xref: /linux/sound/pci/ens1370.c (revision bbcd53c960713507ae764bf81970651b5577b95a)
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 http://www.alsa-project.org/~tiwai/writing-an-alsa-driver/
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 				if ((x = inl(ES_REG(ensoniq, 1371_CODEC))) & ES_1371_CODEC_RDY) {
676 					if (is_ev1938(ensoniq)) {
677 						for (t = 0; t < 100; t++)
678 							inl(ES_REG(ensoniq, CONTROL));
679 						x = inl(ES_REG(ensoniq, 1371_CODEC));
680 					}
681 					mutex_unlock(&ensoniq->src_mutex);
682 					return ES_1371_CODEC_READ(x);
683 				}
684 			}
685 			mutex_unlock(&ensoniq->src_mutex);
686 			if (++fail > 10) {
687 				dev_err(ensoniq->card->dev,
688 					"codec read timeout (final) at 0x%lx, reg = 0x%x [0x%x]\n",
689 					   ES_REG(ensoniq, 1371_CODEC), reg,
690 					   inl(ES_REG(ensoniq, 1371_CODEC)));
691 				return 0;
692 			}
693 			goto __again;
694 		}
695 	}
696 	mutex_unlock(&ensoniq->src_mutex);
697 	dev_err(ensoniq->card->dev, "codec read timeout at 0x%lx [0x%x]\n",
698 		   ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
699 	return 0;
700 }
701 
702 static void snd_es1371_codec_wait(struct snd_ac97 *ac97)
703 {
704 	msleep(750);
705 	snd_es1371_codec_read(ac97, AC97_RESET);
706 	snd_es1371_codec_read(ac97, AC97_VENDOR_ID1);
707 	snd_es1371_codec_read(ac97, AC97_VENDOR_ID2);
708 	msleep(50);
709 }
710 
711 static void snd_es1371_adc_rate(struct ensoniq * ensoniq, unsigned int rate)
712 {
713 	unsigned int n, truncm, freq;
714 
715 	mutex_lock(&ensoniq->src_mutex);
716 	n = rate / 3000;
717 	if ((1 << n) & ((1 << 15) | (1 << 13) | (1 << 11) | (1 << 9)))
718 		n--;
719 	truncm = (21 * n - 1) | 1;
720 	freq = ((48000UL << 15) / rate) * n;
721 	if (rate >= 24000) {
722 		if (truncm > 239)
723 			truncm = 239;
724 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
725 				(((239 - truncm) >> 1) << 9) | (n << 4));
726 	} else {
727 		if (truncm > 119)
728 			truncm = 119;
729 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
730 				0x8000 | (((119 - truncm) >> 1) << 9) | (n << 4));
731 	}
732 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_INT_REGS,
733 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_ADC +
734 						  ES_SMPREG_INT_REGS) & 0x00ff) |
735 			     ((freq >> 5) & 0xfc00));
736 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
737 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, n << 8);
738 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, n << 8);
739 	mutex_unlock(&ensoniq->src_mutex);
740 }
741 
742 static void snd_es1371_dac1_rate(struct ensoniq * ensoniq, unsigned int rate)
743 {
744 	unsigned int freq, r;
745 
746 	mutex_lock(&ensoniq->src_mutex);
747 	freq = DIV_ROUND_CLOSEST(rate << 15, 3000);
748 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
749 						   ES_1371_DIS_P2 | ES_1371_DIS_R1)) |
750 		ES_1371_DIS_P1;
751 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
752 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS,
753 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC1 +
754 						  ES_SMPREG_INT_REGS) & 0x00ff) |
755 			     ((freq >> 5) & 0xfc00));
756 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
757 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
758 						   ES_1371_DIS_P2 | ES_1371_DIS_R1));
759 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
760 	mutex_unlock(&ensoniq->src_mutex);
761 }
762 
763 static void snd_es1371_dac2_rate(struct ensoniq * ensoniq, unsigned int rate)
764 {
765 	unsigned int freq, r;
766 
767 	mutex_lock(&ensoniq->src_mutex);
768 	freq = DIV_ROUND_CLOSEST(rate << 15, 3000);
769 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
770 						   ES_1371_DIS_P1 | ES_1371_DIS_R1)) |
771 		ES_1371_DIS_P2;
772 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
773 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS,
774 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC2 +
775 						  ES_SMPREG_INT_REGS) & 0x00ff) |
776 			     ((freq >> 5) & 0xfc00));
777 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_VFREQ_FRAC,
778 			     freq & 0x7fff);
779 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
780 						   ES_1371_DIS_P1 | ES_1371_DIS_R1));
781 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
782 	mutex_unlock(&ensoniq->src_mutex);
783 }
784 
785 #endif /* CHIP1371 */
786 
787 static int snd_ensoniq_trigger(struct snd_pcm_substream *substream, int cmd)
788 {
789 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
790 	switch (cmd) {
791 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
792 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
793 	{
794 		unsigned int what = 0;
795 		struct snd_pcm_substream *s;
796 		snd_pcm_group_for_each_entry(s, substream) {
797 			if (s == ensoniq->playback1_substream) {
798 				what |= ES_P1_PAUSE;
799 				snd_pcm_trigger_done(s, substream);
800 			} else if (s == ensoniq->playback2_substream) {
801 				what |= ES_P2_PAUSE;
802 				snd_pcm_trigger_done(s, substream);
803 			} else if (s == ensoniq->capture_substream)
804 				return -EINVAL;
805 		}
806 		spin_lock(&ensoniq->reg_lock);
807 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
808 			ensoniq->sctrl |= what;
809 		else
810 			ensoniq->sctrl &= ~what;
811 		outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
812 		spin_unlock(&ensoniq->reg_lock);
813 		break;
814 	}
815 	case SNDRV_PCM_TRIGGER_START:
816 	case SNDRV_PCM_TRIGGER_STOP:
817 	{
818 		unsigned int what = 0;
819 		struct snd_pcm_substream *s;
820 		snd_pcm_group_for_each_entry(s, substream) {
821 			if (s == ensoniq->playback1_substream) {
822 				what |= ES_DAC1_EN;
823 				snd_pcm_trigger_done(s, substream);
824 			} else if (s == ensoniq->playback2_substream) {
825 				what |= ES_DAC2_EN;
826 				snd_pcm_trigger_done(s, substream);
827 			} else if (s == ensoniq->capture_substream) {
828 				what |= ES_ADC_EN;
829 				snd_pcm_trigger_done(s, substream);
830 			}
831 		}
832 		spin_lock(&ensoniq->reg_lock);
833 		if (cmd == SNDRV_PCM_TRIGGER_START)
834 			ensoniq->ctrl |= what;
835 		else
836 			ensoniq->ctrl &= ~what;
837 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
838 		spin_unlock(&ensoniq->reg_lock);
839 		break;
840 	}
841 	default:
842 		return -EINVAL;
843 	}
844 	return 0;
845 }
846 
847 /*
848  *  PCM part
849  */
850 
851 static int snd_ensoniq_playback1_prepare(struct snd_pcm_substream *substream)
852 {
853 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
854 	struct snd_pcm_runtime *runtime = substream->runtime;
855 	unsigned int mode = 0;
856 
857 	ensoniq->p1_dma_size = snd_pcm_lib_buffer_bytes(substream);
858 	ensoniq->p1_period_size = snd_pcm_lib_period_bytes(substream);
859 	if (snd_pcm_format_width(runtime->format) == 16)
860 		mode |= 0x02;
861 	if (runtime->channels > 1)
862 		mode |= 0x01;
863 	spin_lock_irq(&ensoniq->reg_lock);
864 	ensoniq->ctrl &= ~ES_DAC1_EN;
865 #ifdef CHIP1371
866 	/* 48k doesn't need SRC (it breaks AC3-passthru) */
867 	if (runtime->rate == 48000)
868 		ensoniq->ctrl |= ES_1373_BYPASS_P1;
869 	else
870 		ensoniq->ctrl &= ~ES_1373_BYPASS_P1;
871 #endif
872 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
873 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
874 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC1_FRAME));
875 	outl((ensoniq->p1_dma_size >> 2) - 1, ES_REG(ensoniq, DAC1_SIZE));
876 	ensoniq->sctrl &= ~(ES_P1_LOOP_SEL | ES_P1_PAUSE | ES_P1_SCT_RLD | ES_P1_MODEM);
877 	ensoniq->sctrl |= ES_P1_INT_EN | ES_P1_MODEO(mode);
878 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
