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1/*
2 * Renesas USB driver
3 *
4 * Copyright (C) 2011 Renesas Solutions Corp.
5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
15 *
16 */
17#ifndef RENESAS_USB_MOD_H
18#define RENESAS_USB_MOD_H
19
20#include <linux/spinlock.h>
21#include <linux/usb/renesas_usbhs.h>
22#include "./common.h"
23
24/*
25 * struct
26 */
27struct usbhs_irq_state {
28 u16 intsts0;
29 u16 intsts1;
30 u16 brdysts;
31 u16 nrdysts;
32 u16 bempsts;
33 u16 dvstctr;
34};
35
36struct usbhs_mod {
37 char *name;
38
39 /*
40 * entry point from common.c
41 */
42 int (*start)(struct usbhs_priv *priv);
43 int (*stop)(struct usbhs_priv *priv);
44
45 /* INTSTS0 :: DVST (DVSQ) */
46 int (*irq_dev_state)(struct usbhs_priv *priv,
47 struct usbhs_irq_state *irq_state);
48
49 /* INTSTS0 :: CTRT (CTSQ) */
50 int (*irq_ctrl_stage)(struct usbhs_priv *priv,
51 struct usbhs_irq_state *irq_state);
52
53 /* INTSTS0 :: BEMP */
54 /* BEMPSTS */
55 int (*irq_empty)(struct usbhs_priv *priv,
56 struct usbhs_irq_state *irq_state);
57 u16 irq_bempsts;
58
59 /* INTSTS0 :: BRDY */
60 /* BRDYSTS */
61 int (*irq_ready)(struct usbhs_priv *priv,
62 struct usbhs_irq_state *irq_state);
63 u16 irq_brdysts;
64
65 struct usbhs_priv *priv;
66};
67
68struct usbhs_mod_info {
69 struct usbhs_mod *mod[USBHS_MAX];
70 struct usbhs_mod *curt; /* current mod */
71
72 /*
73 * INTSTS0 :: VBINT
74 *
75 * This function will be used as autonomy mode
76 * when platform cannot call notify_hotplug.
77 *
78 * This callback cannot be member of "struct usbhs_mod"
79 * because it will be used even though
80 * host/gadget has not been selected.
81 */
82 int (*irq_vbus)(struct usbhs_priv *priv,
83 struct usbhs_irq_state *irq_state);
84};
85
86/*
87 * for host/gadget module
88 */
89struct usbhs_mod *usbhs_mod_get(struct usbhs_priv *priv, int id);
90struct usbhs_mod *usbhs_mod_get_current(struct usbhs_priv *priv);
91void usbhs_mod_register(struct usbhs_priv *priv, struct usbhs_mod *usb, int id);
92int usbhs_mod_is_host(struct usbhs_priv *priv, struct usbhs_mod *mod);
93int usbhs_mod_change(struct usbhs_priv *priv, int id);
94int usbhs_mod_probe(struct usbhs_priv *priv);
95void usbhs_mod_remove(struct usbhs_priv *priv);
96
97void usbhs_mod_autonomy_mode(struct usbhs_priv *priv);
98
99/*
100 * status functions
101 */
102int usbhs_status_get_usb_speed(struct usbhs_irq_state *irq_state);
103int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state);
104int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state);
105
106/*
107 * callback functions
108 */
109void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod);
110
111
112#define usbhs_mod_call(priv, func, param...) \
113 ({ \
114 struct usbhs_mod *mod; \
115 mod = usbhs_mod_get_current(priv); \
116 !mod ? -ENODEV : \
117 !mod->func ? 0 : \
118 mod->func(param); \
119 })
120
121/*
122 * gadget control
123 */
124#ifdef CONFIG_USB_RENESAS_USBHS_UDC
125extern int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv);
126extern void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv);
127#else
128static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
129{
130 return 0;
131}
132static inline void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
133{
134}
135#endif
136
137#endif /* RENESAS_USB_MOD_H */
1// SPDX-License-Identifier: GPL-1.0+
2/*
3 * Renesas USB driver
4 *
5 * Copyright (C) 2011 Renesas Solutions Corp.
