Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 153 insertions, 0 deletions

diff --git a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.h b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.h
new file mode 100644
index 0000000000..03e2f4e0ba
--- /dev/null
+++ b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.h
@@ -0,0 +1,153 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright 2019 NXP */
+
+#ifndef __DPAA2_QDMA_H
+#define __DPAA2_QDMA_H
+
+#define DPAA2_QDMA_STORE_SIZE 16
+#define NUM_CH 8
+
+struct dpaa2_qdma_sd_d {
+	u32 rsv:32;
+	union {
+		struct {
+			u32 ssd:12; /* souce stride distance */
+			u32 sss:12; /* souce stride size */
+			u32 rsv1:8;
+		} sdf;
+		struct {
+			u32 dsd:12; /* Destination stride distance */
+			u32 dss:12; /* Destination stride size */
+			u32 rsv2:8;
+		} ddf;
+	} df;
+	u32 rbpcmd;	/* Route-by-port command */
+	u32 cmd;
+} __attribute__((__packed__));
+
+/* Source descriptor command read transaction type for RBP=0: */
+/* coherent copy of cacheable memory */
+#define QDMA_SD_CMD_RDTTYPE_COHERENT (0xb << 28)
+/* Destination descriptor command write transaction type for RBP=0: */
+/* coherent copy of cacheable memory */
+#define QDMA_DD_CMD_WRTTYPE_COHERENT (0x6 << 28)
+#define LX2160_QDMA_DD_CMD_WRTTYPE_COHERENT (0xb << 28)
+
+#define QMAN_FD_FMT_ENABLE	BIT(0) /* frame list table enable */
+#define QMAN_FD_BMT_ENABLE	BIT(15) /* bypass memory translation */
+#define QMAN_FD_BMT_DISABLE	(0) /* bypass memory translation */
+#define QMAN_FD_SL_DISABLE	(0) /* short lengthe disabled */
+#define QMAN_FD_SL_ENABLE	BIT(14) /* short lengthe enabled */
+
+#define QDMA_FINAL_BIT_DISABLE	(0) /* final bit disable */
+#define QDMA_FINAL_BIT_ENABLE	BIT(31) /* final bit enable */
+
+#define QDMA_FD_SHORT_FORMAT	BIT(11) /* short format */
+#define QDMA_FD_LONG_FORMAT	(0) /* long format */
+#define QDMA_SER_DISABLE	(8) /* no notification */
+#define QDMA_SER_CTX		BIT(8) /* notification by FQD_CTX[fqid] */
+#define QDMA_SER_DEST		(2 << 8) /* notification by destination desc */
+#define QDMA_SER_BOTH		(3 << 8) /* soruce and dest notification */
+#define QDMA_FD_SPF_ENALBE	BIT(30) /* source prefetch enable */
+
+#define QMAN_FD_VA_ENABLE	BIT(14) /* Address used is virtual address */
+#define QMAN_FD_VA_DISABLE	(0)/* Address used is a real address */
+/* Flow Context: 49bit physical address */
+#define QMAN_FD_CBMT_ENABLE	BIT(15)
+#define QMAN_FD_CBMT_DISABLE	(0) /* Flow Context: 64bit virtual address */
+#define QMAN_FD_SC_DISABLE	(0) /* stashing control */
+
+#define QDMA_FL_FMT_SBF		(0x0) /* Single buffer frame */
+#define QDMA_FL_FMT_SGE		(0x2) /* Scatter gather frame */
+#define QDMA_FL_BMT_ENABLE	BIT(15) /* enable bypass memory translation */
+#define QDMA_FL_BMT_DISABLE	(0x0) /* enable bypass memory translation */
+#define QDMA_FL_SL_LONG		(0x0)/* long length */
+#define QDMA_FL_SL_SHORT	(0x1) /* short length */
+#define QDMA_FL_F		(0x1)/* last frame list bit */
+
+/*Description of Frame list table structure*/
+struct dpaa2_qdma_chan {
+	struct dpaa2_qdma_engine	*qdma;
+	struct virt_dma_chan		vchan;
+	struct virt_dma_desc		vdesc;
+	enum dma_status			status;
+	u32				fqid;
+
+	/* spinlock used by dpaa2 qdma driver */
+	spinlock_t			queue_lock;
+	struct dma_pool			*fd_pool;
+	struct dma_pool			*fl_pool;
+	struct dma_pool			*sdd_pool;
+
+	struct list_head		comp_used;
+	struct list_head		comp_free;
+
+};
+
+struct dpaa2_qdma_comp {
+	dma_addr_t		fd_bus_addr;
+	dma_addr_t		fl_bus_addr;
+	dma_addr_t		desc_bus_addr;
+	struct dpaa2_fd		*fd_virt_addr;
+	struct dpaa2_fl_entry	*fl_virt_addr;
+	struct dpaa2_qdma_sd_d	*desc_virt_addr;
+	struct dpaa2_qdma_chan	*qchan;
+	struct virt_dma_desc	vdesc;
+	struct list_head	list;
+};
+
+struct dpaa2_qdma_engine {
+	struct dma_device	dma_dev;
+	u32			n_chans;
+	struct dpaa2_qdma_chan	chans[NUM_CH];
+	int			qdma_wrtype_fixup;
+	int			desc_allocated;
+
+	struct dpaa2_qdma_priv *priv;
+};
+
+/*
+ * dpaa2_qdma_priv - driver private data
+ */
+struct dpaa2_qdma_priv {
+	int dpqdma_id;
+
+	struct iommu_domain	*iommu_domain;
+	struct dpdmai_attr	dpdmai_attr;
+	struct device		*dev;
+	struct fsl_mc_io	*mc_io;
+	struct fsl_mc_device	*dpdmai_dev;
+	u8			num_pairs;
+
+	struct dpaa2_qdma_engine	*dpaa2_qdma;
+	struct dpaa2_qdma_priv_per_prio	*ppriv;
+
+	struct dpdmai_rx_queue_attr rx_queue_attr[DPDMAI_PRIO_NUM];
+	u32 tx_fqid[DPDMAI_PRIO_NUM];
+};
+
+struct dpaa2_qdma_priv_per_prio {
+	int req_fqid;
+	int rsp_fqid;
+	int prio;
+
+	struct dpaa2_io_store *store;
+	struct dpaa2_io_notification_ctx nctx;
+
+	struct dpaa2_qdma_priv *priv;
+};
+
+static struct soc_device_attribute soc_fixup_tuning[] = {
+	{ .family = "QorIQ LX2160A"},
+	{ /* sentinel */ }
+};
+
+/* FD pool size: one FD + 3 Frame list + 2 source/destination descriptor */
+#define FD_POOL_SIZE (sizeof(struct dpaa2_fd) + \
+		sizeof(struct dpaa2_fl_entry) * 3 + \
+		sizeof(struct dpaa2_qdma_sd_d) * 2)
+
+static void dpaa2_dpdmai_free_channels(struct dpaa2_qdma_engine *dpaa2_qdma);
+static void dpaa2_dpdmai_free_comp(struct dpaa2_qdma_chan *qchan,
+				   struct list_head *head);
+#endif /* __DPAA2_QDMA_H */