[RESEND PATCH linux-next v2 02/10] drm: Remove the obsolete driver-mga

From: Cai Huoqing
Date: Sat Dec 03 2022 - 05:28:08 EST

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Commit 399516ab0fee ("MAINTAINERS: Add a bunch of legacy (UMS) DRM drivers")
marked mga driver obsolete 7 years ago.
And the mesa UMD of this drm driver already in deprecated list
in the link: https://docs.mesa3d.org/systems.html
Matrox-->driver/gpu/drm/mga

It's time to remove this driver.

Signed-off-by: Cai Huoqing <cai.huoqing@xxxxxxxxx>
---
drivers/gpu/drm/Kconfig | 9 -
drivers/gpu/drm/Makefile | 1 -
drivers/gpu/drm/mga/Makefile | 11 -
drivers/gpu/drm/mga/mga_dma.c | 1168 -------------------------------
drivers/gpu/drm/mga/mga_drv.c | 104 ---
drivers/gpu/drm/mga/mga_drv.h | 685 ------------------
drivers/gpu/drm/mga/mga_ioc32.c | 197 ------
drivers/gpu/drm/mga/mga_irq.c | 169 -----
drivers/gpu/drm/mga/mga_state.c | 1099 -----------------------------
drivers/gpu/drm/mga/mga_warp.c | 167 -----
include/uapi/drm/mga_drm.h | 429 ------------
11 files changed, 4039 deletions(-)
delete mode 100644 drivers/gpu/drm/mga/Makefile
delete mode 100644 drivers/gpu/drm/mga/mga_dma.c
delete mode 100644 drivers/gpu/drm/mga/mga_drv.c
delete mode 100644 drivers/gpu/drm/mga/mga_drv.h
delete mode 100644 drivers/gpu/drm/mga/mga_ioc32.c
delete mode 100644 drivers/gpu/drm/mga/mga_irq.c
delete mode 100644 drivers/gpu/drm/mga/mga_state.c
delete mode 100644 drivers/gpu/drm/mga/mga_warp.c
delete mode 100644 include/uapi/drm/mga_drm.h

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index aef959994af5..fa17855ae23c 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -408,15 +408,6 @@ config DRM_R128
is selected, the module will be called r128. AGP support for
this card is strongly suggested (unless you have a PCI version).

-config DRM_MGA
- tristate "Matrox g200/g400"
- depends on DRM && PCI
- select FW_LOADER
- help
- Choose this option if you have a Matrox G200, G400 or G450 graphics
- card. If M is selected, the module will be called mga. AGP
- support is required for this driver to work.
-
config DRM_SIS
tristate "SiS video cards"
depends on DRM && AGP
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index fd77f9a778f6..805fa32b60ba 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -138,7 +138,6 @@ obj-$(CONFIG_DRM_TDFX) += tdfx/
obj-$(CONFIG_DRM_R128) += r128/
obj-$(CONFIG_DRM_RADEON)+= radeon/
obj-$(CONFIG_DRM_AMDGPU)+= amd/amdgpu/
-obj-$(CONFIG_DRM_MGA) += mga/
obj-$(CONFIG_DRM_I915) += i915/
obj-$(CONFIG_DRM_KMB_DISPLAY) += kmb/
obj-$(CONFIG_DRM_MGAG200) += mgag200/
diff --git a/drivers/gpu/drm/mga/Makefile b/drivers/gpu/drm/mga/Makefile
deleted file mode 100644
index db07c7fcc996..000000000000
--- a/drivers/gpu/drm/mga/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-#
-# Makefile for the drm device driver. This driver provides support for the
-# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
-
-mga-y := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o
-
-mga-$(CONFIG_COMPAT) += mga_ioc32.o
-
-obj-$(CONFIG_DRM_MGA) += mga.o
-
diff --git a/drivers/gpu/drm/mga/mga_dma.c b/drivers/gpu/drm/mga/mga_dma.c
deleted file mode 100644
index 331c2f0da57a..000000000000
--- a/drivers/gpu/drm/mga/mga_dma.c
+++ /dev/null
@@ -1,1168 +0,0 @@
-/* mga_dma.c -- DMA support for mga g200/g400 -*- linux-c -*-
- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@xxxxxxxxxxxxxxxxxxxx
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * PRECISION INSIGHT 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.
- */
-
-/*
- * \file mga_dma.c
- * DMA support for MGA G200 / G400.
- *
- * \author Rickard E. (Rik) Faith <faith@xxxxxxxxxxx>
- * \author Jeff Hartmann <jhartmann@xxxxxxxxxxx>
- * \author Keith Whitwell <keith@xxxxxxxxxxxxxxxxxxxx>
- * \author Gareth Hughes <gareth@xxxxxxxxxxx>
- */
-
-#include <linux/delay.h>
-
-#include "mga_drv.h"
-
-#define MGA_DEFAULT_USEC_TIMEOUT 10000
-#define MGA_FREELIST_DEBUG 0
-
-#define MINIMAL_CLEANUP 0
-#define FULL_CLEANUP 1
-static int mga_do_cleanup_dma(struct drm_device *dev, int full_cleanup);
-
-/* ================================================================
- * Engine control
- */
-
-int mga_do_wait_for_idle(drm_mga_private_t *dev_priv)
-{
- u32 status = 0;
- int i;
- DRM_DEBUG("\n");
-
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
- if (status == MGA_ENDPRDMASTS) {
- MGA_WRITE8(MGA_CRTC_INDEX, 0);
- return 0;
- }
- udelay(1);
- }
-
-#if MGA_DMA_DEBUG
- DRM_ERROR("failed!\n");
- DRM_INFO(" status=0x%08x\n", status);
-#endif
- return -EBUSY;
-}
-
-static int mga_do_dma_reset(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_primary_buffer_t *primary = &dev_priv->prim;
-
- DRM_DEBUG("\n");
-
- /* The primary DMA stream should look like new right about now.
- */
- primary->tail = 0;
- primary->space = primary->size;
- primary->last_flush = 0;
-
- sarea_priv->last_wrap = 0;
-
- /* FIXME: Reset counters, buffer ages etc...
- */
-
- /* FIXME: What else do we need to reinitialize? WARP stuff?
- */
-
- return 0;
-}
-
-/* ================================================================
- * Primary DMA stream
- */
-
-void mga_do_dma_flush(drm_mga_private_t *dev_priv)
-{
- drm_mga_primary_buffer_t *primary = &dev_priv->prim;
- u32 head, tail;
- u32 status = 0;
- int i;
- DMA_LOCALS;
- DRM_DEBUG("\n");
-
- /* We need to wait so that we can do an safe flush */
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
- if (status == MGA_ENDPRDMASTS)
- break;
- udelay(1);
- }
-
- if (primary->tail == primary->last_flush) {
- DRM_DEBUG(" bailing out...\n");
- return;
- }
-
- tail = primary->tail + dev_priv->primary->offset;
-
- /* We need to pad the stream between flushes, as the card
- * actually (partially?) reads the first of these commands.
- * See page 4-16 in the G400 manual, middle of the page or so.
- */
- BEGIN_DMA(1);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);
-
- ADVANCE_DMA();
-
- primary->last_flush = primary->tail;
-
- head = MGA_READ(MGA_PRIMADDRESS);
-
- if (head <= tail)
- primary->space = primary->size - primary->tail;
- else
- primary->space = head - tail;
-
- DRM_DEBUG(" head = 0x%06lx\n", (unsigned long)(head - dev_priv->primary->offset));
- DRM_DEBUG(" tail = 0x%06lx\n", (unsigned long)(tail - dev_priv->primary->offset));
- DRM_DEBUG(" space = 0x%06x\n", primary->space);
-
- mga_flush_write_combine();
- MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access);
-
- DRM_DEBUG("done.\n");
-}
-
-void mga_do_dma_wrap_start(drm_mga_private_t *dev_priv)
-{
- drm_mga_primary_buffer_t *primary = &dev_priv->prim;
- u32 head, tail;
- DMA_LOCALS;
- DRM_DEBUG("\n");
-
- BEGIN_DMA_WRAP();
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);
-
- ADVANCE_DMA();
-
- tail = primary->tail + dev_priv->primary->offset;
-
- primary->tail = 0;
- primary->last_flush = 0;
- primary->last_wrap++;
-
- head = MGA_READ(MGA_PRIMADDRESS);
-
- if (head == dev_priv->primary->offset)
- primary->space = primary->size;
- else
- primary->space = head - dev_priv->primary->offset;
-
- DRM_DEBUG(" head = 0x%06lx\n", (unsigned long)(head - dev_priv->primary->offset));
- DRM_DEBUG(" tail = 0x%06x\n", primary->tail);
- DRM_DEBUG(" wrap = %d\n", primary->last_wrap);
- DRM_DEBUG(" space = 0x%06x\n", primary->space);
-
- mga_flush_write_combine();
- MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access);
-
- set_bit(0, &primary->wrapped);
- DRM_DEBUG("done.\n");
-}
-
-void mga_do_dma_wrap_end(drm_mga_private_t *dev_priv)
-{
- drm_mga_primary_buffer_t *primary = &dev_priv->prim;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- u32 head = dev_priv->primary->offset;
- DRM_DEBUG("\n");
-
- sarea_priv->last_wrap++;
- DRM_DEBUG(" wrap = %d\n", sarea_priv->last_wrap);
-
- mga_flush_write_combine();
- MGA_WRITE(MGA_PRIMADDRESS, head | MGA_DMA_GENERAL);
-
- clear_bit(0, &primary->wrapped);
- DRM_DEBUG("done.\n");
-}
-
-/* ================================================================
- * Freelist management
- */
-
-#define MGA_BUFFER_USED (~0)
-#define MGA_BUFFER_FREE 0
-
-#if MGA_FREELIST_DEBUG
-static void mga_freelist_print(struct drm_device *dev)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_freelist_t *entry;
-
- DRM_INFO("\n");
- DRM_INFO("current dispatch: last=0x%x done=0x%x\n",
- dev_priv->sarea_priv->last_dispatch,
- (unsigned int)(MGA_READ(MGA_PRIMADDRESS) -
- dev_priv->primary->offset));
- DRM_INFO("current freelist:\n");
-
- for (entry = dev_priv->head->next; entry; entry = entry->next) {
- DRM_INFO(" %p idx=%2d age=0x%x 0x%06lx\n",
- entry, entry->buf->idx, entry->age.head,
- (unsigned long)(entry->age.head - dev_priv->primary->offset));
- }
- DRM_INFO("\n");
-}
-#endif
-
-static int mga_freelist_init(struct drm_device *dev, drm_mga_private_t *dev_priv)
-{
- struct drm_device_dma *dma = dev->dma;
- struct drm_buf *buf;
- drm_mga_buf_priv_t *buf_priv;
- drm_mga_freelist_t *entry;
- int i;
- DRM_DEBUG("count=%d\n", dma->buf_count);
-
- dev_priv->head = kzalloc(sizeof(drm_mga_freelist_t), GFP_KERNEL);
- if (dev_priv->head == NULL)
- return -ENOMEM;
-
- SET_AGE(&dev_priv->head->age, MGA_BUFFER_USED, 0);
-
- for (i = 0; i < dma->buf_count; i++) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
-
- entry = kzalloc(sizeof(drm_mga_freelist_t), GFP_KERNEL);
- if (entry == NULL)
- return -ENOMEM;
-
- entry->next = dev_priv->head->next;
- entry->prev = dev_priv->head;
- SET_AGE(&entry->age, MGA_BUFFER_FREE, 0);
- entry->buf = buf;
-
- if (dev_priv->head->next != NULL)
- dev_priv->head->next->prev = entry;
- if (entry->next == NULL)
- dev_priv->tail = entry;
-
- buf_priv->list_entry = entry;
- buf_priv->discard = 0;
- buf_priv->dispatched = 0;
-
- dev_priv->head->next = entry;
- }
-
- return 0;
-}
-
-static void mga_freelist_cleanup(struct drm_device *dev)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_freelist_t *entry;
- drm_mga_freelist_t *next;
- DRM_DEBUG("\n");
-
- entry = dev_priv->head;
- while (entry) {
- next = entry->next;
- kfree(entry);
- entry = next;
- }
-
- dev_priv->head = dev_priv->tail = NULL;
-}
-
-#if 0
-/* FIXME: Still needed?
- */
-static void mga_freelist_reset(struct drm_device *dev)
-{
- struct drm_device_dma *dma = dev->dma;
- struct drm_buf *buf;
- drm_mga_buf_priv_t *buf_priv;
- int i;
-
- for (i = 0; i < dma->buf_count; i++) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
- SET_AGE(&buf_priv->list_entry->age, MGA_BUFFER_FREE, 0);
- }
-}
-#endif
-
-static struct drm_buf *mga_freelist_get(struct drm_device * dev)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_freelist_t *next;
- drm_mga_freelist_t *prev;
- drm_mga_freelist_t *tail = dev_priv->tail;
- u32 head, wrap;
- DRM_DEBUG("\n");
-
- head = MGA_READ(MGA_PRIMADDRESS);
- wrap = dev_priv->sarea_priv->last_wrap;
-
- DRM_DEBUG(" tail=0x%06lx %d\n",
- tail->age.head ?
- (unsigned long)(tail->age.head - dev_priv->primary->offset) : 0,
- tail->age.wrap);
- DRM_DEBUG(" head=0x%06lx %d\n",
- (unsigned long)(head - dev_priv->primary->offset), wrap);
-
- if (TEST_AGE(&tail->age, head, wrap)) {
- prev = dev_priv->tail->prev;
- next = dev_priv->tail;
- prev->next = NULL;
- next->prev = next->next = NULL;
- dev_priv->tail = prev;
- SET_AGE(&next->age, MGA_BUFFER_USED, 0);
- return next->buf;
- }
-
- DRM_DEBUG("returning NULL!\n");
- return NULL;
-}
-
-int mga_freelist_put(struct drm_device *dev, struct drm_buf *buf)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_buf_priv_t *buf_priv = buf->dev_private;
- drm_mga_freelist_t *head, *entry, *prev;
-
- DRM_DEBUG("age=0x%06lx wrap=%d\n",
- (unsigned long)(buf_priv->list_entry->age.head -
- dev_priv->primary->offset),
- buf_priv->list_entry->age.wrap);
-
- entry = buf_priv->list_entry;
- head = dev_priv->head;
-
- if (buf_priv->list_entry->age.head == MGA_BUFFER_USED) {
- SET_AGE(&entry->age, MGA_BUFFER_FREE, 0);
- prev = dev_priv->tail;
- prev->next = entry;
- entry->prev = prev;
- entry->next = NULL;
- } else {
- prev = head->next;
- head->next = entry;
- prev->prev = entry;
- entry->prev = head;
- entry->next = prev;
- }
-
- return 0;
-}
-
-/* ================================================================
- * DMA initialization, cleanup
- */
-
-int mga_driver_load(struct drm_device *dev, unsigned long flags)
-{
- struct pci_dev *pdev = to_pci_dev(dev->dev);
- drm_mga_private_t *dev_priv;
- int ret;
-
- /* There are PCI versions of the G450. These cards have the
- * same PCI ID as the AGP G450, but have an additional PCI-to-PCI
- * bridge chip. We detect these cards, which are not currently
- * supported by this driver, by looking at the device ID of the
- * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the
- * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the
- * device.
- */
- if ((pdev->device == 0x0525) && pdev->bus->self
- && (pdev->bus->self->vendor == 0x3388)
- && (pdev->bus->self->device == 0x0021)
- && dev->agp) {
- /* FIXME: This should be quirked in the pci core, but oh well
- * the hw probably stopped existing. */
- arch_phys_wc_del(dev->agp->agp_mtrr);
- kfree(dev->agp);
- dev->agp = NULL;
- }
- dev_priv = kzalloc(sizeof(drm_mga_private_t), GFP_KERNEL);
- if (!dev_priv)
- return -ENOMEM;
-
- dev->dev_private = (void *)dev_priv;
-
- dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT;
- dev_priv->chipset = flags;
-
- pci_set_master(pdev);
-
- dev_priv->mmio_base = pci_resource_start(pdev, 1);
- dev_priv->mmio_size = pci_resource_len(pdev, 1);
-
- ret = drm_vblank_init(dev, 1);
-
- if (ret) {
- (void) mga_driver_unload(dev);
- return ret;
- }
-
- return 0;
-}
-
-#if IS_ENABLED(CONFIG_AGP)
-/*
- * Bootstrap the driver for AGP DMA.
