xref: /openbmc/linux/sound/pci/ens1370.c (revision 0545810f)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  Driver for Ensoniq ES1370/ES1371 AudioPCI soundcard
4  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
5  *		     Thomas Sailer <sailer@ife.ee.ethz.ch>
6  */
7 
8 /* Power-Management-Code ( CONFIG_PM )
9  * for ens1371 only ( FIXME )
10  * derived from cs4281.c, atiixp.c and via82xx.c
11  * using https://www.kernel.org/doc/html/latest/sound/kernel-api/writing-an-alsa-driver.html
12  * by Kurt J. Bosch
13  */
14 
15 #include <linux/io.h>
16 #include <linux/delay.h>
17 #include <linux/interrupt.h>
18 #include <linux/init.h>
19 #include <linux/pci.h>
20 #include <linux/slab.h>
21 #include <linux/gameport.h>
22 #include <linux/module.h>
23 #include <linux/mutex.h>
24 
25 #include <sound/core.h>
26 #include <sound/control.h>
27 #include <sound/pcm.h>
28 #include <sound/rawmidi.h>
29 #ifdef CHIP1371
30 #include <sound/ac97_codec.h>
31 #else
32 #include <sound/ak4531_codec.h>
33 #endif
34 #include <sound/initval.h>
35 #include <sound/asoundef.h>
36 
37 #ifndef CHIP1371
38 #undef CHIP1370
39 #define CHIP1370
40 #endif
41 
42 #ifdef CHIP1370
43 #define DRIVER_NAME "ENS1370"
44 #define CHIP_NAME "ES1370" /* it can be ENS but just to keep compatibility... */
45 #else
46 #define DRIVER_NAME "ENS1371"
47 #define CHIP_NAME "ES1371"
48 #endif
49 
50 
51 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Thomas Sailer <sailer@ife.ee.ethz.ch>");
52 MODULE_LICENSE("GPL");
53 #ifdef CHIP1370
54 MODULE_DESCRIPTION("Ensoniq AudioPCI ES1370");
55 #endif
56 #ifdef CHIP1371
57 MODULE_DESCRIPTION("Ensoniq/Creative AudioPCI ES1371+");
58 #endif
59 
60 #if IS_REACHABLE(CONFIG_GAMEPORT)
61 #define SUPPORT_JOYSTICK
62 #endif
63 
64 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
65 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
66 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable switches */
67 #ifdef SUPPORT_JOYSTICK
68 #ifdef CHIP1371
69 static int joystick_port[SNDRV_CARDS];
70 #else
71 static bool joystick[SNDRV_CARDS];
72 #endif
73 #endif
74 #ifdef CHIP1371
75 static int spdif[SNDRV_CARDS];
76 static int lineio[SNDRV_CARDS];
77 #endif
78 
79 module_param_array(index, int, NULL, 0444);
80 MODULE_PARM_DESC(index, "Index value for Ensoniq AudioPCI soundcard.");
81 module_param_array(id, charp, NULL, 0444);
82 MODULE_PARM_DESC(id, "ID string for Ensoniq AudioPCI soundcard.");
83 module_param_array(enable, bool, NULL, 0444);
84 MODULE_PARM_DESC(enable, "Enable Ensoniq AudioPCI soundcard.");
85 #ifdef SUPPORT_JOYSTICK
86 #ifdef CHIP1371
87 module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
88 MODULE_PARM_DESC(joystick_port, "Joystick port address.");
89 #else
90 module_param_array(joystick, bool, NULL, 0444);
91 MODULE_PARM_DESC(joystick, "Enable joystick.");
92 #endif
93 #endif /* SUPPORT_JOYSTICK */
94 #ifdef CHIP1371
95 module_param_array(spdif, int, NULL, 0444);
96 MODULE_PARM_DESC(spdif, "S/PDIF output (-1 = none, 0 = auto, 1 = force).");
97 module_param_array(lineio, int, NULL, 0444);
98 MODULE_PARM_DESC(lineio, "Line In to Rear Out (0 = auto, 1 = force).");
99 #endif
100 
101 /* ES1371 chip ID */
102 /* This is a little confusing because all ES1371 compatible chips have the
103    same DEVICE_ID, the only thing differentiating them is the REV_ID field.
104    This is only significant if you want to enable features on the later parts.
105    Yes, I know it's stupid and why didn't we use the sub IDs?
106 */
107 #define ES1371REV_ES1373_A  0x04
108 #define ES1371REV_ES1373_B  0x06
109 #define ES1371REV_CT5880_A  0x07
110 #define CT5880REV_CT5880_C  0x02
111 #define CT5880REV_CT5880_D  0x03	/* ??? -jk */
112 #define CT5880REV_CT5880_E  0x04	/* mw */
113 #define ES1371REV_ES1371_B  0x09
114 #define EV1938REV_EV1938_A  0x00
115 #define ES1371REV_ES1373_8  0x08
116 
117 /*
118  * Direct registers
119  */
120 
121 #define ES_REG(ensoniq, x) ((ensoniq)->port + ES_REG_##x)
122 
123 #define ES_REG_CONTROL	0x00	/* R/W: Interrupt/Chip select control register */
124 #define   ES_1370_ADC_STOP	(1<<31)		/* disable capture buffer transfers */
125 #define   ES_1370_XCTL1 	(1<<30)		/* general purpose output bit */
126 #define   ES_1373_BYPASS_P1	(1<<31)		/* bypass SRC for PB1 */
127 #define   ES_1373_BYPASS_P2	(1<<30)		/* bypass SRC for PB2 */
128 #define   ES_1373_BYPASS_R	(1<<29)		/* bypass SRC for REC */
129 #define   ES_1373_TEST_BIT	(1<<28)		/* should be set to 0 for normal operation */
130 #define   ES_1373_RECEN_B	(1<<27)		/* mix record with playback for I2S/SPDIF out */
131 #define   ES_1373_SPDIF_THRU	(1<<26)		/* 0 = SPDIF thru mode, 1 = SPDIF == dig out */
132 #define   ES_1371_JOY_ASEL(o)	(((o)&0x03)<<24)/* joystick port mapping */
133 #define   ES_1371_JOY_ASELM	(0x03<<24)	/* mask for above */
134 #define   ES_1371_JOY_ASELI(i)  (((i)>>24)&0x03)
135 #define   ES_1371_GPIO_IN(i)	(((i)>>20)&0x0f)/* GPIO in [3:0] pins - R/O */
136 #define   ES_1370_PCLKDIVO(o)	(((o)&0x1fff)<<16)/* clock divide ratio for DAC2 */
137 #define   ES_1370_PCLKDIVM	((0x1fff)<<16)	/* mask for above */
138 #define   ES_1370_PCLKDIVI(i)	(((i)>>16)&0x1fff)/* clock divide ratio for DAC2 */
139 #define   ES_1371_GPIO_OUT(o)	(((o)&0x0f)<<16)/* GPIO out [3:0] pins - W/R */
140 #define   ES_1371_GPIO_OUTM     (0x0f<<16)	/* mask for above */
141 #define   ES_MSFMTSEL		(1<<15)		/* MPEG serial data format; 0 = SONY, 1 = I2S */
142 #define   ES_1370_M_SBB		(1<<14)		/* clock source for DAC - 0 = clock generator; 1 = MPEG clocks */
143 #define   ES_1371_SYNC_RES	(1<<14)		/* Warm AC97 reset */
144 #define   ES_1370_WTSRSEL(o)	(((o)&0x03)<<12)/* fixed frequency clock for DAC1 */
145 #define   ES_1370_WTSRSELM	(0x03<<12)	/* mask for above */
146 #define   ES_1371_ADC_STOP	(1<<13)		/* disable CCB transfer capture information */
147 #define   ES_1371_PWR_INTRM	(1<<12)		/* power level change interrupts enable */
148 #define   ES_1370_DAC_SYNC	(1<<11)		/* DAC's are synchronous */
149 #define   ES_1371_M_CB		(1<<11)		/* capture clock source; 0 = AC'97 ADC; 1 = I2S */
150 #define   ES_CCB_INTRM		(1<<10)		/* CCB voice interrupts enable */
151 #define   ES_1370_M_CB		(1<<9)		/* capture clock source; 0 = ADC; 1 = MPEG */
152 #define   ES_1370_XCTL0		(1<<8)		/* generap purpose output bit */
153 #define   ES_1371_PDLEV(o)	(((o)&0x03)<<8)	/* current power down level */
154 #define   ES_1371_PDLEVM	(0x03<<8)	/* mask for above */
155 #define   ES_BREQ		(1<<7)		/* memory bus request enable */
156 #define   ES_DAC1_EN		(1<<6)		/* DAC1 playback channel enable */
157 #define   ES_DAC2_EN		(1<<5)		/* DAC2 playback channel enable */
158 #define   ES_ADC_EN		(1<<4)		/* ADC capture channel enable */
159 #define   ES_UART_EN		(1<<3)		/* UART enable */
160 #define   ES_JYSTK_EN		(1<<2)		/* Joystick module enable */
161 #define   ES_1370_CDC_EN	(1<<1)		/* Codec interface enable */
162 #define   ES_1371_XTALCKDIS	(1<<1)		/* Xtal clock disable */
163 #define   ES_1370_SERR_DISABLE	(1<<0)		/* PCI serr signal disable */
164 #define   ES_1371_PCICLKDIS     (1<<0)		/* PCI clock disable */
165 #define ES_REG_STATUS	0x04	/* R/O: Interrupt/Chip select status register */
166 #define   ES_INTR               (1<<31)		/* Interrupt is pending */
167 #define   ES_1371_ST_AC97_RST	(1<<29)		/* CT5880 AC'97 Reset bit */
168 #define   ES_1373_REAR_BIT27	(1<<27)		/* rear bits: 000 - front, 010 - mirror, 101 - separate */
169 #define   ES_1373_REAR_BIT26	(1<<26)
170 #define   ES_1373_REAR_BIT24	(1<<24)
171 #define   ES_1373_GPIO_INT_EN(o)(((o)&0x0f)<<20)/* GPIO [3:0] pins - interrupt enable */
172 #define   ES_1373_SPDIF_EN	(1<<18)		/* SPDIF enable */
173 #define   ES_1373_SPDIF_TEST	(1<<17)		/* SPDIF test */
174 #define   ES_1371_TEST          (1<<16)		/* test ASIC */
175 #define   ES_1373_GPIO_INT(i)	(((i)&0x0f)>>12)/* GPIO [3:0] pins - interrupt pending */
176 #define   ES_1370_CSTAT		(1<<10)		/* CODEC is busy or register write in progress */
177 #define   ES_1370_CBUSY         (1<<9)		/* CODEC is busy */
178 #define   ES_1370_CWRIP		(1<<8)		/* CODEC register write in progress */
179 #define   ES_1371_SYNC_ERR	(1<<8)		/* CODEC synchronization error occurred */
180 #define   ES_1371_VC(i)         (((i)>>6)&0x03)	/* voice code from CCB module */
181 #define   ES_1370_VC(i)		(((i)>>5)&0x03)	/* voice code from CCB module */
182 #define   ES_1371_MPWR          (1<<5)		/* power level interrupt pending */
183 #define   ES_MCCB		(1<<4)		/* CCB interrupt pending */
184 #define   ES_UART		(1<<3)		/* UART interrupt pending */
185 #define   ES_DAC1		(1<<2)		/* DAC1 channel interrupt pending */
186 #define   ES_DAC2		(1<<1)		/* DAC2 channel interrupt pending */
187 #define   ES_ADC		(1<<0)		/* ADC channel interrupt pending */
188 #define ES_REG_UART_DATA 0x08	/* R/W: UART data register */
189 #define ES_REG_UART_STATUS 0x09	/* R/O: UART status register */
190 #define   ES_RXINT		(1<<7)		/* RX interrupt occurred */
191 #define   ES_TXINT		(1<<2)		/* TX interrupt occurred */
192 #define   ES_TXRDY		(1<<1)		/* transmitter ready */
193 #define   ES_RXRDY		(1<<0)		/* receiver ready */
194 #define ES_REG_UART_CONTROL 0x09	/* W/O: UART control register */
195 #define   ES_RXINTEN		(1<<7)		/* RX interrupt enable */
196 #define   ES_TXINTENO(o)	(((o)&0x03)<<5)	/* TX interrupt enable */
197 #define   ES_TXINTENM		(0x03<<5)	/* mask for above */
198 #define   ES_TXINTENI(i)	(((i)>>5)&0x03)
199 #define   ES_CNTRL(o)		(((o)&0x03)<<0)	/* control */
200 #define   ES_CNTRLM		(0x03<<0)	/* mask for above */
201 #define ES_REG_UART_RES	0x0a	/* R/W: UART reserver register */
202 #define   ES_TEST_MODE		(1<<0)		/* test mode enabled */
203 #define ES_REG_MEM_PAGE	0x0c	/* R/W: Memory page register */
204 #define   ES_MEM_PAGEO(o)	(((o)&0x0f)<<0)	/* memory page select - out */
205 #define   ES_MEM_PAGEM		(0x0f<<0)	/* mask for above */
206 #define   ES_MEM_PAGEI(i)	(((i)>>0)&0x0f) /* memory page select - in */
207 #define ES_REG_1370_CODEC 0x10	/* W/O: Codec write register address */
208 #define   ES_1370_CODEC_WRITE(a,d) ((((a)&0xff)<<8)|(((d)&0xff)<<0))
209 #define ES_REG_1371_CODEC 0x14	/* W/R: Codec Read/Write register address */
210 #define   ES_1371_CODEC_RDY	   (1<<31)	/* codec ready */
211 #define   ES_1371_CODEC_WIP	   (1<<30)	/* codec register access in progress */
212 #define   EV_1938_CODEC_MAGIC	   (1<<26)
213 #define   ES_1371_CODEC_PIRD	   (1<<23)	/* codec read/write select register */
214 #define   ES_1371_CODEC_WRITE(a,d) ((((a)&0x7f)<<16)|(((d)&0xffff)<<0))
215 #define   ES_1371_CODEC_READS(a)   ((((a)&0x7f)<<16)|ES_1371_CODEC_PIRD)
216 #define   ES_1371_CODEC_READ(i)    (((i)>>0)&0xffff)
217 
218 #define ES_REG_1371_SMPRATE 0x10	/* W/R: Codec rate converter interface register */
219 #define   ES_1371_SRC_RAM_ADDRO(o) (((o)&0x7f)<<25)/* address of the sample rate converter */
220 #define   ES_1371_SRC_RAM_ADDRM	   (0x7f<<25)	/* mask for above */
221 #define   ES_1371_SRC_RAM_ADDRI(i) (((i)>>25)&0x7f)/* address of the sample rate converter */
222 #define   ES_1371_SRC_RAM_WE	   (1<<24)	/* R/W: read/write control for sample rate converter */
223 #define   ES_1371_SRC_RAM_BUSY     (1<<23)	/* R/O: sample rate memory is busy */
224 #define   ES_1371_SRC_DISABLE      (1<<22)	/* sample rate converter disable */
225 #define   ES_1371_DIS_P1	   (1<<21)	/* playback channel 1 accumulator update disable */
226 #define   ES_1371_DIS_P2	   (1<<20)	/* playback channel 1 accumulator update disable */
227 #define   ES_1371_DIS_R1	   (1<<19)	/* capture channel accumulator update disable */
