Exemple #1
0
static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
			      struct rsnd_dai *rdai,
			      struct rsnd_dai_stream *io)
{
	struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod);
	struct device *dev = rsnd_priv_to_dev(priv);
	u32 cr;

	if (0 == ssi->usrcnt) {
		clk_enable(ssi->clk);

		if (rsnd_rdai_is_clk_master(rdai)) {
			if (rsnd_ssi_clk_from_parent(ssi))
				rsnd_ssi_hw_start(ssi->parent, rdai, io);
			else
				rsnd_ssi_master_clk_start(ssi, io);
		}
	}

	cr  =	ssi->cr_own	|
		ssi->cr_clk	|
		ssi->cr_etc	|
		EN;

	rsnd_mod_write(&ssi->mod, SSICR, cr);

	ssi->usrcnt++;

	dev_dbg(dev, "ssi%d hw started\n", rsnd_mod_id(&ssi->mod));
}
Exemple #2
0
static int rsnd_ssi_start(struct rsnd_mod *mod,
			  struct rsnd_priv *priv)
{
	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
	struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);

	rsnd_src_ssiu_start(mod, rsnd_ssi_use_busif(mod));

	rsnd_ssi_hw_start(ssi, io);

	rsnd_src_ssi_irq_enable(mod);

	return 0;
}
Exemple #3
0
static int rsnd_ssi_pio_start(struct rsnd_mod *mod,
			      struct rsnd_dai *rdai,
			      struct rsnd_dai_stream *io)
{
	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);

	/* enable PIO IRQ */
	ssi->cr_etc = UIEN | OIEN | DIEN;

	rsnd_src_enable_ssi_irq(mod, rdai, io);

	rsnd_ssi_hw_start(ssi, rdai, io);

	return 0;
}
static int rsnd_ssi_pio_start(struct rsnd_mod *mod,
			      struct rsnd_dai *rdai,
			      struct rsnd_dai_stream *io)
{
	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
	struct device *dev = rsnd_priv_to_dev(priv);

	/* enable PIO IRQ */
	ssi->cr_etc = UIEN | OIEN | DIEN;

	rsnd_ssi_hw_start(ssi, rdai, io);

	dev_dbg(dev, "%s.%d start\n", rsnd_mod_name(mod), rsnd_mod_id(mod));

	return 0;
}
Exemple #5
0
static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
			      struct rsnd_dai_stream *io)
{
	struct rsnd_priv *priv = rsnd_io_to_priv(io);
	struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
	struct device *dev = rsnd_priv_to_dev(priv);
	u32 cr_mode;
	u32 cr;

	if (0 == ssi->usrcnt) {
		rsnd_mod_hw_start(&ssi->mod);

		if (rsnd_rdai_is_clk_master(rdai)) {
			if (rsnd_ssi_clk_from_parent(ssi))
				rsnd_ssi_hw_start(ssi->parent, io);
			else
				rsnd_ssi_master_clk_start(ssi, io);
		}
	}

	cr_mode = rsnd_ssi_is_dma_mode(&ssi->mod) ?
		DMEN :	/* DMA : enable DMA */
		DIEN;	/* PIO : enable Data interrupt */


	cr  =	ssi->cr_own	|
		ssi->cr_clk	|
		cr_mode		|
		UIEN | OIEN | EN;

	rsnd_mod_write(&ssi->mod, SSICR, cr);

	/* enable WS continue */
	if (rsnd_rdai_is_clk_master(rdai))
		rsnd_mod_write(&ssi->mod, SSIWSR, CONT);

	/* clear error status */
	rsnd_mod_write(&ssi->mod, SSISR, 0);

	ssi->usrcnt++;

	dev_dbg(dev, "%s[%d] hw started\n",
		rsnd_mod_name(&ssi->mod), rsnd_mod_id(&ssi->mod));
}
Exemple #6
0
static int rsnd_ssi_dma_start(struct rsnd_mod *mod,
			      struct rsnd_dai *rdai,
			      struct rsnd_dai_stream *io)
{
	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
	struct rsnd_dma *dma = rsnd_mod_to_dma(&ssi->mod);

	/* enable DMA transfer */
	ssi->cr_etc = DMEN;

	rsnd_dma_start(dma);

	rsnd_ssi_hw_start(ssi, ssi->rdai, io);

	/* enable WS continue */
	if (rsnd_dai_is_clk_master(rdai))
		rsnd_mod_write(&ssi->mod, SSIWSR, CONT);

	return 0;
}
Exemple #7
0
static int rsnd_ssi_pio_start(struct rsnd_mod *mod,
			      struct rsnd_dai *rdai,
			      struct rsnd_dai_stream *io)
{
	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
	struct device *dev = rsnd_priv_to_dev(priv);

	/* enable PIO IRQ */
	ssi->cr_etc = UIEN | OIEN | DIEN;

	/* enable PIO interrupt if gen2 */
	if (rsnd_is_gen2(priv))
		rsnd_mod_write(&ssi->mod, INT_ENABLE, 0x0f000000);

	rsnd_ssi_hw_start(ssi, rdai, io);

	dev_dbg(dev, "%s.%d start\n", rsnd_mod_name(mod), rsnd_mod_id(mod));

	return 0;
}