- *
- * \todo
- * Investigate whether there is any benefit to storing the WARP microcode in
- * AGP memory. If not, the microcode may as well always be put in PCI
- * memory.
- *
- * \todo
- * This routine needs to set dma_bs->agp_mode to the mode actually configured
- * in the hardware. Looking just at the Linux AGP driver code, I don't see
- * an easy way to determine this.
- *
- * \sa mga_do_dma_bootstrap, mga_do_pci_dma_bootstrap
- */
-static int mga_do_agp_dma_bootstrap(struct drm_device *dev,
- drm_mga_dma_bootstrap_t *dma_bs)
-{
- drm_mga_private_t *const dev_priv =
- (drm_mga_private_t *) dev->dev_private;
- unsigned int warp_size = MGA_WARP_UCODE_SIZE;
- int err;
- unsigned offset;
- const unsigned secondary_size = dma_bs->secondary_bin_count
- * dma_bs->secondary_bin_size;
- const unsigned agp_size = (dma_bs->agp_size << 20);
- struct drm_buf_desc req;
- struct drm_agp_mode mode;
- struct drm_agp_info info;
- struct drm_agp_buffer agp_req;
- struct drm_agp_binding bind_req;
-
- /* Acquire AGP. */
- err = drm_legacy_agp_acquire(dev);
- if (err) {
- DRM_ERROR("Unable to acquire AGP: %d\n", err);
- return err;
- }
-
- err = drm_legacy_agp_info(dev, &info);
- if (err) {
- DRM_ERROR("Unable to get AGP info: %d\n", err);
- return err;
- }
-
- mode.mode = (info.mode & ~0x07) | dma_bs->agp_mode;
- err = drm_legacy_agp_enable(dev, mode);
- if (err) {
- DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode);
- return err;
- }
-
- /* In addition to the usual AGP mode configuration, the G200 AGP cards
- * need to have the AGP mode "manually" set.
- */
-
- if (dev_priv->chipset == MGA_CARD_TYPE_G200) {
- if (mode.mode & 0x02)
- MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_ENABLE);
- else
- MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_DISABLE);
- }
-
- /* Allocate and bind AGP memory. */
- agp_req.size = agp_size;
- agp_req.type = 0;
- err = drm_legacy_agp_alloc(dev, &agp_req);
- if (err) {
- dev_priv->agp_size = 0;
- DRM_ERROR("Unable to allocate %uMB AGP memory\n",
- dma_bs->agp_size);
- return err;
- }
-
- dev_priv->agp_size = agp_size;
- dev_priv->agp_handle = agp_req.handle;
-
- bind_req.handle = agp_req.handle;
- bind_req.offset = 0;
- err = drm_legacy_agp_bind(dev, &bind_req);
- if (err) {
- DRM_ERROR("Unable to bind AGP memory: %d\n", err);
- return err;
- }
-
- /* Make drm_legacy_addbufs happy by not trying to create a mapping for
- * less than a page.
- */
- if (warp_size < PAGE_SIZE)
- warp_size = PAGE_SIZE;
-
- offset = 0;
- err = drm_legacy_addmap(dev, offset, warp_size,
- _DRM_AGP, _DRM_READ_ONLY, &dev_priv->warp);
- if (err) {
- DRM_ERROR("Unable to map WARP microcode: %d\n", err);
- return err;
- }
-
- offset += warp_size;
- err = drm_legacy_addmap(dev, offset, dma_bs->primary_size,
- _DRM_AGP, _DRM_READ_ONLY, &dev_priv->primary);
- if (err) {
- DRM_ERROR("Unable to map primary DMA region: %d\n", err);
- return err;
- }
-
- offset += dma_bs->primary_size;
- err = drm_legacy_addmap(dev, offset, secondary_size,
- _DRM_AGP, 0, &dev->agp_buffer_map);
- if (err) {
- DRM_ERROR("Unable to map secondary DMA region: %d\n", err);
- return err;
- }
-
- (void)memset(&req, 0, sizeof(req));
- req.count = dma_bs->secondary_bin_count;
- req.size = dma_bs->secondary_bin_size;
- req.flags = _DRM_AGP_BUFFER;
- req.agp_start = offset;
-
- err = drm_legacy_addbufs_agp(dev, &req);
- if (err) {
- DRM_ERROR("Unable to add secondary DMA buffers: %d\n", err);
- return err;
- }
-
- {
- struct drm_map_list *_entry;
- unsigned long agp_token = 0;
-
- list_for_each_entry(_entry, &dev->maplist, head) {
- if (_entry->map == dev->agp_buffer_map)
- agp_token = _entry->user_token;
- }
- if (!agp_token)
- return -EFAULT;
-
- dev->agp_buffer_token = agp_token;
- }
-
- offset += secondary_size;
- err = drm_legacy_addmap(dev, offset, agp_size - offset,
- _DRM_AGP, 0, &dev_priv->agp_textures);
- if (err) {
- DRM_ERROR("Unable to map AGP texture region %d\n", err);
- return err;
- }
-
- drm_legacy_ioremap(dev_priv->warp, dev);
- drm_legacy_ioremap(dev_priv->primary, dev);
- drm_legacy_ioremap(dev->agp_buffer_map, dev);
-
- if (!dev_priv->warp->handle ||
- !dev_priv->primary->handle || !dev->agp_buffer_map->handle) {
- DRM_ERROR("failed to ioremap agp regions! (%p, %p, %p)\n",
- dev_priv->warp->handle, dev_priv->primary->handle,
- dev->agp_buffer_map->handle);
- return -ENOMEM;
- }
-
- dev_priv->dma_access = MGA_PAGPXFER;
- dev_priv->wagp_enable = MGA_WAGP_ENABLE;
-
- DRM_INFO("Initialized card for AGP DMA.\n");
- return 0;
-}
-#else
-static int mga_do_agp_dma_bootstrap(struct drm_device *dev,
- drm_mga_dma_bootstrap_t *dma_bs)
-{
- return -EINVAL;
-}
-#endif
-
-/*
- * Bootstrap the driver for PCI DMA.
- *
- * \todo
- * The algorithm for decreasing the size of the primary DMA buffer could be
- * better. The size should be rounded up to the nearest page size, then
- * decrease the request size by a single page each pass through the loop.
- *
- * \todo
- * Determine whether the maximum address passed to drm_pci_alloc is correct.
- * The same goes for drm_legacy_addbufs_pci.
- *
- * \sa mga_do_dma_bootstrap, mga_do_agp_dma_bootstrap
- */
-static int mga_do_pci_dma_bootstrap(struct drm_device *dev,
- drm_mga_dma_bootstrap_t *dma_bs)
-{
- drm_mga_private_t *const dev_priv =
- (drm_mga_private_t *) dev->dev_private;
- unsigned int warp_size = MGA_WARP_UCODE_SIZE;
- unsigned int primary_size;
- unsigned int bin_count;
- int err;
- struct drm_buf_desc req;
-
- if (dev->dma == NULL) {
- DRM_ERROR("dev->dma is NULL\n");
- return -EFAULT;
- }
-
- /* Make drm_legacy_addbufs happy by not trying to create a mapping for
- * less than a page.
- */
- if (warp_size < PAGE_SIZE)
- warp_size = PAGE_SIZE;
-
- /* The proper alignment is 0x100 for this mapping */
- err = drm_legacy_addmap(dev, 0, warp_size, _DRM_CONSISTENT,
- _DRM_READ_ONLY, &dev_priv->warp);
- if (err != 0) {
- DRM_ERROR("Unable to create mapping for WARP microcode: %d\n",
- err);
- return err;
- }
-
- /* Other than the bottom two bits being used to encode other
- * information, there don't appear to be any restrictions on the
- * alignment of the primary or secondary DMA buffers.
- */
-
- for (primary_size = dma_bs->primary_size; primary_size != 0;
- primary_size >>= 1) {
- /* The proper alignment for this mapping is 0x04 */
- err = drm_legacy_addmap(dev, 0, primary_size, _DRM_CONSISTENT,
- _DRM_READ_ONLY, &dev_priv->primary);
- if (!err)
- break;
- }
-
- if (err != 0) {
- DRM_ERROR("Unable to allocate primary DMA region: %d\n", err);
- return -ENOMEM;
- }
-
- if (dev_priv->primary->size != dma_bs->primary_size) {
- DRM_INFO("Primary DMA buffer size reduced from %u to %u.\n",
- dma_bs->primary_size,
- (unsigned)dev_priv->primary->size);
- dma_bs->primary_size = dev_priv->primary->size;
- }
-
- for (bin_count = dma_bs->secondary_bin_count; bin_count > 0;
- bin_count--) {
- (void)memset(&req, 0, sizeof(req));
- req.count = bin_count;
- req.size = dma_bs->secondary_bin_size;
-
- err = drm_legacy_addbufs_pci(dev, &req);
- if (!err)
- break;
- }
-
- if (bin_count == 0) {
- DRM_ERROR("Unable to add secondary DMA buffers: %d\n", err);
- return err;
- }
-
- if (bin_count != dma_bs->secondary_bin_count) {
- DRM_INFO("Secondary PCI DMA buffer bin count reduced from %u "
- "to %u.\n", dma_bs->secondary_bin_count, bin_count);
-
- dma_bs->secondary_bin_count = bin_count;
- }
-
- dev_priv->dma_access = 0;
- dev_priv->wagp_enable = 0;
-
- dma_bs->agp_mode = 0;
-
- DRM_INFO("Initialized card for PCI DMA.\n");
- return 0;
-}
-
-static int mga_do_dma_bootstrap(struct drm_device *dev,
- drm_mga_dma_bootstrap_t *dma_bs)
-{
- const int is_agp = (dma_bs->agp_mode != 0) && dev->agp;
- int err;
- drm_mga_private_t *const dev_priv =
- (drm_mga_private_t *) dev->dev_private;
-
- dev_priv->used_new_dma_init = 1;
-
- /* The first steps are the same for both PCI and AGP based DMA. Map
- * the cards MMIO registers and map a status page.
- */
- err = drm_legacy_addmap(dev, dev_priv->mmio_base, dev_priv->mmio_size,
- _DRM_REGISTERS, _DRM_READ_ONLY,
- &dev_priv->mmio);
- if (err) {
- DRM_ERROR("Unable to map MMIO region: %d\n", err);
- return err;
- }
-
- err = drm_legacy_addmap(dev, 0, SAREA_MAX, _DRM_SHM,
- _DRM_READ_ONLY | _DRM_LOCKED | _DRM_KERNEL,
- &dev_priv->status);
- if (err) {
- DRM_ERROR("Unable to map status region: %d\n", err);
- return err;
- }
-
- /* The DMA initialization procedure is slightly different for PCI and
- * AGP cards. AGP cards just allocate a large block of AGP memory and
- * carve off portions of it for internal uses. The remaining memory
- * is returned to user-mode to be used for AGP textures.
- */
- if (is_agp)
- err = mga_do_agp_dma_bootstrap(dev, dma_bs);
-
- /* If we attempted to initialize the card for AGP DMA but failed,
- * clean-up any mess that may have been created.
- */
-
- if (err)
- mga_do_cleanup_dma(dev, MINIMAL_CLEANUP);
-
- /* Not only do we want to try and initialized PCI cards for PCI DMA,
- * but we also try to initialized AGP cards that could not be
- * initialized for AGP DMA. This covers the case where we have an AGP
- * card in a system with an unsupported AGP chipset. In that case the
- * card will be detected as AGP, but we won't be able to allocate any
- * AGP memory, etc.
- */
-
- if (!is_agp || err)
- err = mga_do_pci_dma_bootstrap(dev, dma_bs);
-
- return err;
-}
-
-int mga_dma_bootstrap(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_mga_dma_bootstrap_t *bootstrap = data;
- int err;
- static const int modes[] = { 0, 1, 2, 2, 4, 4, 4, 4 };
- const drm_mga_private_t *const dev_priv =
- (drm_mga_private_t *) dev->dev_private;
-
- err = mga_do_dma_bootstrap(dev, bootstrap);
- if (err) {
- mga_do_cleanup_dma(dev, FULL_CLEANUP);
- return err;
- }
-
- if (dev_priv->agp_textures != NULL) {
- bootstrap->texture_handle = dev_priv->agp_textures->offset;
- bootstrap->texture_size = dev_priv->agp_textures->size;
- } else {
- bootstrap->texture_handle = 0;
- bootstrap->texture_size = 0;
- }
-
- bootstrap->agp_mode = modes[bootstrap->agp_mode & 0x07];
-
- return err;
-}
-
-static int mga_do_init_dma(struct drm_device *dev, drm_mga_init_t *init)
-{
- drm_mga_private_t *dev_priv;
- int ret;
- DRM_DEBUG("\n");
-
- dev_priv = dev->dev_private;
-
- if (init->sgram)
- dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK;
- else
- dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR;
- dev_priv->maccess = init->maccess;
-
- dev_priv->fb_cpp = init->fb_cpp;
- dev_priv->front_offset = init->front_offset;
- dev_priv->front_pitch = init->front_pitch;
- dev_priv->back_offset = init->back_offset;
- dev_priv->back_pitch = init->back_pitch;
-
- dev_priv->depth_cpp = init->depth_cpp;
- dev_priv->depth_offset = init->depth_offset;
- dev_priv->depth_pitch = init->depth_pitch;
-
- /* FIXME: Need to support AGP textures...
- */
- dev_priv->texture_offset = init->texture_offset[0];
- dev_priv->texture_size = init->texture_size[0];
-
- dev_priv->sarea = drm_legacy_getsarea(dev);
- if (!dev_priv->sarea) {
- DRM_ERROR("failed to find sarea!\n");
- return -EINVAL;
- }
-
- if (!dev_priv->used_new_dma_init) {
-
- dev_priv->dma_access = MGA_PAGPXFER;
- dev_priv->wagp_enable = MGA_WAGP_ENABLE;
-
- dev_priv->status = drm_legacy_findmap(dev, init->status_offset);
- if (!dev_priv->status) {
- DRM_ERROR("failed to find status page!\n");
- return -EINVAL;
- }
- dev_priv->mmio = drm_legacy_findmap(dev, init->mmio_offset);
- if (!dev_priv->mmio) {
- DRM_ERROR("failed to find mmio region!\n");
- return -EINVAL;
- }
- dev_priv->warp = drm_legacy_findmap(dev, init->warp_offset);
- if (!dev_priv->warp) {
- DRM_ERROR("failed to find warp microcode region!\n");
- return -EINVAL;
- }
- dev_priv->primary = drm_legacy_findmap(dev, init->primary_offset);
- if (!dev_priv->primary) {
- DRM_ERROR("failed to find primary dma region!\n");
- return -EINVAL;
- }
- dev->agp_buffer_token = init->buffers_offset;
- dev->agp_buffer_map =
- drm_legacy_findmap(dev, init->buffers_offset);
- if (!dev->agp_buffer_map) {
- DRM_ERROR("failed to find dma buffer region!\n");
- return -EINVAL;
- }
-
- drm_legacy_ioremap(dev_priv->warp, dev);
- drm_legacy_ioremap(dev_priv->primary, dev);
- drm_legacy_ioremap(dev->agp_buffer_map, dev);
- }
-
- dev_priv->sarea_priv =
- (drm_mga_sarea_t *) ((u8 *) dev_priv->sarea->handle +
- init->sarea_priv_offset);
-
- if (!dev_priv->warp->handle ||
- !dev_priv->primary->handle ||
- ((dev_priv->dma_access != 0) &&
- ((dev->agp_buffer_map == NULL) ||
- (dev->agp_buffer_map->handle == NULL)))) {
- DRM_ERROR("failed to ioremap agp regions!\n");
- return -ENOMEM;
- }
-
- ret = mga_warp_install_microcode(dev_priv);
- if (ret < 0) {
- DRM_ERROR("failed to install WARP ucode!: %d\n", ret);
- return ret;
- }
-
- ret = mga_warp_init(dev_priv);
- if (ret < 0) {
- DRM_ERROR("failed to init WARP engine!: %d\n", ret);
- return ret;
- }
-
- dev_priv->prim.status = (u32 *) dev_priv->status->handle;
-
- mga_do_wait_for_idle(dev_priv);
-
- /* Init the primary DMA registers.
