diff options
| -rw-r--r-- | drivers/media/IR/ir-core-priv.h | 3 | ||||
| -rw-r--r-- | drivers/media/IR/ir-jvc-decoder.c | 65 | ||||
| -rw-r--r-- | drivers/media/IR/ir-nec-decoder.c | 65 | ||||
| -rw-r--r-- | drivers/media/IR/ir-raw-event.c | 112 | ||||
| -rw-r--r-- | drivers/media/IR/ir-rc5-decoder.c | 67 | ||||
| -rw-r--r-- | drivers/media/IR/ir-rc6-decoder.c | 65 | ||||
| -rw-r--r-- | drivers/media/IR/ir-sony-decoder.c | 65 | ||||
| -rw-r--r-- | drivers/media/IR/ir-sysfs.c | 252 |
8 files changed, 232 insertions, 462 deletions
diff --git a/drivers/media/IR/ir-core-priv.h b/drivers/media/IR/ir-core-priv.h index 9a5e65a471a5..5111dc23909a 100644 --- a/drivers/media/IR/ir-core-priv.h +++ b/drivers/media/IR/ir-core-priv.h @@ -22,6 +22,7 @@ struct ir_raw_handler { struct list_head list; + u64 protocols; /* which are handled by this handler */ int (*decode)(struct input_dev *input_dev, struct ir_raw_event event); int (*raw_register)(struct input_dev *input_dev); int (*raw_unregister)(struct input_dev *input_dev); @@ -33,6 +34,7 @@ struct ir_raw_event_ctrl { ktime_t last_event; /* when last event occurred */ enum raw_event_type last_type; /* last event type */ struct input_dev *input_dev; /* pointer to the parent input_dev */ + u64 enabled_protocols; /* enabled raw protocol decoders */ }; /* macros for IR decoders */ @@ -74,6 +76,7 @@ void ir_unregister_class(struct input_dev *input_dev); /* * Routines from ir-raw-event.c to be used internally and by decoders */ +u64 ir_raw_get_allowed_protocols(void); int ir_raw_event_register(struct input_dev *input_dev); void ir_raw_event_unregister(struct input_dev *input_dev); int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler); diff --git a/drivers/media/IR/ir-jvc-decoder.c b/drivers/media/IR/ir-jvc-decoder.c index b02e8013b9bb..b1f935884d30 100644 --- a/drivers/media/IR/ir-jvc-decoder.c +++ b/drivers/media/IR/ir-jvc-decoder.c @@ -41,7 +41,6 @@ enum jvc_state { struct decoder_data { struct list_head list; struct ir_input_dev *ir_dev; - int enabled:1; /* State machine control */ enum jvc_state state; @@ -72,53 +71,6 @@ static struct decoder_data *get_decoder_data(struct ir_input_dev *ir_dev) return data; } -static ssize_t store_enabled(struct device *d, - struct device_attribute *mattr, - const char *buf, - size_t len) -{ - unsigned long value; - struct ir_input_dev *ir_dev = dev_get_drvdata(d); - struct decoder_data *data = get_decoder_data(ir_dev); - - if (!data) - return -EINVAL; - - if (strict_strtoul(buf, 10, &value) || value > 1) - return -EINVAL; - - data->enabled = value; - - return len; -} - -static ssize_t show_enabled(struct device *d, - struct device_attribute *mattr, char *buf) -{ - struct ir_input_dev *ir_dev = dev_get_drvdata(d); - struct decoder_data *data = get_decoder_data(ir_dev); - - if (!data) - return -EINVAL; - - if (data->enabled) - return sprintf(buf, "1\n"); - else - return sprintf(buf, "0\n"); -} - -static DEVICE_ATTR(enabled, S_IRUGO | S_IWUSR, show_enabled, store_enabled); - -static struct attribute *decoder_attributes[] = { - &dev_attr_enabled.attr, - NULL -}; - -static struct attribute_group decoder_attribute_group = { - .name = "jvc_decoder", - .attrs = decoder_attributes, -}; - /** * ir_jvc_decode() - Decode one JVC pulse or space * @input_dev: the struct input_dev descriptor of the device @@ -135,7 +87,7 @@ static int ir_jvc_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!data) return -EINVAL; - if (!data->enabled) + if (!