Ejemplo n.º 1
0
void
bcom_task_free(struct bcom_task *tsk)
{
	/* Stop the task */
	bcom_disable_task(tsk->tasknum);

	/* Clear TDT */
	bcom_eng->tdt[tsk->tasknum].start = 0;
	bcom_eng->tdt[tsk->tasknum].stop  = 0;

	/* Free everything */
	irq_dispose_mapping(tsk->irq);
	bcom_sram_free(tsk->bd);
	kfree(tsk->cookie);
	kfree(tsk);
}
Ejemplo n.º 2
0
int
bcom_fec_tx_reset(struct bcom_task *tsk)
{
	struct bcom_fec_priv *priv = tsk->priv;
	struct bcom_fec_tx_var *var;
	struct bcom_fec_tx_inc *inc;

	/* Shutdown the task */
	bcom_disable_task(tsk->tasknum);

	/* Reset the microcode */
	var = (struct bcom_fec_tx_var *) bcom_task_var(tsk->tasknum);
	inc = (struct bcom_fec_tx_inc *) bcom_task_inc(tsk->tasknum);

	if (bcom_load_image(tsk->tasknum, bcom_fec_tx_task))
		return -1;

	var->enable	= bcom_eng->regs_base +
				offsetof(struct mpc52xx_sdma, tcr[tsk->tasknum]);
	var->fifo	= (u32) priv->fifo;
	var->DRD	= bcom_sram_va2pa(self_modified_drd(tsk->tasknum));
	var->bd_base	= tsk->bd_pa;
	var->bd_last	= tsk->bd_pa + ((tsk->num_bd-1) * tsk->bd_size);
	var->bd_start	= tsk->bd_pa;

	inc->incr_bytes	= -(s16)sizeof(u32);	/* These should be in the   */
	inc->incr_src	= sizeof(u32);		/* task image, but we stick */
	inc->incr_src_ma= sizeof(u8);		/* to the official ones     */

	/* Reset the BDs */
	tsk->index = 0;
	tsk->outdex = 0;

	memset(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);

	/* Configure some stuff */
	bcom_set_task_pragma(tsk->tasknum, BCOM_FEC_TX_BD_PRAGMA);
	bcom_set_task_auto_start(tsk->tasknum, tsk->tasknum);

	out_8(&bcom_eng->regs->ipr[BCOM_INITIATOR_FEC_TX], BCOM_IPR_FEC_TX);

	out_be32(&bcom_eng->regs->IntPend, 1<<tsk->tasknum);	/* Clear ints */

	return 0;
}
Ejemplo n.º 3
0
int
bcom_gen_bd_tx_reset(struct bcom_task *tsk)
{
	struct bcom_gen_bd_priv *priv = tsk->priv;
	struct bcom_gen_bd_tx_var *var;
	struct bcom_gen_bd_tx_inc *inc;

	/* Shutdown the task */
	bcom_disable_task(tsk->tasknum);

	/* Reset the microcode */
	var = (struct bcom_gen_bd_tx_var *) bcom_task_var(tsk->tasknum);
	inc = (struct bcom_gen_bd_tx_inc *) bcom_task_inc(tsk->tasknum);

	if (bcom_load_image(tsk->tasknum, bcom_gen_bd_tx_task))
		return -1;

	var->enable	= bcom_eng->regs_base +
				offsetof(struct mpc52xx_sdma, tcr[tsk->tasknum]);
	var->fifo	= (u32) priv->fifo;
	var->bd_base	= tsk->bd_pa;
	var->bd_last	= tsk->bd_pa + ((tsk->num_bd-1) * tsk->bd_size);
	var->bd_start	= tsk->bd_pa;

	inc->incr_bytes	= -(s16)sizeof(u32);
	inc->incr_src	= sizeof(u32);
	inc->incr_src_ma = sizeof(u8);

	/* Reset the BDs */
	tsk->index = 0;
	tsk->outdex = 0;

	memset(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);

	/* Configure some stuff */
	bcom_set_task_pragma(tsk->tasknum, BCOM_GEN_TX_BD_PRAGMA);
	bcom_set_task_auto_start(tsk->tasknum, tsk->tasknum);

	out_8(&bcom_eng->regs->ipr[priv->initiator], priv->ipr);
	bcom_set_initiator(tsk->tasknum, priv->initiator);

	out_be32(&bcom_eng->regs->IntPend, 1<<tsk->tasknum);	/* Clear ints */

	return 0;
}
Ejemplo n.º 4
0
void
bcom_disable(struct bcom_task *tsk)
{
	bcom_disable_task(tsk->tasknum);
}