#define PCI_ROOT_MSGBUS_WRITE 0x11
#define PCI_ROOT_MSGBUS_DWORD_ENABLE 0xf0
-u32 intel_mid_msgbus_read32_raw(u32 cmd);
u32 intel_mid_msgbus_read32(u8 port, u32 addr);
-void intel_mid_msgbus_write32_raw(u32 cmd, u32 data);
void intel_mid_msgbus_write32(u8 port, u32 addr, u32 data);
-u32 intel_mid_msgbus_read32_raw_ext(u32 cmd, u32 cmd_ext);
-void intel_mid_msgbus_write32_raw_ext(u32 cmd, u32 cmd_ext, u32 data);
}
fs_initcall(intel_mid_msgbus_init);
-u32 intel_mid_msgbus_read32_raw(u32 cmd)
-{
- unsigned long irq_flags;
- u32 data;
-
- spin_lock_irqsave(&msgbus_lock, irq_flags);
- pci_write_config_dword(pci_root, PCI_ROOT_MSGBUS_CTRL_REG, cmd);
- pci_read_config_dword(pci_root, PCI_ROOT_MSGBUS_DATA_REG, &data);
- spin_unlock_irqrestore(&msgbus_lock, irq_flags);
-
- return data;
-}
-EXPORT_SYMBOL(intel_mid_msgbus_read32_raw);
-
-/*
- * GU: this function is only used by the VISA and 'VXD' drivers.
- */
-u32 intel_mid_msgbus_read32_raw_ext(u32 cmd, u32 cmd_ext)
-{
- unsigned long irq_flags;
- u32 data;
-
- spin_lock_irqsave(&msgbus_lock, irq_flags);
- pci_write_config_dword(pci_root, PCI_ROOT_MSGBUS_CTRL_EXT_REG, cmd_ext);
- pci_write_config_dword(pci_root, PCI_ROOT_MSGBUS_CTRL_REG, cmd);
- pci_read_config_dword(pci_root, PCI_ROOT_MSGBUS_DATA_REG, &data);
- spin_unlock_irqrestore(&msgbus_lock, irq_flags);
-
- return data;
-}
-EXPORT_SYMBOL(intel_mid_msgbus_read32_raw_ext);
-
-void intel_mid_msgbus_write32_raw(u32 cmd, u32 data)
-{
- unsigned long irq_flags;
-
- spin_lock_irqsave(&msgbus_lock, irq_flags);
- pci_write_config_dword(pci_root, PCI_ROOT_MSGBUS_DATA_REG, data);
- pci_write_config_dword(pci_root, PCI_ROOT_MSGBUS_CTRL_REG, cmd);
- spin_unlock_irqrestore(&msgbus_lock, irq_flags);
-}
-EXPORT_SYMBOL(intel_mid_msgbus_write32_raw);
-
-/*
- * GU: this function is only used by the VISA and 'VXD' drivers.
- */
-void intel_mid_msgbus_write32_raw_ext(u32 cmd, u32 cmd_ext, u32 data)
-{
- unsigned long irq_flags;
-
- spin_lock_irqsave(&msgbus_lock, irq_flags);
- pci_write_config_dword(pci_root, PCI_ROOT_MSGBUS_DATA_REG, data);
- pci_write_config_dword(pci_root, PCI_ROOT_MSGBUS_CTRL_EXT_REG, cmd_ext);
- pci_write_config_dword(pci_root, PCI_ROOT_MSGBUS_CTRL_REG, cmd);
- spin_unlock_irqrestore(&msgbus_lock, irq_flags);
-}
-EXPORT_SYMBOL(intel_mid_msgbus_write32_raw_ext);
-
u32 intel_mid_msgbus_read32(u8 port, u32 addr)
{
unsigned long irq_flags;