diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/usb/nop-usb-xceiv.h | 24 | ||||
-rw-r--r-- | include/linux/usb/omap_usb.h | 46 | ||||
-rw-r--r-- | include/linux/usb/otg.h | 236 | ||||
-rw-r--r-- | include/linux/usb/phy.h | 233 | ||||
-rw-r--r-- | include/linux/usb/phy_companion.h | 34 | ||||
-rw-r--r-- | include/linux/usb/tegra_usb_phy.h | 80 |
6 files changed, 418 insertions, 235 deletions
diff --git a/include/linux/usb/nop-usb-xceiv.h b/include/linux/usb/nop-usb-xceiv.h new file mode 100644 index 000000000000..28884c717411 --- /dev/null +++ b/include/linux/usb/nop-usb-xceiv.h | |||
@@ -0,0 +1,24 @@ | |||
1 | #ifndef __LINUX_USB_NOP_XCEIV_H | ||
2 | #define __LINUX_USB_NOP_XCEIV_H | ||
3 | |||
4 | #include <linux/usb/otg.h> | ||
5 | |||
6 | struct nop_usb_xceiv_platform_data { | ||
7 | enum usb_phy_type type; | ||
8 | }; | ||
9 | |||
10 | #if defined(CONFIG_NOP_USB_XCEIV) || (defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE)) | ||
11 | /* sometimes transceivers are accessed only through e.g. ULPI */ | ||
12 | extern void usb_nop_xceiv_register(void); | ||
13 | extern void usb_nop_xceiv_unregister(void); | ||
14 | #else | ||
15 | static inline void usb_nop_xceiv_register(void) | ||
16 | { | ||
17 | } | ||
18 | |||
19 | static inline void usb_nop_xceiv_unregister(void) | ||
20 | { | ||
21 | } | ||
22 | #endif | ||
23 | |||
24 | #endif /* __LINUX_USB_NOP_XCEIV_H */ | ||
diff --git a/include/linux/usb/omap_usb.h b/include/linux/usb/omap_usb.h new file mode 100644 index 000000000000..0ea17f8ae820 --- /dev/null +++ b/include/linux/usb/omap_usb.h | |||
@@ -0,0 +1,46 @@ | |||
1 | /* | ||
2 | * omap_usb.h -- omap usb2 phy header file | ||
3 | * | ||
4 | * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License as published by | ||
7 | * the Free Software Foundation; either version 2 of the License, or | ||
8 | * (at your option) any later version. | ||
9 | * | ||
10 | * Author: Kishon Vijay Abraham I <kishon@ti.com> | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | */ | ||
18 | |||
19 | #ifndef __DRIVERS_OMAP_USB2_H | ||
20 | #define __DRIVERS_OMAP_USB2_H | ||
21 | |||
22 | #include <linux/usb/otg.h> | ||
23 | |||
24 | struct omap_usb { | ||
25 | struct usb_phy phy; | ||
26 | struct phy_companion *comparator; | ||
27 | struct device *dev; | ||
28 | u32 __iomem *control_dev; | ||
29 | struct clk *wkupclk; | ||
30 | u8 is_suspended:1; | ||
31 | }; | ||
32 | |||
33 | #define PHY_PD 0x1 | ||
34 | |||
35 | #define phy_to_omapusb(x) container_of((x), struct omap_usb, phy) | ||
36 | |||
37 | #if defined(CONFIG_OMAP_USB2) || defined(CONFIG_OMAP_USB2_MODULE) | ||
38 | extern int omap_usb2_set_comparator(struct phy_companion *comparator); | ||
39 | #else | ||
40 | static inline int omap_usb2_set_comparator(struct phy_companion *comparator) | ||
41 | { | ||
42 | return -ENODEV; | ||
43 | } | ||
44 | #endif | ||
45 | |||
46 | #endif /* __DRIVERS_OMAP_USB_H */ | ||
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index 45824be0a2f9..e8a5fe87c6bd 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h | |||
