From 7f5fee57812c99c95edf6794a50413c75e99fd4d Mon Sep 17 00:00:00 2001 From: Patrick Boettcher Date: Thu, 7 Jul 2005 17:58:08 -0700 Subject: [PATCH] dvb: usb: add isochronous streaming method Added isochronous-streaming method. Changed memory (de)allocation behaviour accordingly. Signed-off-by: Patrick Boettcher Signed-off-by: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/dvb-usb/dvb-usb.h | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) (limited to 'drivers/media/dvb/dvb-usb/dvb-usb.h') diff --git a/drivers/media/dvb/dvb-usb/dvb-usb.h b/drivers/media/dvb/dvb-usb/dvb-usb.h index abcee1943f6..6c627e9ea64 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb.h @@ -189,6 +189,7 @@ struct dvb_usb_properties { struct { int framesperurb; int framesize; + int interval; } isoc; } u; } urb; @@ -207,19 +208,28 @@ struct dvb_usb_properties { * @udev: pointer to the device's struct usb_device. * @urb_list: array of dynamically allocated struct urb for the MPEG2-TS- * streaming. - * @buffer: buffer used to streaming. - * @dma_handle: dma_addr_t for buffer. + * + * @buf_num: number of buffer allocated. + * @buf_size: size of each buffer in buf_list. + * @buf_list: array containing all allocate buffers for streaming. + * @dma_addr: list of dma_addr_t for each buffer in buf_list. + * * @urbs_initialized: number of URBs initialized. * @urbs_submitted: number of URBs submitted. + * * @feedcount: number of reqested feeds (used for streaming-activation) * @pid_filtering: is hardware pid_filtering used or not. + * * @usb_sem: semaphore of USB control messages (reading needs two messages) * @i2c_sem: semaphore for i2c-transfers + * * @i2c_adap: device's i2c_adapter if it uses I2CoverUSB * @pll_addr: I2C address of the tuner for programming * @pll_init: array containing the initialization buffer * @pll_desc: pointer to the appropriate struct dvb_pll_desc - * @tuner_pass_ctrl: called to (de)activate tuner passthru of the demod + * + * @tuner_pass_ctrl: called to (de)activate tuner passthru of the demod or the board + * * @dvb_adap: device's dvb_adapter. * @dmxdev: device's dmxdev. * @demux: device's software demuxer. @@ -253,8 +263,12 @@ struct dvb_usb_device { /* usb */ struct usb_device *udev; struct urb **urb_list; - u8 *buffer; - dma_addr_t dma_handle; + + int buf_num; + unsigned long buf_size; + u8 **buf_list; + dma_addr_t *dma_addr; + int urbs_initialized; int urbs_submitted; -- cgit v1.2.3