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Diffstat (limited to 'arch/arm/mach-tegra/board-touch-raydium_spi.c')
-rw-r--r--arch/arm/mach-tegra/board-touch-raydium_spi.c243
1 files changed, 243 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-touch-raydium_spi.c b/arch/arm/mach-tegra/board-touch-raydium_spi.c
new file mode 100644
index 00000000000..9f5843a0e62
--- /dev/null
+++ b/arch/arm/mach-tegra/board-touch-raydium_spi.c
@@ -0,0 +1,243 @@
1/*
2 * arch/arm/mach-tegra/board-touch-raydium_spi.c
3 *
4 * Copyright (c) 2011, NVIDIA Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 */
20
21#include <linux/errno.h>
22#include <linux/kernel.h>
23#include <linux/spi/spi.h>
24#include <linux/delay.h>
25#include <linux/gpio.h>
26#include <linux/spi/rm31080a_ts.h>
27
28/* Raydium touchscreen Driver data */
29/*-----------------------------------------------------*/
30static const u8 rm31080_config_cardhu[] = {
31 0x00, 0x00, 0x00, 0x00, 0x30, 0x1e, 0x20, 0x0f,
32 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x08,
33 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
34 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
35 0x10, 0x10, 0x06, 0x06, 0x04, 0x01, 0x02, 0x00,
36 0x00, 0x0a, 0x00, 0xd5, 0x2b, 0x00, 0x00, 0x09,
37 0x2c, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
38 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
39 0x28, 0xf8, 0x50, 0xce, 0x0a, 0x0c, 0x00, 0x00,
40 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
41 0x16, 0x1b, 0x14, 0x16, 0x16, 0x18, 0x32, 0x19,
42 0x1d, 0x08, 0x30, 0x19, 0x10, 0xf6, 0xe2, 0x08,
43 0x28, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00,
44 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
45 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
46 0x00, 0x21, 0x00, 0x00, 0x21, 0x00, 0x00, 0x21,
47 0x00, 0x00, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00,
48 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x80,
49 0x00, 0xc0, 0x00, 0xc2, 0x00, 0xf0, 0xed, 0x02,
50 0xed, 0x02, 0x00, 0x90, 0x0a, 0x06, 0x80, 0x02,
51 0x00, 0x04, 0x00, 0x20, 0x03, 0x02, 0x08, 0x03,
52 0x10, 0x20, 0x20, 0x40, 0x10, 0x00, 0x00, 0x00,
53 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
54 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
55 0x10, 0x10, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00,
56 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
57 0x50, 0x80, 0x02, 0x02, 0x02, 0x00, 0x00, 0x33,
58 0x32, 0x00, 0x01, 0x4c, 0xfa, 0x00, 0x00, 0x43,
59 0x3c, 0x00, 0x01, 0x38, 0xe6, 0x00, 0x00, 0x26,
60 0x19, 0x00, 0x02, 0x66, 0x19, 0x00, 0x02, 0x50,
61 0x64, 0x00, 0x00, 0x36, 0x4a, 0x00, 0x00, 0x0c,
62 0x19, 0x00, 0x02, 0x64, 0x96, 0xab, 0x88, 0x78,
63 0x88, 0x78, 0x04, 0x0f, 0x38, 0xff, 0x02, 0x04,
64 0x80, 0xe0, 0x13, 0x01, 0x00, 0x44, 0x61, 0x12,
65 0x41, 0x00, 0x00, 0x00, 0x00, 0x97, 0x01, 0x0c,
66 0x44, 0x61, 0x12, 0x29, 0x29, 0x41, 0x00, 0x00,
67 0x97, 0x06, 0x0c, 0x12, 0x41, 0x44, 0x52, 0x52,
68 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
69 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
70 0x00, 0x00, 0x80, 0x80, 0x01, 0x80, 0x01, 0x80,
71 0x22, 0x33, 0x22, 0x33, 0x66, 0x20, 0xff, 0xc9,
72 0x19, 0xd0, 0xd0, 0x44, 0x00, 0x10, 0x00, 0x80,
73 0x05, 0x44, 0xff, 0x00, 0x00, 0x10, 0x50, 0x00,
74 0x00, 0x00, 0x30, 0x00, 0x00, 0x18, 0x18, 0x0f,
75 0x0f, 0xf0, 0xf0, 0x00, 0x00, 0x10, 0x10, 0x00,
76 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x00,
77 0x00, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,
78 0x00, 0x00, 0x00, 0x10, 0x01, 0x10, 0x01, 0x02,
