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