1008.fip.patch

sm86xx内核源包括补丁（ GPL ）的

+static
+#endif /* __KERNEL__ */
+void fip_display_symbol(const int symbol, const int on) 
+{
+	if ((symbol < 0) || (symbol >= NUM_SYMBOLS)) {
+#ifdef __KERNEL__
+		printk(KERN_DEBUG "%s: symbol #%d not available/supported.\n", fip_devname, symbol);
+#else
+		uart_printf("%s: symbol #%d not available/supported.\n", fip_devname, symbol);
+#endif /* __KERNEL__ */
+		return;
+	}
+
+#if defined(CONFIG_TANGO2_FIP_REF1)
+	fip_display_raw(fipsymbols[symbol][0], fipsymbols[symbol][1], on);
+#elif defined(CONFIG_TANGO2_FIP_REF2)
+	//0-99 displays tra/chap number field (0-99)
+	//100-199 displays title number field (0-99)
+	//200 clears all in this area
+	//201-206 displays symbols without effecting other fields
+	if (symbol > 200) {
+		 //fip_display_raw(fipsymbols[symbol-200][0], fipsymbols[symbol-200][1], on);
+		 switch(symbol) {
+		 	case 201:
+				fip_user_display(0, 1);
+				break;
+			case 202:
+				fip_user_display(0, 2);
+				break;
+			case 203:
+				fip_user_display(0, 4);
+				break;
+			case 204:
+				fip_user_display(0, 8);
+				break;
+			case 205:
+				fip_user_display(27, 1);
+				break;
+			case 206:
+				fip_user_display(29, 1);
+				break;
+		 }
+	} else if (symbol == 200) { 
+		fipram[27] = fipxcharacters[11];
+		fipram[28] = fipxcharacters[11];
+		fipram[30] = fipxcharacters[11];
+		fipram[31] = fipxcharacters[11];
+		fip_user_display(27, fipram[27]);
+		fip_user_display(28, fipram[28]);	
+		fip_user_display(30, fipram[30]);
+		fip_user_display(31, fipram[31]);
+			
+	} else if (symbol >= 100) { 
+		fipram[27] = fipxcharacters[(symbol-100)/10];
+		fipram[28] = fipxcharacters[(symbol-100)%10];
+		fip_user_display(27, fipram[27]);
+		fip_user_display(28, fipram[28]);
+	} else if (symbol >= 0) {
+		fipram[30] = fipxcharacters[symbol/10];
+		fipram[31] = fipxcharacters[symbol%10];	
+		fip_user_display(30, fipram[30]);
+		fip_user_display(31, fipram[31]);	
+	}
+#endif
+}
+
+#ifdef __KERNEL__
+static
+#endif /* __KERNEL__ */
+void fip_write_text(const int position, const char *text, const int flags) 
+{
+	int x, i, j;
+	int textLen = strlen (text);
+
+#if defined(CONFIG_TANGO2_FIP_REF1)
+	if (flags & FIP_CENTER)
+		x = (position > 0) ? position - textLen / 2 : (NUM_DIGITS - textLen) / 2 + 1;
+	else if (flags & FIP_RIGHT)
+		x = (position > 0) ? position - textLen : NUM_DIGITS - textLen + 1;
+	else 
+		x = (position > 0) ? position : 1;
+	if (x < 1)
+		x = 1;
+
+	if ((flags & FIP_NO_CLEAR) == 0) {
+		/* clear colons */
+		fip_display_symbol(COLON_HOUR_MIN_FIP_ON, 0);
+		fip_display_symbol(COLON_MIN_SEC_FIP_ON, 0);
+	}
+#elif defined(CONFIG_TANGO2_FIP_REF2)
+	if (flags & FIP_CENTER)
+		x = (position >= 0) ? position - textLen / 2 : (NUM_DIGITS - textLen) / 2 + 1;
+	else if (flags & FIP_RIGHT)
+		x = (position >= 0) ? position - textLen : NUM_DIGITS - textLen + 1;
+	else 
+		x = (position >= 0) ? position : 1;
+	if (x < 1)
+		x = 1;
+#endif
+
+	/* show/write text */
+	j = 0;
+	for (i = 1; i <= NUM_DIGITS; i++) {
+		if ((i < x) || (i >= (x+textLen)))
+			fip_display_character(i, ' ');
+		else if (!fip_display_character(i, text[j++])) {
+#ifdef __KERNEL__
+			printk(KERN_DEBUG "%s: cannot show text '%s'.\n", fip_devname, text);
+#else
+			uart_printf("%s: cannot show text '%s'.\n", fip_devname, text);
+#endif /* __KERNEL__ */
+			break;
+		}
+	}
+}
+
+#ifdef __KERNEL__ 
+static 
+#endif /* __KERNEL__ */
+int fip_show_hms(int hour, int minute, int second)
+{
+	if (hour < L_OFF || minute < L_OFF || second < L_OFF ||
+		hour > 99 || minute > 59 || second > 59) {
+#ifdef __KERNEL__
