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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> | |
9f6ab250 | 36 | #include <sound/tlv.h> |
1da177e4 LT |
37 | #include <sound/opl3.h> |
38 | #include <sound/initval.h> | |
39 | ||
40 | ||
41 | MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); | |
42 | MODULE_DESCRIPTION("Cirrus Logic CS4281"); | |
43 | MODULE_LICENSE("GPL"); | |
44 | MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,CS4281}}"); | |
45 | ||
46 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
47 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
48 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */ | |
49 | static int dual_codec[SNDRV_CARDS]; /* dual codec */ | |
50 | ||
51 | module_param_array(index, int, NULL, 0444); | |
52 | MODULE_PARM_DESC(index, "Index value for CS4281 soundcard."); | |
53 | module_param_array(id, charp, NULL, 0444); | |
54 | MODULE_PARM_DESC(id, "ID string for CS4281 soundcard."); | |
55 | module_param_array(enable, bool, NULL, 0444); | |
56 | MODULE_PARM_DESC(enable, "Enable CS4281 soundcard."); | |
57 | module_param_array(dual_codec, bool, NULL, 0444); | |
58 | MODULE_PARM_DESC(dual_codec, "Secondary Codec ID (0 = disabled)."); | |
59 | ||
1da177e4 LT |
60 | /* |
61 | * Direct registers | |
62 | */ | |
63 | ||
64 | #define CS4281_BA0_SIZE 0x1000 | |
65 | #define CS4281_BA1_SIZE 0x10000 | |
66 | ||
67 | /* | |
68 | * BA0 registers | |
69 | */ | |
70 | #define BA0_HISR 0x0000 /* Host Interrupt Status Register */ | |
71 | #define BA0_HISR_INTENA (1<<31) /* Internal Interrupt Enable Bit */ | |
72 | #define BA0_HISR_MIDI (1<<22) /* MIDI port interrupt */ | |
73 | #define BA0_HISR_FIFOI (1<<20) /* FIFO polled interrupt */ | |
74 | #define BA0_HISR_DMAI (1<<18) /* DMA interrupt (half or end) */ | |
75 | #define BA0_HISR_FIFO(c) (1<<(12+(c))) /* FIFO channel interrupt */ | |
76 | #define BA0_HISR_DMA(c) (1<<(8+(c))) /* DMA channel interrupt */ | |
77 | #define BA0_HISR_GPPI (1<<5) /* General Purpose Input (Primary chip) */ | |
78 | #define BA0_HISR_GPSI (1<<4) /* General Purpose Input (Secondary chip) */ | |
79 | #define BA0_HISR_GP3I (1<<3) /* GPIO3 pin Interrupt */ | |
80 | #define BA0_HISR_GP1I (1<<2) /* GPIO1 pin Interrupt */ | |
81 | #define BA0_HISR_VUPI (1<<1) /* VOLUP pin Interrupt */ | |
82 | #define BA0_HISR_VDNI (1<<0) /* VOLDN pin Interrupt */ | |
83 | ||
84 | #define BA0_HICR 0x0008 /* Host Interrupt Control Register */ | |
85 | #define BA0_HICR_CHGM (1<<1) /* INTENA Change Mask */ | |
86 | #define BA0_HICR_IEV (1<<0) /* INTENA Value */ | |
87 | #define BA0_HICR_EOI (3<<0) /* End of Interrupt command */ | |
88 | ||
89 | #define BA0_HIMR 0x000c /* Host Interrupt Mask Register */ | |
90 | /* Use same contants as for BA0_HISR */ | |
91 | ||
92 | #define BA0_IIER 0x0010 /* ISA Interrupt Enable Register */ | |
93 | ||
94 | #define BA0_HDSR0 0x00f0 /* Host DMA Engine 0 Status Register */ | |
95 | #define BA0_HDSR1 0x00f4 /* Host DMA Engine 1 Status Register */ | |
96 | #define BA0_HDSR2 0x00f8 /* Host DMA Engine 2 Status Register */ | |
97 | #define BA0_HDSR3 0x00fc /* Host DMA Engine 3 Status Register */ | |
98 | ||
99 | #define BA0_HDSR_CH1P (1<<25) /* Channel 1 Pending */ | |
100 | #define BA0_HDSR_CH2P (1<<24) /* Channel 2 Pending */ | |
101 | #define BA0_HDSR_DHTC (1<<17) /* DMA Half Terminal Count */ | |
102 | #define BA0_HDSR_DTC (1<<16) /* DMA Terminal Count */ | |
103 | #define BA0_HDSR_DRUN (1<<15) /* DMA Running */ | |
104 | #define BA0_HDSR_RQ (1<<7) /* Pending Request */ | |
105 | ||
106 | #define BA0_DCA0 0x0110 /* Host DMA Engine 0 Current Address */ | |
107 | #define BA0_DCC0 0x0114 /* Host DMA Engine 0 Current Count */ | |
108 | #define BA0_DBA0 0x0118 /* Host DMA Engine 0 Base Address */ | |
109 | #define BA0_DBC0 0x011c /* Host DMA Engine 0 Base Count */ | |
110 | #define BA0_DCA1 0x0120 /* Host DMA Engine 1 Current Address */ | |
111 | #define BA0_DCC1 0x0124 /* Host DMA Engine 1 Current Count */ | |
112 | #define BA0_DBA1 0x0128 /* Host DMA Engine 1 Base Address */ | |
113 | #define BA0_DBC1 0x012c /* Host DMA Engine 1 Base Count */ | |
114 | #define BA0_DCA2 0x0130 /* Host DMA Engine 2 Current Address */ | |
115 | #define BA0_DCC2 0x0134 /* Host DMA Engine 2 Current Count */ | |
116 | #define BA0_DBA2 0x0138 /* Host DMA Engine 2 Base Address */ | |
117 | #define BA0_DBC2 0x013c /* Host DMA Engine 2 Base Count */ | |
118 | #define BA0_DCA3 0x0140 /* Host DMA Engine 3 Current Address */ | |
119 | #define BA0_DCC3 0x0144 /* Host DMA Engine 3 Current Count */ | |
120 | #define BA0_DBA3 0x0148 /* Host DMA Engine 3 Base Address */ | |
121 | #define BA0_DBC3 0x014c /* Host DMA Engine 3 Base Count */ | |
122 | #define BA0_DMR0 0x0150 /* Host DMA Engine 0 Mode */ | |
123 | #define BA0_DCR0 0x0154 /* Host DMA Engine 0 Command */ | |
124 | #define BA0_DMR1 0x0158 /* Host DMA Engine 1 Mode */ | |
125 | #define BA0_DCR1 0x015c /* Host DMA Engine 1 Command */ | |
126 | #define BA0_DMR2 0x0160 /* Host DMA Engine 2 Mode */ | |
127 | #define BA0_DCR2 0x0164 /* Host DMA Engine 2 Command */ | |
128 | #define BA0_DMR3 0x0168 /* Host DMA Engine 3 Mode */ | |
129 | #define BA0_DCR3 0x016c /* Host DMA Engine 3 Command */ | |
130 | ||
131 | #define BA0_DMR_DMA (1<<29) /* Enable DMA mode */ | |
132 | #define BA0_DMR_POLL (1<<28) /* Enable poll mode */ | |
133 | #define BA0_DMR_TBC (1<<25) /* Transfer By Channel */ | |
134 | #define BA0_DMR_CBC (1<<24) /* Count By Channel (0 = frame resolution) */ | |
135 | #define BA0_DMR_SWAPC (1<<22) /* Swap Left/Right Channels */ | |
136 | #define BA0_DMR_SIZE20 (1<<20) /* Sample is 20-bit */ | |
137 | #define BA0_DMR_USIGN (1<<19) /* Unsigned */ | |
138 | #define BA0_DMR_BEND (1<<18) /* Big Endian */ | |
139 | #define BA0_DMR_MONO (1<<17) /* Mono */ | |
140 | #define BA0_DMR_SIZE8 (1<<16) /* Sample is 8-bit */ | |
141 | #define BA0_DMR_TYPE_DEMAND (0<<6) | |
142 | #define BA0_DMR_TYPE_SINGLE (1<<6) | |
143 | #define BA0_DMR_TYPE_BLOCK (2<<6) | |
144 | #define BA0_DMR_TYPE_CASCADE (3<<6) /* Not supported */ | |
145 | #define BA0_DMR_DEC (1<<5) /* Access Increment (0) or Decrement (1) */ | |
146 | #define BA0_DMR_AUTO (1<<4) /* Auto-Initialize */ | |
147 | #define BA0_DMR_TR_VERIFY (0<<2) /* Verify Transfer */ | |
148 | #define BA0_DMR_TR_WRITE (1<<2) /* Write Transfer */ | |
149 | #define BA0_DMR_TR_READ (2<<2) /* Read Transfer */ | |
150 | ||
151 | #define BA0_DCR_HTCIE (1<<17) /* Half Terminal Count Interrupt */ | |
152 | #define BA0_DCR_TCIE (1<<16) /* Terminal Count Interrupt */ | |
153 | #define BA0_DCR_MSK (1<<0) /* DMA Mask bit */ | |
154 | ||
155 | #define BA0_FCR0 0x0180 /* FIFO Control 0 */ | |
156 | #define BA0_FCR1 0x0184 /* FIFO Control 1 */ | |
157 | #define BA0_FCR2 0x0188 /* FIFO Control 2 */ | |
158 | #define BA0_FCR3 0x018c /* FIFO Control 3 */ | |
159 | ||
160 | #define BA0_FCR_FEN (1<<31) /* FIFO Enable bit */ | |
161 | #define BA0_FCR_DACZ (1<<30) /* DAC Zero */ | |
162 | #define BA0_FCR_PSH (1<<29) /* Previous Sample Hold */ | |
163 | #define BA0_FCR_RS(x) (((x)&0x1f)<<24) /* Right Slot Mapping */ | |
164 | #define BA0_FCR_LS(x) (((x)&0x1f)<<16) /* Left Slot Mapping */ | |
165 | #define BA0_FCR_SZ(x) (((x)&0x7f)<<8) /* FIFO buffer size (in samples) */ | |
166 | #define BA0_FCR_OF(x) (((x)&0x7f)<<0) /* FIFO starting offset (in samples) */ | |
167 | ||
168 | #define BA0_FPDR0 0x0190 /* FIFO Polled Data 0 */ | |
169 | #define BA0_FPDR1 0x0194 /* FIFO Polled Data 1 */ | |
170 | #define BA0_FPDR2 0x0198 /* FIFO Polled Data 2 */ | |
171 | #define BA0_FPDR3 0x019c /* FIFO Polled Data 3 */ | |
172 | ||
173 | #define BA0_FCHS 0x020c /* FIFO Channel Status */ | |
174 | #define BA0_FCHS_RCO(x) (1<<(7+(((x)&3)<<3))) /* Right Channel Out */ | |
175 | #define BA0_FCHS_LCO(x) (1<<(6+(((x)&3)<<3))) /* Left Channel Out */ | |
176 | #define BA0_FCHS_MRP(x) (1<<(5+(((x)&3)<<3))) /* Move Read Pointer */ | |
177 | #define BA0_FCHS_FE(x) (1<<(4+(((x)&3)<<3))) /* FIFO Empty */ | |
178 | #define BA0_FCHS_FF(x) (1<<(3+(((x)&3)<<3))) /* FIFO Full */ | |
179 | #define BA0_FCHS_IOR(x) (1<<(2+(((x)&3)<<3))) /* Internal Overrun Flag */ | |
180 | #define BA0_FCHS_RCI(x) (1<<(1+(((x)&3)<<3))) /* Right Channel In */ | |
181 | #define BA0_FCHS_LCI(x) (1<<(0+(((x)&3)<<3))) /* Left Channel In */ | |
182 | ||
183 | #define BA0_FSIC0 0x0210 /* FIFO Status and Interrupt Control 0 */ | |
184 | #define BA0_FSIC1 0x0214 /* FIFO Status and Interrupt Control 1 */ | |
185 | #define BA0_FSIC2 0x0218 /* FIFO Status and Interrupt Control 2 */ | |
186 | #define BA0_FSIC3 0x021c /* FIFO Status and Interrupt Control 3 */ | |
187 | ||
188 | #define BA0_FSIC_FIC(x) (((x)&0x7f)<<24) /* FIFO Interrupt Count */ | |
189 | #define BA0_FSIC_FORIE (1<<23) /* FIFO OverRun Interrupt Enable */ | |
190 | #define BA0_FSIC_FURIE (1<<22) /* FIFO UnderRun Interrupt Enable */ | |
191 | #define BA0_FSIC_FSCIE (1<<16) /* FIFO Sample Count Interrupt Enable */ | |
192 | #define BA0_FSIC_FSC(x) (((x)&0x7f)<<8) /* FIFO Sample Count */ | |
193 | #define BA0_FSIC_FOR (1<<7) /* FIFO OverRun */ | |
194 | #define BA0_FSIC_FUR (1<<6) /* FIFO UnderRun */ | |
195 | #define BA0_FSIC_FSCR (1<<0) /* FIFO Sample Count Reached */ | |
196 | ||
197 | #define BA0_PMCS 0x0344 /* Power Management Control/Status */ | |
198 | #define BA0_CWPR 0x03e0 /* Configuration Write Protect */ | |
a488e033 | 199 | |
1da177e4 | 200 | #define BA0_EPPMC 0x03e4 /* Extended PCI Power Management Control */ |
a488e033 AP |
201 | #define BA0_EPPMC_FPDN (1<<14) /* Full Power DowN */ |
202 | ||
1da177e4 LT |
203 | #define BA0_GPIOR 0x03e8 /* GPIO Pin Interface Register */ |
204 | ||
205 | #define BA0_SPMC 0x03ec /* Serial Port Power Management Control (& ASDIN2 enable) */ | |
206 | #define BA0_SPMC_GIPPEN (1<<15) /* GP INT Primary PME# Enable */ | |
207 | #define BA0_SPMC_GISPEN (1<<14) /* GP INT Secondary PME# Enable */ | |
208 | #define BA0_SPMC_EESPD (1<<9) /* EEPROM Serial Port Disable */ | |
209 | #define BA0_SPMC_ASDI2E (1<<8) /* ASDIN2 Enable */ | |
210 | #define BA0_SPMC_ASDO (1<<7) /* Asynchronous ASDOUT Assertion */ | |
211 | #define BA0_SPMC_WUP2 (1<<3) /* Wakeup for Secondary Input */ | |
212 | #define BA0_SPMC_WUP1 (1<<2) /* Wakeup for Primary Input */ | |
213 | #define BA0_SPMC_ASYNC (1<<1) /* Asynchronous ASYNC Assertion */ | |
214 | #define BA0_SPMC_RSTN (1<<0) /* Reset Not! */ | |
215 | ||
216 | #define BA0_CFLR 0x03f0 /* Configuration Load Register (EEPROM or BIOS) */ | |
217 | #define BA0_CFLR_DEFAULT 0x00000001 /* CFLR must be in AC97 link mode */ | |
218 | #define BA0_IISR 0x03f4 /* ISA Interrupt Select */ | |
219 | #define BA0_TMS 0x03f8 /* Test Register */ | |
220 | #define BA0_SSVID 0x03fc /* Subsystem ID register */ | |
221 | ||
222 | #define BA0_CLKCR1 0x0400 /* Clock Control Register 1 */ | |
