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Rev | Author | Line No. | Line |
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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5363 | yogev_ezra | 3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
2288 | clevermous | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
5057 | clevermous | 8 | format PE DLL native 0.05 |
9 | entry START |
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2288 | clevermous | 10 | |
11 | include 'CONFIG.INC' |
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12 | |||
5057 | clevermous | 13 | section '.flat' code readable writable executable |
14 | include '..\..\struct.inc' |
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15 | include '..\..\macros.inc' |
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16 | include '..\..\proc32.inc' |
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17 | include '..\..\peimport.inc' |
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2288 | clevermous | 18 | |
19 | include 'SB16.INC' |
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20 | |||
21 | ;------------------------------------------------------------------------------- |
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5057 | clevermous | 22 | proc START c uses ebx esi edi, state:dword, cmdline:dword |
2288 | clevermous | 23 | cmp [state], 1 |
24 | jne .stop |
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25 | .entry: |
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26 | |||
27 | if DEBUG |
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28 | mov esi, msgInit |
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5057 | clevermous | 29 | invoke SysMsgBoardStr |
2288 | clevermous | 30 | end if |
31 | |||
32 | call detect ;returns DSP version or zero if |
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33 | test eax, eax ;SB card not found |
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34 | jz .exit |
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35 | |||
36 | if DEBUG |
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37 | movzx eax, al ;major version |
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38 | mov esi, sb_DSP_description |
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39 | dec eax |
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40 | jz .sb_say_about_found_dsp |
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41 | mov dword[esi], '2.x ' |
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42 | dec eax |
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43 | jz .sb_say_about_found_dsp |
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44 | mov dword[esi], 'Pro ' |
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45 | dec eax |
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46 | jz .sb_say_about_found_dsp |
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47 | mov dword[esi], '16 ' |
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48 | .sb_say_about_found_dsp: |
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49 | mov esi, msgDSPFound |
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5057 | clevermous | 50 | invoke SysMsgBoardStr |
2288 | clevermous | 51 | end if |
4961 | hidnplayr | 52 | |
2288 | clevermous | 53 | xor ebx, ebx |
54 | mov ecx, [sb_base_port] |
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4961 | hidnplayr | 55 | lea edx, [ecx+0xF] |
5057 | clevermous | 56 | invoke ReservePortArea ;these ports must be mine ! |
2288 | clevermous | 57 | |
58 | dec eax |
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59 | jnz @f |
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4961 | hidnplayr | 60 | |
61 | if DEBUG |
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2288 | clevermous | 62 | mov esi, msgErrRsrvPorts |
5057 | clevermous | 63 | invoke SysMsgBoardStr |
2288 | clevermous | 64 | end if |
4961 | hidnplayr | 65 | jmp .exit |
2288 | clevermous | 66 | |
4961 | hidnplayr | 67 | @@: |
5057 | clevermous | 68 | invoke AllocDMA24, sb_buffer_size |
69 | test eax, eax |
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70 | jz .exit |
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71 | mov [SB16Buffer], eax |
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4961 | hidnplayr | 72 | |
2288 | clevermous | 73 | call sb_setup ;clock it, etc |
74 | |||
5057 | clevermous | 75 | invoke AttachIntHandler, sb_irq_num, sb_irq, 0 |
2288 | clevermous | 76 | |
77 | if DEBUG |
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78 | test eax, eax |
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79 | jnz @f |
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80 | |||
81 | mov esi, msgErrAtchIRQ |
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5057 | clevermous | 82 | invoke SysMsgBoardStr |
2288 | clevermous | 83 | |
2802 | Asper | 84 | ; stdcall GetIntHandler, sb_irq_num |
85 | ; call SysMsgBoardNum |
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2288 | clevermous | 86 | |
87 | jmp .stop |
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88 | @@: |
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89 | mov esi, msgSucAtchIRQ |
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5057 | clevermous | 90 | invoke SysMsgBoardStr |
2288 | clevermous | 91 | end if |
5057 | clevermous | 92 | invoke RegService, my_service, service_proc |
2288 | clevermous | 93 | ret |
94 | .stop: |
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95 | call sb_reset |
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96 | .exit: |
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97 | |||
98 | if DEBUG |
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99 | mov esi, msgExit |
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5057 | clevermous | 100 | invoke SysMsgBoardStr |
2288 | clevermous | 101 | end if |
102 | |||
103 | xor eax, eax |
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104 | ret |
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105 | endp |
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106 | ;------------------------------------------------------------------------------- |
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107 | |||
5057 | clevermous | 108 | proc service_proc stdcall uses ebx esi edi, ioctl:dword |
2288 | clevermous | 109 | mov edi, [ioctl] |
5057 | clevermous | 110 | mov eax, [edi+IOCTL.io_code] |
2288 | clevermous | 111 | cmp eax, SRV_GETVERSION |
112 | jne @F |
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113 | |||
