diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.c deleted file mode 100644 index 7b8756d4df08..000000000000 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * Copyright 2012 Red Hat Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: Ben Skeggs - */ - -#include "nv50.h" - -void -nv50_i2c_drive_scl(struct nouveau_i2c_port *base, int state) -{ - struct nv50_i2c_priv *priv = (void *)nv_object(base)->engine; - struct nv50_i2c_port *port = (void *)base; - if (state) port->state |= 0x01; - else port->state &= 0xfe; - nv_wr32(priv, port->addr, port->state); -} - -void -nv50_i2c_drive_sda(struct nouveau_i2c_port *base, int state) -{ - struct nv50_i2c_priv *priv = (void *)nv_object(base)->engine; - struct nv50_i2c_port *port = (void *)base; - if (state) port->state |= 0x02; - else port->state &= 0xfd; - nv_wr32(priv, port->addr, port->state); -} - -int -nv50_i2c_sense_scl(struct nouveau_i2c_port *base) -{ - struct nv50_i2c_priv *priv = (void *)nv_object(base)->engine; - struct nv50_i2c_port *port = (void *)base; - return !!(nv_rd32(priv, port->addr) & 0x00000001); -} - -int -nv50_i2c_sense_sda(struct nouveau_i2c_port *base) -{ - struct nv50_i2c_priv *priv = (void *)nv_object(base)->engine; - struct nv50_i2c_port *port = (void *)base; - return !!(nv_rd32(priv, port->addr) & 0x00000002); -} - -static const struct nouveau_i2c_func -nv50_i2c_func = { - .drive_scl = nv50_i2c_drive_scl, - .drive_sda = nv50_i2c_drive_sda, - .sense_scl = nv50_i2c_sense_scl, - .sense_sda = nv50_i2c_sense_sda, -}; - -const u32 nv50_i2c_addr[] = { - 0x00e138, 0x00e150, 0x00e168, 0x00e180, - 0x00e254, 0x00e274, 0x00e764, 0x00e780, - 0x00e79c, 0x00e7b8 -}; -const int nv50_i2c_addr_nr = ARRAY_SIZE(nv50_i2c_addr); - -static int -nv50_i2c_port_ctor(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 index, - struct nouveau_object **pobject) -{ - struct dcb_i2c_entry *info = data; - struct nv50_i2c_port *port; - int ret; - - ret = nouveau_i2c_port_create(parent, engine, oclass, index, - &nouveau_i2c_bit_algo, &nv50_i2c_func, - &port); - *pobject = nv_object(port); - if (ret) - return ret; - - if (info->drive >= nv50_i2c_addr_nr) - return -EINVAL; - - port->state = 0x00000007; - port->addr = nv50_i2c_addr[info->drive]; - return 0; -} - -int -nv50_i2c_port_init(struct nouveau_object *object) -{ - struct nv50_i2c_priv *priv = (void *)object->engine; - struct nv50_i2c_port *port = (void *)object; - nv_wr32(priv, port->addr, port->state); - return nouveau_i2c_port_init(&port->base); -} - -static struct nouveau_oclass -nv50_i2c_sclass[] = { - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nv50_i2c_port_ctor, - .dtor = _nouveau_i2c_port_dtor, - .init = nv50_i2c_port_init, - .fini = _nouveau_i2c_port_fini, - }, - }, - {} -}; - -struct nouveau_oclass * -nv50_i2c_oclass = &(struct nouveau_i2c_impl) { - .base.handle = NV_SUBDEV(I2C, 0x50), - .base.ofuncs = &(struct nouveau_ofuncs) { - .ctor = _nouveau_i2c_ctor, - .dtor = _nouveau_i2c_dtor, - .init = _nouveau_i2c_init, - .fini = _nouveau_i2c_fini, - }, - .sclass = nv50_i2c_sclass, - .pad_x = &nv04_i2c_pad_oclass, -}.base; |