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1da177e4 LT |
1 | /* |
2 | * Driver for Cirrus Logic CS4281 based PCI soundcard | |
3 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz>, | |
4 | * | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <sound/driver.h> | |
23 | #include <asm/io.h> | |
24 | #include <linux/delay.h> | |
25 | #include <linux/interrupt.h> | |
26 | #include <linux/init.h> | |
27 | #include <linux/pci.h> | |
28 | #include <linux/slab.h> | |
29 | #include <linux/gameport.h> | |
30 | #include <linux/moduleparam.h> | |
31 | #include <sound/core.h> | |
32 | #include <sound/control.h> | |
33 | #include <sound/pcm.h> | |
34 | #include <sound/rawmidi.h> | |
35 | #include <sound/ac97_codec.h> | |
36 | #include <sound/opl3.h> | |
37 | #include <sound/initval.h> | |
38 | ||
39 | ||
40 | MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); | |
41 | MODULE_DESCRIPTION("Cirrus Logic CS4281"); | |
42 | MODULE_LICENSE("GPL"); | |
43 | MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,CS4281}}"); | |
44 | ||
45 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
46 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
47 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */ | |
48 | static int dual_codec[SNDRV_CARDS]; /* dual codec */ | |
49 | ||
50 | module_param_array(index, int, NULL, 0444); | |
51 | MODULE_PARM_DESC(index, "Index value for CS4281 soundcard."); | |
52 | module_param_array(id, charp, NULL, 0444); | |
53 | MODULE_PARM_DESC(id, "ID string for CS4281 soundcard."); | |
54 | module_param_array(enable, bool, NULL, 0444); | |
55 | MODULE_PARM_DESC(enable, "Enable CS4281 soundcard."); | |
56 | module_param_array(dual_codec, bool, NULL, 0444); | |
57 | MODULE_PARM_DESC(dual_codec, "Secondary Codec ID (0 = disabled)."); | |
58 | ||
1da177e4 LT |
59 | /* |
60 | * Direct registers | |
61 | */ | |
62 | ||
63 | #define CS4281_BA0_SIZE 0x1000 | |
64 | #define CS4281_BA1_SIZE 0x10000 | |
65 | ||
66 | /* | |
67 | * BA0 registers | |
68 | */ | |
69 | #define BA0_HISR 0x0000 /* Host Interrupt Status Register */ | |
70 | #define BA0_HISR_INTENA (1<<31) /* Internal Interrupt Enable Bit */ | |
71 | #define BA0_HISR_MIDI (1<<22) /* MIDI port interrupt */ | |
72 | #define BA0_HISR_FIFOI (1<<20) /* FIFO polled interrupt */ | |
73 | #define BA0_HISR_DMAI (1<<18) /* DMA interrupt (half or end) */ | |
74 | #define BA0_HISR_FIFO(c) (1<<(12+(c))) /* FIFO channel interrupt */ | |
75 | #define BA0_HISR_DMA(c) (1<<(8+(c))) /* DMA channel interrupt */ | |
76 | #define BA0_HISR_GPPI (1<<5) /* General Purpose Input (Primary chip) */ | |
77 | #define BA0_HISR_GPSI (1<<4) /* General Purpose Input (Secondary chip) */ | |
78 | #define BA0_HISR_GP3I (1<<3) /* GPIO3 pin Interrupt */ | |
79 | #define BA0_HISR_GP1I (1<<2) /* GPIO1 pin Interrupt */ | |
80 | #define BA0_HISR_VUPI (1<<1) /* VOLUP pin Interrupt */ | |
81 | #define BA0_HISR_VDNI (1<<0) /* VOLDN pin Interrupt */ | |
82 | ||
83 | #define BA0_HICR 0x0008 /* Host Interrupt Control Register */ | |
84 | #define BA0_HICR_CHGM (1<<1) /* INTENA Change Mask */ | |
85 | #define BA0_HICR_IEV (1<<0) /* INTENA Value */ | |
86 | #define BA0_HICR_EOI (3<<0) /* End of Interrupt command */ | |
87 | ||
88 | #define BA0_HIMR 0x000c /* Host Interrupt Mask Register */ | |
89 | /* Use same contants as for BA0_HISR */ | |
90 | ||
91 | #define BA0_IIER 0x0010 /* ISA Interrupt Enable Register */ | |
92 | ||
93 | #define BA0_HDSR0 0x00f0 /* Host DMA Engine 0 Status Register */ | |
94 | #define BA0_HDSR1 0x00f4 /* Host DMA Engine 1 Status Register */ | |
95 | #define BA0_HDSR2 0x00f8 /* Host DMA Engine 2 Status Register */ | |
96 | #define BA0_HDSR3 0x00fc /* Host DMA Engine 3 Status Register */ | |
97 | ||
98 | #define BA0_HDSR_CH1P (1<<25) /* Channel 1 Pending */ | |
99 | #define BA0_HDSR_CH2P (1<<24) /* Channel 2 Pending */ | |
100 | #define BA0_HDSR_DHTC (1<<17) /* DMA Half Terminal Count */ | |
101 | #define BA0_HDSR_DTC (1<<16) /* DMA Terminal Count */ | |
102 | #define BA0_HDSR_DRUN (1<<15) /* DMA Running */ | |
103 | #define BA0_HDSR_RQ (1<<7) /* Pending Request */ | |
104 | ||
105 | #define BA0_DCA0 0x0110 /* Host DMA Engine 0 Current Address */ | |
106 | #define BA0_DCC0 0x0114 /* Host DMA Engine 0 Current Count */ | |
107 | #define BA0_DBA0 0x0118 /* Host DMA Engine 0 Base Address */ | |
108 | #define BA0_DBC0 0x011c /* Host DMA Engine 0 Base Count */ | |
109 | #define BA0_DCA1 0x0120 /* Host DMA Engine 1 Current Address */ | |
110 | #define BA0_DCC1 0x0124 /* Host DMA Engine 1 Current Count */ | |
111 | #define BA0_DBA1 0x0128 /* Host DMA Engine 1 Base Address */ | |
112 | #define BA0_DBC1 0x012c /* Host DMA Engine 1 Base Count */ | |
113 | #define BA0_DCA2 0x0130 /* Host DMA Engine 2 Current Address */ | |
114 | #define BA0_DCC2 0x0134 /* Host DMA Engine 2 Current Count */ | |
115 | #define BA0_DBA2 0x0138 /* Host DMA Engine 2 Base Address */ | |
116 | #define BA0_DBC2 0x013c /* Host DMA Engine 2 Base Count */ | |
117 | #define BA0_DCA3 0x0140 /* Host DMA Engine 3 Current Address */ | |
118 | #define BA0_DCC3 0x0144 /* Host DMA Engine 3 Current Count */ | |
119 | #define BA0_DBA3 0x0148 /* Host DMA Engine 3 Base Address */ | |
120 | #define BA0_DBC3 0x014c /* Host DMA Engine 3 Base Count */ | |
121 | #define BA0_DMR0 0x0150 /* Host DMA Engine 0 Mode */ | |
122 | #define BA0_DCR0 0x0154 /* Host DMA Engine 0 Command */ | |
123 | #define BA0_DMR1 0x0158 /* Host DMA Engine 1 Mode */ | |
124 | #define BA0_DCR1 0x015c /* Host DMA Engine 1 Command */ | |
125 | #define BA0_DMR2 0x0160 /* Host DMA Engine 2 Mode */ | |
126 | #define BA0_DCR2 0x0164 /* Host DMA Engine 2 Command */ | |
127 | #define BA0_DMR3 0x0168 /* Host DMA Engine 3 Mode */ | |
128 | #define BA0_DCR3 0x016c /* Host DMA Engine 3 Command */ | |
129 | ||
130 | #define BA0_DMR_DMA (1<<29) /* Enable DMA mode */ | |
131 | #define BA0_DMR_POLL (1<<28) /* Enable poll mode */ | |
132 | #define BA0_DMR_TBC (1<<25) /* Transfer By Channel */ | |
133 | #define BA0_DMR_CBC (1<<24) /* Count By Channel (0 = frame resolution) */ | |
134 | #define BA0_DMR_SWAPC (1<<22) /* Swap Left/Right Channels */ | |
135 | #define BA0_DMR_SIZE20 (1<<20) /* Sample is 20-bit */ | |
136 | #define BA0_DMR_USIGN (1<<19) /* Unsigned */ | |
137 | #define BA0_DMR_BEND (1<<18) /* Big Endian */ | |
138 | #define BA0_DMR_MONO (1<<17) /* Mono */ | |
139 | #define BA0_DMR_SIZE8 (1<<16) /* Sample is 8-bit */ | |
140 | #define BA0_DMR_TYPE_DEMAND (0<<6) | |
141 | #define BA0_DMR_TYPE_SINGLE (1<<6) | |
142 | #define BA0_DMR_TYPE_BLOCK (2<<6) | |
143 | #define BA0_DMR_TYPE_CASCADE (3<<6) /* Not supported */ | |
144 | #define BA0_DMR_DEC (1<<5) /* Access Increment (0) or Decrement (1) */ | |
145 | #define BA0_DMR_AUTO (1<<4) /* Auto-Initialize */ | |
146 | #define BA0_DMR_TR_VERIFY (0<<2) /* Verify Transfer */ | |
147 | #define BA0_DMR_TR_WRITE (1<<2) /* Write Transfer */ | |
148 | #define BA0_DMR_TR_READ (2<<2) /* Read Transfer */ | |
149 | ||
150 | #define BA0_DCR_HTCIE (1<<17) /* Half Terminal Count Interrupt */ | |
151 | #define BA0_DCR_TCIE (1<<16) /* Terminal Count Interrupt */ | |
152 | #define BA0_DCR_MSK (1<<0) /* DMA Mask bit */ | |
153 | ||
154 | #define BA0_FCR0 0x0180 /* FIFO Control 0 */ | |
155 | #define BA0_FCR1 0x0184 /* FIFO Control 1 */ | |
156 | #define BA0_FCR2 0x0188 /* FIFO Control 2 */ | |
157 | #define BA0_FCR3 0x018c /* FIFO Control 3 */ | |
158 | ||
159 | #define BA0_FCR_FEN (1<<31) /* FIFO Enable bit */ | |
160 | #define BA0_FCR_DACZ (1<<30) /* DAC Zero */ | |
161 | #define BA0_FCR_PSH (1<<29) /* Previous Sample Hold */ | |
162 | #define BA0_FCR_RS(x) (((x)&0x1f)<<24) /* Right Slot Mapping */ | |
163 | #define BA0_FCR_LS(x) (((x)&0x1f)<<16) /* Left Slot Mapping */ | |
164 | #define BA0_FCR_SZ(x) (((x)&0x7f)<<8) /* FIFO buffer size (in samples) */ | |
165 | #define BA0_FCR_OF(x) (((x)&0x7f)<<0) /* FIFO starting offset (in samples) */ | |
166 | ||
167 | #define BA0_FPDR0 0x0190 /* FIFO Polled Data 0 */ | |
168 | #define BA0_FPDR1 0x0194 /* FIFO Polled Data 1 */ | |
169 | #define BA0_FPDR2 0x0198 /* FIFO Polled Data 2 */ | |
170 | #define BA0_FPDR3 0x019c /* FIFO Polled Data 3 */ | |
171 | ||
172 | #define BA0_FCHS 0x020c /* FIFO Channel Status */ | |
173 | #define BA0_FCHS_RCO(x) (1<<(7+(((x)&3)<<3))) /* Right Channel Out */ | |
174 | #define BA0_FCHS_LCO(x) (1<<(6+(((x)&3)<<3))) /* Left Channel Out */ | |
175 | #define BA0_FCHS_MRP(x) (1<<(5+(((x)&3)<<3))) /* Move Read Pointer */ | |
176 | #define BA0_FCHS_FE(x) (1<<(4+(((x)&3)<<3))) /* FIFO Empty */ | |
177 | #define BA0_FCHS_FF(x) (1<<(3+(((x)&3)<<3))) /* FIFO Full */ | |
178 | #define BA0_FCHS_IOR(x) (1<<(2+(((x)&3)<<3))) /* Internal Overrun Flag */ | |
179 | #define BA0_FCHS_RCI(x) (1<<(1+(((x)&3)<<3))) /* Right Channel In */ | |
180 | #define BA0_FCHS_LCI(x) (1<<(0+(((x)&3)<<3))) /* Left Channel In */ | |
181 | ||
182 | #define BA0_FSIC0 0x0210 /* FIFO Status and Interrupt Control 0 */ | |
183 | #define BA0_FSIC1 0x0214 /* FIFO Status and Interrupt Control 1 */ | |
184 | #define BA0_FSIC2 0x0218 /* FIFO Status and Interrupt Control 2 */ | |
185 | #define BA0_FSIC3 0x021c /* FIFO Status and Interrupt Control 3 */ | |
186 | ||
187 | #define BA0_FSIC_FIC(x) (((x)&0x7f)<<24) /* FIFO Interrupt Count */ | |
188 | #define BA0_FSIC_FORIE (1<<23) /* FIFO OverRun Interrupt Enable */ | |
189 | #define BA0_FSIC_FURIE (1<<22) /* FIFO UnderRun Interrupt Enable */ | |
190 | #define BA0_FSIC_FSCIE (1<<16) /* FIFO Sample Count Interrupt Enable */ | |
191 | #define BA0_FSIC_FSC(x) (((x)&0x7f)<<8) /* FIFO Sample Count */ | |
192 | #define BA0_FSIC_FOR (1<<7) /* FIFO OverRun */ | |
193 | #define BA0_FSIC_FUR (1<<6) /* FIFO UnderRun */ | |
194 | #define BA0_FSIC_FSCR (1<<0) /* FIFO Sample Count Reached */ | |
195 | ||
196 | #define BA0_PMCS 0x0344 /* Power Management Control/Status */ | |
197 | #define BA0_CWPR 0x03e0 /* Configuration Write Protect */ | |
a488e033 | 198 | |
1da177e4 | 199 | #define BA0_EPPMC 0x03e4 /* Extended PCI Power Management Control */ |
a488e033 AP |
200 | #define BA0_EPPMC_FPDN (1<<14) /* Full Power DowN */ |
201 | ||
1da177e4 LT |
202 | #define BA0_GPIOR 0x03e8 /* GPIO Pin Interface Register */ |
203 | ||
204 | #define BA0_SPMC 0x03ec /* Serial Port Power Management Control (& ASDIN2 enable) */ | |
205 | #define BA0_SPMC_GIPPEN (1<<15) /* GP INT Primary PME# Enable */ | |
206 | #define BA0_SPMC_GISPEN (1<<14) /* GP INT Secondary PME# Enable */ | |
207 | #define BA0_SPMC_EESPD (1<<9) /* EEPROM Serial Port Disable */ | |
