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SubjectRe: [PATCH v4] MFD: PCAP driver
On Thu, May 28, 2009 at 03:43:37PM -0300, Daniel Ribeiro wrote:
> Changelog v3 -> v4:
> * Pass struct pcap_chip * instead of void *
> * Fix initial PCAP_REG_INT_SEL value at probe
Thanks Daniel, this one got applied to my for-next branch.

Cheers,
Samuel.


> The PCAP Asic as present on EZX phones is a multi function device with
> voltage regulators, ADC, touch screen controller, RTC, USB transceiver,
> leds controller, and audio codec.
>
> It has two SPI ports, typically one is connected to the application
> processor and another to the baseband, this driver provides read/write
> functions to its registers, irq demultiplexer and ADC
> queueing/abstraction.
>
> This chip is used on a lot of Motorola phones, it was manufactured by TI
> as a custom product with the name PTWL93017, later this design evolved
> into the ATLAS PMIC from Freescale (MC13783).
>
> Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
>
> ---
> drivers/mfd/Kconfig | 7 +
> drivers/mfd/Makefile | 2 +
> drivers/mfd/ezx-pcap.c | 505 ++++++++++++++++++++++++++++++++++++++++++
> include/linux/mfd/ezx-pcap.h | 256 +++++++++++++++++++++
> 4 files changed, 770 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index ee3927a..060ee14 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -241,6 +241,13 @@ config PCF50633_GPIO
> Say yes here if you want to include support GPIO for pins on
> the PCF50633 chip.
>
> +config EZX_PCAP
> + bool "PCAP Support"
> + depends on SPI_MASTER
> + help
> + This enables the PCAP ASIC present on EZX Phones. This is
> + needed for MMC, TouchScreen, Sound, USB, etc..
> +
> endmenu
>
> menu "Multimedia Capabilities Port drivers"
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index 3afb519..b768962 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -26,6 +26,8 @@ obj-$(CONFIG_TWL4030_CORE) += twl4030-core.o twl4030-irq.o
>
> obj-$(CONFIG_MFD_CORE) += mfd-core.o
>
> +obj-$(CONFIG_EZX_PCAP) += ezx-pcap.o
> +
> obj-$(CONFIG_MCP) += mcp-core.o
> obj-$(CONFIG_MCP_SA11X0) += mcp-sa11x0.o
> obj-$(CONFIG_MCP_UCB1200) += ucb1x00-core.o
> diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
> new file mode 100644
> index 0000000..671a7ef
> --- /dev/null
> +++ b/drivers/mfd/ezx-pcap.c
> @@ -0,0 +1,505 @@
> +/*
> + * Driver for Motorola PCAP2 as present in EZX phones
> + *
> + * Copyright (C) 2006 Harald Welte <laforge@openezx.org>
> + * Copyright (C) 2009 Daniel Ribeiro <drwyrm@gmail.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + *
> + */
> +
> +#include <linux/module.h>
> +#include <linux/kernel.h>
> +#include <linux/platform_device.h>
> +#include <linux/interrupt.h>
> +#include <linux/irq.h>
> +#include <linux/mfd/ezx-pcap.h>
> +#include <linux/spi/spi.h>
> +
> +#define PCAP_ADC_MAXQ 8
> +struct pcap_adc_request {
> + u8 bank;
> + u8 ch[2];
> + u32 flags;
> + void (*callback)(void *, u16[]);
> + void *data;
> +};
> +
> +struct pcap_adc_sync_request {
> + u16 res[2];
> + struct completion completion;
> +};
> +
> +struct pcap_chip {
> + struct spi_device *spi;
> +
> + /* IO */
> + u32 buf;
> + struct mutex io_mutex;
> +
> + /* IRQ */
> + unsigned int irq_base;
> + u32 msr;
> + struct work_struct isr_work;
> + struct work_struct msr_work;
> + struct workqueue_struct *workqueue;
> +
> + /* ADC */
> + struct pcap_adc_request *adc_queue[PCAP_ADC_MAXQ];
> + u8 adc_head;
> + u8 adc_tail;
> + struct mutex adc_mutex;
> +};
> +
> +/* IO */
