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Rev | Author | Line No. | Line |
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981 | serge | 1 | |
2 | |||
3 | #include |
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4 | |||
1692 | serge | 5 | #include |
981 | serge | 6 | |
1692 | serge | 7 | #include "geode.h" |
981 | serge | 8 | |
9 | #define DBG(format,...) dbgprintf(format,##__VA_ARGS__) |
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10 | |||
1692 | serge | 11 | #define BM0_IRQ 0x04 |
1029 | serge | 12 | |
981 | serge | 13 | #define BITS_8_TO_16(x) ( ( (long) ((unsigned char) x - 128) ) << 8 ) |
14 | |||
15 | #define PCI_VENDOR_ID_NS 0x100b |
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16 | |||
17 | |||
18 | |||
19 | |||
20 | |||
21 | #endif |
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22 | #ifndef PCI_DEVICE_ID_AMD_CS5536_AUDIO |
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23 | #define PCI_DEVICE_ID_AMD_CS5536_AUDIO 0x2093 |
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24 | #endif |
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25 | |||
26 | #define ID_DEV_1 ((PCI_DEVICE_ID_NS_CS5535_AUDIO << 16)|PCI_VENDOR_ID_NS) |
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27 | |||
28 | |||
29 | #define SET 1 |
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30 | |||
31 | |||
32 | int __stdcall srv_sound(ioctl_t *io); |
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33 | |||
34 | |||
35 | |||
36 | |||
37 | |||
38 | |||
39 | |||
40 | PCITAG pciTag; |
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41 | Bool is_iomapped; |
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42 | addr_t F3BAR0; |
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43 | |||
44 | Bool fAD1819A; |
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45 | |||
46 | int CurrentPowerState; |
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47 | |||
48 | addr_t buffer; |
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49 | |||
50 | |||
51 | addr_t irq_line; |
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52 | |||
53 | |||
54 | void __stdcall (*callback)(addr_t buffer); |
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55 | |||
56 | |||
57 | geode_t geode; |
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58 | |||
59 | |||
60 | |||
61 | |||
62 | reg+= geode.F3BAR0; |
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63 | |||
64 | #ifdef FORCED_PIO |
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65 | |||
66 | #else |
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67 | if(geode.is_iomapped) |
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68 | out32((u16_t)reg, data); |
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69 | else |
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70 | *(u32_t*)reg = data; |
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71 | #endif |
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72 | } |
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73 | |||
74 | static inline u32_t ctrl_read_32(addr_t reg) |
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75 | |||
76 | reg+= geode.F3BAR0; |
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77 | #ifdef FORCED_PIO |
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78 | return in32((u16_t)reg); |
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79 | #else |
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80 | if(geode.is_iomapped) |
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81 | return in32((u16_t)reg); |
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82 | else |
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83 | return *(u32_t*)reg; |
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84 | #endif |
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85 | } |
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86 | |||
87 | |||
88 | |||
89 | |||
90 | |||
91 | count_t timeout, |
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92 | u32_t *pReturnValue) |
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93 | { |
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94 | volatile u32_t tmp; |
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95 | |||
96 | tmp = ctrl_read_32(offset); |
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97 | |||
98 | while (timeout) |
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99 | |||
100 | if (Operation==CLEAR){ |
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101 | if (!(tmp & Bit)) |
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102 | break; |
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103 | } else if (tmp & Bit) |
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104 | break; |
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105 | |||
106 | /*If the Bit is not clear yet, we wait for 10 milisecond and try again*/ |
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107 | |||
108 | |||
109 | tmp = ctrl_read_32(offset); |
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110 | |||
111 | timeout--; |
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112 | |||
113 | |||
114 | if (pReturnValue) |
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115 | |||
116 | |||
117 | if (!timeout) |
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118 | |||
119 | |||
120 | return TRUE; |
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121 | |||
122 | |||
123 | u16_t snd_hw_CodecRead ( u8_t CodecRegister ) |
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124 | |||
125 | u32_t CodecRegister_data = 0; |
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126 | u32_t timeout=10; |
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127 | volatile u32_t val=0; |
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128 | |||
129 | CodecRegister_data = ((u32_t)CodecRegister)<<24; |
