252 	struct ipuv3_channel *channel;  in ipu_idmac_get()  local
261 	channel = &ipu->channel[num];  in ipu_idmac_get()
263 	if (channel->busy) {  in ipu_idmac_get()
264 		channel = ERR_PTR(-EBUSY);  in ipu_idmac_get()
268 	channel->busy = true;  in ipu_idmac_get()
269 	channel->num = num;  in ipu_idmac_get()
274 	return channel;  in ipu_idmac_get()
278 void ipu_idmac_put(struct ipuv3_channel *channel)  in ipu_idmac_put()  argument
280 	struct ipu_soc *ipu = channel->ipu;  in ipu_idmac_put()
282 	dev_dbg(ipu->dev, "%s %d\n", __func__, channel->num);  in ipu_idmac_put()
286 	channel->busy = false;  in ipu_idmac_put()
305 static void __ipu_idmac_reset_current_buffer(struct ipuv3_channel *channel)  in __ipu_idmac_reset_current_buffer()  argument
307 	struct ipu_soc *ipu = channel->ipu;  in __ipu_idmac_reset_current_buffer()
308 	unsigned int chno = channel->num;  in __ipu_idmac_reset_current_buffer()
313 void ipu_idmac_set_double_buffer(struct ipuv3_channel *channel,  in ipu_idmac_set_double_buffer()  argument
316 	struct ipu_soc *ipu = channel->ipu;  in ipu_idmac_set_double_buffer()
322 	reg = ipu_cm_read(ipu, IPU_CHA_DB_MODE_SEL(channel->num));  in ipu_idmac_set_double_buffer()
324 		reg |= idma_mask(channel->num);  in ipu_idmac_set_double_buffer()
326 		reg &= ~idma_mask(channel->num);  in ipu_idmac_set_double_buffer()
327 	ipu_cm_write(ipu, reg, IPU_CHA_DB_MODE_SEL(channel->num));  in ipu_idmac_set_double_buffer()
329 	__ipu_idmac_reset_current_buffer(channel);  in ipu_idmac_set_double_buffer()
359 int ipu_idmac_lock_enable(struct ipuv3_channel *channel, int num_bursts)  in ipu_idmac_lock_enable()  argument
361 	struct ipu_soc *ipu = channel->ipu;  in ipu_idmac_lock_enable()
385 		if (channel->num == idmac_lock_en_info[i].chnum)  in ipu_idmac_lock_enable()
456 int ipu_idmac_get_current_buffer(struct ipuv3_channel *channel)  in ipu_idmac_get_current_buffer()  argument
458 	struct ipu_soc *ipu = channel->ipu;  in ipu_idmac_get_current_buffer()
459 	unsigned int chno = channel->num;  in ipu_idmac_get_current_buffer()
465 bool ipu_idmac_buffer_is_ready(struct ipuv3_channel *channel, u32 buf_num)  in ipu_idmac_buffer_is_ready()  argument
467 	struct ipu_soc *ipu = channel->ipu;  in ipu_idmac_buffer_is_ready()
474 		reg = ipu_cm_read(ipu, IPU_CHA_BUF0_RDY(channel->num));  in ipu_idmac_buffer_is_ready()
477 		reg = ipu_cm_read(ipu, IPU_CHA_BUF1_RDY(channel->num));  in ipu_idmac_buffer_is_ready()
480 		reg = ipu_cm_read(ipu, IPU_CHA_BUF2_RDY(channel->num));  in ipu_idmac_buffer_is_ready()
485 	return ((reg & idma_mask(channel->num)) != 0);  in ipu_idmac_buffer_is_ready()
489 void ipu_idmac_select_buffer(struct ipuv3_channel *channel, u32 buf_num)  in ipu_idmac_select_buffer()  argument
491 	struct ipu_soc *ipu = channel->ipu;  in ipu_idmac_select_buffer()
492 	unsigned int chno = channel->num;  in ipu_idmac_select_buffer()
507 void ipu_idmac_clear_buffer(struct ipuv3_channel *channel, u32 buf_num)  in ipu_idmac_clear_buffer()  argument
509 	struct ipu_soc *ipu = channel->ipu;  in ipu_idmac_clear_buffer()