879 	outl((ensoniq->p1_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
880 	     ES_REG(ensoniq, DAC1_COUNT));
881 #ifdef CHIP1370
882 	ensoniq->ctrl &= ~ES_1370_WTSRSELM;
883 	switch (runtime->rate) {
884 	case 5512: ensoniq->ctrl |= ES_1370_WTSRSEL(0); break;
885 	case 11025: ensoniq->ctrl |= ES_1370_WTSRSEL(1); break;
886 	case 22050: ensoniq->ctrl |= ES_1370_WTSRSEL(2); break;
887 	case 44100: ensoniq->ctrl |= ES_1370_WTSRSEL(3); break;
888 	default: snd_BUG();
889 	}
890 #endif
891 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
892 	spin_unlock_irq(&ensoniq->reg_lock);
893 #ifndef CHIP1370
894 	snd_es1371_dac1_rate(ensoniq, runtime->rate);
895 #endif
896 	return 0;
897 }
898 
899 static int snd_ensoniq_playback2_prepare(struct snd_pcm_substream *substream)
900 {
901 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
902 	struct snd_pcm_runtime *runtime = substream->runtime;
903 	unsigned int mode = 0;
904 
905 	ensoniq->p2_dma_size = snd_pcm_lib_buffer_bytes(substream);
906 	ensoniq->p2_period_size = snd_pcm_lib_period_bytes(substream);
907 	if (snd_pcm_format_width(runtime->format) == 16)
908 		mode |= 0x02;
909 	if (runtime->channels > 1)
910 		mode |= 0x01;
911 	spin_lock_irq(&ensoniq->reg_lock);
912 	ensoniq->ctrl &= ~ES_DAC2_EN;
913 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
914 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
915 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC2_FRAME));
916 	outl((ensoniq->p2_dma_size >> 2) - 1, ES_REG(ensoniq, DAC2_SIZE));
917 	ensoniq->sctrl &= ~(ES_P2_LOOP_SEL | ES_P2_PAUSE | ES_P2_DAC_SEN |
918 			    ES_P2_END_INCM | ES_P2_ST_INCM | ES_P2_MODEM);
919 	ensoniq->sctrl |= ES_P2_INT_EN | ES_P2_MODEO(mode) |
920 			  ES_P2_END_INCO(mode & 2 ? 2 : 1) | ES_P2_ST_INCO(0);
921 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
922 	outl((ensoniq->p2_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
923 	     ES_REG(ensoniq, DAC2_COUNT));
924 #ifdef CHIP1370
925 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_CAPTURE)) {
926 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
927 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
928 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_PLAY2;
929 	}
930 #endif
931 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
932 	spin_unlock_irq(&ensoniq->reg_lock);
933 #ifndef CHIP1370
934 	snd_es1371_dac2_rate(ensoniq, runtime->rate);
935 #endif
936 	return 0;
937 }
938 
939 static int snd_ensoniq_capture_prepare(struct snd_pcm_substream *substream)
940 {
941 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
942 	struct snd_pcm_runtime *runtime = substream->runtime;
943 	unsigned int mode = 0;
944 
945 	ensoniq->c_dma_size = snd_pcm_lib_buffer_bytes(substream);
946 	ensoniq->c_period_size = snd_pcm_lib_period_bytes(substream);
947 	if (snd_pcm_format_width(runtime->format) == 16)
948 		mode |= 0x02;
949 	if (runtime->channels > 1)
950 		mode |= 0x01;
951 	spin_lock_irq(&ensoniq->reg_lock);
952 	ensoniq->ctrl &= ~ES_ADC_EN;
953 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
954 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
955 	outl(runtime->dma_addr, ES_REG(ensoniq, ADC_FRAME));
956 	outl((ensoniq->c_dma_size >> 2) - 1, ES_REG(ensoniq, ADC_SIZE));
957 	ensoniq->sctrl &= ~(ES_R1_LOOP_SEL | ES_R1_MODEM);
958 	ensoniq->sctrl |= ES_R1_INT_EN | ES_R1_MODEO(mode);
959 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
960 	outl((ensoniq->c_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
961 	     ES_REG(ensoniq, ADC_COUNT));
962 #ifdef CHIP1370
963 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_PLAY2)) {
964 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
965 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
966 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_CAPTURE;
967 	}
968 #endif
969 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
970 	spin_unlock_irq(&ensoniq->reg_lock);
971 #ifndef CHIP1370
972 	snd_es1371_adc_rate(ensoniq, runtime->rate);
973 #endif
974 	return 0;
975 }
976 
977 static snd_pcm_uframes_t snd_ensoniq_playback1_pointer(struct snd_pcm_substream *substream)
978 {
979 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
980 	size_t ptr;
981 
982 	spin_lock(&ensoniq->reg_lock);
983 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC1_EN) {
984 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
985 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC1_SIZE)));
986 		ptr = bytes_to_frames(substream->runtime, ptr);
987 	} else {
988 		ptr = 0;
989 	}
990 	spin_unlock(&ensoniq->reg_lock);
991 	return ptr;
992 }
993 
994 static snd_pcm_uframes_t snd_ensoniq_playback2_pointer(struct snd_pcm_substream *substream)
995 {
996 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
997 	size_t ptr;
998 
999 	spin_lock(&ensoniq->reg_lock);
1000 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC2_EN) {
1001 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1002 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC2_SIZE)));
1003 		ptr = bytes_to_frames(substream->runtime, ptr);
1004 	} else {
1005 		ptr = 0;
1006 	}
1007 	spin_unlock(&ensoniq->reg_lock);
1008 	return ptr;
1009 }
1010 
1011 static snd_pcm_uframes_t snd_ensoniq_capture_pointer(struct snd_pcm_substream *substream)
1012 {
1013 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1014 	size_t ptr;
1015 
1016 	spin_lock(&ensoniq->reg_lock);
1017 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_ADC_EN) {
1018 		outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1019 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, ADC_SIZE)));
1020 		ptr = bytes_to_frames(substream->runtime, ptr);
1021 	} else {
1022 		ptr = 0;
1023 	}
1024 	spin_unlock(&ensoniq->reg_lock);
1025 	return ptr;
1026 }
1027 
1028 static const struct snd_pcm_hardware snd_ensoniq_playback1 =
1029 {
1030 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1031 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1032 				 SNDRV_PCM_INFO_MMAP_VALID |
1033 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
1034 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1035 	.rates =
1036 #ifndef CHIP1370
1037 				SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1038 #else
1039 				(SNDRV_PCM_RATE_KNOT | 	/* 5512Hz rate */
1040 				 SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_22050 |
1041 				 SNDRV_PCM_RATE_44100),
1042 #endif
1043 	.rate_min =		4000,
1044 	.rate_max =		48000,
1045 	.channels_min =		1,
1046 	.channels_max =		2,
1047 	.buffer_bytes_max =	(128*1024),
1048 	.period_bytes_min =	64,
1049 	.period_bytes_max =	(128*1024),
1050 	.periods_min =		1,
1051 	.periods_max =		1024,
1052 	.fifo_size =		0,
1053 };
1054 
1055 static const struct snd_pcm_hardware snd_ensoniq_playback2 =
1056 {
1057 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1058 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1059 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE |
1060 				 SNDRV_PCM_INFO_SYNC_START),
1061 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1062 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1063 	.rate_min =		4000,
1064 	.rate_max =		48000,
1065 	.channels_min =		1,
1066 	.channels_max =		2,
1067 	.buffer_bytes_max =	(128*1024),
1068 	.period_bytes_min =	64,
1069 	.period_bytes_max =	(128*1024),
1070 	.periods_min =		1,
1071 	.periods_max =		1024,
1072 	.fifo_size =		0,
1073 };
1074 
1075 static const struct snd_pcm_hardware snd_ensoniq_capture =
1076 {
