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media: ttpci: use rc-core for the IR receiver
The IR protocol can now only be set via the rc protocols sysfs file rather than via module parameters or a custom procfs file. So, it is no longer necessary to periodically check for protocol changes. The IR_RCMM protocol does not decode the Philips RC-MM protocol (12, 24 or 32 bit variants) or any protocol rc-core can encode, so this is marked RC_PROTO_UNKNOWN. Tested on Technotrend/Hauppauge WinTV Nexus-S rev2.1, which comes with a small black hauppauge remote. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sean Young
Mauro Carvalho Chehab
parent
eb5005df88
commit
71f49a8bf5
@ -218,7 +218,7 @@ static void recover_arm(struct av7110 *av7110)
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restart_feeds(av7110);
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#if IS_ENABLED(CONFIG_DVB_AV7110_IR)
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av7110_check_ir_config(av7110, true);
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av7110_set_ir_config(av7110);
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#endif
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}
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@ -250,10 +250,6 @@ static int arm_thread(void *data)
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if (!av7110->arm_ready)
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continue;
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#if IS_ENABLED(CONFIG_DVB_AV7110_IR)
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av7110_check_ir_config(av7110, false);
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#endif
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if (mutex_lock_interruptible(&av7110->dcomlock))
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break;
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newloops = rdebi(av7110, DEBINOSWAP, STATUS_LOOPS, 0, 2);
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@ -659,9 +655,11 @@ static void gpioirq(unsigned long cookie)
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return;
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case DATA_IRCOMMAND:
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if (av7110->ir.ir_handler)
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av7110->ir.ir_handler(av7110,
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swahw32(irdebi(av7110, DEBINOSWAP, Reserved, 0, 4)));
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#if IS_ENABLED(CONFIG_DVB_AV7110_IR)
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av7110_ir_handler(av7110,
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swahw32(irdebi(av7110, DEBINOSWAP, Reserved,
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0, 4)));
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#endif
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iwdebi(av7110, DEBINOSWAP, RX_BUFF, 0, 2);
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break;
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@ -81,23 +81,11 @@ struct av7110;
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/* infrared remote control */
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struct infrared {
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u16 key_map[256];
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struct input_dev *input_dev;
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struct rc_dev *rcdev;
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char input_phys[32];
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struct timer_list keyup_timer;
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struct tasklet_struct ir_tasklet;
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void (*ir_handler)(struct av7110 *av7110, u32 ircom);
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u32 ir_command;
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u32 ir_config;
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u32 device_mask;
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u8 protocol;
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u8 inversion;
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u16 last_key;
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u16 last_toggle;
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bool keypressed;
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};
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/* place to store all the necessary device information */
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struct av7110 {
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@ -304,9 +292,10 @@ struct av7110 {
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extern int ChangePIDs(struct av7110 *av7110, u16 vpid, u16 apid, u16 ttpid,
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u16 subpid, u16 pcrpid);
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extern int av7110_check_ir_config(struct av7110 *av7110, int force);
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extern int av7110_ir_init(struct av7110 *av7110);
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extern void av7110_ir_exit(struct av7110 *av7110);
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void av7110_ir_handler(struct av7110 *av7110, u32 ircom);
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int av7110_set_ir_config(struct av7110 *av7110);
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int av7110_ir_init(struct av7110 *av7110);
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void av7110_ir_exit(struct av7110 *av7110);
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/* msp3400 i2c subaddresses */
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#define MSP_WR_DEM 0x10
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@ -4,379 +4,156 @@
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*
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* Copyright (C) 1999-2003 Holger Waechtler <holger@convergence.de>
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* Copyright (C) 2003-2007 Oliver Endriss <o.endriss@gmx.de>
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* Copyright (C) 2019 Sean Young <sean@mess.org>
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/proc_fs.h>
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#include <linux/kernel.h>
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#include <linux/bitops.h>
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#include <media/rc-core.h>
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#include "av7110.h"
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#include "av7110_hw.h"
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#define AV_CNT 4
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#define IR_RC5 0
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#define IR_RCMM 1
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#define IR_RC5_EXT 2 /* internal only */
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#define IR_ALL 0xffffffff
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#define UP_TIMEOUT (HZ*7/25)
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/* Note: enable ir debugging by or'ing debug with 16 */
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static int ir_protocol[AV_CNT] = { IR_RCMM, IR_RCMM, IR_RCMM, IR_RCMM};