- */
- MGA_WRITE(MGA_PRIMADDRESS, dev_priv->primary->offset | MGA_DMA_GENERAL);
-#if 0
- MGA_WRITE(MGA_PRIMPTR, virt_to_bus((void *)dev_priv->prim.status) | MGA_PRIMPTREN0 | /* Soft trap, SECEND, SETUPEND */
- MGA_PRIMPTREN1); /* DWGSYNC */
-#endif
-
- dev_priv->prim.start = (u8 *) dev_priv->primary->handle;
- dev_priv->prim.end = ((u8 *) dev_priv->primary->handle
- + dev_priv->primary->size);
- dev_priv->prim.size = dev_priv->primary->size;
-
- dev_priv->prim.tail = 0;
- dev_priv->prim.space = dev_priv->prim.size;
- dev_priv->prim.wrapped = 0;
-
- dev_priv->prim.last_flush = 0;
- dev_priv->prim.last_wrap = 0;
-
- dev_priv->prim.high_mark = 256 * DMA_BLOCK_SIZE;
-
- dev_priv->prim.status[0] = dev_priv->primary->offset;
- dev_priv->prim.status[1] = 0;
-
- dev_priv->sarea_priv->last_wrap = 0;
- dev_priv->sarea_priv->last_frame.head = 0;
- dev_priv->sarea_priv->last_frame.wrap = 0;
-
- if (mga_freelist_init(dev, dev_priv) < 0) {
- DRM_ERROR("could not initialize freelist\n");
- return -ENOMEM;
- }
-
- return 0;
-}
-
-static int mga_do_cleanup_dma(struct drm_device *dev, int full_cleanup)
-{
- int err = 0;
- DRM_DEBUG("\n");
-
- /* Make sure interrupts are disabled here because the uninstall ioctl
- * may not have been called from userspace and after dev_private
- * is freed, it's too late.
- */
- if (dev->irq_enabled)
- drm_legacy_irq_uninstall(dev);
-
- if (dev->dev_private) {
- drm_mga_private_t *dev_priv = dev->dev_private;
-
- if ((dev_priv->warp != NULL)
- && (dev_priv->warp->type != _DRM_CONSISTENT))
- drm_legacy_ioremapfree(dev_priv->warp, dev);
-
- if ((dev_priv->primary != NULL)
- && (dev_priv->primary->type != _DRM_CONSISTENT))
- drm_legacy_ioremapfree(dev_priv->primary, dev);
-
- if (dev->agp_buffer_map != NULL)
- drm_legacy_ioremapfree(dev->agp_buffer_map, dev);
-
- if (dev_priv->used_new_dma_init) {
-#if IS_ENABLED(CONFIG_AGP)
- if (dev_priv->agp_handle != 0) {
- struct drm_agp_binding unbind_req;
- struct drm_agp_buffer free_req;
-
- unbind_req.handle = dev_priv->agp_handle;
- drm_legacy_agp_unbind(dev, &unbind_req);
-
- free_req.handle = dev_priv->agp_handle;
- drm_legacy_agp_free(dev, &free_req);
-
- dev_priv->agp_textures = NULL;
- dev_priv->agp_size = 0;
- dev_priv->agp_handle = 0;
- }
-
- if ((dev->agp != NULL) && dev->agp->acquired)
- err = drm_legacy_agp_release(dev);
-#endif
- }
-
- dev_priv->warp = NULL;
- dev_priv->primary = NULL;
- dev_priv->sarea = NULL;
- dev_priv->sarea_priv = NULL;
- dev->agp_buffer_map = NULL;
-
- if (full_cleanup) {
- dev_priv->mmio = NULL;
- dev_priv->status = NULL;
- dev_priv->used_new_dma_init = 0;
- }
-
- memset(&dev_priv->prim, 0, sizeof(dev_priv->prim));
- dev_priv->warp_pipe = 0;
- memset(dev_priv->warp_pipe_phys, 0,
- sizeof(dev_priv->warp_pipe_phys));
-
- if (dev_priv->head != NULL)
- mga_freelist_cleanup(dev);
- }
-
- return err;
-}
-
-int mga_dma_init(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_mga_init_t *init = data;
- int err;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- switch (init->func) {
- case MGA_INIT_DMA:
- err = mga_do_init_dma(dev, init);
- if (err)
- (void)mga_do_cleanup_dma(dev, FULL_CLEANUP);
- return err;
- case MGA_CLEANUP_DMA:
- return mga_do_cleanup_dma(dev, FULL_CLEANUP);
- }
-
- return -EINVAL;
-}
-
-/* ================================================================
- * Primary DMA stream management
- */
-
-int mga_dma_flush(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
- struct drm_lock *lock = data;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- DRM_DEBUG("%s%s%s\n",
- (lock->flags & _DRM_LOCK_FLUSH) ? "flush, " : "",
- (lock->flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "",
- (lock->flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "");
-
- WRAP_WAIT_WITH_RETURN(dev_priv);
-
- if (lock->flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL))
- mga_do_dma_flush(dev_priv);
-
- if (lock->flags & _DRM_LOCK_QUIESCENT) {
-#if MGA_DMA_DEBUG
- int ret = mga_do_wait_for_idle(dev_priv);
- if (ret < 0)
- DRM_INFO("-EBUSY\n");
- return ret;
-#else
- return mga_do_wait_for_idle(dev_priv);
-#endif
- } else {
- return 0;
- }
-}
-
-int mga_dma_reset(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- return mga_do_dma_reset(dev_priv);
-}
-
-/* ================================================================
- * DMA buffer management
- */
-
-static int mga_dma_get_buffers(struct drm_device *dev,
- struct drm_file *file_priv, struct drm_dma *d)
-{
- struct drm_buf *buf;
- int i;
-
- for (i = d->granted_count; i < d->request_count; i++) {
- buf = mga_freelist_get(dev);
- if (!buf)
- return -EAGAIN;
-
- buf->file_priv = file_priv;
-
- if (copy_to_user(&d->request_indices[i],
- &buf->idx, sizeof(buf->idx)))
- return -EFAULT;
- if (copy_to_user(&d->request_sizes[i],
- &buf->total, sizeof(buf->total)))
- return -EFAULT;
-
- d->granted_count++;
- }
- return 0;
-}
-
-int mga_dma_buffers(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- struct drm_device_dma *dma = dev->dma;
- drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
- struct drm_dma *d = data;
- int ret = 0;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- /* Please don't send us buffers.
- */
- if (d->send_count != 0) {
- DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
- task_pid_nr(current), d->send_count);
- return -EINVAL;
- }
-
- /* We'll send you buffers.
- */
- if (d->request_count < 0 || d->request_count > dma->buf_count) {
- DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
- task_pid_nr(current), d->request_count,
- dma->buf_count);
- return -EINVAL;
- }
-
- WRAP_TEST_WITH_RETURN(dev_priv);
-
- d->granted_count = 0;
-
- if (d->request_count)
- ret = mga_dma_get_buffers(dev, file_priv, d);
-
- return ret;
-}
-
-/*
- * Called just before the module is unloaded.
- */
-void mga_driver_unload(struct drm_device *dev)
-{
- kfree(dev->dev_private);
- dev->dev_private = NULL;
-}
-
-/*
- * Called when the last opener of the device is closed.
- */
-void mga_driver_lastclose(struct drm_device *dev)
-{
- mga_do_cleanup_dma(dev, FULL_CLEANUP);
-}
-
-int mga_driver_dma_quiescent(struct drm_device *dev)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- return mga_do_wait_for_idle(dev_priv);
-}
diff --git a/drivers/gpu/drm/mga/mga_drv.c b/drivers/gpu/drm/mga/mga_drv.c
deleted file mode 100644
index 71128e6f6ae9..000000000000
--- a/drivers/gpu/drm/mga/mga_drv.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*-
- * Created: Mon Dec 13 01:56:22 1999 by jhartmann@xxxxxxxxxxxxxxxxxxxx
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS 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.
- *
- * Authors:
- * Rickard E. (Rik) Faith <faith@xxxxxxxxxxx>
- * Gareth Hughes <gareth@xxxxxxxxxxx>
- */
-
-#include <linux/module.h>
-
-#include <drm/drm_drv.h>
-#include <drm/drm_pciids.h>
-
-#include "mga_drv.h"
-
-static struct pci_device_id pciidlist[] = {
- mga_PCI_IDS
-};
-
-static const struct file_operations mga_driver_fops = {
- .owner = THIS_MODULE,
- .open = drm_open,
- .release = drm_release,
- .unlocked_ioctl = drm_ioctl,
- .mmap = drm_legacy_mmap,
- .poll = drm_poll,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = mga_compat_ioctl,
-#endif
- .llseek = noop_llseek,
-};
-
-static struct drm_driver driver = {
- .driver_features =
- DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_LEGACY |
- DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ,
- .dev_priv_size = sizeof(drm_mga_buf_priv_t),
- .load = mga_driver_load,
- .unload = mga_driver_unload,
- .lastclose = mga_driver_lastclose,
- .dma_quiescent = mga_driver_dma_quiescent,
- .get_vblank_counter = mga_get_vblank_counter,
- .enable_vblank = mga_enable_vblank,
- .disable_vblank = mga_disable_vblank,
- .irq_preinstall = mga_driver_irq_preinstall,
- .irq_postinstall = mga_driver_irq_postinstall,
- .irq_uninstall = mga_driver_irq_uninstall,
- .irq_handler = mga_driver_irq_handler,
- .ioctls = mga_ioctls,
- .dma_ioctl = mga_dma_buffers,
- .fops = &mga_driver_fops,
- .name = DRIVER_NAME,
- .desc = DRIVER_DESC,
- .date = DRIVER_DATE,
- .major = DRIVER_MAJOR,
- .minor = DRIVER_MINOR,
- .patchlevel = DRIVER_PATCHLEVEL,
-};
-
-static struct pci_driver mga_pci_driver = {
- .name = DRIVER_NAME,
- .id_table = pciidlist,
-};
-
-static int __init mga_init(void)
-{
- driver.num_ioctls = mga_max_ioctl;
- return drm_legacy_pci_init(&driver, &mga_pci_driver);
-}
-
-static void __exit mga_exit(void)
-{
- drm_legacy_pci_exit(&driver, &mga_pci_driver);
-}
-
-module_init(mga_init);
-module_exit(mga_exit);
-
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h
deleted file mode 100644
index f61401c70b90..000000000000
--- a/drivers/gpu/drm/mga/mga_drv.h
+++ /dev/null
@@ -1,685 +0,0 @@
-/* mga_drv.h -- Private header for the Matrox G200/G400 driver -*- linux-c -*-
- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@xxxxxxxxxxxxxxxxxxxx
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS 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.
- *
- * Authors:
- * Gareth Hughes <gareth@xxxxxxxxxxx>
- */
-
-#ifndef __MGA_DRV_H__
-#define __MGA_DRV_H__
-
-#include <linux/irqreturn.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-
-#include <drm/drm_device.h>
-#include <drm/drm_file.h>
-#include <drm/drm_ioctl.h>
-#include <drm/drm_legacy.h>
-#include <drm/drm_print.h>
-#include <drm/drm_sarea.h>
-#include <drm/drm_vblank.h>
-#include <drm/mga_drm.h>
-
-/* General customization:
- */
-
-#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc."
-
-#define DRIVER_NAME "mga"
-#define DRIVER_DESC "Matrox G200/G400"
-#define DRIVER_DATE "20051102"
-
-#define DRIVER_MAJOR 3
-#define DRIVER_MINOR 2
-#define DRIVER_PATCHLEVEL 1
-
-typedef struct drm_mga_primary_buffer {
- u8 *start;
- u8 *end;
- int size;
-
- u32 tail;
- int space;
- volatile long wrapped;
-
- volatile u32 *status;
-
- u32 last_flush;
- u32 last_wrap;
-
- u32 high_mark;
-} drm_mga_primary_buffer_t;
-
-typedef struct drm_mga_freelist {
- struct drm_mga_freelist *next;
- struct drm_mga_freelist *prev;
- drm_mga_age_t age;
- struct drm_buf *buf;
-} drm_mga_freelist_t;
-
-typedef struct {
- drm_mga_freelist_t *list_entry;
- int discard;
- int dispatched;
-} drm_mga_buf_priv_t;
-
-typedef struct drm_mga_private {
- drm_mga_primary_buffer_t prim;
- drm_mga_sarea_t *sarea_priv;
-
- drm_mga_freelist_t *head;
- drm_mga_freelist_t *tail;
-
- unsigned int warp_pipe;
- unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES];
-
- int chipset;
- int usec_timeout;
-
- /**
- * If set, the new DMA initialization sequence was used. This is
- * primarilly used to select how the driver should uninitialized its
- * internal DMA structures.
- */
- int used_new_dma_init;
-
- /**
- * If AGP memory is used for DMA buffers, this will be the value
- * \c MGA_PAGPXFER. Otherwise, it will be zero (for a PCI transfer).
- */
- u32 dma_access;
-
- /**
- * If AGP memory is used for DMA buffers, this will be the value
- * \c MGA_WAGP_ENABLE. Otherwise, it will be zero (for a PCI
- * transfer).
- */
- u32 wagp_enable;
-
- /**
- * \name MMIO region parameters.
- *
- * \sa drm_mga_private_t::mmio
- */
- /*@{ */
- resource_size_t mmio_base; /**< Bus address of base of MMIO. */
- resource_size_t mmio_size; /**< Size of the MMIO region. */
- /*@} */
-
- u32 clear_cmd;
- u32 maccess;
-
- atomic_t vbl_received; /**< Number of vblanks received. */
- wait_queue_head_t fence_queue;
- atomic_t last_fence_retired;
- u32 next_fence_to_post;
-
- unsigned int fb_cpp;
- unsigned int front_offset;
- unsigned int front_pitch;
- unsigned int back_offset;
- unsigned int back_pitch;
-
- unsigned int depth_cpp;
- unsigned int depth_offset;
- unsigned int depth_pitch;
-
- unsigned int texture_offset;
- unsigned int texture_size;
-
- drm_local_map_t *sarea;
- drm_local_map_t *mmio;
- drm_local_map_t *status;
- drm_local_map_t *warp;
- drm_local_map_t *primary;
- drm_local_map_t *agp_textures;
-
- unsigned long agp_handle;
- unsigned int agp_size;
-} drm_mga_private_t;
-
-extern const struct drm_ioctl_desc mga_ioctls[];
-extern int mga_max_ioctl;
-
- /* mga_dma.c */
-extern int mga_dma_bootstrap(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int mga_dma_init(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int mga_getparam(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int mga_dma_flush(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int mga_dma_reset(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int mga_dma_buffers(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int mga_driver_load(struct drm_device *dev, unsigned long flags);
-extern void mga_driver_unload(struct drm_device *dev);
-extern void mga_driver_lastclose(struct drm_device *dev);
-extern int mga_driver_dma_quiescent(struct drm_device *dev);
-
-extern int mga_do_wait_for_idle(drm_mga_private_t *dev_priv);
-
-extern void mga_do_dma_flush(drm_mga_private_t *dev_priv);
-extern void mga_do_dma_wrap_start(drm_mga_private_t *dev_priv);
-extern void mga_do_dma_wrap_end(drm_mga_private_t *dev_priv);
-
-extern int mga_freelist_put(struct drm_device *dev, struct drm_buf *buf);
-
- /* mga_warp.c */
-extern int mga_warp_install_microcode(drm_mga_private_t *dev_priv);
-extern int mga_warp_init(drm_mga_private_t *dev_priv);
-
- /* mga_irq.c */
-extern int mga_enable_vblank(struct drm_device *dev, unsigned int pipe);
-extern void mga_disable_vblank(struct drm_device *dev, unsigned int pipe);
-extern u32 mga_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
-extern void mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence);
-extern int mga_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
-extern irqreturn_t mga_driver_irq_handler(int irq, void *arg);
-extern void mga_driver_irq_preinstall(struct drm_device *dev);
-extern int mga_driver_irq_postinstall(struct drm_device *dev);
-extern void mga_driver_irq_uninstall(struct drm_device *dev);
-extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
- unsigned long arg);
-
-#define mga_flush_write_combine() wmb()
-
-#define MGA_READ8(reg) \
- readb(((void __iomem *)dev_priv->mmio->handle) + (reg))
-#define MGA_READ(reg) \
- readl(((void __iomem *)dev_priv->mmio->handle) + (reg))
-#define MGA_WRITE8(reg, val) \
- writeb(val, ((void __iomem *)dev_priv->mmio->handle) + (reg))
-#define MGA_WRITE(reg, val) \
- writel(val, ((void __iomem *)dev_priv->mmio->handle) + (reg))
-
-#define DWGREG0 0x1c00
-#define DWGREG0_END 0x1dff
-#define DWGREG1 0x2c00
-#define DWGREG1_END 0x2dff
-
-#define ISREG0(r) (r >= DWGREG0 && r <= DWGREG0_END)
-#define DMAREG0(r) (u8)((r - DWGREG0) >> 2)
-#define DMAREG1(r) (u8)(((r - DWGREG1) >> 2) | 0x80)
-#define DMAREG(r) (ISREG0(r) ? DMAREG0(r) : DMAREG1(r))
-
-/* ================================================================
- * Helper macross...