228 #define   ES_1371_SRC_RAM_DATAO(o) (((o)&0xffff)<<0)/* current value of the sample rate converter */
229 #define   ES_1371_SRC_RAM_DATAM	   (0xffff<<0)	/* mask for above */
230 #define   ES_1371_SRC_RAM_DATAI(i) (((i)>>0)&0xffff)/* current value of the sample rate converter */
231 
232 #define ES_REG_1371_LEGACY 0x18	/* W/R: Legacy control/status register */
233 #define   ES_1371_JFAST		(1<<31)		/* fast joystick timing */
234 #define   ES_1371_HIB		(1<<30)		/* host interrupt blocking enable */
235 #define   ES_1371_VSB		(1<<29)		/* SB; 0 = addr 0x220xH, 1 = 0x22FxH */
236 #define   ES_1371_VMPUO(o)	(((o)&0x03)<<27)/* base register address; 0 = 0x320xH; 1 = 0x330xH; 2 = 0x340xH; 3 = 0x350xH */
237 #define   ES_1371_VMPUM		(0x03<<27)	/* mask for above */
238 #define   ES_1371_VMPUI(i)	(((i)>>27)&0x03)/* base register address */
239 #define   ES_1371_VCDCO(o)	(((o)&0x03)<<25)/* CODEC; 0 = 0x530xH; 1 = undefined; 2 = 0xe80xH; 3 = 0xF40xH */
240 #define   ES_1371_VCDCM		(0x03<<25)	/* mask for above */
241 #define   ES_1371_VCDCI(i)	(((i)>>25)&0x03)/* CODEC address */
242 #define   ES_1371_FIRQ		(1<<24)		/* force an interrupt */
243 #define   ES_1371_SDMACAP	(1<<23)		/* enable event capture for slave DMA controller */
244 #define   ES_1371_SPICAP	(1<<22)		/* enable event capture for slave IRQ controller */
245 #define   ES_1371_MDMACAP	(1<<21)		/* enable event capture for master DMA controller */
246 #define   ES_1371_MPICAP	(1<<20)		/* enable event capture for master IRQ controller */
247 #define   ES_1371_ADCAP		(1<<19)		/* enable event capture for ADLIB register; 0x388xH */
248 #define   ES_1371_SVCAP		(1<<18)		/* enable event capture for SB registers */
249 #define   ES_1371_CDCCAP	(1<<17)		/* enable event capture for CODEC registers */
250 #define   ES_1371_BACAP		(1<<16)		/* enable event capture for SoundScape base address */
251 #define   ES_1371_EXI(i)	(((i)>>8)&0x07)	/* event number */
252 #define   ES_1371_AI(i)		(((i)>>3)&0x1f)	/* event significant I/O address */
253 #define   ES_1371_WR		(1<<2)	/* event capture; 0 = read; 1 = write */
254 #define   ES_1371_LEGINT	(1<<0)	/* interrupt for legacy events; 0 = interrupt did occur */
255 
256 #define ES_REG_CHANNEL_STATUS 0x1c /* R/W: first 32-bits from S/PDIF channel status block, es1373 */
257 
258 #define ES_REG_SERIAL	0x20	/* R/W: Serial interface control register */
259 #define   ES_1371_DAC_TEST	(1<<22)		/* DAC test mode enable */
260 #define   ES_P2_END_INCO(o)	(((o)&0x07)<<19)/* binary offset value to increment / loop end */
261 #define   ES_P2_END_INCM	(0x07<<19)	/* mask for above */
262 #define   ES_P2_END_INCI(i)	(((i)>>16)&0x07)/* binary offset value to increment / loop end */
263 #define   ES_P2_ST_INCO(o)	(((o)&0x07)<<16)/* binary offset value to increment / start */
264 #define   ES_P2_ST_INCM		(0x07<<16)	/* mask for above */
265 #define   ES_P2_ST_INCI(i)	(((i)<<16)&0x07)/* binary offset value to increment / start */
266 #define   ES_R1_LOOP_SEL	(1<<15)		/* ADC; 0 - loop mode; 1 = stop mode */
267 #define   ES_P2_LOOP_SEL	(1<<14)		/* DAC2; 0 - loop mode; 1 = stop mode */
268 #define   ES_P1_LOOP_SEL	(1<<13)		/* DAC1; 0 - loop mode; 1 = stop mode */
269 #define   ES_P2_PAUSE		(1<<12)		/* DAC2; 0 - play mode; 1 = pause mode */
270 #define   ES_P1_PAUSE		(1<<11)		/* DAC1; 0 - play mode; 1 = pause mode */
271 #define   ES_R1_INT_EN		(1<<10)		/* ADC interrupt enable */
272 #define   ES_P2_INT_EN		(1<<9)		/* DAC2 interrupt enable */
273 #define   ES_P1_INT_EN		(1<<8)		/* DAC1 interrupt enable */
274 #define   ES_P1_SCT_RLD		(1<<7)		/* force sample counter reload for DAC1 */
275 #define   ES_P2_DAC_SEN		(1<<6)		/* when stop mode: 0 - DAC2 play back zeros; 1 = DAC2 play back last sample */
276 #define   ES_R1_MODEO(o)	(((o)&0x03)<<4)	/* ADC mode; 0 = 8-bit mono; 1 = 8-bit stereo; 2 = 16-bit mono; 3 = 16-bit stereo */
277 #define   ES_R1_MODEM		(0x03<<4)	/* mask for above */
278 #define   ES_R1_MODEI(i)	(((i)>>4)&0x03)
279 #define   ES_P2_MODEO(o)	(((o)&0x03)<<2)	/* DAC2 mode; -- '' -- */
280 #define   ES_P2_MODEM		(0x03<<2)	/* mask for above */
281 #define   ES_P2_MODEI(i)	(((i)>>2)&0x03)
282 #define   ES_P1_MODEO(o)	(((o)&0x03)<<0)	/* DAC1 mode; -- '' -- */
283 #define   ES_P1_MODEM		(0x03<<0)	/* mask for above */
284 #define   ES_P1_MODEI(i)	(((i)>>0)&0x03)
285 
286 #define ES_REG_DAC1_COUNT 0x24	/* R/W: DAC1 sample count register */
287 #define ES_REG_DAC2_COUNT 0x28	/* R/W: DAC2 sample count register */
288 #define ES_REG_ADC_COUNT  0x2c	/* R/W: ADC sample count register */
289 #define   ES_REG_CURR_COUNT(i)  (((i)>>16)&0xffff)
290 #define   ES_REG_COUNTO(o)	(((o)&0xffff)<<0)
291 #define   ES_REG_COUNTM		(0xffff<<0)
292 #define   ES_REG_COUNTI(i)	(((i)>>0)&0xffff)
293 
294 #define ES_REG_DAC1_FRAME 0x30	/* R/W: PAGE 0x0c; DAC1 frame address */
295 #define ES_REG_DAC1_SIZE  0x34	/* R/W: PAGE 0x0c; DAC1 frame size */
296 #define ES_REG_DAC2_FRAME 0x38	/* R/W: PAGE 0x0c; DAC2 frame address */
297 #define ES_REG_DAC2_SIZE  0x3c	/* R/W: PAGE 0x0c; DAC2 frame size */
298 #define ES_REG_ADC_FRAME  0x30	/* R/W: PAGE 0x0d; ADC frame address */
299 #define ES_REG_ADC_SIZE	  0x34	/* R/W: PAGE 0x0d; ADC frame size */
300 #define   ES_REG_FCURR_COUNTO(o) (((o)&0xffff)<<16)
301 #define   ES_REG_FCURR_COUNTM    (0xffff<<16)
302 #define   ES_REG_FCURR_COUNTI(i) (((i)>>14)&0x3fffc)
303 #define   ES_REG_FSIZEO(o)	 (((o)&0xffff)<<0)
304 #define   ES_REG_FSIZEM		 (0xffff<<0)
305 #define   ES_REG_FSIZEI(i)	 (((i)>>0)&0xffff)
306 #define ES_REG_PHANTOM_FRAME 0x38 /* R/W: PAGE 0x0d: phantom frame address */
307 #define ES_REG_PHANTOM_COUNT 0x3c /* R/W: PAGE 0x0d: phantom frame count */
308 
309 #define ES_REG_UART_FIFO  0x30	/* R/W: PAGE 0x0e; UART FIFO register */
310 #define   ES_REG_UF_VALID	 (1<<8)
311 #define   ES_REG_UF_BYTEO(o)	 (((o)&0xff)<<0)
312 #define   ES_REG_UF_BYTEM	 (0xff<<0)
313 #define   ES_REG_UF_BYTEI(i)	 (((i)>>0)&0xff)
314 
315 
316 /*
317  *  Pages
318  */
319 
320 #define ES_PAGE_DAC	0x0c
321 #define ES_PAGE_ADC	0x0d
322 #define ES_PAGE_UART	0x0e
323 #define ES_PAGE_UART1	0x0f
324 
325 /*
326  *  Sample rate converter addresses
327  */
328 
329 #define ES_SMPREG_DAC1		0x70
330 #define ES_SMPREG_DAC2		0x74
331 #define ES_SMPREG_ADC		0x78
332 #define ES_SMPREG_VOL_ADC	0x6c
333 #define ES_SMPREG_VOL_DAC1	0x7c
334 #define ES_SMPREG_VOL_DAC2	0x7e
335 #define ES_SMPREG_TRUNC_N	0x00
336 #define ES_SMPREG_INT_REGS	0x01
337 #define ES_SMPREG_ACCUM_FRAC	0x02
338 #define ES_SMPREG_VFREQ_FRAC	0x03
339 
340 /*
341  *  Some contants
342  */
343 
344 #define ES_1370_SRCLOCK	   1411200
345 #define ES_1370_SRTODIV(x) (ES_1370_SRCLOCK/(x)-2)
346 
347 /*
348  *  Open modes
349  */
350 
351 #define ES_MODE_PLAY1	0x0001
352 #define ES_MODE_PLAY2	0x0002
353 #define ES_MODE_CAPTURE	0x0004
354 
355 #define ES_MODE_OUTPUT	0x0001	/* for MIDI */
356 #define ES_MODE_INPUT	0x0002	/* for MIDI */
357 
358 /*
359 
360  */
361 
362 struct ensoniq {
363 	spinlock_t reg_lock;
364 	struct mutex src_mutex;
365 
366 	int irq;
367 
368 	unsigned long playback1size;
369 	unsigned long playback2size;
370 	unsigned long capture3size;
371 
372 	unsigned long port;
373 	unsigned int mode;
374 	unsigned int uartm;	/* UART mode */
375 
376 	unsigned int ctrl;	/* control register */
377 	unsigned int sctrl;	/* serial control register */
378 	unsigned int cssr;	/* control status register */
379 	unsigned int uartc;	/* uart control register */
380 	unsigned int rev;	/* chip revision */
381 
382 	union {
383 #ifdef CHIP1371
384 		struct {
385 			struct snd_ac97 *ac97;
386 		} es1371;
387 #else
388 		struct {
389 			int pclkdiv_lock;
390 			struct snd_ak4531 *ak4531;
391 		} es1370;
392 #endif
393 	} u;
394 
395 	struct pci_dev *pci;
396 	struct snd_card *card;
397 	struct snd_pcm *pcm1;	/* DAC1/ADC PCM */
398 	struct snd_pcm *pcm2;	/* DAC2 PCM */
399 	struct snd_pcm_substream *playback1_substream;
400 	struct snd_pcm_substream *playback2_substream;
401 	struct snd_pcm_substream *capture_substream;
402 	unsigned int p1_dma_size;
403 	unsigned int p2_dma_size;
404 	unsigned int c_dma_size;
405 	unsigned int p1_period_size;
406 	unsigned int p2_period_size;
407 	unsigned int c_period_size;
408 	struct snd_rawmidi *rmidi;
409 	struct snd_rawmidi_substream *midi_input;
410 	struct snd_rawmidi_substream *midi_output;
411 
412 	unsigned int spdif;
413 	unsigned int spdif_default;
414 	unsigned int spdif_stream;
415 
416 #ifdef CHIP1370
417 	struct snd_dma_buffer *dma_bug;
418 #endif
419 
420 #ifdef SUPPORT_JOYSTICK
421 	struct gameport *gameport;
422 #endif
423 };
424 
425 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id);
426 
427 static const struct pci_device_id snd_audiopci_ids[] = {
428 #ifdef CHIP1370
429 	{ PCI_VDEVICE(ENSONIQ, 0x5000), 0, },	/* ES1370 */
430 #endif
431 #ifdef CHIP1371
432 	{ PCI_VDEVICE(ENSONIQ, 0x1371), 0, },	/* ES1371 */
433 	{ PCI_VDEVICE(ENSONIQ, 0x5880), 0, },	/* ES1373 - CT5880 */
434 	{ PCI_VDEVICE(ECTIVA, 0x8938), 0, },	/* Ectiva EV1938 */
435 #endif
436 	{ 0, }
437 };
438 
439 MODULE_DEVICE_TABLE(pci, snd_audiopci_ids);
440 
441 /*
442  *  constants
443  */
444 
445 #define POLL_COUNT	0xa000
446 
447 #ifdef CHIP1370
448 static const unsigned int snd_es1370_fixed_rates[] =
449 	{5512, 11025, 22050, 44100};
450 static const struct snd_pcm_hw_constraint_list snd_es1370_hw_constraints_rates = {
451 	.count = 4,
452 	.list = snd_es1370_fixed_rates,
453 	.mask = 0,
454 };
455 static const struct snd_ratnum es1370_clock = {
456 	.num = ES_1370_SRCLOCK,
457 	.den_min = 29,
458 	.den_max = 353,
459 	.den_step = 1,
460 };
461 static const struct snd_pcm_hw_constraint_ratnums snd_es1370_hw_constraints_clock = {
462 	.nrats = 1,
463 	.rats = &es1370_clock,
464 };
465 #else
466 static const struct snd_ratden es1371_dac_clock = {
467 	.num_min = 3000 * (1 << 15),
468 	.num_max = 48000 * (1 << 15),
469 	.num_step = 3000,
470 	.den = 1 << 15,
471 };
472 static const struct snd_pcm_hw_constraint_ratdens snd_es1371_hw_constraints_dac_clock = {
473 	.nrats = 1,
474 	.rats = &es1371_dac_clock,
475 };
476 static const struct snd_ratnum es1371_adc_clock = {
477 	.num = 48000 << 15,
478 	.den_min = 32768,
479 	.den_max = 393216,
480 	.den_step = 1,
481 };
482 static const struct snd_pcm_hw_constraint_ratnums snd_es1371_hw_constraints_adc_clock = {
483 	.nrats = 1,
484 	.rats = &es1371_adc_clock,
485 };
486 #endif
487 static const unsigned int snd_ensoniq_sample_shift[] =
488 	{0, 1, 1, 2};
489 
490 /*
491  *  common I/O routines
492  */
493 
494 #ifdef CHIP1371
495 
496 static unsigned int snd_es1371_wait_src_ready(struct ensoniq * ensoniq)
497 {
498 	unsigned int t, r = 0;
499 
500 	for (t = 0; t < POLL_COUNT; t++) {
501 		r = inl(ES_REG(ensoniq, 1371_SMPRATE));
502 		if ((r & ES_1371_SRC_RAM_BUSY) == 0)
503 			return r;
504 		cond_resched();
505 	}
506 	dev_err(ensoniq->card->dev, "wait src ready timeout 0x%lx [0x%x]\n",
507 		   ES_REG(ensoniq, 1371_SMPRATE), r);
508 	return 0;
509 }
510 
511 static unsigned int snd_es1371_src_read(struct ensoniq * ensoniq, unsigned short reg)
512 {
513 	unsigned int temp, i, orig, r;
514 
515 	/* wait for ready */
516 	temp = orig = snd_es1371_wait_src_ready(ensoniq);
517 
518 	/* expose the SRC state bits */
519 	r = temp & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
520 		    ES_1371_DIS_P2 | ES_1371_DIS_R1);
521 	r |= ES_1371_SRC_RAM_ADDRO(reg) | 0x10000;
522 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
523 
524 	/* now, wait for busy and the correct time to read */
