diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-video.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-video.c | 2194 |
1 files changed, 2194 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c new file mode 100644 index 00000000..921c56d1 --- /dev/null +++ b/drivers/media/video/cx88/cx88-video.c @@ -0,0 +1,2194 @@ +/* + * + * device driver for Conexant 2388x based TV cards + * video4linux video interface + * + * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] + * + * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org> + * - Multituner support + * - video_ioctl2 conversion + * - PAL/M fixes + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/kmod.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/dma-mapping.h> +#include <linux/delay.h> +#include <linux/kthread.h> +#include <asm/div64.h> + +#include "cx88.h" +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <media/wm8775.h> + +MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); +MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(CX88_VERSION); + +/* ------------------------------------------------------------------ */ + +static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; +static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; +static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; + +module_param_array(video_nr, int, NULL, 0444); +module_param_array(vbi_nr, int, NULL, 0444); +module_param_array(radio_nr, int, NULL, 0444); + +MODULE_PARM_DESC(video_nr,"video device numbers"); +MODULE_PARM_DESC(vbi_nr,"vbi device numbers"); +MODULE_PARM_DESC(radio_nr,"radio device numbers"); + +static unsigned int video_debug; +module_param(video_debug,int,0644); +MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); + +static unsigned int irq_debug; +module_param(irq_debug,int,0644); +MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); + +static unsigned int vid_limit = 16; +module_param(vid_limit,int,0644); +MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); + +#define dprintk(level,fmt, arg...) if (video_debug >= level) \ + printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg) + +/* ------------------------------------------------------------------- */ +/* static data */ + +static const struct cx8800_fmt formats[] = { + { + .name = "8 bpp, gray", + .fourcc = V4L2_PIX_FMT_GREY, + .cxformat = ColorFormatY8, + .depth = 8, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "15 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_RGB555, + .cxformat = ColorFormatRGB15, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "15 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB555X, + .cxformat = ColorFormatRGB15 | ColorFormatBSWAP, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "16 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_RGB565, + .cxformat = ColorFormatRGB16, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "16 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB565X, + .cxformat = ColorFormatRGB16 | ColorFormatBSWAP, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "24 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_BGR24, + .cxformat = ColorFormatRGB24, + .depth = 24, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "32 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_BGR32, + .cxformat = ColorFormatRGB32, + .depth = 32, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "32 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB32, + .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP, + .depth = 32, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "4:2:2, packed, YUYV", + .fourcc = V4L2_PIX_FMT_YUYV, + .cxformat = ColorFormatYUY2, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "4:2:2, packed, UYVY", + .fourcc = V4L2_PIX_FMT_UYVY, + .cxformat = ColorFormatYUY2 | ColorFormatBSWAP, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + }, +}; + +static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(formats); i++) + if (formats[i].fourcc == fourcc) + return formats+i; + return NULL; +} + +/* ------------------------------------------------------------------- */ + +static const struct v4l2_queryctrl no_ctl = { + .name = "42", + .flags = V4L2_CTRL_FLAG_DISABLED, +}; + +static const struct cx88_ctrl cx8800_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 = MO_CONTR_BRIGHT, + .mask = 0x00ff, + .shift = 0, + },{ + .v = { + .id = V4L2_CID_CONTRAST, + .name = "Contrast", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0x3f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 0, + .reg = MO_CONTR_BRIGHT, + .mask = 0xff00, + .shift = 8, + },{ + .v = { + .id = V4L2_CID_HUE, + .name = "Hue", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0x7f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 128, + .reg = MO_HUE, + .mask = 0x00ff, + .shift = 0, + },{ + /* strictly, this only describes only U saturation. + * V saturation is handled specially through code. + */ + .v = { + .id = V4L2_CID_SATURATION, + .name = "Saturation", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0x7f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 0, + .reg = MO_UV_SATURATION, + .mask = 0x00ff, + .shift = 0, + }, { + .v = { + .id = V4L2_CID_SHARPNESS, + .name = "Sharpness", + .minimum = 0, + .maximum = 4, + .step = 1, + .default_value = 0x0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 0, + /* NOTE: the value is converted and written to both even + and odd registers in the code */ + .reg = MO_FILTER_ODD, + .mask = 7 << 7, + .shift = 7, + }, { + .v = { + .id = V4L2_CID_CHROMA_AGC, + .name = "Chroma AGC", + .minimum = 0, + .maximum = 1, + .default_value = 0x1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + }, + .reg = MO_INPUT_FORMAT, + .mask = 1 << 10, + .shift = 10, + }, { + .v = { + .id = V4L2_CID_COLOR_KILLER, + .name = "Color killer", + .minimum = 0, + .maximum = 1, + .default_value = 0x1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + }, + .reg = MO_INPUT_FORMAT, + .mask = 1 << 9, + .shift = 9, + }, { + .v = { + .id = V4L2_CID_BAND_STOP_FILTER, + .name = "Notch filter", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0x0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 0, + .reg = MO_HTOTAL, + .mask = 3 << 11, + .shift = 11, + }, { + /* --- audio --- */ + .v = { + .id = V4L2_CID_AUDIO_MUTE, + .name = "Mute", + .minimum = 0, + .maximum = 1, + .default_value = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + }, + .reg = AUD_VOL_CTL, + .sreg = SHADOW_AUD_VOL_CTL, + .mask = (1 << 6), + .shift = 6, + },{ + .v = { + .id = V4L2_CID_AUDIO_VOLUME, + .name = "Volume", + .minimum = 0, + .maximum = 0x3f, + .step = 1, + .default_value = 0x3f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .reg = AUD_VOL_CTL, + .sreg = SHADOW_AUD_VOL_CTL, + .mask = 0x3f, + .shift = 0, + },{ + .v = { + .id = V4L2_CID_AUDIO_BALANCE, + .name = "Balance", + .minimum = 0, + .maximum = 0x7f, + .step = 1, + .default_value = 0x40, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .reg = AUD_BAL_CTL, + .sreg = SHADOW_AUD_BAL_CTL, + .mask = 0x7f, + .shift = 0, + } +}; +enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) }; + +/* Must be sorted from low to high control ID! */ +const u32 cx88_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_BALANCE, + V4L2_CID_AUDIO_MUTE, + V4L2_CID_SHARPNESS, + V4L2_CID_CHROMA_AGC, + V4L2_CID_COLOR_KILLER, + V4L2_CID_BAND_STOP_FILTER, + 0 +}; +EXPORT_SYMBOL(cx88_user_ctrls); + +static const u32 * const ctrl_classes[] = { + cx88_user_ctrls, + NULL +}; + +int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl) +{ + int i; + + if (qctrl->id < V4L2_CID_BASE || + qctrl->id >= V4L2_CID_LASTP1) + return -EINVAL; + for (i = 0; i < CX8800_CTLS; i++) + if (cx8800_ctls[i].v.id == qctrl->id) + break; + if (i == CX8800_CTLS) { + *qctrl = no_ctl; + return 0; + } + *qctrl = cx8800_ctls[i].v; + /* Report chroma AGC as inactive when SECAM is selected */ + if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC && + core->tvnorm & V4L2_STD_SECAM) + qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; + + return 0; +} +EXPORT_SYMBOL(cx8800_ctrl_query); + +/* ------------------------------------------------------------------- */ +/* resource management */ + +static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit) +{ + struct cx88_core *core = dev->core; + if (fh->resources & bit) + /* have it already allocated */ + return 1; + + /* is it free? */ + mutex_lock(&core->lock); + if (dev->resources & bit) { + /* no, someone else uses it */ + mutex_unlock(&core->lock); + return 0; + } + /* it's free, grab it */ + fh->resources |= bit; + dev->resources |= bit; + dprintk(1,"res: get %d\n",bit); + mutex_unlock(&core->lock); + return 1; +} + +static +int res_check(struct cx8800_fh *fh, unsigned int bit) +{ + return (fh->resources & bit); +} + +static +int res_locked(struct cx8800_dev *dev, unsigned int bit) +{ + return (dev->resources & bit); +} + +static +void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits) +{ + struct cx88_core *core = dev->core; + BUG_ON((fh->resources & bits) != bits); + + mutex_lock(&core->lock); + fh->resources &= ~bits; + dev->resources &= ~bits; + dprintk(1,"res: put %d\n",bits); + mutex_unlock(&core->lock); +} + +/* ------------------------------------------------------------------ */ + +int cx88_video_mux(struct cx88_core *core, unsigned int input) +{ + /* struct cx88_core *core = dev->core; */ + + dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n", + input, INPUT(input).vmux, + INPUT(input).gpio0,INPUT(input).gpio1, + INPUT(input).gpio2,INPUT(input).gpio3); + core->input = input; + cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14); + cx_write(MO_GP3_IO, INPUT(input).gpio3); + cx_write(MO_GP0_IO, INPUT(input).gpio0); + cx_write(MO_GP1_IO, INPUT(input).gpio1); + cx_write(MO_GP2_IO, INPUT(input).gpio2); + + switch (INPUT(input).type) { + case CX88_VMUX_SVIDEO: + cx_set(MO_AFECFG_IO, 0x00000001); + cx_set(MO_INPUT_FORMAT, 0x00010010); + cx_set(MO_FILTER_EVEN, 0x00002020); + cx_set(MO_FILTER_ODD, 0x00002020); + break; + default: + cx_clear(MO_AFECFG_IO, 0x00000001); + cx_clear(MO_INPUT_FORMAT, 0x00010010); + cx_clear(MO_FILTER_EVEN, 0x00002020); + cx_clear(MO_FILTER_ODD, 0x00002020); + break; + } + + /* if there are audioroutes defined, we have an external + ADC to deal with audio */ + if (INPUT(input).audioroute) { + /* The wm8775 module has the "2" route hardwired into + the initialization. Some boards may use different + routes for different inputs. HVR-1300 surely does */ + if (core->board.audio_chip && + core->board.audio_chip == V4L2_IDENT_WM8775) { + call_all(core, audio, s_routing, + INPUT(input).audioroute, 0, 0); + } + /* cx2388's C-ADC is connected to the tuner only. + When used with S-Video, that ADC is busy dealing with + chroma, so an external must be used for baseband audio */ + if (INPUT(input).type != CX88_VMUX_TELEVISION && + INPUT(input).type != CX88_VMUX_CABLE) { + /* "I2S ADC mode" */ + core->tvaudio = WW_I2SADC; + cx88_set_tvaudio(core); + } else { + /* Normal mode */ + cx_write(AUD_I2SCNTL, 0x0); + cx_clear(AUD_CTL, EN_I2SIN_ENABLE); + } + } + + return 0; +} +EXPORT_SYMBOL(cx88_video_mux); + +/* ------------------------------------------------------------------ */ + +static int start_video_dma(struct cx8800_dev *dev, + struct cx88_dmaqueue *q, + struct cx88_buffer *buf) +{ + struct cx88_core *core = dev->core; + + /* setup fifo + format */ + cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21], + buf->bpl, buf->risc.dma); + cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field); + cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma); + + /* reset counter */ + cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET); + q->count = 1; + + /* enable irqs */ + cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT); + + /* Enables corresponding bits at PCI_INT_STAT: + bits 0 to 4: video, audio, transport stream, VIP, Host + bit 7: timer + bits 8 and 9: DMA complete for: SRC, DST + bits 10 and 11: BERR signal asserted for RISC: RD, WR + bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB + */ + cx_set(MO_VID_INTMSK, 0x0f0011); + + /* enable capture */ + cx_set(VID_CAPTURE_CONTROL,0x06); + + /* start dma */ + cx_set(MO_DEV_CNTRL2, (1<<5)); + cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */ + + return 0; +} + +#ifdef CONFIG_PM +static int stop_video_dma(struct cx8800_dev *dev) +{ + struct cx88_core *core = dev->core; + + /* stop dma */ + cx_clear(MO_VID_DMACNTRL, 0x11); + + /* disable