87 static inline void wbsd_unlock_config(struct wbsd_host *host)  in wbsd_unlock_config()  argument
89 	BUG_ON(host->config == 0);  in wbsd_unlock_config()
91 	outb(host->unlock_code, host->config);  in wbsd_unlock_config()
92 	outb(host->unlock_code, host->config);  in wbsd_unlock_config()
95 static inline void wbsd_lock_config(struct wbsd_host *host)  in wbsd_lock_config()  argument
97 	BUG_ON(host->config == 0);  in wbsd_lock_config()
99 	outb(LOCK_CODE, host->config);  in wbsd_lock_config()
102 static inline void wbsd_write_config(struct wbsd_host *host, u8 reg, u8 value)  in wbsd_write_config()  argument
104 	BUG_ON(host->config == 0);  in wbsd_write_config()
106 	outb(reg, host->config);  in wbsd_write_config()
107 	outb(value, host->config + 1);  in wbsd_write_config()
110 static inline u8 wbsd_read_config(struct wbsd_host *host, u8 reg)  in wbsd_read_config()  argument
112 	BUG_ON(host->config == 0);  in wbsd_read_config()
114 	outb(reg, host->config);  in wbsd_read_config()
115 	return inb(host->config + 1);  in wbsd_read_config()
118 static inline void wbsd_write_index(struct wbsd_host *host, u8 index, u8 value)  in wbsd_write_index()  argument
120 	outb(index, host->base + WBSD_IDXR);  in wbsd_write_index()
121 	outb(value, host->base + WBSD_DATAR);  in wbsd_write_index()
124 static inline u8 wbsd_read_index(struct wbsd_host *host, u8 index)  in wbsd_read_index()  argument
126 	outb(index, host->base + WBSD_IDXR);  in wbsd_read_index()
127 	return inb(host->base + WBSD_DATAR);  in wbsd_read_index()
134 static void wbsd_init_device(struct wbsd_host *host)  in wbsd_init_device()  argument
141 	setup = wbsd_read_index(host, WBSD_IDX_SETUP);  in wbsd_init_device()
143 	wbsd_write_index(host, WBSD_IDX_SETUP, setup);  in wbsd_init_device()
149 	wbsd_write_index(host, WBSD_IDX_SETUP, setup);  in wbsd_init_device()
150 	host->flags &= ~WBSD_FIGNORE_DETECT;  in wbsd_init_device()
155 	host->clk = wbsd_read_index(host, WBSD_IDX_CLK);  in wbsd_init_device()
160 	outb(WBSD_POWER_N, host->base + WBSD_CSR);  in wbsd_init_device()
165 	wbsd_write_index(host, WBSD_IDX_TAAC, 0x7F);  in wbsd_init_device()
170 	if (inb(host->base + WBSD_CSR) & WBSD_CARDPRESENT)  in wbsd_init_device()
171 		host->flags |= WBSD_FCARD_PRESENT;  in wbsd_init_device()
173 		host->flags &= ~WBSD_FCARD_PRESENT;  in wbsd_init_device()
185 	outb(ier, host->base + WBSD_EIR);  in wbsd_init_device()
190 	inb(host->base + WBSD_ISR);  in wbsd_init_device()
193 static void wbsd_reset(struct wbsd_host *host)  in wbsd_reset()  argument
197 	pr_err("%s: Resetting chip\n", mmc_hostname(host->mmc));  in wbsd_reset()
202 	setup = wbsd_read_index(host, WBSD_IDX_SETUP);  in wbsd_reset()
204 	wbsd_write_index(host, WBSD_IDX_SETUP, setup);  in wbsd_reset()
207 static void wbsd_request_end(struct wbsd_host *host, struct mmc_request *mrq)  in wbsd_request_end()  argument
211 	if (host->dma >= 0) {  in wbsd_request_end()
216 		disable_dma(host->dma);  in wbsd_request_end()
217 		clear_dma_ff(host->dma);  in wbsd_request_end()
223 		wbsd_write_index(host, WBSD_IDX_DMA, 0);  in wbsd_request_end()
226 	host->mrq = NULL;  in wbsd_request_end()
231 	spin_unlock(&host->lock);  in wbsd_request_end()
232 	mmc_request_done(host->mmc, mrq);  in wbsd_request_end()
