16e0355afSGovind Singh // SPDX-License-Identifier: BSD-3-Clause-Clear 26e0355afSGovind Singh /* 36e0355afSGovind Singh * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved. 46e0355afSGovind Singh */ 56e0355afSGovind Singh 66e0355afSGovind Singh #include <linux/module.h> 75697a564SGovind Singh #include <linux/msi.h> 86e0355afSGovind Singh #include <linux/pci.h> 96e0355afSGovind Singh 105762613eSGovind Singh #include "pci.h" 116e0355afSGovind Singh #include "core.h" 121399fb87SGovind Singh #include "hif.h" 131399fb87SGovind Singh #include "mhi.h" 146e0355afSGovind Singh #include "debug.h" 156e0355afSGovind Singh 165762613eSGovind Singh #define ATH11K_PCI_BAR_NUM 0 175762613eSGovind Singh #define ATH11K_PCI_DMA_MASK 32 185762613eSGovind Singh 197f4beda2SGovind Singh #define ATH11K_PCI_IRQ_CE0_OFFSET 3 207f4beda2SGovind Singh 21654e959aSGovind Singh #define WINDOW_ENABLE_BIT 0x40000000 22654e959aSGovind Singh #define WINDOW_REG_ADDRESS 0x310c 23654e959aSGovind Singh #define WINDOW_VALUE_MASK GENMASK(24, 19) 24654e959aSGovind Singh #define WINDOW_START 0x80000 25654e959aSGovind Singh #define WINDOW_RANGE_MASK GENMASK(18, 0) 26654e959aSGovind Singh 276e0355afSGovind Singh #define QCA6390_DEVICE_ID 0x1101 286e0355afSGovind Singh 296e0355afSGovind Singh static const struct pci_device_id ath11k_pci_id_table[] = { 306e0355afSGovind Singh { PCI_VDEVICE(QCOM, QCA6390_DEVICE_ID) }, 316e0355afSGovind Singh {0} 326e0355afSGovind Singh }; 336e0355afSGovind Singh 346e0355afSGovind Singh MODULE_DEVICE_TABLE(pci, ath11k_pci_id_table); 356e0355afSGovind Singh 361ff8ed78SGovind Singh static const struct ath11k_bus_params ath11k_pci_bus_params = { 371ff8ed78SGovind Singh .mhi_support = true, 3856970454SGovind Singh .m3_fw_support = true, 396eb6ea51SGovind Singh .fixed_bdf_addr = false, 406eb6ea51SGovind Singh .fixed_mem_region = false, 411ff8ed78SGovind Singh }; 421ff8ed78SGovind Singh 435697a564SGovind Singh static const struct ath11k_msi_config msi_config = { 445697a564SGovind Singh .total_vectors = 32, 455697a564SGovind Singh .total_users = 4, 465697a564SGovind Singh .users = (struct ath11k_msi_user[]) { 475697a564SGovind Singh { .name = "MHI", .num_vectors = 3, .base_vector = 0 }, 485697a564SGovind Singh { .name = "CE", .num_vectors = 10, .base_vector = 3 }, 495697a564SGovind Singh { .name = "WAKE", .num_vectors = 1, .base_vector = 13 }, 505697a564SGovind Singh { .name = "DP", .num_vectors = 18, .base_vector = 14 }, 515697a564SGovind Singh }, 525697a564SGovind Singh }; 535697a564SGovind Singh 547f4beda2SGovind Singh /* Target firmware's Copy Engine configuration. */ 557f4beda2SGovind Singh static const struct ce_pipe_config target_ce_config_wlan[] = { 567f4beda2SGovind Singh /* CE0: host->target HTC control and raw streams */ 577f4beda2SGovind Singh { 587f4beda2SGovind Singh .pipenum = __cpu_to_le32(0), 597f4beda2SGovind Singh .pipedir = __cpu_to_le32(PIPEDIR_OUT), 607f4beda2SGovind Singh .nentries = __cpu_to_le32(32), 617f4beda2SGovind Singh .nbytes_max = __cpu_to_le32(2048), 627f4beda2SGovind Singh .flags = __cpu_to_le32(CE_ATTR_FLAGS), 637f4beda2SGovind Singh .reserved = __cpu_to_le32(0), 647f4beda2SGovind Singh }, 657f4beda2SGovind Singh 667f4beda2SGovind Singh /* CE1: target->host HTT + HTC control */ 677f4beda2SGovind Singh { 687f4beda2SGovind Singh .pipenum = __cpu_to_le32(1), 697f4beda2SGovind Singh .pipedir = __cpu_to_le32(PIPEDIR_IN), 707f4beda2SGovind Singh .nentries = __cpu_to_le32(32), 717f4beda2SGovind Singh .nbytes_max = __cpu_to_le32(2048), 727f4beda2SGovind Singh .flags = __cpu_to_le32(CE_ATTR_FLAGS), 737f4beda2SGovind Singh .reserved = __cpu_to_le32(0), 747f4beda2SGovind Singh }, 757f4beda2SGovind Singh 767f4beda2SGovind Singh /* CE2: target->host WMI */ 777f4beda2SGovind Singh { 787f4beda2SGovind Singh .pipenum = __cpu_to_le32(2), 797f4beda2SGovind Singh .pipedir = __cpu_to_le32(PIPEDIR_IN), 807f4beda2SGovind Singh .nentries = __cpu_to_le32(32), 817f4beda2SGovind Singh .nbytes_max = __cpu_to_le32(2048), 827f4beda2SGovind Singh .flags = __cpu_to_le32(CE_ATTR_FLAGS), 837f4beda2SGovind Singh .reserved = __cpu_to_le32(0), 847f4beda2SGovind Singh }, 857f4beda2SGovind Singh 867f4beda2SGovind Singh /* CE3: host->target WMI */ 877f4beda2SGovind Singh { 887f4beda2SGovind Singh .pipenum = __cpu_to_le32(3), 897f4beda2SGovind Singh .pipedir = __cpu_to_le32(PIPEDIR_OUT), 907f4beda2SGovind Singh .nentries = __cpu_to_le32(32), 917f4beda2SGovind Singh .nbytes_max = __cpu_to_le32(2048), 927f4beda2SGovind Singh .flags = __cpu_to_le32(CE_ATTR_FLAGS), 937f4beda2SGovind Singh .reserved = __cpu_to_le32(0), 947f4beda2SGovind Singh }, 957f4beda2SGovind Singh 967f4beda2SGovind Singh /* CE4: host->target HTT */ 977f4beda2SGovind Singh { 987f4beda2SGovind Singh .pipenum = __cpu_to_le32(4), 997f4beda2SGovind Singh .pipedir = __cpu_to_le32(PIPEDIR_OUT), 1007f4beda2SGovind Singh .nentries = __cpu_to_le32(256), 1017f4beda2SGovind