223 | #define BA0_CLKCR1_CLKON (1<<25) /* Read Only */ | |
224 | #define BA0_CLKCR1_DLLRDY (1<<24) /* DLL Ready */ | |
225 | #define BA0_CLKCR1_DLLOS (1<<6) /* DLL Output Select */ | |
226 | #define BA0_CLKCR1_SWCE (1<<5) /* Clock Enable */ | |
227 | #define BA0_CLKCR1_DLLP (1<<4) /* DLL PowerUp */ | |
228 | #define BA0_CLKCR1_DLLSS (((x)&3)<<3) /* DLL Source Select */ | |
229 | ||
230 | #define BA0_FRR 0x0410 /* Feature Reporting Register */ | |
231 | #define BA0_SLT12O 0x041c /* Slot 12 GPIO Output Register for AC-Link */ | |
232 | ||
233 | #define BA0_SERMC 0x0420 /* Serial Port Master Control */ | |
234 | #define BA0_SERMC_FCRN (1<<27) /* Force Codec Ready Not */ | |
235 | #define BA0_SERMC_ODSEN2 (1<<25) /* On-Demand Support Enable ASDIN2 */ | |
236 | #define BA0_SERMC_ODSEN1 (1<<24) /* On-Demand Support Enable ASDIN1 */ | |
237 | #define BA0_SERMC_SXLB (1<<21) /* ASDIN2 to ASDOUT Loopback */ | |
238 | #define BA0_SERMC_SLB (1<<20) /* ASDOUT to ASDIN2 Loopback */ | |
239 | #define BA0_SERMC_LOVF (1<<19) /* Loopback Output Valid Frame bit */ | |
240 | #define BA0_SERMC_TCID(x) (((x)&3)<<16) /* Target Secondary Codec ID */ | |
241 | #define BA0_SERMC_PXLB (5<<1) /* Primary Port External Loopback */ | |
242 | #define BA0_SERMC_PLB (4<<1) /* Primary Port Internal Loopback */ | |
243 | #define BA0_SERMC_PTC (7<<1) /* Port Timing Configuration */ | |
244 | #define BA0_SERMC_PTC_AC97 (1<<1) /* AC97 mode */ | |
245 | #define BA0_SERMC_MSPE (1<<0) /* Master Serial Port Enable */ | |
246 | ||
247 | #define BA0_SERC1 0x0428 /* Serial Port Configuration 1 */ | |
248 | #define BA0_SERC1_SO1F(x) (((x)&7)>>1) /* Primary Output Port Format */ | |
249 | #define BA0_SERC1_AC97 (1<<1) | |
250 | #define BA0_SERC1_SO1EN (1<<0) /* Primary Output Port Enable */ | |
251 | ||
252 | #define BA0_SERC2 0x042c /* Serial Port Configuration 2 */ | |
253 | #define BA0_SERC2_SI1F(x) (((x)&7)>>1) /* Primary Input Port Format */ | |
254 | #define BA0_SERC2_AC97 (1<<1) | |
255 | #define BA0_SERC2_SI1EN (1<<0) /* Primary Input Port Enable */ | |
256 | ||
257 | #define BA0_SLT12M 0x045c /* Slot 12 Monitor Register for Primary AC-Link */ | |
258 | ||
259 | #define BA0_ACCTL 0x0460 /* AC'97 Control */ | |
260 | #define BA0_ACCTL_TC (1<<6) /* Target Codec */ | |
261 | #define BA0_ACCTL_CRW (1<<4) /* 0=Write, 1=Read Command */ | |
262 | #define BA0_ACCTL_DCV (1<<3) /* Dynamic Command Valid */ | |
263 | #define BA0_ACCTL_VFRM (1<<2) /* Valid Frame */ | |
264 | #define BA0_ACCTL_ESYN (1<<1) /* Enable Sync */ | |
265 | ||
266 | #define BA0_ACSTS 0x0464 /* AC'97 Status */ | |
267 | #define BA0_ACSTS_VSTS (1<<1) /* Valid Status */ | |
268 | #define BA0_ACSTS_CRDY (1<<0) /* Codec Ready */ | |
269 | ||
270 | #define BA0_ACOSV 0x0468 /* AC'97 Output Slot Valid */ | |
271 | #define BA0_ACOSV_SLV(x) (1<<((x)-3)) | |
272 | ||
273 | #define BA0_ACCAD 0x046c /* AC'97 Command Address */ | |
274 | #define BA0_ACCDA 0x0470 /* AC'97 Command Data */ | |
275 | ||
276 | #define BA0_ACISV 0x0474 /* AC'97 Input Slot Valid */ | |
277 | #define BA0_ACISV_SLV(x) (1<<((x)-3)) | |
278 | ||
279 | #define BA0_ACSAD 0x0478 /* AC'97 Status Address */ | |
280 | #define BA0_ACSDA 0x047c /* AC'97 Status Data */ | |
281 | #define BA0_JSPT 0x0480 /* Joystick poll/trigger */ | |
282 | #define BA0_JSCTL 0x0484 /* Joystick control */ | |
283 | #define BA0_JSC1 0x0488 /* Joystick control */ | |
284 | #define BA0_JSC2 0x048c /* Joystick control */ | |
285 | #define BA0_JSIO 0x04a0 | |
286 | ||
287 | #define BA0_MIDCR 0x0490 /* MIDI Control */ | |
288 | #define BA0_MIDCR_MRST (1<<5) /* Reset MIDI Interface */ | |
289 | #define BA0_MIDCR_MLB (1<<4) /* MIDI Loop Back Enable */ | |
290 | #define BA0_MIDCR_TIE (1<<3) /* MIDI Transmuit Interrupt Enable */ | |
291 | #define BA0_MIDCR_RIE (1<<2) /* MIDI Receive Interrupt Enable */ | |
292 | #define BA0_MIDCR_RXE (1<<1) /* MIDI Receive Enable */ | |
293 | #define BA0_MIDCR_TXE (1<<0) /* MIDI Transmit Enable */ | |
294 | ||
295 | #define BA0_MIDCMD 0x0494 /* MIDI Command (wo) */ | |
296 | ||
297 | #define BA0_MIDSR 0x0494 /* MIDI Status (ro) */ | |
298 | #define BA0_MIDSR_RDA (1<<15) /* Sticky bit (RBE 1->0) */ | |
299 | #define BA0_MIDSR_TBE (1<<14) /* Sticky bit (TBF 0->1) */ | |
300 | #define BA0_MIDSR_RBE (1<<7) /* Receive Buffer Empty */ | |
301 | #define BA0_MIDSR_TBF (1<<6) /* Transmit Buffer Full */ | |
302 | ||
303 | #define BA0_MIDWP 0x0498 /* MIDI Write */ | |
304 | #define BA0_MIDRP 0x049c /* MIDI Read (ro) */ | |
305 | ||
306 | #define BA0_AODSD1 0x04a8 /* AC'97 On-Demand Slot Disable for primary link (ro) */ | |
307 | #define BA0_AODSD1_NDS(x) (1<<((x)-3)) | |
308 | ||
309 | #define BA0_AODSD2 0x04ac /* AC'97 On-Demand Slot Disable for secondary link (ro) */ | |
310 | #define BA0_AODSD2_NDS(x) (1<<((x)-3)) | |
311 | ||
312 | #define BA0_CFGI 0x04b0 /* Configure Interface (EEPROM interface) */ | |
313 | #define BA0_SLT12M2 0x04dc /* Slot 12 Monitor Register 2 for secondary AC-link */ | |
314 | #define BA0_ACSTS2 0x04e4 /* AC'97 Status Register 2 */ | |
315 | #define BA0_ACISV2 0x04f4 /* AC'97 Input Slot Valid Register 2 */ | |
316 | #define BA0_ACSAD2 0x04f8 /* AC'97 Status Address Register 2 */ | |
317 | #define BA0_ACSDA2 0x04fc /* AC'97 Status Data Register 2 */ | |
318 | #define BA0_FMSR 0x0730 /* FM Synthesis Status (ro) */ | |
319 | #define BA0_B0AP 0x0730 /* FM Bank 0 Address Port (wo) */ | |
320 | #define BA0_FMDP 0x0734 /* FM Data Port */ | |
321 | #define BA0_B1AP 0x0738 /* FM Bank 1 Address Port */ | |
322 | #define BA0_B1DP 0x073c /* FM Bank 1 Data Port */ | |
323 | ||
324 | #define BA0_SSPM 0x0740 /* Sound System Power Management */ | |
325 | #define BA0_SSPM_MIXEN (1<<6) /* Playback SRC + FM/Wavetable MIX */ | |
326 | #define BA0_SSPM_CSRCEN (1<<5) /* Capture Sample Rate Converter Enable */ | |
327 | #define BA0_SSPM_PSRCEN (1<<4) /* Playback Sample Rate Converter Enable */ | |
328 | #define BA0_SSPM_JSEN (1<<3) /* Joystick Enable */ | |
329 | #define BA0_SSPM_ACLEN (1<<2) /* Serial Port Engine and AC-Link Enable */ | |
330 | #define BA0_SSPM_FMEN (1<<1) /* FM Synthesis Block Enable */ | |
331 | ||
332 | #define BA0_DACSR 0x0744 /* DAC Sample Rate - Playback SRC */ | |
333 | #define BA0_ADCSR 0x0748 /* ADC Sample Rate - Capture SRC */ | |
334 | ||
335 | #define BA0_SSCR 0x074c /* Sound System Control Register */ | |
336 | #define BA0_SSCR_HVS1 (1<<23) /* Hardwave Volume Step (0=1,1=2) */ | |
337 | #define BA0_SSCR_MVCS (1<<19) /* Master Volume Codec Select */ | |
338 | #define BA0_SSCR_MVLD (1<<18) /* Master Volume Line Out Disable */ | |
339 | #define BA0_SSCR_MVAD (1<<17) /* Master Volume Alternate Out Disable */ | |
340 | #define BA0_SSCR_MVMD (1<<16) /* Master Volume Mono Out Disable */ | |
341 | #define BA0_SSCR_XLPSRC (1<<8) /* External SRC Loopback Mode */ | |
342 | #define BA0_SSCR_LPSRC (1<<7) /* SRC Loopback Mode */ | |
343 | #define BA0_SSCR_CDTX (1<<5) /* CD Transfer Data */ | |
344 | #define BA0_SSCR_HVC (1<<3) /* Harware Volume Control Enable */ | |
345 | ||
346 | #define BA0_FMLVC 0x0754 /* FM Synthesis Left Volume Control */ | |
347 | #define BA0_FMRVC 0x0758 /* FM Synthesis Right Volume Control */ | |
348 | #define BA0_SRCSA 0x075c /* SRC Slot Assignments */ | |
349 | #define BA0_PPLVC 0x0760 /* PCM Playback Left Volume Control */ | |
350 | #define BA0_PPRVC 0x0764 /* PCM Playback Right Volume Control */ | |
351 | #define BA0_PASR 0x0768 /* playback sample rate */ | |
352 | #define BA0_CASR 0x076C /* capture sample rate */ | |
353 | ||
354 | /* Source Slot Numbers - Playback */ | |
355 | #define SRCSLOT_LEFT_PCM_PLAYBACK 0 | |
356 | #define SRCSLOT_RIGHT_PCM_PLAYBACK 1 | |
357 | #define SRCSLOT_PHONE_LINE_1_DAC 2 | |
358 | #define SRCSLOT_CENTER_PCM_PLAYBACK 3 | |
359 | #define SRCSLOT_LEFT_SURROUND_PCM_PLAYBACK 4 | |
360 | #define SRCSLOT_RIGHT_SURROUND_PCM_PLAYBACK 5 | |
361 | #define SRCSLOT_LFE_PCM_PLAYBACK 6 | |
362 | #define SRCSLOT_PHONE_LINE_2_DAC 7 | |
363 | #define SRCSLOT_HEADSET_DAC 8 | |
364 | #define SRCSLOT_LEFT_WT 29 /* invalid for BA0_SRCSA */ | |
365 | #define SRCSLOT_RIGHT_WT 30 /* invalid for BA0_SRCSA */ | |
366 | ||
367 | /* Source Slot Numbers - Capture */ | |
368 | #define SRCSLOT_LEFT_PCM_RECORD 10 | |
369 | #define SRCSLOT_RIGHT_PCM_RECORD 11 | |
370 | #define SRCSLOT_PHONE_LINE_1_ADC 12 | |
371 | #define SRCSLOT_MIC_ADC 13 | |
372 | #define SRCSLOT_PHONE_LINE_2_ADC 17 | |
373 | #define SRCSLOT_HEADSET_ADC 18 | |
374 | #define SRCSLOT_SECONDARY_LEFT_PCM_RECORD 20 | |
375 | #define SRCSLOT_SECONDARY_RIGHT_PCM_RECORD 21 | |
376 | #define SRCSLOT_SECONDARY_PHONE_LINE_1_ADC 22 | |
377 | #define SRCSLOT_SECONDARY_MIC_ADC 23 | |
378 | #define SRCSLOT_SECONDARY_PHONE_LINE_2_ADC 27 | |
379 | #define SRCSLOT_SECONDARY_HEADSET_ADC 28 | |
380 | ||
381 | /* Source Slot Numbers - Others */ | |
382 | #define SRCSLOT_POWER_DOWN 31 | |
383 | ||
384 | /* MIDI modes */ | |
385 | #define CS4281_MODE_OUTPUT (1<<0) | |
386 | #define CS4281_MODE_INPUT (1<<1) | |
387 | ||
388 | /* joystick bits */ | |
389 | /* Bits for JSPT */ | |
390 | #define JSPT_CAX 0x00000001 | |
391 | #define JSPT_CAY 0x00000002 | |
392 | #define JSPT_CBX 0x00000004 | |
393 | #define JSPT_CBY 0x00000008 | |
394 | #define JSPT_BA1 0x00000010 | |
395 | #define JSPT_BA2 0x00000020 | |
396 | #define JSPT_BB1 0x00000040 | |
397 | #define JSPT_BB2 0x00000080 | |
398 | ||
399 | /* Bits for JSCTL */ | |
400 | #define JSCTL_SP_MASK 0x00000003 | |
401 | #define JSCTL_SP_SLOW 0x00000000 | |
402 | #define JSCTL_SP_MEDIUM_SLOW 0x00000001 | |
403 | #define JSCTL_SP_MEDIUM_FAST 0x00000002 | |
404 | #define JSCTL_SP_FAST 0x00000003 | |
405 | #define JSCTL_ARE 0x00000004 | |
406 | ||
407 | /* Data register pairs masks */ | |
408 | #define JSC1_Y1V_MASK 0x0000FFFF | |
409 | #define JSC1_X1V_MASK 0xFFFF0000 | |
410 | #define JSC1_Y1V_SHIFT 0 | |
411 | #define JSC1_X1V_SHIFT 16 | |
412 | #define JSC2_Y2V_MASK 0x0000FFFF | |
413 | #define JSC2_X2V_MASK 0xFFFF0000 | |
414 | #define JSC2_Y2V_SHIFT 0 | |
415 | #define JSC2_X2V_SHIFT 16 | |
416 | ||
417 | /* JS GPIO */ | |
418 | #define JSIO_DAX 0x00000001 | |
419 | #define JSIO_DAY 0x00000002 | |
420 | #define JSIO_DBX 0x00000004 | |
421 | #define JSIO_DBY 0x00000008 | |
422 | #define JSIO_AXOE 0x00000010 | |
423 | #define JSIO_AYOE 0x00000020 | |
424 | #define JSIO_BXOE 0x00000040 | |
425 | #define JSIO_BYOE 0x00000080 | |
426 | ||
427 | /* | |
428 | * | |
429 | */ | |
430 | ||
93e35f95 TI |
431 | struct cs4281_dma { |
432 | struct snd_pcm_substream *substream; | |
1da177e4 LT |
433 | unsigned int regDBA; /* offset to DBA register */ |
434 | unsigned int regDCA; /* offset to DCA register */ | |
435 | unsigned int regDBC; /* offset to DBC register */ | |
436 | unsigned int regDCC; /* offset to DCC register */ | |
