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path: root/recipes/linux/linux/simpad/linux-2.6.21-SIMpad-serial-gpio_keys-and-cs3-ro.patch
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diff -uNr linux-2.6.21.vanilla/arch/arm/mach-sa1100/simpad.c linux-2.6.21/arch/arm/mach-sa1100/simpad.c
--- linux-2.6.21.vanilla/arch/arm/mach-sa1100/simpad.c	2007-05-30 18:00:29.000000000 +0200
+++ linux-2.6.21/arch/arm/mach-sa1100/simpad.c	2007-05-30 18:02:15.000000000 +0200
@@ -1,5 +1,15 @@
 /*
  * linux/arch/arm/mach-sa1100/simpad.c
+ *
+ * 2007/04/11 mrdata:
+ *            - insert simpad_uart_set_mctrl()
+ *                     simpad_uart_get_mctrl()
+ *            - internal RS232/DECT/Bluetooth
+ *              works again (based on 2.4 simpad-serial.patch)
+ *            - added cs3_ro
+ *
+ * 2007/04/12 Bernhard Guillon: 
+ *            -added gpio_keys (based on h3000.c from hh.org)
  */
 
 #include <linux/module.h>
@@ -9,6 +19,9 @@
 #include <linux/proc_fs.h>
 #include <linux/string.h> 
 #include <linux/pm.h>
+
+#include <linux/apm-emulation.h>
+
 #include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
@@ -27,12 +40,21 @@
 
 #include <linux/serial_core.h>
 #include <linux/ioport.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
 #include <asm/io.h>
 
 #include "generic.h"
 
+long cs3_ro;
 long cs3_shadow;
 
+long get_cs3_ro(void)
+{
+	cs3_ro = *(CS3BUSTYPE *)(CS3_BASE);
+	return cs3_ro;
+}
+
 long get_cs3_shadow(void)
 {
 	return cs3_shadow;
@@ -55,9 +77,12 @@
 	*(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow;
 }
 
+EXPORT_SYMBOL(get_cs3_ro);
+EXPORT_SYMBOL(get_cs3_shadow);
 EXPORT_SYMBOL(set_cs3_bit);
 EXPORT_SYMBOL(clear_cs3_bit);
 
+
 static struct map_desc simpad_io_desc[] __initdata = {
 	{	/* MQ200 */
 		.virtual	=  0xf2800000,
@@ -73,23 +98,71 @@
 };
 
 
+static void simpad_uart_set_mctrl(struct uart_port *port, u_int mctrl)
+{
+        if (port->mapbase == _Ser1UTCR0) {
+                /* internal serial port (ttySA1, DECT/Bluetooth) */
+                if (mctrl & TIOCM_RTS)  GPCR = GPIO_UART1_RTS;
+                else                    GPSR = GPIO_UART1_RTS;
+
+                if (mctrl & TIOCM_DTR)  GPCR = GPIO_UART1_DTR;
+                else                    GPSR = GPIO_UART1_DTR;
+        }
+
+        else if (port->mapbase == _Ser3UTCR0) {
+                /* external serial port (ttySA0, RS232) */
+                if (mctrl & TIOCM_RTS)  GPCR = GPIO_UART3_RTS;
+                else                    GPSR = GPIO_UART3_RTS;
+
+                if (mctrl & TIOCM_DTR)  GPCR = GPIO_UART3_DTR;
+                else                    GPSR = GPIO_UART3_DTR;
+        }              
+}
+
+
+static u_int simpad_uart_get_mctrl(struct uart_port *port)
+{
+        u_int ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR;
+       
+        if (port->mapbase == _Ser1UTCR0) {
+                /* internal serial port (ttySA1, DECT/Bluetooth) */
+                int gplr = GPLR;
+                if (gplr & GPIO_UART1_DCD) ret &= ~TIOCM_CD;
+                if (gplr & GPIO_UART1_CTS) ret &= ~TIOCM_CTS;
+                if (gplr & GPIO_UART1_DSR) ret &= ~TIOCM_DSR;
+        }
+       
+        else if (port->mapbase == _Ser3UTCR0) {
+                /* external serial port (ttySA0, RS232) */
+                int gplr = GPLR;
+                if (gplr & GPIO_UART3_DCD) ret &= ~TIOCM_CD;
+                if (gplr & GPIO_UART3_CTS) ret &= ~TIOCM_CTS;
+                if (gplr & GPIO_UART3_DSR) ret &= ~TIOCM_DSR;
+        }
+        return ret;
+}
+
+
 static void simpad_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
 {
-	if (port->mapbase == (u_int)&Ser1UTCR0) {
-		if (state)
-		{
-			clear_cs3_bit(RS232_ON);
-			clear_cs3_bit(DECT_POWER_ON);
-		}else
-		{
-			set_cs3_bit(RS232_ON);
-			set_cs3_bit(DECT_POWER_ON);
-		}
-	}
+        if (port->mapbase == (u_int)&Ser3UTCR0) {
+                if (state)
+                {
+                        clear_cs3_bit(RS232_ON);
+                        /* clear_cs3_bit(DECT_POWER_ON); */
+                }else
+                {
+                        set_cs3_bit(RS232_ON);
+                        /* set_cs3_bit(DECT_POWER_ON); */
+                }
+        }
 }
 
