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drm/r128: Use request_firmware() to load CCE microcode

Firmware blob looks like this:
    __be32 datah
    __be32 datal

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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commit 52f97df5da1f94d2b7db1bb53a2f053ae162b649 1 parent ece2be7
Ben Hutchings authored Dave Airlie committed
1  drivers/gpu/drm/Kconfig
@@ -36,6 +36,7 @@ config DRM_TDFX
36 36 config DRM_R128
37 37 tristate "ATI Rage 128"
38 38 depends on DRM && PCI
  39 + select FW_LOADER
39 40 help
40 41 Choose this option if you have an ATI Rage 128 graphics card. If M
41 42 is selected, the module will be called r128. AGP support for
98 drivers/gpu/drm/r128/r128_cce.c
@@ -29,6 +29,9 @@
29 29 * Gareth Hughes <gareth@valinux.com>
30 30 */
31 31
  32 +#include <linux/firmware.h>
  33 +#include <linux/platform_device.h>
  34 +
32 35 #include "drmP.h"
33 36 #include "drm.h"
34 37 #include "r128_drm.h"
@@ -36,50 +39,9 @@
36 39
37 40 #define R128_FIFO_DEBUG 0
38 41
39   -/* CCE microcode (from ATI) */
40   -static u32 r128_cce_microcode[] = {
41   - 0, 276838400, 0, 268449792, 2, 142, 2, 145, 0, 1076765731, 0,
42   - 1617039951, 0, 774592877, 0, 1987540286, 0, 2307490946U, 0,
43   - 599558925, 0, 589505315, 0, 596487092, 0, 589505315, 1,
44   - 11544576, 1, 206848, 1, 311296, 1, 198656, 2, 912273422, 11,
45   - 262144, 0, 0, 1, 33559837, 1, 7438, 1, 14809, 1, 6615, 12, 28,
46   - 1, 6614, 12, 28, 2, 23, 11, 18874368, 0, 16790922, 1, 409600, 9,
47   - 30, 1, 147854772, 16, 420483072, 3, 8192, 0, 10240, 1, 198656,
48   - 1, 15630, 1, 51200, 10, 34858, 9, 42, 1, 33559823, 2, 10276, 1,
49   - 15717, 1, 15718, 2, 43, 1, 15936948, 1, 570480831, 1, 14715071,
50   - 12, 322123831, 1, 33953125, 12, 55, 1, 33559908, 1, 15718, 2,
51   - 46, 4, 2099258, 1, 526336, 1, 442623, 4, 4194365, 1, 509952, 1,
52   - 459007, 3, 0, 12, 92, 2, 46, 12, 176, 1, 15734, 1, 206848, 1,
53   - 18432, 1, 133120, 1, 100670734, 1, 149504, 1, 165888, 1,
54   - 15975928, 1, 1048576, 6, 3145806, 1, 15715, 16, 2150645232U, 2,
55   - 268449859, 2, 10307, 12, 176, 1, 15734, 1, 15735, 1, 15630, 1,
56   - 15631, 1, 5253120, 6, 3145810, 16, 2150645232U, 1, 15864, 2, 82,
57   - 1, 343310, 1, 1064207, 2, 3145813, 1, 15728, 1, 7817, 1, 15729,
58   - 3, 15730, 12, 92, 2, 98, 1, 16168, 1, 16167, 1, 16002, 1, 16008,
59   - 1, 15974, 1, 15975, 1, 15990, 1, 15976, 1, 15977, 1, 15980, 0,
60   - 15981, 1, 10240, 1, 5253120, 1, 15720, 1, 198656, 6, 110, 1,
61   - 180224, 1, 103824738, 2, 112, 2, 3145839, 0, 536885440, 1,
62   - 114880, 14, 125, 12, 206975, 1, 33559995, 12, 198784, 0,
63   - 33570236, 1, 15803, 0, 15804, 3, 294912, 1, 294912, 3, 442370,
64   - 1, 11544576, 0, 811612160, 1, 12593152, 1, 11536384, 1,
65   - 14024704, 7, 310382726, 0, 10240, 1, 14796, 1, 14797, 1, 14793,
66   - 1, 14794, 0, 14795, 1, 268679168, 1, 9437184, 1, 268449792, 1,
67   - 198656, 1, 9452827, 1, 1075854602, 1, 1075854603, 1, 557056, 1,
68   - 114880, 14, 159, 12, 198784, 1, 1109409213, 12, 198783, 1,
69   - 1107312059, 12, 198784, 1, 1109409212, 2, 162, 1, 1075854781, 1,
70   - 1073757627, 1, 1075854780, 1, 540672, 1, 10485760, 6, 3145894,
71   - 16, 274741248, 9, 168, 3, 4194304, 3, 4209949, 0, 0, 0, 256, 14,
72   - 174, 1, 114857, 1, 33560007, 12, 176, 0, 10240, 1, 114858, 1,
73   - 33560018, 1, 114857, 3, 33560007, 1, 16008, 1, 114874, 1,
74   - 33560360, 1, 114875, 1, 33560154, 0, 15963, 0, 256, 0, 4096, 1,
75   - 409611, 9, 188, 0, 10240, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
76   - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
77   - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
78   - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
79   - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
80   - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
81   - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
82   -};
  42 +#define FIRMWARE_NAME "r128/r128_cce.bin"
  43 +
  44 +MODULE_FIRMWARE(FIRMWARE_NAME);
83 45
84 46 static int R128_READ_PLL(struct drm_device * dev, int addr)
85 47 {
@@ -176,20 +138,50 @@ static int r128_do_wait_for_idle(drm_r128_private_t * dev_priv)
176 138 */
177 139
178 140 /* Load the microcode for the CCE */
179   -static void r128_cce_load_microcode(drm_r128_private_t * dev_priv)
  141 +static int r128_cce_load_microcode(drm_r128_private_t *dev_priv)
180 142 {
181   - int i;
  143 + struct platform_device *pdev;
  144 + const struct firmware *fw;
  145 + const __be32 *fw_data;
  146 + int rc, i;
