/* process ir data stored in driver buffer */
static void fintek_process_rx_ir_data(struct fintek_dev *fintek)
{
DEFINE_IR_RAW_EVENT(rawir);
u8 sample;
bool event = false;
int i;
for (i = 0; i < fintek->pkts; i++) {
sample = fintek->buf[i];
switch (fintek->parser_state) {
case CMD_HEADER:
fintek->cmd = sample;
if ((fintek->cmd == BUF_COMMAND_HEADER) ||
((fintek->cmd & BUF_COMMAND_MASK) !=
BUF_PULSE_BIT)) {
fintek->parser_state = SUBCMD;
continue;
}
fintek->rem = (fintek->cmd & BUF_LEN_MASK);
fit_dbg("%s: rem: 0x%02x", __func__, fintek->rem);
if (fintek->rem)
fintek->parser_state = PARSE_IRDATA;
else
ir_raw_event_reset(fintek->rdev);
break;
case SUBCMD:
fintek->rem = fintek_cmdsize(fintek->cmd, sample);
fintek->parser_state = CMD_DATA;
break;
case CMD_DATA:
fintek->rem--;
break;
case PARSE_IRDATA:
fintek->rem--;
init_ir_raw_event(&rawir);
rawir.pulse = ((sample & BUF_PULSE_BIT) != 0);
rawir.duration = US_TO_NS((sample & BUF_SAMPLE_MASK)
* CIR_SAMPLE_PERIOD);
fit_dbg("Storing %s with duration %d",
rawir.pulse ? "pulse" : "space",
rawir.duration);
if (ir_raw_event_store_with_filter(fintek->rdev,
&rawir))
event = true;
break;
}
if ((fintek->parser_state != CMD_HEADER) && !fintek->rem)
fintek->parser_state = CMD_HEADER;
}
fintek->pkts = 0;
if (event) {
fit_dbg("Calling ir_raw_event_handle");
ir_raw_event_handle(fintek->rdev);
}
}
/* Receiver */
static int cx25840_ir_rx_read(struct v4l2_subdev *sd, u8 *buf, size_t count,
ssize_t *num)
{
struct cx25840_ir_state *ir_state = to_ir_state(sd);
bool invert;
u16 divider;
unsigned int i, n;
union cx25840_ir_fifo_rec *p;
unsigned u, v, w;
if (ir_state == NULL)
return -ENODEV;
invert = (bool) atomic_read(&ir_state->rx_invert);
divider = (u16) atomic_read(&ir_state->rxclk_divider);
n = count / sizeof(union cx25840_ir_fifo_rec)
* sizeof(union cx25840_ir_fifo_rec);
if (n == 0) {
*num = 0;
return 0;
}
n = kfifo_out_locked(&ir_state->rx_kfifo, buf, n,
&ir_state->rx_kfifo_lock);
n /= sizeof(union cx25840_ir_fifo_rec);
*num = n * sizeof(union cx25840_ir_fifo_rec);
for (p = (union cx25840_ir_fifo_rec *) buf, i = 0; i < n; p++, i++) {
if ((p->hw_fifo_data & FIFO_RXTX_RTO) == FIFO_RXTX_RTO) {
/* Assume RTO was because of no IR light input */
u = 0;
w = 1;
} else {
u = (p->hw_fifo_data & FIFO_RXTX_LVL) ? 1 : 0;
if (invert)
u = u ? 0 : 1;
w = 0;
}
v = (unsigned) pulse_width_count_to_ns(
(u16) (p->hw_fifo_data & FIFO_RXTX), divider);
if (v > IR_MAX_DURATION)
v = IR_MAX_DURATION;
init_ir_raw_event(&p->ir_core_data);
p->ir_core_data.pulse = u;
p->ir_core_data.duration = v;
p->ir_core_data.timeout = w;
v4l2_dbg(2, ir_debug, sd, "rx read: %10u ns %s %s\n",
v, u ? "mark" : "space", w ? "(timed out)" : "");
if (w)
v4l2_dbg(2, ir_debug, sd, "rx read: end of rx\n");
}
return 0;
}
/**
* ir_raw_event_set_idle() - provide hint to rc-core when the device is idle or not
* @dev: the struct rc_dev device descriptor
* @idle: whether the device is idle or not
