Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0
/*
 * Handlers for board audio hooks, split from bttv-cards
 *
 * Copyright (c) 2006 Mauro Carvalho Chehab <mchehab@kernel.org>
 */
 
#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");
}