/* * device driver for Conexant 2388x based TV cards * video4linux video interface * * (c) 2003-04 Gerd Knorr [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 #include #include #include #include #include #include #include #include "cx88.h" #define V4L2_I2C_CLIENTS 1 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); MODULE_AUTHOR("Gerd Knorr [SuSE Labs]"); MODULE_LICENSE("GPL"); /* ------------------------------------------------------------------ */ static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; MODULE_PARM(video_nr,"1-" __stringify(CX88_MAXBOARDS) "i"); MODULE_PARM_DESC(video_nr,"video device numbers"); static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; MODULE_PARM(vbi_nr,"1-" __stringify(CX88_MAXBOARDS) "i"); MODULE_PARM_DESC(vbi_nr,"vbi device numbers"); static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; MODULE_PARM(radio_nr,"1-" __stringify(CX88_MAXBOARDS) "i"); MODULE_PARM_DESC(radio_nr,"radio device numbers"); static unsigned int latency = UNSET; MODULE_PARM(latency,"i"); MODULE_PARM_DESC(latency,"pci latency timer"); static unsigned int video_debug = 0; MODULE_PARM(video_debug,"i"); MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); static unsigned int irq_debug = 0; MODULE_PARM(irq_debug,"i"); MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); static unsigned int vid_limit = 16; MODULE_PARM(vid_limit,"i"); MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); static unsigned int tuner[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; MODULE_PARM(tuner,"1-" __stringify(CX88_MAXBOARDS) "i"); MODULE_PARM_DESC(tuner,"tuner type"); static unsigned int card[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; MODULE_PARM(card,"1-" __stringify(CX88_MAXBOARDS) "i"); MODULE_PARM_DESC(card,"card type"); static unsigned int nicam = 0; MODULE_PARM(nicam,"i"); MODULE_PARM_DESC(nicam,"tv audio is nicam"); #define dprintk(level,fmt, arg...) if (video_debug >= level) \ printk(KERN_DEBUG "%s: " fmt, dev->name , ## arg) /* ------------------------------------------------------------------ */ static struct list_head cx8800_devlist; static unsigned int cx8800_devcount; /* ------------------------------------------------------------------- */ /* static data */ static unsigned int inline norm_swidth(struct cx8800_tvnorm *norm) { return (norm->id & V4L2_STD_625_50) ? 922 : 754; } static unsigned int inline norm_hdelay(struct cx8800_tvnorm *norm) { return (norm->id & V4L2_STD_625_50) ? 186 : 135; } static unsigned int inline norm_vdelay(struct cx8800_tvnorm *norm) { return (norm->id & V4L2_STD_625_50) ? 0x24 : 0x18; } static unsigned int inline norm_maxw(struct cx8800_tvnorm *norm) { return (norm->id & V4L2_STD_625_50) ? 768 : 640; // return (norm->id & V4L2_STD_625_50) ? 720 : 640; } static unsigned int inline norm_maxh(struct cx8800_tvnorm *norm) { return (norm->id & V4L2_STD_625_50) ? 576 : 480; } static unsigned int inline norm_fsc8(struct cx8800_tvnorm *norm) { static const unsigned int ntsc = 28636360; static const unsigned int pal = 35468950; return (norm->id & V4L2_STD_625_50) ? pal : ntsc; } static unsigned int inline norm_notchfilter(struct cx8800_tvnorm *norm) { return (norm->id & V4L2_STD_625_50) ? HLNotchFilter135PAL : HLNotchFilter135NTSC; } static unsigned int inline norm_htotal(struct cx8800_tvnorm *norm) { return (norm->id & V4L2_STD_625_50) ? 