1 files changed, 0 insertions, 400 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_gpio.c b/drivers/gpu/drm/nouveau/nouveau_gpio.c
deleted file mode 100644
index ded74e555e5f..000000000000
--- a/drivers/gpu/drm/nouveau/nouveau_gpio.c
+++ /dev/null
@@ -1,400 +0,0 @@
-/*
- * Copyright 2011 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 <drm/drmP.h>
-#include "nouveau_drv.h"
-#include "nouveau_i2c.h"
-#include "nouveau_gpio.h"
-
-static u8 *
-dcb_gpio_table(struct drm_device *dev)
-{
-	u8 *dcb = dcb_table(dev);
-	if (dcb) {
-		if (dcb[0] >= 0x30 && dcb[1] >= 0x0c)
-			return ROMPTR(dev, dcb[0x0a]);
-		if (dcb[0] >= 0x22 && dcb[-1] >= 0x13)
-			return ROMPTR(dev, dcb[-15]);
-	}
-	return NULL;
-}
-
-static u8 *
-dcb_gpio_entry(struct drm_device *dev, int idx, int ent, u8 *version)
-{
-	u8 *table = dcb_gpio_table(dev);
-	if (table) {
-		*version = table[0];
-		if (*version < 0x30 && ent < table[2])
-			return table + 3 + (ent * table[1]);
-		else if (ent < table[2])
-			return table + table[1] + (ent * table[3]);
-	}
-	return NULL;
-}
-
-int
-nouveau_gpio_drive(struct drm_device *dev, int idx, int line, int dir, int out)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
-
-	return pgpio->drive ? pgpio->drive(dev, line, dir, out) : -ENODEV;
-}
-
-int
-nouveau_gpio_sense(struct drm_device *dev, int idx, int line)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
-
-	return pgpio->sense ? pgpio->sense(dev, line) : -ENODEV;
-}
-
-int
-nouveau_gpio_find(struct drm_device *dev, int idx, u8 func, u8 line,
-		  struct gpio_func *gpio)
-{
-	u8 *table, *entry, version;
-	int i = -1;
-
-	if (line == 0xff && func == 0xff)
-		return -EINVAL;
-
-	while ((entry = dcb_gpio_entry(dev, idx, ++i, &version))) {
-		if (version < 0x40) {
-			u16 data = ROM16(entry[0]);
-			*gpio = (struct gpio_func) {
-				.line = (data & 0x001f) >> 0,
-				.func = (data & 0x07e0) >> 5,
-				.log[0] = (data & 0x1800) >> 11,
-				.log[1] = (data & 0x6000) >> 13,
-			};
-		} else
-		if (version < 0x41) {
-			*gpio = (struct gpio_func) {
-				.line = entry[0] & 0x1f,
-				.func = entry[1],
-				.log[0] = (entry[3] & 0x18) >> 3,
-				.log[1] = (entry[3] & 0x60) >> 5,
-			};
-		} else {
-			*gpio = (struct gpio_func) {
-				.line = entry[0] & 0x3f,
-				.func = entry[1],
-				.log[0] = (entry[4] & 0x30) >> 4,
-				.log[1] = (entry[4] & 0xc0) >> 6,
-			};
-		}
-
-		if ((line == 0xff || line == gpio->line) &&
-		    (func == 0xff || func == gpio->func))
-			return 0;
-	}
-
-	/* DCB 2.2, fixed TVDAC GPIO data */
-	if ((table = dcb_table(dev)) && table[0] >= 0x22) {
-		if (func == DCB_GPIO_TVDAC0) {
-			*gpio = (struct gpio_func) {
-				.func = DCB_GPIO_TVDAC0,
-				.line = table[-4] >> 4,
-				.log[0] = !!(table[-5] & 2),
-				.log[1] =  !(table[-5] & 2),
-			};
-			return 0;
-		}
-	}
-
-	/* Apple iMac G4 NV18 */
-	if (nv_match_device(dev, 0x0189, 0x10de, 0x0010)) {
-		if (func == DCB_GPIO_TVDAC0) {
-			*gpio = (struct gpio_func) {
-				.func = DCB_GPIO_TVDAC0,
-				.line = 4,
-				.log[0] = 0,
-				.log[1] = 1,
-			};
-			return 0;
-		}
-	}
-
-	return -EINVAL;
-}
-
-int
-nouveau_gpio_set(struct drm_device *dev, int idx, u8 tag, u8 line, int state)
-{
-	struct gpio_func gpio;
-	int ret;
-
-	ret = nouveau_gpio_find(dev, idx, tag, line, &gpio);
-	if (ret == 0) {
-		int dir = !!(gpio.log[state] & 0x02);
-		int out = !!(gpio.log[state] & 0x01);
-		ret = nouveau_gpio_drive(dev, idx, gpio.line, dir, out);
-	}
-
-	return ret;
-}
-
-int
-nouveau_gpio_get(struct drm_device *dev, int idx, u8 tag, u8 line)
-{
-	struct gpio_func gpio;
-	int ret;
-
-	ret = nouveau_gpio_find(dev, idx, tag, line, &gpio);
-	if (ret == 0) {
-		ret = nouveau_gpio_sense(dev, idx, gpio.line);
-		if (ret >= 0)
-			ret = (ret == (gpio.log[1] & 1));
-	}
-
-	return ret;
-}
-
-int
-nouveau_gpio_irq(struct drm_device *dev, int idx, u8 tag, u8 line, bool on)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
-	struct gpio_func gpio;
-	int ret;
-
-	ret = nouveau_gpio_find(dev, idx, tag, line, &gpio);
-	if (ret == 0) {
-		if (idx == 0 && pgpio->irq_enable)
-			pgpio->irq_enable(dev, gpio.line, on);
-		else
-			ret = -ENODEV;
-	}
-
-	return ret;
-}
-
-struct gpio_isr {
-	struct drm_device *dev;
-	struct list_head head;
-	struct work_struct work;
-	int idx;
