Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* mga_warp.c -- Matrox G200/G400 WARP engine management -*- linux-c -*- |
| 2 | * Created: Thu Jan 11 21:29:32 2001 by gareth@valinux.com |
| 3 | * |
| 4 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. |
| 5 | * All Rights Reserved. |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 8 | * copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation |
| 10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 11 | * and/or sell copies of the Software, and to permit persons to whom the |
| 12 | * Software is furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the next |
| 15 | * paragraph) shall be included in all copies or substantial portions of the |
| 16 | * Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 21 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 22 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 23 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 24 | * OTHER DEALINGS IN THE SOFTWARE. |
| 25 | * |
| 26 | * Authors: |
| 27 | * Gareth Hughes <gareth@valinux.com> |
| 28 | */ |
| 29 | |
Ben Hutchings | ece2be7 | 2009-08-23 18:34:25 +0100 | [diff] [blame] | 30 | #include <linux/firmware.h> |
| 31 | #include <linux/ihex.h> |
| 32 | #include <linux/platform_device.h> |
| 33 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #include "drmP.h" |
| 35 | #include "drm.h" |
| 36 | #include "mga_drm.h" |
| 37 | #include "mga_drv.h" |
Ben Hutchings | ece2be7 | 2009-08-23 18:34:25 +0100 | [diff] [blame] | 38 | |
| 39 | #define FIRMWARE_G200 "matrox/g200_warp.fw" |
| 40 | #define FIRMWARE_G400 "matrox/g400_warp.fw" |
| 41 | |
| 42 | MODULE_FIRMWARE(FIRMWARE_G200); |
| 43 | MODULE_FIRMWARE(FIRMWARE_G400); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 45 | #define MGA_WARP_CODE_ALIGN 256 /* in bytes */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | |
Ben Hutchings | ece2be7 | 2009-08-23 18:34:25 +0100 | [diff] [blame] | 47 | #define WARP_UCODE_SIZE(size) ALIGN(size, MGA_WARP_CODE_ALIGN) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 49 | int mga_warp_install_microcode(drm_mga_private_t * dev_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | { |
Ben Hutchings | ece2be7 | 2009-08-23 18:34:25 +0100 | [diff] [blame] | 51 | unsigned char *vcbase = dev_priv->warp->handle; |
| 52 | unsigned long pcbase = dev_priv->warp->offset; |
| 53 | const char *firmware_name; |
| 54 | struct platform_device *pdev; |
| 55 | const struct firmware *fw = NULL; |
| 56 | const struct ihex_binrec *rec; |
| 57 | unsigned int size; |
| 58 | int n_pipes, where; |
| 59 | int rc = 0; |
Dave Airlie | 6795c98 | 2005-07-10 18:20:09 +1000 | [diff] [blame] | 60 | |
Ben Hutchings | ece2be7 | 2009-08-23 18:34:25 +0100 | [diff] [blame] | 61 | switch (dev_priv->chipset) { |
| 62 | case MGA_CARD_TYPE_G400: |
| 63 | case MGA_CARD_TYPE_G550: |
| 64 | firmware_name = FIRMWARE_G400; |
| 65 | n_pipes = MGA_MAX_G400_PIPES; |
| 66 | break; |
| 67 | case MGA_CARD_TYPE_G200: |
| 68 | firmware_name = FIRMWARE_G200; |
| 69 | n_pipes = MGA_MAX_G200_PIPES; |
| 70 | break; |
| 71 | default: |
| 72 | return -EINVAL; |
| 73 | } |
| 74 | |
| 75 | pdev = platform_device_register_simple("mga_warp", 0, NULL, 0); |
| 76 | if (IS_ERR(pdev)) { |
| 77 | DRM_ERROR("mga: Failed to register microcode\n"); |
| 78 | return PTR_ERR(pdev); |
| 79 | } |
| 80 | rc = request_ihex_firmware(&fw, firmware_name, &pdev->dev); |
| 81 | platform_device_unregister(pdev); |
| 82 | if (rc) { |
| 83 | DRM_ERROR("mga: Failed to load microcode \"%s\"\n", |
| 84 | firmware_name); |
| 85 | return rc; |
| 86 | } |
| 87 | |
