X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fserial%2Fsh-sci.c;h=46c40bbc4bc6bc6c2972d30504d580fcca8bf8b2;hb=eaf60d6924759eb2a249c0b568533a90c238061b;hp=5c025d1190c171762f4f6c625010d0ed7b3968d7;hpb=038b0a6d8d32db934bba6a24e74e76e4e327a94f;p=pandora-kernel.git

diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 5c025d1190c1..46c40bbc4bc6 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -17,6 +17,9 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
+#if defined(CONFIG_SERIAL_SH_SCI_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
+#define SUPPORT_SYSRQ
+#endif
 
 #undef DEBUG
 
@@ -49,11 +52,6 @@
 #endif
 
 #include <asm/sci.h>
-
-#if defined(CONFIG_SERIAL_SH_SCI_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
-#define SUPPORT_SYSRQ
-#endif
-
 #include "sh-sci.h"
 
 struct sci_port {
@@ -319,6 +317,28 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
 
 	sci_out(port, SCFCR, fcr_val);
 }
+#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
+static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
+{
+	unsigned int fcr_val = 0;
+
+	if (cflag & CRTSCTS) {
+		fcr_val |= SCFCR_MCE;
+
+		ctrl_outw(0x0000, PORT_PSCR);
+	} else {
+		unsigned short data;
+
+		data = ctrl_inw(PORT_PSCR);
+		data &= 0x033f;
+		data |= 0x0400;
+		ctrl_outw(data, PORT_PSCR);
+
+		ctrl_outw(ctrl_inw(SCSPTR0) & 0x17, SCSPTR0);
+	}
+
+	sci_out(port, SCFCR, fcr_val);
+}
 #else
 /* For SH7750 */
 static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
@@ -446,8 +466,7 @@ static void sci_transmit_chars(struct uart_port *port)
 /* On SH3, SCIF may read end-of-break as a space->mark char */
 #define STEPFN(c)  ({int __c=(c); (((__c-1)|(__c)) == -1); })
 
-static inline void sci_receive_chars(struct uart_port *port,
-				     struct pt_regs *regs)
+static inline void sci_receive_chars(struct uart_port *port)
 {
 	struct sci_port *sci_port = (struct sci_port *)port;
 	struct tty_struct *tty = port->info->tty;
@@ -476,7 +495,7 @@ static inline void sci_receive_chars(struct uart_port *port,
 
 		if (port->type == PORT_SCI) {
 			char c = sci_in(port, SCxRDR);
-			if (uart_handle_sysrq_char(port, c, regs) || sci_port->break_flag)
+			if (uart_handle_sysrq_char(port, c) || sci_port->break_flag)
 				count = 0;
 			else {
 				tty_insert_flip_char(tty, c, TTY_NORMAL);
@@ -504,7 +523,7 @@ static inline void sci_receive_chars(struct uart_port *port,
 					}
 				}
 #endif /* CONFIG_CPU_SH3 */
-				if (uart_handle_sysrq_char(port, c, regs)) {
+				if (uart_handle_sysrq_char(port, c)) {
 					count--; i--;
 					continue;
 				}
@@ -624,6 +643,9 @@ static inline int sci_handle_breaks(struct uart_port *port)
 	struct tty_struct *tty = port->info->tty;
 	struct sci_port *s = &sci_ports[port->line];
 
+	if (uart_handle_break(port))
+		return 0;
+
 	if (!s->break_flag && status & SCxSR_BRK(port)) {
 #if defined(CONFIG_CPU_SH3)
 		/* Debounce break */
@@ -652,18 +674,18 @@ static inline int sci_handle_breaks(struct uart_port *port)
 	return copied;
 }
 
-static irqreturn_t sci_rx_interrupt(int irq, void *port, struct pt_regs *regs)
+static irqreturn_t sci_rx_interrupt(int irq, void *port)
 {
 	/* I think sci_receive_chars has to be called irrespective
 	 * of whether the I_IXOFF is set, otherwise, how is the interrupt
 	 * to be disabled?
 	 */
-	sci_receive_chars(port, regs);
+	sci_receive_chars(port);
 
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t sci_tx_interrupt(int irq, void *ptr, struct pt_regs *regs)
+static irqreturn_t sci_tx_interrupt(int irq, void *ptr)
 {
 	struct uart_port *port = ptr;
 
@@ -674,7 +696,7 @@ static irqreturn_t sci_tx_interrupt(int irq, void *ptr, struct pt_regs *regs)
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t sci_er_interrupt(int irq, void *ptr, struct pt_regs *regs)
+static irqreturn_t sci_er_interrupt(int irq, void *ptr)
 {
 	struct uart_port *port = ptr;
 
