xref: /openbmc/linux/sound/pci/ens1370.c (revision f9a82c48)
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;
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 	if (rate >= 24000) {
744 		if (truncm > 239)
745 			truncm = 239;
746 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
747 				(((239 - truncm) >> 1) << 9) | (n << 4));
748 	} else {
749 		if (truncm > 119)
750 			truncm = 119;
751 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
752 				0x8000 | (((119 - truncm) >> 1) << 9) | (n << 4));
753 	}
754 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_INT_REGS,
755 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_ADC +
756 						  ES_SMPREG_INT_REGS) & 0x00ff) |
757 			     ((freq >> 5) & 0xfc00));
758 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
759 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, n << 8);
760 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, n << 8);
761 	mutex_unlock(&ensoniq->src_mutex);
762 }
763 
764 static void snd_es1371_dac1_rate(struct ensoniq * ensoniq, unsigned int rate)
765 {
766 	unsigned int freq, r;
767 
768 	mutex_lock(&ensoniq->src_mutex);
769 	freq = ((rate << 15) + 1500) / 3000;
770 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
771 						   ES_1371_DIS_P2 | ES_1371_DIS_R1)) |
772 		ES_1371_DIS_P1;
773 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
774 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS,
775 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC1 +
776 						  ES_SMPREG_INT_REGS) & 0x00ff) |
777 			     ((freq >> 5) & 0xfc00));
778 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
779 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
780 						   ES_1371_DIS_P2 | ES_1371_DIS_R1));
781 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
782 	mutex_unlock(&ensoniq->src_mutex);
783 }
784 
785 static void snd_es1371_dac2_rate(struct ensoniq * ensoniq, unsigned int rate)
786 {
787 	unsigned int freq, r;
788 
789 	mutex_lock(&ensoniq->src_mutex);
790 	freq = ((rate << 15) + 1500) / 3000;
791 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
792 						   ES_1371_DIS_P1 | ES_1371_DIS_R1)) |
793 		ES_1371_DIS_P2;
794 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
795 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS,
796 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC2 +
797 						  ES_SMPREG_INT_REGS) & 0x00ff) |
798 			     ((freq >> 5) & 0xfc00));
799 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_VFREQ_FRAC,
800 			     freq & 0x7fff);
801 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
802 						   ES_1371_DIS_P1 | ES_1371_DIS_R1));
803 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
804 	mutex_unlock(&ensoniq->src_mutex);
805 }
806 
807 #endif /* CHIP1371 */
808 
809 static int snd_ensoniq_trigger(struct snd_pcm_substream *substream, int cmd)
810 {
811 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
812 	switch (cmd) {
813 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
814 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
815 	{
816 		unsigned int what = 0;
817 		struct snd_pcm_substream *s;
818 		snd_pcm_group_for_each_entry(s, substream) {
819 			if (s == ensoniq->playback1_substream) {
820 				what |= ES_P1_PAUSE;
821 				snd_pcm_trigger_done(s, substream);
822 			} else if (s == ensoniq->playback2_substream) {
823 				what |= ES_P2_PAUSE;
824 				snd_pcm_trigger_done(s, substream);
825 			} else if (s == ensoniq->capture_substream)
826 				return -EINVAL;
827 		}
828 		spin_lock(&ensoniq->reg_lock);
829 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
830 			ensoniq->sctrl |= what;
831 		else
832 			ensoniq->sctrl &= ~what;
833 		outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
834 		spin_unlock(&ensoniq->reg_lock);
835 		break;
836 	}
837 	case SNDRV_PCM_TRIGGER_START:
838 	case SNDRV_PCM_TRIGGER_STOP:
839 	{
840 		unsigned int what = 0;
841 		struct snd_pcm_substream *s;
842 		snd_pcm_group_for_each_entry(s, substream) {
843 			if (s == ensoniq->playback1_substream) {
844 				what |= ES_DAC1_EN;
845 				snd_pcm_trigger_done(s, substream);
846 			} else if (s == ensoniq->playback2_substream) {
847 				what |= ES_DAC2_EN;
848 				snd_pcm_trigger_done(s, substream);
849 			} else if (s == ensoniq->capture_substream) {
850 				what |= ES_ADC_EN;
851 				snd_pcm_trigger_done(s, substream);
852 			}
853 		}
854 		spin_lock(&ensoniq->reg_lock);
855 		if (cmd == SNDRV_PCM_TRIGGER_START)
856 			ensoniq->ctrl |= what;
857 		else
858 			ensoniq->ctrl &= ~what;
859 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
860 		spin_unlock(&ensoniq->reg_lock);
861 		break;
862 	}
863 	default:
864 		return -EINVAL;
865 	}
866 	return 0;
867 }
868 
869 /*
870  *  PCM part
871  */
872 
873 static int snd_ensoniq_hw_params(struct snd_pcm_substream *substream,
874 				 struct snd_pcm_hw_params *hw_params)
875 {
876 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
877 }
878 
879 static int snd_ensoniq_hw_free(struct snd_pcm_substream *substream)
880 {
881 	return snd_pcm_lib_free_pages(substream);
882 }
883 
884 static int snd_ensoniq_playback1_prepare(struct snd_pcm_substream *substream)
885 {
886 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
887 	struct snd_pcm_runtime *runtime = substream->runtime;
888 	unsigned int mode = 0;
889 
890 	ensoniq->p1_dma_size = snd_pcm_lib_buffer_bytes(substream);
891 	ensoniq->p1_period_size = snd_pcm_lib_period_bytes(substream);
892 	if (snd_pcm_format_width(runtime->format) == 16)
893 		mode |= 0x02;
894 	if (runtime->channels > 1)
895 		mode |= 0x01;
896 	spin_lock_irq(&ensoniq->reg_lock);
897 	ensoniq->ctrl &= ~ES_DAC1_EN;
898 #ifdef CHIP1371
899 	/* 48k doesn't need SRC (it breaks AC3-passthru) */
900 	if (runtime->rate == 48000)
901 		ensoniq->ctrl |= ES_1373_BYPASS_P1;
902 	else
903 		ensoniq->ctrl &= ~ES_1373_BYPASS_P1;
904 #endif
905 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
906 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
907 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC1_FRAME));
908 	outl((ensoniq->p1_dma_size >> 2) - 1, ES_REG(ensoniq, DAC1_SIZE));
909 	ensoniq->sctrl &= ~(ES_P1_LOOP_SEL | ES_P1_PAUSE | ES_P1_SCT_RLD | ES_P1_MODEM);
910 	ensoniq->sctrl |= ES_P1_INT_EN | ES_P1_MODEO(mode);
911 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
912 	outl((ensoniq->p1_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
913 	     ES_REG(ensoniq, DAC1_COUNT));
914 #ifdef CHIP1370
915 	ensoniq->ctrl &= ~ES_1370_WTSRSELM;
916 	switch (runtime->rate) {
917 	case 5512: ensoniq->ctrl |= ES_1370_WTSRSEL(0); break;
918 	case 11025: ensoniq->ctrl |= ES_1370_WTSRSEL(1); break;
919 	case 22050: ensoniq->ctrl |= ES_1370_WTSRSEL(2); break;
920 	case 44100: ensoniq->ctrl |= ES_1370_WTSRSEL(3); break;
921 	default: snd_BUG();
922 	}
923 #endif
924 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
925 	spin_unlock_irq(&ensoniq->reg_lock);
926 #ifndef CHIP1370
927 	snd_es1371_dac1_rate(ensoniq, runtime->rate);
928 #endif
929 	return 0;
930 }
931 
932 static int snd_ensoniq_playback2_prepare(struct snd_pcm_substream *substream)
933 {
934 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
935 	struct snd_pcm_runtime *runtime = substream->runtime;
936 	unsigned int mode = 0;
937 
938 	ensoniq->p2_dma_size = snd_pcm_lib_buffer_bytes(substream);
939 	ensoniq->p2_period_size = snd_pcm_lib_period_bytes(substream);
940 	if (snd_pcm_format_width(runtime->format) == 16)
941 		mode |= 0x02;
