diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-video.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-video.c | 2075 |
1 files changed, 0 insertions, 2075 deletions
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c deleted file mode 100644 index f6fcc7e763ab..000000000000 --- a/drivers/media/video/cx88/cx88-video.c +++ /dev/null @@ -1,2075 +0,0 @@ -/* - * - * device driver for Conexant 2388x based TV cards - * video4linux video interface - * - * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] - * - * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org> - * - Multituner support - * - video_ioctl2 conversion - * - PAL/M fixes - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/init.h> -#include <linux/list.h> -#include <linux/module.h> -#include <linux/kmod.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/dma-mapping.h> -#include <linux/delay.h> -#include <linux/kthread.h> -#include <asm/div64.h> - -#include "cx88.h" -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> -#include <media/v4l2-event.h> -#include <media/wm8775.h> - -MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); -MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(CX88_VERSION); - -/* ------------------------------------------------------------------ */ - -static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; -static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; -static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; - -module_param_array(video_nr, int, NULL, 0444); -module_param_array(vbi_nr, int, NULL, 0444); -module_param_array(radio_nr, int, NULL, 0444); - -MODULE_PARM_DESC(video_nr,"video device numbers"); -MODULE_PARM_DESC(vbi_nr,"vbi device numbers"); -MODULE_PARM_DESC(radio_nr,"radio device numbers"); - -static unsigned int video_debug; -module_param(video_debug,int,0644); -MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); - -static unsigned int irq_debug; -module_param(irq_debug,int,0644); -MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); - -static unsigned int vid_limit = 16; -module_param(vid_limit,int,0644); -MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); - -#define dprintk(level,fmt, arg...) if (video_debug >= level) \ - printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg) - -/* ------------------------------------------------------------------- */ -/* static data */ - -static const struct cx8800_fmt formats[] = { - { - .name = "8 bpp, gray", - .fourcc = V4L2_PIX_FMT_GREY, - .cxformat = ColorFormatY8, - .depth = 8, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "15 bpp RGB, le", - .fourcc = V4L2_PIX_FMT_RGB555, - .cxformat = ColorFormatRGB15, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "15 bpp RGB, be", - .fourcc = V4L2_PIX_FMT_RGB555X, - .cxformat = ColorFormatRGB15 | ColorFormatBSWAP, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "16 bpp RGB, le", - .fourcc = V4L2_PIX_FMT_RGB565, - .cxformat = ColorFormatRGB16, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "16 bpp RGB, be", - .fourcc = V4L2_PIX_FMT_RGB565X, - .cxformat = ColorFormatRGB16 | ColorFormatBSWAP, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "24 bpp RGB, le", - .fourcc = V4L2_PIX_FMT_BGR24, - .cxformat = ColorFormatRGB24, - .depth = 24, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "32 bpp RGB, le", - .fourcc = V4L2_PIX_FMT_BGR32, - .cxformat = ColorFormatRGB32, - .depth = 32, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "32 bpp RGB, be", - .fourcc = V4L2_PIX_FMT_RGB32, - .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP, - .depth = 32, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "4:2:2, packed, YUYV", - .fourcc = V4L2_PIX_FMT_YUYV, - .cxformat = ColorFormatYUY2, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "4:2:2, packed, UYVY", - .fourcc = V4L2_PIX_FMT_UYVY, - .cxformat = ColorFormatYUY2 | ColorFormatBSWAP, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - }, -}; - -static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(formats); i++) - if (formats[i].fourcc == fourcc) - return formats+i; - return NULL; -} - -/* ------------------------------------------------------------------- */ - -struct cx88_ctrl { - /* control information */ - u32 id; - s32 minimum; - s32 maximum; - u32 step; - s32 default_value; - - /* control register information */ - u32 off; - u32 reg; - u32 sreg; - u32 mask; - u32 shift; -}; - -static const struct cx88_ctrl cx8800_vid_ctls[] = { - /* --- video --- */ - { - .id = V4L2_CID_BRIGHTNESS, - .minimum = 0x00, - .maximum = 0xff, - .step = 1, - .default_value = 0x7f, - .off = 128, - .reg = MO_CONTR_BRIGHT, - .mask = 0x00ff, - .shift = 0, - },{ - .id = V4L2_CID_CONTRAST, - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x3f, - .off = 0, - .reg = MO_CONTR_BRIGHT, - .mask = 0xff00, - .shift = 8, - },{ - .id = V4L2_CID_HUE, - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x7f, - .off = 128, - .reg = MO_HUE, - .mask = 0x00ff, - .shift = 0, - },{ - /* strictly, this only describes only U saturation. - * V saturation is handled specially through code. - */ - .id = V4L2_CID_SATURATION, - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x7f, - .off = 0, - .reg = MO_UV_SATURATION, - .mask = 0x00ff, - .shift = 0, - }, { - .id = V4L2_CID_SHARPNESS, - .minimum = 0, - .maximum = 4, - .step = 1, - .default_value = 0x0, - .off = 0, - /* NOTE: the value is converted and written to both even - and odd registers in the code */ - .reg = MO_FILTER_ODD, - .mask = 7 << 7, - .shift = 7, - }, { - .id = V4L2_CID_CHROMA_AGC, - .minimum = 0, - .maximum = 1, - .default_value = 0x1, - .reg = MO_INPUT_FORMAT, - .mask = 1 << 10, - .shift = 10, - }, { - .id = V4L2_CID_COLOR_KILLER, - .minimum = 0, - .maximum = 1, - .default_value = 0x1, - .reg = MO_INPUT_FORMAT, - .mask = 1 << 9, - .shift = 9, - }, { - .id = V4L2_CID_BAND_STOP_FILTER, - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 0x0, - .off = 0, - .reg = MO_HTOTAL, - .mask = 3 << 11, - .shift = 11, - } -}; - -static const struct cx88_ctrl cx8800_aud_ctls[] = { - { - /* --- audio --- */ - .id = V4L2_CID_AUDIO_MUTE, - .minimum = 0, - .maximum = 1, - .default_value = 1, - .reg = AUD_VOL_CTL, - .sreg = SHADOW_AUD_VOL_CTL, - .mask = (1 << 6), - .shift = 6, - },{ - .id = V4L2_CID_AUDIO_VOLUME, - .minimum = 0, - .maximum = 0x3f, - .step = 1, - .default_value = 0x3f, - .reg = AUD_VOL_CTL, - .sreg = SHADOW_AUD_VOL_CTL, - .mask = 0x3f, - .shift = 0, - },{ - .id = V4L2_CID_AUDIO_BALANCE, - .minimum = 0, - .maximum = 0x7f, - .step = 1, - .default_value = 0x40, - .reg = AUD_BAL_CTL, - .sreg = SHADOW_AUD_BAL_CTL, - .mask = 0x7f, - .shift = 