void ddl_fw_release(struct ddl_buf_addr *dram_base)
{
void *cookie = dram_base->pil_cookie;
if (res_trk_is_cp_enabled() &&
res_trk_check_for_sec_session()) {
res_trk_close_secure_session();
if (IS_ERR_OR_NULL(cookie)) {
pr_err("Invalid params");
return;
}
if (res_trk_enable_footswitch()) {
pr_err("Failed to enable footswitch");
return;
}
if (res_trk_enable_iommu_clocks()) {
res_trk_disable_footswitch();
pr_err("Failed to enable iommu clocks\n");
return;
}
subsystem_put(cookie);
if (res_trk_disable_iommu_clocks())
pr_err("Failed to disable iommu clocks\n");
if (res_trk_disable_footswitch())
pr_err("Failed to disable footswitch\n");
} else {
if (res_trk_check_for_sec_session())
res_trk_close_secure_session();
res_trk_release_fw_addr();
}
}
static int adsp_loader_remove(struct platform_device *pdev)
{
struct adsp_loader_private *priv;
priv = platform_get_drvdata(pdev);
if (priv != NULL)
subsystem_put(priv->pil_h);
pr_info("%s: Q6/ADSP image is unloaded\n", __func__);
return 0;
}
static void __exit wcnss_wlan_exit(void)
{
if (penv) {
if (penv->pil)
subsystem_put(penv->pil);
penv = NULL;
}
platform_driver_unregister(&wcnss_ctrl_driver);
platform_driver_unregister(&wcnss_wlan_ctrl_driver);
platform_driver_unregister(&wcnss_wlan_driver);
#ifdef CONFIG_WCNSS_MEM_PRE_ALLOC
wcnss_prealloc_deinit();
#endif
}
static void dsps_unload(void)
{
pr_debug("%s.\n", __func__);
subsystem_put(drv->pil);
}
static void smd_tty_port_shutdown(struct tty_port *tport)
{
struct smd_tty_info *info;
struct tty_struct *tty = tty_port_tty_get(tport);
unsigned long flags;
#ifdef CONFIG_MSM_SMD_TTY_DS_LEGACY
int res = 0;
int n = tty->index;
#endif
info = tty->driver_data;
if (info == 0) {
tty_kref_put(tty);
return;
}
mutex_lock(&smd_tty_lock);
spin_lock_irqsave(&info->reset_lock, flags);
info->is_open = 0;
spin_unlock_irqrestore(&info->reset_lock, flags);
tasklet_kill(&info->tty_tsklt);
wake_lock_destroy(&info->wake_lock);
wake_lock_destroy(&info->ra_wake_lock);
SMD_TTY_INFO("%s with PID %u closed port %s",
current->comm, current->pid,
info->smd->port_name);
tty->driver_data = NULL;
del_timer(&info->buf_req_timer);
smd_close(info->ch);
#ifdef CONFIG_MSM_SMD_TTY_DS_LEGACY
/*
* At current smd_tty framework, if smd_tty_open()
* is invoked by process before smd_tty_close() is
* completely finished, smd_tty_open() may fail
* because smd_tty_close() does not wait to close smd
* channel from modem. To fix this situation, new SMD
* notify status, SMD_EVENT_REOPEN_READY is used.
* Until smd_tty receive this status, smd_tty_close()
* will be wait(in fact, process will be wait).
*/
pr_info("%s: waiting to close smd %s completely\n",
__func__, smd_tty[n].smd->port_name);
/* wait for reopen ready status in seconds */
res = wait_event_interruptible_timeout(
info->ch_opened_wait_queue,
!info->is_open, (smd_tty_ds_modem_wait * HZ));
if (res <= 0) {
/* just in case, remain result value */
pr_err("%s: timeout to wait for %s smd_close. "
"next smd_open may fail\n",
__func__, smd_tty[n].smd->port_name);
}
#endif
info->ch = NULL;
subsystem_put(info->pil);
mutex_unlock(&smd_tty_lock);
tty_kref_put(tty);
}
static int smd_tty_port_activate(struct tty_port *tport,
struct tty_struct *tty)
{
int res = 0;
unsigned int n = tty->index;
struct smd_tty_info *info;
const char *peripheral = NULL;
if (n >= MAX_SMD_TTYS || !smd_tty[n].smd)
return -ENODEV;
info = smd_tty + n;
mutex_lock(&smd_tty_lock);
tty->driver_data = info;
peripheral = smd_edge_to_subsystem(smd_tty[n].smd->edge);
if (peripheral) {
info->pil = subsystem_get(peripheral);
if (IS_ERR(info->pil)) {
SMD_TTY_INFO(
"%s failed on smd_tty device :%s subsystem_get failed for %s",
__func__, smd_tty[n].smd->port_name,
peripheral);
/*
* Sleep, inorder to reduce the frequency of
* retry by user-space modules and to avoid
* possible watchdog bite.
*/
msleep((smd_tty[n].open_wait * 1000));
res = PTR_ERR(info->pil);
goto out;
}
/* Wait for the modem SMSM to be inited for the SMD
* Loopback channel to be allocated at the modem. Since
* the wait need to be done atmost once, using msleep
* doesn't degrade the performance.
