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322 lines
8.6 KiB
322 lines
8.6 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* bebob_focusrite.c - a part of driver for BeBoB based devices |
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* |
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* Copyright (c) 2013-2014 Takashi Sakamoto |
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*/ |
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#include "./bebob.h" |
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#define ANA_IN "Analog In" |
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#define DIG_IN "Digital In" |
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#define ANA_OUT "Analog Out" |
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#define DIG_OUT "Digital Out" |
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#define STM_IN "Stream In" |
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#define SAFFIRE_ADDRESS_BASE 0x000100000000ULL |
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#define SAFFIRE_OFFSET_CLOCK_SOURCE 0x00f8 |
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#define SAFFIREPRO_OFFSET_CLOCK_SOURCE 0x0174 |
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/* whether sync to external device or not */ |
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#define SAFFIRE_OFFSET_CLOCK_SYNC_EXT 0x013c |
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#define SAFFIRE_LE_OFFSET_CLOCK_SYNC_EXT 0x0432 |
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#define SAFFIREPRO_OFFSET_CLOCK_SYNC_EXT 0x0164 |
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#define SAFFIRE_CLOCK_SOURCE_INTERNAL 0 |
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#define SAFFIRE_CLOCK_SOURCE_SPDIF 1 |
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/* clock sources as returned from register of Saffire Pro 10 and 26 */ |
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#define SAFFIREPRO_CLOCK_SOURCE_SELECT_MASK 0x000000ff |
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#define SAFFIREPRO_CLOCK_SOURCE_DETECT_MASK 0x0000ff00 |
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#define SAFFIREPRO_CLOCK_SOURCE_INTERNAL 0 |
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#define SAFFIREPRO_CLOCK_SOURCE_SKIP 1 /* never used on hardware */ |
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#define SAFFIREPRO_CLOCK_SOURCE_SPDIF 2 |
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#define SAFFIREPRO_CLOCK_SOURCE_ADAT1 3 /* not used on s.pro. 10 */ |
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#define SAFFIREPRO_CLOCK_SOURCE_ADAT2 4 /* not used on s.pro. 10 */ |
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#define SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK 5 |
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#define SAFFIREPRO_CLOCK_SOURCE_COUNT 6 |
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/* S/PDIF, ADAT1, ADAT2 is enabled or not. three quadlets */ |
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#define SAFFIREPRO_ENABLE_DIG_IFACES 0x01a4 |
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/* saffirepro has its own parameter for sampling frequency */ |
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#define SAFFIREPRO_RATE_NOREBOOT 0x01cc |
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/* index is the value for this register */ |
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static const unsigned int rates[] = { |
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[0] = 0, |
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[1] = 44100, |
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[2] = 48000, |
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[3] = 88200, |
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[4] = 96000, |
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[5] = 176400, |
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[6] = 192000 |
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}; |
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/* saffire(no label)/saffire LE has metering */ |
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#define SAFFIRE_OFFSET_METER 0x0100 |
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#define SAFFIRE_LE_OFFSET_METER 0x0168 |
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static inline int |
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saffire_read_block(struct snd_bebob *bebob, u64 offset, |
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u32 *buf, unsigned int size) |
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{ |
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unsigned int i; |
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int err; |
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__be32 *tmp = (__be32 *)buf; |
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err = snd_fw_transaction(bebob->unit, TCODE_READ_BLOCK_REQUEST, |
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SAFFIRE_ADDRESS_BASE + offset, |
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tmp, size, 0); |
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if (err < 0) |
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goto end; |
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for (i = 0; i < size / sizeof(u32); i++) |
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buf[i] = be32_to_cpu(tmp[i]); |
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end: |
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return err; |
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} |
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static inline int |
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saffire_read_quad(struct snd_bebob *bebob, u64 offset, u32 *value) |
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{ |
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int err; |
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__be32 tmp; |
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err = snd_fw_transaction(bebob->unit, TCODE_READ_QUADLET_REQUEST, |
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SAFFIRE_ADDRESS_BASE + offset, |
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&tmp, sizeof(__be32), 0); |
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if (err < 0) |
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goto end; |
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*value = be32_to_cpu(tmp); |
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end: |
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return err; |
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} |
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static inline int |
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saffire_write_quad(struct snd_bebob *bebob, u64 offset, u32 value) |
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{ |
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__be32 data = cpu_to_be32(value); |
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return snd_fw_transaction(bebob->unit, TCODE_WRITE_QUADLET_REQUEST, |
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SAFFIRE_ADDRESS_BASE + offset, |
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&data, sizeof(__be32), 0); |
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} |
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static const enum snd_bebob_clock_type saffirepro_10_clk_src_types[] = { |
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SND_BEBOB_CLOCK_TYPE_INTERNAL, |
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SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* S/PDIF */ |
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SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* Word Clock */ |
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}; |
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static const enum snd_bebob_clock_type saffirepro_26_clk_src_types[] = { |
