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      1 /* mga_warp.c -- Matrox G200/G400 WARP engine management -*- linux-c -*-
      2  * Created: Thu Jan 11 21:29:32 2001 by gareth (at) valinux.com
      3  */
      4 /*
      5  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
      6  * All Rights Reserved.
      7  *
      8  * Permission is hereby granted, free of charge, to any person obtaining a
      9  * copy of this software and associated documentation files (the "Software"),
     10  * to deal in the Software without restriction, including without limitation
     11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     12  * and/or sell copies of the Software, and to permit persons to whom the
     13  * Software is furnished to do so, subject to the following conditions:
     14  *
     15  * The above copyright notice and this permission notice (including the next
     16  * paragraph) shall be included in all copies or substantial portions of the
     17  * Software.
     18  *
     19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     22  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     23  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     24  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     25  * OTHER DEALINGS IN THE SOFTWARE.
     26  *
     27  * Authors:
     28  *    Gareth Hughes <gareth (at) valinux.com>
     29  */
     30 
     31 #include "drmP.h"
     32 #include "drm.h"
     33 #include "mga_drm.h"
     34 #include "mga_drv.h"
     35 #include "mga_ucode.h"
     36 
     37 #define MGA_WARP_CODE_ALIGN		256	/* in bytes */
     38 
     39 #define WARP_UCODE_SIZE( which )					\
     40 	((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN)
     41 
     42 #define WARP_UCODE_INSTALL( which, where )				\
     43 do {									\
     44 	DRM_DEBUG( " pcbase = 0x%08lx  vcbase = %p\n", pcbase, vcbase );\
     45 	dev_priv->warp_pipe_phys[where] = pcbase;			\
     46 	memcpy( vcbase, which, sizeof(which) );				\
     47 	pcbase += WARP_UCODE_SIZE( which );				\
     48 	vcbase += WARP_UCODE_SIZE( which );				\
     49 } while (0)
     50 
     51 static const unsigned int mga_warp_g400_microcode_size =
     52 	       (WARP_UCODE_SIZE(warp_g400_tgz) +
     53 		WARP_UCODE_SIZE(warp_g400_tgza) +
     54 		WARP_UCODE_SIZE(warp_g400_tgzaf) +
     55 		WARP_UCODE_SIZE(warp_g400_tgzf) +
     56 		WARP_UCODE_SIZE(warp_g400_tgzs) +
     57 		WARP_UCODE_SIZE(warp_g400_tgzsa) +
     58 		WARP_UCODE_SIZE(warp_g400_tgzsaf) +
     59 		WARP_UCODE_SIZE(warp_g400_tgzsf) +
     60 		WARP_UCODE_SIZE(warp_g400_t2gz) +
     61 		WARP_UCODE_SIZE(warp_g400_t2gza) +
     62 		WARP_UCODE_SIZE(warp_g400_t2gzaf) +
     63 		WARP_UCODE_SIZE(warp_g400_t2gzf) +
     64 		WARP_UCODE_SIZE(warp_g400_t2gzs) +
     65 		WARP_UCODE_SIZE(warp_g400_t2gzsa) +
     66 		WARP_UCODE_SIZE(warp_g400_t2gzsaf) +
     67 		WARP_UCODE_SIZE(warp_g400_t2gzsf));
     68 
     69 static const unsigned int mga_warp_g200_microcode_size =
     70 	       (WARP_UCODE_SIZE(warp_g200_tgz) +
     71 		WARP_UCODE_SIZE(warp_g200_tgza) +
     72 		WARP_UCODE_SIZE(warp_g200_tgzaf) +
     73 		WARP_UCODE_SIZE(warp_g200_tgzf) +
     74 		WARP_UCODE_SIZE(warp_g200_tgzs) +
     75 		WARP_UCODE_SIZE(warp_g200_tgzsa) +
     76 		WARP_UCODE_SIZE(warp_g200_tgzsaf) +
     77 		WARP_UCODE_SIZE(warp_g200_tgzsf));
     78 
     79 
     80 unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv)
     81 {
     82 	switch (dev_priv->chipset) {
     83 	case MGA_CARD_TYPE_G400:
     84 	case MGA_CARD_TYPE_G550:
     85 		return PAGE_ALIGN(mga_warp_g400_microcode_size);
     86 	case MGA_CARD_TYPE_G200:
     87 		return PAGE_ALIGN(mga_warp_g200_microcode_size);
     88 	default:
     89 		DRM_ERROR("Unknown chipset value: 0x%x\n", dev_priv->chipset);
     90 		return 0;
     91 	}
     92 }
     93 
     94 static int mga_warp_install_g400_microcode(drm_mga_private_t * dev_priv)
     95 {
     96 	unsigned char *vcbase = dev_priv->warp->handle;
