Merge branch 'for-5.11/elecom' into for-linus

- support for EX-G M-XGL20DLBK device, from YOSHIOKA Takuma

4 files changed, 174 insertions, 22 deletions

diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
index 02411d89cb46..5bc86f481a78 100644
--- a/drivers/video/fbdev/hyperv_fb.c
+++ b/drivers/video/fbdev/hyperv_fb.c
@@ -47,6 +47,7 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/vmalloc.h>
 #include <linux/init.h>
 #include <linux/completion.h>
 #include <linux/fb.h>
@@ -1114,8 +1115,15 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
 getmem_done:
 	remove_conflicting_framebuffers(info->apertures,
 					KBUILD_MODNAME, false);
-	if (!gen2vm)
+
+	if (gen2vm) {
+		/* framebuffer is reallocated, clear screen_info to avoid misuse from kexec */
+		screen_info.lfb_size = 0;
+		screen_info.lfb_base = 0;
+		screen_info.orig_video_isVGA = 0;
+	} else {
 		pci_dev_put(pdev);
+	}
 	kfree(info->apertures);
 
 	return 0;
diff --git a/drivers/video/fbdev/s3c2410fb-regs-lcd.h b/drivers/video/fbdev/s3c2410fb-regs-lcd.h
new file mode 100644
index 000000000000..1e46f7a788e5
--- /dev/null
+++ b/drivers/video/fbdev/s3c2410fb-regs-lcd.h
@@ -0,0 +1,143 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2003 Simtec Electronics <linux@simtec.co.uk>
+ *		      http://www.simtec.co.uk/products/SWLINUX/
+ */
+
+#ifndef ___ASM_ARCH_REGS_LCD_H
+#define ___ASM_ARCH_REGS_LCD_H
+
+/*
+ * a couple of values are used as platform data in
+ * include/linux/platform_data/fb-s3c2410.h and not
+ * duplicated here.
+ */
+#include <linux/platform_data/fb-s3c2410.h>
+
+#define S3C2410_LCDREG(x)	(x)
+
+/* LCD control registers */
+#define S3C2410_LCDCON1	    S3C2410_LCDREG(0x00)
+#define S3C2410_LCDCON2	    S3C2410_LCDREG(0x04)
+#define S3C2410_LCDCON3	    S3C2410_LCDREG(0x08)
+#define S3C2410_LCDCON4	    S3C2410_LCDREG(0x0C)
+#define S3C2410_LCDCON5	    S3C2410_LCDREG(0x10)
+
+#define S3C2410_LCDCON1_CLKVAL(x)  ((x) << 8)
+#define S3C2410_LCDCON1_MMODE	   (1<<7)
+#define S3C2410_LCDCON1_DSCAN4	   (0<<5)
+#define S3C2410_LCDCON1_STN4	   (1<<5)
+#define S3C2410_LCDCON1_STN8	   (2<<5)
+#define S3C2410_LCDCON1_TFT	   (3<<5)
+
+#define S3C2410_LCDCON1_STN1BPP	   (0<<1)
+#define S3C2410_LCDCON1_STN2GREY   (1<<1)
+#define S3C2410_LCDCON1_STN4GREY   (2<<1)
+#define S3C2410_LCDCON1_STN8BPP	   (3<<1)
+#define S3C2410_LCDCON1_STN12BPP   (4<<1)
+
+#define S3C2410_LCDCON1_ENVID	   (1)
+
+#define S3C2410_LCDCON1_MODEMASK    0x1E
+
+#define S3C2410_LCDCON2_VBPD(x)	    ((x) << 24)
+#define S3C2410_LCDCON2_LINEVAL(x)  ((x) << 14)
+#define S3C2410_LCDCON2_VFPD(x)	    ((x) << 6)
+#define S3C2410_LCDCON2_VSPW(x)	    ((x) << 0)
+
+#define S3C2410_LCDCON2_GET_VBPD(x) ( ((x) >> 24) & 0xFF)
+#define S3C2410_LCDCON2_GET_VFPD(x) ( ((x) >>  6) & 0xFF)
+#define S3C2410_LCDCON2_GET_VSPW(x) ( ((x) >>  0) & 0x3F)
+
+#define S3C2410_LCDCON3_HBPD(x)	    ((x) << 19)
+#define S3C2410_LCDCON3_WDLY(x)	    ((x) << 19)
+#define S3C2410_LCDCON3_HOZVAL(x)   ((x) << 8)
+#define S3C2410_LCDCON3_HFPD(x)	    ((x) << 0)
+#define S3C2410_LCDCON3_LINEBLANK(x)((x) << 0)
+
