drivers/char/drm/mga_warp.c - kernel/msm - Gitiles

 /* 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 "drmP.h"
 #include "drm.h"
 #include "mga_drm.h"
 #include "mga_drv.h"
 #include "mga_ucode.h"

 #define MGA_WARP_CODE_ALIGN		256	/* in bytes */

 #define WARP_UCODE_SIZE( which )					\
 	((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN)

 #define WARP_UCODE_INSTALL( which, where )				\
 do {									\
 	DRM_DEBUG( " pcbase = 0x%08lx  vcbase = %p\n", pcbase, vcbase );\
 	dev_priv->warp_pipe_phys[where] = pcbase;			\
 	memcpy( vcbase, which, sizeof(which) );				\
 	pcbase += WARP_UCODE_SIZE( which );				\
 	vcbase += WARP_UCODE_SIZE( which );				\
 } while (0)

 static const unsigned int mga_warp_g400_microcode_size =
     (WARP_UCODE_SIZE(warp_g400_tgz) +
      WARP_UCODE_SIZE(warp_g400_tgza) +
      WARP_UCODE_SIZE(warp_g400_tgzaf) +
      WARP_UCODE_SIZE(warp_g400_tgzf) +
      WARP_UCODE_SIZE(warp_g400_tgzs) +
      WARP_UCODE_SIZE(warp_g400_tgzsa) +
      WARP_UCODE_SIZE(warp_g400_tgzsaf) +
      WARP_UCODE_SIZE(warp_g400_tgzsf) +
      WARP_UCODE_SIZE(warp_g400_t2gz) +
      WARP_UCODE_SIZE(warp_g400_t2gza) +
      WARP_UCODE_SIZE(warp_g400_t2gzaf) +
      WARP_UCODE_SIZE(warp_g400_t2gzf) +
      WARP_UCODE_SIZE(warp_g400_t2gzs) +
      WARP_UCODE_SIZE(warp_g400_t2gzsa) +
      WARP_UCODE_SIZE(warp_g400_t2gzsaf) + WARP_UCODE_SIZE(warp_g400_t2gzsf));

 static const unsigned int mga_warp_g200_microcode_size =
     (WARP_UCODE_SIZE(warp_g200_tgz) +
      WARP_UCODE_SIZE(warp_g200_tgza) +
      WARP_UCODE_SIZE(warp_g200_tgzaf) +
      WARP_UCODE_SIZE(warp_g200_tgzf) +
      WARP_UCODE_SIZE(warp_g200_tgzs) +
      WARP_UCODE_SIZE(warp_g200_tgzsa) +
      WARP_UCODE_SIZE(warp_g200_tgzsaf) + WARP_UCODE_SIZE(warp_g200_tgzsf));

 unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv)
 {
 	switch (dev_priv->chipset) {
 	case MGA_CARD_TYPE_G400:
 	case MGA_CARD_TYPE_G550:
 		return PAGE_ALIGN(mga_warp_g400_microcode_size);
 	case MGA_CARD_TYPE_G200:
 		return PAGE_ALIGN(mga_warp_g200_microcode_size);
 	default:
 		return 0;
 	}
 }

 static int mga_warp_install_g400_microcode(drm_mga_private_t * dev_priv)
 {
 	unsigned char *vcbase = dev_priv->warp->handle;
 	unsigned long pcbase = dev_priv->warp->offset;

 	memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));

 	WARP_UCODE_INSTALL(warp_g400_tgz, MGA_WARP_TGZ);
 	WARP_UCODE_INSTALL(warp_g400_tgzf, MGA_WARP_TGZF);
 	WARP_UCODE_INSTALL(warp_g400_tgza, MGA_WARP_TGZA);
 	WARP_UCODE_INSTALL(warp_g400_tgzaf, MGA_WARP_TGZAF);
 	WARP_UCODE_INSTALL(warp_g400_tgzs, MGA_WARP_TGZS);
 	WARP_UCODE_INSTALL(warp_g400_tgzsf, MGA_WARP_TGZSF);
 	WARP_UCODE_INSTALL(warp_g400_tgzsa, MGA_WARP_TGZSA);
 	WARP_UCODE_INSTALL(warp_g400_tgzsaf, MGA_WARP_TGZSAF);

