29 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_select_clock_divider()  local
30 	struct pci_dev *pdev = cb710_slot_to_chip(slot)->pdev;  in cb710_mmc_select_clock_divider()
56 	dev_dbg(cb710_slot_dev(slot),  in cb710_mmc_select_clock_divider()
62 static void __cb710_mmc_enable_irq(struct cb710_slot *slot,  in __cb710_mmc_enable_irq()  argument
74 	enable = (cb710_read_port_16(slot, CB710_MMC_IRQ_ENABLE_PORT)  in __cb710_mmc_enable_irq()
80 	cb710_write_port_16(slot, CB710_MMC_IRQ_ENABLE_PORT, enable);  in __cb710_mmc_enable_irq()
83 static void cb710_mmc_enable_irq(struct cb710_slot *slot,  in cb710_mmc_enable_irq()  argument
86 	struct cb710_mmc_reader *reader = mmc_priv(cb710_slot_to_mmc(slot));  in cb710_mmc_enable_irq()
91 	__cb710_mmc_enable_irq(slot, enable, mask);  in cb710_mmc_enable_irq()
95 static void cb710_mmc_reset_events(struct cb710_slot *slot)  in cb710_mmc_reset_events()  argument
97 	cb710_write_port_8(slot, CB710_MMC_STATUS0_PORT, 0xFF);  in cb710_mmc_reset_events()
98 	cb710_write_port_8(slot, CB710_MMC_STATUS1_PORT, 0xFF);  in cb710_mmc_reset_events()
99 	cb710_write_port_8(slot, CB710_MMC_STATUS2_PORT, 0xFF);  in cb710_mmc_reset_events()
102 static void cb710_mmc_enable_4bit_data(struct cb710_slot *slot, int enable)  in cb710_mmc_enable_4bit_data()  argument
105 		cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT,  in cb710_mmc_enable_4bit_data()
108 		cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT,  in cb710_mmc_enable_4bit_data()
112 static int cb710_check_event(struct cb710_slot *slot, u8 what)  in cb710_check_event()  argument
116 	status = cb710_read_port_16(slot, CB710_MMC_STATUS_PORT);  in cb710_check_event()
120 		dev_dbg(cb710_slot_dev(slot),  in cb710_check_event()
122 		cb710_write_port_8(slot, CB710_MMC_STATUS0_PORT,  in cb710_check_event()
128 		dev_dbg(cb710_slot_dev(slot),  in cb710_check_event()
130 		cb710_write_port_8(slot, CB710_MMC_STATUS0_PORT, status & 0xFF);  in cb710_check_event()
131 		cb710_write_port_8(slot, CB710_MMC_STATUS1_PORT,  in cb710_check_event()
138 		cb710_write_port_8(slot, CB710_MMC_STATUS1_PORT, what);  in cb710_check_event()
145 static int cb710_wait_for_event(struct cb710_slot *slot, u8 what)  in cb710_wait_for_event()  argument
152 	e = cb710_read_port_32(slot, CB710_MMC_STATUS_PORT);  in cb710_wait_for_event()
155 	while (!(err = cb710_check_event(slot, what))) {  in cb710_wait_for_event()
157 			cb710_dump_regs(cb710_slot_to_chip(slot),  in cb710_wait_for_event()
166 	x = cb710_read_port_32(slot, CB710_MMC_STATUS_PORT);  in cb710_wait_for_event()
170 		dev_dbg(cb710_slot_dev(slot),  in cb710_wait_for_event()
178 static int cb710_wait_while_busy(struct cb710_slot *slot, uint8_t mask)  in cb710_wait_while_busy()  argument
185 	e = cb710_read_port_32(slot, CB710_MMC_STATUS_PORT);  in cb710_wait_while_busy()
188 	while (cb710_read_port_8(slot, CB710_MMC_STATUS2_PORT) & mask) {  in cb710_wait_while_busy()
190 			cb710_dump_regs(cb710_slot_to_chip(slot),  in cb710_wait_while_busy()
199 	x = cb710_read_port_32(slot, CB710_MMC_STATUS_PORT);  in cb710_wait_while_busy()
203 		dev_dbg(cb710_slot_dev(slot),  in cb710_wait_while_busy()
210 static void cb710_mmc_set_transfer_size(struct cb710_slot *slot,  in cb710_mmc_set_transfer_size()  argument
