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1453 lines
53 KiB
1453 lines
53 KiB
/****************************************************************************** |
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Device driver for Interphase ATM PCI adapter cards |
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Author: Peter Wang <[email protected]> |
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Interphase Corporation <www.iphase.com> |
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Version: 1.0 |
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iphase.h: This is the header file for iphase.c. |
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******************************************************************************* |
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This software may be used and distributed according to the terms |
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of the GNU General Public License (GPL), incorporated herein by reference. |
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Drivers based on this skeleton fall under the GPL and must retain |
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the authorship (implicit copyright) notice. |
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This program is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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Modified from an incomplete driver for Interphase 5575 1KVC 1M card which |
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was originally written by Monalisa Agrawal at UNH. Now this driver |
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supports a variety of varients of Interphase ATM PCI (i)Chip adapter |
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card family (See www.iphase.com/products/ClassSheet.cfm?ClassID=ATM) |
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in terms of PHY type, the size of control memory and the size of |
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packet memory. The following are the change log and history: |
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Bugfix the Mona's UBR driver. |
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Modify the basic memory allocation and dma logic. |
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Port the driver to the latest kernel from 2.0.46. |
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Complete the ABR logic of the driver, and added the ABR work- |
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around for the hardware anormalies. |
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Add the CBR support. |
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Add the flow control logic to the driver to allow rate-limit VC. |
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Add 4K VC support to the board with 512K control memory. |
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Add the support of all the variants of the Interphase ATM PCI |
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(i)Chip adapter cards including x575 (155M OC3 and UTP155), x525 |
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(25M UTP25) and x531 (DS3 and E3). |
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Add SMP support. |
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Support and updates available at: ftp://ftp.iphase.com/pub/atm |
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*******************************************************************************/ |
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#ifndef IPHASE_H |
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#define IPHASE_H |
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/************************ IADBG DEFINE *********************************/ |
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/* IADebugFlag Bit Map */ |
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#define IF_IADBG_INIT_ADAPTER 0x00000001 // init adapter info |
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#define IF_IADBG_TX 0x00000002 // debug TX |
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#define IF_IADBG_RX 0x00000004 // debug RX |
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#define IF_IADBG_QUERY_INFO 0x00000008 // debug Request call |
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#define IF_IADBG_SHUTDOWN 0x00000010 // debug shutdown event |
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#define IF_IADBG_INTR 0x00000020 // debug interrupt DPC |
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#define IF_IADBG_TXPKT 0x00000040 // debug TX PKT |
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#define IF_IADBG_RXPKT 0x00000080 // debug RX PKT |
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#define IF_IADBG_ERR 0x00000100 // debug system error |
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#define IF_IADBG_EVENT 0x00000200 // debug event |
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#define IF_IADBG_DIS_INTR 0x00001000 // debug disable interrupt |
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#define IF_IADBG_EN_INTR 0x00002000 // debug enable interrupt |
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#define IF_IADBG_LOUD 0x00004000 // debugging info |
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#define IF_IADBG_VERY_LOUD 0x00008000 // excessive debugging info |
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#define IF_IADBG_CBR 0x00100000 // |
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#define IF_IADBG_UBR 0x00200000 // |
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#define IF_IADBG_ABR 0x00400000 // |
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#define IF_IADBG_DESC 0x01000000 // |
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#define IF_IADBG_SUNI_STAT 0x02000000 // suni statistics |
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#define IF_IADBG_RESET 0x04000000 |
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#define IF_IADBG(f) if (IADebugFlag & (f)) |
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#ifdef CONFIG_ATM_IA_DEBUG /* Debug build */ |
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#define IF_LOUD(A) IF_IADBG(IF_IADBG_LOUD) { A } |
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#define IF_ERR(A) IF_IADBG(IF_IADBG_ERR) { A } |
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#define IF_VERY_LOUD(A) IF_IADBG( IF_IADBG_VERY_LOUD ) { A } |
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#define IF_INIT_ADAPTER(A) IF_IADBG( IF_IADBG_INIT_ADAPTER ) { A } |
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#define IF_INIT(A) IF_IADBG( IF_IADBG_INIT_ADAPTER ) { A } |
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#define IF_SUNI_STAT(A) IF_IADBG( IF_IADBG_SUNI_STAT ) { A } |
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#define IF_QUERY_INFO(A) IF_IADBG( IF_IADBG_QUERY_INFO ) { A } |
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#define IF_COPY_OVER(A) IF_IADBG( IF_IADBG_COPY_OVER ) { A } |
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#define IF_INTR(A) IF_IADBG( IF_IADBG_INTR ) { A } |
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#define IF_DIS_INTR(A) IF_IADBG( IF_IADBG_DIS_INTR ) { A } |
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#define IF_EN_INTR(A) IF_IADBG( IF_IADBG_EN_INTR ) { A } |
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#define IF_TX(A) IF_IADBG( IF_IADBG_TX ) { A } |
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#define IF_RX(A) IF_IADBG( IF_IADBG_RX ) { A } |
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#define IF_TXPKT(A) IF_IADBG( IF_IADBG_TXPKT ) { A } |
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#define IF_RXPKT(A) IF_IADBG( IF_IADBG_RXPKT ) { A } |
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#define IF_SHUTDOWN(A) IF_IADBG(IF_IADBG_SHUTDOWN) { A } |
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#define IF_CBR(A) IF_IADBG( IF_IADBG_CBR ) { A } |
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#define IF_UBR(A) IF_IADBG( IF_IADBG_UBR ) { A } |
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#define IF_ABR(A) IF_IADBG( IF_IADBG_ABR ) { A } |
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#define IF_EVENT(A) IF_IADBG( IF_IADBG_EVENT) { A } |
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#else /* free build */ |
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#define IF_LOUD(A) |
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#define IF_VERY_LOUD(A) |
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#define IF_INIT_ADAPTER(A) |
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#define IF_INIT(A) |
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#define IF_SUNI_STAT(A) |
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#define IF_PVC_CHKPKT(A) |
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#define IF_QUERY_INFO(A) |
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#define IF_COPY_OVER(A) |
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#define IF_HANG(A) |
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#define IF_INTR(A) |
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#define IF_DIS_INTR(A) |
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#define IF_EN_INTR(A) |
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#define IF_TX(A) |
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#define IF_RX(A) |
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#define IF_TXDEBUG(A) |
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#define IF_VC(A) |
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#define IF_ERR(A) |
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#define IF_CBR(A) |
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#define IF_UBR(A) |
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#define IF_ABR(A) |
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#define IF_SHUTDOWN(A) |
