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Diffstat (limited to 'sound/firewire/fireface/ff-protocol-ff400.c')
-rw-r--r--sound/firewire/fireface/ff-protocol-ff400.c371
1 files changed, 0 insertions, 371 deletions
diff --git a/sound/firewire/fireface/ff-protocol-ff400.c b/sound/firewire/fireface/ff-protocol-ff400.c
deleted file mode 100644
index fcec6de80eeb..000000000000
--- a/sound/firewire/fireface/ff-protocol-ff400.c
+++ /dev/null
@@ -1,371 +0,0 @@
-/*
- * ff-protocol-ff400.c - a part of driver for RME Fireface series
- *
- * Copyright (c) 2015-2017 Takashi Sakamoto
- *
- * Licensed under the terms of the GNU General Public License, version 2.
- */
-
-#include <linux/delay.h>
-#include "ff.h"
-
-#define FF400_STF 0x000080100500ull
-#define FF400_RX_PACKET_FORMAT 0x000080100504ull
-#define FF400_ISOC_COMM_START 0x000080100508ull
-#define FF400_TX_PACKET_FORMAT 0x00008010050cull
-#define FF400_ISOC_COMM_STOP 0x000080100510ull
-#define FF400_SYNC_STATUS 0x0000801c0000ull
-#define FF400_FETCH_PCM_FRAMES 0x0000801c0000ull /* For block request. */
-#define FF400_CLOCK_CONFIG 0x0000801c0004ull
-
-#define FF400_MIDI_HIGH_ADDR 0x0000801003f4ull
-#define FF400_MIDI_RX_PORT_0 0x000080180000ull
-#define FF400_MIDI_RX_PORT_1 0x000080190000ull
-
-static int ff400_get_clock(struct snd_ff *ff, unsigned int *rate,
- enum snd_ff_clock_src *src)
-{
- __le32 reg;
- u32 data;
- int err;
-
- err = snd_fw_transaction(ff->unit, TCODE_READ_QUADLET_REQUEST,
- FF400_SYNC_STATUS, &reg, sizeof(reg), 0);
- if (err < 0)
- return err;
- data = le32_to_cpu(reg);
-
- /* Calculate sampling rate. */
- switch ((data >> 1) & 0x03) {
- case 0x01:
- *rate = 32000;
- break;
- case 0x00:
- *rate = 44100;
- break;
- case 0x03:
- *rate = 48000;
- break;
- case 0x02:
- default:
- return -EIO;
- }
-
- if (data & 0x08)
- *rate *= 2;
- else if (data & 0x10)
- *rate *= 4;
-
- /* Calculate source of clock. */
- if (data & 0x01) {
- *src = SND_FF_CLOCK_SRC_INTERNAL;
- } else {
- /* TODO: 0x00, 0x01, 0x02, 0x06, 0x07? */
- switch ((data >> 10) & 0x07) {
- case 0x03:
- *src = SND_FF_CLOCK_SRC_SPDIF;
- break;
- case 0x04:
- *src = SND_FF_CLOCK_SRC_WORD;
- break;
- case 0x05:
- *src = SND_FF_CLOCK_SRC_LTC;
- break;
- case 0x00:
- default:
- *src = SND_FF_CLOCK_SRC_ADAT;
- break;
- }
- }
-
- return 0;
-}
-
-static int ff400_begin_session(struct snd_ff *ff, unsigned int rate)
-{
- __le32 reg;
- int i, err;
-
- /* Check whether the given value is supported or not. */
- for (i = 0; i < CIP_SFC_COUNT; i++) {
- if (amdtp_rate_table[i] == rate)
- break;
- }
- if (i == CIP_SFC_COUNT)
- return -EINVAL;
-
- /* Set the number of data blocks transferred in a second. */
- reg = cpu_to_le32(rate);
- err = snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,
- FF400_STF, &reg, sizeof(reg), 0);
- if (err < 0)
- return err;
-
- msleep(100);
-
- /*
- * Set isochronous channel and the number of quadlets of received
- * packets.
