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authorSean Young <sean@mess.org>2018-01-06 12:24:50 +0000
committerSean Young <sean@mess.org>2018-01-06 13:24:06 +0000
commit24334ed68ad530e569fad1d10b95f50391182b94 (patch)
tree975ddff421afb827657063cf1d0b63f691b8660f
parent4a9f7630c4a4a01cce6b5b8f22c5f5fd6b3d0eed (diff)
Revert "[media] staging: lirc_imon: port remaining usb ids to imon and remove"
This code was ported without the necessary hardware to test. There are multiple problems which are more easily solved by writing a separate driver. This reverts commit f41003a23a02dc7299539300f74360c2a932714a.
-rw-r--r--drivers/media/rc/imon.c135
1 files changed, 7 insertions, 128 deletions
diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c
index 950d068ba806..527920a59d99 100644
--- a/drivers/media/rc/imon.c
+++ b/drivers/media/rc/imon.c
@@ -92,7 +92,6 @@ struct imon_usb_dev_descr {
__u16 flags;
#define IMON_NO_FLAGS 0
#define IMON_NEED_20MS_PKT_DELAY 1
-#define IMON_IR_RAW 2
struct imon_panel_key_table key_table[];
};
@@ -123,12 +122,6 @@ struct imon_context {
unsigned char usb_tx_buf[8];
unsigned int send_packet_delay;
- struct rx_data {
- int count; /* length of 0 or 1 sequence */
- int prev_bit; /* logic level of sequence */
- int initial_space; /* initial space flag */
- } rx;
-
struct tx_t {
unsigned char data_buf[35]; /* user data buffer */
struct completion finished; /* wait for write to finish */
@@ -331,10 +324,6 @@ static const struct imon_usb_dev_descr imon_DH102 = {
}
};
-static const struct imon_usb_dev_descr imon_ir_raw = {
- .flags = IMON_IR_RAW,
-};
-
/*
* USB Device ID for iMON USB Control Boards
*
@@ -418,18 +407,6 @@ static const struct usb_device_id imon_usb_id_table[] = {
/* device specifics unknown */
{ USB_DEVICE(0x15c2, 0x0046),
.driver_info = (unsigned long)&imon_default_table},
- /* TriGem iMON (IR only) -- TG_iMON.inf */
- { USB_DEVICE(0x0aa8, 0x8001),
- .driver_info = (unsigned long)&imon_ir_raw},
- /* SoundGraph iMON (IR only) -- sg_imon.inf */
- { USB_DEVICE(0x04e8, 0xff30),
- .driver_info = (unsigned long)&imon_ir_raw},
- /* SoundGraph iMON VFD (IR & VFD) -- iMON_VFD.inf */
- { USB_DEVICE(0x0aa8, 0xffda),
- .driver_info = (unsigned long)&imon_ir_raw},
- /* SoundGraph iMON SS (IR & VFD) -- iMON_SS.inf */
- { USB_DEVICE(0x15c2, 0xffda),
- .driver_info = (unsigned long)&imon_ir_raw},
{}
};
@@ -1572,94 +1549,11 @@ static int imon_parse_press_type(struct imon_context *ictx,
/*
* Process the incoming packet
*/
-/*
- * Convert bit count to time duration (in us) and submit
- * the value to lirc_dev.
- */
-static void submit_data(struct imon_context *context)
-{
- DEFINE_IR_RAW_EVENT(ev);
-
- ev.pulse = context->rx.prev_bit;
- ev.duration = US_TO_NS(context->rx.count * BIT_DURATION);
- ir_raw_event_store_with_filter(context->rdev, &ev);
-}
-
-/*
- * Process the incoming packet
- */
-static void imon_incoming_ir_raw(struct imon_context *context,
+static void imon_incoming_packet(struct imon_context *ictx,
struct urb *urb, int intf)
{
int len = urb->actual_length;
unsigned char *buf = urb->transfer_buffer;
- struct device *dev = context->dev;
- int octet, bit;
- unsigned char mask;
-
- if (len != 8) {
- dev_warn(dev, "imon %s: invalid incoming packet size (len = %d, intf%d)\n",
- __func__, len, intf);
- return;
- }
-
- if (debug)
- dev_info(dev, "raw packet: %*ph\n", len, buf);
- /*
- * Translate received data to pulse and space lengths.
- * Received data is active low, i.e. pulses are 0 and
- * spaces are 1.
- *
- * My original algorithm was essentially similar to
- * Changwoo Ryu's with the exception that he switched
- * the incoming bits to active high and also fed an
- * initial space to LIRC at the start of a new sequence
- * if the previous bit was a pulse.