+		printk(KERN_DEBUG "%s: parameters passed not in valid range\n", fip_devname);
+#else
+		uart_printf("%s: parameters passed not in valid range\n", fip_devname);
+#endif
+		return(1);
+	}
+ 
+#if defined(CONFIG_TANGO2_FIP_REF1)
+	// hour
+	fip_display_character(1, ' ');
+	fip_display_character(2, (hour==L_OFF) ? ' ' : hour/10 + '0');
+	fip_display_character(3, (hour==L_OFF) ? ' ' : hour%10 + '0');
+
+	// minute 
+	fip_display_character(4, (minute==L_OFF) ? ' ' : minute/10 + '0');
+	fip_display_character(5, (minute==L_OFF) ? ' ' : minute%10 + '0');
+
+	// second
+	fip_display_character(6, (second==L_OFF) ? ' ' : second/10 + '0');
+	fip_display_character(7, (second==L_OFF) ? ' ' : second%10 + '0');
+
+	// show colons if needed
+	fip_display_symbol(COLON_HOUR_MIN_FIP_ON, (hour == L_OFF) ? 0 : 1);
+	fip_display_symbol(COLON_MIN_SEC_FIP_ON, ((hour == L_OFF) && (minute == L_OFF)) ? 0 : 1);
+#elif defined(CONFIG_TANGO2_FIP_REF2)
+	// hour
+	fip_display_character(0, (hour==L_OFF) ? ' ' : hour/10 + '0');
+	fip_display_character(1, (hour==L_OFF) ? ' ' : hour%10 + '0');
+
+	// minute 
+	fip_display_character(2, (minute==L_OFF) ? ' ' : minute/10 + '0');
+	fip_display_character(3, (minute==L_OFF) ? ' ' : minute%10 + '0');
+
+	// second
+	fip_display_character(4, (second==L_OFF) ? ' ' : second/10 + '0');
+	fip_display_character(5, (second==L_OFF) ? ' ' : second%10 + '0');
+	fip_display_character(6, ' ');
+	fip_display_character(7, ' ');
+#endif
+	return(0);
+}
+
+#ifdef __KERNEL__ 
+static 
+#endif /* __KERNEL__ */
+int fip_init(void)
+{
+	static int initflag = 0;
+
+	if (initflag != 0)
+		return(0);
+
+#ifdef __KERNEL__
+	/* Disable FIP and interrupt first */
+	fip_wait_ready();
+	fip_write_reg(FIP_CONFIG, 0);
+	fip_wait_ready();
+
+#ifdef ENABLE_WRITE_INTR
+	/* Enable FIP and interrupts (read: 0x20000, write: 0x10000) */
+	fip_write_reg(FIP_CONFIG, (FIP_DIVIDER | FIP_ENABLE | 0x30000));
+#else
+	/* Enable FIP and interrupts (read: 0x20000) */
+	fip_write_reg(FIP_CONFIG, (FIP_DIVIDER | FIP_ENABLE | 0x20000));
+#endif
+#else
+	fip_wait_ready();
+	/* Enable FIP wthout enabling interrupt */
+	fip_write_reg(FIP_CONFIG, (FIP_DIVIDER | FIP_ENABLE));
+#endif /* __KERNEL__ */
+	fip_wait_ready();
+
+	/* Clear exisiting IRQ, if any */
+	fip_write_reg(FIP_INT, 0x3);
+	fip_wait_ready();
+
+	/* select display mode */
+	fip_write_reg(FIP_COMMAND, FIP_DISPLAY_MODE);
+	fip_wait_ready();
+
+	/* select brightness of display and turn it on */
+	fip_write_reg(FIP_COMMAND, FIP_CMD_DISP_CTRL_TURN_DISPLAY_ON | brightness);
+	fip_wait_ready();
+
+	/* select write to display and fixed addressing */
+	fip_write_reg(FIP_COMMAND, FIP_CMD_DATA_SET_ADR_MODE_FIXED_ADR);
+	fip_wait_ready();
+
+	fip_clear();
+	fip_wait_ready();
+	initflag = 1;
+	return(0);
+}
+
+#ifdef __KERNEL__ 
+static 
+#endif /* __KERNEL__ */
+int fip_exit(void)
+{
+	fip_clear();
+
+	/* Disable FIP and interrupt */
+	fip_write_reg(FIP_CONFIG, 0);
+	fip_wait_ready();
+	return(0);
+	fip_wait_ready();
+}
+
+#ifndef __KERNEL__ 
+unsigned long fip_readkey(void)
+{
+	unsigned long key = 0L;
+
+	fip_wait_ready();
+	fip_write_reg(FIP_COMMAND, FIP_CMD_DATA_SET_RW_MODE_READ_KEYS);
+	key = fip_read_reg(FIP_KEY_DATA1); 
+	return(key);
+}
+#endif /* __KERNEL__ */
+
+#ifdef __KERNEL__
+int __init fip_init_module(void)
+{
+	int status = 0;
+
+#if defined(CONFIG_TANGO2_SIG_BLOCK) || defined(CONFIG_TANGO2_XENV)
+	if (tango2_fip_enabled() == 0)
+		return(0);
+#endif
+
+	/* Initialize private data structure */
+	memset(&fip_priv, 0, sizeof(struct fip_private)); 
+#ifdef ENABLE_WRITE_INTR
+	fip_priv.cmdq_empty = 1;
