// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for Digigram pcxhr compatible soundcards
*
* hwdep device manager
*
* Copyright (c) 2004 by Digigram <[email protected]>
*/
#include <linux/interrupt.h>
#include <linux/vmalloc.h>
#include <linux/firmware.h>
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/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"
#include "pcxhr_mix22.h"
static int pcxhr_sub_init(struct pcxhr_mgr *mgr);
/*
* 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 4, 8 or 12 phys out */
if ((rmh.stat[0] & MASK_FIRST_FIELD) < mgr->playback_chips * 2)
return -EINVAL;
/* test 4, 8 or 2 phys in */
if (((rmh.stat[0] >> (2 * FIELD_SIZE)) & MASK_FIRST_FIELD) <
mgr->capture_chips * 2)
return -EINVAL;
/* test max nb substream per board */
if ((rmh.stat[1] & 0x5F) < card_streams)
return -EINVAL;
/* test max nb substream per pipe */
if (((rmh.stat[1] >> 7) & 0x5F) < PCXHR_PLAYBACK_STREAMS)
return -EINVAL;
dev_dbg(&mgr->pci->dev,
"supported formats : playback=%x capture=%x\n",
rmh.stat[2], rmh.stat[3]);
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) + mgr->granularity;
rmh.cmd_len = 2;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
dev_dbg(&mgr->pci->dev,
"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];
if (mgr->is_hr_stereo)
err = hr222_sub_init(mgr);
else
err = pcxhr_sub_init(mgr);
return err;
}
static int pcxhr_sub_init(struct pcxhr_mgr *mgr)
{
int err;
struct pcxhr_rmh rmh;
/* 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 found */
/* 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 (a write to IO_NUM_REG_MUTE_OUT mutes!) */
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
if (DSP_EXT_CMD_SET(mgr)) {
rmh.cmd[1] = 1; /* unmute digital plugs */
rmh.cmd_len = 2;
}
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 */
if (!mgr->is_hr_stereo) {
/* 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);
}
/* stereo cards mute with reset of dsp */
}
/* 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);
mgr->dsp_loaded = 1;
}
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 */
}
dev_dbg(&mgr->pci->dev, "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);
rmh.cmd[1] |= 0x020000; /* add P_PCM_ONLY_MASK */
if (DSP_EXT_CMD_SET(mgr)) {
/* add channel mask to command */
rmh.cmd[rmh.cmd_len++] = (audio_count == 1) ? 0x01 : 0x03;
}
err = pcxhr_send_msg(mgr, &rmh);
if (err < 0) {
dev_err(&mgr->pci->dev, "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)
dev_err(&mgr->pci->dev, "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)
dev_err(&mgr->pci->dev, "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;
dev_dbg(&mgr->pci->dev,
"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:
dev_err(&mgr->pci->dev, "wrong file index\n");
return -EFAULT;
} /* end of switch file index*/
/* first communication with embedded */
err = pcxhr_init_board(mgr);
if (err < 0) {
dev_err(&mgr->pci->dev, "pcxhr could not be set up\n");
return err;
}
err = pcxhr_config_pipes(mgr);
if (err < 0) {
dev_err(&mgr->pci->dev, "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];
err = pcxhr_create_pcm(chip);
if (err < 0)
return err;
if (card_index == 0) {
err = pcxhr_create_mixer(chip->mgr);
if (err < 0)
return err;
}
err = snd_card_register(chip->card);
if (err < 0)
return err;
}
err = pcxhr_start_pipes(mgr);
if (err < 0) {
dev_err(&mgr->pci->dev, "pcxhr pipes could not be started\n");
return err;
}
dev_dbg(&mgr->pci->dev,
"pcxhr firmware downloaded and successfully set up\n");
return 0;
}
/*
* fw loader entry
*/
int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
{
static const char * const fw_files[][5] = {
[0] = { "xlxint.dat", "xlxc882hr.dat",
"dspe882.e56", "dspb882hr.b56", "dspd882.d56" },
[1] = { "xlxint.dat", "xlxc882e.dat",
"dspe882.e56", "dspb882e.b56", "dspd882.d56" },
[2] = { "xlxint.dat", "xlxc1222hr.dat",
"dspe882.e56", "dspb1222hr.b56", "dspd1222.d56" },
[3] = { "xlxint.dat", "xlxc1222e.dat",
"dspe882.e56", "dspb1222e.b56", "dspd1222.d56" },
[4] = { NULL, "xlxc222.dat",
"dspe924.e56", "dspb924.b56", "dspd222.d56" },
[5] = { NULL, "xlxc924.dat",
"dspe924.e56", "dspb924.b56", "dspd222.d56" },
};
char path[32];
const struct firmware *fw_entry;
int i, err;
int fw_set = mgr->fw_file_set;
for (i = 0; i < 5; i++) {
if (!fw_files[fw_set][i])
continue;
sprintf(path, "pcxhr/%s", fw_files[fw_set][i]);
if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
dev_err(&mgr->pci->dev,
"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;
}
MODULE_FIRMWARE("pcxhr/xlxint.dat");
MODULE_FIRMWARE("pcxhr/xlxc882hr.dat");
MODULE_FIRMWARE("pcxhr/xlxc882e.dat");
MODULE_FIRMWARE("pcxhr/dspe882.e56");
MODULE_FIRMWARE("pcxhr/dspb882hr.b56");
MODULE_FIRMWARE("pcxhr/dspb882e.b56");
MODULE_FIRMWARE("pcxhr/dspd882.d56");
MODULE_FIRMWARE("pcxhr/xlxc1222hr.dat");
MODULE_FIRMWARE("pcxhr/xlxc1222e.dat");
MODULE_FIRMWARE("pcxhr/dspb1222hr.b56");
MODULE_FIRMWARE("pcxhr/dspb1222e.b56");
MODULE_FIRMWARE("pcxhr/dspd1222.d56");
MODULE_FIRMWARE("pcxhr/xlxc222.dat");
MODULE_FIRMWARE("pcxhr/xlxc924.dat");
MODULE_FIRMWARE("pcxhr/dspe924.e56");
MODULE_FIRMWARE("pcxhr/dspb924.b56");
MODULE_FIRMWARE("pcxhr/dspd222.d56");
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