[n900-v5 1/5] isigen: generic modem driver plugin for isimodems

From: Pekka Pessi <ppessi(a)hamsa.research.nokia.com&gt; The new isigen modem driver plugin replaces the generic isimodem modem driver. --- Makefile.am | 3 + plugins/isigen.c | 454 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 457 insertions(+), 0 deletions(-) create mode 100644 plugins/isigen.c diff --git a/Makefile.am b/Makefile.am index aa66907..d8594a7 100644 --- a/Makefile.am +++ b/Makefile.am @@ -130,6 +130,9 @@ builtin_sources += $(gisi_sources) \ drivers/isimodem/gprs-context.c \ drivers/isimodem/gpds.h +builtin_modules += isigen +builtin_sources += plugins/isigen.c + builtin_modules += usbpnmodem builtin_sources += plugins/usbpnmodem.c endif diff --git a/plugins/isigen.c b/plugins/isigen.c new file mode 100644 index 0000000..1c6b26c --- /dev/null +++ b/plugins/isigen.c @@ -0,0 +1,454 @@ +/* + * This file is part of oFono - Open Source Telephony + * + * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). + * + * 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 published by the Free Software Foundation. + * + * 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 + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <errno.h> +#include <stdlib.h> +#include <string.h> +#include <glib.h> + +#include <gisi/netlink.h> +#include <gisi/client.h> + +#define OFONO_API_SUBJECT_TO_CHANGE +#include <ofono/plugin.h> +#include <ofono/log.h> +#include <ofono/modem.h> +#include <ofono/devinfo.h> +#include <ofono/phonebook.h> +#include <ofono/netreg.h> +#include <ofono/voicecall.h> +#include <ofono/sms.h> +#include <ofono/cbs.h> +#include <ofono/sim.h> +#include <ofono/ussd.h> +#include <ofono/ssn.h> +#include <ofono/call-forwarding.h> +#include <ofono/call-settings.h> +#include <ofono/call-barring.h> +#include <ofono/call-meter.h> +#include <ofono/radio-settings.h> +#include <ofono/gprs.h> +#include <ofono/gprs-context.h> + +#include "drivers/isimodem/isimodem.h" +#include "drivers/isimodem/isiutil.h" +#include "drivers/isimodem/mtc.h" +#include "drivers/isimodem/debug.h" + +struct isi_data { + struct ofono_modem *modem; + char const *ifname; + GIsiModem *idx; + GIsiClient *client; + GPhonetNetlink *link; + GPhonetLinkState linkstate; + unsigned interval; + int reported; + ofono_bool_t online; + struct isi_cb_data *online_cbd; +}; + +static void report_powered(struct isi_data *isi, ofono_bool_t powered) +{ + if (powered != isi->reported) + ofono_modem_set_powered(isi->modem, isi->reported = powered); +} + +static void report_online(struct isi_data *isi, ofono_bool_t online) +{ + struct isi_cb_data *cbd = isi->online_cbd; + ofono_modem_online_cb_t cb = cbd->cb; + + isi->online_cbd = NULL; + + if (isi->online == online) + CALLBACK_WITH_SUCCESS(cb, cbd->data); + else + CALLBACK_WITH_FAILURE(cb, cbd->data); + + g_free(cbd); +} + +static void set_power_by_mtc_state(struct isi_data *isi, int mtc_state) +{ + if (isi->online_cbd) + report_online(isi, mtc_state == MTC_NORMAL); + + switch (mtc_state) { + case MTC_STATE_NONE: + case MTC_POWER_OFF: + case MTC_CHARGING: + case MTC_SELFTEST_FAIL: + report_powered(isi, 0); + break; + + case MTC_RF_INACTIVE: + case MTC_NORMAL: + default: + report_powered(isi, 1); + } +} + +static void mtc_state_ind_cb(GIsiClient *client, + const void *restrict data, size_t len, + uint16_t object, void *opaque) +{ + const unsigned char *msg = data; + struct isi_data *isi = opaque; + + if (!msg) { + DBG("ISI client error: %d", g_isi_client_error(client)); + return; + } + + if (len < 3 || msg[0] != MTC_STATE_INFO_IND) + return; + + if (msg[2] == MTC_START) { + DBG("target modem state: %s (0x%02X)", + mtc_modem_state_name(msg[1]), msg[1]); + } else if (msg[2] == MTC_READY) { + DBG("current modem state: %s (0x%02X)", + mtc_modem_state_name(msg[1]), msg[1]); + set_power_by_mtc_state(isi, msg[1]); + } +} + +static gboolean mtc_poll_query_cb(GIsiClient *client, + const void *restrict