diff options
Diffstat (limited to 'linux-core/xgi_regs.h')
| -rw-r--r-- | linux-core/xgi_regs.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/linux-core/xgi_regs.h b/linux-core/xgi_regs.h new file mode 100644 index 00000000..34268a56 --- /dev/null +++ b/linux-core/xgi_regs.h @@ -0,0 +1,216 @@ +/**************************************************************************** + * Copyright (C) 2003-2006 by XGI Technology, Taiwan. + * + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation on the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * XGI AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + ***************************************************************************/ + +#ifndef _XGI_REGS_H_ +#define _XGI_REGS_H_ + +#include "drmP.h" +#include "drm.h" + + +/* Hardware access functions */ +static inline void OUT3C5B(struct drm_map * map, u8 index, u8 data) +{ + DRM_WRITE8(map, 0x3C4, index); + DRM_WRITE8(map, 0x3C5, data); +} + +static inline void OUT3X5B(struct drm_map * map, u8 index, u8 data) +{ + DRM_WRITE8(map, 0x3D4, index); + DRM_WRITE8(map, 0x3D5, data); +} + +static inline void OUT3CFB(struct drm_map * map, u8 index, u8 data) +{ + DRM_WRITE8(map, 0x3CE, index); + DRM_WRITE8(map, 0x3CF, data); +} + +static inline u8 IN3C5B(struct drm_map * map, u8 index) +{ + DRM_WRITE8(map, 0x3C4, index); + return DRM_READ8(map, 0x3C5); +} + +static inline u8 IN3X5B(struct drm_map * map, u8 index) +{ + DRM_WRITE8(map, 0x3D4, index); + return DRM_READ8(map, 0x3D5); +} + +static inline u8 IN3CFB(struct drm_map * map, u8 index) +{ + DRM_WRITE8(map, 0x3CE, index); + return DRM_READ8(map, 0x3CF); +} + + +/* + * Graphic engine register (2d/3d) acessing interface + */ +static inline void dwWriteReg(struct drm_map * map, u32 addr, u32 data) +{ +#ifdef XGI_MMIO_DEBUG + DRM_INFO("mmio_map->handle = 0x%p, addr = 0x%x, data = 0x%x\n", + map->handle, addr, data); +#endif + DRM_WRITE32(map, addr, data); +} + + +static inline void xgi_enable_mmio(struct xgi_info * info) +{ + u8 protect = 0; + u8 temp; + + /* Unprotect registers */ + DRM_WRITE8(info->mmio_map, 0x3C4, 0x11); + protect = DRM_READ8(info->mmio_map, 0x3C5); + DRM_WRITE8(info->mmio_map, 0x3C5, 0x92); + + DRM_WRITE8(info->mmio_map, 0x3D4, 0x3A); + temp = DRM_READ8(info->mmio_map, 0x3D5); + DRM_WRITE8(info->mmio_map, 0x3D5, temp | 0x20); + + /* Enable MMIO */ + DRM_WRITE8(info->mmio_map, 0x3D4, 0x39); + temp = DRM_READ8(info->mmio_map, 0x3D5); + DRM_WRITE8(info->mmio_map, 0x3D5, temp | 0x01); + + /* Protect registers */ + OUT3C5B(info->mmio_map, 0x11, protect); +} + +static inline void xgi_disable_mmio(struct xgi_info * info) +{ + u8 protect = 0; + u8 temp; + + /* Unprotect registers */ + DRM_WRITE8(info->mmio_map, 0x3C4, 0x11); + protect = DRM_READ8(info->mmio_map, 0x3C5); + DRM_WRITE8(info->mmio_map, 0x3C5, 0x92); + + /* Disable MMIO access */ + DRM_WRITE8(info->mmio_map, 0x3D4, 0x39); + temp = DRM_READ8(info->mmio_map, 0x3D5); + DRM_WRITE8(info->mmio_map, 0x3D5, temp & 0xFE); + + /* Protect registers */ + OUT3C5B(info->mmio_map, 0x11, protect); +} + +static inline void xgi_enable_ge(struct xgi_info * info) +{ + unsigned char bOld3cf2a = 0; + int wait = 0; + + // Enable GE + DRM_WRITE16(info->mmio_map, 0x3C4, 0x9211); + + // Save and close dynamic gating + bOld3cf2a = IN3CFB(info->mmio_map, 0x2a); + OUT3CFB(info->mmio_map, 0x2a, bOld3cf2a & 0xfe); + + // Reset both 3D and 2D engine + OUT3X5B(info->mmio_map, 0x36, 0x84); + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + OUT3X5B(info->mmio_map, 0x36, 0x94); + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + OUT3X5B(info->mmio_map, 0x36, 0x84); + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + // Enable 2D engine only + OUT3X5B(info->mmio_map, 0x36, 0x80); + + // Enable 2D+3D engine + OUT3X5B(info->mmio_map, 0x36, 0x84); + + // Restore dynamic gating + OUT3CFB(info->mmio_map, 0x2a, bOld3cf2a); +} + +static inline void xgi_disable_ge(struct xgi_info * info) +{ + int wait = 0; + + // Reset both 3D and 2D engine + OUT3X5B(info->mmio_map, 0x36, 0x84); + + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + OUT3X5B(info->mmio_map, 0x36, 0x94); + + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + OUT3X5B(info->mmio_map, 0x36, 0x84); + + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + + // Disable 2D engine only + OUT3X5B(info->mmio_map, 0x36, 0); +} + +static inline void xgi_enable_dvi_interrupt(struct xgi_info * info) +{ + OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) & ~0x01); //Set 3cf.39 bit 0 to 0 + OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) | 0x01); //Set 3cf.39 bit 0 to 1 + OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) | 0x02); +} +static inline void xgi_disable_dvi_interrupt(struct xgi_info * info) +{ + OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) & ~0x02); +} + +static inline void xgi_enable_crt1_interrupt(struct xgi_info * info) +{ + OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) | 0x04); + OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) & ~0x04); + OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) | 0x08); +} + +static inline void xgi_disable_crt1_interrupt(struct xgi_info * info) +{ + OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) & ~0x08); +} + +#endif |