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bcwc_pcie: add channel pointer to private struct

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This commit is contained in:
Sven Schnelle
2015-10-26 21:11:30 +01:00
parent a3f7381da8
commit e9abeff9fb
2 changed files with 34 additions and 0 deletions
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8
bcwc_drv.h
View File

@@ -77,6 +77,14 @@ struct bcwc_private {
/* Firmware channels */
int num_channels;
struct fw_channel **channels;
struct fw_channel *channel_terminal;
struct fw_channel *channel_io;
struct fw_channel *channel_debug;
struct fw_channel *channel_buf_h2t;
struct fw_channel *channel_buf_t2h;
struct fw_channel *channel_shared_malloc;
struct fw_channel *channel_io_t2h;
};
#endif

26
isp.c
View File

@@ -192,6 +192,16 @@ static void isp_free_channel_info(struct bcwc_private *priv)
priv->channels = NULL;
}
static struct fw_channel *isp_get_chan_index(struct bcwc_private *priv, const char *name)
{
int i;
for(i = 0; i < priv->num_channels; i++) {
if (!strcasecmp(priv->channels[i]->name, name))
return priv->channels[i];
}
return NULL;
}
static int isp_fill_channel_info(struct bcwc_private *priv, int offset, int num_channels)
{
struct isp_channel_info *info;
@@ -227,6 +237,22 @@ static int isp_fill_channel_info(struct bcwc_private *priv, int offset, int num_
chan->size = info->size;
chan->offset = info->offset;
}
priv->channel_terminal = isp_get_chan_index(priv, "TERMINAL");
priv->channel_debug = isp_get_chan_index(priv, "DEBUG");
priv->channel_shared_malloc = isp_get_chan_index(priv, "SHAREDMALLOC");
priv->channel_io = isp_get_chan_index(priv, "IO");
priv->channel_buf_h2t = isp_get_chan_index(priv, "BUF_H2T");
priv->channel_buf_t2h = isp_get_chan_index(priv, "BUF_T2H");
priv->channel_io_t2h = isp_get_chan_index(priv, "IO_T2H");
if (!priv->channel_terminal || !priv->channel_debug
|| !priv->channel_shared_malloc || !priv->channel_io
|| !priv->channel_buf_h2t || !priv->channel_buf_t2h
|| !priv->channel_io_t2h) {
dev_err(&priv->pdev->dev, "did not find all of the required channels\n");
goto out;
}
return 0;
out:
isp_free_channel_info(priv);