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path: root/drivers/media/pci/ttpci/av7110_ir.c
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Diffstat (limited to 'drivers/media/pci/ttpci/av7110_ir.c')
-rw-r--r--drivers/media/pci/ttpci/av7110_ir.c423
1 files changed, 100 insertions, 323 deletions
diff --git a/drivers/media/pci/ttpci/av7110_ir.c b/drivers/media/pci/ttpci/av7110_ir.c
index dfa18878e5f0..432789a3c312 100644
--- a/drivers/media/pci/ttpci/av7110_ir.c
+++ b/drivers/media/pci/ttpci/av7110_ir.c
@@ -4,379 +4,156 @@
*
* Copyright (C) 1999-2003 Holger Waechtler <holger@convergence.de>
* Copyright (C) 2003-2007 Oliver Endriss <o.endriss@gmx.de>
+ * Copyright (C) 2019 Sean Young <sean@mess.org>
*/
-
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/proc_fs.h>
#include <linux/kernel.h>
-#include <linux/bitops.h>
+#include <media/rc-core.h>
#include "av7110.h"
#include "av7110_hw.h"
-
-#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[AV_CNT];
-
-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,
- KEY_CHANNELUP, KEY_CHANNELDOWN, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, KEY_TEXT, 0, 0, KEY_TV, 0, 0, 0, 0, 0, KEY_SETUP, 0, 0,
- 0, 0, 0, KEY_SUBTITLE, 0, 0, KEY_LANGUAGE, 0,
- KEY_RADIO, 0, 0, 0, 0, KEY_EXIT, 0, 0,
- KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_OK, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RED, KEY_GREEN, KEY_YELLOW,
- KEY_BLUE, 0, 0, 0, 0, 0, 0, 0, KEY_MENU, KEY_LIST, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, KEY_UP, KEY_UP, KEY_DOWN, KEY_DOWN,
- 0, 0, 0, 0, KEY_EPG, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_VCR
-};
-
-
-/* key-up timer */
-static void av7110_emit_keyup(struct timer_list *t)
-{
- struct infrared *ir = from_timer(ir, t, keyup_timer);
-
- if (!ir || !ir->keypressed)
- return;
-
- input_report_key(ir->input_dev, ir->last_key, 0);
- input_sync(ir->input_dev);
- ir->keypressed = false;
-}
-
-
-/* tasklet */
-static void av7110_emit_key(unsigned long parm)
+/* interrupt handler */
+void av7110_ir_handler(struct av7110 *av7110, u32 ircom)
{
- struct infrared *ir = (struct infrared *) parm;
- u32 ircom = ir->ir_command;
- u8 data;
- u8 addr;
- u16 toggle;
- u16 keycode;
-
- /* extract device address and 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;
+ struct rc_dev *rcdev = av7110->ir.rcdev;
+ enum rc_proto proto;
+ u32 command, addr, scancode;
+ u32 toggle;
- case IR_RCMM: /* RCMM: ? bits device address, ? bits data */
- data = ircom & 0xff;
- addr = (ircom >> 8) & 0x1f;
- toggle = ircom & 0x8000;
- break;
-
- 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("%s invalid protocol %x\n", __func__, ir->protocol);
- return;
- }
-
- input_event(ir->input_dev, EV_MSC, MSC_RAW, (addr << 16) | data);
- input_event(ir->input_dev, EV_MSC, MSC_SCAN, data);
-
- keycode = ir->key_map[data];
-
- dprintk(16, "%s: code %08x -> addr %i data 0x%02x -> keycode %i\n",
- __func__, ircom, addr, data, keycode);
-
- /* check device address */
- if (!(ir->device_mask & (1 << addr)))
- return;
-
- if (!keycode) {
- printk ("%s: code %08x -> addr %i data 0x%02x -> unknown key!\n",
- __func__, ircom, addr, data);
- return;
- }
-
- if (ir->keypressed &&
- (ir->last_key != keycode || toggle != ir->last_toggle))
- 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);
-
- ir->keypressed = true;
- ir->last_key = keycode;
- ir->last_toggle = toggle;
-
- mod_timer(&ir->keyup_timer, jiffies + UP_TIMEOUT);
-}
-
-
-/* register with input layer */
-static void input_register_keys(struct infrared *ir)
-{
- int i;
+ dprintk(4, "ir command = %08x\n", ircom);
- set_bit(EV_KEY, ir->input_dev->evbit);
- set_bit(EV_REP, ir->input_dev->evbit);
- set_bit(EV_MSC, ir->input_dev->evbit);
+ if (rcdev) {
+ switch (av7110->ir.ir_config) {
+ case IR_RC5: /* RC5: 5 bits device address, 6 bits command */
+ command = ircom & 0x3f;
+ addr = (ircom >> 6) & 0x1f;
+ scancode = RC_SCANCODE_RC5(addr, command);
+ toggle = ircom & 0x0800;
+ proto = RC_PROTO_RC5;
+ break;
- set_bit(MSC_RAW, ir->input_dev->mscbit);
- set_bit(MSC_SCAN, ir->input_dev->mscbit);
+ case IR_RCMM: /* RCMM: ? bits device address, ? bits command */
+ command = ircom & 0xff;
+ addr = (ircom >> 8) & 0x1f;
+ scancode = ircom;
+ toggle = ircom & 0x8000;
+ proto = RC_PROTO_UNKNOWN;
+ break;
- memset(ir->input_dev->keybit, 0, sizeof(ir->input_dev->keybit));
+ case IR_RC5_EXT:
+ /*
+ * extended RC5: 5 bits device address, 7 bits command
+ *
+ * Extended RC5 uses only one start bit. The second
+ * start bit is re-assigned bit 6 of the command bit.
