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TOMOYO Linux Cross Reference
Linux/sound/pci/pcxhr/pcxhr.c

Version: ~ [ linux-5.19-rc8 ] ~ [ linux-5.18.14 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.57 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.133 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.207 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.253 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.289 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.324 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.302 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 // SPDX-License-Identifier: GPL-2.0-or-later
  2 /*
  3  * Driver for Digigram pcxhr compatible soundcards
  4  *
  5  * main file with alsa callbacks
  6  *
  7  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
  8  */
  9 
 10 
 11 #include <linux/init.h>
 12 #include <linux/interrupt.h>
 13 #include <linux/slab.h>
 14 #include <linux/pci.h>
 15 #include <linux/dma-mapping.h>
 16 #include <linux/delay.h>
 17 #include <linux/module.h>
 18 #include <linux/mutex.h>
 19 
 20 #include <sound/core.h>
 21 #include <sound/initval.h>
 22 #include <sound/info.h>
 23 #include <sound/control.h>
 24 #include <sound/pcm.h>
 25 #include <sound/pcm_params.h>
 26 #include "pcxhr.h"
 27 #include "pcxhr_mixer.h"
 28 #include "pcxhr_hwdep.h"
 29 #include "pcxhr_core.h"
 30 #include "pcxhr_mix22.h"
 31 
 32 #define DRIVER_NAME "pcxhr"
 33 
 34 MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>, "
 35               "Marc Titinger <titinger@digigram.com>");
 36 MODULE_DESCRIPTION("Digigram " DRIVER_NAME " " PCXHR_DRIVER_VERSION_STRING);
 37 MODULE_LICENSE("GPL");
 38 MODULE_SUPPORTED_DEVICE("{{Digigram," DRIVER_NAME "}}");
 39 
 40 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
 41 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
 42 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
 43 static bool mono[SNDRV_CARDS];                          /* capture  mono only */
 44 
 45 module_param_array(index, int, NULL, 0444);
 46 MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard");
 47 module_param_array(id, charp, NULL, 0444);
 48 MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard");
 49 module_param_array(enable, bool, NULL, 0444);
 50 MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard");
 51 module_param_array(mono, bool, NULL, 0444);
 52 MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)");
 53 
 54 enum {
 55         PCI_ID_VX882HR,
 56         PCI_ID_PCX882HR,
 57         PCI_ID_VX881HR,
 58         PCI_ID_PCX881HR,
 59         PCI_ID_VX882E,
 60         PCI_ID_PCX882E,
 61         PCI_ID_VX881E,
 62         PCI_ID_PCX881E,
 63         PCI_ID_VX1222HR,
 64         PCI_ID_PCX1222HR,
 65         PCI_ID_VX1221HR,
 66         PCI_ID_PCX1221HR,
 67         PCI_ID_VX1222E,
 68         PCI_ID_PCX1222E,
 69         PCI_ID_VX1221E,
 70         PCI_ID_PCX1221E,
 71         PCI_ID_VX222HR,
 72         PCI_ID_VX222E,
 73         PCI_ID_PCX22HR,
 74         PCI_ID_PCX22E,
 75         PCI_ID_VX222HRMIC,
 76         PCI_ID_VX222E_MIC,
 77         PCI_ID_PCX924HR,
 78         PCI_ID_PCX924E,
 79         PCI_ID_PCX924HRMIC,
 80         PCI_ID_PCX924E_MIC,
 81         PCI_ID_VX442HR,
 82         PCI_ID_PCX442HR,
 83         PCI_ID_VX442E,
 84         PCI_ID_PCX442E,
 85         PCI_ID_VX822HR,
 86         PCI_ID_PCX822HR,
 87         PCI_ID_VX822E,
 88         PCI_ID_PCX822E,
 89         PCI_ID_LAST
 90 };
 91 
 92 static const struct pci_device_id pcxhr_ids[] = {
 93         { 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, },
 94         { 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, },
 95         { 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, },
 96         { 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, },
 97         { 0x10b5, 0x9056, 0x1369, 0xb021, 0, 0, PCI_ID_VX882E, },
 98         { 0x10b5, 0x9056, 0x1369, 0xb121, 0, 0, PCI_ID_PCX882E, },
 99         { 0x10b5, 0x9056, 0x1369, 0xb221, 0, 0, PCI_ID_VX881E, },
100         { 0x10b5, 0x9056, 0x1369, 0xb321, 0, 0, PCI_ID_PCX881E, },
101         { 0x10b5, 0x9656, 0x1369, 0xb401, 0, 0, PCI_ID_VX1222HR, },
102         { 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, },
103         { 0x10b5, 0x9656, 0x1369, 0xb601, 0, 0, PCI_ID_VX1221HR, },
104         { 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, },
105         { 0x10b5, 0x9056, 0x1369, 0xb421, 0, 0, PCI_ID_VX1222E, },
106         { 0x10b5, 0x9056, 0x1369, 0xb521, 0, 0, PCI_ID_PCX1222E, },
107         { 0x10b5, 0x9056, 0x1369, 0xb621, 0, 0, PCI_ID_VX1221E, },
108         { 0x10b5, 0x9056, 0x1369, 0xb721, 0, 0, PCI_ID_PCX1221E, },
109         { 0x10b5, 0x9056, 0x1369, 0xba01, 0, 0, PCI_ID_VX222HR, },
110         { 0x10b5, 0x9056, 0x1369, 0xba21, 0, 0, PCI_ID_VX222E, },
111         { 0x10b5, 0x9056, 0x1369, 0xbd01, 0, 0, PCI_ID_PCX22HR, },
112         { 0x10b5, 0x9056, 0x1369, 0xbd21, 0, 0, PCI_ID_PCX22E, },
113         { 0x10b5, 0x9056, 0x1369, 0xbc01, 0, 0, PCI_ID_VX222HRMIC, },
114         { 0x10b5, 0x9056, 0x1369, 0xbc21, 0, 0, PCI_ID_VX222E_MIC, },
115         { 0x10b5, 0x9056, 0x1369, 0xbb01, 0, 0, PCI_ID_PCX924HR, },
116         { 0x10b5, 0x9056, 0x1369, 0xbb21, 0, 0, PCI_ID_PCX924E, },
117         { 0x10b5, 0x9056, 0x1369, 0xbf01, 0, 0, PCI_ID_PCX924HRMIC, },
118         { 0x10b5, 0x9056, 0x1369, 0xbf21, 0, 0, PCI_ID_PCX924E_MIC, },
119         { 0x10b5, 0x9656, 0x1369, 0xd001, 0, 0, PCI_ID_VX442HR, },
120         { 0x10b5, 0x9656, 0x1369, 0xd101, 0, 0, PCI_ID_PCX442HR, },
121         { 0x10b5, 0x9056, 0x1369, 0xd021, 0, 0, PCI_ID_VX442E, },
122         { 0x10b5, 0x9056, 0x1369, 0xd121, 0, 0, PCI_ID_PCX442E, },
123         { 0x10b5, 0x9656, 0x1369, 0xd201, 0, 0, PCI_ID_VX822HR, },
124         { 0x10b5, 0x9656, 0x1369, 0xd301, 0, 0, PCI_ID_PCX822HR, },
125         { 0x10b5, 0x9056, 0x1369, 0xd221, 0, 0, PCI_ID_VX822E, },
126         { 0x10b5, 0x9056, 0x1369, 0xd321, 0, 0, PCI_ID_PCX822E, },
127         { 0, }
128 };
129 
130 MODULE_DEVICE_TABLE(pci, pcxhr_ids);
131 
132 struct board_parameters {
133         char* board_name;
134         short playback_chips;
135         short capture_chips;
136         short fw_file_set;
137         short firmware_num;
138 };
139 static struct board_parameters pcxhr_board_params[] = {
140 [PCI_ID_VX882HR] =      { "VX882HR",      4, 4, 0, 41 },
141 [PCI_ID_PCX882HR] =     { "PCX882HR",     4, 4, 0, 41 },
142 [PCI_ID_VX881HR] =      { "VX881HR",      4, 4, 0, 41 },
143 [PCI_ID_PCX881HR] =     { "PCX881HR",     4, 4, 0, 41 },
144 [PCI_ID_VX882E] =       { "VX882e",       4, 4, 1, 41 },
145 [PCI_ID_PCX882E] =      { "PCX882e",      4, 4, 1, 41 },
146 [PCI_ID_VX881E] =       { "VX881e",       4, 4, 1, 41 },
147 [PCI_ID_PCX881E] =      { "PCX881e",      4, 4, 1, 41 },
148 [PCI_ID_VX1222HR] =     { "VX1222HR",     6, 1, 2, 42 },
149 [PCI_ID_PCX1222HR] =    { "PCX1222HR",    6, 1, 2, 42 },
150 [PCI_ID_VX1221HR] =     { "VX1221HR",     6, 1, 2, 42 },
151 [PCI_ID_PCX1221HR] =    { "PCX1221HR",    6, 1, 2, 42 },
152 [PCI_ID_VX1222E] =      { "VX1222e",      6, 1, 3, 42 },
153 [PCI_ID_PCX1222E] =     { "PCX1222e",     6, 1, 3, 42 },
154 [PCI_ID_VX1221E] =      { "VX1221e",      6, 1, 3, 42 },
155 [PCI_ID_PCX1221E] =     { "PCX1221e",     6, 1, 3, 42 },
156 [PCI_ID_VX222HR] =      { "VX222HR",      1, 1, 4, 44 },
157 [PCI_ID_VX222E] =       { "VX222e",       1, 1, 4, 44 },
158 [PCI_ID_PCX22HR] =      { "PCX22HR",      1, 0, 4, 44 },
159 [PCI_ID_PCX22E] =       { "PCX22e",       1, 0, 4, 44 },
160 [PCI_ID_VX222HRMIC] =   { "VX222HR-Mic",  1, 1, 5, 44 },
161 [PCI_ID_VX222E_MIC] =   { "VX222e-Mic",   1, 1, 5, 44 },
162 [PCI_ID_PCX924HR] =     { "PCX924HR",     1, 1, 5, 44 },
163 [PCI_ID_PCX924E] =      { "PCX924e",      1, 1, 5, 44 },
164 [PCI_ID_PCX924HRMIC] =  { "PCX924HR-Mic", 1, 1, 5, 44 },
165 [PCI_ID_PCX924E_MIC] =  { "PCX924e-Mic",  1, 1, 5, 44 },
166 [PCI_ID_VX442HR] =      { "VX442HR",      2, 2, 0, 41 },
167 [PCI_ID_PCX442HR] =     { "PCX442HR",     2, 2, 0, 41 },
168 [PCI_ID_VX442E] =       { "VX442e",       2, 2, 1, 41 },
169 [PCI_ID_PCX442E] =      { "PCX442e",      2, 2, 1, 41 },
170 [PCI_ID_VX822HR] =      { "VX822HR",      4, 1, 2, 42 },
171 [PCI_ID_PCX822HR] =     { "PCX822HR",     4, 1, 2, 42 },
172 [PCI_ID_VX822E] =       { "VX822e",       4, 1, 3, 42 },
173 [PCI_ID_PCX822E] =      { "PCX822e",      4, 1, 3, 42 },
174 };
175 
176 /* boards without hw AES1 and SRC onboard are all using fw_file_set==4 */
177 /* VX222HR, VX222e, PCX22HR and PCX22e */
178 #define PCXHR_BOARD_HAS_AES1(x) (x->fw_file_set != 4)
