30 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_select_clock_divider()  local
31 	struct pci_dev *pdev = cb710_slot_to_chip(slot)->pdev;  in cb710_mmc_select_clock_divider()
57 	dev_dbg(cb710_slot_dev(slot),  in cb710_mmc_select_clock_divider()
63 static void __cb710_mmc_enable_irq(struct cb710_slot *slot,  in __cb710_mmc_enable_irq()  argument
75 	enable = (cb710_read_port_16(slot, CB710_MMC_IRQ_ENABLE_PORT)  in __cb710_mmc_enable_irq()
81 	cb710_write_port_16(slot, CB710_MMC_IRQ_ENABLE_PORT, enable);  in __cb710_mmc_enable_irq()
84 static void cb710_mmc_enable_irq(struct cb710_slot *slot,  in cb710_mmc_enable_irq()  argument
87 	struct cb710_mmc_reader *reader = mmc_priv(cb710_slot_to_mmc(slot));  in cb710_mmc_enable_irq()
92 	__cb710_mmc_enable_irq(slot, enable, mask);  in cb710_mmc_enable_irq()
96 static void cb710_mmc_reset_events(struct cb710_slot *slot)  in cb710_mmc_reset_events()  argument
98 	cb710_write_port_8(slot, CB710_MMC_STATUS0_PORT, 0xFF);  in cb710_mmc_reset_events()
99 	cb710_write_port_8(slot, CB710_MMC_STATUS1_PORT, 0xFF);  in cb710_mmc_reset_events()
100 	cb710_write_port_8(slot, CB710_MMC_STATUS2_PORT, 0xFF);  in cb710_mmc_reset_events()
103 static void cb710_mmc_enable_4bit_data(struct cb710_slot *slot, int enable)  in cb710_mmc_enable_4bit_data()  argument
106 		cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT,  in cb710_mmc_enable_4bit_data()
109 		cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT,  in cb710_mmc_enable_4bit_data()
113 static int cb710_check_event(struct cb710_slot *slot, u8 what)  in cb710_check_event()  argument
117 	status = cb710_read_port_16(slot, CB710_MMC_STATUS_PORT);  in cb710_check_event()
121 		dev_dbg(cb710_slot_dev(slot),  in cb710_check_event()
123 		cb710_write_port_8(slot, CB710_MMC_STATUS0_PORT,  in cb710_check_event()
129 		dev_dbg(cb710_slot_dev(slot),  in cb710_check_event()
131 		cb710_write_port_8(slot, CB710_MMC_STATUS0_PORT, status & 0xFF);  in cb710_check_event()
132 		cb710_write_port_8(slot, CB710_MMC_STATUS1_PORT,  in cb710_check_event()
139 		cb710_write_port_8(slot, CB710_MMC_STATUS1_PORT, what);  in cb710_check_event()
146 static int cb710_wait_for_event(struct cb710_slot *slot, u8 what)  in cb710_wait_for_event()  argument
153 	e = cb710_read_port_32(slot, CB710_MMC_STATUS_PORT);  in cb710_wait_for_event()
156 	while (!(err = cb710_check_event(slot, what))) {  in cb710_wait_for_event()
158 			cb710_dump_regs(cb710_slot_to_chip(slot),  in cb710_wait_for_event()
167 	x = cb710_read_port_32(slot, CB710_MMC_STATUS_PORT);  in cb710_wait_for_event()
171 		dev_dbg(cb710_slot_dev(slot),  in cb710_wait_for_event()
179 static int cb710_wait_while_busy(struct cb710_slot *slot, uint8_t mask)  in cb710_wait_while_busy()  argument
186 	e = cb710_read_port_32(slot, CB710_MMC_STATUS_PORT);  in cb710_wait_while_busy()
189 	while (cb710_read_port_8(slot, CB710_MMC_STATUS2_PORT) & mask) {  in cb710_wait_while_busy()
191 			cb710_dump_regs(cb710_slot_to_chip(slot),  in cb710_wait_while_busy()
200 	x = cb710_read_port_32(slot, CB710_MMC_STATUS_PORT);  in cb710_wait_while_busy()
204 		dev_dbg(cb710_slot_dev(slot),  in cb710_wait_while_busy()
211 static void cb710_mmc_set_transfer_size(struct cb710_slot *slot,  in cb710_mmc_set_transfer_size()  argument
214 	cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_set_transfer_size()
