summaryrefslogtreecommitdiff
path: root/drivers/media/common/siano/smscoreapi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/common/siano/smscoreapi.c')
-rw-r--r--drivers/media/common/siano/smscoreapi.c108
1 files changed, 44 insertions, 64 deletions
diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c
index add9d6361914..3732367e0c62 100644
--- a/drivers/media/common/siano/smscoreapi.c
+++ b/drivers/media/common/siano/smscoreapi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Siano core API module
*
@@ -6,15 +7,6 @@
* 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.
*/
#include "smscoreapi.h"
@@ -238,8 +230,8 @@ static char *siano_msgs[] = {
[MSG_SMS_FLASH_DL_REQ - MSG_TYPE_BASE_VAL] = "MSG_SMS_FLASH_DL_REQ",
[MSG_SMS_EXEC_TEST_1_REQ - MSG_TYPE_BASE_VAL] = "MSG_SMS_EXEC_TEST_1_REQ",
[MSG_SMS_EXEC_TEST_1_RES - MSG_TYPE_BASE_VAL] = "MSG_SMS_EXEC_TEST_1_RES",
- [MSG_SMS_ENBALE_TS_INTERFACE_REQ - MSG_TYPE_BASE_VAL] = "MSG_SMS_ENBALE_TS_INTERFACE_REQ",
- [MSG_SMS_ENBALE_TS_INTERFACE_RES - MSG_TYPE_BASE_VAL] = "MSG_SMS_ENBALE_TS_INTERFACE_RES",
+ [MSG_SMS_ENABLE_TS_INTERFACE_REQ - MSG_TYPE_BASE_VAL] = "MSG_SMS_ENABLE_TS_INTERFACE_REQ",
+ [MSG_SMS_ENABLE_TS_INTERFACE_RES - MSG_TYPE_BASE_VAL] = "MSG_SMS_ENABLE_TS_INTERFACE_RES",
[MSG_SMS_SPI_SET_BUS_WIDTH_REQ - MSG_TYPE_BASE_VAL] = "MSG_SMS_SPI_SET_BUS_WIDTH_REQ",
[MSG_SMS_SPI_SET_BUS_WIDTH_RES - MSG_TYPE_BASE_VAL] = "MSG_SMS_SPI_SET_BUS_WIDTH_RES",
[MSG_SMS_SEND_EMM_REQ - MSG_TYPE_BASE_VAL] = "MSG_SMS_SEND_EMM_REQ",
@@ -422,10 +414,10 @@ struct smscore_registry_entry_t {
static struct list_head g_smscore_notifyees;
static struct list_head g_smscore_devices;
-static struct mutex g_smscore_deviceslock;
+static DEFINE_MUTEX(g_smscore_deviceslock);
static struct list_head g_smscore_registry;
-static struct mutex g_smscore_registrylock;
+static DEFINE_MUTEX(g_smscore_registrylock);
static int default_mode = DEVICE_MODE_NONE;
@@ -437,13 +429,13 @@ 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);
+ mutex_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 (!strncmp(entry->devpath, devpath, sizeof(entry->devpath))) {
- kmutex_unlock(&g_smscore_registrylock);
+ mutex_unlock(&g_smscore_registrylock);
return entry;
}
}
@@ -454,7 +446,7 @@ static struct smscore_registry_entry_t *smscore_find_registry(char *devpath)
list_add(&entry->entry, &g_smscore_registry);
} else
pr_err("failed to create smscore_registry.\n");
- kmutex_unlock(&g_smscore_registrylock);
+ mutex_unlock(&g_smscore_registrylock);
return entry;
}
@@ -535,7 +527,7 @@ int smscore_register_hotplug(hotplug_t hotplug)
struct list_head *next, *first;
int rc = 0;
- kmutex_lock(&g_smscore_deviceslock);
+ mutex_lock(&g_smscore_deviceslock);
notifyee = kmalloc(sizeof(*notifyee), GFP_KERNEL);
if (notifyee) {
/* now notify callback about existing devices */
@@ -556,7 +548,7 @@ int smscore_register_hotplug(hotplug_t hotplug)
} else
rc = -ENOMEM;
- kmutex_unlock(&g_smscore_deviceslock);
+ mutex_unlock(&g_smscore_deviceslock);
return rc;
}
@@ -572,7 +564,7 @@ void smscore_unregister_hotplug(hotplug_t hotplug)
{
struct list_head *next, *first;
- kmutex_lock(&g_smscore_deviceslock);
+ mutex_lock(&g_smscore_deviceslock);
first = &g_smscore_notifyees;
@@ -587,7 +579,7 @@ void smscore_unregister_hotplug(hotplug_t hotplug)
}
}
- kmutex_unlock(&g_smscore_deviceslock);
+ mutex_unlock(&g_smscore_deviceslock);
}
EXPORT_SYMBOL_GPL(smscore_unregister_hotplug);
@@ -740,9 +732,9 @@ int smscore_register_device(struct smsdevice_params_t *params,
smscore_registry_settype(dev->devpath, params->device_type);
/* add device to devices list */
- kmutex_lock(&g_smscore_deviceslock);