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module_param_array(ir_protocol, int, NULL, 0644);
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MODULE_PARM_DESC(ir_protocol, "Infrared protocol: 0 RC5, 1 RCMM (default)");
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static int ir_inversion[AV_CNT];
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module_param_array(ir_inversion, int, NULL, 0644);
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MODULE_PARM_DESC(ir_inversion, "Inversion of infrared signal: 0 not inverted (default), 1 inverted");
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static uint ir_device_mask[AV_CNT] = { IR_ALL, IR_ALL, IR_ALL, IR_ALL };
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module_param_array(ir_device_mask, uint, NULL, 0644);
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MODULE_PARM_DESC(ir_device_mask, "Bitmask of infrared devices: bit 0..31 = device 0..31 (default: all)");
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static int av_cnt;
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static struct av7110 *av_list[AV_CNT];
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static u16 default_key_map [256] = {
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KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7,
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KEY_8, KEY_9, KEY_BACK, 0, KEY_POWER, KEY_MUTE, 0, KEY_INFO,
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KEY_VOLUMEUP, KEY_VOLUMEDOWN, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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KEY_CHANNELUP, KEY_CHANNELDOWN, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, KEY_TEXT, 0, 0, KEY_TV, 0, 0, 0, 0, 0, KEY_SETUP, 0, 0,
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0, 0, 0, KEY_SUBTITLE, 0, 0, KEY_LANGUAGE, 0,
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KEY_RADIO, 0, 0, 0, 0, KEY_EXIT, 0, 0,
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KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_OK, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RED, KEY_GREEN, KEY_YELLOW,
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KEY_BLUE, 0, 0, 0, 0, 0, 0, 0, KEY_MENU, KEY_LIST, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, KEY_UP, KEY_UP, KEY_DOWN, KEY_DOWN,
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0, 0, 0, 0, KEY_EPG, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_VCR
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};
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/* key-up timer */
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static void av7110_emit_keyup(struct timer_list *t)
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/* interrupt handler */
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void av7110_ir_handler(struct av7110 *av7110, u32 ircom)
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{
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struct infrared *ir = from_timer(ir, t, keyup_timer);
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struct rc_dev *rcdev = av7110->ir.rcdev;
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enum rc_proto proto;
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u32 command, addr, scancode;
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u32 toggle;
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if (!ir || !ir->keypressed)
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return;
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dprintk(4, "ir command = %08x\n", ircom);
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input_report_key(ir->input_dev, ir->last_key, 0);
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input_sync(ir->input_dev);
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ir->keypressed = false;
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}
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/* tasklet */
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static void av7110_emit_key(unsigned long parm)
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{
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struct infrared *ir = (struct infrared *) parm;
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u32 ircom = ir->ir_command;
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u8 data;
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u8 addr;
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u16 toggle;
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u16 keycode;
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/* extract device address and data */
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switch (ir->protocol) {
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case IR_RC5: /* RC5: 5 bits device address, 6 bits data */
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data = ircom & 0x3f;
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addr = (ircom >> 6) & 0x1f;
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toggle = ircom & 0x0800;
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break;
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case IR_RCMM: /* RCMM: ? bits device address, ? bits data */
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data = ircom & 0xff;
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addr = (ircom >> 8) & 0x1f;
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toggle = ircom & 0x8000;
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break;
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case IR_RC5_EXT: /* extended RC5: 5 bits device address, 7 bits data */
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data = ircom & 0x3f;
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addr = (ircom >> 6) & 0x1f;
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/* invert 7th data bit for backward compatibility with RC5 keymaps */
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if (!(ircom & 0x1000))
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data |= 0x40;
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toggle = ircom & 0x0800;
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break;
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default:
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printk("%s invalid protocol %x\n", __func__, ir->protocol);
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return;
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}
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input_event(ir->input_dev, EV_MSC, MSC_RAW, (addr << 16) | data);
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input_event(ir->input_dev, EV_MSC, MSC_SCAN, data);
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keycode = ir->key_map[data];
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dprintk(16, "%s: code %08x -> addr %i data 0x%02x -> keycode %i\n",
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__func__, ircom, addr, data, keycode);
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/* check device address */
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if (!(ir->device_mask & (1 << addr)))
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return;
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if (!keycode) {
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printk ("%s: code %08x -> addr %i data 0x%02x -> unknown key!\n",