1135 : 910; } static unsigned int inline norm_vbipack(struct cx8800_tvnorm *norm) { return (norm->id & V4L2_STD_625_50) ? 511 : 288; } static struct cx8800_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 const u32 xtal = 28636363; static int set_pll(struct cx8800_dev *dev, int prescale, u32 ofreq) { static u32 pre[] = { 0, 0, 0, 3, 2, 1 }; u64 pll; u32 reg; int i; if (prescale < 2) prescale = 2; if (prescale > 5) prescale = 5; pll = ofreq * 8 * prescale * (u64)(1 << 20); do_div(pll,xtal); reg = (pll & 0x3ffffff) | (pre[prescale] << 26); if (((reg >> 20) & 0x3f) < 14) { printk("%s: pll out of range\n",dev->name); return -1; } dprintk(1,"set_pll: MO_PLL_REG 0x%08x [old=0x%08x,freq=%d]\n", reg, cx_read(MO_PLL_REG), ofreq); cx_write(MO_PLL_REG, reg); for (i = 0; i < 10; i++) { reg = cx_read(MO_DEVICE_STATUS); if (reg & (1<<2)) { dprintk(1,"pll locked [pre=%d,ofreq=%d]\n", prescale,ofreq); return 0; } dprintk(1,"pll not locked yet, waiting ...\n"); set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(HZ/10); } dprintk(1,"pll NOT locked [pre=%d,ofreq=%d]\n",prescale,ofreq); return -1; } static int set_tvaudio(struct cx8800_dev *dev) { if (CX88_VMUX_TELEVISION != INPUT(dev->input)->type) return 0; if (V4L2_STD_PAL_BG & dev->tvnorm->id) { dev->tvaudio = nicam ? WW_NICAM_BGDKL : WW_A2_BG; } else if (V4L2_STD_PAL_DK & dev->tvnorm->id) { dev->tvaudio = nicam ? WW_NICAM_BGDKL : WW_A2_DK; } else if (V4L2_STD_PAL_I & dev->tvnorm->id) { dev->tvaudio = WW_NICAM_I; } else if (V4L2_STD_SECAM_L & dev->tvnorm->id) { dev->tvaudio = WW_SYSTEM_L_AM; } else if (V4L2_STD_SECAM_DK & dev->tvnorm->id) { dev->tvaudio = WW_A2_DK; } else if ((V4L2_STD_NTSC_M & dev->tvnorm->id) || (V4L2_STD_PAL_M & dev->tvnorm->id)) { dev->tvaudio = WW_BTSC; } else if (V4L2_STD_NTSC_M_JP & dev->tvnorm->id) { dev->tvaudio = WW_EIAJ; } else { printk("%s: tvaudio support needs work for this tv norm [%s], sorry\n", dev->name, dev->tvnorm->name); dev->tvaudio = 0; return 0; } cx_andor(MO_AFECFG_IO, 0x1f, 0x0); cx88_set_tvaudio(dev); // cx88_set_stereo(dev,V4L2_TUNER_MODE_STEREO); cx_write(MO_AUDD_LNGTH, 128/8); /* fifo size */ cx_write(MO_AUDR_LNGTH, 128/8); /* fifo size */ cx_write(MO_AUD_DMACNTRL, 0x03); /* need audio fifo */ return 0; } static int set_tvnorm(struct cx8800_dev *dev, struct cx8800_tvnorm *norm) { u32 fsc8; u32 adc_clock; u32 vdec_clock; u64 tmp64; u32 bdelay,agcdelay,htotal; dev->tvnorm = norm; fsc8 = norm_fsc8(norm); adc_clock = xtal; vdec_clock = fsc8; dprintk(1,"set_tvnorm: \"%s\" fsc8=%d adc=%d vdec=%d\n", norm->name, fsc8, adc_clock, vdec_clock); set_pll(dev,2,vdec_clock); dprintk(1,"set_tvnorm: MO_INPUT_FORMAT 0x%08x [old=0x%08x]\n", norm->cxiformat, cx_read(MO_INPUT_FORMAT) & 0x0f); cx_andor(MO_INPUT_FORMAT, 0xf, norm->cxiformat); #if 1 // FIXME: as-is from DScaler dprintk(1,"set_tvnorm: MO_OUTPUT_FORMAT 0x%08x [old=0x%08x]\n", norm->cxoformat, cx_read(MO_OUTPUT_FORMAT)); cx_write(MO_OUTPUT_FORMAT, norm->cxoformat); #endif // MO_SCONV_REG = adc clock / video dec clock * 2^17 tmp64 = adc_clock * (u64)(1 << 17); do_div(tmp64, vdec_clock); dprintk(1,"set_tvnorm: MO_SCONV_REG 0x%08x [old=0x%08x]\n", (u32)tmp64, cx_read(MO_SCONV_REG)); cx_write(MO_SCONV_REG, (u32)tmp64); // MO_SUB_STEP = 8 * fsc / video dec clock * 2^22 tmp64 = fsc8 * (u64)(1 << 22); do_div(tmp64, vdec_clock); dprintk(1,"set_tvnorm: MO_SUB_STEP 0x%08x [old=0x%08x]\n", (u32)tmp64, cx_read(MO_SUB_STEP)); cx_write(MO_SUB_STEP, (u32)tmp64); // MO_SUB_STEP_DR = 8 * 4406250 / video dec clock * 2^22 tmp64 = 4406250 * 8 * (u64)(1 << 22); do_div(tmp64, vdec_clock); dprintk(1,"set_tvnorm: MO_SUB_STEP_DR 0x%08x [old=0x%08x]\n", (u32)tmp64, cx_read(MO_SUB_STEP_DR)); cx_write(MO_SUB_STEP_DR, (u32)tmp64); // bdelay + agcdelay bdelay = vdec_clock * 65 / 20000000 + 21; agcdelay = vdec_clock * 68 / 20000000 + 15; dprintk(1,"set_tvnorm: MO_AGC_BURST 0x%08x [old=0x%08x,bdelay=%d,agcdelay=%d]\n", (bdelay << 8) | agcdelay, cx_read(MO_AGC_BURST), bdelay, agcdelay); cx_write(MO_AGC_BURST, (bdelay << 8) | agcdelay); // htotal tmp64 = norm_htotal(norm) * (u64)vdec_clock; do_div(tmp64, fsc8); htotal = (u32)tmp64 | (norm_notchfilter(norm) << 11); dprintk(1,"set_tvnorm: MO_HTOTAL 0x%08x [old=0x%08x,htotal=%d]\n", htotal, cx_read(MO_HTOTAL), (u32)tmp64); cx_write(MO_HTOTAL, htotal); // vbi stuff cx_write(MO_VBI_PACKET, ((1 << 11) | /* (norm_vdelay(norm) << 11) | */ norm_vbipack(norm))); // audio set_tvaudio(dev); // tell i2c chips #ifdef V4L2_I2C_CLIENTS cx8800_call_i2c_clients(dev,VIDIOC_S_STD,&norm->id); #else { struct video_channel c; memset(&c,0,sizeof(c)); c.channel = dev->input; c.norm = VIDEO_MODE_PAL; if ((norm->id & (V4L2_STD_NTSC_M|V4L2_STD_NTSC_M_JP))) c.norm = VIDEO_MODE_NTSC; if (norm->id & V4L2_STD_SECAM) c.norm = VIDEO_MODE_SECAM; cx8800_call_i2c_clients(dev,VIDIOCSCHAN,&c); } #endif // done return 0; } static int set_scale(struct cx8800_dev *dev, unsigned int width, unsigned int height, enum v4l2_field field) { unsigned int swidth = norm_swidth(dev->tvnorm); unsigned int sheight = norm_maxh(dev->tvnorm); u32 value; dprintk(1,"set_scale: %dx%d [%s%s,%s]\n", width, height, V4L2_FIELD_HAS_TOP(field) ? "T" : "", V4L2_FIELD_HAS_BOTTOM(field) ? "B" : "", dev->tvnorm->name); if (!V4L2_FIELD_HAS_BOTH(field)) height *= 2; // recalc H delay and scale registers value = (width * norm_hdelay(dev->tvnorm)) / swidth; value &= 0x3fe; cx_write(MO_HDELAY_EVEN, value); cx_write(MO_HDELAY_ODD, value); dprintk(1,"set_scale: hdelay 0x%04x\n", value); value = (swidth * 4096 / width) - 4096; cx_write(MO_HSCALE_EVEN, value); cx_write(MO_HSCALE_ODD, value); dprintk(1,"set_scale: hscale 0x%04x\n", value); cx_write(MO_HACTIVE_EVEN, width); cx_write(MO_HACTIVE_ODD, width); dprintk(1,"set_scale: hactive 0x%04x\n", width); // recalc V scale Register (delay is constant) cx_write(MO_VDELAY_EVEN, norm_vdelay(dev->tvnorm)); cx_write(MO_VDELAY_ODD, norm_vdelay(dev->tvnorm)); dprintk(1,"set_scale: vdelay 0x%04x\n", norm_vdelay(dev->tvnorm)); value = (0x10000 - (sheight * 512 / height - 512)) & 0x1fff; cx_write(MO_VSCALE_EVEN, value); cx_write(MO_VSCALE_ODD, value); dprintk(1,"set_scale: vscale 0x%04x\n", value); cx_write(MO_VACTIVE_EVEN, sheight); cx_write(MO_VACTIVE_ODD, sheight); dprintk(1,"set_scale: vactive 0x%04x\n", sheight); // setup filters value = 0; value |= (1 << 19); // CFILT (default) if (V4L2_FIELD_INTERLACED == field) value |= (1 << 3); // VINT (interlaced vertical scaling) if (width < 385) value |= (1 << 0); // 3-tap interpolation if (width < 193) value |= (1 << 1); // 5-tap interpolation cx_write(MO_FILTER_EVEN, value); cx_write(MO_FILTER_ODD, value); dprintk(1,"set_scale: filter 0x%04x\n", value); return 0; } static int video_mux(struct cx8800_dev *dev, unsigned int input) { 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->input = input; cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14); cx_write(MO_GP0_IO, INPUT(input)->gpio0); cx_write(MO_GP1_IO, INPUT(input)->gpio1); cx_write(MO_GP2_IO, INPUT(input)->gpio2); cx_write(MO_GP3_IO, INPUT(input)->gpio3); switch (INPUT(input)->type) { case CX88_VMUX_SVIDEO: cx_set(MO_AFECFG_IO, 0x00000001); cx_set(MO_INPUT_FORMAT, 0x00010010); break; default: cx_clear(MO_AFECFG_IO, 0x00000001); cx_clear(MO_INPUT_FORMAT, 0x00010010); break; } return 0; } /* ------------------------------------------------------------------ */ static int start_video_dma(struct cx8800_dev *dev, struct cx88_dmaqueue *q, struct cx88_buffer *buf) { /* setup fifo + format */ cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH21], buf->bpl, buf->risc.dma); set_scale(dev, 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,0x3); q->count = 1; /* enable irqs */ cx_set(MO_PCI_INTMSK, 0x00fc01); 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 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 file *file, unsigned int *count, unsigned int *size) { struct cx8800_fh *fh = file->private_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 file *file, struct videobuf_buffer *vb, enum v4l2_field field) { struct cx8800_fh *fh = file->private_data; struct cx8800_dev *dev = fh->dev; struct cx88_buffer *buf = (struct cx88_buffer*)vb; int rc, init_buffer = 0; BUG_ON(NULL == fh->fmt); if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) return -EINVAL; buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) return -EINVAL; if (buf->fmt != fh->fmt || buf->vb.width != fh->width || buf->vb.height != fh->height || buf->vb.field != field) { buf->fmt = fh->fmt; buf->vb.width = fh->width; buf->vb.height = fh->height; buf->vb.field = field; init_buffer = 1; } if (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 file *file, struct videobuf_buffer *vb) { struct cx88_buffer *buf = (struct cx88_buffer*)vb; struct cx88_buffer *prev; struct cx8800_fh *fh = file->private_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 | 0x10000); 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 file *file, struct videobuf_buffer *vb) { struct cx88_buffer *buf = (struct cx88_buffer*)vb; struct cx8800_fh *fh = file->private_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(dev->tvnorm); maxh = norm_maxh(dev->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)); 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)); init_MUTEX(&fh->vidq.lock); init_MUTEX(&fh->vbiq.lock); if (fh->radio) { dprintk(1,"video_open: setting radio device\n"); cx_write(MO_GP0_IO, cx88_boards[dev->board].radio.gpio0); cx_write(MO_GP1_IO, cx88_boards[dev->board].radio.gpio1); cx_write(MO_GP2_IO, cx88_boards[dev->board].radio.gpio2); cx_write(MO_GP3_IO, cx88_boards[dev->board].radio.gpio3); dev->tvaudio = WW_FM; cx88_set_tvaudio(dev); cx88_set_stereo(dev,V4L2_TUNER_MODE_STEREO); cx8800_call_i2c_clients(dev,AUDC_SET_RADIO,NULL); } 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(file, &fh->vidq, data, count, ppos); case V4L2_BUF_TYPE_VBI_CAPTURE: if (!res_get(fh->dev,fh,RESOURCE_VBI)) return -EBUSY; return videobuf_read_stream(file, &fh->vbiq, data, count, ppos, 1); default: BUG(); return 0; } } static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) { struct cx8800_fh *fh = file->private_data; if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) return videobuf_poll_stream(file, &fh->vbiq, wait); /* FIXME */ return POLLERR; } 