Now there is ported version of this driver, staging version is redundand and obsolete
Signed-off-by: Maxim Levitsky <[email protected]> --- drivers/staging/lirc/Kconfig | 8 - drivers/staging/lirc/Makefile | 1 - drivers/staging/lirc/lirc_ene0100.c | 646 ----------------------------------- drivers/staging/lirc/lirc_ene0100.h | 169 --------- 4 files changed, 0 insertions(+), 824 deletions(-) delete mode 100644 drivers/staging/lirc/lirc_ene0100.c delete mode 100644 drivers/staging/lirc/lirc_ene0100.h diff --git a/drivers/staging/lirc/Kconfig b/drivers/staging/lirc/Kconfig index 968c2ad..d199165 100644 --- a/drivers/staging/lirc/Kconfig +++ b/drivers/staging/lirc/Kconfig @@ -17,14 +17,6 @@ config LIRC_BT829 help Driver for the IR interface on BT829-based hardware -config LIRC_ENE0100 - tristate "ENE KB3924/ENE0100 CIR Port Reciever" - depends on LIRC_STAGING - help - This is a driver for CIR port handled by ENE KB3924 embedded - controller found on some notebooks. - It appears on PNP list as ENE0100. - config LIRC_I2C tristate "I2C Based IR Receivers" depends on LIRC_STAGING diff --git a/drivers/staging/lirc/Makefile b/drivers/staging/lirc/Makefile index a019182..7011d6c 100644 --- a/drivers/staging/lirc/Makefile +++ b/drivers/staging/lirc/Makefile @@ -4,7 +4,6 @@ # Each configuration option enables a list of files. obj-$(CONFIG_LIRC_BT829) += lirc_bt829.o -obj-$(CONFIG_LIRC_ENE0100) += lirc_ene0100.o obj-$(CONFIG_LIRC_I2C) += lirc_i2c.o obj-$(CONFIG_LIRC_IGORPLUGUSB) += lirc_igorplugusb.o obj-$(CONFIG_LIRC_IMON) += lirc_imon.o diff --git a/drivers/staging/lirc/lirc_ene0100.c b/drivers/staging/lirc/lirc_ene0100.c deleted file mode 100644 index a152c52..0000000 --- a/drivers/staging/lirc/lirc_ene0100.c +++ /dev/null @@ -1,646 +0,0 @@ -/* - * driver for ENE KB3926 B/C/D CIR (also known as ENE0100) - * - * Copyright (C) 2009 Maxim Levitsky <[email protected]> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/pnp.h> -#include <linux/io.h> -#include <linux/interrupt.h> -#include <linux/sched.h> -#include "lirc_ene0100.h" - -static int sample_period = 75; -static int enable_idle = 1; -static int enable_learning; - -static void ene_set_idle(struct ene_device *dev, int idle); -static void ene_set_inputs(struct ene_device *dev, int enable); - -/* read a hardware register */ -static u8 ene_hw_read_reg(struct ene_device *dev, u16 reg) -{ - outb(reg >> 8, dev->hw_io + ENE_ADDR_HI); - outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO); - return inb(dev->hw_io + ENE_IO); -} - -/* write a hardware register */ -static void ene_hw_write_reg(struct ene_device *dev, u16 reg, u8 value) -{ - outb(reg >> 8, dev->hw_io + ENE_ADDR_HI); - outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO); - outb(value, dev->hw_io + ENE_IO); -} - -/* change specific bits in hardware register */ -static void ene_hw_write_reg_mask(struct ene_device *dev, - u16 reg, u8 value, u8 mask) -{ - u8 regvalue; - - outb(reg >> 8, dev->hw_io + ENE_ADDR_HI); - outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO); - - regvalue = inb(dev->hw_io + ENE_IO) & ~mask; - regvalue |= (value & mask); - outb(regvalue, dev->hw_io + ENE_IO); -} - -/* read irq status and ack it */ -static int ene_hw_irq_status(struct ene_device *dev, int *buffer_pointer) -{ - u8 irq_status; - u8 fw_flags1, fw_flags2; - - fw_flags2 = ene_hw_read_reg(dev, ENE_FW2); - - if (buffer_pointer) - *buffer_pointer = 4 * (fw_flags2 & ENE_FW2_BUF_HIGH); - - if (dev->hw_revision < ENE_HW_C) { - irq_status = ene_hw_read_reg(dev, ENEB_IRQ_STATUS); - - if (!(irq_status & ENEB_IRQ_STATUS_IR)) - return 0; - ene_hw_write_reg(dev, ENEB_IRQ_STATUS, - irq_status & ~ENEB_IRQ_STATUS_IR); - - /* rev B support only recieving */ - return ENE_IRQ_RX; - } - - irq_status = ene_hw_read_reg(dev, ENEC_IRQ); - - if (!(irq_status & ENEC_IRQ_STATUS)) - return 0; - - /* original driver does that twice - a workaround ? */ - ene_hw_write_reg(dev, ENEC_IRQ, irq_status & ~ENEC_IRQ_STATUS); - ene_hw_write_reg(dev, ENEC_IRQ, irq_status & ~ENEC_IRQ_STATUS); - - /* clear unknown flag in F8F9 */ - if (fw_flags2 & ENE_FW2_IRQ_CLR) - ene_hw_write_reg(dev, ENE_FW2, fw_flags2 & ~ENE_FW2_IRQ_CLR); - - /* check if this is a TX interrupt */ - fw_flags1 = ene_hw_read_reg(dev, ENE_FW1); - - if (fw_flags1 & ENE_FW1_TXIRQ) { - ene_hw_write_reg(dev, ENE_FW1, fw_flags1 & ~ENE_FW1_TXIRQ); - return ENE_IRQ_TX; - } else - return ENE_IRQ_RX; -} - -static int ene_hw_detect(struct ene_device *dev) -{ - u8 chip_major, chip_minor; - u8 hw_revision, old_ver; - u8 tmp; - u8 fw_capabilities; - - tmp = ene_hw_read_reg(dev, ENE_HW_UNK); - ene_hw_write_reg(dev, ENE_HW_UNK, tmp & ~ENE_HW_UNK_CLR); - - chip_major = ene_hw_read_reg(dev, ENE_HW_VER_MAJOR); - chip_minor = ene_hw_read_reg(dev, ENE_HW_VER_MINOR); - - ene_hw_write_reg(dev, ENE_HW_UNK, tmp); - hw_revision = ene_hw_read_reg(dev, ENE_HW_VERSION); - old_ver = ene_hw_read_reg(dev, ENE_HW_VER_OLD); - - if (hw_revision == 0xFF) { - - ene_printk(KERN_WARNING, "device seems to be disabled\n"); - ene_printk(KERN_WARNING, - "send a mail to [email protected]\n"); - ene_printk(KERN_WARNING, "please attach output of acpidump\n"); - - return -ENODEV; - } - - if (chip_major == 0x33) { - ene_printk(KERN_WARNING, "chips 0x33xx aren't supported yet\n"); - return -ENODEV; - } - - if (chip_major == 0x39 && chip_minor == 0x26 && hw_revision == 0xC0) { - dev->hw_revision = ENE_HW_C; - ene_printk(KERN_WARNING, - "KB3926C detected, driver support is not complete!\n"); - - } else if (old_ver == 0x24 && hw_revision == 0xC0) { - dev->hw_revision = ENE_HW_B; - ene_printk(KERN_NOTICE, "KB3926B detected\n"); - } else { - dev->hw_revision = ENE_HW_D; - ene_printk(KERN_WARNING, - "unknown ENE chip detected, assuming KB3926D\n"); - ene_printk(KERN_WARNING, "driver support incomplete"); - - } - - ene_printk(KERN_DEBUG, "chip is 0x%02x%02x - 0x%02x, 0x%02x\n", - chip_major, chip_minor, old_ver, hw_revision); - - - /* detect features hardware supports */ - - if (dev->hw_revision < ENE_HW_C) - return 0; - - fw_capabilities = ene_hw_read_reg(dev, ENE_FW2); - - dev->hw_gpio40_learning = fw_capabilities & ENE_FW2_GP40_AS_LEARN; - dev->hw_learning_and_tx_capable = fw_capabilities & ENE_FW2_LEARNING; - - dev->hw_fan_as_normal_input = dev->hw_learning_and_tx_capable && - fw_capabilities & ENE_FW2_FAN_AS_NRML_IN; - - ene_printk(KERN_NOTICE, "hardware features:\n"); - ene_printk(KERN_NOTICE, - "learning and tx %s, gpio40_learn %s, fan_in %s\n", - dev->hw_learning_and_tx_capable ? "on" : "off", - dev->hw_gpio40_learning ? "on" : "off", - dev->hw_fan_as_normal_input ? "on" : "off"); - - if (!dev->hw_learning_and_tx_capable && enable_learning) - enable_learning = 0; - - if (dev->hw_learning_and_tx_capable) { - ene_printk(KERN_WARNING, - "Device supports transmitting, but the driver doesn't\n"); - ene_printk(KERN_WARNING, - "due to lack of hardware to test against.\n"); - ene_printk(KERN_WARNING, - "Send a mail to: [email protected]\n"); - } - return 0; -} - -/* hardware initialization */ -static int ene_hw_init(void *data) -{ - u8 reg_value; - struct ene_device *dev = (struct ene_device *)data; - dev->in_use = 1; - - if (dev->hw_revision < ENE_HW_C) { - ene_hw_write_reg(dev, ENEB_IRQ, dev->irq << 1); - ene_hw_write_reg(dev, ENEB_IRQ_UNK1, 0x01); - } else { - reg_value = ene_hw_read_reg(dev, ENEC_IRQ) & 0xF0; - reg_value |= ENEC_IRQ_UNK_EN; - reg_value &= ~ENEC_IRQ_STATUS; - reg_value |= (dev->irq & ENEC_IRQ_MASK); - ene_hw_write_reg(dev, ENEC_IRQ, reg_value); - ene_hw_write_reg(dev, ENE_TX_UNK1, 0x63); - } - - ene_hw_write_reg(dev, ENE_CIR_CONF2, 0x00); - ene_set_inputs(dev, enable_learning); - - /* set sampling period */ - ene_hw_write_reg(dev, ENE_CIR_SAMPLE_PERIOD, sample_period); - - /* ack any pending irqs - just in case */ - ene_hw_irq_status(dev, NULL); - - /* enter idle mode */ - ene_set_idle(dev, 1); - - /* enable firmware bits */ - ene_hw_write_reg_mask(dev, ENE_FW1, - ENE_FW1_ENABLE | ENE_FW1_IRQ, - ENE_FW1_ENABLE | ENE_FW1_IRQ); - /* clear stats */ - dev->sample = 0; - return 0; -} - -/* this enables gpio40 signal, used if connected to wide band input*/ -static void ene_enable_gpio40(struct ene_device *dev, int enable) -{ - ene_hw_write_reg_mask(dev, ENE_CIR_CONF1, enable ? - 0 : ENE_CIR_CONF2_GPIO40DIS, - ENE_CIR_CONF2_GPIO40DIS); -} - -/* this enables the classic sampler */ -static void ene_enable_normal_recieve(struct ene_device *dev, int enable) -{ - ene_hw_write_reg(dev, ENE_CIR_CONF1, enable ? ENE_CIR_CONF1_ADC_ON : 0); -} - -/* this enables recieve via fan input */ -static void ene_enable_fan_recieve(struct ene_device *dev, int enable) -{ - if (!enable) - ene_hw_write_reg(dev, ENE_FAN_AS_IN1, 0); - else { - ene_hw_write_reg(dev, ENE_FAN_AS_IN1, ENE_FAN_AS_IN1_EN); - ene_hw_write_reg(dev, ENE_FAN_AS_IN2, ENE_FAN_AS_IN2_EN); - } - dev->fan_input_inuse = enable; -} - -/* determine which input to use*/ -static void ene_set_inputs(struct ene_device *dev, int learning_enable) -{ - ene_enable_normal_recieve(dev, 1); - - /* old hardware doesn't support learning mode for sure */ - if (dev->hw_revision <= ENE_HW_B) - return; - - /* reciever not learning capable, still set gpio40 correctly */ - if (!dev->hw_learning_and_tx_capable) { - ene_enable_gpio40(dev, !dev->hw_gpio40_learning); - return; - } - - /* enable learning mode */ - if (learning_enable) { - ene_enable_gpio40(dev, dev->hw_gpio40_learning); - - /* fan input is not used for learning */ - if (dev->hw_fan_as_normal_input) - ene_enable_fan_recieve(dev, 0); - - /* disable learning mode */ - } else { - if (dev->hw_fan_as_normal_input) { - ene_enable_fan_recieve(dev, 1); - ene_enable_normal_recieve(dev, 0); - } else - ene_enable_gpio40(dev, !dev->hw_gpio40_learning); - } - - /* set few additional settings for this mode */ - ene_hw_write_reg_mask(dev, ENE_CIR_CONF1, learning_enable ? - ENE_CIR_CONF1_LEARN1 : 0, ENE_CIR_CONF1_LEARN1); - - ene_hw_write_reg_mask(dev, ENE_CIR_CONF2, learning_enable ? - ENE_CIR_CONF2_LEARN2 : 0, ENE_CIR_CONF2_LEARN2); -} - -/* deinitialization */ -static void ene_hw_deinit(void *data) -{ - struct ene_device *dev = (struct ene_device *)data; - - /* disable samplers */ - ene_enable_normal_recieve(dev, 0); - - if (dev->hw_fan_as_normal_input) - ene_enable_fan_recieve(dev, 0); - - /* disable hardware IRQ and firmware flag */ - ene_hw_write_reg_mask(dev, ENE_FW1, 0, ENE_FW1_ENABLE | ENE_FW1_IRQ); - - ene_set_idle(dev, 1); - dev->in_use = 0; -} - -/* sends current sample to userspace */ -static void send_sample(struct ene_device *dev) -{ - int value = abs(dev->sample) & PULSE_MASK; - - if (dev->sample > 0) - value |= PULSE_BIT; - - if (!lirc_buffer_full(dev->lirc_driver->rbuf)) { - lirc_buffer_write(dev->lirc_driver->rbuf, (void *)&value); - wake_up(&dev->lirc_driver->rbuf->wait_poll); - } - dev->sample = 0; -} - -/* this updates current sample */ -static void update_sample(struct ene_device *dev, int sample) -{ - if (!dev->sample) - dev->sample = sample; - else if (same_sign(dev->sample, sample)) - dev->sample += sample; - else { - send_sample(dev); - dev->sample = sample; - } -} - -/* enable or disable idle mode */ -static void ene_set_idle(struct ene_device *dev, int idle) -{ - struct timeval now; - int disable = idle && enable_idle && (dev->hw_revision < ENE_HW_C); - - ene_hw_write_reg_mask(dev, ENE_CIR_SAMPLE_PERIOD, - disable ? 0 : ENE_CIR_SAMPLE_OVERFLOW, - ENE_CIR_SAMPLE_OVERFLOW); - dev->idle = idle; - - /* remember when we have entered the idle mode */ - if (idle) { - do_gettimeofday(&dev->gap_start); - return; - } - - /* send the gap between keypresses now */ - do_gettimeofday(&now); - - if (now.tv_sec - dev->gap_start.tv_sec > 16) - dev->sample = space(PULSE_MASK); - else - dev->sample = dev->sample + - space(1000000ull * (now.tv_sec - dev->gap_start.tv_sec)) - + space(now.tv_usec - dev->gap_start.tv_usec); - - if (abs(dev->sample) > PULSE_MASK) - dev->sample = space(PULSE_MASK); - send_sample(dev); -} - -/* interrupt