xref: /openbmc/linux/sound/pci/ens1370.c (revision 5e012745)
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 MODULE_SUPPORTED_DEVICE("{{Ensoniq,AudioPCI-97 ES1370},"
56 	        "{Creative Labs,SB PCI64/128 (ES1370)}}");
57 #endif
58 #ifdef CHIP1371
59 MODULE_DESCRIPTION("Ensoniq/Creative AudioPCI ES1371+");
60 MODULE_SUPPORTED_DEVICE("{{Ensoniq,AudioPCI ES1371/73},"
61 		"{Ensoniq,AudioPCI ES1373},"
62 		"{Creative Labs,Ectiva EV1938},"
63 		"{Creative Labs,SB PCI64/128 (ES1371/73)},"
64 		"{Creative Labs,Vibra PCI128},"
65 		"{Ectiva,EV1938}}");
66 #endif
67 
68 #if IS_REACHABLE(CONFIG_GAMEPORT)
69 #define SUPPORT_JOYSTICK
70 #endif
71 
72 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
73 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
74 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable switches */
75 #ifdef SUPPORT_JOYSTICK
76 #ifdef CHIP1371
77 static int joystick_port[SNDRV_CARDS];
78 #else
79 static bool joystick[SNDRV_CARDS];
80 #endif
81 #endif
82 #ifdef CHIP1371
83 static int spdif[SNDRV_CARDS];
84 static int lineio[SNDRV_CARDS];
85 #endif
86 
87 module_param_array(index, int, NULL, 0444);
88 MODULE_PARM_DESC(index, "Index value for Ensoniq AudioPCI soundcard.");
89 module_param_array(id, charp, NULL, 0444);
90 MODULE_PARM_DESC(id, "ID string for Ensoniq AudioPCI soundcard.");
91 module_param_array(enable, bool, NULL, 0444);
92 MODULE_PARM_DESC(enable, "Enable Ensoniq AudioPCI soundcard.");
93 #ifdef SUPPORT_JOYSTICK
94 #ifdef CHIP1371
95 module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
96 MODULE_PARM_DESC(joystick_port, "Joystick port address.");
97 #else
98 module_param_array(joystick, bool, NULL, 0444);
99 MODULE_PARM_DESC(joystick, "Enable joystick.");
100 #endif
101 #endif /* SUPPORT_JOYSTICK */
102 #ifdef CHIP1371
103 module_param_array(spdif, int, NULL, 0444);
104 MODULE_PARM_DESC(spdif, "S/PDIF output (-1 = none, 0 = auto, 1 = force).");
105 module_param_array(lineio, int, NULL, 0444);
106 MODULE_PARM_DESC(lineio, "Line In to Rear Out (0 = auto, 1 = force).");
107 #endif
108 
109 /* ES1371 chip ID */
110 /* This is a little confusing because all ES1371 compatible chips have the
111    same DEVICE_ID, the only thing differentiating them is the REV_ID field.
112    This is only significant if you want to enable features on the later parts.
113    Yes, I know it's stupid and why didn't we use the sub IDs?
114 */
115 #define ES1371REV_ES1373_A  0x04
116 #define ES1371REV_ES1373_B  0x06
117 #define ES1371REV_CT5880_A  0x07
118 #define CT5880REV_CT5880_C  0x02
119 #define CT5880REV_CT5880_D  0x03	/* ??? -jk */
120 #define CT5880REV_CT5880_E  0x04	/* mw */
121 #define ES1371REV_ES1371_B  0x09
122 #define EV1938REV_EV1938_A  0x00
123 #define ES1371REV_ES1373_8  0x08
124 
125 /*
126  * Direct registers
127  */
128 
129 #define ES_REG(ensoniq, x) ((ensoniq)->port + ES_REG_##x)
130 
131 #define ES_REG_CONTROL	0x00	/* R/W: Interrupt/Chip select control register */
132 #define   ES_1370_ADC_STOP	(1<<31)		/* disable capture buffer transfers */
133 #define   ES_1370_XCTL1 	(1<<30)		/* general purpose output bit */
134 #define   ES_1373_BYPASS_P1	(1<<31)		/* bypass SRC for PB1 */
135 #define   ES_1373_BYPASS_P2	(1<<30)		/* bypass SRC for PB2 */
136 #define   ES_1373_BYPASS_R	(1<<29)		/* bypass SRC for REC */
137 #define   ES_1373_TEST_BIT	(1<<28)		/* should be set to 0 for normal operation */
138 #define   ES_1373_RECEN_B	(1<<27)		/* mix record with playback for I2S/SPDIF out */
139 #define   ES_1373_SPDIF_THRU	(1<<26)		/* 0 = SPDIF thru mode, 1 = SPDIF == dig out */
140 #define   ES_1371_JOY_ASEL(o)	(((o)&0x03)<<24)/* joystick port mapping */
141 #define   ES_1371_JOY_ASELM	(0x03<<24)	/* mask for above */
142 #define   ES_1371_JOY_ASELI(i)  (((i)>>24)&0x03)
143 #define   ES_1371_GPIO_IN(i)	(((i)>>20)&0x0f)/* GPIO in [3:0] pins - R/O */
144 #define   ES_1370_PCLKDIVO(o)	(((o)&0x1fff)<<16)/* clock divide ratio for DAC2 */
145 #define   ES_1370_PCLKDIVM	((0x1fff)<<16)	/* mask for above */
146 #define   ES_1370_PCLKDIVI(i)	(((i)>>16)&0x1fff)/* clock divide ratio for DAC2 */
147 #define   ES_1371_GPIO_OUT(o)	(((o)&0x0f)<<16)/* GPIO out [3:0] pins - W/R */
148 #define   ES_1371_GPIO_OUTM     (0x0f<<16)	/* mask for above */
149 #define   ES_MSFMTSEL		(1<<15)		/* MPEG serial data format; 0 = SONY, 1 = I2S */
150 #define   ES_1370_M_SBB		(1<<14)		/* clock source for DAC - 0 = clock generator; 1 = MPEG clocks */
151 #define   ES_1371_SYNC_RES	(1<<14)		/* Warm AC97 reset */
152 #define   ES_1370_WTSRSEL(o)	(((o)&0x03)<<12)/* fixed frequency clock for DAC1 */
153 #define   ES_1370_WTSRSELM	(0x03<<12)	/* mask for above */
154 #define   ES_1371_ADC_STOP	(1<<13)		/* disable CCB transfer capture information */
155 #define   ES_1371_PWR_INTRM	(1<<12)		/* power level change interrupts enable */
156 #define   ES_1370_DAC_SYNC	(1<<11)		/* DAC's are synchronous */
157 #define   ES_1371_M_CB		(1<<11)		/* capture clock source; 0 = AC'97 ADC; 1 = I2S */
158 #define   ES_CCB_INTRM		(1<<10)		/* CCB voice interrupts enable */
159 #define   ES_1370_M_CB		(1<<9)		/* capture clock source; 0 = ADC; 1 = MPEG */
160 #define   ES_1370_XCTL0		(1<<8)		/* generap purpose output bit */
161 #define   ES_1371_PDLEV(o)	(((o)&0x03)<<8)	/* current power down level */
162 #define   ES_1371_PDLEVM	(0x03<<8)	/* mask for above */
163 #define   ES_BREQ		(1<<7)		/* memory bus request enable */
164 #define   ES_DAC1_EN		(1<<6)		/* DAC1 playback channel enable */
165 #define   ES_DAC2_EN		(1<<5)		/* DAC2 playback channel enable */
166 #define   ES_ADC_EN		(1<<4)		/* ADC capture channel enable */
167 #define   ES_UART_EN		(1<<3)		/* UART enable */
168 #define   ES_JYSTK_EN		(1<<2)		/* Joystick module enable */
169 #define   ES_1370_CDC_EN	(1<<1)		/* Codec interface enable */
170 #define   ES_1371_XTALCKDIS	(1<<1)		/* Xtal clock disable */
171 #define   ES_1370_SERR_DISABLE	(1<<0)		/* PCI serr signal disable */
172 #define   ES_1371_PCICLKDIS     (1<<0)		/* PCI clock disable */
173 #define ES_REG_STATUS	0x04	/* R/O: Interrupt/Chip select status register */
174 #define   ES_INTR               (1<<31)		/* Interrupt is pending */
175 #define   ES_1371_ST_AC97_RST	(1<<29)		/* CT5880 AC'97 Reset bit */
176 #define   ES_1373_REAR_BIT27	(1<<27)		/* rear bits: 000 - front, 010 - mirror, 101 - separate */
177 #define   ES_1373_REAR_BIT26	(1<<26)
178 #define   ES_1373_REAR_BIT24	(1<<24)
179 #define   ES_1373_GPIO_INT_EN(o)(((o)&0x0f)<<20)/* GPIO [3:0] pins - interrupt enable */
180 #define   ES_1373_SPDIF_EN	(1<<18)		/* SPDIF enable */
181 #define   ES_1373_SPDIF_TEST	(1<<17)		/* SPDIF test */
182 #define   ES_1371_TEST          (1<<16)		/* test ASIC */
183 #define   ES_1373_GPIO_INT(i)	(((i)&0x0f)>>12)/* GPIO [3:0] pins - interrupt pending */
184 #define   ES_1370_CSTAT		(1<<10)		/* CODEC is busy or register write in progress */
185 #define   ES_1370_CBUSY         (1<<9)		/* CODEC is busy */
186 #define   ES_1370_CWRIP		(1<<8)		/* CODEC register write in progress */
187 #define   ES_1371_SYNC_ERR	(1<<8)		/* CODEC synchronization error occurred */
188 #define   ES_1371_VC(i)         (((i)>>6)&0x03)	/* voice code from CCB module */
189 #define   ES_1370_VC(i)		(((i)>>5)&0x03)	/* voice code from CCB module */
190 #define   ES_1371_MPWR          (1<<5)		/* power level interrupt pending */
191 #define   ES_MCCB		(1<<4)		/* CCB interrupt pending */
192 #define   ES_UART		(1<<3)		/* UART interrupt pending */
193 #define   ES_DAC1		(1<<2)		/* DAC1 channel interrupt pending */
194 #define   ES_DAC2		(1<<1)		/* DAC2 channel interrupt pending */
195 #define   ES_ADC		(1<<0)		/* ADC channel interrupt pending */
196 #define ES_REG_UART_DATA 0x08	/* R/W: UART data register */
197 #define ES_REG_UART_STATUS 0x09	/* R/O: UART status register */
198 #define   ES_RXINT		(1<<7)		/* RX interrupt occurred */
199 #define   ES_TXINT		(1<<2)		/* TX interrupt occurred */
200 #define   ES_TXRDY		(1<<1)		/* transmitter ready */
201 #define   ES_RXRDY		(1<<0)		/* receiver ready */
202 #define ES_REG_UART_CONTROL 0x09	/* W/O: UART control register */
203 #define   ES_RXINTEN		(1<<7)		/* RX interrupt enable */
204 #define   ES_TXINTENO(o)	(((o)&0x03)<<5)	/* TX interrupt enable */
205 #define   ES_TXINTENM		(0x03<<5)	/* mask for above */
206 #define   ES_TXINTENI(i)	(((i)>>5)&0x03)
207 #define   ES_CNTRL(o)		(((o)&0x03)<<0)	/* control */
208 #define   ES_CNTRLM		(0x03<<0)	/* mask for above */
209 #define ES_REG_UART_RES	0x0a	/* R/W: UART reserver register */
210 #define   ES_TEST_MODE		(1<<0)		/* test mode enabled */
211 #define ES_REG_MEM_PAGE	0x0c	/* R/W: Memory page register */
212 #define   ES_MEM_PAGEO(o)	(((o)&0x0f)<<0)	/* memory page select - out */
213 #define   ES_MEM_PAGEM		(0x0f<<0)	/* mask for above */
214 #define   ES_MEM_PAGEI(i)	(((i)>>0)&0x0f) /* memory page select - in */
215 #define ES_REG_1370_CODEC 0x10	/* W/O: Codec write register address */
216 #define   ES_1370_CODEC_WRITE(a,d) ((((a)&0xff)<<8)|(((d)&0xff)<<0))
217 #define ES_REG_1371_CODEC 0x14	/* W/R: Codec Read/Write register address */
218 #define   ES_1371_CODEC_RDY	   (1<<31)	/* codec ready */
219 #define   ES_1371_CODEC_WIP	   (1<<30)	/* codec register access in progress */
220 #define   EV_1938_CODEC_MAGIC	   (1<<26)
221 #define   ES_1371_CODEC_PIRD	   (1<<23)	/* codec read/write select register */
222 #define   ES_1371_CODEC_WRITE(a,d) ((((a)&0x7f)<<16)|(((d)&0xffff)<<0))
223 #define   ES_1371_CODEC_READS(a)   ((((a)&0x7f)<<16)|ES_1371_CODEC_PIRD)
224 #define   ES_1371_CODEC_READ(i)    (((i)>>0)&0xffff)
225 
226 #define ES_REG_1371_SMPRATE 0x10	/* W/R: Codec rate converter interface register */
227 #define   ES_1371_SRC_RAM_ADDRO(o) (((o)&0x7f)<<25)/* address of the sample rate converter */
228 #define   ES_1371_SRC_RAM_ADDRM	   (0x7f<<25)	/* mask for above */
229 #define   ES_1371_SRC_RAM_ADDRI(i) (((i)>>25)&0x7f)/* address of the sample rate converter */
230 #define   ES_1371_SRC_RAM_WE	   (1<<24)	/* R/W: read/write control for sample rate converter */
231 #define   ES_1371_SRC_RAM_BUSY     (1<<23)	/* R/O: sample rate memory is busy */
232 #define   ES_1371_SRC_DISABLE      (1<<22)	/* sample rate converter disable */
233 #define   ES_1371_DIS_P1	   (1<<21)	/* playback channel 1 accumulator update disable */
234 #define   ES_1371_DIS_P2	   (1<<20)	/* playback channel 1 accumulator update disable */
235 #define   ES_1371_DIS_R1	   (1<<19)	/* capture channel accumulator update disable */
236 #define   ES_1371_SRC_RAM_DATAO(o) (((o)&0xffff)<<0)/* current value of the sample rate converter */
237 #define   ES_1371_SRC_RAM_DATAM	   (0xffff<<0)	/* mask for above */
238 #define   ES_1371_SRC_RAM_DATAI(i) (((i)>>0)&0xffff)/* current value of the sample rate converter */
239 
240 #define ES_REG_1371_LEGACY 0x18	/* W/R: Legacy control/status register */
241 #define   ES_1371_JFAST		(1<<31)		/* fast joystick timing */
242 #define   ES_1371_HIB		(1<<30)		/* host interrupt blocking enable */
243 #define   ES_1371_VSB		(1<<29)		/* SB; 0 = addr 0x220xH, 1 = 0x22FxH */
244 #define   ES_1371_VMPUO(o)	(((o)&0x03)<<27)/* base register address; 0 = 0x320xH; 1 = 0x330xH; 2 = 0x340xH; 3 = 0x350xH */
245 #define   ES_1371_VMPUM		(0x03<<27)	/* mask for above */
246 #define   ES_1371_VMPUI(i)	(((i)>>27)&0x03)/* base register address */