215 	cb710_write_port_32(slot, CB710_MMC_TRANSFER_SIZE_PORT,  in cb710_mmc_set_transfer_size()
218 	dev_vdbg(cb710_slot_dev(slot), "set up for %zu block%s of %zu bytes\n",  in cb710_mmc_set_transfer_size()
222 static void cb710_mmc_fifo_hack(struct cb710_slot *slot)  in cb710_mmc_fifo_hack()  argument
228 	r1 = cb710_read_port_32(slot, CB710_MMC_DATA_PORT);  in cb710_mmc_fifo_hack()
229 	r2 = cb710_read_port_32(slot, CB710_MMC_DATA_PORT);  in cb710_mmc_fifo_hack()
230 	if (cb710_read_port_8(slot, CB710_MMC_STATUS0_PORT)  in cb710_mmc_fifo_hack()
232 		cb710_write_port_8(slot, CB710_MMC_STATUS0_PORT,  in cb710_mmc_fifo_hack()
237 	dev_dbg(cb710_slot_dev(slot),  in cb710_mmc_fifo_hack()
240 	dev_dbg(cb710_slot_dev(slot),  in cb710_mmc_fifo_hack()
245 static int cb710_mmc_receive_pio(struct cb710_slot *slot,  in cb710_mmc_receive_pio()  argument
248 	if (!(cb710_read_port_8(slot, CB710_MMC_STATUS2_PORT) & CB710_MMC_S2_FIFO_READY)) {  in cb710_mmc_receive_pio()
249 		int err = cb710_wait_for_event(slot,  in cb710_mmc_receive_pio()
256 		slot->iobase + CB710_MMC_DATA_PORT, dw_count);  in cb710_mmc_receive_pio()
266 static int cb710_mmc_receive(struct cb710_slot *slot, struct mmc_data *data)  in cb710_mmc_receive()  argument
279 	cb710_modify_port_8(slot, CB710_MMC_CONFIG2_PORT,  in cb710_mmc_receive()
282 	cb710_mmc_fifo_hack(slot);  in cb710_mmc_receive()
288 			err = cb710_mmc_receive_pio(slot, &miter, 4);  in cb710_mmc_receive()
297 		cb710_modify_port_8(slot, CB710_MMC_CONFIG2_PORT,  in cb710_mmc_receive()
301 		err = cb710_mmc_receive_pio(slot, &miter, len);  in cb710_mmc_receive()
310 static int cb710_mmc_send(struct cb710_slot *slot, struct mmc_data *data)  in cb710_mmc_send()  argument
323 	cb710_modify_port_8(slot, CB710_MMC_CONFIG2_PORT,  in cb710_mmc_send()
329 			if (!(cb710_read_port_8(slot, CB710_MMC_STATUS2_PORT)  in cb710_mmc_send()
331 				err = cb710_wait_for_event(slot,  in cb710_mmc_send()
337 				slot->iobase + CB710_MMC_DATA_PORT, 4);  in cb710_mmc_send()
396 static void cb710_receive_response(struct cb710_slot *slot,  in cb710_receive_response()  argument
405 		resp[0] = cb710_read_port_32(slot, CB710_MMC_RESPONSE3_PORT);  in cb710_receive_response()
406 		resp[1] = cb710_read_port_32(slot, CB710_MMC_RESPONSE2_PORT);  in cb710_receive_response()
407 		resp[2] = cb710_read_port_32(slot, CB710_MMC_RESPONSE1_PORT);  in cb710_receive_response()
408 		resp[3] = cb710_read_port_32(slot, CB710_MMC_RESPONSE0_PORT);  in cb710_receive_response()
416 		rsp_opcode = cb710_read_port_32(slot, CB710_MMC_RESPONSE1_PORT) & 0x3F;  in cb710_receive_response()
417 		cmd->resp[0] = cb710_read_port_32(slot, CB710_MMC_RESPONSE0_PORT);  in cb710_receive_response()
425 static int cb710_mmc_transfer_data(struct cb710_slot *slot,  in cb710_mmc_transfer_data()  argument
431 		error = cb710_mmc_receive(slot, data);  in cb710_mmc_transfer_data()
433 		error = cb710_mmc_send(slot, data);  in cb710_mmc_transfer_data()
435 	to = cb710_wait_for_event(slot, CB710_MMC_S1_DATA_TRANSFER_DONE);  in cb710_mmc_transfer_data()
446 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_command()  local
451 	dev_dbg(cb710_slot_dev(slot), "cmd request: 0x%04X\n", cb_cmd);  in cb710_mmc_command()
458 		cb710_mmc_set_transfer_size(slot, data->blocks, data->blksz);  in cb710_mmc_command()
