/*
- * $Id: cx88-input.c,v 1.9 2005/03/04 09:12:23 kraxel Exp $
*
* Device driver for GPIO attached remote control interfaces
* on Conexant 2388x based TV/DVB cards.
*
* Copyright (c) 2003 Pavel Machek
* Copyright (c) 2004 Gerd Knorr
- * Copyright (c) 2004 Chris Pascoe
+ * Copyright (c) 2004, 2005 Chris Pascoe
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <media/ir-common.h>
-
#include "cx88.h"
-
-/* ---------------------------------------------------------------------- */
-
-/* DigitalNow DNTV Live DVB-T Remote */
-static IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE] = {
- [ 0x00 ] = KEY_ESC, // 'go up a level?'
- [ 0x01 ] = KEY_KP1, // '1'
- [ 0x02 ] = KEY_KP2, // '2'
- [ 0x03 ] = KEY_KP3, // '3'
- [ 0x04 ] = KEY_KP4, // '4'
- [ 0x05 ] = KEY_KP5, // '5'
- [ 0x06 ] = KEY_KP6, // '6'
- [ 0x07 ] = KEY_KP7, // '7'
- [ 0x08 ] = KEY_KP8, // '8'
- [ 0x09 ] = KEY_KP9, // '9'
- [ 0x0a ] = KEY_KP0, // '0'
- [ 0x0b ] = KEY_TUNER, // 'tv/fm'
- [ 0x0c ] = KEY_SEARCH, // 'scan'
- [ 0x0d ] = KEY_STOP, // 'stop'
- [ 0x0e ] = KEY_PAUSE, // 'pause'
- [ 0x0f ] = KEY_LIST, // 'source'
-
- [ 0x10 ] = KEY_MUTE, // 'mute'
- [ 0x11 ] = KEY_REWIND, // 'backward <<'
- [ 0x12 ] = KEY_POWER, // 'power'
- [ 0x13 ] = KEY_S, // 'snap'
- [ 0x14 ] = KEY_AUDIO, // 'stereo'
- [ 0x15 ] = KEY_CLEAR, // 'reset'
- [ 0x16 ] = KEY_PLAY, // 'play'
- [ 0x17 ] = KEY_ENTER, // 'enter'
- [ 0x18 ] = KEY_ZOOM, // 'full screen'
- [ 0x19 ] = KEY_FASTFORWARD, // 'forward >>'
- [ 0x1a ] = KEY_CHANNELUP, // 'channel +'
- [ 0x1b ] = KEY_VOLUMEUP, // 'volume +'
- [ 0x1c ] = KEY_INFO, // 'preview'
- [ 0x1d ] = KEY_RECORD, // 'record'
- [ 0x1e ] = KEY_CHANNELDOWN, // 'channel -'
- [ 0x1f ] = KEY_VOLUMEDOWN, // 'volume -'
-};
-
-/* ---------------------------------------------------------------------- */
-
-/* IO-DATA BCTV7E Remote */
-static IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE] = {
- [ 0x40 ] = KEY_TV, // TV
- [ 0x20 ] = KEY_RADIO, // FM
- [ 0x60 ] = KEY_EPG, // EPG
- [ 0x00 ] = KEY_POWER, // power
-
- [ 0x50 ] = KEY_KP1, // 1
- [ 0x30 ] = KEY_KP2, // 2
- [ 0x70 ] = KEY_KP3, // 3
- [ 0x10 ] = KEY_L, // Live
-
- [ 0x48 ] = KEY_KP4, // 4
- [ 0x28 ] = KEY_KP5, // 5
- [ 0x68 ] = KEY_KP6, // 6
- [ 0x08 ] = KEY_T, // Time Shift
-
- [ 0x58 ] = KEY_KP7, // 7
- [ 0x38 ] = KEY_KP8, // 8
- [ 0x78 ] = KEY_KP9, // 9
- [ 0x18 ] = KEY_PLAYPAUSE, // Play
-
- [ 0x44 ] = KEY_KP0, // 10
- [ 0x24 ] = KEY_ENTER, // 11
- [ 0x64 ] = KEY_ESC, // 12
- [ 0x04 ] = KEY_M, // Multi
-
- [ 0x54 ] = KEY_VIDEO, // VIDEO
- [ 0x34 ] = KEY_CHANNELUP, // channel +
- [ 0x74 ] = KEY_VOLUMEUP, // volume +
- [ 0x14 ] = KEY_MUTE, // Mute
-
- [ 0x4c ] = KEY_S, // SVIDEO
- [ 0x2c ] = KEY_CHANNELDOWN, // channel -
- [ 0x6c ] = KEY_VOLUMEDOWN, // volume -
- [ 0x0c ] = KEY_ZOOM, // Zoom
-
- [ 0x5c ] = KEY_PAUSE, // pause
- [ 0x3c ] = KEY_C, // || (red)
- [ 0x7c ] = KEY_RECORD, // recording
- [ 0x1c ] = KEY_STOP, // stop
-
- [ 0x41 ] = KEY_REWIND, // backward <<
- [ 0x21 ] = KEY_PLAY, // play
- [ 0x61 ] = KEY_FASTFORWARD, // forward >>
- [ 0x01 ] = KEY_NEXT, // skip >|
-};
+#include <media/ir-common.h>
/* ---------------------------------------------------------------------- */
struct cx88_IR {
- struct cx88_core *core;
- struct input_dev input;
- struct ir_input_state ir;
- char name[32];
- char phys[32];
+ struct cx88_core *core;
