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