aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/pci/bt8xx/bttv-cards.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/pci/bt8xx/bttv-cards.c')
-rw-r--r--drivers/media/pci/bt8xx/bttv-cards.c155
1 files changed, 136 insertions, 19 deletions
diff --git a/drivers/media/pci/bt8xx/bttv-cards.c b/drivers/media/pci/bt8xx/bttv-cards.c
index e564aac0aa3..d8ec583c154 100644
--- a/drivers/media/pci/bt8xx/bttv-cards.c
+++ b/drivers/media/pci/bt8xx/bttv-cards.c
@@ -52,6 +52,7 @@ static void osprey_eeprom(struct bttv *btv, const u8 ee[256]);
static void modtec_eeprom(struct bttv *btv);
static void init_PXC200(struct bttv *btv);
static void init_RTV24(struct bttv *btv);
+static void init_PCI8604PW(struct bttv *btv);
static void rv605_muxsel(struct bttv *btv, unsigned int input);
static void eagle_muxsel(struct bttv *btv, unsigned int input);
@@ -2426,7 +2427,7 @@ struct tvcard bttv_tvcards[] = {
},
/* ---- card 0x87---------------------------------- */
[BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE] = {
- /* Michael Krufky <mkrufky@m1k.net> */
+ /* Michael Krufky <mkrufky@linuxtv.org> */
.name = "DViCO FusionHDTV 5 Lite",
.tuner_type = TUNER_LG_TDVS_H06XF, /* TDVS-H064F */
.tuner_addr = ADDR_UNSET,
@@ -2855,7 +2856,38 @@ struct tvcard bttv_tvcards[] = {
.tuner_type = TUNER_ABSENT,
.tuner_addr = ADDR_UNSET,
},
-
+ [BTTV_BOARD_KWORLD_VSTREAM_XPERT] = {
+ /* Pojar George <geoubuntu@gmail.com> */
+ .name = "Kworld V-Stream Xpert TV PVR878",
+ .video_inputs = 3,
+ /* .audio_inputs= 1, */
+ .svhs = 2,
+ .gpiomask = 0x001c0007,
+ .muxsel = MUXSEL(2, 3, 1, 1),
+ .gpiomux = { 0, 1, 2, 2 },
+ .gpiomute = 3,
+ .pll = PLL_28,
+ .tuner_type = TUNER_TENA_9533_DI,
+ .tuner_addr = ADDR_UNSET,
+ .has_remote = 1,
+ .has_radio = 1,
+ },
+ /* ---- card 0xa6---------------------------------- */
+ [BTTV_BOARD_PCI_8604PW] = {
+ /* PCI-8604PW with special unlock sequence */
+ .name = "PCI-8604PW",
+ .video_inputs = 2,
+ /* .audio_inputs= 0, */
+ .svhs = NO_SVHS,
+ /* The second input is available on CN4, if populated.
+ * The other 5x2 header (CN2?) connects to the same inputs
+ * as the on-board BNCs */
+ .muxsel = MUXSEL(2, 3),
+ .tuner_type = TUNER_ABSENT,
+ .no_msp34xx = 1,
+ .no_tda7432 = 1,
+ .pll = PLL_35,
+ },
};
static const unsigned int bttv_num_tvcards = ARRAY_SIZE(bttv_tvcards);
@@ -3290,6 +3322,9 @@ void bttv_init_card1(struct bttv *btv)
case BTTV_BOARD_ADLINK_RTV24:
init_RTV24( btv );
break;
+ case BTTV_BOARD_PCI_8604PW:
+ init_PCI8604PW(btv);
+ break;
}
if (!bttv_tvcards[btv->c.type].has_dvb)
@@ -4170,6 +4205,96 @@ init_RTV24 (struct bttv *btv)
/* ----------------------------------------------------------------------- */
+/*
+ * The PCI-8604PW contains a CPLD, probably an ispMACH 4A, that filters
+ * the PCI REQ signals comming from the four BT878 chips. After power
+ * up, the CPLD does not forward requests to the bus, which prevents
+ * the BT878 from fetching RISC instructions from memory. While the
+ * CPLD is connected to most of the GPIOs of PCI device 0xD, only
+ * five appear to play a role in unlocking the REQ signal. The following
+ * sequence has been determined by trial and error without access to the
+ * original driver.
+ *
+ * Eight GPIOs of device 0xC are provided on connector CN4 (4 in, 4 out).
+ * Devices 0xE and 0xF do not appear to have anything connected to their
+ * GPIOs.
+ *
+ * The correct GPIO_OUT_EN value might have some more bits set. It should
+ * be possible to derive it from a boundary scan of the CPLD. Its JTAG
+ * pins are routed to test points.
