60 	struct bcom_task *tsk;  in bcom_ata_init()  local
67 	tsk = bcom_task_alloc(queue_len, sizeof(struct bcom_ata_bd), 0);  in bcom_ata_init()
68 	if (!tsk)  in bcom_ata_init()
71 	tsk->flags = BCOM_FLAGS_NONE;  in bcom_ata_init()
73 	bcom_ata_reset_bd(tsk);  in bcom_ata_init()
75 	var = (struct bcom_ata_var *) bcom_task_var(tsk->tasknum);  in bcom_ata_init()
76 	inc = (struct bcom_ata_inc *) bcom_task_inc(tsk->tasknum);  in bcom_ata_init()
78 	if (bcom_load_image(tsk->tasknum, bcom_ata_task)) {  in bcom_ata_init()
79 		bcom_task_free(tsk);  in bcom_ata_init()
84 				offsetof(struct mpc52xx_sdma, tcr[tsk->tasknum]);  in bcom_ata_init()
85 	var->bd_base	= tsk->bd_pa;  in bcom_ata_init()
86 	var->bd_last	= tsk->bd_pa + ((tsk->num_bd-1) * tsk->bd_size);  in bcom_ata_init()
87 	var->bd_start	= tsk->bd_pa;  in bcom_ata_init()
91 	bcom_set_task_pragma(tsk->tasknum, BCOM_ATA_PRAGMA);  in bcom_ata_init()
92 	bcom_set_task_auto_start(tsk->tasknum, tsk->tasknum);  in bcom_ata_init()
97 	out_be32(&bcom_eng->regs->IntPend, 1<<tsk->tasknum); /* Clear ints */  in bcom_ata_init()
99 	return tsk;  in bcom_ata_init()
103 void bcom_ata_rx_prepare(struct bcom_task *tsk)  in bcom_ata_rx_prepare()  argument
107 	inc = (struct bcom_ata_inc *) bcom_task_inc(tsk->tasknum);  in bcom_ata_rx_prepare()
113 	bcom_set_initiator(tsk->tasknum, BCOM_INITIATOR_ATA_RX);  in bcom_ata_rx_prepare()
117 void bcom_ata_tx_prepare(struct bcom_task *tsk)  in bcom_ata_tx_prepare()  argument
121 	inc = (struct bcom_ata_inc *) bcom_task_inc(tsk->tasknum);  in bcom_ata_tx_prepare()
127 	bcom_set_initiator(tsk->tasknum, BCOM_INITIATOR_ATA_TX);  in bcom_ata_tx_prepare()
131 void bcom_ata_reset_bd(struct bcom_task *tsk)  in bcom_ata_reset_bd()  argument
136 	memset_io(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);  in bcom_ata_reset_bd()
138 	tsk->index = 0;  in bcom_ata_reset_bd()
139 	tsk->outdex = 0;  in bcom_ata_reset_bd()
141 	var = (struct bcom_ata_var *) bcom_task_var(tsk->tasknum);  in bcom_ata_reset_bd()
146 void bcom_ata_release(struct bcom_task *tsk)  in bcom_ata_release()  argument
149 	bcom_task_free(tsk);  in bcom_ata_release()