From 4a06b538d6c7c1713d759f79b4fbd1d91d4932ca Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Fri, 29 Dec 2006 09:57:26 -0300 Subject: V4L/DVB (5018): Make usbvision_rvfree() static usbvision_rvfree() can now become static. Signed-off-by: Adrian Bunk Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/usbvision/usbvision-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/media/video/usbvision/usbvision-core.c') diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c index 901f664dc6d..42f495c9f5f 100644 --- a/drivers/media/video/usbvision/usbvision-core.c +++ b/drivers/media/video/usbvision/usbvision-core.c @@ -138,7 +138,7 @@ static void *usbvision_rvmalloc(unsigned long size) return mem; } -void usbvision_rvfree(void *mem, unsigned long size) +static void usbvision_rvfree(void *mem, unsigned long size) { unsigned long adr; -- cgit v1.2.3 From 6f78e186fe5d29dbff5e34f950adb573c4808de4 Mon Sep 17 00:00:00 2001 From: Thierry MERLE Date: Wed, 7 Feb 2007 10:13:11 -0300 Subject: V4L/DVB (5205): Usbvision: dynamic allocation for frames - fix decoder route output - dynamic frame buffer allocation Signed-off-by: Thierry MERLE Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/usbvision/usbvision-core.c | 35 +++++++++++++++++--------- 1 file changed, 23 insertions(+), 12 deletions(-) (limited to 'drivers/media/video/usbvision/usbvision-core.c') diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c index 42f495c9f5f..d4fcd5736ba 100644 --- a/drivers/media/video/usbvision/usbvision-core.c +++ b/drivers/media/video/usbvision/usbvision-core.c @@ -1852,28 +1852,33 @@ int usbvision_set_output(struct usb_usbvision *usbvision, int width, /* * usbvision_frames_alloc - * allocate the maximum frames this driver can manage + * allocate the required frames */ -int usbvision_frames_alloc(struct usb_usbvision *usbvision) +int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames) { int i; - /* Allocate memory for the frame buffers */ - usbvision->max_frame_size = MAX_FRAME_SIZE; - usbvision->fbuf_size = USBVISION_NUMFRAMES * usbvision->max_frame_size; - usbvision->fbuf = usbvision_rvmalloc(usbvision->fbuf_size); + /*needs to be page aligned cause the buffers can be mapped individually! */ + usbvision->max_frame_size = PAGE_ALIGN(usbvision->curwidth * + usbvision->curheight * + usbvision->palette.bytes_per_pixel); - if(usbvision->fbuf == NULL) { - err("%s: unable to allocate %d bytes for fbuf ", - __FUNCTION__, usbvision->fbuf_size); - return -ENOMEM; + /* Try to do my best to allocate the frames the user want in the remaining memory */ + usbvision->num_frames = number_of_frames; + while (usbvision->num_frames > 0) { + usbvision->fbuf_size = usbvision->num_frames * usbvision->max_frame_size; + if((usbvision->fbuf = usbvision_rvmalloc(usbvision->fbuf_size))) { + break; + } + usbvision->num_frames--; } + spin_lock_init(&usbvision->queue_lock); init_waitqueue_head(&usbvision->wait_frame); init_waitqueue_head(&usbvision->wait_stream); /* Allocate all buffers */ - for (i = 0; i < USBVISION_NUMFRAMES; i++) { + for (i = 0; i < usbvision->num_frames; i++) { usbvision->frame[i].index = i; usbvision->frame[i].grabstate = FrameState_Unused; usbvision->frame[i].data = usbvision->fbuf + @@ -1887,7 +1892,8 @@ int usbvision_frames_alloc(struct usb_usbvision *usbvision) usbvision->frame[i].height = usbvision->curheight; usbvision->frame[i].bytes_read = 0; } - return 0; + PDEBUG(DBG_FUNC, "allocated %d frames (%d bytes per frame)",usbvision->num_frames,usbvision->max_frame_size); + return usbvision->num_frames; } /* @@ -1897,9 +1903,13 @@ int usbvision_frames_alloc(struct