233 	spin_lock(&host->lock);  in wbsd_request_end()
240 static inline void wbsd_init_sg(struct wbsd_host *host, struct mmc_data *data)  in wbsd_init_sg()  argument
245 	host->cur_sg = data->sg;  in wbsd_init_sg()
246 	host->num_sg = data->sg_len;  in wbsd_init_sg()
248 	host->offset = 0;  in wbsd_init_sg()
249 	host->remain = host->cur_sg->length;  in wbsd_init_sg()
252 static inline int wbsd_next_sg(struct wbsd_host *host)  in wbsd_next_sg()  argument
257 	host->cur_sg++;  in wbsd_next_sg()
258 	host->num_sg--;  in wbsd_next_sg()
263 	if (host->num_sg > 0) {  in wbsd_next_sg()
264 		host->offset = 0;  in wbsd_next_sg()
265 		host->remain = host->cur_sg->length;  in wbsd_next_sg()
268 	return host->num_sg;  in wbsd_next_sg()
271 static inline char *wbsd_map_sg(struct wbsd_host *host)  in wbsd_map_sg()  argument
273 	return kmap_atomic(sg_page(host->cur_sg)) + host->cur_sg->offset;  in wbsd_map_sg()
276 static inline void wbsd_sg_to_dma(struct wbsd_host *host, struct mmc_data *data)  in wbsd_sg_to_dma()  argument
283 	sg_copy_to_buffer(data->sg, data->sg_len, host->dma_buffer, len);  in wbsd_sg_to_dma()
286 static inline void wbsd_dma_to_sg(struct wbsd_host *host, struct mmc_data *data)  in wbsd_dma_to_sg()  argument
293 	sg_copy_from_buffer(data->sg, data->sg_len, host->dma_buffer, len);  in wbsd_dma_to_sg()
300 static inline void wbsd_get_short_reply(struct wbsd_host *host,  in wbsd_get_short_reply()  argument
306 	if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT) {  in wbsd_get_short_reply()
311 	cmd->resp[0]  = wbsd_read_index(host, WBSD_IDX_RESP12) << 24;  in wbsd_get_short_reply()
312 	cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP13) << 16;  in wbsd_get_short_reply()
313 	cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP14) << 8;  in wbsd_get_short_reply()
314 	cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP15) << 0;  in wbsd_get_short_reply()
315 	cmd->resp[1]  = wbsd_read_index(host, WBSD_IDX_RESP16) << 24;  in wbsd_get_short_reply()
318 static inline void wbsd_get_long_reply(struct wbsd_host *host,  in wbsd_get_long_reply()  argument
326 	if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG) {  in wbsd_get_long_reply()
333 			wbsd_read_index(host, WBSD_IDX_RESP1 + i * 4) << 24;  in wbsd_get_long_reply()
335 			wbsd_read_index(host, WBSD_IDX_RESP2 + i * 4) << 16;  in wbsd_get_long_reply()
337 			wbsd_read_index(host, WBSD_IDX_RESP3 + i * 4) << 8;  in wbsd_get_long_reply()
339 			wbsd_read_index(host, WBSD_IDX_RESP4 + i * 4) << 0;  in wbsd_get_long_reply()
343 static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd)  in wbsd_send_command()  argument
353 	host->isr = 0;  in wbsd_send_command()
358 	outb(cmd->opcode, host->base + WBSD_CMDR);  in wbsd_send_command()
360 		outb((cmd->arg >> (i * 8)) & 0xff, host->base + WBSD_CMDR);  in wbsd_send_command()
368 		status = wbsd_read_index(host, WBSD_IDX_STATUS);  in wbsd_send_command()
378 		isr = host->isr;  in wbsd_send_command()
392 				wbsd_get_long_reply(host, cmd);  in wbsd_send_command()
394 				wbsd_get_short_reply(host, cmd);  in wbsd_send_command()
403 static void wbsd_empty_fifo(struct wbsd_host *host)  in wbsd_empty_fifo()  argument
405 	struct mmc_data *data = host->mrq->cmd->data;  in wbsd_empty_fifo()
