drivers/mmc/host/sdhci-pci.h

   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
  15 #define PCI_DEVICE_ID_INTEL_PCH_SDIO0   0x8809
  16 #define PCI_DEVICE_ID_INTEL_PCH_SDIO1   0x880a
  17 #define PCI_DEVICE_ID_INTEL_BYT_EMMC    0x0f14
  18 #define PCI_DEVICE_ID_INTEL_BYT_SDIO    0x0f15
  19 #define PCI_DEVICE_ID_INTEL_BYT_SD      0x0f16
  20 #define PCI_DEVICE_ID_INTEL_BYT_EMMC2   0x0f50
  21 #define PCI_DEVICE_ID_INTEL_BSW_EMMC    0x2294
  22 #define PCI_DEVICE_ID_INTEL_BSW_SDIO    0x2295
  23 #define PCI_DEVICE_ID_INTEL_BSW_SD      0x2296
  24 #define PCI_DEVICE_ID_INTEL_MRFLD_MMC   0x1190
  25 #define PCI_DEVICE_ID_INTEL_CLV_SDIO0   0x08f9
  26 #define PCI_DEVICE_ID_INTEL_CLV_SDIO1   0x08fa
  27 #define PCI_DEVICE_ID_INTEL_CLV_SDIO2   0x08fb
  28 #define PCI_DEVICE_ID_INTEL_CLV_EMMC0   0x08e5
  29 #define PCI_DEVICE_ID_INTEL_CLV_EMMC1   0x08e6
  30 #define PCI_DEVICE_ID_INTEL_QRK_SD      0x08A7
  31 #define PCI_DEVICE_ID_INTEL_SPT_EMMC    0x9d2b
  32 #define PCI_DEVICE_ID_INTEL_SPT_SDIO    0x9d2c
  33 #define PCI_DEVICE_ID_INTEL_SPT_SD      0x9d2d
  34 #define PCI_DEVICE_ID_INTEL_DNV_EMMC    0x19db
  35 #define PCI_DEVICE_ID_INTEL_CDF_EMMC    0x18db
  36 #define PCI_DEVICE_ID_INTEL_BXT_SD      0x0aca
  37 #define PCI_DEVICE_ID_INTEL_BXT_EMMC    0x0acc
  38 #define PCI_DEVICE_ID_INTEL_BXT_SDIO    0x0ad0
  39 #define PCI_DEVICE_ID_INTEL_BXTM_SD     0x1aca
  40 #define PCI_DEVICE_ID_INTEL_BXTM_EMMC   0x1acc
  41 #define PCI_DEVICE_ID_INTEL_BXTM_SDIO   0x1ad0
  42 #define PCI_DEVICE_ID_INTEL_APL_SD      0x5aca
  43 #define PCI_DEVICE_ID_INTEL_APL_EMMC    0x5acc
  44 #define PCI_DEVICE_ID_INTEL_APL_SDIO    0x5ad0
  45 #define PCI_DEVICE_ID_INTEL_GLK_SD      0x31ca
  46 #define PCI_DEVICE_ID_INTEL_GLK_EMMC    0x31cc
  47 #define PCI_DEVICE_ID_INTEL_GLK_SDIO    0x31d0
  48 #define PCI_DEVICE_ID_INTEL_CNP_EMMC    0x9dc4
  49 #define PCI_DEVICE_ID_INTEL_CNP_SD      0x9df5
  50 #define PCI_DEVICE_ID_INTEL_CNPH_SD     0xa375
  51
  52 #define PCI_DEVICE_ID_SYSKONNECT_8000   0x8000
  53 #define PCI_DEVICE_ID_VIA_95D0          0x95d0
  54 #define PCI_DEVICE_ID_REALTEK_5250      0x5250
  55
  56 #define PCI_SUBDEVICE_ID_NI_7884        0x7884
  57
  58 #define PCI_VENDOR_ID_ARASAN            0x16e6
  59 #define PCI_DEVICE_ID_ARASAN_PHY_EMMC   0x0670
  60
  61 /*
  62  * PCI device class and mask
  63  */
  64
  65 #define SYSTEM_SDHCI                    (PCI_CLASS_SYSTEM_SDHCI << 8)
  66 #define PCI_CLASS_MASK                  0xFFFF00
  67
  68 /*
  69  * Macros for PCI device-description
  70  */
  71
  72 #define _PCI_VEND(vend) PCI_VENDOR_ID_##vend
  73 #define _PCI_DEV(vend, dev) PCI_DEVICE_ID_##vend##_##dev
  74 #define _PCI_SUBDEV(subvend, subdev) PCI_SUBDEVICE_ID_##subvend##_##subdev
  75
  76 #define SDHCI_PCI_DEVICE(vend, dev, cfg) { \
  77         .vendor = _PCI_VEND(vend), .device = _PCI_DEV(vend, dev), \
  78         .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
  79         .driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
  80 }
  81
  82 #define SDHCI_PCI_SUBDEVICE(vend, dev, subvend, subdev, cfg) { \
  83         .vendor = _PCI_VEND(vend), .device = _PCI_DEV(vend, dev), \
  84         .subvendor = _PCI_VEND(subvend), \
  85         .subdevice = _PCI_SUBDEV(subvend, subdev), \
  86         .driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
  87 }
  88
  89 #define SDHCI_PCI_DEVICE_CLASS(vend, cl, cl_msk, cfg) { \
  90         .vendor = _PCI_VEND(vend), .device = PCI_ANY_ID, \
