diff options
author | 2017-04-25 03:31:15 -0700 | |
---|---|---|
committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/audio/wm8750.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/wm8750.c')
-rw-r--r-- | qemu/hw/audio/wm8750.c | 723 |
1 files changed, 0 insertions, 723 deletions
diff --git a/qemu/hw/audio/wm8750.c b/qemu/hw/audio/wm8750.c deleted file mode 100644 index 0c6500e96..000000000 --- a/qemu/hw/audio/wm8750.c +++ /dev/null @@ -1,723 +0,0 @@ -/* - * WM8750 audio CODEC. - * - * Copyright (c) 2006 Openedhand Ltd. - * Written by Andrzej Zaborowski <balrog@zabor.org> - * - * This file is licensed under GNU GPL. - */ - -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "hw/i2c/i2c.h" -#include "audio/audio.h" - -#define IN_PORT_N 3 -#define OUT_PORT_N 3 - -#define CODEC "wm8750" - -typedef struct { - int adc; - int adc_hz; - int dac; - int dac_hz; -} WMRate; - -#define TYPE_WM8750 "wm8750" -#define WM8750(obj) OBJECT_CHECK(WM8750State, (obj), TYPE_WM8750) - -typedef struct WM8750State { - I2CSlave parent_obj; - - uint8_t i2c_data[2]; - int i2c_len; - QEMUSoundCard card; - SWVoiceIn *adc_voice[IN_PORT_N]; - SWVoiceOut *dac_voice[OUT_PORT_N]; - int enable; - void (*data_req)(void *, int, int); - void *opaque; - uint8_t data_in[4096]; - uint8_t data_out[4096]; - int idx_in, req_in; - int idx_out, req_out; - - SWVoiceOut **out[2]; - uint8_t outvol[7], outmute[2]; - SWVoiceIn **in[2]; - uint8_t invol[4], inmute[2]; - - uint8_t diff[2], pol, ds, monomix[2], alc, mute; - uint8_t path[4], mpath[2], power, format; - const WMRate *rate; - uint8_t rate_vmstate; - int adc_hz, dac_hz, ext_adc_hz, ext_dac_hz, master; -} WM8750State; - -/* pow(10.0, -i / 20.0) * 255, i = 0..42 */ -static const uint8_t wm8750_vol_db_table[] = { - 255, 227, 203, 181, 161, 143, 128, 114, 102, 90, 81, 72, 64, 57, 51, 45, - 40, 36, 32, 29, 26, 23, 20, 18, 16, 14, 13, 11, 10, 9, 8, 7, 6, 6, 5, 5, - 4, 4, 3, 3, 3, 2, 2 -}; - -#define WM8750_OUTVOL_TRANSFORM(x) wm8750_vol_db_table[(0x7f - x) / 3] -#define WM8750_INVOL_TRANSFORM(x) (x << 2) - -static inline void wm8750_in_load(WM8750State *s) -{ - if (s->idx_in + s->req_in <= sizeof(s->data_in)) - return; - s->idx_in = audio_MAX(0, (int) sizeof(s->data_in) - s->req_in); - AUD_read(*s->in[0], s->data_in + s->idx_in, - sizeof(s->data_in) - s->idx_in); -} - -static inline void wm8750_out_flush(WM8750State *s) -{ - int sent = 0; - while (sent < s->idx_out) - sent += AUD_write(*s->out[0], s->data_out + sent, s->idx_out - sent) - ?: s->idx_out; - s->idx_out = 0; -} - -static void wm8750_audio_in_cb(void *opaque, int avail_b) -{ - WM8750State *s = (WM8750State *) opaque; - s->req_in = avail_b; - s->data_req(s->opaque, s->req_out >> 2, avail_b >> 2); -} - -static void wm8750_audio_out_cb(void *opaque, int free_b) -{ - WM8750State *s = (WM8750State *) opaque; - - if (s->idx_out >= free_b) { - s->idx_out = free_b; - s->req_out = 0; - wm8750_out_flush(s); - } else - s->req_out = free_b - s->idx_out; - - s->data_req(s->opaque, s->req_out >> 2, s->req_in >> 2); -} - -static const WMRate wm_rate_table[] = { - { 256, 48000, 256, 48000 }, /* SR: 00000 */ - { 384, 48000, 384, 48000 }, /* SR: 00001 */ - { 256, 48000, 1536, 8000 }, /* SR: 00010 */ - { 384, 48000, 2304, 8000 }, /* SR: 00011 */ - { 