942 	if (runtime->channels > 1)
943 		mode |= 0x01;
944 	spin_lock_irq(&ensoniq->reg_lock);
945 	ensoniq->ctrl &= ~ES_DAC2_EN;
946 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
947 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
948 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC2_FRAME));
949 	outl((ensoniq->p2_dma_size >> 2) - 1, ES_REG(ensoniq, DAC2_SIZE));
950 	ensoniq->sctrl &= ~(ES_P2_LOOP_SEL | ES_P2_PAUSE | ES_P2_DAC_SEN |
951 			    ES_P2_END_INCM | ES_P2_ST_INCM | ES_P2_MODEM);
952 	ensoniq->sctrl |= ES_P2_INT_EN | ES_P2_MODEO(mode) |
953 			  ES_P2_END_INCO(mode & 2 ? 2 : 1) | ES_P2_ST_INCO(0);
954 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
955 	outl((ensoniq->p2_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
956 	     ES_REG(ensoniq, DAC2_COUNT));
957 #ifdef CHIP1370
958 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_CAPTURE)) {
959 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
960 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
961 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_PLAY2;
962 	}
963 #endif
964 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
965 	spin_unlock_irq(&ensoniq->reg_lock);
966 #ifndef CHIP1370
967 	snd_es1371_dac2_rate(ensoniq, runtime->rate);
968 #endif
969 	return 0;
970 }
971 
972 static int snd_ensoniq_capture_prepare(struct snd_pcm_substream *substream)
973 {
974 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
975 	struct snd_pcm_runtime *runtime = substream->runtime;
976 	unsigned int mode = 0;
977 
978 	ensoniq->c_dma_size = snd_pcm_lib_buffer_bytes(substream);
979 	ensoniq->c_period_size = snd_pcm_lib_period_bytes(substream);
980 	if (snd_pcm_format_width(runtime->format) == 16)
981 		mode |= 0x02;
982 	if (runtime->channels > 1)
983 		mode |= 0x01;
984 	spin_lock_irq(&ensoniq->reg_lock);
985 	ensoniq->ctrl &= ~ES_ADC_EN;
986 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
987 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
988 	outl(runtime->dma_addr, ES_REG(ensoniq, ADC_FRAME));
989 	outl((ensoniq->c_dma_size >> 2) - 1, ES_REG(ensoniq, ADC_SIZE));
990 	ensoniq->sctrl &= ~(ES_R1_LOOP_SEL | ES_R1_MODEM);
991 	ensoniq->sctrl |= ES_R1_INT_EN | ES_R1_MODEO(mode);
992 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
993 	outl((ensoniq->c_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
994 	     ES_REG(ensoniq, ADC_COUNT));
995 #ifdef CHIP1370
996 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_PLAY2)) {
997 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
998 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
999 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_CAPTURE;
1000 	}
1001 #endif
1002 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1003 	spin_unlock_irq(&ensoniq->reg_lock);
1004 #ifndef CHIP1370
1005 	snd_es1371_adc_rate(ensoniq, runtime->rate);
1006 #endif
1007 	return 0;
1008 }
1009 
1010 static snd_pcm_uframes_t snd_ensoniq_playback1_pointer(struct snd_pcm_substream *substream)
1011 {
1012 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1013 	size_t ptr;
1014 
1015 	spin_lock(&ensoniq->reg_lock);
1016 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC1_EN) {
1017 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1018 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC1_SIZE)));
1019 		ptr = bytes_to_frames(substream->runtime, ptr);
1020 	} else {
1021 		ptr = 0;
1022 	}
1023 	spin_unlock(&ensoniq->reg_lock);
1024 	return ptr;
1025 }
1026 
1027 static snd_pcm_uframes_t snd_ensoniq_playback2_pointer(struct snd_pcm_substream *substream)
1028 {
1029 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1030 	size_t ptr;
1031 
1032 	spin_lock(&ensoniq->reg_lock);
1033 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC2_EN) {
1034 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1035 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC2_SIZE)));
1036 		ptr = bytes_to_frames(substream->runtime, ptr);
1037 	} else {
1038 		ptr = 0;
1039 	}
1040 	spin_unlock(&ensoniq->reg_lock);
1041 	return ptr;
1042 }
1043 
1044 static snd_pcm_uframes_t snd_ensoniq_capture_pointer(struct snd_pcm_substream *substream)
1045 {
1046 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1047 	size_t ptr;
1048 
1049 	spin_lock(&ensoniq->reg_lock);
1050 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_ADC_EN) {
1051 		outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1052 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, ADC_SIZE)));
1053 		ptr = bytes_to_frames(substream->runtime, ptr);
1054 	} else {
1055 		ptr = 0;
1056 	}
1057 	spin_unlock(&ensoniq->reg_lock);
1058 	return ptr;
1059 }
1060 
1061 static const struct snd_pcm_hardware snd_ensoniq_playback1 =
1062 {
1063 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1064 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1065 				 SNDRV_PCM_INFO_MMAP_VALID |
1066 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
1067 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1068 	.rates =
1069 #ifndef CHIP1370
1070 				SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1071 #else
1072 				(SNDRV_PCM_RATE_KNOT | 	/* 5512Hz rate */
1073 				 SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_22050 |
1074 				 SNDRV_PCM_RATE_44100),
1075 #endif
1076 	.rate_min =		4000,
1077 	.rate_max =		48000,
1078 	.channels_min =		1,
1079 	.channels_max =		2,
1080 	.buffer_bytes_max =	(128*1024),
1081 	.period_bytes_min =	64,
1082 	.period_bytes_max =	(128*1024),
1083 	.periods_min =		1,
1084 	.periods_max =		1024,
1085 	.fifo_size =		0,
1086 };
1087 
1088 static const struct snd_pcm_hardware snd_ensoniq_playback2 =
1089 {
1090 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1091 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1092 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE |
1093 				 SNDRV_PCM_INFO_SYNC_START),
1094 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1095 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1096 	.rate_min =		4000,
1097 	.rate_max =		48000,
1098 	.channels_min =		1,
1099 	.channels_max =		2,
1100 	.buffer_bytes_max =	(128*1024),
1101 	.period_bytes_min =	64,
1102 	.period_bytes_max =	(128*1024),
1103 	.periods_min =		1,
1104 	.periods_max =		1024,
1105 	.fifo_size =		0,
1106 };
1107 
1108 static const struct snd_pcm_hardware snd_ensoniq_capture =
1109 {
1110 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1111 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1112 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1113 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1114 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1115 	.rate_min =		4000,
1116 	.rate_max =		48000,
1117 	.channels_min =		1,
1118 	.channels_max =		2,
1119 	.buffer_bytes_max =	(128*1024),
1120 	.period_bytes_min =	64,
1121 	.period_bytes_max =	(128*1024),
1122 	.periods_min =		1,
1123 	.periods_max =		1024,
1124 	.fifo_size =		0,
1125 };
1126 
1127 static int snd_ensoniq_playback1_open(struct snd_pcm_substream *substream)
1128 {
1129 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1130 	struct snd_pcm_runtime *runtime = substream->runtime;
1131 
1132 	ensoniq->mode |= ES_MODE_PLAY1;
1133 	ensoniq->playback1_substream = substream;
1134 	runtime->hw = snd_ensoniq_playback1;
1135 	snd_pcm_set_sync(substream);
1136 	spin_lock_irq(&ensoniq->reg_lock);
1137 	if (ensoniq->spdif && ensoniq->playback2_substream == NULL)
1138 		ensoniq->spdif_stream = ensoniq->spdif_default;
