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path: root/drivers/media/pci/cx23885/cx23885-video.c
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Diffstat (limited to 'drivers/media/pci/cx23885/cx23885-video.c')
-rw-r--r--drivers/media/pci/cx23885/cx23885-video.c1926
1 files changed, 1926 insertions, 0 deletions
diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c
new file mode 100644
index 000000000000..22f8e7fbd665
--- /dev/null
+++ b/drivers/media/pci/cx23885/cx23885-video.c
@@ -0,0 +1,1926 @@
+/*
+ * Driver for the Conexant CX23885 PCIe bridge
+ *
+ * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
+ *
+ * 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 "cx23885.h"
+#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
+#include "cx23885-ioctl.h"
+#include "tuner-xc2028.h"
+
+#include <media/cx25840.h>
+
+MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
+MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
+MODULE_LICENSE("GPL");
+
+/* ------------------------------------------------------------------ */
+
+static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
+static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
+static unsigned int radio_nr[] = {[0 ... (CX23885_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...)\
+ do { if (video_debug >= level)\
+ printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
+ } while (0)
+
+/* ------------------------------------------------------------------- */
+/* static data */
+
+#define FORMAT_FLAGS_PACKED 0x01
+#if 0
+static struct cx23885_fmt formats[] = {
+ {
+ .name = "8 bpp, gray",
+ .fourcc = V4L2_PIX_FMT_GREY,
+ .depth = 8,
+ .flags = FORMAT_FLAGS_PACKED,
+ }, {
+ .name = "15 bpp RGB, le",
+ .fourcc = V4L2_PIX_FMT_RGB555,
+ .depth = 16,
+ .flags = FORMAT_FLAGS_PACKED,
+ }, {
+ .name = "15 bpp RGB, be",
+ .fourcc = V4L2_PIX_FMT_RGB555X,
+ .depth = 16,
+ .flags = FORMAT_FLAGS_PACKED,
+ }, {
+ .name = "16 bpp RGB, le",
+ .fourcc = V4L2_PIX_FMT_RGB565,
+ .depth = 16,
+ .flags = FORMAT_FLAGS_PACKED,
+ }, {
+ .name = "16 bpp RGB, be",
+ .fourcc = V4L2_PIX_FMT_RGB565X,
+ .depth = 16,
+ .flags = FORMAT_FLAGS_PACKED,
+ }, {
+ .name = "24 bpp RGB, le",
+ .fourcc = V4L2_PIX_FMT_BGR24,
+ .depth = 24,
+ .flags = FORMAT_FLAGS_PACKED,
+ }, {
+ .name = "32 bpp RGB, le",
+ .fourcc = V4L2_PIX_FMT_BGR32,
+ .depth = 32,
+ .flags = FORMAT_FLAGS_PACKED,
+ }, {
+ .name = "32 bpp RGB, be",
+ .fourcc = V4L2_PIX_FMT_RGB32,
+ .depth = 32,
+ .flags = FORMAT_FLAGS_PACKED,
+ }, {
+ .name = "4:2:2, packed, YUYV",
+ .fourcc = V4L2_PIX_FMT_YUYV,
+ .depth = 16,
+ .flags = FORMAT_FLAGS_PACKED,
+ }, {
+ .name = "4:2:2, packed, UYVY",
+ .fourcc = V4L2_PIX_FMT_UYVY,
+ .depth = 16,
+ .flags = FORMAT_FLAGS_PACKED,
+ },
+};
+#else
+static struct cx23885_fmt formats[] = {
+ {
+#if 0
+ .name = "4:2:2, packed, UYVY",
+ .fourcc = V4L2_PIX_FMT_UYVY,
+ .depth = 16,
+ .flags = FORMAT_FLAGS_PACKED,
+ }, {
+#endif
+ .name = "4:2:2, packed, YUYV",
+ .fourcc = V4L2_PIX_FMT_YUYV,
+ .depth = 16,
+ .flags = FORMAT_FLAGS_PACKED,
+ }
+};
+#endif
+
+static struct cx23885_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;
+
+ printk(KERN_ERR "%s(%c%c%c%c) NOT FOUND\n", __func__,
+ (fourcc & 0xff),
+ ((fourcc >> 8) & 0xff),
+ ((fourcc >> 16) & 0xff),
+ ((fourcc >> 24) & 0xff)
+ );
+ return NULL;
+}
+
+/* ------------------------------------------------------------------- */
+
+static const struct v4l2_queryctrl no_ctl = {
+ .name = "42",
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+};
+
+static struct cx23885_ctrl cx23885_ctls[] = {
+ /* --- video --- */
+ {
+ .v = {
+ .id = V4L2_CID_BRIGHTNESS,
+ .name = "Brightness",
+ .minimum = 0x00,
+ .maximum = 0xff,
+ .step = 1,
+ .default_value = 0x7f,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ .off = 128,
+ .reg = LUMA_CTRL,
+ .mask = 0x00ff,
+ .shift = 0,
+ }, {
+ .v = {
+ .id = V4L2_CID_CONTRAST,
+ .name = "Contrast",
+ .minimum = 0,
+ .maximum = 0x7f,
+ .step = 1,
+ .default_value = 0x3f,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ .off = 0,
+ .reg = LUMA_CTRL,
+ .mask = 0xff00,
+ .shift = 8,
+ }, {
+ .v = {
+ .id = V4L2_CID_HUE,
+ .name = "Hue",
+ .minimum = -127,
+ .maximum = 128,
+ .step = 1,
+ .default_value = 0x0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ .off = 128,
+ .reg = CHROMA_CTRL,
+ .mask = 0xff0000,
+ .shift = 16,
+ }, {
+ /* strictly, this only describes only U saturation.
