/* * WM8753 audio CODEC. * * Copyright (c) 2007 OpenMoko, Inc. * Author: Andrzej Zaborowski * * This file is licensed under GNU GPL v2. */ #include "vl.h" #define IN_PORT_N 3 #define OUT_PORT_N 3 #define CODEC "wm8753" struct wm_rate_s; struct wm8753_s { i2c_slave i2c; 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 adcin; uint8_t inctl[2]; uint8_t recmix[2]; uint8_t adc; uint8_t intpol; uint8_t intmask; uint8_t intlevel; uint8_t inten; uint8_t intinput; uint8_t inthigh; uint8_t intintr; uint8_t intprev; struct { qemu_irq handler; enum { input, low, high, intr } type; } line[8]; qemu_irq *gpio_in; uint8_t response; uint32_t inmask, outmask; const struct wm_rate_s *rate; uint8_t path[4], mpath[2], format, alc, mute; uint16_t power[4]; }; static inline void wm8753_in_load(struct wm8753_s *s) { int acquired; 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); acquired = AUD_read(*s->in[0], s->data_in + s->idx_in, sizeof(s->data_in) - s->idx_in); } static inline void wm8753_out_flush(struct wm8753_s *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 wm8753_audio_in_cb(void *opaque, int avail_b) { struct wm8753_s *s = (struct wm8753_s *) opaque; s->req_in = avail_b; s->data_req(s->opaque, s->req_out >> 2, avail_b >> 2); } static void wm8753_audio_out_cb(void *opaque, int free_b) { struct wm8753_s *s = (struct wm8753_s *) opaque; if (s->idx_out >= free_b) { s->idx_out = free_b; s->req_out = 0; wm8753_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); } struct wm_rate_s { int adc; int adc_hz; int dac; int dac_hz; }; static const struct wm_rate_s 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 wm8753_set_format(struct wm8753_s *s) { int i; audsettings_t in_fmt; audsettings_t out_fmt; audsettings_t monoout_fmt; wm8753_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] = 0; } 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] = 0; } if (!s->enable) return; /* Setup input */ in_fmt.endianness = 0; in_fmt.nchannels = 2; in_fmt.freq = s->rate->adc_hz; in_fmt.fmt = AUD_FMT_S16; s->adc_voice[0] = AUD_open_in(&s->card, s->adc_voice[0], CODEC ".linein", s, wm8753_audio_in_cb, &in_fmt); s->adc_voice[1] = AUD_open_in(&s->card, s->adc_voice[1], CODEC ".rx", s, wm8753_audio_in_cb, &in_fmt); s->adc_voice[2] = AUD_open_in(&s->card, s->adc_voice[2], CODEC ".mic", s, wm8753_audio_in_cb, &in_fmt); /* Setup output */ out_fmt.endianness = 0; out_fmt.nchannels = 2; out_fmt.freq = s->rate->dac_hz; out_fmt.fmt = AUD_FMT_S16; monoout_fmt.endianness = 0; monoout_fmt.nchannels = 1; monoout_fmt.freq = s->rate->dac_hz; monoout_fmt.fmt = AUD_FMT_S16; s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0], CODEC ".speaker", s, wm8753_audio_out_cb, &out_fmt); s->dac_voice[1] = AUD_open_out(&s->card, s->dac_voice[1], CODEC ".headphone", s, wm8753_audio_out_cb, &out_fmt); /* MONOOUT is also in stereo for simplicity */ s->dac_voice[2] = AUD_open_out(&s->card, s->dac_voice[2], CODEC ".monoout", s, wm8753_audio_out_cb, &out_fmt); /* 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 wm8753_int_update(struct wm8753_s *s) { int line; uint8_t level = s->inthigh; if (s->inten && (s->intinput & (s->intlevel ^ s->intpol) & s->intmask)) level |= s->intintr; level ^= s->intprev; s->intprev ^= level; while ((line = ffs(level))) { line --; if (s->line[line].handler) qemu_set_irq(s->line[line].handler, (s->intprev >> line) & 1); level ^= 1 << line; } } static inline void wm8753_input_update(struct wm8753_s *s, int line) { if (s->line[line].type == input) s->intinput |= 1 << line; else s->intinput &= ~(1 << line); if (s->line[line].type == high) s->inthigh |= 1 << line; else s->inthigh &= ~(1 << line); if (s->line[line].type == intr) s->intintr |= 1 << line; else s->intintr &= ~(1 << line); } static inline void wm8753_mask_update(struct wm8753_s *s) { #define R_ONLY 0x0000ffff #define L_ONLY 0xffff0000 #define BOTH (R_ONLY | L_ONLY) #define NONE (R_ONLY & L_ONLY) s->inmask = (s->inmute[0] ? R_ONLY : BOTH) & (s->inmute[1] ? L_ONLY : BOTH) & (s->mute ? NONE : BOTH); s->outmask = (s->outmute[0] ? R_ONLY : BOTH) & (s->outmute[1] ? L_ONLY : BOTH) & (s->mute ? NONE : BOTH); } static uint8_t wm8753_read(struct wm8753_s *s, int readsel) { switch (readsel) { case 0:/* Device ID high */ return 0x87; case 1:/* Device ID low */ return 0x53; case 2:/* Device revision */ return 0x01; case 3:/* Device capabilities */ return 0x00; case 4:/* Device status */ return (s->intinput & s->intlevel) | s->inthigh; case 5:/* Interrupt status */ return (s->inten ? 0xff : 0x00) & s->intinput & (s->intlevel ^ s->intpol) & s->intmask; #ifdef VERBOSE default: printf("%s: unknown register %02x\n", __FUNCTION__, readsel); #endif } return 0; } void wm8753_reset(i2c_slave *i2c) { int i; struct wm8753_s *s = (struct wm8753_s *) i2c; s->enable = 0; wm8753_set_format(s); s->idx_in = sizeof(s->data_in); s->req_in = 0; s->idx_out = 0; s->req_out = 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->inmute[0] = 0; s->inmute[1] = 0; s->outmute[0] = 0; s->outmute[1] = 0; s->adcin = 0; s->inctl[0] = 0; s->inctl[1] = 0; s->recmix[0] = 0x55; s->recmix[1] = 0x05; s->adc = 0; s->intpol = 0x00; s->intmask = 0x0; s->inten = 0; s->intinput = 0xff; s->inthigh = 0x00; s->intintr = 0x00; for (i = 0; i < 8; i ++) s->line[i].type = input; s->power[0] = 0x000; s->power[1] = 0x000; s->power[2] = 0x000; s->power[3] = 0x000; s->alc = 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; wm8753_int_update(s); wm8753_mask_update(s); } static void wm8753_event(i2c_slave *i2c, enum i2c_event event) { struct wm8753_s *s = (struct wm8753_s *) 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 WM8753_DAC 0x01 #define WM8753_ADC 0x02 #define WM8753_PCM 0x03 #define WM8753_HIFI 0x04 #define WM8753_IOCTL 0x05 #define WM8753_SRATE1 0x06 #define WM8753_SRATE2 0x07 #define WM8753_LDAC 0x08 #define WM8753_RDAC 0x09 #define WM8753_BASS 0x0a #define WM8753_TREBLE 0x0b #define WM8753_ALC1 0x0c #define WM8753_ALC2 0x0d #define WM8753_ALC3 0x0e #define WM8753_NGATE 0x0f #define WM8753_LADC 0x10 #define WM8753_RADC 0x11 #define WM8753_ADCTL1 0x12 #define WM8753_3D 0x13 #define WM8753_PWR1 0x14 #define WM8753_PWR2 0x15 #define WM8753_PWR3 0x16 #define WM8753_PWR4 