179 /* some boards do not support 192kHz on digital AES input plugs */
180 #define PCXHR_BOARD_AESIN_NO_192K(x) ((x->capture_chips == 0) || \
181                                       (x->fw_file_set == 0)   || \
182                                       (x->fw_file_set == 2))
183 
184 static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg,
185                                    unsigned int* realfreq)
186 {
187         unsigned int reg;
188 
189         if (freq < 6900 || freq > 110000)
190                 return -EINVAL;
191         reg = (28224000 * 2) / freq;
192         reg = (reg - 1) / 2;
193         if (reg < 0x200)
194                 *pllreg = reg + 0x800;
195         else if (reg < 0x400)
196                 *pllreg = reg & 0x1ff;
197         else if (reg < 0x800) {
198                 *pllreg = ((reg >> 1) & 0x1ff) + 0x200;
199                 reg &= ~1;
200         } else {
201                 *pllreg = ((reg >> 2) & 0x1ff) + 0x400;
202                 reg &= ~3;
203         }
204         if (realfreq)
205                 *realfreq = (28224000 / (reg + 1));
206         return 0;
207 }
208 
209 
210 #define PCXHR_FREQ_REG_MASK             0x1f
211 #define PCXHR_FREQ_QUARTZ_48000         0x00
212 #define PCXHR_FREQ_QUARTZ_24000         0x01
213 #define PCXHR_FREQ_QUARTZ_12000         0x09
214 #define PCXHR_FREQ_QUARTZ_32000         0x08
215 #define PCXHR_FREQ_QUARTZ_16000         0x04
216 #define PCXHR_FREQ_QUARTZ_8000          0x0c
217 #define PCXHR_FREQ_QUARTZ_44100         0x02
218 #define PCXHR_FREQ_QUARTZ_22050         0x0a
219 #define PCXHR_FREQ_QUARTZ_11025         0x06
220 #define PCXHR_FREQ_PLL                  0x05
221 #define PCXHR_FREQ_QUARTZ_192000        0x10
222 #define PCXHR_FREQ_QUARTZ_96000         0x18
223 #define PCXHR_FREQ_QUARTZ_176400        0x14
224 #define PCXHR_FREQ_QUARTZ_88200         0x1c
225 #define PCXHR_FREQ_QUARTZ_128000        0x12
226 #define PCXHR_FREQ_QUARTZ_64000         0x1a
227 
228 #define PCXHR_FREQ_WORD_CLOCK           0x0f
229 #define PCXHR_FREQ_SYNC_AES             0x0e
230 #define PCXHR_FREQ_AES_1                0x07
231 #define PCXHR_FREQ_AES_2                0x0b
232 #define PCXHR_FREQ_AES_3                0x03
233 #define PCXHR_FREQ_AES_4                0x0d
234 
235 static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate,
236                                unsigned int *reg, unsigned int *freq)
237 {
238         unsigned int val, realfreq, pllreg;
239         struct pcxhr_rmh rmh;
240         int err;
241 
242         realfreq = rate;
243         switch (mgr->use_clock_type) {
244         case PCXHR_CLOCK_TYPE_INTERNAL :        /* clock by quartz or pll */
245                 switch (rate) {
246                 case 48000 :    val = PCXHR_FREQ_QUARTZ_48000;  break;
247                 case 24000 :    val = PCXHR_FREQ_QUARTZ_24000;  break;
248                 case 12000 :    val = PCXHR_FREQ_QUARTZ_12000;  break;
249                 case 32000 :    val = PCXHR_FREQ_QUARTZ_32000;  break;
250                 case 16000 :    val = PCXHR_FREQ_QUARTZ_16000;  break;
251                 case 8000 :     val = PCXHR_FREQ_QUARTZ_8000;   break;
252                 case 44100 :    val = PCXHR_FREQ_QUARTZ_44100;  break;
253                 case 22050 :    val = PCXHR_FREQ_QUARTZ_22050;  break;
254                 case 11025 :    val = PCXHR_FREQ_QUARTZ_11025;  break;
255                 case 192000 :   val = PCXHR_FREQ_QUARTZ_192000; break;
256                 case 96000 :    val = PCXHR_FREQ_QUARTZ_96000;  break;
257                 case 176400 :   val = PCXHR_FREQ_QUARTZ_176400; break;
258                 case 88200 :    val = PCXHR_FREQ_QUARTZ_88200;  break;
259                 case 128000 :   val = PCXHR_FREQ_QUARTZ_128000; break;
260                 case 64000 :    val = PCXHR_FREQ_QUARTZ_64000;  break;
261                 default :
262                         val = PCXHR_FREQ_PLL;
263                         /* get the value for the pll register */
264                         err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq);
265                         if (err)
266                                 return err;
267                         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
268                         rmh.cmd[0] |= IO_NUM_REG_GENCLK;
269                         rmh.cmd[1]  = pllreg & MASK_DSP_WORD;
270                         rmh.cmd[2]  = pllreg >> 24;
271                         rmh.cmd_len = 3;
272                         err = pcxhr_send_msg(mgr, &rmh);
273                         if (err < 0) {
274                                 dev_err(&mgr->pci->dev,
275                                            "error CMD_ACCESS_IO_WRITE "
276                                            "for PLL register : %x!\n", err);
277                                 return err;
278                         }
279                 }
280                 break;
281         case PCXHR_CLOCK_TYPE_WORD_CLOCK:
282                 val = PCXHR_FREQ_WORD_CLOCK;
283                 break;
284         case PCXHR_CLOCK_TYPE_AES_SYNC:
285                 val = PCXHR_FREQ_SYNC_AES;
286                 break;
287         case PCXHR_CLOCK_TYPE_AES_1:
288                 val = PCXHR_FREQ_AES_1;
289                 break;
290         case PCXHR_CLOCK_TYPE_AES_2:
291                 val = PCXHR_FREQ_AES_2;
292                 break;
293         case PCXHR_CLOCK_TYPE_AES_3:
294                 val = PCXHR_FREQ_AES_3;
295                 break;
296         case PCXHR_CLOCK_TYPE_AES_4:
297                 val = PCXHR_FREQ_AES_4;
298                 break;
299         default:
300                 return -EINVAL;
301         }
302         *reg = val;
303         *freq = realfreq;
304         return 0;
305 }
306 
307 
308 static int pcxhr_sub_set_clock(struct pcxhr_mgr *mgr,
309                                unsigned int rate,
310                                int *changed)
311 {
312         unsigned int val, realfreq, speed;
313         struct pcxhr_rmh rmh;
314         int err;
315 
316         err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq);
317         if (err)
318                 return err;
319 
320         /* codec speed modes */
321         if (rate < 55000)
322                 speed = 0;      /* single speed */
323         else if (rate < 100000)
324                 speed = 1;      /* dual speed */
325         else
326                 speed = 2;      /* quad speed */
327         if (mgr->codec_speed != speed) {
328                 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* mute outputs */
329                 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
330                 if (DSP_EXT_CMD_SET(mgr)) {
331                         rmh.cmd[1]  = 1;
332                         rmh.cmd_len = 2;
333                 }
334                 err = pcxhr_send_msg(mgr, &rmh);
335                 if (err)
336                         return err;
337 
338                 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set speed ratio */
339                 rmh.cmd[0] |= IO_NUM_SPEED_RATIO;
340                 rmh.cmd[1] = speed;
341                 rmh.cmd_len = 2;
342                 err = pcxhr_send_msg(mgr, &rmh);
343                 if (err)
344                         return err;
345         }
346         /* set the new frequency */
347         dev_dbg(&mgr->pci->dev, "clock register : set %x\n", val);
348         err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK,
349                                           val, changed);
350         if (err)
351                 return err;
352 
353         mgr->sample_rate_real = realfreq;
354         mgr->cur_clock_type = mgr->use_clock_type;
355 
356         /* unmute after codec speed modes */
357         if (mgr->codec_speed != speed) {
358                 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* unmute outputs */
359                 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
360                 if (DSP_EXT_CMD_SET(mgr)) {
361                         rmh.cmd[1]  = 1;
362                         rmh.cmd_len = 2;
363                 }
364                 err = pcxhr_send_msg(mgr, &rmh);
365                 if (err)
366                         return err;
367                 mgr->codec_speed = speed;       /* save new codec speed */
368         }
369 
370         dev_dbg(&mgr->pci->dev, "pcxhr_sub_set_clock to %dHz (realfreq=%d)\n",
371                     rate, realfreq);
372         return 0;
373 }
374 
375 #define PCXHR_MODIFY_CLOCK_S_BIT        0x04
376 
