summaryrefslogtreecommitdiff
path: root/drivers/mmc/host/sdhci-pci.h
blob: cdd15f357d018be6367e240451956318df83f659 (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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SDHCI_PCI_H
#define __SDHCI_PCI_H

/*
 * PCI device IDs, sub IDs
 */

#define PCI_DEVICE_ID_O2_SDS0		0x8420
#define PCI_DEVICE_ID_O2_SDS1		0x8421
#define PCI_DEVICE_ID_O2_FUJIN2		0x8520
#define PCI_DEVICE_ID_O2_SEABIRD0	0x8620
#define PCI_DEVICE_ID_O2_SEABIRD1	0x8621

#define PCI_DEVICE_ID_INTEL_PCH_SDIO0	0x8809
#define PCI_DEVICE_ID_INTEL_PCH_SDIO1	0x880a
#define PCI_DEVICE_ID_INTEL_BYT_EMMC	0x0f14
#define PCI_DEVICE_ID_INTEL_BYT_SDIO	0x0f15
#define PCI_DEVICE_ID_INTEL_BYT_SD	0x0f16
#define PCI_DEVICE_ID_INTEL_BYT_EMMC2	0x0f50
#define PCI_DEVICE_ID_INTEL_BSW_EMMC	0x2294
#define PCI_DEVICE_ID_INTEL_BSW_SDIO	0x2295
#define PCI_DEVICE_ID_INTEL_BSW_SD	0x2296
#define PCI_DEVICE_ID_INTEL_MRFLD_MMC	0x1190
#define PCI_DEVICE_ID_INTEL_CLV_SDIO0	0x08f9
#define PCI_DEVICE_ID_INTEL_CLV_SDIO1	0x08fa
#define PCI_DEVICE_ID_INTEL_CLV_SDIO2	0x08fb
#define PCI_DEVICE_ID_INTEL_CLV_EMMC0	0x08e5
#define PCI_DEVICE_ID_INTEL_CLV_EMMC1	0x08e6
#define PCI_DEVICE_ID_INTEL_QRK_SD	0x08A7
#define PCI_DEVICE_ID_INTEL_SPT_EMMC	0x9d2b
#define PCI_DEVICE_ID_INTEL_SPT_SDIO	0x9d2c
#define PCI_DEVICE_ID_INTEL_SPT_SD	0x9d2d
#define PCI_DEVICE_ID_INTEL_DNV_EMMC	0x19db
#define PCI_DEVICE_ID_INTEL_CDF_EMMC	0x18db
#define PCI_DEVICE_ID_INTEL_BXT_SD	0x0aca
#define PCI_DEVICE_ID_INTEL_BXT_EMMC	0x0acc
#define PCI_DEVICE_ID_INTEL_BXT_SDIO	0x0ad0
#define PCI_DEVICE_ID_INTEL_BXTM_SD	0x1aca
#define PCI_DEVICE_ID_INTEL_BXTM_EMMC	0x1acc
#define PCI_DEVICE_ID_INTEL_BXTM_SDIO	0x1ad0
#define PCI_DEVICE_ID_INTEL_APL_SD	0x5aca
#define PCI_DEVICE_ID_INTEL_APL_EMMC	0x5acc
#define PCI_DEVICE_ID_INTEL_APL_SDIO	0x5ad0
#define PCI_DEVICE_ID_INTEL_GLK_SD	0x31ca
#define PCI_DEVICE_ID_INTEL_GLK_EMMC	0x31cc
#define PCI_DEVICE_ID_INTEL_GLK_SDIO	0x31d0
#define PCI_DEVICE_ID_INTEL_CNP_EMMC	0x9dc4
#define PCI_DEVICE_ID_INTEL_CNP_SD	0x9df5
#define PCI_DEVICE_ID_INTEL_CNPH_SD	0xa375
#define PCI_DEVICE_ID_INTEL_ICP_EMMC	0x34c4
#define PCI_DEVICE_ID_INTEL_ICP_SD	0x34f8
#define PCI_DEVICE_ID_INTEL_EHL_EMMC	0x4b47
#define PCI_DEVICE_ID_INTEL_EHL_SD	0x4b48
#define PCI_DEVICE_ID_INTEL_CML_EMMC	0x02c4
#define PCI_DEVICE_ID_INTEL_CML_SD	0x02f5

#define PCI_DEVICE_ID_SYSKONNECT_8000	0x8000
#define PCI_DEVICE_ID_VIA_95D0		0x95d0
#define PCI_DEVICE_ID_REALTEK_5250	0x5250

