xref: /openbmc/linux/sound/pci/ens1370.c (revision 85ab3738)
1 /*
2  *  Driver for Ensoniq ES1370/ES1371 AudioPCI soundcard
3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
4  *		     Thomas Sailer <sailer@ife.ee.ethz.ch>
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 2 of the License, or
9  *   (at your option) any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  *
20  */
21 
22 /* Power-Management-Code ( CONFIG_PM )
23  * for ens1371 only ( FIXME )
24  * derived from cs4281.c, atiixp.c and via82xx.c
25  * using http://www.alsa-project.org/~tiwai/writing-an-alsa-driver/
26  * by Kurt J. Bosch
27  */
28 
29 #include <linux/io.h>
30 #include <linux/delay.h>
31 #include <linux/interrupt.h>
32 #include <linux/init.h>
33 #include <linux/pci.h>
34 #include <linux/slab.h>
35 #include <linux/gameport.h>
36 #include <linux/module.h>
37 #include <linux/mutex.h>
38 
39 #include <sound/core.h>
40 #include <sound/control.h>
41 #include <sound/pcm.h>
42 #include <sound/rawmidi.h>
43 #ifdef CHIP1371
44 #include <sound/ac97_codec.h>
45 #else
46 #include <sound/ak4531_codec.h>
47 #endif
48 #include <sound/initval.h>
49 #include <sound/asoundef.h>
50 
51 #ifndef CHIP1371
52 #undef CHIP1370
53 #define CHIP1370
54 #endif
55 
56 #ifdef CHIP1370
57 #define DRIVER_NAME "ENS1370"
58 #define CHIP_NAME "ES1370" /* it can be ENS but just to keep compatibility... */
59 #else
60 #define DRIVER_NAME "ENS1371"
61 #define CHIP_NAME "ES1371"
62 #endif
63 
64 
65 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Thomas Sailer <sailer@ife.ee.ethz.ch>");
66 MODULE_LICENSE("GPL");
67 #ifdef CHIP1370
68 MODULE_DESCRIPTION("Ensoniq AudioPCI ES1370");
69 MODULE_SUPPORTED_DEVICE("{{Ensoniq,AudioPCI-97 ES1370},"
70 	        "{Creative Labs,SB PCI64/128 (ES1370)}}");
71 #endif
72 #ifdef CHIP1371
73 MODULE_DESCRIPTION("Ensoniq/Creative AudioPCI ES1371+");
74 MODULE_SUPPORTED_DEVICE("{{Ensoniq,AudioPCI ES1371/73},"
75 		"{Ensoniq,AudioPCI ES1373},"
76 		"{Creative Labs,Ectiva EV1938},"
77 		"{Creative Labs,SB PCI64/128 (ES1371/73)},"
78 		"{Creative Labs,Vibra PCI128},"
79 		"{Ectiva,EV1938}}");
80 #endif
81 
82 #if IS_REACHABLE(CONFIG_GAMEPORT)
83 #define SUPPORT_JOYSTICK
84 #endif
85 
86 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
87 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
88 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable switches */
89 #ifdef SUPPORT_JOYSTICK
90 #ifdef CHIP1371
91 static int joystick_port[SNDRV_CARDS];
92 #else
93 static bool joystick[SNDRV_CARDS];
94 #endif
95 #endif
96 #ifdef CHIP1371
97 static int spdif[SNDRV_CARDS];
98 static int lineio[SNDRV_CARDS];
99 #endif
100 
101 module_param_array(index, int, NULL, 0444);
102 MODULE_PARM_DESC(index, "Index value for Ensoniq AudioPCI soundcard.");
103 module_param_array(id, charp, NULL, 0444);
104 MODULE_PARM_DESC(id, "ID string for Ensoniq AudioPCI soundcard.");
105 module_param_array(enable, bool, NULL, 0444);
106 MODULE_PARM_DESC(enable, "Enable Ensoniq AudioPCI soundcard.");
107 #ifdef SUPPORT_JOYSTICK
108 #ifdef CHIP1371
109 module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
110 MODULE_PARM_DESC(joystick_port, "Joystick port address.");
111 #else
112 module_param_array(joystick, bool, NULL, 0444);
113 MODULE_PARM_DESC(joystick, "Enable joystick.");
114 #endif
115 #endif /* SUPPORT_JOYSTICK */
116 #ifdef CHIP1371
117 module_param_array(spdif, int, NULL, 0444);
118 MODULE_PARM_DESC(spdif, "S/PDIF output (-1 = none, 0 = auto, 1 = force).");
119 module_param_array(lineio, int, NULL, 0444);
120 MODULE_PARM_DESC(lineio, "Line In to Rear Out (0 = auto, 1 = force).");
121 #endif
122 
123 /* ES1371 chip ID */
124 /* This is a little confusing because all ES1371 compatible chips have the
125    same DEVICE_ID, the only thing differentiating them is the REV_ID field.
126    This is only significant if you want to enable features on the later parts.
127    Yes, I know it's stupid and why didn't we use the sub IDs?
128 */
129 #define ES1371REV_ES1373_A  0x04
130 #define ES1371REV_ES1373_B  0x06
131 #define ES1371REV_CT5880_A  0x07
132 #define CT5880REV_CT5880_C  0x02
133 #define CT5880REV_CT5880_D  0x03	/* ??? -jk */
134 #define CT5880REV_CT5880_E  0x04	/* mw */
135 #define ES1371REV_ES1371_B  0x09
136 #define EV1938REV_EV1938_A  0x00
137 #define ES1371REV_ES1373_8  0x08
138 
139 /*
140  * Direct registers
141  */
142 
143 #define ES_REG(ensoniq, x) ((ensoniq)->port + ES_REG_##x)
144 
145 #define ES_REG_CONTROL	0x00	/* R/W: Interrupt/Chip select control register */
146 #define   ES_1370_ADC_STOP	(1<<31)		/* disable capture buffer transfers */
147 #define   ES_1370_XCTL1 	(1<<30)		/* general purpose output bit */
148 #define   ES_1373_BYPASS_P1	(1<<31)		/* bypass SRC for PB1 */
149 #define   ES_1373_BYPASS_P2	(1<<30)		/* bypass SRC for PB2 */
150 #define   ES_1373_BYPASS_R	(1<<29)		/* bypass SRC for REC */
151 #define   ES_1373_TEST_BIT	(1<<28)		/* should be set to 0 for normal operation */
152 #define   ES_1373_RECEN_B	(1<<27)		/* mix record with playback for I2S/SPDIF out */
153 #define   ES_1373_SPDIF_THRU	(1<<26)		/* 0 = SPDIF thru mode, 1 = SPDIF == dig out */
154 #define   ES_1371_JOY_ASEL(o)	(((o)&0x03)<<24)/* joystick port mapping */
155 #define   ES_1371_JOY_ASELM	(0x03<<24)	/* mask for above */
156 #define   ES_1371_JOY_ASELI(i)  (((i)>>24)&0x03)
157 #define   ES_1371_GPIO_IN(i)	(((i)>>20)&0x0f)/* GPIO in [3:0] pins - R/O */
158 #define   ES_1370_PCLKDIVO(o)	(((o)&0x1fff)<<16)/* clock divide ratio for DAC2 */
159 #define   ES_1370_PCLKDIVM	((0x1fff)<<16)	/* mask for above */
160 #define   ES_1370_PCLKDIVI(i)	(((i)>>16)&0x1fff)/* clock divide ratio for DAC2 */
161 #define   ES_1371_GPIO_OUT(o)	(((o)&0x0f)<<16)/* GPIO out [3:0] pins - W/R */
162 #define   ES_1371_GPIO_OUTM     (0x0f<<16)	/* mask for above */
163 #define   ES_MSFMTSEL		(1<<15)		/* MPEG serial data format; 0 = SONY, 1 = I2S */
164 #define   ES_1370_M_SBB		(1<<14)		/* clock source for DAC - 0 = clock generator; 1 = MPEG clocks */
165 #define   ES_1371_SYNC_RES	(1<<14)		/* Warm AC97 reset */
166 #define   ES_1370_WTSRSEL(o)	(((o)&0x03)<<12)/* fixed frequency clock for DAC1 */
167 #define   ES_1370_WTSRSELM	(0x03<<12)	/* mask for above */
168 #define   ES_1371_ADC_STOP	(1<<13)		/* disable CCB transfer capture information */
169 #define   ES_1371_PWR_INTRM	(1<<12)		/* power level change interrupts enable */
170 #define   ES_1370_DAC_SYNC	(1<<11)		/* DAC's are synchronous */
171 #define   ES_1371_M_CB		(1<<11)		/* capture clock source; 0 = AC'97 ADC; 1 = I2S */
172 #define   ES_CCB_INTRM		(1<<10)		/* CCB voice interrupts enable */
173 #define   ES_1370_M_CB		(1<<9)		/* capture clock source; 0 = ADC; 1 = MPEG */
174 #define   ES_1370_XCTL0		(1<<8)		/* generap purpose output bit */
175 #define   ES_1371_PDLEV(o)	(((o)&0x03)<<8)	/* current power down level */
176 #define   ES_1371_PDLEVM	(0x03<<8)	/* mask for above */
177 #define   ES_BREQ		(1<<7)		/* memory bus request enable */
178 #define   ES_DAC1_EN		(1<<6)		/* DAC1 playback channel enable */
179 #define   ES_DAC2_EN		(1<<5)		/* DAC2 playback channel enable */
180 #define   ES_ADC_EN		(1<<4)		/* ADC capture channel enable */
181 #define   ES_UART_EN		(1<<3)		/* UART enable */
182 #define   ES_JYSTK_EN		(1<<2)		/* Joystick module enable */
183 #define   ES_1370_CDC_EN	(1<<1)		/* Codec interface enable */
184 #define   ES_1371_XTALCKDIS	(1<<1)		/* Xtal clock disable */
185 #define   ES_1370_SERR_DISABLE	(1<<0)		/* PCI serr signal disable */
186 #define   ES_1371_PCICLKDIS     (1<<0)		/* PCI clock disable */
187 #define ES_REG_STATUS	0x04	/* R/O: Interrupt/Chip select status register */
188 #define   ES_INTR               (1<<31)		/* Interrupt is pending */
189 #define   ES_1371_ST_AC97_RST	(1<<29)		/* CT5880 AC'97 Reset bit */
190 #define   ES_1373_REAR_BIT27	(1<<27)		/* rear bits: 000 - front, 010 - mirror, 101 - separate */
191 #define   ES_1373_REAR_BIT26	(1<<26)
192 #define   ES_1373_REAR_BIT24	(1<<24)
193 #define   ES_1373_GPIO_INT_EN(o)(((o)&0x0f)<<20)/* GPIO [3:0] pins - interrupt enable */
194 #define   ES_1373_SPDIF_EN	(1<<18)		/* SPDIF enable */
195 #define   ES_1373_SPDIF_TEST	(1<<17)		/* SPDIF test */
196 #define   ES_1371_TEST          (1<<16)		/* test ASIC */
197 #define   ES_1373_GPIO_INT(i)	(((i)&0x0f)>>12)/* GPIO [3:0] pins - interrupt pending */
198 #define   ES_1370_CSTAT		(1<<10)		/* CODEC is busy or register write in progress */
199 #define   ES_1370_CBUSY         (1<<9)		/* CODEC is busy */
200 #define   ES_1370_CWRIP		(1<<8)		/* CODEC register write in progress */
201 #define   ES_1371_SYNC_ERR	(1<<8)		/* CODEC synchronization error occurred */
202 #define   ES_1371_VC(i)         (((i)>>6)&0x03)	/* voice code from CCB module */
203 #define   ES_1370_VC(i)		(((i)>>5)&0x03)	/* voice code from CCB module */
204 #define   ES_1371_MPWR          (1<<5)		/* power level interrupt pending */
205 #define   ES_MCCB		(1<<4)		/* CCB interrupt pending */
206 #define   ES_UART		(1<<3)		/* UART interrupt pending */
207 #define   ES_DAC1		(1<<2)		/* DAC1 channel interrupt pending */
208 #define   ES_DAC2		(1<<1)		/* DAC2 channel interrupt pending */
209 #define   ES_ADC		(1<<0)		/* ADC channel interrupt pending */
210 #define ES_REG_UART_DATA 0x08	/* R/W: UART data register */
211 #define ES_REG_UART_STATUS 0x09	/* R/O: UART status register */
212 #define   ES_RXINT		(1<<7)		/* RX interrupt occurred */
213 #define   ES_TXINT		(1<<2)		/* TX interrupt occurred */
214 #define   ES_TXRDY		(1<<1)		/* transmitter ready */
215 #define   ES_RXRDY		(1<<0)		/* receiver ready */
216 #define ES_REG_UART_CONTROL 0x09	/* W/O: UART control register */
217 #define   ES_RXINTEN		(1<<7)		/* RX interrupt enable */
218 #define   ES_TXINTENO(o)	(((o)&0x03)<<5)	/* TX interrupt enable */
219 #define   ES_TXINTENM		(0x03<<5)	/* mask for above */
220 #define   ES_TXINTENI(i)	(((i)>>5)&0x03)
221 #define   ES_CNTRL(o)		(((o)&0x03)<<0)	/* control */
222 #define   ES_CNTRLM		(0x03<<0)	/* mask for above */
223 #define ES_REG_UART_RES	0x0a	/* R/W: UART reserver register */
224 #define   ES_TEST_MODE		(1<<0)		/* test mode enabled */
225 #define ES_REG_MEM_PAGE	0x0c	/* R/W: Memory page register */
226 #define   ES_MEM_PAGEO(o)	(((o)&0x0f)<<0)	/* memory page select - out */
227 #define   ES_MEM_PAGEM		(0x0f<<0)	/* mask for above */
228 #define   ES_MEM_PAGEI(i)	(((i)>>0)&0x0f) /* memory page select - in */
229 #define ES_REG_1370_CODEC 0x10	/* W/O: Codec write register address */
230 #define   ES_1370_CODEC_WRITE(a,d) ((((a)&0xff)<<8)|(((d)&0xff)<<0))
231 #define ES_REG_1371_CODEC 0x14	/* W/R: Codec Read/Write register address */
232 #define   ES_1371_CODEC_RDY	   (1<<31)	/* codec ready */
233 #define   ES_1371_CODEC_WIP	   (1<<30)	/* codec register access in progress */
234 #define   EV_1938_CODEC_MAGIC	   (1<<26)
235 #define   ES_1371_CODEC_PIRD	   (1<<23)	/* codec read/write select register */
236 #define   ES_1371_CODEC_WRITE(a,d) ((((a)&0x7f)<<16)|(((d)&0xffff)<<0))
237 #define   ES_1371_CODEC_READS(a)   ((((a)&0x7f)<<16)|ES_1371_CODEC_PIRD)
238 #define   ES_1371_CODEC_READ(i)    (((i)>>0)&0xffff)
239 
240 #define ES_REG_1371_SMPRATE 0x10	/* W/R: Codec rate converter interface register */
241 #define   ES_1371_SRC_RAM_ADDRO(o) (((o)&0x7f)<<25)/* address of the sample rate converter */
242 #define   ES_1371_SRC_RAM_ADDRM	   (0x7f<<25)	/* mask for above */
243 #define   ES_1371_SRC_RAM_ADDRI(i) (((i)>>25)&0x7f)/* address of the sample rate converter */
244 #define   ES_1371_SRC_RAM_WE	   (1<<24)	/* R/W: read/write control for sample rate converter */
245 #define   ES_1371_SRC_RAM_BUSY     (1<<23)	/* R/O: sample rate memory is busy */
