diff options
Diffstat (limited to 'drivers/media/dvb/siano/smscoreapi.c')
| -rw-r--r-- | drivers/media/dvb/siano/smscoreapi.c | 651 |
1 files changed, 314 insertions, 337 deletions
diff --git a/drivers/media/dvb/siano/smscoreapi.c b/drivers/media/dvb/siano/smscoreapi.c index 41c63e5622d..ba72daf5ced 100644 --- a/drivers/media/dvb/siano/smscoreapi.c +++ b/drivers/media/dvb/siano/smscoreapi.c @@ -33,23 +33,23 @@ #include "smscoreapi.h" -#define PERROR(fmt, args...) printk( KERN_ERR "smscore error: line %d- %s(): " fmt,__LINE__, __func__, ## args) +#define PERROR(fmt, args...)\ + printk(KERN_ERR "smscore error: line %d- %s(): " fmt, \ + __LINE__, __func__, ## args) #ifdef SMSCORE_DEBUG - #undef PWARNING -# define PWARNING(fmt, args...) printk( KERN_INFO "smscore warning: line %d- %s(): " fmt,__LINE__, __func__, ## args) +# define PWARNING(fmt, args...) printk(KERN_INFO "smscore warning: " \ + "line %d- %s(): " fmt, \ + __LINE__, __func__, ## args) #undef PDEBUG /* undef it, just in case */ -# define PDEBUG(fmt, args...) printk( KERN_INFO "smscore - %s(): " fmt, __func__, ## args) - +# define PDEBUG(fmt, args...) printk(KERN_INFO "smscore - %s(): " fmt, \ + __func__, ## args) #else /*SMSCORE_DEBUG*/ - #define PDEBUG(fmt, args...) #define PWARNING(fmt, args...) - #endif - typedef struct _smscore_device_notifyee { struct list_head entry; @@ -129,100 +129,86 @@ static int default_mode = 1; module_param(default_mode, int, 0644); MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); -static smscore_registry_entry_t *smscore_find_registry ( char *devpath ) +static smscore_registry_entry_t *smscore_find_registry(char *devpath) { 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) - { + for (next = g_smscore_registry.next; + next != &g_smscore_registry; + next = next->next) { entry = (smscore_registry_entry_t *) next; - if (!strcmp(entry->devpath, devpath)) - { + if (!strcmp(entry->devpath, devpath)) { kmutex_unlock(&g_smscore_registrylock); return entry; } } - entry = (smscore_registry_entry_t *) kmalloc(sizeof(smscore_registry_entry_t), GFP_KERNEL); - if (entry) - { + entry = (smscore_registry_entry_t *) + kmalloc(sizeof(smscore_registry_entry_t), GFP_KERNEL); + if (entry) { entry->mode = default_mode; strcpy(entry->devpath, devpath); list_add(&entry->entry, &g_smscore_registry); - } - else - printk ( KERN_ERR "%s failed to create smscore_registry.\n", __func__ ); + } else + printk(KERN_ERR "%s failed to create smscore_registry.\n", + __func__); kmutex_unlock(&g_smscore_registrylock); return entry; } -int smscore_registry_getmode ( char *devpath ) +int smscore_registry_getmode(char *devpath) { smscore_registry_entry_t *entry; - entry = smscore_find_registry ( devpath ); - if ( entry ) - { + entry = smscore_find_registry(devpath); + if (entry) return entry->mode; - } else - { - printk ( KERN_ERR "%s No registry found.\n", __func__ ); - } + printk(KERN_ERR "%s No registry found.\n", __func__); + return default_mode; } -sms_device_type_st smscore_registry_gettype ( char *devpath ) +sms_device_type_st smscore_registry_gettype(char *devpath) { smscore_registry_entry_t *entry; - entry = smscore_find_registry ( devpath ); - if ( entry ) - { + entry = smscore_find_registry(devpath); + if (entry) return entry->type; - } else - { - printk ( KERN_ERR "%s No registry found.\n", __func__ ); - } + printk(KERN_ERR "%s No registry found.\n", __func__); + return -1; } -void smscore_registry_setmode ( char *devpath, int mode ) - { +void smscore_registry_setmode(char *devpath, int mode) +{ smscore_registry_entry_t *entry; - entry = smscore_find_registry ( devpath ); - if ( entry ) - { - entry->mode = mode; - } + entry = smscore_find_registry(devpath); + if (entry) + entry->mode = mode; else - { - printk ( KERN_ERR "%s No registry found.\n", __func__ ); - } - } + printk(KERN_ERR "%s No registry found.\n", __func__); +} -void smscore_registry_settype ( char *devpath, sms_device_type_st type ) +void smscore_registry_settype(char *devpath, sms_device_type_st type) { smscore_registry_entry_t *entry; - entry = smscore_find_registry ( devpath ); - if ( entry ) - { + entry = smscore_find_registry(devpath); + if (entry) entry->type = type; - } else - { - printk ( KERN_ERR "%s No registry found.