525 	temp = snd_es1371_wait_src_ready(ensoniq);
526 
527 	if ((temp & 0x00870000) != 0x00010000) {
528 		/* wait for the right state */
529 		for (i = 0; i < POLL_COUNT; i++) {
530 			temp = inl(ES_REG(ensoniq, 1371_SMPRATE));
531 			if ((temp & 0x00870000) == 0x00010000)
532 				break;
533 		}
534 	}
535 
536 	/* hide the state bits */
537 	r = orig & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
538 		   ES_1371_DIS_P2 | ES_1371_DIS_R1);
539 	r |= ES_1371_SRC_RAM_ADDRO(reg);
540 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
541 
542 	return temp;
543 }
544 
545 static void snd_es1371_src_write(struct ensoniq * ensoniq,
546 				 unsigned short reg, unsigned short data)
547 {
548 	unsigned int r;
549 
550 	r = snd_es1371_wait_src_ready(ensoniq) &
551 	    (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
552 	     ES_1371_DIS_P2 | ES_1371_DIS_R1);
553 	r |= ES_1371_SRC_RAM_ADDRO(reg) | ES_1371_SRC_RAM_DATAO(data);
554 	outl(r | ES_1371_SRC_RAM_WE, ES_REG(ensoniq, 1371_SMPRATE));
555 }
556 
557 #endif /* CHIP1371 */
558 
559 #ifdef CHIP1370
560 
561 static void snd_es1370_codec_write(struct snd_ak4531 *ak4531,
562 				   unsigned short reg, unsigned short val)
563 {
564 	struct ensoniq *ensoniq = ak4531->private_data;
565 	unsigned long end_time = jiffies + HZ / 10;
566 
567 #if 0
568 	dev_dbg(ensoniq->card->dev,
569 	       "CODEC WRITE: reg = 0x%x, val = 0x%x (0x%x), creg = 0x%x\n",
570 	       reg, val, ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
571 #endif
572 	do {
573 		if (!(inl(ES_REG(ensoniq, STATUS)) & ES_1370_CSTAT)) {
574 			outw(ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
575 			return;
576 		}
577 		schedule_timeout_uninterruptible(1);
578 	} while (time_after(end_time, jiffies));
579 	dev_err(ensoniq->card->dev, "codec write timeout, status = 0x%x\n",
580 		   inl(ES_REG(ensoniq, STATUS)));
581 }
582 
583 #endif /* CHIP1370 */
584 
585 #ifdef CHIP1371
586 
587 static inline bool is_ev1938(struct ensoniq *ensoniq)
588 {
589 	return ensoniq->pci->device == 0x8938;
590 }
591 
592 static void snd_es1371_codec_write(struct snd_ac97 *ac97,
593 				   unsigned short reg, unsigned short val)
594 {
595 	struct ensoniq *ensoniq = ac97->private_data;
596 	unsigned int t, x, flag;
597 
598 	flag = is_ev1938(ensoniq) ? EV_1938_CODEC_MAGIC : 0;
599 	mutex_lock(&ensoniq->src_mutex);
600 	for (t = 0; t < POLL_COUNT; t++) {
601 		if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
602 			/* save the current state for latter */
603 			x = snd_es1371_wait_src_ready(ensoniq);
604 			outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
605 			           ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
606 			     ES_REG(ensoniq, 1371_SMPRATE));
607 			/* wait for not busy (state 0) first to avoid
608 			   transition states */
609 			for (t = 0; t < POLL_COUNT; t++) {
610 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
611 				    0x00000000)
612 					break;
613 			}
614 			/* wait for a SAFE time to write addr/data and then do it, dammit */
615 			for (t = 0; t < POLL_COUNT; t++) {
616 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
617 				    0x00010000)
618 					break;
619 			}
620 			outl(ES_1371_CODEC_WRITE(reg, val) | flag,
621 			     ES_REG(ensoniq, 1371_CODEC));
622 			/* restore SRC reg */
623 			snd_es1371_wait_src_ready(ensoniq);
624 			outl(x, ES_REG(ensoniq, 1371_SMPRATE));
625 			mutex_unlock(&ensoniq->src_mutex);
626 			return;
627 		}
628 	}
629 	mutex_unlock(&ensoniq->src_mutex);
630 	dev_err(ensoniq->card->dev, "codec write timeout at 0x%lx [0x%x]\n",
631 		   ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
632 }
633 
634 static unsigned short snd_es1371_codec_read(struct snd_ac97 *ac97,
635 					    unsigned short reg)
636 {
637 	struct ensoniq *ensoniq = ac97->private_data;
638 	unsigned int t, x, flag, fail = 0;
639 
640 	flag = is_ev1938(ensoniq) ? EV_1938_CODEC_MAGIC : 0;
641       __again:
642 	mutex_lock(&ensoniq->src_mutex);
643 	for (t = 0; t < POLL_COUNT; t++) {
644 		if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
645 			/* save the current state for latter */
646 			x = snd_es1371_wait_src_ready(ensoniq);
647 			outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
648 			           ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
649 			     ES_REG(ensoniq, 1371_SMPRATE));
650 			/* wait for not busy (state 0) first to avoid
651 			   transition states */
652 			for (t = 0; t < POLL_COUNT; t++) {
653 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
654 				    0x00000000)
655 					break;
656 			}
657 			/* wait for a SAFE time to write addr/data and then do it, dammit */
658 			for (t = 0; t < POLL_COUNT; t++) {
659 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
660 				    0x00010000)
661 					break;
662 			}
663 			outl(ES_1371_CODEC_READS(reg) | flag,
664 			     ES_REG(ensoniq, 1371_CODEC));
665 			/* restore SRC reg */
666 			snd_es1371_wait_src_ready(ensoniq);
667 			outl(x, ES_REG(ensoniq, 1371_SMPRATE));
668 			/* wait for WIP again */
669 			for (t = 0; t < POLL_COUNT; t++) {
670 				if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP))
671 					break;
672 			}
673 			/* now wait for the stinkin' data (RDY) */
674 			for (t = 0; t < POLL_COUNT; t++) {
675 				x = inl(ES_REG(ensoniq, 1371_CODEC));
676 				if (x & ES_1371_CODEC_RDY) {
677 					if (is_ev1938(ensoniq)) {
678 						for (t = 0; t < 100; t++)
679 							inl(ES_REG(ensoniq, CONTROL));
680 						x = inl(ES_REG(ensoniq, 1371_CODEC));
681 					}
682 					mutex_unlock(&ensoniq->src_mutex);
683 					return ES_1371_CODEC_READ(x);
684 				}
685 			}
686 			mutex_unlock(&ensoniq->src_mutex);
687 			if (++fail > 10) {
688 				dev_err(ensoniq->card->dev,
689 					"codec read timeout (final) at 0x%lx, reg = 0x%x [0x%x]\n",
690 					   ES_REG(ensoniq, 1371_CODEC), reg,
691 					   inl(ES_REG(ensoniq, 1371_CODEC)));
692 				return 0;
693 			}
694 			goto __again;
695 		}
696 	}
697 	mutex_unlock(&ensoniq->src_mutex);
698 	dev_err(ensoniq->card->dev, "codec read timeout at 0x%lx [0x%x]\n",
699 		   ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
700 	return 0;
701 }
702 
703 static void snd_es1371_codec_wait(struct snd_ac97 *ac97)
704 {
705 	msleep(750);
706 	snd_es1371_codec_read(ac97, AC97_RESET);
707 	snd_es1371_codec_read(ac97, AC97_VENDOR_ID1);
708 	snd_es1371_codec_read(ac97, AC97_VENDOR_ID2);
709 	msleep(50);
710 }
711 
712 static void snd_es1371_adc_rate(struct ensoniq * ensoniq, unsigned int rate)
713 {
714 	unsigned int n, truncm, freq;
715 
716 	mutex_lock(&ensoniq->src_mutex);
717 	n = rate / 3000;
718 	if ((1 << n) & ((1 << 15) | (1 << 13) | (1 << 11) | (1 << 9)))
719 		n--;
720 	truncm = (21 * n - 1) | 1;
721 	freq = ((48000UL << 15) / rate) * n;
722 	if (rate >= 24000) {
723 		if (truncm > 239)
724 			truncm = 239;
725 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
726 				(((239 - truncm) >> 1) << 9) | (n << 4));
727 	} else {
728 		if (truncm > 119)
729 			truncm = 119;
730 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
731 				0x8000 | (((119 - truncm) >> 1) << 9) | (n << 4));
732 	}
733 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_INT_REGS,
734 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_ADC +
735 						  ES_SMPREG_INT_REGS) & 0x00ff) |
736 			     ((freq >> 5) & 0xfc00));
737 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
738 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, n << 8);
739 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, n << 8);
740 	mutex_unlock(&ensoniq->src_mutex);
741 }
742 
743 static void snd_es1371_dac1_rate(struct ensoniq * ensoniq, unsigned int rate)
744 {
745 	unsigned int freq, r;
746 
747 	mutex_lock(&ensoniq->src_mutex);
748 	freq = DIV_ROUND_CLOSEST(rate << 15, 3000);
749 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
750 						   ES_1371_DIS_P2 | ES_1371_DIS_R1)) |
751 		ES_1371_DIS_P1;
752 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
753 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS,
754 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC1 +
755 						  ES_SMPREG_INT_REGS) & 0x00ff) |
756 			     ((freq >> 5) & 0xfc00));
757 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
758 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
759 						   ES_1371_DIS_P2 | ES_1371_DIS_R1));
760 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
761 	mutex_unlock(&ensoniq->src_mutex);
762 }
763 
764 static void snd_es1371_dac2_rate(struct ensoniq * ensoniq, unsigned int rate)
765 {
766 	unsigned int freq, r;
767 
768 	mutex_lock(&ensoniq->src_mutex);
769 	freq = DIV_ROUND_CLOSEST(rate << 15, 3000);
770 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
771 						   ES_1371_DIS_P1 | ES_1371_DIS_R1)) |
772 		ES_1371_DIS_P2;
773 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
774 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS,
775 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC2 +
776 						  ES_SMPREG_INT_REGS) & 0x00ff) |
777 			     ((freq >> 5) & 0xfc00));
778 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_VFREQ_FRAC,
779 			     freq & 0x7fff);
780 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
781 						   ES_1371_DIS_P1 | ES_1371_DIS_R1));
782 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
783 	mutex_unlock(&ensoniq->src_mutex);
784 }
785 
786 #endif /* CHIP1371 */
787 
788 static int snd_ensoniq_trigger(struct snd_pcm_substream *substream, int cmd)
789 {
790 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
791 	switch (cmd) {
792 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
793 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
794 	{
795 		unsigned int what = 0;
796 		struct snd_pcm_substream *s;
797 		snd_pcm_group_for_each_entry(s, substream) {
798 			if (s == ensoniq->playback1_substream) {
799 				what |= ES_P1_PAUSE;
800 				snd_pcm_trigger_done(s, substream);
801 			} else if (s == ensoniq->playback2_substream) {
802 				what |= ES_P2_PAUSE;
803 				snd_pcm_trigger_done(s, substream);
804 			} else if (s == ensoniq->capture_substream)
805 				return -EINVAL;
806 		}
807 		spin_lock(&ensoniq->reg_lock);
808 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
809 			ensoniq->sctrl |= what;
810 		else
811 			ensoniq->sctrl &= ~what;
812 		outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
813 		spin_unlock(&ensoniq->reg_lock);
814 		break;
815 	}
816 	case SNDRV_PCM_TRIGGER_START:
817 	case SNDRV_PCM_TRIGGER_STOP:
818 	{
819 		unsigned int what = 0;
820 		struct snd_pcm_substream *s;
821 		snd_pcm_group_for_each_entry(s, substream) {
822 			if (s == ensoniq->playback1_substream) {
823 				what |= ES_DAC1_EN;
824 				snd_pcm_trigger_done(s, substream);
825 			} else if (s == ensoniq->playback2_substream) {
826 				what |= ES_DAC2_EN;
827 				snd_pcm_trigger_done(s, substream);
828 			} else if (s == ensoniq->capture_substream) {
829 				what |= ES_ADC_EN;
830 				snd_pcm_trigger_done(s, substream);
831 			}
832 		}
833 		spin_lock(&ensoniq->reg_lock);
834 		if (cmd == SNDRV_PCM_TRIGGER_START)
835 			ensoniq->ctrl |= what;
836 		else
837 			ensoniq->ctrl &= ~what;
838 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
839 		spin_unlock(&ensoniq->reg_lock);
840 		break;
841 	}
842 	default:
843 		return -EINVAL;
844 	}
845 	return 0;
846 }
847 
848 /*
849  *  PCM part
850  */
851 
852 static int snd_ensoniq_playback1_prepare(struct snd_pcm_substream *substream)
853 {
