diff options
| -rw-r--r-- | sound/firewire/Kconfig | 1 | ||||
| -rw-r--r-- | sound/firewire/fireface/Makefile | 3 | ||||
| -rw-r--r-- | sound/firewire/fireface/ff-protocol-latter.c | 273 | ||||
| -rw-r--r-- | sound/firewire/fireface/ff.c | 41 | ||||
| -rw-r--r-- | sound/firewire/fireface/ff.h | 1 |
5 files changed, 310 insertions, 9 deletions
diff --git a/sound/firewire/Kconfig b/sound/firewire/Kconfig index 052e00590259..b9e96d0b3a0a 100644 --- a/sound/firewire/Kconfig +++ b/sound/firewire/Kconfig @@ -163,5 +163,6 @@ config SND_FIREFACE Say Y here to include support for RME fireface series. * Fireface 400 * Fireface 800 + * Fireface UCX endif # SND_FIREWIRE diff --git a/sound/firewire/fireface/Makefile b/sound/firewire/fireface/Makefile index 62eb78962b93..d64f4e2a1096 100644 --- a/sound/firewire/fireface/Makefile +++ b/sound/firewire/fireface/Makefile @@ -1,3 +1,4 @@ snd-fireface-objs := ff.o ff-transaction.o ff-midi.o ff-proc.o amdtp-ff.o \ - ff-stream.o ff-pcm.o ff-hwdep.o ff-protocol-former.o + ff-stream.o ff-pcm.o ff-hwdep.o ff-protocol-former.o \ + ff-protocol-latter.o obj-$(CONFIG_SND_FIREFACE) += snd-fireface.o diff --git a/sound/firewire/fireface/ff-protocol-latter.c b/sound/firewire/fireface/ff-protocol-latter.c new file mode 100644 index 000000000000..64767ba439db --- /dev/null +++ b/sound/firewire/fireface/ff-protocol-latter.c @@ -0,0 +1,273 @@ +// SPDX-License-Identifier: GPL-2.0 +// ff-protocol-latter - a part of driver for RME Fireface series +// +// Copyright (c) 2019 Takashi Sakamoto +// +// Licensed under the terms of the GNU General Public License, version 2. + +#include <linux/delay.h> + +#include "ff.h" + +#define LATTER_STF 0xffff00000004 +#define LATTER_ISOC_CHANNELS 0xffff00000008 +#define LATTER_ISOC_START 0xffff0000000c +#define LATTER_FETCH_MODE 0xffff00000010 +#define LATTER_SYNC_STATUS 0x0000801c0000 + +static int parse_clock_bits(u32 data, unsigned int *rate, + enum snd_ff_clock_src *src) +{ + static const struct { + unsigned int rate; + u32 flag; + } *rate_entry, rate_entries[] = { + { 32000, 0x00000000, }, + { 44100, 0x01000000, }, + { 48000, 0x02000000, }, + { 64000, 0x04000000, }, + { 88200, 0x05000000, }, + { 96000, 0x06000000, }, + { 128000, 0x08000000, }, + { 176400, 0x09000000, }, + { 192000, 0x0a000000, }, + }; + static const struct { + enum snd_ff_clock_src src; + u32 flag; + } *clk_entry, clk_entries[] = { + { SND_FF_CLOCK_SRC_SPDIF, 0x00000200, }, + { SND_FF_CLOCK_SRC_ADAT1, 0x00000400, }, + { SND_FF_CLOCK_SRC_WORD, 0x00000600, }, + { SND_FF_CLOCK_SRC_INTERNAL, 0x00000e00, }, + }; + int i; + + for (i = 0; i < ARRAY_SIZE(rate_entries); ++i) { + rate_entry = rate_entries + i; + if ((data & 0x0f000000) == rate_entry->flag) { + *rate = rate_entry->rate; + break; + } + } + if (i == ARRAY_SIZE(rate_entries)) + return -EIO; + + for (i = 0; i < ARRAY_SIZE(clk_entries); ++i) { + clk_entry = clk_entries + i; + if ((data & 0x000e00) == clk_entry->flag) { + *src = clk_entry->src; + break; + } + } + if (i == ARRAY_SIZE(clk_entries)) + return -EIO; + + return 0; +} + +static int latter_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, + LATTER_SYNC_STATUS, ®, sizeof(reg), 0); + if (err < 0) + return err; + data = le32_to_cpu(reg); + + return parse_clock_bits(data, rate, src); +} + +static int latter_switch_fetching_mode(struct snd_ff *ff, bool enable) +{ + u32 data; + __le32 reg; + + if (enable) + data = 0x00000000; + else + data = 0xffffffff; + reg = cpu_to_le32(data); + + return snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST, + LATTER_FETCH_MODE, ®, sizeof(reg), 