diff options
Diffstat (limited to 'drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c')
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c | 164 |
1 files changed, 79 insertions, 85 deletions
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c index 17a4f2c8d8b1..0ce3b08b3441 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c @@ -12,22 +12,22 @@ #define vchiq_status_to_vchi(status) ((int32_t)status) struct shim_service { - VCHIQ_SERVICE_HANDLE_T handle; + unsigned int handle; struct vchiu_queue queue; - VCHI_CALLBACK_T callback; + vchi_callback callback; void *callback_param; }; /*********************************************************** * Name: vchi_msg_peek * - * Arguments: const VCHI_SERVICE_HANDLE_T handle, + * Arguments: struct vchi_service_handle *handle, * void **data, * uint32_t *msg_size, - * VCHI_FLAGS_T flags + * enum vchi_flags flags * * Description: Routine to return a pointer to the current message (to allow in * place processing). The message can be removed using @@ -36,10 +36,10 @@ struct shim_service { * Returns: int32_t - success == 0 * ***********************************************************/ -int32_t vchi_msg_peek(VCHI_SERVICE_HANDLE_T handle, - void **data, - uint32_t *msg_size, - VCHI_FLAGS_T flags) +int32_t vchi_msg_peek(struct vchi_service_handle *handle, + void **data, + uint32_t *msg_size, + enum vchi_flags flags) { struct shim_service *service = (struct shim_service *)handle; struct vchiq_header *header; @@ -63,7 +63,7 @@ EXPORT_SYMBOL(vchi_msg_peek); /*********************************************************** * Name: vchi_msg_remove * - * Arguments: const VCHI_SERVICE_HANDLE_T handle, + * Arguments: struct vchi_service_handle *handle, * * Description: Routine to remove a message (after it has been read with * vchi_msg_peek) @@ -71,7 +71,7 @@ EXPORT_SYMBOL(vchi_msg_peek); * Returns: int32_t - success == 0 * ***********************************************************/ -int32_t vchi_msg_remove(VCHI_SERVICE_HANDLE_T handle) +int32_t vchi_msg_remove(struct vchi_service_handle *handle) { struct shim_service *service = (struct shim_service *)handle; struct vchiq_header *header; @@ -87,7 +87,7 @@ EXPORT_SYMBOL(vchi_msg_remove); /*********************************************************** * Name: vchi_msg_queue * - * Arguments: VCHI_SERVICE_HANDLE_T handle, + * Arguments: struct vchi_service_handle *handle, * ssize_t (*copy_callback)(void *context, void *dest, * size_t offset, size_t maxsize), * void *context, @@ -99,14 +99,14 @@ EXPORT_SYMBOL(vchi_msg_remove); * ***********************************************************/ static -int32_t vchi_msg_queue(VCHI_SERVICE_HANDLE_T handle, +int32_t vchi_msg_queue(struct vchi_service_handle *handle, ssize_t (*copy_callback)(void *context, void *dest, size_t offset, size_t maxsize), void *context, uint32_t data_size) { struct shim_service *service = (struct shim_service *)handle; - VCHIQ_STATUS_T status; + enum vchiq_status status; while (1) { status = vchiq_queue_message(service->handle, @@ -139,7 +139,7 @@ vchi_queue_kernel_message_callback(void *context, } int -vchi_queue_kernel_message(VCHI_SERVICE_HANDLE_T handle, +vchi_queue_kernel_message(struct vchi_service_handle *handle, void *data, unsigned int size) { @@ -169,7 +169,7 @@ vchi_queue_user_message_callback(void *context, } int -vchi_queue_user_message(VCHI_SERVICE_HANDLE_T handle, +vchi_queue_user_message(struct vchi_service_handle *handle, void __user *data, unsigned int size) { @@ -190,7 +190,7 @@ EXPORT_SYMBOL(vchi_queue_user_message); * Arguments: VCHI_BULK_HANDLE_T handle, * void *data_dst, * const uint32_t data_size, - * VCHI_FLAGS_T flags + * enum vchi_flags flags * void *bulk_handle * * Description: Routine to setup a rcv buffer @@ -198,15 +198,13 @@ EXPORT_SYMBOL(vchi_queue_user_message); * Returns: int32_t - success == 0 * ***********************************************************/ -int32_t vchi_bulk_queue_receive(VCHI_SERVICE_HANDLE_T handle, - void *data_dst, - uint32_t data_size, - VCHI_FLAGS_T flags, - void *bulk_handle) +int32_t vchi_bulk_queue_receive(struct vchi_service_handle *handle, void *data_dst, + uint32_t