1536, 8000, 256, 48000 }, /* SR: 00100 */ - { 2304, 8000, 384, 48000 }, /* SR: 00101 */ - { 1536, 8000, 1536, 8000 }, /* SR: 00110 */ - { 2304, 8000, 2304, 8000 }, /* SR: 00111 */ - { 1024, 12000, 1024, 12000 }, /* SR: 01000 */ - { 1526, 12000, 1536, 12000 }, /* SR: 01001 */ - { 768, 16000, 768, 16000 }, /* SR: 01010 */ - { 1152, 16000, 1152, 16000 }, /* SR: 01011 */ - { 384, 32000, 384, 32000 }, /* SR: 01100 */ - { 576, 32000, 576, 32000 }, /* SR: 01101 */ - { 128, 96000, 128, 96000 }, /* SR: 01110 */ - { 192, 96000, 192, 96000 }, /* SR: 01111 */ - { 256, 44100, 256, 44100 }, /* SR: 10000 */ - { 384, 44100, 384, 44100 }, /* SR: 10001 */ - { 256, 44100, 1408, 8018 }, /* SR: 10010 */ - { 384, 44100, 2112, 8018 }, /* SR: 10011 */ - { 1408, 8018, 256, 44100 }, /* SR: 10100 */ - { 2112, 8018, 384, 44100 }, /* SR: 10101 */ - { 1408, 8018, 1408, 8018 }, /* SR: 10110 */ - { 2112, 8018, 2112, 8018 }, /* SR: 10111 */ - { 1024, 11025, 1024, 11025 }, /* SR: 11000 */ - { 1536, 11025, 1536, 11025 }, /* SR: 11001 */ - { 512, 22050, 512, 22050 }, /* SR: 11010 */ - { 768, 22050, 768, 22050 }, /* SR: 11011 */ - { 512, 24000, 512, 24000 }, /* SR: 11100 */ - { 768, 24000, 768, 24000 }, /* SR: 11101 */ - { 128, 88200, 128, 88200 }, /* SR: 11110 */ - { 192, 88200, 192, 88200 }, /* SR: 11111 */ -}; - -static void wm8750_vol_update(WM8750State *s) -{ - /* FIXME: multiply all volumes by s->invol[2], s->invol[3] */ - - AUD_set_volume_in(s->adc_voice[0], s->mute, - s->inmute[0] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[0]), - s->inmute[1] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[1])); - AUD_set_volume_in(s->adc_voice[1], s->mute, - s->inmute[0] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[0]), - s->inmute[1] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[1])); - AUD_set_volume_in(s->adc_voice[2], s->mute, - s->inmute[0] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[0]), - s->inmute[1] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[1])); - - /* FIXME: multiply all volumes by s->outvol[0], s->outvol[1] */ - - /* Speaker: LOUT2VOL ROUT2VOL */ - AUD_set_volume_out(s->dac_voice[0], s->mute, - s->outmute[0] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[4]), - s->outmute[1] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[5])); - - /* Headphone: LOUT1VOL ROUT1VOL */ - AUD_set_volume_out(s->dac_voice[1], s->mute, - s->outmute[0] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[2]), - s->outmute[1] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[3])); - - /* MONOOUT: MONOVOL MONOVOL */ - AUD_set_volume_out(s->dac_voice[2], s->mute, - s->outmute[0] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[6]), - s->outmute[1] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[6])); -} - -static void wm8750_set_format(WM8750State *s) -{ - int i; - struct audsettings in_fmt; - struct audsettings out_fmt; - - wm8750_out_flush(s); - - if (s->in[0] && *s->in[0]) - AUD_set_active_in(*s->in[0], 0); - if (s->out[0] && *s->out[0]) - AUD_set_active_out(*s->out[0], 0); - - for (i = 0; i < IN_PORT_N; i ++) - if (s->adc_voice[i]) { - AUD_close_in(&s->card, s->adc_voice[i]); - s->adc_voice[i] = NULL; - } - for (i = 0; i < OUT_PORT_N; i ++) - if (s->dac_voice[i]) { - AUD_close_out(&s->card, s->dac_voice[i]); - s->dac_voice[i] = NULL; - } - - if (!s->enable) - return; - - /* Setup input */ - in_fmt.endianness = 0; - in_fmt.nchannels = 2; - in_fmt.freq = s->adc_hz; - in_fmt.fmt = AUD_FMT_S16; - - s->adc_voice[0] = AUD_open_in(&s->card, s->adc_voice[0], - CODEC ".input1", s, wm8750_audio_in_cb, &in_fmt); - s->adc_voice[1] = AUD_open_in(&s->card, s->adc_voice[1], - CODEC ".input2", s, wm8750_audio_in_cb, &in_fmt); - s->adc_voice[2] = AUD_open_in(&s->card, s->adc_voice[2], - CODEC ".input3", s, wm8750_audio_in_cb, &in_fmt); - - /* Setup output */ - out_fmt.endianness = 0; - out_fmt.nchannels = 2; - out_fmt.freq = s->dac_hz; - out_fmt.fmt = AUD_FMT_S16; - - s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0], - CODEC ".speaker", s, wm8750_audio_out_cb, &out_fmt); - s->dac_voice[1] = AUD_open_out(&s->card, s->dac_voice[1], - CODEC ".headphone", s, wm8750_audio_out_cb, &out_fmt); - /* MONOMIX is also in stereo for simplicity */ - s->dac_voice[2] = AUD_open_out(&s->card, s->dac_voice[2], - CODEC ".monomix", s, wm8750_audio_out_cb, &out_fmt); - /* no sense emulating OUT3 which is a mix of other outputs */ - - wm8750_vol_update(s); - - /* We should connect the left and right channels to their - * respective inputs/outputs but we have completely no need - * for mixing or combining paths to different ports, so we - * connect both channels to where the left channel is routed. */ - if (s->in[0] && *s->in[0]) - AUD_set_active_in(*s->in[0], 1); - if (s->out[0] && *s->out[0]) - AUD_set_active_out(*s->out[0], 1); -} - -static void wm8750_clk_update(WM8750State *s, int ext) -{ - if (s->master || !s->ext_dac_hz) - s->dac_hz = s->rate->dac_hz; - else - s->dac_hz = s->ext_dac_hz; - - if (s->master || !s->ext_adc_hz) - s->adc_hz = s->rate->adc_hz; - else - s->adc_hz = s->ext_adc_hz; - - if (s->master || (!s->ext_dac_hz && !s->ext_adc_hz)) { - if (!ext) - wm8750_set_format(s); - } else { - if (ext) - wm8750_set_format(s); - } -} - -static void wm8750_reset(I2CSlave *i2c) -{ - WM8750State *s = WM8750(i2c); - - s->rate = &wm_rate_table[0]; - s->enable = 0; - wm8750_clk_update(s, 1); - s->diff[0] = 0; - s->diff[1] = 0; - s->ds = 0; - s->alc = 0; - s->in[0] = &s->adc_voice[0]; - s->invol[0] = 0x17; - s->invol[1] = 0x17; - s->invol[2] = 0xc3; - s->invol[3] = 0xc3; - s->out[0] = &s->dac_voice[0]; - s->outvol[0] = 0xff; - s->outvol[1] = 0xff; - s->outvol[2] = 0x79; - s->outvol[3] = 0x79; - s->outvol[4] = 0x79; - s->outvol[5] = 0x79; - s->outvol[6] = 0x79; - s->inmute[0] = 0; - s->inmute[1] = 0; - s->outmute[0] = 0; - s->outmute[1] = 0; - s->mute = 1; - s->path[0] = 0; - s->path[1] = 0; - s->path[2] = 0; - s->path[3] = 0; - s->mpath[0] = 0; - s->mpath[1] = 0; - s->format = 0x0a; - s->idx_in = sizeof(s->data_in); - s->req_in = 0; - s->idx_out = 0; - s->req_out = 0; - wm8750_vol_update(s); - s->i2c_len = 0; -} - -static void wm8750_event(I2CSlave *i2c, enum i2c_event event) -{ - WM8750State *s = WM8750(i2c); - - switch (event) { - case I2C_START_SEND: - s->i2c_len = 0; - break; - case I2C_FINISH: -#ifdef VERBOSE - if (s->i2c_len < 2) - printf("%s: message too short (%i bytes)\n", - __FUNCTION__, s->i2c_len); -#endif - break; - default: - break; - } -} - -#define WM8750_LINVOL 0x00 -#define WM8750_RINVOL 0x01 -#define