blob: dc891eb3d0825098ddd323ab8c11608c76d5b412 [file] [log] [blame]
/* Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only 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.
*/
#define pr_fmt(fmt) "icnss: " fmt
#include <asm/dma-iommu.h>
#include <linux/of_address.h>
#include <linux/clk.h>
#include <linux/iommu.h>
#include <linux/export.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/qmi_encdec.h>
#include <linux/ipc_logging.h>
#include <linux/thread_info.h>
#include <linux/uaccess.h>
#include <linux/qpnp/qpnp-adc.h>
#include <linux/etherdevice.h>
#include <soc/qcom/memory_dump.h>
#include <soc/qcom/icnss.h>
#include <soc/qcom/msm_qmi_interface.h>
#include <soc/qcom/secure_buffer.h>
#include <soc/qcom/subsystem_notif.h>
#include <soc/qcom/subsystem_restart.h>
#include <soc/qcom/service-locator.h>
#include <soc/qcom/service-notifier.h>
#include <soc/qcom/socinfo.h>
#include <soc/qcom/ramdump.h>
#include "wlan_firmware_service_v01.h"
#ifdef CONFIG_ICNSS_DEBUG
unsigned long qmi_timeout = 10000;
module_param(qmi_timeout, ulong, 0600);
#define WLFW_TIMEOUT_MS qmi_timeout
#else
#define WLFW_TIMEOUT_MS 10000
#endif
#define WLFW_SERVICE_INS_ID_V01 0
#define WLFW_CLIENT_ID 0x4b4e454c
#define MAX_PROP_SIZE 32
#define NUM_LOG_PAGES 10
#define NUM_LOG_LONG_PAGES 4
#define ICNSS_MAGIC 0x5abc5abc
#define ICNSS_SERVICE_LOCATION_CLIENT_NAME "ICNSS-WLAN"
#define ICNSS_WLAN_SERVICE_NAME "wlan/fw"
#define ICNSS_THRESHOLD_HIGH 3600000
#define ICNSS_THRESHOLD_LOW 3450000
#define ICNSS_THRESHOLD_GUARD 20000
#define icnss_ipc_log_string(_x...) do { \
if (icnss_ipc_log_context) \
ipc_log_string(icnss_ipc_log_context, _x); \
} while (0)
#define icnss_ipc_log_long_string(_x...) do { \
if (icnss_ipc_log_long_context) \
ipc_log_string(icnss_ipc_log_long_context, _x); \
} while (0)
#define icnss_pr_err(_fmt, ...) do { \
printk("%s" pr_fmt(_fmt), KERN_ERR, ##__VA_ARGS__); \
icnss_ipc_log_string("%s" pr_fmt(_fmt), "", \
##__VA_ARGS__); \
} while (0)
#define icnss_pr_warn(_fmt, ...) do { \
printk("%s" pr_fmt(_fmt), KERN_WARNING, ##__VA_ARGS__); \
icnss_ipc_log_string("%s" pr_fmt(_fmt), "", \
##__VA_ARGS__); \
} while (0)
#define icnss_pr_info(_fmt, ...) do { \
printk("%s" pr_fmt(_fmt), KERN_INFO, ##__VA_ARGS__); \
icnss_ipc_log_string("%s" pr_fmt(_fmt), "", \
##__VA_ARGS__); \
} while (0)
#if defined(CONFIG_DYNAMIC_DEBUG)
#define icnss_pr_dbg(_fmt, ...) do { \
pr_debug(_fmt, ##__VA_ARGS__); \
icnss_ipc_log_string(pr_fmt(_fmt), ##__VA_ARGS__); \
} while (0)
#define icnss_pr_vdbg(_fmt, ...) do { \
pr_debug(_fmt, ##__VA_ARGS__); \
icnss_ipc_log_long_string(pr_fmt(_fmt), ##__VA_ARGS__); \
} while (0)
#elif defined(DEBUG)
#define icnss_pr_dbg(_fmt, ...) do { \
printk("%s" pr_fmt(_fmt), KERN_DEBUG, ##__VA_ARGS__); \
icnss_ipc_log_string("%s" pr_fmt(_fmt), "", \
##__VA_ARGS__); \
} while (0)
#define icnss_pr_vdbg(_fmt, ...) do { \
printk("%s" pr_fmt(_fmt), KERN_DEBUG, ##__VA_ARGS__); \
icnss_ipc_log_long_string("%s" pr_fmt(_fmt), "", \
##__VA_ARGS__); \
} while (0)
#else
#define icnss_pr_dbg(_fmt, ...) do { \
no_printk("%s" pr_fmt(_fmt), KERN_DEBUG, ##__VA_ARGS__); \
icnss_ipc_log_string("%s" pr_fmt(_fmt), "", \
##__VA_ARGS__); \
} while (0)
#define icnss_pr_vdbg(_fmt, ...) do { \
no_printk("%s" pr_fmt(_fmt), KERN_DEBUG, ##__VA_ARGS__); \
icnss_ipc_log_long_string("%s" pr_fmt(_fmt), "", \
##__VA_ARGS__); \
} while (0)
#endif
#ifdef CONFIG_ICNSS_DEBUG
#define ICNSS_ASSERT(_condition) do { \
if (!(_condition)) { \
icnss_pr_err("ASSERT at line %d\n", __LINE__); \
BUG_ON(1); \
} \
} while (0)
bool ignore_qmi_timeout;
#define ICNSS_QMI_ASSERT() ICNSS_ASSERT(ignore_qmi_timeout)
#else
#define ICNSS_ASSERT(_condition) do { } while (0)
#define ICNSS_QMI_ASSERT() do { } while (0)
#endif
enum icnss_debug_quirks {
HW_ALWAYS_ON,
HW_DEBUG_ENABLE,
SKIP_QMI,
HW_ONLY_TOP_LEVEL_RESET,
RECOVERY_DISABLE,
SSR_ONLY,
PDR_ONLY,
VBATT_DISABLE,
FW_REJUVENATE_ENABLE,
};
#define ICNSS_QUIRKS_DEFAULT (BIT(VBATT_DISABLE) | \
BIT(FW_REJUVENATE_ENABLE))
unsigned long quirks = ICNSS_QUIRKS_DEFAULT;
module_param(quirks, ulong, 0600);
uint64_t dynamic_feature_mask = QMI_WLFW_FW_REJUVENATE_V01;
module_param(dynamic_feature_mask, ullong, 0600);
void *icnss_ipc_log_context;
void *icnss_ipc_log_long_context;
#define ICNSS_EVENT_PENDING 2989
#define ICNSS_EVENT_SYNC BIT(0)
#define ICNSS_EVENT_UNINTERRUPTIBLE BIT(1)
#define ICNSS_EVENT_SYNC_UNINTERRUPTIBLE (ICNSS_EVENT_UNINTERRUPTIBLE | \
ICNSS_EVENT_SYNC)
enum icnss_driver_event_type {
ICNSS_DRIVER_EVENT_SERVER_ARRIVE,
ICNSS_DRIVER_EVENT_SERVER_EXIT,
ICNSS_DRIVER_EVENT_FW_READY_IND,
ICNSS_DRIVER_EVENT_REGISTER_DRIVER,
ICNSS_DRIVER_EVENT_UNREGISTER_DRIVER,
ICNSS_DRIVER_EVENT_PD_SERVICE_DOWN,
ICNSS_DRIVER_EVENT_MAX,
};
enum icnss_msa_perm {
ICNSS_MSA_PERM_HLOS_ALL = 0,
ICNSS_MSA_PERM_WLAN_HW_RW = 1,
ICNSS_MSA_PERM_DUMP_COLLECT = 2,
ICNSS_MSA_PERM_MAX,
};
#define ICNSS_MAX_VMIDS 4
struct icnss_mem_region_info {
uint64_t reg_addr;
uint32_t size;
uint8_t secure_flag;
enum icnss_msa_perm perm;
};
struct icnss_msa_perm_list_t {
int vmids[ICNSS_MAX_VMIDS];
int perms[ICNSS_MAX_VMIDS];
int nelems;
};
struct icnss_msa_perm_list_t msa_perm_secure_list[ICNSS_MSA_PERM_MAX] = {
[ICNSS_MSA_PERM_HLOS_ALL] = {
.vmids = {VMID_HLOS},
.perms = {PERM_READ | PERM_WRITE | PERM_EXEC},
.nelems = 1,
},
[ICNSS_MSA_PERM_WLAN_HW_RW] = {
.vmids = {VMID_MSS_MSA, VMID_WLAN},
.perms = {PERM_READ | PERM_WRITE,
PERM_READ | PERM_WRITE},
.nelems = 2,
},
[ICNSS_MSA_PERM_DUMP_COLLECT] = {
.vmids = {VMID_MSS_MSA, VMID_WLAN, VMID_HLOS},
.perms = {PERM_READ | PERM_WRITE,
PERM_READ | PERM_WRITE,
PERM_READ},
.nelems = 3,
},
};
struct icnss_msa_perm_list_t msa_perm_list[ICNSS_MSA_PERM_MAX] = {
[ICNSS_MSA_PERM_HLOS_ALL] = {
.vmids = {VMID_HLOS},
.perms = {PERM_READ | PERM_WRITE | PERM_EXEC},
.nelems = 1,
},
[ICNSS_MSA_PERM_WLAN_HW_RW] = {
.vmids = {VMID_MSS_MSA, VMID_WLAN, VMID_WLAN_CE},
.perms = {PERM_READ | PERM_WRITE,
PERM_READ | PERM_WRITE,
PERM_READ | PERM_WRITE},
.nelems = 3,
},
[ICNSS_MSA_PERM_DUMP_COLLECT] = {
.vmids = {VMID_MSS_MSA, VMID_WLAN, VMID_WLAN_CE, VMID_HLOS},
.perms = {PERM_READ | PERM_WRITE,
PERM_READ | PERM_WRITE,
PERM_READ | PERM_WRITE,
PERM_READ},
.nelems = 4,
},
};
struct icnss_event_pd_service_down_data {
bool crashed;
bool fw_rejuvenate;
};
struct icnss_driver_event {
struct list_head list;
enum icnss_driver_event_type type;
bool sync;
struct completion complete;
int ret;
void *data;
};
enum icnss_driver_state {
ICNSS_WLFW_QMI_CONNECTED,
ICNSS_POWER_ON,
ICNSS_FW_READY,
ICNSS_DRIVER_PROBED,
ICNSS_FW_TEST_MODE,
ICNSS_PM_SUSPEND,
ICNSS_PM_SUSPEND_NOIRQ,
ICNSS_SSR_REGISTERED,
ICNSS_PDR_REGISTERED,
ICNSS_PD_RESTART,
ICNSS_MSA0_ASSIGNED,
ICNSS_WLFW_EXISTS,
ICNSS_SHUTDOWN_DONE,
ICNSS_HOST_TRIGGERED_PDR,
ICNSS_FW_DOWN,
};
struct ce_irq_list {
int irq;
irqreturn_t (*handler)(int, void *);
};
struct icnss_vreg_info {
struct regulator *reg;
const char *name;
u32 min_v;
u32 max_v;
u32 load_ua;
unsigned long settle_delay;
bool required;
};
struct icnss_clk_info {
struct clk *handle;
const char *name;
u32 freq;
bool required;
};
static struct icnss_vreg_info icnss_vreg_info[] = {
{NULL, "vdd-0.8-cx-mx", 800000, 800000, 0, 0, false},
{NULL, "vdd-1.8-xo", 1800000, 1800000, 0, 0, false},
{NULL, "vdd-1.3-rfa", 1304000, 1304000, 0, 0, false},
{NULL, "vdd-3.3-ch0", 3312000, 3312000, 0, 0, false},
};
#define ICNSS_VREG_INFO_SIZE ARRAY_SIZE(icnss_vreg_info)
static struct icnss_clk_info icnss_clk_info[] = {
{NULL, "cxo_ref_clk_pin", 0, false},
};
#define ICNSS_CLK_INFO_SIZE ARRAY_SIZE(icnss_clk_info)
struct icnss_stats {
struct {
uint32_t posted;
uint32_t processed;
} events[ICNSS_DRIVER_EVENT_MAX];
struct {
uint32_t request;
uint32_t free;
uint32_t enable;
uint32_t disable;
} ce_irqs[ICNSS_MAX_IRQ_REGISTRATIONS];
struct {
uint32_t pdr_fw_crash;
uint32_t pdr_host_error;
uint32_t root_pd_crash;
uint32_t root_pd_shutdown;
} recovery;
uint32_t pm_suspend;
uint32_t pm_suspend_err;
uint32_t pm_resume;
uint32_t pm_resume_err;
uint32_t pm_suspend_noirq;
uint32_t pm_suspend_noirq_err;
uint32_t pm_resume_noirq;
uint32_t pm_resume_noirq_err;
uint32_t pm_stay_awake;
uint32_t pm_relax;
uint32_t ind_register_req;
uint32_t ind_register_resp;
uint32_t ind_register_err;
uint32_t msa_info_req;
uint32_t msa_info_resp;
uint32_t msa_info_err;
uint32_t msa_ready_req;
uint32_t msa_ready_resp;
uint32_t msa_ready_err;
uint32_t msa_ready_ind;
uint32_t cap_req;
uint32_t cap_resp;
uint32_t cap_err;
uint32_t pin_connect_result;
uint32_t cfg_req;
uint32_t cfg_resp;
uint32_t cfg_req_err;
uint32_t mode_req;
uint32_t mode_resp;
uint32_t mode_req_err;
uint32_t ini_req;
uint32_t ini_resp;
uint32_t ini_req_err;
uint32_t vbatt_req;
uint32_t vbatt_resp;
uint32_t vbatt_req_err;
u32 rejuvenate_ind;
uint32_t rejuvenate_ack_req;
uint32_t rejuvenate_ack_resp;
uint32_t rejuvenate_ack_err;
};
#define MAX_NO_OF_MAC_ADDR 4
struct icnss_wlan_mac_addr {
u8 mac_addr[MAX_NO_OF_MAC_ADDR][ETH_ALEN];
uint32_t no_of_mac_addr_set;
};
enum icnss_pdr_cause_index {
ICNSS_FW_CRASH,
ICNSS_ROOT_PD_CRASH,
ICNSS_ROOT_PD_SHUTDOWN,
ICNSS_HOST_ERROR,
};
static const char * const icnss_pdr_cause[] = {
[ICNSS_FW_CRASH] = "FW crash",
[ICNSS_ROOT_PD_CRASH] = "Root PD crashed",
[ICNSS_ROOT_PD_SHUTDOWN] = "Root PD shutdown",
[ICNSS_HOST_ERROR] = "Host error",
};
struct service_notifier_context {
void *handle;
uint32_t instance_id;
char name[QMI_SERVREG_LOC_NAME_LENGTH_V01 + 1];
};
static struct icnss_priv {
uint32_t magic;
struct platform_device *pdev;
struct icnss_driver_ops *ops;
struct ce_irq_list ce_irq_list[ICNSS_MAX_IRQ_REGISTRATIONS];
struct icnss_vreg_info vreg_info[ICNSS_VREG_INFO_SIZE];
struct icnss_clk_info clk_info[ICNSS_CLK_INFO_SIZE];
u32 ce_irqs[ICNSS_MAX_IRQ_REGISTRATIONS];
phys_addr_t mem_base_pa;
void __iomem *mem_base_va;
struct dma_iommu_mapping *smmu_mapping;
dma_addr_t smmu_iova_start;
size_t smmu_iova_len;
dma_addr_t smmu_iova_ipa_start;
size_t smmu_iova_ipa_len;
struct qmi_handle *wlfw_clnt;
struct list_head event_list;
spinlock_t event_lock;
struct work_struct event_work;
struct work_struct qmi_recv_msg_work;
struct workqueue_struct *event_wq;
phys_addr_t msa_pa;
uint32_t msa_mem_size;
void *msa_va;
unsigned long state;
struct wlfw_rf_chip_info_s_v01 chip_info;
struct wlfw_rf_board_info_s_v01 board_info;
struct wlfw_soc_info_s_v01 soc_info;
struct wlfw_fw_version_info_s_v01 fw_version_info;
char fw_build_id[QMI_WLFW_MAX_BUILD_ID_LEN_V01 + 1];
u32 pwr_pin_result;
u32 phy_io_pin_result;
u32 rf_pin_result;
uint32_t nr_mem_region;
struct icnss_mem_region_info
mem_region[QMI_WLFW_MAX_NUM_MEMORY_REGIONS_V01];
struct dentry *root_dentry;
spinlock_t on_off_lock;
struct icnss_stats stats;
struct work_struct service_notifier_work;
struct service_notifier_context *service_notifier;
struct notifier_block service_notifier_nb;
int total_domains;
struct notifier_block get_service_nb;
void *modem_notify_handler;
struct notifier_block modem_ssr_nb;
uint32_t diag_reg_read_addr;
uint32_t diag_reg_read_mem_type;
uint32_t diag_reg_read_len;
uint8_t *diag_reg_read_buf;
struct qpnp_adc_tm_btm_param vph_monitor_params;
struct qpnp_adc_tm_chip *adc_tm_dev;
struct qpnp_vadc_chip *vadc_dev;
uint64_t vph_pwr;
atomic_t pm_count;
struct ramdump_device *msa0_dump_dev;
bool is_wlan_mac_set;
struct icnss_wlan_mac_addr wlan_mac_addr;
bool bypass_s1_smmu;
u8 cause_for_rejuvenation;
u8 requesting_sub_system;
u16 line_number;
char function_name[QMI_WLFW_FUNCTION_NAME_LEN_V01 + 1];
struct mutex dev_lock;
} *penv;
#ifdef CONFIG_ICNSS_DEBUG
static void icnss_ignore_qmi_timeout(bool ignore)
{
ignore_qmi_timeout = ignore;
}
#else
static void icnss_ignore_qmi_timeout(bool ignore) { }
#endif
static int icnss_assign_msa_perm(struct icnss_mem_region_info
*mem_region, enum icnss_msa_perm new_perm)
{
int ret = 0;
phys_addr_t addr;
u32 size;
u32 i = 0;
u32 source_vmids[ICNSS_MAX_VMIDS];
u32 source_nelems;
u32 dest_vmids[ICNSS_MAX_VMIDS];
u32 dest_perms[ICNSS_MAX_VMIDS];
u32 dest_nelems;
enum icnss_msa_perm cur_perm = mem_region->perm;
struct icnss_msa_perm_list_t *new_perm_list, *old_perm_list;
addr = mem_region->reg_addr;
size = mem_region->size;
if (mem_region->secure_flag) {
new_perm_list = &msa_perm_secure_list[new_perm];
old_perm_list = &msa_perm_secure_list[cur_perm];
} else {
new_perm_list = &msa_perm_list[new_perm];
old_perm_list = &msa_perm_list[cur_perm];
}
source_nelems = old_perm_list->nelems;
dest_nelems = new_perm_list->nelems;
for (i = 0; i < source_nelems; ++i)
source_vmids[i] = old_perm_list->vmids[i];
for (i = 0; i < dest_nelems; ++i) {
dest_vmids[i] = new_perm_list->vmids[i];
dest_perms[i] = new_perm_list->perms[i];
}
ret = hyp_assign_phys(addr, size, source_vmids, source_nelems,
dest_vmids, dest_perms, dest_nelems);
if (ret) {
icnss_pr_err("Hyperviser map failed for PA=%pa size=%u err=%d\n",
&addr, size, ret);
goto out;
}
icnss_pr_dbg("Hypervisor map for source_nelems=%d, source[0]=%x, source[1]=%x, source[2]=%x,"
"source[3]=%x, dest_nelems=%d, dest[0]=%x, dest[1]=%x, dest[2]=%x, dest[3]=%x\n",
source_nelems, source_vmids[0], source_vmids[1],
source_vmids[2], source_vmids[3], dest_nelems,
dest_vmids[0], dest_vmids[1], dest_vmids[2],
dest_vmids[3]);
out:
return ret;
}
static int icnss_assign_msa_perm_all(struct icnss_priv *priv,
enum icnss_msa_perm new_perm)
{
int ret;
int i;
enum icnss_msa_perm old_perm;
for (i = 0; i < priv->nr_mem_region; i++) {
old_perm = priv->mem_region[i].perm;
ret = icnss_assign_msa_perm(&priv->mem_region[i], new_perm);
if (ret)
goto err_unmap;
priv->mem_region[i].perm = new_perm;
}
return 0;
