1 | /* $ZEL: sis1100_autoconf_netbsd.c,v 1.6 2004/05/27 23:10:18 wuestner Exp $ */
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2 |
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3 | /*
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4 | * Copyright (c) 2001-2004
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5 | * Matthias Drochner, Peter Wuestner. All rights reserved.
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6 | *
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7 | * Redistribution and use in source and binary forms, with or without
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8 | * modification, are permitted provided that the following conditions
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9 | * are met:
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10 | * 1. Redistributions of source code must retain the above copyright
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11 | * notice, this list of conditions, and the following disclaimer.
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12 | * 2. Redistributions in binary form must reproduce the above copyright
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13 | * notice, this list of conditions and the following disclaimer in the
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14 | * documentation and/or other materials provided with the distribution.
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15 | *
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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26 | * SUCH DAMAGE.
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27 | */
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28 |
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29 | #include <dev/pci/sis1100_sc.h>
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30 |
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31 | struct sis1100_softc *sis1100_devdata[sis1100_MAXCARDS];
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32 |
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33 | struct cdevsw sis1100cdevsw = {
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34 | sis1100_open,
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35 | sis1100_close,
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36 | sis1100_read,
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37 | sis1100_write,
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38 | sis1100_ioctl,
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39 | (dev_type_stop((*))) enodev,
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40 | 0,
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41 | sis1100_poll,
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42 | sis1100_mmap,
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43 | 0
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44 | };
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45 |
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46 | #if __NetBSD_Version__ < 106000000
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47 | struct cfdriver sis1100cfdriver = {
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48 | NULL,
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49 | "sis1100_",
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50 | DV_DULL,
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51 | 0
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52 | };
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53 | #else
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54 | struct cfdriver {
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55 | LIST_ENTRY(cfdriver) cd_list; /* link on allcfdrivers */
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56 | struct cfattachlist cd_attach; /* list of all attachments */
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57 | void **cd_devs; /* devices found */
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58 | const char *cd_name; /* device name */
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59 | enum devclass cd_class; /* device classification */
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60 | int cd_ndevs; /* size of cd_devs array */
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61 | const char * const *cd_attrs; /* attributes for this device */
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62 | };
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63 | #endif
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64 |
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65 | int sis1100match(struct device *, struct cfdata *, void *);
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66 | void sis1100attach(struct device *, struct device *, void *);
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67 | int sis1100detach(struct device *, int);
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68 |
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69 | int sis1100intr(void *);
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70 |
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71 | struct cfattach sis1100cfattach = {
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72 | sizeof(struct sis1100_softc),
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73 | sis1100match,
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74 | sis1100attach,
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75 | sis1100detach,
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76 | 0
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77 | };
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78 |
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79 | int sis1100locs[] = {-1, -1};
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80 | extern const char *pcicf_locnames[];
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81 |
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82 | struct cfdata sis1100cfdata = {
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83 | &sis1100cfattach,
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84 | &sis1100cfdriver,
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85 | 0,
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86 | FSTATE_STAR,
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87 | sis1100locs,
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88 | 0,
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89 | NULL,
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90 | pcicf_locnames
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91 | };
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92 |
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93 | int
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94 | sis1100match(parent, match, aux)
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95 | struct device *parent;
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96 | struct cfdata *match;
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97 | void *aux;
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98 | {
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99 | #define MIN_FV 5
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100 | #define MAX_FV 7
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101 |
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102 | struct pci_attach_args *pa = aux;
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103 | int revision;
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104 | bus_space_tag_t reg_t;
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105 | bus_space_handle_t reg_h;
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106 | bus_size_t reg_size;
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107 | u_int32_t ident;
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108 | int hw_type, hw_ver, fw_code, fw_ver;
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109 |
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110 | if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FZJZEL ||
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111 | PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FZJZEL_GIGALINK)
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112 | return (0);
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113 |
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114 | revision=PCI_REVISION(pci_conf_read(pa->pa_pc, pa->pa_tag,
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115 | PCI_CLASS_REG));
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116 | if (revision!=1) {
