1 | /* $ZEL: sis1100_dsp.c,v 1.2 2004/05/27 23:10:19 wuestner Exp $ */
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2 |
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3 | /*
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4 | * Copyright (c) 2003-2004
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5 | * 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 "sis1100_sc.h"
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30 |
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31 | #if !defined(__NetBSD__) && ! defined(__linux__)
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32 | #error Invalid or Unknown Operating System
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33 | #endif
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34 |
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35 | int
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36 | sis1100_dsp_reset(struct sis1100_softc* sc, struct sis1100_fdata* fd)
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37 | {
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38 | int error;
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39 |
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40 | if (!sc->dsp_present) return ENXIO;
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41 | switch (sc->remote_hw) {
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42 | case sis1100_hw_vme:
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43 | SEM_LOCK(sc->sem_hw);
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44 | error=sis3100writeremreg(sc, dsp_sc, sis3100_dsp_boot_ctrl, 1);
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45 | if (!error) error=sis3100writeremreg(sc, dsp_sc, sis3100_dsp_run<<16, 1);
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46 | SEM_UNLOCK(sc->sem_hw);
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47 | break;
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48 | case sis1100_hw_camac:
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49 | SEM_LOCK(sc->sem_hw);
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50 | error=sis5100writeremreg(sc, dsp_sc, sis5100_dsp_boot_ctrl, 1);
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51 | if (!error) error=sis5100writeremreg(sc, dsp_sc, sis5100_dsp_run<<16, 1);
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52 | SEM_UNLOCK(sc->sem_hw);
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53 | break;
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54 | default:
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55 | return ENOTTY;
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56 | }
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57 | /*
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58 | if (error) {
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59 | pINFO(sc, "dsp_reset: error=0x%x", error);
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60 | return EIO;
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61 | }
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62 | */
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63 | return error?EIO:0;
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64 | }
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65 |
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66 | int
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67 | sis1100_dsp_start(struct sis1100_softc* sc, struct sis1100_fdata* fd)
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68 | {
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69 | int error;
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70 |
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71 | if (!sc->dsp_present) return ENXIO;
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72 | switch (sc->remote_hw) {
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73 | case sis1100_hw_vme:
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74 | error=sis3100writeremreg(sc, dsp_sc, sis3100_dsp_run, 0);
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75 | break;
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76 | case sis1100_hw_camac:
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77 | error=sis5100writeremreg(sc, dsp_sc, sis5100_dsp_run, 0);
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78 | break;
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79 | default:
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80 | return ENOTTY;
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81 | }
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82 | return error?EIO:0;
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83 | }
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84 |
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85 | #define SHARCRAM 0x81200000
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86 | #define D48REG 0x81300000
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87 |
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88 | int
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89 | sis1100_dsp_load(struct sis1100_softc* sc, struct sis1100_fdata* fd,
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90 | struct sis1100_dsp_code* d)
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91 | {
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92 | u_int8_t* code=d->src;
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93 | u_int8_t v[6];
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94 | u_int32_t addr, w0, w12;
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95 | int error=0, i, j;
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96 |
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97 | if (!sc->dsp_present) return ENXIO;
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98 | if (sc->remote_hw!=sis1100_hw_vme) return ENXIO;
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99 |
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100 | if (d->dst%4) return EINVAL;
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101 | if (d->size%6) return EINVAL;
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102 |
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103 | addr=d->dst+SHARCRAM;
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104 | for (i=d->size/6; i && !error; i--) {
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105 | for (j=0; j<6; j++) {
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106 | #ifdef __NetBSD__
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107 | v[j]=fubyte(code);
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108 | #elif __linux__
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109 | get_user(v[j], code);
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110 | #endif
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111 | code++;
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112 | }
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113 | #if 0
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114 | pINFO("%08x %02x%02x%02x%02x%02x%02x",
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115 | (addr-SHARCRAM)>>2,
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116 | v[0], v[1], v[2], v[3], v[4], v[5]);
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117 | #endif
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118 | w0=v[5]|(v[4]<<8);
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119 | w12=(v[3] | (v[2]<<8) | (v[1]<<16) | (v[0]<<24));
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120 | SEM_LOCK(sc->sem_hw);
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121 | error=sis1100_remote_reg_write(sc, D48REG, w0, 1);
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122 | error|=sis1100_remote_reg_write(sc, addr, w12, 1);
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123 | SEM_UNLOCK(sc->sem_hw);
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124 | addr+=4;
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125 | }
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126 | return error?EIO:0;
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127 | }
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