Factor out common hw_init() driver code.

[libsigrok.git] / hardware / fx2lafw / fx2lafw.c

diff --git a/hardware/fx2lafw/fx2lafw.c b/hardware/fx2lafw/fx2lafw.c
index 304873ae9f3a8f9b6b8ac7a4ab7bd93d325768d1..a0955371a21e105fd129208a03e7c6d4ef264691 100644 (file)
--- a/hardware/fx2lafw/fx2lafw.c
+++ b/hardware/fx2lafw/fx2lafw.c
@@ -82,12 +82,12 @@ static const struct fx2lafw_profile supported_fx2[] = {
 };
 
 static const int hwcaps[] = {
-       SR_HWCAP_LOGIC_ANALYZER,
-       SR_HWCAP_SAMPLERATE,
+       SR_CONF_LOGIC_ANALYZER,
+       SR_CONF_SAMPLERATE,
 
        /* These are really implemented in the driver, not the hardware. */
-       SR_HWCAP_LIMIT_SAMPLES,
-       SR_HWCAP_CONTINUOUS,
+       SR_CONF_LIMIT_SAMPLES,
+       SR_CONF_CONTINUOUS,
        0,
 };
 
@@ -127,8 +127,7 @@ static const struct sr_samplerates samplerates = {
 SR_PRIV struct sr_dev_driver fx2lafw_driver_info;
 static struct sr_dev_driver *di = &fx2lafw_driver_info;
 static int hw_dev_close(struct sr_dev_inst *sdi);
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
-               const void *value);
+static int config_set(int id, const void *value, const struct sr_dev_inst *sdi);
 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
 
 /**
@@ -385,17 +384,7 @@ static int clear_instances(void)
 
 static int hw_init(struct sr_context *sr_ctx)
 {
-       struct drv_context *drvc;
-
-       if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
-               sr_err("Driver context malloc failed.");
-               return SR_ERR_MALLOC;
-       }
-
-       drvc->sr_ctx = sr_ctx;
-       di->priv = drvc;
-
-       return SR_OK;
+       return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
 }
 
 static GSList *hw_scan(GSList *options)
@@ -561,8 +550,8 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
 
        if (devc->cur_samplerate == 0) {
                /* Samplerate hasn't been set; default to the slowest one. */
-               if (hw_dev_config_set(sdi, SR_HWCAP_SAMPLERATE,
-                   &supported_samplerates[0]) == SR_ERR)
+               if (config_set(SR_CONF_SAMPLERATE, &supported_samplerates[0],
+                               sdi) == SR_ERR)
                        return SR_ERR;
        }
 
@@ -603,22 +592,12 @@ static int hw_cleanup(void)
        return ret;
 }
 
-static int hw_info_get(int info_id, const void **data,
-               const struct sr_dev_inst *sdi)
+static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
 
-       switch (info_id) {
-       case SR_DI_HWCAPS:
-               *data = hwcaps;
-               break;
-       case SR_DI_SAMPLERATES:
-               *data = &samplerates;
-               break;
-       case SR_DI_TRIGGER_TYPES:
-               *data = TRIGGER_TYPES;
-               break;
-       case SR_DI_CUR_SAMPLERATE:
+       switch (id) {
+       case SR_CONF_SAMPLERATE:
                if (sdi) {
                        devc = sdi->priv;
                        *data = &devc->cur_samplerate;
@@ -632,18 +611,17 @@ static int hw_info_get(int info_id, const void **data,
        return SR_OK;
 }
 
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
-               const void *value)
+static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
        int ret;
 
        devc = sdi->priv;
 
-       if (hwcap == SR_HWCAP_SAMPLERATE) {
+       if (id == SR_CONF_SAMPLERATE) {
                devc->cur_samplerate = *(const uint64_t *)value;
                ret = SR_OK;
-       } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) {
+       } else if (id == SR_CONF_LIMIT_SAMPLES) {
                devc->limit_samples = *(const uint64_t *)value;
                ret = SR_OK;
        } else {
@@ -653,6 +631,28 @@ static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
        return ret;
 }
 
+static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
+{
+
+       (void)sdi;
+
+       switch (key) {
+       case SR_CONF_DEVICE_OPTIONS:
+               *data = hwcaps;
+               break;
+       case SR_CONF_SAMPLERATE:
+               *data = &samplerates;
+               break;
+       case SR_CONF_TRIGGER_TYPE:
+               *data = TRIGGER_TYPE;
+               break;
+       default:
+               return SR_ERR_ARG;
+       }
+
+       return SR_OK;
+}
+
 static int receive_data(int fd, int revents, void *cb_data)
 {
        struct timeval tv;
@@ -1025,10 +1025,11 @@ SR_PRIV struct sr_dev_driver fx2lafw_driver_info = {
        .scan = hw_scan,
        .dev_list = hw_dev_list,
        .dev_clear = clear_instances,
+       .config_get = config_get,
+       .config_set = config_set,
+       .config_list = config_list,
        .dev_open = hw_dev_open,
        .dev_close = hw_dev_close,
-       .info_get = hw_info_get,
-       .dev_config_set = hw_dev_config_set,
        .dev_acquisition_start = hw_dev_acquisition_start,
        .dev_acquisition_stop = hw_dev_acquisition_stop,
        .priv = NULL,