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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 | |||
2968 | Serge | 11 | |
12 | #define BM0_IRQ 0x04 |
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1029 | serge | 13 | |
981 | serge | 14 | #define BITS_8_TO_16(x) ( ( (long) ((unsigned char) x - 128) ) << 8 ) |
15 | |||
16 | #define PCI_VENDOR_ID_NS 0x100b |
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17 | |||
18 | |||
19 | |||
20 | |||
21 | |||
22 | #endif |
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23 | #ifndef PCI_DEVICE_ID_AMD_CS5536_AUDIO |
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24 | #define PCI_DEVICE_ID_AMD_CS5536_AUDIO 0x2093 |
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25 | #endif |
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26 | |||
27 | #define ID_DEV_1 ((PCI_DEVICE_ID_NS_CS5535_AUDIO << 16)|PCI_VENDOR_ID_NS) |
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28 | |||
29 | |||
30 | #define SET 1 |
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31 | |||
32 | |||
33 | int __stdcall srv_sound(ioctl_t *io); |
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34 | |||
35 | |||
36 | |||
37 | |||
38 | |||
39 | |||
40 | |||
41 | PCITAG pciTag; |
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42 | Bool is_iomapped; |
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43 | addr_t F3BAR0; |
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44 | |||
45 | Bool fAD1819A; |
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46 | |||
47 | int CurrentPowerState; |
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48 | |||
49 | addr_t buffer; |
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50 | |||
51 | addr_t prd_dma; |
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1695 | serge | 52 | |
981 | serge | 53 | addr_t irq_line; |
54 | |||
55 | |||
56 | void __stdcall (*callback)(addr_t buffer); |
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57 | |||
58 | |||
59 | geode_t geode; |
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60 | |||
61 | |||
62 | |||
63 | |||
64 | reg+= geode.F3BAR0; |
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65 | |||
66 | #ifdef FORCED_PIO |
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67 | |||
68 | #else |
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69 | if(geode.is_iomapped) |
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70 | out32((u16_t)reg, data); |
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71 | else |
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72 | *(u32_t*)reg = data; |
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73 | #endif |
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74 | } |
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75 | |||
76 | static inline u32_t ctrl_read_32(addr_t reg) |
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77 | |||
78 | reg+= geode.F3BAR0; |
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79 | #ifdef FORCED_PIO |
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80 | return in32((u16_t)reg); |
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81 | #else |
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82 | if(geode.is_iomapped) |
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83 | return in32((u16_t)reg); |
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84 | else |
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85 | return *(u32_t*)reg; |
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86 | #endif |
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87 | } |
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88 | |||
89 | |||
90 | |||
91 | |||
92 | |||
93 | count_t timeout, |
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94 | u32_t *pReturnValue) |
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95 | { |
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96 | volatile u32_t tmp; |
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97 | |||
98 | tmp = ctrl_read_32(offset); |
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99 | |||
100 | while (timeout) |
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101 | |||
102 | if (Operation==CLEAR){ |
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103 | if (!(tmp & Bit)) |
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104 | break; |
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105 | } else if (tmp & Bit) |
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106 | break; |
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107 | |||
108 | /*If the Bit is not clear yet, we wait for 10 milisecond and try again*/ |
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109 | |||
110 | |||
111 | tmp = ctrl_read_32(offset); |
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112 | |||
113 | timeout--; |
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114 | |||
115 | |||
116 | if (pReturnValue) |
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117 | |||
118 | |||
119 | if (!timeout) |
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120 | |||
121 | |||
122 | return TRUE; |
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123 | |||
124 | |||
125 | u16_t snd_hw_CodecRead ( u8_t CodecRegister ) |
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126 | |||
127 | u32_t CodecRegister_data = 0; |
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128 | u32_t timeout=10; |
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129 | volatile u32_t val=0; |
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130 | |||
131 | CodecRegister_data = ((u32_t)CodecRegister)<<24; |
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132 | |||
133 | |||
134 | /* Set the bit. We are going to access the CODEC...*/ |
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135 | |||