> +static int ezx_pcap_putget(struct pcap_chip *pcap, u32 *data)
> +{
> + struct spi_transfer t;
> + struct spi_message m;
> + int status;
> +
> + memset(&t, 0, sizeof t);
> + spi_message_init(&m);
> + t.len = sizeof(u32);
> + spi_message_add_tail(&t, &m);
> +
> + pcap->buf = *data;
> + t.tx_buf = (u8 *) &pcap->buf;
> + t.rx_buf = (u8 *) &pcap->buf;
> + status = spi_sync(pcap->spi, &m);
> +
> + if (status == 0)
> + *data = pcap->buf;
> +
> + return status;
> +}
> +
> +int ezx_pcap_write(struct pcap_chip *pcap, u8 reg_num, u32 value)
> +{
> + int ret;
> +
> + mutex_lock(&pcap->io_mutex);
> + value &= PCAP_REGISTER_VALUE_MASK;
> + value |= PCAP_REGISTER_WRITE_OP_BIT
> + | (reg_num << PCAP_REGISTER_ADDRESS_SHIFT);
> + ret = ezx_pcap_putget(pcap, &value);
> + mutex_unlock(&pcap->io_mutex);
> +
> + return ret;
> +}
> +EXPORT_SYMBOL_GPL(ezx_pcap_write);
> +
> +int ezx_pcap_read(struct pcap_chip *pcap, u8 reg_num, u32 *value)
> +{
> + int ret;
> +
> + mutex_lock(&pcap->io_mutex);
> + *value = PCAP_REGISTER_READ_OP_BIT
> + | (reg_num << PCAP_REGISTER_ADDRESS_SHIFT);
> +
> + ret = ezx_pcap_putget(pcap, value);
> + mutex_unlock(&pcap->io_mutex);
> +
> + return ret;
> +}
> +EXPORT_SYMBOL_GPL(ezx_pcap_read);
> +
> +/* IRQ */
> +static inline unsigned int irq2pcap(struct pcap_chip *pcap, int irq)
> +{
> + return 1 << (irq - pcap->irq_base);
> +}
> +
> +int pcap_to_irq(struct pcap_chip *pcap, int irq)
> +{
> + return pcap->irq_base + irq;
> +}
> +EXPORT_SYMBOL_GPL(pcap_to_irq);
> +
> +static void pcap_mask_irq(unsigned int irq)
> +{
> + struct pcap_chip *pcap = get_irq_chip_data(irq);
> +
> + pcap->msr |= irq2pcap(pcap, irq);
> + queue_work(pcap->workqueue, &pcap->msr_work);
> +}
> +
> +static void pcap_unmask_irq(unsigned int irq)
> +{
> + struct pcap_chip *pcap = get_irq_chip_data(irq);
> +
> + pcap->msr &= ~irq2pcap(pcap, irq);
> + queue_work(pcap->workqueue, &pcap->msr_work);
> +}
> +
> +static struct irq_chip pcap_irq_chip = {
> + .name = "pcap",
> + .mask = pcap_mask_irq,
> + .unmask = pcap_unmask_irq,
> +};
> +
> +static void pcap_msr_work(struct work_struct *work)
> +{
> + struct pcap_chip *pcap = container_of(work, struct pcap_chip, msr_work);
> +
> + ezx_pcap_write(pcap, PCAP_REG_MSR, pcap->msr);
> +}
> +
> +static void pcap_isr_work(struct work_struct *work)
> +{
> + struct pcap_chip *pcap = container_of(work, struct pcap_chip, isr_work);
> + struct pcap_platform_data *pdata = pcap->spi->dev.platform_data;
> + u32 msr, isr, int_sel, service;
> + int irq;
> +
> + ezx_pcap_read(pcap, PCAP_REG_MSR, &msr);
> + ezx_pcap_read(pcap, PCAP_REG_ISR, &isr);
> +
> + /* We cant service/ack irqs that are assigned to port 2 */
> + if (!(pdata->config & PCAP_SECOND_PORT)) {
> + ezx_pcap_read(pcap, PCAP_REG_INT_SEL, &int_sel);
> + isr &= ~int_sel;
> + }
> + ezx_pcap_write(pcap, PCAP_REG_ISR, isr);
> +
> + local_irq_disable();
> + service = isr & ~msr;
> +
> + for (irq = pcap->irq_base; service; service >>= 1, irq++) {
> + if (service & 1) {
> + struct irq_desc *desc = irq_to_desc(irq);
> +
> + if (WARN(!desc, KERN_WARNING
> + "Invalid PCAP IRQ %d\n", irq))
> + break;
> +
> + if (desc->status & IRQ_DISABLED)
> + note_interrupt(irq, desc, IRQ_NONE);
> + else
> + desc->handle_irq(irq, desc);
> + }
> + }
> + local_irq_enable();
> +}
> +
> +static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
> +{
> + struct pcap_chip *pcap = get_irq_data(irq);
> +
> + desc->chip->ack(irq);
> + queue_work(pcap->workqueue, &pcap->isr_work);
> + return;
> +}
> +
> +/* ADC */