437 | unsigned int regDMR; /* offset to DMR register */ | |
438 | unsigned int regDCR; /* offset to DCR register */ | |
439 | unsigned int regHDSR; /* offset to HDSR register */ | |
440 | unsigned int regFCR; /* offset to FCR register */ | |
441 | unsigned int regFSIC; /* offset to FSIC register */ | |
442 | unsigned int valDMR; /* DMA mode */ | |
443 | unsigned int valDCR; /* DMA command */ | |
444 | unsigned int valFCR; /* FIFO control */ | |
445 | unsigned int fifo_offset; /* FIFO offset within BA1 */ | |
446 | unsigned char left_slot; /* FIFO left slot */ | |
447 | unsigned char right_slot; /* FIFO right slot */ | |
448 | int frag; /* period number */ | |
449 | }; | |
450 | ||
451 | #define SUSPEND_REGISTERS 20 | |
452 | ||
93e35f95 | 453 | struct cs4281 { |
1da177e4 LT |
454 | int irq; |
455 | ||
456 | void __iomem *ba0; /* virtual (accessible) address */ | |
457 | void __iomem *ba1; /* virtual (accessible) address */ | |
458 | unsigned long ba0_addr; | |
459 | unsigned long ba1_addr; | |
460 | ||
461 | int dual_codec; | |
462 | ||
93e35f95 TI |
463 | struct snd_ac97_bus *ac97_bus; |
464 | struct snd_ac97 *ac97; | |
465 | struct snd_ac97 *ac97_secondary; | |
1da177e4 LT |
466 | |
467 | struct pci_dev *pci; | |
93e35f95 TI |
468 | struct snd_card *card; |
469 | struct snd_pcm *pcm; | |
470 | struct snd_rawmidi *rmidi; | |
471 | struct snd_rawmidi_substream *midi_input; | |
472 | struct snd_rawmidi_substream *midi_output; | |
1da177e4 | 473 | |
93e35f95 | 474 | struct cs4281_dma dma[4]; |
1da177e4 LT |
475 | |
476 | unsigned char src_left_play_slot; | |
477 | unsigned char src_right_play_slot; | |
478 | unsigned char src_left_rec_slot; | |
479 | unsigned char src_right_rec_slot; | |
480 | ||
481 | unsigned int spurious_dhtc_irq; | |
482 | unsigned int spurious_dtc_irq; | |
483 | ||
484 | spinlock_t reg_lock; | |
485 | unsigned int midcr; | |
486 | unsigned int uartm; | |
487 | ||
488 | struct gameport *gameport; | |
489 | ||
490 | #ifdef CONFIG_PM | |
491 | u32 suspend_regs[SUSPEND_REGISTERS]; | |
492 | #endif | |
493 | ||
494 | }; | |
495 | ||
7d12e780 | 496 | static irqreturn_t snd_cs4281_interrupt(int irq, void *dev_id); |
1da177e4 | 497 | |
f40b6890 | 498 | static struct pci_device_id snd_cs4281_ids[] = { |
1da177e4 LT |
499 | { 0x1013, 0x6005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CS4281 */ |
500 | { 0, } | |
501 | }; | |
502 | ||
503 | MODULE_DEVICE_TABLE(pci, snd_cs4281_ids); | |
504 | ||
505 | /* | |
506 | * constants | |
507 | */ | |
508 | ||
509 | #define CS4281_FIFO_SIZE 32 | |
510 | ||
511 | /* | |
512 | * common I/O routines | |
513 | */ | |
514 | ||
93e35f95 TI |
515 | static inline void snd_cs4281_pokeBA0(struct cs4281 *chip, unsigned long offset, |
516 | unsigned int val) | |
1da177e4 LT |
517 | { |
518 | writel(val, chip->ba0 + offset); | |
519 | } | |
520 | ||
93e35f95 | 521 | static inline unsigned int snd_cs4281_peekBA0(struct cs4281 *chip, unsigned long offset) |
1da177e4 LT |
522 | { |
523 | return readl(chip->ba0 + offset); | |
524 | } | |
525 | ||
93e35f95 | 526 | static void snd_cs4281_ac97_write(struct snd_ac97 *ac97, |
1da177e4 LT |
527 | unsigned short reg, unsigned short val) |
528 | { | |
529 | /* | |
530 | * 1. Write ACCAD = Command Address Register = 46Ch for AC97 register address | |
531 | * 2. Write ACCDA = Command Data Register = 470h for data to write to AC97 | |
532 | * 3. Write ACCTL = Control Register = 460h for initiating the write | |
533 | * 4. Read ACCTL = 460h, DCV should be reset by now and 460h = 07h | |
534 | * 5. if DCV not cleared, break and return error | |
535 | */ | |
93e35f95 | 536 | struct cs4281 *chip = ac97->private_data; |
1da177e4 LT |
537 | int count; |
538 | ||
539 | /* | |
540 | * Setup the AC97 control registers on the CS461x to send the | |
541 | * appropriate command to the AC97 to perform the read. | |
542 | * ACCAD = Command Address Register = 46Ch | |
543 | * ACCDA = Command Data Register = 470h | |
544 | * ACCTL = Control Register = 460h | |
545 | * set DCV - will clear when process completed | |
546 | * reset CRW - Write command | |
547 | * set VFRM - valid frame enabled | |
548 | * set ESYN - ASYNC generation enabled | |
549 | * set RSTN - ARST# inactive, AC97 codec not reset | |
550 | */ | |
551 | snd_cs4281_pokeBA0(chip, BA0_ACCAD, reg); | |
552 | snd_cs4281_pokeBA0(chip, BA0_ACCDA, val); | |
553 | snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_DCV | BA0_ACCTL_VFRM | | |
554 | BA0_ACCTL_ESYN | (ac97->num ? BA0_ACCTL_TC : 0)); | |
555 | for (count = 0; count < 2000; count++) { | |
556 | /* | |
557 | * First, we want to wait for a short time. | |
558 | */ | |
559 | udelay(10); | |
560 | /* | |
561 | * Now, check to see if the write has completed. | |
562 | * ACCTL = 460h, DCV should be reset by now and 460h = 07h | |
563 | */ | |
564 | if (!(snd_cs4281_peekBA0(chip, BA0_ACCTL) & BA0_ACCTL_DCV)) { | |
565 | return; | |
566 | } | |
567 | } | |
568 | snd_printk(KERN_ERR "AC'97 write problem, reg = 0x%x, val = 0x%x\n", reg, val); | |
569 | } | |
570 | ||
93e35f95 | 571 | static unsigned short snd_cs4281_ac97_read(struct snd_ac97 *ac97, |
1da177e4 LT |
572 | unsigned short reg) |
573 | { | |
93e35f95 | 574 | struct cs4281 *chip = ac97->private_data; |
1da177e4 LT |
575 | int count; |
576 | unsigned short result; | |
577 | // FIXME: volatile is necessary in the following due to a bug of | |
578 | // some gcc versions | |
93e35f95 | 579 | volatile int ac97_num = ((volatile struct snd_ac97 *)ac97)->num; |
1da177e4 LT |
580 | |
581 | /* | |
582 | * 1. Write ACCAD = Command Address Register = 46Ch for AC97 register address | |
583 | * 2. Write ACCDA = Command Data Register = 470h for data to write to AC97 | |
584 | * 3. Write ACCTL = Control Register = 460h for initiating the write | |
585 | * 4. Read ACCTL = 460h, DCV should be reset by now and 460h = 17h | |
586 | * 5. if DCV not cleared, break and return error | |
587 | * 6. Read ACSTS = Status Register = 464h, check VSTS bit | |
588 | */ | |
589 | ||
590 | snd_cs4281_peekBA0(chip, ac97_num ? BA0_ACSDA2 : BA0_ACSDA); | |
591 | ||
592 | /* | |
593 | * Setup the AC97 control registers on the CS461x to send the | |
594 | * appropriate command to the AC97 to perform the read. | |
595 | * ACCAD = Command Address Register = 46Ch | |
596 | * ACCDA = Command Data Register = 470h | |
597 | * ACCTL = Control Register = 460h | |
598 | * set DCV - will clear when process completed | |
599 | * set CRW - Read command | |
600 | * set VFRM - valid frame enabled | |
601 | * set ESYN - ASYNC generation enabled | |
602 | * set RSTN - ARST# inactive, AC97 codec not reset | |
603 | */ | |
604 | ||
605 | snd_cs4281_pokeBA0(chip, BA0_ACCAD, reg); | |
606 | snd_cs4281_pokeBA0(chip, BA0_ACCDA, 0); | |
607 | snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_DCV | BA0_ACCTL_CRW | | |
608 | BA0_ACCTL_VFRM | BA0_ACCTL_ESYN | | |
609 | (ac97_num ? BA0_ACCTL_TC : 0)); | |
610 | ||
611 | ||
612 | /* | |
613 | * Wait for the read to occur. | |
614 | */ | |
615 | for (count = 0; count < 500; count++) { | |
616 | /* | |
617 | * First, we want to wait for a short time. | |
618 | */ | |
619 | udelay(10); | |
620 | /* | |
621 | * Now, check to see if the read has completed. | |
622 | * ACCTL = 460h, DCV should be reset by now and 460h = 17h | |
623 | */ | |
624 | if (!(snd_cs4281_peekBA0(chip, BA0_ACCTL) & BA0_ACCTL_DCV)) | |
625 | goto __ok1; | |
626 | } | |
627 | ||
628 | snd_printk(KERN_ERR "AC'97 read problem (ACCTL_DCV), reg = 0x%x\n", reg); | |
629 | result = 0xffff; | |
630 | goto __end; | |
631 | ||
632 | __ok1: | |
633 | /* | |
634 | * Wait for the valid status bit to go active. | |
635 | */ | |
636 | for (count = 0; count < 100; count++) { | |
637 | /* | |
638 | * Read the AC97 status register. | |
639 | * ACSTS = Status Register = 464h | |
640 | * VSTS - Valid Status | |
641 | */ | |
642 | if (snd_cs4281_peekBA0(chip, ac97_num ? BA0_ACSTS2 : BA0_ACSTS) & BA0_ACSTS_VSTS) | |
643 | goto __ok2; | |
644 | udelay(10); | |
645 | } | |
646 | ||
647 | snd_printk(KERN_ERR "AC'97 read problem (ACSTS_VSTS), reg = 0x%x\n", reg); | |
648 | result = 0xffff; | |
649 | goto __end; | |
650 | ||
651 | __ok2: | |
652 | /* | |
653 | * Read the data returned from the AC97 register. | |
654 | * ACSDA = Status Data Register = 474h | |
655 | */ | |
656 | result = snd_cs4281_peekBA0(chip, ac97_num ? BA0_ACSDA2 : BA0_ACSDA); | |
657 | ||
658 | __end: | |
659 | return result; | |
660 | } | |
661 | ||
662 | /* | |
663 | * PCM part | |
664 | */ | |
665 | ||
93e35f95 | 666 | static int snd_cs4281_trigger(struct snd_pcm_substream *substream, int cmd) |
1da177e4 | 667 | { |
93e35f95 TI |
668 | struct cs4281_dma *dma = substream->runtime->private_data; |
669 | struct cs4281 *chip = snd_pcm_substream_chip(substream); | |
1da177e4 LT |
670 | |
671 | spin_lock(&chip->reg_lock); | |
672 | switch (cmd) { | |
673 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
674 | dma->valDCR |= BA0_DCR_MSK; | |
675 | dma->valFCR |= BA0_FCR_FEN; | |
676 | break; | |
677 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
678 | dma->valDCR &= ~BA0_DCR_MSK; | |
679 | dma->valFCR &= ~BA0_FCR_FEN; | |
680 | break; | |
681 | case SNDRV_PCM_TRIGGER_START: | |
682 | case SNDRV_PCM_TRIGGER_RESUME: | |
683 | snd_cs4281_pokeBA0(chip, dma->regDMR, dma->valDMR & ~BA0_DMR_DMA); | |
684 | dma->valDMR |= BA0_DMR_DMA; | |
685 | dma->valDCR &= ~BA0_DCR_MSK; | |
686 | dma->valFCR |= BA0_FCR_FEN; | |
687 | break; | |
688 | case SNDRV_PCM_TRIGGER_STOP: | |
689 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
690 | dma->valDMR &= ~(BA0_DMR_DMA|BA0_DMR_POLL); | |
691 | dma->valDCR |= BA0_DCR_MSK; | |
692 | dma->valFCR &= ~BA0_FCR_FEN; | |
693 | /* Leave wave playback FIFO enabled for FM */ | |
694 | if (dma->regFCR != BA0_FCR0) | |
695 | dma->valFCR &= ~BA0_FCR_FEN; | |
696 | break; | |
697 | default: | |
698 | spin_unlock(&chip->reg_lock); | |
699 | return -EINVAL; | |
700 | } | |
701 | snd_cs4281_pokeBA0(chip, dma->regDMR, dma->valDMR); | |
702 | snd_cs4281_pokeBA0(chip, dma->regFCR, dma->valFCR); | |
703 | snd_cs4281_pokeBA0(chip, dma->regDCR, dma->valDCR); | |
704 | spin_unlock(&chip->reg_lock); | |
705 | return 0; | |
706 | } | |
707 | ||
708 | static unsigned int snd_cs4281_rate(unsigned int rate, unsigned int *real_rate) | |
709 | { | |
710 | unsigned int val = ~0; | |
711 | ||
712 | if (real_rate) | |
713 | *real_rate = rate; | |
714 | /* special "hardcoded" rates */ | |
715 | switch (rate) { | |
716 | case 8000: return 5; | |
717 | case 11025: return 4; | |
718 | case 16000: return 3; | |
719 | case 22050: return 2; | |
720 | case 44100: return 1; | |
721 | case 48000: return 0; | |
722 | default: | |
723 | goto __variable; | |
724 | } | |
725 | __variable: | |
726 | val = 1536000 / rate; | |
