+/*
+ * Driver for the remote control of SAA7146 based AV7110 cards
+ *
+ * Copyright (C) 1999-2003 Holger Waechtler <holger@convergence.de>
+ * Copyright (C) 2003-2007 Oliver Endriss <o.endriss@gmx.de>
+ *
+ * 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 the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ *
+ */
+
+
#include <linux/types.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <linux/input.h>
#include <linux/proc_fs.h>
#include <linux/kernel.h>
#include <asm/bitops.h>
#include "av7110.h"
#include "av7110_hw.h"
-#define UP_TIMEOUT (HZ*7/25)
-/* enable ir debugging by or'ing debug with 16 */
+#define AV_CNT 4
+
+#define IR_RC5 0
+#define IR_RCMM 1
+#define IR_RC5_EXT 2 /* internal only */
+
+#define IR_ALL 0xffffffff
+
+#define UP_TIMEOUT (HZ*7/25)
+
+
+/* Note: enable ir debugging by or'ing debug with 16 */
+
+static int ir_protocol[AV_CNT] = { IR_RCMM, IR_RCMM, IR_RCMM, IR_RCMM};
+module_param_array(ir_protocol, int, NULL, 0644);
+MODULE_PARM_DESC(ir_protocol, "Infrared protocol: 0 RC5, 1 RCMM (default)");
+
+static int ir_inversion[AV_CNT];
+module_param_array(ir_inversion, int, NULL, 0644);
+MODULE_PARM_DESC(ir_inversion, "Inversion of infrared signal: 0 not inverted (default), 1 inverted");
+
+static uint ir_device_mask[AV_CNT] = { IR_ALL, IR_ALL, IR_ALL, IR_ALL };
+module_param_array(ir_device_mask, uint, NULL, 0644);
+MODULE_PARM_DESC(ir_device_mask, "Bitmask of infrared devices: bit 0..31 = device 0..31 (default: all)");
-static int av_cnt;
-static struct av7110 *av_list[4];
-static struct input_dev *input_dev;
-static char input_phys[32];
-static u8 delay_timer_finished;
+static int av_cnt;
+static struct av7110 *av_list[AV_CNT];
-static u16 key_map [256] = {
+static u16 default_key_map [256] = {
KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7,
KEY_8, KEY_9, KEY_BACK, 0, KEY_POWER, KEY_MUTE, 0, KEY_INFO,
KEY_VOLUMEUP, KEY_VOLUMEDOWN, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
-static void av7110_emit_keyup(unsigned long data)
+/* key-up timer */
+static void av7110_emit_keyup(unsigned long parm)
{
- if (!data || !test_bit(data, input_dev->key))
+ struct infrared *ir = (struct infrared *) parm;
+
+ if (!ir || !test_bit(ir->last_key, ir->input_dev->key))
return;
- input_report_key(input_dev, data, 0);
- input_sync(input_dev);
+ input_report_key(ir->input_dev, ir->last_key, 0);
+ input_sync(ir->input_dev);
}
-static struct timer_list keyup_timer = { .function = av7110_emit_keyup };
-
-
+/* tasklet */
static void av7110_emit_key(unsigned long parm)
{
- struct av7110 *av7110 = (struct av7110 *) parm;
- u32 ir_config = av7110->ir_config;
- u32 ircom = av7110->ir_command;
+ struct infrared *ir = (struct infrared *) parm;
+ u32 ircom = ir->ir_command;
u8 data;
u8 addr;
- static u16 old_toggle = 0;
- u16 new_toggle;
+ u16 toggle;
u16 keycode;
/* extract device address and data */
- switch (ir_config & 0x0003) {
- case 0: /* RC5: 5 bits device address, 6 bits data */
+ switch (ir->protocol) {
+ case IR_RC5: /* RC5: 5 bits device address, 6 bits data */
data = ircom & 0x3f;
addr = (ircom >> 6) & 0x1f;
+ toggle = ircom & 0x0800;
break;
- case 1: /* RCMM: 8(?) bits device address, 8(?) bits data */
+ case IR_RCMM: /* RCMM: ? bits device address, ? bits data */
data = ircom & 0xff;
- addr = (ircom >> 8) & 0xff;
+ addr = (ircom >> 8) & 0x1f;
+ toggle = ircom & 0x8000;
break;
- case 2: /* extended RC5: 5 bits device address, 7 bits data */
+ case IR_RC5_EXT: /* extended RC5: 5 bits device address, 7 bits data */
data = ircom & 0x3f;
addr = (ircom >> 6) & 0x1f;
/* invert 7th data bit for backward compatibility with RC5 keymaps */
if (!(ircom & 0x1000))
data |= 0x40;
+ toggle = ircom & 0x0800;
break;
default:
- printk("invalid ir_config %x\n", ir_config);
+ printk("%s invalid protocol %x\n", __FUNCTION__, ir->protocol);
return;
}
- keycode = key_map[data];
+ keycode = ir->key_map[data];
- dprintk(16, "code %08x -> addr %i data 0x%02x -> keycode %i\n",