+#define S3C2410_LCDCON3_GET_HBPD(x) ( ((x) >> 19) & 0x7F)
+#define S3C2410_LCDCON3_GET_HFPD(x) ( ((x) >>  0) & 0xFF)
+
+/* LDCCON4 changes for STN mode on the S3C2412 */
+
+#define S3C2410_LCDCON4_MVAL(x)	    ((x) << 8)
+#define S3C2410_LCDCON4_HSPW(x)	    ((x) << 0)
+#define S3C2410_LCDCON4_WLH(x)	    ((x) << 0)
+
+#define S3C2410_LCDCON4_GET_HSPW(x) ( ((x) >>  0) & 0xFF)
+
+/* framebuffer start addressed */
+#define S3C2410_LCDSADDR1   S3C2410_LCDREG(0x14)
+#define S3C2410_LCDSADDR2   S3C2410_LCDREG(0x18)
+#define S3C2410_LCDSADDR3   S3C2410_LCDREG(0x1C)
+
+#define S3C2410_LCDBANK(x)	((x) << 21)
+#define S3C2410_LCDBASEU(x)	(x)
+
+#define S3C2410_OFFSIZE(x)	((x) << 11)
+#define S3C2410_PAGEWIDTH(x)	(x)
+
+/* colour lookup and miscellaneous controls */
+
+#define S3C2410_REDLUT	   S3C2410_LCDREG(0x20)
+#define S3C2410_GREENLUT   S3C2410_LCDREG(0x24)
+#define S3C2410_BLUELUT	   S3C2410_LCDREG(0x28)
+
+#define S3C2410_DITHMODE   S3C2410_LCDREG(0x4C)
+#define S3C2410_TPAL	   S3C2410_LCDREG(0x50)
+
+#define S3C2410_TPAL_EN		(1<<24)
+
+/* interrupt info */
+#define S3C2410_LCDINTPND  S3C2410_LCDREG(0x54)
+#define S3C2410_LCDSRCPND  S3C2410_LCDREG(0x58)
+#define S3C2410_LCDINTMSK  S3C2410_LCDREG(0x5C)
+#define S3C2410_LCDINT_FIWSEL	(1<<2)
+#define	S3C2410_LCDINT_FRSYNC	(1<<1)
+#define S3C2410_LCDINT_FICNT	(1<<0)
+
+/* s3c2442 extra stn registers */
+
+#define S3C2442_REDLUT		S3C2410_LCDREG(0x20)
+#define S3C2442_GREENLUT	S3C2410_LCDREG(0x24)
+#define S3C2442_BLUELUT		S3C2410_LCDREG(0x28)
+#define S3C2442_DITHMODE	S3C2410_LCDREG(0x20)
+
+#define S3C2410_LPCSEL	   S3C2410_LCDREG(0x60)
+
+#define S3C2410_TFTPAL(x)  S3C2410_LCDREG((0x400 + (x)*4))
+
+/* S3C2412 registers */
+
+#define S3C2412_TPAL		S3C2410_LCDREG(0x20)
+
+#define S3C2412_LCDINTPND	S3C2410_LCDREG(0x24)
+#define S3C2412_LCDSRCPND	S3C2410_LCDREG(0x28)
+#define S3C2412_LCDINTMSK	S3C2410_LCDREG(0x2C)
+
+#define S3C2412_TCONSEL		S3C2410_LCDREG(0x30)
+
+#define S3C2412_LCDCON6		S3C2410_LCDREG(0x34)
+#define S3C2412_LCDCON7		S3C2410_LCDREG(0x38)
+#define S3C2412_LCDCON8		S3C2410_LCDREG(0x3C)
+#define S3C2412_LCDCON9		S3C2410_LCDREG(0x40)
+
+#define S3C2412_REDLUT(x)	S3C2410_LCDREG(0x44 + ((x)*4))
+#define S3C2412_GREENLUT(x)	S3C2410_LCDREG(0x60 + ((x)*4))
+#define S3C2412_BLUELUT(x)	S3C2410_LCDREG(0x98 + ((x)*4))
+
+#define S3C2412_FRCPAT(x)	S3C2410_LCDREG(0xB4 + ((x)*4))
+
+/* general registers */
+
+/* base of the LCD registers, where INTPND, INTSRC and then INTMSK
+ * are available. */
+
+#define S3C2410_LCDINTBASE	S3C2410_LCDREG(0x54)
+#define S3C2412_LCDINTBASE	S3C2410_LCDREG(0x24)
+
+#define S3C24XX_LCDINTPND	(0x00)
+#define S3C24XX_LCDSRCPND	(0x04)
+#define S3C24XX_LCDINTMSK	(0x08)
+
+#endif /* ___ASM_ARCH_REGS_LCD_H */
diff --git a/drivers/video/fbdev/s3c2410fb.c b/drivers/video/fbdev/s3c2410fb.c
index 6f8fa501583f..d8ae5258de46 100644
--- a/drivers/video/fbdev/s3c2410fb.c
+++ b/drivers/video/fbdev/s3c2410fb.c
@@ -29,19 +29,18 @@
 #include <linux/clk.h>
 #include <linux/cpufreq.h>
 #include <linux/io.h>
+#include <linux/platform_data/fb-s3c2410.h>
 
