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URL https://opencores.org/ocsvn/pcie_ds_dma/pcie_ds_dma/trunk

Subversion Repositories pcie_ds_dma

[/] [pcie_ds_dma/] [trunk/] [soft/] [linux/] [driver/] [pexdrv/] [pexproc.c] - Blame information for rev 34

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Line No. Rev Author Line
1 2 dsmv 
 
2 
#include <linux/kernel.h>
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#define __NO_VERSION__
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/ioport.h>
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#include <linux/pci.h>
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#include <linux/pagemap.h>
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#include <linux/interrupt.h>
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#include <linux/proc_fs.h>
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#include <asm/io.h>
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13 
#include "pexmodule.h"
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#include "pexproc.h"
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#include "ambpexregs.h"
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#include "hardware.h"
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18 
//--------------------------------------------------------------------
19 
 
20 
void pex_register_proc( char *name, void *fptr, void *data )
21 
{
22 6 v.karak 
    create_proc_read_entry( name, 0, NULL, fptr, data );
23 2 dsmv 
}
24 
 
25 
//--------------------------------------------------------------------
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27 
void pex_remove_proc( char *name )
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{
29 6 v.karak 
    remove_proc_entry( name, NULL );
30 2 dsmv 
}
31 
 
32 
//--------------------------------------------------------------------
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34 6 v.karak 
int pex_show_capabilities( char *buf, struct pex_device *brd )
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{
36 33 v.karak 
    int i = 0;
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    int res = 0;
38 6 v.karak 
    char *p = buf;
39 33 v.karak 
    u8 cap = 0;
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    u32 cap_id = 0;
41 6 v.karak 
 
42 
    p += sprintf(p,"\n" );
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44 
    res = pci_read_config_byte(brd->m_pci, 0x34, &cap);
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    if(res < 0) {
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        p += sprintf(p, "  Error read capabilities pointer\n");
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        goto err_exit;
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    }
49 
 
50 33 v.karak 
    p += sprintf(p, "  Capability pointer: 0x%x\n", cap);
51 
 
52 
    while(1) {
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54 
        res = pci_read_config_dword(brd->m_pci, cap, &cap_id);
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        if(res < 0) {
56 6 v.karak 
            p += sprintf(p, "  Error read capabilities id\n");
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            goto err_exit;
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        }
59 33 v.karak 
 
60 
        p += sprintf(p, "  Capability ID: 0x%x\n", cap_id);
61 
 
62 
        if((cap_id & 0xff) == 0x10) {
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            break;
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        }
65 
 
66 
        cap = ((cap_id >> 8) & 0xff);
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        if(!cap)
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            break;
69 6 v.karak 
    }
70 
 
71 33 v.karak 
    if((cap_id & 0xff) != 0x10) {
72 6 v.karak 
        p += sprintf(p, "  Can't find PCI Express capabilities\n");
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        goto err_exit;
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    }
75 
 
76 33 v.karak 
    p += sprintf(p,"\n" );
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    p += sprintf(p, "  PCI Express Capability Register Set\n");
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    p += sprintf(p,"\n" );
79 
 
80 6 v.karak 
    for(i=0; i<9; i++) {
81 33 v.karak 
        u32 reg = 0;
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        int j = cap + 4*i;
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        res = pci_read_config_dword(brd->m_pci, j, &reg);
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        if(res < 0) {
85 6 v.karak 
            p += sprintf(p, "  Error read capabilities sructure: offset %x\n", j);
86 
            goto err_exit;
87 
        }
88 33 v.karak 
        p += sprintf(p, "  0x%x:  0x%X\n", j, reg);
89 6 v.karak 
    }
90 
 
91 33 v.karak 
err_exit:
92 6 v.karak 
 
93 
    return (p-buf);
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}
95 
 
96 
//--------------------------------------------------------------------
97 
 
98 2 dsmv 
int pex_proc_info(  char *buf,
99 
                    char **start,
100 
                    off_t off,
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                    int count,
102 
                    int *eof,
103 
                    void *data )
104 
{
105 6 v.karak 
    int iBlock = 0;
106 
    char *p = buf;
107 
    struct pex_device *brd = (struct pex_device*)data;
108 2 dsmv 
 
