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;
         }