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Merge tag 'jfs-3.16' of git://github.com/kleikamp/linux-shaggy into next
[deliverable/linux.git] / drivers / staging / nokia_h4p / hci_h4p.h
CommitLineData
91eef3e2
PM		 1/*
2 * This file is part of Nokia H4P bluetooth driver
3 *
4 * Copyright (C) 2005-2008 Nokia Corporation.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18 * 02110-1301 USA
19 *
20 */
21
22#ifndef __DRIVERS_BLUETOOTH_HCI_H4P_H
23#define __DRIVERS_BLUETOOTH_HCI_H4P_H
24
25#include <net/bluetooth/bluetooth.h>
26#include <net/bluetooth/hci_core.h>
27#include <net/bluetooth/hci.h>
28
91eef3e2
PM		 29#define UART_SYSC_OMAP_RESET 0x03
30#define UART_SYSS_RESETDONE 0x01
31#define UART_OMAP_SCR_EMPTY_THR 0x08
32#define UART_OMAP_SCR_WAKEUP 0x10
33#define UART_OMAP_SSR_WAKEUP 0x02
34#define UART_OMAP_SSR_TXFULL 0x01
35
36#define UART_OMAP_SYSC_IDLEMODE 0x03
37#define UART_OMAP_SYSC_IDLEMASK (3 << UART_OMAP_SYSC_IDLEMODE)
38
39#define UART_OMAP_SYSC_FORCE_IDLE (0 << UART_OMAP_SYSC_IDLEMODE)
40#define UART_OMAP_SYSC_NO_IDLE (1 << UART_OMAP_SYSC_IDLEMODE)
41#define UART_OMAP_SYSC_SMART_IDLE (2 << UART_OMAP_SYSC_IDLEMODE)
42
43#define H4P_TRANSFER_MODE 1
44#define H4P_SCHED_TRANSFER_MODE 2
45#define H4P_ACTIVE_MODE 3
46
47struct hci_h4p_info {
48 struct timer_list lazy_release;
49 struct hci_dev *hdev;
50 spinlock_t lock;
51
52 void __iomem *uart_base;
53 unsigned long uart_phys_base;
54 int irq;
55 struct device *dev;
56 u8 chip_type;
57 u8 bt_wakeup_gpio;
58 u8 host_wakeup_gpio;
59 u8 reset_gpio;
60 u8 reset_gpio_shared;
61 u8 bt_sysclk;
62 u8 man_id;
63 u8 ver_id;
64
65 struct sk_buff_head fw_queue;
66 struct sk_buff *alive_cmd_skb;
67 struct completion init_completion;
68 struct completion fw_completion;
69 struct completion test_completion;
70 int fw_error;
71 int init_error;
72
73 struct sk_buff_head txq;
74
75 struct sk_buff *rx_skb;
76 long rx_count;
77 unsigned long rx_state;
78 unsigned long garbage_bytes;
79
80 u8 bd_addr[6];
81 struct sk_buff_head *fw_q;
82
83 int pm_enabled;
84 int tx_enabled;
85 int autorts;
86 int rx_enabled;
87 unsigned long pm_flags;
88
89 int tx_clocks_en;
90 int rx_clocks_en;
91 spinlock_t clocks_lock;
92 struct clk *uart_iclk;
93 struct clk *uart_fclk;
94 atomic_t clk_users;
95 u16 dll;
96 u16 dlh;
97 u16 ier;
98 u16 mdr1;
99 u16 efr;
100};
101
102struct hci_h4p_radio_hdr {
103 __u8 evt;
104 __u8 dlen;
fde3d28d 105} __packed;
91eef3e2
PM		 106
107struct hci_h4p_neg_hdr {
108 __u8 dlen;
fde3d28d 109} __packed;
91eef3e2
PM		 110#define H4P_NEG_HDR_SIZE 1
111
112#define H4P_NEG_REQ 0x00
113#define H4P_NEG_ACK 0x20
114#define H4P_NEG_NAK 0x40
115
116#define H4P_PROTO_PKT 0x44
117#define H4P_PROTO_BYTE 0x4c
118
119#define H4P_ID_CSR 0x02
120#define H4P_ID_BCM2048 0x04
121#define H4P_ID_TI1271 0x31
122
123struct hci_h4p_neg_cmd {
124 __u8 ack;
125 __u16 baud;
126 __u16 unused1;
127 __u8 proto;
128 __u16 sys_clk;
129 __u16 unused2;
fde3d28d 130} __packed;
91eef3e2
PM		 131
132struct hci_h4p_neg_evt {
133 __u8 ack;
134 __u16 baud;
135 __u16 unused1;
