diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210')
-rw-r--r-- | drivers/net/wireless/ath/wil6210/boot_loader.h | 9 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/cfg80211.c | 85 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/debugfs.c | 151 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/ethtool.c | 15 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/fw.h | 18 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/fw_inc.c | 234 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/interrupt.c | 30 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/main.c | 304 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/netdev.c | 20 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/pcie_bus.c | 192 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/pm.c | 121 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/pmc.c | 11 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx.c | 14 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/wil6210.h | 112 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/wil_crash_dump.c | 11 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/wil_platform.h | 15 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/wmi.c | 635 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/wmi.h | 117 |
18 files changed, 1804 insertions, 290 deletions
diff --git a/drivers/net/wireless/ath/wil6210/boot_loader.h b/drivers/net/wireless/ath/wil6210/boot_loader.h index c131b5e1292f..d32c1f4e533a 100644 --- a/drivers/net/wireless/ath/wil6210/boot_loader.h +++ b/drivers/net/wireless/ath/wil6210/boot_loader.h @@ -1,4 +1,5 @@ /* Copyright (c) 2015 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -39,7 +40,8 @@ struct bl_dedicated_registers_v1 { /* valid only for version 2 and above */ __le32 bl_assert_code; /* 0x880A58 BL Assert code */ __le32 bl_assert_blink; /* 0x880A5C BL Assert Branch */ - __le32 bl_reserved[22]; /* 0x880A60 - 0x880AB4 */ + __le32 bl_shutdown_handshake; /* 0x880A60 BL cleaner shutdown */ + __le32 bl_reserved[21]; /* 0x880A64 - 0x880AB4 */ __le32 bl_magic_number; /* 0x880AB8 BL Magic number */ } __packed; @@ -58,4 +60,9 @@ struct bl_dedicated_registers_v0 { u8 mac_address[6]; /* 0x880A4c BL mac address */ } __packed; +/* bits for bl_shutdown_handshake */ +#define BL_SHUTDOWN_HS_GRTD BIT(0) +#define BL_SHUTDOWN_HS_RTD BIT(1) +#define BL_SHUTDOWN_HS_PROT_VER(x) WIL_GET_BITS(x, 28, 31) + #endif /* BOOT_LOADER_EXPORT_H_ */ diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 85d5c04618eb..768f63f38341 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -901,7 +901,7 @@ int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, u64 *cookie) { const u8 *buf = params->buf; - size_t len = params->len; + size_t len = params->len, total; struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; bool tx_status = false; @@ -926,7 +926,11 @@ int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, if (len < sizeof(struct ieee80211_hdr_3addr)) return -EINVAL; - cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL); + total = sizeof(*cmd) + len; + if (total < len) + return -EINVAL; + + cmd = kmalloc(total, GFP_KERNEL); if (!cmd) { rc = -ENOMEM; goto out; @@ -936,7 +940,7 @@ int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, cmd->len = cpu_to_le16(len); memcpy(cmd->payload, buf, len); - rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len, + rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, total, WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); if (rc == 0) tx_status = !evt.evt.status; @@ -952,9 +956,8 @@ static int wil_cfg80211_set_channel(struct wiphy *wiphy, struct cfg80211_chan_def *chandef) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); - struct wireless_dev *wdev = wil_to_wdev(wil); - wdev->preset_chandef = *chandef; + wil->monitor_chandef = *chandef; return 0; } @@ -1727,9 +1730,12 @@ static int wil_cfg80211_suspend(struct wiphy *wiphy, wil_dbg_pm(wil, "suspending\n"); - wil_p2p_stop_discovery(wil); - + mutex_lock(&wil->mutex); + mutex_lock(&wil->p2p_wdev_mutex); + wil_p2p_stop_radio_operations(wil); wil_abort_scan(wil, true); + mutex_unlock(&wil->p2p_wdev_mutex); + mutex_unlock(&wil->mutex); out: return rc; @@ -1744,6 +1750,69 @@ static int wil_cfg80211_resume(struct wiphy *wiphy) return 0; } +static int +wil_cfg80211_sched_scan_start(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_sched_scan_request *request) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int i, rc; + + wil_dbg_misc(wil, + "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n", + request->n_ssids, request->ie_len, request->flags); + for (i = 0; i < request->n_ssids; i++) { + wil_dbg_misc(wil, "SSID[%d]:", i); + wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, + request->ssids[i].ssid, + request->ssids[i].ssid_len, true); + } + wil_dbg_misc(wil, "channels:"); + for (i = 0; i < request->n_channels; i++) + wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value, + i == request->n_channels - 1 ? "\n" : ""); + wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n", + request->n_match_sets, request->min_rssi_thold, + request->delay); + for (i = 0; i < request->n_match_sets; i++) { + struct cfg80211_match_set *ms = &request->match_sets[i]; + + wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n", + i, ms->rssi_thold); + wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, + ms->ssid.ssid, + ms->ssid.ssid_len, true); + } + wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans); + for (i = 0; i < request->n_scan_plans; i++) { + struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i]; + + wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n", + i, sp->interval, sp->iterations); + } + + rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie); + if (rc) + return rc; + return wmi_start_sched_scan(wil, request); +} + +static int +wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, + u64 reqid) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + + rc = wmi_stop_sched_scan(wil); + /* device would return error if it thinks PNO is already stopped. + * ignore the return code so user space and driver gets back in-sync + */ + wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc); + + return 0; +} + static const struct cfg80211_ops wil_cfg80211_ops = { .add_virtual_intf = wil_cfg80211_add_iface, .del_virtual_intf = wil_cfg80211_del_iface, @@ -1777,6 +1846,8 @@ static const struct cfg80211_ops wil_cfg80211_ops = { .set_power_mgmt = wil_cfg80211_set_power_mgmt, .suspend = wil_cfg80211_suspend, .resume = wil_cfg80211_resume, + .sched_scan_start = wil_cfg80211_sched_scan_start, + .sched_scan_stop = wil_cfg80211_sched_scan_stop, }; static void wil_wiphy_init(struct wiphy *wiphy) diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index e58dc6dc1f9c..4a4888246e8c 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -242,12 +242,19 @@ static void wil_print_ring(struct seq_file *s, const char *prefix, static int wil_mbox_debugfs_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; + int ret; + + ret = wil_pm_runtime_get(wil); + if (ret < 0) + return ret; wil_print_ring(s, "tx", wil->csr + HOST_MBOX + offsetof(struct wil6210_mbox_ctl, tx)); wil_print_ring(s, "rx", wil->csr + HOST_MBOX + offsetof(struct wil6210_mbox_ctl, rx)); + wil_pm_runtime_put(wil); + return 0; } @@ -265,15 +272,37 @@ static const struct file_operations fops_mbox = { static int wil_debugfs_iomem_x32_set(void *data, u64 val) { - writel(val, (void __iomem *)data); + struct wil_debugfs_iomem_data *d = (struct + wil_debugfs_iomem_data *)data; + struct wil6210_priv *wil = d->wil; + int ret; + + ret = wil_pm_runtime_get(wil); + if (ret < 0) + return ret; + + writel(val, (void __iomem *)d->offset); wmb(); /* make sure write propagated to HW */ + wil_pm_runtime_put(wil); + return 0; } static int wil_debugfs_iomem_x32_get(void *data, u64 *val) { - *val = readl((void __iomem *)data); + struct wil_debugfs_iomem_data *d = (struct + wil_debugfs_iomem_data *)data; + struct wil6210_priv *wil = d->wil; + int ret; + + ret = wil_pm_runtime_get(wil); + if (ret < 0) + return ret; + + *val = readl((void __iomem *)d->offset); + + wil_pm_runtime_put(wil); return 0; } @@ -284,10 +313,21 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get, static struct dentry *wil_debugfs_create_iomem_x32(const char *name, umode_t mode, struct dentry *parent, - void *value) + void *value, + struct wil6210_priv *wil) { - return debugfs_create_file(name, mode, parent, value, - &fops_iomem_x32); + struct dentry *file; + struct wil_debugfs_iomem_data *data = &wil->dbg_data.data_arr[ + wil->dbg_data.iomem_data_count]; + + data->wil = wil; + data->offset = value; + + file = debugfs_create_file(name, mode, parent, data, &fops_iomem_x32); + if (!IS_ERR_OR_NULL(file)) + wil->dbg_data.iomem_data_count++; + + return file; } static int wil_debugfs_ulong_set(void *data, u64 val) @@ -346,7 +386,8 @@ static void wil6210_debugfs_init_offset(struct wil6210_priv *wil, case doff_io32: f = wil_debugfs_create_iomem_x32(tbl[i].name, tbl[i].mode, dbg, - base + tbl[i].off); + base + tbl[i].off, + wil); break; case doff_u8: f = debugfs_create_u8(tbl[i].name, tbl[i].mode, dbg, @@ -475,13 +516,22 @@ static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil, static int wil_memread_debugfs_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; - void __iomem *a = wmi_buffer(wil, cpu_to_le32(mem_addr)); + void __iomem *a; + int ret; + + ret = wil_pm_runtime_get(wil); + if (ret < 0) + return ret; + + a = wmi_buffer(wil, cpu_to_le32(mem_addr)); if (a) seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, readl(a)); else seq_printf(s, "[0x%08x] = INVALID\n", mem_addr); + wil_pm_runtime_put(wil); + return 0; } @@ -502,10 +552,12 @@ static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf, { enum { max_count = 4096 }; struct wil_blob_wrapper *wil_blob = file->private_data; + struct wil6210_priv *wil = wil_blob->wil; loff_t pos = *ppos; size_t available = wil_blob->blob.size; void *buf; size_t ret; + int rc; if (test_bit(wil_status_suspending, wil_blob->wil->status) || test_bit(wil_status_suspended, wil_blob->wil->status)) @@ -526,10 +578,19 @@ static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf, if (!buf) return -ENOMEM; + rc = wil_pm_runtime_get(wil); + if (rc < 0) { + kfree(buf); + return rc; + } + wil_memcpy_fromio_32(buf, (const void __iomem *) wil_blob->blob.data + pos, count); ret = copy_to_user(user_buf, buf, count); + + wil_pm_runtime_put(wil); + kfree(buf); if (ret == count) return -EFAULT; @@ -808,7 +869,6 @@ static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf, params.buf = frame; params.len = len; - params.chan = wdev->preset_chandef.chan; rc = wil_cfg80211_mgmt_tx(wiphy, wdev, ¶ms, NULL); @@ -1571,8 +1631,6 @@ static ssize_t wil_write_suspend_stats(struct file *file, struct wil6210_priv *wil = file->private_data; memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats)); - wil->suspend_stats.min_suspend_time = ULONG_MAX; - wil->suspend_stats.collection_start = ktime_get(); return len; } @@ -1582,33 +1640,41 @@ static ssize_t wil_read_suspend_stats(struct file *file, size_t count, loff_t *ppos) { struct wil6210_priv *wil = file->private_data; - static char text[400]; - int n; - unsigned long long stats_collection_time = - ktime_to_us(ktime_sub(ktime_get(), - wil->suspend_stats.collection_start)); + char *text; + int n, ret, text_size = 500; - n = snprintf(text, sizeof(text), - "Suspend statistics:\n" + text = kmalloc(text_size, GFP_KERNEL); + if (!text) + return -ENOMEM; + + n = snprintf(text, text_size, + "Radio on suspend statistics:\n" + "successful suspends:%ld failed suspends:%ld\n" + "successful resumes:%ld failed resumes:%ld\n" + "rejected by device:%ld\n" + "Radio off suspend statistics:\n" "successful suspends:%ld failed suspends:%ld\n" "successful resumes:%ld failed resumes:%ld\n" - "rejected by host:%ld rejected by device:%ld\n" - "total suspend time:%lld min suspend time:%lld\n" - "max suspend time:%lld stats collection time: %lld\n", - wil->suspend_stats.successful_suspends, - wil->suspend_stats.failed_suspends, - wil->suspend_stats.successful_resumes, - wil->suspend_stats.failed_resumes, - wil->suspend_stats.rejected_by_host, + "General statistics:\n" + "rejected by host:%ld\n", + wil->suspend_stats.r_on.successful_suspends, + wil->suspend_stats.r_on.failed_suspends, + wil->suspend_stats.r_on.successful_resumes, + wil->suspend_stats.r_on.failed_resumes, wil->suspend_stats.rejected_by_device, - wil->suspend_stats.total_suspend_time, - wil->suspend_stats.min_suspend_time, - wil->suspend_stats.max_suspend_time, - stats_collection_time); + wil->suspend_stats.r_off.successful_suspends, + wil->suspend_stats.r_off.failed_suspends, + wil->suspend_stats.r_off.successful_resumes, + wil->suspend_stats.r_off.failed_resumes, + wil->suspend_stats.rejected_by_host); + + n = min_t(int, n, text_size); - n = min_t(int, n, sizeof(text)); + ret = simple_read_from_buffer(user_buf, count, ppos, text, n); - return simple_read_from_buffer(user_buf, count, ppos, text, n); + kfree(text); + + return ret; } static const struct file_operations fops_suspend_stats = { @@ -1736,14 +1802,31 @@ static const struct dbg_off dbg_statics[] = { {}, }; +static const int dbg_off_count = 4 * (ARRAY_SIZE(isr_off) - 1) + + ARRAY_SIZE(dbg_wil_regs) - 1 + + ARRAY_SIZE(pseudo_isr_off) - 1 + + ARRAY_SIZE(lgc_itr_cnt_off) - 1 + + ARRAY_SIZE(tx_itr_cnt_off) - 1 + + ARRAY_SIZE(rx_itr_cnt_off) - 1; + int wil6210_debugfs_init(struct wil6210_priv *wil) { struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME, wil_to_wiphy(wil)->debugfsdir); - if (IS_ERR_OR_NULL(dbg)) return -ENODEV; + wil->dbg_data.data_arr = kcalloc(dbg_off_count, + sizeof(struct wil_debugfs_iomem_data), + GFP_KERNEL); + if (!wil->dbg_data.data_arr) { + debugfs_remove_recursive(dbg); + wil->debug = NULL; + return -ENOMEM; + } + + wil->dbg_data.iomem_data_count = 0; + wil_pmc_init(wil); wil6210_debugfs_init_files(wil, dbg); @@ -1758,8 +1841,6 @@ int wil6210_debugfs_init(struct wil6210_priv *wil) wil6210_debugfs_create_ITR_CNT(wil, dbg); - wil->suspend_stats.collection_start = ktime_get(); - return 0; } @@ -1768,6 +1849,8 @@ void wil6210_debugfs_remove(struct wil6210_priv *wil) debugfs_remove_recursive(wil->debug); wil->debug = NULL; + kfree(wil->dbg_data.data_arr); + /* free pmc memory without sending command to fw, as it will * be reset on the way down anyway */ diff --git a/drivers/net/wireless/ath/wil6210/ethtool.c b/drivers/net/wireless/ath/wil6210/ethtool.c index adcfef4dabf7..66200f616a37 100644 --- a/drivers/net/wireless/ath/wil6210/ethtool.c +++ b/drivers/net/wireless/ath/wil6210/ethtool.c @@ -47,9 +47,14 @@ static int wil_ethtoolops_get_coalesce(struct net_device *ndev, struct wil6210_priv *wil = ndev_to_wil(ndev); u32 tx_itr_en, tx_itr_val = 0; u32 rx_itr_en, rx_itr_val = 0; + int ret; wil_dbg_misc(wil, "ethtoolops_get_coalesce\n"); + ret = wil_pm_runtime_get(wil); + if (ret < 0) + return ret; + tx_itr_en = wil_r(wil, RGF_DMA_ITR_TX_CNT_CTL); if (tx_itr_en & BIT_DMA_ITR_TX_CNT_CTL_EN) tx_itr_val = wil_r(wil, RGF_DMA_ITR_TX_CNT_TRSH); @@ -58,6 +63,8 @@ static int wil_ethtoolops_get_coalesce(struct net_device *ndev, if (rx_itr_en & BIT_DMA_ITR_RX_CNT_CTL_EN) rx_itr_val = wil_r(wil, RGF_DMA_ITR_RX_CNT_TRSH); + wil_pm_runtime_put(wil); + cp->tx_coalesce_usecs = tx_itr_val; cp->rx_coalesce_usecs = rx_itr_val; return 0; @@ -67,6 +74,7 @@ static int wil_ethtoolops_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *cp) { struct wil6210_priv *wil = ndev_to_wil(ndev); + int ret; wil_dbg_misc(wil, "ethtoolops_set_coalesce: rx %d usec, tx %d usec\n", cp->rx_coalesce_usecs, cp->tx_coalesce_usecs); @@ -86,8 +94,15 @@ static int wil_ethtoolops_set_coalesce(struct net_device *ndev, wil->tx_max_burst_duration = cp->tx_coalesce_usecs; wil->rx_max_burst_duration = cp->rx_coalesce_usecs; + + ret = wil_pm_runtime_get(wil); + if (ret < 0) + return ret; + wil_configure_interrupt_moderation(wil); + wil_pm_runtime_put(wil); + return 0; out_bad: diff --git a/drivers/net/wireless/ath/wil6210/fw.h b/drivers/net/wireless/ath/wil6210/fw.h index 2f2b910501ba..2c7b24f61587 100644 --- a/drivers/net/wireless/ath/wil6210/fw.h +++ b/drivers/net/wireless/ath/wil6210/fw.h @@ -1,5 +1,6 @@ /* * Copyright (c) 2014,2016 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -58,15 +59,30 @@ struct wil_fw_record_comment { /* type == wil_fw_type_comment */ u8 data[0]; /* free-form data [data_size], see above */ } __packed; +/* Comment header - common for all comment record types */ +struct wil_fw_record_comment_hdr { + __le32 magic; +}; + /* FW capabilities encoded inside a comment record */ #define WIL_FW_CAPABILITIES_MAGIC (0xabcddcba) struct wil_fw_record_capabilities { /* type == wil_fw_type_comment */ /* identifies capabilities record */ - __le32 magic; + struct wil_fw_record_comment_hdr hdr; /* capabilities (variable size), see enum wmi_fw_capability */ u8 capabilities[0]; }; +/* brd file info encoded inside a comment record */ +#define WIL_BRD_FILE_MAGIC (0xabcddcbb) +struct wil_fw_record_brd_file { /* type == wil_fw_type_comment */ + /* identifies brd file record */ + struct wil_fw_record_comment_hdr hdr; + __le32 version; + __le32 base_addr; + __le32 max_size_bytes; +} __packed; + /* perform action * data_size = @head.size - offsetof(struct wil_fw_record_action, data) */ diff --git a/drivers/net/wireless/ath/wil6210/fw_inc.c b/drivers/net/wireless/ath/wil6210/fw_inc.c index e01acac88825..914c0106e94b 100644 --- a/drivers/net/wireless/ath/wil6210/fw_inc.c +++ b/drivers/net/wireless/ath/wil6210/fw_inc.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2014-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -26,14 +27,17 @@ prefix_type, rowsize, \ groupsize, buf, len, ascii) -#define FW_ADDR_CHECK(ioaddr, val, msg) do { \ - ioaddr = wmi_buffer(wil, val); \ - if (!ioaddr) { \ - wil_err_fw(wil, "bad " msg ": 0x%08x\n", \ - le32_to_cpu(val)); \ - return -EINVAL; \ - } \ - } while (0) +static bool wil_fw_addr_check(struct wil6210_priv *wil, + void __iomem **ioaddr, __le32 val, + u32 size, const char *msg) +{ + *ioaddr = wmi_buffer_block(wil, val, size); + if (!(*ioaddr)) { + wil_err_fw(wil, "bad %s: 0x%08x\n", msg, le32_to_cpu(val)); + return false; + } + return true; +} /** * wil_fw_verify - verify firmware file validity @@ -124,14 +128,6 @@ static int fw_ignore_section(struct wil6210_priv *wil, const void *data, return 0; } -static int fw_handle_comment(struct wil6210_priv *wil, const void *data, - size_t size) -{ - wil_hex_dump_fw("", DUMP_PREFIX_OFFSET, 16, 1, data, size, true); - - return 0; -} - static int fw_handle_capabilities(struct wil6210_priv *wil, const void *data, size_t size) @@ -139,9 +135,11 @@ fw_handle_capabilities(struct wil6210_priv *wil, const void *data, const struct wil_fw_record_capabilities *rec = data; size_t capa_size; - if (size < sizeof(*rec) || - le32_to_cpu(rec->magic) != WIL_FW_CAPABILITIES_MAGIC) + if (size < sizeof(*rec)) { + wil_hex_dump_fw("", DUMP_PREFIX_OFFSET, 16, 1, + data, size, true); return 0; + } capa_size = size - offsetof(struct wil_fw_record_capabilities, capabilities); @@ -153,8 +151,56 @@ fw_handle_capabilities(struct wil6210_priv *wil, const void *data, return 0; } -static int fw_handle_data(struct wil6210_priv *wil, const void *data, - size_t size) +static int +fw_handle_brd_file(struct wil6210_priv *wil, const void *data, + size_t size) +{ + const struct wil_fw_record_brd_file *rec = data; + + if (size < sizeof(*rec)) { + wil_hex_dump_fw("", DUMP_PREFIX_OFFSET, 16, 1, + data, size, true); + return 0; + } + + wil->brd_file_addr = le32_to_cpu(rec->base_addr); + wil->brd_file_max_size = le32_to_cpu(rec->max_size_bytes); + + wil_dbg_fw(wil, "brd_file_addr 0x%x, brd_file_max_size %d\n", + wil->brd_file_addr, wil->brd_file_max_size); + + return 0; +} + +static int +fw_handle_comment(struct wil6210_priv *wil, const void *data, + size_t size) +{ + const struct wil_fw_record_comment_hdr *hdr = data; + u32 magic; + int rc = 0; + + if (size < sizeof(*hdr)) + return 0; + + magic = le32_to_cpu(hdr->magic); + + switch (magic) { + case WIL_FW_CAPABILITIES_MAGIC: + wil_dbg_fw(wil, "magic is WIL_FW_CAPABILITIES_MAGIC\n"); + rc = fw_handle_capabilities(wil, data, size); + break; + case WIL_BRD_FILE_MAGIC: + wil_dbg_fw(wil, "magic is WIL_BRD_FILE_MAGIC\n"); + rc = fw_handle_brd_file(wil, data, size); + break; + } + + return rc; +} + +static int __fw_handle_data(struct wil6210_priv *wil, const void *data, + size_t size, __le32 addr) { const struct wil_fw_record_data *d = data; void __iomem *dst; @@ -165,15 +211,23 @@ static int fw_handle_data(struct wil6210_priv *wil, const void *data, return -EINVAL; } - FW_ADDR_CHECK(dst, d->addr, "address"); - wil_dbg_fw(wil, "write [0x%08x] <== %zu bytes\n", le32_to_cpu(d->addr), - s); + if (!wil_fw_addr_check(wil, &dst, addr, s, "address")) + return -EINVAL; + wil_dbg_fw(wil, "write [0x%08x] <== %zu bytes\n", le32_to_cpu(addr), s); wil_memcpy_toio_32(dst, d->data, s); wmb(); /* finish before processing next record */ return 0; } +static int fw_handle_data(struct wil6210_priv *wil, const void *data, + size_t size) +{ + const struct wil_fw_record_data *d = data; + + return __fw_handle_data(wil, data, size, d->addr); +} + static int fw_handle_fill(struct wil6210_priv *wil, const void *data, size_t size) { @@ -197,7 +251,8 @@ static int fw_handle_fill(struct wil6210_priv *wil, const void *data, return -EINVAL; } - FW_ADDR_CHECK(dst, d->addr, "address"); + if (!wil_fw_addr_check(wil, &dst, d->addr, s, "address")) + return -EINVAL; v = le32_to_cpu(d->value); wil_dbg_fw(wil, "fill [0x%08x] <== 0x%08x, %zu bytes\n", @@ -253,7 +308,8 @@ static int fw_handle_direct_write(struct wil6210_priv *wil, const void *data, u32 v = le32_to_cpu(block[i].value); u32 x, y; - FW_ADDR_CHECK(dst, block[i].addr, "address"); + if (!wil_fw_addr_check(wil, &dst, block[i].addr, 0, "address")) + return -EINVAL; x = readl(dst); y = (x & m) | (v & ~m); @@ -319,10 +375,15 @@ static int fw_handle_gateway_data(struct wil6210_priv *wil, const void *data, wil_dbg_fw(wil, "gw write record [%3d] blocks, cmd 0x%08x\n", n, gw_cmd); - FW_ADDR_CHECK(gwa_addr, d->gateway_addr_addr, "gateway_addr_addr"); - FW_ADDR_CHECK(gwa_val, d->gateway_value_addr, "gateway_value_addr"); - FW_ADDR_CHECK(gwa_cmd, d->gateway_cmd_addr, "gateway_cmd_addr"); - FW_ADDR_CHECK(gwa_ctl, d->gateway_ctrl_address, "gateway_ctrl_address"); + if (!wil_fw_addr_check(wil, &gwa_addr, d->gateway_addr_addr, 0, + "gateway_addr_addr") || + !wil_fw_addr_check(wil, &gwa_val, d->gateway_value_addr, 0, + "gateway_value_addr") || + !wil_fw_addr_check(wil, &gwa_cmd, d->gateway_cmd_addr, 0, + "gateway_cmd_addr") || + !wil_fw_addr_check(wil, &gwa_ctl, d->gateway_ctrl_address, 0, + "gateway_ctrl_address")) + return -EINVAL; wil_dbg_fw(wil, "gw addresses: addr 0x%08x val 0x%08x" " cmd 0x%08x ctl 0x%08x\n", @@ -378,12 +439,19 @@ static int fw_handle_gateway_data4(struct wil6210_priv *wil, const void *data, wil_dbg_fw(wil, "gw4 write record [%3d] blocks, cmd 0x%08x\n", n, gw_cmd); - FW_ADDR_CHECK(gwa_addr, d->gateway_addr_addr, "gateway_addr_addr"); + if (!wil_fw_addr_check(wil, &gwa_addr, d->gateway_addr_addr, 0, + "gateway_addr_addr")) + return -EINVAL; for (k = 0; k < ARRAY_SIZE(block->value); k++) - FW_ADDR_CHECK(gwa_val[k], d->gateway_value_addr[k], - "gateway_value_addr"); - FW_ADDR_CHECK(gwa_cmd, d->gateway_cmd_addr, "gateway_cmd_addr"); - FW_ADDR_CHECK(gwa_ctl, d->gateway_ctrl_address, "gateway_ctrl_address"); + if (!wil_fw_addr_check(wil, &gwa_val[k], + d->gateway_value_addr[k], + 0, "gateway_value_addr")) + return -EINVAL; + if (!wil_fw_addr_check(wil, &gwa_cmd, d->gateway_cmd_addr, 0, + "gateway_cmd_addr") || + !wil_fw_addr_check(wil, &gwa_ctl, d->gateway_ctrl_address, 0, + "gateway_ctrl_address")) + return -EINVAL; wil_dbg_fw(wil, "gw4 addresses: addr 0x%08x cmd 0x%08x ctl 0x%08x\n", le32_to_cpu(d->gateway_addr_addr), @@ -422,7 +490,7 @@ static const struct { int (*parse_handler)(struct wil6210_priv *wil, const void *data, size_t size); } wil_fw_handlers[] = { - {wil_fw_type_comment, fw_handle_comment, fw_handle_capabilities}, + {wil_fw_type_comment, fw_handle_comment, fw_handle_comment}, {wil_fw_type_data, fw_handle_data, fw_ignore_section}, {wil_fw_type_fill, fw_handle_fill, fw_ignore_section}, /* wil_fw_type_action */ @@ -517,7 +585,7 @@ int wil_request_firmware(struct wil6210_priv *wil, const char *name, rc = request_firmware(&fw, name, wil_to_dev(wil)); if (rc) { - wil_err_fw(wil, "Failed to load firmware %s\n", name); + wil_err_fw(wil, "Failed to load firmware %s rc %d\n", name, rc); return rc; } wil_dbg_fw(wil, "Loading <%s>, %zu bytes\n", name, fw->size); @@ -539,6 +607,100 @@ out: } /** + * wil_brd_process - process section from BRD file + * + * Return error code + */ +static int wil_brd_process(struct wil6210_priv *wil, const void *data, + size_t size) +{ + int rc = 0; + const struct wil_fw_record_head *hdr = data; + size_t s, hdr_sz; + u16 type; + + /* Assuming the board file includes only one header record and one data + * record. Each record starts with wil_fw_record_head. + */ + if (size < sizeof(*hdr)) + return -EINVAL; + s = sizeof(*hdr) + le32_to_cpu(hdr->size); + if (s > size) + return -EINVAL; + + /* Skip the header record and handle the data record */ + hdr = (const void *)hdr + s; + size -= s; + if (size < sizeof(*hdr)) + return -EINVAL; + hdr_sz = le32_to_cpu(hdr->size); + + if (wil->brd_file_max_size && hdr_sz > wil->brd_file_max_size) + return -EINVAL; + if (sizeof(*hdr) + hdr_sz > size) + return -EINVAL; + if (hdr_sz % 4) { + wil_err_fw(wil, "unaligned record size: %zu\n", + hdr_sz); + return -EINVAL; + } + type = le16_to_cpu(hdr->type); + if (type != wil_fw_type_data) { + wil_err_fw(wil, "invalid record type for board file: %d\n", + type); + return -EINVAL; + } + if (hdr_sz < sizeof(struct wil_fw_record_data)) { + wil_err_fw(wil, "data record too short: %zu\n", hdr_sz); + return -EINVAL; + } + + wil_dbg_fw(wil, "using addr from fw file: [0x%08x]\n", + wil->brd_file_addr); + + rc = __fw_handle_data(wil, &hdr[1], hdr_sz, + cpu_to_le32(wil->brd_file_addr)); + + return rc; +} + +/** + * wil_request_board - Request board file + * + * Request board image from the file + * board file address and max size are read from FW file + * during initialization. + * brd file shall include one header and one data section. + * + * Return error code + */ +int wil_request_board(struct wil6210_priv *wil, const char *name) +{ + int rc, dlen; + const struct firmware *brd; + + rc = request_firmware(&brd, name, wil_to_dev(wil)); + if (rc) { + wil_err_fw(wil, "Failed to load brd %s\n", name); + return rc; + } + wil_dbg_fw(wil, "Loading <%s>, %zu bytes\n", name, brd->size); + + /* Verify the header */ + dlen = wil_fw_verify(wil, brd->data, brd->size); + if (dlen < 0) { + rc = dlen; + goto out; + } + /* Process the data record */ + rc = wil_brd_process(wil, brd->data, dlen); + +out: + release_firmware(brd); + return rc; +} + +/** * wil_fw_verify_file_exists - checks if firmware file exist * * @wil: driver context diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c index 59def4f3fcf3..1835187ea075 100644 --- a/drivers/net/wireless/ath/wil6210/interrupt.c +++ b/drivers/net/wireless/ath/wil6210/interrupt.