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-rw-r--r--src/audio_core/hle/dsp.h148
1 files changed, 86 insertions, 62 deletions
diff --git a/src/audio_core/hle/dsp.h b/src/audio_core/hle/dsp.h
index 565f20b6f..0a0f60ac1 100644
--- a/src/audio_core/hle/dsp.h
+++ b/src/audio_core/hle/dsp.h
@@ -8,9 +8,7 @@
#include <cstddef>
#include <memory>
#include <type_traits>
-
#include "audio_core/hle/common.h"
-
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
@@ -23,15 +21,15 @@ class Sink;
namespace DSP {
namespace HLE {
-// The application-accessible region of DSP memory consists of two parts.
-// Both are marked as IO and have Read/Write permissions.
+// The application-accessible region of DSP memory consists of two parts. Both are marked as IO and
+// have Read/Write permissions.
//
// First Region: 0x1FF50000 (Size: 0x8000)
// Second Region: 0x1FF70000 (Size: 0x8000)
//
// The DSP reads from each region alternately based on the frame counter for each region much like a
-// double-buffer. The frame counter is located as the very last u16 of each region and is incremented
-// each audio tick.
+// double-buffer. The frame counter is located as the very last u16 of each region and is
+// incremented each audio tick.
constexpr VAddr region0_base = 0x1FF50000;
constexpr VAddr region1_base = 0x1FF70000;
@@ -56,6 +54,7 @@ struct u32_dsp {
void operator=(u32 new_value) {
storage = Convert(new_value);
}
+
private:
static constexpr u32 Convert(u32 value) {
return (value << 16) | (value >> 16);
@@ -89,13 +88,13 @@ static_assert(std::is_trivially_copyable<u32_dsp>::value, "u32_dsp isn't trivial
// #: This refers to the order in which they appear in the DspPipe::Audio DSP pipe.
// See also: DSP::HLE::PipeRead.
//
-// Note that the above addresses do vary slightly between audio firmwares observed; the addresses are
-// not fixed in stone. The addresses above are only an examplar; they're what this implementation
-// does and provides to applications.
+// Note that the above addresses do vary slightly between audio firmwares observed; the addresses
+// are not fixed in stone. The addresses above are only an examplar; they're what this
+// implementation does and provides to applications.
//
-// Application requests the DSP service to convert DSP addresses into ARM11 virtual addresses using the
-// ConvertProcessAddressFromDspDram service call. Applications seem to derive the addresses for the
-// second region via:
+// Application requests the DSP service to convert DSP addresses into ARM11 virtual addresses using
+// the ConvertProcessAddressFromDspDram service call. Applications seem to derive the addresses for
+// the second region via:
// second_region_dsp_addr = first_region_dsp_addr | 0x10000
//
// Applications maintain most of its own audio state, the memory region is used mainly for
@@ -103,21 +102,24 @@ static_assert(std::is_trivially_copyable<u32_dsp>::value, "u32_dsp isn't trivial
//
// In the documentation below, filter and effect transfer functions are specified in the z domain.
// (If you are more familiar with the Laplace transform, z = exp(sT). The z domain is the digital
-// frequency domain, just like how the s domain is the analog frequency domain.)
+// frequency domain, just like how the s domain is the analog frequency domain.)
#define INSERT_PADDING_DSPWORDS(num_words) INSERT_PADDING_BYTES(2 * (num_words))
// GCC versions < 5.0 do not implement std::is_trivially_copyable.
// Excluding MSVC because it has weird behaviour for std::is_trivially_copyable.
#if (__GNUC__ >= 5) || defined(__clang__)
- #define ASSERT_DSP_STRUCT(name, size) \
- static_assert(std::is_standard_layout<name>::value, "DSP structure " #name " doesn't use standard layout"); \
- static_assert(std::is_trivially_copyable<name>::value, "DSP structure " #name " isn't trivially copyable"); \
- static_assert(sizeof(name) == (size), "Unexpected struct size for DSP structure " #name)
+#define ASSERT_DSP_STRUCT(name, size) \
+ static_assert(std::is_standard_layout<name>::value, \
+ "DSP structure " #name " doesn't use standard layout"); \
+ static_assert(std::is_trivially_copyable<name>::value, \
+ "DSP structure " #name " isn't trivially copyable"); \
+ static_assert(sizeof(name) == (size), "Unexpected struct size for DSP structure " #name)
#else
- #define ASSERT_DSP_STRUCT(name, size) \
- static_assert(std::is_standard_layout<name>::value, "DSP structure " #name " doesn't use standard layout"); \
- static_assert(sizeof(name) == (size), "Unexpected struct size for DSP structure " #name)
+#define ASSERT_DSP_STRUCT(name, size) \
+ static_assert(std::is_standard_layout<name>::value, \
+ "DSP structure " #name " doesn't use standard layout"); \
+ static_assert(sizeof(name) == (size), "Unexpected struct size for DSP structure " #name)
#endif
struct SourceConfiguration {
@@ -130,7 +132,8 @@ struct SourceConfiguration {
BitField<0, 1, u32_le> format_dirty;
BitField<1, 1, u32_le> mono_or_stereo_dirty;
BitField<2, 1, u32_le> adpcm_coefficients_dirty;
- BitField<3, 1, u32_le> partial_embedded_buffer_dirty; ///< Tends to be set when a looped buffer is queued.
