![Ben Hutchings](/assets/img/avatar_default.png)
Image format is IHEX, one record for each pipe in order (record addresses are ignored). Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Dave Airlie <airlied@redhat.com>
170 lines
4.7 KiB
C
170 lines
4.7 KiB
C
/* 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/platform_device.h>
|
|
|
|
#include "drmP.h"
|
|
#include "drm.h"
|
|
#include "mga_drm.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;
|
|
}
|