- */
-
-#define MGA_EMIT_STATE(dev_priv, dirty) \
-do { \
- if ((dirty) & ~MGA_UPLOAD_CLIPRECTS) { \
- if (dev_priv->chipset >= MGA_CARD_TYPE_G400) \
- mga_g400_emit_state(dev_priv); \
- else \
- mga_g200_emit_state(dev_priv); \
- } \
-} while (0)
-
-#define WRAP_TEST_WITH_RETURN(dev_priv) \
-do { \
- if (test_bit(0, &dev_priv->prim.wrapped)) { \
- if (mga_is_idle(dev_priv)) { \
- mga_do_dma_wrap_end(dev_priv); \
- } else if (dev_priv->prim.space < \
- dev_priv->prim.high_mark) { \
- if (MGA_DMA_DEBUG) \
- DRM_INFO("wrap...\n"); \
- return -EBUSY; \
- } \
- } \
-} while (0)
-
-#define WRAP_WAIT_WITH_RETURN(dev_priv) \
-do { \
- if (test_bit(0, &dev_priv->prim.wrapped)) { \
- if (mga_do_wait_for_idle(dev_priv) < 0) { \
- if (MGA_DMA_DEBUG) \
- DRM_INFO("wrap...\n"); \
- return -EBUSY; \
- } \
- mga_do_dma_wrap_end(dev_priv); \
- } \
-} while (0)
-
-/* ================================================================
- * Primary DMA command stream
- */
-
-#define MGA_VERBOSE 0
-
-#define DMA_LOCALS unsigned int write; volatile u8 *prim;
-
-#define DMA_BLOCK_SIZE (5 * sizeof(u32))
-
-#define BEGIN_DMA(n) \
-do { \
- if (MGA_VERBOSE) { \
- DRM_INFO("BEGIN_DMA(%d)\n", (n)); \
- DRM_INFO(" space=0x%x req=0x%zx\n", \
- dev_priv->prim.space, (n) * DMA_BLOCK_SIZE); \
- } \
- prim = dev_priv->prim.start; \
- write = dev_priv->prim.tail; \
-} while (0)
-
-#define BEGIN_DMA_WRAP() \
-do { \
- if (MGA_VERBOSE) { \
- DRM_INFO("BEGIN_DMA()\n"); \
- DRM_INFO(" space=0x%x\n", dev_priv->prim.space); \
- } \
- prim = dev_priv->prim.start; \
- write = dev_priv->prim.tail; \
-} while (0)
-
-#define ADVANCE_DMA() \
-do { \
- dev_priv->prim.tail = write; \
- if (MGA_VERBOSE) \
- DRM_INFO("ADVANCE_DMA() tail=0x%05x sp=0x%x\n", \
- write, dev_priv->prim.space); \
-} while (0)
-
-#define FLUSH_DMA() \
-do { \
- if (0) { \
- DRM_INFO("\n"); \
- DRM_INFO(" tail=0x%06x head=0x%06lx\n", \
- dev_priv->prim.tail, \
- (unsigned long)(MGA_READ(MGA_PRIMADDRESS) - \
- dev_priv->primary->offset)); \
- } \
- if (!test_bit(0, &dev_priv->prim.wrapped)) { \
- if (dev_priv->prim.space < dev_priv->prim.high_mark) \
- mga_do_dma_wrap_start(dev_priv); \
- else \
- mga_do_dma_flush(dev_priv); \
- } \
-} while (0)
-
-/* Never use this, always use DMA_BLOCK(...) for primary DMA output.
- */
-#define DMA_WRITE(offset, val) \
-do { \
- if (MGA_VERBOSE) \
- DRM_INFO(" DMA_WRITE( 0x%08x ) at 0x%04zx\n", \
- (u32)(val), write + (offset) * sizeof(u32)); \
- *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \
-} while (0)
-
-#define DMA_BLOCK(reg0, val0, reg1, val1, reg2, val2, reg3, val3) \
-do { \
- DMA_WRITE(0, ((DMAREG(reg0) << 0) | \
- (DMAREG(reg1) << 8) | \
- (DMAREG(reg2) << 16) | \
- (DMAREG(reg3) << 24))); \
- DMA_WRITE(1, val0); \
- DMA_WRITE(2, val1); \
- DMA_WRITE(3, val2); \
- DMA_WRITE(4, val3); \
- write += DMA_BLOCK_SIZE; \
-} while (0)
-
-/* Buffer aging via primary DMA stream head pointer.
- */
-
-#define SET_AGE(age, h, w) \
-do { \
- (age)->head = h; \
- (age)->wrap = w; \
-} while (0)
-
-#define TEST_AGE(age, h, w) ((age)->wrap < w || \
- ((age)->wrap == w && \
- (age)->head < h))
-
-#define AGE_BUFFER(buf_priv) \
-do { \
- drm_mga_freelist_t *entry = (buf_priv)->list_entry; \
- if ((buf_priv)->dispatched) { \
- entry->age.head = (dev_priv->prim.tail + \
- dev_priv->primary->offset); \
- entry->age.wrap = dev_priv->sarea_priv->last_wrap; \
- } else { \
- entry->age.head = 0; \
- entry->age.wrap = 0; \
- } \
-} while (0)
-
-#define MGA_ENGINE_IDLE_MASK (MGA_SOFTRAPEN | \
- MGA_DWGENGSTS | \
- MGA_ENDPRDMASTS)
-#define MGA_DMA_IDLE_MASK (MGA_SOFTRAPEN | \
- MGA_ENDPRDMASTS)
-
-#define MGA_DMA_DEBUG 0
-
-/* A reduced set of the mga registers.
- */
-#define MGA_CRTC_INDEX 0x1fd4
-#define MGA_CRTC_DATA 0x1fd5
-
-/* CRTC11 */
-#define MGA_VINTCLR (1 << 4)
-#define MGA_VINTEN (1 << 5)
-
-#define MGA_ALPHACTRL 0x2c7c
-#define MGA_AR0 0x1c60
-#define MGA_AR1 0x1c64
-#define MGA_AR2 0x1c68
-#define MGA_AR3 0x1c6c
-#define MGA_AR4 0x1c70
-#define MGA_AR5 0x1c74
-#define MGA_AR6 0x1c78
-
-#define MGA_CXBNDRY 0x1c80
-#define MGA_CXLEFT 0x1ca0
-#define MGA_CXRIGHT 0x1ca4
-
-#define MGA_DMAPAD 0x1c54
-#define MGA_DSTORG 0x2cb8
-#define MGA_DWGCTL 0x1c00
-# define MGA_OPCOD_MASK (15 << 0)
-# define MGA_OPCOD_TRAP (4 << 0)
-# define MGA_OPCOD_TEXTURE_TRAP (6 << 0)
-# define MGA_OPCOD_BITBLT (8 << 0)
-# define MGA_OPCOD_ILOAD (9 << 0)
-# define MGA_ATYPE_MASK (7 << 4)
-# define MGA_ATYPE_RPL (0 << 4)
-# define MGA_ATYPE_RSTR (1 << 4)
-# define MGA_ATYPE_ZI (3 << 4)
-# define MGA_ATYPE_BLK (4 << 4)
-# define MGA_ATYPE_I (7 << 4)
-# define MGA_LINEAR (1 << 7)
-# define MGA_ZMODE_MASK (7 << 8)
-# define MGA_ZMODE_NOZCMP (0 << 8)
-# define MGA_ZMODE_ZE (2 << 8)
-# define MGA_ZMODE_ZNE (3 << 8)
-# define MGA_ZMODE_ZLT (4 << 8)
-# define MGA_ZMODE_ZLTE (5 << 8)
-# define MGA_ZMODE_ZGT (6 << 8)
-# define MGA_ZMODE_ZGTE (7 << 8)
-# define MGA_SOLID (1 << 11)
-# define MGA_ARZERO (1 << 12)
-# define MGA_SGNZERO (1 << 13)
-# define MGA_SHIFTZERO (1 << 14)
-# define MGA_BOP_MASK (15 << 16)
-# define MGA_BOP_ZERO (0 << 16)
-# define MGA_BOP_DST (10 << 16)
-# define MGA_BOP_SRC (12 << 16)
-# define MGA_BOP_ONE (15 << 16)
-# define MGA_TRANS_SHIFT 20
-# define MGA_TRANS_MASK (15 << 20)
-# define MGA_BLTMOD_MASK (15 << 25)
-# define MGA_BLTMOD_BMONOLEF (0 << 25)
-# define MGA_BLTMOD_BMONOWF (4 << 25)
-# define MGA_BLTMOD_PLAN (1 << 25)
-# define MGA_BLTMOD_BFCOL (2 << 25)
-# define MGA_BLTMOD_BU32BGR (3 << 25)
-# define MGA_BLTMOD_BU32RGB (7 << 25)
-# define MGA_BLTMOD_BU24BGR (11 << 25)
-# define MGA_BLTMOD_BU24RGB (15 << 25)
-# define MGA_PATTERN (1 << 29)
-# define MGA_TRANSC (1 << 30)
-# define MGA_CLIPDIS (1 << 31)
-#define MGA_DWGSYNC 0x2c4c
-
-#define MGA_FCOL 0x1c24
-#define MGA_FIFOSTATUS 0x1e10
-#define MGA_FOGCOL 0x1cf4
-#define MGA_FXBNDRY 0x1c84
-#define MGA_FXLEFT 0x1ca8
-#define MGA_FXRIGHT 0x1cac
-
-#define MGA_ICLEAR 0x1e18
-# define MGA_SOFTRAPICLR (1 << 0)
-# define MGA_VLINEICLR (1 << 5)
-#define MGA_IEN 0x1e1c
-# define MGA_SOFTRAPIEN (1 << 0)
-# define MGA_VLINEIEN (1 << 5)
-
-#define MGA_LEN 0x1c5c
-
-#define MGA_MACCESS 0x1c04
-
-#define MGA_PITCH 0x1c8c
-#define MGA_PLNWT 0x1c1c
-#define MGA_PRIMADDRESS 0x1e58
-# define MGA_DMA_GENERAL (0 << 0)
-# define MGA_DMA_BLIT (1 << 0)
-# define MGA_DMA_VECTOR (2 << 0)
-# define MGA_DMA_VERTEX (3 << 0)
-#define MGA_PRIMEND 0x1e5c
-# define MGA_PRIMNOSTART (1 << 0)
-# define MGA_PAGPXFER (1 << 1)
-#define MGA_PRIMPTR 0x1e50
-# define MGA_PRIMPTREN0 (1 << 0)
-# define MGA_PRIMPTREN1 (1 << 1)
-
-#define MGA_RST 0x1e40
-# define MGA_SOFTRESET (1 << 0)
-# define MGA_SOFTEXTRST (1 << 1)
-
-#define MGA_SECADDRESS 0x2c40
-#define MGA_SECEND 0x2c44
-#define MGA_SETUPADDRESS 0x2cd0
-#define MGA_SETUPEND 0x2cd4
-#define MGA_SGN 0x1c58
-#define MGA_SOFTRAP 0x2c48
-#define MGA_SRCORG 0x2cb4
-# define MGA_SRMMAP_MASK (1 << 0)
-# define MGA_SRCMAP_FB (0 << 0)
-# define MGA_SRCMAP_SYSMEM (1 << 0)
-# define MGA_SRCACC_MASK (1 << 1)
-# define MGA_SRCACC_PCI (0 << 1)
-# define MGA_SRCACC_AGP (1 << 1)
-#define MGA_STATUS 0x1e14
-# define MGA_SOFTRAPEN (1 << 0)
-# define MGA_VSYNCPEN (1 << 4)
-# define MGA_VLINEPEN (1 << 5)
-# define MGA_DWGENGSTS (1 << 16)
-# define MGA_ENDPRDMASTS (1 << 17)
-#define MGA_STENCIL 0x2cc8
-#define MGA_STENCILCTL 0x2ccc
-
-#define MGA_TDUALSTAGE0 0x2cf8
-#define MGA_TDUALSTAGE1 0x2cfc
-#define MGA_TEXBORDERCOL 0x2c5c
-#define MGA_TEXCTL 0x2c30
-#define MGA_TEXCTL2 0x2c3c
-# define MGA_DUALTEX (1 << 7)
-# define MGA_G400_TC2_MAGIC (1 << 15)
-# define MGA_MAP1_ENABLE (1 << 31)
-#define MGA_TEXFILTER 0x2c58
-#define MGA_TEXHEIGHT 0x2c2c
-#define MGA_TEXORG 0x2c24
-# define MGA_TEXORGMAP_MASK (1 << 0)
-# define MGA_TEXORGMAP_FB (0 << 0)
-# define MGA_TEXORGMAP_SYSMEM (1 << 0)
-# define MGA_TEXORGACC_MASK (1 << 1)
-# define MGA_TEXORGACC_PCI (0 << 1)
-# define MGA_TEXORGACC_AGP (1 << 1)
-#define MGA_TEXORG1 0x2ca4
-#define MGA_TEXORG2 0x2ca8
-#define MGA_TEXORG3 0x2cac
-#define MGA_TEXORG4 0x2cb0
-#define MGA_TEXTRANS 0x2c34
-#define MGA_TEXTRANSHIGH 0x2c38
-#define MGA_TEXWIDTH 0x2c28
-
-#define MGA_WACCEPTSEQ 0x1dd4
-#define MGA_WCODEADDR 0x1e6c
-#define MGA_WFLAG 0x1dc4
-#define MGA_WFLAG1 0x1de0
-#define MGA_WFLAGNB 0x1e64
-#define MGA_WFLAGNB1 0x1e08
-#define MGA_WGETMSB 0x1dc8
-#define MGA_WIADDR 0x1dc0
-#define MGA_WIADDR2 0x1dd8
-# define MGA_WMODE_SUSPEND (0 << 0)
-# define MGA_WMODE_RESUME (1 << 0)
-# define MGA_WMODE_JUMP (2 << 0)
-# define MGA_WMODE_START (3 << 0)
-# define MGA_WAGP_ENABLE (1 << 2)
-#define MGA_WMISC 0x1e70
-# define MGA_WUCODECACHE_ENABLE (1 << 0)
-# define MGA_WMASTER_ENABLE (1 << 1)
-# define MGA_WCACHEFLUSH_ENABLE (1 << 3)
-#define MGA_WVRTXSZ 0x1dcc
-
-#define MGA_YBOT 0x1c9c
-#define MGA_YDST 0x1c90
-#define MGA_YDSTLEN 0x1c88
-#define MGA_YDSTORG 0x1c94
-#define MGA_YTOP 0x1c98
-
-#define MGA_ZORG 0x1c0c
-
-/* This finishes the current batch of commands
- */
-#define MGA_EXEC 0x0100
-
-/* AGP PLL encoding (for G200 only).