377 #define PCXHR_IRQ_TIMER_FREQ            92000
378 #define PCXHR_IRQ_TIMER_PERIOD          48
379 
380 int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate)
381 {
382         struct pcxhr_rmh rmh;
383         int err, changed;
384 
385         if (rate == 0)
386                 return 0; /* nothing to do */
387 
388         if (mgr->is_hr_stereo)
389                 err = hr222_sub_set_clock(mgr, rate, &changed);
390         else
391                 err = pcxhr_sub_set_clock(mgr, rate, &changed);
392 
393         if (err)
394                 return err;
395 
396         if (changed) {
397                 pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK);
398                 rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT; /* resync fifos  */
399                 if (rate < PCXHR_IRQ_TIMER_FREQ)
400                         rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD;
401                 else
402                         rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2;
403                 rmh.cmd[2] = rate;
404                 rmh.cmd_len = 3;
405                 err = pcxhr_send_msg(mgr, &rmh);
406                 if (err)
407                         return err;
408         }
409         return 0;
410 }
411 
412 
413 static int pcxhr_sub_get_external_clock(struct pcxhr_mgr *mgr,
414                                         enum pcxhr_clock_type clock_type,
415                                         int *sample_rate)
416 {
417         struct pcxhr_rmh rmh;
418         unsigned char reg;
419         int err, rate;
420 
421         switch (clock_type) {
422         case PCXHR_CLOCK_TYPE_WORD_CLOCK:
423                 reg = REG_STATUS_WORD_CLOCK;
424                 break;
425         case PCXHR_CLOCK_TYPE_AES_SYNC:
426                 reg = REG_STATUS_AES_SYNC;
427                 break;
428         case PCXHR_CLOCK_TYPE_AES_1:
429                 reg = REG_STATUS_AES_1;
430                 break;
431         case PCXHR_CLOCK_TYPE_AES_2:
432                 reg = REG_STATUS_AES_2;
433                 break;
434         case PCXHR_CLOCK_TYPE_AES_3:
435                 reg = REG_STATUS_AES_3;
436                 break;
437         case PCXHR_CLOCK_TYPE_AES_4:
438                 reg = REG_STATUS_AES_4;
439                 break;
440         default:
441                 return -EINVAL;
442         }
443         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
444         rmh.cmd_len = 2;
445         rmh.cmd[0] |= IO_NUM_REG_STATUS;
446         if (mgr->last_reg_stat != reg) {
447                 rmh.cmd[1]  = reg;
448                 err = pcxhr_send_msg(mgr, &rmh);
449                 if (err)
450                         return err;
451                 udelay(100);    /* wait minimum 2 sample_frames at 32kHz ! */
452                 mgr->last_reg_stat = reg;
453         }
454         rmh.cmd[1]  = REG_STATUS_CURRENT;
455         err = pcxhr_send_msg(mgr, &rmh);
456         if (err)
457                 return err;
458         switch (rmh.stat[1] & 0x0f) {
459         case REG_STATUS_SYNC_32000 :    rate = 32000; break;
460         case REG_STATUS_SYNC_44100 :    rate = 44100; break;
461         case REG_STATUS_SYNC_48000 :    rate = 48000; break;
462         case REG_STATUS_SYNC_64000 :    rate = 64000; break;
463         case REG_STATUS_SYNC_88200 :    rate = 88200; break;
464         case REG_STATUS_SYNC_96000 :    rate = 96000; break;
465         case REG_STATUS_SYNC_128000 :   rate = 128000; break;
466         case REG_STATUS_SYNC_176400 :   rate = 176400; break;
467         case REG_STATUS_SYNC_192000 :   rate = 192000; break;
468         default: rate = 0;
469         }
470         dev_dbg(&mgr->pci->dev, "External clock is at %d Hz\n", rate);
471         *sample_rate = rate;
472         return 0;
473 }
474 
475 
476 int pcxhr_get_external_clock(struct pcxhr_mgr *mgr,
477                              enum pcxhr_clock_type clock_type,
478                              int *sample_rate)
479 {
480         if (mgr->is_hr_stereo)
481                 return hr222_get_external_clock(mgr, clock_type,
482                                                 sample_rate);
483         else
484                 return pcxhr_sub_get_external_clock(mgr, clock_type,
485                                                     sample_rate);
486 }
487 
488 /*
489  *  start or stop playback/capture substream
490  */
491 static int pcxhr_set_stream_state(struct snd_pcxhr *chip,
492                                   struct pcxhr_stream *stream)
493 {
494         int err;
495         struct pcxhr_rmh rmh;
496         int stream_mask, start;
497 
498         if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN)
499                 start = 1;
500         else {
501                 if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) {
502                         dev_err(chip->card->dev,
503                                 "pcxhr_set_stream_state CANNOT be stopped\n");
504                         return -EINVAL;
505                 }
506                 start = 0;
507         }
508         if (!stream->substream)
509                 return -EINVAL;
510 
511         stream->timer_abs_periods = 0;
512         stream->timer_period_frag = 0;  /* reset theoretical stream pos */
513         stream->timer_buf_periods = 0;
514         stream->timer_is_synced = 0;
515 
516         stream_mask =
517           stream->pipe->is_capture ? 1 : 1<<stream->substream->number;
518 
519         pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM);
520         pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture,
521                                   stream->pipe->first_audio, 0, stream_mask);
522 
523         chip = snd_pcm_substream_chip(stream->substream);
524 
525         err = pcxhr_send_msg(chip->mgr, &rmh);
526         if (err)
527                 dev_err(chip->card->dev,
528                         "ERROR pcxhr_set_stream_state err=%x;\n", err);
529         stream->status =
530           start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED;
531         return err;
532 }
533 
534 #define HEADER_FMT_BASE_LIN             0xfed00000
535 #define HEADER_FMT_BASE_FLOAT           0xfad00000
536 #define HEADER_FMT_INTEL                0x00008000
537 #define HEADER_FMT_24BITS               0x00004000
538 #define HEADER_FMT_16BITS               0x00002000
539 #define HEADER_FMT_UPTO11               0x00000200
540 #define HEADER_FMT_UPTO32               0x00000100
541 #define HEADER_FMT_MONO                 0x00000080
542 
543 static int pcxhr_set_format(struct pcxhr_stream *stream)
544 {
545         int err, is_capture, sample_rate, stream_num;
546         struct snd_pcxhr *chip;
547         struct pcxhr_rmh rmh;
548         unsigned int header;
549 
550         chip = snd_pcm_substream_chip(stream->substream);
551         switch (stream->format) {
552         case SNDRV_PCM_FORMAT_U8:
553                 header = HEADER_FMT_BASE_LIN;
554                 break;
555         case SNDRV_PCM_FORMAT_S16_LE:
556                 header = HEADER_FMT_BASE_LIN |
557                          HEADER_FMT_16BITS | HEADER_FMT_INTEL;
558                 break;
559         case SNDRV_PCM_FORMAT_S16_BE:
560                 header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS;
561                 break;
562         case SNDRV_PCM_FORMAT_S24_3LE:
563                 header = HEADER_FMT_BASE_LIN |
564                          HEADER_FMT_24BITS | HEADER_FMT_INTEL;
565                 break;
566         case SNDRV_PCM_FORMAT_S24_3BE:
567                 header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS;
568                 break;
569         case SNDRV_PCM_FORMAT_FLOAT_LE:
570                 header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL;
571                 break;
572         default:
573                 dev_err(chip->card->dev,
574                         "error pcxhr_set_format() : unknown format\n");
575                 return -EINVAL;
576         }
577 
578         sample_rate = chip->mgr->sample_rate;
579         if (sample_rate <= 32000 && sample_rate !=0) {
580                 if (sample_rate <= 11025)
581                         header |= HEADER_FMT_UPTO11;
582                 else
583                         header |= HEADER_FMT_UPTO32;
584         }
585         if (stream->channels == 1)
586                 header |= HEADER_FMT_MONO;
587 
588         is_capture = stream->pipe->is_capture;
589         stream_num = is_capture ? 0 : stream->substream->number;
590 
591         pcxhr_init_rmh(&rmh, is_capture ?
