sbc.c revision 65644
153553Stanimura/*- 253553Stanimura * Copyright (c) 1999 Seigo Tanimura 353553Stanimura * All rights reserved. 453553Stanimura * 553553Stanimura * Redistribution and use in source and binary forms, with or without 653553Stanimura * modification, are permitted provided that the following conditions 753553Stanimura * are met: 853553Stanimura * 1. Redistributions of source code must retain the above copyright 953553Stanimura * notice, this list of conditions and the following disclaimer. 1053553Stanimura * 2. Redistributions in binary form must reproduce the above copyright 1153553Stanimura * notice, this list of conditions and the following disclaimer in the 1253553Stanimura * documentation and/or other materials provided with the distribution. 1353553Stanimura * 1453553Stanimura * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1553553Stanimura * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1653553Stanimura * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1753553Stanimura * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1853553Stanimura * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1953553Stanimura * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2053553Stanimura * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2153553Stanimura * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2253553Stanimura * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2353553Stanimura * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2453553Stanimura * SUCH DAMAGE. 2553553Stanimura * 2653553Stanimura * $FreeBSD: head/sys/dev/sound/isa/sbc.c 65644 2000-09-09 19:21:04Z cg $ 2753553Stanimura */ 2853553Stanimura 2953553Stanimura#include <dev/sound/chip.h> 3054462Scg#include <dev/sound/pcm/sound.h> 3162483Scg#include <dev/sound/isa/sb.h> 3253553Stanimura 3354824Scg#define IO_MAX 3 3454824Scg#define IRQ_MAX 1 3554824Scg#define DRQ_MAX 2 3654824Scg#define INTR_MAX 2 3754824Scg 3854824Scgstruct sbc_ihl { 3954824Scg driver_intr_t *intr[INTR_MAX]; 4054824Scg void *intr_arg[INTR_MAX]; 4154824Scg}; 4254824Scg 4353553Stanimura/* Here is the parameter structure per a device. */ 4453553Stanimurastruct sbc_softc { 4553553Stanimura device_t dev; /* device */ 4654462Scg 4754824Scg int io_rid[IO_MAX]; /* io port rids */ 4854824Scg struct resource *io[IO_MAX]; /* io port resources */ 4954824Scg int io_alloced[IO_MAX]; /* io port alloc flag */ 5054462Scg 5154824Scg int irq_rid[IRQ_MAX]; /* irq rids */ 5254824Scg struct resource *irq[IRQ_MAX]; /* irq resources */ 5354824Scg int irq_alloced[IRQ_MAX]; /* irq alloc flag */ 5454462Scg 5554824Scg int drq_rid[DRQ_MAX]; /* drq rids */ 5654824Scg struct resource *drq[DRQ_MAX]; /* drq resources */ 5754824Scg int drq_alloced[DRQ_MAX]; /* drq alloc flag */ 5854462Scg 5954824Scg struct sbc_ihl ihl[IRQ_MAX]; 6054824Scg 6165644Scg void *ih[IRQ_MAX]; 6254824Scg 6354462Scg u_int32_t bd_ver; 6453553Stanimura}; 6553553Stanimura 6653553Stanimurastatic int sbc_probe(device_t dev); 6753553Stanimurastatic int sbc_attach(device_t dev); 6854824Scgstatic void sbc_intr(void *p); 6954824Scg 7053553Stanimurastatic struct resource *sbc_alloc_resource(device_t bus, device_t child, int type, int *rid, 7154462Scg u_long start, u_long end, u_long count, u_int flags); 7253553Stanimurastatic int sbc_release_resource(device_t bus, device_t child, int type, int rid, 7354462Scg struct resource *r); 7454824Scgstatic int sbc_setup_intr(device_t dev, device_t child, struct resource *irq, 7554824Scg int flags, driver_intr_t *intr, void *arg, 7654824Scg void **cookiep); 7754824Scgstatic int sbc_teardown_intr(device_t dev, device_t child, struct resource *irq, 7854824Scg void *cookie); 7953553Stanimura 8054462Scgstatic int alloc_resource(struct sbc_softc *scp); 8154462Scgstatic int release_resource(struct sbc_softc *scp); 8253553Stanimura 8353553Stanimurastatic devclass_t sbc_devclass; 8453553Stanimura 8554462Scgstatic int io_range[3] = {0x10, 0x2, 0x4}; 8654462Scg 8760711Snyan#ifdef PC98 /* I/O address table for PC98 */ 8860711Snyanstatic bus_addr_t pcm_iat[] = { 8960711Snyan 0x000, 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x700, 9060711Snyan 0x800, 0x900, 0xa00, 0xb00, 0xc00, 0xd00, 0xe00, 0xf00 9160711Snyan}; 9260711Snyanstatic bus_addr_t midi_iat[] = { 9360711Snyan 0x000, 0x100 9460711Snyan}; 9560711Snyanstatic bus_addr_t opl_iat[] = { 9660711Snyan 0x000, 0x100, 0x200, 0x300 9760711Snyan}; 9860711Snyanstatic bus_addr_t *sb_iat[] = { pcm_iat, midi_iat, opl_iat }; 9960711Snyan#endif 10060711Snyan 10154462Scgstatic int sb_rd(struct resource *io, int reg); 10254462Scgstatic void sb_wr(struct resource *io, int reg, u_int8_t val); 10354462Scgstatic int sb_dspready(struct resource *io); 10454462Scgstatic int sb_cmd(struct resource *io, u_char val); 10554462Scgstatic u_int sb_get_byte(struct resource *io); 10654462Scgstatic void sb_setmixer(struct resource *io, u_int port, u_int value); 10754462Scg 10854462Scgstatic int 10954462Scgsb_rd(struct resource *io, int reg) 11054462Scg{ 11154462Scg return bus_space_read_1(rman_get_bustag(io), 11254462Scg rman_get_bushandle(io), 11354462Scg reg); 11454462Scg} 11554462Scg 11654462Scgstatic void 11754462Scgsb_wr(struct resource *io, int reg, u_int8_t val) 11854462Scg{ 11954462Scg return bus_space_write_1(rman_get_bustag(io), 12054462Scg rman_get_bushandle(io), 12154462Scg reg, val); 12254462Scg} 12354462Scg 12454462Scgstatic int 12554462Scgsb_dspready(struct resource *io) 12654462Scg{ 12754462Scg return ((sb_rd(io, SBDSP_STATUS) & 0x80) == 0); 12854462Scg} 12954462Scg 13054462Scgstatic int 13154462Scgsb_dspwr(struct resource *io, u_char val) 13254462Scg{ 13354462Scg int i; 13454462Scg 13554462Scg for (i = 0; i < 1000; i++) { 13654462Scg if (sb_dspready(io)) { 13754462Scg sb_wr(io, SBDSP_CMD, val); 13854462Scg return 1; 13954462Scg } 14054462Scg if (i > 10) DELAY((i > 100)? 1000 : 10); 14154462Scg } 14254462Scg printf("sb_dspwr(0x%02x) timed out.\n", val); 14354462Scg return 0; 14454462Scg} 14554462Scg 14654462Scgstatic int 14754462Scgsb_cmd(struct resource *io, u_char val) 14854462Scg{ 14954462Scg return sb_dspwr(io, val); 15054462Scg} 15154462Scg 15254462Scgstatic void 15354462Scgsb_setmixer(struct resource *io, u_int port, u_int value) 15454462Scg{ 15554462Scg u_long flags; 15654462Scg 15754462Scg flags = spltty(); 15854462Scg sb_wr(io, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 15954462Scg DELAY(10); 16054462Scg sb_wr(io, SB_MIX_DATA, (u_char) (value & 0xff)); 16154462Scg DELAY(10); 16254462Scg splx(flags); 16354462Scg} 16454462Scg 16554462Scgstatic u_int 16654462Scgsb_get_byte(struct resource *io) 16754462Scg{ 16854462Scg int i; 16954462Scg 17054462Scg for (i = 1000; i > 0; i--) { 17154462Scg if (sb_rd(io, DSP_DATA_AVAIL) & 0x80) 17254462Scg return sb_rd(io, DSP_READ); 17354462Scg else 17454462Scg DELAY(20); 17554462Scg } 17654462Scg return 0xffff; 17754462Scg} 17854462Scg 17954462Scgstatic int 18054462Scgsb_reset_dsp(struct resource *io) 18154462Scg{ 18254462Scg sb_wr(io, SBDSP_RST, 3); 18354462Scg DELAY(100); 18454462Scg sb_wr(io, SBDSP_RST, 0); 18554462Scg return (sb_get_byte(io) == 0xAA)? 