246 #define   ES_1371_SRC_DISABLE      (1<<22)	/* sample rate converter disable */
247 #define   ES_1371_DIS_P1	   (1<<21)	/* playback channel 1 accumulator update disable */
248 #define   ES_1371_DIS_P2	   (1<<20)	/* playback channel 1 accumulator update disable */
249 #define   ES_1371_DIS_R1	   (1<<19)	/* capture channel accumulator update disable */
250 #define   ES_1371_SRC_RAM_DATAO(o) (((o)&0xffff)<<0)/* current value of the sample rate converter */
251 #define   ES_1371_SRC_RAM_DATAM	   (0xffff<<0)	/* mask for above */
252 #define   ES_1371_SRC_RAM_DATAI(i) (((i)>>0)&0xffff)/* current value of the sample rate converter */
253 
254 #define ES_REG_1371_LEGACY 0x18	/* W/R: Legacy control/status register */
255 #define   ES_1371_JFAST		(1<<31)		/* fast joystick timing */
256 #define   ES_1371_HIB		(1<<30)		/* host interrupt blocking enable */
257 #define   ES_1371_VSB		(1<<29)		/* SB; 0 = addr 0x220xH, 1 = 0x22FxH */
258 #define   ES_1371_VMPUO(o)	(((o)&0x03)<<27)/* base register address; 0 = 0x320xH; 1 = 0x330xH; 2 = 0x340xH; 3 = 0x350xH */
259 #define   ES_1371_VMPUM		(0x03<<27)	/* mask for above */
260 #define   ES_1371_VMPUI(i)	(((i)>>27)&0x03)/* base register address */
261 #define   ES_1371_VCDCO(o)	(((o)&0x03)<<25)/* CODEC; 0 = 0x530xH; 1 = undefined; 2 = 0xe80xH; 3 = 0xF40xH */
262 #define   ES_1371_VCDCM		(0x03<<25)	/* mask for above */
263 #define   ES_1371_VCDCI(i)	(((i)>>25)&0x03)/* CODEC address */
264 #define   ES_1371_FIRQ		(1<<24)		/* force an interrupt */
265 #define   ES_1371_SDMACAP	(1<<23)		/* enable event capture for slave DMA controller */
266 #define   ES_1371_SPICAP	(1<<22)		/* enable event capture for slave IRQ controller */
267 #define   ES_1371_MDMACAP	(1<<21)		/* enable event capture for master DMA controller */
268 #define   ES_1371_MPICAP	(1<<20)		/* enable event capture for master IRQ controller */
269 #define   ES_1371_ADCAP		(1<<19)		/* enable event capture for ADLIB register; 0x388xH */
270 #define   ES_1371_SVCAP		(1<<18)		/* enable event capture for SB registers */
271 #define   ES_1371_CDCCAP	(1<<17)		/* enable event capture for CODEC registers */
272 #define   ES_1371_BACAP		(1<<16)		/* enable event capture for SoundScape base address */
273 #define   ES_1371_EXI(i)	(((i)>>8)&0x07)	/* event number */
274 #define   ES_1371_AI(i)		(((i)>>3)&0x1f)	/* event significant I/O address */
275 #define   ES_1371_WR		(1<<2)	/* event capture; 0 = read; 1 = write */
276 #define   ES_1371_LEGINT	(1<<0)	/* interrupt for legacy events; 0 = interrupt did occur */
277 
278 #define ES_REG_CHANNEL_STATUS 0x1c /* R/W: first 32-bits from S/PDIF channel status block, es1373 */
279 
280 #define ES_REG_SERIAL	0x20	/* R/W: Serial interface control register */
281 #define   ES_1371_DAC_TEST	(1<<22)		/* DAC test mode enable */
282 #define   ES_P2_END_INCO(o)	(((o)&0x07)<<19)/* binary offset value to increment / loop end */
283 #define   ES_P2_END_INCM	(0x07<<19)	/* mask for above */
284 #define   ES_P2_END_INCI(i)	(((i)>>16)&0x07)/* binary offset value to increment / loop end */
285 #define   ES_P2_ST_INCO(o)	(((o)&0x07)<<16)/* binary offset value to increment / start */
286 #define   ES_P2_ST_INCM		(0x07<<16)	/* mask for above */
287 #define   ES_P2_ST_INCI(i)	(((i)<<16)&0x07)/* binary offset value to increment / start */
288 #define   ES_R1_LOOP_SEL	(1<<15)		/* ADC; 0 - loop mode; 1 = stop mode */
289 #define   ES_P2_LOOP_SEL	(1<<14)		/* DAC2; 0 - loop mode; 1 = stop mode */
290 #define   ES_P1_LOOP_SEL	(1<<13)		/* DAC1; 0 - loop mode; 1 = stop mode */
291 #define   ES_P2_PAUSE		(1<<12)		/* DAC2; 0 - play mode; 1 = pause mode */
292 #define   ES_P1_PAUSE		(1<<11)		/* DAC1; 0 - play mode; 1 = pause mode */
293 #define   ES_R1_INT_EN		(1<<10)		/* ADC interrupt enable */
294 #define   ES_P2_INT_EN		(1<<9)		/* DAC2 interrupt enable */
295 #define   ES_P1_INT_EN		(1<<8)		/* DAC1 interrupt enable */
296 #define   ES_P1_SCT_RLD		(1<<7)		/* force sample counter reload for DAC1 */
297 #define   ES_P2_DAC_SEN		(1<<6)		/* when stop mode: 0 - DAC2 play back zeros; 1 = DAC2 play back last sample */
298 #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 */
299 #define   ES_R1_MODEM		(0x03<<4)	/* mask for above */
300 #define   ES_R1_MODEI(i)	(((i)>>4)&0x03)
301 #define   ES_P2_MODEO(o)	(((o)&0x03)<<2)	/* DAC2 mode; -- '' -- */
302 #define   ES_P2_MODEM		(0x03<<2)	/* mask for above */
303 #define   ES_P2_MODEI(i)	(((i)>>2)&0x03)
304 #define   ES_P1_MODEO(o)	(((o)&0x03)<<0)	/* DAC1 mode; -- '' -- */
305 #define   ES_P1_MODEM		(0x03<<0)	/* mask for above */
306 #define   ES_P1_MODEI(i)	(((i)>>0)&0x03)
307 
308 #define ES_REG_DAC1_COUNT 0x24	/* R/W: DAC1 sample count register */
309 #define ES_REG_DAC2_COUNT 0x28	/* R/W: DAC2 sample count register */
310 #define ES_REG_ADC_COUNT  0x2c	/* R/W: ADC sample count register */
311 #define   ES_REG_CURR_COUNT(i)  (((i)>>16)&0xffff)
312 #define   ES_REG_COUNTO(o)	(((o)&0xffff)<<0)
313 #define   ES_REG_COUNTM		(0xffff<<0)
314 #define   ES_REG_COUNTI(i)	(((i)>>0)&0xffff)
315 
316 #define ES_REG_DAC1_FRAME 0x30	/* R/W: PAGE 0x0c; DAC1 frame address */
317 #define ES_REG_DAC1_SIZE  0x34	/* R/W: PAGE 0x0c; DAC1 frame size */
318 #define ES_REG_DAC2_FRAME 0x38	/* R/W: PAGE 0x0c; DAC2 frame address */
319 #define ES_REG_DAC2_SIZE  0x3c	/* R/W: PAGE 0x0c; DAC2 frame size */
320 #define ES_REG_ADC_FRAME  0x30	/* R/W: PAGE 0x0d; ADC frame address */
321 #define ES_REG_ADC_SIZE	  0x34	/* R/W: PAGE 0x0d; ADC frame size */
322 #define   ES_REG_FCURR_COUNTO(o) (((o)&0xffff)<<16)
323 #define   ES_REG_FCURR_COUNTM    (0xffff<<16)
324 #define   ES_REG_FCURR_COUNTI(i) (((i)>>14)&0x3fffc)
325 #define   ES_REG_FSIZEO(o)	 (((o)&0xffff)<<0)
326 #define   ES_REG_FSIZEM		 (0xffff<<0)
327 #define   ES_REG_FSIZEI(i)	 (((i)>>0)&0xffff)
328 #define ES_REG_PHANTOM_FRAME 0x38 /* R/W: PAGE 0x0d: phantom frame address */
329 #define ES_REG_PHANTOM_COUNT 0x3c /* R/W: PAGE 0x0d: phantom frame count */
330 
331 #define ES_REG_UART_FIFO  0x30	/* R/W: PAGE 0x0e; UART FIFO register */
332 #define   ES_REG_UF_VALID	 (1<<8)
333 #define   ES_REG_UF_BYTEO(o)	 (((o)&0xff)<<0)
334 #define   ES_REG_UF_BYTEM	 (0xff<<0)
335 #define   ES_REG_UF_BYTEI(i)	 (((i)>>0)&0xff)
336 
337 
338 /*
339  *  Pages
340  */
341 
342 #define ES_PAGE_DAC	0x0c
343 #define ES_PAGE_ADC	0x0d
344 #define ES_PAGE_UART	0x0e
345 #define ES_PAGE_UART1	0x0f
346 
347 /*
348  *  Sample rate converter addresses
349  */
350 
351 #define ES_SMPREG_DAC1		0x70
352 #define ES_SMPREG_DAC2		0x74
353 #define ES_SMPREG_ADC		0x78
354 #define ES_SMPREG_VOL_ADC	0x6c
355 #define ES_SMPREG_VOL_DAC1	0x7c
356 #define ES_SMPREG_VOL_DAC2	0x7e
357 #define ES_SMPREG_TRUNC_N	0x00
358 #define ES_SMPREG_INT_REGS	0x01
359 #define ES_SMPREG_ACCUM_FRAC	0x02
360 #define ES_SMPREG_VFREQ_FRAC	0x03
361 
362 /*
363  *  Some contants
364  */
365 
366 #define ES_1370_SRCLOCK	   1411200
367 #define ES_1370_SRTODIV(x) (ES_1370_SRCLOCK/(x)-2)
368 
369 /*
370  *  Open modes
371  */
372 
373 #define ES_MODE_PLAY1	0x0001
374 #define ES_MODE_PLAY2	0x0002
375 #define ES_MODE_CAPTURE	0x0004
376 
377 #define ES_MODE_OUTPUT	0x0001	/* for MIDI */
378 #define ES_MODE_INPUT	0x0002	/* for MIDI */
379 
380 /*
381 
382  */
383 
384 struct ensoniq {
385 	spinlock_t reg_lock;
386 	struct mutex src_mutex;
387 
388 	int irq;
389 
390 	unsigned long playback1size;
391 	unsigned long playback2size;
392 	unsigned long capture3size;
393 
394 	unsigned long port;
395 	unsigned int mode;
396 	unsigned int uartm;	/* UART mode */
397 
398 	unsigned int ctrl;	/* control register */
399 	unsigned int sctrl;	/* serial control register */
400 	unsigned int cssr;	/* control status register */
401 	unsigned int uartc;	/* uart control register */
402 	unsigned int rev;	/* chip revision */
403 
404 	union {
405 #ifdef CHIP1371
406 		struct {
407 			struct snd_ac97 *ac97;
408 		} es1371;
409 #else
410 		struct {
411 			int pclkdiv_lock;
412 			struct snd_ak4531 *ak4531;
413 		} es1370;
414 #endif
415 	} u;
416 
417 	struct pci_dev *pci;
418 	struct snd_card *card;
419 	struct snd_pcm *pcm1;	/* DAC1/ADC PCM */
420 	struct snd_pcm *pcm2;	/* DAC2 PCM */
421 	struct snd_pcm_substream *playback1_substream;
422 	struct snd_pcm_substream *playback2_substream;
423 	struct snd_pcm_substream *capture_substream;
424 	unsigned int p1_dma_size;
425 	unsigned int p2_dma_size;
426 	unsigned int c_dma_size;
427 	unsigned int p1_period_size;
428 	unsigned int p2_period_size;
429 	unsigned int c_period_size;
430 	struct snd_rawmidi *rmidi;
431 	struct snd_rawmidi_substream *midi_input;
432 	struct snd_rawmidi_substream *midi_output;
433 
434 	unsigned int spdif;
435 	unsigned int spdif_default;
436 	unsigned int spdif_stream;
437 
438 #ifdef CHIP1370
439 	struct snd_dma_buffer dma_bug;
440 #endif
441 
442 #ifdef SUPPORT_JOYSTICK
443 	struct gameport *gameport;
444 #endif
445 };
446 
447 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id);
448 
449 static const struct pci_device_id snd_audiopci_ids[] = {
450 #ifdef CHIP1370
451 	{ PCI_VDEVICE(ENSONIQ, 0x5000), 0, },	/* ES1370 */
452 #endif
453 #ifdef CHIP1371
454 	{ PCI_VDEVICE(ENSONIQ, 0x1371), 0, },	/* ES1371 */
455 	{ PCI_VDEVICE(ENSONIQ, 0x5880), 0, },	/* ES1373 - CT5880 */
456 	{ PCI_VDEVICE(ECTIVA, 0x8938), 0, },	/* Ectiva EV1938 */
457 #endif
458 	{ 0, }
459 };
460 
461 MODULE_DEVICE_TABLE(pci, snd_audiopci_ids);
462 
463 /*
464  *  constants
465  */
466 
467 #define POLL_COUNT	0xa000
468 
469 #ifdef CHIP1370
470 static const unsigned int snd_es1370_fixed_rates[] =
471 	{5512, 11025, 22050, 44100};
472 static const struct snd_pcm_hw_constraint_list snd_es1370_hw_constraints_rates = {
473 	.count = 4,
474 	.list = snd_es1370_fixed_rates,
475 	.mask = 0,
476 };
477 static const struct snd_ratnum es1370_clock = {
478 	.num = ES_1370_SRCLOCK,
479 	.den_min = 29,
480 	.den_max = 353,
481 	.den_step = 1,
482 };
483 static const struct snd_pcm_hw_constraint_ratnums snd_es1370_hw_constraints_clock = {
484 	.nrats = 1,
485 	.rats = &es1370_clock,
486 };
487 #else
488 static const struct snd_ratden es1371_dac_clock = {
489 	.num_min = 3000 * (1 << 15),
490 	.num_max = 48000 * (1 << 15),
491 	.num_step = 3000,
492 	.den = 1 << 15,
493 };
494 static const struct snd_pcm_hw_constraint_ratdens snd_es1371_hw_constraints_dac_clock = {
495 	.nrats = 1,
496 	.rats = &es1371_dac_clock,
497 };
498 static const struct snd_ratnum es1371_adc_clock = {
499 	.num = 48000 << 15,
500 	.den_min = 32768,
501 	.den_max = 393216,
502 	.den_step = 1,
503 };
504 static const struct snd_pcm_hw_constraint_ratnums snd_es1371_hw_constraints_adc_clock = {
505 	.nrats = 1,
506 	.rats = &es1371_adc_clock,
507 };
508 #endif
509 static const unsigned int snd_ensoniq_sample_shift[] =
510 	{0, 1, 1, 2};
511 
512 /*
513  *  common I/O routines
514  */
515 
516 #ifdef CHIP1371
517 
518 static unsigned int snd_es1371_wait_src_ready(struct ensoniq * ensoniq)
519 {
520 	unsigned int t, r = 0;
521 
522 	for (t = 0; t < POLL_COUNT; t++) {
523 		r = inl(ES_REG(ensoniq, 1371_SMPRATE));
524 		if ((r & ES_1371_SRC_RAM_BUSY) == 0)
525 			return r;
526 		cond_resched();
527 	}
528 	dev_err(ensoniq->card->dev, "wait src ready timeout 0x%lx [0x%x]\n",
529 		   ES_REG(ensoniq, 1371_SMPRATE), r);
530 	return 0;
531 }
532 
533 static unsigned int snd_es1371_src_read(struct ensoniq * ensoniq, unsigned short reg)
534 {
535 	unsigned int temp, i, orig, r;
536 
537 	/* wait for ready */
538 	temp = orig = snd_es1371_wait_src_ready(ensoniq);
539 
540 	/* expose the SRC state bits */
541 	r = temp & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
542 		    ES_1371_DIS_P2 | ES_1371_DIS_R1);
543 	r |= ES_1371_SRC_RAM_ADDRO(reg) | 0x10000;
544 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
545 