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130 | |||
131 | |||
132 | /* Set the bit. We are going to access the CODEC...*/ |
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133 | |||
134 | |||
135 | /*Request the data*/ |
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136 | |||
137 | |||
138 | /* Now we need to wait for BIT_5535_CODEC_COMMAND_NEW of the Codec control register to clear |
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139 | |||
140 | if (!snd_hw_WaitForBit (CODEC_CONTROL_REG_5535, |
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141 | BIT_5535_CODEC_COMMAND_NEW, CLEAR, 50, NULL)) |
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142 | DBG("BIT_5535_CODEC_COMMAND_NEW did not clear!!\n"); |
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143 | |||
144 | /* Wait for CODEC_STATUS_NEW and confirm the read of the requested register*/ |
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145 | |||
146 | do |
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147 | { |
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148 | val = ctrl_read_32(CODEC_STATUS_REG_5535); |
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149 | if ((val & BIT_5535_CODEC_STATUS_NEW) && |
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150 | ((u32_t) CodecRegister == ((0xFF000000 & val)>>24))) |
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151 | break; |
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152 | else |
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153 | /*Wait for 10 miliseconds and try again*/ |
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154 | delay(10/10); |
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155 | } while ( --timeout); |
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156 | |||
157 | if (!timeout) |
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158 | |||
159 | |||
160 | return( (u16_t)val ); |
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161 | |||
162 | |||
163 | void snd_hw_CodecWrite( u8_t CodecRegister, u16_t CodecData ) |
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164 | |||
165 | u32_t CodecRegister_data; |
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166 | u32_t Temp, timeout; |
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167 | |||
168 | CodecRegister_data = ((u32_t) CodecRegister)<<24; |
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169 | |||
170 | CodecRegister_data &= CODEC_COMMAND_MASK; |
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171 | |||
172 | /*Set the bit. We are going to access the CODEC...*/ |
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173 | |||
174 | |||
175 | /*Write the data*/ |
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176 | |||
177 | //OS_DbgMsg("Writing: %08X\n", CodecRegister_data); |
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178 | |||
179 | /*We need to wait for bit16 of the Codec control register to clear*/ |
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180 | |||
181 | |||
182 | timeout = 50; |
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183 | |||
184 | while ((Temp & BIT_5535_CODEC_COMMAND_NEW) && timeout-- ) |
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185 | |||
186 | |||
187 | if (!timeout) |
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188 | |||
189 | "BIT_5535_CODEC_COMMAND_NEW did not clear!\n"); |
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190 | } |
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191 | |||
192 | |||
193 | |||
194 | |||
195 | u16_t val; |
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196 | |||
197 | DBG("Rate: %d\n", SampleRate); |
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198 | |||
199 | /*If Double-Rate is supported (Bit 2 on register 28h)...*/ |
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200 | |||
201 | |||
202 | if (val & 0x02) |
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203 | |||
204 | DBG("Codec supports Double rate.\n"); |
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205 | val=snd_hw_CodecRead(EXT_AUDIO_CTRL_STAT); |
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206 | |||
207 | if (SampleRate>48000) |
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208 | |||
209 | snd_hw_CodecWrite(EXT_AUDIO_CTRL_STAT, (u16_t) (val|0x0002)); |
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210 | SampleRate/=2; |
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211 | } |
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212 | else |
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213 | snd_hw_CodecWrite(EXT_AUDIO_CTRL_STAT, (u16_t) (val&0xFFFD)); |
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214 | } |
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215 | if (geode.fAD1819A) |
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216 | { |
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217 | DBG("AD1819...\n"); |
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218 | snd_hw_CodecWrite(AD1819A_PCM_SR0,(u16_t)SampleRate); |
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219 | } |
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220 | else |
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221 | snd_hw_CodecWrite(PCM_FRONT_DAC_RATE,(u16_t)SampleRate); |
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222 | } |
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223 | |||
224 | Bool init_device() |
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225 | |||
226 | u32_t io_base = pciReadLong(geode.pciTag, 0x10); |
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227 | |||
228 | if( PCI_MAP_IS_IO(io_base)) |
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229 | |||
230 | geode.is_iomapped = TRUE; |
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231 | geode.F3BAR0 = PCIGETIO(io_base); |
