1 /* 2 * tascam-proc.h - a part of driver for TASCAM FireWire series 3 * 4 * Copyright (c) 2015 Takashi Sakamoto 5 * 6 * Licensed under the terms of the GNU General Public License, version 2. 7 */ 8 9 #include "./tascam.h" 10 11 static void proc_read_firmware(struct snd_info_entry *entry, 12 struct snd_info_buffer *buffer) 13 { 14 struct snd_tscm *tscm = entry->private_data; 15 __be32 data; 16 unsigned int reg, fpga, arm, hw; 17 int err; 18 19 err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST, 20 TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_REGISTER, 21 &data, sizeof(data), 0); 22 if (err < 0) 23 return; 24 reg = be32_to_cpu(data); 25 26 err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST, 27 TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_FPGA, 28 &data, sizeof(data), 0); 29 if (err < 0) 30 return; 31 fpga = be32_to_cpu(data); 32 33 err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST, 34 TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_ARM, 35 &data, sizeof(data), 0); 36 if (err < 0) 37 return; 38 arm = be32_to_cpu(data); 39 40 err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST, 41 TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_HW, 42 &data, sizeof(data), 0); 43 if (err < 0) 44 return; 45 hw = be32_to_cpu(data); 46 47 snd_iprintf(buffer, "Register: %d (0x%08x)\n", reg & 0xffff, reg); 48 snd_iprintf(buffer, "FPGA: %d (0x%08x)\n", fpga & 0xffff, fpga); 49 snd_iprintf(buffer, "ARM: %d (0x%08x)\n", arm & 0xffff, arm); 50 snd_iprintf(buffer, "Hardware: %d (0x%08x)\n", hw >> 16, hw); 51 } 52 53 static void add_node(struct snd_tscm *tscm, struct snd_info_entry *root, 54 const char *name, 55 void (*op)(struct snd_info_entry *e, 56 struct snd_info_buffer *b)) 57 { 58 struct snd_info_entry *entry; 59 60 entry = snd_info_create_card_entry(tscm->card, name, root); 61 if (entry == NULL) 62 return; 63 64 snd_info_set_text_ops(entry, tscm, op); 65 if (snd_info_register(entry) < 0) 66 snd_info_free_entry(entry); 67 } 68 69 void snd_tscm_proc_init(struct snd_tscm *tscm) 70 { 71 struct snd_info_entry *root; 72 73 /* 74 * All nodes are automatically removed at snd_card_disconnect(), 75 * by following to link list. 76 */ 77 root = snd_info_create_card_entry(tscm->card, "firewire", 78 tscm->card->proc_root); 79 if (root == NULL) 80 return; 81 root->mode = S_IFDIR | S_IRUGO | S_IXUGO; 82 if (snd_info_register(root) < 0) { 83 snd_info_free_entry(root); 84 return; 85 } 86 87 add_node(tscm, root, "firmware", proc_read_firmware); 88 } 89