\n", __func__ ); -} + printk(KERN_ERR "%s No registry found.\n", __func__); } void list_add_locked(struct list_head *new, struct list_head *head, - spinlock_t *lock) + spinlock_t *lock) { unsigned long flags; @@ -250,25 +236,22 @@ int smscore_register_hotplug(hotplug_t hotplug) kmutex_lock(&g_smscore_deviceslock); notifyee = kmalloc(sizeof(smscore_device_notifyee_t), GFP_KERNEL); - if (notifyee) - { - // now notify callback about existing devices + if (notifyee) { + /* now notify callback about existing devices */ first = &g_smscore_devices; - for (next = first->next; next != first && !rc; next = next->next) - { + for (next = first->next; + next != first && !rc; + next = next->next) { smscore_device_t *coredev = (smscore_device_t *) next; rc = hotplug(coredev, coredev->device, 1); } - if (rc >= 0) - { + if (rc >= 0) { notifyee->hotplug = hotplug; list_add(¬ifyee->entry, &g_smscore_notifyees); - } - else + } else kfree(notifyee); - } - else + } else rc = -ENOMEM; kmutex_unlock(&g_smscore_deviceslock); @@ -290,13 +273,12 @@ void smscore_unregister_hotplug(hotplug_t hotplug) first = &g_smscore_notifyees; - for (next = first->next; next != first;) - { - smscore_device_notifyee_t *notifyee = (smscore_device_notifyee_t *) next; + for (next = first->next; next != first;) { + smscore_device_notifyee_t *notifyee = + (smscore_device_notifyee_t *) next; next = next->next; - if (notifyee->hotplug == hotplug) - { + if (notifyee->hotplug == hotplug) { list_del(¬ifyee->entry); kfree(notifyee); } @@ -309,25 +291,24 @@ void smscore_notify_clients(smscore_device_t *coredev) { smscore_client_t *client; - // the client must call smscore_unregister_client from remove handler - while (!list_empty(&coredev->clients)) - { + /* the client must call smscore_unregister_client from remove handler */ + while (!list_empty(&coredev->clients)) { client = (smscore_client_t *) coredev->clients.next; client->onremove_handler(client->context); } } -int smscore_notify_callbacks(smscore_device_t *coredev, struct device *device, int arrival) +int smscore_notify_callbacks(smscore_device_t *coredev, struct device *device, + int arrival) { struct list_head *next, *first; int rc = 0; - // note: must be called under g_deviceslock + /* note: must be called under g_deviceslock */ first = &g_smscore_notifyees; - for (next = first->next; next != first; next = next->next) - { + for (next = first->next; next != first; next = next->next) { rc = ((smscore_device_notifyee_t *) next)->hotplug(coredev, device, arrival); if (rc < 0) break; @@ -340,8 +321,7 @@ smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, dma_addr_t common_buffer_phys) { smscore_buffer_t *cb = kmalloc(sizeof(smscore_buffer_t), GFP_KERNEL); - if (!cb) - { + if (!cb) { printk(KERN_INFO "%s kmalloc(...) failed\n", __func__); return NULL; } @@ -354,38 +334,38 @@ smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, } /** - * creates coredev object for a device, prepares buffers, creates buffer mappings, notifies - * registered hotplugs about new device. + * 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(smsdevice_params_t *params, smscore_device_t **coredev) +int smscore_register_device(smsdevice_params_t *params, + smscore_device_t **coredev) { smscore_device_t *dev; u8 *buffer; dev = kzalloc(sizeof(smscore_device_t), GFP_KERNEL); - if (!dev) - { + if (!dev) { printk(KERN_INFO "%s kzalloc(...) failed\n", __func__); return -ENOMEM; } - // init list entry so it could be safe in smscore_unregister_device + /* init list entry so it could be safe in smscore_unregister_device */ INIT_LIST_HEAD(&dev->entry); - // init queues + /* init queues */ INIT_LIST_HEAD(&dev->clients); INIT_LIST_HEAD(&dev->buffers); - // init locks + /* init locks */ spin_lock_init(&dev->clientslock); spin_lock_init(&dev->bufferslock); - // init completion events + /* init completion events */ init_completion(&dev->version_ex_done); init_completion(&dev->data_download_done); init_completion(&dev->trigger_done); @@ -393,21 +373,22 @@ int smscore_register_device(smsdevice_params_t *params, smscore_device_t **cored