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viafb: dvi.c, dvi.h, global.c and global.h 

dvi.c, dvi.h: TMDS generic process and setting.
global.c, global.h: define global variabls.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Joseph Chan <josephchan@via.com.tw>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joseph Chan 2008-10-15 22:03:23 -07:00 committed by Linus Torvalds
parent ae35e8106a
commit c09c782f3e
4 changed files with 896 additions and 0 deletions
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682
drivers/video/via/dvi.c Normal file
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/*
* 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);
}
}

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drivers/video/via/dvi.h Normal file
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/*
* 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 __DVI_H__
#define __DVI_H__
/*Definition TMDS Device ID register*/
#define VT1632_DEVICE_ID_REG 0x02
#define VT1632_DEVICE_ID 0x92
#define GET_DVI_SIZE_BY_SYSTEM_BIOS 0x01
#define GET_DVI_SIZE_BY_VGA_BIOS 0x02
#define GET_DVI_SZIE_BY_HW_STRAPPING 0x03
/* Definition DVI Panel ID*/
/* Resolution: 640x480, Channel: single, Dithering: Enable */
#define DVI_PANEL_ID0_640X480 0x00
/* Resolution: 800x600, Channel: single, Dithering: Enable */
#define DVI_PANEL_ID1_800x600 0x01
/* Resolution: 1024x768, Channel: single, Dithering: Enable */
#define DVI_PANEL_ID1_1024x768 0x02
/* Resolution: 1280x768, Channel: single, Dithering: Enable */
#define DVI_PANEL_ID1_1280x768 0x03
/* Resolution: 1280x1024, Channel: dual, Dithering: Enable */
#define DVI_PANEL_ID1_1280x1024 0x04
/* Resolution: 1400x1050, Channel: dual, Dithering: Enable */
#define DVI_PANEL_ID1_1400x1050 0x05
/* Resolution: 1600x1200, Channel: dual, Dithering: Enable */
#define DVI_PANEL_ID1_1600x1200 0x06
/* Define the version of EDID*/
#define EDID_VERSION_1 1
#define EDID_VERSION_2 2
#define DEV_CONNECT_DVI 0x01
#define DEV_CONNECT_HDMI 0x02
struct VideoModeTable *viafb_get_cea_mode_tbl_pointer(int Index);
int viafb_dvi_sense(void);
void viafb_dvi_disable(void);
void viafb_dvi_enable(void);
int viafb_tmds_trasmitter_identify(void);
void viafb_init_dvi_size(void);
void viafb_dvi_set_mode(int video_index, int mode_bpp, int set_iga);
#endif /* __DVI_H__ */

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/*
* 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"
int viafb_platform_epia_dvi = STATE_OFF;
int viafb_device_lcd_dualedge = STATE_OFF;
int viafb_bus_width = 12;
int viafb_display_hardware_layout = HW_LAYOUT_LCD_DVI;
int viafb_memsize;
int viafb_DeviceStatus = CRT_Device;
int viafb_hotplug;
int viafb_refresh = 60;
int viafb_refresh1 = 60;
int viafb_lcd_dsp_method = LCD_EXPANDSION;
int viafb_lcd_mode = LCD_OPENLDI;
int viafb_bpp = 32;
int viafb_bpp1 = 32;
int viafb_accel = 1;
int viafb_CRT_ON = 1;
int viafb_DVI_ON;
int viafb_LCD_ON ;
int viafb_LCD2_ON;
int viafb_SAMM_ON;
int viafb_dual_fb;
int viafb_hotplug_Xres = 640;
int viafb_hotplug_Yres = 480;
int viafb_hotplug_bpp = 32;
int viafb_hotplug_refresh = 60;
unsigned int viafb_second_offset;
int viafb_second_size;
int viafb_primary_dev = None_Device;
void __iomem *viafb_FB_MM;
unsigned int viafb_second_xres = 640;
unsigned int viafb_second_yres = 480;
unsigned int viafb_second_virtual_xres;
unsigned int viafb_second_virtual_yres;
int viafb_lcd_panel_id = LCD_PANEL_ID_MAXIMUM + 1;
struct fb_cursor viacursor;
struct fb_info *viafbinfo;
struct fb_info *viafbinfo1;
struct viafb_par *viaparinfo;
struct viafb_par *viaparinfo1;

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/*
* 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 __GLOBAL_H__
#define __GLOBAL_H__
#include <linux/fb.h>
#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/io.h>
#include <linux/uaccess.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/console.h>
#include <linux/timer.h>
#include "debug.h"
#include "iface.h"
#include "viafbdev.h"
#include "chip.h"
#include "debug.h"
#include "accel.h"
#include "share.h"
#include "dvi.h"
#include "viamode.h"
#include "via_i2c.h"
#include "hw.h"
#include "lcd.h"
#include "ioctl.h"
#include "viamode.h"
#include "via_utility.h"
#include "vt1636.h"
#include "tblDPASetting.h"
#include "tbl1636.h"
#include "viafbdev.h"
/* External struct*/
extern int viafb_platform_epia_dvi;
extern int viafb_device_lcd_dualedge;
extern int viafb_bus_width;
extern int viafb_display_hardware_layout;
extern struct offset offset_reg;
extern struct viafb_par *viaparinfo;
extern struct viafb_par *viaparinfo1;
extern struct fb_info *viafbinfo;
extern struct fb_info *viafbinfo1;
extern int viafb_DeviceStatus;
extern int viafb_refresh;
extern int viafb_refresh1;
extern int viafb_lcd_dsp_method;
extern int viafb_lcd_mode;
extern int viafb_bpp;
extern int viafb_bpp1;
extern int viafb_CRT_ON;
extern int viafb_hotplug_Xres;
extern int viafb_hotplug_Yres;
extern int viafb_hotplug_bpp;
extern int viafb_hotplug_refresh;
extern int viafb_primary_dev;
extern void __iomem *viafb_FB_MM;
extern struct fb_cursor viacursor;
extern unsigned int viafb_second_xres;
extern unsigned int viafb_second_yres;
extern int viafb_lcd_panel_id;
#endif /* __GLOBAL_H__ */