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#define DbgPrint(A) |
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#define IF_EVENT(A) |
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#define IF_TXPKT(A) |
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#define IF_RXPKT(A) |
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#endif /* CONFIG_ATM_IA_DEBUG */ |
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#define isprint(a) ((a >=' ')&&(a <= '~')) |
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#define ATM_DESC(skb) (skb->protocol) |
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#define IA_SKB_STATE(skb) (skb->protocol) |
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#define IA_DLED 1 |
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#define IA_TX_DONE 2 |
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/* iadbg defines */ |
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#define IA_CMD 0x7749 |
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typedef struct { |
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int cmd; |
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int sub_cmd; |
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int len; |
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u32 maddr; |
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int status; |
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void __user *buf; |
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} IA_CMDBUF, *PIA_CMDBUF; |
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/* cmds */ |
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#define MEMDUMP 0x01 |
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/* sub_cmds */ |
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#define MEMDUMP_SEGREG 0x2 |
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#define MEMDUMP_DEV 0x1 |
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#define MEMDUMP_REASSREG 0x3 |
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#define MEMDUMP_FFL 0x4 |
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#define READ_REG 0x5 |
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#define WAKE_DBG_WAIT 0x6 |
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/************************ IADBG DEFINE END ***************************/ |
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#define Boolean(x) ((x) ? 1 : 0) |
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#define NR_VCI 1024 /* number of VCIs */ |
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#define NR_VCI_LD 10 /* log2(NR_VCI) */ |
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#define NR_VCI_4K 4096 /* number of VCIs */ |
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#define NR_VCI_4K_LD 12 /* log2(NR_VCI) */ |
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#define MEM_VALID 0xfffffff0 /* mask base address with this */ |
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#ifndef PCI_VENDOR_ID_IPHASE |
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#define PCI_VENDOR_ID_IPHASE 0x107e |
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#endif |
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#ifndef PCI_DEVICE_ID_IPHASE_5575 |
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#define PCI_DEVICE_ID_IPHASE_5575 0x0008 |
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#endif |
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#define DEV_LABEL "ia" |
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#define PCR 207692 |
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#define ICR 100000 |
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#define MCR 0 |
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#define TBE 1000 |
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#define FRTT 1 |
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#define RIF 2 |
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#define RDF 4 |
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#define NRMCODE 5 /* 0 - 7 */ |
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#define TRMCODE 3 /* 0 - 7 */ |
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#define CDFCODE 6 |
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#define ATDFCODE 2 /* 0 - 15 */ |
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/*---------------------- Packet/Cell Memory ------------------------*/ |
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#define TX_PACKET_RAM 0x00000 /* start of Trasnmit Packet memory - 0 */ |
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#define DFL_TX_BUF_SZ 10240 /* 10 K buffers */ |
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#define DFL_TX_BUFFERS 50 /* number of packet buffers for Tx |
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- descriptor 0 unused */ |
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#define REASS_RAM_SIZE 0x10000 /* for 64K 1K VC board */ |
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#define RX_PACKET_RAM 0x80000 /* start of Receive Packet memory - 512K */ |
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#define DFL_RX_BUF_SZ 10240 /* 10k buffers */ |
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#define DFL_RX_BUFFERS 50 /* number of packet buffers for Rx |
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- descriptor 0 unused */ |
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struct cpcs_trailer |
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{ |
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u_short control; |
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u_short length; |
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u_int crc32; |
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}; |
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struct cpcs_trailer_desc |
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{ |
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struct cpcs_trailer *cpcs; |
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dma_addr_t dma_addr; |
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}; |
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struct ia_vcc |
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{ |
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int rxing; |
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int txing; |
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int NumCbrEntry; |
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u32 pcr; |
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u32 saved_tx_quota; |
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int flow_inc; |
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struct sk_buff_head txing_skb; |
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int ltimeout; |
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u8 vc_desc_cnt; |
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}; |
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struct abr_vc_table |
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{ |
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u_char status; |
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u_char rdf; |
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u_short air; |
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u_int res[3]; |
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u_int req_rm_cell_data1; |
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u_int req_rm_cell_data2; |
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u_int add_rm_cell_data1; |
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u_int add_rm_cell_data2; |
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}; |
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/* 32 byte entries */ |
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struct main_vc |
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{ |
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u_short type; |
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#define ABR 0x8000 |
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#define UBR 0xc000 |
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#define CBR 0x0000 |
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/* ABR fields */ |
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u_short nrm; |
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u_short trm; |
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u_short rm_timestamp_hi; |
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u_short rm_timestamp_lo:8, |
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crm:8; |
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u_short remainder; /* ABR and UBR fields - last 10 bits*/ |
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u_short next_vc_sched; |
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u_short present_desc; /* all classes */ |
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u_short last_cell_slot; /* ABR and UBR */ |
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u_short pcr; |
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u_short fraction; |
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u_short icr; |
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u_short atdf; |
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u_short mcr; |
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u_short acr; |
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u_short unack:8, |
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status:8; /* all classes */ |
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#define UIOLI 0x80 |
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#define CRC_APPEND 0x40 /* for status field - CRC-32 append */ |
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#define ABR_STATE 0x02 |
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}; |
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/* 8 byte entries */ |
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struct ext_vc |