1139 	spin_unlock_irq(&ensoniq->reg_lock);
1140 #ifdef CHIP1370
1141 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1142 				   &snd_es1370_hw_constraints_rates);
1143 #else
1144 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1145 				      &snd_es1371_hw_constraints_dac_clock);
1146 #endif
1147 	return 0;
1148 }
1149 
1150 static int snd_ensoniq_playback2_open(struct snd_pcm_substream *substream)
1151 {
1152 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1153 	struct snd_pcm_runtime *runtime = substream->runtime;
1154 
1155 	ensoniq->mode |= ES_MODE_PLAY2;
1156 	ensoniq->playback2_substream = substream;
1157 	runtime->hw = snd_ensoniq_playback2;
1158 	snd_pcm_set_sync(substream);
1159 	spin_lock_irq(&ensoniq->reg_lock);
1160 	if (ensoniq->spdif && ensoniq->playback1_substream == NULL)
1161 		ensoniq->spdif_stream = ensoniq->spdif_default;
1162 	spin_unlock_irq(&ensoniq->reg_lock);
1163 #ifdef CHIP1370
1164 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1165 				      &snd_es1370_hw_constraints_clock);
1166 #else
1167 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1168 				      &snd_es1371_hw_constraints_dac_clock);
1169 #endif
1170 	return 0;
1171 }
1172 
1173 static int snd_ensoniq_capture_open(struct snd_pcm_substream *substream)
1174 {
1175 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1176 	struct snd_pcm_runtime *runtime = substream->runtime;
1177 
1178 	ensoniq->mode |= ES_MODE_CAPTURE;
1179 	ensoniq->capture_substream = substream;
1180 	runtime->hw = snd_ensoniq_capture;
1181 	snd_pcm_set_sync(substream);
1182 #ifdef CHIP1370
1183 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1184 				      &snd_es1370_hw_constraints_clock);
1185 #else
1186 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1187 				      &snd_es1371_hw_constraints_adc_clock);
1188 #endif
1189 	return 0;
1190 }
1191 
1192 static int snd_ensoniq_playback1_close(struct snd_pcm_substream *substream)
1193 {
1194 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1195 
1196 	ensoniq->playback1_substream = NULL;
1197 	ensoniq->mode &= ~ES_MODE_PLAY1;
1198 	return 0;
1199 }
1200 
1201 static int snd_ensoniq_playback2_close(struct snd_pcm_substream *substream)
1202 {
1203 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1204 
1205 	ensoniq->playback2_substream = NULL;
1206 	spin_lock_irq(&ensoniq->reg_lock);
1207 #ifdef CHIP1370
1208 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_PLAY2;
1209 #endif
1210 	ensoniq->mode &= ~ES_MODE_PLAY2;
1211 	spin_unlock_irq(&ensoniq->reg_lock);
1212 	return 0;
1213 }
1214 
1215 static int snd_ensoniq_capture_close(struct snd_pcm_substream *substream)
1216 {
1217 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1218 
1219 	ensoniq->capture_substream = NULL;
1220 	spin_lock_irq(&ensoniq->reg_lock);
1221 #ifdef CHIP1370
1222 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_CAPTURE;
1223 #endif
1224 	ensoniq->mode &= ~ES_MODE_CAPTURE;
1225 	spin_unlock_irq(&ensoniq->reg_lock);
1226 	return 0;
1227 }
1228 
1229 static const struct snd_pcm_ops snd_ensoniq_playback1_ops = {
1230 	.open =		snd_ensoniq_playback1_open,
1231 	.close =	snd_ensoniq_playback1_close,
1232 	.ioctl =	snd_pcm_lib_ioctl,
1233 	.hw_params =	snd_ensoniq_hw_params,
1234 	.hw_free =	snd_ensoniq_hw_free,
1235 	.prepare =	snd_ensoniq_playback1_prepare,
1236 	.trigger =	snd_ensoniq_trigger,
1237 	.pointer =	snd_ensoniq_playback1_pointer,
1238 };
1239 
1240 static const struct snd_pcm_ops snd_ensoniq_playback2_ops = {
1241 	.open =		snd_ensoniq_playback2_open,
1242 	.close =	snd_ensoniq_playback2_close,
1243 	.ioctl =	snd_pcm_lib_ioctl,
1244 	.hw_params =	snd_ensoniq_hw_params,
1245 	.hw_free =	snd_ensoniq_hw_free,
1246 	.prepare =	snd_ensoniq_playback2_prepare,
1247 	.trigger =	snd_ensoniq_trigger,
1248 	.pointer =	snd_ensoniq_playback2_pointer,
1249 };
1250 
1251 static const struct snd_pcm_ops snd_ensoniq_capture_ops = {
1252 	.open =		snd_ensoniq_capture_open,
1253 	.close =	snd_ensoniq_capture_close,
1254 	.ioctl =	snd_pcm_lib_ioctl,
1255 	.hw_params =	snd_ensoniq_hw_params,
1256 	.hw_free =	snd_ensoniq_hw_free,
1257 	.prepare =	snd_ensoniq_capture_prepare,
1258 	.trigger =	snd_ensoniq_trigger,
1259 	.pointer =	snd_ensoniq_capture_pointer,
1260 };
1261 
1262 static const struct snd_pcm_chmap_elem surround_map[] = {
1263 	{ .channels = 1,
1264 	  .map = { SNDRV_CHMAP_MONO } },
1265 	{ .channels = 2,
1266 	  .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
1267 	{ }
1268 };
1269 
1270 static int snd_ensoniq_pcm(struct ensoniq *ensoniq, int device)
1271 {
1272 	struct snd_pcm *pcm;
1273 	int err;
1274 
1275 	err = snd_pcm_new(ensoniq->card, CHIP_NAME "/1", device, 1, 1, &pcm);
1276 	if (err < 0)
1277 		return err;
1278 
1279 #ifdef CHIP1370
1280 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1281 #else
1282 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1283 #endif
1284 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ensoniq_capture_ops);
1285 
1286 	pcm->private_data = ensoniq;
1287 	pcm->info_flags = 0;
1288 	strcpy(pcm->name, CHIP_NAME " DAC2/ADC");
1289 	ensoniq->pcm1 = pcm;
1290 
1291 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1292 					      snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024);
1293 
1294 #ifdef CHIP1370
1295 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1296 				     surround_map, 2, 0, NULL);
1297 #else
1298 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1299 				     snd_pcm_std_chmaps, 2, 0, NULL);
1300 #endif
1301 	return err;
1302 }
1303 
1304 static int snd_ensoniq_pcm2(struct ensoniq *ensoniq, int device)
1305 {
1306 	struct snd_pcm *pcm;
1307 	int err;
1308 
1309 	err = snd_pcm_new(ensoniq->card, CHIP_NAME "/2", device, 1, 0, &pcm);
1310 	if (err < 0)
1311 		return err;
1312 
1313 #ifdef CHIP1370
1314 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1315 #else
1316 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1317 #endif
1318 	pcm->private_data = ensoniq;
1319 	pcm->info_flags = 0;
1320 	strcpy(pcm->name, CHIP_NAME " DAC1");
1321 	ensoniq->pcm2 = pcm;
1322 
1323 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1324 					      snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024);
1325 
1326 #ifdef CHIP1370
1327 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1328 				     snd_pcm_std_chmaps, 2, 0, NULL);
1329 #else
1330 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1331 				     surround_map, 2, 0, NULL);
1332 #endif
1333 	return err;
1334 }
1335 
1336 /*
1337  *  Mixer section
1338  */
1339 
1340 /*
1341  * ENS1371 mixer (including SPDIF interface)
1342  */
1343 #ifdef CHIP1371
1344 static int snd_ens1373_spdif_info(struct snd_kcontrol *kcontrol,
1345 				  struct snd_ctl_elem_info *uinfo)
1346 {
1347 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1348 	uinfo->count = 1;
1349 	return 0;
1350 }
1351 
1352 static int snd_ens1373_spdif_default_get(struct snd_kcontrol *kcontrol,
1353                                          struct snd_ctl_elem_value *ucontrol)
1354 {
1355 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1356 	spin_lock_irq(&ensoniq->reg_lock);
1357 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_default >> 0) & 0xff;
1358 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_default >> 8) & 0xff;
1359 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_default >> 16) & 0xff;
1360 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_default >> 24) & 0xff;