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232 | DBG("io mapped F3BAR0 %x\n", geode.F3BAR0); |
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233 | } |
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234 | else if(PCI_MAP_IS_MEM(io_base)) |
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235 | { |
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236 | geode.is_iomapped = FALSE; |
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237 | io_base = PCIGETMEMORY(io_base); |
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238 | geode.F3BAR0 = MapIoMem(io_base, 128, PG_SW+PG_NOCACHE); |
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239 | DBG("memory mapped F3BAR0 %x\n", geode.F3BAR0); |
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240 | } |
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241 | |||
242 | geode.buffer = KernelAlloc(64*1024); |
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243 | |||
244 | addr_t buffer = geode.buffer; |
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245 | |||
246 | |||
247 | geode.prd_dma = (((addr_t)prd_tab) & 4095) + GetPgAddr((void*)prd_tab); |
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248 | |||
249 | prd_tab[0].ulPhysAddr = dma; |
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250 | |||
251 | |||
252 | prd_tab[1].ulPhysAddr = dma + 16384; |
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253 | |||
254 | |||
255 | prd_tab[2].ulPhysAddr = dma + 16384*2; |
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256 | |||
257 | |||
258 | prd_tab[3].ulPhysAddr = dma + 16384*3; |
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259 | |||
260 | |||
261 | prd_tab[4].ulPhysAddr = geode.prd_dma; |
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262 | |||
263 | |||
264 | ctrl_write_32(0x24, geode.prd_dma); |
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265 | |||
266 | __clear((void*)buffer,64*1024); |
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267 | |||
268 | |||
269 | // dbgprintf("Create primary buffer at %x dma at %x\n", geode.buffer, dma ); |
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270 | |||
271 | // dbgprintf("Set prd dma %x, read prd dma %x\n", geode.prd_dma, tmp); |
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272 | |||
273 | geode.irq_line = pciReadLong(geode.pciTag, 0x3C) & 0xFF; |
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274 | |||
275 | |||
276 | DBG("Irq line %d, mask %x\n", geode.irq_line, geode.irq_mask); |
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277 | |||
278 | |||
279 | |||
280 | |||
281 | geode.PRDTableAddress = geode.F3BAR0+0x24; |
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282 | geode.DMAPointer = geode.F3BAR0+0x60; |
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283 | |||
284 | geode.IRQControlRegister = geode.F3BAR0+0x1C; |
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285 | |||
286 | geode.SMI_StatusRegister = geode.F3BAR0+0x21; |
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287 | */ |
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288 | |||
289 | |||
290 | |||
291 | |||
292 | |||
293 | |||
294 | DBG("reset codec...\n"); |
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295 | |||
296 | ctrl_write_32(CODEC_CONTROL_REG_5535, 0x00030000 ); |
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297 | |||
298 | if (!snd_hw_WaitForBit (CODEC_STATUS_REG_5535, BIT_CODEC_READY, SET, 40, NULL)) |
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299 | |||
300 | DBG("Primary Codec NOT Ready...Aborting\n"); |
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301 | return FALSE; |
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302 | } |
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303 | |||
304 | u16_t id7c, id7e; |
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305 | |||
1029 | serge | 306 | id7c = snd_hw_CodecRead(AD1819A_VENDORID1); |
307 | |||
308 | |||
309 | dbgprintf("codec id 0x7C %x 0x7E %x\n", id7c, id7e); |
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310 | |||
311 | /*Check which codec is being used */ |
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312 | |||
981 | serge | 313 | (id7e == 0x5303) ) |
1029 | serge | 314 | { |
315 | geode.fAD1819A = TRUE; |
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981 | serge | 316 | /* Enable non-48kHz sample rates. */ |
317 | snd_hw_CodecWrite (AD1819A_SER_CONF, |
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318 | snd_hw_CodecRead(AD1819A_SER_CONF>>8) | |
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319 | AD1819A_SER_CONF_DRQEN); |
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320 | DBG("detect AD1819A audio codec\n"); |
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321 | } |
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322 | else |
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323 | { |
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324 | geode.fAD1819A = FALSE; |
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325 | snd_hw_CodecWrite(EXT_AUDIO_CTRL_STAT, |
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326 | (snd_hw_CodecRead(EXT_AUDIO_CTRL_STAT) | 0x0001)); |
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1029 | serge | 327 | /* set the VRA bit to ON*/ |
981 | serge | 328 | } |
329 | |||
330 | /* set default volume*/ |
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331 | |||
332 | snd_hw_CodecWrite( PCM_OUT_VOL, 0x0606); |
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1029 | serge | 333 | snd_hw_CodecWrite( PC_BEEP_VOLUME, 0x0000); |
334 | snd_hw_CodecWrite( PHONE_VOLUME, 0x0606); |
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981 | serge | 335 | snd_hw_CodecWrite( MIC_VOLUME, 0x8048); |
1029 | serge | 336 | snd_hw_CodecWrite( LINE_IN_VOLUME, 0x0808); |
