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      1 /*	$NetBSD: nouveau_nvkm_subdev_bar_gm107.c,v 1.2 2021/12/18 23:45:38 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2017 Red Hat Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  */
     24 #include <sys/cdefs.h>
     25 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_bar_gm107.c,v 1.2 2021/12/18 23:45:38 riastradh Exp $");
     26 
     27 #include "gf100.h"
     28 
     29 #include <subdev/timer.h>
     30 
     31 void
     32 gm107_bar_bar1_wait(struct nvkm_bar *bar)
     33 {
     34 	struct nvkm_device *device = bar->subdev.device;
     35 	nvkm_msec(device, 2000,
     36 		if (!(nvkm_rd32(device, 0x001710) & 0x00000003))
     37 			break;
     38 	);
     39 }
     40 
     41 static void
     42 gm107_bar_bar2_wait(struct nvkm_bar *bar)
     43 {
     44 	struct nvkm_device *device = bar->subdev.device;
     45 	nvkm_msec(device, 2000,
     46 		if (!(nvkm_rd32(device, 0x001710) & 0x0000000c))
     47 			break;
     48 	);
     49 }
     50 
     51 static const struct nvkm_bar_func
     52 gm107_bar_func = {
     53 	.dtor = gf100_bar_dtor,
     54 	.oneinit = gf100_bar_oneinit,
     55 	.bar1.init = gf100_bar_bar1_init,
     56 	.bar1.fini = gf100_bar_bar1_fini,
     57 	.bar1.wait = gm107_bar_bar1_wait,
     58 	.bar1.vmm = gf100_bar_bar1_vmm,
     59 	.bar2.init = gf100_bar_bar2_init,
     60 	.bar2.fini = gf100_bar_bar2_fini,
     61 	.bar2.wait = gm107_bar_bar2_wait,
     62 	.bar2.vmm = gf100_bar_bar2_vmm,
     63 	.flush = g84_bar_flush,
     64 };
     65 
     66 int
     67 gm107_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar)
     68 {
     69 	return gf100_bar_new_(&gm107_bar_func, device, index, pbar);
     70 }
     71