  91         .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
  92         .class = (cl), .class_mask = (cl_msk), \
  93         .driver_data = (kernel_ulong_t)&(sdhci_##cfg) \
  94 }
  95
  96 /*
  97  * PCI registers
  98  */
  99
 100 #define PCI_SDHCI_IFPIO                 0x00
 101 #define PCI_SDHCI_IFDMA                 0x01
 102 #define PCI_SDHCI_IFVENDOR              0x02
 103
 104 #define PCI_SLOT_INFO                   0x40    /* 8 bits */
 105 #define  PCI_SLOT_INFO_SLOTS(x)         ((x >> 4) & 7)
 106 #define  PCI_SLOT_INFO_FIRST_BAR_MASK   0x07
 107
 108 #define MAX_SLOTS                       8
 109
 110 struct sdhci_pci_chip;
 111 struct sdhci_pci_slot;
 112
 113 struct sdhci_pci_fixes {
 114         unsigned int            quirks;
 115         unsigned int            quirks2;
 116         bool                    allow_runtime_pm;
 117         bool                    own_cd_for_runtime_pm;
 118
 119         int                     (*probe) (struct sdhci_pci_chip *);
 120
 121         int                     (*probe_slot) (struct sdhci_pci_slot *);
 122         int                     (*add_host) (struct sdhci_pci_slot *);
 123         void                    (*remove_slot) (struct sdhci_pci_slot *, int);
 124
 125 #ifdef CONFIG_PM_SLEEP
 126         int                     (*suspend) (struct sdhci_pci_chip *);
 127         int                     (*resume) (struct sdhci_pci_chip *);
 128 #endif
 129 #ifdef CONFIG_PM
 130         int                     (*runtime_suspend) (struct sdhci_pci_chip *);
 131         int                     (*runtime_resume) (struct sdhci_pci_chip *);
 132 #endif
 133
 134         const struct sdhci_ops  *ops;
 135         size_t                  priv_size;
 136 };
 137
 138 struct sdhci_pci_slot {
 139         struct sdhci_pci_chip   *chip;
 140         struct sdhci_host       *host;
 141         struct sdhci_pci_data   *data;
 142
 143         int                     rst_n_gpio;
 144         int                     cd_gpio;
 145         int                     cd_irq;
 146
 147         int                     cd_idx;
 148         bool                    cd_override_level;
 149
 150         void (*hw_reset)(struct sdhci_host *host);
 151         unsigned long           private[0] ____cacheline_aligned;
 152 };
 153
 154 struct sdhci_pci_chip {
 155         struct pci_dev          *pdev;
 156
 157         unsigned int            quirks;
 158         unsigned int            quirks2;
 159         bool                    allow_runtime_pm;
 160         bool                    pm_retune;
 161         bool                    rpm_retune;
 162         const struct sdhci_pci_fixes *fixes;
 163
 164         int                     num_slots;      /* Slots on controller */
 165         struct sdhci_pci_slot   *slots[MAX_SLOTS]; /* Pointers to host slots */
 166 };
 167
 168 static inline void *sdhci_pci_priv(struct sdhci_pci_slot *slot)
 169 {
 170         return (void *)slot->private;
 171 }
 172
 173 #ifdef CONFIG_PM_SLEEP
 174 int sdhci_pci_resume_host(struct sdhci_pci_chip *chip);
 175 #endif
 176 int sdhci_pci_enable_dma(struct sdhci_host *host);
 177 int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot);
 178 int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip);
 179 #ifdef CONFIG_PM_SLEEP
 180 int sdhci_pci_o2_resume(struct sdhci_pci_chip *chip);
 181 #endif
 182
 183 extern const struct sdhci_pci_fixes sdhci_arasan;
 184
 185 #endif /* __SDHCI_PCI_H */