981 | serge | 337 | snd_hw_CodecWrite( CD_VOLUME, 0x8000); |
338 | snd_hw_CodecWrite( VIDEO_VOLUME, 0x8000); |
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339 | snd_hw_CodecWrite( TV_VOLUME, 0x8000); |
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340 | snd_hw_CodecWrite( RECORD_SELECT, 0x0000); |
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341 | snd_hw_CodecWrite( RECORD_GAIN, 0x0a0a); |
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342 | snd_hw_CodecWrite( GENERAL_PURPOSE, 0x0200); |
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343 | snd_hw_CodecWrite( MASTER_VOLUME_MONO, 0x0000); |
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344 | |||
345 | snd_hw_SetCodecRate(48000); |
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346 | |||
347 | snd_hw_CodecWrite (POWERDOWN_CTRL_STAT, 0x0000); |
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348 | geode.CurrentPowerState = GEODEAUDIO_D0; |
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349 | // OS_DbgMsg("<--snd_hw_InitAudioRegs\n"); |
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350 | |||
351 | |||
352 | |||
353 | |||
354 | |||
355 | static int snd_StartDMA () |
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356 | |||
357 | |||
358 | #ifdef FORCED_PIO |
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359 | |||
360 | #else |
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361 | if (geode.is_iomapped) |
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362 | out8( (u16_t)(geode.F3BAR0+0x20),PCI_READS | ENABLE_BUSMASTER); |
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363 | else |
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364 | *(u8_t*)(geode.F3BAR0+0x20)= PCI_READS | ENABLE_BUSMASTER; |
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365 | #endif |
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366 | return 0; |
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367 | }; |
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368 | |||
369 | static u8_t snd_hw_InterruptID () |
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370 | |||
371 | volatile u8_t *TempInterruptID, ID; |
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372 | |||
373 | #ifdef FORCED_PIO |
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374 | |||
375 | #else |
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376 | if (geode.is_iomapped) |
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377 | ID=(u8_t) in16((u16_t)(geode.F3BAR0 + 0x12)); |
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378 | else |
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379 | { |
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380 | TempInterruptID=(u8_t*)(geode.F3BAR0 + 0x12); |
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381 | ID=*TempInterruptID; |
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382 | } |
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383 | #endif |
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384 | return (ID); |
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385 | } |
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386 | |||
387 | |||
388 | |||
389 | |||
390 | volatile u8_t status; /*Volatile to force read-to-clear.*/ |
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391 | |||
392 | /*Read to clear*/ |
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393 | |||
394 | #ifdef FORCED_PIO |
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395 | |||
396 | #else |
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397 | if (geode.is_iomapped) |
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398 | status = in8((u16_t) geode.F3BAR0 + 0x21); |
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399 | else |
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400 | status = *((u8_t*)geode.F3BAR0 + 0x21); |
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401 | #endif |
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402 | return status; |
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403 | } |
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404 | |||
405 | |||
406 | |||
407 | |||
408 | u8_t IntID; |
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409 | |||
410 | IntID = snd_hw_InterruptID(); |
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411 | |||
412 | // dbgprintf("IRQ id %x\n", IntID); |
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413 | |||
414 | snd_hw_ClearStat(CHANNEL0_PLAYBACK); |
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415 | |||
416 | |||
417 | if(IntID & BM0_IRQ) |
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418 | |||
419 | addr_t prd, offset, base; |
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420 | |||
421 | prd = ctrl_read_32(0x24); |
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422 | |||
423 | |||
424 | base = geode.buffer + 16384*offset; |
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425 | |||
426 | geode.callback(base); |
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427 | |||
428 | |||
429 | // dbgprintf(">>BM0_IRQ prd %x offset %x base %x\n", prd, offset, base); |
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430 | |||
431 | }; |
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432 | |||
433 | Bool FindPciDevice() |
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434 | |||
435 | u32_t bus, last_bus; |
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436 | PCITAG tag; |
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437 | |||
438 | if( (last_bus = PciApi(1))==-1) |
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439 | |||
440 | |||
441 | for(bus=0;bus<=last_bus;bus++) |
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442 | |||
443 | u32_t devfn; |
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444 | |||
445 | for(devfn=0;devfn<256;devfn++) |
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446 | |||
447 | u32_t pciId=0; |
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448 | |||
449 | pciId = PciRead32(bus,devfn, 0); |
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450 | |||
451 | if( (pciId == ID_DEV_1) || |
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452 | |||
453 | { |
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454 | DBG("detect companion audio device %x\n", pciId); |
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455 | geode.pciTag = pciTag(bus,(devfn>>3)&0x1F,devfn&0x7); |
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456 | return TRUE; |
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457 | }; |
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458 | }; |
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459 | }; |
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460 | return FALSE; |
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461 | }; |
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462 | |||
463 | |||
464 | |||
465 | |||
1692 | serge | 466 | u32_t retval; |
981 | serge | 467 | |
468 | int i; |
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469 | |||
470 | if(action != 1) |
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471 | |||
472 | |||
473 | if(!dbg_open("/rd/1/drivers/geode.log")) |
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474 | |||
475 | printf("Can't open /rd/1/drivers/geode.log\nExit\n"); |
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476 | return 0; |
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477 | } |
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478 | |||
479 | if( FindPciDevice() == FALSE) |
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480 | |||
481 | dbgprintf("Device not found\n"); |
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482 | return 0; |
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1692 | serge | 483 | }; |
981 | serge | 484 | |
485 | init_device(); |
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486 | |||
487 | retval = RegService("SOUND", srv_sound); |
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488 | |||
489 | AttachIntHandler(geode.irq_line, snd_interrupt, 0); |
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490 | |||
491 | DBG("reg service %s as: %x\n", "SOUND", retval); |
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492 | |||
493 | return retval; |
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494 | |||
495 | |||
496 | |||
497 | |||
498 | |||
499 | #define SRV_GETVERSION 0 |
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500 | |||
501 | #define DEV_STOP 2 |
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502 | #define DEV_CALLBACK 3 |
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503 | #define DEV_SET_BUFF 4 |
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504 | #define DEV_NOTIFY 5 |
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505 | #define DEV_SET_MASTERVOL 6 |
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506 | #define DEV_GET_MASTERVOL 7 |
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507 | #define DEV_GET_INFO 8 |
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508 | #define DEV_GET_POS 9 |
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509 | |||
1692 | serge | 510 | int __stdcall srv_sound(ioctl_t *io) |
981 | serge | 511 | |
512 | u32_t *inp; |
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513 | u32_t *outp; |
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514 | |||
515 | inp = io->input; |
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516 | |||
517 | |||
518 | switch(io->io_code) |
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519 | |||
520 | case SRV_GETVERSION: |
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521 | if(io->out_size==4) |
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522 | { |
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523 | *outp = API_VERSION; |
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524 | return 0; |
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525 | } |
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526 | break; |
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527 | |||
528 | case DEV_PLAY: |
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529 | |||
530 | break; |
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531 | |||
532 | case DEV_STOP: |
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533 | |||
534 | |||
535 | case DEV_CALLBACK: |
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536 | |||
537 | { |
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538 | geode.callback = (void*)(*inp); |
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539 | return 0; |
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540 | } |
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541 | break; |
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542 | |||
543 | case DEV_GET_POS: |
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544 | |||
1692 | serge | 545 | { |
546 | *outp = ctrl_read_32(0x60)>>2; |
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547 | return 0; |
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548 | } |
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549 | break; |
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550 | |||
551 | default: |
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552 | |||
981 | serge | 553 | }; |
554 | return ERR_PARAM; |
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555 | }256;devfn++) |
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556 | >=last_bus;bus++) |
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557 | >--snd_hw_InitAudioRegs\n"); |
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558 | |||
559 |