- */
-#define MGA_AGP_PLL 0x1e4c
-# define MGA_AGP2XPLL_DISABLE (0 << 0)
-# define MGA_AGP2XPLL_ENABLE (1 << 0)
-
-/* Warp registers
- */
-#define MGA_WR0 0x2d00
-#define MGA_WR1 0x2d04
-#define MGA_WR2 0x2d08
-#define MGA_WR3 0x2d0c
-#define MGA_WR4 0x2d10
-#define MGA_WR5 0x2d14
-#define MGA_WR6 0x2d18
-#define MGA_WR7 0x2d1c
-#define MGA_WR8 0x2d20
-#define MGA_WR9 0x2d24
-#define MGA_WR10 0x2d28
-#define MGA_WR11 0x2d2c
-#define MGA_WR12 0x2d30
-#define MGA_WR13 0x2d34
-#define MGA_WR14 0x2d38
-#define MGA_WR15 0x2d3c
-#define MGA_WR16 0x2d40
-#define MGA_WR17 0x2d44
-#define MGA_WR18 0x2d48
-#define MGA_WR19 0x2d4c
-#define MGA_WR20 0x2d50
-#define MGA_WR21 0x2d54
-#define MGA_WR22 0x2d58
-#define MGA_WR23 0x2d5c
-#define MGA_WR24 0x2d60
-#define MGA_WR25 0x2d64
-#define MGA_WR26 0x2d68
-#define MGA_WR27 0x2d6c
-#define MGA_WR28 0x2d70
-#define MGA_WR29 0x2d74
-#define MGA_WR30 0x2d78
-#define MGA_WR31 0x2d7c
-#define MGA_WR32 0x2d80
-#define MGA_WR33 0x2d84
-#define MGA_WR34 0x2d88
-#define MGA_WR35 0x2d8c
-#define MGA_WR36 0x2d90
-#define MGA_WR37 0x2d94
-#define MGA_WR38 0x2d98
-#define MGA_WR39 0x2d9c
-#define MGA_WR40 0x2da0
-#define MGA_WR41 0x2da4
-#define MGA_WR42 0x2da8
-#define MGA_WR43 0x2dac
-#define MGA_WR44 0x2db0
-#define MGA_WR45 0x2db4
-#define MGA_WR46 0x2db8
-#define MGA_WR47 0x2dbc
-#define MGA_WR48 0x2dc0
-#define MGA_WR49 0x2dc4
-#define MGA_WR50 0x2dc8
-#define MGA_WR51 0x2dcc
-#define MGA_WR52 0x2dd0
-#define MGA_WR53 0x2dd4
-#define MGA_WR54 0x2dd8
-#define MGA_WR55 0x2ddc
-#define MGA_WR56 0x2de0
-#define MGA_WR57 0x2de4
-#define MGA_WR58 0x2de8
-#define MGA_WR59 0x2dec
-#define MGA_WR60 0x2df0
-#define MGA_WR61 0x2df4
-#define MGA_WR62 0x2df8
-#define MGA_WR63 0x2dfc
-# define MGA_G400_WR_MAGIC (1 << 6)
-# define MGA_G400_WR56_MAGIC 0x46480000 /* 12800.0f */
-
-#define MGA_ILOAD_ALIGN 64
-#define MGA_ILOAD_MASK (MGA_ILOAD_ALIGN - 1)
-
-#define MGA_DWGCTL_FLUSH (MGA_OPCOD_TEXTURE_TRAP | \
- MGA_ATYPE_I | \
- MGA_ZMODE_NOZCMP | \
- MGA_ARZERO | \
- MGA_SGNZERO | \
- MGA_BOP_SRC | \
- (15 << MGA_TRANS_SHIFT))
-
-#define MGA_DWGCTL_CLEAR (MGA_OPCOD_TRAP | \
- MGA_ZMODE_NOZCMP | \
- MGA_SOLID | \
- MGA_ARZERO | \
- MGA_SGNZERO | \
- MGA_SHIFTZERO | \
- MGA_BOP_SRC | \
- (0 << MGA_TRANS_SHIFT) | \
- MGA_BLTMOD_BMONOLEF | \
- MGA_TRANSC | \
- MGA_CLIPDIS)
-
-#define MGA_DWGCTL_COPY (MGA_OPCOD_BITBLT | \
- MGA_ATYPE_RPL | \
- MGA_SGNZERO | \
- MGA_SHIFTZERO | \
- MGA_BOP_SRC | \
- (0 << MGA_TRANS_SHIFT) | \
- MGA_BLTMOD_BFCOL | \
- MGA_CLIPDIS)
-
-/* Simple idle test.
- */
-static __inline__ int mga_is_idle(drm_mga_private_t *dev_priv)
-{
- u32 status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
- return (status == MGA_ENDPRDMASTS);
-}
-
-#endif
diff --git a/drivers/gpu/drm/mga/mga_ioc32.c b/drivers/gpu/drm/mga/mga_ioc32.c
deleted file mode 100644
index 894472921c30..000000000000
--- a/drivers/gpu/drm/mga/mga_ioc32.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * \file mga_ioc32.c
- *
- * 32-bit ioctl compatibility routines for the MGA DRM.
- *
- * \author Dave Airlie <airlied@xxxxxxxx> with code from patches by Egbert Eich
- *
- *
- * Copyright (C) Paul Mackerras 2005
- * Copyright (C) Egbert Eich 2003,2004
- * Copyright (C) Dave Airlie 2005
- * 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 AUTHOR 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 <linux/compat.h>
-
-#include "mga_drv.h"
-
-typedef struct drm32_mga_init {
- int func;
- u32 sarea_priv_offset;
- struct_group(always32bit,
- int chipset;
- int sgram;
- unsigned int maccess;
- unsigned int fb_cpp;
- unsigned int front_offset, front_pitch;
- unsigned int back_offset, back_pitch;
- unsigned int depth_cpp;
- unsigned int depth_offset, depth_pitch;
- unsigned int texture_offset[MGA_NR_TEX_HEAPS];
- unsigned int texture_size[MGA_NR_TEX_HEAPS];
- );
- u32 fb_offset;
- u32 mmio_offset;
- u32 status_offset;
- u32 warp_offset;
- u32 primary_offset;
- u32 buffers_offset;
-} drm_mga_init32_t;
-
-static int compat_mga_init(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_mga_init32_t init32;
- drm_mga_init_t init;
-
- if (copy_from_user(&init32, (void __user *)arg, sizeof(init32)))
- return -EFAULT;
-
- init.func = init32.func;
- init.sarea_priv_offset = init32.sarea_priv_offset;
- memcpy(&init.always32bit, &init32.always32bit,
- sizeof(init32.always32bit));
- init.fb_offset = init32.fb_offset;
- init.mmio_offset = init32.mmio_offset;
- init.status_offset = init32.status_offset;
- init.warp_offset = init32.warp_offset;
- init.primary_offset = init32.primary_offset;
- init.buffers_offset = init32.buffers_offset;
-
- return drm_ioctl_kernel(file, mga_dma_init, &init,
- DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY);
-}
-
-typedef struct drm_mga_getparam32 {
- int param;
- u32 value;
-} drm_mga_getparam32_t;
-
-static int compat_mga_getparam(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_mga_getparam32_t getparam32;
- drm_mga_getparam_t getparam;
-
- if (copy_from_user(&getparam32, (void __user *)arg, sizeof(getparam32)))
- return -EFAULT;
-
- getparam.param = getparam32.param;
- getparam.value = compat_ptr(getparam32.value);
- return drm_ioctl_kernel(file, mga_getparam, &getparam, DRM_AUTH);
-}
-
-typedef struct drm_mga_drm_bootstrap32 {
- u32 texture_handle;
- u32 texture_size;
- u32 primary_size;
- u32 secondary_bin_count;
- u32 secondary_bin_size;
- u32 agp_mode;
- u8 agp_size;
-} drm_mga_dma_bootstrap32_t;
-
-static int compat_mga_dma_bootstrap(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_mga_dma_bootstrap32_t dma_bootstrap32;
- drm_mga_dma_bootstrap_t dma_bootstrap;
- int err;
-
- if (copy_from_user(&dma_bootstrap32, (void __user *)arg,
- sizeof(dma_bootstrap32)))
- return -EFAULT;
-
- dma_bootstrap.texture_handle = dma_bootstrap32.texture_handle;
- dma_bootstrap.texture_size = dma_bootstrap32.texture_size;
- dma_bootstrap.primary_size = dma_bootstrap32.primary_size;
- dma_bootstrap.secondary_bin_count = dma_bootstrap32.secondary_bin_count;
- dma_bootstrap.secondary_bin_size = dma_bootstrap32.secondary_bin_size;
- dma_bootstrap.agp_mode = dma_bootstrap32.agp_mode;
- dma_bootstrap.agp_size = dma_bootstrap32.agp_size;
-
- err = drm_ioctl_kernel(file, mga_dma_bootstrap, &dma_bootstrap,
- DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY);
- if (err)
- return err;
-
- dma_bootstrap32.texture_handle = dma_bootstrap.texture_handle;
- dma_bootstrap32.texture_size = dma_bootstrap.texture_size;
- dma_bootstrap32.primary_size = dma_bootstrap.primary_size;
- dma_bootstrap32.secondary_bin_count = dma_bootstrap.secondary_bin_count;
- dma_bootstrap32.secondary_bin_size = dma_bootstrap.secondary_bin_size;
- dma_bootstrap32.agp_mode = dma_bootstrap.agp_mode;
- dma_bootstrap32.agp_size = dma_bootstrap.agp_size;
- if (copy_to_user((void __user *)arg, &dma_bootstrap32,
- sizeof(dma_bootstrap32)))
- return -EFAULT;
-
- return 0;
-}
-
-static struct {
- drm_ioctl_compat_t *fn;
- char *name;
-} mga_compat_ioctls[] = {
-#define DRM_IOCTL32_DEF(n, f)[DRM_##n] = {.fn = f, .name = #n}
- DRM_IOCTL32_DEF(MGA_INIT, compat_mga_init),
- DRM_IOCTL32_DEF(MGA_GETPARAM, compat_mga_getparam),
- DRM_IOCTL32_DEF(MGA_DMA_BOOTSTRAP, compat_mga_dma_bootstrap),
-};
-
-/**
- * mga_compat_ioctl - Called whenever a 32-bit process running under
- * a 64-bit kernel performs an ioctl on /dev/dri/card<n>.
- *
- * @filp: file pointer.
- * @cmd: command.
- * @arg: user argument.
- * return: zero on success or negative number on failure.
- */
-long mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
- unsigned int nr = DRM_IOCTL_NR(cmd);
- struct drm_file *file_priv = filp->private_data;
- drm_ioctl_compat_t *fn = NULL;
- int ret;
-
- if (nr < DRM_COMMAND_BASE)
- return drm_compat_ioctl(filp, cmd, arg);
-
- if (nr >= DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls))
- return drm_ioctl(filp, cmd, arg);
-
- fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE].fn;
- if (!fn)
- return drm_ioctl(filp, cmd, arg);
-
- DRM_DEBUG("pid=%d, dev=0x%lx, auth=%d, %s\n",
- task_pid_nr(current),
- (long)old_encode_dev(file_priv->minor->kdev->devt),
- file_priv->authenticated,
- mga_compat_ioctls[nr - DRM_COMMAND_BASE].name);
- ret = (*fn) (filp, cmd, arg);
- if (ret)
- DRM_DEBUG("ret = %d\n", ret);
- return ret;
-}
diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c
deleted file mode 100644
index a7e6ffc80a78..000000000000
--- a/drivers/gpu/drm/mga/mga_irq.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/* mga_irq.c -- IRQ handling for radeon -*- linux-c -*-
- */
-/*
- * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
- *
- * The Weather Channel (TM) funded Tungsten Graphics to develop the
- * initial release of the Radeon 8500 driver under the XFree86 license.
- * This notice must be preserved.
- *
- * 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
- * PRECISION INSIGHT 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.
- *
- * Authors:
- * Keith Whitwell <keith@xxxxxxxxxxxxxxxxxxxx>
- * Eric Anholt <anholt@xxxxxxxxxxx>
- */
-
-#include "mga_drv.h"
-
-u32 mga_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
-{
- const drm_mga_private_t *const dev_priv =
- (drm_mga_private_t *) dev->dev_private;
-
- if (pipe != 0)
- return 0;
-
- return atomic_read(&dev_priv->vbl_received);
-}
-
-
-irqreturn_t mga_driver_irq_handler(int irq, void *arg)
-{
- struct drm_device *dev = (struct drm_device *) arg;
- drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
- int status;
- int handled = 0;
-
- status = MGA_READ(MGA_STATUS);
-
- /* VBLANK interrupt */
- if (status & MGA_VLINEPEN) {
- MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR);
- atomic_inc(&dev_priv->vbl_received);
- drm_handle_vblank(dev, 0);
- handled = 1;
- }
-
- /* SOFTRAP interrupt */
- if (status & MGA_SOFTRAPEN) {
- const u32 prim_start = MGA_READ(MGA_PRIMADDRESS);
- const u32 prim_end = MGA_READ(MGA_PRIMEND);
-
-
- MGA_WRITE(MGA_ICLEAR, MGA_SOFTRAPICLR);
-
- /* In addition to clearing the interrupt-pending bit, we
- * have to write to MGA_PRIMEND to re-start the DMA operation.
- */
- if ((prim_start & ~0x03) != (prim_end & ~0x03))
- MGA_WRITE(MGA_PRIMEND, prim_end);
-
- atomic_inc(&dev_priv->last_fence_retired);
- wake_up(&dev_priv->fence_queue);
- handled = 1;
- }
-
- if (handled)
- return IRQ_HANDLED;
- return IRQ_NONE;
-}
-
-int mga_enable_vblank(struct drm_device *dev, unsigned int pipe)
-{
- drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
-
- if (pipe != 0) {
- DRM_ERROR("tried to enable vblank on non-existent crtc %u\n",
- pipe);
- return 0;
- }
-
- MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN);
- return 0;
-}
-
-
-void mga_disable_vblank(struct drm_device *dev, unsigned int pipe)
-{
- if (pipe != 0) {
- DRM_ERROR("tried to disable vblank on non-existent crtc %u\n",
- pipe);
- }
-
- /* Do *NOT* disable the vertical refresh interrupt. MGA doesn't have
- * a nice hardware counter that tracks the number of refreshes when
- * the interrupt is disabled, and the kernel doesn't know the refresh
- * rate to calculate an estimate.
- */
- /* MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN); */
-}
-
-void mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence)
-{
- drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
- unsigned int cur_fence;
-
- /* Assume that the user has missed the current sequence number
- * by about a day rather than she wants to wait for years
- * using fences.
- */
- wait_event_timeout(dev_priv->fence_queue,
- (((cur_fence = atomic_read(&dev_priv->last_fence_retired))
- - *sequence) <= (1 << 23)),
- msecs_to_jiffies(3000));
-
- *sequence = cur_fence;
-}
-
-void mga_driver_irq_preinstall(struct drm_device *dev)
-{
- drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
-
- /* Disable *all* interrupts */
- MGA_WRITE(MGA_IEN, 0);
- /* Clear bits if they're already high */
- MGA_WRITE(MGA_ICLEAR, ~0);
-}
-
-int mga_driver_irq_postinstall(struct drm_device *dev)
-{
- drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
-
- init_waitqueue_head(&dev_priv->fence_queue);
-
- /* Turn on soft trap interrupt. Vertical blank interrupts are enabled
- * in mga_enable_vblank.
- */
- MGA_WRITE(MGA_IEN, MGA_SOFTRAPEN);
- return 0;
-}
-
-void mga_driver_irq_uninstall(struct drm_device *dev)
-{
- drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
- if (!dev_priv)
- return;
-
- /* Disable *all* interrupts */
- MGA_WRITE(MGA_IEN, 0);
-
- dev->irq_enabled = false;
-}
diff --git a/drivers/gpu/drm/mga/mga_state.c b/drivers/gpu/drm/mga/mga_state.c
deleted file mode 100644
index 5b7247b58451..000000000000
--- a/drivers/gpu/drm/mga/mga_state.c
+++ /dev/null
@@ -1,1099 +0,0 @@
-/* mga_state.c -- State support for MGA G200/G400 -*- linux-c -*-
- * Created: Thu Jan 27 02:53:43 2000 by jhartmann@xxxxxxxxxxxxxxxxxxxx
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS 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.
- *
- * Authors:
- * Jeff Hartmann <jhartmann@xxxxxxxxxxx>
- * Keith Whitwell <keith@xxxxxxxxxxxxxxxxxxxx>
- *
- * Rewritten by:
- * Gareth Hughes <gareth@xxxxxxxxxxx>
- */
-
-#include "mga_drv.h"
-
-/* ================================================================
- * DMA hardware state programming functions
- */
-
-static void mga_emit_clip_rect(drm_mga_private_t *dev_priv,
- struct drm_clip_rect *box)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- unsigned int pitch = dev_priv->front_pitch;
- DMA_LOCALS;
-
- BEGIN_DMA(2);
-
- /* Force reset of DWGCTL on G400 (eliminates clip disable bit).
