1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2008
4  * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de>
5  *
6  * Copyright (C) 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
7  */
8 
9 #ifndef _IPU_INTERN_H_
10 #define _IPU_INTERN_H_
11 
12 #include <linux/dmaengine.h>
13 #include <linux/platform_device.h>
14 #include <linux/interrupt.h>
15 
16 /* IPU Common registers */
17 #define IPU_CONF		0x00
18 #define IPU_CHA_BUF0_RDY	0x04
19 #define IPU_CHA_BUF1_RDY	0x08
20 #define IPU_CHA_DB_MODE_SEL	0x0C
21 #define IPU_CHA_CUR_BUF		0x10
22 #define IPU_FS_PROC_FLOW	0x14
23 #define IPU_FS_DISP_FLOW	0x18
24 #define IPU_TASKS_STAT		0x1C
25 #define IPU_IMA_ADDR		0x20
26 #define IPU_IMA_DATA		0x24
27 #define IPU_INT_CTRL_1		0x28
28 #define IPU_INT_CTRL_2		0x2C
29 #define IPU_INT_CTRL_3		0x30
30 #define IPU_INT_CTRL_4		0x34
31 #define IPU_INT_CTRL_5		0x38
32 #define IPU_INT_STAT_1		0x3C
33 #define IPU_INT_STAT_2		0x40
34 #define IPU_INT_STAT_3		0x44
35 #define IPU_INT_STAT_4		0x48
36 #define IPU_INT_STAT_5		0x4C
37 #define IPU_BRK_CTRL_1		0x50
38 #define IPU_BRK_CTRL_2		0x54
39 #define IPU_BRK_STAT		0x58
40 #define IPU_DIAGB_CTRL		0x5C
41 
42 /* IPU_CONF Register bits */
43 #define IPU_CONF_CSI_EN		0x00000001
44 #define IPU_CONF_IC_EN		0x00000002
45 #define IPU_CONF_ROT_EN		0x00000004
46 #define IPU_CONF_PF_EN		0x00000008
47 #define IPU_CONF_SDC_EN		0x00000010
48 #define IPU_CONF_ADC_EN		0x00000020
49 #define IPU_CONF_DI_EN		0x00000040
50 #define IPU_CONF_DU_EN		0x00000080
51 #define IPU_CONF_PXL_ENDIAN	0x00000100
52 
53 /* Image Converter Registers */
54 #define IC_CONF			0x88
55 #define IC_PRP_ENC_RSC		0x8C
56 #define IC_PRP_VF_RSC		0x90
57 #define IC_PP_RSC		0x94
58 #define IC_CMBP_1		0x98
59 #define IC_CMBP_2		0x9C
60 #define PF_CONF			0xA0
61 #define IDMAC_CONF		0xA4
62 #define IDMAC_CHA_EN		0xA8
63 #define IDMAC_CHA_PRI		0xAC
64 #define IDMAC_CHA_BUSY		0xB0
65 
66 /* Image Converter Register bits */
67 #define IC_CONF_PRPENC_EN	0x00000001
68 #define IC_CONF_PRPENC_CSC1	0x00000002
69 #define IC_CONF_PRPENC_ROT_EN	0x00000004
70 #define IC_CONF_PRPVF_EN	0x00000100
71 #define IC_CONF_PRPVF_CSC1	0x00000200
72 #define IC_CONF_PRPVF_CSC2	0x00000400
73 #define IC_CONF_PRPVF_CMB	0x00000800
74 #define IC_CONF_PRPVF_ROT_EN	0x00001000
75 #define IC_CONF_PP_EN		0x00010000
76 #define IC_CONF_PP_CSC1		0x00020000
77 #define IC_CONF_PP_CSC2		0x00040000
78 #define IC_CONF_PP_CMB		0x00080000
79 #define IC_CONF_PP_ROT_EN	0x00100000
80 #define IC_CONF_IC_GLB_LOC_A	0x10000000
81 #define IC_CONF_KEY_COLOR_EN	0x20000000
82 #define IC_CONF_RWS_EN		0x40000000
83 #define IC_CONF_CSI_MEM_WR_EN	0x80000000
84 
85 #define IDMA_CHAN_INVALID	0x000000FF
86 #define IDMA_IC_0		0x00000001
87 #define IDMA_IC_1		0x00000002
88 #define IDMA_IC_2		0x00000004
89 #define IDMA_IC_3		0x00000008
90 #define IDMA_IC_4		0x00000010
