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Diffstat (limited to 'nvkm/subdev/volt/gpio.c')
-rw-r--r--nvkm/subdev/volt/gpio.c96
1 files changed, 0 insertions, 96 deletions
diff --git a/nvkm/subdev/volt/gpio.c b/nvkm/subdev/volt/gpio.c
deleted file mode 100644
index 755fa91bc..000000000
--- a/nvkm/subdev/volt/gpio.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyright 2013 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/volt.h>
-#include <subdev/gpio.h>
-#include <subdev/bios/gpio.h>
-
-static const u8 tags[] = {
- DCB_GPIO_VID0, DCB_GPIO_VID1, DCB_GPIO_VID2, DCB_GPIO_VID3,
- DCB_GPIO_VID4, DCB_GPIO_VID5, DCB_GPIO_VID6, DCB_GPIO_VID7,
-};
-
-int
-nouveau_voltgpio_get(struct nouveau_volt *volt)
-{
- struct nouveau_gpio *gpio = nouveau_gpio(volt);
- u8 vid = 0;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(tags); i++) {
- if (volt->vid_mask & (1 << i)) {
- int ret = gpio->get(gpio, 0, tags[i], 0xff);
- if (ret < 0)
- return ret;
- vid |= ret << i;
- }
- }
-
- return vid;
-}
-
-int
-nouveau_voltgpio_set(struct nouveau_volt *volt, u8 vid)
-{
- struct nouveau_gpio *gpio = nouveau_gpio(volt);
- int i;
-
- for (i = 0; i < ARRAY_SIZE(tags); i++, vid >>= 1) {
- if (volt->vid_mask & (1 << i)) {
- int ret = gpio->set(gpio, 0, tags[i], 0xff, vid & 1);
- if (ret < 0)
- return ret;
- }
- }
-
- return 0;
-}
-
-int
-nouveau_voltgpio_init(struct nouveau_volt *volt)
-{
- struct nouveau_gpio *gpio = nouveau_gpio(volt);
- struct dcb_gpio_func func;
- int i;
-
- /* check we have gpio function info for each vid bit. on some
- * boards (ie. nvs295) the vid mask has more bits than there
- * are valid gpio functions... from traces, nvidia appear to
- * just touch the existing ones, so let's mask off the invalid
- * bits and continue with life
- */
- for (i = 0; i < ARRAY_SIZE(tags); i++) {
- if (volt->vid_mask & (1 << i)) {
- int ret = gpio->find(gpio, 0, tags[i], 0xff, &func);
- if (ret) {
- if (ret != -ENOENT)
- return ret;
- nv_debug(volt, "VID bit %d has no GPIO\n", i);
- volt->vid_mask &= ~(1 << i);
- }
- }
- }
-
- return 0;
-}