V4L/DVB (10827): Add support for GeoVision GV-800(S)

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:

...
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)

...
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 on linux 2.6.24 and
2.6.27 using the software 'motion'. 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 <bchristo@inf.ufsm.br>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Bruno Christo 2009-03-02 22:38:59 -03:00 committed by Mauro Carvalho Chehab
parent f1735bb2a5
commit 0c5db42551
3 changed files with 184 additions and 1 deletions

View File

@ -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]

View File

@ -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);
static int tea5757_write(struct bttv *btv, int value);
@ -311,6 +314,10 @@ static struct CARD {
{ 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 }
};
@ -2818,7 +2825,60 @@ struct tvcard bttv_tvcards[] = {
.pll = PLL_28,
.tuner_type = TUNER_ABSENT,
.tuner_addr = ADDR_UNSET,
}
},
[BTTV_BOARD_GEOVISION_GV800S] = {
/* Bruno Christo <bchristo@inf.ufsm.br>
*
* 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 <bchristo@inf.ufsm.br>
*
* 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);
@ -3338,6 +3398,9 @@ void __devinit bttv_init_card2(struct bttv *btv)
case BTTV_BOARD_KODICOM_4400R:
kodicom4400r_init(btv);
break;
case BTTV_BOARD_GEOVISION_GV800S:
gv800s_init(btv);
break;
}
/* pll configuration */
@ -4544,6 +4607,122 @@ static void phytec_muxsel(struct bttv *btv, unsigned int input)
gpio_bits(0x3, mux);
}
/*
* GeoVision GV-800(S) functions
* Bruno Christo <bchristo@inf.ufsm.br>
*/
/* 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 ADDRESS = ((xaddr&0xf) | (yaddr&3)<<4);
const u32 CSELECT = 1<<16;
const u32 STROBE = 1<<17;
const u32 DATA = data<<18;
gpio_bits(0x1007f, ADDRESS | CSELECT); /* write ADDRESS 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 */

View File

@ -181,6 +181,8 @@
#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 */