+ * V saturation is handled specially through code.
+ */
+ .v = {
+ .id = V4L2_CID_SATURATION,
+ .name = "Saturation",
+ .minimum = 0,
+ .maximum = 0x7f,
+ .step = 1,
+ .default_value = 0x3f,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ .off = 0,
+ .reg = CHROMA_CTRL,
+ .mask = 0x00ff,
+ .shift = 0,
+ }, {
+ /* --- audio --- */
+ .v = {
+ .id = V4L2_CID_AUDIO_MUTE,
+ .name = "Mute",
+ .minimum = 0,
+ .maximum = 1,
+ .default_value = 1,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ },
+ .reg = PATH1_CTL1,
+ .mask = (0x1f << 24),
+ .shift = 24,
+ }, {
+ .v = {
+ .id = V4L2_CID_AUDIO_VOLUME,
+ .name = "Volume",
+ .minimum = 0,
+ .maximum = 65535,
+ .step = 65535 / 100,
+ .default_value = 65535,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ .reg = PATH1_VOL_CTL,
+ .mask = 0xff,
+ .shift = 0,
+ }
+};
+static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls);
+
+/* Must be sorted from low to high control ID! */
+static const u32 cx23885_user_ctrls[] = {
+ V4L2_CID_USER_CLASS,
+ V4L2_CID_BRIGHTNESS,
+ V4L2_CID_CONTRAST,
+ V4L2_CID_SATURATION,
+ V4L2_CID_HUE,
+ V4L2_CID_AUDIO_VOLUME,
+ V4L2_CID_AUDIO_MUTE,
+ 0
+};
+
+static const u32 *ctrl_classes[] = {
+ cx23885_user_ctrls,
+ NULL
+};
+
+void cx23885_video_wakeup(struct cx23885_dev *dev,
+ struct cx23885_dmaqueue *q, u32 count)
+{
+ struct cx23885_buffer *buf;
+ int bc;
+
+ for (bc = 0;; bc++) {
+ if (list_empty(&q->active))
+ break;
+ buf = list_entry(q->active.next,
+ struct cx23885_buffer, vb.queue);
+
+ /* count comes from the hw and is is 16bit wide --
+ * this trick handles wrap-arounds correctly for
+ * up to 32767 buffers in flight... */
+ if ((s16) (count - buf->count) < 0)
+ break;
+
+ do_gettimeofday(&buf->vb.ts);
+ dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i,
+ count, buf->count);
+ buf->vb.state = VIDEOBUF_DONE;
+ list_del(&buf->vb.queue);
+ wake_up(&buf->vb.done);
+ }
+ if (list_empty(&q->active))
+ del_timer(&q->timeout);
+ else
+ mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+ if (bc != 1)
+ printk(KERN_ERR "%s: %d buffers handled (should be 1)\n",
+ __func__, bc);
+}
+
+int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
+{
+ dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
+ __func__,
+ (unsigned int)norm,
+ v4l2_norm_to_name(norm));
+
+ dev->tvnorm = norm;
+
+ call_all(dev, core, s_std, norm);
+
+ return 0;
+}
+
+static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
+ struct pci_dev *pci,
+ struct video_device *template,
+ char *type)
+{
+ struct video_device *vfd;
+ dprintk(1, "%s()\n", __func__);
+
+ vfd = video_device_alloc();
+ if (NULL == vfd)
+ return NULL;
+ *vfd = *template;
+ vfd->v4l2_dev = &dev->v4l2_dev;
+ vfd->release = video_device_release;
+ snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
+ cx23885_boards[dev->board].name, type);
+ video_set_drvdata(vfd, dev);
+ return vfd;
+}
+
+static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
+{
+ int i;
+
+ if (qctrl->id < V4L2_CID_BASE ||
+ qctrl->id >= V4L2_CID_LASTP1)
+ return -EINVAL;
+ for (i = 0; i < CX23885_CTLS; i++)
+ if (cx23885_ctls[i].v.id == qctrl->id)
+ break;
+ if (i == CX23885_CTLS) {
+ *qctrl = no_ctl;
+ return 0;
+ }
+ *qctrl = cx23885_ctls[i].v;
+ return 0;
+}
+
+/* ------------------------------------------------------------------- */
+/* resource management */
+
+static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh,
+ unsigned int bit)
+{
+ dprintk(1, "%s()\n", __func__);
+ if (fh->resources & bit)
+ /* have it already allocated */
+ return 1;
+
+ /* is it free? */
+ mutex_lock(&dev->lock);
+ if (dev->resources & bit) {
+ /* no, someone else uses it */
+ mutex_unlock(&dev->lock);
+ return 0;
+ }
+ /* it's free, grab it */
+ fh->resources |= bit;
+ dev->resources |= bit;
+ dprintk(1, "res: get %d\n", bit);
+ mutex_unlock(&dev->lock);
+ return 1;
+}
+
+static int res_check(struct cx23885_fh *fh, unsigned int bit)
+{
+ return fh->resources & bit;
+}
+
+static int res_locked(struct cx23885_dev *dev, unsigned int bit)
+{
+ return dev->resources & bit;
+}
+
+static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh,
+ unsigned int bits)
+{
+ BUG_ON((fh->resources & bits) != bits);
+ dprintk(1, "%s()\n", __func__);
+
+ mutex_lock(&dev->lock);
+ fh->resources &= ~bits;
+ dev->resources &= ~bits;
+ dprintk(1, "res: put %d\n", bits);
+ mutex_unlock(&dev->lock);
+}
+
+static int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
+{
+ /* 8 bit registers, 8 bit values */
+ u8 buf[] = { reg, data };
+
+ struct i2c_msg msg = { .addr = 0x98 >> 1,
+ .flags = 0, .buf = buf, .len = 2 };
+
+ return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
+}
+
+static u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
+{
+ /* 8 bit registers, 8 bit values */
+ int ret;
