26 static inline void fintek_cr_write(struct fintek_dev *fintek, u8 val, u8 reg)  in fintek_cr_write()  argument
29 		__func__, reg, val, fintek->cr_ip, fintek->cr_dp);  in fintek_cr_write()
30 	outb(reg, fintek->cr_ip);  in fintek_cr_write()
31 	outb(val, fintek->cr_dp);  in fintek_cr_write()
35 static inline u8 fintek_cr_read(struct fintek_dev *fintek, u8 reg)  in fintek_cr_read()  argument
39 	outb(reg, fintek->cr_ip);  in fintek_cr_read()
40 	val = inb(fintek->cr_dp);  in fintek_cr_read()
43 		__func__, reg, val, fintek->cr_ip, fintek->cr_dp);  in fintek_cr_read()
48 static inline void fintek_set_reg_bit(struct fintek_dev *fintek, u8 val, u8 reg)  in fintek_set_reg_bit()  argument
50 	u8 tmp = fintek_cr_read(fintek, reg) | val;  in fintek_set_reg_bit()
51 	fintek_cr_write(fintek, tmp, reg);  in fintek_set_reg_bit()
55 static inline void fintek_config_mode_enable(struct fintek_dev *fintek)  in fintek_config_mode_enable()  argument
58 	outb(CONFIG_REG_ENABLE, fintek->cr_ip);  in fintek_config_mode_enable()
59 	outb(CONFIG_REG_ENABLE, fintek->cr_ip);  in fintek_config_mode_enable()
63 static inline void fintek_config_mode_disable(struct fintek_dev *fintek)  in fintek_config_mode_disable()  argument
65 	outb(CONFIG_REG_DISABLE, fintek->cr_ip);  in fintek_config_mode_disable()
72 static inline void fintek_select_logical_dev(struct fintek_dev *fintek, u8 ldev)  in fintek_select_logical_dev()  argument
74 	fintek_cr_write(fintek, ldev, GCR_LOGICAL_DEV_NO);  in fintek_select_logical_dev()
78 static inline void fintek_cir_reg_write(struct fintek_dev *fintek, u8 val, u8 offset)  in fintek_cir_reg_write()  argument
80 	outb(val, fintek->cir_addr + offset);  in fintek_cir_reg_write()
84 static u8 fintek_cir_reg_read(struct fintek_dev *fintek, u8 offset)  in fintek_cir_reg_read()  argument
86 	return inb(fintek->cir_addr + offset);  in fintek_cir_reg_read()
90 static void cir_dump_regs(struct fintek_dev *fintek)  in cir_dump_regs()  argument
92 	fintek_config_mode_enable(fintek);  in cir_dump_regs()
93 	fintek_select_logical_dev(fintek, fintek->logical_dev_cir);  in cir_dump_regs()
97 		(fintek_cr_read(fintek, CIR_CR_BASE_ADDR_HI) << 8) |  in cir_dump_regs()
98 		fintek_cr_read(fintek, CIR_CR_BASE_ADDR_LO));  in cir_dump_regs()
100 		fintek_cr_read(fintek, CIR_CR_IRQ_SEL));  in cir_dump_regs()
102 	fintek_config_mode_disable(fintek);  in cir_dump_regs()
106 		fintek_cir_reg_read(fintek, CIR_STATUS));  in cir_dump_regs()
108 		fintek_cir_reg_read(fintek, CIR_CONTROL));  in cir_dump_regs()
110 		fintek_cir_reg_read(fintek, CIR_RX_DATA));  in cir_dump_regs()
112 		fintek_cir_reg_read(fintek, CIR_TX_CONTROL));  in cir_dump_regs()
114 		fintek_cir_reg_read(fintek, CIR_TX_DATA));  in cir_dump_regs()
118 static int fintek_hw_detect(struct fintek_dev *fintek)  in fintek_hw_detect()  argument
126 	fintek_config_mode_enable(fintek);  in fintek_hw_detect()