5057 | clevermous | 114 | mov eax, [edi+IOCTL.output] |
115 | cmp [edi+IOCTL.out_size], 4 |
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2288 | clevermous | 116 | jne .fail |
117 | mov [eax], dword API_VERSION |
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118 | xor eax, eax |
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119 | ret |
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120 | @@: |
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121 | cmp eax, DEV_PLAY |
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122 | jne @f |
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123 | if DEBUG |
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124 | mov esi, msgPlay |
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5057 | clevermous | 125 | invoke SysMsgBoardStr |
2288 | clevermous | 126 | end if |
127 | call sb_stop ;to play smth new we must stop smth old |
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128 | |||
129 | call pre_fill_data ;fill first and second half of the buffer |
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130 | call pre_fill_data ; |
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131 | |||
132 | call sb_set_dma ;is it really needed here? Paranoia. |
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133 | call sb_play |
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134 | xor eax, eax ;set maximum volume |
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135 | call sb_set_master_vol |
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136 | xor eax, eax |
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137 | ret |
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138 | ;@@: ;all this commented stuff in service proc |
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139 | ; cmp eax,DEV_STOP ;is never used. Mixer do this virtually, |
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140 | ; jne @f ;e.g. instead of stopping driver it |
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141 | ;if DEBUG ;outputs silence |
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142 | ; mov esi,msgStop |
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143 | ; call SysMsgBoardStr |
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144 | ;end if |
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145 | ; call sb_stop |
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146 | ; xor eax,eax |
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147 | ; ret |
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148 | @@: |
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149 | cmp eax, DEV_CALLBACK |
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150 | jne @f |
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151 | if DEBUG |
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152 | mov esi, msgCallback |
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5057 | clevermous | 153 | invoke SysMsgBoardStr |
2288 | clevermous | 154 | end if |
5057 | clevermous | 155 | mov edi, [edi+IOCTL.input] |
2288 | clevermous | 156 | mov eax, [edi] |
157 | mov [callback], eax |
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158 | if DEBUG |
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159 | call SysMsgBoardNum |
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160 | end if |
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161 | xor eax, eax |
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162 | ret |
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163 | @@: |
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164 | cmp eax, DEV_SET_MASTERVOL;Serge asked me to unlock |
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165 | jne @F ;DEV_SET(GET)_MASTERVOL, although mixer doesn't use it. |
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166 | ;It doesn't use it _in current version_ - but in the future... |
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167 | |||
168 | if DEBUG |
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169 | mov esi, msgSetVol |
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5057 | clevermous | 170 | invoke SysMsgBoardStr |
2288 | clevermous | 171 | end if |
5057 | clevermous | 172 | mov eax, [edi+IOCTL.input] |
2288 | clevermous | 173 | mov eax, [eax] |
174 | call sb_set_master_vol |
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175 | xor eax, eax |
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176 | ret |
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177 | @@: |
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178 | cmp eax, DEV_GET_MASTERVOL |
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179 | jne @F |
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180 | if DEBUG |
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181 | mov esi, msgGetVol |
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5057 | clevermous | 182 | invoke SysMsgBoardStr |
2288 | clevermous | 183 | end if |
5057 | clevermous | 184 | mov eax, [edi+IOCTL.output] |
2288 | clevermous | 185 | mov edx, [sb_master_vol] |
186 | mov [eax], edx |
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187 | xor eax, eax |
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188 | ret |
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189 | |||
190 | .fail: |
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191 | or eax, -1 |
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192 | ret |
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193 | endp |
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194 | |||
195 | ;------------------------------------------------------------------------------- |
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196 | proc sb_irq |
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197 | mov edx, [sb_base_port];tell the DSP that we have processed IRQ |
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198 | add dl, 0xF ;0xF for 16 bit sound, 0xE for 8 bit sound |
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199 | in al, dx ;for non-stop sound |
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200 | |||
201 | pre_fill_data: |
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202 | mov eax, int_flip_flop |
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203 | not dword[eax] |
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204 | mov eax, [eax] |
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205 | test eax, eax |