+ /// Tends to be set when a looped buffer is queued.
+ BitField<3, 1, u32_le> partial_embedded_buffer_dirty;
BitField<4, 1, u32_le> partial_reset_flag;
BitField<16, 1, u32_le> enable_dirty;
@@ -138,7 +141,8 @@ struct SourceConfiguration {
BitField<18, 1, u32_le> rate_multiplier_dirty;
BitField<19, 1, u32_le> buffer_queue_dirty;
BitField<20, 1, u32_le> loop_related_dirty;
- BitField<21, 1, u32_le> play_position_dirty; ///< Tends to also be set when embedded buffer is updated.
+ /// Tends to also be set when embedded buffer is updated.
+ BitField<21, 1, u32_le> play_position_dirty;
BitField<22, 1, u32_le> filters_enabled_dirty;
BitField<23, 1, u32_le> simple_filter_dirty;
BitField<24, 1, u32_le> biquad_filter_dirty;
@@ -153,9 +157,9 @@ struct SourceConfiguration {
// Gain control
/**
- * Gain is between 0.0-1.0. This determines how much will this source appear on
- * each of the 12 channels that feed into the intermediate mixers.
- * Each of the three intermediate mixers is fed two left and two right channels.
+ * Gain is between 0.0-1.0. This determines how much will this source appear on each of the
+ * 12 channels that feed into the intermediate mixers. Each of the three intermediate mixers
+ * is fed two left and two right channels.
*/
float_le gain[3][4];
@@ -167,7 +171,7 @@ struct SourceConfiguration {
enum class InterpolationMode : u8 {
Polyphase = 0,
Linear = 1,
- None = 2
+ None = 2,
};
InterpolationMode interpolation_mode;
@@ -191,8 +195,8 @@ struct SourceConfiguration {
* This is a normalised biquad filter (second-order).
* The transfer function of this filter is:
* H(z) = (b0 + b1 z^-1 + b2 z^-2) / (1 - a1 z^-1 - a2 z^-2)
- * Nintendo chose to negate the feedbackward coefficients. This differs from standard notation
- * as in: https://ccrma.stanford.edu/~jos/filters/Direct_Form_I.html
+ * Nintendo chose to negate the feedbackward coefficients. This differs from standard
+ * notation as in: https://ccrma.stanford.edu/~jos/filters/Direct_Form_I.html
* Values are signed fixed point with 14 fractional bits.
*/
struct BiquadFilter {
@@ -239,23 +243,24 @@ struct SourceConfiguration {
/// Is a looping buffer.
u8 is_looping;
- /// This value is shown in SourceStatus::previous_buffer_id when this buffer has finished.
- /// This allows the emulated application to tell what buffer is currently playing
+ /// This value is shown in SourceStatus::previous_buffer_id when this buffer has
+ /// finished. This allows the emulated application to tell what buffer is currently
+ /// playing.
u16_le buffer_id;
INSERT_PADDING_DSPWORDS(1);
};
- u16_le buffers_dirty; ///< Bitmap indicating which buffers are dirty (bit i -> buffers[i])
- Buffer buffers[4]; ///< Queued Buffers
+ u16_le buffers_dirty; ///< Bitmap indicating which buffers are dirty (bit i -> buffers[i])
+ Buffer buffers[4]; ///< Queued Buffers
// Playback controls
u32_dsp loop_related;
u8 enable;
INSERT_PADDING_BYTES(1);
- u16_le sync; ///< Application-side sync (See also: SourceStatus::sync)
- u32_dsp play_position; ///< Position. (Units: number of samples)
+ u16_le sync; ///< Application-side sync (See also: SourceStatus::sync)
+ u32_dsp play_position; ///< Position. (Units: number of samples)
INSERT_PADDING_DSPWORDS(2);
// Embedded Buffer
@@ -270,13 +275,13 @@ struct SourceConfiguration {
enum class MonoOrStereo : u16_le {
Mono = 1,
- Stereo = 2
+ Stereo = 2,
};
enum class Format : u16_le {
PCM8 = 0,
PCM16 = 1,
- ADPCM = 2
+ ADPCM = 2,
};
union {
@@ -299,10 +304,11 @@ struct SourceConfiguration {
union {
u16_le flags2_raw;
BitField<0, 1, u16_le> adpcm_dirty; ///< Has the ADPCM info above been changed?