854 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
855 	struct snd_pcm_runtime *runtime = substream->runtime;
856 	unsigned int mode = 0;
857 
858 	ensoniq->p1_dma_size = snd_pcm_lib_buffer_bytes(substream);
859 	ensoniq->p1_period_size = snd_pcm_lib_period_bytes(substream);
860 	if (snd_pcm_format_width(runtime->format) == 16)
861 		mode |= 0x02;
862 	if (runtime->channels > 1)
863 		mode |= 0x01;
864 	spin_lock_irq(&ensoniq->reg_lock);
865 	ensoniq->ctrl &= ~ES_DAC1_EN;
866 #ifdef CHIP1371
867 	/* 48k doesn't need SRC (it breaks AC3-passthru) */
868 	if (runtime->rate == 48000)
869 		ensoniq->ctrl |= ES_1373_BYPASS_P1;
870 	else
871 		ensoniq->ctrl &= ~ES_1373_BYPASS_P1;
872 #endif
873 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
874 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
875 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC1_FRAME));
876 	outl((ensoniq->p1_dma_size >> 2) - 1, ES_REG(ensoniq, DAC1_SIZE));
877 	ensoniq->sctrl &= ~(ES_P1_LOOP_SEL | ES_P1_PAUSE | ES_P1_SCT_RLD | ES_P1_MODEM);
878 	ensoniq->sctrl |= ES_P1_INT_EN | ES_P1_MODEO(mode);
879 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
880 	outl((ensoniq->p1_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
881 	     ES_REG(ensoniq, DAC1_COUNT));
882 #ifdef CHIP1370
883 	ensoniq->ctrl &= ~ES_1370_WTSRSELM;
884 	switch (runtime->rate) {
885 	case 5512: ensoniq->ctrl |= ES_1370_WTSRSEL(0); break;
886 	case 11025: ensoniq->ctrl |= ES_1370_WTSRSEL(1); break;
887 	case 22050: ensoniq->ctrl |= ES_1370_WTSRSEL(2); break;
888 	case 44100: ensoniq->ctrl |= ES_1370_WTSRSEL(3); break;
889 	default: snd_BUG();
890 	}
891 #endif
892 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
893 	spin_unlock_irq(&ensoniq->reg_lock);
894 #ifndef CHIP1370
895 	snd_es1371_dac1_rate(ensoniq, runtime->rate);
896 #endif
897 	return 0;
898 }
899 
900 static int snd_ensoniq_playback2_prepare(struct snd_pcm_substream *substream)
901 {
902 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
903 	struct snd_pcm_runtime *runtime = substream->runtime;
904 	unsigned int mode = 0;
905 
906 	ensoniq->p2_dma_size = snd_pcm_lib_buffer_bytes(substream);
907 	ensoniq->p2_period_size = snd_pcm_lib_period_bytes(substream);
908 	if (snd_pcm_format_width(runtime->format) == 16)
909 		mode |= 0x02;
910 	if (runtime->channels > 1)
911 		mode |= 0x01;
912 	spin_lock_irq(&ensoniq->reg_lock);
913 	ensoniq->ctrl &= ~ES_DAC2_EN;
914 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
915 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
916 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC2_FRAME));
917 	outl((ensoniq->p2_dma_size >> 2) - 1, ES_REG(ensoniq, DAC2_SIZE));
918 	ensoniq->sctrl &= ~(ES_P2_LOOP_SEL | ES_P2_PAUSE | ES_P2_DAC_SEN |
919 			    ES_P2_END_INCM | ES_P2_ST_INCM | ES_P2_MODEM);
920 	ensoniq->sctrl |= ES_P2_INT_EN | ES_P2_MODEO(mode) |
921 			  ES_P2_END_INCO(mode & 2 ? 2 : 1) | ES_P2_ST_INCO(0);
922 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
923 	outl((ensoniq->p2_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
924 	     ES_REG(ensoniq, DAC2_COUNT));
925 #ifdef CHIP1370
926 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_CAPTURE)) {
927 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
928 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
929 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_PLAY2;
930 	}
931 #endif
932 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
933 	spin_unlock_irq(&ensoniq->reg_lock);
934 #ifndef CHIP1370
935 	snd_es1371_dac2_rate(ensoniq, runtime->rate);
936 #endif
937 	return 0;
938 }
939 
940 static int snd_ensoniq_capture_prepare(struct snd_pcm_substream *substream)
941 {
942 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
943 	struct snd_pcm_runtime *runtime = substream->runtime;
944 	unsigned int mode = 0;
945 
946 	ensoniq->c_dma_size = snd_pcm_lib_buffer_bytes(substream);
947 	ensoniq->c_period_size = snd_pcm_lib_period_bytes(substream);
948 	if (snd_pcm_format_width(runtime->format) == 16)
949 		mode |= 0x02;
950 	if (runtime->channels > 1)
951 		mode |= 0x01;
952 	spin_lock_irq(&ensoniq->reg_lock);
953 	ensoniq->ctrl &= ~ES_ADC_EN;
954 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
955 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
956 	outl(runtime->dma_addr, ES_REG(ensoniq, ADC_FRAME));
957 	outl((ensoniq->c_dma_size >> 2) - 1, ES_REG(ensoniq, ADC_SIZE));
958 	ensoniq->sctrl &= ~(ES_R1_LOOP_SEL | ES_R1_MODEM);
959 	ensoniq->sctrl |= ES_R1_INT_EN | ES_R1_MODEO(mode);
960 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
961 	outl((ensoniq->c_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
962 	     ES_REG(ensoniq, ADC_COUNT));
963 #ifdef CHIP1370
964 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_PLAY2)) {
965 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
966 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
967 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_CAPTURE;
968 	}
969 #endif
970 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
971 	spin_unlock_irq(&ensoniq->reg_lock);
972 #ifndef CHIP1370
973 	snd_es1371_adc_rate(ensoniq, runtime->rate);
974 #endif
975 	return 0;
976 }
977 
978 static snd_pcm_uframes_t snd_ensoniq_playback1_pointer(struct snd_pcm_substream *substream)
979 {
980 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
981 	size_t ptr;
982 
983 	spin_lock(&ensoniq->reg_lock);
984 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC1_EN) {
985 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
986 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC1_SIZE)));
987 		ptr = bytes_to_frames(substream->runtime, ptr);
988 	} else {
989 		ptr = 0;
990 	}
991 	spin_unlock(&ensoniq->reg_lock);
992 	return ptr;
993 }
994 
995 static snd_pcm_uframes_t snd_ensoniq_playback2_pointer(struct snd_pcm_substream *substream)
996 {
997 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
998 	size_t ptr;
999 
1000 	spin_lock(&ensoniq->reg_lock);
1001 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC2_EN) {
1002 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1003 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC2_SIZE)));
1004 		ptr = bytes_to_frames(substream->runtime, ptr);
1005 	} else {
1006 		ptr = 0;
1007 	}
1008 	spin_unlock(&ensoniq->reg_lock);
1009 	return ptr;
1010 }
1011 
1012 static snd_pcm_uframes_t snd_ensoniq_capture_pointer(struct snd_pcm_substream *substream)
1013 {
1014 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1015 	size_t ptr;
1016 
1017 	spin_lock(&ensoniq->reg_lock);
1018 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_ADC_EN) {
1019 		outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1020 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, ADC_SIZE)));
1021 		ptr = bytes_to_frames(substream->runtime, ptr);
1022 	} else {
1023 		ptr = 0;
1024 	}
1025 	spin_unlock(&ensoniq->reg_lock);
1026 	return ptr;
1027 }
1028 
1029 static const struct snd_pcm_hardware snd_ensoniq_playback1 =
1030 {
1031 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1032 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1033 				 SNDRV_PCM_INFO_MMAP_VALID |
1034 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
1035 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1036 	.rates =
1037 #ifndef CHIP1370
1038 				SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1039 #else
1040 				(SNDRV_PCM_RATE_KNOT | 	/* 5512Hz rate */
1041 				 SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_22050 |
1042 				 SNDRV_PCM_RATE_44100),
1043 #endif
1044 	.rate_min =		4000,
1045 	.rate_max =		48000,
1046 	.channels_min =		1,
1047 	.channels_max =		2,
1048 	.buffer_bytes_max =	(128*1024),
1049 	.period_bytes_min =	64,
1050 	.period_bytes_max =	(128*1024),
1051 	.periods_min =		1,
1052 	.periods_max =		1024,
1053 	.fifo_size =		0,
1054 };
1055 
1056 static const struct snd_pcm_hardware snd_ensoniq_playback2 =
1057 {
1058 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1059 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1060 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE |
1061 				 SNDRV_PCM_INFO_SYNC_START),
1062 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1063 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1064 	.rate_min =		4000,
1065 	.rate_max =		48000,
1066 	.channels_min =		1,
1067 	.channels_max =		2,
1068 	.buffer_bytes_max =	(128*1024),
1069 	.period_bytes_min =	64,
1070 	.period_bytes_max =	(128*1024),
1071 	.periods_min =		1,
1072 	.periods_max =		1024,
1073 	.fifo_size =		0,
1074 };
1075 
1076 static const struct snd_pcm_hardware snd_ensoniq_capture =
1077 {
1078 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1079 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1080 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1081 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1082 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1083 	.rate_min =		4000,
1084 	.rate_max =		48000,
1085 	.channels_min =		1,
1086 	.channels_max =		2,
1087 	.buffer_bytes_max =	(128*1024),
1088 	.period_bytes_min =	64,
1089 	.period_bytes_max =	(128*1024),
1090 	.periods_min =		1,
1091 	.periods_max =		1024,
1092 	.fifo_size =		0,
1093 };
1094 
1095 static int snd_ensoniq_playback1_open(struct snd_pcm_substream *substream)
1096 {
1097 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1098 	struct snd_pcm_runtime *runtime = substream->runtime;
1099 
1100 	ensoniq->mode |= ES_MODE_PLAY1;
1101 	ensoniq->playback1_substream = substream;
1102 	runtime->hw = snd_ensoniq_playback1;
1103 	snd_pcm_set_sync(substream);
1104 	spin_lock_irq(&ensoniq->reg_lock);
1105 	if (ensoniq->spdif && ensoniq->playback2_substream == NULL)
1106 		ensoniq->spdif_stream = ensoniq->spdif_default;
1107 	spin_unlock_irq(&ensoniq->reg_lock);
1108 #ifdef CHIP1370
1109 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1110 				   &snd_es1370_hw_constraints_rates);
1111 #else
1112 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1113 				      &snd_es1371_hw_constraints_dac_clock);
1114 #endif
1115 	return 0;
1116 }
1117 
1118 static int snd_ensoniq_playback2_open(struct snd_pcm_substream *substream)
1119 {
1120 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1121 	struct snd_pcm_runtime *runtime = substream->runtime;
1122 
1123 	ensoniq->mode |= ES_MODE_PLAY2;
1124 	ensoniq->playback2_substream = substream;
1125 	runtime->hw = snd_ensoniq_playback2;
1126 	snd_pcm_set_sync(substream);
1127 	spin_lock_irq(&ensoniq->reg_lock);
1128 	if (ensoniq->spdif && ensoniq->playback1_substream == NULL)
1129 		ensoniq->spdif_stream = ensoniq->spdif_default;
1130 	spin_unlock_irq(&ensoniq->reg_lock);
1131 #ifdef CHIP1370
1132 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1133 				      &snd_es1370_hw_constraints_clock);
1134 #else
1135 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1136 				      &snd_es1371_hw_constraints_dac_clock);
1137 #endif
1138 	return 0;
1139 }
1140 
1141 static int snd_ensoniq_capture_open(struct snd_pcm_substream *substream)
1142 {
1143 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1144 	struct snd_pcm_runtime *runtime = substream->runtime;
1145 
1146 	ensoniq->mode |= ES_MODE_CAPTURE;
1147 	ensoniq->capture_substream = substream;
1148 	runtime->hw = snd_ensoniq_capture;
1149 	snd_pcm_set_sync(substream);
1150 #ifdef CHIP1370
1151 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1152 				      &snd_es1370_hw_constraints_clock);
1153 #else