- ircom, addr, data, keycode);
+ dprintk(16, "%s: code %08x -> addr %i data 0x%02x -> keycode %i\n",
+ __FUNCTION__, ircom, addr, data, keycode);
- /* check device address (if selected) */
- if (ir_config & 0x4000)
- if (addr != ((ir_config >> 16) & 0xff))
- return;
+ /* check device address */
+ if (!(ir->device_mask & (1 << addr)))
+ return;
if (!keycode) {
- printk ("%s: unknown key 0x%02x!!\n", __FUNCTION__, data);
+ printk ("%s: code %08x -> addr %i data 0x%02x -> unknown key!\n",
+ __FUNCTION__, ircom, addr, data);
return;
}
- if ((ir_config & 0x0003) == 1)
- new_toggle = 0; /* RCMM */
- else
- new_toggle = (ircom & 0x800); /* RC5, extended RC5 */
-
- if (timer_pending(&keyup_timer)) {
- del_timer(&keyup_timer);
- if (keyup_timer.data != keycode || new_toggle != old_toggle) {
- delay_timer_finished = 0;
- input_event(input_dev, EV_KEY, keyup_timer.data, 0);
- input_event(input_dev, EV_KEY, keycode, 1);
- input_sync(input_dev);
- } else if (delay_timer_finished) {
- input_event(input_dev, EV_KEY, keycode, 2);
- input_sync(input_dev);
+ if (timer_pending(&ir->keyup_timer)) {
+ del_timer(&ir->keyup_timer);
+ if (ir->last_key != keycode || toggle != ir->last_toggle) {
+ ir->delay_timer_finished = 0;
+ input_event(ir->input_dev, EV_KEY, ir->last_key, 0);
+ input_event(ir->input_dev, EV_KEY, keycode, 1);
+ input_sync(ir->input_dev);
+ } else if (ir->delay_timer_finished) {
+ input_event(ir->input_dev, EV_KEY, keycode, 2);
+ input_sync(ir->input_dev);
}
} else {
- delay_timer_finished = 0;
- input_event(input_dev, EV_KEY, keycode, 1);
- input_sync(input_dev);
+ ir->delay_timer_finished = 0;
+ input_event(ir->input_dev, EV_KEY, keycode, 1);
+ input_sync(ir->input_dev);
}
- keyup_timer.expires = jiffies + UP_TIMEOUT;
- keyup_timer.data = keycode;
+ ir->last_key = keycode;
+ ir->last_toggle = toggle;
- add_timer(&keyup_timer);
+ ir->keyup_timer.expires = jiffies + UP_TIMEOUT;
+ add_timer(&ir->keyup_timer);
- old_toggle = new_toggle;
}
-static void input_register_keys(void)
+
+/* register with input layer */
+static void input_register_keys(struct infrared *ir)
{
int i;
- memset(input_dev->keybit, 0, sizeof(input_dev->keybit));
+ set_bit(EV_KEY, ir->input_dev->evbit);
+ set_bit(EV_REP, ir->input_dev->evbit);
- for (i = 0; i < ARRAY_SIZE(key_map); i++) {
- if (key_map[i] > KEY_MAX)
- key_map[i] = 0;
- else if (key_map[i] > KEY_RESERVED)
- set_bit(key_map[i], input_dev->keybit);
+ memset(ir->input_dev->keybit, 0, sizeof(ir->input_dev->keybit));
+
+ for (i = 0; i < ARRAY_SIZE(ir->key_map); i++) {
+ if (ir->key_map[i] > KEY_MAX)
+ ir->key_map[i] = 0;
+ else if (ir->key_map[i] > KEY_RESERVED)
+ set_bit(ir->key_map[i], ir->input_dev->keybit);
}
+
+ ir->input_dev->keycode = ir->key_map;
+ ir->input_dev->keycodesize = sizeof(ir->key_map[0]);
+ ir->input_dev->keycodemax = ARRAY_SIZE(ir->key_map);
}
-static void input_repeat_key(unsigned long data)
+/* called by the input driver after rep[REP_DELAY] ms */
+static void input_repeat_key(unsigned long parm)
{
- /* called by the input driver after rep[REP_DELAY] ms */
- delay_timer_finished = 1;
+ struct infrared *ir = (struct infrared *) parm;
+
+ ir->delay_timer_finished = 1;
}
-static int av7110_setup_irc_config(struct av7110 *av7110, u32 ir_config)
+/* check for configuration changes */
+int av7110_check_ir_config(struct av7110 *av7110, int force)
{
- int ret = 0;
+ int i;
+ int modified = force;
+ int ret = -ENODEV;
- dprintk(4, "%p\n", av7110);
- if (av7110) {
- ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, SetIR, 1, ir_config);
- av7110->ir_config = ir_config;
+ for (i = 0; i < av_cnt; i++)
+ if (av7110 == av_list[i])
+ break;
+
+ if (i < av_cnt && av7110) {
+ if ((av7110->ir.protocol & 1) != ir_protocol[i] ||
+ av7110->ir.inversion != ir_inversion[i])
+ modified = true;
+
+ if (modified) {
+ /* protocol */
+ if (ir_protocol[i]) {
+ ir_protocol[i] = 1;
+ av7110->ir.protocol = IR_RCMM;
+ av7110->ir.ir_config = 0x0001;
