1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_USB_AS_H 27 #define _SYS_USB_AS_H 28 29 30 #include <sys/usb/usba/usbai_private.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* driver specific macros */ 37 #define USB_AS_HIWATER (AM_MAX_QUEUED_MSGS_SIZE) 38 #define USB_AS_LOWATER (32*1024) 39 40 41 /* this structure is built from the descriptors */ 42 typedef struct usb_as_alt_descr { 43 uchar_t alt_mode; /* USB_AUDIO_PLAY/RECORD */ 44 uchar_t alt_valid; 45 uchar_t alt_format_len; 46 47 uchar_t alt_n_sample_rates; 48 uint_t *alt_sample_rates; 49 uint_t alt_continuous_sr; 50 51 usb_if_descr_t *alt_if; 52 usb_audio_as_if_descr_t *alt_general; 53 usb_audio_type1_format_descr_t *alt_format; 54 usb_ep_descr_t *alt_ep; 55 usb_audio_as_isoc_ep_descr_t *alt_cs_ep; 56 } usb_as_alt_descr_t; 57 58 59 typedef struct usb_as_power { 60 void *aspm_state; /* points back to usb_as_state */ 61 int aspm_pm_busy; /* device busy accounting */ 62 uint8_t aspm_wakeup_enabled; 63 64 /* this is the bit mask of the power states that device has */ 65 uint8_t aspm_pwr_states; 66 67 /* wakeup and power transistion capabilites of an interface */ 68 uint8_t aspm_capabilities; 69 70 /* current power level the device is in */ 71 uint8_t aspm_current_power; 72 } usb_as_power_t; 73 74 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_power_t::aspm_state)) 75 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_power_t::aspm_wakeup_enabled)) 76 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_power_t::aspm_pwr_states)) 77 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_power_t::aspm_capabilities)) 78 _NOTE(SCHEME_PROTECTS_DATA("unshared", usb_ctrl_req)) 79 80 81 /* usb_as soft state */ 82 typedef struct usb_as_state { 83 dev_info_t *usb_as_dip; 84 uint_t usb_as_instance; 85 usb_log_handle_t usb_as_log_handle; 86 uint_t usb_as_dev_state; 87 uint_t usb_as_ifno; 88 kmutex_t usb_as_mutex; 89 kcondvar_t usb_as_pipe_cv; 90 91 92 uint_t usb_as_flag; /* status */ 93 94 /* mblk containing the current control command */ 95 mblk_t *usb_as_def_mblk; 96 97 /* serialization */ 98 usb_serialization_t usb_as_ser_acc; 99 100 /* registration data */ 101 usb_client_dev_data_t *usb_as_dev_data; 102 103 /* info from descriptors per alternate */ 104 uint_t usb_as_n_alternates; 105 usb_as_alt_descr_t *usb_as_alts; 106 uint_t usb_as_alternate; 107 108 /* pipe handle */ 109 usb_pipe_handle_t usb_as_default_ph; 110 111 /* See below for flags */ 112 uchar_t usb_as_xfer_cr; 113 114 /* Isoc pipe stuff */ 115 usb_pipe_handle_t usb_as_isoc_ph; 116 usb_pipe_policy_t usb_as_isoc_pp; 117 void * usb_as_ahdl; 118 119 uint_t usb_as_request_count; 120 uint_t usb_as_request_samples; 121 uint_t usb_as_curr_sr; 122 usb_audio_formats_t usb_as_curr_format; 123 124 uint_t usb_as_pkt_count; 125 ushort_t usb_as_record_pkt_size; 126 127 uchar_t usb_as_audio_state; 128 uchar_t usb_as_setup_cnt; 129 130 usb_as_power_t *usb_as_pm; /* power capabilities */ 131 132 /* registration data */ 133 usb_as_registration_t usb_as_reg; 134 135 /* debug support */ 136 uint_t usb_as_send_debug_count; 137 uint_t usb_as_rcv_debug_count; 138 char dstr[64]; 139 } usb_as_state_t; 140 141 /* warlock directives, stable data */ 142 _NOTE(MUTEX_PROTECTS_DATA(usb_as_state_t::usb_as_mutex, usb_as_state_t)) 143 _NOTE(MUTEX_PROTECTS_DATA(usb_as_state_t::usb_as_mutex, usb_as_power_t)) 144 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_state_t::usb_as_dip)) 145 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_state_t::usb_as_pm)) 146 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_state_t::usb_as_instance)) 147 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_state_t::usb_as_default_ph)) 148 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_state_t::usb_as_isoc_ph)) 149 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_state_t::usb_as_log_handle)) 150 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_state_t::usb_as_dev_data)) 151 _NOTE(DATA_READABLE_WITHOUT_LOCK(usb_as_state_t::usb_as_ser_acc)) 152 153 typedef struct usb_as_tq_arg { 154 usb_as_state_t *usb_as_tq_arg_statep; 155 int usb_as_tq_arg_cr; 156 } usb_as_tq_arg_t; 157 158 _NOTE(SCHEME_PROTECTS_DATA("unique per call", usb_as_tq_arg_t)) 159 160 161 /* Default pipe states */ 162 #define USB_AS_DEF_AVAILABLE 0 163 #define USB_AS_DEF_INUSE 1 164 #define USB_AS_DEF_UNAVAILABLE 2 165 166 167 /* 168 * If a command has been initiated, the close callback should know 169 * how it finished. If there has been an error and ex cb initiaited 170 * the async pipe close, an M_ERROR should be sent up. If no error and 171 * default xfer cb had initiated close, M_CTL should be sent up. In 172 * some other cases, close callback may not send anything up. 173 */ 174 #define USB_AS_SEND_MERR 1 175 #define USB_AS_SEND_MCTL 2 176 #define USB_AS_SEND_NONE 3 177 178 179 /* 180 * States of playing/recording flag 181 */ 182 #define USB_AS_IDLE 0 183 #define USB_AS_ACTIVE 1 184 #define USB_AS_PLAY_PAUSED 2 185 #define USB_AS_STOP_POLLING_STARTED 3 186 187 /* 188 * Define constants needed for isoc transfer 189 */ 190 #define USB_AS_N_FRAMES 8 191 #define USB_AS_MAX_REQUEST_COUNT 3 192 193 /* 194 * usb_as turns the M_CTL request into a request control request on the 195 * default pipe. usb_as needs the following information in the usb_as_req_t 196 * structure. See the details below for specific values for each command. 197 */ 198 typedef struct usb_as_req { 199 uint16_t usb_as_req_wValue; /* wValue field of request */ 200 uint16_t usb_as_req_wIndex; /* wIndex field of request */ 201 uint16_t usb_as_req_wLength; /* wLength of request */ 202 mblk_t *usb_as_req_data; /* data for send case */ 203 } usb_as_req_t; 204 205 206 /* status */ 207 #define USB_AS_OPEN 1 208 #define USB_AS_DISMANTLING 2 209 210 #define USB_AS_BUFFER_SIZE 256 /* descriptor buffer size */ 211 212 /* minor node */ 213 #define USB_AS_CONSTRUCT_MINOR(inst) (inst) 214 #define USB_AS_MINOR_TO_INSTANCE(inst) (inst) 215 216 #ifdef __cplusplus 217 } 218 #endif 219 220 #endif /* _SYS_USB_AS_H */ 221