handler */ -static irqreturn_t ene_hw_irq(int irq, void *data) -{ - u16 hw_value; - int i, hw_sample; - int space; - int buffer_pointer; - int irq_status; - - struct ene_device *dev = (struct ene_device *)data; - irq_status = ene_hw_irq_status(dev, &buffer_pointer); - - if (!irq_status) - return IRQ_NONE; - - /* TODO: only RX for now */ - if (irq_status == ENE_IRQ_TX) - return IRQ_HANDLED; - - for (i = 0; i < ENE_SAMPLES_SIZE; i++) { - - hw_value = ene_hw_read_reg(dev, - ENE_SAMPLE_BUFFER + buffer_pointer + i); - - if (dev->fan_input_inuse) { - /* read high part of the sample */ - hw_value |= ene_hw_read_reg(dev, - ENE_SAMPLE_BUFFER_FAN + buffer_pointer + i) << 8; - - /* test for _space_ bit */ - space = !(hw_value & ENE_FAN_SMPL_PULS_MSK); - - /* clear space bit, and other unused bits */ - hw_value &= ENE_FAN_VALUE_MASK; - hw_sample = hw_value * ENE_SAMPLE_PERIOD_FAN; - - } else { - space = hw_value & ENE_SAMPLE_SPC_MASK; - hw_value &= ENE_SAMPLE_VALUE_MASK; - hw_sample = hw_value * sample_period; - } - - /* no more data */ - if (!(hw_value)) - break; - - if (space) - hw_sample *= -1; - - /* overflow sample recieved, handle it */ - - if (!dev->fan_input_inuse && hw_value == ENE_SAMPLE_OVERFLOW) { - - if (dev->idle) - continue; - - if (dev->sample > 0 || abs(dev->sample) <= ENE_MAXGAP) - update_sample(dev, hw_sample); - else - ene_set_idle(dev, 1); - - continue; - } - - /* normal first sample recieved */ - if (!dev->fan_input_inuse && dev->idle) { - ene_set_idle(dev, 0); - - /* discard first recieved value, its random - since its the time signal was off before - first pulse if idle mode is enabled, HW - does that for us */ - - if (!enable_idle) - continue; - } - update_sample(dev, hw_sample); - send_sample(dev); - } - return IRQ_HANDLED; -} - -static int ene_probe(struct pnp_dev *pnp_dev, - const struct pnp_device_id *dev_id) -{ - struct ene_device *dev; - struct lirc_driver *lirc_driver; - int error = -ENOMEM; - - dev = kzalloc(sizeof(struct ene_device), GFP_KERNEL); - - if (!dev) - goto err1; - - dev->pnp_dev = pnp_dev; - pnp_set_drvdata(pnp_dev, dev); - - - /* prepare lirc interface */ - error = -ENOMEM; - lirc_driver = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL); - - if (!lirc_driver) - goto err2; - - dev->lirc_driver = lirc_driver; - - strcpy(lirc_driver->name, ENE_DRIVER_NAME); - lirc_driver->minor = -1; - lirc_driver->code_length = sizeof(int) * 8; - lirc_driver->features = LIRC_CAN_REC_MODE2; - lirc_driver->data = dev; - lirc_driver->set_use_inc = ene_hw_init; - lirc_driver->set_use_dec = ene_hw_deinit; - lirc_driver->dev = &pnp_dev->dev; - lirc_driver->owner = THIS_MODULE; - - lirc_driver->rbuf = kzalloc(sizeof(struct lirc_buffer), GFP_KERNEL); - - if (!lirc_driver->rbuf) - goto err3; - - if (lirc_buffer_init(lirc_driver->rbuf, sizeof(int), sizeof(int) * 256)) - goto err4; - - error = -ENODEV; - if (lirc_register_driver(lirc_driver)) - goto err5; - - /* validate resources */ - if (!pnp_port_valid(pnp_dev, 