1154 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1155 				      &snd_es1371_hw_constraints_adc_clock);
1156 #endif
1157 	return 0;
1158 }
1159 
1160 static int snd_ensoniq_playback1_close(struct snd_pcm_substream *substream)
1161 {
1162 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1163 
1164 	ensoniq->playback1_substream = NULL;
1165 	ensoniq->mode &= ~ES_MODE_PLAY1;
1166 	return 0;
1167 }
1168 
1169 static int snd_ensoniq_playback2_close(struct snd_pcm_substream *substream)
1170 {
1171 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1172 
1173 	ensoniq->playback2_substream = NULL;
1174 	spin_lock_irq(&ensoniq->reg_lock);
1175 #ifdef CHIP1370
1176 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_PLAY2;
1177 #endif
1178 	ensoniq->mode &= ~ES_MODE_PLAY2;
1179 	spin_unlock_irq(&ensoniq->reg_lock);
1180 	return 0;
1181 }
1182 
1183 static int snd_ensoniq_capture_close(struct snd_pcm_substream *substream)
1184 {
1185 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1186 
1187 	ensoniq->capture_substream = NULL;
1188 	spin_lock_irq(&ensoniq->reg_lock);
1189 #ifdef CHIP1370
1190 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_CAPTURE;
1191 #endif
1192 	ensoniq->mode &= ~ES_MODE_CAPTURE;
1193 	spin_unlock_irq(&ensoniq->reg_lock);
1194 	return 0;
1195 }
1196 
1197 static const struct snd_pcm_ops snd_ensoniq_playback1_ops = {
1198 	.open =		snd_ensoniq_playback1_open,
1199 	.close =	snd_ensoniq_playback1_close,
1200 	.prepare =	snd_ensoniq_playback1_prepare,
1201 	.trigger =	snd_ensoniq_trigger,
1202 	.pointer =	snd_ensoniq_playback1_pointer,
1203 };
1204 
1205 static const struct snd_pcm_ops snd_ensoniq_playback2_ops = {
1206 	.open =		snd_ensoniq_playback2_open,
1207 	.close =	snd_ensoniq_playback2_close,
1208 	.prepare =	snd_ensoniq_playback2_prepare,
1209 	.trigger =	snd_ensoniq_trigger,
1210 	.pointer =	snd_ensoniq_playback2_pointer,
1211 };
1212 
1213 static const struct snd_pcm_ops snd_ensoniq_capture_ops = {
1214 	.open =		snd_ensoniq_capture_open,
1215 	.close =	snd_ensoniq_capture_close,
1216 	.prepare =	snd_ensoniq_capture_prepare,
1217 	.trigger =	snd_ensoniq_trigger,
1218 	.pointer =	snd_ensoniq_capture_pointer,
1219 };
1220 
1221 static const struct snd_pcm_chmap_elem surround_map[] = {
1222 	{ .channels = 1,
1223 	  .map = { SNDRV_CHMAP_MONO } },
1224 	{ .channels = 2,
1225 	  .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
1226 	{ }
1227 };
1228 
1229 static int snd_ensoniq_pcm(struct ensoniq *ensoniq, int device)
1230 {
1231 	struct snd_pcm *pcm;
1232 	int err;
1233 
1234 	err = snd_pcm_new(ensoniq->card, CHIP_NAME "/1", device, 1, 1, &pcm);
1235 	if (err < 0)
1236 		return err;
1237 
1238 #ifdef CHIP1370
1239 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1240 #else
1241 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1242 #endif
1243 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ensoniq_capture_ops);
1244 
1245 	pcm->private_data = ensoniq;
1246 	pcm->info_flags = 0;
1247 	strcpy(pcm->name, CHIP_NAME " DAC2/ADC");
1248 	ensoniq->pcm1 = pcm;
1249 
1250 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1251 				       &ensoniq->pci->dev, 64*1024, 128*1024);
1252 
1253 #ifdef CHIP1370
1254 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1255 				     surround_map, 2, 0, NULL);
1256 #else
1257 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1258 				     snd_pcm_std_chmaps, 2, 0, NULL);
1259 #endif
1260 	return err;
1261 }
1262 
1263 static int snd_ensoniq_pcm2(struct ensoniq *ensoniq, int device)
1264 {
1265 	struct snd_pcm *pcm;
1266 	int err;
1267 
1268 	err = snd_pcm_new(ensoniq->card, CHIP_NAME "/2", device, 1, 0, &pcm);
1269 	if (err < 0)
1270 		return err;
1271 
1272 #ifdef CHIP1370
1273 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1274 #else
1275 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1276 #endif
1277 	pcm->private_data = ensoniq;
1278 	pcm->info_flags = 0;
1279 	strcpy(pcm->name, CHIP_NAME " DAC1");
1280 	ensoniq->pcm2 = pcm;
1281 
1282 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1283 				       &ensoniq->pci->dev, 64*1024, 128*1024);
1284 
1285 #ifdef CHIP1370
1286 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1287 				     snd_pcm_std_chmaps, 2, 0, NULL);
1288 #else
1289 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1290 				     surround_map, 2, 0, NULL);
1291 #endif
1292 	return err;
1293 }
1294 
1295 /*
1296  *  Mixer section
1297  */
1298 
1299 /*
1300  * ENS1371 mixer (including SPDIF interface)
1301  */
1302 #ifdef CHIP1371
1303 static int snd_ens1373_spdif_info(struct snd_kcontrol *kcontrol,
1304 				  struct snd_ctl_elem_info *uinfo)
1305 {
1306 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1307 	uinfo->count = 1;
1308 	return 0;
1309 }
1310 
1311 static int snd_ens1373_spdif_default_get(struct snd_kcontrol *kcontrol,
1312                                          struct snd_ctl_elem_value *ucontrol)
1313 {
1314 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1315 	spin_lock_irq(&ensoniq->reg_lock);
1316 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_default >> 0) & 0xff;
1317 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_default >> 8) & 0xff;
1318 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_default >> 16) & 0xff;
1319 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_default >> 24) & 0xff;
1320 	spin_unlock_irq(&ensoniq->reg_lock);
1321 	return 0;
1322 }
1323 
1324 static int snd_ens1373_spdif_default_put(struct snd_kcontrol *kcontrol,
1325                                          struct snd_ctl_elem_value *ucontrol)
1326 {
1327 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1328 	unsigned int val;
1329 	int change;
1330 
1331 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1332 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1333 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1334 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1335 	spin_lock_irq(&ensoniq->reg_lock);
1336 	change = ensoniq->spdif_default != val;
1337 	ensoniq->spdif_default = val;
1338 	if (change && ensoniq->playback1_substream == NULL &&
1339 	    ensoniq->playback2_substream == NULL)
1340 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1341 	spin_unlock_irq(&ensoniq->reg_lock);
1342 	return change;
1343 }
1344 
1345 static int snd_ens1373_spdif_mask_get(struct snd_kcontrol *kcontrol,
1346 				      struct snd_ctl_elem_value *ucontrol)
1347 {
1348 	ucontrol->value.iec958.status[0] = 0xff;
1349 	ucontrol->value.iec958.status[1] = 0xff;
1350 	ucontrol->value.iec958.status[2] = 0xff;
1351 	ucontrol->value.iec958.status[3] = 0xff;
1352 	return 0;
1353 }
1354 
1355 static int snd_ens1373_spdif_stream_get(struct snd_kcontrol *kcontrol,
1356 					struct snd_ctl_elem_value *ucontrol)
1357 {
1358 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1359 	spin_lock_irq(&ensoniq->reg_lock);
1360 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_stream >> 0) & 0xff;
1361 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_stream >> 8) & 0xff;
1362 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_stream >> 16) & 0xff;
1363 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_stream >> 24) & 0xff;
1364 	spin_unlock_irq(&ensoniq->reg_lock);
1365 	return 0;
1366 }
1367 
1368 static int snd_ens1373_spdif_stream_put(struct snd_kcontrol *kcontrol,
1369                                         struct snd_ctl_elem_value *ucontrol)
1370 {
1371 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1372 	unsigned int val;
1373 	int change;
1374 
1375 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1376 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1377 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1378 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1379 	spin_lock_irq(&ensoniq->reg_lock);
1380 	change = ensoniq->spdif_stream != val;
1381 	ensoniq->spdif_stream = val;
1382 	if (change && (ensoniq->playback1_substream != NULL ||
1383 		       ensoniq->playback2_substream != NULL))
1384 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1385 	spin_unlock_irq(&ensoniq->reg_lock);
1386 	return change;
1387 }
1388 
1389 #define ES1371_SPDIF(xname) \
1390 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_es1371_spdif_info, \
1391   .get = snd_es1371_spdif_get, .put = snd_es1371_spdif_put }
1392 
1393 #define snd_es1371_spdif_info		snd_ctl_boolean_mono_info
1394 
1395 static int snd_es1371_spdif_get(struct snd_kcontrol *kcontrol,
1396 				struct snd_ctl_elem_value *ucontrol)
1397 {
1398 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1399 
1400 	spin_lock_irq(&ensoniq->reg_lock);
1401 	ucontrol->value.integer.value[0] = ensoniq->ctrl & ES_1373_SPDIF_THRU ? 1 : 0;
1402 	spin_unlock_irq(&ensoniq->reg_lock);
1403 	return 0;
1404 }
1405 
1406 static int snd_es1371_spdif_put(struct snd_kcontrol *kcontrol,
1407 				struct snd_ctl_elem_value *ucontrol)
1408 {
1409 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1410 	unsigned int nval1, nval2;
1411 	int change;
1412 
1413 	nval1 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_THRU : 0;
1414 	nval2 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_EN : 0;
1415 	spin_lock_irq(&ensoniq->reg_lock);
1416 	change = (ensoniq->ctrl & ES_1373_SPDIF_THRU) != nval1;
1417 	ensoniq->ctrl &= ~ES_1373_SPDIF_THRU;
1418 	ensoniq->ctrl |= nval1;
1419 	ensoniq->cssr &= ~ES_1373_SPDIF_EN;
1420 	ensoniq->cssr |= nval2;
1421 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1422 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1423 	spin_unlock_irq(&ensoniq->reg_lock);
1424 	return change;
1425 }
1426 
1427 
1428 /* spdif controls */
1429 static const struct snd_kcontrol_new snd_es1371_mixer_spdif[] = {
1430 	ES1371_SPDIF(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH)),
1431 	{
1432 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1433 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1434 		.info =		snd_ens1373_spdif_info,
1435 		.get =		snd_ens1373_spdif_default_get,
1436 		.put =		snd_ens1373_spdif_default_put,
1437 	},
1438 	{
1439 		.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1440 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1441 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1442 		.info =		snd_ens1373_spdif_info,
1443 		.get =		snd_ens1373_spdif_mask_get
1444 	},
1445 	{
1446 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1447 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1448 		.info =		snd_ens1373_spdif_info,
1449 		.get =		snd_ens1373_spdif_stream_get,
1450 		.put =		snd_ens1373_spdif_stream_put
1451 	},
1452 };
1453 
1454 
1455 #define snd_es1373_rear_info		snd_ctl_boolean_mono_info
1456 
1457 static int snd_es1373_rear_get(struct snd_kcontrol *kcontrol,
1458 			       struct snd_ctl_elem_value *ucontrol)
1459 {
1460 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1461 	int val = 0;
1462 
1463 	spin_lock_irq(&ensoniq->reg_lock);
1464 	if ((ensoniq->cssr & (ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|
1465 			      ES_1373_REAR_BIT24)) == ES_1373_REAR_BIT26)
1466 	    	val = 1;
1467 	ucontrol->value.integer.value[0] = val;
1468 	spin_unlock_irq(&ensoniq->reg_lock);
1469 	return 0;
1470 }
1471 
1472 static int snd_es1373_rear_put(struct snd_kcontrol *kcontrol,
1473 			       struct snd_ctl_elem_value *ucontrol)
1474 {
1475 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1476 	unsigned int nval1;
1477 	int change;
1478 
1479 	nval1 = ucontrol->value.integer.value[0] ?
