summaryrefslogtreecommitdiff
path: root/drivers/media/video/cx23885/cx23885-input.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 15:09:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 15:09:54 -0700
commit7ae0dea900b027cd90e8a3e14deca9a19e17638b (patch)
tree428cbe411bba90f6580ae21338276c949e91f23a /drivers/media/video/cx23885/cx23885-input.c
parent6c74700fdb8e3bc34c31790384a8ec16c4fefd97 (diff)
parent560afa7d85bdfb294506afd3032c315e6827824f (diff)
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (94 commits) V4L/DVB: tvp7002: fix write to H-PLL Feedback Divider LSB register V4L/DVB: dvb: siano: free spinlock before schedule() V4L/DVB: media: video: pvrusb2: remove custom hex_to_bin() V4L/DVB: drivers: usbvideo: remove custom implementation of hex_to_bin() V4L/DVB: Report supported QAM modes on bt8xx V4L/DVB: media: ir-keytable: null dereference in debug code V4L/DVB: ivtv: convert to the new control framework V4L/DVB: ivtv: convert gpio subdev to new control framework V4L/DVB: wm8739: convert to the new control framework V4L/DVB: cs53l32a: convert to new control framework V4L/DVB: wm8775: convert to the new control framework V4L/DVB: cx2341x: convert to the control framework V4L/DVB: cx25840: convert to the new control framework V4L/DVB: cx25840/ivtv: replace ugly priv control with s_config V4L/DVB: saa717x: convert to the new control framework V4L/DVB: msp3400: convert to the new control framework V4L/DVB: saa7115: convert to the new control framework V4L/DVB: v4l2: hook up the new control framework into the core framework V4L/DVB: Documentation: add v4l2-controls.txt documenting the new controls API V4L/DVB: v4l2-ctrls: Whitespace cleanups ...
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-input.c')
-rw-r--r--drivers/media/video/cx23885/cx23885-input.c72
1 files changed, 50 insertions, 22 deletions
diff --git a/drivers/media/video/cx23885/cx23885-input.c b/drivers/media/video/cx23885/cx23885-input.c
index d0b1613ede2f..bb61870b8d6e 100644
--- a/drivers/media/video/cx23885/cx23885-input.c
+++ b/drivers/media/video/cx23885/cx23885-input.c
@@ -44,40 +44,26 @@
#define MODULE_NAME "cx23885"
-static void convert_measurement(u32 x, struct ir_raw_event *y)
-{
- if (x == V4L2_SUBDEV_IR_PULSE_RX_SEQ_END) {
- y->pulse = false;
- y->duration = V4L2_SUBDEV_IR_PULSE_MAX_WIDTH_NS;
- return;
- }
-
- y->pulse = (x & V4L2_SUBDEV_IR_PULSE_LEVEL_MASK) ? true : false;
- y->duration = x & V4L2_SUBDEV_IR_PULSE_MAX_WIDTH_NS;
-}
-
static void cx23885_input_process_measurements(struct cx23885_dev *dev,
bool overrun)
{
struct cx23885_kernel_ir *kernel_ir = dev->kernel_ir;
- struct ir_raw_event kernel_ir_event;
- u32 sd_ir_data[64];
ssize_t num;
int count, i;
bool handle = false;
+ struct ir_raw_event ir_core_event[64];
do {
num = 0;
- v4l2_subdev_call(dev->sd_ir, ir, rx_read, (u8 *) sd_ir_data,
- sizeof(sd_ir_data), &num);
+ v4l2_subdev_call(dev->sd_ir, ir, rx_read, (u8 *) ir_core_event,
+ sizeof(ir_core_event), &num);
- count = num / sizeof(u32);
+ count = num / sizeof(struct ir_raw_event);
for (i = 0; i < count; i++) {
- convert_measurement(sd_ir_data[i], &kernel_ir_event);
ir_raw_event_store(kernel_ir->inp_dev,
- &kernel_ir_event);
+ &ir_core_event[i]);
handle = true;
}
} while (num != 0);
@@ -99,8 +85,10 @@ void cx23885_input_rx_work_handler(struct cx23885_dev *dev, u32 events)
switch (dev->board) {
case CX23885_BOARD_HAUPPAUGE_HVR1850:
case CX23885_BOARD_HAUPPAUGE_HVR1290:
+ case CX23885_BOARD_TEVII_S470:
+ case CX23885_BOARD_HAUPPAUGE_HVR1250:
/*
- * The only board we handle right now. However other boards
+ * The only boards we handle right now. However other boards
* using the CX2388x integrated IR controller should be similar
*/
break;
@@ -148,6 +136,7 @@ static int cx23885_input_ir_start(struct cx23885_dev *dev)
switch (dev->board) {
case CX23885_BOARD_HAUPPAUGE_HVR1850:
case CX23885_BOARD_HAUPPAUGE_HVR1290:
+ case CX23885_BOARD_HAUPPAUGE_HVR1250:
/*
* The IR controller on this board only returns pulse widths.
* Any other mode setting will fail to set up the device.
@@ -170,7 +159,38 @@ static int cx23885_input_ir_start(struct cx23885_dev *dev)
* mark is received as low logic level;
* falling edges are detected as rising edges; etc.
*/
- params.invert = true;
+ params.invert_level = true;
+ break;
+ case CX23885_BOARD_TEVII_S470:
+ /*
+ * The IR controller on this board only returns pulse widths.
+ * Any other mode setting will fail to set up the device.
+ */
+ params.mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH;
+ params.enable = true;
+ params.interrupt_enable = true;
+ params.shutdown = false;
+
+ /* Setup for a standard NEC protocol */
+ params.carrier_freq = 37917; /* Hz, 455 kHz/12 for NEC */
+ params.carrier_range_lower = 33000; /* Hz */
+ params.carrier_range_upper = 43000; /* Hz */
+ params.duty_cycle = 33; /* percent, 33 percent for NEC */
+
+ /*
+ * NEC max pulse width: (64/3)/(455 kHz/12) * 16 nec_units
+ * (64/3)/(455 kHz/12) * 16 nec_units * 1.375 = 12378022 ns
+ */
+ params.max_pulse_width = 12378022; /* ns */
+
+ /*
+ * NEC noise filter min width: (64/3)/(455 kHz/12) * 1 nec_unit
+ * (64/3)/(455 kHz/12) * 1 nec_units * 0.625 = 351648 ns
+ */
+ params.noise_filter_min_width = 351648; /* ns */
+
+ params.modulation = false;
+ params.invert_level = true;
break;
}
v4l2_subdev_call(dev->sd_ir, ir, rx_s_parameters, &params);
@@ -244,12 +264,20 @@ int cx23885_input_init(struct cx23885_dev *dev)
switch (dev->board) {
case CX23885_BOARD_HAUPPAUGE_HVR1850:
case CX23885_BOARD_HAUPPAUGE_HVR1290:
- /* Integrated CX23888 IR controller */
+ case CX23885_BOARD_HAUPPAUGE_HVR1250:
+ /* Integrated CX2388[58] IR controller */
driver_type = RC_DRIVER_IR_RAW;
allowed_protos = IR_TYPE_ALL;
/* The grey Hauppauge RC-5 remote */
rc_map = RC_MAP_RC5_HAUPPAUGE_NEW;
break;
+ case CX23885_BOARD_TEVII_S470:
+ /* Integrated CX23885 IR controller */
+ driver_type = RC_DRIVER_IR_RAW;
+ allowed_protos = IR_TYPE_ALL;
+ /* A guess at the remote */
+ rc_map = RC_MAP_TEVII_NEC;
+ break;
default:
return -ENODEV;
}