Commit 08eaabfc authored by Ilya A. Volynets-Evenbakh's avatar Ilya A. Volynets-Evenbakh Committed by Ralf Baechle
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O2 parport definitions


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 6a4dea1d
......@@ -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... */
......
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