208 | #define BA0_SPMC_ASDI2E (1<<8) /* ASDIN2 Enable */ | |
209 | #define BA0_SPMC_ASDO (1<<7) /* Asynchronous ASDOUT Assertion */ | |
210 | #define BA0_SPMC_WUP2 (1<<3) /* Wakeup for Secondary Input */ | |
211 | #define BA0_SPMC_WUP1 (1<<2) /* Wakeup for Primary Input */ | |
212 | #define BA0_SPMC_ASYNC (1<<1) /* Asynchronous ASYNC Assertion */ | |
213 | #define BA0_SPMC_RSTN (1<<0) /* Reset Not! */ | |
214 | ||
215 | #define BA0_CFLR 0x03f0 /* Configuration Load Register (EEPROM or BIOS) */ | |
216 | #define BA0_CFLR_DEFAULT 0x00000001 /* CFLR must be in AC97 link mode */ | |
217 | #define BA0_IISR 0x03f4 /* ISA Interrupt Select */ | |
218 | #define BA0_TMS 0x03f8 /* Test Register */ | |
219 | #define BA0_SSVID 0x03fc /* Subsystem ID register */ | |
220 | ||
221 | #define BA0_CLKCR1 0x0400 /* Clock Control Register 1 */ | |
222 | #define BA0_CLKCR1_CLKON (1<<25) /* Read Only */ | |
223 | #define BA0_CLKCR1_DLLRDY (1<<24) /* DLL Ready */ | |
224 | #define BA0_CLKCR1_DLLOS (1<<6) /* DLL Output Select */ | |
225 | #define BA0_CLKCR1_SWCE (1<<5) /* Clock Enable */ | |
226 | #define BA0_CLKCR1_DLLP (1<<4) /* DLL PowerUp */ | |
227 | #define BA0_CLKCR1_DLLSS (((x)&3)<<3) /* DLL Source Select */ | |
228 | ||
229 | #define BA0_FRR 0x0410 /* Feature Reporting Register */ | |
230 | #define BA0_SLT12O 0x041c /* Slot 12 GPIO Output Register for AC-Link */ | |
231 | ||
232 | #define BA0_SERMC 0x0420 /* Serial Port Master Control */ | |
233 | #define BA0_SERMC_FCRN (1<<27) /* Force Codec Ready Not */ | |
234 | #define BA0_SERMC_ODSEN2 (1<<25) /* On-Demand Support Enable ASDIN2 */ | |
235 | #define BA0_SERMC_ODSEN1 (1<<24) /* On-Demand Support Enable ASDIN1 */ | |
236 | #define BA0_SERMC_SXLB (1<<21) /* ASDIN2 to ASDOUT Loopback */ | |
237 | #define BA0_SERMC_SLB (1<<20) /* ASDOUT to ASDIN2 Loopback */ | |
238 | #define BA0_SERMC_LOVF (1<<19) /* Loopback Output Valid Frame bit */ | |
239 | #define BA0_SERMC_TCID(x) (((x)&3)<<16) /* Target Secondary Codec ID */ | |
240 | #define BA0_SERMC_PXLB (5<<1) /* Primary Port External Loopback */ | |
241 | #define BA0_SERMC_PLB (4<<1) /* Primary Port Internal Loopback */ | |
242 | #define BA0_SERMC_PTC (7<<1) /* Port Timing Configuration */ | |
243 | #define BA0_SERMC_PTC_AC97 (1<<1) /* AC97 mode */ | |
244 | #define BA0_SERMC_MSPE (1<<0) /* Master Serial Port Enable */ | |
245 | ||
246 | #define BA0_SERC1 0x0428 /* Serial Port Configuration 1 */ | |
247 | #define BA0_SERC1_SO1F(x) (((x)&7)>>1) /* Primary Output Port Format */ | |
248 | #define BA0_SERC1_AC97 (1<<1) | |
249 | #define BA0_SERC1_SO1EN (1<<0) /* Primary Output Port Enable */ | |
250 | ||
251 | #define BA0_SERC2 0x042c /* Serial Port Configuration 2 */ | |
252 | #define BA0_SERC2_SI1F(x) (((x)&7)>>1) /* Primary Input Port Format */ | |
253 | #define BA0_SERC2_AC97 (1<<1) | |
254 | #define BA0_SERC2_SI1EN (1<<0) /* Primary Input Port Enable */ | |
255 | ||
256 | #define BA0_SLT12M 0x045c /* Slot 12 Monitor Register for Primary AC-Link */ | |
257 | ||
258 | #define BA0_ACCTL 0x0460 /* AC'97 Control */ | |
259 | #define BA0_ACCTL_TC (1<<6) /* Target Codec */ | |
260 | #define BA0_ACCTL_CRW (1<<4) /* 0=Write, 1=Read Command */ | |
261 | #define BA0_ACCTL_DCV (1<<3) /* Dynamic Command Valid */ | |
262 | #define BA0_ACCTL_VFRM (1<<2) /* Valid Frame */ | |
263 | #define BA0_ACCTL_ESYN (1<<1) /* Enable Sync */ | |
264 | ||
265 | #define BA0_ACSTS 0x0464 /* AC'97 Status */ | |
266 | #define BA0_ACSTS_VSTS (1<<1) /* Valid Status */ | |
267 | #define BA0_ACSTS_CRDY (1<<0) /* Codec Ready */ | |
268 | ||
269 | #define BA0_ACOSV 0x0468 /* AC'97 Output Slot Valid */ | |
270 | #define BA0_ACOSV_SLV(x) (1<<((x)-3)) | |
271 | ||
272 | #define BA0_ACCAD 0x046c /* AC'97 Command Address */ | |
273 | #define BA0_ACCDA 0x0470 /* AC'97 Command Data */ | |
274 | ||
275 | #define BA0_ACISV 0x0474 /* AC'97 Input Slot Valid */ | |
276 | #define BA0_ACISV_SLV(x) (1<<((x)-3)) | |
277 | ||
278 | #define BA0_ACSAD 0x0478 /* AC'97 Status Address */ | |
279 | #define BA0_ACSDA 0x047c /* AC'97 Status Data */ | |
280 | #define BA0_JSPT 0x0480 /* Joystick poll/trigger */ | |
281 | #define BA0_JSCTL 0x0484 /* Joystick control */ | |
282 | #define BA0_JSC1 0x0488 /* Joystick control */ | |
283 | #define BA0_JSC2 0x048c /* Joystick control */ | |
284 | #define BA0_JSIO 0x04a0 | |
285 | ||
286 | #define BA0_MIDCR 0x0490 /* MIDI Control */ | |
287 | #define BA0_MIDCR_MRST (1<<5) /* Reset MIDI Interface */ | |
288 | #define BA0_MIDCR_MLB (1<<4) /* MIDI Loop Back Enable */ | |
289 | #define BA0_MIDCR_TIE (1<<3) /* MIDI Transmuit Interrupt Enable */ | |
290 | #define BA0_MIDCR_RIE (1<<2) /* MIDI Receive Interrupt Enable */ | |
291 | #define BA0_MIDCR_RXE (1<<1) /* MIDI Receive Enable */ | |
292 | #define BA0_MIDCR_TXE (1<<0) /* MIDI Transmit Enable */ | |
293 | ||
294 | #define BA0_MIDCMD 0x0494 /* MIDI Command (wo) */ | |
295 | ||
296 | #define BA0_MIDSR 0x0494 /* MIDI Status (ro) */ | |
297 | #define BA0_MIDSR_RDA (1<<15) /* Sticky bit (RBE 1->0) */ | |
298 | #define BA0_MIDSR_TBE (1<<14) /* Sticky bit (TBF 0->1) */ | |
299 | #define BA0_MIDSR_RBE (1<<7) /* Receive Buffer Empty */ | |
300 | #define BA0_MIDSR_TBF (1<<6) /* Transmit Buffer Full */ | |
301 | ||
302 | #define BA0_MIDWP 0x0498 /* MIDI Write */ | |
303 | #define BA0_MIDRP 0x049c /* MIDI Read (ro) */ | |
304 | ||
305 | #define BA0_AODSD1 0x04a8 /* AC'97 On-Demand Slot Disable for primary link (ro) */ | |
306 | #define BA0_AODSD1_NDS(x) (1<<((x)-3)) | |
307 | ||
308 | #define BA0_AODSD2 0x04ac /* AC'97 On-Demand Slot Disable for secondary link (ro) */ | |
309 | #define BA0_AODSD2_NDS(x) (1<<((x)-3)) | |
310 | ||
311 | #define BA0_CFGI 0x04b0 /* Configure Interface (EEPROM interface) */ | |
312 | #define BA0_SLT12M2 0x04dc /* Slot 12 Monitor Register 2 for secondary AC-link */ | |
313 | #define BA0_ACSTS2 0x04e4 /* AC'97 Status Register 2 */ | |
314 | #define BA0_ACISV2 0x04f4 /* AC'97 Input Slot Valid Register 2 */ | |
315 | #define BA0_ACSAD2 0x04f8 /* AC'97 Status Address Register 2 */ | |
316 | #define BA0_ACSDA2 0x04fc /* AC'97 Status Data Register 2 */ | |
317 | #define BA0_FMSR 0x0730 /* FM Synthesis Status (ro) */ | |
318 | #define BA0_B0AP 0x0730 /* FM Bank 0 Address Port (wo) */ | |
319 | #define BA0_FMDP 0x0734 /* FM Data Port */ | |
320 | #define BA0_B1AP 0x0738 /* FM Bank 1 Address Port */ | |
321 | #define BA0_B1DP 0x073c /* FM Bank 1 Data Port */ | |
322 | ||
323 | #define BA0_SSPM 0x0740 /* Sound System Power Management */ | |
324 | #define BA0_SSPM_MIXEN (1<<6) /* Playback SRC + FM/Wavetable MIX */ | |
325 | #define BA0_SSPM_CSRCEN (1<<5) /* Capture Sample Rate Converter Enable */ | |
326 | #define BA0_SSPM_PSRCEN (1<<4) /* Playback Sample Rate Converter Enable */ | |
327 | #define BA0_SSPM_JSEN (1<<3) /* Joystick Enable */ | |
328 | #define BA0_SSPM_ACLEN (1<<2) /* Serial Port Engine and AC-Link Enable */ | |
329 | #define BA0_SSPM_FMEN (1<<1) /* FM Synthesis Block Enable */ | |
330 | ||
331 | #define BA0_DACSR 0x0744 /* DAC Sample Rate - Playback SRC */ | |
332 | #define BA0_ADCSR 0x0748 /* ADC Sample Rate - Capture SRC */ | |
333 | ||
334 | #define BA0_SSCR 0x074c /* Sound System Control Register */ | |
335 | #define BA0_SSCR_HVS1 (1<<23) /* Hardwave Volume Step (0=1,1=2) */ | |
336 | #define BA0_SSCR_MVCS (1<<19) /* Master Volume Codec Select */ | |
337 | #define BA0_SSCR_MVLD (1<<18) /* Master Volume Line Out Disable */ | |
338 | #define BA0_SSCR_MVAD (1<<17) /* Master Volume Alternate Out Disable */ | |
339 | #define BA0_SSCR_MVMD (1<<16) /* Master Volume Mono Out Disable */ | |
340 | #define BA0_SSCR_XLPSRC (1<<8) /* External SRC Loopback Mode */ | |
341 | #define BA0_SSCR_LPSRC (1<<7) /* SRC Loopback Mode */ | |
342 | #define BA0_SSCR_CDTX (1<<5) /* CD Transfer Data */ | |
343 | #define BA0_SSCR_HVC (1<<3) /* Harware Volume Control Enable */ | |
344 | ||
345 | #define BA0_FMLVC 0x0754 /* FM Synthesis Left Volume Control */ | |
346 | #define BA0_FMRVC 0x0758 /* FM Synthesis Right Volume Control */ | |
347 | #define BA0_SRCSA 0x075c /* SRC Slot Assignments */ | |
348 | #define BA0_PPLVC 0x0760 /* PCM Playback Left Volume Control */ | |
349 | #define BA0_PPRVC 0x0764 /* PCM Playback Right Volume Control */ | |
350 | #define BA0_PASR 0x0768 /* playback sample rate */ | |
351 | #define BA0_CASR 0x076C /* capture sample rate */ | |
352 | ||
353 | /* Source Slot Numbers - Playback */ | |
354 | #define SRCSLOT_LEFT_PCM_PLAYBACK 0 | |
355 | #define SRCSLOT_RIGHT_PCM_PLAYBACK 1 | |
356 | #define SRCSLOT_PHONE_LINE_1_DAC 2 | |
357 | #define SRCSLOT_CENTER_PCM_PLAYBACK 3 | |
358 | #define SRCSLOT_LEFT_SURROUND_PCM_PLAYBACK 4 | |
359 | #define SRCSLOT_RIGHT_SURROUND_PCM_PLAYBACK 5 | |
360 | #define SRCSLOT_LFE_PCM_PLAYBACK 6 | |
361 | #define SRCSLOT_PHONE_LINE_2_DAC 7 | |
362 | #define SRCSLOT_HEADSET_DAC 8 | |
363 | #define SRCSLOT_LEFT_WT 29 /* invalid for BA0_SRCSA */ | |
364 | #define SRCSLOT_RIGHT_WT 30 /* invalid for BA0_SRCSA */ | |
365 | ||
366 | /* Source Slot Numbers - Capture */ | |
367 | #define SRCSLOT_LEFT_PCM_RECORD 10 | |
368 | #define SRCSLOT_RIGHT_PCM_RECORD 11 | |
369 | #define SRCSLOT_PHONE_LINE_1_ADC 12 | |
370 | #define SRCSLOT_MIC_ADC 13 | |
371 | #define SRCSLOT_PHONE_LINE_2_ADC 17 | |
372 | #define SRCSLOT_HEADSET_ADC 18 | |
373 | #define SRCSLOT_SECONDARY_LEFT_PCM_RECORD 20 | |
374 | #define SRCSLOT_SECONDARY_RIGHT_PCM_RECORD 21 | |
375 | #define SRCSLOT_SECONDARY_PHONE_LINE_1_ADC 22 | |
376 | #define SRCSLOT_SECONDARY_MIC_ADC 23 | |
377 | #define SRCSLOT_SECONDARY_PHONE_LINE_2_ADC 27 | |
378 | #define SRCSLOT_SECONDARY_HEADSET_ADC 28 | |
379 | ||
380 | /* Source Slot Numbers - Others */ | |
381 | #define SRCSLOT_POWER_DOWN 31 | |
382 | ||
383 | /* MIDI modes */ | |
384 | #define CS4281_MODE_OUTPUT (1<<0) | |
385 | #define CS4281_MODE_INPUT (1<<1) | |
386 | ||
387 | /* joystick bits */ | |
388 | /* Bits for JSPT */ | |
389 | #define JSPT_CAX 0x00000001 | |
390 | #define JSPT_CAY 0x00000002 | |
391 | #define JSPT_CBX 0x00000004 | |
392 | #define JSPT_CBY 0x00000008 | |
393 | #define JSPT_BA1 0x00000010 | |
394 | #define JSPT_BA2 0x00000020 | |
395 | #define JSPT_BB1 0x00000040 | |
396 | #define JSPT_BB2 0x00000080 | |
397 | ||
398 | /* Bits for JSCTL */ | |
399 | #define JSCTL_SP_MASK 0x00000003 | |
400 | #define JSCTL_SP_SLOW 0x00000000 | |
401 | #define JSCTL_SP_MEDIUM_SLOW 0x00000001 | |
402 | #define JSCTL_SP_MEDIUM_FAST 0x00000002 | |
403 | #define JSCTL_SP_FAST 0x00000003 | |
404 | #define JSCTL_ARE 0x00000004 | |