0x17 #define WM8753_ID 0x18 #define WM8753_INTPOL 0x19 #define WM8753_INTEN 0x1a #define WM8753_GPIO1 0x1b #define WM8753_GPIO2 0x1c #define WM8753_RESET 0x1f #define WM8753_RECMIX1 0x20 #define WM8753_RECMIX2 0x21 #define WM8753_LOUTM1 0x22 #define WM8753_LOUTM2 0x23 #define WM8753_ROUTM1 0x24 #define WM8753_ROUTM2 0x25 #define WM8753_MOUTM1 0x26 #define WM8753_MOUTM2 0x27 #define WM8753_LOUT1V 0x28 #define WM8753_ROUT1V 0x29 #define WM8753_LOUT2V 0x2a #define WM8753_ROUT2V 0x2b #define WM8753_MOUTV 0x2c #define WM8753_OUTCTL 0x2d #define WM8753_ADCIN 0x2e #define WM8753_INCTL1 0x2f #define WM8753_INCTL2 0x30 #define WM8753_LINVOL 0x31 #define WM8753_RINVOL 0x32 #define WM8753_MICBIAS 0x33 #define WM8753_CLOCK 0x34 #define WM8753_PLL1CTL1 0x35 #define WM8753_PLL1CTL2 0x36 #define WM8753_PLL1CTL3 0x37 #define WM8753_PLL1CTL4 0x38 #define WM8753_PLL2CTL1 0x39 #define WM8753_PLL2CTL2 0x3a #define WM8753_PLL2CTL3 0x3b #define WM8753_PLL2CTL4 0x3c #define WM8753_BIASCTL 0x3d #define WM8753_ADCTL2 0x3f static int wm8753_tx(i2c_slave *i2c, uint8_t data) { struct wm8753_s *s = (struct wm8753_s *) i2c; uint8_t cmd; uint16_t value; if (s->i2c_len >= 2) { printf("%s: long message (%i bytes)\n", __FUNCTION__, s->i2c_len); #ifdef VERBOSE return 1; #endif } 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 WM8753_ADCIN: /* ADC Input Mode */ s->adcin = value; wm8753_set_format(s); break; case WM8753_INCTL1: /* ADC Input Control (1) */ s->inctl[0] = value; wm8753_set_format(s); break; case WM8753_INCTL2: /* ADC Input Control (2) */ s->inctl[1] = value; wm8753_set_format(s); break; case WM8753_RECMIX1: /* Record Mix (1) */ s->recmix[0] = value; wm8753_set_format(s); break; case WM8753_RECMIX2: /* Record Mix (2) */ s->recmix[0] = value; wm8753_set_format(s); break; case WM8753_ADC: /* Additional Control (1) */ s->adc = value; wm8753_set_format(s); break; case WM8753_PWR1: /* Power Management (1) */ s->power[0] = value & 0x1ff; s->enable = ((value >> 6) & 7) == 3; /* VMIDSEL, VREF */ wm8753_set_format(s); break; case WM8753_PWR2: /* Power Management (2) */ s->power[1] = value & 0x1ff; wm8753_set_format(s); break; case WM8753_PWR3: /* Power Management (2) */ s->power[2] = value & 0x1ff; wm8753_set_format(s); break; case WM8753_PWR4: /* Power Management (2) */ s->power[3] = value & 0x1ff; wm8753_set_format(s); break; case WM8753_MICBIAS: break; case WM8753_LINVOL: /* Left Channel PGA */ s->invol[0] = value & 0x3f; /* LINVOL */ s->inmute[0] = (value >> 7) & 1; /* LINMUTE */ wm8753_mask_update(s); break; case WM8753_RINVOL: /* Right Channel PGA */ s->invol[1] = value & 0x3f; /* RINVOL */ s->inmute[1] = (value >> 7) & 1; /* RINMUTE */ wm8753_mask_update(s); break; case WM8753_ADCTL1: /* Additional Control (1) */ case WM8753_ADCTL2: /* Additional Control (2) */ break; case WM8753_LADC: /* Left ADC Digital Volume */ s->invol[2] = value & 0xff; /* LADCVOL */ break; case WM8753_RADC: /* Right ADC Digital Volume */ s->invol[3] = value & 0xff; /* RADCVOL */ break; case WM8753_ALC1: /* ALC Control (1) */ s->alc = (value >> 7) & 3; /* ALCSEL */ break; case WM8753_ALC2: /* ALC Control (2) */ case WM8753_ALC3: /* ALC Control (3) */ case WM8753_NGATE: /* Noise Gate Control */ case WM8753_3D: /* 3D enhance */ case WM8753_BASS: /* Bass Control */ case WM8753_TREBLE: /* Treble Control */ case WM8753_CLOCK: /* Clock Control */ case WM8753_BIASCTL: /* Bias Control */ break; case WM8753_LDAC: /* Left Channel Digital Volume */ s->outvol[0] = value & 0xff; /* LDACVOL */ break; case WM8753_RDAC: /* Right Channel Digital Volume */ s->outvol[1] = value & 0xff; /* RDACVOL */ break; case WM8753_DAC: /* DAC Control */ s->mute = (value >> 3) & 1; /* DACMU */ wm8753_mask_update(s); break; case WM8753_LOUTM1: /* Left Mixer Control (1) */ s->path[0] = (value >> 8) & 1; /* LD2LO */ wm8753_set_format(s); break; case WM8753_LOUTM2: /* Left Mixer Control (2) */ s->path[1] = (value >> 8) & 1; /* RD2LO */ wm8753_set_format(s); break; case WM8753_ROUTM1: /* Right Mixer Control (1) */ s->path[2] = (value >> 8) & 1; /* LD2RO */ wm8753_set_format(s); break; case WM8753_ROUTM2: /* Right Mixer Control (2) */ s->path[3] = (value >> 8) & 1; /* RD2RO */ wm8753_set_format(s); break; case WM8753_MOUTM1: /* Mono Mixer Control (1) */ s->mpath[0] = (value >> 8) & 1; /* LD2MO */ wm8753_set_format(s); break; case WM8753_MOUTM2: /* Mono Mixer Control (2) */ s->mpath[1] = (value >> 8) & 1; /* RD2MO */ wm8753_set_format(s); break; case WM8753_LOUT1V: /* LOUT1 Volume */ s->outvol[2] = value & 0x7f; /* LOUT2VOL */ break; case WM8753_LOUT2V: /* LOUT2 Volume */ s->outvol[4] = value & 0x7f; /* LOUT2VOL */ break; case WM8753_ROUT1V: /* ROUT1 Volume */ s->outvol[3] = value & 0x7f; /* ROUT2VOL */ break; case WM8753_ROUT2V: /* ROUT2 Volume */ s->outvol[5] = value & 0x7f; /* ROUT2VOL */ break; case WM8753_MOUTV: /* MONOOUT Volume */ s->outvol[6] = value & 0x7f; /* MONOOUTVOL */ break; case WM8753_OUTCTL: /* Output Control */ break; case WM8753_INTPOL: /* Interrupt Polarity */ s->intpol = value & 0xff; wm8753_int_update(s); break; case WM8753_INTEN: /* Interrupt Mask */ s->intmask = value & 0xff; wm8753_int_update(s); break; case WM8753_GPIO1: /* GPIO Control (1) */ s->inten = !!(value & 3); switch ((value >> 3) & 3) { case 0: s->line[5].type = input; break; case 1: s->line[5].type = intr; break; case 2: s->line[5].type = low; break; case 3: s->line[5].type = high; break; } wm8753_input_update(s, 5); switch ((value >> 0) & 7) { case 4: s->line[4].type = low; break; case 5: s->line[4].type = high; break; case 7: s->line[4].type = intr; break; default: s->line[4].type = input; break; } wm8753_input_update(s, 4); wm8753_int_update(s); break; case WM8753_GPIO2: /* GPIO Control (2) */ switch ((value >> 6) & 7) { case 4: s->line[3].type = low; break; case 5: s->line[3].type = high; break; case 7: s->line[3].type = intr; break; default: s->line[3].type = input; break; } wm8753_input_update(s, 3); switch ((value >> 3) & 7) { case 0: s->line[2].type = low; break; case 1: s->line[2].type = high; break; case 3: s->line[2].type = intr; break; default: s->line[2].type = input; break; } wm8753_input_update(s, 2); switch ((value >> 0) & 7) { case 0: s->line[1].type = low; break; case 1: s->line[1].type = high; break; case 3: s->line[1].type = intr; break; default: s->line[1].type = input; break; } wm8753_input_update(s, 1); wm8753_int_update(s); break; case WM8753_HIFI: /* Digital Hi-Fi Audio Interface Format */ case WM8753_IOCTL: /* Digital Audio Interface Control */ break; case WM8753_PCM: /* Digital Voice Audio Interface Format */ s->format = value; wm8753_set_format(s); break; case WM8753_ID: /* Read Control */ s->response = wm8753_read(s, (value >> 1) & 7); break; case 0x00: /* Dummy */ break; case WM8753_PLL1CTL1: /* PLL1 Control (1) */ case WM8753_PLL1CTL2: /* PLL1 Control (2) */ case WM8753_PLL1CTL3: /* PLL1 Control (3) */ case WM8753_PLL1CTL4: /* PLL1 Control (4) */ case WM8753_PLL2CTL1: /* PLL2 Control (1) */ case WM8753_PLL2CTL2: /* PLL2 Control (2) */ case WM8753_PLL2CTL3: /* PLL2 Control (3) */ case WM8753_PLL2CTL4: /* PLL2 Control (4) */ break; case WM8753_SRATE1: /* Sample Rate Control (1) */ s->rate = &wm_rate_table[(value >> 1) & 0x1f]; wm8753_set_format(s); break; case WM8753_SRATE2: /* Sample Rate Control (2) */ break; case WM8753_RESET: /* Reset */ if (value == 0) wm8753_reset(&s->i2c); break; #ifdef VERBOSE default: printf("%s: unknown register %02x\n", __FUNCTION__, cmd); #endif } return 0; } static int wm8753_rx(i2c_slave *i2c) { return 0x00; } static void wm8753_gpio_set(void *opaque, int line, int level) { struct wm8753_s *s = (struct wm8753_s *) opaque; if (level) s->intlevel |= 1 << line; else s->intlevel &= ~(1 << line); wm8753_int_update(s); } static void wm8753_save(QEMUFile *f, void *opaque) { struct wm8753_s *s = (struct wm8753_s *) opaque; int i; qemu_put_8s(f, &s->i2c_data[0]); qemu_put_8s(f, &s->i2c_data[1]); qemu_put_be32(f, s->i2c_len); qemu_put_be32(f, s->enable); qemu_put_be32(f, s->idx_in); qemu_put_be32(f, s->req_in); qemu_put_be32(f, s->idx_out); qemu_put_be32(f, s->req_out); for (i = 0; i < 7; i ++) qemu_put_8s(f, &s->outvol[i]); for (i = 0; i < 2; i ++) qemu_put_8s(f, &s->outmute[i]); for (i = 0; i < 4; i ++) qemu_put_8s(f, &s->invol[i]); for (i = 0; i < 2; i ++) qemu_put_8s(f, &s->inmute[i]); qemu_put_8s(f, &s->adcin); for (i = 0; i < 2; i ++) qemu_put_8s(f, &s->inctl[i]); for (i = 0; i < 2; i ++) qemu_put_8s(f, &s->recmix[i]); qemu_put_8s(f, &s->adc); qemu_put_8s(f, &s->intpol); qemu_put_8s(f, &s->intmask); qemu_put_8s(f, &s->intlevel); qemu_put_8s(f, &s->inten); qemu_put_8s(f, &s->intinput); qemu_put_8s(f, &s->inthigh); qemu_put_8s(f, &s->intintr); qemu_put_8s(f, &s->intprev); for (i = 0; i < 8; i ++) qemu_put_byte(f, s->line[i].type); qemu_put_8s(f, &s->response); qemu_put_be32s(f, &s->inmask); qemu_put_be32s(f, &s->outmask); qemu_put_byte(f, (s->rate - wm_rate_table) / sizeof(*s->rate)); for (i = 0; i < 4; i ++) qemu_put_8s(f, &s->path[i]); for (i = 0; i < 2; i ++) qemu_put_8s(f, &s->mpath[i]); qemu_put_8s(f, &s->format); qemu_put_8s(f, &s->alc); qemu_put_8s(f, &s->mute); for (i = 0; i < 4; i ++) qemu_put_be16s(f, &s->power[i]); i2c_slave_save(f, &s->i2c); } static int wm8753_load(QEMUFile *f, void *opaque, int version_id) { struct wm8753_s *s = (struct wm8753_s *) opaque; int i; qemu_get_8s(f, &s->i2c_data[0]); qemu_get_8s(f, &s->i2c_data[1]); s->i2c_len = qemu_get_be32(f); s->enable = qemu_get_be32(f); s->idx_in = qemu_get_be32(f); s->req_in = qemu_get_be32(f); s->idx_out = qemu_get_be32(f); s->req_out = qemu_get_be32(f); for (i = 0; i < 7; i ++) qemu_get_8s(f, &s->outvol[i]); for (i = 0; i < 2; i ++) qemu_get_8s(f, &s->outmute[i]); for (i = 0; i < 4; i ++) qemu_get_8s(f, &s->invol[i]); for (i = 0; i < 2; i ++) qemu_get_8s(f, &s->inmute[i]); qemu_get_8s(f, &s->adcin); for (i = 0; i < 2; i ++) qemu_get_8s(f, &s->inctl[i]); for (i = 0; i < 2; i ++) qemu_get_8s(f, &s->recmix[i]); qemu_get_8s(f, &s->adc); qemu_get_8s(f, &s->intpol); qemu_get_8s(f, &s->intmask); qemu_get_8s(f, &s->intlevel); qemu_get_8s(f, &s->inten); qemu_get_8s(f, &s->intinput); qemu_get_8s(f, &s->inthigh); qemu_get_8s(f, &s->intintr); qemu_get_8s(f, &s->intprev); for (i = 0; i < 8; i ++) s->line[i].type = qemu_get_byte(f); qemu_get_8s(f, &s->response); qemu_get_be32s(f, &s->inmask); qemu_get_be32s(f, &s->outmask); s->rate = &wm_rate_table[(uint8_t) qemu_get_byte(f) & 0x1f]; for (i = 0; i < 4; i ++) qemu_get_8s(f, &s->path[i]); for (i = 0; i < 2; i ++) qemu_get_8s(f, &s->mpath[i]); qemu_get_8s(f, &s->format); qemu_get_8s(f, &s->alc); qemu_get_8s(f, &s->mute); for (i = 0; i < 4; i ++) qemu_get_be16s(f, &s->power[i]); i2c_slave_load(f, &s->i2c); return 0; } static int wm8753_iid = 0; i2c_slave *wm8753_init(i2c_bus *bus, AudioState *audio) { struct wm8753_s *s = (struct wm8753_s *) i2c_slave_init(bus, 0, sizeof(struct wm8753_s)); s->i2c.event = wm8753_event; s->i2c.recv = wm8753_rx; s->i2c.send = wm8753_tx; s->gpio_in = qemu_allocate_irqs(wm8753_gpio_set, s, 8); AUD_register_card(audio, CODEC, &s->card); wm8753_reset(&s->i2c); register_savevm(CODEC, wm8753_iid ++, 0, wm8753_save, wm8753_load, s); return &s->i2c; } void wm8753_fini(i2c_slave *i2c) { struct wm8753_s *s = (struct wm8753_s *) i2c; wm8753_reset(&s->i2c); AUD_remove_card(&s->card); qemu_free(s); } qemu_irq *wm8753_gpio_in_get(i2c_slave *i2c) { struct wm8753_s *s = (struct wm8753_s *) i2c; return s->gpio_in; } void wm8753_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler) { struct wm8753_s *s = (struct wm8753_s *) i2c; if (line >= 8) { printf("%s: No GPIO pin %i\n", __FUNCTION__, line); return; } s->line[line].handler = handler; } void wm8753_data_req_set(i2c_slave *i2c, void (*data_req)(void *, int, int), void *opaque) { struct wm8753_s *s = (struct wm8753_s *) i2c; s->data_req = data_req; s->opaque = opaque; } void wm8753_dac_dat(void *opaque, uint32_t sample) { struct wm8753_s *s = (struct wm8753_s *) opaque; uint32_t *data = (uint32_t *) &s->data_out[s->idx_out]; *data = sample & s->outmask; s->req_out -= 4; s->idx_out += 4; if (s->idx_out >= sizeof(s->data_out) || s->req_out <= 0) wm8753_out_flush(s); } uint32_t wm8753_adc_dat(void *opaque) { struct wm8753_s *s = (struct wm8753_s *) opaque; uint32_t *data; if (s->idx_in >= sizeof(s->data_in)) wm8753_in_load(s); data = (uint32_t *) &s->data_in[s->idx_in]; s->req_in -= 4; s->idx_in += 4; return *data & s->inmask; }