diff options
Diffstat (limited to 'drivers/media/pci/bt8xx/bttv-audio-hook.c')
| -rw-r--r-- | drivers/media/pci/bt8xx/bttv-audio-hook.c | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/drivers/media/pci/bt8xx/bttv-audio-hook.c b/drivers/media/pci/bt8xx/bttv-audio-hook.c new file mode 100644 index 000000000000..2364d16586b3 --- /dev/null +++ b/drivers/media/pci/bt8xx/bttv-audio-hook.c @@ -0,0 +1,382 @@ +/* + * Handlers for board audio hooks, splitted from bttv-cards + * + * Copyright (c) 2006 Mauro Carvalho Chehab (mchehab@infradead.org) + * This code is placed under the terms of the GNU General Public License + */ + +#include "bttv-audio-hook.h" + +#include <linux/delay.h> + +/* ----------------------------------------------------------------------- */ +/* winview */ + +void winview_volume(struct bttv *btv, __u16 volume) +{ + /* PT2254A programming Jon Tombs, jon@gte.esi.us.es */ + int bits_out, loops, vol, data; + + /* 32 levels logarithmic */ + vol = 32 - ((volume>>11)); + /* units */ + bits_out = (PT2254_DBS_IN_2>>(vol%5)); + /* tens */ + bits_out |= (PT2254_DBS_IN_10>>(vol/5)); + bits_out |= PT2254_L_CHANNEL | PT2254_R_CHANNEL; + data = gpio_read(); + data &= ~(WINVIEW_PT2254_CLK| WINVIEW_PT2254_DATA| + WINVIEW_PT2254_STROBE); + for (loops = 17; loops >= 0 ; loops--) { + if (bits_out & (1<<loops)) + data |= WINVIEW_PT2254_DATA; + else + data &= ~WINVIEW_PT2254_DATA; + gpio_write(data); + udelay(5); + data |= WINVIEW_PT2254_CLK; + gpio_write(data); + udelay(5); + data &= ~WINVIEW_PT2254_CLK; + gpio_write(data); + } + data |= WINVIEW_PT2254_STROBE; + data &= ~WINVIEW_PT2254_DATA; + gpio_write(data); + udelay(10); + data &= ~WINVIEW_PT2254_STROBE; + gpio_write(data); +} + +/* ----------------------------------------------------------------------- */ +/* mono/stereo control for various cards (which don't use i2c chips but */ +/* connect something to the GPIO pins */ + +void gvbctv3pci_audio(struct bttv *btv, struct v4l2_tuner *t, int set) +{ + unsigned int con = 0; + + if (set) { + gpio_inout(0x300, 0x300); + if (t->audmode & V4L2_TUNER_MODE_LANG1) + con = 0x000; + if (t->audmode & V4L2_TUNER_MODE_LANG2) + con = 0x300; + if (t->audmode & V4L2_TUNER_MODE_STEREO) + con = 0x200; +/* if (t->audmode & V4L2_TUNER_MODE_MONO) + * con = 0x100; */ + gpio_bits(0x300, con); + } else { + t->audmode = V4L2_TUNER_MODE_STEREO | + V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; + } +} + +void gvbctv5pci_audio(struct bttv *btv, struct v4l2_tuner *t, int set) +{ + unsigned int val, con; + + if (btv->radio_user) + return; + + val = gpio_read(); + if (set) { + con = 0x000; + if (t->audmode & V4L2_TUNER_MODE_LANG2) { + if (t->audmode & V4L2_TUNER_MODE_LANG1) { + /* LANG1 + LANG2 */ + con = 0x100; + } + else { + /* LANG2 */ + con = 0x300; + } + } + if (con != (val & 0x300)) { + gpio_bits(0x300, con); + if (bttv_gpio) + bttv_gpio_tracking(btv,"gvbctv5pci"); + } + } else { + switch (val & 0x70) { + case 0x10: + t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; + break; + case 0x30: + t->rxsubchans = V4L2_TUNER_SUB_LANG2; + break; + case 0x50: + t->rxsubchans = V4L2_TUNER_SUB_LANG1; + break; + case 0x60: + t->rxsubchans = V4L2_TUNER_SUB_STEREO; + break; + case 0x70: + t->rxsubchans = V4L2_TUNER_SUB_MONO; + break; + default: + t->rxsubchans = V4L2_TUNER_SUB_MONO | + V4L2_TUNER_SUB_STEREO | + V4L2_TUNER_SUB_LANG1 | + V4L2_TUNER_SUB_LANG2; + } + t->audmode = V4L2_TUNER_MODE_STEREO | + V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; + } +} + +/* + * Mario Medina Nussbaum <medisoft@alohabbs.org.mx> + * I discover that on BT848_GPIO_DATA address a byte 0xcce enable stereo, + * 0xdde enables mono and 0xccd enables sap + * + * Petr Vandrovec <VANDROVE@vc.cvut.cz> + * P.S.: At least mask in line above is wrong - GPIO pins 3,2 select + * input/output sound connection, so both must be set for output mode. + * + * Looks like it's needed only for the "tvphone", the "tvphone 98" + * handles this with a tda9840 + * + */ + +void avermedia_tvphone_audio(struct bttv *btv, struct v4l2_tuner *t, int set) +{ + int val = 0; + + if (set) { + if (t->audmode & V4L2_TUNER_MODE_LANG2) /* SAP */ + val = 0x02; + if (t->audmode & V4L2_TUNER_MODE_STEREO) + val = 0x01; + if (val) { + gpio_bits(0x03,val); + if (bttv_gpio) + bttv_gpio_tracking(btv,"avermedia"); + } + } else { + t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO | + V4L2_TUNER_MODE_LANG1; + return; + } +} + + +void avermedia_tv_stereo_audio(struct bttv *btv, struct v4l2_tuner *t, int set) +{ + int val = 0; + + if (set) { + if (t->audmode & V4L2_TUNER_MODE_LANG2) /* SAP */ + val = 0x01; + if (t->audmode & V4L2_TUNER_MODE_STEREO) /* STEREO */ + val = 0x02; + btaor(val, ~0x03, BT848_GPIO_DATA); + if (bttv_gpio) + bttv_gpio_tracking(btv,"avermedia"); + } else { + t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO | + V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; + return; + } +} + +/* Lifetec 9415 handling */ + +void lt9415_audio(struct bttv *btv, struct v4l2_tuner *t, int set) +{ + int val = 0; + + if (gpio_read() & 0x4000) { + t->audmode = V4L2_TUNER_MODE_MONO; + return; + } + + if (set) { + if (t->audmode & V4L2_TUNER_MODE_LANG2) /* A2 SAP */ + val = 0x0080; + if (t->audmode & V4L2_TUNER_MODE_STEREO) /* A2 stereo */ + val = 0x0880; + if ((t->audmode & V4L2_TUNER_MODE_LANG1) || + (t->audmode & V4L2_TUNER_MODE_MONO)) + val = 0; + gpio_bits(0x0880, val); + if (bttv_gpio) + bttv_gpio_tracking(btv,"lt9415"); + } else { + /* autodetect doesn't work with this card :-( */ + t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO | + V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; + return; + } +} + +/* TDA9821 on TerraTV+ Bt848, Bt878 */ +void terratv_audio(struct bttv *btv, struct v4l2_tuner *t, int set) +{ + unsigned int con = 0; + + if (set) { + gpio_inout(0x180000,0x180000); + if (t->audmode & V4L2_TUNER_MODE_LANG2) + con = 0x080000; + if (t->audmode & V4L2_TUNER_MODE_STEREO) + con = 0x180000; + gpio_bits(0x180000, con); + if (bttv_gpio) + bttv_gpio_tracking(btv,"terratv"); + } else { + t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO | + V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; + } +} + + +void winfast2000_audio(struct bttv *btv, struct v4l2_tuner *t, int set) +{ + unsigned long val = 0; + + if (set) { + /*btor (0xc32000, BT848_GPIO_OUT_EN);*/ + if (t->audmode & V4L2_TUNER_MODE_MONO) /* Mono */ + val = 0x420000; + if (t->audmode & V4L2_TUNER_MODE_LANG1) /* Mono */ + val = 0x420000; + if (t->audmode & V4L2_TUNER_MODE_LANG2) /* SAP */ + val = 0x410000; + if (t->audmode & V4L2_TUNER_MODE_STEREO) /* Stereo */ + val = 0x020000; + if (val) { + gpio_bits(0x430000, val); + if (bttv_gpio) + bttv_gpio_tracking(btv,"winfast2000"); + } + } else { + t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO | + V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; + } +} + +/* + * Dariusz Kowalewski <darekk@automex.pl> + * sound control for Prolink PV-BT878P+9B (PixelView PlayTV Pro FM+NICAM + * revision 9B has on-board TDA9874A sound decoder). + * + * Note: There are card variants without tda9874a. Forcing the "stereo sound route" + * will mute this cards. + */ +void pvbt878p9b_audio(struct bttv *btv, struct v4l2_tuner *t, int set) +{ + unsigned int val = 0; + + if (btv->radio_user) + return; + + if (set) { + if (t->audmode & V4L2_TUNER_MODE_MONO) { + val = 0x01; + } + if ((t->audmode & (V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2)) + || (t->audmode & V4L2_TUNER_MODE_STEREO)) { + val = 0x02; + } + if (val) { + gpio_bits(0x03,val); + if (bttv_gpio) + bttv_gpio_tracking(btv,"pvbt878p9b"); + } + } else { + t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO | + V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; + } +} + +/* + * Dariusz Kowalewski <darekk@automex.pl> + * sound control for FlyVideo 2000S (with tda9874 decoder) + * based on pvbt878p9b_audio() - this is not tested, please fix!!! + */ +void fv2000s_audio(struct bttv *btv, struct v4l2_tuner *t, int set) +{ + unsigned int val = 0xffff; + + if (btv->radio_user) + return; + + if (set) { + if (t->audmode & V4L2_TUNER_MODE_MONO) { + val = 0x0000; + } + if ((t->audmode & (V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2)) + || (t->audmode & V4L2_TUNER_MODE_STEREO)) { + val = 0x1080; /*-dk-???: 0x0880, 0x0080, 0x1800 ... */ + } + if (val != 0xffff) { + gpio_bits(0x1800, val); + if (bttv_gpio) + bttv_gpio_tracking(btv,"fv2000s"); + } + } else { + t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO | + V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; + } +} + +/* + * sound control for Canopus WinDVR PCI + * Masaki Suzuki <masaki@btree.org> + */ +void windvr_audio(struct bttv *btv, struct v4l2_tuner *t, int set) +{ + unsigned long val = 0; + + if (set) { + if (t->audmode & V4L2_TUNER_MODE_MONO) + val = 0x040000; + if (t->audmode & V4L2_TUNER_MODE_LANG1) + val = 0; + if (t->audmode & V4L2_TUNER_MODE_LANG2) + val = 0x100000; + if (t->audmode & V4L2_TUNER_MODE_STEREO) + val = 0; + if (val) { + gpio_bits(0x140000, val); + if (bttv_gpio) + bttv_gpio_tracking(btv,"windvr"); + } + } else { + t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO | + V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; + } +} + +/* + * sound control for AD-TVK503 + * Hiroshi Takekawa <sian@big.or.jp> + */ +void adtvk503_audio(struct bttv *btv, struct v4l2_tuner *t, int set) +{ + unsigned int con = 0xffffff; + + /* btaor(0x1e0000, ~0x1e0000, BT848_GPIO_OUT_EN); */ + + if (set) { + /* btor(***, BT848_GPIO_OUT_EN); */ + if (t->audmode & V4L2_TUNER_MODE_LANG1) + con = 0x00000000; + if (t->audmode & V4L2_TUNER_MODE_LANG2) + con = 0x00180000; + if (t->audmode & V4L2_TUNER_MODE_STEREO) + con = 0x00000000; + if (t->audmode & V4L2_TUNER_MODE_MONO) + con = 0x00060000; + if (con != 0xffffff) { + gpio_bits(0x1e0000,con); + if (bttv_gpio) + bttv_gpio_tracking(btv, "adtvk503"); + } + } else { + t->audmode = V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO | + V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2; + } +} |