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__func__, ircom, addr, data);
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return;
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}
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if (ir->keypressed &&
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(ir->last_key != keycode || toggle != ir->last_toggle))
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input_event(ir->input_dev, EV_KEY, ir->last_key, 0);
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input_event(ir->input_dev, EV_KEY, keycode, 1);
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input_sync(ir->input_dev);
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ir->keypressed = true;
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ir->last_key = keycode;
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ir->last_toggle = toggle;
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mod_timer(&ir->keyup_timer, jiffies + UP_TIMEOUT);
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}
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/* register with input layer */
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static void input_register_keys(struct infrared *ir)
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{
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int i;
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set_bit(EV_KEY, ir->input_dev->evbit);
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set_bit(EV_REP, ir->input_dev->evbit);
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set_bit(EV_MSC, ir->input_dev->evbit);
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set_bit(MSC_RAW, ir->input_dev->mscbit);
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set_bit(MSC_SCAN, ir->input_dev->mscbit);
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memset(ir->input_dev->keybit, 0, sizeof(ir->input_dev->keybit));
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for (i = 0; i < ARRAY_SIZE(ir->key_map); i++) {
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if (ir->key_map[i] > KEY_MAX)
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ir->key_map[i] = 0;
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else if (ir->key_map[i] > KEY_RESERVED)
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set_bit(ir->key_map[i], ir->input_dev->keybit);
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}
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ir->input_dev->keycode = ir->key_map;
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ir->input_dev->keycodesize = sizeof(ir->key_map[0]);
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ir->input_dev->keycodemax = ARRAY_SIZE(ir->key_map);
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}
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/* check for configuration changes */
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int av7110_check_ir_config(struct av7110 *av7110, int force)
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{
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int i;
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int modified = force;
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int ret = -ENODEV;
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for (i = 0; i < av_cnt; i++)
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if (av7110 == av_list[i])
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if (rcdev) {
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switch (av7110->ir.ir_config) {
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case IR_RC5: /* RC5: 5 bits device address, 6 bits command */
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command = ircom & 0x3f;
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addr = (ircom >> 6) & 0x1f;
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scancode = RC_SCANCODE_RC5(addr, command);
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toggle = ircom & 0x0800;
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proto = RC_PROTO_RC5;
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break;
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if (i < av_cnt && av7110) {
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if ((av7110->ir.protocol & 1) != ir_protocol[i] ||
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av7110->ir.inversion != ir_inversion[i])
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modified = true;
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case IR_RCMM: /* RCMM: ? bits device address, ? bits command */
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command = ircom & 0xff;
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addr = (ircom >> 8) & 0x1f;
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scancode = ircom;
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toggle = ircom & 0x8000;
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proto = RC_PROTO_UNKNOWN;
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break;
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if (modified) {
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/* protocol */
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if (ir_protocol[i]) {
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ir_protocol[i] = 1;
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av7110->ir.protocol = IR_RCMM;
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av7110->ir.ir_config = 0x0001;
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} else if (FW_VERSION(av7110->arm_app) >= 0x2620) {
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av7110->ir.protocol = IR_RC5_EXT;
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av7110->ir.ir_config = 0x0002;
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} else {
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av7110->ir.protocol = IR_RC5;
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av7110->ir.ir_config = 0x0000;
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}
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/* inversion */
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if (ir_inversion[i]) {
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ir_inversion[i] = 1;
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av7110->ir.ir_config |= 0x8000;
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}
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av7110->ir.inversion = ir_inversion[i];
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/* update ARM */
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ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, SetIR, 1,
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av7110->ir.ir_config);
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} else
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ret = 0;
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case IR_RC5_EXT:
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/*
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* extended RC5: 5 bits device address, 7 bits command
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*
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* Extended RC5 uses only one start bit. The second
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* start bit is re-assigned bit 6 of the command bit.
