struct ipu_dc_priv;
struct ipu_dmfc_priv;
struct ipu_di;
+struct ipu_smfc_priv;
+
struct ipu_devtype;
struct ipu_soc {
struct ipu_dp_priv *dp_priv;
struct ipu_dmfc_priv *dmfc_priv;
struct ipu_di *di_priv[2];
+ struct ipu_smfc_priv *smfc_priv;
};
void ipu_srm_dp_sync_update(struct ipu_soc *ipu);
int ipu_cpmem_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
void ipu_cpmem_exit(struct ipu_soc *ipu);
+int ipu_smfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
+void ipu_smfc_exit(struct ipu_soc *ipu);
+
#endif /* __IPU_PRV_H__ */
--- /dev/null
+/*
+ * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+#define DEBUG
+#include <linux/export.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/errno.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <video/imx-ipu-v3.h>
+
+#include "ipu-prv.h"
+
+struct ipu_smfc_priv {
+ void __iomem *base;
+ spinlock_t lock;
+};
+
+/*SMFC Registers */
+#define SMFC_MAP 0x0000
+#define SMFC_WMC 0x0004
+#define SMFC_BS 0x0008
+
+int ipu_smfc_set_burstsize(struct ipu_soc *ipu, int channel, int burstsize)
+{
+ struct ipu_smfc_priv *smfc = ipu->smfc_priv;
+ unsigned long flags;
+ u32 val, shift;
+
+ spin_lock_irqsave(&smfc->lock, flags);
+
+ shift = channel * 4;
+ val = readl(smfc->base + SMFC_BS);
+ val &= ~(0xf << shift);
+ val |= burstsize << shift;
+ writel(val, smfc->base + SMFC_BS);
+
+ spin_unlock_irqrestore(&smfc->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ipu_smfc_set_burstsize);
+
+int ipu_smfc_map_channel(struct ipu_soc *ipu, int channel, int csi_id, int mipi_id)
+{
+ struct ipu_smfc_priv *smfc = ipu->smfc_priv;
+ unsigned long flags;
+ u32 val, shift;
+
+ spin_lock_irqsave(&smfc->lock, flags);
+
+ shift = channel * 3;
+ val = readl(smfc->base + SMFC_MAP);
+ val &= ~(0x7 << shift);
+ val |= ((csi_id << 2) | mipi_id) << shift;
+ writel(val, smfc->base + SMFC_MAP);
+
+ spin_unlock_irqrestore(&smfc->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ipu_smfc_map_channel);
+
+int ipu_smfc_init(struct ipu_soc *ipu, struct device *dev,
+ unsigned long base)
+{
+ struct ipu_smfc_priv *smfc;
+
+ smfc = devm_kzalloc(dev, sizeof(*smfc), GFP_KERNEL);
+ if (!smfc)
+ return -ENOMEM;
+
+ ipu->smfc_priv = smfc;
+ spin_lock_init(&smfc->lock);
+
+ smfc->base = devm_ioremap(dev, base, PAGE_SIZE);
+ if (!smfc->base)
+ return -ENOMEM;
+
+ pr_debug("%s: ioremap 0x%08lx -> %p\n", __func__, base, smfc->base);
+
+ return 0;
+}
+
+void ipu_smfc_exit(struct ipu_soc *ipu)
+{
+}
int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
bool bg_chan);
+/*
+ * IPU Sensor Multiple FIFO Controller (SMFC) functions
+ */
+int ipu_smfc_map_channel(struct ipu_soc *ipu, int channel, int csi_id, int mipi_id);
+int ipu_smfc_set_burstsize(struct ipu_soc *ipu, int channel, int burstsize);
+
#define IPU_CPMEM_WORD(word, ofs, size) ((((word) * 160 + (ofs)) << 8) | (size))
#define IPU_FIELD_UBO IPU_CPMEM_WORD(0, 46, 22)