diff options
Diffstat (limited to 'drivers/gpu/drm/mga/mga_warp.c')
| -rw-r--r-- | drivers/gpu/drm/mga/mga_warp.c | 167 |
1 files changed, 0 insertions, 167 deletions
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@valinux.com - * - * 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@valinux.com> - */ - -#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; -} |