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 /* SRM_PRI2 */
79 #define DP_S_SRM_MODE_MASK		(0x3 << 3)
80 #define DP_S_SRM_MODE_NOW		(0x3 << 3)
81 #define DP_S_SRM_MODE_NEXT_FRAME	(0x1 << 3)
82 
83 /* FS_PROC_FLOW1 */
84 #define FS_PRPENC_ROT_SRC_SEL_MASK	(0xf << 0)
85 #define FS_PRPENC_ROT_SRC_SEL_ENC		(0x7 << 0)
86 #define FS_PRPVF_ROT_SRC_SEL_MASK	(0xf << 8)
87 #define FS_PRPVF_ROT_SRC_SEL_VF			(0x8 << 8)
88 #define FS_PP_SRC_SEL_MASK		(0xf << 12)
89 #define FS_PP_ROT_SRC_SEL_MASK		(0xf << 16)
90 #define FS_PP_ROT_SRC_SEL_PP			(0x5 << 16)
91 #define FS_VDI1_SRC_SEL_MASK		(0x3 << 20)
92 #define FS_VDI3_SRC_SEL_MASK		(0x3 << 20)
93 #define FS_PRP_SRC_SEL_MASK		(0xf << 24)
94 #define FS_VDI_SRC_SEL_MASK		(0x3 << 28)
95 #define FS_VDI_SRC_SEL_CSI_DIRECT		(0x1 << 28)
96 #define FS_VDI_SRC_SEL_VDOA			(0x2 << 28)
97 
98 /* FS_PROC_FLOW2 */
99 #define FS_PRP_ENC_DEST_SEL_MASK	(0xf << 0)
100 #define FS_PRP_ENC_DEST_SEL_IRT_ENC		(0x1 << 0)
101 #define FS_PRPVF_DEST_SEL_MASK		(0xf << 4)
102 #define FS_PRPVF_DEST_SEL_IRT_VF		(0x1 << 4)
103 #define FS_PRPVF_ROT_DEST_SEL_MASK	(0xf << 8)
104 #define FS_PP_DEST_SEL_MASK		(0xf << 12)
105 #define FS_PP_DEST_SEL_IRT_PP			(0x3 << 12)
106 #define FS_PP_ROT_DEST_SEL_MASK		(0xf << 16)
107 #define FS_PRPENC_ROT_DEST_SEL_MASK	(0xf << 20)
108 #define FS_PRP_DEST_SEL_MASK		(0xf << 24)
109 
110 #define IPU_DI0_COUNTER_RELEASE			(1 << 24)
111 #define IPU_DI1_COUNTER_RELEASE			(1 << 25)
112 
113 #define IPU_IDMAC_REG(offset)	(offset)
114 
115 #define IDMAC_CONF			IPU_IDMAC_REG(0x0000)
116 #define IDMAC_CHA_EN(ch)		IPU_IDMAC_REG(0x0004 + 4 * ((ch) / 32))
117 #define IDMAC_SEP_ALPHA			IPU_IDMAC_REG(0x000c)
118 #define IDMAC_ALT_SEP_ALPHA		IPU_IDMAC_REG(0x0010)
119 #define IDMAC_CHA_PRI(ch)		IPU_IDMAC_REG(0x0014 + 4 * ((ch) / 32))
120 #define IDMAC_WM_EN(ch)			IPU_IDMAC_REG(0x001c + 4 * ((ch) / 32))
121 #define IDMAC_CH_LOCK_EN_1		IPU_IDMAC_REG(0x0024)
122 #define IDMAC_CH_LOCK_EN_2		IPU_IDMAC_REG(0x0028)
123 #define IDMAC_SUB_ADDR_0		IPU_IDMAC_REG(0x002c)
124 #define IDMAC_SUB_ADDR_1		IPU_IDMAC_REG(0x0030)
125 #define IDMAC_SUB_ADDR_2		IPU_IDMAC_REG(0x0034)
126 #define IDMAC_BAND_EN(ch)		IPU_IDMAC_REG(0x0040 + 4 * ((ch) / 32))
127 #define IDMAC_CHA_BUSY(ch)		IPU_IDMAC_REG(0x0100 + 4 * ((ch) / 32))
128 
129 #define IPU_NUM_IRQS	(32 * 15)
130 
131 enum ipu_modules {
132 	IPU_CONF_CSI0_EN		= (1 << 0),
133 	IPU_CONF_CSI1_EN		= (1 << 1),
134 	IPU_CONF_IC_EN			= (1 << 2),
135 	IPU_CONF_ROT_EN			= (1 << 3),
136 	IPU_CONF_ISP_EN			= (1 << 4),
137 	IPU_CONF_DP_EN			= (1 << 5),
138 	IPU_CONF_DI0_EN			= (1 << 6),
139 	IPU_CONF_DI1_EN			= (1 << 7),
140 	IPU_CONF_SMFC_EN		= (1 << 8),
141 	IPU_CONF_DC_EN			= (1 << 9),
142 	IPU_CONF_DMFC_EN		= (1 << 10),
143 
144 	IPU_CONF_VDI_EN			= (1 << 12),
145 
146 	IPU_CONF_IDMAC_DIS		= (1 << 22),
147 
148 	IPU_CONF_IC_DMFC_SEL		= (1 << 25),
149 	IPU_CONF_IC_DMFC_SYNC		= (1 << 26),
150 	IPU_CONF_VDI_DMFC_SYNC		= (1 << 27),
151 
152 	IPU_CONF_CSI0_DATA_SOURCE	= (1 << 28),
153 	IPU_CONF_CSI1_DATA_SOURCE	= (1 << 29),
154 	IPU_CONF_IC_INPUT		= (1 << 30),
155 	IPU_CONF_CSI_SEL		= (1 << 31),
156 };
157 
158 struct ipuv3_channel {
159 	unsigned int num;
160 	struct ipu_soc *ipu;
161 	struct list_head list;
162 };
163 
164 struct ipu_cpmem;
165 struct ipu_csi;
166 struct ipu_dc_priv;
167 struct ipu_dmfc_priv;
168 struct ipu_di;
169 struct ipu_ic_priv;
170 struct ipu_vdi;
171 struct ipu_image_convert_priv;
172 struct ipu_smfc_priv;
173 struct ipu_pre;
174 struct ipu_prg;
175 
176 struct ipu_devtype;
177 
178 struct ipu_soc {
179 	struct device		*dev;
180 	const struct ipu_devtype	*devtype;
181 	enum ipuv3_type		ipu_type;
182 	spinlock_t		lock;
