--- /dev/null
+/*
+ * fireworks_proc.c - a part of driver for Fireworks based devices
+ *
+ * Copyright (c) 2009-2010 Clemens Ladisch
+ * Copyright (c) 2013-2014 Takashi Sakamoto
+ *
+ * Licensed under the terms of the GNU General Public License, version 2.
+ */
+
+#include "./fireworks.h"
+
+static inline const char*
+get_phys_name(struct snd_efw_phys_grp *grp, bool input)
+{
+ 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(sizeof(struct snd_efw_hwinfo), GFP_KERNEL);
+ 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",
+ hwinfo->amdtp_tx_pcm_channels_4x);
+
+ snd_iprintf(buffer, "midi out ports: 0x%X\n", hwinfo->midi_out_ports);
+ snd_iprintf(buffer, "midi in ports: 0x%X\n", hwinfo->midi_in_ports);
+
+ snd_iprintf(buffer, "mixer playback channels: 0x%X\n",
+ hwinfo->mixer_playback_channels);
+ snd_iprintf(buffer, "mixer capture channels: 0x%X\n",
+ hwinfo->mixer_capture_channels);
+end:
+ kfree(hwinfo);
+}
+
+static void
+proc_read_clock(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
+{
+ struct snd_efw *efw = entry->private_data;
+ enum snd_efw_clock_source clock_source;
+ unsigned int sampling_rate;
+
+ if (snd_efw_command_get_clock_source(efw, &clock_source) < 0)
+ return;
+
+ if (snd_efw_command_get_sampling_rate(efw, &sampling_rate) < 0)
+ return;
+
+ snd_iprintf(buffer, "Clock Source: %d\n", clock_source);
+ snd_iprintf(buffer, "Sampling Rate: %d\n", sampling_rate);
+}
+
+/*
+ * NOTE:
+ * dB = 20 * log10(linear / 0x01000000)
+ * -144.0 dB when linear is 0
+ */
+static void
+proc_read_phys_meters(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct snd_efw *efw = entry->private_data;
+ struct snd_efw_phys_meters *meters;
+ unsigned int g, c, m, max, size;
+ const char *name;
+ u32 *linear;
+ int err;
+
+ size = sizeof(struct snd_efw_phys_meters) +
+ (efw->phys_in + efw->phys_out) * sizeof(u32);
+ meters = kzalloc(size, GFP_KERNEL);
+ if (meters == NULL)
+ return;
+
+ err = snd_efw_command_get_phys_meters(efw, meters, size);
+ if (err < 0)
+ goto end;
+
+ snd_iprintf(buffer, "Physical Meters:\n");
+
+ m = 0;
+ max = min(efw->phys_out, meters->out_meters);
+ linear = meters->values;
+ snd_iprintf(buffer, " %d Outputs:\n", max);
+ for (g = 0; g < efw->phys_out_grp_count; g++) {
+ name = get_phys_name(&efw->phys_out_grps[g], false);
+ for (c = 0; c < efw->phys_out_grps[g].count; c++) {
+ if (m < max)
+ snd_iprintf(buffer, "\t%s [%d]: %d\n",
+ name, c, linear[m++]);
+ }
+ }
+
+ m = 0;
+ max = min(efw->phys_in, meters->in_meters);
+ linear = meters->values + meters->out_meters;
+ snd_iprintf(buffer, " %d Inputs:\n", max);
+ for (g = 0; g < efw->phys_in_grp_count; g++) {
+ name = get_phys_name(&efw->phys_in_grps[g], true);
+ for (c = 0; c < efw->phys_in_grps[g].count; c++)
+ if (m < max)
+ snd_iprintf(buffer, "\t%s [%d]: %d\n",
+ name, c, linear[m++]);
+ }
+end:
+ kfree(meters);
+}
+
+static void
+proc_read_queues_state(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct snd_efw *efw = entry->private_data;
+ unsigned int consumed;
+
+ if (efw->pull_ptr > efw->push_ptr)
+ consumed = snd_efw_resp_buf_size -
+ (unsigned int)(efw->pull_ptr - efw->push_ptr);
+ else
+ consumed = (unsigned int)(efw->push_ptr - efw->pull_ptr);
+
+ snd_iprintf(buffer, "%d %d/%d\n",
+ efw->resp_queues, consumed, snd_efw_resp_buf_size);
+}
+
+static void
+add_node(struct snd_efw *efw, struct snd_info_entry *root, const char *name,
+ void (*op)(struct snd_info_entry *e, struct snd_info_buffer *b))
+{
+ struct snd_info_entry *entry;
+
+ entry = snd_info_create_card_entry(efw->card, name, root);
+ if (entry == NULL)
+ return;
+
+ snd_info_set_text_ops(entry, efw, op);
+ if (snd_info_register(entry) < 0)
+ snd_info_free_entry(entry);
+}
+
+void snd_efw_proc_init(struct snd_efw *efw)
+{
+ struct snd_info_entry *root;
+
+ /*
+ * All nodes are automatically removed at snd_card_disconnect(),
+ * by following to link list.
+ */
+ root = snd_info_create_card_entry(efw->card, "firewire",
+ efw->card->proc_root);
+ if (root == NULL)
+ return;
+ root->mode = S_IFDIR | S_IRUGO | S_IXUGO;
+ if (snd_info_register(root) < 0) {
+ snd_info_free_entry(root);
+ return;
+ }
+
+ add_node(efw, root, "clock", proc_read_clock);
+ add_node(efw, root, "firmware", proc_read_hwinfo);
+ add_node(efw, root, "meters", proc_read_phys_meters);
+ add_node(efw, root, "queues", proc_read_queues_state);
+}
Code Review / kvmfornfv.git / blobdiff