510 	unsigned int chno = channel->num;  in ipu_idmac_clear_buffer()
535 int ipu_idmac_enable_channel(struct ipuv3_channel *channel)  in ipu_idmac_enable_channel()  argument
537 	struct ipu_soc *ipu = channel->ipu;  in ipu_idmac_enable_channel()
543 	val = ipu_idmac_read(ipu, IDMAC_CHA_EN(channel->num));  in ipu_idmac_enable_channel()
544 	val |= idma_mask(channel->num);  in ipu_idmac_enable_channel()
545 	ipu_idmac_write(ipu, val, IDMAC_CHA_EN(channel->num));  in ipu_idmac_enable_channel()
559 int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms)  in ipu_idmac_wait_busy()  argument
561 	struct ipu_soc *ipu = channel->ipu;  in ipu_idmac_wait_busy()
565 	while (ipu_idmac_read(ipu, IDMAC_CHA_BUSY(channel->num)) &  in ipu_idmac_wait_busy()
566 			idma_mask(channel->num)) {  in ipu_idmac_wait_busy()
592 int ipu_idmac_disable_channel(struct ipuv3_channel *channel)  in ipu_idmac_disable_channel()  argument
594 	struct ipu_soc *ipu = channel->ipu;  in ipu_idmac_disable_channel()
601 	val = ipu_idmac_read(ipu, IDMAC_CHA_EN(channel->num));  in ipu_idmac_disable_channel()
602 	val &= ~idma_mask(channel->num);  in ipu_idmac_disable_channel()
603 	ipu_idmac_write(ipu, val, IDMAC_CHA_EN(channel->num));  in ipu_idmac_disable_channel()
605 	__ipu_idmac_reset_current_buffer(channel);  in ipu_idmac_disable_channel()
610 	if (ipu_cm_read(ipu, IPU_CHA_BUF0_RDY(channel->num)) &  in ipu_idmac_disable_channel()
611 			idma_mask(channel->num)) {  in ipu_idmac_disable_channel()
612 		ipu_cm_write(ipu, idma_mask(channel->num),  in ipu_idmac_disable_channel()
613 			     IPU_CHA_BUF0_RDY(channel->num));  in ipu_idmac_disable_channel()
616 	if (ipu_cm_read(ipu, IPU_CHA_BUF1_RDY(channel->num)) &  in ipu_idmac_disable_channel()
617 			idma_mask(channel->num)) {  in ipu_idmac_disable_channel()
618 		ipu_cm_write(ipu, idma_mask(channel->num),  in ipu_idmac_disable_channel()
619 			     IPU_CHA_BUF1_RDY(channel->num));  in ipu_idmac_disable_channel()
625 	val = ipu_cm_read(ipu, IPU_CHA_DB_MODE_SEL(channel->num));  in ipu_idmac_disable_channel()
626 	val &= ~idma_mask(channel->num);  in ipu_idmac_disable_channel()
627 	ipu_cm_write(ipu, val, IPU_CHA_DB_MODE_SEL(channel->num));  in ipu_idmac_disable_channel()
641 void ipu_idmac_enable_watermark(struct ipuv3_channel *channel, bool enable)  in ipu_idmac_enable_watermark()  argument
643 	struct ipu_soc *ipu = channel->ipu;  in ipu_idmac_enable_watermark()
649 	val = ipu_idmac_read(ipu, IDMAC_WM_EN(channel->num));  in ipu_idmac_enable_watermark()
651 		val |= 1 << (channel->num % 32);  in ipu_idmac_enable_watermark()
653 		val &= ~(1 << (channel->num % 32));  in ipu_idmac_enable_watermark()
654 	ipu_idmac_write(ipu, val, IDMAC_WM_EN(channel->num));  in ipu_idmac_enable_watermark()
959 int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel,  in ipu_idmac_channel_irq()  argument
962 	return ipu_map_irq(ipu, irq_type + channel->num);  in ipu_idmac_channel_irq()
1237 		ipu->channel[i].ipu = ipu;  in ipu_probe()