1077 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1078 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1079 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1080 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1081 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1082 	.rate_min =		4000,
1083 	.rate_max =		48000,
1084 	.channels_min =		1,
1085 	.channels_max =		2,
1086 	.buffer_bytes_max =	(128*1024),
1087 	.period_bytes_min =	64,
1088 	.period_bytes_max =	(128*1024),
1089 	.periods_min =		1,
1090 	.periods_max =		1024,
1091 	.fifo_size =		0,
1092 };
1093 
1094 static int snd_ensoniq_playback1_open(struct snd_pcm_substream *substream)
1095 {
1096 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1097 	struct snd_pcm_runtime *runtime = substream->runtime;
1098 
1099 	ensoniq->mode |= ES_MODE_PLAY1;
1100 	ensoniq->playback1_substream = substream;
1101 	runtime->hw = snd_ensoniq_playback1;
1102 	snd_pcm_set_sync(substream);
1103 	spin_lock_irq(&ensoniq->reg_lock);
1104 	if (ensoniq->spdif && ensoniq->playback2_substream == NULL)
1105 		ensoniq->spdif_stream = ensoniq->spdif_default;
1106 	spin_unlock_irq(&ensoniq->reg_lock);
1107 #ifdef CHIP1370
1108 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1109 				   &snd_es1370_hw_constraints_rates);
1110 #else
1111 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1112 				      &snd_es1371_hw_constraints_dac_clock);
1113 #endif
1114 	return 0;
1115 }
1116 
1117 static int snd_ensoniq_playback2_open(struct snd_pcm_substream *substream)
1118 {
1119 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1120 	struct snd_pcm_runtime *runtime = substream->runtime;
1121 
1122 	ensoniq->mode |= ES_MODE_PLAY2;
1123 	ensoniq->playback2_substream = substream;
1124 	runtime->hw = snd_ensoniq_playback2;
1125 	snd_pcm_set_sync(substream);
1126 	spin_lock_irq(&ensoniq->reg_lock);
1127 	if (ensoniq->spdif && ensoniq->playback1_substream == NULL)
1128 		ensoniq->spdif_stream = ensoniq->spdif_default;
1129 	spin_unlock_irq(&ensoniq->reg_lock);
1130 #ifdef CHIP1370
1131 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1132 				      &snd_es1370_hw_constraints_clock);
1133 #else
1134 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1135 				      &snd_es1371_hw_constraints_dac_clock);
1136 #endif
1137 	return 0;
1138 }
1139 
1140 static int snd_ensoniq_capture_open(struct snd_pcm_substream *substream)
1141 {
1142 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1143 	struct snd_pcm_runtime *runtime = substream->runtime;
1144 
1145 	ensoniq->mode |= ES_MODE_CAPTURE;
1146 	ensoniq->capture_substream = substream;
1147 	runtime->hw = snd_ensoniq_capture;
1148 	snd_pcm_set_sync(substream);
1149 #ifdef CHIP1370
1150 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1151 				      &snd_es1370_hw_constraints_clock);
1152 #else
1153 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1154 				      &snd_es1371_hw_constraints_adc_clock);
1155 #endif
1156 	return 0;
1157 }
1158 
1159 static int snd_ensoniq_playback1_close(struct snd_pcm_substream *substream)
1160 {
1161 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1162 
1163 	ensoniq->playback1_substream = NULL;
1164 	ensoniq->mode &= ~ES_MODE_PLAY1;
1165 	return 0;
1166 }
1167 
1168 static int snd_ensoniq_playback2_close(struct snd_pcm_substream *substream)
1169 {
1170 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1171 
1172 	ensoniq->playback2_substream = NULL;
1173 	spin_lock_irq(&ensoniq->reg_lock);
1174 #ifdef CHIP1370
1175 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_PLAY2;
1176 #endif
1177 	ensoniq->mode &= ~ES_MODE_PLAY2;
1178 	spin_unlock_irq(&ensoniq->reg_lock);
1179 	return 0;
1180 }
1181 
1182 static int snd_ensoniq_capture_close(struct snd_pcm_substream *substream)
1183 {
1184 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1185 
1186 	ensoniq->capture_substream = NULL;
1187 	spin_lock_irq(&ensoniq->reg_lock);
1188 #ifdef CHIP1370
1189 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_CAPTURE;
1190 #endif
1191 	ensoniq->mode &= ~ES_MODE_CAPTURE;
1192 	spin_unlock_irq(&ensoniq->reg_lock);
1193 	return 0;
1194 }
1195 
1196 static const struct snd_pcm_ops snd_ensoniq_playback1_ops = {
1197 	.open =		snd_ensoniq_playback1_open,
1198 	.close =	snd_ensoniq_playback1_close,
1199 	.prepare =	snd_ensoniq_playback1_prepare,
1200 	.trigger =	snd_ensoniq_trigger,
1201 	.pointer =	snd_ensoniq_playback1_pointer,
1202 };
1203 
1204 static const struct snd_pcm_ops snd_ensoniq_playback2_ops = {
1205 	.open =		snd_ensoniq_playback2_open,
1206 	.close =	snd_ensoniq_playback2_close,
1207 	.prepare =	snd_ensoniq_playback2_prepare,
1208 	.trigger =	snd_ensoniq_trigger,
1209 	.pointer =	snd_ensoniq_playback2_pointer,
1210 };
1211 
1212 static const struct snd_pcm_ops snd_ensoniq_capture_ops = {
1213 	.open =		snd_ensoniq_capture_open,
1214 	.close =	snd_ensoniq_capture_close,
1215 	.prepare =	snd_ensoniq_capture_prepare,
1216 	.trigger =	snd_ensoniq_trigger,
1217 	.pointer =	snd_ensoniq_capture_pointer,
1218 };
1219 
1220 static const struct snd_pcm_chmap_elem surround_map[] = {
1221 	{ .channels = 1,
1222 	  .map = { SNDRV_CHMAP_MONO } },
1223 	{ .channels = 2,
1224 	  .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
1225 	{ }
1226 };
1227 
1228 static int snd_ensoniq_pcm(struct ensoniq *ensoniq, int device)
1229 {
1230 	struct snd_pcm *pcm;
1231 	int err;
1232 
1233 	err = snd_pcm_new(ensoniq->card, CHIP_NAME "/1", device, 1, 1, &pcm);
1234 	if (err < 0)
1235 		return err;
1236 
1237 #ifdef CHIP1370
1238 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1239 #else
1240 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1241 #endif
1242 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ensoniq_capture_ops);
1243 
1244 	pcm->private_data = ensoniq;
1245 	pcm->info_flags = 0;
1246 	strcpy(pcm->name, CHIP_NAME " DAC2/ADC");
1247 	ensoniq->pcm1 = pcm;
1248 
1249 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1250 				       &ensoniq->pci->dev, 64*1024, 128*1024);
1251 
1252 #ifdef CHIP1370
1253 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1254 				     surround_map, 2, 0, NULL);
1255 #else
1256 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1257 				     snd_pcm_std_chmaps, 2, 0, NULL);
1258 #endif
1259 	return err;
1260 }
1261 
1262 static int snd_ensoniq_pcm2(struct ensoniq *ensoniq, int device)
1263 {
1264 	struct snd_pcm *pcm;
1265 	int err;
1266 
1267 	err = snd_pcm_new(ensoniq->card, CHIP_NAME "/2", device, 1, 0, &pcm);
1268 	if (err < 0)
1269 		return err;
1270 
1271 #ifdef CHIP1370
1272 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1273 #else
1274 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1275 #endif
1276 	pcm->private_data = ensoniq;
1277 	pcm->info_flags = 0;
1278 	strcpy(pcm->name, CHIP_NAME " DAC1");
1279 	ensoniq->pcm2 = pcm;
1280 
1281 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1282 				       &ensoniq->pci->dev, 64*1024, 128*1024);
1283 
1284 #ifdef CHIP1370
1285 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1286 				     snd_pcm_std_chmaps, 2, 0, NULL);
1287 #else
1288 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1289 				     surround_map, 2, 0, NULL);
1290 #endif
1291 	return err;
1292 }
1293 
1294 /*
1295  *  Mixer section
1296  */
1297 
1298 /*
1299  * ENS1371 mixer (including SPDIF interface)
1300  */
1301 #ifdef CHIP1371
1302 static int snd_ens1373_spdif_info(struct snd_kcontrol *kcontrol,
1303 				  struct snd_ctl_elem_info *uinfo)
1304 {
1305 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1306 	uinfo->count = 1;
1307 	return 0;
1308 }
1309 
1310 static int snd_ens1373_spdif_default_get(struct snd_kcontrol *kcontrol,
