1/*
2 * Copyright (C) 2005 Philips Semiconductors
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2, or (at your option)
7 * any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; see the file COPYING.  If not, write to
16 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA, or http://www.gnu.org/licenses/gpl.html
18*/
19
20#define MAX_DUM_CHANNELS	64
21
22#define RGB_MEM_WINDOW(x) (0x10000000 + (x)*0x00100000)
23
24#define QCIF_OFFSET(x) (((x) == 0) ? 0x00000: ((x) == 1) ? 0x30000: -1)
25#define CIF_OFFSET(x)  (((x) == 0) ? 0x00000: ((x) == 1) ? 0x60000: -1)
26
27#define CTRL_SETDIRTY	 	(0x00000001)
28#define CONF_DIRTYENABLE	(0x00000020)
29#define CONF_SYNCENABLE		(0x00000004)
30
31#define DIRTY_ENABLED(conf)	((conf) & 0x0020)
32#define SYNC_ENABLED(conf) 	((conf) & 0x0004)
33
34/* Display 1 & 2 Write Timing Configuration */
35#define PNX4008_DUM_WT_CFG		0x00372000
36
37/* Display 1 & 2 Read Timing Configuration */
38#define PNX4008_DUM_RT_CFG		0x00003A47
39
40/* DUM Transit State Timing Configuration */
41#define PNX4008_DUM_T_CFG		0x1D	/* 29 HCLK cycles */
42
43/* DUM Sync count clock divider */
44#define PNX4008_DUM_CLK_DIV		0x02DD
45
46/* Memory size for framebuffer, allocated through dma_alloc_writecombine().
47 * Must be PAGE aligned
48 */
49#define FB_DMA_SIZE (PAGE_ALIGN(SZ_1M + PAGE_SIZE))
50
51#define OFFSET_RGBBUFFER (0xB0000)
52#define OFFSET_YUVBUFFER (0x00000)
53
54#define YUVBUFFER (lcd_video_start + OFFSET_YUVBUFFER)
55#define RGBBUFFER (lcd_video_start + OFFSET_RGBBUFFER)
56
57#define CMDSTRING_BASEADDR	(0x00C000)	/* iram */
58#define BYTES_PER_CMDSTRING	(0x80)
59#define NR_OF_CMDSTRINGS	(64)
60
61#define MAX_NR_PRESTRINGS (0x40)
62#define MAX_NR_POSTSTRINGS (0x40)
63
64/* various mask definitions */
65#define DUM_CLK_ENABLE 0x01
66#define DUM_CLK_DISABLE 0
67#define DUM_DECODE_MASK 0x1FFFFFFF
68#define DUM_CHANNEL_CFG_MASK 0x01FF
69#define DUM_CHANNEL_CFG_SYNC_MASK 0xFFFE00FF
70#define DUM_CHANNEL_CFG_SYNC_MASK_SET 0x0CA00
71
72#define SDUM_RETURNVAL_BASE (0x500)
73
74#define CONF_SYNC_OFF		(0x602)
75#define CONF_SYNC_ON		(0x603)
76
77#define CONF_DIRTYDETECTION_OFF	(0x600)
78#define CONF_DIRTYDETECTION_ON	(0x601)
79
80/* Set the corresponding bit. */
81#define BIT(n) (0x1U << (n))
82
83struct dumchannel_uf {
84	int channelnr;
85	u32 *dirty;
86	u32 *source;
87	u32 x_offset;
88	u32 y_offset;
89	u32 width;
90	u32 height;
91};
92
93enum {
94	FB_TYPE_YUV,
95	FB_TYPE_RGB
96};
97
98struct cmdstring {
99	int channelnr;
100	uint16_t prestringlen;
101	uint16_t poststringlen;
102	uint16_t format;
103	uint16_t reserved;
104	uint16_t startaddr_low;
105	uint16_t startaddr_high;
106	uint16_t pixdatlen_low;
107	uint16_t pixdatlen_high;
108	u32 precmd[MAX_NR_PRESTRINGS];
109	u32 postcmd[MAX_NR_POSTSTRINGS];
110
111};
112
113struct dumchannel {
114	int channelnr;
115	int dum_ch_min;
116	int dum_ch_max;
117	int dum_ch_conf;
118	int dum_ch_stat;
119	int dum_ch_ctrl;
120};
121
122int pnx4008_alloc_dum_channel(int dev_id);
123int pnx4008_free_dum_channel(int channr, int dev_id);
124
125int pnx4008_get_dum_channel_uf(struct dumchannel_uf *pChan_uf, int dev_id);
126int pnx4008_put_dum_channel_uf(struct dumchannel_uf chan_uf, int dev_id);
127
128int pnx4008_set_dum_channel_sync(int channr, int val, int dev_id);
129int pnx4008_set_dum_channel_dirty_detect(int channr, int val, int dev_id);
130
131int pnx4008_force_dum_update_channel(int channr, int dev_id);
132
133int pnx4008_get_dum_channel_config(int channr, int dev_id);
134
135int pnx4008_sdum_mmap(struct fb_info *info, struct vm_area_struct *vma, struct device *dev);
136int pnx4008_set_dum_exit_notification(int dev_id);
137
138int pnx4008_get_fb_addresses(int fb_type, void **virt_addr,
139			     dma_addr_t * phys_addr, int *fb_length);
140