*/
if (n == LOOPBACK_IDX) {
if (!is_modem_smsm_inited())
msleep(5000);
smsm_change_state(SMSM_APPS_STATE,
0, SMSM_SMD_LOOPBACK);
msleep(100);
}
/*
* Wait for a channel to be allocated so we know
* the modem is ready enough.
*/
if (smd_tty[n].open_wait) {
res = wait_for_completion_interruptible_timeout(
&info->ch_allocated,
msecs_to_jiffies(smd_tty[n].open_wait *
1000));
if (res == 0) {
SMD_TTY_INFO(
"Timed out waiting for SMD channel %s",
smd_tty[n].smd->port_name);
res = -ETIMEDOUT;
goto release_pil;
} else if (res < 0) {
SMD_TTY_INFO(
"Error waiting for SMD channel %s : %d\n",
smd_tty[n].smd->port_name, res);
goto release_pil;
}
#ifdef CONFIG_MSM_SMD_TTY_DS_LEGACY
/*
* on boot, process tried to open smd0 sleeps until
* modem is ready or timeout.
*/
if (n == DS_IDX) {
/* wait for open ready status in seconds */
pr_info("%s: checking DS modem status\n", __func__);
res = wait_event_interruptible_timeout(
info->ch_opened_wait_queue,
info->is_dsmodem_ready,
(smd_tty_ds_modem_wait * HZ));
if (!res) {
res = -ETIMEDOUT;
pr_err("%s: timeout to wait for %s modem: %d\n",
__func__,
smd_tty[n].smd->port_name,
res);
goto release_pil;
} else if (res < 0) {
pr_err("%s: Error waiting for %s modem: %d\n",
__func__,
smd_tty[n].smd->port_name,
res);
goto release_pil;
}
pr_info("%s: DS modem is OK, open smd0..\n",
__func__);
}
#endif
}
}
tasklet_init(&info->tty_tsklt, smd_tty_read, (unsigned long)info);
wake_lock_init(&info->wake_lock, WAKE_LOCK_SUSPEND,
smd_tty[n].smd->port_name);
scnprintf(info->ra_wake_lock_name, MAX_RA_WAKE_LOCK_NAME_LEN,
"SMD_TTY_%s_RA", smd_tty[n].smd->port_name);
wake_lock_init(&info->ra_wake_lock, WAKE_LOCK_SUSPEND,
info->ra_wake_lock_name);
res = smd_named_open_on_edge(smd_tty[n].smd->port_name,
smd_tty[n].smd->edge, &info->ch, info,
smd_tty_notify);
if (res < 0) {
SMD_TTY_INFO("%s: %s open failed %d\n",
__func__, smd_tty[n].smd->port_name, res);
goto release_wl_tl;
}
res = wait_event_interruptible_timeout(info->ch_opened_wait_queue,
info->is_open, (2 * HZ));
if (res == 0)
res = -ETIMEDOUT;
if (res < 0) {
SMD_TTY_INFO("%s: wait for %s smd_open failed %d\n",
__func__, smd_tty[n].smd->port_name, res);
goto close_ch;
}
SMD_TTY_INFO("%s with PID %u opened port %s",
current->comm, current->pid, smd_tty[n].smd->port_name);
smd_disable_read_intr(info->ch);
mutex_unlock(&smd_tty_lock);
return 0;
close_ch:
smd_close(info->ch);
info->ch = NULL;
release_wl_tl:
tasklet_kill(&info->tty_tsklt);
wake_lock_destroy(&info->wake_lock);
wake_lock_destroy(&info->ra_wake_lock);
release_pil:
subsystem_put(info->pil);
out:
mutex_unlock(&smd_tty_lock);
return res;
}
static int
wcnss_trigger_config(struct platform_device *pdev)
{
int ret;
struct qcom_wcnss_opts *pdata;
unsigned long wcnss_phys_addr;
int size = 0;
struct resource *res;
int has_pronto_hw = of_property_read_bool(pdev->dev.of_node,
"qcom,has_pronto_hw");
/* make sure we are only triggered once */
if (penv->triggered)
return 0;
penv->triggered = 1;
/* initialize the WCNSS device configuration */
pdata = pdev->dev.platform_data;
if (WCNSS_CONFIG_UNSPECIFIED == has_48mhz_xo) {
if (has_pronto_hw) {
has_48mhz_xo = of_property_read_bool(pdev->dev.of_node,
"qcom,has_48mhz_xo");
} else {
has_48mhz_xo = pdata->has_48mhz_xo;
}
}
penv->wcnss_hw_type = (has_pronto_hw) ? WCNSS_PRONTO_HW : WCNSS_RIVA_HW;
penv->wlan_config.use_48mhz_xo = has_48mhz_xo;
penv->thermal_mitigation = 0;
strlcpy(penv->wcnss_version, "INVALID", WCNSS_VERSION_LEN);
/* Configure 5 wire GPIOs */
if (!has_pronto_hw) {
