254 lines
6.0 KiB
C
254 lines
6.0 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_get_device_support_state(u32 *support_state)
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{
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*support_state = CRT_Device;
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if (viaparinfo->chip_info->tmds_chip_info.tmds_chip_name == VT1632_TMDS)
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*support_state |= DVI_Device;
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if (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name == VT1631_LVDS)
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*support_state |= LCD_Device;
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}
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void viafb_get_device_connect_state(u32 *connect_state)
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{
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bool mobile = false;
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*connect_state = CRT_Device;
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if (viafb_dvi_sense())
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*connect_state |= DVI_Device;
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viafb_lcd_get_mobile_state(&mobile);
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if (mobile)
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*connect_state |= LCD_Device;
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}
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bool viafb_lcd_get_support_expand_state(u32 xres, u32 yres)
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{
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unsigned int support_state = 0;
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switch (viafb_lcd_panel_id) {
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case LCD_PANEL_ID0_640X480:
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if ((xres < 640) && (yres < 480))
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support_state = true;
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break;
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case LCD_PANEL_ID1_800X600:
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if ((xres < 800) && (yres < 600))
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support_state = true;
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break;
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case LCD_PANEL_ID2_1024X768:
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if ((xres < 1024) && (yres < 768))
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support_state = true;
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break;
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case LCD_PANEL_ID3_1280X768:
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if ((xres < 1280) && (yres < 768))
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support_state = true;
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break;
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case LCD_PANEL_ID4_1280X1024:
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if ((xres < 1280) && (yres < 1024))
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support_state = true;
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break;
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case LCD_PANEL_ID5_1400X1050:
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if ((xres < 1400) && (yres < 1050))
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support_state = true;
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break;
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case LCD_PANEL_ID6_1600X1200:
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if ((xres < 1600) && (yres < 1200))
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support_state = true;
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break;
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case LCD_PANEL_ID7_1366X768:
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if ((xres < 1366) && (yres < 768))
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support_state = true;
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break;
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case LCD_PANEL_ID8_1024X600:
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if ((xres < 1024) && (yres < 600))
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support_state = true;
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break;
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case LCD_PANEL_ID9_1280X800:
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if ((xres < 1280) && (yres < 800))
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support_state = true;
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break;
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case LCD_PANEL_IDA_800X480:
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if ((xres < 800) && (yres < 480))
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support_state = true;
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break;
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case LCD_PANEL_IDB_1360X768:
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if ((xres < 1360) && (yres < 768))
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support_state = true;
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break;
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case LCD_PANEL_IDC_480X640:
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if ((xres < 480) && (yres < 640))
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support_state = true;
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break;
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default:
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support_state = false;
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break;
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}
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return support_state;
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}
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/*====================================================================*/
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/* Gamma Function Implementation*/
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/*====================================================================*/
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void viafb_set_gamma_table(int bpp, unsigned int *gamma_table)
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{
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int i, sr1a;
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int active_device_amount = 0;
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int device_status = viafb_DeviceStatus;
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for (i = 0; i < sizeof(viafb_DeviceStatus) * 8; i++) {
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if (device_status & 1)
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active_device_amount++;
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device_status >>= 1;
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}
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/* 8 bpp mode can't adjust gamma */
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if (bpp == 8)
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return ;
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/* Enable Gamma */
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switch (viaparinfo->chip_info->gfx_chip_name) {
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case UNICHROME_CLE266:
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case UNICHROME_K400:
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viafb_write_reg_mask(SR16, VIASR, 0x80, BIT7);
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break;
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case UNICHROME_K800:
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case UNICHROME_PM800:
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case UNICHROME_CN700:
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case UNICHROME_CX700:
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case UNICHROME_K8M890:
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case UNICHROME_P4M890:
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case UNICHROME_P4M900:
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viafb_write_reg_mask(CR33, VIACR, 0x80, BIT7);
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break;
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}
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sr1a = (unsigned int)viafb_read_reg(VIASR, SR1A);
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viafb_write_reg_mask(SR1A, VIASR, 0x0, BIT0);
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/* Fill IGA1 Gamma Table */
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outb(0, LUT_INDEX_WRITE);
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for (i = 0; i < 256; i++) {
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outb(gamma_table[i] >> 16, LUT_DATA);
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outb(gamma_table[i] >> 8 & 0xFF, LUT_DATA);
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outb(gamma_table[i] & 0xFF, LUT_DATA);
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}
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/* If adjust Gamma value in SAMM, fill IGA1,
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IGA2 Gamma table simultanous. */
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/* Switch to IGA2 Gamma Table */
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if ((active_device_amount > 1) &&
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!((viaparinfo->chip_info->gfx_chip_name ==
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UNICHROME_CLE266) &&
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(viaparinfo->chip_info->gfx_chip_revision < 15))) {
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viafb_write_reg_mask(SR1A, VIASR, 0x01, BIT0);
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viafb_write_reg_mask(CR6A, VIACR, 0x02, BIT1);
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/* Fill IGA2 Gamma Table */
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outb(0, LUT_INDEX_WRITE);
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for (i = 0; i < 256; i++) {
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outb(gamma_table[i] >> 16, LUT_DATA);
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outb(gamma_table[i] >> 8 & 0xFF, LUT_DATA);
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outb(gamma_table[i] & 0xFF, LUT_DATA);
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}
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}
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viafb_write_reg(SR1A, VIASR, sr1a);
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}
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void viafb_get_gamma_table(unsigned int *gamma_table)
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{
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unsigned char color_r, color_g, color_b;
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unsigned char sr1a = 0;
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int i;
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/* Enable Gamma */
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switch (viaparinfo->chip_info->gfx_chip_name) {
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case UNICHROME_CLE266:
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case UNICHROME_K400:
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viafb_write_reg_mask(SR16, VIASR, 0x80, BIT7);
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break;
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case UNICHROME_K800:
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case UNICHROME_PM800:
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case UNICHROME_CN700:
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case UNICHROME_CX700:
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case UNICHROME_K8M890:
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case UNICHROME_P4M890:
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case UNICHROME_P4M900:
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viafb_write_reg_mask(CR33, VIACR, 0x80, BIT7);
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break;
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}
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sr1a = viafb_read_reg(VIASR, SR1A);
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viafb_write_reg_mask(SR1A, VIASR, 0x0, BIT0);
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/* Reading gamma table to get color value */
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outb(0, LUT_INDEX_READ);
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for (i = 0; i < 256; i++) {
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color_r = inb(LUT_DATA);
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color_g = inb(LUT_DATA);
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color_b = inb(LUT_DATA);
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gamma_table[i] =
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((((u32) color_r) << 16) |
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(((u16) color_g) << 8)) | color_b;
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}
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viafb_write_reg(SR1A, VIASR, sr1a);
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}
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void viafb_get_gamma_support_state(int bpp, unsigned int *support_state)
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{
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if (bpp == 8)
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*support_state = None_Device;
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else
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*support_state = CRT_Device | DVI_Device | LCD_Device;
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}
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int viafb_input_parameter_converter(int parameter_value)
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{
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int result;
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if (parameter_value >= 1 && parameter_value <= 9)
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result = 1 << (parameter_value - 1);
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else
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result = 1;
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return result;
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}
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