diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-video.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-video.c | 2277 |
1 files changed, 2277 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c new file mode 100644 index 000000000000..701f594e1816 --- /dev/null +++ b/drivers/media/video/cx88/cx88-video.c @@ -0,0 +1,2277 @@ +/* + * $Id: cx88-video.c,v 1.58 2005/03/07 15:58:05 kraxel Exp $ + * + * device driver for Conexant 2388x based TV cards + * video4linux video interface + * + * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kmod.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/kthread.h> +#include <asm/div64.h> + +#include "cx88.h" + +MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); +MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); +MODULE_LICENSE("GPL"); + +/* ------------------------------------------------------------------ */ + +static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; +static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; +static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; + +module_param_array(video_nr, int, NULL, 0444); +module_param_array(vbi_nr, int, NULL, 0444); +module_param_array(radio_nr, int, NULL, 0444); + +MODULE_PARM_DESC(video_nr,"video device numbers"); +MODULE_PARM_DESC(vbi_nr,"vbi device numbers"); +MODULE_PARM_DESC(radio_nr,"radio device numbers"); + +static unsigned int video_debug = 0; +module_param(video_debug,int,0644); +MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); + +static unsigned int irq_debug = 0; +module_param(irq_debug,int,0644); +MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); + +static unsigned int vid_limit = 16; +module_param(vid_limit,int,0644); +MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); + +#define dprintk(level,fmt, arg...) if (video_debug >= level) \ + printk(KERN_DEBUG "%s/0: " fmt, dev->core->name , ## arg) + +/* ------------------------------------------------------------------ */ + +static LIST_HEAD(cx8800_devlist); + +/* ------------------------------------------------------------------- */ +/* static data */ + +static struct cx88_tvnorm tvnorms[] = { + { + .name = "NTSC-M", + .id = V4L2_STD_NTSC_M, + .cxiformat = VideoFormatNTSC, + .cxoformat = 0x181f0008, + },{ + .name = "NTSC-JP", + .id = V4L2_STD_NTSC_M_JP, + .cxiformat = VideoFormatNTSCJapan, + .cxoformat = 0x181f0008, +#if 0 + },{ + .name = "NTSC-4.43", + .id = FIXME, + .cxiformat = VideoFormatNTSC443, + .cxoformat = 0x181f0008, +#endif + },{ + .name = "PAL-BG", + .id = V4L2_STD_PAL_BG, + .cxiformat = VideoFormatPAL, + .cxoformat = 0x181f0008, + },{ + .name = "PAL-DK", + .id = V4L2_STD_PAL_DK, + .cxiformat = VideoFormatPAL, + .cxoformat = 0x181f0008, + },{ + .name = "PAL-I", + .id = V4L2_STD_PAL_I, + .cxiformat = VideoFormatPAL, + .cxoformat = 0x181f0008, + },{ + .name = "PAL-M", + .id = V4L2_STD_PAL_M, + .cxiformat = VideoFormatPALM, + .cxoformat = 0x1c1f0008, + },{ + .name = "PAL-N", + .id = V4L2_STD_PAL_N, + .cxiformat = VideoFormatPALN, + .cxoformat = 0x1c1f0008, + },{ + .name = "PAL-Nc", + .id = V4L2_STD_PAL_Nc, + .cxiformat = VideoFormatPALNC, + .cxoformat = 0x1c1f0008, + },{ + .name = "PAL-60", + .id = V4L2_STD_PAL_60, + .cxiformat = VideoFormatPAL60, + .cxoformat = 0x181f0008, + },{ + .name = "SECAM-L", + .id = V4L2_STD_SECAM_L, + .cxiformat = VideoFormatSECAM, + .cxoformat = 0x181f0008, + },{ + .name = "SECAM-DK", + .id = V4L2_STD_SECAM_DK, + .cxiformat = VideoFormatSECAM, + .cxoformat = 0x181f0008, + } +}; + +static struct cx8800_fmt formats[] = { + { + .name = "8 bpp, gray", + .fourcc = V4L2_PIX_FMT_GREY, + .cxformat = ColorFormatY8, + .depth = 8, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "15 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_RGB555, + .cxformat = ColorFormatRGB15, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "15 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB555X, + .cxformat = ColorFormatRGB15 | ColorFormatBSWAP, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "16 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_RGB565, + .cxformat = ColorFormatRGB16, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "16 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB565X, + .cxformat = ColorFormatRGB16 | ColorFormatBSWAP, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "24 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_BGR24, + .cxformat = ColorFormatRGB24, + .depth = 24, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "32 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_BGR32, + .cxformat = ColorFormatRGB32, + .depth = 32, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "32 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB32, + .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP, + .depth = 32, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "4:2:2, packed, YUYV", + .fourcc = V4L2_PIX_FMT_YUYV, + .cxformat = ColorFormatYUY2, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "4:2:2, packed, UYVY", + .fourcc = V4L2_PIX_FMT_UYVY, + .cxformat = ColorFormatYUY2 | ColorFormatBSWAP, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + }, +}; + +static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(formats); i++) + if (formats[i].fourcc == fourcc) + return formats+i; + return NULL; +} + +/* ------------------------------------------------------------------- */ + +static const struct v4l2_queryctrl no_ctl = { + .name = "42", + .flags = V4L2_CTRL_FLAG_DISABLED, +}; + +static struct cx88_ctrl cx8800_ctls[] = { + /* --- video --- */ + { + .v = { + .id = V4L2_CID_BRIGHTNESS, + .name = "Brightness", + .minimum = 0x00, + .maximum = 0xff, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 128, + .reg = MO_CONTR_BRIGHT, + .mask = 0x00ff, + .shift = 0, + },{ + .v = { + .id = V4L2_CID_CONTRAST, + .name = "Contrast", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .reg = MO_CONTR_BRIGHT, + .mask = 0xff00, + .shift = 8, + },{ + .v = { + .id = V4L2_CID_HUE, + .name = "Hue", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 0, + .reg = MO_HUE, + .mask = 0x00ff, + .shift = 0, + },{ + /* strictly, this only describes only U saturation. + * V saturation is handled specially through code. + */ + .v = { + .id = V4L2_CID_SATURATION, + .name = "Saturation", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 0, + .reg = MO_UV_SATURATION, + .mask = 0x00ff, + .shift = 0, + },{ + /* --- audio --- */ + .v = { + .id = V4L2_CID_AUDIO_MUTE, + .name = "Mute", + .minimum = 0, + .maximum = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + }, + .reg = AUD_VOL_CTL, + .sreg = SHADOW_AUD_VOL_CTL, + .mask = (1 << 6), + .shift = 6, + },{ + .v = { + .id = V4L2_CID_AUDIO_VOLUME, + .name = "Volume", + .minimum = 0, + .maximum = 0x3f, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .reg = AUD_VOL_CTL, + .sreg = SHADOW_AUD_VOL_CTL, + .mask = 0x3f, + .shift = 0, + },{ + .v = { + .id = V4L2_CID_AUDIO_BALANCE, + .name = "Balance", + .minimum = 0, + .maximum = 0x7f, + .step = 1, + .default_value = 0x40, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .reg = AUD_BAL_CTL, + .sreg = SHADOW_AUD_BAL_CTL, + .mask = 0x7f, + .shift = 0, + } +}; +const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls); + +/* ------------------------------------------------------------------- */ +/* resource management */ + +static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit) +{ + if (fh->resources & bit) + /* have it already allocated */ + return 1; + + /* is it free? */ + down(&dev->lock); + if (dev->resources & bit) { + /* no, someone else uses it */ + up(&dev->lock); + return 0; + } + /* it's free, grab it */ + fh->resources |= bit; + dev->resources |= bit; + dprintk(1,"res: get %d\n",bit); + up(&dev->lock); + return 1; +} + +static +int res_check(struct cx8800_fh *fh, unsigned int bit) +{ + return (fh->resources & bit); +} + +static +int res_locked(struct cx8800_dev *dev, unsigned int bit) +{ + return (dev->resources & bit); +} + +static +void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits) +{ + if ((fh->resources & bits) != bits) + BUG(); + + down(&dev->lock); + fh->resources &= ~bits; + dev->resources &= ~bits; + dprintk(1,"res: put %d\n",bits); + up(&dev->lock); +} + +/* ------------------------------------------------------------------ */ + +static int video_mux(struct cx8800_dev *dev, unsigned int input) +{ + struct cx88_core *core = dev->core; + + dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n", + input, INPUT(input)->vmux, + INPUT(input)->gpio0,INPUT(input)->gpio1, + INPUT(input)->gpio2,INPUT(input)->gpio3); + dev->core->input = input; + cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14); + cx_write(MO_GP3_IO, INPUT(input)->gpio3); + cx_write(MO_GP0_IO, INPUT(input)->gpio0); + cx_write(MO_GP1_IO, INPUT(input)->gpio1); + cx_write(MO_GP2_IO, INPUT(input)->gpio2); + + switch (INPUT(input)->type) { + case CX88_VMUX_SVIDEO: + cx_set(MO_AFECFG_IO, 0x00000001); + cx_set(MO_INPUT_FORMAT, 0x00010010); + cx_set(MO_FILTER_EVEN, 0x00002020); + cx_set(MO_FILTER_ODD, 0x00002020); + break; + default: + cx_clear(MO_AFECFG_IO, 0x00000001); + cx_clear(MO_INPUT_FORMAT, 0x00010010); + cx_clear(MO_FILTER_EVEN, 0x00002020); + cx_clear(MO_FILTER_ODD, 0x00002020); + break; + } + return 0; +} + +/* ------------------------------------------------------------------ */ + +static int start_video_dma(struct cx8800_dev *dev, + struct cx88_dmaqueue *q, + struct cx88_buffer *buf) +{ + struct cx88_core *core = dev->core; + + /* setup fifo + format */ + cx88_sram_channel_setup(dev->core, &cx88_sram_channels[SRAM_CH21], + buf->bpl, buf->risc.dma); + cx88_set_scale(dev->core, buf->vb.width, buf->vb.height, buf->vb.field); + cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma); + + /* reset counter */ + cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET); + q->count = 1; + + /* enable irqs */ + cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01); + cx_set(MO_VID_INTMSK, 0x0f0011); + + /* enable capture */ + cx_set(VID_CAPTURE_CONTROL,0x06); + + /* start dma */ + cx_set(MO_DEV_CNTRL2, (1<<5)); + cx_set(MO_VID_DMACNTRL, 0x11); + + return 0; +} + +static int stop_video_dma(struct cx8800_dev *dev) +{ + struct cx88_core *core = dev->core; + + /* stop dma */ + cx_clear(MO_VID_DMACNTRL, 0x11); + + /* disable capture */ + cx_clear(VID_CAPTURE_CONTROL,0x06); + + /* disable irqs */ + cx_clear(MO_PCI_INTMSK, 0x000001); + cx_clear(MO_VID_INTMSK, 0x0f0011); + return 0; +} + +static int restart_video_queue(struct cx8800_dev *dev, + struct cx88_dmaqueue *q) +{ + struct cx88_buffer *buf, *prev; + struct list_head *item; + + if (!list_empty(&q->active)) { + buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); + dprintk(2,"restart_queue [%p/%d]: restart dma\n", + buf, buf->vb.i); + start_video_dma(dev, q, buf); + list_for_each(item,&q->active) { + buf = list_entry(item, struct cx88_buffer, vb.queue); + buf->count = q->count++; + } + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + return 0; + } + + prev = NULL; + for (;;) { + if (list_empty(&q->queued)) + return 0; + buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); + if (NULL == prev) { + list_del(&buf->vb.queue); + list_add_tail(&buf->vb.queue,&q->active); + start_video_dma(dev, q, buf); + buf->vb.state = STATE_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2,"[%p/%d] restart_queue - first active\n", + buf,buf->vb.i); + + } else if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_del(&buf->vb.queue); + list_add_tail(&buf->vb.queue,&q->active); + buf->vb.state = STATE_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + dprintk(2,"[%p/%d] restart_queue - move to active\n", + buf,buf->vb.i); + } else { + return 0; + } + prev = buf; + } +} + +/* ------------------------------------------------------------------ */ + +static int +buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) +{ + struct cx8800_fh *fh = q->priv_data; + + *size = fh->fmt->depth*fh->width*fh->height >> 3; + if (0 == *count) + *count = 32; + while (*size * *count > vid_limit * 1024 * 1024) + (*count)--; + return 0; +} + +static int +buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, + enum v4l2_field field) +{ + struct cx8800_fh *fh = q->priv_data; + struct cx8800_dev *dev = fh->dev; + struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); + int rc, init_buffer = 0; + + BUG_ON(NULL == fh->fmt); + if (fh->width < 48 || fh->width > norm_maxw(dev->core->tvnorm) || + fh->height < 32 || fh->height > norm_maxh(dev->core->tvnorm)) + return -EINVAL; + buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; + if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) + return -EINVAL; + + if (buf->fmt != fh->fmt || + buf->vb.width != fh->width || + buf->vb.height != fh->height || + buf->vb.field != field) { + buf->fmt = fh->fmt; + buf->vb.width = fh->width; + buf->vb.height = fh->height; + buf->vb.field = field; + init_buffer = 1; + } + + if (STATE_NEEDS_INIT == buf->vb.state) { + init_buffer = 1; + if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL))) + goto fail; + } + + if (init_buffer) { + buf->bpl = buf->vb.width * buf->fmt->depth >> 3; + switch (buf->vb.field) { + case V4L2_FIELD_TOP: + cx88_risc_buffer(dev->pci, &buf->risc, + buf->vb.dma.sglist, 0, UNSET, + buf->bpl, 0, buf->vb.height); + break; + case V4L2_FIELD_BOTTOM: + cx88_risc_buffer(dev->pci, &buf->risc, + buf->vb.dma.sglist, UNSET, 0, + buf->bpl, 0, buf->vb.height); + break; + case V4L2_FIELD_INTERLACED: + cx88_risc_buffer(dev->pci, &buf->risc, + buf->vb.dma.sglist, 0, buf->bpl, + buf->bpl, buf->bpl, + buf->vb.height >> 1); + break; + case V4L2_FIELD_SEQ_TB: + cx88_risc_buffer(dev->pci, &buf->risc, + buf->vb.dma.sglist, + 0, buf->bpl * (buf->vb.height >> 1), + buf->bpl, 0, + buf->vb.height >> 1); + break; + case V4L2_FIELD_SEQ_BT: + cx88_risc_buffer(dev->pci, &buf->risc, + buf->vb.dma.sglist, + buf->bpl * (buf->vb.height >> 1), 0, + buf->bpl, 0, + buf->vb.height >> 1); + break; + default: + BUG(); + } + } + dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", + buf, buf->vb.i, + fh->width, fh->height, fh->fmt->depth, fh->fmt->name, + (unsigned long)buf->risc.dma); + + buf->vb.state = STATE_PREPARED; + return 0; + + fail: + cx88_free_buffer(dev->pci,buf); + return rc; +} + +static void +buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); + struct cx88_buffer *prev; + struct cx8800_fh *fh = vq->priv_data; + struct cx8800_dev *dev = fh->dev; + struct cx88_dmaqueue *q = &dev->vidq; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue,&q->queued); + buf->vb.state = STATE_QUEUED; + dprintk(2,"[%p/%d] buffer_queue - append to queued\n", + buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue,&q->active); + start_video_dma(dev, q, buf); + buf->vb.state = STATE_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2,"[%p/%d] buffer_queue - first active\n", + buf, buf->vb.i); + + } else { + prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue,&q->active); + buf->vb.state = STATE_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + dprintk(2,"[%p/%d] buffer_queue - append to active\n", + buf, buf->vb.i); + + } else { + list_add_tail(&buf->vb.queue,&q->queued); + buf->vb.state = STATE_QUEUED; + dprintk(2,"[%p/%d] buffer_queue - first queued\n", + buf, buf->vb.i); + } + } +} + +static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) +{ + struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); + struct cx8800_fh *fh = q->priv_data; + + cx88_free_buffer(fh->dev->pci,buf); +} + +struct videobuf_queue_ops cx8800_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + +/* ------------------------------------------------------------------ */ + +#if 0 /* overlay support not finished yet */ +static u32* ov_risc_field(struct cx8800_dev *dev, struct cx8800_fh *fh, + u32 *rp, struct btcx_skiplist *skips, + u32 sync_line, int skip_even, int skip_odd) +{ + int line,maxy,start,end,skip,nskips; + u32 ri,ra; + u32 addr; + + /* sync instruction */ + *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); + + addr = (unsigned long)dev->fbuf.base; + addr += dev->fbuf.fmt.bytesperline * fh->win.w.top; + addr += (fh->fmt->depth >> 3) * fh->win.w.left; + + /* scan lines */ + for (maxy = -1, line = 0; line < fh->win.w.height; + line++, addr += dev->fbuf.fmt.bytesperline) { + if ((line%2) == 0 && skip_even) + continue; + if ((line%2) == 1 && skip_odd) + continue; + + /* calculate clipping */ + if (line > maxy) + btcx_calc_skips(line, fh->win.w.width, &maxy, + skips, &nskips, fh->clips, fh->nclips); + + /* write out risc code */ + for (start = 0, skip = 0; start < fh->win.w.width; start = end) { + if (skip >= nskips) { + ri = RISC_WRITE; + end = fh->win.w.width; + } else if (start < skips[skip].start) { + ri = RISC_WRITE; + end = skips[skip].start; + } else { + ri = RISC_SKIP; + end = skips[skip].end; + skip++; + } + if (RISC_WRITE == ri) + ra = addr + (fh->fmt->depth>>3)*start; + else + ra = 0; + + if (0 == start) + ri |= RISC_SOL; + if (fh->win.w.width == end) + ri |= RISC_EOL; + ri |= (fh->fmt->depth>>3) * (end-start); + + *(rp++)=cpu_to_le32(ri); + if (0 != ra) + *(rp++)=cpu_to_le32(ra); + } + } + kfree(skips); + return rp; +} + +static int ov_risc_frame(struct cx8800_dev *dev, struct cx8800_fh *fh, + struct cx88_buffer *buf) +{ + struct btcx_skiplist *skips; + u32 instructions,fields; + u32 *rp; + int rc; + + /* skip list for window clipping */ + if (NULL == (skips = kmalloc(sizeof(*skips) * fh->nclips,GFP_KERNEL))) + return -ENOMEM; + + fields = 0; + if (V4L2_FIELD_HAS_TOP(fh->win.field)) + fields++; + if (V4L2_FIELD_HAS_BOTTOM(fh->win.field)) + fields++; + + /* estimate risc mem: worst case is (clip+1) * lines instructions + + syncs + jump (all 2 dwords) */ + instructions = (fh->nclips+1) * fh->win.w.height; + instructions += 3 + 4; + if ((rc = btcx_riscmem_alloc(dev->pci,&buf->risc,instructions*8)) < 0) { + kfree(skips); + return rc; + } + + /* write risc instructions */ + rp = buf->risc.cpu; + switch (fh->win.field) { + case V4L2_FIELD_TOP: + rp = ov_risc_field(dev, fh, rp, skips, 0, 0, 0); + break; + case V4L2_FIELD_BOTTOM: + rp = ov_risc_field(dev, fh, rp, skips, 0x200, 0, 0); + break; + case V4L2_FIELD_INTERLACED: + rp = ov_risc_field(dev, fh, rp, skips, 0, 0, 1); + rp = ov_risc_field(dev, fh, rp, skips, 0x200, 1, 0); + break; + default: + BUG(); + } + + /* save pointer to jmp instruction address */ + buf->risc.jmp = rp; + kfree(skips); + return 0; +} + +static int verify_window(struct cx8800_dev *dev, struct v4l2_window *win) +{ + enum v4l2_field field; + int maxw, maxh; + + if (NULL == dev->fbuf.base) + return -EINVAL; + if (win->w.width < 48 || win->w.height < 32) + return -EINVAL; + if (win->clipcount > 2048) + return -EINVAL; + + field = win->field; + maxw = norm_maxw(core->tvnorm); + maxh = norm_maxh(core->tvnorm); + + if (V4L2_FIELD_ANY == field) { + field = (win->w.height > maxh/2) + ? V4L2_FIELD_INTERLACED + : V4L2_FIELD_TOP; + } + switch (field) { + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + maxh = maxh / 2; + break; + case V4L2_FIELD_INTERLACED: + break; + default: + return -EINVAL; + } + + win->field = field; + if (win->w.width > maxw) + win->w.width = maxw; + if (win->w.height > maxh) + win->w.height = maxh; + return 0; +} + +static int setup_window(struct cx8800_dev *dev, struct cx8800_fh *fh, + struct v4l2_window *win) +{ + struct v4l2_clip *clips = NULL; + int n,size,retval = 0; + + if (NULL == fh->fmt) + return -EINVAL; + retval = verify_window(dev,win); + if (0 != retval) + return retval; + + /* copy clips -- luckily v4l1 + v4l2 are binary + compatible here ...