0, - } -}; - -enum { - CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls), - CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls), -}; - -/* ------------------------------------------------------------------- */ -/* resource management */ - -static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit) -{ - struct cx88_core *core = dev->core; - if (fh->resources & bit) - /* have it already allocated */ - return 1; - - /* is it free? */ - mutex_lock(&core->lock); - if (dev->resources & bit) { - /* no, someone else uses it */ - mutex_unlock(&core->lock); - return 0; - } - /* it's free, grab it */ - fh->resources |= bit; - dev->resources |= bit; - dprintk(1,"res: get %d\n",bit); - mutex_unlock(&core->lock); - return 1; -} - -static -int res_check(struct cx8800_fh *fh, unsigned int bit) -{ - return (fh->resources & bit); -} - -static -int res_locked(struct cx8800_dev *dev, unsigned int bit) -{ - return (dev->resources & bit); -} - -static -void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits) -{ - struct cx88_core *core = dev->core; - BUG_ON((fh->resources & bits) != bits); - - mutex_lock(&core->lock); - fh->resources &= ~bits; - dev->resources &= ~bits; - dprintk(1,"res: put %d\n",bits); - mutex_unlock(&core->lock); -} - -/* ------------------------------------------------------------------ */ - -int cx88_video_mux(struct cx88_core *core, unsigned int input) -{ - /* struct cx88_core *core = dev->core; */ - - dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n", - input, INPUT(input).vmux, - INPUT(input).gpio0,INPUT(input).gpio1, - INPUT(input).gpio2,INPUT(input).gpio3); - core->input = input; - cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14); - cx_write(MO_GP3_IO, INPUT(input).gpio3); - cx_write(MO_GP0_IO, INPUT(input).gpio0); - cx_write(MO_GP1_IO, INPUT(input).gpio1); - cx_write(MO_GP2_IO, INPUT(input).gpio2); - - switch (INPUT(input).type) { - case CX88_VMUX_SVIDEO: - cx_set(MO_AFECFG_IO, 0x00000001); - cx_set(MO_INPUT_FORMAT, 0x00010010); - cx_set(MO_FILTER_EVEN, 0x00002020); - cx_set(MO_FILTER_ODD, 0x00002020); - break; - default: - cx_clear(MO_AFECFG_IO, 0x00000001); - cx_clear(MO_INPUT_FORMAT, 0x00010010); - cx_clear(MO_FILTER_EVEN, 0x00002020); - cx_clear(MO_FILTER_ODD, 0x00002020); - break; - } - - /* if there are audioroutes defined, we have an external - ADC to deal with audio */ - if (INPUT(input).audioroute) { - /* The wm8775 module has the "2" route hardwired into - the initialization. Some boards may use different - routes for different inputs. HVR-1300 surely does */ - if (core->board.audio_chip && - core->board.audio_chip == V4L2_IDENT_WM8775) { - call_all(core, audio, s_routing, - INPUT(input).audioroute, 0, 0); - } - /* cx2388's C-ADC is connected to the tuner only. - When used with S-Video, that ADC is busy dealing with - chroma, so an external must be used for baseband audio */ - if (INPUT(input).type != CX88_VMUX_TELEVISION && - INPUT(input).type != CX88_VMUX_CABLE) { - /* "I2S ADC mode" */ - core->tvaudio = WW_I2SADC; - cx88_set_tvaudio(core); - } else { - /* Normal mode */ - cx_write(AUD_I2SCNTL, 0x0); - cx_clear(AUD_CTL, EN_I2SIN_ENABLE); - } - } - - return 0; -} -EXPORT_SYMBOL(cx88_video_mux); - -/* ------------------------------------------------------------------ */ - -static int start_video_dma(struct cx8800_dev *dev, - struct cx88_dmaqueue *q, - struct cx88_buffer *buf) -{ - struct cx88_core *core = dev->core; - - /* setup fifo + format */ - cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21], - buf->bpl, buf->risc.dma); - cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field); - cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma); - - /* reset counter */ - cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET); - q->count = 1; - - /* enable irqs */ - cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT); - - /* Enables corresponding bits at PCI_INT_STAT: - bits 0 to 4: video, audio, transport stream, VIP, Host - bit 7: timer - bits 8 and 9: DMA complete for: SRC, DST - bits 10 and 11: BERR signal asserted for RISC: RD, WR - bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB - */ - cx_set(MO_VID_INTMSK, 0x0f0011); - - /* enable capture */ - cx_set(VID_CAPTURE_CONTROL,0x06); - - /* start dma */ - cx_set(MO_DEV_CNTRL2, (1<<5)); - cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */ - - return 0; -} - -#ifdef CONFIG_PM -static int stop_video_dma(struct cx8800_dev *dev) -{ - struct cx88_core *core = dev->core; - - /* stop dma */ - cx_clear(MO_VID_DMACNTRL, 0x11); - - /* disable capture */ - cx_clear(VID_CAPTURE_CONTROL,0x06); - - /* disable irqs */ - cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT); - cx_clear(MO_VID_INTMSK, 0x0f0011); - return 0; -} -#endif - -static int restart_video_queue(struct cx8800_dev *dev, - struct cx88_dmaqueue *q) -{ - struct cx88_core *core = dev->core; - struct cx88_buffer *buf, *prev; - - if (!list_empty(&q->active)) { - buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); - dprintk(2,"restart_queue [%p/%d]: restart dma\n", - buf, buf->vb.i); - start_video_dma(dev, q, buf); - list_for_each_entry(buf, &q->active, vb.queue) - buf->count = q->count++; - mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); - return 0; - } - - prev = NULL; - for (;;) { - if (list_empty(&q->queued)) - return 0; - buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); - if (NULL == prev) { - list_move_tail(&buf->vb.queue, &q->active); - start_video_dma(dev, q, buf); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); - dprintk(2,"[%p/%d] restart_queue - first active\n", - buf,buf->vb.i); - - } else if (prev->vb.width == buf->vb.width && - prev->vb.height == buf->vb.height && - prev->fmt == buf->fmt) { - list_move_tail(&buf->vb.queue, &q->active); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); - dprintk(2,"[%p/%d] restart_queue - move to active\n", - buf,buf->vb.i); - } else { - return 0; - } - prev = buf; - } -} - -/* ------------------------------------------------------------------ */ - -static int -buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) -{ - struct cx8800_fh *fh = q->priv_data; - struct cx8800_dev *dev = fh->dev; - - *size = dev->fmt->depth * dev->width * dev->height >> 3; - if (0 == *count) - *count = 32; - if (*size * *count > vid_limit * 1024 * 1024) - *count = (vid_limit * 1024 * 1024) / *size; - return 0; -} - -static int -buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, - enum v4l2_field field) -{ - struct cx8800_fh *fh = q->priv_data; - struct cx8800_dev *dev = fh->dev; - struct cx88_core *core = dev->core; - struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); - struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); - int rc, init_buffer = 0; - - BUG_ON(NULL == dev->fmt); - if (dev->width < 48 || dev->width > norm_maxw(core->tvnorm) || - dev->height < 32 || dev->height > norm_maxh(core->tvnorm)) - return -EINVAL; - buf->vb.size = (dev->width * dev->height * dev->fmt->depth) >> 3; - if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) - return -EINVAL; - - if (buf->fmt != dev->fmt || - buf->vb.width != dev->width || - buf->vb.height != dev->height || - buf->vb.field != field) { - buf->fmt = dev->fmt; - buf->vb.width = dev->width; - buf->vb.height = dev->height; - buf->vb.field = field; - init_buffer = 1; - } - - if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { - init_buffer = 1; - if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) - goto fail; - } - - if (init_buffer) { - buf->bpl = buf->vb.width * buf->fmt->depth >> 3; - switch (buf->vb.field) { - case V4L2_FIELD_TOP: - cx88_risc_buffer(dev->pci, &buf->risc, - dma->sglist, 0, UNSET, - buf->bpl, 0, buf->vb.height); - break; - case V4L2_FIELD_BOTTOM: - cx88_risc_buffer(dev->pci, &buf->risc, - dma->sglist, UNSET, 0, - buf->bpl, 0, buf->vb.height); - break; - case V4L2_FIELD_INTERLACED: - cx88_risc_buffer(dev->pci, &buf->risc, - dma->sglist, 0, buf->bpl, - buf->bpl, buf->bpl, - buf->vb.height >> 1); - break; - case V4L2_FIELD_SEQ_TB: - cx88_risc_buffer(dev->pci, &buf->risc, - dma->sglist, - 0, buf->bpl * (buf->vb.height >> 1), - buf->bpl, 0, - buf->vb.height >> 1); - break; - case V4L2_FIELD_SEQ_BT: - cx88_risc_buffer(dev->pci, &buf->risc, - dma->sglist, - buf->bpl * (buf->vb.height >> 1), 0, - buf->bpl, 0, - buf->vb.height >> 1); - break; - default: - BUG(); - } - } - dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", - buf, buf->vb.i, - dev->width, dev->height, dev->fmt->depth, dev->fmt->name, - (unsigned long)buf->risc.dma); - - buf->vb.state = VIDEOBUF_PREPARED; - return 0; - - fail: - cx88_free_buffer(q,buf); - return rc; -} - -static void -buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) -{ - struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); - struct cx88_buffer *prev; - struct cx8800_fh *fh = vq->priv_data; - struct cx8800_dev *dev = fh->dev; - struct cx88_core *core = dev->core; - struct cx88_dmaqueue *q = &dev->vidq; - - /* add jump to stopper */ - buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); - buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); - - if (!list_empty(&q->queued)) { - list_add_tail(&buf->vb.queue,&q->queued); - buf->vb.state = VIDEOBUF_QUEUED; - dprintk(2,"[%p/%d] buffer_queue - append to queued\n", - buf, buf->vb.i); - - } else if (list_empty(&q->active)) { - list_add_tail(&buf->vb.queue,&q->active); - start_video_dma(dev, q, buf); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); - dprintk(2,"[%p/%d] buffer_queue - first active\n", - buf, buf->vb.i); - - } else { - prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue); - if (prev->vb.width == buf->vb.width && - prev->vb.height == buf->vb.height && - prev->fmt == buf->fmt) { - list_add_tail(&buf->vb.queue,&q->active); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); - dprintk(2,"[%p/%d] buffer_queue - append to active\n", - buf, buf->vb.i); - - } else { - list_add_tail(&buf->vb.queue,&q->queued); - buf->vb.state = VIDEOBUF_QUEUED; - dprintk(2,"[%p/%d] buffer_queue - first queued\n", - buf, buf->vb.i); - } - } -} - -static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) -{ - struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); - - cx88_free_buffer(q,buf); -} - -static const struct videobuf_queue_ops cx8800_video_qops = { - .buf_setup = buffer_setup, - .buf_prepare = buffer_prepare, - .buf_queue = buffer_queue, - .buf_release = buffer_release, -}; - -/* ------------------------------------------------------------------ */ - - -/* ------------------------------------------------------------------ */ - -static struct videobuf_queue *get_queue(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - struct cx8800_fh *fh = file->private_data; - - switch (vdev->vfl_type) { - case VFL_TYPE_GRABBER: - return &fh->vidq; - case VFL_TYPE_VBI: - return &fh->vbiq; - default: - BUG(); - return NULL; - } -} - -static int get_resource(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - - switch (vdev->vfl_type) { - case VFL_TYPE_GRABBER: - return RESOURCE_VIDEO; - case VFL_TYPE_VBI: - return RESOURCE_VBI; - default: - BUG(); - return 0; - } -} - -static int video_open(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - struct cx8800_dev *dev = video_drvdata(file); - struct cx88_core *core = dev->core; - struct cx8800_fh *fh; - enum v4l2_buf_type type = 0; - int radio = 0; - - switch (vdev->vfl_type) { - case VFL_TYPE_GRABBER: - type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - break; - case VFL_TYPE_VBI: - type = V4L2_BUF_TYPE_VBI_CAPTURE; - break; - case VFL_TYPE_RADIO: - radio = 1; - break; - } - - dprintk(1, "open dev=%s radio=%d type=%s\n", - video_device_node_name(vdev), radio, v4l2_type_names[type]); - - /* allocate + initialize per filehandle data */ - fh = kzalloc(sizeof(*fh),GFP_KERNEL); - if (unlikely(!fh)) - return -ENOMEM; - - v4l2_fh_init(&fh->fh, vdev); - file->private_data = fh; - fh->dev = dev; - - mutex_lock(&core->lock); - - videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops, - &dev->pci->dev, &dev->slock, - V4L2_BUF_TYPE_VIDEO_CAPTURE, - V4L2_FIELD_INTERLACED, - sizeof(struct cx88_buffer), - fh, NULL); - videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops, - &dev->pci->dev, &dev->slock, - V4L2_BUF_TYPE_VBI_CAPTURE, - V4L2_FIELD_SEQ_TB, - sizeof(struct cx88_buffer), - fh, NULL); - - if (vdev->vfl_type == VFL_TYPE_RADIO) { - dprintk(1,"video_open: setting radio device\n"); - cx_write(MO_GP3_IO, core->board.radio.gpio3); - cx_write(MO_GP0_IO, core->board.radio.gpio0); - cx_write(MO_GP1_IO, core->board.radio.gpio1); - cx_write(MO_GP2_IO, core->board.radio.gpio2); - if (core->board.radio.audioroute) { - if(core->board.audio_chip && - core->board.audio_chip == V4L2_IDENT_WM8775) { - call_all(core, audio, s_routing, - core->board.radio.audioroute, 0, 0); - } - /* "I2S ADC mode" */ - core->tvaudio = WW_I2SADC; - cx88_set_tvaudio(core); - } else { - /* FM Mode */ - core->tvaudio = WW_FM; - cx88_set_tvaudio(core); - cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1); - } - call_all(core, tuner, s_radio); - } - - core->users++; - mutex_unlock(&core->lock); - v4l2_fh_add(&fh->fh); - - return 0; -} - -static ssize_t -video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) -{ - struct