125 int ipu_dmfc_enable_channel(struct dmfc_channel *dmfc)  in ipu_dmfc_enable_channel()  argument
127 	struct ipu_dmfc_priv *priv = dmfc->priv;  in ipu_dmfc_enable_channel()
155 void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc)  in ipu_dmfc_disable_channel()  argument
157 	struct ipu_dmfc_priv *priv = dmfc->priv;  in ipu_dmfc_disable_channel()
175 static int ipu_dmfc_setup_channel(struct dmfc_channel *dmfc, int slots,  in ipu_dmfc_setup_channel()  argument
178 	struct ipu_dmfc_priv *priv = dmfc->priv;  in ipu_dmfc_setup_channel()
183 			slots, segment, dmfc->data->ipu_channel);  in ipu_dmfc_setup_channel()
219 	val = readl(priv->base + dmfc->data->channel_reg);  in ipu_dmfc_setup_channel()
221 	val &= ~(0xff << dmfc->data->shift);  in ipu_dmfc_setup_channel()
222 	val |= field << dmfc->data->shift;  in ipu_dmfc_setup_channel()
224 	writel(val, priv->base + dmfc->data->channel_reg);  in ipu_dmfc_setup_channel()
226 	dmfc->slots = slots;  in ipu_dmfc_setup_channel()
227 	dmfc->segment = segment;  in ipu_dmfc_setup_channel()
228 	dmfc->burstsize = burstsize;  in ipu_dmfc_setup_channel()
229 	dmfc->slotmask = ((1 << slots) - 1) << segment;  in ipu_dmfc_setup_channel()
266 void ipu_dmfc_free_bandwidth(struct dmfc_channel *dmfc)  in ipu_dmfc_free_bandwidth()  argument
268 	struct ipu_dmfc_priv *priv = dmfc->priv;  in ipu_dmfc_free_bandwidth()
272 			dmfc->slots, dmfc->segment);  in ipu_dmfc_free_bandwidth()
276 	if (!dmfc->slots)  in ipu_dmfc_free_bandwidth()
279 	dmfc->slotmask = 0;  in ipu_dmfc_free_bandwidth()
280 	dmfc->slots = 0;  in ipu_dmfc_free_bandwidth()
281 	dmfc->segment = 0;  in ipu_dmfc_free_bandwidth()
308 int ipu_dmfc_alloc_bandwidth(struct dmfc_channel *dmfc,  in ipu_dmfc_alloc_bandwidth()  argument
311 	struct ipu_dmfc_priv *priv = dmfc->priv;  in ipu_dmfc_alloc_bandwidth()
317 			dmfc->data->ipu_channel);  in ipu_dmfc_alloc_bandwidth()
319 	ipu_dmfc_free_bandwidth(dmfc);  in ipu_dmfc_alloc_bandwidth()
329 	if (dmfc->data->ipu_channel == IPUV3_CHANNEL_MEM_BG_SYNC)  in ipu_dmfc_alloc_bandwidth()
344 	ipu_dmfc_setup_channel(dmfc, slots, segment, burstsize);  in ipu_dmfc_alloc_bandwidth()
353 int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width)  in ipu_dmfc_init_channel()  argument
355 	struct ipu_dmfc_priv *priv = dmfc->priv;  in ipu_dmfc_init_channel()
360 	if ((dmfc->slots * 64 * 4) / width > dmfc->data->max_fifo_lines)  in ipu_dmfc_init_channel()
361 		dmfc_gen1 |= 1 << dmfc->data->eot_shift;  in ipu_dmfc_init_channel()
363 		dmfc_gen1 &= ~(1 << dmfc->data->eot_shift);  in ipu_dmfc_init_channel()
383 void ipu_dmfc_put(struct dmfc_channel *dmfc)  in ipu_dmfc_put()  argument
385 	ipu_dmfc_free_bandwidth(dmfc);  in ipu_dmfc_put()