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206 | jns .fill_second_half |
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207 | |||
208 | if sb_buffer_size eq small_buffer |
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5057 | clevermous | 209 | mov eax, [SB16Buffer] |
210 | stdcall [callback], eax ;for 32k buffer |
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2288 | clevermous | 211 | else if sb_buffer_size eq full_buffer |
5057 | clevermous | 212 | mov eax, [SB16Buffer] |
213 | push eax |
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214 | stdcall [callback], eax ;for 64k buffer |
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215 | pop eax |
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216 | add eax, 16384 |
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217 | stdcall [callback], eax ;for 64k buffer |
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2288 | clevermous | 218 | end if |
219 | xor eax, eax |
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220 | not eax |
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221 | ret |
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222 | |||
223 | .fill_second_half: |
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224 | if sb_buffer_size eq small_buffer |
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5057 | clevermous | 225 | mov eax, [SB16Buffer] |
226 | add eax, 16384 |
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227 | stdcall [callback], eax ;for 32k buffer |
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2288 | clevermous | 228 | else if sb_buffer_size eq full_buffer |
5057 | clevermous | 229 | mov eax, [SB16Buffer] |
230 | add eax, 32768 |
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231 | push eax |
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232 | stdcall [callback], eax ;for 64k buffer |
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233 | pop eax |
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234 | add eax, 16384 |
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235 | stdcall [callback], eax ;for 64k buffer |
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2288 | clevermous | 236 | end if |
237 | xor eax, eax |
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238 | not eax |
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239 | ret |
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240 | endp |
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241 | ;------------------------------------------------------------------------------- |
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242 | align 4 |
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243 | proc detect |
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244 | .sb_detect_next_port: |
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245 | if DEBUG |
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246 | inc dword[port_second_digit_num] |
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247 | end if |
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248 | mov edx, sb_base_port |
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249 | add byte[edx], 10h |
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250 | cmp byte[edx], 80h |
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251 | jbe .sb_try_to_detect_at_specified_port |
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252 | ;error - no SB card detected |
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253 | .sb_not_found_err: |
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254 | xor eax, eax |
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255 | ret |
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256 | |||
257 | .sb_try_to_detect_at_specified_port: |
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258 | call sb_reset |
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259 | add dl, 8 |
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260 | mov ecx, 100 |
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261 | .sb_check_port: |
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262 | in al, dx |
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263 | test al, al ;is DSP port ready to be read? |
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264 | jns .sb_port_not_ready |
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265 | |||
266 | sub dl, 4 |
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267 | in al, dx ;check for AAh response |
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268 | add dl, 4 |
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269 | cmp al, 0xAA |
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270 | jne .sb_port_not_ready |
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271 | .sb_card_found: |
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272 | and dl, 0xF0 |
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273 | add dl, 0xC |
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5057 | clevermous | 274 | sb_out 0xE1 ;get DSP version |
2288 | clevermous | 275 | add dl, 2 |
276 | @@: |
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277 | in al, dx |
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278 | test al, al ;is DSP port ready to be read? |
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279 | jns @b |
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280 | sub dl, 4 |
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281 | in al, dx ;get major version |
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282 | ror eax, 16 |
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283 | add dl, 4 |
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284 | @@: |
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285 | in al, dx |
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286 | test al, al ;is DSP port ready to be read? |
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287 | jns @b |
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288 | sub dl, 4 |
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289 | in al, dx ;get minor version |
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290 | xor edx, edx |
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291 | mov dl, 10 |
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292 | div dl |
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293 | ror eax, 16 |
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294 | xor ah, ah |
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295 | mov [sb_DSP_version_int], eax;for internal usage |