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117 | printf("sis1100: pci_revision=%d\n", revision);
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118 | return (0);
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119 | }
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120 |
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121 | if (pci_mapreg_map(pa, 0x18, PCI_MAPREG_TYPE_MEM, 0,
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122 | ®_t, ®_h, NULL, ®_size)) {
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123 | printf("sis1100: can't map register space\n");
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124 | return 0;
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125 | }
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126 | ident=bus_space_read_4(reg_t, reg_h, ofs(struct sis1100_reg, ident));
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127 | printf("sis1100: ident=0x%08x\n", ident);
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128 | bus_space_unmap(reg_t, reg_h, reg_size);
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129 | hw_type= ident &0xff;
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130 | hw_ver =(ident>> 8)&0xff;
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131 | fw_code=(ident>>16)&0xff;
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132 | fw_ver =(ident>>24)&0xff;
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133 | if (hw_type!=1) {
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134 | printf("sis1100: wrong hw_type %d\n", hw_type);
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135 | return 0;
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136 | }
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137 | if (hw_ver!=1) {
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138 | printf("sis1100: wrong hw_version %d\n", hw_ver);
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139 | return 0;
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140 | }
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141 | if (fw_code!=1) {
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142 | printf("sis1100: wrong fw_code %d\n", fw_code);
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143 | return 0;
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144 | }
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145 | if (fw_ver<MIN_FV) {
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146 | printf("sis1100: Firmware version (%d) too old;"
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147 | " at least version %d is required.\n", fw_ver, MIN_FV);
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148 | return 0;
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149 | }
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150 | if (fw_ver>MAX_FV) {
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151 | printf("sis1100: Firmware version (%d) too new;"
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152 | "Driver not tested with"
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153 | " versions greater than %d.\n", fw_ver, MAX_FV);
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154 | }
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155 | return (1);
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156 | #undef MIN_FV
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157 | #undef MAX_FV
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158 | }
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159 |
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160 | void
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161 | sis1100attach(parent, self, aux)
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162 | struct device *parent, *self;
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163 | void *aux;
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164 | {
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165 | struct sis1100_softc *sc = (void *)self;
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166 | struct pci_attach_args *pa = aux;
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167 | pci_chipset_tag_t pc = pa->pa_pc;
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168 | int i;
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169 | pci_intr_handle_t ih;
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170 | const char *intrstr = NULL;
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171 |
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172 | printf("\n");
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173 | #if 0
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174 | printf("MINORBITS =%d\n", sis1100_MINORBITS);
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175 | printf("MINORCARDBITS=%d\n", sis1100_MINORCARDBITS);
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176 | printf("MAXCARDS =%d\n", sis1100_MAXCARDS);
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177 | printf("MINORUSERBITS=%d\n", sis1100_MINORUSERBITS);
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178 | printf("MINORCARDMASK=0x%08x\n",sis1100_MINORCARDMASK );
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179 | printf("MINORTYPEMASK=0x%08x\n", sis1100_MINORTYPEMASK);
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180 | printf("MINORUSERMASK=0x%08x\n", sis1100_MINORUSERMASK);
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181 | printf("MINORUTMASK =0x%08x\n", sis1100_MINORUTMASK);
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182 | printf("sc=%p\n", sc);
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183 | printf("clearing fdatalist[0..%d]\n", sis1100_MINORUTMASK+1);
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184 | #endif
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185 | for (i=0; i<=sis1100_MINORUTMASK; i++) sc->fdatalist[i]=0;
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186 |
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187 | if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 0,
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188 | &sc->plx_t, &sc->plx_h, NULL, &sc->plx_size)) {
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189 | printf("%s: can't map plx space\n", sc->sc_dev.dv_xname);
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190 | sc->plx_size=0;
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191 | return;
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192 | }
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193 |
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194 | if (pci_mapreg_map(pa, 0x18, PCI_MAPREG_TYPE_MEM, 0,
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195 | &sc->reg_t, &sc->reg_h, &sc->reg_addr, &sc->reg_size)) {
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196 | printf("%s: can't map register space\n", sc->sc_dev.dv_xname);
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197 | sc->reg_size=0;
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198 | return;
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199 | }
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200 |
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201 | if (pci_mapreg_map(pa, 0x1c, PCI_MAPREG_TYPE_MEM, 0,
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202 | &sc->rem_t, &sc->rem_h, &sc->rem_addr, &sc->rem_size)) {
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203 | printf("%s: can't map remote space\n", sc->sc_dev.dv_xname);
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204 | printf("%s: mmap not available\n", sc->sc_dev.dv_xname);
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205 | sc->rem_size=0;
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206 | }
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207 |
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208 | pINFO(sc, "reg_addr=0x%08x, reg_size=%ld",
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209 | (unsigned int)sc->reg_addr, sc->reg_size);
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210 | pINFO(sc, "rem_addr=0x%08x, rem_size=%ld",
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211 | (unsigned int)sc->rem_addr, sc->rem_size);
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212 |
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213 | /*
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214 | {
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215 | int rev;
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216 | rev = PCI_REVISION(pci_conf_read(pc, pa->pa_tag, PCI_CLASS_REG));
