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 */ 186