diff options
Diffstat (limited to 'drivers/video/via/dvi.c')
| -rw-r--r-- | drivers/video/via/dvi.c | 682 |
1 files changed, 0 insertions, 682 deletions
diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c deleted file mode 100644 index d6965447ca6..00000000000 --- a/drivers/video/via/dvi.c +++ /dev/null @@ -1,682 +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 "global.h" - -static void tmds_register_write(int index, u8 data); -static int tmds_register_read(int index); -static int tmds_register_read_bytes(int index, u8 *buff, int buff_len); -static int check_reduce_blanking_mode(int mode_index, - int refresh_rate); -static int dvi_get_panel_size_from_DDCv1(void); -static int dvi_get_panel_size_from_DDCv2(void); -static unsigned char dvi_get_panel_info(void); -static int viafb_dvi_query_EDID(void); - -static int check_tmds_chip(int device_id_subaddr, int device_id) -{ - if (tmds_register_read(device_id_subaddr) == device_id) - return OK; - else - return FAIL; -} - -void viafb_init_dvi_size(void) -{ - DEBUG_MSG(KERN_INFO "viafb_init_dvi_size()\n"); - DEBUG_MSG(KERN_INFO - "viaparinfo->tmds_setting_info->get_dvi_size_method %d\n", - viaparinfo->tmds_setting_info->get_dvi_size_method); - - switch (viaparinfo->tmds_setting_info->get_dvi_size_method) { - case GET_DVI_SIZE_BY_SYSTEM_BIOS: - break; - case GET_DVI_SZIE_BY_HW_STRAPPING: - break; - case GET_DVI_SIZE_BY_VGA_BIOS: - default: - dvi_get_panel_info(); - break; - } - return; -} - -int viafb_tmds_trasmitter_identify(void) -{ - unsigned char sr2a = 0, sr1e = 0, sr3e = 0; - - /* Turn on ouputting pad */ - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_K8M890: - /*=* DFP Low Pad on *=*/ - sr2a = viafb_read_reg(VIASR, SR2A); - viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1); - break; - - case UNICHROME_P4M900: - case UNICHROME_P4M890: - /* DFP Low Pad on */ - sr2a = viafb_read_reg(VIASR, SR2A); - viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1); - /* DVP0 Pad on */ - sr1e = viafb_read_reg(VIASR, SR1E); - viafb_write_reg_mask(SR1E, VIASR, 0xC0, BIT6 + BIT7); - break; - - default: - /* DVP0/DVP1 Pad on */ - sr1e = viafb_read_reg(VIASR, SR1E); - viafb_write_reg_mask(SR1E, VIASR, 0xF0, BIT4 + - BIT5 + BIT6 + BIT7); - /* SR3E[1]Multi-function selection: - 0 = Emulate I2C and DDC bus by GPIO2/3/4. */ - sr3e = viafb_read_reg(VIASR, SR3E); - viafb_write_reg_mask(SR3E, VIASR, 0x0, BIT5); - break; - } - - /* Check for VT1632: */ - viaparinfo->chip_info->tmds_chip_info.tmds_chip_name = VT1632_TMDS; - viaparinfo->chip_info-> - tmds_chip_info.tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR; - viaparinfo->chip_info->tmds_chip_info.i2c_port = I2CPORTINDEX; - if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID) != FAIL) { - /* - * Currently only support 12bits,dual edge,add 24bits mode later - */ - tmds_register_write(0x08, 0x3b); - - DEBUG_MSG(KERN_INFO "\n VT1632 TMDS ! \n"); - DEBUG_MSG(KERN_INFO "\n %2d", - viaparinfo->chip_info->tmds_chip_info.tmds_chip_name); - DEBUG_MSG(KERN_INFO "\n %2d", - viaparinfo->chip_info->tmds_chip_info.i2c_port); - return OK; - } else { - viaparinfo->chip_info->tmds_chip_info.i2c_port = GPIOPORTINDEX; - if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID) - != FAIL) { - tmds_register_write(0x08, 0x3b); - DEBUG_MSG(KERN_INFO "\n VT1632 TMDS ! \n"); - DEBUG_MSG(KERN_INFO "\n %2d", - viaparinfo->chip_info-> - tmds_chip_info.tmds_chip_name); - DEBUG_MSG(KERN_INFO "\n %2d", - viaparinfo->chip_info-> - tmds_chip_info.i2c_port); - return OK; - } - } - - viaparinfo->chip_info->tmds_chip_info.tmds_chip_name = INTEGRATED_TMDS; - - if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) && - ((viafb_display_hardware_layout == HW_LAYOUT_DVI_ONLY) || - (viafb_display_hardware_layout == HW_LAYOUT_LCD_DVI))) { - DEBUG_MSG(KERN_INFO "\n Integrated TMDS ! \n"); - return OK; - } - - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_K8M890: - viafb_write_reg(SR2A, VIASR, sr2a); - break; - - case UNICHROME_P4M900: - case UNICHROME_P4M890: - viafb_write_reg(SR2A, VIASR, sr2a); - viafb_write_reg(SR1E, VIASR, sr1e); - break; - - default: - viafb_write_reg(SR1E, VIASR, sr1e); - viafb_write_reg(SR3E, VIASR, sr3e); - break; - } - - viaparinfo->chip_info-> - tmds_chip_info.tmds_chip_name = NON_TMDS_TRANSMITTER; - viaparinfo->chip_info->tmds_chip_info. - tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR; - return FAIL; -} - -static void tmds_register_write(int index, u8 data) -{ - viaparinfo->i2c_stuff.i2c_port = - viaparinfo->chip_info->tmds_chip_info.i2c_port; - - viafb_i2c_writebyte(viaparinfo->chip_info->tmds_chip_info. - tmds_chip_slave_addr, index, - data); -} - -static int tmds_register_read(int index) -{ - u8 data; - - viaparinfo->i2c_stuff.i2c_port = - viaparinfo->chip_info->tmds_chip_info.i2c_port; - viafb_i2c_readbyte((u8) viaparinfo->chip_info-> - tmds_chip_info.tmds_chip_slave_addr, - (u8) index, &data); - return data; -} - -static int tmds_register_read_bytes(int index, u8 *buff, int buff_len) -{ - viaparinfo->i2c_stuff.i2c_port = - viaparinfo->chip_info->tmds_chip_info.i2c_port; - viafb_i2c_readbytes((u8) viaparinfo->chip_info->tmds_chip_info. - tmds_chip_slave_addr, (u8) index, buff, buff_len); - return 0; -} - -static int check_reduce_blanking_mode(int mode_index, - int refresh_rate) -{ - if (refresh_rate != 60) - return false; - - switch (mode_index) { - /* Following modes have reduce blanking mode. */ - case VIA_RES_1360X768: - case VIA_RES_1400X1050: - case VIA_RES_1440X900: - case VIA_RES_1600X900: - case VIA_RES_1680X1050: - case VIA_RES_1920X1080: - case VIA_RES_1920X1200: - break; - - default: - DEBUG_MSG(KERN_INFO - "This dvi mode %d have no reduce blanking mode!\n", - mode_index); - return false; - } - - return true; -} - -/* DVI Set Mode */ -void viafb_dvi_set_mode(int video_index, int mode_bpp, int set_iga) -{ - struct VideoModeTable *videoMode = NULL; - struct crt_mode_table *pDviTiming; - unsigned long desirePixelClock, maxPixelClock; - int status = 0; - videoMode = viafb_get_modetbl_pointer(video_index); - pDviTiming = videoMode->crtc; - desirePixelClock = pDviTiming->clk / 1000000; - maxPixelClock = (unsigned long)viaparinfo-> - tmds_setting_info->max_pixel_clock; - - DEBUG_MSG(KERN_INFO "\nDVI_set_mode!!\n"); - - if ((maxPixelClock != 0) && (desirePixelClock > maxPixelClock)) { - /*Check if reduce-blanking mode is exist */ - status = - check_reduce_blanking_mode(video_index, - pDviTiming->refresh_rate); - if (status) { - video_index += 100; /*Use reduce-blanking mode */ - videoMode = viafb_get_modetbl_pointer(video_index); - pDviTiming = videoMode->crtc; - DEBUG_MSG(KERN_INFO - "DVI use reduce blanking mode %d!!\n", - video_index); - } - } - viafb_fill_crtc_timing(pDviTiming, video_index, mode_bpp / 8, set_iga); - viafb_set_output_path(DEVICE_DVI, set_iga, - viaparinfo->chip_info->tmds_chip_info.output_interface); -} - -/* Sense DVI Connector */ -int viafb_dvi_sense(void) -{ - u8 RegSR1E = 0, RegSR3E = 0, RegCR6B = 0, RegCR91 = 0, - RegCR93 = 0, RegCR9B = 0, data; - int ret = false; - - DEBUG_MSG(KERN_INFO "viafb_dvi_sense!!\n"); - - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { - /* DI1 Pad on */ - RegSR1E = viafb_read_reg(VIASR, SR1E); - viafb_write_reg(SR1E, VIASR, RegSR1E | 0x30); - - /* CR6B[0]VCK Input Selection: 1 = External clock. */ - RegCR6B = viafb_read_reg(VIACR, CR6B); - viafb_write_reg(CR6B, VIACR, RegCR6B | 0x08); - - /* CR91[4] VDD On [3] Data On [2] VEE On [1] Back Light Off - [0] Software Control Power Sequence */ - RegCR91 = viafb_read_reg(VIACR, CR91); - viafb_write_reg(CR91, VIACR, 0x1D); - - /* CR93[7] DI1 Data Source Selection: 1 = DSP2. - CR93[5] DI1 Clock Source: 1 = internal. - CR93[4] DI1 Clock Polarity. - CR93[3:1] DI1 Clock Adjust. CR93[0] DI1 enable */ - RegCR93 = viafb_read_reg(VIACR, CR93); - viafb_write_reg(CR93, VIACR, 0x01); - } else { - /* DVP0/DVP1 Pad on */ - RegSR1E = viafb_read_reg(VIASR, SR1E); - viafb_write_reg(SR1E, VIASR, RegSR1E | 0xF0); - - /* SR3E[1]Multi-function selection: - 0 = Emulate I2C and DDC bus by GPIO2/3/4. */ - RegSR3E = viafb_read_reg(VIASR, SR3E); - viafb_write_reg(SR3E, VIASR, RegSR3E & (~0x20)); - - /* CR91[4] VDD On [3] Data On [2] VEE On [1] Back Light Off - [0] Software Control Power Sequence */ - RegCR91 = viafb_read_reg(VIACR, CR91); - viafb_write_reg(CR91, VIACR, 0x1D); - - /*CR9B[4] DVP1 Data Source Selection: 1 = From secondary - display.CR9B[2:0] DVP1 Clock Adjust */ - RegCR9B = viafb_read_reg(VIACR, CR9B); - viafb_write_reg(CR9B, VIACR, 0x01); - } - - data = (u8) tmds_register_read(0x09); - if (data & 0x04) - ret = true; - - if (ret == false) { - if (viafb_dvi_query_EDID()) - ret = true; - } - - /* Restore status */ - viafb_write_reg(SR1E, VIASR, RegSR1E); - viafb_write_reg(CR91, VIACR, RegCR91); - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { - viafb_write_reg(CR6B, VIACR, RegCR6B); - viafb_write_reg(CR93, VIACR, RegCR93); - } else { - viafb_write_reg(SR3E, VIASR, RegSR3E); - viafb_write_reg(CR9B, VIACR, RegCR9B); - } - - return ret; -} - -/* Query Flat Panel's EDID Table Version Through DVI Connector */ -static int viafb_dvi_query_EDID(void) -{ - u8 data0, data1; - int restore; - - DEBUG_MSG(KERN_INFO "viafb_dvi_query_EDID!!\n"); - - restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr; - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA0; - - data0 = (u8) tmds_register_read(0x00); - data1 = (u8) tmds_register_read(0x01); - if ((data0 == 0) && (data1 == 0xFF)) { - viaparinfo->chip_info-> - tmds_chip_info.tmds_chip_slave_addr = restore; - return EDID_VERSION_1; /* Found EDID1 Table */ - } - - data0 = (u8) tmds_register_read(0x00); - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore; - if (data0 == 0x20) - return EDID_VERSION_2; /* Found EDID2 Table */ - else - return false; -} - -/* - * - * int dvi_get_panel_size_from_DDCv1(void) - * - * - Get Panel Size Using EDID1 Table - * - * Return Type: int - * - */ -static int dvi_get_panel_size_from_DDCv1(void) -{ - int i, max_h = 0, max_v = 0, tmp, restore; - unsigned char rData; - unsigned char EDID_DATA[18]; - - DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv1 \n"); - - restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr; - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA0; - - rData = tmds_register_read(0x23); - if (rData & 0x3C) - max_h = 640; - if (rData & 0xC0) - max_h = 720; - if (rData & 0x03) - max_h = 800; - - rData = tmds_register_read(0x24); - if (rData & 0xC0) - max_h = 800; - if (rData & 0x1E) - max_h = 1024; - if (rData & 0x01) - max_h = 1280; - - for (i = 0x25; i < 0x6D; i++) { - switch (i) { - case 0x26: - case 0x28: - case 0x2A: - case 0x2C: - case 0x2E: - case 0x30: - case 0x32: - case 0x34: - rData = tmds_register_read(i); - if (rData == 1) - break; - /* data = (data + 31) * 8 */ - tmp = (rData + 31) << 3; - if (tmp > max_h) - max_h = tmp; - break; - - case 0x36: - case 0x48: - case 0x5A: - case 0x6C: - tmds_register_read_bytes(i, EDID_DATA, 10); - if (!(EDID_DATA[0] || EDID_DATA[1])) { - /* The first two byte must be zero. */ - if (EDID_DATA[3] == 0xFD) { - /* To get max pixel clock. */ - viaparinfo->tmds_setting_info-> - max_pixel_clock = EDID_DATA[9] * 10; - } - } - break; - - default: - break; - } - } - - switch (max_h) { - case 640: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_640X480; - break; - case 800: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_800X600; - break; - case 1024: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1024X768; - break; - case 1280: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1280X1024; - break; - case 1400: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1400X1050; - break; - case 1440: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1440X1050; - break; - case 1600: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1600X1200; - break; - case 1920: - if (max_v == 1200) { - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1920X1200; - } else { - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1920X1080; - } - - break; - default: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1024X768; - DEBUG_MSG(KERN_INFO "Unknow panel size max resolution = %d !\ - set default panel size.\n", max_h); - break; - } - - DEBUG_MSG(KERN_INFO "DVI max pixelclock = %d\n", - viaparinfo->tmds_setting_info->max_pixel_clock); - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore; - return viaparinfo->tmds_setting_info->dvi_panel_size; -} - -/* - * - * int dvi_get_panel_size_from_DDCv2(void) - * - * - Get Panel Size Using EDID2 Table - * - * Return Type: int - * - */ -static int dvi_get_panel_size_from_DDCv2(void) -{ - int HSize = 0, restore; - unsigned char R_Buffer[2]; - - DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv2 \n"); - - restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr; - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA2; - - /* Horizontal: 0x76, 0x77 */ - tmds_register_read_bytes(0x76, R_Buffer, 2); - HSize = R_Buffer[0]; - HSize += R_Buffer[1] << 8; - - switch (HSize) { - case 640: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_640X480; - break; - case 800: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_800X600; - break; - case 1024: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1024X768; - break; - case 1280: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1280X1024; - break; - case 1400: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1400X1050; - break; - case 1440: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1440X1050; - break; - case 1600: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1600X1200; - break; - default: - viaparinfo->tmds_setting_info->dvi_panel_size = - VIA_RES_1024X768; - DEBUG_MSG(KERN_INFO "Unknow panel size max resolution = %d!\ - set default panel size.