Kuninori Morimoto | f1407d5 | 2011-04-04 13:44:59 +0900 | [diff] [blame] | 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 | */ |
| 27 | struct usbhs_irq_state { |
| 28 | u16 intsts0; |
| 29 | u16 intsts1; |
| 30 | u16 brdysts; |
| 31 | u16 nrdysts; |
| 32 | u16 bempsts; |
| 33 | u16 dvstctr; |
| 34 | }; |
| 35 | |
| 36 | struct 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 | |
| 68 | struct usbhs_mod_info { |
| 69 | struct usbhs_mod *mod[USBHS_MAX]; |
| 70 | struct usbhs_mod *curt; /* current mod */ |
| 71 | }; |
| 72 | |
| 73 | /* |
| 74 | * for host/gadget module |
| 75 | */ |
| 76 | struct usbhs_mod *usbhs_mod_get(struct usbhs_priv *priv, int id); |
| 77 | struct usbhs_mod *usbhs_mod_get_current(struct usbhs_priv *priv); |
| 78 | void usbhs_mod_register(struct usbhs_priv *priv, struct usbhs_mod *usb, int id); |
| 79 | int usbhs_mod_is_host(struct usbhs_priv *priv, struct usbhs_mod *mod); |
| 80 | int usbhs_mod_change(struct usbhs_priv *priv, int id); |
| 81 | int usbhs_mod_probe(struct usbhs_priv *priv); |
| 82 | void usbhs_mod_remove(struct usbhs_priv *priv); |
| 83 | |
| 84 | /* |
| 85 | * status functions |
| 86 | */ |
| 87 | int usbhs_status_get_usb_speed(struct usbhs_irq_state *irq_state); |
| 88 | int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state); |
| 89 | int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state); |
| 90 | |
| 91 | /* |
| 92 | * callback functions |
| 93 | */ |
| 94 | void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod); |
| 95 | |
| 96 | |
| 97 | #define usbhs_mod_call(priv, func, param...) \ |
| 98 | ({ \ |
| 99 | struct usbhs_mod *mod; \ |
| 100 | mod = usbhs_mod_get_current(priv); \ |
| 101 | !mod ? -ENODEV : \ |
| 102 | !mod->func ? 0 : \ |
| 103 | mod->func(param); \ |
| 104 | }) |
| 105 | |
Kuninori Morimoto | 2f98382 | 2011-04-05 11:40:54 +0900 | [diff] [blame] | 106 | /* |
| 107 | * gadget control |
| 108 | */ |
| 109 | #ifdef CONFIG_USB_RENESAS_USBHS_UDC |
| 110 | extern int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv); |
| 111 | extern void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv); |
| 112 | #else |
| 113 | static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv) |
| 114 | { |
| 115 | return 0; |
| 116 | } |
| 117 | static inline void usbhs_mod_gadget_remove(struct usbhs_priv *priv) |
| 118 | { |
| 119 | } |
| 120 | #endif |
| 121 | |
Kuninori Morimoto | f1407d5 | 2011-04-04 13:44:59 +0900 | [diff] [blame] | 122 | #endif /* RENESAS_USB_MOD_H */ |