(ir_dev->raw->enabled_protocols & IR_TYPE_JVC)) return 0; if (IS_RESET(ev)) { @@ -253,22 +205,12 @@ static int ir_jvc_register(struct input_dev *input_dev) { struct ir_input_dev *ir_dev = input_get_drvdata(input_dev); struct decoder_data *data; - u64 ir_type = ir_dev->rc_tab.ir_type; - int rc; - - rc = sysfs_create_group(&ir_dev->dev.kobj, &decoder_attribute_group); - if (rc < 0) - return rc; data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) { - sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group); + if (!data) return -ENOMEM; - } data->ir_dev = ir_dev; - if (ir_type == IR_TYPE_JVC || ir_type == IR_TYPE_UNKNOWN) - data->enabled = 1; spin_lock(&decoder_lock); list_add_tail(&data->list, &decoder_list); @@ -286,8 +228,6 @@ static int ir_jvc_unregister(struct input_dev *input_dev) if (!data) return 0; - sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group); - spin_lock(&decoder_lock); list_del(&data->list); spin_unlock(&decoder_lock); @@ -296,6 +236,7 @@ static int ir_jvc_unregister(struct input_dev *input_dev) } static struct ir_raw_handler jvc_handler = { + .protocols = IR_TYPE_JVC, .decode = ir_jvc_decode, .raw_register = ir_jvc_register, .raw_unregister = ir_jvc_unregister, diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c index 6059a1f1e151..db62c652dfc5 100644 --- a/drivers/media/IR/ir-nec-decoder.c +++ b/drivers/media/IR/ir-nec-decoder.c @@ -43,7 +43,6 @@ enum nec_state { struct decoder_data { struct list_head list; struct ir_input_dev *ir_dev; - int enabled:1; /* State machine control */ enum nec_state state; @@ -71,53 +70,6 @@ static struct decoder_data *get_decoder_data(struct ir_input_dev *ir_dev) return data; } -static ssize_t store_enabled(struct device *d, - struct device_attribute *mattr, - const char *buf, - size_t len) -{ - unsigned long value; - struct ir_input_dev *ir_dev = dev_get_drvdata(d); - struct decoder_data *data = get_decoder_data(ir_dev); - - if (!data) - return -EINVAL; - - if (strict_strtoul(buf, 10, &value) || value > 1) - return -EINVAL; - - data->enabled = value; - - return len; -} - -static ssize_t show_enabled(struct device *d, - struct device_attribute *mattr, char *buf) -{ - struct ir_input_dev *ir_dev = dev_get_drvdata(d); - struct decoder_data *data = get_decoder_data(ir_dev); - - if (!data) - return -EINVAL; - - if (data->enabled) - return sprintf(buf, "1\n"); - else - return sprintf(buf, "0\n"); -} - -static DEVICE_ATTR(enabled, S_IRUGO | S_IWUSR, show_enabled, store_enabled); - -static struct attribute *decoder_attributes[] = { - &dev_attr_enabled.attr, - NULL -}; - -static struct attribute_group decoder_attribute_group = { - .name = "nec_decoder", - .attrs = decoder_attributes, -}; - /** * ir_nec_decode() - Decode one NEC pulse or space * @input_dev: the struct input_dev descriptor of the device @@ -136,7 +88,7 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!data) return -EINVAL; - if (!data->enabled) + if (!(ir_dev->raw->enabled_protocols & IR_TYPE_NEC)) return 0; if (IS_RESET(ev)) { @@ -260,22 +212,12 @@ static int ir_nec_register(struct input_dev *input_dev) { struct ir_input_dev *ir_dev = input_get_drvdata(input_dev); struct decoder_data *data; - u64 ir_type = ir_dev->rc_tab.ir_type; - int rc; - - rc = sysfs_create_group(&ir_dev->dev.kobj, &decoder_attribute_group); - if (rc < 0) - return rc; data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) { - sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group); + if (!data) return -ENOMEM; - } data->ir_dev = ir_dev; - if (ir_type == IR_TYPE_NEC || ir_type == IR_TYPE_UNKNOWN) - data->enabled = 1; spin_lock(&decoder_lock); list_add_tail(&data->list, &decoder_list); @@ -293,8 +235,6 @@ static int ir_nec_unregister(struct input_dev *input_dev) if (!data) return 0; - sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group); - spin_lock(&decoder_lock); list_del(&data->list); spin_unlock(&decoder_lock); @@ -303,6 +243,7 @@ static int ir_nec_unregister(struct input_dev *input_dev) } static struct ir_raw_handler nec_handler = { + .protocols = IR_TYPE_NEC, .decode = ir_nec_decode, .raw_register = ir_nec_register, .raw_unregister = ir_nec_unregister, diff --git a/drivers/media/IR/ir-raw-event.c b/drivers/media/IR/ir-raw-event.c index d3bd3f98e008..fb3336c37191 100644 --- a/drivers/media/IR/ir-raw-event.c +++ b/drivers/media/IR/ir-raw-event.c @@ -21,8 +21,9 @@ #define MAX_IR_EVENT_SIZE 512 /* Used to handle IR raw handler extensions */ -static LIST_HEAD(ir_raw_handler_list); static DEFINE_SPINLOCK(ir_raw_handler_lock); +static LIST_HEAD(ir_raw_handler_list); +static u64 available_protocols; /** * RUN_DECODER() - runs an operation on all IR decoders @@ -64,52 +65,6 @@ static void ir_raw_event_work(struct work_struct *work) RUN_DECODER(decode, raw->input_dev, ev); } -int ir_raw_event_register(struct input_dev *input_dev) -{ - struct ir_input_dev *ir = input_get_drvdata(input_dev); - int rc; - - ir->raw = kzalloc(sizeof(*ir->raw), GFP_KERNEL); - if (!ir->raw) - return -ENOMEM; - - ir->raw->input_dev = input_dev; - INIT_WORK(&ir->raw->rx_work, ir_raw_event_work); - - rc = kfifo_alloc(&ir->raw->kfifo, sizeof(s64) * MAX_IR_EVENT_SIZE, - GFP_KERNEL); - if (rc < 0) { - kfree(ir->raw); - ir->raw = NULL; - return rc; - } - - rc = RUN_DECODER(raw_register, input_dev); - if (rc < 0) { - kfifo_free(&ir->raw->kfifo); - kfree(ir->raw); - ir->raw = NULL; - return rc; - } - - return rc; -} - -void ir_raw_event_unregister(struct input_dev *input_dev) -{ - struct ir_input_dev *ir = input_get_drvdata(input_dev); - - if (!ir->raw) - return; - - cancel_work_sync(&ir->raw->rx_work); - RUN_DECODER(raw_unregister, input_dev); - - kfifo_free(&ir->raw->kfifo); - kfree(ir->raw); - ir->raw = NULL; -} - /** * ir_raw_event_store() - pass a pulse/space duration to the raw ir decoders * @input_dev: the struct input_dev device descriptor @@ -203,6 +158,66 @@ void ir_raw_event_handle(struct input_dev *input_dev) } EXPORT_SYMBOL_GPL(ir_raw_event_handle); +/* used internally by the sysfs interface */ +u64 +ir_raw_get_allowed_protocols() +{ + u64 protocols; + spin_lock(&ir_raw_handler_lock); + protocols = available_protocols; + spin_unlock(&ir_raw_handler_lock); + return protocols; +} + +/* + * Used to (un)register raw event clients + */ +int ir_raw_event_register(struct input_dev *input_dev) +{ + struct ir_input_dev *ir = input_get_drvdata(input_dev); + int rc; + + ir->raw = kzalloc(sizeof(*ir->raw), GFP_KERNEL); + if (!ir->raw) + return -ENOMEM; + + ir->raw->input_dev = input_dev; + INIT_WORK(&ir->raw->rx_work, ir_raw_event_work); + ir->raw->enabled_protocols = ~0; + rc = kfifo_alloc(&ir->raw->kfifo, sizeof(s64) * MAX_IR_EVENT_SIZE, + GFP_KERNEL); + if (rc < 0) { + kfree(ir->raw); + ir->raw = NULL; + return rc; + } + + rc = RUN_DECODER(raw_register, input_dev); + if (rc < 0) { + kfifo_free(&ir->raw->kfifo); + kfree(ir->raw); + ir->raw = NULL; + return rc; + } + + return rc; +} + +void ir_raw_event_unregister(struct input_dev *input_dev) +{ + struct ir_input_dev *ir = input_get_drvdata(input_dev); + + if (!ir->raw) + return; + + cancel_work_sync(&ir->raw->rx_work); + RUN_DECODER(raw_unregister, input_dev); + + kfifo_free(&ir->raw->kfifo); + kfree(ir->raw); + ir->raw = NULL; +} + /* * Extension interface - used to register the IR decoders */ @@ -211,7 +226,9 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler) { spin_lock(&ir_raw_handler_lock); list_add_tail(&ir_raw_handler->list, &ir_raw_handler_list); + available_protocols |= ir_raw_handler->protocols; spin_unlock(&ir_raw_handler_lock); + return 0; } EXPORT_SYMBOL(ir_raw_handler_register); @@ -220,6 +237,7 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler) { spin_lock(&ir_raw_handler_lock); list_del(&ir_raw_handler->list); + available_protocols &= ~ir_raw_handler->protocols; spin_unlock(&ir_raw_handler_lock); } EXPORT_SYMBOL(ir_raw_handler_unregister); diff --git a/drivers/media/IR/ir-rc5-decoder.c b/drivers/media/IR/ir-rc5-decoder.c index 4aa797bc69fd..bdfa404a6537 100644 --- a/drivers/media/IR/ir-rc5-decoder.c +++ b/drivers/media/IR/ir-rc5-decoder.c @@ -45,7 +45,6 @@ enum rc5_state { struct decoder_data { struct list_head list; struct ir_input_dev *ir_dev; - int enabled:1; /* State machine control */ enum rc5_state state; @@ -76,53 +75,6 @@ static struct decoder_data *get_decoder_data(struct ir_input_dev *ir_dev) return data; } -static ssize_t store_enabled(struct device *d, - struct device_attribute *mattr, - const char *buf, - size_t len) -{ - unsigned long value; - struct ir_input_dev *ir_dev = dev_get_drvdata(d); - struct decoder_data *data = get_decoder_data(ir_dev); - - if (!data) - return -EINVAL; - - if (strict_strtoul(buf, 10, &value) || value > 1) - return -EINVAL; - - data->enabled = value; - - return len; -} - -static ssize_t show_enabled(struct device *d, - struct device_attribute *mattr, char *buf) -{ - struct ir_input_dev *ir_dev = dev_get_drvdata(d); - struct decoder_data *data = get_decoder_data(ir_dev); - - if (!data) - return -EINVAL; - - if (data->enabled) - return sprintf(buf, "1\n"); - else - return sprintf(buf, "0\n"); -} - -static DEVICE_ATTR(enabled, S_IRUGO | S_IWUSR, show_enabled, store_enabled); - -static struct attribute *decoder_attributes[] = { - &dev_attr_enabled.attr, - NULL -}; - -static struct attribute_group decoder_attribute_group = { - .name = "rc5_decoder", - .attrs = decoder_attributes, -}; - /** * ir_rc5_decode() - Decode one RC-5 pulse or space * @input_dev: the struct input_dev descriptor of the device @@ -141,8 +93,8 @@ static int ir_rc5_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!data) return -EINVAL; - if (!data->enabled) - return 0; + if (!(ir_dev->raw->enabled_protocols & IR_TYPE_RC5)) + return 0; if (IS_RESET(ev)) { data->state = STATE_INACTIVE; @@ -256,22 +208,12 @@ static int ir_rc5_register(struct input_dev *input_dev) { struct ir_input_dev *ir_dev = input_get_drvdata(input_dev); struct decoder_data *data; - u64 ir_type = ir_dev->rc_tab.ir_type; - int rc; - - rc = sysfs_create_group(&ir_dev->dev.kobj, &decoder_attribute_group); - if (rc < 0) - return rc; data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) { - sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group); + if (!data) return -ENOMEM; - } data->ir_dev = ir_dev; - if (ir_type == IR_TYPE_RC5 || ir_type == IR_TYPE_UNKNOWN) - data->enabled = 1; spin_lock(&decoder_lock); list_add_tail(&data->list, &decoder_list); @@ -289,8 +231,6 @@ static int ir_rc5_unregister(struct input_dev *input_dev) if (!data) return 0; - sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group); - spin_lock(&decoder_lock); list_del(&data->list); spin_unlock(&decoder_lock); @@ -299,6 +239,7 @@ static int ir_rc5_unregister(struct input_dev *input_dev) } static struct ir_raw_handler rc5_handler = { + .protocols = IR_TYPE_RC5, .decode = ir_rc5_decode, .raw_register = ir_rc5_register, .raw_unregister = ir_rc5_unregister, diff --git a/drivers/media/IR/ir-rc6-decoder.c b/drivers/media/IR/ir-rc6-decoder.c index 9f61da29face..2ebd4ea69538 100644 --- a/drivers/media/IR/ir-rc6-decoder.c +++ b/drivers/media/IR/ir-rc6-decoder.c @@ -61,7 +61,6 @@ enum rc6_state { struct decoder_data { struct list_head list; struct ir_input_dev *ir_dev; - int enabled:1; /* State machine control */ enum rc6_state state; @@ -93,53 +92,6 @@ static struct decoder_data *get_decoder_data(struct ir_input_dev *ir_dev) return data; } -static ssize_t store_enabled(struct