- *
- * I've decided to adopt his algorithm.
- */
-
- if (buf[7] == 1 && context->rx.initial_space) {
- /* LIRC requires a leading space */
- context->rx.prev_bit = 0;
- context->rx.count = 4;
- submit_data(context);
- context->rx.count = 0;
- }
-
- for (octet = 0; octet < 5; ++octet) {
- mask = 0x80;
- for (bit = 0; bit < 8; ++bit) {
- int curr_bit = !(buf[octet] & mask);
-
- if (curr_bit != context->rx.prev_bit) {
- if (context->rx.count) {
- submit_data(context);
- context->rx.count = 0;
- }
- context->rx.prev_bit = curr_bit;
- }
- ++context->rx.count;
- mask >>= 1;
- }
- }
-
- if (buf[7] == 10) {
- if (context->rx.count) {
- submit_data(context);
- context->rx.count = 0;
- }
- context->rx.initial_space = context->rx.prev_bit;
- }
-
- ir_raw_event_handle(context->rdev);
-}
-
-static void imon_incoming_scancode(struct imon_context *ictx,
- struct urb *urb, int intf)
-{
- int len = urb->actual_length;
- unsigned char *buf = urb->transfer_buffer;
struct device *dev = ictx->dev;
unsigned long flags;
u32 kc;
@@ -1839,10 +1733,7 @@ static void usb_rx_callback_intf0(struct urb *urb)
break;
case 0:
- if (ictx->rdev->driver_type == RC_DRIVER_IR_RAW)
- imon_incoming_ir_raw(ictx, urb, intfnum);
- else
- imon_incoming_scancode(ictx, urb, intfnum);
+ imon_incoming_packet(ictx, urb, intfnum);
break;
default:
@@ -1883,10 +1774,7 @@ static void usb_rx_callback_intf1(struct urb *urb)
break;
case 0:
- if (ictx->rdev->driver_type == RC_DRIVER_IR_RAW)
- imon_incoming_ir_raw(ictx, urb, intfnum);
- else
- imon_incoming_scancode(ictx, urb, intfnum);
+ imon_incoming_packet(ictx, urb, intfnum);
break;
default:
@@ -2000,14 +1888,11 @@ static void imon_set_display_type(struct imon_context *ictx)
case 0x0041:
case 0x0042:
case 0x0043:
- case 0x8001:
- case 0xff30:
configured_display_type = IMON_DISPLAY_TYPE_NONE;
ictx->display_supported = false;
break;
case 0x0036:
case 0x0044:
- case 0xffda:
default:
configured_display_type = IMON_DISPLAY_TYPE_VFD;
break;
@@ -2032,8 +1917,7 @@ static struct rc_dev *imon_init_rdev(struct imon_context *ictx)
static const unsigned char fp_packet[] = {
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88 };
- rdev = rc_allocate_device(ictx->dev_descr->flags & IMON_IR_RAW ?
- RC_DRIVER_IR_RAW : RC_DRIVER_SCANCODE);
+ rdev = rc_allocate_device(RC_DRIVER_SCANCODE);
if (!rdev) {
dev_err(ictx->dev, "remote control dev allocation failed\n");
goto out;
@@ -2051,12 +1935,8 @@ static struct rc_dev *imon_init_rdev(struct imon_context *ictx)
rdev->dev.parent = ictx->dev;
rdev->priv = ictx;
- if (ictx->dev_descr->flags & IMON_IR_RAW)
- rdev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
- else
- /* iMON PAD or MCE */
- rdev->allowed_protocols = RC_PROTO_BIT_OTHER |
- RC_PROTO_BIT_RC6_MCE;
+ /* iMON PAD or MCE */
+ rdev->allowed_protocols = RC_PROTO_BIT_OTHER | RC_PROTO_BIT_RC6_MCE;
rdev->change_protocol = imon_ir_change_protocol;
rdev->driver_name = MOD_NAME;
@@ -2074,8 +1954,7 @@ static struct rc_dev *imon_init_rdev(struct imon_context *ictx)
imon_set_display_type(ictx);
- if (ictx->rc_proto == RC_PROTO_BIT_RC6_MCE ||
- ictx->dev_descr->flags & IMON_IR_RAW)
+ if (ictx->rc_proto == RC_PROTO_BIT_RC6_MCE)
rdev->map_name = RC_MAP_IMON_MCE;
else
rdev->map_name = RC_MAP_IMON_PAD;

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