280 строки
8.4 KiB
C
280 строки
8.4 KiB
C
/*
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* Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
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* Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation;
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* either version 2, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR
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* A PARTICULAR PURPOSE.See the GNU General Public License
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* for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "global.h"
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void viafb_init_accel(void)
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{
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viaparinfo->fbmem_free -= CURSOR_SIZE;
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viaparinfo->cursor_start = viaparinfo->fbmem_free;
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viaparinfo->fbmem_used += CURSOR_SIZE;
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/* Reverse 8*1024 memory space for cursor image */
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viaparinfo->fbmem_free -= (CURSOR_SIZE + VQ_SIZE);
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viaparinfo->VQ_start = viaparinfo->fbmem_free;
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viaparinfo->VQ_end = viaparinfo->VQ_start + VQ_SIZE - 1;
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viaparinfo->fbmem_used += (CURSOR_SIZE + VQ_SIZE); }
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void viafb_init_2d_engine(void)
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{
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u32 dwVQStartAddr, dwVQEndAddr;
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u32 dwVQLen, dwVQStartL, dwVQEndL, dwVQStartEndH;
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/* init 2D engine regs to reset 2D engine */
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writel(0x0, viaparinfo->io_virt + VIA_REG_GEMODE);
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writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
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writel(0x0, viaparinfo->io_virt + VIA_REG_DSTPOS);
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writel(0x0, viaparinfo->io_virt + VIA_REG_DIMENSION);
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writel(0x0, viaparinfo->io_virt + VIA_REG_PATADDR);
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writel(0x0, viaparinfo->io_virt + VIA_REG_FGCOLOR);
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writel(0x0, viaparinfo->io_virt + VIA_REG_BGCOLOR);
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writel(0x0, viaparinfo->io_virt + VIA_REG_CLIPTL);
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writel(0x0, viaparinfo->io_virt + VIA_REG_CLIPBR);
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writel(0x0, viaparinfo->io_virt + VIA_REG_OFFSET);
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writel(0x0, viaparinfo->io_virt + VIA_REG_KEYCONTROL);
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writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
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writel(0x0, viaparinfo->io_virt + VIA_REG_DSTBASE);
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writel(0x0, viaparinfo->io_virt + VIA_REG_PITCH);
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writel(0x0, viaparinfo->io_virt + VIA_REG_MONOPAT1);
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/* Init AGP and VQ regs */
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switch (viaparinfo->chip_info->gfx_chip_name) {
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case UNICHROME_K8M890:
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case UNICHROME_P4M900:
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writel(0x00100000, viaparinfo->io_virt + VIA_REG_CR_TRANSET);
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writel(0x680A0000, viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
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writel(0x02000000, viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
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break;
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default:
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writel(0x00100000, viaparinfo->io_virt + VIA_REG_TRANSET);
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writel(0x00000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x00333004, viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x60000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x61000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x62000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x63000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x64000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x7D000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0xFE020000, viaparinfo->io_virt + VIA_REG_TRANSET);
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writel(0x00000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
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break;
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}
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if (viaparinfo->VQ_start != 0) {
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/* Enable VQ */
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dwVQStartAddr = viaparinfo->VQ_start;
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dwVQEndAddr = viaparinfo->VQ_end;
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dwVQStartL = 0x50000000 | (dwVQStartAddr & 0xFFFFFF);
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dwVQEndL = 0x51000000 | (dwVQEndAddr & 0xFFFFFF);
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dwVQStartEndH = 0x52000000 |
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((dwVQStartAddr & 0xFF000000) >> 24) |
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((dwVQEndAddr & 0xFF000000) >> 16);
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dwVQLen = 0x53000000 | (VQ_SIZE >> 3);
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switch (viaparinfo->chip_info->gfx_chip_name) {
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case UNICHROME_K8M890:
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case UNICHROME_P4M900:
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dwVQStartL |= 0x20000000;
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dwVQEndL |= 0x20000000;
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dwVQStartEndH |= 0x20000000;
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dwVQLen |= 0x20000000;
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break;
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default:
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break;
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}
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switch (viaparinfo->chip_info->gfx_chip_name) {
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case UNICHROME_K8M890:
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case UNICHROME_P4M900:
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writel(0x00100000,
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viaparinfo->io_virt + VIA_REG_CR_TRANSET);
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writel(dwVQStartEndH,
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viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
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writel(dwVQStartL,
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viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
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writel(dwVQEndL,
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viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
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writel(dwVQLen,
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viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
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writel(0x74301001,
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viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
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writel(0x00000000,
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viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
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break;
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default:
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writel(0x00FE0000,
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viaparinfo->io_virt + VIA_REG_TRANSET);