183 	struct mutex		channel_lock;
184 	struct list_head	channels;
185 
186 	void __iomem		*cm_reg;
187 	void __iomem		*idmac_reg;
188 
189 	int			id;
190 	int			usecount;
191 
192 	struct clk		*clk;
193 
194 	int			irq_sync;
195 	int			irq_err;
196 	struct irq_domain	*domain;
197 
198 	struct ipu_cpmem	*cpmem_priv;
199 	struct ipu_dc_priv	*dc_priv;
200 	struct ipu_dp_priv	*dp_priv;
201 	struct ipu_dmfc_priv	*dmfc_priv;
202 	struct ipu_di		*di_priv[2];
203 	struct ipu_csi		*csi_priv[2];
204 	struct ipu_ic_priv	*ic_priv;
205 	struct ipu_vdi          *vdi_priv;
206 	struct ipu_image_convert_priv *image_convert_priv;
207 	struct ipu_smfc_priv	*smfc_priv;
208 	struct ipu_prg		*prg_priv;
209 };
210 
ipu_idmac_read(struct ipu_soc * ipu,unsigned offset)211 static inline u32 ipu_idmac_read(struct ipu_soc *ipu, unsigned offset)
212 {
213 	return readl(ipu->idmac_reg + offset);
214 }
215 
ipu_idmac_write(struct ipu_soc * ipu,u32 value,unsigned offset)216 static inline void ipu_idmac_write(struct ipu_soc *ipu, u32 value,
217 				   unsigned offset)
218 {
219 	writel(value, ipu->idmac_reg + offset);
220 }
221 
222 void ipu_srm_dp_update(struct ipu_soc *ipu, bool sync);
223 
224 int ipu_module_enable(struct ipu_soc *ipu, u32 mask);
225 int ipu_module_disable(struct ipu_soc *ipu, u32 mask);
226 
227 bool ipu_idmac_channel_busy(struct ipu_soc *ipu, unsigned int chno);
228 
229 int ipu_csi_init(struct ipu_soc *ipu, struct device *dev, int id,
230 		 unsigned long base, u32 module, struct clk *clk_ipu);
231 void ipu_csi_exit(struct ipu_soc *ipu, int id);
232 
233 int ipu_ic_init(struct ipu_soc *ipu, struct device *dev,
234 		unsigned long base, unsigned long tpmem_base);
235 void ipu_ic_exit(struct ipu_soc *ipu);
236 
237 int ipu_vdi_init(struct ipu_soc *ipu, struct device *dev,
238 		 unsigned long base, u32 module);
239 void ipu_vdi_exit(struct ipu_soc *ipu);
240 
241 int ipu_image_convert_init(struct ipu_soc *ipu, struct device *dev);
242 void ipu_image_convert_exit(struct ipu_soc *ipu);
243 
244 int ipu_di_init(struct ipu_soc *ipu, struct device *dev, int id,
245 		unsigned long base, u32 module, struct clk *ipu_clk);
246 void ipu_di_exit(struct ipu_soc *ipu, int id);
247 
248 int ipu_dmfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base,
249 		struct clk *ipu_clk);
250 void ipu_dmfc_exit(struct ipu_soc *ipu);
251 
252 int ipu_dp_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
253 void ipu_dp_exit(struct ipu_soc *ipu);
254 
255 int ipu_dc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base,
256 		unsigned long template_base);
257 void ipu_dc_exit(struct ipu_soc *ipu);
258 
259 int ipu_cpmem_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
260 void ipu_cpmem_exit(struct ipu_soc *ipu);
261 
262 int ipu_smfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
263 void ipu_smfc_exit(struct ipu_soc *ipu);
264 
265 struct ipu_pre *ipu_pre_lookup_by_phandle(struct device *dev, const char *name,
266 					  int index);
267 int ipu_pre_get_available_count(void);
268 int ipu_pre_get(struct ipu_pre *pre);
269 void ipu_pre_put(struct ipu_pre *pre);
270 u32 ipu_pre_get_baddr(struct ipu_pre *pre);
271 void ipu_pre_configure(struct ipu_pre *pre, unsigned int width,
272 		       unsigned int height, unsigned int stride, u32 format,
273 		       uint64_t modifier, unsigned int bufaddr);
274 void ipu_pre_update(struct ipu_pre *pre, unsigned int bufaddr);
275 
276 struct ipu_prg *ipu_prg_lookup_by_phandle(struct device *dev, const char *name,
277 					  int ipu_id);
278 
279 extern struct platform_driver ipu_pre_drv;
280 extern struct platform_driver ipu_prg_drv;
281 
282 #endif				/* __IPU_PRV_H__ */
283