1480 		ES_1373_REAR_BIT26 : (ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1481 	spin_lock_irq(&ensoniq->reg_lock);
1482 	change = (ensoniq->cssr & (ES_1373_REAR_BIT27|
1483 				   ES_1373_REAR_BIT26|ES_1373_REAR_BIT24)) != nval1;
1484 	ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|ES_1373_REAR_BIT24);
1485 	ensoniq->cssr |= nval1;
1486 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1487 	spin_unlock_irq(&ensoniq->reg_lock);
1488 	return change;
1489 }
1490 
1491 static const struct snd_kcontrol_new snd_ens1373_rear =
1492 {
1493 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1494 	.name =		"AC97 2ch->4ch Copy Switch",
1495 	.info =		snd_es1373_rear_info,
1496 	.get =		snd_es1373_rear_get,
1497 	.put =		snd_es1373_rear_put,
1498 };
1499 
1500 #define snd_es1373_line_info		snd_ctl_boolean_mono_info
1501 
1502 static int snd_es1373_line_get(struct snd_kcontrol *kcontrol,
1503 			       struct snd_ctl_elem_value *ucontrol)
1504 {
1505 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1506 	int val = 0;
1507 
1508 	spin_lock_irq(&ensoniq->reg_lock);
1509 	if (ensoniq->ctrl & ES_1371_GPIO_OUT(4))
1510 	    	val = 1;
1511 	ucontrol->value.integer.value[0] = val;
1512 	spin_unlock_irq(&ensoniq->reg_lock);
1513 	return 0;
1514 }
1515 
1516 static int snd_es1373_line_put(struct snd_kcontrol *kcontrol,
1517 			       struct snd_ctl_elem_value *ucontrol)
1518 {
1519 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1520 	int changed;
1521 	unsigned int ctrl;
1522 
1523 	spin_lock_irq(&ensoniq->reg_lock);
1524 	ctrl = ensoniq->ctrl;
1525 	if (ucontrol->value.integer.value[0])
1526 		ensoniq->ctrl |= ES_1371_GPIO_OUT(4);	/* switch line-in -> rear out */
1527 	else
1528 		ensoniq->ctrl &= ~ES_1371_GPIO_OUT(4);
1529 	changed = (ctrl != ensoniq->ctrl);
1530 	if (changed)
1531 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1532 	spin_unlock_irq(&ensoniq->reg_lock);
1533 	return changed;
1534 }
1535 
1536 static const struct snd_kcontrol_new snd_ens1373_line =
1537 {
1538 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1539 	.name =		"Line In->Rear Out Switch",
1540 	.info =		snd_es1373_line_info,
1541 	.get =		snd_es1373_line_get,
1542 	.put =		snd_es1373_line_put,
1543 };
1544 
1545 static void snd_ensoniq_mixer_free_ac97(struct snd_ac97 *ac97)
1546 {
1547 	struct ensoniq *ensoniq = ac97->private_data;
1548 	ensoniq->u.es1371.ac97 = NULL;
1549 }
1550 
1551 struct es1371_quirk {
1552 	unsigned short vid;		/* vendor ID */
1553 	unsigned short did;		/* device ID */
1554 	unsigned char rev;		/* revision */
1555 };
1556 
1557 static int es1371_quirk_lookup(struct ensoniq *ensoniq,
1558 			       const struct es1371_quirk *list)
1559 {
1560 	while (list->vid != (unsigned short)PCI_ANY_ID) {
1561 		if (ensoniq->pci->vendor == list->vid &&
1562 		    ensoniq->pci->device == list->did &&
1563 		    ensoniq->rev == list->rev)
1564 			return 1;
1565 		list++;
1566 	}
1567 	return 0;
1568 }
1569 
1570 static const struct es1371_quirk es1371_spdif_present[] = {
1571 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1572 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1573 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1574 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1575 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1576 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1577 };
1578 
1579 static const struct snd_pci_quirk ens1373_line_quirk[] = {
1580 	SND_PCI_QUIRK_ID(0x1274, 0x2000), /* GA-7DXR */
1581 	SND_PCI_QUIRK_ID(0x1458, 0xa000), /* GA-8IEXP */
1582 	{ } /* end */
1583 };
1584 
1585 static int snd_ensoniq_1371_mixer(struct ensoniq *ensoniq,
1586 				  int has_spdif, int has_line)
1587 {
1588 	struct snd_card *card = ensoniq->card;
1589 	struct snd_ac97_bus *pbus;
1590 	struct snd_ac97_template ac97;
1591 	int err;
1592 	static const struct snd_ac97_bus_ops ops = {
1593 		.write = snd_es1371_codec_write,
1594 		.read = snd_es1371_codec_read,
1595 		.wait = snd_es1371_codec_wait,
1596 	};
1597 
1598 	err = snd_ac97_bus(card, 0, &ops, NULL, &pbus);
1599 	if (err < 0)
1600 		return err;
1601 
1602 	memset(&ac97, 0, sizeof(ac97));
1603 	ac97.private_data = ensoniq;
1604 	ac97.private_free = snd_ensoniq_mixer_free_ac97;
1605 	ac97.pci = ensoniq->pci;
1606 	ac97.scaps = AC97_SCAP_AUDIO;
1607 	err = snd_ac97_mixer(pbus, &ac97, &ensoniq->u.es1371.ac97);
1608 	if (err < 0)
1609 		return err;
1610 	if (has_spdif > 0 ||
1611 	    (!has_spdif && es1371_quirk_lookup(ensoniq, es1371_spdif_present))) {
1612 		struct snd_kcontrol *kctl;
1613 		int i, is_spdif = 0;
1614 
1615 		ensoniq->spdif_default = ensoniq->spdif_stream =
1616 			SNDRV_PCM_DEFAULT_CON_SPDIF;
1617 		outl(ensoniq->spdif_default, ES_REG(ensoniq, CHANNEL_STATUS));
1618 
1619 		if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SPDIF)
1620 			is_spdif++;
1621 
1622 		for (i = 0; i < ARRAY_SIZE(snd_es1371_mixer_spdif); i++) {
1623 			kctl = snd_ctl_new1(&snd_es1371_mixer_spdif[i], ensoniq);
1624 			if (!kctl)
1625 				return -ENOMEM;
1626 			kctl->id.index = is_spdif;
1627 			err = snd_ctl_add(card, kctl);
1628 			if (err < 0)
1629 				return err;
1630 		}
1631 	}
1632 	if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SDAC) {
1633 		/* mirror rear to front speakers */
1634 		ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1635 		ensoniq->cssr |= ES_1373_REAR_BIT26;
1636 		err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_rear, ensoniq));
1637 		if (err < 0)
1638 			return err;
1639 	}
1640 	if (has_line > 0 ||
1641 	    snd_pci_quirk_lookup(ensoniq->pci, ens1373_line_quirk)) {
1642 		 err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_line,
1643 						      ensoniq));
1644 		 if (err < 0)
1645 			 return err;
1646 	}
1647 
1648 	return 0;
1649 }
1650 
1651 #endif /* CHIP1371 */
1652 
1653 /* generic control callbacks for ens1370 */
1654 #ifdef CHIP1370
1655 #define ENSONIQ_CONTROL(xname, mask) \
1656 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = xname, .info = snd_ensoniq_control_info, \
1657   .get = snd_ensoniq_control_get, .put = snd_ensoniq_control_put, \
1658   .private_value = mask }
1659 
1660 #define snd_ensoniq_control_info	snd_ctl_boolean_mono_info
1661 
1662 static int snd_ensoniq_control_get(struct snd_kcontrol *kcontrol,
1663 				   struct snd_ctl_elem_value *ucontrol)
1664 {
1665 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1666 	int mask = kcontrol->private_value;
1667 
1668 	spin_lock_irq(&ensoniq->reg_lock);
1669 	ucontrol->value.integer.value[0] = ensoniq->ctrl & mask ? 1 : 0;
1670 	spin_unlock_irq(&ensoniq->reg_lock);
1671 	return 0;
1672 }
1673 
1674 static int snd_ensoniq_control_put(struct snd_kcontrol *kcontrol,
1675 				   struct snd_ctl_elem_value *ucontrol)
1676 {
1677 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1678 	int mask = kcontrol->private_value;
1679 	unsigned int nval;
1680 	int change;
1681 
1682 	nval = ucontrol->value.integer.value[0] ? mask : 0;
1683 	spin_lock_irq(&ensoniq->reg_lock);
1684 	change = (ensoniq->ctrl & mask) != nval;
1685 	ensoniq->ctrl &= ~mask;
1686 	ensoniq->ctrl |= nval;
1687 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1688 	spin_unlock_irq(&ensoniq->reg_lock);
1689 	return change;
1690 }
1691 
1692 /*
1693  * ENS1370 mixer
1694  */
1695 
1696 static const struct snd_kcontrol_new snd_es1370_controls[2] = {
1697 ENSONIQ_CONTROL("PCM 0 Output also on Line-In Jack", ES_1370_XCTL0),
1698 ENSONIQ_CONTROL("Mic +5V bias", ES_1370_XCTL1)
1699 };
1700 
1701 #define ES1370_CONTROLS ARRAY_SIZE(snd_es1370_controls)
1702 
1703 static void snd_ensoniq_mixer_free_ak4531(struct snd_ak4531 *ak4531)
1704 {
1705 	struct ensoniq *ensoniq = ak4531->private_data;
1706 	ensoniq->u.es1370.ak4531 = NULL;
1707 }
1708 
1709 static int snd_ensoniq_1370_mixer(struct ensoniq *ensoniq)
1710 {
1711 	struct snd_card *card = ensoniq->card;
1712 	struct snd_ak4531 ak4531;
1713 	unsigned int idx;
1714 	int err;
1715 
1716 	/* try reset AK4531 */
1717 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
1718 	inw(ES_REG(ensoniq, 1370_CODEC));
1719 	udelay(100);
1720 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
1721 	inw(ES_REG(ensoniq, 1370_CODEC));
1722 	udelay(100);
1723 
1724 	memset(&ak4531, 0, sizeof(ak4531));
1725 	ak4531.write = snd_es1370_codec_write;
1726 	ak4531.private_data = ensoniq;
1727 	ak4531.private_free = snd_ensoniq_mixer_free_ak4531;
1728 	err = snd_ak4531_mixer(card, &ak4531, &ensoniq->u.es1370.ak4531);
1729 	if (err < 0)
1730 		return err;
1731 	for (idx = 0; idx < ES1370_CONTROLS; idx++) {
1732 		err = snd_ctl_add(card, snd_ctl_new1(&snd_es1370_controls[idx], ensoniq));
1733 		if (err < 0)
1734 			return err;
1735 	}
1736 	return 0;
1737 }
1738 
1739 #endif /* CHIP1370 */
1740 
1741 #ifdef SUPPORT_JOYSTICK
1742 
1743 #ifdef CHIP1371
1744 static int snd_ensoniq_get_joystick_port(struct ensoniq *ensoniq, int dev)
1745 {
1746 	switch (joystick_port[dev]) {
1747 	case 0: /* disabled */
1748 	case 1: /* auto-detect */
1749 	case 0x200:
1750 	case 0x208:
1751 	case 0x210:
1752 	case 0x218:
1753 		return joystick_port[dev];
1754 
1755 	default:
1756 		dev_err(ensoniq->card->dev,
1757 			"invalid joystick port %#x", joystick_port[dev]);
1758 		return 0;
1759 	}
1760 }
1761 #else
1762 static int snd_ensoniq_get_joystick_port(struct ensoniq *ensoniq, int dev)
1763 {
1764 	return joystick[dev] ? 0x200 : 0;
1765 }
1766 #endif
1767 
1768 static int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, int dev)
1769 {
1770 	struct gameport *gp;
1771 	int io_port;
1772 
1773 	io_port = snd_ensoniq_get_joystick_port(ensoniq, dev);
1774 
1775 	switch (io_port) {
1776 	case 0:
1777 		return -ENOSYS;
1778 
1779 	case 1: /* auto_detect */
1780 		for (io_port = 0x200; io_port <= 0x218; io_port += 8)
1781 			if (request_region(io_port, 8, "ens137x: gameport"))
1782 				break;
1783 		if (io_port > 0x218) {
1784 			dev_warn(ensoniq->card->dev,
1785 				 "no gameport ports available\n");
1786 			return -EBUSY;
1787 		}
1788 		break;