capture */ + cx_clear(VID_CAPTURE_CONTROL,0x06); + + /* disable irqs */ + cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT); + cx_clear(MO_VID_INTMSK, 0x0f0011); + return 0; +} +#endif + +static int restart_video_queue(struct cx8800_dev *dev, + struct cx88_dmaqueue *q) +{ + struct cx88_core *core = dev->core; + struct cx88_buffer *buf, *prev; + + if (!list_empty(&q->active)) { + buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); + dprintk(2,"restart_queue [%p/%d]: restart dma\n", + buf, buf->vb.i); + start_video_dma(dev, q, buf); + list_for_each_entry(buf, &q->active, vb.queue) + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + return 0; + } + + prev = NULL; + for (;;) { + if (list_empty(&q->queued)) + return 0; + buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); + if (NULL == prev) { + list_move_tail(&buf->vb.queue, &q->active); + start_video_dma(dev, q, buf); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2,"[%p/%d] restart_queue - first active\n", + buf,buf->vb.i); + + } else if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_move_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + dprintk(2,"[%p/%d] restart_queue - move to active\n", + buf,buf->vb.i); + } else { + return 0; + } + prev = buf; + } +} + +/* ------------------------------------------------------------------ */ + +static int +buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) +{ + struct cx8800_fh *fh = q->priv_data; + + *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 cx8800_fh *fh = q->priv_data; + struct cx8800_dev *dev = fh->dev; + struct cx88_core *core = dev->core; + struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); + struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); + int rc, init_buffer = 0; + + BUG_ON(NULL == fh->fmt); + if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) || + fh->height < 32 || fh->height > norm_maxh(core->tvnorm)) + return -EINVAL; + buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; + if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) + return -EINVAL; + + if (buf->fmt != fh->fmt || + buf->vb.width != fh->width || + buf->vb.height != fh->height || + buf->vb.field != field) { + buf->fmt = fh->fmt; + buf->vb.width = fh->width; + buf->vb.height = fh->height; + buf->vb.field = field; + init_buffer = 1; + } + + if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { + init_buffer = 1; + if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) + goto fail; + } + + if (init_buffer) { + buf->bpl = buf->vb.width * buf->fmt->depth >> 3; + switch (buf->vb.field) { + case V4L2_FIELD_TOP: + cx88_risc_buffer(dev->pci, &buf->risc, + dma->sglist, 0, UNSET, + buf->bpl, 0, buf->vb.height); + break; + case V4L2_FIELD_BOTTOM: + cx88_risc_buffer(dev->pci, &buf->risc, + dma->sglist, UNSET, 0, + buf->bpl, 0, buf->vb.height); + break; + case V4L2_FIELD_INTERLACED: + cx88_risc_buffer(dev->pci, &buf->risc, + dma->sglist, 0, buf->bpl, + buf->bpl, buf->bpl, + buf->vb.height >> 1); + break; + case V4L2_FIELD_SEQ_TB: + cx88_risc_buffer(dev->pci, &buf->risc, + dma->sglist, + 0, buf->bpl * (buf->vb.height >> 1), + buf->bpl, 0, + buf->vb.height >> 1); + break; + case V4L2_FIELD_SEQ_BT: + cx88_risc_buffer(dev->pci, &buf->risc, + dma->sglist, + buf->bpl * (buf->vb.height >> 1), 0, + buf->bpl, 0, + buf->vb.height >> 1); + break; + default: + BUG(); + } + } + dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", + buf, buf->vb.i, + fh->width, fh->height, fh->fmt->depth, fh->fmt->name, + (unsigned long)buf->risc.dma); + + buf->vb.state = VIDEOBUF_PREPARED; + return 0; + + fail: + cx88_free_buffer(q,buf); + return rc; +} + +static void +buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); + struct cx88_buffer *prev; + struct cx8800_fh *fh = vq->priv_data; + struct cx8800_dev *dev = fh->dev; + struct cx88_core *core = dev->core; + struct cx88_dmaqueue *q = &dev->vidq; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue,&q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2,"[%p/%d] buffer_queue - append to queued\n", + buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue,&q->active); + start_video_dma(dev, q, buf); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2,"[%p/%d] buffer_queue - first active\n", + buf, buf->vb.i); + + } else { + prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue,&q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + dprintk(2,"[%p/%d] buffer_queue - append to active\n", + buf, buf->vb.i); + + } else { + list_add_tail(&buf->vb.queue,&q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2,"[%p/%d] buffer_queue - first queued\n", + buf, buf->vb.i); + } + } +} + +static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) +{ + struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); + + cx88_free_buffer(q,buf); +} + +static const struct videobuf_queue_ops cx8800_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + +/* ------------------------------------------------------------------ */ + + +/* ------------------------------------------------------------------ */ + +static struct videobuf_queue* get_queue(struct cx8800_fh *fh) +{ + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return &fh->vidq; + case V4L2_BUF_TYPE_VBI_CAPTURE: + return &fh->vbiq; + default: + BUG(); + return NULL; + } +} + +static int get_ressource(struct cx8800_fh *fh) +{ + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return RESOURCE_VIDEO; + case V4L2_BUF_TYPE_VBI_CAPTURE: + return RESOURCE_VBI; + default: + BUG(); + return 0; + } +} + +static int video_open(struct file *file) +{ + struct video_device *vdev = video_devdata(file); + struct cx8800_dev *dev = video_drvdata(file); + struct cx88_core *core = dev->core; + struct cx8800_fh *fh; + enum v4l2_buf_type type = 0; + int radio = 0; + + switch (vdev->vfl_type) { + case VFL_TYPE_GRABBER: + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + break; + case VFL_TYPE_VBI: + type = V4L2_BUF_TYPE_VBI_CAPTURE; + break; + case VFL_TYPE_RADIO: + radio = 1; + break; + } + + dprintk(1, "open dev=%s radio=%d type=%s\n", + video_device_node_name(vdev), radio, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh),GFP_KERNEL); + if (unlikely(!fh)) + return -ENOMEM; + + file->private_data = fh; + fh->dev = dev; + fh->radio = radio; + fh->type = type; + fh->width = 320; + fh->height = 240; + fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); + + mutex_lock(&core->lock); + + videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx88_buffer), + fh, NULL); + videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VBI_CAPTURE, + V4L2_FIELD_SEQ_TB, + sizeof(struct cx88_buffer), + fh, NULL); + + if (fh->radio) { + dprintk(1,"video_open: setting radio device\n"); + cx_write(MO_GP3_IO, core->board.radio.gpio3); + cx_write(MO_GP0_IO, core->board.radio.gpio0); + cx_write(MO_GP1_IO, core->board.radio.gpio1); + cx_write(MO_GP2_IO, core->board.radio.gpio2); + if (core->board.radio.audioroute) { + if(core->board.audio_chip && + core->board.audio_chip == V4L2_IDENT_WM8775) { + call_all(core, audio, s_routing, + core->board.radio.audioroute, 0, 0); + } + /* "I2S ADC mode" */ + core->tvaudio = WW_I2SADC; + cx88_set_tvaudio(core); + } else { + /* FM Mode */ + core->tvaudio = WW_FM; + cx88_set_tvaudio(core); + cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1); + } + call_all(core, tuner, s_radio); + } + + core->users++; + mutex_unlock(&core->lock); + + return 0; +} + +static ssize_t +video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx8800_fh *fh = file->private_data; + + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev,RESOURCE_VIDEO)) + return -EBUSY; + return videobuf_read_one(&fh->vidq, data, count, ppos, + file->f_flags & O_NONBLOCK); + case V4L2_BUF_TYPE_VBI_CAPTURE: + if (!res_get(fh->dev,fh,RESOURCE_VBI)) + return -EBUSY; + return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, + file->f_flags & O_NONBLOCK); + default: + BUG(); + return 0; + } +} + +static unsigned int +video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx8800_fh *fh = file->private_data; + struct cx88_buffer *buf; + 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 cx88_buffer,vb.stream); + } else { + /* read() capture */ + buf = (struct cx88_buffer*)fh->vidq.read_buf; + if (NULL == buf) + goto done; + } + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || + buf->vb.state == VIDEOBUF_ERROR) + rc = POLLIN|POLLRDNORM; + else + rc = 0; +done: + mutex_unlock(&fh->vidq.vb_lock); + return rc; +} + +static int video_release(struct file *file) +{ + struct cx8800_fh *fh = file->private_data; + struct cx8800_dev *dev = fh->dev; + + /* turn off overlay */ + if (res_check(fh, RESOURCE_OVERLAY)) { + /* FIXME */ + res_free(dev,fh,RESOURCE_OVERLAY); + } + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev,fh,RESOURCE_VIDEO); + } + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq,fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + /* stop vbi capture */ + if (res_check(fh, RESOURCE_VBI)) { + videobuf_stop(&fh->vbiq); + res_free(dev,fh,RESOURCE_VBI); + } + + videobuf_mmap_free(&fh->vidq); + videobuf_mmap_free(&fh->vbiq); + + mutex_lock(&dev->core->lock); + file->private_data = NULL; + kfree(fh); + + dev->core->users--; + if (!dev->core->users) + call_all(dev->core, core, s_power, 0); + mutex_unlock(&dev->core->lock); + + return 0; +} + +static int +video_mmap(struct file *file, struct vm_area_struct * vma) +{ + struct cx8800_fh *fh = file->private_data; + + return videobuf_mmap_mapper(get_queue(fh), vma); +} + +/* ------------------------------------------------------------------ */ +/* VIDEO CTRL IOCTLS */ + +int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl) +{ + const struct cx88_ctrl *c = NULL; + u32 value; + int i; + + for (i = 0; i < CX8800_CTLS; i++) + if (cx8800_ctls[i].v.id == ctl->id) + c = &cx8800_ctls[i]; + if (unlikely(NULL == c)) + return -EINVAL; + + value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg); + switch (ctl->id) { + case V4L2_CID_AUDIO_BALANCE: + ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40) + : (0x7f - (value & 0x7f)); + break; + case V4L2_CID_AUDIO_VOLUME: + ctl->value = 0x3f - (value & 0x3f); + break; + case V4L2_CID_SHARPNESS: + ctl->value = ((value & 0x0200) ? (((value & 0x0180) >> 7) + 1) + : 0); + break; + default: + ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift; + break; + } + dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", + ctl->id, c->v.name, ctl->value, c->reg, + value,c->mask, c->sreg ? " [shadowed]" : ""); + return 0; +} +EXPORT_SYMBOL(cx88_get_control); + +int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl) +{ + const struct cx88_ctrl *c = NULL; + u32 value,mask; + int i; + + for (i = 0; i < CX8800_CTLS; i++) { + if (cx8800_ctls[i].v.id == ctl->id) { + c = &cx8800_ctls[i]; + } + } + if (unlikely(NULL == c)) + return -EINVAL; + + if (ctl->value < c->v.minimum) + ctl->value = c->v.minimum; + if (ctl->value > c->v.maximum) + ctl->value = c->v.maximum; + + /* Pass changes onto any WM8775 */ + if (core->board.audio_chip == V4L2_IDENT_WM8775) { + struct v4l2_control client_ctl; + memset(&client_ctl, 0, sizeof(client_ctl)); + client_ctl.id = ctl->id; + + switch (ctl->id) { + case V4L2_CID_AUDIO_MUTE: + client_ctl.value = ctl->value; + break; + case V4L2_CID_AUDIO_VOLUME: + client_ctl.value = (ctl->value) ? + (0x90 + ctl->value) << 8 : 0; + break; + case V4L2_CID_AUDIO_BALANCE: + client_ctl.value = ctl->value << 9; + break; + default: + client_ctl.id = 0; + break; + } + if (client_ctl.id) + call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl); + } + + mask=c->mask; + switch (ctl->id) { + case V4L2_CID_AUDIO_BALANCE: + value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40); + break; + case V4L2_CID_AUDIO_VOLUME: + value = 0x3f - (ctl->value & 0x3f); + break; + case V4L2_CID_SATURATION: + /* special v_sat handling */ + + value = ((ctl->value - c->off) << c->shift) & c->mask; + + if (core->tvnorm & V4L2_STD_SECAM) { + /* For SECAM, both U and V sat should be equal */ + value=value<<8|value; + } else { + /* Keeps U Saturation proportional to V Sat */ + value=(value*0x5a)/0x7f<<8|value; + } + mask=0xffff; + break; + case V4L2_CID_SHARPNESS: + /* 0b000, 0b100, 0b101, 0b110, or 0b111 */ + value = (ctl->value < 1 ? 