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authorJoseph Chan <JosephChan@via.com.tw>2008-10-16 01:03:30 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 14:21:42 -0400
commit23966d5b52e6ee1f90bb343766a9703dafceae83 (patch)
treed78d665ce5fde4b68f55d7139837d53f7527e19a
parent9f291634aa2d79dee2d8a61c5bdffe166001c580 (diff)
viafb: via_utility.c, via_utility.h, vt1636.c, vt1636.h
via_utility.c, via_utility.h: support user mode application with additional information vt1636.c, vt1636.h: setting for chip vt1636 Signed-off-by: Joseph Chan <josephchan@via.com.tw> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat
-rw-r--r--drivers/video/via/via_utility.c253
-rw-r--r--drivers/video/via/via_utility.h35
-rw-r--r--drivers/video/via/vt1636.c306
-rw-r--r--drivers/video/via/vt1636.h44
4 files changed, 638 insertions, 0 deletions
diff --git a/drivers/video/via/via_utility.c b/drivers/video/via/via_utility.c
new file mode 100644
index 00000000000..d53c3d54ed8
--- /dev/null
+++ b/drivers/video/via/via_utility.c
@@ -0,0 +1,253 @@
1/*
2 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
9
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
14 * for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21
22#include "global.h"
23
24void viafb_get_device_support_state(u32 *support_state)
25{
26 *support_state = CRT_Device;
27
28 if (viaparinfo->chip_info->tmds_chip_info.tmds_chip_name == VT1632_TMDS)
29 *support_state |= DVI_Device;
30
31 if (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name == VT1631_LVDS)
32 *support_state |= LCD_Device;
33}
34
35void viafb_get_device_connect_state(u32 *connect_state)
36{
37 bool mobile = false;
38
39 *connect_state = CRT_Device;
40
41 if (viafb_dvi_sense())
42 *connect_state |= DVI_Device;
43
44 viafb_lcd_get_mobile_state(&mobile);
45 if (mobile)
46 *connect_state |= LCD_Device;
47}
48
49bool viafb_lcd_get_support_expand_state(u32 xres, u32 yres)
50{
51 unsigned int support_state = 0;
52
53 switch (viafb_lcd_panel_id) {
54 case LCD_PANEL_ID0_640X480:
55 if ((xres < 640) && (yres < 480))
56 support_state = true;
57 break;
58
59 case LCD_PANEL_ID1_800X600:
60 if ((xres < 800) && (yres < 600))
61 support_state = true;
62 break;
63
64 case LCD_PANEL_ID2_1024X768:
65 if ((xres < 1024) && (yres < 768))
66 support_state = true;
67 break;
68
69 case LCD_PANEL_ID3_1280X768:
70 if ((xres < 1280) && (yres < 768))
71 support_state = true;
72 break;
73
74 case LCD_PANEL_ID4_1280X1024:
75 if ((xres < 1280) && (yres < 1024))
76 support_state = true;
77 break;
78
79 case LCD_PANEL_ID5_1400X1050:
80 if ((xres < 1400) && (yres < 1050))
81 support_state = true;
82 break;
83
84 case LCD_PANEL_ID6_1600X1200:
85 if ((xres < 1600) && (yres < 1200))
86 support_state = true;
87 break;
88
89 case LCD_PANEL_ID7_1366X768:
90 if ((xres < 1366) && (yres < 768))
91 support_state = true;
92 break;
93
94 case LCD_PANEL_ID8_1024X600:
95 if ((xres < 1024) && (yres < 600))
96 support_state = true;
97 break;
98
99 case LCD_PANEL_ID9_1280X800:
100 if ((xres < 1280) && (yres < 800))
101 support_state = true;
102 break;
103
104 case LCD_PANEL_IDA_800X480:
105 if ((xres < 800) && (yres < 480))
106 support_state = true;
107 break;
108
109 case LCD_PANEL_IDB_1360X768:
110 if ((xres < 1360) && (yres < 768))
111 support_state = true;
112 break;
113
114 case LCD_PANEL_IDC_480X640:
115 if ((xres < 480) && (yres < 640))
116 support_state = true;
117 break;
118
119 default:
120 support_state = false;
121 break;
122 }
123
124 return support_state;
125}
126
