55 #define HDEVNAME(hp)	((hp)->sc->sc_dev.dv_xname)  argument
60 #define HREAD1(hp, reg)							\  argument
61 	(bus_space_read_1((hp)->iot, (hp)->ioh, (reg)))
62 #define HREAD2(hp, reg)							\  argument
63 	(bus_space_read_2((hp)->iot, (hp)->ioh, (reg)))
64 #define HREAD4(hp, reg)							\  argument
65 	(bus_space_read_4((hp)->iot, (hp)->ioh, (reg)))
66 #define HWRITE1(hp, reg, val)						\  argument
67 	bus_space_write_1((hp)->iot, (hp)->ioh, (reg), (val))
68 #define HWRITE2(hp, reg, val)						\  argument
69 	bus_space_write_2((hp)->iot, (hp)->ioh, (reg), (val))
70 #define HWRITE4(hp, reg, val)						\  argument
71 	bus_space_write_4((hp)->iot, (hp)->ioh, (reg), (val))
72 #define HCLR1(hp, reg, bits)						\  argument
73 	HWRITE1((hp), (reg), HREAD1((hp), (reg)) & ~(bits))
74 #define HCLR2(hp, reg, bits)						\  argument
75 	HWRITE2((hp), (reg), HREAD2((hp), (reg)) & ~(bits))
76 #define HSET1(hp, reg, bits)						\  argument
77 	HWRITE1((hp), (reg), HREAD1((hp), (reg)) | (bits))
78 #define HSET2(hp, reg, bits)						\  argument
79 	HWRITE2((hp), (reg), HREAD2((hp), (reg)) | (bits))
137 	struct sdhc_host *hp;  in sdhc_host_found()  local
158 	hp = malloc(sizeof(*hp), M_DEVBUF, M_WAITOK | M_ZERO);  in sdhc_host_found()
159 	sc->sc_host[sc->sc_nhosts - 1] = hp;  in sdhc_host_found()
162 	hp->sc = sc;  in sdhc_host_found()
163 	hp->iot = iot;  in sdhc_host_found()
164 	hp->ioh = ioh;  in sdhc_host_found()
169 	(void)sdhc_host_reset(hp);  in sdhc_host_found()
172 	caps = HREAD4(hp, SDHC_CAPABILITIES);  in sdhc_host_found()
176 		SET(hp->flags, SHF_USE_DMA);  in sdhc_host_found()
182 		hp->clkbase = SDHC_BASE_FREQ_KHZ(caps);  in sdhc_host_found()
183 	if (hp->clkbase == 0) {  in sdhc_host_found()
188 	} else if (hp->clkbase < 10000 || hp->clkbase > 63000) {  in sdhc_host_found()
191 		    sc->sc_dev.dv_xname, hp->clkbase / 1000);  in sdhc_host_found()
204 		SET(hp->ocr, MMC_OCR_1_7V_1_8V | MMC_OCR_1_8V_1_9V);  in sdhc_host_found()
206 		SET(hp->ocr, MMC_OCR_2_9V_3_0V | MMC_OCR_3_0V_3_1V);  in sdhc_host_found()
208 		SET(hp->ocr, MMC_OCR_3_2V_3_3V | MMC_OCR_3_3V_3_4V);  in sdhc_host_found()
216 		hp->maxblklen = 512;  in sdhc_host_found()
219 		hp->maxblklen = 1024;  in sdhc_host_found()
222 		hp->maxblklen = 2048;  in sdhc_host_found()
225 		hp->maxblklen = 1;  in sdhc_host_found()
236 	saa.sch = hp;  in sdhc_host_found()
238 	hp->sdmmc = config_found(&sc->sc_dev, &saa, NULL);  in sdhc_host_found()
239 	if (hp->sdmmc == NULL) {  in sdhc_host_found()
247 	free(hp, M_DEVBUF);  in sdhc_host_found()
260 	struct sdhc_host *hp;  in sdhc_power()  local
271 			hp = sc->sc_host[n];  in sdhc_power()
272 			for (i = 0; i < sizeof hp->regs; i++)  in sdhc_power()
273 				hp->regs[i] = HREAD1(hp, i);  in sdhc_power()
280 			hp = sc->sc_host[n];  in sdhc_power()
281 			(void)sdhc_host_reset(hp);  in sdhc_power()
282 			for (i = 0; i < sizeof hp->regs; i++)  in sdhc_power()
283 				HWRITE1(hp, i, hp->regs[i]);  in sdhc_power()
