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path: root/drivers/media/video/cx88/cx88-video.c
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-rw-r--r--drivers/media/video/cx88/cx88-video.c2277
1 files changed, 2277 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
new file mode 100644
index 000000000000..701f594e1816
--- /dev/null
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -0,0 +1,2277 @@
+/*
+ * $Id: cx88-video.c,v 1.58 2005/03/07 15:58:05 kraxel Exp $
+ *
+ * device driver for Conexant 2388x based TV cards
+ * video4linux video interface
+ *
+ * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
+ *
+ * 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/moduleparam.h>
+#include <linux/kmod.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/kthread.h>
+#include <asm/div64.h>
+
+#include "cx88.h"
+
+MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
+MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
+MODULE_LICENSE("GPL");
+
+/* ------------------------------------------------------------------ */
+
+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 = 0;
+module_param(video_debug,int,0644);
+MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
+
+static unsigned int irq_debug = 0;
+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, dev->core->name , ## arg)
+
+/* ------------------------------------------------------------------ */
+
+static LIST_HEAD(cx8800_devlist);
+
+/* ------------------------------------------------------------------- */
+/* static data */
+
+static struct cx88_tvnorm tvnorms[] = {
+ {
+ .name = "NTSC-M",
+ .id = V4L2_STD_NTSC_M,
+ .cxiformat = VideoFormatNTSC,
+ .cxoformat = 0x181f0008,
+ },{
+ .name = "NTSC-JP",
+ .id = V4L2_STD_NTSC_M_JP,
+ .cxiformat = VideoFormatNTSCJapan,
+ .cxoformat = 0x181f0008,
+#if 0
+ },{
+ .name = "NTSC-4.43",
+ .id = FIXME,
+ .cxiformat = VideoFormatNTSC443,
+ .cxoformat = 0x181f0008,
+#endif
+ },{
+ .name = "PAL-BG",
+ .id = V4L2_STD_PAL_BG,
+ .cxiformat = VideoFormatPAL,
+ .cxoformat = 0x181f0008,
+ },{
+ .name = "PAL-DK",
+ .id = V4L2_STD_PAL_DK,
+ .cxiformat = VideoFormatPAL,
+ .cxoformat = 0x181f0008,
+ },{
+ .name = "PAL-I",
+ .id = V4L2_STD_PAL_I,
+ .cxiformat = VideoFormatPAL,
+ .cxoformat = 0x181f0008,
+ },{
+ .name = "PAL-M",
+ .id = V4L2_STD_PAL_M,
+ .cxiformat = VideoFormatPALM,
+ .cxoformat = 0x1c1f0008,
+ },{
+ .name = "PAL-N",
+ .id = V4L2_STD_PAL_N,
+ .cxiformat = VideoFormatPALN,
+ .cxoformat = 0x1c1f0008,
+ },{
+ .name = "PAL-Nc",
+ .id = V4L2_STD_PAL_Nc,
+ .cxiformat = VideoFormatPALNC,
+ .cxoformat = 0x1c1f0008,
+ },{
+ .name = "PAL-60",
+ .id = V4L2_STD_PAL_60,
+ .cxiformat = VideoFormatPAL60,
+ .cxoformat = 0x181f0008,
+ },{
+ .name = "SECAM-L",
+ .id = V4L2_STD_SECAM_L,
+ .cxiformat = VideoFormatSECAM,
+ .cxoformat = 0x181f0008,
+ },{
+ .name = "SECAM-DK",
+ .id = V4L2_STD_SECAM_DK,
+ .cxiformat = VideoFormatSECAM,
+ .cxoformat = 0x181f0008,
+ }
+};
+
+static 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 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;
+}
+
+/* ------------------------------------------------------------------- */
+
+static const struct v4l2_queryctrl no_ctl = {
+ .name = "42",
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+};
+
+static struct cx88_ctrl cx8800_ctls[] = {
+ /* --- video --- */
+ {
+ .v = {
+ .id = V4L2_CID_BRIGHTNESS,
+ .name = "Brightness",
+ .minimum = 0x00,
+ .maximum = 0xff,
+ .step = 1,
+ .default_value = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ .off = 128,
+ .reg = MO_CONTR_BRIGHT,
+ .mask = 0x00ff,
+ .shift = 0,
+ },{
+ .v = {
+ .id = V4L2_CID_CONTRAST,
+ .name = "Contrast",
+ .minimum = 0,
+ .maximum = 0xff,
+ .step = 1,
+ .default_value = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ .reg = MO_CONTR_BRIGHT,
+ .mask = 0xff00,
+ .shift = 8,
+ },{
+ .v = {
+ .id = V4L2_CID_HUE,
+ .name = "Hue",
+ .minimum = 0,
+ .maximum = 0xff,
+ .step = 1,
+ .default_value = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ .off = 0,
+ .reg = MO_HUE,
+ .mask = 0x00ff,
+ .shift = 0,
+ },{
+ /* strictly, this only describes only U saturation.
+ * V saturation is handled specially through code.
