Lines Matching refs:host
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_sg_to_buffer(struct wbsd_host *host) in wbsd_sg_to_buffer() argument
273 return sg_virt(host->cur_sg); in wbsd_sg_to_buffer()
276 static inline void wbsd_sg_to_dma(struct wbsd_host *host, struct mmc_data *data) in wbsd_sg_to_dma() argument
280 char *dmabuf = host->dma_buffer; in wbsd_sg_to_dma()
293 static inline void wbsd_dma_to_sg(struct wbsd_host *host, struct mmc_data *data) in wbsd_dma_to_sg() argument
297 char *dmabuf = host->dma_buffer; in wbsd_dma_to_sg()
314 static inline void wbsd_get_short_reply(struct wbsd_host *host, in wbsd_get_short_reply() argument
320 if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT) { in wbsd_get_short_reply()
325 cmd->resp[0] = wbsd_read_index(host, WBSD_IDX_RESP12) << 24; in wbsd_get_short_reply()
326 cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP13) << 16; in wbsd_get_short_reply()
327 cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP14) << 8; in wbsd_get_short_reply()
328 cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP15) << 0; in wbsd_get_short_reply()
329 cmd->resp[1] = wbsd_read_index(host, WBSD_IDX_RESP16) << 24; in wbsd_get_short_reply()
332 static inline void wbsd_get_long_reply(struct wbsd_host *host, in wbsd_get_long_reply() argument
340 if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG) { in wbsd_get_long_reply()
347 wbsd_read_index(host, WBSD_IDX_RESP1 + i * 4) << 24; in wbsd_get_long_reply()
349 wbsd_read_index(host, WBSD_IDX_RESP2 + i * 4) << 16; in wbsd_get_long_reply()
351 wbsd_read_index(host, WBSD_IDX_RESP3 + i * 4) << 8; in wbsd_get_long_reply()
353 wbsd_read_index(host, WBSD_IDX_RESP4 + i * 4) << 0; in wbsd_get_long_reply()
357 static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd) in wbsd_send_command() argument
367 host->isr = 0; in wbsd_send_command()
372 outb(cmd->opcode, host->base + WBSD_CMDR); in wbsd_send_command()
374 outb((cmd->arg >> (i * 8)) & 0xff, host->base + WBSD_CMDR); in wbsd_send_command()
382 status = wbsd_read_index(host, WBSD_IDX_STATUS); in wbsd_send_command()
392 isr = host->isr; in wbsd_send_command()
406 wbsd_get_long_reply(host, cmd); in wbsd_send_command()
408 wbsd_get_short_reply(host, cmd); in wbsd_send_command()
417 static void wbsd_empty_fifo(struct wbsd_host *host) in wbsd_empty_fifo() argument
419 struct mmc_data *data = host->mrq->cmd->data; in wbsd_empty_fifo()
426 if (host->num_sg == 0) in wbsd_empty_fifo()
429 buffer = wbsd_sg_to_buffer(host) + host->offset; in wbsd_empty_fifo()
435 while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_EMPTY)) { in wbsd_empty_fifo()
448 *buffer = inb(host->base + WBSD_DFR); in wbsd_empty_fifo()
450 host->offset++; in wbsd_empty_fifo()
451 host->remain--; in wbsd_empty_fifo()
458 if (host->remain == 0) { in wbsd_empty_fifo()
462 if (!wbsd_next_sg(host)) in wbsd_empty_fifo()
465 buffer = wbsd_sg_to_buffer(host); in wbsd_empty_fifo()
476 tasklet_schedule(&host->fifo_tasklet); in wbsd_empty_fifo()
479 static void wbsd_fill_fifo(struct wbsd_host *host) in wbsd_fill_fifo() argument
