xref: /linux/drivers/mmc/host/sdhci-pci.h (revision 3932b9ca55b0be314a36d3e84faff3e823c081f5)
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_MRFL_MMC	0x1190
15 #define PCI_DEVICE_ID_INTEL_CLV_SDIO0	0x08f9
16 #define PCI_DEVICE_ID_INTEL_CLV_SDIO1	0x08fa
17 #define PCI_DEVICE_ID_INTEL_CLV_SDIO2	0x08fb
18 #define PCI_DEVICE_ID_INTEL_CLV_EMMC0	0x08e5
19 #define PCI_DEVICE_ID_INTEL_CLV_EMMC1	0x08e6
20 #define PCI_DEVICE_ID_INTEL_QRK_SD	0x08A7
21 
22 /*
23  * PCI registers
24  */
25 
26 #define PCI_SDHCI_IFPIO			0x00
27 #define PCI_SDHCI_IFDMA			0x01
28 #define PCI_SDHCI_IFVENDOR		0x02
29 
30 #define PCI_SLOT_INFO			0x40	/* 8 bits */
31 #define  PCI_SLOT_INFO_SLOTS(x)		((x >> 4) & 7)
32 #define  PCI_SLOT_INFO_FIRST_BAR_MASK	0x07
33 
34 #define MAX_SLOTS			8
35 
36 struct sdhci_pci_chip;
37 struct sdhci_pci_slot;
38 
39 struct sdhci_pci_fixes {
40 	unsigned int		quirks;
41 	unsigned int		quirks2;
42 	bool			allow_runtime_pm;
43 	bool			own_cd_for_runtime_pm;
44 
45 	int			(*probe) (struct sdhci_pci_chip *);
46 
47 	int			(*probe_slot) (struct sdhci_pci_slot *);
48 	void			(*remove_slot) (struct sdhci_pci_slot *, int);
49 
50 	int			(*suspend) (struct sdhci_pci_chip *);
51 	int			(*resume) (struct sdhci_pci_chip *);
52 };
53 
54 struct sdhci_pci_slot {
55 	struct sdhci_pci_chip	*chip;
56 	struct sdhci_host	*host;
57 	struct sdhci_pci_data	*data;
58 
59 	int			pci_bar;
60 	int			rst_n_gpio;
61 	int			cd_gpio;
62 	int			cd_irq;
63 
64 	void (*hw_reset)(struct sdhci_host *host);
65 };
66 
67 struct sdhci_pci_chip {
68 	struct pci_dev		*pdev;
69 
70 	unsigned int		quirks;
71 	unsigned int		quirks2;
72 	bool			allow_runtime_pm;
73 	const struct sdhci_pci_fixes *fixes;
74 
75 	int			num_slots;	/* Slots on controller */
76 	struct sdhci_pci_slot	*slots[MAX_SLOTS]; /* Pointers to host slots */
77 };
78 
79 #endif /* __SDHCI_PCI_H */
80