@@ -9,56 +9,7 @@ | |||
9 | #ifndef __LINUX_USB_OTG_H | 9 | #ifndef __LINUX_USB_OTG_H |
10 | #define __LINUX_USB_OTG_H | 10 | #define __LINUX_USB_OTG_H |
11 | 11 | ||
12 | #include <linux/notifier.h> | 12 | #include <linux/usb/phy.h> |
13 | |||
14 | /* OTG defines lots of enumeration states before device reset */ | ||
15 | enum usb_otg_state { | ||
16 | OTG_STATE_UNDEFINED = 0, | ||
17 | |||
18 | /* single-role peripheral, and dual-role default-b */ | ||
19 | OTG_STATE_B_IDLE, | ||
20 | OTG_STATE_B_SRP_INIT, | ||
21 | OTG_STATE_B_PERIPHERAL, | ||
22 | |||
23 | /* extra dual-role default-b states */ | ||
24 | OTG_STATE_B_WAIT_ACON, | ||
25 | OTG_STATE_B_HOST, | ||
26 | |||
27 | /* dual-role default-a */ | ||
28 | OTG_STATE_A_IDLE, | ||
29 | OTG_STATE_A_WAIT_VRISE, | ||
30 | OTG_STATE_A_WAIT_BCON, | ||
31 | OTG_STATE_A_HOST, | ||
32 | OTG_STATE_A_SUSPEND, | ||
33 | OTG_STATE_A_PERIPHERAL, | ||
34 | OTG_STATE_A_WAIT_VFALL, | ||
35 | OTG_STATE_A_VBUS_ERR, | ||
36 | }; | ||
37 | |||
38 | enum usb_phy_events { | ||
39 | USB_EVENT_NONE, /* no events or cable disconnected */ | ||
40 | USB_EVENT_VBUS, /* vbus valid event */ | ||
41 | USB_EVENT_ID, /* id was grounded */ | ||
42 | USB_EVENT_CHARGER, /* usb dedicated charger */ | ||
43 | USB_EVENT_ENUMERATED, /* gadget driver enumerated */ | ||
44 | }; | ||
45 | |||
46 | /* associate a type with PHY */ | ||
47 | enum usb_phy_type { | ||
48 | USB_PHY_TYPE_UNDEFINED, | ||
49 | USB_PHY_TYPE_USB2, | ||
50 | USB_PHY_TYPE_USB3, | ||
51 | }; | ||
52 | |||
53 | struct usb_phy; | ||
54 | |||
55 | /* for transceivers connected thru an ULPI interface, the user must | ||
56 | * provide access ops | ||
57 | */ | ||
58 | struct usb_phy_io_ops { | ||
59 | int (*read)(struct usb_phy *x, u32 reg); | ||
60 | int (*write)(struct usb_phy *x, u32 val, u32 reg); | ||
61 | }; | ||
62 | 13 | ||
63 | struct usb_otg { | 14 | struct usb_otg { |
64 | u8 default_a; | 15 | u8 default_a; |
@@ -85,134 +36,9 @@ struct usb_otg { | |||
85 | 36 | ||
86 | }; | 37 | }; |
87 | 38 | ||
88 | /* | ||
89 | * the otg driver needs to interact with both device side and host side | ||
90 | * usb controllers. it decides which controller is active at a given | ||
91 | * moment, using the transceiver, ID signal, HNP and sometimes static | ||
92 | * configuration information (including "board isn't wired for otg"). | ||
93 | */ | ||
94 | struct usb_phy { | ||
95 | struct device *dev; | ||
96 | const char *label; | ||
97 | unsigned int flags; | ||
98 | |||
99 | enum usb_phy_type type; | ||
100 | enum usb_otg_state state; | ||
101 | enum usb_phy_events last_event; | ||
102 | |||
103 | struct usb_otg *otg; | ||
104 | |||
105 | struct device *io_dev; | ||
106 | struct usb_phy_io_ops *io_ops; | ||
107 | void __iomem *io_priv; | ||
108 | |||
109 | /* for notification of usb_phy_events */ | ||
110 | struct atomic_notifier_head notifier; | ||
111 | |||
112 | /* to pass extra port status to the root hub */ | ||