usb_usbvision *usbvision) void usbvision_frames_free(struct usb_usbvision *usbvision) { /* Have to free all that memory */ + PDEBUG(DBG_FUNC, "free %d frames",usbvision->num_frames); + if (usbvision->fbuf != NULL) { usbvision_rvfree(usbvision->fbuf, usbvision->fbuf_size); usbvision->fbuf = NULL; + + usbvision->num_frames = 0; } } /* @@ -2490,6 +2500,7 @@ int usbvision_muxsel(struct usb_usbvision *usbvision, int channel) RESTRICT_TO_RANGE(channel, 0, usbvision->video_inputs); usbvision->ctl_input = channel; route.input = SAA7115_COMPOSITE1; + route.output = 0; call_i2c_clients(usbvision, VIDIOC_INT_S_VIDEO_ROUTING,&route); call_i2c_clients(usbvision, VIDIOC_S_INPUT, &usbvision->ctl_input); -- cgit v1.2.3 From 2a9f8b5d25beacd034369fca416b548cbf931561 Mon Sep 17 00:00:00 2001 From: Thierry MERLE Date: Wed, 7 Feb 2007 10:14:38 -0300 Subject: V4L/DVB (5206): Usbvision: set alternate interface modification - usb alternate selection modified to get the biggest endpoint packet size. - fix sysfs get values for brightness/contrast/hue/saturation Signed-off-by: Thierry MERLE Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/usbvision/usbvision-core.c | 33 ++++++++++++++++++++++---- 1 file changed, 29 insertions(+), 4 deletions(-) (limited to 'drivers/media/video/usbvision/usbvision-core.c') diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c index d4fcd5736ba..f2154dc072e 100644 --- a/drivers/media/video/usbvision/usbvision-core.c +++ b/drivers/media/video/usbvision/usbvision-core.c @@ -2361,6 +2361,32 @@ int usbvision_setup(struct usb_usbvision *usbvision,int format) return USBVISION_IS_OPERATIONAL(usbvision); } +int usbvision_set_alternate(struct usb_usbvision *dev) +{ + int errCode, prev_alt = dev->ifaceAlt; + int i; + + dev->ifaceAlt=0; + for(i=0;i< dev->num_alt; i++) + if(dev->alt_max_pkt_size[i]>dev->alt_max_pkt_size[dev->ifaceAlt]) + dev->ifaceAlt=i; + + if (dev->ifaceAlt != prev_alt) { + dev->isocPacketSize = dev->alt_max_pkt_size[dev->ifaceAlt]; + PDEBUG(DBG_FUNC,"setting alternate %d with wMaxPacketSize=%u", dev->ifaceAlt,dev->isocPacketSize); + errCode = usb_set_interface(dev->dev, dev->iface, dev->ifaceAlt); + if (errCode < 0) { + err ("cannot change alternate number to %d (error=%i)", + dev->ifaceAlt, errCode); + return errCode; + } + } + + PDEBUG(DBG_ISOC, "ISO Packet Length:%d", dev->isocPacketSize); + + return 0; +} + /* * usbvision_init_isoc() * @@ -2378,15 +2404,13 @@ int usbvision_init_isoc(struct usb_usbvision *usbvision) scratch_reset(usbvision); /* Alternate interface 1 is is the biggest frame size */ - errCode = usb_set_interface(dev, usbvision->iface, usbvision->ifaceAltActive); + errCode = usbvision_set_alternate(usbvision); if (errCode < 0) { usbvision->last_error = errCode; return -EBUSY; } regValue = (16 - usbvision_read_reg(usbvision, USBVISION_ALTER_REG)) & 0x0F; - usbvision->isocPacketSize = (regValue == 0) ? 0 : (regValue * 64) - 1; - PDEBUG(DBG_ISOC, "ISO Packet Length:%d", usbvision->isocPacketSize); usbvision->usb_bandwidth = regValue >> 1; PDEBUG(DBG_ISOC, "USB Bandwidth Usage: %dMbit/Sec", usbvision->usb_bandwidth); @@ -2472,8 +2496,9 @@ void usbvision_stop_isoc(struct usb_usbvision *usbvision) if (!usbvision->remove_pending) { /* Set packet size to 0 */ + usbvision->ifaceAlt=0; errCode = usb_set_interface(usbvision->dev, usbvision->iface, - usbvision->ifaceAltInactive); + usbvision->ifaceAlt); if (errCode < 0) { err("%s: usb_set_interface() failed: error %d", __FUNCTION__, errCode); usbvision->last_error = errCode; -- cgit v1.2.3 From c682b3a7fb8ec69ac73511bbb6a378e40aa35f35 Mon Sep 17 00:00:00 2001 