viafb: move some modesetting functions to a seperate file
viafb: move some modesetting functions to a seperate file This patch moves the modesetting functions which are already cleaned up to a seperate file. Just the beginning to bring some structure in this mess. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Florian Tobias Schandinat
Jonathan Corbet
parent
2749413db1
commit
100e74a150
|
|
@ -6,5 +6,4 @@ obj-$(CONFIG_FB_VIA) += viafb.o
|
|||
|
||||
viafb-y :=viafbdev.o hw.o via_i2c.o dvi.o lcd.o ioctl.o accel.o \
|
||||
via_utility.o vt1636.o global.o tblDPASetting.o viamode.o tbl1636.o \
|
||||
via-core.o via-gpio.o
|
||||
|
||||
via-core.o via-gpio.o via_modesetting.o
|
||||
|
|
|
|||
|
|
@ -624,102 +624,6 @@ void viafb_set_iga_path(void)
|
|||
}
|
||||
}
|
||||
|
||||
void via_set_primary_address(u32 addr)
|
||||
{
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_primary_address(0x%08X)\n", addr);
|
||||
via_write_reg(VIACR, 0x0D, addr & 0xFF);
|
||||
via_write_reg(VIACR, 0x0C, (addr >> 8) & 0xFF);
|
||||
via_write_reg(VIACR, 0x34, (addr >> 16) & 0xFF);
|
||||
via_write_reg_mask(VIACR, 0x48, (addr >> 24) & 0x1F, 0x1F);
|
||||
}
|
||||
|
||||
void via_set_secondary_address(u32 addr)
|
||||
{
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_secondary_address(0x%08X)\n", addr);
|
||||
/* secondary display supports only quadword aligned memory */
|
||||
via_write_reg_mask(VIACR, 0x62, (addr >> 2) & 0xFE, 0xFE);
|
||||
via_write_reg(VIACR, 0x63, (addr >> 10) & 0xFF);
|
||||
via_write_reg(VIACR, 0x64, (addr >> 18) & 0xFF);
|
||||
via_write_reg_mask(VIACR, 0xA3, (addr >> 26) & 0x07, 0x07);
|
||||
}
|
||||
|
||||
void via_set_primary_pitch(u32 pitch)
|
||||
{
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_primary_pitch(0x%08X)\n", pitch);
|
||||
/* spec does not say that first adapter skips 3 bits but old
|
||||
* code did it and seems to be reasonable in analogy to 2nd adapter
|
||||
*/
|
||||
pitch = pitch >> 3;
|
||||
via_write_reg(VIACR, 0x13, pitch & 0xFF);
|
||||
via_write_reg_mask(VIACR, 0x35, (pitch >> (8 - 5)) & 0xE0, 0xE0);
|
||||
}
|
||||
|
||||
void via_set_secondary_pitch(u32 pitch)
|
||||
{
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_secondary_pitch(0x%08X)\n", pitch);
|
||||
pitch = pitch >> 3;
|
||||
via_write_reg(VIACR, 0x66, pitch & 0xFF);
|
||||
via_write_reg_mask(VIACR, 0x67, (pitch >> 8) & 0x03, 0x03);
|
||||
via_write_reg_mask(VIACR, 0x71, (pitch >> (10 - 7)) & 0x80, 0x80);
|
||||
}
|
||||
|
||||
void via_set_primary_color_depth(u8 depth)
|
||||
{
|
||||
u8 value;
|
||||
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_primary_color_depth(%d)\n", depth);
|
||||
switch (depth) {
|
||||
case 8:
|
||||
value = 0x00;
|
||||
break;
|
||||
case 15:
|
||||
value = 0x04;
|
||||
break;
|
||||
case 16:
|
||||
value = 0x14;
|
||||
break;
|
||||
case 24:
|
||||
value = 0x0C;
|
||||
break;
|
||||
case 30:
|
||||
value = 0x08;
|
||||
break;
|
||||
default:
|
||||
printk(KERN_WARNING "via_set_primary_color_depth: "
|
||||
