#include "smscoreapi.h"
+#define PERROR(fmt, args...) printk( KERN_ERR "smscore error: line %d- %s(): " fmt,__LINE__, __func__, ## args)
+
+#ifdef SMSCORE_DEBUG
+
+#undef PWARNING
+# define PWARNING(fmt, args...) printk( KERN_INFO "smscore warning: line %d- %s(): " fmt,__LINE__, __func__, ## args)
+#undef PDEBUG /* undef it, just in case */
+# define PDEBUG(fmt, args...) printk( KERN_INFO "smscore - %s(): " fmt, __func__, ## args)
+
+#else /*SMSCORE_DEBUG*/
+
+#define PDEBUG(fmt, args...)
+#define PWARNING(fmt, args...)
+
+#endif
+
+
typedef struct _smscore_device_notifyee
{
struct list_head entry;
hotplug_t hotplug;
} smscore_device_notifyee_t;
+typedef struct _smscore_subclient
+{
+ struct list_head entry;
+ int id;
+ int data_type;
+} smscore_idlist_t;
+
typedef struct _smscore_client
{
struct list_head entry;
smscore_device_t *coredev;
-
void *context;
-
- int data_type;
-
+ struct list_head idlist;
onresponse_t onresponse_handler;
onremove_t onremove_handler;
} *psmscore_client_t;
-typedef struct _smscore_subclient
-{
- struct list_head entry;
- smscore_client_t *client;
- int id;
-} smscore_subclient_t;
typedef struct _smscore_device
{
struct list_head entry;
char devpath[32];
int mode;
+ sms_device_type_st type;
} smscore_registry_entry_t;
struct list_head g_smscore_notifyees;
kmutex_t g_smscore_registrylock;
static int default_mode = 1;
+
module_param(default_mode, int, 0644);
MODULE_PARM_DESC(default_mode, "default firmware id (device mode)");
-int smscore_registry_getmode(char *devpath)
+static smscore_registry_entry_t *smscore_find_registry ( char *devpath )
{
smscore_registry_entry_t *entry;
struct list_head *next;
kmutex_lock(&g_smscore_registrylock);
-
for (next = g_smscore_registry.next; next != &g_smscore_registry; next = next->next)
{
entry = (smscore_registry_entry_t *) next;
-
if (!strcmp(entry->devpath, devpath))
{
kmutex_unlock(&g_smscore_registrylock);
- return entry->mode;
+ return entry;
}
}
-
entry = (smscore_registry_entry_t *) kmalloc(sizeof(smscore_registry_entry_t), GFP_KERNEL);
if (entry)
{
entry->mode = default_mode;
strcpy(entry->devpath, devpath);
-
list_add(&entry->entry, &g_smscore_registry);
}
-
+ else
+ printk ( KERN_ERR "%s failed to create smscore_registry.\n", __func__ );
kmutex_unlock(&g_smscore_registrylock);
+ return entry;
+}
+int smscore_registry_getmode ( char *devpath )
+{
+ smscore_registry_entry_t *entry;
+
+ entry = smscore_find_registry ( devpath );
+ if ( entry )
+ {
+ return entry->mode;
+ }
+ else
+ {
+ printk ( KERN_ERR "%s No registry found.\n", __func__ );
+ }
return default_mode;
}
-void smscore_registry_setmode(char *devpath, int mode)
+sms_device_type_st smscore_registry_gettype ( char *devpath )
{
smscore_registry_entry_t *entry;
- struct list_head *next;
- kmutex_lock(&g_smscore_registrylock);