- */
- reg = cpu_to_le32(((ff->rx_stream.data_block_quadlets << 3) << 8) |
- ff->rx_resources.channel);
- err = snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,
- FF400_RX_PACKET_FORMAT, &reg, sizeof(reg), 0);
- if (err < 0)
- return err;
-
- /*
- * Set isochronous channel and the number of quadlets of transmitted
- * packet.
- */
- /* TODO: investigate the purpose of this 0x80. */
- reg = cpu_to_le32((0x80 << 24) |
- (ff->tx_resources.channel << 5) |
- (ff->tx_stream.data_block_quadlets));
- err = snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,
- FF400_TX_PACKET_FORMAT, &reg, sizeof(reg), 0);
- if (err < 0)
- return err;
-
- /* Allow to transmit packets. */
- reg = cpu_to_le32(0x00000001);
- return snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,
- FF400_ISOC_COMM_START, &reg, sizeof(reg), 0);
-}
-
-static void ff400_finish_session(struct snd_ff *ff)
-{
- __le32 reg;
-
- reg = cpu_to_le32(0x80000000);
- snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST,
- FF400_ISOC_COMM_STOP, &reg, sizeof(reg), 0);
-}
-
-static int ff400_switch_fetching_mode(struct snd_ff *ff, bool enable)
-{
- __le32 *reg;
- int i;
-
- reg = kzalloc(sizeof(__le32) * 18, GFP_KERNEL);
- if (reg == NULL)
- return -ENOMEM;
-
- if (enable) {
- /*
- * Each quadlet is corresponding to data channels in a data
- * blocks in reverse order. Precisely, quadlets for available
- * data channels should be enabled. Here, I take second best
- * to fetch PCM frames from all of data channels regardless of
- * stf.
- */
- for (i = 0; i < 18; ++i)
- reg[i] = cpu_to_le32(0x00000001);
- }
-
- return snd_fw_transaction(ff->unit, TCODE_WRITE_BLOCK_REQUEST,
- FF400_FETCH_PCM_FRAMES, reg,
- sizeof(__le32) * 18, 0);
-}
-
-static void ff400_dump_sync_status(struct snd_ff *ff,
- struct snd_info_buffer *buffer)
-{
- __le32 reg;
- u32 data;
- int err;
-
- err = snd_fw_transaction(ff->unit, TCODE_READ_QUADLET_REQUEST,
- FF400_SYNC_STATUS, &reg, sizeof(reg), 0);
- if (err < 0)
- return;
-
- data = le32_to_cpu(reg);
-
- snd_iprintf(buffer, "External source detection:\n");
-
- snd_iprintf(buffer, "Word Clock:");
- if ((data >> 24) & 0x20) {
- if ((data >> 24) & 0x40)
- snd_iprintf(buffer, "sync\n");
- else
- snd_iprintf(buffer, "lock\n");
- } else {
- snd_iprintf(buffer, "none\n");
- }
-
- snd_iprintf(buffer, "S/PDIF:");
- if ((data >> 16) & 0x10) {
- if ((data >> 16) & 0x04)
- snd_iprintf(buffer, "sync\n");
- else
- snd_iprintf(buffer, "lock\n");
- } else {
- snd_iprintf(buffer, "none\n");
- }
-
- snd_iprintf(buffer, "ADAT:");
- if ((data >> 8) & 0x04) {
- if ((data >> 8) & 0x10)
- snd_iprintf(buffer, "sync\n");
- else
- snd_iprintf(buffer, "lock\n");
- } else {
- snd_iprintf(buffer, "none\n");
- }
-
- snd_iprintf(buffer, "\nUsed external source:\n");
-
- if (((data >> 22) & 0x07) == 0x07) {
- snd_iprintf(buffer, "None\n");
- } else {
- switch ((data >> 22) & 0x07) {
- case 0x00:
- snd_iprintf(buffer, "ADAT:");
- break;
- case 0x03:
- snd_iprintf(buffer, "S/PDIF:");
- break;
- case 0x04:
- snd_iprintf(buffer, "Word:");
- break;
- case 0x07:
- snd_iprintf(buffer, "Nothing:");
- break;
- case 0x01:
- case 0x02:
- case 0x05:
- case 0x06:
- default:
- snd_iprintf(buffer, "unknown:");
- break;
- }
-
- if ((data >> 25) & 0x07) {
- switch ((data >> 25) & 0x07) {
- case 0x01:
- snd_iprintf(buffer, "32000\n");
- break;
- case 0x02:
- snd_iprintf(buffer, "44100\n");
- break;
- case 0x03:
- snd_iprintf(buffer, "48000\n");
- break;
- case 0x04:
- snd_iprintf(buffer, "64000\n");
- break;
- case 0x05:
- snd_iprintf(buffer, "88200\n");
- break;
- case 0x06:
- snd_iprintf(buffer, "96000\n");
- break;
- case 0x07:
- snd_iprintf(buffer, "128000\n");
- break;
- case 0x08:
- snd_iprintf(buffer, "176400\n");
- break;
- case 0x09:
- snd_iprintf(buffer, "192000\n");
- break;
- case 0x00:
- snd_iprintf(buffer, "unknown\n");
- break;
- }
- }
- }
-
- snd_iprintf(buffer, "Multiplied:");
- snd_iprintf(buffer, "%d\n", (data & 0x3ff) * 250);
-}
-
-static void ff400_dump_clock_config(struct snd_ff *ff,
- struct snd_info_buffer *buffer)
-{
- __le32 reg;
- u32 data;
- unsigned int rate;
- const char *src;
- int err;
-
- err = snd_fw_transaction(ff->unit, TCODE_READ_BLOCK_REQUEST,
- FF400_CLOCK_CONFIG, &reg, sizeof(reg), 0);
- if (err < 0)
- return;
-
- data = le32_to_cpu(reg);
-
- snd_iprintf(buffer, "Output S/PDIF format: %s (Emphasis: %s)\n",
- (data & 0x20) ? "Professional" : "Consumer",
- (data & 0x40) ? "on" : "off");
-
- snd_iprintf(buffer, "Optical output interface format: %s\n",
- ((data >> 8) & 0x01) ? "S/PDIF" : "ADAT");
-
- snd_iprintf(buffer, "Word output single speed: %s\n",
- ((data >> 8) & 0x20) ? "on" : "off");
-
- snd_iprintf(buffer, "S/PDIF input interface: %s\n",
- ((data >> 8) & 0x02) ? "Optical" : "Coaxial");
-
- switch ((data >> 1) & 0x03) {
- case 0x01:
- rate = 32000;
- break;
- case 0x00:
- rate = 44100;
- break;
- case 0x03:
- rate = 48000;
- break;
- case 0x02:
- default:
- return;
- }
-
- if (data & 0x08)
- rate *= 2;
- else if (data & 0x10)
- rate *= 4;
-
- snd_iprintf(buffer, "Sampling rate: %d\n", rate);
-
- if (data & 0x01) {
- src = "Internal";
- } else {
- switch ((data >> 10) & 0x07) {
- case 0x00:
- src = "ADAT";
- break;
- case 0x03:
- src = "S/PDIF";
- break;
- case 0x04:
- src = "Word";
- break;
- case 0x05:
- src = "LTC";
- break;
- default:
- return;
- }
- }
-
- snd_iprintf(buffer, "Sync to clock source: %s\n", src);
-}
-
-struct snd_ff_protocol snd_ff_protocol_ff400 = {
- .get_clock = ff400_get_clock,
- .begin_session = ff400_begin_session,
- .finish_session = ff400_finish_session,
- .switch_fetching_mode = ff400_switch_fetching_mode,
-
- .dump_sync_status = ff400_dump_sync_status,
- .dump_clock_config = ff400_dump_clock_config,
-
- .midi_high_addr_reg = FF400_MIDI_HIGH_ADDR,
- .midi_rx_port_0_reg = FF400_MIDI_RX_PORT_0,
- .midi_rx_port_1_reg = FF400_MIDI_RX_PORT_1,
-};
generated by cgit (git 2.34.1) at 2025-12-25 17:33:45 +0000