err_unmap:
for (i--; i >= 0; i--) {
icnss_assign_msa_perm(&priv->mem_region[i], old_perm);
}
return ret;
}
static void icnss_pm_stay_awake(struct icnss_priv *priv)
{
if (atomic_inc_return(&priv->pm_count) != 1)
return;
icnss_pr_vdbg("PM stay awake, state: 0x%lx, count: %d\n", priv->state,
atomic_read(&priv->pm_count));
pm_stay_awake(&priv->pdev->dev);
priv->stats.pm_stay_awake++;
}
static void icnss_pm_relax(struct icnss_priv *priv)
{
int r = atomic_dec_return(&priv->pm_count);
WARN_ON(r < 0);
if (r != 0)
return;
icnss_pr_vdbg("PM relax, state: 0x%lx, count: %d\n", priv->state,
atomic_read(&priv->pm_count));
pm_relax(&priv->pdev->dev);
priv->stats.pm_relax++;
}
static char *icnss_driver_event_to_str(enum icnss_driver_event_type type)
{
switch (type) {
case ICNSS_DRIVER_EVENT_SERVER_ARRIVE:
return "SERVER_ARRIVE";
case ICNSS_DRIVER_EVENT_SERVER_EXIT:
return "SERVER_EXIT";
case ICNSS_DRIVER_EVENT_FW_READY_IND:
return "FW_READY";
case ICNSS_DRIVER_EVENT_REGISTER_DRIVER:
return "REGISTER_DRIVER";
case ICNSS_DRIVER_EVENT_UNREGISTER_DRIVER:
return "UNREGISTER_DRIVER";
case ICNSS_DRIVER_EVENT_PD_SERVICE_DOWN:
return "PD_SERVICE_DOWN";
case ICNSS_DRIVER_EVENT_MAX:
return "EVENT_MAX";
}
return "UNKNOWN";
};
static int icnss_driver_event_post(enum icnss_driver_event_type type,
u32 flags, void *data)
{
struct icnss_driver_event *event;
unsigned long irq_flags;
int gfp = GFP_KERNEL;
int ret = 0;
icnss_pr_dbg("Posting event: %s(%d), %s, flags: 0x%x, state: 0x%lx\n",
icnss_driver_event_to_str(type), type, current->comm,
flags, penv->state);
if (type >= ICNSS_DRIVER_EVENT_MAX) {
icnss_pr_err("Invalid Event type: %d, can't post", type);
return -EINVAL;
}
if (in_interrupt() || irqs_disabled())
gfp = GFP_ATOMIC;
event = kzalloc(sizeof(*event), gfp);
if (event == NULL)
return -ENOMEM;
icnss_pm_stay_awake(penv);
event->type = type;
event->data = data;
init_completion(&event->complete);
event->ret = ICNSS_EVENT_PENDING;
event->sync = !!(flags & ICNSS_EVENT_SYNC);
spin_lock_irqsave(&penv->event_lock, irq_flags);
list_add_tail(&event->list, &penv->event_list);
spin_unlock_irqrestore(&penv->event_lock, irq_flags);
penv->stats.events[type].posted++;
queue_work(penv->event_wq, &penv->event_work);
if (!(flags & ICNSS_EVENT_SYNC))
goto out;
if (flags & ICNSS_EVENT_UNINTERRUPTIBLE)
wait_for_completion(&event->complete);
else
ret = wait_for_completion_interruptible(&event->complete);
icnss_pr_dbg("Completed event: %s(%d), state: 0x%lx, ret: %d/%d\n",
icnss_driver_event_to_str(type), type, penv->state, ret,
event->ret);
spin_lock_irqsave(&penv->event_lock, irq_flags);
if (ret == -ERESTARTSYS && event->ret == ICNSS_EVENT_PENDING) {
event->sync = false;
spin_unlock_irqrestore(&penv->event_lock, irq_flags);
ret = -EINTR;
goto out;
}
spin_unlock_irqrestore(&penv->event_lock, irq_flags);
ret = event->ret;
kfree(event);
out:
icnss_pm_relax(penv);
return ret;
}
static int wlfw_vbatt_send_sync_msg(struct icnss_priv *priv,
uint64_t voltage_uv)
{
int ret;
struct wlfw_vbatt_req_msg_v01 req;
struct wlfw_vbatt_resp_msg_v01 resp;
struct msg_desc req_desc, resp_desc;
if (!priv->wlfw_clnt) {
ret = -ENODEV;
goto out;
}
icnss_pr_dbg("Sending Vbatt message, state: 0x%lx\n",
penv->state);
memset(&req, 0, sizeof(req));
memset(&resp, 0, sizeof(resp));
req.voltage_uv = voltage_uv;
req_desc.max_msg_len = WLFW_VBATT_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_VBATT_REQ_V01;
req_desc.ei_array = wlfw_vbatt_req_msg_v01_ei;
resp_desc.max_msg_len = WLFW_VBATT_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_VBATT_RESP_V01;
resp_desc.ei_array = wlfw_vbatt_resp_msg_v01_ei;
priv->stats.vbatt_req++;
ret = qmi_send_req_wait(priv->wlfw_clnt, &req_desc, &req, sizeof(req),
&resp_desc, &resp, sizeof(resp), WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("Send vbatt req failed %d\n", ret);
goto out;
}
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI vbatt request rejected, result:%d error:%d\n",
resp.resp.result, resp.resp.error);
ret = resp.resp.result;
goto out;
}
priv->stats.vbatt_resp++;
out:
priv->stats.vbatt_req_err++;
return ret;
}
static int icnss_get_phone_power(struct icnss_priv *priv, uint64_t *result_uv)
{
int ret = 0;
struct qpnp_vadc_result adc_result;
if (!priv->vadc_dev) {
icnss_pr_err("VADC dev doesn't exists\n");
ret = -EINVAL;
goto out;
}
ret = qpnp_vadc_read(penv->vadc_dev, VADC_VPH_PWR, &adc_result);
if (ret) {
icnss_pr_err("Error reading ADC channel %d, ret = %d\n",
VADC_VPH_PWR, ret);
goto out;
}
icnss_pr_dbg("Phone power read phy=%lld meas=0x%llx\n",
adc_result.physical, adc_result.measurement);
*result_uv = adc_result.physical;
out:
return ret;
}
static void icnss_vph_notify(enum qpnp_tm_state state, void *ctx)
{
struct icnss_priv *priv = ctx;
uint64_t vph_pwr = 0;
uint64_t vph_pwr_prev;
int ret = 0;
bool update = true;
if (!priv) {
icnss_pr_err("Priv pointer is NULL\n");
return;
}
vph_pwr_prev = priv->vph_pwr;
ret = icnss_get_phone_power(priv, &vph_pwr);
if (ret)
return;
if (vph_pwr < ICNSS_THRESHOLD_LOW) {
if (vph_pwr_prev < ICNSS_THRESHOLD_LOW)
update = false;
priv->vph_monitor_params.state_request =
ADC_TM_HIGH_THR_ENABLE;
priv->vph_monitor_params.high_thr = ICNSS_THRESHOLD_LOW +
ICNSS_THRESHOLD_GUARD;
priv->vph_monitor_params.low_thr = 0;
} else if (vph_pwr > ICNSS_THRESHOLD_HIGH) {
if (vph_pwr_prev > ICNSS_THRESHOLD_HIGH)
update = false;
priv->vph_monitor_params.state_request =
ADC_TM_LOW_THR_ENABLE;
priv->vph_monitor_params.low_thr = ICNSS_THRESHOLD_HIGH -
ICNSS_THRESHOLD_GUARD;
priv->vph_monitor_params.high_thr = 0;
} else {
if (vph_pwr_prev > ICNSS_THRESHOLD_LOW &&
vph_pwr_prev < ICNSS_THRESHOLD_HIGH)
update = false;
priv->vph_monitor_params.state_request =
ADC_TM_HIGH_LOW_THR_ENABLE;
priv->vph_monitor_params.low_thr = ICNSS_THRESHOLD_LOW;
priv->vph_monitor_params.high_thr = ICNSS_THRESHOLD_HIGH;
}
priv->vph_pwr = vph_pwr;
if (update)
wlfw_vbatt_send_sync_msg(priv, vph_pwr);
icnss_pr_dbg("set low threshold to %d, high threshold to %d\n",
priv->vph_monitor_params.low_thr,
priv->vph_monitor_params.high_thr);
ret = qpnp_adc_tm_channel_measure(priv->adc_tm_dev,
&priv->vph_monitor_params);
if (ret)
icnss_pr_err("TM channel setup failed %d\n", ret);
}
static int icnss_setup_vph_monitor(struct icnss_priv *priv)
{
int ret = 0;
if (!priv->adc_tm_dev) {
icnss_pr_err("ADC TM handler is NULL\n");
ret = -EINVAL;
goto out;
}
priv->vph_monitor_params.low_thr = ICNSS_THRESHOLD_LOW;
priv->vph_monitor_params.high_thr = ICNSS_THRESHOLD_HIGH;
priv->vph_monitor_params.state_request = ADC_TM_HIGH_LOW_THR_ENABLE;
priv->vph_monitor_params.channel = VADC_VPH_PWR;
priv->vph_monitor_params.btm_ctx = priv;
priv->vph_monitor_params.timer_interval = ADC_MEAS1_INTERVAL_1S;
priv->vph_monitor_params.threshold_notification = &icnss_vph_notify;
icnss_pr_dbg("Set low threshold to %d, high threshold to %d\n",
priv->vph_monitor_params.low_thr,
priv->vph_monitor_params.high_thr);
ret = qpnp_adc_tm_channel_measure(priv->adc_tm_dev,
&priv->vph_monitor_params);
if (ret)
icnss_pr_err("TM channel setup failed %d\n", ret);
out:
return ret;
}
static int icnss_init_vph_monitor(struct icnss_priv *priv)
{
int ret = 0;
if (test_bit(VBATT_DISABLE, &quirks))
goto out;
ret = icnss_get_phone_power(priv, &priv->vph_pwr);
if (ret)
goto out;
wlfw_vbatt_send_sync_msg(priv, priv->vph_pwr);
ret = icnss_setup_vph_monitor(priv);
if (ret)
goto out;
out:
return ret;
}
static int icnss_qmi_pin_connect_result_ind(void *msg, unsigned int msg_len)
{
struct msg_desc ind_desc;
struct wlfw_pin_connect_result_ind_msg_v01 ind_msg;
int ret = 0;
if (!penv || !penv->wlfw_clnt) {
ret = -ENODEV;
goto out;
}
memset(&ind_msg, 0, sizeof(ind_msg));
ind_desc.msg_id = QMI_WLFW_PIN_CONNECT_RESULT_IND_V01;
ind_desc.max_msg_len = WLFW_PIN_CONNECT_RESULT_IND_MSG_V01_MAX_MSG_LEN;
ind_desc.ei_array = wlfw_pin_connect_result_ind_msg_v01_ei;
ret = qmi_kernel_decode(&ind_desc, &ind_msg, msg, msg_len);
if (ret < 0) {
icnss_pr_err("Failed to decode message: %d, msg_len: %u\n",
ret, msg_len);
goto out;
}
/* store pin result locally */
if (ind_msg.pwr_pin_result_valid)
penv->pwr_pin_result = ind_msg.pwr_pin_result;
if (ind_msg.phy_io_pin_result_valid)
penv->phy_io_pin_result = ind_msg.phy_io_pin_result;
if (ind_msg.rf_pin_result_valid)
penv->rf_pin_result = ind_msg.rf_pin_result;
icnss_pr_dbg("Pin connect Result: pwr_pin: 0x%x phy_io_pin: 0x%x rf_io_pin: 0x%x\n",
ind_msg.pwr_pin_result, ind_msg.phy_io_pin_result,
ind_msg.rf_pin_result);
penv->stats.pin_connect_result++;
out:
return ret;
}
static int icnss_vreg_on(struct icnss_priv *priv)
{
int ret = 0;
struct icnss_vreg_info *vreg_info;
int i;
for (i = 0; i < ICNSS_VREG_INFO_SIZE; i++) {
vreg_info = &priv->vreg_info[i];
if (!vreg_info->reg)
continue;
icnss_pr_vdbg("Regulator %s being enabled\n", vreg_info->name);
ret = regulator_set_voltage(vreg_info->reg, vreg_info->min_v,
vreg_info->max_v);
if (ret) {
icnss_pr_err("Regulator %s, can't set voltage: min_v: %u, max_v: %u, ret: %d\n",
vreg_info->name, vreg_info->min_v,
vreg_info->max_v, ret);
break;
}
if (vreg_info->load_ua) {
ret = regulator_set_load(vreg_info->reg,
vreg_info->load_ua);
if (ret < 0) {
icnss_pr_err("Regulator %s, can't set load: %u, ret: %d\n",
vreg_info->name,
vreg_info->load_ua, ret);
break;
}
}
ret = regulator_enable(vreg_info->reg);
if (ret) {
icnss_pr_err("Regulator %s, can't enable: %d\n",
vreg_info->name, ret);
break;
}
if (vreg_info->settle_delay)
udelay(vreg_info->settle_delay);
}
if (!ret)
return 0;
for (; i >= 0; i--) {
vreg_info = &priv->vreg_info[i];
if (!vreg_info->reg)
continue;
regulator_disable(vreg_info->reg);
regulator_set_load(vreg_info->reg, 0);
regulator_set_voltage(vreg_info->reg, 0, vreg_info->max_v);
}
return ret;
}
static int icnss_vreg_off(struct icnss_priv *priv)
{
int ret = 0;
struct icnss_vreg_info *vreg_info;
int i;
for (i = ICNSS_VREG_INFO_SIZE - 1; i >= 0; i--) {
vreg_info = &priv->vreg_info[i];
if (!vreg_info->reg)
continue;
icnss_pr_vdbg("Regulator %s being disabled\n", vreg_info->name);
ret = regulator_disable(vreg_info->reg);
if (ret)
icnss_pr_err("Regulator %s, can't disable: %d\n",
vreg_info->name, ret);
ret = regulator_set_load(vreg_info->reg, 0);
if (ret < 0)
icnss_pr_err("Regulator %s, can't set load: %d\n",
vreg_info->name, ret);
ret = regulator_set_voltage(vreg_info->reg, 0,
vreg_info->max_v);
if (ret)
icnss_pr_err("Regulator %s, can't set voltage: %d\n",
vreg_info->name, ret);
}
return ret;
}
static int icnss_clk_init(struct icnss_priv *priv)
{
struct icnss_clk_info *clk_info;
int i;
int ret = 0;
for (i = 0; i < ICNSS_CLK_INFO_SIZE; i++) {
clk_info = &priv->clk_info[i];
if (!clk_info->handle)
continue;
icnss_pr_vdbg("Clock %s being enabled\n", clk_info->name);
if (clk_info->freq) {
ret = clk_set_rate(clk_info->handle, clk_info->freq);
if (ret) {
icnss_pr_err("Clock %s, can't set frequency: %u, ret: %d\n",
clk_info->name, clk_info->freq,
ret);
break;
}
}
ret = clk_prepare_enable(clk_info->handle);
if (ret) {
icnss_pr_err("Clock %s, can't enable: %d\n",
clk_info->name, ret);
break;
}
}
if (ret == 0)
return 0;
for (; i >= 0; i--) {
clk_info = &priv->clk_info[i];
if (!clk_info->handle)
continue;
clk_disable_unprepare(clk_info->handle);
}
return ret;
}
static int icnss_clk_deinit(struct icnss_priv *priv)
{
struct icnss_clk_info *clk_info;
int i;
for (i = 0; i < ICNSS_CLK_INFO_SIZE; i++) {
clk_info = &priv->clk_info[i];
if (!clk_info->handle)
continue;
icnss_pr_vdbg("Clock %s being disabled\n", clk_info->name);
clk_disable_unprepare(clk_info->handle);
}
return 0;
}
static int icnss_hw_power_on(struct icnss_priv *priv)
{
int ret = 0;
icnss_pr_dbg("HW Power on: state: 0x%lx\n", priv->state);
spin_lock(&priv->on_off_lock);
if (test_bit(ICNSS_POWER_ON, &priv->state)) {
spin_unlock(&priv->on_off_lock);
return ret;
}
set_bit(ICNSS_POWER_ON, &priv->state);
spin_unlock(&priv->on_off_lock);
ret = icnss_vreg_on(priv);
if (ret)
goto out;
ret = icnss_clk_init(priv);
if (ret)
goto vreg_off;
return ret;
vreg_off:
icnss_vreg_off(priv);
out:
clear_bit(ICNSS_POWER_ON, &priv->state);
return ret;
}
static int icnss_hw_power_off(struct icnss_priv *priv)
{
int ret = 0;
if (test_bit(HW_ALWAYS_ON, &quirks))
return 0;
icnss_pr_dbg("HW Power off: 0x%lx\n", priv->state);
spin_lock(&priv->on_off_lock);
if (!test_bit(ICNSS_POWER_ON, &priv->state)) {
spin_unlock(&priv->on_off_lock);
return ret;
}
clear_bit(ICNSS_POWER_ON, &priv->state);
spin_unlock(&priv->on_off_lock);
icnss_clk_deinit(priv);
ret = icnss_vreg_off(priv);
return ret;
}
int icnss_power_on(struct device *dev)
{
struct icnss_priv *priv = dev_get_drvdata(dev);
if (!priv) {
icnss_pr_err("Invalid drvdata: dev %p, data %p\n",
dev, priv);
return -EINVAL;
}
icnss_pr_dbg("Power On: 0x%lx\n", priv->state);
return icnss_hw_power_on(priv);
}
EXPORT_SYMBOL(icnss_power_on);
bool icnss_is_fw_ready(void)
{
if (!penv)
return false;
else
return test_bit(ICNSS_FW_READY, &penv->state);
}
EXPORT_SYMBOL(icnss_is_fw_ready);
int icnss_power_off(struct device *dev)
{
struct icnss_priv *priv = dev_get_drvdata(dev);
if (!priv) {
icnss_pr_err("Invalid drvdata: dev %p, data %p\n",
dev, priv);
return -EINVAL;
}
icnss_pr_dbg("Power Off: 0x%lx\n", priv->state);
return icnss_hw_power_off(priv);
}
EXPORT_SYMBOL(icnss_power_off);
static int wlfw_msa_mem_info_send_sync_msg(void)
{
int ret;
int i;
struct wlfw_msa_info_req_msg_v01 req;
struct wlfw_msa_info_resp_msg_v01 resp;
struct msg_desc req_desc, resp_desc;
if (!penv || !penv->wlfw_clnt)
return -ENODEV;
icnss_pr_dbg("Sending MSA mem info, state: 0x%lx\n", penv->state);