461 	cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20|CB710_MMC_S2_BUSY_10);  in cb710_mmc_command()
462 	cb710_write_port_16(slot, CB710_MMC_CMD_TYPE_PORT, cb_cmd);  in cb710_mmc_command()
463 	cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_command()
464 	cb710_write_port_32(slot, CB710_MMC_CMD_PARAM_PORT, cmd->arg);  in cb710_mmc_command()
465 	cb710_mmc_reset_events(slot);  in cb710_mmc_command()
466 	cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_command()
467 	cb710_modify_port_8(slot, CB710_MMC_CONFIG0_PORT, 0x01, 0);  in cb710_mmc_command()
469 	cmd->error = cb710_wait_for_event(slot, CB710_MMC_S1_COMMAND_SENT);  in cb710_mmc_command()
474 		cb710_receive_response(slot, cmd);  in cb710_mmc_command()
480 		data->error = cb710_mmc_transfer_data(slot, data);  in cb710_mmc_command()
486 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_request()  local
492 	cb710_mmc_enable_irq(slot, CB710_MMC_IE_TEST_MASK, 0);  in cb710_mmc_request()
500 static int cb710_mmc_powerup(struct cb710_slot *slot)  in cb710_mmc_powerup()  argument
503 	struct cb710_chip *chip = cb710_slot_to_chip(slot);  in cb710_mmc_powerup()
508 	dev_dbg(cb710_slot_dev(slot), "bus powerup\n");  in cb710_mmc_powerup()
510 	err = cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_powerup()
513 	cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT, 0x80, 0);  in cb710_mmc_powerup()
514 	cb710_modify_port_8(slot, CB710_MMC_CONFIG3_PORT, 0x80, 0);  in cb710_mmc_powerup()
517 	dev_dbg(cb710_slot_dev(slot), "after delay 1\n");  in cb710_mmc_powerup()
519 	err = cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_powerup()
522 	cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT, 0x09, 0);  in cb710_mmc_powerup()
525 	dev_dbg(cb710_slot_dev(slot), "after delay 2\n");  in cb710_mmc_powerup()
527 	err = cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_powerup()
530 	cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT, 0, 0x08);  in cb710_mmc_powerup()
533 	dev_dbg(cb710_slot_dev(slot), "after delay 3\n");  in cb710_mmc_powerup()
535 	cb710_modify_port_8(slot, CB710_MMC_CONFIG0_PORT, 0x06, 0);  in cb710_mmc_powerup()
536 	cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT, 0x70, 0);  in cb710_mmc_powerup()
537 	cb710_modify_port_8(slot, CB710_MMC_CONFIG2_PORT, 0x80, 0);  in cb710_mmc_powerup()
538 	cb710_modify_port_8(slot, CB710_MMC_CONFIG3_PORT, 0x03, 0);  in cb710_mmc_powerup()
540 	err = cb710_wait_while_busy(slot, CB710_MMC_S2_BUSY_20);  in cb710_mmc_powerup()
547 	cb710_write_port_16(slot, CB710_MMC_CONFIGB_PORT, 0xFFFF);  in cb710_mmc_powerup()
548 	cb710_modify_port_8(slot, CB710_MMC_CONFIG0_PORT, 0x06, 0);  in cb710_mmc_powerup()
550 	dev_dbg(cb710_slot_dev(slot), "bus powerup finished\n");  in cb710_mmc_powerup()
552 	return cb710_check_event(slot, 0);  in cb710_mmc_powerup()
555 static void cb710_mmc_powerdown(struct cb710_slot *slot)  in cb710_mmc_powerdown()  argument
557 	cb710_modify_port_8(slot, CB710_MMC_CONFIG1_PORT, 0, 0x81);  in cb710_mmc_powerdown()
558 	cb710_modify_port_8(slot, CB710_MMC_CONFIG3_PORT, 0, 0x80);  in cb710_mmc_powerdown()
563 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_set_ios()  local
572 		err = cb710_mmc_powerup(slot);  in cb710_mmc_set_ios()
574 			dev_warn(cb710_slot_dev(slot),  in cb710_mmc_set_ios()