0) || - pnp_port_len(pnp_dev, 0) < ENE_MAX_IO) - goto err6; - - if (!pnp_irq_valid(pnp_dev, 0)) - goto err6; - - dev->hw_io = pnp_port_start(pnp_dev, 0); - dev->irq = pnp_irq(pnp_dev, 0); - - /* claim the resources */ - error = -EBUSY; - if (!request_region(dev->hw_io, ENE_MAX_IO, ENE_DRIVER_NAME)) - goto err6; - - if (request_irq(dev->irq, ene_hw_irq, - IRQF_SHARED, ENE_DRIVER_NAME, (void *)dev)) - goto err7; - - /* detect hardware version and features */ - error = ene_hw_detect(dev); - if (error) - goto err8; - - ene_printk(KERN_NOTICE, "driver has been succesfully loaded\n"); - return 0; - -err8: - free_irq(dev->irq, dev); -err7: - release_region(dev->hw_io, ENE_MAX_IO); -err6: - lirc_unregister_driver(lirc_driver->minor); -err5: - lirc_buffer_free(lirc_driver->rbuf); -err4: - kfree(lirc_driver->rbuf); -err3: - kfree(lirc_driver); -err2: - kfree(dev); -err1: - return error; -} - -static void ene_remove(struct pnp_dev *pnp_dev) -{ - struct ene_device *dev = pnp_get_drvdata(pnp_dev); - ene_hw_deinit(dev); - free_irq(dev->irq, dev); - release_region(dev->hw_io, ENE_MAX_IO); - lirc_unregister_driver(dev->lirc_driver->minor); - lirc_buffer_free(dev->lirc_driver->rbuf); - kfree(dev->lirc_driver); - kfree(dev); -} - -#ifdef CONFIG_PM - -/* TODO: make 'wake on IR' configurable and add .shutdown */ -/* currently impossible due to lack of kernel support */ - -static int ene_suspend(struct pnp_dev *pnp_dev, pm_message_t state) -{ - struct ene_device *dev = pnp_get_drvdata(pnp_dev); - ene_hw_write_reg_mask(dev, ENE_FW1, ENE_FW1_WAKE, ENE_FW1_WAKE); - return 0; -} - -static int ene_resume(struct pnp_dev *pnp_dev) -{ - struct ene_device *dev = pnp_get_drvdata(pnp_dev); - if (dev->in_use) - ene_hw_init(dev); - - ene_hw_write_reg_mask(dev, ENE_FW1, 0, ENE_FW1_WAKE); - return 0; -} - -#endif - -static const struct pnp_device_id ene_ids[] = { - {.id = "ENE0100",}, - {}, -}; - -static struct pnp_driver ene_driver = { - .name = ENE_DRIVER_NAME, - .id_table = ene_ids, - .flags = PNP_DRIVER_RES_DO_NOT_CHANGE, - - .probe = ene_probe, - .remove = __devexit_p(ene_remove), - -#ifdef CONFIG_PM - .suspend = ene_suspend, - .resume = ene_resume, -#endif -}; - -static int __init ene_init(void) -{ - if (sample_period < 5) { - ene_printk(KERN_ERR, "sample period must be at\n"); - ene_printk(KERN_ERR, "least 5 us, (at least 30 recommended)\n"); - return -EINVAL; - } - return pnp_register_driver(&ene_driver); -} - -static void ene_exit(void) -{ - pnp_unregister_driver(&ene_driver); -} - -module_param(sample_period, int, S_IRUGO); -MODULE_PARM_DESC(sample_period, "Hardware sample period (75 us default)"); - -module_param(enable_idle, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(enable_idle, - "Enables turning off signal sampling after long inactivity time; " - "if disabled might help detecting input signal (default: enabled)"); - -module_param(enable_learning, bool, S_IRUGO); -MODULE_PARM_DESC(enable_learning, "Use wide band (learning) reciever"); - -MODULE_DEVICE_TABLE(pnp, ene_ids); -MODULE_DESCRIPTION - ("LIRC driver for KB3926B/KB3926C/KB3926D (aka ENE0100) CIR port"); -MODULE_AUTHOR("Maxim Levitsky"); -MODULE_LICENSE("GPL"); - -module_init(ene_init); -module_exit(ene_exit); diff --git a/drivers/staging/lirc/lirc_ene0100.h b/drivers/staging/lirc/lirc_ene0100.h deleted file mode 100644 index 825045d..0000000 --- a/drivers/staging/lirc/lirc_ene0100.h +++ /dev/null @@ -1,169 +0,0 @@ -/* - * driver for ENE KB3926 B/C/D CIR (also known as ENE0100) - * - * Copyright (C) 2009 Maxim Levitsky <[email protected]> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ - -#include <media/lirc.h> -#include <media/lirc_dev.h> - -/* hardware address */ -#define ENE_STATUS 0 /* hardware status - unused */ -#define ENE_ADDR_HI 1 /* hi byte of register address */ -#define ENE_ADDR_LO 2 /* low byte of register address */ -#define ENE_IO 3 /* read/write window */ -#define ENE_MAX_IO 4 - -/* 8 bytes of samples, divided in 2 halfs*/ -#define ENE_SAMPLE_BUFFER 0xF8F0 /* regular sample buffer */ -#define ENE_SAMPLE_SPC_MASK (1 << 7) /* sample is space */ -#define ENE_SAMPLE_VALUE_MASK 0x7F -#define ENE_SAMPLE_OVERFLOW 0x7F -#define ENE_SAMPLES_SIZE 4 - -/* fan input sample buffer */ -#define ENE_SAMPLE_BUFFER_FAN 0xF8FB /* this buffer holds high byte of */ - /* each sample of normal buffer */ - -#define ENE_FAN_SMPL_PULS_MSK 0x8000 /* this bit of combined sample */ - /* if set, says that sample is pulse */ -#define ENE_FAN_VALUE_MASK 0x0FFF /* mask for valid bits of the value */ - -/* first firmware register */ -#define ENE_FW1 0xF8F8 -#define ENE_FW1_ENABLE (1 << 0) /* enable fw processing */ -#define ENE_FW1_TXIRQ (1 << 1) /* TX interrupt pending */ -#define ENE_FW1_WAKE (1 << 6) /* enable wake from S3 */ -#define ENE_FW1_IRQ (1 << 7) /* enable interrupt */ - -/* second firmware register */ -#define ENE_FW2 0xF8F9 -#define ENE_FW2_BUF_HIGH (1 << 0) /* which half of the buffer to read */ -#define ENE_FW2_IRQ_CLR (1 << 2) /* clear this on IRQ */ -#define ENE_FW2_GP40_AS_LEARN (1 << 4) /* normal input is used as */ - /* learning input */ -#define ENE_FW2_FAN_AS_NRML_IN (1 << 6) /* fan is used as normal input */ -#define ENE_FW2_LEARNING (1 << 7) /* hardware supports learning and TX */ - -/* fan as input settings - only if learning capable */ -#define ENE_FAN_AS_IN1 0xFE30 /* fan init reg 1 */ -#define ENE_FAN_AS_IN1_EN 0xCD -#define ENE_FAN_AS_IN2 0xFE31 /* fan init reg 2 */ -#define ENE_FAN_AS_IN2_EN 0x03 -#define ENE_SAMPLE_PERIOD_FAN 61 /* fan input has fixed sample period */ - -/* IRQ registers block (for revision B) */ -#define ENEB_IRQ 0xFD09 /* IRQ number */ -#define ENEB_IRQ_UNK1 0xFD17 /* unknown setting = 1 */ -#define ENEB_IRQ_STATUS 0xFD80 /* irq status */ -#define ENEB_IRQ_STATUS_IR (1 << 5) /* IR irq */ - -/* IRQ registers block (for revision C,D) */ -#define ENEC_IRQ 0xFE9B /* new irq settings register */ -#define ENEC_IRQ_MASK 0x0F /* irq number mask */ -#define