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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: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
J. German Rivera 2015-09-23 16:10:58 -05:00 committed by Greg Kroah-Hartman
parent 7e4161747b
commit e860466906
1 changed files with 24 additions and 6 deletions
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30
drivers/staging/fsl-mc/include/mc-cmd.h
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@ -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);