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{ |
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u_short atm_hdr1; |
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u_short atm_hdr2; |
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u_short last_desc; |
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u_short out_of_rate_link; /* reserved for UBR and CBR */ |
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}; |
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#define DLE_ENTRIES 256 |
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#define DMA_INT_ENABLE 0x0002 /* use for both Tx and Rx */ |
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#define TX_DLE_PSI 0x0001 |
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#define DLE_TOTAL_SIZE (sizeof(struct dle)*DLE_ENTRIES) |
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/* Descriptor List Entries (DLE) */ |
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struct dle |
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{ |
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u32 sys_pkt_addr; |
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u32 local_pkt_addr; |
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u32 bytes; |
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u16 prq_wr_ptr_data; |
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u16 mode; |
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}; |
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struct dle_q |
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{ |
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struct dle *start; |
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struct dle *end; |
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struct dle *read; |
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struct dle *write; |
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}; |
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struct free_desc_q |
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{ |
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int desc; /* Descriptor number */ |
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struct free_desc_q *next; |
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}; |
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struct tx_buf_desc { |
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unsigned short desc_mode; |
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unsigned short vc_index; |
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unsigned short res1; /* reserved field */ |
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unsigned short bytes; |
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unsigned short buf_start_hi; |
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unsigned short buf_start_lo; |
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unsigned short res2[10]; /* reserved field */ |
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}; |
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struct rx_buf_desc { |
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unsigned short desc_mode; |
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unsigned short vc_index; |
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unsigned short vpi; |
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unsigned short bytes; |
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unsigned short buf_start_hi; |
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unsigned short buf_start_lo; |
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unsigned short dma_start_hi; |
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unsigned short dma_start_lo; |
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unsigned short crc_upper; |
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unsigned short crc_lower; |
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unsigned short res:8, timeout:8; |
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unsigned short res2[5]; /* reserved field */ |
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}; |
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/*--------SAR stuff ---------------------*/ |
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#define EPROM_SIZE 0x40000 /* says 64K in the docs ??? */ |
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#define MAC1_LEN 4 |
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#define MAC2_LEN 2 |
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/*------------ PCI Memory Space Map, 128K SAR memory ----------------*/ |
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#define IPHASE5575_PCI_CONFIG_REG_BASE 0x0000 |
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#define IPHASE5575_BUS_CONTROL_REG_BASE 0x1000 /* offsets 0x00 - 0x3c */ |
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#define IPHASE5575_FRAG_CONTROL_REG_BASE 0x2000 |
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#define IPHASE5575_REASS_CONTROL_REG_BASE 0x3000 |
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#define IPHASE5575_DMA_CONTROL_REG_BASE 0x4000 |
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#define IPHASE5575_FRONT_END_REG_BASE IPHASE5575_DMA_CONTROL_REG_BASE |
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#define IPHASE5575_FRAG_CONTROL_RAM_BASE 0x10000 |
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#define IPHASE5575_REASS_CONTROL_RAM_BASE 0x20000 |
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/*------------ Bus interface control registers -----------------*/ |
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#define IPHASE5575_BUS_CONTROL_REG 0x00 |
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#define IPHASE5575_BUS_STATUS_REG 0x01 /* actual offset 0x04 */ |
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#define IPHASE5575_MAC1 0x02 |
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#define IPHASE5575_REV 0x03 |
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#define IPHASE5575_MAC2 0x03 /*actual offset 0x0e-reg 0x0c*/ |
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#define IPHASE5575_EXT_RESET 0x04 |
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#define IPHASE5575_INT_RESET 0x05 /* addr 1c ?? reg 0x06 */ |
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#define IPHASE5575_PCI_ADDR_PAGE 0x07 /* reg 0x08, 0x09 ?? */ |
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#define IPHASE5575_EEPROM_ACCESS 0x0a /* actual offset 0x28 */ |
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#define IPHASE5575_CELL_FIFO_QUEUE_SZ 0x0b |
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#define IPHASE5575_CELL_FIFO_MARK_STATE 0x0c |
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#define IPHASE5575_CELL_FIFO_READ_PTR 0x0d |
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#define IPHASE5575_CELL_FIFO_WRITE_PTR 0x0e |
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#define IPHASE5575_CELL_FIFO_CELLS_AVL 0x0f /* actual offset 0x3c */ |
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/* Bus Interface Control Register bits */ |
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#define CTRL_FE_RST 0x80000000 |
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#define CTRL_LED 0x40000000 |
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#define CTRL_25MBPHY 0x10000000 |
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#define CTRL_ENCMBMEM 0x08000000 |
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#define CTRL_ENOFFSEG 0x01000000 |
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#define CTRL_ERRMASK 0x00400000 |
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#define CTRL_DLETMASK 0x00100000 |
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#define CTRL_DLERMASK 0x00080000 |
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#define CTRL_FEMASK 0x00040000 |
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#define CTRL_SEGMASK 0x00020000 |
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#define CTRL_REASSMASK 0x00010000 |
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#define CTRL_CSPREEMPT 0x00002000 |
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#define CTRL_B128 0x00000200 |
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#define CTRL_B64 0x00000100 |
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#define CTRL_B48 0x00000080 |
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#define CTRL_B32 0x00000040 |
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#define CTRL_B16 0x00000020 |
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#define CTRL_B8 0x00000010 |
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/* Bus Interface Status Register bits */ |
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#define STAT_CMEMSIZ 0xc0000000 |
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#define STAT_ADPARCK 0x20000000 |
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#define STAT_RESVD 0x1fffff80 |
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#define STAT_ERRINT 0x00000040 |
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#define STAT_MARKINT 0x00000020 |
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#define STAT_DLETINT 0x00000010 |
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#define STAT_DLERINT 0x00000008 |
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#define STAT_FEINT 0x00000004 |
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#define STAT_SEGINT 0x00000002 |
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#define STAT_REASSINT 0x00000001 |
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/*--------------- Segmentation control registers -----------------*/ |
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/* The segmentation registers are 16 bits access and the addresses |
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are defined as such so the addresses are the actual "offsets" */ |