Singh .nbytes_max = __cpu_to_le32(256), 1027f4beda2SGovind Singh .flags = __cpu_to_le32(CE_ATTR_FLAGS | CE_ATTR_DIS_INTR), 1037f4beda2SGovind Singh .reserved = __cpu_to_le32(0), 1047f4beda2SGovind Singh }, 1057f4beda2SGovind Singh 1067f4beda2SGovind Singh /* CE5: target->host Pktlog */ 1077f4beda2SGovind Singh { 1087f4beda2SGovind Singh .pipenum = __cpu_to_le32(5), 1097f4beda2SGovind Singh .pipedir = __cpu_to_le32(PIPEDIR_IN), 1107f4beda2SGovind Singh .nentries = __cpu_to_le32(32), 1117f4beda2SGovind Singh .nbytes_max = __cpu_to_le32(2048), 1127f4beda2SGovind Singh .flags = __cpu_to_le32(CE_ATTR_FLAGS), 1137f4beda2SGovind Singh .reserved = __cpu_to_le32(0), 1147f4beda2SGovind Singh }, 1157f4beda2SGovind Singh 1167f4beda2SGovind Singh /* CE6: Reserved for target autonomous hif_memcpy */ 1177f4beda2SGovind Singh { 1187f4beda2SGovind Singh .pipenum = __cpu_to_le32(6), 1197f4beda2SGovind Singh .pipedir = __cpu_to_le32(PIPEDIR_INOUT), 1207f4beda2SGovind Singh .nentries = __cpu_to_le32(32), 1217f4beda2SGovind Singh .nbytes_max = __cpu_to_le32(16384), 1227f4beda2SGovind Singh .flags = __cpu_to_le32(CE_ATTR_FLAGS), 1237f4beda2SGovind Singh .reserved = __cpu_to_le32(0), 1247f4beda2SGovind Singh }, 1257f4beda2SGovind Singh 1267f4beda2SGovind Singh /* CE7 used only by Host */ 1277f4beda2SGovind Singh { 1287f4beda2SGovind Singh .pipenum = __cpu_to_le32(7), 1297f4beda2SGovind Singh .pipedir = __cpu_to_le32(PIPEDIR_INOUT_H2H), 1307f4beda2SGovind Singh .nentries = __cpu_to_le32(0), 1317f4beda2SGovind Singh .nbytes_max = __cpu_to_le32(0), 1327f4beda2SGovind Singh .flags = __cpu_to_le32(CE_ATTR_FLAGS | CE_ATTR_DIS_INTR), 1337f4beda2SGovind Singh .reserved = __cpu_to_le32(0), 1347f4beda2SGovind Singh }, 1357f4beda2SGovind Singh 1367f4beda2SGovind Singh /* CE8 target->host used only by IPA */ 1377f4beda2SGovind Singh { 1387f4beda2SGovind Singh .pipenum = __cpu_to_le32(8), 1397f4beda2SGovind Singh .pipedir = __cpu_to_le32(PIPEDIR_INOUT), 1407f4beda2SGovind Singh .nentries = __cpu_to_le32(32), 1417f4beda2SGovind Singh .nbytes_max = __cpu_to_le32(16384), 1427f4beda2SGovind Singh .flags = __cpu_to_le32(CE_ATTR_FLAGS), 1437f4beda2SGovind Singh .reserved = __cpu_to_le32(0), 1447f4beda2SGovind Singh }, 1457f4beda2SGovind Singh /* CE 9, 10, 11 are used by MHI driver */ 1467f4beda2SGovind Singh }; 1477f4beda2SGovind Singh 1487f4beda2SGovind Singh /* Map from service/endpoint to Copy Engine. 1497f4beda2SGovind Singh * This table is derived from the CE_PCI TABLE, above. 1507f4beda2SGovind Singh * It is passed to the Target at startup for use by firmware. 1517f4beda2SGovind Singh */ 1527f4beda2SGovind Singh static const struct service_to_pipe target_service_to_ce_map_wlan[] = { 1537f4beda2SGovind Singh { 1547f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_VO), 1557f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ 1567f4beda2SGovind Singh __cpu_to_le32(3), 1577f4beda2SGovind Singh }, 1587f4beda2SGovind Singh { 1597f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_VO), 1607f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ 1617f4beda2SGovind Singh __cpu_to_le32(2), 1627f4beda2SGovind Singh }, 1637f4beda2SGovind Singh { 1647f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_BK), 1657f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ 1667f4beda2SGovind Singh __cpu_to_le32(3), 1677f4beda2SGovind Singh }, 1687f4beda2SGovind Singh { 1697f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_BK), 1707f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ 1717f4beda2SGovind Singh __cpu_to_le32(2), 1727f4beda2SGovind Singh }, 1737f4beda2SGovind Singh { 1747f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_BE), 1757f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ 1767f4beda2SGovind Singh __cpu_to_le32(3), 1777f4beda2SGovind Singh }, 1787f4beda2SGovind Singh { 1797f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_BE), 1807f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ 1817f4beda2SGovind Singh __cpu_to_le32(2), 1827f4beda2SGovind Singh }, 1837f4beda2SGovind Singh { 1847f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_VI), 1857f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ 1867f4beda2SGovind Singh __cpu_to_le32(3), 1877f4beda2SGovind Singh }, 1887f4beda2SGovind Singh { 1897f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_VI), 1907f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ 1917f4beda2SGovind Singh __cpu_to_le32(2), 1927f4beda2SGovind Singh }, 1937f4beda2SGovind Singh { 1947f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_CONTROL), 1957f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ 1967f4beda2SGovind Singh __cpu_to_le32(3), 1977f4beda2SGovind Singh }, 1987f4beda2SGovind Singh { 1997f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_CONTROL), 2007f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ 2017f4beda2SGovind Singh __cpu_to_le32(2), 2027f4beda2SGovind