546 	/* now, wait for busy and the correct time to read */
547 	temp = snd_es1371_wait_src_ready(ensoniq);
548 
549 	if ((temp & 0x00870000) != 0x00010000) {
550 		/* wait for the right state */
551 		for (i = 0; i < POLL_COUNT; i++) {
552 			temp = inl(ES_REG(ensoniq, 1371_SMPRATE));
553 			if ((temp & 0x00870000) == 0x00010000)
554 				break;
555 		}
556 	}
557 
558 	/* hide the state bits */
559 	r = orig & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
560 		   ES_1371_DIS_P2 | ES_1371_DIS_R1);
561 	r |= ES_1371_SRC_RAM_ADDRO(reg);
562 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
563 
564 	return temp;
565 }
566 
567 static void snd_es1371_src_write(struct ensoniq * ensoniq,
568 				 unsigned short reg, unsigned short data)
569 {
570 	unsigned int r;
571 
572 	r = snd_es1371_wait_src_ready(ensoniq) &
573 	    (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
574 	     ES_1371_DIS_P2 | ES_1371_DIS_R1);
575 	r |= ES_1371_SRC_RAM_ADDRO(reg) | ES_1371_SRC_RAM_DATAO(data);
576 	outl(r | ES_1371_SRC_RAM_WE, ES_REG(ensoniq, 1371_SMPRATE));
577 }
578 
579 #endif /* CHIP1371 */
580 
581 #ifdef CHIP1370
582 
583 static void snd_es1370_codec_write(struct snd_ak4531 *ak4531,
584 				   unsigned short reg, unsigned short val)
585 {
586 	struct ensoniq *ensoniq = ak4531->private_data;
587 	unsigned long end_time = jiffies + HZ / 10;
588 
589 #if 0
590 	dev_dbg(ensoniq->card->dev,
591 	       "CODEC WRITE: reg = 0x%x, val = 0x%x (0x%x), creg = 0x%x\n",
592 	       reg, val, ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
593 #endif
594 	do {
595 		if (!(inl(ES_REG(ensoniq, STATUS)) & ES_1370_CSTAT)) {
596 			outw(ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
597 			return;
598 		}
599 		schedule_timeout_uninterruptible(1);
600 	} while (time_after(end_time, jiffies));
601 	dev_err(ensoniq->card->dev, "codec write timeout, status = 0x%x\n",
602 		   inl(ES_REG(ensoniq, STATUS)));
603 }
604 
605 #endif /* CHIP1370 */
606 
607 #ifdef CHIP1371
608 
609 static inline bool is_ev1938(struct ensoniq *ensoniq)
610 {
611 	return ensoniq->pci->device == 0x8938;
612 }
613 
614 static void snd_es1371_codec_write(struct snd_ac97 *ac97,
615 				   unsigned short reg, unsigned short val)
616 {
617 	struct ensoniq *ensoniq = ac97->private_data;
618 	unsigned int t, x, flag;
619 
620 	flag = is_ev1938(ensoniq) ? EV_1938_CODEC_MAGIC : 0;
621 	mutex_lock(&ensoniq->src_mutex);
622 	for (t = 0; t < POLL_COUNT; t++) {
623 		if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
624 			/* save the current state for latter */
625 			x = snd_es1371_wait_src_ready(ensoniq);
626 			outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
627 			           ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
628 			     ES_REG(ensoniq, 1371_SMPRATE));
629 			/* wait for not busy (state 0) first to avoid
630 			   transition states */
631 			for (t = 0; t < POLL_COUNT; t++) {
632 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
633 				    0x00000000)
634 					break;
635 			}
636 			/* wait for a SAFE time to write addr/data and then do it, dammit */
637 			for (t = 0; t < POLL_COUNT; t++) {
638 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
639 				    0x00010000)
640 					break;
641 			}
642 			outl(ES_1371_CODEC_WRITE(reg, val) | flag,
643 			     ES_REG(ensoniq, 1371_CODEC));
644 			/* restore SRC reg */
645 			snd_es1371_wait_src_ready(ensoniq);
646 			outl(x, ES_REG(ensoniq, 1371_SMPRATE));
647 			mutex_unlock(&ensoniq->src_mutex);
648 			return;
649 		}
650 	}
651 	mutex_unlock(&ensoniq->src_mutex);
652 	dev_err(ensoniq->card->dev, "codec write timeout at 0x%lx [0x%x]\n",
653 		   ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
654 }
655 
656 static unsigned short snd_es1371_codec_read(struct snd_ac97 *ac97,
657 					    unsigned short reg)
658 {
659 	struct ensoniq *ensoniq = ac97->private_data;
660 	unsigned int t, x, flag, fail = 0;
661 
662 	flag = is_ev1938(ensoniq) ? EV_1938_CODEC_MAGIC : 0;
663       __again:
664 	mutex_lock(&ensoniq->src_mutex);
665 	for (t = 0; t < POLL_COUNT; t++) {
666 		if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
667 			/* save the current state for latter */
668 			x = snd_es1371_wait_src_ready(ensoniq);
669 			outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
670 			           ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
671 			     ES_REG(ensoniq, 1371_SMPRATE));
672 			/* wait for not busy (state 0) first to avoid
673 			   transition states */
674 			for (t = 0; t < POLL_COUNT; t++) {
675 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
676 				    0x00000000)
677 					break;
678 			}
679 			/* wait for a SAFE time to write addr/data and then do it, dammit */
680 			for (t = 0; t < POLL_COUNT; t++) {
681 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
682 				    0x00010000)
683 					break;
684 			}
685 			outl(ES_1371_CODEC_READS(reg) | flag,
686 			     ES_REG(ensoniq, 1371_CODEC));
687 			/* restore SRC reg */
688 			snd_es1371_wait_src_ready(ensoniq);
689 			outl(x, ES_REG(ensoniq, 1371_SMPRATE));
690 			/* wait for WIP again */
691 			for (t = 0; t < POLL_COUNT; t++) {
692 				if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP))
693 					break;
694 			}
695 			/* now wait for the stinkin' data (RDY) */
696 			for (t = 0; t < POLL_COUNT; t++) {
697 				if ((x = inl(ES_REG(ensoniq, 1371_CODEC))) & ES_1371_CODEC_RDY) {
698 					if (is_ev1938(ensoniq)) {
699 						for (t = 0; t < 100; t++)
700 							inl(ES_REG(ensoniq, CONTROL));
701 						x = inl(ES_REG(ensoniq, 1371_CODEC));
702 					}
703 					mutex_unlock(&ensoniq->src_mutex);
704 					return ES_1371_CODEC_READ(x);
705 				}
706 			}
707 			mutex_unlock(&ensoniq->src_mutex);
708 			if (++fail > 10) {
709 				dev_err(ensoniq->card->dev,
710 					"codec read timeout (final) at 0x%lx, reg = 0x%x [0x%x]\n",
711 					   ES_REG(ensoniq, 1371_CODEC), reg,
712 					   inl(ES_REG(ensoniq, 1371_CODEC)));
713 				return 0;
714 			}
715 			goto __again;
716 		}
717 	}
718 	mutex_unlock(&ensoniq->src_mutex);
719 	dev_err(ensoniq->card->dev, "codec read timeout at 0x%lx [0x%x]\n",
720 		   ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
721 	return 0;
722 }
723 
724 static void snd_es1371_codec_wait(struct snd_ac97 *ac97)
725 {
726 	msleep(750);
727 	snd_es1371_codec_read(ac97, AC97_RESET);
728 	snd_es1371_codec_read(ac97, AC97_VENDOR_ID1);
729 	snd_es1371_codec_read(ac97, AC97_VENDOR_ID2);
730 	msleep(50);
731 }
732 
733 static void snd_es1371_adc_rate(struct ensoniq * ensoniq, unsigned int rate)
734 {
735 	unsigned int n, truncm, freq, result;
736 
737 	mutex_lock(&ensoniq->src_mutex);
738 	n = rate / 3000;
739 	if ((1 << n) & ((1 << 15) | (1 << 13) | (1 << 11) | (1 << 9)))
740 		n--;
741 	truncm = (21 * n - 1) | 1;
742 	freq = ((48000UL << 15) / rate) * n;
743 	result = (48000UL << 15) / (freq / n);
744 	if (rate >= 24000) {
745 		if (truncm > 239)
746 			truncm = 239;
747 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
748 				(((239 - truncm) >> 1) << 9) | (n << 4));
749 	} else {
750 		if (truncm > 119)
751 			truncm = 119;
752 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
753 				0x8000 | (((119 - truncm) >> 1) << 9) | (n << 4));
754 	}
755 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_INT_REGS,
756 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_ADC +
757 						  ES_SMPREG_INT_REGS) & 0x00ff) |
758 			     ((freq >> 5) & 0xfc00));
759 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
760 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, n << 8);
761 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, n << 8);
762 	mutex_unlock(&ensoniq->src_mutex);
763 }
764 
765 static void snd_es1371_dac1_rate(struct ensoniq * ensoniq, unsigned int rate)
766 {
767 	unsigned int freq, r;
768 
769 	mutex_lock(&ensoniq->src_mutex);
770 	freq = ((rate << 15) + 1500) / 3000;
771 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
772 						   ES_1371_DIS_P2 | ES_1371_DIS_R1)) |
773 		ES_1371_DIS_P1;
774 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
775 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS,
776 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC1 +
777 						  ES_SMPREG_INT_REGS) & 0x00ff) |
778 			     ((freq >> 5) & 0xfc00));
779 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
780 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
781 						   ES_1371_DIS_P2 | ES_1371_DIS_R1));
782 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
783 	mutex_unlock(&ensoniq->src_mutex);
784 }
785 
786 static void snd_es1371_dac2_rate(struct ensoniq * ensoniq, unsigned int rate)
787 {
788 	unsigned int freq, r;
789 
790 	mutex_lock(&ensoniq->src_mutex);
791 	freq = ((rate << 15) + 1500) / 3000;
792 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
793 						   ES_1371_DIS_P1 | ES_1371_DIS_R1)) |
794 		ES_1371_DIS_P2;
795 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
796 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS,
797 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC2 +
798 						  ES_SMPREG_INT_REGS) & 0x00ff) |
799 			     ((freq >> 5) & 0xfc00));
800 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_VFREQ_FRAC,
801 			     freq & 0x7fff);
802 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
803 						   ES_1371_DIS_P1 | ES_1371_DIS_R1));
804 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
805 	mutex_unlock(&ensoniq->src_mutex);
806 }
807 
808 #endif /* CHIP1371 */
809 
810 static int snd_ensoniq_trigger(struct snd_pcm_substream *substream, int cmd)
811 {
812 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
813 	switch (cmd) {
814 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
815 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
816 	{
817 		unsigned int what = 0;
818 		struct snd_pcm_substream *s;
819 		snd_pcm_group_for_each_entry(s, substream) {
820 			if (s == ensoniq->playback1_substream) {
821 				what |= ES_P1_PAUSE;
822 				snd_pcm_trigger_done(s, substream);
823 			} else if (s == ensoniq->playback2_substream) {
824 				what |= ES_P2_PAUSE;
825 				snd_pcm_trigger_done(s, substream);
826 			} else if (s == ensoniq->capture_substream)
827 				return -EINVAL;
828 		}
829 		spin_lock(&ensoniq->reg_lock);
830 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
831 			ensoniq->sctrl |= what;
832 		else
833 			ensoniq->sctrl &= ~what;
834 		outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
835 		spin_unlock(&ensoniq->reg_lock);
836 		break;
837 	}
838 	case SNDRV_PCM_TRIGGER_START:
839 	case SNDRV_PCM_TRIGGER_STOP:
840 	{
841 		unsigned int what = 0;
842 		struct snd_pcm_substream *s;
843 		snd_pcm_group_for_each_entry(s, substream) {
844 			if (s == ensoniq->playback1_substream) {
845 				what |= ES_DAC1_EN;
846 				snd_pcm_trigger_done(s, substream);
847 			} else if (s == ensoniq->playback2_substream) {
848 				what |= ES_DAC2_EN;
849 				snd_pcm_trigger_done(s, substream);
850 			} else if (s == ensoniq->capture_substream) {
851 				what |= ES_ADC_EN;
852 				snd_pcm_trigger_done(s, substream);
853 			}
854 		}
855 		spin_lock(&ensoniq->reg_lock);
856 		if (cmd == SNDRV_PCM_TRIGGER_START)
857 			ensoniq->ctrl |= what;
858 		else
859 			ensoniq->ctrl &= ~what;
860 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
861 		spin_unlock(&ensoniq->reg_lock);
862 		break;
863 	}
864 	default:
865 		return -EINVAL;
866 	}
867 	return 0;
868 }
869 
870 /*
871  *  PCM part
872  */
873 
874 static int snd_ensoniq_hw_params(struct snd_pcm_substream *substream,
875 				 struct snd_pcm_hw_params *hw_params)
876 {
877 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
878 }