1361 	spin_unlock_irq(&ensoniq->reg_lock);
1362 	return 0;
1363 }
1364 
1365 static int snd_ens1373_spdif_default_put(struct snd_kcontrol *kcontrol,
1366                                          struct snd_ctl_elem_value *ucontrol)
1367 {
1368 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1369 	unsigned int val;
1370 	int change;
1371 
1372 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1373 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1374 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1375 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1376 	spin_lock_irq(&ensoniq->reg_lock);
1377 	change = ensoniq->spdif_default != val;
1378 	ensoniq->spdif_default = val;
1379 	if (change && ensoniq->playback1_substream == NULL &&
1380 	    ensoniq->playback2_substream == NULL)
1381 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1382 	spin_unlock_irq(&ensoniq->reg_lock);
1383 	return change;
1384 }
1385 
1386 static int snd_ens1373_spdif_mask_get(struct snd_kcontrol *kcontrol,
1387 				      struct snd_ctl_elem_value *ucontrol)
1388 {
1389 	ucontrol->value.iec958.status[0] = 0xff;
1390 	ucontrol->value.iec958.status[1] = 0xff;
1391 	ucontrol->value.iec958.status[2] = 0xff;
1392 	ucontrol->value.iec958.status[3] = 0xff;
1393 	return 0;
1394 }
1395 
1396 static int snd_ens1373_spdif_stream_get(struct snd_kcontrol *kcontrol,
1397 					struct snd_ctl_elem_value *ucontrol)
1398 {
1399 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1400 	spin_lock_irq(&ensoniq->reg_lock);
1401 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_stream >> 0) & 0xff;
1402 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_stream >> 8) & 0xff;
1403 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_stream >> 16) & 0xff;
1404 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_stream >> 24) & 0xff;
1405 	spin_unlock_irq(&ensoniq->reg_lock);
1406 	return 0;
1407 }
1408 
1409 static int snd_ens1373_spdif_stream_put(struct snd_kcontrol *kcontrol,
1410                                         struct snd_ctl_elem_value *ucontrol)
1411 {
1412 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1413 	unsigned int val;
1414 	int change;
1415 
1416 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1417 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1418 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1419 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1420 	spin_lock_irq(&ensoniq->reg_lock);
1421 	change = ensoniq->spdif_stream != val;
1422 	ensoniq->spdif_stream = val;
1423 	if (change && (ensoniq->playback1_substream != NULL ||
1424 		       ensoniq->playback2_substream != NULL))
1425 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1426 	spin_unlock_irq(&ensoniq->reg_lock);
1427 	return change;
1428 }
1429 
1430 #define ES1371_SPDIF(xname) \
1431 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_es1371_spdif_info, \
1432   .get = snd_es1371_spdif_get, .put = snd_es1371_spdif_put }
1433 
1434 #define snd_es1371_spdif_info		snd_ctl_boolean_mono_info
1435 
1436 static int snd_es1371_spdif_get(struct snd_kcontrol *kcontrol,
1437 				struct snd_ctl_elem_value *ucontrol)
1438 {
1439 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1440 
1441 	spin_lock_irq(&ensoniq->reg_lock);
1442 	ucontrol->value.integer.value[0] = ensoniq->ctrl & ES_1373_SPDIF_THRU ? 1 : 0;
1443 	spin_unlock_irq(&ensoniq->reg_lock);
1444 	return 0;
1445 }
1446 
1447 static int snd_es1371_spdif_put(struct snd_kcontrol *kcontrol,
1448 				struct snd_ctl_elem_value *ucontrol)
1449 {
1450 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1451 	unsigned int nval1, nval2;
1452 	int change;
1453 
1454 	nval1 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_THRU : 0;
1455 	nval2 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_EN : 0;
1456 	spin_lock_irq(&ensoniq->reg_lock);
1457 	change = (ensoniq->ctrl & ES_1373_SPDIF_THRU) != nval1;
1458 	ensoniq->ctrl &= ~ES_1373_SPDIF_THRU;
1459 	ensoniq->ctrl |= nval1;
1460 	ensoniq->cssr &= ~ES_1373_SPDIF_EN;
1461 	ensoniq->cssr |= nval2;
1462 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1463 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1464 	spin_unlock_irq(&ensoniq->reg_lock);
1465 	return change;
1466 }
1467 
1468 
1469 /* spdif controls */
1470 static struct snd_kcontrol_new snd_es1371_mixer_spdif[] = {
1471 	ES1371_SPDIF(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH)),
1472 	{
1473 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1474 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1475 		.info =		snd_ens1373_spdif_info,
1476 		.get =		snd_ens1373_spdif_default_get,
1477 		.put =		snd_ens1373_spdif_default_put,
1478 	},
1479 	{
1480 		.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1481 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1482 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1483 		.info =		snd_ens1373_spdif_info,
1484 		.get =		snd_ens1373_spdif_mask_get
1485 	},
1486 	{
1487 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1488 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1489 		.info =		snd_ens1373_spdif_info,
1490 		.get =		snd_ens1373_spdif_stream_get,
1491 		.put =		snd_ens1373_spdif_stream_put
1492 	},
1493 };
1494 
1495 
1496 #define snd_es1373_rear_info		snd_ctl_boolean_mono_info
1497 
1498 static int snd_es1373_rear_get(struct snd_kcontrol *kcontrol,
1499 			       struct snd_ctl_elem_value *ucontrol)
1500 {
1501 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1502 	int val = 0;
1503 
1504 	spin_lock_irq(&ensoniq->reg_lock);
1505 	if ((ensoniq->cssr & (ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|
1506 			      ES_1373_REAR_BIT24)) == ES_1373_REAR_BIT26)
1507 	    	val = 1;
1508 	ucontrol->value.integer.value[0] = val;
1509 	spin_unlock_irq(&ensoniq->reg_lock);
1510 	return 0;
1511 }
1512 
1513 static int snd_es1373_rear_put(struct snd_kcontrol *kcontrol,
1514 			       struct snd_ctl_elem_value *ucontrol)
1515 {
1516 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1517 	unsigned int nval1;
1518 	int change;
1519 
1520 	nval1 = ucontrol->value.integer.value[0] ?
1521 		ES_1373_REAR_BIT26 : (ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1522 	spin_lock_irq(&ensoniq->reg_lock);
1523 	change = (ensoniq->cssr & (ES_1373_REAR_BIT27|
1524 				   ES_1373_REAR_BIT26|ES_1373_REAR_BIT24)) != nval1;
1525 	ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|ES_1373_REAR_BIT24);
1526 	ensoniq->cssr |= nval1;
1527 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1528 	spin_unlock_irq(&ensoniq->reg_lock);
1529 	return change;
1530 }
1531 
1532 static const struct snd_kcontrol_new snd_ens1373_rear =
1533 {
1534 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1535 	.name =		"AC97 2ch->4ch Copy Switch",
1536 	.info =		snd_es1373_rear_info,
1537 	.get =		snd_es1373_rear_get,
1538 	.put =		snd_es1373_rear_put,
1539 };
1540 
1541 #define snd_es1373_line_info		snd_ctl_boolean_mono_info
1542 
1543 static int snd_es1373_line_get(struct snd_kcontrol *kcontrol,
1544 			       struct snd_ctl_elem_value *ucontrol)
1545 {
1546 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1547 	int val = 0;
1548 
1549 	spin_lock_irq(&ensoniq->reg_lock);
1550 	if (ensoniq->ctrl & ES_1371_GPIO_OUT(4))
1551 	    	val = 1;
1552 	ucontrol->value.integer.value[0] = val;
1553 	spin_unlock_irq(&ensoniq->reg_lock);
1554 	return 0;
1555 }
1556 
1557 static int snd_es1373_line_put(struct snd_kcontrol *kcontrol,