+ mutex_lock(&g_smscore_deviceslock);
list_add(&dev->entry, &g_smscore_devices);
- kmutex_unlock(&g_smscore_deviceslock);
+ mutex_unlock(&g_smscore_deviceslock);
*coredev = dev;
@@ -847,7 +839,7 @@ static int smscore_configure_board(struct smscore_device_t *coredev)
mtu_msg.x_msg_header.msg_flags = 0;
mtu_msg.x_msg_header.msg_type = MSG_SMS_SET_MAX_TX_MSG_LEN_REQ;
mtu_msg.x_msg_header.msg_length = sizeof(mtu_msg);
- mtu_msg.msg_data[0] = board->mtu;
+ mtu_msg.msg_data = board->mtu;
coredev->sendrequest_handler(coredev->context, &mtu_msg,
sizeof(mtu_msg));
@@ -860,7 +852,7 @@ static int smscore_configure_board(struct smscore_device_t *coredev)
SMS_INIT_MSG(&crys_msg.x_msg_header,
MSG_SMS_NEW_CRYSTAL_REQ,
sizeof(crys_msg));
- crys_msg.msg_data[0] = board->crystal;
+ crys_msg.msg_data = board->crystal;
coredev->sendrequest_handler(coredev->context, &crys_msg,
sizeof(crys_msg));
@@ -898,14 +890,14 @@ int smscore_start_device(struct smscore_device_t *coredev)
return rc;
}
- kmutex_lock(&g_smscore_deviceslock);
+ mutex_lock(&g_smscore_deviceslock);
rc = smscore_notify_callbacks(coredev, coredev->device, 1);
smscore_init_ir(coredev);
pr_debug("device %p started, rc %d\n", coredev, rc);
- kmutex_unlock(&g_smscore_deviceslock);
+ mutex_unlock(&g_smscore_deviceslock);
return rc;
}
@@ -916,7 +908,7 @@ static int smscore_load_firmware_family2(struct smscore_device_t *coredev,
void *buffer, size_t size)
{
struct sms_firmware *firmware = (struct sms_firmware *) buffer;
- struct sms_msg_data4 *msg;
+ struct sms_msg_data5 *msg;
u32 mem_address, calc_checksum = 0;
u32 i, *ptr;
u8 *payload = firmware->payload;
@@ -997,24 +989,20 @@ static int smscore_load_firmware_family2(struct smscore_device_t *coredev,
goto exit_fw_download;
if (coredev->mode == DEVICE_MODE_NONE) {
- struct sms_msg_data *trigger_msg =
- (struct sms_msg_data *) msg;
-
pr_debug("sending MSG_SMS_SWDOWNLOAD_TRIGGER_REQ\n");
SMS_INIT_MSG(&msg->x_msg_header,
MSG_SMS_SWDOWNLOAD_TRIGGER_REQ,
- sizeof(struct sms_msg_hdr) +
- sizeof(u32) * 5);
+ sizeof(*msg));
- trigger_msg->msg_data[0] = firmware->start_address;
+ msg->msg_data[0] = firmware->start_address;
/* Entry point */
- trigger_msg->msg_data[1] = 6; /* Priority */
- trigger_msg->msg_data[2] = 0x200; /* Stack size */
- trigger_msg->msg_data[3] = 0; /* Parameter */
- trigger_msg->msg_data[4] = 4; /* Task ID */
+ msg->msg_data[1] = 6; /* Priority */
+ msg->msg_data[2] = 0x200; /* Stack size */
+ msg->msg_data[3] = 0; /* Parameter */
+ msg->msg_data[4] = 4; /* Task ID */
- rc = smscore_sendrequest_and_wait(coredev, trigger_msg,
- trigger_msg->x_msg_header.msg_length,
+ rc = smscore_sendrequest_and_wait(coredev, msg,
+ msg->x_msg_header.msg_length,
&coredev->trigger_done);
} else {
SMS_INIT_MSG(&msg->x_msg_header, MSG_SW_RELOAD_EXEC_REQ,
@@ -1144,8 +1132,7 @@ static char *smscore_get_fw_filename(struct smscore_device_t *coredev,
* return: 0 on success, <0 on error.
*/
static int smscore_load_firmware_from_file(struct smscore_device_t *coredev,
- int mode,
- loadfirmware_t loadfirmware_handler)
+ int mode)
{
int rc = -ENOENT;
u8 *fw_buf;
@@ -1159,8 +1146,7 @@ static int smscore_load_firmware_from_file(struct smscore_device_t *coredev,
}
pr_debug("Firmware name: %s\n", fw_filename);
- if (!loadfirmware_handler &&
- !(coredev->device_flags & SMS_DEVICE_FAMILY2))
+ if (!(coredev->device_flags & SMS_DEVICE_FAMILY2))
return -EINVAL;
rc = request_firmware(&fw, fw_filename, coredev->device);
@@ -1178,10 +1164,8 @@ static int smscore_load_firmware_from_file(struct smscore_device_t *coredev,
memcpy(fw_buf, fw->data, fw->size);
fw_buf_size = fw->size;
- rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ?