79};
80
81/* Wintek 7" MB (01.18.10.01.10) */
82static const u8 rm31080_config_kai_mainboard[] = {
83 0x00, 0x00, 0x00, 0x00, 0x1e, 0x12, 0x20, 0x0f,
84 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x07,
85 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
86 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
87 0x19, 0x19, 0x06, 0x06, 0x04, 0x10, 0x02, 0x00,
88 0x00, 0x0a, 0x00, 0xd5, 0x2b, 0x00, 0x00, 0x09,
89 0x2c, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
90 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
91 0x28, 0xec, 0x5f, 0xce, 0x14, 0x0a, 0x00, 0x00,
92 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
93 0x14, 0x19, 0x14, 0x19, 0x10, 0x10, 0x32, 0x12,
94 0x1d, 0x08, 0x20, 0x19, 0x10, 0xf6, 0xe2, 0x08,
95 0x1c, 0x04, 0x04, 0x20, 0x0f, 0x1c, 0x00, 0x00,
96 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
97 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
98 0x00, 0x28, 0x00, 0x10, 0x22, 0x00, 0x00, 0x21,
99 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00,
100 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x60,
101 0x00, 0xa8, 0x00, 0xa8, 0x00, 0xd0, 0xed, 0x02,
102 0xed, 0x02, 0x00, 0x90, 0x0a, 0x06, 0x20, 0x02,
103 0x70, 0x03, 0x20, 0x1b, 0x03, 0x02, 0x08, 0x03,
104 0x10, 0x20, 0x20, 0x40, 0x10, 0x00, 0x00, 0x00,
105 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
106 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
107 0x20, 0x20, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00,
108 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
109 0x50, 0x80, 0x02, 0x02, 0x02, 0x00, 0x00, 0x33,
110 0x32, 0x00, 0x01, 0x60, 0xfa, 0x00, 0x00, 0x43,
111 0x3c, 0x00, 0x01, 0x4c, 0xe6, 0x00, 0x00, 0x26,
112 0x19, 0x00, 0x02, 0x7a, 0x19, 0x00, 0x02, 0x50,
113 0x64, 0x00, 0x00, 0x36, 0x4a, 0x00, 0x00, 0x0c,
114 0x19, 0x00, 0x02, 0x64, 0x96, 0xab, 0x88, 0x78,
115 0x88, 0x78, 0x04, 0x0f, 0x38, 0xff, 0x02, 0x04,
116 0x80, 0xe0, 0x13, 0x02, 0x00, 0x2c, 0x1b, 0x4b,
117 0x2e, 0x00, 0x00, 0x00, 0x00, 0x97, 0x06, 0x0c,
118 0x2c, 0x1b, 0x2e, 0x3c, 0x3c, 0x4b, 0x00, 0x00,
119 0x97, 0x06, 0x0c, 0x12, 0x41, 0x44, 0x52, 0x52,
120 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
121 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
122 0x00, 0x00, 0x80, 0x80, 0x01, 0x80, 0x01, 0x80,
123 0x21, 0x33, 0x21, 0x33, 0x66, 0x20, 0xff, 0xc9,
124 0x19, 0xd0, 0xd0, 0x44, 0x00, 0x10, 0x00, 0x80,
125 0x05, 0x44, 0xff, 0x00, 0x00, 0x10, 0x50, 0x00,
126 0x00, 0x00, 0x30, 0x00, 0x00, 0x18, 0x18, 0x0f,
127 0x0f, 0xf0, 0xf0, 0x00, 0x00, 0x10, 0x10, 0x00,
128 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x00,
129 0x00, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,
130 0x00, 0x00, 0x00, 0x10, 0x01, 0x10, 0x01, 0x02,
131};
132
133/* Wintek 7" PCB (01.18.10.01.10), TS IC is on the mainboard */
134static const u8 rm31080_config_kai_pcb[] = {
135 0x00, 0x00, 0x00, 0x00, 0x1e, 0x12, 0x20, 0x0f,
136 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x07,
137 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
138 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
139 0x19, 0x19, 0x06, 0x06, 0x04, 0x10, 0x02, 0x00,
140 0x00, 0x0a, 0x00, 0xd5, 0x2b, 0x00, 0x00, 0x09,
141 0x2c, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
142 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
143 0x28, 0xec, 0x5f, 0xce, 0x14, 0x0a, 0x00, 0x00,
144 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
145 0x14, 0x19, 0x14, 0x19, 0x10, 0x10, 0x32, 0x12,
146 0x1d, 0x08, 0x20, 0x19, 0x10, 0xf6, 0xe2, 0x08,