+ u8 b0[] = { reg };
+ u8 b1[] = { 0 };
+
+ struct i2c_msg msg[] = {
+ { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
+ { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
+ };
+
+ ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
+ if (ret != 2)
+ printk(KERN_ERR "%s() error\n", __func__);
+
+ return b1[0];
+}
+
+static void cx23885_flatiron_dump(struct cx23885_dev *dev)
+{
+ int i;
+ dprintk(1, "Flatiron dump\n");
+ for (i = 0; i < 0x24; i++) {
+ dprintk(1, "FI[%02x] = %02x\n", i,
+ cx23885_flatiron_read(dev, i));
+ }
+}
+
+static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
+{
+ u8 val;
+ dprintk(1, "%s(input = %d)\n", __func__, input);
+
+ if (input == 1)
+ val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
+ else if (input == 2)
+ val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
+ else
+ return -EINVAL;
+
+ val |= 0x20; /* Enable clock to delta-sigma and dec filter */
+
+ cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
+
+ /* Wake up */
+ cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
+
+ if (video_debug)
+ cx23885_flatiron_dump(dev);
+
+ return 0;
+}
+
+static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
+{
+ dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
+ __func__,
+ input, INPUT(input)->vmux,
+ INPUT(input)->gpio0, INPUT(input)->gpio1,
+ INPUT(input)->gpio2, INPUT(input)->gpio3);
+ dev->input = input;
+
+ if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
+ dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
+ dev->board == CX23885_BOARD_MYGICA_X8507) {
+ /* Select Analog TV */
+ if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
+ cx23885_gpio_clear(dev, GPIO_0);
+ }
+
+ /* Tell the internal A/V decoder */
+ v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
+ INPUT(input)->vmux, 0, 0);
+
+ if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
+ (dev->board == CX23885_BOARD_MPX885) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850)) {
+ /* Configure audio routing */
+ v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
+ INPUT(input)->amux, 0, 0);
+
+ if (INPUT(input)->amux == CX25840_AUDIO7)
+ cx23885_flatiron_mux(dev, 1);
+ else if (INPUT(input)->amux == CX25840_AUDIO6)
+ cx23885_flatiron_mux(dev, 2);
+ }
+
+ return 0;
+}
+
+static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
+{
+ dprintk(1, "%s(input=%d)\n", __func__, input);
+
+ /* The baseband video core of the cx23885 has two audio inputs.
+ * LR1 and LR2. In almost every single case so far only HVR1xxx
+ * cards we've only ever supported LR1. Time to support LR2,
+ * which is available via the optional white breakout header on
+ * the board.
+ * We'll use a could of existing enums in the card struct to allow
+ * devs to specify which baseband input they need, or just default
+ * to what we've always used.
+ */
+ if (INPUT(input)->amux == CX25840_AUDIO7)
+ cx23885_flatiron_mux(dev, 1);
+ else if (INPUT(input)->amux == CX25840_AUDIO6)
+ cx23885_flatiron_mux(dev, 2);
+ else {
+ /* Not specifically defined, assume the default. */
+ cx23885_flatiron_mux(dev, 1);
+ }
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------ */
+static int cx23885_start_video_dma(struct cx23885_dev *dev,
+ struct cx23885_dmaqueue *q,
+ struct cx23885_buffer *buf)
+{
+ dprintk(1, "%s()\n", __func__);
+
+ /* Stop the dma/fifo before we tamper with it's risc programs */
+ cx_clear(VID_A_DMA_CTL, 0x11);
+
+ /* setup fifo + format */
+ cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
+ buf->bpl, buf->risc.dma);
+
+ /* reset counter */
+ cx_write(VID_A_GPCNT_CTL, 3);
+ q->count = 1;
+
+ /* enable irq */
+ cx23885_irq_add_enable(dev, 0x01);
+ cx_set(VID_A_INT_MSK, 0x000011);
+
+ /* start dma */
+ cx_set(DEV_CNTRL2, (1<<5));
+ cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
+
+ return 0;
+}
+
+
+static int cx23885_restart_video_queue(struct cx23885_dev *dev,
+ struct cx23885_dmaqueue *q)
+{
+ struct cx23885_buffer *buf, *prev;
+ struct list_head *item;
+ dprintk(1, "%s()\n", __func__);
+
+ if (!list_empty(&q->active)) {
+ buf = list_entry(q->active.next, struct cx23885_buffer,
+ vb.queue);
+ dprintk(2, "restart_queue [%p/%d]: restart dma\n",
+ buf, buf->vb.i);
+ cx23885_start_video_dma(dev, q, buf);
+ list_for_each(item, &q->active) {
+ buf = list_entry(item, struct cx23885_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 cx23885_buffer,
+ vb.queue);
+ if (NULL == prev) {
+ list_move_tail(&buf->vb.queue, &q->active);
+ cx23885_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);
+ prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */
+ 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 cx23885_fh *fh = q->priv_data;
+
+ *size = fh->fmt->depth*fh->width*fh->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 cx23885_fh *fh = q->priv_data;