*/
void ir_raw_event_set_idle(struct rc_dev *dev, bool idle)
{
if (!dev->raw)
return;
IR_dprintk(2, "%s idle mode\n", idle ? "enter" : "leave");
if (idle) {
dev->raw->this_ev.timeout = true;
ir_raw_event_store(dev, &dev->raw->this_ev);
init_ir_raw_event(&dev->raw->this_ev);
}
if (dev->s_idle)
dev->s_idle(dev, idle);
dev->idle = idle;
}
static void process_ir_data(struct iguanair *ir, unsigned len)
{
if (len >= 4 && ir->buf_in[0] == 0 && ir->buf_in[1] == 0) {
switch (ir->buf_in[3]) {
case CMD_TX_OVERFLOW:
ir->tx_overflow = true;
case CMD_RECEIVER_OFF:
case CMD_RECEIVER_ON:
case CMD_SEND:
complete(&ir->completion);
break;
case CMD_RX_OVERFLOW:
dev_warn(ir->dev, "receive overflow\n");
break;
default:
dev_warn(ir->dev, "control code %02x received\n",
ir->buf_in[3]);
break;
}
} else if (len >= 7) {
DEFINE_IR_RAW_EVENT(rawir);
unsigned i;
init_ir_raw_event(&rawir);
for (i = 0; i < 7; i++) {
if (ir->buf_in[i] == 0x80) {
rawir.pulse = false;
rawir.duration = US_TO_NS(21845);
} else {
rawir.pulse = (ir->buf_in[i] & 0x80) == 0;
rawir.duration = ((ir->buf_in[i] & 0x7f) + 1) *
21330;
}
ir_raw_event_store_with_filter(ir->rc, &rawir);
}
ir_raw_event_handle(ir->rc);
}
}
int picolcd_raw_cir(struct picolcd_data *data,
struct hid_report *report, u8 *raw_data, int size)
{
unsigned long flags;
int i, w, sz;
DEFINE_IR_RAW_EVENT(rawir);
/* ignore if rc_dev is NULL or status is shunned */
spin_lock_irqsave(&data->lock, flags);
if (!data->rc_dev || (data->status & PICOLCD_CIR_SHUN)) {
spin_unlock_irqrestore(&data->lock, flags);
return 1;
}
spin_unlock_irqrestore(&data->lock, flags);
/* PicoLCD USB packets contain 16-bit intervals in network order,
* with value negated for pulse. Intervals are in microseconds.
*
* Note: some userspace LIRC code for PicoLCD says negated values
* for space - is it a matter of IR chip? (pulse for my TSOP2236)
*
* In addition, the first interval seems to be around 15000 + base
* interval for non-first report of IR data - thus the quirk below
* to get RC_CODE to understand Sony and JVC remotes I have at hand
*/
sz = size > 0 ? min((int)raw_data[0], size-1) : 0;
for (i = 0; i+1 < sz; i += 2) {
init_ir_raw_event(&rawir);
w = (raw_data[i] << 8) | (raw_data[i+1]);
rawir.pulse = !!(w & 0x8000);
rawir.duration = US_TO_NS(rawir.pulse ? (65536 - w) : w);
/* Quirk!! - see above */
if (i == 0 && rawir.duration > 15000000)
rawir.duration -= 15000000;
ir_raw_event_store(data->rc_dev, &rawir);
}
ir_raw_event_handle(data->rc_dev);
return 1;
}
/**
* ir_raw_event_set_idle() - provide hint to rc-core when the device is idle or not
* @dev: the struct rc_dev device descriptor
* @idle: whether the device is idle or not
*/
void ir_raw_event_set_idle(struct rc_dev *dev, bool idle)
{
if (!dev->raw)
return;
#ifdef CONFIG_DEBUG_PRINTK
IR_dprintk(2, "%s idle mode\n", idle ? "enter" : "leave");
#else
IR_d;
#endif
if (idle) {
dev->raw->this_ev.timeout = true;