247 #define   ES_1371_VCDCO(o)	(((o)&0x03)<<25)/* CODEC; 0 = 0x530xH; 1 = undefined; 2 = 0xe80xH; 3 = 0xF40xH */
248 #define   ES_1371_VCDCM		(0x03<<25)	/* mask for above */
249 #define   ES_1371_VCDCI(i)	(((i)>>25)&0x03)/* CODEC address */
250 #define   ES_1371_FIRQ		(1<<24)		/* force an interrupt */
251 #define   ES_1371_SDMACAP	(1<<23)		/* enable event capture for slave DMA controller */
252 #define   ES_1371_SPICAP	(1<<22)		/* enable event capture for slave IRQ controller */
253 #define   ES_1371_MDMACAP	(1<<21)		/* enable event capture for master DMA controller */
254 #define   ES_1371_MPICAP	(1<<20)		/* enable event capture for master IRQ controller */
255 #define   ES_1371_ADCAP		(1<<19)		/* enable event capture for ADLIB register; 0x388xH */
256 #define   ES_1371_SVCAP		(1<<18)		/* enable event capture for SB registers */
257 #define   ES_1371_CDCCAP	(1<<17)		/* enable event capture for CODEC registers */
258 #define   ES_1371_BACAP		(1<<16)		/* enable event capture for SoundScape base address */
259 #define   ES_1371_EXI(i)	(((i)>>8)&0x07)	/* event number */
260 #define   ES_1371_AI(i)		(((i)>>3)&0x1f)	/* event significant I/O address */
261 #define   ES_1371_WR		(1<<2)	/* event capture; 0 = read; 1 = write */
262 #define   ES_1371_LEGINT	(1<<0)	/* interrupt for legacy events; 0 = interrupt did occur */
263 
264 #define ES_REG_CHANNEL_STATUS 0x1c /* R/W: first 32-bits from S/PDIF channel status block, es1373 */
265 
266 #define ES_REG_SERIAL	0x20	/* R/W: Serial interface control register */
267 #define   ES_1371_DAC_TEST	(1<<22)		/* DAC test mode enable */
268 #define   ES_P2_END_INCO(o)	(((o)&0x07)<<19)/* binary offset value to increment / loop end */
269 #define   ES_P2_END_INCM	(0x07<<19)	/* mask for above */
270 #define   ES_P2_END_INCI(i)	(((i)>>16)&0x07)/* binary offset value to increment / loop end */
271 #define   ES_P2_ST_INCO(o)	(((o)&0x07)<<16)/* binary offset value to increment / start */
272 #define   ES_P2_ST_INCM		(0x07<<16)	/* mask for above */
273 #define   ES_P2_ST_INCI(i)	(((i)<<16)&0x07)/* binary offset value to increment / start */
274 #define   ES_R1_LOOP_SEL	(1<<15)		/* ADC; 0 - loop mode; 1 = stop mode */
275 #define   ES_P2_LOOP_SEL	(1<<14)		/* DAC2; 0 - loop mode; 1 = stop mode */
276 #define   ES_P1_LOOP_SEL	(1<<13)		/* DAC1; 0 - loop mode; 1 = stop mode */
277 #define   ES_P2_PAUSE		(1<<12)		/* DAC2; 0 - play mode; 1 = pause mode */
278 #define   ES_P1_PAUSE		(1<<11)		/* DAC1; 0 - play mode; 1 = pause mode */
279 #define   ES_R1_INT_EN		(1<<10)		/* ADC interrupt enable */
280 #define   ES_P2_INT_EN		(1<<9)		/* DAC2 interrupt enable */
281 #define   ES_P1_INT_EN		(1<<8)		/* DAC1 interrupt enable */
282 #define   ES_P1_SCT_RLD		(1<<7)		/* force sample counter reload for DAC1 */
283 #define   ES_P2_DAC_SEN		(1<<6)		/* when stop mode: 0 - DAC2 play back zeros; 1 = DAC2 play back last sample */
284 #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 */
285 #define   ES_R1_MODEM		(0x03<<4)	/* mask for above */
286 #define   ES_R1_MODEI(i)	(((i)>>4)&0x03)
287 #define   ES_P2_MODEO(o)	(((o)&0x03)<<2)	/* DAC2 mode; -- '' -- */
288 #define   ES_P2_MODEM		(0x03<<2)	/* mask for above */
289 #define   ES_P2_MODEI(i)	(((i)>>2)&0x03)
290 #define   ES_P1_MODEO(o)	(((o)&0x03)<<0)	/* DAC1 mode; -- '' -- */
291 #define   ES_P1_MODEM		(0x03<<0)	/* mask for above */
292 #define   ES_P1_MODEI(i)	(((i)>>0)&0x03)
293 
294 #define ES_REG_DAC1_COUNT 0x24	/* R/W: DAC1 sample count register */
295 #define ES_REG_DAC2_COUNT 0x28	/* R/W: DAC2 sample count register */
296 #define ES_REG_ADC_COUNT  0x2c	/* R/W: ADC sample count register */
297 #define   ES_REG_CURR_COUNT(i)  (((i)>>16)&0xffff)
298 #define   ES_REG_COUNTO(o)	(((o)&0xffff)<<0)
299 #define   ES_REG_COUNTM		(0xffff<<0)
300 #define   ES_REG_COUNTI(i)	(((i)>>0)&0xffff)
301 
302 #define ES_REG_DAC1_FRAME 0x30	/* R/W: PAGE 0x0c; DAC1 frame address */
303 #define ES_REG_DAC1_SIZE  0x34	/* R/W: PAGE 0x0c; DAC1 frame size */
304 #define ES_REG_DAC2_FRAME 0x38	/* R/W: PAGE 0x0c; DAC2 frame address */
305 #define ES_REG_DAC2_SIZE  0x3c	/* R/W: PAGE 0x0c; DAC2 frame size */
306 #define ES_REG_ADC_FRAME  0x30	/* R/W: PAGE 0x0d; ADC frame address */
307 #define ES_REG_ADC_SIZE	  0x34	/* R/W: PAGE 0x0d; ADC frame size */
308 #define   ES_REG_FCURR_COUNTO(o) (((o)&0xffff)<<16)
309 #define   ES_REG_FCURR_COUNTM    (0xffff<<16)
310 #define   ES_REG_FCURR_COUNTI(i) (((i)>>14)&0x3fffc)
311 #define   ES_REG_FSIZEO(o)	 (((o)&0xffff)<<0)
312 #define   ES_REG_FSIZEM		 (0xffff<<0)
313 #define   ES_REG_FSIZEI(i)	 (((i)>>0)&0xffff)
314 #define ES_REG_PHANTOM_FRAME 0x38 /* R/W: PAGE 0x0d: phantom frame address */
315 #define ES_REG_PHANTOM_COUNT 0x3c /* R/W: PAGE 0x0d: phantom frame count */
316 
317 #define ES_REG_UART_FIFO  0x30	/* R/W: PAGE 0x0e; UART FIFO register */
318 #define   ES_REG_UF_VALID	 (1<<8)
319 #define   ES_REG_UF_BYTEO(o)	 (((o)&0xff)<<0)
320 #define   ES_REG_UF_BYTEM	 (0xff<<0)
321 #define   ES_REG_UF_BYTEI(i)	 (((i)>>0)&0xff)
322 
323 
324 /*
325  *  Pages
326  */
327 
328 #define ES_PAGE_DAC	0x0c
329 #define ES_PAGE_ADC	0x0d
330 #define ES_PAGE_UART	0x0e
331 #define ES_PAGE_UART1	0x0f
332 
333 /*
334  *  Sample rate converter addresses
335  */
336 
337 #define ES_SMPREG_DAC1		0x70
338 #define ES_SMPREG_DAC2		0x74
339 #define ES_SMPREG_ADC		0x78
340 #define ES_SMPREG_VOL_ADC	0x6c
341 #define ES_SMPREG_VOL_DAC1	0x7c
342 #define ES_SMPREG_VOL_DAC2	0x7e
343 #define ES_SMPREG_TRUNC_N	0x00
344 #define ES_SMPREG_INT_REGS	0x01
345 #define ES_SMPREG_ACCUM_FRAC	0x02
346 #define ES_SMPREG_VFREQ_FRAC	0x03
347 
348 /*
349  *  Some contants
350  */
351 
352 #define ES_1370_SRCLOCK	   1411200
353 #define ES_1370_SRTODIV(x) (ES_1370_SRCLOCK/(x)-2)
354 
355 /*
356  *  Open modes
357  */
358 
359 #define ES_MODE_PLAY1	0x0001
360 #define ES_MODE_PLAY2	0x0002
361 #define ES_MODE_CAPTURE	0x0004
362 
363 #define ES_MODE_OUTPUT	0x0001	/* for MIDI */
364 #define ES_MODE_INPUT	0x0002	/* for MIDI */
365 
366 /*
367 
368  */
369 
370 struct ensoniq {
371 	spinlock_t reg_lock;
372 	struct mutex src_mutex;
373 
374 	int irq;
375 
376 	unsigned long playback1size;
377 	unsigned long playback2size;
378 	unsigned long capture3size;
379 
380 	unsigned long port;
381 	unsigned int mode;
382 	unsigned int uartm;	/* UART mode */
383 
384 	unsigned int ctrl;	/* control register */
385 	unsigned int sctrl;	/* serial control register */
386 	unsigned int cssr;	/* control status register */
387 	unsigned int uartc;	/* uart control register */
388 	unsigned int rev;	/* chip revision */
389 
390 	union {
391 #ifdef CHIP1371
392 		struct {
393 			struct snd_ac97 *ac97;
394 		} es1371;
395 #else
396 		struct {
397 			int pclkdiv_lock;
398 			struct snd_ak4531 *ak4531;
399 		} es1370;
400 #endif
401 	} u;
402 
403 	struct pci_dev *pci;
404 	struct snd_card *card;
405 	struct snd_pcm *pcm1;	/* DAC1/ADC PCM */
406 	struct snd_pcm *pcm2;	/* DAC2 PCM */
407 	struct snd_pcm_substream *playback1_substream;
408 	struct snd_pcm_substream *playback2_substream;
409 	struct snd_pcm_substream *capture_substream;
410 	unsigned int p1_dma_size;
411 	unsigned int p2_dma_size;
412 	unsigned int c_dma_size;
413 	unsigned int p1_period_size;
414 	unsigned int p2_period_size;
415 	unsigned int c_period_size;
416 	struct snd_rawmidi *rmidi;
417 	struct snd_rawmidi_substream *midi_input;
418 	struct snd_rawmidi_substream *midi_output;
419 
420 	unsigned int spdif;
421 	unsigned int spdif_default;
422 	unsigned int spdif_stream;
423 
424 #ifdef CHIP1370
425 	struct snd_dma_buffer dma_bug;
426 #endif
427 
428 #ifdef SUPPORT_JOYSTICK
429 	struct gameport *gameport;
430 #endif
431 };
432 
433 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id);
434 
435 static const struct pci_device_id snd_audiopci_ids[] = {
436 #ifdef CHIP1370
437 	{ PCI_VDEVICE(ENSONIQ, 0x5000), 0, },	/* ES1370 */
438 #endif
439 #ifdef CHIP1371
440 	{ PCI_VDEVICE(ENSONIQ, 0x1371), 0, },	/* ES1371 */
441 	{ PCI_VDEVICE(ENSONIQ, 0x5880), 0, },	/* ES1373 - CT5880 */
442 	{ PCI_VDEVICE(ECTIVA, 0x8938), 0, },	/* Ectiva EV1938 */
443 #endif
444 	{ 0, }
445 };
446 
447 MODULE_DEVICE_TABLE(pci, snd_audiopci_ids);
448 
449 /*
450  *  constants
451  */
452 
453 #define POLL_COUNT	0xa000
454 
455 #ifdef CHIP1370
456 static const unsigned int snd_es1370_fixed_rates[] =
457 	{5512, 11025, 22050, 44100};
458 static const struct snd_pcm_hw_constraint_list snd_es1370_hw_constraints_rates = {
459 	.count = 4,
460 	.list = snd_es1370_fixed_rates,
461 	.mask = 0,
462 };
463 static const struct snd_ratnum es1370_clock = {
464 	.num = ES_1370_SRCLOCK,
465 	.den_min = 29,
466 	.den_max = 353,
467 	.den_step = 1,
468 };
469 static const struct snd_pcm_hw_constraint_ratnums snd_es1370_hw_constraints_clock = {
470 	.nrats = 1,
471 	.rats = &es1370_clock,
472 };
473 #else
474 static const struct snd_ratden es1371_dac_clock = {
475 	.num_min = 3000 * (1 << 15),
476 	.num_max = 48000 * (1 << 15),
477 	.num_step = 3000,
478 	.den = 1 << 15,
479 };
480 static const struct snd_pcm_hw_constraint_ratdens snd_es1371_hw_constraints_dac_clock = {
481 	.nrats = 1,
482 	.rats = &es1371_dac_clock,
483 };
484 static const struct snd_ratnum es1371_adc_clock = {
485 	.num = 48000 << 15,
486 	.den_min = 32768,
487 	.den_max = 393216,
488 	.den_step = 1,
489 };
490 static const struct snd_pcm_hw_constraint_ratnums snd_es1371_hw_constraints_adc_clock = {
491 	.nrats = 1,
492 	.rats = &es1371_adc_clock,
493 };
494 #endif
495 static const unsigned int snd_ensoniq_sample_shift[] =
496 	{0, 1, 1, 2};
497 
498 /*
499  *  common I/O routines
500  */
501 
502 #ifdef CHIP1371
503 
504 static unsigned int snd_es1371_wait_src_ready(struct ensoniq * ensoniq)
505 {
506 	unsigned int t, r = 0;
507 
508 	for (t = 0; t < POLL_COUNT; t++) {
509 		r = inl(ES_REG(ensoniq, 1371_SMPRATE));
510 		if ((r & ES_1371_SRC_RAM_BUSY) == 0)
511 			return r;
512 		cond_resched();
513 	}
514 	dev_err(ensoniq->card->dev, "wait src ready timeout 0x%lx [0x%x]\n",
515 		   ES_REG(ensoniq, 1371_SMPRATE), r);
516 	return 0;
517 }
518 
519 static unsigned int snd_es1371_src_read(struct ensoniq * ensoniq, unsigned short reg)
520 {
521 	unsigned int temp, i, orig, r;
522 
523 	/* wait for ready */
524 	temp = orig = snd_es1371_wait_src_ready(ensoniq);
525 
526 	/* expose the SRC state bits */
527 	r = temp & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
528 		    ES_1371_DIS_P2 | ES_1371_DIS_R1);
529 	r |= ES_1371_SRC_RAM_ADDRO(reg) | 0x10000;
530 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
531 
532 	/* now, wait for busy and the correct time to read */
533 	temp = snd_es1371_wait_src_ready(ensoniq);
534 
535 	if ((temp & 0x00870000) != 0x00010000) {
536 		/* wait for the right state */
537 		for (i = 0; i < POLL_COUNT; i++) {
538 			temp = inl(ES_REG(ensoniq, 1371_SMPRATE));
539 			if ((temp & 0x00870000) == 0x00010000)
540 				break;
541 		}
542 	}
543 
544 	/* hide the state bits */
545 	r = orig & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
546 		   ES_1371_DIS_P2 | ES_1371_DIS_R1);
547 	r |= ES_1371_SRC_RAM_ADDRO(reg);
548 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
549 
550 	return temp;
551 }
552 
553 static void snd_es1371_src_write(struct ensoniq * ensoniq,
554 				 unsigned short reg, unsigned short data)
555 {
556 	unsigned int r;
557 