+ struct cx23885_dev *dev = fh->dev;
+ struct cx23885_buffer *buf =
+ container_of(vb, struct cx23885_buffer, vb);
+ int rc, init_buffer = 0;
+ u32 line0_offset, line1_offset;
+ struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
+ int field_tff;
+
+ BUG_ON(NULL == fh->fmt);
+ if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) ||
+ fh->height < 32 || fh->height > norm_maxh(dev->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 (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
+ init_buffer = 1;
+ rc = videobuf_iolock(q, &buf->vb, NULL);
+ if (0 != rc)
+ goto fail;
+ }
+
+ if (init_buffer) {
+ buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
+ switch (buf->vb.field) {
+ case V4L2_FIELD_TOP:
+ cx23885_risc_buffer(dev->pci, &buf->risc,
+ dma->sglist, 0, UNSET,
+ buf->bpl, 0, buf->vb.height);
+ break;
+ case V4L2_FIELD_BOTTOM:
+ cx23885_risc_buffer(dev->pci, &buf->risc,
+ dma->sglist, UNSET, 0,
+ buf->bpl, 0, buf->vb.height);
+ break;
+ case V4L2_FIELD_INTERLACED:
+ if (dev->tvnorm & V4L2_STD_NTSC)
+ /* NTSC or */
+ field_tff = 1;
+ else
+ field_tff = 0;
+
+ if (cx23885_boards[dev->board].force_bff)
+ /* PAL / SECAM OR 888 in NTSC MODE */
+ field_tff = 0;
+
+ if (field_tff) {
+ /* cx25840 transmits NTSC bottom field first */
+ dprintk(1, "%s() Creating TFF/NTSC risc\n",
+ __func__);
+ line0_offset = buf->bpl;
+ line1_offset = 0;
+ } else {
+ /* All other formats are top field first */
+ dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
+ __func__);
+ line0_offset = 0;
+ line1_offset = buf->bpl;
+ }
+ cx23885_risc_buffer(dev->pci, &buf->risc,
+ dma->sglist, line0_offset,
+ line1_offset,
+ buf->bpl, buf->bpl,
+ buf->vb.height >> 1);
+ break;
+ case V4L2_FIELD_SEQ_TB:
+ cx23885_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:
+ cx23885_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_prep - %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 = VIDEOBUF_PREPARED;
+ return 0;
+
+ fail:
+ cx23885_free_buffer(q, buf);
+ return rc;
+}
+
+static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
+{
+ struct cx23885_buffer *buf = container_of(vb,
+ struct cx23885_buffer, vb);
+ struct cx23885_buffer *prev;
+ struct cx23885_fh *fh = vq->priv_data;
+ struct cx23885_dev *dev = fh->dev;
+ struct cx23885_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);
+ buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
+
+ 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);
+ cx23885_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 cx23885_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);
+ /* 64 bit bits 63-32 */
+ prev->risc.jmp[2] = cpu_to_le32(0);
+ 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 cx23885_buffer *buf = container_of(vb,
+ struct cx23885_buffer, vb);
+
+ cx23885_free_buffer(q, buf);
+}
+
+static struct videobuf_queue_ops cx23885_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 cx23885_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_resource(struct cx23885_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 file *file)
+{
+ struct video_device *vdev = video_devdata(file);
+ struct cx23885_dev *dev = video_drvdata(file);
+ struct cx23885_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 (NULL == fh)
+ return -ENOMEM;
+
+ 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_YUYV);
+
+ videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops,
+ &dev->pci->dev, &dev->slock,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_INTERLACED,
+ sizeof(struct cx23885_buffer),
+ fh, NULL);
+
+ videobuf_queue_sg_init(&fh->vbiq, &cx23885_vbi_qops,
+ &dev->pci->dev, &dev->slock,
+ V4L2_BUF_TYPE_VBI_CAPTURE,
+ V4L2_FIELD_SEQ_TB,
+ sizeof(struct cx23885_buffer),
+ fh, NULL);
+
+
+ dprintk(1, "post videobuf_queue_init()\n");
+
+ return 0;
+}
+
+static ssize_t video_read(struct file *file, char __user *data,
+ size_t count, loff_t *ppos)
+{
+ struct cx23885_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 cx23885_fh *fh = file->private_data;
+ struct cx23885_buffer *buf;
+ unsigned int rc = POLLERR;
+
+ 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);
+ }
+
+ 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 cx23885_buffer, vb.stream);
+ } else {
+ /* read() capture */
+ buf = (struct cx23885_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;
+ else
+ rc = 0;
+done:
+ mutex_unlock(&fh->vidq.vb_lock);
+ return rc;
+}
+
+static int video_release(struct file *file)
+{
+ struct cx23885_fh *fh = file->private_data;
+ struct cx23885_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);
+
+ /* We are not putting the tuner to sleep here on exit, because
+ * we want to use the mpeg encoder in another session to capture
+ * tuner video. Closing this will result in no video to the encoder.
