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 IPUV3_CHANNEL_CSI0                       0
  28 #define IPUV3_CHANNEL_CSI1                       1
  29 #define IPUV3_CHANNEL_CSI2                       2
  30 #define IPUV3_CHANNEL_CSI3                       3
  31 #define IPUV3_CHANNEL_VDI_MEM_IC_VF              5
  32 #define IPUV3_CHANNEL_MEM_IC_PP                 11
  33 #define IPUV3_CHANNEL_MEM_IC_PRP_VF             12
  34 #define IPUV3_CHANNEL_G_MEM_IC_PRP_VF           14
  35 #define IPUV3_CHANNEL_G_MEM_IC_PP               15
  36 #define IPUV3_CHANNEL_IC_PRP_ENC_MEM            20
  37 #define IPUV3_CHANNEL_IC_PRP_VF_MEM             21
  38 #define IPUV3_CHANNEL_IC_PP_MEM                 22
  39 #define IPUV3_CHANNEL_MEM_BG_SYNC               23
  40 #define IPUV3_CHANNEL_MEM_FG_SYNC               27
  41 #define IPUV3_CHANNEL_MEM_DC_SYNC               28
  42 #define IPUV3_CHANNEL_MEM_FG_SYNC_ALPHA         31
  43 #define IPUV3_CHANNEL_MEM_DC_ASYNC              41
  44 #define IPUV3_CHANNEL_MEM_ROT_ENC               45
  45 #define IPUV3_CHANNEL_MEM_ROT_VF                46
  46 #define IPUV3_CHANNEL_MEM_ROT_PP                47
  47 #define IPUV3_CHANNEL_ROT_ENC_MEM               48
  48 #define IPUV3_CHANNEL_ROT_VF_MEM                49
  49 #define IPUV3_CHANNEL_ROT_PP_MEM                50
  50 #define IPUV3_CHANNEL_MEM_BG_SYNC_ALPHA         51
  51
  52 #define IPU_MCU_T_DEFAULT       8
  53 #define IPU_CM_IDMAC_REG_OFS    0x00008000
  54 #define IPU_CM_IC_REG_OFS       0x00020000
  55 #define IPU_CM_IRT_REG_OFS      0x00028000
  56 #define IPU_CM_CSI0_REG_OFS     0x00030000
  57 #define IPU_CM_CSI1_REG_OFS     0x00038000
  58 #define IPU_CM_SMFC_REG_OFS     0x00050000
  59 #define IPU_CM_DC_REG_OFS       0x00058000
  60 #define IPU_CM_DMFC_REG_OFS     0x00060000
  61
  62 /* Register addresses */
  63 /* IPU Common registers */
  64 #define IPU_CM_REG(offset)      (offset)
  65
  66 #define IPU_CONF                        IPU_CM_REG(0)
  67
  68 #define IPU_SRM_PRI1                    IPU_CM_REG(0x00a0)
  69 #define IPU_SRM_PRI2                    IPU_CM_REG(0x00a4)
  70 #define IPU_FS_PROC_FLOW1               IPU_CM_REG(0x00a8)
  71 #define IPU_FS_PROC_FLOW2               IPU_CM_REG(0x00ac)
  72 #define IPU_FS_PROC_FLOW3               IPU_CM_REG(0x00b0)
  73 #define IPU_FS_DISP_FLOW1               IPU_CM_REG(0x00b4)
  74 #define IPU_FS_DISP_FLOW2               IPU_CM_REG(0x00b8)
  75 #define IPU_SKIP                        IPU_CM_REG(0x00bc)
  76 #define IPU_DISP_ALT_CONF               IPU_CM_REG(0x00c0)
  77 #define IPU_DISP_GEN                    IPU_CM_REG(0x00c4)
  78 #define IPU_DISP_ALT1                   IPU_CM_REG(0x00c8)
  79 #define IPU_DISP_ALT2                   IPU_CM_REG(0x00cc)
  80 #define IPU_DISP_ALT3                   IPU_CM_REG(0x00d0)
  81 #define IPU_DISP_ALT4                   IPU_CM_REG(0x00d4)
  82 #define IPU_SNOOP                       IPU_CM_REG(0x00d8)
  83 #define IPU_MEM_RST                     IPU_CM_REG(0x00dc)
  84 #define IPU_PM                          IPU_CM_REG(0x00e0)
  85 #define IPU_GPR                         IPU_CM_REG(0x00e4)
  86 #define IPU_CHA_DB_MODE_SEL(ch)         IPU_CM_REG(0x0150 + 4 * ((ch) / 32))