592                        CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT);
593         pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio,
594                                   stream_num, 0);
595         if (is_capture) {
596                 /* bug with old dsp versions: */
597                 /* bit 12 also sets the format of the playback stream */
598                 if (DSP_EXT_CMD_SET(chip->mgr))
599                         rmh.cmd[0] |= 1<<10;
600                 else
601                         rmh.cmd[0] |= 1<<12;
602         }
603         rmh.cmd[1] = 0;
604         rmh.cmd_len = 2;
605         if (DSP_EXT_CMD_SET(chip->mgr)) {
606                 /* add channels and set bit 19 if channels>2 */
607                 rmh.cmd[1] = stream->channels;
608                 if (!is_capture) {
609                         /* playback : add channel mask to command */
610                         rmh.cmd[2] = (stream->channels == 1) ? 0x01 : 0x03;
611                         rmh.cmd_len = 3;
612                 }
613         }
614         rmh.cmd[rmh.cmd_len++] = header >> 8;
615         rmh.cmd[rmh.cmd_len++] = (header & 0xff) << 16;
616         err = pcxhr_send_msg(chip->mgr, &rmh);
617         if (err)
618                 dev_err(chip->card->dev,
619                         "ERROR pcxhr_set_format err=%x;\n", err);
620         return err;
621 }
622 
623 static int pcxhr_update_r_buffer(struct pcxhr_stream *stream)
624 {
625         int err, is_capture, stream_num;
626         struct pcxhr_rmh rmh;
627         struct snd_pcm_substream *subs = stream->substream;
628         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
629 
630         is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE);
631         stream_num = is_capture ? 0 : subs->number;
632 
633         dev_dbg(chip->card->dev,
634                 "pcxhr_update_r_buffer(pcm%c%d) : addr(%p) bytes(%zx) subs(%d)\n",
635                 is_capture ? 'c' : 'p',
636                 chip->chip_idx, (void *)(long)subs->runtime->dma_addr,
637                 subs->runtime->dma_bytes, subs->number);
638 
639         pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS);
640         pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio,
641                                   stream_num, 0);
642 
643         /* max buffer size is 2 MByte */
644         snd_BUG_ON(subs->runtime->dma_bytes >= 0x200000);
645         /* size in bits */
646         rmh.cmd[1] = subs->runtime->dma_bytes * 8;
647         /* most significant byte */
648         rmh.cmd[2] = subs->runtime->dma_addr >> 24;
649         /* this is a circular buffer */
650         rmh.cmd[2] |= 1<<19;
651         /* least 3 significant bytes */
652         rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD;
653         rmh.cmd_len = 4;
654         err = pcxhr_send_msg(chip->mgr, &rmh);
655         if (err)
656                 dev_err(chip->card->dev,
657                            "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err);
658         return err;
659 }
660 
661 
662 #if 0
663 static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream,
664                                    snd_pcm_uframes_t *sample_count)
665 {
666         struct pcxhr_rmh rmh;
667         int err;
668         pcxhr_t *chip = snd_pcm_substream_chip(stream->substream);
669         pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT);
670         pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0,
671                                   1<<stream->pipe->first_audio);
672         err = pcxhr_send_msg(chip->mgr, &rmh);
673         if (err == 0) {
674                 *sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24;
675                 *sample_count += (snd_pcm_uframes_t)rmh.stat[1];
676         }
677         dev_dbg(chip->card->dev, "PIPE_SAMPLE_COUNT = %lx\n", *sample_count);
678         return err;
679 }
680 #endif
681 
682 static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream,
683                                                   struct pcxhr_pipe **pipe)
684 {
685         if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) {
686                 *pipe = stream->pipe;
687                 return 1;
688         }
689         return 0;
690 }
691 
692 static void pcxhr_start_linked_stream(struct pcxhr_mgr *mgr)
693 {
694         int i, j, err;
695         struct pcxhr_pipe *pipe;
696         struct snd_pcxhr *chip;
697         int capture_mask = 0;
698         int playback_mask = 0;
699 
700 #ifdef CONFIG_SND_DEBUG_VERBOSE
701         ktime_t start_time, stop_time, diff_time;
702 
703         start_time = ktime_get();
704 #endif
705         mutex_lock(&mgr->setup_mutex);
706 
707         /* check the pipes concerned and build pipe_array */
708         for (i = 0; i < mgr->num_cards; i++) {
709                 chip = mgr->chip[i];
710                 for (j = 0; j < chip->nb_streams_capt; j++) {
711                         if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe))
712                                 capture_mask |= (1 << pipe->first_audio);
713                 }
714                 for (j = 0; j < chip->nb_streams_play; j++) {
715                         if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) {
716                                 playback_mask |= (1 << pipe->first_audio);
717                                 break;  /* add only once, as all playback
718                                          * streams of one chip use the same pipe
719                                          */
720                         }
721                 }
722         }
723         if (capture_mask == 0 && playback_mask == 0) {
724                 mutex_unlock(&mgr->setup_mutex);
725                 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : no pipes\n");
726                 return;
727         }
728 
729         dev_dbg(&mgr->pci->dev, "pcxhr_start_linked_stream : "
730                     "playback_mask=%x capture_mask=%x\n",
731                     playback_mask, capture_mask);
732 
733         /* synchronous stop of all the pipes concerned */
734         err = pcxhr_set_pipe_state(mgr,  playback_mask, capture_mask, 0);
735         if (err) {
736                 mutex_unlock(&mgr->setup_mutex);
737                 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : "
738                            "error stop pipes (P%x C%x)\n",
739                            playback_mask, capture_mask);
740                 return;
741         }
742 
743         /* the dsp lost format and buffer info with the stop pipe */
744         for (i = 0; i < mgr->num_cards; i++) {
745                 struct pcxhr_stream *stream;
746                 chip = mgr->chip[i];
747                 for (j = 0; j < chip->nb_streams_capt; j++) {
748                         stream = &chip->capture_stream[j];
749                         if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
750                                 err = pcxhr_set_format(stream);
751                                 err = pcxhr_update_r_buffer(stream);
752                         }
753                 }
754                 for (j = 0; j < chip->nb_streams_play; j++) {
755                         stream = &chip->playback_stream[j];
756                         if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
757                                 err = pcxhr_set_format(stream);
758                                 err = pcxhr_update_r_buffer(stream);
759                         }
760                 }
761         }
762         /* start all the streams */
763         for (i = 0; i < mgr->num_cards; i++) {
764                 struct pcxhr_stream *stream;
765                 chip = mgr->chip[i];
766                 for (j = 0; j < chip->nb_streams_capt; j++) {
767                         stream = &chip->capture_stream[j];
768                         if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
769                                 err = pcxhr_set_stream_state(chip, stream);
770                 }
771                 for (j = 0; j < chip->nb_streams_play; j++) {
772                         stream = &chip->playback_stream[j];
773                         if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
774                                 err = pcxhr_set_stream_state(chip, stream);
775                 }
776         }
777 
778         /* synchronous start of all the pipes concerned */
779         err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
780         if (err) {
781                 mutex_unlock(&mgr->setup_mutex);
782                 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : "
783                            "error start pipes (P%x C%x)\n",
784                            playback_mask, capture_mask);
785                 return;
786         }
787 
788         /* put the streams into the running state now
789          * (increment pointer by interrupt)
790          */
791         mutex_lock(&mgr->lock);
792         for ( i =0; i < mgr->num_cards; i++) {
793                 struct pcxhr_stream *stream;
794                 chip = mgr->chip[i];
