drivers/gpu/ipu-v3/ipu-prv.h

   1 /*
   2  * Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>
   3  * Copyright (C) 2005-2009 Freescale Semiconductor, Inc.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15 #ifndef __IPU_PRV_H__
  16 #define __IPU_PRV_H__
  17
  18 struct ipu_soc;
  19
  20 #include <linux/types.h>
  21 #include <linux/device.h>
  22 #include <linux/clk.h>
  23 #include <linux/platform_device.h>
  24
  25 #include <video/imx-ipu-v3.h>
  26
  27 #define IPU_MCU_T_DEFAULT       8
  28 #define IPU_CM_IDMAC_REG_OFS    0x00008000
  29 #define IPU_CM_IC_REG_OFS       0x00020000
  30 #define IPU_CM_IRT_REG_OFS      0x00028000
  31 #define IPU_CM_CSI0_REG_OFS     0x00030000
  32 #define IPU_CM_CSI1_REG_OFS     0x00038000
  33 #define IPU_CM_SMFC_REG_OFS     0x00050000
  34 #define IPU_CM_DC_REG_OFS       0x00058000
  35 #define IPU_CM_DMFC_REG_OFS     0x00060000
  36
  37 /* Register addresses */
  38 /* IPU Common registers */
  39 #define IPU_CM_REG(offset)      (offset)
  40
  41 #define IPU_CONF                        IPU_CM_REG(0)
  42
  43 #define IPU_SRM_PRI1                    IPU_CM_REG(0x00a0)
  44 #define IPU_SRM_PRI2                    IPU_CM_REG(0x00a4)
  45 #define IPU_FS_PROC_FLOW1               IPU_CM_REG(0x00a8)
  46 #define IPU_FS_PROC_FLOW2               IPU_CM_REG(0x00ac)
  47 #define IPU_FS_PROC_FLOW3               IPU_CM_REG(0x00b0)
  48 #define IPU_FS_DISP_FLOW1               IPU_CM_REG(0x00b4)
  49 #define IPU_FS_DISP_FLOW2               IPU_CM_REG(0x00b8)
  50 #define IPU_SKIP                        IPU_CM_REG(0x00bc)
  51 #define IPU_DISP_ALT_CONF               IPU_CM_REG(0x00c0)
  52 #define IPU_DISP_GEN                    IPU_CM_REG(0x00c4)
  53 #define IPU_DISP_ALT1                   IPU_CM_REG(0x00c8)
  54 #define IPU_DISP_ALT2                   IPU_CM_REG(0x00cc)
  55 #define IPU_DISP_ALT3                   IPU_CM_REG(0x00d0)
  56 #define IPU_DISP_ALT4                   IPU_CM_REG(0x00d4)
  57 #define IPU_SNOOP                       IPU_CM_REG(0x00d8)
  58 #define IPU_MEM_RST                     IPU_CM_REG(0x00dc)
  59 #define IPU_PM                          IPU_CM_REG(0x00e0)
  60 #define IPU_GPR                         IPU_CM_REG(0x00e4)
  61 #define IPU_CHA_DB_MODE_SEL(ch)         IPU_CM_REG(0x0150 + 4 * ((ch) / 32))
  62 #define IPU_ALT_CHA_DB_MODE_SEL(ch)     IPU_CM_REG(0x0168 + 4 * ((ch) / 32))
  63 #define IPU_CHA_CUR_BUF(ch)             IPU_CM_REG(0x023C + 4 * ((ch) / 32))
  64 #define IPU_ALT_CUR_BUF0                IPU_CM_REG(0x0244)
  65 #define IPU_ALT_CUR_BUF1                IPU_CM_REG(0x0248)
  66 #define IPU_SRM_STAT                    IPU_CM_REG(0x024C)
  67 #define IPU_PROC_TASK_STAT              IPU_CM_REG(0x0250)
  68 #define IPU_DISP_TASK_STAT              IPU_CM_REG(0x0254)
  69 #define IPU_CHA_BUF0_RDY(ch)            IPU_CM_REG(0x0268 + 4 * ((ch) / 32))
  70 #define IPU_CHA_BUF1_RDY(ch)            IPU_CM_REG(0x0270 + 4 * ((ch) / 32))
  71 #define IPU_CHA_BUF2_RDY(ch)            IPU_CM_REG(0x0288 + 4 * ((ch) / 32))
