669 	uint32_t in_dma, out_dma = 0;  in ipu_uninit_channel()  local
682 	in_dma = channel_2_dma(channel, IPU_OUTPUT_BUFFER);  in ipu_uninit_channel()
685 	if (idma_is_set(IDMAC_CHA_EN, in_dma) ||  in ipu_uninit_channel()
696 	reg = __raw_readl(IPU_CHA_DB_MODE_SEL(in_dma));  in ipu_uninit_channel()
697 	__raw_writel(reg & ~idma_mask(in_dma), IPU_CHA_DB_MODE_SEL(in_dma));  in ipu_uninit_channel()
1068 	uint32_t in_dma;  in ipu_enable_channel()  local
1078 	in_dma = channel_2_dma(channel, IPU_VIDEO_IN_BUFFER);  in ipu_enable_channel()
1080 	if (idma_is_valid(in_dma)) {  in ipu_enable_channel()
1081 		reg = __raw_readl(IDMAC_CHA_EN(in_dma));  in ipu_enable_channel()
1082 		__raw_writel(reg | idma_mask(in_dma), IDMAC_CHA_EN(in_dma));  in ipu_enable_channel()
1146 	uint32_t in_dma;  in ipu_disable_channel()  local
1157 	in_dma = channel_2_dma(channel, IPU_VIDEO_IN_BUFFER);  in ipu_disable_channel()
1159 	if ((idma_is_valid(in_dma) &&  in ipu_disable_channel()
1160 		!idma_is_set(IDMAC_CHA_EN, in_dma))  in ipu_disable_channel()
1171 	if (idma_is_valid(in_dma)) {  in ipu_disable_channel()
1172 		reg = __raw_readl(IDMAC_CHA_EN(in_dma));  in ipu_disable_channel()
1173 		__raw_writel(reg & ~idma_mask(in_dma), IDMAC_CHA_EN(in_dma));  in ipu_disable_channel()
1174 		__raw_writel(idma_mask(in_dma), IPU_CHA_CUR_BUF(in_dma));  in ipu_disable_channel()
1185 	if (idma_is_valid(in_dma)) {  in ipu_disable_channel()