1 /* 2 * Copyright (c) 2013-2018 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef __IF_SDIO_H__ 20 #define __IF_SDIO_H__ 21 22 #include <linux/version.h> 23 #include <linux/semaphore.h> 24 #include <linux/interrupt.h> 25 #include <osdep.h> 26 #include <ol_if_athvar.h> 27 #include <athdefs.h> 28 #include "a_osapi.h" 29 #include "pld_sdio.h" 30 #include "hif_internal.h" 31 32 33 #define AR6320_HEADERS_DEF 34 35 #define ATH_DBG_DEFAULT 0 36 37 #define RAMDUMP_ADDR 0x8F000000 38 #define RAMDUMP_SIZE 0x700000 39 40 struct hif_sdio_softc { 41 struct hif_softc ol_sc; 42 struct device *dev; 43 /* 44 * Guard changes to Target HW state and to software 45 * structures that track hardware state. 46 */ 47 spinlock_t target_lock; 48 void *hif_handle; 49 void *ramdump_base; 50 unsigned long ramdump_address; 51 unsigned long ramdump_size; 52 struct targetdef_s *targetdef; 53 struct hostdef_s *hostdef; 54 }; 55 56 #if defined(CONFIG_ATH_PROCFS_DIAG_SUPPORT) 57 int athdiag_procfs_init(void *scn); 58 void athdiag_procfs_remove(void); 59 #else 60 static inline int athdiag_procfs_init(void *scn) 61 { 62 return 0; 63 } 64 65 static inline void athdiag_procfs_remove(void) 66 { 67 } 68 #endif 69 70 #define DMA_MAPPING_ERROR(dev, addr) dma_mapping_error((dev), (addr)) 71 72 int ath_sdio_probe(void *context, void *hif_handle); 73 void ath_sdio_remove(void *context, void *hif_handle); 74 int ath_sdio_suspend(void *context); 75 int ath_sdio_resume(void *context); 76 77 /*These functions are exposed to HDD*/ 78 void hif_init_qdf_ctx(qdf_device_t qdf_dev, void *ol_sc); 79 void hif_deinit_qdf_ctx(void *ol_sc); 80 81 int hif_sdio_device_inserted(struct hif_softc *ol_sc, 82 struct device *dev, 83 const struct sdio_device_id *id); 84 void hif_sdio_stop(struct hif_softc *hif_ctx); 85 void hif_sdio_shutdown(struct hif_softc *hif_ctx); 86 void hif_sdio_device_removed(struct sdio_func *func); 87 int hif_device_suspend(struct hif_softc *ol_sc, struct device *dev); 88 int hif_device_resume(struct hif_softc *ol_sc, struct device *dev); 89 void hif_register_tbl_attach(struct hif_softc *scn, 90 u32 hif_type); 91 void target_register_tbl_attach(struct hif_softc *scn, 92 u32 target_type); 93 void hif_enable_power_gating(void *hif_ctx); 94 void hif_sdio_close(struct hif_softc *hif_sc); 95 QDF_STATUS hif_sdio_open(struct hif_softc *hif_sc, 96 enum qdf_bus_type bus_type); 97 void hif_ar6k_fetch_target_regs(struct hif_sdio_dev *hif_device, 98 uint32_t *targregs); 99 QDF_STATUS hif_reg_based_get_target_info(struct hif_opaque_softc *hif_ctx, 100 struct bmi_target_info *targ_info); 101 #endif /* __IF_SDIO_H__ */ 102