136 | |||
137 | /*Request the data*/ |
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138 | |||
139 | |||
140 | /* Now we need to wait for BIT_5535_CODEC_COMMAND_NEW of the Codec control register to clear |
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141 | |||
142 | if (!snd_hw_WaitForBit (CODEC_CONTROL_REG_5535, |
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143 | BIT_5535_CODEC_COMMAND_NEW, CLEAR, 50, NULL)) |
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144 | DBG("BIT_5535_CODEC_COMMAND_NEW did not clear!!\n"); |
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145 | |||
146 | /* Wait for CODEC_STATUS_NEW and confirm the read of the requested register*/ |
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147 | |||
148 | do |
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149 | { |
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150 | val = ctrl_read_32(CODEC_STATUS_REG_5535); |
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151 | if ((val & BIT_5535_CODEC_STATUS_NEW) && |
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152 | ((u32_t) CodecRegister == ((0xFF000000 & val)>>24))) |
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153 | break; |
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154 | else |
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155 | /*Wait for 10 miliseconds and try again*/ |
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156 | delay(10/10); |
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157 | } while ( --timeout); |
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158 | |||
159 | if (!timeout) |
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160 | |||
161 | |||
162 | return( (u16_t)val ); |
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163 | |||
164 | |||
165 | void snd_hw_CodecWrite( u8_t CodecRegister, u16_t CodecData ) |
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166 | |||
167 | u32_t CodecRegister_data; |
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168 | u32_t Temp, timeout; |
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169 | |||
170 | CodecRegister_data = ((u32_t) CodecRegister)<<24; |
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171 | |||
172 | CodecRegister_data &= CODEC_COMMAND_MASK; |
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173 | |||
174 | /*Set the bit. We are going to access the CODEC...*/ |
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175 | |||
176 | |||
177 | /*Write the data*/ |
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178 | |||
179 | //OS_DbgMsg("Writing: %08X\n", CodecRegister_data); |
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180 | |||
181 | /*We need to wait for bit16 of the Codec control register to clear*/ |
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182 | |||
183 | |||
184 | timeout = 50; |
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185 | |||
186 | while ((Temp & BIT_5535_CODEC_COMMAND_NEW) && timeout-- ) |
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187 | |||
188 | |||
189 | if (!timeout) |
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190 | |||
191 | "BIT_5535_CODEC_COMMAND_NEW did not clear!\n"); |
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192 | } |
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193 | |||
194 | |||
195 | |||
196 | |||
197 | u16_t val; |
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198 | |||
199 | DBG("Rate: %d\n", SampleRate); |
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200 | |||
201 | /*If Double-Rate is supported (Bit 2 on register 28h)...*/ |
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202 | |||
203 | |||
204 | if (val & 0x02) |
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205 | |||
206 | DBG("Codec supports Double rate.\n"); |
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207 | val=snd_hw_CodecRead(EXT_AUDIO_CTRL_STAT); |
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208 | |||
209 | if (SampleRate>48000) |
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210 | |||
211 | snd_hw_CodecWrite(EXT_AUDIO_CTRL_STAT, (u16_t) (val|0x0002)); |
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212 | SampleRate/=2; |
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213 | } |
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214 | else |
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215 | snd_hw_CodecWrite(EXT_AUDIO_CTRL_STAT, (u16_t) (val&0xFFFD)); |
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216 | } |
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217 | if (geode.fAD1819A) |
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218 | { |
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219 | DBG("AD1819...\n"); |
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220 | snd_hw_CodecWrite(AD1819A_PCM_SR0,(u16_t)SampleRate); |
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221 | } |
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222 | else |
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223 | snd_hw_CodecWrite(PCM_FRONT_DAC_RATE,(u16_t)SampleRate); |
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224 | } |
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225 | |||
226 | Bool init_device() |
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227 | |||
228 | u32_t io_base = pciReadLong(geode.pciTag, 0x10); |
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229 | |||
230 | if( PCI_MAP_IS_IO(io_base)) |
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231 | |||
232 | geode.is_iomapped = TRUE; |
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233 | geode.F3BAR0 = PCIGETIO(io_base); |
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234 | DBG("io mapped F3BAR0 %x\n", geode.F3BAR0); |