| 88 | size = 0; |
| 89 | where = 0; |
| 90 | for (rec = (const struct ihex_binrec *)fw->data; |
| 91 | rec; |
| 92 | rec = ihex_next_binrec(rec)) { |
| 93 | size += WARP_UCODE_SIZE(be16_to_cpu(rec->len)); |
| 94 | where++; |
| 95 | } |
| 96 | |
| 97 | if (where != n_pipes) { |
| 98 | DRM_ERROR("mga: Invalid microcode \"%s\"\n", firmware_name); |
| 99 | rc = -EINVAL; |
| 100 | goto out; |
| 101 | } |
| 102 | size = PAGE_ALIGN(size); |
Dave Airlie | 6795c98 | 2005-07-10 18:20:09 +1000 | [diff] [blame] | 103 | DRM_DEBUG("MGA ucode size = %d bytes\n", size); |
| 104 | if (size > dev_priv->warp->size) { |
| 105 | DRM_ERROR("microcode too large! (%u > %lu)\n", |
| 106 | size, dev_priv->warp->size); |
Ben Hutchings | ece2be7 | 2009-08-23 18:34:25 +0100 | [diff] [blame] | 107 | rc = -ENOMEM; |
| 108 | goto out; |
Dave Airlie | 6795c98 | 2005-07-10 18:20:09 +1000 | [diff] [blame] | 109 | } |
| 110 | |
Ben Hutchings | ece2be7 | 2009-08-23 18:34:25 +0100 | [diff] [blame] | 111 | memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys)); |
| 112 | |
| 113 | where = 0; |
| 114 | for (rec = (const struct ihex_binrec *)fw->data; |
| 115 | rec; |
| 116 | rec = ihex_next_binrec(rec)) { |
| 117 | unsigned int src_size, dst_size; |
| 118 | |
| 119 | DRM_DEBUG(" pcbase = 0x%08lx vcbase = %p\n", pcbase, vcbase); |
| 120 | dev_priv->warp_pipe_phys[where] = pcbase; |
| 121 | src_size = be16_to_cpu(rec->len); |
| 122 | dst_size = WARP_UCODE_SIZE(src_size); |
| 123 | memcpy(vcbase, rec->data, src_size); |
| 124 | pcbase += dst_size; |
| 125 | vcbase += dst_size; |
| 126 | where++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | } |
Ben Hutchings | ece2be7 | 2009-08-23 18:34:25 +0100 | [diff] [blame] | 128 | |
| 129 | out: |
| 130 | release_firmware(fw); |
| 131 | return rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | } |
| 133 | |
| 134 | #define WMISC_EXPECTED (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE) |
| 135 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 136 | int mga_warp_init(drm_mga_private_t * dev_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | { |
| 138 | u32 wmisc; |
| 139 | |
| 140 | /* FIXME: Get rid of these damned magic numbers... |
| 141 | */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 142 | switch (dev_priv->chipset) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | case MGA_CARD_TYPE_G400: |
Dave Airlie | 6795c98 | 2005-07-10 18:20:09 +1000 | [diff] [blame] | 144 | case MGA_CARD_TYPE_G550: |
| 145 | MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND); |
| 146 | MGA_WRITE(MGA_WGETMSB, 0x00000E00); |
| 147 | MGA_WRITE(MGA_WVRTXSZ, 0x00001807); |
| 148 | MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | break; |
| 150 | case MGA_CARD_TYPE_G200: |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 151 | MGA_WRITE(MGA_WIADDR, MGA_WMODE_SUSPEND); |
| 152 | MGA_WRITE(MGA_WGETMSB, 0x1606); |
| 153 | MGA_WRITE(MGA_WVRTXSZ, 7); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | break; |
| 155 | default: |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 156 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | } |
| 158 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 159 | MGA_WRITE(MGA_WMISC, (MGA_WUCODECACHE_ENABLE | |
| 160 | MGA_WMASTER_ENABLE | MGA_WCACHEFLUSH_ENABLE)); |
| 161 | wmisc = MGA_READ(MGA_WMISC); |
| 162 | if (wmisc != WMISC_EXPECTED) { |
| 163 | DRM_ERROR("WARP engine config failed! 0x%x != 0x%x\n", |
| 164 | wmisc, WMISC_EXPECTED); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 165 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | return 0; |
| 169 | } |