diff options
Diffstat (limited to 'drivers/staging/wfx/debug.c')
| -rw-r--r-- | drivers/staging/wfx/debug.c | 365 |
1 files changed, 0 insertions, 365 deletions
diff --git a/drivers/staging/wfx/debug.c b/drivers/staging/wfx/debug.c deleted file mode 100644 index 9f93268a3202..000000000000 --- a/drivers/staging/wfx/debug.c +++ /dev/null @@ -1,365 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Debugfs interface. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include <linux/crc32.h> - -#include "debug.h" -#include "wfx.h" -#include "sta.h" -#include "main.h" -#include "hif_tx.h" -#include "hif_tx_mib.h" - -#define CREATE_TRACE_POINTS -#include "traces.h" - -static const struct trace_print_flags hif_msg_print_map[] = { - hif_msg_list, -}; - -static const struct trace_print_flags hif_mib_print_map[] = { - hif_mib_list, -}; - -static const struct trace_print_flags wfx_reg_print_map[] = { - wfx_reg_list, -}; - -static const char *get_symbol(unsigned long val, - const struct trace_print_flags *symbol_array) -{ - int i; - - for (i = 0; symbol_array[i].mask != -1; i++) { - if (val == symbol_array[i].mask) - return symbol_array[i].name; - } - - return "unknown"; -} - -const char *get_hif_name(unsigned long id) -{ - return get_symbol(id, hif_msg_print_map); -} - -const char *get_mib_name(unsigned long id) -{ - return get_symbol(id, hif_mib_print_map); -} - -const char *get_reg_name(unsigned long id) -{ - return get_symbol(id, wfx_reg_print_map); -} - -static int wfx_counters_show(struct seq_file *seq, void *v) -{ - int ret, i; - struct wfx_dev *wdev = seq->private; - struct hif_mib_extended_count_table counters[3]; - - for (i = 0; i < ARRAY_SIZE(counters); i++) { - ret = hif_get_counters_table(wdev, i, counters + i); - if (ret < 0) - return ret; - if (ret > 0) - return -EIO; - } - - seq_printf(seq, "%-24s %12s %12s %12s\n", - "", "global", "iface 0", "iface 1"); - -#define PUT_COUNTER(name) \ - seq_printf(seq, "%-24s %12d %12d %12d\n", #name, \ - le32_to_cpu(counters[2].count_##name), \ - le32_to_cpu(counters[0].count_##name), \ - le32_to_cpu(counters[1].count_##name)) - - PUT_COUNTER(tx_frames); - PUT_COUNTER(tx_frames_multicast); - PUT_COUNTER(tx_frames_success); - PUT_COUNTER(tx_frames_retried); - PUT_COUNTER(tx_frames_multi_retried); - PUT_COUNTER(tx_frames_failed); - - PUT_COUNTER(ack_failed); - PUT_COUNTER(rts_success); - PUT_COUNTER(rts_failed); - - PUT_COUNTER(rx_frames); - PUT_COUNTER(rx_frames_multicast); - PUT_COUNTER(rx_frames_success); - PUT_COUNTER(rx_frames_failed); - PUT_COUNTER(drop_plcp); - PUT_COUNTER(drop_fcs); - PUT_COUNTER(drop_no_key); - PUT_COUNTER(drop_decryption); - PUT_COUNTER(drop_tkip_mic); - PUT_COUNTER(drop_bip_mic); - PUT_COUNTER(drop_cmac_icv); - PUT_COUNTER(drop_cmac_replay); - PUT_COUNTER(drop_ccmp_replay); - PUT_COUNTER(drop_duplicate); - - PUT_COUNTER(rx_bcn_miss); - PUT_COUNTER(rx_bcn_success); - PUT_COUNTER(rx_bcn_dtim); - PUT_COUNTER(rx_bcn_dtim_aid0_clr); - PUT_COUNTER(rx_bcn_dtim_aid0_set); - -#undef PUT_COUNTER - - for (i = 0; i < ARRAY_SIZE(counters[0].reserved); i++) - seq_printf(seq, "reserved[%02d]%12s %12d %12d %12d\n", i, "", - le32_to_cpu(counters[2].reserved[i]), - le32_to_cpu(counters[0].reserved[i]), - le32_to_cpu(counters[1].reserved[i])); - - return 0; -} -DEFINE_SHOW_ATTRIBUTE(wfx_counters); - -static const char * const channel_names[] = { - [0] = "1M", - [1] = "2M", - [2] = "5.5M", - [3] = "11M", - /* Entries 4 and 5 does not exist */ - [6] = "6M", - [7] = "9M", - [8] = "12M", - [9] = "18M", - [10] = "24M", - [11] = "36M", - [12] = "48M", - [13] = "54M", - [14] = "MCS0", - [15] = "MCS1", - [16] = "MCS2", - [17] = "MCS3", - [18] = "MCS4", - [19] = "MCS5", - [20] = "MCS6", - [21] = "MCS7", -}; - -static int wfx_rx_stats_show(struct seq_file *seq, void *v) -{ - struct wfx_dev *wdev = seq->private; - struct hif_rx_stats *st = &wdev->rx_stats; - int i; - - mutex_lock(&wdev->rx_stats_lock); - seq_printf(seq, "Timestamp: %dus\n", st->date); - seq_printf(seq, "Low power clock: frequency %uHz, external %s\n", - le32_to_cpu(st->pwr_clk_freq), - st->is_ext_pwr_clk ? "yes" : "no"); - seq_printf(seq, - "Num. of frames: %d, PER (x10e4): %d, Throughput: %dKbps/s\n", - st->nb_rx_frame, st->per_total, st->throughput); - seq_puts(seq, " Num. of PER RSSI SNR CFO\n"); - seq_puts(seq, " frames (x10e4) (dBm) (dB) (kHz)\n"); - for (i = 0; i < ARRAY_SIZE(channel_names); i++) { - if (channel_names[i]) - seq_printf(seq, "%5s %8d %8d %8d %8d %8d\n", - channel_names[i], - le32_to_cpu(st->nb_rx_by_rate[i]), - le16_to_cpu(st->per[i]), - (s16)le16_to_cpu(st->rssi[i]) / 100, - (s16)le16_to_cpu(st->snr[i]) / 100, - (s16)le16_to_cpu(st->cfo[i])); - } - mutex_unlock(&wdev->rx_stats_lock); - - return 0; -} -DEFINE_SHOW_ATTRIBUTE(wfx_rx_stats); - -static int wfx_tx_power_loop_show(struct seq_file *seq, void *v) -{ - struct wfx_dev *wdev = seq->private; - struct hif_tx_power_loop_info *st = &wdev->tx_power_loop_info; - int tmp; - - mutex_lock(&wdev->tx_power_loop_info_lock); - tmp = le16_to_cpu(st->tx_gain_dig); - seq_printf(seq, "Tx gain digital: %d\n", tmp); - tmp = le16_to_cpu(st->tx_gain_pa); - seq_printf(seq, "Tx gain PA: %d\n", tmp); - tmp = (s16)le16_to_cpu(st->target_pout); - seq_printf(seq, "Target Pout: %d.%02d dBm\n", tmp / 4, (tmp % 4) * 25); - tmp = (s16)le16_to_cpu(st->p_estimation); - seq_printf(seq, "FEM Pout: %d.%02d dBm\n", tmp / 4, (tmp % 4) * 25); - tmp = le16_to_cpu(st->vpdet); - seq_printf(seq, "Vpdet: %d mV\n", tmp); - seq_printf(seq, "Measure index: %d\n", st->measurement_index); - mutex_unlock(&wdev->tx_power_loop_info_lock); - - return 0; -} -DEFINE_SHOW_ATTRIBUTE(wfx_tx_power_loop); - -static ssize_t wfx_send_pds_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct wfx_dev *wdev = file->private_data; - char *buf; - int ret; - - if (*ppos != 0) { - dev_dbg(wdev->dev, "PDS data must be written in one transaction"); - return -EBUSY; - } - buf = memdup_user(user_buf, count); - if (IS_ERR(buf)) - return PTR_ERR(buf); - *ppos = *ppos + count; - ret = wfx_send_pds(wdev, buf, count); - kfree(buf); - if (ret < 0) - return ret; - return count; -} - -static const struct file_operations wfx_send_pds_fops = { - .open = simple_open, - .write = wfx_send_pds_write, -}; - -struct dbgfs_hif_msg { - struct wfx_dev *wdev; - struct completion complete; - u8 reply[1024]; - int ret; -}; - -static ssize_t wfx_send_hif_msg_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct dbgfs_hif_msg *context = file->private_data; - struct