36 static unsigned int idma32_get_slave_devfn(struct dw_dma_chan *dwc)  in idma32_get_slave_devfn()  argument
38 	struct device *slave = dwc->chan.slave;  in idma32_get_slave_devfn()
46 static void idma32_initialize_chan_xbar(struct dw_dma_chan *dwc)  in idma32_initialize_chan_xbar()  argument
48 	struct dw_dma *dw = to_dw_dma(dwc->chan.device);  in idma32_initialize_chan_xbar()
58 	value |= dwc->chan.chan_id;  in idma32_initialize_chan_xbar()
63 	value = readl(misc + DMA_CTL_CH(dwc->chan.chan_id));  in idma32_initialize_chan_xbar()
69 	switch (dwc->direction) {  in idma32_initialize_chan_xbar()
88 	writel(value, misc + DMA_CTL_CH(dwc->chan.chan_id));  in idma32_initialize_chan_xbar()
91 	value = readl(misc + DMA_XBAR_SEL(dwc->chan.chan_id));  in idma32_initialize_chan_xbar()
95 	value |= idma32_get_slave_devfn(dwc);  in idma32_initialize_chan_xbar()
97 	switch (dwc->direction) {  in idma32_initialize_chan_xbar()
109 	writel(value, misc + DMA_XBAR_SEL(dwc->chan.chan_id));  in idma32_initialize_chan_xbar()
112 	switch (dwc->direction) {  in idma32_initialize_chan_xbar()
114 		dst_id = dwc->chan.chan_id;  in idma32_initialize_chan_xbar()
115 		src_id = dwc->dws.src_id;  in idma32_initialize_chan_xbar()
118 		dst_id = dwc->dws.dst_id;  in idma32_initialize_chan_xbar()
119 		src_id = dwc->chan.chan_id;  in idma32_initialize_chan_xbar()
137 	channel_writel(dwc, CFG_LO, cfglo);  in idma32_initialize_chan_xbar()
138 	channel_writel(dwc, CFG_HI, cfghi);  in idma32_initialize_chan_xbar()
141 static void idma32_initialize_chan_generic(struct dw_dma_chan *dwc)  in idma32_initialize_chan_generic()  argument
150 	cfghi |= IDMA32C_CFGH_DST_PER(dwc->dws.dst_id & 0xf);  in idma32_initialize_chan_generic()
151 	cfghi |= IDMA32C_CFGH_SRC_PER(dwc->dws.src_id & 0xf);  in idma32_initialize_chan_generic()
154 	cfghi |= IDMA32C_CFGH_DST_PER_EXT(dwc->dws.dst_id >> 4 & 0x3);  in idma32_initialize_chan_generic()
155 	cfghi |= IDMA32C_CFGH_SRC_PER_EXT(dwc->dws.src_id >> 4 & 0x3);  in idma32_initialize_chan_generic()
157 	channel_writel(dwc, CFG_LO, cfglo);  in idma32_initialize_chan_generic()
158 	channel_writel(dwc, CFG_HI, cfghi);  in idma32_initialize_chan_generic()
161 static void idma32_suspend_chan(struct dw_dma_chan *dwc, bool drain)  in idma32_suspend_chan()  argument
163 	u32 cfglo = channel_readl(dwc, CFG_LO);  in idma32_suspend_chan()
168 	channel_writel(dwc, CFG_LO, cfglo | DWC_CFGL_CH_SUSP);  in idma32_suspend_chan()
171 static void idma32_resume_chan(struct dw_dma_chan *dwc, bool drain)  in idma32_resume_chan()  argument
173 	u32 cfglo = channel_readl(dwc, CFG_LO);  in idma32_resume_chan()
178 	channel_writel(dwc, CFG_LO, cfglo & ~DWC_CFGL_CH_SUSP);  in idma32_resume_chan()
181 static u32 idma32_bytes2block(struct dw_dma_chan *dwc,  in idma32_bytes2block()  argument
186 	if (bytes > dwc->block_size) {  in idma32_bytes2block()
187 		block = dwc->block_size;  in idma32_bytes2block()
188 		*len = dwc->block_size;  in idma32_bytes2block()
197 static size_t idma32_block2bytes(struct dw_dma_chan *dwc, u32 block, u32 width)  in idma32_block2bytes()  argument
202 static u32 idma32_prepare_ctllo(struct dw_dma_chan *dwc)  in idma32_prepare_ctllo()  argument
204 	struct dma_slave_config	*sconfig = &dwc->dma_sconfig;  in idma32_prepare_ctllo()
205 	u8 smsize = (dwc->direction == DMA_DEV_TO_MEM) ? sconfig->src_maxburst : 0;  in idma32_prepare_ctllo()
206 	u8 dmsize = (dwc->direction == DMA_MEM_TO_DEV) ? sconfig->dst_maxburst : 0;  in idma32_prepare_ctllo()
212 static void idma32_encode_maxburst(struct dw_dma_chan *dwc, u32 *maxburst)  in idma32_encode_maxburst()  argument