xref: /openbmc/linux/sound/pci/ens1370.c (revision fd589a8f)
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/~iwai/writing-an-alsa-driver/c1540.htm
26  * by Kurt J. Bosch
27  */
28 
29 #include <asm/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/moduleparam.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 #else
59 #define DRIVER_NAME "ENS1371"
60 #endif
61 
62 
63 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Thomas Sailer <sailer@ife.ee.ethz.ch>");
64 MODULE_LICENSE("GPL");
65 #ifdef CHIP1370
66 MODULE_DESCRIPTION("Ensoniq AudioPCI ES1370");
67 MODULE_SUPPORTED_DEVICE("{{Ensoniq,AudioPCI-97 ES1370},"
68 	        "{Creative Labs,SB PCI64/128 (ES1370)}}");
69 #endif
70 #ifdef CHIP1371
71 MODULE_DESCRIPTION("Ensoniq/Creative AudioPCI ES1371+");
72 MODULE_SUPPORTED_DEVICE("{{Ensoniq,AudioPCI ES1371/73},"
73 		"{Ensoniq,AudioPCI ES1373},"
74 		"{Creative Labs,Ectiva EV1938},"
75 		"{Creative Labs,SB PCI64/128 (ES1371/73)},"
76 		"{Creative Labs,Vibra PCI128},"
77 		"{Ectiva,EV1938}}");
78 #endif
79 
80 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
81 #define SUPPORT_JOYSTICK
82 #endif
83 
84 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
85 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
86 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable switches */
87 #ifdef SUPPORT_JOYSTICK
88 #ifdef CHIP1371
89 static int joystick_port[SNDRV_CARDS];
90 #else
91 static int joystick[SNDRV_CARDS];
92 #endif
93 #endif
94 #ifdef CHIP1371
95 static int spdif[SNDRV_CARDS];
96 static int lineio[SNDRV_CARDS];
97 #endif
98 
99 module_param_array(index, int, NULL, 0444);
100 MODULE_PARM_DESC(index, "Index value for Ensoniq AudioPCI soundcard.");
101 module_param_array(id, charp, NULL, 0444);
102 MODULE_PARM_DESC(id, "ID string for Ensoniq AudioPCI soundcard.");
103 module_param_array(enable, bool, NULL, 0444);
104 MODULE_PARM_DESC(enable, "Enable Ensoniq AudioPCI soundcard.");
105 #ifdef SUPPORT_JOYSTICK
106 #ifdef CHIP1371
107 module_param_array(joystick_port, int, NULL, 0444);
108 MODULE_PARM_DESC(joystick_port, "Joystick port address.");
109 #else
110 module_param_array(joystick, bool, NULL, 0444);
111 MODULE_PARM_DESC(joystick, "Enable joystick.");
112 #endif
113 #endif /* SUPPORT_JOYSTICK */
114 #ifdef CHIP1371
115 module_param_array(spdif, int, NULL, 0444);
116 MODULE_PARM_DESC(spdif, "S/PDIF output (-1 = none, 0 = auto, 1 = force).");
117 module_param_array(lineio, int, NULL, 0444);
118 MODULE_PARM_DESC(lineio, "Line In to Rear Out (0 = auto, 1 = force).");
119 #endif
120 
121 /* ES1371 chip ID */
122 /* This is a little confusing because all ES1371 compatible chips have the
123    same DEVICE_ID, the only thing differentiating them is the REV_ID field.
124    This is only significant if you want to enable features on the later parts.
125    Yes, I know it's stupid and why didn't we use the sub IDs?
126 */
127 #define ES1371REV_ES1373_A  0x04
128 #define ES1371REV_ES1373_B  0x06
129 #define ES1371REV_CT5880_A  0x07
130 #define CT5880REV_CT5880_C  0x02
131 #define CT5880REV_CT5880_D  0x03	/* ??? -jk */
132 #define CT5880REV_CT5880_E  0x04	/* mw */
133 #define ES1371REV_ES1371_B  0x09
134 #define EV1938REV_EV1938_A  0x00
135 #define ES1371REV_ES1373_8  0x08
136 
137 /*
138  * Direct registers
139  */
140 
141 #define ES_REG(ensoniq, x) ((ensoniq)->port + ES_REG_##x)
142 
143 #define ES_REG_CONTROL	0x00	/* R/W: Interrupt/Chip select control register */
144 #define   ES_1370_ADC_STOP	(1<<31)		/* disable capture buffer transfers */
145 #define   ES_1370_XCTL1 	(1<<30)		/* general purpose output bit */
146 #define   ES_1373_BYPASS_P1	(1<<31)		/* bypass SRC for PB1 */
147 #define   ES_1373_BYPASS_P2	(1<<30)		/* bypass SRC for PB2 */
148 #define   ES_1373_BYPASS_R	(1<<29)		/* bypass SRC for REC */
149 #define   ES_1373_TEST_BIT	(1<<28)		/* should be set to 0 for normal operation */
150 #define   ES_1373_RECEN_B	(1<<27)		/* mix record with playback for I2S/SPDIF out */
151 #define   ES_1373_SPDIF_THRU	(1<<26)		/* 0 = SPDIF thru mode, 1 = SPDIF == dig out */
152 #define   ES_1371_JOY_ASEL(o)	(((o)&0x03)<<24)/* joystick port mapping */
153 #define   ES_1371_JOY_ASELM	(0x03<<24)	/* mask for above */
154 #define   ES_1371_JOY_ASELI(i)  (((i)>>24)&0x03)
155 #define   ES_1371_GPIO_IN(i)	(((i)>>20)&0x0f)/* GPIO in [3:0] pins - R/O */
156 #define   ES_1370_PCLKDIVO(o)	(((o)&0x1fff)<<16)/* clock divide ratio for DAC2 */
157 #define   ES_1370_PCLKDIVM	((0x1fff)<<16)	/* mask for above */
158 #define   ES_1370_PCLKDIVI(i)	(((i)>>16)&0x1fff)/* clock divide ratio for DAC2 */
159 #define   ES_1371_GPIO_OUT(o)	(((o)&0x0f)<<16)/* GPIO out [3:0] pins - W/R */
160 #define   ES_1371_GPIO_OUTM     (0x0f<<16)	/* mask for above */
161 #define   ES_MSFMTSEL		(1<<15)		/* MPEG serial data format; 0 = SONY, 1 = I2S */
162 #define   ES_1370_M_SBB		(1<<14)		/* clock source for DAC - 0 = clock generator; 1 = MPEG clocks */
163 #define   ES_1371_SYNC_RES	(1<<14)		/* Warm AC97 reset */
164 #define   ES_1370_WTSRSEL(o)	(((o)&0x03)<<12)/* fixed frequency clock for DAC1 */
165 #define   ES_1370_WTSRSELM	(0x03<<12)	/* mask for above */
166 #define   ES_1371_ADC_STOP	(1<<13)		/* disable CCB transfer capture information */
167 #define   ES_1371_PWR_INTRM	(1<<12)		/* power level change interrupts enable */
168 #define   ES_1370_DAC_SYNC	(1<<11)		/* DAC's are synchronous */
169 #define   ES_1371_M_CB		(1<<11)		/* capture clock source; 0 = AC'97 ADC; 1 = I2S */
170 #define   ES_CCB_INTRM		(1<<10)		/* CCB voice interrupts enable */
171 #define   ES_1370_M_CB		(1<<9)		/* capture clock source; 0 = ADC; 1 = MPEG */
172 #define   ES_1370_XCTL0		(1<<8)		/* generap purpose output bit */
173 #define   ES_1371_PDLEV(o)	(((o)&0x03)<<8)	/* current power down level */
174 #define   ES_1371_PDLEVM	(0x03<<8)	/* mask for above */
175 #define   ES_BREQ		(1<<7)		/* memory bus request enable */
176 #define   ES_DAC1_EN		(1<<6)		/* DAC1 playback channel enable */
177 #define   ES_DAC2_EN		(1<<5)		/* DAC2 playback channel enable */
178 #define   ES_ADC_EN		(1<<4)		/* ADC capture channel enable */
179 #define   ES_UART_EN		(1<<3)		/* UART enable */
180 #define   ES_JYSTK_EN		(1<<2)		/* Joystick module enable */
181 #define   ES_1370_CDC_EN	(1<<1)		/* Codec interface enable */
182 #define   ES_1371_XTALCKDIS	(1<<1)		/* Xtal clock disable */
183 #define   ES_1370_SERR_DISABLE	(1<<0)		/* PCI serr signal disable */
184 #define   ES_1371_PCICLKDIS     (1<<0)		/* PCI clock disable */
185 #define ES_REG_STATUS	0x04	/* R/O: Interrupt/Chip select status register */
186 #define   ES_INTR               (1<<31)		/* Interrupt is pending */
187 #define   ES_1371_ST_AC97_RST	(1<<29)		/* CT5880 AC'97 Reset bit */
188 #define   ES_1373_REAR_BIT27	(1<<27)		/* rear bits: 000 - front, 010 - mirror, 101 - separate */
189 #define   ES_1373_REAR_BIT26	(1<<26)
190 #define   ES_1373_REAR_BIT24	(1<<24)
191 #define   ES_1373_GPIO_INT_EN(o)(((o)&0x0f)<<20)/* GPIO [3:0] pins - interrupt enable */
192 #define   ES_1373_SPDIF_EN	(1<<18)		/* SPDIF enable */
193 #define   ES_1373_SPDIF_TEST	(1<<17)		/* SPDIF test */
194 #define   ES_1371_TEST          (1<<16)		/* test ASIC */
195 #define   ES_1373_GPIO_INT(i)	(((i)&0x0f)>>12)/* GPIO [3:0] pins - interrupt pending */
196 #define   ES_1370_CSTAT		(1<<10)		/* CODEC is busy or register write in progress */
197 #define   ES_1370_CBUSY         (1<<9)		/* CODEC is busy */
198 #define   ES_1370_CWRIP		(1<<8)		/* CODEC register write in progress */
199 #define   ES_1371_SYNC_ERR	(1<<8)		/* CODEC synchronization error occurred */
200 #define   ES_1371_VC(i)         (((i)>>6)&0x03)	/* voice code from CCB module */
201 #define   ES_1370_VC(i)		(((i)>>5)&0x03)	/* voice code from CCB module */
202 #define   ES_1371_MPWR          (1<<5)		/* power level interrupt pending */
203 #define   ES_MCCB		(1<<4)		/* CCB interrupt pending */
204 #define   ES_UART		(1<<3)		/* UART interrupt pending */
205 #define   ES_DAC1		(1<<2)		/* DAC1 channel interrupt pending */
206 #define   ES_DAC2		(1<<1)		/* DAC2 channel interrupt pending */
207 #define   ES_ADC		(1<<0)		/* ADC channel interrupt pending */
208 #define ES_REG_UART_DATA 0x08	/* R/W: UART data register */
209 #define ES_REG_UART_STATUS 0x09	/* R/O: UART status register */
210 #define   ES_RXINT		(1<<7)		/* RX interrupt occurred */
211 #define   ES_TXINT		(1<<2)		/* TX interrupt occurred */
212 #define   ES_TXRDY		(1<<1)		/* transmitter ready */
213 #define   ES_RXRDY		(1<<0)		/* receiver ready */
214 #define ES_REG_UART_CONTROL 0x09	/* W/O: UART control register */
215 #define   ES_RXINTEN		(1<<7)		/* RX interrupt enable */
216 #define   ES_TXINTENO(o)	(((o)&0x03)<<5)	/* TX interrupt enable */
217 #define   ES_TXINTENM		(0x03<<5)	/* mask for above */
218 #define   ES_TXINTENI(i)	(((i)>>5)&0x03)
219 #define   ES_CNTRL(o)		(((o)&0x03)<<0)	/* control */
220 #define   ES_CNTRLM		(0x03<<0)	/* mask for above */
221 #define ES_REG_UART_RES	0x0a	/* R/W: UART reserver register */
222 #define   ES_TEST_MODE		(1<<0)		/* test mode enabled */
223 #define ES_REG_MEM_PAGE	0x0c	/* R/W: Memory page register */
224 #define   ES_MEM_PAGEO(o)	(((o)&0x0f)<<0)	/* memory page select - out */
225 #define   ES_MEM_PAGEM		(0x0f<<0)	/* mask for above */
226 #define   ES_MEM_PAGEI(i)	(((i)>>0)&0x0f) /* memory page select - in */
227 #define ES_REG_1370_CODEC 0x10	/* W/O: Codec write register address */
228 #define   ES_1370_CODEC_WRITE(a,d) ((((a)&0xff)<<8)|(((d)&0xff)<<0))
229 #define ES_REG_1371_CODEC 0x14	/* W/R: Codec Read/Write register address */
230 #define   ES_1371_CODEC_RDY	   (1<<31)	/* codec ready */
231 #define   ES_1371_CODEC_WIP	   (1<<30)	/* codec register access in progress */
232 #define   ES_1371_CODEC_PIRD	   (1<<23)	/* codec read/write select register */
233 #define   ES_1371_CODEC_WRITE(a,d) ((((a)&0x7f)<<16)|(((d)&0xffff)<<0))
234 #define   ES_1371_CODEC_READS(a)   ((((a)&0x7f)<<16)|ES_1371_CODEC_PIRD)
235 #define   ES_1371_CODEC_READ(i)    (((i)>>0)&0xffff)
236 
237 #define ES_REG_1371_SMPRATE 0x10	/* W/R: Codec rate converter interface register */
238 #define   ES_1371_SRC_RAM_ADDRO(o) (((o)&0x7f)<<25)/* address of the sample rate converter */
239 #define   ES_1371_SRC_RAM_ADDRM	   (0x7f<<25)	/* mask for above */
240 #define   ES_1371_SRC_RAM_ADDRI(i) (((i)>>25)&0x7f)/* address of the sample rate converter */
241 #define   ES_1371_SRC_RAM_WE	   (1<<24)	/* R/W: read/write control for sample rate converter */
242 #define   ES_1371_SRC_RAM_BUSY     (1<<23)	/* R/O: sample rate memory is busy */
243 #define   ES_1371_SRC_DISABLE      (1<<22)	/* sample rate converter disable */
244 #define   ES_1371_DIS_P1	   (1<<21)	/* playback channel 1 accumulator update disable */
245 #define   ES_1371_DIS_P2	   (1<<20)	/* playback channel 1 accumulator update disable */
246 #define   ES_1371_DIS_R1	   (1<<19)	/* capture channel accumulator update disable */
247 #define   ES_1371_SRC_RAM_DATAO(o) (((o)&0xffff)<<0)/* current value of the sample rate converter */
248 #define   ES_1371_SRC_RAM_DATAM	   (0xffff<<0)	/* mask for above */
249 #define   ES_1371_SRC_RAM_DATAI(i) (((i)>>0)&0xffff)/* current value of the sample rate converter */
250 
251 #define ES_REG_1371_LEGACY 0x18	/* W/R: Legacy control/status register */
252 #define   ES_1371_JFAST		(1<<31)		/* fast joystick timing */
253 #define   ES_1371_HIB		(1<<30)		/* host interrupt blocking enable */