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(file,&fh->vidq); res_free(dev,fh,RESOURCE_VIDEO); } if (fh->vidq.read_buf) { buffer_release(file,fh->vidq.read_buf); kfree(fh->vidq.read_buf); } /* stop vbi capture */ if (res_check(fh, RESOURCE_VBI)) { if (fh->vbiq.streaming) videobuf_streamoff(file,&fh->vbiq); if (fh->vbiq.reading) videobuf_read_stop(file,&fh->vbiq); res_free(dev,fh,RESOURCE_VBI); } 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(vma, get_queue(fh)); } /* ------------------------------------------------------------------ */ static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) { 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_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->tvnorm); maxh = norm_maxh(dev->tvnorm); if (V4L2_FIELD_ANY == field) { field = (f->fmt.pix.height > maxh/2) ? V4L2_FIELD_INTERLACED : V4L2_FIELD_BOTTOM; } switch (field) { case V4L2_FIELD_TOP: case V4L2_FIELD_BOTTOM: maxh = maxh / 2; break; case V4L2_FIELD_INTERLACED: break; default: return -EINVAL; } f->fmt.pix.field = field; 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; #if 0 unsigned long flags; #endif int err; if (video_debug > 1) cx88_print_ioctl(dev->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[dev->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 != dev->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 = dev->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); set_tvnorm(dev,&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_TELEVISION ] = "Television", [ CX88_VMUX_SVIDEO ] = "S-Video", [ 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) 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->input; return 0; } case VIDIOC_S_INPUT: { unsigned int *i = arg; if (*i >= 4) return -EINVAL; down(&dev->lock); video_mux(dev,*i); up(&dev->lock); return 0; } /* --- 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 == dev->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(dev ,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 == dev->tuner_type) return -EINVAL; if (0 != t->index) return -EINVAL; cx88_set_stereo(dev,t->audmode); return 0; } case VIDIOC_G_FREQUENCY: { struct v4l2_frequency *f = arg; if (UNSET == dev->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 == dev->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; #ifdef V4L2_I2C_CLIENTS cx8800_call_i2c_clients(dev,VIDIOC_S_FREQUENCY,f); #else cx8800_call_i2c_clients(dev,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(file,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(file, get_queue(fh), arg); case VIDIOC_QUERYBUF: return videobuf_querybuf(get_queue(fh), arg); case VIDIOC_QBUF: return videobuf_qbuf(file, get_queue(fh), arg); case VIDIOC_DQBUF: return videobuf_dqbuf(file, get_queue(fh), arg); case VIDIOC_STREAMON: { int res = get_ressource(fh); if (!res_get(dev,fh,res)) return -EBUSY; return videobuf_streamon(file, get_queue(fh)); } case VIDIOC_STREAMOFF: { int res = get_ressource(fh); err = videobuf_streamoff(file, 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; if (video_debug > 1) cx88_print_ioctl(dev->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[dev->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 cx8800_call_i2c_clients(dev,VIDIOC_G_TUNER,t); #else { struct video_tuner vt; memset(&vt,0,sizeof(vt)); cx8800_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_dmaqueue *q = &dev->vidq; struct cx88_buffer *buf; unsigned long flags; cx88_sram_channel_dump(dev, &cx88_sram_channels[SRAM_CH21]); //cx88_risc_disasm(dev,&dev->vidq.stopper); 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: [%p/%d] timeout - dma=0x%08lx\n", dev->name, buf, buf->vb.i, (unsigned long)buf->risc.dma); } restart_video_queue(dev,q); spin_unlock_irqrestore(&dev->slock,flags); } static void cx8800_wakeup(struct cx8800_dev *dev, struct cx88_dmaqueue *q, u32 count) { struct cx88_buffer *buf; for (;;) { if (list_empty(&q->active)) break; buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); if (buf->count > count) break; do_gettimeofday(&buf->vb.ts); dprintk(2,"[%p/%d] wakeup reg=%d buf=%d\n",buf,buf->vb.i, count, buf->count); buf->vb.state = STATE_DONE; list_del(&buf->vb.queue); wake_up(&buf->vb.done); } if (list_empty(&q->active)) { del_timer(&q->timeout); } else { mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); } } static void cx8800_vid_irq(struct cx8800_dev *dev) { 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(dev->name, "irq vid", cx88_vid_irqs, status, mask); /* risc op code error */ if (status & (1 << 16)) { printk(KERN_WARNING "%s: video risc op code error\n",dev->name); cx_clear(MO_VID_DMACNTRL, 0x11); cx_clear(VID_CAPTURE_CONTROL, 0x06); cx88_sram_channel_dump(dev, &cx88_sram_channels[SRAM_CH21]); } /* risc1 y */ if (status & 0x01) { spin_lock(&dev->slock); count = cx_read(MO_VIDY_GPCNT); cx8800_wakeup(dev, &dev->vidq, count); spin_unlock(&dev->slock); } /* risc1 vbi */ if (status & 0x08) { spin_lock(&dev->slock); count = cx_read(MO_VBI_GPCNT); cx8800_wakeup(dev, &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; u32 status, mask; int loop, handled = 0; for (loop = 0; loop < 10; loop++) { status = cx_read(MO_PCI_INTSTAT); mask = cx_read(MO_PCI_INTMSK); if (0 == (status & mask)) goto out; handled = 1; cx_write(MO_PCI_INTSTAT, status); if (irq_debug || (status & mask & ~0x1f)) cx88_print_irqbits(dev->name, "irq pci", cx88_pci_irqs, status, mask); if (status & 1) cx8800_vid_irq(dev); }; if (10 == loop) { printk(KERN_WARNING "%s: irq loop -- clearing mask\n", dev->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_shutdown(struct cx8800_dev *dev) { /* disable RISC controller + IRQs */ cx_write(MO_DEV_CNTRL2, 0); /* stop dma transfers */ cx_write(MO_VID_DMACNTRL, 0x0); cx_write(MO_AUD_DMACNTRL, 0x0); cx_write(MO_TS_DMACNTRL, 0x0); cx_write(MO_VIP_DMACNTRL, 0x0); cx_write(MO_GPHST_DMACNTRL, 0x0); /* stop interupts */ cx_write(MO_PCI_INTMSK, 0x0); cx_write(MO_VID_INTMSK, 0x0); cx_write(MO_AUD_INTMSK, 0x0); cx_write(MO_TS_INTMSK, 0x0); cx_write(MO_VIP_INTMSK, 0x0); cx_write(MO_GPHST_INTMSK, 0x0); /* stop capturing */ cx_write(VID_CAPTURE_CONTROL, 0); } static int cx8800_reset(struct cx8800_dev *dev) { dprintk(1,"cx8800_reset\n"); cx8800_shutdown(dev); /* clear irq status */ cx_write(MO_VID_INTSTAT, 0xFFFFFFFF); // Clear PIV int cx_write(MO_PCI_INTSTAT, 0xFFFFFFFF); // Clear PCI int cx_write(MO_INT1_STAT, 0xFFFFFFFF); // Clear RISC int /* wait a bit */ set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(HZ/10); /* init sram */ cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH21], 720*4, 0); cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH22], 128, 0); cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH23], 128, 0); cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH24], 128, 0); cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH25], 128, 0); cx88_sram_channel_setup(dev, &cx88_sram_channels[SRAM_CH26], 128, 0); /* misc init ... */ cx_write(MO_INPUT_FORMAT, ((1 << 13) | // agc enable (1 << 12) | // agc gain (1 << 11) | // adaptibe agc (0 << 10) | // chroma agc (0 << 9) | // ckillen (7))); /* setup image format */ cx_andor(MO_COLOR_CTRL, 0x4000, 0x4000); /* setup FIFO Threshholds */ cx_write(MO_PDMA_STHRSH, 0x0807); cx_write(MO_PDMA_DTHRSH, 0x0807); /* fixes flashing of image */ cx_write(MO_AGC_SYNC_TIP1, 0x0380000F); cx_write(MO_AGC_BACK_VBI, 0x00E00555); cx_write(MO_VID_INTSTAT, 0xFFFFFFFF); // Clear PIV int cx_write(MO_PCI_INTSTAT, 0xFFFFFFFF); // Clear PCI int cx_write(MO_INT1_STAT, 0xFFFFFFFF); // Clear RISC int return 0; } static struct video_device *vdev_init(struct cx8800_dev *dev, struct video_device *template, char *type) { struct video_device *vfd; vfd = video_device_alloc(); if (NULL == vfd) return NULL; *vfd = *template; vfd->minor = -1; vfd->dev = &dev->pci->dev; vfd->release = video_device_release; snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type, cx88_boards[dev->board].name); return vfd; } 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; unsigned int i; 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 fail1; } sprintf(dev->name,"cx%x[%d]",pci_dev->device,cx8800_devcount); /* pci quirks */ cx88_pci_quirks(dev->name, dev->pci, &latency); if (UNSET != latency) { printk(KERN_INFO "%s: setting pci latency timer to %d\n", dev->name,latency); pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); } /* 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: found at %s, rev: %d, irq: %d, " "latency: %d, mmio: 0x%lx\n", dev->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: Oops: no 32bit PCI DMA ???\n",dev->name); err = -EIO; goto fail1; } /* board config */ dev->board = card[cx8800_devcount]; for (i = 0; UNSET == dev->board && i < cx88_idcount; i++) if (pci_dev->subsystem_vendor == cx88_subids[i].subvendor && pci_dev->subsystem_device == cx88_subids[i].subdevice) dev->board = cx88_subids[i].card; if (UNSET == dev->board) { dev->board = CX88_BOARD_UNKNOWN; cx88_card_list(dev); } printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", dev->name,pci_dev->subsystem_vendor, pci_dev->subsystem_device,cx88_boards[dev->board].name, dev->board, card[cx8800_devcount] == dev->board ? "insmod option" : "autodetected"); dev->tuner_type = tuner[cx8800_devcount]; if (UNSET == dev->tuner_type) dev->tuner_type = cx88_boards[dev->board].tuner_type; /* get mmio */ if (!request_mem_region(pci_resource_start(pci_dev,0), pci_resource_len(pci_dev,0), dev->name)) { err = -EBUSY; printk(KERN_ERR "%s: can't get MMIO memory @ 0x%lx\n", dev->name,pci_resource_start(pci_dev,0)); goto fail1; } dev->lmmio = ioremap(pci_resource_start(pci_dev,0), pci_resource_len(pci_dev,0)); dev->bmmio = (u8*)dev->lmmio; /* initialize driver struct */ init_MUTEX(&dev->lock); dev->slock = SPIN_LOCK_UNLOCKED; dev->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); /* initialize hardware */ cx8800_reset(dev); /* get irq */ err = request_irq(pci_dev->irq, cx8800_irq, SA_SHIRQ | SA_INTERRUPT, dev->name, dev); if (err < 0) { printk(KERN_ERR "%s: can't get IRQ %d\n", dev->name,pci_dev->irq); goto fail2; } /* register i2c bus + load i2c helpers */ cx8800_i2c_init(dev); cx88_card_setup(dev); /* load and configure helper modules */ if (TUNER_ABSENT != dev->tuner_type) request_module("tuner"); if (cx88_boards[dev->board].needs_tda9887) request_module("tda9887"); if (dev->tuner_type != UNSET) cx8800_call_i2c_clients(dev,TUNER_SET_TYPE,&dev->tuner_type); /* register v4l devices */ dev->video_dev = vdev_init(dev,&cx8800_video_template,"video"); err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, video_nr[cx8800_devcount]); if (err < 0) { printk(KERN_INFO "%s: can't register video device\n", dev->name); goto fail3; } printk(KERN_INFO "%s: registered device video%d [v4l2]\n", dev->name,dev->video_dev->minor & 0x1f); dev->vbi_dev = vdev_init(dev,&cx8800_vbi_template,"vbi"); err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, vbi_nr[cx8800_devcount]); if (err < 0) { printk(KERN_INFO "%s: can't register vbi device\n", dev->name); goto fail3; } printk(KERN_INFO "%s: registered device vbi%d\n", dev->name,dev->vbi_dev->minor & 0x1f); if (dev->has_radio) { dev->radio_dev = vdev_init(dev,&cx8800_radio_template,"radio"); err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, radio_nr[cx8800_devcount]); if (err < 0) { printk(KERN_INFO "%s: can't register radio device\n", dev->name); goto fail3; } printk(KERN_INFO "%s: registered device radio%d\n", dev->name,dev->radio_dev->minor & 0x1f); } /* everything worked */ list_add_tail(&dev->devlist,&cx8800_devlist); pci_set_drvdata(pci_dev,dev); cx8800_devcount++; /* initial device configuration */ down(&dev->lock); init_controls(dev); set_tvnorm(dev,tvnorms); video_mux(dev,0); up(&dev->lock); /* start tvaudio thread */ init_completion(&dev->texit); dev->tpid = kernel_thread(cx88_audio_thread, dev, 0); return 0; fail3: cx8800_unregister_video(dev); if (0 == dev->i2c_rc) i2c_bit_del_bus(&dev->i2c_adap); free_irq(pci_dev->irq, dev); fail2: release_mem_region(pci_resource_start(pci_dev,0), pci_resource_len(pci_dev,0)); fail1: 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 */ dev->shutdown = 1; if (dev->tpid >= 0) wait_for_completion(&dev->texit); cx8800_shutdown(dev); pci_disable_device(pci_dev); /* unregister stuff */ if (0 == dev->i2c_rc) i2c_bit_del_bus(&dev->i2c_adap); free_irq(pci_dev->irq, dev); release_mem_region(pci_resource_start(pci_dev,0), pci_resource_len(pci_dev,0)); cx8800_unregister_video(dev); pci_set_drvdata(pci_dev, NULL); /* free memory */ btcx_riscmem_free(dev->pci,&dev->vidq.stopper); list_del(&dev->devlist); cx8800_devcount--; kfree(dev); } static int cx8800_suspend(struct pci_dev *pci_dev, u32 state) { struct cx8800_dev *dev = pci_get_drvdata(pci_dev); printk("%s: suspend %d\n", dev->name, state); cx8800_shutdown(dev); del_timer(&dev->vidq.timeout); pci_save_state(pci_dev, dev->state.pci_cfg); if (0 != pci_set_power_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); printk("%s: resume\n", dev->name); if (dev->state.disabled) { pci_enable_device(pci_dev); dev->state.disabled = 0; } pci_set_power_state(pci_dev, 0); pci_restore_state(pci_dev, dev->state.pci_cfg); /* re-initialize hardware */ cx8800_reset(dev); /* restart video capture */ spin_lock(&dev->slock); restart_video_queue(dev,&dev->vidq); 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 = cx8800_finidev, .suspend = cx8800_suspend, .resume = cx8800_resume, }; static int cx8800_init(void) { INIT_LIST_HEAD(&cx8800_devlist); 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_module_init(&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: */