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1159 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | format MS COFF |
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9 | |||
10 | include 'config.inc' |
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11 | |||
12 | ;structs---------------------------------------------------------- |
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13 | struc IOCTL |
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14 | { .handle dd ? |
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15 | .io_code dd ? |
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16 | .input dd ? |
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17 | .inp_size dd ? |
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18 | .output dd ? |
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19 | .out_size dd ? |
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20 | } |
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21 | |||
22 | virtual at 0 |
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23 | IOCTL IOCTL |
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24 | end virtual |
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25 | |||
26 | ;something-------------------------------------------------------- |
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27 | public START |
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28 | public service_proc |
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29 | public version |
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30 | |||
31 | include '..\proc32.inc' |
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32 | include '..\imports.inc' |
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33 | |||
34 | section '.flat' code readable align 16 |
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35 | |||
36 | include 'sb16.inc' |
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37 | |||
38 | ;------------------------------------------------------------------------------- |
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39 | proc START stdcall, state:dword |
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40 | cmp [state], 1 |
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41 | jne .stop |
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42 | .entry: |
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43 | |||
44 | if DEBUG |
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45 | mov esi, msgInit |
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46 | call SysMsgBoardStr |
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47 | end if |
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48 | |||
49 | call detect ;returns DSP version or zero if |
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50 | test eax,eax ;SB card not found |
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51 | jz .exit |
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52 | |||
53 | if DEBUG |
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54 | movzx eax,al ;major version |
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55 | mov esi,sb_DSP_description |
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56 | dec eax |
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57 | jz .sb_say_about_found_dsp |
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58 | mov dword[esi],'2.x ' |
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59 | dec eax |
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60 | jz .sb_say_about_found_dsp |
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61 | mov dword[esi],'Pro ' |
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62 | dec eax |
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63 | jz .sb_say_about_found_dsp |
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64 | mov dword[esi],'16 ' |
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65 | .sb_say_about_found_dsp: |
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66 | mov esi,msgDSPFound |
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67 | call SysMsgBoardStr |
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68 | end if |
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69 | xor eax,eax |
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70 | mov ebx,[sb_base_port] |
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71 | lea ecx,[ebx+0xF] |
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72 | call ReservePortArea ;these ports must be my! |
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73 | if DEBUG |
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74 | dec eax |
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75 | jnz @f |
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76 | mov esi,msgErrRsrvPorts |
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77 | call SysMsgBoardStr |
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78 | @@: |
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79 | end if |
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80 | |||
81 | call sb_setup ;clock it, etc |
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82 | |||
83 | stdcall AttachIntHandler, sb_irq_num, sb_irq, 0 |
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84 | |||
85 | if DEBUG |
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86 | test eax,eax |
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87 | jnz @f |
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88 | |||
89 | mov esi,msgErrAtchIRQ |
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90 | call SysMsgBoardStr |
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91 | |||
92 | stdcall GetIntHandler, sb_irq_num |
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93 | call SysMsgBoardNum |
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94 | |||
95 | jmp .stop |
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96 | @@: |
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97 | mov esi,msgSucAtchIRQ |
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98 | call SysMsgBoardStr |
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99 | end if |
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100 | stdcall RegService, my_service, service_proc |
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101 | ret |
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102 | .stop: |
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103 | call sb_reset |
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104 | .exit: |
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105 | |||
106 | if DEBUG |
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107 | mov esi,msgExit |
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108 | call SysMsgBoardStr |
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109 | end if |
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110 | |||
111 | xor eax, eax |
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112 | ret |
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113 | endp |
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114 | ;------------------------------------------------------------------------------- |
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115 | |||
116 | handle equ IOCTL.handle |
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117 | io_code equ IOCTL.io_code |
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118 | input equ IOCTL.input |
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119 | inp_size equ IOCTL.inp_size |
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120 | output equ IOCTL.output |
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121 | out_size equ IOCTL.out_size |
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122 | |||
123 | align 4 |
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124 | proc service_proc stdcall, ioctl:dword |
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125 | mov edi,[ioctl] |
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126 | mov eax,[edi+io_code] |
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127 | cmp eax,SRV_GETVERSION |
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128 | jne @F |
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129 | |||
130 | mov eax,[edi+output] |
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131 | cmp [edi+out_size],4 |
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132 | jne .fail |
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133 | mov [eax],dword API_VERSION |
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134 | xor eax,eax |
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135 | ret |
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136 | @@: |
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137 | cmp eax,DEV_PLAY |
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138 | jne @f |
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139 | if DEBUG |
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140 | mov esi,msgPlay |
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141 | call SysMsgBoardStr |
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142 | end if |
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143 | call sb_stop ;to play smth new we must stop smth old |
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144 | |||
145 | call pre_fill_data ;fill first and second half of the buffer |