1558 			       struct snd_ctl_elem_value *ucontrol)
1559 {
1560 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1561 	int changed;
1562 	unsigned int ctrl;
1563 
1564 	spin_lock_irq(&ensoniq->reg_lock);
1565 	ctrl = ensoniq->ctrl;
1566 	if (ucontrol->value.integer.value[0])
1567 		ensoniq->ctrl |= ES_1371_GPIO_OUT(4);	/* switch line-in -> rear out */
1568 	else
1569 		ensoniq->ctrl &= ~ES_1371_GPIO_OUT(4);
1570 	changed = (ctrl != ensoniq->ctrl);
1571 	if (changed)
1572 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1573 	spin_unlock_irq(&ensoniq->reg_lock);
1574 	return changed;
1575 }
1576 
1577 static const struct snd_kcontrol_new snd_ens1373_line =
1578 {
1579 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1580 	.name =		"Line In->Rear Out Switch",
1581 	.info =		snd_es1373_line_info,
1582 	.get =		snd_es1373_line_get,
1583 	.put =		snd_es1373_line_put,
1584 };
1585 
1586 static void snd_ensoniq_mixer_free_ac97(struct snd_ac97 *ac97)
1587 {
1588 	struct ensoniq *ensoniq = ac97->private_data;
1589 	ensoniq->u.es1371.ac97 = NULL;
1590 }
1591 
1592 struct es1371_quirk {
1593 	unsigned short vid;		/* vendor ID */
1594 	unsigned short did;		/* device ID */
1595 	unsigned char rev;		/* revision */
1596 };
1597 
1598 static int es1371_quirk_lookup(struct ensoniq *ensoniq,
1599 				struct es1371_quirk *list)
1600 {
1601 	while (list->vid != (unsigned short)PCI_ANY_ID) {
1602 		if (ensoniq->pci->vendor == list->vid &&
1603 		    ensoniq->pci->device == list->did &&
1604 		    ensoniq->rev == list->rev)
1605 			return 1;
1606 		list++;
1607 	}
1608 	return 0;
1609 }
1610 
1611 static struct es1371_quirk es1371_spdif_present[] = {
1612 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1613 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1614 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1615 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1616 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1617 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1618 };
1619 
1620 static struct snd_pci_quirk ens1373_line_quirk[] = {
1621 	SND_PCI_QUIRK_ID(0x1274, 0x2000), /* GA-7DXR */
1622 	SND_PCI_QUIRK_ID(0x1458, 0xa000), /* GA-8IEXP */
1623 	{ } /* end */
1624 };
1625 
1626 static int snd_ensoniq_1371_mixer(struct ensoniq *ensoniq,
1627 				  int has_spdif, int has_line)
1628 {
1629 	struct snd_card *card = ensoniq->card;
1630 	struct snd_ac97_bus *pbus;
1631 	struct snd_ac97_template ac97;
1632 	int err;
1633 	static struct snd_ac97_bus_ops ops = {
1634 		.write = snd_es1371_codec_write,
1635 		.read = snd_es1371_codec_read,
1636 		.wait = snd_es1371_codec_wait,
1637 	};
1638 
1639 	if ((err = snd_ac97_bus(card, 0, &ops, NULL, &pbus)) < 0)
1640 		return err;
1641 
1642 	memset(&ac97, 0, sizeof(ac97));
1643 	ac97.private_data = ensoniq;
1644 	ac97.private_free = snd_ensoniq_mixer_free_ac97;
1645 	ac97.pci = ensoniq->pci;
1646 	ac97.scaps = AC97_SCAP_AUDIO;
1647 	if ((err = snd_ac97_mixer(pbus, &ac97, &ensoniq->u.es1371.ac97)) < 0)
1648 		return err;
1649 	if (has_spdif > 0 ||
1650 	    (!has_spdif && es1371_quirk_lookup(ensoniq, es1371_spdif_present))) {
1651 		struct snd_kcontrol *kctl;
1652 		int i, is_spdif = 0;
1653 
1654 		ensoniq->spdif_default = ensoniq->spdif_stream =
1655 			SNDRV_PCM_DEFAULT_CON_SPDIF;
1656 		outl(ensoniq->spdif_default, ES_REG(ensoniq, CHANNEL_STATUS));
1657 
1658 		if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SPDIF)
1659 			is_spdif++;
1660 
1661 		for (i = 0; i < ARRAY_SIZE(snd_es1371_mixer_spdif); i++) {
1662 			kctl = snd_ctl_new1(&snd_es1371_mixer_spdif[i], ensoniq);
1663 			if (!kctl)
1664 				return -ENOMEM;
1665 			kctl->id.index = is_spdif;
1666 			err = snd_ctl_add(card, kctl);
1667 			if (err < 0)
1668 				return err;
1669 		}
1670 	}
1671 	if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SDAC) {
1672 		/* mirror rear to front speakers */
1673 		ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1674 		ensoniq->cssr |= ES_1373_REAR_BIT26;
1675 		err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_rear, ensoniq));
1676 		if (err < 0)
1677 			return err;
1678 	}
1679 	if (has_line > 0 ||
1680 	    snd_pci_quirk_lookup(ensoniq->pci, ens1373_line_quirk)) {
1681 		 err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_line,
1682 						      ensoniq));
1683 		 if (err < 0)
1684 			 return err;
1685 	}
1686 
1687 	return 0;
1688 }
1689 
1690 #endif /* CHIP1371 */
1691 
1692 /* generic control callbacks for ens1370 */
1693 #ifdef CHIP1370
1694 #define ENSONIQ_CONTROL(xname, mask) \
1695 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = xname, .info = snd_ensoniq_control_info, \
1696   .get = snd_ensoniq_control_get, .put = snd_ensoniq_control_put, \
1697   .private_value = mask }
1698 
1699 #define snd_ensoniq_control_info	snd_ctl_boolean_mono_info
1700 
1701 static int snd_ensoniq_control_get(struct snd_kcontrol *kcontrol,
1702 				   struct snd_ctl_elem_value *ucontrol)
1703 {
1704 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1705 	int mask = kcontrol->private_value;
1706 
1707 	spin_lock_irq(&ensoniq->reg_lock);
1708 	ucontrol->value.integer.value[0] = ensoniq->ctrl & mask ? 1 : 0;
1709 	spin_unlock_irq(&ensoniq->reg_lock);
1710 	return 0;
1711 }
1712 
1713 static int snd_ensoniq_control_put(struct snd_kcontrol *kcontrol,
1714 				   struct snd_ctl_elem_value *ucontrol)
1715 {
1716 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1717 	int mask = kcontrol->private_value;
1718 	unsigned int nval;
1719 	int change;
1720 
1721 	nval = ucontrol->value.integer.value[0] ? mask : 0;
1722 	spin_lock_irq(&ensoniq->reg_lock);
1723 	change = (ensoniq->ctrl & mask) != nval;
1724 	ensoniq->ctrl &= ~mask;
1725 	ensoniq->ctrl |= nval;
1726 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1727 	spin_unlock_irq(&ensoniq->reg_lock);
1728 	return change;
1729 }
1730 
1731 /*
1732  * ENS1370 mixer
1733  */
1734 
1735 static struct snd_kcontrol_new snd_es1370_controls[2] = {
1736 ENSONIQ_CONTROL("PCM 0 Output also on Line-In Jack", ES_1370_XCTL0),
1737 ENSONIQ_CONTROL("Mic +5V bias", ES_1370_XCTL1)
1738 };
1739 
1740 #define ES1370_CONTROLS ARRAY_SIZE(snd_es1370_controls)
1741 
1742 static void snd_ensoniq_mixer_free_ak4531(struct snd_ak4531 *ak4531)
1743 {
1744 	struct ensoniq *ensoniq = ak4531->private_data;
1745 	ensoniq->u.es1370.ak4531 = NULL;
1746 }
1747 
1748 static int snd_ensoniq_1370_mixer(struct ensoniq *ensoniq)
1749 {
1750 	struct snd_card *card = ensoniq->card;
1751 	struct snd_ak4531 ak4531;
1752 	unsigned int idx;
1753 	int err;
1754 
1755 	/* try reset AK4531 */
1756 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
1757 	inw(ES_REG(ensoniq, 1370_CODEC));
1758 	udelay(100);
1759 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
1760 	inw(ES_REG(ensoniq, 1370_CODEC));
1761 	udelay(100);
1762 
1763 	memset(&ak4531, 0, sizeof(ak4531));
1764 	ak4531.write = snd_es1370_codec_write;
1765 	ak4531.private_data = ensoniq;
1766 	ak4531.private_free = snd_ensoniq_mixer_free_ak4531;
1767 	if ((err = snd_ak4531_mixer(card, &ak4531, &ensoniq->u.es1370.ak4531)) < 0)
1768 		return err;
1769 	for (idx = 0; idx < ES1370_CONTROLS; idx++) {
1770 		err = snd_ctl_add(card, snd_ctl_new1(&snd_es1370_controls[idx], ensoniq));
1771 		if (err < 0)
1772 			return err;
1773 	}
1774 	return 0;
1775 }
1776 
1777 #endif /* CHIP1370 */
1778 
1779 #ifdef SUPPORT_JOYSTICK
1780 
1781 #ifdef CHIP1371
1782 static int snd_ensoniq_get_joystick_port(struct ensoniq *ensoniq, int dev)
1783 {
