From: Govind Singh Date: Thu, 13 Aug 2020 09:04:25 +0000 (+0300) Subject: ath11k: pci: add HAL, CE and core initialisation X-Git-Tag: v5.15~2655^2~309^2~138^2~51 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7f4beda2ba0393ecb04b4ae3017f819041236c43;p=platform%2Fkernel%2Flinux-starfive.git ath11k: pci: add HAL, CE and core initialisation Define CE pipe/qmi config and setup pci irq for the same. Call ath11k_core_init(). Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2 Signed-off-by: Govind Singh Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/1597309466-19688-10-git-send-email-kvalo@codeaurora.org --- diff --git a/drivers/net/wireless/ath/ath11k/ce.c b/drivers/net/wireless/ath/ath11k/ce.c index 7ae1bef..2fff171 100644 --- a/drivers/net/wireless/ath/ath11k/ce.c +++ b/drivers/net/wireless/ath/ath11k/ce.c @@ -619,6 +619,7 @@ void ath11k_ce_cleanup_pipes(struct ath11k_base *ab) /* NOTE: Should we also clean up tx buffer in all pipes? */ } } +EXPORT_SYMBOL(ath11k_ce_cleanup_pipes); void ath11k_ce_rx_post_buf(struct ath11k_base *ab) { @@ -780,6 +781,7 @@ int ath11k_ce_alloc_pipes(struct ath11k_base *ab) return 0; } +EXPORT_SYMBOL(ath11k_ce_alloc_pipes); /* For Big Endian Host, Copy Engine byte_swap is enabled * When Copy Engine does byte_swap, need to byte swap again for the diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index 5c84995..741093d 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -783,6 +783,7 @@ int ath11k_core_init(struct ath11k_base *ab) return 0; } +EXPORT_SYMBOL(ath11k_core_init); void ath11k_core_deinit(struct ath11k_base *ab) { diff --git a/drivers/net/wireless/ath/ath11k/hal.c b/drivers/net/wireless/ath/ath11k/hal.c index c7b2647..fe4df2b 100644 --- a/drivers/net/wireless/ath/ath11k/hal.c +++ b/drivers/net/wireless/ath/ath11k/hal.c @@ -1127,6 +1127,7 @@ err_free_cont_rdp: err_hal: return ret; } +EXPORT_SYMBOL(ath11k_hal_srng_init); void ath11k_hal_srng_deinit(struct ath11k_base *ab) { diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index 6f7789f..d106876 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -16,6 +16,8 @@ #define ATH11K_PCI_BAR_NUM 0 #define ATH11K_PCI_DMA_MASK 32 +#define ATH11K_PCI_IRQ_CE0_OFFSET 3 + #define QCA6390_DEVICE_ID 0x1101 static const struct pci_device_id ath11k_pci_id_table[] = { @@ -36,6 +38,241 @@ static const struct ath11k_msi_config msi_config = { }, }; +/* Target firmware's Copy Engine configuration. */ +static const struct ce_pipe_config target_ce_config_wlan[] = { + /* CE0: host->target HTC control and raw streams */ + { + .pipenum = __cpu_to_le32(0), + .pipedir = __cpu_to_le32(PIPEDIR_OUT), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + + /* CE1: target->host HTT + HTC control */ + { + .pipenum = __cpu_to_le32(1), + .pipedir = __cpu_to_le32(PIPEDIR_IN), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + + /* CE2: target->host WMI */ + { + .pipenum = __cpu_to_le32(2), + .pipedir = __cpu_to_le32(PIPEDIR_IN), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + + /* CE3: host->target WMI */ + { + .pipenum = __cpu_to_le32(3), + .pipedir = __cpu_to_le32(PIPEDIR_OUT), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + + /* CE4: host->target HTT */ + { + .pipenum = __cpu_to_le32(4), + .pipedir = __cpu_to_le32(PIPEDIR_OUT), + .nentries = __cpu_to_le32(256), + .nbytes_max = __cpu_to_le32(256), + .flags = __cpu_to_le32(CE_ATTR_FLAGS | CE_ATTR_DIS_INTR), + .reserved = __cpu_to_le32(0), + }, + + /* CE5: target->host Pktlog */ + { + .pipenum = __cpu_to_le32(5), + .pipedir = __cpu_to_le32(PIPEDIR_IN), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + + /* CE6: Reserved for target autonomous hif_memcpy */ + { + .pipenum = __cpu_to_le32(6), + .pipedir = __cpu_to_le32(PIPEDIR_INOUT), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(16384), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + + /* CE7 used only by Host */ + { + .pipenum = __cpu_to_le32(7), + .pipedir = __cpu_to_le32(PIPEDIR_INOUT_H2H), + .nentries = __cpu_to_le32(0), + .nbytes_max = __cpu_to_le32(0), + .flags = __cpu_to_le32(CE_ATTR_FLAGS | CE_ATTR_DIS_INTR), + .reserved = __cpu_to_le32(0), + }, + + /* CE8 target->host used only by IPA */ + { + .pipenum = __cpu_to_le32(8), + .pipedir = __cpu_to_le32(PIPEDIR_INOUT), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(16384), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + /* CE 9, 10, 11 are used by MHI driver */ +}; + +/* Map from service/endpoint to Copy Engine. + * This table is derived from the CE_PCI TABLE, above. + * It is passed to the Target at startup for use by firmware. + */ +static const struct service_to_pipe target_service_to_ce_map_wlan[] = { + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_VO), + __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ + __cpu_to_le32(3), + }, + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_VO), + __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ + __cpu_to_le32(2), + }, + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_BK), + __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ + __cpu_to_le32(3), + }, + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_BK), + __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ + __cpu_to_le32(2), + }, + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_BE), + __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ + __cpu_to_le32(3), + }, + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_BE), + __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ + __cpu_to_le32(2), + }, + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_VI), + __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ + __cpu_to_le32(3), + }, + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_DATA_VI), + __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ + __cpu_to_le32(2), + }, + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_CONTROL), + __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ + __cpu_to_le32(3), + }, + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_WMI_CONTROL), + __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ + __cpu_to_le32(2), + }, + + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_RSVD_CTRL), + __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ + __cpu_to_le32(0), + }, + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_RSVD_CTRL), + __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ + __cpu_to_le32(2), + }, + + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_HTT_DATA_MSG), + __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ + __cpu_to_le32(4), + }, + { + __cpu_to_le32(ATH11K_HTC_SVC_ID_HTT_DATA_MSG), + __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */ + __cpu_to_le32(1), + }, + + /* (Additions here) */ + + { /* must be last */ + __cpu_to_le32(0), + __cpu_to_le32(0), + __cpu_to_le32(0), + }, +}; + +static const char *irq_name[ATH11K_IRQ_NUM_MAX] = { + "bhi", + "mhi-er0", + "mhi-er1", + "ce0", + "ce1", + "ce2", + "ce3", + "ce4", + "ce5", + "ce6", + "ce7", + "ce8", + "ce9", + "ce10", + "ce11", + "host2wbm-desc-feed", + "host2reo-re-injection", + "host2reo-command", + "host2rxdma-monitor-ring3", + "host2rxdma-monitor-ring2", + "host2rxdma-monitor-ring1", + "reo2ost-exception", + "wbm2host-rx-release", + "reo2host-status", + "reo2host-destination-ring4", + "reo2host-destination-ring3", + "reo2host-destination-ring2", + "reo2host-destination-ring1", + "rxdma2host-monitor-destination-mac3", + "rxdma2host-monitor-destination-mac2", + "rxdma2host-monitor-destination-mac1", + "ppdu-end-interrupts-mac3", + "ppdu-end-interrupts-mac2", + "ppdu-end-interrupts-mac1", + "rxdma2host-monitor-status-ring-mac3", + "rxdma2host-monitor-status-ring-mac2", + "rxdma2host-monitor-status-ring-mac1", + "host2rxdma-host-buf-ring-mac3", + "host2rxdma-host-buf-ring-mac2", + "host2rxdma-host-buf-ring-mac1", + "rxdma2host-destination-ring-mac3", + "rxdma2host-destination-ring-mac2", + "rxdma2host-destination-ring-mac1", + "host2tcl-input-ring4", + "host2tcl-input-ring3", + "host2tcl-input-ring2", + "host2tcl-input-ring1", + "wbm2host-tx-completions-ring3", + "wbm2host-tx-completions-ring2", + "wbm2host-tx-completions-ring1", + "tcl2host-status-ring", +}; + int ath11k_pci_get_msi_irq(struct device *dev, unsigned int vector) { struct pci_dev *pci_dev = to_pci_dev(dev); @@ -70,6 +307,106 @@ int ath11k_pci_get_user_msi_assignment(struct ath11k_pci *ab_pci, char *user_nam return -EINVAL; } +static void ath11k_pci_free_irq(struct ath11k_base *ab) +{ + int i, irq_idx; + + for (i = 0; i < CE_COUNT; i++) { + if (ath11k_ce_get_attr_flags(i) & CE_ATTR_DIS_INTR) + continue; + irq_idx = ATH11K_PCI_IRQ_CE0_OFFSET + i; + free_irq(ab->irq_num[irq_idx], &ab->ce.ce_pipe[i]); + } +} + +static void ath11k_pci_ce_irq_disable(struct ath11k_base *ab, u16 ce_id) +{ + u32 irq_idx; + + irq_idx = ATH11K_PCI_IRQ_CE0_OFFSET + ce_id; + disable_irq_nosync(ab->irq_num[irq_idx]); +} + +static irqreturn_t ath11k_pci_ce_interrupt_handler(int irq, void *arg) +{ + struct ath11k_ce_pipe *ce_pipe = arg; + + ath11k_pci_ce_irq_disable(ce_pipe->ab, ce_pipe->pipe_num); + + return IRQ_HANDLED; +} + +static int ath11k_pci_config_irq(struct ath11k_base *ab) +{ + struct ath11k_ce_pipe *ce_pipe; + u32 msi_data_start; + u32 msi_data_count; + u32 msi_irq_start; + unsigned int msi_data; + int irq, i, ret, irq_idx; + + ret = ath11k_pci_get_user_msi_assignment(ath11k_pci_priv(ab), + "CE", &msi_data_count, + &msi_data_start, &msi_irq_start); + if (ret) + return ret; + + /* Configure CE irqs */ + for (i = 0; i < CE_COUNT; i++) { + msi_data = (i % msi_data_count) + msi_irq_start; + irq = ath11k_pci_get_msi_irq(ab->dev, msi_data); + ce_pipe = &ab->ce.ce_pipe[i]; + + if (ath11k_ce_get_attr_flags(i) & CE_ATTR_DIS_INTR) + continue; + + irq_idx = ATH11K_PCI_IRQ_CE0_OFFSET + i; + + ret = request_irq(irq, ath11k_pci_ce_interrupt_handler, + IRQF_SHARED, irq_name[irq_idx], + ce_pipe); + if (ret) { + ath11k_err(ab, "failed to request irq %d: %d\n", + irq_idx, ret); + return ret; + } + + ab->irq_num[irq_idx] = irq; + } + + return 0; +} + +static void ath11k_pci_init_qmi_ce_config(struct ath11k_base *ab) +{ + struct ath11k_qmi_ce_cfg *cfg = &ab->qmi.ce_cfg; + + cfg->tgt_ce = target_ce_config_wlan; + cfg->tgt_ce_len = ARRAY_SIZE(target_ce_config_wlan); + + cfg->svc_to_ce_map = target_service_to_ce_map_wlan; + cfg->svc_to_ce_map_len = ARRAY_SIZE(target_service_to_ce_map_wlan); +} + +static void ath11k_pci_ce_irq_enable(struct ath11k_base *ab, u16 ce_id) +{ + u32 irq_idx; + + irq_idx = ATH11K_PCI_IRQ_CE0_OFFSET + ce_id; + enable_irq(ab->irq_num[irq_idx]); +} + +static void ath11k_pci_ce_irqs_enable(struct ath11k_base *ab) +{ + int i; + + for (i = 0; i < CE_COUNT; i++) { + if (ath11k_ce_get_attr_flags(i) & CE_ATTR_DIS_INTR) + continue; + ath11k_pci_ce_irq_enable(ab, i); + } +} + static int ath11k_pci_enable_msi(struct ath11k_pci *ab_pci) { struct ath11k_base *ab = ab_pci->ab; @@ -218,7 +555,21 @@ static void ath11k_pci_power_down(struct ath11k_base *ab) ath11k_mhi_stop(ab_pci); } -static __maybe_unused const struct ath11k_hif_ops ath11k_pci_hif_ops = { +static void ath11k_pci_stop(struct ath11k_base *ab) +{ + ath11k_ce_cleanup_pipes(ab); +} + +static int ath11k_pci_start(struct ath11k_base *ab) +{ + ath11k_pci_ce_irqs_enable(ab); + + return 0; +} + +static const struct ath11k_hif_ops ath11k_pci_hif_ops = { + .start = ath11k_pci_start, + .stop = ath11k_pci_stop, .power_down = ath11k_pci_power_down, .power_up = ath11k_pci_power_up, }; @@ -256,6 +607,7 @@ static int ath11k_pci_probe(struct pci_dev *pdev, ab_pci->dev_id = pci_dev->device; ab_pci->ab = ab; ab_pci->pdev = pdev; + ab->hif.ops = &ath11k_pci_hif_ops; pci_set_drvdata(pdev, ab); ret = ath11k_pci_claim(ab_pci, pdev); @@ -280,8 +632,43 @@ static int ath11k_pci_probe(struct pci_dev *pdev, goto err_pci_disable_msi; } + ret = ath11k_hal_srng_init(ab); + if (ret) + goto err_mhi_unregister; + + ret = ath11k_ce_alloc_pipes(ab); + if (ret) { + ath11k_err(ab, "failed to allocate ce pipes: %d\n", ret); + goto err_hal_srng_deinit; + } + + ath11k_pci_init_qmi_ce_config(ab); + + ret = ath11k_pci_config_irq(ab); + if (ret) { + ath11k_err(ab, "failed to config irq: %d\n", ret); + goto err_ce_free; + } + + ret = ath11k_core_init(ab); + if (ret) { + ath11k_err(ab, "failed to init core: %d\n", ret); + goto err_free_irq; + } return 0; +err_free_irq: + ath11k_pci_free_irq(ab); + +err_ce_free: + ath11k_ce_free_pipes(ab); + +err_hal_srng_deinit: + ath11k_hal_srng_deinit(ab); + +err_mhi_unregister: + ath11k_mhi_unregister(ab_pci); + err_pci_disable_msi: ath11k_pci_disable_msi(ab_pci); @@ -303,6 +690,7 @@ static void ath11k_pci_remove(struct pci_dev *pdev) ath11k_mhi_unregister(ab_pci); ath11k_pci_disable_msi(ab_pci); ath11k_pci_free_region(ab_pci); + ath11k_pci_free_irq(ab); ath11k_core_free(ab); }