269 lines
11 KiB
C
269 lines
11 KiB
C
/*****************************************************************************
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(c) Cambridge Silicon Radio Limited 2011
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All rights reserved and confidential information of CSR
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Refer to LICENSE.txt included with this source for details
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on the license terms.
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*****************************************************************************/
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/*
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* ---------------------------------------------------------------------------
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* FILE: csr_wifi_hip_card_udi.c
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*
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* PURPOSE:
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* Maintain a list of callbacks to log UniFi exchanges to one or more
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* debug/monitoring client applications.
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*
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* NOTES:
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* Just call the UDI driver log fn directly for now.
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* When done properly, each open() on the UDI device will install
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* a log function. We will call all log fns whenever a signal is written
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* to or read form the UniFi.
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*
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* ---------------------------------------------------------------------------
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*/
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#include "csr_wifi_hip_unifi.h"
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#include "csr_wifi_hip_card.h"
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/*
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* ---------------------------------------------------------------------------
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* unifi_print_status
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*
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* Print status info to given character buffer.
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*
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* Arguments:
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* None.
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*
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* Returns:
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* None.
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* ---------------------------------------------------------------------------
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*/
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s32 unifi_print_status(card_t *card, char *str, s32 *remain)
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{
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char *p = str;
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sdio_config_data_t *cfg;
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u16 i, n;
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s32 remaining = *remain;
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s32 written;
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#ifdef CSR_UNSAFE_SDIO_ACCESS
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s32 iostate;
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CsrResult r;
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static const char *const states[] = {
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"AWAKE", "DROWSY", "TORPID"
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};
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#define SHARED_READ_RETRY_LIMIT 10
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u8 b;
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#endif
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if (remaining <= 0)
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{
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return 0;
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}
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i = n = 0;
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written = scnprintf(p, remaining, "Chip ID %u\n",
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(u16)card->chip_id);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "Chip Version %04X\n",
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card->chip_version);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "HIP v%u.%u\n",
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(card->config_data.version >> 8) & 0xFF,
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card->config_data.version & 0xFF);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "Build %u: %s\n",
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card->build_id, card->build_id_string);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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cfg = &card->config_data;
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written = scnprintf(p, remaining, "sdio ctrl offset %u\n",
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cfg->sdio_ctrl_offset);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "fromhost sigbuf handle %u\n",
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cfg->fromhost_sigbuf_handle);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "tohost_sigbuf_handle %u\n",
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cfg->tohost_sigbuf_handle);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "num_fromhost_sig_frags %u\n",
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cfg->num_fromhost_sig_frags);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "num_tohost_sig_frags %u\n",
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cfg->num_tohost_sig_frags);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "num_fromhost_data_slots %u\n",
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cfg->num_fromhost_data_slots);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "num_tohost_data_slots %u\n",
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cfg->num_tohost_data_slots);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "data_slot_size %u\n",
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cfg->data_slot_size);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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/* Added by protocol version 0x0001 */
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written = scnprintf(p, remaining, "overlay_size %u\n",
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(u16)cfg->overlay_size);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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/* Added by protocol version 0x0300 */
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written = scnprintf(p, remaining, "data_slot_round %u\n",
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cfg->data_slot_round);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "sig_frag_size %u\n",
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cfg->sig_frag_size);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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/* Added by protocol version 0x0300 */
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written = scnprintf(p, remaining, "tohost_sig_pad %u\n",
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cfg->tohost_signal_padding);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "\nInternal state:\n");
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "Last PHY PANIC: %04x:%04x\n",
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card->last_phy_panic_code, card->last_phy_panic_arg);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "Last MAC PANIC: %04x:%04x\n",
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card->last_mac_panic_code, card->last_mac_panic_arg);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "fhsr: %u\n",
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(u16)card->from_host_signals_r);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "fhsw: %u\n",