405 | ||
406 | /* Data register pairs masks */ | |
407 | #define JSC1_Y1V_MASK 0x0000FFFF | |
408 | #define JSC1_X1V_MASK 0xFFFF0000 | |
409 | #define JSC1_Y1V_SHIFT 0 | |
410 | #define JSC1_X1V_SHIFT 16 | |
411 | #define JSC2_Y2V_MASK 0x0000FFFF | |
412 | #define JSC2_X2V_MASK 0xFFFF0000 | |
413 | #define JSC2_Y2V_SHIFT 0 | |
414 | #define JSC2_X2V_SHIFT 16 | |
415 | ||
416 | /* JS GPIO */ | |
417 | #define JSIO_DAX 0x00000001 | |
418 | #define JSIO_DAY 0x00000002 | |
419 | #define JSIO_DBX 0x00000004 | |
420 | #define JSIO_DBY 0x00000008 | |
421 | #define JSIO_AXOE 0x00000010 | |
422 | #define JSIO_AYOE 0x00000020 | |
423 | #define JSIO_BXOE 0x00000040 | |
424 | #define JSIO_BYOE 0x00000080 | |
425 | ||
426 | /* | |
427 | * | |
428 | */ | |
429 | ||
430 | typedef struct snd_cs4281 cs4281_t; | |
431 | typedef struct snd_cs4281_dma cs4281_dma_t; | |
432 | ||
433 | struct snd_cs4281_dma { | |
434 | snd_pcm_substream_t *substream; | |
435 | unsigned int regDBA; /* offset to DBA register */ | |
436 | unsigned int regDCA; /* offset to DCA register */ | |
437 | unsigned int regDBC; /* offset to DBC register */ | |
438 | unsigned int regDCC; /* offset to DCC register */ | |
439 | unsigned int regDMR; /* offset to DMR register */ | |
440 | unsigned int regDCR; /* offset to DCR register */ | |
441 | unsigned int regHDSR; /* offset to HDSR register */ | |
442 | unsigned int regFCR; /* offset to FCR register */ | |
443 | unsigned int regFSIC; /* offset to FSIC register */ | |
444 | unsigned int valDMR; /* DMA mode */ | |
445 | unsigned int valDCR; /* DMA command */ | |
446 | unsigned int valFCR; /* FIFO control */ | |
447 | unsigned int fifo_offset; /* FIFO offset within BA1 */ | |
448 | unsigned char left_slot; /* FIFO left slot */ | |
449 | unsigned char right_slot; /* FIFO right slot */ | |
450 | int frag; /* period number */ | |
451 | }; | |
452 | ||
453 | #define SUSPEND_REGISTERS 20 | |
454 | ||
455 | struct snd_cs4281 { | |
456 | int irq; | |
457 | ||
458 | void __iomem *ba0; /* virtual (accessible) address */ | |
459 | void __iomem *ba1; /* virtual (accessible) address */ | |
460 | unsigned long ba0_addr; | |
461 | unsigned long ba1_addr; | |
462 | ||
463 | int dual_codec; | |
464 | ||
465 | ac97_bus_t *ac97_bus; | |
466 | ac97_t *ac97; | |
467 | ac97_t *ac97_secondary; | |
468 | ||
469 | struct pci_dev *pci; | |
470 | snd_card_t *card; | |
471 | snd_pcm_t *pcm; | |
472 | snd_rawmidi_t *rmidi; | |
473 | snd_rawmidi_substream_t *midi_input; | |
474 | snd_rawmidi_substream_t *midi_output; | |
475 | ||
476 | cs4281_dma_t dma[4]; | |
477 | ||
478 | unsigned char src_left_play_slot; | |
479 | unsigned char src_right_play_slot; | |
480 | unsigned char src_left_rec_slot; | |
481 | unsigned char src_right_rec_slot; | |
482 | ||
483 | unsigned int spurious_dhtc_irq; | |
484 | unsigned int spurious_dtc_irq; | |
485 | ||
486 | spinlock_t reg_lock; | |
487 | unsigned int midcr; | |
488 | unsigned int uartm; | |
489 | ||
490 | struct gameport *gameport; | |
491 | ||
492 | #ifdef CONFIG_PM | |
493 | u32 suspend_regs[SUSPEND_REGISTERS]; | |
494 | #endif | |
495 | ||
496 | }; | |
497 | ||
498 | static irqreturn_t snd_cs4281_interrupt(int irq, void *dev_id, struct pt_regs *regs); | |
499 | ||
500 | static struct pci_device_id snd_cs4281_ids[] = { | |
501 | { 0x1013, 0x6005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CS4281 */ | |
502 | { 0, } | |
503 | }; | |
504 | ||
505 | MODULE_DEVICE_TABLE(pci, snd_cs4281_ids); | |
506 | ||
507 | /* | |
508 | * constants | |
509 | */ | |
510 | ||
511 | #define CS4281_FIFO_SIZE 32 | |
512 | ||
513 | /* | |
514 | * common I/O routines | |
515 | */ | |
516 | ||
517 | static void snd_cs4281_delay(unsigned int delay) | |
518 | { | |
519 | if (delay > 999) { | |
520 | unsigned long end_time; | |
521 | delay = (delay * HZ) / 1000000; | |
522 | if (delay < 1) | |
523 | delay = 1; | |
524 | end_time = jiffies + delay; | |
525 | do { | |
8433a509 | 526 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
527 | } while (time_after_eq(end_time, jiffies)); |
528 | } else { | |
529 | udelay(delay); | |
530 | } | |
531 | } | |
532 | ||
77933d72 | 533 | static inline void snd_cs4281_delay_long(void) |
1da177e4 | 534 | { |
8433a509 | 535 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
536 | } |
537 | ||
538 | static inline void snd_cs4281_pokeBA0(cs4281_t *chip, unsigned long offset, unsigned int val) | |
539 | { | |
540 | writel(val, chip->ba0 + offset); | |
541 | } | |
542 | ||
543 | static inline unsigned int snd_cs4281_peekBA0(cs4281_t *chip, unsigned long offset) | |
544 | { | |
545 | return readl(chip->ba0 + offset); | |
546 | } | |
547 | ||
548 | static void snd_cs4281_ac97_write(ac97_t *ac97, | |
549 | unsigned short reg, unsigned short val) | |
550 | { | |
551 | /* | |
552 | * 1. Write ACCAD = Command Address Register = 46Ch for AC97 register address | |
553 | * 2. Write ACCDA = Command Data Register = 470h for data to write to AC97 | |
554 | * 3. Write ACCTL = Control Register = 460h for initiating the write | |
555 | * 4. Read ACCTL = 460h, DCV should be reset by now and 460h = 07h | |
556 | * 5. if DCV not cleared, break and return error | |
557 | */ | |
558 | cs4281_t *chip = ac97->private_data; | |
559 | int count; | |
560 | ||
561 | /* | |
562 | * Setup the AC97 control registers on the CS461x to send the | |
563 | * appropriate command to the AC97 to perform the read. | |
564 | * ACCAD = Command Address Register = 46Ch | |
565 | * ACCDA = Command Data Register = 470h | |
566 | * ACCTL = Control Register = 460h | |
567 | * set DCV - will clear when process completed | |
568 | * reset CRW - Write command | |
569 | * set VFRM - valid frame enabled | |
570 | * set ESYN - ASYNC generation enabled | |
571 | * set RSTN - ARST# inactive, AC97 codec not reset | |
572 | */ | |
573 | snd_cs4281_pokeBA0(chip, BA0_ACCAD, reg); | |
574 | snd_cs4281_pokeBA0(chip, BA0_ACCDA, val); | |
575 | snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_DCV | BA0_ACCTL_VFRM | | |
576 | BA0_ACCTL_ESYN | (ac97->num ? BA0_ACCTL_TC : 0)); | |
577 | for (count = 0; count < 2000; count++) { | |
578 | /* | |
579 | * First, we want to wait for a short time. | |
580 | */ | |
581 | udelay(10); | |
582 | /* | |
583 | * Now, check to see if the write has completed. | |
584 | * ACCTL = 460h, DCV should be reset by now and 460h = 07h | |
585 | */ | |
586 | if (!(snd_cs4281_peekBA0(chip, BA0_ACCTL) & BA0_ACCTL_DCV)) { | |
587 | return; | |
588 | } | |
589 | } | |
590 | snd_printk(KERN_ERR "AC'97 write problem, reg = 0x%x, val = 0x%x\n", reg, val); | |
591 | } | |
592 | ||
593 | static unsigned short snd_cs4281_ac97_read(ac97_t *ac97, | |
594 | unsigned short reg) | |
595 | { | |
596 | cs4281_t *chip = ac97->private_data; | |
597 | int count; | |
598 | unsigned short result; | |
599 | // FIXME: volatile is necessary in the following due to a bug of | |
600 | // some gcc versions | |
601 | volatile int ac97_num = ((volatile ac97_t *)ac97)->num; | |
602 | ||
603 | /* | |
604 | * 1. Write ACCAD = Command Address Register = 46Ch for AC97 register address | |
605 | * 2. Write ACCDA = Command Data Register = 470h for data to write to AC97 | |
606 | * 3. Write ACCTL = Control Register = 460h for initiating the write | |
607 | * 4. Read ACCTL = 460h, DCV should be reset by now and 460h = 17h | |
608 | * 5. if DCV not cleared, break and return error | |
609 | * 6. Read ACSTS = Status Register = 464h, check VSTS bit | |
610 | */ | |
611 | ||
612 | snd_cs4281_peekBA0(chip, ac97_num ? BA0_ACSDA2 : BA0_ACSDA); | |
613 | ||
614 | /* | |
615 | * Setup the AC97 control registers on the CS461x to send the | |
616 | * appropriate command to the AC97 to perform the read. | |
617 | * ACCAD = Command Address Register = 46Ch | |
618 | * ACCDA = Command Data Register = 470h | |
619 | * ACCTL = Control Register = 460h | |
620 | * set DCV - will clear when process completed | |
621 | * set CRW - Read command | |
622 | * set VFRM - valid frame enabled | |
623 | * set ESYN - ASYNC generation enabled | |
624 | * set RSTN - ARST# inactive, AC97 codec not reset | |
625 | */ | |
626 | ||
627 | snd_cs4281_pokeBA0(chip, BA0_ACCAD, reg); | |
628 | snd_cs4281_pokeBA0(chip, BA0_ACCDA, 0); | |
629 | snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_DCV | BA0_ACCTL_CRW | | |
630 | BA0_ACCTL_VFRM | BA0_ACCTL_ESYN | | |
631 | (ac97_num ? BA0_ACCTL_TC : 0)); | |
632 | ||
633 | ||
634 | /* | |
635 | * Wait for the read to occur. | |
636 | */ | |
637 | for (count = 0; count < 500; count++) { | |
638 | /* | |
639 | * First, we want to wait for a short time. | |
640 | */ | |
641 | udelay(10); | |
642 | /* | |
643 | * Now, check to see if the read has completed. | |
644 | * ACCTL = 460h, DCV should be reset by now and 460h = 17h | |
645 | */ | |
646 | if (!(snd_cs4281_peekBA0(chip, BA0_ACCTL) & BA0_ACCTL_DCV)) | |
647 | goto __ok1; | |
648 | } | |
649 | ||
650 | snd_printk(KERN_ERR "AC'97 read problem (ACCTL_DCV), reg = 0x%x\n", reg); | |
651 | result = 0xffff; | |
652 | goto __end; | |
653 | ||
654 | __ok1: | |
655 | /* | |
656 | * Wait for the valid status bit to go active. | |
657 | */ | |
658 | for (count = 0; count < 100; count++) { | |
659 | /* | |
660 | * Read the AC97 status register. | |
661 | * ACSTS = Status Register = 464h | |
662 | * VSTS - Valid Status | |
663 | */ | |
664 | if (snd_cs4281_peekBA0(chip, ac97_num ? BA0_ACSTS2 : BA0_ACSTS) & BA0_ACSTS_VSTS) | |
665 | goto __ok2; | |
666 | udelay(10); | |
667 | } | |
668 | ||
669 | snd_printk(KERN_ERR "AC'97 read problem (ACSTS_VSTS), reg = 0x%x\n", reg); | |
670 | result = 0xffff; | |
671 | goto __end; | |
672 | ||
673 | __ok2: | |
674 | /* | |
675 | * Read the data returned from the AC97 register. | |
676 | * ACSDA = Status Data Register = 474h | |
677 | */ | |
678 | result = snd_cs4281_peekBA0(chip, ac97_num ? BA0_ACSDA2 : BA0_ACSDA); | |
679 | ||
680 | __end: | |
681 | return result; | |
682 | } | |
683 | ||
684 | /* | |
685 | * PCM part | |
686 | */ | |
687 | ||
688 | static int snd_cs4281_trigger(snd_pcm_substream_t *substream, int cmd) | |
689 | { | |
690 | cs4281_dma_t *dma = (cs4281_dma_t *)substream->runtime->private_data; | |
691 | cs4281_t *chip = snd_pcm_substream_chip(substream); | |
692 | ||
693 | spin_lock(&chip->reg_lock); | |
694 | switch (cmd) { | |
695 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
696 | dma->valDCR |= BA0_DCR_MSK; | |
697 | dma->valFCR |= BA0_FCR_FEN; | |
698 | break; | |