481 struct mmc_data *data = host->mrq->cmd->data; in wbsd_fill_fifo()
489 if (host->num_sg == 0) in wbsd_fill_fifo()
492 buffer = wbsd_sg_to_buffer(host) + host->offset; in wbsd_fill_fifo()
498 while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_FULL)) { in wbsd_fill_fifo()
511 outb(*buffer, host->base + WBSD_DFR); in wbsd_fill_fifo()
513 host->offset++; in wbsd_fill_fifo()
514 host->remain--; in wbsd_fill_fifo()
521 if (host->remain == 0) { in wbsd_fill_fifo()
525 if (!wbsd_next_sg(host)) in wbsd_fill_fifo()
528 buffer = wbsd_sg_to_buffer(host); in wbsd_fill_fifo()
538 tasklet_schedule(&host->fifo_tasklet); in wbsd_fill_fifo()
541 static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data) in wbsd_prepare_data() argument
558 wbsd_write_index(host, WBSD_IDX_TAAC, 127); in wbsd_prepare_data()
560 wbsd_write_index(host, WBSD_IDX_TAAC, in wbsd_prepare_data()
565 wbsd_write_index(host, WBSD_IDX_NSAC, 255); in wbsd_prepare_data()
567 wbsd_write_index(host, WBSD_IDX_NSAC, data->timeout_clks); in wbsd_prepare_data()
577 if (host->bus_width == MMC_BUS_WIDTH_1) { in wbsd_prepare_data()
580 wbsd_write_index(host, WBSD_IDX_PBSMSB, (blksize >> 4) & 0xF0); in wbsd_prepare_data()
581 wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF); in wbsd_prepare_data()
582 } else if (host->bus_width == MMC_BUS_WIDTH_4) { in wbsd_prepare_data()
585 wbsd_write_index(host, WBSD_IDX_PBSMSB, in wbsd_prepare_data()
587 wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF); in wbsd_prepare_data()
598 setup = wbsd_read_index(host, WBSD_IDX_SETUP); in wbsd_prepare_data()
600 wbsd_write_index(host, WBSD_IDX_SETUP, setup); in wbsd_prepare_data()
605 if (host->dma >= 0) { in wbsd_prepare_data()
620 wbsd_sg_to_dma(host, data); in wbsd_prepare_data()
626 disable_dma(host->dma); in wbsd_prepare_data()
627 clear_dma_ff(host->dma); in wbsd_prepare_data()
629 set_dma_mode(host->dma, DMA_MODE_READ & ~0x40); in wbsd_prepare_data()
631 set_dma_mode(host->dma, DMA_MODE_WRITE & ~0x40); in wbsd_prepare_data()
632 set_dma_addr(host->dma, host->dma_addr); in wbsd_prepare_data()
633 set_dma_count(host->dma, size); in wbsd_prepare_data()
635 enable_dma(host->dma); in wbsd_prepare_data()
641 wbsd_write_index(host, WBSD_IDX_DMA, WBSD_DMA_ENABLE); in wbsd_prepare_data()
647 host->firsterr = 1; in wbsd_prepare_data()
652 wbsd_init_sg(host, data); in wbsd_prepare_data()
657 wbsd_write_index(host, WBSD_IDX_DMA, 0); in wbsd_prepare_data()
664 wbsd_write_index(host, WBSD_IDX_FIFOEN, in wbsd_prepare_data()
667 wbsd_write_index(host, WBSD_IDX_FIFOEN, in wbsd_prepare_data()
669 wbsd_fill_fifo(host); in wbsd_prepare_data()
676 static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data) in wbsd_finish_data() argument
682 WARN_ON(host->mrq == NULL); in wbsd_finish_data()
688 wbsd_send_command(host, data->stop); in wbsd_finish_data()
695 status = wbsd_read_index(host, WBSD_IDX_STATUS); in wbsd_finish_data()
701 if (host->dma >= 0) { in wbsd_finish_data()
705 wbsd_write_index(host, WBSD_IDX_DMA, 0); in wbsd_finish_data()