+ */
+
+ return 0;
+}
+
+static int video_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ struct cx23885_fh *fh = file->private_data;
+
+ return videobuf_mmap_mapper(get_queue(fh), vma);
+}
+
+/* ------------------------------------------------------------------ */
+/* VIDEO CTRL IOCTLS */
+
+int cx23885_get_control(struct cx23885_dev *dev,
+ struct v4l2_control *ctl)
+{
+ dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
+ call_all(dev, core, g_ctrl, ctl);
+ return 0;
+}
+
+int cx23885_set_control(struct cx23885_dev *dev,
+ struct v4l2_control *ctl)
+{
+ dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__);
+ call_all(dev, core, s_ctrl, ctl);
+
+ return 0;
+}
+
+static void init_controls(struct cx23885_dev *dev)
+{
+ struct v4l2_control ctrl;
+ int i;
+
+ for (i = 0; i < CX23885_CTLS; i++) {
+ ctrl.id = cx23885_ctls[i].v.id;
+ ctrl.value = cx23885_ctls[i].v.default_value;
+
+ cx23885_set_control(dev, &ctrl);
+ }
+}
+
+/* ------------------------------------------------------------------ */
+/* VIDEO IOCTLS */
+
+static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct cx23885_fh *fh = priv;
+
+ 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;
+}
+
+static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+ struct cx23885_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->tvnorm);
+ maxh = norm_maxh(dev->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 cx23885_fh *fh = priv;
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+ struct v4l2_mbus_framefmt mbus_fmt;
+ int err;
+
+ dprintk(2, "%s()\n", __func__);
+ err = vidioc_try_fmt_vid_cap(file, priv, 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;
+ dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
+ fh->width, fh->height, fh->vidq.field);
+ v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
+ call_all(dev, video, s_mbus_fmt, &mbus_fmt);
+ v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
+ return 0;
+}
+
+static int vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+
+ strcpy(cap->driver, "cx23885");
+ strlcpy(cap->card, cx23885_boards[dev->board].name,
+ sizeof(cap->card));
+ sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
+ cap->capabilities =
+ V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_READWRITE |
+ V4L2_CAP_STREAMING |
+ V4L2_CAP_VBI_CAPTURE;
+ if (UNSET != dev->tuner_type)
+ cap->capabilities |= V4L2_CAP_TUNER;
+ 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)
+{
+ struct cx23885_fh *fh = priv;
+ return videobuf_reqbufs(get_queue(fh), p);
+}
+
+static int vidioc_querybuf(struct file *file, void *priv,
+ struct v4l2_buffer *p)
+{
+ struct cx23885_fh *fh = priv;
+ return videobuf_querybuf(get_queue(fh), p);
+}
+
+static int vidioc_qbuf(struct file *file, void *priv,
+ struct v4l2_buffer *p)
+{
+ struct cx23885_fh *fh = priv;
+ return videobuf_qbuf(get_queue(fh), p);
+}
+
+static int vidioc_dqbuf(struct file *file, void *priv,
+ struct v4l2_buffer *p)
+{
+ struct cx23885_fh *fh = priv;
+ return videobuf_dqbuf(get_queue(fh), p,
+ file->f_flags & O_NONBLOCK);
+}
+
+static int vidioc_streamon(struct file *file, void *priv,
+ enum v4l2_buf_type i)
+{
+ struct cx23885_fh *fh = priv;
+ struct cx23885_dev *dev = fh->dev;
+ dprintk(1, "%s()\n", __func__);
+
+ if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
+ return -EINVAL;
+ if (unlikely(i != fh->type))
+ return -EINVAL;
+
+ if (unlikely(!res_get(dev, fh, get_resource(fh))))
+ return -EBUSY;
+
+ /* Don't start VBI streaming unless vida streaming
+ * has already started.
+ */
+ if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) &&
+ ((cx_read(VID_A_DMA_CTL) & 0x11) == 0))
+ return -EINVAL;
+
+ return videobuf_streamon(get_queue(fh));
+}
+
+static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
+{
+ struct cx23885_fh *fh = priv;
+ struct cx23885_dev *dev = fh->dev;
+ int err, res;
+ dprintk(1, "%s()\n", __func__);
+
+ if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
+ return -EINVAL;
+ if (i != fh->type)
+ return -EINVAL;
+
+ res = get_resource(fh);
+ err = videobuf_streamoff(get_queue(fh));
+ 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 *id)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+ dprintk(1, "%s()\n", __func__);
+
+ call_all(dev, core, g_std, id);
+
+ return 0;
+}
+
+static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+ dprintk(1, "%s()\n", __func__);
+
+ mutex_lock(&dev->lock);
+ cx23885_set_tvnorm(dev, *tvnorms);
+ mutex_unlock(&dev->lock);
+
+ return 0;
+}
+
+int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
+{
+ static const char *iname[] = {
+ [CX23885_VMUX_COMPOSITE1] = "Composite1",
+ [CX23885_VMUX_COMPOSITE2] = "Composite2",
+ [CX23885_VMUX_COMPOSITE3] = "Composite3",
+ [CX23885_VMUX_COMPOSITE4] = "Composite4",
+ [CX23885_VMUX_SVIDEO] = "S-Video",
+ [CX23885_VMUX_COMPONENT] = "Component",
+ [CX23885_VMUX_TELEVISION] = "Television",
+ [CX23885_VMUX_CABLE] = "Cable TV",
+ [CX23885_VMUX_DVB] = "DVB",
+ [CX23885_VMUX_DEBUG] = "for debug only",
+ };
+ unsigned int n;
+ dprintk(1, "%s()\n", __func__);
+
+ n = i->index;
+ if (n >= MAX_CX23885_INPUT)
+ return -EINVAL;
+
+ if (0 == INPUT(n)->type)
+ return -EINVAL;
+
+ i->index = n;
+ i->type = V4L2_INPUT_TYPE_CAMERA;
+ strcpy(i->name, iname[INPUT(n)->type]);
+ if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
+ (CX23885_VMUX_CABLE == INPUT(n)->type)) {
+ i->type = V4L2_INPUT_TYPE_TUNER;
+ i->std = CX23885_NORMS;
+ }
+
+ /* Two selectable audio inputs for non-tv inputs */
+ if (INPUT(n)->type != CX23885_VMUX_TELEVISION)
+ i->audioset = 0x3;
+
+ if (dev->input == n) {
+ /* enum'd input matches our configured input.
+ * Ask the video decoder to process the call
+ * and give it an oppertunity to update the
+ * status field.