727 | if (real_rate) | |
728 | *real_rate = 1536000 / val; | |
729 | return val; | |
730 | } | |
731 | ||
93e35f95 TI |
732 | static void snd_cs4281_mode(struct cs4281 *chip, struct cs4281_dma *dma, |
733 | struct snd_pcm_runtime *runtime, | |
734 | int capture, int src) | |
1da177e4 LT |
735 | { |
736 | int rec_mono; | |
737 | ||
738 | dma->valDMR = BA0_DMR_TYPE_SINGLE | BA0_DMR_AUTO | | |
739 | (capture ? BA0_DMR_TR_WRITE : BA0_DMR_TR_READ); | |
740 | if (runtime->channels == 1) | |
741 | dma->valDMR |= BA0_DMR_MONO; | |
742 | if (snd_pcm_format_unsigned(runtime->format) > 0) | |
743 | dma->valDMR |= BA0_DMR_USIGN; | |
744 | if (snd_pcm_format_big_endian(runtime->format) > 0) | |
745 | dma->valDMR |= BA0_DMR_BEND; | |
746 | switch (snd_pcm_format_width(runtime->format)) { | |
747 | case 8: dma->valDMR |= BA0_DMR_SIZE8; | |
748 | if (runtime->channels == 1) | |
749 | dma->valDMR |= BA0_DMR_SWAPC; | |
750 | break; | |
751 | case 32: dma->valDMR |= BA0_DMR_SIZE20; break; | |
752 | } | |
753 | dma->frag = 0; /* for workaround */ | |
754 | dma->valDCR = BA0_DCR_TCIE | BA0_DCR_MSK; | |
755 | if (runtime->buffer_size != runtime->period_size) | |
756 | dma->valDCR |= BA0_DCR_HTCIE; | |
757 | /* Initialize DMA */ | |
758 | snd_cs4281_pokeBA0(chip, dma->regDBA, runtime->dma_addr); | |
759 | snd_cs4281_pokeBA0(chip, dma->regDBC, runtime->buffer_size - 1); | |
760 | rec_mono = (chip->dma[1].valDMR & BA0_DMR_MONO) == BA0_DMR_MONO; | |
761 | snd_cs4281_pokeBA0(chip, BA0_SRCSA, (chip->src_left_play_slot << 0) | | |
762 | (chip->src_right_play_slot << 8) | | |
763 | (chip->src_left_rec_slot << 16) | | |
764 | ((rec_mono ? 31 : chip->src_right_rec_slot) << 24)); | |
765 | if (!src) | |
766 | goto __skip_src; | |
767 | if (!capture) { | |
768 | if (dma->left_slot == chip->src_left_play_slot) { | |
769 | unsigned int val = snd_cs4281_rate(runtime->rate, NULL); | |
770 | snd_assert(dma->right_slot == chip->src_right_play_slot, ); | |
771 | snd_cs4281_pokeBA0(chip, BA0_DACSR, val); | |
772 | } | |
773 | } else { | |
774 | if (dma->left_slot == chip->src_left_rec_slot) { | |
775 | unsigned int val = snd_cs4281_rate(runtime->rate, NULL); | |
776 | snd_assert(dma->right_slot == chip->src_right_rec_slot, ); | |
777 | snd_cs4281_pokeBA0(chip, BA0_ADCSR, val); | |
778 | } | |
779 | } | |
780 | __skip_src: | |
781 | /* Deactivate wave playback FIFO before changing slot assignments */ | |
782 | if (dma->regFCR == BA0_FCR0) | |
783 | snd_cs4281_pokeBA0(chip, dma->regFCR, snd_cs4281_peekBA0(chip, dma->regFCR) & ~BA0_FCR_FEN); | |
784 | /* Initialize FIFO */ | |
785 | dma->valFCR = BA0_FCR_LS(dma->left_slot) | | |
786 | BA0_FCR_RS(capture && (dma->valDMR & BA0_DMR_MONO) ? 31 : dma->right_slot) | | |
787 | BA0_FCR_SZ(CS4281_FIFO_SIZE) | | |
788 | BA0_FCR_OF(dma->fifo_offset); | |
789 | snd_cs4281_pokeBA0(chip, dma->regFCR, dma->valFCR | (capture ? BA0_FCR_PSH : 0)); | |
790 | /* Activate FIFO again for FM playback */ | |
791 | if (dma->regFCR == BA0_FCR0) | |
792 | snd_cs4281_pokeBA0(chip, dma->regFCR, dma->valFCR | BA0_FCR_FEN); | |
793 | /* Clear FIFO Status and Interrupt Control Register */ | |
794 | snd_cs4281_pokeBA0(chip, dma->regFSIC, 0); | |
795 | } | |
796 | ||
93e35f95 TI |
797 | static int snd_cs4281_hw_params(struct snd_pcm_substream *substream, |
798 | struct snd_pcm_hw_params *hw_params) | |
1da177e4 LT |
799 | { |
800 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); | |
801 | } | |
802 | ||
93e35f95 | 803 | static int snd_cs4281_hw_free(struct snd_pcm_substream *substream) |
1da177e4 LT |
804 | { |
805 | return snd_pcm_lib_free_pages(substream); | |
806 | } | |
807 | ||
93e35f95 | 808 | static int snd_cs4281_playback_prepare(struct snd_pcm_substream *substream) |
1da177e4 | 809 | { |
93e35f95 TI |
810 | struct snd_pcm_runtime *runtime = substream->runtime; |
811 | struct cs4281_dma *dma = runtime->private_data; | |
812 | struct cs4281 *chip = snd_pcm_substream_chip(substream); | |
1da177e4 LT |
813 | |
814 | spin_lock_irq(&chip->reg_lock); | |
815 | snd_cs4281_mode(chip, dma, runtime, 0, 1); | |
816 | spin_unlock_irq(&chip->reg_lock); | |
817 | return 0; | |
818 | } | |
819 | ||
93e35f95 | 820 | static int snd_cs4281_capture_prepare(struct snd_pcm_substream *substream) |
1da177e4 | 821 | { |
93e35f95 TI |
822 | struct snd_pcm_runtime *runtime = substream->runtime; |
823 | struct cs4281_dma *dma = runtime->private_data; | |
824 | struct cs4281 *chip = snd_pcm_substream_chip(substream); | |
1da177e4 LT |
825 | |
826 | spin_lock_irq(&chip->reg_lock); | |
827 | snd_cs4281_mode(chip, dma, runtime, 1, 1); | |
828 | spin_unlock_irq(&chip->reg_lock); | |
829 | return 0; | |
830 | } | |
831 | ||
93e35f95 | 832 | static snd_pcm_uframes_t snd_cs4281_pointer(struct snd_pcm_substream *substream) |
1da177e4 | 833 | { |
93e35f95 TI |
834 | struct snd_pcm_runtime *runtime = substream->runtime; |
835 | struct cs4281_dma *dma = runtime->private_data; | |
836 | struct cs4281 *chip = snd_pcm_substream_chip(substream); | |
1da177e4 LT |
837 | |
838 | // printk("DCC = 0x%x, buffer_size = 0x%x, jiffies = %li\n", snd_cs4281_peekBA0(chip, dma->regDCC), runtime->buffer_size, jiffies); | |
839 | return runtime->buffer_size - | |
840 | snd_cs4281_peekBA0(chip, dma->regDCC) - 1; | |
841 | } | |
842 | ||
93e35f95 | 843 | static struct snd_pcm_hardware snd_cs4281_playback = |
1da177e4 LT |
844 | { |
845 | .info = (SNDRV_PCM_INFO_MMAP | | |
846 | SNDRV_PCM_INFO_INTERLEAVED | | |
847 | SNDRV_PCM_INFO_MMAP_VALID | | |
848 | SNDRV_PCM_INFO_PAUSE | | |
849 | SNDRV_PCM_INFO_RESUME | | |
850 | SNDRV_PCM_INFO_SYNC_START), | |
851 | .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | | |
852 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
853 | SNDRV_PCM_FMTBIT_U16_BE | SNDRV_PCM_FMTBIT_S16_BE | | |
854 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_S32_LE | | |
855 | SNDRV_PCM_FMTBIT_U32_BE | SNDRV_PCM_FMTBIT_S32_BE, | |
856 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, | |
857 | .rate_min = 4000, | |
858 | .rate_max = 48000, | |
859 | .channels_min = 1, | |
860 | .channels_max = 2, | |
861 | .buffer_bytes_max = (512*1024), | |
862 | .period_bytes_min = 64, | |
863 | .period_bytes_max = (512*1024), | |
864 | .periods_min = 1, | |
865 | .periods_max = 2, | |
866 | .fifo_size = CS4281_FIFO_SIZE, | |
867 | }; | |
868 | ||
93e35f95 | 869 | static struct snd_pcm_hardware snd_cs4281_capture = |
1da177e4 LT |
870 | { |
871 | .info = (SNDRV_PCM_INFO_MMAP | | |
872 | SNDRV_PCM_INFO_INTERLEAVED | | |
873 | SNDRV_PCM_INFO_MMAP_VALID | | |
874 | SNDRV_PCM_INFO_PAUSE | | |
875 | SNDRV_PCM_INFO_RESUME | | |
876 | SNDRV_PCM_INFO_SYNC_START), | |
877 | .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | | |
878 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
879 | SNDRV_PCM_FMTBIT_U16_BE | SNDRV_PCM_FMTBIT_S16_BE | | |
880 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_S32_LE | | |
881 | SNDRV_PCM_FMTBIT_U32_BE | SNDRV_PCM_FMTBIT_S32_BE, | |
882 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, | |
883 | .rate_min = 4000, | |
884 | .rate_max = 48000, | |
885 | .channels_min = 1, | |
886 | .channels_max = 2, | |
887 | .buffer_bytes_max = (512*1024), | |
888 | .period_bytes_min = 64, | |
889 | .period_bytes_max = (512*1024), | |
890 | .periods_min = 1, | |
891 | .periods_max = 2, | |
892 | .fifo_size = CS4281_FIFO_SIZE, | |
893 | }; | |
894 | ||
93e35f95 | 895 | static int snd_cs4281_playback_open(struct snd_pcm_substream *substream) |
1da177e4 | 896 | { |
93e35f95 TI |
897 | struct cs4281 *chip = snd_pcm_substream_chip(substream); |
898 | struct snd_pcm_runtime *runtime = substream->runtime; | |
899 | struct cs4281_dma *dma; | |
1da177e4 LT |
900 | |
901 | dma = &chip->dma[0]; | |
902 | dma->substream = substream; | |
903 | dma->left_slot = 0; | |
904 | dma->right_slot = 1; | |
905 | runtime->private_data = dma; | |
906 | runtime->hw = snd_cs4281_playback; | |
907 | snd_pcm_set_sync(substream); | |
908 | /* should be detected from the AC'97 layer, but it seems | |
909 | that although CS4297A rev B reports 18-bit ADC resolution, | |
910 | samples are 20-bit */ | |
911 | snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20); | |
912 | return 0; | |
913 | } | |
914 | ||
93e35f95 | 915 | static int snd_cs4281_capture_open(struct snd_pcm_substream *substream) |
1da177e4 | 916 | { |
93e35f95 TI |
917 | struct cs4281 *chip = snd_pcm_substream_chip(substream); |
918 | struct snd_pcm_runtime *runtime = substream->runtime; | |
919 | struct cs4281_dma *dma; | |
1da177e4 LT |
920 | |
921 | dma = &chip->dma[1]; | |
922 | dma->substream = substream; | |
923 | dma->left_slot = 10; | |
924 | dma->right_slot = 11; | |
925 | runtime->private_data = dma; | |
926 | runtime->hw = snd_cs4281_capture; | |
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 | ||
93e35f95 | 935 | static int snd_cs4281_playback_close(struct snd_pcm_substream *substream) |
1da177e4 | 936 | { |
93e35f95 | 937 | struct cs4281_dma *dma = substream->runtime->private_data; |
1da177e4 LT |
938 | |
939 | dma->substream = NULL; | |
940 | return 0; | |
941 | } | |
942 | ||
93e35f95 | 943 | static int snd_cs4281_capture_close(struct snd_pcm_substream *substream) |
1da177e4 | 944 | { |
93e35f95 | 945 | struct cs4281_dma *dma = substream->runtime->private_data; |
1da177e4 LT |
946 | |
947 | dma->substream = NULL; | |
948 | return 0; | |
949 | } | |
950 | ||
93e35f95 | 951 | static struct snd_pcm_ops snd_cs4281_playback_ops = { |
1da177e4 LT |
952 | .open = snd_cs4281_playback_open, |
953 | .close = snd_cs4281_playback_close, | |
954 | .ioctl = snd_pcm_lib_ioctl, | |
955 | .hw_params = snd_cs4281_hw_params, | |
956 | .hw_free = snd_cs4281_hw_free, | |
957 | .prepare = snd_cs4281_playback_prepare, | |
958 | .trigger = snd_cs4281_trigger, | |
959 | .pointer = snd_cs4281_pointer, | |
960 | }; | |
961 | ||
93e35f95 | 962 | static struct snd_pcm_ops snd_cs4281_capture_ops = { |
1da177e4 LT |
963 | .open = snd_cs4281_capture_open, |
964 | .close = snd_cs4281_capture_close, | |
965 | .ioctl = snd_pcm_lib_ioctl, | |
966 | .hw_params = snd_cs4281_hw_params, | |
967 | .hw_free = snd_cs4281_hw_free, | |
968 | .prepare = snd_cs4281_capture_prepare, | |
969 | .trigger = snd_cs4281_trigger, | |
970 | .pointer = snd_cs4281_pointer, | |
971 | }; | |
972 | ||
93e35f95 TI |
973 | static int __devinit snd_cs4281_pcm(struct cs4281 * chip, int device, |
974 | struct snd_pcm ** rpcm) | |
1da177e4 | 975 | { |
93e35f95 | 976 | struct snd_pcm *pcm; |
1da177e4 LT |
977 | int err; |
978 | ||
979 | if (rpcm) | |
980 | *rpcm = NULL; | |
981 | err = snd_pcm_new(chip->card, "CS4281", device, 1, 1, &pcm); | |
982 | if (err < 0) | |
983 | return err; | |
984 | ||
985 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs4281_playback_ops); | |
