diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/audio/marvell_88w8618.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/audio/marvell_88w8618.c')
-rw-r--r-- | qemu/hw/audio/marvell_88w8618.c | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/qemu/hw/audio/marvell_88w8618.c b/qemu/hw/audio/marvell_88w8618.c deleted file mode 100644 index a6ca1806b..000000000 --- a/qemu/hw/audio/marvell_88w8618.c +++ /dev/null @@ -1,307 +0,0 @@ -/* - * Marvell 88w8618 audio emulation extracted from - * Marvell MV88w8618 / Freecom MusicPal emulation. - * - * Copyright (c) 2008 Jan Kiszka - * - * This code is licensed under the GNU GPL v2. - * - * Contributions after 2012-01-13 are licensed under the terms of the - * GNU GPL, version 2 or (at your option) any later version. - */ -#include "qemu/osdep.h" -#include "hw/sysbus.h" -#include "hw/hw.h" -#include "hw/i2c/i2c.h" -#include "audio/audio.h" - -#define MP_AUDIO_SIZE 0x00001000 - -/* Audio register offsets */ -#define MP_AUDIO_PLAYBACK_MODE 0x00 -#define MP_AUDIO_CLOCK_DIV 0x18 -#define MP_AUDIO_IRQ_STATUS 0x20 -#define MP_AUDIO_IRQ_ENABLE 0x24 -#define MP_AUDIO_TX_START_LO 0x28 -#define MP_AUDIO_TX_THRESHOLD 0x2C -#define MP_AUDIO_TX_STATUS 0x38 -#define MP_AUDIO_TX_START_HI 0x40 - -/* Status register and IRQ enable bits */ -#define MP_AUDIO_TX_HALF (1 << 6) -#define MP_AUDIO_TX_FULL (1 << 7) - -/* Playback mode bits */ -#define MP_AUDIO_16BIT_SAMPLE (1 << 0) -#define MP_AUDIO_PLAYBACK_EN (1 << 7) -#define MP_AUDIO_CLOCK_24MHZ (1 << 9) -#define MP_AUDIO_MONO (1 << 14) - -#define TYPE_MV88W8618_AUDIO "mv88w8618_audio" -#define MV88W8618_AUDIO(obj) \ - OBJECT_CHECK(mv88w8618_audio_state, (obj), TYPE_MV88W8618_AUDIO) - -typedef struct mv88w8618_audio_state { - SysBusDevice parent_obj; - - MemoryRegion iomem; - qemu_irq irq; - uint32_t playback_mode; - uint32_t status; - uint32_t irq_enable; - uint32_t phys_buf; - uint32_t target_buffer; - uint32_t threshold; - uint32_t play_pos; - uint32_t last_free; - uint32_t clock_div; - void *wm; -} mv88w8618_audio_state; - -static void mv88w8618_audio_callback(void *opaque, int free_out, int free_in) -{ - mv88w8618_audio_state *s = opaque; - int16_t *codec_buffer; - int8_t buf[4096]; - int8_t *mem_buffer; - int pos, block_size; - - if (!(s->playback_mode & MP_AUDIO_PLAYBACK_EN)) { - return; - } - if (s->playback_mode & MP_AUDIO_16BIT_SAMPLE) { - free_out <<= 1; - } - if (!(s->playback_mode & MP_AUDIO_MONO)) { - free_out <<= 1; - } - block_size = s->threshold / 2; - if (free_out - s->last_free < block_size) { - return; - } - if (block_size > 4096) { - return; - } - cpu_physical_memory_read(s->target_buffer + s->play_pos, buf, block_size); - mem_buffer = buf; - if (s->playback_mode & MP_AUDIO_16BIT_SAMPLE) { - if (s->playback_mode & MP_AUDIO_MONO) { - codec_buffer = wm8750_dac_buffer(s->wm, block_size >> 1); - for (pos = 0; pos < block_size; pos += 2) { - *codec_buffer++ = *(int16_t *)mem_buffer; - *codec_buffer++ = *(int16_t *)mem_buffer; - mem_buffer += 2; - } - } else { - memcpy(wm8750_dac_buffer(s->wm, block_size >> 2), - (uint32_t *)mem_buffer, block_size); - } - } else { - if (s->playback_mode & MP_AUDIO_MONO) { - codec_buffer = wm8750_dac_buffer(s->wm, block_size); - for (pos = 0; pos < block_size; pos++) { - *codec_buffer++ = cpu_to_le16(256 * *mem_buffer); - *codec_buffer++ = cpu_to_le16(256 * *mem_buffer++); - } - } else { - codec_buffer = wm8750_dac_buffer(s->wm, block_size >> 1); - for (pos = 0; pos < block_size; pos += 2) { - *codec_buffer++ = cpu_to_le16(256 * *mem_buffer++); - *codec_buffer++ = cpu_to_le16(256 * *mem_buffer++); - } - } - } - wm8750_dac_commit(s->wm); - - s->last_free = free_out - block_size; - - if (s->play_pos == 0) { - s->status |= MP_AUDIO_TX_HALF; - s->play_pos = block_size; - } else { - s->status |= MP_AUDIO_TX_FULL; - s->play_pos = 0; - } - - if (s->status & s->irq_enable) { - qemu_irq_raise(s->irq); - } -} - -static void mv88w8618_audio_clock_update(mv88w8618_audio_state *s) -{ - int rate; - - if (s->playback_mode & MP_AUDIO_CLOCK_24MHZ) { - rate = 24576000 / 64; /* 24.576MHz */ - } else { - rate = 11289600 / 64; /* 11.2896MHz */ - } - rate /= ((s->clock_div >> 8) & 0xff) + 1; - - wm8750_set_bclk_in(s->wm, rate); -} - -static uint64_t mv88w8618_audio_read(void *opaque, hwaddr offset, - unsigned size) -{ - mv88w8618_audio_state *s = opaque; - - switch (offset) { - case MP_AUDIO_PLAYBACK_MODE: - return s->playback_mode; - - case MP_AUDIO_CLOCK_DIV: - return s->clock_div; - - case MP_AUDIO_IRQ_STATUS: - return s->status; - - case MP_AUDIO_IRQ_ENABLE: - return s->irq_enable; - - case MP_AUDIO_TX_STATUS: - return s->play_pos >> 2; - - default: - return 0; - } -} - -static void mv88w8618_audio_write(void *opaque, hwaddr offset, - uint64_t value, unsigned size) -{ - mv88w8618_audio_state *s = opaque; - - switch (offset) { - case MP_AUDIO_PLAYBACK_MODE: - if (value & MP_AUDIO_PLAYBACK_EN && - !(s->playback_mode & MP_AUDIO_PLAYBACK_EN)) { - s->status = 0; - s->last_free = 0; - s->play_pos = 0; - } - s->playback_mode = value; - mv88w8618_audio_clock_update(s); - break; - - case MP_AUDIO_CLOCK_DIV: - s->clock_div = value; - s->last_free = 0; - s->play_pos = 0; - mv88w8618_audio_clock_update(s); - break; - - case MP_AUDIO_IRQ_STATUS: - s->status &= ~value; - break; - - case MP_AUDIO_IRQ_ENABLE: - s->irq_enable = value; - if (s->status & s->irq_enable) { - qemu_irq_raise(s->irq); - } - break; - - case MP_AUDIO_TX_START_LO: - s->phys_buf = (s->phys_buf & 0xFFFF0000) | (value & 0xFFFF); - s->target_buffer = s->phys_buf; - s->play_pos = 0; - s->last_free = 0; - break; - - case MP_AUDIO_TX_THRESHOLD: - s->threshold = (value + 1) * 4; - break; - - case MP_AUDIO_TX_START_HI: - s->phys_buf = (s->phys_buf & 0xFFFF) | (value << 16); - s->target_buffer = s->phys_buf; - s->play_pos = 0; - s->last_free = 0; - break; - } -} - -static void mv88w8618_audio_reset(DeviceState *d) -{ - mv88w8618_audio_state *s = MV88W8618_AUDIO(d); - - s->playback_mode = 0; - s->status = 0; - s->irq_enable = 0; - s->clock_div = 0; - s->threshold = 0; - s->phys_buf = 0; -} - -static const MemoryRegionOps mv88w8618_audio_ops = { - .read = mv88w8618_audio_read, - .write = mv88w8618_audio_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static int mv88w8618_audio_init(SysBusDevice *dev) -{ - mv88w8618_audio_state *s = MV88W8618_AUDIO(dev); - - sysbus_init_irq(dev, &s->irq); - - wm8750_data_req_set(s->wm, mv88w8618_audio_callback, s); - - memory_region_init_io(&s->iomem, OBJECT(s), &mv88w8618_audio_ops, s, - "audio", MP_AUDIO_SIZE); - sysbus_init_mmio(dev, &s->iomem); - - return 0; -} - -static const VMStateDescription mv88w8618_audio_vmsd = { - .name = "mv88w8618_audio", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_UINT32(playback_mode, mv88w8618_audio_state), - VMSTATE_UINT32(status, mv88w8618_audio_state), - VMSTATE_UINT32(irq_enable, mv88w8618_audio_state), - VMSTATE_UINT32(phys_buf, mv88w8618_audio_state), - VMSTATE_UINT32(target_buffer, mv88w8618_audio_state), - VMSTATE_UINT32(threshold, mv88w8618_audio_state), - VMSTATE_UINT32(play_pos, mv88w8618_audio_state), - VMSTATE_UINT32(last_free, mv88w8618_audio_state), - VMSTATE_UINT32(clock_div, mv88w8618_audio_state), - VMSTATE_END_OF_LIST() - } -}; - -static Property mv88w8618_audio_properties[] = { - DEFINE_PROP_PTR("wm8750", mv88w8618_audio_state, wm), - {/* end of list */}, -}; - -static void mv88w8618_audio_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - - k->init = mv88w8618_audio_init; - dc->reset = mv88w8618_audio_reset; - dc->vmsd = &mv88w8618_audio_vmsd; - dc->props = mv88w8618_audio_properties; - /* Reason: pointer property "wm8750" */ - dc->cannot_instantiate_with_device_add_yet = true; -} - -static const TypeInfo mv88w8618_audio_info = { - .name = TYPE_MV88W8618_AUDIO, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(mv88w8618_audio_state), - .class_init = mv88w8618_audio_class_init, -}; - -static void mv88w8618_register_types(void) -{ - type_register_static(&mv88w8618_audio_info); -} - -type_init(mv88w8618_register_types) |