diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv17_gpio.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv17_gpio.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/drivers/gpu/drm/nouveau/nv17_gpio.c b/drivers/gpu/drm/nouveau/nv17_gpio.c deleted file mode 100644 index 2e58c331e9b7..000000000000 --- a/drivers/gpu/drm/nouveau/nv17_gpio.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Copyright (C) 2009 Francisco Jerez. - * All Rights Reserved. - * - * 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 (including the - * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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. - * - */ - -#include "drmP.h" -#include "nouveau_drv.h" -#include "nouveau_hw.h" - -static bool -get_gpio_location(struct dcb_gpio_entry *ent, uint32_t *reg, uint32_t *shift, - uint32_t *mask) -{ - if (ent->line < 2) { - *reg = NV_PCRTC_GPIO; - *shift = ent->line * 16; - *mask = 0x11; - - } else if (ent->line < 10) { - *reg = NV_PCRTC_GPIO_EXT; - *shift = (ent->line - 2) * 4; - *mask = 0x3; - - } else if (ent->line < 14) { - *reg = NV_PCRTC_850; - *shift = (ent->line - 10) * 4; - *mask = 0x3; - - } else { - return false; - } - - return true; -} - -int -nv17_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag) -{ - struct dcb_gpio_entry *ent = nouveau_bios_gpio_entry(dev, tag); - uint32_t reg, shift, mask, value; - - if (!ent) - return -ENODEV; - - if (!get_gpio_location(ent, ®, &shift, &mask)) - return -ENODEV; - - value = NVReadCRTC(dev, 0, reg) >> shift; - - return (ent->invert ? 1 : 0) ^ (value & 1); -} - -int -nv17_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state) -{ - struct dcb_gpio_entry *ent = nouveau_bios_gpio_entry(dev, tag); - uint32_t reg, shift, mask, value; - - if (!ent) - return -ENODEV; - - if (!get_gpio_location(ent, ®, &shift, &mask)) - return -ENODEV; - - value = ((ent->invert ? 1 : 0) ^ (state ? 1 : 0)) << shift; - mask = ~(mask << shift); - - NVWriteCRTC(dev, 0, reg, value | (NVReadCRTC(dev, 0, reg) & mask)); - - return 0; -} |