Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * tascam-proc.h - a part of driver for TASCAM FireWire series
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (c) 2015 Takashi Sakamoto
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include "./tascam.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) static void proc_read_firmware(struct snd_info_entry *entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 			       struct snd_info_buffer *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	struct snd_tscm *tscm = entry->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	__be32 data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	unsigned int reg, fpga, arm, hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 			TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_REGISTER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 			&data, sizeof(data), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	reg = be32_to_cpu(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 			TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_FPGA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 			&data, sizeof(data), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	fpga = be32_to_cpu(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 			TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_ARM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 			&data, sizeof(data), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	arm = be32_to_cpu(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 			TSCM_ADDR_BASE + TSCM_OFFSET_FIRMWARE_HW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 			&data, sizeof(data), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	hw = be32_to_cpu(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	snd_iprintf(buffer, "Register: %d (0x%08x)\n", reg & 0xffff, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	snd_iprintf(buffer, "FPGA:     %d (0x%08x)\n", fpga & 0xffff, fpga);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	snd_iprintf(buffer, "ARM:      %d (0x%08x)\n", arm & 0xffff, arm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	snd_iprintf(buffer, "Hardware: %d (0x%08x)\n", hw >> 16, hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static void add_node(struct snd_tscm *tscm, struct snd_info_entry *root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		     const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 		     void (*op)(struct snd_info_entry *e,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 				struct snd_info_buffer *b))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	struct snd_info_entry *entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	entry = snd_info_create_card_entry(tscm->card, name, root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	if (entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 		snd_info_set_text_ops(entry, tscm, op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) void snd_tscm_proc_init(struct snd_tscm *tscm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	struct snd_info_entry *root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	 * All nodes are automatically removed at snd_card_disconnect(),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	 * by following to link list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 	root = snd_info_create_card_entry(tscm->card, "firewire",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 					  tscm->card->proc_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 	if (root == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 	root->mode = S_IFDIR | 0555;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 	add_node(tscm, root, "firmware", proc_read_firmware);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }