/* $OpenBSD: sf64pcr.c,v 1.4 2002/01/07 18:32:19 mickey Exp $ */ /* $RuOBSD: sf64pcr.c,v 1.11 2001/12/05 10:19:40 mickey Exp $ */ /* * Copyright (c) 2001 Vladimir Popov * 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, 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. */ /* MediaForte SoundForte SF64-PCR PCI Radio Card Device Driver */ /* * Philips TEA5757H AM/FM Self Tuned Radio: * http://www.semiconductors.philips.com/pip/TEA5757H * * ForteMedia FM801: * ??? */ #include #include #include #include #include #include #include #include #include #include #include #include /* config base I/O address ? */ #define PCI_CBIO 0x6400 #define SF64PCR_PCI_OFFSET 0x52 #define CARD_RADIO_CAPS RADIO_CAPS_DETECT_STEREO | \ RADIO_CAPS_DETECT_SIGNAL | \ RADIO_CAPS_SET_MONO | \ RADIO_CAPS_HW_SEARCH | \ RADIO_CAPS_HW_AFC | \ RADIO_CAPS_LOCK_SENSITIVITY #define SF64PCR_MUTE 0xF800 #define SF64PCR_UNMUTE 0xF802 #define SF64PCR_SIGNAL 0x80 #define SF64PCR_STEREO 0x80 #define SF64PCR_INFO_STEREO (1 << 24) #define SF64PCR_INFO_SIGNAL (1 << 25) #define SF64PCR_CLCK_ON (1 << 0) #define SF64PCR_CLCK_OFF (0 << 0) #define SF64PCR_WREN1_ON (0 << 1) #define SF64PCR_WREN1_OFF (1 << 1) #define SF64PCR_DATA_ON (1 << 2) #define SF64PCR_DATA_OFF (0 << 2) #define SF64PCR_WREN2_ON (0 << 10) #define SF64PCR_WREN2_OFF (1 << 10) #define SF64PCR_0xF800 0xF800 #define SF64PCR_WRITE_ONE_CLOCK_LOW \ SF64PCR_0xF800 | \ SF64PCR_WREN1_ON | \ SF64PCR_WREN2_ON | \ SF64PCR_DATA_ON | \ SF64PCR_CLCK_OFF /* 0xFC02 */ #define SF64PCR_READ_CLOCK_LOW \ SF64PCR_0xF800 | \ SF64PCR_CLCK_OFF | \ SF64PCR_WREN1_OFF | \ SF64PCR_DATA_OFF | \ SF64PCR_WREN2_OFF /* 0xFC03 */ #define SF64PCR_READ_CLOCK_HIGH \ SF64PCR_0xF800 | \ SF64PCR_CLCK_ON | \ SF64PCR_WREN1_OFF | \ SF64PCR_DATA_OFF | \ SF64PCR_WREN2_OFF int sf64pcr_match(struct device *, void *, void *); void sf64pcr_attach(struct device *, struct device * self, void *); int sf64pcr_get_info(void *, struct radio_info *); int sf64pcr_set_info(void *, struct radio_info *); int sf64pcr_search(void *, int); /* define our interface to the high-level radio driver */ struct radio_hw_if sf4r_hw_if = { NULL, /* open */ NULL, /* close */ sf64pcr_get_info, sf64pcr_set_info, sf64pcr_search }; struct sf64pcr_softc { struct device dev; int mute; u_int8_t vol; u_int32_t freq; u_int32_t stereo; u_int32_t lock; struct tea5757_t tea; }; struct cfattach sf4r_ca = { sizeof(struct sf64pcr_softc), sf64pcr_match, sf64pcr_attach }; struct cfdriver sf4r_cd = { NULL, "sf4r", DV_DULL }; /* * Function prototypes */ void sf64pcr_set_mute(struct sf64pcr_softc *); void sf64pcr_init(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t); void sf64pcr_rset(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t); void sf64pcr_write_bit(bus_space_tag_t, bus_space_handle_t, bus_size_t, int); u_int32_t sf64pcr_hw_read(bus_space_tag_t, bus_space_handle_t, bus_size_t); /* * PCI initialization stuff */ int sf64pcr_match(struct device *parent, void *match, void *aux) { struct pci_attach_args *pa = aux; /* FIXME: more thorough testing */ if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_FORTEMEDIA && PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_FORTEMEDIA_FM801) return (1); return (0); } void sf64pcr_attach(struct device *parent, struct device *self, void *aux) { struct sf64pcr_softc *sc = (struct sf64pcr_softc *) self; struct pci_attach_args *pa = aux; struct cfdata *cf = sc->dev.dv_cfdata; pci_chipset_tag_t pc = pa->pa_pc; pcireg_t csr; if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &sc->tea.iot, &sc->tea.ioh, NULL, NULL, 0)) { printf(": can't map i/o