1784 	switch (joystick_port[dev]) {
1785 	case 0: /* disabled */
1786 	case 1: /* auto-detect */
1787 	case 0x200:
1788 	case 0x208:
1789 	case 0x210:
1790 	case 0x218:
1791 		return joystick_port[dev];
1792 
1793 	default:
1794 		dev_err(ensoniq->card->dev,
1795 			"invalid joystick port %#x", joystick_port[dev]);
1796 		return 0;
1797 	}
1798 }
1799 #else
1800 static int snd_ensoniq_get_joystick_port(struct ensoniq *ensoniq, int dev)
1801 {
1802 	return joystick[dev] ? 0x200 : 0;
1803 }
1804 #endif
1805 
1806 static int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, int dev)
1807 {
1808 	struct gameport *gp;
1809 	int io_port;
1810 
1811 	io_port = snd_ensoniq_get_joystick_port(ensoniq, dev);
1812 
1813 	switch (io_port) {
1814 	case 0:
1815 		return -ENOSYS;
1816 
1817 	case 1: /* auto_detect */
1818 		for (io_port = 0x200; io_port <= 0x218; io_port += 8)
1819 			if (request_region(io_port, 8, "ens137x: gameport"))
1820 				break;
1821 		if (io_port > 0x218) {
1822 			dev_warn(ensoniq->card->dev,
1823 				 "no gameport ports available\n");
1824 			return -EBUSY;
1825 		}
1826 		break;
1827 
1828 	default:
1829 		if (!request_region(io_port, 8, "ens137x: gameport")) {
1830 			dev_warn(ensoniq->card->dev,
1831 				 "gameport io port %#x in use\n",
1832 			       io_port);
1833 			return -EBUSY;
1834 		}
1835 		break;
1836 	}
1837 
1838 	ensoniq->gameport = gp = gameport_allocate_port();
1839 	if (!gp) {
1840 		dev_err(ensoniq->card->dev,
1841 			"cannot allocate memory for gameport\n");
1842 		release_region(io_port, 8);
1843 		return -ENOMEM;
1844 	}
1845 
1846 	gameport_set_name(gp, "ES137x");
1847 	gameport_set_phys(gp, "pci%s/gameport0", pci_name(ensoniq->pci));
1848 	gameport_set_dev_parent(gp, &ensoniq->pci->dev);
1849 	gp->io = io_port;
1850 
1851 	ensoniq->ctrl |= ES_JYSTK_EN;
1852 #ifdef CHIP1371
1853 	ensoniq->ctrl &= ~ES_1371_JOY_ASELM;
1854 	ensoniq->ctrl |= ES_1371_JOY_ASEL((io_port - 0x200) / 8);
1855 #endif
1856 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1857 
1858 	gameport_register_port(ensoniq->gameport);
1859 
1860 	return 0;
1861 }
1862 
1863 static void snd_ensoniq_free_gameport(struct ensoniq *ensoniq)
1864 {
1865 	if (ensoniq->gameport) {
1866 		int port = ensoniq->gameport->io;
1867 
1868 		gameport_unregister_port(ensoniq->gameport);
1869 		ensoniq->gameport = NULL;
1870 		ensoniq->ctrl &= ~ES_JYSTK_EN;
1871 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1872 		release_region(port, 8);
1873 	}
1874 }
1875 #else
1876 static inline int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, long port) { return -ENOSYS; }
1877 static inline void snd_ensoniq_free_gameport(struct ensoniq *ensoniq) { }
1878 #endif /* SUPPORT_JOYSTICK */
1879 
1880 /*
1881 
1882  */
1883 
1884 static void snd_ensoniq_proc_read(struct snd_info_entry *entry,
1885 				  struct snd_info_buffer *buffer)
1886 {
1887 	struct ensoniq *ensoniq = entry->private_data;
1888 
1889 	snd_iprintf(buffer, "Ensoniq AudioPCI " CHIP_NAME "\n\n");
1890 	snd_iprintf(buffer, "Joystick enable  : %s\n",
1891 		    ensoniq->ctrl & ES_JYSTK_EN ? "on" : "off");
1892 #ifdef CHIP1370
1893 	snd_iprintf(buffer, "MIC +5V bias     : %s\n",
1894 		    ensoniq->ctrl & ES_1370_XCTL1 ? "on" : "off");
1895 	snd_iprintf(buffer, "Line In to AOUT  : %s\n",
1896 		    ensoniq->ctrl & ES_1370_XCTL0 ? "on" : "off");
1897 #else
1898 	snd_iprintf(buffer, "Joystick port    : 0x%x\n",
1899 		    (ES_1371_JOY_ASELI(ensoniq->ctrl) * 8) + 0x200);
1900 #endif
1901 }
1902 
1903 static void snd_ensoniq_proc_init(struct ensoniq *ensoniq)
1904 {
1905 	snd_card_ro_proc_new(ensoniq->card, "audiopci", ensoniq,
1906 			     snd_ensoniq_proc_read);
1907 }
1908 
1909 /*
1910 
1911  */
1912 
1913 static int snd_ensoniq_free(struct ensoniq *ensoniq)
1914 {
1915 	snd_ensoniq_free_gameport(ensoniq);
1916 	if (ensoniq->irq < 0)
1917 		goto __hw_end;
1918 #ifdef CHIP1370
1919 	outl(ES_1370_SERR_DISABLE, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1920 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1921 #else
1922 	outl(0, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1923 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1924 #endif
1925 	if (ensoniq->irq >= 0)
1926 		synchronize_irq(ensoniq->irq);
1927 	pci_set_power_state(ensoniq->pci, PCI_D3hot);
1928       __hw_end:
1929 #ifdef CHIP1370
1930 	if (ensoniq->dma_bug.area)
1931 		snd_dma_free_pages(&ensoniq->dma_bug);
1932 #endif
1933 	if (ensoniq->irq >= 0)
1934 		free_irq(ensoniq->irq, ensoniq);
1935 	pci_release_regions(ensoniq->pci);
1936 	pci_disable_device(ensoniq->pci);
1937 	kfree(ensoniq);
1938 	return 0;
1939 }
1940 
1941 static int snd_ensoniq_dev_free(struct snd_device *device)
1942 {
1943 	struct ensoniq *ensoniq = device->device_data;
1944 	return snd_ensoniq_free(ensoniq);
1945 }
1946 
1947 #ifdef CHIP1371
1948 static struct snd_pci_quirk es1371_amplifier_hack[] = {
1949 	SND_PCI_QUIRK_ID(0x107b, 0x2150),	/* Gateway Solo 2150 */
1950 	SND_PCI_QUIRK_ID(0x13bd, 0x100c),	/* EV1938 on Mebius PC-MJ100V */
1951 	SND_PCI_QUIRK_ID(0x1102, 0x5938),	/* Targa Xtender300 */
1952 	SND_PCI_QUIRK_ID(0x1102, 0x8938),	/* IPC Topnote G notebook */
1953 	{ } /* end */
1954 };
1955 
1956 static struct es1371_quirk es1371_ac97_reset_hack[] = {
1957 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1958 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1959 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1960 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1961 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1962 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1963 };
1964 #endif
1965 
1966 static void snd_ensoniq_chip_init(struct ensoniq *ensoniq)
1967 {
1968 #ifdef CHIP1371
1969 	int idx;
1970 #endif
1971 	/* this code was part of snd_ensoniq_create before intruduction
1972 	  * of suspend/resume
1973 	  */
1974 #ifdef CHIP1370
1975 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1976 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1977 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1978 	outl(ensoniq->dma_bug.addr, ES_REG(ensoniq, PHANTOM_FRAME));
1979 	outl(0, ES_REG(ensoniq, PHANTOM_COUNT));
1980 #else
1981 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1982 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1983 	outl(0, ES_REG(ensoniq, 1371_LEGACY));
1984 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack)) {
1985 	    outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1986 	    /* need to delay around 20ms(bleech) to give
1987 	       some CODECs enough time to wakeup */
1988 	    msleep(20);
1989 	}
1990 	/* AC'97 warm reset to start the bitclk */
1991 	outl(ensoniq->ctrl | ES_1371_SYNC_RES, ES_REG(ensoniq, CONTROL));
1992 	inl(ES_REG(ensoniq, CONTROL));
1993 	udelay(20);
1994 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1995 	/* Init the sample rate converter */
1996 	snd_es1371_wait_src_ready(ensoniq);
1997 	outl(ES_1371_SRC_DISABLE, ES_REG(ensoniq, 1371_SMPRATE));
1998 	for (idx = 0; idx < 0x80; idx++)
1999 		snd_es1371_src_write(ensoniq, idx, 0);
2000 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_TRUNC_N, 16 << 4);
2001 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS, 16 << 10);
2002 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_TRUNC_N, 16 << 4);
2003 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS, 16 << 10);
2004 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, 1 << 12);
2005 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, 1 << 12);