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235 | } |
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236 | else if(PCI_MAP_IS_MEM(io_base)) |
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237 | { |
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238 | geode.is_iomapped = FALSE; |
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239 | io_base = PCIGETMEMORY(io_base); |
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240 | geode.F3BAR0 = MapIoMem(io_base, 128, PG_SW+PG_NOCACHE); |
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241 | DBG("memory mapped F3BAR0 %x\n", geode.F3BAR0); |
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242 | } |
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243 | |||
244 | geode.buffer = KernelAlloc(64*1024); |
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245 | |||
246 | addr_t buffer = geode.buffer; |
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247 | |||
248 | geode.buffer_dma = dma; |
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249 | |||
1695 | serge | 250 | geode.prd_dma = (((addr_t)prd_tab) & 4095) + GetPgAddr((void*)prd_tab); |
981 | serge | 251 | |
252 | prd_tab[0].ulPhysAddr = dma; |
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253 | |||
254 | |||
255 | prd_tab[1].ulPhysAddr = dma + 16384; |
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256 | |||
257 | |||
258 | prd_tab[2].ulPhysAddr = dma + 16384*2; |
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259 | |||
260 | |||
261 | prd_tab[3].ulPhysAddr = dma + 16384*3; |
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262 | |||
263 | |||
264 | prd_tab[4].ulPhysAddr = geode.prd_dma; |
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265 | |||
266 | |||
267 | ctrl_write_32(0x24, geode.prd_dma); |
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268 | |||
269 | __clear((void*)buffer,64*1024); |
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270 | |||
271 | |||
272 | // dbgprintf("Create primary buffer at %x dma at %x\n", geode.buffer, dma ); |
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273 | |||
274 | // dbgprintf("Set prd dma %x, read prd dma %x\n", geode.prd_dma, tmp); |
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275 | |||
276 | geode.irq_line = pciReadLong(geode.pciTag, 0x3C) & 0xFF; |
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277 | |||
278 | |||
279 | DBG("Irq line %d, mask %x\n", geode.irq_line, geode.irq_mask); |
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280 | |||
281 | |||
282 | |||
283 | |||
284 | geode.PRDTableAddress = geode.F3BAR0+0x24; |
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285 | geode.DMAPointer = geode.F3BAR0+0x60; |
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286 | |||
287 | geode.IRQControlRegister = geode.F3BAR0+0x1C; |
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288 | |||
289 | geode.SMI_StatusRegister = geode.F3BAR0+0x21; |
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290 | */ |
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291 | |||
292 | |||
293 | |||
294 | |||
295 | |||
296 | |||
297 | DBG("reset codec...\n"); |
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298 | |||
299 | ctrl_write_32(CODEC_CONTROL_REG_5535, 0x00030000 ); |
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300 | |||
301 | if (!snd_hw_WaitForBit (CODEC_STATUS_REG_5535, BIT_CODEC_READY, SET, 40, NULL)) |
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302 | |||
303 | DBG("Primary Codec NOT Ready...Aborting\n"); |
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304 | return FALSE; |
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305 | } |
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306 | |||
307 | u16_t id7c, id7e; |
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308 | |||
1029 | serge | 309 | id7c = snd_hw_CodecRead(AD1819A_VENDORID1); |
310 | |||
311 | |||
312 | dbgprintf("codec id 0x7C %x 0x7E %x\n", id7c, id7e); |
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313 | |||
314 | /*Check which codec is being used */ |
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315 | |||
981 | serge | 316 | (id7e == 0x5303) ) |
1029 | serge | 317 | { |
318 | geode.fAD1819A = TRUE; |
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981 | serge | 319 | /* Enable non-48kHz sample rates. */ |
320 | snd_hw_CodecWrite (AD1819A_SER_CONF, |
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321 | snd_hw_CodecRead(AD1819A_SER_CONF>>8) | |
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322 | AD1819A_SER_CONF_DRQEN); |
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323 | DBG("detect AD1819A audio codec\n"); |
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324 | } |
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325 | else |
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326 | { |
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327 | geode.fAD1819A = FALSE; |
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328 | snd_hw_CodecWrite(EXT_AUDIO_CTRL_STAT, |
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329 | (snd_hw_CodecRead(EXT_AUDIO_CTRL_STAT) | 0x0001)); |
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1029 | serge | 330 | /* set the VRA bit to ON*/ |
981 | serge | 331 | } |
332 | |||
333 | /* set default volume*/ |
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334 | |||
335 | snd_hw_CodecWrite( PCM_OUT_VOL, 0x0606); |
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1029 | serge | 336 | snd_hw_CodecWrite( PC_BEEP_VOLUME, 0x0000); |
337 | snd_hw_CodecWrite( PHONE_VOLUME, 0x0606); |
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981 | serge | 338 | snd_hw_CodecWrite( MIC_VOLUME, 0x8048); |
1029 | serge | 339 | snd_hw_CodecWrite( LINE_IN_VOLUME, 0x0808); |
981 | serge | 340 | snd_hw_CodecWrite( CD_VOLUME, 0x8000); |
