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Rev | Author | Line No. | Line |
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981 | serge | 1 | |
2 | |||
3 | #include "types.h" |
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4 | |||
5 | #include "pci.h" |
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6 | |||
7 | |||
8 | #include "geode.h" |
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9 | |||
10 | #define DEBUG |
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11 | |||
1029 | serge | 12 | #ifdef DEBUG |
13 | |||
981 | serge | 14 | #else |
15 | #define DBG(format,...) |
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16 | #endif |
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17 | |||
18 | #define BM0_IRQ 0x04 |
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19 | |||
20 | #define BITS_8_TO_16(x) ( ( (long) ((unsigned char) x - 128) ) << 8 ) |
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21 | |||
22 | #define PCI_VENDOR_ID_NS 0x100b |
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23 | |||
24 | |||
25 | |||
26 | |||
27 | |||
28 | #endif |
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29 | #ifndef PCI_DEVICE_ID_AMD_CS5536_AUDIO |
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30 | #define PCI_DEVICE_ID_AMD_CS5536_AUDIO 0x2093 |
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31 | #endif |
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32 | |||
33 | #define ID_DEV_1 ((PCI_DEVICE_ID_NS_CS5535_AUDIO << 16)|PCI_VENDOR_ID_NS) |
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34 | |||
35 | |||
36 | #define SET 1 |
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37 | |||
38 | |||
39 | int __stdcall srv_sound(ioctl_t *io); |
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40 | |||
41 | |||
42 | |||
43 | |||
44 | |||
45 | |||
46 | |||
47 | PCITAG pciTag; |
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48 | Bool is_iomapped; |
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49 | addr_t F3BAR0; |
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50 | |||
51 | Bool fAD1819A; |
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52 | |||
53 | int CurrentPowerState; |
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54 | |||
55 | addr_t buffer; |
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56 | |||
57 | |||
58 | addr_t irq_line; |
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59 | |||
60 | |||
61 | void __stdcall (*callback)(addr_t buffer); |
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62 | |||
63 | |||
64 | geode_t geode; |
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65 | |||
66 | |||
67 | |||
68 | |||
69 | reg+= geode.F3BAR0; |
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70 | |||
71 | #ifdef FORCED_PIO |
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72 | |||
73 | #else |
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74 | if(geode.is_iomapped) |
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75 | out32((u16_t)reg, data); |
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76 | else |
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77 | *(u32_t*)reg = data; |
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78 | #endif |
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79 | } |
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80 | |||
81 | static inline u32_t ctrl_read_32(addr_t reg) |
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82 | |||
83 | reg+= geode.F3BAR0; |
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84 | #ifdef FORCED_PIO |
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85 | return in32((u16_t)reg); |
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86 | #else |
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87 | if(geode.is_iomapped) |
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88 | return in32((u16_t)reg); |
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89 | else |
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90 | return *(u32_t*)reg; |
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91 | #endif |
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92 | } |
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93 | |||
94 | |||
95 | |||
96 | |||
97 | |||
98 | count_t timeout, |
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99 | u32_t *pReturnValue) |
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100 | { |
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101 | volatile u32_t tmp; |
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102 | |||
103 | tmp = ctrl_read_32(offset); |
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104 | |||
105 | while (timeout) |
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106 | |||
107 | if (Operation==CLEAR){ |
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108 | if (!(tmp & Bit)) |
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109 | break; |
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110 | } else if (tmp & Bit) |
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111 | break; |
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112 | |||
113 | /*If the Bit is not clear yet, we wait for 10 milisecond and try again*/ |
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114 | |||
115 | |||
116 | tmp = ctrl_read_32(offset); |
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117 | |||
118 | timeout--; |
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119 | |||
120 | |||
121 | if (pReturnValue) |
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122 | |||
123 | |||
124 | if (!timeout) |
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125 | |||
126 | |||
127 | return TRUE; |
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128 | |||
129 | |||
130 | u16_t snd_hw_CodecRead ( u8_t CodecRegister ) |
