subdev/i2c/gm200.c

0001 /*
0002  * Copyright 2012 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  * Authors: Ben Skeggs
0023  */
0024 #include "priv.h"
0025 #include "pad.h"
0026
0027 static void
0028 gm200_aux_autodpcd(struct nvkm_i2c *i2c, int aux, bool enable)
0029 {
0030     nvkm_mask(i2c->subdev.device, 0x00d968 + (aux * 0x50), 0x00010000, enable << 16);
0031 }
0032
0033 static const struct nvkm_i2c_func
0034 gm200_i2c = {
0035     .pad_x_new = gf119_i2c_pad_x_new,
0036     .pad_s_new = gm200_i2c_pad_s_new,
0037     .aux = 8,
0038     .aux_stat = gk104_aux_stat,
0039     .aux_mask = gk104_aux_mask,
0040     .aux_autodpcd = gm200_aux_autodpcd,
0041 };
0042
0043 int
0044 gm200_i2c_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
0045           struct nvkm_i2c **pi2c)
0046 {
0047     return nvkm_i2c_new_(&gm200_i2c, device, type, inst, pi2c);
0048 }