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-rw-r--r--drivers/video/via/via_utility.c253
-rw-r--r--drivers/video/via/via_utility.h35
-rw-r--r--drivers/video/via/vt1636.c306
-rw-r--r--drivers/video/via/vt1636.h44
4 files changed, 638 insertions, 0 deletions
diff --git a/drivers/video/via/via_utility.c b/drivers/video/via/via_utility.c
new file mode 100644
index 000000000000..d53c3d54ed8e
--- /dev/null
+++ b/drivers/video/via/via_utility.c
@@ -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;
+
+ if (parameter_value >= 1 && parameter_value <= 9)
+ result = 1 << (parameter_value - 1);
+ else
+ result = 1;
+
+ return result;
+}
diff --git a/drivers/video/via/via_utility.h b/drivers/video/via/via_utility.h
new file mode 100644
index 000000000000..2fd455202ebd
--- /dev/null
+++ b/drivers/video/via/via_utility.h
@@ -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__ */
diff --git a/drivers/video/via/vt1636.c b/drivers/video/via/vt1636.c
new file mode 100644
index 000000000000..322a9f993550
--- /dev/null
+++ b/drivers/video/via/vt1636.c
@@ -0,0 +1,306 @@
+/*
+ * 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"
+
+u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
+ *plvds_setting_info, struct lvds_chip_information *plvds_chip_info,
+ u8 index)
+{
+ u8 data;
+
+ viaparinfo->i2c_stuff.i2c_port = plvds_chip_info->i2c_port;
+ viafb_i2c_readbyte(plvds_chip_info->lvds_chip_slave_addr, index, &data);
+
+ return data;
+}
+
+void viafb_gpio_i2c_write_mask_lvds(struct lvds_setting_information
+ *plvds_setting_info, struct lvds_chip_information
+ *plvds_chip_info, struct IODATA io_data)
+{
+ int index, data;
+
+ viaparinfo->i2c_stuff.i2c_port = plvds_chip_info->i2c_port;
+
+ index = io_data.Index;
+ data = viafb_gpio_i2c_read_lvds(plvds_setting_info, plvds_chip_info,
+ index);
+ data = (data & (~io_data.Mask)) | io_data.Data;
+
+ viafb_i2c_writebyte(plvds_chip_info->lvds_chip_slave_addr, index, data);
+}
+
+void viafb_init_lvds_vt1636(struct lvds_setting_information
+ *plvds_setting_info, struct lvds_chip_information *plvds_chip_info)
+{
+ int reg_num, i;
+
+ /* Common settings: */
+ reg_num = ARRAY_SIZE(COMMON_INIT_TBL_VT1636);
+
+ for (i = 0; i < reg_num; i++) {
+ viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
+ plvds_chip_info,
+ COMMON_INIT_TBL_VT1636[i]);
+ }
+
+ /* Input Data Mode Select */
+ if (plvds_setting_info->device_lcd_dualedge) {
+ viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
+ plvds_chip_info,
+ DUAL_CHANNEL_ENABLE_TBL_VT1636[0]);
+ } else {
+ viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
+ plvds_chip_info,
+ SINGLE_CHANNEL_ENABLE_TBL_VT1636[0]);
+ }
+
+ if (plvds_setting_info->LCDDithering) {
+ viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
+ plvds_chip_info,
+ DITHERING_ENABLE_TBL_VT1636[0]);
+ } else {
+ viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
+ plvds_chip_info,
+ DITHERING_DISABLE_TBL_VT1636[0]);
+ }
+}
+
+void viafb_enable_lvds_vt1636(struct lvds_setting_information
+ *plvds_setting_info,
+ struct lvds_chip_information *plvds_chip_info)
+{
+
+ viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info,
+ VDD_ON_TBL_VT1636[0]);
+
+ /* Pad on: */
+ switch (plvds_chip_info->output_interface) {
