Hi Bruno,
it look like that your e-mail program is line wrapping your patch.
Please read email-clients.txt in Linux Documentation and resubmit the patch,
otherwise it cannot be correctly handled by patchwork.kernel.org .
Thanks,
Nicola
Alle sabato 28 febbraio 2009, Bruno Christo ha scritto:
> I forgot to run make checkpatch before submitting the previous patch,
> here is the fixed patch:
>
> diff -r c770b20d15c6 linux/Documentation/video4linux/CARDLIST.bttv
> --- a/linux/Documentation/video4linux/CARDLIST.bttv Fri Feb 27
> 21:29:59 2009 -0300
> +++ b/linux/Documentation/video4linux/CARDLIST.bttv Sat Feb 28
> 17:09:23 2009 -0300
> @@ -155,3 +155,5 @@
> 154 -> PHYTEC VD-012-X1 (bt878)
> 155 -> PHYTEC VD-012-X2 (bt878)
> 156 -> IVCE-8784
> [0000:f050,0001:f050,0002:f050,0003:f050]
> +157 -> Geovision GV-800(S) (master) [800a:763d]
> +158 -> Geovision GV-800(S) (slave)
> [800b:763d,800c:763d,800d:763d]
> diff -r c770b20d15c6 linux/drivers/media/video/bt8xx/bttv-cards.c
> --- a/linux/drivers/media/video/bt8xx/bttv-cards.c Fri Feb 27 21:29:59
> 2009 -0300
> +++ b/linux/drivers/media/video/bt8xx/bttv-cards.c Sat Feb 28 17:09:23
> 2009 -0300
> @@ -75,6 +75,9 @@
> static void geovision_muxsel(struct bttv *btv, unsigned int input);
>
> static void phytec_muxsel(struct bttv *btv, unsigned int input);
> +
> +static void gv800s_muxsel(struct bttv *btv, unsigned int input);
> +static void gv800s_init(struct bttv *btv);
>
> static int terratec_active_radio_upgrade(struct bttv *btv);
> static int tea5757_read(struct bttv *btv);
> @@ -312,6 +315,10 @@
> { 0xd200dbc0, BTTV_BOARD_DVICO_FUSIONHDTV_2, "DViCO FusionHDTV 2" },
> { 0x763c008a, BTTV_BOARD_GEOVISION_GV600, "GeoVision GV-600" },
> { 0x18011000, BTTV_BOARD_ENLTV_FM_2, "Encore ENL TV-FM-2" },
> + { 0x763d800a, BTTV_BOARD_GEOVISION_GV800S, "GeoVision GV-800(S)
> (master)"
> }, + { 0x763d800b, BTTV_BOARD_GEOVISION_GV800S_SL, "GeoVision GV-800(S)
> (slave)" }, + { 0x763d800c, BTTV_BOARD_GEOVISION_GV800S_SL, "GeoVision
> GV-800(S) (slave)" }, + { 0x763d800d,
> BTTV_BOARD_GEOVISION_GV800S_SL, "GeoVision GV-800(S) (slave)" }, { 0,
> -1,
> NULL }
> };
>
> @@ -2847,7 +2854,60 @@
> .pll = PLL_28,
> .tuner_type = TUNER_ABSENT,
> .tuner_addr = ADDR_UNSET,
> - }
> + },
> + [BTTV_BOARD_GEOVISION_GV800S] = {
> + /* Bruno Christo <[email protected]>
> + *
> + * GeoVision GV-800(S) has 4 Conexant Fusion 878A:
> + * 1 audio input per BT878A = 4 audio inputs
> + * 4 video inputs per BT878A = 16 video inputs
> + * This is the first BT878A chip of the GV-800(S). It's the
> + * "master" chip and it controls the video inputs through an
> + * analog multiplexer (a CD22M3494) via some GPIO pins. The
> + * slaves should use card type 0x9e (following this one).
> + * There is a EEPROM on the card which is currently not handled.
> + * The audio input is not working yet.