Singh }, 2037f4beda2SGovind Singh 2047f4beda2SGovind Singh { 2057f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_RSVD_CTRL), 2067f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ 2077f4beda2SGovind Singh __cpu_to_le32(0), 2087f4beda2SGovind Singh }, 2097f4beda2SGovind Singh { 2107f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_RSVD_CTRL), 2117f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ 2127f4beda2SGovind Singh __cpu_to_le32(2), 2137f4beda2SGovind Singh }, 2147f4beda2SGovind Singh 2157f4beda2SGovind Singh { 2167f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_HTT_DATA_MSG), 2177f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ 2187f4beda2SGovind Singh __cpu_to_le32(4), 2197f4beda2SGovind Singh }, 2207f4beda2SGovind Singh { 2217f4beda2SGovind Singh __cpu_to_le32(ATH11K_HTC_SVC_ID_HTT_DATA_MSG), 2227f4beda2SGovind Singh __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ 2237f4beda2SGovind Singh __cpu_to_le32(1), 2247f4beda2SGovind Singh }, 2257f4beda2SGovind Singh 2267f4beda2SGovind Singh /* (Additions here) */ 2277f4beda2SGovind Singh 2287f4beda2SGovind Singh { /* must be last */ 2297f4beda2SGovind Singh __cpu_to_le32(0), 2307f4beda2SGovind Singh __cpu_to_le32(0), 2317f4beda2SGovind Singh __cpu_to_le32(0), 2327f4beda2SGovind Singh }, 2337f4beda2SGovind Singh }; 2347f4beda2SGovind Singh 2357f4beda2SGovind Singh static const char *irq_name[ATH11K_IRQ_NUM_MAX] = { 2367f4beda2SGovind Singh "bhi", 2377f4beda2SGovind Singh "mhi-er0", 2387f4beda2SGovind Singh "mhi-er1", 2397f4beda2SGovind Singh "ce0", 2407f4beda2SGovind Singh "ce1", 2417f4beda2SGovind Singh "ce2", 2427f4beda2SGovind Singh "ce3", 2437f4beda2SGovind Singh "ce4", 2447f4beda2SGovind Singh "ce5", 2457f4beda2SGovind Singh "ce6", 2467f4beda2SGovind Singh "ce7", 2477f4beda2SGovind Singh "ce8", 2487f4beda2SGovind Singh "ce9", 2497f4beda2SGovind Singh "ce10", 2507f4beda2SGovind Singh "ce11", 2517f4beda2SGovind Singh "host2wbm-desc-feed", 2527f4beda2SGovind Singh "host2reo-re-injection", 2537f4beda2SGovind Singh "host2reo-command", 2547f4beda2SGovind Singh "host2rxdma-monitor-ring3", 2557f4beda2SGovind Singh "host2rxdma-monitor-ring2", 2567f4beda2SGovind Singh "host2rxdma-monitor-ring1", 2577f4beda2SGovind Singh "reo2ost-exception", 2587f4beda2SGovind Singh "wbm2host-rx-release", 2597f4beda2SGovind Singh "reo2host-status", 2607f4beda2SGovind Singh "reo2host-destination-ring4", 2617f4beda2SGovind Singh "reo2host-destination-ring3", 2627f4beda2SGovind Singh "reo2host-destination-ring2", 2637f4beda2SGovind Singh "reo2host-destination-ring1", 2647f4beda2SGovind Singh "rxdma2host-monitor-destination-mac3", 2657f4beda2SGovind Singh "rxdma2host-monitor-destination-mac2", 2667f4beda2SGovind Singh "rxdma2host-monitor-destination-mac1", 2677f4beda2SGovind Singh "ppdu-end-interrupts-mac3", 2687f4beda2SGovind Singh "ppdu-end-interrupts-mac2", 2697f4beda2SGovind Singh "ppdu-end-interrupts-mac1", 2707f4beda2SGovind Singh "rxdma2host-monitor-status-ring-mac3", 2717f4beda2SGovind Singh "rxdma2host-monitor-status-ring-mac2", 2727f4beda2SGovind Singh "rxdma2host-monitor-status-ring-mac1", 2737f4beda2SGovind Singh "host2rxdma-host-buf-ring-mac3", 2747f4beda2SGovind Singh "host2rxdma-host-buf-ring-mac2", 2757f4beda2SGovind Singh "host2rxdma-host-buf-ring-mac1", 2767f4beda2SGovind Singh "rxdma2host-destination-ring-mac3", 2777f4beda2SGovind Singh "rxdma2host-destination-ring-mac2", 2787f4beda2SGovind Singh "rxdma2host-destination-ring-mac1", 2797f4beda2SGovind Singh "host2tcl-input-ring4", 2807f4beda2SGovind Singh "host2tcl-input-ring3", 2817f4beda2SGovind Singh "host2tcl-input-ring2", 2827f4beda2SGovind Singh "host2tcl-input-ring1", 2837f4beda2SGovind Singh "wbm2host-tx-completions-ring3", 2847f4beda2SGovind Singh "wbm2host-tx-completions-ring2", 2857f4beda2SGovind Singh "wbm2host-tx-completions-ring1", 2867f4beda2SGovind Singh "tcl2host-status-ring", 2877f4beda2SGovind Singh }; 2887f4beda2SGovind Singh 289654e959aSGovind Singh static inline void ath11k_pci_select_window(struct ath11k_pci *ab_pci, u32 offset) 290654e959aSGovind Singh { 291654e959aSGovind Singh struct ath11k_base *ab = ab_pci->ab; 292654e959aSGovind Singh 293654e959aSGovind Singh u32 window = FIELD_GET(WINDOW_VALUE_MASK, offset); 294654e959aSGovind Singh 295654e959aSGovind Singh lockdep_assert_held(&ab_pci->window_lock); 296654e959aSGovind Singh 297654e959aSGovind Singh if (window != ab_pci->register_window) { 298654e959aSGovind Singh iowrite32(WINDOW_ENABLE_BIT | window, 299654e959aSGovind Singh ab->mem + WINDOW_REG_ADDRESS); 300654e959aSGovind Singh ab_pci->register_window = window; 301654e959aSGovind Singh } 302654e959aSGovind Singh } 303654e959aSGovind Singh 304654e959aSGovind Singh static void ath11k_pci_write32(struct ath11k_base *ab, u32 offset, u32 value) 305654e959aSGovind Singh { 306654e959aSGovind Singh struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); 