113 | u16 port_status; | ||
114 | u16 port_change; | ||
115 | |||
116 | /* to support controllers that have multiple transceivers */ | ||
117 | struct list_head head; | ||
118 | |||
119 | /* initialize/shutdown the OTG controller */ | ||
120 | int (*init)(struct usb_phy *x); | ||
121 | void (*shutdown)(struct usb_phy *x); | ||
122 | |||
123 | /* effective for B devices, ignored for A-peripheral */ | ||
124 | int (*set_power)(struct usb_phy *x, | ||
125 | unsigned mA); | ||
126 | |||
127 | /* for non-OTG B devices: set transceiver into suspend mode */ | ||
128 | int (*set_suspend)(struct usb_phy *x, | ||
129 | int suspend); | ||
130 | |||
131 | /* notify phy connect status change */ | ||
132 | int (*notify_connect)(struct usb_phy *x, int port); | ||
133 | int (*notify_disconnect)(struct usb_phy *x, int port); | ||
134 | }; | ||
135 | |||
136 | |||
137 | /* for board-specific init logic */ | ||
138 | extern int usb_add_phy(struct usb_phy *, enum usb_phy_type type); | ||
139 | extern void usb_remove_phy(struct usb_phy *); | ||
140 | |||
141 | #if defined(CONFIG_NOP_USB_XCEIV) || (defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE)) | ||
142 | /* sometimes transceivers are accessed only through e.g. ULPI */ | ||
143 | extern void usb_nop_xceiv_register(void); | ||
144 | extern void usb_nop_xceiv_unregister(void); | ||
145 | #else | ||
146 | static inline void usb_nop_xceiv_register(void) | ||
147 | { | ||
148 | } | ||
149 | |||
150 | static inline void usb_nop_xceiv_unregister(void) | ||
151 | { | ||
152 | } | ||
153 | #endif | ||
154 | |||
155 | /* helpers for direct access thru low-level io interface */ | ||
156 | static inline int usb_phy_io_read(struct usb_phy *x, u32 reg) | ||
157 | { | ||
158 | if (x->io_ops && x->io_ops->read) | ||
159 | return x->io_ops->read(x, reg); | ||
160 | |||
161 | return -EINVAL; | ||
162 | } | ||
163 | |||
164 | static inline int usb_phy_io_write(struct usb_phy *x, u32 val, u32 reg) | ||
165 | { | ||
166 | if (x->io_ops && x->io_ops->write) | ||
167 | return x->io_ops->write(x, val, reg); | ||
168 | |||
169 | return -EINVAL; | ||
170 | } | ||
171 | |||
172 | static inline int | ||
173 | usb_phy_init(struct usb_phy *x) | ||
174 | { | ||
175 | if (x->init) | ||
176 | return x->init(x); | ||
177 | |||
178 | return 0; | ||
179 | } | ||
180 | |||
181 | static inline void | ||
182 | usb_phy_shutdown(struct usb_phy *x) | ||
183 | { | ||
184 | if (x->shutdown) | ||
185 | x->shutdown(x); | ||
186 | } | ||
187 | |||
188 | /* for usb host and peripheral controller drivers */ | ||
189 | #ifdef CONFIG_USB_OTG_UTILS | 39 | #ifdef CONFIG_USB_OTG_UTILS |
190 | extern struct usb_phy *usb_get_phy(enum usb_phy_type type); | ||
191 | extern struct usb_phy *devm_usb_get_phy(struct device *dev, | ||
192 | enum usb_phy_type type); | ||
193 | extern void usb_put_phy(struct usb_phy *); | ||
194 | extern void devm_usb_put_phy(struct device *dev, struct usb_phy *x); | ||