+
 static struct sa1100_port_fns simpad_port_fns __initdata = {
-	.pm	   = simpad_uart_pm,
+        .set_mctrl = simpad_uart_set_mctrl,
+        .get_mctrl = simpad_uart_get_mctrl,
+        .pm        = simpad_uart_pm,
 };
 
 
@@ -135,7 +208,6 @@
 };
 
 
-
 static void __init simpad_map_io(void)
 {
 	sa1100_map_io();
@@ -144,13 +216,12 @@
 
 	set_cs3_bit (EN1 | EN0 | LED2_ON | DISPLAY_ON | RS232_ON |
 		      ENABLE_5V | RESET_SIMCARD | DECT_POWER_ON);
-
-
+		      
         sa1100_register_uart_fns(&simpad_port_fns);
 	sa1100_register_uart(0, 3);  /* serial interface */
 	sa1100_register_uart(1, 1);  /* DECT             */
 
-	// Reassign UART 1 pins
+	/* Reassign UART 1 pins */
 	GAFR |= GPIO_UART_TXD | GPIO_UART_RXD;
 	GPDR |= GPIO_UART_TXD | GPIO_LDD13 | GPIO_LDD15;
 	GPDR &= ~GPIO_UART_RXD;
@@ -160,7 +231,6 @@
 	 * Set up registers for sleep mode.
 	 */
 
-
 	PWER = PWER_GPIO0| PWER_RTC;
 	PGSR = 0x818;
 	PCFR = 0;
@@ -171,9 +241,10 @@
 	sa11x0_set_mcp_data(&simpad_mcp_data);
 }
 
+
 static void simpad_power_off(void)
 {
-	local_irq_disable(); // was cli
+	local_irq_disable(); /* was cli */
 	set_cs3(0x800);        /* only SD_MEDIAQ */
 
 	/* disable internal oscillator, float CS lines */
@@ -191,31 +262,52 @@
 	while(1);
 
 	local_irq_enable(); /* we won't ever call it */
+}
 
 
-}
+/*
+ * gpio_keys
+*/
+
+static struct gpio_keys_button simpad_button_table[] = {
+	{ KEY_POWER, IRQ_GPIO_POWER_BUTTON, 1, "power button" },
+};
+
+static struct gpio_keys_platform_data simpad_keys_data = {
+	.buttons = simpad_button_table,
+	.nbuttons = ARRAY_SIZE(simpad_button_table),
+};
+
+static struct platform_device simpad_keys = {
+	.name = "gpio-keys",
+	.dev = {
+		.platform_data = &simpad_keys_data,
+	},
+};
 
 
 /*
  * MediaQ Video Device
  */
+
 static struct platform_device simpad_mq200fb = {
 	.name = "simpad-mq200",
 	.id   = 0,
 };
 
+
 static struct platform_device *devices[] __initdata = {
-	&simpad_mq200fb
+	&simpad_keys,
+	&simpad_mq200fb,
 };
 