memset(&req, 0, sizeof(req));
memset(&resp, 0, sizeof(resp));
req.msa_addr = penv->msa_pa;
req.size = penv->msa_mem_size;
req_desc.max_msg_len = WLFW_MSA_INFO_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_MSA_INFO_REQ_V01;
req_desc.ei_array = wlfw_msa_info_req_msg_v01_ei;
resp_desc.max_msg_len = WLFW_MSA_INFO_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_MSA_INFO_RESP_V01;
resp_desc.ei_array = wlfw_msa_info_resp_msg_v01_ei;
penv->stats.msa_info_req++;
ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
&resp_desc, &resp, sizeof(resp), WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("Send MSA Mem info req failed %d\n", ret);
goto out;
}
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI MSA Mem info request rejected, result:%d error:%d\n",
resp.resp.result, resp.resp.error);
ret = resp.resp.result;
goto out;
}
icnss_pr_dbg("Receive mem_region_info_len: %d\n",
resp.mem_region_info_len);
if (resp.mem_region_info_len > QMI_WLFW_MAX_NUM_MEMORY_REGIONS_V01) {
icnss_pr_err("Invalid memory region length received: %d\n",
resp.mem_region_info_len);
ret = -EINVAL;
goto out;
}
penv->stats.msa_info_resp++;
penv->nr_mem_region = resp.mem_region_info_len;
for (i = 0; i < resp.mem_region_info_len; i++) {
penv->mem_region[i].reg_addr =
resp.mem_region_info[i].region_addr;
penv->mem_region[i].size =
resp.mem_region_info[i].size;
penv->mem_region[i].secure_flag =
resp.mem_region_info[i].secure_flag;
icnss_pr_dbg("Memory Region: %d Addr: 0x%llx Size: 0x%x Flag: 0x%08x\n",
i, penv->mem_region[i].reg_addr,
penv->mem_region[i].size,
penv->mem_region[i].secure_flag);
}
return 0;
out:
penv->stats.msa_info_err++;
ICNSS_QMI_ASSERT();
return ret;
}
static int wlfw_msa_ready_send_sync_msg(void)
{
int ret;
struct wlfw_msa_ready_req_msg_v01 req;
struct wlfw_msa_ready_resp_msg_v01 resp;
struct msg_desc req_desc, resp_desc;
if (!penv || !penv->wlfw_clnt)
return -ENODEV;
icnss_pr_dbg("Sending MSA ready request message, state: 0x%lx\n",
penv->state);
memset(&req, 0, sizeof(req));
memset(&resp, 0, sizeof(resp));
req_desc.max_msg_len = WLFW_MSA_READY_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_MSA_READY_REQ_V01;
req_desc.ei_array = wlfw_msa_ready_req_msg_v01_ei;
resp_desc.max_msg_len = WLFW_MSA_READY_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_MSA_READY_RESP_V01;
resp_desc.ei_array = wlfw_msa_ready_resp_msg_v01_ei;
penv->stats.msa_ready_req++;
ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
&resp_desc, &resp, sizeof(resp), WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("Send MSA ready req failed %d\n", ret);
goto out;
}
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI MSA ready request rejected: result:%d error:%d\n",
resp.resp.result, resp.resp.error);
ret = resp.resp.result;
goto out;
}
penv->stats.msa_ready_resp++;
return 0;
out:
penv->stats.msa_ready_err++;
ICNSS_QMI_ASSERT();
return ret;
}
static int wlfw_ind_register_send_sync_msg(void)
{
int ret;
struct wlfw_ind_register_req_msg_v01 req;
struct wlfw_ind_register_resp_msg_v01 resp;
struct msg_desc req_desc, resp_desc;
if (!penv || !penv->wlfw_clnt)
return -ENODEV;
icnss_pr_dbg("Sending indication register message, state: 0x%lx\n",
penv->state);
memset(&req, 0, sizeof(req));
memset(&resp, 0, sizeof(resp));
req.client_id_valid = 1;
req.client_id = WLFW_CLIENT_ID;
req.fw_ready_enable_valid = 1;
req.fw_ready_enable = 1;
req.msa_ready_enable_valid = 1;
req.msa_ready_enable = 1;
req.pin_connect_result_enable_valid = 1;
req.pin_connect_result_enable = 1;
if (test_bit(FW_REJUVENATE_ENABLE, &quirks)) {
req.rejuvenate_enable_valid = 1;
req.rejuvenate_enable = 1;
}
req_desc.max_msg_len = WLFW_IND_REGISTER_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_IND_REGISTER_REQ_V01;
req_desc.ei_array = wlfw_ind_register_req_msg_v01_ei;
resp_desc.max_msg_len = WLFW_IND_REGISTER_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_IND_REGISTER_RESP_V01;
resp_desc.ei_array = wlfw_ind_register_resp_msg_v01_ei;
penv->stats.ind_register_req++;
ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
&resp_desc, &resp, sizeof(resp),
WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("Send indication register req failed %d\n", ret);
goto out;
}
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI indication register request rejected, resut:%d error:%d\n",
resp.resp.result, resp.resp.error);
ret = resp.resp.result;
goto out;
}
penv->stats.ind_register_resp++;
return 0;
out:
penv->stats.ind_register_err++;
ICNSS_QMI_ASSERT();
return ret;
}
static int wlfw_cap_send_sync_msg(void)
{
int ret;
struct wlfw_cap_req_msg_v01 req;
struct wlfw_cap_resp_msg_v01 resp;
struct msg_desc req_desc, resp_desc;
if (!penv || !penv->wlfw_clnt)
return -ENODEV;
icnss_pr_dbg("Sending capability message, state: 0x%lx\n", penv->state);
memset(&resp, 0, sizeof(resp));
req_desc.max_msg_len = WLFW_CAP_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_CAP_REQ_V01;
req_desc.ei_array = wlfw_cap_req_msg_v01_ei;
resp_desc.max_msg_len = WLFW_CAP_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_CAP_RESP_V01;
resp_desc.ei_array = wlfw_cap_resp_msg_v01_ei;
penv->stats.cap_req++;
ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
&resp_desc, &resp, sizeof(resp),
WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("Send capability req failed %d\n", ret);
goto out;
}
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI capability request rejected, result:%d error:%d\n",
resp.resp.result, resp.resp.error);
ret = resp.resp.result;
goto out;
}
penv->stats.cap_resp++;
/* store cap locally */
if (resp.chip_info_valid)
penv->chip_info = resp.chip_info;
if (resp.board_info_valid)
penv->board_info = resp.board_info;
else
penv->board_info.board_id = 0xFF;
if (resp.soc_info_valid)
penv->soc_info = resp.soc_info;
if (resp.fw_version_info_valid)
penv->fw_version_info = resp.fw_version_info;
if (resp.fw_build_id_valid)
strlcpy(penv->fw_build_id, resp.fw_build_id,
QMI_WLFW_MAX_BUILD_ID_LEN_V01 + 1);
icnss_pr_dbg("Capability, chip_id: 0x%x, chip_family: 0x%x, board_id: 0x%x, soc_id: 0x%x, fw_version: 0x%x, fw_build_timestamp: %s, fw_build_id: %s",
penv->chip_info.chip_id, penv->chip_info.chip_family,
penv->board_info.board_id, penv->soc_info.soc_id,
penv->fw_version_info.fw_version,
penv->fw_version_info.fw_build_timestamp,
penv->fw_build_id);
return 0;
out:
penv->stats.cap_err++;
ICNSS_QMI_ASSERT();
return ret;
}
static int wlfw_wlan_mode_send_sync_msg(enum wlfw_driver_mode_enum_v01 mode)
{
int ret;
struct wlfw_wlan_mode_req_msg_v01 req;
struct wlfw_wlan_mode_resp_msg_v01 resp;
struct msg_desc req_desc, resp_desc;
if (!penv || !penv->wlfw_clnt)
return -ENODEV;
/* During recovery do not send mode request for WLAN OFF as
* FW not able to process it.
*/
if (test_bit(ICNSS_PD_RESTART, &penv->state) &&
mode == QMI_WLFW_OFF_V01)
return 0;
icnss_pr_dbg("Sending Mode request, state: 0x%lx, mode: %d\n",
penv->state, mode);
memset(&req, 0, sizeof(req));
memset(&resp, 0, sizeof(resp));
req.mode = mode;
req.hw_debug_valid = 1;
req.hw_debug = !!test_bit(HW_DEBUG_ENABLE, &quirks);
req_desc.max_msg_len = WLFW_WLAN_MODE_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_WLAN_MODE_REQ_V01;
req_desc.ei_array = wlfw_wlan_mode_req_msg_v01_ei;
resp_desc.max_msg_len = WLFW_WLAN_MODE_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_WLAN_MODE_RESP_V01;
resp_desc.ei_array = wlfw_wlan_mode_resp_msg_v01_ei;
penv->stats.mode_req++;
ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
&resp_desc, &resp, sizeof(resp),
WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("Send mode req failed, mode: %d ret: %d\n",
mode, ret);
goto out;
}
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI mode request rejected, mode:%d result:%d error:%d\n",
mode, resp.resp.result, resp.resp.error);
ret = resp.resp.result;
goto out;
}
penv->stats.mode_resp++;
return 0;
out:
penv->stats.mode_req_err++;
ICNSS_QMI_ASSERT();
return ret;
}
static int wlfw_wlan_cfg_send_sync_msg(struct wlfw_wlan_cfg_req_msg_v01 *data)
{
int ret;
struct wlfw_wlan_cfg_req_msg_v01 req;
struct wlfw_wlan_cfg_resp_msg_v01 resp;
struct msg_desc req_desc, resp_desc;
if (!penv || !penv->wlfw_clnt)
return -ENODEV;
icnss_pr_dbg("Sending config request, state: 0x%lx\n", penv->state);
memset(&req, 0, sizeof(req));
memset(&resp, 0, sizeof(resp));
memcpy(&req, data, sizeof(req));
req_desc.max_msg_len = WLFW_WLAN_CFG_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_WLAN_CFG_REQ_V01;
req_desc.ei_array = wlfw_wlan_cfg_req_msg_v01_ei;
resp_desc.max_msg_len = WLFW_WLAN_CFG_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_WLAN_CFG_RESP_V01;
resp_desc.ei_array = wlfw_wlan_cfg_resp_msg_v01_ei;
penv->stats.cfg_req++;
ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
&resp_desc, &resp, sizeof(resp),
WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("Send config req failed %d\n", ret);
goto out;
}
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI config request rejected, result:%d error:%d\n",
resp.resp.result, resp.resp.error);
ret = resp.resp.result;
goto out;
}
penv->stats.cfg_resp++;
return 0;
out:
penv->stats.cfg_req_err++;
ICNSS_QMI_ASSERT();
return ret;
}
static int wlfw_ini_send_sync_msg(uint8_t fw_log_mode)
{
int ret;
struct wlfw_ini_req_msg_v01 req;
struct wlfw_ini_resp_msg_v01 resp;
struct msg_desc req_desc, resp_desc;
if (!penv || !penv->wlfw_clnt)
return -ENODEV;
icnss_pr_dbg("Sending ini sync request, state: 0x%lx, fw_log_mode: %d\n",
penv->state, fw_log_mode);
memset(&req, 0, sizeof(req));
memset(&resp, 0, sizeof(resp));
req.enablefwlog_valid = 1;
req.enablefwlog = fw_log_mode;
req_desc.max_msg_len = WLFW_INI_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_INI_REQ_V01;
req_desc.ei_array = wlfw_ini_req_msg_v01_ei;
resp_desc.max_msg_len = WLFW_INI_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_INI_RESP_V01;
resp_desc.ei_array = wlfw_ini_resp_msg_v01_ei;
penv->stats.ini_req++;
ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
&resp_desc, &resp, sizeof(resp), WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("Send INI req failed fw_log_mode: %d, ret: %d\n",
fw_log_mode, ret);
goto out;
}
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI INI request rejected, fw_log_mode:%d result:%d error:%d\n",
fw_log_mode, resp.resp.result, resp.resp.error);
ret = resp.resp.result;
goto out;
}
penv->stats.ini_resp++;
return 0;
out:
penv->stats.ini_req_err++;
ICNSS_QMI_ASSERT();
return ret;
}
static int wlfw_athdiag_read_send_sync_msg(struct icnss_priv *priv,
uint32_t offset, uint32_t mem_type,
uint32_t data_len, uint8_t *data)
{
int ret;
struct wlfw_athdiag_read_req_msg_v01 req;
struct wlfw_athdiag_read_resp_msg_v01 *resp = NULL;
struct msg_desc req_desc, resp_desc;
if (!priv->wlfw_clnt) {
ret = -ENODEV;
goto out;
}
icnss_pr_dbg("Diag read: state 0x%lx, offset %x, mem_type %x, data_len %u\n",
priv->state, offset, mem_type, data_len);
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp) {
ret = -ENOMEM;
goto out;
}
memset(&req, 0, sizeof(req));
req.offset = offset;
req.mem_type = mem_type;
req.data_len = data_len;
req_desc.max_msg_len = WLFW_ATHDIAG_READ_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_ATHDIAG_READ_REQ_V01;
req_desc.ei_array = wlfw_athdiag_read_req_msg_v01_ei;
resp_desc.max_msg_len = WLFW_ATHDIAG_READ_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_ATHDIAG_READ_RESP_V01;
resp_desc.ei_array = wlfw_athdiag_read_resp_msg_v01_ei;
ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
&resp_desc, resp, sizeof(*resp),
WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("send athdiag read req failed %d\n", ret);
goto out;
}
if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI athdiag read request rejected, result:%d error:%d\n",
resp->resp.result, resp->resp.error);
ret = resp->resp.result;
goto out;
}
if (!resp->data_valid || resp->data_len < data_len) {
icnss_pr_err("Athdiag read data is invalid, data_valid = %u, data_len = %u\n",
resp->data_valid, resp->data_len);
ret = -EINVAL;
goto out;
}
memcpy(data, resp->data, resp->data_len);
out:
kfree(resp);
return ret;
}
static int wlfw_athdiag_write_send_sync_msg(struct icnss_priv *priv,
uint32_t offset, uint32_t mem_type,
uint32_t data_len, uint8_t *data)
{
int ret;
struct wlfw_athdiag_write_req_msg_v01 *req = NULL;
struct wlfw_athdiag_write_resp_msg_v01 resp;
struct msg_desc req_desc, resp_desc;
if (!priv->wlfw_clnt) {
ret = -ENODEV;
goto out;
}
icnss_pr_dbg("Diag write: state 0x%lx, offset %x, mem_type %x, data_len %u, data %p\n",
priv->state, offset, mem_type, data_len, data);
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req) {
ret = -ENOMEM;
goto out;
}
memset(&resp, 0, sizeof(resp));
req->offset = offset;
req->mem_type = mem_type;
req->data_len = data_len;
memcpy(req->data, data, data_len);
req_desc.max_msg_len = WLFW_ATHDIAG_WRITE_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_ATHDIAG_WRITE_REQ_V01;
req_desc.ei_array = wlfw_athdiag_write_req_msg_v01_ei;
resp_desc.max_msg_len = WLFW_ATHDIAG_WRITE_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_ATHDIAG_WRITE_RESP_V01;
resp_desc.ei_array = wlfw_athdiag_write_resp_msg_v01_ei;
ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, req, sizeof(*req),
&resp_desc, &resp, sizeof(resp),
WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("send athdiag write req failed %d\n", ret);
goto out;
}
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI athdiag write request rejected, result:%d error:%d\n",
resp.resp.result, resp.resp.error);
ret = resp.resp.result;