1311                                          struct snd_ctl_elem_value *ucontrol)
1312 {
1313 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1314 	spin_lock_irq(&ensoniq->reg_lock);
1315 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_default >> 0) & 0xff;
1316 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_default >> 8) & 0xff;
1317 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_default >> 16) & 0xff;
1318 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_default >> 24) & 0xff;
1319 	spin_unlock_irq(&ensoniq->reg_lock);
1320 	return 0;
1321 }
1322 
1323 static int snd_ens1373_spdif_default_put(struct snd_kcontrol *kcontrol,
1324                                          struct snd_ctl_elem_value *ucontrol)
1325 {
1326 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1327 	unsigned int val;
1328 	int change;
1329 
1330 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1331 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1332 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1333 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1334 	spin_lock_irq(&ensoniq->reg_lock);
1335 	change = ensoniq->spdif_default != val;
1336 	ensoniq->spdif_default = val;
1337 	if (change && ensoniq->playback1_substream == NULL &&
1338 	    ensoniq->playback2_substream == NULL)
1339 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1340 	spin_unlock_irq(&ensoniq->reg_lock);
1341 	return change;
1342 }
1343 
1344 static int snd_ens1373_spdif_mask_get(struct snd_kcontrol *kcontrol,
1345 				      struct snd_ctl_elem_value *ucontrol)
1346 {
1347 	ucontrol->value.iec958.status[0] = 0xff;
1348 	ucontrol->value.iec958.status[1] = 0xff;
1349 	ucontrol->value.iec958.status[2] = 0xff;
1350 	ucontrol->value.iec958.status[3] = 0xff;
1351 	return 0;
1352 }
1353 
1354 static int snd_ens1373_spdif_stream_get(struct snd_kcontrol *kcontrol,
1355 					struct snd_ctl_elem_value *ucontrol)
1356 {
1357 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1358 	spin_lock_irq(&ensoniq->reg_lock);
1359 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_stream >> 0) & 0xff;
1360 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_stream >> 8) & 0xff;
1361 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_stream >> 16) & 0xff;
1362 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_stream >> 24) & 0xff;
1363 	spin_unlock_irq(&ensoniq->reg_lock);
1364 	return 0;
1365 }
1366 
1367 static int snd_ens1373_spdif_stream_put(struct snd_kcontrol *kcontrol,
1368                                         struct snd_ctl_elem_value *ucontrol)
1369 {
1370 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1371 	unsigned int val;
1372 	int change;
1373 
1374 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1375 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1376 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1377 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1378 	spin_lock_irq(&ensoniq->reg_lock);
1379 	change = ensoniq->spdif_stream != val;
1380 	ensoniq->spdif_stream = val;
1381 	if (change && (ensoniq->playback1_substream != NULL ||
1382 		       ensoniq->playback2_substream != NULL))
1383 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1384 	spin_unlock_irq(&ensoniq->reg_lock);
1385 	return change;
1386 }
1387 
1388 #define ES1371_SPDIF(xname) \
1389 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_es1371_spdif_info, \
1390   .get = snd_es1371_spdif_get, .put = snd_es1371_spdif_put }
1391 
1392 #define snd_es1371_spdif_info		snd_ctl_boolean_mono_info
1393 
1394 static int snd_es1371_spdif_get(struct snd_kcontrol *kcontrol,
1395 				struct snd_ctl_elem_value *ucontrol)
1396 {
1397 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1398 
1399 	spin_lock_irq(&ensoniq->reg_lock);
1400 	ucontrol->value.integer.value[0] = ensoniq->ctrl & ES_1373_SPDIF_THRU ? 1 : 0;
1401 	spin_unlock_irq(&ensoniq->reg_lock);
1402 	return 0;
1403 }
1404 
1405 static int snd_es1371_spdif_put(struct snd_kcontrol *kcontrol,
1406 				struct snd_ctl_elem_value *ucontrol)
1407 {
1408 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1409 	unsigned int nval1, nval2;
1410 	int change;
1411 
1412 	nval1 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_THRU : 0;
1413 	nval2 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_EN : 0;
1414 	spin_lock_irq(&ensoniq->reg_lock);
1415 	change = (ensoniq->ctrl & ES_1373_SPDIF_THRU) != nval1;
1416 	ensoniq->ctrl &= ~ES_1373_SPDIF_THRU;
1417 	ensoniq->ctrl |= nval1;
1418 	ensoniq->cssr &= ~ES_1373_SPDIF_EN;
1419 	ensoniq->cssr |= nval2;
1420 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1421 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1422 	spin_unlock_irq(&ensoniq->reg_lock);
1423 	return change;
1424 }
1425 
1426 
1427 /* spdif controls */
1428 static const struct snd_kcontrol_new snd_es1371_mixer_spdif[] = {
1429 	ES1371_SPDIF(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH)),
1430 	{
1431 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1432 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1433 		.info =		snd_ens1373_spdif_info,
1434 		.get =		snd_ens1373_spdif_default_get,
1435 		.put =		snd_ens1373_spdif_default_put,
1436 	},
1437 	{
1438 		.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1439 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1440 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1441 		.info =		snd_ens1373_spdif_info,
1442 		.get =		snd_ens1373_spdif_mask_get
1443 	},
1444 	{
1445 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1446 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1447 		.info =		snd_ens1373_spdif_info,
1448 		.get =		snd_ens1373_spdif_stream_get,
1449 		.put =		snd_ens1373_spdif_stream_put
1450 	},
1451 };
1452 
1453 
1454 #define snd_es1373_rear_info		snd_ctl_boolean_mono_info
1455 
1456 static int snd_es1373_rear_get(struct snd_kcontrol *kcontrol,
1457 			       struct snd_ctl_elem_value *ucontrol)
1458 {
1459 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1460 	int val = 0;
1461 
1462 	spin_lock_irq(&ensoniq->reg_lock);
1463 	if ((ensoniq->cssr & (ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|
1464 			      ES_1373_REAR_BIT24)) == ES_1373_REAR_BIT26)
1465 	    	val = 1;
1466 	ucontrol->value.integer.value[0] = val;
1467 	spin_unlock_irq(&ensoniq->reg_lock);
1468 	return 0;
1469 }
1470 
1471 static int snd_es1373_rear_put(struct snd_kcontrol *kcontrol,
1472 			       struct snd_ctl_elem_value *ucontrol)
1473 {
1474 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1475 	unsigned int nval1;
1476 	int change;
1477 
1478 	nval1 = ucontrol->value.integer.value[0] ?
1479 		ES_1373_REAR_BIT26 : (ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1480 	spin_lock_irq(&ensoniq->reg_lock);
1481 	change = (ensoniq->cssr & (ES_1373_REAR_BIT27|
1482 				   ES_1373_REAR_BIT26|ES_1373_REAR_BIT24)) != nval1;
1483 	ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|ES_1373_REAR_BIT24);
1484 	ensoniq->cssr |= nval1;
1485 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1486 	spin_unlock_irq(&ensoniq->reg_lock);
1487 	return change;
1488 }
1489 
1490 static const struct snd_kcontrol_new snd_ens1373_rear =
1491 {
1492 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1493 	.name =		"AC97 2ch->4ch Copy Switch",
1494 	.info =		snd_es1373_rear_info,
1495 	.get =		snd_es1373_rear_get,
1496 	.put =		snd_es1373_rear_put,
1497 };
1498 
1499 #define snd_es1373_line_info		snd_ctl_boolean_mono_info
1500 
1501 static int snd_es1373_line_get(struct snd_kcontrol *kcontrol,
1502 			       struct snd_ctl_elem_value *ucontrol)
