xref: /linux/drivers/mmc/host/sdhci-pci.h (revision 561add0da6d3d07c9bccb0832fb6ed5619167d26)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __SDHCI_PCI_H
3 #define __SDHCI_PCI_H
4 
5 /*
6  * PCI device IDs, sub IDs
7  */
8 
9 #define PCI_DEVICE_ID_O2_SDS0		0x8420
10 #define PCI_DEVICE_ID_O2_SDS1		0x8421
11 #define PCI_DEVICE_ID_O2_FUJIN2		0x8520
12 #define PCI_DEVICE_ID_O2_SEABIRD0	0x8620
13 #define PCI_DEVICE_ID_O2_SEABIRD1	0x8621
14 #define PCI_DEVICE_ID_O2_GG8_9860	0x9860
15 #define PCI_DEVICE_ID_O2_GG8_9861	0x9861
16 #define PCI_DEVICE_ID_O2_GG8_9862	0x9862
17 #define PCI_DEVICE_ID_O2_GG8_9863	0x9863
18 
19 #define PCI_DEVICE_ID_INTEL_PCH_SDIO0	0x8809
20 #define PCI_DEVICE_ID_INTEL_PCH_SDIO1	0x880a
21 #define PCI_DEVICE_ID_INTEL_BYT_EMMC	0x0f14
22 #define PCI_DEVICE_ID_INTEL_BYT_SDIO	0x0f15
23 #define PCI_DEVICE_ID_INTEL_BYT_SD	0x0f16
24 #define PCI_DEVICE_ID_INTEL_BYT_EMMC2	0x0f50
25 #define PCI_DEVICE_ID_INTEL_BSW_EMMC	0x2294
26 #define PCI_DEVICE_ID_INTEL_BSW_SDIO	0x2295
27 #define PCI_DEVICE_ID_INTEL_BSW_SD	0x2296
28 #define PCI_DEVICE_ID_INTEL_MRFLD_MMC	0x1190
29 #define PCI_DEVICE_ID_INTEL_CLV_SDIO0	0x08f9
30 #define PCI_DEVICE_ID_INTEL_CLV_SDIO1	0x08fa
31 #define PCI_DEVICE_ID_INTEL_CLV_SDIO2	0x08fb
32 #define PCI_DEVICE_ID_INTEL_CLV_EMMC0	0x08e5
33 #define PCI_DEVICE_ID_INTEL_CLV_EMMC1	0x08e6
34 #define PCI_DEVICE_ID_INTEL_QRK_SD	0x08A7
35 #define PCI_DEVICE_ID_INTEL_SPT_EMMC	0x9d2b
36 #define PCI_DEVICE_ID_INTEL_SPT_SDIO	0x9d2c
37 #define PCI_DEVICE_ID_INTEL_SPT_SD	0x9d2d
38 #define PCI_DEVICE_ID_INTEL_DNV_EMMC	0x19db
39 #define PCI_DEVICE_ID_INTEL_CDF_EMMC	0x18db
40 #define PCI_DEVICE_ID_INTEL_BXT_SD	0x0aca
41 #define PCI_DEVICE_ID_INTEL_BXT_EMMC	0x0acc
42 #define PCI_DEVICE_ID_INTEL_BXT_SDIO	0x0ad0
43 #define PCI_DEVICE_ID_INTEL_BXTM_SD	0x1aca
44 #define PCI_DEVICE_ID_INTEL_BXTM_EMMC	0x1acc
45 #define PCI_DEVICE_ID_INTEL_BXTM_SDIO	0x1ad0
46 #define PCI_DEVICE_ID_INTEL_APL_SD	0x5aca
47 #define PCI_DEVICE_ID_INTEL_APL_EMMC	0x5acc
48 #define PCI_DEVICE_ID_INTEL_APL_SDIO	0x5ad0
49 #define PCI_DEVICE_ID_INTEL_GLK_SD	0x31ca
50 #define PCI_DEVICE_ID_INTEL_GLK_EMMC	0x31cc
51 #define PCI_DEVICE_ID_INTEL_GLK_SDIO	0x31d0
52 #define PCI_DEVICE_ID_INTEL_CNP_EMMC	0x9dc4
53 #define PCI_DEVICE_ID_INTEL_CNP_SD	0x9df5
54 #define PCI_DEVICE_ID_INTEL_CNPH_SD	0xa375
55 #define PCI_DEVICE_ID_INTEL_ICP_EMMC	0x34c4
56 #define PCI_DEVICE_ID_INTEL_ICP_SD	0x34f8
57 #define PCI_DEVICE_ID_INTEL_EHL_EMMC	0x4b47
58 #define PCI_DEVICE_ID_INTEL_EHL_SD	0x4b48
59 #define PCI_DEVICE_ID_INTEL_CML_EMMC	0x02c4
60 #define PCI_DEVICE_ID_INTEL_CML_SD	0x02f5
61 #define PCI_DEVICE_ID_INTEL_CMLH_SD	0x06f5
62 #define PCI_DEVICE_ID_INTEL_JSL_EMMC	0x4dc4
63 #define PCI_DEVICE_ID_INTEL_JSL_SD	0x4df8
64 #define PCI_DEVICE_ID_INTEL_LKF_EMMC	0x98c4
65 #define PCI_DEVICE_ID_INTEL_LKF_SD	0x98f8
66 #define PCI_DEVICE_ID_INTEL_ADL_EMMC	0x54c4
67 
68 #define PCI_DEVICE_ID_SYSKONNECT_8000	0x8000
69 #define PCI_DEVICE_ID_VIA_95D0		0x95d0
70 #define PCI_DEVICE_ID_REALTEK_5250	0x5250
71 
72 #define PCI_SUBDEVICE_ID_NI_7884	0x7884
73 #define PCI_SUBDEVICE_ID_NI_78E3	0x78e3
74 
75 #define PCI_VENDOR_ID_ARASAN		0x16e6
76 #define PCI_DEVICE_ID_ARASAN_PHY_EMMC	0x0670
77 
78 #define PCI_DEVICE_ID_SYNOPSYS_DWC_MSHC 0xc202
79 
80 #define PCI_DEVICE_ID_GLI_9755		0x9755
81 #define PCI_DEVICE_ID_GLI_9750		0x9750
82 #define PCI_DEVICE_ID_GLI_9763E		0xe763
83 #define PCI_DEVICE_ID_GLI_9767		0x9767
84 
85 /*
86  * PCI device class and mask
87  */
88 
89 #define SYSTEM_SDHCI			(PCI_CLASS_SYSTEM_SDHCI << 8)
90 #define PCI_CLASS_MASK			0xFFFF00