 	WARP_UCODE_INSTALL(warp_g400_t2gz, MGA_WARP_T2GZ);
 	WARP_UCODE_INSTALL(warp_g400_t2gzf, MGA_WARP_T2GZF);
 	WARP_UCODE_INSTALL(warp_g400_t2gza, MGA_WARP_T2GZA);
 	WARP_UCODE_INSTALL(warp_g400_t2gzaf, MGA_WARP_T2GZAF);
 	WARP_UCODE_INSTALL(warp_g400_t2gzs, MGA_WARP_T2GZS);
 	WARP_UCODE_INSTALL(warp_g400_t2gzsf, MGA_WARP_T2GZSF);
 	WARP_UCODE_INSTALL(warp_g400_t2gzsa, MGA_WARP_T2GZSA);
 	WARP_UCODE_INSTALL(warp_g400_t2gzsaf, MGA_WARP_T2GZSAF);

 	return 0;
 }

 static int mga_warp_install_g200_microcode(drm_mga_private_t * dev_priv)
 {
 	unsigned char *vcbase = dev_priv->warp->handle;
 	unsigned long pcbase = dev_priv->warp->offset;

 	memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));

 	WARP_UCODE_INSTALL(warp_g200_tgz, MGA_WARP_TGZ);
 	WARP_UCODE_INSTALL(warp_g200_tgzf, MGA_WARP_TGZF);
 	WARP_UCODE_INSTALL(warp_g200_tgza, MGA_WARP_TGZA);
 	WARP_UCODE_INSTALL(warp_g200_tgzaf, MGA_WARP_TGZAF);
 	WARP_UCODE_INSTALL(warp_g200_tgzs, MGA_WARP_TGZS);
 	WARP_UCODE_INSTALL(warp_g200_tgzsf, MGA_WARP_TGZSF);
 	WARP_UCODE_INSTALL(warp_g200_tgzsa, MGA_WARP_TGZSA);
 	WARP_UCODE_INSTALL(warp_g200_tgzsaf, MGA_WARP_TGZSAF);

 	return 0;
 }

 int mga_warp_install_microcode(drm_mga_private_t * dev_priv)
 {
 	const unsigned int size = mga_warp_microcode_size(dev_priv);

 	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);
 		return DRM_ERR(ENOMEM);
 	}

 	switch (dev_priv->chipset) {
 	case MGA_CARD_TYPE_G400:
 	case MGA_CARD_TYPE_G550:
 		return mga_warp_install_g400_microcode(dev_priv);
 	case MGA_CARD_TYPE_G200:
 		return mga_warp_install_g200_microcode(dev_priv);
 	default:
 		return DRM_ERR(EINVAL);
 	}
 }

 #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 DRM_ERR(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 DRM_ERR(EINVAL);
 	}

 	return 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 "drmP.h"
	#include "drm.h"
	#include "mga_drm.h"
	#include "mga_drv.h"
	#include "mga_ucode.h"

	#define MGA_WARP_CODE_ALIGN 256 /* in bytes */

	#define WARP_UCODE_SIZE( which ) \
	((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN)

	#define WARP_UCODE_INSTALL( which, where ) \
	do { \
	DRM_DEBUG( " pcbase = 0x%08lx vcbase = %p\n", pcbase, vcbase );\
	dev_priv->warp_pipe_phys[where] = pcbase; \
	memcpy( vcbase, which, sizeof(which) ); \
	pcbase += WARP_UCODE_SIZE( which ); \
	vcbase += WARP_UCODE_SIZE( which ); \
	} while (0)

	static const unsigned int mga_warp_g400_microcode_size =
	(WARP_UCODE_SIZE(warp_g400_tgz) +
	WARP_UCODE_SIZE(warp_g400_tgza) +
	WARP_UCODE_SIZE(warp_g400_tgzaf) +
	WARP_UCODE_SIZE(warp_g400_tgzf) +
	WARP_UCODE_SIZE(warp_g400_tgzs) +
	WARP_UCODE_SIZE(warp_g400_tgzsa) +
	WARP_UCODE_SIZE(warp_g400_tgzsaf) +
	WARP_UCODE_SIZE(warp_g400_tgzsf) +
	WARP_UCODE_SIZE(warp_g400_t2gz) +
	WARP_UCODE_SIZE(warp_g400_t2gza) +
	WARP_UCODE_SIZE(warp_g400_t2gzaf) +
	WARP_UCODE_SIZE(warp_g400_t2gzf) +
	WARP_UCODE_SIZE(warp_g400_t2gzs) +
	WARP_UCODE_SIZE(warp_g400_t2gzsa) +
	WARP_UCODE_SIZE(warp_g400_t2gzsaf) + WARP_UCODE_SIZE(warp_g400_t2gzsf));