1503 {
1504 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1505 	int val = 0;
1506 
1507 	spin_lock_irq(&ensoniq->reg_lock);
1508 	if (ensoniq->ctrl & ES_1371_GPIO_OUT(4))
1509 	    	val = 1;
1510 	ucontrol->value.integer.value[0] = val;
1511 	spin_unlock_irq(&ensoniq->reg_lock);
1512 	return 0;
1513 }
1514 
1515 static int snd_es1373_line_put(struct snd_kcontrol *kcontrol,
1516 			       struct snd_ctl_elem_value *ucontrol)
1517 {
1518 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1519 	int changed;
1520 	unsigned int ctrl;
1521 
1522 	spin_lock_irq(&ensoniq->reg_lock);
1523 	ctrl = ensoniq->ctrl;
1524 	if (ucontrol->value.integer.value[0])
1525 		ensoniq->ctrl |= ES_1371_GPIO_OUT(4);	/* switch line-in -> rear out */
1526 	else
1527 		ensoniq->ctrl &= ~ES_1371_GPIO_OUT(4);
1528 	changed = (ctrl != ensoniq->ctrl);
1529 	if (changed)
1530 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1531 	spin_unlock_irq(&ensoniq->reg_lock);
1532 	return changed;
1533 }
1534 
1535 static const struct snd_kcontrol_new snd_ens1373_line =
1536 {
1537 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1538 	.name =		"Line In->Rear Out Switch",
1539 	.info =		snd_es1373_line_info,
1540 	.get =		snd_es1373_line_get,
1541 	.put =		snd_es1373_line_put,
1542 };
1543 
1544 static void snd_ensoniq_mixer_free_ac97(struct snd_ac97 *ac97)
1545 {
1546 	struct ensoniq *ensoniq = ac97->private_data;
1547 	ensoniq->u.es1371.ac97 = NULL;
1548 }
1549 
1550 struct es1371_quirk {
1551 	unsigned short vid;		/* vendor ID */
1552 	unsigned short did;		/* device ID */
1553 	unsigned char rev;		/* revision */
1554 };
1555 
1556 static int es1371_quirk_lookup(struct ensoniq *ensoniq,
1557 			       const struct es1371_quirk *list)
1558 {
1559 	while (list->vid != (unsigned short)PCI_ANY_ID) {
1560 		if (ensoniq->pci->vendor == list->vid &&
1561 		    ensoniq->pci->device == list->did &&
1562 		    ensoniq->rev == list->rev)
1563 			return 1;
1564 		list++;
1565 	}
1566 	return 0;
1567 }
1568 
1569 static const struct es1371_quirk es1371_spdif_present[] = {
1570 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1571 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1572 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1573 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1574 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1575 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1576 };
1577 
1578 static const struct snd_pci_quirk ens1373_line_quirk[] = {
1579 	SND_PCI_QUIRK_ID(0x1274, 0x2000), /* GA-7DXR */
1580 	SND_PCI_QUIRK_ID(0x1458, 0xa000), /* GA-8IEXP */
1581 	{ } /* end */
1582 };
1583 
1584 static int snd_ensoniq_1371_mixer(struct ensoniq *ensoniq,
1585 				  int has_spdif, int has_line)
1586 {
1587 	struct snd_card *card = ensoniq->card;
1588 	struct snd_ac97_bus *pbus;
1589 	struct snd_ac97_template ac97;
1590 	int err;
1591 	static const struct snd_ac97_bus_ops ops = {
1592 		.write = snd_es1371_codec_write,
1593 		.read = snd_es1371_codec_read,
1594 		.wait = snd_es1371_codec_wait,
1595 	};
1596 
1597 	if ((err = snd_ac97_bus(card, 0, &ops, NULL, &pbus)) < 0)
1598 		return err;
1599 
1600 	memset(&ac97, 0, sizeof(ac97));
1601 	ac97.private_data = ensoniq;
1602 	ac97.private_free = snd_ensoniq_mixer_free_ac97;
1603 	ac97.pci = ensoniq->pci;
1604 	ac97.scaps = AC97_SCAP_AUDIO;
1605 	if ((err = snd_ac97_mixer(pbus, &ac97, &ensoniq->u.es1371.ac97)) < 0)
1606 		return err;
1607 	if (has_spdif > 0 ||
1608 	    (!has_spdif && es1371_quirk_lookup(ensoniq, es1371_spdif_present))) {
1609 		struct snd_kcontrol *kctl;
1610 		int i, is_spdif = 0;
1611 
1612 		ensoniq->spdif_default = ensoniq->spdif_stream =
1613 			SNDRV_PCM_DEFAULT_CON_SPDIF;
1614 		outl(ensoniq->spdif_default, ES_REG(ensoniq, CHANNEL_STATUS));
1615 
1616 		if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SPDIF)
1617 			is_spdif++;
1618 
1619 		for (i = 0; i < ARRAY_SIZE(snd_es1371_mixer_spdif); i++) {
1620 			kctl = snd_ctl_new1(&snd_es1371_mixer_spdif[i], ensoniq);
1621 			if (!kctl)
1622 				return -ENOMEM;
1623 			kctl->id.index = is_spdif;
1624 			err = snd_ctl_add(card, kctl);
1625 			if (err < 0)
1626 				return err;
1627 		}
1628 	}
1629 	if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SDAC) {
1630 		/* mirror rear to front speakers */
1631 		ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1632 		ensoniq->cssr |= ES_1373_REAR_BIT26;
1633 		err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_rear, ensoniq));
1634 		if (err < 0)
1635 			return err;
1636 	}
1637 	if (has_line > 0 ||
1638 	    snd_pci_quirk_lookup(ensoniq->pci, ens1373_line_quirk)) {
1639 		 err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_line,
1640 						      ensoniq));
1641 		 if (err < 0)
1642 			 return err;
1643 	}
1644 
1645 	return 0;
1646 }
1647 
1648 #endif /* CHIP1371 */
1649 
1650 /* generic control callbacks for ens1370 */
1651 #ifdef CHIP1370
1652 #define ENSONIQ_CONTROL(xname, mask) \
1653 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = xname, .info = snd_ensoniq_control_info, \
1654   .get = snd_ensoniq_control_get, .put = snd_ensoniq_control_put, \
1655   .private_value = mask }
1656 
1657 #define snd_ensoniq_control_info	snd_ctl_boolean_mono_info
1658 
1659 static int snd_ensoniq_control_get(struct snd_kcontrol *kcontrol,
1660 				   struct snd_ctl_elem_value *ucontrol)
1661 {
1662 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1663 	int mask = kcontrol->private_value;
1664 
1665 	spin_lock_irq(&ensoniq->reg_lock);
1666 	ucontrol->value.integer.value[0] = ensoniq->ctrl & mask ? 1 : 0;
1667 	spin_unlock_irq(&ensoniq->reg_lock);
1668 	return 0;
1669 }
1670 
1671 static int snd_ensoniq_control_put(struct snd_kcontrol *kcontrol,
1672 				   struct snd_ctl_elem_value *ucontrol)
1673 {
1674 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1675 	int mask = kcontrol->private_value;
1676 	unsigned int nval;
1677 	int change;
1678 
1679 	nval = ucontrol->value.integer.value[0] ? mask : 0;
1680 	spin_lock_irq(&ensoniq->reg_lock);
1681 	change = (ensoniq->ctrl & mask) != nval;
1682 	ensoniq->ctrl &= ~mask;
1683 	ensoniq->ctrl |= nval;
1684 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1685 	spin_unlock_irq(&ensoniq->reg_lock);
1686 	return change;
1687 }
1688 
1689 /*
1690  * ENS1370 mixer
1691  */
1692 
1693 static const struct snd_kcontrol_new snd_es1370_controls[2] = {
1694 ENSONIQ_CONTROL("PCM 0 Output also on Line-In Jack", ES_1370_XCTL0),
1695 ENSONIQ_CONTROL("Mic +5V bias", ES_1370_XCTL1)
1696 };
1697 
1698 #define ES1370_CONTROLS ARRAY_SIZE(snd_es1370_controls)
1699 
1700 static void snd_ensoniq_mixer_free_ak4531(struct snd_ak4531 *ak4531)
1701 {
1702 	struct ensoniq *ensoniq = ak4531->private_data;
1703 	ensoniq->u.es1370.ak4531 = NULL;
1704 }
1705 
1706 static int snd_ensoniq_1370_mixer(struct ensoniq *ensoniq)
1707 {
1708 	struct snd_card *card = ensoniq->card;
1709 	struct snd_ak4531 ak4531;
1710 	unsigned int idx;
1711 	int err;
1712 
1713 	/* try reset AK4531 */
1714 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
1715 	inw(ES_REG(ensoniq, 1370_CODEC));
1716 	udelay(100);
1717 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
1718 	inw(ES_REG(ensoniq, 1370_CODEC));
1719 	udelay(100);
1720 
1721 	memset(&ak4531, 0, sizeof(ak4531));
1722 	ak4531.write = snd_es1370_codec_write;
1723 	ak4531.private_data = ensoniq;
1724 	ak4531.private_free = snd_ensoniq_mixer_free_ak4531;
1725 	if ((err = snd_ak4531_mixer(card, &ak4531, &ensoniq->u.es1370.ak4531)) < 0)
1726 		return err;
1727 	for (idx = 0; idx < ES1370_CONTROLS; idx++) {