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(u16)card->from_host_signals_w);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "thsr: %u\n",
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(u16)card->to_host_signals_r);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "thsw: %u\n",
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(u16)card->to_host_signals_w);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining,
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"fh buffer contains: %d signals, %td bytes\n",
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card->fh_buffer.count,
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card->fh_buffer.ptr - card->fh_buffer.buf);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "paused: ");
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UNIFI_SNPRINTF_RET(p, remaining, written);
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for (i = 0; i < sizeof(card->tx_q_paused_flag) / sizeof(card->tx_q_paused_flag[0]); i++)
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{
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written = scnprintf(p, remaining, card->tx_q_paused_flag[i]?"1" : "0");
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UNIFI_SNPRINTF_RET(p, remaining, written);
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}
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written = scnprintf(p, remaining, "\n");
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining,
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"fh command q: %u waiting, %u free of %u:\n",
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CSR_WIFI_HIP_Q_SLOTS_USED(&card->fh_command_queue),
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CSR_WIFI_HIP_Q_SLOTS_FREE(&card->fh_command_queue),
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UNIFI_SOFT_COMMAND_Q_LENGTH);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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for (i = 0; i < UNIFI_NO_OF_TX_QS; i++)
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{
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written = scnprintf(p, remaining,
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"fh traffic q[%u]: %u waiting, %u free of %u:\n",
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i,
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CSR_WIFI_HIP_Q_SLOTS_USED(&card->fh_traffic_queue[i]),
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CSR_WIFI_HIP_Q_SLOTS_FREE(&card->fh_traffic_queue[i]),
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UNIFI_SOFT_TRAFFIC_Q_LENGTH);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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}
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written = scnprintf(p, remaining, "fh data slots free: %u\n",
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card->from_host_data?CardGetFreeFromHostDataSlots(card) : 0);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "From host data slots:");
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UNIFI_SNPRINTF_RET(p, remaining, written);
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n = card->config_data.num_fromhost_data_slots;
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for (i = 0; i < n && card->from_host_data; i++)
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{
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written = scnprintf(p, remaining, " %u",
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(u16)card->from_host_data[i].bd.data_length);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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}
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written = scnprintf(p, remaining, "\n");
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "To host data slots:");
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UNIFI_SNPRINTF_RET(p, remaining, written);
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n = card->config_data.num_tohost_data_slots;
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for (i = 0; i < n && card->to_host_data; i++)
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{
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written = scnprintf(p, remaining, " %u",
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(u16)card->to_host_data[i].data_length);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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}
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written = scnprintf(p, remaining, "\n");
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UNIFI_SNPRINTF_RET(p, remaining, written);
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#ifdef CSR_UNSAFE_SDIO_ACCESS
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written = scnprintf(p, remaining, "Host State: %s\n", states[card->host_state]);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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r = unifi_check_io_status(card, &iostate);
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if (iostate == 1)
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{
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written = scnprintf(p, remaining, "I/O Check: F1 disabled\n");
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UNIFI_SNPRINTF_RET(p, remaining, written);
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}
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else
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{
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if (iostate == 1)
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{
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written = scnprintf(p, remaining, "I/O Check: pending interrupt\n");
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UNIFI_SNPRINTF_RET(p, remaining, written);
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}
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written = scnprintf(p, remaining, "BH reason interrupt = %d\n",
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card->bh_reason_unifi);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "BH reason host = %d\n",
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card->bh_reason_host);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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for (i = 0; i < SHARED_READ_RETRY_LIMIT; i++)
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{
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r = unifi_read_8_or_16(card, card->sdio_ctrl_addr + 2, &b);
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if ((r == CSR_RESULT_SUCCESS) && (!(b & 0x80)))
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{
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written = scnprintf(p, remaining, "fhsr: %u (driver thinks is %u)\n",
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b, card->from_host_signals_r);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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break;
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}
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}
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iostate = unifi_read_shared_count(card, card->sdio_ctrl_addr + 4);
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written = scnprintf(p, remaining, "thsw: %u (driver thinks is %u)\n",
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iostate, card->to_host_signals_w);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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}
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#endif
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written = scnprintf(p, remaining, "\nStats:\n");
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "Total SDIO bytes: R=%u W=%u\n",
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card->sdio_bytes_read, card->sdio_bytes_written);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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written = scnprintf(p, remaining, "Interrupts generated on card: %u\n",
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card->unifi_interrupt_seq);
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UNIFI_SNPRINTF_RET(p, remaining, written);
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*remain = remaining;
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return (p - str);
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} /* unifi_print_status() */
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