diff options
Diffstat (limited to 'drivers/staging/brcm80211/include/sbhnddma.h')
| -rw-r--r-- | drivers/staging/brcm80211/include/sbhnddma.h | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/drivers/staging/brcm80211/include/sbhnddma.h b/drivers/staging/brcm80211/include/sbhnddma.h deleted file mode 100644 index 08cb7f6e0d85..000000000000 --- a/drivers/staging/brcm80211/include/sbhnddma.h +++ /dev/null @@ -1,315 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef _sbhnddma_h_ -#define _sbhnddma_h_ - -/* DMA structure: - * support two DMA engines: 32 bits address or 64 bit addressing - * basic DMA register set is per channel(transmit or receive) - * a pair of channels is defined for convenience - */ - -/* 32 bits addressing */ - -/* dma registers per channel(xmt or rcv) */ -typedef volatile struct { - u32 control; /* enable, et al */ - u32 addr; /* descriptor ring base address (4K aligned) */ - u32 ptr; /* last descriptor posted to chip */ - u32 status; /* current active descriptor, et al */ -} dma32regs_t; - -typedef volatile struct { - dma32regs_t xmt; /* dma tx channel */ - dma32regs_t rcv; /* dma rx channel */ -} dma32regp_t; - -typedef volatile struct { /* diag access */ - u32 fifoaddr; /* diag address */ - u32 fifodatalow; /* low 32bits of data */ - u32 fifodatahigh; /* high 32bits of data */ - u32 pad; /* reserved */ -} dma32diag_t; - -/* - * DMA Descriptor - * Descriptors are only read by the hardware, never written back. - */ -typedef volatile struct { - u32 ctrl; /* misc control bits & bufcount */ - u32 addr; /* data buffer address */ -} dma32dd_t; - -/* - * Each descriptor ring must be 4096byte aligned, and fit within a single 4096byte page. - */ -#define D32RINGALIGN_BITS 12 -#define D32MAXRINGSZ (1 << D32RINGALIGN_BITS) -#define D32RINGALIGN (1 << D32RINGALIGN_BITS) - -#define D32MAXDD (D32MAXRINGSZ / sizeof (dma32dd_t)) - -/* transmit channel control */ -#define XC_XE ((u32)1 << 0) /* transmit enable */ -#define XC_SE ((u32)1 << 1) /* transmit suspend request */ -#define XC_LE ((u32)1 << 2) /* loopback enable */ -#define XC_FL ((u32)1 << 4) /* flush request */ -#define XC_PD ((u32)1 << 11) /* parity check disable */ -#define XC_AE ((u32)3 << 16) /* address extension bits */ -#define XC_AE_SHIFT 16 - -/* transmit descriptor table pointer */ -#define XP_LD_MASK 0xfff /* last valid descriptor */ - -/* transmit channel status */ -#define XS_CD_MASK 0x0fff /* current descriptor pointer */ -#define XS_XS_MASK 0xf000 /* transmit state */ -#define XS_XS_SHIFT 12 -#define XS_XS_DISABLED 0x0000 /* disabled */ -#define XS_XS_ACTIVE 0x1000 /* active */ -#define XS_XS_IDLE 0x2000 /* idle wait */ -#define XS_XS_STOPPED 0x3000 /* stopped */ -#define XS_XS_SUSP 0x4000 /* suspend pending */ -#define XS_XE_MASK 0xf0000 /* transmit errors */ -#define XS_XE_SHIFT 16 -#define XS_XE_NOERR 0x00000 /* no error */ -#define XS_XE_DPE 0x10000 /* descriptor protocol error */ -#define XS_XE_DFU 0x20000 /* data fifo underrun */ -#define XS_XE_BEBR 0x30000 /* bus error on buffer read */ -#define XS_XE_BEDA 0x40000 /* bus error on descriptor access */ -#define XS_AD_MASK 