From 649216704aaa1148c638346ec4c0dc71b164f521 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Fri, 25 May 2012 10:19:03 -0300 Subject: [PATCH] [media] dvb_usb_v2: remote controller * remove old legacy code totally * move default RC keymap definition the the (struct dvb_usb_driver_info) Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dvb_usb.h | 60 +---- drivers/media/dvb/dvb-usb/dvb_usb_init.c | 1 + drivers/media/dvb/dvb-usb/dvb_usb_remote.c | 278 ++------------------- 3 files changed, 22 insertions(+), 317 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/dvb_usb.h b/drivers/media/dvb/dvb-usb/dvb_usb.h index 8ddae58e8e72..974337ddc5c4 100644 --- a/drivers/media/dvb/dvb-usb/dvb_usb.h +++ b/drivers/media/dvb/dvb-usb/dvb_usb.h @@ -62,24 +62,10 @@ struct dvb_usb_driver_info { const char *name; + const char *rc_map; const struct dvb_usb_device_properties *props; }; -static inline u8 rc5_custom(struct rc_map_table *key) -{ - return (key->scancode >> 8) & 0xff; -} - -static inline u8 rc5_data(struct rc_map_table *key) -{ - return key->scancode & 0xff; -} - -static inline u16 rc5_scan(struct rc_map_table *key) -{ - return key->scancode & 0xffff; -} - struct dvb_usb_device; struct dvb_usb_adapter; struct usb_data_stream; @@ -160,25 +146,6 @@ struct dvb_usb_adapter_properties { struct dvb_usb_adapter_fe_properties fe[MAX_NO_OF_FE_PER_ADAP]; }; -/** - * struct dvb_rc_legacy - old properties of remote controller - * @rc_map_table: a hard-wired array of struct rc_map_table (NULL to disable - * remote control handling). - * @rc_map_size: number of items in @rc_map_table. - * @rc_query: called to query an event event. - * @rc_interval: time in ms between two queries. - */ -struct dvb_rc_legacy { -/* remote control properties */ -#define REMOTE_NO_KEY_PRESSED 0x00 -#define REMOTE_KEY_PRESSED 0x01 -#define REMOTE_KEY_REPEAT 0x02 - struct rc_map_table *rc_map_table; - int rc_map_size; - int (*rc_query) (struct dvb_usb_device *, u32 *, int *); - int rc_interval; -}; - /** * struct dvb_rc properties of remote controller, using rc-core * @rc_codes: name of rc codes table @@ -202,17 +169,6 @@ struct dvb_rc { bool bulk_mode; /* uses bulk mode */ }; -/** - * enum dvb_usb_mode - Specifies if it is using a legacy driver or a new one - * based on rc-core - * This is initialized/used only inside dvb-usb-remote.c. - * It shouldn't be set by the drivers. - */ -enum dvb_usb_mode { - DVB_RC_LEGACY, - DVB_RC_CORE, -}; - /** * struct dvb_usb_device_properties - properties of a dvb-usb-device * @owner: owner of the dvb_adapter @@ -283,16 +239,12 @@ struct dvb_usb_device_properties { int (*identify_state) (struct dvb_usb_device *); int (*init) (struct dvb_usb_device *); - struct { - enum dvb_usb_mode mode; /* Drivers shouldn't touch on it */ - struct dvb_rc_legacy legacy; - struct dvb_rc core; - } rc; - struct i2c_algorithm *i2c_algo; int generic_bulk_ctrl_endpoint; int generic_bulk_ctrl_endpoint_response; + + struct dvb_rc rc; }; /** @@ -419,7 +371,7 @@ struct dvb_usb_adapter { struct dvb_usb_device { struct dvb_usb_device_properties props; const char *name; - + const char *rc_map; struct usb_device *udev; #define DVB_USB_STATE_INIT 0x000 @@ -460,10 +412,6 @@ extern int dvb_usbv2_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16, int); extern int dvb_usbv2_generic_write(struct dvb_usb_device *, u8 *, u16); -/* commonly used remote control parsing */ -extern int dvb_usbv2_nec_rc_key_to_event(struct dvb_usb_device *, u8[], u32 *, - int *); - /* commonly used firmware download types and function */ struct hexline { u8 len; diff --git a/drivers/media/dvb/dvb-usb/dvb_usb_init.c