/* Shut down the PVR chip from ready status, leaving it in 2D mode as it
was before the init. */
int pvr_shutdown() {
if(!pvr_state.valid)
return -1;
/* Set us invalid */
pvr_state.valid = 0;
/* Stop anything that might be going on */
PVR_SET(PVR_RESET, PVR_RESET_ALL);
PVR_SET(PVR_RESET, PVR_RESET_NONE);
/* Unhook any int handlers */
vblank_handler_remove(pvr_state.vbl_handle);
asic_evt_set_handler(ASIC_EVT_PVR_OPAQUEDONE, NULL);
asic_evt_disable(ASIC_EVT_PVR_OPAQUEDONE, ASIC_IRQ_DEFAULT);
asic_evt_set_handler(ASIC_EVT_PVR_OPAQUEMODDONE, NULL);
asic_evt_disable(ASIC_EVT_PVR_OPAQUEMODDONE, ASIC_IRQ_DEFAULT);
asic_evt_set_handler(ASIC_EVT_PVR_TRANSDONE, NULL);
asic_evt_disable(ASIC_EVT_PVR_TRANSDONE, ASIC_IRQ_DEFAULT);
asic_evt_set_handler(ASIC_EVT_PVR_TRANSMODDONE, NULL);
asic_evt_disable(ASIC_EVT_PVR_TRANSMODDONE, ASIC_IRQ_DEFAULT);
asic_evt_set_handler(ASIC_EVT_PVR_PTDONE, NULL);
asic_evt_disable(ASIC_EVT_PVR_PTDONE, ASIC_IRQ_DEFAULT);
asic_evt_set_handler(ASIC_EVT_PVR_RENDERDONE, NULL);
asic_evt_disable(ASIC_EVT_PVR_RENDERDONE, ASIC_IRQ_DEFAULT);
/* Shut down PVR DMA */
pvr_dma_shutdown();
/* Invalidate our memory pool */
pvr_mem_reset();
/* Destroy the semaphore */
sem_destroy((semaphore_t *)&pvr_state.ready_sem);
mutex_destroy((mutex_t *)&pvr_state.dma_lock);
/* Clear video memory */
vid_empty();
/* Reset the frame buffer offset */
vid_waitvbl();
vid_set_start(0);
/* Return success */
return 0;
}
void yuv_conv_shutdown() {
asic_evt_disable(ASIC_EVT_PVR_YUV_DONE, ASIC_IRQ_DEFAULT);
asic_evt_set_handler(ASIC_EVT_PVR_YUV_DONE, NULL);
sem_destroy(&yuv_done);
}