video_device *vdev = video_devdata(file); - struct cx8800_fh *fh = file->private_data; - - switch (vdev->vfl_type) { - case VFL_TYPE_GRABBER: - if (res_locked(fh->dev,RESOURCE_VIDEO)) - return -EBUSY; - return videobuf_read_one(&fh->vidq, data, count, ppos, - file->f_flags & O_NONBLOCK); - case VFL_TYPE_VBI: - if (!res_get(fh->dev,fh,RESOURCE_VBI)) - return -EBUSY; - return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, - file->f_flags & O_NONBLOCK); - default: - BUG(); - return 0; - } -} - -static unsigned int -video_poll(struct file *file, struct poll_table_struct *wait) -{ - struct video_device *vdev = video_devdata(file); - struct cx8800_fh *fh = file->private_data; - struct cx88_buffer *buf; - unsigned int rc = v4l2_ctrl_poll(file, wait); - - if (vdev->vfl_type == VFL_TYPE_VBI) { - if (!res_get(fh->dev,fh,RESOURCE_VBI)) - return rc | POLLERR; - return rc | videobuf_poll_stream(file, &fh->vbiq, wait); - } - mutex_lock(&fh->vidq.vb_lock); - if (res_check(fh,RESOURCE_VIDEO)) { - /* streaming capture */ - if (list_empty(&fh->vidq.stream)) - goto done; - buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream); - } else { - /* read() capture */ - buf = (struct cx88_buffer*)fh->vidq.read_buf; - if (NULL == buf) - goto done; - } - poll_wait(file, &buf->vb.done, wait); - if (buf->vb.state == VIDEOBUF_DONE || - buf->vb.state == VIDEOBUF_ERROR) - rc |= POLLIN|POLLRDNORM; -done: - mutex_unlock(&fh->vidq.vb_lock); - return rc; -} - -static int video_release(struct file *file) -{ - struct cx8800_fh *fh = file->private_data; - struct cx8800_dev *dev = fh->dev; - - /* turn off overlay */ - if (res_check(fh, RESOURCE_OVERLAY)) { - /* FIXME */ - res_free(dev,fh,RESOURCE_OVERLAY); - } - - /* stop video capture */ - if (res_check(fh, RESOURCE_VIDEO)) { - videobuf_queue_cancel(&fh->vidq); - res_free(dev,fh,RESOURCE_VIDEO); - } - if (fh->vidq.read_buf) { - buffer_release(&fh->vidq,fh->vidq.read_buf); - kfree(fh->vidq.read_buf); - } - - /* stop vbi capture */ - if (res_check(fh, RESOURCE_VBI)) { - videobuf_stop(&fh->vbiq); - res_free(dev,fh,RESOURCE_VBI); - } - - videobuf_mmap_free(&fh->vidq); - videobuf_mmap_free(&fh->vbiq); - - mutex_lock(&dev->core->lock); - v4l2_fh_del(&fh->fh); - v4l2_fh_exit(&fh->fh); - file->private_data = NULL; - kfree(fh); - - dev->core->users--; - if (!dev->core->users) - call_all(dev->core, core, s_power, 0); - mutex_unlock(&dev->core->lock); - - return 0; -} - -static int -video_mmap(struct file *file, struct vm_area_struct * vma) -{ - return videobuf_mmap_mapper(get_queue(file), vma); -} - -/* ------------------------------------------------------------------ */ -/* VIDEO CTRL IOCTLS */ - -static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl) -{ - struct cx88_core *core = - container_of(ctrl->handler, struct cx88_core, video_hdl); - const struct cx88_ctrl *cc = ctrl->priv; - u32 value, mask; - - mask = cc->mask; - switch (ctrl->id) { - case V4L2_CID_SATURATION: - /* special v_sat handling */ - - value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; - - if (core->tvnorm & V4L2_STD_SECAM) { - /* For SECAM, both U and V sat should be equal */ - value = value << 8 | value; - } else { - /* Keeps U Saturation proportional to V Sat */ - value = (value * 0x5a) / 0x7f << 8 | value; - } - mask = 0xffff; - break; - case V4L2_CID_SHARPNESS: - /* 0b000, 0b100, 0b101, 0b110, or 0b111 */ - value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7)); - /* needs to be set for both fields */ - cx_andor(MO_FILTER_EVEN, mask, value); - break; - case V4L2_CID_CHROMA_AGC: - value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; - break; - default: - value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; - break; - } - dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", - ctrl->id, ctrl->name, ctrl->val, cc->reg, value, - mask, cc->sreg ? " [shadowed]" : ""); - if (cc->sreg) - cx_sandor(cc->sreg, cc->reg, mask, value); - else - cx_andor(cc->reg, mask, value); - return 0; -} - -static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl) -{ - struct cx88_core *core = - container_of(ctrl->handler, struct cx88_core, audio_hdl); - const struct cx88_ctrl *cc = ctrl->priv; - u32 value,mask; - - /* Pass changes onto any WM8775 */ - if (core->board.audio_chip == V4L2_IDENT_WM8775) { - switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - wm8775_s_ctrl(core, ctrl->id, ctrl->val); - break; - case V4L2_CID_AUDIO_VOLUME: - wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ? - (0x90 + ctrl->val) << 8 : 0); - break; - case V4L2_CID_AUDIO_BALANCE: - wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9); - break; - default: - break; - } - } - - mask = cc->mask; - switch (ctrl->id) { - case V4L2_CID_AUDIO_BALANCE: - value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40); - break; - case V4L2_CID_AUDIO_VOLUME: - value = 0x3f - (ctrl->val & 0x3f); - break; - default: - value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; - break; - } - dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", - ctrl->id, ctrl->name, ctrl->val, cc->reg, value, - mask, cc->sreg ? " [shadowed]" : ""); - if (cc->sreg) - cx_sandor(cc->sreg, cc->reg, mask, value); - else - cx_andor(cc->reg, mask, value); - return 0; -} - -/* ------------------------------------------------------------------ */ -/* VIDEO IOCTLS */ - -static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct cx8800_fh *fh = priv; - struct cx8800_dev *dev = fh->dev; - - f->fmt.pix.width = dev->width; - f->fmt.pix.height = dev->height; - f->fmt.pix.field = fh->vidq.field; - f->fmt.pix.pixelformat = dev->fmt->fourcc; - f->fmt.pix.bytesperline = - (f->fmt.pix.width * dev->fmt->depth) >> 3; - f->fmt.pix.sizeimage = - f->fmt.pix.height * f->fmt.pix.bytesperline; - f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - return 0; -} - -static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; - const struct cx8800_fmt *fmt; - enum v4l2_field field; - unsigned int maxw, maxh; - - fmt = format_by_fourcc(f->fmt.pix.pixelformat); - if (NULL == fmt) - return -EINVAL; - - field = f->fmt.pix.field; - maxw = norm_maxw(core->tvnorm); - maxh = norm_maxh(core->tvnorm); - - if (V4L2_FIELD_ANY == field) { - field = (f->fmt.pix.height > maxh/2) - ? V4L2_FIELD_INTERLACED - : V4L2_FIELD_BOTTOM; - } - - switch (field) { - case V4L2_FIELD_TOP: - case V4L2_FIELD_BOTTOM: - maxh = maxh / 2; - break; - case V4L2_FIELD_INTERLACED: - break; - default: - return -EINVAL; - } - - f->fmt.pix.field = field; - v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, - &f->fmt.pix.height, 32, maxh, 0, 0); - f->fmt.pix.bytesperline = - (f->fmt.pix.width * fmt->depth) >> 3; - f->fmt.pix.sizeimage = - f->fmt.pix.height * f->fmt.pix.bytesperline; - - return 0; -} - -static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct cx8800_fh *fh = priv; - struct cx8800_dev *dev = fh->dev; - int err = vidioc_try_fmt_vid_cap (file,priv,f); - - if (0 != err) - return err; - dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); - dev->width = f->fmt.pix.width; - dev->height = f->fmt.pix.height; - fh->vidq.field = f->fmt.pix.field; - return 0; -} - -void cx88_querycap(struct file *file, struct cx88_core *core, - struct v4l2_capability *cap) -{ - struct video_device *vdev = video_devdata(file); - - strlcpy(cap->card, core->board.name, sizeof(cap->card)); - cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; - if (UNSET != core->board.tuner_type) - cap->device_caps |= V4L2_CAP_TUNER; - switch (vdev->vfl_type) { - case VFL_TYPE_RADIO: - cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; - break; - case VFL_TYPE_GRABBER: - cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; - break; - case VFL_TYPE_VBI: - cap->device_caps |= V4L2_CAP_VBI_CAPTURE; - break; - } - cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS; - if (core->board.radio.type == CX88_RADIO) - cap->capabilities |= V4L2_CAP_RADIO; -} -EXPORT_SYMBOL(cx88_querycap); - -static int vidioc_querycap(struct file *file, void *priv, - struct v4l2_capability *cap) -{ - struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev; - struct cx88_core *core = dev->core; - - strcpy(cap->driver, "cx8800"); - sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); - cx88_querycap(file, core, cap); - return 0; -} - -static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - if (unlikely(f->index >= ARRAY_SIZE(formats))) - return -EINVAL; - - strlcpy(f->description,formats[f->index].name,sizeof(f->description)); - f->pixelformat = formats[f->index].fourcc; - - return 0; -} - -static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p) -{ - return videobuf_reqbufs(get_queue(file), p); -} - -static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p) -{ - return videobuf_querybuf(get_queue(file), p); -} - -static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) -{ - return videobuf_qbuf(get_queue(file), p); -} - -static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) -{ - return videobuf_dqbuf(get_queue(file), p, - file->f_flags & O_NONBLOCK); -} - -static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct video_device *vdev = video_devdata(file); - struct cx8800_fh *fh = priv; - struct cx8800_dev *dev = fh->dev; - - if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) || - (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE)) - return -EINVAL; - - if (unlikely(!res_get(dev, fh, get_resource(file)))) - return -EBUSY; - return videobuf_streamon(get_queue(file)); -} - -static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct video_device *vdev = video_devdata(file); - struct cx8800_fh *fh = priv; - struct cx8800_dev *dev = fh->dev; - int err, res; - - if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) || - (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE)) - return -EINVAL; - - res = get_resource(file); - err = videobuf_streamoff(get_queue(file)); - if (err < 0) - return err; - res_free(dev,fh,res); - return 0; -} - -static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm) -{ - struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; - - *tvnorm = core->tvnorm; - return 0; -} - -static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms) -{ - struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; - - mutex_lock(&core->lock); - cx88_set_tvnorm(core,*tvnorms); - mutex_unlock(&core->lock); - - return 0; -} - -/* only one input in this sample driver */ -int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i) -{ - static const char * const iname[] = { - [ CX88_VMUX_COMPOSITE1 ] = "Composite1", - [ CX88_VMUX_COMPOSITE2 ] = "Composite2", - [ CX88_VMUX_COMPOSITE3 ] = "Composite3", - [ CX88_VMUX_COMPOSITE4 ] = "Composite4", - [ CX88_VMUX_SVIDEO ] = "S-Video", - [ CX88_VMUX_TELEVISION ] = "Television", - [ CX88_VMUX_CABLE ] = "Cable TV", - [ CX88_VMUX_DVB ] = "DVB", - [ CX88_VMUX_DEBUG ] = "for debug only", - }; - unsigned int n = i->index; - - if (n >= 4) - return -EINVAL; - if (0 == INPUT(n).type) - return -EINVAL; - i->type = V4L2_INPUT_TYPE_CAMERA; - strcpy(i->name,iname[INPUT(n).type]); - if ((CX88_VMUX_TELEVISION == INPUT(n).type) || - (CX88_VMUX_CABLE == INPUT(n).type)) { - i->type = V4L2_INPUT_TYPE_TUNER; - } - i->std = CX88_NORMS; - return 0; -} -EXPORT_SYMBOL(cx88_enum_input); - -static int vidioc_enum_input (struct file *file, void *priv, - struct v4l2_input *i) -{ - struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; - return cx88_enum_input (core,i); -} - -static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) -{ - struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; - - *i = core->input; - return 0; -} - -static int vidioc_s_input (struct file *file, void *priv, unsigned int i) -{ - struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; - - if (i >= 4) - return -EINVAL; - if (0 == INPUT(i).type) - return -EINVAL; - - mutex_lock(&core->lock); - cx88_newstation(core); - cx88_video_mux(core,i); - mutex_unlock(&core->lock); - return 0; -} - -static int vidioc_g_tuner (struct file *file, void *priv, - struct v4l2_tuner *t) -{ - struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; - u32 reg; - - if (unlikely(UNSET == core->board.tuner_type)) - return -EINVAL; - if (0 != t->index) - return -EINVAL; - - strcpy(t->name, "Television"); - t->capability = V4L2_TUNER_CAP_NORM; - t->rangehigh = 0xffffffffUL; - call_all(core, tuner, g_tuner, t); - - cx88_get_stereo(core ,t); - reg = cx_read(MO_DEVICE_STATUS); - t->signal = (reg & (1<<5)) ? 