2 * Copyright 2012 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
28 nve0_aux_stat(struct nouveau_i2c *i2c, u32 *hi, u32 *lo, u32 *rq, u32 *tx)
30 u32 intr = nv_rd32(i2c, 0x00dc60);
31 u32 stat = nv_rd32(i2c, 0x00dc68) & intr, i;
32 for (i = 0, *hi = *lo = *rq = *tx = 0; i < 8; i++) {
33 if ((stat & (1 << (i * 4)))) *hi |= 1 << i;
34 if ((stat & (2 << (i * 4)))) *lo |= 1 << i;
35 if ((stat & (4 << (i * 4)))) *rq |= 1 << i;
36 if ((stat & (8 << (i * 4)))) *tx |= 1 << i;
38 nv_wr32(i2c, 0x00dc60, intr);
42 nve0_aux_mask(struct nouveau_i2c *i2c, u32 type, u32 mask, u32 data)
44 u32 temp = nv_rd32(i2c, 0x00dc68), i;
45 for (i = 0; i < 8; i++) {
46 if (mask & (1 << i)) {
47 if (!(data & (1 << i))) {
48 temp &= ~(type << (i * 4));
51 temp |= type << (i * 4);
54 nv_wr32(i2c, 0x00dc68, temp);
57 struct nouveau_oclass *
58 nve0_i2c_oclass = &(struct nouveau_i2c_impl) {
59 .base.handle = NV_SUBDEV(I2C, 0xe0),
60 .base.ofuncs = &(struct nouveau_ofuncs) {
61 .ctor = _nouveau_i2c_ctor,
62 .dtor = _nouveau_i2c_dtor,
63 .init = _nouveau_i2c_init,
64 .fini = _nouveau_i2c_fini,
66 .sclass = nvd0_i2c_sclass,
67 .pad_x = &nv04_i2c_pad_oclass,
68 .pad_s = &nv94_i2c_pad_oclass,
70 .aux_stat = nve0_aux_stat,
71 .aux_mask = nve0_aux_mask,