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path: root/drivers/bus/mhi/core/internal.h
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Diffstat (limited to 'drivers/bus/mhi/core/internal.h')
-rw-r--r--drivers/bus/mhi/core/internal.h119
1 files changed, 60 insertions, 59 deletions
diff --git a/drivers/bus/mhi/core/internal.h b/drivers/bus/mhi/core/internal.h
index 3a732afaf73e..c02c4d48b744 100644
--- a/drivers/bus/mhi/core/internal.h
+++ b/drivers/bus/mhi/core/internal.h
@@ -209,14 +209,14 @@ extern struct bus_type mhi_bus_type;
#define EV_CTX_INTMODT_MASK GENMASK(31, 16)
#define EV_CTX_INTMODT_SHIFT 16
struct mhi_event_ctxt {
- __u32 intmod;
- __u32 ertype;
- __u32 msivec;
-
- __u64 rbase __packed __aligned(4);
- __u64 rlen __packed __aligned(4);
- __u64 rp __packed __aligned(4);
- __u64 wp __packed __aligned(4);
+ __le32 intmod;
+ __le32 ertype;
+ __le32 msivec;
+
+ __le64 rbase __packed __aligned(4);
+ __le64 rlen __packed __aligned(4);
+ __le64 rp __packed __aligned(4);
+ __le64 wp __packed __aligned(4);
};
#define CHAN_CTX_CHSTATE_MASK GENMASK(7, 0)
@@ -227,25 +227,25 @@ struct mhi_event_ctxt {
#define CHAN_CTX_POLLCFG_SHIFT 10
#define CHAN_CTX_RESERVED_MASK GENMASK(31, 16)
struct mhi_chan_ctxt {
- __u32 chcfg;
- __u32 chtype;
- __u32 erindex;
-
- __u64 rbase __packed __aligned(4);
- __u64 rlen __packed __aligned(4);
- __u64 rp __packed __aligned(4);
- __u64 wp __packed __aligned(4);
+ __le32 chcfg;
+ __le32 chtype;
+ __le32 erindex;
+
+ __le64 rbase __packed __aligned(4);
+ __le64 rlen __packed __aligned(4);
+ __le64 rp __packed __aligned(4);
+ __le64 wp __packed __aligned(4);
};
struct mhi_cmd_ctxt {
- __u32 reserved0;
- __u32 reserved1;
- __u32 reserved2;
-
- __u64 rbase __packed __aligned(4);
- __u64 rlen __packed __aligned(4);
- __u64 rp __packed __aligned(4);
- __u64 wp __packed __aligned(4);
+ __le32 reserved0;
+ __le32 reserved1;
+ __le32 reserved2;
+
+ __le64 rbase __packed __aligned(4);
+ __le64 rlen __packed __aligned(4);
+ __le64 rp __packed __aligned(4);
+ __le64 wp __packed __aligned(4);
};
struct mhi_ctxt {
@@ -258,8 +258,8 @@ struct mhi_ctxt {
};
struct mhi_tre {
- u64 ptr;
- u32 dword[2];
+ __le64 ptr;
+ __le32 dword[2];
};
struct bhi_vec_entry {
@@ -277,57 +277,58 @@ enum mhi_cmd_type {
/* No operation command */
#define MHI_TRE_CMD_NOOP_PTR (0)
#define MHI_TRE_CMD_NOOP_DWORD0 (0)