+ */
+ command = ircom & 0x3f;
+ addr = (ircom >> 6) & 0x1f;
+ if (!(ircom & 0x1000))
+ command |= 0x40;
+ scancode = RC_SCANCODE_RC5(addr, command);
+ toggle = ircom & 0x0800;
+ proto = RC_PROTO_RC5;
+ break;
+ default:
+ dprintk(2, "unknown ir config %d\n",
+ av7110->ir.ir_config);
+ return;
+ }
- 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);
+ rc_keydown(rcdev, proto, scancode, toggle != 0);
}
-
- 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);
}
-/* check for configuration changes */
-int av7110_check_ir_config(struct av7110 *av7110, int force)
+int av7110_set_ir_config(struct av7110 *av7110)
{
- int i;
- int modified = force;
- int ret = -ENODEV;
-
- 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;
+ dprintk(4, "ir config = %08x\n", av7110->ir.ir_config);
- /* address */
- if (av7110->ir.device_mask != ir_device_mask[i])
- av7110->ir.device_mask = ir_device_mask[i];
- }
-
- return ret;
+ return av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, SetIR, 1,
+ av7110->ir.ir_config);
}
-
-/* /proc/av7110_ir interface */
-static ssize_t av7110_ir_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *pos)
+static int change_protocol(struct rc_dev *rcdev, u64 *rc_type)
{
- char *page;
+ struct av7110 *av7110 = rcdev->priv;
u32 ir_config;
- int size = sizeof ir_config + sizeof av_list[0]->ir.key_map;
- int i;
- if (count < size)
+ if (*rc_type & RC_PROTO_BIT_UNKNOWN) {
+ ir_config = IR_RCMM;
+ *rc_type = RC_PROTO_UNKNOWN;
+ } else if (*rc_type & RC_PROTO_BIT_RC5) {
+ if (FW_VERSION(av7110->arm_app) >= 0x2620)
+ ir_config = IR_RC5_EXT;
+ else
+ ir_config = IR_RC5;
+ *rc_type = RC_PROTO_BIT_RC5;
+ } else {
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;
-}
+ if (ir_config == av7110->ir.ir_config)
+ return 0;
-static const struct file_operations av7110_ir_proc_fops = {
- .owner = THIS_MODULE,
- .write = av7110_ir_proc_write,
- .llseek = noop_llseek,
-};
+ av7110->ir.ir_config = ir_config;
-/* 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);
+ return av7110_set_ir_config(av7110);
}
-
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;
+ struct rc_dev *rcdev;
+ struct pci_dev *pci;
+ int ret;
- 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)
+ rcdev = rc_allocate_device(RC_DRIVER_SCANCODE);
+ if (!rcdev)
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));
+ pci = 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;
+ snprintf(av7110->ir.input_phys, sizeof(av7110->ir.input_phys),
+ "pci-%s/ir0", pci_name(pci));
+
+ rcdev->device_name = av7110->card_name;
+ rcdev->driver_name = KBUILD_MODNAME;
+ rcdev->input_phys = av7110->ir.input_phys;
+ rcdev->input_id.bustype = BUS_PCI;
+ rcdev->input_id.version = 2;
+ if (pci->subsystem_vendor) {
+ rcdev->input_id.vendor = pci->subsystem_vendor;
+ rcdev->input_id.product = 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;
+ rcdev->input_id.vendor = pci->vendor;
+ rcdev->input_id.product = pci->device;
}
- /*
- * 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);
+ rcdev->dev.parent = &pci->dev;
+ rcdev->allowed_protocols = RC_PROTO_BIT_RC5 | RC_PROTO_BIT_UNKNOWN;
+ rcdev->change_protocol = change_protocol;
+ rcdev->map_name = RC_MAP_HAUPPAUGE;
+ rcdev->priv = av7110;
- 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));
- }
+ av7110->ir.rcdev = rcdev;
+ av7110->ir.ir_config = IR_RC5;
+ av7110_set_ir_config(av7110);
- tasklet_init(&av7110->ir.ir_tasklet, av7110_emit_key, (unsigned long) &av7110->ir);
- av7110->ir.ir_handler = ir_handler;
+ ret = rc_register_device(rcdev);
+ if (ret) {
+ av7110->ir.rcdev = NULL;
+ rc_free_device(rcdev);
+ }
- return 0;
+ return ret;
}
-
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>");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.