254 #define   ES_1371_VSB		(1<<29)		/* SB; 0 = addr 0x220xH, 1 = 0x22FxH */
255 #define   ES_1371_VMPUO(o)	(((o)&0x03)<<27)/* base register address; 0 = 0x320xH; 1 = 0x330xH; 2 = 0x340xH; 3 = 0x350xH */
256 #define   ES_1371_VMPUM		(0x03<<27)	/* mask for above */
257 #define   ES_1371_VMPUI(i)	(((i)>>27)&0x03)/* base register address */
258 #define   ES_1371_VCDCO(o)	(((o)&0x03)<<25)/* CODEC; 0 = 0x530xH; 1 = undefined; 2 = 0xe80xH; 3 = 0xF40xH */
259 #define   ES_1371_VCDCM		(0x03<<25)	/* mask for above */
260 #define   ES_1371_VCDCI(i)	(((i)>>25)&0x03)/* CODEC address */
261 #define   ES_1371_FIRQ		(1<<24)		/* force an interrupt */
262 #define   ES_1371_SDMACAP	(1<<23)		/* enable event capture for slave DMA controller */
263 #define   ES_1371_SPICAP	(1<<22)		/* enable event capture for slave IRQ controller */
264 #define   ES_1371_MDMACAP	(1<<21)		/* enable event capture for master DMA controller */
265 #define   ES_1371_MPICAP	(1<<20)		/* enable event capture for master IRQ controller */
266 #define   ES_1371_ADCAP		(1<<19)		/* enable event capture for ADLIB register; 0x388xH */
267 #define   ES_1371_SVCAP		(1<<18)		/* enable event capture for SB registers */
268 #define   ES_1371_CDCCAP	(1<<17)		/* enable event capture for CODEC registers */
269 #define   ES_1371_BACAP		(1<<16)		/* enable event capture for SoundScape base address */
270 #define   ES_1371_EXI(i)	(((i)>>8)&0x07)	/* event number */
271 #define   ES_1371_AI(i)		(((i)>>3)&0x1f)	/* event significant I/O address */
272 #define   ES_1371_WR		(1<<2)	/* event capture; 0 = read; 1 = write */
273 #define   ES_1371_LEGINT	(1<<0)	/* interrupt for legacy events; 0 = interrupt did occur */
274 
275 #define ES_REG_CHANNEL_STATUS 0x1c /* R/W: first 32-bits from S/PDIF channel status block, es1373 */
276 
277 #define ES_REG_SERIAL	0x20	/* R/W: Serial interface control register */
278 #define   ES_1371_DAC_TEST	(1<<22)		/* DAC test mode enable */
279 #define   ES_P2_END_INCO(o)	(((o)&0x07)<<19)/* binary offset value to increment / loop end */
280 #define   ES_P2_END_INCM	(0x07<<19)	/* mask for above */
281 #define   ES_P2_END_INCI(i)	(((i)>>16)&0x07)/* binary offset value to increment / loop end */
282 #define   ES_P2_ST_INCO(o)	(((o)&0x07)<<16)/* binary offset value to increment / start */
283 #define   ES_P2_ST_INCM		(0x07<<16)	/* mask for above */
284 #define   ES_P2_ST_INCI(i)	(((i)<<16)&0x07)/* binary offset value to increment / start */
285 #define   ES_R1_LOOP_SEL	(1<<15)		/* ADC; 0 - loop mode; 1 = stop mode */
286 #define   ES_P2_LOOP_SEL	(1<<14)		/* DAC2; 0 - loop mode; 1 = stop mode */
287 #define   ES_P1_LOOP_SEL	(1<<13)		/* DAC1; 0 - loop mode; 1 = stop mode */
288 #define   ES_P2_PAUSE		(1<<12)		/* DAC2; 0 - play mode; 1 = pause mode */
289 #define   ES_P1_PAUSE		(1<<11)		/* DAC1; 0 - play mode; 1 = pause mode */
290 #define   ES_R1_INT_EN		(1<<10)		/* ADC interrupt enable */
291 #define   ES_P2_INT_EN		(1<<9)		/* DAC2 interrupt enable */
292 #define   ES_P1_INT_EN		(1<<8)		/* DAC1 interrupt enable */
293 #define   ES_P1_SCT_RLD		(1<<7)		/* force sample counter reload for DAC1 */
294 #define   ES_P2_DAC_SEN		(1<<6)		/* when stop mode: 0 - DAC2 play back zeros; 1 = DAC2 play back last sample */
295 #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 */
296 #define   ES_R1_MODEM		(0x03<<4)	/* mask for above */
297 #define   ES_R1_MODEI(i)	(((i)>>4)&0x03)
298 #define   ES_P2_MODEO(o)	(((o)&0x03)<<2)	/* DAC2 mode; -- '' -- */
299 #define   ES_P2_MODEM		(0x03<<2)	/* mask for above */
300 #define   ES_P2_MODEI(i)	(((i)>>2)&0x03)
301 #define   ES_P1_MODEO(o)	(((o)&0x03)<<0)	/* DAC1 mode; -- '' -- */
302 #define   ES_P1_MODEM		(0x03<<0)	/* mask for above */
303 #define   ES_P1_MODEI(i)	(((i)>>0)&0x03)
304 
305 #define ES_REG_DAC1_COUNT 0x24	/* R/W: DAC1 sample count register */
306 #define ES_REG_DAC2_COUNT 0x28	/* R/W: DAC2 sample count register */
307 #define ES_REG_ADC_COUNT  0x2c	/* R/W: ADC sample count register */
308 #define   ES_REG_CURR_COUNT(i)  (((i)>>16)&0xffff)
309 #define   ES_REG_COUNTO(o)	(((o)&0xffff)<<0)
310 #define   ES_REG_COUNTM		(0xffff<<0)
311 #define   ES_REG_COUNTI(i)	(((i)>>0)&0xffff)
312 
313 #define ES_REG_DAC1_FRAME 0x30	/* R/W: PAGE 0x0c; DAC1 frame address */
314 #define ES_REG_DAC1_SIZE  0x34	/* R/W: PAGE 0x0c; DAC1 frame size */
315 #define ES_REG_DAC2_FRAME 0x38	/* R/W: PAGE 0x0c; DAC2 frame address */
316 #define ES_REG_DAC2_SIZE  0x3c	/* R/W: PAGE 0x0c; DAC2 frame size */
317 #define ES_REG_ADC_FRAME  0x30	/* R/W: PAGE 0x0d; ADC frame address */
318 #define ES_REG_ADC_SIZE	  0x34	/* R/W: PAGE 0x0d; ADC frame size */
319 #define   ES_REG_FCURR_COUNTO(o) (((o)&0xffff)<<16)
320 #define   ES_REG_FCURR_COUNTM    (0xffff<<16)
321 #define   ES_REG_FCURR_COUNTI(i) (((i)>>14)&0x3fffc)
322 #define   ES_REG_FSIZEO(o)	 (((o)&0xffff)<<0)
323 #define   ES_REG_FSIZEM		 (0xffff<<0)
324 #define   ES_REG_FSIZEI(i)	 (((i)>>0)&0xffff)
325 #define ES_REG_PHANTOM_FRAME 0x38 /* R/W: PAGE 0x0d: phantom frame address */
326 #define ES_REG_PHANTOM_COUNT 0x3c /* R/W: PAGE 0x0d: phantom frame count */
327 
328 #define ES_REG_UART_FIFO  0x30	/* R/W: PAGE 0x0e; UART FIFO register */
329 #define   ES_REG_UF_VALID	 (1<<8)
330 #define   ES_REG_UF_BYTEO(o)	 (((o)&0xff)<<0)
331 #define   ES_REG_UF_BYTEM	 (0xff<<0)
332 #define   ES_REG_UF_BYTEI(i)	 (((i)>>0)&0xff)
333 
334 
335 /*
336  *  Pages
337  */
338 
339 #define ES_PAGE_DAC	0x0c
340 #define ES_PAGE_ADC	0x0d
341 #define ES_PAGE_UART	0x0e
342 #define ES_PAGE_UART1	0x0f
343 
344 /*
345  *  Sample rate converter addresses
346  */
347 
348 #define ES_SMPREG_DAC1		0x70
349 #define ES_SMPREG_DAC2		0x74
350 #define ES_SMPREG_ADC		0x78
351 #define ES_SMPREG_VOL_ADC	0x6c
352 #define ES_SMPREG_VOL_DAC1	0x7c
353 #define ES_SMPREG_VOL_DAC2	0x7e
354 #define ES_SMPREG_TRUNC_N	0x00
355 #define ES_SMPREG_INT_REGS	0x01
356 #define ES_SMPREG_ACCUM_FRAC	0x02
357 #define ES_SMPREG_VFREQ_FRAC	0x03
358 
359 /*
360  *  Some contants
361  */
362 
363 #define ES_1370_SRCLOCK	   1411200
364 #define ES_1370_SRTODIV(x) (ES_1370_SRCLOCK/(x)-2)
365 
366 /*
367  *  Open modes
368  */
369 
370 #define ES_MODE_PLAY1	0x0001
371 #define ES_MODE_PLAY2	0x0002
372 #define ES_MODE_CAPTURE	0x0004
373 
374 #define ES_MODE_OUTPUT	0x0001	/* for MIDI */
375 #define ES_MODE_INPUT	0x0002	/* for MIDI */
376 
377 /*
378 
379  */
380 
381 struct ensoniq {
382 	spinlock_t reg_lock;
383 	struct mutex src_mutex;
384 
385 	int irq;
386 
387 	unsigned long playback1size;
388 	unsigned long playback2size;
389 	unsigned long capture3size;
390 
391 	unsigned long port;
392 	unsigned int mode;
393 	unsigned int uartm;	/* UART mode */
394 
395 	unsigned int ctrl;	/* control register */
396 	unsigned int sctrl;	/* serial control register */
397 	unsigned int cssr;	/* control status register */
398 	unsigned int uartc;	/* uart control register */
399 	unsigned int rev;	/* chip revision */
400 
401 	union {
402 #ifdef CHIP1371
403 		struct {
404 			struct snd_ac97 *ac97;
405 		} es1371;
406 #else
407 		struct {
408 			int pclkdiv_lock;
409 			struct snd_ak4531 *ak4531;
410 		} es1370;
411 #endif
412 	} u;
413 
414 	struct pci_dev *pci;
415 	struct snd_card *card;
416 	struct snd_pcm *pcm1;	/* DAC1/ADC PCM */
417 	struct snd_pcm *pcm2;	/* DAC2 PCM */
418 	struct snd_pcm_substream *playback1_substream;
419 	struct snd_pcm_substream *playback2_substream;
420 	struct snd_pcm_substream *capture_substream;
421 	unsigned int p1_dma_size;
422 	unsigned int p2_dma_size;
423 	unsigned int c_dma_size;
424 	unsigned int p1_period_size;
425 	unsigned int p2_period_size;
426 	unsigned int c_period_size;
427 	struct snd_rawmidi *rmidi;
428 	struct snd_rawmidi_substream *midi_input;
429 	struct snd_rawmidi_substream *midi_output;
430 
431 	unsigned int spdif;
432 	unsigned int spdif_default;
433 	unsigned int spdif_stream;
434 
435 #ifdef CHIP1370
436 	struct snd_dma_buffer dma_bug;
437 #endif
438 
439 #ifdef SUPPORT_JOYSTICK
440 	struct gameport *gameport;
441 #endif
442 };
443 
444 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id);
445 
446 static struct pci_device_id snd_audiopci_ids[] = {
447 #ifdef CHIP1370
448 	{ PCI_VDEVICE(ENSONIQ, 0x5000), 0, },	/* ES1370 */
449 #endif
450 #ifdef CHIP1371
451 	{ PCI_VDEVICE(ENSONIQ, 0x1371), 0, },	/* ES1371 */
452 	{ PCI_VDEVICE(ENSONIQ, 0x5880), 0, },	/* ES1373 - CT5880 */
453 	{ PCI_VDEVICE(ECTIVA, 0x8938), 0, },	/* Ectiva EV1938 */
454 #endif
455 	{ 0, }
456 };
457 
458 MODULE_DEVICE_TABLE(pci, snd_audiopci_ids);
459 
460 /*
461  *  constants
462  */
463 
464 #define POLL_COUNT	0xa000
465 
466 #ifdef CHIP1370
467 static unsigned int snd_es1370_fixed_rates[] =
468 	{5512, 11025, 22050, 44100};
469 static struct snd_pcm_hw_constraint_list snd_es1370_hw_constraints_rates = {
470 	.count = 4,
471 	.list = snd_es1370_fixed_rates,
472 	.mask = 0,
473 };
474 static struct snd_ratnum es1370_clock = {
475 	.num = ES_1370_SRCLOCK,
476 	.den_min = 29,
477 	.den_max = 353,
478 	.den_step = 1,
479 };
480 static struct snd_pcm_hw_constraint_ratnums snd_es1370_hw_constraints_clock = {
481 	.nrats = 1,
482 	.rats = &es1370_clock,
483 };
484 #else
485 static struct snd_ratden es1371_dac_clock = {
486 	.num_min = 3000 * (1 << 15),
487 	.num_max = 48000 * (1 << 15),
488 	.num_step = 3000,
489 	.den = 1 << 15,
490 };
491 static struct snd_pcm_hw_constraint_ratdens snd_es1371_hw_constraints_dac_clock = {
492 	.nrats = 1,
493 	.rats = &es1371_dac_clock,
494 };
495 static struct snd_ratnum es1371_adc_clock = {
496 	.num = 48000 << 15,
497 	.den_min = 32768,
498 	.den_max = 393216,
499 	.den_step = 1,
500 };
501 static struct snd_pcm_hw_constraint_ratnums snd_es1371_hw_constraints_adc_clock = {
502 	.nrats = 1,
503 	.rats = &es1371_adc_clock,
504 };
505 #endif
506 static const unsigned int snd_ensoniq_sample_shift[] =
507 	{0, 1, 1, 2};
508 
509 /*
510  *  common I/O routines
511  */
512 
513 #ifdef CHIP1371
514 
515 static unsigned int snd_es1371_wait_src_ready(struct ensoniq * ensoniq)
516 {
517 	unsigned int t, r = 0;
518 
519 	for (t = 0; t < POLL_COUNT; t++) {
520 		r = inl(ES_REG(ensoniq, 1371_SMPRATE));
521 		if ((r & ES_1371_SRC_RAM_BUSY) == 0)
522 			return r;
523 		cond_resched();
524 	}
525 	snd_printk(KERN_ERR "wait src ready timeout 0x%lx [0x%x]\n",
526 		   ES_REG(ensoniq, 1371_SMPRATE), r);
527 	return 0;
528 }
529 
530 static unsigned int snd_es1371_src_read(struct ensoniq * ensoniq, unsigned short reg)
531 {
532 	unsigned int temp, i, orig, r;
533 
534 	/* wait for ready */
535 	temp = orig = snd_es1371_wait_src_ready(ensoniq);
536 
537 	/* expose the SRC state bits */
538 	r = temp & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
539 		    ES_1371_DIS_P2 | ES_1371_DIS_R1);
540 	r |= ES_1371_SRC_RAM_ADDRO(reg) | 0x10000;
541 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
542 
543 	/* now, wait for busy and the correct time to read */
544 	temp = snd_es1371_wait_src_ready(ensoniq);
545 
546 	if ((temp & 0x00870000) != 0x00010000) {
547 		/* wait for the right state */
548 		for (i = 0; i < POLL_COUNT; i++) {
549 			temp = inl(ES_REG(ensoniq, 1371_SMPRATE));
550 			if ((temp & 0x00870000) == 0x00010000)
551 				break;
552 		}
553 	}
554 
555 	/* hide the state bits */
556 	r = orig & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
557 		   ES_1371_DIS_P2 | ES_1371_DIS_R1);
558 	r |= ES_1371_SRC_RAM_ADDRO(reg);
559 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