+ entry = smscore_find_registry ( devpath );
+ if ( entry )
+ {
+ return entry->type;
+ }
+ else
+ {
+ printk ( KERN_ERR "%s No registry found.\n", __func__ );
+ }
+ return -1;
+}
- for (next = g_smscore_registry.next; next != &g_smscore_registry; next = next->next)
+void smscore_registry_setmode ( char *devpath, int mode )
{
- entry = (smscore_registry_entry_t *) next;
+ smscore_registry_entry_t *entry;
- if (!strcmp(entry->devpath, devpath))
+ entry = smscore_find_registry ( devpath );
+ if ( entry )
{
entry->mode = mode;
- break;
+ }
+ else
+ {
+ printk ( KERN_ERR "%s No registry found.\n", __func__ );
}
}
- kmutex_unlock(&g_smscore_registrylock);
+void smscore_registry_settype ( char *devpath, sms_device_type_st type )
+{
+ smscore_registry_entry_t *entry;
+
+ entry = smscore_find_registry ( devpath );
+ if ( entry )
+ {
+ entry->type = type;
+ }
+ else
+ {
+ printk ( KERN_ERR "%s No registry found.\n", __func__ );
+}
}
+
void list_add_locked(struct list_head *new, struct list_head *head,
spinlock_t *lock)
{
// init queues
INIT_LIST_HEAD(&dev->clients);
- INIT_LIST_HEAD(&dev->subclients);
INIT_LIST_HEAD(&dev->buffers);
// init locks
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);
{
int rc = smscore_set_device_mode(coredev, smscore_registry_getmode(coredev->devpath));
if (rc < 0)
+ {
+ printk ( KERN_INFO "%s set device mode faile , rc %d\n", __func__, rc );
return rc;
+ }
kmutex_lock(&g_smscore_deviceslock);
{
int rc = coredev->sendrequest_handler(coredev->context, buffer, size);
if (rc < 0)
+ {
+ printk(KERN_INFO "%s sendrequest returned error %d\n", __func__, rc);
return rc;
+ }
- return wait_for_completion_timeout(completion, msecs_to_jiffies(1000)) ? 0 : -ETIME;
+ return wait_for_completion_timeout(completion, msecs_to_jiffies(10000)) ? 0 : -ETIME;
}
int smscore_load_firmware_family2(smscore_device_t *coredev, void *buffer, size_t size)
u8 *payload = firmware->Payload;
int rc = 0;
+ printk(KERN_INFO "%s loading FW to addr 0x%x size %d\n", __func__, mem_address,firmware->Length);
if (coredev->preload_handler)
{
rc = coredev->preload_handler(coredev->context);
if (coredev->mode != DEVICE_MODE_NONE)
{
+ PDEBUG("Sending reload command\n");
SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, sizeof(SmsMsgHdr_ST));
rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, &coredev->reload_start_done);
mem_address = *(UINT32*) &payload[20];
rc = coredev->sendrequest_handler(coredev->context, msg, msg->msgLength);
}
+ msleep ( 500 );
}
- printk("%s %d \n", __func__, rc);
+ printk("%s rc=%d, postload=%p \n", __func__, rc, coredev->postload_handler);
kfree(msg);
- return (rc >= 0 && coredev->postload_handler) ?
+ return ((rc >= 0) && coredev->postload_handler) ?
coredev->postload_handler(coredev->context) :
rc;
}
*
* @return 0 on success, <0 on error.
