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path: root/drivers/media/common/siano/smscoreapi.c
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Diffstat (limited to 'drivers/media/common/siano/smscoreapi.c')
-rw-r--r--drivers/media/common/siano/smscoreapi.c444
1 files changed, 211 insertions, 233 deletions
diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c
index a142f7942a01..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
*
@@ -6,21 +7,10 @@
* 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 "smscoreapi.h"
+
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -34,14 +24,9 @@
#include <linux/wait.h>
#include <asm/byteorder.h>
-#include "smscoreapi.h"
#include "sms-cards.h"
#include "smsir.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;
@@ -245,8 +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",
@@ -422,17 +407,17 @@ EXPORT_SYMBOL_GPL(smscore_get_board_id);
struct smscore_registry_entry_t {
struct list_head entry;
- char devpath[32];
- int mode;
+ 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 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;
@@ -444,24 +429,24 @@ 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 (!strcmp(entry->devpath, devpath)) {
- kmutex_unlock(&g_smscore_registrylock);
+ if (!strncmp(entry->devpath, devpath, sizeof(entry->devpath))) {
+ mutex_unlock(&g_smscore_registrylock);
return entry;
}
}
- entry = kmalloc(sizeof(struct smscore_registry_entry_t), GFP_KERNEL);
+ entry = kmalloc(sizeof(*entry), GFP_KERNEL);
if (entry) {
entry->mode = default_mode;
- strcpy(entry->devpath, devpath);
+ strscpy(entry->devpath, devpath, sizeof(entry->devpath));
list_add(&entry->entry, &g_smscore_registry);
} else
- sms_err("failed to create smscore_registry.");
- kmutex_unlock(&g_smscore_registrylock);
+ pr_err("failed to create smscore_registry.\n");
+ mutex_unlock(&g_smscore_registrylock);
return entry;
}
@@ -473,7 +458,7 @@ int smscore_registry_getmode(char *devpath)
if (entry)
return entry->mode;
else
- sms_err("No registry found.");
+ pr_err("No registry found.\n");
return default_mode;
}
@@ -487,7 +472,7 @@ static enum sms_device_type_st smscore_registry_gettype(char *devpath)
if (entry)
return entry->type;
else
- sms_err("No registry found.");
+ pr_err("No registry found.\n");
return -EINVAL;
}
@@ -500,7 +485,7 @@ static void smscore_registry_setmode(char *devpath, int mode)
if (entry)
entry->mode = mode;
else
- sms_err("No registry found.");
+ pr_err("No registry found.\n");
}
static void smscore_registry_settype(char *devpath,
@@ -512,7 +497,7 @@ static void smscore_registry_settype(char *devpath,
if (entry)
entry->type = type;
else
- sms_err("No registry found.");
+ pr_err("No registry found.\n");
}
@@ -528,13 +513,13 @@ static void list_add_locked(struct list_head *new, struct list_head *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.
+ * return: 0 on success, <0 on error.
*/
int smscore_register_hotplug(hotplug_t hotplug)
{
@@ -542,10 +527,8 @@ int smscore_register_hotplug(hotplug_t hotplug)
struct list_head *next, *first;
int rc = 0;
- kmutex_lock(&g_smscore_deviceslock);
-
- notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t),
- GFP_KERNEL);
+ mutex_lock(&g_smscore_deviceslock);
+ notifyee = kmalloc(sizeof(*notifyee), GFP_KERNEL);
if (notifyee) {
/* now notify callback about existing devices */
first = &g_smscore_devices;
@@ -565,13 +548,13 @@ int smscore_register_hotplug(hotplug_t hotplug)
} else
rc = -ENOMEM;
- kmutex_unlock(&g_smscore_deviceslock);
+ mutex_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
@@ -581,7 +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;
@@ -596,7 +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);
@@ -634,20 +617,19 @@ smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer,
{
struct smscore_buffer_t *cb;
- cb = kzalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL);
- if (!cb) {
- sms_info("kzalloc(...) failed");
+ cb = kzalloc(sizeof(*cb), GFP_KERNEL);
+ if (!cb)
return NULL;
- }
cb->p = buffer;
cb->offset_in_common = buffer - (u8 *) common_buffer;
- cb->phys = common_buffer_phys + cb->offset_in_common;
+ if (common_buffer_phys)
+ 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.