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#define IDLEHEADHI 0x00 |
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#define IDLEHEADLO 0x01 |
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#define MAXRATE 0x02 |
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/* Values for MAXRATE register for 155Mbps and 25.6 Mbps operation */ |
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#define RATE155 0x64b1 // 16 bits float format |
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#define MAX_ATM_155 352768 // Cells/second p.118 |
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#define RATE25 0x5f9d |
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#define STPARMS 0x03 |
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#define STPARMS_1K 0x008c |
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#define STPARMS_2K 0x0049 |
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#define STPARMS_4K 0x0026 |
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#define COMP_EN 0x4000 |
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#define CBR_EN 0x2000 |
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#define ABR_EN 0x0800 |
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#define UBR_EN 0x0400 |
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#define ABRUBR_ARB 0x04 |
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#define RM_TYPE 0x05 |
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/*Value for RM_TYPE register for ATM Forum Traffic Mangement4.0 support*/ |
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#define RM_TYPE_4_0 0x0100 |
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#define SEG_COMMAND_REG 0x17 |
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/* Values for the command register */ |
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#define RESET_SEG 0x0055 |
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#define RESET_SEG_STATE 0x00aa |
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#define RESET_TX_CELL_CTR 0x00cc |
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#define CBR_PTR_BASE 0x20 |
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#define ABR_SBPTR_BASE 0x22 |
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#define UBR_SBPTR_BASE 0x23 |
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#define ABRWQ_BASE 0x26 |
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#define UBRWQ_BASE 0x27 |
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#define VCT_BASE 0x28 |
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#define VCTE_BASE 0x29 |
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#define CBR_TAB_BEG 0x2c |
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#define CBR_TAB_END 0x2d |
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#define PRQ_ST_ADR 0x30 |
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#define PRQ_ED_ADR 0x31 |
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#define PRQ_RD_PTR 0x32 |
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#define PRQ_WR_PTR 0x33 |
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#define TCQ_ST_ADR 0x34 |
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#define TCQ_ED_ADR 0x35 |
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#define TCQ_RD_PTR 0x36 |
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#define TCQ_WR_PTR 0x37 |
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#define SEG_QUEUE_BASE 0x40 |
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#define SEG_DESC_BASE 0x41 |
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#define MODE_REG_0 0x45 |
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#define T_ONLINE 0x0002 /* (i)chipSAR is online */ |
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#define MODE_REG_1 0x46 |
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#define MODE_REG_1_VAL 0x0400 /*for propoer device operation*/ |
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#define SEG_INTR_STATUS_REG 0x47 |
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#define SEG_MASK_REG 0x48 |
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#define TRANSMIT_DONE 0x0200 |
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#define TCQ_NOT_EMPTY 0x1000 /* this can be used for both the interrupt |
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status registers as well as the mask register */ |
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#define CELL_CTR_HIGH_AUTO 0x49 |
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#define CELL_CTR_HIGH_NOAUTO 0xc9 |
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#define CELL_CTR_LO_AUTO 0x4a |
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#define CELL_CTR_LO_NOAUTO 0xca |
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/* Diagnostic registers */ |
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#define NEXTDESC 0x59 |
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#define NEXTVC 0x5a |
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#define PSLOTCNT 0x5d |
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#define NEWDN 0x6a |
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#define NEWVC 0x6b |
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#define SBPTR 0x6c |
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#define ABRWQ_WRPTR 0x6f |
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#define ABRWQ_RDPTR 0x70 |
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#define UBRWQ_WRPTR 0x71 |
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#define UBRWQ_RDPTR 0x72 |
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#define CBR_VC 0x73 |
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#define ABR_SBVC 0x75 |
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#define UBR_SBVC 0x76 |
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#define ABRNEXTLINK 0x78 |
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#define UBRNEXTLINK 0x79 |
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/*----------------- Reassembly control registers ---------------------*/ |
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/* The reassembly registers are 16 bits access and the addresses |
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are defined as such so the addresses are the actual "offsets" */ |
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#define MODE_REG 0x00 |
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#define R_ONLINE 0x0002 /* (i)chip is online */ |
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#define IGN_RAW_FL 0x0004 |
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#define PROTOCOL_ID 0x01 |
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#define REASS_MASK_REG 0x02 |
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#define REASS_INTR_STATUS_REG 0x03 |
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/* Interrupt Status register bits */ |
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#define RX_PKT_CTR_OF 0x8000 |
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#define RX_ERR_CTR_OF 0x4000 |
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#define RX_CELL_CTR_OF 0x1000 |
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#define RX_FREEQ_EMPT 0x0200 |
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#define RX_EXCPQ_FL 0x0080 |
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#define RX_RAWQ_FL 0x0010 |
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#define RX_EXCP_RCVD 0x0008 |
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#define RX_PKT_RCVD 0x0004 |
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#define RX_RAW_RCVD 0x0001 |
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#define DRP_PKT_CNTR 0x04 |
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#define ERR_CNTR 0x05 |
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#define RAW_BASE_ADR 0x08 |
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#define CELL_CTR0 0x0c |
|
#define CELL_CTR1 0x0d |
|
#define REASS_COMMAND_REG 0x0f |
|
/* Values for command register */ |
|
#define RESET_REASS 0x0055 |
|
#define RESET_REASS_STATE 0x00aa |
|
#define RESET_DRP_PKT_CNTR 0x00f1 |
|
#define RESET_ERR_CNTR 0x00f2 |
|
#define RESET_CELL_CNTR 0x00f8 |
|
#define RESET_REASS_ALL_REGS 0x00ff |
|
|
|
#define REASS_DESC_BASE 0x10 |
|
#define VC_LKUP_BASE 0x11 |
|
#define REASS_TABLE_BASE 0x12 |
|
#define REASS_QUEUE_BASE 0x13 |
|
#define PKT_TM_CNT 0x16 |
|
#define TMOUT_RANGE 0x17 |
|
#define INTRVL_CNTR 0x18 |
|
#define TMOUT_INDX 0x19 |
|
#define VP_LKUP_BASE 0x1c |
|
#define VP_FILTER 0x1d |
|
#define ABR_LKUP_BASE 0x1e |
|
#define FREEQ_ST_ADR 0x24 |
|
#define FREEQ_ED_ADR 0x25 |
|
#define FREEQ_RD_PTR 0x26 |
|
#define FREEQ_WR_PTR 0x27 |
|
#define PCQ_ST_ADR 0x28 |
|
#define PCQ_ED_ADR 0x29 |
|
#define PCQ_RD_PTR 0x2a |
|
#define PCQ_WR_PTR 0x2b |
|
#define EXCP_Q_ST_ADR 0x2c |
|
#define EXCP_Q_ED_ADR 0x2d |
|
#define EXCP_Q_RD_PTR 0x2e |
|
#define EXCP_Q_WR_PTR 0x2f |
|
#define CC_FIFO_ST_ADR 0x34 |
|
#define CC_FIFO_ED_ADR 0x35 |
|
#define CC_FIFO_RD_PTR 0x36 |
|
#define CC_FIFO_WR_PTR 0x37 |
|
#define STATE_REG 0x38 |
|
#define BUF_SIZE 0x42 |
|
#define XTRA_RM_OFFSET 0x44 |
|
#define DRP_PKT_CNTR_NC 0x84 |
|
#define ERR_CNTR_NC 0x85 |
|
#define CELL_CNTR0_NC 0x8c |
|
#define CELL_CNTR1_NC 0x8d |
|
|
|
/* State Register bits */ |
|
#define EXCPQ_EMPTY 0x0040 |
|
#define PCQ_EMPTY 0x0010 |
|
#define FREEQ_EMPTY 0x0004 |
|
|
|
|
|
/*----------------- Front End registers/ DMA control --------------*/ |
|
/* There is a lot of documentation error regarding these offsets ??? |
|
eg:- 2 offsets given 800, a00 for rx counter |
|
similarly many others |
|
Remember again that the offsets are to be 4*register number, so |
|
correct the #defines here |
|
*/ |
|
#define IPHASE5575_TX_COUNTER 0x200 /* offset - 0x800 */ |
|
#define IPHASE5575_RX_COUNTER 0x280 /* offset - 0xa00 */ |
|
#define IPHASE5575_TX_LIST_ADDR 0x300 /* offset - 0xc00 */ |
|
