misc: mic: MIC card driver specific changes to enable SCIF
MIC card driver specific changes to enable SCIF. This patch implements
the SCIF hardware bus operations and registers a SCIF device on the
SCIF hardware bus.
Reviewed-by: Nikhil Rao <nikhil.rao@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/mic/card/mic_device.h b/drivers/misc/mic/card/mic_device.h
index 844be8f..1dbf83c 100644
--- a/drivers/misc/mic/card/mic_device.h
+++ b/drivers/misc/mic/card/mic_device.h
@@ -29,9 +29,9 @@
#include <linux/workqueue.h>
#include <linux/io.h>
-#include <linux/irqreturn.h>
#include <linux/interrupt.h>
#include <linux/mic_bus.h>
+#include "../bus/scif_bus.h"
/**
* struct mic_intr_info - Contains h/w specific interrupt sources info
@@ -73,6 +73,9 @@
* @irq_info: The OS specific irq information
* @intr_info: H/W specific interrupt information.
* @dma_mbdev: dma device on the MIC virtual bus.
+ * @dma_ch - Array of DMA channels
+ * @num_dma_ch - Number of DMA channels available
+ * @scdev: SCIF device on the SCIF virtual bus.
*/
struct mic_driver {
char name[20];
@@ -84,6 +87,9 @@
struct mic_irq_info irq_info;
struct mic_intr_info intr_info;
struct mbus_device *dma_mbdev;
+ struct dma_chan *dma_ch[MIC_MAX_DMA_CHAN];
+ int num_dma_ch;
+ struct scif_hw_dev *scdev;
};
/**
@@ -122,10 +128,11 @@
int mic_next_card_db(void);
struct mic_irq *
mic_request_card_irq(irq_handler_t handler, irq_handler_t thread_fn,
- const char *name, void *data, int intr_src);
+ const char *name, void *data, int db);
void mic_free_card_irq(struct mic_irq *cookie, void *data);
u32 mic_read_spad(struct mic_device *mdev, unsigned int idx);
void mic_send_intr(struct mic_device *mdev, int doorbell);
+void mic_send_p2p_intr(int doorbell, struct mic_mw *mw);
int mic_db_to_irq(struct mic_driver *mdrv, int db);
u32 mic_ack_interrupt(struct mic_device *mdev);
void mic_hw_intr_init(struct mic_driver *mdrv);