*/
-int smscore_load_firmware(smscore_device_t *coredev, char *filename,
- loadfirmware_t loadfirmware_handler)
+int smscore_load_firmware_from_file(smscore_device_t *coredev, char *filename, loadfirmware_t loadfirmware_handler)
{
int rc = -ENOENT;
printk(KERN_INFO "%s failed to open \"%s\"\n", __func__, filename);
return rc;
}
-
+ printk(KERN_INFO "%s read FW %s, size=%d\"\n", __func__, filename, fw->size);
fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), GFP_KERNEL | GFP_DMA);
if (fw_buffer)
{
return rc;
}
+int smscore_load_firmware_from_buffer(smscore_device_t *coredev, u8* buffer, int size, int new_mode)
+{
+ PERROR("Feature not implemented yet\n");
+ return -EFAULT;
+}
+
/**
* notifies all clients registered with the device, notifies hotplugs, frees all buffers and coredev object
*
{
smscore_buffer_t *cb;
int num_buffers = 0;
+ int retry = 0;
kmutex_lock(&g_smscore_deviceslock);
kfree(cb);
num_buffers ++;
}
-
if (num_buffers == coredev->num_buffers)
break;
+ if (++retry > 10)
+ {
+ printk(KERN_INFO "%s exiting although not all buffers released.\n", __func__);
+ break;
+ }
printk(KERN_INFO "%s waiting for %d buffer(s)\n", __func__, coredev->num_buffers - num_buffers);
msleep(100);
return rc;
}
-char *smscore_fw_lkup[] =
+char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] =
{
- "dvb_nova_12mhz.inp",
- "dvb_nova_12mhz.inp",
- "tdmb_nova.inp",
- "none",
- "dvb_nova_12mhz.inp",
- "isdbt_nova_12mhz.inp",
- "isdbt_nova_12mhz.inp",
- "cmmb_nova_12mhz.inp",
- "none",
+ /*Stellar NOVA A0 Nova B0 VEGA*/
+ /*DVBT*/ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
+ /*DVBH*/ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
+ /*TDMB*/ {"none", "tdmb_nova_12mhz.inp", "none" "none"},
+ /*DABIP*/ {"none", "none", "none", "none"},
+ /*BDA*/ {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
+ /*ISDBT*/ {"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"},
+ /*ISDBTBDA*/{"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"},
+ /*CMMB*/ {"none", "none", "none", "cmmb_vega_12mhz.inp"}
};
+
/**
* calls device handler to change mode of operation
* NOTE: stellar/usb may disconnect when changing mode
{
void *buffer;
int rc = 0;
+ sms_device_type_st type;
+ PDEBUG("set device mode to %d\n", mode );
if (coredev->device_flags & SMS_DEVICE_FAMILY2)
{
if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER)
return -EINVAL;
}
+ smscore_registry_setmode(coredev->devpath, mode);
+
if (!(coredev->device_flags & SMS_DEVICE_NOT_READY))
{
rc = smscore_detect_mode(coredev);
if (rc < 0)
+ {
+ printk(KERN_INFO "%s mode detect failed %d\n", __func__, rc);
return rc;
}
+ }
if (coredev->mode == mode)
{
if (!(coredev->modes_supported & (1 << mode)))
{
- rc = smscore_load_firmware(coredev, smscore_fw_lkup[mode], NULL);
+ type = smscore_registry_gettype ( coredev->devpath );
+ rc = smscore_load_firmware_from_file ( coredev, smscore_fw_lkup[mode][type], NULL );
if (rc < 0)
+ {
+ printk(KERN_INFO "%s load firmware failed %d\n", __func__, rc);
return rc;
}
+ }
else
{
printk(KERN_INFO "%s mode %d supported by running firmware\n", __func__, mode);
kfree(buffer);
}
else
+ {
+ printk(KERN_INFO "%s Could not allocate buffer for init device message.\n", __func__);
rc = -ENOMEM;
}
+ }
else
{
+ if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA)
+ {
+ printk(KERN_INFO "%s invalid mode specified %d\n", __func__, mode);
+ return -EINVAL;
+ }
+
+ smscore_registry_setmode(coredev->devpath, mode);
+
if (coredev->detectmode_handler)
coredev->detectmode_handler(coredev->context, &coredev->mode);
rc = coredev->setmode_handler(coredev->context, mode);
}