0xfff00000 /* active descriptor */ -#define XS_AD_SHIFT 20 - -/* receive channel control */ -#define RC_RE ((u32)1 << 0) /* receive enable */ -#define RC_RO_MASK 0xfe /* receive frame offset */ -#define RC_RO_SHIFT 1 -#define RC_FM ((u32)1 << 8) /* direct fifo receive (pio) mode */ -#define RC_SH ((u32)1 << 9) /* separate rx header descriptor enable */ -#define RC_OC ((u32)1 << 10) /* overflow continue */ -#define RC_PD ((u32)1 << 11) /* parity check disable */ -#define RC_AE ((u32)3 << 16) /* address extension bits */ -#define RC_AE_SHIFT 16 - -/* receive descriptor table pointer */ -#define RP_LD_MASK 0xfff /* last valid descriptor */ - -/* receive channel status */ -#define RS_CD_MASK 0x0fff /* current descriptor pointer */ -#define RS_RS_MASK 0xf000 /* receive state */ -#define RS_RS_SHIFT 12 -#define RS_RS_DISABLED 0x0000 /* disabled */ -#define RS_RS_ACTIVE 0x1000 /* active */ -#define RS_RS_IDLE 0x2000 /* idle wait */ -#define RS_RS_STOPPED 0x3000 /* reserved */ -#define RS_RE_MASK 0xf0000 /* receive errors */ -#define RS_RE_SHIFT 16 -#define RS_RE_NOERR 0x00000 /* no error */ -#define RS_RE_DPE 0x10000 /* descriptor protocol error */ -#define RS_RE_DFO 0x20000 /* data fifo overflow */ -#define RS_RE_BEBW 0x30000 /* bus error on buffer write */ -#define RS_RE_BEDA 0x40000 /* bus error on descriptor access */ -#define RS_AD_MASK 0xfff00000 /* active descriptor */ -#define RS_AD_SHIFT 20 - -/* fifoaddr */ -#define FA_OFF_MASK 0xffff /* offset */ -#define FA_SEL_MASK 0xf0000 /* select */ -#define FA_SEL_SHIFT 16 -#define FA_SEL_XDD 0x00000 /* transmit dma data */ -#define FA_SEL_XDP 0x10000 /* transmit dma pointers */ -#define FA_SEL_RDD 0x40000 /* receive dma data */ -#define FA_SEL_RDP 0x50000 /* receive dma pointers */ -#define FA_SEL_XFD 0x80000 /* transmit fifo data */ -#define FA_SEL_XFP 0x90000 /* transmit fifo pointers */ -#define FA_SEL_RFD 0xc0000 /* receive fifo data */ -#define FA_SEL_RFP 0xd0000 /* receive fifo pointers */ -#define FA_SEL_RSD 0xe0000 /* receive frame status data */ -#define FA_SEL_RSP 0xf0000 /* receive frame status pointers */ - -/* descriptor control flags */ -#define CTRL_BC_MASK 0x00001fff /* buffer byte count, real data len must <= 4KB */ -#define CTRL_AE ((u32)3 << 16) /* address extension bits */ -#define CTRL_AE_SHIFT 16 -#define CTRL_PARITY ((u32)3 << 18) /* parity bit */ -#define CTRL_EOT ((u32)1 << 28) /* end of descriptor table */ -#define CTRL_IOC ((u32)1 << 29) /* interrupt on completion */ -#define CTRL_EOF ((u32)1 << 30) /* end of frame */ -#define CTRL_SOF ((u32)1 << 31) /* start of frame */ - -/* control flags in the range [27:20] are core-specific and not defined here */ -#define CTRL_CORE_MASK 0x0ff00000 - -/* 64 bits addressing */ - -/* dma registers per channel(xmt or rcv) */ -typedef volatile struct { - u32 control; /* enable, et al */ - u32 ptr; /* last descriptor posted to chip */ - u32 addrlow; /* descriptor ring base address low 32-bits (8K aligned) */ - u32 addrhigh; /* descriptor ring base address bits 63:32 (8K aligned) */ - u32 status0; /* current descriptor, xmt state */ - u32 status1; /* active descriptor, xmt