diff options
Diffstat (limited to 'drivers/video/via/vt1636.c')
| -rw-r--r-- | drivers/video/via/vt1636.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/drivers/video/via/vt1636.c b/drivers/video/via/vt1636.c deleted file mode 100644 index ee2903b472cf..000000000000 --- a/drivers/video/via/vt1636.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * 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 <linux/via-core.h> -#include <linux/via_i2c.h> -#include "global.h" - -static const struct IODATA common_init_data[] = { -/* Index, Mask, Value */ - /* Set panel power sequence timing */ - {0x10, 0xC0, 0x00}, - /* T1: VDD on - Data on. Each increment is 1 ms. (50ms = 031h) */ - {0x0B, 0xFF, 0x40}, - /* T2: Data on - Backlight on. Each increment is 2 ms. (210ms = 068h) */ - {0x0C, 0xFF, 0x31}, - /* T3: Backlight off -Data off. Each increment is 2 ms. (210ms = 068h)*/ - {0x0D, 0xFF, 0x31}, - /* T4: Data off - VDD off. Each increment is 1 ms. (50ms = 031h) */ - {0x0E, 0xFF, 0x68}, - /* T5: VDD off - VDD on. Each increment is 100 ms. (500ms = 04h) */ - {0x0F, 0xFF, 0x68}, - /* LVDS output power up */ - {0x09, 0xA0, 0xA0}, - /* turn on back light */ - {0x10, 0x33, 0x13} -}; - -/* Index, Mask, Value */ -static const struct IODATA dual_channel_enable_data = {0x08, 0xF0, 0xE0}; -static const struct IODATA single_channel_enable_data = {0x08, 0xF0, 0x00}; -static const struct IODATA dithering_enable_data = {0x0A, 0x70, 0x50}; -static const struct IODATA dithering_disable_data = {0x0A, 0x70, 0x00}; -static const struct IODATA vdd_on_data = {0x10, 0x20, 0x20}; -static const struct IODATA vdd_off_data = {0x10, 0x20, 0x00}; - -u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information - *plvds_setting_info, struct lvds_chip_information *plvds_chip_info, - u8 index) -{ - u8 data; - - viafb_i2c_readbyte(plvds_chip_info->i2c_port, - 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; - - 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->i2c_port, - 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_data); - for (i = 0; i < reg_num; i++) - viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, - plvds_chip_info, common_init_data[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_data); - else - viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, - plvds_chip_info, single_channel_enable_data); - - if (plvds_setting_info->LCDDithering) - viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, - plvds_chip_info, dithering_enable_data); - else - viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, - plvds_chip_info, dithering_disable_data); -} - -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_data); -} - -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_data); -} - -bool viafb_lvds_identify_vt1636(u8 i2c_adapter) -{ - 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: */ - if (viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_ADDR, - 0x00, &Buffer[0])) - return false; - viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_ADDR, 0x01, &Buffer[1]); - - if (!((Buffer[0] == 0x06) && (Buffer[1] == 0x11))) - return false; - - /* Check Chip ID: */ - viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_ADDR, 0x02, &Buffer[0]); - viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_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 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) -{ - struct VT1636_DPA_SETTING dpa = {0x00, 0x00}, dpa_16x12 = {0x0B, 0x03}, - *pdpa; - int index; - - 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: */ - if (plvds_setting_info->lcd_panel_hres == 1600 && - plvds_setting_info->lcd_panel_vres == 1200) - pdpa = &dpa_16x12; - else - pdpa = &dpa; - - set_dpa_vt1636(plvds_setting_info, plvds_chip_info, pdpa); -} - -void viafb_vt1636_patch_skew_on_vt3327( - struct lvds_setting_information *plvds_setting_info, - struct lvds_chip_information *plvds_chip_info) -{ - struct VT1636_DPA_SETTING dpa = {0x00, 0x00}; - int index; - - 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: */ - set_dpa_vt1636(plvds_setting_info, plvds_chip_info, &dpa); -} - -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]); -} |