307654e959aSGovind Singh 308654e959aSGovind Singh if (offset < WINDOW_START) { 309654e959aSGovind Singh iowrite32(value, ab->mem + offset); 310654e959aSGovind Singh } else { 311654e959aSGovind Singh spin_lock_bh(&ab_pci->window_lock); 312654e959aSGovind Singh ath11k_pci_select_window(ab_pci, offset); 313654e959aSGovind Singh iowrite32(value, ab->mem + WINDOW_START + (offset & WINDOW_RANGE_MASK)); 314654e959aSGovind Singh spin_unlock_bh(&ab_pci->window_lock); 315654e959aSGovind Singh } 316654e959aSGovind Singh } 317654e959aSGovind Singh 318654e959aSGovind Singh static u32 ath11k_pci_read32(struct ath11k_base *ab, u32 offset) 319654e959aSGovind Singh { 320654e959aSGovind Singh struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); 321654e959aSGovind Singh u32 val; 322654e959aSGovind Singh 323654e959aSGovind Singh if (offset < WINDOW_START) { 324654e959aSGovind Singh val = ioread32(ab->mem + offset); 325654e959aSGovind Singh } else { 326654e959aSGovind Singh spin_lock_bh(&ab_pci->window_lock); 327654e959aSGovind Singh ath11k_pci_select_window(ab_pci, offset); 328654e959aSGovind Singh val = ioread32(ab->mem + WINDOW_START + (offset & WINDOW_RANGE_MASK)); 329654e959aSGovind Singh spin_unlock_bh(&ab_pci->window_lock); 330654e959aSGovind Singh } 331654e959aSGovind Singh 332654e959aSGovind Singh return val; 333654e959aSGovind Singh } 334654e959aSGovind Singh 3351399fb87SGovind Singh int ath11k_pci_get_msi_irq(struct device *dev, unsigned int vector) 3361399fb87SGovind Singh { 3371399fb87SGovind Singh struct pci_dev *pci_dev = to_pci_dev(dev); 3381399fb87SGovind Singh 3391399fb87SGovind Singh return pci_irq_vector(pci_dev, vector); 3401399fb87SGovind Singh } 3411399fb87SGovind Singh 342*c4eacabeSGovind Singh static void ath11k_pci_get_msi_address(struct ath11k_base *ab, u32 *msi_addr_lo, 343*c4eacabeSGovind Singh u32 *msi_addr_hi) 344*c4eacabeSGovind Singh { 345*c4eacabeSGovind Singh struct pci_dev *pci_dev = to_pci_dev(ab->dev); 346*c4eacabeSGovind Singh 347*c4eacabeSGovind Singh pci_read_config_dword(pci_dev, pci_dev->msi_cap + PCI_MSI_ADDRESS_LO, 348*c4eacabeSGovind Singh msi_addr_lo); 349*c4eacabeSGovind Singh 350*c4eacabeSGovind Singh pci_read_config_dword(pci_dev, pci_dev->msi_cap + PCI_MSI_ADDRESS_HI, 351*c4eacabeSGovind Singh msi_addr_hi); 352*c4eacabeSGovind Singh } 353*c4eacabeSGovind Singh 3541399fb87SGovind Singh int ath11k_pci_get_user_msi_assignment(struct ath11k_pci *ab_pci, char *user_name, 3551399fb87SGovind Singh int *num_vectors, u32 *user_base_data, 3561399fb87SGovind Singh u32 *base_vector) 3571399fb87SGovind Singh { 3581399fb87SGovind Singh struct ath11k_base *ab = ab_pci->ab; 3591399fb87SGovind Singh int idx; 3601399fb87SGovind Singh 3611399fb87SGovind Singh for (idx = 0; idx < msi_config.total_users; idx++) { 3621399fb87SGovind Singh if (strcmp(user_name, msi_config.users[idx].name) == 0) { 3631399fb87SGovind Singh *num_vectors = msi_config.users[idx].num_vectors; 3641399fb87SGovind Singh *user_base_data = msi_config.users[idx].base_vector 3651399fb87SGovind Singh + ab_pci->msi_ep_base_data; 3661399fb87SGovind Singh *base_vector = msi_config.users[idx].base_vector; 3671399fb87SGovind Singh 3681399fb87SGovind Singh ath11k_dbg(ab, ATH11K_DBG_PCI, "Assign MSI to user: %s, num_vectors: %d, user_base_data: %u, base_vector: %u\n", 3691399fb87SGovind Singh user_name, *num_vectors, *user_base_data, 3701399fb87SGovind Singh *base_vector); 3711399fb87SGovind Singh 3721399fb87SGovind Singh return 0; 3731399fb87SGovind Singh } 3741399fb87SGovind Singh } 3751399fb87SGovind Singh 3761399fb87SGovind Singh ath11k_err(ab, "Failed to find MSI assignment for %s!\n", user_name); 3771399fb87SGovind Singh 3781399fb87SGovind Singh return -EINVAL; 3791399fb87SGovind Singh } 3801399fb87SGovind Singh 381*c4eacabeSGovind Singh static int ath11k_get_user_msi_assignment(struct ath11k_base *ab, char *user_name, 382*c4eacabeSGovind Singh int *num_vectors, u32 *user_base_data, 383*c4eacabeSGovind Singh u32 *base_vector) 384*c4eacabeSGovind Singh { 385*c4eacabeSGovind Singh struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); 386*c4eacabeSGovind Singh 387*c4eacabeSGovind Singh return ath11k_pci_get_user_msi_assignment(ab_pci, user_name, 388*c4eacabeSGovind Singh num_vectors, user_base_data, 389*c4eacabeSGovind Singh base_vector); 390*c4eacabeSGovind Singh } 391*c4eacabeSGovind Singh 3927f4beda2SGovind Singh static void ath11k_pci_free_irq(struct ath11k_base *ab) 3937f4beda2SGovind Singh { 3947f4beda2SGovind Singh int i, irq_idx; 3957f4beda2SGovind Singh 3967f4beda2SGovind Singh for (i = 0; i < CE_COUNT; i++) { 3977f4beda2SGovind Singh if (ath11k_ce_get_attr_flags(i) & CE_ATTR_DIS_INTR) 3987f4beda2SGovind Singh continue; 3997f4beda2SGovind Singh irq_idx = ATH11K_PCI_IRQ_CE0_OFFSET + i; 4007f4beda2SGovind Singh free_irq(ab->irq_num[irq_idx], &ab->ce.ce_pipe[i]); 4017f4beda2SGovind Singh } 4027f4beda2SGovind