0xffff : 0x0000; - return 0; -} - -static int vidioc_s_tuner (struct file *file, void *priv, - struct v4l2_tuner *t) -{ - struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; - - if (UNSET == core->board.tuner_type) - return -EINVAL; - if (0 != t->index) - return -EINVAL; - - cx88_set_stereo(core, t->audmode, 1); - return 0; -} - -static int vidioc_g_frequency (struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct cx8800_fh *fh = priv; - struct cx88_core *core = fh->dev->core; - - if (unlikely(UNSET == core->board.tuner_type)) - return -EINVAL; - if (f->tuner) - return -EINVAL; - - f->frequency = core->freq; - - call_all(core, tuner, g_frequency, f); - - return 0; -} - -int cx88_set_freq (struct cx88_core *core, - struct v4l2_frequency *f) -{ - if (unlikely(UNSET == core->board.tuner_type)) - return -EINVAL; - if (unlikely(f->tuner != 0)) - return -EINVAL; - - mutex_lock(&core->lock); - cx88_newstation(core); - call_all(core, tuner, s_frequency, f); - call_all(core, tuner, g_frequency, f); - core->freq = f->frequency; - - /* When changing channels it is required to reset TVAUDIO */ - msleep (10); - cx88_set_tvaudio(core); - - mutex_unlock(&core->lock); - - return 0; -} -EXPORT_SYMBOL(cx88_set_freq); - -static int vidioc_s_frequency (struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct cx8800_fh *fh = priv; - struct cx88_core *core = fh->dev->core; - - return cx88_set_freq(core, f); -} - -static int vidioc_g_chip_ident(struct file *file, void *priv, - struct v4l2_dbg_chip_ident *chip) -{ - if (!v4l2_chip_match_host(&chip->match)) - return -EINVAL; - chip->revision = 0; - chip->ident = V4L2_IDENT_UNKNOWN; - return 0; -} - -#ifdef CONFIG_VIDEO_ADV_DEBUG -static int vidioc_g_register (struct file *file, void *fh, - struct v4l2_dbg_register *reg) -{ - struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core; - - if (!v4l2_chip_match_host(®->match)) - return -EINVAL; - /* cx2388x has a 24-bit register space */ - reg->val = cx_read(reg->reg & 0xffffff); - reg->size = 4; - return 0; -} - -static int vidioc_s_register (struct file *file, void *fh, - struct v4l2_dbg_register *reg) -{ - struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core; - - if (!v4l2_chip_match_host(®->match)) - return -EINVAL; - cx_write(reg->reg & 0xffffff, reg->val); - return 0; -} -#endif - -/* ----------------------------------------------------------- */ -/* RADIO ESPECIFIC IOCTLS */ -/* ----------------------------------------------------------- */ - -static int radio_g_tuner (struct file *file, void *priv, - struct v4l2_tuner *t) -{ - struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; - - if (unlikely(t->index > 0)) - return -EINVAL; - - strcpy(t->name, "Radio"); - - call_all(core, tuner, g_tuner, t); - return 0; -} - -/* FIXME: Should add a standard for radio */ - -static int radio_s_tuner (struct file *file, void *priv, - struct v4l2_tuner *t) -{ - struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; - - if (0 != t->index) - return -EINVAL; - if (t->audmode > V4L2_TUNER_MODE_STEREO) - t->audmode = V4L2_TUNER_MODE_STEREO; - - call_all(core, tuner, s_tuner, t); - - return 0; -} - -/* ----------------------------------------------------------- */ - -static void cx8800_vid_timeout(unsigned long data) -{ - struct cx8800_dev *dev = (struct cx8800_dev*)data; - struct cx88_core *core = dev->core; - struct cx88_dmaqueue *q = &dev->vidq; - struct cx88_buffer *buf; - unsigned long flags; - - cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]); - - cx_clear(MO_VID_DMACNTRL, 0x11); - cx_clear(VID_CAPTURE_CONTROL, 0x06); - - spin_lock_irqsave(&dev->slock,flags); - while (!list_empty(&q->active)) { - buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); - list_del(&buf->vb.queue); - buf->vb.state = VIDEOBUF_ERROR; - wake_up(&buf->vb.done); - printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name, - buf, buf->vb.i, (unsigned long)buf->risc.dma); - } - restart_video_queue(dev,q); - spin_unlock_irqrestore(&dev->slock,flags); -} - -static const char *cx88_vid_irqs[32] = { - "y_risci1", "u_risci1", "v_risci1", "vbi_risc1", - "y_risci2", "u_risci2", "v_risci2", "vbi_risc2", - "y_oflow", "u_oflow", "v_oflow", "vbi_oflow", - "y_sync", "u_sync", "v_sync", "vbi_sync", - "opc_err", "par_err", "rip_err", "pci_abort", -}; - -static void cx8800_vid_irq(struct cx8800_dev *dev) -{ - struct cx88_core *core = dev->core; - u32 status, mask, count; - - status = cx_read(MO_VID_INTSTAT); - mask = cx_read(MO_VID_INTMSK); - if (0 == (status & mask)) - return; - cx_write(MO_VID_INTSTAT, status); - if (irq_debug || (status & mask & ~0xff)) - cx88_print_irqbits(core->name, "irq vid", - cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs), - status, mask); - - /* risc op code error */ - if (status & (1 << 16)) { - printk(KERN_WARNING "%s/0: video risc op code error\n",core->name); - cx_clear(MO_VID_DMACNTRL, 0x11); - cx_clear(VID_CAPTURE_CONTROL, 0x06); - cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]); - } - - /* risc1 y */ - if (status & 0x01) { - spin_lock(&dev->slock); - count = cx_read(MO_VIDY_GPCNT); - cx88_wakeup(core, &dev->vidq, count); - spin_unlock(&dev->slock); - } - - /* risc1 vbi */ - if (status & 0x08) { - spin_lock(&dev->slock); - count = cx_read(MO_VBI_GPCNT); - cx88_wakeup(core, &dev->vbiq, count); - spin_unlock(&dev->slock); - } - - /* risc2 y */ - if (status & 0x10) { - dprintk(2,"stopper video\n"); - spin_lock(&dev->slock); - restart_video_queue(dev,&dev->vidq); - spin_unlock(&dev->slock); - } - - /* risc2 vbi */ - if (status & 0x80) { - dprintk(2,"stopper vbi\n"); - spin_lock(&dev->slock); - cx8800_restart_vbi_queue(dev,&dev->vbiq); - spin_unlock(&dev->slock); - } -} - -static irqreturn_t cx8800_irq(int irq, void *dev_id) -{ - struct cx8800_dev *dev = dev_id; - struct cx88_core *core = dev->core; - u32 status; - int loop, handled = 0; - - for (loop = 0; loop < 10; loop++) { - status = cx_read(MO_PCI_INTSTAT) & - (core->pci_irqmask | PCI_INT_VIDINT); - if (0 == status) - goto out; - cx_write(MO_PCI_INTSTAT, status); - handled = 1; - - if (status & core->pci_irqmask) - cx88_core_irq(core,status); - if (status & PCI_INT_VIDINT) - cx8800_vid_irq(dev); - }; - if (10 == loop) { - printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", - core->name); - cx_write(MO_PCI_INTMSK,0); - } - - out: - return IRQ_RETVAL(handled); -} - -/* ----------------------------------------------------------- */ -/* exported stuff */ - -static const struct v4l2_file_operations video_fops = -{ - .owner = THIS_MODULE, - .open = video_open, - .release = video_release, - .read = video_read, - .poll = video_poll, - .mmap = video_mmap, - .unlocked_ioctl = video_ioctl2, -}; - -static const struct v4l2_ioctl_ops video_ioctl_ops = { - .vidioc_querycap = vidioc_querycap, - .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, - .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, - .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, - .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, - .vidioc_g_std = vidioc_g_std, - .vidioc_s_std = vidioc_s_std, - .vidioc_enum_input = vidioc_enum_input, - .vidioc_g_input = vidioc_g_input, - .vidioc_s_input = vidioc_s_input, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, - .vidioc_g_tuner = vidioc_g_tuner, - .vidioc_s_tuner = vidioc_s_tuner, - .vidioc_g_frequency = vidioc_g_frequency, - .vidioc_s_frequency = vidioc_s_frequency, - .