558 	r = snd_es1371_wait_src_ready(ensoniq) &
559 	    (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) | ES_1371_SRC_RAM_DATAO(data);
562 	outl(r | ES_1371_SRC_RAM_WE, ES_REG(ensoniq, 1371_SMPRATE));
563 }
564 
565 #endif /* CHIP1371 */
566 
567 #ifdef CHIP1370
568 
569 static void snd_es1370_codec_write(struct snd_ak4531 *ak4531,
570 				   unsigned short reg, unsigned short val)
571 {
572 	struct ensoniq *ensoniq = ak4531->private_data;
573 	unsigned long end_time = jiffies + HZ / 10;
574 
575 #if 0
576 	dev_dbg(ensoniq->card->dev,
577 	       "CODEC WRITE: reg = 0x%x, val = 0x%x (0x%x), creg = 0x%x\n",
578 	       reg, val, ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
579 #endif
580 	do {
581 		if (!(inl(ES_REG(ensoniq, STATUS)) & ES_1370_CSTAT)) {
582 			outw(ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
583 			return;
584 		}
585 		schedule_timeout_uninterruptible(1);
586 	} while (time_after(end_time, jiffies));
587 	dev_err(ensoniq->card->dev, "codec write timeout, status = 0x%x\n",
588 		   inl(ES_REG(ensoniq, STATUS)));
589 }
590 
591 #endif /* CHIP1370 */
592 
593 #ifdef CHIP1371
594 
595 static inline bool is_ev1938(struct ensoniq *ensoniq)
596 {
597 	return ensoniq->pci->device == 0x8938;
598 }
599 
600 static void snd_es1371_codec_write(struct snd_ac97 *ac97,
601 				   unsigned short reg, unsigned short val)
602 {
603 	struct ensoniq *ensoniq = ac97->private_data;
604 	unsigned int t, x, flag;
605 
606 	flag = is_ev1938(ensoniq) ? EV_1938_CODEC_MAGIC : 0;
607 	mutex_lock(&ensoniq->src_mutex);
608 	for (t = 0; t < POLL_COUNT; t++) {
609 		if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
610 			/* save the current state for latter */
611 			x = snd_es1371_wait_src_ready(ensoniq);
612 			outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
613 			           ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
614 			     ES_REG(ensoniq, 1371_SMPRATE));
615 			/* wait for not busy (state 0) first to avoid
616 			   transition states */
617 			for (t = 0; t < POLL_COUNT; t++) {
618 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
619 				    0x00000000)
620 					break;
621 			}
622 			/* wait for a SAFE time to write addr/data and then do it, dammit */
623 			for (t = 0; t < POLL_COUNT; t++) {
624 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
625 				    0x00010000)
626 					break;
627 			}
628 			outl(ES_1371_CODEC_WRITE(reg, val) | flag,
629 			     ES_REG(ensoniq, 1371_CODEC));
630 			/* restore SRC reg */
631 			snd_es1371_wait_src_ready(ensoniq);
632 			outl(x, ES_REG(ensoniq, 1371_SMPRATE));
633 			mutex_unlock(&ensoniq->src_mutex);
634 			return;
635 		}
636 	}
637 	mutex_unlock(&ensoniq->src_mutex);
638 	dev_err(ensoniq->card->dev, "codec write timeout at 0x%lx [0x%x]\n",
639 		   ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
640 }
641 
642 static unsigned short snd_es1371_codec_read(struct snd_ac97 *ac97,
643 					    unsigned short reg)
644 {
645 	struct ensoniq *ensoniq = ac97->private_data;
646 	unsigned int t, x, flag, fail = 0;
647 
648 	flag = is_ev1938(ensoniq) ? EV_1938_CODEC_MAGIC : 0;
649       __again:
650 	mutex_lock(&ensoniq->src_mutex);
651 	for (t = 0; t < POLL_COUNT; t++) {
652 		if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
653 			/* save the current state for latter */
654 			x = snd_es1371_wait_src_ready(ensoniq);
655 			outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
656 			           ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
657 			     ES_REG(ensoniq, 1371_SMPRATE));
658 			/* wait for not busy (state 0) first to avoid
659 			   transition states */
660 			for (t = 0; t < POLL_COUNT; t++) {
661 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
662 				    0x00000000)
663 					break;
664 			}
665 			/* wait for a SAFE time to write addr/data and then do it, dammit */
666 			for (t = 0; t < POLL_COUNT; t++) {
667 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
668 				    0x00010000)
669 					break;
670 			}
671 			outl(ES_1371_CODEC_READS(reg) | flag,
672 			     ES_REG(ensoniq, 1371_CODEC));
673 			/* restore SRC reg */
674 			snd_es1371_wait_src_ready(ensoniq);
675 			outl(x, ES_REG(ensoniq, 1371_SMPRATE));
676 			/* wait for WIP again */
677 			for (t = 0; t < POLL_COUNT; t++) {
678 				if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP))
679 					break;
680 			}
681 			/* now wait for the stinkin' data (RDY) */
682 			for (t = 0; t < POLL_COUNT; t++) {
683 				if ((x = inl(ES_REG(ensoniq, 1371_CODEC))) & ES_1371_CODEC_RDY) {
684 					if (is_ev1938(ensoniq)) {
685 						for (t = 0; t < 100; t++)
686 							inl(ES_REG(ensoniq, CONTROL));
687 						x = inl(ES_REG(ensoniq, 1371_CODEC));
688 					}
689 					mutex_unlock(&ensoniq->src_mutex);
690 					return ES_1371_CODEC_READ(x);
691 				}
692 			}
693 			mutex_unlock(&ensoniq->src_mutex);
694 			if (++fail > 10) {
695 				dev_err(ensoniq->card->dev,
696 					"codec read timeout (final) at 0x%lx, reg = 0x%x [0x%x]\n",
697 					   ES_REG(ensoniq, 1371_CODEC), reg,
698 					   inl(ES_REG(ensoniq, 1371_CODEC)));
699 				return 0;
700 			}
701 			goto __again;
702 		}
703 	}
704 	mutex_unlock(&ensoniq->src_mutex);
705 	dev_err(ensoniq->card->dev, "codec read timeout at 0x%lx [0x%x]\n",
706 		   ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
707 	return 0;
708 }
709 
710 static void snd_es1371_codec_wait(struct snd_ac97 *ac97)
711 {
712 	msleep(750);
713 	snd_es1371_codec_read(ac97, AC97_RESET);
714 	snd_es1371_codec_read(ac97, AC97_VENDOR_ID1);
715 	snd_es1371_codec_read(ac97, AC97_VENDOR_ID2);
716 	msleep(50);
717 }
718 
719 static void snd_es1371_adc_rate(struct ensoniq * ensoniq, unsigned int rate)
720 {
721 	unsigned int n, truncm, freq;
722 
723 	mutex_lock(&ensoniq->src_mutex);
724 	n = rate / 3000;
725 	if ((1 << n) & ((1 << 15) | (1 << 13) | (1 << 11) | (1 << 9)))
726 		n--;
727 	truncm = (21 * n - 1) | 1;
728 	freq = ((48000UL << 15) / rate) * n;
729 	if (rate >= 24000) {
730 		if (truncm > 239)
731 			truncm = 239;
732 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
733 				(((239 - truncm) >> 1) << 9) | (n << 4));
734 	} else {
735 		if (truncm > 119)
736 			truncm = 119;
737 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
738 				0x8000 | (((119 - truncm) >> 1) << 9) | (n << 4));
739 	}
740 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_INT_REGS,
741 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_ADC +
742 						  ES_SMPREG_INT_REGS) & 0x00ff) |
743 			     ((freq >> 5) & 0xfc00));
744 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
745 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, n << 8);
746 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, n << 8);
747 	mutex_unlock(&ensoniq->src_mutex);
748 }
749 
750 static void snd_es1371_dac1_rate(struct ensoniq * ensoniq, unsigned int rate)
751 {
752 	unsigned int freq, r;
753 
754 	mutex_lock(&ensoniq->src_mutex);
755 	freq = ((rate << 15) + 1500) / 3000;
756 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
757 						   ES_1371_DIS_P2 | ES_1371_DIS_R1)) |
758 		ES_1371_DIS_P1;
759 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
760 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS,
761 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC1 +
762 						  ES_SMPREG_INT_REGS) & 0x00ff) |
763 			     ((freq >> 5) & 0xfc00));
764 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
765 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
766 						   ES_1371_DIS_P2 | ES_1371_DIS_R1));
767 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
768 	mutex_unlock(&ensoniq->src_mutex);
769 }
770 
771 static void snd_es1371_dac2_rate(struct ensoniq * ensoniq, unsigned int rate)
772 {
773 	unsigned int freq, r;
774 
775 	mutex_lock(&ensoniq->src_mutex);
776 	freq = ((rate << 15) + 1500) / 3000;
777 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
778 						   ES_1371_DIS_P1 | ES_1371_DIS_R1)) |
779 		ES_1371_DIS_P2;
780 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
781 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS,
782 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC2 +
783 						  ES_SMPREG_INT_REGS) & 0x00ff) |
784 			     ((freq >> 5) & 0xfc00));
785 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_VFREQ_FRAC,
786 			     freq & 0x7fff);
787 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
788 						   ES_1371_DIS_P1 | ES_1371_DIS_R1));
789 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
790 	mutex_unlock(&ensoniq->src_mutex);
791 }
792 
793 #endif /* CHIP1371 */
794 
795 static int snd_ensoniq_trigger(struct snd_pcm_substream *substream, int cmd)
796 {
797 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
798 	switch (cmd) {
799 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
800 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
801 	{
802 		unsigned int what = 0;
803 		struct snd_pcm_substream *s;
804 		snd_pcm_group_for_each_entry(s, substream) {
805 			if (s == ensoniq->playback1_substream) {
806 				what |= ES_P1_PAUSE;
807 				snd_pcm_trigger_done(s, substream);
808 			} else if (s == ensoniq->playback2_substream) {
809 				what |= ES_P2_PAUSE;
810 				snd_pcm_trigger_done(s, substream);
811 			} else if (s == ensoniq->capture_substream)
812 				return -EINVAL;
813 		}
814 		spin_lock(&ensoniq->reg_lock);
815 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
816 			ensoniq->sctrl |= what;
817 		else
818 			ensoniq->sctrl &= ~what;
819 		outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
820 		spin_unlock(&ensoniq->reg_lock);
821 		break;
822 	}
823 	case SNDRV_PCM_TRIGGER_START:
824 	case SNDRV_PCM_TRIGGER_STOP:
825 	{
826 		unsigned int what = 0;
827 		struct snd_pcm_substream *s;
828 		snd_pcm_group_for_each_entry(s, substream) {
829 			if (s == ensoniq->playback1_substream) {
830 				what |= ES_DAC1_EN;
831 				snd_pcm_trigger_done(s, substream);
832 			} else if (s == ensoniq->playback2_substream) {
833 				what |= ES_DAC2_EN;
834 				snd_pcm_trigger_done(s, substream);
835 			} else if (s == ensoniq->capture_substream) {
836 				what |= ES_ADC_EN;
837 				snd_pcm_trigger_done(s, substream);
838 			}
839 		}
840 		spin_lock(&ensoniq->reg_lock);
841 		if (cmd == SNDRV_PCM_TRIGGER_START)
842 			ensoniq->ctrl |= what;
843 		else
844 			ensoniq->ctrl &= ~what;
845 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
846 		spin_unlock(&ensoniq->reg_lock);
847 		break;
848 	}
849 	default:
850 		return -EINVAL;
851 	}
852 	return 0;
853 }
854 
855 /*
856  *  PCM part
857  */
858 
859 static int snd_ensoniq_hw_params(struct snd_pcm_substream *substream,
860 				 struct snd_pcm_hw_params *hw_params)
861 {
862 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
863 }
864 
865 static int snd_ensoniq_hw_free(struct snd_pcm_substream *substream)
866 {
867 	return snd_pcm_lib_free_pages(substream);
868 }
869 
870 static int snd_ensoniq_playback1_prepare(struct snd_pcm_substream *substream)
871 {
872 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
873 	struct snd_pcm_runtime *runtime = substream->runtime;
874 	unsigned int mode = 0;
875 
876 	ensoniq->p1_dma_size = snd_pcm_lib_buffer_bytes(substream);
877 	ensoniq->p1_period_size = snd_pcm_lib_period_bytes(substream);
878 	if (snd_pcm_format_width(runtime->format) == 16)