109 6 v.karak 
    if(!brd) {
110 
        p += sprintf(p,"  Invalid device pointer\n" );
111 
        *eof = 1;
112 
        return p - buf;
113 
    }
114 2 dsmv 
 
115 6 v.karak 
    p += pex_show_capabilities(p, brd);
116 2 dsmv 
 
117 6 v.karak 
    p += sprintf(p,"\n" );
118 
    p += sprintf(p,"  Device information\n" );
119 2 dsmv 
 
120 6 v.karak 
    p += sprintf(p, "  m_TotalIRQ = %d\n", atomic_read(&brd->m_TotalIRQ));
121 2 dsmv 
 
122 
 
123 
 
124 6 v.karak 
    for(iBlock = 0; iBlock < brd->m_BlockCnt; iBlock++)
125 
    {
126 
        u32 FifoAddr = 0;
127 
        u16 val = 0;
128 2 dsmv 
 
129 6 v.karak 
        FifoAddr = (iBlock + 1) * PE_FIFO_ADDR;
130 
        val = ReadOperationWordReg(brd, PEFIFOadr_BLOCK_ID + FifoAddr);
131 2 dsmv 
 
132 6 v.karak 
        if((val & 0x0FFF) != PE_EXT_FIFO_ID)
133 
            continue;
134 2 dsmv 
 
135 6 v.karak 
        p += sprintf(p,"\n" );
136 
        p += sprintf(p,"  PE_EXT_FIFO %d\n", iBlock+1 );
137 
        p += sprintf(p,"\n" );
138 
 
139 
        p += sprintf(p,"  BLOCK_ID = %x\n", (val & 0x0FFF) );
140 
        val = ReadOperationWordReg(brd, PEFIFOadr_BLOCK_VER + FifoAddr);
141 
        p += sprintf(p,"  BLOCK_VER = %x\n", (val & 0xFFFF) );
142 
        val = ReadOperationWordReg(brd, PEFIFOadr_FIFO_ID + FifoAddr);
143 
        p += sprintf(p,"  FIFO_ID = %x\n", (val & 0xFFFF) );
144 
        val = ReadOperationWordReg(brd, PEFIFOadr_FIFO_NUM + FifoAddr);
145 
        p += sprintf(p,"  FIFO_NUMBER = %x\n", (val & 0xFFFF) );
146 
        val = ReadOperationWordReg(brd, PEFIFOadr_DMA_SIZE + FifoAddr);
147 
        p += sprintf(p,"  RESOURCE = %x\n", (val & 0xFFFF) );
148 
        val = ReadOperationWordReg(brd, PEFIFOadr_FIFO_CTRL + FifoAddr);
149 
        p += sprintf(p,"  DMA_MODE = %x\n", (val & 0xFFFF) );
150 
        val = ReadOperationWordReg(brd, PEFIFOadr_DMA_CTRL + FifoAddr);
151 
        p += sprintf(p,"  DMA_CTRL = %x\n", (val & 0xFFFF) );
152 
        val = ReadOperationWordReg(brd, PEFIFOadr_FIFO_STATUS + FifoAddr);
153 
        p += sprintf(p,"  FIFO_STATUS = %x\n", (val & 0xFFFF) );
154 
        val = ReadOperationWordReg(brd, PEFIFOadr_FLAG_CLR + FifoAddr);
155 
        p += sprintf(p,"  FLAG_CLR = %x\n", (val & 0xFFFF) );
156 
        val = ReadOperationWordReg(brd, PEFIFOadr_PCI_ADDRL + FifoAddr);
157 
        p += sprintf(p,"  PCI_ADRL = %x\n", (val & 0xFFFF) );
158 
        val = ReadOperationWordReg(brd, PEFIFOadr_PCI_ADDRH + FifoAddr);
159 
        p += sprintf(p,"  PCI_ADRH = %x\n", (val & 0xFFFF) );
160 
        val = ReadOperationWordReg(brd, PEFIFOadr_LOCAL_ADR + FifoAddr);
161 
        p += sprintf(p,"  LOCAL_ADR = %x\n", (val & 0xFFFF) );
162 
    }
163 
 
164 
    *eof = 1;
165 
 
166 
    return p - buf;
167 2 dsmv 
}
168 
 
169 
//--------------------------------------------------------------------

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