diff options
Diffstat (limited to 'drivers/staging/csr/csr_wifi_hip_udi.c')
| -rw-r--r-- | drivers/staging/csr/csr_wifi_hip_udi.c | 353 |
1 files changed, 129 insertions, 224 deletions
diff --git a/drivers/staging/csr/csr_wifi_hip_udi.c b/drivers/staging/csr/csr_wifi_hip_udi.c index a65b822db698..a6b006b0e983 100644 --- a/drivers/staging/csr/csr_wifi_hip_udi.c +++ b/drivers/staging/csr/csr_wifi_hip_udi.c @@ -24,10 +24,50 @@ * * --------------------------------------------------------------------------- */ +#include <linux/seq_file.h> #include "csr_wifi_hip_unifi.h" #include "csr_wifi_hip_card.h" +static void unifi_print_unsafe_sdio_status(card_t *card, struct seq_file *m) +{ +#ifdef CSR_UNSAFE_SDIO_ACCESS + s32 iostate; + CsrResult r; + static const char *const states[] = { + "AWAKE", "DROWSY", "TORPID" + }; +#define SHARED_READ_RETRY_LIMIT 10 + u8 b; + + seq_printf(m, "Host State: %s\n", states[card->host_state]); + + r = unifi_check_io_status(card, &iostate); + if (iostate == 1) { + seq_puts(m, remaining, "I/O Check: F1 disabled\n"); + } else { + if (iostate == 1) { + seq_puts(m, "I/O Check: pending interrupt\n"); + + seq_printf(m, "BH reason interrupt = %d\n", card->bh_reason_unifi); + seq_printf(m, "BH reason host = %d\n", card->bh_reason_host); + + for (i = 0; i < SHARED_READ_RETRY_LIMIT; i++) { + r = unifi_read_8_or_16(card, card->sdio_ctrl_addr + 2, &b); + if (r == CSR_RESULT_SUCCESS && !(b & 0x80)) { + seq_printf(m, "fhsr: %u (driver thinks is %u)\n", + b, card->from_host_signals_r); + break; + } + } + + iostate = unifi_read_shared_count(card, card->sdio_ctrl_addr + 4); + seq_printf(m, "thsw: %u (driver thinks is %u)\n", + iostate, card->to_host_signals_w); + } +#endif +} + /* * --------------------------------------------------------------------------- * unifi_print_status @@ -41,228 +81,93 @@ * None. * --------------------------------------------------------------------------- */ -s32 unifi_print_status(card_t *card, char *str, s32 *remain) +s32 unifi_print_status(card_t *card, struct seq_file *m) { - char *p = str; - sdio_config_data_t *cfg; - u16 i, n; - s32 remaining = *remain; - s32 written; -#ifdef CSR_UNSAFE_SDIO_ACCESS - s32 iostate; - CsrResult r; - static const char *const states[] = { - "AWAKE", "DROWSY", "TORPID" - }; - #define SHARED_READ_RETRY_LIMIT 10 - u8 b; -#endif - - if (remaining <= 0) - { - return 0; - } - - i = n = 0; - written = scnprintf(p, remaining, "Chip ID %u\n", - (u16)card->chip_id); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "Chip Version %04X\n", - card->chip_version); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "HIP v%u.%u\n", - (card->config_data.version >> 8) & 0xFF, - card->config_data.version & 0xFF); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "Build %u: %s\n", - card->build_id, card->build_id_string); - UNIFI_SNPRINTF_RET(p, remaining, written); - - cfg = &card->config_data; - - written = scnprintf(p, remaining, "sdio ctrl offset %u\n", - cfg->sdio_ctrl_offset); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "fromhost sigbuf handle %u\n", - cfg->fromhost_sigbuf_handle); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "tohost_sigbuf_handle %u\n", - cfg->tohost_sigbuf_handle); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "num_fromhost_sig_frags %u\n", - cfg->num_fromhost_sig_frags); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "num_tohost_sig_frags %u\n", - cfg->num_tohost_sig_frags); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "num_fromhost_data_slots %u\n", - cfg->num_fromhost_data_slots); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "num_tohost_data_slots %u\n", - cfg->num_tohost_data_slots); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "data_slot_size %u\n", - cfg->data_slot_size); - UNIFI_SNPRINTF_RET(p, remaining, written); - - /* Added by protocol version 0x0001 */ - written = scnprintf(p, remaining, "overlay_size %u\n", - (u16)cfg->overlay_size); - UNIFI_SNPRINTF_RET(p, remaining, written); - - /* Added by protocol version 0x0300 */ - written = scnprintf(p, remaining, "data_slot_round %u\n", - cfg->data_slot_round); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "sig_frag_size %u\n", - cfg->sig_frag_size); - UNIFI_SNPRINTF_RET(p, remaining, written); - - /* Added by protocol version 0x0300 */ - written = scnprintf(p, remaining, "tohost_sig_pad %u\n", - cfg->tohost_signal_padding); - UNIFI_SNPRINTF_RET(p, remaining, written); - - written = scnprintf(p, remaining, "\nInternal state:\n"); - UNIFI_SNPRINTF_RET(p, remaining, written); - - written = scnprintf(p, remaining, "Last PHY PANIC: %04x:%04x\n", - card->last_phy_panic_code, card->last_phy_panic_arg); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "Last MAC PANIC: %04x:%04x\n", - card->last_mac_panic_code, card->last_mac_panic_arg); - UNIFI_SNPRINTF_RET(p, remaining, written); - - written = scnprintf(p, remaining, "fhsr: %u\n", - (u16)card->from_host_signals_r); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "fhsw: %u\n", - (u16)card->from_host_signals_w); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "thsr: %u\n", - (u16)card->to_host_signals_r); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "thsw: %u\n", - (u16)card->to_host_signals_w); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, - "fh buffer contains: %d signals, %td bytes\n", - card->fh_buffer.count, - card->fh_buffer.ptr - card->fh_buffer.buf); - UNIFI_SNPRINTF_RET(p, remaining, written); - - written = scnprintf(p, remaining, "paused: "); - UNIFI_SNPRINTF_RET(p, remaining, written); - for (i = 0; i < sizeof(card->tx_q_paused_flag) / sizeof(card->tx_q_paused_flag[0]); i++) - { - written = scnprintf(p, remaining, card->tx_q_paused_flag[i]?"1" : "0"); - UNIFI_SNPRINTF_RET(p, remaining, written); - } - written = scnprintf(p, remaining, "\n"); - UNIFI_SNPRINTF_RET(p, remaining, written); - - written = scnprintf(p, remaining, - "fh command q: %u waiting, %u free of %u:\n", - CSR_WIFI_HIP_Q_SLOTS_USED(&card->fh_command_queue), - CSR_WIFI_HIP_Q_SLOTS_FREE(&card->fh_command_queue), - UNIFI_SOFT_COMMAND_Q_LENGTH); - UNIFI_SNPRINTF_RET(p, remaining, written); - for (i = 0; i < UNIFI_NO_OF_TX_QS; i++) - { - written = scnprintf(p, remaining, - "fh traffic q[%u]: %u waiting, %u free of %u:\n", - i, - CSR_WIFI_HIP_Q_SLOTS_USED(&card->fh_traffic_queue[i]), - CSR_WIFI_HIP_Q_SLOTS_FREE(&card->fh_traffic_queue[i]), - UNIFI_SOFT_TRAFFIC_Q_LENGTH); - UNIFI_SNPRINTF_RET(p, remaining, written); - } - - written = scnprintf(p, remaining, "fh data slots free: %u\n", - card->from_host_data?CardGetFreeFromHostDataSlots(card) : 0); - UNIFI_SNPRINTF_RET(p, remaining, written); - - - written = scnprintf(p, remaining, "From host data slots:"); - UNIFI_SNPRINTF_RET(p, remaining, written); - n = card->config_data.num_fromhost_data_slots; - for (i = 0; i < n && card->from_host_data; i++) - { - written = scnprintf(p, remaining, " %u", - (u16)card->from_host_data[i].bd.data_length); - UNIFI_SNPRINTF_RET(p, remaining, written); - } - written = scnprintf(p, remaining, "\n"); - UNIFI_SNPRINTF_RET(p, remaining, written); - - written = scnprintf(p, remaining, "To host data slots:"); - UNIFI_SNPRINTF_RET(p, remaining, written); - n = card->config_data.num_tohost_data_slots; - for (i = 0; i < n && card->to_host_data; i++) - { - written = scnprintf(p, remaining, " %u", - (u16)card->to_host_data[i].data_length); - UNIFI_SNPRINTF_RET(p, remaining, written); - } - - written = scnprintf(p, remaining, "\n"); - UNIFI_SNPRINTF_RET(p, remaining, written); - -#ifdef CSR_UNSAFE_SDIO_ACCESS - written = scnprintf(p, remaining, "Host State: %s\n", states[card->host_state]); - UNIFI_SNPRINTF_RET(p, remaining, written); - - r = unifi_check_io_status(card, &iostate); - if (iostate == 1) - { - written = scnprintf(p, remaining, "I/O Check: F1 disabled\n"); - UNIFI_SNPRINTF_RET(p, remaining, written); - } - else - { - if (iostate == 1) - { - written = scnprintf(p, remaining, "I/O Check: pending interrupt\n"); - UNIFI_SNPRINTF_RET(p, remaining, written); - } - - written = scnprintf(p, remaining, "BH reason interrupt = %d\n", - card->bh_reason_unifi); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "BH reason host = %d\n", - card->bh_reason_host); - UNIFI_SNPRINTF_RET(p, remaining, written); - - for (i = 0; i < SHARED_READ_RETRY_LIMIT; i++) - { - r = unifi_read_8_or_16(card, card->sdio_ctrl_addr + 2, &b); - if ((r == CSR_RESULT_SUCCESS) && (!(b & 0x80))) - { - written = scnprintf(p, remaining, "fhsr: %u (driver thinks is %u)\n", - b, card->from_host_signals_r); - UNIFI_SNPRINTF_RET(p, remaining, written); - break; - } - } - iostate = unifi_read_shared_count(card, card->sdio_ctrl_addr + 4); - written = scnprintf(p, remaining, "thsw: %u (driver thinks is %u)\n", - iostate, card->to_host_signals_w); - UNIFI_SNPRINTF_RET(p, remaining, written); - } -#endif - - written = scnprintf(p, remaining, "\nStats:\n"); - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "Total SDIO bytes: R=%u W=%u\n", - card->sdio_bytes_read, card->sdio_bytes_written); - - UNIFI_SNPRINTF_RET(p, remaining, written); - written = scnprintf(p, remaining, "Interrupts generated on card: %u\n", - card->unifi_interrupt_seq); - UNIFI_SNPRINTF_RET(p, remaining, written); - - *remain = remaining; - return (p - str); -} /* unifi_print_status() */ - - + sdio_config_data_t *cfg; + u16 i, n; + + i = n = 0; + seq_printf(m, "Chip ID %u\n", card->chip_id); + seq_printf(m, "Chip Version %04X\n", card->chip_version); + seq_printf(m, "HIP v%u.