init_completion(&dev->reload_start_done); init_completion(&dev->resume_done); - // alloc common buffer + /* 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) - { + 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) - { + /* prepare dma buffers */ + for (buffer = dev->common_buffer; + dev->num_buffers < params->num_buffers; + dev->num_buffers ++, buffer += params->buffer_size) { smscore_buffer_t *cb = smscore_createbuffer(buffer, dev->common_buffer, dev->common_buffer_phys); - if (!cb) - { + if (!cb) { smscore_unregister_device(dev); return -ENOMEM; } @@ -415,7 +396,8 @@ int smscore_register_device(smsdevice_params_t *params, smscore_device_t **cored smscore_putbuffer(dev, cb); } - printk(KERN_INFO "%s allocated %d buffers\n", __func__, dev->num_buffers); + printk(KERN_INFO "%s allocated %d buffers\n", + __func__, dev->num_buffers); dev->mode = DEVICE_MODE_NONE; dev->context = params->context; @@ -429,9 +411,9 @@ int smscore_register_device(smsdevice_params_t *params, smscore_device_t **cored dev->device_flags = params->flags; strcpy(dev->devpath, params->devpath); - smscore_registry_settype ( dev->devpath, params->device_type ); + smscore_registry_settype(dev->devpath, params->device_type); - // add device to devices list + /* add device to devices list */ kmutex_lock(&g_smscore_deviceslock); list_add(&dev->entry, &g_smscore_devices); kmutex_unlock(&g_smscore_deviceslock); @@ -453,9 +435,8 @@ int smscore_register_device(smsdevice_params_t *params, smscore_device_t **cored int smscore_start_device(smscore_device_t *coredev) { int rc = smscore_set_device_mode(coredev, smscore_registry_getmode(coredev->devpath)); - if (rc < 0) - { - printk ( KERN_INFO "%s set device mode faile , rc %d\n", __func__, rc ); + if (rc < 0) { + printk(KERN_INFO "%s set device mode faile , rc %d\n", __func__, rc); return rc; } @@ -463,7 +444,8 @@ int smscore_start_device(smscore_device_t *coredev) rc = smscore_notify_callbacks(coredev, coredev->device, 1); - printk(KERN_INFO "%s device %p started, rc %d\n", __func__, coredev, rc); + printk(KERN_INFO "%s device %p started, rc %d\n", + __func__, coredev, rc); kmutex_unlock(&g_smscore_deviceslock); @@ -471,44 +453,49 @@ int smscore_start_device(smscore_device_t *coredev) } int smscore_sendrequest_and_wait(smscore_device_t *coredev, void *buffer, - size_t size, struct completion *completion) + size_t size, struct completion *completion) { int rc = coredev->sendrequest_handler(coredev->context, buffer, size); - if (rc < 0) - { - printk(KERN_INFO "%s sendrequest returned error %d\n", __func__, rc); + if (rc < 0) { + printk(KERN_INFO "%s sendrequest returned error %d\n", + __func__, rc); return rc; } - return wait_for_completion_timeout(completion, msecs_to_jiffies(10000)) ? 0 : -ETIME; + return wait_for_completion_timeout(completion, + msecs_to_jiffies(10000)) ? + 0 : -ETIME; } -int smscore_load_firmware_family2(smscore_device_t *coredev, void *buffer, size_t size) +int smscore_load_firmware_family2(smscore_device_t *coredev, void *buffer, + size_t size) { - SmsFirmware_ST* firmware = (SmsFirmware_ST*) buffer; + SmsFirmware_ST *firmware = (SmsFirmware_ST *) buffer; SmsMsgHdr_ST *msg; UINT32 mem_address = firmware->StartAddress; u8 *payload = firmware->Payload; int rc = 0; - printk(KERN_INFO "%s loading FW to addr 0x%x size %d\n", __func__, mem_address,firmware->Length); - if (coredev->preload_handler) - { + printk(KERN_INFO "%s loading FW to addr 0x%x size %d\n", + __func__, 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 + /* PAGE_SIZE buffer shall be enough and dma aligned */ msg = (SmsMsgHdr_ST *) kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); if (!msg) return -ENOMEM; - if (coredev->mode != DEVICE_MODE_NONE) - { + if (coredev->mode != DEVICE_MODE_NONE) { PDEBUG("Sending reload command\n"); - SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, sizeof(SmsMsgHdr_ST)); - rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, &coredev->reload_start_done); + SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, + sizeof(SmsMsgHdr_ST)); + rc = smscore_sendrequest_and_wait(coredev, msg, + msg->msgLength, + &coredev->reload_start_done); mem_address = *(UINT32*) &payload[20]; } @@ -517,12 +504,15 @@ int smscore_load_firmware_family2(smscore_device_t *coredev, void *buffer, size_ SmsDataDownload_ST *DataMsg = (SmsDataDownload_ST *) msg; int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); - SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, (UINT16)(sizeof(SmsMsgHdr_ST) + sizeof(UINT32) + payload_size)); + SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, + (UINT16)(sizeof(SmsMsgHdr_ST) + + sizeof(UINT32) + 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) + 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); @@ -532,13 +522,13 @@ int smscore_load_firmware_family2(smscore_device_t *coredev, void *buffer, size_ mem_address += payload_size; } - if (rc >= 0) - { - if (coredev->mode == DEVICE_MODE_NONE) - { - SmsMsgData_ST* TriggerMsg = (SmsMsgData_ST*) msg; + if (rc >= 0) { + if (coredev->mode == DEVICE_MODE_NONE) { + SmsMsgData_ST *TriggerMsg = (SmsMsgData_ST *) msg; - SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, sizeof(SmsMsgHdr_ST) + sizeof(UINT32) * 5); + SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, + sizeof(SmsMsgHdr_ST) + + sizeof(UINT32) * 5); TriggerMsg->msgData[0] = firmware->StartAddress; // Entry point TriggerMsg->msgData[1] = 5; // Priority @@ -546,24 +536,23 @@ int smscore_load_firmware_family2(smscore_device_t *coredev, void *buffer, size_ TriggerMsg->msgData[3] = 0; // Parameter TriggerMsg->msgData[4] = 4; // Task ID - if (coredev->device_flags & SMS_ROM_NO_RESPONSE) - { + if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { rc = coredev->sendrequest_handler(coredev->context, TriggerMsg, TriggerMsg->xMsgHeader.msgLength); msleep(100); - } - else + } 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(SmsMsgHdr_ST)); + } else { + SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, + sizeof(SmsMsgHdr_ST)); - rc = coredev->sendrequest_handler(coredev->context, msg, msg->msgLength); + rc = coredev->sendrequest_handler(coredev->context, + msg, msg->msgLength); } - msleep ( 500 ); + msleep(500); } - printk("%s rc=%d, postload=%p \n", __func__, rc, coredev->postload_handler); + printk("%s rc=%d, postload=%p \n", __func__, rc, + coredev->postload_handler); kfree(msg); @@ -581,37 +570,39 @@ int smscore_load_firmware_family2(smscore_device_t *coredev, void *buffer, size_ * * @return 0 on success, <0 on error. */ -int smscore_load_firmware_from_file(smscore_device_t *coredev, char *filename, loadfirmware_t loadfirmware_handler) +int smscore_load_firmware_from_file(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)) + if (loadfirmware_handler == NULL && !(coredev->device_flags & + SMS_DEVICE_FAMILY2)) return -EINVAL; rc = request_firmware(&fw, filename, coredev->device); - if (rc < 0) - { - printk(KERN_INFO "%s failed to open \"%s\"\n", __func__, filename); + if (rc < 0) { + printk(KERN_INFO "%s failed to open \"%s\"\n", + __func__, filename); return rc; } - printk(KERN_INFO "%s read FW %s, size=%d\"\n", __func__, filename, fw->size); - fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), GFP_KERNEL | GFP_DMA); - if (fw_buffer) - { + printk(KERN_INFO "%s read FW %s, size=%d\"\n", __func__, + 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) : + smscore_load_firmware_family2(coredev, fw_buffer, fw->size) : loadfirmware_handler(coredev->context, fw_buffer, fw->size); kfree(fw_buffer); - } - else - { - printk(KERN_INFO "%s failed to allocate firmware buffer\n", __func__); + } else { + printk(KERN_INFO "%s failed to allocate firmware buffer\n", + __func__); rc = -ENOMEM; } @@ -620,7 +611,8 @@ int smscore_load_firmware_from_file(smscore_device_t *coredev, char *filename, l return rc; } -int smscore_load_firmware_from_buffer(smscore_device_t *coredev, u8 *buffer, int size, int new_mode) +int smscore_load_firmware_from_buffer(smscore_device_t *coredev, u8 *buffer, + int size, int new_mode) { PERROR("Feature not implemented yet\n"); return -EFAULT; @@ -644,32 +636,33 @@ void smscore_unregister_device(smscore_device_t *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 + /* at this point all buffers should be back + * onresponse must no longer be called */ - while (1) - { - while ((cb = smscore_getbuffer(coredev))) - { + while (1) { + while ((cb = smscore_getbuffer(coredev))) { kfree(cb); num_buffers ++; } if (num_buffers == coredev->num_buffers) break; - if (++retry > 10) - { - printk(KERN_INFO "%s exiting although not all buffers released.\n", __func__); + if (++retry > 10) { + printk(KERN_INFO "%s exiting although " + "not all buffers released.\n", __func__); break; } - printk(KERN_INFO "%s waiting for %d buffer(s)\n", __func__, coredev->num_buffers - num_buffers); + printk(KERN_INFO "%s waiting for %d buffer(s)\n", __func__, + coredev->num_buffers - num_buffers); msleep(100); } printk(KERN_INFO "%s freed %d buffers\n", __func__, num_buffers); if (coredev->common_buffer) - dma_free_coherent(NULL, coredev->common_buffer_size, coredev->common_buffer, coredev->common_buffer_phys); + dma_free_coherent(NULL, coredev->common_buffer_size, + coredev->common_buffer, + coredev->common_buffer_phys); list_del(&coredev->entry); kfree(coredev); @@ -681,7 +674,8 @@ void smscore_unregister_device(smscore_device_t *coredev) int smscore_detect_mode(smscore_device_t *coredev) { - void *buffer = kmalloc(sizeof(SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); + void *buffer = kmalloc(sizeof(SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, + GFP_KERNEL | GFP_DMA); SmsMsgHdr_ST *msg = (SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); int rc; @@ -690,20 +684,17 @@ int smscore_detect_mode(smscore_device_t *coredev) SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, sizeof(SmsMsgHdr_ST)); - rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, &coredev->version_ex_done); - if (rc == -ETIME) - { + rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, + &coredev->version_ex_done); + if (rc == -ETIME) { printk("%s: MSG_SMS_GET_VERSION_EX_REQ failed first try\n", __func__); - if (wait_for_completion_timeout(&coredev->resume_done, msecs_to_jiffies(5000))) - { + 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) - { printk("%s: MSG_SMS_GET_VERSION_EX_REQ failed second try, rc %d\n", __func__, rc); - } - } - else + } else rc = -ETIME; } @@ -712,17 +703,16 @@ int smscore_detect_mode(smscore_device_t *coredev) return rc; } -char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = -{ +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"} + /*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"} }; @@ -741,51 +731,44 @@ int smscore_set_device_mode(smscore_device_t *coredev, int mode) int rc = 0; sms_device_type_st type; - PDEBUG("set device mode to %d\n", mode ); - if (coredev->device_flags & SMS_DEVICE_FAMILY2) - { - if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) - { - printk(KERN_INFO "%s invalid mode specified %d\n", __func__, mode); + PDEBUG("set device mode to %d\n", mode); + if (coredev->device_flags & SMS_DEVICE_FAMILY2) { + if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) { + printk(KERN_INFO "%s invalid mode specified %d\n", + __func__, mode); return -EINVAL; } smscore_registry_setmode(coredev->devpath, mode); - if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) - { + if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { rc = smscore_detect_mode(coredev); - if (rc < 0) - { - printk(KERN_INFO "%s mode detect failed %d\n", __func__, rc); + if (rc < 0) { + printk(KERN_INFO "%s mode detect failed %d\n", + __func__, rc); return rc; - } + } } - if (coredev->mode == mode) - { - printk(KERN_INFO "%s device mode %d already set\n", __func__, mode); + if (coredev->mode == mode) { + printk(KERN_INFO "%s device mode %d already set\n", + __func__, mode); return 0; } - if (!(coredev->modes_supported & (1 << mode))) - { - type = smscore_registry_gettype ( coredev->devpath ); - rc = smscore_load_firmware_from_file ( coredev, smscore_fw_lkup[mode][type], NULL ); - if (rc < 0) - { + if (!