goto out;
}
out:
kfree(req);
return ret;
}
static int icnss_decode_rejuvenate_ind(void *msg, unsigned int msg_len)
{
struct msg_desc ind_desc;
struct wlfw_rejuvenate_ind_msg_v01 ind_msg;
int ret = 0;
if (!penv || !penv->wlfw_clnt) {
ret = -ENODEV;
goto out;
}
memset(&ind_msg, 0, sizeof(ind_msg));
ind_desc.msg_id = QMI_WLFW_REJUVENATE_IND_V01;
ind_desc.max_msg_len = WLFW_REJUVENATE_IND_MSG_V01_MAX_MSG_LEN;
ind_desc.ei_array = wlfw_rejuvenate_ind_msg_v01_ei;
ret = qmi_kernel_decode(&ind_desc, &ind_msg, msg, msg_len);
if (ret < 0) {
icnss_pr_err("Failed to decode rejuvenate ind message: ret %d, msg_len %u\n",
ret, msg_len);
goto out;
}
if (ind_msg.cause_for_rejuvenation_valid)
penv->cause_for_rejuvenation = ind_msg.cause_for_rejuvenation;
else
penv->cause_for_rejuvenation = 0;
if (ind_msg.requesting_sub_system_valid)
penv->requesting_sub_system = ind_msg.requesting_sub_system;
else
penv->requesting_sub_system = 0;
if (ind_msg.line_number_valid)
penv->line_number = ind_msg.line_number;
else
penv->line_number = 0;
if (ind_msg.function_name_valid)
memcpy(penv->function_name, ind_msg.function_name,
QMI_WLFW_FUNCTION_NAME_LEN_V01 + 1);
else
memset(penv->function_name, 0,
QMI_WLFW_FUNCTION_NAME_LEN_V01 + 1);
icnss_pr_info("Cause for rejuvenation: 0x%x, requesting sub-system: 0x%x, line number: %u, function name: %s\n",
penv->cause_for_rejuvenation,
penv->requesting_sub_system,
penv->line_number,
penv->function_name);
penv->stats.rejuvenate_ind++;
out:
return ret;
}
static int wlfw_rejuvenate_ack_send_sync_msg(struct icnss_priv *priv)
{
int ret;
struct wlfw_rejuvenate_ack_req_msg_v01 req;
struct wlfw_rejuvenate_ack_resp_msg_v01 resp;
struct msg_desc req_desc, resp_desc;
icnss_pr_dbg("Sending rejuvenate ack request, state: 0x%lx\n",
priv->state);
memset(&req, 0, sizeof(req));
memset(&resp, 0, sizeof(resp));
req_desc.max_msg_len = WLFW_REJUVENATE_ACK_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_REJUVENATE_ACK_REQ_V01;
req_desc.ei_array = wlfw_rejuvenate_ack_req_msg_v01_ei;
resp_desc.max_msg_len = WLFW_REJUVENATE_ACK_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_REJUVENATE_ACK_RESP_V01;
resp_desc.ei_array = wlfw_rejuvenate_ack_resp_msg_v01_ei;
priv->stats.rejuvenate_ack_req++;
ret = qmi_send_req_wait(priv->wlfw_clnt, &req_desc, &req, sizeof(req),
&resp_desc, &resp, sizeof(resp),
WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("Send rejuvenate ack req failed %d\n", ret);
goto out;
}
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI rejuvenate ack request rejected, result:%d error %d\n",
resp.resp.result, resp.resp.error);
ret = resp.resp.result;
goto out;
}
priv->stats.rejuvenate_ack_resp++;
return 0;
out:
priv->stats.rejuvenate_ack_err++;
ICNSS_QMI_ASSERT();
return ret;
}
static int wlfw_dynamic_feature_mask_send_sync_msg(struct icnss_priv *priv,
uint64_t dynamic_feature_mask)
{
int ret;
struct wlfw_dynamic_feature_mask_req_msg_v01 req;
struct wlfw_dynamic_feature_mask_resp_msg_v01 resp;
struct msg_desc req_desc, resp_desc;
if (!test_bit(ICNSS_WLFW_QMI_CONNECTED, &priv->state)) {
icnss_pr_err("Invalid state for dynamic feature: 0x%lx\n",
priv->state);
return -EINVAL;
}
if (!test_bit(FW_REJUVENATE_ENABLE, &quirks)) {
icnss_pr_dbg("FW rejuvenate is disabled from quirks\n");
return 0;
}
icnss_pr_dbg("Sending dynamic feature mask request, val 0x%llx, state: 0x%lx\n",
dynamic_feature_mask, priv->state);
memset(&req, 0, sizeof(req));
memset(&resp, 0, sizeof(resp));
req.mask_valid = 1;
req.mask = dynamic_feature_mask;
req_desc.max_msg_len =
WLFW_DYNAMIC_FEATURE_MASK_REQ_MSG_V01_MAX_MSG_LEN;
req_desc.msg_id = QMI_WLFW_DYNAMIC_FEATURE_MASK_REQ_V01;
req_desc.ei_array = wlfw_dynamic_feature_mask_req_msg_v01_ei;
resp_desc.max_msg_len =
WLFW_DYNAMIC_FEATURE_MASK_RESP_MSG_V01_MAX_MSG_LEN;
resp_desc.msg_id = QMI_WLFW_DYNAMIC_FEATURE_MASK_RESP_V01;
resp_desc.ei_array = wlfw_dynamic_feature_mask_resp_msg_v01_ei;
ret = qmi_send_req_wait(priv->wlfw_clnt, &req_desc, &req, sizeof(req),
&resp_desc, &resp, sizeof(resp),
WLFW_TIMEOUT_MS);
if (ret < 0) {
icnss_pr_err("Send dynamic feature mask req failed %d\n", ret);
goto out;
}
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
icnss_pr_err("QMI dynamic feature mask request rejected, result:%d error %d\n",
resp.resp.result, resp.resp.error);
ret = resp.resp.result;
goto out;
}
icnss_pr_dbg("prev_mask_valid %u, prev_mask 0x%llx, curr_maks_valid %u, curr_mask 0x%llx\n",
resp.prev_mask_valid, resp.prev_mask,
resp.curr_mask_valid, resp.curr_mask);
return 0;
out:
return ret;
}
static void icnss_qmi_wlfw_clnt_notify_work(struct work_struct *work)
{
int ret;
if (!penv || !penv->wlfw_clnt)
return;
icnss_pr_vdbg("Receiving Event in work queue context\n");
do {
} while ((ret = qmi_recv_msg(penv->wlfw_clnt)) == 0);
if (ret != -ENOMSG)
icnss_pr_err("Error receiving message: %d\n", ret);
icnss_pr_vdbg("Receiving Event completed\n");
}
static void icnss_qmi_wlfw_clnt_notify(struct qmi_handle *handle,
enum qmi_event_type event, void *notify_priv)
{
icnss_pr_vdbg("QMI client notify: %d\n", event);
if (!penv || !penv->wlfw_clnt)
return;
switch (event) {
case QMI_RECV_MSG:
schedule_work(&penv->qmi_recv_msg_work);
break;
default:
icnss_pr_dbg("Unknown Event: %d\n", event);
break;
}
}
static int icnss_call_driver_uevent(struct icnss_priv *priv,
enum icnss_uevent uevent, void *data)
{
struct icnss_uevent_data uevent_data;
if (!priv->ops || !priv->ops->uevent)
return 0;
icnss_pr_dbg("Calling driver uevent state: 0x%lx, uevent: %d\n",
priv->state, uevent);
uevent_data.uevent = uevent;
uevent_data.data = data;
return priv->ops->uevent(&priv->pdev->dev, &uevent_data);
}
static void icnss_qmi_wlfw_clnt_ind(struct qmi_handle *handle,
unsigned int msg_id, void *msg,
unsigned int msg_len, void *ind_cb_priv)
{
struct icnss_event_pd_service_down_data *event_data;
struct icnss_uevent_fw_down_data fw_down_data;
if (!penv)
return;
icnss_pr_dbg("Received Ind 0x%x, msg_len: %d\n", msg_id, msg_len);
if (test_bit(ICNSS_FW_DOWN, &penv->state)) {
icnss_pr_dbg("FW down, ignoring 0x%x, state: 0x%lx\n",
msg_id, penv->state);
return;
}
switch (msg_id) {
case QMI_WLFW_FW_READY_IND_V01:
icnss_driver_event_post(ICNSS_DRIVER_EVENT_FW_READY_IND,
0, NULL);
break;
case QMI_WLFW_MSA_READY_IND_V01:
icnss_pr_dbg("Received MSA Ready Indication msg_id 0x%x\n",
msg_id);
penv->stats.msa_ready_ind++;
break;
case QMI_WLFW_PIN_CONNECT_RESULT_IND_V01:
icnss_pr_dbg("Received Pin Connect Test Result msg_id 0x%x\n",
msg_id);
icnss_qmi_pin_connect_result_ind(msg, msg_len);
break;
case QMI_WLFW_REJUVENATE_IND_V01:
icnss_pr_dbg("Received Rejuvenate Indication msg_id 0x%x, state: 0x%lx\n",
msg_id, penv->state);
icnss_ignore_qmi_timeout(true);
icnss_decode_rejuvenate_ind(msg, msg_len);
event_data = kzalloc(sizeof(*event_data), GFP_KERNEL);
if (event_data == NULL)
return;
event_data->crashed = true;
event_data->fw_rejuvenate = true;
fw_down_data.crashed = true;
icnss_call_driver_uevent(penv, ICNSS_UEVENT_FW_DOWN,
&fw_down_data);
icnss_driver_event_post(ICNSS_DRIVER_EVENT_PD_SERVICE_DOWN,
0, event_data);
break;
default:
icnss_pr_err("Invalid msg_id 0x%x\n", msg_id);
break;
}
}
static int icnss_driver_event_server_arrive(void *data)
{
int ret = 0;
if (!penv)
return -ENODEV;
set_bit(ICNSS_WLFW_EXISTS, &penv->state);
clear_bit(ICNSS_FW_DOWN, &penv->state);
penv->wlfw_clnt = qmi_handle_create(icnss_qmi_wlfw_clnt_notify, penv);
if (!penv->wlfw_clnt) {
icnss_pr_err("QMI client handle create failed\n");
ret = -ENOMEM;
goto out;
}
ret = qmi_connect_to_service(penv->wlfw_clnt, WLFW_SERVICE_ID_V01,
WLFW_SERVICE_VERS_V01,
WLFW_SERVICE_INS_ID_V01);
if (ret < 0) {
icnss_pr_err("QMI WLAN Service not found : %d\n", ret);
goto fail;
}
ret = qmi_register_ind_cb(penv->wlfw_clnt,
icnss_qmi_wlfw_clnt_ind, penv);
if (ret < 0) {
icnss_pr_err("Failed to register indication callback: %d\n",
ret);
goto fail;
}
set_bit(ICNSS_WLFW_QMI_CONNECTED, &penv->state);
icnss_pr_info("QMI Server Connected: state: 0x%lx\n", penv->state);
ret = icnss_hw_power_on(penv);
if (ret)
goto fail;
ret = wlfw_ind_register_send_sync_msg();
if (ret < 0)
goto err_power_on;
if (!penv->msa_va) {
icnss_pr_err("Invalid MSA address\n");
ret = -EINVAL;
goto err_power_on;
}
ret = wlfw_msa_mem_info_send_sync_msg();
if (ret < 0)
goto err_power_on;
if (!test_bit(ICNSS_MSA0_ASSIGNED, &penv->state)) {
ret = icnss_assign_msa_perm_all(penv, ICNSS_MSA_PERM_WLAN_HW_RW);
if (ret < 0)
goto err_power_on;
set_bit(ICNSS_MSA0_ASSIGNED, &penv->state);
}
ret = wlfw_msa_ready_send_sync_msg();
if (ret < 0)
goto err_setup_msa;
ret = wlfw_cap_send_sync_msg();
if (ret < 0)
goto err_setup_msa;
wlfw_dynamic_feature_mask_send_sync_msg(penv,
dynamic_feature_mask);
icnss_init_vph_monitor(penv);
return ret;
err_setup_msa:
icnss_assign_msa_perm_all(penv, ICNSS_MSA_PERM_HLOS_ALL);
err_power_on:
icnss_hw_power_off(penv);
fail:
qmi_handle_destroy(penv->wlfw_clnt);
penv->wlfw_clnt = NULL;
out:
ICNSS_ASSERT(0);
return ret;
}
static int icnss_driver_event_server_exit(void *data)
{
if (!penv || !penv->wlfw_clnt)
return -ENODEV;
icnss_pr_info("QMI Service Disconnected: 0x%lx\n", penv->state);
if (!test_bit(VBATT_DISABLE, &quirks) && penv->adc_tm_dev)
qpnp_adc_tm_disable_chan_meas(penv->adc_tm_dev,
&penv->vph_monitor_params);
qmi_handle_destroy(penv->wlfw_clnt);
clear_bit(ICNSS_WLFW_QMI_CONNECTED, &penv->state);
penv->wlfw_clnt = NULL;
return 0;
}
static int icnss_call_driver_probe(struct icnss_priv *priv)
{
int ret;
if (!priv->ops || !priv->ops->probe)
return 0;
if (test_bit(ICNSS_DRIVER_PROBED, &priv->state))
return -EINVAL;
icnss_pr_dbg("Calling driver probe state: 0x%lx\n", priv->state);
icnss_hw_power_on(priv);
ret = priv->ops->probe(&priv->pdev->dev);
if (ret < 0) {
icnss_pr_err("Driver probe failed: %d, state: 0x%lx\n",
ret, priv->state);
goto out;
}
set_bit(ICNSS_DRIVER_PROBED, &priv->state);
return 0;
out:
icnss_hw_power_off(priv);
return ret;
}
static int icnss_call_driver_shutdown(struct icnss_priv *priv)
{
if (!test_bit(ICNSS_DRIVER_PROBED, &penv->state))
goto out;
if (!priv->ops || !priv->ops->shutdown)
goto out;
if (test_bit(ICNSS_SHUTDOWN_DONE, &penv->state))
goto out;
icnss_pr_dbg("Calling driver shutdown state: 0x%lx\n", priv->state);
priv->ops->shutdown(&priv->pdev->dev);
set_bit(ICNSS_SHUTDOWN_DONE, &penv->state);
out:
return 0;
}
static int icnss_pd_restart_complete(struct icnss_priv *priv)
{
int ret;
icnss_pm_relax(priv);
icnss_call_driver_shutdown(priv);
clear_bit(ICNSS_PD_RESTART, &priv->state);
if (!priv->ops || !priv->ops->reinit)
goto out;
if (!test_bit(ICNSS_DRIVER_PROBED, &priv->state))
goto call_probe;
icnss_pr_dbg("Calling driver reinit state: 0x%lx\n", priv->state);
icnss_hw_power_on(priv);
ret = priv->ops->reinit(&priv->pdev->dev);
if (ret < 0) {
icnss_pr_err("Driver reinit failed: %d, state: 0x%lx\n",
ret, priv->state);
ICNSS_ASSERT(false);
goto out_power_off;
}
out:
clear_bit(ICNSS_SHUTDOWN_DONE, &penv->state);
return 0;
call_probe:
return icnss_call_driver_probe(priv);
out_power_off:
icnss_hw_power_off(priv);
return ret;
}
static int icnss_driver_event_fw_ready_ind(void *data)
{
int ret = 0;
if (!penv)
return -ENODEV;
set_bit(ICNSS_FW_READY, &penv->state);
icnss_call_driver_uevent(penv, ICNSS_UEVENT_FW_READY, NULL);
icnss_pr_info("WLAN FW is ready: 0x%lx\n", penv->state);
icnss_hw_power_off(penv);
if (!penv->pdev) {
icnss_pr_err("Device is not ready\n");
ret = -ENODEV;
goto out;
}
if (test_bit(ICNSS_PD_RESTART, &penv->state))
ret = icnss_pd_restart_complete(penv);
else
ret = icnss_call_driver_probe(penv);
out:
return ret;
}
static int icnss_driver_event_register_driver(void *data)
{
int ret = 0;
if (penv->ops)
return -EEXIST;
penv->ops = data;
if (test_bit(SKIP_QMI, &quirks))
set_bit(ICNSS_FW_READY, &penv->state);
if (!test_bit(ICNSS_FW_READY, &penv->state)) {
icnss_pr_dbg("FW is not ready yet, state: 0x%lx\n",
penv->state);
goto out;
}
ret = icnss_hw_power_on(penv);
if (ret)
goto out;
ret = penv->ops->probe(&penv->pdev->dev);
if (ret) {
icnss_pr_err("Driver probe failed: %d, state: 0x%lx\n",
ret, penv->state);
goto power_off;
}
set_bit(ICNSS_DRIVER_PROBED, &penv->state);
return 0;
power_off:
icnss_hw_power_off(penv);
out:
return ret;
}
static int icnss_driver_event_unregister_driver(void *data)
{
if (!test_bit(ICNSS_DRIVER_PROBED, &penv->state)) {
penv->ops = NULL;
goto out;
}
if (penv->ops)
penv->ops->remove(&penv->pdev->dev);
clear_bit(ICNSS_DRIVER_PROBED, &penv->state);
penv->ops = NULL;
icnss_hw_power_off(penv);
out:
return 0;
}
static int icnss_call_driver_remove(struct icnss_priv *priv)
{
icnss_pr_dbg("Calling driver remove state: 0x%lx\n", priv->state);
clear_bit(ICNSS_FW_READY, &priv->state);
if (!test_bit(ICNSS_DRIVER_PROBED, &penv->state))
return 0;
if (!priv->ops || !priv->ops->remove)
return 0;
penv->ops->remove(&priv->pdev->dev);
clear_bit(ICNSS_DRIVER_PROBED, &priv->state);
icnss_hw_power_off(penv);
return 0;
}
static int icnss_fw_crashed(struct icnss_priv *priv,
struct icnss_event_pd_service_down_data *event_data)
{
icnss_pr_dbg("FW crashed, state: 0x%lx\n", priv->state);
set_bit(ICNSS_PD_RESTART, &priv->state);
clear_bit(ICNSS_FW_READY, &priv->state);
icnss_pm_stay_awake(priv);
if (test_bit(ICNSS_DRIVER_PROBED, &priv->state))
icnss_call_driver_uevent(priv, ICNSS_UEVENT_FW_CRASHED, NULL);
if (event_data->fw_rejuvenate)
wlfw_rejuvenate_ack_send_sync_msg(priv);
return 0;
}
static int icnss_driver_event_pd_service_down(struct icnss_priv *priv,
void *data)
{
int ret = 0;
struct icnss_event_pd_service_down_data *event_data = data;
if (!test_bit(ICNSS_WLFW_EXISTS, &priv->state))
