2 * Driver for Digigram pcxhr compatible soundcards
6 * Copyright (c) 2004 by Digigram <alsa@digigram.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <linux/interrupt.h>
24 #include <linux/vmalloc.h>
25 #include <linux/firmware.h>
26 #include <linux/pci.h>
28 #include <sound/core.h>
29 #include <sound/hwdep.h>
31 #include "pcxhr_mixer.h"
32 #include "pcxhr_hwdep.h"
33 #include "pcxhr_core.h"
36 #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
37 #if !defined(CONFIG_USE_PCXHRLOADER) && !defined(CONFIG_SND_PCXHR) /* built-in kernel */
38 #define SND_PCXHR_FW_LOADER /* use the standard firmware loader */
44 * get basic information and init pcxhr card
47 static int pcxhr_init_board(struct pcxhr_mgr *mgr)
53 /* calc the number of all streams used */
54 if (mgr->mono_capture)
55 card_streams = mgr->capture_chips * 2;
57 card_streams = mgr->capture_chips;
58 card_streams += mgr->playback_chips * PCXHR_PLAYBACK_STREAMS;
60 /* enable interrupts */
61 pcxhr_enable_dsp(mgr);
63 pcxhr_init_rmh(&rmh, CMD_SUPPORTED);
64 err = pcxhr_send_msg(mgr, &rmh);
67 /* test 8 or 12 phys out */
68 if ((rmh.stat[0] & MASK_FIRST_FIELD) != mgr->playback_chips * 2)
70 /* test 8 or 2 phys in */
71 if (((rmh.stat[0] >> (2 * FIELD_SIZE)) & MASK_FIRST_FIELD) !=
72 mgr->capture_chips * 2)
74 /* test max nb substream per board */
75 if ((rmh.stat[1] & 0x5F) < card_streams)
77 /* test max nb substream per pipe */
78 if (((rmh.stat[1] >> 7) & 0x5F) < PCXHR_PLAYBACK_STREAMS)
81 pcxhr_init_rmh(&rmh, CMD_VERSION);
82 /* firmware num for DSP */
83 rmh.cmd[0] |= mgr->firmware_num;
84 /* transfer granularity in samples (should be multiple of 48) */
85 rmh.cmd[1] = (1<<23) + PCXHR_GRANULARITY;
87 err = pcxhr_send_msg(mgr, &rmh);
90 snd_printdd("PCXHR DSP version is %d.%d.%d\n",
91 (rmh.stat[0]>>16)&0xff, (rmh.stat[0]>>8)&0xff, rmh.stat[0]&0xff);
92 mgr->dsp_version = rmh.stat[0];
95 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
96 rmh.cmd[0] |= IO_NUM_REG_STATUS;
97 rmh.cmd[1] = REG_STATUS_OPTIONS;
99 err = pcxhr_send_msg(mgr, &rmh);
103 if ((rmh.stat[1] & REG_STATUS_OPT_DAUGHTER_MASK) == REG_STATUS_OPT_ANALOG_BOARD)
104 mgr->board_has_analog = 1; /* analog addon board available */
106 /* analog addon board not available -> no support for instance */
110 err = pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
111 REG_CONT_UNMUTE_INPUTS, NULL);
115 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* a write to IO_NUM_REG_MUTE_OUT mutes! */
116 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
117 err = pcxhr_send_msg(mgr, &rmh);
121 void pcxhr_reset_board(struct pcxhr_mgr *mgr)
123 struct pcxhr_rmh rmh;
125 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
127 /* a read to IO_NUM_REG_MUTE_OUT register unmutes! */
128 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
129 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
130 pcxhr_send_msg(mgr, &rmh);
132 pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS, 0, NULL);
134 /* reset pcxhr dsp */
135 if (mgr->dsp_loaded & ( 1 << PCXHR_FIRMWARE_DSP_EPRM_INDEX))
136 pcxhr_reset_dsp(mgr);
137 /* reset second xilinx */
138 if (mgr->dsp_loaded & ( 1 << PCXHR_FIRMWARE_XLX_COM_INDEX))
139 pcxhr_reset_xilinx_com(mgr);
145 * allocate a playback/capture pipe (pcmp0/pcmc0)