- smscore_load_firmware_family2(coredev, fw_buf, fw_buf_size)
- : loadfirmware_handler(coredev->context, fw_buf,
- fw_buf_size);
+ rc = smscore_load_firmware_family2(coredev, fw_buf,
+ fw_buf_size);
}
kfree(fw_buf);
@@ -1205,7 +1189,7 @@ void smscore_unregister_device(struct smscore_device_t *coredev)
int num_buffers = 0;
int retry = 0;
- kmutex_lock(&g_smscore_deviceslock);
+ mutex_lock(&g_smscore_deviceslock);
/* Release input device (IR) resources */
sms_ir_exit(coredev);
@@ -1232,9 +1216,9 @@ void smscore_unregister_device(struct smscore_device_t *coredev)
pr_debug("waiting for %d buffer(s)\n",
coredev->num_buffers - num_buffers);
- kmutex_unlock(&g_smscore_deviceslock);
+ mutex_unlock(&g_smscore_deviceslock);
msleep(100);
- kmutex_lock(&g_smscore_deviceslock);
+ mutex_lock(&g_smscore_deviceslock);
}
pr_debug("freed %d buffers\n", num_buffers);
@@ -1253,7 +1237,7 @@ void smscore_unregister_device(struct smscore_device_t *coredev)
list_del(&coredev->entry);
kfree(coredev);
- kmutex_unlock(&g_smscore_deviceslock);
+ mutex_unlock(&g_smscore_deviceslock);
pr_debug("device %p destroyed\n", coredev);
}
@@ -1318,7 +1302,7 @@ static int smscore_init_device(struct smscore_device_t *coredev, int mode)
msg = (struct sms_msg_data *)SMS_ALIGN_ADDRESS(buffer);
SMS_INIT_MSG(&msg->x_msg_header, MSG_SMS_INIT_DEVICE_REQ,
sizeof(struct sms_msg_data));
- msg->msg_data[0] = mode;
+ msg->msg_data = mode;
rc = smscore_sendrequest_and_wait(coredev, msg,
msg->x_msg_header. msg_length,
@@ -1365,8 +1349,7 @@ int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
}
if (!(coredev->modes_supported & (1 << mode))) {
- rc = smscore_load_firmware_from_file(coredev,
- mode, NULL);
+ rc = smscore_load_firmware_from_file(coredev, mode);
if (rc >= 0)
pr_debug("firmware download success\n");
} else {
@@ -1406,7 +1389,7 @@ int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
SMS_INIT_MSG(&msg->x_msg_header, MSG_SMS_INIT_DEVICE_REQ,
sizeof(struct sms_msg_data));
- msg->msg_data[0] = mode;
+ msg->msg_data = mode;
rc = smscore_sendrequest_and_wait(
coredev, msg, msg->x_msg_header.msg_length,
@@ -1566,7 +1549,7 @@ void smscore_onresponse(struct smscore_device_t *coredev,
struct sms_msg_data *validity = (struct sms_msg_data *) phdr;
pr_debug("MSG_SMS_DATA_VALIDITY_RES, checksum = 0x%x\n",
- validity->msg_data[0]);
+ validity->msg_data);
complete(&coredev->data_validity_done);
break;
}
@@ -2131,17 +2114,14 @@ static int __init smscore_module_init(void)
{
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 0;
}
static void __exit smscore_module_exit(void)
{
- kmutex_lock(&g_smscore_deviceslock);
+ mutex_lock(&g_smscore_deviceslock);
while (!list_empty(&g_smscore_notifyees)) {
struct smscore_device_notifyee_t *notifyee =
(struct smscore_device_notifyee_t *)
@@ -2150,9 +2130,9 @@ static void __exit smscore_module_exit(void)
list_del(&notifyee->entry);
kfree(notifyee);
}
- kmutex_unlock(&g_smscore_deviceslock);
+ mutex_unlock(&g_smscore_deviceslock);
- kmutex_lock(&g_smscore_registrylock);
+ mutex_lock(&g_smscore_registrylock);
while (!list_empty(&g_smscore_registry)) {
struct smscore_registry_entry_t *entry =
(struct smscore_registry_entry_t *)
@@ -2161,7 +2141,7 @@ static void __exit smscore_module_exit(void)
list_del(&entry->entry);
kfree(entry);
}
- kmutex_unlock(&g_smscore_registrylock);
+ mutex_unlock(&g_smscore_registrylock);
pr_debug("\n");
}
@@ -2170,7 +2150,7 @@ 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_AUTHOR("Siano Mobile Silicon, Inc. <uris@siano-ms.com>");
MODULE_LICENSE("GPL");
/* This should match what's defined at smscoreapi.h */
generated by cgit (git 2.34.1) at 2025-12-25 03:13:35 +0000