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296 | if DEBUG |
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297 | add [sb_DSP_version], eax |
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298 | end if |
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299 | ret |
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300 | |||
301 | .sb_port_not_ready: |
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302 | loop .sb_check_port ;100 retries (~100 microsec.) |
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303 | jmp .sb_detect_next_port |
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304 | endp |
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305 | ;------------------------------------------------------------------------------- |
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306 | if DEBUG |
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307 | proc SysMsgBoardNum ;warning: destroys eax,ebx,ecx,esi |
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308 | mov ebx, eax |
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309 | mov ecx, 8 |
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310 | mov esi, (number_to_out+1) |
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311 | .1: |
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312 | mov eax, ebx |
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313 | and eax, 0xF |
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314 | add al, '0' |
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315 | cmp al, (10+'0') |
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316 | jb @f |
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317 | add al, ('A'-'0'-10) |
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318 | @@: |
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319 | mov [esi+ecx], al |
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320 | shr ebx, 4 |
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321 | loop .1 |
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322 | dec esi |
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5057 | clevermous | 323 | invoke SysMsgBoardStr |
2288 | clevermous | 324 | ret |
325 | endp |
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326 | end if |
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327 | ;all initialized data place here |
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328 | align 4 |
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329 | |||
330 | sb_base_port: |
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331 | dd 200h ;don't ask me why - see the code&docs |
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332 | |||
333 | sound_dma dd sb_dma_num |
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334 | |||
335 | ;note that 4th DMA channel doesn't exist, it is used for cascade |
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336 | ;plugging the first DMA controler to the second |
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337 | dma_table db 0x87,0x83,0x81,0x82,0xFF,0x8B,0x89,0x8A |
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338 | |||
339 | my_service db 'SOUND',0 ;max 16 chars include zero |
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340 | |||
341 | if DEBUG |
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342 | number_to_out db '0x00000000',13,10,0 |
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343 | |||
344 | msgInit db 'detecting hardware...',13,10,0 |
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345 | msgExit db 'exiting... May be some problems found?',13,10,0 |
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346 | msgPlay db 'start play',13,10,0 |
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347 | ;msgStop db 'stop play',13,10,0 |
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348 | msgCallback db 'set_callback received from the mixer!',13,10 |
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349 | db 'callback handler is: ',0 |
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350 | msgErrAtchIRQ db 'failed to attach IRQ',(sb_irq_num+'0'),13,10 |
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351 | db 'owner',39,'s handler: ',0 |
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352 | msgSucAtchIRQ db 'succesfully attached IRQ',(sb_irq_num+'0') |
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353 | db ' as hardcoded',13,10,0 |
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4961 | hidnplayr | 354 | msgErrRsrvPorts db 'failed to reserve needed ports.',13,10,0 |
2288 | clevermous | 355 | msgSetVol db 'DEV_SET_MASTERVOL call came',13,10,0 |
356 | msgGetVol db 'DEV_GET_MASTERVOL call came',13,10,0 |
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357 | msgErrDMAsetup db 'failed to setup DMA - bad channel',13,10,0 |
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358 | ;------------------------------------------------------------------------------- |
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359 | msgDSPFound db 'DSP found at port 2' |
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360 | label port_second_digit_num dword at $ |
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361 | db '00h',13,10,'DSP version ' |
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362 | sb_DSP_version: |
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363 | db '0.00 - SB' |
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364 | sb_DSP_description: |
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365 | db 32,32,32,32,13,10,0 |
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366 | ;------------------------------------------------------------------------------- |
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367 | end if |
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368 | |||
5057 | clevermous | 369 | align 4 |
370 | data fixups |
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371 | end data |
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2288 | clevermous | 372 | |
5057 | clevermous | 373 | align 4 |
374 | SB16Buffer rd 1 |
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2288 | clevermous | 375 | |
376 | callback rd 1 |
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377 | |||
378 | int_flip_flop rd 1 |
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379 | |||
380 | sb_master_vol rd 1 |
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381 | |||
382 | sb_DSP_version_int rd 1 |