ir_raw_event_store(dev, &dev->raw->this_ev);
init_ir_raw_event(&dev->raw->this_ev);
}
if (dev->s_idle)
dev->s_idle(dev, idle);
dev->idle = idle;
}
/* allocate memory, probe hardware, and initialize everything */
static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
*dev_id)
{
const struct ite_dev_params *dev_desc = NULL;
struct ite_dev *itdev = NULL;
struct rc_dev *rdev = NULL;
int ret = -ENOMEM;
int model_no;
int io_rsrc_no;
ite_dbg("%s called", __func__);
itdev = kzalloc(sizeof(struct ite_dev), GFP_KERNEL);
if (!itdev)
return ret;
/* input device for IR remote (and tx) */
rdev = rc_allocate_device();
if (!rdev)
goto exit_free_dev_rdev;
itdev->rdev = rdev;
ret = -ENODEV;
/* get the model number */
model_no = (int)dev_id->driver_data;
ite_pr(KERN_NOTICE, "Auto-detected model: %s\n",
ite_dev_descs[model_no].model);
if (model_number >= 0 && model_number < ARRAY_SIZE(ite_dev_descs)) {
model_no = model_number;
ite_pr(KERN_NOTICE, "The model has been fixed by a module "
"parameter.");
}
ite_pr(KERN_NOTICE, "Using model: %s\n", ite_dev_descs[model_no].model);
/* get the description for the device */
dev_desc = &ite_dev_descs[model_no];
io_rsrc_no = dev_desc->io_rsrc_no;
/* validate pnp resources */
if (!pnp_port_valid(pdev, io_rsrc_no) ||
pnp_port_len(pdev, io_rsrc_no) != dev_desc->io_region_size) {
dev_err(&pdev->dev, "IR PNP Port not valid!\n");
goto exit_free_dev_rdev;
}
if (!pnp_irq_valid(pdev, 0)) {
dev_err(&pdev->dev, "PNP IRQ not valid!\n");
goto exit_free_dev_rdev;
}
/* store resource values */
itdev->cir_addr = pnp_port_start(pdev, io_rsrc_no);
itdev->cir_irq = pnp_irq(pdev, 0);
/* initialize spinlocks */
spin_lock_init(&itdev->lock);
/* initialize raw event */
init_ir_raw_event(&itdev->rawir);
/* set driver data into the pnp device */
pnp_set_drvdata(pdev, itdev);
itdev->pdev = pdev;
/* initialize waitqueues for transmission */
init_waitqueue_head(&itdev->tx_queue);
init_waitqueue_head(&itdev->tx_ended);
/* copy model-specific parameters */
itdev->params = *dev_desc;
/* apply any overrides */
if (sample_period > 0)
itdev->params.sample_period = sample_period;
if (tx_carrier_freq > 0)
itdev->params.tx_carrier_freq = tx_carrier_freq;
if (tx_duty_cycle > 0 && tx_duty_cycle <= 100)
itdev->params.tx_duty_cycle = tx_duty_cycle;
if (rx_low_carrier_freq > 0)
itdev->params.rx_low_carrier_freq = rx_low_carrier_freq;
if (rx_high_carrier_freq > 0)
itdev->params.rx_high_carrier_freq = rx_high_carrier_freq;
/* print out parameters */
ite_pr(KERN_NOTICE, "TX-capable: %d\n", (int)
itdev->params.hw_tx_capable);
ite_pr(KERN_NOTICE, "Sample period (ns): %ld\n", (long)
itdev->params.sample_period);
ite_pr(KERN_NOTICE, "TX carrier frequency (Hz): %d\n", (int)
itdev->params.tx_carrier_freq);
ite_pr(KERN_NOTICE, "TX duty cycle (%%): %d\n", (int)
itdev->params.tx_duty_cycle);
ite_pr(KERN_NOTICE, "RX low carrier frequency (Hz): %d\n", (int)
itdev->params.rx_low_carrier_freq);