576 			cb710_mmc_powerdown(slot);  in cb710_mmc_set_ios()
578 			err = cb710_mmc_powerup(slot);  in cb710_mmc_set_ios()
580 				dev_warn(cb710_slot_dev(slot),  in cb710_mmc_set_ios()
587 		cb710_mmc_powerdown(slot);  in cb710_mmc_set_ios()
595 	cb710_mmc_enable_4bit_data(slot, ios->bus_width != MMC_BUS_WIDTH_1);  in cb710_mmc_set_ios()
597 	cb710_mmc_enable_irq(slot, CB710_MMC_IE_TEST_MASK, 0);  in cb710_mmc_set_ios()
602 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_get_ro()  local
604 	return cb710_read_port_8(slot, CB710_MMC_STATUS3_PORT)  in cb710_mmc_get_ro()
610 	struct cb710_slot *slot = cb710_mmc_to_slot(mmc);  in cb710_mmc_get_cd()  local
612 	return cb710_read_port_8(slot, CB710_MMC_STATUS3_PORT)  in cb710_mmc_get_cd()
616 static int cb710_mmc_irq_handler(struct cb710_slot *slot)  in cb710_mmc_irq_handler()  argument
618 	struct mmc_host *mmc = cb710_slot_to_mmc(slot);  in cb710_mmc_irq_handler()
622 	status = cb710_read_port_32(slot, CB710_MMC_STATUS_PORT);  in cb710_mmc_irq_handler()
623 	irqen = cb710_read_port_32(slot, CB710_MMC_IRQ_ENABLE_PORT);  in cb710_mmc_irq_handler()
624 	config2 = cb710_read_port_32(slot, CB710_MMC_CONFIGB_PORT);  in cb710_mmc_irq_handler()
625 	config1 = cb710_read_port_32(slot, CB710_MMC_CONFIG_PORT);  in cb710_mmc_irq_handler()
627 	dev_dbg(cb710_slot_dev(slot), "interrupt; status: %08X, "  in cb710_mmc_irq_handler()
633 		cb710_write_port_8(slot, CB710_MMC_STATUS1_PORT,  in cb710_mmc_irq_handler()
639 		dev_dbg(cb710_slot_dev(slot), "unknown interrupt (test)\n");  in cb710_mmc_irq_handler()
641 		__cb710_mmc_enable_irq(slot, 0, CB710_MMC_IE_TEST_MASK);  in cb710_mmc_irq_handler()
669 	struct cb710_slot *slot = cb710_pdev_to_slot(pdev);  in cb710_mmc_suspend()  local
671 	cb710_mmc_enable_irq(slot, 0, ~0);  in cb710_mmc_suspend()
677 	struct cb710_slot *slot = cb710_pdev_to_slot(pdev);  in cb710_mmc_resume()  local
679 	cb710_mmc_enable_irq(slot, 0, ~0);  in cb710_mmc_resume()
687 	struct cb710_slot *slot = cb710_pdev_to_slot(pdev);  in cb710_mmc_init()  local
688 	struct cb710_chip *chip = cb710_slot_to_chip(slot);  in cb710_mmc_init()
694 	mmc = mmc_alloc_host(sizeof(*reader), cb710_slot_dev(slot));  in cb710_mmc_init()
703 	dev_dbg(cb710_slot_dev(slot), "source frequency: %dMHz\n", val);  in cb710_mmc_init()
719 	cb710_mmc_enable_irq(slot, 0, ~0);  in cb710_mmc_init()
720 	cb710_set_irq_handler(slot, cb710_mmc_irq_handler);  in cb710_mmc_init()
726 	dev_dbg(cb710_slot_dev(slot), "mmc_hostname is %s\n",  in cb710_mmc_init()
729 	cb710_mmc_enable_irq(slot, CB710_MMC_IE_CARD_INSERTION_STATUS, 0);  in cb710_mmc_init()
734 	dev_dbg(cb710_slot_dev(slot), "mmc_add_host() failed: %d\n", err);  in cb710_mmc_init()
736 	cb710_set_irq_handler(slot, NULL);  in cb710_mmc_init()
743 	struct cb710_slot *slot = cb710_pdev_to_slot(pdev);  in cb710_mmc_exit()  local
744 	struct mmc_host *mmc = cb710_slot_to_mmc(slot);  in cb710_mmc_exit()
747 	cb710_mmc_enable_irq(slot, 0, CB710_MMC_IE_CARD_INSERTION_STATUS);  in cb710_mmc_exit()
752 	cb710_mmc_enable_irq(slot, 0, ~0);  in cb710_mmc_exit()
753 	cb710_set_irq_handler(slot, NULL);  in cb710_mmc_exit()
756 	cb710_write_port_32(slot, CB710_MMC_CONFIG_PORT, 0);  in cb710_mmc_exit()
757 	cb710_write_port_16(slot, CB710_MMC_CONFIGB_PORT, 0);  in cb710_mmc_exit()