879 
880 static int snd_ensoniq_hw_free(struct snd_pcm_substream *substream)
881 {
882 	return snd_pcm_lib_free_pages(substream);
883 }
884 
885 static int snd_ensoniq_playback1_prepare(struct snd_pcm_substream *substream)
886 {
887 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
888 	struct snd_pcm_runtime *runtime = substream->runtime;
889 	unsigned int mode = 0;
890 
891 	ensoniq->p1_dma_size = snd_pcm_lib_buffer_bytes(substream);
892 	ensoniq->p1_period_size = snd_pcm_lib_period_bytes(substream);
893 	if (snd_pcm_format_width(runtime->format) == 16)
894 		mode |= 0x02;
895 	if (runtime->channels > 1)
896 		mode |= 0x01;
897 	spin_lock_irq(&ensoniq->reg_lock);
898 	ensoniq->ctrl &= ~ES_DAC1_EN;
899 #ifdef CHIP1371
900 	/* 48k doesn't need SRC (it breaks AC3-passthru) */
901 	if (runtime->rate == 48000)
902 		ensoniq->ctrl |= ES_1373_BYPASS_P1;
903 	else
904 		ensoniq->ctrl &= ~ES_1373_BYPASS_P1;
905 #endif
906 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
907 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
908 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC1_FRAME));
909 	outl((ensoniq->p1_dma_size >> 2) - 1, ES_REG(ensoniq, DAC1_SIZE));
910 	ensoniq->sctrl &= ~(ES_P1_LOOP_SEL | ES_P1_PAUSE | ES_P1_SCT_RLD | ES_P1_MODEM);
911 	ensoniq->sctrl |= ES_P1_INT_EN | ES_P1_MODEO(mode);
912 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
913 	outl((ensoniq->p1_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
914 	     ES_REG(ensoniq, DAC1_COUNT));
915 #ifdef CHIP1370
916 	ensoniq->ctrl &= ~ES_1370_WTSRSELM;
917 	switch (runtime->rate) {
918 	case 5512: ensoniq->ctrl |= ES_1370_WTSRSEL(0); break;
919 	case 11025: ensoniq->ctrl |= ES_1370_WTSRSEL(1); break;
920 	case 22050: ensoniq->ctrl |= ES_1370_WTSRSEL(2); break;
921 	case 44100: ensoniq->ctrl |= ES_1370_WTSRSEL(3); break;
922 	default: snd_BUG();
923 	}
924 #endif
925 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
926 	spin_unlock_irq(&ensoniq->reg_lock);
927 #ifndef CHIP1370
928 	snd_es1371_dac1_rate(ensoniq, runtime->rate);
929 #endif
930 	return 0;
931 }
932 
933 static int snd_ensoniq_playback2_prepare(struct snd_pcm_substream *substream)
934 {
935 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
936 	struct snd_pcm_runtime *runtime = substream->runtime;
937 	unsigned int mode = 0;
938 
939 	ensoniq->p2_dma_size = snd_pcm_lib_buffer_bytes(substream);
940 	ensoniq->p2_period_size = snd_pcm_lib_period_bytes(substream);
941 	if (snd_pcm_format_width(runtime->format) == 16)
942 		mode |= 0x02;
943 	if (runtime->channels > 1)
944 		mode |= 0x01;
945 	spin_lock_irq(&ensoniq->reg_lock);
946 	ensoniq->ctrl &= ~ES_DAC2_EN;
947 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
948 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
949 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC2_FRAME));
950 	outl((ensoniq->p2_dma_size >> 2) - 1, ES_REG(ensoniq, DAC2_SIZE));
951 	ensoniq->sctrl &= ~(ES_P2_LOOP_SEL | ES_P2_PAUSE | ES_P2_DAC_SEN |
952 			    ES_P2_END_INCM | ES_P2_ST_INCM | ES_P2_MODEM);
953 	ensoniq->sctrl |= ES_P2_INT_EN | ES_P2_MODEO(mode) |
954 			  ES_P2_END_INCO(mode & 2 ? 2 : 1) | ES_P2_ST_INCO(0);
955 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
956 	outl((ensoniq->p2_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
957 	     ES_REG(ensoniq, DAC2_COUNT));
958 #ifdef CHIP1370
959 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_CAPTURE)) {
960 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
961 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
962 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_PLAY2;
963 	}
964 #endif
965 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
966 	spin_unlock_irq(&ensoniq->reg_lock);
967 #ifndef CHIP1370
968 	snd_es1371_dac2_rate(ensoniq, runtime->rate);
969 #endif
970 	return 0;
971 }
972 
973 static int snd_ensoniq_capture_prepare(struct snd_pcm_substream *substream)
974 {
975 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
976 	struct snd_pcm_runtime *runtime = substream->runtime;
977 	unsigned int mode = 0;
978 
979 	ensoniq->c_dma_size = snd_pcm_lib_buffer_bytes(substream);
980 	ensoniq->c_period_size = snd_pcm_lib_period_bytes(substream);
981 	if (snd_pcm_format_width(runtime->format) == 16)
982 		mode |= 0x02;
983 	if (runtime->channels > 1)
984 		mode |= 0x01;
985 	spin_lock_irq(&ensoniq->reg_lock);
986 	ensoniq->ctrl &= ~ES_ADC_EN;
987 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
988 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
989 	outl(runtime->dma_addr, ES_REG(ensoniq, ADC_FRAME));
990 	outl((ensoniq->c_dma_size >> 2) - 1, ES_REG(ensoniq, ADC_SIZE));
991 	ensoniq->sctrl &= ~(ES_R1_LOOP_SEL | ES_R1_MODEM);
992 	ensoniq->sctrl |= ES_R1_INT_EN | ES_R1_MODEO(mode);
993 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
994 	outl((ensoniq->c_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
995 	     ES_REG(ensoniq, ADC_COUNT));
996 #ifdef CHIP1370
997 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_PLAY2)) {
998 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
999 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
1000 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_CAPTURE;
1001 	}
1002 #endif
1003 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1004 	spin_unlock_irq(&ensoniq->reg_lock);
1005 #ifndef CHIP1370
1006 	snd_es1371_adc_rate(ensoniq, runtime->rate);
1007 #endif
1008 	return 0;
1009 }
1010 
1011 static snd_pcm_uframes_t snd_ensoniq_playback1_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_DAC1_EN) {
1018 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1019 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC1_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 snd_pcm_uframes_t snd_ensoniq_playback2_pointer(struct snd_pcm_substream *substream)
1029 {
1030 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1031 	size_t ptr;
1032 
1033 	spin_lock(&ensoniq->reg_lock);
1034 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC2_EN) {
1035 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1036 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC2_SIZE)));
1037 		ptr = bytes_to_frames(substream->runtime, ptr);
1038 	} else {
1039 		ptr = 0;
1040 	}
1041 	spin_unlock(&ensoniq->reg_lock);
1042 	return ptr;
1043 }
1044 
1045 static snd_pcm_uframes_t snd_ensoniq_capture_pointer(struct snd_pcm_substream *substream)
1046 {
1047 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1048 	size_t ptr;
1049 
1050 	spin_lock(&ensoniq->reg_lock);
1051 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_ADC_EN) {
1052 		outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1053 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, ADC_SIZE)));
1054 		ptr = bytes_to_frames(substream->runtime, ptr);
1055 	} else {
1056 		ptr = 0;
1057 	}
1058 	spin_unlock(&ensoniq->reg_lock);
1059 	return ptr;
1060 }
1061 
1062 static const struct snd_pcm_hardware snd_ensoniq_playback1 =
1063 {
1064 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1065 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1066 				 SNDRV_PCM_INFO_MMAP_VALID |
1067 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
1068 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1069 	.rates =
1070 #ifndef CHIP1370
1071 				SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1072 #else
1073 				(SNDRV_PCM_RATE_KNOT | 	/* 5512Hz rate */
1074 				 SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_22050 |
1075 				 SNDRV_PCM_RATE_44100),
1076 #endif
1077 	.rate_min =		4000,
1078 	.rate_max =		48000,
1079 	.channels_min =		1,
1080 	.channels_max =		2,
1081 	.buffer_bytes_max =	(128*1024),
1082 	.period_bytes_min =	64,
1083 	.period_bytes_max =	(128*1024),
1084 	.periods_min =		1,
1085 	.periods_max =		1024,
1086 	.fifo_size =		0,
1087 };
1088 
1089 static const struct snd_pcm_hardware snd_ensoniq_playback2 =
1090 {
1091 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1092 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1093 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE |
1094 				 SNDRV_PCM_INFO_SYNC_START),
1095 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1096 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1097 	.rate_min =		4000,
1098 	.rate_max =		48000,
1099 	.channels_min =		1,
1100 	.channels_max =		2,
1101 	.buffer_bytes_max =	(128*1024),
1102 	.period_bytes_min =	64,
1103 	.period_bytes_max =	(128*1024),
1104 	.periods_min =		1,
1105 	.periods_max =		1024,
1106 	.fifo_size =		0,
1107 };
1108 
1109 static const struct snd_pcm_hardware snd_ensoniq_capture =
1110 {
1111 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1112 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1113 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1114 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1115 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1116 	.rate_min =		4000,
1117 	.rate_max =		48000,
1118 	.channels_min =		1,
1119 	.channels_max =		2,
1120 	.buffer_bytes_max =	(128*1024),
1121 	.period_bytes_min =	64,
1122 	.period_bytes_max =	(128*1024),
1123 	.periods_min =		1,
1124 	.periods_max =		1024,
1125 	.fifo_size =		0,
1126 };
1127 
1128 static int snd_ensoniq_playback1_open(struct snd_pcm_substream *substream)
1129 {
1130 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1131 	struct snd_pcm_runtime *runtime = substream->runtime;
1132 
1133 	ensoniq->mode |= ES_MODE_PLAY1;
1134 	ensoniq->playback1_substream = substream;
1135 	runtime->hw = snd_ensoniq_playback1;
1136 	snd_pcm_set_sync(substream);
1137 	spin_lock_irq(&ensoniq->reg_lock);
1138 	if (ensoniq->spdif && ensoniq->playback2_substream == NULL)
1139 		ensoniq->spdif_stream = ensoniq->spdif_default;
1140 	spin_unlock_irq(&ensoniq->reg_lock);
1141 #ifdef CHIP1370
1142 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1143 				   &snd_es1370_hw_constraints_rates);
1144 #else
1145 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1146 				      &snd_es1371_hw_constraints_dac_clock);
1147 #endif
1148 	return 0;
1149 }
1150 
1151 static int snd_ensoniq_playback2_open(struct snd_pcm_substream *substream)
1152 {
1153 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1154 	struct snd_pcm_runtime *runtime = substream->runtime;
1155 
1156 	ensoniq->mode |= ES_MODE_PLAY2;
1157 	ensoniq->playback2_substream = substream;
1158 	runtime->hw = snd_ensoniq_playback2;
1159 	snd_pcm_set_sync(substream);
1160 	spin_lock_irq(&ensoniq->reg_lock);
1161 	if (ensoniq->spdif && ensoniq->playback1_substream == NULL)
1162 		ensoniq->spdif_stream = ensoniq->spdif_default;
1163 	spin_unlock_irq(&ensoniq->reg_lock);
1164 #ifdef CHIP1370
1165 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1166 				      &snd_es1370_hw_constraints_clock);
1167 #else
1168 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1169 				      &snd_es1371_hw_constraints_dac_clock);
1170 #endif
1171 	return 0;
1172 }
1173 
1174 static int snd_ensoniq_capture_open(struct snd_pcm_substream *substream)
1175 {
1176 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1177 	struct snd_pcm_runtime *runtime = substream->runtime;
1178 
1179 	ensoniq->mode |= ES_MODE_CAPTURE;
1180 	ensoniq->capture_substream = substream;
1181 	runtime->hw = snd_ensoniq_capture;
1182 	snd_pcm_set_sync(substream);
1183 #ifdef CHIP1370
1184 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1185 				      &snd_es1370_hw_constraints_clock);
1186 #else
1187 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1188 				      &snd_es1371_hw_constraints_adc_clock);
1189 #endif
1190 	return 0;
1191 }
1192 
1193 static int snd_ensoniq_playback1_close(struct snd_pcm_substream *substream)