*
@@ -655,19 +637,24 @@ smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer,
* and handlers
* @param coredev pointer to a value that receives created coredev object
*
- * @return 0 on success, <0 on error.
+ * 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 **coredev,
+ gfp_t gfp_buf_flags,
+ void *mdev)
{
struct smscore_device_t *dev;
u8 *buffer;
- dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL);
- if (!dev) {
- sms_info("kzalloc(...) failed");
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (!dev)
return -ENOMEM;
- }
+
+#ifdef CONFIG_MEDIA_CONTROLLER_DVB
+ dev->media_dev = mdev;
+#endif
+ dev->gfp_buf_flags = gfp_buf_flags;
/* init list entry so it could be safe in smscore_unregister_device */
INIT_LIST_HEAD(&dev->entry);
@@ -698,17 +685,21 @@ int smscore_register_device(struct smsdevice_params_t *params,
/* 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) {
+ if (params->usb_device)
+ buffer = kzalloc(dev->common_buffer_size, GFP_KERNEL);
+ else
+ buffer = dma_alloc_coherent(params->device,
+ dev->common_buffer_size,
+ &dev->common_buffer_phys,
+ GFP_KERNEL | dev->gfp_buf_flags);
+ if (!buffer) {
smscore_unregister_device(dev);
return -ENOMEM;
}
+ dev->common_buffer = buffer;
/* prepare dma buffers */
- for (buffer = dev->common_buffer;
- dev->num_buffers < params->num_buffers;
+ for (; dev->num_buffers < params->num_buffers;
dev->num_buffers++, buffer += params->buffer_size) {
struct smscore_buffer_t *cb;
@@ -722,12 +713,13 @@ int smscore_register_device(struct smsdevice_params_t *params,
smscore_putbuffer(dev, cb);
}
- sms_info("allocated %d buffers", dev->num_buffers);
+ pr_debug("allocated %d buffers\n", dev->num_buffers);
dev->mode = DEVICE_MODE_NONE;
dev->board_id = SMS_BOARD_UNKNOWN;
dev->context = params->context;
dev->device = params->device;
+ dev->usb_device = params->usb_device;
dev->setmode_handler = params->setmode_handler;
dev->detectmode_handler = params->detectmode_handler;
dev->sendrequest_handler = params->sendrequest_handler;
@@ -735,18 +727,18 @@ int smscore_register_device(struct smsdevice_params_t *params,
dev->postload_handler = params->postload_handler;
dev->device_flags = params->flags;
- strcpy(dev->devpath, params->devpath);
+ strscpy(dev->devpath, params->devpath, sizeof(dev->devpath));
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;
- sms_info("device %p created", dev);
+ pr_debug("device %p created\n", dev);
return 0;
}
@@ -757,13 +749,13 @@ static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev,
void *buffer, size_t size, struct completion *completion) {
int rc;
- if (completion == NULL)
+ if (!completion)
return -EINVAL;
init_completion(completion);
rc = coredev->sendrequest_handler(coredev->context, buffer, size);
if (rc < 0) {
- sms_info("sendrequest returned error %d", rc);
+ pr_info("sendrequest returned error %d\n", rc);
return rc;
}
@@ -772,10 +764,10 @@ static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev,
0 : -ETIME;
}
-/**
+/*
* Starts & enables IR operations
*
- * @return 0 on success, < 0 on error.
+ * return: 0 on success, < 0 on error.
*/
static int smscore_init_ir(struct smscore_device_t *coredev)
{
@@ -786,15 +778,15 @@ static int smscore_init_ir(struct smscore_device_t *coredev)
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");
+ pr_debug("IR loading\n");
rc = sms_ir_init(coredev);
if (rc != 0)
- sms_err("Error initialization DTV IR sub-module");
+ pr_err("Error initialization DTV IR sub-module\n");
else {
buffer = kmalloc(sizeof(struct sms_msg_data2) +
SMS_DMA_ALIGNMENT,
- GFP_KERNEL | GFP_DMA);
+ GFP_KERNEL | coredev->gfp_buf_flags);
if (buffer) {
struct sms_msg_data2 *msg =
(struct sms_msg_data2 *)
@@ -812,22 +804,21 @@ static int smscore_init_ir(struct smscore_device_t *coredev)
kfree(buffer);
} else
- sms_err
- ("Sending IR initialization message failed");
+ pr_err("Sending IR initialization message failed\n");
}
} else
- sms_info("IR port has not been detected");
+ pr_info("IR port has not been detected\n");
return 0;
}
-/**
+/*
* configures device features according to board configuration structure.