986 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cs4281_capture_ops); | |
987 | ||
988 | pcm->private_data = chip; | |
1da177e4 LT |
989 | pcm->info_flags = 0; |
990 | strcpy(pcm->name, "CS4281"); | |
991 | chip->pcm = pcm; | |
992 | ||
993 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | |
994 | snd_dma_pci_data(chip->pci), 64*1024, 512*1024); | |
995 | ||
996 | if (rpcm) | |
997 | *rpcm = pcm; | |
998 | return 0; | |
999 | } | |
1000 | ||
1001 | /* | |
1002 | * Mixer section | |
1003 | */ | |
1004 | ||
1005 | #define CS_VOL_MASK 0x1f | |
1006 | ||
93e35f95 TI |
1007 | static int snd_cs4281_info_volume(struct snd_kcontrol *kcontrol, |
1008 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 LT |
1009 | { |
1010 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
1011 | uinfo->count = 2; | |
1012 | uinfo->value.integer.min = 0; | |
1013 | uinfo->value.integer.max = CS_VOL_MASK; | |
1014 | return 0; | |
1015 | } | |
1016 | ||
93e35f95 TI |
1017 | static int snd_cs4281_get_volume(struct snd_kcontrol *kcontrol, |
1018 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1019 | { |
93e35f95 | 1020 | struct cs4281 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1021 | int regL = (kcontrol->private_value >> 16) & 0xffff; |
1022 | int regR = kcontrol->private_value & 0xffff; | |
1023 | int volL, volR; | |
1024 | ||
1025 | volL = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regL) & CS_VOL_MASK); | |
1026 | volR = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regR) & CS_VOL_MASK); | |
1027 | ||
1028 | ucontrol->value.integer.value[0] = volL; | |
1029 | ucontrol->value.integer.value[1] = volR; | |
1030 | return 0; | |
1031 | } | |
1032 | ||
93e35f95 TI |
1033 | static int snd_cs4281_put_volume(struct snd_kcontrol *kcontrol, |
1034 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1035 | { |
93e35f95 | 1036 | struct cs4281 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1037 | int change = 0; |
1038 | int regL = (kcontrol->private_value >> 16) & 0xffff; | |
1039 | int regR = kcontrol->private_value & 0xffff; | |
1040 | int volL, volR; | |
1041 | ||
1042 | volL = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regL) & CS_VOL_MASK); | |
1043 | volR = CS_VOL_MASK - (snd_cs4281_peekBA0(chip, regR) & CS_VOL_MASK); | |
1044 | ||
1045 | if (ucontrol->value.integer.value[0] != volL) { | |
1046 | volL = CS_VOL_MASK - (ucontrol->value.integer.value[0] & CS_VOL_MASK); | |
1047 | snd_cs4281_pokeBA0(chip, regL, volL); | |
1048 | change = 1; | |
1049 | } | |
e860f000 | 1050 | if (ucontrol->value.integer.value[1] != volR) { |
1da177e4 LT |
1051 | volR = CS_VOL_MASK - (ucontrol->value.integer.value[1] & CS_VOL_MASK); |
1052 | snd_cs4281_pokeBA0(chip, regR, volR); | |
1053 | change = 1; | |
1054 | } | |
1055 | return change; | |
1056 | } | |
1057 | ||
9f6ab250 TI |
1058 | static DECLARE_TLV_DB_SCALE(db_scale_dsp, -4650, 150, 0); |
1059 | ||
93e35f95 | 1060 | static struct snd_kcontrol_new snd_cs4281_fm_vol = |
1da177e4 LT |
1061 | { |
1062 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1063 | .name = "Synth Playback Volume", | |
1064 | .info = snd_cs4281_info_volume, | |
1065 | .get = snd_cs4281_get_volume, | |
1066 | .put = snd_cs4281_put_volume, | |
1067 | .private_value = ((BA0_FMLVC << 16) | BA0_FMRVC), | |
9f6ab250 | 1068 | .tlv = { .p = db_scale_dsp }, |
1da177e4 LT |
1069 | }; |
1070 | ||
93e35f95 | 1071 | static struct snd_kcontrol_new snd_cs4281_pcm_vol = |
1da177e4 LT |
1072 | { |
1073 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1074 | .name = "PCM Stream Playback Volume", | |
1075 | .info = snd_cs4281_info_volume, | |
1076 | .get = snd_cs4281_get_volume, | |
1077 | .put = snd_cs4281_put_volume, | |
1078 | .private_value = ((BA0_PPLVC << 16) | BA0_PPRVC), | |
9f6ab250 | 1079 | .tlv = { .p = db_scale_dsp }, |
1da177e4 LT |
1080 | }; |
1081 | ||
93e35f95 | 1082 | static void snd_cs4281_mixer_free_ac97_bus(struct snd_ac97_bus *bus) |
1da177e4 | 1083 | { |
93e35f95 | 1084 | struct cs4281 *chip = bus->private_data; |
1da177e4 LT |
1085 | chip->ac97_bus = NULL; |
1086 | } | |
1087 | ||
93e35f95 | 1088 | static void snd_cs4281_mixer_free_ac97(struct snd_ac97 *ac97) |
1da177e4 | 1089 | { |
93e35f95 | 1090 | struct cs4281 *chip = ac97->private_data; |
1da177e4 LT |
1091 | if (ac97->num) |
1092 | chip->ac97_secondary = NULL; | |
1093 | else | |
1094 | chip->ac97 = NULL; | |
1095 | } | |
1096 | ||
93e35f95 | 1097 | static int __devinit snd_cs4281_mixer(struct cs4281 * chip) |
1da177e4 | 1098 | { |
93e35f95 TI |
1099 | struct snd_card *card = chip->card; |
1100 | struct snd_ac97_template ac97; | |
1da177e4 | 1101 | int err; |
93e35f95 | 1102 | static struct snd_ac97_bus_ops ops = { |
1da177e4 LT |
1103 | .write = snd_cs4281_ac97_write, |
1104 | .read = snd_cs4281_ac97_read, | |
1105 | }; | |
1106 | ||
1107 | if ((err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus)) < 0) | |
1108 | return err; | |
1109 | chip->ac97_bus->private_free = snd_cs4281_mixer_free_ac97_bus; | |
1110 | ||
1111 | memset(&ac97, 0, sizeof(ac97)); | |
1112 | ac97.private_data = chip; | |
1113 | ac97.private_free = snd_cs4281_mixer_free_ac97; | |
1114 | if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) | |
1115 | return err; | |
1116 | if (chip->dual_codec) { | |
1117 | ac97.num = 1; | |
1118 | if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_secondary)) < 0) | |
1119 | return err; | |
1120 | } | |
1121 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4281_fm_vol, chip))) < 0) | |
1122 | return err; | |
1123 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4281_pcm_vol, chip))) < 0) | |
1124 | return err; | |
1125 | return 0; | |
1126 | } | |
1127 | ||
1128 | ||
1129 | /* | |
1130 | * proc interface | |
1131 | */ | |
1132 | ||
93e35f95 TI |
1133 | static void snd_cs4281_proc_read(struct snd_info_entry *entry, |
1134 | struct snd_info_buffer *buffer) | |
1da177e4 | 1135 | { |
93e35f95 | 1136 | struct cs4281 *chip = entry->private_data; |
1da177e4 LT |
1137 | |
1138 | snd_iprintf(buffer, "Cirrus Logic CS4281\n\n"); | |
1139 | snd_iprintf(buffer, "Spurious half IRQs : %u\n", chip->spurious_dhtc_irq); | |
1140 | snd_iprintf(buffer, "Spurious end IRQs : %u\n", chip->spurious_dtc_irq); | |
1141 | } | |
1142 | ||
93e35f95 TI |
1143 | static long snd_cs4281_BA0_read(struct snd_info_entry *entry, |
1144 | void *file_private_data, | |
1da177e4 LT |
1145 | struct file *file, char __user *buf, |
1146 | unsigned long count, unsigned long pos) | |
1147 | { | |
1148 | long size; | |
93e35f95 | 1149 | struct cs4281 *chip = entry->private_data; |
1da177e4 LT |
1150 | |
1151 | size = count; | |
1152 | if (pos + size > CS4281_BA0_SIZE) | |
1153 | size = (long)CS4281_BA0_SIZE - pos; | |
1154 | if (size > 0) { | |
1155 | if (copy_to_user_fromio(buf, chip->ba0 + pos, size)) | |
1156 | return -EFAULT; | |
1157 | } | |
1158 | return size; | |
1159 | } | |
1160 | ||
93e35f95 TI |
1161 | static long snd_cs4281_BA1_read(struct snd_info_entry *entry, |
1162 | void *file_private_data, | |
1da177e4 LT |
1163 | struct file *file, char __user *buf, |
1164 | unsigned long count, unsigned long pos) | |
1165 | { | |
1166 | long size; | |
93e35f95 | 1167 | struct cs4281 *chip = entry->private_data; |
1da177e4 LT |
1168 | |
1169 | size = count; | |
1170 | if (pos + size > CS4281_BA1_SIZE) | |
1171 | size = (long)CS4281_BA1_SIZE - pos; | |
1172 | if (size > 0) { | |
1173 | if (copy_to_user_fromio(buf, chip->ba1 + pos, size)) | |
1174 | return -EFAULT; | |
1175 | } | |
1176 | return size; | |
1177 | } | |
1178 | ||
1179 | static struct snd_info_entry_ops snd_cs4281_proc_ops_BA0 = { | |
1180 | .read = snd_cs4281_BA0_read, | |
1181 | }; | |
1182 | ||
1183 | static struct snd_info_entry_ops snd_cs4281_proc_ops_BA1 = { | |
1184 | .read = snd_cs4281_BA1_read, | |
1185 | }; | |
1186 | ||
93e35f95 | 1187 | static void __devinit snd_cs4281_proc_init(struct cs4281 * chip) |
1da177e4 | 1188 | { |
93e35f95 | 1189 | struct snd_info_entry *entry; |
1da177e4 LT |
1190 | |
1191 | if (! snd_card_proc_new(chip->card, "cs4281", &entry)) | |
bf850204 | 1192 | snd_info_set_text_ops(entry, chip, snd_cs4281_proc_read); |
1da177e4 LT |
1193 | if (! snd_card_proc_new(chip->card, "cs4281_BA0", &entry)) { |
1194 | entry->content = SNDRV_INFO_CONTENT_DATA; | |
1195 | entry->private_data = chip; | |
1196 | entry->c.ops = &snd_cs4281_proc_ops_BA0; | |
1197 | entry->size = CS4281_BA0_SIZE; | |
1198 | } | |
1199 | if (! snd_card_proc_new(chip->card, "cs4281_BA1", &entry)) { | |
1200 | entry->content = SNDRV_INFO_CONTENT_DATA; | |
1201 | entry->private_data = chip; | |
1202 | entry->c.ops = &snd_cs4281_proc_ops_BA1; | |
1203 | entry->size = CS4281_BA1_SIZE; | |
1204 | } | |
1205 | } | |
1206 | ||
1207 | /* | |
1208 | * joystick support | |
1209 | */ | |
1210 | ||
1211 | #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) | |
1212 | ||
1213 | static void snd_cs4281_gameport_trigger(struct gameport *gameport) | |
1214 | { | |
93e35f95 | 1215 | struct cs4281 *chip = gameport_get_port_data(gameport); |
1da177e4 LT |
1216 | |
1217 | snd_assert(chip, return); | |
1218 | snd_cs4281_pokeBA0(chip, BA0_JSPT, 0xff); | |
1219 | } | |
1220 | ||
1221 | static unsigned char snd_cs4281_gameport_read(struct gameport *gameport) | |
1222 | { | |
93e35f95 | 1223 | struct cs4281 *chip = gameport_get_port_data(gameport); |
1da177e4 LT |
1224 | |
1225 | snd_assert(chip, return 0); | |
1226 | return snd_cs4281_peekBA0(chip, BA0_JSPT); | |
1227 | } | |
1228 | ||
1229 | #ifdef COOKED_MODE | |
93e35f95 TI |
1230 | static int snd_cs4281_gameport_cooked_read(struct gameport *gameport, |
1231 | int *axes, int *buttons) | |
1da177e4 | 1232 | { |
93e35f95 | 1233 | struct cs4281 *chip = gameport_get_port_data(gameport); |
1da177e4 LT |
1234 | unsigned js1, js2, jst; |
1235 | ||
1236 | snd_assert(chip, return 0); | |
1237 | ||
1238 | js1 = snd_cs4281_peekBA0(chip, BA0_JSC1); | |
1239 | js2 = snd_cs4281_peekBA0(chip, BA0_JSC2); | |
1240 | jst = snd_cs4281_peekBA0(chip, BA0_JSPT); | |
1241 | ||
1242 | *buttons = (~jst >> 4) & 0x0F; | |
1243 | ||
1244 | axes[0] = ((js1 & JSC1_Y1V_MASK) >> JSC1_Y1V_SHIFT) & 0xFFFF; | |
1245 | axes[1] = ((js1 & JSC1_X1V_MASK) >> JSC1_X1V_SHIFT) & 0xFFFF; | |
1246 | axes[2] = ((js2 & JSC2_Y2V_MASK) >> JSC2_Y2V_SHIFT) & 0xFFFF; | |
1247 | axes[3] = ((js2 & JSC2_X2V_MASK) >> JSC2_X2V_SHIFT) & 0xFFFF; | |
1248 | ||
1249 | for (jst = 0; jst < 4; ++jst) | |
1250 | if (axes[jst] == 0xFFFF) axes[jst] = -1; | |
1251 | return 0; | |
1252 | } | |
1253 | #else | |
1254 | #define snd_cs4281_gameport_cooked_read NULL | |
1255 | #endif | |
1256 | ||
1257 | static int snd_cs4281_gameport_open(struct gameport *gameport, int mode) | |
1258 | { | |
1259 | switch (mode) { | |
1260 | #ifdef COOKED_MODE | |