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, - .vidioc_unsubscribe_event = v4l2_event_unsubscribe, - .vidioc_g_chip_ident = vidioc_g_chip_ident, -#ifdef CONFIG_VIDEO_ADV_DEBUG - .vidioc_g_register = vidioc_g_register, - .vidioc_s_register = vidioc_s_register, -#endif -}; - -static const struct video_device cx8800_video_template = { - .name = "cx8800-video", - .fops = &video_fops, - .ioctl_ops = &video_ioctl_ops, - .tvnorms = CX88_NORMS, -}; - -static const struct v4l2_ioctl_ops vbi_ioctl_ops = { - .vidioc_querycap = vidioc_querycap, - .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt, - .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt, - .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt, - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, - .vidioc_g_std = vidioc_g_std, - .vidioc_s_std = vidioc_s_std, - .vidioc_enum_input = vidioc_enum_input, - .vidioc_g_input = vidioc_g_input, - .vidioc_s_input = vidioc_s_input, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, - .vidioc_g_tuner = vidioc_g_tuner, - .vidioc_s_tuner = vidioc_s_tuner, - .vidioc_g_frequency = vidioc_g_frequency, - .vidioc_s_frequency = vidioc_s_frequency, - .vidioc_g_chip_ident = vidioc_g_chip_ident, -#ifdef CONFIG_VIDEO_ADV_DEBUG - .vidioc_g_register = vidioc_g_register, - .vidioc_s_register = vidioc_s_register, -#endif -}; - -static const struct video_device cx8800_vbi_template = { - .name = "cx8800-vbi", - .fops = &video_fops, - .ioctl_ops = &vbi_ioctl_ops, - .tvnorms = CX88_NORMS, -}; - -static const struct v4l2_file_operations radio_fops = -{ - .owner = THIS_MODULE, - .open = video_open, - .poll = v4l2_ctrl_poll, - .release = video_release, - .unlocked_ioctl = video_ioctl2, -}; - -static const struct v4l2_ioctl_ops radio_ioctl_ops = { - .vidioc_querycap = vidioc_querycap, - .vidioc_g_tuner = radio_g_tuner, - .vidioc_s_tuner = radio_s_tuner, - .vidioc_g_frequency = vidioc_g_frequency, - .vidioc_s_frequency = vidioc_s_frequency, - .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, - .vidioc_unsubscribe_event = v4l2_event_unsubscribe, - .vidioc_g_chip_ident = vidioc_g_chip_ident, -#ifdef CONFIG_VIDEO_ADV_DEBUG - .vidioc_g_register = vidioc_g_register, - .vidioc_s_register = vidioc_s_register, -#endif -}; - -static const struct video_device cx8800_radio_template = { - .name = "cx8800-radio", - .fops = &radio_fops, - .ioctl_ops = &radio_ioctl_ops, -}; - -static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = { - .s_ctrl = cx8800_s_vid_ctrl, -}; - -static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = { - .s_ctrl = cx8800_s_aud_ctrl, -}; - -/* ----------------------------------------------------------- */ - -static void cx8800_unregister_video(struct cx8800_dev *dev) -{ - if (dev->radio_dev) { - if (video_is_registered(dev->radio_dev)) - video_unregister_device(dev->radio_dev); - else - video_device_release(dev->radio_dev); - dev->radio_dev = NULL; - } - if (dev->vbi_dev) { - if (video_is_registered(dev->vbi_dev)) - video_unregister_device(dev->vbi_dev); - else - video_device_release(dev->vbi_dev); - dev->vbi_dev = NULL; - } - if (dev->video_dev) { - if (video_is_registered(dev->video_dev)) - video_unregister_device(dev->video_dev); - else - video_device_release(dev->video_dev); - dev->video_dev = NULL; - } -} - -static int __devinit cx8800_initdev(struct pci_dev *pci_dev, - const struct pci_device_id *pci_id) -{ - struct cx8800_dev *dev; - struct cx88_core *core; - int err; - int i; - - dev = kzalloc(sizeof(*dev),GFP_KERNEL); - if (NULL == dev) - return -ENOMEM; - - /* pci init */ - dev->pci = pci_dev; - if (pci_enable_device(pci_dev)) { - err = -EIO; - goto fail_free; - } - core = cx88_core_get(dev->pci); - if (NULL == core) { - err = -EINVAL; - goto fail_free; - } - dev->core = core; - - /* print pci info */ - dev->pci_rev = pci_dev->revision; - pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); - printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " - "latency: %d, mmio: 0x%llx\n", core->name, - pci_name(pci_dev), dev->pci_rev, pci_dev->irq, - dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0)); - - pci_set_master(pci_dev); - if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) { - printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name); - err = -EIO; - goto fail_core; - } - - /* initialize driver struct */ - spin_lock_init(&dev->slock); - core->tvnorm = V4L2_STD_NTSC_M; - - /* init video dma queues */ - INIT_LIST_HEAD(&dev->vidq.active); - INIT_LIST_HEAD(&dev->vidq.queued); - dev->vidq.timeout.function = cx8800_vid_timeout; - dev->vidq.timeout.data = (unsigned long)dev; - init_timer(&dev->vidq.timeout); - cx88_risc_stopper(dev->pci,&dev->vidq.stopper, - MO_VID_DMACNTRL,0x11,0x00); - - /* init vbi dma queues */ - INIT_LIST_HEAD(&dev->vbiq.active); - INIT_LIST_HEAD(&dev->vbiq.queued); - dev->vbiq.timeout.function = cx8800_vbi_timeout; - dev->vbiq.timeout.data = (unsigned long)dev; - init_timer(&dev->vbiq.timeout); - cx88_risc_stopper(dev->pci,&dev->vbiq.stopper, - MO_VID_DMACNTRL,0x88,0x00); - - /* get irq */ - err = request_irq(pci_dev->irq, cx8800_irq, - IRQF_SHARED | IRQF_DISABLED, core->name, dev); - if (err < 0) { - printk(KERN_ERR "%s/0: can't get IRQ %d\n", - core->name,pci_dev->irq); - goto fail_core; - } - cx_set(MO_PCI_INTMSK, core->pci_irqmask); - - for (i = 0; i < CX8800_AUD_CTLS; i++) { - const struct cx88_ctrl *cc = &cx8800_aud_ctls[i]; - struct v4l2_ctrl *vc; - - vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops, - cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value); - if (vc == NULL) { - err = core->audio_hdl.error; - goto fail_core; - } - vc->priv = (void *)cc; - } - - for (i = 0; i < CX8800_VID_CTLS; i++) { - const struct cx88_ctrl *cc = &cx8800_vid_ctls[i]; - struct v4l2_ctrl *vc; - - vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops, - cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value); - if (vc == NULL) { - err = core->video_hdl.error; - goto fail_core; - } - vc->priv = (void *)cc; - if (vc->id == V4L2_CID_CHROMA_AGC) - core->chroma_agc = vc; - } - v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl); - - /* load and configure helper modules */ - - if (core->board.audio_chip == V4L2_IDENT_WM8775) { - struct i2c_board_info wm8775_info = { - .type = "wm8775", - .addr = 0x36 >> 1, - .platform_data = &core->wm8775_data, - }; - struct v4l2_subdev *sd; - - if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1) - core->wm8775_data.is_nova_s = true; - else - core->wm8775_data.is_nova_s = false; - - sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap, - &wm8775_info, NULL); - if (sd != NULL) { - core->sd_wm8775 = sd; - sd->grp_id = WM8775_GID; - } - } - - if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) { - /* This probes for a tda9874 as is used on some - Pixelview Ultra boards. */ - v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap, - "tvaudio", 0, I2C_ADDRS(0xb0 >> 1)); - } - - switch (core->boardnr) { - case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: - case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: { - static const struct i2c_board_info rtc_info = { - I2C_BOARD_INFO("isl1208", 0x6f) - }; - - request_module("rtc-isl1208"); - core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info); - } - /* break intentionally omitted */ - case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: - request_module("ir-kbd-i2c"); - } - - /* Sets device info at pci_dev */ - pci_set_drvdata(pci_dev, dev); - - dev->width = 320; - dev->height = 240; - dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); - - /* initial device configuration */ - mutex_lock(&core->lock); - cx88_set_tvnorm(core, core->tvnorm); - v4l2_ctrl_handler_setup(&core->video_hdl); - v4l2_ctrl_handler_setup(&core->audio_hdl); - cx88_video_mux(core, 0); - - /* register v4l devices */ - dev->video_dev = cx88_vdev_init(core,dev->pci, - &cx8800_video_template,"video"); - video_set_drvdata(dev->video_dev, dev); - dev->video_dev->ctrl_handler = &core->video_hdl; - err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, - video_nr[core->nr]); - if (err < 0) { - printk(KERN_ERR "%s/0: can't register video device\n", - core->name); - goto fail_unreg; - } - printk(KERN_INFO "%s/0: registered device %s [v4l2]\n", - core->name, video_device_node_name(dev->video_dev)); - - dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi"); - video_set_drvdata(dev->vbi_dev, dev); - err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, - vbi_nr[core->nr]); - if (err < 0) { - printk(KERN_ERR "%s/0: can't register vbi device\n", - core->name); - goto fail_unreg; - } - printk(KERN_INFO "%s/0: registered device %s\n", - core->name, video_device_node_name(dev->vbi_dev)); - - if (core->board.radio.type == CX88_RADIO) { - dev->radio_dev = cx88_vdev_init(core,dev->pci, - &cx8800_radio_template,"radio"); - video_set_drvdata(dev->radio_dev, dev); - dev->radio_dev->ctrl_handler = &core->audio_hdl; - err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, - radio_nr[core->nr]); - if (err < 0) { - printk(KERN_ERR "%s/0: can't register radio device\n", - core->name); - goto fail_unreg; - } - printk(KERN_INFO "%s/0: registered device %s\n", - core->name, video_device_node_name(dev->radio_dev)); - } - - /* start tvaudio thread */ - if (core->board.tuner_type != TUNER_ABSENT) { - core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio"); - if (IS_ERR(core->kthread)) { - err = PTR_ERR(core->kthread); - printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n", - core->name, err); - } - } - mutex_unlock(&core->lock); - - return 0; - -fail_unreg: - cx8800_unregister_video(dev); - free_irq(pci_dev->irq, dev); - mutex_unlock(&core->lock); -fail_core: - cx88_core_put(core,dev->pci); -fail_free: - kfree(dev); - return err; -} - -static void __devexit cx8800_finidev(struct pci_dev *pci_dev) -{ - struct cx8800_dev *dev = pci_get_drvdata(pci_dev); - struct cx88_core *core = dev->core; - - /* stop thread */ - if (core->kthread) { - kthread_stop(core->kthread); - core->kthread = NULL; - } - - if (core->ir) - cx88_ir_stop(core); - - cx88_shutdown(core); /* FIXME */ - pci_disable_device(pci_dev); - - /* unregister stuff */ - - free_irq(pci_dev->irq, dev); - cx8800_unregister_video(dev); - pci_set_drvdata(pci_dev, NULL); - - /* free memory */ - btcx_riscmem_free(dev->pci,&dev->vidq.stopper); - cx88_core_put(core,dev->pci); - kfree(dev); -} - -#ifdef CONFIG_PM -static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state) -{ - struct cx8800_dev *dev = pci_get_drvdata(pci_dev); - struct cx88_core *core = dev->core; - - /* stop video+vbi capture */ - spin_lock(&dev->slock); - if (!list_empty(&dev->vidq.active)) { - printk("%s/0: suspend video\n", core->name); - stop_video_dma(dev); - del_timer(&dev->vidq.timeout); - } - if (!list_empty(&dev->vbiq.active)) { - printk("%s/0: suspend vbi\n", core->name); - cx8800_stop_vbi_dma(dev); - del_timer(&dev->vbiq.timeout); - } - spin_unlock(&dev->slock); - - if (core->ir) - cx88_ir_stop(core); - /* FIXME -- shutdown device */ - cx88_shutdown(core); - - pci_save_state(pci_dev); - if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { - pci_disable_device(pci_dev); - dev->state.disabled = 1; - } - return 0; -} - -static int cx8800_resume(struct pci_dev *pci_dev) -{ - struct cx8800_dev *dev = pci_get_drvdata(pci_dev); - struct cx88_core *core = dev->core; - int err; - - if (dev->state.disabled) { - err=pci_enable_device(pci_dev); - if (err) { - printk(KERN_ERR "%s/0: can't enable device\n", - core->name); - return err; - } - - dev->state.disabled = 0; - } - err= pci_set_power_state(pci_dev, PCI_D0); - if (err) { - printk(KERN_ERR "%s/0: can't set power state\n", core->name); - pci_disable_device(pci_dev); - dev->state.disabled = 1; - - return err; - } - pci_restore_state(pci_dev); - - /* FIXME: re-initialize hardware */ - cx88_reset(core); - if (core->ir) - cx88_ir_start(core); - - cx_set(MO_PCI_INTMSK, core->pci_irqmask); - - /* restart video+vbi capture */ - spin_lock(&dev->slock); - if (!list_empty(&dev->vidq.active)) { - printk("%s/0: resume video\n", core->name); - restart_video_queue(dev,&dev->vidq); - } - if (!list_empty(&dev->vbiq.active)) { - printk("%s/0: resume vbi\n", core->name); - cx8800_restart_vbi_queue(dev,&dev->vbiq); - } - spin_unlock(&dev->slock); - - return 0; -} -#endif - -/* ----------------------------------------------------------- */ - -static const struct pci_device_id cx8800_pci_tbl[] = { - { - .vendor = 0x14f1, - .device = 0x8800, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - },{ - /* --- end of list --- */ - } -}; -MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl); - -static struct pci_driver cx8800_pci_driver = { - .name = "cx8800", - .id_table = cx8800_pci_tbl, - .probe = cx8800_initdev, - .remove = __devexit_p(cx8800_finidev), -#ifdef CONFIG_PM - .suspend = cx8800_suspend, - .resume = cx8800_resume, -#endif -}; - -static int __init cx8800_init(void) -{ - printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %s loaded\n", - CX88_VERSION); - return pci_register_driver(&cx8800_pci_driver); -} - -static void __exit cx8800_fini(void) -{ - pci_unregister_driver(&cx8800_pci_driver); -} - -module_init(cx8800_init); -module_exit(cx8800_fini); |