> + */
> + .name = "Geovision GV-800(S) (master)",
> + .video_inputs = 4,
> + /* .audio_inputs= 1, */
> + .tuner_type = TUNER_ABSENT,
> + .tuner_addr = ADDR_UNSET,
> + .svhs = NO_SVHS,
> + .gpiomask = 0xf107f,
> + .no_gpioirq = 1,
> + .muxsel = MUXSEL(2, 2, 2, 2),
> + .pll = PLL_28,
> + .no_msp34xx = 1,
> + .no_tda7432 = 1,
> + .no_tda9875 = 1,
> + .muxsel_hook = gv800s_muxsel,
> + },
> + [BTTV_BOARD_GEOVISION_GV800S_SL] = {
> + /* Bruno Christo <[email protected]>
> + *
> + * GeoVision GV-800(S) has 4 Conexant Fusion 878A:
> + * 1 audio input per BT878A = 4 audio inputs
> + * 4 video inputs per BT878A = 16 video inputs
> + * The 3 other BT878A chips are "slave" chips of the GV-800(S)
> + * and should use this card type.
> + * The audio input is not working yet.
> + */
> + .name = "Geovision GV-800(S) (slave)",
> + .video_inputs = 4,
> + /* .audio_inputs= 1, */
> + .tuner_type = TUNER_ABSENT,
> + .tuner_addr = ADDR_UNSET,
> + .svhs = NO_SVHS,
> + .gpiomask = 0x00,
> + .no_gpioirq = 1,
> + .muxsel = MUXSEL(2, 2, 2, 2),
> + .pll = PLL_28,
> + .no_msp34xx = 1,
> + .no_tda7432 = 1,
> + .no_tda9875 = 1,
> + .muxsel_hook = gv800s_muxsel,
> + },
> };
>
> static const unsigned int bttv_num_tvcards = ARRAY_SIZE(bttv_tvcards);
> @@ -3376,6 +3436,9 @@
> case BTTV_BOARD_KODICOM_4400R:
> kodicom4400r_init(btv);
> break;
> + case BTTV_BOARD_GEOVISION_GV800S:
> + gv800s_init(btv);
> + break;
> }
>
> /* pll configuration */
> @@ -4595,6 +4658,122 @@
> gpio_bits(0x3, mux);
> }
>
> +/*
> + * GeoVision GV-800(S) functions
> + * Bruno Christo <[email protected]>
> +*/
> +
> +/* This is a function to control the analog switch, which determines which
> + * camera is routed to which controller. The switch comprises an
> X-address + * (gpio bits 0-3, representing the camera, ranging from 0-15),
> and a + * Y-address (gpio bits 4-6, representing the controller, ranging
> from 0-3). + * A data value (gpio bit 18) of '1' enables the switch, and
> '0' disables + * the switch. A STROBE bit (gpio bit 17) latches the data
> value into the + * specified address. There is also a chip select (gpio bit
> 16).
> + * The idea is to set the address and chip select together, bring
> + * STROBE high, write the data, and finally bring STROBE back to low.
> + */
> +static void gv800s_write(struct bttv *btv,
> + unsigned char xaddr,
> + unsigned char yaddr,
> + unsigned char data) {
> + /* On the "master" 878A:
> + * GPIO bits 0-9 are used for the analog switch:
> + * 00 - 03: camera selector
> + * 04 - 06: 878A (controller) selector
> + * 16: cselect
> + * 17: strobe
> + * 18: data (1->on, 0->off)
> + * 19: reset
> + */
> + const u32 ADDR = ((xaddr&0xf) | (yaddr&3)<<4);
> + const u32 CSELECT = 1<<16;
> + const u32 STROBE = 1<<17;
> + const u32 DATA = data<<18;
> +
> + gpio_bits(0x1007f, ADDR | CSELECT); /* write ADDR and CSELECT */
> + gpio_bits(0x20000, STROBE); /* STROBE high */
> + gpio_bits(0x40000, DATA); /* write DATA */
> + gpio_bits(0x20000, ~STROBE); /* STROBE low */
> +}
> +
> +/*
> + * GeoVision GV-800(S) muxsel
> + *
> + * Each of the 4 cards (controllers) use this function.
> + * The controller using this function selects the input through the GPIO
> pins + * of the "master" card. A pointer to this card is stored in
> master[btv->c.nr]. + *
> + * The parameter 'input' is the requested camera number (0-4) on the
> controller.
> + * The map array has the address of each input. Note that the addresses in
> the + * array are in the sequence the original GeoVision driver uses, that
> is, set + * every controller to input 0, then to input 1, 2, 3, repeat.
> This means that + * the physical "camera 1" connector corresponds to
> controller 0 input 0, + * "camera 2" corresponds to controller 1 input 0,
> and so on.