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131 | |||
132 | u32_t CodecRegister_data = 0; |
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133 | u32_t timeout=10; |
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134 | volatile u32_t val=0; |
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135 | |||
136 | CodecRegister_data = ((u32_t)CodecRegister)<<24; |
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137 | |||
138 | |||
139 | /* Set the bit. We are going to access the CODEC...*/ |
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140 | |||
141 | |||
142 | /*Request the data*/ |
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143 | |||
144 | |||
145 | /* Now we need to wait for BIT_5535_CODEC_COMMAND_NEW of the Codec control register to clear |
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146 | |||
147 | if (!snd_hw_WaitForBit (CODEC_CONTROL_REG_5535, |
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148 | BIT_5535_CODEC_COMMAND_NEW, CLEAR, 50, NULL)) |
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149 | DBG("BIT_5535_CODEC_COMMAND_NEW did not clear!!\n"); |
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150 | |||
151 | /* Wait for CODEC_STATUS_NEW and confirm the read of the requested register*/ |
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152 | |||
153 | do |
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154 | { |
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155 | val = ctrl_read_32(CODEC_STATUS_REG_5535); |
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156 | if ((val & BIT_5535_CODEC_STATUS_NEW) && |
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157 | ((u32_t) CodecRegister == ((0xFF000000 & val)>>24))) |
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158 | break; |
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159 | else |
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160 | /*Wait for 10 miliseconds and try again*/ |
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161 | delay(10/10); |
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162 | } while ( --timeout); |
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163 | |||
164 | if (!timeout) |
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165 | |||
166 | |||
167 | return( (u16_t)val ); |
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168 | |||
169 | |||
170 | void snd_hw_CodecWrite( u8_t CodecRegister, u16_t CodecData ) |
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171 | |||
172 | u32_t CodecRegister_data; |
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173 | u32_t Temp, timeout; |
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174 | |||
175 | CodecRegister_data = ((u32_t) CodecRegister)<<24; |
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176 | |||
177 | CodecRegister_data &= CODEC_COMMAND_MASK; |
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178 | |||
179 | /*Set the bit. We are going to access the CODEC...*/ |
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180 | |||
181 | |||
182 | /*Write the data*/ |
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183 | |||
184 | //OS_DbgMsg("Writing: %08X\n", CodecRegister_data); |
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185 | |||
186 | /*We need to wait for bit16 of the Codec control register to clear*/ |
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187 | |||
188 | |||
189 | timeout = 50; |
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190 | |||
191 | while ((Temp & BIT_5535_CODEC_COMMAND_NEW) && timeout-- ) |
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192 | |||
193 | |||
194 | if (!timeout) |
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195 | |||
196 | "BIT_5535_CODEC_COMMAND_NEW did not clear!\n"); |
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197 | } |
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198 | |||
199 | |||
200 | |||
201 | |||
202 | u16_t val; |
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203 | |||
204 | DBG("Rate: %d\n", SampleRate); |
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205 | |||
206 | /*If Double-Rate is supported (Bit 2 on register 28h)...*/ |
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207 | |||
208 | |||
209 | if (val & 0x02) |
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210 | |||
211 | DBG("Codec supports Double rate.\n"); |
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212 | val=snd_hw_CodecRead(EXT_AUDIO_CTRL_STAT); |
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213 | |||
214 | if (SampleRate>48000) |
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215 | |||
216 | snd_hw_CodecWrite(EXT_AUDIO_CTRL_STAT, (u16_t) (val|0x0002)); |
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217 | SampleRate/=2; |
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218 | } |
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219 | else |
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220 | snd_hw_CodecWrite(EXT_AUDIO_CTRL_STAT, (u16_t) (val&0xFFFD)); |
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221 | } |
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222 | if (geode.fAD1819A) |
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223 | { |
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224 | DBG("AD1819...\n"); |
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225 | snd_hw_CodecWrite(AD1819A_PCM_SR0,(u16_t)SampleRate); |
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226 | } |
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227 | else |
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228 | snd_hw_CodecWrite(PCM_FRONT_DAC_RATE,(u16_t)SampleRate); |
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229 | } |
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230 | |||
231 | Bool init_device() |
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232 | |||
