root/drivers/mmc/host/sdhci-pci.h
/* 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_O2_GG8_9860       0x9860
#define PCI_DEVICE_ID_O2_GG8_9861       0x9861
#define PCI_DEVICE_ID_O2_GG8_9862       0x9862
#define PCI_DEVICE_ID_O2_GG8_9863       0x9863

#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_INTEL_CMLH_SD     0x06f5
#define PCI_DEVICE_ID_INTEL_JSL_EMMC    0x4dc4
#define PCI_DEVICE_ID_INTEL_JSL_SD      0x4df8
#define PCI_DEVICE_ID_INTEL_LKF_EMMC    0x98c4
#define PCI_DEVICE_ID_INTEL_LKF_SD      0x98f8
#define PCI_DEVICE_ID_INTEL_ADL_EMMC    0x54c4

#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

#define PCI_DEVICE_ID_GLI_9755          0x9755
#define PCI_DEVICE_ID_GLI_9750          0x9750
#define PCI_DEVICE_ID_GLI_9763E         0xe763
#define PCI_DEVICE_ID_GLI_9767          0x9767

/*
 * 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);
        void                    (*remove_host) (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;
        const struct dmi_system_id *cd_gpio_override;
        size_t                  priv_size;
};

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

        int                     cd_idx;
        bool                    cd_override_level;

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

int sdhci_pci_uhs2_add_host(struct sdhci_pci_slot *slot);
void sdhci_pci_uhs2_remove_host(struct sdhci_pci_slot *slot, int dead);
#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;
extern const struct sdhci_pci_fixes sdhci_gl9750;
extern const struct sdhci_pci_fixes sdhci_gl9755;
extern const struct sdhci_pci_fixes sdhci_gl9763e;
extern const struct sdhci_pci_fixes sdhci_gl9767;

#endif /* __SDHCI_PCI_H */