WM8750_LOUT1V 0x02 -#define WM8750_ROUT1V 0x03 -#define WM8750_ADCDAC 0x05 -#define WM8750_IFACE 0x07 -#define WM8750_SRATE 0x08 -#define WM8750_LDAC 0x0a -#define WM8750_RDAC 0x0b -#define WM8750_BASS 0x0c -#define WM8750_TREBLE 0x0d -#define WM8750_RESET 0x0f -#define WM8750_3D 0x10 -#define WM8750_ALC1 0x11 -#define WM8750_ALC2 0x12 -#define WM8750_ALC3 0x13 -#define WM8750_NGATE 0x14 -#define WM8750_LADC 0x15 -#define WM8750_RADC 0x16 -#define WM8750_ADCTL1 0x17 -#define WM8750_ADCTL2 0x18 -#define WM8750_PWR1 0x19 -#define WM8750_PWR2 0x1a -#define WM8750_ADCTL3 0x1b -#define WM8750_ADCIN 0x1f -#define WM8750_LADCIN 0x20 -#define WM8750_RADCIN 0x21 -#define WM8750_LOUTM1 0x22 -#define WM8750_LOUTM2 0x23 -#define WM8750_ROUTM1 0x24 -#define WM8750_ROUTM2 0x25 -#define WM8750_MOUTM1 0x26 -#define WM8750_MOUTM2 0x27 -#define WM8750_LOUT2V 0x28 -#define WM8750_ROUT2V 0x29 -#define WM8750_MOUTV 0x2a - -static int wm8750_tx(I2CSlave *i2c, uint8_t data) -{ - WM8750State *s = WM8750(i2c); - uint8_t cmd; - uint16_t value; - - if (s->i2c_len >= 2) { -#ifdef VERBOSE - printf("%s: long message (%i bytes)\n", __func__, s->i2c_len); -#endif - return 1; - } - s->i2c_data[s->i2c_len ++] = data; - if (s->i2c_len != 2) - return 0; - - cmd = s->i2c_data[0] >> 1; - value = ((s->i2c_data[0] << 8) | s->i2c_data[1]) & 0x1ff; - - switch (cmd) { - case WM8750_LADCIN: /* ADC Signal Path Control (Left) */ - s->diff[0] = (((value >> 6) & 3) == 3); /* LINSEL */ - if (s->diff[0]) - s->in[0] = &s->adc_voice[0 + s->ds * 1]; - else - s->in[0] = &s->adc_voice[((value >> 6) & 3) * 1 + 0]; - break; - - case WM8750_RADCIN: /* ADC Signal Path Control (Right) */ - s->diff[1] = (((value >> 6) & 3) == 3); /* RINSEL */ - if (s->diff[1]) - s->in[1] = &s->adc_voice[0 + s->ds * 1]; - else - s->in[1] = &s->adc_voice[((value >> 6) & 3) * 1 + 0]; - break; - - case WM8750_ADCIN: /* ADC Input Mode */ - s->ds = (value >> 8) & 1; /* DS */ - if (s->diff[0]) - s->in[0] = &s->adc_voice[0 + s->ds * 1]; - if (s->diff[1]) - s->in[1] = &s->adc_voice[0 + s->ds * 1]; - s->monomix[0] = (value >> 6) & 3; /* MONOMIX */ - break; - - case WM8750_ADCTL1: /* Additional Control (1) */ - s->monomix[1] = (value >> 1) & 1; /* DMONOMIX */ - break; - - case WM8750_PWR1: /* Power Management (1) */ - s->enable = ((value >> 6) & 7) == 3; /* VMIDSEL, VREF */ - wm8750_set_format(s); - break; - - case WM8750_LINVOL: /* Left Channel PGA */ - s->invol[0] = value & 0x3f; /* LINVOL */ - s->inmute[0] = (value >> 7) & 1; /* LINMUTE */ - wm8750_vol_update(s); - break; - - case WM8750_RINVOL: /* Right Channel PGA */ - s->invol[1] = value & 0x3f; /* RINVOL */ - s->inmute[1] = (value >> 7) & 1; /* RINMUTE */ - wm8750_vol_update(s); - break; - - case WM8750_ADCDAC: /* ADC and DAC Control */ - s->pol = (value >> 5) & 3; /* ADCPOL */ - s->mute = (value >> 3) & 1; /* DACMU */ - wm8750_vol_update(s); - break; - - case WM8750_ADCTL3: /* Additional Control (3) */ - break; - - case WM8750_LADC: /* Left ADC Digital Volume */ - s->invol[2] = value & 0xff; /* LADCVOL */ - wm8750_vol_update(s); - break; - - case WM8750_RADC: /* Right ADC Digital Volume */ - s->invol[3] = value & 0xff; /* RADCVOL */ - wm8750_vol_update(s); - break; - - case WM8750_ALC1: /* ALC Control (1) */ - s->alc = (value >> 7) & 