diff --git a/drivers/net/ipa/ipa_cmd.h b/drivers/net/ipa/ipa_cmd.h index 5824bb131ebab..2077fdbade99c 100644 --- a/drivers/net/ipa/ipa_cmd.h +++ b/drivers/net/ipa/ipa_cmd.h @@ -53,14 +53,6 @@ enum ipa_cmd_opcode { bool ipa_cmd_table_init_valid(struct ipa *ipa, const struct ipa_mem *mem, bool route); -/** - * ipa_cmd_data_valid() - Validate command-realted configuration is valid - * @ipa: - IPA pointer - * - * Return: true if assumptions required for command are valid - */ -bool ipa_cmd_data_valid(struct ipa *ipa); - /** * ipa_cmd_pool_init() - initialize command channel pools * @channel: AP->IPA command TX GSI channel pointer diff --git a/drivers/net/ipa/ipa_endpoint.h b/drivers/net/ipa/ipa_endpoint.h index 328b90dfd1695..e7d8ae6c6f6a6 100644 --- a/drivers/net/ipa/ipa_endpoint.h +++ b/drivers/net/ipa/ipa_endpoint.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. - * Copyright (C) 2019-2023 Linaro Ltd. + * Copyright (C) 2019-2024 Linaro Ltd. */ #ifndef _IPA_ENDPOINT_H_ #define _IPA_ENDPOINT_H_ @@ -199,9 +199,9 @@ int ipa_endpoint_init(struct ipa *ipa, u32 count, const struct ipa_gsi_endpoint_data *data); void ipa_endpoint_exit(struct ipa *ipa); -void ipa_endpoint_trans_complete(struct ipa_endpoint *ipa, +void ipa_endpoint_trans_complete(struct ipa_endpoint *endpoint, struct gsi_trans *trans); -void ipa_endpoint_trans_release(struct ipa_endpoint *ipa, +void ipa_endpoint_trans_release(struct ipa_endpoint *endpoint, struct gsi_trans *trans); #endif /* _IPA_ENDPOINT_H_ */ diff --git a/drivers/net/ipa/ipa_interrupt.c b/drivers/net/ipa/ipa_interrupt.c index 4d472f4b0002e..245a069970556 100644 --- a/drivers/net/ipa/ipa_interrupt.c +++ b/drivers/net/ipa/ipa_interrupt.c @@ -37,11 +37,13 @@ * @ipa: IPA pointer * @irq: Linux IRQ number used for IPA interrupts * @enabled: Mask indicating which interrupts are enabled + * @suspend_enabled: Bitmap of endpoints with the SUSPEND interrupt enabled */ struct ipa_interrupt { struct ipa *ipa; u32 irq; u32 enabled; + unsigned long *suspend_enabled; }; /* Clear the suspend interrupt for all endpoints that signaled it */ @@ -194,6 +196,7 @@ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt, u32 mask = BIT(endpoint_id % 32); u32 unit = endpoint_id / 32; const struct reg *reg; + unsigned long weight; u32 offset; u32 val; @@ -203,6 +206,10 @@ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt, if (ipa->version == IPA_VERSION_3_0) return; + weight = bitmap_weight(interrupt->suspend_enabled, ipa->endpoint_count); + if (weight == 1 && !enable) + ipa_interrupt_disable(ipa, IPA_IRQ_TX_SUSPEND); + reg = ipa_reg(ipa, IRQ_SUSPEND_EN); offset = reg_n_offset(reg, unit); val = ioread32(ipa->reg_virt + offset); @@ -211,8 +218,12 @@ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt, val |= mask; else val &= ~mask; + __change_bit(endpoint_id, interrupt->suspend_enabled); iowrite32(val, ipa->reg_virt + offset); + + if (!weight && enable) + ipa_interrupt_enable(ipa, IPA_IRQ_TX_SUSPEND); } /* Enable TX_SUSPEND for an endpoint */ @@ -246,7 +257,16 @@ int ipa_interrupt_config(struct ipa *ipa) interrupt->ipa = ipa; - /* Disable all IPA interrupt types */ + /* Initially all IPA interrupt types are disabled */ + interrupt->enabled = 0; + interrupt->suspend_enabled = bitmap_zalloc(ipa->endpoint_count, + GFP_KERNEL); + if (!interrupt->suspend_enabled) { + ret = -ENOMEM; + goto err_kfree; + } + + /* Disable IPA interrupt types */ reg = ipa_reg(ipa, IPA_IRQ_EN); iowrite32(0, ipa->reg_virt + reg_offset(reg)); @@ -254,22 +274,32 @@ int ipa_interrupt_config(struct ipa *ipa) "ipa", interrupt); if (ret) { dev_err(dev, "error %d requesting \"ipa\" IRQ\n", ret); - goto err_kfree; + goto err_free_bitmap; + } + + ret = device_init_wakeup(dev, true); + if (ret) { + dev_err(dev, "error %d enabling wakeup\n", ret); + goto err_free_irq; } ret = dev_pm_set_wake_irq(dev, irq); if (ret) { dev_err(dev, "error %d registering \"ipa\" IRQ as wakeirq\n", ret); - goto err_free_irq; + goto err_disable_wakeup; } ipa->interrupt = interrupt; return 0; +err_disable_wakeup: + (void)device_init_wakeup(dev, false); err_free_irq: free_irq(interrupt->irq, interrupt); +err_free_bitmap: + bitmap_free(interrupt->suspend_enabled); err_kfree: kfree(interrupt); @@ -285,7 +315,9 @@ void ipa_interrupt_deconfig(struct ipa *ipa) ipa->interrupt = NULL; dev_pm_clear_wake_irq(dev); + (void)device_init_wakeup(dev, false); free_irq(interrupt->irq, interrupt); + bitmap_free(interrupt->suspend_enabled); } /* Initialize the IPA interrupt structure */ diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c index 6523878c0d7f6..5f3dd5a2dcf46 100644 --- a/drivers/net/ipa/ipa_main.c +++ b/drivers/net/ipa/ipa_main.c @@ -119,10 +119,6 @@ int ipa_setup(struct ipa *ipa) if (ret) return ret; - ret = ipa_power_setup(ipa); - if (ret) - goto err_gsi_teardown; - ipa_endpoint_setup(ipa); /* We need to use the AP command TX endpoint to perform other @@ -169,8 +165,6 @@ int ipa_setup(struct ipa *ipa) ipa_endpoint_disable_one(command_endpoint); err_endpoint_teardown: ipa_endpoint_teardown(ipa); - ipa_power_teardown(ipa); -err_gsi_teardown: gsi_teardown(&ipa->gsi); return ret; @@ -195,7 +189,6 @@ static void ipa_teardown(struct ipa *ipa) command_endpoint = ipa->name_map[IPA_ENDPOINT_AP_COMMAND_TX]; ipa_endpoint_disable_one(command_endpoint); ipa_endpoint_teardown(ipa); - ipa_power_teardown(ipa); gsi_teardown(&ipa->gsi); } @@ -817,11 +810,6 @@ static int ipa_probe(struct platform_device *pdev) return -ENODEV; } - if (!ipa_version_supported(data->version)) { - dev_err(dev, "unsupported IPA version %u\n", data->version); - return -EINVAL; - } - if (!data->modem_route_count) { dev_err(dev, "modem_route_count cannot be zero\n"); return -EINVAL; @@ -872,6 +860,10 @@ static int ipa_probe(struct platform_device *pdev) if (ret) goto err_reg_exit; + ret = ipa_cmd_init(ipa); + if (ret) + goto err_mem_exit; + ret = gsi_init(&ipa->gsi, pdev, ipa->version, data->endpoint_count, data->endpoint_data); if (ret) diff --git a/drivers/net/ipa/ipa_power.c b/drivers/net/ipa/ipa_power.c index 3a7049923c381..65fd14da0f86f 100644 --- a/drivers/net/ipa/ipa_power.c +++ b/drivers/net/ipa/ipa_power.c @@ -232,25 +232,6 @@ void ipa_power_retention(struct ipa *ipa, bool enable) ret, enable ? "en" : "dis"); } -int ipa_power_setup(struct ipa *ipa) -{ - int ret; - - ipa_interrupt_enable(ipa, IPA_IRQ_TX_SUSPEND); - - ret = device_init_wakeup(ipa->dev, true); - if (ret) - ipa_interrupt_disable(ipa, IPA_IRQ_TX_SUSPEND); - - return ret; -} - -void ipa_power_teardown(struct ipa *ipa) -{ - (void)device_init_wakeup(ipa->dev, false); - ipa_interrupt_disable(ipa, IPA_IRQ_TX_SUSPEND); -} - /* Initialize IPA power management */ struct ipa_power * ipa_power_init(struct device *dev, const struct ipa_power_data *data) diff --git a/drivers/net/ipa/ipa_power.h b/drivers/net/ipa/ipa_power.h index 3ffaa0687caa8..a83524a61c28b 100644 --- a/drivers/net/ipa/ipa_power.h +++ b/drivers/net/ipa/ipa_power.h @@ -31,20 +31,6 @@ u32 ipa_core_clock_rate(struct ipa *ipa); */ void ipa_power_retention(struct ipa *ipa, bool enable); -/** - * ipa_power_setup() - Set up IPA power management - * @ipa: IPA pointer - * - * Return: 0 if successful, or a negative error code - */ -int ipa_power_setup(struct ipa *ipa); - -/** - * ipa_power_teardown() - Inverse of ipa_power_setup() - * @ipa: IPA pointer - */ -void ipa_power_teardown(struct ipa *ipa); - /** * ipa_power_init() - Initialize IPA power management * @dev: IPA device diff --git a/drivers/net/ipa/ipa_table.c b/drivers/net/ipa/ipa_table.c index 45eb24be78a2e..4e4a3f8aa8e84 100644 --- a/drivers/net/ipa/ipa_table.c +++ b/drivers/net/ipa/ipa_table.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. - * Copyright (C) 2018-2023 Linaro Ltd. + * Copyright (C) 2018-2024 Linaro Ltd. */ #include @@ -158,6 +158,12 @@ ipa_table_mem(struct ipa *ipa, bool filter, bool hashed, bool ipv6) return ipa_mem_find(ipa, mem_id); } +/* Return true if hashed tables are supported */ +bool ipa_table_hash_support(struct ipa *ipa) +{ + return ipa->version != IPA_VERSION_4_2; +} + bool ipa_filtered_valid(struct ipa *ipa, u64 filtered) { struct device *dev = ipa->dev; diff --git a/drivers/net/ipa/ipa_table.h b/drivers/net/ipa/ipa_table.h index 7cc951904bb48..16d4d15df9e9c 100644 --- a/drivers/net/ipa/ipa_table.h +++ b/drivers/net/ipa/ipa_table.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. - * Copyright (C) 2019-2022 Linaro Ltd. + * Copyright (C) 2019-2024 Linaro Ltd. */ #ifndef _IPA_TABLE_H_ #define _IPA_TABLE_H_ @@ -23,10 +23,7 @@ bool ipa_filtered_valid(struct ipa *ipa, u64 filtered); * ipa_table_hash_support() - Return true if hashed tables are supported * @ipa: IPA pointer */ -static inline bool ipa_table_hash_support(struct ipa *ipa) -{ - return ipa->version != IPA_VERSION_4_2; -} +bool ipa_table_hash_support(struct ipa *ipa); /** * ipa_table_reset() - Reset filter and route tables entries to "none" diff --git a/drivers/net/ipa/ipa_version.h b/drivers/net/ipa/ipa_version.h index 156388e90a141..38c47f51a50c9 100644 --- a/drivers/net/ipa/ipa_version.h +++ b/drivers/net/ipa/ipa_version.h @@ -47,24 +47,6 @@ enum ipa_version { IPA_VERSION_COUNT, /* Last; not a version */ }; -static inline bool ipa_version_supported(enum