1728 		err = snd_ctl_add(card, snd_ctl_new1(&snd_es1370_controls[idx], ensoniq));
1729 		if (err < 0)
1730 			return err;
1731 	}
1732 	return 0;
1733 }
1734 
1735 #endif /* CHIP1370 */
1736 
1737 #ifdef SUPPORT_JOYSTICK
1738 
1739 #ifdef CHIP1371
1740 static int snd_ensoniq_get_joystick_port(struct ensoniq *ensoniq, int dev)
1741 {
1742 	switch (joystick_port[dev]) {
1743 	case 0: /* disabled */
1744 	case 1: /* auto-detect */
1745 	case 0x200:
1746 	case 0x208:
1747 	case 0x210:
1748 	case 0x218:
1749 		return joystick_port[dev];
1750 
1751 	default:
1752 		dev_err(ensoniq->card->dev,
1753 			"invalid joystick port %#x", joystick_port[dev]);
1754 		return 0;
1755 	}
1756 }
1757 #else
1758 static int snd_ensoniq_get_joystick_port(struct ensoniq *ensoniq, int dev)
1759 {
1760 	return joystick[dev] ? 0x200 : 0;
1761 }
1762 #endif
1763 
1764 static int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, int dev)
1765 {
1766 	struct gameport *gp;
1767 	int io_port;
1768 
1769 	io_port = snd_ensoniq_get_joystick_port(ensoniq, dev);
1770 
1771 	switch (io_port) {
1772 	case 0:
1773 		return -ENOSYS;
1774 
1775 	case 1: /* auto_detect */
1776 		for (io_port = 0x200; io_port <= 0x218; io_port += 8)
1777 			if (request_region(io_port, 8, "ens137x: gameport"))
1778 				break;
1779 		if (io_port > 0x218) {
1780 			dev_warn(ensoniq->card->dev,
1781 				 "no gameport ports available\n");
1782 			return -EBUSY;
1783 		}
1784 		break;
1785 
1786 	default:
1787 		if (!request_region(io_port, 8, "ens137x: gameport")) {
1788 			dev_warn(ensoniq->card->dev,
1789 				 "gameport io port %#x in use\n",
1790 			       io_port);
1791 			return -EBUSY;
1792 		}
1793 		break;
1794 	}
1795 
1796 	ensoniq->gameport = gp = gameport_allocate_port();
1797 	if (!gp) {
1798 		dev_err(ensoniq->card->dev,
1799 			"cannot allocate memory for gameport\n");
1800 		release_region(io_port, 8);
1801 		return -ENOMEM;
1802 	}
1803 
1804 	gameport_set_name(gp, "ES137x");
1805 	gameport_set_phys(gp, "pci%s/gameport0", pci_name(ensoniq->pci));
1806 	gameport_set_dev_parent(gp, &ensoniq->pci->dev);
1807 	gp->io = io_port;
1808 
1809 	ensoniq->ctrl |= ES_JYSTK_EN;
1810 #ifdef CHIP1371
1811 	ensoniq->ctrl &= ~ES_1371_JOY_ASELM;
1812 	ensoniq->ctrl |= ES_1371_JOY_ASEL((io_port - 0x200) / 8);
1813 #endif
1814 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1815 
1816 	gameport_register_port(ensoniq->gameport);
1817 
1818 	return 0;
1819 }
1820 
1821 static void snd_ensoniq_free_gameport(struct ensoniq *ensoniq)
1822 {
1823 	if (ensoniq->gameport) {
1824 		int port = ensoniq->gameport->io;
1825 
1826 		gameport_unregister_port(ensoniq->gameport);
1827 		ensoniq->gameport = NULL;
1828 		ensoniq->ctrl &= ~ES_JYSTK_EN;
1829 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1830 		release_region(port, 8);
1831 	}
1832 }
1833 #else
1834 static inline int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, long port) { return -ENOSYS; }
1835 static inline void snd_ensoniq_free_gameport(struct ensoniq *ensoniq) { }
1836 #endif /* SUPPORT_JOYSTICK */
1837 
1838 /*
1839 
1840  */
1841 
1842 static void snd_ensoniq_proc_read(struct snd_info_entry *entry,
1843 				  struct snd_info_buffer *buffer)
1844 {
1845 	struct ensoniq *ensoniq = entry->private_data;
1846 
1847 	snd_iprintf(buffer, "Ensoniq AudioPCI " CHIP_NAME "\n\n");
1848 	snd_iprintf(buffer, "Joystick enable  : %s\n",
1849 		    ensoniq->ctrl & ES_JYSTK_EN ? "on" : "off");
1850 #ifdef CHIP1370
1851 	snd_iprintf(buffer, "MIC +5V bias     : %s\n",
1852 		    ensoniq->ctrl & ES_1370_XCTL1 ? "on" : "off");
1853 	snd_iprintf(buffer, "Line In to AOUT  : %s\n",
1854 		    ensoniq->ctrl & ES_1370_XCTL0 ? "on" : "off");
1855 #else
1856 	snd_iprintf(buffer, "Joystick port    : 0x%x\n",
1857 		    (ES_1371_JOY_ASELI(ensoniq->ctrl) * 8) + 0x200);
1858 #endif
1859 }
1860 
1861 static void snd_ensoniq_proc_init(struct ensoniq *ensoniq)
1862 {
1863 	snd_card_ro_proc_new(ensoniq->card, "audiopci", ensoniq,
1864 			     snd_ensoniq_proc_read);
1865 }
1866 
1867 /*
1868 
1869  */
1870 
1871 static int snd_ensoniq_free(struct ensoniq *ensoniq)
1872 {
1873 	snd_ensoniq_free_gameport(ensoniq);
1874 	if (ensoniq->irq < 0)
1875 		goto __hw_end;
1876 #ifdef CHIP1370
1877 	outl(ES_1370_SERR_DISABLE, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1878 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1879 #else
1880 	outl(0, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1881 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1882 #endif
1883 	pci_set_power_state(ensoniq->pci, PCI_D3hot);
1884       __hw_end:
1885 #ifdef CHIP1370
1886 	if (ensoniq->dma_bug.area)
1887 		snd_dma_free_pages(&ensoniq->dma_bug);
1888 #endif
1889 	if (ensoniq->irq >= 0)
1890 		free_irq(ensoniq->irq, ensoniq);
1891 	pci_release_regions(ensoniq->pci);
1892 	pci_disable_device(ensoniq->pci);
1893 	kfree(ensoniq);
1894 	return 0;
1895 }
1896 
1897 static int snd_ensoniq_dev_free(struct snd_device *device)
1898 {
1899 	struct ensoniq *ensoniq = device->device_data;
1900 	return snd_ensoniq_free(ensoniq);
1901 }
1902 
1903 #ifdef CHIP1371
1904 static const struct snd_pci_quirk es1371_amplifier_hack[] = {
1905 	SND_PCI_QUIRK_ID(0x107b, 0x2150),	/* Gateway Solo 2150 */
1906 	SND_PCI_QUIRK_ID(0x13bd, 0x100c),	/* EV1938 on Mebius PC-MJ100V */
1907 	SND_PCI_QUIRK_ID(0x1102, 0x5938),	/* Targa Xtender300 */
1908 	SND_PCI_QUIRK_ID(0x1102, 0x8938),	/* IPC Topnote G notebook */
1909 	{ } /* end */
1910 };
1911 
1912 static const struct es1371_quirk es1371_ac97_reset_hack[] = {
1913 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1914 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1915 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1916 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1917 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1918 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1919 };
1920 #endif
1921 
1922 static void snd_ensoniq_chip_init(struct ensoniq *ensoniq)
1923 {
1924 #ifdef CHIP1371
1925 	int idx;
1926 #endif
1927 	/* this code was part of snd_ensoniq_create before intruduction
1928 	  * of suspend/resume
1929 	  */
1930 #ifdef CHIP1370
1931 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1932 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1933 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1934 	outl(ensoniq->dma_bug.addr, ES_REG(ensoniq, PHANTOM_FRAME));
1935 	outl(0, ES_REG(ensoniq, PHANTOM_COUNT));
1936 #else
1937 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1938 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1939 	outl(0, ES_REG(ensoniq, 1371_LEGACY));
1940 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack)) {
1941 	    outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1942 	    /* need to delay around 20ms(bleech) to give
1943 	       some CODECs enough time to wakeup */
1944 	    msleep(20);
1945 	}
1946 	/* AC'97 warm reset to start the bitclk */
1947 	outl(ensoniq->ctrl | ES_1371_SYNC_RES, ES_REG(ensoniq, CONTROL));
1948 	inl(ES_REG(ensoniq, CONTROL));
1949 	udelay(20);
1950 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1951 	/* Init the sample rate converter */
1952 	snd_es1371_wait_src_ready(ensoniq);
1953 	outl(ES_1371_SRC_DISABLE, ES_REG(ensoniq, 1371_SMPRATE));
1954 	for (idx = 0; idx < 0x80; idx++)
1955 		snd_es1371_src_write(ensoniq, idx, 0);
1956 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_TRUNC_N, 16 << 4);
1957 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS, 16 << 10);
1958 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_TRUNC_N, 16 << 4);