136 __u8 proto;
137 __u16 sys_clk;
138 __u16 unused2;
139 __u8 man_id;
140 __u8 ver_id;
fde3d28d 141} __packed;
91eef3e2
PM		 142
143#define H4P_ALIVE_REQ 0x55
144#define H4P_ALIVE_RESP 0xcc
145
146struct hci_h4p_alive_hdr {
147 __u8 dlen;
fde3d28d 148} __packed;
91eef3e2
PM		 149#define H4P_ALIVE_HDR_SIZE 1
150
151struct hci_h4p_alive_pkt {
152 __u8 mid;
153 __u8 unused;
fde3d28d 154} __packed;
91eef3e2
PM		 155
156#define MAX_BAUD_RATE 921600
157#define BC4_MAX_BAUD_RATE 3692300
158#define UART_CLOCK 48000000
159#define BT_INIT_DIVIDER 320
160#define BT_BAUDRATE_DIVIDER 384000000
161#define BT_SYSCLK_DIV 1000
162#define INIT_SPEED 120000
163
164#define H4_TYPE_SIZE 1
165#define H4_RADIO_HDR_SIZE 2
166
167/* H4+ packet types */
168#define H4_CMD_PKT 0x01
169#define H4_ACL_PKT 0x02
170#define H4_SCO_PKT 0x03
171#define H4_EVT_PKT 0x04
172#define H4_NEG_PKT 0x06
173#define H4_ALIVE_PKT 0x07
174#define H4_RADIO_PKT 0x08
175
176/* TX states */
177#define WAIT_FOR_PKT_TYPE 1
178#define WAIT_FOR_HEADER 2
179#define WAIT_FOR_DATA 3
180
181struct hci_fw_event {
182 struct hci_event_hdr hev;
183 struct hci_ev_cmd_complete cmd;
184 u8 status;
fde3d28d 185} __packed;
91eef3e2
PM		 186
187int hci_h4p_send_alive_packet(struct hci_h4p_info *info);
188
189void hci_h4p_bcm_parse_fw_event(struct hci_h4p_info *info,
190 struct sk_buff *skb);
191int hci_h4p_bcm_send_fw(struct hci_h4p_info *info,
192 struct sk_buff_head *fw_queue);
193
194void hci_h4p_bc4_parse_fw_event(struct hci_h4p_info *info,
195 struct sk_buff *skb);
196int hci_h4p_bc4_send_fw(struct hci_h4p_info *info,
197 struct sk_buff_head *fw_queue);
198
199void hci_h4p_ti1273_parse_fw_event(struct hci_h4p_info *info,
200 struct sk_buff *skb);
201int hci_h4p_ti1273_send_fw(struct hci_h4p_info *info,
202 struct sk_buff_head *fw_queue);
203
204int hci_h4p_read_fw(struct hci_h4p_info *info, struct sk_buff_head *fw_queue);
205int hci_h4p_send_fw(struct hci_h4p_info *info, struct sk_buff_head *fw_queue);
206void hci_h4p_parse_fw_event(struct hci_h4p_info *info, struct sk_buff *skb);
207
208void hci_h4p_outb(struct hci_h4p_info *info, unsigned int offset, u8 val);
209u8 hci_h4p_inb(struct hci_h4p_info *info, unsigned int offset);
210void hci_h4p_set_rts(struct hci_h4p_info *info, int active);
211int hci_h4p_wait_for_cts(struct hci_h4p_info *info, int active, int timeout_ms);
212void __hci_h4p_set_auto_ctsrts(struct hci_h4p_info *info, int on, u8 which);
213void hci_h4p_set_auto_ctsrts(struct hci_h4p_info *info, int on, u8 which);
214void hci_h4p_change_speed(struct hci_h4p_info *info, unsigned long speed);
215int hci_h4p_reset_uart(struct hci_h4p_info *info);
216void hci_h4p_init_uart(struct hci_h4p_info *info);
217void hci_h4p_enable_tx(struct hci_h4p_info *info);
218void hci_h4p_store_regs(struct hci_h4p_info *info);
219void hci_h4p_restore_regs(struct hci_h4p_info *info);
220void hci_h4p_smart_idle(struct hci_h4p_info *info, bool enable);
221
222#endif /* __DRIVERS_BLUETOOTH_HCI_H4P_H */
Linux kernel - Deliverables
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