711 disable_dma(host->dma); in wbsd_finish_data()
712 clear_dma_ff(host->dma); in wbsd_finish_data()
713 count = get_dma_residue(host->dma); in wbsd_finish_data()
716 data->bytes_xfered = host->mrq->data->blocks * in wbsd_finish_data()
717 host->mrq->data->blksz - count; in wbsd_finish_data()
726 mmc_hostname(host->mmc), count); in wbsd_finish_data()
736 wbsd_dma_to_sg(host, data); in wbsd_finish_data()
745 wbsd_request_end(host, host->mrq); in wbsd_finish_data()
756 struct wbsd_host *host = mmc_priv(mmc); in wbsd_request() local
762 spin_lock_bh(&host->lock); in wbsd_request()
764 BUG_ON(host->mrq != NULL); in wbsd_request()
768 host->mrq = mrq; in wbsd_request()
773 if (!(host->flags & WBSD_FCARD_PRESENT)) { in wbsd_request()
807 mmc_hostname(host->mmc), cmd->opcode); in wbsd_request()
819 wbsd_prepare_data(host, cmd->data); in wbsd_request()
825 wbsd_send_command(host, cmd); in wbsd_request()
836 if (host->dma == -1) in wbsd_request()
837 tasklet_schedule(&host->fifo_tasklet); in wbsd_request()
839 spin_unlock_bh(&host->lock); in wbsd_request()
845 wbsd_request_end(host, mrq); in wbsd_request()
847 spin_unlock_bh(&host->lock); in wbsd_request()
852 struct wbsd_host *host = mmc_priv(mmc); in wbsd_set_ios() local
855 spin_lock_bh(&host->lock); in wbsd_set_ios()
862 wbsd_init_device(host); in wbsd_set_ios()
877 if (clk != host->clk) { in wbsd_set_ios()
878 wbsd_write_index(host, WBSD_IDX_CLK, clk); in wbsd_set_ios()
879 host->clk = clk; in wbsd_set_ios()
886 pwr = inb(host->base + WBSD_CSR); in wbsd_set_ios()
888 outb(pwr, host->base + WBSD_CSR); in wbsd_set_ios()
896 setup = wbsd_read_index(host, WBSD_IDX_SETUP); in wbsd_set_ios()
900 host->flags |= WBSD_FIGNORE_DETECT; in wbsd_set_ios()
909 mod_timer(&host->ignore_timer, jiffies + HZ / 100); in wbsd_set_ios()
912 wbsd_write_index(host, WBSD_IDX_SETUP, setup); in wbsd_set_ios()
918 host->bus_width = ios->bus_width; in wbsd_set_ios()
920 spin_unlock_bh(&host->lock); in wbsd_set_ios()
925 struct wbsd_host *host = mmc_priv(mmc); in wbsd_get_ro() local
928 spin_lock_bh(&host->lock); in wbsd_get_ro()
930 csr = inb(host->base + WBSD_CSR); in wbsd_get_ro()
932 outb(csr, host->base + WBSD_CSR); in wbsd_get_ro()
936 csr = inb(host->base + WBSD_CSR); in wbsd_get_ro()
938 outb(csr, host->base + WBSD_CSR); in wbsd_get_ro()
940 spin_unlock_bh(&host->lock); in wbsd_get_ro()
963 struct wbsd_host *host = (struct wbsd_host *)data; in wbsd_reset_ignore() local
965 BUG_ON(host == NULL); in wbsd_reset_ignore()
969 spin_lock_bh(&host->lock); in wbsd_reset_ignore()
971 host->flags &= ~WBSD_FIGNORE_DETECT; in wbsd_reset_ignore()
977 tasklet_schedule(&host->card_tasklet); in wbsd_reset_ignore()
979 spin_unlock_bh(&host->lock); in wbsd_reset_ignore()
986 static inline struct mmc_data *wbsd_get_data(struct wbsd_host *host) in wbsd_get_data() argument
988 WARN_ON(!host->mrq); in wbsd_get_data()
989 if (!host->mrq) in wbsd_get_data()
992 WARN_ON(!host->mrq->cmd); in wbsd_get_data()
993 if (!host->mrq->cmd) in wbsd_get_data()
