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ASoc: rsnd: dma: Calculate dma address with consider of BUSIF

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DMA address calculated by rsnd_dma_addr() only considers BUSIF0 so far.
But BUSIF1 ~ BUSIF7 also maybe used, in the future.

This patch updates DMA address calculations, to also consider
BUSIF number used by SSI.

One note is that we can't support SSI9-4/5/6/7 so far,
because its address is out of calculation rule.

Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Timo Wischer <twischer@de.adit-jv.com>
[kuninori: adjust to upstreaming]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jiada Wang
2018-09-03 07:07:43 +00:00
committed by Mark Brown
parent 599da084e0
commit 5e45a6fab3
3 changed files with 33 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
sound/soc/sh/rcar/dma.c
View File

@@ -487,11 +487,11 @@ static struct rsnd_mod_ops rsnd_dmapp_ops = {
#define RDMA_SSI_I_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0x8)
#define RDMA_SSI_O_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0xc)
#define RDMA_SSIU_I_N(addr, i) (addr ##_reg - 0x00441000 + (0x1000 * i))
#define RDMA_SSIU_O_N(addr, i) (addr ##_reg - 0x00441000 + (0x1000 * i))
#define RDMA_SSIU_I_N(addr, i, j) (addr ##_reg - 0x00441000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400))
#define RDMA_SSIU_O_N(addr, i, j) RDMA_SSIU_I_N(addr, i, j)
#define RDMA_SSIU_I_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
#define RDMA_SSIU_O_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
#define RDMA_SSIU_I_P(addr, i, j) (addr ##_reg - 0x00141000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400))
#define RDMA_SSIU_O_P(addr, i, j) RDMA_SSIU_I_P(addr, i, j)
#define RDMA_SRC_I_N(addr, i) (addr ##_reg - 0x00500000 + (0x400 * i))
#define RDMA_SRC_O_N(addr, i) (addr ##_reg - 0x004fc000 + (0x400 * i))
@@ -517,6 +517,7 @@ rsnd_gen2_dma_addr(struct rsnd_dai_stream *io,
!!rsnd_io_to_mod_mix(io) ||
!!rsnd_io_to_mod_ctu(io);
int id = rsnd_mod_id(mod);
int busif = rsnd_ssi_get_busif(io);
struct dma_addr {
dma_addr_t out_addr;
dma_addr_t in_addr;
@@ -533,25 +534,35 @@ rsnd_gen2_dma_addr(struct rsnd_dai_stream *io,
},
/* SSI */
/* Capture */
{{{ RDMA_SSI_O_N(ssi, id), 0 },
{ RDMA_SSIU_O_P(ssi, id), 0 },
{ RDMA_SSIU_O_P(ssi, id), 0 } },
{{{ RDMA_SSI_O_N(ssi, id), 0 },
{ RDMA_SSIU_O_P(ssi, id, busif), 0 },
{ RDMA_SSIU_O_P(ssi, id, busif), 0 } },
/* Playback */
{{ 0, RDMA_SSI_I_N(ssi, id) },
{ 0, RDMA_SSIU_I_P(ssi, id) },
{ 0, RDMA_SSIU_I_P(ssi, id) } }
{{ 0, RDMA_SSI_I_N(ssi, id) },
{ 0, RDMA_SSIU_I_P(ssi, id, busif) },
{ 0, RDMA_SSIU_I_P(ssi, id, busif) } }
},
/* SSIU */
/* Capture */
{{{ RDMA_SSIU_O_N(ssi, id), 0 },
{ RDMA_SSIU_O_P(ssi, id), 0 },
{ RDMA_SSIU_O_P(ssi, id), 0 } },
{{{ RDMA_SSIU_O_N(ssi, id, busif), 0 },
{ RDMA_SSIU_O_P(ssi, id, busif), 0 },
{ RDMA_SSIU_O_P(ssi, id, busif), 0 } },
/* Playback */
{{ 0, RDMA_SSIU_I_N(ssi, id) },
{ 0, RDMA_SSIU_I_P(ssi, id) },
{ 0, RDMA_SSIU_I_P(ssi, id) } } },
{{ 0, RDMA_SSIU_I_N(ssi, id, busif) },
{ 0, RDMA_SSIU_I_P(ssi, id, busif) },
{ 0, RDMA_SSIU_I_P(ssi, id, busif) } } },
};
/*
* FIXME
*
* We can't support SSI9-4/5/6/7, because its address is
* out of calculation rule
*/
if ((id == 9) && (busif >= 4))
dev_err(dev, "This driver doesn't support SSI%d-%d, so far",
id, busif);
/* it shouldn't happen */
if (use_cmd && !use_src)
dev_err(dev, "DVC is selected without SRC\n");