diff options
Diffstat (limited to 'drivers/gpu/drm/mga/mga_warp.c')
| -rw-r--r-- | drivers/gpu/drm/mga/mga_warp.c | 180 |
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 651b93c8ab5d..9aad4847afdf 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) |