#define IPHASE5575_RX_LIST_ADDR 0x380 /* offset - 0xe00 */ |
|
|
|
/*--------------------------- RAM ---------------------------*/ |
|
/* These memory maps are actually offsets from the segmentation and reassembly RAM base addresses */ |
|
|
|
/* Segmentation Control Memory map */ |
|
#define TX_DESC_BASE 0x0000 /* Buffer Decriptor Table */ |
|
#define TX_COMP_Q 0x1000 /* Transmit Complete Queue */ |
|
#define PKT_RDY_Q 0x1400 /* Packet Ready Queue */ |
|
#define CBR_SCHED_TABLE 0x1800 /* CBR Table */ |
|
#define UBR_SCHED_TABLE 0x3000 /* UBR Table */ |
|
#define UBR_WAIT_Q 0x4000 /* UBR Wait Queue */ |
|
#define ABR_SCHED_TABLE 0x5000 /* ABR Table */ |
|
#define ABR_WAIT_Q 0x5800 /* ABR Wait Queue */ |
|
#define EXT_VC_TABLE 0x6000 /* Extended VC Table */ |
|
#define MAIN_VC_TABLE 0x8000 /* Main VC Table */ |
|
#define SCHEDSZ 1024 /* ABR and UBR Scheduling Table size */ |
|
#define TX_DESC_TABLE_SZ 128 /* Number of entries in the Transmit |
|
Buffer Descriptor Table */ |
|
|
|
/* These are used as table offsets in Descriptor Table address generation */ |
|
#define DESC_MODE 0x0 |
|
#define VC_INDEX 0x1 |
|
#define BYTE_CNT 0x3 |
|
#define PKT_START_HI 0x4 |
|
#define PKT_START_LO 0x5 |
|
|
|
/* Descriptor Mode Word Bits */ |
|
#define EOM_EN 0x0800 |
|
#define AAL5 0x0100 |
|
#define APP_CRC32 0x0400 |
|
#define CMPL_INT 0x1000 |
|
|
|
#define TABLE_ADDRESS(db, dn, to) \ |
|
(((unsigned long)(db & 0x04)) << 16) | (dn << 5) | (to << 1) |
|
|
|
/* Reassembly Control Memory Map */ |
|
#define RX_DESC_BASE 0x0000 /* Buffer Descriptor Table */ |
|
#define VP_TABLE 0x5c00 /* VP Table */ |
|
#define EXCEPTION_Q 0x5e00 /* Exception Queue */ |
|
#define FREE_BUF_DESC_Q 0x6000 /* Free Buffer Descriptor Queue */ |
|
#define PKT_COMP_Q 0x6800 /* Packet Complete Queue */ |
|
#define REASS_TABLE 0x7000 /* Reassembly Table */ |
|
#define RX_VC_TABLE 0x7800 /* VC Table */ |
|
#define ABR_VC_TABLE 0x8000 /* ABR VC Table */ |
|
#define RX_DESC_TABLE_SZ 736 /* Number of entries in the Receive |
|
Buffer Descriptor Table */ |
|
#define VP_TABLE_SZ 256 /* Number of entries in VPTable */ |
|
#define RX_VC_TABLE_SZ 1024 /* Number of entries in VC Table */ |
|
#define REASS_TABLE_SZ 1024 /* Number of entries in Reassembly Table */ |
|
/* Buffer Descriptor Table */ |
|
#define RX_ACT 0x8000 |
|
#define RX_VPVC 0x4000 |
|
#define RX_CNG 0x0040 |
|
#define RX_CER 0x0008 |
|
#define RX_PTE 0x0004 |
|
#define RX_OFL 0x0002 |
|
#define NUM_RX_EXCP 32 |
|
|
|
/* Reassembly Table */ |
|
#define NO_AAL5_PKT 0x0000 |
|
#define AAL5_PKT_REASSEMBLED 0x4000 |
|
#define AAL5_PKT_TERMINATED 0x8000 |
|
#define RAW_PKT 0xc000 |
|
#define REASS_ABR 0x2000 |
|
|
|
/*-------------------- Base Registers --------------------*/ |
|
#define REG_BASE IPHASE5575_BUS_CONTROL_REG_BASE |
|
#define RAM_BASE IPHASE5575_FRAG_CONTROL_RAM_BASE |
|
#define PHY_BASE IPHASE5575_FRONT_END_REG_BASE |
|
#define SEG_BASE IPHASE5575_FRAG_CONTROL_REG_BASE |
|
#define REASS_BASE IPHASE5575_REASS_CONTROL_REG_BASE |
|
|
|
typedef volatile u_int ffreg_t; |
|
typedef u_int rreg_t; |
|
|
|
typedef struct _ffredn_t { |
|
ffreg_t idlehead_high; /* Idle cell header (high) */ |
|
ffreg_t idlehead_low; /* Idle cell header (low) */ |
|
ffreg_t maxrate; /* Maximum rate */ |
|
ffreg_t stparms; /* Traffic Management Parameters */ |
|
ffreg_t abrubr_abr; /* ABRUBR Priority Byte 1, TCR Byte 0 */ |
|
ffreg_t rm_type; /* */ |
|
u_int filler5[0x17 - 0x06]; |
|
ffreg_t cmd_reg; /* Command register */ |
|
u_int filler18[0x20 - 0x18]; |
|
ffreg_t cbr_base; /* CBR Pointer Base */ |
|
ffreg_t vbr_base; /* VBR Pointer Base */ |
|
ffreg_t abr_base; /* ABR Pointer Base */ |
|
ffreg_t ubr_base; /* UBR Pointer Base */ |
|
u_int filler24; |
|
ffreg_t vbrwq_base; /* VBR Wait Queue Base */ |
|
ffreg_t abrwq_base; /* ABR Wait Queue Base */ |
|
ffreg_t ubrwq_base; /* UBR Wait Queue Base */ |
|
ffreg_t vct_base; /* Main VC Table Base */ |
|
ffreg_t vcte_base; /* Extended Main VC Table Base */ |
|
u_int filler2a[0x2C - 0x2A]; |
|
ffreg_t cbr_tab_beg; /* CBR Table Begin */ |
|
ffreg_t cbr_tab_end; /* CBR Table End */ |
|
ffreg_t cbr_pointer; /* CBR Pointer */ |
|
u_int filler2f[0x30 - 0x2F]; |
|
ffreg_t prq_st_adr; /* Packet Ready Queue Start Address */ |
|
ffreg_t prq_ed_adr; /* Packet Ready Queue End Address */ |
|
ffreg_t prq_rd_ptr; /* Packet Ready Queue read pointer */ |
|
ffreg_t prq_wr_ptr; /* Packet Ready Queue write pointer */ |
|
ffreg_t tcq_st_adr; /* Transmit Complete Queue Start Address*/ |
|
ffreg_t tcq_ed_adr; /* Transmit Complete Queue End Address */ |
|
ffreg_t tcq_rd_ptr; /* Transmit Complete Queue read pointer */ |
|
ffreg_t tcq_wr_ptr; /* Transmit Complete Queue write pointer*/ |
|
u_int filler38[0x40 - 0x38]; |
|
ffreg_t queue_base; /* Base address for PRQ and TCQ */ |
|
ffreg_t desc_base; /* Base address of descriptor table */ |
|
u_int filler42[0x45 - 0x42]; |
|
ffreg_t mode_reg_0; /* Mode register 0 */ |
|
ffreg_t mode_reg_1; /* Mode register 1 */ |
|
ffreg_t intr_status_reg;/* Interrupt Status register */ |
|
ffreg_t mask_reg; /* Mask Register */ |
|
ffreg_t cell_ctr_high1; /* Total cell transfer count (high) */ |
|
ffreg_t cell_ctr_lo1; /* Total cell transfer count (low) */ |
|
ffreg_t state_reg; /* Status register */ |
|
u_int filler4c[0x58 - 0x4c]; |
|
ffreg_t curr_desc_num; /* Contains the current descriptor num */ |
|
ffreg_t next_desc; /* Next descriptor */ |
|
ffreg_t next_vc; /* Next VC */ |
|
u_int filler5b[0x5d - 0x5b]; |
|
ffreg_t present_slot_cnt;/* Present slot count */ |
|
u_int filler5e[0x6a - 0x5e]; |
|
ffreg_t new_desc_num; /* New descriptor number */ |
|
ffreg_t new_vc; /* New VC */ |
|
ffreg_t sched_tbl_ptr; /* Schedule table pointer */ |
|
ffreg_t vbrwq_wptr; /* VBR wait queue write pointer */ |
|
ffreg_t vbrwq_rptr; /* VBR wait queue read pointer */ |
|
ffreg_t abrwq_wptr; /* ABR wait queue write pointer */ |
|
ffreg_t abrwq_rptr; /* ABR wait queue read pointer */ |
|
ffreg_t ubrwq_wptr; /* UBR wait queue write pointer */ |
|
ffreg_t ubrwq_rptr; /* UBR wait queue read pointer */ |
|
ffreg_t cbr_vc; /* CBR VC */ |
|
ffreg_t vbr_sb_vc; /* VBR SB VC */ |
|
ffreg_t abr_sb_vc; /* ABR SB VC */ |
|
ffreg_t ubr_sb_vc; /* UBR SB VC */ |
|
ffreg_t vbr_next_link; /* VBR next link */ |
|
ffreg_t abr_next_link; /* ABR next link */ |
|
ffreg_t ubr_next_link; /* UBR next link */ |
|
u_int filler7a[0x7c-0x7a]; |
|
ffreg_t out_rate_head; /* Out of rate head */ |
|
u_int filler7d[0xca-0x7d]; /* pad out to full address space */ |
|
ffreg_t cell_ctr_high1_nc;/* Total cell transfer count (high) */ |
|
ffreg_t cell_ctr_lo1_nc;/* Total cell transfer count (low) */ |
|
u_int fillercc[0x100-0xcc]; /* pad out to full address space */ |
|
} ffredn_t; |
|
|
|
typedef struct _rfredn_t { |
|
rreg_t mode_reg_0; /* Mode register 0 */ |
|
rreg_t protocol_id; /* Protocol ID */ |
|
rreg_t mask_reg; /* Mask Register */ |
|
rreg_t intr_status_reg;/* Interrupt status register */ |
|
rreg_t drp_pkt_cntr; /* Dropped packet cntr (clear on read) */ |
|
rreg_t err_cntr; /* Error Counter (cleared on read) */ |
|
u_int filler6[0x08 - 0x06]; |
|
rreg_t raw_base_adr; /* Base addr for raw cell Q */ |
|
u_int filler2[0x0c - 0x09]; |
|
rreg_t cell_ctr0; /* Cell Counter 0 (cleared when read) */ |
|
rreg_t cell_ctr1; /* Cell Counter 1 (cleared when read) */ |
|
u_int filler3[0x0f - 0x0e]; |
|
rreg_t cmd_reg; /* Command register */ |
|
rreg_t desc_base; /* Base address for description table */ |
|
rreg_t vc_lkup_base; /* Base address for VC lookup table */ |
|
rreg_t reass_base; /* Base address for reassembler table */ |
|
rreg_t queue_base; /* Base address for Communication queue */ |
|
u_int filler14[0x16 - 0x14]; |
|
rreg_t pkt_tm_cnt; /* Packet Timeout and count register */ |
|
rreg_t tmout_range; /* Range of reassembley IDs for timeout */ |
|
rreg_t intrvl_cntr; /* Packet aging interval counter */ |
|
rreg_t tmout_indx; /* index of pkt being tested for aging */ |
|
u_int filler1a[0x1c - 0x1a]; |
|
rreg_t vp_lkup_base; /* Base address for VP lookup table */ |
|
rreg_t vp_filter; /* VP filter register */ |
|
rreg_t abr_lkup_base; /* Base address of ABR VC Table */ |
|
u_int filler1f[0x24 - 0x1f]; |
|
rreg_t fdq_st_adr; /* Free desc queue start address */ |
|
rreg_t fdq_ed_adr; /* Free desc queue end address */ |
|
rreg_t fdq_rd_ptr; /* Free desc queue read pointer */ |
|
rreg_t fdq_wr_ptr; /* Free desc queue write pointer */ |
|
rreg_t pcq_st_adr; /* Packet Complete queue start address */ |
|
rreg_t pcq_ed_adr; /* Packet Complete queue end address */ |
|
rreg_t pcq_rd_ptr; /* Packet Complete queue read pointer */ |
|
rreg_t pcq_wr_ptr; /* Packet Complete queue write pointer */ |
|
rreg_t excp_st_adr; /* Exception queue start address */ |
|
rreg_t excp_ed_adr; /* Exception queue end address */ |
|
rreg_t excp_rd_ptr; /* Exception queue read pointer */ |
|
rreg_t excp_wr_ptr; /* Exception queue write pointer */ |
|
u_int filler30[0x34 - 0x30]; |
|
rreg_t raw_st_adr; /* Raw Cell start address */ |
|
rreg_t raw_ed_adr; /* Raw Cell end address */ |
|
rreg_t raw_rd_ptr; /* Raw Cell read pointer */ |
|
rreg_t raw_wr_ptr; /* Raw Cell write pointer */ |
|
rreg_t state_reg; /* State Register */ |
|
u_int filler39[0x42 - 0x39]; |
|
rreg_t buf_size; /* Buffer size */ |
|
u_int filler43; |
|
rreg_t xtra_rm_offset; /* Offset of the additional turnaround RM */ |
|
u_int filler45[0x84 - 0x45]; |
|
rreg_t drp_pkt_cntr_nc;/* Dropped Packet cntr, Not clear on rd */ |
|
rreg_t err_cntr_nc; /* Error Counter, Not clear on read */ |
|
u_int filler86[0x8c - 0x86]; |
|
rreg_t cell_ctr0_nc; /* Cell Counter 0, Not clear on read */ |
|
rreg_t cell_ctr1_nc; /* Cell Counter 1, Not clear on read */ |
|
u_int filler8e[0x100-0x8e]; /* pad out to full address space */ |
|
} rfredn_t; |
|
|
|
typedef struct { |
|
/* Atlantic */ |
|
ffredn_t ffredn; /* F FRED */ |
|
rfredn_t rfredn; /* R FRED */ |
|
} ia_regs_t; |
|
|
|
typedef struct { |
|
u_short f_vc_type; /* VC type */ |
|
u_short f_nrm; /* Nrm */ |
|
u_short f_nrmexp; /* Nrm Exp */ |
|
u_short reserved6; /* */ |
|
u_short f_crm; /* Crm */ |
|
u_short reserved10; /* Reserved */ |
|