0 : ((ctl->value + 3) << 7)); + /* needs to be set for both fields */ + cx_andor(MO_FILTER_EVEN, mask, value); + break; + case V4L2_CID_CHROMA_AGC: + /* Do not allow chroma AGC to be enabled for SECAM */ + value = ((ctl->value - c->off) << c->shift) & c->mask; + if (core->tvnorm & V4L2_STD_SECAM && value) + return -EINVAL; + break; + default: + value = ((ctl->value - c->off) << c->shift) & c->mask; + break; + } + dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", + ctl->id, c->v.name, ctl->value, c->reg, value, + mask, c->sreg ? " [shadowed]" : ""); + if (c->sreg) { + cx_sandor(c->sreg, c->reg, mask, value); + } else { + cx_andor(c->reg, mask, value); + } + return 0; +} +EXPORT_SYMBOL(cx88_set_control); + +static void init_controls(struct cx88_core *core) +{ + struct v4l2_control ctrl; + int i; + + for (i = 0; i < CX8800_CTLS; i++) { + ctrl.id=cx8800_ctls[i].v.id; + ctrl.value=cx8800_ctls[i].v.default_value; + + cx88_set_control(core, &ctrl); + } +} + +/* ------------------------------------------------------------------ */ +/* VIDEO IOCTLS */ + +static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx8800_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 cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + const struct cx8800_fmt *fmt; + enum v4l2_field field; + unsigned int maxw, maxh; + + fmt = format_by_fourcc(f->fmt.pix.pixelformat); + if (NULL == fmt) + return -EINVAL; + + field = f->fmt.pix.field; + maxw = norm_maxw(core->tvnorm); + maxh = norm_maxh(core->tvnorm); + + if (V4L2_FIELD_ANY == field) { + field = (f->fmt.pix.height > maxh/2) + ? V4L2_FIELD_INTERLACED + : V4L2_FIELD_BOTTOM; + } + + switch (field) { + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + maxh = maxh / 2; + break; + case V4L2_FIELD_INTERLACED: + break; + default: + return -EINVAL; + } + + f->fmt.pix.field = field; + v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, + &f->fmt.pix.height, 32, maxh, 0, 0); + f->fmt.pix.bytesperline = + (f->fmt.pix.width * fmt->depth) >> 3; + f->fmt.pix.sizeimage = + f->fmt.pix.height * f->fmt.pix.bytesperline; + + return 0; +} + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx8800_fh *fh = priv; + int 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; + return 0; +} + +static int vidioc_querycap (struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev; + struct cx88_core *core = dev->core; + + strcpy(cap->driver, "cx8800"); + strlcpy(cap->card, core->board.name, sizeof(cap->card)); + sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); + cap->capabilities = + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING | + V4L2_CAP_VBI_CAPTURE; + if (UNSET != core->board.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 cx8800_fh *fh = priv; + return (videobuf_reqbufs(get_queue(fh), p)); +} + +static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct cx8800_fh *fh = priv; + return (videobuf_querybuf(get_queue(fh), p)); +} + +static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct cx8800_fh *fh = priv; + return (videobuf_qbuf(get_queue(fh), p)); +} + +static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct cx8800_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 cx8800_fh *fh = priv; + struct cx8800_dev *dev = fh->dev; + + /* We should remember that this driver also supports teletext, */ + /* so we have to test if the v4l2_buf_type is VBI capture data. */ + if (unlikely((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_ressource(fh)))) + return -EBUSY; + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx8800_fh *fh = priv; + struct cx8800_dev *dev = fh->dev; + int err, res; + + 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_ressource(fh); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev,fh,res); + return 0; +} + +static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms) +{ + struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + + mutex_lock(&core->lock); + cx88_set_tvnorm(core,*tvnorms); + mutex_unlock(&core->lock); + + return 0; +} + +/* only one input in this sample driver */ +int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i) +{ + static const char * const iname[] = { + [ CX88_VMUX_COMPOSITE1 ] = "Composite1", + [ CX88_VMUX_COMPOSITE2 ] = "Composite2", + [ CX88_VMUX_COMPOSITE3 ] = "Composite3", + [ CX88_VMUX_COMPOSITE4 ] = "Composite4", + [ CX88_VMUX_SVIDEO ] = "S-Video", + [ CX88_VMUX_TELEVISION ] = "Television", + [ CX88_VMUX_CABLE ] = "Cable TV", + [ CX88_VMUX_DVB ] = "DVB", + [ CX88_VMUX_DEBUG ] = "for debug only", + }; + unsigned int n = i->index; + + if (n >= 4) + return -EINVAL; + if (0 == INPUT(n).type) + return -EINVAL; + i->type = V4L2_INPUT_TYPE_CAMERA; + strcpy(i->name,iname[INPUT(n).type]); + if ((CX88_VMUX_TELEVISION == INPUT(n).type) || + (CX88_VMUX_CABLE == INPUT(n).type)) { + i->type = V4L2_INPUT_TYPE_TUNER; + i->std = CX88_NORMS; + } + return 0; +} +EXPORT_SYMBOL(cx88_enum_input); + +static int vidioc_enum_input (struct file *file, void *priv, + struct v4l2_input *i) +{ + struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + return cx88_enum_input (core,i); +} + +static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) +{ + struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + + *i = core->input; + return 0; +} + +static int vidioc_s_input (struct file *file, void *priv, unsigned int i) +{ + struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + + if (i >= 4) + return -EINVAL; + + mutex_lock(&core->lock); + cx88_newstation(core); + cx88_video_mux(core,i); + mutex_unlock(&core->lock); + return 0; +} + + + +static int vidioc_queryctrl (struct file *file, void *priv, + struct v4l2_queryctrl *qctrl) +{ + struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + + qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); + if (unlikely(qctrl->id == 0)) + return -EINVAL; + return cx8800_ctrl_query(core, qctrl); +} + +static int vidioc_g_ctrl (struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + return + cx88_get_control(core,ctl); +} + +static int vidioc_s_ctrl (struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + return + cx88_set_control(core,ctl); +} + +static int vidioc_g_tuner (struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + u32 reg; + + if (unlikely(UNSET == core->board.tuner_type)) + return -EINVAL; + if (0 != t->index) + return -EINVAL; + + strcpy(t->name, "Television"); + t->type = V4L2_TUNER_ANALOG_TV; + t->capability = V4L2_TUNER_CAP_NORM; + t->rangehigh = 0xffffffffUL; + + cx88_get_stereo(core ,t); + reg = cx_read(MO_DEVICE_STATUS); + t->signal = (reg & (1<<5)) ? 