(coredev->modes_supported & (1 << mode))) { + type = smscore_registry_gettype(coredev->devpath); + rc = smscore_load_firmware_from_file(coredev, smscore_fw_lkup[mode][type], NULL); + if (rc < 0) { printk(KERN_INFO "%s load firmware failed %d\n", __func__, rc); return rc; - } - } - else - { + } + } else printk(KERN_INFO "%s mode %d supported by running firmware\n", __func__, mode); - } - buffer = kmalloc(sizeof(SmsMsgData_ST) + SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); - if (buffer) - { + buffer = kmalloc(sizeof(SmsMsgData_ST) + SMS_DMA_ALIGNMENT, + GFP_KERNEL | GFP_DMA); + if (buffer) { SmsMsgData_ST *msg = (SmsMsgData_ST *) SMS_ALIGN_ADDRESS(buffer); SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, sizeof(SmsMsgData_ST)); @@ -794,32 +777,28 @@ int smscore_set_device_mode(smscore_device_t *coredev, int mode) rc = smscore_sendrequest_and_wait(coredev, msg, msg->xMsgHeader.msgLength, &coredev->init_device_done); kfree(buffer); - } - else - { + } else { printk(KERN_INFO "%s Could not allocate buffer for init device message.\n", __func__); rc = -ENOMEM; - } - } - else - { - if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) - { - printk(KERN_INFO "%s invalid mode specified %d\n", __func__, mode); + } + } else { + if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { + printk(KERN_INFO "%s invalid mode specified %d\n", + __func__, mode); return -EINVAL; } smscore_registry_setmode(coredev->devpath, mode); if (coredev->detectmode_handler) - coredev->detectmode_handler(coredev->context, &coredev->mode); + coredev->detectmode_handler(coredev->context, + &coredev->mode); if (coredev->mode != mode && coredev->setmode_handler) rc = coredev->setmode_handler(coredev->context, mode); } - if (rc >= 0) - { + if (rc >= 0) { coredev->mode = mode; coredev->device_flags &= ~SMS_DEVICE_NOT_READY; } @@ -847,7 +826,7 @@ int smscore_get_device_mode(smscore_device_t *coredev) * * @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 ) + * @param id client id (SMS_DONT_CARE for all id) * */ smscore_client_t *smscore_find_client(smscore_device_t *coredev, int data_type, int id) @@ -860,20 +839,21 @@ smscore_client_t *smscore_find_client(smscore_device_t *coredev, int data_type, spin_lock_irqsave(&coredev->clientslock, flags); first = &coredev->clients; - for (next = first->next; (next != first) && !client; next = next->next) - { - firstid = &((smscore_client_t*)next )->idlist; - for (nextid = firstid->next ; nextid != firstid ; nextid = nextid->next) - { + for (next = first->next; + (next != first) && !client; + next = next->next) { + firstid = &((smscore_client_t*)next)->idlist; + for (nextid = firstid->next; + nextid != firstid; + nextid = nextid->next) { if ((((smscore_idlist_t*)nextid)->id == id) && (((smscore_idlist_t*)nextid)->data_type == data_type || - (((smscore_idlist_t*)nextid)->data_type == 0))) - { - client = (smscore_client_t*) next; - break; + (((smscore_idlist_t*)nextid)->data_type == 0))) { + client = (smscore_client_t*) next; + break; + } } } - } spin_unlock_irqrestore(&coredev->clientslock, flags); return client; } @@ -889,7 +869,8 @@ smscore_client_t *smscore_find_client(smscore_device_t *coredev, int data_type, void smscore_onresponse(smscore_device_t *coredev, smscore_buffer_t *cb) { SmsMsgHdr_ST *phdr = (SmsMsgHdr_ST *)((u8 *) cb->p + cb->offset); - smscore_client_t *client = smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); + smscore_client_t *client = smscore_find_client(coredev, phdr->msgType, + phdr->msgDstId); int rc = -EBUSY; static unsigned long last_sample_time = 0; @@ -901,67 +882,62 @@ void smscore_onresponse(smscore_device_t *coredev, smscore_buffer_t *cb) if (time_now - last_sample_time > 10000) { - printk("\n%s data rate %d bytes/secs\n", __func__, (int)((data_total * 1000) / (time_now - last_sample_time))); + printk("\n%s data rate %d bytes/secs\n", __func__, + (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) -// client = smscore_find_client( coredev, 0, 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) + if (rc < 0) { + switch (phdr->msgType) { + case MSG_SMS_GET_VERSION_EX_RES: { - case MSG_SMS_GET_VERSION_EX_RES: - { - SmsVersionRes_ST *ver = (SmsVersionRes_ST*) phdr; - printk("%s: MSG_SMS_GET_VERSION_EX_RES id %d prots 0x%x ver %d.