699 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
700 | dma->valDCR &= ~BA0_DCR_MSK; | |
701 | dma->valFCR &= ~BA0_FCR_FEN; | |
702 | break; | |
703 | case SNDRV_PCM_TRIGGER_START: | |
704 | case SNDRV_PCM_TRIGGER_RESUME: | |
705 | snd_cs4281_pokeBA0(chip, dma->regDMR, dma->valDMR & ~BA0_DMR_DMA); | |
706 | dma->valDMR |= BA0_DMR_DMA; | |
707 | dma->valDCR &= ~BA0_DCR_MSK; | |
708 | dma->valFCR |= BA0_FCR_FEN; | |
709 | break; | |
710 | case SNDRV_PCM_TRIGGER_STOP: | |
711 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
712 | dma->valDMR &= ~(BA0_DMR_DMA|BA0_DMR_POLL); | |
713 | dma->valDCR |= BA0_DCR_MSK; | |
714 | dma->valFCR &= ~BA0_FCR_FEN; | |
715 | /* Leave wave playback FIFO enabled for FM */ | |
716 | if (dma->regFCR != BA0_FCR0) | |
717 | dma->valFCR &= ~BA0_FCR_FEN; | |
718 | break; | |
719 | default: | |
720 | spin_unlock(&chip->reg_lock); | |
721 | return -EINVAL; | |
722 | } | |
723 | snd_cs4281_pokeBA0(chip, dma->regDMR, dma->valDMR); | |
724 | snd_cs4281_pokeBA0(chip, dma->regFCR, dma->valFCR); | |
725 | snd_cs4281_pokeBA0(chip, dma->regDCR, dma->valDCR); | |
726 | spin_unlock(&chip->reg_lock); | |
727 | return 0; | |
728 | } | |
729 | ||
730 | static unsigned int snd_cs4281_rate(unsigned int rate, unsigned int *real_rate) | |
731 | { | |
732 | unsigned int val = ~0; | |
733 | ||
734 | if (real_rate) | |
735 | *real_rate = rate; | |
736 | /* special "hardcoded" rates */ | |
737 | switch (rate) { | |
738 | case 8000: return 5; | |
739 | case 11025: return 4; | |
740 | case 16000: return 3; | |
741 | case 22050: return 2; | |
742 | case 44100: return 1; | |
743 | case 48000: return 0; | |
744 | default: | |
745 | goto __variable; | |
746 | } | |
747 | __variable: | |
748 | val = 1536000 / rate; | |
749 | if (real_rate) | |
750 | *real_rate = 1536000 / val; | |
751 | return val; | |
752 | } | |
753 | ||
754 | static void snd_cs4281_mode(cs4281_t *chip, cs4281_dma_t *dma, snd_pcm_runtime_t *runtime, int capture, int src) | |
755 | { | |
756 | int rec_mono; | |
757 | ||
758 | dma->valDMR = BA0_DMR_TYPE_SINGLE | BA0_DMR_AUTO | | |
759 | (capture ? BA0_DMR_TR_WRITE : BA0_DMR_TR_READ); | |
760 | if (runtime->channels == 1) | |
761 | dma->valDMR |= BA0_DMR_MONO; | |
762 | if (snd_pcm_format_unsigned(runtime->format) > 0) | |
763 | dma->valDMR |= BA0_DMR_USIGN; | |
764 | if (snd_pcm_format_big_endian(runtime->format) > 0) | |
765 | dma->valDMR |= BA0_DMR_BEND; | |
766 | switch (snd_pcm_format_width(runtime->format)) { | |
767 | case 8: dma->valDMR |= BA0_DMR_SIZE8; | |
768 | if (runtime->channels == 1) | |
769 | dma->valDMR |= BA0_DMR_SWAPC; | |
770 | break; | |
771 | case 32: dma->valDMR |= BA0_DMR_SIZE20; break; | |
772 | } | |
773 | dma->frag = 0; /* for workaround */ | |
774 | dma->valDCR = BA0_DCR_TCIE | BA0_DCR_MSK; | |
775 | if (runtime->buffer_size != runtime->period_size) | |
776 | dma->valDCR |= BA0_DCR_HTCIE; | |
777 | /* Initialize DMA */ | |
778 | snd_cs4281_pokeBA0(chip, dma->regDBA, runtime->dma_addr); | |
779 | snd_cs4281_pokeBA0(chip, dma->regDBC, runtime->buffer_size - 1); | |
780 | rec_mono = (chip->dma[1].valDMR & BA0_DMR_MONO) == BA0_DMR_MONO; | |
781 | snd_cs4281_pokeBA0(chip, BA0_SRCSA, (chip->src_left_play_slot << 0) | | |
782 | (chip->src_right_play_slot << 8) | | |
783 | (chip->src_left_rec_slot << 16) | | |
784 | ((rec_mono ? 31 : chip->src_right_rec_slot) << 24)); | |
785 | if (!src) | |
786 | goto __skip_src; | |
787 | if (!capture) { | |
788 | if (dma->left_slot == chip->src_left_play_slot) { | |
789 | unsigned int val = snd_cs4281_rate(runtime->rate, NULL); | |
790 | snd_assert(dma->right_slot == chip->src_right_play_slot, ); | |
791 | snd_cs4281_pokeBA0(chip, BA0_DACSR, val); | |
792 | } | |
793 | } else { | |
794 | if (dma->left_slot == chip->src_left_rec_slot) { | |
795 | unsigned int val = snd_cs4281_rate(runtime->rate, NULL); | |
796 | snd_assert(dma->right_slot == chip->src_right_rec_slot, ); | |
797 | snd_cs4281_pokeBA0(chip, BA0_ADCSR, val); | |
798 | } | |
799 | } | |
800 | __skip_src: | |
801 | /* Deactivate wave playback FIFO before changing slot assignments */ | |
802 | if (dma->regFCR == BA0_FCR0) | |
803 | snd_cs4281_pokeBA0(chip, dma->regFCR, snd_cs4281_peekBA0(chip, dma->regFCR) & ~BA0_FCR_FEN); | |
804 | /* Initialize FIFO */ | |
805 | dma->valFCR = BA0_FCR_LS(dma->left_slot) | | |
806 | BA0_FCR_RS(capture && (dma->valDMR & BA0_DMR_MONO) ? 31 : dma->right_slot) | | |
807 | BA0_FCR_SZ(CS4281_FIFO_SIZE) | | |
808 | BA0_FCR_OF(dma->fifo_offset); | |
809 | snd_cs4281_pokeBA0(chip, dma->regFCR, dma->valFCR | (capture ? BA0_FCR_PSH : 0)); | |
810 | /* Activate FIFO again for FM playback */ | |
811 | if (dma->regFCR == BA0_FCR0) | |
812 | snd_cs4281_pokeBA0(chip, dma->regFCR, dma->valFCR | BA0_FCR_FEN); | |
813 | /* Clear FIFO Status and Interrupt Control Register */ | |
814 | snd_cs4281_pokeBA0(chip, dma->regFSIC, 0); | |
815 | } | |
816 | ||
817 | static int snd_cs4281_hw_params(snd_pcm_substream_t * substream, | |
818 | snd_pcm_hw_params_t * hw_params) | |
819 | { | |
820 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); | |
821 | } | |
822 | ||
823 | static int snd_cs4281_hw_free(snd_pcm_substream_t * substream) | |
824 | { | |
825 | return snd_pcm_lib_free_pages(substream); | |
826 | } | |
827 | ||
828 | static int snd_cs4281_playback_prepare(snd_pcm_substream_t * substream) | |
829 | { | |
830 | snd_pcm_runtime_t *runtime = substream->runtime; | |
831 | cs4281_dma_t *dma = (cs4281_dma_t *)runtime->private_data; | |
832 | cs4281_t *chip = snd_pcm_substream_chip(substream); | |
833 | ||
834 | spin_lock_irq(&chip->reg_lock); | |
835 | snd_cs4281_mode(chip, dma, runtime, 0, 1); | |
836 | spin_unlock_irq(&chip->reg_lock); | |
837 | return 0; | |
838 | } | |
839 | ||
840 | static int snd_cs4281_capture_prepare(snd_pcm_substream_t * substream) | |
841 | { | |
842 | snd_pcm_runtime_t *runtime = substream->runtime; | |
843 | cs4281_dma_t *dma = (cs4281_dma_t *)runtime->private_data; | |
844 | cs4281_t *chip = snd_pcm_substream_chip(substream); | |
845 | ||
846 | spin_lock_irq(&chip->reg_lock); | |
847 | snd_cs4281_mode(chip, dma, runtime, 1, 1); | |
848 | spin_unlock_irq(&chip->reg_lock); | |
849 | return 0; | |
850 | } | |
851 | ||
852 | static snd_pcm_uframes_t snd_cs4281_pointer(snd_pcm_substream_t * substream) | |
853 | { | |
854 | snd_pcm_runtime_t *runtime = substream->runtime; | |
855 | cs4281_dma_t *dma = (cs4281_dma_t *)runtime->private_data; | |
856 | cs4281_t *chip = snd_pcm_substream_chip(substream); | |
857 | ||
858 | // printk("DCC = 0x%x, buffer_size = 0x%x, jiffies = %li\n", snd_cs4281_peekBA0(chip, dma->regDCC), runtime->buffer_size, jiffies); | |
859 | return runtime->buffer_size - | |
860 | snd_cs4281_peekBA0(chip, dma->regDCC) - 1; | |
861 | } | |
862 | ||
863 | static snd_pcm_hardware_t snd_cs4281_playback = | |
864 | { | |
865 | .info = (SNDRV_PCM_INFO_MMAP | | |
866 | SNDRV_PCM_INFO_INTERLEAVED | | |
867 | SNDRV_PCM_INFO_MMAP_VALID | | |
868 | SNDRV_PCM_INFO_PAUSE | | |
869 | SNDRV_PCM_INFO_RESUME | | |
870 | SNDRV_PCM_INFO_SYNC_START), | |
871 | .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | | |
872 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
873 | SNDRV_PCM_FMTBIT_U16_BE | SNDRV_PCM_FMTBIT_S16_BE | | |
874 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_S32_LE | | |
875 | SNDRV_PCM_FMTBIT_U32_BE | SNDRV_PCM_FMTBIT_S32_BE, | |
876 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, | |
877 | .rate_min = 4000, | |
878 | .rate_max = 48000, | |
879 | .channels_min = 1, | |
880 | .channels_max = 2, | |
881 | .buffer_bytes_max = (512*1024), | |
882 | .period_bytes_min = 64, | |
883 | .period_bytes_max = (512*1024), | |
884 | .periods_min = 1, | |
885 | .periods_max = 2, | |
886 | .fifo_size = CS4281_FIFO_SIZE, | |
887 | }; | |
888 | ||
889 | static snd_pcm_hardware_t snd_cs4281_capture = | |
890 | { | |
891 | .info = (SNDRV_PCM_INFO_MMAP | | |
892 | SNDRV_PCM_INFO_INTERLEAVED | | |
893 | SNDRV_PCM_INFO_MMAP_VALID | | |
894 | SNDRV_PCM_INFO_PAUSE | | |
895 | SNDRV_PCM_INFO_RESUME | | |
896 | SNDRV_PCM_INFO_SYNC_START), | |
897 | .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | | |
898 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
899 | SNDRV_PCM_FMTBIT_U16_BE | SNDRV_PCM_FMTBIT_S16_BE | | |
900 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_S32_LE | | |
901 | SNDRV_PCM_FMTBIT_U32_BE | SNDRV_PCM_FMTBIT_S32_BE, | |
902 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, | |
903 | .rate_min = 4000, | |
904 | .rate_max = 48000, | |
905 | .channels_min = 1, | |
906 | .channels_max = 2, | |
907 | .buffer_bytes_max = (512*1024), | |
908 | .period_bytes_min = 64, | |
909 | .period_bytes_max = (512*1024), | |
910 | .periods_min = 1, | |
911 | .periods_max = 2, | |
912 | .fifo_size = CS4281_FIFO_SIZE, | |
913 | }; | |
914 | ||
915 | static int snd_cs4281_playback_open(snd_pcm_substream_t * substream) | |
916 | { | |
917 | cs4281_t *chip = snd_pcm_substream_chip(substream); | |
918 | snd_pcm_runtime_t *runtime = substream->runtime; | |
919 | cs4281_dma_t *dma; | |
920 | ||
921 | dma = &chip->dma[0]; | |
922 | dma->substream = substream; | |
923 | dma->left_slot = 0; | |
924 | dma->right_slot = 1; | |
925 | runtime->private_data = dma; | |
926 | runtime->hw = snd_cs4281_playback; | |
927 | snd_pcm_set_sync(substream); | |
928 | /* should be detected from the AC'97 layer, but it seems | |
929 | that although CS4297A rev B reports 18-bit ADC resolution, | |
930 | samples are 20-bit */ | |
931 | snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20); | |
932 | return 0; | |
933 | } | |
934 | ||
935 | static int snd_cs4281_capture_open(snd_pcm_substream_t * substream) | |
936 | { | |
937 | cs4281_t *chip = snd_pcm_substream_chip(substream); | |
938 | snd_pcm_runtime_t *runtime = substream->runtime; | |
939 | cs4281_dma_t *dma; | |
940 | ||
941 | dma = &chip->dma[1]; | |
942 | dma->substream = substream; | |
943 | dma->left_slot = 10; | |
944 | dma->right_slot = 11; | |
945 | runtime->private_data = dma; | |
946 | runtime->hw = snd_cs4281_capture; | |
947 | snd_pcm_set_sync(substream); | |
948 | /* should be detected from the AC'97 layer, but it seems | |
949 | that although CS4297A rev B reports 18-bit ADC resolution, | |
950 | samples are 20-bit */ | |
951 | snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20); | |
952 | return 0; | |
953 | } | |
954 | ||
955 | static int snd_cs4281_playback_close(snd_pcm_substream_t * substream) | |
956 | { | |
