398 строки
12 KiB
C
398 строки
12 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* fireworks.c - a part of driver for Fireworks based devices
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*
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* Copyright (c) 2009-2010 Clemens Ladisch
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* Copyright (c) 2013-2014 Takashi Sakamoto
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*/
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/*
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* Fireworks is a board module which Echo Audio produced. This module consists
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* of three chipsets:
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* - Communication chipset for IEEE1394 PHY/Link and IEC 61883-1/6
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* - DSP or/and FPGA for signal processing
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* - Flash Memory to store firmwares
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*/
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#include "fireworks.h"
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MODULE_DESCRIPTION("Echo Fireworks driver");
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MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>");
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MODULE_LICENSE("GPL v2");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
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unsigned int snd_efw_resp_buf_size = 1024;
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bool snd_efw_resp_buf_debug = false;
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "card index");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "enable Fireworks sound card");
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module_param_named(resp_buf_size, snd_efw_resp_buf_size, uint, 0444);
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MODULE_PARM_DESC(resp_buf_size,
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"response buffer size (max 4096, default 1024)");
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module_param_named(resp_buf_debug, snd_efw_resp_buf_debug, bool, 0444);
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MODULE_PARM_DESC(resp_buf_debug, "store all responses to buffer");
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static DEFINE_MUTEX(devices_mutex);
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static DECLARE_BITMAP(devices_used, SNDRV_CARDS);
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#define VENDOR_LOUD 0x000ff2
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#define MODEL_MACKIE_400F 0x00400f
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#define MODEL_MACKIE_1200F 0x01200f
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#define VENDOR_ECHO 0x001486
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#define MODEL_ECHO_AUDIOFIRE_12 0x00af12
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#define MODEL_ECHO_AUDIOFIRE_12HD 0x0af12d
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#define MODEL_ECHO_AUDIOFIRE_12_APPLE 0x0af12a
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/* This is applied for AudioFire8 (until 2009 July) */
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#define MODEL_ECHO_AUDIOFIRE_8 0x000af8
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#define MODEL_ECHO_AUDIOFIRE_2 0x000af2
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#define MODEL_ECHO_AUDIOFIRE_4 0x000af4
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/* AudioFire9 is applied for AudioFire8(since 2009 July) and AudioFirePre8 */
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#define MODEL_ECHO_AUDIOFIRE_9 0x000af9
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/* unknown as product */
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#define MODEL_ECHO_FIREWORKS_8 0x0000f8
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#define MODEL_ECHO_FIREWORKS_HDMI 0x00afd1
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#define VENDOR_GIBSON 0x00075b
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/* for Robot Interface Pack of Dark Fire, Dusk Tiger, Les Paul Standard 2010 */
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#define MODEL_GIBSON_RIP 0x00afb2
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/* unknown as product */
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#define MODEL_GIBSON_GOLDTOP 0x00afb9
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/* part of hardware capability flags */
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#define FLAG_RESP_ADDR_CHANGABLE 0
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static int
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get_hardware_info(struct snd_efw *efw)
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{
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struct fw_device *fw_dev = fw_parent_device(efw->unit);
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struct snd_efw_hwinfo *hwinfo;
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char version[12] = {0};
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int err;
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hwinfo = kzalloc(sizeof(struct snd_efw_hwinfo), GFP_KERNEL);
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if (hwinfo == NULL)
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return -ENOMEM;
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err = snd_efw_command_get_hwinfo(efw, hwinfo);
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if (err < 0)
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goto end;
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/* firmware version for communication chipset */
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snprintf(version, sizeof(version), "%u.%u",
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(hwinfo->arm_version >> 24) & 0xff,
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(hwinfo->arm_version >> 16) & 0xff);
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efw->firmware_version = hwinfo->arm_version;
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strcpy(efw->card->driver, "Fireworks");
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strcpy(efw->card->shortname, hwinfo->model_name);
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strcpy(efw->card->mixername, hwinfo->model_name);
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snprintf(efw->card->longname, sizeof(efw->card->longname),
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"%s %s v%s, GUID %08x%08x at %s, S%d",
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hwinfo->vendor_name, hwinfo->model_name, version,
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hwinfo->guid_hi, hwinfo->guid_lo,
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dev_name(&efw->unit->device), 100 << fw_dev->max_speed);
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if (hwinfo->flags & BIT(FLAG_RESP_ADDR_CHANGABLE))
