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viafb: via_utility.c, via_utility.h, vt1636.c, vt1636.h
via_utility.c, via_utility.h: support user mode application with additional information vt1636.c, vt1636.h: setting for chip vt1636 Signed-off-by: Joseph Chan <josephchan@via.com.tw> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Joseph Chan
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Linus Torvalds
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Oct 16, 2008
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,253 @@ | ||
| /* | ||
| * 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_get_device_support_state(u32 *support_state) | ||
| { | ||
| *support_state = CRT_Device; | ||
|
|
||
| if (viaparinfo->chip_info->tmds_chip_info.tmds_chip_name == VT1632_TMDS) | ||
| *support_state |= DVI_Device; | ||
|
|
||
| if (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name == VT1631_LVDS) | ||
| *support_state |= LCD_Device; | ||
| } | ||
|
|
||
| void viafb_get_device_connect_state(u32 *connect_state) | ||
| { | ||
| bool mobile = false; | ||
|
|
||
| *connect_state = CRT_Device; | ||
|
|
||
| if (viafb_dvi_sense()) | ||
| *connect_state |= DVI_Device; | ||
|
|
||
| viafb_lcd_get_mobile_state(&mobile); | ||
| if (mobile) | ||
| *connect_state |= LCD_Device; | ||
| } | ||
|
|
||
| bool viafb_lcd_get_support_expand_state(u32 xres, u32 yres) | ||
| { | ||
| unsigned int support_state = 0; | ||
|
|
||
| switch (viafb_lcd_panel_id) { | ||
| case LCD_PANEL_ID0_640X480: | ||
| if ((xres < 640) && (yres < 480)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_ID1_800X600: | ||
| if ((xres < 800) && (yres < 600)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_ID2_1024X768: | ||
| if ((xres < 1024) && (yres < 768)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_ID3_1280X768: | ||
| if ((xres < 1280) && (yres < 768)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_ID4_1280X1024: | ||
| if ((xres < 1280) && (yres < 1024)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_ID5_1400X1050: | ||
| if ((xres < 1400) && (yres < 1050)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_ID6_1600X1200: | ||
| if ((xres < 1600) && (yres < 1200)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_ID7_1366X768: | ||
| if ((xres < 1366) && (yres < 768)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_ID8_1024X600: | ||
| if ((xres < 1024) && (yres < 600)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_ID9_1280X800: | ||
| if ((xres < 1280) && (yres < 800)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_IDA_800X480: | ||
| if ((xres < 800) && (yres < 480)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_IDB_1360X768: | ||
| if ((xres < 1360) && (yres < 768)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| case LCD_PANEL_IDC_480X640: | ||
| if ((xres < 480) && (yres < 640)) | ||
| support_state = true; | ||
| break; | ||
|
|
||
| default: | ||
| support_state = false; | ||
| break; | ||
| } | ||
|
|
||
| return support_state; | ||
| } | ||
|
|
||
| /*====================================================================*/ | ||
| /* Gamma Function Implementation*/ | ||
| /*====================================================================*/ | ||
|
|
||
| void viafb_set_gamma_table(int bpp, unsigned int *gamma_table) | ||
| { | ||
| int i, sr1a; | ||
| int active_device_amount = 0; | ||
| int device_status = viafb_DeviceStatus; | ||
|
|
||
| for (i = 0; i < sizeof(viafb_DeviceStatus) * 8; i++) { | ||
| if (device_status & 1) | ||
| active_device_amount++; | ||
| device_status >>= 1; | ||
| } | ||
|
|
||
| /* 8 bpp mode can't adjust gamma */ | ||
| if (bpp == 8) | ||
| return ; | ||
|
|
||
| /* Enable Gamma */ | ||
| switch (viaparinfo->chip_info->gfx_chip_name) { | ||
| case UNICHROME_CLE266: | ||
| case UNICHROME_K400: | ||
| viafb_write_reg_mask(SR16, VIASR, 0x80, BIT7); | ||
| break; | ||
|
|
||
