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- /*
- * Driver for Digigram pcxhr compatible soundcards
- *
- * hwdep device manager
- *
- * Copyright (c) 2004 by Digigram <alsa@digigram.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #include <sound/driver.h>
- #include <linux/interrupt.h>
- #include <linux/vmalloc.h>
- #include <linux/firmware.h>
- #include <linux/pci.h>
- #include <asm/io.h>
- #include <sound/core.h>
- #include <sound/hwdep.h>
- #include "pcxhr.h"
- #include "pcxhr_mixer.h"
- #include "pcxhr_hwdep.h"
- #include "pcxhr_core.h"
- #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
- #if !defined(CONFIG_USE_PCXHRLOADER) && !defined(CONFIG_SND_PCXHR) /* built-in kernel */
- #define SND_PCXHR_FW_LOADER /* use the standard firmware loader */
- #endif
- #endif
- /*
- * get basic information and init pcxhr card
- */
- static int pcxhr_init_board(struct pcxhr_mgr *mgr)
- {
- int err;
- struct pcxhr_rmh rmh;
- int card_streams;
- /* calc the number of all streams used */
- if (mgr->mono_capture)
- card_streams = mgr->capture_chips * 2;
- else
- card_streams = mgr->capture_chips;
- card_streams += mgr->playback_chips * PCXHR_PLAYBACK_STREAMS;
- /* enable interrupts */
- pcxhr_enable_dsp(mgr);
- pcxhr_init_rmh(&rmh, CMD_SUPPORTED);
- err = pcxhr_send_msg(mgr, &rmh);
- if (err)
- return err;
- /* test 8 or 12 phys out */
- snd_assert((rmh.stat[0] & MASK_FIRST_FIELD) == mgr->playback_chips*2,
- return -EINVAL);
- /* test 8 or 2 phys in */
- snd_assert(((rmh.stat[0] >> (2*FIELD_SIZE)) & MASK_FIRST_FIELD) ==
- mgr->capture_chips * 2, return -EINVAL);
- /* test max nb substream per board */
- snd_assert((rmh.stat[1] & 0x5F) >= card_streams, return -EINVAL);
- /* test max nb substream per pipe */
- snd_assert(((rmh.stat[1]>>7)&0x5F) >= PCXHR_PLAYBACK_STREAMS, return -EINVAL);
- pcxhr_init_rmh(&rmh, CMD_VERSION);
- /* firmware num for DSP */
- rmh.cmd[0] |= mgr->firmware_num;
- /* transfer granularity in samples (should be multiple of 48) */
- rmh.cmd[1] = (1<<23) + PCXHR_GRANULARITY;
- rmh.cmd_len = 2;
- err = pcxhr_send_msg(mgr, &rmh);
- if (err)
- return err;
- snd_printdd("PCXHR DSP version is %d.%d.%d\n",
- (rmh.stat[0]>>16)&0xff, (rmh.stat[0]>>8)&0xff, rmh.stat[0]&0xff);
- mgr->dsp_version = rmh.stat[0];
- /* get options */
- pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
- rmh.cmd[0] |= IO_NUM_REG_STATUS;
- rmh.cmd[1] = REG_STATUS_OPTIONS;
- rmh.cmd_len = 2;
- err = pcxhr_send_msg(mgr, &rmh);
- if (err)
- return err;
- if ((rmh.stat[1] & REG_STATUS_OPT_DAUGHTER_MASK) == REG_STATUS_OPT_ANALOG_BOARD)
- mgr->board_has_analog = 1; /* analog addon board available */
- else
- /* analog addon board not available -> no support for instance */
- return -EINVAL;
- /* unmute inputs */
- err = pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
- REG_CONT_UNMUTE_INPUTS, NULL);
- if (err)
- return err;
- /* unmute outputs */
- pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* a write to IO_NUM_REG_MUTE_OUT mutes! */
- rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
- err = pcxhr_send_msg(mgr, &rmh);
- return err;
- }
- void pcxhr_reset_board(struct pcxhr_mgr *mgr)
- {
- struct pcxhr_rmh rmh;
- if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
- /* mute outputs */
- /* a read to IO_NUM_REG_MUTE_OUT register unmutes! */
- pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
- rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
- pcxhr_send_msg(mgr, &rmh);
- /* mute inputs */
- pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS, 0, NULL);
- }
- /* reset pcxhr dsp */
- if (mgr->dsp_loaded & ( 1 << PCXHR_FIRMWARE_DSP_EPRM_INDEX))
- pcxhr_reset_dsp(mgr);
- /* reset second xilinx */
- if (mgr->dsp_loaded & ( 1 << PCXHR_FIRMWARE_XLX_COM_INDEX))
- pcxhr_reset_xilinx_com(mgr);