*/ + n = win->clipcount; + size = sizeof(*clips)*(n+4); + clips = kmalloc(size,GFP_KERNEL); + if (NULL == clips) + return -ENOMEM; + if (n > 0) { + if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) { + kfree(clips); + return -EFAULT; + } + } + + /* clip against screen */ + if (NULL != dev->fbuf.base) + n = btcx_screen_clips(dev->fbuf.fmt.width, dev->fbuf.fmt.height, + &win->w, clips, n); + btcx_sort_clips(clips,n); + + /* 4-byte alignments */ + switch (fh->fmt->depth) { + case 8: + case 24: + btcx_align(&win->w, clips, n, 3); + break; + case 16: + btcx_align(&win->w, clips, n, 1); + break; + case 32: + /* no alignment fixups needed */ + break; + default: + BUG(); + } + + down(&fh->vidq.lock); + if (fh->clips) + kfree(fh->clips); + fh->clips = clips; + fh->nclips = n; + fh->win = *win; +#if 0 + fh->ov.setup_ok = 1; +#endif + + /* update overlay if needed */ + retval = 0; +#if 0 + if (check_btres(fh, RESOURCE_OVERLAY)) { + struct bttv_buffer *new; + + new = videobuf_alloc(sizeof(*new)); + bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); + retval = bttv_switch_overlay(btv,fh,new); + } +#endif + up(&fh->vidq.lock); + return retval; +} +#endif + +/* ------------------------------------------------------------------ */ + +static struct videobuf_queue* get_queue(struct cx8800_fh *fh) +{ + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return &fh->vidq; + case V4L2_BUF_TYPE_VBI_CAPTURE: + return &fh->vbiq; + default: + BUG(); + return NULL; + } +} + +static int get_ressource(struct cx8800_fh *fh) +{ + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return RESOURCE_VIDEO; + case V4L2_BUF_TYPE_VBI_CAPTURE: + return RESOURCE_VBI; + default: + BUG(); + return 0; + } +} + +static int video_open(struct inode *inode, struct file *file) +{ + int minor = iminor(inode); + struct cx8800_dev *h,*dev = NULL; + struct cx8800_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + int radio = 0; + + list_for_each(list,&cx8800_devlist) { + h = list_entry(list, struct cx8800_dev, devlist); + if (h->video_dev->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + if (h->vbi_dev->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VBI_CAPTURE; + } + if (h->radio_dev && + h->radio_dev->minor == minor) { + radio = 1; + dev = h; + } + } + if (NULL == dev) + return -ENODEV; + + dprintk(1,"open minor=%d radio=%d type=%s\n", + minor,radio,v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kmalloc(sizeof(*fh),GFP_KERNEL); + if (NULL == fh) + return -ENOMEM; + memset(fh,0,sizeof(*fh)); + file->private_data = fh; + fh->dev = dev; + fh->radio = radio; + fh->type = type; + fh->width = 320; + fh->height = 240; + fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); + + videobuf_queue_init(&fh->vidq, &cx8800_video_qops, + dev->pci, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx88_buffer), + fh); + videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops, + dev->pci, &dev->slock, + V4L2_BUF_TYPE_VBI_CAPTURE, + V4L2_FIELD_SEQ_TB, + sizeof(struct cx88_buffer), + fh); + + if (fh->radio) { + struct cx88_core *core = dev->core; + int board = core->board; + dprintk(1,"video_open: setting radio device\n"); + cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0); + cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1); + cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2); + cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3); + dev->core->tvaudio = WW_FM; + cx88_set_tvaudio(core); + cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1); + cx88_call_i2c_clients(dev->core,AUDC_SET_RADIO,NULL); + } + + return 0; +} + +static ssize_t +video_read(struct file *file, char *data, size_t count, loff_t *ppos) +{ + struct cx8800_fh *fh = file->private_data; + + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev,RESOURCE_VIDEO)) + return -EBUSY; + return videobuf_read_one(&fh->vidq, data, count, ppos, + file->f_flags & O_NONBLOCK); + case V4L2_BUF_TYPE_VBI_CAPTURE: + if (!res_get(fh->dev,fh,RESOURCE_VBI)) + return -EBUSY; + return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, + file->f_flags & O_NONBLOCK); + default: + BUG(); + return 0; + } +} + +static unsigned int +video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx8800_fh *fh = file->private_data; + struct cx88_buffer *buf; + + if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { + if (!res_get(fh->dev,fh,RESOURCE_VBI)) + return POLLERR; + return videobuf_poll_stream(file, &fh->vbiq, wait); + } + + if (res_check(fh,RESOURCE_VIDEO)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream); + } else { + /* read() capture */ + buf = (struct cx88_buffer*)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == STATE_DONE || + buf->vb.state == STATE_ERROR) + return POLLIN|POLLRDNORM; + return 0; +} + +static int video_release(struct inode *inode, struct file *file) +{ + struct cx8800_fh *fh = file->private_data; + struct cx8800_dev *dev = fh->dev; + + /* turn off overlay */ + if (res_check(fh, RESOURCE_OVERLAY)) { + /* FIXME */ + res_free(dev,fh,RESOURCE_OVERLAY); + } + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev,fh,RESOURCE_VIDEO); + } + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq,fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + /* stop vbi capture */ + if (res_check(fh, RESOURCE_VBI)) { + if (fh->vbiq.streaming) + videobuf_streamoff(&fh->vbiq); + if (fh->vbiq.reading) + videobuf_read_stop(&fh->vbiq); + res_free(dev,fh,RESOURCE_VBI); + } + + videobuf_mmap_free(&fh->vidq); + videobuf_mmap_free(&fh->vbiq); + file->private_data = NULL; + kfree(fh); + return 0; +} + +static int +video_mmap(struct file *file, struct vm_area_struct * vma) +{ + struct cx8800_fh *fh = file->private_data; + + return videobuf_mmap_mapper(get_queue(fh), vma); +} + +/* ------------------------------------------------------------------ */ + +static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) +{ + struct cx88_core *core = dev->core; + struct cx88_ctrl *c = NULL; + u32 value; + int i; + + for (i = 0; i < CX8800_CTLS; i++) + if (cx8800_ctls[i].v.id == ctl->id) + c = &cx8800_ctls[i]; + if (NULL == c) + return -EINVAL; + + value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg); + switch (ctl->id) { + case V4L2_CID_AUDIO_BALANCE: + ctl->value = (value & 0x40) ? (value & 0x3f) : (0x40 - (value & 0x3f)); + break; + case V4L2_CID_AUDIO_VOLUME: + ctl->value = 0x3f - (value & 0x3f); + break; + default: + ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift; + break; + } + return 0; +} + +static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) +{ + struct cx88_core *core = dev->core; + struct cx88_ctrl *c = NULL; + u32 v_sat_value; + u32 value; + int i; + + for (i = 0; i < CX8800_CTLS; i++) + if (cx8800_ctls[i].v.id == ctl->id) + c = &cx8800_ctls[i]; + if (NULL == c) + return -EINVAL; + + if (ctl->value < c->v.minimum) + return -ERANGE; + if (ctl->value > c->v.maximum) + return -ERANGE; + switch (ctl->id) { + case V4L2_CID_AUDIO_BALANCE: + value = (ctl->value < 0x40) ? (0x40 - ctl->value) : ctl->value; + break; + case V4L2_CID_AUDIO_VOLUME: + value = 0x3f - (ctl->value & 0x3f); + break; + case V4L2_CID_SATURATION: + /* special v_sat handling */ + v_sat_value = ctl->value - (0x7f - 0x5a); + if (v_sat_value > 0xff) + v_sat_value = 0xff; + if (v_sat_value < 0x00) + v_sat_value = 0x00; + cx_andor(MO_UV_SATURATION, 0xff00, v_sat_value << 8); + /* fall through to default route for u_sat */ + default: + value = ((ctl->value - c->off) << c->shift) & c->mask; + break; + } + dprintk(1,"set_control id=0x%X reg=0x%x val=0x%x%s\n", + ctl->id, c->reg, value, c->sreg ? " [shadowed]" : ""); + if (c->sreg) { + cx_sandor(c->sreg, c->reg, c->mask, value); + } else { + cx_andor(c->reg, c->mask, value); + } + return 0; +} + +static void init_controls(struct cx8800_dev *dev) +{ + static struct v4l2_control mute = { + .id = V4L2_CID_AUDIO_MUTE, + .value = 1, + }; + static struct v4l2_control volume = { + .id = V4L2_CID_AUDIO_VOLUME, + .value = 0x3f, + }; + + set_control(dev,&mute); + set_control(dev,&volume); +} + +/* ------------------------------------------------------------------ */ + +static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh, + struct v4l2_format *f) +{ + switch (f->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + memset(&f->fmt.pix,0,sizeof(f->fmt.pix)); + f->fmt.pix.width = fh->width; + f->fmt.pix.height = fh->height; + f->fmt.pix.field = fh->vidq.field; + f->fmt.pix.pixelformat = fh->fmt->fourcc; + f->fmt.pix.bytesperline = + (f->fmt.pix.width * fh->fmt->depth) >> 3; + f->fmt.pix.sizeimage = + f->fmt.pix.height * f->fmt.pix.bytesperline; + return 0; + case V4L2_BUF_TYPE_VBI_CAPTURE: + cx8800_vbi_fmt(dev, f); + return 0; + default: + return -EINVAL; + } +} + +static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh, + struct v4l2_format *f) +{ + switch (f->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + { + struct cx8800_fmt *fmt; + enum v4l2_field field; + unsigned int maxw, maxh; + + fmt = format_by_fourcc(f->fmt.pix.pixelformat); + if (NULL == fmt) + return -EINVAL; + + field = f->fmt.pix.field; + maxw = norm_maxw(dev->core->tvnorm); + maxh = norm_maxh(dev->core->tvnorm); + + if (V4L2_FIELD_ANY == field) { + field = (f->fmt.pix.height > maxh/2) + ? V4L2_FIELD_INTERLACED + : V4L2_FIELD_BOTTOM; + } + + switch (field) { + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + maxh = maxh / 2; + break; + case V4L2_FIELD_INTERLACED: + break; + default: + return -EINVAL; + } + + f->fmt.pix.field = field; + if (f->fmt.pix.height < 32) + f->fmt.pix.height = 32; + if (f->fmt.pix.height > maxh) + f->fmt.pix.height = maxh; + if (f->fmt.pix.width < 48) + f->fmt.pix.width = 48; + if (f->fmt.pix.width > maxw) + f->fmt.pix.width = maxw; + f->fmt.pix.width &= ~0x03; + f->fmt.pix.bytesperline = + (f->fmt.pix.width * fmt->depth) >> 3; + f->fmt.pix.sizeimage = + f->fmt.pix.height * f->fmt.pix.bytesperline; + + return 0; + } + case V4L2_BUF_TYPE_VBI_CAPTURE: + cx8800_vbi_fmt(dev, f); + return 0; + default: + return -EINVAL; + } +} + +static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh, + struct v4l2_format *f) +{ + int err; + + switch (f->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + err = cx8800_try_fmt(dev,fh,f); + if (0 != err) + return err; + + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->width = f->fmt.pix.width; + fh->height = f->fmt.pix.height; + fh->vidq.field = f->fmt.pix.field; + return 0; + case V4L2_BUF_TYPE_VBI_CAPTURE: + cx8800_vbi_fmt(dev, f); + return 0; + default: + return -EINVAL; + } +} + +/* + * This function is _not_ called directly, but from + * video_generic_ioctl (and maybe others). userspace + * copying is done already, arg is a kernel pointer. + */ +static int video_do_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, void *arg) +{ + struct cx8800_fh *fh = file->private_data; + struct cx8800_dev *dev = fh->dev; + struct cx88_core *core = dev->core; +#if 0 + unsigned long flags; +#endif + int err; + + if (video_debug > 1) + cx88_print_ioctl(core->name,cmd); + switch (cmd) { + case VIDIOC_QUERYCAP: + { + struct v4l2_capability *cap = arg; + + memset(cap,0,sizeof(*cap)); + strcpy(cap->driver, "cx8800"); + strlcpy(cap->card, cx88_boards[core->board].name, + sizeof(cap->card)); + sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); + cap->version = CX88_VERSION_CODE; + cap->capabilities = + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING | + V4L2_CAP_VBI_CAPTURE | +#if 0 + V4L2_CAP_VIDEO_OVERLAY | +#endif + 0; + if (UNSET != core->tuner_type) + cap->capabilities |= V4L2_CAP_TUNER; + return 0; + } + + /* ---------- tv norms ---------- */ + case VIDIOC_ENUMSTD: + { + struct v4l2_standard *e = arg; + unsigned int i; + + i = e->index; + if (i >= ARRAY_SIZE(tvnorms)) + return -EINVAL; + err = v4l2_video_std_construct(e, tvnorms[e->index].id, + tvnorms[e->index].name); + e->index = i; + if (err < 0) + return err; + return 0; + } + case VIDIOC_G_STD: + { + v4l2_std_id *id = arg; + + *id = core->tvnorm->id; + return 0; + } + case VIDIOC_S_STD: + { + v4l2_std_id *id = arg; + unsigned int i; + + for(i = 0; i < ARRAY_SIZE(tvnorms); i++) + if (*id & tvnorms[i].id) + break; + if (i == ARRAY_SIZE(tvnorms)) + return -EINVAL; + + down(&dev->lock); + cx88_set_tvnorm(dev->core,&tvnorms[i]); + up(&dev->lock); + return 0; + } + + /* ------ input switching ---------- */ + case VIDIOC_ENUMINPUT: + { + static const char *iname[] = { + [ CX88_VMUX_COMPOSITE1 ] = "Composite1", + [ CX88_VMUX_COMPOSITE2 ] = "Composite2", + [ CX88_VMUX_COMPOSITE3 ] = "Composite3", + [ CX88_VMUX_COMPOSITE4 ] = "Composite4", + [ CX88_VMUX_SVIDEO ] = "S-Video", + [ CX88_VMUX_TELEVISION ] = "Television", + [ CX88_VMUX_CABLE ] = "Cable TV", + [ CX88_VMUX_DVB ] = "DVB", + [ CX88_VMUX_DEBUG ] = "for debug only", + }; + struct v4l2_input *i = arg; + unsigned int n; + + n = i->index; + if (n >= 4) + return -EINVAL; + if (0 == INPUT(n)->type) + return -EINVAL; + memset(i,0,sizeof(*i)); + i->index = n; + i->type = V4L2_INPUT_TYPE_CAMERA; + strcpy(i->name,iname[INPUT(n)->type]); + if ((CX88_VMUX_TELEVISION == INPUT(n)->type) || + (CX88_VMUX_CABLE == INPUT(n)->type)) + i->type = V4L2_INPUT_TYPE_TUNER; + for (n = 0; n < ARRAY_SIZE(tvnorms); n++) + i->std |= tvnorms[n].id; + return 0; + } + case VIDIOC_G_INPUT: + { + unsigned int *i = arg; + + *i = dev->core->input; + return 0; + } + case VIDIOC_S_INPUT: + { + unsigned int *i = arg; + + if (*i >= 4) + return -EINVAL; + down(&dev->lock); + cx88_newstation(core); + video_mux(dev,*i); + up(&dev->lock); + return 0; + } + + +#if 0 + /* needs review */ + case VIDIOC_G_AUDIO: + { + struct v4l2_audio *a = arg; + unsigned int n = a->index; + + memset(a,0,sizeof(*a)); + a->index = n; + switch (n) { + case 0: + if ((CX88_VMUX_TELEVISION == INPUT(n)->type) + || (CX88_VMUX_CABLE == INPUT(n)->type)) { + strcpy(a->name,"Television"); + // FIXME figure out if stereo received and set V4L2_AUDCAP_STEREO. + return 0; + } + break; + case 1: + if (CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD == core->board) { + strcpy(a->name,"Line In"); + a->capability = V4L2_AUDCAP_STEREO; + return 0; + } + break; + } + // Audio input not available. + return -EINVAL; + } +#endif + + /* --- capture ioctls ---------------------------------------- */ + case VIDIOC_ENUM_FMT: + { + struct v4l2_fmtdesc *f = arg; + enum v4l2_buf_type type; + unsigned int index; + + index = f->index; + type = f->type; + switch (type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (index >= ARRAY_SIZE(formats)) + return -EINVAL; + memset(f,0,sizeof(*f)); + f->index = index; + f->type = type; + strlcpy(f->description,formats[index].name,sizeof(f->description)); + f->pixelformat = formats[index].fourcc; + break; + default: + return -EINVAL; + } + return 0; + } + case VIDIOC_G_FMT: + { + struct v4l2_format *f = arg; + return cx8800_g_fmt(dev,fh,f); + } + case VIDIOC_S_FMT: + { + struct v4l2_format *f = arg; + return cx8800_s_fmt(dev,fh,f); + } + case VIDIOC_TRY_FMT: + { + struct v4l2_format *f = arg; + return cx8800_try_fmt(dev,fh,f); + } + + /* --- controls ---------------------------------------------- */ + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *c = arg; + int i; + + if (c->id < V4L2_CID_BASE || + c->id >= V4L2_CID_LASTP1) + return -EINVAL; + for (i = 0; i < CX8800_CTLS; i++) + if (cx8800_ctls[i].v.id == c->id) + break; + if (i == CX8800_CTLS) { + *c = no_ctl; + return 0; + } + *c = cx8800_ctls[i].v; + return 0; + } + case VIDIOC_G_CTRL: + return get_control(dev,arg); + case VIDIOC_S_CTRL: + return set_control(dev,arg); + + /* --- tuner ioctls ------------------------------------------ */ + case VIDIOC_G_TUNER: + { + struct v4l2_tuner *t = arg; + u32 reg; + + if (UNSET == core->tuner_type) + return -EINVAL; + if (0 != t->index) + return -EINVAL; + + memset(t,0,sizeof(*t)); + strcpy(t->name, "Television"); + t->type = V4L2_TUNER_ANALOG_TV; + t->capability = V4L2_TUNER_CAP_NORM; + t->rangehigh = 0xffffffffUL; + + cx88_get_stereo(core ,t); + reg = cx_read(MO_DEVICE_STATUS); + t->signal = (reg & (1<<5)) ? 0xffff : 0x0000; + return 0; + } + case VIDIOC_S_TUNER: + { + struct v4l2_tuner *t = arg; + + if (UNSET == core->tuner_type) + return -EINVAL; + if (0 != t->index) + return -EINVAL; + cx88_set_stereo(core, t->audmode, 1); + return 0; + } + case VIDIOC_G_FREQUENCY: + { + struct v4l2_frequency *f = arg; + + if (UNSET == core->tuner_type) + return -EINVAL; + if (f->tuner != 0) + return -EINVAL; + memset(f,0,sizeof(*f)); + f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + f->frequency = dev->freq; + return 0; + } + case VIDIOC_S_FREQUENCY: + { + struct v4l2_frequency *f = arg; + + if (UNSET == core->tuner_type) + return -EINVAL; + if (f->tuner != 0) + return -EINVAL; + if (0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV) + return -EINVAL; + if (1 == fh->radio && f->type != V4L2_TUNER_RADIO) + return -EINVAL; + down(&dev->lock); + dev->freq = f->frequency; + cx88_newstation(core); +#ifdef V4L2_I2C_CLIENTS + cx88_call_i2c_clients(dev->core,VIDIOC_S_FREQUENCY,f); +#else + cx88_call_i2c_clients(dev->core,VIDIOCSFREQ,&dev->freq); +#endif + up(&dev->lock); + return 0; + } + + /* --- streaming capture ------------------------------------- */ + case VIDIOCGMBUF: + { + struct video_mbuf *mbuf = arg; + struct videobuf_queue *q; + struct v4l2_requestbuffers req; + unsigned int i; + + q = get_queue(fh); + memset(&req,0,sizeof(req)); + req.type = q->type; + req.count = 8; + req.memory = V4L2_MEMORY_MMAP; + err = videobuf_reqbufs(q,&req); + if (err < 0) + return err; + memset(mbuf,0,sizeof(*mbuf)); + mbuf->frames = req.count; + mbuf->size = 0; + for (i = 0; i < mbuf->frames; i++) { + mbuf->offsets[i] = q->bufs[i]->boff; + mbuf->size += q->bufs[i]->bsize; + } + return 0; + } + case VIDIOC_REQBUFS: + return videobuf_reqbufs(get_queue(fh), arg); + + case VIDIOC_QUERYBUF: + return videobuf_querybuf(get_queue(fh), arg); + + case VIDIOC_QBUF: + return videobuf_qbuf(get_queue(fh), arg); + + case VIDIOC_DQBUF: + return videobuf_dqbuf(get_queue(fh), arg, + file->f_flags & O_NONBLOCK); + + case VIDIOC_STREAMON: + { + int res = get_ressource(fh); + + if (!res_get(dev,fh,res)) + return -EBUSY; + return videobuf_streamon(get_queue(fh)); + } + case VIDIOC_STREAMOFF: + { + int res = get_ressource(fh); + + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev,fh,res); + return 0; + } + + default: + return v4l_compat_translate_ioctl(inode,file,cmd,arg, + video_do_ioctl); + } + return 0; +} + +static int video_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + return video_usercopy(inode, file, cmd, arg, video_do_ioctl); +} + +/* ----------------------------------------------------------- */ + +static int radio_do_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, void *arg) +{ + struct cx8800_fh *fh = file->private_data; + struct cx8800_dev *dev = fh->dev; + struct cx88_core *core = dev->core; + + if (video_debug > 1) + cx88_print_ioctl(core->name,cmd); + + switch (cmd) { + case VIDIOC_QUERYCAP: + { + struct v4l2_capability *cap = arg; + + memset(cap,0,sizeof(*cap)); + strcpy(cap->driver, "cx8800"); + strlcpy(cap->card, cx88_boards[core->board].name, + sizeof(cap->card)); + sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci)); + cap->version = CX88_VERSION_CODE; + cap->capabilities = V4L2_CAP_TUNER; + return 0; + } + case VIDIOC_G_TUNER: + { + struct v4l2_tuner *t = arg; + + if (t->index > 0) + return -EINVAL; + + memset(t,0,sizeof(*t)); + strcpy(t->name, "Radio"); + t->rangelow = (int)(65*16); + t->rangehigh = (int)(108*16); + +#ifdef V4L2_I2C_CLIENTS + cx88_call_i2c_clients(dev->core,VIDIOC_G_TUNER,t); +#else + { + struct video_tuner vt; + memset(&vt,0,sizeof(vt)); + cx88_call_i2c_clients(dev,VIDIOCGTUNER,&vt); + t->signal = vt.signal; + } +#endif + return 0; + } + case VIDIOC_ENUMINPUT: + { + struct v4l2_input *i = arg; + + if (i->index != 0) + return -EINVAL; + strcpy(i->name,"Radio"); + i->type = V4L2_INPUT_TYPE_TUNER; + return 0; + } + case VIDIOC_G_INPUT: + { + int *i = arg; + *i = 0; + return 0; + } + case VIDIOC_G_AUDIO: + { + struct v4l2_audio *a = arg; + + memset(a,0,sizeof(*a)); + strcpy(a->name,"Radio"); + return 0; + } + case VIDIOC_G_STD: + { + v4l2_std_id *id = arg; + *id = 0; + return 0; + } + case VIDIOC_S_AUDIO: + case VIDIOC_S_TUNER: + case VIDIOC_S_INPUT: + case VIDIOC_S_STD: + return 0; + + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *c = arg; + int i; + + if (c->id < V4L2_CID_BASE || + c->id >= V4L2_CID_LASTP1) + return -EINVAL; + if (c->id == V4L2_CID_AUDIO_MUTE) { + for (i = 0; i < CX8800_CTLS; i++) + if (cx8800_ctls[i].v.id == c->id) + break; + *c = cx8800_ctls[i].v; + } else + *c = no_ctl; + return 0; + } + + + case VIDIOC_G_CTRL: + case VIDIOC_S_CTRL: + case VIDIOC_G_FREQUENCY: + case VIDIOC_S_FREQUENCY: + return video_do_ioctl(inode,file,cmd,arg); + + default: + return v4l_compat_translate_ioctl(inode,file,cmd,arg, + radio_do_ioctl); + } + return 0; +}; + +static int radio_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + return video_usercopy(inode, file, cmd, arg, radio_do_ioctl); +}; + +/* ----------------------------------------------------------- */ + +static void cx8800_vid_timeout(unsigned long data) +{ + struct cx8800_dev *dev = (struct cx8800_dev*)data; + struct cx88_core *core = dev->core; + struct cx88_dmaqueue *q = &dev->vidq; + struct cx88_buffer *buf; + unsigned long flags; + + cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH21]); + + cx_clear(MO_VID_DMACNTRL, 0x11); + cx_clear(VID_CAPTURE_CONTROL, 0x06); + + spin_lock_irqsave(&dev->slock,flags); + while (!list_empty(&q->active)) { + buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); + list_del(&buf->vb.queue); + buf->vb.state = STATE_ERROR; + wake_up(&buf->vb.done); + printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name, + buf, buf->vb.i, (unsigned long)buf->risc.dma); + } + restart_video_queue(dev,q); + spin_unlock_irqrestore(&dev->slock,flags); +} + +static void cx8800_vid_irq(struct cx8800_dev *dev) +{ + struct cx88_core *core = dev->core; + u32 status, mask, count; + + status = cx_read(MO_VID_INTSTAT); + mask = cx_read(MO_VID_INTMSK); + if (0 == (status & mask)) + return; + cx_write(MO_VID_INTSTAT, status); + if (irq_debug || (status & mask & ~0xff)) + cx88_print_irqbits(core->name, "irq vid", + cx88_vid_irqs, status, mask); + + /* risc op code error */ + if (status & (1 << 16)) { + printk(KERN_WARNING "%s/0: video risc op code error\n",core->name); + cx_clear(MO_VID_DMACNTRL, 0x11); + cx_clear(VID_CAPTURE_CONTROL, 0x06); + cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH21]); + } + + /* risc1 y */ + if (status & 0x01) { + spin_lock(&dev->slock); + count = cx_read(MO_VIDY_GPCNT); + cx88_wakeup(dev->core, &dev->vidq, count); + spin_unlock(&dev->slock); + } + + /* risc1 vbi */ + if (status & 0x08) { + spin_lock(&dev->slock); + count = cx_read(MO_VBI_GPCNT); + cx88_wakeup(dev->core, &dev->vbiq, count); + spin_unlock(&dev->slock); + } + + /* risc2 y */ + if (status & 0x10) { + dprintk(2,"stopper video\n"); + spin_lock(&dev->slock); + restart_video_queue(dev,&dev->vidq); + spin_unlock(&dev->slock); + } + + /* risc2 vbi */ + if (status & 0x80) { + dprintk(2,"stopper vbi\n"); + spin_lock(&dev->slock); + cx8800_restart_vbi_queue(dev,&dev->vbiq); + spin_unlock(&dev->slock); + } +} + +static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs) +{ + struct cx8800_dev *dev = dev_id; + struct cx88_core *core = dev->core; + u32 status; + int loop, handled = 0; + + for (loop = 0; loop < 10; loop++) { + status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01); + if (0 == status) + goto out; + cx_write(MO_PCI_INTSTAT, status); + handled = 1; + + if (status & core->pci_irqmask) + cx88_core_irq(core,status); + if (status & 0x01) + cx8800_vid_irq(dev); + }; + if (10 == loop) { + printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", + core->name); + cx_write(MO_PCI_INTMSK,0); + } + + out: + return IRQ_RETVAL(handled); +} + +/* ----------------------------------------------------------- */ +/* exported stuff */ + +static struct file_operations video_fops = +{ + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl, + .llseek = no_llseek, +}; + +struct video_device cx8800_video_template = +{ + .name = "cx8800-video", + .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES, + .hardware = 0, + .fops = &video_fops, + .minor = -1, +}; + +struct video_device cx8800_vbi_template = +{ + .name = "cx8800-vbi", + .type = VID_TYPE_TELETEXT|VID_TYPE_TUNER, + .hardware = 0, + .fops = &video_fops, + .minor = -1, +}; + +static struct file_operations radio_fops = +{ + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .ioctl = radio_ioctl, + .llseek = no_llseek, +}; + +struct video_device cx8800_radio_template = +{ + .name = "cx8800-radio", + .type = VID_TYPE_TUNER, + .hardware = 0, + .fops = &radio_fops, + .minor = -1, +}; + +/* ----------------------------------------------------------- */ + +static void cx8800_unregister_video(struct cx8800_dev *dev) +{ + if (dev->radio_dev) { + if (-1 != dev->radio_dev->minor) + video_unregister_device(dev->radio_dev); + else + video_device_release(dev->radio_dev); + dev->radio_dev = NULL; + } + if (dev->vbi_dev) { + if (-1 != dev->vbi_dev->minor) + video_unregister_device(dev->vbi_dev); + else + video_device_release(dev->vbi_dev); + dev->vbi_dev = NULL; + } + if (dev->video_dev) { + if (-1 != dev->video_dev->minor) + video_unregister_device(dev->video_dev); + else + video_device_release(dev->video_dev); + dev->video_dev = NULL; + } +} + +static int __devinit cx8800_initdev(struct pci_dev *pci_dev, + const struct pci_device_id *pci_id) +{ + struct cx8800_dev *dev; + struct cx88_core *core; + int err; + + dev = kmalloc(sizeof(*dev),GFP_KERNEL); + if (NULL == dev) + return -ENOMEM; + memset(dev,0,sizeof(*dev)); + + /* pci init */ + dev->pci = pci_dev; + if (pci_enable_device(pci_dev)) { + err = -EIO; + goto fail_free; + } + core = cx88_core_get(dev->pci); + if (NULL == core) { + err = -EINVAL; + goto fail_free; + } + dev->core = core; + + /* print pci info */ + pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); + pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); + printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " + "latency: %d, mmio: 0x%lx\n", core->name, + pci_name(pci_dev), dev->pci_rev, pci_dev->irq, + dev->pci_lat,pci_resource_start(pci_dev,0)); + + pci_set_master(pci_dev); + if (!pci_dma_supported(pci_dev,0xffffffff)) { + printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name); + err = -EIO; + goto fail_core; + } + + /* initialize driver struct */ + init_MUTEX(&dev->lock); + spin_lock_init(&dev->slock); + core->tvnorm = tvnorms; + + /* init video dma queues */ + INIT_LIST_HEAD(&dev->vidq.active); + INIT_LIST_HEAD(&dev->vidq.queued); + dev->vidq.timeout.function = cx8800_vid_timeout; + dev->vidq.timeout.data = (unsigned long)dev; + init_timer(&dev->vidq.timeout); + cx88_risc_stopper(dev->pci,&dev->vidq.stopper, + MO_VID_DMACNTRL,0x11,0x00); + + /* init vbi dma queues */ + INIT_LIST_HEAD(&dev->vbiq.active); + INIT_LIST_HEAD(&dev->vbiq.queued); + dev->vbiq.timeout.function = cx8800_vbi_timeout; + dev->vbiq.timeout.data = (unsigned long)dev; + init_timer(&dev->vbiq.timeout); + cx88_risc_stopper(dev->pci,&dev->vbiq.stopper, + MO_VID_DMACNTRL,0x88,0x00); + + /* get irq */ + err = request_irq(pci_dev->irq, cx8800_irq, + SA_SHIRQ | SA_INTERRUPT, core->name, dev); + if (err < 0) { + printk(KERN_ERR "%s: can't get IRQ %d\n", + core->name,pci_dev->irq); + goto fail_core; + } + cx_set(MO_PCI_INTMSK, core->pci_irqmask); + + /* load and configure helper modules */ + if (TUNER_ABSENT != core->tuner_type) + request_module("tuner"); + if (core->tda9887_conf) + request_module("tda9887"); + if (core->tuner_type != UNSET) + cx88_call_i2c_clients(dev->core,TUNER_SET_TYPE,&core->tuner_type); + if (core->tda9887_conf) + cx88_call_i2c_clients(dev->core,TDA9887_SET_CONFIG,&core->tda9887_conf); + + /* register v4l devices */ + dev->video_dev = cx88_vdev_init(core,dev->pci, + &cx8800_video_template,"video"); + err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, + video_nr[core->nr]); + if (err < 0) { + printk(KERN_INFO "%s: can't register video device\n", + core->name); + goto fail_unreg; + } + printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n", + core->name,dev->video_dev->minor & 0x1f); + + dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi"); + err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, + vbi_nr[core->nr]); + if (err < 0) { + printk(KERN_INFO "%s/0: can't register vbi device\n", + core->name); + goto fail_unreg; + } + printk(KERN_INFO "%s/0: registered device vbi%d\n", + core->name,dev->vbi_dev->minor & 0x1f); + + if (core->has_radio) { + dev->radio_dev = cx88_vdev_init(core,dev->pci, + &cx8800_radio_template,"radio"); + err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, + radio_nr[core->nr]); + if (err < 0) { + printk(KERN_INFO "%s/0: can't register radio device\n", + core->name); + goto fail_unreg; + } + printk(KERN_INFO "%s/0: registered device radio%d\n", + core->name,dev->radio_dev->minor & 0x1f); + } + + /* everything worked */ + list_add_tail(&dev->devlist,&cx8800_devlist); + pci_set_drvdata(pci_dev,dev); + + /* initial device configuration */ + down(&dev->lock); + init_controls(dev); + cx88_set_tvnorm(dev->core,tvnorms); + video_mux(dev,0); + up(&dev->lock); + + /* start tvaudio thread */ + if (core->tuner_type != TUNER_ABSENT) + core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio"); + return 0; + +fail_unreg: + cx8800_unregister_video(dev); + free_irq(pci_dev->irq, dev); +fail_core: + cx88_core_put(core,dev->pci); +fail_free: + kfree(dev); + return err; +} + +static void __devexit cx8800_finidev(struct pci_dev *pci_dev) +{ + struct cx8800_dev *dev = pci_get_drvdata(pci_dev); + + /* stop thread */ + if (dev->core->kthread) { + kthread_stop(dev->core->kthread); + dev->core->kthread = NULL; + } + + cx88_shutdown(dev->core); /* FIXME */ + pci_disable_device(pci_dev); + + /* unregister stuff */ + + free_irq(pci_dev->irq, dev); + cx8800_unregister_video(dev); + pci_set_drvdata(pci_dev, NULL); + + /* free memory */ + btcx_riscmem_free(dev->pci,&dev->vidq.stopper); + list_del(&dev->devlist); + cx88_core_put(dev->core,dev->pci); + kfree(dev); +} + +static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state) +{ + struct cx8800_dev *dev = pci_get_drvdata(pci_dev); + struct cx88_core *core = dev->core; + + /* stop video+vbi capture */ + spin_lock(&dev->slock); + if (!list_empty(&dev->vidq.active)) { + printk("%s: suspend video\n", core->name); + stop_video_dma(dev); + del_timer(&dev->vidq.timeout); + } + if (!list_empty(&dev->vbiq.active)) { + printk("%s: suspend vbi\n", core->name); + cx8800_stop_vbi_dma(dev); + del_timer(&dev->vbiq.timeout); + } + spin_unlock(&dev->slock); + +#if 1 + /* FIXME -- shutdown device */ + cx88_shutdown(dev->core); +#endif + + pci_save_state(pci_dev); + if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { + pci_disable_device(pci_dev); + dev->state.disabled = 1; + } + return 0; +} + +static int cx8800_resume(struct pci_dev *pci_dev) +{ + struct cx8800_dev *dev = pci_get_drvdata(pci_dev); + struct cx88_core *core = dev->core; + + if (dev->state.disabled) { + pci_enable_device(pci_dev); + dev->state.disabled = 0; + } + pci_set_power_state(pci_dev, PCI_D0); + pci_restore_state(pci_dev); + +#if 1 + /* FIXME: re-initialize hardware */ + cx88_reset(dev->core); +#endif + + /* restart video+vbi capture */ + spin_lock(&dev->slock); + if (!list_empty(&dev->vidq.active)) { + printk("%s: resume video\n", core->name); + restart_video_queue(dev,&dev->vidq); + } + if (!list_empty(&dev->vbiq.active)) { + printk("%s: resume vbi\n", core->name); + cx8800_restart_vbi_queue(dev,&dev->vbiq); + } + spin_unlock(&dev->slock); + + return 0; +} + +/* ----------------------------------------------------------- */ + +struct pci_device_id cx8800_pci_tbl[] = { + { + .vendor = 0x14f1, + .device = 0x8800, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + },{ + /* --- end of list --- */ + } +}; +MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl); + +static struct pci_driver cx8800_pci_driver = { + .name = "cx8800", + .id_table = cx8800_pci_tbl, + .probe = cx8800_initdev, + .remove = __devexit_p(cx8800_finidev), + + .suspend = cx8800_suspend, + .resume = cx8800_resume, +}; + +static int cx8800_init(void) +{ + printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n", + (CX88_VERSION_CODE >> 16) & 0xff, + (CX88_VERSION_CODE >> 8) & 0xff, + CX88_VERSION_CODE & 0xff); +#ifdef SNAPSHOT + printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", + SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); +#endif + return pci_register_driver(&cx8800_pci_driver); +} + +static void cx8800_fini(void) +{ + pci_unregister_driver(&cx8800_pci_driver); +} + +module_init(cx8800_init); +module_exit(cx8800_fini); + +/* ----------------------------------------------------------- */ +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ |