Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / 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__ */