"Unsupported depth: %d\n", depth);
|
||||
return;
|
||||
}
|
||||
|
||||
via_write_reg_mask(VIASR, 0x15, value, 0x1C);
|
||||
}
|
||||
|
||||
void via_set_secondary_color_depth(u8 depth)
|
||||
{
|
||||
u8 value;
|
||||
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_secondary_color_depth(%d)\n", depth);
|
||||
switch (depth) {
|
||||
case 8:
|
||||
value = 0x00;
|
||||
break;
|
||||
case 16:
|
||||
value = 0x40;
|
||||
break;
|
||||
case 24:
|
||||
value = 0xC0;
|
||||
break;
|
||||
case 30:
|
||||
value = 0x80;
|
||||
break;
|
||||
default:
|
||||
printk(KERN_WARNING "via_set_secondary_color_depth: "
|
||||
"Unsupported depth: %d\n", depth);
|
||||
return;
|
||||
}
|
||||
|
||||
via_write_reg_mask(VIACR, 0x67, value, 0xC0);
|
||||
}
|
||||
|
||||
static void set_color_register(u8 index, u8 red, u8 green, u8 blue)
|
||||
{
|
||||
outb(0xFF, 0x3C6); /* bit mask of palette */
|
||||
|
|
|
|||
|
|
@ -25,6 +25,7 @@
|
|||
#include "viamode.h"
|
||||
#include "global.h"
|
||||
#include "via_io.h"
|
||||
#include "via_modesetting.h"
|
||||
|
||||
#define viafb_read_reg(p, i) via_read_reg(p, i)
|
||||
#define viafb_write_reg(i, p, d) via_write_reg(p, i, d)
|
||||
|
|
@ -910,10 +911,6 @@ void viafb_update_device_setting(int hres, int vres, int bpp,
|
|||
int vmode_refresh, int flag);
|
||||
|
||||
void viafb_set_iga_path(void);
|
||||
void via_set_primary_address(u32 addr);
|
||||
void via_set_secondary_address(u32 addr);
|
||||
void via_set_primary_pitch(u32 pitch);
|
||||
void via_set_secondary_pitch(u32 pitch);
|
||||
void viafb_set_primary_color_register(u8 index, u8 red, u8 green, u8 blue);
|
||||
void viafb_set_secondary_color_register(u8 index, u8 red, u8 green, u8 blue);
|
||||
void viafb_get_fb_info(unsigned int *fb_base, unsigned int *fb_len);
|
||||
|
|
|
|||
|
|
@ -0,0 +1,126 @@
|
|||
/*
|
||||
* Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
|
||||
* Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
|
||||
* Copyright 2010 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
/*
|
||||
* basic modesetting functions
|
||||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include "via_modesetting.h"
|
||||
#include "via_io.h"
|
||||
#include "share.h"
|
||||
#include "debug.h"
|
||||
|
||||
void via_set_primary_address(u32 addr)
|
||||
{
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_primary_address(0x%08X)\n", addr);
|
||||
via_write_reg(VIACR, 0x0D, addr & 0xFF);
|
||||
via_write_reg(VIACR, 0x0C, (addr >> 8) & 0xFF);
|
||||
via_write_reg(VIACR, 0x34, (addr >> 16) & 0xFF);
|
||||
via_write_reg_mask(VIACR, 0x48, (addr >> 24) & 0x1F, 0x1F);
|
||||
}
|
||||
|
||||
void via_set_secondary_address(u32 addr)
|
||||
{
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_secondary_address(0x%08X)\n", addr);
|
||||
/* secondary display supports only quadword aligned memory */
|
||||
via_write_reg_mask(VIACR, 0x62, (addr >> 2) & 0xFE, 0xFE);
|
||||
via_write_reg(VIACR, 0x63, (addr >> 10) & 0xFF);
|
||||
via_write_reg(VIACR, 0x64, (addr >> 18) & 0xFF);