795                 for(j = 0; j < chip->nb_streams_capt; j++) {
796                         stream = &chip->capture_stream[j];
797                         if(stream->status == PCXHR_STREAM_STATUS_STARTED)
798                                 stream->status = PCXHR_STREAM_STATUS_RUNNING;
799                 }
800                 for (j = 0; j < chip->nb_streams_play; j++) {
801                         stream = &chip->playback_stream[j];
802                         if (stream->status == PCXHR_STREAM_STATUS_STARTED) {
803                                 /* playback will already have advanced ! */
804                                 stream->timer_period_frag += mgr->granularity;
805                                 stream->status = PCXHR_STREAM_STATUS_RUNNING;
806                         }
807                 }
808         }
809         mutex_unlock(&mgr->lock);
810 
811         mutex_unlock(&mgr->setup_mutex);
812 
813 #ifdef CONFIG_SND_DEBUG_VERBOSE
814         stop_time = ktime_get();
815         diff_time = ktime_sub(stop_time, start_time);
816         dev_dbg(&mgr->pci->dev, "***TRIGGER START*** TIME = %ld (err = %x)\n",
817                     (long)(ktime_to_ns(diff_time)), err);
818 #endif
819 }
820 
821 
822 /*
823  *  trigger callback
824  */
825 static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
826 {
827         struct pcxhr_stream *stream;
828         struct snd_pcm_substream *s;
829         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
830 
831         switch (cmd) {
832         case SNDRV_PCM_TRIGGER_START:
833                 dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_START\n");
834                 if (snd_pcm_stream_linked(subs)) {
835                         snd_pcm_group_for_each_entry(s, subs) {
836                                 if (snd_pcm_substream_chip(s) != chip)
837                                         continue;
838                                 stream = s->runtime->private_data;
839                                 stream->status =
840                                         PCXHR_STREAM_STATUS_SCHEDULE_RUN;
841                                 snd_pcm_trigger_done(s, subs);
842                         }
843                         pcxhr_start_linked_stream(chip->mgr);
844                 } else {
845                         stream = subs->runtime->private_data;
846                         dev_dbg(chip->card->dev, "Only one Substream %c %d\n",
847                                     stream->pipe->is_capture ? 'C' : 'P',
848                                     stream->pipe->first_audio);
849                         if (pcxhr_set_format(stream))
850                                 return -EINVAL;
851                         if (pcxhr_update_r_buffer(stream))
852                                 return -EINVAL;
853 
854                         stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN;
855                         if (pcxhr_set_stream_state(chip, stream))
856                                 return -EINVAL;
857                         stream->status = PCXHR_STREAM_STATUS_RUNNING;
858                 }
859                 break;
860         case SNDRV_PCM_TRIGGER_STOP:
861                 dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_STOP\n");
862                 snd_pcm_group_for_each_entry(s, subs) {
863                         stream = s->runtime->private_data;
864                         stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
865                         if (pcxhr_set_stream_state(chip, stream))
866                                 return -EINVAL;
867                         snd_pcm_trigger_done(s, subs);
868                 }
869                 break;
870         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
871         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
872                 /* TODO */
873         default:
874                 return -EINVAL;
875         }
876         return 0;
877 }
878 
879 
880 static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start)
881 {
882         struct pcxhr_rmh rmh;
883         int err;
884 
885         pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT);
886         if (start) {
887                 /* last dsp time invalid */
888                 mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID;
889                 rmh.cmd[0] |= mgr->granularity;
890         }
891         err = pcxhr_send_msg(mgr, &rmh);
892         if (err < 0)
893                 dev_err(&mgr->pci->dev, "error pcxhr_hardware_timer err(%x)\n",
894                            err);
895         return err;
896 }
897 
898 /*
899  *  prepare callback for all pcms
900  */
901 static int pcxhr_prepare(struct snd_pcm_substream *subs)
902 {
903         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
904         struct pcxhr_mgr *mgr = chip->mgr;
905         int err = 0;
906 
907         dev_dbg(chip->card->dev,
908                 "pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n",
909                     subs->runtime->period_size, subs->runtime->periods,
910                     subs->runtime->buffer_size);
911 
912         mutex_lock(&mgr->setup_mutex);
913 
914         do {
915                 /* only the first stream can choose the sample rate */
916                 /* set the clock only once (first stream) */
917                 if (mgr->sample_rate != subs->runtime->rate) {
918                         err = pcxhr_set_clock(mgr, subs->runtime->rate);
919                         if (err)
920                                 break;
921                         if (mgr->sample_rate == 0)
922                                 /* start the DSP-timer */
923                                 err = pcxhr_hardware_timer(mgr, 1);
924                         mgr->sample_rate = subs->runtime->rate;
925                 }
926         } while(0);     /* do only once (so we can use break instead of goto) */
927 
928         mutex_unlock(&mgr->setup_mutex);
929 
930         return err;
931 }
932 
933 
934 /*
935  *  HW_PARAMS callback for all pcms
936  */
937 static int pcxhr_hw_params(struct snd_pcm_substream *subs,
938                            struct snd_pcm_hw_params *hw)
939 {
940         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
941         struct pcxhr_mgr *mgr = chip->mgr;
942         struct pcxhr_stream *stream = subs->runtime->private_data;
943         snd_pcm_format_t format;
944         int err;
945         int channels;
946 
947         /* set up channels */
948         channels = params_channels(hw);
949 
950         /*  set up format for the stream */
951         format = params_format(hw);
952 
953         mutex_lock(&mgr->setup_mutex);
954 
955         stream->channels = channels;
956         stream->format = format;
957 
958         /* allocate buffer */
959         err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
960 
961         mutex_unlock(&mgr->setup_mutex);
962 
963         return err;
964 }
965 
966 static int pcxhr_hw_free(struct snd_pcm_substream *subs)
967 {
968         snd_pcm_lib_free_pages(subs);
969         return 0;
970 }
971 
972 
973 /*
974  *  CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
975  */
976 static const struct snd_pcm_hardware pcxhr_caps =
977 {
978         .info             = (SNDRV_PCM_INFO_MMAP |
979                              SNDRV_PCM_INFO_INTERLEAVED |
980                              SNDRV_PCM_INFO_MMAP_VALID |
981                              SNDRV_PCM_INFO_SYNC_START),
982         .formats          = (SNDRV_PCM_FMTBIT_U8 |
983                              SNDRV_PCM_FMTBIT_S16_LE |
984                              SNDRV_PCM_FMTBIT_S16_BE |
985                              SNDRV_PCM_FMTBIT_S24_3LE |
986                              SNDRV_PCM_FMTBIT_S24_3BE |
987                              SNDRV_PCM_FMTBIT_FLOAT_LE),
988         .rates            = (SNDRV_PCM_RATE_CONTINUOUS |
989                              SNDRV_PCM_RATE_8000_192000),
990         .rate_min         = 8000,
991         .rate_max         = 192000,
992         .channels_min     = 1,
993         .channels_max     = 2,
994         .buffer_bytes_max = (32*1024),
995         /* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */
996         .period_bytes_min = (2*PCXHR_GRANULARITY),
997         .period_bytes_max = (16*1024),
998         .periods_min      = 2,
999         .periods_max      = (32*1024/PCXHR_GRANULARITY),
1000 };
1001 
1002 
1003 static int pcxhr_open(struct snd_pcm_substream *subs)
1004 {
1005         struct snd_pcxhr       *chip = snd_pcm_substream_chip(subs);
1006         struct pcxhr_mgr       *mgr = chip->mgr;
1007         struct snd_pcm_runtime *runtime = subs->runtime;
1008         struct pcxhr_stream    *stream;
1009         int err;
1010 
1011         mutex_lock(&mgr->setup_mutex);
1012 
1013         /* copy the struct snd_pcm_hardware struct */
1014         runtime->hw = pcxhr_caps;
1015 
1016         if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
1017                 dev_dbg(chip->card->dev, "pcxhr_open playback chip%d subs%d\n",
1018                             chip->chip_idx, subs->number);