879 		mode |= 0x02;
880 	if (runtime->channels > 1)
881 		mode |= 0x01;
882 	spin_lock_irq(&ensoniq->reg_lock);
883 	ensoniq->ctrl &= ~ES_DAC1_EN;
884 #ifdef CHIP1371
885 	/* 48k doesn't need SRC (it breaks AC3-passthru) */
886 	if (runtime->rate == 48000)
887 		ensoniq->ctrl |= ES_1373_BYPASS_P1;
888 	else
889 		ensoniq->ctrl &= ~ES_1373_BYPASS_P1;
890 #endif
891 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
892 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
893 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC1_FRAME));
894 	outl((ensoniq->p1_dma_size >> 2) - 1, ES_REG(ensoniq, DAC1_SIZE));
895 	ensoniq->sctrl &= ~(ES_P1_LOOP_SEL | ES_P1_PAUSE | ES_P1_SCT_RLD | ES_P1_MODEM);
896 	ensoniq->sctrl |= ES_P1_INT_EN | ES_P1_MODEO(mode);
897 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
898 	outl((ensoniq->p1_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
899 	     ES_REG(ensoniq, DAC1_COUNT));
900 #ifdef CHIP1370
901 	ensoniq->ctrl &= ~ES_1370_WTSRSELM;
902 	switch (runtime->rate) {
903 	case 5512: ensoniq->ctrl |= ES_1370_WTSRSEL(0); break;
904 	case 11025: ensoniq->ctrl |= ES_1370_WTSRSEL(1); break;
905 	case 22050: ensoniq->ctrl |= ES_1370_WTSRSEL(2); break;
906 	case 44100: ensoniq->ctrl |= ES_1370_WTSRSEL(3); break;
907 	default: snd_BUG();
908 	}
909 #endif
910 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
911 	spin_unlock_irq(&ensoniq->reg_lock);
912 #ifndef CHIP1370
913 	snd_es1371_dac1_rate(ensoniq, runtime->rate);
914 #endif
915 	return 0;
916 }
917 
918 static int snd_ensoniq_playback2_prepare(struct snd_pcm_substream *substream)
919 {
920 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
921 	struct snd_pcm_runtime *runtime = substream->runtime;
922 	unsigned int mode = 0;
923 
924 	ensoniq->p2_dma_size = snd_pcm_lib_buffer_bytes(substream);
925 	ensoniq->p2_period_size = snd_pcm_lib_period_bytes(substream);
926 	if (snd_pcm_format_width(runtime->format) == 16)
927 		mode |= 0x02;
928 	if (runtime->channels > 1)
929 		mode |= 0x01;
930 	spin_lock_irq(&ensoniq->reg_lock);
931 	ensoniq->ctrl &= ~ES_DAC2_EN;
932 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
933 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
934 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC2_FRAME));
935 	outl((ensoniq->p2_dma_size >> 2) - 1, ES_REG(ensoniq, DAC2_SIZE));
936 	ensoniq->sctrl &= ~(ES_P2_LOOP_SEL | ES_P2_PAUSE | ES_P2_DAC_SEN |
937 			    ES_P2_END_INCM | ES_P2_ST_INCM | ES_P2_MODEM);
938 	ensoniq->sctrl |= ES_P2_INT_EN | ES_P2_MODEO(mode) |
939 			  ES_P2_END_INCO(mode & 2 ? 2 : 1) | ES_P2_ST_INCO(0);
940 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
941 	outl((ensoniq->p2_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
942 	     ES_REG(ensoniq, DAC2_COUNT));
943 #ifdef CHIP1370
944 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_CAPTURE)) {
945 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
946 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
947 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_PLAY2;
948 	}
949 #endif
950 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
951 	spin_unlock_irq(&ensoniq->reg_lock);
952 #ifndef CHIP1370
953 	snd_es1371_dac2_rate(ensoniq, runtime->rate);
954 #endif
955 	return 0;
956 }
957 
958 static int snd_ensoniq_capture_prepare(struct snd_pcm_substream *substream)
959 {
960 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
961 	struct snd_pcm_runtime *runtime = substream->runtime;
962 	unsigned int mode = 0;
963 
964 	ensoniq->c_dma_size = snd_pcm_lib_buffer_bytes(substream);
965 	ensoniq->c_period_size = snd_pcm_lib_period_bytes(substream);
966 	if (snd_pcm_format_width(runtime->format) == 16)
967 		mode |= 0x02;
968 	if (runtime->channels > 1)
969 		mode |= 0x01;
970 	spin_lock_irq(&ensoniq->reg_lock);
971 	ensoniq->ctrl &= ~ES_ADC_EN;
972 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
973 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
974 	outl(runtime->dma_addr, ES_REG(ensoniq, ADC_FRAME));
975 	outl((ensoniq->c_dma_size >> 2) - 1, ES_REG(ensoniq, ADC_SIZE));
976 	ensoniq->sctrl &= ~(ES_R1_LOOP_SEL | ES_R1_MODEM);
977 	ensoniq->sctrl |= ES_R1_INT_EN | ES_R1_MODEO(mode);
978 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
979 	outl((ensoniq->c_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
980 	     ES_REG(ensoniq, ADC_COUNT));
981 #ifdef CHIP1370
982 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_PLAY2)) {
983 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
984 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
985 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_CAPTURE;
986 	}
987 #endif
988 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
989 	spin_unlock_irq(&ensoniq->reg_lock);
990 #ifndef CHIP1370
991 	snd_es1371_adc_rate(ensoniq, runtime->rate);
992 #endif
993 	return 0;
994 }
995 
996 static snd_pcm_uframes_t snd_ensoniq_playback1_pointer(struct snd_pcm_substream *substream)
997 {
998 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
999 	size_t ptr;
1000 
1001 	spin_lock(&ensoniq->reg_lock);
1002 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC1_EN) {
1003 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1004 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC1_SIZE)));
1005 		ptr = bytes_to_frames(substream->runtime, ptr);
1006 	} else {
1007 		ptr = 0;
1008 	}
1009 	spin_unlock(&ensoniq->reg_lock);
1010 	return ptr;
1011 }
1012 
1013 static snd_pcm_uframes_t snd_ensoniq_playback2_pointer(struct snd_pcm_substream *substream)
1014 {
1015 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1016 	size_t ptr;
1017 
1018 	spin_lock(&ensoniq->reg_lock);
1019 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC2_EN) {
1020 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1021 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC2_SIZE)));
1022 		ptr = bytes_to_frames(substream->runtime, ptr);
1023 	} else {
1024 		ptr = 0;
1025 	}
1026 	spin_unlock(&ensoniq->reg_lock);
1027 	return ptr;
1028 }
1029 
1030 static snd_pcm_uframes_t snd_ensoniq_capture_pointer(struct snd_pcm_substream *substream)
1031 {
1032 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1033 	size_t ptr;
1034 
1035 	spin_lock(&ensoniq->reg_lock);
1036 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_ADC_EN) {
1037 		outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1038 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, ADC_SIZE)));
1039 		ptr = bytes_to_frames(substream->runtime, ptr);
1040 	} else {
1041 		ptr = 0;
1042 	}
1043 	spin_unlock(&ensoniq->reg_lock);
1044 	return ptr;
1045 }
1046 
1047 static const struct snd_pcm_hardware snd_ensoniq_playback1 =
1048 {
1049 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1050 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1051 				 SNDRV_PCM_INFO_MMAP_VALID |
1052 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
1053 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1054 	.rates =
1055 #ifndef CHIP1370
1056 				SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1057 #else
1058 				(SNDRV_PCM_RATE_KNOT | 	/* 5512Hz rate */
1059 				 SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_22050 |
1060 				 SNDRV_PCM_RATE_44100),
1061 #endif
1062 	.rate_min =		4000,
1063 	.rate_max =		48000,
1064 	.channels_min =		1,
1065 	.channels_max =		2,
1066 	.buffer_bytes_max =	(128*1024),
1067 	.period_bytes_min =	64,
1068 	.period_bytes_max =	(128*1024),
1069 	.periods_min =		1,
1070 	.periods_max =		1024,
1071 	.fifo_size =		0,
1072 };
1073 
1074 static const struct snd_pcm_hardware snd_ensoniq_playback2 =
1075 {
1076 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1077 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1078 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE |
1079 				 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 const struct snd_pcm_hardware snd_ensoniq_capture =
1095 {
1096 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1097 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1098 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1099 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1100 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1101 	.rate_min =		4000,
1102 	.rate_max =		48000,
1103 	.channels_min =		1,
1104 	.channels_max =		2,
1105 	.buffer_bytes_max =	(128*1024),
1106 	.period_bytes_min =	64,
1107 	.period_bytes_max =	(128*1024),
1108 	.periods_min =		1,
1109 	.periods_max =		1024,
1110 	.fifo_size =		0,
1111 };
1112 
1113 static int snd_ensoniq_playback1_open(struct snd_pcm_substream *substream)
1114 {
1115 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1116 	struct snd_pcm_runtime *runtime = substream->runtime;
1117 
1118 	ensoniq->mode |= ES_MODE_PLAY1;
1119 	ensoniq->playback1_substream = substream;
1120 	runtime->hw = snd_ensoniq_playback1;
1121 	snd_pcm_set_sync(substream);
1122 	spin_lock_irq(&ensoniq->reg_lock);
1123 	if (ensoniq->spdif && ensoniq->playback2_substream == NULL)
1124 		ensoniq->spdif_stream = ensoniq->spdif_default;
1125 	spin_unlock_irq(&ensoniq->reg_lock);
1126 #ifdef CHIP1370
1127 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1128 				   &snd_es1370_hw_constraints_rates);
1129 #else
1130 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1131 				      &snd_es1371_hw_constraints_dac_clock);
1132 #endif
1133 	return 0;
1134 }
1135 
1136 static int snd_ensoniq_playback2_open(struct snd_pcm_substream *substream)
1137 {
1138 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1139 	struct snd_pcm_runtime *runtime = substream->runtime;
1140 
1141 	ensoniq->mode |= ES_MODE_PLAY2;
1142 	ensoniq->playback2_substream = substream;
1143 	runtime->hw = snd_ensoniq_playback2;
1144 	snd_pcm_set_sync(substream);
1145 	spin_lock_irq(&ensoniq->reg_lock);
1146 	if (ensoniq->spdif && ensoniq->playback1_substream == NULL)
1147 		ensoniq->spdif_stream = ensoniq->spdif_default;
1148 	spin_unlock_irq(&ensoniq->reg_lock);
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_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1154 				      &snd_es1371_hw_constraints_dac_clock);
1155 #endif
1156 	return 0;
1157 }
1158 
1159 static int snd_ensoniq_capture_open(struct snd_pcm_substream *substream)
1160 {
1161 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1162 	struct snd_pcm_runtime *runtime = substream->runtime;
1163 
1164 	ensoniq->mode |= ES_MODE_CAPTURE;
1165 	ensoniq->capture_substream = substream;
1166 	runtime->hw = snd_ensoniq_capture;
1167 	snd_pcm_set_sync(substream);
1168 #ifdef CHIP1370
1169 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1170 				      &snd_es1370_hw_constraints_clock);
1171 #else
1172 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1173 				      &snd_es1371_hw_constraints_adc_clock);
1174 #endif
1175 	return 0;
1176 }
1177 
1178 static int snd_ensoniq_playback1_close(struct snd_pcm_substream *substream)
1179 {
1180 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1181 
1182 	ensoniq->playback1_substream = NULL;
1183 	ensoniq->mode &= ~ES_MODE_PLAY1;
1184 	return 0;
1185 }
1186 
1187 static int snd_ensoniq_playback2_close(struct snd_pcm_substream *substream)
1188 {
1189 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1190 
1191 	ensoniq->playback2_substream = NULL;