b/drivers/media/dvb/dvb-usb/dvb_usb_init.c index d694ea9ecc91..e1a3ed65cfb2 100644 --- a/drivers/media/dvb/dvb-usb/dvb_usb_init.c +++ b/drivers/media/dvb/dvb-usb/dvb_usb_init.c @@ -259,6 +259,7 @@ int dvb_usbv2_device_init(struct usb_interface *intf, d->udev = udev; d->name = driver_info->name; + d->rc_map = driver_info->rc_map; memcpy(&d->props, props, sizeof(struct dvb_usb_device_properties)); if (d->props.size_of_priv > 0) { diff --git a/drivers/media/dvb/dvb-usb/dvb_usb_remote.c b/drivers/media/dvb/dvb-usb/dvb_usb_remote.c index b445990644ae..b8d2cb193bb1 100644 --- a/drivers/media/dvb/dvb-usb/dvb_usb_remote.c +++ b/drivers/media/dvb/dvb-usb/dvb_usb_remote.c @@ -9,200 +9,6 @@ #include "dvb_usb_common.h" #include -static unsigned int -legacy_dvb_usb_get_keymap_index(const struct input_keymap_entry *ke, - struct rc_map_table *keymap, - unsigned int keymap_size) -{ - unsigned int index; - unsigned int scancode; - - if (ke->flags & INPUT_KEYMAP_BY_INDEX) { - index = ke->index; - } else { - if (input_scancode_to_scalar(ke, &scancode)) - return keymap_size; - - /* See if we can match the raw key code. */ - for (index = 0; index < keymap_size; index++) - if (keymap[index].scancode == scancode) - break; - - /* See if there is an unused hole in the map */ - if (index >= keymap_size) { - for (index = 0; index < keymap_size; index++) { - if (keymap[index].keycode == KEY_RESERVED || - keymap[index].keycode == KEY_UNKNOWN) { - break; - } - } - } - } - - return index; -} - -static int legacy_dvb_usb_getkeycode(struct input_dev *dev, - struct input_keymap_entry *ke) -{ - struct dvb_usb_device *d = input_get_drvdata(dev); - struct rc_map_table *keymap = d->props.rc.legacy.rc_map_table; - unsigned int keymap_size = d->props.rc.legacy.rc_map_size; - unsigned int index; - - index = legacy_dvb_usb_get_keymap_index(ke, keymap, keymap_size); - if (index >= keymap_size) - return -EINVAL; - - ke->keycode = keymap[index].keycode; - if (ke->keycode == KEY_UNKNOWN) - ke->keycode = KEY_RESERVED; - ke->len = sizeof(keymap[index].scancode); - memcpy(&ke->scancode, &keymap[index].scancode, ke->len); - ke->index = index; - - return 0; -} - -static int legacy_dvb_usb_setkeycode(struct input_dev *dev, - const struct input_keymap_entry *ke, - unsigned int *old_keycode) -{ - struct dvb_usb_device *d = input_get_drvdata(dev); - struct rc_map_table *keymap = d->props.rc.legacy.rc_map_table; - unsigned int keymap_size = d->props.rc.legacy.rc_map_size; - unsigned int index; - - index = legacy_dvb_usb_get_keymap_index(ke, keymap, keymap_size); - /* - * FIXME: Currently, it is not possible to increase the size of - * scancode table. For it to happen, one possibility - * would be to allocate a table with key_map_size + 1, - * copying data, appending the new key on it, and freeing - * the old one - or maybe just allocating some spare space - */ - if (index >= keymap_size) - return -EINVAL; - - *old_keycode = keymap[index].keycode; - keymap->keycode = ke->keycode; - __set_bit(ke->keycode, dev->keybit); - - if (*old_keycode != KEY_RESERVED) { - __clear_bit(*old_keycode, dev->keybit); - for (index = 0; index < keymap_size; index++) { - if (keymap[index].keycode == *old_keycode) { - __set_bit(*old_keycode, dev->keybit); - break; - } - } - } - - return 0; -} - -/* Remote-control poll function - called every dib->rc_query_interval ms to see - * whether the remote control has received anything. - * - * TODO: Fix the repeat rate of the input device. - */ -static void legacy_dvb_usb_read_remote_control(struct work_struct *work) -{ - struct dvb_usb_device *d = - container_of(work, struct