diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/i2c/nv04.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/i2c/nv04.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv04.c deleted file mode 100644 index b1725bdea967..000000000000 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv04.c +++ /dev/null @@ -1,130 +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 <subdev/vga.h> - -#include "priv.h" - -struct nv04_i2c_priv { - struct nouveau_i2c base; -}; - -struct nv04_i2c_port { - struct nouveau_i2c_port base; - u8 drive; - u8 sense; -}; - -static void -nv04_i2c_drive_scl(struct nouveau_i2c_port *base, int state) -{ - struct nv04_i2c_priv *priv = (void *)nv_object(base)->engine; - struct nv04_i2c_port *port = (void *)base; - u8 val = nv_rdvgac(priv, 0, port->drive); - if (state) val |= 0x20; - else val &= 0xdf; - nv_wrvgac(priv, 0, port->drive, val | 0x01); -} - -static void -nv04_i2c_drive_sda(struct nouveau_i2c_port *base, int state) -{ - struct nv04_i2c_priv *priv = (void *)nv_object(base)->engine; - struct nv04_i2c_port *port = (void *)base; - u8 val = nv_rdvgac(priv, 0, port->drive); - if (state) val |= 0x10; - else val &= 0xef; - nv_wrvgac(priv, 0, port->drive, val | 0x01); -} - -static int -nv04_i2c_sense_scl(struct nouveau_i2c_port *base) -{ - struct nv04_i2c_priv *priv = (void *)nv_object(base)->engine; - struct nv04_i2c_port *port = (void *)base; - return !!(nv_rdvgac(priv, 0, port->sense) & 0x04); -} - -static int -nv04_i2c_sense_sda(struct nouveau_i2c_port *base) -{ - struct nv04_i2c_priv *priv = (void *)nv_object(base)->engine; - struct nv04_i2c_port *port = (void *)base; - return !!(nv_rdvgac(priv, 0, port->sense) & 0x08); -} - -static const struct nouveau_i2c_func -nv04_i2c_func = { - .drive_scl = nv04_i2c_drive_scl, - .drive_sda = nv04_i2c_drive_sda, - .sense_scl = nv04_i2c_sense_scl, - .sense_sda = nv04_i2c_sense_sda, -}; - -static int -nv04_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 nv04_i2c_port *port; - int ret; - - ret = nouveau_i2c_port_create(parent, engine, oclass, index, - &nouveau_i2c_bit_algo, &nv04_i2c_func, - &port); - *pobject = nv_object(port); - if (ret) - return ret; - - port->drive = info->drive; - port->sense = info->sense; - return 0; -} - -static struct nouveau_oclass -nv04_i2c_sclass[] = { - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NV04_BIT), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nv04_i2c_port_ctor, - .dtor = _nouveau_i2c_port_dtor, - .init = _nouveau_i2c_port_init, - .fini = _nouveau_i2c_port_fini, - }, - }, - {} -}; - -struct nouveau_oclass * -nv04_i2c_oclass = &(struct nouveau_i2c_impl) { - .base.handle = NV_SUBDEV(I2C, 0x04), - .base.ofuncs = &(struct nouveau_ofuncs) { - .ctor = _nouveau_i2c_ctor, - .dtor = _nouveau_i2c_dtor, - .init = _nouveau_i2c_init, - .fini = _nouveau_i2c_fini, - }, - .sclass = nv04_i2c_sclass, - .pad_x = &nv04_i2c_pad_oclass, -}.base; |