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217 | printf("%s: PCI revision %d\n", sc->sc_dev.dv_xname, rev);
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218 | }
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219 | */
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220 | #ifdef NEVER
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221 | {
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222 | pcitag_t bridgetag;
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223 | int i;
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224 |
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225 | bridgetag=pci_make_tag(pc, 0, 18, 0);
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226 | for (i=0; i<0x40; i+=4) {
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227 | pcireg_t x=pci_conf_read(pc, bridgetag, i);
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228 | printf("bridge[%02x]: 0x%08x\n", i, x);
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229 | }
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230 | }
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231 | #endif
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232 | sc->sc_pc = pc;
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233 | sc->sc_pcitag = pa->pa_tag;
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234 | sc->sc_dmat=pa->pa_dmat;
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235 |
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236 | simple_lock_init(&sc->lock_intcsr);
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237 | simple_lock_init(&sc->lock_sc_inuse);
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238 | lockinit(&sc->sem_hw, 0, "sem_hw", 0, 0);
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239 | lockinit(&sc->sem_fdata_list, 0, "sem_fdata_list", 0, 0);
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240 |
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241 | callout_init(&sc->link_up_timer);
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242 |
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243 | simple_lock_init(&sc->handlercommand.lock);
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244 | sc->handlercommand.command=0;
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245 | INIT_LIST_HEAD(&sc->fdata_list_head);
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246 | kthread_create1(sis1100_irq_thread, sc, &sc->vmeirq_pp, "%s", "sis1100_irq");
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247 | simple_lock_init(&sc->remoteirq_wait);
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248 | simple_lock_init(&sc->local_wait);
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249 |
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250 | sc->sc_dma.devname=sc->sc_dev.dv_xname;
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251 | sc->sc_dma.iot=sc->plx_t;
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252 | sc->sc_dma.ioh=sc->plx_h;
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253 | sc->sc_dma.dmat=pa->pa_dmat;
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254 |
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255 | if (plx9054_dmaalloc(&sc->sc_dma, MAX_DMA_LEN))
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256 | return;
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257 |
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258 | if (sis1100_init(sc)) {
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259 | printf("%s: cannot initialize device\n", sc->sc_dev.dv_xname);
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260 | return;
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261 | }
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262 |
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263 | /* Map and establish the interrupt. */
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264 | if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
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265 | pa->pa_intrline, &ih)) {
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266 | printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
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267 | return;
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268 | }
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269 | intrstr = pci_intr_string(pc, ih);
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270 |
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271 | sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, sis1100_intr, sc);
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272 | if (sc->sc_ih == NULL) {
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273 | printf("%s: couldn't establish interrupt",
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274 | sc->sc_dev.dv_xname);
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275 | if (intrstr != NULL)
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276 | printf(" at %s", intrstr);
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277 | printf("\n");
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278 | return;
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279 | }
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280 | printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
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281 | }
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282 |
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283 | int
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284 | sis1100detach(self, flags)
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285 | struct device *self;
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286 | int flags;
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287 | {
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288 | struct sis1100_softc *sc = (void *)self;
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289 | int i;
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290 |
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291 | if (sc->sc_inuse)
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292 | return (EBUSY);
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293 |
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294 | sis1100_done(sc);
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295 | callout_stop(&sc->link_up_timer);
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296 |
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297 | simple_lock(&sc->handlercommand.lock);
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298 | sc->handlercommand.command=handlercomm_die;
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299 | wakeup(&sc->handler_wait);
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300 | /* XXX PNORELOCK??? */
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301 | ltsleep(sc, PCATCH|PNORELOCK, "terminate_sync", 0,
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302 | &sc->handlercommand.lock);
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303 |
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304 | for (i=0; i<=sis1100_MINORUTMASK; i++) {
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305 | if (sc->fdatalist[i]) free(sc->fdatalist[i], M_DEVBUF);
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306 | }
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307 |
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308 | if (sc->sc_ih)
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309 | pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
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310 |
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311 | plx9054_dmafree(&sc->sc_dma);
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312 |
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313 | if (sc->plx_size)
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314 | bus_space_unmap(sc->plx_t, sc->plx_h, sc->plx_size);
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315 | if (sc->reg_size)
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316 | bus_space_unmap(sc->reg_t, sc->reg_h, sc->reg_size);
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317 | if (sc->rem_size)
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318 | bus_space_unmap(sc->rem_t, sc->rem_h, sc->rem_size);
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319 | return (0);
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320 | }
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