroupCfg = 2; - } else if (PinNum >= 2 && PinNum <= 6) { - *pTranslatedPinNum = 2; - *pGroupNum = 0; - *pGroupCfg = 2; - } else if (PinNum >= 7 && PinNum <= 11) { - *pTranslatedPinNum = 7; - *pGroupNum = 1; - } else if (PinNum >= 12 && PinNum <= 15) { - *pTranslatedPinNum = 12; - *pGroupNum = 2; - *pGroupCfg = 3; - } else if (PinNum == 16) { - *pTranslatedPinNum = 16; - *pGroupNum = 23; - } else if (PinNum >= 17 && PinNum <= 24) { - *pTranslatedPinNum = 17; - *pGroupNum = 3; - } else if (PinNum == 25) { - *pTranslatedPinNum = 25; - *pGroupNum = 6; - } else if (PinNum >= 26 && PinNum <= 28) { - *pTranslatedPinNum = 26; - *pGroupNum = 4; - } else if (PinNum == 29) { - *pTranslatedPinNum = 29; - *pGroupNum = 5; - *pGroupCfg = 2; - } else if (PinNum == 30) { - *pTranslatedPinNum = 30; - *pGroupNum = 8; - } else if (PinNum == 31) { - *pTranslatedPinNum = 31; - *pGroupNum = 17; - } else - return -1; - - *pGroupCfg <<= 24; - - return 0; -} - -int smscore_gpio_configure(struct smscore_device_t *coredev, u8 PinNum, - struct smscore_gpio_config *pGpioConfig) { - - u32 totalLen; - u32 TranslatedPinNum = 0; - u32 GroupNum = 0; - u32 ElectricChar; - u32 groupCfg; - void *buffer; - int rc; - - struct SetGpioMsg { - struct SmsMsgHdr_ST xMsgHeader; - u32 msgData[6]; - } *pMsg; - - - if (PinNum > MAX_GPIO_PIN_NUMBER) - return -EINVAL; - - if (pGpioConfig == NULL) - return -EINVAL; - - totalLen = sizeof(struct SmsMsgHdr_ST) + (sizeof(u32) * 6); - - buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, - GFP_KERNEL | GFP_DMA); - if (!buffer) - return -ENOMEM; - - pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); - - pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; - pMsg->xMsgHeader.msgDstId = HIF_TASK; - pMsg->xMsgHeader.msgFlags = 0; - pMsg->xMsgHeader.msgLength = (u16) totalLen; - pMsg->msgData[0] = PinNum; - - if (!(coredev->device_flags & SMS_DEVICE_FAMILY2)) { - pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_CONFIG_REQ; - if (GetGpioPinParams(PinNum, &TranslatedPinNum, &GroupNum, - &groupCfg) != 0) { - rc = -EINVAL; - goto free; - } - - pMsg->msgData[1] = TranslatedPinNum; - pMsg->msgData[2] = GroupNum; - ElectricChar = (pGpioConfig->PullUpDown) - | (pGpioConfig->InputCharacteristics << 2) - | (pGpioConfig->OutputSlewRate << 3) - | (pGpioConfig->OutputDriving << 4); - pMsg->msgData[3] = ElectricChar; - pMsg->msgData[4] = pGpioConfig->Direction; - pMsg->msgData[5] = groupCfg; - } else { - pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ; - pMsg->msgData[1] = pGpioConfig->PullUpDown; - pMsg->msgData[2] = pGpioConfig->OutputSlewRate; - pMsg->msgData[3] = pGpioConfig->OutputDriving; - pMsg->msgData[4] = pGpioConfig->Direction; - pMsg->msgData[5] = 0; - } - - smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); - rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, - &coredev->gpio_configuration_done); - - if (rc != 0) { - if (rc == -ETIME) - sms_err("smscore_gpio_configure timeout"); - else - sms_err("smscore_gpio_configure error"); - } -free: - kfree(buffer); - - return rc; -} - -int smscore_gpio_set_level(struct smscore_device_t *coredev, u8 PinNum, - u8 NewLevel) { - - u32 totalLen; - int rc; - void *buffer; - - struct SetGpioMsg { - struct SmsMsgHdr_ST xMsgHeader; - u32 msgData[3]; /* keep it 3 ! */ - } *pMsg; - - if ((NewLevel > 1) || (PinNum > MAX_GPIO_PIN_NUMBER)) - return -EINVAL; - - totalLen = sizeof(struct SmsMsgHdr_ST) + - (3 * sizeof(u32)); /* keep it 3 ! */ - - buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, - GFP_KERNEL | GFP_DMA); - if (!buffer) - return -ENOMEM; - - pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); - - pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; - pMsg->xMsgHeader.msgDstId = HIF_TASK; - pMsg->xMsgHeader.msgFlags = 0; - pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ; - pMsg->xMsgHeader.msgLength = (u16) totalLen; - pMsg->msgData[0] = PinNum; - pMsg->msgData[1] = NewLevel; - - /* Send message to SMS */ - smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); - rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, - &coredev->gpio_set_level_done); - - if (rc != 0) { - if (rc == -ETIME) - sms_err("smscore_gpio_set_level timeout"); - else - sms_err("smscore_gpio_set_level error"); - } - kfree(buffer); - - return rc; -} - -int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 PinNum, - u8 *level) { - - u32 totalLen; - int rc; - void *buffer; - - struct SetGpioMsg { - struct SmsMsgHdr_ST xMsgHeader; - u32 msgData[2]; - } *pMsg; - - - if (PinNum > MAX_GPIO_PIN_NUMBER) - return -EINVAL; - - totalLen = sizeof(struct SmsMsgHdr_ST) + (2 * sizeof(u32)); - - buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, - GFP_KERNEL | GFP_DMA); - if (!buffer) - return -ENOMEM; - - pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); - - pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; - pMsg->xMsgHeader.msgDstId = HIF_TASK; - pMsg->xMsgHeader.msgFlags = 0; - pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_GET_LEVEL_REQ; - pMsg->xMsgHeader.msgLength = (u16) totalLen; - pMsg->msgData[0] = PinNum; - pMsg->msgData[1] = 0; - - /* Send message to SMS */ - smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); - rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, - &coredev->gpio_get_level_done); - - if (rc != 0) { - if (rc == -ETIME) - sms_err("smscore_gpio_get_level timeout"); - else - sms_err("smscore_gpio_get_level error"); - } - kfree(buffer); - - /* Its a race between other gpio_get_level() and the copy of the single - * global 'coredev->gpio_get_res' to the function's variable 'level' - */ - *level = coredev->gpio_get_res; - - return rc; -} - -static int __init 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); - - return rc; -} - -static void __exit 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); - - sms_debug(""); -} - -module_init(smscore_module_init); -module_exit(smscore_module_exit); - -MODULE_DESCRIPTION("Siano MDTV Core module"); -MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)"); -MODULE_LICENSE("GPL"); |