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 nvd0_i2c_sense_scl(struct nouveau_i2c_port *base)
30 struct nv50_i2c_priv *priv = (void *)nv_object(base)->engine;
31 struct nv50_i2c_port *port = (void *)base;
32 return !!(nv_rd32(priv, port->addr) & 0x00000010);
36 nvd0_i2c_sense_sda(struct nouveau_i2c_port *base)
38 struct nv50_i2c_priv *priv = (void *)nv_object(base)->engine;
39 struct nv50_i2c_port *port = (void *)base;
40 return !!(nv_rd32(priv, port->addr) & 0x00000020);
43 static const struct nouveau_i2c_func
45 .drive_scl = nv50_i2c_drive_scl,
46 .drive_sda = nv50_i2c_drive_sda,
47 .sense_scl = nvd0_i2c_sense_scl,
48 .sense_sda = nvd0_i2c_sense_sda,
52 nvd0_i2c_port_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
53 struct nouveau_oclass *oclass, void *data, u32 index,
54 struct nouveau_object **pobject)
56 struct dcb_i2c_entry *info = data;
57 struct nv50_i2c_port *port;
60 ret = nouveau_i2c_port_create(parent, engine, oclass, index,
61 &nouveau_i2c_bit_algo, &nvd0_i2c_func,
63 *pobject = nv_object(port);
67 port->state = 0x00000007;
68 port->addr = 0x00d014 + (info->drive * 0x20);
74 { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT),
75 .ofuncs = &(struct nouveau_ofuncs) {
76 .ctor = nvd0_i2c_port_ctor,
77 .dtor = _nouveau_i2c_port_dtor,
78 .init = nv50_i2c_port_init,
79 .fini = _nouveau_i2c_port_fini,
82 { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_AUX),
83 .ofuncs = &(struct nouveau_ofuncs) {
84 .ctor = nv94_aux_port_ctor,
85 .dtor = _nouveau_i2c_port_dtor,
86 .init = _nouveau_i2c_port_init,
87 .fini = _nouveau_i2c_port_fini,
93 struct nouveau_oclass *
94 nvd0_i2c_oclass = &(struct nouveau_i2c_impl) {
95 .base.handle = NV_SUBDEV(I2C, 0xd0),
96 .base.ofuncs = &(struct nouveau_ofuncs) {
97 .ctor = _nouveau_i2c_ctor,
98 .dtor = _nouveau_i2c_dtor,
99 .init = _nouveau_i2c_init,
100 .fini = _nouveau_i2c_fini,
102 .sclass = nvd0_i2c_sclass,
103 .pad_x = &nv04_i2c_pad_oclass,
104 .pad_s = &nv94_i2c_pad_oclass,
106 .aux_stat = nv94_aux_stat,
107 .aux_mask = nv94_aux_mask,