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Mon, 25 Mar 2024 15:19:10 -0700 (PDT) Received: from adam-laptop-hp.lan ([90.246.50.91]) by smtp.gmail.com with ESMTPSA id n12-20020a056000170c00b00341d1da721dsm2163805wrc.65.2024.03.25.15.19.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Mar 2024 15:19:09 -0700 (PDT) Sender: Adam Pigg From: Adam Pigg To: ofono@lists.linux.dev Cc: Adam Pigg Subject: [PATCH 1/4] [qmimodem][voicecall] Implement call dialing Date: Mon, 25 Mar 2024 22:16:59 +0000 Message-ID: <20240325221742.5931-1-adam@piggz.co.uk> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: ofono@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add voicecall dialling to the qmimodem driver Includes required infratructure and setup of the QMI services --- drivers/qmimodem/voice.h | 51 ++++ drivers/qmimodem/voicecall.c | 506 ++++++++++++++++++++++++++++++++++- 2 files changed, 555 insertions(+), 2 deletions(-) diff --git a/drivers/qmimodem/voice.h b/drivers/qmimodem/voice.h index 917e72f7..1a584f10 100644 --- a/drivers/qmimodem/voice.h +++ b/drivers/qmimodem/voice.h @@ -15,6 +15,8 @@ * */ +#include + #define QMI_VOICE_PARAM_USS_DATA 0x01 #define QMI_VOICE_PARAM_ASYNC_USSD_ERROR 0x10 @@ -25,6 +27,9 @@ #define QMI_VOICE_PARAM_USSD_IND_DATA 0x10 #define QMI_VOICE_PARAM_USSD_IND_UCS2 0x11 +#define QMI_VOICE_IND_ALL_STATUS 0x2e +#define QMI_VOICE_GET_ALL_STATUS 0x2f + /* according to GSM TS 23.038 section 5 * coding group 1111, No message class, 8 bit data */ @@ -48,6 +53,7 @@ enum qmi_ussd_user_required { /* QMI service voice. Using an enum to prevent doublicated entries */ enum voice_commands { + QMI_VOICE_DIAL_CALL = 0x20, QMI_VOICE_SUPS_NOTIFICATION_IND = 0x32, QMI_VOICE_SET_SUPS_SERVICE = 0x33, QMI_VOICE_GET_CALL_WAITING = 0x34, @@ -66,6 +72,50 @@ enum voice_commands { QMI_VOICE_GET_CNAP = 0x4d }; +enum qmi_voice_call_state { + QMI_VOICE_CALL_STATE_IDLE = 0x0, + QMI_VOICE_CALL_STATE_ORIG, + QMI_VOICE_CALL_STATE_INCOMING, + QMI_VOICE_CALL_STATE_CONV, + QMI_VOICE_CALL_STATE_CC_IN_PROG, + QMI_VOICE_CALL_STATE_ALERTING, + QMI_VOICE_CALL_STATE_HOLD, + QMI_VOICE_CALL_STATE_WAITING, + QMI_VOICE_CALL_STATE_DISCONNECTING, + QMI_VOICE_CALL_STATE_END, + QMI_VOICE_CALL_STATE_SETUP +}; + +enum qmi_voice_call_dial_param { + QMI_VOICE_DIAL_CALL_NUMBER = 0x01, + QMI_VOICE_DIAL_CALL_TYPE = 0x10 +}; + +enum qmi_voice_call_dial_return { + QMI_VOICE_DIAL_RETURN_CALL_ID = 0x10 +}; + +enum qmi_voice_all_call_status_commands { + QMI_VOICE_ALL_CALL_STATUS_CALL_INFORMATION = 0x01, + QMI_VOICE_ALL_CALL_STATUS_REMOTE_NUMBER = 0x10 +}; + +enum qmi_voice_all_call_info_commands { + QMI_VOICE_ALL_CALL_INFO_CALL_INFORMATION = 0x10, + QMI_VOICE_ALL_CALL_INFO_REMOTE_NUMBER = 0x11 +}; + +enum qmi_voice_call_type { + QMI_VOICE_CALL_TYPE_VOICE = 0x0, + QMI_VOICE_CALL_TYPE_VOICE_FORCE, +}; + +enum parse_error { + NONE = 0, + MISSING_MANDATORY = 1, + INVALID_LENGTH = 2, +}; + struct qmi_ussd_data { uint8_t dcs; uint8_t length; @@ -98,3 +148,4 @@ enum qmi_ss_reason { QMI_VOICE_SS_RSN_CLIP = 0x10, QMI_VOICE_SS_RSN_CLIR = 0x11 }; + diff --git a/drivers/qmimodem/voicecall.c b/drivers/qmimodem/voicecall.c index 059edbae..ba5ed9e4 100644 --- a/drivers/qmimodem/voicecall.c +++ b/drivers/qmimodem/voicecall.c @@ -3,6 +3,7 @@ * oFono - Open Source Telephony * * Copyright (C) 2011-2012 Intel Corporation. All rights reserved. + * Copyright (C) 2024 Adam Pigg * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -26,6 +27,10 @@ #include #include #include +#include +#include + +#include "voice.h" #include "qmi.h" @@ -35,8 +40,499 @@ struct voicecall_data { struct qmi_service *voice; uint16_t major; uint16_t minor; + struct l_queue *call_list; + struct voicecall_static *vs; + struct ofono_phone_number dialed; +}; + +struct qmi_voice_all_call_status_ind { + bool call_information_set; + const struct qmi_voice_call_information *call_information; + bool remote_party_number_set; + uint8_t remote_party_number_size; + const struct qmi_voice_remote_party_number_instance + *remote_party_number[16]; +}; + +enum parse_error +qmi_voice_call_status(struct qmi_result *qmi_result, + struct qmi_voice_all_call_status_ind *result); + +struct qmi_voice_call_information_instance { + uint8_t id; + uint8_t state; + uint8_t type; + uint8_t direction; + uint8_t mode; + uint8_t multipart_indicator; + uint8_t als; +} __attribute__((__packed__)); + +struct qmi_voice_call_information { + uint8_t size; + struct qmi_voice_call_information_instance instance[0]; +} __attribute__((__packed__)); + +struct qmi_voice_remote_party_number_instance { + uint8_t call_id; + uint8_t presentation_indicator; + uint8_t number_size; + char number[0]; +} __attribute__((__packed__)); + +struct qmi_voice_remote_party_number { + uint8_t size; + struct qmi_voice_remote_party_number_instance instance[0]; +} __attribute__((__packed__)); + +struct qmi_voice_dial_call_arg { + bool calling_number_set; + const char *calling_number; + bool call_type_set; + uint8_t call_type; +}; + +struct qmi_voice_dial_call_result { + bool call_id_set; + uint8_t call_id; }; +int ofono_call_compare(const void *a, const void *b, void *data) +{ + const struct ofono_call *ca = a; + const struct ofono_call *cb = b; + + if (ca->id < cb->id) + return -1; + + if (ca->id > cb->id) + return 1; + + return 0; +} + +bool ofono_call_compare_by_status(const void *a, const void *b) +{ + const struct ofono_call *call = a; + int status = L_PTR_TO_INT(b); + + return status == call->status; +} + +bool ofono_call_compare_by_id(const void *a, const void *b) +{ + const struct ofono_call *call = a; + unsigned int id = L_PTR_TO_UINT(b); + + return (call->id == id); +} + +void ofono_call_list_dial_callback(struct ofono_voicecall *vc, + struct l_queue **call_list, + const struct ofono_phone_number *ph, + int call_id) +{ + struct ofono_call *call; + + /* check if call_id already present */ + call = l_queue_find(*call_list, ofono_call_compare_by_id, + L_UINT_TO_PTR(call_id)); + + if (call) { + return; + } + + call = l_new(struct ofono_call, 1); + call->id = call_id; + + memcpy(&call->called_number, ph, sizeof(*ph)); + call->direction = CALL_DIRECTION_MOBILE_ORIGINATED; + call->status = CALL_STATUS_DIALING; + call->type = 0; /* voice */ + + l_queue_insert(*call_list, call, ofono_call_compare, NULL); + + ofono_voicecall_notify(vc, call); +} + +void ofono_call_list_notify(struct ofono_voicecall *vc, + struct l_queue **call_list, struct l_queue *calls) +{ + struct l_queue *old_calls = *call_list; + struct l_queue *new_calls = calls; + struct ofono_call *new_call, *old_call; + const struct l_queue_entry *old_entry, *new_entry; + + uint loop_length = + MAX(l_queue_length(old_calls), l_queue_length(new_calls)); + + old_entry = l_queue_get_entries(old_calls); + new_entry = l_queue_get_entries(new_calls); + + for (uint i = 0; i < loop_length; ++i) { + old_call = old_entry ? old_entry->data : NULL; + new_call = new_entry ? new_entry->data : NULL; + + if (new_call && new_call->status == CALL_STATUS_DISCONNECTED) { + ofono_voicecall_disconnected( + vc, new_call->id, + OFONO_DISCONNECT_REASON_REMOTE_HANGUP, NULL); + + l_queue_remove(calls, new_call); + l_free(new_call); + continue; + } + + if (old_call && + (new_call == NULL || (new_call->id > old_call->id))) { + ofono_voicecall_disconnected( + vc, old_call->id, + OFONO_DISCONNECT_REASON_REMOTE_HANGUP, NULL); + } else if (new_call && (old_call == NULL || + (new_call->id < old_call->id))) { + DBG("Notify new call %d", new_call->id); + /* new call, signal it */ + if (new_call->type == 0) { + ofono_voicecall_notify(vc, new_call); + } + } else { + if (memcmp(new_call, old_call, sizeof(*new_call)) && + new_call->type == 0) + ofono_voicecall_notify(vc, new_call); + } + if (old_entry) + old_entry = old_entry->next; + if (new_entry) + new_entry = new_entry->next; + } + + l_queue_destroy(*call_list, l_free); + *call_list = calls; +} + +#define _(X) \ + case X: \ + return #X + +const char *qmi_voice_call_state_name(enum qmi_voice_call_state value) +{ + switch (value) { + _(QMI_VOICE_CALL_STATE_IDLE); + _(QMI_VOICE_CALL_STATE_ORIG); + _(QMI_VOICE_CALL_STATE_INCOMING); + _(QMI_VOICE_CALL_STATE_CONV); + _(QMI_VOICE_CALL_STATE_CC_IN_PROG); + _(QMI_VOICE_CALL_STATE_ALERTING); + _(QMI_VOICE_CALL_STATE_HOLD); + _(QMI_VOICE_CALL_STATE_WAITING); + _(QMI_VOICE_CALL_STATE_DISCONNECTING); + _(QMI_VOICE_CALL_STATE_END); + _(QMI_VOICE_CALL_STATE_SETUP); + } + return "QMI_CALL_STATE_"; +} + +int qmi_to_ofono_status(uint8_t status, int *ret) +{ + int err = 0; + + switch (status) { + case QMI_VOICE_CALL_STATE_IDLE: + case QMI_VOICE_CALL_STATE_END: + case QMI_VOICE_CALL_STATE_DISCONNECTING: + *ret = CALL_STATUS_DISCONNECTED; + break; + case QMI_VOICE_CALL_STATE_HOLD: + *ret = CALL_STATUS_HELD; + break; + case QMI_VOICE_CALL_STATE_WAITING: + *ret = CALL_STATUS_WAITING; + break; + case QMI_VOICE_CALL_STATE_ORIG: + *ret = CALL_STATUS_DIALING; + break; + case QMI_VOICE_CALL_STATE_SETUP: + case QMI_VOICE_CALL_STATE_INCOMING: + *ret = CALL_STATUS_INCOMING; + break; + case QMI_VOICE_CALL_STATE_CONV: + *ret = CALL_STATUS_ACTIVE; + break; + case QMI_VOICE_CALL_STATE_CC_IN_PROG: + *ret = CALL_STATUS_DIALING; + break; + case QMI_VOICE_CALL_STATE_ALERTING: + *ret = CALL_STATUS_ALERTING; + break; + default: + err = 1; + } + return err; +} + +uint8_t ofono_to_qmi_direction(enum call_direction ofono_direction) +{ + return ofono_direction + 1; +} +enum call_direction qmi_to_ofono_direction(uint8_t qmi_direction) +{ + return qmi_direction - 1; +} + +enum parse_error +qmi_voice_call_status(struct qmi_result *qmi_result, + struct qmi_voice_all_call_status_ind *result) +{ + int err = NONE; + int offset; + uint16_t len; + bool status = true; + const struct qmi_voice_remote_party_number *remote_party_number; + const struct qmi_voice_call_information *call_information; + + /* mandatory */ + call_information = qmi_result_get( + qmi_result, QMI_VOICE_ALL_CALL_STATUS_CALL_INFORMATION, &len); + + /* This is so ugly! but TLV for indicator and response is different */ + if (!call_information) { + call_information = qmi_result_get( + qmi_result, QMI_VOICE_ALL_CALL_INFO_CALL_INFORMATION, + &len); + status = false; + } + + if (call_information) { + /* verify the length */ + if (len < sizeof(call_information->size)) + return