127/*====================================================================*/
128/* Gamma Function Implementation*/
129/*====================================================================*/
130
131void viafb_set_gamma_table(int bpp, unsigned int *gamma_table)
132{
133 int i, sr1a;
134 int active_device_amount = 0;
135 int device_status = viafb_DeviceStatus;
136
137 for (i = 0; i < sizeof(viafb_DeviceStatus) * 8; i++) {
138 if (device_status & 1)
139 active_device_amount++;
140 device_status >>= 1;
141 }
142
143 /* 8 bpp mode can't adjust gamma */
144 if (bpp == 8)
145 return ;
146
147 /* Enable Gamma */
148 switch (viaparinfo->chip_info->gfx_chip_name) {
149 case UNICHROME_CLE266:
150 case UNICHROME_K400:
151 viafb_write_reg_mask(SR16, VIASR, 0x80, BIT7);
152 break;
153
154 case UNICHROME_K800:
155 case UNICHROME_PM800:
156 case UNICHROME_CN700:
157 case UNICHROME_CX700:
158 case UNICHROME_K8M890:
159 case UNICHROME_P4M890:
160 case UNICHROME_P4M900:
161 viafb_write_reg_mask(CR33, VIACR, 0x80, BIT7);
162 break;
163 }
164 sr1a = (unsigned int)viafb_read_reg(VIASR, SR1A);
165 viafb_write_reg_mask(SR1A, VIASR, 0x0, BIT0);
166
167 /* Fill IGA1 Gamma Table */
168 outb(0, LUT_INDEX_WRITE);
169 for (i = 0; i < 256; i++) {
170 outb(gamma_table[i] >> 16, LUT_DATA);
171 outb(gamma_table[i] >> 8 & 0xFF, LUT_DATA);
172 outb(gamma_table[i] & 0xFF, LUT_DATA);
173 }
174
175 /* If adjust Gamma value in SAMM, fill IGA1,
176 IGA2 Gamma table simultanous. */
177 /* Switch to IGA2 Gamma Table */
178 if ((active_device_amount > 1) &&
179 !((viaparinfo->chip_info->gfx_chip_name ==
180 UNICHROME_CLE266) &&
181 (viaparinfo->chip_info->gfx_chip_revision < 15))) {
182 viafb_write_reg_mask(SR1A, VIASR, 0x01, BIT0);
183 viafb_write_reg_mask(CR6A, VIACR, 0x02, BIT1);
184
185 /* Fill IGA2 Gamma Table */
186 outb(0, LUT_INDEX_WRITE);
187 for (i = 0; i < 256; i++) {
188 outb(gamma_table[i] >> 16, LUT_DATA);
189 outb(gamma_table[i] >> 8 & 0xFF, LUT_DATA);
190 outb(gamma_table[i] & 0xFF, LUT_DATA);
191 }
192 }
193 viafb_write_reg(SR1A, VIASR, sr1a);
194}
195
196void viafb_get_gamma_table(unsigned int *gamma_table)
197{
198 unsigned char color_r, color_g, color_b;
199 unsigned char sr1a = 0;
200 int i;
201
202 /* Enable Gamma */
203 switch (viaparinfo->chip_info->gfx_chip_name) {
204 case UNICHROME_CLE266:
205 case UNICHROME_K400:
206 viafb_write_reg_mask(SR16, VIASR, 0x80, BIT7);
207 break;
208
209 case UNICHROME_K800:
210 case UNICHROME_PM800:
211 case UNICHROME_CN700:
212 case UNICHROME_CX700:
213 case UNICHROME_K8M890:
214 case UNICHROME_P4M890:
215 case UNICHROME_P4M900:
216 viafb_write_reg_mask(CR33, VIACR, 0x80, BIT7);
217 break;
218 }
219 sr1a = viafb_read_reg(VIASR, SR1A);
220 viafb_write_reg_mask(SR1A, VIASR, 0x0, BIT0);
221
222 /* Reading gamma table to get color value */
223 outb(0, LUT_INDEX_READ);
224 for (i = 0; i < 256; i++) {
225 color_r = inb(LUT_DATA);
226 color_g = inb(LUT_DATA);
227 color_b = inb(LUT_DATA);
228 gamma_table[i] =
229 ((((u32) color_r) << 16) |
230 (((u16) color_g) << 8)) | color_b;
231 }
232 viafb_write_reg(SR1A, VIASR, sr1a);
233}
234
235void viafb_get_gamma_support_state(int bpp, unsigned int *support_state)
236{
237 if (bpp == 8)
238 *support_state = None_Device;
239 else
240 *support_state = CRT_Device | DVI_Device | LCD_Device;
241}
242
243int viafb_input_parameter_converter(int parameter_value)
244{
245 int result;
246
247 if (parameter_value >= 1 && parameter_value <= 9)
248 result = 1 << (parameter_value - 1);
249 else
250 result = 1;
251
252 return result;
253}