ENEC_IRQ_UNK_EN (1 << 4) /* always enabled */ -#define ENEC_IRQ_STATUS (1 << 5) /* irq status and ACK */ - -/* CIR block settings */ -#define ENE_CIR_CONF1 0xFEC0 -#define ENE_CIR_CONF1_ADC_ON 0x7 /* reciever on gpio40 enabled */ -#define ENE_CIR_CONF1_LEARN1 (1 << 3) /* enabled on learning mode */ -#define ENE_CIR_CONF1_TX_ON 0x30 /* enabled on transmit */ -#define ENE_CIR_CONF1_TX_CARR (1 << 7) /* send TX carrier or not */ - -#define ENE_CIR_CONF2 0xFEC1 /* unknown setting = 0 */ -#define ENE_CIR_CONF2_LEARN2 (1 << 4) /* set on enable learning */ -#define ENE_CIR_CONF2_GPIO40DIS (1 << 5) /* disable normal input via gpio40 */ - -#define ENE_CIR_SAMPLE_PERIOD 0xFEC8 /* sample period in us */ -#define ENE_CIR_SAMPLE_OVERFLOW (1 << 7) /* interrupt on overflows if set */ - - -/* transmitter - not implemented yet */ -/* KB3926C and higher */ -/* transmission is very similiar to recieving, a byte is written to */ -/* ENE_TX_INPUT, in same manner as it is read from sample buffer */ -/* sample period is fixed*/ - - -/* transmitter ports */ -#define ENE_TX_PORT1 0xFC01 /* this enables one or both */ -#define ENE_TX_PORT1_EN (1 << 5) /* TX ports */ -#define ENE_TX_PORT2 0xFC08 -#define ENE_TX_PORT2_EN (1 << 1) - -#define ENE_TX_INPUT 0xFEC9 /* next byte to transmit */ -#define ENE_TX_SPC_MASK (1 << 7) /* Transmitted sample is space */ -#define ENE_TX_UNK1 0xFECB /* set to 0x63 */ -#define ENE_TX_SMPL_PERIOD 50 /* transmit sample period */ - - -#define ENE_TX_CARRIER 0xFECE /* TX carrier * 2 (khz) */ -#define ENE_TX_CARRIER_UNKBIT 0x80 /* This bit set on transmit */ -#define ENE_TX_CARRIER_LOW 0xFECF /* TX carrier / 2 */ - -/* Hardware versions */ -#define ENE_HW_VERSION 0xFF00 /* hardware revision */ -#define ENE_HW_UNK 0xFF1D -#define ENE_HW_UNK_CLR (1 << 2) -#define ENE_HW_VER_MAJOR 0xFF1E /* chip version */ -#define ENE_HW_VER_MINOR 0xFF1F -#define ENE_HW_VER_OLD 0xFD00 - -#define same_sign(a, b) ((((a) > 0) && (b) > 0) || ((a) < 0 && (b) < 0)) - -#define ENE_DRIVER_NAME "enecir" -#define ENE_MAXGAP 250000 /* this is amount of time we wait - before turning the sampler, chosen - arbitry */ - -#define space(len) (-(len)) /* add a space */ - -/* software defines */ -#define ENE_IRQ_RX 1 -#define ENE_IRQ_TX 2 - -#define ENE_HW_B 1 /* 3926B */ -#define ENE_HW_C 2 /* 3926C */ -#define ENE_HW_D 3 /* 3926D */ - -#define ene_printk(level, text, ...) \ - printk(level ENE_DRIVER_NAME ": " text, ## __VA_ARGS__) - -struct ene_device { - struct pnp_dev *pnp_dev; - struct lirc_driver *lirc_driver; - - /* hw settings */ - unsigned long hw_io; - int irq; - - int hw_revision; /* hardware revision */ - int hw_learning_and_tx_capable; /* learning capable */ - int hw_gpio40_learning; /* gpio40 is learning */ - int hw_fan_as_normal_input; /* fan input is used as regular input */ - - /* device data */ - int idle; - int fan_input_inuse; - - int sample; - int in_use; - - struct timeval gap_start; -}; -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