0 : ENXIO; 18654462Scg} 18754462Scg 18854462Scgstatic int 18954462Scgsb_identify_board(struct resource *io) 19054462Scg{ 19154462Scg int ver, essver, rev; 19254462Scg 19354462Scg sb_cmd(io, DSP_CMD_GETVER); /* Get version */ 19454462Scg ver = (sb_get_byte(io) << 8) | sb_get_byte(io); 19554462Scg if (ver < 0x100 || ver > 0x4ff) return 0; 19654462Scg if (ver == 0x0301) { 19754462Scg /* Try to detect ESS chips. */ 19854462Scg sb_cmd(io, DSP_CMD_GETID); /* Return ident. bytes. */ 19954462Scg essver = (sb_get_byte(io) << 8) | sb_get_byte(io); 20054462Scg rev = essver & 0x000f; 20154462Scg essver &= 0xfff0; 20254462Scg if (essver == 0x4880) ver |= 0x1000; 20354462Scg else if (essver == 0x6880) ver = 0x0500 | rev; 20454462Scg } 20554462Scg return ver; 20654462Scg} 20754462Scg 20854118Stanimurastatic struct isa_pnp_id sbc_ids[] = { 20954961Speter {0x01008c0e, "Creative ViBRA16C"}, /* CTL0001 */ 21054961Speter {0x31008c0e, "Creative SB16/SB32"}, /* CTL0031 */ 21154961Speter {0x41008c0e, "Creative SB16/SB32"}, /* CTL0041 */ 21254961Speter {0x42008c0e, "Creative SB AWE64"}, /* CTL0042 */ 21354961Speter {0x43008c0e, "Creative ViBRA16X"}, /* CTL0043 */ 21454961Speter {0x44008c0e, "Creative SB AWE64 Gold"}, /* CTL0044 */ 21554961Speter {0x45008c0e, "Creative SB AWE64"}, /* CTL0045 */ 21654462Scg 21758385Scg {0x01000000, "Avance Logic ALS100+"}, /* @@@0001 - ViBRA16X clone */ 21854961Speter {0x01100000, "Avance Asound 110"}, /* @@@1001 */ 21958385Scg {0x01200000, "Avance Logic ALS120"}, /* @@@2001 - ViBRA16X clone */ 22054462Scg 22156721Sgallatin {0x02017316, "ESS ES1688"}, /* ESS1688 */ 22254961Speter {0x68187316, "ESS ES1868"}, /* ESS1868 */ 22361061Skuriyama {0x03007316, "ESS ES1869"}, /* ESS1869 */ 22454961Speter {0x69187316, "ESS ES1869"}, /* ESS1869 */ 22561569Sbrian {0xabb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ab */ 22654961Speter {0xacb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ac */ 22755848Sdeischen {0x78187316, "ESS ES1878"}, /* ESS1878 */ 22854961Speter {0x79187316, "ESS ES1879"}, /* ESS1879 */ 22954961Speter {0x88187316, "ESS ES1888"}, /* ESS1888 */ 23054961Speter {0x07017316, "ESS ES1888 (DEC OEM)"}, /* ESS0107 */ 23164845Scg {0x06017316, "ESS ES1888 (Dell OEM)"}, /* ESS0106 */ 23254118Stanimura {0} 23354118Stanimura}; 23454118Stanimura 23553553Stanimurastatic int 23653553Stanimurasbc_probe(device_t dev) 23753553Stanimura{ 23854462Scg char *s = NULL; 23956774Scg u_int32_t lid, vid; 24056774Scg 24156774Scg lid = isa_get_logicalid(dev); 24256774Scg vid = isa_get_vendorid(dev); 24356774Scg if (lid) { 24456774Scg if (lid == 0x01000000 && vid != 0x01009305) /* ALS0001 */ 24556774Scg return ENXIO; 24654462Scg /* Check pnp ids */ 24754462Scg return ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids); 24854462Scg } else { 24954462Scg int rid = 0, ver; 25054462Scg struct resource *io; 25153553Stanimura 25260711Snyan#ifdef PC98 25360711Snyan io = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, 25460711Snyan pcm_iat, 16, RF_ACTIVE); 25560711Snyan#else 25654462Scg io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 25754462Scg 0, ~0, 16, RF_ACTIVE); 25860711Snyan#endif 25954462Scg if (!io) goto bad; 26060711Snyan#ifdef PC98 26160711Snyan isa_load_resourcev(io, pcm_iat, 16); 26260711Snyan#endif 26354462Scg if (sb_reset_dsp(io)) goto bad2; 26454462Scg ver = sb_identify_board(io); 26554462Scg if (ver == 0) goto bad2; 26654462Scg switch ((ver & 0x00000f00) >> 8) { 26754462Scg case 1: 26854462Scg case 2: 26954462Scg s = "Soundblaster"; 27054462Scg break; 27154462Scg 27254462Scg case 3: 27354462Scg s = (ver & 0x0000f000)? "ESS 488" : "Soundblaster Pro"; 27454462Scg break; 27554462Scg 27654462Scg case 4: 27754462Scg s = "Soundblaster 16"; 27854462Scg break; 27954462Scg 28054462Scg case 5: 28154462Scg s = (ver & 0x00000008)? "ESS 688" : "ESS 1688"; 28254462Scg break; 28354462Scg } 28454462Scg if (s) device_set_desc(dev, s); 28554462Scgbad2: bus_release_resource(dev, SYS_RES_IOPORT, rid, io); 28654462Scgbad: return s? 0 : ENXIO; 28754462Scg } 28853553Stanimura} 28953553Stanimura 29053553Stanimurastatic int 29153553Stanimurasbc_attach(device_t dev) 29253553Stanimura{ 29354791Scg char *err = NULL; 29454462Scg struct sbc_softc *scp; 29554462Scg struct sndcard_func *func; 29654118Stanimura device_t child; 29754462Scg u_int32_t logical_id = isa_get_logicalid(dev); 29854462Scg int flags = device_get_flags(dev); 29954824Scg int f, dh, dl, x, irq, i; 30053553Stanimura 30154462Scg if (!logical_id && (flags & DV_F_DUAL_DMA)) { 30254462Scg bus_set_resource(dev, SYS_RES_DRQ, 1, 30354462Scg flags & DV_F_DRQ_MASK, 1); 30454462Scg } 30554462Scg 30653553Stanimura scp = device_get_softc(dev); 30753553Stanimura bzero(scp, sizeof(*scp)); 30854462Scg scp->dev = dev; 30954791Scg err = "alloc_resource"; 31054462Scg if (alloc_resource(scp)) goto bad; 31153553Stanimura 31254791Scg err = "sb_reset_dsp"; 31354462Scg if (sb_reset_dsp(scp->io[0])) goto bad; 31454791Scg err = "sb_identify_board"; 31554462Scg scp->bd_ver = sb_identify_board(scp->io[0]) & 0x00000fff; 31654462Scg if (scp->bd_ver == 0) goto bad; 31754791Scg f = 0; 31858385Scg if (logical_id == 0x01200000 && scp->bd_ver < 0x0400) scp->bd_ver = 0x0499; 31954462Scg switch ((scp->bd_ver & 0x0f00) >> 8) { 32054462Scg case 1: /* old sound blaster has nothing... */ 32154462Scg break; 32254462Scg 32354462Scg case 2: 32454462Scg f |= BD_F_DUP_MIDI; 32554462Scg if (scp->bd_ver > 0x200) f |= BD_F_MIX_CT1335; 32654462Scg break; 32754462Scg 32854462Scg case 5: 32954462Scg f |= BD_F_ESS; 33054462Scg scp->bd_ver = 0x0301; 33154462Scg case 3: 33254462Scg f |= BD_F_DUP_MIDI | BD_F_MIX_CT1345; 33354462Scg break; 33454462Scg 33554462Scg case 4: 33654462Scg f |= BD_F_SB16 | BD_F_MIX_CT1745; 33754791Scg if (scp->drq[0]) dl = rman_get_start(scp->drq[0]); else dl = -1; 33854462Scg if (scp->drq[1]) dh = rman_get_start(scp->drq[1]); else dh = dl; 33954846Scg if (!logical_id && (dh < dl)) { 34054846Scg struct resource *r; 34154846Scg r = scp->drq[0]; 34254846Scg scp->drq[0] = scp->drq[1]; 34354846Scg scp->drq[1] = r; 34454846Scg dl = rman_get_start(scp->drq[0]); 34554846Scg dh = rman_get_start(scp->drq[1]); 34654462Scg } 34754791Scg /* soft irq/dma configuration */ 34854791Scg x = -1; 34954824Scg irq = rman_get_start(scp->irq[0]); 