2006 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1, 1 << 12);
2007 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1 + 1, 1 << 12);
2008 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2, 1 << 12);
2009 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2 + 1, 1 << 12);
2010 	snd_es1371_adc_rate(ensoniq, 22050);
2011 	snd_es1371_dac1_rate(ensoniq, 22050);
2012 	snd_es1371_dac2_rate(ensoniq, 22050);
2013 	/* WARNING:
2014 	 * enabling the sample rate converter without properly programming
2015 	 * its parameters causes the chip to lock up (the SRC busy bit will
2016 	 * be stuck high, and I've found no way to rectify this other than
2017 	 * power cycle) - Thomas Sailer
2018 	 */
2019 	snd_es1371_wait_src_ready(ensoniq);
2020 	outl(0, ES_REG(ensoniq, 1371_SMPRATE));
2021 	/* try reset codec directly */
2022 	outl(ES_1371_CODEC_WRITE(0, 0), ES_REG(ensoniq, 1371_CODEC));
2023 #endif
2024 	outb(ensoniq->uartc = 0x00, ES_REG(ensoniq, UART_CONTROL));
2025 	outb(0x00, ES_REG(ensoniq, UART_RES));
2026 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
2027 	synchronize_irq(ensoniq->irq);
2028 }
2029 
2030 #ifdef CONFIG_PM_SLEEP
2031 static int snd_ensoniq_suspend(struct device *dev)
2032 {
2033 	struct snd_card *card = dev_get_drvdata(dev);
2034 	struct ensoniq *ensoniq = card->private_data;
2035 
2036 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2037 
2038 #ifdef CHIP1371
2039 	snd_ac97_suspend(ensoniq->u.es1371.ac97);
2040 #else
2041 	/* try to reset AK4531 */
2042 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
2043 	inw(ES_REG(ensoniq, 1370_CODEC));
2044 	udelay(100);
2045 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
2046 	inw(ES_REG(ensoniq, 1370_CODEC));
2047 	udelay(100);
2048 	snd_ak4531_suspend(ensoniq->u.es1370.ak4531);
2049 #endif
2050 	return 0;
2051 }
2052 
2053 static int snd_ensoniq_resume(struct device *dev)
2054 {
2055 	struct snd_card *card = dev_get_drvdata(dev);
2056 	struct ensoniq *ensoniq = card->private_data;
2057 
2058 	snd_ensoniq_chip_init(ensoniq);
2059 
2060 #ifdef CHIP1371
2061 	snd_ac97_resume(ensoniq->u.es1371.ac97);
2062 #else
2063 	snd_ak4531_resume(ensoniq->u.es1370.ak4531);
2064 #endif
2065 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2066 	return 0;
2067 }
2068 
2069 static SIMPLE_DEV_PM_OPS(snd_ensoniq_pm, snd_ensoniq_suspend, snd_ensoniq_resume);
2070 #define SND_ENSONIQ_PM_OPS	&snd_ensoniq_pm
2071 #else
2072 #define SND_ENSONIQ_PM_OPS	NULL
2073 #endif /* CONFIG_PM_SLEEP */
2074 
2075 static int snd_ensoniq_create(struct snd_card *card,
2076 			      struct pci_dev *pci,
2077 			      struct ensoniq **rensoniq)
2078 {
2079 	struct ensoniq *ensoniq;
2080 	int err;
2081 	static struct snd_device_ops ops = {
2082 		.dev_free =	snd_ensoniq_dev_free,
2083 	};
2084 
2085 	*rensoniq = NULL;
2086 	if ((err = pci_enable_device(pci)) < 0)
2087 		return err;
2088 	ensoniq = kzalloc(sizeof(*ensoniq), GFP_KERNEL);
2089 	if (ensoniq == NULL) {
2090 		pci_disable_device(pci);
2091 		return -ENOMEM;
2092 	}
2093 	spin_lock_init(&ensoniq->reg_lock);
2094 	mutex_init(&ensoniq->src_mutex);
2095 	ensoniq->card = card;
2096 	ensoniq->pci = pci;
2097 	ensoniq->irq = -1;
2098 	if ((err = pci_request_regions(pci, "Ensoniq AudioPCI")) < 0) {
2099 		kfree(ensoniq);
2100 		pci_disable_device(pci);
2101 		return err;
2102 	}
2103 	ensoniq->port = pci_resource_start(pci, 0);
2104 	if (request_irq(pci->irq, snd_audiopci_interrupt, IRQF_SHARED,
2105 			KBUILD_MODNAME, ensoniq)) {
2106 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2107 		snd_ensoniq_free(ensoniq);
2108 		return -EBUSY;
2109 	}
2110 	ensoniq->irq = pci->irq;
2111 #ifdef CHIP1370
2112 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2113 				16, &ensoniq->dma_bug) < 0) {
2114 		dev_err(card->dev, "unable to allocate space for phantom area - dma_bug\n");
2115 		snd_ensoniq_free(ensoniq);
2116 		return -EBUSY;
2117 	}
2118 #endif
2119 	pci_set_master(pci);
2120 	ensoniq->rev = pci->revision;
2121 #ifdef CHIP1370
2122 #if 0
2123 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_SERR_DISABLE |
2124 		ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2125 #else	/* get microphone working */
2126 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2127 #endif
2128 	ensoniq->sctrl = 0;
2129 #else
2130 	ensoniq->ctrl = 0;
2131 	ensoniq->sctrl = 0;
2132 	ensoniq->cssr = 0;
2133 	if (snd_pci_quirk_lookup(pci, es1371_amplifier_hack))
2134 		ensoniq->ctrl |= ES_1371_GPIO_OUT(1);	/* turn amplifier on */
2135 
2136 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack))
2137 		ensoniq->cssr |= ES_1371_ST_AC97_RST;
2138 #endif
2139 
2140 	snd_ensoniq_chip_init(ensoniq);
2141 
2142 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ensoniq, &ops)) < 0) {
2143 		snd_ensoniq_free(ensoniq);
2144 		return err;
2145 	}
2146 
2147 	snd_ensoniq_proc_init(ensoniq);
2148 
2149 	*rensoniq = ensoniq;
2150 	return 0;
2151 }
2152 
2153 /*
2154  *  MIDI section
2155  */
2156 
2157 static void snd_ensoniq_midi_interrupt(struct ensoniq * ensoniq)
2158 {
2159 	struct snd_rawmidi *rmidi = ensoniq->rmidi;
2160 	unsigned char status, mask, byte;
2161 
2162 	if (rmidi == NULL)
2163 		return;
2164 	/* do Rx at first */
2165 	spin_lock(&ensoniq->reg_lock);
2166 	mask = ensoniq->uartm & ES_MODE_INPUT ? ES_RXRDY : 0;
2167 	while (mask) {
2168 		status = inb(ES_REG(ensoniq, UART_STATUS));
2169 		if ((status & mask) == 0)
2170 			break;
2171 		byte = inb(ES_REG(ensoniq, UART_DATA));
2172 		snd_rawmidi_receive(ensoniq->midi_input, &byte, 1);
2173 	}
2174 	spin_unlock(&ensoniq->reg_lock);
2175 
2176 	/* do Tx at second */
2177 	spin_lock(&ensoniq->reg_lock);
2178 	mask = ensoniq->uartm & ES_MODE_OUTPUT ? ES_TXRDY : 0;
2179 	while (mask) {
2180 		status = inb(ES_REG(ensoniq, UART_STATUS));
2181 		if ((status & mask) == 0)
2182 			break;
2183 		if (snd_rawmidi_transmit(ensoniq->midi_output, &byte, 1) != 1) {
2184 			ensoniq->uartc &= ~ES_TXINTENM;
2185 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2186 			mask &= ~ES_TXRDY;
2187 		} else {
2188 			outb(byte, ES_REG(ensoniq, UART_DATA));
2189 		}
2190 	}
2191 	spin_unlock(&ensoniq->reg_lock);
2192 }
2193 
2194 static int snd_ensoniq_midi_input_open(struct snd_rawmidi_substream *substream)
2195 {
2196 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2197 
2198 	spin_lock_irq(&ensoniq->reg_lock);
2199 	ensoniq->uartm |= ES_MODE_INPUT;
2200 	ensoniq->midi_input = substream;
2201 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2202 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2203 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2204 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2205 	}
2206 	spin_unlock_irq(&ensoniq->reg_lock);
2207 	return 0;
2208 }
2209 
2210 static int snd_ensoniq_midi_input_close(struct snd_rawmidi_substream *substream)
2211 {
2212 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2213 
2214 	spin_lock_irq(&ensoniq->reg_lock);
2215 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2216 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2217 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2218 	} else {
2219 		outb(ensoniq->uartc &= ~ES_RXINTEN, ES_REG(ensoniq, UART_CONTROL));
2220 	}
2221 	ensoniq->midi_input = NULL;
2222 	ensoniq->uartm &= ~ES_MODE_INPUT;
2223 	spin_unlock_irq(&ensoniq->reg_lock);
2224 	return 0;
2225 }
2226 
2227 static int snd_ensoniq_midi_output_open(struct snd_rawmidi_substream *substream)
2228 {