996 WARN_ON(!host->mrq->cmd->data); in wbsd_get_data()
997 if (!host->mrq->cmd->data) in wbsd_get_data()
1000 return host->mrq->cmd->data; in wbsd_get_data()
1005 struct wbsd_host *host = (struct wbsd_host *)param; in wbsd_tasklet_card() local
1009 spin_lock(&host->lock); in wbsd_tasklet_card()
1011 if (host->flags & WBSD_FIGNORE_DETECT) { in wbsd_tasklet_card()
1012 spin_unlock(&host->lock); in wbsd_tasklet_card()
1016 csr = inb(host->base + WBSD_CSR); in wbsd_tasklet_card()
1020 if (!(host->flags & WBSD_FCARD_PRESENT)) { in wbsd_tasklet_card()
1022 host->flags |= WBSD_FCARD_PRESENT; in wbsd_tasklet_card()
1026 } else if (host->flags & WBSD_FCARD_PRESENT) { in wbsd_tasklet_card()
1028 host->flags &= ~WBSD_FCARD_PRESENT; in wbsd_tasklet_card()
1030 if (host->mrq) { in wbsd_tasklet_card()
1032 mmc_hostname(host->mmc)); in wbsd_tasklet_card()
1033 wbsd_reset(host); in wbsd_tasklet_card()
1035 host->mrq->cmd->error = -ENOMEDIUM; in wbsd_tasklet_card()
1036 tasklet_schedule(&host->finish_tasklet); in wbsd_tasklet_card()
1046 spin_unlock(&host->lock); in wbsd_tasklet_card()
1049 mmc_detect_change(host->mmc, msecs_to_jiffies(delay)); in wbsd_tasklet_card()
1054 struct wbsd_host *host = (struct wbsd_host *)param; in wbsd_tasklet_fifo() local
1057 spin_lock(&host->lock); in wbsd_tasklet_fifo()
1059 if (!host->mrq) in wbsd_tasklet_fifo()
1062 data = wbsd_get_data(host); in wbsd_tasklet_fifo()
1067 wbsd_fill_fifo(host); in wbsd_tasklet_fifo()
1069 wbsd_empty_fifo(host); in wbsd_tasklet_fifo()
1074 if (host->num_sg == 0) { in wbsd_tasklet_fifo()
1075 wbsd_write_index(host, WBSD_IDX_FIFOEN, 0); in wbsd_tasklet_fifo()
1076 tasklet_schedule(&host->finish_tasklet); in wbsd_tasklet_fifo()
1080 spin_unlock(&host->lock); in wbsd_tasklet_fifo()
1085 struct wbsd_host *host = (struct wbsd_host *)param; in wbsd_tasklet_crc() local
1088 spin_lock(&host->lock); in wbsd_tasklet_crc()
1090 if (!host->mrq) in wbsd_tasklet_crc()
1093 data = wbsd_get_data(host); in wbsd_tasklet_crc()
1101 tasklet_schedule(&host->finish_tasklet); in wbsd_tasklet_crc()
1104 spin_unlock(&host->lock); in wbsd_tasklet_crc()
1109 struct wbsd_host *host = (struct wbsd_host *)param; in wbsd_tasklet_timeout() local
1112 spin_lock(&host->lock); in wbsd_tasklet_timeout()
1114 if (!host->mrq) in wbsd_tasklet_timeout()
1117 data = wbsd_get_data(host); in wbsd_tasklet_timeout()
1125 tasklet_schedule(&host->finish_tasklet); in wbsd_tasklet_timeout()
1128 spin_unlock(&host->lock); in wbsd_tasklet_timeout()
1133 struct wbsd_host *host = (struct wbsd_host *)param; in wbsd_tasklet_finish() local
1136 spin_lock(&host->lock); in wbsd_tasklet_finish()
1138 WARN_ON(!host->mrq); in wbsd_tasklet_finish()
1139 if (!host->mrq) in wbsd_tasklet_finish()
1142 data = wbsd_get_data(host); in wbsd_tasklet_finish()
1146 wbsd_finish_data(host, data); in wbsd_tasklet_finish()
1149 spin_unlock(&host->lock); in wbsd_tasklet_finish()
1158 struct wbsd_host *host = dev_id; in wbsd_irq() local
1161 isr = inb(host->base + WBSD_ISR); in wbsd_irq()
1169 host->isr |= isr; in wbsd_irq()