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efw->resp_addr_changable = true;
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efw->supported_sampling_rate = 0;
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if ((hwinfo->min_sample_rate <= 22050)
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&& (22050 <= hwinfo->max_sample_rate))
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efw->supported_sampling_rate |= SNDRV_PCM_RATE_22050;
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if ((hwinfo->min_sample_rate <= 32000)
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&& (32000 <= hwinfo->max_sample_rate))
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efw->supported_sampling_rate |= SNDRV_PCM_RATE_32000;
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if ((hwinfo->min_sample_rate <= 44100)
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&& (44100 <= hwinfo->max_sample_rate))
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efw->supported_sampling_rate |= SNDRV_PCM_RATE_44100;
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if ((hwinfo->min_sample_rate <= 48000)
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&& (48000 <= hwinfo->max_sample_rate))
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efw->supported_sampling_rate |= SNDRV_PCM_RATE_48000;
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if ((hwinfo->min_sample_rate <= 88200)
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&& (88200 <= hwinfo->max_sample_rate))
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efw->supported_sampling_rate |= SNDRV_PCM_RATE_88200;
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if ((hwinfo->min_sample_rate <= 96000)
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&& (96000 <= hwinfo->max_sample_rate))
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efw->supported_sampling_rate |= SNDRV_PCM_RATE_96000;
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if ((hwinfo->min_sample_rate <= 176400)
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&& (176400 <= hwinfo->max_sample_rate))
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efw->supported_sampling_rate |= SNDRV_PCM_RATE_176400;
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if ((hwinfo->min_sample_rate <= 192000)
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&& (192000 <= hwinfo->max_sample_rate))
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efw->supported_sampling_rate |= SNDRV_PCM_RATE_192000;
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/* the number of MIDI ports, not of MIDI conformant data channels */
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if (hwinfo->midi_out_ports > SND_EFW_MAX_MIDI_OUT_PORTS ||
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hwinfo->midi_in_ports > SND_EFW_MAX_MIDI_IN_PORTS) {
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err = -EIO;
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goto end;
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}
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efw->midi_out_ports = hwinfo->midi_out_ports;
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efw->midi_in_ports = hwinfo->midi_in_ports;
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if (hwinfo->amdtp_tx_pcm_channels > AM824_MAX_CHANNELS_FOR_PCM ||
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hwinfo->amdtp_tx_pcm_channels_2x > AM824_MAX_CHANNELS_FOR_PCM ||
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hwinfo->amdtp_tx_pcm_channels_4x > AM824_MAX_CHANNELS_FOR_PCM ||
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hwinfo->amdtp_rx_pcm_channels > AM824_MAX_CHANNELS_FOR_PCM ||
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hwinfo->amdtp_rx_pcm_channels_2x > AM824_MAX_CHANNELS_FOR_PCM ||
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hwinfo->amdtp_rx_pcm_channels_4x > AM824_MAX_CHANNELS_FOR_PCM) {
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err = -ENOSYS;
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goto end;
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}
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efw->pcm_capture_channels[0] = hwinfo->amdtp_tx_pcm_channels;
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efw->pcm_capture_channels[1] = hwinfo->amdtp_tx_pcm_channels_2x;
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efw->pcm_capture_channels[2] = hwinfo->amdtp_tx_pcm_channels_4x;
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efw->pcm_playback_channels[0] = hwinfo->amdtp_rx_pcm_channels;
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efw->pcm_playback_channels[1] = hwinfo->amdtp_rx_pcm_channels_2x;
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efw->pcm_playback_channels[2] = hwinfo->amdtp_rx_pcm_channels_4x;
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/* Hardware metering. */
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if (hwinfo->phys_in_grp_count > HWINFO_MAX_CAPS_GROUPS ||
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hwinfo->phys_out_grp_count > HWINFO_MAX_CAPS_GROUPS) {
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err = -EIO;
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goto end;
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}
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efw->phys_in = hwinfo->phys_in;
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efw->phys_out = hwinfo->phys_out;
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efw->phys_in_grp_count = hwinfo->phys_in_grp_count;
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efw->phys_out_grp_count = hwinfo->phys_out_grp_count;
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memcpy(&efw->phys_in_grps, hwinfo->phys_in_grps,
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sizeof(struct snd_efw_phys_grp) * hwinfo->phys_in_grp_count);
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memcpy(&efw->phys_out_grps, hwinfo->phys_out_grps,
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sizeof(struct snd_efw_phys_grp) * hwinfo->phys_out_grp_count);
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/* AudioFire8 (since 2009) and AudioFirePre8 */
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if (hwinfo->type == MODEL_ECHO_AUDIOFIRE_9)
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efw->is_af9 = true;
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/* These models uses the same firmware. */
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if (hwinfo->type == MODEL_ECHO_AUDIOFIRE_2 ||
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hwinfo->type == MODEL_ECHO_AUDIOFIRE_4 ||
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hwinfo->type == MODEL_ECHO_AUDIOFIRE_9 ||
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hwinfo->type == MODEL_GIBSON_RIP ||
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hwinfo->type == MODEL_GIBSON_GOLDTOP)
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efw->is_fireworks3 = true;
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end:
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kfree(hwinfo);
