diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv10_gpio.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv10_gpio.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/drivers/gpu/drm/nouveau/nv10_gpio.c b/drivers/gpu/drm/nouveau/nv10_gpio.c deleted file mode 100644 index 9d79180069df..000000000000 --- a/drivers/gpu/drm/nouveau/nv10_gpio.c +++ /dev/null @@ -1,123 +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" -#include "nouveau_gpio.h" - -int -nv10_gpio_sense(struct drm_device *dev, int line) -{ - if (line < 2) { - line = line * 16; - line = NVReadCRTC(dev, 0, NV_PCRTC_GPIO) >> line; - return !!(line & 0x0100); - } else - if (line < 10) { - line = (line - 2) * 4; - line = NVReadCRTC(dev, 0, NV_PCRTC_GPIO_EXT) >> line; - return !!(line & 0x04); - } else - if (line < 14) { - line = (line - 10) * 4; - line = NVReadCRTC(dev, 0, NV_PCRTC_850) >> line; - return !!(line & 0x04); - } - - return -EINVAL; -} - -int -nv10_gpio_drive(struct drm_device *dev, int line, int dir, int out) -{ - u32 reg, mask, data; - - if (line < 2) { - line = line * 16; - reg = NV_PCRTC_GPIO; - mask = 0x00000011; - data = (dir << 4) | out; - } else - if (line < 10) { - line = (line - 2) * 4; - reg = NV_PCRTC_GPIO_EXT; - mask = 0x00000003; - data = (dir << 1) | out; - } else - if (line < 14) { - line = (line - 10) * 4; - reg = NV_PCRTC_850; - mask = 0x00000003; - data = (dir << 1) | out; - } else { - return -EINVAL; - } - - mask = NVReadCRTC(dev, 0, reg) & ~(mask << line); - NVWriteCRTC(dev, 0, reg, mask | (data << line)); - return 0; -} - -void -nv10_gpio_irq_enable(struct drm_device *dev, int line, bool on) -{ - u32 mask = 0x00010001 << line; - - nv_wr32(dev, 0x001104, mask); - nv_mask(dev, 0x001144, mask, on ? mask : 0); -} - -static void -nv10_gpio_isr(struct drm_device *dev) -{ - u32 intr = nv_rd32(dev, 0x1104); - u32 hi = (intr & 0x0000ffff) >> 0; - u32 lo = (intr & 0xffff0000) >> 16; - - nouveau_gpio_isr(dev, 0, hi | lo); - - nv_wr32(dev, 0x001104, intr); -} - -int -nv10_gpio_init(struct drm_device *dev) -{ - nv_wr32(dev, 0x001140, 0x00000000); - nv_wr32(dev, 0x001100, 0xffffffff); - nv_wr32(dev, 0x001144, 0x00000000); - nv_wr32(dev, 0x001104, 0xffffffff); - nouveau_irq_register(dev, 28, nv10_gpio_isr); /* PBUS */ - return 0; -} - -void -nv10_gpio_fini(struct drm_device *dev) -{ - nv_wr32(dev, 0x001140, 0x00000000); - nv_wr32(dev, 0x001144, 0x00000000); - nouveau_irq_unregister(dev, 28); -} |