1261 | case GAMEPORT_MODE_COOKED: | |
1262 | return 0; | |
1263 | #endif | |
1264 | case GAMEPORT_MODE_RAW: | |
1265 | return 0; | |
1266 | default: | |
1267 | return -1; | |
1268 | } | |
1269 | return 0; | |
1270 | } | |
1271 | ||
93e35f95 | 1272 | static int __devinit snd_cs4281_create_gameport(struct cs4281 *chip) |
1da177e4 LT |
1273 | { |
1274 | struct gameport *gp; | |
1275 | ||
1276 | chip->gameport = gp = gameport_allocate_port(); | |
1277 | if (!gp) { | |
1278 | printk(KERN_ERR "cs4281: cannot allocate memory for gameport\n"); | |
1279 | return -ENOMEM; | |
1280 | } | |
1281 | ||
1282 | gameport_set_name(gp, "CS4281 Gameport"); | |
1283 | gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); | |
1284 | gameport_set_dev_parent(gp, &chip->pci->dev); | |
1285 | gp->open = snd_cs4281_gameport_open; | |
1286 | gp->read = snd_cs4281_gameport_read; | |
1287 | gp->trigger = snd_cs4281_gameport_trigger; | |
1288 | gp->cooked_read = snd_cs4281_gameport_cooked_read; | |
1289 | gameport_set_port_data(gp, chip); | |
1290 | ||
1291 | snd_cs4281_pokeBA0(chip, BA0_JSIO, 0xFF); // ? | |
1292 | snd_cs4281_pokeBA0(chip, BA0_JSCTL, JSCTL_SP_MEDIUM_SLOW); | |
1293 | ||
1294 | gameport_register_port(gp); | |
1295 | ||
1296 | return 0; | |
1297 | } | |
1298 | ||
93e35f95 | 1299 | static void snd_cs4281_free_gameport(struct cs4281 *chip) |
1da177e4 LT |
1300 | { |
1301 | if (chip->gameport) { | |
1302 | gameport_unregister_port(chip->gameport); | |
1303 | chip->gameport = NULL; | |
1304 | } | |
1305 | } | |
1306 | #else | |
93e35f95 TI |
1307 | static inline int snd_cs4281_create_gameport(struct cs4281 *chip) { return -ENOSYS; } |
1308 | static inline void snd_cs4281_free_gameport(struct cs4281 *chip) { } | |
1da177e4 LT |
1309 | #endif /* CONFIG_GAMEPORT || (MODULE && CONFIG_GAMEPORT_MODULE) */ |
1310 | ||
93e35f95 | 1311 | static int snd_cs4281_free(struct cs4281 *chip) |
1da177e4 LT |
1312 | { |
1313 | snd_cs4281_free_gameport(chip); | |
1314 | ||
1315 | if (chip->irq >= 0) | |
1316 | synchronize_irq(chip->irq); | |
1317 | ||
1318 | /* Mask interrupts */ | |
1319 | snd_cs4281_pokeBA0(chip, BA0_HIMR, 0x7fffffff); | |
1320 | /* Stop the DLL Clock logic. */ | |
1321 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, 0); | |
1322 | /* Sound System Power Management - Turn Everything OFF */ | |
1323 | snd_cs4281_pokeBA0(chip, BA0_SSPM, 0); | |
1324 | /* PCI interface - D3 state */ | |
1325 | pci_set_power_state(chip->pci, 3); | |
1326 | ||
1327 | if (chip->irq >= 0) | |
93e35f95 | 1328 | free_irq(chip->irq, chip); |
1da177e4 LT |
1329 | if (chip->ba0) |
1330 | iounmap(chip->ba0); | |
1331 | if (chip->ba1) | |
1332 | iounmap(chip->ba1); | |
1333 | pci_release_regions(chip->pci); | |
1334 | pci_disable_device(chip->pci); | |
1335 | ||
1336 | kfree(chip); | |
1337 | return 0; | |
1338 | } | |
1339 | ||
93e35f95 | 1340 | static int snd_cs4281_dev_free(struct snd_device *device) |
1da177e4 | 1341 | { |
93e35f95 | 1342 | struct cs4281 *chip = device->device_data; |
1da177e4 LT |
1343 | return snd_cs4281_free(chip); |
1344 | } | |
1345 | ||
93e35f95 | 1346 | static int snd_cs4281_chip_init(struct cs4281 *chip); /* defined below */ |
1da177e4 | 1347 | |
93e35f95 | 1348 | static int __devinit snd_cs4281_create(struct snd_card *card, |
1da177e4 | 1349 | struct pci_dev *pci, |
93e35f95 | 1350 | struct cs4281 ** rchip, |
1da177e4 LT |
1351 | int dual_codec) |
1352 | { | |
93e35f95 | 1353 | struct cs4281 *chip; |
1da177e4 LT |
1354 | unsigned int tmp; |
1355 | int err; | |
93e35f95 | 1356 | static struct snd_device_ops ops = { |
1da177e4 LT |
1357 | .dev_free = snd_cs4281_dev_free, |
1358 | }; | |
1359 | ||
1360 | *rchip = NULL; | |
1361 | if ((err = pci_enable_device(pci)) < 0) | |
1362 | return err; | |
e560d8d8 | 1363 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
1da177e4 LT |
1364 | if (chip == NULL) { |
1365 | pci_disable_device(pci); | |
1366 | return -ENOMEM; | |
1367 | } | |
1368 | spin_lock_init(&chip->reg_lock); | |
1369 | chip->card = card; | |
1370 | chip->pci = pci; | |
1371 | chip->irq = -1; | |
1372 | pci_set_master(pci); | |
1373 | if (dual_codec < 0 || dual_codec > 3) { | |
1374 | snd_printk(KERN_ERR "invalid dual_codec option %d\n", dual_codec); | |
1375 | dual_codec = 0; | |
1376 | } | |
1377 | chip->dual_codec = dual_codec; | |
1378 | ||
1379 | if ((err = pci_request_regions(pci, "CS4281")) < 0) { | |
1380 | kfree(chip); | |
1381 | pci_disable_device(pci); | |
1382 | return err; | |
1383 | } | |
1384 | chip->ba0_addr = pci_resource_start(pci, 0); | |
1385 | chip->ba1_addr = pci_resource_start(pci, 1); | |
1386 | ||
688956f2 TI |
1387 | chip->ba0 = ioremap_nocache(chip->ba0_addr, pci_resource_len(pci, 0)); |
1388 | chip->ba1 = ioremap_nocache(chip->ba1_addr, pci_resource_len(pci, 1)); | |
1389 | if (!chip->ba0 || !chip->ba1) { | |
1390 | snd_cs4281_free(chip); | |
1391 | return -ENOMEM; | |
1392 | } | |
1393 | ||
437a5a46 | 1394 | if (request_irq(pci->irq, snd_cs4281_interrupt, IRQF_SHARED, |
93e35f95 | 1395 | "CS4281", chip)) { |
1da177e4 LT |
1396 | snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); |
1397 | snd_cs4281_free(chip); | |
1398 | return -ENOMEM; | |
1399 | } | |
1400 | chip->irq = pci->irq; | |
1401 | ||
1da177e4 LT |
1402 | tmp = snd_cs4281_chip_init(chip); |
1403 | if (tmp) { | |
1404 | snd_cs4281_free(chip); | |
1405 | return tmp; | |
1406 | } | |
1407 | ||
1408 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { | |
1409 | snd_cs4281_free(chip); | |
1410 | return err; | |
1411 | } | |
1412 | ||
1413 | snd_cs4281_proc_init(chip); | |
1414 | ||
1da177e4 LT |
1415 | snd_card_set_dev(card, &pci->dev); |
1416 | ||
1417 | *rchip = chip; | |
1418 | return 0; | |
1419 | } | |
1420 | ||
93e35f95 | 1421 | static int snd_cs4281_chip_init(struct cs4281 *chip) |
1da177e4 LT |
1422 | { |
1423 | unsigned int tmp; | |
38223daa | 1424 | unsigned long end_time; |
1da177e4 LT |
1425 | int retry_count = 2; |
1426 | ||
a488e033 AP |
1427 | /* Having EPPMC.FPDN=1 prevent proper chip initialisation */ |
1428 | tmp = snd_cs4281_peekBA0(chip, BA0_EPPMC); | |
1429 | if (tmp & BA0_EPPMC_FPDN) | |
1430 | snd_cs4281_pokeBA0(chip, BA0_EPPMC, tmp & ~BA0_EPPMC_FPDN); | |
1431 | ||
1da177e4 LT |
1432 | __retry: |
1433 | tmp = snd_cs4281_peekBA0(chip, BA0_CFLR); | |
1434 | if (tmp != BA0_CFLR_DEFAULT) { | |
1435 | snd_cs4281_pokeBA0(chip, BA0_CFLR, BA0_CFLR_DEFAULT); | |
1436 | tmp = snd_cs4281_peekBA0(chip, BA0_CFLR); | |
1437 | if (tmp != BA0_CFLR_DEFAULT) { | |
1438 | snd_printk(KERN_ERR "CFLR setup failed (0x%x)\n", tmp); | |
1439 | return -EIO; | |
1440 | } | |
1441 | } | |
1442 | ||
1443 | /* Set the 'Configuration Write Protect' register | |
1444 | * to 4281h. Allows vendor-defined configuration | |
1445 | * space between 0e4h and 0ffh to be written. */ | |
1446 | snd_cs4281_pokeBA0(chip, BA0_CWPR, 0x4281); | |
1447 | ||
1448 | if ((tmp = snd_cs4281_peekBA0(chip, BA0_SERC1)) != (BA0_SERC1_SO1EN | BA0_SERC1_AC97)) { | |
1449 | snd_printk(KERN_ERR "SERC1 AC'97 check failed (0x%x)\n", tmp); | |
1450 | return -EIO; | |
1451 | } | |
1452 | if ((tmp = snd_cs4281_peekBA0(chip, BA0_SERC2)) != (BA0_SERC2_SI1EN | BA0_SERC2_AC97)) { | |
1453 | snd_printk(KERN_ERR "SERC2 AC'97 check failed (0x%x)\n", tmp); | |
1454 | return -EIO; | |
1455 | } | |
1456 | ||
1457 | /* Sound System Power Management */ | |
1458 | snd_cs4281_pokeBA0(chip, BA0_SSPM, BA0_SSPM_MIXEN | BA0_SSPM_CSRCEN | | |
1459 | BA0_SSPM_PSRCEN | BA0_SSPM_JSEN | | |
1460 | BA0_SSPM_ACLEN | BA0_SSPM_FMEN); | |
1461 | ||
1462 | /* Serial Port Power Management */ | |
1463 | /* Blast the clock control register to zero so that the | |
1464 | * PLL starts out in a known state, and blast the master serial | |
1465 | * port control register to zero so that the serial ports also | |
1466 | * start out in a known state. */ | |
1467 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, 0); | |
1468 | snd_cs4281_pokeBA0(chip, BA0_SERMC, 0); | |
1469 | ||
1470 | /* Make ESYN go to zero to turn off | |
1471 | * the Sync pulse on the AC97 link. */ | |
1472 | snd_cs4281_pokeBA0(chip, BA0_ACCTL, 0); | |
1473 | udelay(50); | |
1474 | ||
1475 | /* Drive the ARST# pin low for a minimum of 1uS (as defined in the AC97 | |
1476 | * spec) and then drive it high. This is done for non AC97 modes since | |
1477 | * there might be logic external to the CS4281 that uses the ARST# line | |
1478 | * for a reset. */ | |
1479 | snd_cs4281_pokeBA0(chip, BA0_SPMC, 0); | |
1480 | udelay(50); | |
1481 | snd_cs4281_pokeBA0(chip, BA0_SPMC, BA0_SPMC_RSTN); | |
c9a49bb1 | 1482 | msleep(50); |
1da177e4 LT |
1483 | |
1484 | if (chip->dual_codec) | |
1485 | snd_cs4281_pokeBA0(chip, BA0_SPMC, BA0_SPMC_RSTN | BA0_SPMC_ASDI2E); | |
1486 | ||
1487 | /* | |
1488 | * Set the serial port timing configuration. | |
1489 | */ | |
1490 | snd_cs4281_pokeBA0(chip, BA0_SERMC, | |
1491 | (chip->dual_codec ? BA0_SERMC_TCID(chip->dual_codec) : BA0_SERMC_TCID(1)) | | |
1492 | BA0_SERMC_PTC_AC97 | BA0_SERMC_MSPE); | |
1493 | ||
1494 | /* | |
1495 | * Start the DLL Clock logic. | |
1496 | */ | |
1497 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, BA0_CLKCR1_DLLP); | |
c9a49bb1 | 1498 | msleep(50); |
1da177e4 LT |
1499 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, BA0_CLKCR1_SWCE | BA0_CLKCR1_DLLP); |
1500 | ||
1501 | /* | |
1502 | * Wait for the DLL ready signal from the clock logic. | |
1503 | */ | |
38223daa | 1504 | end_time = jiffies + HZ; |
1da177e4 LT |
1505 | do { |
1506 | /* | |
1507 | * Read the AC97 status register to see if we've seen a CODEC | |
1508 | * signal from the AC97 codec. | |
1509 | */ | |
1510 | if (snd_cs4281_peekBA0(chip, BA0_CLKCR1) & BA0_CLKCR1_DLLRDY) | |
1511 | goto __ok0; | |
38223daa TI |
1512 | schedule_timeout_uninterruptible(1); |
1513 | } while (time_after_eq(end_time, jiffies)); | |
1da177e4 LT |
1514 | |
1515 | snd_printk(KERN_ERR "DLLRDY not seen\n"); | |
1516 | return -EIO; | |
1517 | ||
1518 | __ok0: | |
1519 | ||
1520 | /* | |
1521 | * The first thing we do here is to enable sync generation. As soon | |
1522 | * as we start receiving bit clock, we'll start producing the SYNC | |
1523 | * signal. | |
1524 | */ | |
1525 | snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_ESYN); | |
1526 | ||
1527 | /* | |
1528 | * Wait for the codec ready signal from the AC97 codec. | |
1529 | */ | |
38223daa | 1530 | end_time = jiffies + HZ; |
1da177e4 LT |
1531 | do { |
1532 | /* | |
1533 | * Read the AC97 status register to see if we've seen a CODEC | |
1534 | * signal from the AC97 codec. | |
1535 | */ | |
1536 | if (snd_cs4281_peekBA0(chip, BA0_ACSTS) & BA0_ACSTS_CRDY) | |
1537 | goto __ok1; | |
38223daa TI |
1538 | schedule_timeout_uninterruptible(1); |
1539 | } while (time_after_eq(end_time, jiffies)); | |