- smscore_registry_setmode(coredev->devpath, mode);
-
if (rc >= 0)
{
coredev->mode = mode;
coredev->device_flags &= ~SMS_DEVICE_NOT_READY;
}
+ if (rc != 0)
+ printk(KERN_INFO "%s return error code %d.\n", __func__, rc);
return rc;
}
return coredev->mode;
}
-smscore_client_t *smscore_getclient_by_type(smscore_device_t *coredev,
- int data_type)
+/**
+ * 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 )
+ *
+ */
+smscore_client_t *smscore_find_client(smscore_device_t *coredev, int data_type, int id)
{
smscore_client_t *client = NULL;
struct list_head *next, *first;
unsigned long flags;
+ struct list_head *firstid, *nextid;
- if (!data_type)
- return NULL;
spin_lock_irqsave(&coredev->clientslock, flags);
-
first = &coredev->clients;
-
- for (next = first->next; next != first; next = next->next)
+ for (next = first->next; (next != first) && !client; next = next->next)
+ {
+ firstid = &((smscore_client_t*)next )->idlist;
+ for (nextid = firstid->next ; nextid != firstid ; nextid = nextid->next)
{
- if (((smscore_client_t*) next)->data_type == data_type)
+ if ((((smscore_idlist_t*)nextid)->id == id) &&
+ (((smscore_idlist_t*)nextid)->data_type == data_type ||
+ (((smscore_idlist_t*)nextid)->data_type == 0)))
{
client = (smscore_client_t*) next;
break;
}
}
-
- spin_unlock_irqrestore(&coredev->clientslock, flags);
-
- return client;
-}
-
-smscore_client_t *smscore_getclient_by_id(smscore_device_t *coredev, int id)
-{
- smscore_client_t *client = NULL;
- struct list_head *next, *first;
- unsigned long flags;
-
- spin_lock_irqsave(&coredev->clientslock, flags);
-
- first = &coredev->subclients;
-
- for (next = first->next; next != first; next = next->next)
- {
- if (((smscore_subclient_t*) next)->id == id)
- {
- client = ((smscore_subclient_t*) next)->client;
- break;
- }
}
-
spin_unlock_irqrestore(&coredev->clientslock, flags);
-
return client;
}
void smscore_onresponse(smscore_device_t *coredev, smscore_buffer_t *cb)
{
SmsMsgHdr_ST *phdr = (SmsMsgHdr_ST *)((u8*) cb->p + cb->offset);
- smscore_client_t *client = smscore_getclient_by_type(coredev,
- phdr->msgType);
+ smscore_client_t *client = smscore_find_client(coredev, phdr->msgType, phdr->msgDstId);
int rc = -EBUSY;
static unsigned long last_sample_time = 0;
}
data_total += cb->size;
-
- if (!client)
- client = smscore_getclient_by_id(coredev, phdr->msgDstId);
-
+ /* If no client registered for type & id, check for control client where type is not registered*/
+// if (!client)
+// client = smscore_find_client( coredev, 0, phdr->msgDstId);
if (client)
rc = client->onresponse_handler(client->context, cb);
break;
default:
- printk(KERN_INFO "%s no client (%p) or error (%d), type:%d dstid:%d\n", __func__, client, rc, phdr->msgType, phdr->msgDstId);
+ //printk(KERN_INFO "%s no client (%p) or error (%d), type:%d dstid:%d\n", __func__, client, rc, phdr->msgType, phdr->msgDstId);
+ break;
}
smscore_putbuffer(coredev, cb);
list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock);
}
-int smscore_validate_client(smscore_device_t *coredev, smscore_client_t *client, int id)
+int smscore_validate_client(smscore_device_t *coredev, smscore_client_t *client, int data_type, int id)
{
- smscore_client_t *existing_client;
- smscore_subclient_t *subclient;
+ smscore_idlist_t *listentry;
+ smscore_client_t *registered_client;
- if (!id)
- return 0;
-
- existing_client = smscore_getclient_by_id(coredev, id);
- if (existing_client == client)
+ if ( !client )
+ {
+ PERROR("bad parameter.\n");
+ return -EFAULT;
+ }
+ registered_client = smscore_find_client(coredev, data_type, id);
+ if (registered_client == client)
+ {
return 0;
-
- if (existing_client)