1175 tasklet_schedule(&host->card_tasklet); in wbsd_irq()
1177 tasklet_schedule(&host->fifo_tasklet); in wbsd_irq()
1179 tasklet_hi_schedule(&host->crc_tasklet); in wbsd_irq()
1181 tasklet_hi_schedule(&host->timeout_tasklet); in wbsd_irq()
1183 tasklet_schedule(&host->finish_tasklet); in wbsd_irq()
1201 struct wbsd_host *host; in wbsd_alloc_mmc() local
1210 host = mmc_priv(mmc); in wbsd_alloc_mmc()
1211 host->mmc = mmc; in wbsd_alloc_mmc()
1213 host->dma = -1; in wbsd_alloc_mmc()
1224 spin_lock_init(&host->lock); in wbsd_alloc_mmc()
1229 init_timer(&host->ignore_timer); in wbsd_alloc_mmc()
1230 host->ignore_timer.data = (unsigned long)host; in wbsd_alloc_mmc()
1231 host->ignore_timer.function = wbsd_reset_ignore; in wbsd_alloc_mmc()
1270 struct wbsd_host *host; in wbsd_free_mmc() local
1276 host = mmc_priv(mmc); in wbsd_free_mmc()
1277 BUG_ON(host == NULL); in wbsd_free_mmc()
1279 del_timer_sync(&host->ignore_timer); in wbsd_free_mmc()
1290 static int wbsd_scan(struct wbsd_host *host) in wbsd_scan() argument
1306 host->config = config_ports[i]; in wbsd_scan()
1307 host->unlock_code = unlock_codes[j]; in wbsd_scan()
1309 wbsd_unlock_config(host); in wbsd_scan()
1317 wbsd_lock_config(host); in wbsd_scan()
1321 host->chip_id = id; in wbsd_scan()
1336 host->config = 0; in wbsd_scan()
1337 host->unlock_code = 0; in wbsd_scan()
1346 static int wbsd_request_region(struct wbsd_host *host, int base) in wbsd_request_region() argument
1354 host->base = base; in wbsd_request_region()
1359 static void wbsd_release_regions(struct wbsd_host *host) in wbsd_release_regions() argument
1361 if (host->base) in wbsd_release_regions()
1362 release_region(host->base, 8); in wbsd_release_regions()
1364 host->base = 0; in wbsd_release_regions()
1366 if (host->config) in wbsd_release_regions()
1367 release_region(host->config, 2); in wbsd_release_regions()
1369 host->config = 0; in wbsd_release_regions()
1376 static void wbsd_request_dma(struct wbsd_host *host, int dma) in wbsd_request_dma() argument
1388 host->dma_buffer = kmalloc(WBSD_DMA_SIZE, in wbsd_request_dma()
1390 if (!host->dma_buffer) in wbsd_request_dma()
1396 host->dma_addr = dma_map_single(mmc_dev(host->mmc), host->dma_buffer, in wbsd_request_dma()
1402 if ((host->dma_addr & 0xffff) != 0) in wbsd_request_dma()
1407 else if (host->dma_addr >= 0x1000000) in wbsd_request_dma()
1410 host->dma = dma; in wbsd_request_dma()
1420 dma_unmap_single(mmc_dev(host->mmc), host->dma_addr, in wbsd_request_dma()
1422 host->dma_addr = 0; in wbsd_request_dma()
1424 kfree(host->dma_buffer); in wbsd_request_dma()
1425 host->dma_buffer = NULL; in wbsd_request_dma()
1435 static void wbsd_release_dma(struct wbsd_host *host) in wbsd_release_dma() argument
1437 if (host->dma_addr) { in wbsd_release_dma()
1438 dma_unmap_single(mmc_dev(host->mmc), host->dma_addr, in wbsd_release_dma()
1441 kfree(host->dma_buffer); in wbsd_release_dma()
1442 if (host->dma >= 0) in wbsd_release_dma()
1443 free_dma(host->dma); in wbsd_release_dma()
1445 host->dma = -1; in wbsd_release_dma()
1446 host->dma_buffer = NULL; in wbsd_release_dma()