+ case INTERFACE_DVP0:
+ {
+ viafb_write_reg_mask(SR1E, VIASR, 0xC0, 0xC0);
+ break;
+ }
+
+ case INTERFACE_DVP1:
+ {
+ viafb_write_reg_mask(SR1E, VIASR, 0x30, 0x30);
+ break;
+ }
+
+ case INTERFACE_DFP_LOW:
+ {
+ viafb_write_reg_mask(SR2A, VIASR, 0x03, 0x03);
+ break;
+ }
+
+ case INTERFACE_DFP_HIGH:
+ {
+ viafb_write_reg_mask(SR2A, VIASR, 0x03, 0x0C);
+ break;
+ }
+
+ }
+}
+
+void viafb_disable_lvds_vt1636(struct lvds_setting_information
+ *plvds_setting_info,
+ struct lvds_chip_information *plvds_chip_info)
+{
+
+ viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info,
+ VDD_OFF_TBL_VT1636[0]);
+
+ /* Pad off: */
+ switch (plvds_chip_info->output_interface) {
+ case INTERFACE_DVP0:
+ {
+ viafb_write_reg_mask(SR1E, VIASR, 0x00, 0xC0);
+ break;
+ }
+
+ case INTERFACE_DVP1:
+ {
+ viafb_write_reg_mask(SR1E, VIASR, 0x00, 0x30);
+ break;
+ }
+
+ case INTERFACE_DFP_LOW:
+ {
+ viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x03);
+ break;
+ }
+
+ case INTERFACE_DFP_HIGH:
+ {
+ viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x0C);
+ break;
+ }
+
+ }
+}
+
+bool viafb_lvds_identify_vt1636(void)
+{
+ u8 Buffer[2];
+
+ DEBUG_MSG(KERN_INFO "viafb_lvds_identify_vt1636.\n");
+
+ /* Sense VT1636 LVDS Transmiter */
+ viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr =
+ VT1636_LVDS_I2C_ADDR;
+
+ /* Check vendor ID first: */
+ viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info.
+ lvds_chip_slave_addr,
+ 0x00, &Buffer[0]);
+ viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info.
+ lvds_chip_slave_addr,
+ 0x01, &Buffer[1]);
+
+ if (!((Buffer[0] == 0x06) && (Buffer[1] == 0x11)))
+ return false;
+
+ /* Check Chip ID: */
+ viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info.
+ lvds_chip_slave_addr,
+ 0x02, &Buffer[0]);
+ viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info.
+ lvds_chip_slave_addr,
+ 0x03, &Buffer[1]);
+ if ((Buffer[0] == 0x45) && (Buffer[1] == 0x33)) {
+ viaparinfo->chip_info->lvds_chip_info.lvds_chip_name =
+ VT1636_LVDS;
+ return true;
+ }
+
+ return false;
+}
+
+static int get_clk_range_index(u32 Clk)
+{
+ if (Clk < DPA_CLK_30M)
+ return DPA_CLK_RANGE_30M;
+ else if (Clk < DPA_CLK_50M)
+ return DPA_CLK_RANGE_30_50M;
+ else if (Clk < DPA_CLK_70M)
+ return DPA_CLK_RANGE_50_70M;
+ else if (Clk < DPA_CLK_100M)
+ return DPA_CLK_RANGE_70_100M;
+ else if (Clk < DPA_CLK_150M)
+ return DPA_CLK_RANGE_100_150M;
+ else
+ return DPA_CLK_RANGE_150M;
+}
+
+static int get_lvds_dpa_setting_index(int panel_size_id,
+ struct VT1636_DPA_SETTING *p_vt1636_dpasetting_tbl,
+ int tbl_size)
+{
+ int i;
+
+ for (i = 0; i < tbl_size; i++) {
+ if (panel_size_id == p_vt1636_dpasetting_tbl->PanelSizeID)
+ return i;
+
+ p_vt1636_dpasetting_tbl++;
+ }
+
+ return 0;
+}
+
+static void set_dpa_vt1636(struct lvds_setting_information
+ *plvds_setting_info, struct lvds_chip_information *plvds_chip_info,
+ struct VT1636_DPA_SETTING *p_vt1636_dpa_setting)
+{
+ struct IODATA io_data;
+
+ io_data.Index = 0x09;
+ io_data.Mask = 0x1F;
+ io_data.Data = p_vt1636_dpa_setting->CLK_SEL_ST1;
+ viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
+ plvds_chip_info, io_data);
+
+ io_data.Index = 0x08;
+ io_data.Mask = 0x0F;
