}
}
-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 */