412 	if (host->num_sg == 0)  in wbsd_empty_fifo()
415 	buffer = wbsd_map_sg(host) + host->offset;  in wbsd_empty_fifo()
422 	while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_EMPTY)) {  in wbsd_empty_fifo()
435 			buffer[idx++] = inb(host->base + WBSD_DFR);  in wbsd_empty_fifo()
436 			host->offset++;  in wbsd_empty_fifo()
437 			host->remain--;  in wbsd_empty_fifo()
444 			if (host->remain == 0) {  in wbsd_empty_fifo()
449 				if (!wbsd_next_sg(host))  in wbsd_empty_fifo()
452 				buffer = wbsd_map_sg(host);  in wbsd_empty_fifo()
465 		tasklet_schedule(&host->fifo_tasklet);  in wbsd_empty_fifo()
468 static void wbsd_fill_fifo(struct wbsd_host *host)  in wbsd_fill_fifo()  argument
470 	struct mmc_data *data = host->mrq->cmd->data;  in wbsd_fill_fifo()
478 	if (host->num_sg == 0)  in wbsd_fill_fifo()
481 	buffer = wbsd_map_sg(host) + host->offset;  in wbsd_fill_fifo()
488 	while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_FULL)) {  in wbsd_fill_fifo()
501 			outb(buffer[idx], host->base + WBSD_DFR);  in wbsd_fill_fifo()
502 			host->offset++;  in wbsd_fill_fifo()
503 			host->remain--;  in wbsd_fill_fifo()
510 			if (host->remain == 0) {  in wbsd_fill_fifo()
515 				if (!wbsd_next_sg(host))  in wbsd_fill_fifo()
518 				buffer = wbsd_map_sg(host);  in wbsd_fill_fifo()
530 	tasklet_schedule(&host->fifo_tasklet);  in wbsd_fill_fifo()
533 static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)  in wbsd_prepare_data()  argument
550 		wbsd_write_index(host, WBSD_IDX_TAAC, 127);  in wbsd_prepare_data()
552 		wbsd_write_index(host, WBSD_IDX_TAAC,  in wbsd_prepare_data()
557 		wbsd_write_index(host, WBSD_IDX_NSAC, 255);  in wbsd_prepare_data()
559 		wbsd_write_index(host, WBSD_IDX_NSAC, data->timeout_clks);  in wbsd_prepare_data()
569 	if (host->bus_width == MMC_BUS_WIDTH_1) {  in wbsd_prepare_data()
572 		wbsd_write_index(host, WBSD_IDX_PBSMSB, (blksize >> 4) & 0xF0);  in wbsd_prepare_data()
573 		wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF);  in wbsd_prepare_data()
574 	} else if (host->bus_width == MMC_BUS_WIDTH_4) {  in wbsd_prepare_data()
577 		wbsd_write_index(host, WBSD_IDX_PBSMSB,  in wbsd_prepare_data()
579 		wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF);  in wbsd_prepare_data()
590 	setup = wbsd_read_index(host, WBSD_IDX_SETUP);  in wbsd_prepare_data()
592 	wbsd_write_index(host, WBSD_IDX_SETUP, setup);  in wbsd_prepare_data()
597 	if (host->dma >= 0) {  in wbsd_prepare_data()
612 			wbsd_sg_to_dma(host, data);  in wbsd_prepare_data()
618 		disable_dma(host->dma);  in wbsd_prepare_data()
619 		clear_dma_ff(host->dma);  in wbsd_prepare_data()
621 			set_dma_mode(host->dma, DMA_MODE_READ & ~0x40);  in wbsd_prepare_data()
623 			set_dma_mode(host->dma, DMA_MODE_WRITE & ~0x40);  in wbsd_prepare_data()
624 		set_dma_addr(host->dma, host->dma_addr);  in wbsd_prepare_data()
625 		set_dma_count(host->dma, size);  in wbsd_prepare_data()
627 		enable_dma(host->dma);  in wbsd_prepare_data()
633 		wbsd_write_index(host, WBSD_IDX_DMA, WBSD_DMA_ENABLE);  in wbsd_prepare_data()
639 		host->firsterr = 1;  in wbsd_prepare_data()
644 		wbsd_init_sg(host, data);  in wbsd_prepare_data()
649 		wbsd_write_index(host, WBSD_IDX_DMA, 0);  in wbsd_prepare_data()
656 			wbsd_write_index(host, WBSD_IDX_FIFOEN,  in wbsd_prepare_data()