+ */
+ .v = {
+ .id = V4L2_CID_SATURATION,
+ .name = "Saturation",
+ .minimum = 0,
+ .maximum = 0xff,
+ .step = 1,
+ .default_value = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ .off = 0,
+ .reg = MO_UV_SATURATION,
+ .mask = 0x00ff,
+ .shift = 0,
+ },{
+ /* --- audio --- */
+ .v = {
+ .id = V4L2_CID_AUDIO_MUTE,
+ .name = "Mute",
+ .minimum = 0,
+ .maximum = 1,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ },
+ .reg = AUD_VOL_CTL,
+ .sreg = SHADOW_AUD_VOL_CTL,
+ .mask = (1 << 6),
+ .shift = 6,
+ },{
+ .v = {
+ .id = V4L2_CID_AUDIO_VOLUME,
+ .name = "Volume",
+ .minimum = 0,
+ .maximum = 0x3f,
+ .step = 1,
+ .default_value = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ .reg = AUD_VOL_CTL,
+ .sreg = SHADOW_AUD_VOL_CTL,
+ .mask = 0x3f,
+ .shift = 0,
+ },{
+ .v = {
+ .id = V4L2_CID_AUDIO_BALANCE,
+ .name = "Balance",
+ .minimum = 0,
+ .maximum = 0x7f,
+ .step = 1,
+ .default_value = 0x40,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ .reg = AUD_BAL_CTL,
+ .sreg = SHADOW_AUD_BAL_CTL,
+ .mask = 0x7f,
+ .shift = 0,
+ }
+};
+const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
+
+/* ------------------------------------------------------------------- */
+/* resource management */
+
+static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
+{
+ if (fh->resources & bit)
+ /* have it already allocated */
+ return 1;
+
+ /* is it free? */
+ down(&dev->lock);
+ if (dev->resources & bit) {
+ /* no, someone else uses it */
+ up(&dev->lock);
+ return 0;
+ }
+ /* it's free, grab it */
+ fh->resources |= bit;
+ dev->resources |= bit;
+ dprintk(1,"res: get %d\n",bit);
+ up(&dev->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)
+{
+ if ((fh->resources & bits) != bits)
+ BUG();
+
+ down(&dev->lock);
+ fh->resources &= ~bits;
+ dev->resources &= ~bits;
+ dprintk(1,"res: put %d\n",bits);
+ up(&dev->lock);
+}
+
+/* ------------------------------------------------------------------ */
+
+static int video_mux(struct cx8800_dev *dev, 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);
+ dev->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;
+ }
+ return 0;
+}
+
+/* ------------------------------------------------------------------ */
+
+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(dev->core, &cx88_sram_channels[SRAM_CH21],
+ buf->bpl, buf->risc.dma);
+ cx88_set_scale(dev->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 | 0x01);
+ 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);
+
+ return 0;
+}
+
+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, 0x000001);
+ cx_clear(MO_VID_INTMSK, 0x0f0011);
+ return 0;
+}
+
+static int restart_video_queue(struct cx8800_dev *dev,
+ struct cx88_dmaqueue *q)
+{
+ struct cx88_buffer *buf, *prev;
+ struct list_head *item;
+
+ 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(item,&q->active) {
+ buf = list_entry(item, struct cx88_buffer, 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_del(&buf->vb.queue);
+ list_add_tail(&buf->vb.queue,&q->active);
+ start_video_dma(dev, q, buf);
+ buf->vb.state = STATE_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_del(&buf->vb.queue);
+ list_add_tail(&buf->vb.queue,&q->active);
+ buf->vb.state = STATE_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;
+
+ *size = fh->fmt->depth*fh->width*fh->height >> 3;
+ if (0 == *count)
+ *count = 32;
+ while (*size * *count > vid_limit * 1024 * 1024)
+ (*count)--;
+ 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_buffer *buf = container_of(vb,struct cx88_buffer,vb);
+ int rc, init_buffer = 0;
+
+ BUG_ON(NULL == fh->fmt);
+ if (fh->width < 48 || fh->width > norm_maxw(dev->core->tvnorm) ||
+ fh->height < 32 || fh->height > norm_maxh(dev->core->tvnorm))
+ return -EINVAL;
+ buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
+ if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
+ return -EINVAL;
+
+ if (buf->fmt != fh->fmt ||
+ buf->vb.width != fh->width ||
+ buf->vb.height != fh->height ||
+ buf->vb.field != field) {
+ buf->fmt = fh->fmt;
+ buf->vb.width = fh->width;
+ buf->vb.height = fh->height;
+ buf->vb.field = field;
+ init_buffer = 1;
+ }
+
+ if (STATE_NEEDS_INIT == buf->vb.state) {
+ init_buffer = 1;
+ if (0 != (rc = videobuf_iolock(dev->pci,&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,
+ buf->vb.dma.sglist, 0, UNSET,
+ buf->bpl, 0, buf->vb.height);
+ break;
+ case V4L2_FIELD_BOTTOM:
+ cx88_risc_buffer(dev->pci, &buf->risc,
+ buf->vb.dma.sglist, UNSET, 0,
+ buf->bpl, 0, buf->vb.height);
+ break;
+ case V4L2_FIELD_INTERLACED:
+ cx88_risc_buffer(dev->pci, &buf->risc,
+ buf->vb.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,
+ buf->vb.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,
+ buf->vb.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,
+ fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
+ (unsigned long)buf->risc.dma);
+
+ buf->vb.state = STATE_PREPARED;
+ return 0;
+
+ fail:
+ cx88_free_buffer(dev->pci,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_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 = STATE_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 = STATE_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 = STATE_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 = STATE_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);
+ struct cx8800_fh *fh = q->priv_data;
+
+ cx88_free_buffer(fh->dev->pci,buf);
+}
+
+struct videobuf_queue_ops cx8800_video_qops = {
+ .buf_setup = buffer_setup,
+ .buf_prepare = buffer_prepare,
+ .buf_queue = buffer_queue,