91 
92 /*
93  * Macros for PCI device-description
94  */
95 
96 #define _PCI_VEND(vend) PCI_VENDOR_ID_##vend
97 #define _PCI_DEV(vend, dev) PCI_DEVICE_ID_##vend##_##dev
98 #define _PCI_SUBDEV(subvend, subdev) PCI_SUBDEVICE_ID_##subvend##_##subdev
99 
100 #define SDHCI_PCI_DEVICE(vend, dev, cfg) { \
101 	.vendor = _PCI_VEND(vend), .device = _PCI_DEV(vend, dev), \
102 	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
103 	.driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
104 }
105 
106 #define SDHCI_PCI_SUBDEVICE(vend, dev, subvend, subdev, cfg) { \
107 	.vendor = _PCI_VEND(vend), .device = _PCI_DEV(vend, dev), \
108 	.subvendor = _PCI_VEND(subvend), \
109 	.subdevice = _PCI_SUBDEV(subvend, subdev), \
110 	.driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
111 }
112 
113 #define SDHCI_PCI_DEVICE_CLASS(vend, cl, cl_msk, cfg) { \
114 	.vendor = _PCI_VEND(vend), .device = PCI_ANY_ID, \
115 	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
116 	.class = (cl), .class_mask = (cl_msk), \
117 	.driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
118 }
119 
120 /*
121  * PCI registers
122  */
123 
124 #define PCI_SDHCI_IFPIO			0x00
125 #define PCI_SDHCI_IFDMA			0x01
126 #define PCI_SDHCI_IFVENDOR		0x02
127 
128 #define PCI_SLOT_INFO			0x40	/* 8 bits */
129 #define  PCI_SLOT_INFO_SLOTS(x)		((x >> 4) & 7)
130 #define  PCI_SLOT_INFO_FIRST_BAR_MASK	0x07
131 
132 #define MAX_SLOTS			8
133 
134 struct sdhci_pci_chip;
135 struct sdhci_pci_slot;
136 
137 struct sdhci_pci_fixes {
138 	unsigned int		quirks;
139 	unsigned int		quirks2;
140 	bool			allow_runtime_pm;
141 	bool			own_cd_for_runtime_pm;
142 
143 	int			(*probe) (struct sdhci_pci_chip *);
144 
145 	int			(*probe_slot) (struct sdhci_pci_slot *);
146 	int			(*add_host) (struct sdhci_pci_slot *);
147 	void			(*remove_slot) (struct sdhci_pci_slot *, int);
148 
149 #ifdef CONFIG_PM_SLEEP
150 	int			(*suspend) (struct sdhci_pci_chip *);
151 	int			(*resume) (struct sdhci_pci_chip *);
152 #endif
153 #ifdef CONFIG_PM
154 	int			(*runtime_suspend) (struct sdhci_pci_chip *);
155 	int			(*runtime_resume) (struct sdhci_pci_chip *);
156 #endif
157 
158 	const struct sdhci_ops	*ops;
159 	size_t			priv_size;
160 };
161 
162 struct sdhci_pci_slot {
163 	struct sdhci_pci_chip	*chip;
164 	struct sdhci_host	*host;
165 
166 	int			cd_idx;
167 	bool			cd_override_level;
168 
169 	void (*hw_reset)(struct sdhci_host *host);
170 	unsigned long		private[] ____cacheline_aligned;
171 };
172 
173 struct sdhci_pci_chip {
174 	struct pci_dev		*pdev;
175 
176 	unsigned int		quirks;
177 	unsigned int		quirks2;
178 	bool			allow_runtime_pm;
179 	bool			pm_retune;
180 	bool			rpm_retune;
181 	const struct sdhci_pci_fixes *fixes;
182 
183 	int			num_slots;	/* Slots on controller */
184 	struct sdhci_pci_slot	*slots[MAX_SLOTS]; /* Pointers to host slots */
185 };
186 
187 static inline void *sdhci_pci_priv(struct sdhci_pci_slot *slot)
188 {
189 	return (void *)slot->private;
190 }
191 
192 #ifdef CONFIG_PM_SLEEP
193 int sdhci_pci_resume_host(struct sdhci_pci_chip *chip);
194 #endif
195 int sdhci_pci_enable_dma(struct sdhci_host *host);
196 
197 extern const struct sdhci_pci_fixes sdhci_arasan;
198 extern const struct sdhci_pci_fixes sdhci_snps;
199 extern const struct sdhci_pci_fixes sdhci_o2;
200 extern const struct sdhci_pci_fixes sdhci_gl9750;
201 extern const struct sdhci_pci_fixes sdhci_gl9755;
202 extern const struct sdhci_pci_fixes sdhci_gl9763e;
203 extern const struct sdhci_pci_fixes sdhci_gl9767;
204 
205 #endif /* __SDHCI_PCI_H */
206