129 	portsel = fintek_cr_read(fintek, GCR_CONFIG_PORT_SEL);  in fintek_hw_detect()
132 		fintek_config_mode_disable(fintek);  in fintek_hw_detect()
133 		fintek->cr_ip = CR_INDEX_PORT2;  in fintek_hw_detect()
134 		fintek->cr_dp = CR_DATA_PORT2;  in fintek_hw_detect()
135 		fintek_config_mode_enable(fintek);  in fintek_hw_detect()
136 		portsel = fintek_cr_read(fintek, GCR_CONFIG_PORT_SEL);  in fintek_hw_detect()
140 	ir_class = fintek_cir_reg_read(fintek, CIR_CR_CLASS);  in fintek_hw_detect()
146 		fintek->hw_tx_capable = true;  in fintek_hw_detect()
150 		fintek->hw_tx_capable = false;  in fintek_hw_detect()
154 	chip_major = fintek_cr_read(fintek, GCR_CHIP_ID_HI);  in fintek_hw_detect()
155 	chip_minor = fintek_cr_read(fintek, GCR_CHIP_ID_LO);  in fintek_hw_detect()
158 	vendor_major = fintek_cr_read(fintek, GCR_VENDOR_ID_HI);  in fintek_hw_detect()
159 	vendor_minor = fintek_cr_read(fintek, GCR_VENDOR_ID_LO);  in fintek_hw_detect()
167 	fintek_config_mode_disable(fintek);  in fintek_hw_detect()
169 	spin_lock_irqsave(&fintek->fintek_lock, flags);  in fintek_hw_detect()
170 	fintek->chip_major  = chip_major;  in fintek_hw_detect()
171 	fintek->chip_minor  = chip_minor;  in fintek_hw_detect()
172 	fintek->chip_vendor = vendor;  in fintek_hw_detect()
178 		fintek->logical_dev_cir = LOGICAL_DEV_CIR_REV2;  in fintek_hw_detect()
180 		fintek->logical_dev_cir = LOGICAL_DEV_CIR_REV1;  in fintek_hw_detect()
182 	spin_unlock_irqrestore(&fintek->fintek_lock, flags);  in fintek_hw_detect()
187 static void fintek_cir_ldev_init(struct fintek_dev *fintek)  in fintek_cir_ldev_init()  argument
190 	fintek_select_logical_dev(fintek, fintek->logical_dev_cir);  in fintek_cir_ldev_init()
191 	fintek_cr_write(fintek, LOGICAL_DEV_ENABLE, CIR_CR_DEV_EN);  in fintek_cir_ldev_init()
194 	fintek_cr_write(fintek, fintek->cir_addr >> 8, CIR_CR_BASE_ADDR_HI);  in fintek_cir_ldev_init()
195 	fintek_cr_write(fintek, fintek->cir_addr & 0xff, CIR_CR_BASE_ADDR_LO);  in fintek_cir_ldev_init()
197 	fintek_cr_write(fintek, fintek->cir_irq, CIR_CR_IRQ_SEL);  in fintek_cir_ldev_init()
200 		fintek->cir_addr, fintek->cir_irq, fintek->cir_port_len);  in fintek_cir_ldev_init()
204 static void fintek_enable_cir_irq(struct fintek_dev *fintek)  in fintek_enable_cir_irq()  argument
206 	fintek_cir_reg_write(fintek, CIR_STATUS_IRQ_EN, CIR_STATUS);  in fintek_enable_cir_irq()
209 static void fintek_cir_regs_init(struct fintek_dev *fintek)  in fintek_cir_regs_init()  argument
212 	fintek_cir_reg_write(fintek, CIR_STATUS_IRQ_MASK, CIR_STATUS);  in fintek_cir_regs_init()
215 	fintek_enable_cir_irq(fintek);  in fintek_cir_regs_init()
218 static void fintek_enable_wake(struct fintek_dev *fintek)  in fintek_enable_wake()  argument
220 	fintek_config_mode_enable(fintek);  in fintek_enable_wake()
221 	fintek_select_logical_dev(fintek, LOGICAL_DEV_ACPI);  in fintek_enable_wake()