341 | snd_hw_CodecWrite( VIDEO_VOLUME, 0x8000); |
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342 | snd_hw_CodecWrite( TV_VOLUME, 0x8000); |
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343 | snd_hw_CodecWrite( RECORD_SELECT, 0x0000); |
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344 | snd_hw_CodecWrite( RECORD_GAIN, 0x0a0a); |
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345 | snd_hw_CodecWrite( GENERAL_PURPOSE, 0x0200); |
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346 | snd_hw_CodecWrite( MASTER_VOLUME_MONO, 0x0000); |
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347 | |||
348 | snd_hw_SetCodecRate(48000); |
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349 | |||
350 | snd_hw_CodecWrite (POWERDOWN_CTRL_STAT, 0x0000); |
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351 | geode.CurrentPowerState = GEODEAUDIO_D0; |
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352 | // OS_DbgMsg("<--snd_hw_InitAudioRegs\n"); |
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353 | |||
354 | |||
355 | |||
356 | |||
357 | |||
358 | static int snd_StartDMA () |
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359 | |||
360 | |||
361 | #ifdef FORCED_PIO |
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362 | |||
363 | #else |
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364 | if (geode.is_iomapped) |
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365 | out8( (u16_t)(geode.F3BAR0+0x20),PCI_READS | ENABLE_BUSMASTER); |
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366 | else |
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367 | *(u8_t*)(geode.F3BAR0+0x20)= PCI_READS | ENABLE_BUSMASTER; |
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368 | #endif |
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369 | return 0; |
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370 | }; |
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371 | |||
372 | static u8_t snd_hw_InterruptID () |
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373 | |||
374 | volatile u8_t *TempInterruptID, ID; |
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375 | |||
376 | #ifdef FORCED_PIO |
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377 | |||
378 | #else |
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379 | if (geode.is_iomapped) |
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380 | ID=(u8_t) in16((u16_t)(geode.F3BAR0 + 0x12)); |
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381 | else |
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382 | { |
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383 | TempInterruptID=(u8_t*)(geode.F3BAR0 + 0x12); |
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384 | ID=*TempInterruptID; |
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385 | } |
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386 | #endif |
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387 | return (ID); |
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388 | } |
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389 | |||
390 | |||
391 | |||
392 | |||
393 | volatile u8_t status; /*Volatile to force read-to-clear.*/ |
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394 | |||
395 | /*Read to clear*/ |
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396 | |||
397 | #ifdef FORCED_PIO |
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398 | |||
399 | #else |
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400 | if (geode.is_iomapped) |
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401 | status = in8((u16_t) geode.F3BAR0 + 0x21); |
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402 | else |
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403 | status = *((u8_t*)geode.F3BAR0 + 0x21); |
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404 | #endif |
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405 | return status; |
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406 | } |
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407 | |||
408 | |||
409 | |||
410 | |||
411 | u8_t IntID; |
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412 | |||
413 | IntID = snd_hw_InterruptID(); |
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414 | |||
415 | // dbgprintf("IRQ id %x\n", IntID); |
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416 | |||
417 | snd_hw_ClearStat(CHANNEL0_PLAYBACK); |
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418 | |||
419 | |||
420 | if(IntID & BM0_IRQ) |
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421 | |||
422 | addr_t prd, offset, base; |
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423 | |||
424 | prd = ctrl_read_32(0x24); |
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425 | |||
426 | |||
427 | base = geode.buffer + 16384*offset; |
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428 | |||
429 | geode.callback(base); |
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430 | |||
431 | |||
432 | // dbgprintf(">>BM0_IRQ prd %x offset %x base %x\n", prd, offset, base); |
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433 | |||
434 | }; |
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435 | |||
436 | Bool FindPciDevice() |
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437 | |||
438 | u32_t bus, last_bus; |
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439 | PCITAG tag; |
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440 | |||
441 | if( (last_bus = PciApi(1))==-1) |
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442 | |||
443 | |||
444 | for(bus=0;bus<=last_bus;bus++) |
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445 | |||
446 | u32_t devfn; |
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447 | |||