wfx_dev *wdev = context->wdev; - struct hif_msg *request; - - if (completion_done(&context->complete)) { - dev_dbg(wdev->dev, "read previous result before start a new one\n"); - return -EBUSY; - } - if (count < sizeof(struct hif_msg)) - return -EINVAL; - - /* wfx_cmd_send() checks that reply buffer is wide enough, but does not - * return precise length read. User have to know how many bytes should - * be read. Filling reply buffer with a memory pattern may help user. - */ - memset(context->reply, 0xFF, sizeof(context->reply)); - request = memdup_user(user_buf, count); - if (IS_ERR(request)) - return PTR_ERR(request); - if (le16_to_cpu(request->len) != count) { - kfree(request); - return -EINVAL; - } - context->ret = wfx_cmd_send(wdev, request, context->reply, - sizeof(context->reply), false); - - kfree(request); - complete(&context->complete); - return count; -} - -static ssize_t wfx_send_hif_msg_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct dbgfs_hif_msg *context = file->private_data; - int ret; - - if (count > sizeof(context->reply)) - return -EINVAL; - ret = wait_for_completion_interruptible(&context->complete); - if (ret) - return ret; - if (context->ret < 0) - return context->ret; - /* Be careful, write() is waiting for a full message while read() - * only returns a payload - */ - if (copy_to_user(user_buf, context->reply, count)) - return -EFAULT; - - return count; -} - -static int wfx_send_hif_msg_open(struct inode *inode, struct file *file) -{ - struct dbgfs_hif_msg *context = kzalloc(sizeof(*context), GFP_KERNEL); - - if (!context) - return -ENOMEM; - context->wdev = inode->i_private; - init_completion(&context->complete); - file->private_data = context; - return 0; -} - -static int wfx_send_hif_msg_release(struct inode *inode, struct file *file) -{ - struct dbgfs_hif_msg *context = file->private_data; - - kfree(context); - return 0; -} - -static const struct file_operations wfx_send_hif_msg_fops = { - .open = wfx_send_hif_msg_open, - .release = wfx_send_hif_msg_release, - .write = wfx_send_hif_msg_write, - .read = wfx_send_hif_msg_read, -}; - -static int wfx_ps_timeout_set(void *data, u64 val) -{ - struct wfx_dev *wdev = (struct wfx_dev *)data; - struct wfx_vif *wvif; - - wdev->force_ps_timeout = val; - wvif = NULL; - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) - wfx_update_pm(wvif); - return 0; -} - -static int wfx_ps_timeout_get(void *data, u64 *val) -{ - struct wfx_dev *wdev = (struct wfx_dev *)data; - - *val = wdev->force_ps_timeout; - return 0; -} - -DEFINE_DEBUGFS_ATTRIBUTE(wfx_ps_timeout_fops, wfx_ps_timeout_get, wfx_ps_timeout_set, "%lld\n"); - -int wfx_debug_init(struct wfx_dev *wdev) -{ - struct dentry *d; - - d = debugfs_create_dir("wfx", wdev->hw->wiphy->debugfsdir); - debugfs_create_file("counters", 0444, d, wdev, &wfx_counters_fops); - debugfs_create_file("rx_stats", 0444, d, wdev, &wfx_rx_stats_fops); - debugfs_create_file("tx_power_loop", 0444, d, wdev, - &wfx_tx_power_loop_fops); - debugfs_create_file("send_pds", 0200, d, wdev, &wfx_send_pds_fops); - debugfs_create_file("send_hif_msg", 0600, d, wdev, - &wfx_send_hif_msg_fops); - debugfs_create_file("ps_timeout", 0600, d, wdev, &wfx_ps_timeout_fops); - - return 0; -} |