  87 #define IPU_ALT_CHA_DB_MODE_SEL(ch)     IPU_CM_REG(0x0168 + 4 * ((ch) / 32))
  88 #define IPU_CHA_CUR_BUF(ch)             IPU_CM_REG(0x023C + 4 * ((ch) / 32))
  89 #define IPU_ALT_CUR_BUF0                IPU_CM_REG(0x0244)
  90 #define IPU_ALT_CUR_BUF1                IPU_CM_REG(0x0248)
  91 #define IPU_SRM_STAT                    IPU_CM_REG(0x024C)
  92 #define IPU_PROC_TASK_STAT              IPU_CM_REG(0x0250)
  93 #define IPU_DISP_TASK_STAT              IPU_CM_REG(0x0254)
  94 #define IPU_CHA_BUF0_RDY(ch)            IPU_CM_REG(0x0268 + 4 * ((ch) / 32))
  95 #define IPU_CHA_BUF1_RDY(ch)            IPU_CM_REG(0x0270 + 4 * ((ch) / 32))
  96 #define IPU_ALT_CHA_BUF0_RDY(ch)        IPU_CM_REG(0x0278 + 4 * ((ch) / 32))
  97 #define IPU_ALT_CHA_BUF1_RDY(ch)        IPU_CM_REG(0x0280 + 4 * ((ch) / 32))
  98
  99 #define IPU_INT_CTRL(n)         IPU_CM_REG(0x003C + 4 * (n))
 100 #define IPU_INT_STAT(n)         IPU_CM_REG(0x0200 + 4 * (n))
 101
 102 #define IPU_DI0_COUNTER_RELEASE                 (1 << 24)
 103 #define IPU_DI1_COUNTER_RELEASE                 (1 << 25)
 104
 105 #define IPU_IDMAC_REG(offset)   (offset)
 106
 107 #define IDMAC_CONF                      IPU_IDMAC_REG(0x0000)
 108 #define IDMAC_CHA_EN(ch)                IPU_IDMAC_REG(0x0004 + 4 * ((ch) / 32))
 109 #define IDMAC_SEP_ALPHA                 IPU_IDMAC_REG(0x000c)
 110 #define IDMAC_ALT_SEP_ALPHA             IPU_IDMAC_REG(0x0010)
 111 #define IDMAC_CHA_PRI(ch)               IPU_IDMAC_REG(0x0014 + 4 * ((ch) / 32))
 112 #define IDMAC_WM_EN(ch)                 IPU_IDMAC_REG(0x001c + 4 * ((ch) / 32))
 113 #define IDMAC_CH_LOCK_EN_1              IPU_IDMAC_REG(0x0024)
 114 #define IDMAC_CH_LOCK_EN_2              IPU_IDMAC_REG(0x0028)
 115 #define IDMAC_SUB_ADDR_0                IPU_IDMAC_REG(0x002c)
 116 #define IDMAC_SUB_ADDR_1                IPU_IDMAC_REG(0x0030)
 117 #define IDMAC_SUB_ADDR_2                IPU_IDMAC_REG(0x0034)
 118 #define IDMAC_BAND_EN(ch)               IPU_IDMAC_REG(0x0040 + 4 * ((ch) / 32))
 119 #define IDMAC_CHA_BUSY(ch)              IPU_IDMAC_REG(0x0100 + 4 * ((ch) / 32))
 120
 121 #define IPU_NUM_IRQS    (32 * 15)
 122
 123 enum ipu_modules {
 124         IPU_CONF_CSI0_EN                = (1 << 0),
 125         IPU_CONF_CSI1_EN                = (1 << 1),
 126         IPU_CONF_IC_EN                  = (1 << 2),
 127         IPU_CONF_ROT_EN                 = (1 << 3),
 128         IPU_CONF_ISP_EN                 = (1 << 4),
 129         IPU_CONF_DP_EN                  = (1 << 5),
 130         IPU_CONF_DI0_EN                 = (1 << 6),
 131         IPU_CONF_DI1_EN                 = (1 << 7),
 132         IPU_CONF_SMFC_EN                = (1 << 8),
 133         IPU_CONF_DC_EN                  = (1 << 9),
 134         IPU_CONF_DMFC_EN                = (1 << 10),
 135
 136         IPU_CONF_VDI_EN                 = (1 << 12),
 137
 138         IPU_CONF_IDMAC_DIS              = (1 << 22),
 139
 140         IPU_CONF_IC_DMFC_SEL            = (1 << 25),
 141         IPU_CONF_IC_DMFC_SYNC           = (1 << 26),
 142         IPU_CONF_VDI_DMFC_SYNC          = (1 << 27),
 143
 144         IPU_CONF_CSI0_DATA_SOURCE       = (1 << 28),
 145         IPU_CONF_CSI1_DATA_SOURCE       = (1 << 29),
 146         IPU_CONF_IC_INPUT               = (1 << 30),