+ */
+ call_all(dev, video, g_input_status, &i->status);
+ }
+
+ return 0;
+}
+
+static int vidioc_enum_input(struct file *file, void *priv,
+ struct v4l2_input *i)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+ dprintk(1, "%s()\n", __func__);
+ return cx23885_enum_input(dev, i);
+}
+
+int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+
+ *i = dev->input;
+ dprintk(1, "%s() returns %d\n", __func__, *i);
+ return 0;
+}
+
+static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
+{
+ return cx23885_get_input(file, priv, i);
+}
+
+int cx23885_set_input(struct file *file, void *priv, unsigned int i)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+
+ dprintk(1, "%s(%d)\n", __func__, i);
+
+ if (i >= MAX_CX23885_INPUT) {
+ dprintk(1, "%s() -EINVAL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (INPUT(i)->type == 0)
+ return -EINVAL;
+
+ mutex_lock(&dev->lock);
+ cx23885_video_mux(dev, i);
+
+ /* By default establish the default audio input for the card also */
+ /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
+ cx23885_audio_mux(dev, i);
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
+{
+ return cx23885_set_input(file, priv, i);
+}
+
+static int vidioc_log_status(struct file *file, void *priv)
+{
+ struct cx23885_fh *fh = priv;
+ struct cx23885_dev *dev = fh->dev;
+
+ printk(KERN_INFO
+ "%s/0: ============ START LOG STATUS ============\n",
+ dev->name);
+ call_all(dev, core, log_status);
+ printk(KERN_INFO
+ "%s/0: ============= END LOG STATUS =============\n",
+ dev->name);
+ return 0;
+}
+
+static int cx23885_query_audinput(struct file *file, void *priv,
+ struct v4l2_audio *i)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+ static const char *iname[] = {
+ [0] = "Baseband L/R 1",
+ [1] = "Baseband L/R 2",
+ };
+ unsigned int n;
+ dprintk(1, "%s()\n", __func__);
+
+ n = i->index;
+ if (n >= 2)
+ return -EINVAL;
+
+ memset(i, 0, sizeof(*i));
+ i->index = n;
+ strcpy(i->name, iname[n]);
+ i->capability = V4L2_AUDCAP_STEREO;
+ i->mode = V4L2_AUDMODE_AVL;
+ return 0;
+
+}
+
+static int vidioc_enum_audinput(struct file *file, void *priv,
+ struct v4l2_audio *i)
+{
+ return cx23885_query_audinput(file, priv, i);
+}
+
+static int vidioc_g_audinput(struct file *file, void *priv,
+ struct v4l2_audio *i)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+
+ i->index = dev->audinput;
+ dprintk(1, "%s(input=%d)\n", __func__, i->index);
+
+ return cx23885_query_audinput(file, priv, i);
+}
+
+static int vidioc_s_audinput(struct file *file, void *priv,
+ struct v4l2_audio *i)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+ if (i->index >= 2)
+ return -EINVAL;
+
+ dprintk(1, "%s(%d)\n", __func__, i->index);
+
+ dev->audinput = i->index;
+
+ /* Skip the audio defaults from the cards struct, caller wants
+ * directly touch the audio mux hardware. */
+ cx23885_flatiron_mux(dev, dev->audinput + 1);
+ return 0;
+}
+
+static int vidioc_queryctrl(struct file *file, void *priv,
+ struct v4l2_queryctrl *qctrl)
+{
+ qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
+ if (unlikely(qctrl->id == 0))
+ return -EINVAL;
+ return cx23885_ctrl_query(qctrl);
+}
+
+static int vidioc_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctl)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+
+ return cx23885_get_control(dev, ctl);
+}
+
+static int vidioc_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctl)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+
+ return cx23885_set_control(dev, ctl);
+}
+
+static int vidioc_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *t)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+
+ if (unlikely(UNSET == dev->tuner_type))
+ return -EINVAL;
+ if (0 != t->index)
+ return -EINVAL;
+
+ strcpy(t->name, "Television");
+
+ call_all(dev, tuner, g_tuner, t);
+ return 0;
+}
+
+static int vidioc_s_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *t)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
+
+ if (UNSET == dev->tuner_type)
+ return -EINVAL;
+ if (0 != t->index)
+ return -EINVAL;
+ /* Update the A/V core */
+ call_all(dev, tuner, s_tuner, t);
+
+ return 0;
+}
+
+static int vidioc_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct cx23885_fh *fh = priv;
+ struct cx23885_dev *dev = fh->dev;
+
+ if (unlikely(UNSET == dev->tuner_type))
+ return -EINVAL;
+
+ /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
+ f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ f->frequency = dev->freq;
+
+ call_all(dev, tuner, g_frequency, f);
+
+ return 0;
+}
+
+static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
+{
+ struct v4l2_control ctrl;
+
+ if (unlikely(UNSET == dev->tuner_type))
+ return -EINVAL;
+ if (unlikely(f->tuner != 0))
+ return -EINVAL;
+
+ mutex_lock(&dev->lock);
+ dev->freq = f->frequency;
+
+ /* I need to mute audio here */
