89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
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/*
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* tascam-proc.h - a part of driver for TASCAM FireWire series
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*
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* Copyright (c) 2015 Takashi Sakamoto
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*
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* Licensed under the terms of the GNU General Public License, version 2.
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*/
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#include "./tascam.h"
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static void proc_read_firmware(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_tscm *tscm = entry->private_data;
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__be32 data;
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unsigned int reg, fpga, arm, hw;
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int err;
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err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
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TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_REGISTER,
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&data, sizeof(data), 0);
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if (err < 0)
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return;
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reg = be32_to_cpu(data);
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err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
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TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_FPGA,
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&data, sizeof(data), 0);
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if (err < 0)
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return;
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fpga = be32_to_cpu(data);
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err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
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TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_ARM,
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&data, sizeof(data), 0);
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if (err < 0)
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return;
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arm = be32_to_cpu(data);
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err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
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TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_HW,
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&data, sizeof(data), 0);
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if (err < 0)
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return;
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hw = be32_to_cpu(data);
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snd_iprintf(buffer, "Register: %d (0x%08x)\n", reg & 0xffff, reg);
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snd_iprintf(buffer, "FPGA: %d (0x%08x)\n", fpga & 0xffff, fpga);
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snd_iprintf(buffer, "ARM: %d (0x%08x)\n", arm & 0xffff, arm);
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snd_iprintf(buffer, "Hardware: %d (0x%08x)\n", hw >> 16, hw);
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}
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static void add_node(struct snd_tscm *tscm, struct snd_info_entry *root,
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const char *name,
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void (*op)(struct snd_info_entry *e,
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struct snd_info_buffer *b))
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{
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struct snd_info_entry *entry;
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entry = snd_info_create_card_entry(tscm->card, name, root);
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if (entry == NULL)
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return;
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snd_info_set_text_ops(entry, tscm, op);
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if (snd_info_register(entry) < 0)
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snd_info_free_entry(entry);
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}
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void snd_tscm_proc_init(struct snd_tscm *tscm)
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{
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struct snd_info_entry *root;
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/*
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* All nodes are automatically removed at snd_card_disconnect(),
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* by following to link list.
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*/
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root = snd_info_create_card_entry(tscm->card, "firewire",
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tscm->card->proc_root);
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if (root == NULL)
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return;
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root->mode = S_IFDIR | S_IRUGO | S_IXUGO;
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if (snd_info_register(root) < 0) {
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snd_info_free_entry(root);
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return;
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}
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add_node(tscm, root, "firmware", proc_read_firmware);
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}
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