diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/gpu/drm/nouveau/nvkm/subdev/gpio/gf110.c | |
parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/gpio/gf110.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/gpio/gf110.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/gf110.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/gf110.c deleted file mode 100644 index 2c3bb255d..000000000 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/gf110.c +++ /dev/null @@ -1,84 +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 "priv.h" - -void -gf110_gpio_reset(struct nvkm_gpio *gpio, u8 match) -{ - struct nvkm_bios *bios = nvkm_bios(gpio); - u8 ver, len; - u16 entry; - int ent = -1; - - while ((entry = dcb_gpio_entry(bios, 0, ++ent, &ver, &len))) { - u32 data = nv_ro32(bios, entry); - u8 line = (data & 0x0000003f); - u8 defs = !!(data & 0x00000080); - u8 func = (data & 0x0000ff00) >> 8; - u8 unk0 = (data & 0x00ff0000) >> 16; - u8 unk1 = (data & 0x1f000000) >> 24; - - if ( func == DCB_GPIO_UNUSED || - (match != DCB_GPIO_UNUSED && match != func)) - continue; - - gpio->set(gpio, 0, func, line, defs); - - nv_mask(gpio, 0x00d610 + (line * 4), 0xff, unk0); - if (unk1--) - nv_mask(gpio, 0x00d740 + (unk1 * 4), 0xff, line); - } -} - -int -gf110_gpio_drive(struct nvkm_gpio *gpio, int line, int dir, int out) -{ - u32 data = ((dir ^ 1) << 13) | (out << 12); - nv_mask(gpio, 0x00d610 + (line * 4), 0x00003000, data); - nv_mask(gpio, 0x00d604, 0x00000001, 0x00000001); /* update? */ - return 0; -} - -int -gf110_gpio_sense(struct nvkm_gpio *gpio, int line) -{ - return !!(nv_rd32(gpio, 0x00d610 + (line * 4)) & 0x00004000); -} - -struct nvkm_oclass * -gf110_gpio_oclass = &(struct nvkm_gpio_impl) { - .base.handle = NV_SUBDEV(GPIO, 0xd0), - .base.ofuncs = &(struct nvkm_ofuncs) { - .ctor = _nvkm_gpio_ctor, - .dtor = _nvkm_gpio_dtor, - .init = _nvkm_gpio_init, - .fini = _nvkm_gpio_fini, - }, - .lines = 32, - .intr_stat = g94_gpio_intr_stat, - .intr_mask = g94_gpio_intr_mask, - .drive = gf110_gpio_drive, - .sense = gf110_gpio_sense, - .reset = gf110_gpio_reset, -}.base; |