3; /* ALCSEL */ - break; - - case WM8750_NGATE: /* Noise Gate Control */ - case WM8750_3D: /* 3D enhance */ - break; - - case WM8750_LDAC: /* Left Channel Digital Volume */ - s->outvol[0] = value & 0xff; /* LDACVOL */ - wm8750_vol_update(s); - break; - - case WM8750_RDAC: /* Right Channel Digital Volume */ - s->outvol[1] = value & 0xff; /* RDACVOL */ - wm8750_vol_update(s); - break; - - case WM8750_BASS: /* Bass Control */ - break; - - case WM8750_LOUTM1: /* Left Mixer Control (1) */ - s->path[0] = (value >> 8) & 1; /* LD2LO */ - /* TODO: mute/unmute respective paths */ - wm8750_vol_update(s); - break; - - case WM8750_LOUTM2: /* Left Mixer Control (2) */ - s->path[1] = (value >> 8) & 1; /* RD2LO */ - /* TODO: mute/unmute respective paths */ - wm8750_vol_update(s); - break; - - case WM8750_ROUTM1: /* Right Mixer Control (1) */ - s->path[2] = (value >> 8) & 1; /* LD2RO */ - /* TODO: mute/unmute respective paths */ - wm8750_vol_update(s); - break; - - case WM8750_ROUTM2: /* Right Mixer Control (2) */ - s->path[3] = (value >> 8) & 1; /* RD2RO */ - /* TODO: mute/unmute respective paths */ - wm8750_vol_update(s); - break; - - case WM8750_MOUTM1: /* Mono Mixer Control (1) */ - s->mpath[0] = (value >> 8) & 1; /* LD2MO */ - /* TODO: mute/unmute respective paths */ - wm8750_vol_update(s); - break; - - case WM8750_MOUTM2: /* Mono Mixer Control (2) */ - s->mpath[1] = (value >> 8) & 1; /* RD2MO */ - /* TODO: mute/unmute respective paths */ - wm8750_vol_update(s); - break; - - case WM8750_LOUT1V: /* LOUT1 Volume */ - s->outvol[2] = value & 0x7f; /* LOUT1VOL */ - wm8750_vol_update(s); - break; - - case WM8750_LOUT2V: /* LOUT2 Volume */ - s->outvol[4] = value & 0x7f; /* LOUT2VOL */ - wm8750_vol_update(s); - break; - - case WM8750_ROUT1V: /* ROUT1 Volume */ - s->outvol[3] = value & 0x7f; /* ROUT1VOL */ - wm8750_vol_update(s); - break; - - case WM8750_ROUT2V: /* ROUT2 Volume */ - s->outvol[5] = value & 0x7f; /* ROUT2VOL */ - wm8750_vol_update(s); - break; - - case WM8750_MOUTV: /* MONOOUT Volume */ - s->outvol[6] = value & 0x7f; /* MONOOUTVOL */ - wm8750_vol_update(s); - break; - - case WM8750_ADCTL2: /* Additional Control (2) */ - break; - - case WM8750_PWR2: /* Power Management (2) */ - s->power = value & 0x7e; - /* TODO: mute/unmute respective paths */ - wm8750_vol_update(s); - break; - - case WM8750_IFACE: /* Digital Audio Interface Format */ - s->format = value; - s->master = (value >> 6) & 1; /* MS */ - wm8750_clk_update(s, s->master); - break; - - case WM8750_SRATE: /* Clocking and Sample Rate Control */ - s->rate = &wm_rate_table[(value >> 1) & 0x1f]; - wm8750_clk_update(s, 0); - break; - - case WM8750_RESET: /* Reset */ - wm8750_reset(I2C_SLAVE(s)); - break; - -#ifdef VERBOSE - default: - printf("%s: unknown register %02x\n", __FUNCTION__, cmd); -#endif - } - - return 0; -} - -static int wm8750_rx(I2CSlave *i2c) -{ - return 0x00; -} - -static void wm8750_pre_save(void *opaque) -{ - WM8750State *s = opaque; - - s->rate_vmstate = s->rate - wm_rate_table; -} - -static int wm8750_post_load(void *opaque, int version_id) -{ - WM8750State *s = opaque; - - s->rate = &wm_rate_table[s->rate_vmstate & 0x1f]; - return 0; -} - -static const VMStateDescription vmstate_wm8750 = { - .name = CODEC, - .version_id = 0, - .minimum_version_id = 0, - .pre_save = wm8750_pre_save, - .post_load = wm8750_post_load, - .fields = (VMStateField[]) { - VMSTATE_UINT8_ARRAY(i2c_data, WM8750State, 2), - VMSTATE_INT32(i2c_len, WM8750State), - VMSTATE_INT32(enable, WM8750State), - VMSTATE_INT32(idx_in, WM8750State), - VMSTATE_INT32(req_in, WM8750State), - VMSTATE_INT32(idx_out, WM8750State), - VMSTATE_INT32(req_out, WM8750State), - VMSTATE_UINT8_ARRAY(outvol, WM8750State, 7), - VMSTATE_UINT8_ARRAY(outmute, WM8750State, 2), - VMSTATE_UINT8_ARRAY(invol, WM8750State, 4), - VMSTATE_UINT8_ARRAY(inmute, WM8750State, 2), - VMSTATE_UINT8_ARRAY(diff, WM8750State, 2), - VMSTATE_UINT8(pol, WM8750State), - VMSTATE_UINT8(ds, WM8750State), - VMSTATE_UINT8_ARRAY(monomix, WM8750State, 2), - VMSTATE_UINT8(alc, WM8750State), - VMSTATE_UINT8(mute, WM8750State), - VMSTATE_UINT8_ARRAY(path, WM8750State, 4), - VMSTATE_UINT8_ARRAY(mpath, WM8750State, 2), - VMSTATE_UINT8(format, WM8750State), - VMSTATE_UINT8(power, WM8750State), - VMSTATE_UINT8(rate_vmstate, WM8750State), - VMSTATE_I2C_SLAVE(parent_obj, WM8750State), - VMSTATE_END_OF_LIST() - } -}; - -static int wm8750_init(I2CSlave *i2c) -{ - WM8750State *s = WM8750(i2c); - - AUD_register_card(CODEC, &s->card); - wm8750_reset(I2C_SLAVE(s)); - - return 0; -} - -#if 0 -static void wm8750_fini(I2CSlave *i2c) -{ - WM8750State *s = WM8750(i2c); - - wm8750_reset(I2C_SLAVE(s)); - AUD_remove_card(&s->card); - g_free(s); -} -#endif - -void wm8750_data_req_set(DeviceState *dev, - void (*data_req)(void *, int, int), void *opaque) -{ - WM8750State *s = WM8750(dev); - - s->data_req = data_req; - s->opaque = opaque; -} - -void wm8750_dac_dat(void *opaque, uint32_t sample) -{ - WM8750State *s = (WM8750State *) opaque; - - *(uint32_t *) &s->data_out[s->idx_out] = sample; - s->req_out -= 4; - s->idx_out += 4; - if (s->idx_out >= sizeof(s->data_out) || s->req_out <= 0) - wm8750_out_flush(s); -} - -void *wm8750_dac_buffer(void *opaque, int samples) -{ - WM8750State *s = (WM8750State *) opaque; - /* XXX: Should check if there are <i>samples</i> free samples available */ - void *ret = s->data_out + s->idx_out; - - s->idx_out += samples << 2; - s->req_out -= samples << 2; - return ret; -} - -void wm8750_dac_commit(void *opaque) -{ - WM8750State *s = (WM8750State *) opaque; - - wm8750_out_flush(s); -} - -uint32_t wm8750_adc_dat(void *opaque) -{ - WM8750State *s = (WM8750State *) opaque; - uint32_t *data; - - if (s->idx_in >= sizeof(s->data_in)) - wm8750_in_load(s); - - data = (uint32_t *) &s->data_in[s->idx_in]; - s->req_in -= 4; - s->idx_in += 4; - return *data; -} - -void wm8750_set_bclk_in(void *opaque, int new_hz) -{ - WM8750State *s = (WM8750State *) opaque; - - s->ext_adc_hz = new_hz; - s->ext_dac_hz = new_hz; - wm8750_clk_update(s, 1); -} - -static void wm8750_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass); - - sc->init = wm8750_init; - sc->event = wm8750_event; - sc->recv = wm8750_rx; - sc->send = wm8750_tx; - dc->vmsd = &vmstate_wm8750; -} - -static const TypeInfo wm8750_info = { - .name = TYPE_WM8750, - .parent = TYPE_I2C_SLAVE, - .instance_size = sizeof(WM8750State), - .class_init = wm8750_class_init, -}; - -static void wm8750_register_types(void) -{ - type_register_static(&wm8750_info); -} - -type_init(wm8750_register_types) |