penv->gpios_5wire = platform_get_resource_byname(pdev,
IORESOURCE_IO, "wcnss_gpios_5wire");
/* allocate 5-wire GPIO resources */
if (!penv->gpios_5wire) {
dev_err(&pdev->dev, "insufficient IO resources\n");
ret = -ENOENT;
goto fail_gpio_res;
}
ret = wcnss_gpios_config(penv->gpios_5wire, true);
} else
ret = wcnss_pronto_gpios_config(&pdev->dev, true);
if (ret) {
dev_err(&pdev->dev, "WCNSS gpios config failed.\n");
goto fail_gpio_res;
}
/* power up the WCNSS */
ret = wcnss_wlan_power(&pdev->dev, &penv->wlan_config,
WCNSS_WLAN_SWITCH_ON);
if (ret) {
dev_err(&pdev->dev, "WCNSS Power-up failed.\n");
goto fail_power;
}
/* trigger initialization of the WCNSS */
penv->pil = subsystem_get(WCNSS_PIL_DEVICE);
if (IS_ERR(penv->pil)) {
dev_err(&pdev->dev, "Peripheral Loader failed on WCNSS.\n");
ret = PTR_ERR(penv->pil);
penv->pil = NULL;
goto fail_pil;
}
/* allocate resources */
penv->mmio_res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"wcnss_mmio");
penv->tx_irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
"wcnss_wlantx_irq");
penv->rx_irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
"wcnss_wlanrx_irq");
if (!(penv->mmio_res && penv->tx_irq_res && penv->rx_irq_res)) {
dev_err(&pdev->dev, "insufficient resources\n");
ret = -ENOENT;
goto fail_res;
}
INIT_WORK(&penv->wcnssctrl_rx_work, wcnssctrl_rx_handler);
INIT_WORK(&penv->wcnssctrl_version_work, wcnss_send_version_req);
INIT_WORK(&penv->wcnssctrl_nvbin_dnld_work, wcnss_nvbin_dnld_req);
wake_lock_init(&penv->wcnss_wake_lock, WAKE_LOCK_SUSPEND, "wcnss");
if (wcnss_hardware_type() == WCNSS_PRONTO_HW) {
size = 0x3000;
wcnss_phys_addr = MSM_PRONTO_PHYS;
} else {
wcnss_phys_addr = MSM_RIVA_PHYS;
size = SZ_256;
}
penv->msm_wcnss_base = ioremap(wcnss_phys_addr, size);
if (!penv->msm_wcnss_base) {
ret = -ENOMEM;
pr_err("%s: ioremap wcnss physical failed\n", __func__);
goto fail_wake;
}
if (wcnss_hardware_type() == WCNSS_RIVA_HW) {
penv->riva_ccu_base = ioremap(MSM_RIVA_CCU_BASE, SZ_512);
if (!penv->riva_ccu_base) {
ret = -ENOMEM;
pr_err("%s: ioremap wcnss physical failed\n", __func__);
goto fail_ioremap;
}
} else {
penv->pronto_a2xb_base = ioremap(MSM_PRONTO_A2XB_BASE, SZ_512);
if (!penv->pronto_a2xb_base) {
ret = -ENOMEM;
pr_err("%s: ioremap wcnss physical failed\n", __func__);
goto fail_ioremap;
}
penv->pronto_ccpu_base = ioremap(MSM_PRONTO_CCPU_BASE, SZ_512);
if (!penv->pronto_ccpu_base) {
ret = -ENOMEM;
pr_err("%s: ioremap wcnss physical failed\n", __func__);
goto fail_ioremap2;
}
/* for reset FIQ */
res = platform_get_resource_byname(penv->pdev,
IORESOURCE_MEM, "wcnss_fiq");
if (!res) {
dev_err(&pdev->dev, "insufficient irq mem resources\n");
ret = -ENOENT;
goto fail_ioremap3;
}
penv->fiq_reg = ioremap_nocache(res->start, resource_size(res));
if (!penv->fiq_reg) {
pr_err("wcnss: %s: ioremap_nocache() failed fiq_reg addr:%pr\n",
__func__, &res->start);
ret = -ENOMEM;
goto fail_ioremap3;
}
}
penv->cold_boot_done = 1;
return 0;
fail_ioremap3:
iounmap(penv->pronto_ccpu_base);
fail_ioremap2:
iounmap(penv->pronto_a2xb_base);
fail_ioremap:
iounmap(penv->msm_wcnss_base);
fail_wake:
wake_lock_destroy(&penv->wcnss_wake_lock);
fail_res:
if (penv->pil)
subsystem_put(penv->pil);
fail_pil:
wcnss_wlan_power(&pdev->dev, &penv->wlan_config,
WCNSS_WLAN_SWITCH_OFF);
fail_power:
if (has_pronto_hw)
wcnss_pronto_gpios_config(&pdev->dev, false);
else
wcnss_gpios_config(penv->gpios_5wire, false);
fail_gpio_res:
penv = NULL;
return ret;
}
static void msm_rmnet_unload_modem(void *pil)
{
if (pil)
subsystem_put(pil);
}