From: Trent Piepho Date: Sat, 14 Apr 2007 15:16:26 -0300 Subject: V4L/DVB (5517): Usbvision: store the device database more efficiently One bit wide bitfields need to declared unsigned to have the range 0 to 1, or they have the range -1 to 0. A few techniques to reduce the driver's size by about 1700 bytes on ia32, probably more on x86-64. Put the biggest fields first, less padding is necessary that way. Put fields with a limited range into a smaller type. For example VideoChannels will fit in 3 bits, and TunerType can use 8 bits. Vin_Reg1, Vin_Reg2, and Dvi_yuv define values for 8-bit registers, but they can't just go into an 8-bit field with no changes, since -1 was used as a flag to indicate a value was not present. So what we do is create a one-bit flag for each one to indicate if a value is or is not present. This only takes 9 bits and has the added advantage that when the register isn't overridden (Vin_Reg[12] never are) it doesn't need to appear in the structure definition since the default value for the flag will be zero. Signed-off-by: Trent Piepho Acked-by: Thierry MERLE Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/usbvision/usbvision-core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/media/video/usbvision/usbvision-core.c') diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c index f2154dc072e..fee4548a9cc 100644 --- a/drivers/media/video/usbvision/usbvision-core.c +++ b/drivers/media/video/usbvision/usbvision-core.c @@ -2040,8 +2040,8 @@ int usbvision_set_input(struct usb_usbvision *usbvision) return 0; /* Set input format expected from decoder*/ - if (usbvision_device_data[usbvision->DevModel].Vin_Reg1 >= 0) { - value[0] = usbvision_device_data[usbvision->DevModel].Vin_Reg1 & 0xff; + if (usbvision_device_data[usbvision->DevModel].Vin_Reg1_override) { + value[0] = usbvision_device_data[usbvision->DevModel].Vin_Reg1; } else if(usbvision_device_data[usbvision->DevModel].Codec == CODEC_SAA7113) { /* SAA7113 uses 8 bit output */ value[0] = USBVISION_8_422_SYNC; @@ -2112,8 +2112,8 @@ int usbvision_set_input(struct usb_usbvision *usbvision) dvi_yuv_value = 0x00; /* U comes after V, Ya comes after U/V, Yb comes after Yb */ - if(usbvision_device_data[usbvision->DevModel].Dvi_yuv >= 0){ - dvi_yuv_value = usbvision_device_data[usbvision->DevModel].Dvi_yuv & 0xff; + if(usbvision_device_data[usbvision->DevModel].Dvi_yuv_override){ + dvi_yuv_value = usbvision_device_data[usbvision->DevModel].Dvi_yuv; } else if(usbvision_device_data[usbvision->DevModel].Codec == CODEC_SAA7113) { /* This changes as the fine sync control changes. Further investigation necessary */ -- cgit v1.2.3 From 1ff16c2091a557f8080eb62c087465a87e4330e9 Mon Sep 17 00:00:00 2001 From: Thierry MERLE Date: Sat, 14 Apr 2007 16:23:49 -0300 Subject: V4L/DVB (5522): Usbvision: i2c function cleanups usbvision-i2c function renamings, code cleanup Signed-off-by: Thierry MERLE Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/usbvision/usbvision-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/media/video/usbvision/usbvision-core.c') diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c index fee4548a9cc..bcb551adb7e 100644 --- a/drivers/media/video/usbvision/usbvision-core.c +++ b/drivers/media/video/usbvision/usbvision-core.c @@ -2238,7 +2238,7 @@ static void call_usbvision_power_off(struct work_struct *work) PDEBUG(DBG_FUNC, ""); down_interruptible(&usbvision->lock); if(usbvision->user == 0) { - usbvision_i2c_usb_del_bus(&usbvision->i2c_adap); + usbvision_i2c_unregister(usbvision); usbvision_power_off(usbvision); usbvision->initialized = 0; -- cgit v1.2.3