63 	struct nvkm_fifo_chan *chan;  in nvkm_fifo_channel_create_()  local
71 	chan = *ptr;  in nvkm_fifo_channel_create_()
76 	chan->pushdma = (void *)nvkm_handle_ref(parent, pushbuf);  in nvkm_fifo_channel_create_()
77 	if (!chan->pushdma)  in nvkm_fifo_channel_create_()
80 	dmaeng = (void *)chan->pushdma->base.engine;  in nvkm_fifo_channel_create_()
81 	switch (chan->pushdma->base.oclass->handle) {  in nvkm_fifo_channel_create_()
89 	ret = dmaeng->bind(chan->pushdma, parent, &chan->pushgpu);  in nvkm_fifo_channel_create_()
95 	for (chan->chid = priv->min; chan->chid < priv->max; chan->chid++) {  in nvkm_fifo_channel_create_()
96 		if (!priv->channel[chan->chid]) {  in nvkm_fifo_channel_create_()
97 			priv->channel[chan->chid] = nv_object(chan);  in nvkm_fifo_channel_create_()
103 	if (chan->chid == priv->max) {  in nvkm_fifo_channel_create_()
108 	chan->addr = nv_device_resource_start(device, bar) +  in nvkm_fifo_channel_create_()
109 		     addr + size * chan->chid;  in nvkm_fifo_channel_create_()
110 	chan->size = size;  in nvkm_fifo_channel_create_()
116 nvkm_fifo_channel_destroy(struct nvkm_fifo_chan *chan)  in nvkm_fifo_channel_destroy()  argument
118 	struct nvkm_fifo *priv = (void *)nv_object(chan)->engine;  in nvkm_fifo_channel_destroy()
121 	if (chan->user)  in nvkm_fifo_channel_destroy()
122 		iounmap(chan->user);  in nvkm_fifo_channel_destroy()
125 	priv->channel[chan->chid] = NULL;  in nvkm_fifo_channel_destroy()
128 	nvkm_gpuobj_ref(NULL, &chan->pushgpu);  in nvkm_fifo_channel_destroy()
129 	nvkm_object_ref(NULL, (struct nvkm_object **)&chan->pushdma);  in nvkm_fifo_channel_destroy()
130 	nvkm_namedb_destroy(&chan->namedb);  in nvkm_fifo_channel_destroy()
136 	struct nvkm_fifo_chan *chan = (void *)object;  in _nvkm_fifo_channel_dtor()  local
137 	nvkm_fifo_channel_destroy(chan);  in _nvkm_fifo_channel_dtor()
143 	struct nvkm_fifo_chan *chan = (void *)object;  in _nvkm_fifo_channel_map()  local
144 	*addr = chan->addr;  in _nvkm_fifo_channel_map()
145 	*size = chan->size;  in _nvkm_fifo_channel_map()
152 	struct nvkm_fifo_chan *chan = (void *)object;  in _nvkm_fifo_channel_rd32()  local
153 	if (unlikely(!chan->user)) {  in _nvkm_fifo_channel_rd32()
154 		chan->user = ioremap(chan->addr, chan->size);  in _nvkm_fifo_channel_rd32()
155 		if (WARN_ON_ONCE(chan->user == NULL))  in _nvkm_fifo_channel_rd32()
158 	return ioread32_native(chan->user + addr);  in _nvkm_fifo_channel_rd32()
164 	struct nvkm_fifo_chan *chan = (void *)object;  in _nvkm_fifo_channel_wr32()  local
165 	if (unlikely(!chan->user)) {  in _nvkm_fifo_channel_wr32()
166 		chan->user = ioremap(chan->addr, chan->size);  in _nvkm_fifo_channel_wr32()
167 		if (WARN_ON_ONCE(chan->user == NULL))  in _nvkm_fifo_channel_wr32()
170 	iowrite32_native(data, chan->user + addr);  in _nvkm_fifo_channel_wr32()
235 	struct nvkm_fifo_chan *chan = NULL;  in nvkm_client_name_for_fifo_chid()  local
240 		chan = (void *)fifo->channel[chid];  in nvkm_client_name_for_fifo_chid()
243 	return nvkm_client_name(chan);  in nvkm_client_name_for_fifo_chid()