diff --git a/drivers/video/via/via_utility.h b/drivers/video/via/via_utility.h
new file mode 100644
index 00000000000..2fd455202eb
--- /dev/null
+++ b/drivers/video/via/via_utility.h
@@ -0,0 +1,35 @@
1/*
2 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
9
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
14 * for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21#ifndef __VIAUTILITY_H__
22#define __VIAUTILITY_H__
23
24/* These functions are used to get infomation about device's state */
25void viafb_get_device_support_state(u32 *support_state);
26void viafb_get_device_connect_state(u32 *connect_state);
27bool viafb_lcd_get_support_expand_state(u32 xres, u32 yres);
28
29/* These function are used to access gamma table */
30void viafb_set_gamma_table(int bpp, unsigned int *gamma_table);
31void viafb_get_gamma_table(unsigned int *gamma_table);
32void viafb_get_gamma_support_state(int bpp, unsigned int *support_state);
33int viafb_input_parameter_converter(int parameter_value);
34
35#endif /* __VIAUTILITY_H__ */
diff --git a/drivers/video/via/vt1636.c b/drivers/video/via/vt1636.c
new file mode 100644
index 00000000000..322a9f99355
--- /dev/null
+++ b/drivers/video/via/vt1636.c
@@ -0,0 +1,306 @@
1/*
2 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
9
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
14 * for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21
22#include "global.h"
23
24u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
25 *plvds_setting_info, struct lvds_chip_information *plvds_chip_info,
26 u8 index)
27{
28 u8 data;
29
30 viaparinfo->i2c_stuff.i2c_port = plvds_chip_info->i2c_port;
31 viafb_i2c_readbyte(plvds_chip_info->lvds_chip_slave_addr, index, &data);
32
33 return data;
34}
35
36void viafb_gpio_i2c_write_mask_lvds(struct lvds_setting_information
37 *plvds_setting_info, struct lvds_chip_information
38 *plvds_chip_info, struct IODATA io_data)
39{
40 int index, data;
41
42 viaparinfo->i2c_stuff.i2c_port = plvds_chip_info->i2c_port;
43
44 index = io_data.Index;
45 data = viafb_gpio_i2c_read_lvds(plvds_setting_info, plvds_chip_info,
46 index);
47 data = (data & (~io_data.Mask)) | io_data.Data;
48
49 viafb_i2c_writebyte(plvds_chip_info->lvds_chip_slave_addr, index, data);
50}
51
52void viafb_init_lvds_vt1636(struct lvds_setting_information
53 *plvds_setting_info, struct lvds_chip_information *plvds_chip_info)
54{
55 int reg_num, i;
56
57 /* Common settings: */
58 reg_num = ARRAY_SIZE(COMMON_INIT_TBL_VT1636);
59
60 for (i = 0; i < reg_num; i++) {
61 viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
62 plvds_chip_info,
63 COMMON_INIT_TBL_VT1636[i]);
64 }
65
66 /* Input Data Mode Select */
67 if (plvds_setting_info->device_lcd_dualedge) {
68 viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
69 plvds_chip_info,
70 DUAL_CHANNEL_ENABLE_TBL_VT1636[0]);
71 } else {
72 viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
73 plvds_chip_info,
74 SINGLE_CHANNEL_ENABLE_TBL_VT1636[0]);
75 }
76
77 if (plvds_setting_info->LCDDithering) {
78 viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
79 plvds_chip_info,
80 DITHERING_ENABLE_TBL_VT1636[0]);
81 } else {
82 viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
83 plvds_chip_info,
84 DITHERING_DISABLE_TBL_VT1636[0]);
85 }
86}
87
88void viafb_enable_lvds_vt1636(struct lvds_setting_information
89 *plvds_setting_info,
90 struct lvds_chip_information *plvds_chip_info)
91{
92
93 viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info,
94 VDD_ON_TBL_VT1636[0]);