error */ -} dma64regs_t; - -typedef volatile struct { - dma64regs_t tx; /* dma64 tx channel */ - dma64regs_t rx; /* dma64 rx channel */ -} dma64regp_t; - -typedef volatile struct { /* diag access */ - u32 fifoaddr; /* diag address */ - u32 fifodatalow; /* low 32bits of data */ - u32 fifodatahigh; /* high 32bits of data */ - u32 pad; /* reserved */ -} dma64diag_t; - -/* - * DMA Descriptor - * Descriptors are only read by the hardware, never written back. - */ -typedef volatile struct { - u32 ctrl1; /* misc control bits & bufcount */ - u32 ctrl2; /* buffer count and address extension */ - u32 addrlow; /* memory address of the date buffer, bits 31:0 */ - u32 addrhigh; /* memory address of the date buffer, bits 63:32 */ -} dma64dd_t; - -/* - * Each descriptor ring must be 8kB aligned, and fit within a contiguous 8kB physical address. - */ -#define D64RINGALIGN_BITS 13 -#define D64MAXRINGSZ (1 << D64RINGALIGN_BITS) -#define D64RINGALIGN (1 << D64RINGALIGN_BITS) - -#define D64MAXDD (D64MAXRINGSZ / sizeof (dma64dd_t)) - -/* transmit channel control */ -#define D64_XC_XE 0x00000001 /* transmit enable */ -#define D64_XC_SE 0x00000002 /* transmit suspend request */ -#define D64_XC_LE 0x00000004 /* loopback enable */ -#define D64_XC_FL 0x00000010 /* flush request */ -#define D64_XC_PD 0x00000800 /* parity check disable */ -#define D64_XC_AE 0x00030000 /* address extension bits */ -#define D64_XC_AE_SHIFT 16 - -/* transmit descriptor table pointer */ -#define D64_XP_LD_MASK 0x00000fff /* last valid descriptor */ - -/* transmit channel status */ -#define D64_XS0_CD_MASK 0x00001fff /* current descriptor pointer */ -#define D64_XS0_XS_MASK 0xf0000000 /* transmit state */ -#define D64_XS0_XS_SHIFT 28 -#define D64_XS0_XS_DISABLED 0x00000000 /* disabled */ -#define D64_XS0_XS_ACTIVE 0x10000000 /* active */ -#define D64_XS0_XS_IDLE 0x20000000 /* idle wait */ -#define D64_XS0_XS_STOPPED 0x30000000 /* stopped */ -#define D64_XS0_XS_SUSP 0x40000000 /* suspend pending */ - -#define D64_XS1_AD_MASK 0x00001fff /* active descriptor */ -#define D64_XS1_XE_MASK 0xf0000000 /* transmit errors */ -#define D64_XS1_XE_SHIFT 28 -#define D64_XS1_XE_NOERR 0x00000000 /* no error */ -#define D64_XS1_XE_DPE 0x10000000 /* descriptor protocol error */ -#define D64_XS1_XE_DFU 0x20000000 /* data fifo underrun */ -#define D64_XS1_XE_DTE 0x30000000 /* data transfer error */ -#define D64_XS1_XE_DESRE 0x40000000 /* descriptor read error */ -#define D64_XS1_XE_COREE 0x50000000 /* core error */ - -/* receive channel control */ -#define D64_RC_RE 0x00000001 /* receive enable */ -#define D64_RC_RO_MASK 0x000000fe /* receive frame offset */ -#define D64_RC_RO_SHIFT 1 -#define D64_RC_FM 0x00000100 /* direct fifo receive (pio) mode */ -#define D64_RC_SH 0x00000200 /* separate rx header descriptor enable */ -#define D64_RC_OC 0x00000400 /* overflow continue */ -#define D64_RC_PD 0x00000800 /* parity check disable */ -#define D64_RC_AE 0x00030000 /* address extension bits */ -#define D64_RC_AE_SHIFT 16 - -/* flags for dma controller */ -#define DMA_CTRL_PEN (1 << 0) /* partity enable */ -#define DMA_CTRL_ROC (1 << 