diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-video.c')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-video.c | 1919 |
1 files changed, 1919 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c new file mode 100644 index 00000000..c654bdc7 --- /dev/null +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -0,0 +1,1919 @@ +/* + * 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_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) + 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, ¶ms); + } + 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_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; +} + |