+ struct input_dev *input;
+ struct ir_input_state ir;
+ char name[32];
+ char phys[32];
/* sample from gpio pin 16 */
- int sampling;
- u32 samples[16];
- int scount;
- unsigned long release;
+ u32 sampling;
+ u32 samples[16];
+ int scount;
+ unsigned long release;
/* poll external decoder */
- int polling;
- struct work_struct work;
- struct timer_list timer;
- u32 gpio_addr;
- u32 last_gpio;
- u32 mask_keycode;
- u32 mask_keydown;
- u32 mask_keyup;
+ int polling;
+ struct work_struct work;
+ struct timer_list timer;
+ u32 gpio_addr;
+ u32 last_gpio;
+ u32 mask_keycode;
+ u32 mask_keydown;
+ u32 mask_keyup;
};
static int ir_debug = 0;
-module_param(ir_debug, int, 0644); /* debug level [IR] */
+module_param(ir_debug, int, 0644); /* debug level [IR] */
MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
#define ir_dprintk(fmt, arg...) if (ir_debug) \
- printk(KERN_DEBUG "%s IR: " fmt , ir->core->name, ## arg)
+ printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)
/* ---------------------------------------------------------------------- */
static void cx88_ir_handle_key(struct cx88_IR *ir)
{
struct cx88_core *core = ir->core;
- u32 gpio, data;
+ u32 gpio, data, auxgpio;
/* read gpio value */
gpio = cx_read(ir->gpio_addr);
+ if (core->board == CX88_BOARD_NPGTECH_REALTV_TOP10FM) {
+ /* This board apparently uses a combination of 2 GPIO
+ to represent the keys. Additionally, the second GPIO
+ can be used for parity.
+
+ Example:
+
+ for key "5"
+ gpio = 0x758, auxgpio = 0xe5 or 0xf5
+ for key "Power"
+ gpio = 0x758, auxgpio = 0xed or 0xfd
+ */
+
+ auxgpio = cx_read(MO_GP1_IO);
+ /* Take out the parity part */
+ gpio=(gpio & 0x7fd) + (auxgpio & 0xef);
+ } else
+ auxgpio = gpio;
+
if (ir->polling) {
- if (ir->last_gpio == gpio)
+ if (ir->last_gpio == auxgpio)
return;
- ir->last_gpio = gpio;
+ ir->last_gpio = auxgpio;
}
/* extract data */
data = ir_extract_bits(gpio, ir->mask_keycode);
ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n",
- gpio, data,
- ir->polling ? "poll" : "irq",
- (gpio & ir->mask_keydown) ? " down" : "",
- (gpio & ir->mask_keyup) ? " up" : "");
+ gpio, data,
+ ir->polling ? "poll" : "irq",
+ (gpio & ir->mask_keydown) ? " down" : "",
+ (gpio & ir->mask_keyup) ? " up" : "");
+
+ if (ir->core->board == CX88_BOARD_NORWOOD_MICRO) {
+ u32 gpio_key = cx_read(MO_GP0_IO);
+
+ data = (data << 4) | ((gpio_key & 0xf0) >> 4);
+
+ ir_input_keydown(ir->input, &ir->ir, data, data);
+ ir_input_nokey(ir->input, &ir->ir);
- if (ir->mask_keydown) {
+ } else if (ir->mask_keydown) {
/* bit set on keydown */
if (gpio & ir->mask_keydown) {
- ir_input_keydown(&ir->input,&ir->ir,data,data);
+ ir_input_keydown(ir->input, &ir->ir, data, data);
} else {
- ir_input_nokey(&ir->input,&ir->ir);
+ ir_input_nokey(ir->input, &ir->ir);
}
} else if (ir->mask_keyup) {
/* bit cleared on keydown */
if (0 == (gpio & ir->mask_keyup)) {
- ir_input_keydown(&ir->input,&ir->ir,data,data);
+ ir_input_keydown(ir->input, &ir->ir, data, data);
} else {
- ir_input_nokey(&ir->input,&ir->ir);
+ ir_input_nokey(ir->input, &ir->ir);
}
} else {
/* can't distinguish keydown/up :-/ */
- ir_input_keydown(&ir->input,&ir->ir,data,data);
- ir_input_nokey(&ir->input,&ir->ir);
+ ir_input_keydown(ir->input, &ir->ir, data, data);
+ ir_input_nokey(ir->input, &ir->ir);
}
}
static void ir_timer(unsigned long data)
{
- struct cx88_IR *ir = (struct cx88_IR*)data;
+ struct cx88_IR *ir = (struct cx88_IR *)data;
schedule_work(&ir->work);
}
-static void cx88_ir_work(void *data)
+static void cx88_ir_work(struct work_struct *work)
{
- struct cx88_IR *ir = data;
+ struct cx88_IR *ir = container_of(work, struct cx88_IR, work);
unsigned long timeout;
cx88_ir_handle_key(ir);
mod_timer(&ir->timer, timeout);
}
+static void cx88_ir_start(struct cx88_core *core, struct cx88_IR *ir)
+{
+ if (ir->polling) {
+ INIT_WORK(&ir->work, cx88_ir_work);
+ init_timer(&ir->timer);
+ ir->timer.function = ir_timer;
+ ir->timer.data = (unsigned long)ir;
+ schedule_work(&ir->work);
+ }
+ if (ir->sampling) {
+ core->pci_irqmask |= (1 << 18); /* IR_SMP_INT */
+ cx_write(MO_DDS_IO, 0xa80a80); /* 4 kHz sample rate */
+ cx_write(MO_DDSCFG_IO, 0x5); /* enable */
+ }
+}
+
+static void cx88_ir_stop(struct cx88_core *core, struct cx88_IR *ir)
+{
+ if (ir->sampling) {
+ cx_write(MO_DDSCFG_IO, 0x0);
+ core->pci_irqmask &= ~(1 << 18);
+ }
+
+ if (ir->polling) {
+ del_timer_sync(&ir->timer);
+ flush_scheduled_work();
+ }
+}
+
/* ---------------------------------------------------------------------- */
int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
{
struct cx88_IR *ir;
+ struct input_dev *input_dev;
IR_KEYTAB_TYPE *ir_codes = NULL;
int ir_type = IR_TYPE_OTHER;
+ int err = -ENOMEM;
- ir = kmalloc(sizeof(*ir),GFP_KERNEL);
- if (NULL == ir)
- return -ENOMEM;
- memset(ir,0,sizeof(*ir));
+ ir = kzalloc(sizeof(*ir), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!ir || !input_dev)
+ goto err_out_free;
+
+ ir->input = input_dev;
/* detect & configure */
switch (core->board) {
case CX88_BOARD_DNTV_LIVE_DVB_T:
- ir_codes = ir_codes_dntv_live_dvb_t;
- ir->gpio_addr = MO_GP1_IO;
+ case CX88_BOARD_KWORLD_DVB_T:
+ case CX88_BOARD_KWORLD_DVB_T_CX22702:
+ ir_codes = ir_codes_dntv_live_dvb_t;
+ ir->gpio_addr = MO_GP1_IO;
ir->mask_keycode = 0x1f;
- ir->mask_keyup = 0x60;
- ir->polling = 50; // ms
+ ir->mask_keyup = 0x60;
+ ir->polling = 50; /* ms */
+ break;
+ case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
+ ir_codes = ir_codes_cinergy_1400;
+ ir_type = IR_TYPE_PD;
+ ir->sampling = 0xeb04; /* address */
break;
case CX88_BOARD_HAUPPAUGE:
case CX88_BOARD_HAUPPAUGE_DVB_T1:
- ir_codes = ir_codes_hauppauge_new;
- ir_type = IR_TYPE_RC5;
- ir->sampling = 1;
+ case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
+ case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
+ case CX88_BOARD_HAUPPAUGE_HVR1100:
+ case CX88_BOARD_HAUPPAUGE_HVR1300:
+ case CX88_BOARD_HAUPPAUGE_HVR3000:
+ ir_codes = ir_codes_hauppauge_new;
+ ir_type = IR_TYPE_RC5;
+ ir->sampling = 1;
+ break;
+ case CX88_BOARD_WINFAST_DTV2000H:
+ ir_codes = ir_codes_winfast;
+ ir->gpio_addr = MO_GP0_IO;
+ ir->mask_keycode = 0x8f8;
+ ir->mask_keyup = 0x100;
+ ir->polling = 50; /* ms */
break;
case CX88_BOARD_WINFAST2000XP_EXPERT:
- ir_codes = ir_codes_winfast;
- ir->gpio_addr = MO_GP0_IO;
+ ir_codes = ir_codes_winfast;
+ ir->gpio_addr = MO_GP0_IO;
ir->mask_keycode = 0x8f8;
- ir->mask_keyup = 0x100;
- ir->polling = 1; // ms
+ ir->mask_keyup = 0x100;
+ ir->polling = 1; /* ms */
break;
case CX88_BOARD_IODATA_GVBCTV7E:
- ir_codes = ir_codes_iodata_bctv7e;
- ir->gpio_addr = MO_GP0_IO;
+ ir_codes = ir_codes_iodata_bctv7e;
+ ir->gpio_addr = MO_GP0_IO;