INVALID_LENGTH; + + if (len != call_information->size * + sizeof(struct qmi_voice_call_information_instance) + + sizeof(call_information->size)) { + return INVALID_LENGTH; + } + result->call_information_set = 1; + result->call_information = call_information; + } else + return MISSING_MANDATORY; + + /* mandatory */ + remote_party_number = qmi_result_get( + qmi_result, + status ? QMI_VOICE_ALL_CALL_STATUS_REMOTE_NUMBER : + QMI_VOICE_ALL_CALL_INFO_REMOTE_NUMBER, + &len); + + if (remote_party_number) { + const struct qmi_voice_remote_party_number_instance *instance; + int instance_size = + sizeof(struct qmi_voice_remote_party_number_instance); + int i; + + /* verify the length */ + if (len < sizeof(remote_party_number->size)) + return INVALID_LENGTH; + + for (i = 0, offset = sizeof(remote_party_number->size); + offset <= len && i < 16 && i < remote_party_number->size; + i++) { + if (offset == len) { + break; + } else if (offset + instance_size > len) { + return INVALID_LENGTH; + } + + instance = (void *)remote_party_number + offset; + result->remote_party_number[i] = instance; + offset += + sizeof(struct qmi_voice_remote_party_number_instance) + + instance->number_size; + } + result->remote_party_number_set = 1; + result->remote_party_number_size = remote_party_number->size; + } else + return MISSING_MANDATORY; + + return err; +} + +static void all_call_status_ind(struct qmi_result *result, void *user_data) +{ + struct ofono_voicecall *vc = user_data; + struct voicecall_data *vd = ofono_voicecall_get_data(vc); + struct l_queue *calls = NULL; + int i; + int size = 0; + struct qmi_voice_all_call_status_ind status_ind; + + calls = l_queue_new(); + + DBG(""); + if (qmi_voice_call_status(result, &status_ind) != NONE) { + DBG("Parsing of all call status indication failed"); + return; + } + + if (!status_ind.remote_party_number_set || + !status_ind.call_information_set) { + DBG("Some required fields are not set"); + return; + } + + size = status_ind.call_information->size; + if (!size) { + DBG("No call informations received!"); + return; + } + + /* expect we have valid fields for every call */ + if (size != status_ind.remote_party_number_size) { + DBG("Not all fields have the same size"); + return; + } + + for (i = 0; i < size; i++) { + struct qmi_voice_call_information_instance call_info; + struct ofono_call *call; + const struct qmi_voice_remote_party_number_instance + *remote_party = status_ind.remote_party_number[i]; + int number_size; + + call_info = status_ind.call_information->instance[i]; + call = l_new(struct ofono_call, 1); + call->id = call_info.id; + call->direction = qmi_to_ofono_direction(call_info.direction); + + if (qmi_to_ofono_status(call_info.state, &call->status)) { + DBG("Ignore call id %d, because can not convert QMI state 0x%x to ofono.", + call_info.id, call_info.state); + continue; + } + DBG("Call %d in state %s(%d)", call_info.id, + qmi_voice_call_state_name(call_info.state), + call_info.state); + + call->type = 0; /* always voice */ + number_size = remote_party->number_size; + if (number_size > OFONO_MAX_PHONE_NUMBER_LENGTH) + number_size = OFONO_MAX_PHONE_NUMBER_LENGTH; + strncpy(call->phone_number.number, remote_party->number, + number_size); + /* FIXME: set phone_number_type */ + + if (strlen(call->phone_number.number) > 0) + call->clip_validity = 0; + else + call->clip_validity = 