1959 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS, 16 << 10);
1960 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, 1 << 12);
1961 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, 1 << 12);
1962 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1, 1 << 12);
1963 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1 + 1, 1 << 12);
1964 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2, 1 << 12);
1965 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2 + 1, 1 << 12);
1966 	snd_es1371_adc_rate(ensoniq, 22050);
1967 	snd_es1371_dac1_rate(ensoniq, 22050);
1968 	snd_es1371_dac2_rate(ensoniq, 22050);
1969 	/* WARNING:
1970 	 * enabling the sample rate converter without properly programming
1971 	 * its parameters causes the chip to lock up (the SRC busy bit will
1972 	 * be stuck high, and I've found no way to rectify this other than
1973 	 * power cycle) - Thomas Sailer
1974 	 */
1975 	snd_es1371_wait_src_ready(ensoniq);
1976 	outl(0, ES_REG(ensoniq, 1371_SMPRATE));
1977 	/* try reset codec directly */
1978 	outl(ES_1371_CODEC_WRITE(0, 0), ES_REG(ensoniq, 1371_CODEC));
1979 #endif
1980 	outb(ensoniq->uartc = 0x00, ES_REG(ensoniq, UART_CONTROL));
1981 	outb(0x00, ES_REG(ensoniq, UART_RES));
1982 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1983 }
1984 
1985 #ifdef CONFIG_PM_SLEEP
1986 static int snd_ensoniq_suspend(struct device *dev)
1987 {
1988 	struct snd_card *card = dev_get_drvdata(dev);
1989 	struct ensoniq *ensoniq = card->private_data;
1990 
1991 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1992 
1993 #ifdef CHIP1371
1994 	snd_ac97_suspend(ensoniq->u.es1371.ac97);
1995 #else
1996 	/* try to reset AK4531 */
1997 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
1998 	inw(ES_REG(ensoniq, 1370_CODEC));
1999 	udelay(100);
2000 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
2001 	inw(ES_REG(ensoniq, 1370_CODEC));
2002 	udelay(100);
2003 	snd_ak4531_suspend(ensoniq->u.es1370.ak4531);
2004 #endif
2005 	return 0;
2006 }
2007 
2008 static int snd_ensoniq_resume(struct device *dev)
2009 {
2010 	struct snd_card *card = dev_get_drvdata(dev);
2011 	struct ensoniq *ensoniq = card->private_data;
2012 
2013 	snd_ensoniq_chip_init(ensoniq);
2014 
2015 #ifdef CHIP1371
2016 	snd_ac97_resume(ensoniq->u.es1371.ac97);
2017 #else
2018 	snd_ak4531_resume(ensoniq->u.es1370.ak4531);
2019 #endif
2020 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2021 	return 0;
2022 }
2023 
2024 static SIMPLE_DEV_PM_OPS(snd_ensoniq_pm, snd_ensoniq_suspend, snd_ensoniq_resume);
2025 #define SND_ENSONIQ_PM_OPS	&snd_ensoniq_pm
2026 #else
2027 #define SND_ENSONIQ_PM_OPS	NULL
2028 #endif /* CONFIG_PM_SLEEP */
2029 
2030 static int snd_ensoniq_create(struct snd_card *card,
2031 			      struct pci_dev *pci,
2032 			      struct ensoniq **rensoniq)
2033 {
2034 	struct ensoniq *ensoniq;
2035 	int err;
2036 	static const struct snd_device_ops ops = {
2037 		.dev_free =	snd_ensoniq_dev_free,
2038 	};
2039 
2040 	*rensoniq = NULL;
2041 	if ((err = pci_enable_device(pci)) < 0)
2042 		return err;
2043 	ensoniq = kzalloc(sizeof(*ensoniq), GFP_KERNEL);
2044 	if (ensoniq == NULL) {
2045 		pci_disable_device(pci);
2046 		return -ENOMEM;
2047 	}
2048 	spin_lock_init(&ensoniq->reg_lock);
2049 	mutex_init(&ensoniq->src_mutex);
2050 	ensoniq->card = card;
2051 	ensoniq->pci = pci;
2052 	ensoniq->irq = -1;
2053 	if ((err = pci_request_regions(pci, "Ensoniq AudioPCI")) < 0) {
2054 		kfree(ensoniq);
2055 		pci_disable_device(pci);
2056 		return err;
2057 	}
2058 	ensoniq->port = pci_resource_start(pci, 0);
2059 	if (request_irq(pci->irq, snd_audiopci_interrupt, IRQF_SHARED,
2060 			KBUILD_MODNAME, ensoniq)) {
2061 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2062 		snd_ensoniq_free(ensoniq);
2063 		return -EBUSY;
2064 	}
2065 	ensoniq->irq = pci->irq;
2066 	card->sync_irq = ensoniq->irq;
2067 #ifdef CHIP1370
2068 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2069 				16, &ensoniq->dma_bug) < 0) {
2070 		dev_err(card->dev, "unable to allocate space for phantom area - dma_bug\n");
2071 		snd_ensoniq_free(ensoniq);
2072 		return -EBUSY;
2073 	}
2074 #endif
2075 	pci_set_master(pci);
2076 	ensoniq->rev = pci->revision;
2077 #ifdef CHIP1370
2078 #if 0
2079 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_SERR_DISABLE |
2080 		ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2081 #else	/* get microphone working */
2082 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2083 #endif
2084 	ensoniq->sctrl = 0;
2085 #else
2086 	ensoniq->ctrl = 0;
2087 	ensoniq->sctrl = 0;
2088 	ensoniq->cssr = 0;
2089 	if (snd_pci_quirk_lookup(pci, es1371_amplifier_hack))
2090 		ensoniq->ctrl |= ES_1371_GPIO_OUT(1);	/* turn amplifier on */
2091 
2092 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack))
2093 		ensoniq->cssr |= ES_1371_ST_AC97_RST;
2094 #endif
2095 
2096 	snd_ensoniq_chip_init(ensoniq);
2097 
2098 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ensoniq, &ops)) < 0) {
2099 		snd_ensoniq_free(ensoniq);
2100 		return err;
2101 	}
2102 
2103 	snd_ensoniq_proc_init(ensoniq);
2104 
2105 	*rensoniq = ensoniq;
2106 	return 0;
2107 }
2108 
2109 /*
2110  *  MIDI section
2111  */
2112 
2113 static void snd_ensoniq_midi_interrupt(struct ensoniq * ensoniq)
2114 {
2115 	struct snd_rawmidi *rmidi = ensoniq->rmidi;
2116 	unsigned char status, mask, byte;
2117 
2118 	if (rmidi == NULL)
2119 		return;
2120 	/* do Rx at first */
2121 	spin_lock(&ensoniq->reg_lock);
2122 	mask = ensoniq->uartm & ES_MODE_INPUT ? ES_RXRDY : 0;
2123 	while (mask) {
2124 		status = inb(ES_REG(ensoniq, UART_STATUS));
2125 		if ((status & mask) == 0)
2126 			break;
2127 		byte = inb(ES_REG(ensoniq, UART_DATA));
2128 		snd_rawmidi_receive(ensoniq->midi_input, &byte, 1);
2129 	}
2130 	spin_unlock(&ensoniq->reg_lock);
2131 
2132 	/* do Tx at second */
2133 	spin_lock(&ensoniq->reg_lock);
2134 	mask = ensoniq->uartm & ES_MODE_OUTPUT ? ES_TXRDY : 0;
2135 	while (mask) {
2136 		status = inb(ES_REG(ensoniq, UART_STATUS));
2137 		if ((status & mask) == 0)
2138 			break;
2139 		if (snd_rawmidi_transmit(ensoniq->midi_output, &byte, 1) != 1) {
2140 			ensoniq->uartc &= ~ES_TXINTENM;
2141 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2142 			mask &= ~ES_TXRDY;
2143 		} else {
2144 			outb(byte, ES_REG(ensoniq, UART_DATA));
2145 		}
2146 	}
2147 	spin_unlock(&ensoniq->reg_lock);
2148 }
2149 
2150 static int snd_ensoniq_midi_input_open(struct snd_rawmidi_substream *substream)
2151 {
2152 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2153 
2154 	spin_lock_irq(&ensoniq->reg_lock);
2155 	ensoniq->uartm |= ES_MODE_INPUT;
2156 	ensoniq->midi_input = substream;
2157 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2158 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2159 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2160 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2161 	}
2162 	spin_unlock_irq(&ensoniq->reg_lock);
2163 	return 0;
2164 }
2165 
2166 static int snd_ensoniq_midi_input_close(struct snd_rawmidi_substream *substream)
2167 {
2168 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2169 
2170 	spin_lock_irq(&ensoniq->reg_lock);
2171 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2172 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2173 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2174 	} else {
2175 		outb(ensoniq->uartc &= ~ES_RXINTEN, ES_REG(ensoniq, UART_CONTROL));
2176 	}
2177 	ensoniq->midi_input = NULL;
2178 	ensoniq->uartm &= ~ES_MODE_INPUT;
2179 	spin_unlock_irq(&ensoniq->reg_lock);
2180 	return 0;