6 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
7 */
8#ifndef RENESAS_USB_MOD_H
9#define RENESAS_USB_MOD_H
10
11#include <linux/spinlock.h>
12#include <linux/usb/renesas_usbhs.h>
13#include "common.h"
14
15/*
16 * struct
17 */
18struct usbhs_irq_state {
19 u16 intsts0;
20 u16 intsts1;
21 u16 brdysts;
22 u16 nrdysts;
23 u16 bempsts;
24};
25
26struct usbhs_mod {
27 char *name;
28
29 /*
30 * entry point from common.c
31 */
32 int (*start)(struct usbhs_priv *priv);
33 int (*stop)(struct usbhs_priv *priv);
34
35 /*
36 * INTSTS0
37 */
38
39 /* DVST (DVSQ) */
40 int (*irq_dev_state)(struct usbhs_priv *priv,
41 struct usbhs_irq_state *irq_state);
42
43 /* CTRT (CTSQ) */
44 int (*irq_ctrl_stage)(struct usbhs_priv *priv,
45 struct usbhs_irq_state *irq_state);
46
47 /* BEMP / BEMPSTS */
48 int (*irq_empty)(struct usbhs_priv *priv,
49 struct usbhs_irq_state *irq_state);
50 u16 irq_bempsts;
51
52 /* BRDY / BRDYSTS */
53 int (*irq_ready)(struct usbhs_priv *priv,
54 struct usbhs_irq_state *irq_state);
55 u16 irq_brdysts;
56
57 /*
58 * INTSTS1
59 */
60
61 /* ATTCHE */
62 int (*irq_attch)(struct usbhs_priv *priv,
63 struct usbhs_irq_state *irq_state);
64
65 /* DTCHE */
66 int (*irq_dtch)(struct usbhs_priv *priv,
67 struct usbhs_irq_state *irq_state);
68
69 /* SIGN */
70 int (*irq_sign)(struct usbhs_priv *priv,
71 struct usbhs_irq_state *irq_state);
72
73 /* SACK */
74 int (*irq_sack)(struct usbhs_priv *priv,
75 struct usbhs_irq_state *irq_state);
76
77 struct usbhs_priv *priv;
78};
79
80struct usbhs_mod_info {
81 struct usbhs_mod *mod[USBHS_MAX];
82 struct usbhs_mod *curt; /* current mod */
83
84 /*
85 * INTSTS0 :: VBINT
86 *
87 * This function will be used as autonomy mode
88 * when platform cannot call notify_hotplug.
89 *
90 * This callback cannot be member of "struct usbhs_mod"
91 * because it will be used even though
92 * host/gadget has not been selected.
93 */
94 int (*irq_vbus)(struct usbhs_priv *priv,
95 struct usbhs_irq_state *irq_state);
96};
97
98/*
99 * for host/gadget module
100 */
101struct usbhs_mod *usbhs_mod_get(struct usbhs_priv *priv, int id);
102struct usbhs_mod *usbhs_mod_get_current(struct usbhs_priv *priv);
103void usbhs_mod_register(struct usbhs_priv *priv, struct usbhs_mod *usb, int id);
104int usbhs_mod_is_host(struct usbhs_priv *priv);
105int usbhs_mod_change(struct usbhs_priv *priv, int id);
106int usbhs_mod_probe(struct usbhs_priv *priv);
107void usbhs_mod_remove(struct usbhs_priv *priv);
108
109void usbhs_mod_autonomy_mode(struct usbhs_priv *priv);
110
111/*
112 * status functions
113 */
114int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state);
115int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state);
116
117/*
118 * callback functions
119 */
120void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod);
121
122
123#define usbhs_mod_call(priv, func, param...) \
124 ({ \
125 struct usbhs_mod *mod; \
126 mod = usbhs_mod_get_current(priv); \
127 !mod ? -ENODEV : \
128 !mod->func ? 0 : \
129 mod->func(param); \
130 })
131
132/*
133 * host / gadget control
134 */
135#if defined(CONFIG_USB_RENESAS_USBHS_HCD) || \
136 defined(CONFIG_USB_RENESAS_USBHS_HCD_MODULE)
137extern int usbhs_mod_host_probe(struct usbhs_priv *priv);
138extern int usbhs_mod_host_remove(struct usbhs_priv *priv);
139#else
140static inline int usbhs_mod_host_probe(struct usbhs_priv *priv)
141{
142 return 0;
143}
144static inline void usbhs_mod_host_remove(struct usbhs_priv *priv)
145{
146}
147#endif
148
149#if defined(CONFIG_USB_RENESAS_USBHS_UDC) || \
150 defined(CONFIG_USB_RENESAS_USBHS_UDC_MODULE)
151extern int usbhs_mod_gadget_probe(struct usbhs_priv *priv);
152extern void usbhs_mod_gadget_remove(struct usbhs_priv *priv);
153#else
154static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
155{
156 return 0;
157}
158static inline void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
159{
160}
161#endif
162
163#endif /* RENESAS_USB_MOD_H */