ite_pr(KERN_NOTICE, "RX high carrier frequency (Hz): %d\n", (int)
itdev->params.rx_high_carrier_freq);
/* set up hardware initial state */
itdev->params.init_hardware(itdev);
/* set up ir-core props */
rdev->priv = itdev;
rdev->driver_type = RC_DRIVER_IR_RAW;
rdev->allowed_protos = RC_BIT_ALL;
rdev->open = ite_open;
rdev->close = ite_close;
rdev->s_idle = ite_s_idle;
rdev->s_rx_carrier_range = ite_set_rx_carrier_range;
rdev->min_timeout = ITE_MIN_IDLE_TIMEOUT;
rdev->max_timeout = ITE_MAX_IDLE_TIMEOUT;
rdev->timeout = ITE_IDLE_TIMEOUT;
rdev->rx_resolution = ITE_BAUDRATE_DIVISOR *
itdev->params.sample_period;
rdev->tx_resolution = ITE_BAUDRATE_DIVISOR *
itdev->params.sample_period;
/* set up transmitter related values if needed */
if (itdev->params.hw_tx_capable) {
rdev->tx_ir = ite_tx_ir;
rdev->s_tx_carrier = ite_set_tx_carrier;
rdev->s_tx_duty_cycle = ite_set_tx_duty_cycle;
}
rdev->input_name = dev_desc->model;
rdev->input_id.bustype = BUS_HOST;
rdev->input_id.vendor = PCI_VENDOR_ID_ITE;
rdev->input_id.product = 0;
rdev->input_id.version = 0;
rdev->driver_name = ITE_DRIVER_NAME;
rdev->map_name = RC_MAP_RC6_MCE;
ret = rc_register_device(rdev);
if (ret)
goto exit_free_dev_rdev;
ret = -EBUSY;
/* now claim resources */
if (!request_region(itdev->cir_addr,
dev_desc->io_region_size, ITE_DRIVER_NAME))
goto exit_unregister_device;
if (request_irq(itdev->cir_irq, ite_cir_isr, IRQF_SHARED,
ITE_DRIVER_NAME, (void *)itdev))
goto exit_release_cir_addr;
ite_pr(KERN_NOTICE, "driver has been successfully loaded\n");
return 0;
exit_release_cir_addr:
release_region(itdev->cir_addr, itdev->params.io_region_size);
exit_unregister_device:
rc_unregister_device(rdev);
exit_free_dev_rdev:
rc_free_device(rdev);
kfree(itdev);
return ret;
}
static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
*dev_id)
{
const struct ite_dev_params *dev_desc = NULL;
struct ite_dev *itdev = NULL;
struct rc_dev *rdev = NULL;
int ret = -ENOMEM;
int model_no;
int io_rsrc_no;
ite_dbg("%s called", __func__);
itdev = kzalloc(sizeof(struct ite_dev), GFP_KERNEL);
if (!itdev)
return ret;
rdev = rc_allocate_device();
if (!rdev)
goto failure;
ret = -ENODEV;
model_no = (int)dev_id->driver_data;
ite_pr(KERN_NOTICE, "Auto-detected model: %s\n",
ite_dev_descs[model_no].model);
if (model_number >= 0 && model_number < ARRAY_SIZE(ite_dev_descs)) {
model_no = model_number;
ite_pr(KERN_NOTICE, "The model has been fixed by a module "
"parameter.");
}
ite_pr(KERN_NOTICE, "Using model: %s\n", ite_dev_descs[model_no].model);
dev_desc = &ite_dev_descs[model_no];
io_rsrc_no = dev_desc->io_rsrc_no;
if (!pnp_port_valid(pdev, io_rsrc_no) ||
pnp_port_len(pdev, io_rsrc_no) != dev_desc->io_region_size) {
dev_err(&pdev->dev, "IR PNP Port not valid!\n");
goto failure;
}
if (!pnp_irq_valid(pdev, 0)) {
dev_err(&pdev->dev, "PNP IRQ not valid!\n");
goto failure;
}
itdev->cir_addr = pnp_port_start(pdev, io_rsrc_no);
itdev->cir_irq = pnp_irq(pdev, 0);
