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_MEM_BG_SYNC 23 32 #define IPUV3_CHANNEL_MEM_FG_SYNC 27 33 #define IPUV3_CHANNEL_MEM_DC_SYNC 28 34 #define IPUV3_CHANNEL_MEM_FG_SYNC_ALPHA 31 35 #define IPUV3_CHANNEL_MEM_DC_ASYNC 41 36 #define IPUV3_CHANNEL_ROT_ENC_MEM 45 37 #define IPUV3_CHANNEL_ROT_VF_MEM 46 38 #define IPUV3_CHANNEL_ROT_PP_MEM 47 39 #define IPUV3_CHANNEL_ROT_ENC_MEM_OUT 48 40 #define IPUV3_CHANNEL_ROT_VF_MEM_OUT 49 41 #define IPUV3_CHANNEL_ROT_PP_MEM_OUT 50 42 #define IPUV3_CHANNEL_MEM_BG_SYNC_ALPHA 51 43 44 #define IPU_MCU_T_DEFAULT 8 45 #define IPU_CM_IDMAC_REG_OFS 0x00008000 46 #define IPU_CM_IC_REG_OFS 0x00020000 47 #define IPU_CM_IRT_REG_OFS 0x00028000 48 #define IPU_CM_CSI0_REG_OFS 0x00030000 49 #define IPU_CM_CSI1_REG_OFS 0x00038000 50 #define IPU_CM_SMFC_REG_OFS 0x00050000 51 #define IPU_CM_DC_REG_OFS 0x00058000 52 #define IPU_CM_DMFC_REG_OFS 0x00060000 53 54 /* Register addresses */ 55 /* IPU Common registers */ 56 #define IPU_CM_REG(offset) (offset) 57 58 #define IPU_CONF IPU_CM_REG(0) 59 60 #define IPU_SRM_PRI1 IPU_CM_REG(0x00a0) 61 #define IPU_SRM_PRI2 IPU_CM_REG(0x00a4) 62 #define IPU_FS_PROC_FLOW1 IPU_CM_REG(0x00a8) 63 #define IPU_FS_PROC_FLOW2 IPU_CM_REG(0x00ac) 64 #define IPU_FS_PROC_FLOW3 IPU_CM_REG(0x00b0) 65 #define IPU_FS_DISP_FLOW1 IPU_CM_REG(0x00b4) 66 #define IPU_FS_DISP_FLOW2 IPU_CM_REG(0x00b8) 67 #define IPU_SKIP IPU_CM_REG(0x00bc) 68 #define IPU_DISP_ALT_CONF IPU_CM_REG(0x00c0) 69 #define IPU_DISP_GEN IPU_CM_REG(0x00c4) 70 #define IPU_DISP_ALT1 IPU_CM_REG(0x00c8) 71 #define IPU_DISP_ALT2 IPU_CM_REG(0x00cc) 72 #define IPU_DISP_ALT3 IPU_CM_REG(0x00d0) 73 #define IPU_DISP_ALT4 IPU_CM_REG(0x00d4) 74 #define IPU_SNOOP IPU_CM_REG(0x00d8) 75 #define IPU_MEM_RST IPU_CM_REG(0x00dc) 76 #define IPU_PM IPU_CM_REG(0x00e0) 77 #define IPU_GPR IPU_CM_REG(0x00e4) 78 #define IPU_CHA_DB_MODE_SEL(ch) IPU_CM_REG(0x0150 + 4 * ((ch) / 32)) 79 #define IPU_ALT_CHA_DB_MODE_SEL(ch) IPU_CM_REG(0x0168 + 4 * ((ch) / 32)) 80 #define IPU_CHA_CUR_BUF(ch) IPU_CM_REG(0x023C + 4 * ((ch) / 32)) 81 #define IPU_ALT_CUR_BUF0 IPU_CM_REG(0x0244) 82 #define IPU_ALT_CUR_BUF1 IPU_CM_REG(0x0248) 83 #define IPU_SRM_STAT IPU_CM_REG(0x024C) 84 #define IPU_PROC_TASK_STAT IPU_CM_REG(0x0250) 85 #define IPU_DISP_TASK_STAT IPU_CM_REG(0x0254) 86 #define IPU_CHA_BUF0_RDY(ch) IPU_CM_REG(0x0268 + 4 * ((ch) / 32)) 87 #define IPU_CHA_BUF1_RDY(ch) IPU_CM_REG(0x0270 + 4 * ((ch) / 32)) 88 #define IPU_ALT_CHA_BUF0_RDY(ch) IPU_CM_REG(0x0278 + 4 * ((ch) / 32)) 89 #define IPU_ALT_CHA_BUF1_RDY(ch) IPU_CM_REG(0x0280 + 4 * ((ch) / 32)) 90 91 #define IPU_INT_CTRL(n) IPU_CM_REG(0x003C + 4 * (n)) 92 #define IPU_INT_STAT(n) IPU_CM_REG(0x0200 + 4 * (n)) 93 94 #define IPU_DI0_COUNTER_RELEASE (1 << 24) 95 #define IPU_DI1_COUNTER_RELEASE (1 << 25) 96 97 #define IPU_IDMAC_REG(offset) (offset) 98 99 #define IDMAC_CONF IPU_IDMAC_REG(0x0000) 100 #define IDMAC_CHA_EN(ch) IPU_IDMAC_REG(0x0004 + 4 * ((ch) / 32)) 101 #define IDMAC_SEP_ALPHA IPU_IDMAC_REG(0x000c) 102 #define IDMAC_ALT_SEP_ALPHA IPU_IDMAC_REG(0x0010) 103 #define IDMAC_CHA_PRI(ch) IPU_IDMAC_REG(0x0014 + 4 * ((ch) / 32)) 104 #define IDMAC_WM_EN(ch) IPU_IDMAC_REG(0x001c + 4 * ((ch) / 32)) 105 #define IDMAC_CH_LOCK_EN_1 IPU_IDMAC_REG(0x0024) 106 #define IDMAC_CH_LOCK_EN_2 IPU_IDMAC_REG(0x0028) 107 #define IDMAC_SUB_ADDR_0 IPU_IDMAC_REG(0x002c) 108 #define IDMAC_SUB_ADDR_1 IPU_IDMAC_REG(0x0030) 109 #define IDMAC_SUB_ADDR_2 IPU_IDMAC_REG(0x0034) 110 #define IDMAC_BAND_EN(ch) IPU_IDMAC_REG(0x0040 + 4 * ((ch) / 32)) 111 #define IDMAC_CHA_BUSY(ch) IPU_IDMAC_REG(0x0100 + 4 * ((ch) / 32)) 112 113 #define IPU_NUM_IRQS (32 * 15) 114 115 enum ipu_modules { 116 IPU_CONF_CSI0_EN = (1 << 0), 117 IPU_CONF_CSI1_EN = (1 << 1), 118 IPU_CONF_IC_EN = (1 << 2), 119 IPU_CONF_ROT_EN = (1 << 3), 120 IPU_CONF_ISP_EN = (1 << 4), 121 IPU_CONF_DP_EN = (1 << 5), 122 IPU_CONF_DI0_EN = (1 << 6), 123 IPU_CONF_DI1_EN = (1 << 7), 124 IPU_CONF_SMFC_EN = (1 << 8), 125 IPU_CONF_DC_EN = (1 << 9), 126 IPU_CONF_DMFC_EN = (1 << 10), 127 128 IPU_CONF_VDI_EN = (1 << 12), 129 130 IPU_CONF_IDMAC_DIS = (1 << 22), 131 132 IPU_CONF_IC_DMFC_SEL = (1 << 25), 133 IPU_CONF_IC_DMFC_SYNC = (1 << 26), 134 IPU_CONF_VDI_DMFC_SYNC = (1 << 27), 135 136 IPU_CONF_CSI0_DATA_SOURCE = (1 << 28), 137 IPU_CONF_CSI1_DATA_SOURCE = (1 << 29), 138 IPU_CONF_IC_INPUT = (1 << 30), 139 IPU_CONF_CSI_SEL = (1 << 31), 140 }; 141 142 struct ipuv3_channel { 143 unsigned int num; 144 145 bool enabled; 146 bool busy; 147 148 struct ipu_soc *ipu; 149 }; 150 151 struct ipu_dc_priv; 152 struct ipu_dmfc_priv; 153 struct ipu_di; 154 struct ipu_smfc_priv; 155 156 struct ipu_devtype; 157 158 struct ipu_soc { 159 struct device *dev; 160 const struct ipu_devtype *devtype; 161 enum ipuv3_type ipu_type; 162 spinlock_t lock; 163 struct mutex channel_lock; 164 165 void __iomem *cm_reg; 166 void __iomem *idmac_reg; 167 struct ipu_ch_param __iomem *cpmem_base; 168 169 int usecount; 170 171 struct clk *clk; 172 173 struct ipuv3_channel channel[64]; 174 175 int irq_sync; 176 int irq_err; 177 struct irq_domain *domain; 178 179 struct ipu_dc_priv *dc_priv; 180 struct ipu_dp_priv *dp_priv; 181 struct ipu_dmfc_priv *dmfc_priv; 182 struct ipu_di *di_priv[2]; 183 struct ipu_smfc_priv *smfc_priv; 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_di_init(struct ipu_soc *ipu, struct device *dev, int id, 195 unsigned long base, u32 module, struct clk *ipu_clk); 196 void ipu_di_exit(struct ipu_soc *ipu, int id); 197 198 int ipu_dmfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base, 199 struct clk *ipu_clk); 200 void ipu_dmfc_exit(struct ipu_soc *ipu); 201 202 int ipu_dp_init(struct ipu_soc *ipu, struct device *dev, unsigned long base); 203 void ipu_dp_exit(struct ipu_soc *ipu); 204 205 int ipu_dc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base, 206 unsigned long template_base); 207 void ipu_dc_exit(struct ipu_soc *ipu); 208 209 int ipu_cpmem_init(struct ipu_soc *ipu, struct device *dev, unsigned long base); 210 void ipu_cpmem_exit(struct ipu_soc *ipu); 211 212 int ipu_smfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base); 213 void ipu_smfc_exit(struct ipu_soc *ipu); 214 215 #endif /* __IPU_PRV_H__ */ 216