182 147
183 148 DRM_DEBUG("\n");
184 149
  150 + pdev = platform_device_register_simple("r128_cce", 0, NULL, 0);
  151 + if (IS_ERR(pdev)) {
  152 + printk(KERN_ERR "r128_cce: Failed to register firmware\n");
  153 + return PTR_ERR(pdev);
  154 + }
  155 + rc = request_firmware(&fw, FIRMWARE_NAME, &pdev->dev);
  156 + platform_device_unregister(pdev);
  157 + if (rc) {
  158 + printk(KERN_ERR "r128_cce: Failed to load firmware \"%s\"\n",
  159 + FIRMWARE_NAME);
  160 + return rc;
  161 + }
  162 +
  163 + if (fw->size != 256 * 8) {
  164 + printk(KERN_ERR
  165 + "r128_cce: Bogus length %zu in firmware \"%s\"\n",
  166 + fw->size, FIRMWARE_NAME);
  167 + rc = -EINVAL;
  168 + goto out_release;
  169 + }
  170 +
185 171 r128_do_wait_for_idle(dev_priv);
186 172
  173 + fw_data = (const __be32 *)fw->data;
187 174 R128_WRITE(R128_PM4_MICROCODE_ADDR, 0);
188 175 for (i = 0; i < 256; i++) {
189   - R128_WRITE(R128_PM4_MICROCODE_DATAH, r128_cce_microcode[i * 2]);
  176 + R128_WRITE(R128_PM4_MICROCODE_DATAH,
  177 + be32_to_cpup(&fw_data[i * 2]));
190 178 R128_WRITE(R128_PM4_MICROCODE_DATAL,
191   - r128_cce_microcode[i * 2 + 1]);
  179 + be32_to_cpup(&fw_data[i * 2 + 1]));
192 180 }
  181 +
  182 +out_release:
  183 + release_firmware(fw);
  184 + return rc;
193 185 }
194 186
195 187 /* Flush any pending commands to the CCE. This should only be used just
@@ -350,6 +342,7 @@ static void r128_cce_init_ring_buffer(struct drm_device * dev,
350 342 static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init)
351 343 {
352 344 drm_r128_private_t *dev_priv;
  345 + int rc;
353 346
354 347 DRM_DEBUG("\n");
355 348
@@ -575,13 +568,18 @@ static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init)
575 568 #endif
576 569
577 570 r128_cce_init_ring_buffer(dev, dev_priv);
578   - r128_cce_load_microcode(dev_priv);
  571 + rc = r128_cce_load_microcode(dev_priv);
579 572
580 573 dev->dev_private = (void *)dev_priv;
581 574
582 575 r128_do_engine_reset(dev);
583 576
584   - return 0;
  577 + if (rc) {
  578 + DRM_ERROR("Failed to load firmware!\n");
  579 + r128_do_cleanup_cce(dev);
  580 + }
  581 +
  582 + return rc;
585 583 }
586 584
587 585 int r128_do_cleanup_cce(struct drm_device * dev)
1  firmware/Makefile
@@ -43,6 +43,7 @@ fw-shipped-$(CONFIG_CHELSIO_T3) += cxgb3/t3b_psram-1.1.0.bin \
43 43 cxgb3/t3c_psram-1.1.0.bin \
44 44 cxgb3/t3fw-7.4.0.bin
45 45 fw-shipped-$(CONFIG_DRM_MGA) += matrox/g200_warp.fw matrox/g400_warp.fw
  46 +fw-shipped-$(CONFIG_DRM_R128) += r128/r128_cce.bin
46 47 fw-shipped-$(CONFIG_DVB_AV7110) += av7110/bootcode.bin
47 48 fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += ttusb-budget/dspbootcode.bin
48 49 fw-shipped-$(CONFIG_E100) += e100/d101m_ucode.bin e100/d101s_ucode.bin \
31 firmware/WHENCE
@@ -730,3 +730,34 @@ OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
730 730 Found in hex form in kernel source.
731 731
732 732 --------------------------------------------------------------------------
  733 +
  734 +Driver: r128 - ATI Rage 128
  735 +
  736 +File: r128/r128_cce.bin
  737 +
  738 +Licence:
  739 +
  740 +Copyright 2000 Advanced Micro Devices, Inc.
  741 +
  742 + * Permission is hereby granted, free of charge, to any person obtaining a
  743 + * copy of this software and associated documentation files (the "Software"),
  744 + * to deal in the Software without restriction, including without limitation
  745 + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  746 + * and/or sell copies of the Software, and to permit persons to whom the
  747 + * Software is furnished to do so, subject to the following conditions:
  748 + *
  749 + * The above copyright notice and this permission notice (including the next
  750 + * paragraph) shall be included in all copies or substantial portions of the
  751 + * Software.
  752 + *
  753 + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  754 + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  755 + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  756 + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  757 + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  758 + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  759 + * DEALINGS IN THE SOFTWARE.
  760 +
  761 +Found in decimal form in kernel source.
  762 +
  763 +--------------------------------------------------------------------------
129 firmware/r128/r128_cce.bin.ihex
... ... @@ -0,0 +1,129 @@
  1 +:1000000000000000108038000000000010003800E0
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