957 | cs4281_dma_t *dma = (cs4281_dma_t *)substream->runtime->private_data; | |
958 | ||
959 | dma->substream = NULL; | |
960 | return 0; | |
961 | } | |
962 | ||
963 | static int snd_cs4281_capture_close(snd_pcm_substream_t * substream) | |
964 | { | |
965 | cs4281_dma_t *dma = (cs4281_dma_t *)substream->runtime->private_data; | |
966 | ||
967 | dma->substream = NULL; | |
968 | return 0; | |
969 | } | |
970 | ||
971 | static snd_pcm_ops_t snd_cs4281_playback_ops = { | |
972 | .open = snd_cs4281_playback_open, | |
973 | .close = snd_cs4281_playback_close, | |
974 | .ioctl = snd_pcm_lib_ioctl, | |
975 | .hw_params = snd_cs4281_hw_params, | |
976 | .hw_free = snd_cs4281_hw_free, | |
977 | .prepare = snd_cs4281_playback_prepare, | |
978 | .trigger = snd_cs4281_trigger, | |
979 | .pointer = snd_cs4281_pointer, | |
980 | }; | |
981 | ||
982 | static snd_pcm_ops_t snd_cs4281_capture_ops = { | |
983 | .open = snd_cs4281_capture_open, | |
984 | .close = snd_cs4281_capture_close, | |
985 | .ioctl = snd_pcm_lib_ioctl, | |
986 | .hw_params = snd_cs4281_hw_params, | |
987 | .hw_free = snd_cs4281_hw_free, | |
988 | .prepare = snd_cs4281_capture_prepare, | |
989 | .trigger = snd_cs4281_trigger, | |
990 | .pointer = snd_cs4281_pointer, | |
991 | }; | |
992 | ||
993 | static void snd_cs4281_pcm_free(snd_pcm_t *pcm) | |
994 | { | |
995 | cs4281_t *chip = pcm->private_data; | |
996 | chip->pcm = NULL; | |
997 | snd_pcm_lib_preallocate_free_for_all(pcm); | |
998 | } | |
999 | ||
1000 | static int __devinit snd_cs4281_pcm(cs4281_t * chip, int device, snd_pcm_t ** rpcm) | |
1001 | { | |
1002 | snd_pcm_t *pcm; | |
1003 | int err; | |
1004 | ||
1005 | if (rpcm) | |
1006 | *rpcm = NULL; | |
1007 | err = snd_pcm_new(chip->card, "CS4281", device, 1, 1, &pcm); | |
1008 | if (err < 0) | |
1009 | return err; | |
1010 | ||
1011 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs4281_playback_ops); | |
1012 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cs4281_capture_ops); | |
1013 | ||
1014 | pcm->private_data = chip; | |
1015 | pcm->private_free = snd_cs4281_pcm_free; | |
1016 | pcm->info_flags = 0; | |
1017 | strcpy(pcm->name, "CS4281"); | |
1018 | chip->pcm = pcm; | |
1019 | ||
1020 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | |
1021 | snd_dma_pci_data(chip->pci), 64*1024, 512*1024); | |
1022 | ||
1023 | if (rpcm) | |
1024 | *rpcm = pcm; | |
1025 | return 0; | |
1026 | } | |
1027 | ||
1028 | /* | |
1029 | * Mixer section | |
1030 | */ | |
1031 | ||
1032 | #define CS_VOL_MASK 0x1f | |
1033 | ||
1034 | static int snd_cs4281_info_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo) | |
1035 | { | |
1036 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
1037 | uinfo->count = 2; | |
1038 | uinfo->value.integer.min = 0; | |
1039 | uinfo->value.integer.max = CS_VOL_MASK; | |
1040 | return 0; | |
1041 | } | |
1042 | ||
1043 | static int snd_cs4281_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) | |
1044 | { | |
1045 | cs4281_t *chip = snd_kcontrol_chip(kcontrol); | |
1046 | int regL = (kcontrol->private_value >> 16) & 0xffff; | |
1047 | int regR = kcontrol->private_value & 0xffff; | |
1048 | int volL, volR; | |
1049 | ||
1050 | volL = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regL) & CS_VOL_MASK); | |
1051 | volR = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regR) & CS_VOL_MASK); | |
1052 | ||
1053 | ucontrol->value.integer.value[0] = volL; | |
1054 | ucontrol->value.integer.value[1] = volR; | |
1055 | return 0; | |
1056 | } | |
1057 | ||
1058 | static int snd_cs4281_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) | |
1059 | { | |
1060 | cs4281_t *chip = snd_kcontrol_chip(kcontrol); | |
1061 | int change = 0; | |
1062 | int regL = (kcontrol->private_value >> 16) & 0xffff; | |
1063 | int regR = kcontrol->private_value & 0xffff; | |
1064 | int volL, volR; | |
1065 | ||
1066 | volL = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regL) & CS_VOL_MASK); | |
1067 | volR = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regR) & CS_VOL_MASK); | |
1068 | ||
1069 | if (ucontrol->value.integer.value[0] != volL) { | |
1070 | volL = CS_VOL_MASK - (ucontrol->value.integer.value[0] & CS_VOL_MASK); | |
1071 | snd_cs4281_pokeBA0(chip, regL, volL); | |
1072 | change = 1; | |
1073 | } | |
1074 | if (ucontrol->value.integer.value[0] != volL) { | |
1075 | volR = CS_VOL_MASK - (ucontrol->value.integer.value[1] & CS_VOL_MASK); | |
1076 | snd_cs4281_pokeBA0(chip, regR, volR); | |
1077 | change = 1; | |
1078 | } | |
1079 | return change; | |
1080 | } | |
1081 | ||
1082 | static snd_kcontrol_new_t snd_cs4281_fm_vol = | |
1083 | { | |
1084 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1085 | .name = "Synth Playback Volume", | |
1086 | .info = snd_cs4281_info_volume, | |
1087 | .get = snd_cs4281_get_volume, | |
1088 | .put = snd_cs4281_put_volume, | |
1089 | .private_value = ((BA0_FMLVC << 16) | BA0_FMRVC), | |
1090 | }; | |
1091 | ||
1092 | static snd_kcontrol_new_t snd_cs4281_pcm_vol = | |
1093 | { | |
1094 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1095 | .name = "PCM Stream Playback Volume", | |
1096 | .info = snd_cs4281_info_volume, | |
1097 | .get = snd_cs4281_get_volume, | |
1098 | .put = snd_cs4281_put_volume, | |
1099 | .private_value = ((BA0_PPLVC << 16) | BA0_PPRVC), | |
1100 | }; | |
1101 | ||
1102 | static void snd_cs4281_mixer_free_ac97_bus(ac97_bus_t *bus) | |
1103 | { | |
1104 | cs4281_t *chip = bus->private_data; | |
1105 | chip->ac97_bus = NULL; | |
1106 | } | |
1107 | ||
1108 | static void snd_cs4281_mixer_free_ac97(ac97_t *ac97) | |
1109 | { | |
1110 | cs4281_t *chip = ac97->private_data; | |
1111 | if (ac97->num) | |
1112 | chip->ac97_secondary = NULL; | |
1113 | else | |
1114 | chip->ac97 = NULL; | |
1115 | } | |
1116 | ||
1117 | static int __devinit snd_cs4281_mixer(cs4281_t * chip) | |
1118 | { | |
1119 | snd_card_t *card = chip->card; | |
1120 | ac97_template_t ac97; | |
1121 | int err; | |
1122 | static ac97_bus_ops_t ops = { | |
1123 | .write = snd_cs4281_ac97_write, | |
1124 | .read = snd_cs4281_ac97_read, | |
1125 | }; | |
1126 | ||
1127 | if ((err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus)) < 0) | |
1128 | return err; | |
1129 | chip->ac97_bus->private_free = snd_cs4281_mixer_free_ac97_bus; | |
1130 | ||
1131 | memset(&ac97, 0, sizeof(ac97)); | |
1132 | ac97.private_data = chip; | |
1133 | ac97.private_free = snd_cs4281_mixer_free_ac97; | |
1134 | if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) | |
1135 | return err; | |
1136 | if (chip->dual_codec) { | |
1137 | ac97.num = 1; | |
1138 | if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_secondary)) < 0) | |
1139 | return err; | |
1140 | } | |
1141 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4281_fm_vol, chip))) < 0) | |
1142 | return err; | |
1143 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4281_pcm_vol, chip))) < 0) | |
1144 | return err; | |
1145 | return 0; | |
1146 | } | |
1147 | ||
1148 | ||
1149 | /* | |
1150 | * proc interface | |
1151 | */ | |
1152 | ||
1153 | static void snd_cs4281_proc_read(snd_info_entry_t *entry, | |
1154 | snd_info_buffer_t * buffer) | |
1155 | { | |
1156 | cs4281_t *chip = entry->private_data; | |
1157 | ||
1158 | snd_iprintf(buffer, "Cirrus Logic CS4281\n\n"); | |
1159 | snd_iprintf(buffer, "Spurious half IRQs : %u\n", chip->spurious_dhtc_irq); | |
1160 | snd_iprintf(buffer, "Spurious end IRQs : %u\n", chip->spurious_dtc_irq); | |
1161 | } | |
1162 | ||
1163 | static long snd_cs4281_BA0_read(snd_info_entry_t *entry, void *file_private_data, | |
1164 | struct file *file, char __user *buf, | |
1165 | unsigned long count, unsigned long pos) | |
1166 | { | |
1167 | long size; | |
1168 | cs4281_t *chip = entry->private_data; | |
1169 | ||
1170 | size = count; | |
1171 | if (pos + size > CS4281_BA0_SIZE) | |
1172 | size = (long)CS4281_BA0_SIZE - pos; | |
1173 | if (size > 0) { | |
1174 | if (copy_to_user_fromio(buf, chip->ba0 + pos, size)) | |
1175 | return -EFAULT; | |
1176 | } | |
1177 | return size; | |
1178 | } | |
1179 | ||
1180 | static long snd_cs4281_BA1_read(snd_info_entry_t *entry, void *file_private_data, | |
1181 | struct file *file, char __user *buf, | |
1182 | unsigned long count, unsigned long pos) | |
1183 | { | |
1184 | long size; | |
1185 | cs4281_t *chip = entry->private_data; | |
1186 | ||
1187 | size = count; | |
1188 | if (pos + size > CS4281_BA1_SIZE) | |
1189 | size = (long)CS4281_BA1_SIZE - pos; | |
1190 | if (size > 0) { | |
1191 | if (copy_to_user_fromio(buf, chip->ba1 + pos, size)) | |
1192 | return -EFAULT; | |
1193 | } | |
1194 | return size; | |
1195 | } | |
1196 | ||
1197 | static struct snd_info_entry_ops snd_cs4281_proc_ops_BA0 = { | |
1198 | .read = snd_cs4281_BA0_read, | |
1199 | }; | |
1200 | ||
1201 | static struct snd_info_entry_ops snd_cs4281_proc_ops_BA1 = { | |
1202 | .read = snd_cs4281_BA1_read, | |
1203 | }; | |
1204 | ||
1205 | static void __devinit snd_cs4281_proc_init(cs4281_t * chip) | |
1206 | { | |
1207 | snd_info_entry_t *entry; | |
1208 | ||
1209 | if (! snd_card_proc_new(chip->card, "cs4281", &entry)) | |
1210 | snd_info_set_text_ops(entry, chip, 1024, snd_cs4281_proc_read); | |
1211 | if (! snd_card_proc_new(chip->card, "cs4281_BA0", &entry)) { | |
1212 | entry->content = SNDRV_INFO_CONTENT_DATA; | |
1213 | entry->private_data = chip; | |
1214 | entry->c.ops = &snd_cs4281_proc_ops_BA0; | |
1215 | entry->size = CS4281_BA0_SIZE; | |
1216 | } | |
1217 | if (! snd_card_proc_new(chip->card, "cs4281_BA1", &entry)) { | |
1218 | entry->content = SNDRV_INFO_CONTENT_DATA; | |
1219 | entry->private_data = chip; | |
1220 | entry->c.ops = &snd_cs4281_proc_ops_BA1; | |
1221 | entry->size = CS4281_BA1_SIZE; | |
1222 | } | |
1223 | } | |
1224 | ||
1225 | /* | |
1226 | * joystick support | |
1227 | */ | |
1228 | ||
1229 | #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) | |
1230 | ||
1231 | static void snd_cs4281_gameport_trigger(struct gameport *gameport) | |
1232 | { | |
1233 | cs4281_t *chip = gameport_get_port_data(gameport); | |
1234 | ||
1235 | snd_assert(chip, return); | |
1236 | snd_cs4281_pokeBA0(chip, BA0_JSPT, 0xff); | |
1237 | } | |
1238 | ||
1239 | static unsigned char snd_cs4281_gameport_read(struct gameport *gameport) | |
1240 | { | |
1241 | cs4281_t *chip = gameport_get_port_data(gameport); | |
1242 | ||
1243 | snd_assert(chip, return 0); | |
1244 | return snd_cs4281_peekBA0(chip, BA0_JSPT); | |
1245 | } | |
1246 | ||
1247 | #ifdef COOKED_MODE | |
