Add Nokia CBUS support

[linux-2.6-omap-h63xx.git] / drivers / cbus / tahvo.h

diff --git a/drivers/cbus/tahvo.h b/drivers/cbus/tahvo.h
new file mode 100644 (file)
index 0000000..b7a8ee1
--- /dev/null
+++ b/drivers/cbus/tahvo.h
@@ -0,0 +1,61 @@
+/*
+ * drivers/cbus/tahvo.h
+ *
+ * Copyright (C) 2004, 2005 Nokia Corporation
+ *
+ * Written by Juha Yrjölä <juha.yrjola@nokia.com> and
+ *           David Weinehall <david.weinehall@nokia.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __DRIVERS_CBUS_TAHVO_H
+#define __DRIVERS_CBUS_TAHVO_H
+
+#include <linux/types.h>
+
+/* Registers */
+#define TAHVO_REG_ASICR                0x00    /* ASIC ID & revision */
+#define TAHVO_REG_IDR          0x01    /* Interrupt ID */
+#define TAHVO_REG_IDSR         0x02    /* Interrupt status */
+#define TAHVO_REG_IMR          0x03    /* Interrupt mask */
+#define TAHVO_REG_LEDPWMR      0x05    /* LED PWM */
+#define TAHVO_REG_USBR         0x06    /* USB control */
+#define TAHVO_REG_MAX          0x0d
+
+/* Interrupt sources */
+#define TAHVO_INT_VBUSON       0
+
+#define MAX_TAHVO_IRQ_HANDLERS 8
+
+int tahvo_read_reg(int reg);
+void tahvo_write_reg(int reg, u16 val);
+void tahvo_set_clear_reg_bits(int reg, u16 set, u16 clear);
+int tahvo_request_irq(int id, void *irq_handler, unsigned long arg, char *name);
+void tahvo_free_irq(int id);
+void tahvo_enable_irq(int id);
+void tahvo_disable_irq(int id);
+void tahvo_ack_irq(int id);
+int tahvo_get_backlight_level(void);
+int tahvo_get_max_backlight_level(void);
+void tahvo_set_backlight_level(int level);
+
+#ifdef CONFIG_CBUS_TAHVO_USER
+int tahvo_user_init(void);
+void tahvo_user_cleanup(void);
+#endif
+
+extern spinlock_t tahvo_lock;
+
+#endif /* __DRIVERS_CBUS_TAHVO_H */