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writel(0x080003FE,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x0A00027C,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x0B000260,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x0C000274,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x0D000264,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x0E000000,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x0F000020,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x1000027E,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x110002FE,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x200F0060,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x00000006,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x40008C0F,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x44000000,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x45080C04,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x46800408,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(dwVQStartEndH,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(dwVQStartL,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(dwVQEndL,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(dwVQLen,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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break;
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}
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} else {
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/* Disable VQ */
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switch (viaparinfo->chip_info->gfx_chip_name) {
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case UNICHROME_K8M890:
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case UNICHROME_P4M900:
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writel(0x00100000,
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viaparinfo->io_virt + VIA_REG_CR_TRANSET);
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writel(0x74301000,
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viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
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break;
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default:
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writel(0x00FE0000,
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viaparinfo->io_virt + VIA_REG_TRANSET);
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writel(0x00000004,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x40008C0F,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x44000000,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x45080C04,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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writel(0x46800408,
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viaparinfo->io_virt + VIA_REG_TRANSPACE);
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break;
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}
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}
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viafb_set_2d_color_depth(viaparinfo->bpp);
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writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
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writel(0x0, viaparinfo->io_virt + VIA_REG_DSTBASE);
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writel(VIA_PITCH_ENABLE |
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(((viaparinfo->hres *
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viaparinfo->bpp >> 3) >> 3) | (((viaparinfo->hres *
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viaparinfo->
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bpp >> 3) >> 3) << 16)),
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viaparinfo->io_virt + VIA_REG_PITCH);
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}
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void viafb_set_2d_color_depth(int bpp)
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{
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u32 dwGEMode;
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dwGEMode = readl(viaparinfo->io_virt + 0x04) & 0xFFFFFCFF;
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switch (bpp) {
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case 16:
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dwGEMode |= VIA_GEM_16bpp;
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break;
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case 32:
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dwGEMode |= VIA_GEM_32bpp;
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break;
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default:
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dwGEMode |= VIA_GEM_8bpp;
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break;
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}
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/* Set BPP and Pitch */
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writel(dwGEMode, viaparinfo->io_virt + VIA_REG_GEMODE);
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}
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void viafb_hw_cursor_init(void)
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{
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/* Set Cursor Image Base Address */
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writel(viaparinfo->cursor_start,
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viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
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writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_POS);
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writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_ORG);
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writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_BG);
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writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_FG);
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}
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void viafb_show_hw_cursor(struct fb_info *info, int Status)
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{
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u32 temp;
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u32 iga_path = ((struct viafb_par *)(info->par))->iga_path;
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temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
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switch (Status) {
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case HW_Cursor_ON:
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temp |= 0x1;
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break;
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case HW_Cursor_OFF:
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temp &= 0xFFFFFFFE;
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break;
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}
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switch (iga_path) {
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case IGA2:
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temp |= 0x80000000;
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break;
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case IGA1:
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default:
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temp &= 0x7FFFFFFF;
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}
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writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
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}
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int viafb_wait_engine_idle(void)
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{
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int loop = 0;
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while (!(readl(viaparinfo->io_virt + VIA_REG_STATUS) &
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VIA_VR_QUEUE_BUSY) && (loop++ < MAXLOOP))
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cpu_relax();
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while ((readl(viaparinfo->io_virt + VIA_REG_STATUS) &
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(VIA_CMD_RGTR_BUSY | VIA_2D_ENG_BUSY | VIA_3D_ENG_BUSY)) &&
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(loop++ < MAXLOOP))
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cpu_relax();
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return loop >= MAXLOOP;
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}
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