  72 #define IPU_ALT_CHA_BUF0_RDY(ch)        IPU_CM_REG(0x0278 + 4 * ((ch) / 32))
  73 #define IPU_ALT_CHA_BUF1_RDY(ch)        IPU_CM_REG(0x0280 + 4 * ((ch) / 32))
  74
  75 #define IPU_INT_CTRL(n)         IPU_CM_REG(0x003C + 4 * (n))
  76 #define IPU_INT_STAT(n)         IPU_CM_REG(0x0200 + 4 * (n))
  77
  78 #define IPU_DI0_COUNTER_RELEASE                 (1 << 24)
  79 #define IPU_DI1_COUNTER_RELEASE                 (1 << 25)
  80
  81 #define IPU_IDMAC_REG(offset)   (offset)
  82
  83 #define IDMAC_CONF                      IPU_IDMAC_REG(0x0000)
  84 #define IDMAC_CHA_EN(ch)                IPU_IDMAC_REG(0x0004 + 4 * ((ch) / 32))
  85 #define IDMAC_SEP_ALPHA                 IPU_IDMAC_REG(0x000c)
  86 #define IDMAC_ALT_SEP_ALPHA             IPU_IDMAC_REG(0x0010)
  87 #define IDMAC_CHA_PRI(ch)               IPU_IDMAC_REG(0x0014 + 4 * ((ch) / 32))
  88 #define IDMAC_WM_EN(ch)                 IPU_IDMAC_REG(0x001c + 4 * ((ch) / 32))
  89 #define IDMAC_CH_LOCK_EN_1              IPU_IDMAC_REG(0x0024)
  90 #define IDMAC_CH_LOCK_EN_2              IPU_IDMAC_REG(0x0028)
  91 #define IDMAC_SUB_ADDR_0                IPU_IDMAC_REG(0x002c)
  92 #define IDMAC_SUB_ADDR_1                IPU_IDMAC_REG(0x0030)
  93 #define IDMAC_SUB_ADDR_2                IPU_IDMAC_REG(0x0034)
  94 #define IDMAC_BAND_EN(ch)               IPU_IDMAC_REG(0x0040 + 4 * ((ch) / 32))
  95 #define IDMAC_CHA_BUSY(ch)              IPU_IDMAC_REG(0x0100 + 4 * ((ch) / 32))
  96
  97 #define IPU_NUM_IRQS    (32 * 15)
  98
  99 enum ipu_modules {
 100         IPU_CONF_CSI0_EN                = (1 << 0),
 101         IPU_CONF_CSI1_EN                = (1 << 1),
 102         IPU_CONF_IC_EN                  = (1 << 2),
 103         IPU_CONF_ROT_EN                 = (1 << 3),
 104         IPU_CONF_ISP_EN                 = (1 << 4),
 105         IPU_CONF_DP_EN                  = (1 << 5),
 106         IPU_CONF_DI0_EN                 = (1 << 6),
 107         IPU_CONF_DI1_EN                 = (1 << 7),
 108         IPU_CONF_SMFC_EN                = (1 << 8),
 109         IPU_CONF_DC_EN                  = (1 << 9),
 110         IPU_CONF_DMFC_EN                = (1 << 10),
 111
 112         IPU_CONF_VDI_EN                 = (1 << 12),
 113
 114         IPU_CONF_IDMAC_DIS              = (1 << 22),
 115
 116         IPU_CONF_IC_DMFC_SEL            = (1 << 25),
 117         IPU_CONF_IC_DMFC_SYNC           = (1 << 26),
 118         IPU_CONF_VDI_DMFC_SYNC          = (1 << 27),
 119
 120         IPU_CONF_CSI0_DATA_SOURCE       = (1 << 28),
 121         IPU_CONF_CSI1_DATA_SOURCE       = (1 << 29),
 122         IPU_CONF_IC_INPUT               = (1 << 30),
 123         IPU_CONF_CSI_SEL                = (1 << 31),
 124 };
 125
 126 struct ipuv3_channel {
 127         unsigned int num;
 128
 129         bool enabled;
 130         bool busy;
 131
 132         struct ipu_soc *ipu;
 133 };
 134
 135 struct ipu_cpmem;
 136 struct ipu_csi;
 137 struct ipu_dc_priv;
 138 struct ipu_dmfc_priv;
 139 struct ipu_di;
 140 struct ipu_ic_priv;
 141 struct ipu_smfc_priv;
 142
 143 struct ipu_devtype;
 144
 145 struct ipu_soc {