+ .buf_release = buffer_release,
+};
+
+/* ------------------------------------------------------------------ */
+
+#if 0 /* overlay support not finished yet */
+static u32* ov_risc_field(struct cx8800_dev *dev, struct cx8800_fh *fh,
+ u32 *rp, struct btcx_skiplist *skips,
+ u32 sync_line, int skip_even, int skip_odd)
+{
+ int line,maxy,start,end,skip,nskips;
+ u32 ri,ra;
+ u32 addr;
+
+ /* sync instruction */
+ *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
+
+ addr = (unsigned long)dev->fbuf.base;
+ addr += dev->fbuf.fmt.bytesperline * fh->win.w.top;
+ addr += (fh->fmt->depth >> 3) * fh->win.w.left;
+
+ /* scan lines */
+ for (maxy = -1, line = 0; line < fh->win.w.height;
+ line++, addr += dev->fbuf.fmt.bytesperline) {
+ if ((line%2) == 0 && skip_even)
+ continue;
+ if ((line%2) == 1 && skip_odd)
+ continue;
+
+ /* calculate clipping */
+ if (line > maxy)
+ btcx_calc_skips(line, fh->win.w.width, &maxy,
+ skips, &nskips, fh->clips, fh->nclips);
+
+ /* write out risc code */
+ for (start = 0, skip = 0; start < fh->win.w.width; start = end) {
+ if (skip >= nskips) {
+ ri = RISC_WRITE;
+ end = fh->win.w.width;
+ } else if (start < skips[skip].start) {
+ ri = RISC_WRITE;
+ end = skips[skip].start;
+ } else {
+ ri = RISC_SKIP;
+ end = skips[skip].end;
+ skip++;
+ }
+ if (RISC_WRITE == ri)
+ ra = addr + (fh->fmt->depth>>3)*start;
+ else
+ ra = 0;
+
+ if (0 == start)
+ ri |= RISC_SOL;
+ if (fh->win.w.width == end)
+ ri |= RISC_EOL;
+ ri |= (fh->fmt->depth>>3) * (end-start);
+
+ *(rp++)=cpu_to_le32(ri);
+ if (0 != ra)
+ *(rp++)=cpu_to_le32(ra);
+ }
+ }
+ kfree(skips);
+ return rp;
+}
+
+static int ov_risc_frame(struct cx8800_dev *dev, struct cx8800_fh *fh,
+ struct cx88_buffer *buf)
+{
+ struct btcx_skiplist *skips;
+ u32 instructions,fields;
+ u32 *rp;
+ int rc;
+
+ /* skip list for window clipping */
+ if (NULL == (skips = kmalloc(sizeof(*skips) * fh->nclips,GFP_KERNEL)))
+ return -ENOMEM;
+
+ fields = 0;
+ if (V4L2_FIELD_HAS_TOP(fh->win.field))
+ fields++;
+ if (V4L2_FIELD_HAS_BOTTOM(fh->win.field))
+ fields++;
+
+ /* estimate risc mem: worst case is (clip+1) * lines instructions
+ + syncs + jump (all 2 dwords) */
+ instructions = (fh->nclips+1) * fh->win.w.height;
+ instructions += 3 + 4;
+ if ((rc = btcx_riscmem_alloc(dev->pci,&buf->risc,instructions*8)) < 0) {
+ kfree(skips);
+ return rc;
+ }
+
+ /* write risc instructions */
+ rp = buf->risc.cpu;
+ switch (fh->win.field) {
+ case V4L2_FIELD_TOP:
+ rp = ov_risc_field(dev, fh, rp, skips, 0, 0, 0);
+ break;
+ case V4L2_FIELD_BOTTOM:
+ rp = ov_risc_field(dev, fh, rp, skips, 0x200, 0, 0);
+ break;
+ case V4L2_FIELD_INTERLACED:
+ rp = ov_risc_field(dev, fh, rp, skips, 0, 0, 1);
+ rp = ov_risc_field(dev, fh, rp, skips, 0x200, 1, 0);
+ break;
+ default:
+ BUG();
+ }
+
+ /* save pointer to jmp instruction address */
+ buf->risc.jmp = rp;
+ kfree(skips);
+ return 0;
+}
+
+static int verify_window(struct cx8800_dev *dev, struct v4l2_window *win)
+{
+ enum v4l2_field field;
+ int maxw, maxh;
+
+ if (NULL == dev->fbuf.base)
+ return -EINVAL;
+ if (win->w.width < 48 || win->w.height < 32)
+ return -EINVAL;
+ if (win->clipcount > 2048)
+ return -EINVAL;
+
+ field = win->field;
+ maxw = norm_maxw(core->tvnorm);
+ maxh = norm_maxh(core->tvnorm);
+
+ if (V4L2_FIELD_ANY == field) {
+ field = (win->w.height > maxh/2)
+ ? V4L2_FIELD_INTERLACED
+ : V4L2_FIELD_TOP;
+ }
+ switch (field) {
+ case V4L2_FIELD_TOP:
+ case V4L2_FIELD_BOTTOM:
+ maxh = maxh / 2;
+ break;
+ case V4L2_FIELD_INTERLACED:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ win->field = field;
+ if (win->w.width > maxw)
+ win->w.width = maxw;
+ if (win->w.height > maxh)
+ win->w.height = maxh;
+ return 0;
+}
+
+static int setup_window(struct cx8800_dev *dev, struct cx8800_fh *fh,
+ struct v4l2_window *win)
+{
+ struct v4l2_clip *clips = NULL;
+ int n,size,retval = 0;
+
+ if (NULL == fh->fmt)
+ return -EINVAL;
+ retval = verify_window(dev,win);
+ if (0 != retval)
+ return retval;
+
+ /* copy clips -- luckily v4l1 + v4l2 are binary
+ compatible here ...*/
+ n = win->clipcount;
+ size = sizeof(*clips)*(n+4);
+ clips = kmalloc(size,GFP_KERNEL);
+ if (NULL == clips)
+ return -ENOMEM;
+ if (n > 0) {
+ if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) {
+ kfree(clips);
+ return -EFAULT;
+ }
+ }
+
+ /* clip against screen */
+ if (NULL != dev->fbuf.base)
+ n = btcx_screen_clips(dev->fbuf.fmt.width, dev->fbuf.fmt.height,
+ &win->w, clips, n);
+ btcx_sort_clips(clips,n);
+
+ /* 4-byte alignments */
+ switch (fh->fmt->depth) {
+ case 8:
+ case 24:
+ btcx_align(&win->w, clips, n, 3);
+ break;
+ case 16:
+ btcx_align(&win->w, clips, n, 1);
+ break;
+ case 32:
+ /* no alignment fixups needed */
+ break;
+ default:
+ BUG();
+ }
+
+ down(&fh->vidq.lock);
+ if (fh->clips)
+ kfree(fh->clips);
+ fh->clips = clips;
+ fh->nclips = n;
+ fh->win = *win;
+#if 0
+ fh->ov.setup_ok = 1;
+#endif
+
+ /* update overlay if needed */
+ retval = 0;
+#if 0
+ if (check_btres(fh, RESOURCE_OVERLAY)) {
+ struct bttv_buffer *new;
+
+ new = videobuf_alloc(sizeof(*new));
+ bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
+ retval = bttv_switch_overlay(btv,fh,new);
+ }
+#endif
+ up(&fh->vidq.lock);
+ return retval;
+}
+#endif
+
+/* ------------------------------------------------------------------ */
+
+static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
+{
+ switch (fh->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ return &fh->vidq;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ return &fh->vbiq;