1192 	spin_lock_irq(&ensoniq->reg_lock);
1193 #ifdef CHIP1370
1194 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_PLAY2;
1195 #endif
1196 	ensoniq->mode &= ~ES_MODE_PLAY2;
1197 	spin_unlock_irq(&ensoniq->reg_lock);
1198 	return 0;
1199 }
1200 
1201 static int snd_ensoniq_capture_close(struct snd_pcm_substream *substream)
1202 {
1203 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1204 
1205 	ensoniq->capture_substream = NULL;
1206 	spin_lock_irq(&ensoniq->reg_lock);
1207 #ifdef CHIP1370
1208 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_CAPTURE;
1209 #endif
1210 	ensoniq->mode &= ~ES_MODE_CAPTURE;
1211 	spin_unlock_irq(&ensoniq->reg_lock);
1212 	return 0;
1213 }
1214 
1215 static const struct snd_pcm_ops snd_ensoniq_playback1_ops = {
1216 	.open =		snd_ensoniq_playback1_open,
1217 	.close =	snd_ensoniq_playback1_close,
1218 	.ioctl =	snd_pcm_lib_ioctl,
1219 	.hw_params =	snd_ensoniq_hw_params,
1220 	.hw_free =	snd_ensoniq_hw_free,
1221 	.prepare =	snd_ensoniq_playback1_prepare,
1222 	.trigger =	snd_ensoniq_trigger,
1223 	.pointer =	snd_ensoniq_playback1_pointer,
1224 };
1225 
1226 static const struct snd_pcm_ops snd_ensoniq_playback2_ops = {
1227 	.open =		snd_ensoniq_playback2_open,
1228 	.close =	snd_ensoniq_playback2_close,
1229 	.ioctl =	snd_pcm_lib_ioctl,
1230 	.hw_params =	snd_ensoniq_hw_params,
1231 	.hw_free =	snd_ensoniq_hw_free,
1232 	.prepare =	snd_ensoniq_playback2_prepare,
1233 	.trigger =	snd_ensoniq_trigger,
1234 	.pointer =	snd_ensoniq_playback2_pointer,
1235 };
1236 
1237 static const struct snd_pcm_ops snd_ensoniq_capture_ops = {
1238 	.open =		snd_ensoniq_capture_open,
1239 	.close =	snd_ensoniq_capture_close,
1240 	.ioctl =	snd_pcm_lib_ioctl,
1241 	.hw_params =	snd_ensoniq_hw_params,
1242 	.hw_free =	snd_ensoniq_hw_free,
1243 	.prepare =	snd_ensoniq_capture_prepare,
1244 	.trigger =	snd_ensoniq_trigger,
1245 	.pointer =	snd_ensoniq_capture_pointer,
1246 };
1247 
1248 static const struct snd_pcm_chmap_elem surround_map[] = {
1249 	{ .channels = 1,
1250 	  .map = { SNDRV_CHMAP_MONO } },
1251 	{ .channels = 2,
1252 	  .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
1253 	{ }
1254 };
1255 
1256 static int snd_ensoniq_pcm(struct ensoniq *ensoniq, int device)
1257 {
1258 	struct snd_pcm *pcm;
1259 	int err;
1260 
1261 	err = snd_pcm_new(ensoniq->card, CHIP_NAME "/1", device, 1, 1, &pcm);
1262 	if (err < 0)
1263 		return err;
1264 
1265 #ifdef CHIP1370
1266 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1267 #else
1268 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1269 #endif
1270 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ensoniq_capture_ops);
1271 
1272 	pcm->private_data = ensoniq;
1273 	pcm->info_flags = 0;
1274 	strcpy(pcm->name, CHIP_NAME " DAC2/ADC");
1275 	ensoniq->pcm1 = pcm;
1276 
1277 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1278 					      snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024);
1279 
1280 #ifdef CHIP1370
1281 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1282 				     surround_map, 2, 0, NULL);
1283 #else
1284 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1285 				     snd_pcm_std_chmaps, 2, 0, NULL);
1286 #endif
1287 	return err;
1288 }
1289 
1290 static int snd_ensoniq_pcm2(struct ensoniq *ensoniq, int device)
1291 {
1292 	struct snd_pcm *pcm;
1293 	int err;
1294 
1295 	err = snd_pcm_new(ensoniq->card, CHIP_NAME "/2", device, 1, 0, &pcm);
1296 	if (err < 0)
1297 		return err;
1298 
1299 #ifdef CHIP1370
1300 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1301 #else
1302 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1303 #endif
1304 	pcm->private_data = ensoniq;
1305 	pcm->info_flags = 0;
1306 	strcpy(pcm->name, CHIP_NAME " DAC1");
1307 	ensoniq->pcm2 = pcm;
1308 
1309 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1310 					      snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024);
1311 
1312 #ifdef CHIP1370
1313 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1314 				     snd_pcm_std_chmaps, 2, 0, NULL);
1315 #else
1316 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1317 				     surround_map, 2, 0, NULL);
1318 #endif
1319 	return err;
1320 }
1321 
1322 /*
1323  *  Mixer section
1324  */
1325 
1326 /*
1327  * ENS1371 mixer (including SPDIF interface)
1328  */
1329 #ifdef CHIP1371
1330 static int snd_ens1373_spdif_info(struct snd_kcontrol *kcontrol,
1331 				  struct snd_ctl_elem_info *uinfo)
1332 {
1333 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1334 	uinfo->count = 1;
1335 	return 0;
1336 }
1337 
1338 static int snd_ens1373_spdif_default_get(struct snd_kcontrol *kcontrol,
1339                                          struct snd_ctl_elem_value *ucontrol)
1340 {
1341 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1342 	spin_lock_irq(&ensoniq->reg_lock);
1343 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_default >> 0) & 0xff;
1344 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_default >> 8) & 0xff;
1345 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_default >> 16) & 0xff;
1346 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_default >> 24) & 0xff;
1347 	spin_unlock_irq(&ensoniq->reg_lock);
1348 	return 0;
1349 }
1350 
1351 static int snd_ens1373_spdif_default_put(struct snd_kcontrol *kcontrol,
1352                                          struct snd_ctl_elem_value *ucontrol)
1353 {
1354 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1355 	unsigned int val;
1356 	int change;
1357 
1358 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1359 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1360 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1361 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1362 	spin_lock_irq(&ensoniq->reg_lock);
1363 	change = ensoniq->spdif_default != val;
1364 	ensoniq->spdif_default = val;
1365 	if (change && ensoniq->playback1_substream == NULL &&
1366 	    ensoniq->playback2_substream == NULL)
1367 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1368 	spin_unlock_irq(&ensoniq->reg_lock);
1369 	return change;
1370 }
1371 
1372 static int snd_ens1373_spdif_mask_get(struct snd_kcontrol *kcontrol,
1373 				      struct snd_ctl_elem_value *ucontrol)
1374 {
1375 	ucontrol->value.iec958.status[0] = 0xff;
1376 	ucontrol->value.iec958.status[1] = 0xff;
1377 	ucontrol->value.iec958.status[2] = 0xff;
1378 	ucontrol->value.iec958.status[3] = 0xff;
1379 	return 0;
1380 }
1381 
1382 static int snd_ens1373_spdif_stream_get(struct snd_kcontrol *kcontrol,
1383 					struct snd_ctl_elem_value *ucontrol)
1384 {
1385 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1386 	spin_lock_irq(&ensoniq->reg_lock);
1387 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_stream >> 0) & 0xff;
1388 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_stream >> 8) & 0xff;
1389 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_stream >> 16) & 0xff;
1390 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_stream >> 24) & 0xff;
1391 	spin_unlock_irq(&ensoniq->reg_lock);
1392 	return 0;
1393 }
1394 
1395 static int snd_ens1373_spdif_stream_put(struct snd_kcontrol *kcontrol,
1396                                         struct snd_ctl_elem_value *ucontrol)
1397 {
1398 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1399 	unsigned int val;
1400 	int change;
1401 
1402 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1403 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1404 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1405 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1406 	spin_lock_irq(&ensoniq->reg_lock);
1407 	change = ensoniq->spdif_stream != val;
1408 	ensoniq->spdif_stream = val;
1409 	if (change && (ensoniq->playback1_substream != NULL ||
1410 		       ensoniq->playback2_substream != NULL))
1411 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1412 	spin_unlock_irq(&ensoniq->reg_lock);
1413 	return change;
1414 }
1415 
1416 #define ES1371_SPDIF(xname) \
1417 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_es1371_spdif_info, \
1418   .get = snd_es1371_spdif_get, .put = snd_es1371_spdif_put }
1419 
1420 #define snd_es1371_spdif_info		snd_ctl_boolean_mono_info
1421 
1422 static int snd_es1371_spdif_get(struct snd_kcontrol *kcontrol,
1423 				struct snd_ctl_elem_value *ucontrol)
1424 {
1425 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1426 
1427 	spin_lock_irq(&ensoniq->reg_lock);
1428 	ucontrol->value.integer.value[0] = ensoniq->ctrl & ES_1373_SPDIF_THRU ? 1 : 0;
1429 	spin_unlock_irq(&ensoniq->reg_lock);
1430 	return 0;
1431 }
1432 
1433 static int snd_es1371_spdif_put(struct snd_kcontrol *kcontrol,
1434 				struct snd_ctl_elem_value *ucontrol)
1435 {
1436 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1437 	unsigned int nval1, nval2;
1438 	int change;
1439 
1440 	nval1 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_THRU : 0;
1441 	nval2 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_EN : 0;
1442 	spin_lock_irq(&ensoniq->reg_lock);
1443 	change = (ensoniq->ctrl & ES_1373_SPDIF_THRU) != nval1;
1444 	ensoniq->ctrl &= ~ES_1373_SPDIF_THRU;
1445 	ensoniq->ctrl |= nval1;
1446 	ensoniq->cssr &= ~ES_1373_SPDIF_EN;
1447 	ensoniq->cssr |= nval2;
1448 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1449 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1450 	spin_unlock_irq(&ensoniq->reg_lock);
1451 	return change;
1452 }
1453 
1454 
1455 /* spdif controls */
1456 static struct snd_kcontrol_new snd_es1371_mixer_spdif[] = {
1457 	ES1371_SPDIF(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH)),
1458 	{
1459 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1460 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1461 		.info =		snd_ens1373_spdif_info,
1462 		.get =		snd_ens1373_spdif_default_get,
1463 		.put =		snd_ens1373_spdif_default_put,
1464 	},
1465 	{
1466 		.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1467 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1468 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1469 		.info =		snd_ens1373_spdif_info,
1470 		.get =		snd_ens1373_spdif_mask_get
1471 	},
1472 	{
1473 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1474 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1475 		.info =		snd_ens1373_spdif_info,
1476 		.get =		snd_ens1373_spdif_stream_get,
1477 		.put =		snd_ens1373_spdif_stream_put
1478 	},
1479 };
1480 
1481 
1482 #define snd_es1373_rear_info		snd_ctl_boolean_mono_info
1483 
1484 static int snd_es1373_rear_get(struct snd_kcontrol *kcontrol,
1485 			       struct snd_ctl_elem_value *ucontrol)
1486 {
1487 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1488 	int val = 0;
1489 
1490 	spin_lock_irq(&ensoniq->reg_lock);
1491 	if ((ensoniq->cssr & (ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|
1492 			      ES_1373_REAR_BIT24)) == ES_1373_REAR_BIT26)
1493 	    	val = 1;
1494 	ucontrol->value.integer.value[0] = val;
1495 	spin_unlock_irq(&ensoniq->reg_lock);
1496 	return 0;
1497 }
1498 
1499 static int snd_es1373_rear_put(struct snd_kcontrol *kcontrol,
1500 			       struct snd_ctl_elem_value *ucontrol)
1501 {
1502 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1503 	unsigned int nval1;
1504 	int change;
1505 
1506 	nval1 = ucontrol->value.integer.value[0] ?
1507 		ES_1373_REAR_BIT26 : (ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1508 	spin_lock_irq(&ensoniq->reg_lock);
1509 	change = (ensoniq->cssr & (ES_1373_REAR_BIT27|
1510 				   ES_1373_REAR_BIT26|ES_1373_REAR_BIT24)) != nval1;
1511 	ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|ES_1373_REAR_BIT24);
1512 	ensoniq->cssr |= nval1;
1513 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1514 	spin_unlock_irq(&ensoniq->reg_lock);
1515 	return change;
1516 }
1517 
1518 static const struct snd_kcontrol_new snd_ens1373_rear =
1519 {
1520 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1521 	.name =		"AC97 2ch->4ch Copy Switch",
1522 	.info =		snd_es1373_rear_info,
1523 	.get =		snd_es1373_rear_get,
1524 	.put =		snd_es1373_rear_put,
1525 };
1526 
1527 #define snd_es1373_line_info		snd_ctl_boolean_mono_info
1528 
1529 static int snd_es1373_line_get(struct snd_kcontrol *kcontrol,
1530 			       struct snd_ctl_elem_value *ucontrol)
1531 {
1532 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1533 	int val = 0;
1534 
1535 	spin_lock_irq(&ensoniq->reg_lock);
1536 	if (ensoniq->ctrl & ES_1371_GPIO_OUT(4))
1537 	    	val = 1;
1538 	ucontrol->value.integer.value[0] = val;
1539 	spin_unlock_irq(&ensoniq->reg_lock);
1540 	return 0;
1541 }
1542 
1543 static int snd_es1373_line_put(struct snd_kcontrol *kcontrol,
1544 			       struct snd_ctl_elem_value *ucontrol)
1545 {
1546 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1547 	int changed;
1548 	unsigned int ctrl;
1549 
1550 	spin_lock_irq(&ensoniq->reg_lock);
1551 	ctrl = ensoniq->ctrl;
1552 	if (ucontrol->value.integer.value[0])
1553 		ensoniq->ctrl |= ES_1371_GPIO_OUT(4);	/* switch line-in -> rear out */
1554 	else
1555 		ensoniq->ctrl &= ~ES_1371_GPIO_OUT(4);
1556 	changed = (ctrl != ensoniq->ctrl);
1557 	if (changed)
1558 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1559 	spin_unlock_irq(&ensoniq->reg_lock);
1560 	return changed;
1561 }
1562 
1563 static const struct snd_kcontrol_new snd_ens1373_line =
1564 {
1565 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1566 	.name =		"Line In->Rear Out Switch",
1567 	.info =		snd_es1373_line_info,
1568 	.get =		snd_es1373_line_get,
1569 	.put =		snd_es1373_line_put,
1570 };
1571 
1572 static void snd_ensoniq_mixer_free_ac97(struct snd_ac97 *ac97)
1573 {
1574 	struct ensoniq *ensoniq = ac97->private_data;
1575 	ensoniq->u.es1371.ac97 = NULL;
1576 }
1577 
1578 struct es1371_quirk {
1579 	unsigned short vid;		/* vendor ID */
1580 	unsigned short did;		/* device ID */
1581 	unsigned char rev;		/* revision */
1582 };
1583 
1584 static int es1371_quirk_lookup(struct ensoniq *ensoniq,
1585 				struct es1371_quirk *list)
1586 {
1587 	while (list->vid != (unsigned short)PCI_ANY_ID) {
1588 		if (ensoniq->pci->vendor == list->vid &&
1589 		    ensoniq->pci->device == list->did &&
1590 		    ensoniq->rev == list->rev)
1591 			return 1;
1592 		list++;
1593 	}
1594 	return 0;
1595 }
1596 
1597 static struct es1371_quirk es1371_spdif_present[] = {
1598 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1599 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1600 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1601 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1602 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1603 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1604 };
1605 
1606 static struct snd_pci_quirk ens1373_line_quirk[] = {
1607 	SND_PCI_QUIRK_ID(0x1274, 0x2000), /* GA-7DXR */
1608 	SND_PCI_QUIRK_ID(0x1458, 0xa000), /* GA-8IEXP */
1609 	{ } /* end */
1610 };
1611 
1612 static int snd_ensoniq_1371_mixer(struct ensoniq *ensoniq,
1613 				  int has_spdif, int has_line)
1614 {
1615 	struct snd_card *card = ensoniq->card;
1616 	struct snd_ac97_bus *pbus;
1617 	struct snd_ac97_template ac97;
1618 	int err;
1619 	static struct snd_ac97_bus_ops ops = {
1620 		.write = snd_es1371_codec_write,
1621 		.read = snd_es1371_codec_read,
1622 		.wait = snd_es1371_codec_wait,
1623 	};
1624 
1625 	if ((err = snd_ac97_bus(card, 0, &ops, NULL, &pbus)) < 0)
1626 		return err;
1627 
1628 	memset(&ac97, 0, sizeof(ac97));
1629 	ac97.private_data = ensoniq;
1630 	ac97.private_free = snd_ensoniq_mixer_free_ac97;
1631 	ac97.pci = ensoniq->pci;
1632 	ac97.scaps = AC97_SCAP_AUDIO;
1633 	if ((err = snd_ac97_mixer(pbus, &ac97, &ensoniq->u.es1371.ac97)) < 0)
1634 		return err;
1635 	if (has_spdif > 0 ||
1636 	    (!has_spdif && es1371_quirk_lookup(ensoniq, es1371_spdif_present))) {
1637 		struct snd_kcontrol *kctl;
1638 		int i, is_spdif = 0;
1639 
1640 		ensoniq->spdif_default = ensoniq->spdif_stream =
1641 			SNDRV_PCM_DEFAULT_CON_SPDIF;
1642 		outl(ensoniq->spdif_default, ES_REG(ensoniq, CHANNEL_STATUS));
1643 
1644 		if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SPDIF)
1645 			is_spdif++;
1646 
1647 		for (i = 0; i < ARRAY_SIZE(snd_es1371_mixer_spdif); i++) {
1648 			kctl = snd_ctl_new1(&snd_es1371_mixer_spdif[i], ensoniq);
1649 			if (!kctl)
1650 				return -ENOMEM;
1651 			kctl->id.index = is_spdif;
1652 			err = snd_ctl_add(card, kctl);
1653 			if (err < 0)
1654 				return err;
1655 		}
1656 	}
1657 	if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SDAC) {
1658 		/* mirror rear to front speakers */
1659 		ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1660 		ensoniq->cssr |= ES_1373_REAR_BIT26;
1661 		err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_rear, ensoniq));
1662 		if (err < 0)
1663 			return err;
1664 	}
1665 	if (has_line > 0 ||
1666 	    snd_pci_quirk_lookup(ensoniq->pci, ens1373_line_quirk)) {
1667 		 err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_line,
1668 						      ensoniq));
1669 		 if (err < 0)
1670 			 return err;
1671 	}
1672 
1673 	return 0;
1674 }
1675 
1676 #endif /* CHIP1371 */
1677 
1678 /* generic control callbacks for ens1370 */
1679 #ifdef CHIP1370
1680 #define ENSONIQ_CONTROL(xname, mask) \
1681 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = xname, .info = snd_ensoniq_control_info, \
1682   .get = snd_ensoniq_control_get, .put = snd_ensoniq_control_put, \
1683   .private_value = mask }
1684 
1685 #define snd_ensoniq_control_info	snd_ctl_boolean_mono_info
1686 
1687 static int snd_ensoniq_control_get(struct snd_kcontrol *kcontrol,
1688 				   struct snd_ctl_elem_value *ucontrol)
1689 {
1690 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1691 	int mask = kcontrol->private_value;
1692 
1693 	spin_lock_irq(&ensoniq->reg_lock);
1694 	ucontrol->value.integer.value[0] = ensoniq->ctrl & mask ? 1 : 0;
1695 	spin_unlock_irq(&ensoniq->reg_lock);
1696 	return 0;
1697 }
1698 
1699 static int snd_ensoniq_control_put(struct snd_kcontrol *kcontrol,
1700 				   struct snd_ctl_elem_value *ucontrol)
1701 {
1702 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1703 	int mask = kcontrol->private_value;
1704 	unsigned int nval;
1705 	int change;
1706 
1707 	nval = ucontrol->value.integer.value[0] ? mask : 0;
1708 	spin_lock_irq(&ensoniq->reg_lock);
1709 	change = (ensoniq->ctrl & mask) != nval;
1710 	ensoniq->ctrl &= ~mask;
1711 	ensoniq->ctrl |= nval;
1712 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1713 	spin_unlock_irq(&ensoniq->reg_lock);
1714 	return change;
1715 }
1716 
1717 /*
1718  * ENS1370 mixer
1719  */
1720 
1721 static struct snd_kcontrol_new snd_es1370_controls[2] = {
1722 ENSONIQ_CONTROL("PCM 0 Output also on Line-In Jack", ES_1370_XCTL0),
1723 ENSONIQ_CONTROL("Mic +5V bias", ES_1370_XCTL1)
1724 };
1725 
1726 #define ES1370_CONTROLS ARRAY_SIZE(snd_es1370_controls)
1727 
1728 static void snd_ensoniq_mixer_free_ak4531(struct snd_ak4531 *ak4531)
1729 {
1730 	struct ensoniq *ensoniq = ak4531->private_data;
1731 	ensoniq->u.es1370.ak4531 = NULL;
1732 }
1733 
1734 static int snd_ensoniq_1370_mixer(struct ensoniq *ensoniq)
1735 {
1736 	struct snd_card *card = ensoniq->card;
1737 	struct snd_ak4531 ak4531;
1738 	unsigned int idx;
1739 	int err;
1740 
1741 	/* try reset AK4531 */
1742 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
1743 	inw(ES_REG(ensoniq, 1370_CODEC));
1744 	udelay(100);
1745 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
1746 	inw(ES_REG(ensoniq, 1370_CODEC));
1747 	udelay(100);
1748 
1749 	memset(&ak4531, 0, sizeof(ak4531));
1750 	ak4531.write = snd_es1370_codec_write;
1751 	ak4531.private_data = ensoniq;
1752 	ak4531.private_free = snd_ensoniq_mixer_free_ak4531;
1753 	if ((err = snd_ak4531_mixer(card, &ak4531, &ensoniq->u.es1370.ak4531)) < 0)
1754 		return err;
1755 	for (idx = 0; idx < ES1370_CONTROLS; idx++) {
1756 		err = snd_ctl_add(card, snd_ctl_new1(&snd_es1370_controls[idx], ensoniq));
1757 		if (err < 0)
1758 			return err;
1759 	}
1760 	return 0;
1761 }
1762 
1763 #endif /* CHIP1370 */
1764 
1765 #ifdef SUPPORT_JOYSTICK
1766 
1767 #ifdef CHIP1371
1768 static int snd_ensoniq_get_joystick_port(struct ensoniq *ensoniq, int dev)
1769 {
1770 	switch (joystick_port[dev]) {
1771 	case 0: /* disabled */
1772 	case 1: /* auto-detect */
1773 	case 0x200:
1774 	case 0x208:
1775 	case 0x210:
1776 	case 0x218:
1777 		return joystick_port[dev];
1778 
1779 	default:
1780 		dev_err(ensoniq->card->dev,
1781 			"invalid joystick port %#x", joystick_port[dev]);
1782 		return 0;
1783 	}
1784 }
1785 #else
1786 static int snd_ensoniq_get_joystick_port(struct ensoniq *ensoniq, int dev)
1787 {
1788 	return joystick[dev] ? 0x200 : 0;
1789 }
1790 #endif
1791 
1792 static int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, int dev)
1793 {
1794 	struct gameport *gp;
1795 	int io_port;
1796 
1797 	io_port = snd_ensoniq_get_joystick_port(ensoniq, dev);
1798 
1799 	switch (io_port) {
1800 	case 0:
1801 		return -ENOSYS;
1802 
1803 	case 1: /* auto_detect */
1804 		for (io_port = 0x200; io_port <= 0x218; io_port += 8)
1805 			if (request_region(io_port, 8, "ens137x: gameport"))
1806 				break;
1807 		if (io_port > 0x218) {
1808 			dev_warn(ensoniq->card->dev,
1809 				 "no gameport ports available\n");
1810 			return -EBUSY;
1811 		}
1812 		break;
1813 
1814 	default:
1815 		if (!request_region(io_port, 8, "ens137x: gameport")) {
1816 			dev_warn(ensoniq->card->dev,
1817 				 "gameport io port %#x in use\n",
1818 			       io_port);
1819 			return -EBUSY;
1820 		}
1821 		break;
1822 	}
1823 
1824 	ensoniq->gameport = gp = gameport_allocate_port();
1825 	if (!gp) {
1826 		dev_err(ensoniq->card->dev,
1827 			"cannot allocate memory for gameport\n");
1828 		release_region(io_port, 8);
1829 		return -ENOMEM;
1830 	}
1831 