195 | extern const char *otg_state_string(enum usb_otg_state state); | 40 | extern const char *otg_state_string(enum usb_otg_state state); |
196 | #else | 41 | #else |
197 | static inline struct usb_phy *usb_get_phy(enum usb_phy_type type) | ||
198 | { | ||
199 | return NULL; | ||
200 | } | ||
201 | |||
202 | static inline struct usb_phy *devm_usb_get_phy(struct device *dev, | ||
203 | enum usb_phy_type type) | ||
204 | { | ||
205 | return NULL; | ||
206 | } | ||
207 | |||
208 | static inline void usb_put_phy(struct usb_phy *x) | ||
209 | { | ||
210 | } | ||
211 | |||
212 | static inline void devm_usb_put_phy(struct device *dev, struct usb_phy *x) | ||
213 | { | ||
214 | } | ||
215 | |||
216 | static inline const char *otg_state_string(enum usb_otg_state state) | 42 | static inline const char *otg_state_string(enum usb_otg_state state) |
217 | { | 43 | { |
218 | return NULL; | 44 | return NULL; |
@@ -262,42 +88,6 @@ otg_set_peripheral(struct usb_otg *otg, struct usb_gadget *periph) | |||
262 | } | 88 | } |
263 | 89 | ||
264 | static inline int | 90 | static inline int |
265 | usb_phy_set_power(struct usb_phy *x, unsigned mA) | ||
266 | { | ||
267 | if (x && x->set_power) | ||
268 | return x->set_power(x, mA); | ||
269 | return 0; | ||
270 | } | ||
271 | |||
272 | /* Context: can sleep */ | ||
273 | static inline int | ||
274 | usb_phy_set_suspend(struct usb_phy *x, int suspend) | ||
275 | { | ||
276 | if (x->set_suspend != NULL) | ||
277 | return x->set_suspend(x, suspend); | ||
278 | else | ||
279 | return 0; | ||
280 | } | ||
281 | |||
282 | static inline int | ||
283 | usb_phy_notify_connect(struct usb_phy *x, int port) | ||
284 | { | ||
285 | if (x->notify_connect) | ||
286 | return x->notify_connect(x, port); | ||
287 | else | ||
288 | return 0; | ||
289 | } | ||
290 | |||
291 | static inline int | ||
292 | usb_phy_notify_disconnect(struct usb_phy *x, int port) | ||
293 | { | ||
294 | if (x->notify_disconnect) | ||
295 | return x->notify_disconnect(x, port); | ||
296 | else | ||
297 | return 0; | ||
298 | } | ||
299 | |||
300 | static inline int | ||
301 | otg_start_srp(struct usb_otg *otg) | 91 | otg_start_srp(struct usb_otg *otg) |
302 | { | 92 | { |
303 | if (otg && otg->start_srp) | 93 | if (otg && otg->start_srp) |
@@ -306,31 +96,7 @@ otg_start_srp(struct usb_otg *otg) | |||
306 | return -ENOTSUPP; | 96 | return -ENOTSUPP; |
307 | } | 97 | } |
308 | 98 | ||
309 | /* notifiers */ | ||
310 | static inline int | ||
311 | usb_register_notifier(struct usb_phy *x, struct notifier_block *nb) | ||
312 | { | ||
313 | return atomic_notifier_chain_register(&x->notifier, nb); | ||
314 | } | ||
315 | |||
316 | static inline void | ||
317 | usb_unregister_notifier(struct usb_phy *x, struct notifier_block *nb) | ||
318 | { | ||
319 | atomic_notifier_chain_unregister(&x->notifier, nb); | ||
320 | } | ||
321 | |||
322 | /* for OTG controller drivers (and maybe other stuff) */ | 99 | /* for OTG controller drivers (and maybe other stuff) */ |