233 | u32_t io_base = pciReadLong(geode.pciTag, 0x10); |
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234 | |||
235 | if( PCI_MAP_IS_IO(io_base)) |
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236 | |||
237 | geode.is_iomapped = TRUE; |
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238 | geode.F3BAR0 = PCIGETIO(io_base); |
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239 | DBG("io mapped F3BAR0 %x\n", geode.F3BAR0); |
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240 | } |
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241 | else if(PCI_MAP_IS_MEM(io_base)) |
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242 | { |
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243 | geode.is_iomapped = FALSE; |
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244 | io_base = PCIGETMEMORY(io_base); |
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245 | geode.F3BAR0 = MapIoMem(io_base, 128, PG_SW+PG_NOCACHE); |
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246 | DBG("memory mapped F3BAR0 %x\n", geode.F3BAR0); |
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247 | } |
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248 | |||
249 | geode.buffer = KernelAlloc(64*1024); |
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250 | |||
251 | addr_t buffer = geode.buffer; |
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252 | |||
253 | |||
254 | geode.prd_dma = (((addr_t)prd_tab) & 4095) + GetPgAddr((void*)prd_tab); |
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255 | |||
256 | prd_tab[0].ulPhysAddr = dma; |
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257 | |||
258 | |||
259 | prd_tab[1].ulPhysAddr = dma + 16384; |
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260 | |||
261 | |||
262 | prd_tab[2].ulPhysAddr = dma + 16384*2; |
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263 | |||
264 | |||
265 | prd_tab[3].ulPhysAddr = dma + 16384*3; |
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266 | |||
267 | |||
268 | prd_tab[4].ulPhysAddr = geode.prd_dma; |
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269 | |||
270 | |||
271 | ctrl_write_32(0x24, geode.prd_dma); |
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272 | |||
273 | __clear((void*)buffer,64*1024); |
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274 | |||
275 | |||
276 | // dbgprintf("Create primary buffer at %x dma at %x\n", geode.buffer, dma ); |
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277 | |||
278 | // dbgprintf("Set prd dma %x, read prd dma %x\n", geode.prd_dma, tmp); |
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279 | |||
280 | geode.irq_line = pciReadLong(geode.pciTag, 0x3C) & 0xFF; |
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281 | |||
282 | |||
283 | DBG("Irq line %d, mask %x\n", geode.irq_line, geode.irq_mask); |
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284 | |||
285 | |||
286 | |||
287 | |||
288 | geode.PRDTableAddress = geode.F3BAR0+0x24; |
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289 | geode.DMAPointer = geode.F3BAR0+0x60; |
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290 | |||
291 | geode.IRQControlRegister = geode.F3BAR0+0x1C; |
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292 | |||
293 | geode.SMI_StatusRegister = geode.F3BAR0+0x21; |
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294 | */ |
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295 | |||
296 | |||
297 | |||
298 | |||
299 | |||
300 | |||
301 | DBG("reset codec...\n"); |
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302 | |||
303 | ctrl_write_32(CODEC_CONTROL_REG_5535, 0x00030000 ); |
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304 | |||
305 | if (!snd_hw_WaitForBit (CODEC_STATUS_REG_5535, BIT_CODEC_READY, SET, 40, NULL)) |
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306 | |||
307 | DBG("Primary Codec NOT Ready...Aborting\n"); |
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308 | return FALSE; |
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309 | } |
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310 | |||
311 | u16_t id7c, id7e; |
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312 | |||
1029 | serge | 313 | id7c = snd_hw_CodecRead(AD1819A_VENDORID1); |
314 | |||
315 | |||
316 | dbgprintf("codec id 0x7C %x 0x7E %x\n", id7c, id7e); |
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317 | |||
318 | /*Check which codec is being used */ |
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319 | |||
981 | serge | 320 | (id7e == 0x5303) ) |
1029 | serge | 321 | { |
322 | geode.fAD1819A = TRUE; |
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981 | serge | 323 | /* Enable non-48kHz sample rates. */ |
324 | snd_hw_CodecWrite (AD1819A_SER_CONF, |
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325 | snd_hw_CodecRead(AD1819A_SER_CONF>>8) | |
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326 | AD1819A_SER_CONF_DRQEN); |
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327 | DBG("detect AD1819A audio codec\n"); |
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328 | } |
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329 | else |
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330 | { |
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331 | geode.fAD1819A = FALSE; |
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332 | snd_hw_CodecWrite(EXT_AUDIO_CTRL_STAT, |
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333 | (snd_hw_CodecRead(EXT_AUDIO_CTRL_STAT) | 0x0001)); |
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1029 | serge | 334 | /* set the VRA bit to ON*/ |
981 | serge | 335 | } |
336 | |||
337 | /* set default volume*/ |
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338 | |||
339 | snd_hw_CodecWrite( PCM_OUT_VOL, 0x0606); |