1019                 stream = &chip->playback_stream[subs->number];
1020         } else {
1021                 dev_dbg(chip->card->dev, "pcxhr_open capture chip%d subs%d\n",
1022                             chip->chip_idx, subs->number);
1023                 if (mgr->mono_capture)
1024                         runtime->hw.channels_max = 1;
1025                 else
1026                         runtime->hw.channels_min = 2;
1027                 stream = &chip->capture_stream[subs->number];
1028         }
1029         if (stream->status != PCXHR_STREAM_STATUS_FREE){
1030                 /* streams in use */
1031                 dev_err(chip->card->dev, "pcxhr_open chip%d subs%d in use\n",
1032                            chip->chip_idx, subs->number);
1033                 mutex_unlock(&mgr->setup_mutex);
1034                 return -EBUSY;
1035         }
1036 
1037         /* float format support is in some cases buggy on stereo cards */
1038         if (mgr->is_hr_stereo)
1039                 runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_FLOAT_LE;
1040 
1041         /* buffer-size should better be multiple of period-size */
1042         err = snd_pcm_hw_constraint_integer(runtime,
1043                                             SNDRV_PCM_HW_PARAM_PERIODS);
1044         if (err < 0) {
1045                 mutex_unlock(&mgr->setup_mutex);
1046                 return err;
1047         }
1048 
1049         /* if a sample rate is already used or fixed by external clock,
1050          * the stream cannot change
1051          */
1052         if (mgr->sample_rate)
1053                 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
1054         else {
1055                 if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
1056                         int external_rate;
1057                         if (pcxhr_get_external_clock(mgr, mgr->use_clock_type,
1058                                                      &external_rate) ||
1059                             external_rate == 0) {
1060                                 /* cannot detect the external clock rate */
1061                                 mutex_unlock(&mgr->setup_mutex);
1062                                 return -EBUSY;
1063                         }
1064                         runtime->hw.rate_min = external_rate;
1065                         runtime->hw.rate_max = external_rate;
1066                 }
1067         }
1068 
1069         stream->status      = PCXHR_STREAM_STATUS_OPEN;
1070         stream->substream   = subs;
1071         stream->channels    = 0; /* not configured yet */
1072 
1073         runtime->private_data = stream;
1074 
1075         /* better get a divisor of granularity values (96 or 192) */
1076         snd_pcm_hw_constraint_step(runtime, 0,
1077                                    SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32);
1078         snd_pcm_hw_constraint_step(runtime, 0,
1079                                    SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 32);
1080         snd_pcm_set_sync(subs);
1081 
1082         mgr->ref_count_rate++;
1083 
1084         mutex_unlock(&mgr->setup_mutex);
1085         return 0;
1086 }
1087 
1088 
1089 static int pcxhr_close(struct snd_pcm_substream *subs)
1090 {
1091         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
1092         struct pcxhr_mgr *mgr = chip->mgr;
1093         struct pcxhr_stream *stream = subs->runtime->private_data;
1094 
1095         mutex_lock(&mgr->setup_mutex);
1096 
1097         dev_dbg(chip->card->dev, "pcxhr_close chip%d subs%d\n",
1098                     chip->chip_idx, subs->number);
1099 
1100         /* sample rate released */
1101         if (--mgr->ref_count_rate == 0) {
1102                 mgr->sample_rate = 0;   /* the sample rate is no more locked */
1103                 pcxhr_hardware_timer(mgr, 0);   /* stop the DSP-timer */
1104         }
1105 
1106         stream->status    = PCXHR_STREAM_STATUS_FREE;
1107         stream->substream = NULL;
1108 
1109         mutex_unlock(&mgr->setup_mutex);
1110 
1111         return 0;
1112 }
1113 
1114 
1115 static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
1116 {
1117         u_int32_t timer_period_frag;
1118         int timer_buf_periods;
1119         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
1120         struct snd_pcm_runtime *runtime = subs->runtime;
1121         struct pcxhr_stream *stream  = runtime->private_data;
1122 
1123         mutex_lock(&chip->mgr->lock);
1124 
1125         /* get the period fragment and the nb of periods in the buffer */
1126         timer_period_frag = stream->timer_period_frag;
1127         timer_buf_periods = stream->timer_buf_periods;
1128 
1129         mutex_unlock(&chip->mgr->lock);
1130 
1131         return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
1132                                    timer_period_frag);
1133 }
1134 
1135 
1136 static const struct snd_pcm_ops pcxhr_ops = {
1137         .open      = pcxhr_open,
1138         .close     = pcxhr_close,
1139         .ioctl     = snd_pcm_lib_ioctl,
1140         .prepare   = pcxhr_prepare,
1141         .hw_params = pcxhr_hw_params,
1142         .hw_free   = pcxhr_hw_free,
1143         .trigger   = pcxhr_trigger,
1144         .pointer   = pcxhr_stream_pointer,
1145 };
1146 
1147 /*
1148  */
1149 int pcxhr_create_pcm(struct snd_pcxhr *chip)
1150 {
1151         int err;
1152         struct snd_pcm *pcm;
1153         char name[32];
1154 
1155         snprintf(name, sizeof(name), "pcxhr %d", chip->chip_idx);
1156         if ((err = snd_pcm_new(chip->card, name, 0,
1157                                chip->nb_streams_play,
1158                                chip->nb_streams_capt, &pcm)) < 0) {
1159                 dev_err(chip->card->dev, "cannot create pcm %s\n", name);
1160                 return err;
1161         }
1162         pcm->private_data = chip;
1163 
1164         if (chip->nb_streams_play)
1165                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops);
1166         if (chip->nb_streams_capt)
1167                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops);
1168 
1169         pcm->info_flags = 0;
1170         pcm->nonatomic = true;
1171         strcpy(pcm->name, name);
1172 
1173         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1174                                               &chip->mgr->pci->dev,
1175                                               32*1024, 32*1024);
1176         chip->pcm = pcm;
1177         return 0;
1178 }
1179 
1180 static int pcxhr_chip_free(struct snd_pcxhr *chip)
1181 {
1182         kfree(chip);
1183         return 0;
1184 }
1185 
1186 static int pcxhr_chip_dev_free(struct snd_device *device)
1187 {
1188         struct snd_pcxhr *chip = device->device_data;
1189         return pcxhr_chip_free(chip);
1190 }
1191 
1192 
1193 /*
1194  */
1195 static int pcxhr_create(struct pcxhr_mgr *mgr,
1196                         struct snd_card *card, int idx)
1197 {
1198         int err;
1199         struct snd_pcxhr *chip;
1200         static struct snd_device_ops ops = {
1201                 .dev_free = pcxhr_chip_dev_free,
1202         };
1203 
1204         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1205         if (!chip)
1206                 return -ENOMEM;
1207 
1208         chip->card = card;
1209         chip->chip_idx = idx;
1210         chip->mgr = mgr;
1211 
1212         if (idx < mgr->playback_chips)
1213                 /* stereo or mono streams */
1214                 chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS;
1215 
1216         if (idx < mgr->capture_chips) {
1217                 if (mgr->mono_capture)
1218                         chip->nb_streams_capt = 2;      /* 2 mono streams */
1219                 else
1220                         chip->nb_streams_capt = 1;      /* or 1 stereo stream */
1221         }
1222 
1223         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1224                 pcxhr_chip_free(chip);
1225                 return err;
1226         }
1227 
1228         mgr->chip[idx] = chip;
1229 
1230         return 0;
1231 }
1232 
1233 /* proc interface */
1234 static void pcxhr_proc_info(struct snd_info_entry *entry,
1235                             struct snd_info_buffer *buffer)
1236 {
1237         struct snd_pcxhr *chip = entry->private_data;
1238         struct pcxhr_mgr *mgr = chip->mgr;
1239 
1240         snd_iprintf(buffer, "\n%s\n", mgr->name);
1241 
1242         /* stats available when embedded DSP is running */
1243         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1244                 struct pcxhr_rmh rmh;
1245                 short ver_maj = (mgr->dsp_version >> 16) & 0xff;
1246                 short ver_min = (mgr->dsp_version >> 8) & 0xff;
1247                 short ver_build = mgr->dsp_version & 0xff;
1248                 snd_iprintf(buffer, "module version %s\n",
1249                             PCXHR_DRIVER_VERSION_STRING);
1250                 snd_iprintf(buffer, "dsp version %d.%d.%d\n",
1251                             ver_maj, ver_min, ver_build);