213 	cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_set_transfer_size()
214 	cb710_write_port_32(slot, CB710_MMC_TRANSFER_SIZE_PORT,  in cb710_mmc_set_transfer_size()
217 	dev_vdbg(cb710_slot_dev(slot), "set up for %zu block%s of %zu bytes\n",  in cb710_mmc_set_transfer_size()
221 static void cb710_mmc_fifo_hack(struct cb710_slot *slot)  in cb710_mmc_fifo_hack()  argument
227 	r1 = cb710_read_port_32(slot, CB710_MMC_DATA_PORT);  in cb710_mmc_fifo_hack()
228 	r2 = cb710_read_port_32(slot, CB710_MMC_DATA_PORT);  in cb710_mmc_fifo_hack()
229 	if (cb710_read_port_8(slot, CB710_MMC_STATUS0_PORT)  in cb710_mmc_fifo_hack()
231 		cb710_write_port_8(slot, CB710_MMC_STATUS0_PORT,  in cb710_mmc_fifo_hack()
236 	dev_dbg(cb710_slot_dev(slot),  in cb710_mmc_fifo_hack()
239 	dev_dbg(cb710_slot_dev(slot),  in cb710_mmc_fifo_hack()
244 static int cb710_mmc_receive_pio(struct cb710_slot *slot,  in cb710_mmc_receive_pio()  argument
247 	if (!(cb710_read_port_8(slot, CB710_MMC_STATUS2_PORT) & CB710_MMC_S2_FIFO_READY)) {  in cb710_mmc_receive_pio()
248 		int err = cb710_wait_for_event(slot,  in cb710_mmc_receive_pio()
255 		slot->iobase + CB710_MMC_DATA_PORT, dw_count);  in cb710_mmc_receive_pio()
265 static int cb710_mmc_receive(struct cb710_slot *slot, struct mmc_data *data)  in cb710_mmc_receive()  argument
278 	cb710_modify_port_8(slot, CB710_MMC_CONFIG2_PORT,  in cb710_mmc_receive()
281 	cb710_mmc_fifo_hack(slot);  in cb710_mmc_receive()
287 			err = cb710_mmc_receive_pio(slot, &miter, 4);  in cb710_mmc_receive()
296 		cb710_modify_port_8(slot, CB710_MMC_CONFIG2_PORT,  in cb710_mmc_receive()
300 		err = cb710_mmc_receive_pio(slot, &miter, len);  in cb710_mmc_receive()
309 static int cb710_mmc_send(struct cb710_slot *slot, struct mmc_data *data)  in cb710_mmc_send()  argument
322 	cb710_modify_port_8(slot, CB710_MMC_CONFIG2_PORT,  in cb710_mmc_send()
328 			if (!(cb710_read_port_8(slot, CB710_MMC_STATUS2_PORT)  in cb710_mmc_send()
330 				err = cb710_wait_for_event(slot,  in cb710_mmc_send()
336 				slot->iobase + CB710_MMC_DATA_PORT, 4);  in cb710_mmc_send()
395 static void cb710_receive_response(struct cb710_slot *slot,  in cb710_receive_response()  argument
404 		resp[0] = cb710_read_port_32(slot, CB710_MMC_RESPONSE3_PORT);  in cb710_receive_response()
405 		resp[1] = cb710_read_port_32(slot, CB710_MMC_RESPONSE2_PORT);  in cb710_receive_response()
406 		resp[2] = cb710_read_port_32(slot, CB710_MMC_RESPONSE1_PORT);  in cb710_receive_response()
407 		resp[3] = cb710_read_port_32(slot, CB710_MMC_RESPONSE0_PORT);  in cb710_receive_response()
415 		rsp_opcode = cb710_read_port_32(slot, CB710_MMC_RESPONSE1_PORT) & 0x3F;  in cb710_receive_response()
416 		cmd->resp[0] = cb710_read_port_32(slot, CB710_MMC_RESPONSE0_PORT);  in cb710_receive_response()
424 static int cb710_mmc_transfer_data(struct cb710_slot *slot,  in cb710_mmc_transfer_data()  argument
430 		error = cb710_mmc_receive(slot, data);  in cb710_mmc_transfer_data()
432 		error = cb710_mmc_send(slot, data);  in cb710_mmc_transfer_data()
434 	to = cb710_wait_for_event(slot, CB710_MMC_S1_DATA_TRANSFER_DONE);  in cb710_mmc_transfer_data()
445 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_command()  local
450 	dev_dbg(cb710_slot_dev(slot), "cmd request: 0x%04X\n", cb_cmd);  in cb710_mmc_command()
457 		cb710_mmc_set_transfer_size(slot, data->blocks, data->blksz);  in cb710_mmc_command()