1789 
1790 	default:
1791 		if (!request_region(io_port, 8, "ens137x: gameport")) {
1792 			dev_warn(ensoniq->card->dev,
1793 				 "gameport io port %#x in use\n",
1794 			       io_port);
1795 			return -EBUSY;
1796 		}
1797 		break;
1798 	}
1799 
1800 	ensoniq->gameport = gp = gameport_allocate_port();
1801 	if (!gp) {
1802 		dev_err(ensoniq->card->dev,
1803 			"cannot allocate memory for gameport\n");
1804 		release_region(io_port, 8);
1805 		return -ENOMEM;
1806 	}
1807 
1808 	gameport_set_name(gp, "ES137x");
1809 	gameport_set_phys(gp, "pci%s/gameport0", pci_name(ensoniq->pci));
1810 	gameport_set_dev_parent(gp, &ensoniq->pci->dev);
1811 	gp->io = io_port;
1812 
1813 	ensoniq->ctrl |= ES_JYSTK_EN;
1814 #ifdef CHIP1371
1815 	ensoniq->ctrl &= ~ES_1371_JOY_ASELM;
1816 	ensoniq->ctrl |= ES_1371_JOY_ASEL((io_port - 0x200) / 8);
1817 #endif
1818 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1819 
1820 	gameport_register_port(ensoniq->gameport);
1821 
1822 	return 0;
1823 }
1824 
1825 static void snd_ensoniq_free_gameport(struct ensoniq *ensoniq)
1826 {
1827 	if (ensoniq->gameport) {
1828 		int port = ensoniq->gameport->io;
1829 
1830 		gameport_unregister_port(ensoniq->gameport);
1831 		ensoniq->gameport = NULL;
1832 		ensoniq->ctrl &= ~ES_JYSTK_EN;
1833 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1834 		release_region(port, 8);
1835 	}
1836 }
1837 #else
1838 static inline int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, long port) { return -ENOSYS; }
1839 static inline void snd_ensoniq_free_gameport(struct ensoniq *ensoniq) { }
1840 #endif /* SUPPORT_JOYSTICK */
1841 
1842 /*
1843 
1844  */
1845 
1846 static void snd_ensoniq_proc_read(struct snd_info_entry *entry,
1847 				  struct snd_info_buffer *buffer)
1848 {
1849 	struct ensoniq *ensoniq = entry->private_data;
1850 
1851 	snd_iprintf(buffer, "Ensoniq AudioPCI " CHIP_NAME "\n\n");
1852 	snd_iprintf(buffer, "Joystick enable  : %s\n",
1853 		    ensoniq->ctrl & ES_JYSTK_EN ? "on" : "off");
1854 #ifdef CHIP1370
1855 	snd_iprintf(buffer, "MIC +5V bias     : %s\n",
1856 		    ensoniq->ctrl & ES_1370_XCTL1 ? "on" : "off");
1857 	snd_iprintf(buffer, "Line In to AOUT  : %s\n",
1858 		    ensoniq->ctrl & ES_1370_XCTL0 ? "on" : "off");
1859 #else
1860 	snd_iprintf(buffer, "Joystick port    : 0x%x\n",
1861 		    (ES_1371_JOY_ASELI(ensoniq->ctrl) * 8) + 0x200);
1862 #endif
1863 }
1864 
1865 static void snd_ensoniq_proc_init(struct ensoniq *ensoniq)
1866 {
1867 	snd_card_ro_proc_new(ensoniq->card, "audiopci", ensoniq,
1868 			     snd_ensoniq_proc_read);
1869 }
1870 
1871 /*
1872 
1873  */
1874 
1875 static void snd_ensoniq_free(struct snd_card *card)
1876 {
1877 	struct ensoniq *ensoniq = card->private_data;
1878 
1879 	snd_ensoniq_free_gameport(ensoniq);
1880 #ifdef CHIP1370
1881 	outl(ES_1370_SERR_DISABLE, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1882 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1883 #else
1884 	outl(0, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1885 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1886 #endif
1887 }
1888 
1889 #ifdef CHIP1371
1890 static const struct snd_pci_quirk es1371_amplifier_hack[] = {
1891 	SND_PCI_QUIRK_ID(0x107b, 0x2150),	/* Gateway Solo 2150 */
1892 	SND_PCI_QUIRK_ID(0x13bd, 0x100c),	/* EV1938 on Mebius PC-MJ100V */
1893 	SND_PCI_QUIRK_ID(0x1102, 0x5938),	/* Targa Xtender300 */
1894 	SND_PCI_QUIRK_ID(0x1102, 0x8938),	/* IPC Topnote G notebook */
1895 	{ } /* end */
1896 };
1897 
1898 static const struct es1371_quirk es1371_ac97_reset_hack[] = {
1899 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1900 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1901 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1902 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1903 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1904 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1905 };
1906 #endif
1907 
1908 static void snd_ensoniq_chip_init(struct ensoniq *ensoniq)
1909 {
1910 #ifdef CHIP1371
1911 	int idx;
1912 #endif
1913 	/* this code was part of snd_ensoniq_create before intruduction
1914 	  * of suspend/resume
1915 	  */
1916 #ifdef CHIP1370
1917 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1918 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1919 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1920 	outl(ensoniq->dma_bug->addr, ES_REG(ensoniq, PHANTOM_FRAME));
1921 	outl(0, ES_REG(ensoniq, PHANTOM_COUNT));
1922 #else
1923 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1924 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1925 	outl(0, ES_REG(ensoniq, 1371_LEGACY));
1926 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack)) {
1927 	    outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1928 	    /* need to delay around 20ms(bleech) to give
1929 	       some CODECs enough time to wakeup */
1930 	    msleep(20);
1931 	}
1932 	/* AC'97 warm reset to start the bitclk */
1933 	outl(ensoniq->ctrl | ES_1371_SYNC_RES, ES_REG(ensoniq, CONTROL));
1934 	inl(ES_REG(ensoniq, CONTROL));
1935 	udelay(20);
1936 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1937 	/* Init the sample rate converter */
1938 	snd_es1371_wait_src_ready(ensoniq);
1939 	outl(ES_1371_SRC_DISABLE, ES_REG(ensoniq, 1371_SMPRATE));
1940 	for (idx = 0; idx < 0x80; idx++)
1941 		snd_es1371_src_write(ensoniq, idx, 0);
1942 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_TRUNC_N, 16 << 4);
1943 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS, 16 << 10);
1944 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_TRUNC_N, 16 << 4);
1945 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS, 16 << 10);
1946 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, 1 << 12);
1947 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, 1 << 12);
1948 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1, 1 << 12);
1949 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1 + 1, 1 << 12);
1950 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2, 1 << 12);
1951 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2 + 1, 1 << 12);
1952 	snd_es1371_adc_rate(ensoniq, 22050);
1953 	snd_es1371_dac1_rate(ensoniq, 22050);
1954 	snd_es1371_dac2_rate(ensoniq, 22050);
1955 	/* WARNING:
1956 	 * enabling the sample rate converter without properly programming
1957 	 * its parameters causes the chip to lock up (the SRC busy bit will
1958 	 * be stuck high, and I've found no way to rectify this other than
1959 	 * power cycle) - Thomas Sailer
1960 	 */
1961 	snd_es1371_wait_src_ready(ensoniq);
1962 	outl(0, ES_REG(ensoniq, 1371_SMPRATE));
1963 	/* try reset codec directly */
1964 	outl(ES_1371_CODEC_WRITE(0, 0), ES_REG(ensoniq, 1371_CODEC));
1965 #endif
1966 	outb(ensoniq->uartc = 0x00, ES_REG(ensoniq, UART_CONTROL));
1967 	outb(0x00, ES_REG(ensoniq, UART_RES));
1968 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1969 }
1970 
1971 #ifdef CONFIG_PM_SLEEP
1972 static int snd_ensoniq_suspend(struct device *dev)
1973 {
1974 	struct snd_card *card = dev_get_drvdata(dev);
1975 	struct ensoniq *ensoniq = card->private_data;
1976 
1977 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1978 
1979 #ifdef CHIP1371
1980 	snd_ac97_suspend(ensoniq->u.es1371.ac97);
1981 #else
1982 	/* try to reset AK4531 */
1983 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
1984 	inw(ES_REG(ensoniq, 1370_CODEC));
1985 	udelay(100);
1986 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
1987 	inw(ES_REG(ensoniq, 1370_CODEC));
1988 	udelay(100);
1989 	snd_ak4531_suspend(ensoniq->u.es1370.ak4531);
1990 #endif
1991 	return 0;
1992 }
1993 
1994 static int snd_ensoniq_resume(struct device *dev)
1995 {
1996 	struct snd_card *card = dev_get_drvdata(dev);
1997 	struct ensoniq *ensoniq = card->private_data;
1998 
1999 	snd_ensoniq_chip_init(ensoniq);
2000 
2001 #ifdef CHIP1371
2002 	snd_ac97_resume(ensoniq->u.es1371.ac97);
2003 #else
2004 	snd_ak4531_resume(ensoniq->u.es1370.ak4531);
2005 #endif
2006 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2007 	return 0;
2008 }
2009 
2010 static SIMPLE_DEV_PM_OPS(snd_ensoniq_pm, snd_ensoniq_suspend, snd_ensoniq_resume);
2011 #define SND_ENSONIQ_PM_OPS	&snd_ensoniq_pm
2012 #else
2013 #define SND_ENSONIQ_PM_OPS	NULL
2014 #endif /* CONFIG_PM_SLEEP */
2015 
2016 static int snd_ensoniq_create(struct snd_card *card,
2017 			      struct pci_dev *pci)
2018 {
2019 	struct ensoniq *ensoniq = card->private_data;
2020 	int err;
2021 
2022 	err = pcim_enable_device(pci);
2023 	if (err < 0)
2024 		return err;
2025 	spin_lock_init(&ensoniq->reg_lock);
2026 	mutex_init(&ensoniq->src_mutex);
2027 	ensoniq->card = card;
2028 	ensoniq->pci = pci;
2029 	ensoniq->irq = -1;
2030 	err = pci_request_regions(pci, "Ensoniq AudioPCI");
2031 	if (err < 0)
2032 		return err;
2033 	ensoniq->port = pci_resource_start(pci, 0);
2034 	if (devm_request_irq(&pci->dev, pci->irq, snd_audiopci_interrupt,
2035 			     IRQF_SHARED, KBUILD_MODNAME, ensoniq)) {
2036 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2037 		return -EBUSY;
2038 	}
2039 	ensoniq->irq = pci->irq;
2040 	card->sync_irq = ensoniq->irq;
2041 #ifdef CHIP1370
2042 	ensoniq->dma_bug =
2043 		snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV, 16);
2044 	if (!ensoniq->dma_bug)
2045 		return -ENOMEM;
2046 #endif
2047 	pci_set_master(pci);
2048 	ensoniq->rev = pci->revision;
2049 #ifdef CHIP1370
2050 #if 0
2051 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_SERR_DISABLE |
2052 		ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2053 #else	/* get microphone working */
2054 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2055 #endif
2056 	ensoniq->sctrl = 0;
2057 #else
2058 	ensoniq->ctrl = 0;
2059 	ensoniq->sctrl = 0;
2060 	ensoniq->cssr = 0;
2061 	if (snd_pci_quirk_lookup(pci, es1371_amplifier_hack))
2062 		ensoniq->ctrl |= ES_1371_GPIO_OUT(1);	/* turn amplifier on */
2063 
2064 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack))
2065 		ensoniq->cssr |= ES_1371_ST_AC97_RST;
2066 #endif
2067 