+ ctrl.id = V4L2_CID_AUDIO_MUTE;
+ ctrl.value = 1;
+ cx23885_set_control(dev, &ctrl);
+
+ call_all(dev, tuner, s_frequency, f);
+
+ /* When changing channels it is required to reset TVAUDIO */
+ msleep(100);
+
+ /* I need to unmute audio here */
+ ctrl.value = 0;
+ cx23885_set_control(dev, &ctrl);
+
+ mutex_unlock(&dev->lock);
+
+ return 0;
+}
+
+static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
+ struct v4l2_frequency *f)
+{
+ struct v4l2_control ctrl;
+ struct videobuf_dvb_frontend *vfe;
+ struct dvb_frontend *fe;
+
+ struct analog_parameters params = {
+ .mode = V4L2_TUNER_ANALOG_TV,
+ .audmode = V4L2_TUNER_MODE_STEREO,
+ .std = dev->tvnorm,
+ .frequency = f->frequency
+ };
+
+ mutex_lock(&dev->lock);
+ dev->freq = f->frequency;
+
+ /* I need to mute audio here */
+ ctrl.id = V4L2_CID_AUDIO_MUTE;
+ ctrl.value = 1;
+ cx23885_set_control(dev, &ctrl);
+
+ /* If HVR1850 */
+ dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
+ params.frequency, f->tuner, params.std);
+
+ vfe = videobuf_dvb_get_frontend(&dev->ts2.frontends, 1);
+ if (!vfe) {
+ mutex_unlock(&dev->lock);
+ return -EINVAL;
+ }
+
+ fe = vfe->dvb.frontend;
+
+ if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
+ fe = &dev->ts1.analog_fe;
+
+ if (fe && fe->ops.tuner_ops.set_analog_params) {
+ call_all(dev, core, s_std, dev->tvnorm);
+ fe->ops.tuner_ops.set_analog_params(fe, &params);
+ }
+ else
+ printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
+
+ /* When changing channels it is required to reset TVAUDIO */
+ msleep(100);
+
+ /* I need to unmute audio here */
+ ctrl.value = 0;
+ cx23885_set_control(dev, &ctrl);
+
+ mutex_unlock(&dev->lock);
+
+ return 0;
+}
+
+int cx23885_set_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct cx23885_fh *fh = priv;
+ struct cx23885_dev *dev = fh->dev;
+ int ret;
+
+ switch (dev->board) {
+ case CX23885_BOARD_HAUPPAUGE_HVR1255:
+ case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
+ case CX23885_BOARD_HAUPPAUGE_HVR1850:
+ ret = cx23885_set_freq_via_ops(dev, f);
+ break;
+ default:
+ ret = cx23885_set_freq(dev, f);
+ }
+
+ return ret;
+}
+
+static int vidioc_s_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ return cx23885_set_frequency(file, priv, f);
+}
+
+/* ----------------------------------------------------------- */
+
+static void cx23885_vid_timeout(unsigned long data)
+{
+ struct cx23885_dev *dev = (struct cx23885_dev *)data;
+ struct cx23885_dmaqueue *q = &dev->vidq;
+ struct cx23885_buffer *buf;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->slock, flags);
+ while (!list_empty(&q->active)) {
+ buf = list_entry(q->active.next,
+ struct cx23885_buffer, vb.queue);
+ list_del(&buf->vb.queue);
+ buf->vb.state = VIDEOBUF_ERROR;
+ wake_up(&buf->vb.done);
+ printk(KERN_ERR "%s: [%p/%d] timeout - dma=0x%08lx\n",
+ dev->name, buf, buf->vb.i,
+ (unsigned long)buf->risc.dma);
+ }
+ cx23885_restart_video_queue(dev, q);
+ spin_unlock_irqrestore(&dev->slock, flags);
+}
+
+int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
+{
+ u32 mask, count;
+ int handled = 0;
+
+ mask = cx_read(VID_A_INT_MSK);
+ if (0 == (status & mask))
+ return handled;
+
+ cx_write(VID_A_INT_STAT, status);
+
+ /* risc op code error, fifo overflow or line sync detection error */
+ if ((status & VID_BC_MSK_OPC_ERR) ||
+ (status & VID_BC_MSK_SYNC) ||
+ (status & VID_BC_MSK_OF)) {
+
+ if (status & VID_BC_MSK_OPC_ERR) {
+ dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
+ VID_BC_MSK_OPC_ERR);
+ printk(KERN_WARNING "%s: video risc op code error\n",
+ dev->name);
+ cx23885_sram_channel_dump(dev,
+ &dev->sram_channels[SRAM_CH01]);
+ }
+
+ if (status & VID_BC_MSK_SYNC)
+ dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
+ "video lines miss-match\n",
+ VID_BC_MSK_SYNC);
+
+ if (status & VID_BC_MSK_OF)
+ dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
+ VID_BC_MSK_OF);
+
+ }
+
+ /* Video */
+ if (status & VID_BC_MSK_RISCI1) {
+ spin_lock(&dev->slock);
+ count = cx_read(VID_A_GPCNT);
+ cx23885_video_wakeup(dev, &dev->vidq, count);
+ spin_unlock(&dev->slock);
+ handled++;
+ }
+ if (status & VID_BC_MSK_RISCI2) {
+ dprintk(2, "stopper video\n");
+ spin_lock(&dev->slock);
+ cx23885_restart_video_queue(dev, &dev->vidq);
+ spin_unlock(&dev->slock);
+ handled++;
+ }
+
+ /* Allow the VBI framework to process it's payload */
+ handled += cx23885_vbi_irq(dev, status);
+
+ return 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,
+ .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_g_fmt_vbi_cap = cx23885_vbi_fmt,
+ .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt,
+ .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt,
+ .vidioc_reqbufs = vidioc_reqbufs,
+ .vidioc_querybuf = vidioc_querybuf,
+ .vidioc_qbuf = vidioc_qbuf,
+ .vidioc_dqbuf = vidioc_dqbuf,
+ .vidioc_s_std = vidioc_s_std,