*
* @param coredev pointer to a coredev object returned by
* smscore_register_device
*
- * @return 0 on success, <0 on error.
+ * return: 0 on success, <0 on error.
*/
static int smscore_configure_board(struct smscore_device_t *coredev)
{
@@ -835,20 +826,20 @@ static int smscore_configure_board(struct smscore_device_t *coredev)
board = sms_get_board(coredev->board_id);
if (!board) {
- sms_err("no board configuration exist.");
+ pr_err("no board configuration exist.\n");
return -EINVAL;
}
if (board->mtu) {
struct sms_msg_data mtu_msg;
- sms_debug("set max transmit unit %d", board->mtu);
+ pr_debug("set max transmit unit %d\n", board->mtu);
mtu_msg.x_msg_header.msg_src_id = 0;
mtu_msg.x_msg_header.msg_dst_id = HIF_TASK;
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));
@@ -856,12 +847,12 @@ static int smscore_configure_board(struct smscore_device_t *coredev)
if (board->crystal) {
struct sms_msg_data crys_msg;
- sms_debug("set crystal value %d", board->crystal);
+ pr_debug("set crystal value %d\n", board->crystal);
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));
@@ -870,13 +861,13 @@ static int smscore_configure_board(struct smscore_device_t *coredev)
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.
+ * return: 0 on success, <0 on error.
*/
int smscore_start_device(struct smscore_device_t *coredev)
{
@@ -890,23 +881,23 @@ int smscore_start_device(struct smscore_device_t *coredev)
rc = smscore_set_device_mode(coredev, mode);
if (rc < 0) {
- sms_info("set device mode faile , rc %d", rc);
+ pr_info("set device mode failed , rc %d\n", rc);
return rc;
}
rc = smscore_configure_board(coredev);
if (rc < 0) {
- sms_info("configure board failed , rc %d", rc);
+ pr_info("configure board failed , rc %d\n", rc);
return rc;
}
- kmutex_lock(&g_smscore_deviceslock);
+ mutex_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);
+ pr_debug("device %p started, rc %d\n", coredev, rc);
- kmutex_unlock(&g_smscore_deviceslock);
+ mutex_unlock(&g_smscore_deviceslock);
return rc;
}
@@ -917,17 +908,17 @@ 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;
int rc = 0;
- firmware->start_address = le32_to_cpu(firmware->start_address);
- firmware->length = le32_to_cpu(firmware->length);
+ firmware->start_address = le32_to_cpup((__le32 *)&firmware->start_address);
+ firmware->length = le32_to_cpup((__le32 *)&firmware->length);
mem_address = firmware->start_address;
- sms_info("loading FW to addr 0x%x size %d",
+ pr_debug("loading FW to addr 0x%x size %d\n",
mem_address, firmware->length);
if (coredev->preload_handler) {
rc = coredev->preload_handler(coredev->context);
@@ -936,19 +927,19 @@ static int smscore_load_firmware_family2(struct smscore_device_t *coredev,
}
/* PAGE_SIZE buffer shall be enough and dma aligned */
- msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
+ msg = kmalloc(PAGE_SIZE, GFP_KERNEL | coredev->gfp_buf_flags);
if (!msg)
return -ENOMEM;
if (coredev->mode != DEVICE_MODE_NONE) {
- sms_debug("sending reload command.");
+ pr_debug("sending reload command.\n");
SMS_INIT_MSG(&msg->x_msg_header, MSG_SW_RELOAD_START_REQ,
sizeof(struct sms_msg_hdr));
rc = smscore_sendrequest_and_wait(coredev, msg,
msg->x_msg_header.msg_length,
&coredev->reload_start_done);
if (rc < 0) {
- sms_err("device reload failed, rc %d", rc);
+ pr_err("device reload failed, rc %d\n", rc);
goto exit_fw_download;
}
mem_address = *(u32 *) &payload[20];
@@ -982,7 +973,7 @@ static int smscore_load_firmware_family2(struct smscore_device_t *coredev,
if (rc < 0)
goto exit_fw_download;
- sms_err("sending MSG_SMS_DATA_VALIDITY_REQ expecting 0x%x",
+ pr_debug("sending MSG_SMS_DATA_VALIDITY_REQ expecting 0x%x\n",
calc_checksum);
SMS_INIT_MSG(&msg->x_msg_header, MSG_SMS_DATA_VALIDITY_REQ,
sizeof(msg->x_msg_header) +
@@ -998,24 +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;