- return -EBUSY;
-
- subclient = kzalloc(sizeof(smscore_subclient_t), GFP_KERNEL);
- if (!subclient)
+ }
+ if (registered_client)
+ {
+ PERROR("The msg ID already registered to another client.\n");
+ return -EEXIST;
+ }
+ listentry = kzalloc ( sizeof ( smscore_idlist_t ), GFP_KERNEL );
+ if ( !listentry )
+ {
+ PERROR("Can't allocate memory for client id.\n");
return -ENOMEM;
-
- subclient->client = client;
- subclient->id = id;
-
- list_add_locked(&subclient->entry, &coredev->subclients, &coredev->clientslock);
-
+ }
+ listentry->id = id;
+ listentry->data_type = data_type;
+ list_add_locked ( &listentry->entry, &client->idlist, &coredev->clientslock );
return 0;
}
int smscore_register_client(smscore_device_t *coredev, smsclient_params_t *params, smscore_client_t **client)
{
smscore_client_t *newclient;
- int rc;
-
- // check that no other channel with same data type exists
- if (params->data_type && smscore_getclient_by_type(coredev, params->data_type))
+ // check that no other channel with same parameters exists
+ if (smscore_find_client(coredev, params->data_type, params->initial_id))
+ {
+ PERROR("Client already exist.\n");
return -EEXIST;
+ }
newclient = kzalloc(sizeof(smscore_client_t), GFP_KERNEL);
if (!newclient)
- return -ENOMEM;
-
- // check that no other channel with same id exists
- rc = smscore_validate_client(coredev, newclient, params->initial_id);
- if (rc < 0)
{
- kfree(newclient);
- return rc;
+ PERROR("Failed to allocate memory for client.\n");
+ return -ENOMEM;
}
+ INIT_LIST_HEAD ( &newclient->idlist);
newclient->coredev = coredev;
- newclient->data_type = params->data_type;
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;
-
- printk(KERN_INFO "%s %p %d %d\n", __func__, params->context, params->data_type, params->initial_id);
+ PDEBUG ( "%p %d %d\n", params->context, params->data_type, params->initial_id );
return 0;
}
void smscore_unregister_client(smscore_client_t *client)
{
smscore_device_t *coredev = client->coredev;
- struct list_head *next, *first;
unsigned long flags;
spin_lock_irqsave(&coredev->clientslock, flags);
- first = &coredev->subclients;
- for (next = first->next; next != first;)
- {
- smscore_subclient_t *subclient = (smscore_subclient_t *) next;
- next = next->next;
-
- if (subclient->client == client)
+ while (!list_empty( &client->idlist))
{
- list_del(&subclient->entry);
- kfree(subclient);
- }
+ smscore_idlist_t *identry = (smscore_idlist_t*)client->idlist.next;
+ list_del ( &identry->entry );
+ kfree ( identry );
}
- printk(KERN_INFO "%s %p %d\n", __func__, client->context, client->data_type);
+ printk(KERN_INFO "%s %p\n", __func__, client->context);
list_del(&client->entry);
kfree(client);
*/
int smsclient_sendrequest(smscore_client_t *client, void *buffer, size_t size)
{
- smscore_device_t *coredev = client->coredev;
+ smscore_device_t *coredev;
SmsMsgHdr_ST* phdr = (SmsMsgHdr_ST*) buffer;
+ int rc;
+
+ if ( client == NULL )
+ {
+ printk(KERN_ERR "%s Got NULL client\n", __func__ );
+ return -EINVAL;
+ }
+
+ coredev = client->coredev;
// check that no other channel with same id exists
- int rc = smscore_validate_client(client->coredev, client, phdr->msgSrcId);
+ if ( coredev == NULL )
+ {
+ printk(KERN_ERR "%s Got NULL coredev\n", __func__ );
+ return -EINVAL;
+ }
+
+ rc = smscore_validate_client(client->coredev, client, 0, phdr->msgSrcId);
if (rc < 0)
return rc;
module_exit(smscore_module_exit);
MODULE_DESCRIPTION("smscore");
-MODULE_AUTHOR("Anatoly Greenblatt,,, (anatolyg@siano-ms.com)");
+MODULE_AUTHOR ( "Siano Mobile Silicon,,, (doronc@siano-ms.com)" );
MODULE_LICENSE("GPL");
projects / linux.git / commitdiff