#include <lunaix/device.h>
#include <lunaix/ds/ldga.h>
#include <lunaix/ds/llist.h>
+#include <lunaix/ds/hashtable.h>
#include <lunaix/types.h>
+#include <lunaix/changeling.h>
-#define EXPORT_PCI_DEVICE(id, pci_devdef) \
- EXPORT_DEVICE(id, &(pci_devdef)->devdef, load_pci_probe)
-
-#define PCI_MATCH_EXACT -1
-#define PCI_MATCH_ANY 0
-#define PCI_MATCH_VENDOR 0xffff
-
-#define PCI_TDEV 0x0
-#define PCI_TPCIBRIDGE 0x1
-#define PCI_TCARDBRIDGE 0x2
+#include <asm-generic/isrm.h>
#define PCI_VENDOR_INVLD 0xffff
#define PCI_BAR_TYPE(x) ((x) & 0x6)
#define PCI_BAR_ADDR_MM(x) ((x) & ~0xf)
#define PCI_BAR_ADDR_IO(x) ((x) & ~0x3)
+#define PCI_BAR_COUNT 6
-#define PCI_MSI_ADDR(msi_base) ((msi_base) + 4)
+#define PCI_MSI_ADDR_LO(msi_base) ((msi_base) + 4)
+#define PCI_MSI_ADDR_HI(msi_base) ((msi_base) + 8)
#define PCI_MSI_DATA(msi_base, offset) ((msi_base) + 8 + offset)
#define PCI_MSI_MASK(msi_base, offset) ((msi_base) + 0xc + offset)
#define PCILOC_DEV(loc) (((loc) >> 3) & 0x1f)
#define PCILOC_FN(loc) ((loc) & 0x7)
-#define PCI_ID_ANY (-1)
-
typedef unsigned int pci_reg_t;
typedef u16_t pciaddr_t;
u32_t type;
};
-struct pci_device
+struct pci_probe
{
- struct device dev;
- struct llist_header dev_chain;
- struct hlist_node dev_cache;
-
- struct
- {
- struct device* dev;
- struct device_def* def;
- } binding;
+ morph_t mobj;
pciaddr_t loc;
u16_t intr_info;
u32_t cspace_base;
u32_t msi_loc;
struct pci_base_addr bar[6];
-};
-#define PCI_DEVICE(devbase) (container_of((devbase), struct pci_device, dev))
-typedef void* (*pci_drv_init)(struct pci_device*);
+ struct device* bind;
+};
+#define pci_probe_morpher morphable_attrs(pci_probe, mobj)
-#define PCI_DEVIDENT(vendor, id) \
- ((((id) & 0xffff) << 16) | (((vendor) & 0xffff)))
+typedef bool (*pci_id_checker_t)(struct pci_probe*);
-struct pci_device_def
+struct pci_registry
{
- u32_t dev_class;
- u32_t dev_ident;
- u32_t ident_mask;
- struct device_def devdef;
-};
+ struct hlist_node entries;
+ struct device_def* definition;
-/**
- * @brief 根据类型代码（Class Code）去在拓扑中寻找一个设备
- * 类型代码请参阅： PCI LB Spec. Appendix D.
