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path: root/drivers/media/rc/ite-cir.c
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Diffstat (limited to 'drivers/media/rc/ite-cir.c')
-rw-r--r--drivers/media/rc/ite-cir.c72
1 files changed, 34 insertions, 38 deletions
diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
index 43908a70bd8..ecd3d028076 100644
--- a/drivers/media/rc/ite-cir.c
+++ b/drivers/media/rc/ite-cir.c
@@ -1250,11 +1250,9 @@ static void it8709_disable(struct ite_dev *dev)
ite_dbg("%s called", __func__);
/* clear out all interrupt enable flags */
- it8709_wr(dev,
- it8709_rr(dev,
- IT85_C0IER) & ~(IT85_IEC | IT85_RFOIE |
- IT85_RDAIE |
- IT85_TLDLIE), IT85_C0IER);
+ it8709_wr(dev, it8709_rr(dev, IT85_C0IER) &
+ ~(IT85_IEC | IT85_RFOIE | IT85_RDAIE | IT85_TLDLIE),
+ IT85_C0IER);
/* disable the receiver */
it8709_disable_rx(dev);
@@ -1270,11 +1268,9 @@ static void it8709_init_hardware(struct ite_dev *dev)
ite_dbg("%s called", __func__);
/* disable all the interrupts */
- it8709_wr(dev,
- it8709_rr(dev,
- IT85_C0IER) & ~(IT85_IEC | IT85_RFOIE |
- IT85_RDAIE |
- IT85_TLDLIE), IT85_C0IER);
+ it8709_wr(dev, it8709_rr(dev, IT85_C0IER) &
+ ~(IT85_IEC | IT85_RFOIE | IT85_RDAIE | IT85_TLDLIE),
+ IT85_C0IER);
/* program the baud rate divisor */
it8709_wr(dev, ITE_BAUDRATE_DIVISOR & 0xff, IT85_C0BDLR);
@@ -1282,28 +1278,22 @@ static void it8709_init_hardware(struct ite_dev *dev)
IT85_C0BDHR);
/* program the C0MSTCR register defaults */
- it8709_wr(dev, (it8709_rr(dev, IT85_C0MSTCR) & ~(IT85_ILSEL |
- IT85_ILE
- | IT85_FIFOTL
- |
- IT85_FIFOCLR
- |
- IT85_RESET))
- | IT85_FIFOTL_DEFAULT, IT85_C0MSTCR);
+ it8709_wr(dev, (it8709_rr(dev, IT85_C0MSTCR) &
+ ~(IT85_ILSEL | IT85_ILE | IT85_FIFOTL
+ | IT85_FIFOCLR | IT85_RESET)) | IT85_FIFOTL_DEFAULT,
+ IT85_C0MSTCR);
/* program the C0RCR register defaults */
- it8709_wr(dev,
- (it8709_rr(dev, IT85_C0RCR) &
- ~(IT85_RXEN | IT85_RDWOS | IT85_RXEND
- | IT85_RXACT | IT85_RXDCR)) |
- ITE_RXDCR_DEFAULT, IT85_C0RCR);
+ it8709_wr(dev, (it8709_rr(dev, IT85_C0RCR) &
+ ~(IT85_RXEN | IT85_RDWOS | IT85_RXEND | IT85_RXACT
+ | IT85_RXDCR)) | ITE_RXDCR_DEFAULT,
+ IT85_C0RCR);
/* program the C0TCR register defaults */
- it8709_wr(dev, (it8709_rr(dev, IT85_C0TCR)
- &~(IT85_TXMPM | IT85_TXMPW))
- |IT85_TXRLE | IT85_TXENDF |
- IT85_TXMPM_DEFAULT |
- IT85_TXMPW_DEFAULT, IT85_C0TCR);
+ it8709_wr(dev, (it8709_rr(dev, IT85_C0TCR) & ~(IT85_TXMPM | IT85_TXMPW))
+ | IT85_TXRLE | IT85_TXENDF | IT85_TXMPM_DEFAULT
+ | IT85_TXMPW_DEFAULT,
+ IT85_C0TCR);
/* program the carrier parameters */
ite_set_carrier_params(dev);
@@ -1357,6 +1347,7 @@ static const struct ite_dev_params ite_dev_descs[] = {
{ /* 0: ITE8704 */
.model = "ITE8704 CIR transceiver",
.io_region_size = IT87_IOREG_LENGTH,
+ .io_rsrc_no = 0,
.hw_tx_capable = true,
.sample_period = (u32) (1000000000ULL / 115200),
.tx_carrier_freq = 38000,
@@ -1381,6 +1372,7 @@ static const struct ite_dev_params ite_dev_descs[] = {
{ /* 1: ITE8713 */
.model = "ITE8713 CIR transceiver",
.io_region_size = IT87_IOREG_LENGTH,
+ .io_rsrc_no = 0,
.hw_tx_capable = true,
.sample_period = (u32) (1000000000ULL / 115200),
.tx_carrier_freq = 38000,
@@ -1405,6 +1397,7 @@ static const struct ite_dev_params ite_dev_descs[] = {
{ /* 2: ITE8708 */
.model = "ITE8708 CIR transceiver",
.io_region_size = IT8708_IOREG_LENGTH,
+ .io_rsrc_no = 0,
.hw_tx_capable = true,
.sample_period = (u32) (1000000000ULL / 115200),
.tx_carrier_freq = 38000,
@@ -1430,6 +1423,7 @@ static const struct ite_dev_params ite_dev_descs[] = {
{ /* 3: ITE8709 */
.model = "ITE8709 CIR transceiver",
.io_region_size = IT8709_IOREG_LENGTH,
+ .io_rsrc_no = 2,
.hw_tx_capable = true,
.sample_period = (u32) (1000000000ULL / 115200),
.tx_carrier_freq = 38000,
@@ -1471,6 +1465,7 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
struct rc_dev *rdev = NULL;
int ret = -ENOMEM;
int model_no;
+ int io_rsrc_no;
ite_dbg("%s called", __func__);
@@ -1500,10 +1495,11 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
/* 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, 0) ||
- pnp_port_len(pdev, 0) != dev_desc->io_region_size) {
+ 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;
}
@@ -1514,7 +1510,7 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
}
/* store resource values */
- itdev->cir_addr = pnp_port_start(pdev, 0);
+ itdev->cir_addr = pnp_port_start(pdev, io_rsrc_no);
itdev->cir_irq = pnp_irq(pdev, 0);
/* initialize spinlocks */
@@ -1660,6 +1656,9 @@ static int ite_suspend(struct pnp_dev *pdev, pm_message_t state)
ite_dbg("%s called", __func__);
+ /* wait for any transmission to end */
+ wait_event_interruptible(dev->tx_ended, !dev->transmitting);
+
spin_lock_irqsave(&dev->lock, flags);
/* disable all interrupts */
@@ -1680,13 +1679,10 @@ static int ite_resume(struct pnp_dev *pdev)
spin_lock_irqsave(&dev->lock, flags);
- if (dev->transmitting) {
- /* wake up the transmitter */
- wake_up_interruptible(&dev->tx_queue);
- } else {
- /* enable the receiver */
- dev->params.enable_rx(dev);
- }
+ /* reinitialize hardware config registers */
+ dev->params.init_hardware(dev);
+ /* enable the receiver */
+ dev->params.enable_rx(dev);
spin_unlock_irqrestore(&dev->lock, flags);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-16 19:48:37 +0000