1832 	gameport_set_name(gp, "ES137x");
1833 	gameport_set_phys(gp, "pci%s/gameport0", pci_name(ensoniq->pci));
1834 	gameport_set_dev_parent(gp, &ensoniq->pci->dev);
1835 	gp->io = io_port;
1836 
1837 	ensoniq->ctrl |= ES_JYSTK_EN;
1838 #ifdef CHIP1371
1839 	ensoniq->ctrl &= ~ES_1371_JOY_ASELM;
1840 	ensoniq->ctrl |= ES_1371_JOY_ASEL((io_port - 0x200) / 8);
1841 #endif
1842 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1843 
1844 	gameport_register_port(ensoniq->gameport);
1845 
1846 	return 0;
1847 }
1848 
1849 static void snd_ensoniq_free_gameport(struct ensoniq *ensoniq)
1850 {
1851 	if (ensoniq->gameport) {
1852 		int port = ensoniq->gameport->io;
1853 
1854 		gameport_unregister_port(ensoniq->gameport);
1855 		ensoniq->gameport = NULL;
1856 		ensoniq->ctrl &= ~ES_JYSTK_EN;
1857 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1858 		release_region(port, 8);
1859 	}
1860 }
1861 #else
1862 static inline int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, long port) { return -ENOSYS; }
1863 static inline void snd_ensoniq_free_gameport(struct ensoniq *ensoniq) { }
1864 #endif /* SUPPORT_JOYSTICK */
1865 
1866 /*
1867 
1868  */
1869 
1870 static void snd_ensoniq_proc_read(struct snd_info_entry *entry,
1871 				  struct snd_info_buffer *buffer)
1872 {
1873 	struct ensoniq *ensoniq = entry->private_data;
1874 
1875 	snd_iprintf(buffer, "Ensoniq AudioPCI " CHIP_NAME "\n\n");
1876 	snd_iprintf(buffer, "Joystick enable  : %s\n",
1877 		    ensoniq->ctrl & ES_JYSTK_EN ? "on" : "off");
1878 #ifdef CHIP1370
1879 	snd_iprintf(buffer, "MIC +5V bias     : %s\n",
1880 		    ensoniq->ctrl & ES_1370_XCTL1 ? "on" : "off");
1881 	snd_iprintf(buffer, "Line In to AOUT  : %s\n",
1882 		    ensoniq->ctrl & ES_1370_XCTL0 ? "on" : "off");
1883 #else
1884 	snd_iprintf(buffer, "Joystick port    : 0x%x\n",
1885 		    (ES_1371_JOY_ASELI(ensoniq->ctrl) * 8) + 0x200);
1886 #endif
1887 }
1888 
1889 static void snd_ensoniq_proc_init(struct ensoniq *ensoniq)
1890 {
1891 	snd_card_ro_proc_new(ensoniq->card, "audiopci", ensoniq,
1892 			     snd_ensoniq_proc_read);
1893 }
1894 
1895 /*
1896 
1897  */
1898 
1899 static int snd_ensoniq_free(struct ensoniq *ensoniq)
1900 {
1901 	snd_ensoniq_free_gameport(ensoniq);
1902 	if (ensoniq->irq < 0)
1903 		goto __hw_end;
1904 #ifdef CHIP1370
1905 	outl(ES_1370_SERR_DISABLE, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1906 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1907 #else
1908 	outl(0, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1909 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1910 #endif
1911 	if (ensoniq->irq >= 0)
1912 		synchronize_irq(ensoniq->irq);
1913 	pci_set_power_state(ensoniq->pci, PCI_D3hot);
1914       __hw_end:
1915 #ifdef CHIP1370
1916 	if (ensoniq->dma_bug.area)
1917 		snd_dma_free_pages(&ensoniq->dma_bug);
1918 #endif
1919 	if (ensoniq->irq >= 0)
1920 		free_irq(ensoniq->irq, ensoniq);
1921 	pci_release_regions(ensoniq->pci);
1922 	pci_disable_device(ensoniq->pci);
1923 	kfree(ensoniq);
1924 	return 0;
1925 }
1926 
1927 static int snd_ensoniq_dev_free(struct snd_device *device)
1928 {
1929 	struct ensoniq *ensoniq = device->device_data;
1930 	return snd_ensoniq_free(ensoniq);
1931 }
1932 
1933 #ifdef CHIP1371
1934 static struct snd_pci_quirk es1371_amplifier_hack[] = {
1935 	SND_PCI_QUIRK_ID(0x107b, 0x2150),	/* Gateway Solo 2150 */
1936 	SND_PCI_QUIRK_ID(0x13bd, 0x100c),	/* EV1938 on Mebius PC-MJ100V */
1937 	SND_PCI_QUIRK_ID(0x1102, 0x5938),	/* Targa Xtender300 */
1938 	SND_PCI_QUIRK_ID(0x1102, 0x8938),	/* IPC Topnote G notebook */
1939 	{ } /* end */
1940 };
1941 
1942 static struct es1371_quirk es1371_ac97_reset_hack[] = {
1943 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1944 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1945 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1946 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1947 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1948 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1949 };
1950 #endif
1951 
1952 static void snd_ensoniq_chip_init(struct ensoniq *ensoniq)
1953 {
1954 #ifdef CHIP1371
1955 	int idx;
1956 #endif
1957 	/* this code was part of snd_ensoniq_create before intruduction
1958 	  * of suspend/resume
1959 	  */
1960 #ifdef CHIP1370
1961 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1962 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1963 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1964 	outl(ensoniq->dma_bug.addr, ES_REG(ensoniq, PHANTOM_FRAME));
1965 	outl(0, ES_REG(ensoniq, PHANTOM_COUNT));
1966 #else
1967 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1968 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1969 	outl(0, ES_REG(ensoniq, 1371_LEGACY));
1970 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack)) {
1971 	    outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1972 	    /* need to delay around 20ms(bleech) to give
1973 	       some CODECs enough time to wakeup */
1974 	    msleep(20);
1975 	}
1976 	/* AC'97 warm reset to start the bitclk */
1977 	outl(ensoniq->ctrl | ES_1371_SYNC_RES, ES_REG(ensoniq, CONTROL));
1978 	inl(ES_REG(ensoniq, CONTROL));
1979 	udelay(20);
1980 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1981 	/* Init the sample rate converter */
1982 	snd_es1371_wait_src_ready(ensoniq);
1983 	outl(ES_1371_SRC_DISABLE, ES_REG(ensoniq, 1371_SMPRATE));
1984 	for (idx = 0; idx < 0x80; idx++)
1985 		snd_es1371_src_write(ensoniq, idx, 0);
1986 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_TRUNC_N, 16 << 4);
1987 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS, 16 << 10);
1988 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_TRUNC_N, 16 << 4);
1989 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS, 16 << 10);
1990 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, 1 << 12);
1991 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, 1 << 12);
1992 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1, 1 << 12);
1993 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1 + 1, 1 << 12);
1994 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2, 1 << 12);
1995 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2 + 1, 1 << 12);
1996 	snd_es1371_adc_rate(ensoniq, 22050);
1997 	snd_es1371_dac1_rate(ensoniq, 22050);
1998 	snd_es1371_dac2_rate(ensoniq, 22050);
1999 	/* WARNING:
2000 	 * enabling the sample rate converter without properly programming
2001 	 * its parameters causes the chip to lock up (the SRC busy bit will
2002 	 * be stuck high, and I've found no way to rectify this other than
2003 	 * power cycle) - Thomas Sailer
2004 	 */
2005 	snd_es1371_wait_src_ready(ensoniq);
2006 	outl(0, ES_REG(ensoniq, 1371_SMPRATE));
2007 	/* try reset codec directly */
2008 	outl(ES_1371_CODEC_WRITE(0, 0), ES_REG(ensoniq, 1371_CODEC));
2009 #endif
2010 	outb(ensoniq->uartc = 0x00, ES_REG(ensoniq, UART_CONTROL));
2011 	outb(0x00, ES_REG(ensoniq, UART_RES));
2012 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
2013 	synchronize_irq(ensoniq->irq);
2014 }
2015 
2016 #ifdef CONFIG_PM_SLEEP
2017 static int snd_ensoniq_suspend(struct device *dev)
2018 {
2019 	struct snd_card *card = dev_get_drvdata(dev);
2020 	struct ensoniq *ensoniq = card->private_data;
2021 
2022 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2023 
2024 #ifdef CHIP1371
2025 	snd_ac97_suspend(ensoniq->u.es1371.ac97);
2026 #else
2027 	/* try to reset AK4531 */
2028 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
2029 	inw(ES_REG(ensoniq, 1370_CODEC));
2030 	udelay(100);
2031 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
2032 	inw(ES_REG(ensoniq, 1370_CODEC));
2033 	udelay(100);
2034 	snd_ak4531_suspend(ensoniq->u.es1370.ak4531);
2035 #endif
2036 	return 0;
2037 }
2038 
2039 static int snd_ensoniq_resume(struct device *dev)
2040 {
2041 	struct snd_card *card = dev_get_drvdata(dev);
2042 	struct ensoniq *ensoniq = card->private_data;
2043 
2044 	snd_ensoniq_chip_init(ensoniq);
2045 
2046 #ifdef CHIP1371
2047 	snd_ac97_resume(ensoniq->u.es1371.ac97);
2048 #else
2049 	snd_ak4531_resume(ensoniq->u.es1370.ak4531);
2050 #endif
2051 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2052 	return 0;
2053 }
2054 
2055 static SIMPLE_DEV_PM_OPS(snd_ensoniq_pm, snd_ensoniq_suspend, snd_ensoniq_resume);
2056 #define SND_ENSONIQ_PM_OPS	&snd_ensoniq_pm
2057 #else
2058 #define SND_ENSONIQ_PM_OPS	NULL
2059 #endif /* CONFIG_PM_SLEEP */
2060 
2061 static int snd_ensoniq_create(struct snd_card *card,
2062 			      struct pci_dev *pci,
2063 			      struct ensoniq **rensoniq)
2064 {
2065 	struct ensoniq *ensoniq;
2066 	int err;
2067 	static struct snd_device_ops ops = {
2068 		.dev_free =	snd_ensoniq_dev_free,
2069 	};
2070 
2071 	*rensoniq = NULL;
2072 	if ((err = pci_enable_device(pci)) < 0)
2073 		return err;
2074 	ensoniq = kzalloc(sizeof(*ensoniq), GFP_KERNEL);
2075 	if (ensoniq == NULL) {
2076 		pci_disable_device(pci);
2077 		return -ENOMEM;
2078 	}
2079 	spin_lock_init(&ensoniq->reg_lock);
2080 	mutex_init(&ensoniq->src_mutex);
2081 	ensoniq->card = card;
2082 	ensoniq->pci = pci;
2083 	ensoniq->irq = -1;
2084 	if ((err = pci_request_regions(pci, "Ensoniq AudioPCI")) < 0) {
2085 		kfree(ensoniq);
2086 		pci_disable_device(pci);
2087 		return err;
2088 	}
2089 	ensoniq->port = pci_resource_start(pci, 0);
2090 	if (request_irq(pci->irq, snd_audiopci_interrupt, IRQF_SHARED,
2091 			KBUILD_MODNAME, ensoniq)) {
2092 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2093 		snd_ensoniq_free(ensoniq);
2094 		return -EBUSY;
2095 	}
2096 	ensoniq->irq = pci->irq;
2097 #ifdef CHIP1370
2098 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2099 				16, &ensoniq->dma_bug) < 0) {
2100 		dev_err(card->dev, "unable to allocate space for phantom area - dma_bug\n");
2101 		snd_ensoniq_free(ensoniq);
2102 		return -EBUSY;
2103 	}
2104 #endif
2105 	pci_set_master(pci);
2106 	ensoniq->rev = pci->revision;
2107 #ifdef CHIP1370
2108 #if 0
2109 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_SERR_DISABLE |
2110 		ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2111 #else	/* get microphone working */
2112 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2113 #endif
2114 	ensoniq->sctrl = 0;
2115 #else
2116 	ensoniq->ctrl = 0;
2117 	ensoniq->sctrl = 0;
2118 	ensoniq->cssr = 0;
2119 	if (snd_pci_quirk_lookup(pci, es1371_amplifier_hack))
2120 		ensoniq->ctrl |= ES_1371_GPIO_OUT(1);	/* turn amplifier on */
