diff options
Diffstat (limited to 'drivers/staging/vme/bridges/vme_ca91cx42.h')
| -rw-r--r-- | drivers/staging/vme/bridges/vme_ca91cx42.h | 136 |
1 files changed, 107 insertions, 29 deletions
diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.h b/drivers/staging/vme/bridges/vme_ca91cx42.h index 95a42c240a20..e72c65b193ec 100644 --- a/drivers/staging/vme/bridges/vme_ca91cx42.h +++ b/drivers/staging/vme/bridges/vme_ca91cx42.h @@ -7,8 +7,8 @@ * Updated by Ajit Prem * Copyright 2004 Motorola Inc. * - * Further updated by Martyn Welch <martyn.welch@gefanuc.com> - * Copyright 2009 GE Fanuc Intelligent Platforms Embedded Systems, Inc. + * Further updated by Martyn Welch <martyn.welch@ge.com> + * Copyright 2009 GE Intelligent Platforms Embedded Systems, Inc. * * Derived from ca91c042.h by Michael Wyrick * @@ -37,11 +37,27 @@ #define CA91C142_MAX_DMA 1 /* Max DMA Controllers */ #define CA91C142_MAX_MAILBOX 4 /* Max Mail Box registers */ +/* Structure used to hold driver specific information */ +struct ca91cx42_driver { + void *base; /* Base Address of device registers */ + wait_queue_head_t dma_queue; + wait_queue_head_t iack_queue; + wait_queue_head_t mbox_queue; + void (*lm_callback[4])(int); /* Called in interrupt handler */ + void *crcsr_kernel; + dma_addr_t crcsr_bus; + struct mutex vme_rmw; /* Only one RMW cycle at a time */ + struct mutex vme_int; /* + * Only one VME interrupt can be + * generated at a time, provide locking + */ +}; + /* See Page 2-77 in the Universe User Manual */ struct ca91cx42_dma_descriptor { unsigned int dctl; /* DMA Control */ unsigned int dtbc; /* Transfer Byte Count */ - unsigned int dlv; /* PCI Address */ + unsigned int dla; /* PCI Address */ unsigned int res1; /* Reserved */ unsigned int dva; /* Vme Address */ unsigned int res2; /* Reserved */ @@ -237,32 +253,6 @@ static const int CA91CX42_VSI_TO[] = { VSI0_TO, VSI1_TO, VSI2_TO, VSI3_TO, #define VCSR_SET 0x0FF8 #define VCSR_BS 0x0FFC -// DMA General Control/Status Register DGCS (0x220) -// 32-24 || GO | STOPR | HALTR | 0 || CHAIN | 0 | 0 | 0 || -// 23-16 || VON || VOFF || -// 15-08 || ACT | STOP | HALT | 0 || DONE | LERR | VERR | P_ERR || -// 07-00 || 0 | INT_S | INT_H | 0 || I_DNE | I_LER | I_VER | I_PER || - -// VON - Length Per DMA VMEBus Transfer -// 0000 = None -// 0001 = 256 Bytes -// 0010 = 512 -// 0011 = 1024 -// 0100 = 2048 -// 0101 = 4096 -// 0110 = 8192 -// 0111 = 16384 - -// VOFF - wait between DMA tenures -// 0000 = 0 us -// 0001 = 16 -// 0010 = 32 -// 0011 = 64 -// 0100 = 128 -// 0101 = 256 -// 0110 = 512 -// 0111 = 1024 - /* * PCI Class Register * offset 008 @@ -326,6 +316,16 @@ static const int CA91CX42_VSI_TO[] = { VSI0_TO, VSI1_TO, VSI2_TO, VSI3_TO, #define CA91CX42_LSI_CTL_VCT_MBLT (1<<8) #define CA91CX42_LSI_CTL_LAS (1<<0) +/* + * SCYC_CTL Register + * offset 178 + */ +#define CA91CX42_SCYC_CTL_LAS_PCIMEM 0 +#define CA91CX42_SCYC_CTL_LAS_PCIIO (1<<2) + +#define CA91CX42_SCYC_CTL_CYC_M (3<<0) +#define CA91CX42_SCYC_CTL_CYC_RMW (1<<0) +#define CA91CX42_SCYC_CTL_CYC_ADOH (1<<1) /* * LMISC Register @@ -355,6 +355,71 @@ static const int CA91CX42_VSI_TO[] = { VSI0_TO, VSI1_TO, VSI2_TO, VSI3_TO, #define CA91CX42_BM_SLSI_RESERVED 0x3F0F0000 /* + * DCTL Register + * offset 200 + */ +#define CA91CX42_DCTL_L2V (1<<31) +#define CA91CX42_DCTL_VDW_M (3<<22) +#define CA91CX42_DCTL_VDW_M (3<<22) +#define CA91CX42_DCTL_VDW_D8 0 +#define CA91CX42_DCTL_VDW_D16 (1<<22) +#define CA91CX42_DCTL_VDW_D32 (1<<23) +#define CA91CX42_DCTL_VDW_D64 (3<<22) + +#define CA91CX42_DCTL_VAS_M (7<<16) +#define CA91CX42_DCTL_VAS_A16 0 +#define CA91CX42_DCTL_VAS_A24 (1<<16) +#define CA91CX42_DCTL_VAS_A32 (1<<17) +#define CA91CX42_DCTL_VAS_USER1 (3<<17) +#define CA91CX42_DCTL_VAS_USER2 (7<<16) + +#define CA91CX42_DCTL_PGM_M (1<<14) +#define CA91CX42_DCTL_PGM_DATA 0 +#define CA91CX42_DCTL_PGM_PGM (1<<14) + +#define CA91CX42_DCTL_SUPER_M (1<<12) +#define CA91CX42_DCTL_SUPER_NPRIV 0 +#define CA91CX42_DCTL_SUPER_SUPR (1<<12) + +#define CA91CX42_DCTL_VCT_M (1<<8) +#define CA91CX42_DCTL_VCT_BLT (1<<8) +#define CA91CX42_DCTL_LD64EN (1<<7) + +/* + * DCPP Register + * offset 218 + */ +#define CA91CX42_DCPP_M 0xf +#define CA91CX42_DCPP_NULL (1<<0) + +/* + * DMA General Control/Status Register (DGCS) + * offset 220 + */ +#define CA91CX42_DGCS_GO (1<<31) +#define CA91CX42_DGCS_STOP_REQ (1<<30) +#define CA91CX42_DGCS_HALT_REQ (1<<29) +#define CA91CX42_DGCS_CHAIN (1<<27) + +#define CA91CX42_DGCS_VON_M (7<<20) + +#define CA91CX42_DGCS_VOFF_M (0xf<<16) + +#define CA91CX42_DGCS_ACT (1<<15) +#define CA91CX42_DGCS_STOP (1<<14) +#define CA91CX42_DGCS_HALT (1<<13) +#define CA91CX42_DGCS_DONE (1<<11) +#define CA91CX42_DGCS_LERR (1<<10) +#define CA91CX42_DGCS_VERR (1<<9) +#define CA91CX42_DGCS_PERR (1<<8) +#define CA91CX42_DGCS_INT_STOP (1<<6) +#define CA91CX42_DGCS_INT_HALT (1<<5) +#define CA91CX42_DGCS_INT_DONE (1<<3) +#define CA91CX42_DGCS_INT_LERR (1<<2) +#define CA91CX42_DGCS_INT_VERR (1<<1) +#define CA91CX42_DGCS_INT_PERR (1<<0) + +/* * PCI Interrupt Enable Register * offset 300 */ @@ -475,6 +540,19 @@ static const int CA91CX42_LINT_LM[] = { CA91CX42_LINT_LM0, CA91CX42_LINT_LM1, #define CA91CX42_VSI_CTL_LAS_PCI_IO (1<<0) #define CA91CX42_VSI_CTL_LAS_PCI_CONF (1<<1) +/* LM_CTL Register + * offset F64 + */ +#define CA91CX42_LM_CTL_EN (1<<31) +#define CA91CX42_LM_CTL_PGM (1<<23) +#define CA91CX42_LM_CTL_DATA (1<<22) +#define CA91CX42_LM_CTL_SUPR (1<<21) +#define CA91CX42_LM_CTL_NPRIV (1<<20) +#define CA91CX42_LM_CTL_AS_M (5<<16) +#define CA91CX42_LM_CTL_AS_A16 0 +#define CA91CX42_LM_CTL_AS_A24 (1<<16) +#define CA91CX42_LM_CTL_AS_A32 (1<<17) + /* * VRAI_CTL Register * offset F70 |