|
||||
via_write_reg_mask(VIACR, 0xA3, (addr >> 26) & 0x07, 0x07);
|
||||
}
|
||||
|
||||
void via_set_primary_pitch(u32 pitch)
|
||||
{
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_primary_pitch(0x%08X)\n", pitch);
|
||||
/* spec does not say that first adapter skips 3 bits but old
|
||||
* code did it and seems to be reasonable in analogy to 2nd adapter
|
||||
*/
|
||||
pitch = pitch >> 3;
|
||||
via_write_reg(VIACR, 0x13, pitch & 0xFF);
|
||||
via_write_reg_mask(VIACR, 0x35, (pitch >> (8 - 5)) & 0xE0, 0xE0);
|
||||
}
|
||||
|
||||
void via_set_secondary_pitch(u32 pitch)
|
||||
{
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_secondary_pitch(0x%08X)\n", pitch);
|
||||
pitch = pitch >> 3;
|
||||
via_write_reg(VIACR, 0x66, pitch & 0xFF);
|
||||
via_write_reg_mask(VIACR, 0x67, (pitch >> 8) & 0x03, 0x03);
|
||||
via_write_reg_mask(VIACR, 0x71, (pitch >> (10 - 7)) & 0x80, 0x80);
|
||||
}
|
||||
|
||||
void via_set_primary_color_depth(u8 depth)
|
||||
{
|
||||
u8 value;
|
||||
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_primary_color_depth(%d)\n", depth);
|
||||
switch (depth) {
|
||||
case 8:
|
||||
value = 0x00;
|
||||
break;
|
||||
case 15:
|
||||
value = 0x04;
|
||||
break;
|
||||
case 16:
|
||||
value = 0x14;
|
||||
break;
|
||||
case 24:
|
||||
value = 0x0C;
|
||||
break;
|
||||
case 30:
|
||||
value = 0x08;
|
||||
break;
|
||||
default:
|
||||
printk(KERN_WARNING "via_set_primary_color_depth: "
|
||||
"Unsupported depth: %d\n", depth);
|
||||
return;
|
||||
}
|
||||
|
||||
via_write_reg_mask(VIASR, 0x15, value, 0x1C);
|
||||
}
|
||||
|
||||
void via_set_secondary_color_depth(u8 depth)
|
||||
{
|
||||
u8 value;
|
||||
|
||||
DEBUG_MSG(KERN_DEBUG "via_set_secondary_color_depth(%d)\n", depth);
|
||||
switch (depth) {
|
||||
case 8:
|
||||
value = 0x00;
|
||||
break;
|
||||
case 16:
|
||||
value = 0x40;
|
||||
break;
|
||||
case 24:
|
||||
value = 0xC0;
|
||||
break;
|
||||
case 30:
|
||||
value = 0x80;
|
||||
break;
|
||||
default:
|
||||
printk(KERN_WARNING "via_set_secondary_color_depth: "
|
||||
"Unsupported depth: %d\n", depth);
|
||||
return;
|
||||
}
|
||||
|
||||
via_write_reg_mask(VIACR, 0x67, value, 0xC0);
|
||||
}
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
/*
|
||||
* Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
|
||||
* Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
|
||||
* Copyright 2010 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
/*
|
||||
* basic modesetting functions
|
||||
*/
|
||||
|
||||
#ifndef __VIA_MODESETTING_H__
|
||||
#define __VIA_MODESETTING_H__
|
||||
|
||||
#include <linux/types.h>
|
||||
|
||||
void via_set_primary_address(u32 addr);
|
||||
void via_set_secondary_address(u32 addr);
|
||||
void via_set_primary_pitch(u32 pitch);
|
||||
void via_set_secondary_pitch(u32 pitch);
|
||||
void via_set_primary_color_depth(u8 depth);
|
||||
void via_set_secondary_color_depth(u8 depth);
|
||||
|
||||
#endif /* __VIA_MODESETTING_H__ */
|
||||
Loading…
Reference in New Issue