2121 
2122 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack))
2123 		ensoniq->cssr |= ES_1371_ST_AC97_RST;
2124 #endif
2125 
2126 	snd_ensoniq_chip_init(ensoniq);
2127 
2128 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ensoniq, &ops)) < 0) {
2129 		snd_ensoniq_free(ensoniq);
2130 		return err;
2131 	}
2132 
2133 	snd_ensoniq_proc_init(ensoniq);
2134 
2135 	*rensoniq = ensoniq;
2136 	return 0;
2137 }
2138 
2139 /*
2140  *  MIDI section
2141  */
2142 
2143 static void snd_ensoniq_midi_interrupt(struct ensoniq * ensoniq)
2144 {
2145 	struct snd_rawmidi *rmidi = ensoniq->rmidi;
2146 	unsigned char status, mask, byte;
2147 
2148 	if (rmidi == NULL)
2149 		return;
2150 	/* do Rx at first */
2151 	spin_lock(&ensoniq->reg_lock);
2152 	mask = ensoniq->uartm & ES_MODE_INPUT ? ES_RXRDY : 0;
2153 	while (mask) {
2154 		status = inb(ES_REG(ensoniq, UART_STATUS));
2155 		if ((status & mask) == 0)
2156 			break;
2157 		byte = inb(ES_REG(ensoniq, UART_DATA));
2158 		snd_rawmidi_receive(ensoniq->midi_input, &byte, 1);
2159 	}
2160 	spin_unlock(&ensoniq->reg_lock);
2161 
2162 	/* do Tx at second */
2163 	spin_lock(&ensoniq->reg_lock);
2164 	mask = ensoniq->uartm & ES_MODE_OUTPUT ? ES_TXRDY : 0;
2165 	while (mask) {
2166 		status = inb(ES_REG(ensoniq, UART_STATUS));
2167 		if ((status & mask) == 0)
2168 			break;
2169 		if (snd_rawmidi_transmit(ensoniq->midi_output, &byte, 1) != 1) {
2170 			ensoniq->uartc &= ~ES_TXINTENM;
2171 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2172 			mask &= ~ES_TXRDY;
2173 		} else {
2174 			outb(byte, ES_REG(ensoniq, UART_DATA));
2175 		}
2176 	}
2177 	spin_unlock(&ensoniq->reg_lock);
2178 }
2179 
2180 static int snd_ensoniq_midi_input_open(struct snd_rawmidi_substream *substream)
2181 {
2182 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2183 
2184 	spin_lock_irq(&ensoniq->reg_lock);
2185 	ensoniq->uartm |= ES_MODE_INPUT;
2186 	ensoniq->midi_input = substream;
2187 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2188 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2189 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2190 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2191 	}
2192 	spin_unlock_irq(&ensoniq->reg_lock);
2193 	return 0;
2194 }
2195 
2196 static int snd_ensoniq_midi_input_close(struct snd_rawmidi_substream *substream)
2197 {
2198 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2199 
2200 	spin_lock_irq(&ensoniq->reg_lock);
2201 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2202 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2203 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2204 	} else {
2205 		outb(ensoniq->uartc &= ~ES_RXINTEN, ES_REG(ensoniq, UART_CONTROL));
2206 	}
2207 	ensoniq->midi_input = NULL;
2208 	ensoniq->uartm &= ~ES_MODE_INPUT;
2209 	spin_unlock_irq(&ensoniq->reg_lock);
2210 	return 0;
2211 }
2212 
2213 static int snd_ensoniq_midi_output_open(struct snd_rawmidi_substream *substream)
2214 {
2215 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2216 
2217 	spin_lock_irq(&ensoniq->reg_lock);
2218 	ensoniq->uartm |= ES_MODE_OUTPUT;
2219 	ensoniq->midi_output = substream;
2220 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2221 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2222 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2223 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2224 	}
2225 	spin_unlock_irq(&ensoniq->reg_lock);
2226 	return 0;
2227 }
2228 
2229 static int snd_ensoniq_midi_output_close(struct snd_rawmidi_substream *substream)
2230 {
2231 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2232 
2233 	spin_lock_irq(&ensoniq->reg_lock);
2234 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2235 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2236 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2237 	} else {
2238 		outb(ensoniq->uartc &= ~ES_TXINTENM, ES_REG(ensoniq, UART_CONTROL));
2239 	}
2240 	ensoniq->midi_output = NULL;
2241 	ensoniq->uartm &= ~ES_MODE_OUTPUT;
2242 	spin_unlock_irq(&ensoniq->reg_lock);
2243 	return 0;
2244 }
2245 
2246 static void snd_ensoniq_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
2247 {
2248 	unsigned long flags;
2249 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2250 	int idx;
2251 
2252 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2253 	if (up) {
2254 		if ((ensoniq->uartc & ES_RXINTEN) == 0) {
2255 			/* empty input FIFO */
2256 			for (idx = 0; idx < 32; idx++)
2257 				inb(ES_REG(ensoniq, UART_DATA));
2258 			ensoniq->uartc |= ES_RXINTEN;
2259 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2260 		}
2261 	} else {
2262 		if (ensoniq->uartc & ES_RXINTEN) {
2263 			ensoniq->uartc &= ~ES_RXINTEN;
2264 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2265 		}
2266 	}
2267 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2268 }
2269 
2270 static void snd_ensoniq_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
2271 {
2272 	unsigned long flags;
2273 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2274 	unsigned char byte;
2275 
2276 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2277 	if (up) {
2278 		if (ES_TXINTENI(ensoniq->uartc) == 0) {
2279 			ensoniq->uartc |= ES_TXINTENO(1);
2280 			/* fill UART FIFO buffer at first, and turn Tx interrupts only if necessary */
2281 			while (ES_TXINTENI(ensoniq->uartc) == 1 &&
2282 			       (inb(ES_REG(ensoniq, UART_STATUS)) & ES_TXRDY)) {
2283 				if (snd_rawmidi_transmit(substream, &byte, 1) != 1) {
2284 					ensoniq->uartc &= ~ES_TXINTENM;
2285 				} else {
2286 					outb(byte, ES_REG(ensoniq, UART_DATA));
2287 				}
2288 			}
2289 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2290 		}
2291 	} else {
2292 		if (ES_TXINTENI(ensoniq->uartc) == 1) {
2293 			ensoniq->uartc &= ~ES_TXINTENM;
2294 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2295 		}
2296 	}
2297 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2298 }
2299 
2300 static const struct snd_rawmidi_ops snd_ensoniq_midi_output =
2301 {
2302 	.open =		snd_ensoniq_midi_output_open,
2303 	.close =	snd_ensoniq_midi_output_close,
2304 	.trigger =	snd_ensoniq_midi_output_trigger,
2305 };
2306 
2307 static const struct snd_rawmidi_ops snd_ensoniq_midi_input =
2308 {
2309 	.open =		snd_ensoniq_midi_input_open,
2310 	.close =	snd_ensoniq_midi_input_close,
2311 	.trigger =	snd_ensoniq_midi_input_trigger,
2312 };
2313 
2314 static int snd_ensoniq_midi(struct ensoniq *ensoniq, int device)
2315 {
2316 	struct snd_rawmidi *rmidi;
2317 	int err;
2318 
2319 	if ((err = snd_rawmidi_new(ensoniq->card, "ES1370/1", device, 1, 1, &rmidi)) < 0)
2320 		return err;
2321 	strcpy(rmidi->name, CHIP_NAME);
2322 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_ensoniq_midi_output);
2323 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_ensoniq_midi_input);
2324 	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT |
2325 		SNDRV_RAWMIDI_INFO_DUPLEX;
2326 	rmidi->private_data = ensoniq;
2327 	ensoniq->rmidi = rmidi;
2328 	return 0;
2329 }
2330 
2331 /*
2332  *  Interrupt handler
2333  */
2334 
2335 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id)
2336 {
2337 	struct ensoniq *ensoniq = dev_id;
2338 	unsigned int status, sctrl;
2339 
2340 	if (ensoniq == NULL)
2341 		return IRQ_NONE;
2342 
2343 	status = inl(ES_REG(ensoniq, STATUS));
2344 	if (!(status & ES_INTR))
2345 		return IRQ_NONE;
2346 
2347 	spin_lock(&ensoniq->reg_lock);
2348 	sctrl = ensoniq->sctrl;
2349 	if (status & ES_DAC1)
2350 		sctrl &= ~ES_P1_INT_EN;
2351 	if (status & ES_DAC2)
2352 		sctrl &= ~ES_P2_INT_EN;
2353 	if (status & ES_ADC)
2354 		sctrl &= ~ES_R1_INT_EN;
2355 	outl(sctrl, ES_REG(ensoniq, SERIAL));
2356 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
2357 	spin_unlock(&ensoniq->reg_lock);
2358 
2359 	if (status & ES_UART)
2360 		snd_ensoniq_midi_interrupt(ensoniq);
2361 	if ((status & ES_DAC2) && ensoniq->playback2_substream)
2362 		snd_pcm_period_elapsed(ensoniq->playback2_substream);
2363 	if ((status & ES_ADC) && ensoniq->capture_substream)
2364 		snd_pcm_period_elapsed(ensoniq->capture_substream);
2365 	if ((status & ES_DAC1) && ensoniq->playback1_substream)
2366 		snd_pcm_period_elapsed(ensoniq->playback1_substream);
2367 	return IRQ_HANDLED;
2368 }
2369 
2370 static int snd_audiopci_probe(struct pci_dev *pci,
2371 			      const struct pci_device_id *pci_id)
2372 {
2373 	static int dev;
2374 	struct snd_card *card;
2375 	struct ensoniq *ensoniq;
2376 	int err;
2377 
2378 	if (dev >= SNDRV_CARDS)
2379 		return -ENODEV;
2380 	if (!enable[dev]) {
2381 		dev++;
2382 		return -ENOENT;
2383 	}
2384 
2385 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2386 			   0, &card);
2387 	if (err < 0)
2388 		return err;
2389 
2390 	if ((err = snd_ensoniq_create(card, pci, &ensoniq)) < 0) {
2391 		snd_card_free(card);
2392 		return err;
2393 	}
2394 	card->private_data = ensoniq;
2395 
2396 #ifdef CHIP1370
2397 	if ((err = snd_ensoniq_1370_mixer(ensoniq)) < 0) {
2398 		snd_card_free(card);
2399 		return err;
2400 	}
2401 #endif
2402 #ifdef CHIP1371
2403 	if ((err = snd_ensoniq_1371_mixer(ensoniq, spdif[dev], lineio[dev])) < 0) {
2404 		snd_card_free(card);
2405 		return err;
2406 	}
2407 #endif
2408 	if ((err = snd_ensoniq_pcm(ensoniq, 0)) < 0) {
2409 		snd_card_free(card);
2410 		return err;
2411 	}
2412 	if ((err = snd_ensoniq_pcm2(ensoniq, 1)) < 0) {
2413 		snd_card_free(card);
2414 		return err;
2415 	}
2416 	if ((err = snd_ensoniq_midi(ensoniq, 0)) < 0) {
2417 		snd_card_free(card);
2418 		return err;
2419 	}
2420 
2421 	snd_ensoniq_create_gameport(ensoniq, dev);
2422 
2423 	strcpy(card->driver, DRIVER_NAME);
2424 
2425 	strcpy(card->shortname, "Ensoniq AudioPCI");
2426 	sprintf(card->longname, "%s %s at 0x%lx, irq %i",
2427 		card->shortname,
2428 		card->driver,
2429 		ensoniq->port,
2430 		ensoniq->irq);
2431 
2432 	if ((err = snd_card_register(card)) < 0) {
2433 		snd_card_free(card);
2434 		return err;
2435 	}
2436 
2437 	pci_set_drvdata(pci, card);
2438 	dev++;
2439 	return 0;
2440 }
2441 
2442 static void snd_audiopci_remove(struct pci_dev *pci)
2443 {
2444 	snd_card_free(pci_get_drvdata(pci));
2445 }
2446 
2447 static struct pci_driver ens137x_driver = {
2448 	.name = KBUILD_MODNAME,
2449 	.id_table = snd_audiopci_ids,
2450 	.probe = snd_audiopci_probe,
2451 	.remove = snd_audiopci_remove,
2452 	.driver = {
2453 		.pm = SND_ENSONIQ_PM_OPS,
2454 	},
2455 };
2456 
2457 module_pci_driver(ens137x_driver);
2458