-
- sms_debug("sending MSG_SMS_SWDOWNLOAD_TRIGGER_REQ");
+ 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,
@@ -1037,12 +1024,13 @@ exit_fw_download:
kfree(msg);
if (coredev->postload_handler) {
- sms_debug("rc=%d, postload=0x%p", rc, coredev->postload_handler);
+ pr_debug("rc=%d, postload=0x%p\n",
+ rc, coredev->postload_handler);
if (rc >= 0)
return coredev->postload_handler(coredev->context);
}
- sms_debug("rc=%d", rc);
+ pr_debug("rc=%d\n", rc);
return rc;
}
@@ -1095,7 +1083,7 @@ static char *smscore_fw_lkup[][DEVICE_MODE_MAX] = {
},
};
-/**
+/*
* get firmware file name from one of the two mechanisms : sms_boards or
* smscore_fw_lkup.
* @param coredev pointer to a coredev object returned by
@@ -1104,7 +1092,7 @@ static char *smscore_fw_lkup[][DEVICE_MODE_MAX] = {
* @param lookup if 1, always get the fw filename from smscore_fw_lkup
* table. if 0, try first to get from sms_boards
*
- * @return 0 on success, <0 on error.
+ * return: 0 on success, <0 on error.
*/
static char *smscore_get_fw_filename(struct smscore_device_t *coredev,
int mode)
@@ -1121,11 +1109,11 @@ static char *smscore_get_fw_filename(struct smscore_device_t *coredev,
if (mode <= DEVICE_MODE_NONE || mode >= DEVICE_MODE_MAX)
return NULL;
- sms_debug("trying to get fw name from sms_boards board_id %d mode %d",
+ pr_debug("trying to get fw name from sms_boards board_id %d mode %d\n",
board_id, mode);
fw = sms_get_board(board_id)->fw;
if (!fw || !fw[mode]) {
- sms_debug("cannot find fw name in sms_boards, getting from lookup table mode %d type %d",
+ pr_debug("cannot find fw name in sms_boards, getting from lookup table mode %d type %d\n",
mode, type);
return smscore_fw_lkup[type][mode];
}
@@ -1133,7 +1121,7 @@ static char *smscore_get_fw_filename(struct smscore_device_t *coredev,
return fw[mode];
}
-/**
+/*
* loads specified firmware into a buffer and calls device loadfirmware_handler
*
* @param coredev pointer to a coredev object returned by
@@ -1141,11 +1129,10 @@ static char *smscore_get_fw_filename(struct smscore_device_t *coredev,
* @param filename null-terminated string specifies firmware file name
* @param loadfirmware_handler device handler that loads firmware
*
- * @return 0 on success, <0 on error.
+ * 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;
@@ -1154,34 +1141,31 @@ static int smscore_load_firmware_from_file(struct smscore_device_t *coredev,
char *fw_filename = smscore_get_fw_filename(coredev, mode);
if (!fw_filename) {
- sms_err("mode %d not supported on this device", mode);
+ pr_err("mode %d not supported on this device\n", mode);
return -ENOENT;
}
- sms_debug("Firmware name: %s", fw_filename);
+ pr_debug("Firmware name: %s\n", fw_filename);
- if (loadfirmware_handler == NULL && !(coredev->device_flags
- & SMS_DEVICE_FAMILY2))
+ if (!(coredev->device_flags & SMS_DEVICE_FAMILY2))
return -EINVAL;
rc = request_firmware(&fw, fw_filename, coredev->device);
if (rc < 0) {
- sms_err("failed to open firmware file \"%s\"", fw_filename);
+ pr_err("failed to open firmware file '%s'\n", fw_filename);
return rc;
}
- sms_info("read fw %s, buffer size=0x%zx", fw_filename, fw->size);
- fw_buf = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT),
- GFP_KERNEL | GFP_DMA);
+ pr_debug("read fw %s, buffer size=0x%zx\n", fw_filename, fw->size);
+ fw_buf = kmalloc(ALIGN(fw->size + sizeof(struct sms_firmware),
+ SMS_ALLOC_ALIGNMENT), GFP_KERNEL | coredev->gfp_buf_flags);
if (!fw_buf) {
- sms_err("failed to allocate firmware buffer");
+ pr_err("failed to allocate firmware buffer\n");
rc = -ENOMEM;
} else {
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);
@@ -1190,14 +1174,14 @@ static int smscore_load_firmware_from_file(struct smscore_device_t *coredev,
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.