-#define MHI_TRE_CMD_NOOP_DWORD1 (MHI_CMD_NOP << 16)
+#define MHI_TRE_CMD_NOOP_DWORD1 (cpu_to_le32(MHI_CMD_NOP << 16))
/* Channel reset command */
#define MHI_TRE_CMD_RESET_PTR (0)
#define MHI_TRE_CMD_RESET_DWORD0 (0)
-#define MHI_TRE_CMD_RESET_DWORD1(chid) ((chid << 24) | \
- (MHI_CMD_RESET_CHAN << 16))
+#define MHI_TRE_CMD_RESET_DWORD1(chid) (cpu_to_le32((chid << 24) | \
+ (MHI_CMD_RESET_CHAN << 16)))
/* Channel stop command */
#define MHI_TRE_CMD_STOP_PTR (0)
#define MHI_TRE_CMD_STOP_DWORD0 (0)
-#define MHI_TRE_CMD_STOP_DWORD1(chid) ((chid << 24) | \
- (MHI_CMD_STOP_CHAN << 16))
+#define MHI_TRE_CMD_STOP_DWORD1(chid) (cpu_to_le32((chid << 24) | \
+ (MHI_CMD_STOP_CHAN << 16)))
/* Channel start command */
#define MHI_TRE_CMD_START_PTR (0)
#define MHI_TRE_CMD_START_DWORD0 (0)
-#define MHI_TRE_CMD_START_DWORD1(chid) ((chid << 24) | \
- (MHI_CMD_START_CHAN << 16))
+#define MHI_TRE_CMD_START_DWORD1(chid) (cpu_to_le32((chid << 24) | \
+ (MHI_CMD_START_CHAN << 16)))
-#define MHI_TRE_GET_CMD_CHID(tre) (((tre)->dword[1] >> 24) & 0xFF)
-#define MHI_TRE_GET_CMD_TYPE(tre) (((tre)->dword[1] >> 16) & 0xFF)
+#define MHI_TRE_GET_DWORD(tre, word) (le32_to_cpu((tre)->dword[(word)]))
+#define MHI_TRE_GET_CMD_CHID(tre) ((MHI_TRE_GET_DWORD(tre, 1) >> 24) & 0xFF)
+#define MHI_TRE_GET_CMD_TYPE(tre) ((MHI_TRE_GET_DWORD(tre, 1) >> 16) & 0xFF)
/* Event descriptor macros */
-#define MHI_TRE_EV_PTR(ptr) (ptr)
-#define MHI_TRE_EV_DWORD0(code, len) ((code << 24) | len)
-#define MHI_TRE_EV_DWORD1(chid, type) ((chid << 24) | (type << 16))
-#define MHI_TRE_GET_EV_PTR(tre) ((tre)->ptr)
-#define MHI_TRE_GET_EV_CODE(tre) (((tre)->dword[0] >> 24) & 0xFF)
-#define MHI_TRE_GET_EV_LEN(tre) ((tre)->dword[0] & 0xFFFF)
-#define MHI_TRE_GET_EV_CHID(tre) (((tre)->dword[1] >> 24) & 0xFF)
-#define MHI_TRE_GET_EV_TYPE(tre) (((tre)->dword[1] >> 16) & 0xFF)
-#define MHI_TRE_GET_EV_STATE(tre) (((tre)->dword[0] >> 24) & 0xFF)
-#define MHI_TRE_GET_EV_EXECENV(tre) (((tre)->dword[0] >> 24) & 0xFF)
-#define MHI_TRE_GET_EV_SEQ(tre) ((tre)->dword[0])
-#define MHI_TRE_GET_EV_TIME(tre) ((tre)->ptr)
-#define MHI_TRE_GET_EV_COOKIE(tre) lower_32_bits((tre)->ptr)
-#define MHI_TRE_GET_EV_VEID(tre) (((tre)->dword[0] >> 16) & 0xFF)
-#define MHI_TRE_GET_EV_LINKSPEED(tre) (((tre)->dword[1] >> 24) & 0xFF)
-#define MHI_TRE_GET_EV_LINKWIDTH(tre) ((tre)->dword[0] & 0xFF)
