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path: root/drivers/video/via
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Diffstat (limited to 'drivers/video/via')
-rw-r--r--drivers/video/via/hw.c80
-rw-r--r--drivers/video/via/hw.h3
-rw-r--r--drivers/video/via/viafbdev.c15
3 files changed, 26 insertions, 72 deletions
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index 64a820c6d494..5be4a670596f 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -629,70 +629,23 @@ void viafb_set_iga_path(void)
}
}
-void viafb_set_start_addr(void)
+void viafb_set_primary_address(u32 addr)
{
- unsigned long offset = 0, tmp = 0, size = 0;
- unsigned long length;
-
- DEBUG_MSG(KERN_INFO "viafb_set_start_addr!\n");
- viafb_unlock_crt();
- /* update starting address of IGA1 */
- viafb_write_reg(CR0C, VIACR, 0x00); /*initial starting address */
- viafb_write_reg(CR0D, VIACR, 0x00);
- viafb_write_reg(CR34, VIACR, 0x00);
- viafb_write_reg_mask(CR48, VIACR, 0x00, 0x1F);
-
- if (viafb_dual_fb) {
- viaparinfo->iga_path = IGA1;
- viaparinfo1->iga_path = IGA2;
- }
-
- if (viafb_SAMM_ON == 1) {
- if (!viafb_dual_fb) {
- if (viafb_second_size)
- size = viafb_second_size * 1024 * 1024;
- else
- size = 8 * 1024 * 1024;
- } else {
-
- size = viaparinfo1->memsize;
- }
- offset = viafb_second_offset;
- DEBUG_MSG(KERN_INFO
- "viafb_second_size=%lx, second start_adddress=%lx\n",
- size, offset);
- }
- if (viafb_SAMM_ON == 1) {
- offset = offset >> 3;
-
- tmp = viafb_read_reg(VIACR, 0x62) & 0x01;
- tmp |= (offset & 0x7F) << 1;
- viafb_write_reg(CR62, VIACR, tmp);
- viafb_write_reg(CR63, VIACR, ((offset & 0x7F80) >> 7));
- viafb_write_reg(CR64, VIACR, ((offset & 0x7F8000) >> 15));
- viafb_write_reg(CRA3, VIACR, ((offset & 0x3800000) >> 23));
- } else {
- /* update starting address */
- viafb_write_reg(CR62, VIACR, 0x00);
- viafb_write_reg(CR63, VIACR, 0x00);
- viafb_write_reg(CR64, VIACR, 0x00);
- viafb_write_reg(CRA3, VIACR, 0x00);
- }
-
- if (viafb_SAMM_ON == 1) {
- if (viafb_accel) {
- if (!viafb_dual_fb)
- length = size - viaparinfo->fbmem_used;
- else
- length = size - viaparinfo1->fbmem_used;
- } else
- length = size;
- offset = (unsigned long)(void *)viafb_FB_MM +
- viafb_second_offset;
- memset((void *)offset, 0, length);
- }
+ 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);
+}
- viafb_lock_crt();
+void viafb_set_secondary_address(u32 addr)
+{
+ DEBUG_MSG(KERN_DEBUG "viafb_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);
}
void viafb_set_output_path(int device, int set_iga, int output_interface)
@@ -2288,7 +2241,8 @@ int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp,
outb(VPIT.SR[i - 1], VIASR + 1);
}
- viafb_set_start_addr();
+ viafb_set_primary_address(0);
+ viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
viafb_set_iga_path();
/* Write CRTC */
diff --git a/drivers/video/via/hw.h b/drivers/video/via/hw.h
index 6ff38fa8569a..874ea3fc290d 100644
--- a/drivers/video/via/hw.h
+++ b/drivers/video/via/hw.h
@@ -927,7 +927,8 @@ void viafb_get_mmio_info(unsigned long *mmio_base,
unsigned long *mmio_len);
void viafb_set_iga_path(void);
-void viafb_set_start_addr(void);
+void viafb_set_primary_address(u32 addr);
+void viafb_set_secondary_address(u32 addr);
void viafb_get_fb_info(unsigned int *fb_base, unsigned int *fb_len);
#endif /* __HW_H__ */
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 6612ddc2dcd9..743eed48a5f7 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -481,12 +481,7 @@ static int viafb_pan_display(struct fb_var_screeninfo *var,
var->bits_per_pixel / 16;
DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset);
-
- viafb_write_reg_mask(0x48, 0x3d4, ((offset >> 24) & 0x3), 0x3);
- viafb_write_reg_mask(0x34, 0x3d4, ((offset >> 16) & 0xff), 0xff);
- viafb_write_reg_mask(0x0c, 0x3d4, ((offset >> 8) & 0xff), 0xff);
- viafb_write_reg_mask(0x0d, 0x3d4, (offset & 0xff), 0xff);
-
+ viafb_set_primary_address(offset);
return 0;
}
@@ -1353,7 +1348,8 @@ 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_start_addr();
+ viafb_set_primary_address(0);
+ viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
viafb_set_iga_path();
}
@@ -1537,7 +1533,8 @@ static int apply_device_setting(struct viafb_ioctl_setting setting_info,
if (viafb_SAMM_ON)
viafb_primary_dev = setting_info.primary_device;
- viafb_set_start_addr();
+ viafb_set_primary_address(0);
+ viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
viafb_set_iga_path();
}
need_set_mode = 1;
@@ -2275,6 +2272,8 @@ static int __devinit via_pci_probe(void)
viafb_second_offset;
}
+ viaparinfo->iga_path = IGA1;
+ viaparinfo1->iga_path = IGA2;
memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
viafbinfo1->screen_base = viafbinfo->screen_base +
viafb_second_offset;