diff options
author | cg <cg@FreeBSD.org> | 2001-02-04 19:13:40 +0000 |
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committer | cg <cg@FreeBSD.org> | 2001-02-04 19:13:40 +0000 |
commit | a1cdce5a42d65721cf4d47df24969e7152bd3072 (patch) | |
tree | 1ed6d70960f855ad22c372fc8ec88f038c647f15 /sys/dev | |
parent | 4a09908430a27cb5d0b03ffe51ec6181607ebfa0 (diff) | |
download | FreeBSD-src-a1cdce5a42d65721cf4d47df24969e7152bd3072.zip FreeBSD-src-a1cdce5a42d65721cf4d47df24969e7152bd3072.tar.gz |
add driver for CMedia CMI8338/CMI8738 sound chips
Submitted by: Orion Hodson <O.Hodson@cs.ucl.ac.uk>
Diffstat (limited to 'sys/dev')
-rw-r--r-- | sys/dev/sound/pci/cmi.c | 887 | ||||
-rw-r--r-- | sys/dev/sound/pci/cmireg.h | 203 |
2 files changed, 1090 insertions, 0 deletions
diff --git a/sys/dev/sound/pci/cmi.c b/sys/dev/sound/pci/cmi.c new file mode 100644 index 0000000..d701e1f --- /dev/null +++ b/sys/dev/sound/pci/cmi.c @@ -0,0 +1,887 @@ +/* + * Copyright (c) 2000 Orion Hodson <O.Hodson@cs.ucl.ac.uk> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF + * SUCH DAMAGE. + * + * This driver exists largely as a result of other people's efforts. + * Much of register handling is based on NetBSD CMI8x38 audio driver + * by Takuya Shiozaki <AoiMoe@imou.to>. Chen-Li Tien + * <cltien@cmedia.com.tw> clarified points regarding the DMA related + * registers and the 8738 mixer devices. His Linux was driver a also + * useful reference point. + * + * TODO: MIDI / suspend / resume + * + * SPDIF contributed by Gerhard Gonter <gonter@whisky.wu-wien.ac.at>. + * + * $FreeBSD$ + */ + +#include <dev/sound/pcm/sound.h> +#include <dev/sound/pci/cmireg.h> +#include <dev/sound/isa/sb.h> + +#include <pci/pcireg.h> +#include <pci/pcivar.h> + +#include "mixer_if.h" + +/* Supported chip ID's */ +#define CMI8338A_PCI_ID 0x010013f6 +#define CMI8338B_PCI_ID 0x010113f6 +#define CMI8738_PCI_ID 0x011113f6 +#define CMI8738B_PCI_ID 0x011213f6 + +/* Buffer size max is 64k for permitted DMA boundaries */ +#define CMI_BUFFER_SIZE 16384 + +/* Interrupts per length of buffer */ +#define CMI_INTR_PER_BUFFER 2 + +/* Clarify meaning of named defines in cmireg.h */ +#define CMPCI_REG_DMA0_MAX_SAMPLES CMPCI_REG_DMA0_BYTES +#define CMPCI_REG_DMA0_INTR_SAMPLES CMPCI_REG_DMA0_SAMPLES +#define CMPCI_REG_DMA1_MAX_SAMPLES CMPCI_REG_DMA1_BYTES +#define CMPCI_REG_DMA1_INTR_SAMPLES CMPCI_REG_DMA1_SAMPLES + +/* Our indication of custom mixer control */ +#define CMPCI_NON_SB16_CONTROL 0xff + +/* Debugging macro's */ +#ifndef DEB +#define DEB(x) /* x */ +#endif /* DEB */ + +#ifndef DEBMIX +#define DEBMIX(x) /* x */ +#endif /* DEBMIX */ + +/* ------------------------------------------------------------------------- */ +/* Structures */ + +struct cmi_info; + +struct cmi_chinfo { + struct cmi_info *parent; + pcm_channel *channel; + snd_dbuf *buffer; + int dir; + int bps; /* bytes per sample */ + u_int32_t fmt, spd, phys_buf; + u_int32_t dma_configured; +}; + +struct cmi_info { + device_t dev; + u_int32_t type, rev; + + bus_space_tag_t st; + bus_space_handle_t sh; + bus_dma_tag_t parent_dmat; + struct resource *reg, *irq; + int regid, irqid; + void *ih; + + struct cmi_chinfo pch, rch; +}; + +/* Channel caps */ + +static u_int32_t cmi_fmt[] = { + AFMT_U8, + AFMT_STEREO | AFMT_U8, + AFMT_S16_LE, + AFMT_STEREO | AFMT_S16_LE, + 0 +}; + +static pcmchan_caps cmi_caps = {5512, 48000, cmi_fmt, 0}; + +/* ------------------------------------------------------------------------- */ +/* Register Utilities */ + +static u_int32_t +cmi_rd(struct cmi_info *cmi, int regno, int size) +{ + switch (size) { + case 1: + return bus_space_read_1(cmi->st, cmi->sh, regno); + case 2: + return bus_space_read_2(cmi->st, cmi->sh, regno); + case 4: + return bus_space_read_4(cmi->st, cmi->sh, regno); + default: + DEB(printf("cmi_rd: failed 0x%04x %d\n", regno, size)); + return 0xFFFFFFFF; + } +} + +static void +cmi_wr(struct cmi_info *cmi, int regno, u_int32_t data, int size) +{ + switch (size) { + case 1: + bus_space_write_1(cmi->st, cmi->sh, regno, data); + break; + case 2: + bus_space_write_2(cmi->st, cmi->sh, regno, data); + break; + case 4: + bus_space_write_4(cmi->st, cmi->sh, regno, data); + break; + } + DELAY(10); +} + +static void +cmi_partial_wr4(struct cmi_info *cmi, + int reg, int shift, u_int32_t mask, u_int32_t val) +{ + u_int32_t r; + + r = cmi_rd(cmi, reg, 4); + r &= ~(mask << shift); + r |= val << shift; + cmi_wr(cmi, reg, r, 4); +} + +static void +cmi_clr4(struct cmi_info *cmi, int reg, u_int32_t mask) +{ + u_int32_t r; + + r = cmi_rd(cmi, reg, 4); + r &= ~mask; + cmi_wr(cmi, reg, r, 4); +} + +static void +cmi_set4(struct cmi_info *cmi, int reg, u_int32_t mask) +{ + u_int32_t r; + + r = cmi_rd(cmi, reg, 4); + r |= mask; + cmi_wr(cmi, reg, r, 4); +} + +/* ------------------------------------------------------------------------- */ +/* Rate Mapping */ + +static int cmi_rates[] = {5512, 8000, 11025, 16000, + 22050, 32000, 44100, 48000}; +#define NUM_CMI_RATES (sizeof(cmi_rates)/sizeof(cmi_rates[0])) + +/* cmpci_rate_to_regvalue returns sampling freq selector for FCR1 + * register - reg order is 5k,11k,22k,44k,8k,16k,32k,48k */ + +static u_int32_t +cmpci_rate_to_regvalue(int rate) +{ + int i, r; + + for(i = 0; i < NUM_CMI_RATES - 1; i++) { + if (rate < ((cmi_rates[i] + cmi_rates[i + 1]) / 2)) { + break; + } + } + + DEB(printf("cmpci_rate_to_regvalue: %d -> %d\n", rate, cmi_rates[i])); + + r = ((i >> 1) | (i << 2)) & 0x07; + return r; +} + +static int +cmpci_regvalue_to_rate(u_int32_t r) +{ + int i; + + i = ((r << 1) | (r >> 2)) & 0x07; + DEB(printf("cmpci_regvalue_to_rate: %d -> %d\n", r, i)); + return cmi_rates[i]; +} + +/* ------------------------------------------------------------------------- */ +/* ADC/DAC control */ + +static void +cmi_dac_start(struct cmi_info *cmi, struct cmi_chinfo *ch) +{ + if (ch->dma_configured == 0) { + u_int32_t s, i, sz; + ch->phys_buf = vtophys(sndbuf_getbuf(ch->buffer)); + sz = (u_int32_t)sndbuf_getsize(ch->buffer); + s = (sz + 1) / ch->bps - 1; + i = (sz + 1) / (ch->bps * CMI_INTR_PER_BUFFER) - 1; + cmi_wr(cmi, CMPCI_REG_DMA0_BASE, ch->phys_buf, 4); + cmi_wr(cmi, CMPCI_REG_DMA0_MAX_SAMPLES, s, 2); + cmi_wr(cmi, CMPCI_REG_DMA0_INTR_SAMPLES, i, 2); + ch->dma_configured = 1; + DEB(printf("cmi_dac_start: dma prog\n")); + } + cmi_clr4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_DIR); + cmi_clr4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_PAUSE); + cmi_set4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE); + cmi_set4(cmi, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE); +} + +static void +cmi_dac_stop(struct cmi_info *cmi) +{ + cmi_clr4(cmi, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE); + cmi_clr4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE); +} + +static void +cmi_dac_reset(struct cmi_info *cmi, struct cmi_chinfo *ch) +{ + cmi_dac_stop(cmi); + cmi_set4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET); + cmi_clr4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET); + ch->dma_configured = 0; + DEB(printf("cmi_dac_reset\n")); +} + +static void +cmi_adc_start(struct cmi_info *cmi, struct cmi_chinfo *ch) +{ + if (ch->dma_configured == 0) { + u_int32_t s, i, sz; + ch->phys_buf = vtophys(sndbuf_getbuf(ch->buffer)); + sz = (u_int32_t)sndbuf_getsize(ch->buffer); + s = (sz + 1) / ch->bps - 1; + i = (sz + 1) / (ch->bps * CMI_INTR_PER_BUFFER) - 1; + + cmi_wr(cmi, CMPCI_REG_DMA1_BASE, ch->phys_buf, 4); + cmi_wr(cmi, CMPCI_REG_DMA1_MAX_SAMPLES, s, 2); + cmi_wr(cmi, CMPCI_REG_DMA1_INTR_SAMPLES, i, 2); + ch->dma_configured = 