323 | extern int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num); | 100 | extern int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num); |
324 | 101 | ||
325 | static inline const char *usb_phy_type_string(enum usb_phy_type type) | ||
326 | { | ||
327 | switch (type) { | ||
328 | case USB_PHY_TYPE_USB2: | ||
329 | return "USB2 PHY"; | ||
330 | case USB_PHY_TYPE_USB3: | ||
331 | return "USB3 PHY"; | ||
332 | default: | ||
333 | return "UNKNOWN PHY TYPE"; | ||
334 | } | ||
335 | } | ||
336 | #endif /* __LINUX_USB_OTG_H */ | 102 | #endif /* __LINUX_USB_OTG_H */ |
diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h new file mode 100644 index 000000000000..06b5bae35b29 --- /dev/null +++ b/include/linux/usb/phy.h | |||
@@ -0,0 +1,233 @@ | |||
1 | /* USB OTG (On The Go) defines */ | ||
2 | /* | ||
3 | * | ||
4 | * These APIs may be used between USB controllers. USB device drivers | ||
5 | * (for either host or peripheral roles) don't use these calls; they | ||
6 | * continue to use just usb_device and usb_gadget. | ||
7 | */ | ||
8 | |||
9 | #ifndef __LINUX_USB_PHY_H | ||
10 | #define __LINUX_USB_PHY_H | ||
11 | |||
12 | #include <linux/notifier.h> | ||
13 | |||
14 | enum usb_phy_events { | ||
15 | USB_EVENT_NONE, /* no events or cable disconnected */ | ||
16 | USB_EVENT_VBUS, /* vbus valid event */ | ||
17 | USB_EVENT_ID, /* id was grounded */ | ||
18 | USB_EVENT_CHARGER, /* usb dedicated charger */ | ||
19 | USB_EVENT_ENUMERATED, /* gadget driver enumerated */ | ||
20 | }; | ||
21 | |||
22 | /* associate a type with PHY */ | ||
23 | enum usb_phy_type { | ||
24 | USB_PHY_TYPE_UNDEFINED, | ||
25 | USB_PHY_TYPE_USB2, | ||
26 | USB_PHY_TYPE_USB3, | ||
27 | }; | ||
28 | |||
29 | /* OTG defines lots of enumeration states before device reset */ | ||
30 | enum usb_otg_state { | ||
31 | OTG_STATE_UNDEFINED = 0, | ||
32 | |||
33 | /* single-role peripheral, and dual-role default-b */ | ||
34 | OTG_STATE_B_IDLE, | ||
35 | OTG_STATE_B_SRP_INIT, | ||
36 | OTG_STATE_B_PERIPHERAL, | ||
37 | |||
38 | /* extra dual-role default-b states */ | ||
39 | OTG_STATE_B_WAIT_ACON, | ||
40 | OTG_STATE_B_HOST, | ||
41 | |||
42 | /* dual-role default-a */ | ||
43 | OTG_STATE_A_IDLE, | ||
44 | OTG_STATE_A_WAIT_VRISE, | ||
45 | OTG_STATE_A_WAIT_BCON, | ||
46 | OTG_STATE_A_HOST, | ||
47 | OTG_STATE_A_SUSPEND, | ||
48 | OTG_STATE_A_PERIPHERAL, | ||
49 | OTG_STATE_A_WAIT_VFALL, | ||
50 | OTG_STATE_A_VBUS_ERR, | ||
51 | }; | ||
52 | |||
53 | struct usb_phy; | ||
54 | struct usb_otg; | ||
55 | |||
56 | /* for transceivers connected thru an ULPI interface, the user must | ||
57 | * provide access ops | ||
58 | */ | ||
59 | struct usb_phy_io_ops { | ||
60 | int (*read)(struct usb_phy *x, u32 reg); | ||
61 | int (*write)(struct usb_phy *x, u32 val, u32 reg); | ||
62 | }; | ||
63 | |||
64 | struct usb_phy { | ||
65 | struct device *dev; | ||
66 | const char *label; | ||
67 | unsigned int flags; | ||
68 | |||
69 | enum usb_phy_type type; | ||
70 | enum usb_otg_state state; | ||
71 | enum usb_phy_events last_event; | ||
72 | |||