147 static int pcxhr_dsp_allocate_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe,
148 int is_capture, int pin)
150 int stream_count, audio_count;
152 struct pcxhr_rmh rmh;
156 if (mgr->mono_capture)
161 stream_count = PCXHR_PLAYBACK_STREAMS;
162 audio_count = 2; /* always stereo */
164 snd_printdd("snd_add_ref_pipe pin(%d) pcm%c0\n", pin, is_capture ? 'c' : 'p');
165 pipe->is_capture = is_capture;
166 pipe->first_audio = pin;
167 /* define pipe (P_PCM_ONLY_MASK (0x020000) is not necessary) */
168 pcxhr_init_rmh(&rmh, CMD_RES_PIPE);
169 pcxhr_set_pipe_cmd_params(&rmh, is_capture, pin, audio_count, stream_count);
170 err = pcxhr_send_msg(mgr, &rmh);
172 snd_printk(KERN_ERR "error pipe allocation (CMD_RES_PIPE) err=%x!\n", err );
175 pipe->status = PCXHR_PIPE_DEFINED;
181 * free playback/capture pipe (pcmp0/pcmc0)
184 static int pcxhr_dsp_free_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe)
186 struct pcxhr_rmh rmh;
187 int capture_mask = 0;
188 int playback_mask = 0;
191 if (pipe->is_capture)
192 capture_mask = (1 << pipe->first_audio);
194 playback_mask = (1 << pipe->first_audio);
197 err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
199 snd_printk(KERN_ERR "error stopping pipe!\n");
200 /* release the pipe */
201 pcxhr_init_rmh(&rmh, CMD_FREE_PIPE);
202 pcxhr_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->first_audio, 0, 0);
203 err = pcxhr_send_msg(mgr, &rmh);
205 snd_printk(KERN_ERR "error pipe release (CMD_FREE_PIPE) err(%x)\n", err);
206 pipe->status = PCXHR_PIPE_UNDEFINED;
212 static int pcxhr_config_pipes(struct pcxhr_mgr *mgr)
215 struct snd_pcxhr *chip;
216 struct pcxhr_pipe *pipe;
218 /* allocate the pipes on the dsp */
219 for (i = 0; i < mgr->num_cards; i++) {
221 if (chip->nb_streams_play) {
222 pipe = &chip->playback_pipe;
223 err = pcxhr_dsp_allocate_pipe( mgr, pipe, 0, i*2);
226 for(j = 0; j < chip->nb_streams_play; j++)
227 chip->playback_stream[j].pipe = pipe;
229 for (j = 0; j < chip->nb_streams_capt; j++) {
230 pipe = &chip->capture_pipe[j];
231 err = pcxhr_dsp_allocate_pipe(mgr, pipe, 1, i*2 + j);
234 chip->capture_stream[j].pipe = pipe;
240 static int pcxhr_start_pipes(struct pcxhr_mgr *mgr)
243 struct snd_pcxhr *chip;
244 int playback_mask = 0;
245 int capture_mask = 0;
247 /* start all the pipes on the dsp */
248 for (i = 0; i < mgr->num_cards; i++) {
250 if (chip->nb_streams_play)
251 playback_mask |= (1 << chip->playback_pipe.first_audio);
252 for (j = 0; j < chip->nb_streams_capt; j++)
253 capture_mask |= (1 << chip->capture_pipe[j].first_audio);
255 return pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
259 static int pcxhr_dsp_load(struct pcxhr_mgr *mgr, int index, const struct firmware *dsp)
263 snd_printdd("loading dsp [%d] size = %Zd\n", index, dsp->size);
266 case PCXHR_FIRMWARE_XLX_INT_INDEX:
267 pcxhr_reset_xilinx_com(mgr);
268 return pcxhr_load_xilinx_binary(mgr, dsp, 0);
270 case PCXHR_FIRMWARE_XLX_COM_INDEX:
271 pcxhr_reset_xilinx_com(mgr);
272 return pcxhr_load_xilinx_binary(mgr, dsp, 1);
274 case PCXHR_FIRMWARE_DSP_EPRM_INDEX:
275 pcxhr_reset_dsp(mgr);
276 return pcxhr_load_eeprom_binary(mgr, dsp);
278 case PCXHR_FIRMWARE_DSP_BOOT_INDEX:
279 return pcxhr_load_boot_binary(mgr, dsp);
281 case PCXHR_FIRMWARE_DSP_MAIN_INDEX:
282 err = pcxhr_load_dsp_binary(mgr, dsp);