| case UNICHROME_K800: | ||
| case UNICHROME_PM800: | ||
| case UNICHROME_CN700: | ||
| case UNICHROME_CX700: | ||
| case UNICHROME_K8M890: | ||
| case UNICHROME_P4M890: | ||
| case UNICHROME_P4M900: | ||
| viafb_write_reg_mask(CR33, VIACR, 0x80, BIT7); | ||
| break; | ||
| } | ||
| sr1a = (unsigned int)viafb_read_reg(VIASR, SR1A); | ||
| viafb_write_reg_mask(SR1A, VIASR, 0x0, BIT0); | ||
|
|
||
| /* Fill IGA1 Gamma Table */ | ||
| outb(0, LUT_INDEX_WRITE); | ||
| for (i = 0; i < 256; i++) { | ||
| outb(gamma_table[i] >> 16, LUT_DATA); | ||
| outb(gamma_table[i] >> 8 & 0xFF, LUT_DATA); | ||
| outb(gamma_table[i] & 0xFF, LUT_DATA); | ||
| } | ||
|
|
||
| /* If adjust Gamma value in SAMM, fill IGA1, | ||
| IGA2 Gamma table simultanous. */ | ||
| /* Switch to IGA2 Gamma Table */ | ||
| if ((active_device_amount > 1) && | ||
| !((viaparinfo->chip_info->gfx_chip_name == | ||
| UNICHROME_CLE266) && | ||
| (viaparinfo->chip_info->gfx_chip_revision < 15))) { | ||
| viafb_write_reg_mask(SR1A, VIASR, 0x01, BIT0); | ||
| viafb_write_reg_mask(CR6A, VIACR, 0x02, BIT1); | ||
|
|
||
| /* Fill IGA2 Gamma Table */ | ||
| outb(0, LUT_INDEX_WRITE); | ||
| for (i = 0; i < 256; i++) { | ||
| outb(gamma_table[i] >> 16, LUT_DATA); | ||
| outb(gamma_table[i] >> 8 & 0xFF, LUT_DATA); | ||
| outb(gamma_table[i] & 0xFF, LUT_DATA); | ||
| } | ||
| } | ||
| viafb_write_reg(SR1A, VIASR, sr1a); | ||
| } | ||
|
|
||
| void viafb_get_gamma_table(unsigned int *gamma_table) | ||
| { | ||
| unsigned char color_r, color_g, color_b; | ||
| unsigned char sr1a = 0; | ||
| int i; | ||
|
|
||
| /* Enable Gamma */ | ||
| switch (viaparinfo->chip_info->gfx_chip_name) { | ||
| case UNICHROME_CLE266: | ||
| case UNICHROME_K400: | ||
| viafb_write_reg_mask(SR16, VIASR, 0x80, BIT7); | ||
| break; | ||
|
|
||
| case UNICHROME_K800: | ||
| case UNICHROME_PM800: | ||
| case UNICHROME_CN700: | ||
| case UNICHROME_CX700: | ||
| case UNICHROME_K8M890: | ||
| case UNICHROME_P4M890: | ||
| case UNICHROME_P4M900: | ||
| viafb_write_reg_mask(CR33, VIACR, 0x80, BIT7); | ||
| break; | ||
| } | ||
| sr1a = viafb_read_reg(VIASR, SR1A); | ||
| viafb_write_reg_mask(SR1A, VIASR, 0x0, BIT0); | ||
|
|
||
| /* Reading gamma table to get color value */ | ||
| outb(0, LUT_INDEX_READ); | ||
| for (i = 0; i < 256; i++) { | ||
| color_r = inb(LUT_DATA); | ||
| color_g = inb(LUT_DATA); | ||
| color_b = inb(LUT_DATA); | ||
| gamma_table[i] = | ||
| ((((u32) color_r) << 16) | | ||
| (((u16) color_g) << 8)) | color_b; | ||
| } | ||
| viafb_write_reg(SR1A, VIASR, sr1a); | ||
| } | ||
|
|
||
| void viafb_get_gamma_support_state(int bpp, unsigned int *support_state) | ||
| { | ||
| if (bpp == 8) | ||
| *support_state = None_Device; | ||
| else | ||
| *support_state = CRT_Device | DVI_Device | LCD_Device; | ||
| } | ||
|
|
||
| int viafb_input_parameter_converter(int parameter_value) | ||
| { | ||
| int result; | ||
|
|
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| if (parameter_value >= 1 && parameter_value <= 9) | ||
| result = 1 << (parameter_value - 1); | ||
| else | ||
| result = 1; | ||
|
|
||
| return result; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
| #ifndef __VIAUTILITY_H__ | ||
| #define __VIAUTILITY_H__ | ||
|
|
||
| /* These functions are used to get infomation about device's state */ | ||
| void viafb_get_device_support_state(u32 *support_state); | ||
| void viafb_get_device_connect_state(u32 *connect_state); | ||
| bool viafb_lcd_get_support_expand_state(u32 xres, u32 yres); | ||
|
|
||
| /* These function are used to access gamma table */ | ||
| void viafb_set_gamma_table(int bpp, unsigned int *gamma_table); | ||
| void viafb_get_gamma_table(unsigned int *gamma_table); | ||
| void viafb_get_gamma_support_state(int bpp, unsigned int *support_state); | ||
| int viafb_input_parameter_converter(int parameter_value); | ||
|
|
||
| #endif /* __VIAUTILITY_H__ */ |
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