1248 | static int snd_cs4281_gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons) | |
1249 | { | |
1250 | cs4281_t *chip = gameport_get_port_data(gameport); | |
1251 | unsigned js1, js2, jst; | |
1252 | ||
1253 | snd_assert(chip, return 0); | |
1254 | ||
1255 | js1 = snd_cs4281_peekBA0(chip, BA0_JSC1); | |
1256 | js2 = snd_cs4281_peekBA0(chip, BA0_JSC2); | |
1257 | jst = snd_cs4281_peekBA0(chip, BA0_JSPT); | |
1258 | ||
1259 | *buttons = (~jst >> 4) & 0x0F; | |
1260 | ||
1261 | axes[0] = ((js1 & JSC1_Y1V_MASK) >> JSC1_Y1V_SHIFT) & 0xFFFF; | |
1262 | axes[1] = ((js1 & JSC1_X1V_MASK) >> JSC1_X1V_SHIFT) & 0xFFFF; | |
1263 | axes[2] = ((js2 & JSC2_Y2V_MASK) >> JSC2_Y2V_SHIFT) & 0xFFFF; | |
1264 | axes[3] = ((js2 & JSC2_X2V_MASK) >> JSC2_X2V_SHIFT) & 0xFFFF; | |
1265 | ||
1266 | for (jst = 0; jst < 4; ++jst) | |
1267 | if (axes[jst] == 0xFFFF) axes[jst] = -1; | |
1268 | return 0; | |
1269 | } | |
1270 | #else | |
1271 | #define snd_cs4281_gameport_cooked_read NULL | |
1272 | #endif | |
1273 | ||
1274 | static int snd_cs4281_gameport_open(struct gameport *gameport, int mode) | |
1275 | { | |
1276 | switch (mode) { | |
1277 | #ifdef COOKED_MODE | |
1278 | case GAMEPORT_MODE_COOKED: | |
1279 | return 0; | |
1280 | #endif | |
1281 | case GAMEPORT_MODE_RAW: | |
1282 | return 0; | |
1283 | default: | |
1284 | return -1; | |
1285 | } | |
1286 | return 0; | |
1287 | } | |
1288 | ||
1289 | static int __devinit snd_cs4281_create_gameport(cs4281_t *chip) | |
1290 | { | |
1291 | struct gameport *gp; | |
1292 | ||
1293 | chip->gameport = gp = gameport_allocate_port(); | |
1294 | if (!gp) { | |
1295 | printk(KERN_ERR "cs4281: cannot allocate memory for gameport\n"); | |
1296 | return -ENOMEM; | |
1297 | } | |
1298 | ||
1299 | gameport_set_name(gp, "CS4281 Gameport"); | |
1300 | gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); | |
1301 | gameport_set_dev_parent(gp, &chip->pci->dev); | |
1302 | gp->open = snd_cs4281_gameport_open; | |
1303 | gp->read = snd_cs4281_gameport_read; | |
1304 | gp->trigger = snd_cs4281_gameport_trigger; | |
1305 | gp->cooked_read = snd_cs4281_gameport_cooked_read; | |
1306 | gameport_set_port_data(gp, chip); | |
1307 | ||
1308 | snd_cs4281_pokeBA0(chip, BA0_JSIO, 0xFF); // ? | |
1309 | snd_cs4281_pokeBA0(chip, BA0_JSCTL, JSCTL_SP_MEDIUM_SLOW); | |
1310 | ||
1311 | gameport_register_port(gp); | |
1312 | ||
1313 | return 0; | |
1314 | } | |
1315 | ||
1316 | static void snd_cs4281_free_gameport(cs4281_t *chip) | |
1317 | { | |
1318 | if (chip->gameport) { | |
1319 | gameport_unregister_port(chip->gameport); | |
1320 | chip->gameport = NULL; | |
1321 | } | |
1322 | } | |
1323 | #else | |
1324 | static inline int snd_cs4281_create_gameport(cs4281_t *chip) { return -ENOSYS; } | |
1325 | static inline void snd_cs4281_free_gameport(cs4281_t *chip) { } | |
1326 | #endif /* CONFIG_GAMEPORT || (MODULE && CONFIG_GAMEPORT_MODULE) */ | |
1327 | ||
1da177e4 LT |
1328 | static int snd_cs4281_free(cs4281_t *chip) |
1329 | { | |
1330 | snd_cs4281_free_gameport(chip); | |
1331 | ||
1332 | if (chip->irq >= 0) | |
1333 | synchronize_irq(chip->irq); | |
1334 | ||
1335 | /* Mask interrupts */ | |
1336 | snd_cs4281_pokeBA0(chip, BA0_HIMR, 0x7fffffff); | |
1337 | /* Stop the DLL Clock logic. */ | |
1338 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, 0); | |
1339 | /* Sound System Power Management - Turn Everything OFF */ | |
1340 | snd_cs4281_pokeBA0(chip, BA0_SSPM, 0); | |
1341 | /* PCI interface - D3 state */ | |
1342 | pci_set_power_state(chip->pci, 3); | |
1343 | ||
1344 | if (chip->irq >= 0) | |
1345 | free_irq(chip->irq, (void *)chip); | |
1346 | if (chip->ba0) | |
1347 | iounmap(chip->ba0); | |
1348 | if (chip->ba1) | |
1349 | iounmap(chip->ba1); | |
1350 | pci_release_regions(chip->pci); | |
1351 | pci_disable_device(chip->pci); | |
1352 | ||
1353 | kfree(chip); | |
1354 | return 0; | |
1355 | } | |
1356 | ||
1357 | static int snd_cs4281_dev_free(snd_device_t *device) | |
1358 | { | |
1359 | cs4281_t *chip = device->device_data; | |
1360 | return snd_cs4281_free(chip); | |
1361 | } | |
1362 | ||
1363 | static int snd_cs4281_chip_init(cs4281_t *chip); /* defined below */ | |
1364 | #ifdef CONFIG_PM | |
1365 | static int cs4281_suspend(snd_card_t *card, pm_message_t state); | |
1366 | static int cs4281_resume(snd_card_t *card); | |
1367 | #endif | |
1368 | ||
1369 | static int __devinit snd_cs4281_create(snd_card_t * card, | |
1370 | struct pci_dev *pci, | |
1371 | cs4281_t ** rchip, | |
1372 | int dual_codec) | |
1373 | { | |
1374 | cs4281_t *chip; | |
1375 | unsigned int tmp; | |
1376 | int err; | |
1377 | static snd_device_ops_t ops = { | |
1378 | .dev_free = snd_cs4281_dev_free, | |
1379 | }; | |
1380 | ||
1381 | *rchip = NULL; | |
1382 | if ((err = pci_enable_device(pci)) < 0) | |
1383 | return err; | |
e560d8d8 | 1384 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
1da177e4 LT |
1385 | if (chip == NULL) { |
1386 | pci_disable_device(pci); | |
1387 | return -ENOMEM; | |
1388 | } | |
1389 | spin_lock_init(&chip->reg_lock); | |
1390 | chip->card = card; | |
1391 | chip->pci = pci; | |
1392 | chip->irq = -1; | |
1393 | pci_set_master(pci); | |
1394 | if (dual_codec < 0 || dual_codec > 3) { | |
1395 | snd_printk(KERN_ERR "invalid dual_codec option %d\n", dual_codec); | |
1396 | dual_codec = 0; | |
1397 | } | |
1398 | chip->dual_codec = dual_codec; | |
1399 | ||
1400 | if ((err = pci_request_regions(pci, "CS4281")) < 0) { | |
1401 | kfree(chip); | |
1402 | pci_disable_device(pci); | |
1403 | return err; | |
1404 | } | |
1405 | chip->ba0_addr = pci_resource_start(pci, 0); | |
1406 | chip->ba1_addr = pci_resource_start(pci, 1); | |
1407 | ||
1408 | if (request_irq(pci->irq, snd_cs4281_interrupt, SA_INTERRUPT|SA_SHIRQ, "CS4281", (void *)chip)) { | |
1409 | snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); | |
1410 | snd_cs4281_free(chip); | |
1411 | return -ENOMEM; | |
1412 | } | |
1413 | chip->irq = pci->irq; | |
1414 | ||
1415 | chip->ba0 = ioremap_nocache(chip->ba0_addr, pci_resource_len(pci, 0)); | |
1416 | chip->ba1 = ioremap_nocache(chip->ba1_addr, pci_resource_len(pci, 1)); | |
1417 | if (!chip->ba0 || !chip->ba1) { | |
1418 | snd_cs4281_free(chip); | |
1419 | return -ENOMEM; | |
1420 | } | |
1421 | ||
1422 | tmp = snd_cs4281_chip_init(chip); | |
1423 | if (tmp) { | |
1424 | snd_cs4281_free(chip); | |
1425 | return tmp; | |
1426 | } | |
1427 | ||
1428 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { | |
1429 | snd_cs4281_free(chip); | |
1430 | return err; | |
1431 | } | |
1432 | ||
1433 | snd_cs4281_proc_init(chip); | |
1434 | ||
1435 | snd_card_set_pm_callback(card, cs4281_suspend, cs4281_resume, chip); | |
1436 | ||
1437 | snd_card_set_dev(card, &pci->dev); | |
1438 | ||
1439 | *rchip = chip; | |
1440 | return 0; | |
1441 | } | |
1442 | ||
1443 | static int snd_cs4281_chip_init(cs4281_t *chip) | |
1444 | { | |
1445 | unsigned int tmp; | |
1446 | int timeout; | |
1447 | int retry_count = 2; | |
1448 | ||
a488e033 AP |
1449 | /* Having EPPMC.FPDN=1 prevent proper chip initialisation */ |
1450 | tmp = snd_cs4281_peekBA0(chip, BA0_EPPMC); | |
1451 | if (tmp & BA0_EPPMC_FPDN) | |
1452 | snd_cs4281_pokeBA0(chip, BA0_EPPMC, tmp & ~BA0_EPPMC_FPDN); | |
1453 | ||
1da177e4 LT |
1454 | __retry: |
1455 | tmp = snd_cs4281_peekBA0(chip, BA0_CFLR); | |
1456 | if (tmp != BA0_CFLR_DEFAULT) { | |
1457 | snd_cs4281_pokeBA0(chip, BA0_CFLR, BA0_CFLR_DEFAULT); | |
1458 | tmp = snd_cs4281_peekBA0(chip, BA0_CFLR); | |
1459 | if (tmp != BA0_CFLR_DEFAULT) { | |
1460 | snd_printk(KERN_ERR "CFLR setup failed (0x%x)\n", tmp); | |
1461 | return -EIO; | |
1462 | } | |
1463 | } | |
1464 | ||
1465 | /* Set the 'Configuration Write Protect' register | |
1466 | * to 4281h. Allows vendor-defined configuration | |
1467 | * space between 0e4h and 0ffh to be written. */ | |
1468 | snd_cs4281_pokeBA0(chip, BA0_CWPR, 0x4281); | |
1469 | ||
1470 | if ((tmp = snd_cs4281_peekBA0(chip, BA0_SERC1)) != (BA0_SERC1_SO1EN | BA0_SERC1_AC97)) { | |
1471 | snd_printk(KERN_ERR "SERC1 AC'97 check failed (0x%x)\n", tmp); | |
1472 | return -EIO; | |
1473 | } | |
1474 | if ((tmp = snd_cs4281_peekBA0(chip, BA0_SERC2)) != (BA0_SERC2_SI1EN | BA0_SERC2_AC97)) { | |
1475 | snd_printk(KERN_ERR "SERC2 AC'97 check failed (0x%x)\n", tmp); | |
1476 | return -EIO; | |
1477 | } | |
1478 | ||
1479 | /* Sound System Power Management */ | |
1480 | snd_cs4281_pokeBA0(chip, BA0_SSPM, BA0_SSPM_MIXEN | BA0_SSPM_CSRCEN | | |
1481 | BA0_SSPM_PSRCEN | BA0_SSPM_JSEN | | |
1482 | BA0_SSPM_ACLEN | BA0_SSPM_FMEN); | |
1483 | ||
1484 | /* Serial Port Power Management */ | |
1485 | /* Blast the clock control register to zero so that the | |
1486 | * PLL starts out in a known state, and blast the master serial | |
1487 | * port control register to zero so that the serial ports also | |
1488 | * start out in a known state. */ | |
1489 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, 0); | |
1490 | snd_cs4281_pokeBA0(chip, BA0_SERMC, 0); | |
1491 | ||
1492 | /* Make ESYN go to zero to turn off | |
1493 | * the Sync pulse on the AC97 link. */ | |
1494 | snd_cs4281_pokeBA0(chip, BA0_ACCTL, 0); | |
1495 | udelay(50); | |
1496 | ||
1497 | /* Drive the ARST# pin low for a minimum of 1uS (as defined in the AC97 | |
1498 | * spec) and then drive it high. This is done for non AC97 modes since | |
1499 | * there might be logic external to the CS4281 that uses the ARST# line | |
1500 | * for a reset. */ | |
1501 | snd_cs4281_pokeBA0(chip, BA0_SPMC, 0); | |
1502 | udelay(50); | |
1503 | snd_cs4281_pokeBA0(chip, BA0_SPMC, BA0_SPMC_RSTN); | |
1504 | snd_cs4281_delay(50000); | |
1505 | ||
1506 | if (chip->dual_codec) | |
1507 | snd_cs4281_pokeBA0(chip, BA0_SPMC, BA0_SPMC_RSTN | BA0_SPMC_ASDI2E); | |
1508 | ||
1509 | /* | |
1510 | * Set the serial port timing configuration. | |
1511 | */ | |
1512 | snd_cs4281_pokeBA0(chip, BA0_SERMC, | |
1513 | (chip->dual_codec ? BA0_SERMC_TCID(chip->dual_codec) : BA0_SERMC_TCID(1)) | | |
1514 | BA0_SERMC_PTC_AC97 | BA0_SERMC_MSPE); | |
1515 | ||
1516 | /* | |
1517 | * Start the DLL Clock logic. | |
1518 | */ | |
1519 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, BA0_CLKCR1_DLLP); | |
1520 | snd_cs4281_delay(50000); | |
1521 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, BA0_CLKCR1_SWCE | BA0_CLKCR1_DLLP); | |
1522 | ||
1523 | /* | |
1524 | * Wait for the DLL ready signal from the clock logic. | |
1525 | */ | |
1526 | timeout = HZ; | |
1527 | do { | |
1528 | /* | |