2229 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2230 
2231 	spin_lock_irq(&ensoniq->reg_lock);
2232 	ensoniq->uartm |= ES_MODE_OUTPUT;
2233 	ensoniq->midi_output = substream;
2234 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2235 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2236 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2237 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2238 	}
2239 	spin_unlock_irq(&ensoniq->reg_lock);
2240 	return 0;
2241 }
2242 
2243 static int snd_ensoniq_midi_output_close(struct snd_rawmidi_substream *substream)
2244 {
2245 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2246 
2247 	spin_lock_irq(&ensoniq->reg_lock);
2248 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2249 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2250 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2251 	} else {
2252 		outb(ensoniq->uartc &= ~ES_TXINTENM, ES_REG(ensoniq, UART_CONTROL));
2253 	}
2254 	ensoniq->midi_output = NULL;
2255 	ensoniq->uartm &= ~ES_MODE_OUTPUT;
2256 	spin_unlock_irq(&ensoniq->reg_lock);
2257 	return 0;
2258 }
2259 
2260 static void snd_ensoniq_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
2261 {
2262 	unsigned long flags;
2263 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2264 	int idx;
2265 
2266 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2267 	if (up) {
2268 		if ((ensoniq->uartc & ES_RXINTEN) == 0) {
2269 			/* empty input FIFO */
2270 			for (idx = 0; idx < 32; idx++)
2271 				inb(ES_REG(ensoniq, UART_DATA));
2272 			ensoniq->uartc |= ES_RXINTEN;
2273 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2274 		}
2275 	} else {
2276 		if (ensoniq->uartc & ES_RXINTEN) {
2277 			ensoniq->uartc &= ~ES_RXINTEN;
2278 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2279 		}
2280 	}
2281 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2282 }
2283 
2284 static void snd_ensoniq_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
2285 {
2286 	unsigned long flags;
2287 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2288 	unsigned char byte;
2289 
2290 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2291 	if (up) {
2292 		if (ES_TXINTENI(ensoniq->uartc) == 0) {
2293 			ensoniq->uartc |= ES_TXINTENO(1);
2294 			/* fill UART FIFO buffer at first, and turn Tx interrupts only if necessary */
2295 			while (ES_TXINTENI(ensoniq->uartc) == 1 &&
2296 			       (inb(ES_REG(ensoniq, UART_STATUS)) & ES_TXRDY)) {
2297 				if (snd_rawmidi_transmit(substream, &byte, 1) != 1) {
2298 					ensoniq->uartc &= ~ES_TXINTENM;
2299 				} else {
2300 					outb(byte, ES_REG(ensoniq, UART_DATA));
2301 				}
2302 			}
2303 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2304 		}
2305 	} else {
2306 		if (ES_TXINTENI(ensoniq->uartc) == 1) {
2307 			ensoniq->uartc &= ~ES_TXINTENM;
2308 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2309 		}
2310 	}
2311 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2312 }
2313 
2314 static const struct snd_rawmidi_ops snd_ensoniq_midi_output =
2315 {
2316 	.open =		snd_ensoniq_midi_output_open,
2317 	.close =	snd_ensoniq_midi_output_close,
2318 	.trigger =	snd_ensoniq_midi_output_trigger,
2319 };
2320 
2321 static const struct snd_rawmidi_ops snd_ensoniq_midi_input =
2322 {
2323 	.open =		snd_ensoniq_midi_input_open,
2324 	.close =	snd_ensoniq_midi_input_close,
2325 	.trigger =	snd_ensoniq_midi_input_trigger,
2326 };
2327 
2328 static int snd_ensoniq_midi(struct ensoniq *ensoniq, int device)
2329 {
2330 	struct snd_rawmidi *rmidi;
2331 	int err;
2332 
2333 	if ((err = snd_rawmidi_new(ensoniq->card, "ES1370/1", device, 1, 1, &rmidi)) < 0)
2334 		return err;
2335 	strcpy(rmidi->name, CHIP_NAME);
2336 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_ensoniq_midi_output);
2337 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_ensoniq_midi_input);
2338 	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT |
2339 		SNDRV_RAWMIDI_INFO_DUPLEX;
2340 	rmidi->private_data = ensoniq;
2341 	ensoniq->rmidi = rmidi;
2342 	return 0;
2343 }
2344 
2345 /*
2346  *  Interrupt handler
2347  */
2348 
2349 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id)
2350 {
2351 	struct ensoniq *ensoniq = dev_id;
2352 	unsigned int status, sctrl;
2353 
2354 	if (ensoniq == NULL)
2355 		return IRQ_NONE;
2356 
2357 	status = inl(ES_REG(ensoniq, STATUS));
2358 	if (!(status & ES_INTR))
2359 		return IRQ_NONE;
2360 
2361 	spin_lock(&ensoniq->reg_lock);
2362 	sctrl = ensoniq->sctrl;
2363 	if (status & ES_DAC1)
2364 		sctrl &= ~ES_P1_INT_EN;
2365 	if (status & ES_DAC2)
2366 		sctrl &= ~ES_P2_INT_EN;
2367 	if (status & ES_ADC)
2368 		sctrl &= ~ES_R1_INT_EN;
2369 	outl(sctrl, ES_REG(ensoniq, SERIAL));
2370 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
2371 	spin_unlock(&ensoniq->reg_lock);
2372 
2373 	if (status & ES_UART)
2374 		snd_ensoniq_midi_interrupt(ensoniq);
2375 	if ((status & ES_DAC2) && ensoniq->playback2_substream)
2376 		snd_pcm_period_elapsed(ensoniq->playback2_substream);
2377 	if ((status & ES_ADC) && ensoniq->capture_substream)
2378 		snd_pcm_period_elapsed(ensoniq->capture_substream);
2379 	if ((status & ES_DAC1) && ensoniq->playback1_substream)
2380 		snd_pcm_period_elapsed(ensoniq->playback1_substream);
2381 	return IRQ_HANDLED;
2382 }
2383 
2384 static int snd_audiopci_probe(struct pci_dev *pci,
2385 			      const struct pci_device_id *pci_id)
2386 {
2387 	static int dev;
2388 	struct snd_card *card;
2389 	struct ensoniq *ensoniq;
2390 	int err;
2391 
2392 	if (dev >= SNDRV_CARDS)
2393 		return -ENODEV;
2394 	if (!enable[dev]) {
2395 		dev++;
2396 		return -ENOENT;
2397 	}
2398 
2399 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2400 			   0, &card);
2401 	if (err < 0)
2402 		return err;
2403 
2404 	if ((err = snd_ensoniq_create(card, pci, &ensoniq)) < 0) {
2405 		snd_card_free(card);
2406 		return err;
2407 	}
2408 	card->private_data = ensoniq;
2409 
2410 #ifdef CHIP1370
2411 	if ((err = snd_ensoniq_1370_mixer(ensoniq)) < 0) {
2412 		snd_card_free(card);
2413 		return err;
2414 	}
2415 #endif
2416 #ifdef CHIP1371
2417 	if ((err = snd_ensoniq_1371_mixer(ensoniq, spdif[dev], lineio[dev])) < 0) {
2418 		snd_card_free(card);
2419 		return err;
2420 	}
2421 #endif
2422 	if ((err = snd_ensoniq_pcm(ensoniq, 0)) < 0) {
2423 		snd_card_free(card);
2424 		return err;
2425 	}
2426 	if ((err = snd_ensoniq_pcm2(ensoniq, 1)) < 0) {
2427 		snd_card_free(card);
2428 		return err;
2429 	}
2430 	if ((err = snd_ensoniq_midi(ensoniq, 0)) < 0) {
2431 		snd_card_free(card);
2432 		return err;
2433 	}
2434 
2435 	snd_ensoniq_create_gameport(ensoniq, dev);
2436 
2437 	strcpy(card->driver, DRIVER_NAME);
2438 
2439 	strcpy(card->shortname, "Ensoniq AudioPCI");
2440 	sprintf(card->longname, "%s %s at 0x%lx, irq %i",
2441 		card->shortname,
2442 		card->driver,
2443 		ensoniq->port,
2444 		ensoniq->irq);
2445 
2446 	if ((err = snd_card_register(card)) < 0) {
2447 		snd_card_free(card);
2448 		return err;
2449 	}
2450 
2451 	pci_set_drvdata(pci, card);
2452 	dev++;
2453 	return 0;
2454 }
2455 
2456 static void snd_audiopci_remove(struct pci_dev *pci)
2457 {
2458 	snd_card_free(pci_get_drvdata(pci));
2459 }
2460 
2461 static struct pci_driver ens137x_driver = {
2462 	.name = KBUILD_MODNAME,
2463 	.id_table = snd_audiopci_ids,
2464 	.probe = snd_audiopci_probe,
2465 	.remove = snd_audiopci_remove,
2466 	.driver = {
2467 		.pm = SND_ENSONIQ_PM_OPS,
2468 	},
2469 };
2470 
2471 module_pci_driver(ens137x_driver);
2472