\n", HSize); - break; - } - - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore; - return viaparinfo->tmds_setting_info->dvi_panel_size; -} - -/* - * - * unsigned char dvi_get_panel_info(void) - * - * - Get Panel Size - * - * Return Type: unsigned char - */ -static unsigned char dvi_get_panel_info(void) -{ - unsigned char dvipanelsize; - DEBUG_MSG(KERN_INFO "dvi_get_panel_info! \n"); - - viafb_dvi_sense(); - switch (viafb_dvi_query_EDID()) { - case 1: - dvi_get_panel_size_from_DDCv1(); - break; - case 2: - dvi_get_panel_size_from_DDCv2(); - break; - default: - break; - } - - DEBUG_MSG(KERN_INFO "dvi panel size is %2d \n", - viaparinfo->tmds_setting_info->dvi_panel_size); - dvipanelsize = (unsigned char)(viaparinfo-> - tmds_setting_info->dvi_panel_size); - return dvipanelsize; -} - -/* If Disable DVI, turn off pad */ -void viafb_dvi_disable(void) -{ - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DVP0) - viafb_write_reg(SR1E, VIASR, - viafb_read_reg(VIASR, SR1E) & (~0xC0)); - - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DVP1) - viafb_write_reg(SR1E, VIASR, - viafb_read_reg(VIASR, SR1E) & (~0x30)); - - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DFP_HIGH) - viafb_write_reg(SR2A, VIASR, - viafb_read_reg(VIASR, SR2A) & (~0x0C)); - - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DFP_LOW) - viafb_write_reg(SR2A, VIASR, - viafb_read_reg(VIASR, SR2A) & (~0x03)); - - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_TMDS) - /* Turn off TMDS power. */ - viafb_write_reg(CRD2, VIACR, - viafb_read_reg(VIACR, CRD2) | 0x08); -} - -/* If Enable DVI, turn off pad */ -void viafb_dvi_enable(void) -{ - u8 data; - - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DVP0) { - viafb_write_reg(SR1E, VIASR, - viafb_read_reg(VIASR, SR1E) | 0xC0); - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) - tmds_register_write(0x88, 0x3b); - else - /*clear CR91[5] to direct on display period - in the secondary diplay path */ - viafb_write_reg(CR91, VIACR, - viafb_read_reg(VIACR, CR91) & 0xDF); - } - - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DVP1) { - viafb_write_reg(SR1E, VIASR, - viafb_read_reg(VIASR, SR1E) | 0x30); - - /*fix dvi cann't be enabled with MB VT5718C4 - Al Zhang */ - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { - tmds_register_write(0x88, 0x3b); - } else { - /*clear CR91[5] to direct on display period - in the secondary diplay path */ - viafb_write_reg(CR91, VIACR, - viafb_read_reg(VIACR, CR91) & 0xDF); - } - - /*fix DVI cannot enable on EPIA-M board */ - if (viafb_platform_epia_dvi == 1) { - viafb_write_reg_mask(CR91, VIACR, 0x1f, 0x1f); - viafb_write_reg_mask(CR88, VIACR, 0x00, BIT6 + BIT0); - if (viafb_bus_width == 24) { - if (viafb_device_lcd_dualedge == 1) - data = 0x3F; - else - data = 0x37; - viafb_i2c_writebyte(viaparinfo->chip_info-> - tmds_chip_info. - tmds_chip_slave_addr, - 0x08, data); - } - } - } - - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DFP_HIGH) { - viafb_write_reg(SR2A, VIASR, - viafb_read_reg(VIASR, SR2A) | 0x0C); - viafb_write_reg(CR91, VIACR, - viafb_read_reg(VIACR, CR91) & 0xDF); - } - - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_DFP_LOW) { - viafb_write_reg(SR2A, VIASR, - viafb_read_reg(VIASR, SR2A) | 0x03); - viafb_write_reg(CR91, VIACR, - viafb_read_reg(VIACR, CR91) & 0xDF); - } - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_TMDS) { - /* Turn on Display period in the panel path. */ - viafb_write_reg_mask(CR91, VIACR, 0, BIT7); - - /* Turn on TMDS power. */ - viafb_write_reg_mask(CRD2, VIACR, 0, BIT3); - } -} - |