From: Joseph Chan Date: Thu, 16 Oct 2008 05:03:30 +0000 (-0700) Subject: viafb: via_utility.c, via_utility.h, vt1636.c, vt1636.h X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=23966d5b52e6ee1f90bb343766a9703dafceae83;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git 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 Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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