diff options
| -rw-r--r-- | drivers/media/pci/bt8xx/bttv-cards.c | 26 | ||||
| -rw-r--r-- | drivers/media/pci/bt8xx/bttvp.h | 3 |
2 files changed, 12 insertions, 17 deletions
diff --git a/drivers/media/pci/bt8xx/bttv-cards.c b/drivers/media/pci/bt8xx/bttv-cards.c index e564aac0aa30..d85cb0ace4dc 100644 --- a/drivers/media/pci/bt8xx/bttv-cards.c +++ b/drivers/media/pci/bt8xx/bttv-cards.c @@ -4441,9 +4441,7 @@ 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 +4476,6 @@ 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 +4486,13 @@ 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 +4505,6 @@ 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 +4512,7 @@ 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 +4789,6 @@ 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 +4801,13 @@ 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 +4815,6 @@ 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 +4823,7 @@ 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); } diff --git a/drivers/media/pci/bt8xx/bttvp.h b/drivers/media/pci/bt8xx/bttvp.h index 9c1cc2c50ee2..6eefb595d0fa 100644 --- a/drivers/media/pci/bt8xx/bttvp.h +++ b/drivers/media/pci/bt8xx/bttvp.h @@ -459,6 +459,9 @@ struct bttv { int mbox_iow; int mbox_csel; + /* switch status for multi-controller cards */ + char sw_status[4]; + /* risc memory management data - must acquire s_lock before changing these - only the irq handler is supported to touch top + bottom + vcurr */ |