[IrDA]: EP7211 IR driver port to the latest SIR API

The EP7211 SIR driver was the only one left without a new SIR API port.

Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 99 insertions, 0 deletions

diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig
index 829da9a1d113..266ba7d8f3d1 100644
--- a/drivers/net/irda/Kconfig
+++ b/drivers/net/irda/Kconfig
@@ -155,6 +155,15 @@ config KINGSUN_DONGLE
           To compile it as a module, choose M here: the module will be called
           kingsun-sir.
 
+config EP7211_DONGLE
+        tristate "EP7211 I/R support"
+        depends on IRTTY_SIR && ARCH_EP7211 && IRDA && EXPERIMENTAL
+        help
+          Say Y here if you want to build support for the Cirrus logic
+          EP7211 chipset's infrared module.
+
+
+
 comment "Old SIR device drivers"
 
 config IRPORT_SIR
diff --git a/drivers/net/irda/Makefile b/drivers/net/irda/Makefile
index 233a2f923730..2808ef5c7b79 100644
--- a/drivers/net/irda/Makefile
+++ b/drivers/net/irda/Makefile
@@ -45,6 +45,7 @@ obj-$(CONFIG_MCP2120_DONGLE)	+= mcp2120-sir.o
 obj-$(CONFIG_ACT200L_DONGLE)    += act200l-sir.o
 obj-$(CONFIG_MA600_DONGLE)      += ma600-sir.o
 obj-$(CONFIG_TOIM3232_DONGLE)   += toim3232-sir.o
+obj-$(CONFIG_EP7211_DONGLE)     += ep7211-sir.o
 obj-$(CONFIG_KINGSUN_DONGLE)    += kingsun-sir.o
 
 # The SIR helper module
diff --git a/drivers/net/irda/ep7211-sir.c b/drivers/net/irda/ep7211-sir.c
new file mode 100644
index 000000000000..831572429bb9
--- /dev/null
+++ b/drivers/net/irda/ep7211-sir.c
@@ -0,0 +1,89 @@
+/*
+ * IR port driver for the Cirrus Logic EP7211 processor.
+ *
+ * Copyright 2001, Blue Mug Inc.  All rights reserved.
+ * Copyright 2007, Samuel Ortiz <samuel@sortiz.org>
+ */
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/tty.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+
+#include <net/irda/irda.h>
+#include <net/irda/irda_device.h>
+
+#include <asm/io.h>
+#include <asm/hardware.h>
+
+#include "sir-dev.h"
+
+#define MIN_DELAY 25      /* 15 us, but wait a little more to be sure */
+#define MAX_DELAY 10000   /* 1 ms */
+
+static int ep7211_open(struct sir_dev *dev);
+static int ep7211_close(struct sir_dev *dev);
+static int ep7211_change_speed(struct sir_dev *dev, unsigned speed);
+static int ep7211_reset(struct sir_dev *dev);
+
+static struct dongle_driver ep7211 = {
+        .owner          = THIS_MODULE,
+        .driver_name    = "EP7211 IR driver",
+        .type           = IRDA_EP7211_DONGLE,
+        .open           = ep7211_open,
+        .close          = ep7211_close,
+        .reset          = ep7211_reset,
+        .set_speed      = ep7211_change_speed,
+};
+
+static int __init ep7211_sir_init(void)
+{
+        return irda_register_dongle(&ep7211);
+}
+
+static void __exit ep7211_sir_cleanup(void)
+{
+        irda_unregister_dongle(&ep7211);
+}
+
+static int ep7211_open(struct sir_dev *dev)
+{
+        unsigned int syscon;
+
+        /* Turn on the SIR encoder. */
+        syscon = clps_readl(SYSCON1);
+        syscon |= SYSCON1_SIREN;
+        clps_writel(syscon, SYSCON1);
+
+        return 0;
+}
+
+static int ep7211_close(struct sir_dev *dev)
+{
+        unsigned int syscon;
+
+        /* Turn off the SIR encoder. */
+        syscon = clps_readl(SYSCON1);
+        syscon &= ~SYSCON1_SIREN;
+        clps_writel(syscon, SYSCON1);
+
+        return 0;
+}
+
+static int ep7211_change_speed(struct sir_dev *dev, unsigned speed)
+{
+        return 0;
+}
+
+static int ep7211_reset(struct sir_dev *dev)
+{
+        return 0;
+}
+
+MODULE_AUTHOR("Samuel Ortiz <samuel@sortiz.org>");
+MODULE_DESCRIPTION("EP7211 IR dongle driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("irda-dongle-13"); /* IRDA_EP7211_DONGLE */
+
+module_init(ep7211_sir_init);
+module_exit(ep7211_sir_cleanup);