ir->mask_keycode = 0xfd;
ir->mask_keydown = 0x02;
- ir->polling = 5; // ms
+ ir->polling = 5; /* ms */
+ break;
+ case CX88_BOARD_PROLINK_PLAYTVPVR:
+ case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
+ ir_codes = ir_codes_pixelview;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keycode = 0x1f;
+ ir->mask_keyup = 0x80;
+ ir->polling = 1; /* ms */
+ break;
+ case CX88_BOARD_KWORLD_LTV883:
+ ir_codes = ir_codes_pixelview;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keycode = 0x1f;
+ ir->mask_keyup = 0x60;
+ ir->polling = 1; /* ms */
+ break;
+ case CX88_BOARD_ADSTECH_DVB_T_PCI:
+ ir_codes = ir_codes_adstech_dvb_t_pci;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keycode = 0xbf;
+ ir->mask_keyup = 0x40;
+ ir->polling = 50; /* ms */
+ break;
+ case CX88_BOARD_MSI_TVANYWHERE_MASTER:
+ ir_codes = ir_codes_msi_tvanywhere;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keycode = 0x1f;
+ ir->mask_keyup = 0x40;
+ ir->polling = 1; /* ms */
+ break;
+ case CX88_BOARD_AVERTV_303:
+ case CX88_BOARD_AVERTV_STUDIO_303:
+ ir_codes = ir_codes_avertv_303;
+ ir->gpio_addr = MO_GP2_IO;
+ ir->mask_keycode = 0xfb;
+ ir->mask_keydown = 0x02;
+ ir->polling = 50; /* ms */
+ break;
+ case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
+ ir_codes = ir_codes_dntv_live_dvbt_pro;
+ ir_type = IR_TYPE_PD;
+ ir->sampling = 0xff00; /* address */
+ break;
+ case CX88_BOARD_NORWOOD_MICRO:
+ ir_codes = ir_codes_norwood;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keycode = 0x0e;
+ ir->mask_keyup = 0x80;
+ ir->polling = 50; /* ms */
+ break;
+ case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
+ ir_codes = ir_codes_npgtech;
+ ir->gpio_addr = MO_GP0_IO;
+ ir->mask_keycode = 0xfa;
+ ir->polling = 50; /* ms */
break;
}
+
if (NULL == ir_codes) {
- kfree(ir);
- return -ENODEV;
+ err = -ENODEV;
+ goto err_out_free;
}
/* init input device */
snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)",
cx88_boards[core->board].name);
- snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
- pci_name(pci));
-
- ir_input_init(&ir->input, &ir->ir, ir_type, ir_codes);
- ir->input.name = ir->name;
- ir->input.phys = ir->phys;
- ir->input.id.bustype = BUS_PCI;
- ir->input.id.version = 1;
+ snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
+
+ ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
+ input_dev->name = ir->name;
+ input_dev->phys = ir->phys;
+ input_dev->id.bustype = BUS_PCI;
+ input_dev->id.version = 1;
if (pci->subsystem_vendor) {
- ir->input.id.vendor = pci->subsystem_vendor;
- ir->input.id.product = pci->subsystem_device;
+ input_dev->id.vendor = pci->subsystem_vendor;
+ input_dev->id.product = pci->subsystem_device;
} else {
- ir->input.id.vendor = pci->vendor;
- ir->input.id.product = pci->device;
+ input_dev->id.vendor = pci->vendor;
+ input_dev->id.product = pci->device;
}
-
+ input_dev->cdev.dev = &pci->dev;
/* record handles to ourself */
ir->core = core;
core->ir = ir;
- if (ir->polling) {
- INIT_WORK(&ir->work, cx88_ir_work, ir);
- init_timer(&ir->timer);
- ir->timer.function = ir_timer;
- ir->timer.data = (unsigned long)ir;
- schedule_work(&ir->work);
- }
- if (ir->sampling) {
- core->pci_irqmask |= (1<<18); // IR_SMP_INT
- cx_write(MO_DDS_IO, 0xa80a80); // 4 kHz sample rate
- cx_write(MO_DDSCFG_IO, 0x5); // enable
- }
+ cx88_ir_start(core, ir);
