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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-11 10:41:07 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-13 08:17:18 +0300
commite09b41010ba33a20a87472ee821fa407a5b8da36 (patch)
treed10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/drivers/staging/fsl-mc/include/mc-cmd.h
parentf93b97fd65072de626c074dbe099a1fff05ce060 (diff)
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page. During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/staging/fsl-mc/include/mc-cmd.h')
-rw-r--r--kernel/drivers/staging/fsl-mc/include/mc-cmd.h52
1 files changed, 35 insertions, 17 deletions
diff --git a/kernel/drivers/staging/fsl-mc/include/mc-cmd.h b/kernel/drivers/staging/fsl-mc/include/mc-cmd.h
index 32501e020..65277e3de 100644
--- a/kernel/drivers/staging/fsl-mc/include/mc-cmd.h
+++ b/kernel/drivers/staging/fsl-mc/include/mc-cmd.h
@@ -35,21 +35,21 @@
#define MC_CMD_NUM_OF_PARAMS 7
#define MAKE_UMASK64(_width) \
- ((uint64_t)((_width) < 64 ? ((uint64_t)1 << (_width)) - 1 : -1))
+ ((u64)((_width) < 64 ? ((u64)1 << (_width)) - 1 : -1))
-static inline uint64_t mc_enc(int lsoffset, int width, uint64_t val)
+static inline u64 mc_enc(int lsoffset, int width, u64 val)
{
- return (uint64_t)(((uint64_t)val & MAKE_UMASK64(width)) << lsoffset);
+ return (u64)(((u64)val & MAKE_UMASK64(width)) << lsoffset);
}
-static inline uint64_t mc_dec(uint64_t val, int lsoffset, int width)
+static inline u64 mc_dec(u64 val, int lsoffset, int width)
{
- return (uint64_t)((val >> lsoffset) & MAKE_UMASK64(width));
+ return (u64)((val >> lsoffset) & MAKE_UMASK64(width));
}
struct mc_command {
- uint64_t header;
- uint64_t params[MC_CMD_NUM_OF_PARAMS];
+ u64 header;
+ u64 params[MC_CMD_NUM_OF_PARAMS];
};
enum mc_cmd_status {
@@ -67,24 +67,41 @@ 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), \
MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S))
#define MC_CMD_HDR_READ_TOKEN(_hdr) \
- ((uint16_t)mc_dec((_hdr), MC_CMD_HDR_TOKEN_O, MC_CMD_HDR_TOKEN_S))
+ ((u16)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) \
+ ((u32)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))
@@ -95,15 +112,16 @@ enum mc_cmd_status {
#define MC_RSP_OP(_cmd, _param, _offset, _width, _type, _arg) \
(_arg = (_type)mc_dec(_cmd.params[_param], (_offset), (_width)))
-static inline uint64_t mc_encode_cmd_header(uint16_t cmd_id,
- uint8_t priority,
- uint16_t token)
+static inline u64 mc_encode_cmd_header(u16 cmd_id,
+ u32 cmd_flags,
+ u16 token)
{
- uint64_t hdr;
+ u64 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);