// SPDX-License-Identifier: ISC /* * Copyright (c) 2004-2011 Atheros Communications Inc. * Copyright (c) 2011-2012,2017 Qualcomm Atheros, Inc. * Copyright (c) 2016-2017 Erik Stromdahl <[email protected]> * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved. */ #include <linux/module.h> #include <linux/mmc/card.h> #include <linux/mmc/mmc.h> #include <linux/mmc/host.h> #include <linux/mmc/sdio_func.h> #include <linux/mmc/sdio_ids.h> #include <linux/mmc/sdio.h> #include <linux/mmc/sd.h> #include <linux/bitfield.h> #include "core.h" #include "bmi.h" #include "debug.h" #include "hif.h" #include "htc.h" #include "mac.h" #include "targaddrs.h" #include "trace.h" #include "sdio.h" #include "coredump.h" void ath10k_sdio_fw_crashed_dump(struct ath10k *ar); #define ATH10K_SDIO_VSG_BUF_SIZE … /* inlined helper functions */ static inline int ath10k_sdio_calc_txrx_padded_len(struct ath10k_sdio *ar_sdio, size_t len) { … } static inline enum ath10k_htc_ep_id pipe_id_to_eid(u8 pipe_id) { … } static inline void ath10k_sdio_mbox_free_rx_pkt(struct ath10k_sdio_rx_data *pkt) { … } static inline int ath10k_sdio_mbox_alloc_rx_pkt(struct ath10k_sdio_rx_data *pkt, size_t act_len, size_t full_len, bool part_of_bundle, bool last_in_bundle) { … } static inline bool is_trailer_only_msg(struct ath10k_sdio_rx_data *pkt) { … } /* sdio/mmc functions */ static inline void ath10k_sdio_set_cmd52_arg(u32 *arg, u8 write, u8 raw, unsigned int address, unsigned char val) { … } static int ath10k_sdio_func0_cmd52_wr_byte(struct mmc_card *card, unsigned int address, unsigned char byte) { … } static int ath10k_sdio_func0_cmd52_rd_byte(struct mmc_card *card, unsigned int address, unsigned char *byte) { … } static int ath10k_sdio_config(struct ath10k *ar) { … } static int ath10k_sdio_write32(struct ath10k *ar, u32 addr, u32 val) { … } static int ath10k_sdio_writesb32(struct ath10k *ar, u32 addr, u32 val) { … } static int ath10k_sdio_read32(struct ath10k *ar, u32 addr, u32 *val) { … } static int ath10k_sdio_read(struct ath10k *ar, u32 addr, void *buf, size_t len) { … } static int ath10k_sdio_write(struct ath10k *ar, u32 addr, const void *buf, size_t len) { … } static int ath10k_sdio_readsb(struct ath10k *ar, u32 addr, void *buf, size_t len) { … } /* HIF mbox functions */ static int ath10k_sdio_mbox_rx_process_packet(struct ath10k *ar, struct ath10k_sdio_rx_data *pkt, u32 *lookaheads, int *n_lookaheads) { … } static int ath10k_sdio_mbox_rx_process_packets(struct ath10k *ar, u32 lookaheads[], int *n_lookahead) { … } static int ath10k_sdio_mbox_alloc_bundle(struct ath10k *ar, struct ath10k_sdio_rx_data *rx_pkts, struct ath10k_htc_hdr *htc_hdr, size_t full_len, size_t act_len, size_t *bndl_cnt) { … } static int ath10k_sdio_mbox_rx_alloc(struct ath10k *ar, u32 lookaheads[], int n_lookaheads) { … } static int ath10k_sdio_mbox_rx_fetch(struct ath10k *ar) { … } static int ath10k_sdio_mbox_rx_fetch_bundle(struct ath10k *ar) { … } /* This is the timeout for mailbox processing done in the sdio irq * handler. The timeout is deliberately set quite high since SDIO dump logs * over serial port can/will add a substantial overhead to the processing * (if enabled). */ #define SDIO_MBOX_PROCESSING_TIMEOUT_HZ … static int ath10k_sdio_mbox_rxmsg_pending_handler(struct ath10k *ar, u32 msg_lookahead, bool *done) { … } static int ath10k_sdio_mbox_proc_dbg_intr(struct ath10k *ar) { … } static int ath10k_sdio_mbox_proc_counter_intr(struct ath10k *ar) { … } static int ath10k_sdio_mbox_proc_err_intr(struct ath10k *ar) { … } static int ath10k_sdio_mbox_proc_cpu_intr(struct ath10k *ar) { … } static int ath10k_sdio_mbox_read_int_status(struct ath10k *ar, u8 *host_int_status, u32 *lookahead) { … } static int ath10k_sdio_mbox_proc_pending_irqs(struct ath10k *ar, bool *done) { … } static void ath10k_sdio_set_mbox_info(struct ath10k *ar) { … } /* BMI functions */ static int ath10k_sdio_bmi_credits(struct ath10k *ar) { … } static int ath10k_sdio_bmi_get_rx_lookahead(struct ath10k *ar) { … } static int ath10k_sdio_bmi_exchange_msg(struct ath10k *ar, void *req, u32 req_len, void *resp, u32 *resp_len) { … } /* sdio async handling functions */ static struct ath10k_sdio_bus_request *ath10k_sdio_alloc_busreq(struct ath10k *ar) { … } static void ath10k_sdio_free_bus_req(struct ath10k *ar, struct