95
96 /* Pad on: */
97 switch (plvds_chip_info->output_interface) {
98 case INTERFACE_DVP0:
99 {
100 viafb_write_reg_mask(SR1E, VIASR, 0xC0, 0xC0);
101 break;
102 }
103
104 case INTERFACE_DVP1:
105 {
106 viafb_write_reg_mask(SR1E, VIASR, 0x30, 0x30);
107 break;
108 }
109
110 case INTERFACE_DFP_LOW:
111 {
112 viafb_write_reg_mask(SR2A, VIASR, 0x03, 0x03);
113 break;
114 }
115
116 case INTERFACE_DFP_HIGH:
117 {
118 viafb_write_reg_mask(SR2A, VIASR, 0x03, 0x0C);
119 break;
120 }
121
122 }
123}
124
125void viafb_disable_lvds_vt1636(struct lvds_setting_information
126 *plvds_setting_info,
127 struct lvds_chip_information *plvds_chip_info)
128{
129
130 viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info,
131 VDD_OFF_TBL_VT1636[0]);
132
133 /* Pad off: */
134 switch (plvds_chip_info->output_interface) {
135 case INTERFACE_DVP0:
136 {
137 viafb_write_reg_mask(SR1E, VIASR, 0x00, 0xC0);
138 break;
139 }
140
141 case INTERFACE_DVP1:
142 {
143 viafb_write_reg_mask(SR1E, VIASR, 0x00, 0x30);
144 break;
145 }
146
147 case INTERFACE_DFP_LOW:
148 {
149 viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x03);
150 break;
151 }
152
153 case INTERFACE_DFP_HIGH:
154 {
155 viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x0C);
156 break;
157 }
158
159 }
160}
161
162bool viafb_lvds_identify_vt1636(void)
163{
164 u8 Buffer[2];
165
166 DEBUG_MSG(KERN_INFO "viafb_lvds_identify_vt1636.\n");
167
168 /* Sense VT1636 LVDS Transmiter */
169 viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr =
170 VT1636_LVDS_I2C_ADDR;
171
172 /* Check vendor ID first: */
173 viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info.
174 lvds_chip_slave_addr,
175 0x00, &Buffer[0]);
176 viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info.
177 lvds_chip_slave_addr,
178 0x01, &Buffer[1]);
179
180 if (!((Buffer[0] == 0x06) && (Buffer[1] == 0x11)))
181 return false;
182
183 /* Check Chip ID: */
184 viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info.
185 lvds_chip_slave_addr,
186 0x02, &Buffer[0]);
187 viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info.
188 lvds_chip_slave_addr,
189 0x03, &Buffer[1]);
190 if ((Buffer[0] == 0x45) && (Buffer[1] == 0x33)) {
191 viaparinfo->chip_info->lvds_chip_info.lvds_chip_name =
192 VT1636_LVDS;
193 return true;
194 }
195
196 return false;
197}
198
199static int get_clk_range_index(u32 Clk)
200{
201 if (Clk < DPA_CLK_30M)
202 return DPA_CLK_RANGE_30M;
203 else if (Clk < DPA_CLK_50M)
204 return DPA_CLK_RANGE_30_50M;
205 else if (Clk < DPA_CLK_70M)
206 return DPA_CLK_RANGE_50_70M;
207 else if (Clk < DPA_CLK_100M)
208 return DPA_CLK_RANGE_70_100M;
209 else if (Clk < DPA_CLK_150M)
210 return DPA_CLK_RANGE_100_150M;
211 else
212 return DPA_CLK_RANGE_150M;
213}
214
215static int get_lvds_dpa_setting_index(int panel_size_id,
216 struct VT1636_DPA_SETTING *p_vt1636_dpasetting_tbl,
217 int tbl_size)
218{
219 int i;
220
221 for (i = 0; i < tbl_size; i++) {
222 if (panel_size_id == p_vt1636_dpasetting_tbl->PanelSizeID)
223 return i;
224
225 p_vt1636_dpasetting_tbl++;
226 }
227
228 return 0;
229}
230
231static void set_dpa_vt1636(struct lvds_setting_information
232 *plvds_setting_info, struct lvds_chip_information *plvds_chip_info,
233 struct VT1636_DPA_SETTING *p_vt1636_dpa_setting)
234{
235 struct IODATA io_data;
236
237 io_data.Index = 0x09;
238 io_data.Mask = 0x1F;
239 io_data.Data = p_vt1636_dpa_setting->CLK_SEL_ST1;
240 viafb_gpio_i2c_write_mask_lvds(plvds_setting_info,
241 plvds_chip_info, io_data);
242
243 io_data.Index = 0x08;