560 
561 	return temp;
562 }
563 
564 static void snd_es1371_src_write(struct ensoniq * ensoniq,
565 				 unsigned short reg, unsigned short data)
566 {
567 	unsigned int r;
568 
569 	r = snd_es1371_wait_src_ready(ensoniq) &
570 	    (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
571 	     ES_1371_DIS_P2 | ES_1371_DIS_R1);
572 	r |= ES_1371_SRC_RAM_ADDRO(reg) | ES_1371_SRC_RAM_DATAO(data);
573 	outl(r | ES_1371_SRC_RAM_WE, ES_REG(ensoniq, 1371_SMPRATE));
574 }
575 
576 #endif /* CHIP1371 */
577 
578 #ifdef CHIP1370
579 
580 static void snd_es1370_codec_write(struct snd_ak4531 *ak4531,
581 				   unsigned short reg, unsigned short val)
582 {
583 	struct ensoniq *ensoniq = ak4531->private_data;
584 	unsigned long end_time = jiffies + HZ / 10;
585 
586 #if 0
587 	printk(KERN_DEBUG
588 	       "CODEC WRITE: reg = 0x%x, val = 0x%x (0x%x), creg = 0x%x\n",
589 	       reg, val, ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
590 #endif
591 	do {
592 		if (!(inl(ES_REG(ensoniq, STATUS)) & ES_1370_CSTAT)) {
593 			outw(ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
594 			return;
595 		}
596 		schedule_timeout_uninterruptible(1);
597 	} while (time_after(end_time, jiffies));
598 	snd_printk(KERN_ERR "codec write timeout, status = 0x%x\n",
599 		   inl(ES_REG(ensoniq, STATUS)));
600 }
601 
602 #endif /* CHIP1370 */
603 
604 #ifdef CHIP1371
605 
606 static void snd_es1371_codec_write(struct snd_ac97 *ac97,
607 				   unsigned short reg, unsigned short val)
608 {
609 	struct ensoniq *ensoniq = ac97->private_data;
610 	unsigned int t, x;
611 
612 	mutex_lock(&ensoniq->src_mutex);
613 	for (t = 0; t < POLL_COUNT; t++) {
614 		if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
615 			/* save the current state for latter */
616 			x = snd_es1371_wait_src_ready(ensoniq);
617 			outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
618 			           ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
619 			     ES_REG(ensoniq, 1371_SMPRATE));
620 			/* wait for not busy (state 0) first to avoid
621 			   transition states */
622 			for (t = 0; t < POLL_COUNT; t++) {
623 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
624 				    0x00000000)
625 					break;
626 			}
627 			/* wait for a SAFE time to write addr/data and then do it, dammit */
628 			for (t = 0; t < POLL_COUNT; t++) {
629 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
630 				    0x00010000)
631 					break;
632 			}
633 			outl(ES_1371_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1371_CODEC));
634 			/* restore SRC reg */
635 			snd_es1371_wait_src_ready(ensoniq);
636 			outl(x, ES_REG(ensoniq, 1371_SMPRATE));
637 			mutex_unlock(&ensoniq->src_mutex);
638 			return;
639 		}
640 	}
641 	mutex_unlock(&ensoniq->src_mutex);
642 	snd_printk(KERN_ERR "codec write timeout at 0x%lx [0x%x]\n",
643 		   ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
644 }
645 
646 static unsigned short snd_es1371_codec_read(struct snd_ac97 *ac97,
647 					    unsigned short reg)
648 {
649 	struct ensoniq *ensoniq = ac97->private_data;
650 	unsigned int t, x, fail = 0;
651 
652       __again:
653 	mutex_lock(&ensoniq->src_mutex);
654 	for (t = 0; t < POLL_COUNT; t++) {
655 		if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
656 			/* save the current state for latter */
657 			x = snd_es1371_wait_src_ready(ensoniq);
658 			outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
659 			           ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
660 			     ES_REG(ensoniq, 1371_SMPRATE));
661 			/* wait for not busy (state 0) first to avoid
662 			   transition states */
663 			for (t = 0; t < POLL_COUNT; t++) {
664 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
665 				    0x00000000)
666 					break;
667 			}
668 			/* wait for a SAFE time to write addr/data and then do it, dammit */
669 			for (t = 0; t < POLL_COUNT; t++) {
670 				if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
671 				    0x00010000)
672 					break;
673 			}
674 			outl(ES_1371_CODEC_READS(reg), ES_REG(ensoniq, 1371_CODEC));
675 			/* restore SRC reg */
676 			snd_es1371_wait_src_ready(ensoniq);
677 			outl(x, ES_REG(ensoniq, 1371_SMPRATE));
678 			/* wait for WIP again */
679 			for (t = 0; t < POLL_COUNT; t++) {
680 				if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP))
681 					break;
682 			}
683 			/* now wait for the stinkin' data (RDY) */
684 			for (t = 0; t < POLL_COUNT; t++) {
685 				if ((x = inl(ES_REG(ensoniq, 1371_CODEC))) & ES_1371_CODEC_RDY) {
686 					mutex_unlock(&ensoniq->src_mutex);
687 					return ES_1371_CODEC_READ(x);
688 				}
689 			}
690 			mutex_unlock(&ensoniq->src_mutex);
691 			if (++fail > 10) {
692 				snd_printk(KERN_ERR "codec read timeout (final) "
693 					   "at 0x%lx, reg = 0x%x [0x%x]\n",
694 					   ES_REG(ensoniq, 1371_CODEC), reg,
695 					   inl(ES_REG(ensoniq, 1371_CODEC)));
696 				return 0;
697 			}
698 			goto __again;
699 		}
700 	}
701 	mutex_unlock(&ensoniq->src_mutex);
702 	snd_printk(KERN_ERR "es1371: codec read timeout at 0x%lx [0x%x]\n",
703 		   ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
704 	return 0;
705 }
706 
707 static void snd_es1371_codec_wait(struct snd_ac97 *ac97)
708 {
709 	msleep(750);
710 	snd_es1371_codec_read(ac97, AC97_RESET);
711 	snd_es1371_codec_read(ac97, AC97_VENDOR_ID1);
712 	snd_es1371_codec_read(ac97, AC97_VENDOR_ID2);
713 	msleep(50);
714 }
715 
716 static void snd_es1371_adc_rate(struct ensoniq * ensoniq, unsigned int rate)
717 {
718 	unsigned int n, truncm, freq, result;
719 
720 	mutex_lock(&ensoniq->src_mutex);
721 	n = rate / 3000;
722 	if ((1 << n) & ((1 << 15) | (1 << 13) | (1 << 11) | (1 << 9)))
723 		n--;
724 	truncm = (21 * n - 1) | 1;
725 	freq = ((48000UL << 15) / rate) * n;
726 	result = (48000UL << 15) / (freq / n);
727 	if (rate >= 24000) {
728 		if (truncm > 239)
729 			truncm = 239;
730 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
731 				(((239 - truncm) >> 1) << 9) | (n << 4));
732 	} else {
733 		if (truncm > 119)
734 			truncm = 119;
735 		snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
736 				0x8000 | (((119 - truncm) >> 1) << 9) | (n << 4));
737 	}
738 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_INT_REGS,
739 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_ADC +
740 						  ES_SMPREG_INT_REGS) & 0x00ff) |
741 			     ((freq >> 5) & 0xfc00));
742 	snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
743 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, n << 8);
744 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, n << 8);
745 	mutex_unlock(&ensoniq->src_mutex);
746 }
747 
748 static void snd_es1371_dac1_rate(struct ensoniq * ensoniq, unsigned int rate)
749 {
750 	unsigned int freq, r;
751 
752 	mutex_lock(&ensoniq->src_mutex);
753 	freq = ((rate << 15) + 1500) / 3000;
754 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
755 						   ES_1371_DIS_P2 | ES_1371_DIS_R1)) |
756 		ES_1371_DIS_P1;
757 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
758 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS,
759 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC1 +
760 						  ES_SMPREG_INT_REGS) & 0x00ff) |
761 			     ((freq >> 5) & 0xfc00));
762 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
763 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
764 						   ES_1371_DIS_P2 | ES_1371_DIS_R1));
765 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
766 	mutex_unlock(&ensoniq->src_mutex);
767 }
768 
769 static void snd_es1371_dac2_rate(struct ensoniq * ensoniq, unsigned int rate)
770 {
771 	unsigned int freq, r;
772 
773 	mutex_lock(&ensoniq->src_mutex);
774 	freq = ((rate << 15) + 1500) / 3000;
775 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
776 						   ES_1371_DIS_P1 | ES_1371_DIS_R1)) |
777 		ES_1371_DIS_P2;
778 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
779 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS,
780 			     (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC2 +
781 						  ES_SMPREG_INT_REGS) & 0x00ff) |
782 			     ((freq >> 5) & 0xfc00));
783 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_VFREQ_FRAC,
784 			     freq & 0x7fff);
785 	r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
786 						   ES_1371_DIS_P1 | ES_1371_DIS_R1));
787 	outl(r, ES_REG(ensoniq, 1371_SMPRATE));
788 	mutex_unlock(&ensoniq->src_mutex);
789 }
790 
791 #endif /* CHIP1371 */
792 
793 static int snd_ensoniq_trigger(struct snd_pcm_substream *substream, int cmd)
794 {
795 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
796 	switch (cmd) {
797 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
798 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
799 	{
800 		unsigned int what = 0;
801 		struct snd_pcm_substream *s;
802 		snd_pcm_group_for_each_entry(s, substream) {
803 			if (s == ensoniq->playback1_substream) {
804 				what |= ES_P1_PAUSE;
805 				snd_pcm_trigger_done(s, substream);
806 			} else if (s == ensoniq->playback2_substream) {
807 				what |= ES_P2_PAUSE;
808 				snd_pcm_trigger_done(s, substream);
809 			} else if (s == ensoniq->capture_substream)
810 				return -EINVAL;
811 		}
812 		spin_lock(&ensoniq->reg_lock);
813 		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
814 			ensoniq->sctrl |= what;
815 		else
816 			ensoniq->sctrl &= ~what;
817 		outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
818 		spin_unlock(&ensoniq->reg_lock);
819 		break;
820 	}
821 	case SNDRV_PCM_TRIGGER_START:
822 	case SNDRV_PCM_TRIGGER_STOP:
823 	{
824 		unsigned int what = 0;
825 		struct snd_pcm_substream *s;
826 		snd_pcm_group_for_each_entry(s, substream) {
827 			if (s == ensoniq->playback1_substream) {
828 				what |= ES_DAC1_EN;
829 				snd_pcm_trigger_done(s, substream);
830 			} else if (s == ensoniq->playback2_substream) {
831 				what |= ES_DAC2_EN;
832 				snd_pcm_trigger_done(s, substream);
833 			} else if (s == ensoniq->capture_substream) {
834 				what |= ES_ADC_EN;
835 				snd_pcm_trigger_done(s, substream);
836 			}
837 		}
838 		spin_lock(&ensoniq->reg_lock);
839 		if (cmd == SNDRV_PCM_TRIGGER_START)
840 			ensoniq->ctrl |= what;
841 		else
842 			ensoniq->ctrl &= ~what;
843 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
844 		spin_unlock(&ensoniq->reg_lock);
845 		break;
846 	}
847 	default:
848 		return -EINVAL;
849 	}
850 	return 0;
851 }
852 
853 /*
854  *  PCM part
855  */
856 
857 static int snd_ensoniq_hw_params(struct snd_pcm_substream *substream,
858 				 struct snd_pcm_hw_params *hw_params)
859 {
860 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
861 }
862 
863 static int snd_ensoniq_hw_free(struct snd_pcm_substream *substream)
864 {
865 	return snd_pcm_lib_free_pages(substream);
866 }
867 
868 static int snd_ensoniq_playback1_prepare(struct snd_pcm_substream *substream)
869 {
870 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
871 	struct snd_pcm_runtime *runtime = substream->runtime;
872 	unsigned int mode = 0;
873 
874 	ensoniq->p1_dma_size = snd_pcm_lib_buffer_bytes(substream);
875 	ensoniq->p1_period_size = snd_pcm_lib_period_bytes(substream);
876 	if (snd_pcm_format_width(runtime->format) == 16)
877 		mode |= 0x02;
878 	if (runtime->channels > 1)
879 		mode |= 0x01;
880 	spin_lock_irq(&ensoniq->reg_lock);
881 	ensoniq->ctrl &= ~ES_DAC1_EN;
882 #ifdef CHIP1371