- return;
- }
- /*
- * allocate a playback/capture pipe (pcmp0/pcmc0)
- */
- static int pcxhr_dsp_allocate_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe,
- int is_capture, int pin)
- {
- int stream_count, audio_count;
- int err;
- struct pcxhr_rmh rmh;
- if (is_capture) {
- stream_count = 1;
- if (mgr->mono_capture)
- audio_count = 1;
- else
- audio_count = 2;
- } else {
- stream_count = PCXHR_PLAYBACK_STREAMS;
- audio_count = 2; /* always stereo */
- }
- snd_printdd("snd_add_ref_pipe pin(%d) pcm%c0\n", pin, is_capture ? 'c' : 'p');
- pipe->is_capture = is_capture;
- pipe->first_audio = pin;
- /* define pipe (P_PCM_ONLY_MASK (0x020000) is not necessary) */
- pcxhr_init_rmh(&rmh, CMD_RES_PIPE);
- pcxhr_set_pipe_cmd_params(&rmh, is_capture, pin, audio_count, stream_count);
- err = pcxhr_send_msg(mgr, &rmh);
- if (err < 0) {
- snd_printk(KERN_ERR "error pipe allocation (CMD_RES_PIPE) err=%x!\n", err );
- return err;
- }
- pipe->status = PCXHR_PIPE_DEFINED;
- return 0;
- }
- /*
- * free playback/capture pipe (pcmp0/pcmc0)
- */
- #if 0
- static int pcxhr_dsp_free_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe)
- {
- struct pcxhr_rmh rmh;
- int capture_mask = 0;
- int playback_mask = 0;
- int err = 0;
- if (pipe->is_capture)
- capture_mask = (1 << pipe->first_audio);
- else
- playback_mask = (1 << pipe->first_audio);
- /* stop one pipe */
- err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
- if (err < 0)
- snd_printk(KERN_ERR "error stopping pipe!\n");
- /* release the pipe */
- pcxhr_init_rmh(&rmh, CMD_FREE_PIPE);
- pcxhr_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->first_audio, 0, 0);
- err = pcxhr_send_msg(mgr, &rmh);
- if (err < 0)
- snd_printk(KERN_ERR "error pipe release (CMD_FREE_PIPE) err(%x)\n", err);
- pipe->status = PCXHR_PIPE_UNDEFINED;
- return err;
- }
- #endif
- static int pcxhr_config_pipes(struct pcxhr_mgr *mgr)
- {
- int err, i, j;
- struct snd_pcxhr *chip;
- struct pcxhr_pipe *pipe;
- /* allocate the pipes on the dsp */
- for (i = 0; i < mgr->num_cards; i++) {
- chip = mgr->chip[i];
- if (chip->nb_streams_play) {
- pipe = &chip->playback_pipe;
- err = pcxhr_dsp_allocate_pipe( mgr, pipe, 0, i*2);
- if (err)
- return err;
- for(j = 0; j < chip->nb_streams_play; j++)
- chip->playback_stream[j].pipe = pipe;
- }
- for (j = 0; j < chip->nb_streams_capt; j++) {
- pipe = &chip->capture_pipe[j];
- err = pcxhr_dsp_allocate_pipe(mgr, pipe, 1, i*2 + j);
- if (err)
- return err;
- chip->capture_stream[j].pipe = pipe;
- }
- }
- return 0;
- }
- static int pcxhr_start_pipes(struct pcxhr_mgr *mgr)
- {
- int i, j;
- struct snd_pcxhr *chip;
- int playback_mask = 0;
- int capture_mask = 0;
- /* start all the pipes on the dsp */
- for (i = 0; i < mgr->num_cards; i++) {
- chip = mgr->chip[i];
- if (chip->nb_streams_play)
- playback_mask |= (1 << chip->playback_pipe.first_audio);
- for (j = 0; j < chip->nb_streams_capt; j++)
- capture_mask |= (1 << chip->capture_pipe[j].first_audio);
- }
- return pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
- }
- static int pcxhr_dsp_load(struct pcxhr_mgr *mgr, int index, const struct firmware *dsp)
- {
- int err, card_index;
- snd_printdd("loading dsp [%d] size = %Zd\n", index, dsp->size);
- switch (index) {
- case PCXHR_FIRMWARE_XLX_INT_INDEX:
- pcxhr_reset_xilinx_com(mgr);
- return pcxhr_load_xilinx_binary(mgr, dsp, 0);
- case PCXHR_FIRMWARE_XLX_COM_INDEX:
- pcxhr_reset_xilinx_com(mgr);
- return pcxhr_load_xilinx_binary(mgr, dsp, 1);
- case PCXHR_FIRMWARE_DSP_EPRM_INDEX:
- pcxhr_reset_dsp(mgr);
- return pcxhr_load_eeprom_binary(mgr, dsp);
- case PCXHR_FIRMWARE_DSP_BOOT_INDEX:
- return pcxhr_load_boot_binary(mgr, dsp);
- case PCXHR_FIRMWARE_DSP_MAIN_INDEX:
- err = pcxhr_load_dsp_binary(mgr, dsp);
- if (err)
- return err;