 146         struct device           *dev;
 147         const struct ipu_devtype        *devtype;
 148         enum ipuv3_type         ipu_type;
 149         spinlock_t              lock;
 150         struct mutex            channel_lock;
 151
 152         void __iomem            *cm_reg;
 153         void __iomem            *idmac_reg;
 154
 155         int                     usecount;
 156
 157         struct clk              *clk;
 158
 159         struct ipuv3_channel    channel[64];
 160
 161         int                     irq_sync;
 162         int                     irq_err;
 163         struct irq_domain       *domain;
 164
 165         struct ipu_cpmem        *cpmem_priv;
 166         struct ipu_dc_priv      *dc_priv;
 167         struct ipu_dp_priv      *dp_priv;
 168         struct ipu_dmfc_priv    *dmfc_priv;
 169         struct ipu_di           *di_priv[2];
 170         struct ipu_csi          *csi_priv[2];
 171         struct ipu_ic_priv      *ic_priv;
 172         struct ipu_smfc_priv    *smfc_priv;
 173 };
 174
 175 static inline u32 ipu_idmac_read(struct ipu_soc *ipu, unsigned offset)
 176 {
 177         return readl(ipu->idmac_reg + offset);
 178 }
 179
 180 static inline void ipu_idmac_write(struct ipu_soc *ipu, u32 value,
 181                                    unsigned offset)
 182 {
 183         writel(value, ipu->idmac_reg + offset);
 184 }
 185
 186 void ipu_srm_dp_sync_update(struct ipu_soc *ipu);
 187
 188 int ipu_module_enable(struct ipu_soc *ipu, u32 mask);
 189 int ipu_module_disable(struct ipu_soc *ipu, u32 mask);
 190
 191 bool ipu_idmac_channel_busy(struct ipu_soc *ipu, unsigned int chno);
 192 int ipu_wait_interrupt(struct ipu_soc *ipu, int irq, int ms);
 193
 194 int ipu_csi_init(struct ipu_soc *ipu, struct device *dev, int id,
 195                  unsigned long base, u32 module, struct clk *clk_ipu);
 196 void ipu_csi_exit(struct ipu_soc *ipu, int id);
 197
 198 int ipu_ic_init(struct ipu_soc *ipu, struct device *dev,
 199                 unsigned long base, unsigned long tpmem_base);
 200 void ipu_ic_exit(struct ipu_soc *ipu);
 201
 202 int ipu_di_init(struct ipu_soc *ipu, struct device *dev, int id,
 203                 unsigned long base, u32 module, struct clk *ipu_clk);
 204 void ipu_di_exit(struct ipu_soc *ipu, int id);
 205
 206 int ipu_dmfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base,
 207                 struct clk *ipu_clk);
 208 void ipu_dmfc_exit(struct ipu_soc *ipu);
 209
 210 int ipu_dp_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
 211 void ipu_dp_exit(struct ipu_soc *ipu);
 212
 213 int ipu_dc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base,
 214                 unsigned long template_base);
 215 void ipu_dc_exit(struct ipu_soc *ipu);
 216
 217 int ipu_cpmem_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
 218 void ipu_cpmem_exit(struct ipu_soc *ipu);
 219
 220 int ipu_smfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
 221 void ipu_smfc_exit(struct ipu_soc *ipu);
 222
 223 #endif                          /* __IPU_PRV_H__ */