Singh } 4037f4beda2SGovind Singh 4047f4beda2SGovind Singh static void ath11k_pci_ce_irq_disable(struct ath11k_base *ab, u16 ce_id) 4057f4beda2SGovind Singh { 4067f4beda2SGovind Singh u32 irq_idx; 4077f4beda2SGovind Singh 4087f4beda2SGovind Singh irq_idx = ATH11K_PCI_IRQ_CE0_OFFSET + ce_id; 4097f4beda2SGovind Singh disable_irq_nosync(ab->irq_num[irq_idx]); 4107f4beda2SGovind Singh } 4117f4beda2SGovind Singh 4127f4beda2SGovind Singh static irqreturn_t ath11k_pci_ce_interrupt_handler(int irq, void *arg) 4137f4beda2SGovind Singh { 4147f4beda2SGovind Singh struct ath11k_ce_pipe *ce_pipe = arg; 4157f4beda2SGovind Singh 4167f4beda2SGovind Singh ath11k_pci_ce_irq_disable(ce_pipe->ab, ce_pipe->pipe_num); 4177f4beda2SGovind Singh 4187f4beda2SGovind Singh return IRQ_HANDLED; 4197f4beda2SGovind Singh } 4207f4beda2SGovind Singh 4217f4beda2SGovind Singh static int ath11k_pci_config_irq(struct ath11k_base *ab) 4227f4beda2SGovind Singh { 4237f4beda2SGovind Singh struct ath11k_ce_pipe *ce_pipe; 4247f4beda2SGovind Singh u32 msi_data_start; 4257f4beda2SGovind Singh u32 msi_data_count; 4267f4beda2SGovind Singh u32 msi_irq_start; 4277f4beda2SGovind Singh unsigned int msi_data; 4287f4beda2SGovind Singh int irq, i, ret, irq_idx; 4297f4beda2SGovind Singh 4307f4beda2SGovind Singh ret = ath11k_pci_get_user_msi_assignment(ath11k_pci_priv(ab), 4317f4beda2SGovind Singh "CE", &msi_data_count, 4327f4beda2SGovind Singh &msi_data_start, &msi_irq_start); 4337f4beda2SGovind Singh if (ret) 4347f4beda2SGovind Singh return ret; 4357f4beda2SGovind Singh 4367f4beda2SGovind Singh /* Configure CE irqs */ 4377f4beda2SGovind Singh for (i = 0; i < CE_COUNT; i++) { 4387f4beda2SGovind Singh msi_data = (i % msi_data_count) + msi_irq_start; 4397f4beda2SGovind Singh irq = ath11k_pci_get_msi_irq(ab->dev, msi_data); 4407f4beda2SGovind Singh ce_pipe = &ab->ce.ce_pipe[i]; 4417f4beda2SGovind Singh 4427f4beda2SGovind Singh if (ath11k_ce_get_attr_flags(i) & CE_ATTR_DIS_INTR) 4437f4beda2SGovind Singh continue; 4447f4beda2SGovind Singh 4457f4beda2SGovind Singh irq_idx = ATH11K_PCI_IRQ_CE0_OFFSET + i; 4467f4beda2SGovind Singh 4477f4beda2SGovind Singh ret = request_irq(irq, ath11k_pci_ce_interrupt_handler, 4487f4beda2SGovind Singh IRQF_SHARED, irq_name[irq_idx], 4497f4beda2SGovind Singh ce_pipe); 4507f4beda2SGovind Singh if (ret) { 4517f4beda2SGovind Singh ath11k_err(ab, "failed to request irq %d: %d\n", 4527f4beda2SGovind Singh irq_idx, ret); 4537f4beda2SGovind Singh return ret; 4547f4beda2SGovind Singh } 4557f4beda2SGovind Singh 4567f4beda2SGovind Singh ab->irq_num[irq_idx] = irq; 4577f4beda2SGovind Singh } 4587f4beda2SGovind Singh 4597f4beda2SGovind Singh return 0; 4607f4beda2SGovind Singh } 4617f4beda2SGovind Singh 4627f4beda2SGovind Singh static void ath11k_pci_init_qmi_ce_config(struct ath11k_base *ab) 4637f4beda2SGovind Singh { 4647f4beda2SGovind Singh struct ath11k_qmi_ce_cfg *cfg = &ab->qmi.ce_cfg; 4657f4beda2SGovind Singh 4667f4beda2SGovind Singh cfg->tgt_ce = target_ce_config_wlan; 4677f4beda2SGovind Singh cfg->tgt_ce_len = ARRAY_SIZE(target_ce_config_wlan); 4687f4beda2SGovind Singh 4697f4beda2SGovind Singh cfg->svc_to_ce_map = target_service_to_ce_map_wlan; 4707f4beda2SGovind Singh cfg->svc_to_ce_map_len = ARRAY_SIZE(target_service_to_ce_map_wlan); 471eb8de049SGovind Singh ab->qmi.service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCA6390; 4727f4beda2SGovind Singh } 4737f4beda2SGovind Singh 4747f4beda2SGovind Singh static void ath11k_pci_ce_irq_enable(struct ath11k_base *ab, u16 ce_id) 4757f4beda2SGovind Singh { 4767f4beda2SGovind Singh u32 irq_idx; 4777f4beda2SGovind Singh 4787f4beda2SGovind Singh irq_idx = ATH11K_PCI_IRQ_CE0_OFFSET + ce_id; 4797f4beda2SGovind Singh enable_irq(ab->irq_num[irq_idx]); 4807f4beda2SGovind Singh } 4817f4beda2SGovind Singh 4827f4beda2SGovind Singh static void ath11k_pci_ce_irqs_enable(struct ath11k_base *ab) 4837f4beda2SGovind Singh { 4847f4beda2SGovind Singh int i; 4857f4beda2SGovind Singh 4867f4beda2SGovind Singh for (i = 0; i < CE_COUNT; i++) { 4877f4beda2SGovind Singh if (ath11k_ce_get_attr_flags(i) & CE_ATTR_DIS_INTR) 4887f4beda2SGovind Singh continue; 4897f4beda2SGovind Singh ath11k_pci_ce_irq_enable(ab, i); 4907f4beda2SGovind Singh } 4917f4beda2SGovind Singh } 4927f4beda2SGovind Singh 4935697a564SGovind Singh static int ath11k_pci_enable_msi(struct ath11k_pci *ab_pci) 4945697a564SGovind Singh { 4955697a564SGovind Singh struct ath11k_base *ab = ab_pci->ab; 4965697a564SGovind Singh struct msi_desc *msi_desc; 4975697a564SGovind Singh int num_vectors; 4985697a564SGovind Singh int ret; 4995697a564SGovind Singh 5005697a564SGovind Singh num_vectors = pci_alloc_irq_vectors(ab_pci->pdev, 5015697a564SGovind Singh msi_config.total_vectors, 5025697a564SGovind Singh msi_config.total_vectors, 5035697a564SGovind Singh PCI_IRQ_MSI); 5045697a564SGovind Singh if (num_vectors != msi_config.total_vectors) { 5055697a564SGovind Singh ath11k_err(ab, "failed to get %d MSI vectors, only %d available", 5065697a564SGovind Singh msi_config.total_vectors, num_vectors); 5075697a564SGovind Singh 5085697a564SGovind Singh if (num_vectors >= 0) 5095697a564SGovind Singh return -EINVAL; 5105697a564SGovind Singh else 5115697a564SGovind Singh return num_vectors; 5125697a564SGovind Singh } 5135697a564SGovind Singh 5145697a564SGovind Singh msi_desc = irq_get_msi_desc(ab_pci->pdev->irq); 5155697a564SGovind Singh if (!msi_desc) { 5165697a564SGovind Singh ath11k_err(ab, "msi_desc is NULL!