0xffff : 0x0000; + return 0; +} + +static int vidioc_s_tuner (struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + + if (UNSET == core->board.tuner_type) + return -EINVAL; + if (0 != t->index) + return -EINVAL; + + cx88_set_stereo(core, t->audmode, 1); + return 0; +} + +static int vidioc_g_frequency (struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct cx8800_fh *fh = priv; + struct cx88_core *core = fh->dev->core; + + if (unlikely(UNSET == core->board.tuner_type)) + return -EINVAL; + + /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ + f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + f->frequency = core->freq; + + call_all(core, tuner, g_frequency, f); + + return 0; +} + +int cx88_set_freq (struct cx88_core *core, + struct v4l2_frequency *f) +{ + if (unlikely(UNSET == core->board.tuner_type)) + return -EINVAL; + if (unlikely(f->tuner != 0)) + return -EINVAL; + + mutex_lock(&core->lock); + core->freq = f->frequency; + cx88_newstation(core); + call_all(core, tuner, s_frequency, f); + + /* When changing channels it is required to reset TVAUDIO */ + msleep (10); + cx88_set_tvaudio(core); + + mutex_unlock(&core->lock); + + return 0; +} +EXPORT_SYMBOL(cx88_set_freq); + +static int vidioc_s_frequency (struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct cx8800_fh *fh = priv; + struct cx88_core *core = fh->dev->core; + + if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) + return -EINVAL; + if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) + return -EINVAL; + + return + cx88_set_freq (core,f); +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int vidioc_g_register (struct file *file, void *fh, + struct v4l2_dbg_register *reg) +{ + struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core; + + if (!v4l2_chip_match_host(®->match)) + return -EINVAL; + /* cx2388x has a 24-bit register space */ + reg->val = cx_read(reg->reg & 0xffffff); + reg->size = 4; + return 0; +} + +static int vidioc_s_register (struct file *file, void *fh, + struct v4l2_dbg_register *reg) +{ + struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core; + + if (!v4l2_chip_match_host(®->match)) + return -EINVAL; + cx_write(reg->reg & 0xffffff, reg->val); + return 0; +} +#endif + +/* ----------------------------------------------------------- */ +/* RADIO ESPECIFIC IOCTLS */ +/* ----------------------------------------------------------- */ + +static int radio_querycap (struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev; + struct cx88_core *core = dev->core; + + strcpy(cap->driver, "cx8800"); + strlcpy(cap->card, core->board.name, sizeof(cap->card)); + sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci)); + cap->capabilities = V4L2_CAP_TUNER; + return 0; +} + +static int radio_g_tuner (struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + + if (unlikely(t->index > 0)) + return -EINVAL; + + strcpy(t->name, "Radio"); + t->type = V4L2_TUNER_RADIO; + + call_all(core, tuner, g_tuner, t); + return 0; +} + +static int radio_enum_input (struct file *file, void *priv, + struct v4l2_input *i) +{ + if (i->index != 0) + return -EINVAL; + strcpy(i->name,"Radio"); + i->type = V4L2_INPUT_TYPE_TUNER; + + return 0; +} + +static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a) +{ + if (unlikely(a->index)) + return -EINVAL; + + strcpy(a->name,"Radio"); + return 0; +} + +/* FIXME: Should add a standard for radio */ + +static int radio_s_tuner (struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; + + if (0 != t->index) + return -EINVAL; + + call_all(core, tuner, s_tuner, t); + + return 0; +} + +static int radio_s_audio (struct file *file, void *fh, + struct v4l2_audio *a) +{ + return 0; +} + +static int radio_s_input (struct file *file, void *fh, unsigned int i) +{ + return 0; +} + +static int radio_queryctrl (struct file *file, void *priv, + struct v4l2_queryctrl *c) +{ + int i; + + if (c->id < V4L2_CID_BASE || + c->id >= V4L2_CID_LASTP1) + return -EINVAL; + if (c->id == V4L2_CID_AUDIO_MUTE || + c->id == V4L2_CID_AUDIO_VOLUME || + c->id == V4L2_CID_AUDIO_BALANCE) { + for (i = 0; i < CX8800_CTLS; i++) { + if (cx8800_ctls[i].v.id == c->id) + break; + } + if (i == CX8800_CTLS) + return -EINVAL; + *c = cx8800_ctls[i].v; + } else + *c = no_ctl; + return 0; +} + +/* ----------------------------------------------------------- */ + +static void cx8800_vid_timeout(unsigned long data) +{ + struct cx8800_dev *dev = (struct cx8800_dev*)data; + struct cx88_core *core = dev->core; + struct cx88_dmaqueue *q = &dev->vidq; + struct cx88_buffer *buf; + unsigned long flags; + + cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]); + + cx_clear(MO_VID_DMACNTRL, 0x11); + cx_clear(VID_CAPTURE_CONTROL, 0x06); + + spin_lock_irqsave(&dev->slock,flags); + while (!list_empty(&q->active)) { + buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); + list_del(&buf->vb.queue); + buf->vb.state = VIDEOBUF_ERROR; + wake_up(&buf->vb.done); + printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name, + buf, buf->vb.i, (unsigned long)buf->risc.dma); + } + restart_video_queue(dev,q); + spin_unlock_irqrestore(&dev->slock,flags); +} + +static const char *cx88_vid_irqs[32] = { + "y_risci1", "u_risci1", "v_risci1", "vbi_risc1", + "y_risci2", "u_risci2", "v_risci2", "vbi_risc2", + "y_oflow", "u_oflow", "v_oflow", "vbi_oflow", + "y_sync", "u_sync", "v_sync", "vbi_sync", + "opc_err", "par_err", "rip_err", "pci_abort", +}; + +static void cx8800_vid_irq(struct cx8800_dev *dev) +{ + struct cx88_core *core = dev->core; + u32 status, mask, count; + + status = cx_read(MO_VID_INTSTAT); + mask = cx_read(MO_VID_INTMSK); + if (0 == (status & mask)) + return; + cx_write(MO_VID_INTSTAT, status); + if (irq_debug || (status & mask & ~0xff)) + cx88_print_irqbits(core->name, "irq vid", + cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs), + status, mask); + + /* risc op code error */ + if (status & (1 << 16)) { + printk(KERN_WARNING "%s/0: video risc op code error\n",core->name); + cx_clear(MO_VID_DMACNTRL, 0x11); + cx_clear(VID_CAPTURE_CONTROL, 0x06); + cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]); + } + + /* risc1 y */ + if (status & 0x01) { + spin_lock(&dev->slock); + count = cx_read(MO_VIDY_GPCNT); + cx88_wakeup(core, &dev->vidq, count); + spin_unlock(&dev->slock); + } + + /* risc1 vbi */ + if (status & 0x08) { + spin_lock(&dev->slock); + count = cx_read(MO_VBI_GPCNT); + cx88_wakeup(core, &dev->vbiq, count); + spin_unlock(&dev->slock); + } + + /* risc2 y */ + if (status & 0x10) { + dprintk(2,"stopper video\n"); + spin_lock(&dev->slock); + restart_video_queue(dev,&dev->vidq); + spin_unlock(&dev->slock); + } + + /* risc2 vbi */ + if (status & 0x80) { + dprintk(2,"stopper vbi\n"); + spin_lock(&dev->slock); + cx8800_restart_vbi_queue(dev,&dev->vbiq); + spin_unlock(&dev->slock); + } +} + +static irqreturn_t cx8800_irq(int irq, void *dev_id) +{ + struct cx8800_dev *dev = dev_id; + struct cx88_core *core = dev->core; + u32 status; + int loop, handled = 0; + + for (loop = 0; loop < 10; loop++) { + status = cx_read(MO_PCI_INTSTAT) & + (core->pci_irqmask | PCI_INT_VIDINT); + if (0 == status) + goto out; + cx_write(MO_PCI_INTSTAT, status); + handled = 1; + + if (status & core->pci_irqmask) + cx88_core_irq(core,status); + if (status & PCI_INT_VIDINT) + cx8800_vid_irq(dev); + }; + if (10 == loop) { + printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", + core->name); + cx_write(MO_PCI_INTMSK,0); + } + + out: + return IRQ_RETVAL(handled); +} + +/* ----------------------------------------------------------- */ +/* exported stuff */ + +static const struct v4l2_file_operations video_fops = +{ + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .unlocked_ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt, + .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt, + .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_s_std = vidioc_s_std, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .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, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +static struct video_device cx8800_vbi_template; + +static const struct video_device cx8800_video_template = { + .name = "cx8800-video", + .fops = &video_fops, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX88_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + +static const struct v4l2_file_operations radio_fops = +{ + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .unlocked_ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops radio_ioctl_ops = { + .vidioc_querycap = radio_querycap, + .vidioc_g_tuner = radio_g_tuner, + .vidioc_enum_input = radio_enum_input, + .vidioc_g_audio = radio_g_audio, + .vidioc_s_tuner = radio_s_tuner, + .vidioc_s_audio = radio_s_audio, + .vidioc_s_input = radio_s_input, + .vidioc_queryctrl = radio_queryctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +static const struct video_device cx8800_radio_template = { + .name = "cx8800-radio", + .fops = &radio_fops, + .ioctl_ops = &radio_ioctl_ops, +}; + +/* ----------------------------------------------------------- */ + +static void cx8800_unregister_video(struct cx8800_dev *dev) +{ + if (dev->radio_dev) { + if (video_is_registered(dev->radio_dev)) + video_unregister_device(dev->radio_dev); + else + video_device_release(dev->radio_dev); + dev->radio_dev = NULL; + } + if (dev->vbi_dev) { + if (video_is_registered(dev->vbi_dev)) + video_unregister_device(dev->vbi_dev); + else + video_device_release(dev->vbi_dev); + dev->vbi_dev = NULL; + } + if (dev->video_dev) { + if (video_is_registered(dev->video_dev)) + video_unregister_device(dev->video_dev); + else + video_device_release(dev->video_dev); + dev->video_dev = NULL; + } +} + +static int __devinit cx8800_initdev(struct pci_dev *pci_dev, + const struct pci_device_id *pci_id) +{ + struct cx8800_dev *dev; + struct cx88_core *core; + + int err; + + dev = kzalloc(sizeof(*dev),GFP_KERNEL); + if (NULL == dev) + return -ENOMEM; + + /* pci init */ + dev->pci = pci_dev; + if (pci_enable_device(pci_dev)) { + err = -EIO; + goto fail_free; + } + core = cx88_core_get(dev->pci); + if (NULL == core) { + err = -EINVAL; + goto fail_free; + } + dev->core = core; + + /* print pci info */ + dev->pci_rev = pci_dev->revision; + pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); + printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " + "latency: %d, mmio: 0x%llx\n", core->name, + pci_name(pci_dev), dev->pci_rev, pci_dev->irq, + dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0)); + + pci_set_master(pci_dev); + if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) { + printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name); + err = -EIO; + goto fail_core; + } + + /* Initialize VBI template */ + memcpy( &cx8800_vbi_template, &cx8800_video_template, + sizeof(cx8800_vbi_template) ); + strcpy(cx8800_vbi_template.name,"cx8800-vbi"); + + /* initialize driver struct */ + spin_lock_init(&dev->slock); + core->tvnorm = cx8800_video_template.current_norm; + + /* init video dma queues */ + INIT_LIST_HEAD(&dev->vidq.active); + INIT_LIST_HEAD(&dev->vidq.queued); + dev->vidq.timeout.function = cx8800_vid_timeout; + dev->vidq.timeout.data = (unsigned long)dev; + init_timer(&dev->vidq.timeout); + cx88_risc_stopper(dev->pci,&dev->vidq.stopper, + MO_VID_DMACNTRL,0x11,0x00); + + /* init vbi dma queues */ + INIT_LIST_HEAD(&dev->vbiq.active); + INIT_LIST_HEAD(&dev->vbiq.queued); + dev->vbiq.timeout.function = cx8800_vbi_timeout; + dev->vbiq.timeout.data = (unsigned long)dev; + init_timer(&dev->vbiq.timeout); + cx88_risc_stopper(dev->pci,&dev->vbiq.stopper, + MO_VID_DMACNTRL,0x88,0x00); + + /* get irq */ + err = request_irq(pci_dev->irq, cx8800_irq, + IRQF_SHARED | IRQF_DISABLED, core->name, dev); + if (err < 0) { + printk(KERN_ERR "%s/0: can't get IRQ %d\n", + core->name,pci_dev->irq); + goto fail_core; + } + cx_set(MO_PCI_INTMSK, core->pci_irqmask); + + /* load and configure helper modules */ + + if (core->board.audio_chip == V4L2_IDENT_WM8775) { + struct i2c_board_info wm8775_info = { + .type = "wm8775", + .addr = 0x36 >> 1, + .platform_data = &core->wm8775_data, + }; + struct v4l2_subdev *sd; + + if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1) + core->wm8775_data.is_nova_s = true; + else + core->wm8775_data.is_nova_s = false; + + sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap, + &wm8775_info, NULL); + if (sd != NULL) + sd->grp_id = WM8775_GID; + } + + if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) { + /* This