/* 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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_MAX_PROBE_CNT 2 #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 #define QMI_ERR_PLAT_CCPM_CLK_INIT_FAILED 0x77 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; struct mutex dev_lock; u8 cause_for_rejuvenation; u8 requesting_sub_system; u16 line_number; char function_name[QMI_WLFW_FUNCTION_NAME_LEN_V01 + 1]; } *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] = {0}; u32 source_nelems; u32 dest_vmids[ICNSS_MAX_VMIDS] = {0}; u32 dest_perms[ICNSS_MAX_VMIDS] = {0}; 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; if (resp.resp.error == QMI_ERR_PLAT_CCPM_CLK_INIT_FAILED) icnss_pr_err("RF card Not present"); 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 = 0; int probe_cnt = 0; 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); while (probe_cnt < ICNSS_MAX_PROBE_CNT) { ret = priv->ops->probe(&priv->pdev->dev); probe_cnt++; if (ret != -EPROBE_DEFER) break; } if (ret < 0) { icnss_pr_err("Driver probe failed: %d, state: 0x%lx, probe_cnt: %d\n", ret, priv->state, probe_cnt); 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; int probe_cnt = 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; while (probe_cnt < ICNSS_MAX_PROBE_CNT) { ret = penv->ops->probe(&penv->pdev->dev); probe_cnt++; if (ret != -EPROBE_DEFER) break; } if (ret) { icnss_pr_err("Driver probe failed: %d, state: 0x%lx, probe_cnt: %d\n", ret, penv->state, probe_cnt); 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) && event_data->crashed) { 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)) { set_bit(ICNSS_FW_DOWN, &priv->state); icnss_ignore_qmi_timeout(true); fw_down_data.crashed = !!notif->crashed; if (test_bit(ICNSS_FW_READY, &priv->state)) icnss_call_driver_uevent(priv, ICNSS_UEVENT_FW_DOWN, &fw_down_data); 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: if (!test_bit(ICNSS_FW_DOWN, &priv->state)) { set_bit(ICNSS_FW_DOWN, &priv->state); icnss_ignore_qmi_timeout(true); fw_down_data.crashed = event_data->crashed; if (test_bit(ICNSS_FW_READY, &priv->state)) icnss_call_driver_uevent(priv, ICNSS_UEVENT_FW_DOWN, &fw_down_data); } clear_bit(ICNSS_HOST_TRIGGERED_PDR, &priv->state); 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 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_ATOMIC, &atomic_ctx); if (ret < 0) { icnss_pr_err("Set atomic_ctx attribute failed, err = %d\n", ret); goto set_attr_fail; } } 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; } 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 > /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 > /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, ®_offset)) return -EINVAL; token = strsep(&sptr, delim); if (!token) return -EINVAL; if (kstrtou32(token, 0, ®_val)) return -EINVAL; ret = wlfw_athdiag_write_send_sync_msg(priv, reg_offset, mem_type, sizeof(uint32_t), (uint8_t *)®_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 > /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, ®_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");