device *d, - struct device_attribute *mattr, - const char *buf, - size_t len) -{ - unsigned long value; - struct ir_input_dev *ir_dev = dev_get_drvdata(d); - struct decoder_data *data = get_decoder_data(ir_dev); - - if (!data) - return -EINVAL; - - if (strict_strtoul(buf, 10, &value) || value > 1) - return -EINVAL; - - data->enabled = value; - - return len; -} - -static ssize_t show_enabled(struct device *d, - struct device_attribute *mattr, char *buf) -{ - struct ir_input_dev *ir_dev = dev_get_drvdata(d); - struct decoder_data *data = get_decoder_data(ir_dev); - - if (!data) - return -EINVAL; - - if (data->enabled) - return sprintf(buf, "1\n"); - else - return sprintf(buf, "0\n"); -} - -static DEVICE_ATTR(enabled, S_IRUGO | S_IWUSR, show_enabled, store_enabled); - -static struct attribute *decoder_attributes[] = { - &dev_attr_enabled.attr, - NULL -}; - -static struct attribute_group decoder_attribute_group = { - .name = "rc6_decoder", - .attrs = decoder_attributes, -}; - static enum rc6_mode rc6_mode(struct decoder_data *data) { switch (data->header & RC6_MODE_MASK) { case 0: @@ -171,7 +123,7 @@ static int ir_rc6_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!data) return -EINVAL; - if (!data->enabled) + if (!(ir_dev->raw->enabled_protocols & IR_TYPE_RC6)) return 0; if (IS_RESET(ev)) { @@ -352,22 +304,12 @@ static int ir_rc6_register(struct input_dev *input_dev) { struct ir_input_dev *ir_dev = input_get_drvdata(input_dev); struct decoder_data *data; - u64 ir_type = ir_dev->rc_tab.ir_type; - int rc; - - rc = sysfs_create_group(&ir_dev->dev.kobj, &decoder_attribute_group); - if (rc < 0) - return rc; data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) { - sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group); + if (!data) return -ENOMEM; - } data->ir_dev = ir_dev; - if (ir_type == IR_TYPE_RC6 || ir_type == IR_TYPE_UNKNOWN) - data->enabled = 1; spin_lock(&decoder_lock); list_add_tail(&data->list, &decoder_list); @@ -385,8 +327,6 @@ static int ir_rc6_unregister(struct input_dev *input_dev) if (!data) return 0; - sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group); - spin_lock(&decoder_lock); list_del(&data->list); spin_unlock(&decoder_lock); @@ -395,6 +335,7 @@ static int ir_rc6_unregister(struct input_dev *input_dev) } static struct ir_raw_handler rc6_handler = { + .protocols = IR_TYPE_RC6, .decode = ir_rc6_decode, .raw_register = ir_rc6_register, .raw_unregister = ir_rc6_unregister, diff --git a/drivers/media/IR/ir-sony-decoder.c b/drivers/media/IR/ir-sony-decoder.c index 219075ffd6b7..e15db3334998 100644 --- a/drivers/media/IR/ir-sony-decoder.c +++ b/drivers/media/IR/ir-sony-decoder.c @@ -38,7 +38,6 @@ enum sony_state { struct decoder_data { struct list_head list; struct ir_input_dev *ir_dev; - int enabled:1; /* State machine control */ enum sony_state state; @@ -66,53 +65,6 @@ static struct decoder_data *get_decoder_data(struct ir_input_dev *ir_dev) return data; } -static ssize_t store_enabled(struct device *d, - struct device_attribute *mattr, - const char *buf, - size_t len) -{ - unsigned long value; - struct ir_input_dev *ir_dev = dev_get_drvdata(d); - struct decoder_data *data = get_decoder_data(ir_dev); - - if (!data) - return -EINVAL; - - if (strict_strtoul(buf, 10, &value) || value > 1) - return -EINVAL; - - data->enabled = value; - - return len; -} - -static ssize_t show_enabled(struct device *d, - struct device_attribute *mattr, char *buf) -{ - struct ir_input_dev *ir_dev = dev_get_drvdata(d); - struct decoder_data *data = get_decoder_data(ir_dev); - - if (!data) - return -EINVAL; - - if (data->enabled) - return sprintf(buf, "1\n"); - else - return sprintf(buf, "0\n"); -} - -static DEVICE_ATTR(enabled, S_IRUGO | S_IWUSR, show_enabled, store_enabled); - -static struct attribute *decoder_attributes[] = { - &dev_attr_enabled.attr, - NULL -}; - -static struct attribute_group decoder_attribute_group = { - .name = "sony_decoder", - .attrs = decoder_attributes, -}; - /** * ir_sony_decode() - Decode one Sony pulse or space * @input_dev: the struct input_dev descriptor of the device @@ -131,7 +83,7 @@ static int ir_sony_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!data) return -EINVAL; - if (!data->enabled) + if (!