224 	fintek_set_reg_bit(fintek, ACPI_WAKE_EN_CIR_BIT, LDEV_ACPI_WAKE_EN_REG);  in fintek_enable_wake()
226 	fintek_set_reg_bit(fintek, ACPI_PME_CIR_BIT, LDEV_ACPI_PME_EN_REG);  in fintek_enable_wake()
228 	fintek_set_reg_bit(fintek, ACPI_PME_CIR_BIT, LDEV_ACPI_PME_CLR_REG);  in fintek_enable_wake()
230 	fintek_set_reg_bit(fintek, ACPI_STATE_CIR_BIT, LDEV_ACPI_STATE_REG);  in fintek_enable_wake()
232 	fintek_config_mode_disable(fintek);  in fintek_enable_wake()
267 static void fintek_process_rx_ir_data(struct fintek_dev *fintek)  in fintek_process_rx_ir_data()  argument
274 	for (i = 0; i < fintek->pkts; i++) {  in fintek_process_rx_ir_data()
275 		sample = fintek->buf[i];  in fintek_process_rx_ir_data()
276 		switch (fintek->parser_state) {  in fintek_process_rx_ir_data()
278 			fintek->cmd = sample;  in fintek_process_rx_ir_data()
279 			if ((fintek->cmd == BUF_COMMAND_HEADER) ||  in fintek_process_rx_ir_data()
280 			    ((fintek->cmd & BUF_COMMAND_MASK) !=  in fintek_process_rx_ir_data()
282 				fintek->parser_state = SUBCMD;  in fintek_process_rx_ir_data()
285 			fintek->rem = (fintek->cmd & BUF_LEN_MASK);  in fintek_process_rx_ir_data()
286 			fit_dbg("%s: rem: 0x%02x", __func__, fintek->rem);  in fintek_process_rx_ir_data()
287 			if (fintek->rem)  in fintek_process_rx_ir_data()
288 				fintek->parser_state = PARSE_IRDATA;  in fintek_process_rx_ir_data()
290 				ir_raw_event_overflow(fintek->rdev);  in fintek_process_rx_ir_data()
293 			fintek->rem = fintek_cmdsize(fintek->cmd, sample);  in fintek_process_rx_ir_data()
294 			fintek->parser_state = CMD_DATA;  in fintek_process_rx_ir_data()
297 			fintek->rem--;  in fintek_process_rx_ir_data()
300 			fintek->rem--;  in fintek_process_rx_ir_data()
308 			if (ir_raw_event_store_with_filter(fintek->rdev,  in fintek_process_rx_ir_data()
314 		if ((fintek->parser_state != CMD_HEADER) && !fintek->rem)  in fintek_process_rx_ir_data()
315 			fintek->parser_state = CMD_HEADER;  in fintek_process_rx_ir_data()
318 	fintek->pkts = 0;  in fintek_process_rx_ir_data()
322 		ir_raw_event_handle(fintek->rdev);  in fintek_process_rx_ir_data()
327 static void fintek_get_rx_ir_data(struct fintek_dev *fintek, u8 rx_irqs)  in fintek_get_rx_ir_data()  argument
332 	spin_lock_irqsave(&fintek->fintek_lock, flags);  in fintek_get_rx_ir_data()
340 		sample = fintek_cir_reg_read(fintek, CIR_RX_DATA);  in fintek_get_rx_ir_data()
343 		fintek->buf[fintek->pkts] = sample;  in fintek_get_rx_ir_data()
344 		fintek->pkts++;  in fintek_get_rx_ir_data()
346 		status = fintek_cir_reg_read(fintek, CIR_STATUS);  in fintek_get_rx_ir_data()
351 	fintek_process_rx_ir_data(fintek);  in fintek_get_rx_ir_data()
353 	spin_unlock_irqrestore(&fintek->fintek_lock, flags);  in fintek_get_rx_ir_data()
369 	struct fintek_dev *fintek = data;  in fintek_cir_isr()  local
