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author | Len Brown <len.brown@intel.com> | 2008-10-23 05:57:26 +0200 |
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committer | Len Brown <len.brown@intel.com> | 2008-10-23 06:11:07 +0200 |
commit | 057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch) | |
tree | 4333e608da237c73ff69b10878025cca96dcb4c8 /drivers/video/via/accel.c | |
parent | panasonic-laptop: fix build (diff) | |
parent | binfmt_elf_fdpic: Update for cputime changes. (diff) | |
download | linux-057316cc6a5b521b332a1d7ccc871cd60c904c74.tar.xz linux-057316cc6a5b521b332a1d7ccc871cd60c904c74.zip |
Merge branch 'linus' into test
Conflicts:
MAINTAINERS
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/acpi/sleep.c
drivers/acpi/Kconfig
drivers/pnp/Makefile
drivers/pnp/quirks.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/video/via/accel.c')
-rw-r--r-- | drivers/video/via/accel.c | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/drivers/video/via/accel.c b/drivers/video/via/accel.c new file mode 100644 index 000000000000..632523ff1fb7 --- /dev/null +++ b/drivers/video/via/accel.c @@ -0,0 +1,279 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#include "global.h" + +void viafb_init_accel(void) +{ + viaparinfo->fbmem_free -= CURSOR_SIZE; + viaparinfo->cursor_start = viaparinfo->fbmem_free; + viaparinfo->fbmem_used += CURSOR_SIZE; + + /* Reverse 8*1024 memory space for cursor image */ + viaparinfo->fbmem_free -= (CURSOR_SIZE + VQ_SIZE); + viaparinfo->VQ_start = viaparinfo->fbmem_free; + viaparinfo->VQ_end = viaparinfo->VQ_start + VQ_SIZE - 1; + viaparinfo->fbmem_used += (CURSOR_SIZE + VQ_SIZE); } + +void viafb_init_2d_engine(void) +{ + u32 dwVQStartAddr, dwVQEndAddr; + u32 dwVQLen, dwVQStartL, dwVQEndL, dwVQStartEndH; + + /* init 2D engine regs to reset 2D engine */ + writel(0x0, viaparinfo->io_virt + VIA_REG_GEMODE); + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS); + writel(0x0, viaparinfo->io_virt + VIA_REG_DSTPOS); + writel(0x0, viaparinfo->io_virt + VIA_REG_DIMENSION); + writel(0x0, viaparinfo->io_virt + VIA_REG_PATADDR); + writel(0x0, viaparinfo->io_virt + VIA_REG_FGCOLOR); + writel(0x0, viaparinfo->io_virt + VIA_REG_BGCOLOR); + writel(0x0, viaparinfo->io_virt + VIA_REG_CLIPTL); + writel(0x0, viaparinfo->io_virt + VIA_REG_CLIPBR); + writel(0x0, viaparinfo->io_virt + VIA_REG_OFFSET); + writel(0x0, viaparinfo->io_virt + VIA_REG_KEYCONTROL); + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE); + writel(0x0, viaparinfo->io_virt + VIA_REG_DSTBASE); + writel(0x0, viaparinfo->io_virt + VIA_REG_PITCH); + writel(0x0, viaparinfo->io_virt + VIA_REG_MONOPAT1); + + /* Init AGP and VQ regs */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + case UNICHROME_P4M900: + writel(0x00100000, viaparinfo->io_virt + VIA_REG_CR_TRANSET); + writel(0x680A0000, viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(0x02000000, viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + break; + + default: + writel(0x00100000, viaparinfo->io_virt + VIA_REG_TRANSET); + writel(0x00000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x00333004, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x60000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x61000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x62000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x63000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x64000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x7D000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + + writel(0xFE020000, viaparinfo->io_virt + VIA_REG_TRANSET); + writel(0x00000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + break; + } + if (viaparinfo->VQ_start != 0) { + /* Enable VQ */ + dwVQStartAddr = viaparinfo->VQ_start; + dwVQEndAddr = viaparinfo->VQ_end; + + dwVQStartL = 0x50000000 | (dwVQStartAddr & 0xFFFFFF); + dwVQEndL = 0x51000000 | (dwVQEndAddr & 0xFFFFFF); + dwVQStartEndH = 0x52000000 | + ((dwVQStartAddr & 0xFF000000) >> 24) | + ((dwVQEndAddr & 0xFF000000) >> 16); + dwVQLen = 0x53000000 | (VQ_SIZE >> 3); + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + case UNICHROME_P4M900: + dwVQStartL |= 0x20000000; + dwVQEndL |= 0x20000000; + dwVQStartEndH |= 0x20000000; + dwVQLen |= 0x20000000; + break; + default: + break; + } + + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + case UNICHROME_P4M900: + writel(0x00100000, + viaparinfo->io_virt + VIA_REG_CR_TRANSET); + writel(dwVQStartEndH, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(dwVQStartL, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(dwVQEndL, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(dwVQLen, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(0x74301001, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(0x00000000, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + break; + default: + writel(0x00FE0000, + viaparinfo->io_virt + VIA_REG_TRANSET); + writel(0x080003FE, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0A00027C, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0B000260, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0C000274, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0D000264, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0E000000, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0F000020, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x1000027E, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x110002FE, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x200F0060, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + + writel(0x00000006, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x40008C0F, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x44000000, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x45080C04, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x46800408, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + + writel(dwVQStartEndH, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(dwVQStartL, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(dwVQEndL, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(dwVQLen, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + break; + } + } else { + /* Disable VQ */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + case UNICHROME_P4M900: + writel(0x00100000, + viaparinfo->io_virt + VIA_REG_CR_TRANSET); + writel(0x74301000, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + break; + default: + writel(0x00FE0000, + viaparinfo->io_virt + VIA_REG_TRANSET); + writel(0x00000004, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x40008C0F, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x44000000, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x45080C04, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x46800408, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + break; + } + } + + viafb_set_2d_color_depth(viaparinfo->bpp); + + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE); + writel(0x0, viaparinfo->io_virt + VIA_REG_DSTBASE); + + writel(VIA_PITCH_ENABLE | + (((viaparinfo->hres * + viaparinfo->bpp >> 3) >> 3) | (((viaparinfo->hres * + viaparinfo-> + bpp >> 3) >> 3) << 16)), + viaparinfo->io_virt + VIA_REG_PITCH); +} + +void viafb_set_2d_color_depth(int bpp) +{ + u32 dwGEMode; + + dwGEMode = readl(viaparinfo->io_virt + 0x04) & 0xFFFFFCFF; + + switch (bpp) { + case 16: + dwGEMode |= VIA_GEM_16bpp; + break; + case 32: + dwGEMode |= VIA_GEM_32bpp; + break; + default: + dwGEMode |= VIA_GEM_8bpp; + break; + } + + /* Set BPP and Pitch */ + writel(dwGEMode, viaparinfo->io_virt + VIA_REG_GEMODE); +} + +void viafb_hw_cursor_init(void) +{ + /* Set Cursor Image Base Address */ + writel(viaparinfo->cursor_start, + viaparinfo->io_virt + VIA_REG_CURSOR_MODE); + writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_POS); + writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_ORG); + writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_BG); + writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_FG); +} + +void viafb_show_hw_cursor(struct fb_info *info, int Status) +{ + u32 temp; + u32 iga_path = ((struct viafb_par *)(info->par))->iga_path; + + temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE); + switch (Status) { + case HW_Cursor_ON: + temp |= 0x1; + break; + case HW_Cursor_OFF: + temp &= 0xFFFFFFFE; + break; + } + switch (iga_path) { + case IGA2: + temp |= 0x80000000; + break; + case IGA1: + default: + temp &= 0x7FFFFFFF; + } + writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE); +} + +int viafb_wait_engine_idle(void) +{ + int loop = 0; + + while (!(readl(viaparinfo->io_virt + VIA_REG_STATUS) & + VIA_VR_QUEUE_BUSY) && (loop++ < MAXLOOP)) + cpu_relax(); + + while ((readl(viaparinfo->io_virt + VIA_REG_STATUS) & + (VIA_CMD_RGTR_BUSY | VIA_2D_ENG_BUSY | VIA_3D_ENG_BUSY)) && + (loop++ < MAXLOOP)) + cpu_relax(); + + return loop >= MAXLOOP; +} |