1; + DEB(printf("cmi_adc_start: dma prog\n")); + } + + cmi_set4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_DIR); + cmi_clr4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_PAUSE); + cmi_set4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE); + cmi_set4(cmi, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE); +} + +static void +cmi_adc_stop(struct cmi_info *cmi) +{ + cmi_clr4(cmi, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE); + cmi_clr4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE); +} + +static void +cmi_adc_reset(struct cmi_info *cmi, struct cmi_chinfo *ch) +{ + cmi_adc_stop(cmi); + cmi_set4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET); + cmi_clr4(cmi, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET); + ch->dma_configured = 0; + DEB(printf("cmi_adc_reset\n")); +} + +static void +cmi_spdif_speed(struct cmi_info *cmi, int speed) { + u_int32_t fcr1, lcr, mcr; + + mcr = 0; + + if (speed >= 44100) { + fcr1 = CMPCI_REG_SPDIF0_ENABLE; + lcr = CMPCI_REG_XSPDIF_ENABLE; + mcr = (speed == 48000) ? + CMPCI_REG_W_SPDIF_48L | CMPCI_REG_SPDIF_48K : 0; + } else { + fcr1 = mcr = lcr = 0; + } + + cmi_partial_wr4(cmi, CMPCI_REG_FUNC_1, 0, + CMPCI_REG_SPDIF0_ENABLE, fcr1); + cmi_partial_wr4(cmi, CMPCI_REG_MISC, 0, + CMPCI_REG_W_SPDIF_48L | CMPCI_REG_SPDIF_48K, mcr); + cmi_partial_wr4(cmi, CMPCI_REG_LEGACY_CTRL, 0, + CMPCI_REG_XSPDIF_ENABLE, lcr); +} + +/* ------------------------------------------------------------------------- */ +/* Channel Interface implementation */ + +static void * +cmichan_init(kobj_t obj, void *devinfo, snd_dbuf *b, pcm_channel *c, int dir) +{ + struct cmi_info *cmi = devinfo; + struct cmi_chinfo *ch = (dir == PCMDIR_PLAY) ? &cmi->pch : &cmi->rch; + + ch->parent = cmi; + ch->channel = c; + ch->bps = 1; + ch->fmt = AFMT_U8; + ch->spd = DSP_DEFAULT_SPEED; + ch->dma_configured = 0; + ch->buffer = b; + if (sndbuf_alloc(ch->buffer, cmi->parent_dmat, CMI_BUFFER_SIZE) != 0) { + DEB(printf("cmichan_init failed\n")); + return NULL; + } + + ch->dir = dir; + if (dir == PCMDIR_PLAY) { + cmi_clr4(ch->parent, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_DIR); + } else { + cmi_set4(ch->parent, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_DIR); + } + + return ch; +} + +static int +cmichan_setformat(kobj_t obj, void *data, u_int32_t format) +{ + struct cmi_chinfo *ch = data; + u_int32_t f; + + if (format & AFMT_S16_LE) { + f = CMPCI_REG_FORMAT_16BIT; + ch->bps = 2; + } else { + f = CMPCI_REG_FORMAT_8BIT; + ch->bps = 1; + } + + if (format & AFMT_STEREO) { + f |= CMPCI_REG_FORMAT_STEREO; + ch->bps *= 2; + } else { + f |= CMPCI_REG_FORMAT_MONO; + } + + if (ch->dir == PCMDIR_PLAY) { + cmi_partial_wr4(ch->parent, + CMPCI_REG_CHANNEL_FORMAT, + CMPCI_REG_CH0_FORMAT_SHIFT, + CMPCI_REG_CH0_FORMAT_MASK, + f); + } else { + cmi_partial_wr4(ch->parent, + CMPCI_REG_CHANNEL_FORMAT, + CMPCI_REG_CH1_FORMAT_SHIFT, + CMPCI_REG_CH1_FORMAT_MASK, + f); + } + ch->fmt = format; + ch->dma_configured = 0; + + return 0; +} + +static int +cmichan_setspeed(kobj_t obj, void *data, u_int32_t speed) +{ + struct cmi_chinfo *ch = data; + u_int32_t r, rsp; + + r = cmpci_rate_to_regvalue(speed); + if (ch->dir == PCMDIR_PLAY) { + if (speed < 44100) /* disable if req before rate change */ + cmi_spdif_speed(ch->parent, speed); + cmi_partial_wr4(ch->parent, + CMPCI_REG_FUNC_1, + CMPCI_REG_DAC_FS_SHIFT, + CMPCI_REG_DAC_FS_MASK, + r); + if (speed >= 44100) /* enable if req after rate change */ + cmi_spdif_speed(ch->parent, speed); + rsp = cmi_rd(ch->parent, CMPCI_REG_FUNC_1, 4); + rsp >>= CMPCI_REG_DAC_FS_SHIFT; + rsp &= CMPCI_REG_DAC_FS_MASK; + } else { + cmi_partial_wr4(ch->parent, + CMPCI_REG_FUNC_1, + CMPCI_REG_ADC_FS_SHIFT, + CMPCI_REG_ADC_FS_MASK, + r); + rsp = cmi_rd(ch->parent, CMPCI_REG_FUNC_1, 