> + *
> + * After getting the input address, the function then writes the
> appropriate + * data to the analog switch, and housekeeps the local copy of
> the switch + * information.
> + */
> +static void gv800s_muxsel(struct bttv *btv, unsigned int input)
> +{
> + struct bttv *mctlr;
> + char *sw_status;
> + int xaddr, yaddr;
> + static unsigned int map[4][4] = { { 0x0, 0x4, 0xa, 0x6 },
> + { 0x1, 0x5, 0xb, 0x7 },
> + { 0x2, 0x8, 0xc, 0xe },
> + { 0x3, 0x9, 0xd, 0xf } };
> + input = input%4;
> + mctlr = master[btv->c.nr];
> + if (mctlr == NULL) {
> + /* do nothing until the "master" is detected */
> + return;
> + }
> + yaddr = (btv->c.nr - mctlr->c.nr) & 3;
> + sw_status = (char *)(&mctlr->mbox_we);
> + xaddr = map[yaddr][input] & 0xf;
> +
> + /* Check if the controller/camera pair has changed, ignore otherwise */
> + if (sw_status[yaddr] != xaddr) {
> + /* disable the old switch, enable the new one and save status */
> + gv800s_write(mctlr, sw_status[yaddr], yaddr, 0);
> + sw_status[yaddr] = xaddr;
> + gv800s_write(mctlr, xaddr, yaddr, 1);
> + }
> +}
> +
> +/* GeoVision GV-800(S) "master" chip init */
> +static void gv800s_init(struct bttv *btv)
> +{
> + char *sw_status = (char *)(&btv->mbox_we);
> + int ix;
> +
> + gpio_inout(0xf107f, 0xf107f);
> + gpio_write(1<<19); /* reset the analog MUX */
> + gpio_write(0);
> +
> + /* Preset camera 0 to the 4 controllers */
> + for (ix = 0; ix < 4; ix++) {
> + sw_status[ix] = ix;
> + gv800s_write(btv, ix, ix, 1);
> + }
> +
> + /* Inputs on the "master" controller need this brightness fix */
> + bttv_I2CWrite(btv, 0x18, 0x5, 0x90, 1);
> +
> + if (btv->c.nr > BTTV_MAX-4)
> + return;
> + /*
> + * Store the "master" controller pointer in the master
> + * array for later use in the muxsel function.
> + */
> + master[btv->c.nr] = btv;
> + master[btv->c.nr+1] = btv;
> + master[btv->c.nr+2] = btv;
> + master[btv->c.nr+3] = btv;
> +}
> +
> /* -----------------------------------------------------------------------
> */ /* motherboard chipset specific stuff
> */
>
> diff -r c770b20d15c6 linux/drivers/media/video/bt8xx/bttv.h
> --- a/linux/drivers/media/video/bt8xx/bttv.h Fri Feb 27 21:29:59 2009 -0300
> +++ b/linux/drivers/media/video/bt8xx/bttv.h Sat Feb 28 17:09:23 2009 -0300
> @@ -182,6 +182,8 @@
> #define BTTV_BOARD_VD012_X1 0x9a
> #define BTTV_BOARD_VD012_X2 0x9b
> #define BTTV_BOARD_IVCE8784 0x9c
> +#define BTTV_BOARD_GEOVISION_GV800S 0x9d
> +#define BTTV_BOARD_GEOVISION_GV800S_SL 0x9e
>
>
> /* more card-specific defines */
>
> 2009/2/28 Bruno Christo <[email protected]>:
> > Hello all,
> >
> > I have a GeoVision GV-800(S) card, it has 4 CONEXANT BT878A chips.
> > It has 16 video inputs and 4 audio inputs, and it is almost identical
> > to the GV-800, as seen on http://bttv-gallery.de .
> > The only difference appears to be the analog mux, it has a CD22M3494
> > in place of the MT8816AP. The card has a blue PCB, as seen in this
> > picture: http://www.gsbr.com.br/imagem/kits/GeoVision%20GV%20800.jpg .
> >
> > This card wasn't originally supported, and it was detected as
> > UNKNOWN/GENERIC. The video inputs weren't working, so I tried
> > "forcing" a few cards like the GeoVision GV-600, but there was still
> > no video. So I made a patch to support this card, based on the Kodicom
> > 4400r.
> >
> > The GV-800(S) is identified as follows:
> >
> > # lspci
> > ...
