diff options
| author | Ilya A. Volynets-Evenbakh <ilya@total-knowledge.com> | 2005-10-26 15:30:21 -0700 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-11-07 18:05:35 +0000 |
| commit | 08eaabfce0ba6eef7a0188888cc42f006914273e (patch) | |
| tree | 4b9d1f2a94b4209ec80f2a1f0ff97a99a4f569c6 | |
| parent | 6a4dea1ddea9d95c165ed15f08fa4e4dbbce9b82 (diff) | |
O2 parport definitions
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | include/asm-mips/ip32/mace.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/include/asm-mips/ip32/mace.h b/include/asm-mips/ip32/mace.h index 432011b16c2..5bdc51d85b6 100644 --- a/include/asm-mips/ip32/mace.h +++ b/include/asm-mips/ip32/mace.h @@ -147,6 +147,29 @@ struct mace_audio { } chan[3]; }; + +/* register definitions for parallel port DMA */ +struct mace_parport { +/* 0 - do nothing, 1 - pulse terminal count to the device after buffer is drained */ +#define MACEPAR_CONTEXT_LASTFLAG BIT(63) +/* Should not cross 4K page boundary */ +#define MACEPAR_CONTEXT_DATALEN_MASK 0xfff00000000 +/* Can be arbitrarily aligned on any byte boundary on output, 64 byte aligned on input */ +#define MACEPAR_CONTEXT_BASEADDR_MASK 0xffffffff + volatile u64 context_a; + volatile u64 context_b; +#define MACEPAR_CTLSTAT_DIRECTION BIT(0) /* 0 - mem->device, 1 - device->mem */ +#define MACEPAR_CTLSTAT_ENABLE BIT(1) /* 0 - channel frozen, 1 - channel enabled */ +#define MACEPAR_CTLSTAT_RESET BIT(2) /* 0 - channel active, 1 - complete channel reset */ +#define MACEPAR_CTLSTAT_CTXB_VALID BIT(3) +#define MACEPAR_CTLSTAT_CTXA_VALID BIT(4) + volatile u64 cntlstat; /* Control/Status register */ +#define MACEPAR_DIAG_CTXINUSE BIT(1) +#define MACEPAR_DIAG_DMACTIVE BIT(2) /* 1 - Dma engine is enabled and processing something */ +#define MACEPAR_DIAG_CTRMASK 0x3ffc /* Counter of bytes left */ + volatile u64 diagnostic; /* RO: diagnostic register */ +}; + /* ISA Control and DMA registers */ struct mace_isactrl { volatile unsigned long ringbase; @@ -199,6 +222,7 @@ struct mace_isactrl { volatile unsigned long _pad[0x2000/8 - 4]; volatile unsigned long dp_ram[0x400]; + struct mace_parport parport; }; /* Keyboard & Mouse registers @@ -277,7 +301,7 @@ struct mace_perif { */ /* Parallel port */ -struct mace_parallel { /* later... */ +struct mace_parallel { }; struct mace_ecp1284 { /* later... */ |