ipa_version version) -{ - switch (version) { - case IPA_VERSION_3_1: - case IPA_VERSION_3_5_1: - case IPA_VERSION_4_2: - case IPA_VERSION_4_5: - case IPA_VERSION_4_7: - case IPA_VERSION_4_9: - case IPA_VERSION_4_11: - case IPA_VERSION_5_0: - case IPA_VERSION_5_5: - return true; - default: - return false; - } -} - /* Execution environment IDs */ enum gsi_ee_id { GSI_EE_AP = 0x0, diff --git a/drivers/net/ipa/reg/ipa_reg-v3.1.c b/drivers/net/ipa/reg/ipa_reg-v3.1.c index 63a44dce88353..a891037015836 100644 --- a/drivers/net/ipa/reg/ipa_reg-v3.1.c +++ b/drivers/net/ipa/reg/ipa_reg-v3.1.c @@ -78,19 +78,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x000008c); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -405,7 +392,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [IPA_BCR] = ®_ipa_bcr, diff --git a/drivers/net/ipa/reg/ipa_reg-v3.5.1.c b/drivers/net/ipa/reg/ipa_reg-v3.5.1.c index 4a7b6d92207de..c81c48ec51f90 100644 --- a/drivers/net/ipa/reg/ipa_reg-v3.5.1.c +++ b/drivers/net/ipa/reg/ipa_reg-v3.5.1.c @@ -83,19 +83,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x000008c); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -416,7 +403,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [IPA_BCR] = ®_ipa_bcr, diff --git a/drivers/net/ipa/reg/ipa_reg-v4.11.c b/drivers/net/ipa/reg/ipa_reg-v4.11.c index 257eaff9436e5..18bddc32c9318 100644 --- a/drivers/net/ipa/reg/ipa_reg-v4.11.c +++ b/drivers/net/ipa/reg/ipa_reg-v4.11.c @@ -115,19 +115,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x0000148); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -472,7 +459,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [LOCAL_PKT_PROC_CNTXT] = ®_local_pkt_proc_cntxt, diff --git a/drivers/net/ipa/reg/ipa_reg-v4.5.c b/drivers/net/ipa/reg/ipa_reg-v4.5.c index dc396344d868a..8494731efdd3b 100644 --- a/drivers/net/ipa/reg/ipa_reg-v4.5.c +++ b/drivers/net/ipa/reg/ipa_reg-v4.5.c @@ -109,19 +109,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x0000148); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -491,7 +478,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [LOCAL_PKT_PROC_CNTXT] = ®_local_pkt_proc_cntxt, diff --git a/drivers/net/ipa/reg/ipa_reg-v4.7.c b/drivers/net/ipa/reg/ipa_reg-v4.7.c index 37a2e466e4755..2c161cf691935 100644 --- a/drivers/net/ipa/reg/ipa_reg-v4.7.c +++ b/drivers/net/ipa/reg/ipa_reg-v4.7.c @@ -109,19 +109,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x0000148); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -464,7 +451,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [LOCAL_PKT_PROC_CNTXT] = ®_local_pkt_proc_cntxt, diff --git a/drivers/net/ipa/reg/ipa_reg-v4.9.c b/drivers/net/ipa/reg/ipa_reg-v4.9.c index 09755d700784e..fa6fd312e4867 100644 --- a/drivers/net/ipa/reg/ipa_reg-v4.9.c +++ b/drivers/net/ipa/reg/ipa_reg-v4.9.c @@ -114,19 +114,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x0000148); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -469,7 +456,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [LOCAL_PKT_PROC_CNTXT] = ®_local_pkt_proc_cntxt,