883 	/* 48k doesn't need SRC (it breaks AC3-passthru) */
884 	if (runtime->rate == 48000)
885 		ensoniq->ctrl |= ES_1373_BYPASS_P1;
886 	else
887 		ensoniq->ctrl &= ~ES_1373_BYPASS_P1;
888 #endif
889 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
890 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
891 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC1_FRAME));
892 	outl((ensoniq->p1_dma_size >> 2) - 1, ES_REG(ensoniq, DAC1_SIZE));
893 	ensoniq->sctrl &= ~(ES_P1_LOOP_SEL | ES_P1_PAUSE | ES_P1_SCT_RLD | ES_P1_MODEM);
894 	ensoniq->sctrl |= ES_P1_INT_EN | ES_P1_MODEO(mode);
895 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
896 	outl((ensoniq->p1_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
897 	     ES_REG(ensoniq, DAC1_COUNT));
898 #ifdef CHIP1370
899 	ensoniq->ctrl &= ~ES_1370_WTSRSELM;
900 	switch (runtime->rate) {
901 	case 5512: ensoniq->ctrl |= ES_1370_WTSRSEL(0); break;
902 	case 11025: ensoniq->ctrl |= ES_1370_WTSRSEL(1); break;
903 	case 22050: ensoniq->ctrl |= ES_1370_WTSRSEL(2); break;
904 	case 44100: ensoniq->ctrl |= ES_1370_WTSRSEL(3); break;
905 	default: snd_BUG();
906 	}
907 #endif
908 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
909 	spin_unlock_irq(&ensoniq->reg_lock);
910 #ifndef CHIP1370
911 	snd_es1371_dac1_rate(ensoniq, runtime->rate);
912 #endif
913 	return 0;
914 }
915 
916 static int snd_ensoniq_playback2_prepare(struct snd_pcm_substream *substream)
917 {
918 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
919 	struct snd_pcm_runtime *runtime = substream->runtime;
920 	unsigned int mode = 0;
921 
922 	ensoniq->p2_dma_size = snd_pcm_lib_buffer_bytes(substream);
923 	ensoniq->p2_period_size = snd_pcm_lib_period_bytes(substream);
924 	if (snd_pcm_format_width(runtime->format) == 16)
925 		mode |= 0x02;
926 	if (runtime->channels > 1)
927 		mode |= 0x01;
928 	spin_lock_irq(&ensoniq->reg_lock);
929 	ensoniq->ctrl &= ~ES_DAC2_EN;
930 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
931 	outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
932 	outl(runtime->dma_addr, ES_REG(ensoniq, DAC2_FRAME));
933 	outl((ensoniq->p2_dma_size >> 2) - 1, ES_REG(ensoniq, DAC2_SIZE));
934 	ensoniq->sctrl &= ~(ES_P2_LOOP_SEL | ES_P2_PAUSE | ES_P2_DAC_SEN |
935 			    ES_P2_END_INCM | ES_P2_ST_INCM | ES_P2_MODEM);
936 	ensoniq->sctrl |= ES_P2_INT_EN | ES_P2_MODEO(mode) |
937 			  ES_P2_END_INCO(mode & 2 ? 2 : 1) | ES_P2_ST_INCO(0);
938 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
939 	outl((ensoniq->p2_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
940 	     ES_REG(ensoniq, DAC2_COUNT));
941 #ifdef CHIP1370
942 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_CAPTURE)) {
943 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
944 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
945 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_PLAY2;
946 	}
947 #endif
948 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
949 	spin_unlock_irq(&ensoniq->reg_lock);
950 #ifndef CHIP1370
951 	snd_es1371_dac2_rate(ensoniq, runtime->rate);
952 #endif
953 	return 0;
954 }
955 
956 static int snd_ensoniq_capture_prepare(struct snd_pcm_substream *substream)
957 {
958 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
959 	struct snd_pcm_runtime *runtime = substream->runtime;
960 	unsigned int mode = 0;
961 
962 	ensoniq->c_dma_size = snd_pcm_lib_buffer_bytes(substream);
963 	ensoniq->c_period_size = snd_pcm_lib_period_bytes(substream);
964 	if (snd_pcm_format_width(runtime->format) == 16)
965 		mode |= 0x02;
966 	if (runtime->channels > 1)
967 		mode |= 0x01;
968 	spin_lock_irq(&ensoniq->reg_lock);
969 	ensoniq->ctrl &= ~ES_ADC_EN;
970 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
971 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
972 	outl(runtime->dma_addr, ES_REG(ensoniq, ADC_FRAME));
973 	outl((ensoniq->c_dma_size >> 2) - 1, ES_REG(ensoniq, ADC_SIZE));
974 	ensoniq->sctrl &= ~(ES_R1_LOOP_SEL | ES_R1_MODEM);
975 	ensoniq->sctrl |= ES_R1_INT_EN | ES_R1_MODEO(mode);
976 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
977 	outl((ensoniq->c_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
978 	     ES_REG(ensoniq, ADC_COUNT));
979 #ifdef CHIP1370
980 	if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_PLAY2)) {
981 		ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
982 		ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
983 		ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_CAPTURE;
984 	}
985 #endif
986 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
987 	spin_unlock_irq(&ensoniq->reg_lock);
988 #ifndef CHIP1370
989 	snd_es1371_adc_rate(ensoniq, runtime->rate);
990 #endif
991 	return 0;
992 }
993 
994 static snd_pcm_uframes_t snd_ensoniq_playback1_pointer(struct snd_pcm_substream *substream)
995 {
996 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
997 	size_t ptr;
998 
999 	spin_lock(&ensoniq->reg_lock);
1000 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC1_EN) {
1001 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1002 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC1_SIZE)));
1003 		ptr = bytes_to_frames(substream->runtime, ptr);
1004 	} else {
1005 		ptr = 0;
1006 	}
1007 	spin_unlock(&ensoniq->reg_lock);
1008 	return ptr;
1009 }
1010 
1011 static snd_pcm_uframes_t snd_ensoniq_playback2_pointer(struct snd_pcm_substream *substream)
1012 {
1013 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1014 	size_t ptr;
1015 
1016 	spin_lock(&ensoniq->reg_lock);
1017 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC2_EN) {
1018 		outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1019 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC2_SIZE)));
1020 		ptr = bytes_to_frames(substream->runtime, ptr);
1021 	} else {
1022 		ptr = 0;
1023 	}
1024 	spin_unlock(&ensoniq->reg_lock);
1025 	return ptr;
1026 }
1027 
1028 static snd_pcm_uframes_t snd_ensoniq_capture_pointer(struct snd_pcm_substream *substream)
1029 {
1030 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1031 	size_t ptr;
1032 
1033 	spin_lock(&ensoniq->reg_lock);
1034 	if (inl(ES_REG(ensoniq, CONTROL)) & ES_ADC_EN) {
1035 		outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1036 		ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, ADC_SIZE)));
1037 		ptr = bytes_to_frames(substream->runtime, ptr);
1038 	} else {
1039 		ptr = 0;
1040 	}
1041 	spin_unlock(&ensoniq->reg_lock);
1042 	return ptr;
1043 }
1044 
1045 static struct snd_pcm_hardware snd_ensoniq_playback1 =
1046 {
1047 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1048 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1049 				 SNDRV_PCM_INFO_MMAP_VALID |
1050 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
1051 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1052 	.rates =
1053 #ifndef CHIP1370
1054 				SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1055 #else
1056 				(SNDRV_PCM_RATE_KNOT | 	/* 5512Hz rate */
1057 				 SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_22050 |
1058 				 SNDRV_PCM_RATE_44100),
1059 #endif
1060 	.rate_min =		4000,
1061 	.rate_max =		48000,
1062 	.channels_min =		1,
1063 	.channels_max =		2,
1064 	.buffer_bytes_max =	(128*1024),
1065 	.period_bytes_min =	64,
1066 	.period_bytes_max =	(128*1024),
1067 	.periods_min =		1,
1068 	.periods_max =		1024,
1069 	.fifo_size =		0,
1070 };
1071 
1072 static struct snd_pcm_hardware snd_ensoniq_playback2 =
1073 {
1074 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1075 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1076 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE |
1077 				 SNDRV_PCM_INFO_SYNC_START),
1078 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1079 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1080 	.rate_min =		4000,
1081 	.rate_max =		48000,
1082 	.channels_min =		1,
1083 	.channels_max =		2,
1084 	.buffer_bytes_max =	(128*1024),
1085 	.period_bytes_min =	64,
1086 	.period_bytes_max =	(128*1024),
1087 	.periods_min =		1,
1088 	.periods_max =		1024,
1089 	.fifo_size =		0,
1090 };
1091 
1092 static struct snd_pcm_hardware snd_ensoniq_capture =
1093 {
1094 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1095 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1096 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1097 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1098 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1099 	.rate_min =		4000,
1100 	.rate_max =		48000,
1101 	.channels_min =		1,
1102 	.channels_max =		2,
1103 	.buffer_bytes_max =	(128*1024),
1104 	.period_bytes_min =	64,
1105 	.period_bytes_max =	(128*1024),
1106 	.periods_min =		1,
1107 	.periods_max =		1024,
1108 	.fifo_size =		0,
1109 };
1110 
1111 static int snd_ensoniq_playback1_open(struct snd_pcm_substream *substream)
1112 {
1113 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1114 	struct snd_pcm_runtime *runtime = substream->runtime;
1115 
1116 	ensoniq->mode |= ES_MODE_PLAY1;
1117 	ensoniq->playback1_substream = substream;
1118 	runtime->hw = snd_ensoniq_playback1;
1119 	snd_pcm_set_sync(substream);
1120 	spin_lock_irq(&ensoniq->reg_lock);
1121 	if (ensoniq->spdif && ensoniq->playback2_substream == NULL)
1122 		ensoniq->spdif_stream = ensoniq->spdif_default;
1123 	spin_unlock_irq(&ensoniq->reg_lock);
1124 #ifdef CHIP1370
1125 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1126 				   &snd_es1370_hw_constraints_rates);
1127 #else
1128 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1129 				      &snd_es1371_hw_constraints_dac_clock);
1130 #endif
1131 	return 0;
1132 }
1133 
1134 static int snd_ensoniq_playback2_open(struct snd_pcm_substream *substream)
1135 {
1136 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1137 	struct snd_pcm_runtime *runtime = substream->runtime;
1138 
1139 	ensoniq->mode |= ES_MODE_PLAY2;
1140 	ensoniq->playback2_substream = substream;
1141 	runtime->hw = snd_ensoniq_playback2;
1142 	snd_pcm_set_sync(substream);
1143 	spin_lock_irq(&ensoniq->reg_lock);
1144 	if (ensoniq->spdif && ensoniq->playback1_substream == NULL)
1145 		ensoniq->spdif_stream = ensoniq->spdif_default;
1146 	spin_unlock_irq(&ensoniq->reg_lock);
1147 #ifdef CHIP1370
1148 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1149 				      &snd_es1370_hw_constraints_clock);
1150 #else
1151 	snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1152 				      &snd_es1371_hw_constraints_dac_clock);
1153 #endif
1154 	return 0;
1155 }
1156 
1157 static int snd_ensoniq_capture_open(struct snd_pcm_substream *substream)
1158 {
1159 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1160 	struct snd_pcm_runtime *runtime = substream->runtime;
1161 
1162 	ensoniq->mode |= ES_MODE_CAPTURE;
1163 	ensoniq->capture_substream = substream;
1164 	runtime->hw = snd_ensoniq_capture;
1165 	snd_pcm_set_sync(substream);
1166 #ifdef CHIP1370
1167 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1168 				      &snd_es1370_hw_constraints_clock);
1169 #else
1170 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1171 				      &snd_es1371_hw_constraints_adc_clock);
1172 #endif
1173 	return 0;
1174 }
1175 
1176 static int snd_ensoniq_playback1_close(struct snd_pcm_substream *substream)
1177 {
1178 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1179 
1180 	ensoniq->playback1_substream = NULL;
1181 	ensoniq->mode &= ~ES_MODE_PLAY1;
1182 	return 0;
1183 }
1184 