2068 	card->private_free = snd_ensoniq_free;
2069 	snd_ensoniq_chip_init(ensoniq);
2070 
2071 	snd_ensoniq_proc_init(ensoniq);
2072 	return 0;
2073 }
2074 
2075 /*
2076  *  MIDI section
2077  */
2078 
2079 static void snd_ensoniq_midi_interrupt(struct ensoniq * ensoniq)
2080 {
2081 	struct snd_rawmidi *rmidi = ensoniq->rmidi;
2082 	unsigned char status, mask, byte;
2083 
2084 	if (rmidi == NULL)
2085 		return;
2086 	/* do Rx at first */
2087 	spin_lock(&ensoniq->reg_lock);
2088 	mask = ensoniq->uartm & ES_MODE_INPUT ? ES_RXRDY : 0;
2089 	while (mask) {
2090 		status = inb(ES_REG(ensoniq, UART_STATUS));
2091 		if ((status & mask) == 0)
2092 			break;
2093 		byte = inb(ES_REG(ensoniq, UART_DATA));
2094 		snd_rawmidi_receive(ensoniq->midi_input, &byte, 1);
2095 	}
2096 	spin_unlock(&ensoniq->reg_lock);
2097 
2098 	/* do Tx at second */
2099 	spin_lock(&ensoniq->reg_lock);
2100 	mask = ensoniq->uartm & ES_MODE_OUTPUT ? ES_TXRDY : 0;
2101 	while (mask) {
2102 		status = inb(ES_REG(ensoniq, UART_STATUS));
2103 		if ((status & mask) == 0)
2104 			break;
2105 		if (snd_rawmidi_transmit(ensoniq->midi_output, &byte, 1) != 1) {
2106 			ensoniq->uartc &= ~ES_TXINTENM;
2107 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2108 			mask &= ~ES_TXRDY;
2109 		} else {
2110 			outb(byte, ES_REG(ensoniq, UART_DATA));
2111 		}
2112 	}
2113 	spin_unlock(&ensoniq->reg_lock);
2114 }
2115 
2116 static int snd_ensoniq_midi_input_open(struct snd_rawmidi_substream *substream)
2117 {
2118 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2119 
2120 	spin_lock_irq(&ensoniq->reg_lock);
2121 	ensoniq->uartm |= ES_MODE_INPUT;
2122 	ensoniq->midi_input = substream;
2123 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2124 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2125 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2126 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2127 	}
2128 	spin_unlock_irq(&ensoniq->reg_lock);
2129 	return 0;
2130 }
2131 
2132 static int snd_ensoniq_midi_input_close(struct snd_rawmidi_substream *substream)
2133 {
2134 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2135 
2136 	spin_lock_irq(&ensoniq->reg_lock);
2137 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2138 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2139 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2140 	} else {
2141 		outb(ensoniq->uartc &= ~ES_RXINTEN, ES_REG(ensoniq, UART_CONTROL));
2142 	}
2143 	ensoniq->midi_input = NULL;
2144 	ensoniq->uartm &= ~ES_MODE_INPUT;
2145 	spin_unlock_irq(&ensoniq->reg_lock);
2146 	return 0;
2147 }
2148 
2149 static int snd_ensoniq_midi_output_open(struct snd_rawmidi_substream *substream)
2150 {
2151 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2152 
2153 	spin_lock_irq(&ensoniq->reg_lock);
2154 	ensoniq->uartm |= ES_MODE_OUTPUT;
2155 	ensoniq->midi_output = substream;
2156 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2157 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2158 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2159 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2160 	}
2161 	spin_unlock_irq(&ensoniq->reg_lock);
2162 	return 0;
2163 }
2164 
2165 static int snd_ensoniq_midi_output_close(struct snd_rawmidi_substream *substream)
2166 {
2167 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2168 
2169 	spin_lock_irq(&ensoniq->reg_lock);
2170 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2171 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2172 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2173 	} else {
2174 		outb(ensoniq->uartc &= ~ES_TXINTENM, ES_REG(ensoniq, UART_CONTROL));
2175 	}
2176 	ensoniq->midi_output = NULL;
2177 	ensoniq->uartm &= ~ES_MODE_OUTPUT;
2178 	spin_unlock_irq(&ensoniq->reg_lock);
2179 	return 0;
2180 }
2181 
2182 static void snd_ensoniq_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
2183 {
2184 	unsigned long flags;
2185 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2186 	int idx;
2187 
2188 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2189 	if (up) {
2190 		if ((ensoniq->uartc & ES_RXINTEN) == 0) {
2191 			/* empty input FIFO */
2192 			for (idx = 0; idx < 32; idx++)
2193 				inb(ES_REG(ensoniq, UART_DATA));
2194 			ensoniq->uartc |= ES_RXINTEN;
2195 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2196 		}
2197 	} else {
2198 		if (ensoniq->uartc & ES_RXINTEN) {
2199 			ensoniq->uartc &= ~ES_RXINTEN;
2200 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2201 		}
2202 	}
2203 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2204 }
2205 
2206 static void snd_ensoniq_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
2207 {
2208 	unsigned long flags;
2209 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2210 	unsigned char byte;
2211 
2212 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2213 	if (up) {
2214 		if (ES_TXINTENI(ensoniq->uartc) == 0) {
2215 			ensoniq->uartc |= ES_TXINTENO(1);
2216 			/* fill UART FIFO buffer at first, and turn Tx interrupts only if necessary */
2217 			while (ES_TXINTENI(ensoniq->uartc) == 1 &&
2218 			       (inb(ES_REG(ensoniq, UART_STATUS)) & ES_TXRDY)) {
2219 				if (snd_rawmidi_transmit(substream, &byte, 1) != 1) {
2220 					ensoniq->uartc &= ~ES_TXINTENM;
2221 				} else {
2222 					outb(byte, ES_REG(ensoniq, UART_DATA));
2223 				}
2224 			}
2225 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2226 		}
2227 	} else {
2228 		if (ES_TXINTENI(ensoniq->uartc) == 1) {
2229 			ensoniq->uartc &= ~ES_TXINTENM;
2230 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2231 		}
2232 	}
2233 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2234 }
2235 
2236 static const struct snd_rawmidi_ops snd_ensoniq_midi_output =
2237 {
2238 	.open =		snd_ensoniq_midi_output_open,
2239 	.close =	snd_ensoniq_midi_output_close,
2240 	.trigger =	snd_ensoniq_midi_output_trigger,
2241 };
2242 
2243 static const struct snd_rawmidi_ops snd_ensoniq_midi_input =
2244 {
2245 	.open =		snd_ensoniq_midi_input_open,
2246 	.close =	snd_ensoniq_midi_input_close,
2247 	.trigger =	snd_ensoniq_midi_input_trigger,
2248 };
2249 
2250 static int snd_ensoniq_midi(struct ensoniq *ensoniq, int device)
2251 {
2252 	struct snd_rawmidi *rmidi;
2253 	int err;
2254 
2255 	err = snd_rawmidi_new(ensoniq->card, "ES1370/1", device, 1, 1, &rmidi);
2256 	if (err < 0)
2257 		return err;
2258 	strcpy(rmidi->name, CHIP_NAME);
2259 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_ensoniq_midi_output);
2260 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_ensoniq_midi_input);
2261 	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT |
2262 		SNDRV_RAWMIDI_INFO_DUPLEX;
2263 	rmidi->private_data = ensoniq;
2264 	ensoniq->rmidi = rmidi;
2265 	return 0;
2266 }
2267 
2268 /*
2269  *  Interrupt handler
2270  */
2271 
2272 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id)
2273 {
2274 	struct ensoniq *ensoniq = dev_id;
2275 	unsigned int status, sctrl;
2276 
2277 	if (ensoniq == NULL)
2278 		return IRQ_NONE;
2279 
2280 	status = inl(ES_REG(ensoniq, STATUS));
2281 	if (!(status & ES_INTR))
2282 		return IRQ_NONE;
2283 
2284 	spin_lock(&ensoniq->reg_lock);
2285 	sctrl = ensoniq->sctrl;
2286 	if (status & ES_DAC1)
2287 		sctrl &= ~ES_P1_INT_EN;
2288 	if (status & ES_DAC2)
2289 		sctrl &= ~ES_P2_INT_EN;
2290 	if (status & ES_ADC)
2291 		sctrl &= ~ES_R1_INT_EN;
2292 	outl(sctrl, ES_REG(ensoniq, SERIAL));
2293 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
2294 	spin_unlock(&ensoniq->reg_lock);
2295 
2296 	if (status & ES_UART)
2297 		snd_ensoniq_midi_interrupt(ensoniq);
2298 	if ((status & ES_DAC2) && ensoniq->playback2_substream)
2299 		snd_pcm_period_elapsed(ensoniq->playback2_substream);
2300 	if ((status & ES_ADC) && ensoniq->capture_substream)
2301 		snd_pcm_period_elapsed(ensoniq->capture_substream);
2302 	if ((status & ES_DAC1) && ensoniq->playback1_substream)
2303 		snd_pcm_period_elapsed(ensoniq->playback1_substream);
2304 	return IRQ_HANDLED;
2305 }
2306 
2307 static int __snd_audiopci_probe(struct pci_dev *pci,
2308 				const struct pci_device_id *pci_id)
2309 {
2310 	static int dev;
2311 	struct snd_card *card;
2312 	struct ensoniq *ensoniq;
2313 	int err;
2314 
2315 	if (dev >= SNDRV_CARDS)
2316 		return -ENODEV;
2317 	if (!enable[dev]) {
2318 		dev++;
2319 		return -ENOENT;
2320 	}
2321 
2322 	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2323 				sizeof(*ensoniq), &card);
2324 	if (err < 0)
2325 		return err;
2326 	ensoniq = card->private_data;
2327 
2328 	err = snd_ensoniq_create(card, pci);
2329 	if (err < 0)
2330 		return err;
2331 
2332 #ifdef CHIP1370
2333 	err = snd_ensoniq_1370_mixer(ensoniq);
2334 	if (err < 0)
2335 		return err;
2336 #endif
2337 #ifdef CHIP1371
2338 	err = snd_ensoniq_1371_mixer(ensoniq, spdif[dev], lineio[dev]);
2339 	if (err < 0)
2340 		return err;
2341 #endif
2342 	err = snd_ensoniq_pcm(ensoniq, 0);
2343 	if (err < 0)
2344 		return err;
2345 	err = snd_ensoniq_pcm2(ensoniq, 1);
2346 	if (err < 0)
2347 		return err;
2348 	err = snd_ensoniq_midi(ensoniq, 0);
2349 	if (err < 0)
2350 		return err;
2351 
2352 	snd_ensoniq_create_gameport(ensoniq, dev);
2353 
2354 	strcpy(card->driver, DRIVER_NAME);
2355 
2356 	strcpy(card->shortname, "Ensoniq AudioPCI");
2357 	sprintf(card->longname, "%s %s at 0x%lx, irq %i",
2358 		card->shortname,
2359 		card->driver,
2360 		ensoniq->port,
2361 		ensoniq->irq);
2362 
2363 	err = snd_card_register(card);
2364 	if (err < 0)
2365 		return err;
2366 
2367 	pci_set_drvdata(pci, card);
2368 	dev++;
2369 	return 0;
2370 }
2371 
2372 static int snd_audiopci_probe(struct pci_dev *pci,
2373 			      const struct pci_device_id *pci_id)
2374 {
2375 	return snd_card_free_on_error(&pci->dev, __snd_audiopci_probe(pci, pci_id));
2376 }
2377 
2378 static struct pci_driver ens137x_driver = {
2379 	.name = KBUILD_MODNAME,
2380 	.id_table = snd_audiopci_ids,
2381 	.probe = snd_audiopci_probe,
2382 	.driver = {
2383 		.pm = SND_ENSONIQ_PM_OPS,
2384 	},
2385 };
2386 
2387 module_pci_driver(ens137x_driver);
2388