+ default:
+ BUG();
+ return NULL;
+ }
+}
+
+static int get_ressource(struct cx8800_fh *fh)
+{
+ switch (fh->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ return RESOURCE_VIDEO;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ return RESOURCE_VBI;
+ default:
+ BUG();
+ return 0;
+ }
+}
+
+static int video_open(struct inode *inode, struct file *file)
+{
+ int minor = iminor(inode);
+ struct cx8800_dev *h,*dev = NULL;
+ struct cx8800_fh *fh;
+ struct list_head *list;
+ enum v4l2_buf_type type = 0;
+ int radio = 0;
+
+ list_for_each(list,&cx8800_devlist) {
+ h = list_entry(list, struct cx8800_dev, devlist);
+ if (h->video_dev->minor == minor) {
+ dev = h;
+ type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ }
+ if (h->vbi_dev->minor == minor) {
+ dev = h;
+ type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ }
+ if (h->radio_dev &&
+ h->radio_dev->minor == minor) {
+ radio = 1;
+ dev = h;
+ }
+ }
+ if (NULL == dev)
+ return -ENODEV;
+
+ dprintk(1,"open minor=%d radio=%d type=%s\n",
+ minor,radio,v4l2_type_names[type]);
+
+ /* allocate + initialize per filehandle data */
+ fh = kmalloc(sizeof(*fh),GFP_KERNEL);
+ if (NULL == fh)
+ return -ENOMEM;
+ memset(fh,0,sizeof(*fh));
+ file->private_data = fh;
+ fh->dev = dev;
+ fh->radio = radio;
+ fh->type = type;
+ fh->width = 320;
+ fh->height = 240;
+ fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
+
+ videobuf_queue_init(&fh->vidq, &cx8800_video_qops,
+ dev->pci, &dev->slock,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_INTERLACED,
+ sizeof(struct cx88_buffer),
+ fh);
+ videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops,
+ dev->pci, &dev->slock,
+ V4L2_BUF_TYPE_VBI_CAPTURE,
+ V4L2_FIELD_SEQ_TB,
+ sizeof(struct cx88_buffer),
+ fh);
+
+ if (fh->radio) {
+ struct cx88_core *core = dev->core;
+ int board = core->board;
+ dprintk(1,"video_open: setting radio device\n");
+ cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0);
+ cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1);
+ cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2);
+ cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3);
+ dev->core->tvaudio = WW_FM;
+ cx88_set_tvaudio(core);
+ cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
+ cx88_call_i2c_clients(dev->core,AUDC_SET_RADIO,NULL);
+ }
+
+ return 0;
+}
+
+static ssize_t
+video_read(struct file *file, char *data, size_t count, loff_t *ppos)
+{
+ struct cx8800_fh *fh = file->private_data;
+
+ switch (fh->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ if (res_locked(fh->dev,RESOURCE_VIDEO))
+ return -EBUSY;
+ return videobuf_read_one(&fh->vidq, data, count, ppos,
+ file->f_flags & O_NONBLOCK);
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ 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 cx8800_fh *fh = file->private_data;
+ struct cx88_buffer *buf;
+
+ if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
+ if (!res_get(fh->dev,fh,RESOURCE_VBI))
+ return POLLERR;
+ return videobuf_poll_stream(file, &fh->vbiq, wait);
+ }
+
+ if (res_check(fh,RESOURCE_VIDEO)) {
+ /* streaming capture */
+ if (list_empty(&fh->vidq.stream))
+ return POLLERR;
+ 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)
+ return POLLERR;
+ }
+ poll_wait(file, &buf->vb.done, wait);
+ if (buf->vb.state == STATE_DONE ||
+ buf->vb.state == STATE_ERROR)
+ return POLLIN|POLLRDNORM;
+ return 0;
+}
+
+static int video_release(struct inode *inode, 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)) {
+ if (fh->vbiq.streaming)
+ videobuf_streamoff(&fh->vbiq);
+ if (fh->vbiq.reading)
+ videobuf_read_stop(&fh->vbiq);
+ res_free(dev,fh,RESOURCE_VBI);
+ }
+
+ videobuf_mmap_free(&fh->vidq);
+ videobuf_mmap_free(&fh->vbiq);
+ file->private_data = NULL;
+ kfree(fh);
+ return 0;
+}
+
+static int
+video_mmap(struct file *file, struct vm_area_struct * vma)
+{
+ struct cx8800_fh *fh = file->private_data;
+
+ return videobuf_mmap_mapper(get_queue(fh), vma);
+}
+
+/* ------------------------------------------------------------------ */
+
+static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl)
+{
+ struct cx88_core *core = dev->core;
+ struct cx88_ctrl *c = NULL;
+ u32 value;
+ int i;
+
+ for (i = 0; i < CX8800_CTLS; i++)
+ if (cx8800_ctls[i].v.id == ctl->id)
+ c = &cx8800_ctls[i];
+ if (NULL == c)
+ return -EINVAL;
+
+ value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
+ switch (ctl->id) {
+ case V4L2_CID_AUDIO_BALANCE:
+ ctl->value = (value & 0x40) ? (value & 0x3f) : (0x40 - (value & 0x3f));
+ break;
+ case V4L2_CID_AUDIO_VOLUME:
+ ctl->value = 0x3f - (value & 0x3f);
+ break;
+ default:
+ ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
+ break;
+ }
+ return 0;
+}
+
+static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl)
+{
+ struct cx88_core *core = dev->core;
+ struct cx88_ctrl *c = NULL;
+ u32 v_sat_value;
+ u32 value;
+ int i;
+
+ for (i = 0; i < CX8800_CTLS; i++)
+ if (cx8800_ctls[i].v.id == ctl->id)
+ c = &cx8800_ctls[i];
+ if (NULL == c)
+ return -EINVAL;
+
+ if (ctl->value < c->v.minimum)
+ return -ERANGE;
+ if (ctl->value > c->v.maximum)
+ return -ERANGE;
+ switch (ctl->id) {
+ case V4L2_CID_AUDIO_BALANCE:
+ value = (ctl->value < 0x40) ? (0x40 - ctl->value) : ctl->value;
+ break;
+ case V4L2_CID_AUDIO_VOLUME:
+ value = 0x3f - (ctl->value & 0x3f);
+ break;
+ case V4L2_CID_SATURATION:
+ /* special v_sat handling */
+ v_sat_value = ctl->value - (0x7f - 0x5a);
+ if (v_sat_value > 0xff)
+ v_sat_value = 0xff;
+ if (v_sat_value < 0x00)
+ v_sat_value = 0x00;