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return err;
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}
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static void
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efw_card_free(struct snd_card *card)
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{
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struct snd_efw *efw = card->private_data;
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mutex_lock(&devices_mutex);
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clear_bit(efw->card_index, devices_used);
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mutex_unlock(&devices_mutex);
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snd_efw_stream_destroy_duplex(efw);
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snd_efw_transaction_remove_instance(efw);
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}
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static void
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do_registration(struct work_struct *work)
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{
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struct snd_efw *efw = container_of(work, struct snd_efw, dwork.work);
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unsigned int card_index;
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int err;
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if (efw->registered)
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return;
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/* check registered cards */
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mutex_lock(&devices_mutex);
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for (card_index = 0; card_index < SNDRV_CARDS; ++card_index) {
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if (!test_bit(card_index, devices_used) && enable[card_index])
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break;
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}
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if (card_index >= SNDRV_CARDS) {
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mutex_unlock(&devices_mutex);
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return;
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}
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err = snd_card_new(&efw->unit->device, index[card_index],
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id[card_index], THIS_MODULE, 0, &efw->card);
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if (err < 0) {
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mutex_unlock(&devices_mutex);
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return;
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}
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set_bit(card_index, devices_used);
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mutex_unlock(&devices_mutex);
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efw->card->private_free = efw_card_free;
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efw->card->private_data = efw;
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/* prepare response buffer */
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snd_efw_resp_buf_size = clamp(snd_efw_resp_buf_size,
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SND_EFW_RESPONSE_MAXIMUM_BYTES, 4096U);
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efw->resp_buf = devm_kzalloc(&efw->card->card_dev,
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snd_efw_resp_buf_size, GFP_KERNEL);
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if (!efw->resp_buf) {
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err = -ENOMEM;
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goto error;
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}
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efw->pull_ptr = efw->push_ptr = efw->resp_buf;
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snd_efw_transaction_add_instance(efw);
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err = get_hardware_info(efw);
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if (err < 0)
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goto error;
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err = snd_efw_stream_init_duplex(efw);
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if (err < 0)
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goto error;
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snd_efw_proc_init(efw);
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if (efw->midi_out_ports || efw->midi_in_ports) {
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err = snd_efw_create_midi_devices(efw);
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if (err < 0)
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goto error;
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}
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err = snd_efw_create_pcm_devices(efw);
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if (err < 0)
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goto error;
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err = snd_efw_create_hwdep_device(efw);
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if (err < 0)
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goto error;
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err = snd_card_register(efw->card);
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if (err < 0)
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goto error;
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efw->registered = true;
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return;
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error:
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snd_card_free(efw->card);
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dev_info(&efw->unit->device,
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"Sound card registration failed: %d\n", err);
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}
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static int
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efw_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry)
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{
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struct snd_efw *efw;
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efw = devm_kzalloc(&unit->device, sizeof(struct snd_efw), GFP_KERNEL);
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if (efw == NULL)
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return -ENOMEM;
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efw->unit = fw_unit_get(unit);
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dev_set_drvdata(&unit->device, efw);
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mutex_init(&efw->mutex);
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spin_lock_init(&efw->lock);
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init_waitqueue_head(&efw->hwdep_wait);