goto out;
if (test_bit(ICNSS_PD_RESTART, &priv->state)) {
icnss_pr_err("PD Down while recovery inprogress, crashed: %d, state: 0x%lx\n",
event_data->crashed, priv->state);
ICNSS_ASSERT(0);
goto out;
}
if (event_data->crashed)
icnss_fw_crashed(priv, event_data);
else
icnss_call_driver_remove(priv);
out:
kfree(data);
icnss_ignore_qmi_timeout(false);
return ret;
}
static void icnss_driver_event_work(struct work_struct *work)
{
struct icnss_driver_event *event;
unsigned long flags;
int ret;
icnss_pm_stay_awake(penv);
spin_lock_irqsave(&penv->event_lock, flags);
while (!list_empty(&penv->event_list)) {
event = list_first_entry(&penv->event_list,
struct icnss_driver_event, list);
list_del(&event->list);
spin_unlock_irqrestore(&penv->event_lock, flags);
icnss_pr_dbg("Processing event: %s%s(%d), state: 0x%lx\n",
icnss_driver_event_to_str(event->type),
event->sync ? "-sync" : "", event->type,
penv->state);
switch (event->type) {
case ICNSS_DRIVER_EVENT_SERVER_ARRIVE:
ret = icnss_driver_event_server_arrive(event->data);
break;
case ICNSS_DRIVER_EVENT_SERVER_EXIT:
ret = icnss_driver_event_server_exit(event->data);
break;
case ICNSS_DRIVER_EVENT_FW_READY_IND:
ret = icnss_driver_event_fw_ready_ind(event->data);
break;
case ICNSS_DRIVER_EVENT_REGISTER_DRIVER:
ret = icnss_driver_event_register_driver(event->data);
break;
case ICNSS_DRIVER_EVENT_UNREGISTER_DRIVER:
ret = icnss_driver_event_unregister_driver(event->data);
break;
case ICNSS_DRIVER_EVENT_PD_SERVICE_DOWN:
ret = icnss_driver_event_pd_service_down(penv,
event->data);
break;
default:
icnss_pr_err("Invalid Event type: %d", event->type);
kfree(event);
continue;
}
penv->stats.events[event->type].processed++;
icnss_pr_dbg("Event Processed: %s%s(%d), ret: %d, state: 0x%lx\n",
icnss_driver_event_to_str(event->type),
event->sync ? "-sync" : "", event->type, ret,
penv->state);
spin_lock_irqsave(&penv->event_lock, flags);
if (event->sync) {
event->ret = ret;
complete(&event->complete);
continue;
}
spin_unlock_irqrestore(&penv->event_lock, flags);
kfree(event);
spin_lock_irqsave(&penv->event_lock, flags);
}
spin_unlock_irqrestore(&penv->event_lock, flags);
icnss_pm_relax(penv);
}
static int icnss_qmi_wlfw_clnt_svc_event_notify(struct notifier_block *this,
unsigned long code,
void *_cmd)
{
int ret = 0;
if (!penv)
return -ENODEV;
icnss_pr_dbg("Event Notify: code: %ld", code);
switch (code) {
case QMI_SERVER_ARRIVE:
ret = icnss_driver_event_post(ICNSS_DRIVER_EVENT_SERVER_ARRIVE,
0, NULL);
break;
case QMI_SERVER_EXIT:
ret = icnss_driver_event_post(ICNSS_DRIVER_EVENT_SERVER_EXIT,
0, NULL);
break;
default:
icnss_pr_dbg("Invalid code: %ld", code);
break;
}
return ret;
}
static int icnss_msa0_ramdump(struct icnss_priv *priv)
{
struct ramdump_segment segment;
memset(&segment, 0, sizeof(segment));
segment.v_address = priv->msa_va;
segment.size = priv->msa_mem_size;
return do_ramdump(priv->msa0_dump_dev, &segment, 1);
}
static struct notifier_block wlfw_clnt_nb = {
.notifier_call = icnss_qmi_wlfw_clnt_svc_event_notify,
};
static int icnss_modem_notifier_nb(struct notifier_block *nb,
unsigned long code,
void *data)
{
struct icnss_event_pd_service_down_data *event_data;
struct notif_data *notif = data;
struct icnss_priv *priv = container_of(nb, struct icnss_priv,
modem_ssr_nb);
struct icnss_uevent_fw_down_data fw_down_data;
int ret = 0;
icnss_pr_vdbg("Modem-Notify: event %lu\n", code);
if (code == SUBSYS_AFTER_SHUTDOWN) {
ret = icnss_assign_msa_perm_all(priv,
ICNSS_MSA_PERM_DUMP_COLLECT);
if (!ret) {
icnss_pr_info("Collecting msa0 segment dump\n");
icnss_msa0_ramdump(priv);
icnss_assign_msa_perm_all(priv,
ICNSS_MSA_PERM_WLAN_HW_RW);
} else {
icnss_pr_err("Not able to Collect msa0 segment dump"
"Apps permissions not assigned %d\n", ret);
}
return NOTIFY_OK;
}
if (code != SUBSYS_BEFORE_SHUTDOWN)
return NOTIFY_OK;
if (test_bit(ICNSS_PDR_REGISTERED, &priv->state))
return NOTIFY_OK;
icnss_pr_info("Modem went down, state: 0x%lx, crashed: %d\n",
priv->state, notif->crashed);
set_bit(ICNSS_FW_DOWN, &priv->state);
if (notif->crashed)
priv->stats.recovery.root_pd_crash++;
else
priv->stats.recovery.root_pd_shutdown++;
icnss_ignore_qmi_timeout(true);
event_data = kzalloc(sizeof(*event_data), GFP_KERNEL);
if (event_data == NULL)
return notifier_from_errno(-ENOMEM);
event_data->crashed = notif->crashed;
fw_down_data.crashed = !!notif->crashed;
icnss_call_driver_uevent(priv, ICNSS_UEVENT_FW_DOWN, &fw_down_data);
icnss_driver_event_post(ICNSS_DRIVER_EVENT_PD_SERVICE_DOWN,
ICNSS_EVENT_SYNC, event_data);
return NOTIFY_OK;
}
static int icnss_modem_ssr_register_notifier(struct icnss_priv *priv)
{
int ret = 0;
priv->modem_ssr_nb.notifier_call = icnss_modem_notifier_nb;
priv->modem_notify_handler =
subsys_notif_register_notifier("modem", &priv->modem_ssr_nb);
if (IS_ERR(priv->modem_notify_handler)) {
ret = PTR_ERR(priv->modem_notify_handler);
icnss_pr_err("Modem register notifier failed: %d\n", ret);
}
set_bit(ICNSS_SSR_REGISTERED, &priv->state);
return ret;
}
static int icnss_modem_ssr_unregister_notifier(struct icnss_priv *priv)
{
if (!test_and_clear_bit(ICNSS_SSR_REGISTERED, &priv->state))
return 0;
subsys_notif_unregister_notifier(priv->modem_notify_handler,
&priv->modem_ssr_nb);
priv->modem_notify_handler = NULL;
return 0;
}
static int icnss_pdr_unregister_notifier(struct icnss_priv *priv)
{
int i;
if (!test_and_clear_bit(ICNSS_PDR_REGISTERED, &priv->state))
return 0;
for (i = 0; i < priv->total_domains; i++)
service_notif_unregister_notifier(
priv->service_notifier[i].handle,
&priv->service_notifier_nb);
kfree(priv->service_notifier);
priv->service_notifier = NULL;
return 0;
}
static int icnss_service_notifier_notify(struct notifier_block *nb,
unsigned long notification, void *data)
{
struct icnss_priv *priv = container_of(nb, struct icnss_priv,
service_notifier_nb);
enum pd_subsys_state *state = data;
struct icnss_event_pd_service_down_data *event_data;
struct icnss_uevent_fw_down_data fw_down_data;
enum icnss_pdr_cause_index cause = ICNSS_ROOT_PD_CRASH;
icnss_pr_dbg("PD service notification: 0x%lx state: 0x%lx\n",
notification, priv->state);
if (notification != SERVREG_NOTIF_SERVICE_STATE_DOWN_V01)
goto done;
event_data = kzalloc(sizeof(*event_data), GFP_KERNEL);
if (event_data == NULL)
return notifier_from_errno(-ENOMEM);
event_data->crashed = true;
if (state == NULL) {
priv->stats.recovery.root_pd_crash++;
goto event_post;
}
switch (*state) {
case ROOT_PD_WDOG_BITE:
priv->stats.recovery.root_pd_crash++;
break;
case ROOT_PD_SHUTDOWN:
cause = ICNSS_ROOT_PD_SHUTDOWN;
priv->stats.recovery.root_pd_shutdown++;
event_data->crashed = false;
break;
case USER_PD_STATE_CHANGE:
if (test_bit(ICNSS_HOST_TRIGGERED_PDR, &priv->state)) {
cause = ICNSS_HOST_ERROR;
priv->stats.recovery.pdr_host_error++;
} else {
cause = ICNSS_FW_CRASH;
priv->stats.recovery.pdr_fw_crash++;
}
break;
default:
priv->stats.recovery.root_pd_crash++;
break;
}
icnss_pr_info("PD service down, pd_state: %d, state: 0x%lx: cause: %s\n",
*state, priv->state, icnss_pdr_cause[cause]);
event_post:
set_bit(ICNSS_FW_DOWN, &priv->state);
icnss_ignore_qmi_timeout(true);
clear_bit(ICNSS_HOST_TRIGGERED_PDR, &priv->state);
fw_down_data.crashed = event_data->crashed;
icnss_call_driver_uevent(priv, ICNSS_UEVENT_FW_DOWN, &fw_down_data);
icnss_driver_event_post(ICNSS_DRIVER_EVENT_PD_SERVICE_DOWN,
ICNSS_EVENT_SYNC, event_data);
done:
if (notification == SERVREG_NOTIF_SERVICE_STATE_UP_V01)
clear_bit(ICNSS_FW_DOWN, &priv->state);
return NOTIFY_OK;
}
static int icnss_get_service_location_notify(struct notifier_block *nb,
unsigned long opcode, void *data)
{
struct icnss_priv *priv = container_of(nb, struct icnss_priv,
get_service_nb);
struct pd_qmi_client_data *pd = data;
int curr_state;
int ret;
int i;
struct service_notifier_context *notifier;
icnss_pr_dbg("Get service notify opcode: %lu, state: 0x%lx\n", opcode,
priv->state);
if (opcode != LOCATOR_UP)
return NOTIFY_DONE;
if (pd->total_domains == 0) {
icnss_pr_err("Did not find any domains\n");
ret = -ENOENT;
goto out;
}
notifier = kcalloc(pd->total_domains,
sizeof(struct service_notifier_context),
GFP_KERNEL);
if (!notifier) {
ret = -ENOMEM;
goto out;
}
priv->service_notifier_nb.notifier_call = icnss_service_notifier_notify;
for (i = 0; i < pd->total_domains; i++) {
icnss_pr_dbg("%d: domain_name: %s, instance_id: %d\n", i,
pd->domain_list[i].name,
pd->domain_list[i].instance_id);
notifier[i].handle =
service_notif_register_notifier(pd->domain_list[i].name,
pd->domain_list[i].instance_id,
&priv->service_notifier_nb, &curr_state);
notifier[i].instance_id = pd->domain_list[i].instance_id;
strlcpy(notifier[i].name, pd->domain_list[i].name,
QMI_SERVREG_LOC_NAME_LENGTH_V01 + 1);
if (IS_ERR(notifier[i].handle)) {
icnss_pr_err("%d: Unable to register notifier for %s(0x%x)\n",
i, pd->domain_list->name,
pd->domain_list->instance_id);
ret = PTR_ERR(notifier[i].handle);
goto free_handle;
}
}
priv->service_notifier = notifier;
priv->total_domains = pd->total_domains;
set_bit(ICNSS_PDR_REGISTERED, &priv->state);
icnss_pr_dbg("PD notification registration happened, state: 0x%lx\n",
priv->state);
return NOTIFY_OK;
free_handle:
for (i = 0; i < pd->total_domains; i++) {
if (notifier[i].handle)
service_notif_unregister_notifier(notifier[i].handle,
&priv->service_notifier_nb);
}
kfree(notifier);
out:
icnss_pr_err("PD restart not enabled: %d, state: 0x%lx\n", ret,
priv->state);
return NOTIFY_OK;
}
static int icnss_pd_restart_enable(struct icnss_priv *priv)
{
int ret;
if (test_bit(SSR_ONLY, &quirks)) {
icnss_pr_dbg("PDR disabled through module parameter\n");
return 0;
}
icnss_pr_dbg("Get service location, state: 0x%lx\n", priv->state);
priv->get_service_nb.notifier_call = icnss_get_service_location_notify;
ret = get_service_location(ICNSS_SERVICE_LOCATION_CLIENT_NAME,
ICNSS_WLAN_SERVICE_NAME,
&priv->get_service_nb);
if (ret) {
icnss_pr_err("Get service location failed: %d\n", ret);
goto out;
}
return 0;
out:
icnss_pr_err("Failed to enable PD restart: %d\n", ret);
return ret;
}
static int icnss_enable_recovery(struct icnss_priv *priv)
{
int ret;
if (test_bit(RECOVERY_DISABLE, &quirks)) {
icnss_pr_dbg("Recovery disabled through module parameter\n");
return 0;
}
if (test_bit(PDR_ONLY, &quirks)) {
icnss_pr_dbg("SSR disabled through module parameter\n");
goto enable_pdr;
}
priv->msa0_dump_dev = create_ramdump_device("wcss_msa0",
&priv->pdev->dev);
if (!priv->msa0_dump_dev)
return -ENOMEM;
icnss_modem_ssr_register_notifier(priv);
if (test_bit(SSR_ONLY, &quirks)) {
icnss_pr_dbg("PDR disabled through module parameter\n");
return 0;
}
enable_pdr:
ret = icnss_pd_restart_enable(priv);
if (ret)
return ret;
return 0;
}
int icnss_register_driver(struct icnss_driver_ops *ops)
{
int ret = 0;
if (!penv || !penv->pdev) {
ret = -ENODEV;
goto out;
}
icnss_pr_dbg("Registering driver, state: 0x%lx\n", penv->state);
if (penv->ops) {
icnss_pr_err("Driver already registered\n");
ret = -EEXIST;
goto out;
}
if (!ops->probe || !ops->remove) {
ret = -EINVAL;
goto out;
}
ret = icnss_driver_event_post(ICNSS_DRIVER_EVENT_REGISTER_DRIVER,
0, ops);
if (ret == -EINTR)
ret = 0;
out:
return ret;
}
EXPORT_SYMBOL(icnss_register_driver);
int icnss_unregister_driver(struct icnss_driver_ops *ops)
{
int ret;
if (!penv || !penv->pdev) {
ret = -ENODEV;
goto out;
}
icnss_pr_dbg("Unregistering driver, state: 0x%lx\n", penv->state);
if (!penv->ops) {
icnss_pr_err("Driver not registered\n");
ret = -ENOENT;
goto out;
}
ret = icnss_driver_event_post(ICNSS_DRIVER_EVENT_UNREGISTER_DRIVER,
ICNSS_EVENT_SYNC_UNINTERRUPTIBLE, NULL);
out:
return ret;
}
EXPORT_SYMBOL(icnss_unregister_driver);
int icnss_ce_request_irq(unsigned int ce_id,
irqreturn_t (*handler)(int, void *),
unsigned long flags, const char *name, void *ctx)
{
int ret = 0;
unsigned int irq;
struct ce_irq_list *irq_entry;
if (!penv || !penv->pdev) {
ret = -ENODEV;
goto out;
}
icnss_pr_vdbg("CE request IRQ: %d, state: 0x%lx\n", ce_id, penv->state);
if (ce_id >= ICNSS_MAX_IRQ_REGISTRATIONS) {
icnss_pr_err("Invalid CE ID, ce_id: %d\n", ce_id);
ret = -EINVAL;
goto out;
}
irq = penv->ce_irqs[ce_id];
irq_entry = &penv->ce_irq_list[ce_id];
if (irq_entry->handler || irq_entry->irq) {
icnss_pr_err("IRQ already requested: %d, ce_id: %d\n",
irq, ce_id);
ret = -EEXIST;
goto out;
}
ret = request_irq(irq, handler, flags, name, ctx);
if (ret) {
icnss_pr_err("IRQ request failed: %d, ce_id: %d, ret: %d\n",
irq, ce_id, ret);
goto out;
}
irq_entry->irq = irq;
irq_entry->handler = handler;
icnss_pr_vdbg("IRQ requested: %d, ce_id: %d\n", irq, ce_id);
penv->stats.ce_irqs[ce_id].request++;
out:
return ret;
}
EXPORT_SYMBOL(icnss_ce_request_irq);
int icnss_ce_free_irq(unsigned int ce_id, void *ctx)
{
int ret = 0;
unsigned int irq;
struct ce_irq_list *irq_entry;
if (!penv || !penv->pdev) {
ret = -ENODEV;
goto out;
}
icnss_pr_vdbg("CE free IRQ: %d, state: 0x%lx\n", ce_id, penv->state);
if (ce_id >= ICNSS_MAX_IRQ_REGISTRATIONS) {
icnss_pr_err("Invalid CE ID to free, ce_id: %d\n", ce_id);
ret = -EINVAL;
goto out;
}
irq = penv->ce_irqs[ce_id];
irq_entry = &penv->ce_irq_list[ce_id];
if (!irq_entry->handler || !irq_entry->irq) {
icnss_pr_err("IRQ not requested: %d, ce_id: %d\n", irq, ce_id);
ret = -EEXIST;
goto out;
}
free_irq(irq, ctx);
irq_entry->irq = 0;
irq_entry->handler = NULL;
penv->stats.ce_irqs[ce_id].free++;
out:
return ret;
}
EXPORT_SYMBOL(icnss_ce_free_irq);
void icnss_enable_irq(unsigned int ce_id)
{
unsigned int irq;
if (!penv || !penv->pdev) {
icnss_pr_err("Platform driver not initialized\n");
return;
