espresso-common: add consumerir module

Change-Id: I9302e07ccf7ad2fdd24dbfc462966a2f3007e257

2 files changed, 158 insertions, 0 deletions

diff --git a/consumerir/Android.mk b/consumerir/Android.mk
new file mode 100644
index 0000000..6f48034
--- /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/<POWERS_HARDWARE_MODULE_ID>.<ro.hardware>.so
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := consumerir.piranha
+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 <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <cutils/log.h>
+#include <hardware/hardware.h>
+#include <hardware/consumerir.h>
+
+#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,
+    },
+};