u_short reserved12; /* Reserved */ |
|
u_short reserved14; /* Reserved */ |
|
u_short last_cell_slot; /* last_cell_slot_count */ |
|
u_short f_pcr; /* Peak Cell Rate */ |
|
u_short fraction; /* fraction */ |
|
u_short f_icr; /* Initial Cell Rate */ |
|
u_short f_cdf; /* */ |
|
u_short f_mcr; /* Minimum Cell Rate */ |
|
u_short f_acr; /* Allowed Cell Rate */ |
|
u_short f_status; /* */ |
|
} f_vc_abr_entry; |
|
|
|
typedef struct { |
|
u_short r_status_rdf; /* status + RDF */ |
|
u_short r_air; /* AIR */ |
|
u_short reserved4[14]; /* Reserved */ |
|
} r_vc_abr_entry; |
|
|
|
#define MRM 3 |
|
|
|
typedef struct srv_cls_param { |
|
u32 class_type; /* CBR/VBR/ABR/UBR; use the enum above */ |
|
u32 pcr; /* Peak Cell Rate (24-bit) */ |
|
/* VBR parameters */ |
|
u32 scr; /* sustainable cell rate */ |
|
u32 max_burst_size; /* ?? cell rate or data rate */ |
|
|
|
/* ABR only UNI 4.0 Parameters */ |
|
u32 mcr; /* Min Cell Rate (24-bit) */ |
|
u32 icr; /* Initial Cell Rate (24-bit) */ |
|
u32 tbe; /* Transient Buffer Exposure (24-bit) */ |
|
u32 frtt; /* Fixed Round Trip Time (24-bit) */ |
|
|
|
#if 0 /* Additional Parameters of TM 4.0 */ |
|
bits 31 30 29 28 27-25 24-22 21-19 18-9 |
|
----------------------------------------------------------------------------- |
|
| NRM present | TRM prsnt | CDF prsnt | ADTF prsnt | NRM | TRM | CDF | ADTF | |
|
----------------------------------------------------------------------------- |
|
#endif /* 0 */ |
|
|
|
u8 nrm; /* Max # of Cells for each forward RM |
|
cell (3-bit) */ |
|
u8 trm; /* Time between forward RM cells (3-bit) */ |
|
u16 adtf; /* ACR Decrease Time Factor (10-bit) */ |
|
u8 cdf; /* Cutoff Decrease Factor (3-bit) */ |
|
u8 rif; /* Rate Increment Factor (4-bit) */ |
|
u8 rdf; /* Rate Decrease Factor (4-bit) */ |
|
u8 reserved; /* 8 bits to keep structure word aligned */ |
|
} srv_cls_param_t; |
|
|
|
struct testTable_t { |
|
u16 lastTime; |
|
u16 fract; |
|
u8 vc_status; |
|
}; |
|
|
|
typedef struct { |
|
u16 vci; |
|
u16 error; |
|
} RX_ERROR_Q; |
|
|
|
typedef struct { |
|
u8 active: 1; |
|
u8 abr: 1; |
|
u8 ubr: 1; |
|
u8 cnt: 5; |
|
#define VC_ACTIVE 0x01 |
|
#define VC_ABR 0x02 |
|
#define VC_UBR 0x04 |
|
} vcstatus_t; |
|
|
|
struct ia_rfL_t { |
|
u32 fdq_st; /* Free desc queue start address */ |
|
u32 fdq_ed; /* Free desc queue end address */ |
|
u32 fdq_rd; /* Free desc queue read pointer */ |
|
u32 fdq_wr; /* Free desc queue write pointer */ |
|
u32 pcq_st; /* Packet Complete queue start address */ |
|
u32 pcq_ed; /* Packet Complete queue end address */ |
|
u32 pcq_rd; /* Packet Complete queue read pointer */ |
|
u32 pcq_wr; /* Packet Complete queue write pointer */ |
|
}; |
|
|
|
struct ia_ffL_t { |
|
u32 prq_st; /* Packet Ready Queue Start Address */ |
|
u32 prq_ed; /* Packet Ready Queue End Address */ |
|
u32 prq_wr; /* Packet Ready Queue write pointer */ |
|
u32 tcq_st; /* Transmit Complete Queue Start Address*/ |
|
u32 tcq_ed; /* Transmit Complete Queue End Address */ |
|
u32 tcq_rd; /* Transmit Complete Queue read pointer */ |
|
}; |
|
|
|
struct desc_tbl_t { |
|
u32 timestamp; |
|
struct ia_vcc *iavcc; |
|
struct sk_buff *txskb; |
|
}; |
|
|
|
typedef struct ia_rtn_q { |
|
struct desc_tbl_t data; |
|
struct ia_rtn_q *next, *tail; |
|
} IARTN_Q; |
|
|
|
#define SUNI_LOSV 0x04 |
|
enum ia_suni { |
|
SUNI_MASTER_RESET = 0x000, /* SUNI Master Reset and Identity */ |
|
SUNI_MASTER_CONFIG = 0x004, /* SUNI Master Configuration */ |
|
SUNI_MASTER_INTR_STAT = 0x008, /* SUNI Master Interrupt Status */ |
|
SUNI_RESERVED1 = 0x00c, /* Reserved */ |
|
SUNI_MASTER_CLK_MONITOR = 0x010, /* SUNI Master Clock Monitor */ |
|
SUNI_MASTER_CONTROL = 0x014, /* SUNI Master Clock Monitor */ |
|
/* Reserved (10) */ |
|
SUNI_RSOP_CONTROL = 0x040, /* RSOP Control/Interrupt Enable */ |
|
SUNI_RSOP_STATUS = 0x044, /* RSOP Status/Interrupt States */ |
|
SUNI_RSOP_SECTION_BIP8L = 0x048, /* RSOP Section BIP-8 LSB */ |
|
SUNI_RSOP_SECTION_BIP8M = 0x04c, /* RSOP Section BIP-8 MSB */ |
|
|
|
SUNI_TSOP_CONTROL = 0x050, /* TSOP Control */ |
|
SUNI_TSOP_DIAG = 0x054, /* TSOP Disgnostics */ |
|
/* Reserved (2) */ |
|
SUNI_RLOP_CS = 0x060, /* RLOP Control/Status */ |
|
SUNI_RLOP_INTR = 0x064, /* RLOP Interrupt Enable/Status */ |
|
SUNI_RLOP_LINE_BIP24L = 0x068, /* RLOP Line BIP-24 LSB */ |
|
SUNI_RLOP_LINE_BIP24 = 0x06c, /* RLOP Line BIP-24 */ |
|
SUNI_RLOP_LINE_BIP24M = 0x070, /* RLOP Line BIP-24 MSB */ |
|
SUNI_RLOP_LINE_FEBEL = 0x074, /* RLOP Line FEBE LSB */ |
|
SUNI_RLOP_LINE_FEBE = 0x078, /* RLOP Line FEBE */ |
|
SUNI_RLOP_LINE_FEBEM = 0x07c, /* RLOP Line FEBE MSB */ |
|
|
|
SUNI_TLOP_CONTROL = 0x080, /* TLOP Control */ |
|
SUNI_TLOP_DISG = 0x084, /* TLOP Disgnostics */ |
|
/* Reserved (14) */ |
|
SUNI_RPOP_CS = 0x0c0, /* RPOP Status/Control */ |
|
SUNI_RPOP_INTR = 0x0c4, /* RPOP Interrupt/Status */ |
|
SUNI_RPOP_RESERVED = 0x0c8, /* RPOP Reserved */ |
|
SUNI_RPOP_INTR_ENA = 0x0cc, /* RPOP Interrupt Enable */ |
|
/* Reserved (3) */ |
|
SUNI_RPOP_PATH_SIG = 0x0dc, /* RPOP Path Signal Label */ |
|
SUNI_RPOP_BIP8L = 0x0e0, /* RPOP Path BIP-8 LSB */ |
|
SUNI_RPOP_BIP8M = 0x0e4, /* RPOP Path BIP-8 MSB */ |
|
SUNI_RPOP_FEBEL = 0x0e8, /* RPOP Path FEBE LSB */ |
|
SUNI_RPOP_FEBEM = 0x0ec, /* RPOP Path FEBE MSB */ |
|
/* Reserved (4) */ |
|
SUNI_TPOP_CNTRL_DAIG = 0x100, /* TPOP Control/Disgnostics */ |
|
SUNI_TPOP_POINTER_CTRL = 0x104, /* TPOP Pointer Control */ |
|
SUNI_TPOP_SOURCER_CTRL = 0x108, /* TPOP Source Control */ |
|
/* Reserved (2) */ |
|
SUNI_TPOP_ARB_PRTL = 0x114, /* TPOP Arbitrary Pointer LSB */ |
|
SUNI_TPOP_ARB_PRTM = 0x118, /* TPOP Arbitrary Pointer MSB */ |
|
SUNI_TPOP_RESERVED2 = 0x11c, /* TPOP Reserved */ |
|
SUNI_TPOP_PATH_SIG = 0x120, /* TPOP Path Signal Lable */ |
|
SUNI_TPOP_PATH_STATUS = 0x124, /* TPOP Path Status */ |
|
/* Reserved (6) */ |
|
SUNI_RACP_CS = 0x140, /* RACP Control/Status */ |
|
SUNI_RACP_INTR = 0x144, /* RACP Interrupt Enable/Status */ |
|
SUNI_RACP_HDR_PATTERN = 0x148, /* RACP Match Header Pattern */ |
|
SUNI_RACP_HDR_MASK = 0x14c, /* RACP Match Header Mask */ |
|
SUNI_RACP_CORR_HCS = 0x150, /* RACP Correctable HCS Error Count */ |
|
SUNI_RACP_UNCORR_HCS = 0x154, /* RACP Uncorrectable HCS Err Count */ |
|
/* Reserved (10) */ |
|
SUNI_TACP_CONTROL = 0x180, /* TACP Control */ |
|
SUNI_TACP_IDLE_HDR_PAT = 0x184, /* TACP Idle Cell Header Pattern */ |
|
SUNI_TACP_IDLE_PAY_PAY = 0x188, /* TACP Idle Cell Payld Octet Patrn */ |
|
/* Reserved (5) */ |
|
/* Reserved (24) */ |
|
/* FIXME: unused but name conflicts. |
|
* SUNI_MASTER_TEST = 0x200, SUNI Master Test */ |
|
SUNI_RESERVED_TEST = 0x204 /* SUNI Reserved for Test */ |
|
}; |
|
|
|
typedef struct _SUNI_STATS_ |
|
{ |
|
u32 valid; // 1 = oc3 PHY card |
|
u32 carrier_detect; // GPIN input |
|
// RSOP: receive section overhead processor |
|
u16 rsop_oof_state; // 1 = out of frame |
|
u16 rsop_lof_state; // 1 = loss of frame |
|
u16 rsop_los_state; // 1 = loss of signal |
|
u32 rsop_los_count; // loss of signal count |
|
u32 rsop_bse_count; // section BIP-8 error count |
|
// RLOP: receive line overhead processor |
|
u16 rlop_ferf_state; // 1 = far end receive failure |
|
u16 rlop_lais_state; // 1 = line AIS |
|
u32 rlop_lbe_count; // BIP-24 count |
|
u32 rlop_febe_count; // FEBE count; |
|
// RPOP: receive path overhead processor |
|
u16 rpop_lop_state; // 1 = LOP |
|
u16 rpop_pais_state; // 1 = path AIS |
|
u16 rpop_pyel_state; // 1 = path yellow alert |
|
u32 rpop_bip_count; // path BIP-8 error count |
|
u32 rpop_febe_count; // path FEBE error count |
|
u16 rpop_psig; // path signal label value |
|
// RACP: receive ATM cell processor |
|
u16 racp_hp_state; // hunt/presync state |
|
u32 racp_fu_count; // FIFO underrun count |
|
u32 racp_fo_count; // FIFO overrun count |
|
u32 racp_chcs_count; // correctable HCS error count |
|
u32 racp_uchcs_count; // uncorrectable HCS error count |
|
} IA_SUNI_STATS; |
|
|
|
typedef struct iadev_priv { |
|
/*-----base pointers into (i)chipSAR+ address space */ |
|
u32 __iomem *phy; /* Base pointer into phy (SUNI). */ |
|
u32 __iomem *dma; /* Base pointer into DMA control registers. */ |
|
u32 __iomem *reg; /* Base pointer to SAR registers. */ |
|
u32 __iomem *seg_reg; /* base pointer to segmentation engine |
|
internal registers */ |
|
u32 __iomem *reass_reg; /* base pointer to reassemble engine |
|
internal registers */ |
|
u32 __iomem *ram; /* base pointer to SAR RAM */ |
|
void __iomem *seg_ram; |
|
void __iomem *reass_ram; |
|
struct dle_q tx_dle_q; |
|
struct free_desc_q *tx_free_desc_qhead; |
|
struct sk_buff_head tx_dma_q, tx_backlog; |
|
spinlock_t tx_lock; |
|
IARTN_Q tx_return_q; |
|
u32 close_pending; |
|
wait_queue_head_t close_wait; |
|
wait_queue_head_t timeout_wait; |
|
struct cpcs_trailer_desc *tx_buf; |
|
u16 num_tx_desc, tx_buf_sz, rate_limit; |
|
u32 tx_cell_cnt, tx_pkt_cnt; |
|
void __iomem *MAIN_VC_TABLE_ADDR, *EXT_VC_TABLE_ADDR, *ABR_SCHED_TABLE_ADDR; |
|
struct dle_q rx_dle_q; |
|
struct free_desc_q *rx_free_desc_qhead; |
|
struct sk_buff_head rx_dma_q; |
|
spinlock_t rx_lock; |
|
struct atm_vcc **rx_open; /* list of all open VCs */ |
|
u16 num_rx_desc, rx_buf_sz, rxing; |
|
u32 rx_pkt_ram, rx_tmp_cnt; |
|
unsigned long rx_tmp_jif; |
|
void __iomem *RX_DESC_BASE_ADDR; |
|
u32 drop_rxpkt, drop_rxcell, rx_cell_cnt, rx_pkt_cnt; |
|
struct atm_dev *next_board; /* other iphase devices */ |
|
struct pci_dev *pci; |
|
int mem; |
|
unsigned int real_base; /* real and virtual base address */ |
|
void __iomem *base; |
|
unsigned int pci_map_size; /*pci map size of board */ |
|
unsigned char irq; |
|
unsigned char bus; |
|
unsigned char dev_fn; |
|
u_short phy_type; |
|
u_short num_vc, memSize, memType; |
|
struct ia_ffL_t ffL; |
|
struct ia_rfL_t rfL; |
|
/* Suni stat */ |
|
// IA_SUNI_STATS suni_stats; |
|
unsigned char carrier_detect; |
|
/* CBR related */ |
|
// transmit DMA & Receive |
|
unsigned int tx_dma_cnt; // number of elements on dma queue |
|
unsigned int rx_dma_cnt; // number of elements on rx dma queue |
|
unsigned int NumEnabledCBR; // number of CBR VCI's enabled. CBR |
|
// receive MARK for Cell FIFO |
|
unsigned int rx_mark_cnt; // number of elements on mark queue |