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/* Allocate and register this sound card later. */
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INIT_DEFERRABLE_WORK(&efw->dwork, do_registration);
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snd_fw_schedule_registration(unit, &efw->dwork);
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return 0;
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}
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static void efw_update(struct fw_unit *unit)
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{
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struct snd_efw *efw = dev_get_drvdata(&unit->device);
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/* Postpone a workqueue for deferred registration. */
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if (!efw->registered)
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snd_fw_schedule_registration(unit, &efw->dwork);
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snd_efw_transaction_bus_reset(efw->unit);
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/*
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* After registration, userspace can start packet streaming, then this
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* code block works fine.
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*/
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if (efw->registered) {
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mutex_lock(&efw->mutex);
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snd_efw_stream_update_duplex(efw);
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mutex_unlock(&efw->mutex);
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}
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}
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static void efw_remove(struct fw_unit *unit)
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{
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struct snd_efw *efw = dev_get_drvdata(&unit->device);
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/*
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* Confirm to stop the work for registration before the sound card is
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* going to be released. The work is not scheduled again because bus
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* reset handler is not called anymore.
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*/
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cancel_delayed_work_sync(&efw->dwork);
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if (efw->registered) {
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// Block till all of ALSA character devices are released.
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snd_card_free(efw->card);
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}
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mutex_destroy(&efw->mutex);
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fw_unit_put(efw->unit);
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}
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static const struct ieee1394_device_id efw_id_table[] = {
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SND_EFW_DEV_ENTRY(VENDOR_LOUD, MODEL_MACKIE_400F),
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SND_EFW_DEV_ENTRY(VENDOR_LOUD, MODEL_MACKIE_1200F),
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SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_8),
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SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_12),
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SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_12HD),
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SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_12_APPLE),
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SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_2),
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SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_4),
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SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_9),
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SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_FIREWORKS_8),
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SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_FIREWORKS_HDMI),
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SND_EFW_DEV_ENTRY(VENDOR_GIBSON, MODEL_GIBSON_RIP),
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SND_EFW_DEV_ENTRY(VENDOR_GIBSON, MODEL_GIBSON_GOLDTOP),
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{}
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};
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MODULE_DEVICE_TABLE(ieee1394, efw_id_table);
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static struct fw_driver efw_driver = {
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.driver = {
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.owner = THIS_MODULE,
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.name = KBUILD_MODNAME,
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.bus = &fw_bus_type,
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},
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.probe = efw_probe,
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.update = efw_update,
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.remove = efw_remove,
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.id_table = efw_id_table,
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};
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static int __init snd_efw_init(void)
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{
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int err;
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err = snd_efw_transaction_register();
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if (err < 0)
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goto end;
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err = driver_register(&efw_driver.driver);
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if (err < 0)
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snd_efw_transaction_unregister();
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end:
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return err;
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}
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static void __exit snd_efw_exit(void)
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{
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snd_efw_transaction_unregister();
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driver_unregister(&efw_driver.driver);
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}
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module_init(snd_efw_init);
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module_exit(snd_efw_exit);
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