+#endif
+	spin_lock_init(fip_priv.lock);
+
+	if (buffer_size < 1) {
+		printk(KERN_ERR "%s: buffer size (%d) error\n", fip_devname,
+			buffer_size); 
+		return(-EIO);
+	} 
+	if ((fip_priv.buffer = kmalloc(buffer_size * sizeof(unsigned long), GFP_KERNEL)) == NULL) {
+		printk(KERN_ERR "%s: out of memory for buffer\n", fip_devname); 
+		return(-ENOMEM);
+	}
+
+/* HACK: we need to configure irq to be rising edge triggered */
+/* the default one is active high, level triggered, eventually this code */
+/* will need to be in bootloader. */
+#ifdef CONFIG_TANGO2_HACK 
+	gbus_write_uint32(pGBus, REG_BASE_cpu_block + CPU_edge_config_rise_set, 1 << LOG2_CPU_FRONTPANEL_INT);
+#endif
+
+	/* Register device, and may be allocating major# */
+	status = register_chrdev(major_num, fip_devname, &fip_fops);
+	if (status < 0) {
+		printk(KERN_ERR "%s: cannot get major number\n", fip_devname); 
+		if (fip_priv.buffer != NULL)
+			kfree(fip_priv.buffer);
+		return(status);
+	} else if (major_num == 0)
+		major_num = status;	/* Dynamic major# allocation */
+
+	/* Hook up ISR */
+	if (request_irq(fip_irq, fip_isr, SA_SHIRQ, fip_devname, &fip_priv) != 0) {
+		printk(KERN_ERR "%s: cannot register IRQ (%d)\n", fip_devname,
+			fip_irq);
+		unregister_chrdev(major_num, fip_devname);	
+		if (fip_priv.buffer != NULL)
+			kfree(fip_priv.buffer);
+		return(-EIO);
+	}
+
+	/* Do nothing is CONFIG_DEVFS_FS is not enabled */
+	devfs_handle = devfs_register(NULL, fip_devname, DEVFS_FL_AUTO_DEVNUM,
+				major_num, 0, S_IFCHR | S_IRUGO | S_IWUGO, 
+				&fip_fops, NULL);
+	if (devfs_handle == NULL)
+		printk(KERN_WARNING "%s: devfs module not registered\n", 
+			fip_devname);
+
+	fip_init();
+	init_timer(&fip_timer);
+
+	printk("%s: driver loaded (buffer_size = %d)\n", 
+		fip_devname, buffer_size);
+	return(0);
+}
+
+void __exit fip_cleanup_module(void)
+{
+#if defined(CONFIG_TANGO2_SIG_BLOCK) || defined(CONFIG_TANGO2_XENV)
+	if (tango2_fip_enabled() == 0)
+		return;
+#endif
+
+	/* Do nothing is CONFIG_DEVFS_FS is not enabled */
+	if (devfs_handle != NULL)
+		devfs_unregister(devfs_handle);
+
+	unregister_chrdev(major_num, fip_devname);
+	free_irq(fip_irq, &fip_priv);
+
+	if (fip_priv.buffer != NULL)
+		kfree(fip_priv.buffer);
+
+	fip_exit();
+
+	printk(KERN_DEBUG "%s: driver unloaded\n", fip_devname);
+}
+
+module_init(fip_init_module);
+module_exit(fip_cleanup_module);
+
+#endif /* __KERNEL__ */
+
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/drivers/char/Makefile linuxmips-2.4.30/drivers/char/Makefile
--- linuxmips-2.4.30.ref/drivers/char/Makefile	2005-07-18 12:41:43.000000000 -0700
+++ linuxmips-2.4.30/drivers/char/Makefile	2005-07-18 12:51:14.000000000 -0700
@@ -330,6 +330,7 @@
 obj-$(CONFIG_INDYDOG) += indydog.o
 obj-$(CONFIG_8xx_WDT) += mpc8xx_wdt.o
 obj-$(CONFIG_TANGO2_IR) += irkernel.o
+obj-$(CONFIG_TANGO2_FIP) += fipkernel.o
 
 subdir-$(CONFIG_MWAVE) += mwave
 ifeq ($(CONFIG_MWAVE),y)
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/README.1008.fip.patch linuxmips-2.4.30/README.1008.fip.patch
--- linuxmips-2.4.30.ref/README.1008.fip.patch	1969-12-31 16:00:00.000000000 -0800
+++ linuxmips-2.4.30/README.1008.fip.patch	2005-07-18 12:52:03.000000000 -0700
@@ -0,0 +1,20 @@
+Feature:
+--------
+Front panel interface support for SMP863x.
+
+Prerequisite patch numbers:
+---------------------------
+0000
+1000
+1005
+
+Primary author:
+---------------
+YH Lin
+
+Related to which chip version SMP863x x=?
+-----------------------------------------
+all
+
+(linux patches) which CONFIG_... are provided:
+----------------------------------------------