1194 {
1195 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1196 
1197 	ensoniq->playback1_substream = NULL;
1198 	ensoniq->mode &= ~ES_MODE_PLAY1;
1199 	return 0;
1200 }
1201 
1202 static int snd_ensoniq_playback2_close(struct snd_pcm_substream *substream)
1203 {
1204 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1205 
1206 	ensoniq->playback2_substream = NULL;
1207 	spin_lock_irq(&ensoniq->reg_lock);
1208 #ifdef CHIP1370
1209 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_PLAY2;
1210 #endif
1211 	ensoniq->mode &= ~ES_MODE_PLAY2;
1212 	spin_unlock_irq(&ensoniq->reg_lock);
1213 	return 0;
1214 }
1215 
1216 static int snd_ensoniq_capture_close(struct snd_pcm_substream *substream)
1217 {
1218 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1219 
1220 	ensoniq->capture_substream = NULL;
1221 	spin_lock_irq(&ensoniq->reg_lock);
1222 #ifdef CHIP1370
1223 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_CAPTURE;
1224 #endif
1225 	ensoniq->mode &= ~ES_MODE_CAPTURE;
1226 	spin_unlock_irq(&ensoniq->reg_lock);
1227 	return 0;
1228 }
1229 
1230 static const struct snd_pcm_ops snd_ensoniq_playback1_ops = {
1231 	.open =		snd_ensoniq_playback1_open,
1232 	.close =	snd_ensoniq_playback1_close,
1233 	.ioctl =	snd_pcm_lib_ioctl,
1234 	.hw_params =	snd_ensoniq_hw_params,
1235 	.hw_free =	snd_ensoniq_hw_free,
1236 	.prepare =	snd_ensoniq_playback1_prepare,
1237 	.trigger =	snd_ensoniq_trigger,
1238 	.pointer =	snd_ensoniq_playback1_pointer,
1239 };
1240 
1241 static const struct snd_pcm_ops snd_ensoniq_playback2_ops = {
1242 	.open =		snd_ensoniq_playback2_open,
1243 	.close =	snd_ensoniq_playback2_close,
1244 	.ioctl =	snd_pcm_lib_ioctl,
1245 	.hw_params =	snd_ensoniq_hw_params,
1246 	.hw_free =	snd_ensoniq_hw_free,
1247 	.prepare =	snd_ensoniq_playback2_prepare,
1248 	.trigger =	snd_ensoniq_trigger,
1249 	.pointer =	snd_ensoniq_playback2_pointer,
1250 };
1251 
1252 static const struct snd_pcm_ops snd_ensoniq_capture_ops = {
1253 	.open =		snd_ensoniq_capture_open,
1254 	.close =	snd_ensoniq_capture_close,
1255 	.ioctl =	snd_pcm_lib_ioctl,
1256 	.hw_params =	snd_ensoniq_hw_params,
1257 	.hw_free =	snd_ensoniq_hw_free,
1258 	.prepare =	snd_ensoniq_capture_prepare,
1259 	.trigger =	snd_ensoniq_trigger,
1260 	.pointer =	snd_ensoniq_capture_pointer,
1261 };
1262 
1263 static const struct snd_pcm_chmap_elem surround_map[] = {
1264 	{ .channels = 1,
1265 	  .map = { SNDRV_CHMAP_MONO } },
1266 	{ .channels = 2,
1267 	  .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
1268 	{ }
1269 };
1270 
1271 static int snd_ensoniq_pcm(struct ensoniq *ensoniq, int device)
1272 {
1273 	struct snd_pcm *pcm;
1274 	int err;
1275 
1276 	err = snd_pcm_new(ensoniq->card, CHIP_NAME "/1", device, 1, 1, &pcm);
1277 	if (err < 0)
1278 		return err;
1279 
1280 #ifdef CHIP1370
1281 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1282 #else
1283 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1284 #endif
1285 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ensoniq_capture_ops);
1286 
1287 	pcm->private_data = ensoniq;
1288 	pcm->info_flags = 0;
1289 	strcpy(pcm->name, CHIP_NAME " DAC2/ADC");
1290 	ensoniq->pcm1 = pcm;
1291 
1292 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1293 					      snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024);
1294 
1295 #ifdef CHIP1370
1296 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1297 				     surround_map, 2, 0, NULL);
1298 #else
1299 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1300 				     snd_pcm_std_chmaps, 2, 0, NULL);
1301 #endif
1302 	return err;
1303 }
1304 
1305 static int snd_ensoniq_pcm2(struct ensoniq *ensoniq, int device)
1306 {
1307 	struct snd_pcm *pcm;
1308 	int err;
1309 
1310 	err = snd_pcm_new(ensoniq->card, CHIP_NAME "/2", device, 1, 0, &pcm);
1311 	if (err < 0)
1312 		return err;
1313 
1314 #ifdef CHIP1370
1315 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1316 #else
1317 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1318 #endif
1319 	pcm->private_data = ensoniq;
1320 	pcm->info_flags = 0;
1321 	strcpy(pcm->name, CHIP_NAME " DAC1");
1322 	ensoniq->pcm2 = pcm;
1323 
1324 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1325 					      snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024);
1326 
1327 #ifdef CHIP1370
1328 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1329 				     snd_pcm_std_chmaps, 2, 0, NULL);
1330 #else
1331 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1332 				     surround_map, 2, 0, NULL);
1333 #endif
1334 	return err;
1335 }
1336 
1337 /*
1338  *  Mixer section
1339  */
1340 
1341 /*
1342  * ENS1371 mixer (including SPDIF interface)
1343  */
1344 #ifdef CHIP1371
1345 static int snd_ens1373_spdif_info(struct snd_kcontrol *kcontrol,
1346 				  struct snd_ctl_elem_info *uinfo)
1347 {
1348 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1349 	uinfo->count = 1;
1350 	return 0;
1351 }
1352 
1353 static int snd_ens1373_spdif_default_get(struct snd_kcontrol *kcontrol,
1354                                          struct snd_ctl_elem_value *ucontrol)
1355 {
1356 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1357 	spin_lock_irq(&ensoniq->reg_lock);
1358 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_default >> 0) & 0xff;
1359 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_default >> 8) & 0xff;
1360 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_default >> 16) & 0xff;
1361 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_default >> 24) & 0xff;
1362 	spin_unlock_irq(&ensoniq->reg_lock);
1363 	return 0;
1364 }
1365 
1366 static int snd_ens1373_spdif_default_put(struct snd_kcontrol *kcontrol,
1367                                          struct snd_ctl_elem_value *ucontrol)
1368 {
1369 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1370 	unsigned int val;
1371 	int change;
1372 
1373 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1374 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1375 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1376 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1377 	spin_lock_irq(&ensoniq->reg_lock);
1378 	change = ensoniq->spdif_default != val;
1379 	ensoniq->spdif_default = val;
1380 	if (change && ensoniq->playback1_substream == NULL &&
1381 	    ensoniq->playback2_substream == NULL)
1382 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1383 	spin_unlock_irq(&ensoniq->reg_lock);
1384 	return change;
1385 }
1386 
1387 static int snd_ens1373_spdif_mask_get(struct snd_kcontrol *kcontrol,
1388 				      struct snd_ctl_elem_value *ucontrol)
1389 {
1390 	ucontrol->value.iec958.status[0] = 0xff;
1391 	ucontrol->value.iec958.status[1] = 0xff;
1392 	ucontrol->value.iec958.status[2] = 0xff;
1393 	ucontrol->value.iec958.status[3] = 0xff;
1394 	return 0;
1395 }
1396 
1397 static int snd_ens1373_spdif_stream_get(struct snd_kcontrol *kcontrol,
1398 					struct snd_ctl_elem_value *ucontrol)
1399 {
1400 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1401 	spin_lock_irq(&ensoniq->reg_lock);
1402 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_stream >> 0) & 0xff;
1403 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_stream >> 8) & 0xff;
1404 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_stream >> 16) & 0xff;
1405 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_stream >> 24) & 0xff;
1406 	spin_unlock_irq(&ensoniq->reg_lock);
1407 	return 0;
1408 }
1409 
1410 static int snd_ens1373_spdif_stream_put(struct snd_kcontrol *kcontrol,
1411                                         struct snd_ctl_elem_value *ucontrol)
1412 {
1413 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1414 	unsigned int val;
1415 	int change;
1416 
1417 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1418 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1419 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1420 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1421 	spin_lock_irq(&ensoniq->reg_lock);
1422 	change = ensoniq->spdif_stream != val;
1423 	ensoniq->spdif_stream = val;
1424 	if (change && (ensoniq->playback1_substream != NULL ||
1425 		       ensoniq->playback2_substream != NULL))
1426 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1427 	spin_unlock_irq(&ensoniq->reg_lock);
1428 	return change;
1429 }
1430 
1431 #define ES1371_SPDIF(xname) \
1432 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_es1371_spdif_info, \
1433   .get = snd_es1371_spdif_get, .put = snd_es1371_spdif_put }
1434 
1435 #define snd_es1371_spdif_info		snd_ctl_boolean_mono_info
1436 
1437 static int snd_es1371_spdif_get(struct snd_kcontrol *kcontrol,
1438 				struct snd_ctl_elem_value *ucontrol)
1439 {
1440 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1441 
1442 	spin_lock_irq(&ensoniq->reg_lock);
1443 	ucontrol->value.integer.value[0] = ensoniq->ctrl & ES_1373_SPDIF_THRU ? 1 : 0;
1444 	spin_unlock_irq(&ensoniq->reg_lock);
1445 	return 0;
1446 }
1447 
1448 static int snd_es1371_spdif_put(struct snd_kcontrol *kcontrol,
1449 				struct snd_ctl_elem_value *ucontrol)
1450 {
1451 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1452 	unsigned int nval1, nval2;
1453 	int change;
1454 
1455 	nval1 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_THRU : 0;
1456 	nval2 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_EN : 0;
1457 	spin_lock_irq(&ensoniq->reg_lock);
1458 	change = (ensoniq->ctrl & ES_1373_SPDIF_THRU) != nval1;
1459 	ensoniq->ctrl &= ~ES_1373_SPDIF_THRU;
1460 	ensoniq->ctrl |= nval1;
1461 	ensoniq->cssr &= ~ES_1373_SPDIF_EN;
1462 	ensoniq->cssr |= nval2;
1463 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1464 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1465 	spin_unlock_irq(&ensoniq->reg_lock);
1466 	return change;
1467 }
1468 
1469 
1470 /* spdif controls */
1471 static struct snd_kcontrol_new snd_es1371_mixer_spdif[] = {
1472 	ES1371_SPDIF(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH)),
1473 	{
1474 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1475 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1476 		.info =		snd_ens1373_spdif_info,
1477 		.get =		snd_ens1373_spdif_default_get,
1478 		.put =		snd_ens1373_spdif_default_put,
1479 	},
1480 	{
1481 		.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1482 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1483 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1484 		.info =		snd_ens1373_spdif_info,
1485 		.get =		snd_ens1373_spdif_mask_get
1486 	},
1487 	{
1488 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1489 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1490 		.info =		snd_ens1373_spdif_info,
1491 		.get =		snd_ens1373_spdif_stream_get,
1492 		.put =		snd_ens1373_spdif_stream_put
1493 	},
1494 };
1495 
1496 
1497 #define snd_es1373_rear_info		snd_ctl_boolean_mono_info
1498 
1499 static int snd_es1373_rear_get(struct snd_kcontrol *kcontrol,
1500 			       struct snd_ctl_elem_value *ucontrol)
1501 {
1502 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1503 	int val = 0;
1504 
1505 	spin_lock_irq(&ensoniq->reg_lock);
1506 	if ((ensoniq->cssr & (ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|
1507 			      ES_1373_REAR_BIT24)) == ES_1373_REAR_BIT26)
1508 	    	val = 1;
1509 	ucontrol->value.integer.value[0] = val;
1510 	spin_unlock_irq(&ensoniq->reg_lock);
1511 	return 0;
1512 }
1513 
1514 static int snd_es1373_rear_put(struct snd_kcontrol *kcontrol,
1515 			       struct snd_ctl_elem_value *ucontrol)
1516 {
1517 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1518 	unsigned int nval1;
1519 	int change;
1520 
1521 	nval1 = ucontrol->value.integer.value[0] ?
