aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/arm/mach-lh7a40x/clcd.c241
-rw-r--r--drivers/video/Kconfig63
2 files changed, 304 insertions, 0 deletions
diff --git a/arch/arm/mach-lh7a40x/clcd.c b/arch/arm/mach-lh7a40x/clcd.c
new file mode 100644
index 000000000000..93751fee793d
--- /dev/null
+++ b/arch/arm/mach-lh7a40x/clcd.c
@@ -0,0 +1,241 @@
1/*
2 * arch/arm/mach-lh7a40x/clcd.c
3 *
4 * Copyright (C) 2004 Marc Singer
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
9 *
10 */
11#include <linux/config.h>
12#include <linux/init.h>
13#include <linux/device.h>
14#include <linux/dma-mapping.h>
15#include <linux/sysdev.h>
16#include <linux/interrupt.h>
17
18//#include <linux/module.h>
19//#include <linux/time.h>
20//#include <asm/hardware.h>
21
22//#include <asm/mach/time.h>
23#include <asm/irq.h>
24#include <asm/mach/irq.h>
25
26#include <asm/system.h>
27#include <asm/hardware.h>
28#include <linux/amba/bus.h>
29#include <linux/amba/clcd.h>
30
31#define HRTFTC_HRSETUP __REG(HRTFTC_PHYS + 0x00)
32#define HRTFTC_HRCON __REG(HRTFTC_PHYS + 0x04)
33#define HRTFTC_HRTIMING1 __REG(HRTFTC_PHYS + 0x08)
34#define HRTFTC_HRTIMING2 __REG(HRTFTC_PHYS + 0x0c)
35
36#define ALI_SETUP __REG(ALI_PHYS + 0x00)
37#define ALI_CONTROL __REG(ALI_PHYS + 0x04)
38#define ALI_TIMING1 __REG(ALI_PHYS + 0x08)
39#define ALI_TIMING2 __REG(ALI_PHYS + 0x0c)
40
41#include "lcd-panel.h"
42
43static void lh7a40x_clcd_disable (struct clcd_fb *fb)
44{
45#if defined (CONFIG_MACH_LPD7A400)
46 CPLD_CONTROL &= ~(1<<1); /* Disable LCD Vee */
47#endif
48
49#if defined (CONFIG_MACH_LPD7A404)
50 GPIO_PCD &= ~(1<<3); /* Disable LCD Vee */
51#endif
52
53#if defined (CONFIG_ARCH_LH7A400)
54 HRTFTC_HRSETUP &= ~(1<<13); /* Disable HRTFT controller */
55#endif
56
57#if defined (CONFIG_ARCH_LH7A404)
58 ALI_SETUP &= ~(1<<13); /* Disable ALI */
59#endif
60}
61
62static void lh7a40x_clcd_enable (struct clcd_fb *fb)
63{
64 struct clcd_panel_extra* extra
65 = (struct clcd_panel_extra*) fb->board_data;
66
67#if defined (CONFIG_MACH_LPD7A400)
68 CPLD_CONTROL |= (1<<1); /* Enable LCD Vee */
69#endif
70
71#if defined (CONFIG_MACH_LPD7A404)
72 GPIO_PCDD &= ~(1<<3); /* Enable LCD Vee */
73 GPIO_PCD |= (1<<3);
74#endif
75
76#if defined (CONFIG_ARCH_LH7A400)
77
78 if (extra) {
79 HRTFTC_HRSETUP
80 = (1 << 13)
81 | ((fb->fb.var.xres - 1) << 4)
82 | 0xc
83 | (extra->hrmode ? 1 : 0);
84 HRTFTC_HRCON
85 = ((extra->clsen ? 1 : 0) << 1)
86 | ((extra->spsen ? 1 : 0) << 0);
87 HRTFTC_HRTIMING1
88 = (extra->pcdel << 8)
89 | (extra->revdel << 4)
90 | (extra->lpdel << 0);
91 HRTFTC_HRTIMING2
92 = (extra->spldel << 9)
93 | (extra->pc2del << 0);
94 }
95 else
96 HRTFTC_HRSETUP
97 = (1 << 13)
98 | 0xc;
99#endif
100
101#if defined (CONFIG_ARCH_LH7A404)
102
103 if (extra) {
104 ALI_SETUP
105 = (1 << 13)
106 | ((fb->fb.var.xres - 1) << 4)
107 | 0xc
108 | (extra->hrmode ? 1 : 0);
109 ALI_CONTROL
110 = ((extra->clsen ? 1 : 0) << 1)
111 | ((extra->spsen ? 1 : 0) << 0);
112 ALI_TIMING1
113 = (extra->pcdel << 8)
114 | (extra->revdel << 4)
