Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Mauro Carvalho Chehab | 1343 | 92.30% | 3 | 50.00% |
Nickolay V. Shmyrev | 112 | 7.70% | 3 | 50.00% |
Total | 1455 | 6 |
/* * Handlers for board audio hooks, split from bttv-cards * * Copyright (c) 2006 Mauro Carvalho Chehab <mchehab@kernel.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; if (!set) { /* Not much to do here */ t->audmode = V4L2_TUNER_MODE_LANG1; t->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; return; } gpio_inout(0x300, 0x300); switch (t->audmode) { case V4L2_TUNER_MODE_LANG1: default: con = 0x000; break; case V4L2_TUNER_MODE_LANG2: con = 0x300; break; case V4L2_TUNER_MODE_STEREO: con = 0x200; break; } gpio_bits(0x300, con); } 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) { switch (t->audmode) { case V4L2_TUNER_MODE_LANG2: con = 0x300; break; case V4L2_TUNER_MODE_LANG1_LANG2: con = 0x100; break; default: con = 0x000; break; } 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; t->audmode = V4L2_TUNER_MODE_LANG1_LANG2; break; case 0x30: t->rxsubchans = V4L2_TUNER_SUB_LANG2; t->audmode = V4L2_TUNER_MODE_LANG1_LANG2; break; case 0x50: t->rxsubchans = V4L2_TUNER_SUB_LANG1; t->audmode = V4L2_TUNER_MODE_LANG1_LANG2; break; case 0x60: t->rxsubchans = V4L2_TUNER_SUB_STEREO; t->audmode = V4L2_TUNER_MODE_STEREO; break; case 0x70: t->rxsubchans = V4L2_TUNER_SUB_MONO; t->audmode = V4L2_TUNER_MODE_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_LANG1; } } } /* * 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; if (!set) { /* Not much to do here */ t->audmode = V4L2_TUNER_MODE_LANG1; t->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; return; } switch (t->audmode) { case V4L2_TUNER_MODE_LANG2: /* SAP */ val = 0x02; break; case V4L2_TUNER_MODE_STEREO: val = 0x01; break; default: return; } gpio_bits(0x03, val); if (bttv_gpio) bttv_gpio_tracking(btv, "avermedia"); } void avermedia_tv_stereo_audio(struct bttv *btv, struct v4l2_tuner *t, int set) { int val = 0; if (!set) { /* Not much to do here */ t->audmode = V4L2_TUNER_MODE_LANG1; t->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; return; } switch (t->audmode) { case V4L2_TUNER_MODE_LANG2: /* SAP */ val = 0x01; break; case V4L2_TUNER_MODE_STEREO: val = 0x02; break; default: val = 0; break; } btaor(val, ~0x03, BT848_GPIO_DATA); if (bttv_gpio) bttv_gpio_tracking(btv, "avermedia"); } /* 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) { /* Not much to do here */ t->audmode = V4L2_TUNER_MODE_LANG1; t->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; return; } switch (t->audmode) { case V4L2_TUNER_MODE_LANG2: /* A2 SAP */ val = 0x0080; break; case V4L2_TUNER_MODE_STEREO: /* A2 stereo */ val = 0x0880; break; default: val = 0; break; } gpio_bits(0x0880, val); if (bttv_gpio) bttv_gpio_tracking(btv, "lt9415"); } /* TDA9821 on TerraTV+ Bt848, Bt878 */ void terratv_audio(struct bttv *btv, struct v4l2_tuner *t, int set) { unsigned int con = 0; if (!set) { /* Not much to do here */ t->audmode = V4L2_TUNER_MODE_LANG1; t->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; return; } gpio_inout(0x180000, 0x180000); switch (t->audmode) { case V4L2_TUNER_MODE_LANG2: con = 0x080000; break; case V4L2_TUNER_MODE_STEREO: con = 0x180000; break; default: con = 0; break; } gpio_bits(0x180000, con); if (bttv_gpio) bttv_gpio_tracking(btv, "terratv"); } void winfast2000_audio(struct bttv *btv, struct v4l2_tuner *t, int set) { unsigned long val; if (!set) { /* Not much to do here */ t->audmode = V4L2_TUNER_MODE_LANG1; t->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; return; } /*btor (0xc32000, BT848_GPIO_OUT_EN);*/ switch (t->audmode) { case V4L2_TUNER_MODE_MONO: case V4L2_TUNER_MODE_LANG1: val = 0x420000; break; case V4L2_TUNER_MODE_LANG2: /* SAP */ val = 0x410000; break; case V4L2_TUNER_MODE_STEREO: val = 0x020000; break; default: return; } gpio_bits(0x430000, val); if (bttv_gpio) bttv_gpio_tracking(btv, "winfast2000"); } /* * 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) { /* Not much to do here */ t->audmode = V4L2_TUNER_MODE_LANG1; t->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; return; } switch (t->audmode) { case V4L2_TUNER_MODE_MONO: val = 0x01; break; case V4L2_TUNER_MODE_LANG1: case V4L2_TUNER_MODE_LANG2: case V4L2_TUNER_MODE_STEREO: val = 0x02; break; default: return; } gpio_bits(0x03, val); if (bttv_gpio) bttv_gpio_tracking(btv, "pvbt878p9b"); } /* * 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; if (btv->radio_user) return; if (!set) { /* Not much to do here */ t->audmode = V4L2_TUNER_MODE_LANG1; t->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; return; } switch (t->audmode) { case V4L2_TUNER_MODE_MONO: val = 0x0000; break; case V4L2_TUNER_MODE_LANG1: case V4L2_TUNER_MODE_LANG2: case V4L2_TUNER_MODE_STEREO: val = 0x1080; /*-dk-???: 0x0880, 0x0080, 0x1800 ... */ break; default: return; } gpio_bits(0x1800, val); if (bttv_gpio) bttv_gpio_tracking(btv, "fv2000s"); } /* * 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; if (!set) { /* Not much to do here */ t->audmode = V4L2_TUNER_MODE_LANG1; t->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; return; } switch (t->audmode) { case V4L2_TUNER_MODE_MONO: val = 0x040000; break; case V4L2_TUNER_MODE_LANG2: val = 0x100000; break; default: return; } gpio_bits(0x140000, val); if (bttv_gpio) bttv_gpio_tracking(btv, "windvr"); } /* * 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) { /* Not much to do here */ t->audmode = V4L2_TUNER_MODE_LANG1; t->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; return; } /* btor(***, BT848_GPIO_OUT_EN); */ switch (t->audmode) { case V4L2_TUNER_MODE_LANG1: con = 0x00000000; break; case V4L2_TUNER_MODE_LANG2: con = 0x00180000; break; case V4L2_TUNER_MODE_STEREO: con = 0x00000000; break; case V4L2_TUNER_MODE_MONO: con = 0x00060000; break; default: return; } gpio_bits(0x1e0000, con); if (bttv_gpio) bttv_gpio_tracking(btv, "adtvk503"); }
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