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -358,6 +359,25 @@ static void wil_cache_mbox_regs(struct wil6210_priv *wil) wil_mbox_ring_le2cpus(&wil->mbox_ctl.tx); } +static bool wil_validate_mbox_regs(struct wil6210_priv *wil) +{ + size_t min_size = sizeof(struct wil6210_mbox_hdr) + + sizeof(struct wmi_cmd_hdr); + + if (wil->mbox_ctl.rx.entry_size < min_size) { + wil_err(wil, "rx mbox entry too small (%d)\n", + wil->mbox_ctl.rx.entry_size); + return false; + } + if (wil->mbox_ctl.tx.entry_size < min_size) { + wil_err(wil, "tx mbox entry too small (%d)\n", + wil->mbox_ctl.tx.entry_size); + return false; + } + + return true; +} + static irqreturn_t wil6210_irq_misc(int irq, void *cookie) { struct wil6210_priv *wil = cookie; @@ -376,8 +396,9 @@ static irqreturn_t wil6210_irq_misc(int irq, void *cookie) wil6210_mask_irq_misc(wil, false); if (isr & ISR_MISC_FW_ERROR) { - u32 fw_assert_code = wil_r(wil, RGF_FW_ASSERT_CODE); - u32 ucode_assert_code = wil_r(wil, RGF_UCODE_ASSERT_CODE); + u32 fw_assert_code = wil_r(wil, wil->rgf_fw_assert_code_addr); + u32 ucode_assert_code = + wil_r(wil, wil->rgf_ucode_assert_code_addr); wil_err(wil, "Firmware error detected, assert codes FW 0x%08x, UCODE 0x%08x\n", @@ -393,7 +414,8 @@ static irqreturn_t wil6210_irq_misc(int irq, void *cookie) if (isr & ISR_MISC_FW_READY) { wil_dbg_irq(wil, "IRQ: FW ready\n"); wil_cache_mbox_regs(wil); - set_bit(wil_status_mbox_ready, wil->status); + if (wil_validate_mbox_regs(wil)) + set_bit(wil_status_mbox_ready, wil->status); /** * Actual FW ready indicated by the * WMI_FW_READY_EVENTID @@ -545,7 +567,7 @@ static irqreturn_t wil6210_hardirq(int irq, void *cookie) if (unlikely((pseudo_cause == 0) || ((pseudo_cause & 0xff) == 0xff))) return IRQ_NONE; - /* FIXME: IRQ mask debug */ + /* IRQ mask debug */ if (unlikely(wil6210_debug_irq_mask(wil, pseudo_cause))) return IRQ_NONE; diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 885924abf61c..0c61a6c13991 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -579,7 +580,6 @@ int wil_priv_init(struct wil6210_priv *wil) wil->wakeup_trigger = WMI_WAKEUP_TRIGGER_UCAST | WMI_WAKEUP_TRIGGER_BCAST; memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats)); - wil->suspend_stats.min_suspend_time = ULONG_MAX; wil->vring_idle_trsh = 16; return 0; @@ -638,6 +638,98 @@ void wil_priv_deinit(struct wil6210_priv *wil) destroy_workqueue(wil->wmi_wq); } +static void wil_shutdown_bl(struct wil6210_priv *wil) +{ + u32 val; + + wil_s(wil, RGF_USER_BL + + offsetof(struct bl_dedicated_registers_v1, + bl_shutdown_handshake), BL_SHUTDOWN_HS_GRTD); + + usleep_range(100, 150); + + val = wil_r(wil, RGF_USER_BL + + offsetof(struct bl_dedicated_registers_v1, + bl_shutdown_handshake)); + if (val & BL_SHUTDOWN_HS_RTD) { + wil_dbg_misc(wil, "BL is ready for halt\n"); + return; + } + + wil_err(wil, "BL did not report ready for halt\n"); +} + +/* this format is used by ARC embedded CPU for instruction memory */ +static inline u32 ARC_me_imm32(u32 d) +{ + return ((d & 0xffff0000) >> 16) | ((d & 0x0000ffff) << 16); +} + +/* defines access to interrupt vectors for wil_freeze_bl */ +#define ARC_IRQ_VECTOR_OFFSET(N) ((N) * 8) +/* ARC long jump instruction */ +#define ARC_JAL_INST (0x20200f80) + +static void wil_freeze_bl(struct wil6210_priv *wil) +{ + u32 jal, upc, saved; + u32 ivt3 = ARC_IRQ_VECTOR_OFFSET(3); + + jal = wil_r(wil, wil->iccm_base + ivt3); + if (jal != ARC_me_imm32(ARC_JAL_INST)) { + wil_dbg_misc(wil, "invalid IVT entry found, skipping\n"); + return; + } + + /* prevent the target from entering deep sleep + * and disabling memory access + */ + saved = wil_r(wil, RGF_USER_USAGE_8); + wil_w(wil, RGF_USER_USAGE_8, saved | BIT_USER_PREVENT_DEEP_SLEEP); + usleep_range(20, 25); /* let the BL process the bit */ + + /* redirect to endless loop in the INT_L1 context and let it trap */ + wil_w(wil, wil->iccm_base + ivt3 + 4, ARC_me_imm32(ivt3)); + usleep_range(20, 25); /* let the BL get into the trap */ + + /* verify the BL is frozen */ + upc = wil_r(wil, RGF_USER_CPU_PC); + if (upc < ivt3 || (upc > (ivt3 + 8))) + wil_dbg_misc(wil, "BL freeze failed, PC=0x%08X\n", upc); + + wil_w(wil, RGF_USER_USAGE_8, saved); +} + +static void wil_bl_prepare_halt(struct wil6210_priv *wil) +{ + u32 tmp, ver; + + /* before halting device CPU driver must make sure BL is not accessing + * host memory. This is done differently depending on BL version: + * 1. For very old BL versions the procedure is skipped + * (not supported). + * 2. For old BL version we use a special trick to freeze the BL + * 3. For new BL versions we shutdown the BL using handshake procedure. + */ + tmp = wil_r(wil, RGF_USER_BL + + offsetof(struct bl_dedicated_registers_v0, + boot_loader_struct_version)); + if (!tmp) { + wil_dbg_misc(wil, "old BL, skipping halt preperation\n"); + return; + } + + tmp = wil_r(wil, RGF_USER_BL + + offsetof(struct bl_dedicated_registers_v1, + bl_shutdown_handshake)); + ver = BL_SHUTDOWN_HS_PROT_VER(tmp); + + if (ver > 0) + wil_shutdown_bl(wil); + else + wil_freeze_bl(wil); +} + static inline void wil_halt_cpu(struct wil6210_priv *wil) { wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST); @@ -671,7 +763,7 @@ static void wil_set_oob_mode(struct wil6210_priv *wil, u8 mode) } } -static int wil_target_reset(struct wil6210_priv *wil) +static int wil_target_reset(struct wil6210_priv *wil, int no_flash) { int delay = 0; u32 x, x1 = 0; @@ -685,9 +777,16 @@ static int wil_target_reset(struct wil6210_priv *wil) wil_halt_cpu(wil); - /* clear all boot loader "ready" bits */ - wil_w(wil, RGF_USER_BL + - offsetof(struct bl_dedicated_registers_v0, boot_loader_ready), 0); + if (!no_flash) { + /* clear all boot loader "ready" bits */ + wil_w(wil, RGF_USER_BL + + offsetof(struct bl_dedicated_registers_v0, + boot_loader_ready), 0); + /* this should be safe to write even with old BLs */ + wil_w(wil, RGF_USER_BL + + offsetof(struct bl_dedicated_registers_v1, + bl_shutdown_handshake), 0); + } /* Clear Fw Download notification */ wil_c(wil, RGF_USER_USAGE_6, BIT(0)); @@ -728,21 +827,33 @@ static int wil_target_reset(struct wil6210_priv *wil) wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); /* wait until device ready. typical time is 20..80 msec */ - do { - msleep(RST_DELAY); - x = wil_r(wil, RGF_USER_BL + - offsetof(struct bl_dedicated_registers_v0, - boot_loader_ready)); - if (x1 != x) { - wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", x1, x); - x1 = x; - } - if (delay++ > RST_COUNT) { - wil_err(wil, "Reset not completed, bl.ready 0x%08x\n", - x); - return -ETIME; - } - } while (x != BL_READY); + if (no_flash) + do { + msleep(RST_DELAY); + x = wil_r(wil, USER_EXT_USER_PMU_3); + if (delay++ > RST_COUNT) { + wil_err(wil, "Reset not completed, PMU_3 0x%08x\n", + x); + return -ETIME; + } + } while ((x & BIT_PMU_DEVICE_RDY) == 0); + else + do { + msleep(RST_DELAY); + x = wil_r(wil, RGF_USER_BL + + offsetof(struct bl_dedicated_registers_v0, + boot_loader_ready)); + if (x1 != x) { + wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", + x1, x); + x1 = x; + } + if (delay++ > RST_COUNT) { + wil_err(wil, "Reset not completed, bl.ready 0x%08x\n", + x); + return -ETIME; + } + } while (x != BL_READY); wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD); @@ -750,6 +861,21 @@ static int wil_target_reset(struct wil6210_priv *wil) wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN | BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC); + if (no_flash) { + /* Reset OTP HW vectors to fit 40MHz */ + wil_w(wil, RGF_USER_XPM_IFC_RD_TIME1, 0x60001); + wil_w(wil, RGF_USER_XPM_IFC_RD_TIME2, 0x20027); + wil_w(wil, RGF_USER_XPM_IFC_RD_TIME3, 0x1); + wil_w(wil, RGF_USER_XPM_IFC_RD_TIME4, 0x20027); + wil_w(wil, RGF_USER_XPM_IFC_RD_TIME5, 0x30003); + wil_w(wil, RGF_USER_XPM_IFC_RD_TIME6, 0x20002); + wil_w(wil, RGF_USER_XPM_IFC_RD_TIME7, 0x60001); + wil_w(wil, RGF_USER_XPM_IFC_RD_TIME8, 0x60001); + wil_w(wil, RGF_USER_XPM_IFC_RD_TIME9, 0x60001); + wil_w(wil, RGF_USER_XPM_IFC_RD_TIME10, 0x60001); + wil_w(wil, RGF_USER_XPM_RD_DOUT_SAMPLE_TIME, 0x57); + } + wil_dbg_misc(wil, "Reset completed in %d ms\n", delay * RST_DELAY); return 0; } @@ -760,6 +886,8 @@ static void wil_collect_fw_info(struct wil6210_priv *wil) u8 retry_short; int rc; + wil_refresh_fw_capabilities(wil); + rc = wmi_get_mgmt_retry(wil, &retry_short); if (!rc) { wiphy->retry_short = retry_short; @@ -767,6 +895,43 @@ static void wil_collect_fw_info(struct wil6210_priv *wil) } } +void wil_refresh_fw_capabilities(struct wil6210_priv *wil) +{ + struct wiphy *wiphy = wil_to_wiphy(wil); + int features; + + wil->keep_radio_on_during_sleep = + test_bit(WIL_PLATFORM_CAPA_RADIO_ON_IN_SUSPEND, + wil->platform_capa) && + test_bit(WMI_FW_CAPABILITY_D3_SUSPEND, wil->fw_capabilities); + + wil_info(wil, "keep_radio_on_during_sleep (%d)\n", + wil->keep_radio_on_during_sleep); + + if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) + wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + else + wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; + + if (test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) { + wiphy->max_sched_scan_reqs = 1; + wiphy->max_sched_scan_ssids = WMI_MAX_PNO_SSID_NUM; + wiphy->max_match_sets = WMI_MAX_PNO_SSID_NUM; + wiphy->max_sched_scan_ie_len = WMI_MAX_IE_LEN; + wiphy->max_sched_scan_plans = WMI_MAX_PLANS_NUM; + } + + if (wil->platform_ops.set_features) { + features = (test_bit(WMI_FW_CAPABILITY_REF_CLOCK_CONTROL, + wil->fw_capabilities) && + test_bit(WIL_PLATFORM_CAPA_EXT_CLK, + wil->platform_capa)) ? + BIT(WIL_PLATFORM_FEATURE_FW_EXT_CLK_CONTROL) : 0; + + wil->platform_ops.set_features(wil->platform_handle, features); + } +} + void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r) { le32_to_cpus(&r->base); @@ -868,6 +1033,27 @@ static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err) } } +static int wil_get_otp_info(struct wil6210_priv *wil) +{ + struct net_device *ndev = wil_to_ndev(wil); + struct wiphy *wiphy = wil_to_wiphy(wil); + u8 mac[8]; + + wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(RGF_OTP_MAC), + sizeof(mac)); + if (!is_valid_ether_addr(mac)) { + wil_err(wil, "Invalid MAC %pM\n", mac); + return -EINVAL; + } + + ether_addr_copy(ndev->perm_addr, mac); + ether_addr_copy(wiphy->perm_addr, mac); + if (!is_valid_ether_addr(ndev->dev_addr)) + ether_addr_copy(ndev->dev_addr, mac); + + return 0; +} + static int wil_wait_for_fw_ready(struct wil6210_priv *wil) { ulong to = msecs_to_jiffies(1000); @@ -960,6 +1146,8 @@ static void wil_pre_fw_config(struct wil6210_priv *wil) int wil_reset(struct wil6210_priv *wil, bool load_fw) { int rc; + unsigned long status_flags = BIT(wil_status_resetting); + int no_flash; wil_dbg_misc(wil, "reset\n"); @@ -980,6 +1168,16 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) if (wil->hw_version == HW_VER_UNKNOWN) return -ENODEV; + if (test_bit(WIL_PLATFORM_CAPA_T_PWR_ON_0, wil->platform_capa)) { + wil_dbg_misc(wil, "Notify FW to set T_POWER_ON=0\n"); + wil_s(wil, RGF_USER_USAGE_8, BIT_USER_SUPPORT_T_POWER_ON_0); + } + + if (test_bit(WIL_PLATFORM_CAPA_EXT_CLK, wil->platform_capa)) { + wil_dbg_misc(wil, "Notify FW on ext clock configuration\n"); + wil_s(wil, RGF_USER_USAGE_8, BIT_USER_EXT_CLK); + } + if (wil->platform_ops.notify) { rc = wil->platform_ops.notify(wil->platform_handle, WIL_PLATFORM_EVT_PRE_RESET); @@ -989,6 +1187,14 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) } set_bit(wil_status_resetting, wil->status); + if (test_bit(wil_status_collecting_dumps, wil->status)) { + /* Device collects crash dump, cancel the reset. + * following crash dump collection, reset would take place. + */ + wil_dbg_misc(wil, "reject reset while collecting crash dump\n"); + rc = -EBUSY; + goto out; + } cancel_work_sync(&wil->disconnect_worker); wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false); @@ -1003,7 +1209,11 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) /* prevent NAPI from being scheduled and prevent wmi commands */ mutex_lock(&wil->wmi_mutex); - bitmap_zero(wil->status, wil_status_last); + if (test_bit(wil_status_suspending, wil->status)) + status_flags |= BIT(wil_status_suspending); + bitmap_and(wil->status, wil->status, &status_flags, + wil_status_last); + wil_dbg_misc(wil, "wil->status (0x%lx)\n", *wil->status); mutex_unlock(&wil->wmi_mutex); wil_mask_irq(wil); @@ -1013,37 +1223,53 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) flush_workqueue(wil->wq_service); flush_workqueue(wil->wmi_wq); - wil_bl_crash_info(wil, false); + no_flash = test_bit(hw_capa_no_flash, wil->hw_capa); + if (!no_flash) + wil_bl_crash_info(wil, false); wil_disable_irq(wil); - rc = wil_target_reset(wil); + rc = wil_target_reset(wil, no_flash); wil6210_clear_irq(wil); wil_enable_irq(wil); wil_rx_fini(wil); if (rc) { - wil_bl_crash_info(wil, true); - return rc; + if (!no_flash) + wil_bl_crash_info(wil, true); + goto out; } - rc = wil_get_bl_info(wil); - if (rc == -EAGAIN && !load_fw) /* ignore RF error if not going up */ - rc = 0; + if (no_flash) { + rc = wil_get_otp_info(wil); + } else { + rc = wil_get_bl_info(wil); + if (rc == -EAGAIN && !load_fw) + /* ignore RF error if not going up */ + rc = 0; + } if (rc) - return rc; + goto out; wil_set_oob_mode(wil, oob_mode); if (load_fw) { wil_info(wil, "Use firmware <%s> + board <%s>\n", wil->wil_fw_name, WIL_BOARD_FILE_NAME); + if (!no_flash) + wil_bl_prepare_halt(wil); + wil_halt_cpu(wil); memset(wil->fw_version, 0, sizeof(wil->fw_version)); /* Loading f/w from the file */ rc = wil_request_firmware(wil, wil->wil_fw_name, true); if (rc) - return rc; - rc = wil_request_firmware(wil, WIL_BOARD_FILE_NAME, true); + goto out; + if (wil->brd_file_addr) + rc = wil_request_board(wil, WIL_BOARD_FILE_NAME); + else + rc = wil_request_firmware(wil, + WIL_BOARD_FILE_NAME, + true); if (rc) - return rc; + goto out; wil_pre_fw_config(wil); wil_release_cpu(wil); @@ -1055,6 +1281,8 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) reinit_completion(&wil->wmi_call); reinit_completion(&wil->halp.comp); + clear_bit(wil_status_resetting, wil->status); + if (load_fw) { wil_configure_interrupt_moderation(wil); wil_unmask_irq(wil); @@ -1071,11 +1299,11 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) return rc; } + wil_collect_fw_info(wil); + if (wil->ps_profile != WMI_PS_PROFILE_TYPE_DEFAULT) wil_ps_update(wil, wil->ps_profile); - wil_collect_fw_info(wil); - if (wil->platform_ops.notify) { rc = wil->platform_ops.notify(wil->platform_handle, WIL_PLATFORM_EVT_FW_RDY); @@ -1088,6 +1316,10 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) } return rc; + +out: + clear_bit(wil_status_resetting, wil->status); + return rc; } void wil_fw_error_recovery(struct wil6210_priv *wil) @@ -1193,9 +1425,7 @@ int __wil_down(struct wil6210_priv *wil) wil_abort_scan(wil, false); mutex_unlock(&wil->p2p_wdev_mutex); - wil_reset(wil, false); - - return 0; + return wil_reset(wil, false); } int wil_down(struct wil6210_priv *wil) diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c index 4a6ab2d0fdf1..7ba4e0af8f57 100644 --- a/drivers/net/wireless/ath/wil6210/netdev.c +++ b/drivers/net/wireless/ath/wil6210/netdev.c @@ -21,6 +21,7 @@ static int wil_open(struct net_device *ndev) { struct wil6210_priv *wil = ndev_to_wil(ndev); + int rc; wil_dbg_misc(wil, "open\n"); @@ -30,16 +31,29 @@ static int wil_open(struct net_device *ndev) return -EINVAL; } - return wil_up(wil); + rc = wil_pm_runtime_get(wil); + if (rc < 0) + return rc; + + rc = wil_up(wil); + if (rc) + wil_pm_runtime_put(wil); + + return rc; } static int wil_stop(struct net_device *ndev) { struct wil6210_priv *wil = ndev_to_wil(ndev); + int rc; wil_dbg_misc(wil, "stop\n"); - return wil_down(wil); + rc = wil_down(wil); + if (!rc) + wil_pm_runtime_put(wil); + + return rc; } static const struct net_device_ops wil_netdev_ops = { @@ -136,7 +150,7 @@ void *wil_if_alloc(struct device *dev) wdev->iftype = NL80211_IFTYPE_STATION; /* TODO */ /* default monitor channel */ ch = wdev->wiphy->bands[NL80211_BAND_60GHZ]->channels; - cfg80211_chandef_create(&wdev->preset_chandef, ch, NL80211_CHAN_NO_HT); + cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT); ndev = alloc_netdev(0, "wlan%d", NET_NAME_UNKNOWN, wil_dev_setup); if (!ndev) { diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index 6a3ab4bf916d..809092a49192 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -21,6 +22,7 @@ #include <linux/suspend.h> #include "wil6210.h" #include <linux/rtnetlink.h> +#include <linux/pm_runtime.h> static bool use_msi = true; module_param(use_msi, bool, 0444); @@ -30,29 +32,30 @@ static bool ftm_mode; module_param(ftm_mode, bool, 0444); MODULE_PARM_DESC(ftm_mode, " Set factory test mode, default - false"); -#ifdef CONFIG_PM -#ifdef CONFIG_PM_SLEEP static int wil6210_pm_notify(struct notifier_block *notify_block, unsigned long mode, void *unused); -#endif /* CONFIG_PM_SLEEP */ -#endif /* CONFIG_PM */ static -void wil_set_capabilities(struct wil6210_priv *wil) +int wil_set_capabilities(struct wil6210_priv *wil) { const char *wil_fw_name; u32 jtag_id = wil_r(wil, RGF_USER_JTAG_DEV_ID); u8 chip_revision = (wil_r(wil, RGF_USER_REVISION_ID) & RGF_USER_REVISION_ID_MASK); + int platform_capa; + struct fw_map *iccm_section, *sct; - bitmap_zero(wil->hw_capabilities, hw_capability_last); + bitmap_zero(wil->hw_capa, hw_capa_last); bitmap_zero(wil->fw_capabilities, WMI_FW_CAPABILITY_MAX); + bitmap_zero(wil->platform_capa, WIL_PLATFORM_CAPA_MAX); wil->wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_DEFAULT : WIL_FW_NAME_DEFAULT; wil->chip_revision = chip_revision; switch (jtag_id) { case JTAG_DEV_ID_SPARROW: + memcpy(fw_mapping, sparrow_fw_mapping, + sizeof(sparrow_fw_mapping)); switch (chip_revision) { case REVISION_ID_SPARROW_D0: wil->hw_name = "Sparrow D0"; @@ -62,6 +65,12 @@ void wil_set_capabilities(struct wil6210_priv *wil) if (wil_fw_verify_file_exists(wil, wil_fw_name)) wil->wil_fw_name = wil_fw_name; + sct = wil_find_fw_mapping("mac_rgf_ext"); + if (!sct) { + wil_err(wil, "mac_rgf_ext section not found in fw_mapping\n"); + return -EINVAL; + } + memcpy(sct, &sparrow_d0_mac_rgf_ext, sizeof(*sct)); break; case REVISION_ID_SPARROW_B0: wil->hw_name = "Sparrow B0"; @@ -72,21 +81,50 @@ void wil_set_capabilities(struct wil6210_priv *wil) wil->hw_version = HW_VER_UNKNOWN; break; } + wil->rgf_fw_assert_code_addr = SPARROW_RGF_FW_ASSERT_CODE; + wil->rgf_ucode_assert_code_addr = SPARROW_RGF_UCODE_ASSERT_CODE; + break; + case JTAG_DEV_ID_TALYN: + wil->hw_name = "Talyn"; + wil->hw_version = HW_VER_TALYN; + memcpy(fw_mapping, talyn_fw_mapping, sizeof(talyn_fw_mapping)); + wil->rgf_fw_assert_code_addr = TALYN_RGF_FW_ASSERT_CODE; + wil->rgf_ucode_assert_code_addr = TALYN_RGF_UCODE_ASSERT_CODE; + if (wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1) & + BIT_NO_FLASH_INDICATION) + set_bit(hw_capa_no_flash, wil->hw_capa); break; default: wil_err(wil, "Unknown board hardware, chip_id 0x%08x, chip_revision 0x%08x\n", jtag_id, chip_revision); wil->hw_name = "Unknown"; wil->hw_version = HW_VER_UNKNOWN; + return -EINVAL; + } + + iccm_section = wil_find_fw_mapping("fw_code"); + if (!iccm_section) { + wil_err(wil, "fw_code section not found in fw_mapping\n"); + return -EINVAL; } + wil->iccm_base = iccm_section->host; - wil_info(wil, "Board hardware is %s\n", wil->hw_name); + wil_info(wil, "Board hardware is %s, flash %sexist\n", wil->hw_name, + test_bit(hw_capa_no_flash, wil->hw_capa) ? "doesn't " : ""); + + /* Get platform capabilities */ + if (wil->platform_ops.get_capa) { + platform_capa = + wil->platform_ops.get_capa(wil->platform_handle); + memcpy(wil->platform_capa, &platform_capa, + min(sizeof(wil->platform_capa), sizeof(platform_capa))); + } /* extract FW capabilities from file without loading the FW */ wil_request_firmware(wil, wil->wil_fw_name, false); + wil_refresh_fw_capabilities(wil); - if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) - wil_to_wiphy(wil)->signal_type = CFG80211_SIGNAL_TYPE_MBM; + return 0; } void wil_disable_irq(struct wil6210_priv *wil) @@ -209,6 +247,8 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) .fw_recovery = wil_platform_rop_fw_recovery, }; u32 bar_size = pci_resource_len(pdev, 0); + int dma_addr_size[] = {48, 40, 32}; /* keep descending order */ + int i; /* check HW */ dev_info(&pdev->dev, WIL_NAME @@ -244,21 +284,23 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) } /* rollback to err_plat */ - /* device supports 48bit addresses */ - rc = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48)); - if (rc) { - dev_err(dev, "dma_set_mask_and_coherent(48) failed: %d\n", rc); - rc = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); + /* device supports >32bit addresses */ + for (i = 0; i < ARRAY_SIZE(dma_addr_size); i++) { + rc = dma_set_mask_and_coherent(dev, + DMA_BIT_MASK(dma_addr_size[i])); if (rc) { - dev_err(dev, - "dma_set_mask_and_coherent(32) failed: %d\n", - rc); - goto err_plat; + dev_err(dev, "dma_set_mask_and_coherent(%d) failed: %d\n", + dma_addr_size[i], rc); + continue; } - } else { - wil->use_extended_dma_addr = 1; + dev_info(dev, "using dma mask %d", dma_addr_size[i]); + wil->dma_addr_size = dma_addr_size[i]; + break; } + if (wil->dma_addr_size == 0) + goto err_plat; + rc = pci_enable_device(pdev); if (rc && pdev->msi_enabled == 0) { wil_err(wil, @@ -293,18 +335,13 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* rollback to err_iounmap */ wil_info(wil, "CSR at %pR -> 0x%p\n", &pdev->resource[0], wil->csr); - wil_set_capabilities(wil); + rc = wil_set_capabilities(wil); + if (rc) { + wil_err(wil, "wil_set_capabilities failed, rc %d\n", rc); + goto err_iounmap; + } wil6210_clear_irq(wil); - wil->keep_radio_on_during_sleep = - wil->platform_ops.keep_radio_on_during_sleep && - wil->platform_ops.keep_radio_on_during_sleep( - wil->platform_handle) && - test_bit(WMI_FW_CAPABILITY_D3_SUSPEND, wil->fw_capabilities); - - wil_info(wil, "keep_radio_on_during_sleep (%d)\n", - wil->keep_radio_on_during_sleep); - /* FW should raise IRQ when ready */ rc = wil_if_pcie_enable(wil); if (rc) { @@ -319,20 +356,19 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto bus_disable; } -#ifdef CONFIG_PM -#ifdef CONFIG_PM_SLEEP - wil->pm_notify.notifier_call = wil6210_pm_notify; + if (IS_ENABLED(CONFIG_PM)) + wil->pm_notify.notifier_call = wil6210_pm_notify; + rc = register_pm_notifier(&wil->pm_notify); if (rc) /* Do not fail the driver initialization, as suspend can * be prevented in a later phase if needed */ wil_err(wil, "register_pm_notifier failed: %d\n", rc); -#endif /* CONFIG_PM_SLEEP */ -#endif /* CONFIG_PM */ wil6210_debugfs_init(wil); + wil_pm_runtime_allow(wil); return 0; @@ -359,11 +395,9 @@ static void wil_pcie_remove(struct pci_dev *pdev) wil_dbg_misc(wil, "pcie_remove\n"); -#ifdef CONFIG_PM -#ifdef CONFIG_PM_SLEEP unregister_pm_notifier(&wil->pm_notify); -#endif /* CONFIG_PM_SLEEP */ -#endif /* CONFIG_PM */ + + wil_pm_runtime_forbid(wil); wil6210_debugfs_remove(wil); rtnl_lock(); @@ -381,18 +415,19 @@ static void wil_pcie_remove(struct pci_dev *pdev) static const struct pci_device_id wil6210_pcie_ids[] = { { PCI_DEVICE(0x1ae9, 0x0310) }, { PCI_DEVICE(0x1ae9, 0x0302) }, /* same as above, firmware broken */ + { PCI_DEVICE(0x17cb, 0x1201) }, /* Talyn */ { /* end: all zeroes */ }, }; MODULE_DEVICE_TABLE(pci, wil6210_pcie_ids); -#ifdef CONFIG_PM -#ifdef CONFIG_PM_SLEEP - static int wil6210_suspend(struct device *dev, bool is_runtime) { int rc = 0; struct pci_dev *pdev = to_pci_dev(dev); struct wil6210_priv *wil = pci_get_drvdata(pdev); + struct net_device *ndev = wil_to_ndev(wil); + bool keep_radio_on = ndev->flags & IFF_UP && + wil->keep_radio_on_during_sleep; wil_dbg_pm(wil, "suspend: %s\n", is_runtime ? "runtime" : "system"); @@ -400,16 +435,18 @@ static int wil6210_suspend(struct device *dev, bool is_runtime) if (rc) goto out; - rc = wil_suspend(wil, is_runtime); + rc = wil_suspend(wil, is_runtime, keep_radio_on); if (!rc) { - wil->suspend_stats.successful_suspends++; - - /* If platform device supports keep_radio_on_during_sleep - * it will control PCIe master + /* In case radio stays on, platform device will control + * PCIe master */ - if (!wil->keep_radio_on_during_sleep) + if (!keep_radio_on) { /* disable bus mastering */ pci_clear_master(pdev); + wil->suspend_stats.r_off.successful_suspends++; + } else { + wil->suspend_stats.r_on.successful_suspends++; + } } out: return rc; @@ -420,23 +457,32 @@ static int wil6210_resume(struct device *dev, bool is_runtime) int rc = 0; struct pci_dev *pdev = to_pci_dev(dev); struct wil6210_priv *wil = pci_get_drvdata(pdev); + struct net_device *ndev = wil_to_ndev(wil); + bool keep_radio_on = ndev->flags & IFF_UP && + wil->keep_radio_on_during_sleep; wil_dbg_pm(wil, "resume: %s\n", is_runtime ? "runtime" : "system"); - /* If platform device supports keep_radio_on_during_sleep it will - * control PCIe master + /* In case radio stays on, platform device will control + * PCIe master */ - if (!wil->keep_radio_on_during_sleep) + if (!keep_radio_on) /* allow master */ pci_set_master(pdev); - rc = wil_resume(wil, is_runtime); + rc = wil_resume(wil, is_runtime, keep_radio_on); if (rc) { wil_err(wil, "device failed to resume (%d)\n", rc); - wil->suspend_stats.failed_resumes++; - if (!wil->keep_radio_on_during_sleep) + if (!keep_radio_on) { pci_clear_master(pdev); + wil->suspend_stats.r_off.failed_resumes++; + } else { + wil->suspend_stats.r_on.failed_resumes++; + } } else { - wil->suspend_stats.successful_resumes++; + if (keep_radio_on) + wil->suspend_stats.r_on.successful_resumes++; + else + wil->suspend_stats.r_off.successful_resumes++; } return rc; @@ -481,21 +527,49 @@ static int wil6210_pm_notify(struct notifier_block *notify_block, return rc; } -static int wil6210_pm_suspend(struct device *dev) +static int __maybe_unused wil6210_pm_suspend(struct device *dev) { return