data_size, enum vchi_flags flags, + void *bulk_handle) { struct shim_service *service = (struct shim_service *)handle; - VCHIQ_BULK_MODE_T mode; - VCHIQ_STATUS_T status; + enum vchiq_bulk_mode mode; + enum vchiq_status status; switch ((int)flags) { case VCHI_FLAGS_CALLBACK_WHEN_OP_COMPLETE @@ -250,7 +248,7 @@ EXPORT_SYMBOL(vchi_bulk_queue_receive); * Arguments: VCHI_BULK_HANDLE_T handle, * const void *data_src, * uint32_t data_size, - * VCHI_FLAGS_T flags, + * enum vchi_flags flags, * void *bulk_handle * * Description: Routine to transmit some data @@ -258,15 +256,15 @@ EXPORT_SYMBOL(vchi_bulk_queue_receive); * Returns: int32_t - success == 0 * ***********************************************************/ -int32_t vchi_bulk_queue_transmit(VCHI_SERVICE_HANDLE_T handle, - const void *data_src, - uint32_t data_size, - VCHI_FLAGS_T flags, - void *bulk_handle) +int32_t vchi_bulk_queue_transmit(struct vchi_service_handle *handle, + const void *data_src, + uint32_t data_size, + enum vchi_flags flags, + void *bulk_handle) { struct shim_service *service = (struct shim_service *)handle; - VCHIQ_BULK_MODE_T mode; - VCHIQ_STATUS_T status; + enum vchiq_bulk_mode mode; + enum vchiq_status status; switch ((int)flags) { case VCHI_FLAGS_CALLBACK_WHEN_OP_COMPLETE @@ -309,22 +307,20 @@ EXPORT_SYMBOL(vchi_bulk_queue_transmit); /*********************************************************** * Name: vchi_msg_dequeue * - * Arguments: VCHI_SERVICE_HANDLE_T handle, + * Arguments: struct vchi_service_handle *handle, * void *data, * uint32_t max_data_size_to_read, * uint32_t *actual_msg_size - * VCHI_FLAGS_T flags + * enum vchi_flags flags * * Description: Routine to dequeue a message into the supplied buffer * * Returns: int32_t - success == 0 * ***********************************************************/ -int32_t vchi_msg_dequeue(VCHI_SERVICE_HANDLE_T handle, - void *data, - uint32_t max_data_size_to_read, - uint32_t *actual_msg_size, - VCHI_FLAGS_T flags) +int32_t vchi_msg_dequeue(struct vchi_service_handle *handle, void *data, + uint32_t max_data_size_to_read, + uint32_t *actual_msg_size, enum vchi_flags flags) { struct shim_service *service = (struct shim_service *)handle; struct vchiq_header *header; @@ -364,13 +360,13 @@ int32_t vchi_held_msg_release(struct vchi_held_msg *message) { /* * Convert the service field pointer back to an - * VCHIQ_SERVICE_HANDLE_T which is an int. + * unsigned int which is an int. * This pointer is opaque to everything except * vchi_msg_hold which simply upcasted the int * to a pointer. */ - vchiq_release_message((VCHIQ_SERVICE_HANDLE_T)(long)message->service, + vchiq_release_message((unsigned int)(long)message->service, (struct vchiq_header *)message->message); return 0; @@ -380,10 +376,10 @@ EXPORT_SYMBOL(vchi_held_msg_release); /*********************************************************** * Name: vchi_msg_hold * - * Arguments: VCHI_SERVICE_HANDLE_T handle, + * Arguments: struct vchi_service_handle *handle, * void **data, * uint32_t *msg_size, - * VCHI_FLAGS_T flags, + * enum vchi_flags flags, * struct vchi_held_msg *message_handle * * Description: Routine to return a pointer to the current message (to allow @@ -394,11 +390,9 @@ EXPORT_SYMBOL(vchi_held_msg_release); * Returns: int32_t - success == 0 * ***********************************************************/ -int32_t vchi_msg_hold(VCHI_SERVICE_HANDLE_T handle, - void **data, - uint32_t *msg_size, - VCHI_FLAGS_T flags, - struct vchi_held_msg *message_handle) +int32_t vchi_msg_hold(struct vchi_service_handle *handle, void **data, + uint32_t *msg_size, enum vchi_flags flags, + struct vchi_held_msg *message_handle) { struct shim_service *service = (struct shim_service *)handle; struct vchiq_header *header; @@ -416,7 +410,7 @@ int32_t vchi_msg_hold(VCHI_SERVICE_HANDLE_T handle, *msg_size = header->size; /* - * upcast the VCHIQ_SERVICE_HANDLE_T which is an int + * upcast the unsigned int which is an int * to a pointer and stuff it in the held message. * This pointer is opaque to everything except * vchi_held_msg_release which simply downcasts it back @@ -434,7 +428,7 @@ EXPORT_SYMBOL(vchi_msg_hold); /*********************************************************** * Name: vchi_initialise * - * Arguments: VCHI_INSTANCE_T *instance_handle + * Arguments: struct vchi_instance_handle **instance_handle * * Description: Initialises the hardware but does not transmit anything * When run as a Host App this will be called twice hence the need @@ -444,14 +438,14 @@ EXPORT_SYMBOL(vchi_msg_hold); * ***********************************************************/ -int32_t vchi_initialise(VCHI_INSTANCE_T *instance_handle) +int32_t vchi_initialise(struct vchi_instance_handle **instance_handle) { - VCHIQ_INSTANCE_T instance; - VCHIQ_STATUS_T status; + struct vchiq_instance *instance; + enum vchiq_status status; status = vchiq_initialise(&instance); - *instance_handle = (VCHI_INSTANCE_T)instance; + *instance_handle = (struct vchi_instance_handle *)instance; return vchiq_status_to_vchi(status); } @@ -460,7 +454,7 @@ EXPORT_SYMBOL(vchi_initialise); /*********************************************************** * Name: vchi_connect * - * Arguments: VCHI_INSTANCE_T instance_handle + * Arguments: struct vchi_instance_handle *instance_handle * * Description: Starts the command service on each connection, * causing INIT messages to be pinged back and forth @@ -468,9 +462,9 @@ EXPORT_SYMBOL(vchi_initialise); * Returns: 0 if successful, failure otherwise * ***********************************************************/ -int32_t vchi_connect(VCHI_INSTANCE_T instance_handle) +int32_t vchi_connect(struct vchi_instance_handle *instance_handle) { - VCHIQ_INSTANCE_T instance = (VCHIQ_INSTANCE_T)instance_handle; + struct vchiq_instance *instance = (struct vchiq_instance *)instance_handle; return vchiq_connect(instance); } @@ -479,7 +473,7 @@ EXPORT_SYMBOL(vchi_connect); /*********************************************************** * Name: vchi_disconnect * - * Arguments: VCHI_INSTANCE_T instance_handle + * Arguments: struct vchi_instance_handle *instance_handle * * Description: Stops the command service on each connection, * causing DE-INIT messages to be pinged back and forth @@ -487,9 +481,9 @@ EXPORT_SYMBOL(vchi_connect); * Returns: 0 if successful, failure otherwise * ***********************************************************/ -int32_t vchi_disconnect(VCHI_INSTANCE_T instance_handle) +int32_t vchi_disconnect(struct vchi_instance_handle *instance_handle) { - VCHIQ_INSTANCE_T instance = (VCHIQ_INSTANCE_T)instance_handle; + struct vchiq_instance *instance = (struct vchiq_instance *)instance_handle; return vchiq_status_to_vchi(vchiq_shutdown(instance)); } @@ -499,9 +493,9 @@ EXPORT_SYMBOL(vchi_disconnect); * Name: vchi_service_open * Name: vchi_service_create * - * Arguments: VCHI_INSTANCE_T *instance_handle + * Arguments: struct vchi_instance_handle *instance_handle * struct service_creation *setup, - * VCHI_SERVICE_HANDLE_T *handle + * struct vchi_service_handle **handle * * Description: Routine to open a service * @@ -509,9 +503,9 @@ EXPORT_SYMBOL(vchi_disconnect); * ***********************************************************/ -static VCHIQ_STATUS_T shim_callback(VCHIQ_REASON_T reason, +static enum vchiq_status shim_callback(enum vchiq_reason reason, struct vchiq_header *header, - VCHIQ_SERVICE_HANDLE_T handle, + unsigned int handle, void *bulk_user) { struct shim_service *service = @@ -571,7 +565,7 @@ done: return VCHIQ_SUCCESS; } -static struct shim_service *service_alloc(VCHIQ_INSTANCE_T instance, +static struct shim_service *service_alloc(struct vchiq_instance *instance, struct service_creation *setup) { struct shim_service *service = kzalloc(sizeof(struct shim_service), GFP_KERNEL); @@ -579,7 +573,7 @@ static struct shim_service *service_alloc(VCHIQ_INSTANCE_T instance, (void)instance; if (service) { - if (vchiu_queue_init(&service->queue, 64)) { + if (!vchiu_queue_init(&service->queue, 64)) { service->callback = setup->callback; service->callback_param = setup->callback_param; } else { @@ -599,18 +593,18 @@ static void service_free(struct shim_service *service) } } -int32_t vchi_service_open(VCHI_INSTANCE_T instance_handle, +int32_t vchi_service_open(struct vchi_instance_handle *instance_handle, struct service_creation *setup, - VCHI_SERVICE_HANDLE_T *handle) + struct vchi_service_handle **handle) { - VCHIQ_INSTANCE_T instance = (VCHIQ_INSTANCE_T)instance_handle; + struct vchiq_instance *instance = (struct vchiq_instance *)instance_handle; struct shim_service *service = service_alloc(instance, setup); - *handle = (VCHI_SERVICE_HANDLE_T)service; + *handle = (struct vchi_service_handle *)service; if (service) { struct vchiq_service_params params; - VCHIQ_STATUS_T status; + enum vchiq_status status; memset(¶ms, 0, sizeof(params)); params.fourcc = setup->service_id; @@ -628,17 +622,17 @@ int32_t vchi_service_open(VCHI_INSTANCE_T instance_handle, } } - return (service != NULL) ? 0 : -1; + return service ? 0 : -1; } EXPORT_SYMBOL(vchi_service_open); -int32_t vchi_service_close(const VCHI_SERVICE_HANDLE_T handle) +int32_t vchi_service_close(const struct vchi_service_handle *handle) { int32_t ret = -1; struct shim_service *service = (struct shim_service *)handle; if (service) { - VCHIQ_STATUS_T status = vchiq_close_service(service->handle); + enum vchiq_status status = vchiq_close_service(service->handle); if (status == VCHIQ_SUCCESS) service_free(service); @@ -648,13 +642,13 @@ int32_t vchi_service_close(const VCHI_SERVICE_HANDLE_T handle) } EXPORT_SYMBOL(vchi_service_close); -int32_t vchi_service_destroy(const VCHI_SERVICE_HANDLE_T handle) +int32_t vchi_service_destroy(const struct vchi_service_handle *handle) { int32_t ret = -1; struct shim_service *service = (struct shim_service *)handle; if (service) { - VCHIQ_STATUS_T status = vchiq_remove_service(service->handle); + enum vchiq_status status = vchiq_remove_service(service->handle); if (status == VCHIQ_SUCCESS) { service_free(service); @@ -667,13 +661,13 @@ int32_t vchi_service_destroy(const VCHI_SERVICE_HANDLE_T handle) } EXPORT_SYMBOL(vchi_service_destroy); -int32_t vchi_service_set_option(const VCHI_SERVICE_HANDLE_T handle, - VCHI_SERVICE_OPTION_T option, +int32_t vchi_service_set_option(const struct vchi_service_handle *handle, + enum vchi_service_option option, int value) { int32_t ret = -1; struct shim_service *service = (struct shim_service *)handle; - VCHIQ_SERVICE_OPTION_T vchiq_option; + enum vchiq_service_option vchiq_option; switch (option) { case VCHI_SERVICE_OPTION_TRACE: @@ -687,7 +681,7 @@ int32_t vchi_service_set_option(const VCHI_SERVICE_HANDLE_T handle, break; } if (service) { - VCHIQ_STATUS_T status = + enum vchiq_status status = vchiq_set_service_option(service->handle, vchiq_option, value); @@ -698,13 +692,13 @@ int32_t vchi_service_set_option(const VCHI_SERVICE_HANDLE_T handle, } EXPORT_SYMBOL(vchi_service_set_option); -int32_t vchi_get_peer_version(const VCHI_SERVICE_HANDLE_T handle, short *peer_version) +int32_t vchi_get_peer_version(const struct vchi_service_handle *handle, short *peer_version) { int32_t ret = -1; struct shim_service *service = (struct shim_service *)handle; if (service) { - VCHIQ_STATUS_T status; + enum vchiq_status status; status = vchiq_get_peer_version(service->handle, peer_version); ret = vchiq_status_to_vchi(status); @@ -716,14 +710,14 @@ EXPORT_SYMBOL(vchi_get_peer_version); /*********************************************************** * Name: vchi_service_use * - * Arguments: const VCHI_SERVICE_HANDLE_T handle + * Arguments: const struct vchi_service_handle *handle * * Description: Routine to increment refcount on a service * * Returns: void * ***********************************************************/ -int32_t vchi_service_use(const VCHI_SERVICE_HANDLE_T handle) +int32_t vchi_service_use(const struct vchi_service_handle *handle) { int32_t ret = -1; @@ -737,14 +731,14 @@ EXPORT_SYMBOL(vchi_service_use); /*********************************************************** * Name: vchi_service_release * - * Arguments: const VCHI_SERVICE_HANDLE_T handle + * Arguments: const struct vchi_service_handle *handle * * Description: Routine to decrement refcount on a service * * Returns: void * ***********************************************************/ -int32_t vchi_service_release(const VCHI_SERVICE_HANDLE_T handle) +int32_t vchi_service_release(const struct vchi_service_handle *handle) { int32_t ret = -1; |