+ * return: 0 on success, <0 on error.
*/
void smscore_unregister_device(struct smscore_device_t *coredev)
{
@@ -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);
@@ -1226,38 +1210,43 @@ void smscore_unregister_device(struct smscore_device_t *coredev)
if (num_buffers == coredev->num_buffers)
break;
if (++retry > 10) {
- sms_info("exiting although not all buffers released.");
+ pr_info("exiting although not all buffers released.\n");
break;
}
- sms_info("waiting for %d buffer(s)",
+ 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);
}
- 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);
+ pr_debug("freed %d buffers\n", num_buffers);
+ if (coredev->common_buffer) {
+ if (coredev->usb_device)
+ kfree(coredev->common_buffer);
+ else
+ dma_free_coherent(coredev->device,
+ coredev->common_buffer_size,
+ coredev->common_buffer,
+ coredev->common_buffer_phys);
+ }
kfree(coredev->fw_buf);
list_del(&coredev->entry);
kfree(coredev);
- kmutex_unlock(&g_smscore_deviceslock);
+ mutex_unlock(&g_smscore_deviceslock);
- sms_info("device %p destroyed", coredev);
+ pr_debug("device %p destroyed\n", coredev);
}
EXPORT_SYMBOL_GPL(smscore_unregister_device);
static int smscore_detect_mode(struct smscore_device_t *coredev)
{
void *buffer = kmalloc(sizeof(struct sms_msg_hdr) + SMS_DMA_ALIGNMENT,
- GFP_KERNEL | GFP_DMA);
+ GFP_KERNEL | coredev->gfp_buf_flags);
struct sms_msg_hdr *msg =
(struct sms_msg_hdr *) SMS_ALIGN_ADDRESS(buffer);
int rc;
@@ -1271,7 +1260,7 @@ static int smscore_detect_mode(struct smscore_device_t *coredev)
rc = smscore_sendrequest_and_wait(coredev, msg, msg->msg_length,
&coredev->version_ex_done);
if (rc == -ETIME) {
- sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try");
+ pr_err("MSG_SMS_GET_VERSION_EX_REQ failed first try\n");
if (wait_for_completion_timeout(&coredev->resume_done,
msecs_to_jiffies(5000))) {
@@ -1279,7 +1268,7 @@ static int smscore_detect_mode(struct smscore_device_t *coredev)
coredev, msg, msg->msg_length,
&coredev->version_ex_done);
if (rc < 0)
- sms_err("MSG_SMS_GET_VERSION_EX_REQ failed second try, rc %d",
+ pr_err("MSG_SMS_GET_VERSION_EX_REQ failed second try, rc %d\n",
rc);
} else
rc = -ETIME;
@@ -1290,14 +1279,14 @@ static int smscore_detect_mode(struct smscore_device_t *coredev)
return rc;
}
-/**
+/*
* send init device request and wait for response
*
* @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.
+ * return: 0 on success, <0 on error.
*/
static int smscore_init_device(struct smscore_device_t *coredev, int mode)
{
@@ -1306,16 +1295,14 @@ static int smscore_init_device(struct smscore_device_t *coredev, int mode)
int rc = 0;
buffer = kmalloc(sizeof(struct sms_msg_data) +
- SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA);
- if (!buffer) {
- sms_err("Could not allocate buffer for init device message.");
+ SMS_DMA_ALIGNMENT, GFP_KERNEL | coredev->gfp_buf_flags);
+ if (!buffer)
return -ENOMEM;
- }
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,
@@ -1325,7 +1312,7 @@ static int smscore_init_device(struct smscore_device_t *coredev, int mode)
return rc;
}
-/**
+/*
* calls device handler to change mode of operation
* NOTE: stellar/usb may disconnect when changing mode
*
@@ -1333,16 +1320,16 @@ static int smscore_init_device(struct smscore_device_t *coredev, int mode)
* smscore_register_device
* @param mode requested mode of operation
*
- * @return 0 on success, <0 on error.
