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drv: dw-dma: Add support for apollolake and cannonlake platforms. 

Apollolake and Cannonlake have some register differences in DW-DMA HW.
Add macros to support those differences.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
This commit is contained in:
Liam Girdwood 2018-01-22 23:46:14 +00:00
parent 5481482557
commit 2b5507232e
1 changed files with 46 additions and 10 deletions
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56
src/drivers/dw-dma.c
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@ -196,6 +196,39 @@
#define DW_CFG_LOW_DEF 0x00000003
#define DW_CFG_HIGH_DEF 0x0
#elif defined (CONFIG_APOLLOLAKE) || defined (CONFIG_CANNONLAKE)
/* CTL_LO */
#define DW_CTLL_S_GATH_EN (1 << 17)
#define DW_CTLL_D_SCAT_EN (1 << 18)
/* CTL_HI */
#define DW_CTLH_DONE 0x00020000
#define DW_CTLH_BLOCK_TS_MASK 0x0001ffff
#define DW_CTLH_CLASS(x) (x << 29)
#define DW_CTLH_WEIGHT(x) (x << 18)
/* CFG_LO */
#define DW_CFG_CH_DRAIN 0x400
/* CFG_HI */
#define DW_CFGH_SRC_PER(x) (x << 0)
#define DW_CFGH_DST_PER(x) (x << 4)
/* FIFO Partition */
#define DW_FIFO_PARTITION
#define DW_FIFO_PART0_LO 0x0400
#define DW_FIFO_PART0_HI 0x0404
#define DW_FIFO_PART1_LO 0x0408
#define DW_FIFO_PART1_HI 0x040C
#define DW_CH_SAI_ERR 0x0410
#define DW_DMA_GLB_CFG 0x0418
/* default initial setup register values */
#define DW_CFG_LOW_DEF 0x00000003
#define DW_CFG_HIGH_DEF 0x0
#define DW_REG_MAX DW_DMA_GLB_CFG
#endif
/* tracing */
@ -653,11 +686,12 @@ static int dw_dma_set_config(struct dma *dma, int channel,
}
/* set transfer size of element */
#if defined CONFIG_BAYTRAIL || defined CONFIG_CHERRYTRAIL
lli_desc->ctrl_hi = DW_CTLH_CLASS(p->class) |
(sg_elem->size & DW_CTLH_BLOCK_TS_MASK);
#else
/* for the unit is transaction--TR_WIDTH. */
#if defined CONFIG_BAYTRAIL || defined CONFIG_CHERRYTRAIL \
|| defined CONFIG_APOLLOLAKE || defined CONFIG_CANNONLAKE
lli_desc->ctrl_hi = DW_CTLH_CLASS(p->class) |
(sg_elem->size & DW_CTLH_BLOCK_TS_MASK);
#elif defined CONFIG_BROADWELL || defined CONFIG_HASWELL
/* for bdw, the unit is transaction--TR_WIDTH. */
lli_desc->ctrl_hi = (sg_elem->size / (1 << (lli_desc->ctrl_lo >> 4 & 0x7)))
& DW_CTLH_BLOCK_TS_MASK;
#endif
@ -765,10 +799,11 @@ static inline void dw_dma_chan_reload_next(struct dma *dma, int channel,
dw_write(dma, DW_DAR(channel), next->dest);
/* set transfer size of element */
#if defined CONFIG_BAYTRAIL || defined CONFIG_CHERRYTRAIL
lli->ctrl_hi = DW_CTLH_CLASS(p->class) |
(next->size & DW_CTLH_BLOCK_TS_MASK);
#else
#if defined CONFIG_BAYTRAIL || defined CONFIG_CHERRYTRAIL \
|| defined CONFIG_APOLLOLAKE || defined CONFIG_CANNONLAKE
lli->ctrl_hi = DW_CTLH_CLASS(p->class) |
(next->size & DW_CTLH_BLOCK_TS_MASK);
#elif defined CONFIG_BROADWELL || defined CONFIG_HASWELL
/* for the unit is transaction--TR_WIDTH. */
lli->ctrl_hi = (next->size / (1 << (lli->ctrl_lo >> 4 & 0x7)))
& DW_CTLH_BLOCK_TS_MASK;
@ -928,7 +963,8 @@ found:
/* set channel priorities */
for (i = 0; i < DW_MAX_CHAN; i++) {
#if defined CONFIG_BAYTRAIL || defined CONFIG_CHERRYTRAIL
#if defined CONFIG_BAYTRAIL || defined CONFIG_CHERRYTRAIL \
|| defined CONFIG_APOLLOLAKE || defined CONFIG_CANNONLAKE
dw_write(dma, DW_CTRL_HIGH(i), DW_CTLH_CLASS(dp->chan[i].class));
#else
dw_write(dma, DW_CFG_LOW(i), DW_CFG_CLASS(dp->chan[i].class));