+ .vidioc_g_std = vidioc_g_std,
+ .vidioc_querystd = vidioc_g_std,
+ .vidioc_enum_input = vidioc_enum_input,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+ .vidioc_log_status = vidioc_log_status,
+ .vidioc_queryctrl = vidioc_queryctrl,
+ .vidioc_g_ctrl = vidioc_g_ctrl,
+ .vidioc_s_ctrl = vidioc_s_ctrl,
+ .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 = cx23885_g_chip_ident,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .vidioc_g_register = cx23885_g_register,
+ .vidioc_s_register = cx23885_s_register,
+#endif
+ .vidioc_enumaudio = vidioc_enum_audinput,
+ .vidioc_g_audio = vidioc_g_audinput,
+ .vidioc_s_audio = vidioc_s_audinput,
+};
+
+static struct video_device cx23885_vbi_template;
+static struct video_device cx23885_video_template = {
+ .name = "cx23885-video",
+ .fops = &video_fops,
+ .ioctl_ops = &video_ioctl_ops,
+ .tvnorms = CX23885_NORMS,
+ .current_norm = V4L2_STD_NTSC_M,
+};
+
+static const struct v4l2_file_operations radio_fops = {
+ .owner = THIS_MODULE,
+ .open = video_open,
+ .release = video_release,
+ .ioctl = video_ioctl2,
+};
+
+
+void cx23885_video_unregister(struct cx23885_dev *dev)
+{
+ dprintk(1, "%s()\n", __func__);
+ cx23885_irq_remove(dev, 0x01);
+
+ 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;
+ btcx_riscmem_free(dev->pci, &dev->vbiq.stopper);
+ }
+ 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;
+
+ btcx_riscmem_free(dev->pci, &dev->vidq.stopper);
+ }
+
+ if (dev->audio_dev)
+ cx23885_audio_unregister(dev);
+}
+
+int cx23885_video_register(struct cx23885_dev *dev)
+{
+ int err;
+
+ dprintk(1, "%s()\n", __func__);
+ spin_lock_init(&dev->slock);
+
+ /* Initialize VBI template */
+ memcpy(&cx23885_vbi_template, &cx23885_video_template,
+ sizeof(cx23885_vbi_template));
+ strcpy(cx23885_vbi_template.name, "cx23885-vbi");
+
+ dev->tvnorm = cx23885_video_template.current_norm;
+
+ /* init video dma queues */
+ INIT_LIST_HEAD(&dev->vidq.active);
+ INIT_LIST_HEAD(&dev->vidq.queued);
+ dev->vidq.timeout.function = cx23885_vid_timeout;
+ dev->vidq.timeout.data = (unsigned long)dev;
+ init_timer(&dev->vidq.timeout);
+ cx23885_risc_stopper(dev->pci, &dev->vidq.stopper,
+ VID_A_DMA_CTL, 0x11, 0x00);
+
+ /* init vbi dma queues */
+ INIT_LIST_HEAD(&dev->vbiq.active);
+ INIT_LIST_HEAD(&dev->vbiq.queued);
+ dev->vbiq.timeout.function = cx23885_vbi_timeout;
+ dev->vbiq.timeout.data = (unsigned long)dev;
+ init_timer(&dev->vbiq.timeout);
+ cx23885_risc_stopper(dev->pci, &dev->vbiq.stopper,
+ VID_A_DMA_CTL, 0x22, 0x00);
+
+ cx23885_irq_add_enable(dev, 0x01);
+
+ if ((TUNER_ABSENT != dev->tuner_type) &&
+ ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
+ struct v4l2_subdev *sd = NULL;
+
+ if (dev->tuner_addr)
+ sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
+ &dev->i2c_bus[dev->tuner_bus].i2c_adap,
+ "tuner", dev->tuner_addr, NULL);
+ else
+ sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
+ &dev->i2c_bus[dev->tuner_bus].i2c_adap,
+ "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
+ if (sd) {
+ struct tuner_setup tun_setup;
+
+ memset(&tun_setup, 0, sizeof(tun_setup));
+ tun_setup.mode_mask = T_ANALOG_TV;
+ tun_setup.type = dev->tuner_type;
+ tun_setup.addr = v4l2_i2c_subdev_addr(sd);
+ tun_setup.tuner_callback = cx23885_tuner_callback;
+
+ v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
+
+ if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) {
+ struct xc2028_ctrl ctrl = {
+ .fname = XC2028_DEFAULT_FIRMWARE,
+ .max_len = 64
+ };
+ struct v4l2_priv_tun_config cfg = {
+ .tuner = dev->tuner_type,
+ .priv = &ctrl
+ };
+ v4l2_subdev_call(sd, tuner, s_config, &cfg);
+ }
+ }
+ }
+
+ /* register Video device */
+ dev->video_dev = cx23885_vdev_init(dev, dev->pci,
+ &cx23885_video_template, "video");
+ err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
+ video_nr[dev->nr]);
+ if (err < 0) {
+ printk(KERN_INFO "%s: can't register video device\n",
+ dev->name);
+ goto fail_unreg;
+ }
+ printk(KERN_INFO "%s: registered device %s [v4l2]\n",
+ dev->name, video_device_node_name(dev->video_dev));
+
+ /* register VBI device */
+ dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
+ &cx23885_vbi_template, "vbi");
+ err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
+ vbi_nr[dev->nr]);
+ if (err < 0) {
+ printk(KERN_INFO "%s: can't register vbi device\n",
+ dev->name);
+ goto fail_unreg;
+ }
+ printk(KERN_INFO "%s: registered device %s\n",
+ dev->name, video_device_node_name(dev->vbi_dev));
+
+ /* Register ALSA audio device */
+ dev->audio_dev = cx23885_audio_register(dev);
+
+ /* initial device configuration */
+ mutex_lock(&dev->lock);
+ cx23885_set_tvnorm(dev, dev->tvnorm);
+ init_controls(dev);
+ cx23885_video_mux(dev, 0);
+ cx23885_audio_mux(dev, 0);
+ mutex_unlock(&dev->lock);
+
+ return 0;
+
+fail_unreg:
+ cx23885_video_unregister(dev);
+ return err;
+}
+