115 | (extra->lpdel << 0);
116 ALI_TIMING2
117 = (extra->spldel << 9)
118 | (extra->pc2del << 0);
119 }
120 else
121 ALI_SETUP
122 = (1 << 13)
123 | 0xc;
124#endif
125
126}
127
128#define FRAMESIZE(s) (((s) + PAGE_SIZE - 1)&PAGE_MASK)
129
130static int lh7a40x_clcd_setup (struct clcd_fb *fb)
131{
132 dma_addr_t dma;
133 u32 len = FRAMESIZE (lcd_panel.mode.xres*lcd_panel.mode.yres
134 *(lcd_panel.bpp/8));
135
136 fb->panel = &lcd_panel;
137
138 /* Enforce the sync polarity defaults */
139 if (!(fb->panel->tim2 & TIM2_IHS))
140 fb->fb.var.sync |= FB_SYNC_HOR_HIGH_ACT;
141 if (!(fb->panel->tim2 & TIM2_IVS))
142 fb->fb.var.sync |= FB_SYNC_VERT_HIGH_ACT;
143
144#if defined (HAS_LCD_PANEL_EXTRA)
145 fb->board_data = &lcd_panel_extra;
146#endif
147
148 fb->fb.screen_base
149 = dma_alloc_writecombine (&fb->dev->dev, len,
150 &dma, GFP_KERNEL);
151 printk ("CLCD: LCD setup fb virt 0x%p phys 0x%p l %x io 0x%p \n",
152 fb->fb.screen_base, (void*) dma, len,
153 (void*) io_p2v (CLCDC_PHYS));
154 printk ("CLCD: pixclock %d\n", lcd_panel.mode.pixclock);
155
156 if (!fb->fb.screen_base) {
157 printk(KERN_ERR "CLCD: unable to map framebuffer\n");
158 return -ENOMEM;
159 }
160
161#if defined (USE_RGB555)
162 fb->fb.var.green.length = 5; /* Panel uses RGB 5:5:5 */
163#endif
164
165 fb->fb.fix.smem_start = dma;
166 fb->fb.fix.smem_len = len;
167
168 /* Drive PE4 high to prevent CPLD crash */
169 GPIO_PEDD |= (1<<4);
170 GPIO_PED |= (1<<4);
171
172 GPIO_PINMUX |= (1<<1) | (1<<0); /* LCDVD[15:4] */
173
174// fb->fb.fbops->fb_check_var (&fb->fb.var, &fb->fb);
175// fb->fb.fbops->fb_set_par (&fb->fb);
176
177 return 0;
178}
179
180static int lh7a40x_clcd_mmap (struct clcd_fb *fb, struct vm_area_struct *vma)
181{
182 return dma_mmap_writecombine(&fb->dev->dev, vma,
183 fb->fb.screen_base,
184 fb->fb.fix.smem_start,
185 fb->fb.fix.smem_len);
186}
187
188static void lh7a40x_clcd_remove (struct clcd_fb *fb)
189{
190 dma_free_writecombine (&fb->dev->dev, fb->fb.fix.smem_len,
191 fb->fb.screen_base, fb->fb.fix.smem_start);
192}
193
194static struct clcd_board clcd_platform_data = {
195 .name = "lh7a40x FB",
196 .check = clcdfb_check,
197 .decode = clcdfb_decode,
198 .enable = lh7a40x_clcd_enable,
199 .setup = lh7a40x_clcd_setup,
200 .mmap = lh7a40x_clcd_mmap,
201 .remove = lh7a40x_clcd_remove,
202 .disable = lh7a40x_clcd_disable,
203};
204
205#define IRQ_CLCDC (IRQ_LCDINTR)
206
207#define AMBA_DEVICE(name,busid,base,plat,pid) \
208static struct amba_device name##_device = { \
209 .dev = { \
210 .coherent_dma_mask = ~0, \
211 .bus_id = busid, \
212 .platform_data = plat, \
213 }, \
214 .res = { \
215 .start = base##_PHYS, \
216 .end = (base##_PHYS) + (4*1024) - 1, \
217 .flags = IORESOURCE_MEM, \
218 }, \
219 .dma_mask = ~0, \
220 .irq = { IRQ_##base, }, \
221 /* .dma = base##_DMA,*/ \
222 .periphid = pid, \
223}
224
225AMBA_DEVICE(clcd, "cldc-lh7a40x", CLCDC, &clcd_platform_data, 0x41110);
226
227static struct amba_device *amba_devs[] __initdata = {
228 &clcd_device,
