[mirror_ubuntu-bionic-kernel.git] / drivers / staging / media / atomisp / include / asm / intel_mid_pcihelpers.h

/*
 * Access to message bus through three registers
 * in CUNIT(0:0:0) PCI configuration space.
 * MSGBUS_CTRL_REG(0xD0):
 *   31:24      = message bus opcode
 *   23:16      = message bus port
 *   15:8       = message bus address, low 8 bits.
 *   7:4        = message bus byte enables
 * MSGBUS_CTRL_EXT_REG(0xD8):
 *   31:8       = message bus address, high 24 bits.
 * MSGBUS_DATA_REG(0xD4):
 *   hold the data for write or read
 */
#define PCI_ROOT_MSGBUS_CTRL_REG        0xD0
#define PCI_ROOT_MSGBUS_DATA_REG        0xD4
#define PCI_ROOT_MSGBUS_CTRL_EXT_REG    0xD8
#define PCI_ROOT_MSGBUS_READ            0x10
#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);
Commit	Line	Data
a49d2536 AC	1	/*
	2	* Access to message bus through three registers
	3	* in CUNIT(0:0:0) PCI configuration space.
	4	* MSGBUS_CTRL_REG(0xD0):
	5	* 31:24 = message bus opcode
	6	* 23:16 = message bus port
	7	* 15:8 = message bus address, low 8 bits.
	8	* 7:4 = message bus byte enables
	9	* MSGBUS_CTRL_EXT_REG(0xD8):
	10	* 31:8 = message bus address, high 24 bits.
	11	* MSGBUS_DATA_REG(0xD4):
	12	* hold the data for write or read
	13	*/
	14	#define PCI_ROOT_MSGBUS_CTRL_REG 0xD0
	15	#define PCI_ROOT_MSGBUS_DATA_REG 0xD4
	16	#define PCI_ROOT_MSGBUS_CTRL_EXT_REG 0xD8
	17	#define PCI_ROOT_MSGBUS_READ 0x10
	18	#define PCI_ROOT_MSGBUS_WRITE 0x11
	19	#define PCI_ROOT_MSGBUS_DWORD_ENABLE 0xf0
	20
a49d2536 AC	21	u32 intel_mid_msgbus_read32_raw(u32 cmd);
	22	u32 intel_mid_msgbus_read32(u8 port, u32 addr);
	23	void intel_mid_msgbus_write32_raw(u32 cmd, u32 data);
	24	void intel_mid_msgbus_write32(u8 port, u32 addr, u32 data);
	25	u32 intel_mid_msgbus_read32_raw_ext(u32 cmd, u32 cmd_ext);
	26	void intel_mid_msgbus_write32_raw_ext(u32 cmd, u32 cmd_ext, u32 data);