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SND_BEBOB_CLOCK_TYPE_INTERNAL, |
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SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* S/PDIF */ |
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SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* ADAT1 */ |
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SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* ADAT2 */ |
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SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* Word Clock */ |
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}; |
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/* Value maps between registers and labels for SaffirePro 10/26. */ |
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static const signed char saffirepro_clk_maps[][SAFFIREPRO_CLOCK_SOURCE_COUNT] = { |
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/* SaffirePro 10 */ |
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[0] = { |
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[SAFFIREPRO_CLOCK_SOURCE_INTERNAL] = 0, |
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[SAFFIREPRO_CLOCK_SOURCE_SKIP] = -1, /* not supported */ |
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[SAFFIREPRO_CLOCK_SOURCE_SPDIF] = 1, |
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[SAFFIREPRO_CLOCK_SOURCE_ADAT1] = -1, /* not supported */ |
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[SAFFIREPRO_CLOCK_SOURCE_ADAT2] = -1, /* not supported */ |
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[SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK] = 2, |
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}, |
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/* SaffirePro 26 */ |
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[1] = { |
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[SAFFIREPRO_CLOCK_SOURCE_INTERNAL] = 0, |
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[SAFFIREPRO_CLOCK_SOURCE_SKIP] = -1, /* not supported */ |
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[SAFFIREPRO_CLOCK_SOURCE_SPDIF] = 1, |
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[SAFFIREPRO_CLOCK_SOURCE_ADAT1] = 2, |
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[SAFFIREPRO_CLOCK_SOURCE_ADAT2] = 3, |
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[SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK] = 4, |
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} |
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}; |
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static int |
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saffirepro_both_clk_freq_get(struct snd_bebob *bebob, unsigned int *rate) |
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{ |
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u32 id; |
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int err; |
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err = saffire_read_quad(bebob, SAFFIREPRO_RATE_NOREBOOT, &id); |
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if (err < 0) |
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goto end; |
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if (id >= ARRAY_SIZE(rates)) |
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err = -EIO; |
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else |
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*rate = rates[id]; |
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end: |
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return err; |
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} |
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static int |
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saffirepro_both_clk_freq_set(struct snd_bebob *bebob, unsigned int rate) |
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{ |
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u32 id; |
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for (id = 0; id < ARRAY_SIZE(rates); id++) { |
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if (rates[id] == rate) |
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break; |
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} |
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if (id == ARRAY_SIZE(rates)) |
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return -EINVAL; |
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return saffire_write_quad(bebob, SAFFIREPRO_RATE_NOREBOOT, id); |
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} |
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/* |
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* query hardware for current clock source, return our internally |
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* used clock index in *id, depending on hardware. |
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*/ |
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static int |
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saffirepro_both_clk_src_get(struct snd_bebob *bebob, unsigned int *id) |
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{ |
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int err; |
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u32 value; /* clock source read from hw register */ |
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const signed char *map; |
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err = saffire_read_quad(bebob, SAFFIREPRO_OFFSET_CLOCK_SOURCE, &value); |
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if (err < 0) |
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goto end; |
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/* depending on hardware, use a different mapping */ |
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if (bebob->spec->clock->types == saffirepro_10_clk_src_types) |
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map = saffirepro_clk_maps[0]; |
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else |
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map = saffirepro_clk_maps[1]; |
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/* In a case that this driver cannot handle the value of register. */ |
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value &= SAFFIREPRO_CLOCK_SOURCE_SELECT_MASK; |
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if (value >= SAFFIREPRO_CLOCK_SOURCE_COUNT || map[value] < 0) { |
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err = -EIO; |
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goto end; |
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} |
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*id = (unsigned int)map[value]; |
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end: |
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return err; |
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} |
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const struct snd_bebob_spec saffire_le_spec; |
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static const enum snd_bebob_clock_type saffire_both_clk_src_types[] = { |
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SND_BEBOB_CLOCK_TYPE_INTERNAL, |
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SND_BEBOB_CLOCK_TYPE_EXTERNAL, |
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}; |
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static int |
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saffire_both_clk_src_get(struct snd_bebob *bebob, unsigned int *id) |
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{ |
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int err; |
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u32 value; |
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err = saffire_read_quad(bebob, SAFFIRE_OFFSET_CLOCK_SOURCE, &value); |
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if (err >= 0) |
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*id = 0xff & value; |