+#define MHI_TRE_EV_PTR(ptr) (cpu_to_le64(ptr))
+#define MHI_TRE_EV_DWORD0(code, len) (cpu_to_le32((code << 24) | len))
+#define MHI_TRE_EV_DWORD1(chid, type) (cpu_to_le32((chid << 24) | (type << 16)))
+#define MHI_TRE_GET_EV_PTR(tre) (le64_to_cpu((tre)->ptr))
+#define MHI_TRE_GET_EV_CODE(tre) ((MHI_TRE_GET_DWORD(tre, 0) >> 24) & 0xFF)
+#define MHI_TRE_GET_EV_LEN(tre) (MHI_TRE_GET_DWORD(tre, 0) & 0xFFFF)
+#define MHI_TRE_GET_EV_CHID(tre) ((MHI_TRE_GET_DWORD(tre, 1) >> 24) & 0xFF)
+#define MHI_TRE_GET_EV_TYPE(tre) ((MHI_TRE_GET_DWORD(tre, 1) >> 16) & 0xFF)
+#define MHI_TRE_GET_EV_STATE(tre) ((MHI_TRE_GET_DWORD(tre, 0) >> 24) & 0xFF)
+#define MHI_TRE_GET_EV_EXECENV(tre) ((MHI_TRE_GET_DWORD(tre, 0) >> 24) & 0xFF)
+#define MHI_TRE_GET_EV_SEQ(tre) MHI_TRE_GET_DWORD(tre, 0)
+#define MHI_TRE_GET_EV_TIME(tre) (MHI_TRE_GET_EV_PTR(tre))
+#define MHI_TRE_GET_EV_COOKIE(tre) lower_32_bits(MHI_TRE_GET_EV_PTR(tre))
+#define MHI_TRE_GET_EV_VEID(tre) ((MHI_TRE_GET_DWORD(tre, 0) >> 16) & 0xFF)
+#define MHI_TRE_GET_EV_LINKSPEED(tre) ((MHI_TRE_GET_DWORD(tre, 1) >> 24) & 0xFF)
+#define MHI_TRE_GET_EV_LINKWIDTH(tre) (MHI_TRE_GET_DWORD(tre, 0) & 0xFF)
/* Transfer descriptor macros */
-#define MHI_TRE_DATA_PTR(ptr) (ptr)
-#define MHI_TRE_DATA_DWORD0(len) (len & MHI_MAX_MTU)
-#define MHI_TRE_DATA_DWORD1(bei, ieot, ieob, chain) ((2 << 16) | (bei << 10) \
- | (ieot << 9) | (ieob << 8) | chain)
+#define MHI_TRE_DATA_PTR(ptr) (cpu_to_le64(ptr))
+#define MHI_TRE_DATA_DWORD0(len) (cpu_to_le32(len & MHI_MAX_MTU))
+#define MHI_TRE_DATA_DWORD1(bei, ieot, ieob, chain) (cpu_to_le32((2 << 16) | (bei << 10) \
+ | (ieot << 9) | (ieob << 8) | chain))
/* RSC transfer descriptor macros */
-#define MHI_RSCTRE_DATA_PTR(ptr, len) (((u64)len << 48) | ptr)
-#define MHI_RSCTRE_DATA_DWORD0(cookie) (cookie)
-#define MHI_RSCTRE_DATA_DWORD1 (MHI_PKT_TYPE_COALESCING << 16)
+#define MHI_RSCTRE_DATA_PTR(ptr, len) (cpu_to_le64(((u64)len << 48) | ptr))
+#define MHI_RSCTRE_DATA_DWORD0(cookie) (cpu_to_le32(cookie))
+#define MHI_RSCTRE_DATA_DWORD1 (cpu_to_le32(MHI_PKT_TYPE_COALESCING << 16))
enum mhi_pkt_type {
MHI_PKT_TYPE_INVALID = 0x0,
@@ -499,7 +500,7 @@ struct state_transition {
struct mhi_ring {
dma_addr_t dma_handle;
dma_addr_t iommu_base;
- u64 *ctxt_wp; /* point to ctxt wp */
+ __le64 *ctxt_wp; /* point to ctxt wp */
void *pre_aligned;
void *base;
void *rp;