summaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb/siano/smscoreapi.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@redhat.com>2012-06-14 16:35:56 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 23:26:31 -0300
commit786baecfe78f8e25547c628b48a60fc8e5636056 (patch)
treebb4101ce010f55cbbfc6d93ee13b44b496a028cc /drivers/media/dvb/siano/smscoreapi.c
parent616300bd51bee80d2d122c205866aa4c20adbaa8 (diff)
downloadblackbird-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.c1637
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(&notifyee->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(&notifyee->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(&notifyee->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");
OpenPOWER on IntegriCloud