space\n"); return; } /* Enable the card */ csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, csr | PCI_COMMAND_MASTER_ENABLE); sc->vol = 0; sc->mute = 0; sc->freq = MIN_FM_FREQ; sc->stereo = TEA5757_STEREO; sc->lock = TEA5757_S030; sc->tea.offset = SF64PCR_PCI_OFFSET; sc->tea.flags = cf->cf_flags; sc->tea.init = sf64pcr_init; sc->tea.rset = sf64pcr_rset; sc->tea.write_bit = sf64pcr_write_bit; sc->tea.read = sf64pcr_hw_read; printf(": SoundForte RadioLink SF64-PCR PCI\n"); tea5757_set_freq(&sc->tea, sc->lock, sc->stereo, sc->freq); sf64pcr_set_mute(sc); radio_attach_mi(&sf4r_hw_if, sc, &sc->dev); } /* * Mute/unmute */ void sf64pcr_set_mute(struct sf64pcr_softc *sc) { u_int16_t mute; mute = (sc->mute || !sc->vol) ? SF64PCR_MUTE : SF64PCR_UNMUTE; bus_space_write_2(sc->tea.iot, sc->tea.ioh, sc->tea.offset, mute); } void sf64pcr_write_bit(bus_space_tag_t iot, bus_space_handle_t ioh, bus_size_t off, int bit) { u_int16_t data, wren; wren = SF64PCR_0xF800 | SF64PCR_WREN1_ON | SF64PCR_WREN2_ON; data = bit ? SF64PCR_DATA_ON : SF64PCR_DATA_OFF; bus_space_write_2(iot, ioh, off, SF64PCR_CLCK_OFF | wren | data); DELAY(4); bus_space_write_2(iot, ioh, off, SF64PCR_CLCK_ON | wren | data); DELAY(4); bus_space_write_2(iot, ioh, off, SF64PCR_CLCK_OFF | wren | data); DELAY(4); } void sf64pcr_init(bus_space_tag_t iot, bus_space_handle_t ioh, bus_size_t offset, u_int32_t d) { d = SF64PCR_WRITE_ONE_CLOCK_LOW; bus_space_write_2(iot, ioh, offset, d); DELAY(4); } void sf64pcr_rset(bus_space_tag_t iot, bus_space_handle_t ioh, bus_size_t offset, u_int32_t d) { /* Do nothing */ return; } /* * Read TEA5757 shift register */ u_int32_t sf64pcr_hw_read(bus_space_tag_t iot, bus_space_handle_t ioh, bus_size_t offset) { u_int32_t res = 0ul; int rb, ind = 0; bus_space_write_2(iot, ioh, offset, SF64PCR_READ_CLOCK_LOW); DELAY(4); /* Read the register */ rb = 23; while (rb--) { bus_space_write_2(iot, ioh, offset, SF64PCR_READ_CLOCK_HIGH); DELAY(4); bus_space_write_2(iot, ioh, offset, SF64PCR_READ_CLOCK_LOW); DELAY(4); res |= bus_space_read_2(iot, ioh, offset) & SF64PCR_DATA_ON ? 1 : 0; res <<= 1; } bus_space_write_2(iot, ioh, offset, SF64PCR_READ_CLOCK_HIGH); DELAY(4); rb = bus_space_read_1(iot, ioh, offset); ind = rb & SF64PCR_SIGNAL ? (1 << 1) : (0 << 1); /* Tuning */ bus_space_write_2(iot, ioh, offset, SF64PCR_READ_CLOCK_LOW); rb = bus_space_read_2(iot, ioh, offset); ind |= rb & SF64PCR_STEREO ? (1 << 0) : (0 << 0); /* Mono */ res |= rb & SF64PCR_DATA_ON ? 1 : 0; return (res & (TEA5757_DATA | TEA5757_FREQ)) | (ind << 24); } int sf64pcr_get_info(void *v, struct radio_info *ri) { struct sf64pcr_softc *sc = v; u_int32_t buf; ri->mute = sc->mute; ri->volume = sc->vol ? 255 : 0; ri->stereo = sc->stereo == TEA5757_STEREO ? 1 : 0; ri->caps = CARD_RADIO_CAPS; ri->rfreq = 0; ri->lock = tea5757_decode_lock(sc->lock); buf = sf64pcr_hw_read(sc->tea.iot, sc->tea.ioh, sc->tea.offset); ri->freq = sc->freq = tea5757_decode_freq(buf, sc->tea.flags & TEA5757_TEA5759); ri->info = buf & SF64PCR_INFO_SIGNAL ? 0 : RADIO_INFO_SIGNAL; ri->info |= buf & SF64PCR_INFO_STEREO ? 0 : RADIO_INFO_STEREO; return (0); } int sf64pcr_set_info(void *v, struct radio_info *ri) { struct sf64pcr_softc *sc = v; sc->mute = ri->mute ? 1 : 0; sc->vol = ri->volume ? 255 : 0; sc->stereo = ri->stereo ? TEA5757_STEREO: TEA5757_MONO; sc->lock = tea5757_encode_lock(ri->lock); ri->freq = sc->freq = tea5757_set_freq(&sc->tea, sc->lock, sc->stereo, ri->freq); sf64pcr_set_mute(sc); return (0); } int sf64pcr_search(void *v, int f) { struct sf64pcr_softc *sc = v; tea5757_search(&sc->tea, sc->lock, sc->stereo, f); sf64pcr_set_mute(sc); return (0); }