1522 		ES_1373_REAR_BIT26 : (ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1523 	spin_lock_irq(&ensoniq->reg_lock);
1524 	change = (ensoniq->cssr & (ES_1373_REAR_BIT27|
1525 				   ES_1373_REAR_BIT26|ES_1373_REAR_BIT24)) != nval1;
1526 	ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|ES_1373_REAR_BIT24);
1527 	ensoniq->cssr |= nval1;
1528 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1529 	spin_unlock_irq(&ensoniq->reg_lock);
1530 	return change;
1531 }
1532 
1533 static const struct snd_kcontrol_new snd_ens1373_rear =
1534 {
1535 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1536 	.name =		"AC97 2ch->4ch Copy Switch",
1537 	.info =		snd_es1373_rear_info,
1538 	.get =		snd_es1373_rear_get,
1539 	.put =		snd_es1373_rear_put,
1540 };
1541 
1542 #define snd_es1373_line_info		snd_ctl_boolean_mono_info
1543 
1544 static int snd_es1373_line_get(struct snd_kcontrol *kcontrol,
1545 			       struct snd_ctl_elem_value *ucontrol)
1546 {
1547 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1548 	int val = 0;
1549 
1550 	spin_lock_irq(&ensoniq->reg_lock);
1551 	if (ensoniq->ctrl & ES_1371_GPIO_OUT(4))
1552 	    	val = 1;
1553 	ucontrol->value.integer.value[0] = val;
1554 	spin_unlock_irq(&ensoniq->reg_lock);
1555 	return 0;
1556 }
1557 
1558 static int snd_es1373_line_put(struct snd_kcontrol *kcontrol,
1559 			       struct snd_ctl_elem_value *ucontrol)
1560 {
1561 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1562 	int changed;
1563 	unsigned int ctrl;
1564 
1565 	spin_lock_irq(&ensoniq->reg_lock);
1566 	ctrl = ensoniq->ctrl;
1567 	if (ucontrol->value.integer.value[0])
1568 		ensoniq->ctrl |= ES_1371_GPIO_OUT(4);	/* switch line-in -> rear out */
1569 	else
1570 		ensoniq->ctrl &= ~ES_1371_GPIO_OUT(4);
1571 	changed = (ctrl != ensoniq->ctrl);
1572 	if (changed)
1573 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1574 	spin_unlock_irq(&ensoniq->reg_lock);
1575 	return changed;
1576 }
1577 
1578 static const struct snd_kcontrol_new snd_ens1373_line =
1579 {
1580 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1581 	.name =		"Line In->Rear Out Switch",
1582 	.info =		snd_es1373_line_info,
1583 	.get =		snd_es1373_line_get,
1584 	.put =		snd_es1373_line_put,
1585 };
1586 
1587 static void snd_ensoniq_mixer_free_ac97(struct snd_ac97 *ac97)
1588 {
1589 	struct ensoniq *ensoniq = ac97->private_data;
1590 	ensoniq->u.es1371.ac97 = NULL;
1591 }
1592 
1593 struct es1371_quirk {
1594 	unsigned short vid;		/* vendor ID */
1595 	unsigned short did;		/* device ID */
1596 	unsigned char rev;		/* revision */
1597 };
1598 
1599 static int es1371_quirk_lookup(struct ensoniq *ensoniq,
1600 				struct es1371_quirk *list)
1601 {
1602 	while (list->vid != (unsigned short)PCI_ANY_ID) {
1603 		if (ensoniq->pci->vendor == list->vid &&
1604 		    ensoniq->pci->device == list->did &&
1605 		    ensoniq->rev == list->rev)
1606 			return 1;
1607 		list++;
1608 	}
1609 	return 0;
1610 }
1611 
1612 static struct es1371_quirk es1371_spdif_present[] = {
1613 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1614 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1615 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1616 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1617 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1618 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1619 };
1620 
1621 static struct snd_pci_quirk ens1373_line_quirk[] = {
1622 	SND_PCI_QUIRK_ID(0x1274, 0x2000), /* GA-7DXR */
1623 	SND_PCI_QUIRK_ID(0x1458, 0xa000), /* GA-8IEXP */
1624 	{ } /* end */
1625 };
1626 
1627 static int snd_ensoniq_1371_mixer(struct ensoniq *ensoniq,
1628 				  int has_spdif, int has_line)
1629 {
1630 	struct snd_card *card = ensoniq->card;
1631 	struct snd_ac97_bus *pbus;
1632 	struct snd_ac97_template ac97;
1633 	int err;
1634 	static struct snd_ac97_bus_ops ops = {
1635 		.write = snd_es1371_codec_write,
1636 		.read = snd_es1371_codec_read,
1637 		.wait = snd_es1371_codec_wait,
1638 	};
1639 
1640 	if ((err = snd_ac97_bus(card, 0, &ops, NULL, &pbus)) < 0)
1641 		return err;
1642 
1643 	memset(&ac97, 0, sizeof(ac97));
1644 	ac97.private_data = ensoniq;
1645 	ac97.private_free = snd_ensoniq_mixer_free_ac97;
1646 	ac97.pci = ensoniq->pci;
1647 	ac97.scaps = AC97_SCAP_AUDIO;
1648 	if ((err = snd_ac97_mixer(pbus, &ac97, &ensoniq->u.es1371.ac97)) < 0)
1649 		return err;
1650 	if (has_spdif > 0 ||
1651 	    (!has_spdif && es1371_quirk_lookup(ensoniq, es1371_spdif_present))) {
1652 		struct snd_kcontrol *kctl;
1653 		int i, is_spdif = 0;
1654 
1655 		ensoniq->spdif_default = ensoniq->spdif_stream =
1656 			SNDRV_PCM_DEFAULT_CON_SPDIF;
1657 		outl(ensoniq->spdif_default, ES_REG(ensoniq, CHANNEL_STATUS));
1658 
1659 		if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SPDIF)
1660 			is_spdif++;
1661 
1662 		for (i = 0; i < ARRAY_SIZE(snd_es1371_mixer_spdif); i++) {
1663 			kctl = snd_ctl_new1(&snd_es1371_mixer_spdif[i], ensoniq);
1664 			if (!kctl)
1665 				return -ENOMEM;
1666 			kctl->id.index = is_spdif;
1667 			err = snd_ctl_add(card, kctl);
1668 			if (err < 0)
1669 				return err;
1670 		}
1671 	}
1672 	if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SDAC) {
1673 		/* mirror rear to front speakers */
1674 		ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1675 		ensoniq->cssr |= ES_1373_REAR_BIT26;
1676 		err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_rear, ensoniq));
1677 		if (err < 0)
1678 			return err;
1679 	}
1680 	if (has_line > 0 ||
1681 	    snd_pci_quirk_lookup(ensoniq->pci, ens1373_line_quirk)) {
1682 		 err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_line,
1683 						      ensoniq));
1684 		 if (err < 0)
1685 			 return err;
1686 	}
1687 
1688 	return 0;
1689 }
1690 
1691 #endif /* CHIP1371 */
1692 
1693 /* generic control callbacks for ens1370 */
1694 #ifdef CHIP1370
1695 #define ENSONIQ_CONTROL(xname, mask) \
1696 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = xname, .info = snd_ensoniq_control_info, \
1697   .get = snd_ensoniq_control_get, .put = snd_ensoniq_control_put, \
1698   .private_value = mask }
1699 
1700 #define snd_ensoniq_control_info	snd_ctl_boolean_mono_info
1701 
1702 static int snd_ensoniq_control_get(struct snd_kcontrol *kcontrol,
1703 				   struct snd_ctl_elem_value *ucontrol)
1704 {
1705 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1706 	int mask = kcontrol->private_value;
1707 
1708 	spin_lock_irq(&ensoniq->reg_lock);
1709 	ucontrol->value.integer.value[0] = ensoniq->ctrl & mask ? 1 : 0;
1710 	spin_unlock_irq(&ensoniq->reg_lock);
1711 	return 0;
1712 }
1713 
1714 static int snd_ensoniq_control_put(struct snd_kcontrol *kcontrol,
1715 				   struct snd_ctl_elem_value *ucontrol)
1716 {
1717 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1718 	int mask = kcontrol->private_value;
1719 	unsigned int nval;
1720 	int change;
1721 
1722 	nval = ucontrol->value.integer.value[0] ? mask : 0;
1723 	spin_lock_irq(&ensoniq->reg_lock);
1724 	change = (ensoniq->ctrl & mask) != nval;
1725 	ensoniq->ctrl &= ~mask;
1726 	ensoniq->ctrl |= nval;
1727 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1728 	spin_unlock_irq(&ensoniq->reg_lock);
1729 	return change;
1730 }
1731 
1732 /*
1733  * ENS1370 mixer
1734  */
1735 
1736 static struct snd_kcontrol_new snd_es1370_controls[2] = {
1737 ENSONIQ_CONTROL("PCM 0 Output also on Line-In Jack", ES_1370_XCTL0),
1738 ENSONIQ_CONTROL("Mic +5V bias", ES_1370_XCTL1)
1739 };
1740 
1741 #define ES1370_CONTROLS ARRAY_SIZE(snd_es1370_controls)
1742 
1743 static void snd_ensoniq_mixer_free_ak4531(struct snd_ak4531 *ak4531)
1744 {
1745 	struct ensoniq *ensoniq = ak4531->private_data;
1746 	ensoniq->u.es1370.ak4531 = NULL;
1747 }
1748 
1749 static int snd_ensoniq_1370_mixer(struct ensoniq *ensoniq)
1750 {
1751 	struct snd_card *card = ensoniq->card;
1752 	struct snd_ak4531 ak4531;
1753 	unsigned int idx;
1754 	int err;
1755 
1756 	/* try reset AK4531 */
1757 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
1758 	inw(ES_REG(ensoniq, 1370_CODEC));
1759 	udelay(100);
1760 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
1761 	inw(ES_REG(ensoniq, 1370_CODEC));
1762 	udelay(100);
1763 
1764 	memset(&ak4531, 0, sizeof(ak4531));
1765 	ak4531.write = snd_es1370_codec_write;
1766 	ak4531.private_data = ensoniq;
1767 	ak4531.private_free = snd_ensoniq_mixer_free_ak4531;
1768 	if ((err = snd_ak4531_mixer(card, &ak4531, &ensoniq->u.es1370.ak4531)) < 0)
1769 		return err;
1770 	for (idx = 0; idx < ES1370_CONTROLS; idx++) {
1771 		err = snd_ctl_add(card, snd_ctl_new1(&snd_es1370_controls[idx], ensoniq));
1772 		if (err < 0)
1773 			return err;
1774 	}
1775 	return 0;
1776 }
1777 
1778 #endif /* CHIP1370 */
1779 
1780 #ifdef SUPPORT_JOYSTICK
1781 
1782 #ifdef CHIP1371
1783 static int snd_ensoniq_get_joystick_port(struct ensoniq *ensoniq, int dev)
1784 {
1785 	switch (joystick_port[dev]) {
1786 	case 0: /* disabled */
1787 	case 1: /* auto-detect */
1788 	case 0x200:
1789 	case 0x208:
1790 	case 0x210:
1791 	case 0x218:
1792 		return joystick_port[dev];
1793 
1794 	default:
1795 		dev_err(ensoniq->card->dev,
1796 			"invalid joystick port %#x", joystick_port[dev]);
1797 		return 0;
1798 	}
1799 }
1800 #else
1801 static int snd_ensoniq_get_joystick_port(struct ensoniq *ensoniq, int dev)
1802 {
1803 	return joystick[dev] ? 0x200 : 0;
1804 }
1805 #endif
1806 
1807 static int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, int dev)
1808 {
1809 	struct gameport *gp;
1810 	int io_port;
1811 
1812 	io_port = snd_ensoniq_get_joystick_port(ensoniq, dev);
1813 
1814 	switch (io_port) {
1815 	case 0:
1816 		return -ENOSYS;
1817 
1818 	case 1: /* auto_detect */
1819 		for (io_port = 0x200; io_port <= 0x218; io_port += 8)
1820 			if (request_region(io_port, 8, "ens137x: gameport"))
1821 				break;
1822 		if (io_port > 0x218) {
1823 			dev_warn(ensoniq->card->dev,
1824 				 "no gameport ports available\n");
1825 			return -EBUSY;
1826 		}
1827 		break;
1828 
1829 	default:
1830 		if (!request_region(io_port, 8, "ens137x: gameport")) {
1831 			dev_warn(ensoniq->card->dev,
1832 				 "gameport io port %#x in use\n",
1833 			       io_port);
1834 			return -EBUSY;
1835 		}
1836 		break;
1837 	}
1838 
1839 	ensoniq->gameport = gp = gameport_allocate_port();
1840 	if (!gp) {
1841 		dev_err(ensoniq->card->dev,
1842 			"cannot allocate memory for gameport\n");
1843 		release_region(io_port, 8);
1844 		return -ENOMEM;
1845 	}
1846 
1847 	gameport_set_name(gp, "ES137x");
1848 	gameport_set_phys(gp, "pci%s/gameport0", pci_name(ensoniq->pci));