1da177e4 LT |
1540 | |
1541 | snd_printk(KERN_ERR "never read codec ready from AC'97 (0x%x)\n", snd_cs4281_peekBA0(chip, BA0_ACSTS)); | |
1542 | return -EIO; | |
1543 | ||
1544 | __ok1: | |
1545 | if (chip->dual_codec) { | |
38223daa | 1546 | end_time = jiffies + HZ; |
1da177e4 LT |
1547 | do { |
1548 | if (snd_cs4281_peekBA0(chip, BA0_ACSTS2) & BA0_ACSTS_CRDY) | |
1549 | goto __codec2_ok; | |
38223daa TI |
1550 | schedule_timeout_uninterruptible(1); |
1551 | } while (time_after_eq(end_time, jiffies)); | |
1da177e4 LT |
1552 | snd_printk(KERN_INFO "secondary codec doesn't respond. disable it...\n"); |
1553 | chip->dual_codec = 0; | |
1554 | __codec2_ok: ; | |
1555 | } | |
1556 | ||
1557 | /* | |
1558 | * Assert the valid frame signal so that we can start sending commands | |
1559 | * to the AC97 codec. | |
1560 | */ | |
1561 | ||
1562 | snd_cs4281_pokeBA0(chip, BA0_ACCTL, BA0_ACCTL_VFRM | BA0_ACCTL_ESYN); | |
1563 | ||
1564 | /* | |
1565 | * Wait until we've sampled input slots 3 and 4 as valid, meaning that | |
1566 | * the codec is pumping ADC data across the AC-link. | |
1567 | */ | |
1568 | ||
38223daa | 1569 | end_time = jiffies + HZ; |
1da177e4 LT |
1570 | do { |
1571 | /* | |
1572 | * Read the input slot valid register and see if input slots 3 | |
1573 | * 4 are valid yet. | |
1574 | */ | |
1575 | if ((snd_cs4281_peekBA0(chip, BA0_ACISV) & (BA0_ACISV_SLV(3) | BA0_ACISV_SLV(4))) == (BA0_ACISV_SLV(3) | BA0_ACISV_SLV(4))) | |
1576 | goto __ok2; | |
38223daa TI |
1577 | schedule_timeout_uninterruptible(1); |
1578 | } while (time_after_eq(end_time, jiffies)); | |
1da177e4 LT |
1579 | |
1580 | if (--retry_count > 0) | |
1581 | goto __retry; | |
1582 | snd_printk(KERN_ERR "never read ISV3 and ISV4 from AC'97\n"); | |
1583 | return -EIO; | |
1584 | ||
1585 | __ok2: | |
1586 | ||
1587 | /* | |
1588 | * Now, assert valid frame and the slot 3 and 4 valid bits. This will | |
1589 | * commense the transfer of digital audio data to the AC97 codec. | |
1590 | */ | |
1591 | snd_cs4281_pokeBA0(chip, BA0_ACOSV, BA0_ACOSV_SLV(3) | BA0_ACOSV_SLV(4)); | |
1592 | ||
1593 | /* | |
1594 | * Initialize DMA structures | |
1595 | */ | |
1596 | for (tmp = 0; tmp < 4; tmp++) { | |
93e35f95 | 1597 | struct cs4281_dma *dma = &chip->dma[tmp]; |
1da177e4 LT |
1598 | dma->regDBA = BA0_DBA0 + (tmp * 0x10); |
1599 | dma->regDCA = BA0_DCA0 + (tmp * 0x10); | |
1600 | dma->regDBC = BA0_DBC0 + (tmp * 0x10); | |
1601 | dma->regDCC = BA0_DCC0 + (tmp * 0x10); | |
1602 | dma->regDMR = BA0_DMR0 + (tmp * 8); | |
1603 | dma->regDCR = BA0_DCR0 + (tmp * 8); | |
1604 | dma->regHDSR = BA0_HDSR0 + (tmp * 4); | |
1605 | dma->regFCR = BA0_FCR0 + (tmp * 4); | |
1606 | dma->regFSIC = BA0_FSIC0 + (tmp * 4); | |
1607 | dma->fifo_offset = tmp * CS4281_FIFO_SIZE; | |
1608 | snd_cs4281_pokeBA0(chip, dma->regFCR, | |
1609 | BA0_FCR_LS(31) | | |
1610 | BA0_FCR_RS(31) | | |
1611 | BA0_FCR_SZ(CS4281_FIFO_SIZE) | | |
1612 | BA0_FCR_OF(dma->fifo_offset)); | |
1613 | } | |
1614 | ||
1615 | chip->src_left_play_slot = 0; /* AC'97 left PCM playback (3) */ | |
1616 | chip->src_right_play_slot = 1; /* AC'97 right PCM playback (4) */ | |
1617 | chip->src_left_rec_slot = 10; /* AC'97 left PCM record (3) */ | |
1618 | chip->src_right_rec_slot = 11; /* AC'97 right PCM record (4) */ | |
1619 | ||
1620 | /* Activate wave playback FIFO for FM playback */ | |
1621 | chip->dma[0].valFCR = BA0_FCR_FEN | BA0_FCR_LS(0) | | |
1622 | BA0_FCR_RS(1) | | |
1623 | BA0_FCR_SZ(CS4281_FIFO_SIZE) | | |
1624 | BA0_FCR_OF(chip->dma[0].fifo_offset); | |
1625 | snd_cs4281_pokeBA0(chip, chip->dma[0].regFCR, chip->dma[0].valFCR); | |
1626 | snd_cs4281_pokeBA0(chip, BA0_SRCSA, (chip->src_left_play_slot << 0) | | |
1627 | (chip->src_right_play_slot << 8) | | |
1628 | (chip->src_left_rec_slot << 16) | | |
1629 | (chip->src_right_rec_slot << 24)); | |
1630 | ||
1631 | /* Initialize digital volume */ | |
1632 | snd_cs4281_pokeBA0(chip, BA0_PPLVC, 0); | |
1633 | snd_cs4281_pokeBA0(chip, BA0_PPRVC, 0); | |
1634 | ||
1635 | /* Enable IRQs */ | |
1636 | snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI); | |
1637 | /* Unmask interrupts */ | |
1638 | snd_cs4281_pokeBA0(chip, BA0_HIMR, 0x7fffffff & ~( | |
1639 | BA0_HISR_MIDI | | |
1640 | BA0_HISR_DMAI | | |
1641 | BA0_HISR_DMA(0) | | |
1642 | BA0_HISR_DMA(1) | | |
1643 | BA0_HISR_DMA(2) | | |
1644 | BA0_HISR_DMA(3))); | |
1645 | synchronize_irq(chip->irq); | |
1646 | ||
1647 | return 0; | |
1648 | } | |
1649 | ||
1650 | /* | |
1651 | * MIDI section | |
1652 | */ | |
1653 | ||
93e35f95 | 1654 | static void snd_cs4281_midi_reset(struct cs4281 *chip) |
1da177e4 LT |
1655 | { |
1656 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr | BA0_MIDCR_MRST); | |
1657 | udelay(100); | |
1658 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1659 | } | |
1660 | ||
93e35f95 | 1661 | static int snd_cs4281_midi_input_open(struct snd_rawmidi_substream *substream) |
1da177e4 | 1662 | { |
93e35f95 | 1663 | struct cs4281 *chip = substream->rmidi->private_data; |
1da177e4 LT |
1664 | |
1665 | spin_lock_irq(&chip->reg_lock); | |
1666 | chip->midcr |= BA0_MIDCR_RXE; | |
1667 | chip->midi_input = substream; | |
1668 | if (!(chip->uartm & CS4281_MODE_OUTPUT)) { | |
1669 | snd_cs4281_midi_reset(chip); | |
1670 | } else { | |
1671 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1672 | } | |
1673 | spin_unlock_irq(&chip->reg_lock); | |
1674 | return 0; | |
1675 | } | |
1676 | ||
93e35f95 | 1677 | static int snd_cs4281_midi_input_close(struct snd_rawmidi_substream *substream) |
1da177e4 | 1678 | { |
93e35f95 | 1679 | struct cs4281 *chip = substream->rmidi->private_data; |
1da177e4 LT |
1680 | |
1681 | spin_lock_irq(&chip->reg_lock); | |
1682 | chip->midcr &= ~(BA0_MIDCR_RXE | BA0_MIDCR_RIE); | |
1683 | chip->midi_input = NULL; | |
1684 | if (!(chip->uartm & CS4281_MODE_OUTPUT)) { | |
1685 | snd_cs4281_midi_reset(chip); | |
1686 | } else { | |
1687 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1688 | } | |
1689 | chip->uartm &= ~CS4281_MODE_INPUT; | |
1690 | spin_unlock_irq(&chip->reg_lock); | |
1691 | return 0; | |
1692 | } | |
1693 | ||
93e35f95 | 1694 | static int snd_cs4281_midi_output_open(struct snd_rawmidi_substream *substream) |
1da177e4 | 1695 | { |
93e35f95 | 1696 | struct cs4281 *chip = substream->rmidi->private_data; |
1da177e4 LT |
1697 | |
1698 | spin_lock_irq(&chip->reg_lock); | |
1699 | chip->uartm |= CS4281_MODE_OUTPUT; | |
1700 | chip->midcr |= BA0_MIDCR_TXE; | |
1701 | chip->midi_output = substream; | |
1702 | if (!(chip->uartm & CS4281_MODE_INPUT)) { | |
1703 | snd_cs4281_midi_reset(chip); | |
1704 | } else { | |
1705 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1706 | } | |
1707 | spin_unlock_irq(&chip->reg_lock); | |
1708 | return 0; | |
1709 | } | |
1710 | ||
93e35f95 | 1711 | static int snd_cs4281_midi_output_close(struct snd_rawmidi_substream *substream) |
1da177e4 | 1712 | { |
93e35f95 | 1713 | struct cs4281 *chip = substream->rmidi->private_data; |
1da177e4 LT |
1714 | |
1715 | spin_lock_irq(&chip->reg_lock); | |
1716 | chip->midcr &= ~(BA0_MIDCR_TXE | BA0_MIDCR_TIE); | |
1717 | chip->midi_output = NULL; | |
1718 | if (!(chip->uartm & CS4281_MODE_INPUT)) { | |
1719 | snd_cs4281_midi_reset(chip); | |
1720 | } else { | |
1721 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1722 | } | |
1723 | chip->uartm &= ~CS4281_MODE_OUTPUT; | |
1724 | spin_unlock_irq(&chip->reg_lock); | |
1725 | return 0; | |
1726 | } | |
1727 | ||
93e35f95 | 1728 | static void snd_cs4281_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) |
1da177e4 LT |
1729 | { |
1730 | unsigned long flags; | |
93e35f95 | 1731 | struct cs4281 *chip = substream->rmidi->private_data; |
1da177e4 LT |
1732 | |
1733 | spin_lock_irqsave(&chip->reg_lock, flags); | |
1734 | if (up) { | |
1735 | if ((chip->midcr & BA0_MIDCR_RIE) == 0) { | |
1736 | chip->midcr |= BA0_MIDCR_RIE; | |
1737 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1738 | } | |
1739 | } else { | |
1740 | if (chip->midcr & BA0_MIDCR_RIE) { | |
1741 | chip->midcr &= ~BA0_MIDCR_RIE; | |
1742 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1743 | } | |
1744 | } | |
1745 | spin_unlock_irqrestore(&chip->reg_lock, flags); | |
1746 | } | |
1747 | ||
93e35f95 | 1748 | static void snd_cs4281_midi_output_trigger(struct snd_rawmidi_substream *substream, int up) |
1da177e4 LT |
1749 | { |
1750 | unsigned long flags; | |
93e35f95 | 1751 | struct cs4281 *chip = substream->rmidi->private_data; |
1da177e4 LT |
1752 | unsigned char byte; |
1753 | ||
1754 | spin_lock_irqsave(&chip->reg_lock, flags); | |
1755 | if (up) { | |
1756 | if ((chip->midcr & BA0_MIDCR_TIE) == 0) { | |
1757 | chip->midcr |= BA0_MIDCR_TIE; | |
1758 | /* fill UART FIFO buffer at first, and turn Tx interrupts only if necessary */ | |
1759 | while ((chip->midcr & BA0_MIDCR_TIE) && | |
1760 | (snd_cs4281_peekBA0(chip, BA0_MIDSR) & BA0_MIDSR_TBF) == 0) { | |
1761 | if (snd_rawmidi_transmit(substream, &byte, 1) != 1) { | |
1762 | chip->midcr &= ~BA0_MIDCR_TIE; | |
1763 | } else { | |
1764 | snd_cs4281_pokeBA0(chip, BA0_MIDWP, byte); | |
1765 | } | |
1766 | } | |
1767 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1768 | } | |
1769 | } else { | |
1770 | if (chip->midcr & BA0_MIDCR_TIE) { | |
1771 | chip->midcr &= ~BA0_MIDCR_TIE; | |
1772 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1773 | } | |
1774 | } | |
1775 | spin_unlock_irqrestore(&chip->reg_lock, flags); | |
1776 | } | |
1777 | ||
93e35f95 | 1778 | static struct snd_rawmidi_ops snd_cs4281_midi_output = |
1da177e4 LT |
1779 | { |
1780 | .open = snd_cs4281_midi_output_open, | |
1781 | .close = snd_cs4281_midi_output_close, | |
1782 | .trigger = snd_cs4281_midi_output_trigger, | |
1783 | }; | |
1784 | ||
93e35f95 | 1785 | static struct snd_rawmidi_ops snd_cs4281_midi_input = |
1da177e4 LT |
1786 | { |
1787 | .open = snd_cs4281_midi_input_open, | |
1788 | .close = snd_cs4281_midi_input_close, | |
1789 | .trigger = snd_cs4281_midi_input_trigger, | |
1790 | }; | |
1791 | ||
93e35f95 TI |
1792 | static int __devinit snd_cs4281_midi(struct cs4281 * chip, int device, |
1793 | struct snd_rawmidi **rrawmidi) | |
1da177e4 | 1794 | { |
93e35f95 | 1795 | struct snd_rawmidi *rmidi; |
1da177e4 LT |
1796 | int err; |
1797 | ||
1798 | if (rrawmidi) | |
1799 | *rrawmidi = NULL; | |
1800 | if ((err = snd_rawmidi_new(chip->card, "CS4281", device, 1, 1, &rmidi)) < 0) | |
1801 | return err; | |
1802 | strcpy(rmidi->name, "CS4281"); | |
1803 | snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_cs4281_midi_output); | |
1804 | snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_cs4281_midi_input); | |
1805 | rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT | SNDRV_RAWMIDI_INFO_DUPLEX; | |
1806 | rmidi->private_data = chip; | |
