The patch number 10827 was added via Mauro Carvalho Chehab <mche...@redhat.com>
to http://linuxtv.org/hg/v4l-dvb master development tree.
Kernel patches in this development tree may be modified to be backward
compatible with older kernels. Compatibility modifications will be
removed before inclusion into the mainstream Kernel
If anyone has any objections, please let us know by sending a message to:
Linux Media Mailing List <linux-me...@vger.kernel.org>
------
From: Bruno Christo <brunochri...@gmail.com>
Add support for GeoVision GV-800(S)
Signed-off-by: Bruno Christo <bchri...@inf.ufsm.br>
Signed-off-by: Mauro Carvalho Chehab <mche...@redhat.com>
---
linux/Documentation/video4linux/CARDLIST.bttv | 2
linux/drivers/media/video/bt8xx/bttv-cards.c | 181 +++++++++++++++++-
linux/drivers/media/video/bt8xx/bttv.h | 2
3 files changed, 184 insertions(+), 1 deletion(-)
diff -r 898e372b2d36 -r 216cb2ac6b13
linux/Documentation/video4linux/CARDLIST.bttv
--- a/linux/Documentation/video4linux/CARDLIST.bttv Sun Mar 01 01:29:20
2009 +0000
+++ b/linux/Documentation/video4linux/CARDLIST.bttv Tue Mar 03 01:38:59
2009 +0000
@@ -155,3 +155,5 @@ 154 -> PHYTEC VD-012-X1 (bt878)
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 898e372b2d36 -r 216cb2ac6b13
linux/drivers/media/video/bt8xx/bttv-cards.c
--- a/linux/drivers/media/video/bt8xx/bttv-cards.c Sun Mar 01 01:29:20
2009 +0000
+++ b/linux/drivers/media/video/bt8xx/bttv-cards.c Tue Mar 03 01:38:59
2009 +0000
@@ -75,6 +75,9 @@ static void geovision_muxsel(struct bttv
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 @@ 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 }
};
@@ -2847,7 +2854,60 @@ struct tvcard bttv_tvcards[] = {
.pll = PLL_28,
.tuner_type = TUNER_ABSENT,
.tuner_addr = ADDR_UNSET,
- }
+ },
+ [BTTV_BOARD_GEOVISION_GV800S] = {
+ /* Bruno Christo <bchri...@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 <bchri...@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);
@@ -3376,6 +3436,9 @@ void __devinit bttv_init_card2(struct bt
case BTTV_BOARD_KODICOM_4400R:
kodicom4400r_init(btv);
break;
+ case BTTV_BOARD_GEOVISION_GV800S:
+ gv800s_init(btv);
+ break;
}
/* pll configuration */
@@ -4595,6 +4658,122 @@ static void phytec_muxsel(struct bttv *b
gpio_bits(0x3, mux);
}
+/*
+ * GeoVision GV-800(S) functions
+ * Bruno Christo <bchri...@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 */
diff -r 898e372b2d36 -r 216cb2ac6b13 linux/drivers/media/video/bt8xx/bttv.h
--- a/linux/drivers/media/video/bt8xx/bttv.h Sun Mar 01 01:29:20 2009 +0000
+++ b/linux/drivers/media/video/bt8xx/bttv.h Tue Mar 03 01:38:59 2009 +0000
@@ -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 */
---
Patch is available at:
http://linuxtv.org/hg/v4l-dvb/rev/216cb2ac6b13e55ef6a0b8cf299c3d2038b3276d
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