- BitField<1, 1, u16_le> is_looping; ///< Is this a looping buffer?
+ BitField<1, 1, u16_le> is_looping; ///< Is this a looping buffer?
};
- /// Buffer id of embedded buffer (used as a buffer id in SourceStatus to reference this buffer).
+ /// Buffer id of embedded buffer (used as a buffer id in SourceStatus to reference this
+ /// buffer).
u16_le buffer_id;
};
@@ -313,11 +319,11 @@ ASSERT_DSP_STRUCT(SourceConfiguration::Configuration::Buffer, 20);
struct SourceStatus {
struct Status {
- u8 is_enabled; ///< Is this channel enabled? (Doesn't have to be playing anything.)
- u8 current_buffer_id_dirty; ///< Non-zero when current_buffer_id changes
- u16_le sync; ///< Is set by the DSP to the value of SourceConfiguration::sync
- u32_dsp buffer_position; ///< Number of samples into the current buffer
- u16_le current_buffer_id; ///< Updated when a buffer finishes playing
+ u8 is_enabled; ///< Is this channel enabled? (Doesn't have to be playing anything.)
+ u8 current_buffer_id_dirty; ///< Non-zero when current_buffer_id changes
+ u16_le sync; ///< Is set by the DSP to the value of SourceConfiguration::sync
+ u32_dsp buffer_position; ///< Number of samples into the current buffer
+ u16_le current_buffer_id; ///< Updated when a buffer finishes playing
INSERT_PADDING_DSPWORDS(1);
};
@@ -347,7 +353,8 @@ struct DspConfiguration {
BitField<28, 1, u32_le> headphones_connected_dirty;
};
- /// The DSP has three intermediate audio mixers. This controls the volume level (0.0-1.0) for each at the final mixer
+ /// The DSP has three intermediate audio mixers. This controls the volume level (0.0-1.0) for
+ /// each at the final mixer.
float_le volume[3];
INSERT_PADDING_DSPWORDS(3);
@@ -355,7 +362,7 @@ struct DspConfiguration {
enum class OutputFormat : u16_le {
Mono = 0,
Stereo = 1,
- Surround = 2
+ Surround = 2,
};
OutputFormat output_format;
@@ -388,8 +395,10 @@ struct DspConfiguration {
u16_le enable;
INSERT_PADDING_DSPWORDS(1);
u16_le outputs;
- u32_dsp work_buffer_address; ///< The application allocates a block of memory for the DSP to use as a work buffer.
- u16_le frame_count; ///< Frames to delay by
+ /// The application allocates a block of memory for the DSP to use as a work buffer.
+ u32_dsp work_buffer_address;
+ /// Frames to delay by
+ u16_le frame_count;
// Coefficients
s16_le g; ///< Fixed point with 7 fractional bits
@@ -506,21 +515,36 @@ ASSERT_DSP_STRUCT(SharedMemory, 0x8000);
extern std::array<SharedMemory, 2> g_regions;
// Structures must have an offset that is a multiple of two.
-static_assert(offsetof(SharedMemory, frame_counter) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, source_configurations) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, source_statuses) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, adpcm_coefficients) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, dsp_configuration) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, dsp_status) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, final_samples) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, intermediate_mix_samples) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, compressor) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, dsp_debug) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, unknown10) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, unknown11) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, unknown12) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, unknown13) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
-static_assert(offsetof(SharedMemory, unknown14) % 2 == 0, "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, frame_counter) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, source_configurations) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, source_statuses) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, adpcm_coefficients) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, dsp_configuration) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, dsp_status) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, final_samples) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, intermediate_mix_samples) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, compressor) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, dsp_debug) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, unknown10) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, unknown11) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, unknown12) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, unknown13) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
+static_assert(offsetof(SharedMemory, unknown14) % 2 == 0,
+ "Structures in DSP::HLE::SharedMemory must be 2-byte aligned");
#undef INSERT_PADDING_DSPWORDS
#undef ASSERT_DSP_STRUCT
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-15 12:29:09 +0000