+ } else if (FW_VERSION(av7110->arm_app) >= 0x2620) {
+ av7110->ir.protocol = IR_RC5_EXT;
+ av7110->ir.ir_config = 0x0002;
+ } else {
+ av7110->ir.protocol = IR_RC5;
+ av7110->ir.ir_config = 0x0000;
+ }
+ /* inversion */
+ if (ir_inversion[i]) {
+ ir_inversion[i] = 1;
+ av7110->ir.ir_config |= 0x8000;
+ }
+ av7110->ir.inversion = ir_inversion[i];
+ /* update ARM */
+ ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, SetIR, 1,
+ av7110->ir.ir_config);
+ } else
+ ret = 0;
+
+ /* address */
+ if (av7110->ir.device_mask != ir_device_mask[i])
+ av7110->ir.device_mask = ir_device_mask[i];
}
+
return ret;
}
+/* /proc/av7110_ir interface */
static int av7110_ir_write_proc(struct file *file, const char __user *buffer,
unsigned long count, void *data)
{
char *page;
- int size = 4 + 256 * sizeof(u16);
u32 ir_config;
+ int size = sizeof ir_config + sizeof av_list[0]->ir.key_map;
int i;
if (count < size)
return -EFAULT;
}
- memcpy(&ir_config, page, 4);
- memcpy(&key_map, page + 4, 256 * sizeof(u16));
+ 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);
- if (FW_VERSION(av_list[0]->arm_app) >= 0x2620 && !(ir_config & 0x0001))
- ir_config |= 0x0002; /* enable extended RC5 */
- for (i = 0; i < av_cnt; i++)
- av7110_setup_irc_config(av_list[i], ir_config);
- input_register_keys();
return count;
}
+/* interrupt handler */
static void ir_handler(struct av7110 *av7110, u32 ircom)
{
- dprintk(4, "ircommand = %08x\n", ircom);
- av7110->ir_command = ircom;
- tasklet_schedule(&av7110->ir_tasklet);
+ dprintk(4, "ir command = %08x\n", ircom);
+ av7110->ir.ir_command = ircom;
+ tasklet_schedule(&av7110->ir.ir_tasklet);
}
int __devinit 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;
- av7110_setup_irc_config(av7110, 0x0001);
+ av7110_check_ir_config(av7110, true);
av_list[av_cnt++] = av7110;
- if (av_cnt == 1) {
- init_timer(&keyup_timer);
- keyup_timer.data = 0;
-
- input_dev = input_allocate_device();
- if (!input_dev)
- return -ENOMEM;
-
- snprintf(input_phys, sizeof(input_phys),
- "pci-%s/ir0", pci_name(av7110->dev->pci));
-
- input_dev->name = "DVB on-card IR receiver";
-
- input_dev->phys = input_phys;
- input_dev->id.bustype = BUS_PCI;
- input_dev->id.version = 1;
- 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->cdev.dev = &av7110->dev->pci->dev;
- set_bit(EV_KEY, input_dev->evbit);
- set_bit(EV_REP, input_dev->evbit);
- input_register_keys();
- err = input_register_device(input_dev);
- if (err) {
- input_free_device(input_dev);
- return err;
- }
- input_dev->timer.function = input_repeat_key;
+ init_timer(&av7110->ir.keyup_timer);
+ av7110->ir.keyup_timer.function = av7110_emit_keyup;
+ av7110->ir.keyup_timer.data = (unsigned long) &av7110->ir;
+
+ 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->cdev.dev = &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_dev->timer.function = input_repeat_key;
+ input_dev->timer.data = (unsigned long) &av7110->ir;
+
+ if (av_cnt == 1) {
e = create_proc_entry("av7110_ir", S_IFREG | S_IRUGO | S_IWUSR, NULL);
if (e) {
e->write_proc = av7110_ir_write_proc;
}
}
- tasklet_init(&av7110->ir_tasklet, av7110_emit_key, (unsigned long) av7110);
- av7110->ir_handler = ir_handler;
+ tasklet_init(&av7110->ir.ir_tasklet, av7110_emit_key, (unsigned long) &av7110->ir);
+ av7110->ir.ir_handler = ir_handler;
return 0;
}
if (av_cnt == 0)
return;
- av7110->ir_handler = NULL;
- tasklet_kill(&av7110->ir_tasklet);
+ 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];
break;
}
- if (av_cnt == 1) {
- del_timer_sync(&keyup_timer);
+ if (av_cnt == 1)
remove_proc_entry("av7110_ir", NULL);
- input_unregister_device(input_dev);
- }
+
+ input_unregister_device(av7110->ir.input_dev);
av_cnt--;
}
-//MODULE_AUTHOR("Holger Waechtler <holger@convergence.de>");
+//MODULE_AUTHOR("Holger Waechtler <holger@convergence.de>, Oliver Endriss <o.endriss@gmx.de>");
//MODULE_LICENSE("GPL");
projects / GitHub / LineageOS / android_kernel_samsung_universal7580.git / commitdiff