> +static void pcap_disable_adc(struct pcap_chip *pcap)
> +{
> + u32 tmp;
> +
> + ezx_pcap_read(pcap, PCAP_REG_ADC, &tmp);
> + tmp &= ~(PCAP_ADC_ADEN|PCAP_ADC_BATT_I_ADC|PCAP_ADC_BATT_I_POLARITY);
> + ezx_pcap_write(pcap, PCAP_REG_ADC, tmp);
> +}
> +
> +static void pcap_adc_trigger(struct pcap_chip *pcap)
> +{
> + u32 tmp;
> + u8 head;
> +
> + mutex_lock(&pcap->adc_mutex);
> + head = pcap->adc_head;
> + if (!pcap->adc_queue[head]) {
> + /* queue is empty, save power */
> + pcap_disable_adc(pcap);
> + mutex_unlock(&pcap->adc_mutex);
> + return;
> + }
> + mutex_unlock(&pcap->adc_mutex);
> +
> + /* start conversion on requested bank */
> + tmp = pcap->adc_queue[head]->flags | PCAP_ADC_ADEN;
> +
> + if (pcap->adc_queue[head]->bank == PCAP_ADC_BANK_1)
> + tmp |= PCAP_ADC_AD_SEL1;
> +
> + ezx_pcap_write(pcap, PCAP_REG_ADC, tmp);
> + ezx_pcap_write(pcap, PCAP_REG_ADR, PCAP_ADR_ASC);
> +}
> +
> +static irqreturn_t pcap_adc_irq(int irq, void *_pcap)
> +{
> + struct pcap_chip *pcap = _pcap;
> + struct pcap_adc_request *req;
> + u16 res[2];
> + u32 tmp;
> +
> + mutex_lock(&pcap->adc_mutex);
> + req = pcap->adc_queue[pcap->adc_head];
> +
> + if (WARN(!req, KERN_WARNING "adc irq without pending request\n"))
> + return IRQ_HANDLED;
> +
> + /* read requested channels results */
> + ezx_pcap_read(pcap, PCAP_REG_ADC, &tmp);
> + tmp &= ~(PCAP_ADC_ADA1_MASK | PCAP_ADC_ADA2_MASK);
> + tmp |= (req->ch[0] << PCAP_ADC_ADA1_SHIFT);
> + tmp |= (req->ch[1] << PCAP_ADC_ADA2_SHIFT);
> + ezx_pcap_write(pcap, PCAP_REG_ADC, tmp);
> + ezx_pcap_read(pcap, PCAP_REG_ADR, &tmp);
> + res[0] = (tmp & PCAP_ADR_ADD1_MASK) >> PCAP_ADR_ADD1_SHIFT;
> + res[1] = (tmp & PCAP_ADR_ADD2_MASK) >> PCAP_ADR_ADD2_SHIFT;
> +
> + pcap->adc_queue[pcap->adc_head] = NULL;
> + pcap->adc_head = (pcap->adc_head + 1) & (PCAP_ADC_MAXQ - 1);
> + mutex_unlock(&pcap->adc_mutex);
> +
> + /* pass the results and release memory */
> + req->callback(req->data, res);
> + kfree(req);
> +
> + /* trigger next conversion (if any) on queue */
> + pcap_adc_trigger(pcap);
> +
> + return IRQ_HANDLED;
> +}
> +
> +int pcap_adc_async(struct pcap_chip *pcap, u8 bank, u32 flags, u8 ch[],
> + void *callback, void *data)
> +{
> + struct pcap_adc_request *req;
> +
> + /* This will be freed after we have a result */
> + req = kmalloc(sizeof(struct pcap_adc_request), GFP_KERNEL);
> + if (!req)
> + return -ENOMEM;
> +
> + req->bank = bank;
> + req->flags = flags;
> + req->ch[0] = ch[0];
> + req->ch[1] = ch[1];
> + req->callback = callback;
> + req->data = data;
> +
> + mutex_lock(&pcap->adc_mutex);
> + if (pcap->adc_queue[pcap->adc_tail]) {
> + mutex_unlock(&pcap->adc_mutex);
> + kfree(req);
> + return -EBUSY;
> + }
> + pcap->adc_queue[pcap->adc_tail] = req;
> + pcap->adc_tail = (pcap->adc_tail + 1) & (PCAP_ADC_MAXQ - 1);
> + mutex_unlock(&pcap->adc_mutex);
> +
> + /* start conversion */
> + pcap_adc_trigger(pcap);
> +
> + return 0;
> +}
> +EXPORT_SYMBOL_GPL(pcap_adc_async);
> +
> +static void pcap_adc_sync_cb(void *param, u16 res[])
> +{
> + struct pcap_adc_sync_request *req = param;
> +
> + req->res[0] = res[0];
> + req->res[1] = res[1];
> + complete(&req->completion);
> +}
> +
> +int pcap_adc_sync(struct pcap_chip *pcap, u8 bank, u32 flags, u8 ch[],
> + u16 res[])
> +{
> + struct pcap_adc_sync_request sync_data;
> + int ret;
> +
> + init_completion(&sync_data.completion);
> + ret = pcap_adc_async(pcap, bank, flags, ch, pcap_adc_sync_cb,
> + &sync_data);
> + if (ret)
> + return ret;
> + wait_for_completion(&sync_data.completion);