285 break; /* continue with first init */
287 snd_printk(KERN_ERR "wrong file index\n");
289 } /* end of switch file index*/
291 /* first communication with embedded */
292 err = pcxhr_init_board(mgr);
294 snd_printk(KERN_ERR "pcxhr could not be set up\n");
297 err = pcxhr_config_pipes(mgr);
299 snd_printk(KERN_ERR "pcxhr pipes could not be set up\n");
302 /* create devices and mixer in accordance with HW options*/
303 for (card_index = 0; card_index < mgr->num_cards; card_index++) {
304 struct snd_pcxhr *chip = mgr->chip[card_index];
306 if ((err = pcxhr_create_pcm(chip)) < 0)
309 if (card_index == 0) {
310 if ((err = pcxhr_create_mixer(chip->mgr)) < 0)
313 if ((err = snd_card_register(chip->card)) < 0)
316 err = pcxhr_start_pipes(mgr);
318 snd_printk(KERN_ERR "pcxhr pipes could not be started\n");
321 snd_printdd("pcxhr firmware downloaded and successfully set up\n");
329 #ifdef SND_PCXHR_FW_LOADER
331 int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
333 static char *fw_files[5] = {
342 const struct firmware *fw_entry;
345 for (i = 0; i < ARRAY_SIZE(fw_files); i++) {
346 sprintf(path, "pcxhr/%s", fw_files[i]);
347 if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
348 snd_printk(KERN_ERR "pcxhr: can't load firmware %s\n", path);
351 /* fake hwdep dsp record */
352 err = pcxhr_dsp_load(mgr, i, fw_entry);
353 release_firmware(fw_entry);
356 mgr->dsp_loaded |= 1 << i;
361 MODULE_FIRMWARE("pcxhr/xi_1_882.dat");
362 MODULE_FIRMWARE("pcxhr/xc_1_882.dat");
363 MODULE_FIRMWARE("pcxhr/e321_512.e56");
364 MODULE_FIRMWARE("pcxhr/b321_512.b56");
365 MODULE_FIRMWARE("pcxhr/d321_512.d56");
367 #else /* old style firmware loading */
369 /* pcxhr hwdep interface id string */
370 #define PCXHR_HWDEP_ID "pcxhr loader"
373 static int pcxhr_hwdep_dsp_status(struct snd_hwdep *hw,
374 struct snd_hwdep_dsp_status *info)
376 strcpy(info->id, "pcxhr");
377 info->num_dsps = PCXHR_FIRMWARE_FILES_MAX_INDEX;
379 if (hw->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))
380 info->chip_ready = 1;
382 info->version = PCXHR_DRIVER_VERSION;
386 static int pcxhr_hwdep_dsp_load(struct snd_hwdep *hw,
387 struct snd_hwdep_dsp_image *dsp)
389 struct pcxhr_mgr *mgr = hw->private_data;
393 fw.size = dsp->length;
394 fw.data = vmalloc(fw.size);
396 snd_printk(KERN_ERR "pcxhr: cannot allocate dsp image (%lu bytes)\n",
397 (unsigned long)fw.size);
400 if (copy_from_user((void *)fw.data, dsp->image, dsp->length)) {
404 err = pcxhr_dsp_load(mgr, dsp->index, &fw);
408 mgr->dsp_loaded |= 1 << dsp->index;
412 static int pcxhr_hwdep_open(struct snd_hwdep *hw, struct file *file)
417 static int pcxhr_hwdep_release(struct snd_hwdep *hw, struct file *file)
422 int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
425 struct snd_hwdep *hw;
427 /* only create hwdep interface for first cardX (see "index" module parameter)*/
428 if ((err = snd_hwdep_new(mgr->chip[0]->card, PCXHR_HWDEP_ID, 0, &hw)) < 0)
431 hw->iface = SNDRV_HWDEP_IFACE_PCXHR;
432 hw->private_data = mgr;
433 hw->ops.open = pcxhr_hwdep_open;
434 hw->ops.release = pcxhr_hwdep_release;
435 hw->ops.dsp_status = pcxhr_hwdep_dsp_status;
436 hw->ops.dsp_load = pcxhr_hwdep_dsp_load;
439 sprintf(hw->name, PCXHR_HWDEP_ID);
441 if ((err = snd_card_register(mgr->chip[0]->card)) < 0)
446 #endif /* SND_PCXHR_FW_LOADER */