+ cx_andor(MO_UV_SATURATION, 0xff00, v_sat_value << 8);
+ /* fall through to default route for u_sat */
+ default:
+ value = ((ctl->value - c->off) << c->shift) & c->mask;
+ break;
+ }
+ dprintk(1,"set_control id=0x%X reg=0x%x val=0x%x%s\n",
+ ctl->id, c->reg, value, c->sreg ? " [shadowed]" : "");
+ if (c->sreg) {
+ cx_sandor(c->sreg, c->reg, c->mask, value);
+ } else {
+ cx_andor(c->reg, c->mask, value);
+ }
+ return 0;
+}
+
+static void init_controls(struct cx8800_dev *dev)
+{
+ static struct v4l2_control mute = {
+ .id = V4L2_CID_AUDIO_MUTE,
+ .value = 1,
+ };
+ static struct v4l2_control volume = {
+ .id = V4L2_CID_AUDIO_VOLUME,
+ .value = 0x3f,
+ };
+
+ set_control(dev,&mute);
+ set_control(dev,&volume);
+}
+
+/* ------------------------------------------------------------------ */
+
+static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
+ struct v4l2_format *f)
+{
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
+ f->fmt.pix.width = fh->width;
+ f->fmt.pix.height = fh->height;
+ f->fmt.pix.field = fh->vidq.field;
+ f->fmt.pix.pixelformat = fh->fmt->fourcc;
+ f->fmt.pix.bytesperline =
+ (f->fmt.pix.width * fh->fmt->depth) >> 3;
+ f->fmt.pix.sizeimage =
+ f->fmt.pix.height * f->fmt.pix.bytesperline;
+ return 0;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ cx8800_vbi_fmt(dev, f);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
+ struct v4l2_format *f)
+{
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ {
+ 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(dev->core->tvnorm);
+ maxh = norm_maxh(dev->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;
+ if (f->fmt.pix.height < 32)
+ f->fmt.pix.height = 32;
+ if (f->fmt.pix.height > maxh)
+ f->fmt.pix.height = maxh;
+ if (f->fmt.pix.width < 48)
+ f->fmt.pix.width = 48;
+ if (f->fmt.pix.width > maxw)
+ f->fmt.pix.width = maxw;
+ f->fmt.pix.width &= ~0x03;
+ 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;
+ }
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ cx8800_vbi_fmt(dev, f);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh,
+ struct v4l2_format *f)
+{
+ int err;
+
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ err = cx8800_try_fmt(dev,fh,f);
+ if (0 != err)
+ return err;
+
+ fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ fh->width = f->fmt.pix.width;
+ fh->height = f->fmt.pix.height;
+ fh->vidq.field = f->fmt.pix.field;
+ return 0;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ cx8800_vbi_fmt(dev, f);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+/*
+ * This function is _not_ called directly, but from
+ * video_generic_ioctl (and maybe others). userspace
+ * copying is done already, arg is a kernel pointer.
+ */
+static int video_do_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, void *arg)
+{
+ struct cx8800_fh *fh = file->private_data;
+ struct cx8800_dev *dev = fh->dev;
+ struct cx88_core *core = dev->core;
+#if 0
+ unsigned long flags;
+#endif
+ int err;
+
+ if (video_debug > 1)
+ cx88_print_ioctl(core->name,cmd);
+ switch (cmd) {
+ case VIDIOC_QUERYCAP:
+ {
+ struct v4l2_capability *cap = arg;
+
+ memset(cap,0,sizeof(*cap));
+ strcpy(cap->driver, "cx8800");
+ strlcpy(cap->card, cx88_boards[core->board].name,
+ sizeof(cap->card));
+ sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
+ cap->version = CX88_VERSION_CODE;
+ cap->capabilities =
+ V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_READWRITE |
+ V4L2_CAP_STREAMING |
+ V4L2_CAP_VBI_CAPTURE |
+#if 0
+ V4L2_CAP_VIDEO_OVERLAY |
+#endif
+ 0;
+ if (UNSET != core->tuner_type)
+ cap->capabilities |= V4L2_CAP_TUNER;
+ return 0;
+ }
+
+ /* ---------- tv norms ---------- */
+ case VIDIOC_ENUMSTD:
+ {
+ struct v4l2_standard *e = arg;
+ unsigned int i;
+
+ i = e->index;
+ if (i >= ARRAY_SIZE(tvnorms))
+ return -EINVAL;
+ err = v4l2_video_std_construct(e, tvnorms[e->index].id,
+ tvnorms[e->index].name);
+ e->index = i;
+ if (err < 0)
+ return err;
+ return 0;
+ }
+ case VIDIOC_G_STD:
+ {
+ v4l2_std_id *id = arg;
+
+ *id = core->tvnorm->id;
+ return 0;
+ }
+ case VIDIOC_S_STD:
+ {
+ v4l2_std_id *id = arg;
+ unsigned int i;
+
+ for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
+ if (*id & tvnorms[i].id)
+ break;
+ if (i == ARRAY_SIZE(tvnorms))
+ return -EINVAL;
+
+ down(&dev->lock);
+ cx88_set_tvnorm(dev->core,&tvnorms[i]);
+ up(&dev->lock);
+ return 0;
+ }
+
+ /* ------ input switching ---------- */
+ case VIDIOC_ENUMINPUT:
+ {
+ static const char *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",
+ };
+ struct v4l2_input *i = arg;
+ unsigned int n;
+
+ n = i->index;
+ if (n >= 4)
+ return -EINVAL;
+ if (0 == INPUT(n)->type)
+ return -EINVAL;
+ memset(i,0,sizeof(*i));
+ i->index = n;
+ 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;
+ for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
+ i->std |= tvnorms[n].id;
+ return 0;
+ }
+ case VIDIOC_G_INPUT:
+ {
+ unsigned int *i = arg;
+
+ *i = dev->core->input;
+ return 0;
+ }
+ case VIDIOC_S_INPUT:
+ {
+ unsigned int *i = arg;
+
+ if (*i >= 4)
+ return -EINVAL;
+ down(&dev->lock);
+ cx88_newstation(core);
+ video_mux(dev,*i);
+ up(&dev->lock);
+ return 0;
+ }
+
+
+#if 0
+ /* needs review */
+ case VIDIOC_G_AUDIO:
+ {
+ struct v4l2_audio *a = arg;
+ unsigned int n = a->index;
+
+ memset(a,0,sizeof(*a));
+ a->index = n;
+ switch (n) {
+ case 0:
+ if ((CX88_VMUX_TELEVISION == INPUT(n)->type)
+ || (CX88_VMUX_CABLE == INPUT(n)->type)) {
+ strcpy(a->name,"Television");
+ // FIXME figure out if stereo received and set V4L2_AUDCAP_STEREO.