460 	cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20|CB710_MMC_S2_BUSY_10);  in cb710_mmc_command()
461 	cb710_write_port_16(slot, CB710_MMC_CMD_TYPE_PORT, cb_cmd);  in cb710_mmc_command()
462 	cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_command()
463 	cb710_write_port_32(slot, CB710_MMC_CMD_PARAM_PORT, cmd->arg);  in cb710_mmc_command()
464 	cb710_mmc_reset_events(slot);  in cb710_mmc_command()
465 	cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_command()
466 	cb710_modify_port_8(slot, CB710_MMC_CONFIG0_PORT, 0x01, 0);  in cb710_mmc_command()
468 	cmd->error = cb710_wait_for_event(slot, CB710_MMC_S1_COMMAND_SENT);  in cb710_mmc_command()
473 		cb710_receive_response(slot, cmd);  in cb710_mmc_command()
479 		data->error = cb710_mmc_transfer_data(slot, data);  in cb710_mmc_command()
485 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_request()  local
491 	cb710_mmc_enable_irq(slot, CB710_MMC_IE_TEST_MASK, 0);  in cb710_mmc_request()
499 static int cb710_mmc_powerup(struct cb710_slot *slot)  in cb710_mmc_powerup()  argument
502 	struct cb710_chip *chip = cb710_slot_to_chip(slot);  in cb710_mmc_powerup()
507 	dev_dbg(cb710_slot_dev(slot), "bus powerup\n");  in cb710_mmc_powerup()
509 	err = cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_powerup()
512 	cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT, 0x80, 0);  in cb710_mmc_powerup()
513 	cb710_modify_port_8(slot, CB710_MMC_CONFIG3_PORT, 0x80, 0);  in cb710_mmc_powerup()
516 	dev_dbg(cb710_slot_dev(slot), "after delay 1\n");  in cb710_mmc_powerup()
518 	err = cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_powerup()
521 	cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT, 0x09, 0);  in cb710_mmc_powerup()
524 	dev_dbg(cb710_slot_dev(slot), "after delay 2\n");  in cb710_mmc_powerup()
526 	err = cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_powerup()
529 	cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT, 0, 0x08);  in cb710_mmc_powerup()
532 	dev_dbg(cb710_slot_dev(slot), "after delay 3\n");  in cb710_mmc_powerup()
534 	cb710_modify_port_8(slot, CB710_MMC_CONFIG0_PORT, 0x06, 0);  in cb710_mmc_powerup()
535 	cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT, 0x70, 0);  in cb710_mmc_powerup()
536 	cb710_modify_port_8(slot, CB710_MMC_CONFIG2_PORT, 0x80, 0);  in cb710_mmc_powerup()
537 	cb710_modify_port_8(slot, CB710_MMC_CONFIG3_PORT, 0x03, 0);  in cb710_mmc_powerup()
539 	err = cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_powerup()
546 	cb710_write_port_16(slot, CB710_MMC_CONFIGB_PORT, 0xFFFF);  in cb710_mmc_powerup()
547 	cb710_modify_port_8(slot, CB710_MMC_CONFIG0_PORT, 0x06, 0);  in cb710_mmc_powerup()
549 	dev_dbg(cb710_slot_dev(slot), "bus powerup finished\n");  in cb710_mmc_powerup()
551 	return cb710_check_event(slot, 0);  in cb710_mmc_powerup()
554 static void cb710_mmc_powerdown(struct cb710_slot *slot)  in cb710_mmc_powerdown()  argument
556 	cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT, 0, 0x81);  in cb710_mmc_powerdown()
557 	cb710_modify_port_8(slot, CB710_MMC_CONFIG3_PORT, 0, 0x80);  in cb710_mmc_powerdown()
562 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_set_ios()  local
571 			err = cb710_mmc_powerup(slot);  in cb710_mmc_set_ios()