1185 static int snd_ensoniq_playback2_close(struct snd_pcm_substream *substream)
1186 {
1187 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1188 
1189 	ensoniq->playback2_substream = NULL;
1190 	spin_lock_irq(&ensoniq->reg_lock);
1191 #ifdef CHIP1370
1192 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_PLAY2;
1193 #endif
1194 	ensoniq->mode &= ~ES_MODE_PLAY2;
1195 	spin_unlock_irq(&ensoniq->reg_lock);
1196 	return 0;
1197 }
1198 
1199 static int snd_ensoniq_capture_close(struct snd_pcm_substream *substream)
1200 {
1201 	struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1202 
1203 	ensoniq->capture_substream = NULL;
1204 	spin_lock_irq(&ensoniq->reg_lock);
1205 #ifdef CHIP1370
1206 	ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_CAPTURE;
1207 #endif
1208 	ensoniq->mode &= ~ES_MODE_CAPTURE;
1209 	spin_unlock_irq(&ensoniq->reg_lock);
1210 	return 0;
1211 }
1212 
1213 static struct snd_pcm_ops snd_ensoniq_playback1_ops = {
1214 	.open =		snd_ensoniq_playback1_open,
1215 	.close =	snd_ensoniq_playback1_close,
1216 	.ioctl =	snd_pcm_lib_ioctl,
1217 	.hw_params =	snd_ensoniq_hw_params,
1218 	.hw_free =	snd_ensoniq_hw_free,
1219 	.prepare =	snd_ensoniq_playback1_prepare,
1220 	.trigger =	snd_ensoniq_trigger,
1221 	.pointer =	snd_ensoniq_playback1_pointer,
1222 };
1223 
1224 static struct snd_pcm_ops snd_ensoniq_playback2_ops = {
1225 	.open =		snd_ensoniq_playback2_open,
1226 	.close =	snd_ensoniq_playback2_close,
1227 	.ioctl =	snd_pcm_lib_ioctl,
1228 	.hw_params =	snd_ensoniq_hw_params,
1229 	.hw_free =	snd_ensoniq_hw_free,
1230 	.prepare =	snd_ensoniq_playback2_prepare,
1231 	.trigger =	snd_ensoniq_trigger,
1232 	.pointer =	snd_ensoniq_playback2_pointer,
1233 };
1234 
1235 static struct snd_pcm_ops snd_ensoniq_capture_ops = {
1236 	.open =		snd_ensoniq_capture_open,
1237 	.close =	snd_ensoniq_capture_close,
1238 	.ioctl =	snd_pcm_lib_ioctl,
1239 	.hw_params =	snd_ensoniq_hw_params,
1240 	.hw_free =	snd_ensoniq_hw_free,
1241 	.prepare =	snd_ensoniq_capture_prepare,
1242 	.trigger =	snd_ensoniq_trigger,
1243 	.pointer =	snd_ensoniq_capture_pointer,
1244 };
1245 
1246 static int __devinit snd_ensoniq_pcm(struct ensoniq * ensoniq, int device,
1247 				     struct snd_pcm ** rpcm)
1248 {
1249 	struct snd_pcm *pcm;
1250 	int err;
1251 
1252 	if (rpcm)
1253 		*rpcm = NULL;
1254 #ifdef CHIP1370
1255 	err = snd_pcm_new(ensoniq->card, "ES1370/1", device, 1, 1, &pcm);
1256 #else
1257 	err = snd_pcm_new(ensoniq->card, "ES1371/1", device, 1, 1, &pcm);
1258 #endif
1259 	if (err < 0)
1260 		return err;
1261 
1262 #ifdef CHIP1370
1263 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1264 #else
1265 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1266 #endif
1267 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ensoniq_capture_ops);
1268 
1269 	pcm->private_data = ensoniq;
1270 	pcm->info_flags = 0;
1271 #ifdef CHIP1370
1272 	strcpy(pcm->name, "ES1370 DAC2/ADC");
1273 #else
1274 	strcpy(pcm->name, "ES1371 DAC2/ADC");
1275 #endif
1276 	ensoniq->pcm1 = pcm;
1277 
1278 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1279 					      snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024);
1280 
1281 	if (rpcm)
1282 		*rpcm = pcm;
1283 	return 0;
1284 }
1285 
1286 static int __devinit snd_ensoniq_pcm2(struct ensoniq * ensoniq, int device,
1287 				      struct snd_pcm ** rpcm)
1288 {
1289 	struct snd_pcm *pcm;
1290 	int err;
1291 
1292 	if (rpcm)
1293 		*rpcm = NULL;
1294 #ifdef CHIP1370
1295 	err = snd_pcm_new(ensoniq->card, "ES1370/2", device, 1, 0, &pcm);
1296 #else
1297 	err = snd_pcm_new(ensoniq->card, "ES1371/2", device, 1, 0, &pcm);
1298 #endif
1299 	if (err < 0)
1300 		return err;
1301 
1302 #ifdef CHIP1370
1303 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1304 #else
1305 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1306 #endif
1307 	pcm->private_data = ensoniq;
1308 	pcm->info_flags = 0;
1309 #ifdef CHIP1370
1310 	strcpy(pcm->name, "ES1370 DAC1");
1311 #else
1312 	strcpy(pcm->name, "ES1371 DAC1");
1313 #endif
1314 	ensoniq->pcm2 = pcm;
1315 
1316 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1317 					      snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024);
1318 
1319 	if (rpcm)
1320 		*rpcm = pcm;
1321 	return 0;
1322 }
1323 
1324 /*
1325  *  Mixer section
1326  */
1327 
1328 /*
1329  * ENS1371 mixer (including SPDIF interface)
1330  */
1331 #ifdef CHIP1371
1332 static int snd_ens1373_spdif_info(struct snd_kcontrol *kcontrol,
1333 				  struct snd_ctl_elem_info *uinfo)
1334 {
1335 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1336 	uinfo->count = 1;
1337 	return 0;
1338 }
1339 
1340 static int snd_ens1373_spdif_default_get(struct snd_kcontrol *kcontrol,
1341                                          struct snd_ctl_elem_value *ucontrol)
1342 {
1343 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1344 	spin_lock_irq(&ensoniq->reg_lock);
1345 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_default >> 0) & 0xff;
1346 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_default >> 8) & 0xff;
1347 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_default >> 16) & 0xff;
1348 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_default >> 24) & 0xff;
1349 	spin_unlock_irq(&ensoniq->reg_lock);
1350 	return 0;
1351 }
1352 
1353 static int snd_ens1373_spdif_default_put(struct snd_kcontrol *kcontrol,
1354                                          struct snd_ctl_elem_value *ucontrol)
1355 {
1356 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1357 	unsigned int val;
1358 	int change;
1359 
1360 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1361 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1362 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1363 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1364 	spin_lock_irq(&ensoniq->reg_lock);
1365 	change = ensoniq->spdif_default != val;
1366 	ensoniq->spdif_default = val;
1367 	if (change && ensoniq->playback1_substream == NULL &&
1368 	    ensoniq->playback2_substream == NULL)
1369 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1370 	spin_unlock_irq(&ensoniq->reg_lock);
1371 	return change;
1372 }
1373 
1374 static int snd_ens1373_spdif_mask_get(struct snd_kcontrol *kcontrol,
1375 				      struct snd_ctl_elem_value *ucontrol)
1376 {
1377 	ucontrol->value.iec958.status[0] = 0xff;
1378 	ucontrol->value.iec958.status[1] = 0xff;
1379 	ucontrol->value.iec958.status[2] = 0xff;
1380 	ucontrol->value.iec958.status[3] = 0xff;
1381 	return 0;
1382 }
1383 
1384 static int snd_ens1373_spdif_stream_get(struct snd_kcontrol *kcontrol,
1385 					struct snd_ctl_elem_value *ucontrol)
1386 {
1387 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1388 	spin_lock_irq(&ensoniq->reg_lock);
1389 	ucontrol->value.iec958.status[0] = (ensoniq->spdif_stream >> 0) & 0xff;
1390 	ucontrol->value.iec958.status[1] = (ensoniq->spdif_stream >> 8) & 0xff;
1391 	ucontrol->value.iec958.status[2] = (ensoniq->spdif_stream >> 16) & 0xff;
1392 	ucontrol->value.iec958.status[3] = (ensoniq->spdif_stream >> 24) & 0xff;
1393 	spin_unlock_irq(&ensoniq->reg_lock);
1394 	return 0;
1395 }
1396 
1397 static int snd_ens1373_spdif_stream_put(struct snd_kcontrol *kcontrol,
1398                                         struct snd_ctl_elem_value *ucontrol)
1399 {
1400 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1401 	unsigned int val;
1402 	int change;
1403 
1404 	val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1405 	      ((u32)ucontrol->value.iec958.status[1] << 8) |
1406 	      ((u32)ucontrol->value.iec958.status[2] << 16) |
1407 	      ((u32)ucontrol->value.iec958.status[3] << 24);
1408 	spin_lock_irq(&ensoniq->reg_lock);
1409 	change = ensoniq->spdif_stream != val;
1410 	ensoniq->spdif_stream = val;
1411 	if (change && (ensoniq->playback1_substream != NULL ||
1412 		       ensoniq->playback2_substream != NULL))
1413 		outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1414 	spin_unlock_irq(&ensoniq->reg_lock);
1415 	return change;
1416 }
1417 
1418 #define ES1371_SPDIF(xname) \
1419 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_es1371_spdif_info, \
1420   .get = snd_es1371_spdif_get, .put = snd_es1371_spdif_put }
1421 
1422 #define snd_es1371_spdif_info		snd_ctl_boolean_mono_info
1423 
1424 static int snd_es1371_spdif_get(struct snd_kcontrol *kcontrol,
1425 				struct snd_ctl_elem_value *ucontrol)
1426 {
1427 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1428 
1429 	spin_lock_irq(&ensoniq->reg_lock);
1430 	ucontrol->value.integer.value[0] = ensoniq->ctrl & ES_1373_SPDIF_THRU ? 1 : 0;
1431 	spin_unlock_irq(&ensoniq->reg_lock);
1432 	return 0;
1433 }
1434 
1435 static int snd_es1371_spdif_put(struct snd_kcontrol *kcontrol,
1436 				struct snd_ctl_elem_value *ucontrol)
1437 {
1438 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1439 	unsigned int nval1, nval2;
1440 	int change;
1441 
1442 	nval1 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_THRU : 0;
1443 	nval2 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_EN : 0;
1444 	spin_lock_irq(&ensoniq->reg_lock);
1445 	change = (ensoniq->ctrl & ES_1373_SPDIF_THRU) != nval1;
1446 	ensoniq->ctrl &= ~ES_1373_SPDIF_THRU;
1447 	ensoniq->ctrl |= nval1;
1448 	ensoniq->cssr &= ~ES_1373_SPDIF_EN;
1449 	ensoniq->cssr |= nval2;
1450 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1451 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1452 	spin_unlock_irq(&ensoniq->reg_lock);
1453 	return change;
1454 }
1455 
1456 
1457 /* spdif controls */
1458 static struct snd_kcontrol_new snd_es1371_mixer_spdif[] __devinitdata = {
1459 	ES1371_SPDIF(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH)),
1460 	{
1461 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1462 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1463 		.info =		snd_ens1373_spdif_info,
1464 		.get =		snd_ens1373_spdif_default_get,
1465 		.put =		snd_ens1373_spdif_default_put,
1466 	},
1467 	{
1468 		.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1469 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1470 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1471 		.info =		snd_ens1373_spdif_info,
1472 		.get =		snd_ens1373_spdif_mask_get
1473 	},
1474 	{
1475 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1476 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1477 		.info =		snd_ens1373_spdif_info,
1478 		.get =		snd_ens1373_spdif_stream_get,
1479 		.put =		snd_ens1373_spdif_stream_put
1480 	},
1481 };
1482 
1483 
1484 #define snd_es1373_rear_info		snd_ctl_boolean_mono_info
1485 
1486 static int snd_es1373_rear_get(struct snd_kcontrol *kcontrol,
1487 			       struct snd_ctl_elem_value *ucontrol)
1488 {
1489 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1490 	int val = 0;
1491 
1492 	spin_lock_irq(&ensoniq->reg_lock);
1493 	if ((ensoniq->cssr & (ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|
1494 			      ES_1373_REAR_BIT24)) == ES_1373_REAR_BIT26)
1495 	    	val = 1;
1496 	ucontrol->value.integer.value[0] = val;
1497 	spin_unlock_irq(&ensoniq->reg_lock);
1498 	return 0;
1499 }
1500 
1501 static int snd_es1373_rear_put(struct snd_kcontrol *kcontrol,
1502 			       struct snd_ctl_elem_value *ucontrol)
1503 {
1504 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1505 	unsigned int nval1;
1506 	int change;
1507 
1508 	nval1 = ucontrol->value.integer.value[0] ?