> + res[0] = sync_data.res[0];
> + res[1] = sync_data.res[1];
> +
> + return 0;
> +}
> +EXPORT_SYMBOL_GPL(pcap_adc_sync);
> +
> +/* subdevs */
> +static int pcap_remove_subdev(struct device *dev, void *unused)
> +{
> + platform_device_unregister(to_platform_device(dev));
> + return 0;
> +}
> +
> +static int __devinit pcap_add_subdev(struct pcap_chip *pcap,
> + struct pcap_subdev *subdev)
> +{
> + struct platform_device *pdev;
> +
> + pdev = platform_device_alloc(subdev->name, subdev->id);
> + pdev->dev.parent = &pcap->spi->dev;
> + pdev->dev.platform_data = subdev->platform_data;
> + platform_set_drvdata(pdev, pcap);
> +
> + return platform_device_add(pdev);
> +}
> +
> +static int __devexit ezx_pcap_remove(struct spi_device *spi)
> +{
> + struct pcap_chip *pcap = dev_get_drvdata(&spi->dev);
> + struct pcap_platform_data *pdata = spi->dev.platform_data;
> + int i, adc_irq;
> +
> + /* remove all registered subdevs */
> + device_for_each_child(&spi->dev, NULL, pcap_remove_subdev);
> +
> + /* cleanup ADC */
> + adc_irq = pcap_to_irq(pcap, (pdata->config & PCAP_SECOND_PORT) ?
> + PCAP_IRQ_ADCDONE2 : PCAP_IRQ_ADCDONE);
> + free_irq(adc_irq, pcap);
> + mutex_lock(&pcap->adc_mutex);
> + for (i = 0; i < PCAP_ADC_MAXQ; i++)
> + kfree(pcap->adc_queue[i]);
> + mutex_unlock(&pcap->adc_mutex);
> +
> + /* cleanup irqchip */
> + for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++)
> + set_irq_chip_and_handler(i, NULL, NULL);
> +
> + destroy_workqueue(pcap->workqueue);
> +
> + kfree(pcap);
> +
> + return 0;
> +}
> +
> +static int __devinit ezx_pcap_probe(struct spi_device *spi)
> +{
> + struct pcap_platform_data *pdata = spi->dev.platform_data;
> + struct pcap_chip *pcap;
> + int i, adc_irq;
> + int ret = -ENODEV;
> +
> + /* platform data is required */
> + if (!pdata)
> + goto ret;
> +
> + pcap = kzalloc(sizeof(*pcap), GFP_KERNEL);
> + if (!pcap) {
> + ret = -ENOMEM;
> + goto ret;
> + }
> +
> + mutex_init(&pcap->io_mutex);
> + mutex_init(&pcap->adc_mutex);
> + INIT_WORK(&pcap->isr_work, pcap_isr_work);
> + INIT_WORK(&pcap->msr_work, pcap_msr_work);
> + dev_set_drvdata(&spi->dev, pcap);
> +
> + /* setup spi */
> + spi->bits_per_word = 32;
> + spi->mode = SPI_MODE_0 | (pdata->config & PCAP_CS_AH ? SPI_CS_HIGH : 0);
> + ret = spi_setup(spi);
> + if (ret)
> + goto free_pcap;
> +
> + pcap->spi = spi;
> +
> + /* setup irq */
> + pcap->irq_base = pdata->irq_base;
> + pcap->workqueue = create_singlethread_workqueue("pcapd");
> + if (!pcap->workqueue) {
> + dev_err(&spi->dev, "cant create pcap thread\n");
> + goto free_pcap;
> + }
> +
> + /* redirect interrupts to AP, except adcdone2 */
> + if (!(pdata->config & PCAP_SECOND_PORT))
> + ezx_pcap_write(pcap, PCAP_REG_INT_SEL,
> + (1 << PCAP_IRQ_ADCDONE2));
> +
> + /* setup irq chip */
> + for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++) {
> + set_irq_chip_and_handler(i, &pcap_irq_chip, handle_simple_irq);
> + set_irq_chip_data(i, pcap);
> +#ifdef CONFIG_ARM
> + set_irq_flags(i, IRQF_VALID);
> +#else
> + set_irq_noprobe(i);
> +#endif
> + }
> +
> + /* mask/ack all PCAP interrupts */
> + ezx_pcap_write(pcap, PCAP_REG_MSR, PCAP_MASK_ALL_INTERRUPT);
> + ezx_pcap_write(pcap, PCAP_REG_ISR, PCAP_CLEAR_INTERRUPT_REGISTER);
> + pcap->msr = PCAP_MASK_ALL_INTERRUPT;
> +
> + set_irq_type(spi->irq, IRQ_TYPE_EDGE_RISING);
> + set_irq_data(spi->irq, pcap);
> + set_irq_chained_handler(spi->irq, pcap_irq_handler);
> + set_irq_wake(spi->irq, 1);
> +
> + /* ADC */
> + adc_irq = pcap_to_irq(pcap, (pdata->config & PCAP_SECOND_PORT) ?