#define PCI_SUBDEVICE_ID_NI_7884	0x7884
#define PCI_SUBDEVICE_ID_NI_78E3	0x78e3

#define PCI_VENDOR_ID_ARASAN		0x16e6
#define PCI_DEVICE_ID_ARASAN_PHY_EMMC	0x0670

#define PCI_DEVICE_ID_SYNOPSYS_DWC_MSHC 0xc202

/*
 * PCI device class and mask
 */

#define SYSTEM_SDHCI			(PCI_CLASS_SYSTEM_SDHCI << 8)
#define PCI_CLASS_MASK			0xFFFF00

/*
 * Macros for PCI device-description
 */

#define _PCI_VEND(vend) PCI_VENDOR_ID_##vend
#define _PCI_DEV(vend, dev) PCI_DEVICE_ID_##vend##_##dev
#define _PCI_SUBDEV(subvend, subdev) PCI_SUBDEVICE_ID_##subvend##_##subdev

#define SDHCI_PCI_DEVICE(vend, dev, cfg) { \
	.vendor = _PCI_VEND(vend), .device = _PCI_DEV(vend, dev), \
	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
	.driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
}

#define SDHCI_PCI_SUBDEVICE(vend, dev, subvend, subdev, cfg) { \
	.vendor = _PCI_VEND(vend), .device = _PCI_DEV(vend, dev), \
	.subvendor = _PCI_VEND(subvend), \
	.subdevice = _PCI_SUBDEV(subvend, subdev), \
	.driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
}

#define SDHCI_PCI_DEVICE_CLASS(vend, cl, cl_msk, cfg) { \
	.vendor = _PCI_VEND(vend), .device = PCI_ANY_ID, \
	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
	.class = (cl), .class_mask = (cl_msk), \
	.driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
}

/*
 * PCI registers
 */

#define PCI_SDHCI_IFPIO			0x00
#define PCI_SDHCI_IFDMA			0x01
#define PCI_SDHCI_IFVENDOR		0x02

#define PCI_SLOT_INFO			0x40	/* 8 bits */
#define  PCI_SLOT_INFO_SLOTS(x)		((x >> 4) & 7)
#define  PCI_SLOT_INFO_FIRST_BAR_MASK	0x07

#define MAX_SLOTS			8

struct sdhci_pci_chip;
struct sdhci_pci_slot;

struct sdhci_pci_fixes {
	unsigned int		quirks;
	unsigned int		quirks2;
	bool			allow_runtime_pm;
	bool			own_cd_for_runtime_pm;

	int			(*probe) (struct sdhci_pci_chip *);

	int			(*probe_slot) (struct sdhci_pci_slot *);
	int			(*add_host) (struct sdhci_pci_slot *);
	void			(*remove_slot) (struct sdhci_pci_slot *, int);

#ifdef CONFIG_PM_SLEEP
	int			(*suspend) (struct sdhci_pci_chip *);
	int			(*resume) (struct sdhci_pci_chip *);
#endif
#ifdef CONFIG_PM
	int			(*runtime_suspend) (struct sdhci_pci_chip *);
	int			(*runtime_resume) (struct sdhci_pci_chip *);
#endif

	const struct sdhci_ops	*ops;
	size_t			priv_size;
};

struct sdhci_pci_slot {
	struct sdhci_pci_chip	*chip;
	struct sdhci_host	*host;
	struct sdhci_pci_data	*data;

	int			rst_n_gpio;
	int			cd_gpio;
	int			cd_irq;

	int			cd_idx;
	bool			cd_override_level;

	void (*hw_reset)(struct sdhci_host *host);
	unsigned long		private[0] ____cacheline_aligned;
};

struct sdhci_pci_chip {
	struct pci_dev		*pdev;

	unsigned int		quirks;
	unsigned int		quirks2;
	bool			allow_runtime_pm;
	bool			pm_retune;
	bool			rpm_retune;
	const struct sdhci_pci_fixes *fixes;

	int			num_slots;	/* Slots on controller */
	struct sdhci_pci_slot	*slots[MAX_SLOTS]; /* Pointers to host slots */
};

static inline void *sdhci_pci_priv(struct sdhci_pci_slot *slot)
{
	return (void *)slot->private;
}

#ifdef CONFIG_PM_SLEEP
int sdhci_pci_resume_host(struct sdhci_pci_chip *chip);
#endif
int sdhci_pci_enable_dma(struct sdhci_host *host);

extern const struct sdhci_pci_fixes sdhci_arasan;
extern const struct sdhci_pci_fixes sdhci_snps;
extern const struct sdhci_pci_fixes sdhci_o2;

#endif /* __SDHCI_PCI_H */