+ return 0;
+ }
+ break;
+ case 1:
+ if (CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD == core->board) {
+ strcpy(a->name,"Line In");
+ a->capability = V4L2_AUDCAP_STEREO;
+ return 0;
+ }
+ break;
+ }
+ // Audio input not available.
+ return -EINVAL;
+ }
+#endif
+
+ /* --- capture ioctls ---------------------------------------- */
+ case VIDIOC_ENUM_FMT:
+ {
+ struct v4l2_fmtdesc *f = arg;
+ enum v4l2_buf_type type;
+ unsigned int index;
+
+ index = f->index;
+ type = f->type;
+ switch (type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ if (index >= ARRAY_SIZE(formats))
+ return -EINVAL;
+ memset(f,0,sizeof(*f));
+ f->index = index;
+ f->type = type;
+ strlcpy(f->description,formats[index].name,sizeof(f->description));
+ f->pixelformat = formats[index].fourcc;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+ }
+ case VIDIOC_G_FMT:
+ {
+ struct v4l2_format *f = arg;
+ return cx8800_g_fmt(dev,fh,f);
+ }
+ case VIDIOC_S_FMT:
+ {
+ struct v4l2_format *f = arg;
+ return cx8800_s_fmt(dev,fh,f);
+ }
+ case VIDIOC_TRY_FMT:
+ {
+ struct v4l2_format *f = arg;
+ return cx8800_try_fmt(dev,fh,f);
+ }
+
+ /* --- controls ---------------------------------------------- */
+ case VIDIOC_QUERYCTRL:
+ {
+ struct v4l2_queryctrl *c = arg;
+ int i;
+
+ if (c->id < V4L2_CID_BASE ||
+ c->id >= V4L2_CID_LASTP1)
+ return -EINVAL;
+ for (i = 0; i < CX8800_CTLS; i++)
+ if (cx8800_ctls[i].v.id == c->id)
+ break;
+ if (i == CX8800_CTLS) {
+ *c = no_ctl;
+ return 0;
+ }
+ *c = cx8800_ctls[i].v;
+ return 0;
+ }
+ case VIDIOC_G_CTRL:
+ return get_control(dev,arg);
+ case VIDIOC_S_CTRL:
+ return set_control(dev,arg);
+
+ /* --- tuner ioctls ------------------------------------------ */
+ case VIDIOC_G_TUNER:
+ {
+ struct v4l2_tuner *t = arg;
+ u32 reg;
+
+ if (UNSET == core->tuner_type)
+ return -EINVAL;
+ if (0 != t->index)
+ return -EINVAL;
+
+ memset(t,0,sizeof(*t));
+ strcpy(t->name, "Television");
+ t->type = V4L2_TUNER_ANALOG_TV;
+ t->capability = V4L2_TUNER_CAP_NORM;
+ t->rangehigh = 0xffffffffUL;
+
+ cx88_get_stereo(core ,t);
+ reg = cx_read(MO_DEVICE_STATUS);
+ t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
+ return 0;
+ }
+ case VIDIOC_S_TUNER:
+ {
+ struct v4l2_tuner *t = arg;
+
+ if (UNSET == core->tuner_type)
+ return -EINVAL;
+ if (0 != t->index)
+ return -EINVAL;
+ cx88_set_stereo(core, t->audmode, 1);
+ return 0;
+ }
+ case VIDIOC_G_FREQUENCY:
+ {
+ struct v4l2_frequency *f = arg;
+
+ if (UNSET == core->tuner_type)
+ return -EINVAL;
+ if (f->tuner != 0)
+ return -EINVAL;
+ memset(f,0,sizeof(*f));
+ f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ f->frequency = dev->freq;
+ return 0;
+ }
+ case VIDIOC_S_FREQUENCY:
+ {
+ struct v4l2_frequency *f = arg;
+
+ if (UNSET == core->tuner_type)
+ return -EINVAL;
+ if (f->tuner != 0)
+ return -EINVAL;
+ if (0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)
+ return -EINVAL;
+ if (1 == fh->radio && f->type != V4L2_TUNER_RADIO)
+ return -EINVAL;
+ down(&dev->lock);
+ dev->freq = f->frequency;
+ cx88_newstation(core);
+#ifdef V4L2_I2C_CLIENTS
+ cx88_call_i2c_clients(dev->core,VIDIOC_S_FREQUENCY,f);
+#else
+ cx88_call_i2c_clients(dev->core,VIDIOCSFREQ,&dev->freq);
+#endif
+ up(&dev->lock);
+ return 0;
+ }
+
+ /* --- streaming capture ------------------------------------- */
+ case VIDIOCGMBUF:
+ {
+ struct video_mbuf *mbuf = arg;
+ struct videobuf_queue *q;
+ struct v4l2_requestbuffers req;
+ unsigned int i;
+
+ q = get_queue(fh);
+ memset(&req,0,sizeof(req));
+ req.type = q->type;
+ req.count = 8;
+ req.memory = V4L2_MEMORY_MMAP;
+ err = videobuf_reqbufs(q,&req);
+ if (err < 0)
+ return err;
+ memset(mbuf,0,sizeof(*mbuf));
+ mbuf->frames = req.count;
+ mbuf->size = 0;
+ for (i = 0; i < mbuf->frames; i++) {
+ mbuf->offsets[i] = q->bufs[i]->boff;
+ mbuf->size += q->bufs[i]->bsize;
+ }
+ return 0;
+ }
+ case VIDIOC_REQBUFS:
+ return videobuf_reqbufs(get_queue(fh), arg);
+
+ case VIDIOC_QUERYBUF:
+ return videobuf_querybuf(get_queue(fh), arg);
+
+ case VIDIOC_QBUF:
+ return videobuf_qbuf(get_queue(fh), arg);
+
+ case VIDIOC_DQBUF:
+ return videobuf_dqbuf(get_queue(fh), arg,
+ file->f_flags & O_NONBLOCK);
+
+ case VIDIOC_STREAMON:
+ {
+ int res = get_ressource(fh);
+
+ if (!res_get(dev,fh,res))
+ return -EBUSY;
+ return videobuf_streamon(get_queue(fh));
+ }
+ case VIDIOC_STREAMOFF:
+ {
+ int res = get_ressource(fh);
+
+ err = videobuf_streamoff(get_queue(fh));
+ if (err < 0)
+ return err;
+ res_free(dev,fh,res);
+ return 0;
+ }
+
+ default:
+ return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+ video_do_ioctl);
+ }
+ return 0;
+}
+
+static int video_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
+}
+
+/* ----------------------------------------------------------- */
+
+static int radio_do_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, void *arg)
+{
+ struct cx8800_fh *fh = file->private_data;
+ struct cx8800_dev *dev = fh->dev;