}
icnss_pr_vdbg("Enable IRQ: ce_id: %d, state: 0x%lx\n", ce_id,
penv->state);
if (ce_id >= ICNSS_MAX_IRQ_REGISTRATIONS) {
icnss_pr_err("Invalid CE ID to enable IRQ, ce_id: %d\n", ce_id);
return;
}
penv->stats.ce_irqs[ce_id].enable++;
irq = penv->ce_irqs[ce_id];
enable_irq(irq);
}
EXPORT_SYMBOL(icnss_enable_irq);
void icnss_disable_irq(unsigned int ce_id)
{
unsigned int irq;
if (!penv || !penv->pdev) {
icnss_pr_err("Platform driver not initialized\n");
return;
}
icnss_pr_vdbg("Disable IRQ: ce_id: %d, state: 0x%lx\n", ce_id,
penv->state);
if (ce_id >= ICNSS_MAX_IRQ_REGISTRATIONS) {
icnss_pr_err("Invalid CE ID to disable IRQ, ce_id: %d\n",
ce_id);
return;
}
irq = penv->ce_irqs[ce_id];
disable_irq(irq);
penv->stats.ce_irqs[ce_id].disable++;
}
EXPORT_SYMBOL(icnss_disable_irq);
int icnss_get_soc_info(struct icnss_soc_info *info)
{
if (!penv) {
icnss_pr_err("Platform driver not initialized\n");
return -EINVAL;
}
info->v_addr = penv->mem_base_va;
info->p_addr = penv->mem_base_pa;
info->chip_id = penv->chip_info.chip_id;
info->chip_family = penv->chip_info.chip_family;
info->board_id = penv->board_info.board_id;
info->soc_id = penv->soc_info.soc_id;
info->fw_version = penv->fw_version_info.fw_version;
strlcpy(info->fw_build_timestamp,
penv->fw_version_info.fw_build_timestamp,
QMI_WLFW_MAX_TIMESTAMP_LEN_V01 + 1);
return 0;
}
EXPORT_SYMBOL(icnss_get_soc_info);
int icnss_set_fw_log_mode(uint8_t fw_log_mode)
{
int ret;
icnss_pr_dbg("FW log mode: %u\n", fw_log_mode);
ret = wlfw_ini_send_sync_msg(fw_log_mode);
if (ret)
icnss_pr_err("Fail to send ini, ret = %d, fw_log_mode: %u\n",
ret, fw_log_mode);
return ret;
}
EXPORT_SYMBOL(icnss_set_fw_log_mode);
int icnss_athdiag_read(struct device *dev, uint32_t offset,
uint32_t mem_type, uint32_t data_len,
uint8_t *output)
{
int ret = 0;
struct icnss_priv *priv = dev_get_drvdata(dev);
if (priv->magic != ICNSS_MAGIC) {
icnss_pr_err("Invalid drvdata for diag read: dev %p, data %p, magic 0x%x\n",
dev, priv, priv->magic);
return -EINVAL;
}
if (!output || data_len == 0
|| data_len > QMI_WLFW_MAX_DATA_SIZE_V01) {
icnss_pr_err("Invalid parameters for diag read: output %p, data_len %u\n",
output, data_len);
ret = -EINVAL;
goto out;
}
if (!test_bit(ICNSS_FW_READY, &priv->state) ||
!test_bit(ICNSS_POWER_ON, &priv->state)) {
icnss_pr_err("Invalid state for diag read: 0x%lx\n",
priv->state);
ret = -EINVAL;
goto out;
}
ret = wlfw_athdiag_read_send_sync_msg(priv, offset, mem_type,
data_len, output);
out:
return ret;
}
EXPORT_SYMBOL(icnss_athdiag_read);
int icnss_athdiag_write(struct device *dev, uint32_t offset,
uint32_t mem_type, uint32_t data_len,
uint8_t *input)
{
int ret = 0;
struct icnss_priv *priv = dev_get_drvdata(dev);
if (priv->magic != ICNSS_MAGIC) {
icnss_pr_err("Invalid drvdata for diag write: dev %p, data %p, magic 0x%x\n",
dev, priv, priv->magic);
return -EINVAL;
}
if (!input || data_len == 0
|| data_len > QMI_WLFW_MAX_DATA_SIZE_V01) {
icnss_pr_err("Invalid parameters for diag write: input %p, data_len %u\n",
input, data_len);
ret = -EINVAL;
goto out;
}
if (!test_bit(ICNSS_FW_READY, &priv->state) ||
!test_bit(ICNSS_POWER_ON, &priv->state)) {
icnss_pr_err("Invalid state for diag write: 0x%lx\n",
priv->state);
ret = -EINVAL;
goto out;
}
ret = wlfw_athdiag_write_send_sync_msg(priv, offset, mem_type,
data_len, input);
out:
return ret;
}
EXPORT_SYMBOL(icnss_athdiag_write);
int icnss_wlan_enable(struct icnss_wlan_enable_cfg *config,
enum icnss_driver_mode mode,
const char *host_version)
{
struct wlfw_wlan_cfg_req_msg_v01 req;
u32 i;
int ret;
icnss_pr_dbg("Mode: %d, config: %p, host_version: %s\n",
mode, config, host_version);
memset(&req, 0, sizeof(req));
if (mode == ICNSS_WALTEST || mode == ICNSS_CCPM)
goto skip;
if (!config || !host_version) {
icnss_pr_err("Invalid cfg pointer, config: %p, host_version: %p\n",
config, host_version);
ret = -EINVAL;
goto out;
}
req.host_version_valid = 1;
strlcpy(req.host_version, host_version,
QMI_WLFW_MAX_STR_LEN_V01 + 1);
req.tgt_cfg_valid = 1;
if (config->num_ce_tgt_cfg > QMI_WLFW_MAX_NUM_CE_V01)
req.tgt_cfg_len = QMI_WLFW_MAX_NUM_CE_V01;
else
req.tgt_cfg_len = config->num_ce_tgt_cfg;
for (i = 0; i < req.tgt_cfg_len; i++) {
req.tgt_cfg[i].pipe_num = config->ce_tgt_cfg[i].pipe_num;
req.tgt_cfg[i].pipe_dir = config->ce_tgt_cfg[i].pipe_dir;
req.tgt_cfg[i].nentries = config->ce_tgt_cfg[i].nentries;
req.tgt_cfg[i].nbytes_max = config->ce_tgt_cfg[i].nbytes_max;
req.tgt_cfg[i].flags = config->ce_tgt_cfg[i].flags;
}
req.svc_cfg_valid = 1;
if (config->num_ce_svc_pipe_cfg > QMI_WLFW_MAX_NUM_SVC_V01)
req.svc_cfg_len = QMI_WLFW_MAX_NUM_SVC_V01;
else
req.svc_cfg_len = config->num_ce_svc_pipe_cfg;
for (i = 0; i < req.svc_cfg_len; i++) {
req.svc_cfg[i].service_id = config->ce_svc_cfg[i].service_id;
req.svc_cfg[i].pipe_dir = config->ce_svc_cfg[i].pipe_dir;
req.svc_cfg[i].pipe_num = config->ce_svc_cfg[i].pipe_num;
}
req.shadow_reg_valid = 1;
if (config->num_shadow_reg_cfg >
QMI_WLFW_MAX_NUM_SHADOW_REG_V01)
req.shadow_reg_len = QMI_WLFW_MAX_NUM_SHADOW_REG_V01;
else
req.shadow_reg_len = config->num_shadow_reg_cfg;
memcpy(req.shadow_reg, config->shadow_reg_cfg,
sizeof(struct wlfw_shadow_reg_cfg_s_v01) * req.shadow_reg_len);
ret = wlfw_wlan_cfg_send_sync_msg(&req);
if (ret)
goto out;
skip:
ret = wlfw_wlan_mode_send_sync_msg(mode);
out:
if (test_bit(SKIP_QMI, &quirks))
ret = 0;
return ret;
}
EXPORT_SYMBOL(icnss_wlan_enable);
int icnss_wlan_disable(enum icnss_driver_mode mode)
{
return wlfw_wlan_mode_send_sync_msg(QMI_WLFW_OFF_V01);
}
EXPORT_SYMBOL(icnss_wlan_disable);
bool icnss_is_qmi_disable(void)
{
return test_bit(SKIP_QMI, &quirks) ? true : false;
}
EXPORT_SYMBOL(icnss_is_qmi_disable);
int icnss_get_ce_id(int irq)
{
int i;
if (!penv || !penv->pdev)
return -ENODEV;
for (i = 0; i < ICNSS_MAX_IRQ_REGISTRATIONS; i++) {
if (penv->ce_irqs[i] == irq)
return i;
}
icnss_pr_err("No matching CE id for irq %d\n", irq);
return -EINVAL;
}
EXPORT_SYMBOL(icnss_get_ce_id);
int icnss_get_irq(int ce_id)
{
int irq;
if (!penv || !penv->pdev)
return -ENODEV;
if (ce_id >= ICNSS_MAX_IRQ_REGISTRATIONS)
return -EINVAL;
irq = penv->ce_irqs[ce_id];
return irq;
}
EXPORT_SYMBOL(icnss_get_irq);
struct dma_iommu_mapping *icnss_smmu_get_mapping(struct device *dev)
{
struct icnss_priv *priv = dev_get_drvdata(dev);
if (!priv) {
icnss_pr_err("Invalid drvdata: dev %p, data %p\n",
dev, priv);
return NULL;
}
return priv->smmu_mapping;
}
EXPORT_SYMBOL(icnss_smmu_get_mapping);
int icnss_smmu_map(struct device *dev,
phys_addr_t paddr, uint32_t *iova_addr, size_t size)
{
struct icnss_priv *priv = dev_get_drvdata(dev);
unsigned long iova;
size_t len;
int ret = 0;
if (!priv) {
icnss_pr_err("Invalid drvdata: dev %p, data %p\n",
dev, priv);
return -EINVAL;
}
if (!iova_addr) {
icnss_pr_err("iova_addr is NULL, paddr %pa, size %zu\n",
&paddr, size);
return -EINVAL;
}
len = roundup(size + paddr - rounddown(paddr, PAGE_SIZE), PAGE_SIZE);
iova = roundup(penv->smmu_iova_ipa_start, PAGE_SIZE);
if (iova >= priv->smmu_iova_ipa_start + priv->smmu_iova_ipa_len) {
icnss_pr_err("No IOVA space to map, iova %lx, smmu_iova_ipa_start %pad, smmu_iova_ipa_len %zu\n",
iova,
&priv->smmu_iova_ipa_start,
priv->smmu_iova_ipa_len);
return -ENOMEM;
}
ret = iommu_map(priv->smmu_mapping->domain, iova,
rounddown(paddr, PAGE_SIZE), len,
IOMMU_READ | IOMMU_WRITE);
if (ret) {
icnss_pr_err("PA to IOVA mapping failed, ret %d\n", ret);
return ret;
}
priv->smmu_iova_ipa_start = iova + len;
*iova_addr = (uint32_t)(iova + paddr - rounddown(paddr, PAGE_SIZE));
return 0;
}
EXPORT_SYMBOL(icnss_smmu_map);
unsigned int icnss_socinfo_get_serial_number(struct device *dev)
{
return socinfo_get_serial_number();
}
EXPORT_SYMBOL(icnss_socinfo_get_serial_number);
int icnss_set_wlan_mac_address(const u8 *in, const uint32_t len)
{
struct icnss_priv *priv = penv;
uint32_t no_of_mac_addr;
struct icnss_wlan_mac_addr *addr = NULL;
int iter;
u8 *temp = NULL;
if (!priv) {
icnss_pr_err("Priv data is NULL\n");
return -EINVAL;
}
if (priv->is_wlan_mac_set) {
icnss_pr_dbg("WLAN MAC address is already set\n");
return 0;
}
if (len == 0 || (len % ETH_ALEN) != 0) {
icnss_pr_err("Invalid length %d\n", len);
return -EINVAL;
}
no_of_mac_addr = len / ETH_ALEN;
if (no_of_mac_addr > MAX_NO_OF_MAC_ADDR) {
icnss_pr_err("Exceed maxinum supported MAC address %u %u\n",
MAX_NO_OF_MAC_ADDR, no_of_mac_addr);
return -EINVAL;
}
priv->is_wlan_mac_set = true;
addr = &priv->wlan_mac_addr;
addr->no_of_mac_addr_set = no_of_mac_addr;
temp = &addr->mac_addr[0][0];
for (iter = 0; iter < no_of_mac_addr;
++iter, temp += ETH_ALEN, in += ETH_ALEN) {
ether_addr_copy(temp, in);
icnss_pr_dbg("MAC_ADDR:%02x:%02x:%02x:%02x:%02x:%02x\n",
temp[0], temp[1], temp[2],
temp[3], temp[4], temp[5]);
}
return 0;
}
EXPORT_SYMBOL(icnss_set_wlan_mac_address);
u8 *icnss_get_wlan_mac_address(struct device *dev, uint32_t *num)
{
struct icnss_priv *priv = dev_get_drvdata(dev);
struct icnss_wlan_mac_addr *addr = NULL;
if (priv->magic != ICNSS_MAGIC) {
icnss_pr_err("Invalid drvdata: dev %p, data %p, magic 0x%x\n",
dev, priv, priv->magic);
goto out;
}
if (!priv->is_wlan_mac_set) {
icnss_pr_dbg("WLAN MAC address is not set\n");
goto out;
}
addr = &priv->wlan_mac_addr;
*num = addr->no_of_mac_addr_set;
return &addr->mac_addr[0][0];
out:
*num = 0;
return NULL;
}
EXPORT_SYMBOL(icnss_get_wlan_mac_address);
int icnss_trigger_recovery(struct device *dev)
{
int ret = 0;
struct icnss_priv *priv = dev_get_drvdata(dev);
if (priv->magic != ICNSS_MAGIC) {
icnss_pr_err("Invalid drvdata: magic 0x%x\n", priv->magic);
ret = -EINVAL;
goto out;
}
if (test_bit(ICNSS_PD_RESTART, &priv->state)) {
icnss_pr_err("PD recovery already in progress: state: 0x%lx\n",
priv->state);
ret = -EPERM;
goto out;
}
if (!test_bit(ICNSS_PDR_REGISTERED, &priv->state)) {
icnss_pr_err("PD restart not enabled to trigger recovery: state: 0x%lx\n",
priv->state);
ret = -EOPNOTSUPP;
goto out;
}
if (!priv->service_notifier || !priv->service_notifier[0].handle) {
icnss_pr_err("Invalid handle during recovery, state: 0x%lx\n",
priv->state);
ret = -EINVAL;
goto out;
}
WARN_ON(1);
icnss_pr_warn("Initiate PD restart at WLAN FW, state: 0x%lx\n",
priv->state);
/*
* Initiate PDR, required only for the first instance
*/
ret = service_notif_pd_restart(priv->service_notifier[0].name,
priv->service_notifier[0].instance_id);
if (!ret)
set_bit(ICNSS_HOST_TRIGGERED_PDR, &priv->state);
out:
return ret;
}
EXPORT_SYMBOL(icnss_trigger_recovery);
static int icnss_smmu_init(struct icnss_priv *priv)
{
struct dma_iommu_mapping *mapping;
int atomic_ctx = 1;
int s1_bypass = 1;
int fast = 1;
int ret = 0;
icnss_pr_dbg("Initializing SMMU\n");
mapping = arm_iommu_create_mapping(&platform_bus_type,
priv->smmu_iova_start,
priv->smmu_iova_len);
if (IS_ERR(mapping)) {
icnss_pr_err("Create mapping failed, err = %d\n", ret);
ret = PTR_ERR(mapping);
goto map_fail;
}
if (priv->bypass_s1_smmu) {
ret = iommu_domain_set_attr(mapping->domain,
DOMAIN_ATTR_S1_BYPASS,
&s1_bypass);
if (ret < 0) {
icnss_pr_err("Set s1_bypass attribute failed, err = %d\n",
ret);
goto set_attr_fail;
}
icnss_pr_dbg("SMMU S1 BYPASS\n");
} else {
ret = iommu_domain_set_attr(mapping->domain,
DOMAIN_ATTR_ATOMIC,
&atomic_ctx);
if (ret < 0) {
icnss_pr_err("Set atomic_ctx attribute failed, err = %d\n",
ret);
goto set_attr_fail;
}
icnss_pr_dbg("SMMU ATTR ATOMIC\n");
ret = iommu_domain_set_attr(mapping->domain,
DOMAIN_ATTR_FAST,
&fast);
if (ret < 0) {
icnss_pr_err("Set fast map attribute failed, err = %d\n",
ret);
goto set_attr_fail;
}
icnss_pr_dbg("SMMU FAST map set\n");
}
ret = arm_iommu_attach_device(&priv->pdev->dev, mapping);
if (ret < 0) {
icnss_pr_err("Attach device failed, err = %d\n", ret);
goto attach_fail;
}
priv->smmu_mapping = mapping;
return ret;
attach_fail:
set_attr_fail:
arm_iommu_release_mapping(mapping);
map_fail:
return ret;
}
static void icnss_smmu_deinit(struct icnss_priv *priv)
{
if (!priv->smmu_mapping)
return;
arm_iommu_detach_device(&priv->pdev->dev);
arm_iommu_release_mapping(priv->smmu_mapping);
priv->smmu_mapping = NULL;
}
static int icnss_get_vreg_info(struct device *dev,
struct icnss_vreg_info *vreg_info)
{
int ret = 0;
char prop_name[MAX_PROP_SIZE];
struct regulator *reg;
const __be32 *prop;
int len = 0;
int i;
reg = devm_regulator_get_optional(dev, vreg_info->name);
if (PTR_ERR(reg) == -EPROBE_DEFER) {
icnss_pr_err("EPROBE_DEFER for regulator: %s\n",
vreg_info->name);
ret = PTR_ERR(reg);
goto out;
}
if (IS_ERR(reg)) {
ret = PTR_ERR(reg);
if (vreg_info->required) {
icnss_pr_err("Regulator %s doesn't exist: %d\n",
vreg_info->name, ret);
goto out;
} else {
icnss_pr_dbg("Optional regulator %s doesn't exist: %d\n",
vreg_info->name, ret);
goto done;
}
}
vreg_info->reg = reg;
snprintf(prop_name, MAX_PROP_SIZE,
"qcom,%s-config", vreg_info->name);
prop = of_get_property(dev->of_node, prop_name, &len);
icnss_pr_dbg("Got regulator config, prop: %s, len: %d\n",
prop_name, len);
if (!prop || len < (2 * sizeof(__be32))) {
icnss_pr_dbg("Property %s %s\n", prop_name,
prop ? "invalid format" : "doesn't exist");
goto done;
}
for (i = 0; (i * sizeof(__be32)) < len; i++) {
switch (i) {
case 0:
vreg_info->min_v = be32_to_cpup(&prop[0]);
break;
case 1:
vreg_info->max_v = be32_to_cpup(&prop[1]);
break;
case 2:
vreg_info->load_ua = be32_to_cpup(&prop[2]);
break;
case 3:
vreg_info->settle_delay = be32_to_cpup(&prop[3]);
break;
default:
icnss_pr_dbg("Property %s, ignoring value at %d\n",
prop_name, i);
break;
}
}
done:
icnss_pr_dbg("Regulator: %s, min_v: %u, max_v: %u, load: %u, delay: %lu\n",
vreg_info->name, vreg_info->min_v, vreg_info->max_v,