/* all done */
- input_register_device(&ir->input);
- printk("%s: registered IR remote control\n", core->name);
+ err = input_register_device(ir->input);
+ if (err)
+ goto err_out_stop;
return 0;
+
+ err_out_stop:
+ cx88_ir_stop(core, ir);
+ core->ir = NULL;
+ err_out_free:
+ input_free_device(input_dev);
+ kfree(ir);
+ return err;
}
int cx88_ir_fini(struct cx88_core *core)
if (NULL == ir)
return 0;
- if (ir->polling) {
- del_timer(&ir->timer);
- flush_scheduled_work();
- }
-
- input_unregister_device(&ir->input);
+ cx88_ir_stop(core, ir);
+ input_unregister_device(ir->input);
kfree(ir);
/* done */
void cx88_ir_irq(struct cx88_core *core)
{
struct cx88_IR *ir = core->ir;
- u32 samples,rc5;
+ u32 samples, ircode;
int i;
if (NULL == ir)
return;
samples = cx_read(MO_SAMPLE_IO);
- if (0 != samples && 0xffffffff != samples) {
+ if (0 != samples && 0xffffffff != samples) {
/* record sample data */
if (ir->scount < ARRAY_SIZE(ir->samples))
ir->samples[ir->scount++] = samples;
}
if (!ir->scount) {
/* nothing to sample */
- if (ir->ir.keypressed && time_after(jiffies,ir->release))
- ir_input_nokey(&ir->input,&ir->ir);
+ if (ir->ir.keypressed && time_after(jiffies, ir->release))
+ ir_input_nokey(ir->input, &ir->ir);
return;
}
for (i = 0; i < ir->scount; i++)
ir->samples[i] = ~ir->samples[i];
if (ir_debug)
- ir_dump_samples(ir->samples,ir->scount);
+ ir_dump_samples(ir->samples, ir->scount);
/* decode it */
switch (core->board) {
+ case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
+ case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
+ ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4);
+
+ if (ircode == 0xffffffff) { /* decoding error */
+ ir_dprintk("pulse distance decoding error\n");
+ break;
+ }
+
+ ir_dprintk("pulse distance decoded: %x\n", ircode);
+
+ if (ircode == 0) { /* key still pressed */
+ ir_dprintk("pulse distance decoded repeat code\n");
+ ir->release = jiffies + msecs_to_jiffies(120);
+ break;
+ }
+
+ if ((ircode & 0xffff) != (ir->sampling & 0xffff)) { /* wrong address */
+ ir_dprintk("pulse distance decoded wrong address\n");
+ break;
+ }
+
+ if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */
+ ir_dprintk("pulse distance decoded wrong check sum\n");
+ break;
+ }
+
+ ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0x7f);
+
+ ir_input_keydown(ir->input, &ir->ir, (ircode >> 16) & 0x7f, (ircode >> 16) & 0xff);
+ ir->release = jiffies + msecs_to_jiffies(120);
+ break;
case CX88_BOARD_HAUPPAUGE:
case CX88_BOARD_HAUPPAUGE_DVB_T1:
- rc5 = ir_decode_biphase(ir->samples,ir->scount,5,7);
- ir_dprintk("biphase decoded: %x\n",rc5);
- if ((rc5 & 0xfffff000) != 0x3000)
+ case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
+ case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
+ case CX88_BOARD_HAUPPAUGE_HVR1100:
+ case CX88_BOARD_HAUPPAUGE_HVR1300:
+ case CX88_BOARD_HAUPPAUGE_HVR3000:
+ ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
+ ir_dprintk("biphase decoded: %x\n", ircode);
+ if ((ircode & 0xfffff000) != 0x3000)
break;
- ir_input_keydown(&ir->input, &ir->ir, rc5 & 0x3f, rc5);
+ ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f, ircode);
ir->release = jiffies + msecs_to_jiffies(120);
break;
}
MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
MODULE_LICENSE("GPL");
-
/*
* Local variables:
* c-basic-offset: 8