91 #define IDMA_IC_5		0x00000020
92 #define IDMA_IC_6		0x00000040
93 #define IDMA_IC_7		0x00000080
94 #define IDMA_IC_8		0x00000100
95 #define IDMA_IC_9		0x00000200
96 #define IDMA_IC_10		0x00000400
97 #define IDMA_IC_11		0x00000800
98 #define IDMA_IC_12		0x00001000
99 #define IDMA_IC_13		0x00002000
100 #define IDMA_SDC_BG		0x00004000
101 #define IDMA_SDC_FG		0x00008000
102 #define IDMA_SDC_MASK		0x00010000
103 #define IDMA_SDC_PARTIAL	0x00020000
104 #define IDMA_ADC_SYS1_WR	0x00040000
105 #define IDMA_ADC_SYS2_WR	0x00080000
106 #define IDMA_ADC_SYS1_CMD	0x00100000
107 #define IDMA_ADC_SYS2_CMD	0x00200000
108 #define IDMA_ADC_SYS1_RD	0x00400000
109 #define IDMA_ADC_SYS2_RD	0x00800000
110 #define IDMA_PF_QP		0x01000000
111 #define IDMA_PF_BSP		0x02000000
112 #define IDMA_PF_Y_IN		0x04000000
113 #define IDMA_PF_U_IN		0x08000000
114 #define IDMA_PF_V_IN		0x10000000
115 #define IDMA_PF_Y_OUT		0x20000000
116 #define IDMA_PF_U_OUT		0x40000000
117 #define IDMA_PF_V_OUT		0x80000000
118 
119 #define TSTAT_PF_H264_PAUSE	0x00000001
120 #define TSTAT_CSI2MEM_MASK	0x0000000C
121 #define TSTAT_CSI2MEM_OFFSET	2
122 #define TSTAT_VF_MASK		0x00000600
123 #define TSTAT_VF_OFFSET		9
124 #define TSTAT_VF_ROT_MASK	0x000C0000
125 #define TSTAT_VF_ROT_OFFSET	18
126 #define TSTAT_ENC_MASK		0x00000180
127 #define TSTAT_ENC_OFFSET	7
128 #define TSTAT_ENC_ROT_MASK	0x00030000
129 #define TSTAT_ENC_ROT_OFFSET	16
130 #define TSTAT_PP_MASK		0x00001800
131 #define TSTAT_PP_OFFSET		11
132 #define TSTAT_PP_ROT_MASK	0x00300000
133 #define TSTAT_PP_ROT_OFFSET	20
134 #define TSTAT_PF_MASK		0x00C00000
135 #define TSTAT_PF_OFFSET		22
136 #define TSTAT_ADCSYS1_MASK	0x03000000
137 #define TSTAT_ADCSYS1_OFFSET	24
138 #define TSTAT_ADCSYS2_MASK	0x0C000000
139 #define TSTAT_ADCSYS2_OFFSET	26
140 
141 #define TASK_STAT_IDLE		0
142 #define TASK_STAT_ACTIVE	1
143 #define TASK_STAT_WAIT4READY	2
144 
145 struct idmac {
146 	struct dma_device	dma;
147 };
148 
149 struct ipu {
150 	void __iomem		*reg_ipu;
151 	void __iomem		*reg_ic;
152 	unsigned int		irq_fn;		/* IPU Function IRQ to the CPU */
153 	unsigned int		irq_err;	/* IPU Error IRQ to the CPU */
154 	unsigned int		irq_base;	/* Beginning of the IPU IRQ range */
155 	unsigned long		channel_init_mask;
156 	spinlock_t		lock;
157 	struct clk		*ipu_clk;
158 	struct device		*dev;
159 	struct idmac		idmac;
160 	struct idmac_channel	channel[IPU_CHANNELS_NUM];
161 	struct tasklet_struct	tasklet;
162 };
163 
164 #define to_idmac(d) container_of(d, struct idmac, dma)
165 
166 extern int ipu_irq_attach_irq(struct ipu *ipu, struct platform_device *dev);
167 extern void ipu_irq_detach_irq(struct ipu *ipu, struct platform_device *dev);
168 
169 extern bool ipu_irq_status(uint32_t irq);
170 extern int ipu_irq_map(unsigned int source);
171 extern int ipu_irq_unmap(unsigned int source);
172 
173 #endif
174