> + PCAP_IRQ_ADCDONE2 : PCAP_IRQ_ADCDONE);
> +
> + ret = request_irq(adc_irq, pcap_adc_irq, 0, "ADC", pcap);
> + if (ret)
> + goto free_irqchip;
> +
> + /* setup subdevs */
> + for (i = 0; i < pdata->num_subdevs; i++) {
> + ret = pcap_add_subdev(pcap, &pdata->subdevs[i]);
> + if (ret)
> + goto remove_subdevs;
> + }
> +
> + /* board specific quirks */
> + if (pdata->init)
> + pdata->init(pcap);
> +
> + return 0;
> +
> +remove_subdevs:
> + device_for_each_child(&spi->dev, NULL, pcap_remove_subdev);
> +/* free_adc: */
> + free_irq(adc_irq, pcap);
> +free_irqchip:
> + for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++)
> + set_irq_chip_and_handler(i, NULL, NULL);
> +/* destroy_workqueue: */
> + destroy_workqueue(pcap->workqueue);
> +free_pcap:
> + kfree(pcap);
> +ret:
> + return ret;
> +}
> +
> +static struct spi_driver ezxpcap_driver = {
> + .probe = ezx_pcap_probe,
> + .remove = __devexit_p(ezx_pcap_remove),
> + .driver = {
> + .name = "ezx-pcap",
> + .owner = THIS_MODULE,
> + },
> +};
> +
> +static int __init ezx_pcap_init(void)
> +{
> + return spi_register_driver(&ezxpcap_driver);
> +}
> +
> +static void __exit ezx_pcap_exit(void)
> +{
> + spi_unregister_driver(&ezxpcap_driver);
> +}
> +
> +module_init(ezx_pcap_init);
> +module_exit(ezx_pcap_exit);
> +
> +MODULE_LICENSE("GPL");
> +MODULE_AUTHOR("Daniel Ribeiro / Harald Welte");
> +MODULE_DESCRIPTION("Motorola PCAP2 ASIC Driver");
> diff --git a/include/linux/mfd/ezx-pcap.h b/include/linux/mfd/ezx-pcap.h
> new file mode 100644
> index 0000000..c12c3c0
> --- /dev/null
> +++ b/include/linux/mfd/ezx-pcap.h
> @@ -0,0 +1,256 @@
> +/*
> + * Copyright 2009 Daniel Ribeiro <drwyrm@gmail.com>
> + *
> + * For further information, please see http://wiki.openezx.org/PCAP2
> + */
> +
> +#ifndef EZX_PCAP_H
> +#define EZX_PCAP_H
> +
> +struct pcap_subdev {
> + int id;
> + const char *name;
> + void *platform_data;
> +};
> +
> +struct pcap_platform_data {
> + unsigned int irq_base;
> + unsigned int config;
> + void (*init) (void *); /* board specific init */
> + int num_subdevs;
> + struct pcap_subdev *subdevs;
> +};
> +
> +struct pcap_chip;
> +
> +int ezx_pcap_write(struct pcap_chip *, u8, u32);
> +int ezx_pcap_read(struct pcap_chip *, u8, u32 *);
> +int pcap_to_irq(struct pcap_chip *, int);
> +int pcap_adc_async(struct pcap_chip *, u8, u32, u8[], void *, void *);
> +int pcap_adc_sync(struct pcap_chip *, u8, u32, u8[], u16[]);
> +
> +#define PCAP_SECOND_PORT 1
> +#define PCAP_CS_AH 2
> +
> +#define PCAP_REGISTER_WRITE_OP_BIT 0x80000000
> +#define PCAP_REGISTER_READ_OP_BIT 0x00000000
> +
> +#define PCAP_REGISTER_VALUE_MASK 0x01ffffff