296 	struct sdhc_host *hp;  in sdhc_shutdown()  local
301 		hp = sc->sc_host[i];  in sdhc_shutdown()
302 		(void)sdhc_host_reset(hp);  in sdhc_shutdown()
313 	struct sdhc_host *hp = sch;  in sdhc_host_reset()  local
321 	HWRITE2(hp, SDHC_NINTR_SIGNAL_EN, 0);  in sdhc_host_reset()
327 	if ((error = sdhc_soft_reset(hp, SDHC_RESET_ALL)) != 0) {  in sdhc_host_reset()
333 	HWRITE1(hp, SDHC_TIMEOUT_CTL, SDHC_TIMEOUT_MAX);  in sdhc_host_reset()
341 	HWRITE2(hp, SDHC_NINTR_STATUS_EN, imask);  in sdhc_host_reset()
342 	HWRITE2(hp, SDHC_EINTR_STATUS_EN, SDHC_EINTR_STATUS_MASK);  in sdhc_host_reset()
343 	HWRITE2(hp, SDHC_NINTR_SIGNAL_EN, imask);  in sdhc_host_reset()
344 	HWRITE2(hp, SDHC_EINTR_SIGNAL_EN, SDHC_EINTR_SIGNAL_MASK);  in sdhc_host_reset()
353 	struct sdhc_host *hp = sch;  in sdhc_host_ocr()  local
354 	return hp->ocr;  in sdhc_host_ocr()
360 	struct sdhc_host *hp = sch;  in sdhc_host_maxblklen()  local
361 	return hp->maxblklen;  in sdhc_host_maxblklen()
370 	struct sdhc_host *hp = sch;  in sdhc_card_detect()  local
371 	return ISSET(HREAD4(hp, SDHC_PRESENT_STATE), SDHC_CARD_INSERTED) ?  in sdhc_card_detect()
382 	struct sdhc_host *hp = sch;  in sdhc_bus_power()  local
391 	if (!(hp->sc->sc_flags & SDHC_F_NOPWR0))  in sdhc_bus_power()
392 		HWRITE1(hp, SDHC_POWER_CTL, 0);  in sdhc_bus_power()
397 		(void)sdhc_host_reset(hp);  in sdhc_bus_power()
404 	ocr &= hp->ocr;  in sdhc_bus_power()
421 	HWRITE1(hp, SDHC_POWER_CTL, (vdd << SDHC_VOLTAGE_SHIFT) |  in sdhc_bus_power()
430 	if (!ISSET(HREAD1(hp, SDHC_POWER_CTL), SDHC_BUS_POWER)) {  in sdhc_bus_power()
444 sdhc_clock_divisor(struct sdhc_host *hp, u_int freq)  in sdhc_clock_divisor()  argument
449 		if ((hp->clkbase / div) <= freq)  in sdhc_clock_divisor()
462 	struct sdhc_host *hp = sch;  in sdhc_bus_clock()  local
472 	if (ISSET(HREAD4(hp, SDHC_PRESENT_STATE), SDHC_CMD_INHIBIT_MASK) &&  in sdhc_bus_clock()
473 	    sdhc_card_detect(hp))  in sdhc_bus_clock()
480 	HWRITE2(hp, SDHC_CLOCK_CTL, 0);  in sdhc_bus_clock()
487 	if ((div = sdhc_clock_divisor(hp, freq)) < 0) {  in sdhc_bus_clock()
492 	HWRITE2(hp, SDHC_CLOCK_CTL, div << SDHC_SDCLK_DIV_SHIFT);  in sdhc_bus_clock()
497 	HSET2(hp, SDHC_CLOCK_CTL, SDHC_INTCLK_ENABLE);  in sdhc_bus_clock()
499 		if (ISSET(HREAD2(hp, SDHC_CLOCK_CTL), SDHC_INTCLK_STABLE))  in sdhc_bus_clock()
511 	HSET2(hp, SDHC_CLOCK_CTL, SDHC_SDCLK_ENABLE);  in sdhc_bus_clock()
521 	struct sdhc_host *hp = sch;  in sdhc_card_intr_mask()  local
524 		HSET2(hp, SDHC_NINTR_STATUS_EN, SDHC_CARD_INTERRUPT);  in sdhc_card_intr_mask()
525 		HSET2(hp, SDHC_NINTR_SIGNAL_EN, SDHC_CARD_INTERRUPT);  in sdhc_card_intr_mask()
527 		HCLR2(hp, SDHC_NINTR_SIGNAL_EN, SDHC_CARD_INTERRUPT);  in sdhc_card_intr_mask()
528 		HCLR2(hp, SDHC_NINTR_STATUS_EN, SDHC_CARD_INTERRUPT);  in sdhc_card_intr_mask()
535 	struct sdhc_host *hp = sch;  in sdhc_card_intr_ack()  local
537 	HSET2(hp, SDHC_NINTR_STATUS_EN, SDHC_CARD_INTERRUPT);  in sdhc_card_intr_ack()
541 sdhc_wait_state(struct sdhc_host *hp, u_int32_t mask, u_int32_t value)  in sdhc_wait_state()  argument
