1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
4  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
7 #include <linux/via-core.h>
41 	switch (viaparinfo->chip_info->gfx_chip_name) {  in viafb_tmds_trasmitter_identify()
63 	    /* SR3E[1]Multi-function selection:  in viafb_tmds_trasmitter_identify()
71 	viaparinfo->chip_info->tmds_chip_info.tmds_chip_name = VT1632_TMDS;  in viafb_tmds_trasmitter_identify()
72 	viaparinfo->chip_info->  in viafb_tmds_trasmitter_identify()
74 	viaparinfo->chip_info->tmds_chip_info.i2c_port = VIA_PORT_31;  in viafb_tmds_trasmitter_identify()
83 			  viaparinfo->chip_info->tmds_chip_info.tmds_chip_name);  in viafb_tmds_trasmitter_identify()
85 			  viaparinfo->chip_info->tmds_chip_info.i2c_port);  in viafb_tmds_trasmitter_identify()
88 		viaparinfo->chip_info->tmds_chip_info.i2c_port = VIA_PORT_2C;  in viafb_tmds_trasmitter_identify()
93 				  viaparinfo->chip_info->  in viafb_tmds_trasmitter_identify()
96 				  viaparinfo->chip_info->  in viafb_tmds_trasmitter_identify()
102 	viaparinfo->chip_info->tmds_chip_info.tmds_chip_name = INTEGRATED_TMDS;  in viafb_tmds_trasmitter_identify()
104 	if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) &&  in viafb_tmds_trasmitter_identify()
111 	switch (viaparinfo->chip_info->gfx_chip_name) {  in viafb_tmds_trasmitter_identify()
128 	viaparinfo->chip_info->  in viafb_tmds_trasmitter_identify()
130 	viaparinfo->chip_info->tmds_chip_info.  in viafb_tmds_trasmitter_identify()
137 	viafb_i2c_writebyte(viaparinfo->chip_info->tmds_chip_info.i2c_port,  in tmds_register_write()
138 			    viaparinfo->chip_info->tmds_chip_info.tmds_chip_target_addr,  in tmds_register_write()
146 	viafb_i2c_readbyte(viaparinfo->chip_info->tmds_chip_info.i2c_port,  in tmds_register_read()
147 			   (u8) viaparinfo->chip_info->tmds_chip_info.tmds_chip_target_addr,  in tmds_register_read()
154 	viafb_i2c_readbytes(viaparinfo->chip_info->tmds_chip_info.i2c_port,  in tmds_register_read_bytes()
155 			    (u8) viaparinfo->chip_info->tmds_chip_info.tmds_chip_target_addr,  in tmds_register_read_bytes()
160 /* DVI Set Mode */
168 	maxPixelClock = viaparinfo->shared->tmds_setting_info.max_pixel_clock;  in viafb_dvi_set_mode()
169 	if (maxPixelClock && PICOS2KHZ(var->pixclock) / 1000 > maxPixelClock) {  in viafb_dvi_set_mode()
170 		rb_mode = viafb_get_best_rb_mode(var->xres, var->yres, 60);  in viafb_dvi_set_mode()
178 /* Sense DVI Connector */
187 	if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {  in viafb_dvi_sense()
212 		/* SR3E[1]Multi-function selection:  in viafb_dvi_sense()
240 	if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {  in viafb_dvi_sense()
251 /* Query Flat Panel's EDID Table Version Through DVI Connector */
259 	restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_target_addr;  in viafb_dvi_query_EDID()
260 	viaparinfo->chip_info->tmds_chip_info.tmds_chip_target_addr = 0xA0;  in viafb_dvi_query_EDID()
265 		viaparinfo->chip_info->  in viafb_dvi_query_EDID()
283 	restore = tmds_chip->tmds_chip_target_addr;  in dvi_get_panel_size_from_DDCv1()
284 	tmds_chip->tmds_chip_target_addr = 0xA0;  in dvi_get_panel_size_from_DDCv1()
296 					tmds_setting->max_pixel_clock =  in dvi_get_panel_size_from_DDCv1()
307 	DEBUG_MSG(KERN_INFO "DVI max pixelclock = %d\n",  in dvi_get_panel_size_from_DDCv1()
308 		tmds_setting->max_pixel_clock);  in dvi_get_panel_size_from_DDCv1()
309 	tmds_chip->tmds_chip_target_addr = restore;  in dvi_get_panel_size_from_DDCv1()
312 /* If Disable DVI, turn off pad */
315 	if (viaparinfo->chip_info->  in viafb_dvi_disable()
328 	switch (viaparinfo->chip_info->gfx_chip_name) {  in dvi_patch_skew_dvp0()
331 			if ((viaparinfo->tmds_setting_info->h_active == 1600) &&  in dvi_patch_skew_dvp0()
332 				(viaparinfo->tmds_setting_info->v_active ==  in dvi_patch_skew_dvp0()
360 	switch (viaparinfo->chip_info->gfx_chip_name) {  in dvi_patch_skew_dvp_low()
388 /* If Enable DVI, turn off pad */
393 	switch (viaparinfo->chip_info->tmds_chip_info.output_interface) {  in viafb_dvi_enable()
398 		if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)  in viafb_dvi_enable()
407 		if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)  in viafb_dvi_enable()
410 		/*fix dvi cann't be enabled with MB VT5718C4 - Al Zhang */  in viafb_dvi_enable()
411 		if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)  in viafb_dvi_enable()
418 		/*fix DVI cannot enable on EPIA-M board */  in viafb_dvi_enable()
427 				viafb_i2c_writebyte(viaparinfo->chip_info->  in viafb_dvi_enable()
429 					viaparinfo->chip_info->  in viafb_dvi_enable()
437 		if (viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266)  in viafb_dvi_enable()
444 		if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)  in viafb_dvi_enable()
460 	if (viaparinfo->tmds_setting_info->iga_path == IGA2) {  in viafb_dvi_enable()