sound/firewire/fireworks/fireworks_proc.c

Source file repositories/reference/linux-study-clean/sound/firewire/fireworks/fireworks_proc.c

File Facts

System
Linux kernel
Corpus path
sound/firewire/fireworks/fireworks_proc.c
Extension
.c
Size
6649 bytes
Lines
224
Domain
Driver Families
Bucket
sound/firewire
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * fireworks_proc.c - a part of driver for Fireworks based devices
 *
 * Copyright (c) 2009-2010 Clemens Ladisch
 * Copyright (c) 2013-2014 Takashi Sakamoto
 */

#include "./fireworks.h"

static inline const char*
get_phys_name(struct snd_efw_phys_grp *grp, bool input)
{
	static const char *const ch_type[] = {
		"Analog", "S/PDIF", "ADAT", "S/PDIF or ADAT", "Mirroring",
		"Headphones", "I2S", "Guitar", "Pirzo Guitar", "Guitar String",
	};

	if (grp->type < ARRAY_SIZE(ch_type))
		return ch_type[grp->type];
	else if (input)
		return "Input";
	else
		return "Output";
}

static void
proc_read_hwinfo(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
	struct snd_efw *efw = entry->private_data;
	unsigned short i;
	struct snd_efw_hwinfo *hwinfo;

	hwinfo = kmalloc_obj(struct snd_efw_hwinfo);
	if (hwinfo == NULL)
		return;

	if (snd_efw_command_get_hwinfo(efw, hwinfo) < 0)
		goto end;

	snd_iprintf(buffer, "guid_hi: 0x%X\n", hwinfo->guid_hi);
	snd_iprintf(buffer, "guid_lo: 0x%X\n", hwinfo->guid_lo);
	snd_iprintf(buffer, "type: 0x%X\n", hwinfo->type);
	snd_iprintf(buffer, "version: 0x%X\n", hwinfo->version);
	snd_iprintf(buffer, "vendor_name: %s\n", hwinfo->vendor_name);
	snd_iprintf(buffer, "model_name: %s\n", hwinfo->model_name);

	snd_iprintf(buffer, "dsp_version: 0x%X\n", hwinfo->dsp_version);
	snd_iprintf(buffer, "arm_version: 0x%X\n", hwinfo->arm_version);
	snd_iprintf(buffer, "fpga_version: 0x%X\n", hwinfo->fpga_version);

	snd_iprintf(buffer, "flags: 0x%X\n", hwinfo->flags);

	snd_iprintf(buffer, "max_sample_rate: 0x%X\n", hwinfo->max_sample_rate);
	snd_iprintf(buffer, "min_sample_rate: 0x%X\n", hwinfo->min_sample_rate);
	snd_iprintf(buffer, "supported_clock: 0x%X\n",
		    hwinfo->supported_clocks);

	snd_iprintf(buffer, "phys out: 0x%X\n", hwinfo->phys_out);
	snd_iprintf(buffer, "phys in: 0x%X\n", hwinfo->phys_in);

	snd_iprintf(buffer, "phys in grps: 0x%X\n",
		    hwinfo->phys_in_grp_count);
	for (i = 0; i < hwinfo->phys_in_grp_count; i++) {
		snd_iprintf(buffer,
			    "phys in grp[%d]: type 0x%X, count 0x%X\n",
			    i, hwinfo->phys_out_grps[i].type,
			    hwinfo->phys_out_grps[i].count);
	}

	snd_iprintf(buffer, "phys out grps: 0x%X\n",
		    hwinfo->phys_out_grp_count);
	for (i = 0; i < hwinfo->phys_out_grp_count; i++) {
		snd_iprintf(buffer,
			    "phys out grps[%d]: type 0x%X, count 0x%X\n",
			    i, hwinfo->phys_out_grps[i].type,
			    hwinfo->phys_out_grps[i].count);
	}

	snd_iprintf(buffer, "amdtp rx pcm channels 1x: 0x%X\n",
		    hwinfo->amdtp_rx_pcm_channels);
	snd_iprintf(buffer, "amdtp tx pcm channels 1x: 0x%X\n",
		    hwinfo->amdtp_tx_pcm_channels);
	snd_iprintf(buffer, "amdtp rx pcm channels 2x: 0x%X\n",
		    hwinfo->amdtp_rx_pcm_channels_2x);
	snd_iprintf(buffer, "amdtp tx pcm channels 2x: 0x%X\n",
		    hwinfo->amdtp_tx_pcm_channels_2x);
	snd_iprintf(buffer, "amdtp rx pcm channels 4x: 0x%X\n",
		    hwinfo->amdtp_rx_pcm_channels_4x);
	snd_iprintf(buffer, "amdtp tx pcm channels 4x: 0x%X\n",

Annotation

Implementation Notes