659 			wbsd_write_index(host, WBSD_IDX_FIFOEN,  in wbsd_prepare_data()
661 			wbsd_fill_fifo(host);  in wbsd_prepare_data()
668 static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data)  in wbsd_finish_data()  argument
674 	WARN_ON(host->mrq == NULL);  in wbsd_finish_data()
680 		wbsd_send_command(host, data->stop);  in wbsd_finish_data()
687 		status = wbsd_read_index(host, WBSD_IDX_STATUS);  in wbsd_finish_data()
693 	if (host->dma >= 0) {  in wbsd_finish_data()
697 		wbsd_write_index(host, WBSD_IDX_DMA, 0);  in wbsd_finish_data()
703 		disable_dma(host->dma);  in wbsd_finish_data()
704 		clear_dma_ff(host->dma);  in wbsd_finish_data()
705 		count = get_dma_residue(host->dma);  in wbsd_finish_data()
708 		data->bytes_xfered = host->mrq->data->blocks *  in wbsd_finish_data()
709 			host->mrq->data->blksz - count;  in wbsd_finish_data()
718 				mmc_hostname(host->mmc), count);  in wbsd_finish_data()
728 				wbsd_dma_to_sg(host, data);  in wbsd_finish_data()
737 	wbsd_request_end(host, host->mrq);  in wbsd_finish_data()
748 	struct wbsd_host *host = mmc_priv(mmc);  in wbsd_request()  local
754 	spin_lock_bh(&host->lock);  in wbsd_request()
756 	BUG_ON(host->mrq != NULL);  in wbsd_request()
760 	host->mrq = mrq;  in wbsd_request()
765 	if (!(host->flags & WBSD_FCARD_PRESENT)) {  in wbsd_request()
798 				mmc_hostname(host->mmc), cmd->opcode);  in wbsd_request()
809 		wbsd_prepare_data(host, cmd->data);  in wbsd_request()
815 	wbsd_send_command(host, cmd);  in wbsd_request()
826 		if (host->dma == -1)  in wbsd_request()
827 			tasklet_schedule(&host->fifo_tasklet);  in wbsd_request()
829 		spin_unlock_bh(&host->lock);  in wbsd_request()
835 	wbsd_request_end(host, mrq);  in wbsd_request()
837 	spin_unlock_bh(&host->lock);  in wbsd_request()
842 	struct wbsd_host *host = mmc_priv(mmc);  in wbsd_set_ios()  local
845 	spin_lock_bh(&host->lock);  in wbsd_set_ios()
852 		wbsd_init_device(host);  in wbsd_set_ios()
867 	if (clk != host->clk) {  in wbsd_set_ios()
868 		wbsd_write_index(host, WBSD_IDX_CLK, clk);  in wbsd_set_ios()
869 		host->clk = clk;  in wbsd_set_ios()
876 		pwr = inb(host->base + WBSD_CSR);  in wbsd_set_ios()
878 		outb(pwr, host->base + WBSD_CSR);  in wbsd_set_ios()
886 	setup = wbsd_read_index(host, WBSD_IDX_SETUP);  in wbsd_set_ios()
890 		host->flags |= WBSD_FIGNORE_DETECT;  in wbsd_set_ios()
899 			mod_timer(&host->ignore_timer, jiffies + HZ / 100);  in wbsd_set_ios()
902 	wbsd_write_index(host, WBSD_IDX_SETUP, setup);  in wbsd_set_ios()
908 	host->bus_width = ios->bus_width;  in wbsd_set_ios()
910 	spin_unlock_bh(&host->lock);  in wbsd_set_ios()
915 	struct wbsd_host *host = mmc_priv(mmc);  in wbsd_get_ro()  local
918 	spin_lock_bh(&host->lock);  in wbsd_get_ro()
920 	csr = inb(host->base + WBSD_CSR);  in wbsd_get_ro()
922 	outb(csr, host->base + WBSD_CSR);  in wbsd_get_ro()
926 	csr = inb(host->base + WBSD_CSR);  in wbsd_get_ro()
928 	outb(csr, host->base + WBSD_CSR);  in wbsd_get_ro()
930 	spin_unlock_bh(&host->lock);  in wbsd_get_ro()
953 	struct wbsd_host *host = from_timer(host, t, ignore_timer);  in wbsd_reset_ignore()  local
955 	BUG_ON(host == NULL);  in wbsd_reset_ignore()
959 	spin_lock_bh(&host->lock);  in wbsd_reset_ignore()
961 	host->flags &= ~WBSD_FIGNORE_DETECT;  in wbsd_reset_ignore()