|
unsigned int CbrTotEntries; // Total CBR Entries in Scheduling Table. |
|
unsigned int CbrRemEntries; // Remaining CBR Entries in Scheduling Table. |
|
unsigned int CbrEntryPt; // CBR Sched Table Entry Point. |
|
unsigned int Granularity; // CBR Granularity given Table Size. |
|
/* ABR related */ |
|
unsigned int sum_mcr, sum_cbr, LineRate; |
|
unsigned int n_abr; |
|
struct desc_tbl_t *desc_tbl; |
|
u_short host_tcq_wr; |
|
struct testTable_t **testTable; |
|
dma_addr_t tx_dle_dma; |
|
dma_addr_t rx_dle_dma; |
|
} IADEV; |
|
|
|
|
|
#define INPH_IA_DEV(d) ((IADEV *) (d)->dev_data) |
|
#define INPH_IA_VCC(v) ((struct ia_vcc *) (v)->dev_data) |
|
|
|
/******************* IDT77105 25MB/s PHY DEFINE *****************************/ |
|
enum ia_mb25 { |
|
MB25_MASTER_CTRL = 0x00, /* Master control */ |
|
MB25_INTR_STATUS = 0x04, /* Interrupt status */ |
|
MB25_DIAG_CONTROL = 0x08, /* Diagnostic control */ |
|
MB25_LED_HEC = 0x0c, /* LED driver and HEC status/control */ |
|
MB25_LOW_BYTE_COUNTER = 0x10, |
|
MB25_HIGH_BYTE_COUNTER = 0x14 |
|
}; |
|
|
|
/* |
|
* Master Control |
|
*/ |
|
#define MB25_MC_UPLO 0x80 /* UPLO */ |
|
#define MB25_MC_DREC 0x40 /* Discard receive cell errors */ |
|
#define MB25_MC_ECEIO 0x20 /* Enable Cell Error Interrupts Only */ |
|
#define MB25_MC_TDPC 0x10 /* Transmit data parity check */ |
|
#define MB25_MC_DRIC 0x08 /* Discard receive idle cells */ |
|
#define MB25_MC_HALTTX 0x04 /* Halt Tx */ |
|
#define MB25_MC_UMS 0x02 /* UTOPIA mode select */ |
|
#define MB25_MC_ENABLED 0x01 /* Enable interrupt */ |
|
|
|
/* |
|
* Interrupt Status |
|
*/ |
|
#define MB25_IS_GSB 0x40 /* GOOD Symbol Bit */ |
|
#define MB25_IS_HECECR 0x20 /* HEC error cell received */ |
|
#define MB25_IS_SCR 0x10 /* "Short Cell" Received */ |
|
#define MB25_IS_TPE 0x08 /* Trnamsit Parity Error */ |
|
#define MB25_IS_RSCC 0x04 /* Receive Signal Condition change */ |
|
#define MB25_IS_RCSE 0x02 /* Received Cell Symbol Error */ |
|
#define MB25_IS_RFIFOO 0x01 /* Received FIFO Overrun */ |
|
|
|
/* |
|
* Diagnostic Control |
|
*/ |
|
#define MB25_DC_FTXCD 0x80 /* Force TxClav deassert */ |
|
#define MB25_DC_RXCOS 0x40 /* RxClav operation select */ |
|
#define MB25_DC_ECEIO 0x20 /* Single/Multi-PHY config select */ |
|
#define MB25_DC_RLFLUSH 0x10 /* Clear receive FIFO */ |
|
#define MB25_DC_IXPE 0x08 /* Insert xmit payload error */ |
|
#define MB25_DC_IXHECE 0x04 /* Insert Xmit HEC Error */ |
|
#define MB25_DC_LB_MASK 0x03 /* Loopback control mask */ |
|
|
|
#define MB25_DC_LL 0x03 /* Line Loopback */ |
|
#define MB25_DC_PL 0x02 /* PHY Loopback */ |
|
#define MB25_DC_NM 0x00 |
|
|
|
#define FE_MASK 0x00F0 |
|
#define FE_MULTI_MODE 0x0000 |
|
#define FE_SINGLE_MODE 0x0010 |
|
#define FE_UTP_OPTION 0x0020 |
|
#define FE_25MBIT_PHY 0x0040 |
|
#define FE_DS3_PHY 0x0080 /* DS3 */ |
|
#define FE_E3_PHY 0x0090 /* E3 */ |
|
|
|
/*********************** SUNI_PM7345 PHY DEFINE HERE *********************/ |
|
enum suni_pm7345 { |
|
SUNI_CONFIG = 0x000, /* SUNI Configuration */ |
|
SUNI_INTR_ENBL = 0x004, /* SUNI Interrupt Enable */ |
|
SUNI_INTR_STAT = 0x008, /* SUNI Interrupt Status */ |
|
SUNI_CONTROL = 0x00c, /* SUNI Control */ |
|
SUNI_ID_RESET = 0x010, /* SUNI Reset and Identity */ |
|
SUNI_DATA_LINK_CTRL = 0x014, |
|
SUNI_RBOC_CONF_INTR_ENBL = 0x018, |
|
SUNI_RBOC_STAT = 0x01c, |
|
SUNI_DS3_FRM_CFG = 0x020, |
|
SUNI_DS3_FRM_INTR_ENBL = 0x024, |
|
SUNI_DS3_FRM_INTR_STAT = 0x028, |
|
SUNI_DS3_FRM_STAT = 0x02c, |
|
SUNI_RFDL_CFG = 0x030, |
|
SUNI_RFDL_ENBL_STAT = 0x034, |
|
SUNI_RFDL_STAT = 0x038, |
|
SUNI_RFDL_DATA = 0x03c, |
|
SUNI_PMON_CHNG = 0x040, |
|
SUNI_PMON_INTR_ENBL_STAT = 0x044, |
|
/* SUNI_RESERVED1 (0x13 - 0x11) */ |
|
SUNI_PMON_LCV_EVT_CNT_LSB = 0x050, |
|
SUNI_PMON_LCV_EVT_CNT_MSB = 0x054, |
|
SUNI_PMON_FBE_EVT_CNT_LSB = 0x058, |
|
SUNI_PMON_FBE_EVT_CNT_MSB = 0x05c, |
|
SUNI_PMON_SEZ_DET_CNT_LSB = 0x060, |
|
SUNI_PMON_SEZ_DET_CNT_MSB = 0x064, |
|
SUNI_PMON_PE_EVT_CNT_LSB = 0x068, |
|
SUNI_PMON_PE_EVT_CNT_MSB = 0x06c, |
|
SUNI_PMON_PPE_EVT_CNT_LSB = 0x070, |
|
SUNI_PMON_PPE_EVT_CNT_MSB = 0x074, |
|
SUNI_PMON_FEBE_EVT_CNT_LSB = 0x078, |
|
SUNI_PMON_FEBE_EVT_CNT_MSB = 0x07c, |
|
SUNI_DS3_TRAN_CFG = 0x080, |
|
SUNI_DS3_TRAN_DIAG = 0x084, |
|
/* SUNI_RESERVED2 (0x23 - 0x21) */ |
|
SUNI_XFDL_CFG = 0x090, |
|
SUNI_XFDL_INTR_ST = 0x094, |
|
SUNI_XFDL_XMIT_DATA = 0x098, |
|
SUNI_XBOC_CODE = 0x09c, |
|
SUNI_SPLR_CFG = 0x0a0, |
|
SUNI_SPLR_INTR_EN = 0x0a4, |
|
SUNI_SPLR_INTR_ST = 0x0a8, |
|
SUNI_SPLR_STATUS = 0x0ac, |
|
SUNI_SPLT_CFG = 0x0b0, |
|
SUNI_SPLT_CNTL = 0x0b4, |
|
SUNI_SPLT_DIAG_G1 = 0x0b8, |
|
SUNI_SPLT_F1 = 0x0bc, |
|
SUNI_CPPM_LOC_METERS = 0x0c0, |
|
SUNI_CPPM_CHG_OF_CPPM_PERF_METR = 0x0c4, |
|
SUNI_CPPM_B1_ERR_CNT_LSB = 0x0c8, |
|
SUNI_CPPM_B1_ERR_CNT_MSB = 0x0cc, |
|
SUNI_CPPM_FRAMING_ERR_CNT_LSB = 0x0d0, |
|
SUNI_CPPM_FRAMING_ERR_CNT_MSB = 0x0d4, |
|
SUNI_CPPM_FEBE_CNT_LSB = 0x0d8, |
|
SUNI_CPPM_FEBE_CNT_MSB = 0x0dc, |
|
SUNI_CPPM_HCS_ERR_CNT_LSB = 0x0e0, |
|
SUNI_CPPM_HCS_ERR_CNT_MSB = 0x0e4, |
|
SUNI_CPPM_IDLE_UN_CELL_CNT_LSB = 0x0e8, |
|
SUNI_CPPM_IDLE_UN_CELL_CNT_MSB = 0x0ec, |
|
SUNI_CPPM_RCV_CELL_CNT_LSB = 0x0f0, |
|
SUNI_CPPM_RCV_CELL_CNT_MSB = 0x0f4, |
|
SUNI_CPPM_XMIT_CELL_CNT_LSB = 0x0f8, |
|
SUNI_CPPM_XMIT_CELL_CNT_MSB = 0x0fc, |
|
SUNI_RXCP_CTRL = 0x100, |
|
SUNI_RXCP_FCTRL = 0x104, |
|
SUNI_RXCP_INTR_EN_STS = 0x108, |
|
SUNI_RXCP_IDLE_PAT_H1 = 0x10c, |
|
SUNI_RXCP_IDLE_PAT_H2 = 0x110, |
|
SUNI_RXCP_IDLE_PAT_H3 = 0x114, |
|
SUNI_RXCP_IDLE_PAT_H4 = 0x118, |
|
SUNI_RXCP_IDLE_MASK_H1 = 0x11c, |
|
SUNI_RXCP_IDLE_MASK_H2 = 0x120, |
|
SUNI_RXCP_IDLE_MASK_H3 = 0x124, |
|
SUNI_RXCP_IDLE_MASK_H4 = 0x128, |
|
SUNI_RXCP_CELL_PAT_H1 = 0x12c, |
|
SUNI_RXCP_CELL_PAT_H2 = 0x130, |
|
SUNI_RXCP_CELL_PAT_H3 = 0x134, |
|
SUNI_RXCP_CELL_PAT_H4 = 0x138, |
|
SUNI_RXCP_CELL_MASK_H1 = 0x13c, |
|
SUNI_RXCP_CELL_MASK_H2 = 0x140, |
|
SUNI_RXCP_CELL_MASK_H3 = 0x144, |
|
SUNI_RXCP_CELL_MASK_H4 = 0x148, |
|
SUNI_RXCP_HCS_CS = 0x14c, |
|
SUNI_RXCP_LCD_CNT_THRESHOLD = 0x150, |
|
/* SUNI_RESERVED3 (0x57 - 0x54) */ |
|
SUNI_TXCP_CTRL = 0x160, |
|
SUNI_TXCP_INTR_EN_STS = 0x164, |
|
SUNI_TXCP_IDLE_PAT_H1 = 0x168, |
|
SUNI_TXCP_IDLE_PAT_H2 = 0x16c, |
|
SUNI_TXCP_IDLE_PAT_H3 = 0x170, |
|
SUNI_TXCP_IDLE_PAT_H4 = 0x174, |
|
SUNI_TXCP_IDLE_PAT_H5 = 0x178, |
|
SUNI_TXCP_IDLE_PAYLOAD = 0x17c, |
|
SUNI_E3_FRM_FRAM_OPTIONS = 0x180, |
|
SUNI_E3_FRM_MAINT_OPTIONS = 0x184, |
|
SUNI_E3_FRM_FRAM_INTR_ENBL = 0x188, |
|
SUNI_E3_FRM_FRAM_INTR_IND_STAT = 0x18c, |
|
SUNI_E3_FRM_MAINT_INTR_ENBL = 0x190, |
|
SUNI_E3_FRM_MAINT_INTR_IND = 0x194, |
|
SUNI_E3_FRM_MAINT_STAT = 0x198, |
|
SUNI_RESERVED4 = 0x19c, |
|
SUNI_E3_TRAN_FRAM_OPTIONS = 0x1a0, |
|
SUNI_E3_TRAN_STAT_DIAG_OPTIONS = 0x1a4, |
|
SUNI_E3_TRAN_BIP_8_ERR_MASK = 0x1a8, |
|
SUNI_E3_TRAN_MAINT_ADAPT_OPTS = 0x1ac, |
|
SUNI_TTB_CTRL = 0x1b0, |
|
SUNI_TTB_TRAIL_TRACE_ID_STAT = 0x1b4, |
|
SUNI_TTB_IND_ADDR = 0x1b8, |
|
SUNI_TTB_IND_DATA = 0x1bc, |
|
SUNI_TTB_EXP_PAYLOAD_TYPE = 0x1c0, |
|
SUNI_TTB_PAYLOAD_TYPE_CTRL_STAT = 0x1c4, |
|
/* SUNI_PAD5 (0x7f - 0x71) */ |
|
SUNI_MASTER_TEST = 0x200, |
|
/* SUNI_PAD6 (0xff - 0x80) */ |
|
}; |
|
|
|
#define SUNI_PM7345_T suni_pm7345_t |
|
#define SUNI_PM7345 0x20 /* Suni chip type */ |
|
#define SUNI_PM5346 0x30 /* Suni chip type */ |
|
/* |
|
* SUNI_PM7345 Configuration |
|
*/ |
|
#define SUNI_PM7345_CLB 0x01 /* Cell loopback */ |
|
#define SUNI_PM7345_PLB 0x02 /* Payload loopback */ |
|
#define SUNI_PM7345_DLB 0x04 /* Diagnostic loopback */ |
|
#define SUNI_PM7345_LLB 0x80 /* Line loopback */ |
|
#define SUNI_PM7345_E3ENBL 0x40 /* E3 enable bit */ |
|
#define SUNI_PM7345_LOOPT 0x10 /* LOOPT enable bit */ |
|
#define SUNI_PM7345_FIFOBP 0x20 /* FIFO bypass */ |
|
#define SUNI_PM7345_FRMRBP 0x08 /* Framer bypass */ |
|
/* |
|
* DS3 FRMR Interrupt Enable |
|
*/ |
|
#define SUNI_DS3_COFAE 0x80 /* Enable change of frame align */ |
|
#define SUNI_DS3_REDE 0x40 /* Enable DS3 RED state intr */ |
|
#define SUNI_DS3_CBITE 0x20 /* Enable Appl ID channel intr */ |
|
#define SUNI_DS3_FERFE 0x10 /* Enable Far End Receive Failure intr*/ |
|
#define SUNI_DS3_IDLE 0x08 /* Enable Idle signal intr */ |
|
#define SUNI_DS3_AISE 0x04 /* Enable Alarm Indication signal intr*/ |
|
#define SUNI_DS3_OOFE 0x02 /* Enable Out of frame intr */ |
|
#define SUNI_DS3_LOSE 0x01 /* Enable Loss of signal intr */ |
|
|
|
/* |
|
* DS3 FRMR Status |
|
*/ |
|
#define SUNI_DS3_ACE 0x80 /* Additional Configuration Reg */ |
|
#define SUNI_DS3_REDV 0x40 /* DS3 RED state */ |
|
#define SUNI_DS3_CBITV 0x20 /* Application ID channel state */ |
|
#define SUNI_DS3_FERFV 0x10 /* Far End Receive Failure state*/ |
|
#define SUNI_DS3_IDLV 0x08 /* Idle signal state */ |
|
#define SUNI_DS3_AISV 0x04 /* Alarm Indication signal state*/ |
|
#define SUNI_DS3_OOFV 0x02 /* Out of frame state */ |
|
#define SUNI_DS3_LOSV 0x01 /* Loss of signal state */ |
|
|
|
/* |
|
* E3 FRMR Interrupt/Status |
|
*/ |
|
#define SUNI_E3_CZDI 0x40 /* Consecutive Zeros indicator */ |
|
#define SUNI_E3_LOSI 0x20 /* Loss of signal intr status */ |
|
#define SUNI_E3_LCVI 0x10 /* Line code violation intr */ |
|
#define SUNI_E3_COFAI 0x08 /* Change of frame align intr */ |
|
#define SUNI_E3_OOFI 0x04 /* Out of frame intr status */ |
|
#define SUNI_E3_LOS 0x02 /* Loss of signal state */ |
|
#define SUNI_E3_OOF 0x01 /* Out of frame state */ |
|
|
|
/* |
|
* E3 FRMR Maintenance Status |
|
*/ |
|
#define SUNI_E3_AISD 0x80 /* Alarm Indication signal state*/ |
|
#define SUNI_E3_FERF_RAI 0x40 /* FERF/RAI indicator */ |
|
#define SUNI_E3_FEBE 0x20 /* Far End Block Error indicator*/ |
|
|
|
/* |
|
* RXCP Control/Status |
|
*/ |
|
#define SUNI_DS3_HCSPASS 0x80 /* Pass cell with HEC errors */ |
|
#define SUNI_DS3_HCSDQDB 0x40 /* Control octets in HCS calc */ |
|
#define SUNI_DS3_HCSADD 0x20 /* Add coset poly */ |
|
#define SUNI_DS3_HCK 0x10 /* Control FIFO data path integ chk*/ |
|
#define SUNI_DS3_BLOCK 0x08 /* Enable cell filtering */ |
|
#define SUNI_DS3_DSCR 0x04 /* Disable payload descrambling */ |
|
#define SUNI_DS3_OOCDV 0x02 /* Cell delineation state */ |
|
#define SUNI_DS3_FIFORST 0x01 /* Cell FIFO reset */ |
|
|
|
/* |