\n"); 5175697a564SGovind Singh ret = -EINVAL; 5185697a564SGovind Singh goto free_msi_vector; 5195697a564SGovind Singh } 5205697a564SGovind Singh 5215697a564SGovind Singh ab_pci->msi_ep_base_data = msi_desc->msg.data; 5225697a564SGovind Singh 5235697a564SGovind Singh ath11k_dbg(ab, ATH11K_DBG_PCI, "msi base data is %d\n", ab_pci->msi_ep_base_data); 5245697a564SGovind Singh 5255697a564SGovind Singh return 0; 5265697a564SGovind Singh 5275697a564SGovind Singh free_msi_vector: 5285697a564SGovind Singh pci_free_irq_vectors(ab_pci->pdev); 5295697a564SGovind Singh 5305697a564SGovind Singh return ret; 5315697a564SGovind Singh } 5325697a564SGovind Singh 5335697a564SGovind Singh static void ath11k_pci_disable_msi(struct ath11k_pci *ab_pci) 5345697a564SGovind Singh { 5355697a564SGovind Singh pci_free_irq_vectors(ab_pci->pdev); 5365697a564SGovind Singh } 5375697a564SGovind Singh 5385762613eSGovind Singh static int ath11k_pci_claim(struct ath11k_pci *ab_pci, struct pci_dev *pdev) 5395762613eSGovind Singh { 5405762613eSGovind Singh struct ath11k_base *ab = ab_pci->ab; 5415762613eSGovind Singh u16 device_id; 5425762613eSGovind Singh int ret = 0; 5435762613eSGovind Singh 5445762613eSGovind Singh pci_read_config_word(pdev, PCI_DEVICE_ID, &device_id); 5455762613eSGovind Singh if (device_id != ab_pci->dev_id) { 5465762613eSGovind Singh ath11k_err(ab, "pci device id mismatch: 0x%x 0x%x\n", 5475762613eSGovind Singh device_id, ab_pci->dev_id); 5485762613eSGovind Singh ret = -EIO; 5495762613eSGovind Singh goto out; 5505762613eSGovind Singh } 5515762613eSGovind Singh 5525762613eSGovind Singh ret = pci_assign_resource(pdev, ATH11K_PCI_BAR_NUM); 5535762613eSGovind Singh if (ret) { 5545762613eSGovind Singh ath11k_err(ab, "failed to assign pci resource: %d\n", ret); 5555762613eSGovind Singh goto out; 5565762613eSGovind Singh } 5575762613eSGovind Singh 5585762613eSGovind Singh ret = pci_enable_device(pdev); 5595762613eSGovind Singh if (ret) { 5605762613eSGovind Singh ath11k_err(ab, "failed to enable pci device: %d\n", ret); 5615762613eSGovind Singh goto out; 5625762613eSGovind Singh } 5635762613eSGovind Singh 5645762613eSGovind Singh ret = pci_request_region(pdev, ATH11K_PCI_BAR_NUM, "ath11k_pci"); 5655762613eSGovind Singh if (ret) { 5665762613eSGovind Singh ath11k_err(ab, "failed to request pci region: %d\n", ret); 5675762613eSGovind Singh goto disable_device; 5685762613eSGovind Singh } 5695762613eSGovind Singh 5705762613eSGovind Singh ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(ATH11K_PCI_DMA_MASK)); 5715762613eSGovind Singh if (ret) { 5725762613eSGovind Singh ath11k_err(ab, "failed to set pci dma mask to %d: %d\n", 5735762613eSGovind Singh ATH11K_PCI_DMA_MASK, ret); 5745762613eSGovind Singh goto release_region; 5755762613eSGovind Singh } 5765762613eSGovind Singh 5775762613eSGovind Singh ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(ATH11K_PCI_DMA_MASK)); 5785762613eSGovind Singh if (ret) { 5795762613eSGovind Singh ath11k_err(ab, "failed to set pci consistent dma mask to %d: %d\n", 5805762613eSGovind Singh ATH11K_PCI_DMA_MASK, ret); 5815762613eSGovind Singh goto release_region; 5825762613eSGovind Singh } 5835762613eSGovind Singh 5845762613eSGovind Singh pci_set_master(pdev); 5855762613eSGovind Singh 5865762613eSGovind Singh ab->mem_len = pci_resource_len(pdev, ATH11K_PCI_BAR_NUM); 5875762613eSGovind Singh ab->mem = pci_iomap(pdev, ATH11K_PCI_BAR_NUM, 0); 5885762613eSGovind Singh if (!ab->mem) { 5895762613eSGovind Singh ath11k_err(ab, "failed to map pci bar %d\n", ATH11K_PCI_BAR_NUM); 5905762613eSGovind Singh ret = -EIO; 5915762613eSGovind Singh goto clear_master; 5925762613eSGovind Singh } 5935762613eSGovind Singh 5945762613eSGovind Singh ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot pci_mem 0x%pK\n", ab->mem); 5955762613eSGovind Singh return 0; 5965762613eSGovind Singh 5975762613eSGovind Singh clear_master: 5985762613eSGovind Singh pci_clear_master(pdev); 5995762613eSGovind Singh release_region: 6005762613eSGovind Singh pci_release_region(pdev, ATH11K_PCI_BAR_NUM); 6015762613eSGovind Singh disable_device: 6025762613eSGovind Singh pci_disable_device(pdev); 6035762613eSGovind Singh out: 6045762613eSGovind Singh return ret; 6055762613eSGovind Singh } 6065762613eSGovind Singh 6075762613eSGovind Singh static void ath11k_pci_free_region(struct ath11k_pci *ab_pci) 6085762613eSGovind