X60: trigger save cmos on volume/brightness change

Change-Id: I020e06bc311c4e4327c9d3cf2c379dc8fe070a7a
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Reviewed-on: http://review.coreboot.org/25
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/lib/Makefile.inc

@@ -36,7 +36,7 @@ ramstage-$(CONFIG_BOOTSPLASH) += jpeg.c
 
 driver-$(CONFIG_CONSOLE_NE2K) += ne2k.c
 
-smm-y += memcpy.c
+smm-y += memcpy.c cbfs.c memset.c memcmp.c
 smm-$(CONFIG_CONSOLE_SERIAL8250) += uart8250.c
 smm-$(CONFIG_CONSOLE_SERIAL8250MEM) += uart8250mem.c
 

src/lib/cbfs.c

@@ -25,34 +25,6 @@
 #include <arch/byteorder.h>
 
 
-/**
- * Decompression wrapper for CBFS
- * @param algo
- * @param src
- * @param dst
- * @param len
- * @return 0 on success, -1 on failure
- */
-static int cbfs_decompress(int algo, void *src, void *dst, int len)
-{
-	switch(algo) {
-	case CBFS_COMPRESS_NONE:
-		memcpy(dst, src, len);
-		return 0;
-
-	case CBFS_COMPRESS_LZMA:
-		if (!ulzma(src, dst)) {
-			printk(BIOS_ERR, "CBFS: LZMA decompression failed!\n");
-			return -1;
-		}
-		return 0;
-
-	default:
-		printk(BIOS_INFO,  "CBFS:  Unknown compression type %d\n", algo);
-		return -1;
-	}
-}
-
 static int cbfs_check_magic(struct cbfs_file *file)
 {
 	return !strcmp(file->magic, CBFS_FILE_MAGIC) ? 1 : 0;
@@ -132,6 +104,7 @@ void *cbfs_find_file(const char *name, int type)
 	return (void *) CBFS_SUBHEADER(file);
 }
 
+#ifndef __SMM__
 static inline int tohex4(unsigned int c)
 {
 	return (c<=9)?(c+'0'):(c-10+'a');
@@ -145,6 +118,34 @@ static void tohex16(unsigned int val, char* dest)
 	dest[3]=tohex4(val & 0xf);
 }
 
+/**
+ * Decompression wrapper for CBFS
+ * @param algo
+ * @param src
+ * @param dst
+ * @param len
+ * @return 0 on success, -1 on failure
+ */
+static int cbfs_decompress(int algo, void *src, void *dst, int len)
+{
+	switch(algo) {
+	case CBFS_COMPRESS_NONE:
+		memcpy(dst, src, len);
+		return 0;
+
+	case CBFS_COMPRESS_LZMA:
+		if (!ulzma(src, dst)) {
+			printk(BIOS_ERR, "CBFS: LZMA decompression failed!\n");
+			return -1;
+		}
+		return 0;
+	default:
+		printk(BIOS_INFO,  "CBFS:  Unknown compression type %d\n", algo);
+		return -1;
+	}
+}
+
+
 void *cbfs_load_optionrom(u16 vendor, u16 device, void * dest)
 {
 	char name[17]="pciXXXX,XXXX.rom";
@@ -246,4 +247,4 @@ int run_address(void *f)
 	v = f;
 	return v();
 }
-
+#endif

src/mainboard/lenovo/x60/acpi/ec.asl

@@ -1 +1,24 @@
 #include <ec/lenovo/h8/acpi/ec.asl>
+
+Scope(\_SB.PCI0.LPCB.EC)
+{
+	/* Volume down */
+	Method(_Q1C, 0, NotSerialized)
+	{
+		Trap(SMI_SAVE_CMOS)
+	}
+
+	/* Volume up */
+	Method(_Q1D, 0, NotSerialized)
+	{
+		Trap(SMI_SAVE_CMOS)
+	}
+
+	/* Mute key pressed */
+	Method(_Q1E, 0, NotSerialized)
+	{
+		Trap(SMI_SAVE_CMOS)
+	}
+
+
+}

src/mainboard/lenovo/x60/acpi/video.asl

@@ -19,6 +19,8 @@
  * MA 02110-1301 USA
  */
 
+#include "smi.h"
+
 Device (DSPC)
 {
 	Name (_ADR, 0x00020001)
@@ -36,6 +38,7 @@ Device (DSPC)
 		{
 			Subtract(Local0, 16, Local0)
 			Store(Local0, BRTC)
+			Trap(SMI_SAVE_CMOS)
 		}
 	}
 
@@ -46,6 +49,7 @@ Device (DSPC)
 		{
 			Add (Local0, 16, Local0)
 			Store(Local0, BRTC)
+			Trap(SMI_SAVE_CMOS)
 		}
 	}
 }

src/mainboard/lenovo/x60/cmos.layout

@@ -108,6 +108,7 @@ entries
 1052         4       r       0        C1DRT1
 
 1064         8       h       0        volume
+1072         8       h       0        tft_brightness
 # -----------------------------------------------------------------
 
 enumerations

src/mainboard/lenovo/x60/mainboard_smi.c

@@ -25,6 +25,8 @@
 #include <cpu/x86/smm.h>
 #include "southbridge/intel/i82801gx/nvs.h"
 #include <ec/acpi/ec.h>
+#include <pc80/mc146818rtc.h>
+#include <ec/lenovo/h8/h8.h>
 #include "dock.h"
 #include "smi.h"
 
@@ -38,7 +40,25 @@ static void mainboard_smm_init(void)
 	printk(BIOS_DEBUG, "initializing SMI\n");
 	/* Enable 0x1600/0x1600 register pair */
 	ec_set_bit(0x00, 0x05);
-	ec_set_ports(0x1604, 0x1600);
+}
+
+static void mainboard_smi_save_cmos(void)
+{
+	u8 val;
+	u8 tmp70, tmp72, tmpcf8;
+
+	tmp70 = inb(0x70);
+	tmp72 = inb(0x72);
+	tmpcf8 = inl(0xcf8);
+
+	val = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4);
+	set_option("tft_brightness", &val);
+	val = ec_read(H8_VOLUME_CONTROL);
+	set_option("volume", &val);
+
+	outb(tmp70, 0x70);
+	outb(tmp72, 0x72);
+	outb(tmpcf8, 0xcf8);
 }
 
 int mainboard_io_trap_handler(int smif)
@@ -67,6 +87,9 @@ int mainboard_io_trap_handler(int smif)
 		ec_write(0x0c, 0x08);
 		break;
 
+	case SMI_SAVE_CMOS:
+		mainboard_smi_save_cmos();
+		break;
 	default:
 		return 0;
 	}

src/mainboard/lenovo/x60/smi.h

@@ -3,5 +3,6 @@
 
 #define SMI_DOCK_CONNECT 0x01
 #define SMI_DOCK_DISCONNECT 0x02
+#define SMI_SAVE_CMOS	0x03
 
 #endif

src/pc80/Makefile.inc

@@ -11,3 +11,4 @@ cbfs-files-$(CONFIG_HAVE_CMOS_DEFAULT) += cmos.default
 cmos.default-file = $(CONFIG_CMOS_DEFAULT_FILE)
 cmos.default-type = 0xaa
 
+smm-y += mc146818rtc.c