1 /* 2 * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved. 3 * 4 * Previously licensed under the ISC license by Qualcomm Atheros, Inc. 5 * 6 * 7 * Permission to use, copy, modify, and/or distribute this software for 8 * any purpose with or without fee is hereby granted, provided that the 9 * above copyright notice and this permission notice appear in all 10 * copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 13 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 14 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 15 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 16 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 17 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 18 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 19 * PERFORMANCE OF THIS SOFTWARE. 20 */ 21 22 /* 23 * This file was originally distributed by Qualcomm Atheros, Inc. 24 * under proprietary terms before Copyright ownership was assigned 25 * to the Linux Foundation. 26 */ 27 28 #include "hif.h" 29 #include "hif_main.h" 30 #include "multibus.h" 31 #include "pci_api.h" 32 #include "hif_io32.h" 33 #include "dummy.h" 34 #include "ce_api.h" 35 36 /** 37 * hif_initialize_pci_ops() - initialize the pci ops 38 * @bus_ops: hif_bus_ops table pointer to initialize 39 * 40 * Return: QDF_STATUS_SUCCESS 41 */ 42 QDF_STATUS hif_initialize_pci_ops(struct hif_softc *hif_sc) 43 { 44 struct hif_bus_ops *bus_ops = &hif_sc->bus_ops; 45 46 bus_ops->hif_bus_open = &hif_pci_open; 47 bus_ops->hif_bus_close = &hif_pci_close; 48 bus_ops->hif_bus_prevent_linkdown = &hif_pci_prevent_linkdown; 49 bus_ops->hif_reset_soc = &hif_pci_reset_soc; 50 bus_ops->hif_bus_suspend = &hif_pci_bus_suspend; 51 bus_ops->hif_bus_resume = &hif_pci_bus_resume; 52 bus_ops->hif_bus_suspend_noirq = &hif_pci_bus_suspend_noirq; 53 bus_ops->hif_bus_resume_noirq = &hif_pci_bus_resume_noirq; 54 55 /* do not put the target to sleep for epping or maxperf mode */ 56 if (CONFIG_ATH_PCIE_MAX_PERF == 0 && 57 !QDF_IS_EPPING_ENABLED(hif_get_conparam(hif_sc))) 58 bus_ops->hif_target_sleep_state_adjust = 59 &hif_pci_target_sleep_state_adjust; 60 else 61 bus_ops->hif_target_sleep_state_adjust = 62 &hif_dummy_target_sleep_state_adjust; 63 64 bus_ops->hif_disable_isr = &hif_pci_disable_isr; 65 bus_ops->hif_nointrs = &hif_pci_nointrs; 66 bus_ops->hif_enable_bus = &hif_pci_enable_bus; 67 bus_ops->hif_disable_bus = &hif_pci_disable_bus; 68 bus_ops->hif_bus_configure = &hif_pci_bus_configure; 69 bus_ops->hif_get_config_item = &hif_dummy_get_config_item; 70 bus_ops->hif_set_mailbox_swap = &hif_dummy_set_mailbox_swap; 71 bus_ops->hif_claim_device = &hif_dummy_claim_device; 72 bus_ops->hif_shutdown_device = &hif_ce_stop; 73 bus_ops->hif_stop = &hif_ce_stop; 74 bus_ops->hif_cancel_deferred_target_sleep = 75 &hif_pci_cancel_deferred_target_sleep; 76 bus_ops->hif_irq_disable = &hif_pci_irq_disable; 77 bus_ops->hif_irq_enable = &hif_pci_irq_enable; 78 bus_ops->hif_dump_registers = &hif_pci_dump_registers; 79 bus_ops->hif_dump_target_memory = &hif_ce_dump_target_memory; 80 bus_ops->hif_ipa_get_ce_resource = &hif_ce_ipa_get_ce_resource; 81 bus_ops->hif_mask_interrupt_call = &hif_dummy_mask_interrupt_call; 82 bus_ops->hif_enable_power_management = 83 &hif_pci_enable_power_management; 84 bus_ops->hif_disable_power_management = 85 &hif_pci_disable_power_management; 86 bus_ops->hif_grp_irq_configure = &hif_pci_configure_grp_irq; 87 bus_ops->hif_display_stats = 88 &hif_pci_display_stats; 89 bus_ops->hif_clear_stats = 90 &hif_pci_clear_stats; 91 bus_ops->hif_addr_in_boundary = &hif_pci_addr_in_boundary; 92 93 /* default to legacy mapping handler; override as needed */ 94 bus_ops->hif_map_ce_to_irq = &hif_pci_legacy_map_ce_to_irq; 95 bus_ops->hif_needs_bmi = &hif_pci_needs_bmi; 96 97 return QDF_STATUS_SUCCESS; 98 } 99 100 /** 101 * hif_pci_get_context_size() - return the size of the pci context 102 * 103 * Return the size of the context. (0 for invalid bus) 104 */ 105 int hif_pci_get_context_size(void) 106 { 107 return sizeof(struct hif_pci_softc); 108 } 109