summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath/ath12k/pci.h
blob: ca93693ba4e948ebbc153955d24115855307a2bb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/*
 * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
 * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
 */
#ifndef ATH12K_PCI_H
#define ATH12K_PCI_H

#include <linux/mhi.h>

#include "core.h"

#define PCIE_SOC_GLOBAL_RESET			0x3008
#define PCIE_SOC_GLOBAL_RESET_V			1

#define WLAON_WARM_SW_ENTRY			0x1f80504
#define WLAON_SOC_RESET_CAUSE_REG		0x01f8060c

#define PCIE_Q6_COOKIE_ADDR			0x01f80500
#define PCIE_Q6_COOKIE_DATA			0xc0000000

/* register to wake the UMAC from power collapse */
#define PCIE_SCRATCH_0_SOC_PCIE_REG		0x4040

/* register used for handshake mechanism to validate UMAC is awake */
#define PCIE_SOC_WAKE_PCIE_LOCAL_REG		0x3004

#define PCIE_PCIE_PARF_LTSSM			0x1e081b0
#define PARM_LTSSM_VALUE			0x111

#define GCC_GCC_PCIE_HOT_RST			0x1e38338
#define GCC_GCC_PCIE_HOT_RST_VAL		0x10

#define PCIE_PCIE_INT_ALL_CLEAR			0x1e08228
#define PCIE_SMLH_REQ_RST_LINK_DOWN		0x2
#define PCIE_INT_CLEAR_ALL			0xffffffff

#define PCIE_QSERDES_COM_SYSCLK_EN_SEL_REG(ab) \
	((ab)->hw_params->regs->pcie_qserdes_sysclk_en_sel)
#define PCIE_QSERDES_COM_SYSCLK_EN_SEL_VAL	0x10
#define PCIE_QSERDES_COM_SYSCLK_EN_SEL_MSK	0xffffffff
#define PCIE_PCS_OSC_DTCT_CONFIG1_REG(ab) \
	((ab)->hw_params->regs->pcie_pcs_osc_dtct_config_base)
#define PCIE_PCS_OSC_DTCT_CONFIG1_VAL		0x02
#define PCIE_PCS_OSC_DTCT_CONFIG2_REG(ab) \
	((ab)->hw_params->regs->pcie_pcs_osc_dtct_config_base + 0x4)
#define PCIE_PCS_OSC_DTCT_CONFIG2_VAL		0x52
#define PCIE_PCS_OSC_DTCT_CONFIG4_REG(ab) \
	((ab)->hw_params->regs->pcie_pcs_osc_dtct_config_base + 0xc)
#define PCIE_PCS_OSC_DTCT_CONFIG4_VAL		0xff
#define PCIE_PCS_OSC_DTCT_CONFIG_MSK		0x000000ff

#define WLAON_QFPROM_PWR_CTRL_REG		0x01f8031c
#define QFPROM_PWR_CTRL_VDD4BLOW_MASK		0x4

#define QCN9274_QFPROM_RAW_RFA_PDET_ROW13_LSB	0x1E20338
#define OTP_BOARD_ID_MASK			GENMASK(15, 0)

#define PCI_BAR_WINDOW0_BASE	0x1E00000
#define PCI_BAR_WINDOW0_END	0x1E7FFFC
#define PCI_SOC_RANGE_MASK	0x3FFF
#define PCI_SOC_PCI_REG_BASE	0x1E04000
#define PCI_SOC_PCI_REG_END	0x1E07FFC
#define PCI_PARF_BASE		0x1E08000
#define PCI_PARF_END		0x1E0BFFC
#define PCI_MHIREGLEN_REG	0x1E0E100
#define PCI_MHI_REGION_END	0x1E0EFFC
#define QRTR_PCI_DOMAIN_NR_MASK		GENMASK(7, 4)
#define QRTR_PCI_BUS_NUMBER_MASK	GENMASK(3, 0)

#define ATH12K_PCI_SOC_HW_VERSION_1	1
#define ATH12K_PCI_SOC_HW_VERSION_2	2

struct ath12k_msi_user {
	const char *name;
	int num_vectors;
	u32 base_vector;
};

struct ath12k_msi_config {
	int total_vectors;
	int total_users;
	const struct ath12k_msi_user *users;
};

enum ath12k_pci_flags {
	ATH12K_PCI_FLAG_INIT_DONE,
	ATH12K_PCI_FLAG_IS_MSI_64,
	ATH12K_PCI_ASPM_RESTORE,
	ATH12K_PCI_FLAG_MULTI_MSI_VECTORS,
};

struct ath12k_pci_ops {
	int (*wakeup)(struct ath12k_base *ab);
	void (*release)(struct ath12k_base *ab);
};

struct ath12k_pci {
	struct pci_dev *pdev;
	struct ath12k_base *ab;
	u16 dev_id;
	char amss_path[100];
	u32 msi_ep_base_data;
	struct mhi_controller *mhi_ctrl;
	const struct ath12k_msi_config *msi_config;
	unsigned long mhi_state;
	u32 register_window;

	/* protects register_window above */
	spinlock_t window_lock;

	/* enum ath12k_pci_flags */
	unsigned long flags;
	u16 link_ctl;
	unsigned long irq_flags;
	const struct ath12k_pci_ops *pci_ops;
	u32 qmi_instance;
};

static inline struct ath12k_pci *ath12k_pci_priv(struct ath12k_base *ab)
{
	return (struct ath12k_pci *)ab->drv_priv;
}

int ath12k_pci_get_user_msi_assignment(struct ath12k_base *ab, char *user_name,
				       int *num_vectors, u32 *user_base_data,
				       u32 *base_vector);
int ath12k_pci_get_msi_irq(struct device *dev, unsigned int vector);
void ath12k_pci_write32(struct ath12k_base *ab, u32 offset, u32 value);
u32 ath12k_pci_read32(struct ath12k_base *ab, u32 offset);
int ath12k_pci_map_service_to_pipe(struct ath12k_base *ab, u16 service_id,
				   u8 *ul_pipe, u8 *dl_pipe);
void ath12k_pci_get_msi_address(struct ath12k_base *ab, u32 *msi_addr_lo,
				u32 *msi_addr_hi);
void ath12k_pci_get_ce_msi_idx(struct ath12k_base *ab, u32 ce_id,
			       u32 *msi_idx);
void ath12k_pci_hif_ce_irq_enable(struct ath12k_base *ab);
void ath12k_pci_hif_ce_irq_disable(struct ath12k_base *ab);
void ath12k_pci_ext_irq_enable(struct ath12k_base *ab);
void ath12k_pci_ext_irq_disable(struct ath12k_base *ab);
int ath12k_pci_hif_suspend(struct ath12k_base *ab);
int ath12k_pci_hif_resume(struct ath12k_base *ab);
void ath12k_pci_stop(struct ath12k_base *ab);
int ath12k_pci_start(struct ath12k_base *ab);
int ath12k_pci_power_up(struct ath12k_base *ab);
void ath12k_pci_power_down(struct ath12k_base *ab);
#endif /* ATH12K_PCI_H */