35060711Snyan#ifdef PC98 35160711Snyan /* SB16 in PC98 use different IRQ table */ 35260711Snyan if (irq == 3) x = 1; 35360711Snyan else if (irq == 5) x = 8; 35460711Snyan else if (irq == 10) x = 2; 35560711Snyan else if (irq == 12) x = 4; 35660711Snyan if (x == -1) { 35760711Snyan err = "bad irq (3/5/10/12 valid)"; 35860711Snyan goto bad; 35960711Snyan } 36060711Snyan else sb_setmixer(scp->io[0], IRQ_NR, x); 36160711Snyan /* SB16 in PC98 use different dma setting */ 36260711Snyan sb_setmixer(scp->io[0], DMA_NR, dh == 0 ? 1 : 2); 36360711Snyan#else 36454791Scg if (irq == 5) x = 2; 36554791Scg else if (irq == 7) x = 4; 36654791Scg else if (irq == 9) x = 1; 36754791Scg else if (irq == 10) x = 8; 36854791Scg if (x == -1) { 36954791Scg err = "bad irq (5/7/9/10 valid)"; 37054791Scg goto bad; 37154791Scg } 37254791Scg else sb_setmixer(scp->io[0], IRQ_NR, x); 37354791Scg sb_setmixer(scp->io[0], DMA_NR, (1 << dh) | (1 << dl)); 37460711Snyan#endif 37565644Scg if (bootverbose) { 37665644Scg device_printf(dev, "setting card to irq %d, drq %d", irq, dl); 37765644Scg if (dl != dh) printf(", %d", dh); 37865644Scg printf("\n"); 37965644Scg } 38054462Scg break; 38154462Scg } 38254462Scg 38354462Scg switch (logical_id) { 38454961Speter case 0x43008c0e: /* CTL0043 */ 38558385Scg case 0x01200000: 38658385Scg case 0x01000000: 38754462Scg f |= BD_F_SB16X; 38854462Scg break; 38953553Stanimura } 39054462Scg scp->bd_ver |= f << 16; 39153553Stanimura 39254824Scg err = "setup_intr"; 39354824Scg for (i = 0; i < IRQ_MAX; i++) { 39465644Scg if (bus_setup_intr(dev, scp->irq[i], INTR_TYPE_TTY, sbc_intr, &scp->ihl[i], &scp->ih[i])) 39554824Scg goto bad; 39654824Scg } 39754824Scg 39854118Stanimura /* PCM Audio */ 39954118Stanimura func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 40054462Scg if (func == NULL) goto bad; 40154118Stanimura bzero(func, sizeof(*func)); 40254118Stanimura func->func = SCF_PCM; 40354118Stanimura child = device_add_child(dev, "pcm", -1); 40454118Stanimura device_set_ivars(child, func); 40554118Stanimura 40654118Stanimura /* Midi Interface */ 40754118Stanimura func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 40854462Scg if (func == NULL) goto bad; 40954118Stanimura bzero(func, sizeof(*func)); 41054118Stanimura func->func = SCF_MIDI; 41154118Stanimura child = device_add_child(dev, "midi", -1); 41254118Stanimura device_set_ivars(child, func); 41354118Stanimura 41454118Stanimura /* OPL FM Synthesizer */ 41554118Stanimura func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 41654462Scg if (func == NULL) goto bad; 41754118Stanimura bzero(func, sizeof(*func)); 41854118Stanimura func->func = SCF_SYNTH; 41954118Stanimura child = device_add_child(dev, "midi", -1); 42054118Stanimura device_set_ivars(child, func); 42154118Stanimura 42254462Scg /* probe/attach kids */ 42353553Stanimura bus_generic_attach(dev); 42453553Stanimura 42553553Stanimura return (0); 42654462Scg 42754791Scgbad: if (err) device_printf(dev, "%s\n", err); 42854791Scg release_resource(scp); 42954462Scg return (ENXIO); 43053553Stanimura} 43153553Stanimura 43265644Scgstatic int 43365644Scgsbc_detach(device_t dev) 43465644Scg{ 43565644Scg struct sbc_softc *scp = device_get_softc(dev); 43665644Scg 43765644Scg release_resource(scp); 43865644Scg return bus_generic_detach(dev); 43965644Scg} 44065644Scg 44154824Scgstatic