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146 | call pre_fill_data ; |
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147 | |||
148 | call sb_set_dma ;is it really needed here? Paranoia. |
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149 | call sb_play |
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150 | xor eax,eax ;set maximum volume |
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151 | call sb_set_master_vol |
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152 | xor eax,eax |
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153 | ret |
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154 | ;@@: ;all this commented stuff in service proc |
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155 | ; cmp eax,DEV_STOP ;is never used. Mixer do this virtually, |
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156 | ; jne @f ;e.g. instead of stopping driver it |
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157 | ;if DEBUG ;outputs silence |
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158 | ; mov esi,msgStop |
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159 | ; call SysMsgBoardStr |
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160 | ;end if |
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161 | ; call sb_stop |
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162 | ; xor eax,eax |
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163 | ; ret |
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164 | @@: |
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165 | cmp eax,DEV_CALLBACK |
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166 | jne @f |
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167 | if DEBUG |
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168 | mov esi,msgCallback |
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169 | call SysMsgBoardStr |
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170 | end if |
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171 | mov edi,[edi+input] |
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172 | mov eax,[edi] |
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173 | mov [callback],eax |
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174 | if DEBUG |
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175 | call SysMsgBoardNum |
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176 | end if |
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177 | xor eax,eax |
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178 | ret |
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179 | @@: |
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180 | cmp eax,DEV_SET_MASTERVOL ;Serge asked me to unlock |
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181 | jne @F ;DEV_SET(GET)_MASTERVOL, although mixer doesn't use it. |
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182 | ;It doesn't use it _in current version_ - but in the future... |
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183 | |||
184 | if DEBUG |
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185 | mov esi,msgSetVol |
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186 | call SysMsgBoardStr |
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187 | end if |
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188 | mov eax,[edi+input] |
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189 | mov eax,[eax] |
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190 | call sb_set_master_vol |
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191 | xor eax,eax |
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192 | ret |
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193 | @@: |
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194 | cmp eax,DEV_GET_MASTERVOL |
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195 | jne @F |
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196 | if DEBUG |
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197 | mov esi,msgGetVol |
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198 | call SysMsgBoardStr |
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199 | end if |
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200 | mov eax,[edi+output] |
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201 | mov edx,[sb_master_vol] |
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202 | mov [eax],edx |
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203 | xor eax,eax |
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204 | ret |
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205 | |||
206 | .fail: |
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207 | or eax, -1 |
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208 | ret |
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209 | endp |
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210 | |||
211 | restore handle |
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212 | restore io_code |
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213 | restore input |
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214 | restore inp_size |
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215 | restore output |
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216 | restore out_size |
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217 | |||
218 | ;------------------------------------------------------------------------------- |
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219 | align 4 |
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220 | proc sb_irq |
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221 | mov edx,[sb_base_port] ;tell the DSP that we have processed IRQ |
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222 | add dl,0xF ;0xF for 16 bit sound, 0xE for 8 bit sound |
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223 | in al,dx ;for non-stop sound |
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224 | |||
225 | pre_fill_data: |
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226 | mov eax,int_flip_flop |
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227 | not dword[eax] |
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228 | mov eax,[eax] |
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229 | test eax,eax |
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230 | jns .fill_second_half |
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231 | |||
232 | if sb_buffer_size eq small_buffer |
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233 | stdcall [callback],SB16Buffer0 ;for 32k buffer |
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234 | else if sb_buffer_size eq full_buffer |
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235 | stdcall [callback],SB16Buffer0 ;for 64k buffer |
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236 | stdcall [callback],SB16Buffer1 ;for 64k buffer |
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237 | end if |
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238 | xor eax,eax |
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239 | ret |
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240 | |||
241 | .fill_second_half: |
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242 | if sb_buffer_size eq small_buffer |
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243 | stdcall [callback],SB16Buffer1 ;for 32k buffer |
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244 | else if sb_buffer_size eq full_buffer |
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245 | stdcall [callback],SB16Buffer2 ;for 64k buffer |
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246 | stdcall [callback],SB16Buffer3 ;for 64k buffer |
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247 | end if |
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248 | xor eax,eax |
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249 | ret |
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250 | endp |
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251 | ;------------------------------------------------------------------------------- |
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252 | align 4 |
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253 | proc detect |
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254 | .sb_detect_next_port: |
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255 | if DEBUG |
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256 | inc dword[port_second_digit_num] |
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257 | end if |
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258 | mov edx,sb_base_port |
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259 | add byte[edx],10h |
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260 | cmp byte[edx],80h |
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261 | jbe .sb_try_to_detect_at_specified_port |
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262 | ;error - no SB card detected |
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263 | .sb_not_found_err: |
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264 | xor eax, eax |
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265 | ret |
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266 | |||
267 | .sb_try_to_detect_at_specified_port: |