-	struct gpio_func func;
-	void (*handler)(void *, int);
-	void *data;
-	bool inhibit;
-};
-
-static void
-nouveau_gpio_isr_bh(struct work_struct *work)
-{
-	struct gpio_isr *isr = container_of(work, struct gpio_isr, work);
-	struct drm_device *dev = isr->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
-	unsigned long flags;
-	int state;
-
-	state = nouveau_gpio_get(dev, isr->idx, isr->func.func, isr->func.line);
-	if (state >= 0)
-		isr->handler(isr->data, state);
-
-	spin_lock_irqsave(&pgpio->lock, flags);
-	isr->inhibit = false;
-	spin_unlock_irqrestore(&pgpio->lock, flags);
-}
-
-void
-nouveau_gpio_isr(struct drm_device *dev, int idx, u32 line_mask)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
-	struct gpio_isr *isr;
-
-	if (idx != 0)
-		return;
-
-	spin_lock(&pgpio->lock);
-	list_for_each_entry(isr, &pgpio->isr, head) {
-		if (line_mask & (1 << isr->func.line)) {
-			if (isr->inhibit)
-				continue;
-			isr->inhibit = true;
-			schedule_work(&isr->work);
-		}
-	}
-	spin_unlock(&pgpio->lock);
-}
-
-int
-nouveau_gpio_isr_add(struct drm_device *dev, int idx, u8 tag, u8 line,
-		     void (*handler)(void *, int), void *data)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
-	struct gpio_isr *isr;
-	unsigned long flags;
-	int ret;
-
-	isr = kzalloc(sizeof(*isr), GFP_KERNEL);
-	if (!isr)
-		return -ENOMEM;
-
-	ret = nouveau_gpio_find(dev, idx, tag, line, &isr->func);
-	if (ret) {
-		kfree(isr);
-		return ret;
-	}
-
-	INIT_WORK(&isr->work, nouveau_gpio_isr_bh);
-	isr->dev = dev;
-	isr->handler = handler;
-	isr->data = data;
-	isr->idx = idx;
-
-	spin_lock_irqsave(&pgpio->lock, flags);
-	list_add(&isr->head, &pgpio->isr);
-	spin_unlock_irqrestore(&pgpio->lock, flags);
-	return 0;
-}
-
-void
-nouveau_gpio_isr_del(struct drm_device *dev, int idx, u8 tag, u8 line,
-		     void (*handler)(void *, int), void *data)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
-	struct gpio_isr *isr, *tmp;
-	struct gpio_func func;
-	unsigned long flags;
-	LIST_HEAD(tofree);
-	int ret;
-
-	ret = nouveau_gpio_find(dev, idx, tag, line, &func);
-	if (ret == 0) {
-		spin_lock_irqsave(&pgpio->lock, flags);
-		list_for_each_entry_safe(isr, tmp, &pgpio->isr, head) {
-			if (memcmp(&isr->func, &func, sizeof(func)) ||
-			    isr->idx != idx ||
-			    isr->handler != handler || isr->data != data)
-				continue;
-			list_move(&isr->head, &tofree);
-		}
-		spin_unlock_irqrestore(&pgpio->lock, flags);
-
-		list_for_each_entry_safe(isr, tmp, &tofree, head) {
-			flush_work(&isr->work);
-			kfree(isr);
-		}
-	}
-}
-
-int
-nouveau_gpio_create(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
-
-	INIT_LIST_HEAD(&pgpio->isr);
-	spin_lock_init(&pgpio->lock);
-
-	return nouveau_gpio_init(dev);
-}
-
-void
-nouveau_gpio_destroy(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
-
-	nouveau_gpio_fini(dev);
-	BUG_ON(!list_empty(&pgpio->isr));
-}
-
-int
-nouveau_gpio_init(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
-	int ret = 0;
-
-	if (pgpio->init)
-		ret = pgpio->init(dev);
-
-	return ret;
-}
-
-void
-nouveau_gpio_fini(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
-
-	if (pgpio->fini)
-		pgpio->fini(dev);
-}
-
-void
-nouveau_gpio_reset(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	u8 *entry, version;
-	int ent = -1;
-
-	while ((entry = dcb_gpio_entry(dev, 0, ++ent, &version))) {
-		u8 func = 0xff, line, defs, unk0, unk1;
-		if (version >= 0x41) {
-			defs = !!(entry[0] & 0x80);
-			line = entry[0] & 0x3f;
-			func = entry[1];
-			unk0 = entry[2];
-			unk1 = entry[3] & 0x1f;
-		} else
-		if (version >= 0x40) {
-			line = entry[0] & 0x1f;
-			func = entry[1];
-			defs = !!(entry[3] & 0x01);
-			unk0 = !!(entry[3] & 0x02);
-			unk1 = !!(entry[3] & 0x04);
-		} else {
-			break;
-		}
-
-		if (func == 0xff)
-			continue;
-
-		nouveau_gpio_func_set(dev, func, defs);
-
-		if (dev_priv->card_type >= NV_D0) {
-			nv_mask(dev, 0x00d610 + (line * 4), 0xff, unk0);
-			if (unk1--)
-				nv_mask(dev, 0x00d740 + (unk1 * 4), 0xff, line);
-		} else
-		if (dev_priv->card_type >= NV_50) {
-			static const u32 regs[] = { 0xe100, 0xe28c };
-			u32 val = (unk1 << 16) | unk0;
-			u32 reg = regs[line >> 4]; line &= 0x0f;
-
-			nv_mask(dev, reg, 0x00010001 << line, val << line);
-		}
-	}
-}