- */
- if (dev_priv->chipset >= MGA_CARD_TYPE_G400) {
- DMA_BLOCK(MGA_DWGCTL, ctx->dwgctl,
- MGA_LEN + MGA_EXEC, 0x80000000,
- MGA_DWGCTL, ctx->dwgctl,
- MGA_LEN + MGA_EXEC, 0x80000000);
- }
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_CXBNDRY, ((box->x2 - 1) << 16) | box->x1,
- MGA_YTOP, box->y1 * pitch, MGA_YBOT, (box->y2 - 1) * pitch);
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g200_emit_context(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- DMA_LOCALS;
-
- BEGIN_DMA(3);
-
- DMA_BLOCK(MGA_DSTORG, ctx->dstorg,
- MGA_MACCESS, ctx->maccess,
- MGA_PLNWT, ctx->plnwt, MGA_DWGCTL, ctx->dwgctl);
-
- DMA_BLOCK(MGA_ALPHACTRL, ctx->alphactrl,
- MGA_FOGCOL, ctx->fogcolor,
- MGA_WFLAG, ctx->wflag, MGA_ZORG, dev_priv->depth_offset);
-
- DMA_BLOCK(MGA_FCOL, ctx->fcol,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g400_emit_context(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- DMA_LOCALS;
-
- BEGIN_DMA(4);
-
- DMA_BLOCK(MGA_DSTORG, ctx->dstorg,
- MGA_MACCESS, ctx->maccess,
- MGA_PLNWT, ctx->plnwt, MGA_DWGCTL, ctx->dwgctl);
-
- DMA_BLOCK(MGA_ALPHACTRL, ctx->alphactrl,
- MGA_FOGCOL, ctx->fogcolor,
- MGA_WFLAG, ctx->wflag, MGA_ZORG, dev_priv->depth_offset);
-
- DMA_BLOCK(MGA_WFLAG1, ctx->wflag,
- MGA_TDUALSTAGE0, ctx->tdualstage0,
- MGA_TDUALSTAGE1, ctx->tdualstage1, MGA_FCOL, ctx->fcol);
-
- DMA_BLOCK(MGA_STENCIL, ctx->stencil,
- MGA_STENCILCTL, ctx->stencilctl,
- MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g200_emit_tex0(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0];
- DMA_LOCALS;
-
- BEGIN_DMA(4);
-
- DMA_BLOCK(MGA_TEXCTL2, tex->texctl2,
- MGA_TEXCTL, tex->texctl,
- MGA_TEXFILTER, tex->texfilter,
- MGA_TEXBORDERCOL, tex->texbordercol);
-
- DMA_BLOCK(MGA_TEXORG, tex->texorg,
- MGA_TEXORG1, tex->texorg1,
- MGA_TEXORG2, tex->texorg2, MGA_TEXORG3, tex->texorg3);
-
- DMA_BLOCK(MGA_TEXORG4, tex->texorg4,
- MGA_TEXWIDTH, tex->texwidth,
- MGA_TEXHEIGHT, tex->texheight, MGA_WR24, tex->texwidth);
-
- DMA_BLOCK(MGA_WR34, tex->texheight,
- MGA_TEXTRANS, 0x0000ffff,
- MGA_TEXTRANSHIGH, 0x0000ffff, MGA_DMAPAD, 0x00000000);
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g400_emit_tex0(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0];
- DMA_LOCALS;
-
-/* printk("mga_g400_emit_tex0 %x %x %x\n", tex->texorg, */
-/* tex->texctl, tex->texctl2); */
-
- BEGIN_DMA(6);
-
- DMA_BLOCK(MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC,
- MGA_TEXCTL, tex->texctl,
- MGA_TEXFILTER, tex->texfilter,
- MGA_TEXBORDERCOL, tex->texbordercol);
-
- DMA_BLOCK(MGA_TEXORG, tex->texorg,
- MGA_TEXORG1, tex->texorg1,
- MGA_TEXORG2, tex->texorg2, MGA_TEXORG3, tex->texorg3);
-
- DMA_BLOCK(MGA_TEXORG4, tex->texorg4,
- MGA_TEXWIDTH, tex->texwidth,
- MGA_TEXHEIGHT, tex->texheight, MGA_WR49, 0x00000000);
-
- DMA_BLOCK(MGA_WR57, 0x00000000,
- MGA_WR53, 0x00000000,
- MGA_WR61, 0x00000000, MGA_WR52, MGA_G400_WR_MAGIC);
-
- DMA_BLOCK(MGA_WR60, MGA_G400_WR_MAGIC,
- MGA_WR54, tex->texwidth | MGA_G400_WR_MAGIC,
- MGA_WR62, tex->texheight | MGA_G400_WR_MAGIC,
- MGA_DMAPAD, 0x00000000);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_TEXTRANS, 0x0000ffff, MGA_TEXTRANSHIGH, 0x0000ffff);
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g400_emit_tex1(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[1];
- DMA_LOCALS;
-
-/* printk("mga_g400_emit_tex1 %x %x %x\n", tex->texorg, */
-/* tex->texctl, tex->texctl2); */
-
- BEGIN_DMA(5);
-
- DMA_BLOCK(MGA_TEXCTL2, (tex->texctl2 |
- MGA_MAP1_ENABLE |
- MGA_G400_TC2_MAGIC),
- MGA_TEXCTL, tex->texctl,
- MGA_TEXFILTER, tex->texfilter,
- MGA_TEXBORDERCOL, tex->texbordercol);
-
- DMA_BLOCK(MGA_TEXORG, tex->texorg,
- MGA_TEXORG1, tex->texorg1,
- MGA_TEXORG2, tex->texorg2, MGA_TEXORG3, tex->texorg3);
-
- DMA_BLOCK(MGA_TEXORG4, tex->texorg4,
- MGA_TEXWIDTH, tex->texwidth,
- MGA_TEXHEIGHT, tex->texheight, MGA_WR49, 0x00000000);
-
- DMA_BLOCK(MGA_WR57, 0x00000000,
- MGA_WR53, 0x00000000,
- MGA_WR61, 0x00000000,
- MGA_WR52, tex->texwidth | MGA_G400_WR_MAGIC);
-
- DMA_BLOCK(MGA_WR60, tex->texheight | MGA_G400_WR_MAGIC,
- MGA_TEXTRANS, 0x0000ffff,
- MGA_TEXTRANSHIGH, 0x0000ffff,
- MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC);
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g200_emit_pipe(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int pipe = sarea_priv->warp_pipe;
- DMA_LOCALS;
-
- BEGIN_DMA(3);
-
- DMA_BLOCK(MGA_WIADDR, MGA_WMODE_SUSPEND,
- MGA_WVRTXSZ, 0x00000007,
- MGA_WFLAG, 0x00000000, MGA_WR24, 0x00000000);
-
- DMA_BLOCK(MGA_WR25, 0x00000100,
- MGA_WR34, 0x00000000,
- MGA_WR42, 0x0000ffff, MGA_WR60, 0x0000ffff);
-
- /* Padding required due to hardware bug.
- */
- DMA_BLOCK(MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] |
- MGA_WMODE_START | dev_priv->wagp_enable));
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g400_emit_pipe(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int pipe = sarea_priv->warp_pipe;
- DMA_LOCALS;
-
-/* printk("mga_g400_emit_pipe %x\n", pipe); */
-
- BEGIN_DMA(10);
-
- DMA_BLOCK(MGA_WIADDR2, MGA_WMODE_SUSPEND,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);
-
- if (pipe & MGA_T2) {
- DMA_BLOCK(MGA_WVRTXSZ, 0x00001e09,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);
-
- DMA_BLOCK(MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x1e000000);
- } else {
- if (dev_priv->warp_pipe & MGA_T2) {
- /* Flush the WARP pipe */
- DMA_BLOCK(MGA_YDST, 0x00000000,
- MGA_FXLEFT, 0x00000000,
- MGA_FXRIGHT, 0x00000001,
- MGA_DWGCTL, MGA_DWGCTL_FLUSH);
-
- DMA_BLOCK(MGA_LEN + MGA_EXEC, 0x00000001,
- MGA_DWGSYNC, 0x00007000,
- MGA_TEXCTL2, MGA_G400_TC2_MAGIC,
- MGA_LEN + MGA_EXEC, 0x00000000);
-
- DMA_BLOCK(MGA_TEXCTL2, (MGA_DUALTEX |
- MGA_G400_TC2_MAGIC),
- MGA_LEN + MGA_EXEC, 0x00000000,
- MGA_TEXCTL2, MGA_G400_TC2_MAGIC,
- MGA_DMAPAD, 0x00000000);
- }
-
- DMA_BLOCK(MGA_WVRTXSZ, 0x00001807,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);
-
- DMA_BLOCK(MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x18000000);
- }
-
- DMA_BLOCK(MGA_WFLAG, 0x00000000,
- MGA_WFLAG1, 0x00000000,
- MGA_WR56, MGA_G400_WR56_MAGIC, MGA_DMAPAD, 0x00000000);
-
- DMA_BLOCK(MGA_WR49, 0x00000000, /* tex0 */
- MGA_WR57, 0x00000000, /* tex0 */
- MGA_WR53, 0x00000000, /* tex1 */
- MGA_WR61, 0x00000000); /* tex1 */
-
- DMA_BLOCK(MGA_WR54, MGA_G400_WR_MAGIC, /* tex0 width */
- MGA_WR62, MGA_G400_WR_MAGIC, /* tex0 height */
- MGA_WR52, MGA_G400_WR_MAGIC, /* tex1 width */
- MGA_WR60, MGA_G400_WR_MAGIC); /* tex1 height */
-
- /* Padding required due to hardware bug */
- DMA_BLOCK(MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] |
- MGA_WMODE_START | dev_priv->wagp_enable));
-
- ADVANCE_DMA();
-}
-
-static void mga_g200_emit_state(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
-
- if (sarea_priv->warp_pipe != dev_priv->warp_pipe) {
- mga_g200_emit_pipe(dev_priv);
- dev_priv->warp_pipe = sarea_priv->warp_pipe;
- }
-
- if (dirty & MGA_UPLOAD_CONTEXT) {
- mga_g200_emit_context(dev_priv);
- sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT;
- }
-
- if (dirty & MGA_UPLOAD_TEX0) {
- mga_g200_emit_tex0(dev_priv);
- sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
- }
-}
-
-static void mga_g400_emit_state(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
- int multitex = sarea_priv->warp_pipe & MGA_T2;
-
- if (sarea_priv->warp_pipe != dev_priv->warp_pipe) {
- mga_g400_emit_pipe(dev_priv);
- dev_priv->warp_pipe = sarea_priv->warp_pipe;
- }
-
- if (dirty & MGA_UPLOAD_CONTEXT) {
- mga_g400_emit_context(dev_priv);
- sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT;
- }
-
- if (dirty & MGA_UPLOAD_TEX0) {
- mga_g400_emit_tex0(dev_priv);
- sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
- }
-
- if ((dirty & MGA_UPLOAD_TEX1) && multitex) {
- mga_g400_emit_tex1(dev_priv);
- sarea_priv->dirty &= ~MGA_UPLOAD_TEX1;
- }
-}
-
-/* ================================================================
- * SAREA state verification
- */
-
-/* Disallow all write destinations except the front and backbuffer.
- */
-static int mga_verify_context(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
-
- if (ctx->dstorg != dev_priv->front_offset &&
- ctx->dstorg != dev_priv->back_offset) {
- DRM_ERROR("*** bad DSTORG: %x (front %x, back %x)\n\n",
- ctx->dstorg, dev_priv->front_offset,
- dev_priv->back_offset);
- ctx->dstorg = 0;
- return -EINVAL;
- }
-
- return 0;
-}
-
-/* Disallow texture reads from PCI space.
- */
-static int mga_verify_tex(drm_mga_private_t *dev_priv, int unit)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[unit];
- unsigned int org;
-
- org = tex->texorg & (MGA_TEXORGMAP_MASK | MGA_TEXORGACC_MASK);
-
- if (org == (MGA_TEXORGMAP_SYSMEM | MGA_TEXORGACC_PCI)) {
- DRM_ERROR("*** bad TEXORG: 0x%x, unit %d\n", tex->texorg, unit);
- tex->texorg = 0;
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int mga_verify_state(drm_mga_private_t *dev_priv)
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
- int ret = 0;
-
- if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- if (dirty & MGA_UPLOAD_CONTEXT)
- ret |= mga_verify_context(dev_priv);
-
- if (dirty & MGA_UPLOAD_TEX0)
- ret |= mga_verify_tex(dev_priv, 0);
-
- if (dev_priv->chipset >= MGA_CARD_TYPE_G400) {
- if (dirty & MGA_UPLOAD_TEX1)
- ret |= mga_verify_tex(dev_priv, 1);
-
- if (dirty & MGA_UPLOAD_PIPE)
- ret |= (sarea_priv->warp_pipe > MGA_MAX_G400_PIPES);
- } else {
- if (dirty & MGA_UPLOAD_PIPE)
- ret |= (sarea_priv->warp_pipe > MGA_MAX_G200_PIPES);
- }
-
- return (ret == 0);
-}
-
-static int mga_verify_iload(drm_mga_private_t *dev_priv,
- unsigned int dstorg, unsigned int length)
-{
- if (dstorg < dev_priv->texture_offset ||
- dstorg + length > (dev_priv->texture_offset +
- dev_priv->texture_size)) {
- DRM_ERROR("*** bad iload DSTORG: 0x%x\n", dstorg);
- return -EINVAL;
- }
-
- if (length & MGA_ILOAD_MASK) {
- DRM_ERROR("*** bad iload length: 0x%x\n",
- length & MGA_ILOAD_MASK);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int mga_verify_blit(drm_mga_private_t *dev_priv,
- unsigned int srcorg, unsigned int dstorg)
-{
- if ((srcorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) ||
- (dstorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM)) {
- DRM_ERROR("*** bad blit: src=0x%x dst=0x%x\n", srcorg, dstorg);
- return -EINVAL;
- }
- return 0;
-}
-
-/* ================================================================
- *
- */
-
-static void mga_dma_dispatch_clear(struct drm_device *dev, drm_mga_clear_t *clear)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- struct drm_clip_rect *pbox = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- int i;
- DMA_LOCALS;
- DRM_DEBUG("\n");
-
- BEGIN_DMA(1);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100, MGA_DWGSYNC, 0x00007000);
-
- ADVANCE_DMA();
-
- for (i = 0; i < nbox; i++) {
- struct drm_clip_rect *box = &pbox[i];
- u32 height = box->y2 - box->y1;
-
- DRM_DEBUG(" from=%d,%d to=%d,%d\n",
- box->x1, box->y1, box->x2, box->y2);
-
- if (clear->flags & MGA_FRONT) {
- BEGIN_DMA(2);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, clear->color_mask,
- MGA_YDSTLEN, (box->y1 << 16) | height,
- MGA_FXBNDRY, (box->x2 << 16) | box->x1);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_FCOL, clear->clear_color,
- MGA_DSTORG, dev_priv->front_offset,
- MGA_DWGCTL + MGA_EXEC, dev_priv->clear_cmd);
-
- ADVANCE_DMA();
- }
-
- if (clear->flags & MGA_BACK) {
- BEGIN_DMA(2);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, clear->color_mask,
- MGA_YDSTLEN, (box->y1 << 16) | height,
- MGA_FXBNDRY, (box->x2 << 16) | box->x1);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_FCOL, clear->clear_color,
- MGA_DSTORG, dev_priv->back_offset,
- MGA_DWGCTL + MGA_EXEC, dev_priv->clear_cmd);
-
- ADVANCE_DMA();
- }
-
- if (clear->flags & MGA_DEPTH) {
- BEGIN_DMA(2);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, clear->depth_mask,
- MGA_YDSTLEN, (box->y1 << 16) | height,
- MGA_FXBNDRY, (box->x2 << 16) | box->x1);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_FCOL, clear->clear_depth,
- MGA_DSTORG, dev_priv->depth_offset,
- MGA_DWGCTL + MGA_EXEC, dev_priv->clear_cmd);
-
- ADVANCE_DMA();
- }
-
- }
-
- BEGIN_DMA(1);
-
- /* Force reset of DWGCTL */
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, ctx->plnwt, MGA_DWGCTL, ctx->dwgctl);
-
- ADVANCE_DMA();
-
- FLUSH_DMA();
-}
-
-static void mga_dma_dispatch_swap(struct drm_device *dev)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- struct drm_clip_rect *pbox = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- int i;
- DMA_LOCALS;
- DRM_DEBUG("\n");
-
- sarea_priv->last_frame.head = dev_priv->prim.tail;
- sarea_priv->last_frame.wrap = dev_priv->prim.last_wrap;
-
- BEGIN_DMA(4 + nbox);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100, MGA_DWGSYNC, 0x00007000);
-
- DMA_BLOCK(MGA_DSTORG, dev_priv->front_offset,
- MGA_MACCESS, dev_priv->maccess,
- MGA_SRCORG, dev_priv->back_offset,
- MGA_AR5, dev_priv->front_pitch);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, 0xffffffff, MGA_DWGCTL, MGA_DWGCTL_COPY);
-
- for (i = 0; i < nbox; i++) {
- struct drm_clip_rect *box = &pbox[i];
- u32 height = box->y2 - box->y1;
- u32 start = box->y1 * dev_priv->front_pitch;
-
- DRM_DEBUG(" from=%d,%d to=%d,%d\n",
- box->x1, box->y1, box->x2, box->y2);
-
- DMA_BLOCK(MGA_AR0, start + box->x2 - 1,
- MGA_AR3, start + box->x1,
- MGA_FXBNDRY, ((box->x2 - 1) << 16) | box->x1,
- MGA_YDSTLEN + MGA_EXEC, (box->y1 << 16) | height);
- }
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, ctx->plnwt,
- MGA_SRCORG, dev_priv->front_offset, MGA_DWGCTL, ctx->dwgctl);
-
- ADVANCE_DMA();
-
- FLUSH_DMA();
-
- DRM_DEBUG("... done.\n");
-}
-
-static void mga_dma_dispatch_vertex(struct drm_device *dev, struct drm_buf *buf)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_buf_priv_t *buf_priv = buf->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- u32 address = (u32) buf->bus_address;
- u32 length = (u32) buf->used;
- int i = 0;
- DMA_LOCALS;
- DRM_DEBUG("buf=%d used=%d\n", buf->idx, buf->used);
-
- if (buf->used) {
- buf_priv->dispatched = 1;
-
- MGA_EMIT_STATE(dev_priv, sarea_priv->dirty);
-
- do {
- if (i < sarea_priv->nbox) {
- mga_emit_clip_rect(dev_priv,
- &sarea_priv->boxes[i]);
- }
-
- BEGIN_DMA(1);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_SECADDRESS, (address |
- MGA_DMA_VERTEX),
- MGA_SECEND, ((address + length) |
- dev_priv->dma_access));
-
- ADVANCE_DMA();
- } while (++i < sarea_priv->nbox);
- }
-
- if (buf_priv->discard) {
- AGE_BUFFER(buf_priv);
- buf->pending = 0;
- buf->used = 0;
- buf_priv->dispatched = 0;
-
- mga_freelist_put(dev, buf);
- }
-
- FLUSH_DMA();
-}
-
-static void mga_dma_dispatch_indices(struct drm_device *dev, struct drm_buf *buf,
- unsigned int start, unsigned int end)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_buf_priv_t *buf_priv = buf->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- u32 address = (u32) buf->bus_address;
- int i = 0;
- DMA_LOCALS;
- DRM_DEBUG("buf=%d start=%d end=%d\n", buf->idx, start, end);
-
- if (start != end) {
- buf_priv->dispatched = 1;
-
- MGA_EMIT_STATE(dev_priv, sarea_priv->dirty);
-
- do {
- if (i < sarea_priv->nbox) {
- mga_emit_clip_rect(dev_priv,
- &sarea_priv->boxes[i]);
- }
-
- BEGIN_DMA(1);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_SETUPADDRESS, address + start,
- MGA_SETUPEND, ((address + end) |
- dev_priv->dma_access));
-
- ADVANCE_DMA();
- } while (++i < sarea_priv->nbox);
- }
-
- if (buf_priv->discard) {
- AGE_BUFFER(buf_priv);
- buf->pending = 0;
- buf->used = 0;
- buf_priv->dispatched = 0;
-
- mga_freelist_put(dev, buf);
- }
-
- FLUSH_DMA();
-}
-
-/* This copies a 64 byte aligned agp region to the frambuffer with a
- * standard blit, the ioctl needs to do checking.