     97 	unsigned long pcbase = dev_priv->warp->offset;
     98 
     99 	memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
    100 
    101 	WARP_UCODE_INSTALL(warp_g400_tgz, MGA_WARP_TGZ);
    102 	WARP_UCODE_INSTALL(warp_g400_tgzf, MGA_WARP_TGZF);
    103 	WARP_UCODE_INSTALL(warp_g400_tgza, MGA_WARP_TGZA);
    104 	WARP_UCODE_INSTALL(warp_g400_tgzaf, MGA_WARP_TGZAF);
    105 	WARP_UCODE_INSTALL(warp_g400_tgzs, MGA_WARP_TGZS);
    106 	WARP_UCODE_INSTALL(warp_g400_tgzsf, MGA_WARP_TGZSF);
    107 	WARP_UCODE_INSTALL(warp_g400_tgzsa, MGA_WARP_TGZSA);
    108 	WARP_UCODE_INSTALL(warp_g400_tgzsaf, MGA_WARP_TGZSAF);
    109 
    110 	WARP_UCODE_INSTALL(warp_g400_t2gz, MGA_WARP_T2GZ);
    111 	WARP_UCODE_INSTALL(warp_g400_t2gzf, MGA_WARP_T2GZF);
    112 	WARP_UCODE_INSTALL(warp_g400_t2gza, MGA_WARP_T2GZA);
    113 	WARP_UCODE_INSTALL(warp_g400_t2gzaf, MGA_WARP_T2GZAF);
    114 	WARP_UCODE_INSTALL(warp_g400_t2gzs, MGA_WARP_T2GZS);
    115 	WARP_UCODE_INSTALL(warp_g400_t2gzsf, MGA_WARP_T2GZSF);
    116 	WARP_UCODE_INSTALL(warp_g400_t2gzsa, MGA_WARP_T2GZSA);
    117 	WARP_UCODE_INSTALL(warp_g400_t2gzsaf, MGA_WARP_T2GZSAF);
    118 
    119 	return 0;
    120 }
    121 
    122 static int mga_warp_install_g200_microcode(drm_mga_private_t * dev_priv)
    123 {
    124 	unsigned char *vcbase = dev_priv->warp->handle;
    125 	unsigned long pcbase = dev_priv->warp->offset;
    126 
    127 	memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
    128 
    129 	WARP_UCODE_INSTALL(warp_g200_tgz, MGA_WARP_TGZ);
    130 	WARP_UCODE_INSTALL(warp_g200_tgzf, MGA_WARP_TGZF);
    131 	WARP_UCODE_INSTALL(warp_g200_tgza, MGA_WARP_TGZA);
    132 	WARP_UCODE_INSTALL(warp_g200_tgzaf, MGA_WARP_TGZAF);
    133 	WARP_UCODE_INSTALL(warp_g200_tgzs, MGA_WARP_TGZS);
    134 	WARP_UCODE_INSTALL(warp_g200_tgzsf, MGA_WARP_TGZSF);
    135 	WARP_UCODE_INSTALL(warp_g200_tgzsa, MGA_WARP_TGZSA);
    136 	WARP_UCODE_INSTALL(warp_g200_tgzsaf, MGA_WARP_TGZSAF);
    137 
    138 	return 0;
    139 }
    140 
    141 int mga_warp_install_microcode(drm_mga_private_t * dev_priv)
    142 {
    143 	const unsigned int size = mga_warp_microcode_size(dev_priv);
    144 
    145 	DRM_DEBUG("MGA ucode size = %d bytes\n", size);
    146 	if (size > dev_priv->warp->size) {
    147 		DRM_ERROR("microcode too large! (%u > %lu)\n",
    148 			  size, dev_priv->warp->size);
    149 		return -ENOMEM;
    150 	}
    151 
    152 	switch (dev_priv->chipset) {
    153 	case MGA_CARD_TYPE_G400:
    154 	case MGA_CARD_TYPE_G550:
    155 		return mga_warp_install_g400_microcode(dev_priv);
    156 	case MGA_CARD_TYPE_G200:
    157 		return mga_warp_install_g200_microcode(dev_priv);
    158 	default:
    159 		return -EINVAL;
    160 	}
    161 }
    162 
    163 #define WMISC_EXPECTED		(MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)
    164 
    165 int mga_warp_init(drm_mga_private_t * dev_priv)
    166 {
    167 	u32 wmisc;
    168 
    169 	/* FIXME: Get rid of these damned magic numbers...
    170 	 */
    171 	switch (dev_priv->chipset) {
    172 	case MGA_CARD_TYPE_G400:
    173 	case MGA_CARD_TYPE_G550:
    174 		MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND);
    175 		MGA_WRITE(MGA_WGETMSB, 0x00000E00);
    176 		MGA_WRITE(MGA_WVRTXSZ, 0x00001807);
    177 		MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000);
    178 		break;
    179 	case MGA_CARD_TYPE_G200:
    180 		MGA_WRITE(MGA_WIADDR, MGA_WMODE_SUSPEND);
    181 		MGA_WRITE(MGA_WGETMSB, 0x1606);
    182 		MGA_WRITE(MGA_WVRTXSZ, 7);
    183 		break;
    184 	default:
    185 		return -EINVAL;
    186 	}
    187 
    188 	MGA_WRITE(MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
    189 			      MGA_WMASTER_ENABLE | MGA_WCACHEFLUSH_ENABLE));
    190 	wmisc = MGA_READ(MGA_WMISC);
    191 	if (wmisc != WMISC_EXPECTED) {
    192 		DRM_ERROR("WARP engine config failed! 0x%x != 0x%x\n",
    193 			  wmisc, WMISC_EXPECTED);
    194 		return -EINVAL;
    195 	}
    196 
    197 	return 0;
    198 }
    199