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1029 | serge | 340 | snd_hw_CodecWrite( PC_BEEP_VOLUME, 0x0000); |
341 | snd_hw_CodecWrite( PHONE_VOLUME, 0x0606); |
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981 | serge | 342 | snd_hw_CodecWrite( MIC_VOLUME, 0x8048); |
1029 | serge | 343 | snd_hw_CodecWrite( LINE_IN_VOLUME, 0x0808); |
981 | serge | 344 | snd_hw_CodecWrite( CD_VOLUME, 0x8000); |
345 | snd_hw_CodecWrite( VIDEO_VOLUME, 0x8000); |
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346 | snd_hw_CodecWrite( TV_VOLUME, 0x8000); |
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347 | snd_hw_CodecWrite( RECORD_SELECT, 0x0000); |
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348 | snd_hw_CodecWrite( RECORD_GAIN, 0x0a0a); |
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349 | snd_hw_CodecWrite( GENERAL_PURPOSE, 0x0200); |
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350 | snd_hw_CodecWrite( MASTER_VOLUME_MONO, 0x0000); |
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351 | |||
352 | snd_hw_SetCodecRate(48000); |
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353 | |||
354 | snd_hw_CodecWrite (POWERDOWN_CTRL_STAT, 0x0000); |
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355 | geode.CurrentPowerState = GEODEAUDIO_D0; |
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356 | // OS_DbgMsg("<--snd_hw_InitAudioRegs\n"); |
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357 | |||
358 | |||
359 | |||
360 | |||
361 | |||
362 | static int snd_StartDMA () |
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363 | |||
364 | |||
365 | #ifdef FORCED_PIO |
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366 | |||
367 | #else |
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368 | if (geode.is_iomapped) |
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369 | out8( (u16_t)(geode.F3BAR0+0x20),PCI_READS | ENABLE_BUSMASTER); |
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370 | else |
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371 | *(u8_t*)(geode.F3BAR0+0x20)= PCI_READS | ENABLE_BUSMASTER; |
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372 | #endif |
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373 | return 0; |
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374 | }; |
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375 | |||
376 | static u8_t snd_hw_InterruptID () |
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377 | |||
378 | volatile u8_t *TempInterruptID, ID; |
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379 | |||
380 | #ifdef FORCED_PIO |
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381 | |||
382 | #else |
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383 | if (geode.is_iomapped) |
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384 | ID=(u8_t) in16((u16_t)(geode.F3BAR0 + 0x12)); |
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385 | else |
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386 | { |
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387 | TempInterruptID=(u8_t*)(geode.F3BAR0 + 0x12); |
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388 | ID=*TempInterruptID; |
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389 | } |
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390 | #endif |
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391 | return (ID); |
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392 | } |
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393 | |||
394 | |||
395 | |||
396 | |||
397 | volatile u8_t status; /*Volatile to force read-to-clear.*/ |
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398 | |||
399 | /*Read to clear*/ |
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400 | |||
401 | #ifdef FORCED_PIO |
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402 | |||
403 | #else |
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404 | if (geode.is_iomapped) |
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405 | status = in8((u16_t) geode.F3BAR0 + 0x21); |
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406 | else |
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407 | status = *((u8_t*)geode.F3BAR0 + 0x21); |
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408 | #endif |
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409 | return status; |
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410 | } |
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411 | |||
412 | |||
413 | |||
414 | |||
415 | u8_t IntID; |
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416 | |||
417 | IntID = snd_hw_InterruptID(); |
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418 | |||
419 | // dbgprintf("IRQ id %x\n", IntID); |
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420 | |||
421 | snd_hw_ClearStat(CHANNEL0_PLAYBACK); |
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422 | |||
423 | |||
424 | if(IntID & BM0_IRQ) |
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425 | |||
426 | addr_t prd, offset, base; |
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427 | |||
428 | prd = ctrl_read_32(0x24); |
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429 | |||
430 | |||
431 | base = geode.buffer + 16384*offset; |
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432 | |||
433 | geode.callback(base); |
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434 | |||
435 | |||
436 | // dbgprintf(">>BM0_IRQ prd %x offset %x base %x\n", prd, offset, base); |
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437 | |||
438 | }; |
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439 | |||
440 | Bool FindPciDevice() |
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441 | |||
442 | u32_t bus, last_bus; |
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443 | PCITAG tag; |