1) /* rx overflow continue */ -#define DMA_CTRL_RXMULTI (1 << 2) /* allow rx scatter to multiple descriptors */ -#define DMA_CTRL_UNFRAMED (1 << 3) /* Unframed Rx/Tx data */ - -/* receive descriptor table pointer */ -#define D64_RP_LD_MASK 0x00000fff /* last valid descriptor */ - -/* receive channel status */ -#define D64_RS0_CD_MASK 0x00001fff /* current descriptor pointer */ -#define D64_RS0_RS_MASK 0xf0000000 /* receive state */ -#define D64_RS0_RS_SHIFT 28 -#define D64_RS0_RS_DISABLED 0x00000000 /* disabled */ -#define D64_RS0_RS_ACTIVE 0x10000000 /* active */ -#define D64_RS0_RS_IDLE 0x20000000 /* idle wait */ -#define D64_RS0_RS_STOPPED 0x30000000 /* stopped */ -#define D64_RS0_RS_SUSP 0x40000000 /* suspend pending */ - -#define D64_RS1_AD_MASK 0x0001ffff /* active descriptor */ -#define D64_RS1_RE_MASK 0xf0000000 /* receive errors */ -#define D64_RS1_RE_SHIFT 28 -#define D64_RS1_RE_NOERR 0x00000000 /* no error */ -#define D64_RS1_RE_DPO 0x10000000 /* descriptor protocol error */ -#define D64_RS1_RE_DFU 0x20000000 /* data fifo overflow */ -#define D64_RS1_RE_DTE 0x30000000 /* data transfer error */ -#define D64_RS1_RE_DESRE 0x40000000 /* descriptor read error */ -#define D64_RS1_RE_COREE 0x50000000 /* core error */ - -/* fifoaddr */ -#define D64_FA_OFF_MASK 0xffff /* offset */ -#define D64_FA_SEL_MASK 0xf0000 /* select */ -#define D64_FA_SEL_SHIFT 16 -#define D64_FA_SEL_XDD 0x00000 /* transmit dma data */ -#define D64_FA_SEL_XDP 0x10000 /* transmit dma pointers */ -#define D64_FA_SEL_RDD 0x40000 /* receive dma data */ -#define D64_FA_SEL_RDP 0x50000 /* receive dma pointers */ -#define D64_FA_SEL_XFD 0x80000 /* transmit fifo data */ -#define D64_FA_SEL_XFP 0x90000 /* transmit fifo pointers */ -#define D64_FA_SEL_RFD 0xc0000 /* receive fifo data */ -#define D64_FA_SEL_RFP 0xd0000 /* receive fifo pointers */ -#define D64_FA_SEL_RSD 0xe0000 /* receive frame status data */ -#define D64_FA_SEL_RSP 0xf0000 /* receive frame status pointers */ - -/* descriptor control flags 1 */ -#define D64_CTRL_COREFLAGS 0x0ff00000 /* core specific flags */ -#define D64_CTRL1_EOT ((u32)1 << 28) /* end of descriptor table */ -#define D64_CTRL1_IOC ((u32)1 << 29) /* interrupt on completion */ -#define D64_CTRL1_EOF ((u32)1 << 30) /* end of frame */ -#define D64_CTRL1_SOF ((u32)1 << 31) /* start of frame */ - -/* descriptor control flags 2 */ -#define D64_CTRL2_BC_MASK 0x00007fff /* buffer byte count. real data len must <= 16KB */ -#define D64_CTRL2_AE 0x00030000 /* address extension bits */ -#define D64_CTRL2_AE_SHIFT 16 -#define D64_CTRL2_PARITY 0x00040000 /* parity bit */ - -/* control flags in the range [27:20] are core-specific and not defined here */ -#define D64_CTRL_CORE_MASK 0x0ff00000 - -#define D64_RX_FRM_STS_LEN 0x0000ffff /* frame length mask */ -#define D64_RX_FRM_STS_OVFL 0x00800000 /* RxOverFlow */ -#define D64_RX_FRM_STS_DSCRCNT 0x0f000000 /* no. of descriptors used - 1 */ -#define D64_RX_FRM_STS_DATATYPE 0xf0000000 /* core-dependent data type */ - -/* receive frame status */ -typedef volatile struct { - u16 len; - u16 flags; -} dma_rxh_t; - -#endif /* _sbhnddma_h_ */ |