Singh { 6095762613eSGovind Singh struct ath11k_base *ab = ab_pci->ab; 6105762613eSGovind Singh struct pci_dev *pci_dev = ab_pci->pdev; 6115762613eSGovind Singh 6125762613eSGovind Singh pci_iounmap(pci_dev, ab->mem); 6135762613eSGovind Singh ab->mem = NULL; 6145762613eSGovind Singh pci_clear_master(pci_dev); 6155762613eSGovind Singh pci_release_region(pci_dev, ATH11K_PCI_BAR_NUM); 6165762613eSGovind Singh if (pci_is_enabled(pci_dev)) 6175762613eSGovind Singh pci_disable_device(pci_dev); 6185762613eSGovind Singh } 6195762613eSGovind Singh 6201399fb87SGovind Singh static int ath11k_pci_power_up(struct ath11k_base *ab) 6211399fb87SGovind Singh { 6221399fb87SGovind Singh struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); 6231399fb87SGovind Singh int ret; 6241399fb87SGovind Singh 6251399fb87SGovind Singh ret = ath11k_mhi_start(ab_pci); 6261399fb87SGovind Singh if (ret) { 6271399fb87SGovind Singh ath11k_err(ab, "failed to start mhi: %d\n", ret); 6281399fb87SGovind Singh return ret; 6291399fb87SGovind Singh } 6301399fb87SGovind Singh 6311399fb87SGovind Singh return 0; 6321399fb87SGovind Singh } 6331399fb87SGovind Singh 6341399fb87SGovind Singh static void ath11k_pci_power_down(struct ath11k_base *ab) 6351399fb87SGovind Singh { 6361399fb87SGovind Singh struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); 6371399fb87SGovind Singh 6381399fb87SGovind Singh ath11k_mhi_stop(ab_pci); 6391399fb87SGovind Singh } 6401399fb87SGovind Singh 6417f4beda2SGovind Singh static void ath11k_pci_stop(struct ath11k_base *ab) 6427f4beda2SGovind Singh { 6437f4beda2SGovind Singh ath11k_ce_cleanup_pipes(ab); 6447f4beda2SGovind Singh } 6457f4beda2SGovind Singh 6467f4beda2SGovind Singh static int ath11k_pci_start(struct ath11k_base *ab) 6477f4beda2SGovind Singh { 6487f4beda2SGovind Singh ath11k_pci_ce_irqs_enable(ab); 6497f4beda2SGovind Singh 6507f4beda2SGovind Singh return 0; 6517f4beda2SGovind Singh } 6527f4beda2SGovind Singh 6537f4beda2SGovind Singh static const struct ath11k_hif_ops ath11k_pci_hif_ops = { 6547f4beda2SGovind Singh .start = ath11k_pci_start, 6557f4beda2SGovind Singh .stop = ath11k_pci_stop, 656654e959aSGovind Singh .read32 = ath11k_pci_read32, 657654e959aSGovind Singh .write32 = ath11k_pci_write32, 6581399fb87SGovind Singh .power_down = ath11k_pci_power_down, 6591399fb87SGovind Singh .power_up = ath11k_pci_power_up, 660*c4eacabeSGovind Singh .get_msi_address = ath11k_pci_get_msi_address, 661*c4eacabeSGovind Singh .get_user_msi_vector = ath11k_get_user_msi_assignment, 6621399fb87SGovind Singh }; 6631399fb87SGovind Singh 6646e0355afSGovind Singh static int ath11k_pci_probe(struct pci_dev *pdev, 6656e0355afSGovind Singh const struct pci_device_id *pci_dev) 6666e0355afSGovind Singh { 6676e0355afSGovind Singh struct ath11k_base *ab; 6685762613eSGovind Singh struct ath11k_pci *ab_pci; 6696e0355afSGovind Singh enum ath11k_hw_rev hw_rev; 6705762613eSGovind Singh int ret; 6716e0355afSGovind Singh 6726e0355afSGovind Singh dev_warn(&pdev->dev, "WARNING: ath11k PCI support is experimental!\n"); 6736e0355afSGovind Singh 6746e0355afSGovind Singh switch (pci_dev->device) { 6756e0355afSGovind Singh case QCA6390_DEVICE_ID: 6766e0355afSGovind Singh hw_rev = ATH11K_HW_QCA6390_HW20; 6776e0355afSGovind Singh break; 6786e0355afSGovind Singh default: 6796e0355afSGovind Singh dev_err(&pdev->dev, "Unknown PCI device found: 0x%x\n", 6806e0355afSGovind Singh pci_dev->device); 6816e0355afSGovind Singh return -ENOTSUPP; 6826e0355afSGovind Singh } 6836e0355afSGovind Singh 6841ff8ed78SGovind Singh ab = ath11k_core_alloc(&pdev->dev, sizeof(*ab_pci), ATH11K_BUS_PCI, 6851ff8ed78SGovind Singh &ath11k_pci_bus_params); 6866e0355afSGovind Singh if (!ab) { 6876e0355afSGovind Singh dev_err(&pdev->dev, "failed to allocate ath11k base\n"); 6886e0355afSGovind Singh return -ENOMEM; 6896e0355afSGovind Singh } 6906e0355afSGovind Singh 6916e0355afSGovind Singh ab->dev = &pdev->dev; 6926e0355afSGovind Singh ab->hw_rev = hw_rev; 6936e0355afSGovind Singh pci_set_drvdata(pdev, ab); 6945762613eSGovind Singh ab_pci = ath11k_pci_priv(ab); 6955762613eSGovind Singh ab_pci->dev_id = pci_dev->device; 6965762613eSGovind Singh ab_pci->ab = ab; 6975697a564SGovind Singh ab_pci->pdev = pdev; 6987f4beda2SGovind Singh ab->hif.ops = &ath11k_pci_hif_ops; 6995762613eSGovind Singh pci_set_drvdata(pdev, ab); 700654e959aSGovind Singh spin_lock_init(&ab_pci->window_lock); 7015762613eSGovind Singh 7025762613eSGovind Singh ret = ath11k_pci_claim(ab_pci, pdev); 7035762613eSGovind Singh if (ret) { 7045762613eSGovind Singh ath11k_err(ab, "failed to claim device: %d\n", ret); 7055762613eSGovind Singh goto err_free_core; 7065762613eSGovind Singh } 7076e0355afSGovind Singh 7085697a564SGovind Singh ret = ath11k_pci_enable_msi(ab_pci); 7095697a564SGovind Singh if (ret) { 7105697a564SGovind Singh ath11k_err(ab, "failed to enable msi: %d\n", ret); 7115697a564SGovind Singh goto