subdev/bar/gm107.c

0001 /*
0002  * Copyright 2017 Red Hat Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  */
0022 #include "gf100.h"
0023
0024 #include <subdev/timer.h>
0025
0026 void
0027 gm107_bar_bar1_wait(struct nvkm_bar *bar)
0028 {
0029     struct nvkm_device *device = bar->subdev.device;
0030     nvkm_msec(device, 2000,
0031         if (!(nvkm_rd32(device, 0x001710) & 0x00000003))
0032             break;
0033     );
0034 }
0035
0036 static void
0037 gm107_bar_bar2_wait(struct nvkm_bar *bar)
0038 {
0039     struct nvkm_device *device = bar->subdev.device;
0040     nvkm_msec(device, 2000,
0041         if (!(nvkm_rd32(device, 0x001710) & 0x0000000c))
0042             break;
0043     );
0044 }
0045
0046 static const struct nvkm_bar_func
0047 gm107_bar_func = {
0048     .dtor = gf100_bar_dtor,
0049     .oneinit = gf100_bar_oneinit,
0050     .bar1.init = gf100_bar_bar1_init,
0051     .bar1.fini = gf100_bar_bar1_fini,
0052     .bar1.wait = gm107_bar_bar1_wait,
0053     .bar1.vmm = gf100_bar_bar1_vmm,
0054     .bar2.init = gf100_bar_bar2_init,
0055     .bar2.fini = gf100_bar_bar2_fini,
0056     .bar2.wait = gm107_bar_bar2_wait,
0057     .bar2.vmm = gf100_bar_bar2_vmm,
0058     .flush = g84_bar_flush,
0059 };
0060
0061 int
0062 gm107_bar_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
0063           struct nvkm_bar **pbar)
0064 {
0065     return gf100_bar_new_(&gm107_bar_func, device, type, inst, pbar);
0066 }