diff options
Diffstat (limited to 'drivers/usb/phy/phy-fsm-usb.h')
-rw-r--r-- | drivers/usb/phy/phy-fsm-usb.h | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/drivers/usb/phy/phy-fsm-usb.h b/drivers/usb/phy/phy-fsm-usb.h deleted file mode 100644 index 7441b46a27f..00000000000 --- a/drivers/usb/phy/phy-fsm-usb.h +++ /dev/null @@ -1,236 +0,0 @@ -/* Copyright (C) 2007,2008 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#undef VERBOSE - -#ifdef VERBOSE -#define VDBG(fmt, args...) pr_debug("[%s] " fmt , \ - __func__, ## args) -#else -#define VDBG(stuff...) do {} while (0) -#endif - -#ifdef VERBOSE -#define MPC_LOC printk("Current Location [%s]:[%d]\n", __FILE__, __LINE__) -#else -#define MPC_LOC do {} while (0) -#endif - -#define PROTO_UNDEF (0) -#define PROTO_HOST (1) -#define PROTO_GADGET (2) - -enum otg_fsm_timer { - /* Standard OTG timers */ - A_WAIT_VRISE, - A_WAIT_VFALL, - A_WAIT_BCON, - A_AIDL_BDIS, - B_ASE0_BRST, - A_BIDL_ADIS, - - /* Auxiliary timers */ - B_SE0_SRP, - B_SRP_FAIL, - A_WAIT_ENUM, - - NUM_OTG_FSM_TIMERS, -}; - -/* OTG state machine according to the OTG spec */ -struct otg_fsm { - /* Input */ - int id; - int adp_change; - int power_up; - int test_device; - int a_bus_drop; - int a_bus_req; - int a_srp_det; - int a_vbus_vld; - int b_conn; - int a_bus_resume; - int a_bus_suspend; - int a_conn; - int b_bus_req; - int b_se0_srp; - int b_ssend_srp; - int b_sess_vld; - /* Auxilary inputs */ - int a_sess_vld; - int b_bus_resume; - int b_bus_suspend; - - /* Output */ - int data_pulse; - int drv_vbus; - int loc_conn; - int loc_sof; - int adp_prb; - int adp_sns; - - /* Internal variables */ - int a_set_b_hnp_en; - int b_srp_done; - int b_hnp_enable; - int a_clr_err; - - /* Informative variables */ - int a_bus_drop_inf; - int a_bus_req_inf; - int a_clr_err_inf; - int b_bus_req_inf; - /* Auxilary informative variables */ - int a_suspend_req_inf; - - /* Timeout indicator for timers */ - int a_wait_vrise_tmout; - int a_wait_vfall_tmout; - int a_wait_bcon_tmout; - int a_aidl_bdis_tmout; - int b_ase0_brst_tmout; - int a_bidl_adis_tmout; - - struct otg_fsm_ops *ops; - struct usb_otg *otg; - - /* Current usb protocol used: 0:undefine; 1:host; 2:client */ - int protocol; - spinlock_t lock; -}; - -struct otg_fsm_ops { - void (*chrg_vbus)(struct otg_fsm *fsm, int on); - void (*drv_vbus)(struct otg_fsm *fsm, int on); - void (*loc_conn)(struct otg_fsm *fsm, int on); - void (*loc_sof)(struct otg_fsm *fsm, int on); - void (*start_pulse)(struct otg_fsm *fsm); - void (*start_adp_prb)(struct otg_fsm *fsm); - void (*start_adp_sns)(struct otg_fsm *fsm); - void (*add_timer)(struct otg_fsm *fsm, enum otg_fsm_timer timer); - void (*del_timer)(struct otg_fsm *fsm, enum otg_fsm_timer timer); - int (*start_host)(struct otg_fsm *fsm, int on); - int (*start_gadget)(struct otg_fsm *fsm, int on); -}; - - -static inline int otg_chrg_vbus(struct otg_fsm *fsm, int on) -{ - if (!fsm->ops->chrg_vbus) - return -EOPNOTSUPP; - fsm->ops->chrg_vbus(fsm, on); - return 0; -} - -static inline int otg_drv_vbus(struct otg_fsm *fsm, int on) -{ - if (!fsm->ops->drv_vbus) - return -EOPNOTSUPP; - if (fsm->drv_vbus != on) { - fsm->drv_vbus = on; - fsm->ops->drv_vbus(fsm, on); - } - return 0; -} - -static inline int otg_loc_conn(struct otg_fsm *fsm, int on) -{ - if (!fsm->ops->loc_conn) - return -EOPNOTSUPP; - if (fsm->loc_conn != on) { - fsm->loc_conn = on; - fsm->ops->loc_conn(fsm, on); - } - return 0; -} - -static inline int otg_loc_sof(struct otg_fsm *fsm, int on) -{ - if (!fsm->ops->loc_sof) - return -EOPNOTSUPP; - if (fsm->loc_sof != on) { - fsm->loc_sof = on; - fsm->ops->loc_sof(fsm, on); - } - return 0; -} - -static inline int otg_start_pulse(struct otg_fsm *fsm) -{ - if (!fsm->ops->start_pulse) - return -EOPNOTSUPP; - if (!fsm->data_pulse) { - fsm->data_pulse = 1; - fsm->ops->start_pulse(fsm); - } - return 0; -} - -static inline int otg_start_adp_prb(struct otg_fsm *fsm) -{ - if (!fsm->ops->start_adp_prb) - return -EOPNOTSUPP; - if (!fsm->adp_prb) { - fsm->adp_sns = 0; - fsm->adp_prb = 1; - fsm->ops->start_adp_prb(fsm); - } - return 0; -} - -static inline int otg_start_adp_sns(struct otg_fsm *fsm) -{ - if (!fsm->ops->start_adp_sns) - return -EOPNOTSUPP; - if (!fsm->adp_sns) { - fsm->adp_sns = 1; - fsm->ops->start_adp_sns(fsm); - } - return 0; -} - -static inline int otg_add_timer(struct otg_fsm *fsm, enum otg_fsm_timer timer) -{ - if (!fsm->ops->add_timer) - return -EOPNOTSUPP; - fsm->ops->add_timer(fsm, timer); - return 0; -} - -static inline int otg_del_timer(struct otg_fsm *fsm, enum otg_fsm_timer timer) -{ - if (!fsm->ops->del_timer) - return -EOPNOTSUPP; - fsm->ops->del_timer(fsm, timer); - return 0; -} - -static inline int otg_start_host(struct otg_fsm *fsm, int on) -{ - if (!fsm->ops->start_host) - return -EOPNOTSUPP; - return fsm->ops->start_host(fsm, on); -} - -static inline int otg_start_gadget(struct otg_fsm *fsm, int on) -{ - if (!fsm->ops->start_gadget) - return -EOPNOTSUPP; - return fsm->ops->start_gadget(fsm, on); -} - -int otg_statemachine(struct otg_fsm *fsm); |