448 | for(devfn=0;devfn<256;devfn++) |
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449 | |||
450 | u32_t pciId=0; |
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451 | |||
452 | pciId = PciRead32(bus,devfn, 0); |
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453 | |||
454 | if( (pciId == ID_DEV_1) || |
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455 | |||
456 | { |
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457 | DBG("detect companion audio device %x\n", pciId); |
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458 | geode.pciTag = pciTag(bus,(devfn>>3)&0x1F,devfn&0x7); |
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459 | return TRUE; |
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460 | }; |
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461 | }; |
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462 | }; |
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463 | return FALSE; |
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464 | }; |
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465 | |||
466 | |||
467 | |||
468 | |||
1692 | serge | 469 | u32_t retval; |
981 | serge | 470 | |
471 | int i; |
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472 | |||
473 | if(action != 1) |
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474 | |||
475 | |||
476 | if(!dbg_open(GEODE_LOG)) |
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477 | |||
9503 | turbocat | 478 | printf("Can't open %s\nExit\n", GEODE_LOG); |
981 | serge | 479 | return 0; |
9503 | turbocat | 480 | } |
981 | serge | 481 | |
482 | printf("AMD Geode CS5536 audio driver\n"); |
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483 | |||
1695 | serge | 484 | if( FindPciDevice() == FALSE) |
485 | |||
981 | serge | 486 | dbgprintf("Device not found\n"); |
487 | return 0; |
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1692 | serge | 488 | }; |
981 | serge | 489 | |
490 | init_device(); |
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491 | |||
492 | AttachIntHandler(geode.irq_line, snd_interrupt, 0); |
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493 | DBG("reg service %s as: %x\n", "SOUND", retval); |
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494 | return retval; |
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495 | }; |
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496 | |||
497 | |||
498 | |||
499 | |||
500 | #define SRV_GETVERSION 0 |
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501 | |||
502 | #define DEV_STOP 2 |
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503 | #define DEV_CALLBACK 3 |
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504 | #define DEV_SET_BUFF 4 |
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505 | #define DEV_NOTIFY 5 |
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506 | #define DEV_SET_MASTERVOL 6 |
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507 | #define DEV_GET_MASTERVOL 7 |
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508 | #define DEV_GET_INFO 8 |
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509 | #define DEV_GET_POS 9 |
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510 | |||
1692 | serge | 511 | int __stdcall srv_sound(ioctl_t *io) |
981 | serge | 512 | |
513 | u32_t *inp; |
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514 | u32_t *outp; |
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515 | |||
516 | inp = io->input; |
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517 | |||
518 | |||
519 | switch(io->io_code) |
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520 | |||
521 | case SRV_GETVERSION: |
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522 | if(io->out_size==4) |
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523 | { |
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524 | *outp = API_VERSION; |
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525 | return 0; |
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526 | } |
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527 | break; |
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528 | |||
529 | case DEV_PLAY: |
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530 | |||
531 | break; |
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532 | |||
533 | case DEV_STOP: |
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534 | |||
535 | |||
536 | case DEV_CALLBACK: |
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537 | |||
538 | { |
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539 | geode.callback = (void*)(*inp); |
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540 | return 0; |
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541 | } |
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542 | break; |
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543 | |||
544 | case DEV_GET_POS: |
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545 | |||
1692 | serge | 546 | { |
547 | u32_t dma; |
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548 | dma = ctrl_read_32(0x60); |
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1695 | serge | 549 | dma-= geode.buffer_dma; |
550 | *outp = (dma & 16383)>>2; |
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551 | return 0; |
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552 | } |
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1692 | serge | 553 | break; |
554 | |||
555 | default: |
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556 | |||
981 | serge | 557 | }; |
558 | return ERR_PARAM; |
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559 | }256;devfn++) |
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560 | >=last_bus;bus++) |
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561 | >--snd_hw_InitAudioRegs\n"); |