2; + + l_queue_push_tail(calls, call); + DBG("%d", l_queue_length(calls)); + } + + ofono_call_list_notify(vc, &vd->call_list, calls); +} + +enum parse_error +qmi_voice_dial_call_parse(struct qmi_result *qmi_result, + struct qmi_voice_dial_call_result *result) +{ + int err = NONE; + + /* mandatory */ + if (qmi_result_get_uint8(qmi_result, QMI_VOICE_DIAL_RETURN_CALL_ID, + &result->call_id)) + result->call_id_set = 1; + else + err = MISSING_MANDATORY; + + return err; +} + +static void dial_cb(struct qmi_result *result, void *user_data) +{ + struct cb_data *cbd = user_data; + struct ofono_voicecall *vc = cbd->user; + struct voicecall_data *vd = ofono_voicecall_get_data(vc); + ofono_voicecall_cb_t cb = cbd->cb; + uint16_t error; + struct qmi_voice_dial_call_result dial_result; + + DBG(""); + + if (qmi_result_set_error(result, &error)) { + DBG("QMI Error %d", error); + CALLBACK_WITH_FAILURE(cb, cbd->data); + return; + } + + if (qmi_voice_dial_call_parse(result, &dial_result) != NONE) { + DBG("Received invalid Result"); + CALLBACK_WITH_FAILURE(cb, cbd->data); + return; + } + + if (!dial_result.call_id_set) { + DBG("Didn't receive a call id"); + CALLBACK_WITH_FAILURE(cb, cbd->data); + return; + } + + DBG("New call QMI id %d", dial_result.call_id); + ofono_call_list_dial_callback(vc, &vd->call_list, &vd->dialed, + dial_result.call_id); + + /* FIXME: create a timeout on this call_id */ + CALLBACK_WITH_SUCCESS(cb, cbd->data); +} + +static void dial(struct ofono_voicecall *vc, + const struct ofono_phone_number *ph, + enum ofono_clir_option clir, ofono_voicecall_cb_t cb, + void *data) +{ + struct voicecall_data *vd = ofono_voicecall_get_data(vc); + struct cb_data *cbd = cb_data_new(cb, data); + struct qmi_voice_dial_call_arg arg; + struct qmi_param *param = NULL; + + DBG(""); + + cbd->user = vc; + arg.calling_number_set = true; + arg.calling_number = phone_number_to_string(ph); + memcpy(&vd->dialed, ph, sizeof(*ph)); + + arg.call_type_set = true; + arg.call_type = QMI_VOICE_CALL_TYPE_VOICE; + + param = qmi_param_new(); + if (!param) + goto error; + + if (arg.calling_number_set) { + if (!qmi_param_append(param, QMI_VOICE_DIAL_CALL_NUMBER, + strlen(arg.calling_number), + arg.calling_number)) { + goto error; + } + } + + if (arg.call_type_set) + qmi_param_append_uint8(param, QMI_VOICE_DIAL_CALL_TYPE, + arg.call_type); + + if (qmi_service_send(vd->voice, QMI_VOICE_DIAL_CALL, param, dial_cb, + cbd, l_free) > 0) { + return; + } + +error: + CALLBACK_WITH_FAILURE(cb, data); + l_free(cbd); + l_free(param); +} + static void create_voice_cb(struct qmi_service *service, void *user_data) { struct ofono_voicecall *vc = user_data; @@ -58,6 +554,9 @@ static void create_voice_cb(struct qmi_service *service, void *user_data) data->voice = qmi_service_ref(service); + qmi_service_register(data->voice, QMI_VOICE_IND_ALL_STATUS, + all_call_status_ind, vc, NULL); + ofono_voicecall_register(vc); } @@ -69,7 +568,8 @@ static int qmi_voicecall_probe(struct ofono_voicecall *vc, DBG(""); - data = g_new0(struct voicecall_data, 1); + data = l_new(struct voicecall_data, 1); + data->call_list = l_queue_new(); ofono_voicecall_set_data(vc, data); @@ -92,13 +592,15 @@ static void qmi_voicecall_remove(struct ofono_voicecall *vc) qmi_service_unref(data->voice); - g_free(data); + l_free(data); } static const struct ofono_voicecall_driver driver = { .probe = qmi_voicecall_probe, .remove = qmi_voicecall_remove, + .dial = dial, }; OFONO_ATOM_DRIVER_BUILTIN(voicecall, qmimodem, &driver) +