- */
-static void mga_dma_dispatch_iload(struct drm_device *dev, struct drm_buf *buf,
- unsigned int dstorg, unsigned int length)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_buf_priv_t *buf_priv = buf->dev_private;
- drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state;
- u32 srcorg =
- buf->bus_address | dev_priv->dma_access | MGA_SRCMAP_SYSMEM;
- u32 y2;
- DMA_LOCALS;
- DRM_DEBUG("buf=%d used=%d\n", buf->idx, buf->used);
-
- y2 = length / 64;
-
- BEGIN_DMA(5);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100, MGA_DWGSYNC, 0x00007000);
-
- DMA_BLOCK(MGA_DSTORG, dstorg,
- MGA_MACCESS, 0x00000000, MGA_SRCORG, srcorg, MGA_AR5, 64);
-
- DMA_BLOCK(MGA_PITCH, 64,
- MGA_PLNWT, 0xffffffff,
- MGA_DMAPAD, 0x00000000, MGA_DWGCTL, MGA_DWGCTL_COPY);
-
- DMA_BLOCK(MGA_AR0, 63,
- MGA_AR3, 0,
- MGA_FXBNDRY, (63 << 16) | 0, MGA_YDSTLEN + MGA_EXEC, y2);
-
- DMA_BLOCK(MGA_PLNWT, ctx->plnwt,
- MGA_SRCORG, dev_priv->front_offset,
- MGA_PITCH, dev_priv->front_pitch, MGA_DWGSYNC, 0x00007000);
-
- ADVANCE_DMA();
-
- AGE_BUFFER(buf_priv);
-
- buf->pending = 0;
- buf->used = 0;
- buf_priv->dispatched = 0;
-
- mga_freelist_put(dev, buf);
-
- FLUSH_DMA();
-}
-
-static void mga_dma_dispatch_blit(struct drm_device *dev, drm_mga_blit_t *blit)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- struct drm_clip_rect *pbox = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- u32 scandir = 0, i;
- DMA_LOCALS;
- DRM_DEBUG("\n");
-
- BEGIN_DMA(4 + nbox);
-
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100, MGA_DWGSYNC, 0x00007000);
-
- DMA_BLOCK(MGA_DWGCTL, MGA_DWGCTL_COPY,
- MGA_PLNWT, blit->planemask,
- MGA_SRCORG, blit->srcorg, MGA_DSTORG, blit->dstorg);
-
- DMA_BLOCK(MGA_SGN, scandir,
- MGA_MACCESS, dev_priv->maccess,
- MGA_AR5, blit->ydir * blit->src_pitch,
- MGA_PITCH, blit->dst_pitch);
-
- for (i = 0; i < nbox; i++) {
- int srcx = pbox[i].x1 + blit->delta_sx;
- int srcy = pbox[i].y1 + blit->delta_sy;
- int dstx = pbox[i].x1 + blit->delta_dx;
- int dsty = pbox[i].y1 + blit->delta_dy;
- int h = pbox[i].y2 - pbox[i].y1;
- int w = pbox[i].x2 - pbox[i].x1 - 1;
- int start;
-
- if (blit->ydir == -1)
- srcy = blit->height - srcy - 1;
-
- start = srcy * blit->src_pitch + srcx;
-
- DMA_BLOCK(MGA_AR0, start + w,
- MGA_AR3, start,
- MGA_FXBNDRY, ((dstx + w) << 16) | (dstx & 0xffff),
- MGA_YDSTLEN + MGA_EXEC, (dsty << 16) | h);
- }
-
- /* Do something to flush AGP?
- */
-
- /* Force reset of DWGCTL */
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, ctx->plnwt,
- MGA_PITCH, dev_priv->front_pitch, MGA_DWGCTL, ctx->dwgctl);
-
- ADVANCE_DMA();
-}
-
-/* ================================================================
- *
- */
-
-static int mga_dma_clear(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_clear_t *clear = data;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- WRAP_TEST_WITH_RETURN(dev_priv);
-
- mga_dma_dispatch_clear(dev, clear);
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}
-
-static int mga_dma_swap(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- WRAP_TEST_WITH_RETURN(dev_priv);
-
- mga_dma_dispatch_swap(dev);
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}
-
-static int mga_dma_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- struct drm_device_dma *dma = dev->dma;
- struct drm_buf *buf;
- drm_mga_buf_priv_t *buf_priv;
- drm_mga_vertex_t *vertex = data;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (vertex->idx < 0 || vertex->idx > dma->buf_count)
- return -EINVAL;
- buf = dma->buflist[vertex->idx];
- buf_priv = buf->dev_private;
-
- buf->used = vertex->used;
- buf_priv->discard = vertex->discard;
-
- if (!mga_verify_state(dev_priv)) {
- if (vertex->discard) {
- if (buf_priv->dispatched == 1)
- AGE_BUFFER(buf_priv);
- buf_priv->dispatched = 0;
- mga_freelist_put(dev, buf);
- }
- return -EINVAL;
- }
-
- WRAP_TEST_WITH_RETURN(dev_priv);
-
- mga_dma_dispatch_vertex(dev, buf);
-
- return 0;
-}
-
-static int mga_dma_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- struct drm_device_dma *dma = dev->dma;
- struct drm_buf *buf;
- drm_mga_buf_priv_t *buf_priv;
- drm_mga_indices_t *indices = data;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (indices->idx < 0 || indices->idx > dma->buf_count)
- return -EINVAL;
-
- buf = dma->buflist[indices->idx];
- buf_priv = buf->dev_private;
-
- buf_priv->discard = indices->discard;
-
- if (!mga_verify_state(dev_priv)) {
- if (indices->discard) {
- if (buf_priv->dispatched == 1)
- AGE_BUFFER(buf_priv);
- buf_priv->dispatched = 0;
- mga_freelist_put(dev, buf);
- }
- return -EINVAL;
- }
-
- WRAP_TEST_WITH_RETURN(dev_priv);
-
- mga_dma_dispatch_indices(dev, buf, indices->start, indices->end);
-
- return 0;
-}
-
-static int mga_dma_iload(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- struct drm_device_dma *dma = dev->dma;
- drm_mga_private_t *dev_priv = dev->dev_private;
- struct drm_buf *buf;
- drm_mga_iload_t *iload = data;
- DRM_DEBUG("\n");
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-#if 0
- if (mga_do_wait_for_idle(dev_priv) < 0) {
- if (MGA_DMA_DEBUG)
- DRM_INFO("-EBUSY\n");
- return -EBUSY;
- }
-#endif
- if (iload->idx < 0 || iload->idx > dma->buf_count)
- return -EINVAL;
-
- buf = dma->buflist[iload->idx];
-
- if (mga_verify_iload(dev_priv, iload->dstorg, iload->length)) {
- mga_freelist_put(dev, buf);
- return -EINVAL;
- }
-
- WRAP_TEST_WITH_RETURN(dev_priv);
-
- mga_dma_dispatch_iload(dev, buf, iload->dstorg, iload->length);
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}
-
-static int mga_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_blit_t *blit = data;
- DRM_DEBUG("\n");
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- if (mga_verify_blit(dev_priv, blit->srcorg, blit->dstorg))
- return -EINVAL;
-
- WRAP_TEST_WITH_RETURN(dev_priv);
-
- mga_dma_dispatch_blit(dev, blit);
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}
-
-int mga_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_getparam_t *param = data;
- struct pci_dev *pdev = to_pci_dev(dev->dev);
- int value;
-
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- DRM_DEBUG("pid=%d\n", task_pid_nr(current));
-
- switch (param->param) {
- case MGA_PARAM_IRQ_NR:
- value = pdev->irq;
- break;
- case MGA_PARAM_CARD_TYPE:
- value = dev_priv->chipset;
- break;
- default:
- return -EINVAL;
- }
-
- if (copy_to_user(param->value, &value, sizeof(int))) {
- DRM_ERROR("copy_to_user\n");
- return -EFAULT;
- }
-
- return 0;
-}
-
-static int mga_set_fence(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- u32 *fence = data;
- DMA_LOCALS;
-
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- DRM_DEBUG("pid=%d\n", task_pid_nr(current));
-
- /* I would normal do this assignment in the declaration of fence,
- * but dev_priv may be NULL.
- */
-
- *fence = dev_priv->next_fence_to_post;
- dev_priv->next_fence_to_post++;
-
- BEGIN_DMA(1);
- DMA_BLOCK(MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000, MGA_SOFTRAP, 0x00000000);
- ADVANCE_DMA();
-
- return 0;
-}
-
-static int mga_wait_fence(struct drm_device *dev, void *data, struct drm_file *
-file_priv)
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- u32 *fence = data;
-
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- DRM_DEBUG("pid=%d\n", task_pid_nr(current));
-
- mga_driver_fence_wait(dev, fence);
- return 0;
-}
-
-const struct drm_ioctl_desc mga_ioctls[] = {
- DRM_IOCTL_DEF_DRV(MGA_INIT, mga_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
- DRM_IOCTL_DEF_DRV(MGA_FLUSH, mga_dma_flush, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(MGA_RESET, mga_dma_reset, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(MGA_SWAP, mga_dma_swap, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(MGA_CLEAR, mga_dma_clear, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(MGA_VERTEX, mga_dma_vertex, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(MGA_INDICES, mga_dma_indices, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(MGA_ILOAD, mga_dma_iload, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(MGA_BLIT, mga_dma_blit, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(MGA_GETPARAM, mga_getparam, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(MGA_SET_FENCE, mga_set_fence, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(MGA_WAIT_FENCE, mga_wait_fence, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(MGA_DMA_BOOTSTRAP, mga_dma_bootstrap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
-};
-
-int mga_max_ioctl = ARRAY_SIZE(mga_ioctls);
diff --git a/drivers/gpu/drm/mga/mga_warp.c b/drivers/gpu/drm/mga/mga_warp.c
deleted file mode 100644
index b5ef1d2c8b1c..000000000000
--- a/drivers/gpu/drm/mga/mga_warp.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/* mga_warp.c -- Matrox G200/G400 WARP engine management -*- linux-c -*-
- * Created: Thu Jan 11 21:29:32 2001 by gareth@xxxxxxxxxxx
- *
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS 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.
- *
- * Authors:
- * Gareth Hughes <gareth@xxxxxxxxxxx>
- */
-
-#include <linux/firmware.h>
-#include <linux/ihex.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-
-#include "mga_drv.h"
-
-#define FIRMWARE_G200 "matrox/g200_warp.fw"
-#define FIRMWARE_G400 "matrox/g400_warp.fw"
-
-MODULE_FIRMWARE(FIRMWARE_G200);
-MODULE_FIRMWARE(FIRMWARE_G400);
-
-#define MGA_WARP_CODE_ALIGN 256 /* in bytes */
-
-#define WARP_UCODE_SIZE(size) ALIGN(size, MGA_WARP_CODE_ALIGN)
-
-int mga_warp_install_microcode(drm_mga_private_t *dev_priv)
-{
- unsigned char *vcbase = dev_priv->warp->handle;
- unsigned long pcbase = dev_priv->warp->offset;
- const char *firmware_name;
- struct platform_device *pdev;
- const struct firmware *fw = NULL;
- const struct ihex_binrec *rec;
- unsigned int size;
- int n_pipes, where;
- int rc = 0;
-
- switch (dev_priv->chipset) {
- case MGA_CARD_TYPE_G400:
- case MGA_CARD_TYPE_G550:
- firmware_name = FIRMWARE_G400;
- n_pipes = MGA_MAX_G400_PIPES;
- break;
- case MGA_CARD_TYPE_G200:
- firmware_name = FIRMWARE_G200;
- n_pipes = MGA_MAX_G200_PIPES;
- break;
- default:
- return -EINVAL;
- }
-
- pdev = platform_device_register_simple("mga_warp", 0, NULL, 0);
- if (IS_ERR(pdev)) {
- DRM_ERROR("mga: Failed to register microcode\n");
- return PTR_ERR(pdev);
- }
- rc = request_ihex_firmware(&fw, firmware_name, &pdev->dev);
- platform_device_unregister(pdev);
- if (rc) {
- DRM_ERROR("mga: Failed to load microcode \"%s\"\n",
- firmware_name);
- return rc;
- }
-
- size = 0;
- where = 0;
- for (rec = (const struct ihex_binrec *)fw->data;
- rec;
- rec = ihex_next_binrec(rec)) {
- size += WARP_UCODE_SIZE(be16_to_cpu(rec->len));
- where++;
- }
-
- if (where != n_pipes) {
- DRM_ERROR("mga: Invalid microcode \"%s\"\n", firmware_name);
- rc = -EINVAL;
- goto out;
- }
- size = PAGE_ALIGN(size);
- DRM_DEBUG("MGA ucode size = %d bytes\n", size);
- if (size > dev_priv->warp->size) {
- DRM_ERROR("microcode too large! (%u > %lu)\n",
- size, dev_priv->warp->size);
- rc = -ENOMEM;
- goto out;
- }
-
- memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
-
- where = 0;
- for (rec = (const struct ihex_binrec *)fw->data;
- rec;
- rec = ihex_next_binrec(rec)) {
- unsigned int src_size, dst_size;
-
- DRM_DEBUG(" pcbase = 0x%08lx vcbase = %p\n", pcbase, vcbase);
- dev_priv->warp_pipe_phys[where] = pcbase;
- src_size = be16_to_cpu(rec->len);
- dst_size = WARP_UCODE_SIZE(src_size);
- memcpy(vcbase, rec->data, src_size);
- pcbase += dst_size;
- vcbase += dst_size;
- where++;
- }
-
-out:
- release_firmware(fw);
- return rc;
-}
-
-#define WMISC_EXPECTED (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)
-
-int mga_warp_init(drm_mga_private_t *dev_priv)
-{
- u32 wmisc;
-
- /* FIXME: Get rid of these damned magic numbers...