ath10k_sdio_bus_request *bus_req) { … } static void __ath10k_sdio_write_async(struct ath10k *ar, struct ath10k_sdio_bus_request *req) { … } /* To improve throughput use workqueue to deliver packets to HTC layer, * this way SDIO bus is utilised much better. */ static void ath10k_rx_indication_async_work(struct work_struct *work) { … } static int ath10k_sdio_read_rtc_state(struct ath10k_sdio *ar_sdio, unsigned char *state) { … } static int ath10k_sdio_set_mbox_sleep(struct ath10k *ar, bool enable_sleep) { … } static void ath10k_sdio_sleep_timer_handler(struct timer_list *t) { … } static void ath10k_sdio_write_async_work(struct work_struct *work) { … } static int ath10k_sdio_prep_async_req(struct ath10k *ar, u32 addr, struct sk_buff *skb, struct completion *comp, bool htc_msg, enum ath10k_htc_ep_id eid) { … } /* IRQ handler */ static void ath10k_sdio_irq_handler(struct sdio_func *func) { … } /* sdio HIF functions */ static int ath10k_sdio_disable_intrs(struct ath10k *ar) { … } static int ath10k_sdio_hif_power_up(struct ath10k *ar, enum ath10k_firmware_mode fw_mode) { … } static void ath10k_sdio_hif_power_down(struct ath10k *ar) { … } static int ath10k_sdio_hif_tx_sg(struct ath10k *ar, u8 pipe_id, struct ath10k_hif_sg_item *items, int n_items) { … } static int ath10k_sdio_enable_intrs(struct ath10k *ar) { … } /* HIF diagnostics */ static int ath10k_sdio_hif_diag_read(struct ath10k *ar, u32 address, void *buf, size_t buf_len) { … } static int ath10k_sdio_diag_read32(struct ath10k *ar, u32 address, u32 *value) { … } static int ath10k_sdio_hif_diag_write_mem(struct ath10k *ar, u32 address, const void *data, int nbytes) { … } static int ath10k_sdio_hif_start_post(struct ath10k *ar) { … } static int ath10k_sdio_get_htt_tx_complete(struct ath10k *ar) { … } /* HIF start/stop */ static int ath10k_sdio_hif_start(struct ath10k *ar) { … } #define SDIO_IRQ_DISABLE_TIMEOUT_HZ … static void ath10k_sdio_irq_disable(struct ath10k *ar) { … } static void ath10k_sdio_hif_stop(struct ath10k *ar) { … } #ifdef CONFIG_PM static int ath10k_sdio_hif_suspend(struct ath10k *ar) { … } static int ath10k_sdio_hif_resume(struct ath10k *ar) { … } #endif static int ath10k_sdio_hif_map_service_to_pipe(struct ath10k *ar, u16 service_id, u8 *ul_pipe, u8 *dl_pipe) { … } static void ath10k_sdio_hif_get_default_pipe(struct ath10k *ar, u8 *ul_pipe, u8 *dl_pipe) { … } static const struct ath10k_hif_ops ath10k_sdio_hif_ops = …; #ifdef CONFIG_PM_SLEEP /* Empty handlers so that mmc subsystem doesn't remove us entirely during * suspend. We instead follow cfg80211 suspend/resume handlers. */ static int ath10k_sdio_pm_suspend(struct device *device) { … } static int ath10k_sdio_pm_resume(struct device *device) { … } static SIMPLE_DEV_PM_OPS(ath10k_sdio_pm_ops, ath10k_sdio_pm_suspend, ath10k_sdio_pm_resume); #define ATH10K_SDIO_PM_OPS … #else #define ATH10K_SDIO_PM_OPS … #endif /* CONFIG_PM_SLEEP */ static int ath10k_sdio_napi_poll(struct napi_struct *ctx, int budget) { … } static int ath10k_sdio_read_host_interest_value(struct ath10k *ar, u32 item_offset, u32 *val) { … } static int ath10k_sdio_read_mem(struct ath10k *ar, u32 address, void *buf, u32 buf_len) { … } static bool ath10k_sdio_is_fast_dump_supported(struct ath10k *ar) { … } static void ath10k_sdio_dump_registers(struct ath10k *ar, struct ath10k_fw_crash_data *crash_data, bool fast_dump) { … } static int ath10k_sdio_dump_memory_section(struct ath10k *ar, const struct ath10k_mem_region *mem_region, u8 *buf, size_t buf_len) { … } /* if an error happened returns < 0, otherwise the length */ static int ath10k_sdio_dump_memory_generic(struct ath10k *ar, const struct ath10k_mem_region *current_region, u8 *buf, bool fast_dump) { … } static void ath10k_sdio_dump_memory(struct ath10k *ar, struct ath10k_fw_crash_data *crash_data, bool fast_dump) { … } void ath10k_sdio_fw_crashed_dump(struct ath10k *ar) { … } static int ath10k_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) { … } static void ath10k_sdio_remove(struct sdio_func *func) { … } static const struct sdio_device_id ath10k_sdio_devices[] = …; MODULE_DEVICE_TABLE(sdio, ath10k_sdio_devices); static struct sdio_driver ath10k_sdio_driver = …; module_sdio_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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