374 	fintek_config_mode_enable(fintek);  in fintek_cir_isr()
375 	fintek_select_logical_dev(fintek, fintek->logical_dev_cir);  in fintek_cir_isr()
376 	fintek_config_mode_disable(fintek);  in fintek_cir_isr()
387 	status = fintek_cir_reg_read(fintek, CIR_STATUS);  in fintek_cir_isr()
390 		fintek_cir_reg_write(fintek, CIR_STATUS_IRQ_MASK, CIR_STATUS);  in fintek_cir_isr()
399 		fintek_get_rx_ir_data(fintek, rx_irqs);  in fintek_cir_isr()
402 	fintek_cir_reg_write(fintek, status, CIR_STATUS);  in fintek_cir_isr()
408 static void fintek_enable_cir(struct fintek_dev *fintek)  in fintek_enable_cir()  argument
411 	fintek_cir_reg_write(fintek, CIR_STATUS_IRQ_EN, CIR_STATUS);  in fintek_enable_cir()
413 	fintek_config_mode_enable(fintek);  in fintek_enable_cir()
416 	fintek_select_logical_dev(fintek, fintek->logical_dev_cir);  in fintek_enable_cir()
417 	fintek_cr_write(fintek, LOGICAL_DEV_ENABLE, CIR_CR_DEV_EN);  in fintek_enable_cir()
419 	fintek_config_mode_disable(fintek);  in fintek_enable_cir()
422 	fintek_cir_reg_write(fintek, CIR_STATUS_IRQ_MASK, CIR_STATUS);  in fintek_enable_cir()
425 	fintek_enable_cir_irq(fintek);  in fintek_enable_cir()
428 static void fintek_disable_cir(struct fintek_dev *fintek)  in fintek_disable_cir()  argument
430 	fintek_config_mode_enable(fintek);  in fintek_disable_cir()
433 	fintek_select_logical_dev(fintek, fintek->logical_dev_cir);  in fintek_disable_cir()
434 	fintek_cr_write(fintek, LOGICAL_DEV_DISABLE, CIR_CR_DEV_EN);  in fintek_disable_cir()
436 	fintek_config_mode_disable(fintek);  in fintek_disable_cir()
441 	struct fintek_dev *fintek = dev->priv;  in fintek_open()  local
444 	spin_lock_irqsave(&fintek->fintek_lock, flags);  in fintek_open()
445 	fintek_enable_cir(fintek);  in fintek_open()
446 	spin_unlock_irqrestore(&fintek->fintek_lock, flags);  in fintek_open()
453 	struct fintek_dev *fintek = dev->priv;  in fintek_close()  local
456 	spin_lock_irqsave(&fintek->fintek_lock, flags);  in fintek_close()
457 	fintek_disable_cir(fintek);  in fintek_close()
458 	spin_unlock_irqrestore(&fintek->fintek_lock, flags);  in fintek_close()
464 	struct fintek_dev *fintek;  in fintek_probe()  local
468 	fintek = kzalloc(sizeof(struct fintek_dev), GFP_KERNEL);  in fintek_probe()
469 	if (!fintek)  in fintek_probe()
489 	fintek->cir_addr = pnp_port_start(pdev, 0);  in fintek_probe()
490 	fintek->cir_irq  = pnp_irq(pdev, 0);  in fintek_probe()
491 	fintek->cir_port_len = pnp_port_len(pdev, 0);  in fintek_probe()
493 	fintek->cr_ip = CR_INDEX_PORT;  in fintek_probe()
494 	fintek->cr_dp = CR_DATA_PORT;  in fintek_probe()
496 	spin_lock_init(&fintek->fintek_lock);  in fintek_probe()
498 	pnp_set_drvdata(pdev, fintek);  in fintek_probe()
499 	fintek->pdev = pdev;  in fintek_probe()
501 	ret = fintek_hw_detect(fintek);  in fintek_probe()
506 	fintek_config_mode_enable(fintek);  in fintek_probe()