 #include <asm/div64.h>
 
 #include <asm/mach/map.h>
-#include <mach/regs-lcd.h>
-#include <mach/regs-gpio.h>
-#include <mach/fb.h>
 
 #ifdef CONFIG_PM
 #include <linux/pm.h>
 #endif
 
 #include "s3c2410fb.h"
+#include "s3c2410fb-regs-lcd.h"
 
 /* Debugging stuff */
 static int debug = IS_BUILTIN(CONFIG_FB_S3C2410_DEBUG);
@@ -672,6 +671,9 @@ static inline void modify_gpio(void __iomem *reg,
 {
 	unsigned long tmp;
 
+	if (!reg)
+		return;
+
 	tmp = readl(reg) & ~mask;
 	writel(tmp | set, reg);
 }
@@ -702,10 +704,10 @@ static int s3c2410fb_init_registers(struct fb_info *info)
 
 	/* modify the gpio(s) with interrupts set (bjd) */
 
-	modify_gpio(S3C2410_GPCUP,  mach_info->gpcup,  mach_info->gpcup_mask);
-	modify_gpio(S3C2410_GPCCON, mach_info->gpccon, mach_info->gpccon_mask);
-	modify_gpio(S3C2410_GPDUP,  mach_info->gpdup,  mach_info->gpdup_mask);
-	modify_gpio(S3C2410_GPDCON, mach_info->gpdcon, mach_info->gpdcon_mask);
+	modify_gpio(mach_info->gpcup_reg,  mach_info->gpcup,  mach_info->gpcup_mask);
+	modify_gpio(mach_info->gpccon_reg, mach_info->gpccon, mach_info->gpccon_mask);
+	modify_gpio(mach_info->gpdup_reg,  mach_info->gpdup,  mach_info->gpdup_mask);
+	modify_gpio(mach_info->gpdcon_reg, mach_info->gpdcon, mach_info->gpdcon_mask);
 
 	local_irq_restore(flags);
 
diff --git a/drivers/video/fbdev/sticore.h b/drivers/video/fbdev/sticore.h
index fb8f58f9867a..c338f7848ae2 100644
--- a/drivers/video/fbdev/sticore.h
+++ b/drivers/video/fbdev/sticore.h
@@ -4,12 +4,6 @@
 
 /* generic STI structures & functions */
 
-#if 0
-#define DPRINTK(x)	printk x
-#else
-#define DPRINTK(x) 
-#endif
-
 #define MAX_STI_ROMS 4		/* max no. of ROMs which this driver handles */
 
 #define STI_REGION_MAX 8	/* hardcoded STI constants */
@@ -246,8 +240,12 @@ struct sti_rom_font {
 /* sticore internal font handling */
 
 struct sti_cooked_font {
-        struct sti_rom_font *raw;
+	struct sti_rom_font *raw;	/* native ptr for STI functions */
+	void *raw_ptr;			/* kmalloc'ed font data */
 	struct sti_cooked_font *next_font;
+	int height, width;
+	int refcount;
+	u32 crc;
 };
 
 struct sti_cooked_rom {
@@ -341,9 +339,6 @@ struct sti_all_data {
 struct sti_struct {
 	spinlock_t lock;
 		
-	/* the following fields needs to be filled in by the word/byte routines */
-	int font_width;	
-	int font_height;
 	/* char **mon_strings; */
 	int sti_mem_request;
 	u32 graphics_id[2];
@@ -362,6 +357,7 @@ struct sti_struct {
 
 	struct sti_glob_cfg *glob_cfg;	/* points into sti_all_data */
 
+	int wordmode;
 	struct sti_cooked_font *font;	/* ptr to selected font (cooked) */
 
 	struct pci_dev *pd;
@@ -380,6 +376,7 @@ struct sti_struct {
 /* sticore interface functions */
 
 struct sti_struct *sti_get_rom(unsigned int index); /* 0: default sti */
+void sti_font_convert_bytemode(struct sti_struct *sti, struct sti_cooked_font *f);
 
 
 /* sticore main function to call STI firmware */
@@ -391,12 +388,14 @@ int sti_call(const struct sti_struct *sti, unsigned long func,
 
 /* functions to call the STI ROM directly */
 
-void sti_putc(struct sti_struct *sti, int c, int y, int x);
+void sti_putc(struct sti_struct *sti, int c, int y, int x,
+		struct sti_cooked_font *font);
 void sti_set(struct sti_struct *sti, int src_y, int src_x,
-	     int height, int width, u8 color);
+		int height, int width, u8 color);
 void sti_clear(struct sti_struct *sti, int src_y, int src_x,
-	       int height, int width, int c);
+		int height, int width, int c, struct sti_cooked_font *font);
 void sti_bmove(struct sti_struct *sti, int src_y, int src_x,
-	       int dst_y, int dst_x, int height, int width);
+		int dst_y, int dst_x, int height, int width,
+		struct sti_cooked_font *font);
 
 #endif	/* STICORE_H */