err_pci_free_region; 7125697a564SGovind Singh } 7135697a564SGovind Singh 714b8246f88SKalle Valo ret = ath11k_core_pre_init(ab); 715b8246f88SKalle Valo if (ret) 716b8246f88SKalle Valo goto err_pci_disable_msi; 717b8246f88SKalle Valo 7181399fb87SGovind Singh ret = ath11k_mhi_register(ab_pci); 7191399fb87SGovind Singh if (ret) { 7201399fb87SGovind Singh ath11k_err(ab, "failed to register mhi: %d\n", ret); 7211399fb87SGovind Singh goto err_pci_disable_msi; 7221399fb87SGovind Singh } 7231399fb87SGovind Singh 7247f4beda2SGovind Singh ret = ath11k_hal_srng_init(ab); 7257f4beda2SGovind Singh if (ret) 7267f4beda2SGovind Singh goto err_mhi_unregister; 7277f4beda2SGovind Singh 7287f4beda2SGovind Singh ret = ath11k_ce_alloc_pipes(ab); 7297f4beda2SGovind Singh if (ret) { 7307f4beda2SGovind Singh ath11k_err(ab, "failed to allocate ce pipes: %d\n", ret); 7317f4beda2SGovind Singh goto err_hal_srng_deinit; 7327f4beda2SGovind Singh } 7337f4beda2SGovind Singh 7347f4beda2SGovind Singh ath11k_pci_init_qmi_ce_config(ab); 7357f4beda2SGovind Singh 7367f4beda2SGovind Singh ret = ath11k_pci_config_irq(ab); 7377f4beda2SGovind Singh if (ret) { 7387f4beda2SGovind Singh ath11k_err(ab, "failed to config irq: %d\n", ret); 7397f4beda2SGovind Singh goto err_ce_free; 7407f4beda2SGovind Singh } 7417f4beda2SGovind Singh 7427f4beda2SGovind Singh ret = ath11k_core_init(ab); 7437f4beda2SGovind Singh if (ret) { 7447f4beda2SGovind Singh ath11k_err(ab, "failed to init core: %d\n", ret); 7457f4beda2SGovind Singh goto err_free_irq; 7467f4beda2SGovind Singh } 7476e0355afSGovind Singh return 0; 7485762613eSGovind Singh 7497f4beda2SGovind Singh err_free_irq: 7507f4beda2SGovind Singh ath11k_pci_free_irq(ab); 7517f4beda2SGovind Singh 7527f4beda2SGovind Singh err_ce_free: 7537f4beda2SGovind Singh ath11k_ce_free_pipes(ab); 7547f4beda2SGovind Singh 7557f4beda2SGovind Singh err_hal_srng_deinit: 7567f4beda2SGovind Singh ath11k_hal_srng_deinit(ab); 7577f4beda2SGovind Singh 7587f4beda2SGovind Singh err_mhi_unregister: 7597f4beda2SGovind Singh ath11k_mhi_unregister(ab_pci); 7607f4beda2SGovind Singh 761b8246f88SKalle Valo err_pci_disable_msi: 762b8246f88SKalle Valo ath11k_pci_disable_msi(ab_pci); 763b8246f88SKalle Valo 7645697a564SGovind Singh err_pci_free_region: 7655697a564SGovind Singh ath11k_pci_free_region(ab_pci); 7665697a564SGovind Singh 7675762613eSGovind Singh err_free_core: 7685762613eSGovind Singh ath11k_core_free(ab); 7695697a564SGovind Singh 7705762613eSGovind Singh return ret; 7716e0355afSGovind Singh } 7726e0355afSGovind Singh 7736e0355afSGovind Singh static void ath11k_pci_remove(struct pci_dev *pdev) 7746e0355afSGovind Singh { 7756e0355afSGovind Singh struct ath11k_base *ab = pci_get_drvdata(pdev); 7765762613eSGovind Singh struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); 7776e0355afSGovind Singh 7786e0355afSGovind Singh set_bit(ATH11K_FLAG_UNREGISTERING, &ab->dev_flags); 7791399fb87SGovind Singh ath11k_mhi_unregister(ab_pci); 7805697a564SGovind Singh ath11k_pci_disable_msi(ab_pci); 7815762613eSGovind Singh ath11k_pci_free_region(ab_pci); 7827f4beda2SGovind Singh ath11k_pci_free_irq(ab); 7836e0355afSGovind Singh ath11k_core_free(ab); 7846e0355afSGovind Singh } 7856e0355afSGovind Singh 7861399fb87SGovind Singh static void ath11k_pci_shutdown(struct pci_dev *pdev) 7871399fb87SGovind Singh { 7881399fb87SGovind Singh struct ath11k_base *ab = pci_get_drvdata(pdev); 7891399fb87SGovind Singh 7901399fb87SGovind Singh ath11k_pci_power_down(ab); 7911399fb87SGovind Singh } 7921399fb87SGovind Singh 7936e0355afSGovind Singh static struct pci_driver ath11k_pci_driver = { 7946e0355afSGovind Singh .name = "ath11k_pci", 7956e0355afSGovind Singh .id_table = ath11k_pci_id_table, 7966e0355afSGovind Singh .probe = ath11k_pci_probe, 7976e0355afSGovind Singh .remove = ath11k_pci_remove, 7981399fb87SGovind Singh .shutdown = ath11k_pci_shutdown, 7996e0355afSGovind Singh }; 8006e0355afSGovind Singh 8016e0355afSGovind Singh static int ath11k_pci_init(void) 8026e0355afSGovind Singh { 8036e0355afSGovind Singh int ret; 8046e0355afSGovind Singh 8056e0355afSGovind Singh ret = pci_register_driver(&ath11k_pci_driver); 8066e0355afSGovind Singh if (ret) 8076e0355afSGovind Singh pr_err("failed to register ath11k pci driver: %d\n", 8086e0355afSGovind Singh ret); 8096e0355afSGovind Singh 8106e0355afSGovind Singh return ret; 8116e0355afSGovind Singh } 8126e0355afSGovind Singh module_init(ath11k_pci_init); 8136e0355afSGovind Singh 8146e0355afSGovind Singh static void ath11k_pci_exit(void) 8156e0355afSGovind Singh { 8166e0355afSGovind Singh pci_unregister_driver(&ath11k_pci_driver); 8176e0355afSGovind Singh } 8186e0355afSGovind Singh 8196e0355afSGovind Singh module_exit(ath11k_pci_exit); 8206e0355afSGovind Singh 8216e0355afSGovind Singh MODULE_DESCRIPTION("Driver support for Qualcomm Technologies 802.11ax WLAN PCIe devices"); 8226e0355afSGovind Singh MODULE_LICENSE("Dual BSD/GPL"); 823