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268 | call sb_reset |
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269 | add dl,8 |
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270 | mov ecx,100 |
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271 | .sb_check_port: |
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272 | in al,dx |
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273 | test al,al ;is DSP port ready to be read? |
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274 | jns .sb_port_not_ready |
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275 | |||
276 | sub dl,4 |
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277 | in al,dx ;check for AAh response |
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278 | add dl,4 |
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279 | cmp al,0xAA |
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280 | jne .sb_port_not_ready |
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281 | .sb_card_found: |
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282 | and dl,0xF0 |
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283 | add dl,0xC |
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284 | sb_out 0xE1 ;get DSP version |
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285 | add dl,2 |
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286 | @@: |
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287 | in al,dx |
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288 | test al,al ;is DSP port ready to be read? |
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289 | jns @b |
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290 | sub dl,4 |
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291 | in al,dx ;get major version |
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292 | ror eax,16 |
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293 | add dl,4 |
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294 | @@: |
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295 | in al,dx |
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296 | test al,al ;is DSP port ready to be read? |
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297 | jns @b |
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298 | sub dl,4 |
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299 | in al,dx ;get minor version |
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300 | xor edx,edx |
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301 | mov dl,10 |
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302 | div dl |
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303 | ror eax,16 |
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304 | xor ah,ah |
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305 | mov [sb_DSP_version_int],eax ;for internal usage |
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306 | if DEBUG |
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307 | add [sb_DSP_version],eax |
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308 | end if |
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309 | ret |
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310 | |||
311 | .sb_port_not_ready: |
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312 | loop .sb_check_port ;100 retries (~100 microsec.) |
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313 | jmp .sb_detect_next_port |
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314 | endp |
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315 | ;------------------------------------------------------------------------------- |
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316 | if DEBUG |
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317 | proc SysMsgBoardNum ;warning: destroys eax,ebx,ecx,esi |
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318 | mov ebx,eax |
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319 | mov ecx,8 |
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320 | mov esi,(number_to_out+1) |
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321 | .1: |
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322 | mov eax,ebx |
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323 | and eax,0xF |
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324 | add al,'0' |
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325 | cmp al,(10+'0') |
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326 | jb @f |
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327 | add al,('A'-'0'-10) |
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328 | @@: |
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329 | mov [esi+ecx],al |
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330 | shr ebx,4 |
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331 | loop .1 |
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332 | dec esi |
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333 | call SysMsgBoardStr |
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334 | ret |
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335 | endp |
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336 | end if |
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337 | ;all initialized data place here |
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338 | align 4 |
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339 | version dd (5 shl 16) or (API_VERSION and 0xFFFF) |
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340 | |||
341 | sb_base_port: dd 200h ;don't ask me why - see the code&docs |
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342 | |||
343 | sound_dma dd sb_dma_num |
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344 | |||
345 | ;note that 4th DMA channel doesn't exist, it is used for cascade |
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346 | ;plugging the first DMA controler to the second |
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347 | dma_table db 0x87,0x83,0x81,0x82,0xFF,0x8B,0x89,0x8A |
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348 | |||
349 | my_service db 'SOUND',0 ;max 16 chars include zero |
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350 | |||
351 | if DEBUG |
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352 | number_to_out db '0x00000000',13,10,0 |
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353 | |||
354 | msgInit db 'detecting hardware...',13,10,0 |
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355 | msgExit db 'exiting... May be some problems found?',13,10,0 |
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356 | msgPlay db 'start play',13,10,0 |
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357 | ;msgStop db 'stop play',13,10,0 |
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358 | msgCallback db 'set_callback received from the mixer!',13,10 |
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359 | db 'callback handler is: ',0 |
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360 | msgErrAtchIRQ db 'failed to attach IRQ',(sb_irq_num+'0'),13,10 |
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361 | db 'owner',39,'s handler: ',0 |
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362 | msgSucAtchIRQ db 'succesfully attached IRQ',(sb_irq_num+'0') |
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363 | db ' as hardcoded',13,10,0 |
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364 | msgErrRsrvPorts db 'failed to reserve needed ports.',13,10 |
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365 | db 'Driver may work unstable',13,10,0 |
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366 | msgSetVol db 'DEV_SET_MASTERVOL call came',13,10,0 |
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367 | msgGetVol db 'DEV_GET_MASTERVOL call came',13,10,0 |
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368 | msgErrDMAsetup db 'failed to setup DMA - bad channel',13,10,0 |
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369 | ;------------------------------------------------------------------------------- |
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370 | msgDSPFound db 'DSP found at port 2' |
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371 | label port_second_digit_num dword at $ |
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372 | db '00h',13,10,'DSP version ' |
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373 | sb_DSP_version: db '0.00 - SB' |
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374 | sb_DSP_description: db 32,32,32,32,13,10,0 |
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375 | ;------------------------------------------------------------------------------- |
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376 | end if |
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377 | |||
378 | section '.data' data readable writable align 16 |
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379 | ;all uninitialized data place here |
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380 | |||
381 | ;pTempBuf rd 1 |
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382 | |||
383 | callback rd 1 |
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384 | |||
385 | int_flip_flop rd 1 |
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386 | |||
387 | sb_master_vol rd 1 |
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388 | |||
389 | sb_DSP_version_int rd 1 |