73 | struct usb_otg *otg; | ||
74 | |||
75 | struct device *io_dev; | ||
76 | struct usb_phy_io_ops *io_ops; | ||
77 | void __iomem *io_priv; | ||
78 | |||
79 | /* for notification of usb_phy_events */ | ||
80 | struct atomic_notifier_head notifier; | ||
81 | |||
82 | /* to pass extra port status to the root hub */ | ||
83 | u16 port_status; | ||
84 | u16 port_change; | ||
85 | |||
86 | /* to support controllers that have multiple transceivers */ | ||
87 | struct list_head head; | ||
88 | |||
89 | /* initialize/shutdown the OTG controller */ | ||
90 | int (*init)(struct usb_phy *x); | ||
91 | void (*shutdown)(struct usb_phy *x); | ||
92 | |||
93 | /* effective for B devices, ignored for A-peripheral */ | ||
94 | int (*set_power)(struct usb_phy *x, | ||
95 | unsigned mA); | ||
96 | |||
97 | /* for non-OTG B devices: set transceiver into suspend mode */ | ||
98 | int (*set_suspend)(struct usb_phy *x, | ||
99 | int suspend); | ||
100 | |||
101 | /* notify phy connect status change */ | ||
102 | int (*notify_connect)(struct usb_phy *x, int port); | ||
103 | int (*notify_disconnect)(struct usb_phy *x, int port); | ||
104 | }; | ||
105 | |||
106 | |||
107 | /* for board-specific init logic */ | ||
108 | extern int usb_add_phy(struct usb_phy *, enum usb_phy_type type); | ||
109 | extern void usb_remove_phy(struct usb_phy *); | ||
110 | |||
111 | /* helpers for direct access thru low-level io interface */ | ||
112 | static inline int usb_phy_io_read(struct usb_phy *x, u32 reg) | ||
113 | { | ||
114 | if (x->io_ops && x->io_ops->read) | ||
115 | return x->io_ops->read(x, reg); | ||
116 | |||
117 | return -EINVAL; | ||
118 | } | ||
119 | |||
120 | static inline int usb_phy_io_write(struct usb_phy *x, u32 val, u32 reg) | ||
121 | { | ||
122 | if (x->io_ops && x->io_ops->write) | ||
123 | return x->io_ops->write(x, val, reg); | ||
124 | |||
125 | return -EINVAL; | ||
126 | } | ||
127 | |||
128 | static inline int | ||
129 | usb_phy_init(struct usb_phy *x) | ||
130 | { | ||
131 | if (x->init) | ||
132 | return x->init(x); | ||
133 | |||
134 | return 0; | ||
135 | } | ||
136 | |||
137 | static inline void | ||
138 | usb_phy_shutdown(struct usb_phy *x) | ||
139 | { | ||
140 | if (x->shutdown) | ||
141 | x->shutdown(x); | ||
142 | } | ||
143 | |||
144 | /* for usb host and peripheral controller drivers */ | ||
145 | #ifdef CONFIG_USB_OTG_UTILS | ||
146 | extern struct usb_phy *usb_get_phy(enum usb_phy_type type); | ||
147 | extern struct usb_phy *devm_usb_get_phy(struct device *dev, | ||
148 | enum usb_phy_type type); | ||
149 | extern void usb_put_phy(struct usb_phy *); | ||
150 | extern void devm_usb_put_phy(struct device *dev, struct usb_phy *x); | ||
151 | #else | ||
152 | static inline struct usb_phy *usb_get_phy(enum usb_phy_type type) | ||
153 | { | ||
154 | return NULL; | ||
155 | } | ||
156 | |||
157 | static inline struct usb_phy *devm_usb_get_phy(struct device *dev, | ||
158 | enum usb_phy_type type) | ||
159 | { | ||
160 | return NULL; | ||
161 | } | ||