1509 		ES_1373_REAR_BIT26 : (ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1510 	spin_lock_irq(&ensoniq->reg_lock);
1511 	change = (ensoniq->cssr & (ES_1373_REAR_BIT27|
1512 				   ES_1373_REAR_BIT26|ES_1373_REAR_BIT24)) != nval1;
1513 	ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|ES_1373_REAR_BIT24);
1514 	ensoniq->cssr |= nval1;
1515 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1516 	spin_unlock_irq(&ensoniq->reg_lock);
1517 	return change;
1518 }
1519 
1520 static struct snd_kcontrol_new snd_ens1373_rear __devinitdata =
1521 {
1522 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1523 	.name =		"AC97 2ch->4ch Copy Switch",
1524 	.info =		snd_es1373_rear_info,
1525 	.get =		snd_es1373_rear_get,
1526 	.put =		snd_es1373_rear_put,
1527 };
1528 
1529 #define snd_es1373_line_info		snd_ctl_boolean_mono_info
1530 
1531 static int snd_es1373_line_get(struct snd_kcontrol *kcontrol,
1532 			       struct snd_ctl_elem_value *ucontrol)
1533 {
1534 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1535 	int val = 0;
1536 
1537 	spin_lock_irq(&ensoniq->reg_lock);
1538 	if ((ensoniq->ctrl & ES_1371_GPIO_OUTM) >= 4)
1539 	    	val = 1;
1540 	ucontrol->value.integer.value[0] = val;
1541 	spin_unlock_irq(&ensoniq->reg_lock);
1542 	return 0;
1543 }
1544 
1545 static int snd_es1373_line_put(struct snd_kcontrol *kcontrol,
1546 			       struct snd_ctl_elem_value *ucontrol)
1547 {
1548 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1549 	int changed;
1550 	unsigned int ctrl;
1551 
1552 	spin_lock_irq(&ensoniq->reg_lock);
1553 	ctrl = ensoniq->ctrl;
1554 	if (ucontrol->value.integer.value[0])
1555 		ensoniq->ctrl |= ES_1371_GPIO_OUT(4);	/* switch line-in -> rear out */
1556 	else
1557 		ensoniq->ctrl &= ~ES_1371_GPIO_OUT(4);
1558 	changed = (ctrl != ensoniq->ctrl);
1559 	if (changed)
1560 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1561 	spin_unlock_irq(&ensoniq->reg_lock);
1562 	return changed;
1563 }
1564 
1565 static struct snd_kcontrol_new snd_ens1373_line __devinitdata =
1566 {
1567 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1568 	.name =		"Line In->Rear Out Switch",
1569 	.info =		snd_es1373_line_info,
1570 	.get =		snd_es1373_line_get,
1571 	.put =		snd_es1373_line_put,
1572 };
1573 
1574 static void snd_ensoniq_mixer_free_ac97(struct snd_ac97 *ac97)
1575 {
1576 	struct ensoniq *ensoniq = ac97->private_data;
1577 	ensoniq->u.es1371.ac97 = NULL;
1578 }
1579 
1580 struct es1371_quirk {
1581 	unsigned short vid;		/* vendor ID */
1582 	unsigned short did;		/* device ID */
1583 	unsigned char rev;		/* revision */
1584 };
1585 
1586 static int es1371_quirk_lookup(struct ensoniq *ensoniq,
1587 				struct es1371_quirk *list)
1588 {
1589 	while (list->vid != (unsigned short)PCI_ANY_ID) {
1590 		if (ensoniq->pci->vendor == list->vid &&
1591 		    ensoniq->pci->device == list->did &&
1592 		    ensoniq->rev == list->rev)
1593 			return 1;
1594 		list++;
1595 	}
1596 	return 0;
1597 }
1598 
1599 static struct es1371_quirk es1371_spdif_present[] __devinitdata = {
1600 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1601 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1602 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1603 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1604 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1605 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1606 };
1607 
1608 static struct snd_pci_quirk ens1373_line_quirk[] __devinitdata = {
1609 	SND_PCI_QUIRK_ID(0x1274, 0x2000), /* GA-7DXR */
1610 	SND_PCI_QUIRK_ID(0x1458, 0xa000), /* GA-8IEXP */
1611 	{ } /* end */
1612 };
1613 
1614 static int __devinit snd_ensoniq_1371_mixer(struct ensoniq *ensoniq,
1615 					    int has_spdif, int has_line)
1616 {
1617 	struct snd_card *card = ensoniq->card;
1618 	struct snd_ac97_bus *pbus;
1619 	struct snd_ac97_template ac97;
1620 	int err;
1621 	static struct snd_ac97_bus_ops ops = {
1622 		.write = snd_es1371_codec_write,
1623 		.read = snd_es1371_codec_read,
1624 		.wait = snd_es1371_codec_wait,
1625 	};
1626 
1627 	if ((err = snd_ac97_bus(card, 0, &ops, NULL, &pbus)) < 0)
1628 		return err;
1629 
1630 	memset(&ac97, 0, sizeof(ac97));
1631 	ac97.private_data = ensoniq;
1632 	ac97.private_free = snd_ensoniq_mixer_free_ac97;
1633 	ac97.pci = ensoniq->pci;
1634 	ac97.scaps = AC97_SCAP_AUDIO;
1635 	if ((err = snd_ac97_mixer(pbus, &ac97, &ensoniq->u.es1371.ac97)) < 0)
1636 		return err;
1637 	if (has_spdif > 0 ||
1638 	    (!has_spdif && es1371_quirk_lookup(ensoniq, es1371_spdif_present))) {
1639 		struct snd_kcontrol *kctl;
1640 		int i, is_spdif = 0;
1641 
1642 		ensoniq->spdif_default = ensoniq->spdif_stream =
1643 			SNDRV_PCM_DEFAULT_CON_SPDIF;
1644 		outl(ensoniq->spdif_default, ES_REG(ensoniq, CHANNEL_STATUS));
1645 
1646 		if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SPDIF)
1647 			is_spdif++;
1648 
1649 		for (i = 0; i < ARRAY_SIZE(snd_es1371_mixer_spdif); i++) {
1650 			kctl = snd_ctl_new1(&snd_es1371_mixer_spdif[i], ensoniq);
1651 			if (!kctl)
1652 				return -ENOMEM;
1653 			kctl->id.index = is_spdif;
1654 			err = snd_ctl_add(card, kctl);
1655 			if (err < 0)
1656 				return err;
1657 		}
1658 	}
1659 	if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SDAC) {
1660 		/* mirror rear to front speakers */
1661 		ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1662 		ensoniq->cssr |= ES_1373_REAR_BIT26;
1663 		err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_rear, ensoniq));
1664 		if (err < 0)
1665 			return err;
1666 	}
1667 	if (has_line > 0 ||
1668 	    snd_pci_quirk_lookup(ensoniq->pci, ens1373_line_quirk)) {
1669 		 err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_line,
1670 						      ensoniq));
1671 		 if (err < 0)
1672 			 return err;
1673 	}
1674 
1675 	return 0;
1676 }
1677 
1678 #endif /* CHIP1371 */
1679 
1680 /* generic control callbacks for ens1370 */
1681 #ifdef CHIP1370
1682 #define ENSONIQ_CONTROL(xname, mask) \
1683 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = xname, .info = snd_ensoniq_control_info, \
1684   .get = snd_ensoniq_control_get, .put = snd_ensoniq_control_put, \
1685   .private_value = mask }
1686 
1687 #define snd_ensoniq_control_info	snd_ctl_boolean_mono_info
1688 
1689 static int snd_ensoniq_control_get(struct snd_kcontrol *kcontrol,
1690 				   struct snd_ctl_elem_value *ucontrol)
1691 {
1692 	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1693 	int mask = kcontrol->private_value;
1694 
1695 	spin_lock_irq(&ensoniq->reg_lock);
1696 	ucontrol->value.integer.value[0] = ensoniq->ctrl & mask ? 1 : 0;
1697 	spin_unlock_irq(&ensoniq->reg_lock);
1698 	return 0;
1699 }
1700 
1701 static int snd_ensoniq_control_put(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 	unsigned int nval;
1707 	int change;
1708 
1709 	nval = ucontrol->value.integer.value[0] ? mask : 0;
1710 	spin_lock_irq(&ensoniq->reg_lock);
1711 	change = (ensoniq->ctrl & mask) != nval;
1712 	ensoniq->ctrl &= ~mask;
1713 	ensoniq->ctrl |= nval;
1714 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1715 	spin_unlock_irq(&ensoniq->reg_lock);
1716 	return change;
1717 }
1718 
1719 /*
1720  * ENS1370 mixer
1721  */
1722 
1723 static struct snd_kcontrol_new snd_es1370_controls[2] __devinitdata = {
1724 ENSONIQ_CONTROL("PCM 0 Output also on Line-In Jack", ES_1370_XCTL0),
1725 ENSONIQ_CONTROL("Mic +5V bias", ES_1370_XCTL1)
1726 };
1727 
1728 #define ES1370_CONTROLS ARRAY_SIZE(snd_es1370_controls)
1729 
1730 static void snd_ensoniq_mixer_free_ak4531(struct snd_ak4531 *ak4531)
1731 {
1732 	struct ensoniq *ensoniq = ak4531->private_data;
1733 	ensoniq->u.es1370.ak4531 = NULL;
1734 }
1735 
1736 static int __devinit snd_ensoniq_1370_mixer(struct ensoniq * ensoniq)
1737 {
1738 	struct snd_card *card = ensoniq->card;
1739 	struct snd_ak4531 ak4531;
1740 	unsigned int idx;
1741 	int err;
1742 
1743 	/* try reset AK4531 */
1744 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
1745 	inw(ES_REG(ensoniq, 1370_CODEC));
1746 	udelay(100);
1747 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
1748 	inw(ES_REG(ensoniq, 1370_CODEC));
1749 	udelay(100);
1750 
1751 	memset(&ak4531, 0, sizeof(ak4531));
1752 	ak4531.write = snd_es1370_codec_write;
1753 	ak4531.private_data = ensoniq;
1754 	ak4531.private_free = snd_ensoniq_mixer_free_ak4531;
1755 	if ((err = snd_ak4531_mixer(card, &ak4531, &ensoniq->u.es1370.ak4531)) < 0)
1756 		return err;
1757 	for (idx = 0; idx < ES1370_CONTROLS; idx++) {
1758 		err = snd_ctl_add(card, snd_ctl_new1(&snd_es1370_controls[idx], ensoniq));
1759 		if (err < 0)
1760 			return err;
1761 	}
1762 	return 0;
1763 }
1764 
1765 #endif /* CHIP1370 */
1766 
1767 #ifdef SUPPORT_JOYSTICK
1768 
1769 #ifdef CHIP1371
1770 static int __devinit snd_ensoniq_get_joystick_port(int dev)
1771 {
1772 	switch (joystick_port[dev]) {
1773 	case 0: /* disabled */
1774 	case 1: /* auto-detect */
1775 	case 0x200:
1776 	case 0x208:
1777 	case 0x210:
1778 	case 0x218:
1779 		return joystick_port[dev];
1780 
1781 	default:
1782 		printk(KERN_ERR "ens1371: invalid joystick port %#x", joystick_port[dev]);
1783 		return 0;
1784 	}
1785 }
1786 #else
1787 static inline int snd_ensoniq_get_joystick_port(int dev)
1788 {
1789 	return joystick[dev] ? 0x200 : 0;
1790 }
1791 #endif
1792 
1793 static int __devinit snd_ensoniq_create_gameport(struct ensoniq *ensoniq, int dev)
1794 {
1795 	struct gameport *gp;
1796 	int io_port;
1797 
1798 	io_port = snd_ensoniq_get_joystick_port(dev);
1799 
1800 	switch (io_port) {
1801 	case 0:
1802 		return -ENOSYS;
1803 
1804 	case 1: /* auto_detect */
1805 		for (io_port = 0x200; io_port <= 0x218; io_port += 8)
1806 			if (request_region(io_port, 8, "ens137x: gameport"))
1807 				break;
1808 		if (io_port > 0x218) {
1809 			printk(KERN_WARNING "ens137x: no gameport ports available\n");
1810 			return -EBUSY;
1811 		}
1812 		break;
1813 
1814 	default:
1815 		if (!request_region(io_port, 8, "ens137x: gameport")) {
1816 			printk(KERN_WARNING "ens137x: gameport io port 0x%#x in use\n",
1817 			       io_port);
1818 			return -EBUSY;
1819 		}
1820 		break;
1821 	}
1822 
1823 	ensoniq->gameport = gp = gameport_allocate_port();
1824 	if (!gp) {
1825 		printk(KERN_ERR "ens137x: cannot allocate memory for gameport\n");
1826 		release_region(io_port, 8);
1827 		return -ENOMEM;
1828 	}
1829 
1830 	gameport_set_name(gp, "ES137x");
1831 	gameport_set_phys(gp, "pci%s/gameport0", pci_name(ensoniq->pci));
1832 	gameport_set_dev_parent(gp, &ensoniq->pci->dev);
1833 	gp->io = io_port;
1834 
1835 	ensoniq->ctrl |= ES_JYSTK_EN;
1836 #ifdef CHIP1371
1837 	ensoniq->ctrl &= ~ES_1371_JOY_ASELM;
1838 	ensoniq->ctrl |= ES_1371_JOY_ASEL((io_port - 0x200) / 8);
1839 #endif
1840 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1841 
1842 	gameport_register_port(ensoniq->gameport);
1843 
1844 	return 0;
1845 }
1846 