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return err; |
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}; |
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static const char *const saffire_le_meter_labels[] = { |
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ANA_IN, ANA_IN, DIG_IN, |
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ANA_OUT, ANA_OUT, ANA_OUT, ANA_OUT, |
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STM_IN, STM_IN |
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}; |
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static const char *const saffire_meter_labels[] = { |
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ANA_IN, ANA_IN, |
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STM_IN, STM_IN, STM_IN, STM_IN, STM_IN, |
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}; |
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static int |
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saffire_meter_get(struct snd_bebob *bebob, u32 *buf, unsigned int size) |
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{ |
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const struct snd_bebob_meter_spec *spec = bebob->spec->meter; |
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unsigned int channels; |
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u64 offset; |
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int err; |
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if (spec->labels == saffire_le_meter_labels) |
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offset = SAFFIRE_LE_OFFSET_METER; |
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else |
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offset = SAFFIRE_OFFSET_METER; |
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channels = spec->num * 2; |
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if (size < channels * sizeof(u32)) |
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return -EIO; |
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err = saffire_read_block(bebob, offset, buf, size); |
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if (err >= 0 && spec->labels == saffire_le_meter_labels) { |
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swap(buf[1], buf[3]); |
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swap(buf[2], buf[3]); |
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swap(buf[3], buf[4]); |
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swap(buf[7], buf[10]); |
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swap(buf[8], buf[10]); |
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swap(buf[9], buf[11]); |
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swap(buf[11], buf[12]); |
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swap(buf[15], buf[16]); |
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} |
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return err; |
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} |
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static const struct snd_bebob_rate_spec saffirepro_both_rate_spec = { |
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.get = &saffirepro_both_clk_freq_get, |
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.set = &saffirepro_both_clk_freq_set, |
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}; |
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/* Saffire Pro 26 I/O */ |
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static const struct snd_bebob_clock_spec saffirepro_26_clk_spec = { |
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.num = ARRAY_SIZE(saffirepro_26_clk_src_types), |
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.types = saffirepro_26_clk_src_types, |
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.get = &saffirepro_both_clk_src_get, |
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}; |
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const struct snd_bebob_spec saffirepro_26_spec = { |
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.clock = &saffirepro_26_clk_spec, |
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.rate = &saffirepro_both_rate_spec, |
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.meter = NULL |
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}; |
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/* Saffire Pro 10 I/O */ |
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static const struct snd_bebob_clock_spec saffirepro_10_clk_spec = { |
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.num = ARRAY_SIZE(saffirepro_10_clk_src_types), |
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.types = saffirepro_10_clk_src_types, |
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.get = &saffirepro_both_clk_src_get, |
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}; |
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const struct snd_bebob_spec saffirepro_10_spec = { |
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.clock = &saffirepro_10_clk_spec, |
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.rate = &saffirepro_both_rate_spec, |
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.meter = NULL |
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}; |
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static const struct snd_bebob_rate_spec saffire_both_rate_spec = { |
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.get = &snd_bebob_stream_get_rate, |
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.set = &snd_bebob_stream_set_rate, |
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}; |
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static const struct snd_bebob_clock_spec saffire_both_clk_spec = { |
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.num = ARRAY_SIZE(saffire_both_clk_src_types), |
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.types = saffire_both_clk_src_types, |
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.get = &saffire_both_clk_src_get, |
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}; |
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/* Saffire LE */ |
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static const struct snd_bebob_meter_spec saffire_le_meter_spec = { |
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.num = ARRAY_SIZE(saffire_le_meter_labels), |
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.labels = saffire_le_meter_labels, |
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.get = &saffire_meter_get, |
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}; |
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const struct snd_bebob_spec saffire_le_spec = { |
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.clock = &saffire_both_clk_spec, |
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.rate = &saffire_both_rate_spec, |
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.meter = &saffire_le_meter_spec |
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}; |
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/* Saffire */ |
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static const struct snd_bebob_meter_spec saffire_meter_spec = { |
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.num = ARRAY_SIZE(saffire_meter_labels), |
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.labels = saffire_meter_labels, |
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.get = &saffire_meter_get, |
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}; |
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const struct snd_bebob_spec saffire_spec = { |
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.clock = &saffire_both_clk_spec, |
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.rate = &saffire_both_rate_spec, |
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.meter = &saffire_meter_spec |
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};
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