1807 | chip->rmidi = rmidi; | |
1808 | if (rrawmidi) | |
1809 | *rrawmidi = rmidi; | |
1810 | return 0; | |
1811 | } | |
1812 | ||
1813 | /* | |
1814 | * Interrupt handler | |
1815 | */ | |
1816 | ||
7d12e780 | 1817 | static irqreturn_t snd_cs4281_interrupt(int irq, void *dev_id) |
1da177e4 | 1818 | { |
93e35f95 | 1819 | struct cs4281 *chip = dev_id; |
1da177e4 | 1820 | unsigned int status, dma, val; |
93e35f95 | 1821 | struct cs4281_dma *cdma; |
1da177e4 LT |
1822 | |
1823 | if (chip == NULL) | |
1824 | return IRQ_NONE; | |
1825 | status = snd_cs4281_peekBA0(chip, BA0_HISR); | |
1826 | if ((status & 0x7fffffff) == 0) { | |
1827 | snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI); | |
1828 | return IRQ_NONE; | |
1829 | } | |
1830 | ||
1831 | if (status & (BA0_HISR_DMA(0)|BA0_HISR_DMA(1)|BA0_HISR_DMA(2)|BA0_HISR_DMA(3))) { | |
1832 | for (dma = 0; dma < 4; dma++) | |
1833 | if (status & BA0_HISR_DMA(dma)) { | |
1834 | cdma = &chip->dma[dma]; | |
1835 | spin_lock(&chip->reg_lock); | |
1836 | /* ack DMA IRQ */ | |
1837 | val = snd_cs4281_peekBA0(chip, cdma->regHDSR); | |
1838 | /* workaround, sometimes CS4281 acknowledges */ | |
1839 | /* end or middle transfer position twice */ | |
1840 | cdma->frag++; | |
1841 | if ((val & BA0_HDSR_DHTC) && !(cdma->frag & 1)) { | |
1842 | cdma->frag--; | |
1843 | chip->spurious_dhtc_irq++; | |
1844 | spin_unlock(&chip->reg_lock); | |
1845 | continue; | |
1846 | } | |
1847 | if ((val & BA0_HDSR_DTC) && (cdma->frag & 1)) { | |
1848 | cdma->frag--; | |
1849 | chip->spurious_dtc_irq++; | |
1850 | spin_unlock(&chip->reg_lock); | |
1851 | continue; | |
1852 | } | |
1853 | spin_unlock(&chip->reg_lock); | |
1854 | snd_pcm_period_elapsed(cdma->substream); | |
1855 | } | |
1856 | } | |
1857 | ||
1858 | if ((status & BA0_HISR_MIDI) && chip->rmidi) { | |
1859 | unsigned char c; | |
1860 | ||
1861 | spin_lock(&chip->reg_lock); | |
1862 | while ((snd_cs4281_peekBA0(chip, BA0_MIDSR) & BA0_MIDSR_RBE) == 0) { | |
1863 | c = snd_cs4281_peekBA0(chip, BA0_MIDRP); | |
1864 | if ((chip->midcr & BA0_MIDCR_RIE) == 0) | |
1865 | continue; | |
1866 | snd_rawmidi_receive(chip->midi_input, &c, 1); | |
1867 | } | |
1868 | while ((snd_cs4281_peekBA0(chip, BA0_MIDSR) & BA0_MIDSR_TBF) == 0) { | |
1869 | if ((chip->midcr & BA0_MIDCR_TIE) == 0) | |
1870 | break; | |
1871 | if (snd_rawmidi_transmit(chip->midi_output, &c, 1) != 1) { | |
1872 | chip->midcr &= ~BA0_MIDCR_TIE; | |
1873 | snd_cs4281_pokeBA0(chip, BA0_MIDCR, chip->midcr); | |
1874 | break; | |
1875 | } | |
1876 | snd_cs4281_pokeBA0(chip, BA0_MIDWP, c); | |
1877 | } | |
1878 | spin_unlock(&chip->reg_lock); | |
1879 | } | |
1880 | ||
1881 | /* EOI to the PCI part... reenables interrupts */ | |
1882 | snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_EOI); | |
1883 | ||
1884 | return IRQ_HANDLED; | |
1885 | } | |
1886 | ||
1887 | ||
1888 | /* | |
1889 | * OPL3 command | |
1890 | */ | |
93e35f95 TI |
1891 | static void snd_cs4281_opl3_command(struct snd_opl3 *opl3, unsigned short cmd, |
1892 | unsigned char val) | |
1da177e4 LT |
1893 | { |
1894 | unsigned long flags; | |
93e35f95 | 1895 | struct cs4281 *chip = opl3->private_data; |
1da177e4 LT |
1896 | void __iomem *port; |
1897 | ||
1898 | if (cmd & OPL3_RIGHT) | |
1899 | port = chip->ba0 + BA0_B1AP; /* right port */ | |
1900 | else | |
1901 | port = chip->ba0 + BA0_B0AP; /* left port */ | |
1902 | ||
1903 | spin_lock_irqsave(&opl3->reg_lock, flags); | |
1904 | ||
1905 | writel((unsigned int)cmd, port); | |
1906 | udelay(10); | |
1907 | ||
1908 | writel((unsigned int)val, port + 4); | |
1909 | udelay(30); | |
1910 | ||
1911 | spin_unlock_irqrestore(&opl3->reg_lock, flags); | |
1912 | } | |
1913 | ||
1914 | static int __devinit snd_cs4281_probe(struct pci_dev *pci, | |
1915 | const struct pci_device_id *pci_id) | |
1916 | { | |
1917 | static int dev; | |
93e35f95 TI |
1918 | struct snd_card *card; |
1919 | struct cs4281 *chip; | |
1920 | struct snd_opl3 *opl3; | |
1da177e4 LT |
1921 | int err; |
1922 | ||
1923 | if (dev >= SNDRV_CARDS) | |
1924 | return -ENODEV; | |
1925 | if (!enable[dev]) { | |
1926 | dev++; | |
1927 | return -ENOENT; | |
1928 | } | |
1929 | ||
1930 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); | |
1931 | if (card == NULL) | |
1932 | return -ENOMEM; | |
1933 | ||
1934 | if ((err = snd_cs4281_create(card, pci, &chip, dual_codec[dev])) < 0) { | |
1935 | snd_card_free(card); | |
1936 | return err; | |
1937 | } | |
38c0a158 | 1938 | card->private_data = chip; |
1da177e4 LT |
1939 | |
1940 | if ((err = snd_cs4281_mixer(chip)) < 0) { | |
1941 | snd_card_free(card); | |
1942 | return err; | |
1943 | } | |
1944 | if ((err = snd_cs4281_pcm(chip, 0, NULL)) < 0) { | |
1945 | snd_card_free(card); | |
1946 | return err; | |
1947 | } | |
1948 | if ((err = snd_cs4281_midi(chip, 0, NULL)) < 0) { | |
1949 | snd_card_free(card); | |
1950 | return err; | |
1951 | } | |
1952 | if ((err = snd_opl3_new(card, OPL3_HW_OPL3_CS4281, &opl3)) < 0) { | |
1953 | snd_card_free(card); | |
1954 | return err; | |
1955 | } | |
1956 | opl3->private_data = chip; | |
1957 | opl3->command = snd_cs4281_opl3_command; | |
1958 | snd_opl3_init(opl3); | |
1959 | if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { | |
1960 | snd_card_free(card); | |
1961 | return err; | |
1962 | } | |
1963 | snd_cs4281_create_gameport(chip); | |
1964 | strcpy(card->driver, "CS4281"); | |
1965 | strcpy(card->shortname, "Cirrus Logic CS4281"); | |
1966 | sprintf(card->longname, "%s at 0x%lx, irq %d", | |
1967 | card->shortname, | |
1968 | chip->ba0_addr, | |
1969 | chip->irq); | |
1970 | ||
1971 | if ((err = snd_card_register(card)) < 0) { | |
1972 | snd_card_free(card); | |
1973 | return err; | |
1974 | } | |
1975 | ||
1976 | pci_set_drvdata(pci, card); | |
1977 | dev++; | |
1978 | return 0; | |
1979 | } | |
1980 | ||
1981 | static void __devexit snd_cs4281_remove(struct pci_dev *pci) | |
1982 | { | |
1983 | snd_card_free(pci_get_drvdata(pci)); | |
1984 | pci_set_drvdata(pci, NULL); | |
1985 | } | |
1986 | ||
1987 | /* | |
1988 | * Power Management | |
1989 | */ | |
1990 | #ifdef CONFIG_PM | |
1991 | ||
1992 | static int saved_regs[SUSPEND_REGISTERS] = { | |
1993 | BA0_JSCTL, | |
1994 | BA0_GPIOR, | |
1995 | BA0_SSCR, | |
1996 | BA0_MIDCR, | |
1997 | BA0_SRCSA, | |
1998 | BA0_PASR, | |
1999 | BA0_CASR, | |
2000 | BA0_DACSR, | |
2001 | BA0_ADCSR, | |
2002 | BA0_FMLVC, | |
2003 | BA0_FMRVC, | |
2004 | BA0_PPLVC, | |
2005 | BA0_PPRVC, | |
2006 | }; | |
2007 | ||
2008 | #define CLKCR1_CKRA 0x00010000L | |
2009 | ||
38c0a158 | 2010 | static int cs4281_suspend(struct pci_dev *pci, pm_message_t state) |
1da177e4 | 2011 | { |
38c0a158 TI |
2012 | struct snd_card *card = pci_get_drvdata(pci); |
2013 | struct cs4281 *chip = card->private_data; | |
1da177e4 LT |
2014 | u32 ulCLK; |
2015 | unsigned int i; | |
2016 | ||
38c0a158 | 2017 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
1da177e4 LT |
2018 | snd_pcm_suspend_all(chip->pcm); |
2019 | ||
38c0a158 TI |
2020 | snd_ac97_suspend(chip->ac97); |
2021 | snd_ac97_suspend(chip->ac97_secondary); | |
1da177e4 LT |
2022 | |
2023 | ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); | |
2024 | ulCLK |= CLKCR1_CKRA; | |
2025 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK); | |
2026 | ||
2027 | /* Disable interrupts. */ | |
2028 | snd_cs4281_pokeBA0(chip, BA0_HICR, BA0_HICR_CHGM); | |
2029 | ||
2030 | /* remember the status registers */ | |
2031 | for (i = 0; i < ARRAY_SIZE(saved_regs); i++) | |
2032 | if (saved_regs[i]) | |
2033 | chip->suspend_regs[i] = snd_cs4281_peekBA0(chip, saved_regs[i]); | |
2034 | ||
2035 | /* Turn off the serial ports. */ | |
2036 | snd_cs4281_pokeBA0(chip, BA0_SERMC, 0); | |
2037 | ||
2038 | /* Power off FM, Joystick, AC link, */ | |
2039 | snd_cs4281_pokeBA0(chip, BA0_SSPM, 0); | |
2040 | ||
2041 | /* DLL off. */ | |
2042 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, 0); | |
2043 | ||
2044 | /* AC link off. */ | |
2045 | snd_cs4281_pokeBA0(chip, BA0_SPMC, 0); | |
2046 | ||
2047 | ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); | |
2048 | ulCLK &= ~CLKCR1_CKRA; | |
2049 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK); | |
2050 | ||
38c0a158 TI |
2051 | pci_disable_device(pci); |
2052 | pci_save_state(pci); | |
30b35399 | 2053 | pci_set_power_state(pci, pci_choose_state(pci, state)); |
1da177e4 LT |
2054 | return 0; |
2055 | } | |
2056 | ||
38c0a158 | 2057 | static int cs4281_resume(struct pci_dev *pci) |
1da177e4 | 2058 | { |
38c0a158 TI |
2059 | struct snd_card *card = pci_get_drvdata(pci); |
2060 | struct cs4281 *chip = card->private_data; | |
1da177e4 LT |
2061 | unsigned int i; |
2062 | u32 ulCLK; | |
2063 | ||
30b35399 | 2064 | pci_set_power_state(pci, PCI_D0); |
38c0a158 | 2065 | pci_restore_state(pci); |
30b35399 TI |
2066 | if (pci_enable_device(pci) < 0) { |
2067 | printk(KERN_ERR "cs4281: pci_enable_device failed, " | |
2068 | "disabling device\n"); | |
2069 | snd_card_disconnect(card); | |
2070 | return -EIO; | |
2071 | } | |
38c0a158 | 2072 | pci_set_master(pci); |
1da177e4 LT |
2073 | |
2074 | ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); | |
2075 | ulCLK |= CLKCR1_CKRA; | |
2076 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK); | |
2077 | ||
2078 | snd_cs4281_chip_init(chip); | |
2079 | ||
2080 | /* restore the status registers */ | |
2081 | for (i = 0; i < ARRAY_SIZE(saved_regs); i++) | |
2082 | if (saved_regs[i]) | |
2083 | snd_cs4281_pokeBA0(chip, saved_regs[i], chip->suspend_regs[i]); | |
2084 | ||
38c0a158 TI |
2085 | snd_ac97_resume(chip->ac97); |
2086 | snd_ac97_resume(chip->ac97_secondary); | |
1da177e4 LT |
2087 | |
2088 | ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); | |
2089 | ulCLK &= ~CLKCR1_CKRA; | |
2090 | snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK); | |
2091 | ||
38c0a158 | 2092 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
1da177e4 LT |
2093 | return 0; |
2094 | } | |
2095 | #endif /* CONFIG_PM */ | |
2096 | ||
2097 | static struct pci_driver driver = { | |
2098 | .name = "CS4281", | |
2099 | .id_table = snd_cs4281_ids, | |
2100 | .probe = snd_cs4281_probe, | |
2101 | .remove = __devexit_p(snd_cs4281_remove), | |
38c0a158 TI |
2102 | #ifdef CONFIG_PM |
2103 | .suspend = cs4281_suspend, | |
2104 | .resume = cs4281_resume, | |
2105 | #endif | |
1da177e4 LT |
2106 | }; |
2107 | ||
2108 | static int __init alsa_card_cs4281_init(void) | |
2109 | { | |
01d25d46 | 2110 | return pci_register_driver(&driver); |
1da177e4 LT |
2111 | } |
2112 | ||
2113 | static void __exit alsa_card_cs4281_exit(void) | |
2114 | { | |
2115 | pci_unregister_driver(&driver); | |
2116 | } | |
2117 | ||
2118 | module_init(alsa_card_cs4281_init) | |
2119 | module_exit(alsa_card_cs4281_exit) |