> +#define PCAP_REGISTER_ADDRESS_MASK 0x7c000000
> +#define PCAP_REGISTER_ADDRESS_SHIFT 26
> +#define PCAP_REGISTER_NUMBER 32
> +#define PCAP_CLEAR_INTERRUPT_REGISTER 0x01ffffff
> +#define PCAP_MASK_ALL_INTERRUPT 0x01ffffff
> +
> +/* registers acessible by both pcap ports */
> +#define PCAP_REG_ISR 0x0 /* Interrupt Status */
> +#define PCAP_REG_MSR 0x1 /* Interrupt Mask */
> +#define PCAP_REG_PSTAT 0x2 /* Processor Status */
> +#define PCAP_REG_VREG2 0x6 /* Regulator Bank 2 Control */
> +#define PCAP_REG_AUXVREG 0x7 /* Auxiliary Regulator Control */
> +#define PCAP_REG_BATT 0x8 /* Battery Control */
> +#define PCAP_REG_ADC 0x9 /* AD Control */
> +#define PCAP_REG_ADR 0xa /* AD Result */
> +#define PCAP_REG_CODEC 0xb /* Audio Codec Control */
> +#define PCAP_REG_RX_AMPS 0xc /* RX Audio Amplifiers Control */
> +#define PCAP_REG_ST_DAC 0xd /* Stereo DAC Control */
> +#define PCAP_REG_BUSCTRL 0x14 /* Connectivity Control */
> +#define PCAP_REG_PERIPH 0x15 /* Peripheral Control */
> +#define PCAP_REG_LOWPWR 0x18 /* Regulator Low Power Control */
> +#define PCAP_REG_TX_AMPS 0x1a /* TX Audio Amplifiers Control */
> +#define PCAP_REG_GP 0x1b /* General Purpose */
> +#define PCAP_REG_TEST1 0x1c
> +#define PCAP_REG_TEST2 0x1d
> +#define PCAP_REG_VENDOR_TEST1 0x1e
> +#define PCAP_REG_VENDOR_TEST2 0x1f
> +
> +/* registers acessible by pcap port 1 only (a1200, e2 & e6) */
> +#define PCAP_REG_INT_SEL 0x3 /* Interrupt Select */
> +#define PCAP_REG_SWCTRL 0x4 /* Switching Regulator Control */
> +#define PCAP_REG_VREG1 0x5 /* Regulator Bank 1 Control */
> +#define PCAP_REG_RTC_TOD 0xe /* RTC Time of Day */
> +#define PCAP_REG_RTC_TODA 0xf /* RTC Time of Day Alarm */
> +#define PCAP_REG_RTC_DAY 0x10 /* RTC Day */
> +#define PCAP_REG_RTC_DAYA 0x11 /* RTC Day Alarm */
> +#define PCAP_REG_MTRTMR 0x12 /* AD Monitor Timer */
> +#define PCAP_REG_PWR 0x13 /* Power Control */
> +#define PCAP_REG_AUXVREG_MASK 0x16 /* Auxiliary Regulator Mask */
> +#define PCAP_REG_VENDOR_REV 0x17
> +#define PCAP_REG_PERIPH_MASK 0x19 /* Peripheral Mask */
> +
> +/* PCAP2 Interrupts */
> +#define PCAP_NIRQS 23
> +#define PCAP_IRQ_ADCDONE 0 /* ADC done port 1 */
> +#define PCAP_IRQ_TS 1 /* Touch Screen */
> +#define PCAP_IRQ_1HZ 2 /* 1HZ timer */
> +#define PCAP_IRQ_WH 3 /* ADC above high limit */
> +#define PCAP_IRQ_WL 4 /* ADC below low limit */
> +#define PCAP_IRQ_TODA 5 /* Time of day alarm */
> +#define PCAP_IRQ_USB4V 6 /* USB above 4V */
> +#define PCAP_IRQ_ONOFF 7 /* On/Off button */
> +#define PCAP_IRQ_ONOFF2 8 /* On/Off button 2 */
> +#define PCAP_IRQ_USB1V 9 /* USB above 1V */