+ io_data.Data = p_vt1636_dpa_setting->CLK_SEL_ST2;
+ viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info,
+ io_data);
+}
+
+void viafb_vt1636_patch_skew_on_vt3324(
+ struct lvds_setting_information *plvds_setting_info,
+ struct lvds_chip_information *plvds_chip_info)
+{
+ int index, size;
+
+ DEBUG_MSG(KERN_INFO "viafb_vt1636_patch_skew_on_vt3324.\n");
+
+ /* Graphics DPA settings: */
+ index = get_clk_range_index(plvds_setting_info->vclk);
+ viafb_set_dpa_gfx(plvds_chip_info->output_interface,
+ &GFX_DPA_SETTING_TBL_VT3324[index]);
+
+ /* LVDS Transmitter DPA settings: */
+ size = ARRAY_SIZE(VT1636_DPA_SETTING_TBL_VT3324);
+ index =
+ get_lvds_dpa_setting_index(plvds_setting_info->lcd_panel_id,
+ VT1636_DPA_SETTING_TBL_VT3324, size);
+ set_dpa_vt1636(plvds_setting_info, plvds_chip_info,
+ &VT1636_DPA_SETTING_TBL_VT3324[index]);
+}
+
+void viafb_vt1636_patch_skew_on_vt3327(
+ struct lvds_setting_information *plvds_setting_info,
+ struct lvds_chip_information *plvds_chip_info)
+{
+ int index, size;
+
+ DEBUG_MSG(KERN_INFO "viafb_vt1636_patch_skew_on_vt3327.\n");
+
+ /* Graphics DPA settings: */
+ index = get_clk_range_index(plvds_setting_info->vclk);
+ viafb_set_dpa_gfx(plvds_chip_info->output_interface,
+ &GFX_DPA_SETTING_TBL_VT3327[index]);
+
+ /* LVDS Transmitter DPA settings: */
+ size = ARRAY_SIZE(VT1636_DPA_SETTING_TBL_VT3327);
+ index =
+ get_lvds_dpa_setting_index(plvds_setting_info->lcd_panel_id,
+ VT1636_DPA_SETTING_TBL_VT3327, size);
+ set_dpa_vt1636(plvds_setting_info, plvds_chip_info,
+ &VT1636_DPA_SETTING_TBL_VT3327[index]);
+}
+
+void viafb_vt1636_patch_skew_on_vt3364(
+ struct lvds_setting_information *plvds_setting_info,
+ struct lvds_chip_information *plvds_chip_info)
+{
+ int index;
+
+ DEBUG_MSG(KERN_INFO "viafb_vt1636_patch_skew_on_vt3364.\n");
+
+ /* Graphics DPA settings: */
+ index = get_clk_range_index(plvds_setting_info->vclk);
+ viafb_set_dpa_gfx(plvds_chip_info->output_interface,
+ &GFX_DPA_SETTING_TBL_VT3364[index]);
+}
diff --git a/drivers/video/via/vt1636.h b/drivers/video/via/vt1636.h
new file mode 100644
index 000000000000..2a150c58c7ed
--- /dev/null
+++ b/drivers/video/via/vt1636.h
@@ -0,0 +1,44 @@
+/*
+ * 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 _VT1636_H_
+#define _VT1636_H_
+#include "chip.h"
+bool viafb_lvds_identify_vt1636(void);
+void viafb_init_lvds_vt1636(struct lvds_setting_information
+ *plvds_setting_info, struct lvds_chip_information *plvds_chip_info);
+void viafb_enable_lvds_vt1636(struct lvds_setting_information
+ *plvds_setting_info,
+ struct lvds_chip_information *plvds_chip_info);
+void viafb_disable_lvds_vt1636(struct lvds_setting_information
+ *plvds_setting_info,
+ struct lvds_chip_information *plvds_chip_info);
+void viafb_vt1636_patch_skew_on_vt3324(
+ struct lvds_setting_information *plvds_setting_info,
+ struct lvds_chip_information *plvds_chip_info);
+void viafb_vt1636_patch_skew_on_vt3327(
+ struct lvds_setting_information *plvds_setting_info,
+ struct lvds_chip_information *plvds_chip_info);
+void viafb_vt1636_patch_skew_on_vt3364(
+ struct lvds_setting_information *plvds_setting_info,
+ struct lvds_chip_information *plvds_chip_info);
+
+#endif
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