Bluetooth HCI driver for TI BRF6150 with H4 extensions

This patch adds a Bluetooth HCI driver for the TI BRF6150
chip with Nokia H4 extensions. The chip is e.g. on the Nokia 770.
Signed-off-by: Ville Tervo <ville.tervo@nokia.com>
Signed-off-by: Juha Yrjl <juha.yrjola@nokia.com>

drivers/bluetooth/Kconfig

@@ -147,6 +147,17 @@ config BT_HCIBTUART
 	  Say Y here to compile support for HCI UART devices into the
 	  kernel or say M to compile it as module (btuart_cs).
 
+config BT_HCIBRF6150
+	tristate "HCI TI BRF6150 driver with H4 extensions"
+	depends on BT && ARCH_OMAP
+	help
+	  Bluetooth HCI driver for TI BRF6150 with H4 extensions.
+	  This driver provides support for BRF6150 Bluetooth chip 
+	  with vendor-specific H4 extensions.
+
+	  Say Y here to compile support for TI BRF6150 devices into the
+	  kernel or say M to compile it as module (brf6150).
+
 config BT_HCIVHCI
 	tristate "HCI VHCI (Virtual HCI device) driver"
 	help

drivers/bluetooth/Makefile

@@ -12,6 +12,7 @@ obj-$(CONFIG_BT_HCIDTL1)	+= dtl1_cs.o
 obj-$(CONFIG_BT_HCIBT3C)	+= bt3c_cs.o
 obj-$(CONFIG_BT_HCIBLUECARD)	+= bluecard_cs.o
 obj-$(CONFIG_BT_HCIBTUART)	+= btuart_cs.o
+obj-$(CONFIG_BT_HCIBRF6150)	+= brf6150.o
 
 hci_uart-y				:= hci_ldisc.o
 hci_uart-$(CONFIG_BT_HCIUART_H4)	+= hci_h4.o

drivers/bluetooth/brf6150.h

+/*
+ *  linux/drivers/bluetooth/brf6150/brf6150.h
+ *
+ *  Copyright (C) 2005 Nokia Corporation
+ *  Written by Ville Tervo <ville.tervo@nokia.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version. 
+ *
+ *  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
+ */
+
+#include <asm/arch/board.h>
+
+#ifndef __DRIVERS_BLUETOOTH_BRF6150_H
+#define __DRIVERS_BLUETOOTH_BRF6150_H
+
+#define UART_SYSC_OMAP_RESET	0x02
+#define UART_SYSS_RESETDONE	0x01
+#define UART_OMAP_SCR_EMPTY_THR	0x08
+#define UART_OMAP_SCR_WAKEUP	0x10
+#define UART_OMAP_SSR_WAKEUP	0x02
+#define UART_OMAP_SSR_TXFULL	0x01
+
+struct brf6150_info {
+	struct hci_dev *hdev;
+	spinlock_t lock;
+
+	struct clk *uart_ck;
+	unsigned long uart_base;
+	unsigned int irq;
+
+	struct sk_buff_head txq;
+	struct sk_buff *rx_skb;
+	const struct omap_bluetooth_config *btinfo;
+	const struct firmware *fw_entry;
+	int fw_pos;
+	int fw_error;
+	struct completion fw_completion;
+	struct completion init_completion;
+	struct tasklet_struct tx_task;
+	long rx_count;
+	unsigned long garbage_bytes;
+	unsigned long rx_state;
+	int pm_enabled;
+	int rx_pm_enabled;
+	int tx_pm_enabled;
+	struct timer_list pm_timer;
+};
+
+#define BT_DEVICE "nokia_btuart"
+#define BT_DRIVER "nokia_btuart"
+
+#define MAX_BAUD_RATE		921600
+#define UART_CLOCK		48000000
+#define BT_INIT_DIVIDER		320
+#define BT_BAUDRATE_DIVIDER	384000000
+#define BT_SYSCLK_DIV		1000
+#define INIT_SPEED		120000
+
+#define H4_TYPE_SIZE		1
+
+/* H4+ packet types */
+#define H4_CMD_PKT		0x01
+#define H4_ACL_PKT		0x02
+#define H4_SCO_PKT		0x03
+#define H4_EVT_PKT		0x04
+#define H4_NEG_PKT		0x06
+#define H4_ALIVE_PKT		0x07
+
+/* TX states */
+#define WAIT_FOR_PKT_TYPE	1
+#define WAIT_FOR_HEADER		2
+#define WAIT_FOR_DATA		3
+
+struct hci_fw_event {
+	struct hci_event_hdr hev;
+	struct hci_ev_cmd_complete cmd;
+	__u8 status;
+} __attribute__ ((packed));
+
+#endif /* __DRIVERS_BLUETOOTH_BRF6150_H */