+ * return: 0 on success, <0 on error.
*/
int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
{
int rc = 0;
- sms_debug("set device mode to %d", mode);
+ pr_debug("set device mode to %d\n", mode);
if (coredev->device_flags & SMS_DEVICE_FAMILY2) {
if (mode <= DEVICE_MODE_NONE || mode >= DEVICE_MODE_MAX) {
- sms_err("invalid mode specified %d", mode);
+ pr_err("invalid mode specified %d\n", mode);
return -EINVAL;
}
@@ -1351,33 +1338,32 @@ int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) {
rc = smscore_detect_mode(coredev);
if (rc < 0) {
- sms_err("mode detect failed %d", rc);
+ pr_err("mode detect failed %d\n", rc);
return rc;
}
}
if (coredev->mode == mode) {
- sms_info("device mode %d already set", mode);
+ pr_debug("device mode %d already set\n", mode);
return 0;
}
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)
- sms_info("firmware download success");
+ pr_debug("firmware download success\n");
} else {
- sms_info("mode %d is already supported by running firmware",
+ pr_debug("mode %d is already supported by running firmware\n",
mode);
}
if (coredev->fw_version >= 0x800) {
rc = smscore_init_device(coredev, mode);
if (rc < 0)
- sms_err("device init failed, rc %d.", rc);
+ pr_err("device init failed, rc %d.\n", rc);
}
} else {
if (mode <= DEVICE_MODE_NONE || mode >= DEVICE_MODE_MAX) {
- sms_err("invalid mode specified %d", mode);
+ pr_err("invalid mode specified %d\n", mode);
return -EINVAL;
}
@@ -1397,13 +1383,13 @@ int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
coredev->device_flags &= ~SMS_DEVICE_NOT_READY;
buffer = kmalloc(sizeof(struct sms_msg_data) +
- SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA);
+ SMS_DMA_ALIGNMENT, GFP_KERNEL | coredev->gfp_buf_flags);
if (buffer) {
struct sms_msg_data *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,
@@ -1414,20 +1400,20 @@ int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
}
if (rc < 0)
- sms_err("return error code %d.", rc);
+ pr_err("return error code %d.\n", rc);
else
- sms_debug("Success setting device mode.");
+ pr_debug("Success setting device mode.\n");
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
+ * return: current mode
*/
int smscore_get_device_mode(struct smscore_device_t *coredev)
{
@@ -1435,7 +1421,7 @@ int smscore_get_device_mode(struct smscore_device_t *coredev)
}
EXPORT_SYMBOL_GPL(smscore_get_device_mode);
-/**
+/*
* find client by response id & type within the clients list.
* return client handle or NULL.
*
@@ -1472,7 +1458,7 @@ found:
return client;
}
-/**
+/*
* find client by response id/type, call clients onresponse handler
* return buffer to pool on error
*
@@ -1495,7 +1481,7 @@ void smscore_onresponse(struct smscore_device_t *coredev,
last_sample_time = time_now;
if (time_now - last_sample_time > 10000) {
- sms_debug("data rate %d bytes/secs",
+ pr_debug("data rate %d bytes/secs\n",
(int)((data_total * 1000) /
(time_now - last_sample_time)));
@@ -1539,7 +1525,7 @@ void smscore_onresponse(struct smscore_device_t *coredev,
{
struct sms_version_res *ver =
(struct sms_version_res *) phdr;
- sms_debug("Firmware id %d prots 0x%x ver %d.%d",
+ pr_debug("Firmware id %d prots 0x%x ver %d.%d\n",
ver->firmware_id, ver->supported_protocols,
ver->rom_ver_major, ver->rom_ver_minor);
@@ -1562,8 +1548,8 @@ void smscore_onresponse(struct smscore_device_t *coredev,
{
struct sms_msg_data *validity = (struct sms_msg_data *) phdr;
- sms_err("MSG_SMS_DATA_VALIDITY_RES, checksum = 0x%x",
- validity->msg_data[0]);
+ pr_debug("MSG_SMS_DATA_VALIDITY_RES, checksum = 0x%x\n",
+ validity->msg_data);
complete(&coredev->data_validity_done);
break;
}
@@ -1588,7 +1574,7 @@ void smscore_onresponse(struct smscore_device_t *coredev,
{
u32 *msgdata = (u32 *) phdr;
coredev->gpio_get_res = msgdata[1];
- sms_debug("gpio level %d",
+ pr_debug("gpio level %d\n",
coredev->gpio_get_res);
complete(&coredev->gpio_get_level_done);
break;
@@ -1615,7 +1601,7 @@ void smscore_onresponse(struct smscore_device_t *coredev,
break;
default:
- sms_debug("message %s(%d) not handled.",
+ pr_debug("message %s(%d) not handled.\n",
smscore_translate_msg(phdr->msg_type),
phdr->msg_type);
break;
@@ -1625,13 +1611,13 @@ void smscore_onresponse(struct smscore_device_t *coredev,
}
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.