967 	tasklet_schedule(&host->card_tasklet);  in wbsd_reset_ignore()
969 	spin_unlock_bh(&host->lock);  in wbsd_reset_ignore()
976 static inline struct mmc_data *wbsd_get_data(struct wbsd_host *host)  in wbsd_get_data()  argument
978 	WARN_ON(!host->mrq);  in wbsd_get_data()
979 	if (!host->mrq)  in wbsd_get_data()
982 	WARN_ON(!host->mrq->cmd);  in wbsd_get_data()
983 	if (!host->mrq->cmd)  in wbsd_get_data()
986 	WARN_ON(!host->mrq->cmd->data);  in wbsd_get_data()
987 	if (!host->mrq->cmd->data)  in wbsd_get_data()
990 	return host->mrq->cmd->data;  in wbsd_get_data()
995 	struct wbsd_host *host = (struct wbsd_host *)param;  in wbsd_tasklet_card()  local
999 	spin_lock(&host->lock);  in wbsd_tasklet_card()
1001 	if (host->flags & WBSD_FIGNORE_DETECT) {  in wbsd_tasklet_card()
1002 		spin_unlock(&host->lock);  in wbsd_tasklet_card()
1006 	csr = inb(host->base + WBSD_CSR);  in wbsd_tasklet_card()
1010 		if (!(host->flags & WBSD_FCARD_PRESENT)) {  in wbsd_tasklet_card()
1012 			host->flags |= WBSD_FCARD_PRESENT;  in wbsd_tasklet_card()
1016 	} else if (host->flags & WBSD_FCARD_PRESENT) {  in wbsd_tasklet_card()
1018 		host->flags &= ~WBSD_FCARD_PRESENT;  in wbsd_tasklet_card()
1020 		if (host->mrq) {  in wbsd_tasklet_card()
1022 				mmc_hostname(host->mmc));  in wbsd_tasklet_card()
1023 			wbsd_reset(host);  in wbsd_tasklet_card()
1025 			host->mrq->cmd->error = -ENOMEDIUM;  in wbsd_tasklet_card()
1026 			tasklet_schedule(&host->finish_tasklet);  in wbsd_tasklet_card()
1036 	spin_unlock(&host->lock);  in wbsd_tasklet_card()
1039 		mmc_detect_change(host->mmc, msecs_to_jiffies(delay));  in wbsd_tasklet_card()
1044 	struct wbsd_host *host = (struct wbsd_host *)param;  in wbsd_tasklet_fifo()  local
1047 	spin_lock(&host->lock);  in wbsd_tasklet_fifo()
1049 	if (!host->mrq)  in wbsd_tasklet_fifo()
1052 	data = wbsd_get_data(host);  in wbsd_tasklet_fifo()
1057 		wbsd_fill_fifo(host);  in wbsd_tasklet_fifo()
1059 		wbsd_empty_fifo(host);  in wbsd_tasklet_fifo()
1064 	if (host->num_sg == 0) {  in wbsd_tasklet_fifo()
1065 		wbsd_write_index(host, WBSD_IDX_FIFOEN, 0);  in wbsd_tasklet_fifo()
1066 		tasklet_schedule(&host->finish_tasklet);  in wbsd_tasklet_fifo()
1070 	spin_unlock(&host->lock);  in wbsd_tasklet_fifo()
1075 	struct wbsd_host *host = (struct wbsd_host *)param;  in wbsd_tasklet_crc()  local
1078 	spin_lock(&host->lock);  in wbsd_tasklet_crc()
1080 	if (!host->mrq)  in wbsd_tasklet_crc()
1083 	data = wbsd_get_data(host);  in wbsd_tasklet_crc()
1091 	tasklet_schedule(&host->finish_tasklet);  in wbsd_tasklet_crc()
1094 	spin_unlock(&host->lock);  in wbsd_tasklet_crc()
1099 	struct wbsd_host *host = (struct wbsd_host *)param;  in wbsd_tasklet_timeout()  local
1102 	spin_lock(&host->lock);  in wbsd_tasklet_timeout()
1104 	if (!host->mrq)  in wbsd_tasklet_timeout()
1107 	data = wbsd_get_data(host);  in wbsd_tasklet_timeout()
1115 	tasklet_schedule(&host->finish_tasklet);  in wbsd_tasklet_timeout()
1118 	spin_unlock(&host->lock);  in wbsd_tasklet_timeout()
1123 	struct wbsd_host *host = (struct wbsd_host *)param;  in wbsd_tasklet_finish()  local
1126 	spin_lock(&host->lock);  in wbsd_tasklet_finish()
1128 	WARN_ON(!host->mrq);  in wbsd_tasklet_finish()
1129 	if (!host->mrq)  in wbsd_tasklet_finish()
