xref: /openbmc/linux/drivers/mmc/host/sdhci-pci.h (revision bc55dcd8)
1 #ifndef __SDHCI_PCI_H
2 #define __SDHCI_PCI_H
3 
4 /*
5  * PCI device IDs, sub 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_MRFLD_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_BXTM_SD	0x1aca
32 #define PCI_DEVICE_ID_INTEL_BXTM_EMMC	0x1acc
33 #define PCI_DEVICE_ID_INTEL_BXTM_SDIO	0x1ad0
34 #define PCI_DEVICE_ID_INTEL_APL_SD	0x5aca
35 #define PCI_DEVICE_ID_INTEL_APL_EMMC	0x5acc
36 #define PCI_DEVICE_ID_INTEL_APL_SDIO	0x5ad0
37 #define PCI_DEVICE_ID_INTEL_GLK_SD	0x31ca
38 #define PCI_DEVICE_ID_INTEL_GLK_EMMC	0x31cc
39 #define PCI_DEVICE_ID_INTEL_GLK_SDIO	0x31d0
40 #define PCI_DEVICE_ID_INTEL_CNP_EMMC	0x9dc4
41 #define PCI_DEVICE_ID_INTEL_CNP_SD	0x9df5
42 #define PCI_DEVICE_ID_INTEL_CNPH_SD	0xa375
43 
44 #define PCI_DEVICE_ID_SYSKONNECT_8000	0x8000
45 #define PCI_DEVICE_ID_VIA_95D0		0x95d0
46 #define PCI_DEVICE_ID_REALTEK_5250	0x5250
47 
48 #define PCI_SUBDEVICE_ID_NI_7884	0x7884
49 
50 /*
51  * PCI device class and mask
52  */
53 
54 #define SYSTEM_SDHCI			(PCI_CLASS_SYSTEM_SDHCI << 8)
55 #define PCI_CLASS_MASK			0xFFFF00
56 
57 /*
58  * Macros for PCI device-description
59  */
60 
61 #define _PCI_VEND(vend) PCI_VENDOR_ID_##vend
62 #define _PCI_DEV(vend, dev) PCI_DEVICE_ID_##vend##_##dev
63 #define _PCI_SUBDEV(subvend, subdev) PCI_SUBDEVICE_ID_##subvend##_##subdev
64 
65 #define SDHCI_PCI_DEVICE(vend, dev, cfg) { \
66 	.vendor = _PCI_VEND(vend), .device = _PCI_DEV(vend, dev), \
67 	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
68 	.driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
69 }
70 
71 #define SDHCI_PCI_SUBDEVICE(vend, dev, subvend, subdev, cfg) { \
72 	.vendor = _PCI_VEND(vend), .device = _PCI_DEV(vend, dev), \
73 	.subvendor = _PCI_VEND(subvend), \
74 	.subdevice = _PCI_SUBDEV(subvend, subdev), \
75 	.driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
76 }
77 
78 #define SDHCI_PCI_DEVICE_CLASS(vend, cl, cl_msk, cfg) { \
79 	.vendor = _PCI_VEND(vend), .device = PCI_ANY_ID, \
80 	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
81 	.class = (cl), .class_mask = (cl_msk), \
82 	.driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
83 }
84 
85 /*
86  * PCI registers
87  */
88 
89 #define PCI_SDHCI_IFPIO			0x00
90 #define PCI_SDHCI_IFDMA			0x01
91 #define PCI_SDHCI_IFVENDOR		0x02
92 
93 #define PCI_SLOT_INFO			0x40	/* 8 bits */
94 #define  PCI_SLOT_INFO_SLOTS(x)		((x >> 4) & 7)
95 #define  PCI_SLOT_INFO_FIRST_BAR_MASK	0x07
96 
97 #define MAX_SLOTS			8
98 
99 struct sdhci_pci_chip;
100 struct sdhci_pci_slot;
101 
102 struct sdhci_pci_fixes {
103 	unsigned int		quirks;
104 	unsigned int		quirks2;
105 	bool			allow_runtime_pm;
106 	bool			own_cd_for_runtime_pm;
107 
108 	int			(*probe) (struct sdhci_pci_chip *);
109 
110 	int			(*probe_slot) (struct sdhci_pci_slot *);
111 	int			(*add_host) (struct sdhci_pci_slot *);
112 	void			(*remove_slot) (struct sdhci_pci_slot *, int);
113 
114 #ifdef CONFIG_PM_SLEEP
115 	int			(*suspend) (struct sdhci_pci_chip *);
116 	int			(*resume) (struct sdhci_pci_chip *);
117 #endif
118 #ifdef CONFIG_PM
119 	int			(*runtime_suspend) (struct sdhci_pci_chip *);
120 	int			(*runtime_resume) (struct sdhci_pci_chip *);
121 #endif
122 
123 	const struct sdhci_ops	*ops;
124 	size_t			priv_size;
125 };
126 
127 struct sdhci_pci_slot {
128 	struct sdhci_pci_chip	*chip;
129 	struct sdhci_host	*host;
130 	struct sdhci_pci_data	*data;
131 
132 	int			rst_n_gpio;
133 	int			cd_gpio;
134 	int			cd_irq;
135 
136 	int			cd_idx;
137 	bool			cd_override_level;
138 
139 	void (*hw_reset)(struct sdhci_host *host);
140 	unsigned long		private[0] ____cacheline_aligned;
141 };
142 
143 struct sdhci_pci_chip {
144 	struct pci_dev		*pdev;
145 
146 	unsigned int		quirks;
147 	unsigned int		quirks2;
148 	bool			allow_runtime_pm;
149 	bool			pm_retune;
150 	bool			rpm_retune;
151 	const struct sdhci_pci_fixes *fixes;
152 
153 	int			num_slots;	/* Slots on controller */
154 	struct sdhci_pci_slot	*slots[MAX_SLOTS]; /* Pointers to host slots */
155 };
156 
157 static inline void *sdhci_pci_priv(struct sdhci_pci_slot *slot)
158 {
159 	return (void *)slot->private;
160 }
161 
162 #ifdef CONFIG_PM_SLEEP
163 int sdhci_pci_resume_host(struct sdhci_pci_chip *chip);
164 #endif
165 
166 #endif /* __SDHCI_PCI_H */
167