From f959eb8087220a7730d017196bc79ea7ee08fdc4 Mon Sep 17 00:00:00 2001 From: sbrissen Date: Fri, 13 Dec 2013 15:22:39 -0500 Subject: kona-common: add consumerir hal credits: Aaron Jackson http://review.cyanogenmod.org/#/c/55741/ Change-Id: Iff173da6f728ab28fe1b9d91dba4156a3c63e14b --- consumerir/Android.mk | 28 +++++++++++ consumerir/consumerir.c | 130 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 158 insertions(+) create mode 100644 consumerir/Android.mk create mode 100644 consumerir/consumerir.c (limited to 'consumerir') diff --git a/consumerir/Android.mk b/consumerir/Android.mk new file mode 100644 index 0000000..de7f9c3 --- /dev/null +++ b/consumerir/Android.mk @@ -0,0 +1,28 @@ +# Copyright (C) 2013 The Android Open Source Project +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# HAL module implementation stored in +# hw/..so + +LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) + +LOCAL_MODULE := consumerir.exynos4 +LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw +LOCAL_SRC_FILES := consumerir.c +LOCAL_SHARED_LIBRARIES := liblog libcutils +LOCAL_MODULE_TAGS := optional + +include $(BUILD_SHARED_LIBRARY) diff --git a/consumerir/consumerir.c b/consumerir/consumerir.c new file mode 100644 index 0000000..327beb4 --- /dev/null +++ b/consumerir/consumerir.c @@ -0,0 +1,130 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#define LOG_TAG "ConsumerIrHal" + +#include +#include +#include +#include +#include +#include +#include + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) + +static const consumerir_freq_range_t consumerir_freqs[] = { + {.min = 30000, .max = 30000}, + {.min = 33000, .max = 33000}, + {.min = 36000, .max = 36000}, + {.min = 38000, .max = 38000}, + {.min = 40000, .max = 40000}, + {.min = 56000, .max = 56000}, +}; + +int fd = 0; +static int consumerir_transmit(struct consumerir_device *dev, + int carrier_freq, int pattern[], int pattern_len) +{ + int strlen; + int i; + char buffer[1024]; + + memset(buffer, 0, 1024); + + /* write the header */ + strlen = sprintf(buffer, "%d,", carrier_freq); + + /* write out the timing pattern */ + for (i = 0; i < pattern_len; i++) + { + strlen += sprintf(buffer + strlen, "%d,", pattern[i]); + } + + buffer[strlen - 1] = 0; + + write(fd, buffer, strlen - 1); + + return 0; +} + +static int consumerir_get_num_carrier_freqs(struct consumerir_device *dev) +{ + return ARRAY_SIZE(consumerir_freqs); +} + +static int consumerir_get_carrier_freqs(struct consumerir_device *dev, + size_t len, consumerir_freq_range_t *ranges) +{ + size_t to_copy = ARRAY_SIZE(consumerir_freqs); + + to_copy = len < to_copy ? len : to_copy; + memcpy(ranges, consumerir_freqs, to_copy * sizeof(consumerir_freq_range_t)); + return to_copy; +} + +static int consumerir_close(hw_device_t *dev) +{ + free(dev); + close(fd); + return 0; +} + +/* + * Generic device handling + */ +static int consumerir_open(const hw_module_t* module, const char* name, + hw_device_t** device) +{ + if (strcmp(name, CONSUMERIR_TRANSMITTER) != 0) { + return -EINVAL; + } + if (device == NULL) { + ALOGE("NULL device on open"); + return -EINVAL; + } + + consumerir_device_t *dev = malloc(sizeof(consumerir_device_t)); + memset(dev, 0, sizeof(consumerir_device_t)); + + dev->common.tag = HARDWARE_DEVICE_TAG; + dev->common.version = 0; + dev->common.module = (struct hw_module_t*) module; + dev->common.close = consumerir_close; + + dev->transmit = consumerir_transmit; + dev->get_num_carrier_freqs = consumerir_get_num_carrier_freqs; + dev->get_carrier_freqs = consumerir_get_carrier_freqs; + + *device = (hw_device_t*) dev; + fd = open("/sys/class/sec/sec_ir/ir_send", O_RDWR); + return 0; +} + +static struct hw_module_methods_t consumerir_module_methods = { + .open = consumerir_open, +}; + +consumerir_module_t HAL_MODULE_INFO_SYM = { + .common = { + .tag = HARDWARE_MODULE_TAG, + .module_api_version = CONSUMERIR_MODULE_API_VERSION_1_0, + .hal_api_version = HARDWARE_HAL_API_VERSION, + .id = CONSUMERIR_HARDWARE_MODULE_ID, + .name = "Consumer IR Module", + .author = "The CyanogenMod Project", + .methods = &consumerir_module_methods, + }, +}; -- cgit v1.1