	static const unsigned int mga_warp_g200_microcode_size =
	(WARP_UCODE_SIZE(warp_g200_tgz) +
	WARP_UCODE_SIZE(warp_g200_tgza) +
	WARP_UCODE_SIZE(warp_g200_tgzaf) +
	WARP_UCODE_SIZE(warp_g200_tgzf) +
	WARP_UCODE_SIZE(warp_g200_tgzs) +
	WARP_UCODE_SIZE(warp_g200_tgzsa) +
	WARP_UCODE_SIZE(warp_g200_tgzsaf) + WARP_UCODE_SIZE(warp_g200_tgzsf));

	unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv)
	{
	switch (dev_priv->chipset) {
	case MGA_CARD_TYPE_G400:
	case MGA_CARD_TYPE_G550:
	return PAGE_ALIGN(mga_warp_g400_microcode_size);
	case MGA_CARD_TYPE_G200:
	return PAGE_ALIGN(mga_warp_g200_microcode_size);
	default:
	return 0;
	}
	}

	static int mga_warp_install_g400_microcode(drm_mga_private_t * dev_priv)
	{
	unsigned char *vcbase = dev_priv->warp->handle;
	unsigned long pcbase = dev_priv->warp->offset;

	memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));

	WARP_UCODE_INSTALL(warp_g400_tgz, MGA_WARP_TGZ);
	WARP_UCODE_INSTALL(warp_g400_tgzf, MGA_WARP_TGZF);
	WARP_UCODE_INSTALL(warp_g400_tgza, MGA_WARP_TGZA);
	WARP_UCODE_INSTALL(warp_g400_tgzaf, MGA_WARP_TGZAF);
	WARP_UCODE_INSTALL(warp_g400_tgzs, MGA_WARP_TGZS);
	WARP_UCODE_INSTALL(warp_g400_tgzsf, MGA_WARP_TGZSF);
	WARP_UCODE_INSTALL(warp_g400_tgzsa, MGA_WARP_TGZSA);
	WARP_UCODE_INSTALL(warp_g400_tgzsaf, MGA_WARP_TGZSAF);

	WARP_UCODE_INSTALL(warp_g400_t2gz, MGA_WARP_T2GZ);
	WARP_UCODE_INSTALL(warp_g400_t2gzf, MGA_WARP_T2GZF);
	WARP_UCODE_INSTALL(warp_g400_t2gza, MGA_WARP_T2GZA);
	WARP_UCODE_INSTALL(warp_g400_t2gzaf, MGA_WARP_T2GZAF);
	WARP_UCODE_INSTALL(warp_g400_t2gzs, MGA_WARP_T2GZS);
	WARP_UCODE_INSTALL(warp_g400_t2gzsf, MGA_WARP_T2GZSF);
	WARP_UCODE_INSTALL(warp_g400_t2gzsa, MGA_WARP_T2GZSA);
	WARP_UCODE_INSTALL(warp_g400_t2gzsaf, MGA_WARP_T2GZSAF);

	return 0;
	}

	static int mga_warp_install_g200_microcode(drm_mga_private_t * dev_priv)
	{
	unsigned char *vcbase = dev_priv->warp->handle;
	unsigned long pcbase = dev_priv->warp->offset;

	memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));

	WARP_UCODE_INSTALL(warp_g200_tgz, MGA_WARP_TGZ);
	WARP_UCODE_INSTALL(warp_g200_tgzf, MGA_WARP_TGZF);
	WARP_UCODE_INSTALL(warp_g200_tgza, MGA_WARP_TGZA);
	WARP_UCODE_INSTALL(warp_g200_tgzaf, MGA_WARP_TGZAF);
	WARP_UCODE_INSTALL(warp_g200_tgzs, MGA_WARP_TGZS);
	WARP_UCODE_INSTALL(warp_g200_tgzsf, MGA_WARP_TGZSF);
	WARP_UCODE_INSTALL(warp_g200_tgzsa, MGA_WARP_TGZSA);
	WARP_UCODE_INSTALL(warp_g200_tgzsaf, MGA_WARP_TGZSAF);

	return 0;
	}

	int mga_warp_install_microcode(drm_mga_private_t * dev_priv)
	{
	const unsigned int size = mga_warp_microcode_size(dev_priv);

	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);
	return DRM_ERR(ENOMEM);
	}

	switch (dev_priv->chipset) {
	case MGA_CARD_TYPE_G400:
	case MGA_CARD_TYPE_G550:
	return mga_warp_install_g400_microcode(dev_priv);
	case MGA_CARD_TYPE_G200:
	return mga_warp_install_g200_microcode(dev_priv);
	default:
	return DRM_ERR(EINVAL);
	}
	}

	#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 DRM_ERR(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 DRM_ERR(EINVAL);
	}

	return 0;
	}