5 * linux/drivers/video/pxafb.h
6 * -- Intel PXA250/210 LCD Controller Frame Buffer Device
8 * Copyright (C) 1999 Eric A. Thomas.
9 * Copyright (C) 2004 Jean-Frederic Clere.
10 * Copyright (C) 2004 Ian Campbell.
11 * Copyright (C) 2004 Jeff Lackey.
12 * Based on sa1100fb.c Copyright (C) 1999 Eric A. Thomas
14 * Based on acornfb.c Copyright (C) Russell King.
16 * 2001-08-03: Cliff Brake <cbrake@acclent.com>
17 * - ported SA1100 code to PXA
19 * This file is subject to the terms and conditions of the GNU General Public
20 * License. See the file COPYING in the main directory of this archive
24 /* PXA LCD DMA descriptor */
25 struct pxafb_dma_descriptor {
53 /* maximum palette size - 256 entries, each 4 bytes long */
54 #define PALETTE_SIZE (256 * 4)
55 #define CMD_BUFF_SIZE (1024 * 50)
57 struct pxafb_dma_buff {
58 unsigned char palette[PAL_MAX * PALETTE_SIZE];
59 uint16_t cmd_buff[CMD_BUFF_SIZE];
60 struct pxafb_dma_descriptor pal_desc[PAL_MAX];
61 struct pxafb_dma_descriptor dma_desc[DMA_MAX];
69 void __iomem *mmio_base;
71 struct pxafb_dma_buff *dma_buff;
73 dma_addr_t dma_buff_phys;
74 dma_addr_t fdadr[DMA_MAX];
76 void __iomem *video_mem; /* virtual address of frame buffer */
77 unsigned long video_mem_phys; /* physical address of frame buffer */
78 size_t video_mem_size; /* size of the frame buffer */
79 u16 * palette_cpu; /* virtual address of palette memory */
96 unsigned long hsync_time;
98 volatile u_char state;
99 volatile u_char task_state;
100 struct mutex ctrlr_lock;
101 wait_queue_head_t ctrlr_wait;
102 struct work_struct task;
104 struct completion disable_done;
106 #ifdef CONFIG_FB_PXA_SMARTPANEL
107 uint16_t *smart_cmds;
109 struct completion command_done;
110 struct completion refresh_done;
111 struct task_struct *smart_thread;
114 #ifdef CONFIG_CPU_FREQ
115 struct notifier_block freq_transition;
116 struct notifier_block freq_policy;
119 void (*lcd_power)(int, struct fb_var_screeninfo *);
120 void (*backlight_power)(int);
123 #define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member)
126 * These are the actions for set_ctrlr_state
128 #define C_DISABLE (0)
130 #define C_DISABLE_CLKCHANGE (2)
131 #define C_ENABLE_CLKCHANGE (3)
132 #define C_REENABLE (4)
133 #define C_DISABLE_PM (5)
134 #define C_ENABLE_PM (6)
135 #define C_STARTUP (7)
137 #define PXA_NAME "PXA"
140 * Minimum X and Y resolutions
145 #endif /* __PXAFB_H__ */