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path: root/drivers/gpu/drm/nouveau/nv10_gpio.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv10_gpio.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv10_gpio.c123
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 ecc1b62dd75..00000000000
--- 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 <drm/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);
-}