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