1529 | * Read the AC97 status register to see if we've seen a CODEC | |
1530 | * signal from the AC97 codec. | |
1531 | */ | |
1532 | if (snd_cs4281_peekBA0(chip, BA0_CLKCR1) & BA0_CLKCR1_DLLRDY) | |
1533 | goto __ok0; | |
1534 | snd_cs4281_delay_long(); | |
1535 | } while (timeout-- > 0); | |
1536 | ||
1537 | snd_printk(KERN_ERR "DLLRDY not seen\n"); | |
1538 | return -EIO; | |
1539 | ||
1540 | __ok0: | |
1541 | ||
1542 | /* | |
1543 | * The first thing we do here is to enable sync generation. As soon | |
1544 | * as we start receiving bit clock, we'll start producing the SYNC | |
1545 | * signal. | |
1546 | */ | |
1547 | snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_ESYN); | |
1548 | ||
1549 | /* | |
1550 | * Wait for the codec ready signal from the AC97 codec. | |
1551 | */ | |
1552 | timeout = HZ; | |
1553 | do { | |
1554 | /* | |
1555 | * Read the AC97 status register to see if we've seen a CODEC | |
1556 | * signal from the AC97 codec. | |
1557 | */ | |
1558 | if (snd_cs4281_peekBA0(chip, BA0_ACSTS) & BA0_ACSTS_CRDY) | |
1559 | goto __ok1; | |
1560 | snd_cs4281_delay_long(); | |
1561 | } while (timeout-- > 0); | |
1562 | ||
1563 | snd_printk(KERN_ERR "never read codec ready from AC'97 (0x%x)\n", snd_cs4281_peekBA0(chip, BA0_ACSTS)); | |
1564 | return -EIO; | |
1565 | ||
1566 | __ok1: | |
1567 | if (chip->dual_codec) { | |
1568 | timeout = HZ; | |
1569 | do { | |
1570 | if (snd_cs4281_peekBA0(chip, BA0_ACSTS2) & BA0_ACSTS_CRDY) | |
1571 | goto __codec2_ok; | |
1572 | snd_cs4281_delay_long(); | |
1573 | } while (timeout-- > 0); | |
1574 | snd_printk(KERN_INFO "secondary codec doesn't respond. disable it...\n"); | |
1575 | chip->dual_codec = 0; | |
1576 | __codec2_ok: ; | |
1577 | } | |
1578 | ||
1579 | /* | |
1580 | * Assert the valid frame signal so that we can start sending commands | |
1581 | * to the AC97 codec. | |
1582 | */ | |
1583 | ||
1584 | snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_VFRM | BA0_ACCTL_ESYN); | |
1585 | ||
1586 | /* | |
1587 | * Wait until we've sampled input slots 3 and 4 as valid, meaning that | |
1588 | * the codec is pumping ADC data across the AC-link. | |
1589 | */ | |
1590 | ||
1591 | timeout = HZ; | |
1592 | do { | |
1593 | /* | |
1594 | * Read the input slot valid register and see if input slots 3 | |
1595 | * 4 are valid yet. | |
1596 | */ | |
1597 | if ((snd_cs4281_peekBA0(chip, BA0_ACISV) & (BA0_ACISV_SLV(3) | BA0_ACISV_SLV(4))) == (BA0_ACISV_SLV(3) | BA0_ACISV_SLV(4))) | |
1598 | goto __ok2; | |
1599 | snd_cs4281_delay_long(); | |
1600 | } while (timeout-- > 0); | |
1601 | ||
1602 | if (--retry_count > 0) | |
1603 | goto __retry; | |
1604 | snd_printk(KERN_ERR "never read ISV3 and ISV4 from AC'97\n"); | |
1605 | return -EIO; | |
1606 | ||
1607 | __ok2: | |
1608 | ||
1609 | /* | |
1610 | * Now, assert valid frame and the slot 3 and 4 valid bits. This will | |
1611 | * commense the transfer of digital audio data to the AC97 codec. | |
1612 | */ | |
1613 | snd_cs4281_pokeBA0(chip, BA0_ACOSV, BA0_ACOSV_SLV(3) | BA0_ACOSV_SLV(4)); | |
1614 | ||
1615 | /* | |
1616 | * Initialize DMA structures | |
1617 | */ | |
1618 | for (tmp = 0; tmp < 4; tmp++) { | |
1619 | cs4281_dma_t *dma = &chip->dma[tmp]; | |
1620 | dma->regDBA = BA0_DBA0 + (tmp * 0x10); | |
1621 | dma->regDCA = BA0_DCA0 + (tmp * 0x10); | |
1622 | dma->regDBC = BA0_DBC0 + (tmp * 0x10); | |
1623 | dma->regDCC = BA0_DCC0 + (tmp * 0x10); | |
1624 | dma->regDMR = BA0_DMR0 + (tmp * 8); | |
1625 | dma->regDCR = BA0_DCR0 + (tmp * 8); | |
1626 | dma->regHDSR = BA0_HDSR0 + (tmp * 4); | |
1627 | dma->regFCR = BA0_FCR0 + (tmp * 4); | |
1628 | dma->regFSIC = BA0_FSIC0 + (tmp * 4); | |
1629 | dma->fifo_offset = tmp * CS4281_FIFO_SIZE; | |
1630 | snd_cs4281_pokeBA0(chip, dma->regFCR, | |
1631 | BA0_FCR_LS(31) | | |
1632 | BA0_FCR_RS(31) | | |
1633 | BA0_FCR_SZ(CS4281_FIFO_SIZE) | | |
1634 | BA0_FCR_OF(dma->fifo_offset)); | |
1635 | } | |
1636 | ||
1637 | chip->src_left_play_slot = 0; /* AC'97 left PCM playback (3) */ | |
1638 | chip->src_right_play_slot = 1; /* AC'97 right PCM playback (4) */ | |
1639 | chip->src_left_rec_slot = 10; /* AC'97 left PCM record (3) */ | |
1640 | chip->src_right_rec_slot = 11; /* AC'97 right PCM record (4) */ | |
1641 | ||
1642 | /* Activate wave playback FIFO for FM playback */ | |
1643 | chip->dma[0].valFCR = BA0_FCR_FEN | BA0_FCR_LS(0) | | |
1644 | BA0_FCR_RS(1) | | |
1645 | BA0_FCR_SZ(CS4281_FIFO_SIZE) | | |
1646 | BA0_FCR_OF(chip->dma[0].fifo_offset); | |
1647 | snd_cs4281_pokeBA0(chip, chip->dma[0].regFCR, chip->dma[0].valFCR); | |
1648 | snd_cs4281_pokeBA0(chip, BA0_SRCSA, (chip->src_left_play_slot << 0) | | |
1649 | (chip->src_right_play_slot << 8) | | |
1650 | (chip->src_left_rec_slot << 16) | | |
1651 | (chip->src_right_rec_slot << 24)); | |
1652 | ||
1653 | /* Initialize digital volume */ | |
1654 | snd_cs4281_pokeBA0(chip, BA0_PPLVC, 0); | |
1655 | snd_cs4281_pokeBA0(chip, BA0_PPRVC, 0); | |
1656 | ||
1657 | /* Enable IRQs */ | |
1658 | snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI); | |
1659 | /* Unmask interrupts */ | |
1660 | snd_cs4281_pokeBA0(chip, BA0_HIMR, 0x7fffffff & ~( | |
1661 | BA0_HISR_MIDI | | |
1662 | BA0_HISR_DMAI | | |
1663 | BA0_HISR_DMA(0) | | |
1664 | BA0_HISR_DMA(1) | | |
1665 | BA0_HISR_DMA(2) | | |
1666 | BA0_HISR_DMA(3))); | |
1667 | synchronize_irq(chip->irq); | |
1668 | ||
1669 | return 0; | |
1670 | } | |
1671 | ||
1672 | /* | |
1673 | * MIDI section | |
1674 | */ | |
1675 | ||
1676 | static void snd_cs4281_midi_reset(cs4281_t *chip) | |
1677 | { | |
1678 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr | BA0_MIDCR_MRST); | |
1679 | udelay(100); | |
1680 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1681 | } | |
1682 | ||
1683 | static int snd_cs4281_midi_input_open(snd_rawmidi_substream_t * substream) | |
1684 | { | |
1685 | cs4281_t *chip = substream->rmidi->private_data; | |
1686 | ||
1687 | spin_lock_irq(&chip->reg_lock); | |
1688 | chip->midcr |= BA0_MIDCR_RXE; | |
1689 | chip->midi_input = substream; | |
1690 | if (!(chip->uartm & CS4281_MODE_OUTPUT)) { | |
1691 | snd_cs4281_midi_reset(chip); | |
1692 | } else { | |
1693 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1694 | } | |
1695 | spin_unlock_irq(&chip->reg_lock); | |
1696 | return 0; | |
1697 | } | |
1698 | ||
1699 | static int snd_cs4281_midi_input_close(snd_rawmidi_substream_t * substream) | |
1700 | { | |
1701 | cs4281_t *chip = substream->rmidi->private_data; | |
1702 | ||
1703 | spin_lock_irq(&chip->reg_lock); | |
1704 | chip->midcr &= ~(BA0_MIDCR_RXE | BA0_MIDCR_RIE); | |
1705 | chip->midi_input = NULL; | |
1706 | if (!(chip->uartm & CS4281_MODE_OUTPUT)) { | |
1707 | snd_cs4281_midi_reset(chip); | |
1708 | } else { | |
1709 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1710 | } | |
1711 | chip->uartm &= ~CS4281_MODE_INPUT; | |
1712 | spin_unlock_irq(&chip->reg_lock); | |
1713 | return 0; | |
1714 | } | |
1715 | ||
1716 | static int snd_cs4281_midi_output_open(snd_rawmidi_substream_t * substream) | |
1717 | { | |
1718 | cs4281_t *chip = substream->rmidi->private_data; | |
1719 | ||
1720 | spin_lock_irq(&chip->reg_lock); | |
1721 | chip->uartm |= CS4281_MODE_OUTPUT; | |
1722 | chip->midcr |= BA0_MIDCR_TXE; | |
1723 | chip->midi_output = substream; | |
1724 | if (!(chip->uartm & CS4281_MODE_INPUT)) { | |
1725 | snd_cs4281_midi_reset(chip); | |
1726 | } else { | |
1727 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1728 | } | |
1729 | spin_unlock_irq(&chip->reg_lock); | |
1730 | return 0; | |
1731 | } | |
1732 | ||
1733 | static int snd_cs4281_midi_output_close(snd_rawmidi_substream_t * substream) | |
1734 | { | |
1735 | cs4281_t *chip = substream->rmidi->private_data; | |
1736 | ||
1737 | spin_lock_irq(&chip->reg_lock); | |
1738 | chip->midcr &= ~(BA0_MIDCR_TXE | BA0_MIDCR_TIE); | |
1739 | chip->midi_output = NULL; | |
1740 | if (!(chip->uartm & CS4281_MODE_INPUT)) { | |
1741 | snd_cs4281_midi_reset(chip); | |
1742 | } else { | |
1743 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1744 | } | |
1745 | chip->uartm &= ~CS4281_MODE_OUTPUT; | |
1746 | spin_unlock_irq(&chip->reg_lock); | |
1747 | return 0; | |
1748 | } | |
1749 | ||
1750 | static void snd_cs4281_midi_input_trigger(snd_rawmidi_substream_t * substream, int up) | |
1751 | { | |
1752 | unsigned long flags; | |
1753 | cs4281_t *chip = substream->rmidi->private_data; | |
1754 | ||
1755 | spin_lock_irqsave(&chip->reg_lock, flags); | |
1756 | if (up) { | |
1757 | if ((chip->midcr & BA0_MIDCR_RIE) == 0) { | |
1758 | chip->midcr |= BA0_MIDCR_RIE; | |
1759 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1760 | } | |
1761 | } else { | |
1762 | if (chip->midcr & BA0_MIDCR_RIE) { | |
1763 | chip->midcr &= ~BA0_MIDCR_RIE; | |
1764 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1765 | } | |
1766 | } | |
1767 | spin_unlock_irqrestore(&chip->reg_lock, flags); | |
1768 | } | |
1769 | ||
1770 | static void snd_cs4281_midi_output_trigger(snd_rawmidi_substream_t * substream, int up) | |
1771 | { | |
1772 | unsigned long flags; | |
1773 | cs4281_t *chip = substream->rmidi->private_data; | |
1774 | unsigned char byte; | |
1775 | ||
1776 | spin_lock_irqsave(&chip->reg_lock, flags); | |
1777 | if (up) { | |
1778 | if ((chip->midcr & BA0_MIDCR_TIE) == 0) { | |
1779 | chip->midcr |= BA0_MIDCR_TIE; | |
1780 | /* fill UART FIFO buffer at first, and turn Tx interrupts only if necessary */ | |
1781 | while ((chip->midcr & BA0_MIDCR_TIE) && | |
1782 | (snd_cs4281_peekBA0(chip, BA0_MIDSR) & BA0_MIDSR_TBF) == 0) { | |
1783 | if (snd_rawmidi_transmit(substream, &byte, 1) != 1) { | |
1784 | chip->midcr &= ~BA0_MIDCR_TIE; | |
1785 | } else { | |
1786 | snd_cs4281_pokeBA0(chip, BA0_MIDWP, byte); | |
1787 | } | |
1788 | } | |
1789 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1790 | } | |
1791 | } else { | |
1792 | if (chip->midcr & BA0_MIDCR_TIE) { | |
1793 | chip->midcr &= ~BA0_MIDCR_TIE; | |
1794 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1795 | } | |
1796 | } | |
1797 | spin_unlock_irqrestore(&chip->reg_lock, flags); | |
1798 | } | |
1799 | ||
1800 | static snd_rawmidi_ops_t snd_cs4281_midi_output = | |
1801 | { | |
1802 | .open = snd_cs4281_midi_output_open, | |
1803 | .close = snd_cs4281_midi_output_close, | |
1804 | .trigger = snd_cs4281_midi_output_trigger, | |
1805 | }; | |
1806 | ||
1807 | static snd_rawmidi_ops_t snd_cs4281_midi_input = | |
1808 | { | |
1809 | .open = snd_cs4281_midi_input_open, | |
1810 | .close = snd_cs4281_midi_input_close, | |
