C++ (Cpp) au1xxx_dbdma_chan_alloc Examples

Example #1

File: au1xxx-ide.c Project: Epirex/Chrono_Kernel-1

static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
{
	_auide_hwif *auide = &auide_hwif;
	dbdev_tab_t source_dev_tab, target_dev_tab;
	u32 dev_id, tsize, devwidth, flags;

	dev_id	 = IDE_DDMA_REQ;

	tsize    =  8; /*  1 */
	devwidth = 32; /* 16 */

#ifdef IDE_AU1XXX_BURSTMODE 
	flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE;
#else
	flags = DEV_FLAGS_SYNC;
#endif

	/* setup dev_tab for tx channel */
	auide_init_dbdma_dev( &source_dev_tab,
			      dev_id,
			      tsize, devwidth, DEV_FLAGS_OUT | flags);
 	auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );

	auide_init_dbdma_dev( &source_dev_tab,
			      dev_id,
			      tsize, devwidth, DEV_FLAGS_IN | flags);
 	auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
	
	/* We also need to add a target device for the DMA */
	auide_init_dbdma_dev( &target_dev_tab,
			      (u32)DSCR_CMD0_ALWAYS,
			      tsize, devwidth, DEV_FLAGS_ANYUSE);
	auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab);	
 
	/* Get a channel for TX */
	auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id,
						 auide->tx_dev_id,
						 auide_ddma_tx_callback,
						 (void*)auide);
 
	/* Get a channel for RX */
	auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
						 auide->target_dev_id,
						 auide_ddma_rx_callback,
						 (void*)auide);

	auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
							     NUM_DESCRIPTORS);
	auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
							     NUM_DESCRIPTORS);

	/* FIXME: check return value */
	(void)ide_allocate_dma_engine(hwif);
	
	au1xxx_dbdma_start( auide->tx_chan );
	au1xxx_dbdma_start( auide->rx_chan );
 
	return 0;
} 

Example #2

File: au1xxx-ide.c Project: DirtyDroidX/android_kernel_htc_m8ul

static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
{
	_auide_hwif *auide = &auide_hwif;
	dbdev_tab_t source_dev_tab, target_dev_tab;
	u32 dev_id, tsize, devwidth, flags;

	dev_id	 = hwif->ddma_id;

	tsize    =  8; 
	devwidth = 32; 

#ifdef IDE_AU1XXX_BURSTMODE 
	flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE;
#else
	flags = DEV_FLAGS_SYNC;
#endif

	
	auide_init_dbdma_dev(&source_dev_tab, dev_id, tsize, devwidth,
			     DEV_FLAGS_OUT | flags, auide->regbase);
 	auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );

	auide_init_dbdma_dev(&source_dev_tab, dev_id, tsize, devwidth,
			     DEV_FLAGS_IN | flags, auide->regbase);
 	auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
	
	
	auide_init_dbdma_dev(&target_dev_tab, (u32)DSCR_CMD0_ALWAYS, tsize,
			     devwidth, DEV_FLAGS_ANYUSE, auide->regbase);
	auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab);	
 
	
	auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id,
						 auide->tx_dev_id,
						 auide_ddma_tx_callback,
						 (void*)auide);
 
	
	auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
						 auide->target_dev_id,
						 auide_ddma_rx_callback,
						 (void*)auide);

	auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
							     NUM_DESCRIPTORS);
	auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
							     NUM_DESCRIPTORS);

	
	(void)ide_allocate_dma_engine(hwif);
	
	au1xxx_dbdma_start( auide->tx_chan );
	au1xxx_dbdma_start( auide->rx_chan );
 
	return 0;
} 

Example #3

File: au1xxx-ide.c Project: Epirex/Chrono_Kernel-1

static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
{
	_auide_hwif *auide = &auide_hwif;
	dbdev_tab_t source_dev_tab;
	int flags;

#ifdef IDE_AU1XXX_BURSTMODE 
	flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE;
#else
	flags = DEV_FLAGS_SYNC;
#endif

	/* setup dev_tab for tx channel */
	auide_init_dbdma_dev( &source_dev_tab,
			      (u32)DSCR_CMD0_ALWAYS,
			      8, 32, DEV_FLAGS_OUT | flags);
 	auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );

	auide_init_dbdma_dev( &source_dev_tab,
			      (u32)DSCR_CMD0_ALWAYS,
			      8, 32, DEV_FLAGS_IN | flags);
 	auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
	
	/* Get a channel for TX */
	auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS,
						 auide->tx_dev_id,
						 NULL,
						 (void*)auide);
 
	/* Get a channel for RX */
	auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
						 DSCR_CMD0_ALWAYS,
						 NULL,
						 (void*)auide);
 
	auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
							     NUM_DESCRIPTORS);
	auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
							     NUM_DESCRIPTORS);
 
	au1xxx_dbdma_start( auide->tx_chan );
	au1xxx_dbdma_start( auide->rx_chan );
 	
	return 0;
}