probes for a tda9874 as is used on some + Pixelview Ultra boards. */ + v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap, + "tvaudio", 0, I2C_ADDRS(0xb0 >> 1)); + } + + switch (core->boardnr) { + case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: + case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: { + static const struct i2c_board_info rtc_info = { + I2C_BOARD_INFO("isl1208", 0x6f) + }; + + request_module("rtc-isl1208"); + core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info); + } + /* break intentionally omitted */ + case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: + request_module("ir-kbd-i2c"); + } + + /* Sets device info at pci_dev */ + pci_set_drvdata(pci_dev, dev); + + /* initial device configuration */ + mutex_lock(&core->lock); + cx88_set_tvnorm(core, core->tvnorm); + init_controls(core); + cx88_video_mux(core, 0); + + /* register v4l devices */ + dev->video_dev = cx88_vdev_init(core,dev->pci, + &cx8800_video_template,"video"); + video_set_drvdata(dev->video_dev, dev); + err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, + video_nr[core->nr]); + if (err < 0) { + printk(KERN_ERR "%s/0: can't register video device\n", + core->name); + goto fail_unreg; + } + printk(KERN_INFO "%s/0: registered device %s [v4l2]\n", + core->name, video_device_node_name(dev->video_dev)); + + dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi"); + video_set_drvdata(dev->vbi_dev, dev); + err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, + vbi_nr[core->nr]); + if (err < 0) { + printk(KERN_ERR "%s/0: can't register vbi device\n", + core->name); + goto fail_unreg; + } + printk(KERN_INFO "%s/0: registered device %s\n", + core->name, video_device_node_name(dev->vbi_dev)); + + if (core->board.radio.type == CX88_RADIO) { + dev->radio_dev = cx88_vdev_init(core,dev->pci, + &cx8800_radio_template,"radio"); + video_set_drvdata(dev->radio_dev, dev); + err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, + radio_nr[core->nr]); + if (err < 0) { + printk(KERN_ERR "%s/0: can't register radio device\n", + core->name); + goto fail_unreg; + } + printk(KERN_INFO "%s/0: registered device %s\n", + core->name, video_device_node_name(dev->radio_dev)); + } + + /* start tvaudio thread */ + if (core->board.tuner_type != TUNER_ABSENT) { + core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio"); + if (IS_ERR(core->kthread)) { + err = PTR_ERR(core->kthread); + printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n", + core->name, err); + } + } + mutex_unlock(&core->lock); + + return 0; + +fail_unreg: + cx8800_unregister_video(dev); + free_irq(pci_dev->irq, dev); + mutex_unlock(&core->lock); +fail_core: + cx88_core_put(core,dev->pci); +fail_free: + kfree(dev); + return err; +} + +static void __devexit cx8800_finidev(struct pci_dev *pci_dev) +{ + struct cx8800_dev *dev = pci_get_drvdata(pci_dev); + struct cx88_core *core = dev->core; + + /* stop thread */ + if (core->kthread) { + kthread_stop(core->kthread); + core->kthread = NULL; + } + + if (core->ir) + cx88_ir_stop(core); + + cx88_shutdown(core); /* FIXME */ + pci_disable_device(pci_dev); + + /* unregister stuff */ + + free_irq(pci_dev->irq, dev); + cx8800_unregister_video(dev); + pci_set_drvdata(pci_dev, NULL); + + /* free memory */ + btcx_riscmem_free(dev->pci,&dev->vidq.stopper); + cx88_core_put(core,dev->pci); + kfree(dev); +} + +#ifdef CONFIG_PM +static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state) +{ + struct cx8800_dev *dev = pci_get_drvdata(pci_dev); + struct cx88_core *core = dev->core; + + /* stop video+vbi capture */ + spin_lock(&dev->slock); + if (!list_empty(&dev->vidq.active)) { + printk("%s/0: suspend video\n", core->name); + stop_video_dma(dev); + del_timer(&dev->vidq.timeout); + } + if (!list_empty(&dev->vbiq.active)) { + printk("%s/0: suspend vbi\n", core->name); + cx8800_stop_vbi_dma(dev); + del_timer(&dev->vbiq.timeout); + } + spin_unlock(&dev->slock); + + if (core->ir) + cx88_ir_stop(core); + /* FIXME -- shutdown device */ + cx88_shutdown(core); + + pci_save_state(pci_dev); + if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { + pci_disable_device(pci_dev); + dev->state.disabled = 1; + } + return 0; +} + +static int cx8800_resume(struct pci_dev *pci_dev) +{ + struct cx8800_dev *dev = pci_get_drvdata(pci_dev); + struct cx88_core *core = dev->core; + int err; + + if (dev->state.disabled) { + err=pci_enable_device(pci_dev); + if (err) { + printk(KERN_ERR "%s/0: can't enable device\n", + core->name); + return err; + } + + dev->state.disabled = 0; + } + err= pci_set_power_state(pci_dev, PCI_D0); + if (err) { + printk(KERN_ERR "%s/0: can't set power state\n", core->name); + pci_disable_device(pci_dev); + dev->state.disabled = 1; + + return err; + } + pci_restore_state(pci_dev); + + /* FIXME: re-initialize hardware */ + cx88_reset(core); + if (core->ir) + cx88_ir_start(core); + + cx_set(MO_PCI_INTMSK, core->pci_irqmask); + + /* restart video+vbi capture */ + spin_lock(&dev->slock); + if (!list_empty(&dev->vidq.active)) { + printk("%s/0: resume video\n", core->name); + restart_video_queue(dev,&dev->vidq); + } + if (!list_empty(&dev->vbiq.active)) { + printk("%s/0: resume vbi\n", core->name); + cx8800_restart_vbi_queue(dev,&dev->vbiq); + } + spin_unlock(&dev->slock); + + return 0; +} +#endif + +/* ----------------------------------------------------------- */ + +static const struct pci_device_id cx8800_pci_tbl[] = { + { + .vendor = 0x14f1, + .device = 0x8800, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + },{ + /* --- end of list --- */ + } +}; +MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl); + +static struct pci_driver cx8800_pci_driver = { + .name = "cx8800", + .id_table = cx8800_pci_tbl, + .probe = cx8800_initdev, + .remove = __devexit_p(cx8800_finidev), +#ifdef CONFIG_PM + .suspend = cx8800_suspend, + .resume = cx8800_resume, +#endif +}; + +static int __init cx8800_init(void) +{ + printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %s loaded\n", + CX88_VERSION); + return pci_register_driver(&cx8800_pci_driver); +} + +static void __exit cx8800_fini(void) +{ + pci_unregister_driver(&cx8800_pci_driver); +} + +module_init(cx8800_init); +module_exit(cx8800_fini); |