0); +} + +static int keep_resources(struct snd_ff *ff, unsigned int rate) +{ + enum snd_ff_stream_mode mode; + int i; + int 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; + + err = snd_ff_stream_get_multiplier_mode(i, &mode); + if (err < 0) + return err; + + /* Keep resources for in-stream. */ + ff->tx_resources.channels_mask = 0x00000000000000ffuLL; + err = fw_iso_resources_allocate(&ff->tx_resources, + amdtp_stream_get_max_payload(&ff->tx_stream), + fw_parent_device(ff->unit)->max_speed); + if (err < 0) + return err; + + /* Keep resources for out-stream. */ + ff->rx_resources.channels_mask = 0x00000000000000ffuLL; + err = fw_iso_resources_allocate(&ff->rx_resources, + amdtp_stream_get_max_payload(&ff->rx_stream), + fw_parent_device(ff->unit)->max_speed); + if (err < 0) + fw_iso_resources_free(&ff->tx_resources); + + return err; +} + +static int latter_begin_session(struct snd_ff *ff, unsigned int rate) +{ + static const struct { + unsigned int stf; + unsigned int code; + unsigned int flag; + } *entry, rate_table[] = { + { 32000, 0x00, 0x92, }, + { 44100, 0x02, 0x92, }, + { 48000, 0x04, 0x92, }, + { 64000, 0x08, 0x8e, }, + { 88200, 0x0a, 0x8e, }, + { 96000, 0x0c, 0x8e, }, + { 128000, 0x10, 0x8c, }, + { 176400, 0x12, 0x8c, }, + { 192000, 0x14, 0x8c, }, + }; + u32 data; + __le32 reg; + unsigned int count; + int i; + int err; + + for (i = 0; i < ARRAY_SIZE(rate_table); ++i) { + entry = rate_table + i; + if (entry->stf == rate) + break; + } + if (i == ARRAY_SIZE(rate_table)) + return -EINVAL; + + reg = cpu_to_le32(entry->code); + err = snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST, + LATTER_STF, ®, sizeof(reg), 0); + if (err < 0) + return err; + + // Confirm to shift transmission clock. + count = 0; + while (count++ < 10) { + unsigned int curr_rate; + enum snd_ff_clock_src src; + + err = latter_get_clock(ff, &curr_rate, &src); + if (err < 0) + return err; + + if (curr_rate == rate) + break; + } + if (count == 10) + return -ETIMEDOUT; + + err = keep_resources(ff, rate); + if (err < 0) + return err; + + data = (ff->tx_resources.channel << 8) | ff->rx_resources.channel; + reg = cpu_to_le32(data); + err = snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST, + LATTER_ISOC_CHANNELS, ®, sizeof(reg), 0); + if (err < 0) + return err; + + // Always use the maximum number of data channels in data block of + // packet. + reg = cpu_to_le32(entry->flag); + return snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST, + LATTER_ISOC_START, ®, sizeof(reg), 0); +} + +static void latter_finish_session(struct snd_ff *ff) +{ + __le32 reg; + + reg = cpu_to_le32(0x00000000); + snd_fw_transaction(ff->unit, TCODE_WRITE_QUADLET_REQUEST, + LATTER_ISOC_START, ®, sizeof(reg), 0); +} + +static void latter_dump_status(struct snd_ff *ff, struct snd_info_buffer *buffer) +{ + static const struct { + char *const label; + u32 locked_mask; + u32 synced_mask; + } *clk_entry, clk_entries[] = { + { "S/PDIF", 0x00000001, 0x00000010, }, + { "ADAT", 0x00000002, 0x00000020, }, + { "WDClk", 0x00000004, 0x00000040, }, + }; + __le32 reg; + u32 data; + unsigned int rate; + enum snd_ff_clock_src src; + const char *label; + int i; + int err; + + err = snd_fw_transaction(ff->unit, TCODE_READ_QUADLET_REQUEST, + LATTER_SYNC_STATUS, ®, sizeof(reg), 0); + if (err < 0) + return; + data = le32_to_cpu(reg); + + snd_iprintf(buffer, "External source detection:\n"); + + for (i = 0; i < ARRAY_SIZE(clk_entries); ++i) { + clk_entry = clk_entries + i; + snd_iprintf(buffer, "%s: ", clk_entry->label); + if (data & clk_entry->locked_mask) { + if (data & clk_entry->synced_mask) + snd_iprintf(buffer, "sync\n"); + else + snd_iprintf(buffer, "lock\n"); + } else { + snd_iprintf(buffer, "none\n"); + } + } + + err = parse_clock_bits(data, &rate, &src); + if (err < 0) + return; + label = snd_ff_proc_get_clk_label(src); + if (!label) + return; + + snd_iprintf(buffer, "Referred clock: %s %d\n", label, rate); +} + +const struct snd_ff_protocol snd_ff_protocol_latter = { + .get_clock = latter_get_clock, + .switch_fetching_mode = latter_switch_fetching_mode, + .begin_session = latter_begin_session, + .finish_session = latter_finish_session, + .dump_status = latter_dump_status, +}; diff --git a/sound/firewire/fireface/ff.c b/sound/firewire/fireface/ff.c index 36575f4159d1..fd9c980e3cf4 100644 --- a/sound/firewire/fireface/ff.c +++ b/sound/firewire/fireface/ff.c @@ -32,7 +32,8 @@ static void ff_card_free(struct snd_card *card) struct snd_ff *ff = card->private_data; snd_ff_stream_destroy_duplex(ff); - snd_ff_transaction_unregister(ff); + if (ff->spec->midi_high_addr > 0) + snd_ff_transaction_unregister(ff); } static void do_registration(struct work_struct *work) @@ -50,9 +51,11 @@ static void do_registration(struct work_struct *work) ff->card->private_free = ff_card_free; ff->card->private_data = ff; - err = snd_ff_transaction_register(ff); - if (err < 0) - goto error; + if (ff->spec->midi_high_addr > 0) { + err = snd_ff_transaction_register(ff); + if (err < 0) + goto error; + } name_card(ff); @@ -62,9 +65,11 @@ static void do_registration(struct work_struct *work) snd_ff_proc_init(ff); - err = snd_ff_create_midi_devices(ff); - if (err < 0) - goto error; + if (ff->spec->midi_in_ports > 0 || ff->spec->midi_out_ports > 0) { + err = snd_ff_create_midi_devices(ff); + if (err < 0) + goto error; + } err = snd_ff_create_pcm_devices(ff); if (err < 0) @@ -119,7 +124,8 @@ static void snd_ff_update(struct fw_unit *unit) if (!ff->registered) snd_fw_schedule_registration(unit, &ff->dwork); - snd_ff_transaction_reregister(ff); + if (ff->spec->midi_high_addr > 0) + snd_ff_transaction_reregister(ff); if (ff->registered) snd_ff_stream_update_duplex(ff); @@ -165,6 +171,13 @@ static const struct snd_ff_spec spec_ff400 = { .midi_high_addr = 0x0000801003f4ull, }; +static const struct snd_ff_spec spec_ucx = { + .name = "FirefaceUCX", + .pcm_capture_channels = {18, 14, 12}, + .pcm_playback_channels = {18, 14, 12}, + .protocol = &snd_ff_protocol_latter, +}; + static const struct ieee1394_device_id snd_ff_id_table[] = { /* Fireface 800 */ { @@ -190,6 +203,18 @@ static const struct ieee1394_device_id snd_ff_id_table[] = { .model_id = 0x101800, .driver_data = (kernel_ulong_t)&spec_ff400, }, + // Fireface UCX. + { + .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_SPECIFIER_ID | + IEEE1394_MATCH_VERSION | + IEEE1394_MATCH_MODEL_ID, + .vendor_id = OUI_RME, + .specifier_id = OUI_RME, + .version = 0x000004, + .model_id = 0x101800, + .driver_data = (kernel_ulong_t)&spec_ucx, + }, {} }; MODULE_DEVICE_TABLE(ieee1394, snd_ff_id_table); diff --git a/sound/firewire/fireface/ff.h b/sound/firewire/fireface/ff.h index cdb16e931c31..8aea7920b57f 100644 --- a/sound/firewire/fireface/ff.h +++ b/sound/firewire/fireface/ff.h @@ -114,6 +114,7 @@ struct snd_ff_protocol { extern const struct snd_ff_protocol snd_ff_protocol_ff800; extern const struct snd_ff_protocol snd_ff_protocol_ff400; +extern const struct snd_ff_protocol snd_ff_protocol_latter; int snd_ff_transaction_register(struct snd_ff *ff); int snd_ff_transaction_reregister(struct snd_ff *ff); |