spin_lock_init(&itdev->lock);
init_ir_raw_event(&itdev->rawir);
pnp_set_drvdata(pdev, itdev);
itdev->pdev = pdev;
init_waitqueue_head(&itdev->tx_queue);
init_waitqueue_head(&itdev->tx_ended);
itdev->params = *dev_desc;
if (sample_period > 0)
itdev->params.sample_period = sample_period;
if (tx_carrier_freq > 0)
itdev->params.tx_carrier_freq = tx_carrier_freq;
if (tx_duty_cycle > 0 && tx_duty_cycle <= 100)
itdev->params.tx_duty_cycle = tx_duty_cycle;
if (rx_low_carrier_freq > 0)
itdev->params.rx_low_carrier_freq = rx_low_carrier_freq;
if (rx_high_carrier_freq > 0)
itdev->params.rx_high_carrier_freq = rx_high_carrier_freq;
ite_pr(KERN_NOTICE, "TX-capable: %d\n", (int)
itdev->params.hw_tx_capable);
ite_pr(KERN_NOTICE, "Sample period (ns): %ld\n", (long)
itdev->params.sample_period);
ite_pr(KERN_NOTICE, "TX carrier frequency (Hz): %d\n", (int)
itdev->params.tx_carrier_freq);
ite_pr(KERN_NOTICE, "TX duty cycle (%%): %d\n", (int)
itdev->params.tx_duty_cycle);
ite_pr(KERN_NOTICE, "RX low carrier frequency (Hz): %d\n", (int)
itdev->params.rx_low_carrier_freq);
ite_pr(KERN_NOTICE, "RX high carrier frequency (Hz): %d\n", (int)
itdev->params.rx_high_carrier_freq);
itdev->params.init_hardware(itdev);
rdev->priv = itdev;
rdev->driver_type = RC_DRIVER_IR_RAW;
rdev->allowed_protos = RC_TYPE_ALL;
rdev->open = ite_open;
rdev->close = ite_close;
rdev->s_idle = ite_s_idle;
rdev->s_rx_carrier_range = ite_set_rx_carrier_range;
rdev->min_timeout = ITE_MIN_IDLE_TIMEOUT;
rdev->max_timeout = ITE_MAX_IDLE_TIMEOUT;
rdev->timeout = ITE_IDLE_TIMEOUT;
rdev->rx_resolution = ITE_BAUDRATE_DIVISOR *
itdev->params.sample_period;
rdev->tx_resolution = ITE_BAUDRATE_DIVISOR *
itdev->params.sample_period;
if (itdev->params.hw_tx_capable) {
rdev->tx_ir = ite_tx_ir;
rdev->s_tx_carrier = ite_set_tx_carrier;
rdev->s_tx_duty_cycle = ite_set_tx_duty_cycle;
}
rdev->input_name = dev_desc->model;
rdev->input_id.bustype = BUS_HOST;
rdev->input_id.vendor = PCI_VENDOR_ID_ITE;
rdev->input_id.product = 0;
rdev->input_id.version = 0;
rdev->driver_name = ITE_DRIVER_NAME;
rdev->map_name = RC_MAP_RC6_MCE;
ret = -EBUSY;
if (!request_region(itdev->cir_addr,
dev_desc->io_region_size, ITE_DRIVER_NAME))
goto failure;
if (request_irq(itdev->cir_irq, ite_cir_isr, IRQF_SHARED,
ITE_DRIVER_NAME, (void *)itdev))
goto failure;
ret = rc_register_device(rdev);
if (ret)
goto failure;
itdev->rdev = rdev;
ite_pr(KERN_NOTICE, "driver has been successfully loaded\n");
return 0;
failure:
if (itdev->cir_irq)
free_irq(itdev->cir_irq, itdev);
if (itdev->cir_addr)
release_region(itdev->cir_addr, itdev->params.io_region_size);
rc_free_device(rdev);
kfree(itdev);
return ret;
}
static int rtl2832u_rc_query(struct dvb_usb_device *d)
{
int ret, i, len;
struct rtl28xxu_priv *priv = d->priv;
struct ir_raw_event ev;
u8 buf[128];
static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
{IR_RX_IF, 0x03, 0xff},
{IR_RX_BUF_CTRL, 0x80, 0xff},