147 0x1c, 0x04, 0x04, 0x20, 0x0f, 0x1c, 0x00, 0x00,
148 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
149 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
150 0x00, 0x28, 0x00, 0x10, 0x22, 0x00, 0x00, 0x21,
151 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00,
152 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x60,
153 0x00, 0xa8, 0x00, 0xa8, 0x00, 0xd0, 0xed, 0x02,
154 0xed, 0x02, 0x00, 0x90, 0x0a, 0x06, 0x20, 0x02,
155 0x70, 0x03, 0x20, 0x1b, 0x03, 0x02, 0x08, 0x03,
156 0x10, 0x20, 0x20, 0x40, 0x10, 0x00, 0x00, 0x00,
157 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
158 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
159 0x20, 0x20, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00,
160 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
161 0x50, 0x80, 0x02, 0x02, 0x02, 0x00, 0x00, 0x33,
162 0x32, 0x00, 0x01, 0x60, 0xfa, 0x00, 0x00, 0x43,
163 0x3c, 0x00, 0x01, 0x4c, 0xe6, 0x00, 0x00, 0x26,
164 0x19, 0x00, 0x02, 0x7a, 0x19, 0x00, 0x02, 0x50,
165 0x64, 0x00, 0x00, 0x36, 0x4a, 0x00, 0x00, 0x0c,
166 0x19, 0x00, 0x02, 0x64, 0x96, 0xab, 0x88, 0x78,
167 0x88, 0x78, 0x04, 0x0f, 0x38, 0xff, 0x02, 0x04,
168 0x80, 0xe0, 0x13, 0x02, 0x00, 0x28, 0x17, 0x4b,
169 0x2e, 0x00, 0x00, 0x00, 0x00, 0x97, 0x06, 0x0c,
170 0x28, 0x17, 0x2e, 0x3c, 0x3c, 0x4b, 0x00, 0x00,
171 0x97, 0x06, 0x0c, 0x12, 0x41, 0x44, 0x52, 0x52,
172 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
173 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
174 0x00, 0x00, 0x80, 0x80, 0x01, 0x80, 0x01, 0x80,
175 0x21, 0x33, 0x21, 0x33, 0x66, 0x20, 0xff, 0xc9,
176 0x19, 0xd0, 0xd0, 0x44, 0x00, 0x10, 0x00, 0x80,
177 0x05, 0x44, 0xff, 0x00, 0x00, 0x10, 0x50, 0x00,
178 0x00, 0x00, 0x30, 0x00, 0x00, 0x18, 0x18, 0x0f,
179 0x0f, 0xf0, 0xf0, 0x00, 0x00, 0x10, 0x10, 0x00,
180 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x00,
181 0x00, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,
182 0x00, 0x00, 0x00, 0x10, 0x01, 0x10, 0x01, 0x02,
183};
184
185struct rm_spi_ts_platform_data rm31080ts_data = {
186 .gpio_reset = 0,
187 .config = 0,
188};
189
190struct spi_board_info rm31080a_spi_board[1] = {
191 {
192 .modalias = "rm_ts_spidev",
193 .bus_num = 0,
194 .chip_select = 0,
195 .max_speed_hz = 13 * 1000 * 1000,
196 .mode = SPI_MODE_0,
197 .platform_data = &rm31080ts_data,
198 },
199};
200
201int __init touch_init_raydium(int irq_gpio, int reset_gpio, int platform)
202{
203 int err = 0;
204 tegra_gpio_enable(irq_gpio);
205 gpio_request(irq_gpio, "raydium-irq");
206 gpio_direction_input(irq_gpio);
207
208 tegra_gpio_enable(reset_gpio);
209 gpio_request(reset_gpio, "raydium-reset");
210 gpio_direction_output(reset_gpio, 0);
211
212 rm31080ts_data.gpio_reset = reset_gpio;
213
214 msleep(1);
215 gpio_set_value(reset_gpio, 1);
216 msleep(100);
217
218 rm31080a_spi_board[0].irq = TEGRA_GPIO_TO_IRQ(irq_gpio);
219
220 switch (platform) {
221 case 0:
222 pr_info("Raydium Kai PCB based touch init\n");
223 rm31080ts_data.config = rm31080_config_kai_pcb;
224 break;
225 case 1:
226 pr_info("Raydium Kai On-Board touch init\n");
227 rm31080ts_data.config = rm31080_config_kai_mainboard;
228 break;
229 case 2:
230 pr_info("Raydium cardhu touch init\n");
231 rm31080ts_data.config = rm31080_config_cardhu;
232 break;
233 default:
234 pr_err("touch_id error, no touch\n");
235 err = -ENODEV;
236 }
237
238 if(!err)
239 spi_register_board_info(rm31080a_spi_board,
240 ARRAY_SIZE(rm31080a_spi_board));
241
242 return err;
243}
generated by cgit v1.2.2 (git 2.25.0) at 2025-07-23 19:48:31 -0400