 
-
 static int __init simpad_init(void)
 {
 	int ret;
 
 	pm_power_off = simpad_power_off;
-
+	
 	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 	if(ret)
 		printk(KERN_WARNING "simpad: Unable to register mq200 framebuffer device");
diff -uNr linux-2.6.21.vanilla/include/asm-arm/arch-sa1100/simpad.h linux-2.6.21/include/asm-arm/arch-sa1100/simpad.h
--- linux-2.6.21.vanilla/include/asm-arm/arch-sa1100/simpad.h	2007-05-30 18:00:30.000000000 +0200
+++ linux-2.6.21/include/asm-arm/arch-sa1100/simpad.h	2007-05-30 18:02:56.000000000 +0200
@@ -12,11 +12,12 @@
 #define __ASM_ARCH_SIMPAD_H
 
 
-#define GPIO_UART1_RTS	GPIO_GPIO14
+#define GPIO_UART1_RTS	GPIO_GPIO9
 #define GPIO_UART1_DTR	GPIO_GPIO7
 #define GPIO_UART1_CTS	GPIO_GPIO8
 #define GPIO_UART1_DCD	GPIO_GPIO23
 #define GPIO_UART1_DSR	GPIO_GPIO6
+#define GPIO_UART1_RI	GPIO_GPIO19
 
 #define GPIO_UART3_RTS	GPIO_GPIO12
 #define GPIO_UART3_DTR	GPIO_GPIO16
@@ -48,9 +49,9 @@
 #define GPIO_SMART_CARD		GPIO_GPIO10
 #define IRQ_GPIO_SMARD_CARD	IRQ_GPIO10
 
-// CS3 Latch is write only, a shadow is necessary
+// CS3 Latch is write only 16-bit , a shadow is necessary
 
-#define CS3BUSTYPE unsigned volatile long
+#define CS3BUSTYPE      unsigned volatile long
 #define CS3_BASE        0xf1000000
 
 #define VCC_5V_EN       0x0001 // For 5V PCMCIA
@@ -70,43 +71,17 @@
 #define ENABLE_5V       0x4000 // Enable 5V circuit
 #define RESET_SIMCARD   0x8000
 
-#define RS232_ENABLE    0x0440
-#define PCMCIAMASK      0x402f
+// CS3 Latch is readable only 8-bit interest
 
+#define PCMCIA_BVD1     0x0001
+#define PCMCIA_BVD2     0x0002
+#define PCMCIA_VS1      0x0004   // PCMCIA card voltage select
+#define PCMCIA_VS2      0x0008   // PCMCIA card voltage select, if both are in high state -> 5V PCMCIA card
+#define LOCK_IND        0x0010
+#define CHARGING_STATE  0x0020   // Ladestatus
+#define PCMCIA_SHORT    0x0040   // low active
 
-struct simpad_battery {
-	unsigned char ac_status;	/* line connected yes/no */
-	unsigned char status;		/* battery loading yes/no */
-	unsigned char percentage;	/* percentage loaded */
-	unsigned short life;		/* life till empty */
-};
-
-/* These should match the apm_bios.h definitions */
-#define SIMPAD_AC_STATUS_AC_OFFLINE      0x00
-#define SIMPAD_AC_STATUS_AC_ONLINE       0x01
-#define SIMPAD_AC_STATUS_AC_BACKUP       0x02   /* What does this mean? */
-#define SIMPAD_AC_STATUS_AC_UNKNOWN      0xff
-
-/* These bitfields are rarely "or'd" together */
-#define SIMPAD_BATT_STATUS_HIGH          0x01
-#define SIMPAD_BATT_STATUS_LOW           0x02
-#define SIMPAD_BATT_STATUS_CRITICAL      0x04
-#define SIMPAD_BATT_STATUS_CHARGING      0x08
-#define SIMPAD_BATT_STATUS_CHARGE_MAIN   0x10
-#define SIMPAD_BATT_STATUS_DEAD          0x20   /* Battery will not charge */
-#define SIMPAD_BATT_NOT_INSTALLED        0x20   /* For expansion pack batteries */
-#define SIMPAD_BATT_STATUS_FULL          0x40   /* Battery fully charged (and connected to AC) */
-#define SIMPAD_BATT_STATUS_NOBATT        0x80
-#define SIMPAD_BATT_STATUS_UNKNOWN       0xff
-
-extern int simpad_get_battery(struct simpad_battery* );
+#define RS232_ENABLE    0x0440
+#define PCMCIAMASK      0x402f
 
 #endif // __ASM_ARCH_SIMPAD_H
-
-
-
-
-
-
-
-