|
* RXCP Interrupt Enable/Status |
|
*/ |
|
#define SUNI_DS3_OOCDE 0x80 /* Intr enable, change in CDS */ |
|
#define SUNI_DS3_HCSE 0x40 /* Intr enable, corr HCS errors */ |
|
#define SUNI_DS3_FIFOE 0x20 /* Intr enable, unco HCS errors */ |
|
#define SUNI_DS3_OOCDI 0x10 /* SYNC state */ |
|
#define SUNI_DS3_UHCSI 0x08 /* Uncorr. HCS errors detected */ |
|
#define SUNI_DS3_COCAI 0x04 /* Corr. HCS errors detected */ |
|
#define SUNI_DS3_FOVRI 0x02 /* FIFO overrun */ |
|
#define SUNI_DS3_FUDRI 0x01 /* FIFO underrun */ |
|
|
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///////////////////SUNI_PM7345 PHY DEFINE END ///////////////////////////// |
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/* ia_eeprom define*/ |
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#define MEM_SIZE_MASK 0x000F /* mask of 4 bits defining memory size*/ |
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#define MEM_SIZE_128K 0x0000 /* board has 128k buffer */ |
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#define MEM_SIZE_512K 0x0001 /* board has 512K of buffer */ |
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#define MEM_SIZE_1M 0x0002 /* board has 1M of buffer */ |
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/* 0x3 to 0xF are reserved for future */ |
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#define FE_MASK 0x00F0 /* mask of 4 bits defining FE type */ |
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#define FE_MULTI_MODE 0x0000 /* 155 MBit multimode fiber */ |
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#define FE_SINGLE_MODE 0x0010 /* 155 MBit single mode laser */ |
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#define FE_UTP_OPTION 0x0020 /* 155 MBit UTP front end */ |
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#define NOVRAM_SIZE 64 |
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#define CMD_LEN 10 |
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/*********** |
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* |
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* Switches and defines for header files. |
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* |
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* The following defines are used to turn on and off |
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* various options in the header files. Primarily useful |
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* for debugging. |
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* |
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***********/ |
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/* |
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* a list of the commands that can be sent to the NOVRAM |
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*/ |
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#define EXTEND 0x100 |
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#define IAWRITE 0x140 |
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#define IAREAD 0x180 |
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#define ERASE 0x1c0 |
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#define EWDS 0x00 |
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#define WRAL 0x10 |
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#define ERAL 0x20 |
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#define EWEN 0x30 |
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/* |
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* these bits duplicate the hw_flip.h register settings |
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* note: how the data in / out bits are defined in the flipper specification |
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*/ |
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#define NVCE 0x02 |
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#define NVSK 0x01 |
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#define NVDO 0x08 |
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#define NVDI 0x04 |
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/*********************** |
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* |
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* This define ands the value and the current config register and puts |
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* the result in the config register |
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* |
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***********************/ |
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#define CFG_AND(val) { \ |
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u32 t; \ |
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t = readl(iadev->reg+IPHASE5575_EEPROM_ACCESS); \ |
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t &= (val); \ |
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writel(t, iadev->reg+IPHASE5575_EEPROM_ACCESS); \ |
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} |
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/*********************** |
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* |
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* This define ors the value and the current config register and puts |
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* the result in the config register |
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* |
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***********************/ |
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#define CFG_OR(val) { \ |
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u32 t; \ |
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t = readl(iadev->reg+IPHASE5575_EEPROM_ACCESS); \ |
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t |= (val); \ |
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writel(t, iadev->reg+IPHASE5575_EEPROM_ACCESS); \ |
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} |
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/*********************** |
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* |
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* Send a command to the NOVRAM, the command is in cmd. |
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* |
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* clear CE and SK. Then assert CE. |
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* Clock each of the command bits out in the correct order with SK |
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* exit with CE still asserted |
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* |
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***********************/ |
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#define NVRAM_CMD(cmd) { \ |
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int i; \ |
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u_short c = cmd; \ |
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CFG_AND(~(NVCE|NVSK)); \ |
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CFG_OR(NVCE); \ |
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for (i=0; i<CMD_LEN; i++) { \ |
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NVRAM_CLKOUT((c & (1 << (CMD_LEN - 1))) ? 1 : 0); \ |
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c <<= 1; \ |
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} \ |
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} |
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/*********************** |
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* |
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* clear the CE, this must be used after each command is complete |
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* |
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***********************/ |
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#define NVRAM_CLR_CE {CFG_AND(~NVCE)} |
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/*********************** |
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* |
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* clock the data bit in bitval out to the NOVRAM. The bitval must be |
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* a 1 or 0, or the clockout operation is undefined |
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* |
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***********************/ |
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#define NVRAM_CLKOUT(bitval) { \ |
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CFG_AND(~NVDI); \ |
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CFG_OR((bitval) ? NVDI : 0); \ |
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CFG_OR(NVSK); \ |
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CFG_AND( ~NVSK); \ |
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} |
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/*********************** |
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* |
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* clock the data bit in and return a 1 or 0, depending on the value |
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* that was received from the NOVRAM |
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* |
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***********************/ |
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#define NVRAM_CLKIN(value) { \ |
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u32 _t; \ |
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CFG_OR(NVSK); \ |
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CFG_AND(~NVSK); \ |
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_t = readl(iadev->reg+IPHASE5575_EEPROM_ACCESS); \ |
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value = (_t & NVDO) ? 1 : 0; \ |
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} |
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#endif /* IPHASE_H */
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