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path: root/drivers/gpu/drm/mga/mga_warp.c
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Diffstat (limited to 'drivers/gpu/drm/mga/mga_warp.c')
-rw-r--r--drivers/gpu/drm/mga/mga_warp.c180
1 files changed, 78 insertions, 102 deletions
diff --git a/drivers/gpu/drm/mga/mga_warp.c b/drivers/gpu/drm/mga/mga_warp.c
index 651b93c8ab5..9aad4847afd 100644
--- a/drivers/gpu/drm/mga/mga_warp.c
+++ b/drivers/gpu/drm/mga/mga_warp.c
@@ -27,132 +27,108 @@
* 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"
-#include "mga_ucode.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( 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)
+#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:
- return PAGE_ALIGN(mga_warp_g400_microcode_size);
+ firmware_name = FIRMWARE_G400;
+ n_pipes = MGA_MAX_G400_PIPES;
+ break;
case MGA_CARD_TYPE_G200:
- return PAGE_ALIGN(mga_warp_g200_microcode_size);
+ firmware_name = FIRMWARE_G200;
+ n_pipes = MGA_MAX_G200_PIPES;
+ break;
default:
- return 0;
+ return -EINVAL;
}
-}
-
-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;
-}
+ 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;
+ }
-int mga_warp_install_microcode(drm_mga_private_t * dev_priv)
-{
- const unsigned int size = mga_warp_microcode_size(dev_priv);
+ 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);
- return -ENOMEM;
+ rc = -ENOMEM;
+ goto out;
}
- 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 -EINVAL;
+ 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)