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444 | |||
445 | if( (last_bus = PciApi(1))==-1) |
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446 | |||
447 | |||
448 | for(bus=0;bus<=last_bus;bus++) |
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449 | |||
450 | u32_t devfn; |
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451 | |||
452 | for(devfn=0;devfn<256;devfn++) |
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453 | |||
454 | u32_t pciId=0; |
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455 | |||
456 | pciId = PciRead32(bus,devfn, 0); |
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457 | |||
458 | if( (pciId == ID_DEV_1) || |
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459 | |||
460 | { |
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461 | DBG("detect companion audio device %x\n", pciId); |
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462 | geode.pciTag = pciTag(bus,(devfn>>3)&0x1F,devfn&0x7); |
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463 | return TRUE; |
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464 | }; |
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465 | }; |
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466 | }; |
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467 | return FALSE; |
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468 | }; |
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469 | |||
470 | |||
471 | |||
472 | |||
473 | u32_t retval; |
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474 | |||
475 | int i; |
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476 | |||
477 | if(action != 1) |
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478 | |||
479 | |||
480 | #ifdef DEBUG |
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481 | |||
482 | { |
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483 | printf("Can't open /rd/1/drivers/geode.log\nExit\n"); |
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484 | return 0; |
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485 | } |
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486 | #endif |
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487 | |||
488 | if( FindPciDevice() == FALSE) |
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489 | |||
490 | DBG("Device not found\n"); |
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491 | return 0; |
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492 | }; |
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493 | |||
494 | init_device(); |
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495 | |||
496 | retval = RegService("SOUND", srv_sound); |
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497 | |||
498 | AttachIntHandler(geode.irq_line, snd_interrupt, 0); |
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499 | |||
500 | DBG("reg service %s as: %x\n", "SOUND", retval); |
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501 | |||
502 | return retval; |
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503 | |||
504 | |||
505 | |||
506 | |||
507 | |||
508 | #define SRV_GETVERSION 0 |
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509 | |||
510 | #define DEV_STOP 2 |
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511 | #define DEV_CALLBACK 3 |
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512 | #define DEV_SET_BUFF 4 |
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513 | #define DEV_NOTIFY 5 |
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514 | #define DEV_SET_MASTERVOL 6 |
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515 | #define DEV_GET_MASTERVOL 7 |
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516 | #define DEV_GET_INFO 8 |
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517 | |||
518 | |||
519 | |||
520 | |||
521 | u32_t *inp; |
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522 | u32_t *outp; |
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523 | |||
524 | inp = io->input; |
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525 | |||
526 | |||
527 | switch(io->io_code) |
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528 | |||
529 | case SRV_GETVERSION: |
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530 | if(io->out_size==4) |
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531 | { |
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532 | *outp = API_VERSION; |
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533 | return 0; |
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534 | } |
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535 | break; |
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536 | |||
537 | case DEV_PLAY: |
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538 | |||
539 | break; |
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540 | |||
541 | case DEV_STOP: |
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542 | |||
543 | |||
544 | case DEV_CALLBACK: |
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545 | |||
546 | { |
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547 | geode.callback = (void*)(*inp); |
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548 | return 0; |
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549 | } |
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550 | break; |
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551 | |||
552 | default: |
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553 | |||
554 | }; |
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555 | return ERR_PARAM; |
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556 | }256;devfn++) |
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557 | >=last_bus;bus++) |
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558 | >--snd_hw_InitAudioRegs\n"); |
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559 | |||
560 |