diff options
Diffstat (limited to 'include/linux/usb/msm_hsusb.h')
-rw-r--r-- | include/linux/usb/msm_hsusb.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/include/linux/usb/msm_hsusb.h b/include/linux/usb/msm_hsusb.h new file mode 100644 index 000000000000..3675e03b1539 --- /dev/null +++ b/include/linux/usb/msm_hsusb.h | |||
@@ -0,0 +1,112 @@ | |||
1 | /* linux/include/asm-arm/arch-msm/hsusb.h | ||
2 | * | ||
3 | * Copyright (C) 2008 Google, Inc. | ||
4 | * Author: Brian Swetland <swetland@google.com> | ||
5 | * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved. | ||
6 | * | ||
7 | * This software is licensed under the terms of the GNU General Public | ||
8 | * License version 2, as published by the Free Software Foundation, and | ||
9 | * may be copied, distributed, and modified under those terms. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | */ | ||
17 | |||
18 | #ifndef __ASM_ARCH_MSM_HSUSB_H | ||
19 | #define __ASM_ARCH_MSM_HSUSB_H | ||
20 | |||
21 | #include <linux/types.h> | ||
22 | #include <linux/usb/otg.h> | ||
23 | |||
24 | /** | ||
25 | * Supported USB modes | ||
26 | * | ||
27 | * USB_PERIPHERAL Only peripheral mode is supported. | ||
28 | * USB_HOST Only host mode is supported. | ||
29 | * USB_OTG OTG mode is supported. | ||
30 | * | ||
31 | */ | ||
32 | enum usb_mode_type { | ||
33 | USB_NONE = 0, | ||
34 | USB_PERIPHERAL, | ||
35 | USB_HOST, | ||
36 | USB_OTG, | ||
37 | }; | ||
38 | |||
39 | /** | ||
40 | * OTG control | ||
41 | * | ||
42 | * OTG_NO_CONTROL Id/VBUS notifications not required. Useful in host | ||
43 | * only configuration. | ||
44 | * OTG_PHY_CONTROL Id/VBUS notifications comes form USB PHY. | ||
45 | * OTG_PMIC_CONTROL Id/VBUS notifications comes from PMIC hardware. | ||
46 | * OTG_USER_CONTROL Id/VBUS notifcations comes from User via sysfs. | ||
47 | * | ||
48 | */ | ||
49 | enum otg_control_type { | ||
50 | OTG_NO_CONTROL = 0, | ||
51 | OTG_PHY_CONTROL, | ||
52 | OTG_PMIC_CONTROL, | ||
53 | OTG_USER_CONTROL, | ||
54 | }; | ||
55 | |||
56 | /** | ||
57 | * struct msm_otg_platform_data - platform device data | ||
58 | * for msm72k_otg driver. | ||
59 | * @phy_init_seq: PHY configuration sequence. val, reg pairs | ||
60 | * terminated by -1. | ||
61 | * @vbus_power: VBUS power on/off routine. | ||
62 | * @power_budget: VBUS power budget in mA (0 will be treated as 500mA). | ||
63 | * @mode: Supported mode (OTG/peripheral/host). | ||
64 | * @otg_control: OTG switch controlled by user/Id pin | ||
65 | * @default_mode: Default operational mode. Applicable only if | ||
66 | * OTG switch is controller by user. | ||
67 | * | ||
68 | */ | ||
69 | struct msm_otg_platform_data { | ||
70 | int *phy_init_seq; | ||
71 | void (*vbus_power)(bool on); | ||
72 | unsigned power_budget; | ||
73 | enum usb_mode_type mode; | ||
74 | enum otg_control_type otg_control; | ||
75 | enum usb_mode_type default_mode; | ||
76 | void (*setup_gpio)(enum usb_otg_state state); | ||
77 | }; | ||
78 | |||
79 | /** | ||
80 | * struct msm_otg: OTG driver data. Shared by HCD and DCD. | ||
81 | * @otg: USB OTG Transceiver structure. | ||
82 | * @pdata: otg device platform data. | ||
83 | * @irq: IRQ number assigned for HSUSB controller. | ||
84 | * @clk: clock struct of usb_hs_clk. | ||
85 | * @pclk: clock struct of usb_hs_pclk. | ||
86 | * @phy_reset_clk: clock struct of usb_phy_clk. | ||
87 | * @core_clk: clock struct of usb_hs_core_clk. | ||
88 | * @regs: ioremapped register base address. | ||
89 | * @inputs: OTG state machine inputs(Id, SessValid etc). | ||
90 | * @sm_work: OTG state machine work. | ||
91 | * @in_lpm: indicates low power mode (LPM) state. | ||
92 | * @async_int: Async interrupt arrived. | ||
93 | * | ||
94 | */ | ||
95 | struct msm_otg { | ||
96 | struct otg_transceiver otg; | ||
97 | struct msm_otg_platform_data *pdata; | ||
98 | int irq; | ||
99 | struct clk *clk; | ||
100 | struct clk *pclk; | ||
101 | struct clk *phy_reset_clk; | ||
102 | struct clk *core_clk; | ||
103 | void __iomem *regs; | ||
104 | #define ID 0 | ||
105 | #define B_SESS_VLD 1 | ||
106 | unsigned long inputs; | ||
107 | struct work_struct sm_work; | ||
108 | atomic_t in_lpm; | ||
109 | int async_int; | ||
110 | }; | ||
111 | |||
112 | #endif | ||