162 | |||
163 | static inline void usb_put_phy(struct usb_phy *x) | ||
164 | { | ||
165 | } | ||
166 | |||
167 | static inline void devm_usb_put_phy(struct device *dev, struct usb_phy *x) | ||
168 | { | ||
169 | } | ||
170 | |||
171 | #endif | ||
172 | |||
173 | static inline int | ||
174 | usb_phy_set_power(struct usb_phy *x, unsigned mA) | ||
175 | { | ||
176 | if (x && x->set_power) | ||
177 | return x->set_power(x, mA); | ||
178 | return 0; | ||
179 | } | ||
180 | |||
181 | /* Context: can sleep */ | ||
182 | static inline int | ||
183 | usb_phy_set_suspend(struct usb_phy *x, int suspend) | ||
184 | { | ||
185 | if (x->set_suspend != NULL) | ||
186 | return x->set_suspend(x, suspend); | ||
187 | else | ||
188 | return 0; | ||
189 | } | ||
190 | |||
191 | static inline int | ||
192 | usb_phy_notify_connect(struct usb_phy *x, int port) | ||
193 | { | ||
194 | if (x->notify_connect) | ||
195 | return x->notify_connect(x, port); | ||
196 | else | ||
197 | return 0; | ||
198 | } | ||
199 | |||
200 | static inline int | ||
201 | usb_phy_notify_disconnect(struct usb_phy *x, int port) | ||
202 | { | ||
203 | if (x->notify_disconnect) | ||
204 | return x->notify_disconnect(x, port); | ||
205 | else | ||
206 | return 0; | ||
207 | } | ||
208 | |||
209 | /* notifiers */ | ||
210 | static inline int | ||
211 | usb_register_notifier(struct usb_phy *x, struct notifier_block *nb) | ||
212 | { | ||
213 | return atomic_notifier_chain_register(&x->notifier, nb); | ||
214 | } | ||
215 | |||
216 | static inline void | ||
217 | usb_unregister_notifier(struct usb_phy *x, struct notifier_block *nb) | ||
218 | { | ||
219 | atomic_notifier_chain_unregister(&x->notifier, nb); | ||
220 | } | ||
221 | |||
222 | static inline const char *usb_phy_type_string(enum usb_phy_type type) | ||
223 | { | ||
224 | switch (type) { | ||
225 | case USB_PHY_TYPE_USB2: | ||
226 | return "USB2 PHY"; | ||
227 | case USB_PHY_TYPE_USB3: | ||
228 | return "USB3 PHY"; | ||
229 | default: | ||
230 | return "UNKNOWN PHY TYPE"; | ||
231 | } | ||
232 | } | ||
233 | #endif /* __LINUX_USB_PHY_H */ | ||
diff --git a/include/linux/usb/phy_companion.h b/include/linux/usb/phy_companion.h new file mode 100644 index 000000000000..edd2ec23d282 --- /dev/null +++ b/include/linux/usb/phy_companion.h | |||
@@ -0,0 +1,34 @@ | |||
1 | /* | ||
2 | * phy-companion.h -- phy companion to indicate the comparator part of PHY | ||
3 | * | ||
4 | * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License as published by | ||
7 | * the Free Software Foundation; either version 2 of the License, or | ||
8 | * (at your option) any later version. | ||
9 | * | ||
10 | * Author: Kishon Vijay Abraham I <kishon@ti.com> | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | */ | ||
18 | |||
19 | #ifndef __DRIVERS_PHY_COMPANION_H | ||
20 | #define __DRIVERS_PHY_COMPANION_H | ||
21 | |||
22 | #include <linux/usb/otg.h> | ||
23 | |||
24 | /* phy_companion to take care of VBUS, ID and srp capabilities */ | ||
25 | struct phy_companion { | ||