+ struct cx88_core *core = dev->core;
+
+ if (video_debug > 1)
+ cx88_print_ioctl(core->name,cmd);
+
+ switch (cmd) {
+ case VIDIOC_QUERYCAP:
+ {
+ struct v4l2_capability *cap = arg;
+
+ memset(cap,0,sizeof(*cap));
+ strcpy(cap->driver, "cx8800");
+ strlcpy(cap->card, cx88_boards[core->board].name,
+ sizeof(cap->card));
+ sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
+ cap->version = CX88_VERSION_CODE;
+ cap->capabilities = V4L2_CAP_TUNER;
+ return 0;
+ }
+ case VIDIOC_G_TUNER:
+ {
+ struct v4l2_tuner *t = arg;
+
+ if (t->index > 0)
+ return -EINVAL;
+
+ memset(t,0,sizeof(*t));
+ strcpy(t->name, "Radio");
+ t->rangelow = (int)(65*16);
+ t->rangehigh = (int)(108*16);
+
+#ifdef V4L2_I2C_CLIENTS
+ cx88_call_i2c_clients(dev->core,VIDIOC_G_TUNER,t);
+#else
+ {
+ struct video_tuner vt;
+ memset(&vt,0,sizeof(vt));
+ cx88_call_i2c_clients(dev,VIDIOCGTUNER,&vt);
+ t->signal = vt.signal;
+ }
+#endif
+ return 0;
+ }
+ case VIDIOC_ENUMINPUT:
+ {
+ struct v4l2_input *i = arg;
+
+ if (i->index != 0)
+ return -EINVAL;
+ strcpy(i->name,"Radio");
+ i->type = V4L2_INPUT_TYPE_TUNER;
+ return 0;
+ }
+ case VIDIOC_G_INPUT:
+ {
+ int *i = arg;
+ *i = 0;
+ return 0;
+ }
+ case VIDIOC_G_AUDIO:
+ {
+ struct v4l2_audio *a = arg;
+
+ memset(a,0,sizeof(*a));
+ strcpy(a->name,"Radio");
+ return 0;
+ }
+ case VIDIOC_G_STD:
+ {
+ v4l2_std_id *id = arg;
+ *id = 0;
+ return 0;
+ }
+ case VIDIOC_S_AUDIO:
+ case VIDIOC_S_TUNER:
+ case VIDIOC_S_INPUT:
+ case VIDIOC_S_STD:
+ return 0;
+
+ case VIDIOC_QUERYCTRL:
+ {
+ struct v4l2_queryctrl *c = arg;
+ int i;
+
+ if (c->id < V4L2_CID_BASE ||
+ c->id >= V4L2_CID_LASTP1)
+ return -EINVAL;
+ if (c->id == V4L2_CID_AUDIO_MUTE) {
+ for (i = 0; i < CX8800_CTLS; i++)
+ if (cx8800_ctls[i].v.id == c->id)
+ break;
+ *c = cx8800_ctls[i].v;
+ } else
+ *c = no_ctl;
+ return 0;
+ }
+
+
+ case VIDIOC_G_CTRL:
+ case VIDIOC_S_CTRL:
+ case VIDIOC_G_FREQUENCY:
+ case VIDIOC_S_FREQUENCY:
+ return video_do_ioctl(inode,file,cmd,arg);
+
+ default:
+ return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+ radio_do_ioctl);
+ }
+ return 0;
+};
+
+static int radio_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
+};
+
+/* ----------------------------------------------------------- */
+
+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(dev->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 = STATE_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 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, 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(dev->core, &cx88_sram_channels[SRAM_CH21]);
+ }
+
+ /* risc1 y */
+ if (status & 0x01) {
+ spin_lock(&dev->slock);
+ count = cx_read(MO_VIDY_GPCNT);
+ cx88_wakeup(dev->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(dev->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 pt_regs *regs)
+{
+ 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 | 0x01);
+ 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 & 0x01)
+ 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 struct file_operations video_fops =
+{
+ .owner = THIS_MODULE,
+ .open = video_open,
+ .release = video_release,
+ .read = video_read,
+ .poll = video_poll,
+ .mmap = video_mmap,
+ .ioctl = video_ioctl,
+ .llseek = no_llseek,
+};
+
+struct video_device cx8800_video_template =
+{
+ .name = "cx8800-video",
+ .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
+ .hardware = 0,
+ .fops = &video_fops,
+ .minor = -1,
+};
+
+struct video_device cx8800_vbi_template =
+{
+ .name = "cx8800-vbi",
+ .type = VID_TYPE_TELETEXT|VID_TYPE_TUNER,
+ .hardware = 0,
+ .fops = &video_fops,
+ .minor = -1,
+};
+
+static struct file_operations radio_fops =
+{
+ .owner = THIS_MODULE,
+ .open = video_open,
+ .release = video_release,
+ .ioctl = radio_ioctl,
+ .llseek = no_llseek,
+};
+
+struct video_device cx8800_radio_template =
+{
+ .name = "cx8800-radio",
+ .type = VID_TYPE_TUNER,
+ .hardware = 0,
+ .fops = &radio_fops,
+ .minor = -1,
+};
+
+/* ----------------------------------------------------------- */
+
+static void cx8800_unregister_video(struct cx8800_dev *dev)
+{
+ if (dev->radio_dev) {
+ if (-1 != dev->radio_dev->minor)
+ video_unregister_device(dev->radio_dev);
+ else
+ video_device_release(dev->radio_dev);
+ dev->radio_dev = NULL;
+ }
+ if (dev->vbi_dev) {
+ if (-1 != dev->vbi_dev->minor)
+ video_unregister_device(dev->vbi_dev);
+ else
+ video_device_release(dev->vbi_dev);
+ dev->vbi_dev = NULL;
+ }
+ if (dev->video_dev) {
+ if (-1 != dev->video_dev->minor)
+ 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;
+
+ dev = kmalloc(sizeof(*dev),GFP_KERNEL);
+ if (NULL == dev)
+ return -ENOMEM;
+ memset(dev,0,sizeof(*dev));
+
+ /* 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 */
+ pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
+ 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%lx\n", core->name,
+ pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