> +#define PCAP_IRQ_MOBPORT 10
> +#define PCAP_IRQ_MIC 11 /* Mic attach/HS button */
> +#define PCAP_IRQ_HS 12 /* Headset attach */
> +#define PCAP_IRQ_ST 13
> +#define PCAP_IRQ_PC 14 /* Power Cut */
> +#define PCAP_IRQ_WARM 15
> +#define PCAP_IRQ_EOL 16 /* Battery End Of Life */
> +#define PCAP_IRQ_CLK 17
> +#define PCAP_IRQ_SYSRST 18 /* System Reset */
> +#define PCAP_IRQ_DUMMY 19
> +#define PCAP_IRQ_ADCDONE2 20 /* ADC done port 2 */
> +#define PCAP_IRQ_SOFTRESET 21
> +#define PCAP_IRQ_MNEXB 22
> +
> +/* voltage regulators */
> +#define V1 0
> +#define V2 1
> +#define V3 2
> +#define V4 3
> +#define V5 4
> +#define V6 5
> +#define V7 6
> +#define V8 7
> +#define V9 8
> +#define V10 9
> +#define VAUX1 10
> +#define VAUX2 11
> +#define VAUX3 12
> +#define VAUX4 13
> +#define VSIM 14
> +#define VSIM2 15
> +#define VVIB 16
> +#define SW1 17
> +#define SW2 18
> +#define SW3 19
> +#define SW1S 20
> +#define SW2S 21
> +
> +#define PCAP_BATT_DAC_MASK 0x000000ff
> +#define PCAP_BATT_DAC_SHIFT 0
> +#define PCAP_BATT_B_FDBK (1 << 8)
> +#define PCAP_BATT_EXT_ISENSE (1 << 9)
> +#define PCAP_BATT_V_COIN_MASK 0x00003c00
> +#define PCAP_BATT_V_COIN_SHIFT 10
> +#define PCAP_BATT_I_COIN (1 << 14)
> +#define PCAP_BATT_COIN_CH_EN (1 << 15)
> +#define PCAP_BATT_EOL_SEL_MASK 0x000e0000
> +#define PCAP_BATT_EOL_SEL_SHIFT 17
> +#define PCAP_BATT_EOL_CMP_EN (1 << 20)
> +#define PCAP_BATT_BATT_DET_EN (1 << 21)
> +#define PCAP_BATT_THERMBIAS_CTRL (1 << 22)
> +
> +#define PCAP_ADC_ADEN (1 << 0)
> +#define PCAP_ADC_RAND (1 << 1)
> +#define PCAP_ADC_AD_SEL1 (1 << 2)
> +#define PCAP_ADC_AD_SEL2 (1 << 3)
> +#define PCAP_ADC_ADA1_MASK 0x00000070
> +#define PCAP_ADC_ADA1_SHIFT 4
> +#define PCAP_ADC_ADA2_MASK 0x00000380
> +#define PCAP_ADC_ADA2_SHIFT 7
> +#define PCAP_ADC_ATO_MASK 0x00003c00
> +#define PCAP_ADC_ATO_SHIFT 10
> +#define PCAP_ADC_ATOX (1 << 14)
> +#define PCAP_ADC_MTR1 (1 << 15)
> +#define PCAP_ADC_MTR2 (1 << 16)
> +#define PCAP_ADC_TS_M_MASK 0x000e0000
> +#define PCAP_ADC_TS_M_SHIFT 17
> +#define PCAP_ADC_TS_REF_LOWPWR (1 << 20)
> +#define PCAP_ADC_TS_REFENB (1 << 21)
> +#define PCAP_ADC_BATT_I_POLARITY (1 << 22)
> +#define PCAP_ADC_BATT_I_ADC (1 << 23)
> +
> +#define PCAP_ADC_BANK_0 0
> +#define PCAP_ADC_BANK_1 1
> +/* ADC bank 0 */
> +#define PCAP_ADC_CH_COIN 0
> +#define PCAP_ADC_CH_BATT 1
> +#define PCAP_ADC_CH_BPLUS 2
> +#define PCAP_ADC_CH_MOBPORTB 3
> +#define PCAP_ADC_CH_TEMPERATURE 4
> +#define PCAP_ADC_CH_CHARGER_ID 5
> +#define PCAP_ADC_CH_AD6 6
> +/* ADC bank 1 */
> +#define PCAP_ADC_CH_AD7 0
> +#define PCAP_ADC_CH_AD8 1
> +#define PCAP_ADC_CH_AD9 2