 147         IPU_CONF_CSI_SEL                = (1 << 31),
 148 };
 149
 150 struct ipuv3_channel {
 151         unsigned int num;
 152
 153         bool enabled;
 154         bool busy;
 155
 156         struct ipu_soc *ipu;
 157 };
 158
 159 struct ipu_cpmem;
 160 struct ipu_csi;
 161 struct ipu_dc_priv;
 162 struct ipu_dmfc_priv;
 163 struct ipu_di;
 164 struct ipu_smfc_priv;
 165
 166 struct ipu_devtype;
 167
 168 struct ipu_soc {
 169         struct device           *dev;
 170         const struct ipu_devtype        *devtype;
 171         enum ipuv3_type         ipu_type;
 172         spinlock_t              lock;
 173         struct mutex            channel_lock;
 174
 175         void __iomem            *cm_reg;
 176         void __iomem            *idmac_reg;
 177
 178         int                     usecount;
 179
 180         struct clk              *clk;
 181
 182         struct ipuv3_channel    channel[64];
 183
 184         int                     irq_sync;
 185         int                     irq_err;
 186         struct irq_domain       *domain;
 187
 188         struct ipu_cpmem        *cpmem_priv;
 189         struct ipu_dc_priv      *dc_priv;
 190         struct ipu_dp_priv      *dp_priv;
 191         struct ipu_dmfc_priv    *dmfc_priv;
 192         struct ipu_di           *di_priv[2];
 193         struct ipu_csi          *csi_priv[2];
 194         struct ipu_smfc_priv    *smfc_priv;
 195 };
 196
 197 static inline u32 ipu_idmac_read(struct ipu_soc *ipu, unsigned offset)
 198 {
 199         return readl(ipu->idmac_reg + offset);
 200 }
 201
 202 static inline void ipu_idmac_write(struct ipu_soc *ipu, u32 value,
 203                                    unsigned offset)
 204 {
 205         writel(value, ipu->idmac_reg + offset);
 206 }
 207
 208 void ipu_srm_dp_sync_update(struct ipu_soc *ipu);
 209
 210 int ipu_module_enable(struct ipu_soc *ipu, u32 mask);
 211 int ipu_module_disable(struct ipu_soc *ipu, u32 mask);
 212
 213 bool ipu_idmac_channel_busy(struct ipu_soc *ipu, unsigned int chno);
 214 int ipu_wait_interrupt(struct ipu_soc *ipu, int irq, int ms);
 215
 216 int ipu_csi_init(struct ipu_soc *ipu, struct device *dev, int id,
 217                  unsigned long base, u32 module, struct clk *clk_ipu);
 218 void ipu_csi_exit(struct ipu_soc *ipu, int id);
 219
 220 int ipu_di_init(struct ipu_soc *ipu, struct device *dev, int id,
 221                 unsigned long base, u32 module, struct clk *ipu_clk);
 222 void ipu_di_exit(struct ipu_soc *ipu, int id);
 223
 224 int ipu_dmfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base,
 225                 struct clk *ipu_clk);
 226 void ipu_dmfc_exit(struct ipu_soc *ipu);
 227
 228 int ipu_dp_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
 229 void ipu_dp_exit(struct ipu_soc *ipu);
 230
 231 int ipu_dc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base,
 232                 unsigned long template_base);
 233 void ipu_dc_exit(struct ipu_soc *ipu);
 234
 235 int ipu_cpmem_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
 236 void ipu_cpmem_exit(struct ipu_soc *ipu);
 237
 238 int ipu_smfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
 239 void ipu_smfc_exit(struct ipu_soc *ipu);
 240
 241 #endif                          /* __IPU_PRV_H__ */