vreg_info->load_ua, vreg_info->settle_delay);
return 0;
out:
return ret;
}
static int icnss_get_clk_info(struct device *dev,
struct icnss_clk_info *clk_info)
{
struct clk *handle;
int ret = 0;
handle = devm_clk_get(dev, clk_info->name);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
if (clk_info->required) {
icnss_pr_err("Clock %s isn't available: %d\n",
clk_info->name, ret);
goto out;
} else {
icnss_pr_dbg("Ignoring clock %s: %d\n", clk_info->name,
ret);
ret = 0;
goto out;
}
}
icnss_pr_dbg("Clock: %s, freq: %u\n", clk_info->name, clk_info->freq);
clk_info->handle = handle;
out:
return ret;
}
static int icnss_fw_debug_show(struct seq_file *s, void *data)
{
struct icnss_priv *priv = s->private;
seq_puts(s, "\nUsage: echo <CMD> <VAL> > <DEBUGFS>/icnss/fw_debug\n");
seq_puts(s, "\nCMD: test_mode\n");
seq_puts(s, " VAL: 0 (Test mode disable)\n");
seq_puts(s, " VAL: 1 (WLAN FW test)\n");
seq_puts(s, " VAL: 2 (CCPM test)\n");
seq_puts(s, " VAL: 3 (Trigger Recovery)\n");
seq_puts(s, "\nCMD: dynamic_feature_mask\n");
seq_puts(s, " VAL: (64 bit feature mask)\n");
if (!test_bit(ICNSS_FW_READY, &priv->state)) {
seq_puts(s, "Firmware is not ready yet, can't run test_mode!\n");
goto out;
}
if (test_bit(ICNSS_DRIVER_PROBED, &priv->state)) {
seq_puts(s, "Machine mode is running, can't run test_mode!\n");
goto out;
}
if (test_bit(ICNSS_FW_TEST_MODE, &priv->state)) {
seq_puts(s, "test_mode is running, can't run test_mode!\n");
goto out;
}
out:
seq_puts(s, "\n");
return 0;
}
static int icnss_test_mode_fw_test_off(struct icnss_priv *priv)
{
int ret;
if (!test_bit(ICNSS_FW_READY, &priv->state)) {
icnss_pr_err("Firmware is not ready yet!, wait for FW READY: state: 0x%lx\n",
priv->state);
ret = -ENODEV;
goto out;
}
if (test_bit(ICNSS_DRIVER_PROBED, &priv->state)) {
icnss_pr_err("Machine mode is running, can't run test mode: state: 0x%lx\n",
priv->state);
ret = -EINVAL;
goto out;
}
if (!test_bit(ICNSS_FW_TEST_MODE, &priv->state)) {
icnss_pr_err("Test mode not started, state: 0x%lx\n",
priv->state);
ret = -EINVAL;
goto out;
}
icnss_wlan_disable(ICNSS_OFF);
ret = icnss_hw_power_off(priv);
clear_bit(ICNSS_FW_TEST_MODE, &priv->state);
out:
return ret;
}
static int icnss_test_mode_fw_test(struct icnss_priv *priv,
enum icnss_driver_mode mode)
{
int ret;
if (!test_bit(ICNSS_FW_READY, &priv->state)) {
icnss_pr_err("Firmware is not ready yet!, wait for FW READY, state: 0x%lx\n",
priv->state);
ret = -ENODEV;
goto out;
}
if (test_bit(ICNSS_DRIVER_PROBED, &priv->state)) {
icnss_pr_err("Machine mode is running, can't run test mode, state: 0x%lx\n",
priv->state);
ret = -EINVAL;
goto out;
}
if (test_bit(ICNSS_FW_TEST_MODE, &priv->state)) {
icnss_pr_err("Test mode already started, state: 0x%lx\n",
priv->state);
ret = -EBUSY;
goto out;
}
ret = icnss_hw_power_on(priv);
if (ret)
goto out;
set_bit(ICNSS_FW_TEST_MODE, &priv->state);
ret = icnss_wlan_enable(NULL, mode, NULL);
if (ret)
goto power_off;
return 0;
power_off:
icnss_hw_power_off(priv);
clear_bit(ICNSS_FW_TEST_MODE, &priv->state);
out:
return ret;
}
static ssize_t icnss_fw_debug_write(struct file *fp,
const char __user *user_buf,
size_t count, loff_t *off)
{
struct icnss_priv *priv =
((struct seq_file *)fp->private_data)->private;
char buf[64];
char *sptr, *token;
unsigned int len = 0;
char *cmd;
uint64_t val;
const char *delim = " ";
int ret = 0;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EINVAL;
buf[len] = '\0';
sptr = buf;
token = strsep(&sptr, delim);
if (!token)
return -EINVAL;
if (!sptr)
return -EINVAL;
cmd = token;
token = strsep(&sptr, delim);
if (!token)
return -EINVAL;
if (kstrtou64(token, 0, &val))
return -EINVAL;
if (strcmp(cmd, "test_mode") == 0) {
switch (val) {
case 0:
ret = icnss_test_mode_fw_test_off(priv);
break;
case 1:
ret = icnss_test_mode_fw_test(priv, ICNSS_WALTEST);
break;
case 2:
ret = icnss_test_mode_fw_test(priv, ICNSS_CCPM);
break;
case 3:
ret = icnss_trigger_recovery(&priv->pdev->dev);
break;
default:
return -EINVAL;
}
} else if (strcmp(cmd, "dynamic_feature_mask") == 0) {
ret = wlfw_dynamic_feature_mask_send_sync_msg(priv, val);
} else {
return -EINVAL;
}
if (ret)
return ret;
return count;
}
static int icnss_fw_debug_open(struct inode *inode, struct file *file)
{
return single_open(file, icnss_fw_debug_show, inode->i_private);
}
static const struct file_operations icnss_fw_debug_fops = {
.read = seq_read,
.write = icnss_fw_debug_write,
.release = single_release,
.open = icnss_fw_debug_open,
.owner = THIS_MODULE,
.llseek = seq_lseek,
};
static ssize_t icnss_stats_write(struct file *fp, const char __user *buf,
size_t count, loff_t *off)
{
struct icnss_priv *priv =
((struct seq_file *)fp->private_data)->private;
int ret;
u32 val;
ret = kstrtou32_from_user(buf, count, 0, &val);
if (ret)
return ret;
if (ret == 0)
memset(&priv->stats, 0, sizeof(priv->stats));
return count;
}
static int icnss_stats_show_state(struct seq_file *s, struct icnss_priv *priv)
{
enum icnss_driver_state i;
int skip = 0;
unsigned long state;
seq_printf(s, "\nState: 0x%lx(", priv->state);
for (i = 0, state = priv->state; state != 0; state >>= 1, i++) {
if (!(state & 0x1))
continue;
if (skip++)
seq_puts(s, " | ");
switch (i) {
case ICNSS_WLFW_QMI_CONNECTED:
seq_puts(s, "QMI CONN");
continue;
case ICNSS_POWER_ON:
seq_puts(s, "POWER ON");
continue;
case ICNSS_FW_READY:
seq_puts(s, "FW READY");
continue;
case ICNSS_DRIVER_PROBED:
seq_puts(s, "DRIVER PROBED");
continue;
case ICNSS_FW_TEST_MODE:
seq_puts(s, "FW TEST MODE");
continue;
case ICNSS_PM_SUSPEND:
seq_puts(s, "PM SUSPEND");
continue;
case ICNSS_PM_SUSPEND_NOIRQ:
seq_puts(s, "PM SUSPEND NOIRQ");
continue;
case ICNSS_SSR_REGISTERED:
seq_puts(s, "SSR REGISTERED");
continue;
case ICNSS_PDR_REGISTERED:
seq_puts(s, "PDR REGISTERED");
continue;
case ICNSS_PD_RESTART:
seq_puts(s, "PD RESTART");
continue;
case ICNSS_MSA0_ASSIGNED:
seq_puts(s, "MSA0 ASSIGNED");
continue;
case ICNSS_WLFW_EXISTS:
seq_puts(s, "WLAN FW EXISTS");
continue;
case ICNSS_SHUTDOWN_DONE:
seq_puts(s, "SHUTDOWN DONE");
continue;
case ICNSS_HOST_TRIGGERED_PDR:
seq_puts(s, "HOST TRIGGERED PDR");
continue;
case ICNSS_FW_DOWN:
seq_puts(s, "FW DOWN");
continue;
}
seq_printf(s, "UNKNOWN-%d", i);
}
seq_puts(s, ")\n");
return 0;
}
static int icnss_stats_show_capability(struct seq_file *s,
struct icnss_priv *priv)
{
if (test_bit(ICNSS_FW_READY, &priv->state)) {
seq_puts(s, "\n<---------------- FW Capability ----------------->\n");
seq_printf(s, "Chip ID: 0x%x\n", priv->chip_info.chip_id);
seq_printf(s, "Chip family: 0x%x\n",
priv->chip_info.chip_family);
seq_printf(s, "Board ID: 0x%x\n", priv->board_info.board_id);
seq_printf(s, "SOC Info: 0x%x\n", priv->soc_info.soc_id);
seq_printf(s, "Firmware Version: 0x%x\n",
priv->fw_version_info.fw_version);
seq_printf(s, "Firmware Build Timestamp: %s\n",
priv->fw_version_info.fw_build_timestamp);
seq_printf(s, "Firmware Build ID: %s\n",
priv->fw_build_id);
}
return 0;
}
static int icnss_stats_show_rejuvenate_info(struct seq_file *s,
struct icnss_priv *priv)
{
if (priv->stats.rejuvenate_ind) {
seq_puts(s, "\n<---------------- Rejuvenate Info ----------------->\n");
seq_printf(s, "Number of Rejuvenations: %u\n",
priv->stats.rejuvenate_ind);
seq_printf(s, "Cause for Rejuvenation: 0x%x\n",
priv->cause_for_rejuvenation);
seq_printf(s, "Requesting Sub-System: 0x%x\n",
priv->requesting_sub_system);
seq_printf(s, "Line Number: %u\n",
priv->line_number);
seq_printf(s, "Function Name: %s\n",
priv->function_name);
}
return 0;
}
static int icnss_stats_show_events(struct seq_file *s, struct icnss_priv *priv)
{
int i;
seq_puts(s, "\n<----------------- Events stats ------------------->\n");
seq_printf(s, "%24s %16s %16s\n", "Events", "Posted", "Processed");
for (i = 0; i < ICNSS_DRIVER_EVENT_MAX; i++)
seq_printf(s, "%24s %16u %16u\n",
icnss_driver_event_to_str(i),
priv->stats.events[i].posted,
priv->stats.events[i].processed);
return 0;
}
static int icnss_stats_show_irqs(struct seq_file *s, struct icnss_priv *priv)
{
int i;
seq_puts(s, "\n<------------------ IRQ stats ------------------->\n");
seq_printf(s, "%4s %4s %8s %8s %8s %8s\n", "CE_ID", "IRQ", "Request",
"Free", "Enable", "Disable");
for (i = 0; i < ICNSS_MAX_IRQ_REGISTRATIONS; i++)
seq_printf(s, "%4d: %4u %8u %8u %8u %8u\n", i,
priv->ce_irqs[i], priv->stats.ce_irqs[i].request,
priv->stats.ce_irqs[i].free,
priv->stats.ce_irqs[i].enable,
priv->stats.ce_irqs[i].disable);
return 0;
}
static int icnss_stats_show(struct seq_file *s, void *data)
{
#define ICNSS_STATS_DUMP(_s, _priv, _x) \
seq_printf(_s, "%24s: %u\n", #_x, _priv->stats._x)
struct icnss_priv *priv = s->private;
ICNSS_STATS_DUMP(s, priv, ind_register_req);
ICNSS_STATS_DUMP(s, priv, ind_register_resp);
ICNSS_STATS_DUMP(s, priv, ind_register_err);
ICNSS_STATS_DUMP(s, priv, msa_info_req);
ICNSS_STATS_DUMP(s, priv, msa_info_resp);
ICNSS_STATS_DUMP(s, priv, msa_info_err);
ICNSS_STATS_DUMP(s, priv, msa_ready_req);
ICNSS_STATS_DUMP(s, priv, msa_ready_resp);
ICNSS_STATS_DUMP(s, priv, msa_ready_err);
ICNSS_STATS_DUMP(s, priv, msa_ready_ind);
ICNSS_STATS_DUMP(s, priv, cap_req);
ICNSS_STATS_DUMP(s, priv, cap_resp);
ICNSS_STATS_DUMP(s, priv, cap_err);
ICNSS_STATS_DUMP(s, priv, pin_connect_result);
ICNSS_STATS_DUMP(s, priv, cfg_req);
ICNSS_STATS_DUMP(s, priv, cfg_resp);
ICNSS_STATS_DUMP(s, priv, cfg_req_err);
ICNSS_STATS_DUMP(s, priv, mode_req);
ICNSS_STATS_DUMP(s, priv, mode_resp);
ICNSS_STATS_DUMP(s, priv, mode_req_err);
ICNSS_STATS_DUMP(s, priv, ini_req);
ICNSS_STATS_DUMP(s, priv, ini_resp);
ICNSS_STATS_DUMP(s, priv, ini_req_err);
ICNSS_STATS_DUMP(s, priv, vbatt_req);
ICNSS_STATS_DUMP(s, priv, vbatt_resp);
ICNSS_STATS_DUMP(s, priv, vbatt_req_err);
ICNSS_STATS_DUMP(s, priv, rejuvenate_ind);
ICNSS_STATS_DUMP(s, priv, rejuvenate_ack_req);
ICNSS_STATS_DUMP(s, priv, rejuvenate_ack_resp);
ICNSS_STATS_DUMP(s, priv, rejuvenate_ack_err);
ICNSS_STATS_DUMP(s, priv, recovery.pdr_fw_crash);
ICNSS_STATS_DUMP(s, priv, recovery.pdr_host_error);
ICNSS_STATS_DUMP(s, priv, recovery.root_pd_crash);
ICNSS_STATS_DUMP(s, priv, recovery.root_pd_shutdown);
seq_puts(s, "\n<------------------ PM stats ------------------->\n");
ICNSS_STATS_DUMP(s, priv, pm_suspend);
ICNSS_STATS_DUMP(s, priv, pm_suspend_err);
ICNSS_STATS_DUMP(s, priv, pm_resume);
ICNSS_STATS_DUMP(s, priv, pm_resume_err);
ICNSS_STATS_DUMP(s, priv, pm_suspend_noirq);
ICNSS_STATS_DUMP(s, priv, pm_suspend_noirq_err);
ICNSS_STATS_DUMP(s, priv, pm_resume_noirq);
ICNSS_STATS_DUMP(s, priv, pm_resume_noirq_err);
ICNSS_STATS_DUMP(s, priv, pm_stay_awake);
ICNSS_STATS_DUMP(s, priv, pm_relax);
icnss_stats_show_irqs(s, priv);
icnss_stats_show_capability(s, priv);
icnss_stats_show_rejuvenate_info(s, priv);
icnss_stats_show_events(s, priv);
icnss_stats_show_state(s, priv);
return 0;
#undef ICNSS_STATS_DUMP
}
static int icnss_stats_open(struct inode *inode, struct file *file)
{
return single_open(file, icnss_stats_show, inode->i_private);
}
static const struct file_operations icnss_stats_fops = {
.read = seq_read,
.write = icnss_stats_write,
.release = single_release,
.open = icnss_stats_open,
.owner = THIS_MODULE,
.llseek = seq_lseek,
};
static int icnss_regwrite_show(struct seq_file *s, void *data)
{
struct icnss_priv *priv = s->private;
seq_puts(s, "\nUsage: echo <mem_type> <offset> <reg_val> > <debugfs>/icnss/reg_write\n");
if (!test_bit(ICNSS_FW_READY, &priv->state))
seq_puts(s, "Firmware is not ready yet!, wait for FW READY\n");
return 0;
}
static ssize_t icnss_regwrite_write(struct file *fp,
const char __user *user_buf,
size_t count, loff_t *off)
{
struct icnss_priv *priv =
((struct seq_file *)fp->private_data)->private;
char buf[64];
char *sptr, *token;
unsigned int len = 0;
uint32_t reg_offset, mem_type, reg_val;
const char *delim = " ";
int ret = 0;
if (!test_bit(ICNSS_FW_READY, &priv->state) ||
!test_bit(ICNSS_POWER_ON, &priv->state))
return -EINVAL;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
sptr = buf;
token = strsep(&sptr, delim);
if (!token)
return -EINVAL;
if (!sptr)
return -EINVAL;
if (kstrtou32(token, 0, &mem_type))
return -EINVAL;
token = strsep(&sptr, delim);
if (!token)
return -EINVAL;
if (!sptr)
return -EINVAL;
if (kstrtou32(token, 0, &reg_offset))
return -EINVAL;
token = strsep(&sptr, delim);
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &reg_val))
return -EINVAL;
ret = wlfw_athdiag_write_send_sync_msg(priv, reg_offset, mem_type,
sizeof(uint32_t),
(uint8_t *)&reg_val);
if (ret)
return ret;
return count;
}
static int icnss_regwrite_open(struct inode *inode, struct file *file)
{
return single_open(file, icnss_regwrite_show, inode->i_private);
}
static const struct file_operations icnss_regwrite_fops = {
.read = seq_read,
.write = icnss_regwrite_write,
.open = icnss_regwrite_open,
.owner = THIS_MODULE,
.llseek = seq_lseek,
};
static int icnss_regread_show(struct seq_file *s, void *data)
{
struct icnss_priv *priv = s->private;
mutex_lock(&priv->dev_lock);
if (!priv->diag_reg_read_buf) {
seq_puts(s, "Usage: echo <mem_type> <offset> <data_len> > <debugfs>/icnss/reg_read\n");
if (!test_bit(ICNSS_FW_READY, &priv->state))
seq_puts(s, "Firmware is not ready yet!, wait for FW READY\n");
mutex_unlock(&priv->dev_lock);
return 0;
}
seq_printf(s, "REGREAD: Addr 0x%x Type 0x%x Length 0x%x\n",
priv->diag_reg_read_addr, priv->diag_reg_read_mem_type,
priv->diag_reg_read_len);
seq_hex_dump(s, "", DUMP_PREFIX_OFFSET, 32, 4, priv->diag_reg_read_buf,
priv->diag_reg_read_len, false);
priv->diag_reg_read_len = 0;
kfree(priv->diag_reg_read_buf);
priv->diag_reg_read_buf = NULL;