wil6210_suspend(dev, false); } -static int wil6210_pm_resume(struct device *dev) +static int __maybe_unused wil6210_pm_resume(struct device *dev) { return wil6210_resume(dev, false); } -#endif /* CONFIG_PM_SLEEP */ -#endif /* CONFIG_PM */ +static int __maybe_unused wil6210_pm_runtime_idle(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct wil6210_priv *wil = pci_get_drvdata(pdev); + + wil_dbg_pm(wil, "Runtime idle\n"); + + return wil_can_suspend(wil, true); +} + +static int __maybe_unused wil6210_pm_runtime_resume(struct device *dev) +{ + return wil6210_resume(dev, true); +} + +static int __maybe_unused wil6210_pm_runtime_suspend(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct wil6210_priv *wil = pci_get_drvdata(pdev); + + if (test_bit(wil_status_suspended, wil->status)) { + wil_dbg_pm(wil, "trying to suspend while suspended\n"); + return 1; + } + + return wil6210_suspend(dev, true); +} static const struct dev_pm_ops wil6210_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(wil6210_pm_suspend, wil6210_pm_resume) + SET_RUNTIME_PM_OPS(wil6210_pm_runtime_suspend, + wil6210_pm_runtime_resume, + wil6210_pm_runtime_idle) }; static struct pci_driver wil6210_driver = { diff --git a/drivers/net/wireless/ath/wil6210/pm.c b/drivers/net/wireless/ath/wil6210/pm.c index 8f5d1b447aaa..0a96518a566f 100644 --- a/drivers/net/wireless/ath/wil6210/pm.c +++ b/drivers/net/wireless/ath/wil6210/pm.c @@ -16,15 +16,30 @@ #include "wil6210.h" #include <linux/jiffies.h> +#include <linux/pm_runtime.h> + +#define WIL6210_AUTOSUSPEND_DELAY_MS (1000) int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime) { int rc = 0; struct wireless_dev *wdev = wil->wdev; struct net_device *ndev = wil_to_ndev(wil); + bool wmi_only = test_bit(WMI_FW_CAPABILITY_WMI_ONLY, + wil->fw_capabilities); wil_dbg_pm(wil, "can_suspend: %s\n", is_runtime ? "runtime" : "system"); + if (wmi_only || debug_fw) { + wil_dbg_pm(wil, "Deny any suspend - %s mode\n", + wmi_only ? "wmi_only" : "debug_fw"); + rc = -EBUSY; + goto out; + } + if (is_runtime && !wil->platform_ops.suspend) { + rc = -EBUSY; + goto out; + } if (!(ndev->flags & IFF_UP)) { /* can always sleep when down */ wil_dbg_pm(wil, "Interface is down\n"); @@ -44,6 +59,10 @@ int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime) /* interface is running */ switch (wdev->iftype) { case NL80211_IFTYPE_MONITOR: + wil_dbg_pm(wil, "Sniffer\n"); + rc = -EBUSY; + goto out; + /* for STA-like interface, don't runtime suspend */ case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: if (test_bit(wil_status_fwconnecting, wil->status)) { @@ -51,6 +70,12 @@ int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime) rc = -EBUSY; goto out; } + /* Runtime pm not supported in case the interface is up */ + if (is_runtime) { + wil_dbg_pm(wil, "STA-like interface\n"); + rc = -EBUSY; + goto out; + } break; /* AP-like interface - can't suspend */ default: @@ -120,6 +145,13 @@ static int wil_suspend_keep_radio_on(struct wil6210_priv *wil) /* Prevent handling of new tx and wmi commands */ set_bit(wil_status_suspending, wil->status); + if (test_bit(wil_status_collecting_dumps, wil->status)) { + /* Device collects crash dump, cancel the suspend */ + wil_dbg_pm(wil, "reject suspend while collecting crash dump\n"); + clear_bit(wil_status_suspending, wil->status); + wil->suspend_stats.rejected_by_host++; + return -EBUSY; + } wil_update_net_queues_bh(wil, NULL, true); if (!wil_is_tx_idle(wil)) { @@ -158,7 +190,7 @@ static int wil_suspend_keep_radio_on(struct wil6210_priv *wil) break; wil_err(wil, "TO waiting for idle RX, suspend failed\n"); - wil->suspend_stats.failed_suspends++; + wil->suspend_stats.r_on.failed_suspends++; goto resume_after_fail; } wil_dbg_ratelimited(wil, "rx vring is not empty -> NAPI\n"); @@ -174,7 +206,7 @@ static int wil_suspend_keep_radio_on(struct wil6210_priv *wil) */ if (!wil_is_wmi_idle(wil)) { wil_err(wil, "suspend failed due to pending WMI events\n"); - wil->suspend_stats.failed_suspends++; + wil->suspend_stats.r_on.failed_suspends++; goto resume_after_fail; } @@ -188,7 +220,7 @@ static int wil_suspend_keep_radio_on(struct wil6210_priv *wil) if (rc) { wil_err(wil, "platform device failed to suspend (%d)\n", rc); - wil->suspend_stats.failed_suspends++; + wil->suspend_stats.r_on.failed_suspends++; wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD); wil_unmask_irq(wil); goto resume_after_fail; @@ -230,11 +262,21 @@ static int wil_suspend_radio_off(struct wil6210_priv *wil) wil_dbg_pm(wil, "suspend radio off\n"); + set_bit(wil_status_suspending, wil->status); + if (test_bit(wil_status_collecting_dumps, wil->status)) { + /* Device collects crash dump, cancel the suspend */ + wil_dbg_pm(wil, "reject suspend while collecting crash dump\n"); + clear_bit(wil_status_suspending, wil->status); + wil->suspend_stats.rejected_by_host++; + return -EBUSY; + } + /* if netif up, hardware is alive, shut it down */ if (ndev->flags & IFF_UP) { rc = wil_down(wil); if (rc) { wil_err(wil, "wil_down : %d\n", rc); + wil->suspend_stats.r_off.failed_suspends++; goto out; } } @@ -247,6 +289,7 @@ static int wil_suspend_radio_off(struct wil6210_priv *wil) rc = wil->platform_ops.suspend(wil->platform_handle, false); if (rc) { wil_enable_irq(wil); + wil->suspend_stats.r_off.failed_suspends++; goto out; } } @@ -254,6 +297,7 @@ static int wil_suspend_radio_off(struct wil6210_priv *wil) set_bit(wil_status_suspended, wil->status); out: + clear_bit(wil_status_suspending, wil->status); wil_dbg_pm(wil, "suspend radio off: %d\n", rc); return rc; @@ -279,12 +323,9 @@ static int wil_resume_radio_off(struct wil6210_priv *wil) return rc; } -int wil_suspend(struct wil6210_priv *wil, bool is_runtime) +int wil_suspend(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on) { int rc = 0; - struct net_device *ndev = wil_to_ndev(wil); - bool keep_radio_on = ndev->flags & IFF_UP && - wil->keep_radio_on_during_sleep; wil_dbg_pm(wil, "suspend: %s\n", is_runtime ? "runtime" : "system"); @@ -301,19 +342,12 @@ int wil_suspend(struct wil6210_priv *wil, bool is_runtime) wil_dbg_pm(wil, "suspend: %s => %d\n", is_runtime ? "runtime" : "system", rc); - if (!rc) - wil->suspend_stats.suspend_start_time = ktime_get(); - return rc; } -int wil_resume(struct wil6210_priv *wil, bool is_runtime) +int wil_resume(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on) { int rc = 0; - struct net_device *ndev = wil_to_ndev(wil); - bool keep_radio_on = ndev->flags & IFF_UP && - wil->keep_radio_on_during_sleep; - unsigned long long suspend_time_usec = 0; wil_dbg_pm(wil, "resume: %s\n", is_runtime ? "runtime" : "system"); @@ -331,20 +365,49 @@ int wil_resume(struct wil6210_priv *wil, bool is_runtime) else rc = wil_resume_radio_off(wil); - if (rc) - goto out; - - suspend_time_usec = - ktime_to_us(ktime_sub(ktime_get(), - wil->suspend_stats.suspend_start_time)); - wil->suspend_stats.total_suspend_time += suspend_time_usec; - if (suspend_time_usec < wil->suspend_stats.min_suspend_time) - wil->suspend_stats.min_suspend_time = suspend_time_usec; - if (suspend_time_usec > wil->suspend_stats.max_suspend_time) - wil->suspend_stats.max_suspend_time = suspend_time_usec; - out: - wil_dbg_pm(wil, "resume: %s => %d, suspend time %lld usec\n", - is_runtime ? "runtime" : "system", rc, suspend_time_usec); + wil_dbg_pm(wil, "resume: %s => %d\n", is_runtime ? "runtime" : "system", + rc); return rc; } + +void wil_pm_runtime_allow(struct wil6210_priv *wil) +{ + struct device *dev = wil_to_dev(wil); + + pm_runtime_put_noidle(dev); + pm_runtime_set_autosuspend_delay(dev, WIL6210_AUTOSUSPEND_DELAY_MS); + pm_runtime_use_autosuspend(dev); + pm_runtime_allow(dev); +} + +void wil_pm_runtime_forbid(struct wil6210_priv *wil) +{ + struct device *dev = wil_to_dev(wil); + + pm_runtime_forbid(dev); + pm_runtime_get_noresume(dev); +} + +int wil_pm_runtime_get(struct wil6210_priv *wil) +{ + int rc; + struct device *dev = wil_to_dev(wil); + + rc = pm_runtime_get_sync(dev); + if (rc < 0) { + wil_err(wil, "pm_runtime_get_sync() failed, rc = %d\n", rc); + pm_runtime_put_noidle(dev); + return rc; + } + + return 0; +} + +void wil_pm_runtime_put(struct wil6210_priv *wil) +{ + struct device *dev = wil_to_dev(wil); + + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); +} diff --git a/drivers/net/wireless/ath/wil6210/pmc.c b/drivers/net/wireless/ath/wil6210/pmc.c index 2e301b6b32a9..4ea27b0bd278 100644 --- a/drivers/net/wireless/ath/wil6210/pmc.c +++ b/drivers/net/wireless/ath/wil6210/pmc.c @@ -111,14 +111,14 @@ void wil_pmc_alloc(struct wil6210_priv *wil, * * HW has limitation that all vrings addresses must share the same * upper 16 msb bits part of 48 bits address. To workaround that, - * if we are using 48 bit addresses switch to 32 bit allocation - * before allocating vring memory. + * if we are using more than 32 bit addresses switch to 32 bit + * allocation before allocating vring memory. * * There's no check for the return value of dma_set_mask_and_coherent, * since we assume if we were able to set the mask during * initialization in this system it will not fail if we set it again */ - if (wil->use_extended_dma_addr) + if (wil->dma_addr_size > 32) dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); pmc->pring_va = dma_alloc_coherent(dev, @@ -126,8 +126,9 @@ void wil_pmc_alloc(struct wil6210_priv *wil, &pmc->pring_pa, GFP_KERNEL); - if (wil->use_extended_dma_addr) - dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48)); + if (wil->dma_addr_size > 32) + dma_set_mask_and_coherent(dev, + DMA_BIT_MASK(wil->dma_addr_size)); wil_dbg_misc(wil, "pmc_alloc: allocated pring %p => %pad. %zd x %d = total %zd bytes\n", diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 389c718cd257..16b8a4e5201f 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -178,14 +178,14 @@ static int wil_vring_alloc(struct wil6210_priv *wil, struct vring *vring) * * HW has limitation that all vrings addresses must share the same * upper 16 msb bits part of 48 bits address. To workaround that, - * if we are using 48 bit addresses switch to 32 bit allocation - * before allocating vring memory. + * if we are using more than 32 bit addresses switch to 32 bit + * allocation before allocating vring memory. * * There's no check for the return value of dma_set_mask_and_coherent, * since we assume if we were able to set the mask during * initialization in this system it will not fail if we set it again */ - if (wil->use_extended_dma_addr) + if (wil->dma_addr_size > 32) dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); vring->va = dma_alloc_coherent(dev, sz, &vring->pa, GFP_KERNEL); @@ -195,8 +195,9 @@ static int wil_vring_alloc(struct wil6210_priv *wil, struct vring *vring) return -ENOMEM; } - if (wil->use_extended_dma_addr) - dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48)); + if (wil->dma_addr_size > 32) + dma_set_mask_and_coherent(dev, + DMA_BIT_MASK(wil->dma_addr_size)); /* initially, all descriptors are SW owned * For Tx and Rx, ownership bit is at the same location, thus @@ -347,7 +348,6 @@ static int wil_vring_alloc_skb(struct wil6210_priv *wil, struct vring *vring, static void wil_rx_add_radiotap_header(struct wil6210_priv *wil, struct sk_buff *skb) { - struct wireless_dev *wdev = wil->wdev; struct wil6210_rtap { struct ieee80211_radiotap_header rthdr; /* fields should be in the order of bits in rthdr.it_present */ @@ -374,7 +374,7 @@ static void wil_rx_add_radiotap_header(struct wil6210_priv *wil, int rtap_len = sizeof(struct wil6210_rtap); int phy_length = 0; /* phy info header size, bytes */ static char phy_data[128]; - struct ieee80211_channel *ch = wdev->preset_chandef.chan; + struct ieee80211_channel *ch = wil->monitor_chandef.chan; if (rtap_include_phy_info) { rtap_len = sizeof(*rtap_vendor) + sizeof(*d); diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 1e340d04bd70..0df2aada6659 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -1,5 +1,6 @@ /* * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -82,18 +83,18 @@ static inline u32 WIL_GET_BITS(u32 x, int b0, int b1) */ #define WIL_MAX_MPDU_OVERHEAD (62) -struct wil_suspend_stats { +struct wil_suspend_count_stats { unsigned long successful_suspends; - unsigned long failed_suspends; unsigned long successful_resumes; + unsigned long failed_suspends; unsigned long failed_resumes; - unsigned long rejected_by_device; +}; + +struct wil_suspend_stats { + struct wil_suspend_count_stats r_off; + struct wil_suspend_count_stats r_on; + unsigned long rejected_by_device; /* only radio on */ unsigned long rejected_by_host; - unsigned long long total_suspend_time; - unsigned long long min_suspend_time; - unsigned long long max_suspend_time; - ktime_t collection_start; - ktime_t suspend_start_time; }; /* Calculate MAC buffer size for the firmware. It includes all overhead, @@ -161,10 +162,15 @@ struct RGF_ICR { #define RGF_USER_USAGE_6 (0x880018) #define BIT_USER_OOB_MODE BIT(31) #define BIT_USER_OOB_R2_MODE BIT(30) +#define RGF_USER_USAGE_8 (0x880020) + #define BIT_USER_PREVENT_DEEP_SLEEP BIT(0) + #define BIT_USER_SUPPORT_T_POWER_ON_0 BIT(1) + #define BIT_USER_EXT_CLK BIT(2) #define RGF_USER_HW_MACHINE_STATE (0x8801dc) #define HW_MACHINE_BOOT_DONE (0x3fffffd) #define RGF_USER_USER_CPU_0 (0x8801e0) #define BIT_USER_USER_CPU_MAN_RST BIT(1) /* user_cpu_man_rst */ +#define RGF_USER_CPU_PC (0x8801e8) #define RGF_USER_MAC_CPU_0 (0x8801fc) #define BIT_USER_MAC_CPU_MAN_RST BIT(1) /* mac_cpu_man_rst */ #define RGF_USER_USER_SCRATCH_PAD (0x8802bc) @@ -190,6 +196,19 @@ struct RGF_ICR { #define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1 (0x880c2c) #define RGF_USER_SPARROW_M_4 (0x880c50) /* Sparrow */ #define BIT_SPARROW_M_4_SEL_SLEEP_OR_REF BIT(2) +#define RGF_USER_OTP_HW_RD_MACHINE_1 (0x880ce0) + #define BIT_NO_FLASH_INDICATION BIT(8) +#define RGF_USER_XPM_IFC_RD_TIME1 (0x880cec) +#define RGF_USER_XPM_IFC_RD_TIME2 (0x880cf0) +#define RGF_USER_XPM_IFC_RD_TIME3 (0x880cf4) +#define RGF_USER_XPM_IFC_RD_TIME4 (0x880cf8) +#define RGF_USER_XPM_IFC_RD_TIME5 (0x880cfc) +#define RGF_USER_XPM_IFC_RD_TIME6 (0x880d00) +#define RGF_USER_XPM_IFC_RD_TIME7 (0x880d04) +#define RGF_USER_XPM_IFC_RD_TIME8 (0x880d08) +#define RGF_USER_XPM_IFC_RD_TIME9 (0x880d0c) +#define RGF_USER_XPM_IFC_RD_TIME10 (0x880d10) +#define RGF_USER_XPM_RD_DOUT_SAMPLE_TIME (0x880d64) #define RGF_DMA_EP_TX_ICR (0x881bb4) /* struct RGF_ICR */ #define BIT_DMA_EP_TX_ICR_TX_DONE BIT(0) @@ -280,22 +299,33 @@ struct RGF_ICR { #define RGF_CAF_PLL_LOCK_STATUS (0x88afec) #define BIT_CAF_OSC_DIG_XTAL_STABLE BIT(0) +#define USER_EXT_USER_PMU_3 (0x88d00c) + #define BIT_PMU_DEVICE_RDY BIT(0) + #define RGF_USER_JTAG_DEV_ID (0x880b34) /* device ID */ #define JTAG_DEV_ID_SPARROW (0x2632072f) + #define JTAG_DEV_ID_TALYN (0x7e0e1) #define RGF_USER_REVISION_ID (0x88afe4) #define RGF_USER_REVISION_ID_MASK (3) #define REVISION_ID_SPARROW_B0 (0x0) #define REVISION_ID_SPARROW_D0 (0x3) +#define RGF_OTP_MAC (0x8a0620) + /* crash codes for FW/Ucode stored here */ -#define RGF_FW_ASSERT_CODE (0x91f020) -#define RGF_UCODE_ASSERT_CODE (0x91f028) + +/* ASSERT RGFs */ +#define SPARROW_RGF_FW_ASSERT_CODE (0x91f020) +#define SPARROW_RGF_UCODE_ASSERT_CODE (0x91f028) +#define TALYN_RGF_FW_ASSERT_CODE (0xa37020) +#define TALYN_RGF_UCODE_ASSERT_CODE (0xa37028) enum { HW_VER_UNKNOWN, HW_VER_SPARROW_B0, /* REVISION_ID_SPARROW_B0 */ HW_VER_SPARROW_D0, /* REVISION_ID_SPARROW_D0 */ + HW_VER_TALYN, /* JTAG_DEV_ID_TALYN */ }; /* popular locations */ @@ -311,6 +341,10 @@ enum { #define WIL_DATA_COMPLETION_TO_MS 200 /* Hardware definitions end */ +#define SPARROW_FW_MAPPING_TABLE_SIZE 10 +#define TALYN_FW_MAPPING_TABLE_SIZE 13 +#define MAX_FW_MAPPING_TABLE_SIZE 13 + struct fw_map { u32 from; /* linker address - from, inclusive */ u32 to; /* linker address - to, exclusive */ @@ -320,7 +354,10 @@ struct fw_map { }; /* array size should be in sync with actual definition in the wmi.c */ -extern const struct fw_map fw_mapping[10]; +extern const struct fw_map sparrow_fw_mapping[SPARROW_FW_MAPPING_TABLE_SIZE]; +extern const struct fw_map sparrow_d0_mac_rgf_ext; +extern const struct fw_map talyn_fw_mapping[TALYN_FW_MAPPING_TABLE_SIZE]; +extern struct fw_map fw_mapping[MAX_FW_MAPPING_TABLE_SIZE]; /** * mk_cidxtid - construct @cidxtid field @@ -435,12 +472,13 @@ enum { /* for wil6210_priv.status */ wil_status_fwconnected, wil_status_dontscan, wil_status_mbox_ready, /* MBOX structures ready */ - wil_status_irqen, /* FIXME: interrupts enabled - for debug */ + wil_status_irqen, /* interrupts enabled - for debug */ wil_status_napi_en, /* NAPI enabled protected by wil->mutex */ wil_status_resetting, /* reset in progress */ wil_status_suspending, /* suspend in progress */ wil_status_suspended, /* suspend completed, device is suspended */ wil_status_resuming, /* resume in progress */ + wil_status_collecting_dumps, /* crashdump collection in progress */ wil_status_last /* keep last */ }; @@ -565,7 +603,8 @@ enum { }; enum { - hw_capability_last + hw_capa_no_flash, + hw_capa_last }; struct wil_probe_client_req { @@ -616,6 +655,16 @@ struct blink_on_off_time { u32 off_ms; }; +struct wil_debugfs_iomem_data { + void *offset; + struct wil6210_priv *wil; +}; + +struct wil_debugfs_data { + struct wil_debugfs_iomem_data *data_arr; + int iomem_data_count; +}; + extern struct blink_on_off_time led_blink_time[WIL_LED_TIME_LAST]; extern u8 led_id; extern u8 led_polarity; @@ -631,14 +680,19 @@ struct wil6210_priv { u8 chip_revision; const char *hw_name; const char *wil_fw_name; - DECLARE_BITMAP(hw_capabilities, hw_capability_last); + char *board_file; + u32 brd_file_addr; + u32 brd_file_max_size; + DECLARE_BITMAP(hw_capa, hw_capa_last); DECLARE_BITMAP(fw_capabilities, WMI_FW_CAPABILITY_MAX); + DECLARE_BITMAP(platform_capa, WIL_PLATFORM_CAPA_MAX); u8 n_mids; /* number of additional MIDs as reported by FW */ u32 recovery_count; /* num of FW recovery attempts in a short time */ u32 recovery_state; /* FW recovery state machine */ unsigned long last_fw_recovery; /* jiffies of last fw recovery */ wait_queue_head_t wq; /* for all wait_event() use */ /* profile */ + struct cfg80211_chan_def monitor_chandef; u32 monitor_flags; u32 privacy; /* secure connection? */ u8 hidden_ssid; /* relevant in AP mode */ @@ -694,7 +748,7 @@ struct wil6210_priv { struct wil_sta_info sta[WIL6210_MAX_CID]; int bcast_vring; u32 vring_idle_trsh; /* HW fetches up to 16 descriptors at once */ - bool use_extended_dma_addr; /* indicates whether we are using 48 bits */ + u32 dma_addr_size; /* indicates dma addr size */ /* scan */ struct cfg80211_scan_request *scan_request; @@ -703,11 +757,12 @@ struct wil6210_priv { atomic_t isr_count_rx, isr_count_tx; /* debugfs */ struct dentry *debug; - struct wil_blob_wrapper blobs[ARRAY_SIZE(fw_mapping)]; + struct wil_blob_wrapper blobs[MAX_FW_MAPPING_TABLE_SIZE]; u8 discovery_mode; u8 abft_len; u8 wakeup_trigger; struct wil_suspend_stats suspend_stats; + struct wil_debugfs_data dbg_data; void *platform_handle; struct wil_platform_ops platform_ops; @@ -731,16 +786,16 @@ struct wil6210_priv { int fw_calib_result; -#ifdef CONFIG_PM -#ifdef CONFIG_PM_SLEEP struct notifier_block pm_notify; -#endif /* CONFIG_PM_SLEEP */ -#endif /* CONFIG_PM */ bool suspend_resp_rcvd; bool suspend_resp_comp; u32 bus_request_kbps; u32 bus_request_kbps_pre_suspend; + + u32 rgf_fw_assert_code_addr; + u32 rgf_ucode_assert_code_addr; + u32 iccm_base; }; #define wil_to_wiphy(i) (i->wdev->wiphy) @@ -861,10 +916,13 @@ int wil_up(struct wil6210_priv *wil); int __wil_up(struct wil6210_priv *wil); int wil_down(struct wil6210_priv *wil); int __wil_down(struct wil6210_priv *wil); +void wil_refresh_fw_capabilities(struct wil6210_priv *wil); void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r); int wil_find_cid(struct wil6210_priv *wil, const u8 *mac); void wil_set_ethtoolops(struct net_device *ndev); +struct fw_map *wil_find_fw_mapping(const char *section); +void __iomem *wmi_buffer_block(struct wil6210_priv *wil, __le32 ptr, u32 size); void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr); void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr); int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr, @@ -997,11 +1055,17 @@ int wil_iftype_nl2wmi(enum nl80211_iftype type); int wil_request_firmware(struct wil6210_priv *wil, const char *name, bool load); +int wil_request_board(struct wil6210_priv *wil, const char *name); bool wil_fw_verify_file_exists(struct wil6210_priv *wil, const char *name); +void wil_pm_runtime_allow(struct wil6210_priv *wil); +void wil_pm_runtime_forbid(struct wil6210_priv *wil); +int wil_pm_runtime_get(struct wil6210_priv *wil); +void wil_pm_runtime_put(struct wil6210_priv *wil); + int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime); -int wil_suspend(struct wil6210_priv *wil, bool is_runtime); -int wil_resume(struct wil6210_priv *wil, bool is_runtime); +int wil_suspend(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on); +int wil_resume(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on); bool wil_is_wmi_idle(struct wil6210_priv *wil); int wmi_resume(struct wil6210_priv *wil); int wmi_suspend(struct wil6210_priv *wil); @@ -1016,4 +1080,8 @@ void wil_halp_unvote(struct wil6210_priv *wil); void wil6210_set_halp(struct wil6210_priv *wil); void wil6210_clear_halp(struct wil6210_priv *wil); +int wmi_start_sched_scan(struct wil6210_priv *wil, + struct cfg80211_sched_scan_request *request); +int wmi_stop_sched_scan(struct wil6210_priv *wil); + #endif /* __WIL6210_H__ */ diff --git a/drivers/net/wireless/ath/wil6210/wil_crash_dump.c b/drivers/net/wireless/ath/wil6210/wil_crash_dump.c index e53cf0cf7031..1ed330674d9b 100644 --- a/drivers/net/wireless/ath/wil6210/wil_crash_dump.c +++ b/drivers/net/wireless/ath/wil6210/wil_crash_dump.c @@ -72,6 +72,15 @@ int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size) return -EINVAL; } + set_bit(wil_status_collecting_dumps, wil->status); + if (test_bit(wil_status_suspending, wil->status) || + test_bit(wil_status_suspended, wil->status) || + test_bit(wil_status_resetting, wil->status)) { + wil_err(wil, "cannot collect fw dump during suspend/reset\n"); + clear_bit(wil_status_collecting_dumps, wil->status); + return -EINVAL; + } + /* copy to crash dump area */ for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) { map = &fw_mapping[i]; @@ -91,6 +100,8 @@ int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size) (const void __iomem * __force)data, len); } + clear_bit(wil_status_collecting_dumps, wil->status); + return 0; } diff --git a/drivers/net/wireless/ath/wil6210/wil_platform.h b/drivers/net/wireless/ath/wil6210/wil_platform.h index 5d9e4bfcb045..177026e5323b 100644 --- a/drivers/net/wireless/ath/wil6210/wil_platform.h +++ b/drivers/net/wireless/ath/wil6210/wil_platform.h @@ -27,6 +27,18 @@ enum wil_platform_event { WIL_PLATFORM_EVT_POST_SUSPEND = 4, }; +enum wil_platform_features { + WIL_PLATFORM_FEATURE_FW_EXT_CLK_CONTROL = 0, + WIL_PLATFORM_FEATURE_MAX, +}; + +enum wil_platform_capa { + WIL_PLATFORM_CAPA_RADIO_ON_IN_SUSPEND = 0, + WIL_PLATFORM_CAPA_T_PWR_ON_0 = 1, + WIL_PLATFORM_CAPA_EXT_CLK = 2, + WIL_PLATFORM_CAPA_MAX, +}; + /** * struct wil_platform_ops - wil platform module calls from this * driver to platform driver @@ -37,7 +49,8 @@ struct wil_platform_ops { int (*resume)(void *handle, bool device_powered_on); void (*uninit)(void *handle); int (*notify)(void *handle, enum wil_platform_event evt); - bool (*keep_radio_on_during_sleep)(void *handle); + int (*get_capa)(void *handle); + void (*set_features)(void *handle, int features); }; /** diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index ffdd2fa401b1..b31e2514f8c2 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -38,6 +39,7 @@ MODULE_PARM_DESC(led_id, " 60G device led enablement. Set the led ID (0-2) to enable"); #define WIL_WAIT_FOR_SUSPEND_RESUME_COMP 200 +#define WIL_WMI_CALL_GENERAL_TO_MS 100 /** * WMI event receiving - theory of operations @@ -69,23 +71,23 @@ MODULE_PARM_DESC(led_id, * On the PCI bus, there is one BAR (BAR0) of 2Mb size, exposing * AHB addresses starting from 0x880000 * - * Internally, firmware uses addresses that allows faster access but + * Internally, firmware uses addresses that allow faster access but * are invisible from the host. To read from these addresses, alternative * AHB address must be used. - * - * Memory mapping - * Linker address PCI/Host address - * 0x880000 .. 0xa80000 2Mb BAR0 - * 0x800000 .. 0x807000 0x900000 .. 0x907000 28k DCCM - * 0x840000 .. 0x857000 0x908000 .. 0x91f000 92k PERIPH */ /** - * @fw_mapping provides memory remapping table + * @sparrow_fw_mapping provides memory remapping table for sparrow * * array size should be in sync with the declaration in the wil6210.h + * + * Sparrow memory mapping: + * Linker address PCI/Host address + * 0x880000 .. 0xa80000 2Mb BAR0 + * 0x800000 .. 0x808000 0x900000 .. 0x908000 32k DCCM + * 0x840000 .. 0x860000 0x908000 .. 0x928000 128k PERIPH */ -const struct fw_map fw_mapping[] = { +const struct fw_map sparrow_fw_mapping[] = { /* FW code RAM 256k */ {0x000000, 0x040000, 0x8c0000, "fw_code", true}, /* FW data RAM 32k */ @@ -111,6 +113,59 @@ const struct fw_map fw_mapping[] = { {0x800000, 0x804000, 0x940000, "uc_data", false}, }; +/** + * @sparrow_d0_mac_rgf_ext - mac_rgf_ext section for Sparrow D0 + * it is a bit larger to support extra features + */ +const struct fw_map sparrow_d0_mac_rgf_ext = { + 0x88c000, 0x88c500, 0x88c000, "mac_rgf_ext", true +}; + +/** + * @talyn_fw_mapping provides memory remapping table for Talyn + * + * array size should be in sync with the declaration in the wil6210.h + * + * Talyn memory mapping: + * Linker address PCI/Host address + * 0x880000 .. 0xc80000 4Mb BAR0 + * 0x800000 .. 0x820000 0xa00000 .. 0xa20000 128k DCCM + * 0x840000 .. 0x858000 0xa20000 .. 