1132 	data = wbsd_get_data(host);  in wbsd_tasklet_finish()
1136 	wbsd_finish_data(host, data);  in wbsd_tasklet_finish()
1139 	spin_unlock(&host->lock);  in wbsd_tasklet_finish()
1148 	struct wbsd_host *host = dev_id;  in wbsd_irq()  local
1151 	isr = inb(host->base + WBSD_ISR);  in wbsd_irq()
1159 	host->isr |= isr;  in wbsd_irq()
1165 		tasklet_schedule(&host->card_tasklet);  in wbsd_irq()
1167 		tasklet_schedule(&host->fifo_tasklet);  in wbsd_irq()
1169 		tasklet_hi_schedule(&host->crc_tasklet);  in wbsd_irq()
1171 		tasklet_hi_schedule(&host->timeout_tasklet);  in wbsd_irq()
1173 		tasklet_schedule(&host->finish_tasklet);  in wbsd_irq()
1191 	struct wbsd_host *host;  in wbsd_alloc_mmc()  local
1200 	host = mmc_priv(mmc);  in wbsd_alloc_mmc()
1201 	host->mmc = mmc;  in wbsd_alloc_mmc()
1203 	host->dma = -1;  in wbsd_alloc_mmc()
1214 	spin_lock_init(&host->lock);  in wbsd_alloc_mmc()
1219 	timer_setup(&host->ignore_timer, wbsd_reset_ignore, 0);  in wbsd_alloc_mmc()
1258 	struct wbsd_host *host;  in wbsd_free_mmc()  local
1264 	host = mmc_priv(mmc);  in wbsd_free_mmc()
1265 	BUG_ON(host == NULL);  in wbsd_free_mmc()
1267 	del_timer_sync(&host->ignore_timer);  in wbsd_free_mmc()
1278 static int wbsd_scan(struct wbsd_host *host)  in wbsd_scan()  argument
1294 			host->config = config_ports[i];  in wbsd_scan()
1295 			host->unlock_code = unlock_codes[j];  in wbsd_scan()
1297 			wbsd_unlock_config(host);  in wbsd_scan()
1305 			wbsd_lock_config(host);  in wbsd_scan()
1309 					host->chip_id = id;  in wbsd_scan()
1324 	host->config = 0;  in wbsd_scan()
1325 	host->unlock_code = 0;  in wbsd_scan()
1334 static int wbsd_request_region(struct wbsd_host *host, int base)  in wbsd_request_region()  argument
1342 	host->base = base;  in wbsd_request_region()
1347 static void wbsd_release_regions(struct wbsd_host *host)  in wbsd_release_regions()  argument
1349 	if (host->base)  in wbsd_release_regions()
1350 		release_region(host->base, 8);  in wbsd_release_regions()
1352 	host->base = 0;  in wbsd_release_regions()
1354 	if (host->config)  in wbsd_release_regions()
1355 		release_region(host->config, 2);  in wbsd_release_regions()
1357 	host->config = 0;  in wbsd_release_regions()
1364 static void wbsd_request_dma(struct wbsd_host *host, int dma)  in wbsd_request_dma()  argument
1376 	host->dma_buffer = kmalloc(WBSD_DMA_SIZE,  in wbsd_request_dma()
1378 	if (!host->dma_buffer)  in wbsd_request_dma()
1384 	host->dma_addr = dma_map_single(mmc_dev(host->mmc), host->dma_buffer,  in wbsd_request_dma()
1386 	if (dma_mapping_error(mmc_dev(host->mmc), host->dma_addr))  in wbsd_request_dma()
1392 	if ((host->dma_addr & 0xffff) != 0)  in wbsd_request_dma()
1397 	else if (host->dma_addr >= 0x1000000)  in wbsd_request_dma()
1400 	host->dma = dma;  in wbsd_request_dma()
1410 	dma_unmap_single(mmc_dev(host->mmc), host->dma_addr,  in wbsd_request_dma()
1412 	host->dma_addr = 0;  in wbsd_request_dma()
1415 	kfree(host->dma_buffer);  in wbsd_request_dma()
1416 	host->dma_buffer = NULL;  in wbsd_request_dma()
1426 static void wbsd_release_dma(struct wbsd_host *host)  in wbsd_release_dma()  argument
1431 	if (host->dma_buffer) {  in wbsd_release_dma()
1432 		dma_unmap_single(mmc_dev(host->mmc), host->dma_addr,  in wbsd_release_dma()
