diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-input.c')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-input.c | 72 |
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 d0b1613ede2..bb61870b8d6 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, ¶ms); @@ -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; } |