- */
- switch (dev_priv->chipset) {
- case MGA_CARD_TYPE_G400:
- case MGA_CARD_TYPE_G550:
- MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND);
- MGA_WRITE(MGA_WGETMSB, 0x00000E00);
- MGA_WRITE(MGA_WVRTXSZ, 0x00001807);
- MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000);
- break;
- case MGA_CARD_TYPE_G200:
- MGA_WRITE(MGA_WIADDR, MGA_WMODE_SUSPEND);
- MGA_WRITE(MGA_WGETMSB, 0x1606);
- MGA_WRITE(MGA_WVRTXSZ, 7);
- break;
- default:
- return -EINVAL;
- }
-
- MGA_WRITE(MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
- MGA_WMASTER_ENABLE | MGA_WCACHEFLUSH_ENABLE));
- wmisc = MGA_READ(MGA_WMISC);
- if (wmisc != WMISC_EXPECTED) {
- DRM_ERROR("WARP engine config failed! 0x%x != 0x%x\n",
- wmisc, WMISC_EXPECTED);
- return -EINVAL;
- }
-
- return 0;
-}
diff --git a/include/uapi/drm/mga_drm.h b/include/uapi/drm/mga_drm.h
deleted file mode 100644
index bb31567e66c0..000000000000
--- a/include/uapi/drm/mga_drm.h
+++ /dev/null
@@ -1,429 +0,0 @@
-/* mga_drm.h -- Public header for the Matrox g200/g400 driver -*- linux-c -*-
- * Created: Tue Jan 25 01:50:01 1999 by jhartmann@xxxxxxxxxxxxxxxxxxxx
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS 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.
- *
- * Authors:
- * Jeff Hartmann <jhartmann@xxxxxxxxxxx>
- * Keith Whitwell <keith@xxxxxxxxxxxxxxxxxxxx>
- *
- * Rewritten by:
- * Gareth Hughes <gareth@xxxxxxxxxxx>
- */
-
-#ifndef __MGA_DRM_H__
-#define __MGA_DRM_H__
-
-#include "drm.h"
-
-#if defined(__cplusplus)
-extern "C" {
-#endif
-
-/* WARNING: If you change any of these defines, make sure to change the
- * defines in the Xserver file (mga_sarea.h)
- */
-
-#ifndef __MGA_SAREA_DEFINES__
-#define __MGA_SAREA_DEFINES__
-
-/* WARP pipe flags
- */
-#define MGA_F 0x1 /* fog */
-#define MGA_A 0x2 /* alpha */
-#define MGA_S 0x4 /* specular */
-#define MGA_T2 0x8 /* multitexture */
-
-#define MGA_WARP_TGZ 0
-#define MGA_WARP_TGZF (MGA_F)
-#define MGA_WARP_TGZA (MGA_A)
-#define MGA_WARP_TGZAF (MGA_F|MGA_A)
-#define MGA_WARP_TGZS (MGA_S)
-#define MGA_WARP_TGZSF (MGA_S|MGA_F)
-#define MGA_WARP_TGZSA (MGA_S|MGA_A)
-#define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A)
-#define MGA_WARP_T2GZ (MGA_T2)
-#define MGA_WARP_T2GZF (MGA_T2|MGA_F)
-#define MGA_WARP_T2GZA (MGA_T2|MGA_A)
-#define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F)
-#define MGA_WARP_T2GZS (MGA_T2|MGA_S)
-#define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F)
-#define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A)
-#define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A)
-
-#define MGA_MAX_G200_PIPES 8 /* no multitex */
-#define MGA_MAX_G400_PIPES 16
-#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES
-#define MGA_WARP_UCODE_SIZE 32768 /* in bytes */
-
-#define MGA_CARD_TYPE_G200 1
-#define MGA_CARD_TYPE_G400 2
-#define MGA_CARD_TYPE_G450 3 /* not currently used */
-#define MGA_CARD_TYPE_G550 4
-
-#define MGA_FRONT 0x1
-#define MGA_BACK 0x2
-#define MGA_DEPTH 0x4
-
-/* What needs to be changed for the current vertex dma buffer?
- */
-#define MGA_UPLOAD_CONTEXT 0x1
-#define MGA_UPLOAD_TEX0 0x2
-#define MGA_UPLOAD_TEX1 0x4
-#define MGA_UPLOAD_PIPE 0x8
-#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */
-#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */
-#define MGA_UPLOAD_2D 0x40
-#define MGA_WAIT_AGE 0x80 /* handled client-side */
-#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */
-#if 0
-#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock
- quiescent */
-#endif
-
-/* 32 buffers of 64k each, total 2 meg.
- */
-#define MGA_BUFFER_SIZE (1 << 16)
-#define MGA_NUM_BUFFERS 128
-
-/* Keep these small for testing.
- */
-#define MGA_NR_SAREA_CLIPRECTS 8
-
-/* 2 heaps (1 for card, 1 for agp), each divided into up to 128
- * regions, subject to a minimum region size of (1<<16) == 64k.
- *
- * Clients may subdivide regions internally, but when sharing between
- * clients, the region size is the minimum granularity.
- */
-
-#define MGA_CARD_HEAP 0
-#define MGA_AGP_HEAP 1
-#define MGA_NR_TEX_HEAPS 2
-#define MGA_NR_TEX_REGIONS 16
-#define MGA_LOG_MIN_TEX_REGION_SIZE 16
-
-#define DRM_MGA_IDLE_RETRY 2048
-
-#endif /* __MGA_SAREA_DEFINES__ */
-
-/* Setup registers for 3D context
- */
-typedef struct {
- unsigned int dstorg;
- unsigned int maccess;
- unsigned int plnwt;
- unsigned int dwgctl;
- unsigned int alphactrl;
- unsigned int fogcolor;
- unsigned int wflag;
- unsigned int tdualstage0;
- unsigned int tdualstage1;
- unsigned int fcol;
- unsigned int stencil;
- unsigned int stencilctl;
-} drm_mga_context_regs_t;
-
-/* Setup registers for 2D, X server
- */
-typedef struct {
- unsigned int pitch;
-} drm_mga_server_regs_t;
-
-/* Setup registers for each texture unit
- */
-typedef struct {
- unsigned int texctl;
- unsigned int texctl2;
- unsigned int texfilter;
- unsigned int texbordercol;
- unsigned int texorg;
- unsigned int texwidth;
- unsigned int texheight;
- unsigned int texorg1;
- unsigned int texorg2;
- unsigned int texorg3;
- unsigned int texorg4;
-} drm_mga_texture_regs_t;
-
-/* General aging mechanism
- */
-typedef struct {
- unsigned int head; /* Position of head pointer */
- unsigned int wrap; /* Primary DMA wrap count */
-} drm_mga_age_t;
-
-typedef struct _drm_mga_sarea {
- /* The channel for communication of state information to the kernel
- * on firing a vertex dma buffer.
- */
- drm_mga_context_regs_t context_state;
- drm_mga_server_regs_t server_state;
- drm_mga_texture_regs_t tex_state[2];
- unsigned int warp_pipe;
- unsigned int dirty;
- unsigned int vertsize;
-
- /* The current cliprects, or a subset thereof.
- */
- struct drm_clip_rect boxes[MGA_NR_SAREA_CLIPRECTS];
- unsigned int nbox;
-
- /* Information about the most recently used 3d drawable. The
- * client fills in the req_* fields, the server fills in the
- * exported_ fields and puts the cliprects into boxes, above.
- *
- * The client clears the exported_drawable field before
- * clobbering the boxes data.
- */
- unsigned int req_drawable; /* the X drawable id */
- unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */
-
- unsigned int exported_drawable;
- unsigned int exported_index;
- unsigned int exported_stamp;
- unsigned int exported_buffers;
- unsigned int exported_nfront;
- unsigned int exported_nback;
- int exported_back_x, exported_front_x, exported_w;
- int exported_back_y, exported_front_y, exported_h;
- struct drm_clip_rect exported_boxes[MGA_NR_SAREA_CLIPRECTS];
-
- /* Counters for aging textures and for client-side throttling.
- */
- unsigned int status[4];
- unsigned int last_wrap;
-
- drm_mga_age_t last_frame;
- unsigned int last_enqueue; /* last time a buffer was enqueued */
- unsigned int last_dispatch; /* age of the most recently dispatched buffer */
- unsigned int last_quiescent; /* */
-
- /* LRU lists for texture memory in agp space and on the card.
- */
- struct drm_tex_region texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS + 1];
- unsigned int texAge[MGA_NR_TEX_HEAPS];
-
- /* Mechanism to validate card state.
- */
- int ctxOwner;
-} drm_mga_sarea_t;
-
-/* MGA specific ioctls
- * The device specific ioctl range is 0x40 to 0x79.
- */
-#define DRM_MGA_INIT 0x00
-#define DRM_MGA_FLUSH 0x01
-#define DRM_MGA_RESET 0x02
-#define DRM_MGA_SWAP 0x03
-#define DRM_MGA_CLEAR 0x04
-#define DRM_MGA_VERTEX 0x05
-#define DRM_MGA_INDICES 0x06
-#define DRM_MGA_ILOAD 0x07
-#define DRM_MGA_BLIT 0x08
-#define DRM_MGA_GETPARAM 0x09
-
-/* 3.2:
- * ioctls for operating on fences.
- */
-#define DRM_MGA_SET_FENCE 0x0a
-#define DRM_MGA_WAIT_FENCE 0x0b
-#define DRM_MGA_DMA_BOOTSTRAP 0x0c
-
-#define DRM_IOCTL_MGA_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INIT, drm_mga_init_t)
-#define DRM_IOCTL_MGA_FLUSH DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_FLUSH, struct drm_lock)
-#define DRM_IOCTL_MGA_RESET DRM_IO( DRM_COMMAND_BASE + DRM_MGA_RESET)
-#define DRM_IOCTL_MGA_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_MGA_SWAP)
-#define DRM_IOCTL_MGA_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_CLEAR, drm_mga_clear_t)
-#define DRM_IOCTL_MGA_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_VERTEX, drm_mga_vertex_t)
-#define DRM_IOCTL_MGA_INDICES DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INDICES, drm_mga_indices_t)
-#define DRM_IOCTL_MGA_ILOAD DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_ILOAD, drm_mga_iload_t)
-#define DRM_IOCTL_MGA_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_BLIT, drm_mga_blit_t)
-#define DRM_IOCTL_MGA_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_GETPARAM, drm_mga_getparam_t)
-#define DRM_IOCTL_MGA_SET_FENCE DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_SET_FENCE, __u32)
-#define DRM_IOCTL_MGA_WAIT_FENCE DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_WAIT_FENCE, __u32)
-#define DRM_IOCTL_MGA_DMA_BOOTSTRAP DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_DMA_BOOTSTRAP, drm_mga_dma_bootstrap_t)
-
-typedef struct _drm_mga_warp_index {
- int installed;
- unsigned long phys_addr;
- int size;
-} drm_mga_warp_index_t;
-
-typedef struct drm_mga_init {
- enum {
- MGA_INIT_DMA = 0x01,
- MGA_CLEANUP_DMA = 0x02
- } func;
-
- unsigned long sarea_priv_offset;
-
- __struct_group(/* no tag */, always32bit, /* no attrs */,
- int chipset;
- int sgram;
-
- unsigned int maccess;
-
- unsigned int fb_cpp;
- unsigned int front_offset, front_pitch;
- unsigned int back_offset, back_pitch;
-
- unsigned int depth_cpp;
- unsigned int depth_offset, depth_pitch;
-
- unsigned int texture_offset[MGA_NR_TEX_HEAPS];
- unsigned int texture_size[MGA_NR_TEX_HEAPS];
- );
-
- unsigned long fb_offset;
- unsigned long mmio_offset;
- unsigned long status_offset;
- unsigned long warp_offset;
- unsigned long primary_offset;
- unsigned long buffers_offset;
-} drm_mga_init_t;
-
-typedef struct drm_mga_dma_bootstrap {
- /**
- * \name AGP texture region
- *
- * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, these fields will
- * be filled in with the actual AGP texture settings.
- *
- * \warning
- * If these fields are non-zero, but dma_mga_dma_bootstrap::agp_mode
- * is zero, it means that PCI memory (most likely through the use of
- * an IOMMU) is being used for "AGP" textures.
- */
- /*@{ */
- unsigned long texture_handle; /**< Handle used to map AGP textures. */
- __u32 texture_size; /**< Size of the AGP texture region. */
- /*@} */
-
- /**
- * Requested size of the primary DMA region.
- *
- * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
- * filled in with the actual AGP mode. If AGP was not available
- */
- __u32 primary_size;
-
- /**
- * Requested number of secondary DMA buffers.
- *
- * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
- * filled in with the actual number of secondary DMA buffers
- * allocated. Particularly when PCI DMA is used, this may be
- * (subtantially) less than the number requested.
- */
- __u32 secondary_bin_count;
-
- /**
- * Requested size of each secondary DMA buffer.
- *
- * While the kernel \b is free to reduce
- * dma_mga_dma_bootstrap::secondary_bin_count, it is \b not allowed
- * to reduce dma_mga_dma_bootstrap::secondary_bin_size.
- */
- __u32 secondary_bin_size;
-
- /**
- * Bit-wise mask of AGPSTAT2_* values. Currently only \c AGPSTAT2_1X,
- * \c AGPSTAT2_2X, and \c AGPSTAT2_4X are supported. If this value is
- * zero, it means that PCI DMA should be used, even if AGP is
- * possible.
- *
- * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
- * filled in with the actual AGP mode. If AGP was not available
- * (i.e., PCI DMA was used), this value will be zero.
- */
- __u32 agp_mode;
-
- /**
- * Desired AGP GART size, measured in megabytes.
- */
- __u8 agp_size;
-} drm_mga_dma_bootstrap_t;
-
-typedef struct drm_mga_clear {
- unsigned int flags;
- unsigned int clear_color;
- unsigned int clear_depth;
- unsigned int color_mask;
- unsigned int depth_mask;
-} drm_mga_clear_t;
-
-typedef struct drm_mga_vertex {
- int idx; /* buffer to queue */
- int used; /* bytes in use */
- int discard; /* client finished with buffer? */
-} drm_mga_vertex_t;
-
-typedef struct drm_mga_indices {
- int idx; /* buffer to queue */
- unsigned int start;
- unsigned int end;
- int discard; /* client finished with buffer? */
-} drm_mga_indices_t;
-
-typedef struct drm_mga_iload {
- int idx;
- unsigned int dstorg;
- unsigned int length;
-} drm_mga_iload_t;
-
-typedef struct _drm_mga_blit {
- unsigned int planemask;
- unsigned int srcorg;
- unsigned int dstorg;
- int src_pitch, dst_pitch;
- int delta_sx, delta_sy;
- int delta_dx, delta_dy;
- int height, ydir; /* flip image vertically */
- int source_pitch, dest_pitch;
-} drm_mga_blit_t;
-
-/* 3.1: An ioctl to get parameters that aren't available to the 3d
- * client any other way.
- */
-#define MGA_PARAM_IRQ_NR 1
-
-/* 3.2: Query the actual card type. The DDX only distinguishes between
- * G200 chips and non-G200 chips, which it calls G400. It turns out that
- * there are some very sublte differences between the G4x0 chips and the G550
- * chips. Using this parameter query, a client-side driver can detect the
- * difference between a G4x0 and a G550.
- */
-#define MGA_PARAM_CARD_TYPE 2
-
-typedef struct drm_mga_getparam {
- int param;
- void __user *value;
-} drm_mga_getparam_t;
-
-#if defined(__cplusplus)
-}
-#endif
-
-#endif
--
2.25.1

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