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viafb: unify modesetting functions

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viafb: unify modesetting functions

This patch unifies some cleaned up modesetting functions to prepare for
moving them to an extra file. This includes make them use via_io and
changing there names to reflect that they do not depend on anything
framebuffer specific.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Florian Tobias Schandinat 2010-04-17 19:44:52 +00:00 committed by Jonathan Corbet
parent c2b12cd496
commit 2749413db1
3 changed files with 46 additions and 45 deletions
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66
drivers/video/via/hw.c
View file

@ -624,50 +624,50 @@ void viafb_set_iga_path(void)
}
}
void viafb_set_primary_address(u32 addr)
void via_set_primary_address(u32 addr)
{
DEBUG_MSG(KERN_DEBUG "viafb_set_primary_address(0x%08X)\n", addr);
viafb_write_reg(CR0D, VIACR, addr & 0xFF);
viafb_write_reg(CR0C, VIACR, (addr >> 8) & 0xFF);
viafb_write_reg(CR34, VIACR, (addr >> 16) & 0xFF);
viafb_write_reg_mask(CR48, VIACR, (addr >> 24) & 0x1F, 0x1F);
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 viafb_set_secondary_address(u32 addr)
void via_set_secondary_address(u32 addr)
{
DEBUG_MSG(KERN_DEBUG "viafb_set_secondary_address(0x%08X)\n", addr);
DEBUG_MSG(KERN_DEBUG "via_set_secondary_address(0x%08X)\n", addr);
/* secondary display supports only quadword aligned memory */
viafb_write_reg_mask(CR62, VIACR, (addr >> 2) & 0xFE, 0xFE);
viafb_write_reg(CR63, VIACR, (addr >> 10) & 0xFF);
viafb_write_reg(CR64, VIACR, (addr >> 18) & 0xFF);
viafb_write_reg_mask(CRA3, VIACR, (addr >> 26) & 0x07, 0x07);
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 viafb_set_primary_pitch(u32 pitch)
void via_set_primary_pitch(u32 pitch)
{
DEBUG_MSG(KERN_DEBUG "viafb_set_primary_pitch(0x%08X)\n", 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;
viafb_write_reg(0x13, VIACR, pitch & 0xFF);
viafb_write_reg_mask(0x35, VIACR, (pitch >> (8 - 5)) & 0xE0, 0xE0);
via_write_reg(VIACR, 0x13, pitch & 0xFF);
via_write_reg_mask(VIACR, 0x35, (pitch >> (8 - 5)) & 0xE0, 0xE0);
}
void viafb_set_secondary_pitch(u32 pitch)
void via_set_secondary_pitch(u32 pitch)
{
DEBUG_MSG(KERN_DEBUG "viafb_set_secondary_pitch(0x%08X)\n", pitch);
DEBUG_MSG(KERN_DEBUG "via_set_secondary_pitch(0x%08X)\n", pitch);
pitch = pitch >> 3;
viafb_write_reg(0x66, VIACR, pitch & 0xFF);
viafb_write_reg_mask(0x67, VIACR, (pitch >> 8) & 0x03, 0x03);
viafb_write_reg_mask(0x71, VIACR, (pitch >> (10 - 7)) & 0x80, 0x80);
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 viafb_set_primary_color_depth(u8 depth)
void via_set_primary_color_depth(u8 depth)
{
u8 value;
DEBUG_MSG(KERN_DEBUG "viafb_set_primary_color_depth(%d)\n", depth);
DEBUG_MSG(KERN_DEBUG "via_set_primary_color_depth(%d)\n", depth);
switch (depth) {
case 8:
value = 0x00;
@ -685,19 +685,19 @@ void viafb_set_primary_color_depth(u8 depth)
value = 0x08;
break;
default:
printk(KERN_WARNING "viafb_set_primary_color_depth: "
printk(KERN_WARNING "via_set_primary_color_depth: "
"Unsupported depth: %d\n", depth);
return;
}
viafb_write_reg_mask(0x15, VIASR, value, 0x1C);
via_write_reg_mask(VIASR, 0x15, value, 0x1C);
}
void viafb_set_secondary_color_depth(u8 depth)
void via_set_secondary_color_depth(u8 depth)
{
u8 value;
DEBUG_MSG(KERN_DEBUG "viafb_set_secondary_color_depth(%d)\n", depth);
DEBUG_MSG(KERN_DEBUG "via_set_secondary_color_depth(%d)\n", depth);
switch (depth) {
case 8:
value = 0x00;
@ -712,12 +712,12 @@ void viafb_set_secondary_color_depth(u8 depth)
value = 0x80;
break;
default:
printk(KERN_WARNING "viafb_set_secondary_color_depth: "
printk(KERN_WARNING "via_set_secondary_color_depth: "
"Unsupported depth: %d\n", depth);
return;
}
viafb_write_reg_mask(0x67, VIACR, value, 0xC0);
via_write_reg_mask(VIACR, 0x67, value, 0xC0);
}
static void set_color_register(u8 index, u8 red, u8 green, u8 blue)
@ -2268,11 +2268,11 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
}
}
viafb_set_primary_pitch(viafbinfo->fix.line_length);
viafb_set_secondary_pitch(viafb_dual_fb ? viafbinfo1->fix.line_length
via_set_primary_pitch(viafbinfo->fix.line_length);
via_set_secondary_pitch(viafb_dual_fb ? viafbinfo1->fix.line_length
: viafbinfo->fix.line_length);
viafb_set_primary_color_depth(viaparinfo->depth);
viafb_set_secondary_color_depth(viafb_dual_fb ? viaparinfo1->depth
via_set_primary_color_depth(viaparinfo->depth);
via_set_secondary_color_depth(viafb_dual_fb ? viaparinfo1->depth
: viaparinfo->depth);
/* Update Refresh Rate Setting */

8
drivers/video/via/hw.h
View file

@ -910,10 +910,10 @@ void viafb_update_device_setting(int hres, int vres, int bpp,
int vmode_refresh, int flag);
void viafb_set_iga_path(void);
void viafb_set_primary_address(u32 addr);
void viafb_set_secondary_address(u32 addr);
void viafb_set_primary_pitch(u32 pitch);
void viafb_set_secondary_pitch(u32 pitch);
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);

17
drivers/video/via/viafbdev.c
View file

@ -317,12 +317,12 @@ static int viafb_pan_display(struct fb_var_screeninfo *var,
DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
if (!viafb_dual_fb) {
viafb_set_primary_address(vram_addr);
viafb_set_secondary_address(vram_addr);
via_set_primary_address(vram_addr);
via_set_secondary_address(vram_addr);
} else if (viapar->iga_path == IGA1)
viafb_set_primary_address(vram_addr);
via_set_primary_address(vram_addr);
else
viafb_set_secondary_address(vram_addr);
via_set_secondary_address(vram_addr);
return 0;
}
@ -1018,8 +1018,8 @@ static void viafb_set_device(struct device_t active_dev)
viafb_SAMM_ON = active_dev.samm;
viafb_primary_dev = active_dev.primary_dev;
viafb_set_primary_address(0);
viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
via_set_primary_address(0);
via_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
viafb_set_iga_path();
}
@ -1165,8 +1165,9 @@ static int apply_device_setting(struct viafb_ioctl_setting setting_info,
if (viafb_SAMM_ON)
viafb_primary_dev = setting_info.primary_device;
viafb_set_primary_address(0);
viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
via_set_primary_address(0);
via_set_secondary_address(viafb_SAMM_ON ?
viafb_second_offset : 0);
viafb_set_iga_path();
}
need_set_mode = 1;