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*/
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command = ircom & 0x3f;
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addr = (ircom >> 6) & 0x1f;
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if (!(ircom & 0x1000))
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command |= 0x40;
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scancode = RC_SCANCODE_RC5(addr, command);
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toggle = ircom & 0x0800;
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proto = RC_PROTO_RC5;
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break;
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default:
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dprintk(2, "unknown ir config %d\n",
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av7110->ir.ir_config);
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return;
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}
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/* address */
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if (av7110->ir.device_mask != ir_device_mask[i])
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av7110->ir.device_mask = ir_device_mask[i];
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rc_keydown(rcdev, proto, scancode, toggle != 0);
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}
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}
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int av7110_set_ir_config(struct av7110 *av7110)
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{
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dprintk(4, "ir config = %08x\n", av7110->ir.ir_config);
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return av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, SetIR, 1,
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av7110->ir.ir_config);
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}
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static int change_protocol(struct rc_dev *rcdev, u64 *rc_type)
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{
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struct av7110 *av7110 = rcdev->priv;
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u32 ir_config;
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if (*rc_type & RC_PROTO_BIT_UNKNOWN) {
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ir_config = IR_RCMM;
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*rc_type = RC_PROTO_UNKNOWN;
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} else if (*rc_type & RC_PROTO_BIT_RC5) {
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if (FW_VERSION(av7110->arm_app) >= 0x2620)
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ir_config = IR_RC5_EXT;
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else
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ir_config = IR_RC5;
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*rc_type = RC_PROTO_BIT_RC5;
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} else {
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return -EINVAL;
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}
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if (ir_config == av7110->ir.ir_config)
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return 0;
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av7110->ir.ir_config = ir_config;
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return av7110_set_ir_config(av7110);
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}
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int av7110_ir_init(struct av7110 *av7110)
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{
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struct rc_dev *rcdev;
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struct pci_dev *pci;
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int ret;
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rcdev = rc_allocate_device(RC_DRIVER_SCANCODE);
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if (!rcdev)
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return -ENOMEM;
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pci = av7110->dev->pci;
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snprintf(av7110->ir.input_phys, sizeof(av7110->ir.input_phys),
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"pci-%s/ir0", pci_name(pci));
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rcdev->device_name = av7110->card_name;
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rcdev->driver_name = KBUILD_MODNAME;
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rcdev->input_phys = av7110->ir.input_phys;
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rcdev->input_id.bustype = BUS_PCI;
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rcdev->input_id.version = 2;
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if (pci->subsystem_vendor) {
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rcdev->input_id.vendor = pci->subsystem_vendor;
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rcdev->input_id.product = pci->subsystem_device;
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} else {
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rcdev->input_id.vendor = pci->vendor;
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rcdev->input_id.product = pci->device;
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}
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rcdev->dev.parent = &pci->dev;