1447 host->dma_addr = 0; in wbsd_release_dma()
1454 static int wbsd_request_irq(struct wbsd_host *host, int irq) in wbsd_request_irq() argument
1461 tasklet_init(&host->card_tasklet, wbsd_tasklet_card, in wbsd_request_irq()
1462 (unsigned long)host); in wbsd_request_irq()
1463 tasklet_init(&host->fifo_tasklet, wbsd_tasklet_fifo, in wbsd_request_irq()
1464 (unsigned long)host); in wbsd_request_irq()
1465 tasklet_init(&host->crc_tasklet, wbsd_tasklet_crc, in wbsd_request_irq()
1466 (unsigned long)host); in wbsd_request_irq()
1467 tasklet_init(&host->timeout_tasklet, wbsd_tasklet_timeout, in wbsd_request_irq()
1468 (unsigned long)host); in wbsd_request_irq()
1469 tasklet_init(&host->finish_tasklet, wbsd_tasklet_finish, in wbsd_request_irq()
1470 (unsigned long)host); in wbsd_request_irq()
1475 ret = request_irq(irq, wbsd_irq, IRQF_SHARED, DRIVER_NAME, host); in wbsd_request_irq()
1479 host->irq = irq; in wbsd_request_irq()
1484 static void wbsd_release_irq(struct wbsd_host *host) in wbsd_release_irq() argument
1486 if (!host->irq) in wbsd_release_irq()
1489 free_irq(host->irq, host); in wbsd_release_irq()
1491 host->irq = 0; in wbsd_release_irq()
1493 tasklet_kill(&host->card_tasklet); in wbsd_release_irq()
1494 tasklet_kill(&host->fifo_tasklet); in wbsd_release_irq()
1495 tasklet_kill(&host->crc_tasklet); in wbsd_release_irq()
1496 tasklet_kill(&host->timeout_tasklet); in wbsd_release_irq()
1497 tasklet_kill(&host->finish_tasklet); in wbsd_release_irq()
1504 static int wbsd_request_resources(struct wbsd_host *host, in wbsd_request_resources() argument
1512 ret = wbsd_request_region(host, base); in wbsd_request_resources()
1519 ret = wbsd_request_irq(host, irq); in wbsd_request_resources()
1526 wbsd_request_dma(host, dma); in wbsd_request_resources()
1535 static void wbsd_release_resources(struct wbsd_host *host) in wbsd_release_resources() argument
1537 wbsd_release_dma(host); in wbsd_release_resources()
1538 wbsd_release_irq(host); in wbsd_release_resources()
1539 wbsd_release_regions(host); in wbsd_release_resources()
1546 static void wbsd_chip_config(struct wbsd_host *host) in wbsd_chip_config() argument
1548 wbsd_unlock_config(host); in wbsd_chip_config()
1553 wbsd_write_config(host, WBSD_CONF_SWRST, 1); in wbsd_chip_config()
1554 wbsd_write_config(host, WBSD_CONF_SWRST, 0); in wbsd_chip_config()
1559 wbsd_write_config(host, WBSD_CONF_DEVICE, DEVICE_SD); in wbsd_chip_config()
1564 wbsd_write_config(host, WBSD_CONF_PINS, WBSD_PINS_DETECT_GP11); in wbsd_chip_config()
1569 wbsd_write_config(host, WBSD_CONF_PORT_HI, host->base >> 8); in wbsd_chip_config()
1570 wbsd_write_config(host, WBSD_CONF_PORT_LO, host->base & 0xff); in wbsd_chip_config()
1572 wbsd_write_config(host, WBSD_CONF_IRQ, host->irq); in wbsd_chip_config()
1574 if (host->dma >= 0) in wbsd_chip_config()
1575 wbsd_write_config(host, WBSD_CONF_DRQ, host->dma); in wbsd_chip_config()
1580 wbsd_write_config(host, WBSD_CONF_ENABLE, 1); in wbsd_chip_config()
1581 wbsd_write_config(host, WBSD_CONF_POWER, 0x20); in wbsd_chip_config()