void 44254824Scgsbc_intr(void *p) 44354824Scg{ 44454824Scg struct sbc_ihl *ihl = p; 44554824Scg int i; 44654824Scg 44754824Scg i = 0; 44854824Scg while (i < INTR_MAX) { 44954824Scg if (ihl->intr[i] != NULL) ihl->intr[i](ihl->intr_arg[i]); 45054824Scg i++; 45154824Scg } 45254824Scg} 45354824Scg 45454824Scgstatic int 45554824Scgsbc_setup_intr(device_t dev, device_t child, struct resource *irq, 45654824Scg int flags, driver_intr_t *intr, void *arg, 45754824Scg void **cookiep) 45854824Scg{ 45954824Scg struct sbc_softc *scp = device_get_softc(dev); 46054824Scg struct sbc_ihl *ihl = NULL; 46154824Scg int i; 46254824Scg 46354824Scg i = 0; 46454824Scg while (i < IRQ_MAX) { 46554824Scg if (irq == scp->irq[i]) ihl = &scp->ihl[i]; 46654824Scg i++; 46754824Scg } 46854824Scg if (ihl == NULL) return (EINVAL); 46954824Scg i = 0; 47054824Scg while (i < INTR_MAX) { 47154824Scg if (ihl->intr[i] == NULL) { 47254824Scg ihl->intr[i] = intr; 47354824Scg ihl->intr_arg[i] = arg; 47454824Scg *cookiep = &ihl->intr[i]; 47554824Scg return 0; 47654824Scg } else i++; 47754824Scg } 47854824Scg return (EINVAL); 47954824Scg} 48054824Scg 48154824Scgstatic int 48254824Scgsbc_teardown_intr(device_t dev, device_t child, struct resource *irq, 48354824Scg void *cookie) 48454824Scg{ 48554824Scg struct sbc_softc *scp = device_get_softc(dev); 48654824Scg struct sbc_ihl *ihl = NULL; 48754824Scg int i; 48854824Scg 48954824Scg i = 0; 49054824Scg while (i < IRQ_MAX) { 49154824Scg if (irq == scp->irq[i]) ihl = &scp->ihl[i]; 49254824Scg i++; 49354824Scg } 49454824Scg if (ihl == NULL) return (EINVAL); 49554824Scg i = 0; 49654824Scg while (i < INTR_MAX) { 49754824Scg if (cookie == &ihl->intr[i]) { 49854824Scg ihl->intr[i] = NULL; 49954824Scg ihl->intr_arg[i] = NULL; 50054824Scg return 0; 50154824Scg } else i++; 50254824Scg } 50354824Scg return (EINVAL); 50454824Scg} 50554824Scg 50653553Stanimurastatic struct resource * 50753553Stanimurasbc_alloc_resource(device_t bus, device_t child, int type, int *rid, 50853553Stanimura u_long start, u_long end, u_long count, u_int flags) 50953553Stanimura{ 51054462Scg struct sbc_softc *scp; 51153553Stanimura int *alloced, rid_max, alloced_max; 51253553Stanimura struct resource **res; 51360711Snyan#ifdef PC98 51460711Snyan int i; 51560711Snyan#endif 51653553Stanimura 51753553Stanimura scp = device_get_softc(bus); 51853553Stanimura switch (type) { 51953553Stanimura case SYS_RES_IOPORT: 52053553Stanimura alloced = scp->io_alloced; 52153553Stanimura res = scp->io; 52260711Snyan#ifdef PC98 52360711Snyan rid_max = 0; 52460711Snyan for (i = 0; i < IO_MAX; i++) 52560711Snyan rid_max += io_range[i]; 52660711Snyan#else 52754824Scg rid_max = IO_MAX - 1; 52860711Snyan#endif 52953553Stanimura alloced_max = 1; 53053553Stanimura break; 53154462Scg case SYS_RES_DRQ: 53254462Scg alloced = scp->drq_alloced; 53354462Scg res = scp->drq; 53454824Scg rid_max = DRQ_MAX - 1; 53554462Scg alloced_max = 1; 53654462Scg break; 53753553Stanimura case SYS_RES_IRQ: 53854824Scg alloced = scp->irq_alloced; 53954824Scg res = scp->irq; 54054824Scg rid_max = IRQ_MAX - 1; 54154824Scg alloced_max = INTR_MAX; /* pcm and mpu may share the irq. */ 54253553Stanimura break; 54353553Stanimura default: 54453553Stanimura return (NULL); 54553553Stanimura } 54653553Stanimura 54753553Stanimura if (*rid > rid_max || alloced[*rid] == alloced_max) 