573 				dev_warn(cb710_slot_dev(slot),  in cb710_mmc_set_ios()
575 				cb710_mmc_powerdown(slot);  in cb710_mmc_set_ios()
577 				err = cb710_mmc_powerup(slot);  in cb710_mmc_set_ios()
579 					dev_warn(cb710_slot_dev(slot),  in cb710_mmc_set_ios()
586 			cb710_mmc_powerdown(slot);  in cb710_mmc_set_ios()
596 	cb710_mmc_enable_4bit_data(slot, ios->bus_width != MMC_BUS_WIDTH_1);  in cb710_mmc_set_ios()
598 	cb710_mmc_enable_irq(slot, CB710_MMC_IE_TEST_MASK, 0);  in cb710_mmc_set_ios()
603 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_get_ro()  local
605 	return cb710_read_port_8(slot, CB710_MMC_STATUS3_PORT)  in cb710_mmc_get_ro()
611 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_get_cd()  local
613 	return cb710_read_port_8(slot, CB710_MMC_STATUS3_PORT)  in cb710_mmc_get_cd()
617 static int cb710_mmc_irq_handler(struct cb710_slot *slot)  in cb710_mmc_irq_handler()  argument
619 	struct mmc_host *mmc = cb710_slot_to_mmc(slot);  in cb710_mmc_irq_handler()
623 	status = cb710_read_port_32(slot, CB710_MMC_STATUS_PORT);  in cb710_mmc_irq_handler()
624 	irqen = cb710_read_port_32(slot, CB710_MMC_IRQ_ENABLE_PORT);  in cb710_mmc_irq_handler()
625 	config2 = cb710_read_port_32(slot, CB710_MMC_CONFIGB_PORT);  in cb710_mmc_irq_handler()
626 	config1 = cb710_read_port_32(slot, CB710_MMC_CONFIG_PORT);  in cb710_mmc_irq_handler()
628 	dev_dbg(cb710_slot_dev(slot), "interrupt; status: %08X, "  in cb710_mmc_irq_handler()
634 		cb710_write_port_8(slot, CB710_MMC_STATUS1_PORT,  in cb710_mmc_irq_handler()
640 		dev_dbg(cb710_slot_dev(slot), "unknown interrupt (test)\n");  in cb710_mmc_irq_handler()
642 		__cb710_mmc_enable_irq(slot, 0, CB710_MMC_IE_TEST_MASK);  in cb710_mmc_irq_handler()
670 	struct cb710_slot *slot = cb710_pdev_to_slot(pdev);  in cb710_mmc_suspend()  local
672 	cb710_mmc_enable_irq(slot, 0, ~0);  in cb710_mmc_suspend()
678 	struct cb710_slot *slot = cb710_pdev_to_slot(pdev);  in cb710_mmc_resume()  local
680 	cb710_mmc_enable_irq(slot, 0, ~0);  in cb710_mmc_resume()
688 	struct cb710_slot *slot = cb710_pdev_to_slot(pdev);  in cb710_mmc_init()  local
689 	struct cb710_chip *chip = cb710_slot_to_chip(slot);  in cb710_mmc_init()
695 	mmc = mmc_alloc_host(sizeof(*reader), cb710_slot_dev(slot));  in cb710_mmc_init()
704 	dev_dbg(cb710_slot_dev(slot), "source frequency: %dMHz\n", val);  in cb710_mmc_init()
726 	cb710_mmc_enable_irq(slot, 0, ~0);  in cb710_mmc_init()
727 	cb710_set_irq_handler(slot, cb710_mmc_irq_handler);  in cb710_mmc_init()
733 	dev_dbg(cb710_slot_dev(slot), "mmc_hostname is %s\n",  in cb710_mmc_init()
736 	cb710_mmc_enable_irq(slot, CB710_MMC_IE_CARD_INSERTION_STATUS, 0);  in cb710_mmc_init()
741 	dev_dbg(cb710_slot_dev(slot), "mmc_add_host() failed: %d\n", err);  in cb710_mmc_init()
743 	cb710_set_irq_handler(slot, NULL);  in cb710_mmc_init()
750 	struct cb710_slot *slot = cb710_pdev_to_slot(pdev);  in cb710_mmc_exit()  local
751 	struct mmc_host *mmc = cb710_slot_to_mmc(slot);  in cb710_mmc_exit()
754 	cb710_mmc_enable_irq(slot, 0, CB710_MMC_IE_CARD_INSERTION_STATUS);  in cb710_mmc_exit()
759 	cb710_mmc_enable_irq(slot, 0, ~0);  in cb710_mmc_exit()
760 	cb710_set_irq_handler(slot, NULL);  in cb710_mmc_exit()
763 	cb710_write_port_32(slot, CB710_MMC_CONFIG_PORT, 0);  in cb710_mmc_exit()
764 	cb710_write_port_16(slot, CB710_MMC_CONFIGB_PORT, 0);  in cb710_mmc_exit()