507 	fintek_cir_ldev_init(fintek);  in fintek_probe()
508 	fintek_config_mode_disable(fintek);  in fintek_probe()
511 	fintek_cir_regs_init(fintek);  in fintek_probe()
514 	rdev->priv = fintek;  in fintek_probe()
522 	rdev->input_id.product = fintek->chip_major;  in fintek_probe()
523 	rdev->input_id.version = fintek->chip_minor;  in fintek_probe()
531 	fintek->rdev = rdev;  in fintek_probe()
535 	if (!request_region(fintek->cir_addr,  in fintek_probe()
536 			    fintek->cir_port_len, FINTEK_DRIVER_NAME))  in fintek_probe()
539 	if (request_irq(fintek->cir_irq, fintek_cir_isr, IRQF_SHARED,  in fintek_probe()
540 			FINTEK_DRIVER_NAME, (void *)fintek))  in fintek_probe()
551 		cir_dump_regs(fintek);  in fintek_probe()
556 	free_irq(fintek->cir_irq, fintek);  in fintek_probe()
558 	release_region(fintek->cir_addr, fintek->cir_port_len);  in fintek_probe()
561 	kfree(fintek);  in fintek_probe()
568 	struct fintek_dev *fintek = pnp_get_drvdata(pdev);  in fintek_remove()  local
571 	spin_lock_irqsave(&fintek->fintek_lock, flags);  in fintek_remove()
573 	fintek_disable_cir(fintek);  in fintek_remove()
574 	fintek_cir_reg_write(fintek, CIR_STATUS_IRQ_MASK, CIR_STATUS);  in fintek_remove()
576 	fintek_enable_wake(fintek);  in fintek_remove()
577 	spin_unlock_irqrestore(&fintek->fintek_lock, flags);  in fintek_remove()
580 	free_irq(fintek->cir_irq, fintek);  in fintek_remove()
581 	release_region(fintek->cir_addr, fintek->cir_port_len);  in fintek_remove()
583 	rc_unregister_device(fintek->rdev);  in fintek_remove()
585 	kfree(fintek);  in fintek_remove()
590 	struct fintek_dev *fintek = pnp_get_drvdata(pdev);  in fintek_suspend()  local
595 	spin_lock_irqsave(&fintek->fintek_lock, flags);  in fintek_suspend()
598 	fintek_cir_reg_write(fintek, CIR_STATUS_IRQ_MASK, CIR_STATUS);  in fintek_suspend()
600 	spin_unlock_irqrestore(&fintek->fintek_lock, flags);  in fintek_suspend()
602 	fintek_config_mode_enable(fintek);  in fintek_suspend()
605 	fintek_select_logical_dev(fintek, fintek->logical_dev_cir);  in fintek_suspend()
606 	fintek_cr_write(fintek, LOGICAL_DEV_DISABLE, CIR_CR_DEV_EN);  in fintek_suspend()
608 	fintek_config_mode_disable(fintek);  in fintek_suspend()
611 	fintek_enable_wake(fintek);  in fintek_suspend()
618 	struct fintek_dev *fintek = pnp_get_drvdata(pdev);  in fintek_resume()  local
623 	fintek_enable_cir_irq(fintek);  in fintek_resume()
626 	fintek_config_mode_enable(fintek);  in fintek_resume()
627 	fintek_select_logical_dev(fintek, fintek->logical_dev_cir);  in fintek_resume()
628 	fintek_cr_write(fintek, LOGICAL_DEV_ENABLE, CIR_CR_DEV_EN);  in fintek_resume()
630 	fintek_config_mode_disable(fintek);  in fintek_resume()
632 	fintek_cir_regs_init(fintek);  in fintek_resume()
639 	struct fintek_dev *fintek = pnp_get_drvdata(pdev);  in fintek_shutdown()  local
640 	fintek_enable_wake(fintek);  in fintek_shutdown()