mutex_unlock(&priv->dev_lock);
return 0;
}
static ssize_t icnss_regread_write(struct file *fp, const char __user *user_buf,
size_t count, loff_t *off)
{
struct icnss_priv *priv =
((struct seq_file *)fp->private_data)->private;
char buf[64];
char *sptr, *token;
unsigned int len = 0;
uint32_t reg_offset, mem_type;
uint32_t data_len = 0;
uint8_t *reg_buf = NULL;
const char *delim = " ";
int ret = 0;
if (!test_bit(ICNSS_FW_READY, &priv->state) ||
!test_bit(ICNSS_POWER_ON, &priv->state))
return -EINVAL;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
sptr = buf;
token = strsep(&sptr, delim);
if (!token)
return -EINVAL;
if (!sptr)
return -EINVAL;
if (kstrtou32(token, 0, &mem_type))
return -EINVAL;
token = strsep(&sptr, delim);
if (!token)
return -EINVAL;
if (!sptr)
return -EINVAL;
if (kstrtou32(token, 0, &reg_offset))
return -EINVAL;
token = strsep(&sptr, delim);
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &data_len))
return -EINVAL;
if (data_len == 0 ||
data_len > QMI_WLFW_MAX_DATA_SIZE_V01)
return -EINVAL;
mutex_lock(&priv->dev_lock);
kfree(priv->diag_reg_read_buf);
priv->diag_reg_read_buf = NULL;
reg_buf = kzalloc(data_len, GFP_KERNEL);
if (!reg_buf) {
mutex_unlock(&priv->dev_lock);
return -ENOMEM;
}
ret = wlfw_athdiag_read_send_sync_msg(priv, reg_offset,
mem_type, data_len,
reg_buf);
if (ret) {
kfree(reg_buf);
mutex_unlock(&priv->dev_lock);
return ret;
}
priv->diag_reg_read_addr = reg_offset;
priv->diag_reg_read_mem_type = mem_type;
priv->diag_reg_read_len = data_len;
priv->diag_reg_read_buf = reg_buf;
mutex_unlock(&priv->dev_lock);
return count;
}
static int icnss_regread_open(struct inode *inode, struct file *file)
{
return single_open(file, icnss_regread_show, inode->i_private);
}
static const struct file_operations icnss_regread_fops = {
.read = seq_read,
.write = icnss_regread_write,
.open = icnss_regread_open,
.owner = THIS_MODULE,
.llseek = seq_lseek,
};
#ifdef CONFIG_ICNSS_DEBUG
static int icnss_debugfs_create(struct icnss_priv *priv)
{
int ret = 0;
struct dentry *root_dentry;
root_dentry = debugfs_create_dir("icnss", NULL);
if (IS_ERR(root_dentry)) {
ret = PTR_ERR(root_dentry);
icnss_pr_err("Unable to create debugfs %d\n", ret);
goto out;
}
priv->root_dentry = root_dentry;
debugfs_create_file("fw_debug", 0600, root_dentry, priv,
&icnss_fw_debug_fops);
debugfs_create_file("stats", 0600, root_dentry, priv,
&icnss_stats_fops);
debugfs_create_file("reg_read", 0600, root_dentry, priv,
&icnss_regread_fops);
debugfs_create_file("reg_write", 0600, root_dentry, priv,
&icnss_regwrite_fops);
out:
return ret;
}
#else
static int icnss_debugfs_create(struct icnss_priv *priv)
{
int ret = 0;
struct dentry *root_dentry;
root_dentry = debugfs_create_dir("icnss", NULL);
if (IS_ERR(root_dentry)) {
ret = PTR_ERR(root_dentry);
icnss_pr_err("Unable to create debugfs %d\n", ret);
return ret;
}
priv->root_dentry = root_dentry;
debugfs_create_file("stats", 0600, root_dentry, priv,
&icnss_stats_fops);
return 0;
}
#endif
static void icnss_debugfs_destroy(struct icnss_priv *priv)
{
debugfs_remove_recursive(priv->root_dentry);
}
static int icnss_get_vbatt_info(struct icnss_priv *priv)
{
struct qpnp_adc_tm_chip *adc_tm_dev = NULL;
struct qpnp_vadc_chip *vadc_dev = NULL;
int ret = 0;
if (test_bit(VBATT_DISABLE, &quirks)) {
icnss_pr_dbg("VBATT feature is disabled\n");
return ret;
}
adc_tm_dev = qpnp_get_adc_tm(&priv->pdev->dev, "icnss");
if (PTR_ERR(adc_tm_dev) == -EPROBE_DEFER) {
icnss_pr_err("adc_tm_dev probe defer\n");
return -EPROBE_DEFER;
}
if (IS_ERR(adc_tm_dev)) {
ret = PTR_ERR(adc_tm_dev);
icnss_pr_err("Not able to get ADC dev, VBATT monitoring is disabled: %d\n",
ret);
return ret;
}
vadc_dev = qpnp_get_vadc(&priv->pdev->dev, "icnss");
if (PTR_ERR(vadc_dev) == -EPROBE_DEFER) {
icnss_pr_err("vadc_dev probe defer\n");
return -EPROBE_DEFER;
}
if (IS_ERR(vadc_dev)) {
ret = PTR_ERR(vadc_dev);
icnss_pr_err("Not able to get VADC dev, VBATT monitoring is disabled: %d\n",
ret);
return ret;
}
priv->adc_tm_dev = adc_tm_dev;
priv->vadc_dev = vadc_dev;
return 0;
}
static int icnss_probe(struct platform_device *pdev)
{
int ret = 0;
struct resource *res;
int i;
struct device *dev = &pdev->dev;
struct icnss_priv *priv;
const __be32 *addrp;
u64 prop_size = 0;
struct device_node *np;
if (penv) {
icnss_pr_err("Driver is already initialized\n");
return -EEXIST;
}
icnss_pr_dbg("Platform driver probe\n");
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->magic = ICNSS_MAGIC;
dev_set_drvdata(dev, priv);
priv->pdev = pdev;
ret = icnss_get_vbatt_info(priv);
if (ret == -EPROBE_DEFER)
goto out;
memcpy(priv->vreg_info, icnss_vreg_info, sizeof(icnss_vreg_info));
for (i = 0; i < ICNSS_VREG_INFO_SIZE; i++) {
ret = icnss_get_vreg_info(dev, &priv->vreg_info[i]);
if (ret)
goto out;
}
memcpy(priv->clk_info, icnss_clk_info, sizeof(icnss_clk_info));
for (i = 0; i < ICNSS_CLK_INFO_SIZE; i++) {
ret = icnss_get_clk_info(dev, &priv->clk_info[i]);
if (ret)
goto out;
}
if (of_property_read_bool(pdev->dev.of_node, "qcom,smmu-s1-bypass"))
priv->bypass_s1_smmu = true;
icnss_pr_dbg("SMMU S1 BYPASS = %d\n", priv->bypass_s1_smmu);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "membase");
if (!res) {
icnss_pr_err("Memory base not found in DT\n");
ret = -EINVAL;
goto out;
}
priv->mem_base_pa = res->start;
priv->mem_base_va = devm_ioremap(dev, priv->mem_base_pa,
resource_size(res));
if (!priv->mem_base_va) {
icnss_pr_err("Memory base ioremap failed: phy addr: %pa\n",
&priv->mem_base_pa);
ret = -EINVAL;
goto out;
}
icnss_pr_dbg("MEM_BASE pa: %pa, va: 0x%p\n", &priv->mem_base_pa,
priv->mem_base_va);
for (i = 0; i < ICNSS_MAX_IRQ_REGISTRATIONS; i++) {
res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, i);
if (!res) {
icnss_pr_err("Fail to get IRQ-%d\n", i);
ret = -ENODEV;
goto out;
} else {
priv->ce_irqs[i] = res->start;
}
}
np = of_parse_phandle(dev->of_node,
"qcom,wlan-msa-fixed-region", 0);
if (np) {
addrp = of_get_address(np, 0, &prop_size, NULL);
if (!addrp) {
icnss_pr_err("Failed to get assigned-addresses or property\n");
ret = -EINVAL;
goto out;
}
priv->msa_pa = of_translate_address(np, addrp);
if (priv->msa_pa == OF_BAD_ADDR) {
icnss_pr_err("Failed to translate MSA PA from device-tree\n");
ret = -EINVAL;
goto out;
}
priv->msa_va = memremap(priv->msa_pa,
(unsigned long)prop_size, MEMREMAP_WT);
if (!priv->msa_va) {
icnss_pr_err("MSA PA ioremap failed: phy addr: %pa\n",
&priv->msa_pa);
ret = -EINVAL;
goto out;
}
priv->msa_mem_size = prop_size;
} else {
ret = of_property_read_u32(dev->of_node, "qcom,wlan-msa-memory",
&priv->msa_mem_size);
if (ret || priv->msa_mem_size == 0) {
icnss_pr_err("Fail to get MSA Memory Size: %u ret: %d\n",
priv->msa_mem_size, ret);
goto out;
}
priv->msa_va = dmam_alloc_coherent(&pdev->dev,
priv->msa_mem_size, &priv->msa_pa, GFP_KERNEL);
if (!priv->msa_va) {
icnss_pr_err("DMA alloc failed for MSA\n");
ret = -ENOMEM;
goto out;
}
}
icnss_pr_dbg("MSA pa: %pa, MSA va: 0x%p MSA Memory Size: 0x%x\n",
&priv->msa_pa, (void *)priv->msa_va, priv->msa_mem_size);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"smmu_iova_base");
if (!res) {
icnss_pr_err("SMMU IOVA base not found\n");
} else {
priv->smmu_iova_start = res->start;
priv->smmu_iova_len = resource_size(res);
icnss_pr_dbg("SMMU IOVA start: %pa, len: %zu\n",
&priv->smmu_iova_start, priv->smmu_iova_len);
res = platform_get_resource_byname(pdev,
IORESOURCE_MEM,
"smmu_iova_ipa");
if (!res) {
icnss_pr_err("SMMU IOVA IPA not found\n");
} else {
priv->smmu_iova_ipa_start = res->start;
priv->smmu_iova_ipa_len = resource_size(res);
icnss_pr_dbg("SMMU IOVA IPA start: %pa, len: %zu\n",
&priv->smmu_iova_ipa_start,
priv->smmu_iova_ipa_len);
}
ret = icnss_smmu_init(priv);
if (ret < 0) {
icnss_pr_err("SMMU init failed, err = %d, start: %pad, len: %zx\n",
ret, &priv->smmu_iova_start,
priv->smmu_iova_len);
goto out;
}
}
spin_lock_init(&priv->event_lock);
spin_lock_init(&priv->on_off_lock);
mutex_init(&priv->dev_lock);
priv->event_wq = alloc_workqueue("icnss_driver_event", WQ_UNBOUND, 1);
if (!priv->event_wq) {
icnss_pr_err("Workqueue creation failed\n");
ret = -EFAULT;
goto out_smmu_deinit;
}
INIT_WORK(&priv->event_work, icnss_driver_event_work);
INIT_WORK(&priv->qmi_recv_msg_work, icnss_qmi_wlfw_clnt_notify_work);
INIT_LIST_HEAD(&priv->event_list);
ret = qmi_svc_event_notifier_register(WLFW_SERVICE_ID_V01,
WLFW_SERVICE_VERS_V01,
WLFW_SERVICE_INS_ID_V01,
&wlfw_clnt_nb);
if (ret < 0) {
icnss_pr_err("Notifier register failed: %d\n", ret);
goto out_destroy_wq;
}
icnss_enable_recovery(priv);
icnss_debugfs_create(priv);
ret = device_init_wakeup(&priv->pdev->dev, true);
if (ret)
icnss_pr_err("Failed to init platform device wakeup source, err = %d\n",
ret);
penv = priv;
icnss_pr_info("Platform driver probed successfully\n");
return 0;
out_destroy_wq:
destroy_workqueue(priv->event_wq);
out_smmu_deinit:
icnss_smmu_deinit(priv);
out:
dev_set_drvdata(dev, NULL);
return ret;
}
static int icnss_remove(struct platform_device *pdev)
{
icnss_pr_info("Removing driver: state: 0x%lx\n", penv->state);
device_init_wakeup(&penv->pdev->dev, false);
icnss_debugfs_destroy(penv);
icnss_modem_ssr_unregister_notifier(penv);
destroy_ramdump_device(penv->msa0_dump_dev);
icnss_pdr_unregister_notifier(penv);
qmi_svc_event_notifier_unregister(WLFW_SERVICE_ID_V01,
WLFW_SERVICE_VERS_V01,
WLFW_SERVICE_INS_ID_V01,
&wlfw_clnt_nb);
if (penv->event_wq)
destroy_workqueue(penv->event_wq);
icnss_hw_power_off(penv);
icnss_assign_msa_perm_all(penv, ICNSS_MSA_PERM_HLOS_ALL);
clear_bit(ICNSS_MSA0_ASSIGNED, &penv->state);
dev_set_drvdata(&pdev->dev, NULL);
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int icnss_pm_suspend(struct device *dev)
{
struct icnss_priv *priv = dev_get_drvdata(dev);
int ret = 0;
if (priv->magic != ICNSS_MAGIC) {
icnss_pr_err("Invalid drvdata for pm suspend: dev %p, data %p, magic 0x%x\n",
dev, priv, priv->magic);
return -EINVAL;
}
icnss_pr_vdbg("PM Suspend, state: 0x%lx\n", priv->state);
if (!priv->ops || !priv->ops->pm_suspend ||
!test_bit(ICNSS_DRIVER_PROBED, &priv->state))
goto out;
ret = priv->ops->pm_suspend(dev);
out:
if (ret == 0) {
priv->stats.pm_suspend++;
set_bit(ICNSS_PM_SUSPEND, &priv->state);
} else {
priv->stats.pm_suspend_err++;
}
return ret;
}
static int icnss_pm_resume(struct device *dev)
{
struct icnss_priv *priv = dev_get_drvdata(dev);
int ret = 0;
if (priv->magic != ICNSS_MAGIC) {
icnss_pr_err("Invalid drvdata for pm resume: dev %p, data %p, magic 0x%x\n",
dev, priv, priv->magic);
return -EINVAL;
}
icnss_pr_vdbg("PM resume, state: 0x%lx\n", priv->state);
if (!priv->ops || !priv->ops->pm_resume ||
!test_bit(ICNSS_DRIVER_PROBED, &priv->state))
goto out;
ret = priv->ops->pm_resume(dev);
out:
if (ret == 0) {
priv->stats.pm_resume++;
clear_bit(ICNSS_PM_SUSPEND, &priv->state);
} else {
priv->stats.pm_resume_err++;
}
return ret;
}
static int icnss_pm_suspend_noirq(struct device *dev)
{
struct icnss_priv *priv = dev_get_drvdata(dev);
int ret = 0;
if (priv->magic != ICNSS_MAGIC) {
icnss_pr_err("Invalid drvdata for pm suspend_noirq: dev %p, data %p, magic 0x%x\n",
dev, priv, priv->magic);
return -EINVAL;
}
icnss_pr_vdbg("PM suspend_noirq, state: 0x%lx\n", priv->state);
if (!priv->ops || !priv->ops->suspend_noirq ||
!test_bit(ICNSS_DRIVER_PROBED, &priv->state))
goto out;
ret = priv->ops->suspend_noirq(dev);
out:
if (ret == 0) {
priv->stats.pm_suspend_noirq++;
set_bit(ICNSS_PM_SUSPEND_NOIRQ, &priv->state);
} else {
priv->stats.pm_suspend_noirq_err++;
}
return ret;
}
static int icnss_pm_resume_noirq(struct device *dev)
{
struct icnss_priv *priv = dev_get_drvdata(dev);
int ret = 0;
if (priv->magic != ICNSS_MAGIC) {
icnss_pr_err("Invalid drvdata for pm resume_noirq: dev %p, data %p, magic 0x%x\n",
dev, priv, priv->magic);
return -EINVAL;
}
icnss_pr_vdbg("PM resume_noirq, state: 0x%lx\n", priv->state);
if (!priv->ops || !priv->ops->resume_noirq ||
!test_bit(ICNSS_DRIVER_PROBED, &priv->state))
goto out;
ret = priv->ops->resume_noirq(dev);
out:
if (ret == 0) {
priv->stats.pm_resume_noirq++;
clear_bit(ICNSS_PM_SUSPEND_NOIRQ, &priv->state);
} else {
priv->stats.pm_resume_noirq_err++;
}
return ret;
}
#endif
static const struct dev_pm_ops icnss_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(icnss_pm_suspend,
icnss_pm_resume)
SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(icnss_pm_suspend_noirq,
icnss_pm_resume_noirq)
};
static const struct of_device_id icnss_dt_match[] = {
{.compatible = "qcom,icnss"},
{}
};
MODULE_DEVICE_TABLE(of, icnss_dt_match);
static struct platform_driver icnss_driver = {
.probe = icnss_probe,
.remove = icnss_remove,
.driver = {
.name = "icnss",
.pm = &icnss_pm_ops,
.owner = THIS_MODULE,
.of_match_table = icnss_dt_match,
},
};
static int __init icnss_initialize(void)
{
icnss_ipc_log_context = ipc_log_context_create(NUM_LOG_PAGES,
"icnss", 0);
if (!icnss_ipc_log_context)
icnss_pr_err("Unable to create log context\n");
icnss_ipc_log_long_context = ipc_log_context_create(NUM_LOG_LONG_PAGES,
"icnss_long", 0);
if (!icnss_ipc_log_long_context)
icnss_pr_err("Unable to create log long context\n");
return platform_driver_register(&icnss_driver);
}
static void __exit icnss_exit(void)
{
platform_driver_unregister(&icnss_driver);
ipc_log_context_destroy(icnss_ipc_log_context);
icnss_ipc_log_context = NULL;
ipc_log_context_destroy(icnss_ipc_log_long_context);
icnss_ipc_log_long_context = NULL;
}
module_init(icnss_initialize);
module_exit(icnss_exit);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION(DEVICE "iCNSS CORE platform driver");