data, size_t len, + uint16_t object, void *opaque) +{ + const unsigned char *msg = data; + struct isi_data *isi = opaque; + + if (!msg) { + const unsigned char req[] = { + MTC_STATE_QUERY_REQ, 0x00, 0x00 + }; + + if (isi->linkstate != PN_LINK_UP) + return TRUE; + + isi->interval *= 2; + if (isi->interval >= 20) + isi->interval = 20; + + g_isi_send(client, req, sizeof(req), isi->interval, + mtc_poll_query_cb, opaque, NULL); + + return TRUE; + } + + if (len < 3 || msg[0] != MTC_STATE_QUERY_RESP) + return FALSE; + + g_isi_subscribe(client, MTC_STATE_INFO_IND, mtc_state_ind_cb, opaque); + + DBG("current modem state: %s (0x%02X)", + mtc_modem_state_name(msg[1]), msg[1]); + DBG("target modem state: %s (0x%02X)", + mtc_modem_state_name(msg[2]), msg[2]); + + if (msg[1] == msg[2]) + set_power_by_mtc_state(isi, msg[1]); + + return TRUE; +} + +static gboolean mtc_query_cb(GIsiClient *client, + const void *restrict data, size_t len, + uint16_t object, void *opaque) +{ + const unsigned char *msg = data; + struct isi_data *isi = opaque; + + if (!msg) { + DBG("ISI client error: %d", g_isi_client_error(client)); + return TRUE; + } + + if (len < 3 || msg[0] != MTC_STATE_QUERY_RESP) + return FALSE; + + DBG("current modem state: %s (0x%02X)", + mtc_modem_state_name(msg[1]), msg[1]); + DBG("target modem state: %s (0x%02X)", + mtc_modem_state_name(msg[2]), msg[2]); + + if (msg[1] == msg[2]) + set_power_by_mtc_state(isi, msg[1]); + + return TRUE; +} + +static void reachable_cb(GIsiClient *client, gboolean alive, uint16_t object, + void *opaque) +{ + struct isi_data *isi = opaque; + + const unsigned char msg[] = { + MTC_STATE_QUERY_REQ, + 0x00, 0x00 /* Filler */ + }; + + if (!alive) { + DBG("MTC client: %s", strerror(-g_isi_client_error(client))); + + if (isi->linkstate == PN_LINK_UP) + g_isi_send(client, msg, sizeof(msg), + isi->interval = MTC_TIMEOUT, + mtc_poll_query_cb, opaque, NULL); + return; + } + + DBG("%s (v.%03d.%03d) reachable", + pn_resource_name(g_isi_client_resource(client)), + g_isi_version_major(client), + g_isi_version_minor(client)); + + g_isi_subscribe(client, MTC_STATE_INFO_IND, mtc_state_ind_cb, opaque); + g_isi_send(client, msg, sizeof(msg), MTC_TIMEOUT, + mtc_query_cb, opaque, NULL); +} + +static void phonet_status_cb(GIsiModem *idx, + GPhonetLinkState st, + char const *ifname, + void *data) +{ + struct ofono_modem *modem = data; + struct isi_data *isi = ofono_modem_get_data(modem); + + DBG("Link %s (%u) is %s", + isi->ifname, g_isi_modem_index(isi->idx), + st == PN_LINK_REMOVED ? "removed" : + st == PN_LINK_DOWN ? "down" : "up"); + + isi->linkstate = st; + + if (st == PN_LINK_UP) + g_isi_verify(isi->client, reachable_cb, isi); + else if (st == PN_LINK_DOWN) + set_power_by_mtc_state(isi, MTC_STATE_NONE); + else if (st == PN_LINK_REMOVED) + ofono_modem_remove(modem); +} + +static int isigen_probe(struct ofono_modem *modem) +{ + struct isi_data *isi; + char const *ifname = ofono_modem_get_string(modem, "Interface"); + unsigned address = ofono_modem_get_integer(modem, "Address"); + GIsiModem *idx; + GPhonetNetlink *link; + if (ifname == NULL) + return -EINVAL; + + DBG("(%p) with %s", modem, ifname); + + idx = g_isi_modem_by_name(ifname); + if (idx == NULL) { + DBG("Interface=%s: %s", ifname, strerror(errno)); + return -errno; + } + + if (g_pn_netlink_by_modem(idx)) { + DBG("%s: %s", ifname, strerror(EBUSY)); + return -EBUSY; + } + + link = g_pn_netlink_start(idx, phonet_status_cb, modem); + if (!link) { + DBG("%s: %s", ifname, strerror(errno)); + return -errno; + } + + if (address) { + int error = g_pn_netlink_set_address(idx, PN_DEV_PC); + if (error && error != -EEXIST) { + DBG("g_pn_netlink_set_address: %s\n", strerror(-error)); + return -errno; + } + } + + isi = g_new0(struct isi_data, 1); + if (isi == NULL) + return -ENOMEM; + + ofono_modem_set_data(isi->modem = modem, isi); + + isi->idx = idx; + isi->ifname = ifname; + isi->link = link; + isi->client = g_isi_client_create(isi->idx, PN_MTC); + isi->reported = -1; + + return 0; +} + +static void isigen_remove(struct ofono_modem *modem) +{ + struct isi_data *isi = ofono_modem_get_data(modem); + + if (!isi) + return; + + ofono_modem_set_data(modem, NULL); + g_isi_client_destroy(isi->client); + g_pn_netlink_stop(isi->link); + g_free(isi); +} + +static gboolean mtc_state_cb(GIsiClient *client, + const void *restrict data, size_t len, + uint16_t object, void *opaque) +{ + struct isi_cb_data *cbd = opaque; + struct ofono_modem *modem = cbd->user; + ofono_modem_online_cb_t cb = cbd->cb; + struct isi_data *isi = ofono_modem_get_data(modem); + const unsigned char *msg = data; + + if (!msg) { + DBG("ISI client error: %d", g_isi_client_error(client)); + goto err; + } + + if (len < 3 || msg[0] != MTC_STATE_RESP) + return FALSE; + + DBG("cause: %s (0x%02X)", mtc_isi_cause_name(msg[1]), msg[1]); + + if (msg[1] == MTC_OK) { + isi->online_cbd = cbd; + return TRUE; + } + +err: + if (msg && msg[1] == MTC_ALREADY_ACTIVE) + CALLBACK_WITH_SUCCESS(cb, cbd->data); + else + CALLBACK_WITH_FAILURE(cb, cbd->data); + + g_free(cbd); + return TRUE; +} + +static void isigen_online(struct ofono_modem *modem, ofono_bool_t online, + ofono_modem_online_cb_t cb, void *data) +{ + struct isi_data *isi = ofono_modem_get_data(modem); + const unsigned char req[] = { + MTC_STATE_REQ, online ? MTC_NORMAL : MTC_RF_INACTIVE, 0x00 + }; + struct isi_cb_data *cbd = isi_cb_data_new(modem, cb, data); + + DBG("(%p) with %s", modem, isi->ifname); + + if (!cbd) + goto error; + + isi->online = online; + + if (g_isi_send(isi->client, req, sizeof(req), MTC_TIMEOUT, + mtc_state_cb, cbd, NULL)) + return; + +error: + g_free(cbd); + CALLBACK_WITH_FAILURE(cb, data); +} + +static void isigen_pre_sim(struct ofono_modem *modem) +{ + struct isi_data *isi = ofono_modem_get_data(modem); + + DBG("(%p) with %s", modem, isi->ifname); + + ofono_sim_create(isi->modem, 0, "isimodem", isi->idx); + ofono_devinfo_create(isi->modem, 0, "isimodem", isi->idx); + ofono_voicecall_create(isi->modem, 0, "isimodem", isi->idx); +} + +static void isigen_post_sim(struct ofono_modem *modem) +{ + struct isi_data *isi = ofono_modem_get_data(modem); + + DBG("(%p) with %s", modem, isi->ifname); + + ofono_phonebook_create(isi->modem, 0, "isimodem", isi->idx); +} + +static void isigen_post_online(struct ofono_modem *modem) +{ + struct isi_data *isi = ofono_modem_get_data(modem); + struct ofono_gprs *gprs; + struct ofono_gprs_context *gc; + + DBG("(%p) with %s", modem, isi->ifname); + + ofono_netreg_create(isi->modem, 0, "isimodem", isi->idx); + ofono_sms_create(isi->modem, 0, "isimodem", isi->idx); + ofono_cbs_create(isi->modem, 0, "isimodem", isi->idx); + ofono_ssn_create(isi->modem, 0, "isimodem", isi->idx); + ofono_ussd_create(isi->modem, 0, "isimodem", isi->idx); + ofono_call_forwarding_create(isi->modem, 0, "isimodem", isi->idx); + ofono_call_settings_create(isi->modem, 0, "isimodem", isi->idx); + ofono_call_barring_create(isi->modem, 0, "isimodem", isi->idx); + ofono_call_meter_create(isi->modem, 0, "isimodem", isi->idx); + ofono_radio_settings_create(isi->modem, 0, "isimodem", isi->idx); + gprs = ofono_gprs_create(isi->modem, 0, "isimodem", isi->idx); + gc = ofono_gprs_context_create(isi->modem, 0, "isimodem", isi->idx); + + if (gprs && gc) + ofono_gprs_add_context(gprs, gc); + else + DBG("Failed to add context"); +} + +static struct ofono_modem_driver driver = { + .name = "isigen", + .probe = isigen_probe, + .remove = isigen_remove, + .set_online = isigen_online, + .pre_sim = isigen_pre_sim, + .post_sim = isigen_post_sim, + .post_online = isigen_post_online, +}; + +static int isigen_init(void) +{ + return ofono_modem_driver_register(&driver); +} + +static void isigen_exit(void) +{ + ofono_modem_driver_unregister(&driver); +} + +OFONO_PLUGIN_DEFINE(isigen, "Generic modem driver for isi", + VERSION, OFONO_PLUGIN_PRIORITY_DEFAULT, + isigen_init, isigen_exit) -- 1.7.0.4