- *
- * @return struct pci_device*
- */
-struct pci_device* pci_get_device_by_class(u32_t class);
+ pci_id_checker_t check_compact;
+};
-/**
- * @brief 根据设备商ID和设备ID，在拓扑中寻找一个设备
- *
- * @param vendorId
- * @param deviceId
- * @return struct pci_device*
- */
-struct pci_device*
-pci_get_device_by_id(u16_t vendorId, u16_t deviceId);
+bool
+pci_register_driver(struct device_def* def, pci_id_checker_t checker);
/**
* @brief 初始化PCI设备的基地址寄存器。返回由该基地址代表的，
* @return size_t
*/
size_t
-pci_bar_sizing(struct pci_device* dev, u32_t* bar_out, u32_t bar_num);
+pci_bar_sizing(struct pci_probe* probe, u32_t* bar_out, u32_t bar_num);
/**
* @brief Bind an abstract device instance to the pci device
*
* @param pcidev pci device
- * @param devobj abstract device instance
+ * @param dev abstract device instance
*/
-void
-pci_bind_instance(struct pci_device* pcidev, void* devobj);
+static inline void
+pci_bind_instance(struct pci_probe* probe, struct device* dev)
+{
+ probe->bind = dev;
+
+}
+
+msienv_t
+pci_msi_start(struct pci_probe* probe);
+
+msi_vector_t
+pci_msi_setup_at(msienv_t msienv, struct pci_probe* probe,
+ int i, isr_cb handler);
+
+static inline void
+pci_msi_done(msienv_t env)
+{
+ isrm_msi_done(env);
+}
+
+static inline msi_vector_t
+pci_msi_setup_simple(struct pci_probe* probe, isr_cb handler)
+{
+ msienv_t env;
+ msi_vector_t msiv;
+
+ env = pci_msi_start(probe);
+ msiv = pci_msi_setup_at(env, probe, 0, handler);
+ pci_msi_done(env);
+
+ return msiv;
+}
+
+int
+pci_bind_driver(struct pci_registry* reg);
+
+
+static inline unsigned int
+pci_device_vendor(struct pci_probe* probe)
+{
+ return PCI_DEV_VENDOR(probe->device_info);
+}
+
+static inline unsigned int
+pci_device_devid(struct pci_probe* probe)
+{
+ return PCI_DEV_DEVID(probe->device_info);
+}
+
+static inline unsigned int
+pci_device_class(struct pci_probe* probe)
+{
+ return PCI_DEV_CLASS(probe->class_info);
+}
+
+static inline struct pci_base_addr*
+pci_device_bar(struct pci_probe* probe, int index)
+{
+ return &probe->bar[index];
+}
+
+static inline void
+pci_cmd_set_mmio(pci_reg_t* cmd)
+{
+ *cmd |= PCI_RCMD_MM_ACCESS;
+}
+
+static inline ptr_t
+pci_requester_id(struct pci_probe* probe)
+{
+ return probe->loc;
+}
+
+static inline void
+pci_cmd_set_pmio(pci_reg_t* cmd)
+{
+ *cmd |= PCI_RCMD_IO_ACCESS;
+}
+
+static inline void
+pci_cmd_set_msi(pci_reg_t* cmd)
+{
+ *cmd |= PCI_RCMD_DISABLE_INTR;
+}
+
+static inline void
+pci_cmd_set_bus_master(pci_reg_t* cmd)
+{
+ *cmd |= PCI_RCMD_BUS_MASTER;
+}
+
+static inline void
+pci_cmd_set_fast_b2b(pci_reg_t* cmd)
+{
+ *cmd |= PCI_RCMD_FAST_B2B;
+}
+
+static inline bool
+pci_bar_mmio_space(struct pci_base_addr* bar)
+{
+ return (bar->type & BAR_TYPE_MMIO);
+}
+
+static inline bool
+pci_capability_msi(struct pci_probe* probe)
+{
+ return !!probe->msi_loc;
+}
+
+static inline int
+pci_intr_irq(struct pci_probe* probe)
+{
+ return PCI_INTR_IRQ(probe->intr_info);
+}
void
-pci_probe_bar_info(struct pci_device* device);
+pci_apply_command(struct pci_probe* probe, pci_reg_t cmd);
+
+pci_reg_t
+pci_read_cspace(ptr_t base, int offset);
void
-pci_probe_msi_info(struct pci_device* device);
+pci_write_cspace(ptr_t base, int offset, pci_reg_t data);
#endif /* __LUNAIX_PCI_H */
git://scm.lunaixsky.com / lunaix-os.git / blobdiff