1583 wbsd_lock_config(host); in wbsd_chip_config()
1590 static int wbsd_chip_validate(struct wbsd_host *host) in wbsd_chip_validate() argument
1594 wbsd_unlock_config(host); in wbsd_chip_validate()
1599 wbsd_write_config(host, WBSD_CONF_DEVICE, DEVICE_SD); in wbsd_chip_validate()
1604 base = wbsd_read_config(host, WBSD_CONF_PORT_HI) << 8; in wbsd_chip_validate()
1605 base |= wbsd_read_config(host, WBSD_CONF_PORT_LO); in wbsd_chip_validate()
1607 irq = wbsd_read_config(host, WBSD_CONF_IRQ); in wbsd_chip_validate()
1609 dma = wbsd_read_config(host, WBSD_CONF_DRQ); in wbsd_chip_validate()
1611 wbsd_lock_config(host); in wbsd_chip_validate()
1616 if (base != host->base) in wbsd_chip_validate()
1618 if (irq != host->irq) in wbsd_chip_validate()
1620 if ((dma != host->dma) && (host->dma != -1)) in wbsd_chip_validate()
1630 static void wbsd_chip_poweroff(struct wbsd_host *host) in wbsd_chip_poweroff() argument
1632 wbsd_unlock_config(host); in wbsd_chip_poweroff()
1634 wbsd_write_config(host, WBSD_CONF_DEVICE, DEVICE_SD); in wbsd_chip_poweroff()
1635 wbsd_write_config(host, WBSD_CONF_ENABLE, 0); in wbsd_chip_poweroff()
1637 wbsd_lock_config(host); in wbsd_chip_poweroff()
1649 struct wbsd_host *host = NULL; in wbsd_init() local
1658 host = mmc_priv(mmc); in wbsd_init()
1663 ret = wbsd_scan(host); in wbsd_init()
1676 ret = wbsd_request_resources(host, base, irq, dma); in wbsd_init()
1678 wbsd_release_resources(host); in wbsd_init()
1687 if ((host->config != 0) && !wbsd_chip_validate(host)) { in wbsd_init()
1689 wbsd_chip_config(host); in wbsd_init()
1692 wbsd_chip_config(host); in wbsd_init()
1699 if (host->config) { in wbsd_init()
1700 wbsd_unlock_config(host); in wbsd_init()
1701 wbsd_write_config(host, WBSD_CONF_PME, 0xA0); in wbsd_init()
1702 wbsd_lock_config(host); in wbsd_init()
1713 wbsd_init_device(host); in wbsd_init()
1718 if (host->chip_id != 0) in wbsd_init()
1719 printk(" id %x", (int)host->chip_id); in wbsd_init()
1720 printk(" at 0x%x irq %d", (int)host->base, (int)host->irq); in wbsd_init()
1721 if (host->dma >= 0) in wbsd_init()
1722 printk(" dma %d", (int)host->dma); in wbsd_init()
1735 struct wbsd_host *host; in wbsd_shutdown() local
1740 host = mmc_priv(mmc); in wbsd_shutdown()
1748 wbsd_chip_poweroff(host); in wbsd_shutdown()
1750 wbsd_release_resources(host); in wbsd_shutdown()
1815 struct wbsd_host *host; in wbsd_platform_suspend() local
1822 host = mmc_priv(mmc); in wbsd_platform_suspend()
1824 wbsd_chip_poweroff(host); in wbsd_platform_suspend()
1831 struct wbsd_host *host; in wbsd_platform_resume() local
1838 host = mmc_priv(mmc); in wbsd_platform_resume()
1840 wbsd_chip_config(host); in wbsd_platform_resume()
1847 wbsd_init_device(host); in wbsd_platform_resume()
1867 struct wbsd_host *host; in wbsd_pnp_resume() local
1874 host = mmc_priv(mmc); in wbsd_pnp_resume()
1879 if (host->config != 0) { in wbsd_pnp_resume()
1880 if (!wbsd_chip_validate(host)) { in wbsd_pnp_resume()
1882 wbsd_chip_config(host); in wbsd_pnp_resume()
1891 wbsd_init_device(host); in wbsd_pnp_resume()