0xa38000 96k PERIPH + */ +const struct fw_map talyn_fw_mapping[] = { + /* FW code RAM 1M */ + {0x000000, 0x100000, 0x900000, "fw_code", true}, + /* FW data RAM 128k */ + {0x800000, 0x820000, 0xa00000, "fw_data", true}, + /* periph. data RAM 96k */ + {0x840000, 0x858000, 0xa20000, "fw_peri", true}, + /* various RGF 40k */ + {0x880000, 0x88a000, 0x880000, "rgf", true}, + /* AGC table 4k */ + {0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true}, + /* Pcie_ext_rgf 4k */ + {0x88b000, 0x88c000, 0x88b000, "rgf_ext", true}, + /* mac_ext_rgf 1344b */ + {0x88c000, 0x88c540, 0x88c000, "mac_rgf_ext", true}, + /* ext USER RGF 4k */ + {0x88d000, 0x88e000, 0x88d000, "ext_user_rgf", true}, + /* OTP 4k */ + {0x8a0000, 0x8a1000, 0x8a0000, "otp", true}, + /* DMA EXT RGF 64k */ + {0x8b0000, 0x8c0000, 0x8b0000, "dma_ext_rgf", true}, + /* upper area 1536k */ + {0x900000, 0xa80000, 0x900000, "upper", true}, + /* UCODE areas - accessible by debugfs blobs but not by + * wmi_addr_remap. UCODE areas MUST be added AFTER FW areas! + */ + /* ucode code RAM 256k */ + {0x000000, 0x040000, 0xa38000, "uc_code", false}, + /* ucode data RAM 32k */ + {0x800000, 0x808000, 0xa78000, "uc_data", false}, +}; + +struct fw_map fw_mapping[MAX_FW_MAPPING_TABLE_SIZE]; + struct blink_on_off_time led_blink_time[] = { {WIL_LED_BLINK_ON_SLOW_MS, WIL_LED_BLINK_OFF_SLOW_MS}, {WIL_LED_BLINK_ON_MED_MS, WIL_LED_BLINK_OFF_MED_MS}, @@ -138,15 +193,35 @@ static u32 wmi_addr_remap(u32 x) } /** + * find fw_mapping entry by section name + * @section - section name + * + * Return pointer to section or NULL if not found + */ +struct fw_map *wil_find_fw_mapping(const char *section) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) + if (fw_mapping[i].name && + !strcmp(section, fw_mapping[i].name)) + return &fw_mapping[i]; + + return NULL; +} + +/** * Check address validity for WMI buffer; remap if needed * @ptr - internal (linker) fw/ucode address + * @size - if non zero, validate the block does not + * exceed the device memory (bar) * * Valid buffer should be DWORD aligned * * return address for accessing buffer from the host; * if buffer is not valid, return NULL. */ -void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_) +void __iomem *wmi_buffer_block(struct wil6210_priv *wil, __le32 ptr_, u32 size) { u32 off; u32 ptr = le32_to_cpu(ptr_); @@ -161,10 +236,17 @@ void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_) off = HOSTADDR(ptr); if (off > wil->bar_size - 4) return NULL; + if (size && ((off + size > wil->bar_size) || (off + size < off))) + return NULL; return wil->csr + off; } +void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_) +{ + return wmi_buffer_block(wil, ptr_, 0); +} + /** * Check address validity */ @@ -198,6 +280,242 @@ int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr, return 0; } +static const char *cmdid2name(u16 cmdid) +{ + switch (cmdid) { + case WMI_NOTIFY_REQ_CMDID: + return "WMI_NOTIFY_REQ_CMD"; + case WMI_START_SCAN_CMDID: + return "WMI_START_SCAN_CMD"; + case WMI_CONNECT_CMDID: + return "WMI_CONNECT_CMD"; + case WMI_DISCONNECT_CMDID: + return "WMI_DISCONNECT_CMD"; + case WMI_SW_TX_REQ_CMDID: + return "WMI_SW_TX_REQ_CMD"; + case WMI_GET_RF_SECTOR_PARAMS_CMDID: + return "WMI_GET_RF_SECTOR_PARAMS_CMD"; + case WMI_SET_RF_SECTOR_PARAMS_CMDID: + return "WMI_SET_RF_SECTOR_PARAMS_CMD"; + case WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID: + return "WMI_GET_SELECTED_RF_SECTOR_INDEX_CMD"; + case WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID: + return "WMI_SET_SELECTED_RF_SECTOR_INDEX_CMD"; + case WMI_BRP_SET_ANT_LIMIT_CMDID: + return "WMI_BRP_SET_ANT_LIMIT_CMD"; + case WMI_TOF_SESSION_START_CMDID: + return "WMI_TOF_SESSION_START_CMD"; + case WMI_AOA_MEAS_CMDID: + return "WMI_AOA_MEAS_CMD"; + case WMI_PMC_CMDID: + return "WMI_PMC_CMD"; + case WMI_TOF_GET_TX_RX_OFFSET_CMDID: + return "WMI_TOF_GET_TX_RX_OFFSET_CMD"; + case WMI_TOF_SET_TX_RX_OFFSET_CMDID: + return "WMI_TOF_SET_TX_RX_OFFSET_CMD"; + case WMI_VRING_CFG_CMDID: + return "WMI_VRING_CFG_CMD"; + case WMI_BCAST_VRING_CFG_CMDID: + return "WMI_BCAST_VRING_CFG_CMD"; + case WMI_TRAFFIC_SUSPEND_CMDID: + return "WMI_TRAFFIC_SUSPEND_CMD"; + case WMI_TRAFFIC_RESUME_CMDID: + return "WMI_TRAFFIC_RESUME_CMD"; + case WMI_ECHO_CMDID: + return "WMI_ECHO_CMD"; + case WMI_SET_MAC_ADDRESS_CMDID: + return "WMI_SET_MAC_ADDRESS_CMD"; + case WMI_LED_CFG_CMDID: + return "WMI_LED_CFG_CMD"; + case WMI_PCP_START_CMDID: + return "WMI_PCP_START_CMD"; + case WMI_PCP_STOP_CMDID: + return "WMI_PCP_STOP_CMD"; + case WMI_SET_SSID_CMDID: + return "WMI_SET_SSID_CMD"; + case WMI_GET_SSID_CMDID: + return "WMI_GET_SSID_CMD"; + case WMI_SET_PCP_CHANNEL_CMDID: + return "WMI_SET_PCP_CHANNEL_CMD"; + case WMI_GET_PCP_CHANNEL_CMDID: + return "WMI_GET_PCP_CHANNEL_CMD"; + case WMI_P2P_CFG_CMDID: + return "WMI_P2P_CFG_CMD"; + case WMI_START_LISTEN_CMDID: + return "WMI_START_LISTEN_CMD"; + case WMI_START_SEARCH_CMDID: + return "WMI_START_SEARCH_CMD"; + case WMI_DISCOVERY_STOP_CMDID: + return "WMI_DISCOVERY_STOP_CMD"; + case WMI_DELETE_CIPHER_KEY_CMDID: + return "WMI_DELETE_CIPHER_KEY_CMD"; + case WMI_ADD_CIPHER_KEY_CMDID: + return "WMI_ADD_CIPHER_KEY_CMD"; + case WMI_SET_APPIE_CMDID: + return "WMI_SET_APPIE_CMD"; + case WMI_CFG_RX_CHAIN_CMDID: + return "WMI_CFG_RX_CHAIN_CMD"; + case WMI_TEMP_SENSE_CMDID: + return "WMI_TEMP_SENSE_CMD"; + case WMI_DEL_STA_CMDID: + return "WMI_DEL_STA_CMD"; + case WMI_DISCONNECT_STA_CMDID: + return "WMI_DISCONNECT_STA_CMD"; + case WMI_VRING_BA_EN_CMDID: + return "WMI_VRING_BA_EN_CMD"; + case WMI_VRING_BA_DIS_CMDID: + return "WMI_VRING_BA_DIS_CMD"; + case WMI_RCP_DELBA_CMDID: + return "WMI_RCP_DELBA_CMD"; + case WMI_RCP_ADDBA_RESP_CMDID: + return "WMI_RCP_ADDBA_RESP_CMD"; + case WMI_PS_DEV_PROFILE_CFG_CMDID: + return "WMI_PS_DEV_PROFILE_CFG_CMD"; + case WMI_SET_MGMT_RETRY_LIMIT_CMDID: + return "WMI_SET_MGMT_RETRY_LIMIT_CMD"; + case WMI_GET_MGMT_RETRY_LIMIT_CMDID: + return "WMI_GET_MGMT_RETRY_LIMIT_CMD"; + case WMI_ABORT_SCAN_CMDID: + return "WMI_ABORT_SCAN_CMD"; + case WMI_NEW_STA_CMDID: + return "WMI_NEW_STA_CMD"; + case WMI_SET_THERMAL_THROTTLING_CFG_CMDID: + return "WMI_SET_THERMAL_THROTTLING_CFG_CMD"; + case WMI_GET_THERMAL_THROTTLING_CFG_CMDID: + return "WMI_GET_THERMAL_THROTTLING_CFG_CMD"; + case WMI_LINK_MAINTAIN_CFG_WRITE_CMDID: + return "WMI_LINK_MAINTAIN_CFG_WRITE_CMD"; + case WMI_LO_POWER_CALIB_FROM_OTP_CMDID: + return "WMI_LO_POWER_CALIB_FROM_OTP_CMD"; + case WMI_START_SCHED_SCAN_CMDID: + return "WMI_START_SCHED_SCAN_CMD"; + case WMI_STOP_SCHED_SCAN_CMDID: + return "WMI_STOP_SCHED_SCAN_CMD"; + default: + return "Untracked CMD"; + } +} + +static const char *eventid2name(u16 eventid) +{ + switch (eventid) { + case WMI_NOTIFY_REQ_DONE_EVENTID: + return "WMI_NOTIFY_REQ_DONE_EVENT"; + case WMI_DISCONNECT_EVENTID: + return "WMI_DISCONNECT_EVENT"; + case WMI_SW_TX_COMPLETE_EVENTID: + return "WMI_SW_TX_COMPLETE_EVENT"; + case WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID: + return "WMI_GET_RF_SECTOR_PARAMS_DONE_EVENT"; + case WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID: + return "WMI_SET_RF_SECTOR_PARAMS_DONE_EVENT"; + case WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID: + return "WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENT"; + case WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID: + return "WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENT"; + case WMI_BRP_SET_ANT_LIMIT_EVENTID: + return "WMI_BRP_SET_ANT_LIMIT_EVENT"; + case WMI_FW_READY_EVENTID: + return "WMI_FW_READY_EVENT"; + case WMI_TRAFFIC_RESUME_EVENTID: + return "WMI_TRAFFIC_RESUME_EVENT"; + case WMI_TOF_GET_TX_RX_OFFSET_EVENTID: + return "WMI_TOF_GET_TX_RX_OFFSET_EVENT"; + case WMI_TOF_SET_TX_RX_OFFSET_EVENTID: + return "WMI_TOF_SET_TX_RX_OFFSET_EVENT"; + case WMI_VRING_CFG_DONE_EVENTID: + return "WMI_VRING_CFG_DONE_EVENT"; + case WMI_READY_EVENTID: + return "WMI_READY_EVENT"; + case WMI_RX_MGMT_PACKET_EVENTID: + return "WMI_RX_MGMT_PACKET_EVENT"; + case WMI_TX_MGMT_PACKET_EVENTID: + return "WMI_TX_MGMT_PACKET_EVENT"; + case WMI_SCAN_COMPLETE_EVENTID: + return "WMI_SCAN_COMPLETE_EVENT"; + case WMI_ACS_PASSIVE_SCAN_COMPLETE_EVENTID: + return "WMI_ACS_PASSIVE_SCAN_COMPLETE_EVENT"; + case WMI_CONNECT_EVENTID: + return "WMI_CONNECT_EVENT"; + case WMI_EAPOL_RX_EVENTID: + return "WMI_EAPOL_RX_EVENT"; + case WMI_BA_STATUS_EVENTID: + return "WMI_BA_STATUS_EVENT"; + case WMI_RCP_ADDBA_REQ_EVENTID: + return "WMI_RCP_ADDBA_REQ_EVENT"; + case WMI_DELBA_EVENTID: + return "WMI_DELBA_EVENT"; + case WMI_VRING_EN_EVENTID: + return "WMI_VRING_EN_EVENT"; + case WMI_DATA_PORT_OPEN_EVENTID: + return "WMI_DATA_PORT_OPEN_EVENT"; + case WMI_AOA_MEAS_EVENTID: + return "WMI_AOA_MEAS_EVENT"; + case WMI_TOF_SESSION_END_EVENTID: + return "WMI_TOF_SESSION_END_EVENT"; + case WMI_TOF_GET_CAPABILITIES_EVENTID: + return "WMI_TOF_GET_CAPABILITIES_EVENT"; + case WMI_TOF_SET_LCR_EVENTID: + return "WMI_TOF_SET_LCR_EVENT"; + case WMI_TOF_SET_LCI_EVENTID: + return "WMI_TOF_SET_LCI_EVENT"; + case WMI_TOF_FTM_PER_DEST_RES_EVENTID: + return "WMI_TOF_FTM_PER_DEST_RES_EVENT"; + case WMI_TOF_CHANNEL_INFO_EVENTID: + return "WMI_TOF_CHANNEL_INFO_EVENT"; + case WMI_TRAFFIC_SUSPEND_EVENTID: + return "WMI_TRAFFIC_SUSPEND_EVENT"; + case WMI_ECHO_RSP_EVENTID: + return "WMI_ECHO_RSP_EVENT"; + case WMI_LED_CFG_DONE_EVENTID: + return "WMI_LED_CFG_DONE_EVENT"; + case WMI_PCP_STARTED_EVENTID: + return "WMI_PCP_STARTED_EVENT"; + case WMI_PCP_STOPPED_EVENTID: + return "WMI_PCP_STOPPED_EVENT"; + case WMI_GET_SSID_EVENTID: + return "WMI_GET_SSID_EVENT"; + case WMI_GET_PCP_CHANNEL_EVENTID: + return "WMI_GET_PCP_CHANNEL_EVENT"; + case WMI_P2P_CFG_DONE_EVENTID: + return "WMI_P2P_CFG_DONE_EVENT"; + case WMI_LISTEN_STARTED_EVENTID: + return "WMI_LISTEN_STARTED_EVENT"; + case WMI_SEARCH_STARTED_EVENTID: + return "WMI_SEARCH_STARTED_EVENT"; + case WMI_DISCOVERY_STOPPED_EVENTID: + return "WMI_DISCOVERY_STOPPED_EVENT"; + case WMI_CFG_RX_CHAIN_DONE_EVENTID: + return "WMI_CFG_RX_CHAIN_DONE_EVENT"; + case WMI_TEMP_SENSE_DONE_EVENTID: + return "WMI_TEMP_SENSE_DONE_EVENT"; + case WMI_RCP_ADDBA_RESP_SENT_EVENTID: + return "WMI_RCP_ADDBA_RESP_SENT_EVENT"; + case WMI_PS_DEV_PROFILE_CFG_EVENTID: + return "WMI_PS_DEV_PROFILE_CFG_EVENT"; + case WMI_SET_MGMT_RETRY_LIMIT_EVENTID: + return "WMI_SET_MGMT_RETRY_LIMIT_EVENT"; + case WMI_GET_MGMT_RETRY_LIMIT_EVENTID: + return "WMI_GET_MGMT_RETRY_LIMIT_EVENT"; + case WMI_SET_THERMAL_THROTTLING_CFG_EVENTID: + return "WMI_SET_THERMAL_THROTTLING_CFG_EVENT"; + case WMI_GET_THERMAL_THROTTLING_CFG_EVENTID: + return "WMI_GET_THERMAL_THROTTLING_CFG_EVENT"; + case WMI_LINK_MAINTAIN_CFG_WRITE_DONE_EVENTID: + return "WMI_LINK_MAINTAIN_CFG_WRITE_DONE_EVENT"; + case WMI_LO_POWER_CALIB_FROM_OTP_EVENTID: + return "WMI_LO_POWER_CALIB_FROM_OTP_EVENT"; + case WMI_START_SCHED_SCAN_EVENTID: + return "WMI_START_SCHED_SCAN_EVENT"; + case WMI_STOP_SCHED_SCAN_EVENTID: + return "WMI_STOP_SCHED_SCAN_EVENT"; + case WMI_SCHED_SCAN_RESULT_EVENTID: + return "WMI_SCHED_SCAN_RESULT_EVENT"; + default: + return "Untracked EVENT"; + } +} + static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len) { struct { @@ -222,7 +540,7 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len) uint retry; int rc = 0; - if (sizeof(cmd) + len > r->entry_size) { + if (len > r->entry_size - sizeof(cmd)) { wil_err(wil, "WMI size too large: %d bytes, max is %d\n", (int)(sizeof(cmd) + len), r->entry_size); return -ERANGE; @@ -294,7 +612,8 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len) } cmd.hdr.seq = cpu_to_le16(++wil->wmi_seq); /* set command */ - wil_dbg_wmi(wil, "WMI command 0x%04x [%d]\n", cmdid, len); + wil_dbg_wmi(wil, "sending %s (0x%04x) [%d]\n", + cmdid2name(cmdid), cmdid, len); wil_hex_dump_wmi("Cmd ", DUMP_PREFIX_OFFSET, 16, 1, &cmd, sizeof(cmd), true); wil_hex_dump_wmi("cmd ", DUMP_PREFIX_OFFSET, 16, 1, buf, @@ -566,8 +885,6 @@ static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len) } } - /* FIXME FW can transmit only ucast frames to peer */ - /* FIXME real ring_id instead of hard coded 0 */ ether_addr_copy(wil->sta[evt->cid].addr, evt->bssid); wil->sta[evt->cid].status = wil_sta_conn_pending; @@ -830,6 +1147,75 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) spin_unlock_bh(&sta->tid_rx_lock); } +static void +wmi_evt_sched_scan_result(struct wil6210_priv *wil, int id, void *d, int len) +{ + struct wmi_sched_scan_result_event *data = d; + struct wiphy *wiphy = wil_to_wiphy(wil); + struct ieee80211_mgmt *rx_mgmt_frame = + (struct ieee80211_mgmt *)data->payload; + int flen = len - offsetof(struct wmi_sched_scan_result_event, payload); + int ch_no; + u32 freq; + struct ieee80211_channel *channel; + s32 signal; + __le16 fc; + u32 d_len; + struct cfg80211_bss *bss; + + if (flen < 0) { + wil_err(wil, "sched scan result event too short, len %d\n", + len); + return; + } + + d_len = le32_to_cpu(data->info.len); + if (d_len != flen) { + wil_err(wil, + "sched scan result length mismatch, d_len %d should be %d\n", + d_len, flen); + return; + } + + fc = rx_mgmt_frame->frame_control; + if (!ieee80211_is_probe_resp(fc)) { + wil_err(wil, "sched scan result invalid frame, fc 0x%04x\n", + fc); + return; + } + + ch_no = data->info.channel + 1; + freq = ieee80211_channel_to_frequency(ch_no, NL80211_BAND_60GHZ); + channel = ieee80211_get_channel(wiphy, freq); + if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) + signal = 100 * data->info.rssi; + else + signal = data->info.sqi; + + wil_dbg_wmi(wil, "sched scan result: channel %d MCS %d RSSI %d\n", + data->info.channel, data->info.mcs, data->info.rssi); + wil_dbg_wmi(wil, "len %d qid %d mid %d cid %d\n", + d_len, data->info.qid, data->info.mid, data->info.cid); + wil_hex_dump_wmi("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, rx_mgmt_frame, + d_len, true); + + if (!channel) { + wil_err(wil, "Frame on unsupported channel\n"); + return; + } + + bss = cfg80211_inform_bss_frame(wiphy, channel, rx_mgmt_frame, + d_len, signal, GFP_KERNEL); + if (bss) { + wil_dbg_wmi(wil, "Added BSS %pM\n", rx_mgmt_frame->bssid); + cfg80211_put_bss(wiphy, bss); + } else { + wil_err(wil, "cfg80211_inform_bss_frame() failed\n"); + } + + cfg80211_sched_scan_results(wiphy, 0); +} + /** * Some events are ignored for purpose; and need not be interpreted as * "unhandled events" @@ -857,6 +1243,7 @@ static const struct { {WMI_DELBA_EVENTID, wmi_evt_delba}, {WMI_VRING_EN_EVENTID, wmi_evt_vring_en}, {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_ignore}, + {WMI_SCHED_SCAN_RESULT_EVENTID, wmi_evt_sched_scan_result}, }; /* @@ -963,8 +1350,8 @@ void wmi_recv_cmd(struct wil6210_priv *wil) } spin_unlock_irqrestore(&wil->wmi_ev_lock, flags); - wil_dbg_wmi(wil, "WMI event 0x%04x MID %d @%d msec\n", - id, wmi->mid, tstamp); + wil_dbg_wmi(wil, "recv %s (0x%04x) MID %d @%d msec\n", + eventid2name(id), id, wmi->mid, tstamp); trace_wil6210_wmi_event(wmi, &wmi[1], len - sizeof(*wmi)); } @@ -1380,8 +1767,14 @@ int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie) }; int rc; u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len; - struct wmi_set_appie_cmd *cmd = kzalloc(len, GFP_KERNEL); + struct wmi_set_appie_cmd *cmd; + + if (len < ie_len) { + rc = -EINVAL; + goto out; + } + cmd = kzalloc(len, GFP_KERNEL); if (!cmd) { rc = -ENOMEM; goto out; @@ -1461,7 +1854,7 @@ int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring) int rc; if (wdev->iftype == NL80211_IFTYPE_MONITOR) { - struct ieee80211_channel *ch = wdev->preset_chandef.chan; + struct ieee80211_channel *ch = wil->monitor_chandef.chan; cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON); if (ch) @@ -1801,6 +2194,16 @@ void wmi_event_flush(struct wil6210_priv *wil) spin_unlock_irqrestore(&wil->wmi_ev_lock, flags); } +static const char *suspend_status2name(u8 status) +{ + switch (status) { + case WMI_TRAFFIC_SUSPEND_REJECTED_LINK_NOT_IDLE: + return "LINK_NOT_IDLE"; + default: + return "Untracked status"; + } +} + int wmi_suspend(struct wil6210_priv *wil) { int rc; @@ -1816,7 +2219,7 @@ int wmi_suspend(struct wil6210_priv *wil) wil->suspend_resp_rcvd = false; wil->suspend_resp_comp = false; - reply.evt.status = WMI_TRAFFIC_SUSPEND_REJECTED; + reply.evt.status = WMI_TRAFFIC_SUSPEND_REJECTED_LINK_NOT_IDLE; rc = wmi_call(wil, WMI_TRAFFIC_SUSPEND_CMDID, &cmd, sizeof(cmd), WMI_TRAFFIC_SUSPEND_EVENTID, &reply, sizeof(reply), @@ -1848,8 +2251,9 @@ int wmi_suspend(struct wil6210_priv *wil) } wil_dbg_wmi(wil, "suspend_response_completed rcvd\n"); - if (reply.evt.status == WMI_TRAFFIC_SUSPEND_REJECTED) { - wil_dbg_pm(wil, "device rejected the suspend\n"); + if (reply.evt.status != WMI_TRAFFIC_SUSPEND_APPROVED) { + wil_dbg_pm(wil, "device rejected the suspend, %s\n", + suspend_status2name(reply.evt.status)); wil->suspend_stats.rejected_by_device++; } rc = reply.evt.status; @@ -1861,21 +2265,50 @@ out: return rc; } +static void resume_triggers2string(u32 triggers, char *string, int str_size) +{ + string[0] = '\0'; + + if (!triggers) { + strlcat(string, " UNKNOWN", str_size); + return; + } + + if (triggers & WMI_RESUME_TRIGGER_HOST) + strlcat(string, " HOST", str_size); + + if (triggers & WMI_RESUME_TRIGGER_UCAST_RX) + strlcat(string, " UCAST_RX", str_size); + + if (triggers & WMI_RESUME_TRIGGER_BCAST_RX) + strlcat(string, " BCAST_RX", str_size); + + if (triggers & WMI_RESUME_TRIGGER_WMI_EVT) + strlcat(string, " WMI_EVT", str_size); +} + int wmi_resume(struct wil6210_priv *wil) { int rc; + char string[100]; struct { struct wmi_cmd_hdr wmi; struct wmi_traffic_resume_event evt; } __packed reply; reply.evt.status = WMI_TRAFFIC_RESUME_FAILED; + reply.evt.resume_triggers = WMI_RESUME_TRIGGER_UNKNOWN; rc = wmi_call(wil, WMI_TRAFFIC_RESUME_CMDID, NULL, 0, WMI_TRAFFIC_RESUME_EVENTID, &reply, sizeof(reply), WIL_WAIT_FOR_SUSPEND_RESUME_COMP); if (rc) return rc; + resume_triggers2string(le32_to_cpu(reply.evt.resume_triggers), string, + sizeof(string)); + wil_dbg_pm(wil, "device resume %s, resume triggers:%s (0x%x)\n", + reply.evt.status ? "failed" : "passed", string, + le32_to_cpu(reply.evt.resume_triggers)); return reply.evt.status; } @@ -1906,8 +2339,8 @@ static void wmi_event_handle(struct wil6210_priv *wil, void *evt_data = (void *)(&wmi[1]); u16 id = le16_to_cpu(wmi->command_id); - wil_dbg_wmi(wil, "Handle WMI 0x%04x (reply_id 0x%04x)\n", - id, wil->reply_id); + wil_dbg_wmi(wil, "Handle %s (0x%04x) (reply_id 0x%04x)\n", + eventid2name(id), id, wil->reply_id); /* check if someone waits for this event */ if (wil->reply_id && wil->reply_id == id) { WARN_ON(wil->reply_buf); @@ -2002,3 +2435,159 @@ out: spin_unlock_irqrestore(&wil->wmi_ev_lock, flags); return rc; } + +static void +wmi_sched_scan_set_ssids(struct wil6210_priv *wil, + struct wmi_start_sched_scan_cmd *cmd, + struct cfg80211_ssid *ssids, int n_ssids, + struct cfg80211_match_set *match_sets, + int n_match_sets) +{ + int i; + + if (n_match_sets > WMI_MAX_PNO_SSID_NUM) { + wil_dbg_wmi(wil, "too many match sets (%d), use first %d\n", + n_match_sets, WMI_MAX_PNO_SSID_NUM); + n_match_sets = WMI_MAX_PNO_SSID_NUM; + } + cmd->num_of_ssids = n_match_sets; + + for (i = 0; i < n_match_sets; i++) { + struct wmi_sched_scan_ssid_match *wmi_match = + &cmd->ssid_for_match[i]; + struct cfg80211_match_set *cfg_match = &match_sets[i]; + int j; + + wmi_match->ssid_len = cfg_match->ssid.ssid_len; + memcpy(wmi_match->ssid, cfg_match->ssid.ssid, + min_t(u8, wmi_match->ssid_len, WMI_MAX_SSID_LEN)); + wmi_match->rssi_threshold = S8_MIN; + if (cfg_match->rssi_thold >= S8_MIN && + cfg_match->rssi_thold <= S8_MAX) + wmi_match->rssi_threshold = cfg_match->rssi_thold; + + for (j = 0; j < n_ssids; j++) + if (wmi_match->ssid_len == ssids[j].ssid_len && + memcmp(wmi_match->ssid, ssids[j].ssid, + wmi_match->ssid_len) == 0) + wmi_match->add_ssid_to_probe = true; + } +} + +static void +wmi_sched_scan_set_channels(struct wil6210_priv *wil, + struct wmi_start_sched_scan_cmd *cmd, + u32 n_channels, + struct ieee80211_channel **channels) +{ + int i; + + if (n_channels > WMI_MAX_CHANNEL_NUM) { + wil_dbg_wmi(wil, "too many channels (%d), use first %d\n", + n_channels, WMI_MAX_CHANNEL_NUM); + n_channels = WMI_MAX_CHANNEL_NUM; + } + cmd->num_of_channels = n_channels; + + for (i = 0; i < n_channels; i++) { + struct ieee80211_channel *cfg_chan = channels[i]; + + cmd->channel_list[i] = cfg_chan->hw_value - 1; + } +} + +static void +wmi_sched_scan_set_plans(struct wil6210_priv *wil, + struct wmi_start_sched_scan_cmd *cmd, + struct cfg80211_sched_scan_plan *scan_plans, + int n_scan_plans) +{ + int i; + + if (n_scan_plans > WMI_MAX_PLANS_NUM) { + wil_dbg_wmi(wil, "too many plans (%d), use first %d\n", + n_scan_plans, WMI_MAX_PLANS_NUM); + n_scan_plans = WMI_MAX_PLANS_NUM; + } + + for (i = 0; i < n_scan_plans; i++) { + struct cfg80211_sched_scan_plan *cfg_plan = &scan_plans[i]; + + cmd->scan_plans[i].interval_sec = + cpu_to_le16(cfg_plan->interval); + cmd->scan_plans[i].num_of_iterations = + cpu_to_le16(cfg_plan->iterations); + } +} + +int wmi_start_sched_scan(struct wil6210_priv *wil, + struct cfg80211_sched_scan_request *request) +{ + int rc; + struct wmi_start_sched_scan_cmd cmd = { + .min_rssi_threshold = S8_MIN, + .initial_delay_sec = cpu_to_le16(request->delay), + }; + struct { + struct wmi_cmd_hdr wmi; + struct wmi_start_sched_scan_event evt; + } __packed reply; + + if (!test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) + return -ENOTSUPP; + + if (request->min_rssi_thold >= S8_MIN && + request->min_rssi_thold <= S8_MAX) + cmd.min_rssi_threshold = request->min_rssi_thold; + + wmi_sched_scan_set_ssids(wil, &cmd, request->ssids, request->n_ssids, + request->match_sets, request->n_match_sets); + wmi_sched_scan_set_channels(wil, &cmd, + request->n_channels, request->channels); + wmi_sched_scan_set_plans(wil, &cmd, + request->scan_plans, request->n_scan_plans); + + reply.evt.result = WMI_PNO_REJECT; + + rc = wmi_call(wil, WMI_START_SCHED_SCAN_CMDID, &cmd, sizeof(cmd), + WMI_START_SCHED_SCAN_EVENTID, &reply, sizeof(reply), + WIL_WMI_CALL_GENERAL_TO_MS); + if (rc) + return rc; + + if (reply.evt.result != WMI_PNO_SUCCESS) { + wil_err(wil, "start sched scan failed, result %d\n", + reply.evt.result); + return -EINVAL; + } + + return 0; +} + +int wmi_stop_sched_scan(struct wil6210_priv *wil) +{ + int rc; + struct { + struct wmi_cmd_hdr wmi; + struct wmi_stop_sched_scan_event evt; + } __packed reply; + + if (!test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) + return -ENOTSUPP; + + reply.evt.result = WMI_PNO_REJECT; + + rc = wmi_call(wil, WMI_STOP_SCHED_SCAN_CMDID, NULL, 0, + WMI_STOP_SCHED_SCAN_EVENTID, &reply, sizeof(reply), + WIL_WMI_CALL_GENERAL_TO_MS); + if (rc) + return rc; + + if (reply.evt.result != WMI_PNO_SUCCESS) { + wil_err(wil, "stop sched scan failed, result %d\n", + reply.evt.result); + return -EINVAL; + } + + return 0; +} diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index 5263ee717a4f..d3e75f0ff245 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -71,6 +71,8 @@ enum wmi_fw_capability { WMI_FW_CAPABILITY_RSSI_REPORTING = 12, WMI_FW_CAPABILITY_SET_SILENT_RSSI_TABLE = 13, WMI_FW_CAPABILITY_LO_POWER_CALIB_FROM_OTP = 14, + WMI_FW_CAPABILITY_PNO = 15, + WMI_FW_CAPABILITY_REF_CLOCK_CONTROL = 18, WMI_FW_CAPABILITY_MAX, }; @@ -87,6 +89,8 @@ enum wmi_command_id { WMI_CONNECT_CMDID = 0x01, WMI_DISCONNECT_CMDID = 0x03, WMI_DISCONNECT_STA_CMDID = 0x04, + WMI_START_SCHED_SCAN_CMDID = 0x05, + WMI_STOP_SCHED_SCAN_CMDID = 0x06, WMI_START_SCAN_CMDID = 0x07, WMI_SET_BSS_FILTER_CMDID = 0x09, WMI_SET_PROBED_SSID_CMDID = 0x0A, @@ -385,6 +389,38 @@ struct wmi_start_scan_cmd { } channel_list[0]; } __packed; +#define WMI_MAX_PNO_SSID_NUM (16) +#define WMI_MAX_CHANNEL_NUM (6) +#define WMI_MAX_PLANS_NUM (2) + +/* WMI_START_SCHED_SCAN_CMDID */ +struct wmi_sched_scan_ssid_match { + u8 ssid_len; + u8 ssid[WMI_MAX_SSID_LEN]; + s8 rssi_threshold; + /* boolean */ + u8 add_ssid_to_probe; + u8 reserved; +} __packed; + +/* WMI_START_SCHED_SCAN_CMDID */ +struct wmi_sched_scan_plan { + __le16 interval_sec; + __le16 num_of_iterations; +} __packed; + +/* WMI_START_SCHED_SCAN_CMDID */ +struct wmi_start_sched_scan_cmd { + struct wmi_sched_scan_ssid_match ssid_for_match[WMI_MAX_PNO_SSID_NUM]; + u8 num_of_ssids; + s8 min_rssi_threshold; + u8 channel_list[WMI_MAX_CHANNEL_NUM]; + u8 num_of_channels; + u8 reserved; + __le16 initial_delay_sec; + struct wmi_sched_scan_plan scan_plans[WMI_MAX_PLANS_NUM]; +} __packed; + /* WMI_SET_PROBED_SSID_CMDID */ #define MAX_PROBED_SSID_INDEX (3) @@ -1238,6 +1274,9 @@ enum wmi_event_id { WMI_READY_EVENTID = 0x1001, WMI_CONNECT_EVENTID = 0x1002, WMI_DISCONNECT_EVENTID = 0x1003, + WMI_START_SCHED_SCAN_EVENTID = 0x1005, + WMI_STOP_SCHED_SCAN_EVENTID = 0x1006, + WMI_SCHED_SCAN_RESULT_EVENTID = 0x1007, WMI_SCAN_COMPLETE_EVENTID = 0x100A, WMI_REPORT_STATISTICS_EVENTID = 0x100B, WMI_RD_MEM_RSP_EVENTID = 0x1800, @@ -1600,6 +1639,49 @@ struct wmi_scan_complete_event { __le32 status; } __packed; +/* wmi_rx_mgmt_info */ +struct wmi_rx_mgmt_info { + u8 mcs; + s8 rssi; + u8 range; + u8 sqi; + __le16 stype; + __le16 status; + __le32 len; + /* Not resolved when == 0xFFFFFFFF == > Broadcast to all MIDS */ + u8 qid; + /* Not resolved when == 0xFFFFFFFF == > Broadcast to all MIDS */ + u8 mid; + u8 cid; + /* From Radio MNGR */ + u8 channel; +} __packed; + +/* WMI_START_SCHED_SCAN_EVENTID */ +enum wmi_pno_result { + WMI_PNO_SUCCESS = 0x00, + WMI_PNO_REJECT = 0x01, + WMI_PNO_INVALID_PARAMETERS = 0x02, + WMI_PNO_NOT_ENABLED = 0x03, +}; + +struct wmi_start_sched_scan_event { + /* pno_result */ + u8 result; + u8 reserved[3]; +} __packed; + +struct wmi_stop_sched_scan_event { + /* pno_result */ + u8 result; + u8 reserved[3]; +} __packed; + +struct wmi_sched_scan_result_event { + struct wmi_rx_mgmt_info info; + u8 payload[0]; +} __packed; + /* WMI_ACS_PASSIVE_SCAN_COMPLETE_EVENT */ enum wmi_acs_info_bitmask { WMI_ACS_INFO_BITMASK_BEACON_FOUND = 0x01, @@ -1814,24 +1896,6 @@ struct wmi_get_ssid_event { u8 ssid[WMI_MAX_SSID_LEN]; } __packed; -/* wmi_rx_mgmt_info */ -struct wmi_rx_mgmt_info { - u8 mcs; - s8 rssi; - u8 range; - u8 sqi; - __le16 stype; - __le16 status; - __le32 len; - /* Not resolved when == 0xFFFFFFFF == > Broadcast to all MIDS */ - u8 qid; - /* Not resolved when == 0xFFFFFFFF == > Broadcast to all MIDS */ - u8 mid; - u8 cid; - /* From Radio MNGR */ - u8 channel; -} __packed; - /* EVENT: WMI_RF_XPM_READ_RESULT_EVENTID */ struct wmi_rf_xpm_read_result_event { /* enum wmi_fw_status_e - success=0 or fail=1 */ @@ -2267,8 +2331,8 @@ struct wmi_link_maintain_cfg_read_done_event { } __packed; enum wmi_traffic_suspend_status { - WMI_TRAFFIC_SUSPEND_APPROVED = 0x0, - WMI_TRAFFIC_SUSPEND_REJECTED = 0x1, + WMI_TRAFFIC_SUSPEND_APPROVED = 0x0, + WMI_TRAFFIC_SUSPEND_REJECTED_LINK_NOT_IDLE = 0x1, }; /* WMI_TRAFFIC_SUSPEND_EVENTID */ @@ -2282,10 +2346,21 @@ enum wmi_traffic_resume_status { WMI_TRAFFIC_RESUME_FAILED = 0x1, }; +enum wmi_resume_trigger { + WMI_RESUME_TRIGGER_UNKNOWN = 0x0, + WMI_RESUME_TRIGGER_HOST = 0x1, + WMI_RESUME_TRIGGER_UCAST_RX = 0x2, + WMI_RESUME_TRIGGER_BCAST_RX = 0x4, + WMI_RESUME_TRIGGER_WMI_EVT = 0x8, +}; + /* WMI_TRAFFIC_RESUME_EVENTID */ struct wmi_traffic_resume_event { - /* enum wmi_traffic_resume_status_e */ + /* enum wmi_traffic_resume_status */ u8 status; + u8 reserved[3]; + /* enum wmi_resume_trigger bitmap */ + __le32 resume_triggers; } __packed; /* Power Save command completion status codes */ |