1434 		kfree(host->dma_buffer);  in wbsd_release_dma()
1436 	if (host->dma >= 0)  in wbsd_release_dma()
1437 		free_dma(host->dma);  in wbsd_release_dma()
1439 	host->dma = -1;  in wbsd_release_dma()
1440 	host->dma_buffer = NULL;  in wbsd_release_dma()
1441 	host->dma_addr = 0;  in wbsd_release_dma()
1448 static int wbsd_request_irq(struct wbsd_host *host, int irq)  in wbsd_request_irq()  argument
1455 	tasklet_init(&host->card_tasklet, wbsd_tasklet_card,  in wbsd_request_irq()
1456 			(unsigned long)host);  in wbsd_request_irq()
1457 	tasklet_init(&host->fifo_tasklet, wbsd_tasklet_fifo,  in wbsd_request_irq()
1458 			(unsigned long)host);  in wbsd_request_irq()
1459 	tasklet_init(&host->crc_tasklet, wbsd_tasklet_crc,  in wbsd_request_irq()
1460 			(unsigned long)host);  in wbsd_request_irq()
1461 	tasklet_init(&host->timeout_tasklet, wbsd_tasklet_timeout,  in wbsd_request_irq()
1462 			(unsigned long)host);  in wbsd_request_irq()
1463 	tasklet_init(&host->finish_tasklet, wbsd_tasklet_finish,  in wbsd_request_irq()
1464 			(unsigned long)host);  in wbsd_request_irq()
1469 	ret = request_irq(irq, wbsd_irq, IRQF_SHARED, DRIVER_NAME, host);  in wbsd_request_irq()
1473 	host->irq = irq;  in wbsd_request_irq()
1478 static void  wbsd_release_irq(struct wbsd_host *host)  in wbsd_release_irq()  argument
1480 	if (!host->irq)  in wbsd_release_irq()
1483 	free_irq(host->irq, host);  in wbsd_release_irq()
1485 	host->irq = 0;  in wbsd_release_irq()
1487 	tasklet_kill(&host->card_tasklet);  in wbsd_release_irq()
1488 	tasklet_kill(&host->fifo_tasklet);  in wbsd_release_irq()
1489 	tasklet_kill(&host->crc_tasklet);  in wbsd_release_irq()
1490 	tasklet_kill(&host->timeout_tasklet);  in wbsd_release_irq()
1491 	tasklet_kill(&host->finish_tasklet);  in wbsd_release_irq()
1498 static int wbsd_request_resources(struct wbsd_host *host,  in wbsd_request_resources()  argument
1506 	ret = wbsd_request_region(host, base);  in wbsd_request_resources()
1513 	ret = wbsd_request_irq(host, irq);  in wbsd_request_resources()
1520 	wbsd_request_dma(host, dma);  in wbsd_request_resources()
1529 static void wbsd_release_resources(struct wbsd_host *host)  in wbsd_release_resources()  argument
1531 	wbsd_release_dma(host);  in wbsd_release_resources()
1532 	wbsd_release_irq(host);  in wbsd_release_resources()
1533 	wbsd_release_regions(host);  in wbsd_release_resources()
1540 static void wbsd_chip_config(struct wbsd_host *host)  in wbsd_chip_config()  argument
1542 	wbsd_unlock_config(host);  in wbsd_chip_config()
1547 	wbsd_write_config(host, WBSD_CONF_SWRST, 1);  in wbsd_chip_config()
1548 	wbsd_write_config(host, WBSD_CONF_SWRST, 0);  in wbsd_chip_config()
1553 	wbsd_write_config(host, WBSD_CONF_DEVICE, DEVICE_SD);  in wbsd_chip_config()
1558 	wbsd_write_config(host, WBSD_CONF_PINS, WBSD_PINS_DETECT_GP11);  in wbsd_chip_config()
1563 	wbsd_write_config(host, WBSD_CONF_PORT_HI, host->base >> 8);  in wbsd_chip_config()
1564 	wbsd_write_config(host, WBSD_CONF_PORT_LO, host->base & 0xff);  in wbsd_chip_config()
1566 	wbsd_write_config(host, WBSD_CONF_IRQ, host->irq);  in wbsd_chip_config()
1568 	if (host->dma >= 0)  in wbsd_chip_config()
1569 		wbsd_write_config(host, WBSD_CONF_DRQ, host->dma);  in wbsd_chip_config()
1574 	wbsd_write_config(host, WBSD_CONF_ENABLE, 1);  in wbsd_chip_config()