2181 }
2182 
2183 static int snd_ensoniq_midi_output_open(struct snd_rawmidi_substream *substream)
2184 {
2185 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2186 
2187 	spin_lock_irq(&ensoniq->reg_lock);
2188 	ensoniq->uartm |= ES_MODE_OUTPUT;
2189 	ensoniq->midi_output = substream;
2190 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2191 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2192 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2193 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2194 	}
2195 	spin_unlock_irq(&ensoniq->reg_lock);
2196 	return 0;
2197 }
2198 
2199 static int snd_ensoniq_midi_output_close(struct snd_rawmidi_substream *substream)
2200 {
2201 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2202 
2203 	spin_lock_irq(&ensoniq->reg_lock);
2204 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2205 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2206 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2207 	} else {
2208 		outb(ensoniq->uartc &= ~ES_TXINTENM, ES_REG(ensoniq, UART_CONTROL));
2209 	}
2210 	ensoniq->midi_output = NULL;
2211 	ensoniq->uartm &= ~ES_MODE_OUTPUT;
2212 	spin_unlock_irq(&ensoniq->reg_lock);
2213 	return 0;
2214 }
2215 
2216 static void snd_ensoniq_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
2217 {
2218 	unsigned long flags;
2219 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2220 	int idx;
2221 
2222 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2223 	if (up) {
2224 		if ((ensoniq->uartc & ES_RXINTEN) == 0) {
2225 			/* empty input FIFO */
2226 			for (idx = 0; idx < 32; idx++)
2227 				inb(ES_REG(ensoniq, UART_DATA));
2228 			ensoniq->uartc |= ES_RXINTEN;
2229 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2230 		}
2231 	} else {
2232 		if (ensoniq->uartc & ES_RXINTEN) {
2233 			ensoniq->uartc &= ~ES_RXINTEN;
2234 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2235 		}
2236 	}
2237 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2238 }
2239 
2240 static void snd_ensoniq_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
2241 {
2242 	unsigned long flags;
2243 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2244 	unsigned char byte;
2245 
2246 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2247 	if (up) {
2248 		if (ES_TXINTENI(ensoniq->uartc) == 0) {
2249 			ensoniq->uartc |= ES_TXINTENO(1);
2250 			/* fill UART FIFO buffer at first, and turn Tx interrupts only if necessary */
2251 			while (ES_TXINTENI(ensoniq->uartc) == 1 &&
2252 			       (inb(ES_REG(ensoniq, UART_STATUS)) & ES_TXRDY)) {
2253 				if (snd_rawmidi_transmit(substream, &byte, 1) != 1) {
2254 					ensoniq->uartc &= ~ES_TXINTENM;
2255 				} else {
2256 					outb(byte, ES_REG(ensoniq, UART_DATA));
2257 				}
2258 			}
2259 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2260 		}
2261 	} else {
2262 		if (ES_TXINTENI(ensoniq->uartc) == 1) {
2263 			ensoniq->uartc &= ~ES_TXINTENM;
2264 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2265 		}
2266 	}
2267 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2268 }
2269 
2270 static const struct snd_rawmidi_ops snd_ensoniq_midi_output =
2271 {
2272 	.open =		snd_ensoniq_midi_output_open,
2273 	.close =	snd_ensoniq_midi_output_close,
2274 	.trigger =	snd_ensoniq_midi_output_trigger,
2275 };
2276 
2277 static const struct snd_rawmidi_ops snd_ensoniq_midi_input =
2278 {
2279 	.open =		snd_ensoniq_midi_input_open,
2280 	.close =	snd_ensoniq_midi_input_close,
2281 	.trigger =	snd_ensoniq_midi_input_trigger,
2282 };
2283 
2284 static int snd_ensoniq_midi(struct ensoniq *ensoniq, int device)
2285 {
2286 	struct snd_rawmidi *rmidi;
2287 	int err;
2288 
2289 	if ((err = snd_rawmidi_new(ensoniq->card, "ES1370/1", device, 1, 1, &rmidi)) < 0)
2290 		return err;
2291 	strcpy(rmidi->name, CHIP_NAME);
2292 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_ensoniq_midi_output);
2293 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_ensoniq_midi_input);
2294 	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT |
2295 		SNDRV_RAWMIDI_INFO_DUPLEX;
2296 	rmidi->private_data = ensoniq;
2297 	ensoniq->rmidi = rmidi;
2298 	return 0;
2299 }
2300 
2301 /*
2302  *  Interrupt handler
2303  */
2304 
2305 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id)
2306 {
2307 	struct ensoniq *ensoniq = dev_id;
2308 	unsigned int status, sctrl;
2309 
2310 	if (ensoniq == NULL)
2311 		return IRQ_NONE;
2312 
2313 	status = inl(ES_REG(ensoniq, STATUS));
2314 	if (!(status & ES_INTR))
2315 		return IRQ_NONE;
2316 
2317 	spin_lock(&ensoniq->reg_lock);
2318 	sctrl = ensoniq->sctrl;
2319 	if (status & ES_DAC1)
2320 		sctrl &= ~ES_P1_INT_EN;
2321 	if (status & ES_DAC2)
2322 		sctrl &= ~ES_P2_INT_EN;
2323 	if (status & ES_ADC)
2324 		sctrl &= ~ES_R1_INT_EN;
2325 	outl(sctrl, ES_REG(ensoniq, SERIAL));
2326 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
2327 	spin_unlock(&ensoniq->reg_lock);
2328 
2329 	if (status & ES_UART)
2330 		snd_ensoniq_midi_interrupt(ensoniq);
2331 	if ((status & ES_DAC2) && ensoniq->playback2_substream)
2332 		snd_pcm_period_elapsed(ensoniq->playback2_substream);
2333 	if ((status & ES_ADC) && ensoniq->capture_substream)
2334 		snd_pcm_period_elapsed(ensoniq->capture_substream);
2335 	if ((status & ES_DAC1) && ensoniq->playback1_substream)
2336 		snd_pcm_period_elapsed(ensoniq->playback1_substream);
2337 	return IRQ_HANDLED;
2338 }
2339 
2340 static int snd_audiopci_probe(struct pci_dev *pci,
2341 			      const struct pci_device_id *pci_id)
2342 {
2343 	static int dev;
2344 	struct snd_card *card;
2345 	struct ensoniq *ensoniq;
2346 	int err;
2347 
2348 	if (dev >= SNDRV_CARDS)
2349 		return -ENODEV;
2350 	if (!enable[dev]) {
2351 		dev++;
2352 		return -ENOENT;
2353 	}
2354 
2355 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2356 			   0, &card);
2357 	if (err < 0)
2358 		return err;
2359 
2360 	if ((err = snd_ensoniq_create(card, pci, &ensoniq)) < 0) {
2361 		snd_card_free(card);
2362 		return err;
2363 	}
2364 	card->private_data = ensoniq;
2365 
2366 #ifdef CHIP1370
2367 	if ((err = snd_ensoniq_1370_mixer(ensoniq)) < 0) {
2368 		snd_card_free(card);
2369 		return err;
2370 	}
2371 #endif
2372 #ifdef CHIP1371
2373 	if ((err = snd_ensoniq_1371_mixer(ensoniq, spdif[dev], lineio[dev])) < 0) {
2374 		snd_card_free(card);
2375 		return err;
2376 	}
2377 #endif
2378 	if ((err = snd_ensoniq_pcm(ensoniq, 0)) < 0) {
2379 		snd_card_free(card);
2380 		return err;
2381 	}
2382 	if ((err = snd_ensoniq_pcm2(ensoniq, 1)) < 0) {
2383 		snd_card_free(card);
2384 		return err;
2385 	}
2386 	if ((err = snd_ensoniq_midi(ensoniq, 0)) < 0) {
2387 		snd_card_free(card);
2388 		return err;
2389 	}
2390 
2391 	snd_ensoniq_create_gameport(ensoniq, dev);
2392 
2393 	strcpy(card->driver, DRIVER_NAME);
2394 
2395 	strcpy(card->shortname, "Ensoniq AudioPCI");
2396 	sprintf(card->longname, "%s %s at 0x%lx, irq %i",
2397 		card->shortname,
2398 		card->driver,
2399 		ensoniq->port,
2400 		ensoniq->irq);
2401 
2402 	if ((err = snd_card_register(card)) < 0) {
2403 		snd_card_free(card);
2404 		return err;
2405 	}
2406 
2407 	pci_set_drvdata(pci, card);
2408 	dev++;
2409 	return 0;
2410 }
2411 
2412 static void snd_audiopci_remove(struct pci_dev *pci)
2413 {
2414 	snd_card_free(pci_get_drvdata(pci));
2415 }
2416 
2417 static struct pci_driver ens137x_driver = {
2418 	.name = KBUILD_MODNAME,
2419 	.id_table = snd_audiopci_ids,
2420 	.probe = snd_audiopci_probe,
2421 	.remove = snd_audiopci_remove,
2422 	.driver = {
2423 		.pm = SND_ENSONIQ_PM_OPS,
2424 	},
2425 };
2426 
2427 module_pci_driver(ens137x_driver);
2428