%d\n", __func__, 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: - printk("%s: MSG_SMS_INIT_DEVICE_RES\n", __func__); - complete(&coredev->init_device_done); - break; - - case MSG_SW_RELOAD_START_RES: - printk("%s: MSG_SW_RELOAD_START_RES\n", __func__); - complete(&coredev->reload_start_done); - break; - - case MSG_SMS_DATA_DOWNLOAD_RES: - complete(&coredev->data_download_done); - break; - - case MSG_SW_RELOAD_EXEC_RES: - printk("%s: MSG_SW_RELOAD_EXEC_RES\n", __func__); - break; + SmsVersionRes_ST *ver = (SmsVersionRes_ST *) phdr; + printk("%s: MSG_SMS_GET_VERSION_EX_RES id %d " + "prots 0x%x ver %d.%d\n", __func__, + ver->FirmwareId, ver->SupportedProtocols, + ver->RomVersionMajor, ver->RomVersionMinor); - case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: - printk("%s: MSG_SMS_SWDOWNLOAD_TRIGGER_RES\n", __func__); - complete(&coredev->trigger_done); - break; - - case MSG_SMS_SLEEP_RESUME_COMP_IND: - complete(&coredev->resume_done); - break; + coredev->mode = ver->FirmwareId == 255 ? + DEVICE_MODE_NONE : ver->FirmwareId; + coredev->modes_supported = ver->SupportedProtocols; - default: - //printk(KERN_INFO "%s no client (%p) or error (%d), type:%d dstid:%d\n", __func__, client, rc, phdr->msgType, phdr->msgDstId); - break; + complete(&coredev->version_ex_done); + break; + } + case MSG_SMS_INIT_DEVICE_RES: + printk("%s: MSG_SMS_INIT_DEVICE_RES\n", __func__); + complete(&coredev->init_device_done); + break; + case MSG_SW_RELOAD_START_RES: + printk("%s: MSG_SW_RELOAD_START_RES\n", __func__); + complete(&coredev->reload_start_done); + break; + case MSG_SMS_DATA_DOWNLOAD_RES: + complete(&coredev->data_download_done); + break; + case MSG_SW_RELOAD_EXEC_RES: + printk("%s: MSG_SW_RELOAD_EXEC_RES\n", __func__); + break; + case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: + printk("%s: MSG_SMS_SWDOWNLOAD_TRIGGER_RES\n", + __func__); + complete(&coredev->trigger_done); + break; + case MSG_SMS_SLEEP_RESUME_COMP_IND: + complete(&coredev->resume_done); + break; + default: + break; } - smscore_putbuffer(coredev, cb); } } @@ -980,8 +956,7 @@ smscore_buffer_t *smscore_getbuffer(smscore_device_t *coredev) spin_lock_irqsave(&coredev->bufferslock, flags); - if (!list_empty(&coredev->buffers)) - { + if (!list_empty(&coredev->buffers)) { cb = (smscore_buffer_t *) coredev->buffers.next; list_del(&cb->entry); } @@ -1003,35 +978,33 @@ void smscore_putbuffer(smscore_device_t *coredev, smscore_buffer_t *cb) list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); } -int smscore_validate_client(smscore_device_t *coredev, smscore_client_t *client, int data_type, int id) +int smscore_validate_client(smscore_device_t *coredev, + smscore_client_t *client, int data_type, int id) { smscore_idlist_t *listentry; smscore_client_t *registered_client; - if ( !client ) - { + if (!client) { PERROR("bad parameter.\n"); return -EFAULT; } registered_client = smscore_find_client(coredev, data_type, id); - if (registered_client == client) - { + if (registered_client == client) { return 0; } - if (registered_client) - { + if (registered_client) { PERROR("The msg ID already registered to another client.\n"); return -EEXIST; } - listentry = kzalloc ( sizeof ( smscore_idlist_t ), GFP_KERNEL ); - if ( !listentry ) - { + listentry = kzalloc(sizeof(smscore_idlist_t), GFP_KERNEL); + if (!listentry) { PERROR("Can't allocate memory for client id.\n"); return -ENOMEM; } listentry->id = id; listentry->data_type = data_type; - list_add_locked ( &listentry->entry, &client->idlist, &coredev->clientslock ); + list_add_locked(&listentry->entry, &client->idlist, + &coredev->clientslock); return 0; } @@ -1051,29 +1024,31 @@ int smscore_validate_client(smscore_device_t *coredev, smscore_client_t *client, int smscore_register_client(smscore_device_t *coredev, smsclient_params_t *params, smscore_client_t **client) { smscore_client_t *newclient; - // check that no other channel with same parameters exists - if (smscore_find_client(coredev, params->data_type, params->initial_id)) - { + /* check that no other channel with same parameters exists */ + if (smscore_find_client(coredev, params->data_type, + params->initial_id)) { PERROR("Client already exist.\n"); return -EEXIST; } newclient = kzalloc(sizeof(smscore_client_t), GFP_KERNEL); - if (!newclient) - { + if (!newclient) { PERROR("Failed to allocate memory for client.