+ dev->pci_lat,pci_resource_start(pci_dev,0));
+
+ pci_set_master(pci_dev);
+ if (!pci_dma_supported(pci_dev,0xffffffff)) {
+ printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
+ err = -EIO;
+ goto fail_core;
+ }
+
+ /* initialize driver struct */
+ init_MUTEX(&dev->lock);
+ spin_lock_init(&dev->slock);
+ core->tvnorm = tvnorms;
+
+ /* 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,
+ SA_SHIRQ | SA_INTERRUPT, core->name, dev);
+ if (err < 0) {
+ printk(KERN_ERR "%s: can't get IRQ %d\n",
+ core->name,pci_dev->irq);
+ goto fail_core;
+ }
+ cx_set(MO_PCI_INTMSK, core->pci_irqmask);
+
+ /* load and configure helper modules */
+ if (TUNER_ABSENT != core->tuner_type)
+ request_module("tuner");
+ if (core->tda9887_conf)
+ request_module("tda9887");
+ if (core->tuner_type != UNSET)
+ cx88_call_i2c_clients(dev->core,TUNER_SET_TYPE,&core->tuner_type);
+ if (core->tda9887_conf)
+ cx88_call_i2c_clients(dev->core,TDA9887_SET_CONFIG,&core->tda9887_conf);
+
+ /* register v4l devices */
+ dev->video_dev = cx88_vdev_init(core,dev->pci,
+ &cx8800_video_template,"video");
+ err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
+ video_nr[core->nr]);
+ if (err < 0) {
+ printk(KERN_INFO "%s: can't register video device\n",
+ core->name);
+ goto fail_unreg;
+ }
+ printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
+ core->name,dev->video_dev->minor & 0x1f);
+
+ dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
+ err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
+ vbi_nr[core->nr]);
+ if (err < 0) {
+ printk(KERN_INFO "%s/0: can't register vbi device\n",
+ core->name);
+ goto fail_unreg;
+ }
+ printk(KERN_INFO "%s/0: registered device vbi%d\n",
+ core->name,dev->vbi_dev->minor & 0x1f);
+
+ if (core->has_radio) {
+ dev->radio_dev = cx88_vdev_init(core,dev->pci,
+ &cx8800_radio_template,"radio");
+ err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
+ radio_nr[core->nr]);
+ if (err < 0) {
+ printk(KERN_INFO "%s/0: can't register radio device\n",
+ core->name);
+ goto fail_unreg;
+ }
+ printk(KERN_INFO "%s/0: registered device radio%d\n",
+ core->name,dev->radio_dev->minor & 0x1f);
+ }
+
+ /* everything worked */
+ list_add_tail(&dev->devlist,&cx8800_devlist);
+ pci_set_drvdata(pci_dev,dev);
+
+ /* initial device configuration */
+ down(&dev->lock);
+ init_controls(dev);
+ cx88_set_tvnorm(dev->core,tvnorms);
+ video_mux(dev,0);
+ up(&dev->lock);
+
+ /* start tvaudio thread */
+ if (core->tuner_type != TUNER_ABSENT)
+ core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
+ return 0;
+
+fail_unreg:
+ cx8800_unregister_video(dev);
+ free_irq(pci_dev->irq, dev);
+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);
+
+ /* stop thread */
+ if (dev->core->kthread) {
+ kthread_stop(dev->core->kthread);
+ dev->core->kthread = NULL;
+ }
+
+ cx88_shutdown(dev->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);
+ list_del(&dev->devlist);
+ cx88_core_put(dev->core,dev->pci);
+ kfree(dev);
+}
+
+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: suspend video\n", core->name);
+ stop_video_dma(dev);
+ del_timer(&dev->vidq.timeout);
+ }
+ if (!list_empty(&dev->vbiq.active)) {
+ printk("%s: suspend vbi\n", core->name);
+ cx8800_stop_vbi_dma(dev);
+ del_timer(&dev->vbiq.timeout);
+ }
+ spin_unlock(&dev->slock);
+
+#if 1
+ /* FIXME -- shutdown device */
+ cx88_shutdown(dev->core);
+#endif
+
+ 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;
+
+ if (dev->state.disabled) {
+ pci_enable_device(pci_dev);
+ dev->state.disabled = 0;
+ }
+ pci_set_power_state(pci_dev, PCI_D0);
+ pci_restore_state(pci_dev);
+
+#if 1
+ /* FIXME: re-initialize hardware */
+ cx88_reset(dev->core);
+#endif
+
+ /* restart video+vbi capture */
+ spin_lock(&dev->slock);
+ if (!list_empty(&dev->vidq.active)) {
+ printk("%s: resume video\n", core->name);
+ restart_video_queue(dev,&dev->vidq);
+ }
+ if (!list_empty(&dev->vbiq.active)) {
+ printk("%s: resume vbi\n", core->name);
+ cx8800_restart_vbi_queue(dev,&dev->vbiq);
+ }
+ spin_unlock(&dev->slock);
+
+ return 0;
+}
+
+/* ----------------------------------------------------------- */
+
+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),
+
+ .suspend = cx8800_suspend,
+ .resume = cx8800_resume,
+};
+
+static int cx8800_init(void)
+{
+ printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n",
+ (CX88_VERSION_CODE >> 16) & 0xff,
+ (CX88_VERSION_CODE >> 8) & 0xff,
+ CX88_VERSION_CODE & 0xff);
+#ifdef SNAPSHOT
+ printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
+ SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
+#endif
+ return pci_register_driver(&cx8800_pci_driver);
+}
+
+static void cx8800_fini(void)
+{
+ pci_unregister_driver(&cx8800_pci_driver);
+}
+
+module_init(cx8800_init);
+module_exit(cx8800_fini);
+
+/* ----------------------------------------------------------- */
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.