1252                 if (mgr->board_has_analog)
1253                         snd_iprintf(buffer, "analog io available\n");
1254                 else
1255                         snd_iprintf(buffer, "digital only board\n");
1256 
1257                 /* calc cpu load of the dsp */
1258                 pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES);
1259                 if( ! pcxhr_send_msg(mgr, &rmh) ) {
1260                         int cur = rmh.stat[0];
1261                         int ref = rmh.stat[1];
1262                         if (ref > 0) {
1263                                 if (mgr->sample_rate_real != 0 &&
1264                                     mgr->sample_rate_real != 48000) {
1265                                         ref = (ref * 48000) /
1266                                           mgr->sample_rate_real;
1267                                         if (mgr->sample_rate_real >=
1268                                             PCXHR_IRQ_TIMER_FREQ)
1269                                                 ref *= 2;
1270                                 }
1271                                 cur = 100 - (100 * cur) / ref;
1272                                 snd_iprintf(buffer, "cpu load    %d%%\n", cur);
1273                                 snd_iprintf(buffer, "buffer pool %d/%d\n",
1274                                             rmh.stat[2], rmh.stat[3]);
1275                         }
1276                 }
1277                 snd_iprintf(buffer, "dma granularity : %d\n",
1278                             mgr->granularity);
1279                 snd_iprintf(buffer, "dsp time errors : %d\n",
1280                             mgr->dsp_time_err);
1281                 snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n",
1282                             mgr->async_err_pipe_xrun);
1283                 snd_iprintf(buffer, "dsp async stream xrun errors : %d\n",
1284                             mgr->async_err_stream_xrun);
1285                 snd_iprintf(buffer, "dsp async last other error : %x\n",
1286                             mgr->async_err_other_last);
1287                 /* debug zone dsp */
1288                 rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS;
1289                 rmh.cmd_len = 1;
1290                 rmh.stat_len = PCXHR_SIZE_MAX_STATUS;
1291                 rmh.dsp_stat = 0;
1292                 rmh.cmd_idx = CMD_LAST_INDEX;
1293                 if( ! pcxhr_send_msg(mgr, &rmh) ) {
1294                         int i;
1295                         if (rmh.stat_len > 8)
1296                                 rmh.stat_len = 8;
1297                         for (i = 0; i < rmh.stat_len; i++)
1298                                 snd_iprintf(buffer, "debug[%02d] = %06x\n",
1299                                             i,  rmh.stat[i]);
1300                 }
1301         } else
1302                 snd_iprintf(buffer, "no firmware loaded\n");
1303         snd_iprintf(buffer, "\n");
1304 }
1305 static void pcxhr_proc_sync(struct snd_info_entry *entry,
1306                             struct snd_info_buffer *buffer)
1307 {
1308         struct snd_pcxhr *chip = entry->private_data;
1309         struct pcxhr_mgr *mgr = chip->mgr;
1310         static const char *textsHR22[3] = {
1311                 "Internal", "AES Sync", "AES 1"
1312         };
1313         static const char *textsPCXHR[7] = {
1314                 "Internal", "Word", "AES Sync",
1315                 "AES 1", "AES 2", "AES 3", "AES 4"
1316         };
1317         const char **texts;
1318         int max_clock;
1319         if (mgr->is_hr_stereo) {
1320                 texts = textsHR22;
1321                 max_clock = HR22_CLOCK_TYPE_MAX;
1322         } else {
1323                 texts = textsPCXHR;
1324                 max_clock = PCXHR_CLOCK_TYPE_MAX;
1325         }
1326 
1327         snd_iprintf(buffer, "\n%s\n", mgr->name);
1328         snd_iprintf(buffer, "Current Sample Clock\t: %s\n",
1329                     texts[mgr->cur_clock_type]);
1330         snd_iprintf(buffer, "Current Sample Rate\t= %d\n",
1331                     mgr->sample_rate_real);
1332         /* commands available when embedded DSP is running */
1333         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1334                 int i, err, sample_rate;
1335                 for (i = 1; i <= max_clock; i++) {
1336                         err = pcxhr_get_external_clock(mgr, i, &sample_rate);
1337                         if (err)
1338                                 break;
1339                         snd_iprintf(buffer, "%s Clock\t\t= %d\n",
1340                                     texts[i], sample_rate);
1341                 }
1342         } else
1343                 snd_iprintf(buffer, "no firmware loaded\n");
1344         snd_iprintf(buffer, "\n");
1345 }
1346 
1347 static void pcxhr_proc_gpio_read(struct snd_info_entry *entry,
1348                                  struct snd_info_buffer *buffer)
1349 {
1350         struct snd_pcxhr *chip = entry->private_data;
1351         struct pcxhr_mgr *mgr = chip->mgr;
1352         /* commands available when embedded DSP is running */
1353         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1354                 /* gpio ports on stereo boards only available */
1355                 int value = 0;
1356                 hr222_read_gpio(mgr, 1, &value);        /* GPI */
1357                 snd_iprintf(buffer, "GPI: 0x%x\n", value);
1358                 hr222_read_gpio(mgr, 0, &value);        /* GP0 */
1359                 snd_iprintf(buffer, "GPO: 0x%x\n", value);
1360         } else
1361                 snd_iprintf(buffer, "no firmware loaded\n");
1362         snd_iprintf(buffer, "\n");
1363 }
1364 static void pcxhr_proc_gpo_write(struct snd_info_entry *entry,
1365                                  struct snd_info_buffer *buffer)
1366 {
1367         struct snd_pcxhr *chip = entry->private_data;
1368         struct pcxhr_mgr *mgr = chip->mgr;
1369         char line[64];
1370         int value;
1371         /* commands available when embedded DSP is running */
1372         if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)))
1373                 return;
1374         while (!snd_info_get_line(buffer, line, sizeof(line))) {
1375                 if (sscanf(line, "GPO: 0x%x", &value) != 1)
1376                         continue;
1377                 hr222_write_gpo(mgr, value);    /* GP0 */
1378         }
1379 }
1380 
1381 /* Access to the results of the CMD_GET_TIME_CODE RMH */
1382 #define TIME_CODE_VALID_MASK    0x00800000
1383 #define TIME_CODE_NEW_MASK      0x00400000
1384 #define TIME_CODE_BACK_MASK     0x00200000
1385 #define TIME_CODE_WAIT_MASK     0x00100000
1386 
1387 /* Values for the CMD_MANAGE_SIGNAL RMH */
1388 #define MANAGE_SIGNAL_TIME_CODE 0x01
1389 #define MANAGE_SIGNAL_MIDI      0x02
1390 
1391 /* linear time code read proc*/
1392 static void pcxhr_proc_ltc(struct snd_info_entry *entry,
1393                            struct snd_info_buffer *buffer)
1394 {
1395         struct snd_pcxhr *chip = entry->private_data;
1396         struct pcxhr_mgr *mgr = chip->mgr;
1397         struct pcxhr_rmh rmh;
1398         unsigned int ltcHrs, ltcMin, ltcSec, ltcFrm;
1399         int err;
1400         /* commands available when embedded DSP is running */
1401         if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))) {
1402                 snd_iprintf(buffer, "no firmware loaded\n");
1403                 return;
1404         }
1405         if (!mgr->capture_ltc) {
1406                 pcxhr_init_rmh(&rmh, CMD_MANAGE_SIGNAL);
1407                 rmh.cmd[0] |= MANAGE_SIGNAL_TIME_CODE;
1408                 err = pcxhr_send_msg(mgr, &rmh);
1409                 if (err) {
1410                         snd_iprintf(buffer, "ltc not activated (%d)\n", err);
1411                         return;
1412                 }
1413                 if (mgr->is_hr_stereo)
1414                         hr222_manage_timecode(mgr, 1);
1415                 else
1416                         pcxhr_write_io_num_reg_cont(mgr, REG_CONT_VALSMPTE,
1417                                                     REG_CONT_VALSMPTE, NULL);
1418                 mgr->capture_ltc = 1;
1419         }
1420         pcxhr_init_rmh(&rmh, CMD_GET_TIME_CODE);
1421         err = pcxhr_send_msg(mgr, &rmh);
1422         if (err) {
1423                 snd_iprintf(buffer, "ltc read error (err=%d)\n", err);
1424                 return ;
1425         }
1426         ltcHrs = 10*((rmh.stat[0] >> 8) & 0x3) + (rmh.stat[0] & 0xf);
1427         ltcMin = 10*((rmh.stat[1] >> 16) & 0x7) + ((rmh.stat[1] >> 8) & 0xf);
1428         ltcSec = 10*(rmh.stat[1] & 0x7) + ((rmh.stat[2] >> 16) & 0xf);
1429         ltcFrm = 10*((rmh.stat[2] >> 8) & 0x3) + (rmh.stat[2] & 0xf);
1430 
1431         snd_iprintf(buffer, "timecode: %02u:%02u:%02u-%02u\n",
1432                             ltcHrs, ltcMin, ltcSec, ltcFrm);
1433         snd_iprintf(buffer, "raw: 0x%04x%06x%06x\n", rmh.stat[0] & 0x00ffff,
1434                             rmh.stat[1] & 0xffffff, rmh.stat[2] & 0xffffff);
1435         /*snd_iprintf(buffer, "dsp ref time: 0x%06x%06x\n",
