xref: /openbmc/linux/drivers/mmc/host/sdhci-pci.h (revision 9cfc5c90)
1 #ifndef __SDHCI_PCI_H
2 #define __SDHCI_PCI_H
3 
4 /*
5  * PCI device IDs
6  */
7 
8 #define PCI_DEVICE_ID_INTEL_PCH_SDIO0	0x8809
9 #define PCI_DEVICE_ID_INTEL_PCH_SDIO1	0x880a
10 #define PCI_DEVICE_ID_INTEL_BYT_EMMC	0x0f14
11 #define PCI_DEVICE_ID_INTEL_BYT_SDIO	0x0f15
12 #define PCI_DEVICE_ID_INTEL_BYT_SD	0x0f16
13 #define PCI_DEVICE_ID_INTEL_BYT_EMMC2	0x0f50
14 #define PCI_DEVICE_ID_INTEL_BSW_EMMC	0x2294
15 #define PCI_DEVICE_ID_INTEL_BSW_SDIO	0x2295
16 #define PCI_DEVICE_ID_INTEL_BSW_SD	0x2296
17 #define PCI_DEVICE_ID_INTEL_MRFL_MMC	0x1190
18 #define PCI_DEVICE_ID_INTEL_CLV_SDIO0	0x08f9
19 #define PCI_DEVICE_ID_INTEL_CLV_SDIO1	0x08fa
20 #define PCI_DEVICE_ID_INTEL_CLV_SDIO2	0x08fb
21 #define PCI_DEVICE_ID_INTEL_CLV_EMMC0	0x08e5
22 #define PCI_DEVICE_ID_INTEL_CLV_EMMC1	0x08e6
23 #define PCI_DEVICE_ID_INTEL_QRK_SD	0x08A7
24 #define PCI_DEVICE_ID_INTEL_SPT_EMMC	0x9d2b
25 #define PCI_DEVICE_ID_INTEL_SPT_SDIO	0x9d2c
26 #define PCI_DEVICE_ID_INTEL_SPT_SD	0x9d2d
27 #define PCI_DEVICE_ID_INTEL_DNV_EMMC	0x19db
28 #define PCI_DEVICE_ID_INTEL_BXT_SD	0x0aca
29 #define PCI_DEVICE_ID_INTEL_BXT_EMMC	0x0acc
30 #define PCI_DEVICE_ID_INTEL_BXT_SDIO	0x0ad0
31 #define PCI_DEVICE_ID_INTEL_APL_SD	0x5aca
32 #define PCI_DEVICE_ID_INTEL_APL_EMMC	0x5acc
33 #define PCI_DEVICE_ID_INTEL_APL_SDIO	0x5ad0
34 
35 /*
36  * PCI registers
37  */
38 
39 #define PCI_SDHCI_IFPIO			0x00
40 #define PCI_SDHCI_IFDMA			0x01
41 #define PCI_SDHCI_IFVENDOR		0x02
42 
43 #define PCI_SLOT_INFO			0x40	/* 8 bits */
44 #define  PCI_SLOT_INFO_SLOTS(x)		((x >> 4) & 7)
45 #define  PCI_SLOT_INFO_FIRST_BAR_MASK	0x07
46 
47 #define MAX_SLOTS			8
48 
49 struct sdhci_pci_chip;
50 struct sdhci_pci_slot;
51 
52 struct sdhci_pci_fixes {
53 	unsigned int		quirks;
54 	unsigned int		quirks2;
55 	bool			allow_runtime_pm;
56 	bool			own_cd_for_runtime_pm;
57 
58 	int			(*probe) (struct sdhci_pci_chip *);
59 
60 	int			(*probe_slot) (struct sdhci_pci_slot *);
61 	void			(*remove_slot) (struct sdhci_pci_slot *, int);
62 
63 	int			(*suspend) (struct sdhci_pci_chip *);
64 	int			(*resume) (struct sdhci_pci_chip *);
65 };
66 
67 struct sdhci_pci_slot {
68 	struct sdhci_pci_chip	*chip;
69 	struct sdhci_host	*host;
70 	struct sdhci_pci_data	*data;
71 
72 	int			pci_bar;
73 	int			rst_n_gpio;
74 	int			cd_gpio;
75 	int			cd_irq;
76 
77 	char			*cd_con_id;
78 	int			cd_idx;
79 	bool			cd_override_level;
80 
81 	void (*hw_reset)(struct sdhci_host *host);
82 	int (*select_drive_strength)(struct sdhci_host *host,
83 				     struct mmc_card *card,
84 				     unsigned int max_dtr, int host_drv,
85 				     int card_drv, int *drv_type);
86 };
87 
88 struct sdhci_pci_chip {
89 	struct pci_dev		*pdev;
90 
91 	unsigned int		quirks;
92 	unsigned int		quirks2;
93 	bool			allow_runtime_pm;
94 	const struct sdhci_pci_fixes *fixes;
95 
96 	int			num_slots;	/* Slots on controller */
97 	struct sdhci_pci_slot	*slots[MAX_SLOTS]; /* Pointers to host slots */
98 };
99 
100 #endif /* __SDHCI_PCI_H */
101