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rcdev->allowed_protocols = RC_PROTO_BIT_RC5 | RC_PROTO_BIT_UNKNOWN;
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rcdev->change_protocol = change_protocol;
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rcdev->map_name = RC_MAP_HAUPPAUGE;
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rcdev->priv = av7110;
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av7110->ir.rcdev = rcdev;
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av7110->ir.ir_config = IR_RC5;
|
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av7110_set_ir_config(av7110);
|
||||
|
||||
ret = rc_register_device(rcdev);
|
||||
if (ret) {
|
||||
av7110->ir.rcdev = NULL;
|
||||
rc_free_device(rcdev);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
/* /proc/av7110_ir interface */
|
||||
static ssize_t av7110_ir_proc_write(struct file *file, const char __user *buffer,
|
||||
size_t count, loff_t *pos)
|
||||
{
|
||||
char *page;
|
||||
u32 ir_config;
|
||||
int size = sizeof ir_config + sizeof av_list[0]->ir.key_map;
|
||||
int i;
|
||||
|
||||
if (count < size)
|
||||
return -EINVAL;
|
||||
|
||||
page = vmalloc(size);
|
||||
if (!page)
|
||||
return -ENOMEM;
|
||||
|
||||
if (copy_from_user(page, buffer, size)) {
|
||||
vfree(page);
|
||||
return -EFAULT;
|
||||
}
|
||||
|
||||
memcpy(&ir_config, page, sizeof ir_config);
|
||||
|
||||
for (i = 0; i < av_cnt; i++) {
|
||||
/* keymap */
|
||||
memcpy(av_list[i]->ir.key_map, page + sizeof ir_config,
|
||||
sizeof(av_list[i]->ir.key_map));
|
||||
/* protocol, inversion, address */
|
||||
ir_protocol[i] = ir_config & 0x0001;
|
||||
ir_inversion[i] = ir_config & 0x8000 ? 1 : 0;
|
||||
if (ir_config & 0x4000)
|
||||
ir_device_mask[i] = 1 << ((ir_config >> 16) & 0x1f);
|
||||
else
|
||||
ir_device_mask[i] = IR_ALL;
|
||||
/* update configuration */
|
||||
av7110_check_ir_config(av_list[i], false);
|
||||
input_register_keys(&av_list[i]->ir);
|
||||
}
|
||||
vfree(page);
|
||||
return count;
|
||||
}
|
||||
|
||||
static const struct file_operations av7110_ir_proc_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.write = av7110_ir_proc_write,
|
||||
.llseek = noop_llseek,
|
||||
};
|
||||
|
||||
/* interrupt handler */
|
||||
static void ir_handler(struct av7110 *av7110, u32 ircom)
|
||||
{
|
||||
dprintk(4, "ir command = %08x\n", ircom);
|
||||
av7110->ir.ir_command = ircom;
|
||||
tasklet_schedule(&av7110->ir.ir_tasklet);
|
||||
}
|
||||
|
||||
|
||||
int av7110_ir_init(struct av7110 *av7110)
|
||||
{
|
||||
struct input_dev *input_dev;
|
||||
static struct proc_dir_entry *e;
|
||||
int err;
|
||||
|
||||
if (av_cnt >= ARRAY_SIZE(av_list))
|
||||
return -ENOSPC;
|
||||
|
||||
av_list[av_cnt++] = av7110;
|
||||
av7110_check_ir_config(av7110, true);
|
||||
|
||||
timer_setup(&av7110->ir.keyup_timer, av7110_emit_keyup, 0);
|
||||
|
||||
input_dev = input_allocate_device();
|
||||
if (!input_dev)
|
||||
return -ENOMEM;
|
||||
|
||||
av7110->ir.input_dev = input_dev;
|
||||
snprintf(av7110->ir.input_phys, sizeof(av7110->ir.input_phys),
|
||||
"pci-%s/ir0", pci_name(av7110->dev->pci));
|
||||
|
||||
input_dev->name = "DVB on-card IR receiver";
|
||||
|
||||
input_dev->phys = av7110->ir.input_phys;
|
||||
input_dev->id.bustype = BUS_PCI;
|
||||
input_dev->id.version = 2;
|
||||
if (av7110->dev->pci->subsystem_vendor) {
|
||||
input_dev->id.vendor = av7110->dev->pci->subsystem_vendor;
|
||||
input_dev->id.product = av7110->dev->pci->subsystem_device;
|
||||
} else {
|
||||
input_dev->id.vendor = av7110->dev->pci->vendor;
|
||||
input_dev->id.product = av7110->dev->pci->device;
|
||||
}
|
||||
input_dev->dev.parent = &av7110->dev->pci->dev;
|
||||
/* initial keymap */
|
||||
memcpy(av7110->ir.key_map, default_key_map, sizeof av7110->ir.key_map);
|
||||
input_register_keys(&av7110->ir);
|
||||
err = input_register_device(input_dev);
|
||||
if (err) {
|
||||
input_free_device(input_dev);
|
||||
return err;
|
||||
}
|
||||
|
||||
/*
|
||||
* Input core's default autorepeat is 33 cps with 250 msec
|
||||
* delay, let's adjust to numbers more suitable for remote
|
||||
* control.
|
||||
*/
|
||||
input_enable_softrepeat(input_dev, 250, 125);
|
||||
|
||||
if (av_cnt == 1) {
|
||||
e = proc_create("av7110_ir", S_IWUSR, NULL, &av7110_ir_proc_fops);
|
||||
if (e)
|
||||
proc_set_size(e, 4 + 256 * sizeof(u16));
|
||||
}
|
||||
|
||||
tasklet_init(&av7110->ir.ir_tasklet, av7110_emit_key, (unsigned long) &av7110->ir);
|
||||
av7110->ir.ir_handler = ir_handler;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
void av7110_ir_exit(struct av7110 *av7110)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (av_cnt == 0)
|
||||
return;
|
||||
|
||||
del_timer_sync(&av7110->ir.keyup_timer);
|
||||
av7110->ir.ir_handler = NULL;
|
||||
tasklet_kill(&av7110->ir.ir_tasklet);
|
||||
|
||||
for (i = 0; i < av_cnt; i++)
|
||||
if (av_list[i] == av7110) {
|
||||
av_list[i] = av_list[av_cnt-1];
|
||||
av_list[av_cnt-1] = NULL;
|
||||
break;
|
||||
}
|
||||
|
||||
if (av_cnt == 1)
|
||||
remove_proc_entry("av7110_ir", NULL);
|
||||
|
||||
input_unregister_device(av7110->ir.input_dev);
|
||||
|
||||
av_cnt--;
|
||||
rc_unregister_device(av7110->ir.rcdev);
|
||||
}
|
||||
|
||||
//MODULE_AUTHOR("Holger Waechtler <holger@convergence.de>, Oliver Endriss <o.endriss@gmx.de>");
|
||||
|
||||
@ -233,6 +233,7 @@ static struct rc_map_table rc5_hauppauge_new[] = {
|
||||
* This one also uses RC-5 protocol
|
||||
* Keycodes start with address = 0x00
|
||||
*/
|
||||
{ 0x000f, KEY_TV },
|
||||
{ 0x001f, KEY_TV },
|
||||
{ 0x0020, KEY_CHANNELUP },
|
||||
{ 0x000c, KEY_RADIO },
|
||||
|
||||
Loading…
Reference in New Issue
Block a user