1 files changed, 13 insertions, 3 deletions

diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h
index 552f04511ea..e6e56f175f3 100644
--- a/drivers/media/video/ivtv/ivtv-driver.h
+++ b/drivers/media/video/ivtv/ivtv-driver.h
@@ -237,6 +237,7 @@ extern const u32 yuv_offset[4];
 #define IVTV_IRQ_ENC_VBI_CAP            (0x1 << 29)
 #define IVTV_IRQ_ENC_VIM_RST            (0x1 << 28)
 #define IVTV_IRQ_ENC_DMA_COMPLETE       (0x1 << 27)
+#define IVTV_IRQ_ENC_PIO_COMPLETE       (0x1 << 25)
 #define IVTV_IRQ_DEC_AUD_MODE_CHG       (0x1 << 24)
 #define IVTV_IRQ_DEC_DATA_REQ           (0x1 << 22)
 #define IVTV_IRQ_DEC_DMA_COMPLETE       (0x1 << 20)
@@ -247,7 +248,8 @@ extern const u32 yuv_offset[4];
 #define IVTV_IRQ_DEC_VSYNC              (0x1 << 10)
 
 /* IRQ Masks */
-#define IVTV_IRQ_MASK_INIT (IVTV_IRQ_DMA_ERR|IVTV_IRQ_ENC_DMA_COMPLETE|IVTV_IRQ_DMA_READ)
+#define IVTV_IRQ_MASK_INIT (IVTV_IRQ_DMA_ERR|IVTV_IRQ_ENC_DMA_COMPLETE|\
+                IVTV_IRQ_DMA_READ|IVTV_IRQ_ENC_PIO_COMPLETE)
 
 #define IVTV_IRQ_MASK_CAPTURE (IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_EOS)
 #define IVTV_IRQ_MASK_DECODE  (IVTV_IRQ_DEC_DATA_REQ|IVTV_IRQ_DEC_AUD_MODE_CHG)
@@ -374,6 +376,9 @@ struct ivtv_mailbox_data {
 #define IVTV_F_S_STREAMOFF      7       /* signal end of stream EOS */
 #define IVTV_F_S_APPL_IO        8       /* this stream is used read/written by an application */
 
+#define IVTV_F_S_PIO_PENDING    9       /* this stream has pending PIO */
+#define IVTV_F_S_PIO_HAS_VBI    1       /* the current PIO request also requests VBI data */
+
 /* per-ivtv, i_flags */
 #define IVTV_F_I_DMA               0    /* DMA in progress */
 #define IVTV_F_I_UDMA              1    /* UDMA in progress */
@@ -390,8 +395,11 @@ struct ivtv_mailbox_data {
 #define IVTV_F_I_DECODING_YUV      12   /* this stream is YUV frame decoding */
 #define IVTV_F_I_ENC_PAUSED        13   /* the encoder is paused */
 #define IVTV_F_I_VALID_DEC_TIMINGS 14   /* last_dec_timing is valid */
-#define IVTV_F_I_WORK_HANDLER_VBI  15   /* there is work to be done for VBI */
-#define IVTV_F_I_WORK_HANDLER_YUV  16   /* there is work to be done for YUV */
+#define IVTV_F_I_HAVE_WORK         15   /* Used in the interrupt handler: there is work to be done */
+#define IVTV_F_I_WORK_HANDLER_VBI  16   /* there is work to be done for VBI */
+#define IVTV_F_I_WORK_HANDLER_YUV  17   /* there is work to be done for YUV */
+#define IVTV_F_I_WORK_HANDLER_PIO  18   /* there is work to be done for PIO */
+#define IVTV_F_I_PIO               19   /* PIO in progress */
 
 /* Event notifications */
 #define IVTV_F_I_EV_DEC_STOPPED    28   /* decoder stopped event */
@@ -484,6 +492,7 @@ struct ivtv_stream {
 
         /* Base Dev SG Array for cx23415/6 */
         struct ivtv_SG_element *SGarray;
+        struct ivtv_SG_element *PIOarray;
         dma_addr_t SG_handle;
         int SG_length;
 
@@ -706,6 +715,7 @@ struct ivtv {
         atomic_t decoding;      /* count number of active decoding streams */
         u32 irq_rr_idx; /* Round-robin stream index */
         int cur_dma_stream;     /* index of stream doing DMA */
+        int cur_pio_stream;     /* index of stream doing PIO */
         u32 dma_data_req_offset;
         u32 dma_data_req_size;
         int output_mode;        /* NONE, MPG, YUV, UDMA YUV, passthrough */