> +#define PCAP_ADC_CH_TS_X1 3
> +#define PCAP_ADC_CH_TS_X2 4
> +#define PCAP_ADC_CH_TS_Y1 5
> +#define PCAP_ADC_CH_TS_Y2 6
> +
> +#define PCAP_ADC_T_NOW 0
> +#define PCAP_ADC_T_IN_BURST 1
> +#define PCAP_ADC_T_OUT_BURST 2
> +
> +#define PCAP_ADC_ATO_IN_BURST 6
> +#define PCAP_ADC_ATO_OUT_BURST 0
> +
> +#define PCAP_ADC_TS_M_XY 1
> +#define PCAP_ADC_TS_M_PRESSURE 2
> +#define PCAP_ADC_TS_M_PLATE_X 3
> +#define PCAP_ADC_TS_M_PLATE_Y 4
> +#define PCAP_ADC_TS_M_STANDBY 5
> +#define PCAP_ADC_TS_M_NONTS 6
> +
> +#define PCAP_ADR_ADD1_MASK 0x000003ff
> +#define PCAP_ADR_ADD1_SHIFT 0
> +#define PCAP_ADR_ADD2_MASK 0x000ffc00
> +#define PCAP_ADR_ADD2_SHIFT 10
> +#define PCAP_ADR_ADINC1 (1 << 20)
> +#define PCAP_ADR_ADINC2 (1 << 21)
> +#define PCAP_ADR_ASC (1 << 22)
> +#define PCAP_ADR_ONESHOT (1 << 23)
> +
> +#define PCAP_BUSCTRL_FSENB (1 << 0)
> +#define PCAP_BUSCTRL_USB_SUSPEND (1 << 1)
> +#define PCAP_BUSCTRL_USB_PU (1 << 2)
> +#define PCAP_BUSCTRL_USB_PD (1 << 3)
> +#define PCAP_BUSCTRL_VUSB_EN (1 << 4)
> +#define PCAP_BUSCTRL_USB_PS (1 << 5)
> +#define PCAP_BUSCTRL_VUSB_MSTR_EN (1 << 6)
> +#define PCAP_BUSCTRL_VBUS_PD_ENB (1 << 7)
> +#define PCAP_BUSCTRL_CURRLIM (1 << 8)
> +#define PCAP_BUSCTRL_RS232ENB (1 << 9)
> +#define PCAP_BUSCTRL_RS232_DIR (1 << 10)
> +#define PCAP_BUSCTRL_SE0_CONN (1 << 11)
> +#define PCAP_BUSCTRL_USB_PDM (1 << 12)
> +#define PCAP_BUSCTRL_BUS_PRI_ADJ (1 << 24)
> +
> +/* leds */
> +#define PCAP_LED0 0
> +#define PCAP_LED1 1
> +#define PCAP_BL0 2
> +#define PCAP_BL1 3
> +#define PCAP_VIB 4
> +#define PCAP_LED_3MA 0
> +#define PCAP_LED_4MA 1
> +#define PCAP_LED_5MA 2
> +#define PCAP_LED_9MA 3
> +#define PCAP_LED_GPIO_VAL_MASK 0x00ffffff
> +#define PCAP_LED_GPIO_EN 0x01000000
> +#define PCAP_LED_GPIO_INVERT 0x02000000
> +#define PCAP_LED_T_MASK 0xf
> +#define PCAP_LED_C_MASK 0x3
> +#define PCAP_BL_MASK 0x1f
> +#define PCAP_BL0_SHIFT 0
> +#define PCAP_LED0_EN (1 << 5)
> +#define PCAP_LED1_EN (1 << 6)
> +#define PCAP_LED0_T_SHIFT 7
> +#define PCAP_LED1_T_SHIFT 11
> +#define PCAP_LED0_C_SHIFT 15
> +#define PCAP_LED1_C_SHIFT 17
> +#define PCAP_BL1_SHIFT 20
> +#define PCAP_VIB_MASK 0x3
> +#define PCAP_VIB_SHIFT 20
> +#define PCAP_VIB_EN (1 << 19)
> +
> +/* RTC */
> +#define PCAP_RTC_DAY_MASK 0x3fff
> +#define PCAP_RTC_TOD_MASK 0xffff
> +#define PCAP_RTC_PC_MASK 0x7
> +#define SEC_PER_DAY 86400
> +
> +#endif
> --
> tg: (625a6e4..) ezx/pcap (depends on: ezx/increase-nrirqs spi/pxa2xx_spi-fix-dma-resume)
>
> --
> Daniel Ribeiro
>

--
Intel Open Source Technology Centre
http://oss.intel.com/


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