4); + rsp >>= CMPCI_REG_ADC_FS_SHIFT; + rsp &= CMPCI_REG_ADC_FS_MASK; + } + ch->spd = cmpci_regvalue_to_rate(r); + + DEB(printf("cmichan_setspeed (%s) %d -> %d (%d)\n", + (ch->dir == PCMDIR_PLAY) ? "play" : "rec", + speed, ch->spd, cmpci_regvalue_to_rate(rsp))); + + return ch->spd; +} + +static int +cmichan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) +{ + struct cmi_chinfo *ch = data; + + /* user has requested interrupts every blocksize bytes */ + if (blocksize > CMI_BUFFER_SIZE / CMI_INTR_PER_BUFFER) { + blocksize = CMI_BUFFER_SIZE / CMI_INTR_PER_BUFFER; + } + sndbuf_resize(ch->buffer, CMI_INTR_PER_BUFFER, blocksize); + + ch->dma_configured = 0; + return sndbuf_getsize(ch->buffer); +} + +static int +cmichan_trigger(kobj_t obj, void *data, int go) +{ + struct cmi_chinfo *ch = data; + struct cmi_info *cmi = ch->parent; + + if (ch->dir == PCMDIR_PLAY) { + switch(go) { + case PCMTRIG_START: + cmi_dac_start(cmi, ch); + break; + case PCMTRIG_ABORT: + cmi_dac_reset(cmi, ch); + break; + } + } else { + switch(go) { + case PCMTRIG_START: + cmi_adc_start(cmi, ch); + break; + case PCMTRIG_ABORT: + cmi_adc_reset(cmi, ch); + break; + } + } + return 0; +} + +static int +cmichan_getptr(kobj_t obj, void *data) +{ + struct cmi_chinfo *ch = data; + struct cmi_info *cmi = ch->parent; + u_int32_t physptr, bufptr, sz; + + if (ch->dir == PCMDIR_PLAY) { + physptr = cmi_rd(cmi, CMPCI_REG_DMA0_BASE, 4); + } else { + physptr = cmi_rd(cmi, CMPCI_REG_DMA1_BASE, 4); + } + + sz = sndbuf_getsize(ch->buffer); + bufptr = (physptr - ch->phys_buf + sz - ch->bps) % sz; + + return bufptr; +} + +static void +cmi_intr(void *data) +{ + struct cmi_info *cmi = data; + u_int32_t intrstat; + + intrstat = cmi_rd(cmi, CMPCI_REG_INTR_STATUS, 4); + if ((intrstat & CMPCI_REG_ANY_INTR) == 0) { + return; + } + + /* Disable interrupts */ + if (intrstat & CMPCI_REG_CH0_INTR) { + cmi_clr4(cmi, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE); + } + + if (intrstat & CMPCI_REG_CH1_INTR) { + cmi_clr4(cmi, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE); + } + + DEB(printf("cmi_intr - play %d rec %d\n", + intrstat & CMPCI_REG_CH0_INTR, + (intrstat & CMPCI_REG_CH1_INTR)>>1)); + + /* Signal interrupts to channel */ + if (intrstat & CMPCI_REG_CH0_INTR) { + chn_intr(cmi->pch.channel); + } + + if (intrstat & CMPCI_REG_CH1_INTR) { + chn_intr(cmi->rch.channel); + } + + /* Enable interrupts */ + if (intrstat & CMPCI_REG_CH0_INTR) { + cmi_set4(cmi, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE); + } + + if (intrstat & CMPCI_REG_CH1_INTR) { + cmi_set4(cmi, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE); + } + + return; +} + +static pcmchan_caps * +cmichan_getcaps(kobj_t obj, void *data) +{ + return &cmi_caps; +} + +static kobj_method_t cmichan_methods[] = { + KOBJMETHOD(channel_init, cmichan_init), + KOBJMETHOD(channel_setformat, cmichan_setformat), + KOBJMETHOD(channel_setspeed, cmichan_setspeed), + KOBJMETHOD(channel_setblocksize, cmichan_setblocksize), + KOBJMETHOD(channel_trigger, cmichan_trigger), + KOBJMETHOD(channel_getptr, cmichan_getptr), + KOBJMETHOD(channel_getcaps, cmichan_getcaps), + { 0, 0 } +}; +CHANNEL_DECLARE(cmichan); + +/* ------------------------------------------------------------------------- */ +/* Mixer - sb16 with kinks */ + +static void +cmimix_wr(struct cmi_info *cmi, u_int8_t port, u_int8_t val) +{ + cmi_wr(cmi, CMPCI_REG_SBADDR, port, 1); + cmi_wr(cmi, CMPCI_REG_SBDATA, val, 1); +} + +static u_int8_t +cmimix_rd(struct cmi_info *cmi, u_int8_t port) +{ + cmi_wr(cmi, CMPCI_REG_SBADDR, port, 1); + return (u_int8_t)cmi_rd(cmi, CMPCI_REG_SBDATA, 1); +} + +struct sb16props { + u_int8_t rreg; /* right reg chan register */ + u_int8_t stereo:1; /* (no explanation needed, honest) */ + u_int8_t rec:1; /* recording