26 | |||
27 | /* effective for A-peripheral, ignored for B devices */ | ||
28 | int (*set_vbus)(struct phy_companion *x, bool enabled); | ||
29 | |||
30 | /* for B devices only: start session with A-Host */ | ||
31 | int (*start_srp)(struct phy_companion *x); | ||
32 | }; | ||
33 | |||
34 | #endif /* __DRIVERS_PHY_COMPANION_H */ | ||
diff --git a/include/linux/usb/tegra_usb_phy.h b/include/linux/usb/tegra_usb_phy.h new file mode 100644 index 000000000000..176b1ca06ae4 --- /dev/null +++ b/include/linux/usb/tegra_usb_phy.h | |||
@@ -0,0 +1,80 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2010 Google, Inc. | ||
3 | * | ||
4 | * This software is licensed under the terms of the GNU General Public | ||
5 | * License version 2, as published by the Free Software Foundation, and | ||
6 | * may be copied, distributed, and modified under those terms. | ||
7 | * | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | */ | ||
14 | |||
15 | #ifndef __TEGRA_USB_PHY_H | ||
16 | #define __TEGRA_USB_PHY_H | ||
17 | |||
18 | #include <linux/clk.h> | ||
19 | #include <linux/usb/otg.h> | ||
20 | |||
21 | struct tegra_utmip_config { | ||
22 | u8 hssync_start_delay; | ||
23 | u8 elastic_limit; | ||
24 | u8 idle_wait_delay; | ||
25 | u8 term_range_adj; | ||
26 | u8 xcvr_setup; | ||
27 | u8 xcvr_lsfslew; | ||
28 | u8 xcvr_lsrslew; | ||
29 | }; | ||
30 | |||
31 | struct tegra_ulpi_config { | ||
32 | int reset_gpio; | ||
33 | const char *clk; | ||
34 | }; | ||
35 | |||
36 | enum tegra_usb_phy_port_speed { | ||
37 | TEGRA_USB_PHY_PORT_SPEED_FULL = 0, | ||
38 | TEGRA_USB_PHY_PORT_SPEED_LOW, | ||
39 | TEGRA_USB_PHY_PORT_SPEED_HIGH, | ||
40 | }; | ||
41 | |||
42 | enum tegra_usb_phy_mode { | ||
43 | TEGRA_USB_PHY_MODE_DEVICE, | ||
44 | TEGRA_USB_PHY_MODE_HOST, | ||
45 | }; | ||
46 | |||
47 | struct tegra_xtal_freq; | ||
48 | |||
49 | struct tegra_usb_phy { | ||
50 | int instance; | ||
51 | const struct tegra_xtal_freq *freq; | ||
52 | void __iomem *regs; | ||
53 | void __iomem *pad_regs; | ||
54 | struct clk *clk; | ||
55 | struct clk *pll_u; | ||
56 | struct clk *pad_clk; | ||
57 | enum tegra_usb_phy_mode mode; | ||
58 | void *config; | ||
59 | struct usb_phy *ulpi; | ||
60 | struct usb_phy u_phy; | ||
61 | struct device *dev; | ||
62 | }; | ||
63 | |||
64 | struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance, | ||
65 | void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode); | ||
66 | |||
67 | void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy); | ||
68 | |||
69 | void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy); | ||
70 | |||
71 | void tegra_usb_phy_preresume(struct tegra_usb_phy *phy); | ||
72 | |||
73 | void tegra_usb_phy_postresume(struct tegra_usb_phy *phy); | ||
74 | |||
75 | void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy, | ||
76 | enum tegra_usb_phy_port_speed port_speed); | ||
77 | |||
78 | void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy); | ||
79 | |||
80 | #endif /* __TEGRA_USB_PHY_H */ | ||