+ * return: pointer to descriptor on success, NULL on error.
*/
static struct smscore_buffer_t *get_entry(struct smscore_device_t *coredev)
@@ -1658,7 +1644,7 @@ struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev)
}
EXPORT_SYMBOL_GPL(smscore_getbuffer);
-/**
+/*
* return buffer descriptor to a pool
*
* @param coredev pointer to a coredev object returned by
@@ -1681,7 +1667,7 @@ static int smscore_validate_client(struct smscore_device_t *coredev,
struct smscore_client_t *registered_client;
if (!client) {
- sms_err("bad parameter.");
+ pr_err("bad parameter.\n");
return -EINVAL;
}
registered_client = smscore_find_client(coredev, data_type, id);
@@ -1689,14 +1675,13 @@ static int smscore_validate_client(struct smscore_device_t *coredev,
return 0;
if (registered_client) {
- sms_err("The msg ID already registered to another client.");
+ pr_err("The msg ID already registered to another client.\n");
return -EEXIST;
}
- listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL);
- if (!listentry) {
- sms_err("Can't allocate memory for client id.");
+ listentry = kzalloc(sizeof(*listentry), GFP_KERNEL);
+ if (!listentry)
return -ENOMEM;
- }
+
listentry->id = id;
listentry->data_type = data_type;
list_add_locked(&listentry->entry, &client->idlist,
@@ -1704,7 +1689,7 @@ static int smscore_validate_client(struct smscore_device_t *coredev,
return 0;
}
-/**
+/*
* creates smsclient object, check that id is taken by another client
*
* @param coredev pointer to a coredev object from clients hotplug
@@ -1716,7 +1701,7 @@ static int smscore_validate_client(struct smscore_device_t *coredev,
* @param context client-specific context
* @param client pointer to a value that receives created smsclient object
*
- * @return 0 on success, <0 on error.
+ * return: 0 on success, <0 on error.
*/
int smscore_register_client(struct smscore_device_t *coredev,
struct smsclient_params_t *params,
@@ -1726,15 +1711,13 @@ int smscore_register_client(struct smscore_device_t *coredev,
/* 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.");
+ pr_err("Client already exist.\n");
return -EEXIST;
}
- newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL);
- if (!newclient) {
- sms_err("Failed to allocate memory for client.");
+ newclient = kzalloc(sizeof(*newclient), GFP_KERNEL);
+ if (!newclient)
return -ENOMEM;
- }
INIT_LIST_HEAD(&newclient->idlist);
newclient->coredev = coredev;
@@ -1746,14 +1729,14 @@ int smscore_register_client(struct smscore_device_t *coredev,
smscore_validate_client(coredev, newclient, params->data_type,
params->initial_id);
*client = newclient;
- sms_debug("%p %d %d", params->context, params->data_type,
+ pr_debug("%p %d %d\n", 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
@@ -1775,7 +1758,7 @@ void smscore_unregister_client(struct smscore_client_t *client)
kfree(identry);
}
- sms_info("%p", client->context);
+ pr_debug("%p\n", client->context);
list_del(&client->entry);
kfree(client);
@@ -1784,7 +1767,7 @@ void smscore_unregister_client(struct smscore_client_t *client)
}
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
*
@@ -1793,7 +1776,7 @@ EXPORT_SYMBOL_GPL(smscore_unregister_client);
* @param buffer pointer to a request buffer
* @param size size (in bytes) of request buffer
*
- * @return 0 on success, <0 on error.