@@ -696,18 +718,18 @@ static irqreturn_t sci_er_interrupt(int irq, void *ptr, struct pt_regs *regs)
 			pr_debug("scif: overrun error\n");
 		}
 #endif
-		sci_rx_interrupt(irq, ptr, regs);
+		sci_rx_interrupt(irq, ptr);
 	}
 
 	sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port));
 
 	/* Kick the transmission */
-	sci_tx_interrupt(irq, ptr, regs);
+	sci_tx_interrupt(irq, ptr);
 
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t sci_br_interrupt(int irq, void *ptr, struct pt_regs *regs)
+static irqreturn_t sci_br_interrupt(int irq, void *ptr)
 {
 	struct uart_port *port = ptr;
 
@@ -724,7 +746,7 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr, struct pt_regs *regs)
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr, struct pt_regs *regs)
+static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
 {
         unsigned short ssr_status, scr_status;
         struct uart_port *port = ptr;
@@ -734,16 +756,16 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr, struct pt_regs *regs)
 
 	/* Tx Interrupt */
         if ((ssr_status & 0x0020) && (scr_status & 0x0080))
-                sci_tx_interrupt(irq, ptr, regs);
+                sci_tx_interrupt(irq, ptr);
 	/* Rx Interrupt */
         if ((ssr_status & 0x0002) && (scr_status & 0x0040))
-                sci_rx_interrupt(irq, ptr, regs);
+                sci_rx_interrupt(irq, ptr);
 	/* Error Interrupt */
         if ((ssr_status & 0x0080) && (scr_status & 0x0400))
-                sci_er_interrupt(irq, ptr, regs);
+                sci_er_interrupt(irq, ptr);
 	/* Break Interrupt */
         if ((ssr_status & 0x0010) && (scr_status & 0x0200))
-                sci_br_interrupt(irq, ptr, regs);
+                sci_br_interrupt(irq, ptr);
 
 	return IRQ_HANDLED;
 }
@@ -776,7 +798,7 @@ static int sci_notifier(struct notifier_block *self,
 			 *
 			 * Clean this up later..
 			 */
-			clk = clk_get("module_clk");
+			clk = clk_get(NULL, "module_clk");
 			port->uartclk = clk_get_rate(clk) * 16;
 			clk_put(clk);
 		}
@@ -795,7 +817,7 @@ static struct notifier_block sci_nb = { &sci_notifier, NULL, 0 };
 static int sci_request_irq(struct sci_port *port)
 {
 	int i;
-	irqreturn_t (*handlers[4])(int irq, void *ptr, struct pt_regs *regs) = {
+	irqreturn_t (*handlers[4])(int irq, void *ptr) = {
 		sci_er_interrupt, sci_rx_interrupt, sci_tx_interrupt,
 		sci_br_interrupt,
 	};
@@ -809,7 +831,7 @@ static int sci_request_irq(struct sci_port *port)
 		}
 
 		if (request_irq(port->irqs[0], sci_mpxed_interrupt,
-				SA_INTERRUPT, "sci", port)) {
+				IRQF_DISABLED, "sci", port)) {
 			printk(KERN_ERR "sci: Cannot allocate irq.\n");
 			return -ENODEV;
 		}
@@ -818,7 +840,7 @@ static int sci_request_irq(struct sci_port *port)
 			if (!port->irqs[i])
 				continue;
 			if (request_irq(port->irqs[i], handlers[i],
-					SA_INTERRUPT, desc[i], port)) {
+					IRQF_DISABLED, desc[i], port)) {
 				printk(KERN_ERR "sci: Cannot allocate irq.\n");
 				return -ENODEV;
 			}
@@ -944,8 +966,8 @@ static void sci_shutdown(struct uart_port *port)
 		s->disable(port);
 }
 
-static void sci_set_termios(struct uart_port *port, struct termios *termios,
-			    struct termios *old)
+static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
+			    struct ktermios *old)
 {
 	struct sci_port *s = &sci_ports[port->line];
 	unsigned int status, baud, smr_val;
@@ -961,7 +983,7 @@ static void sci_set_termios(struct uart_port *port, struct termios *termios,
 		default:
 		{
 #if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
-			struct clk *clk = clk_get("module_clk");
+			struct clk *clk = clk_get(NULL, "module_clk");
 			t = SCBRR_VALUE(baud, clk_get_rate(clk));
 			clk_put(clk);
 #else
@@ -1129,7 +1151,7 @@ static void __init sci_init_ports(void)
 		 * XXX: We should use a proper SCI/SCIF clock
 		 */
 		{
-			struct clk *clk = clk_get("module_clk");
+			struct clk *clk = clk_get(NULL, "module_clk");
 			sci_ports[i].port.uartclk = clk_get_rate(clk) * 16;
 			clk_put(clk);
 		}