54853553Stanimura return (NULL); 54953553Stanimura 55053553Stanimura alloced[*rid]++; 55154961Speter return (res[*rid]); 55253553Stanimura} 55353553Stanimura 55453553Stanimurastatic int 55553553Stanimurasbc_release_resource(device_t bus, device_t child, int type, int rid, 55653553Stanimura struct resource *r) 55753553Stanimura{ 55854462Scg struct sbc_softc *scp; 55953553Stanimura int *alloced, rid_max; 56053553Stanimura 56153553Stanimura scp = device_get_softc(bus); 56253553Stanimura switch (type) { 56353553Stanimura case SYS_RES_IOPORT: 56453553Stanimura alloced = scp->io_alloced; 56554824Scg rid_max = IO_MAX - 1; 56653553Stanimura break; 56754462Scg case SYS_RES_DRQ: 56854462Scg alloced = scp->drq_alloced; 56954824Scg rid_max = DRQ_MAX - 1; 57054462Scg break; 57153553Stanimura case SYS_RES_IRQ: 57254824Scg alloced = scp->irq_alloced; 57354824Scg rid_max = IRQ_MAX - 1; 57453553Stanimura break; 57553553Stanimura default: 57653553Stanimura return (1); 57753553Stanimura } 57853553Stanimura 57953553Stanimura if (rid > rid_max || alloced[rid] == 0) 58053553Stanimura return (1); 58153553Stanimura 58253553Stanimura alloced[rid]--; 58353553Stanimura return (0); 58453553Stanimura} 58553553Stanimura 58653553Stanimurastatic int 58754462Scgsbc_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result) 58853553Stanimura{ 58954462Scg struct sbc_softc *scp = device_get_softc(bus); 59054462Scg struct sndcard_func *func = device_get_ivars(dev); 59154462Scg 59254462Scg switch (index) { 59354462Scg case 0: 59454462Scg *result = func->func; 59554462Scg break; 59654462Scg 59754462Scg case 1: 59854462Scg *result = scp->bd_ver; 59954462Scg break; 60054462Scg 60154462Scg default: 60254462Scg return ENOENT; 60354462Scg } 60454462Scg 60554462Scg return 0; 60654462Scg} 60754462Scg 60854462Scgstatic int 60954462Scgsbc_write_ivar(device_t bus, device_t dev, 61054462Scg int index, uintptr_t value) 61154462Scg{ 61254462Scg switch (index) { 61354462Scg case 0: 61454462Scg case 1: 61554462Scg return EINVAL; 61654462Scg 61754462Scg default: 61854462Scg return (ENOENT); 61954462Scg } 62054462Scg} 62154462Scg 62254462Scgstatic int 62354462Scgalloc_resource(struct sbc_softc *scp) 62454462Scg{ 62553553Stanimura int i; 62653553Stanimura 62754824Scg for (i = 0 ; i < IO_MAX ; i++) { 62853553Stanimura if (scp->io[i] == NULL) { 62960711Snyan#ifdef PC98 63060711Snyan scp->io_rid[i] = i > 0 ? 63160711Snyan scp->io_rid[i - 1] + io_range[i - 1] : 0; 63260711Snyan scp->io[i] = isa_alloc_resourcev(scp->dev, 63360711Snyan SYS_RES_IOPORT, 63460711Snyan &scp->io_rid[i], 63560711Snyan sb_iat[i], 63660711Snyan io_range[i], 63760711Snyan RF_ACTIVE); 63860711Snyan if (scp->io[i] != NULL) 63960711Snyan isa_load_resourcev(scp->io[i], sb_iat[i], 64060711Snyan io_range[i]); 64160711Snyan#else 64253553Stanimura scp->io_rid[i] = i; 64353553Stanimura scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i], 64453553Stanimura 0, ~0, io_range[i], RF_ACTIVE); 64560711Snyan#endif 64654462Scg if (i == 0 && scp->io[i] == NULL) 64753553Stanimura return (1); 64853553Stanimura scp->io_alloced[i] = 0; 64953553Stanimura } 65053553Stanimura } 65154824Scg for (i = 0 ; i < DRQ_MAX ; i++) { 65253553Stanimura if (scp->drq[i] == NULL) { 65353553Stanimura scp->drq_rid[i] = i; 65453553Stanimura scp->drq[i] = bus_alloc_resource(scp->dev, SYS_RES_DRQ, &scp->drq_rid[i], 