{IR_RX_CTRL, 0x80, 0xff},
};
/* init remote controller */
if (!priv->rc_active) {
static const struct rtl28xxu_reg_val_mask init_tab[] = {
{SYS_DEMOD_CTL1, 0x00, 0x04},
{SYS_DEMOD_CTL1, 0x00, 0x08},
{USB_CTRL, 0x20, 0x20},
{SYS_GPIO_DIR, 0x00, 0x08},
{SYS_GPIO_OUT_EN, 0x08, 0x08},
{SYS_GPIO_OUT_VAL, 0x08, 0x08},
{IR_MAX_DURATION0, 0xd0, 0xff},
{IR_MAX_DURATION1, 0x07, 0xff},
{IR_IDLE_LEN0, 0xc0, 0xff},
{IR_IDLE_LEN1, 0x00, 0xff},
{IR_GLITCH_LEN, 0x03, 0xff},
{IR_RX_CLK, 0x09, 0xff},
{IR_RX_CFG, 0x1c, 0xff},
{IR_MAX_H_TOL_LEN, 0x1e, 0xff},
{IR_MAX_L_TOL_LEN, 0x1e, 0xff},
{IR_RX_CTRL, 0x80, 0xff},
};
for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
ret = rtl28xx_wr_reg_mask(d, init_tab[i].reg,
init_tab[i].val, init_tab[i].mask);
if (ret)
goto err;
}
priv->rc_active = true;
}
ret = rtl28xx_rd_reg(d, IR_RX_IF, &buf[0]);
if (ret)
goto err;
if (buf[0] != 0x83)
goto exit;
ret = rtl28xx_rd_reg(d, IR_RX_BC, &buf[0]);
if (ret)
goto err;
len = buf[0];
/* read raw code from hw */
ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len);
if (ret)
goto err;
/* let hw receive new code */
for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
ret = rtl28xx_wr_reg_mask(d, refresh_tab[i].reg,
refresh_tab[i].val, refresh_tab[i].mask);
if (ret)
goto err;
}
/* pass data to Kernel IR decoder */
init_ir_raw_event(&ev);
for (i = 0; i < len; i++) {
ev.pulse = buf[i] >> 7;
ev.duration = 50800 * (buf[i] & 0x7f);
ir_raw_event_store_with_filter(d->rc_dev, &ev);
}
/* 'flush' ir_raw_event_store_with_filter() */
ir_raw_event_set_idle(d->rc_dev, true);
ir_raw_event_handle(d->rc_dev);
exit:
return ret;
err:
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static void process_ir_data(struct iguanair *ir, unsigned len)
{
if (len >= 4 && ir->buf_in[0] == 0 && ir->buf_in[1] == 0) {
switch (ir->buf_in[3]) {
case CMD_GET_VERSION:
if (len == 6) {
ir->version = (ir->buf_in[5] << 8) |
ir->buf_in[4];
complete(&ir->completion);
}
break;
case CMD_GET_BUFSIZE:
if (len >= 5) {
ir->bufsize = ir->buf_in[4];
complete(&ir->completion);
}
break;
case CMD_GET_FEATURES:
if (len > 5) {
ir->cycle_overhead = ir->buf_in[5];
complete(&ir->completion);
}
break;
case CMD_TX_OVERFLOW:
ir->tx_overflow = true;
case CMD_RECEIVER_OFF:
case CMD_RECEIVER_ON:
case CMD_SEND:
complete(&ir->completion);
break;
case CMD_RX_OVERFLOW:
dev_warn(ir->dev, "receive overflow\n");
ir_raw_event_reset(ir->rc);
break;
default:
dev_warn(ir->dev, "control code %02x received\n",
ir->buf_in[3]);
break;
}
} else if (len >= 7) {
DEFINE_IR_RAW_EVENT(rawir);
unsigned i;
bool event = false;
init_ir_raw_event(&rawir);
for (i = 0; i < 7; i++) {
if (ir->buf_in[i] == 0x80) {
rawir.pulse = false;
rawir.duration = US_TO_NS(21845);
} else {
rawir.pulse = (ir->buf_in[i] & 0x80) == 0;
rawir.duration = ((ir->buf_in[i] & 0x7f) + 1) *
RX_RESOLUTION;
}
if (ir_raw_event_store_with_filter(ir->rc, &rawir))
event = true;
}
if (event)
ir_raw_event_handle(ir->rc);
}
}
