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Commit e8604669 authored by J. German Rivera's avatar J. German Rivera Committed by Greg Kroah-Hartman
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staging: fsl-mc: Add new flags field to MC command header 



The Management Complex (MC) binary interface added a new "flags"
field to the command header.
Add the definitions for this field in preparation for adding the
new cmd_flags parameter to all MC interface APIs.

Signed-off-by: default avatarJ. German Rivera <German.Rivera@freescale.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7e416174

drivers/staging/fsl-mc/include/mc-cmd.h

+24 −6
Original line number Diff line number Diff line
@@ -67,14 +67,31 @@ enum mc_cmd_status { 
	MC_CMD_STATUS_INVALID_STATE = 0xC /* Invalid state */

};



/*

 * MC command flags

 */



/* High priority flag */

#define MC_CMD_FLAG_PRI		0x00008000

/* Command completion flag */

#define MC_CMD_FLAG_INTR_DIS	0x01000000



/*

 * TODO Remove following two defines after completion of flib 8.0.0

 * integration

 */

#define MC_CMD_PRI_LOW		0 /*!< Low Priority command indication */

#define MC_CMD_PRI_HIGH		1 /*!< High Priority command indication */



#define MC_CMD_HDR_CMDID_O	52	/* Command ID field offset */

#define MC_CMD_HDR_CMDID_S	12	/* Command ID field size */

#define MC_CMD_HDR_TOKEN_O	38	/* Token field offset */

#define MC_CMD_HDR_TOKEN_S	10	/* Token field size */

#define MC_CMD_HDR_STATUS_O	16	/* Status field offset */

#define MC_CMD_HDR_STATUS_S	8	/* Status field size*/

#define MC_CMD_HDR_PRI_O	15	/* Priority field offset */

#define MC_CMD_HDR_PRI_S	1	/* Priority field size */

#define MC_CMD_HDR_FLAGS_O	0	/* Flags field offset */

#define MC_CMD_HDR_FLAGS_S	32	/* Flags field size*/

#define MC_CMD_HDR_FLAGS_MASK	0xFF00FF00 /* Command flags mask */



#define MC_CMD_HDR_READ_STATUS(_hdr) \

	((enum mc_cmd_status)mc_dec((_hdr), \
@@ -83,8 +100,8 @@ enum mc_cmd_status { 
#define MC_CMD_HDR_READ_TOKEN(_hdr) \

	((uint16_t)mc_dec((_hdr), MC_CMD_HDR_TOKEN_O, MC_CMD_HDR_TOKEN_S))



#define MC_CMD_PRI_LOW		0 /* Low Priority command indication */

#define MC_CMD_PRI_HIGH		1 /* High Priority command indication */

#define MC_CMD_HDR_READ_FLAGS(_hdr) \

	((uint32_t)mc_dec((_hdr), MC_CMD_HDR_FLAGS_O, MC_CMD_HDR_FLAGS_S))



#define MC_EXT_OP(_ext, _param, _offset, _width, _type, _arg) \

	((_ext)[_param] |= mc_enc((_offset), (_width), _arg))
@@ -96,14 +113,15 @@ enum mc_cmd_status { 
	(_arg = (_type)mc_dec(_cmd.params[_param], (_offset), (_width)))



static inline uint64_t mc_encode_cmd_header(uint16_t cmd_id,

					    uint8_t priority,

					    uint32_t cmd_flags,

					    uint16_t token)

{

	uint64_t hdr;



	hdr = mc_enc(MC_CMD_HDR_CMDID_O, MC_CMD_HDR_CMDID_S, cmd_id);

	hdr |= mc_enc(MC_CMD_HDR_FLAGS_O, MC_CMD_HDR_FLAGS_S,

		       (cmd_flags & MC_CMD_HDR_FLAGS_MASK));

	hdr |= mc_enc(MC_CMD_HDR_TOKEN_O, MC_CMD_HDR_TOKEN_S, token);

	hdr |= mc_enc(MC_CMD_HDR_PRI_O, MC_CMD_HDR_PRI_S, priority);

	hdr |= mc_enc(MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S,

		       MC_CMD_STATUS_READY);