547 		if (((state = HREAD4(hp, SDHC_PRESENT_STATE)) & mask)  in sdhc_wait_state()
552 	DPRINTF(0,("%s: timeout waiting for %x (state=%b)\n", HDEVNAME(hp),  in sdhc_wait_state()
560 	struct sdhc_host *hp = sch;  in sdhc_exec_command()  local
566 	error = sdhc_start_command(hp, cmd);  in sdhc_exec_command()
577 	if (!sdhc_wait_intr(hp, SDHC_COMMAND_COMPLETE,  in sdhc_exec_command()
595 				*p++ = HREAD1(hp, SDHC_RESPONSE + i);  in sdhc_exec_command()
597 			cmd->c_resp[0] = HREAD4(hp, SDHC_RESPONSE);  in sdhc_exec_command()
605 		sdhc_transfer_data(hp, cmd);  in sdhc_exec_command()
608 	HCLR1(hp, SDHC_HOST_CTL, SDHC_LED_ON);  in sdhc_exec_command()
611 	    HDEVNAME(hp), cmd->c_opcode, cmd->c_flags, cmd->c_error));  in sdhc_exec_command()
616 sdhc_start_command(struct sdhc_host *hp, struct sdmmc_command *cmd)  in sdhc_start_command()  argument
626 	    "proc=\"%s\"\n", HDEVNAME(hp), cmd->c_opcode, cmd->c_arg,  in sdhc_start_command()
642 			    HDEVNAME(hp), blksize);  in sdhc_start_command()
649 		printf("%s: too much data\n", HDEVNAME(hp));  in sdhc_start_command()
666 	if (ISSET(hp->flags, SHF_USE_DMA))  in sdhc_start_command()
693 	if ((error = sdhc_wait_state(hp, SDHC_CMD_INHIBIT_MASK, 0)) != 0)  in sdhc_start_command()
699 	HSET1(hp, SDHC_HOST_CTL, SDHC_LED_ON);  in sdhc_start_command()
704 	    HDEVNAME(hp), command, mode, blksize, blkcount));  in sdhc_start_command()
710 	HWRITE2(hp, SDHC_TRANSFER_MODE, mode);  in sdhc_start_command()
711 	HWRITE2(hp, SDHC_BLOCK_SIZE, blksize);  in sdhc_start_command()
713 		HWRITE2(hp, SDHC_BLOCK_COUNT, blkcount);  in sdhc_start_command()
714 	HWRITE4(hp, SDHC_ARGUMENT, cmd->c_arg);  in sdhc_start_command()
715 	HWRITE2(hp, SDHC_COMMAND, command);  in sdhc_start_command()
722 sdhc_transfer_data(struct sdhc_host *hp, struct sdmmc_command *cmd)  in sdhc_transfer_data()  argument
734 	DPRINTF(1,("%s: resp=%#x datalen=%d\n", HDEVNAME(hp),  in sdhc_transfer_data()
742 		    HDEVNAME(hp), MMC_R1(cmd->c_resp) & 0xff00);  in sdhc_transfer_data()
746 		if (!sdhc_wait_intr(hp, SDHC_BUFFER_READ_READY|  in sdhc_transfer_data()
752 		if ((error = sdhc_wait_state(hp, mask, mask)) != 0)  in sdhc_transfer_data()
757 			sdhc_read_data(hp, datap, i);  in sdhc_transfer_data()
759 			sdhc_write_data(hp, datap, i);  in sdhc_transfer_data()
765 	if (error == 0 && !sdhc_wait_intr(hp, SDHC_TRANSFER_COMPLETE,  in sdhc_transfer_data()
774 	    HDEVNAME(hp), cmd->c_error));  in sdhc_transfer_data()
778 sdhc_read_data(struct sdhc_host *hp, u_char *datap, int datalen)  in sdhc_read_data()  argument
781 		*(u_int32_t *)datap = HREAD4(hp, SDHC_DATA);  in sdhc_read_data()
786 		u_int32_t rv = HREAD4(hp, SDHC_DATA);  in sdhc_read_data()
795 sdhc_write_data(struct sdhc_host *hp, u_char *datap, int datalen)  in sdhc_write_data()  argument
799 		HWRITE4(hp, SDHC_DATA, *((u_int32_t *)datap));  in sdhc_write_data()
810 		HWRITE4(hp, SDHC_DATA, rv);  in sdhc_write_data()