244 io_data.Mask = 0x0F;
245 io_data.Data = p_vt1636_dpa_setting->CLK_SEL_ST2;
246 viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info,
247 io_data);
248}
249
250void viafb_vt1636_patch_skew_on_vt3324(
251 struct lvds_setting_information *plvds_setting_info,
252 struct lvds_chip_information *plvds_chip_info)
253{
254 int index, size;
255
256 DEBUG_MSG(KERN_INFO "viafb_vt1636_patch_skew_on_vt3324.\n");
257
258 /* Graphics DPA settings: */
259 index = get_clk_range_index(plvds_setting_info->vclk);
260 viafb_set_dpa_gfx(plvds_chip_info->output_interface,
261 &GFX_DPA_SETTING_TBL_VT3324[index]);
262
263 /* LVDS Transmitter DPA settings: */
264 size = ARRAY_SIZE(VT1636_DPA_SETTING_TBL_VT3324);
265 index =
266 get_lvds_dpa_setting_index(plvds_setting_info->lcd_panel_id,
267 VT1636_DPA_SETTING_TBL_VT3324, size);
268 set_dpa_vt1636(plvds_setting_info, plvds_chip_info,
269 &VT1636_DPA_SETTING_TBL_VT3324[index]);
270}
271
272void viafb_vt1636_patch_skew_on_vt3327(
273 struct lvds_setting_information *plvds_setting_info,
274 struct lvds_chip_information *plvds_chip_info)
275{
276 int index, size;
277
278 DEBUG_MSG(KERN_INFO "viafb_vt1636_patch_skew_on_vt3327.\n");
279
280 /* Graphics DPA settings: */
281 index = get_clk_range_index(plvds_setting_info->vclk);
282 viafb_set_dpa_gfx(plvds_chip_info->output_interface,
283 &GFX_DPA_SETTING_TBL_VT3327[index]);
284
285 /* LVDS Transmitter DPA settings: */
286 size = ARRAY_SIZE(VT1636_DPA_SETTING_TBL_VT3327);
287 index =
288 get_lvds_dpa_setting_index(plvds_setting_info->lcd_panel_id,
289 VT1636_DPA_SETTING_TBL_VT3327, size);
290 set_dpa_vt1636(plvds_setting_info, plvds_chip_info,
291 &VT1636_DPA_SETTING_TBL_VT3327[index]);
292}
293
294void viafb_vt1636_patch_skew_on_vt3364(
295 struct lvds_setting_information *plvds_setting_info,
296 struct lvds_chip_information *plvds_chip_info)
297{
298 int index;
299
300 DEBUG_MSG(KERN_INFO "viafb_vt1636_patch_skew_on_vt3364.\n");
301
302 /* Graphics DPA settings: */
303 index = get_clk_range_index(plvds_setting_info->vclk);
304 viafb_set_dpa_gfx(plvds_chip_info->output_interface,
305 &GFX_DPA_SETTING_TBL_VT3364[index]);
306}
diff --git a/drivers/video/via/vt1636.h b/drivers/video/via/vt1636.h
new file mode 100644
index 00000000000..2a150c58c7e
--- /dev/null
+++ b/drivers/video/via/vt1636.h
@@ -0,0 +1,44 @@
1/*
2 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
9
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
14 * for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21
22#ifndef _VT1636_H_
23#define _VT1636_H_
24#include "chip.h"
25bool viafb_lvds_identify_vt1636(void);
26void viafb_init_lvds_vt1636(struct lvds_setting_information
27 *plvds_setting_info, struct lvds_chip_information *plvds_chip_info);
28void viafb_enable_lvds_vt1636(struct lvds_setting_information
29 *plvds_setting_info,
30 struct lvds_chip_information *plvds_chip_info);
31void viafb_disable_lvds_vt1636(struct lvds_setting_information
32 *plvds_setting_info,
33 struct lvds_chip_information *plvds_chip_info);
34void viafb_vt1636_patch_skew_on_vt3324(
35 struct lvds_setting_information *plvds_setting_info,
36 struct lvds_chip_information *plvds_chip_info);
37void viafb_vt1636_patch_skew_on_vt3327(
38 struct lvds_setting_information *plvds_setting_info,
39 struct lvds_chip_information *plvds_chip_info);
40void viafb_vt1636_patch_skew_on_vt3364(
41 struct lvds_setting_information *plvds_setting_info,
42 struct lvds_chip_information *plvds_chip_info);
43
44#endif
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