> > 02:00.0 Multimedia video controller: Brooktree Corporation Bt878 Video
> > Capture (rev 11)
> > 02:00.1 Multimedia controller: Brooktree Corporation Bt878 Audio
> > Capture (rev 11)
> > 02:04.0 Multimedia video controller: Brooktree Corporation Bt878 Video
> > Capture (rev 11)
> > 02:04.1 Multimedia controller: Brooktree Corporation Bt878 Audio
> > Capture (rev 11)
> > 02:08.0 Multimedia video controller: Brooktree Corporation Bt878 Video
> > Capture (rev 11)
> > 02:08.1 Multimedia controller: Brooktree Corporation Bt878 Audio
> > Capture (rev 11)
> > 02:0c.0 Multimedia video controller: Brooktree Corporation Bt878 Video
> > Capture (rev 11)
> > 02:0c.1 Multimedia controller: Brooktree Corporation Bt878 Audio
> > Capture (rev 11)
> >
> > # lspci -nv
> > ...
> > 02:00.0 0400: 109e:036e (rev 11)
> > Subsystem: 800a:763d
> > Flags: bus master, medium devsel, latency 32, IRQ 10
> > Memory at cdfff000 (32-bit, prefetchable) [size=4K]
> > Capabilities: [44] Vital Product Data <?>
> > Capabilities: [4c] Power Management version 2
> > Kernel modules: bttv
> >
> > 02:00.1 0480: 109e:0878 (rev 11)
> > Subsystem: 800a:763d
> > Flags: bus master, medium devsel, latency 32, IRQ 10
> > Memory at cdffe000 (32-bit, prefetchable) [size=4K]
> > Capabilities: [44] Vital Product Data <?>
> > Capabilities: [4c] Power Management version 2
> >
> > 02:04.0 0400: 109e:036e (rev 11)
> > Subsystem: 800b:763d
> > Flags: bus master, medium devsel, latency 32, IRQ 10
> > Memory at cdffd000 (32-bit, prefetchable) [size=4K]
> > Capabilities: [44] Vital Product Data <?>
> > Capabilities: [4c] Power Management version 2
> > Kernel modules: bttv
> >
> > 02:04.1 0480: 109e:0878 (rev 11)
> > Subsystem: 800b:763d
> > Flags: bus master, medium devsel, latency 32, IRQ 10
> > Memory at cdffc000 (32-bit, prefetchable) [size=4K]
> > Capabilities: [44] Vital Product Data <?>
> > Capabilities: [4c] Power Management version 2
> >
> > 02:08.0 0400: 109e:036e (rev 11)
> > Subsystem: 800c:763d
> > Flags: bus master, medium devsel, latency 32, IRQ 10
> > Memory at cdffb000 (32-bit, prefetchable) [size=4K]
> > Capabilities: [44] Vital Product Data <?>
> > Capabilities: [4c] Power Management version 2
> > Kernel modules: bttv
> >
> > 02:08.1 0480: 109e:0878 (rev 11)
> > Subsystem: 800c:763d
> > Flags: bus master, medium devsel, latency 32, IRQ 10
> > Memory at cdffa000 (32-bit, prefetchable) [size=4K]
> > Capabilities: [44] Vital Product Data <?>
> > Capabilities: [4c] Power Management version 2
> >
> > 02:0c.0 0400: 109e:036e (rev 11)
> > Subsystem: 800d:763d
> > Flags: bus master, medium devsel, latency 32, IRQ 10
> > Memory at cdff9000 (32-bit, prefetchable) [size=4K]
> > Capabilities: [44] Vital Product Data <?>
> > Capabilities: [4c] Power Management version 2
> > Kernel modules: bttv
> >
> > 02:0c.1 0480: 109e:0878 (rev 11)
> > Subsystem: 800d:763d
> > Flags: bus master, medium devsel, latency 32, IRQ 10
> > Memory at cdff8000 (32-bit, prefetchable) [size=4K]
> > Capabilities: [44] Vital Product Data <?>
> > Capabilities: [4c] Power Management version 2
> >
> > As you can see, the GV-800(S) card is almost identical to the GV-800
> > on bttv-gallery, so this patch might also work for that card. If not,
> > only a few changes should be required on the gv800s_write() function.
> >
> > After this patch, the video inputs work correctly. The input order may
> > seem a little odd, but it's the order the original software/driver
> > uses, and I decided to keep that order to get the most out of the
> > card.
> >
> > I tried to get the audio working with the snd-bt87x module, but I only
> > get noise from every audio input, even after selecting a different mux
> > with alsamixer. Also, after trying to play sound from those sources, I
> > randomly get a RISC error about an invalid RISC opcode, and then that
> > output stops working. I also can't change the sampling rate when
> > recording. Any pointers to adding audio support are welcome.
> >
> > Signed-off-by: Bruno Christo <[email protected]>
> >
> > diff -r c770b20d15c6 linux/Documentation/video4linux/CARDLIST.bttv
> > --- a/linux/Documentation/video4linux/CARDLIST.bttv Fri Feb 27
> > 21:29:59 2009 -0300
> > +++ b/linux/Documentation/video4linux/CARDLIST.bttv Fri Feb 27
> > 22:12:29 2009 -0300
> > @@ -155,3 +155,5 @@
> > 154 -> PHYTEC VD-012-X1 (bt878)
> > 155 -> PHYTEC VD-012-X2 (bt878)
> > 156 -> IVCE-8784
> > [0000:f050,0001:f050,0002:f050,0003:f050]
> > +157 -> Geovision GV-800(S) (master) [800a:763d]
> > +158 -> Geovision GV-800(S) (slave)
> > [800b:763d,800c:763d,800d:763d]
> > diff -r c770b20d15c6 linux/drivers/media/video/bt8xx/bttv-cards.c
> > --- a/linux/drivers/media/video/bt8xx/bttv-cards.c Fri Feb 27
> > 21:29:59 2009 -0300
> > +++ b/linux/drivers/media/video/bt8xx/bttv-cards.c Fri Feb 27
> > 22:12:29 2009 -0300
> > @@ -75,6 +75,9 @@
> > static void geovision_muxsel(struct bttv *btv, unsigned int input);
> >
> > static void phytec_muxsel(struct bttv *btv, unsigned int input);
> > +
> > +static void gv800s_muxsel(struct bttv *btv, unsigned int input);
> > +static void gv800s_init(struct bttv *btv);
> >
> > static int terratec_active_radio_upgrade(struct bttv *btv);
> > static int tea5757_read(struct bttv *btv);
> > @@ -312,6 +315,10 @@
> > { 0xd200dbc0, BTTV_BOARD_DVICO_FUSIONHDTV_2, "DViCO FusionHDTV
> > 2" }, { 0x763c008a, BTTV_BOARD_GEOVISION_GV600, "GeoVision GV-600"
> > }, { 0x18011000, BTTV_BOARD_ENLTV_FM_2, "Encore ENL TV-FM-2" }, +
> > { 0x763d800a, BTTV_BOARD_GEOVISION_GV800S, "GeoVision GV-800(S)
> > (master)" }, + { 0x763d800b, BTTV_BOARD_GEOVISION_GV800S_SL,
> > "GeoVision GV-800(S) (slave)" }, + { 0x763d800c,
> > BTTV_BOARD_GEOVISION_GV800S_SL, "GeoVision GV-800(S) (slave)" }, +
> > { 0x763d800d, BTTV_BOARD_GEOVISION_GV800S_SL, "GeoVision GV-800(S)
> > (slave)" }, { 0, -1, NULL }
> > };
> >
> > @@ -2847,7 +2854,60 @@
> > .pll = PLL_28,
> > .tuner_type = TUNER_ABSENT,
> > .tuner_addr = ADDR_UNSET,
> > - }
> > + },
> > + [BTTV_BOARD_GEOVISION_GV800S] = {
> > + /* Bruno Christo <[email protected]>
> > + *
> > + * GeoVision GV-800(S) has 4 Conexant Fusion 878A:
> > + * 1 audio input per BT878A = 4 audio inputs
> > + * 4 video inputs per BT878A = 16 video inputs
> > + * This is the first BT878A chip of the GV-800(S). It's
> > the + * "master" chip and it controls the video inputs
> > through an + * analog multiplexer (a CD22M3494) via some
> > GPIO pins. The + * slaves should use card type 0x9e
> > (following this one). + * There is a EEPROM on the card
> > which is currently not handled. + * The audio input is not
> > working yet.
> > + */
> > + .name = "Geovision GV-800(S) (master)",
> > + .video_inputs = 4,
> > + /* .audio_inputs= 1, */
> > + .tuner_type = TUNER_ABSENT,
> > + .tuner_addr = ADDR_UNSET,
> > + .svhs = NO_SVHS,
> > + .gpiomask = 0xf107f,
> > + .no_gpioirq = 1,
> > + .muxsel = MUXSEL(2, 2, 2, 2),
> > + .pll = PLL_28,
> > + .no_msp34xx = 1,
> > + .no_tda7432 = 1,
> > + .no_tda9875 = 1,
> > + .muxsel_hook = gv800s_muxsel,
> > + },
> > + [BTTV_BOARD_GEOVISION_GV800S_SL] = {
> > + /* Bruno Christo <[email protected]>
> > + *
> > + * GeoVision GV-800(S) has 4 Conexant Fusion 878A:
> > + * 1 audio input per BT878A = 4 audio inputs
> > + * 4 video inputs per BT878A = 16 video inputs
> > + * The 3 other BT878A chips are "slave" chips of the
> > GV-800(S) + * and should use this card type.
> > + * The audio input is not working yet.
> > + */
> > + .name = "Geovision GV-800(S) (slave)",
> > + .video_inputs = 4,
> > + /* .audio_inputs= 1, */
> > + .tuner_type = TUNER_ABSENT,
> > + .tuner_addr = ADDR_UNSET,
> > + .svhs = NO_SVHS,
> > + .gpiomask = 0x00,
> > + .no_gpioirq = 1,
> > + .muxsel = MUXSEL(2, 2, 2, 2),
> > + .pll = PLL_28,
> > + .no_msp34xx = 1,
> > + .no_tda7432 = 1,
> > + .no_tda9875 = 1,
> > + .muxsel_hook = gv800s_muxsel,
> > + },
> > };
> >
> > static const unsigned int bttv_num_tvcards = ARRAY_SIZE(bttv_tvcards);
> > @@ -3376,6 +3436,9 @@
> > case BTTV_BOARD_KODICOM_4400R:
> > kodicom4400r_init(btv);
> > break;
> > + case BTTV_BOARD_GEOVISION_GV800S:
> > + gv800s_init(btv);
> > + break;
> > }
> >
> > /* pll configuration */
> > @@ -4595,6 +4658,123 @@
> > gpio_bits(0x3, mux);
> > }
> >
> > +/*
> > + * GeoVision GV-800(S) functions
> > + * Bruno Christo <[email protected]>
> > +*/
> > +
> > +/* This is a function to control the analog switch, which determines
> > which + * camera is routed to which controller. The switch comprises an
> > X-address + * (gpio bits 0-3, representing the camera, ranging from
> > 0-15), and a + * Y-address (gpio bits 4-6, representing the controller,
> > ranging from 0-3). + * A data value (gpio bit 18) of '1' enables the
> > switch, and '0' disables + * the switch. A STROBE bit (gpio bit 17)
> > latches the data value into the + * specified address. There is also a
> > chip select (gpio bit 16). + * The idea is to set the address and chip
> > select together, bring + * STROBE high, write the data, and finally bring
> > STROBE back to low. + */
> > +static void gv800s_write(struct bttv *btv,
> > + unsigned char xaddr,
> > + unsigned char yaddr,
> > + unsigned char data) {
> > + /* On the "master" 878A:
> > + * GPIO bits 0-9 are used for the analog switch:
> > + * 00 - 03: camera selector
> > + * 04 - 06: 878A (controller) selector
> > + * 16: cselect
> > + * 17: strobe
> > + * 18: data (1->on, 0->off)
> > + * 19: reset
> > + */
> > + const u32 ADDR = ((xaddr&0xf) | (yaddr&3)<<4);
> > + const u32 CSELECT = 1<<16;
> > + const u32 STROBE = 1<<17;
> > + const u32 DATA = data<<18;
> > +
> > + gpio_bits(0x1007f, ADDR | CSELECT); /* write ADDR and CSELECT
> > */ + gpio_bits(0x20000, STROBE); /* STROBE high */ +
> > gpio_bits(0x40000, DATA); /* write DATA */ +
> > gpio_bits(0x20000, ~STROBE); /* STROBE low */ +}
> > +
> > +/*
> > + * GeoVision GV-800(S) muxsel
> > + *
> > + * Each of the 4 cards (controllers) use this function.
> > + * The controller using this function selects the input through the GPIO
> > pins + * of the "master" card. A pointer to this card is stored in
> > master[btv->c.nr]. + *
> > + * The parameter 'input' is the requested camera number (0-4) on the
> > controller.
> > + * The map array has the address of each input. Note that the addresses
> > in the + * array are in the sequence the original GeoVision driver uses,
> > that is, set + * every controller to input 0, then to input 1, 2, 3,
> > repeat. This means that + * the physical "camera 1" connector corresponds
> > to controller 0 input 0, + * "camera 2" corresponds to controller 1 input
> > 0, and so on.
> > + *
> > + * After getting the input address, the function then writes the
> > appropriate + * data to the analog switch, and housekeeps the local copy
> > of the switch + * information.
> > + */
> > +static void gv800s_muxsel(struct bttv *btv, unsigned int input)
> > +{
> > + struct bttv *mctlr;
> > + char *sw_status;
> > + int xaddr, yaddr;
> > + static unsigned int map[4][4] = {{ 0x0, 0x4, 0xa, 0x6 },
> > + { 0x1, 0x5, 0xb, 0x7 },
> > + { 0x2, 0x8, 0xc, 0xe },
> > + { 0x3, 0x9, 0xd, 0xf }};
> > + input = input%4;
> > + mctlr = master[btv->c.nr];
> > + if (mctlr == NULL) {
> > + // do nothing until the "master" is detected
> > + return;
> > + }
> > + yaddr = (btv->c.nr - mctlr->c.nr) & 3;
> > + sw_status = (char *)(&mctlr->mbox_we);
> > + xaddr = map[yaddr][input] & 0xf;
> > +
> > + // Check if the controller/camera pair has changed, ignore
> > otherwise + if (sw_status[yaddr] != xaddr)
> > + {
> > + // disable the old switch, enable the new one and save
> > status + gv800s_write(mctlr, sw_status[yaddr], yaddr, 0); +
> > sw_status[yaddr] = xaddr;
> > + gv800s_write(mctlr, xaddr, yaddr, 1);
> > + }
> > +}
> > +
> > +/* GeoVision GV-800(S) "master" chip init */
> > +static void gv800s_init(struct bttv *btv)
> > +{
> > + char *sw_status = (char *)(&btv->mbox_we);
> > + int ix;
> > +
> > + gpio_inout(0xf107f, 0xf107f);
> > + gpio_write(1<<19); /* reset the analog MUX */
> > + gpio_write(0);
> > +
> > + /* Preset camera 0 to the 4 controllers */
> > + for (ix = 0; ix < 4; ix++) {
> > + sw_status[ix] = ix;
> > + gv800s_write(btv, ix, ix, 1);
> > + }
> > +
> > + /* Inputs on the "master" controller need this brightness fix */
> > + bttv_I2CWrite(btv, 0x18, 0x5, 0x90, 1);
> > +
> > + if (btv->c.nr>BTTV_MAX-4)
> > + return;
> > + /*
> > + * Store the "master" controller pointer in the master
> > + * array for later use in the muxsel function.
> > + */
> > + master[btv->c.nr] = btv;
> > + master[btv->c.nr+1] = btv;
> > + master[btv->c.nr+2] = btv;
> > + master[btv->c.nr+3] = btv;
> > +}
> > +
> > /*
> > -----------------------------------------------------------------------
> > */ /* motherboard chipset specific stuff
> > */
> >
> > diff -r c770b20d15c6 linux/drivers/media/video/bt8xx/bttv.h
> > --- a/linux/drivers/media/video/bt8xx/bttv.h Fri Feb 27 21:29:59 2009
> > -0300 +++ b/linux/drivers/media/video/bt8xx/bttv.h Fri Feb 27 22:12:29
> > 2009 -0300 @@ -182,6 +182,8 @@
> > #define BTTV_BOARD_VD012_X1 0x9a
> > #define BTTV_BOARD_VD012_X2 0x9b
> > #define BTTV_BOARD_IVCE8784 0x9c
> > +#define BTTV_BOARD_GEOVISION_GV800S 0x9d
> > +#define BTTV_BOARD_GEOVISION_GV800S_SL 0x9e
> >
> >
> > /* more card-specific defines */
> > --
> > Bruno Christo
> > Bacharel em Ciência da Computação - UFSM
--
Nicola Soranzo
http://nsoranzo.altervista.org
Presidente del GOLUG - Gorizia Linux User Group
http://www.golug.it
La mia chiave PGP: http://nsoranzo.altervista.org/key.asc
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