+ *
+ */
+/* ----------------------------------------------------------------------- */
+static void
+init_PCI8604PW(struct bttv *btv)
+{
+ int state;
+
+ if ((PCI_SLOT(btv->c.pci->devfn) & ~3) != 0xC) {
+ pr_warn("This is not a PCI-8604PW\n");
+ return;
+ }
+
+ if (PCI_SLOT(btv->c.pci->devfn) != 0xD)
+ return;
+
+ btwrite(0x080002, BT848_GPIO_OUT_EN);
+
+ state = (btread(BT848_GPIO_DATA) >> 21) & 7;
+
+ for (;;) {
+ switch (state) {
+ case 1:
+ case 5:
+ case 6:
+ case 4:
+ pr_debug("PCI-8604PW in state %i, toggling pin\n",
+ state);
+ btwrite(0x080000, BT848_GPIO_DATA);
+ msleep(1);
+ btwrite(0x000000, BT848_GPIO_DATA);
+ msleep(1);
+ break;
+ case 7:
+ pr_info("PCI-8604PW unlocked\n");
+ return;
+ case 0:
+ /* FIXME: If we are in state 7 and toggle GPIO[19] one
+ more time, the CPLD goes into state 0, where PCI bus
+ mastering is inhibited again. We have not managed to
+ get out of that state. */
+
+ pr_err("PCI-8604PW locked until reset\n");
+ return;
+ default:
+ pr_err("PCI-8604PW in unknown state %i\n", state);
+ return;
+ }
+
+ state = (state << 4) | ((btread(BT848_GPIO_DATA) >> 21) & 7);
+
+ switch (state) {
+ case 0x15:
+ case 0x56:
+ case 0x64:
+ case 0x47:
+ /* The transition from state 7 to state 0 is, as explained
+ above, valid but undesired and with this code impossible
+ as we exit as soon as we are in state 7.
+ case 0x70: */
+ break;
+ default:
+ pr_err("PCI-8604PW invalid transition %i -> %i\n",
+ state >> 4, state & 7);
+ return;
+ }
+ state &= 7;
+ }
+}
+
+
+
+/* ----------------------------------------------------------------------- */
/* Miro Pro radio stuff -- the tea5757 is connected to some GPIO ports */
/*
* Copyright (c) 1999 Csaba Halasz <qgehali@uni-miskolc.hu>
@@ -4441,9 +4566,7 @@ static void tibetCS16_init(struct bttv *btv)
* is {3, 0, 2, 1}, i.e. the first controller to be detected is logical
* unit 3, the second (which is the master) is logical unit 0, etc.
* We need to maintain the status of the analog switch (which of the 16
- * cameras is connected to which of the 4 controllers). Rather than
- * add to the bttv structure for this, we use the data reserved for
- * the mbox (unused for this card type).
+ * cameras is connected to which of the 4 controllers) in sw_status array.
*/
/*
@@ -4478,7 +4601,6 @@ static void kodicom4400r_write(struct bttv *btv,
*/
static void kodicom4400r_muxsel(struct bttv *btv, unsigned int input)
{
- char *sw_status;
int xaddr, yaddr;
struct bttv *mctlr;
static unsigned char map[4] = {3, 0, 2, 1};
@@ -4489,14 +4611,13 @@ static void kodicom4400r_muxsel(struct bttv *btv, unsigned int input)
}
yaddr = (btv->c.nr - mctlr->c.nr + 1) & 3; /* the '&' is for safety */
yaddr = map[yaddr];
- sw_status = (char *)(&mctlr->mbox_we);
xaddr = input & 0xf;
/* Check if the controller/camera pair has changed, else ignore */
- if (sw_status[yaddr] != xaddr)
+ if (mctlr->sw_status[yaddr] != xaddr)
{
/* "open" the old switch, "close" the new one, save the new */
- kodicom4400r_write(mctlr, sw_status[yaddr], yaddr, 0);
- sw_status[yaddr] = xaddr;
+ kodicom4400r_write(mctlr, mctlr->sw_status[yaddr], yaddr, 0);
+ mctlr->sw_status[yaddr] = xaddr;
kodicom4400r_write(mctlr, xaddr, yaddr, 1);
}
}
@@ -4509,7 +4630,6 @@ static void kodicom4400r_muxsel(struct bttv *btv, unsigned int input)
*/
static void kodicom4400r_init(struct bttv *btv)
{
- char *sw_status = (char *)(&btv->mbox_we);
int ix;
gpio_inout(0x0003ff, 0x0003ff);
@@ -4517,7 +4637,7 @@ static void kodicom4400r_init(struct bttv *btv)
gpio_write(0);
/* Preset camera 0 to the 4 controllers */
for (ix = 0; ix < 4; ix++) {
- sw_status[ix] = ix;
+ btv->sw_status[ix] = ix;
kodicom4400r_write(btv, ix, ix, 1);
}
/*
@@ -4794,7 +4914,6 @@ static void gv800s_write(struct bttv *btv,
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 },
@@ -4807,14 +4926,13 @@ static void gv800s_muxsel(struct bttv *btv, unsigned int input)
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) {
+ if (mctlr->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, mctlr->sw_status[yaddr], yaddr, 0);
+ mctlr->sw_status[yaddr] = xaddr;
gv800s_write(mctlr, xaddr, yaddr, 1);
}
}
@@ -4822,7 +4940,6 @@ static void gv800s_muxsel(struct bttv *btv, unsigned int input)
/* 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);
@@ -4831,7 +4948,7 @@ static void gv800s_init(struct bttv *btv)
/* Preset camera 0 to the 4 controllers */
for (ix = 0; ix < 4; ix++) {
- sw_status[ix] = ix;
+ btv->sw_status[ix] = ix;
gv800s_write(btv, ix, ix, 1);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 17:30:30 +0000