1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Greybus bundles 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright 2014 Google Inc. 6*4882a593Smuzhiyun * Copyright 2014 Linaro Ltd. 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef __BUNDLE_H 10*4882a593Smuzhiyun #define __BUNDLE_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/types.h> 13*4882a593Smuzhiyun #include <linux/list.h> 14*4882a593Smuzhiyun #include <linux/pm_runtime.h> 15*4882a593Smuzhiyun #include <linux/device.h> 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define BUNDLE_ID_NONE U8_MAX 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* Greybus "public" definitions" */ 20*4882a593Smuzhiyun struct gb_bundle { 21*4882a593Smuzhiyun struct device dev; 22*4882a593Smuzhiyun struct gb_interface *intf; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun u8 id; 25*4882a593Smuzhiyun u8 class; 26*4882a593Smuzhiyun u8 class_major; 27*4882a593Smuzhiyun u8 class_minor; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun size_t num_cports; 30*4882a593Smuzhiyun struct greybus_descriptor_cport *cport_desc; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun struct list_head connections; 33*4882a593Smuzhiyun u8 *state; 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun struct list_head links; /* interface->bundles */ 36*4882a593Smuzhiyun }; 37*4882a593Smuzhiyun #define to_gb_bundle(d) container_of(d, struct gb_bundle, dev) 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun /* Greybus "private" definitions" */ 40*4882a593Smuzhiyun struct gb_bundle *gb_bundle_create(struct gb_interface *intf, u8 bundle_id, 41*4882a593Smuzhiyun u8 class); 42*4882a593Smuzhiyun int gb_bundle_add(struct gb_bundle *bundle); 43*4882a593Smuzhiyun void gb_bundle_destroy(struct gb_bundle *bundle); 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun /* Bundle Runtime PM wrappers */ 46*4882a593Smuzhiyun #ifdef CONFIG_PM gb_pm_runtime_get_sync(struct gb_bundle * bundle)47*4882a593Smuzhiyunstatic inline int gb_pm_runtime_get_sync(struct gb_bundle *bundle) 48*4882a593Smuzhiyun { 49*4882a593Smuzhiyun int retval; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun retval = pm_runtime_get_sync(&bundle->dev); 52*4882a593Smuzhiyun if (retval < 0) { 53*4882a593Smuzhiyun dev_err(&bundle->dev, 54*4882a593Smuzhiyun "pm_runtime_get_sync failed: %d\n", retval); 55*4882a593Smuzhiyun pm_runtime_put_noidle(&bundle->dev); 56*4882a593Smuzhiyun return retval; 57*4882a593Smuzhiyun } 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun return 0; 60*4882a593Smuzhiyun } 61*4882a593Smuzhiyun gb_pm_runtime_put_autosuspend(struct gb_bundle * bundle)62*4882a593Smuzhiyunstatic inline int gb_pm_runtime_put_autosuspend(struct gb_bundle *bundle) 63*4882a593Smuzhiyun { 64*4882a593Smuzhiyun int retval; 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun pm_runtime_mark_last_busy(&bundle->dev); 67*4882a593Smuzhiyun retval = pm_runtime_put_autosuspend(&bundle->dev); 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun return retval; 70*4882a593Smuzhiyun } 71*4882a593Smuzhiyun gb_pm_runtime_get_noresume(struct gb_bundle * bundle)72*4882a593Smuzhiyunstatic inline void gb_pm_runtime_get_noresume(struct gb_bundle *bundle) 73*4882a593Smuzhiyun { 74*4882a593Smuzhiyun pm_runtime_get_noresume(&bundle->dev); 75*4882a593Smuzhiyun } 76*4882a593Smuzhiyun gb_pm_runtime_put_noidle(struct gb_bundle * bundle)77*4882a593Smuzhiyunstatic inline void gb_pm_runtime_put_noidle(struct gb_bundle *bundle) 78*4882a593Smuzhiyun { 79*4882a593Smuzhiyun pm_runtime_put_noidle(&bundle->dev); 80*4882a593Smuzhiyun } 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun #else gb_pm_runtime_get_sync(struct gb_bundle * bundle)83*4882a593Smuzhiyunstatic inline int gb_pm_runtime_get_sync(struct gb_bundle *bundle) 84*4882a593Smuzhiyun { return 0; } gb_pm_runtime_put_autosuspend(struct gb_bundle * bundle)85*4882a593Smuzhiyunstatic inline int gb_pm_runtime_put_autosuspend(struct gb_bundle *bundle) 86*4882a593Smuzhiyun { return 0; } 87*4882a593Smuzhiyun gb_pm_runtime_get_noresume(struct gb_bundle * bundle)88*4882a593Smuzhiyunstatic inline void gb_pm_runtime_get_noresume(struct gb_bundle *bundle) {} gb_pm_runtime_put_noidle(struct gb_bundle * bundle)89*4882a593Smuzhiyunstatic inline void gb_pm_runtime_put_noidle(struct gb_bundle *bundle) {} 90*4882a593Smuzhiyun #endif 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun #endif /* __BUNDLE_H */ 93