1811 | .trigger = snd_cs4281_midi_input_trigger, | |
1812 | }; | |
1813 | ||
1814 | static int __devinit snd_cs4281_midi(cs4281_t * chip, int device, snd_rawmidi_t **rrawmidi) | |
1815 | { | |
1816 | snd_rawmidi_t *rmidi; | |
1817 | int err; | |
1818 | ||
1819 | if (rrawmidi) | |
1820 | *rrawmidi = NULL; | |
1821 | if ((err = snd_rawmidi_new(chip->card, "CS4281", device, 1, 1, &rmidi)) < 0) | |
1822 | return err; | |
1823 | strcpy(rmidi->name, "CS4281"); | |
1824 | snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_cs4281_midi_output); | |
1825 | snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_cs4281_midi_input); | |
1826 | rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT | SNDRV_RAWMIDI_INFO_DUPLEX; | |
1827 | rmidi->private_data = chip; | |
1828 | chip->rmidi = rmidi; | |
1829 | if (rrawmidi) | |
1830 | *rrawmidi = rmidi; | |
1831 | return 0; | |
1832 | } | |
1833 | ||
1834 | /* | |
1835 | * Interrupt handler | |
1836 | */ | |
1837 | ||
1838 | static irqreturn_t snd_cs4281_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |
1839 | { | |
1840 | cs4281_t *chip = dev_id; | |
1841 | unsigned int status, dma, val; | |
1842 | cs4281_dma_t *cdma; | |
1843 | ||
1844 | if (chip == NULL) | |
1845 | return IRQ_NONE; | |
1846 | status = snd_cs4281_peekBA0(chip, BA0_HISR); | |
1847 | if ((status & 0x7fffffff) == 0) { | |
1848 | snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI); | |
1849 | return IRQ_NONE; | |
1850 | } | |
1851 | ||
1852 | if (status & (BA0_HISR_DMA(0)|BA0_HISR_DMA(1)|BA0_HISR_DMA(2)|BA0_HISR_DMA(3))) { | |
1853 | for (dma = 0; dma < 4; dma++) | |
1854 | if (status & BA0_HISR_DMA(dma)) { | |
1855 | cdma = &chip->dma[dma]; | |
1856 | spin_lock(&chip->reg_lock); | |
1857 | /* ack DMA IRQ */ | |
1858 | val = snd_cs4281_peekBA0(chip, cdma->regHDSR); | |
1859 | /* workaround, sometimes CS4281 acknowledges */ | |
1860 | /* end or middle transfer position twice */ | |
1861 | cdma->frag++; | |
1862 | if ((val & BA0_HDSR_DHTC) && !(cdma->frag & 1)) { | |
1863 | cdma->frag--; | |
1864 | chip->spurious_dhtc_irq++; | |
1865 | spin_unlock(&chip->reg_lock); | |
1866 | continue; | |
1867 | } | |
1868 | if ((val & BA0_HDSR_DTC) && (cdma->frag & 1)) { | |
1869 | cdma->frag--; | |
1870 | chip->spurious_dtc_irq++; | |
1871 | spin_unlock(&chip->reg_lock); | |
1872 | continue; | |
1873 | } | |
1874 | spin_unlock(&chip->reg_lock); | |
1875 | snd_pcm_period_elapsed(cdma->substream); | |
1876 | } | |
1877 | } | |
1878 | ||
1879 | if ((status & BA0_HISR_MIDI) && chip->rmidi) { | |
1880 | unsigned char c; | |
1881 | ||
1882 | spin_lock(&chip->reg_lock); | |
1883 | while ((snd_cs4281_peekBA0(chip, BA0_MIDSR) & BA0_MIDSR_RBE) == 0) { | |
1884 | c = snd_cs4281_peekBA0(chip, BA0_MIDRP); | |
1885 | if ((chip->midcr & BA0_MIDCR_RIE) == 0) | |
1886 | continue; | |
1887 | snd_rawmidi_receive(chip->midi_input, &c, 1); | |
1888 | } | |
1889 | while ((snd_cs4281_peekBA0(chip, BA0_MIDSR) & BA0_MIDSR_TBF) == 0) { | |
1890 | if ((chip->midcr & BA0_MIDCR_TIE) == 0) | |
1891 | break; | |
1892 | if (snd_rawmidi_transmit(chip->midi_output, &c, 1) != 1) { | |
1893 | chip->midcr &= ~BA0_MIDCR_TIE; | |
1894 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1895 | break; | |
1896 | } | |
1897 | snd_cs4281_pokeBA0(chip, BA0_MIDWP, c); | |
1898 | } | |
1899 | spin_unlock(&chip->reg_lock); | |
1900 | } | |
1901 | ||
1902 | /* EOI to the PCI part... reenables interrupts */ | |
1903 | snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI); | |
1904 | ||
1905 | return IRQ_HANDLED; | |
1906 | } | |
1907 | ||
1908 | ||
1909 | /* | |
1910 | * OPL3 command | |
1911 | */ | |
1912 | static void snd_cs4281_opl3_command(opl3_t * opl3, unsigned short cmd, unsigned char val) | |
1913 | { | |
1914 | unsigned long flags; | |
1915 | cs4281_t *chip = opl3->private_data; | |
1916 | void __iomem *port; | |
1917 | ||
1918 | if (cmd & OPL3_RIGHT) | |
1919 | port = chip->ba0 + BA0_B1AP; /* right port */ | |
1920 | else | |
1921 | port = chip->ba0 + BA0_B0AP; /* left port */ | |
1922 | ||
1923 | spin_lock_irqsave(&opl3->reg_lock, flags); | |
1924 | ||
1925 | writel((unsigned int)cmd, port); | |
1926 | udelay(10); | |
1927 | ||
1928 | writel((unsigned int)val, port + 4); | |
1929 | udelay(30); | |
1930 | ||
1931 | spin_unlock_irqrestore(&opl3->reg_lock, flags); | |
1932 | } | |
1933 | ||
1934 | static int __devinit snd_cs4281_probe(struct pci_dev *pci, | |
1935 | const struct pci_device_id *pci_id) | |
1936 | { | |
1937 | static int dev; | |
1938 | snd_card_t *card; | |
1939 | cs4281_t *chip; | |
1940 | opl3_t *opl3; | |
1941 | int err; | |
1942 | ||
1943 | if (dev >= SNDRV_CARDS) | |
1944 | return -ENODEV; | |
1945 | if (!enable[dev]) { | |
1946 | dev++; | |
1947 | return -ENOENT; | |
1948 | } | |
1949 | ||
1950 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); | |
1951 | if (card == NULL) | |
1952 | return -ENOMEM; | |
1953 | ||
1954 | if ((err = snd_cs4281_create(card, pci, &chip, dual_codec[dev])) < 0) { | |
1955 | snd_card_free(card); | |
1956 | return err; | |
1957 | } | |
1958 | ||
1959 | if ((err = snd_cs4281_mixer(chip)) < 0) { | |
1960 | snd_card_free(card); | |
1961 | return err; | |
1962 | } | |
1963 | if ((err = snd_cs4281_pcm(chip, 0, NULL)) < 0) { | |
1964 | snd_card_free(card); | |
1965 | return err; | |
1966 | } | |
1967 | if ((err = snd_cs4281_midi(chip, 0, NULL)) < 0) { | |
1968 | snd_card_free(card); | |
1969 | return err; | |
1970 | } | |
1971 | if ((err = snd_opl3_new(card, OPL3_HW_OPL3_CS4281, &opl3)) < 0) { | |
1972 | snd_card_free(card); | |
1973 | return err; | |
1974 | } | |
1975 | opl3->private_data = chip; | |
1976 | opl3->command = snd_cs4281_opl3_command; | |
1977 | snd_opl3_init(opl3); | |
1978 | if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { | |
1979 | snd_card_free(card); | |
1980 | return err; | |
1981 | } | |
1982 | snd_cs4281_create_gameport(chip); | |
1983 | strcpy(card->driver, "CS4281"); | |
1984 | strcpy(card->shortname, "Cirrus Logic CS4281"); | |
1985 | sprintf(card->longname, "%s at 0x%lx, irq %d", | |
1986 | card->shortname, | |
1987 | chip->ba0_addr, | |
1988 | chip->irq); | |
1989 | ||
1990 | if ((err = snd_card_register(card)) < 0) { | |
1991 | snd_card_free(card); | |
1992 | return err; | |
1993 | } | |
1994 | ||
1995 | pci_set_drvdata(pci, card); | |
1996 | dev++; | |
1997 | return 0; | |
1998 | } | |
1999 | ||
2000 | static void __devexit snd_cs4281_remove(struct pci_dev *pci) | |
2001 | { | |
2002 | snd_card_free(pci_get_drvdata(pci)); | |
2003 | pci_set_drvdata(pci, NULL); | |
2004 | } | |
2005 | ||
2006 | /* | |
2007 | * Power Management | |
2008 | */ | |
2009 | #ifdef CONFIG_PM | |
2010 | ||
2011 | static int saved_regs[SUSPEND_REGISTERS] = { | |
2012 | BA0_JSCTL, | |
2013 | BA0_GPIOR, | |
2014 | BA0_SSCR, | |
2015 | BA0_MIDCR, | |
2016 | BA0_SRCSA, | |
2017 | BA0_PASR, | |
2018 | BA0_CASR, | |
2019 | BA0_DACSR, | |
2020 | BA0_ADCSR, | |
2021 | BA0_FMLVC, | |
2022 | BA0_FMRVC, | |
2023 | BA0_PPLVC, | |
2024 | BA0_PPRVC, | |
2025 | }; | |
2026 | ||
2027 | #define CLKCR1_CKRA 0x00010000L | |
2028 | ||
2029 | static int cs4281_suspend(snd_card_t *card, pm_message_t state) | |
2030 | { | |
2031 | cs4281_t *chip = card->pm_private_data; | |
2032 | u32 ulCLK; | |
2033 | unsigned int i; | |
2034 | ||
2035 | snd_pcm_suspend_all(chip->pcm); | |
2036 | ||
2037 | if (chip->ac97) | |
2038 | snd_ac97_suspend(chip->ac97); | |
2039 | if (chip->ac97_secondary) | |
2040 | snd_ac97_suspend(chip->ac97_secondary); | |
2041 | ||
2042 | ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); | |
2043 | ulCLK |= CLKCR1_CKRA; | |
2044 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK); | |
2045 | ||
2046 | /* Disable interrupts. */ | |
2047 | snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_CHGM); | |
2048 | ||
2049 | /* remember the status registers */ | |
2050 | for (i = 0; i < ARRAY_SIZE(saved_regs); i++) | |
2051 | if (saved_regs[i]) | |
2052 | chip->suspend_regs[i] = snd_cs4281_peekBA0(chip, saved_regs[i]); | |
2053 | ||
2054 | /* Turn off the serial ports. */ | |
2055 | snd_cs4281_pokeBA0(chip, BA0_SERMC, 0); | |
2056 | ||
2057 | /* Power off FM, Joystick, AC link, */ | |
2058 | snd_cs4281_pokeBA0(chip, BA0_SSPM, 0); | |
2059 | ||
2060 | /* DLL off. */ | |
2061 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, 0); | |
2062 | ||
2063 | /* AC link off. */ | |
2064 | snd_cs4281_pokeBA0(chip, BA0_SPMC, 0); | |
2065 | ||
2066 | ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); | |
2067 | ulCLK &= ~CLKCR1_CKRA; | |
2068 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK); | |
2069 | ||
2070 | pci_disable_device(chip->pci); | |
2071 | return 0; | |
2072 | } | |
2073 | ||
2074 | static int cs4281_resume(snd_card_t *card) | |
2075 | { | |
2076 | cs4281_t *chip = card->pm_private_data; | |
2077 | unsigned int i; | |
2078 | u32 ulCLK; | |
2079 | ||
2080 | pci_enable_device(chip->pci); | |
2081 | pci_set_master(chip->pci); | |
2082 | ||
2083 | ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); | |
2084 | ulCLK |= CLKCR1_CKRA; | |
2085 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK); | |
2086 | ||
2087 | snd_cs4281_chip_init(chip); | |
2088 | ||
2089 | /* restore the status registers */ | |
2090 | for (i = 0; i < ARRAY_SIZE(saved_regs); i++) | |
2091 | if (saved_regs[i]) | |
2092 | snd_cs4281_pokeBA0(chip, saved_regs[i], chip->suspend_regs[i]); | |
2093 | ||
2094 | if (chip->ac97) | |
2095 | snd_ac97_resume(chip->ac97); | |
2096 | if (chip->ac97_secondary) | |
2097 | snd_ac97_resume(chip->ac97_secondary); | |
2098 | ||
2099 | ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); | |
2100 | ulCLK &= ~CLKCR1_CKRA; | |
2101 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK); | |
2102 | ||
2103 | return 0; | |
2104 | } | |
2105 | #endif /* CONFIG_PM */ | |
2106 | ||
2107 | static struct pci_driver driver = { | |
2108 | .name = "CS4281", | |
2109 | .id_table = snd_cs4281_ids, | |
2110 | .probe = snd_cs4281_probe, | |
2111 | .remove = __devexit_p(snd_cs4281_remove), | |
2112 | SND_PCI_PM_CALLBACKS | |
2113 | }; | |
2114 | ||
2115 | static int __init alsa_card_cs4281_init(void) | |
2116 | { | |
01d25d46 | 2117 | return pci_register_driver(&driver); |
1da177e4 LT |
2118 | } |
2119 | ||
2120 | static void __exit alsa_card_cs4281_exit(void) | |
2121 | { | |
2122 | pci_unregister_driver(&driver); | |
2123 | } | |
2124 | ||
2125 | module_init(alsa_card_cs4281_init) | |
2126 | module_exit(alsa_card_cs4281_exit) |