source */ + u_int8_t bits:3; /* num bits to represent maximum gain rep */ + u_int8_t oselect; /* output select mask */ + u_int8_t iselect; /* right input select mask */ +} static const cmt[SOUND_MIXER_NRDEVICES] = { + [SOUND_MIXER_SYNTH] = {CMPCI_SB16_MIXER_FM_R, 1, 1, 5, + CMPCI_SB16_SW_FM, CMPCI_SB16_MIXER_FM_SRC_R}, + [SOUND_MIXER_CD] = {CMPCI_SB16_MIXER_CDDA_R, 1, 1, 5, + CMPCI_SB16_SW_CD, CMPCI_SB16_MIXER_CD_SRC_R}, + [SOUND_MIXER_LINE] = {CMPCI_SB16_MIXER_LINE_R, 1, 1, 5, + CMPCI_SB16_SW_LINE, CMPCI_SB16_MIXER_LINE_SRC_R}, + [SOUND_MIXER_MIC] = {CMPCI_SB16_MIXER_MIC, 0, 1, 5, + CMPCI_SB16_SW_MIC, CMPCI_SB16_MIXER_MIC_SRC}, + [SOUND_MIXER_SPEAKER] = {CMPCI_SB16_MIXER_SPEAKER, 0, 0, 2, 0, 0}, + [SOUND_MIXER_PCM] = {CMPCI_SB16_MIXER_VOICE_R, 1, 0, 5, 0, 0}, + [SOUND_MIXER_VOLUME] = {CMPCI_SB16_MIXER_MASTER_R, 1, 0, 5, 0, 0}, + /* These controls are not implemented in CMI8738, but maybe at a + future date. They are not documented in C-Media documentation, + though appear in other drivers for future h/w (ALSA, Linux, NetBSD). + */ + [SOUND_MIXER_IGAIN] = {CMPCI_SB16_MIXER_INGAIN_R, 1, 0, 2, 0, 0}, + [SOUND_MIXER_OGAIN] = {CMPCI_SB16_MIXER_OUTGAIN_R, 1, 0, 2, 0, 0}, + [SOUND_MIXER_BASS] = {CMPCI_SB16_MIXER_BASS_R, 1, 0, 4, 0, 0}, + [SOUND_MIXER_TREBLE] = {CMPCI_SB16_MIXER_TREBLE_R, 1, 0, 4, 0, 0}, + /* The mic pre-amp is implemented with non-SB16 compatible registers. */ + [SOUND_MIXER_MONITOR] = {CMPCI_NON_SB16_CONTROL, 0, 1, 4, 0}, +}; + +#define MIXER_GAIN_REG_RTOL(r) (r - 1) + +static int +cmimix_init(snd_mixer *m) +{ + struct cmi_info *cmi = mix_getdevinfo(m); + u_int32_t i,v; + + v = 0; + for(i = 0; i < SOUND_MIXER_NRDEVICES; i++) { + if (cmt[i].bits) v |= 1 << i; + } + mix_setdevs(m, v); + v = 0; + for(i = 0; i < SOUND_MIXER_NRDEVICES; i++) { + if (cmt[i].rec) v |= 1 << i; + } + mix_setrecdevs(m, v); + + cmimix_wr(cmi, CMPCI_SB16_MIXER_RESET, 0); + cmimix_wr(cmi, CMPCI_SB16_MIXER_ADCMIX_L, 0); + cmimix_wr(cmi, CMPCI_SB16_MIXER_ADCMIX_R, 0); + cmimix_wr(cmi, CMPCI_SB16_MIXER_OUTMIX, + CMPCI_SB16_SW_CD | CMPCI_SB16_SW_MIC | CMPCI_SB16_SW_LINE); + return 0; +} + +static int +cmimix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right) +{ + struct cmi_info *cmi = mix_getdevinfo(m); + u_int32_t r, l, max; + u_int8_t v; + + max = (1 << cmt[dev].bits) - 1; + + if (cmt[dev].rreg == CMPCI_NON_SB16_CONTROL) { + /* For time being this can only be one thing (mic in mic/aux reg) */ + u_int8_t v; + v = cmi_rd(cmi, CMPCI_REG_AUX_MIC, 1) & 0xf0; + l = left * max / 100; + /* 3 bit gain with LSB MICGAIN off(1),on(1) -> 4 bit value*/ + v |= ((l << 1) | (~l >> 3)) & 0x0f; + cmi_wr(cmi, CMPCI_REG_AUX_MIC, v, 1); + return 0; + } + + l = (left * max / 100) << (8 - cmt[dev].bits); + if (cmt[dev].stereo) { + r = (right * max / 100) << (8 - cmt[dev].bits); + cmimix_wr(cmi, MIXER_GAIN_REG_RTOL(cmt[dev].rreg), l); + cmimix_wr(cmi, cmt[dev].rreg, r); + DEBMIX(printf("Mixer stereo write dev %d reg 0x%02x "\ + "value 0x%02x:0x%02x\n", + dev, MIXER_GAIN_REG_RTOL(cmt[dev].rreg), l, r)); + } else { + r = l; + cmimix_wr(cmi, cmt[dev].rreg, l); + DEBMIX(printf("Mixer mono write dev %d reg 0x%02x " \ + "value 0x%02x:0x%02x\n", + dev, cmt[dev].rreg, l, l)); + } + + /* Zero gain does not mute channel from output, but this does... */ + v = cmimix_rd(cmi, CMPCI_SB16_MIXER_OUTMIX); + if (l == 0 && r == 0) { + v &= ~cmt[dev].oselect; + } else { + v |= cmt[dev].oselect; + } + cmimix_wr(cmi, CMPCI_SB16_MIXER_OUTMIX, v); + + return 0; +} + +static int +cmimix_setrecsrc(snd_mixer *m, u_int32_t src) +{ + struct cmi_info *cmi = mix_getdevinfo(m); + u_int32_t i, ml, sl; + + ml = sl = 0; + for(i = 0; i < SOUND_MIXER_NRDEVICES; i++) { + if ((1<<i) & src) { + if (cmt[i].stereo) { + sl |= cmt[i].iselect; + } else { + ml |= cmt[i].iselect; + } + } + } + cmimix_wr(cmi, CMPCI_SB16_MIXER_ADCMIX_R, sl|ml); + DEBMIX(printf("cmimix_setrecsrc: reg 0x%02x val 0x%02x\n", + CMPCI_SB16_MIXER_ADCMIX_R, sl|ml)); + ml = CMPCI_SB16_MIXER_SRC_R_TO_L(ml); + cmimix_wr(cmi, CMPCI_SB16_MIXER_ADCMIX_L, sl|ml); + DEBMIX(printf("cmimix_setrecsrc: reg 0x%02x val 0x%02x\n", + CMPCI_SB16_MIXER_ADCMIX_L, sl|ml)); + + return src; +} + +static kobj_method_t cmi_mixer_methods[] = { + KOBJMETHOD(mixer_init, cmimix_init), + KOBJMETHOD(mixer_set, cmimix_set), + KOBJMETHOD(mixer_setrecsrc, cmimix_setrecsrc), + { 0, 0 } +}; +MIXER_DECLARE(cmi_mixer); + +/* ------------------------------------------------------------------------- */ +/* Power and reset */ + +static void +cmi_power(struct cmi_info *cmi, int state) +{ + switch (state) { + case 0: /* full power */ + cmi_clr4(cmi, CMPCI_REG_MISC, CMPCI_REG_POWER_DOWN); + break; + default: + /* power off */ + cmi_set4(cmi, CMPCI_REG_MISC, CMPCI_REG_POWER_DOWN); + break; + } +} + +/* ------------------------------------------------------------------------- */ +/* Bus and device registration */ +static int +cmi_probe(device_t dev) +{ + switch(pci_get_devid(dev)) { + case CMI8338A_PCI_ID: + device_set_desc(dev, "CMedia CMI8338A"); + return 0; + case CMI8338B_PCI_ID: + device_set_desc(dev, "CMedia CMI8338B"); + return 0; + case CMI8738_PCI_ID: + device_set_desc(dev, "CMedia CMI8738"); + return 0; + case CMI8738B_PCI_ID: + device_set_desc(dev, "CMedia CMI8738B"); + return 0; + default: + return ENXIO; + } +} + +static int +cmi_attach(device_t dev) +{ + snddev_info *d; + struct cmi_info *cmi; + u_int32_t data; + char status[SND_STATUSLEN]; + + d = device_get_softc(dev); + + if ((cmi = malloc(sizeof(struct cmi_info), M_DEVBUF, M_NOWAIT)) == NULL) { + device_printf(dev, "cannot allocate softc\n"); + return ENXIO; + } + + bzero(cmi, sizeof(*cmi)); + + data = pci_read_config(dev, PCIR_COMMAND, 2); + data |= (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN); + pci_write_config(dev, PCIR_COMMAND, data, 2); + data = pci_read_config(dev, PCIR_COMMAND, 2); + + cmi->regid = PCIR_MAPS; + cmi->reg = bus_alloc_resource(dev, SYS_RES_IOPORT, &cmi->regid, + 0, BUS_SPACE_UNRESTRICTED, 1, RF_ACTIVE); + if (!cmi->reg) { + device_printf(dev, "cmi_attach: Cannot allocate bus resource\n"); + goto bad; + } + cmi->st = rman_get_bustag(cmi->reg); + cmi->sh = rman_get_bushandle(cmi->reg); + + cmi->irqid = 0; + cmi->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &cmi->irqid, + 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); + if (!cmi->irq || + bus_setup_intr(dev, cmi->irq, INTR_TYPE_TTY, cmi_intr, cmi, &cmi->ih)){ + device_printf(dev, "cmi_attach: Unable to map interrupt\n"); + goto bad; + } + + if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, + /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, + /*highaddr*/BUS_SPACE_MAXADDR, + /*filter*/NULL, /*filterarg*/NULL, + /*maxsize*/CMI_BUFFER_SIZE, /*nsegments*/1, + /*maxsegz*/0x3ffff, /*flags*/0, + &cmi->parent_dmat) != 0) { + device_printf(dev, "cmi_attach: Unable to create dma tag\n"); + goto bad; + } + + cmi_power(cmi, 0); + /* Disable interrupts and channels */ + cmi_clr4(cmi, CMPCI_REG_INTR_CTRL, + CMPCI_REG_CH0_INTR_ENABLE | + CMPCI_REG_CH1_INTR_ENABLE | + CMPCI_REG_TDMA_INTR_ENABLE); + cmi_clr4(cmi, CMPCI_REG_FUNC_0, + CMPCI_REG_CH0_ENABLE | CMPCI_REG_CH1_ENABLE); + + mixer_init(dev, &cmi_mixer_class, cmi); + + if (pcm_register(dev, cmi, 1, 1)) + goto bad; + + pcm_addchan(dev, PCMDIR_PLAY, &cmichan_class, cmi); + pcm_addchan(dev, PCMDIR_REC, &cmichan_class, cmi); + + snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld", + rman_get_start(cmi->reg), rman_get_start(cmi->irq)); + pcm_setstatus(dev, status); + + DEB(printf("cmi_attach: succeeded\n")); + return 0; + + bad: + if (cmi->parent_dmat) bus_dma_tag_destroy(cmi->parent_dmat); + if (cmi->ih) bus_teardown_intr(dev, cmi->irq, cmi->ih); + if (cmi->irq) bus_release_resource(dev, SYS_RES_IRQ, cmi->irqid, cmi->irq); + if (cmi->reg) bus_release_resource(dev, SYS_RES_IOPORT, + cmi->regid, cmi->reg); + if (cmi) free(cmi, M_DEVBUF); + + return ENXIO; +} + +static int +cmi_detach(device_t dev) +{ + struct cmi_info *cmi; + int r; + + r = pcm_unregister(dev); + if (r) return r; + + cmi = pcm_getdevinfo(dev); + cmi_power(cmi, 3); + bus_dma_tag_destroy(cmi->parent_dmat); + bus_teardown_intr(dev, cmi->irq, cmi->ih); + bus_release_resource(dev, SYS_RES_IRQ, cmi->irqid, cmi->irq); + bus_release_resource(dev, SYS_RES_IOPORT, cmi->regid, cmi->reg); + free(cmi, M_DEVBUF); + + return 0; +} + +static device_method_t cmi_methods[] = { + DEVMETHOD(device_probe, cmi_probe), + DEVMETHOD(device_attach, cmi_attach), + DEVMETHOD(device_detach, cmi_detach), + DEVMETHOD(device_resume, bus_generic_resume), + DEVMETHOD(device_suspend, bus_generic_suspend), + { 0, 0 } +}; + +static driver_t cmi_driver = { + "pcm", + cmi_methods, + sizeof(snddev_info) +}; + +static devclass_t pcm_devclass; +DRIVER_MODULE(snd_cmipci, pci, cmi_driver, pcm_devclass, 0, 0); +MODULE_DEPEND(snd_cmipci, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); +MODULE_VERSION(snd_cmipci, 1); diff --git a/sys/dev/sound/pci/cmireg.h b/sys/dev/sound/pci/cmireg.h new file mode 100644 index 0000000..b0e264c --- /dev/null +++ b/sys/dev/sound/pci/cmireg.h @@ -0,0 +1,203 @@ +/* + * Copyright (c) 2000 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Takuya SHIOZAKI <AoiMoe@imou.to> . + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* C-Media CMI8x38 Audio Chip Support */ + +#ifndef _DEV_PCI_CMPCIREG_H_ +#define _DEV_PCI_CMPCIREG_H_ (1) + +/* + * PCI Configuration Registers + */ + +#define CMPCI_PCI_IOBASEREG (PCI_MAPREG_START) + +/* + * I/O Space + */ + +#define CMPCI_REG_FUNC_0 0x00 +# define CMPCI_REG_CH0_DIR 0x00000001 +# define CMPCI_REG_CH1_DIR 0x00000002 +# define CMPCI_REG_CH0_PAUSE 0x00000004 +# define CMPCI_REG_CH1_PAUSE 0x00000008 +# define CMPCI_REG_CH0_ENABLE 0x00010000 +# define CMPCI_REG_CH1_ENABLE 0x00020000 +# define CMPCI_REG_CH0_RESET 0x00040000 +# define CMPCI_REG_CH1_RESET 0x00080000 + +#define CMPCI_REG_FUNC_1 0x04 +# define CMPCI_REG_JOY_ENABLE 0x00000002 +# define CMPCI_REG_UART_ENABLE 0x00000004 +# define CMPCI_REG_LEGACY_ENABLE 0x00000008 +# define CMPCI_REG_BREQ 0x00000010 +# define CMPCI_REG_MCBINTR_ENABLE 0x00000020 +# define CMPCI_REG_SPDIFOUT_DAC 0x00000040 +# define CMPCI_REG_SPDIF_LOOP 0x00000080 +# define CMPCI_REG_SPDIF0_ENABLE 0x00000100 +# define CMPCI_REG_SPDIF1_ENABLE 0x00000200 +# define CMPCI_REG_DAC_FS_SHIFT 10 +# define CMPCI_REG_DAC_FS_MASK 0x00000007 +# define CMPCI_REG_ADC_FS_SHIFT 13 +# define CMPCI_REG_ADC_FS_MASK 0x00000007 + +#define CMPCI_REG_CHANNEL_FORMAT 0x08 +# define CMPCI_REG_CH0_FORMAT_SHIFT 0 +# define CMPCI_REG_CH0_FORMAT_MASK 0x00000003 +# define CMPCI_REG_CH1_FORMAT_SHIFT 2 +# define CMPCI_REG_CH1_FORMAT_MASK 0x00000003 +# define CMPCI_REG_FORMAT_MONO 0x00000000 +# define CMPCI_REG_FORMAT_STEREO 0x00000001 +# define CMPCI_REG_FORMAT_8BIT 0x00000000 +# define CMPCI_REG_FORMAT_16BIT 0x00000002 + +#define CMPCI_REG_INTR_CTRL 0x0c +# define CMPCI_REG_CH0_INTR_ENABLE 0x00010000 +# define CMPCI_REG_CH1_INTR_ENABLE 0x00020000 +# define CMPCI_REG_TDMA_INTR_ENABLE 0x00040000 + +#define CMPCI_REG_INTR_STATUS 0x10 +# define CMPCI_REG_CH0_INTR 0x00000001 +# define CMPCI_REG_CH1_INTR 0x00000002 +# define CMPCI_REG_CH0_BUSY 0x00000004 +# define CMPCI_REG_CH1_BUSY 0x00000008 +# define CMPCI_REG_LEGACY_STEREO 0x00000010 +# define CMPCI_REG_LEGACY_HDMA 0x00000020 +# define CMPCI_REG_DMASTAT 0x00000040 +# define CMPCI_REG_XDO46 0x00000080 +# define