65553553Stanimura 0, ~0, 1, RF_ACTIVE); 65654462Scg if (i == 0 && scp->drq[i] == NULL) 65753553Stanimura return (1); 65853553Stanimura scp->drq_alloced[i] = 0; 65953553Stanimura } 66053553Stanimura } 66154824Scg for (i = 0 ; i < IRQ_MAX ; i++) { 66265644Scg if (scp->irq[i] == NULL) { 66354824Scg scp->irq_rid[i] = i; 66454824Scg scp->irq[i] = bus_alloc_resource(scp->dev, SYS_RES_IRQ, &scp->irq_rid[i], 66554824Scg 0, ~0, 1, RF_ACTIVE); 66654824Scg if (i == 0 && scp->irq[i] == NULL) 66754824Scg return (1); 66854824Scg scp->irq_alloced[i] = 0; 66954824Scg } 67054462Scg } 67153553Stanimura return (0); 67253553Stanimura} 67353553Stanimura 67453553Stanimurastatic int 67554462Scgrelease_resource(struct sbc_softc *scp) 67653553Stanimura{ 67753553Stanimura int i; 67853553Stanimura 67954824Scg for (i = 0 ; i < IO_MAX ; i++) { 68053553Stanimura if (scp->io[i] != NULL) { 68153553Stanimura bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]); 68253553Stanimura scp->io[i] = NULL; 68353553Stanimura } 68453553Stanimura } 68554824Scg for (i = 0 ; i < DRQ_MAX ; i++) { 68653553Stanimura if (scp->drq[i] != NULL) { 68753553Stanimura bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]); 68853553Stanimura scp->drq[i] = NULL; 68953553Stanimura } 69053553Stanimura } 69154824Scg for (i = 0 ; i < IRQ_MAX ; i++) { 69254824Scg if (scp->irq[i] != NULL) { 69365644Scg if (scp->ih[i] != NULL) 69465644Scg bus_teardown_intr(scp->dev, scp->irq[i], scp->ih[i]); 69565644Scg scp->ih[i] = NULL; 69654824Scg bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid[i], scp->irq[i]); 69754824Scg scp->irq[i] = NULL; 69854824Scg } 69954824Scg } 70053553Stanimura return (0); 70153553Stanimura} 70253553Stanimura 70353553Stanimurastatic device_method_t sbc_methods[] = { 70453553Stanimura /* Device interface */ 70553553Stanimura DEVMETHOD(device_probe, sbc_probe), 70653553Stanimura DEVMETHOD(device_attach, sbc_attach), 70765644Scg DEVMETHOD(device_detach, sbc_detach), 70853553Stanimura DEVMETHOD(device_shutdown, bus_generic_shutdown), 70953553Stanimura DEVMETHOD(device_suspend, bus_generic_suspend), 71053553Stanimura DEVMETHOD(device_resume, bus_generic_resume), 71153553Stanimura 71253553Stanimura /* Bus interface */ 71354462Scg DEVMETHOD(bus_read_ivar, sbc_read_ivar), 71454462Scg DEVMETHOD(bus_write_ivar, sbc_write_ivar), 71553553Stanimura DEVMETHOD(bus_print_child, bus_generic_print_child), 71653553Stanimura DEVMETHOD(bus_alloc_resource, sbc_alloc_resource), 71753553Stanimura DEVMETHOD(bus_release_resource, sbc_release_resource), 71853553Stanimura DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 71953553Stanimura DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 72054824Scg DEVMETHOD(bus_setup_intr, sbc_setup_intr), 72154824Scg DEVMETHOD(bus_teardown_intr, sbc_teardown_intr), 72253553Stanimura 72353553Stanimura { 0, 0 } 72453553Stanimura}; 72553553Stanimura 72653553Stanimurastatic driver_t sbc_driver = { 72753553Stanimura "sbc", 72853553Stanimura sbc_methods, 72953553Stanimura sizeof(struct sbc_softc), 73053553Stanimura}; 73153553Stanimura 73254462Scg/* sbc can be attached to an isa bus. */ 73362483ScgDRIVER_MODULE(snd_sbc, isa, sbc_driver, sbc_devclass, 0, 0); 73462483ScgMODULE_DEPEND(snd_sbc, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); 73562483ScgMODULE_VERSION(snd_sbc, 1); 73662483Scg 73762483Scg 738