1849 	gameport_set_dev_parent(gp, &ensoniq->pci->dev);
1850 	gp->io = io_port;
1851 
1852 	ensoniq->ctrl |= ES_JYSTK_EN;
1853 #ifdef CHIP1371
1854 	ensoniq->ctrl &= ~ES_1371_JOY_ASELM;
1855 	ensoniq->ctrl |= ES_1371_JOY_ASEL((io_port - 0x200) / 8);
1856 #endif
1857 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1858 
1859 	gameport_register_port(ensoniq->gameport);
1860 
1861 	return 0;
1862 }
1863 
1864 static void snd_ensoniq_free_gameport(struct ensoniq *ensoniq)
1865 {
1866 	if (ensoniq->gameport) {
1867 		int port = ensoniq->gameport->io;
1868 
1869 		gameport_unregister_port(ensoniq->gameport);
1870 		ensoniq->gameport = NULL;
1871 		ensoniq->ctrl &= ~ES_JYSTK_EN;
1872 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1873 		release_region(port, 8);
1874 	}
1875 }
1876 #else
1877 static inline int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, long port) { return -ENOSYS; }
1878 static inline void snd_ensoniq_free_gameport(struct ensoniq *ensoniq) { }
1879 #endif /* SUPPORT_JOYSTICK */
1880 
1881 /*
1882 
1883  */
1884 
1885 static void snd_ensoniq_proc_read(struct snd_info_entry *entry,
1886 				  struct snd_info_buffer *buffer)
1887 {
1888 	struct ensoniq *ensoniq = entry->private_data;
1889 
1890 	snd_iprintf(buffer, "Ensoniq AudioPCI " CHIP_NAME "\n\n");
1891 	snd_iprintf(buffer, "Joystick enable  : %s\n",
1892 		    ensoniq->ctrl & ES_JYSTK_EN ? "on" : "off");
1893 #ifdef CHIP1370
1894 	snd_iprintf(buffer, "MIC +5V bias     : %s\n",
1895 		    ensoniq->ctrl & ES_1370_XCTL1 ? "on" : "off");
1896 	snd_iprintf(buffer, "Line In to AOUT  : %s\n",
1897 		    ensoniq->ctrl & ES_1370_XCTL0 ? "on" : "off");
1898 #else
1899 	snd_iprintf(buffer, "Joystick port    : 0x%x\n",
1900 		    (ES_1371_JOY_ASELI(ensoniq->ctrl) * 8) + 0x200);
1901 #endif
1902 }
1903 
1904 static void snd_ensoniq_proc_init(struct ensoniq *ensoniq)
1905 {
1906 	struct snd_info_entry *entry;
1907 
1908 	if (! snd_card_proc_new(ensoniq->card, "audiopci", &entry))
1909 		snd_info_set_text_ops(entry, ensoniq, snd_ensoniq_proc_read);
1910 }
1911 
1912 /*
1913 
1914  */
1915 
1916 static int snd_ensoniq_free(struct ensoniq *ensoniq)
1917 {
1918 	snd_ensoniq_free_gameport(ensoniq);
1919 	if (ensoniq->irq < 0)
1920 		goto __hw_end;
1921 #ifdef CHIP1370
1922 	outl(ES_1370_SERR_DISABLE, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1923 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1924 #else
1925 	outl(0, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1926 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1927 #endif
1928 	if (ensoniq->irq >= 0)
1929 		synchronize_irq(ensoniq->irq);
1930 	pci_set_power_state(ensoniq->pci, PCI_D3hot);
1931       __hw_end:
1932 #ifdef CHIP1370
1933 	if (ensoniq->dma_bug.area)
1934 		snd_dma_free_pages(&ensoniq->dma_bug);
1935 #endif
1936 	if (ensoniq->irq >= 0)
1937 		free_irq(ensoniq->irq, ensoniq);
1938 	pci_release_regions(ensoniq->pci);
1939 	pci_disable_device(ensoniq->pci);
1940 	kfree(ensoniq);
1941 	return 0;
1942 }
1943 
1944 static int snd_ensoniq_dev_free(struct snd_device *device)
1945 {
1946 	struct ensoniq *ensoniq = device->device_data;
1947 	return snd_ensoniq_free(ensoniq);
1948 }
1949 
1950 #ifdef CHIP1371
1951 static struct snd_pci_quirk es1371_amplifier_hack[] = {
1952 	SND_PCI_QUIRK_ID(0x107b, 0x2150),	/* Gateway Solo 2150 */
1953 	SND_PCI_QUIRK_ID(0x13bd, 0x100c),	/* EV1938 on Mebius PC-MJ100V */
1954 	SND_PCI_QUIRK_ID(0x1102, 0x5938),	/* Targa Xtender300 */
1955 	SND_PCI_QUIRK_ID(0x1102, 0x8938),	/* IPC Topnote G notebook */
1956 	{ } /* end */
1957 };
1958 
1959 static struct es1371_quirk es1371_ac97_reset_hack[] = {
1960 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1961 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1962 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1963 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1964 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1965 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1966 };
1967 #endif
1968 
1969 static void snd_ensoniq_chip_init(struct ensoniq *ensoniq)
1970 {
1971 #ifdef CHIP1371
1972 	int idx;
1973 #endif
1974 	/* this code was part of snd_ensoniq_create before intruduction
1975 	  * of suspend/resume
1976 	  */
1977 #ifdef CHIP1370
1978 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1979 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1980 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1981 	outl(ensoniq->dma_bug.addr, ES_REG(ensoniq, PHANTOM_FRAME));
1982 	outl(0, ES_REG(ensoniq, PHANTOM_COUNT));
1983 #else
1984 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1985 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1986 	outl(0, ES_REG(ensoniq, 1371_LEGACY));
1987 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack)) {
1988 	    outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1989 	    /* need to delay around 20ms(bleech) to give
1990 	       some CODECs enough time to wakeup */
1991 	    msleep(20);
1992 	}
1993 	/* AC'97 warm reset to start the bitclk */
1994 	outl(ensoniq->ctrl | ES_1371_SYNC_RES, ES_REG(ensoniq, CONTROL));
1995 	inl(ES_REG(ensoniq, CONTROL));
1996 	udelay(20);
1997 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1998 	/* Init the sample rate converter */
1999 	snd_es1371_wait_src_ready(ensoniq);
2000 	outl(ES_1371_SRC_DISABLE, ES_REG(ensoniq, 1371_SMPRATE));
2001 	for (idx = 0; idx < 0x80; idx++)
2002 		snd_es1371_src_write(ensoniq, idx, 0);
2003 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_TRUNC_N, 16 << 4);
2004 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS, 16 << 10);
2005 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_TRUNC_N, 16 << 4);
2006 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS, 16 << 10);
2007 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, 1 << 12);
2008 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, 1 << 12);
2009 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1, 1 << 12);
2010 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1 + 1, 1 << 12);
2011 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2, 1 << 12);
2012 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2 + 1, 1 << 12);
2013 	snd_es1371_adc_rate(ensoniq, 22050);
2014 	snd_es1371_dac1_rate(ensoniq, 22050);
2015 	snd_es1371_dac2_rate(ensoniq, 22050);
2016 	/* WARNING:
2017 	 * enabling the sample rate converter without properly programming
2018 	 * its parameters causes the chip to lock up (the SRC busy bit will
2019 	 * be stuck high, and I've found no way to rectify this other than
2020 	 * power cycle) - Thomas Sailer
2021 	 */
2022 	snd_es1371_wait_src_ready(ensoniq);
2023 	outl(0, ES_REG(ensoniq, 1371_SMPRATE));
2024 	/* try reset codec directly */
2025 	outl(ES_1371_CODEC_WRITE(0, 0), ES_REG(ensoniq, 1371_CODEC));
2026 #endif
2027 	outb(ensoniq->uartc = 0x00, ES_REG(ensoniq, UART_CONTROL));
2028 	outb(0x00, ES_REG(ensoniq, UART_RES));
2029 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
2030 	synchronize_irq(ensoniq->irq);
2031 }
2032 
2033 #ifdef CONFIG_PM_SLEEP
2034 static int snd_ensoniq_suspend(struct device *dev)
2035 {
2036 	struct snd_card *card = dev_get_drvdata(dev);
2037 	struct ensoniq *ensoniq = card->private_data;
2038 
2039 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2040 
2041 	snd_pcm_suspend_all(ensoniq->pcm1);
2042 	snd_pcm_suspend_all(ensoniq->pcm2);
2043 
2044 #ifdef CHIP1371
2045 	snd_ac97_suspend(ensoniq->u.es1371.ac97);
2046 #else
2047 	/* try to reset AK4531 */
2048 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
2049 	inw(ES_REG(ensoniq, 1370_CODEC));
2050 	udelay(100);
2051 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
2052 	inw(ES_REG(ensoniq, 1370_CODEC));
2053 	udelay(100);
2054 	snd_ak4531_suspend(ensoniq->u.es1370.ak4531);
2055 #endif
2056 	return 0;
2057 }
2058 
2059 static int snd_ensoniq_resume(struct device *dev)
2060 {
2061 	struct snd_card *card = dev_get_drvdata(dev);
2062 	struct ensoniq *ensoniq = card->private_data;
2063 
2064 	snd_ensoniq_chip_init(ensoniq);
2065 
2066 #ifdef CHIP1371
2067 	snd_ac97_resume(ensoniq->u.es1371.ac97);
2068 #else
2069 	snd_ak4531_resume(ensoniq->u.es1370.ak4531);
2070 #endif
2071 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2072 	return 0;
2073 }
2074 
2075 static SIMPLE_DEV_PM_OPS(snd_ensoniq_pm, snd_ensoniq_suspend, snd_ensoniq_resume);
2076 #define SND_ENSONIQ_PM_OPS	&snd_ensoniq_pm
2077 #else
2078 #define SND_ENSONIQ_PM_OPS	NULL
2079 #endif /* CONFIG_PM_SLEEP */
2080 
2081 static int snd_ensoniq_create(struct snd_card *card,
2082 			      struct pci_dev *pci,
2083 			      struct ensoniq **rensoniq)
2084 {
2085 	struct ensoniq *ensoniq;
2086 	int err;
2087 	static struct snd_device_ops ops = {
2088 		.dev_free =	snd_ensoniq_dev_free,
2089 	};
2090 
2091 	*rensoniq = NULL;
2092 	if ((err = pci_enable_device(pci)) < 0)
2093 		return err;
2094 	ensoniq = kzalloc(sizeof(*ensoniq), GFP_KERNEL);
2095 	if (ensoniq == NULL) {
2096 		pci_disable_device(pci);
2097 		return -ENOMEM;
2098 	}
2099 	spin_lock_init(&ensoniq->reg_lock);
2100 	mutex_init(&ensoniq->src_mutex);
2101 	ensoniq->card = card;
2102 	ensoniq->pci = pci;
2103 	ensoniq->irq = -1;
2104 	if ((err = pci_request_regions(pci, "Ensoniq AudioPCI")) < 0) {
2105 		kfree(ensoniq);
2106 		pci_disable_device(pci);
2107 		return err;
2108 	}
2109 	ensoniq->port = pci_resource_start(pci, 0);
2110 	if (request_irq(pci->irq, snd_audiopci_interrupt, IRQF_SHARED,
2111 			KBUILD_MODNAME, ensoniq)) {
2112 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2113 		snd_ensoniq_free(ensoniq);
2114 		return -EBUSY;
2115 	}
2116 	ensoniq->irq = pci->irq;
2117 #ifdef CHIP1370
2118 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2119 				16, &ensoniq->dma_bug) < 0) {
2120 		dev_err(card->dev, "unable to allocate space for phantom area - dma_bug\n");
2121 		snd_ensoniq_free(ensoniq);
2122 		return -EBUSY;
2123 	}
2124 #endif
2125 	pci_set_master(pci);
2126 	ensoniq->rev = pci->revision;
2127 #ifdef CHIP1370
2128 #if 0
2129 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_SERR_DISABLE |
2130 		ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2131 #else	/* get microphone working */
2132 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2133 #endif
2134 	ensoniq->sctrl = 0;
2135 #else
2136 	ensoniq->ctrl = 0;
2137 	ensoniq->sctrl = 0;
2138 	ensoniq->cssr = 0;
2139 	if (snd_pci_quirk_lookup(pci, es1371_amplifier_hack))
2140 		ensoniq->ctrl |= ES_1371_GPIO_OUT(1);	/* turn amplifier on */
