dmaengine: dw: convert dw_dma_slave to use explicit HS interfaces

Instead of exposing the possibility to set DMA registers CFG_HI and CFG_LO
strict user to provide handshake interfaces explicitly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Andy Shevchenko
2014-08-19 20:29:14 +03:00
committed by Vinod Koul
parent 61c4319cb5
commit 7e1e2f27c5
3 changed files with 11 additions and 18 deletions

View File

@@ -1356,10 +1356,8 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
goto fail;
slave->sdata.dma_dev = &dw_dmac0_device.dev;
slave->sdata.cfg_hi = (DWC_CFGH_SRC_PER(0)
| DWC_CFGH_DST_PER(1));
slave->sdata.cfg_lo &= ~(DWC_CFGL_HS_DST_POL
| DWC_CFGL_HS_SRC_POL);
slave->sdata.src_id = 0;
slave->sdata.dst_id = 1;
slave->sdata.src_master = 1;
slave->sdata.dst_master = 0;
@@ -2054,8 +2052,7 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
/* Check if DMA slave interface for capture should be configured. */
if (flags & AC97C_CAPTURE) {
rx_dws->dma_dev = &dw_dmac0_device.dev;
rx_dws->cfg_hi = DWC_CFGH_SRC_PER(3);
rx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
rx_dws->src_id = 3;
rx_dws->src_master = 0;
rx_dws->dst_master = 1;
}
@@ -2063,8 +2060,7 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
/* Check if DMA slave interface for playback should be configured. */
if (flags & AC97C_PLAYBACK) {
tx_dws->dma_dev = &dw_dmac0_device.dev;
tx_dws->cfg_hi = DWC_CFGH_DST_PER(4);
tx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
tx_dws->dst_id = 4;
tx_dws->src_master = 0;
tx_dws->dst_master = 1;
}
@@ -2136,8 +2132,7 @@ at32_add_device_abdac(unsigned int id, struct atmel_abdac_pdata *data)
dws = &data->dws;
dws->dma_dev = &dw_dmac0_device.dev;
dws->cfg_hi = DWC_CFGH_DST_PER(2);
dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
dws->dst_id = 2;
dws->src_master = 0;
dws->dst_master = 1;