1575 	wbsd_write_config(host, WBSD_CONF_POWER, 0x20);  in wbsd_chip_config()
1577 	wbsd_lock_config(host);  in wbsd_chip_config()
1584 static int wbsd_chip_validate(struct wbsd_host *host)  in wbsd_chip_validate()  argument
1588 	wbsd_unlock_config(host);  in wbsd_chip_validate()
1593 	wbsd_write_config(host, WBSD_CONF_DEVICE, DEVICE_SD);  in wbsd_chip_validate()
1598 	base = wbsd_read_config(host, WBSD_CONF_PORT_HI) << 8;  in wbsd_chip_validate()
1599 	base |= wbsd_read_config(host, WBSD_CONF_PORT_LO);  in wbsd_chip_validate()
1601 	irq = wbsd_read_config(host, WBSD_CONF_IRQ);  in wbsd_chip_validate()
1603 	dma = wbsd_read_config(host, WBSD_CONF_DRQ);  in wbsd_chip_validate()
1605 	wbsd_lock_config(host);  in wbsd_chip_validate()
1610 	if (base != host->base)  in wbsd_chip_validate()
1612 	if (irq != host->irq)  in wbsd_chip_validate()
1614 	if ((dma != host->dma) && (host->dma != -1))  in wbsd_chip_validate()
1624 static void wbsd_chip_poweroff(struct wbsd_host *host)  in wbsd_chip_poweroff()  argument
1626 	wbsd_unlock_config(host);  in wbsd_chip_poweroff()
1628 	wbsd_write_config(host, WBSD_CONF_DEVICE, DEVICE_SD);  in wbsd_chip_poweroff()
1629 	wbsd_write_config(host, WBSD_CONF_ENABLE, 0);  in wbsd_chip_poweroff()
1631 	wbsd_lock_config(host);  in wbsd_chip_poweroff()
1643 	struct wbsd_host *host = NULL;  in wbsd_init()  local
1652 	host = mmc_priv(mmc);  in wbsd_init()
1657 	ret = wbsd_scan(host);  in wbsd_init()
1670 	ret = wbsd_request_resources(host, base, irq, dma);  in wbsd_init()
1672 		wbsd_release_resources(host);  in wbsd_init()
1681 		if ((host->config != 0) && !wbsd_chip_validate(host)) {  in wbsd_init()
1683 			wbsd_chip_config(host);  in wbsd_init()
1686 		wbsd_chip_config(host);  in wbsd_init()
1693 	if (host->config) {  in wbsd_init()
1694 		wbsd_unlock_config(host);  in wbsd_init()
1695 		wbsd_write_config(host, WBSD_CONF_PME, 0xA0);  in wbsd_init()
1696 		wbsd_lock_config(host);  in wbsd_init()
1707 	wbsd_init_device(host);  in wbsd_init()
1712 	if (host->chip_id != 0)  in wbsd_init()
1713 		printk(" id %x", (int)host->chip_id);  in wbsd_init()
1714 	printk(" at 0x%x irq %d", (int)host->base, (int)host->irq);  in wbsd_init()
1715 	if (host->dma >= 0)  in wbsd_init()
1716 		printk(" dma %d", (int)host->dma);  in wbsd_init()
1729 	struct wbsd_host *host;  in wbsd_shutdown()  local
1734 	host = mmc_priv(mmc);  in wbsd_shutdown()
1742 		wbsd_chip_poweroff(host);  in wbsd_shutdown()
1744 	wbsd_release_resources(host);  in wbsd_shutdown()
1809 	struct wbsd_host *host;  in wbsd_platform_suspend()  local
1816 	host = mmc_priv(mmc);  in wbsd_platform_suspend()
1818 	wbsd_chip_poweroff(host);  in wbsd_platform_suspend()
1825 	struct wbsd_host *host;  in wbsd_platform_resume()  local
1832 	host = mmc_priv(mmc);  in wbsd_platform_resume()
1834 	wbsd_chip_config(host);  in wbsd_platform_resume()
1841 	wbsd_init_device(host);  in wbsd_platform_resume()
1861 	struct wbsd_host *host;  in wbsd_pnp_resume()  local
1868 	host = mmc_priv(mmc);  in wbsd_pnp_resume()
1873 	if (host->config != 0) {  in wbsd_pnp_resume()
1874 		if (!wbsd_chip_validate(host)) {  in wbsd_pnp_resume()
1876 			wbsd_chip_config(host);  in wbsd_pnp_resume()
1885 	wbsd_init_device(host);  in wbsd_pnp_resume()