From a2a906e47a87acc3acdca0ee2790ff96409b9b46 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Mon, 1 Sep 2014 01:41:37 +0200
Subject: Consolidate intel vga int15 hooks

Change-Id: I9366dded98bf15f6da44ce893dd10698ba09fd55
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6820
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
---
 src/mainboard/google/falco/Kconfig     |  1 +
 src/mainboard/google/falco/mainboard.c | 95 +---------------------------------
 2 files changed, 3 insertions(+), 93 deletions(-)

(limited to 'src/mainboard/google/falco')

diff --git a/src/mainboard/google/falco/Kconfig b/src/mainboard/google/falco/Kconfig
index 9a62efa147..3323fc2220 100644
--- a/src/mainboard/google/falco/Kconfig
+++ b/src/mainboard/google/falco/Kconfig
@@ -19,6 +19,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select EXTERNAL_MRC_BLOB
 	select MONOTONIC_TIMER_MSR
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
+	select INTEL_INT15
 
 config VBOOT_RAMSTAGE_INDEX
 	hex
diff --git a/src/mainboard/google/falco/mainboard.c b/src/mainboard/google/falco/mainboard.c
index 824b1ff3b4..acb975042b 100644
--- a/src/mainboard/google/falco/mainboard.c
+++ b/src/mainboard/google/falco/mainboard.c
@@ -26,9 +26,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -46,92 +44,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-	       __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch ((X86_CX >> 8) & 0xff) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG,
-			       "Unknown INT15 5f70 function: 0x%02x\n",
-				((X86_CX >> 8) & 0xff));
-			break;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -190,10 +102,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 	dev->ops->get_smbios_data = mainboard_smbios_data;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
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