+ * return: 0 on success, <0 on error.
*/
int smsclient_sendrequest(struct smscore_client_t *client,
void *buffer, size_t size)
@@ -1802,16 +1785,16 @@ int smsclient_sendrequest(struct smscore_client_t *client,
struct sms_msg_hdr *phdr = (struct sms_msg_hdr *) buffer;
int rc;
- if (client == NULL) {
- sms_err("Got NULL client");
+ if (!client) {
+ pr_err("Got NULL client\n");
return -EINVAL;
}
coredev = client->coredev;
/* check that no other channel with same id exists */
- if (coredev == NULL) {
- sms_err("Got NULL coredev");
+ if (!coredev) {
+ pr_err("Got NULL coredev\n");
return -EINVAL;
}
@@ -1967,13 +1950,13 @@ int smscore_gpio_configure(struct smscore_device_t *coredev, u8 pin_num,
if (pin_num > MAX_GPIO_PIN_NUMBER)
return -EINVAL;
- if (p_gpio_config == NULL)
+ if (!p_gpio_config)
return -EINVAL;
total_len = sizeof(struct sms_msg_hdr) + (sizeof(u32) * 6);
buffer = kmalloc(total_len + SMS_DMA_ALIGNMENT,
- GFP_KERNEL | GFP_DMA);
+ GFP_KERNEL | coredev->gfp_buf_flags);
if (!buffer)
return -ENOMEM;
@@ -2016,9 +1999,9 @@ int smscore_gpio_configure(struct smscore_device_t *coredev, u8 pin_num,
if (rc != 0) {
if (rc == -ETIME)
- sms_err("smscore_gpio_configure timeout");
+ pr_err("smscore_gpio_configure timeout\n");
else
- sms_err("smscore_gpio_configure error");
+ pr_err("smscore_gpio_configure error\n");
}
free:
kfree(buffer);
@@ -2045,7 +2028,7 @@ int smscore_gpio_set_level(struct smscore_device_t *coredev, u8 pin_num,
(3 * sizeof(u32)); /* keep it 3 ! */
buffer = kmalloc(total_len + SMS_DMA_ALIGNMENT,
- GFP_KERNEL | GFP_DMA);
+ GFP_KERNEL | coredev->gfp_buf_flags);
if (!buffer)
return -ENOMEM;
@@ -2065,9 +2048,9 @@ int smscore_gpio_set_level(struct smscore_device_t *coredev, u8 pin_num,
if (rc != 0) {
if (rc == -ETIME)
- sms_err("smscore_gpio_set_level timeout");
+ pr_err("smscore_gpio_set_level timeout\n");
else
- sms_err("smscore_gpio_set_level error");
+ pr_err("smscore_gpio_set_level error\n");
}
kfree(buffer);
@@ -2093,7 +2076,7 @@ int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 pin_num,
total_len = sizeof(struct sms_msg_hdr) + (2 * sizeof(u32));
buffer = kmalloc(total_len + SMS_DMA_ALIGNMENT,
- GFP_KERNEL | GFP_DMA);
+ GFP_KERNEL | coredev->gfp_buf_flags);
if (!buffer)
return -ENOMEM;
@@ -2113,9 +2096,9 @@ int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 pin_num,
if (rc != 0) {
if (rc == -ETIME)
- sms_err("smscore_gpio_get_level timeout");
+ pr_err("smscore_gpio_get_level timeout\n");
else
- sms_err("smscore_gpio_get_level error");
+ pr_err("smscore_gpio_get_level error\n");
}
kfree(buffer);
@@ -2129,21 +2112,16 @@ int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 pin_num,
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;
+ 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 *)
@@ -2152,9 +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 *)
@@ -2163,16 +2141,16 @@ static void __exit smscore_module_exit(void)
list_del(&entry->entry);
kfree(entry);
}
- kmutex_unlock(&g_smscore_registrylock);
+ mutex_unlock(&g_smscore_registrylock);
- sms_debug("");
+ pr_debug("\n");
}
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 09:01:16 +0000