1847 static void snd_ensoniq_free_gameport(struct ensoniq *ensoniq)
1848 {
1849 	if (ensoniq->gameport) {
1850 		int port = ensoniq->gameport->io;
1851 
1852 		gameport_unregister_port(ensoniq->gameport);
1853 		ensoniq->gameport = NULL;
1854 		ensoniq->ctrl &= ~ES_JYSTK_EN;
1855 		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1856 		release_region(port, 8);
1857 	}
1858 }
1859 #else
1860 static inline int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, long port) { return -ENOSYS; }
1861 static inline void snd_ensoniq_free_gameport(struct ensoniq *ensoniq) { }
1862 #endif /* SUPPORT_JOYSTICK */
1863 
1864 /*
1865 
1866  */
1867 
1868 static void snd_ensoniq_proc_read(struct snd_info_entry *entry,
1869 				  struct snd_info_buffer *buffer)
1870 {
1871 	struct ensoniq *ensoniq = entry->private_data;
1872 
1873 #ifdef CHIP1370
1874 	snd_iprintf(buffer, "Ensoniq AudioPCI ES1370\n\n");
1875 #else
1876 	snd_iprintf(buffer, "Ensoniq AudioPCI ES1371\n\n");
1877 #endif
1878 	snd_iprintf(buffer, "Joystick enable  : %s\n",
1879 		    ensoniq->ctrl & ES_JYSTK_EN ? "on" : "off");
1880 #ifdef CHIP1370
1881 	snd_iprintf(buffer, "MIC +5V bias     : %s\n",
1882 		    ensoniq->ctrl & ES_1370_XCTL1 ? "on" : "off");
1883 	snd_iprintf(buffer, "Line In to AOUT  : %s\n",
1884 		    ensoniq->ctrl & ES_1370_XCTL0 ? "on" : "off");
1885 #else
1886 	snd_iprintf(buffer, "Joystick port    : 0x%x\n",
1887 		    (ES_1371_JOY_ASELI(ensoniq->ctrl) * 8) + 0x200);
1888 #endif
1889 }
1890 
1891 static void __devinit snd_ensoniq_proc_init(struct ensoniq * ensoniq)
1892 {
1893 	struct snd_info_entry *entry;
1894 
1895 	if (! snd_card_proc_new(ensoniq->card, "audiopci", &entry))
1896 		snd_info_set_text_ops(entry, ensoniq, snd_ensoniq_proc_read);
1897 }
1898 
1899 /*
1900 
1901  */
1902 
1903 static int snd_ensoniq_free(struct ensoniq *ensoniq)
1904 {
1905 	snd_ensoniq_free_gameport(ensoniq);
1906 	if (ensoniq->irq < 0)
1907 		goto __hw_end;
1908 #ifdef CHIP1370
1909 	outl(ES_1370_SERR_DISABLE, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1910 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1911 #else
1912 	outl(0, ES_REG(ensoniq, CONTROL));	/* switch everything off */
1913 	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
1914 #endif
1915 	if (ensoniq->irq >= 0)
1916 		synchronize_irq(ensoniq->irq);
1917 	pci_set_power_state(ensoniq->pci, 3);
1918       __hw_end:
1919 #ifdef CHIP1370
1920 	if (ensoniq->dma_bug.area)
1921 		snd_dma_free_pages(&ensoniq->dma_bug);
1922 #endif
1923 	if (ensoniq->irq >= 0)
1924 		free_irq(ensoniq->irq, ensoniq);
1925 	pci_release_regions(ensoniq->pci);
1926 	pci_disable_device(ensoniq->pci);
1927 	kfree(ensoniq);
1928 	return 0;
1929 }
1930 
1931 static int snd_ensoniq_dev_free(struct snd_device *device)
1932 {
1933 	struct ensoniq *ensoniq = device->device_data;
1934 	return snd_ensoniq_free(ensoniq);
1935 }
1936 
1937 #ifdef CHIP1371
1938 static struct snd_pci_quirk es1371_amplifier_hack[] __devinitdata = {
1939 	SND_PCI_QUIRK_ID(0x107b, 0x2150),	/* Gateway Solo 2150 */
1940 	SND_PCI_QUIRK_ID(0x13bd, 0x100c),	/* EV1938 on Mebius PC-MJ100V */
1941 	SND_PCI_QUIRK_ID(0x1102, 0x5938),	/* Targa Xtender300 */
1942 	SND_PCI_QUIRK_ID(0x1102, 0x8938),	/* IPC Topnote G notebook */
1943 	{ } /* end */
1944 };
1945 
1946 static struct es1371_quirk es1371_ac97_reset_hack[] = {
1947 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1948 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1949 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1950 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1951 	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1952 	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1953 };
1954 #endif
1955 
1956 static void snd_ensoniq_chip_init(struct ensoniq *ensoniq)
1957 {
1958 #ifdef CHIP1371
1959 	int idx;
1960 #endif
1961 	/* this code was part of snd_ensoniq_create before intruduction
1962 	  * of suspend/resume
1963 	  */
1964 #ifdef CHIP1370
1965 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1966 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1967 	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1968 	outl(ensoniq->dma_bug.addr, ES_REG(ensoniq, PHANTOM_FRAME));
1969 	outl(0, ES_REG(ensoniq, PHANTOM_COUNT));
1970 #else
1971 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1972 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1973 	outl(0, ES_REG(ensoniq, 1371_LEGACY));
1974 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack)) {
1975 	    outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1976 	    /* need to delay around 20ms(bleech) to give
1977 	       some CODECs enough time to wakeup */
1978 	    msleep(20);
1979 	}
1980 	/* AC'97 warm reset to start the bitclk */
1981 	outl(ensoniq->ctrl | ES_1371_SYNC_RES, ES_REG(ensoniq, CONTROL));
1982 	inl(ES_REG(ensoniq, CONTROL));
1983 	udelay(20);
1984 	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1985 	/* Init the sample rate converter */
1986 	snd_es1371_wait_src_ready(ensoniq);
1987 	outl(ES_1371_SRC_DISABLE, ES_REG(ensoniq, 1371_SMPRATE));
1988 	for (idx = 0; idx < 0x80; idx++)
1989 		snd_es1371_src_write(ensoniq, idx, 0);
1990 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_TRUNC_N, 16 << 4);
1991 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS, 16 << 10);
1992 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_TRUNC_N, 16 << 4);
1993 	snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS, 16 << 10);
1994 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, 1 << 12);
1995 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, 1 << 12);
1996 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1, 1 << 12);
1997 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1 + 1, 1 << 12);
1998 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2, 1 << 12);
1999 	snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2 + 1, 1 << 12);
2000 	snd_es1371_adc_rate(ensoniq, 22050);
2001 	snd_es1371_dac1_rate(ensoniq, 22050);
2002 	snd_es1371_dac2_rate(ensoniq, 22050);
2003 	/* WARNING:
2004 	 * enabling the sample rate converter without properly programming
2005 	 * its parameters causes the chip to lock up (the SRC busy bit will
2006 	 * be stuck high, and I've found no way to rectify this other than
2007 	 * power cycle) - Thomas Sailer
2008 	 */
2009 	snd_es1371_wait_src_ready(ensoniq);
2010 	outl(0, ES_REG(ensoniq, 1371_SMPRATE));
2011 	/* try reset codec directly */
2012 	outl(ES_1371_CODEC_WRITE(0, 0), ES_REG(ensoniq, 1371_CODEC));
2013 #endif
2014 	outb(ensoniq->uartc = 0x00, ES_REG(ensoniq, UART_CONTROL));
2015 	outb(0x00, ES_REG(ensoniq, UART_RES));
2016 	outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
2017 	synchronize_irq(ensoniq->irq);
2018 }
2019 
2020 #ifdef CONFIG_PM
2021 static int snd_ensoniq_suspend(struct pci_dev *pci, pm_message_t state)
2022 {
2023 	struct snd_card *card = pci_get_drvdata(pci);
2024 	struct ensoniq *ensoniq = card->private_data;
2025 
2026 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2027 
2028 	snd_pcm_suspend_all(ensoniq->pcm1);
2029 	snd_pcm_suspend_all(ensoniq->pcm2);
2030 
2031 #ifdef CHIP1371
2032 	snd_ac97_suspend(ensoniq->u.es1371.ac97);
2033 #else
2034 	/* try to reset AK4531 */
2035 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
2036 	inw(ES_REG(ensoniq, 1370_CODEC));
2037 	udelay(100);
2038 	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
2039 	inw(ES_REG(ensoniq, 1370_CODEC));
2040 	udelay(100);
2041 	snd_ak4531_suspend(ensoniq->u.es1370.ak4531);
2042 #endif
2043 
2044 	pci_disable_device(pci);
2045 	pci_save_state(pci);
2046 	pci_set_power_state(pci, pci_choose_state(pci, state));
2047 	return 0;
2048 }
2049 
2050 static int snd_ensoniq_resume(struct pci_dev *pci)
2051 {
2052 	struct snd_card *card = pci_get_drvdata(pci);
2053 	struct ensoniq *ensoniq = card->private_data;
2054 
2055 	pci_set_power_state(pci, PCI_D0);
2056 	pci_restore_state(pci);
2057 	if (pci_enable_device(pci) < 0) {
2058 		printk(KERN_ERR DRIVER_NAME ": pci_enable_device failed, "
2059 		       "disabling device\n");
2060 		snd_card_disconnect(card);
2061 		return -EIO;
2062 	}
2063 	pci_set_master(pci);
2064 
2065 	snd_ensoniq_chip_init(ensoniq);
2066 
2067 #ifdef CHIP1371
2068 	snd_ac97_resume(ensoniq->u.es1371.ac97);
2069 #else
2070 	snd_ak4531_resume(ensoniq->u.es1370.ak4531);
2071 #endif
2072 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2073 	return 0;
2074 }
2075 #endif /* CONFIG_PM */
2076 
2077 
2078 static int __devinit snd_ensoniq_create(struct snd_card *card,
2079 				     struct pci_dev *pci,
2080 				     struct ensoniq ** rensoniq)
2081 {
2082 	struct ensoniq *ensoniq;
2083 	int err;
2084 	static struct snd_device_ops ops = {
2085 		.dev_free =	snd_ensoniq_dev_free,
2086 	};
2087 
2088 	*rensoniq = NULL;
2089 	if ((err = pci_enable_device(pci)) < 0)
2090 		return err;
2091 	ensoniq = kzalloc(sizeof(*ensoniq), GFP_KERNEL);
2092 	if (ensoniq == NULL) {
2093 		pci_disable_device(pci);
2094 		return -ENOMEM;
2095 	}
2096 	spin_lock_init(&ensoniq->reg_lock);
2097 	mutex_init(&ensoniq->src_mutex);
2098 	ensoniq->card = card;
2099 	ensoniq->pci = pci;
2100 	ensoniq->irq = -1;
2101 	if ((err = pci_request_regions(pci, "Ensoniq AudioPCI")) < 0) {
2102 		kfree(ensoniq);
2103 		pci_disable_device(pci);
2104 		return err;
2105 	}
2106 	ensoniq->port = pci_resource_start(pci, 0);
2107 	if (request_irq(pci->irq, snd_audiopci_interrupt, IRQF_SHARED,
2108 			"Ensoniq AudioPCI", ensoniq)) {
2109 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2110 		snd_ensoniq_free(ensoniq);
2111 		return -EBUSY;
2112 	}
2113 	ensoniq->irq = pci->irq;
2114 #ifdef CHIP1370
2115 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2116 				16, &ensoniq->dma_bug) < 0) {
2117 		snd_printk(KERN_ERR "unable to allocate space for phantom area - dma_bug\n");
2118 		snd_ensoniq_free(ensoniq);
2119 		return -EBUSY;
2120 	}
2121 #endif
2122 	pci_set_master(pci);
2123 	ensoniq->rev = pci->revision;
2124 #ifdef CHIP1370
2125 #if 0
2126 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_SERR_DISABLE |
2127 		ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2128 #else	/* get microphone working */
2129 	ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2130 #endif
2131 	ensoniq->sctrl = 0;
2132 #else
2133 	ensoniq->ctrl = 0;
2134 	ensoniq->sctrl = 0;
2135 	ensoniq->cssr = 0;
2136 	if (snd_pci_quirk_lookup(pci, es1371_amplifier_hack))
2137 		ensoniq->ctrl |= ES_1371_GPIO_OUT(1);	/* turn amplifier on */
2138 
2139 	if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack))
2140 		ensoniq->cssr |= ES_1371_ST_AC97_RST;
2141 #endif
2142 
2143 	snd_ensoniq_chip_init(ensoniq);
2144 
2145 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ensoniq, &ops)) < 0) {
2146 		snd_ensoniq_free(ensoniq);
2147 		return err;
2148 	}
2149 