%u\n", + (card->config_data.version >> 8) & 0xFF, + card->config_data.version & 0xFF); + seq_printf(m, "Build %u: %s\n", card->build_id, card->build_id_string); + + cfg = &card->config_data; + + seq_printf(m, "sdio ctrl offset %u\n", cfg->sdio_ctrl_offset); + seq_printf(m, "fromhost sigbuf handle %u\n", cfg->fromhost_sigbuf_handle); + seq_printf(m, "tohost_sigbuf_handle %u\n", cfg->tohost_sigbuf_handle); + seq_printf(m, "num_fromhost_sig_frags %u\n", cfg->num_fromhost_sig_frags); + seq_printf(m, "num_tohost_sig_frags %u\n", cfg->num_tohost_sig_frags); + seq_printf(m, "num_fromhost_data_slots %u\n", cfg->num_fromhost_data_slots); + seq_printf(m, "num_tohost_data_slots %u\n", cfg->num_tohost_data_slots); + seq_printf(m, "data_slot_size %u\n", cfg->data_slot_size); + + /* Added by protocol version 0x0001 */ + seq_printf(m, "overlay_size %u\n", cfg->overlay_size); + + /* Added by protocol version 0x0300 */ + seq_printf(m, "data_slot_round %u\n", cfg->data_slot_round); + seq_printf(m, "sig_frag_size %u\n", cfg->sig_frag_size); + + /* Added by protocol version 0x0300 */ + seq_printf(m, "tohost_sig_pad %u\n", cfg->tohost_signal_padding); + + seq_puts(m, "\nInternal state:\n"); + + seq_printf(m, "Last PHY PANIC: %04x:%04x\n", + card->last_phy_panic_code, card->last_phy_panic_arg); + seq_printf(m, "Last MAC PANIC: %04x:%04x\n", + card->last_mac_panic_code, card->last_mac_panic_arg); + + seq_printf(m, "fhsr: %hu\n", (u16)card->from_host_signals_r); + seq_printf(m, "fhsw: %hu\n", (u16)card->from_host_signals_w); + seq_printf(m, "thsr: %hu\n", (u16)card->to_host_signals_r); + seq_printf(m, "thsw: %hu\n", (u16)card->to_host_signals_w); + seq_printf(m, "fh buffer contains: %d signals, %td bytes\n", + card->fh_buffer.count, + card->fh_buffer.ptr - card->fh_buffer.buf); + + seq_puts(m, "paused: "); + for (i = 0; i < ARRAY_SIZE(card->tx_q_paused_flag); i++) + seq_printf(m, card->tx_q_paused_flag[i] ? "1" : "0"); + seq_putc(m, '\n'); + + seq_printf(m, "fh command q: %u waiting, %u free of %u:\n", + CSR_WIFI_HIP_Q_SLOTS_USED(&card->fh_command_queue), + CSR_WIFI_HIP_Q_SLOTS_FREE(&card->fh_command_queue), + UNIFI_SOFT_COMMAND_Q_LENGTH); + + for (i = 0; i < UNIFI_NO_OF_TX_QS; i++) + seq_printf(m, "fh traffic q[%u]: %u waiting, %u free of %u:\n", + i, + CSR_WIFI_HIP_Q_SLOTS_USED(&card->fh_traffic_queue[i]), + CSR_WIFI_HIP_Q_SLOTS_FREE(&card->fh_traffic_queue[i]), + UNIFI_SOFT_TRAFFIC_Q_LENGTH); + + seq_printf(m, "fh data slots free: %u\n", + card->from_host_data ? CardGetFreeFromHostDataSlots(card) : 0); + + seq_puts(m, "From host data slots:"); + n = card->config_data.num_fromhost_data_slots; + for (i = 0; i < n && card->from_host_data; i++) + seq_printf(m, " %hu", (u16)card->from_host_data[i].bd.data_length); + seq_putc(m, '\n'); + + seq_puts(m, "To host data slots:"); + n = card->config_data.num_tohost_data_slots; + for (i = 0; i < n && card->to_host_data; i++) + seq_printf(m, " %hu", (u16)card->to_host_data[i].data_length); + seq_putc(m, '\n'); + + unifi_print_unsafe_sdio_status(card, m); + + seq_puts(m, "\nStats:\n"); + seq_printf(m, "Total SDIO bytes: R=%u W=%u\n", + card->sdio_bytes_read, card->sdio_bytes_written); + + seq_printf(m, "Interrupts generated on card: %u\n", card->unifi_interrupt_seq); + return 0; +} |