229};
230
231void __init lh7a40x_clcd_init (void)
232{
233 int i;
234 int result;
235 printk ("CLCD: registering amba devices\n");
236 for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
237 struct amba_device *d = amba_devs[i];
238 result = amba_device_register(d, &iomem_resource);
239 printk (" %d -> %d\n", i ,result);
240 }
241}
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 4587087d777a..a3024eb28dc5 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -167,6 +167,69 @@ config FB_ARMCLCD
167 here and read <file:Documentation/modules.txt>. The module 167 here and read <file:Documentation/modules.txt>. The module
168 will be called amba-clcd. 168 will be called amba-clcd.
169 169
170choice
171
172 depends on FB_ARMCLCD && (ARCH_LH7A40X || ARCH_LH7952X)
173 prompt "LCD Panel"
174 default FB_ARMCLCD_SHARP_LQ035Q7DB02
175
176config FB_ARMCLCD_SHARP_LQ035Q7DB02_HRTFT
177 bool "LogicPD LCD 3.5\" QVGA w/HRTFT IC"
178 help
179 This is an implementation of the Sharp LQ035Q7DB02, a 3.5"
180 color QVGA, HRTFT panel. The LogicPD device includes an
181 an integrated HRTFT controller IC.
182 The native resolution is 240x320.
183
184config FB_ARMCLCD_SHARP_LQ057Q3DC02
185 bool "LogicPD LCD 5.7\" QVGA"
186 help
187 This is an implementation of the Sharp LQ057Q3DC02, a 5.7"
188 color QVGA, TFT panel. The LogicPD device includes an
189 The native resolution is 320x240.
190
191config FB_ARMCLCD_SHARP_LQ64D343
192 bool "LogicPD LCD 6.4\" VGA"
193 help
194 This is an implementation of the Sharp LQ64D343, a 6.4"
195 color VGA, TFT panel. The LogicPD device includes an
196 The native resolution is 640x480.
197
198config FB_ARMCLCD_SHARP_LQ10D368
199 bool "LogicPD LCD 10.4\" VGA"
200 help
201 This is an implementation of the Sharp LQ10D368, a 10.4"
202 color VGA, TFT panel. The LogicPD device includes an
203 The native resolution is 640x480.
204
205
206config FB_ARMCLCD_SHARP_LQ121S1DG41
207 bool "LogicPD LCD 12.1\" SVGA"
208 help
209 This is an implementation of the Sharp LQ121S1DG41, a 12.1"
210 color SVGA, TFT panel. The LogicPD device includes an
211 The native resolution is 800x600.
212
213 This panel requires a clock rate may be an integer fraction
214 of the base LCDCLK frequency. The driver will select the
215 highest frequency available that is lower than the maximum
216 allowed. The panel may flicker if the clock rate is
217 slower than the recommended minimum.
218
219config FB_ARMCLCD_AUO_A070VW01_WIDE
220 bool "AU Optronics A070VW01 LCD 7.0\" WIDE"
221 help
222 This is an implementation of the AU Optronics, a 7.0"
223 WIDE Color. The native resolution is 234x480.
224
225config FB_ARMCLCD_HITACHI
226 bool "Hitachi Wide Screen 800x480"
227 help
228 This is an implementation of the Hitachi 800x480.
229
230endchoice
231
232
170config FB_ACORN 233config FB_ACORN
171 bool "Acorn VIDC support" 234 bool "Acorn VIDC support"
172 depends on (FB = y) && ARM && (ARCH_ACORN || ARCH_CLPS7500) 235 depends on (FB = y) && ARM && (ARCH_ACORN || ARCH_CLPS7500)