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ASoC: rsnd: dma: fix SSI9 4/5/6/7 busif dma address 

Currently each SSI unit's busif dma address is calculated by
following calculation formula:
0xec540000 + 0x1000 * id + busif / 4 * 0xA000 + busif % 4 * 0x400

But according to R-Car3 HW manual 41.1.4 Register Configuration,
ssi9 4/5/6/7 busif data register address
(SSI9_4_BUSIF/SSI9_5_BUSIF/SSI9_6_BUSIF/SSI9_7_BUSIF)
are out of this rule.

This patch updates the calculation formula to correct
ssi9 4/5/6/7 busif data register address.

Fixes: 5e45a6fab3 ("ASoc: rsnd: dma: Calculate dma address with consider of BUSIF")
Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Timo Wischer <twischer@de.adit-jv.com>
[erosca: minor improvements in commit description]
Cc: Andrew Gabbasov <andrew_gabbasov@mentor.com>
Cc: stable@vger.kernel.org # v4.20+
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/20191022185429.12769-1-erosca@de.adit-jv.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jiada Wang 2019-10-22 20:54:29 +02:00 committed by Mark Brown
parent 901af18b6b
commit d10be65f87
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 2 deletions
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4
sound/soc/sh/rcar/dma.c
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@ -508,10 +508,10 @@ 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, j) (addr ##_reg - 0x00441000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400))
#define RDMA_SSIU_I_N(addr, i, j) (addr ##_reg - 0x00441000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400) - (0x4000 * ((i) / 9) * ((j) / 4)))
#define RDMA_SSIU_O_N(addr, i, j) RDMA_SSIU_I_N(addr, i, j)
#define RDMA_SSIU_I_P(addr, i, j) (addr ##_reg - 0x00141000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400))
#define RDMA_SSIU_I_P(addr, i, j) (addr ##_reg - 0x00141000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400) - (0x4000 * ((i) / 9) * ((j) / 4)))
#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))