- break; /* continue with first init */
- default:
- snd_printk(KERN_ERR "wrong file index\n");
- return -EFAULT;
- } /* end of switch file index*/
- /* first communication with embedded */
- err = pcxhr_init_board(mgr);
- if (err < 0) {
- snd_printk(KERN_ERR "pcxhr could not be set up\n");
- return err;
- }
- err = pcxhr_config_pipes(mgr);
- if (err < 0) {
- snd_printk(KERN_ERR "pcxhr pipes could not be set up\n");
- return err;
- }
- /* create devices and mixer in accordance with HW options*/
- for (card_index = 0; card_index < mgr->num_cards; card_index++) {
- struct snd_pcxhr *chip = mgr->chip[card_index];
- if ((err = pcxhr_create_pcm(chip)) < 0)
- return err;
- if (card_index == 0) {
- if ((err = pcxhr_create_mixer(chip->mgr)) < 0)
- return err;
- }
- if ((err = snd_card_register(chip->card)) < 0)
- return err;
- }
- err = pcxhr_start_pipes(mgr);
- if (err < 0) {
- snd_printk(KERN_ERR "pcxhr pipes could not be started\n");
- return err;
- }
- snd_printdd("pcxhr firmware downloaded and successfully set up\n");
- return 0;
- }
- /*
- * fw loader entry
- */
- #ifdef SND_PCXHR_FW_LOADER
- int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
- {
- static char *fw_files[5] = {
- "xi_1_882.dat",
- "xc_1_882.dat",
- "e321_512.e56",
- "b321_512.b56",
- "d321_512.d56"
- };
- char path[32];
- const struct firmware *fw_entry;
- int i, err;
- for (i = 0; i < ARRAY_SIZE(fw_files); i++) {
- sprintf(path, "pcxhr/%s", fw_files[i]);
- if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
- snd_printk(KERN_ERR "pcxhr: can't load firmware %s\n", path);
- return -ENOENT;
- }
- /* fake hwdep dsp record */
- err = pcxhr_dsp_load(mgr, i, fw_entry);
- release_firmware(fw_entry);
- if (err < 0)
- return err;
- mgr->dsp_loaded |= 1 << i;
- }
- return 0;
- }
- #else /* old style firmware loading */
- /* pcxhr hwdep interface id string */
- #define PCXHR_HWDEP_ID "pcxhr loader"
- static int pcxhr_hwdep_dsp_status(struct snd_hwdep *hw,
- struct snd_hwdep_dsp_status *info)
- {
- strcpy(info->id, "pcxhr");
- info->num_dsps = PCXHR_FIRMWARE_FILES_MAX_INDEX;
- if (hw->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))
- info->chip_ready = 1;
- info->version = PCXHR_DRIVER_VERSION;
- return 0;
- }
- static int pcxhr_hwdep_dsp_load(struct snd_hwdep *hw,
- struct snd_hwdep_dsp_image *dsp)
- {
- struct pcxhr_mgr *mgr = hw->private_data;
- int err;
- struct firmware fw;
- fw.size = dsp->length;
- fw.data = vmalloc(fw.size);
- if (! fw.data) {
- snd_printk(KERN_ERR "pcxhr: cannot allocate dsp image (%lu bytes)\n",
- (unsigned long)fw.size);
- return -ENOMEM;
- }
- if (copy_from_user(fw.data, dsp->image, dsp->length)) {
- vfree(fw.data);
- return -EFAULT;
- }
- err = pcxhr_dsp_load(mgr, dsp->index, &fw);
- vfree(fw.data);
- if (err < 0)
- return err;
- mgr->dsp_loaded |= 1 << dsp->index;
- return 0;
- }
- static int pcxhr_hwdep_open(struct snd_hwdep *hw, struct file *file)
- {
- return 0;
- }
- static int pcxhr_hwdep_release(struct snd_hwdep *hw, struct file *file)
- {
- return 0;
- }
- int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
- {
- int err;
- struct snd_hwdep *hw;
- /* only create hwdep interface for first cardX (see "index" module parameter)*/
- if ((err = snd_hwdep_new(mgr->chip[0]->card, PCXHR_HWDEP_ID, 0, &hw)) < 0)
- return err;
- hw->iface = SNDRV_HWDEP_IFACE_PCXHR;
- hw->private_data = mgr;
- hw->ops.open = pcxhr_hwdep_open;
- hw->ops.release = pcxhr_hwdep_release;
- hw->ops.dsp_status = pcxhr_hwdep_dsp_status;
- hw->ops.dsp_load = pcxhr_hwdep_dsp_load;
- hw->exclusive = 1;
- mgr->dsp_loaded = 0;
- sprintf(hw->name, PCXHR_HWDEP_ID);
- if ((err = snd_card_register(mgr->chip[0]->card)) < 0)
- return err;
- return 0;
- }
- #endif /* SND_PCXHR_FW_LOADER */
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