\n"); return -ENOMEM; } - INIT_LIST_HEAD ( &newclient->idlist); + 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); + list_add_locked(&newclient->entry, &coredev->clients, + &coredev->clientslock); + smscore_validate_client(coredev, newclient, params->data_type, + params->initial_id); *client = newclient; - PDEBUG ( "%p %d %d\n", params->context, params->data_type, params->initial_id ); + PDEBUG("%p %d %d\n", params->context, params->data_type, + params->initial_id); return 0; } @@ -1092,11 +1067,11 @@ void smscore_unregister_client(smscore_client_t *client) spin_lock_irqsave(&coredev->clientslock, flags); - while (!list_empty( &client->idlist)) - { - smscore_idlist_t *identry = (smscore_idlist_t*)client->idlist.next; - list_del ( &identry->entry ); - kfree ( identry ); + while (!list_empty(&client->idlist)) { + smscore_idlist_t *identry = + (smscore_idlist_t*) client->idlist.next; + list_del(&identry->entry); + kfree(identry); } printk(KERN_INFO "%s %p\n", __func__, client->context); @@ -1123,22 +1098,21 @@ int smsclient_sendrequest(smscore_client_t *client, void *buffer, size_t size) SmsMsgHdr_ST *phdr = (SmsMsgHdr_ST *) buffer; int rc; - if ( client == NULL ) - { - printk(KERN_ERR "%s Got NULL client\n", __func__ ); + if (client == NULL) { + printk(KERN_ERR "%s Got NULL client\n", __func__); return -EINVAL; } coredev = client->coredev; - // check that no other channel with same id exists - if ( coredev == NULL ) - { - printk(KERN_ERR "%s Got NULL coredev\n", __func__ ); + /* check that no other channel with same id exists */ + if (coredev == NULL) { + printk(KERN_ERR "%s Got NULL coredev\n", __func__); return -EINVAL; } - rc = smscore_validate_client(client->coredev, client, 0, phdr->msgSrcId); + rc = smscore_validate_client(client->coredev, client, 0, + phdr->msgSrcId); if (rc < 0) return rc; @@ -1168,21 +1142,25 @@ int smscore_get_common_buffer_size(smscore_device_t *coredev) int smscore_map_common_buffer(smscore_device_t *coredev, struct vm_area_struct *vma) { - unsigned long end = vma->vm_end, start = vma->vm_start, size = PAGE_ALIGN(coredev->common_buffer_size); + unsigned long end = vma->vm_end, + start = vma->vm_start, + size = PAGE_ALIGN(coredev->common_buffer_size); - if (!(vma->vm_flags & (VM_READ | VM_SHARED)) || (vma->vm_flags & VM_WRITE)) - { + if (!(vma->vm_flags & (VM_READ | VM_SHARED)) || + (vma->vm_flags & VM_WRITE)) { printk(KERN_INFO "%s invalid vm flags\n", __func__); return -EINVAL; } - if ((end - start) != size) - { - printk(KERN_INFO "%s invalid size %d expected %d\n", __func__, (int)(end - start), (int) size); + if ((end - start) != size) { + printk(KERN_INFO "%s invalid size %d expected %d\n", + __func__, (int)(end - start), (int) size); return -EINVAL; } - if (remap_pfn_range(vma, start, coredev->common_buffer_phys >> PAGE_SHIFT, size, pgprot_noncached(vma->vm_page_prot))) + if (remap_pfn_range(vma, start, + coredev->common_buffer_phys >> PAGE_SHIFT, + size, pgprot_noncached(vma->vm_page_prot))) { printk(KERN_INFO "%s remap_page_range failed\n", __func__); return -EAGAIN; @@ -1217,9 +1195,9 @@ void smscore_module_exit(void) { kmutex_lock(&g_smscore_deviceslock); - while (!list_empty(&g_smscore_notifyees)) - { - smscore_device_notifyee_t *notifyee = (smscore_device_notifyee_t *) g_smscore_notifyees.next; + while (!list_empty(&g_smscore_notifyees)) { + smscore_device_notifyee_t *notifyee = + (smscore_device_notifyee_t *) g_smscore_notifyees.next; list_del(¬ifyee->entry); kfree(notifyee); @@ -1227,9 +1205,9 @@ void smscore_module_exit(void) kmutex_unlock(&g_smscore_deviceslock); kmutex_lock(&g_smscore_registrylock); - while (!list_empty(&g_smscore_registry)) - { - smscore_registry_entry_t *entry = (smscore_registry_entry_t *) g_smscore_registry.next; + while (!list_empty(&g_smscore_registry)) { + smscore_registry_entry_t *entry = + (smscore_registry_entry_t *) g_smscore_registry.next; list_del(&entry->entry); kfree(entry); @@ -1249,6 +1227,5 @@ module_init(smscore_module_init); module_exit(smscore_module_exit); MODULE_DESCRIPTION("smscore"); -MODULE_AUTHOR ( "Siano Mobile Silicon,,, (doronc@siano-ms.com)" ); +MODULE_AUTHOR("Siano Mobile Silicon,,, (doronc@siano-ms.com)"); MODULE_LICENSE("GPL"); - |