1436                             rmh.stat[3] & 0xffffff, rmh.stat[4] & 0xffffff);*/
1437         if (!(rmh.stat[0] & TIME_CODE_VALID_MASK)) {
1438                 snd_iprintf(buffer, "warning: linear timecode not valid\n");
1439         }
1440 }
1441 
1442 static void pcxhr_proc_init(struct snd_pcxhr *chip)
1443 {
1444         snd_card_ro_proc_new(chip->card, "info", chip, pcxhr_proc_info);
1445         snd_card_ro_proc_new(chip->card, "sync", chip, pcxhr_proc_sync);
1446         /* gpio available on stereo sound cards only */
1447         if (chip->mgr->is_hr_stereo)
1448                 snd_card_rw_proc_new(chip->card, "gpio", chip,
1449                                      pcxhr_proc_gpio_read,
1450                                      pcxhr_proc_gpo_write);
1451         snd_card_ro_proc_new(chip->card, "ltc", chip, pcxhr_proc_ltc);
1452 }
1453 /* end of proc interface */
1454 
1455 /*
1456  * release all the cards assigned to a manager instance
1457  */
1458 static int pcxhr_free(struct pcxhr_mgr *mgr)
1459 {
1460         unsigned int i;
1461 
1462         for (i = 0; i < mgr->num_cards; i++) {
1463                 if (mgr->chip[i])
1464                         snd_card_free(mgr->chip[i]->card);
1465         }
1466 
1467         /* reset board if some firmware was loaded */
1468         if(mgr->dsp_loaded) {
1469                 pcxhr_reset_board(mgr);
1470                 dev_dbg(&mgr->pci->dev, "reset pcxhr !\n");
1471         }
1472 
1473         /* release irq  */
1474         if (mgr->irq >= 0)
1475                 free_irq(mgr->irq, mgr);
1476 
1477         pci_release_regions(mgr->pci);
1478 
1479         /* free hostport purgebuffer */
1480         if (mgr->hostport.area) {
1481                 snd_dma_free_pages(&mgr->hostport);
1482                 mgr->hostport.area = NULL;
1483         }
1484 
1485         kfree(mgr->prmh);
1486 
1487         pci_disable_device(mgr->pci);
1488         kfree(mgr);
1489         return 0;
1490 }
1491 
1492 /*
1493  *    probe function - creates the card manager
1494  */
1495 static int pcxhr_probe(struct pci_dev *pci,
1496                        const struct pci_device_id *pci_id)
1497 {
1498         static int dev;
1499         struct pcxhr_mgr *mgr;
1500         unsigned int i;
1501         int err;
1502         size_t size;
1503         char *card_name;
1504 
1505         if (dev >= SNDRV_CARDS)
1506                 return -ENODEV;
1507         if (! enable[dev]) {
1508                 dev++;
1509                 return -ENOENT;
1510         }
1511 
1512         /* enable PCI device */
1513         if ((err = pci_enable_device(pci)) < 0)
1514                 return err;
1515         pci_set_master(pci);
1516 
1517         /* check if we can restrict PCI DMA transfers to 32 bits */
1518         if (dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) {
1519                 dev_err(&pci->dev,
1520                         "architecture does not support 32bit PCI busmaster DMA\n");
1521                 pci_disable_device(pci);
1522                 return -ENXIO;
1523         }
1524 
1525         /* alloc card manager */
1526         mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
1527         if (! mgr) {
1528                 pci_disable_device(pci);
1529                 return -ENOMEM;
1530         }
1531 
1532         if (snd_BUG_ON(pci_id->driver_data >= PCI_ID_LAST)) {
1533                 kfree(mgr);
1534                 pci_disable_device(pci);
1535                 return -ENODEV;
1536         }
1537         card_name =
1538                 pcxhr_board_params[pci_id->driver_data].board_name;
1539         mgr->playback_chips =
1540                 pcxhr_board_params[pci_id->driver_data].playback_chips;
1541         mgr->capture_chips  =
1542                 pcxhr_board_params[pci_id->driver_data].capture_chips;
1543         mgr->fw_file_set =
1544                 pcxhr_board_params[pci_id->driver_data].fw_file_set;
1545         mgr->firmware_num  =
1546                 pcxhr_board_params[pci_id->driver_data].firmware_num;
1547         mgr->mono_capture = mono[dev];
1548         mgr->is_hr_stereo = (mgr->playback_chips == 1);
1549         mgr->board_has_aes1 = PCXHR_BOARD_HAS_AES1(mgr);
1550         mgr->board_aes_in_192k = !PCXHR_BOARD_AESIN_NO_192K(mgr);
1551 
1552         if (mgr->is_hr_stereo)
1553                 mgr->granularity = PCXHR_GRANULARITY_HR22;
1554         else
1555                 mgr->granularity = PCXHR_GRANULARITY;
1556 
1557         /* resource assignment */
1558         if ((err = pci_request_regions(pci, card_name)) < 0) {
1559                 kfree(mgr);
1560                 pci_disable_device(pci);
1561                 return err;
1562         }
1563         for (i = 0; i < 3; i++)
1564                 mgr->port[i] = pci_resource_start(pci, i);
1565 
1566         mgr->pci = pci;
1567         mgr->irq = -1;
1568 
1569         if (request_threaded_irq(pci->irq, pcxhr_interrupt,
1570                                  pcxhr_threaded_irq, IRQF_SHARED,
1571                                  KBUILD_MODNAME, mgr)) {
1572                 dev_err(&pci->dev, "unable to grab IRQ %d\n", pci->irq);
1573                 pcxhr_free(mgr);
1574                 return -EBUSY;
1575         }
1576         mgr->irq = pci->irq;
1577 
1578         snprintf(mgr->name, sizeof(mgr->name),
1579                  "Digigram at 0x%lx & 0x%lx, 0x%lx irq %i",
1580                  mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq);
1581 
1582         /* ISR lock  */
1583         mutex_init(&mgr->lock);
1584         mutex_init(&mgr->msg_lock);
1585 
1586         /* init setup mutex*/
1587         mutex_init(&mgr->setup_mutex);
1588 
1589         mgr->prmh = kmalloc(sizeof(*mgr->prmh) + 
1590                             sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS -
1591                                            PCXHR_SIZE_MAX_STATUS),
1592                             GFP_KERNEL);
1593         if (! mgr->prmh) {
1594                 pcxhr_free(mgr);
1595                 return -ENOMEM;
1596         }
1597 
1598         for (i=0; i < PCXHR_MAX_CARDS; i++) {
1599                 struct snd_card *card;
1600                 char tmpid[16];
1601                 int idx;
1602 
1603                 if (i >= max(mgr->playback_chips, mgr->capture_chips))
1604                         break;
1605                 mgr->num_cards++;
1606 
1607                 if (index[dev] < 0)
1608                         idx = index[dev];
1609                 else
1610                         idx = index[dev] + i;
1611 
1612                 snprintf(tmpid, sizeof(tmpid), "%s-%d",
1613                          id[dev] ? id[dev] : card_name, i);
1614                 err = snd_card_new(&pci->dev, idx, tmpid, THIS_MODULE,
1615                                    0, &card);
1616 
1617                 if (err < 0) {
1618                         dev_err(&pci->dev, "cannot allocate the card %d\n", i);
1619                         pcxhr_free(mgr);
1620                         return err;
1621                 }
1622 
1623                 strcpy(card->driver, DRIVER_NAME);
1624                 snprintf(card->shortname, sizeof(card->shortname),
1625                          "Digigram [PCM #%d]", i);
1626                 snprintf(card->longname, sizeof(card->longname),
1627                          "%s [PCM #%d]", mgr->name, i);
1628 
1629                 if ((err = pcxhr_create(mgr, card, i)) < 0) {
1630                         snd_card_free(card);
1631                         pcxhr_free(mgr);
1632                         return err;
1633                 }
1634 
1635                 if (i == 0)
1636                         /* init proc interface only for chip0 */
1637                         pcxhr_proc_init(mgr->chip[i]);
1638 
1639                 if ((err = snd_card_register(card)) < 0) {
1640                         pcxhr_free(mgr);
1641                         return err;
1642                 }
1643         }
1644 
1645         /* create hostport purgebuffer */
1646         size = PAGE_ALIGN(sizeof(struct pcxhr_hostport));
1647         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
1648                                 size, &mgr->hostport) < 0) {
1649                 pcxhr_free(mgr);
1650                 return -ENOMEM;
1651         }
1652         /* init purgebuffer */
1653         memset(mgr->hostport.area, 0, size);
1654 
1655         /* create a DSP loader */
1656         err = pcxhr_setup_firmware(mgr);
1657         if (err < 0) {
1658                 pcxhr_free(mgr);
1659                 return err;
1660         }
1661 
1662         pci_set_drvdata(pci, mgr);
1663         dev++;
1664         return 0;
1665 }
1666 
1667 static void pcxhr_remove(struct pci_dev *pci)
1668 {
1669         pcxhr_free(pci_get_drvdata(pci));
1670 }
1671 
1672 static struct pci_driver pcxhr_driver = {
1673         .name = KBUILD_MODNAME,
1674         .id_table = pcxhr_ids,
1675         .probe = pcxhr_probe,
1676         .remove = pcxhr_remove,
1677 };
1678 
1679 module_pci_driver(pcxhr_driver);
1680 

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