2141 
2142 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack))
2143 		ensoniq->cssr |= ES_1371_ST_AC97_RST;
2144 #endif
2145 
2146 	snd_ensoniq_chip_init(ensoniq);
2147 
2148 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ensoniq, &ops)) < 0) {
2149 		snd_ensoniq_free(ensoniq);
2150 		return err;
2151 	}
2152 
2153 	snd_ensoniq_proc_init(ensoniq);
2154 
2155 	*rensoniq = ensoniq;
2156 	return 0;
2157 }
2158 
2159 /*
2160  *  MIDI section
2161  */
2162 
2163 static void snd_ensoniq_midi_interrupt(struct ensoniq * ensoniq)
2164 {
2165 	struct snd_rawmidi *rmidi = ensoniq->rmidi;
2166 	unsigned char status, mask, byte;
2167 
2168 	if (rmidi == NULL)
2169 		return;
2170 	/* do Rx at first */
2171 	spin_lock(&ensoniq->reg_lock);
2172 	mask = ensoniq->uartm & ES_MODE_INPUT ? ES_RXRDY : 0;
2173 	while (mask) {
2174 		status = inb(ES_REG(ensoniq, UART_STATUS));
2175 		if ((status & mask) == 0)
2176 			break;
2177 		byte = inb(ES_REG(ensoniq, UART_DATA));
2178 		snd_rawmidi_receive(ensoniq->midi_input, &byte, 1);
2179 	}
2180 	spin_unlock(&ensoniq->reg_lock);
2181 
2182 	/* do Tx at second */
2183 	spin_lock(&ensoniq->reg_lock);
2184 	mask = ensoniq->uartm & ES_MODE_OUTPUT ? ES_TXRDY : 0;
2185 	while (mask) {
2186 		status = inb(ES_REG(ensoniq, UART_STATUS));
2187 		if ((status & mask) == 0)
2188 			break;
2189 		if (snd_rawmidi_transmit(ensoniq->midi_output, &byte, 1) != 1) {
2190 			ensoniq->uartc &= ~ES_TXINTENM;
2191 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2192 			mask &= ~ES_TXRDY;
2193 		} else {
2194 			outb(byte, ES_REG(ensoniq, UART_DATA));
2195 		}
2196 	}
2197 	spin_unlock(&ensoniq->reg_lock);
2198 }
2199 
2200 static int snd_ensoniq_midi_input_open(struct snd_rawmidi_substream *substream)
2201 {
2202 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2203 
2204 	spin_lock_irq(&ensoniq->reg_lock);
2205 	ensoniq->uartm |= ES_MODE_INPUT;
2206 	ensoniq->midi_input = substream;
2207 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2208 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2209 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2210 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2211 	}
2212 	spin_unlock_irq(&ensoniq->reg_lock);
2213 	return 0;
2214 }
2215 
2216 static int snd_ensoniq_midi_input_close(struct snd_rawmidi_substream *substream)
2217 {
2218 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2219 
2220 	spin_lock_irq(&ensoniq->reg_lock);
2221 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2222 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2223 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2224 	} else {
2225 		outb(ensoniq->uartc &= ~ES_RXINTEN, ES_REG(ensoniq, UART_CONTROL));
2226 	}
2227 	ensoniq->midi_input = NULL;
2228 	ensoniq->uartm &= ~ES_MODE_INPUT;
2229 	spin_unlock_irq(&ensoniq->reg_lock);
2230 	return 0;
2231 }
2232 
2233 static int snd_ensoniq_midi_output_open(struct snd_rawmidi_substream *substream)
2234 {
2235 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2236 
2237 	spin_lock_irq(&ensoniq->reg_lock);
2238 	ensoniq->uartm |= ES_MODE_OUTPUT;
2239 	ensoniq->midi_output = substream;
2240 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2241 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2242 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2243 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2244 	}
2245 	spin_unlock_irq(&ensoniq->reg_lock);
2246 	return 0;
2247 }
2248 
2249 static int snd_ensoniq_midi_output_close(struct snd_rawmidi_substream *substream)
2250 {
2251 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2252 
2253 	spin_lock_irq(&ensoniq->reg_lock);
2254 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2255 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2256 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2257 	} else {
2258 		outb(ensoniq->uartc &= ~ES_TXINTENM, ES_REG(ensoniq, UART_CONTROL));
2259 	}
2260 	ensoniq->midi_output = NULL;
2261 	ensoniq->uartm &= ~ES_MODE_OUTPUT;
2262 	spin_unlock_irq(&ensoniq->reg_lock);
2263 	return 0;
2264 }
2265 
2266 static void snd_ensoniq_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
2267 {
2268 	unsigned long flags;
2269 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2270 	int idx;
2271 
2272 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2273 	if (up) {
2274 		if ((ensoniq->uartc & ES_RXINTEN) == 0) {
2275 			/* empty input FIFO */
2276 			for (idx = 0; idx < 32; idx++)
2277 				inb(ES_REG(ensoniq, UART_DATA));
2278 			ensoniq->uartc |= ES_RXINTEN;
2279 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2280 		}
2281 	} else {
2282 		if (ensoniq->uartc & ES_RXINTEN) {
2283 			ensoniq->uartc &= ~ES_RXINTEN;
2284 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2285 		}
2286 	}
2287 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2288 }
2289 
2290 static void snd_ensoniq_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
2291 {
2292 	unsigned long flags;
2293 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2294 	unsigned char byte;
2295 
2296 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2297 	if (up) {
2298 		if (ES_TXINTENI(ensoniq->uartc) == 0) {
2299 			ensoniq->uartc |= ES_TXINTENO(1);
2300 			/* fill UART FIFO buffer at first, and turn Tx interrupts only if necessary */
2301 			while (ES_TXINTENI(ensoniq->uartc) == 1 &&
2302 			       (inb(ES_REG(ensoniq, UART_STATUS)) & ES_TXRDY)) {
2303 				if (snd_rawmidi_transmit(substream, &byte, 1) != 1) {
2304 					ensoniq->uartc &= ~ES_TXINTENM;
2305 				} else {
2306 					outb(byte, ES_REG(ensoniq, UART_DATA));
2307 				}
2308 			}
2309 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2310 		}
2311 	} else {
2312 		if (ES_TXINTENI(ensoniq->uartc) == 1) {
2313 			ensoniq->uartc &= ~ES_TXINTENM;
2314 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2315 		}
2316 	}
2317 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2318 }
2319 
2320 static const struct snd_rawmidi_ops snd_ensoniq_midi_output =
2321 {
2322 	.open =		snd_ensoniq_midi_output_open,
2323 	.close =	snd_ensoniq_midi_output_close,
2324 	.trigger =	snd_ensoniq_midi_output_trigger,
2325 };
2326 
2327 static const struct snd_rawmidi_ops snd_ensoniq_midi_input =
2328 {
2329 	.open =		snd_ensoniq_midi_input_open,
2330 	.close =	snd_ensoniq_midi_input_close,
2331 	.trigger =	snd_ensoniq_midi_input_trigger,
2332 };
2333 
2334 static int snd_ensoniq_midi(struct ensoniq *ensoniq, int device)
2335 {
2336 	struct snd_rawmidi *rmidi;
2337 	int err;
2338 
2339 	if ((err = snd_rawmidi_new(ensoniq->card, "ES1370/1", device, 1, 1, &rmidi)) < 0)
2340 		return err;
2341 	strcpy(rmidi->name, CHIP_NAME);
2342 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_ensoniq_midi_output);
2343 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_ensoniq_midi_input);
2344 	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT |
2345 		SNDRV_RAWMIDI_INFO_DUPLEX;
2346 	rmidi->private_data = ensoniq;
2347 	ensoniq->rmidi = rmidi;
2348 	return 0;
2349 }
2350 
2351 /*
2352  *  Interrupt handler
2353  */
2354 
2355 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id)
2356 {
2357 	struct ensoniq *ensoniq = dev_id;
2358 	unsigned int status, sctrl;
2359 
2360 	if (ensoniq == NULL)
2361 		return IRQ_NONE;
2362 
2363 	status = inl(ES_REG(ensoniq, STATUS));
2364 	if (!(status & ES_INTR))
2365 		return IRQ_NONE;
2366 
2367 	spin_lock(&ensoniq->reg_lock);
2368 	sctrl = ensoniq->sctrl;
2369 	if (status & ES_DAC1)
2370 		sctrl &= ~ES_P1_INT_EN;
2371 	if (status & ES_DAC2)
2372 		sctrl &= ~ES_P2_INT_EN;
2373 	if (status & ES_ADC)
2374 		sctrl &= ~ES_R1_INT_EN;
2375 	outl(sctrl, ES_REG(ensoniq, SERIAL));
2376 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
2377 	spin_unlock(&ensoniq->reg_lock);
2378 
2379 	if (status & ES_UART)
2380 		snd_ensoniq_midi_interrupt(ensoniq);
2381 	if ((status & ES_DAC2) && ensoniq->playback2_substream)
2382 		snd_pcm_period_elapsed(ensoniq->playback2_substream);
2383 	if ((status & ES_ADC) && ensoniq->capture_substream)
2384 		snd_pcm_period_elapsed(ensoniq->capture_substream);
2385 	if ((status & ES_DAC1) && ensoniq->playback1_substream)
2386 		snd_pcm_period_elapsed(ensoniq->playback1_substream);
2387 	return IRQ_HANDLED;
2388 }
2389 
2390 static int snd_audiopci_probe(struct pci_dev *pci,
2391 			      const struct pci_device_id *pci_id)
2392 {
2393 	static int dev;
2394 	struct snd_card *card;
2395 	struct ensoniq *ensoniq;
2396 	int err, pcm_devs[2];
2397 
2398 	if (dev >= SNDRV_CARDS)
2399 		return -ENODEV;
2400 	if (!enable[dev]) {
2401 		dev++;
2402 		return -ENOENT;
2403 	}
2404 
2405 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2406 			   0, &card);
2407 	if (err < 0)
2408 		return err;
2409 
2410 	if ((err = snd_ensoniq_create(card, pci, &ensoniq)) < 0) {
2411 		snd_card_free(card);
2412 		return err;
2413 	}
2414 	card->private_data = ensoniq;
2415 
2416 	pcm_devs[0] = 0; pcm_devs[1] = 1;
2417 #ifdef CHIP1370
2418 	if ((err = snd_ensoniq_1370_mixer(ensoniq)) < 0) {
2419 		snd_card_free(card);
2420 		return err;
2421 	}
2422 #endif
2423 #ifdef CHIP1371
2424 	if ((err = snd_ensoniq_1371_mixer(ensoniq, spdif[dev], lineio[dev])) < 0) {
2425 		snd_card_free(card);
2426 		return err;
2427 	}
2428 #endif
2429 	if ((err = snd_ensoniq_pcm(ensoniq, 0)) < 0) {
2430 		snd_card_free(card);
2431 		return err;
2432 	}
2433 	if ((err = snd_ensoniq_pcm2(ensoniq, 1)) < 0) {
2434 		snd_card_free(card);
2435 		return err;
2436 	}
2437 	if ((err = snd_ensoniq_midi(ensoniq, 0)) < 0) {
2438 		snd_card_free(card);
2439 		return err;
2440 	}
2441 
2442 	snd_ensoniq_create_gameport(ensoniq, dev);
2443 
2444 	strcpy(card->driver, DRIVER_NAME);
2445 
2446 	strcpy(card->shortname, "Ensoniq AudioPCI");
2447 	sprintf(card->longname, "%s %s at 0x%lx, irq %i",
2448 		card->shortname,
2449 		card->driver,
2450 		ensoniq->port,
2451 		ensoniq->irq);
2452 
2453 	if ((err = snd_card_register(card)) < 0) {
2454 		snd_card_free(card);
2455 		return err;
2456 	}
2457 
2458 	pci_set_drvdata(pci, card);
2459 	dev++;
2460 	return 0;
2461 }
2462 
2463 static void snd_audiopci_remove(struct pci_dev *pci)
2464 {
2465 	snd_card_free(pci_get_drvdata(pci));
2466 }
2467 
2468 static struct pci_driver ens137x_driver = {
2469 	.name = KBUILD_MODNAME,
2470 	.id_table = snd_audiopci_ids,
2471 	.probe = snd_audiopci_probe,
2472 	.remove = snd_audiopci_remove,
2473 	.driver = {
2474 		.pm = SND_ENSONIQ_PM_OPS,
2475 	},
2476 };
2477 
2478 module_pci_driver(ens137x_driver);
2479