CMPCI_REG_HTDMA_INTR 0x00004000 +# define CMPCI_REG_LTDMA_INTR 0x00008000 +# define CMPCI_REG_UART_INTR 0x00010000 +# define CMPCI_REG_MCB_INTR 0x04000000 +# define CMPCI_REG_VCO 0x08000000 +# define CMPCI_REG_ANY_INTR 0x80000000 + +#define CMPCI_REG_LEGACY_CTRL 0x14 +# define CMPCI_REG_LEGACY_SPDIF_ENABLE 0x00200000 +# define CMPCI_REG_SPDIF_COPYRIGHT 0x00400000 +# define CMPCI_REG_XSPDIF_ENABLE 0x00800000 +# define CMPCI_REG_FMSEL_SHIFT 24 +# define CMPCI_REG_FMSEL_MASK 0x00000003 +# define CMPCI_REG_VSBSEL_SHIFT 26 +# define CMPCI_REG_VSBSEL_MASK 0x00000003 +# define CMPCI_REG_VMPUSEL_SHIFT 29 +# define CMPCI_REG_VMPUSEL_MASK 0x00000003 + +#define CMPCI_REG_MISC 0x18 +# define CMPCI_REG_POWER_DOWN 0x80000000 +# define CMPCI_REG_BUS_AND_DSP_RESET 0x40000000 +# define CMPCI_REG_W_SPDIF_48L 0x01000000 +# define CMPCI_REG_SPDIF_48K 0x00008000 +# define CMPCI_REG_FM_ENABLE 0x00080000 + +#define CMPCI_REG_SBDATA 0x22 +#define CMPCI_REG_SBADDR 0x23 +# define CMPCI_SB16_MIXER_RESET 0x00 +# define CMPCI_SB16_MIXER_MASTER_L 0x30 +# define CMPCI_SB16_MIXER_MASTER_R 0x31 +# define CMPCI_SB16_MIXER_VOICE_L 0x32 +# define CMPCI_SB16_MIXER_VOICE_R 0x33 +# define CMPCI_SB16_MIXER_FM_L 0x34 +# define CMPCI_SB16_MIXER_FM_R 0x35 +# define CMPCI_SB16_MIXER_CDDA_L 0x36 +# define CMPCI_SB16_MIXER_CDDA_R 0x37 +# define CMPCI_SB16_MIXER_LINE_L 0x38 +# define CMPCI_SB16_MIXER_LINE_R 0x39 +# define CMPCI_SB16_MIXER_MIC 0x3A +# define CMPCI_SB16_MIXER_SPEAKER 0x3B +# define CMPCI_SB16_MIXER_OUTMIX 0x3C +# define CMPCI_SB16_SW_MIC 0x01 +# define CMPCI_SB16_SW_CD_R 0x02 +# define CMPCI_SB16_SW_CD_L 0x04 +# define CMPCI_SB16_SW_CD (CMPCI_SB16_SW_CD_L|CMPCI_SB16_SW_CD_R) +# define CMPCI_SB16_SW_LINE_R 0x08 +# define CMPCI_SB16_SW_LINE_L 0x10 +# define CMPCI_SB16_SW_LINE (CMPCI_SB16_SW_LINE_L|CMPCI_SB16_SW_LINE_R) +# define CMPCI_SB16_SW_FM_R 0x20 +# define CMPCI_SB16_SW_FM_L 0x40 +# define CMPCI_SB16_SW_FM (CMPCI_SB16_SW_FM_L|CMPCI_SB16_SW_FM_R) +# define CMPCI_SB16_MIXER_ADCMIX_L 0x3D +# define CMPCI_SB16_MIXER_ADCMIX_R 0x3E +# define CMPCI_SB16_MIXER_FM_SRC_R 0x20 +# define CMPCI_SB16_MIXER_LINE_SRC_R 0x08 +# define CMPCI_SB16_MIXER_CD_SRC_R 0x02 +# define CMPCI_SB16_MIXER_MIC_SRC 0x01 +# define CMPCI_SB16_MIXER_SRC_R_TO_L(v) ((v) << 1) + +# define CMPCI_SB16_MIXER_INGAIN_L 0x3F +# define CMPCI_SB16_MIXER_INGAIN_R 0x40 +# define CMPCI_SB16_MIXER_OUTGAIN_L 0x41 +# define CMPCI_SB16_MIXER_OUTGAIN_R 0x42 +# define CMPCI_SB16_MIXER_AGC 0x43 +# define CMPCI_SB16_MIXER_TREBLE_L 0x44 +# define CMPCI_SB16_MIXER_TREBLE_R 0x45 +# define CMPCI_SB16_MIXER_BASS_L 0x46 +# define CMPCI_SB16_MIXER_BASS_R 0x47 +# define CMPCI_SB16_MIXER_L_TO_R(addr) ((addr)+1) + +# define CMPCI_ADJUST_MIC_GAIN(sc, x) cmpci_adjust((x), 0xf8) +# define CMPCI_ADJUST_GAIN(sc, x) cmpci_adjust((x), 0xf8) +# define CMPCI_ADJUST_2_GAIN(sc, x) cmpci_adjust((x), 0xc0) + +#define CMPCI_REG_MPU_BASE 0x40 +#define CMPCI_REG_MPU_SIZE 0x10 +#define CMPCI_REG_FM_BASE 0x50 +#define CMPCI_REG_FM_SIZE 0x10 + +#define CMPCI_REG_AUX_MIC 0x25 +# define CMPCI_AUX_SELECT_R 0x80 +# define CMPCI_AUX_SELECT_L 0x40 +# define CMPCI_AUX_MUTE_R 0x20 +# define CMPCI_AUX_MUTE_L 0x10 +# define CMPCI_VAD_MIC 0x0e +# define CMPCI_MIC_QUIET 0x01 + +#define CMPCI_REG_DMA0_BASE 0x80 +#define CMPCI_REG_DMA0_BYTES 0x84 +#define CMPCI_REG_DMA0_SAMPLES 0x86 +#define CMPCI_REG_DMA1_BASE 0x88 +#define CMPCI_REG_DMA1_BYTES 0x8C +#define CMPCI_REG_DMA1_SAMPLES 0x8E + +/* sample rate */ +#define CMPCI_REG_RATE_5512 0 +#define CMPCI_REG_RATE_11025 1 +#define CMPCI_REG_RATE_22050 2 +#define CMPCI_REG_RATE_44100 3 +#define CMPCI_REG_RATE_8000 4 +#define CMPCI_REG_RATE_16000 5 +#define CMPCI_REG_RATE_32000 6 +#define CMPCI_REG_RATE_48000 7 +#define CMPCI_REG_NUMRATE 8 + +#endif /* _DEV_PCI_CMPCIREG_H_ */ + +/* end of file */ |