(ir_dev->raw->enabled_protocols & IR_TYPE_SONY)) return 0; if (IS_RESET(ev)) { @@ -245,22 +197,12 @@ static int ir_sony_register(struct input_dev *input_dev) { struct ir_input_dev *ir_dev = input_get_drvdata(input_dev); struct decoder_data *data; - u64 ir_type = ir_dev->rc_tab.ir_type; - int rc; - - rc = sysfs_create_group(&ir_dev->dev.kobj, &decoder_attribute_group); - if (rc < 0) - return rc; data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) { - sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group); + if (!data) return -ENOMEM; - } data->ir_dev = ir_dev; - if (ir_type == IR_TYPE_SONY || ir_type == IR_TYPE_UNKNOWN) - data->enabled = 1; spin_lock(&decoder_lock); list_add_tail(&data->list, &decoder_list); @@ -278,8 +220,6 @@ static int ir_sony_unregister(struct input_dev *input_dev) if (!data) return 0; - sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group); - spin_lock(&decoder_lock); list_del(&data->list); spin_unlock(&decoder_lock); @@ -288,6 +228,7 @@ static int ir_sony_unregister(struct input_dev *input_dev) } static struct ir_raw_handler sony_handler = { + .protocols = IR_TYPE_SONY, .decode = ir_sony_decode, .raw_register = ir_sony_register, .raw_unregister = ir_sony_unregister, diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c index 2098dd1488e0..005621d067f0 100644 --- a/drivers/media/IR/ir-sysfs.c +++ b/drivers/media/IR/ir-sysfs.c @@ -34,122 +34,178 @@ static struct class ir_input_class = { }; /** - * show_protocol() - shows the current IR protocol + * show_protocols() - shows the current IR protocol(s) * @d: the device descriptor * @mattr: the device attribute struct (unused) * @buf: a pointer to the output buffer * - * This routine is a callback routine for input read the IR protocol type. - * it is trigged by reading /sys/class/rc/rc?/current_protocol. - * It returns the protocol name, as understood by the driver. + * This routine is a callback routine for input read the IR protocol type(s). + * it is trigged by reading /sys/class/rc/rc?/protocols. + * It returns the protocol names of supported protocols. + * Enabled protocols are printed in brackets. */ -static ssize_t show_protocol(struct device *d, - struct device_attribute *mattr, char *buf) +static ssize_t show_protocols(struct device *d, + struct device_attribute *mattr, char *buf) { - char *s; struct ir_input_dev *ir_dev = dev_get_drvdata(d); - u64 ir_type = ir_dev->rc_tab.ir_type; - - IR_dprintk(1, "Current protocol is %lld\n", (long long)ir_type); - - /* FIXME: doesn't support multiple protocols at the same time */ - if (ir_type == IR_TYPE_UNKNOWN) - s = "Unknown"; - else if (ir_type == IR_TYPE_RC5) - s = "rc-5"; - else if (ir_type == IR_TYPE_NEC) - s = "nec"; - else if (ir_type == IR_TYPE_RC6) - s = "rc6"; - else if (ir_type == IR_TYPE_JVC) - s = "jvc"; - else if (ir_type == IR_TYPE_SONY) - s = "sony"; - else - s = "other"; + u64 allowed, enabled; + char *tmp = buf; + + if (ir_dev->props->driver_type == RC_DRIVER_SCANCODE) { + enabled = ir_dev->rc_tab.ir_type; + allowed = ir_dev->props->allowed_protos; + } else { + enabled = ir_dev->raw->enabled_protocols; + allowed = ir_raw_get_allowed_protocols(); + } - return sprintf(buf, "%s\n", s); + IR_dprintk(1, "allowed - 0x%llx, enabled - 0x%llx\n", + (long long)allowed, + (long long)enabled); + + if (allowed & enabled & IR_TYPE_UNKNOWN) + tmp += sprintf(tmp, "[unknown] "); + else if (allowed & IR_TYPE_UNKNOWN) + tmp += sprintf(tmp, "unknown "); + + if (allowed & enabled & IR_TYPE_RC5) + tmp += sprintf(tmp, "[rc5] "); + else if (allowed & IR_TYPE_RC5) + tmp += sprintf(tmp, "rc5 "); + + if (allowed & enabled & IR_TYPE_NEC) + tmp += sprintf(tmp, "[nec] "); + else if (allowed & IR_TYPE_NEC) + tmp += sprintf(tmp, "nec "); + + if (allowed & enabled & IR_TYPE_RC6) + tmp += sprintf(tmp, "[rc6] "); + else if (allowed & IR_TYPE_RC6) + tmp += sprintf(tmp, "rc6 "); + + if (allowed & enabled & IR_TYPE_JVC) + tmp += sprintf(tmp, "[jvc] "); + else if (allowed & IR_TYPE_JVC) + tmp += sprintf(tmp, "jvc "); + + if (allowed & enabled & IR_TYPE_SONY) + tmp += sprintf(tmp, "[sony] "); + else if (allowed & IR_TYPE_SONY) + tmp += sprintf(tmp, "sony "); + + if (tmp != buf) + tmp--; + *tmp = '\n'; + return tmp + 1 - buf; } /** - * store_protocol() - shows the current IR protocol + * store_protocols() - changes the current IR protocol(s) * @d: the device descriptor * @mattr: the device attribute struct (unused) * @buf: a pointer to the input buffer * @len: length of the input buffer * * This routine is a callback routine for changing the IR protocol type. - * it is trigged by reading /sys/class/rc/rc?/current_protocol. - * It changes the IR the protocol name, if the IR type is recognized - * by the driver. - * If an unknown protocol name is used, returns -EINVAL. + * It is trigged by writing to /sys/class/rc/rc?/protocols. + * Writing "+proto" will add a protocol to the list of enabled protocols. + * Writing "-proto" will remove a protocol from the list of enabled protocols. + * Writing "proto" will enable only "proto". + * Returns -EINVAL if an invalid protocol combination or unknown protocol name + * is used, otherwise @len. */ -static ssize_t store_protocol(struct device *d, - struct device_attribute *mattr, - const char *data, - size_t len) +static ssize_t store_protocols(struct device *d, + struct device_attribute *mattr, + const char *data, + size_t len) { struct ir_input_dev *ir_dev = dev_get_drvdata(d); - u64 ir_type = 0; - int rc = -EINVAL; + bool enable, disable; + const char *tmp; + u64 type; + u64 mask; + int rc; unsigned long flags; - char *buf; - - while ((buf = strsep((char **) &data, " \n")) != NULL) { - if (!strcasecmp(buf, "rc-5") || !strcasecmp(buf, "rc5")) - ir_type |= IR_TYPE_RC5; - if (!strcasecmp(buf, "nec")) - ir_type |= IR_TYPE_NEC; - if (!strcasecmp(buf, "jvc")) - ir_type |= IR_TYPE_JVC; - if (!strcasecmp(buf, "sony")) - ir_type |= IR_TYPE_SONY; + + tmp = skip_spaces(data); + + if (*tmp == '+') { + enable = true; + disable = false; + tmp++; + } else if (*tmp == '-') { + enable = false; + disable = true; + tmp++; + } else { + enable = false; + disable = false; } - if (!ir_type) { + if (!strncasecmp(tmp, "unknown", 7)) { + tmp += 7; + mask = IR_TYPE_UNKNOWN; + } else if (!strncasecmp(tmp, "rc5", 3)) { + tmp += 3; + mask = IR_TYPE_RC5; + } else if (!strncasecmp(tmp, "nec", 3)) { + tmp += 3; + mask = IR_TYPE_NEC; + } else if (!strncasecmp(tmp, "rc6", 3)) { + tmp += 3; + mask = IR_TYPE_RC6; + } else if (!strncasecmp(tmp, "jvc", 3)) { + tmp += 3; + mask = IR_TYPE_JVC; + } else if (!strncasecmp(tmp, "sony", 4)) { + tmp += 4; + mask = IR_TYPE_SONY; + } else { IR_dprintk(1, "Unknown protocol\n"); return -EINVAL; } - if (ir_dev->props && ir_dev->props->change_protocol) - rc = ir_dev->props->change_protocol(ir_dev->props->priv, - ir_type); - - if (rc < 0) { - IR_dprintk(1, "Error setting protocol to %lld\n", - (long long)ir_type); + tmp = skip_spaces(tmp); + if (*tmp != '\0') { + IR_dprintk(1, "Invalid trailing characters\n"); return -EINVAL; } - spin_lock_irqsave(&ir_dev->rc_tab.lock, flags); - ir_dev->rc_tab.ir_type = ir_type; - spin_unlock_irqrestore(&ir_dev->rc_tab.lock, flags); + if (ir_dev->props->driver_type == RC_DRIVER_SCANCODE) + type = ir_dev->rc_tab.ir_type; + else + type = ir_dev->raw->enabled_protocols; - IR_dprintk(1, "Current protocol(s) is(are) %lld\n", - (long long)ir_type); + if (enable) + type |= mask; + else if (disable) + type &= ~mask; + else + type = mask; - return len; -} + if (ir_dev->props && ir_dev->props->change_protocol) { + rc = ir_dev->props->change_protocol(ir_dev->props->priv, + type); + if (rc < 0) { + IR_dprintk(1, "Error setting protocols to 0x%llx\n", + (long long)type); + return -EINVAL; + } + } -static ssize_t show_supported_protocols(struct device *d, - struct device_attribute *mattr, char *buf) -{ - char *orgbuf = buf; - struct ir_input_dev *ir_dev = dev_get_drvdata(d); + if (ir_dev->props->driver_type == RC_DRIVER_SCANCODE) { + spin_lock_irqsave(&ir_dev->rc_tab.lock, flags); + ir_dev->rc_tab.ir_type = type; + spin_unlock_irqrestore(&ir_dev->rc_tab.lock, flags); + } else { + ir_dev->raw->enabled_protocols = type; + } - /* FIXME: doesn't support multiple protocols at the same time */ - if (ir_dev->props->allowed_protos == IR_TYPE_UNKNOWN) - buf += sprintf(buf, "unknown "); - if (ir_dev->props->allowed_protos & IR_TYPE_RC5) - buf += sprintf(buf, "rc-5 "); - if (ir_dev->props->allowed_protos & IR_TYPE_NEC) - buf += sprintf(buf, "nec "); - if (buf == orgbuf) - buf += sprintf(buf, "other "); - buf += sprintf(buf - 1, "\n"); + IR_dprintk(1, "Current protocol(s): 0x%llx\n", + (long long)type); - return buf - orgbuf; + return len; } #define ADD_HOTPLUG_VAR(fmt, val...) \ @@ -159,7 +215,7 @@ static ssize_t show_supported_protocols(struct device *d, return err; \ } while (0) -static int ir_dev_uevent(struct device *device, struct kobj_uevent_env *env) +static int rc_dev_uevent(struct device *device, struct kobj_uevent_env *env) { struct ir_input_dev *ir_dev = dev_get_drvdata(device); @@ -174,34 +230,26 @@ static int ir_dev_uevent(struct device *device, struct kobj_uevent_env *env) /* * Static device attribute struct with the sysfs attributes for IR's */ -static DEVICE_ATTR(protocol, S_IRUGO | S_IWUSR, - show_protocol, store_protocol); - -static DEVICE_ATTR(supported_protocols, S_IRUGO | S_IWUSR, - show_supported_protocols, NULL); +static DEVICE_ATTR(protocols, S_IRUGO | S_IWUSR, + show_protocols, store_protocols); -static struct attribute *ir_hw_dev_attrs[] = { - &dev_attr_protocol.attr, - &dev_attr_supported_protocols.attr, +static struct attribute *rc_dev_attrs[] = { + &dev_attr_protocols.attr, NULL, }; -static struct attribute_group ir_hw_dev_attr_grp = { - .attrs = ir_hw_dev_attrs, +static struct attribute_group rc_dev_attr_grp = { + .attrs = rc_dev_attrs, }; -static const struct attribute_group *ir_hw_dev_attr_groups[] = { - &ir_hw_dev_attr_grp, +static const struct attribute_group *rc_dev_attr_groups[] = { + &rc_dev_attr_grp, NULL }; static struct device_type rc_dev_type = { - .groups = ir_hw_dev_attr_groups, - .uevent = ir_dev_uevent, -}; - -static struct device_type ir_raw_dev_type = { - .uevent = ir_dev_uevent, + .groups = rc_dev_attr_groups, + .uevent = rc_dev_uevent, }; /** @@ -221,11 +269,7 @@ int ir_register_class(struct input_dev *input_dev) if (unlikely(devno < 0)) return devno; - if (ir_dev->props) { - if (ir_dev->props->driver_type == RC_DRIVER_SCANCODE) - ir_dev->dev.type = &rc_dev_type; - } else - ir_dev->dev.type = &ir_raw_dev_type; + ir_dev->dev.type = &rc_dev_type; ir_dev->dev.class = &ir_input_class; ir_dev->dev.parent = input_dev->dev.parent; |