2150 	snd_ensoniq_proc_init(ensoniq);
2151 
2152 	snd_card_set_dev(card, &pci->dev);
2153 
2154 	*rensoniq = ensoniq;
2155 	return 0;
2156 }
2157 
2158 /*
2159  *  MIDI section
2160  */
2161 
2162 static void snd_ensoniq_midi_interrupt(struct ensoniq * ensoniq)
2163 {
2164 	struct snd_rawmidi *rmidi = ensoniq->rmidi;
2165 	unsigned char status, mask, byte;
2166 
2167 	if (rmidi == NULL)
2168 		return;
2169 	/* do Rx at first */
2170 	spin_lock(&ensoniq->reg_lock);
2171 	mask = ensoniq->uartm & ES_MODE_INPUT ? ES_RXRDY : 0;
2172 	while (mask) {
2173 		status = inb(ES_REG(ensoniq, UART_STATUS));
2174 		if ((status & mask) == 0)
2175 			break;
2176 		byte = inb(ES_REG(ensoniq, UART_DATA));
2177 		snd_rawmidi_receive(ensoniq->midi_input, &byte, 1);
2178 	}
2179 	spin_unlock(&ensoniq->reg_lock);
2180 
2181 	/* do Tx at second */
2182 	spin_lock(&ensoniq->reg_lock);
2183 	mask = ensoniq->uartm & ES_MODE_OUTPUT ? ES_TXRDY : 0;
2184 	while (mask) {
2185 		status = inb(ES_REG(ensoniq, UART_STATUS));
2186 		if ((status & mask) == 0)
2187 			break;
2188 		if (snd_rawmidi_transmit(ensoniq->midi_output, &byte, 1) != 1) {
2189 			ensoniq->uartc &= ~ES_TXINTENM;
2190 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2191 			mask &= ~ES_TXRDY;
2192 		} else {
2193 			outb(byte, ES_REG(ensoniq, UART_DATA));
2194 		}
2195 	}
2196 	spin_unlock(&ensoniq->reg_lock);
2197 }
2198 
2199 static int snd_ensoniq_midi_input_open(struct snd_rawmidi_substream *substream)
2200 {
2201 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2202 
2203 	spin_lock_irq(&ensoniq->reg_lock);
2204 	ensoniq->uartm |= ES_MODE_INPUT;
2205 	ensoniq->midi_input = substream;
2206 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2207 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2208 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2209 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2210 	}
2211 	spin_unlock_irq(&ensoniq->reg_lock);
2212 	return 0;
2213 }
2214 
2215 static int snd_ensoniq_midi_input_close(struct snd_rawmidi_substream *substream)
2216 {
2217 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2218 
2219 	spin_lock_irq(&ensoniq->reg_lock);
2220 	if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2221 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2222 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2223 	} else {
2224 		outb(ensoniq->uartc &= ~ES_RXINTEN, ES_REG(ensoniq, UART_CONTROL));
2225 	}
2226 	ensoniq->midi_input = NULL;
2227 	ensoniq->uartm &= ~ES_MODE_INPUT;
2228 	spin_unlock_irq(&ensoniq->reg_lock);
2229 	return 0;
2230 }
2231 
2232 static int snd_ensoniq_midi_output_open(struct snd_rawmidi_substream *substream)
2233 {
2234 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2235 
2236 	spin_lock_irq(&ensoniq->reg_lock);
2237 	ensoniq->uartm |= ES_MODE_OUTPUT;
2238 	ensoniq->midi_output = substream;
2239 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2240 		outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2241 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2242 		outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2243 	}
2244 	spin_unlock_irq(&ensoniq->reg_lock);
2245 	return 0;
2246 }
2247 
2248 static int snd_ensoniq_midi_output_close(struct snd_rawmidi_substream *substream)
2249 {
2250 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2251 
2252 	spin_lock_irq(&ensoniq->reg_lock);
2253 	if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2254 		outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2255 		outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2256 	} else {
2257 		outb(ensoniq->uartc &= ~ES_TXINTENM, ES_REG(ensoniq, UART_CONTROL));
2258 	}
2259 	ensoniq->midi_output = NULL;
2260 	ensoniq->uartm &= ~ES_MODE_OUTPUT;
2261 	spin_unlock_irq(&ensoniq->reg_lock);
2262 	return 0;
2263 }
2264 
2265 static void snd_ensoniq_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
2266 {
2267 	unsigned long flags;
2268 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2269 	int idx;
2270 
2271 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2272 	if (up) {
2273 		if ((ensoniq->uartc & ES_RXINTEN) == 0) {
2274 			/* empty input FIFO */
2275 			for (idx = 0; idx < 32; idx++)
2276 				inb(ES_REG(ensoniq, UART_DATA));
2277 			ensoniq->uartc |= ES_RXINTEN;
2278 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2279 		}
2280 	} else {
2281 		if (ensoniq->uartc & ES_RXINTEN) {
2282 			ensoniq->uartc &= ~ES_RXINTEN;
2283 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2284 		}
2285 	}
2286 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2287 }
2288 
2289 static void snd_ensoniq_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
2290 {
2291 	unsigned long flags;
2292 	struct ensoniq *ensoniq = substream->rmidi->private_data;
2293 	unsigned char byte;
2294 
2295 	spin_lock_irqsave(&ensoniq->reg_lock, flags);
2296 	if (up) {
2297 		if (ES_TXINTENI(ensoniq->uartc) == 0) {
2298 			ensoniq->uartc |= ES_TXINTENO(1);
2299 			/* fill UART FIFO buffer at first, and turn Tx interrupts only if necessary */
2300 			while (ES_TXINTENI(ensoniq->uartc) == 1 &&
2301 			       (inb(ES_REG(ensoniq, UART_STATUS)) & ES_TXRDY)) {
2302 				if (snd_rawmidi_transmit(substream, &byte, 1) != 1) {
2303 					ensoniq->uartc &= ~ES_TXINTENM;
2304 				} else {
2305 					outb(byte, ES_REG(ensoniq, UART_DATA));
2306 				}
2307 			}
2308 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2309 		}
2310 	} else {
2311 		if (ES_TXINTENI(ensoniq->uartc) == 1) {
2312 			ensoniq->uartc &= ~ES_TXINTENM;
2313 			outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2314 		}
2315 	}
2316 	spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2317 }
2318 
2319 static struct snd_rawmidi_ops snd_ensoniq_midi_output =
2320 {
2321 	.open =		snd_ensoniq_midi_output_open,
2322 	.close =	snd_ensoniq_midi_output_close,
2323 	.trigger =	snd_ensoniq_midi_output_trigger,
2324 };
2325 
2326 static struct snd_rawmidi_ops snd_ensoniq_midi_input =
2327 {
2328 	.open =		snd_ensoniq_midi_input_open,
2329 	.close =	snd_ensoniq_midi_input_close,
2330 	.trigger =	snd_ensoniq_midi_input_trigger,
2331 };
2332 
2333 static int __devinit snd_ensoniq_midi(struct ensoniq * ensoniq, int device,
2334 				      struct snd_rawmidi **rrawmidi)
2335 {
2336 	struct snd_rawmidi *rmidi;
2337 	int err;
2338 
2339 	if (rrawmidi)
2340 		*rrawmidi = NULL;
2341 	if ((err = snd_rawmidi_new(ensoniq->card, "ES1370/1", device, 1, 1, &rmidi)) < 0)
2342 		return err;
2343 #ifdef CHIP1370
2344 	strcpy(rmidi->name, "ES1370");
2345 #else
2346 	strcpy(rmidi->name, "ES1371");
2347 #endif
2348 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_ensoniq_midi_output);
2349 	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_ensoniq_midi_input);
2350 	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT |
2351 		SNDRV_RAWMIDI_INFO_DUPLEX;
2352 	rmidi->private_data = ensoniq;
2353 	ensoniq->rmidi = rmidi;
2354 	if (rrawmidi)
2355 		*rrawmidi = rmidi;
2356 	return 0;
2357 }
2358 
2359 /*
2360  *  Interrupt handler
2361  */
2362 
2363 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id)
2364 {
2365 	struct ensoniq *ensoniq = dev_id;
2366 	unsigned int status, sctrl;
2367 
2368 	if (ensoniq == NULL)
2369 		return IRQ_NONE;
2370 
2371 	status = inl(ES_REG(ensoniq, STATUS));
2372 	if (!(status & ES_INTR))
2373 		return IRQ_NONE;
2374 
2375 	spin_lock(&ensoniq->reg_lock);
2376 	sctrl = ensoniq->sctrl;
2377 	if (status & ES_DAC1)
2378 		sctrl &= ~ES_P1_INT_EN;
2379 	if (status & ES_DAC2)
2380 		sctrl &= ~ES_P2_INT_EN;
2381 	if (status & ES_ADC)
2382 		sctrl &= ~ES_R1_INT_EN;
2383 	outl(sctrl, ES_REG(ensoniq, SERIAL));
2384 	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
2385 	spin_unlock(&ensoniq->reg_lock);
2386 
2387 	if (status & ES_UART)
2388 		snd_ensoniq_midi_interrupt(ensoniq);
2389 	if ((status & ES_DAC2) && ensoniq->playback2_substream)
2390 		snd_pcm_period_elapsed(ensoniq->playback2_substream);
2391 	if ((status & ES_ADC) && ensoniq->capture_substream)
2392 		snd_pcm_period_elapsed(ensoniq->capture_substream);
2393 	if ((status & ES_DAC1) && ensoniq->playback1_substream)
2394 		snd_pcm_period_elapsed(ensoniq->playback1_substream);
2395 	return IRQ_HANDLED;
2396 }
2397 
2398 static int __devinit snd_audiopci_probe(struct pci_dev *pci,
2399 					const struct pci_device_id *pci_id)
2400 {
2401 	static int dev;
2402 	struct snd_card *card;
2403 	struct ensoniq *ensoniq;
2404 	int err, pcm_devs[2];
2405 
2406 	if (dev >= SNDRV_CARDS)
2407 		return -ENODEV;
2408 	if (!enable[dev]) {
2409 		dev++;
2410 		return -ENOENT;
2411 	}
2412 
2413 	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2414 	if (err < 0)
2415 		return err;
2416 
2417 	if ((err = snd_ensoniq_create(card, pci, &ensoniq)) < 0) {
2418 		snd_card_free(card);
2419 		return err;
2420 	}
2421 	card->private_data = ensoniq;
2422 
2423 	pcm_devs[0] = 0; pcm_devs[1] = 1;
2424 #ifdef CHIP1370
2425 	if ((err = snd_ensoniq_1370_mixer(ensoniq)) < 0) {
2426 		snd_card_free(card);
2427 		return err;
2428 	}
2429 #endif
2430 #ifdef CHIP1371
2431 	if ((err = snd_ensoniq_1371_mixer(ensoniq, spdif[dev], lineio[dev])) < 0) {
2432 		snd_card_free(card);
2433 		return err;
2434 	}
2435 #endif
2436 	if ((err = snd_ensoniq_pcm(ensoniq, 0, NULL)) < 0) {
2437 		snd_card_free(card);
2438 		return err;
2439 	}
2440 	if ((err = snd_ensoniq_pcm2(ensoniq, 1, NULL)) < 0) {
2441 		snd_card_free(card);
2442 		return err;
2443 	}
2444 	if ((err = snd_ensoniq_midi(ensoniq, 0, NULL)) < 0) {
2445 		snd_card_free(card);
2446 		return err;
2447 	}
2448 
2449 	snd_ensoniq_create_gameport(ensoniq, dev);
2450 
2451 	strcpy(card->driver, DRIVER_NAME);
2452 
2453 	strcpy(card->shortname, "Ensoniq AudioPCI");
2454 	sprintf(card->longname, "%s %s at 0x%lx, irq %i",
2455 		card->shortname,
2456 		card->driver,
2457 		ensoniq->port,
2458 		ensoniq->irq);
2459 
2460 	if ((err = snd_card_register(card)) < 0) {
2461 		snd_card_free(card);
2462 		return err;
2463 	}
2464 
2465 	pci_set_drvdata(pci, card);
2466 	dev++;
2467 	return 0;
2468 }
2469 
2470 static void __devexit snd_audiopci_remove(struct pci_dev *pci)
2471 {
2472 	snd_card_free(pci_get_drvdata(pci));
2473 	pci_set_drvdata(pci, NULL);
2474 }
2475 
2476 static struct pci_driver driver = {
2477 	.name = DRIVER_NAME,
2478 	.id_table = snd_audiopci_ids,
2479 	.probe = snd_audiopci_probe,
2480 	.remove = __devexit_p(snd_audiopci_remove),
2481 #ifdef CONFIG_PM
2482 	.suspend = snd_ensoniq_suspend,
2483 	.resume = snd_ensoniq_resume,
2484 #endif
2485 };
2486 
2487 static int __init alsa_card_ens137x_init(void)
2488 {
2489 	return pci_register_driver(&driver);
2490 }
2491 
2492 static void __exit alsa_card_ens137x_exit(void)
2493 {
2494 	pci_unregister_driver(&driver);
2495 }
2496 
2497 module_init(alsa_card_ens137x_init)
2498 module_exit(alsa_card_ens137x_exit)
2499