dvb_usb_device, rc_query_work.work); - u32 event; - int state; - - /* TODO: need a lock here. We can simply skip checking for the remote - control if we're busy. */ - - /* when the parameter has been set to 1 via sysfs while the driver - was running */ - if (dvb_usb_disable_rc_polling) - return; - - if (d->props.rc.legacy.rc_query(d, &event, &state)) { - err("error while querying for an remote control event."); - goto schedule; - } - - - switch (state) { - case REMOTE_NO_KEY_PRESSED: - break; - case REMOTE_KEY_PRESSED: - deb_rc("key pressed\n"); - d->last_event = event; - case REMOTE_KEY_REPEAT: - deb_rc("key repeated\n"); - input_event(d->input_dev, EV_KEY, event, 1); - input_sync(d->input_dev); - input_event(d->input_dev, EV_KEY, d->last_event, 0); - input_sync(d->input_dev); - break; - default: - break; - } - -schedule: - schedule_delayed_work(&d->rc_query_work, - msecs_to_jiffies(d->props.rc.legacy.rc_interval)); -} - -static int legacy_dvb_usb_remote_init(struct dvb_usb_device *d) -{ - int i, err, rc_interval; - struct input_dev *input_dev; - - input_dev = input_allocate_device(); - if (!input_dev) - return -ENOMEM; - - input_dev->evbit[0] = BIT_MASK(EV_KEY); - input_dev->name = "IR-receiver inside an USB DVB receiver"; - input_dev->phys = d->rc_phys; - usb_to_input_id(d->udev, &input_dev->id); - input_dev->dev.parent = &d->udev->dev; - d->input_dev = input_dev; - d->rc_dev = NULL; - - input_dev->getkeycode = legacy_dvb_usb_getkeycode; - input_dev->setkeycode = legacy_dvb_usb_setkeycode; - - /* set the bits for the keys */ - deb_rc("key map size: %d\n", d->props.rc.legacy.rc_map_size); - for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) { - deb_rc("setting bit for event %d item %d\n", - d->props.rc.legacy.rc_map_table[i].keycode, i); - set_bit(d->props.rc.legacy.rc_map_table[i].keycode, - input_dev->keybit); - } - - /* setting these two values to non-zero, we have to manage key - repeats */ - input_dev->rep[REP_PERIOD] = d->props.rc.legacy.rc_interval; - input_dev->rep[REP_DELAY] = d->props.rc.legacy.rc_interval + 150; - - input_set_drvdata(input_dev, d); - - err = input_register_device(input_dev); - if (err) - input_free_device(input_dev); - - rc_interval = d->props.rc.legacy.rc_interval; - - INIT_DELAYED_WORK(&d->rc_query_work, - legacy_dvb_usb_read_remote_control); - - info("schedule remote query interval to %d msecs.", rc_interval); - schedule_delayed_work(&d->rc_query_work, - msecs_to_jiffies(rc_interval)); - - d->state |= DVB_USB_STATE_REMOTE; - - return err; -} - /* Remote-control poll function - called every dib->rc_query_interval ms to see * whether the remote control has received anything. * @@ -220,16 +26,16 @@ static void dvb_usb_read_remote_control(struct work_struct *work) /* when the parameter has been set to 1 via sysfs while the * driver was running, or when bulk mode is enabled after IR init */ - if (dvb_usb_disable_rc_polling || d->props.rc.core.bulk_mode) + if (dvb_usb_disable_rc_polling || d->props.rc.bulk_mode) return; - err = d->props.rc.core.rc_query(d); + err = d->props.rc.rc_query(d); if (err) err("error %d while querying for an remote control event.", err); schedule_delayed_work(&d->rc_query_work, - msecs_to_jiffies(d->props.rc.core.rc_interval)); + msecs_to_jiffies(d->props.rc.rc_interval)); } static int rc_core_dvb_usb_remote_init(struct dvb_usb_device *d) @@ -241,17 +47,21 @@ static int rc_core_dvb_usb_remote_init(struct dvb_usb_device *d) if (!dev) return -ENOMEM; - dev->driver_name = d->props.rc.core.module_name; - dev->map_name = d->props.rc.core.rc_codes; - dev->change_protocol = d->props.rc.core.change_protocol; - dev->allowed_protos = d->props.rc.core.allowed_protos; - dev->driver_type = d->props.rc.core.driver_type; + dev->driver_name = d->props.rc.module_name; + dev->map_name = d->rc_map; + dev->change_protocol = d->props.rc.change_protocol; + dev->allowed_protos = d->props.rc.allowed_protos; + dev->driver_type = d->props.rc.driver_type; usb_to_input_id(d->udev, &dev->input_id); dev->input_name = "IR-receiver inside an USB DVB receiver"; dev->input_phys = d->rc_phys; dev->dev.parent = &d->udev->dev; dev->priv = d; + /* leave remote controller enabled even there is no default map */ + if (dev->map_name == NULL) + dev->map_name = RC_MAP_EMPTY; + err = rc_register_device(dev); if (err < 0) { rc_free_device(dev); @@ -261,13 +71,13 @@ static int rc_core_dvb_usb_remote_init(struct dvb_usb_device *d) d->input_dev = NULL; d->rc_dev = dev; - if (!d->props.rc.core.rc_query || d->props.rc.core.bulk_mode) + if (!d->props.rc.rc_query || d->props.rc.bulk_mode) return 0; /* Polling mode - initialize a work queue for handling it */ INIT_DELAYED_WORK(&d->rc_query_work, dvb_usb_read_remote_control); - rc_interval = d->props.rc.core.rc_interval; + rc_interval = d->props.rc.rc_interval; info("schedule remote query interval to %d msecs.", rc_interval); schedule_delayed_work(&d->rc_query_work, @@ -283,24 +93,14 @@ int dvb_usb_remote_init(struct dvb_usb_device *d) if (dvb_usb_disable_rc_polling) return 0; - if (d->props.rc.legacy.rc_map_table && d->props.rc.legacy.rc_query) - d->props.rc.mode = DVB_RC_LEGACY; - else if (d->props.rc.core.rc_codes) - d->props.rc.mode = DVB_RC_CORE; - else + if (d->props.rc.module_name == NULL) return 0; usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys)); strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys)); /* Start the remote-control polling. */ - if (d->props.rc.legacy.rc_interval < 40) - d->props.rc.legacy.rc_interval = 100; /* default */ - - if (d->props.rc.mode == DVB_RC_LEGACY) - err = legacy_dvb_usb_remote_init(d); - else - err = rc_core_dvb_usb_remote_init(d); + err = rc_core_dvb_usb_remote_init(d); if (err) return err; @@ -313,52 +113,8 @@ int dvb_usb_remote_exit(struct dvb_usb_device *d) { if (d->state & DVB_USB_STATE_REMOTE) { cancel_delayed_work_sync(&d->rc_query_work); - if (d->props.rc.mode == DVB_RC_LEGACY) - input_unregister_device(d->input_dev); - else - rc_unregister_device(d->rc_dev); + rc_unregister_device(d->rc_dev); } d->state &= ~DVB_USB_STATE_REMOTE; return 0; } - -#define DVB_USB_RC_NEC_EMPTY 0x00 -#define DVB_USB_RC_NEC_KEY_PRESSED 0x01 -#define DVB_USB_RC_NEC_KEY_REPEATED 0x02 -int dvb_usbv2_nec_rc_key_to_event(struct dvb_usb_device *d, - u8 keybuf[5], u32 *event, int *state) -{ - int i; - struct rc_map_table *keymap = d->props.rc.legacy.rc_map_table; - *event = 0; - *state = REMOTE_NO_KEY_PRESSED; - switch (keybuf[0]) { - case DVB_USB_RC_NEC_EMPTY: - break; - case DVB_USB_RC_NEC_KEY_PRESSED: - if ((u8) ~keybuf[1] != keybuf[2] || - (u8) ~keybuf[3] != keybuf[4]) { - deb_err("remote control checksum failed.\n"); - break; - } - /* See if we can match the raw key code. */ - for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) - if (rc5_custom(&keymap[i]) == keybuf[1] && - rc5_data(&keymap[i]) == keybuf[3]) { - *event = keymap[i].keycode; - *state = REMOTE_KEY_PRESSED; - return 0; - } - deb_err("key mapping failed - no appropriate key found in" \ - " keymapping\n"); - break; - case DVB_USB_RC_NEC_KEY_REPEATED: - *state = REMOTE_KEY_REPEAT; - break; - default: - deb_err("unknown type of remote status: %d\n", keybuf[0]); - break; - } - return 0; -} -EXPORT_SYMBOL(dvb_usbv2_nec_rc_key_to_event); -- 2.20.1