816 sdhc_soft_reset(struct sdhc_host *hp, int mask)  in sdhc_soft_reset()  argument
820 	DPRINTF(1,("%s: software reset reg=%#x\n", HDEVNAME(hp), mask));  in sdhc_soft_reset()
822 	HWRITE1(hp, SDHC_SOFTWARE_RESET, mask);  in sdhc_soft_reset()
824 		if (!ISSET(HREAD1(hp, SDHC_SOFTWARE_RESET), mask))  in sdhc_soft_reset()
827 		HWRITE1(hp, SDHC_SOFTWARE_RESET, 0);  in sdhc_soft_reset()
830 		DPRINTF(1,("%s: timeout reg=%#x\n", HDEVNAME(hp),  in sdhc_soft_reset()
831 		    HREAD1(hp, SDHC_SOFTWARE_RESET)));  in sdhc_soft_reset()
832 		HWRITE1(hp, SDHC_SOFTWARE_RESET, 0);  in sdhc_soft_reset()
840 sdhc_wait_intr(struct sdhc_host *hp, int mask, int timo)  in sdhc_wait_intr()  argument
848 	status = hp->intr_status & mask;  in sdhc_wait_intr()
850 		if (tsleep(&hp->intr_status, PWAIT, "hcintr", timo)  in sdhc_wait_intr()
855 		status = hp->intr_status & mask;  in sdhc_wait_intr()
857 	hp->intr_status &= ~status;  in sdhc_wait_intr()
859 	DPRINTF(2,("%s: intr status %#x error %#x\n", HDEVNAME(hp), status,  in sdhc_wait_intr()
860 	    hp->intr_error_status));  in sdhc_wait_intr()
864 		hp->intr_error_status = 0;  in sdhc_wait_intr()
865 		(void)sdhc_soft_reset(hp, SDHC_RESET_DAT|SDHC_RESET_CMD);  in sdhc_wait_intr()
885 		struct sdhc_host *hp = sc->sc_host[host];  in sdhc_intr()  local
888 		if (hp == NULL)  in sdhc_intr()
892 		status = HREAD2(hp, SDHC_NINTR_STATUS);  in sdhc_intr()
897 		HWRITE2(hp, SDHC_NINTR_STATUS, status);  in sdhc_intr()
898 		DPRINTF(2,("%s: interrupt status=%b\n", HDEVNAME(hp),  in sdhc_intr()
911 			error = HREAD2(hp, SDHC_EINTR_STATUS);  in sdhc_intr()
912 			HWRITE2(hp, SDHC_EINTR_STATUS, error);  in sdhc_intr()
914 			    HDEVNAME(hp), error, SDHC_EINTR_STATUS_BITS));  in sdhc_intr()
918 				hp->intr_error_status |= error;  in sdhc_intr()
919 				hp->intr_status |= status;  in sdhc_intr()
920 				wakeup(&hp->intr_status);  in sdhc_intr()
928 			sdmmc_needs_discover(hp->sdmmc);  in sdhc_intr()
937 			hp->intr_status |= status;  in sdhc_intr()
938 			wakeup(&hp->intr_status);  in sdhc_intr()
945 			DPRINTF(0,("%s: card interrupt\n", HDEVNAME(hp)));  in sdhc_intr()
946 			HCLR2(hp, SDHC_NINTR_STATUS_EN, SDHC_CARD_INTERRUPT);  in sdhc_intr()
947 			sdmmc_card_intr(hp->sdmmc);  in sdhc_intr()
955 sdhc_dump_regs(struct sdhc_host *hp)  in sdhc_dump_regs()  argument
958 	    HREAD4(hp, SDHC_PRESENT_STATE), SDHC_PRESENT_STATE_BITS);  in sdhc_dump_regs()
960 	    HREAD1(hp, SDHC_POWER_CTL));  in sdhc_dump_regs()
962 	    HREAD2(hp, SDHC_NINTR_STATUS));  in sdhc_dump_regs()
964 	    HREAD2(hp, SDHC_EINTR_STATUS));  in sdhc_dump_regs()
966 	    HREAD2(hp, SDHC_NINTR_STATUS_EN));  in sdhc_dump_regs()
968 	    HREAD2(hp, SDHC_EINTR_STATUS_EN));  in sdhc_dump_regs()
970 	    HREAD2(hp, SDHC_NINTR_SIGNAL_EN));  in sdhc_dump_regs()
972 	    HREAD2(hp, SDHC_EINTR_SIGNAL_EN));  in sdhc_dump_regs()
974 	    HREAD4(hp, SDHC_CAPABILITIES));  in sdhc_dump_regs()
976 	    HREAD4(hp, SDHC_MAX_CAPABILITIES));  in sdhc_dump_regs()