aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/dss-common.c
blob: 4be5cfc81ab8cd8c0ab1b6333b13c33fe6d0d733 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
/*
 * Copyright (C) 2012 Texas Instruments, Inc..
 * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

/*
 * NOTE: this is a transitional file to help with DT adaptation.
 * This file will be removed when DSS supports DT.
 */

#include <linux/kernel.h>
#include <linux/gpio.h>

#include <video/omapdss.h>
#include <video/omap-panel-tfp410.h>
#include <video/omap-panel-nokia-dsi.h>
#include <video/omap-panel-picodlp.h>

#include "soc.h"
#include "dss-common.h"
#include "mux.h"

#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
#define HDMI_GPIO_HPD  63 /* Hotplug detect */

/* Display DVI */
#define PANDA_DVI_TFP410_POWER_DOWN_GPIO	0

/* Using generic display panel */
static struct tfp410_platform_data omap4_dvi_panel = {
	.i2c_bus_num		= 3,
	.power_down_gpio	= PANDA_DVI_TFP410_POWER_DOWN_GPIO,
};

static struct omap_dss_device omap4_panda_dvi_device = {
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.name			= "dvi",
	.driver_name		= "tfp410",
	.data			= &omap4_dvi_panel,
	.phy.dpi.data_lines	= 24,
	.reset_gpio		= PANDA_DVI_TFP410_POWER_DOWN_GPIO,
	.channel		= OMAP_DSS_CHANNEL_LCD2,
};

static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
	.ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD,
	.ls_oe_gpio = HDMI_GPIO_LS_OE,
	.hpd_gpio = HDMI_GPIO_HPD,
};

static struct omap_dss_device  omap4_panda_hdmi_device = {
	.name = "hdmi",
	.driver_name = "hdmi_panel",
	.type = OMAP_DISPLAY_TYPE_HDMI,
	.channel = OMAP_DSS_CHANNEL_DIGIT,
	.data = &omap4_panda_hdmi_data,
};

static struct omap_dss_device *omap4_panda_dss_devices[] = {
	&omap4_panda_dvi_device,
	&omap4_panda_hdmi_device,
};

static struct omap_dss_board_info omap4_panda_dss_data = {
	.num_devices	= ARRAY_SIZE(omap4_panda_dss_devices),
	.devices	= omap4_panda_dss_devices,
	.default_device	= &omap4_panda_dvi_device,
};

void __init omap4_panda_display_init(void)
{
	omap_display_init(&omap4_panda_dss_data);

	/*
	 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
	 * later have external pull up on the HDMI I2C lines
	 */
	if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
		omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
	else
		omap_hdmi_init(0);

	omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
	omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
	omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
}

void __init omap4_panda_display_init_of(void)
{
	omap_display_init(&omap4_panda_dss_data);
}


/* OMAP4 Blaze display data */

#define DISPLAY_SEL_GPIO	59	/* LCD2/PicoDLP switch */
#define DLP_POWER_ON_GPIO	40

static struct nokia_dsi_panel_data dsi1_panel = {
		.name		= "taal",
		.reset_gpio	= 102,
		.use_ext_te	= false,
		.ext_te_gpio	= 101,
		.esd_interval	= 0,
		.pin_config = {
			.num_pins	= 6,
			.pins		= { 0, 1, 2, 3, 4, 5 },
		},
};

static struct omap_dss_device sdp4430_lcd_device = {
	.name			= "lcd",
	.driver_name		= "taal",
	.type			= OMAP_DISPLAY_TYPE_DSI,
	.data			= &dsi1_panel,
	.phy.dsi		= {
		.module		= 0,
	},
	.channel		= OMAP_DSS_CHANNEL_LCD,
};

static struct nokia_dsi_panel_data dsi2_panel = {
		.name		= "taal",
		.reset_gpio	= 104,
		.use_ext_te	= false,
		.ext_te_gpio	= 103,
		.esd_interval	= 0,
		.pin_config = {
			.num_pins	= 6,
			.pins		= { 0, 1, 2, 3, 4, 5 },
		},
};

static struct omap_dss_device sdp4430_lcd2_device = {
	.name			= "lcd2",
	.driver_name		= "taal",
	.type			= OMAP_DISPLAY_TYPE_DSI,
	.data			= &dsi2_panel,
	.phy.dsi		= {

		.module		= 1,
	},
	.channel		= OMAP_DSS_CHANNEL_LCD2,
};

static struct omap_dss_hdmi_data sdp4430_hdmi_data = {
	.ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD,
	.ls_oe_gpio = HDMI_GPIO_LS_OE,
	.hpd_gpio = HDMI_GPIO_HPD,
};

static struct omap_dss_device sdp4430_hdmi_device = {
	.name = "hdmi",
	.driver_name = "hdmi_panel",
	.type = OMAP_DISPLAY_TYPE_HDMI,
	.channel = OMAP_DSS_CHANNEL_DIGIT,
	.data = &sdp4430_hdmi_data,
};

static struct picodlp_panel_data sdp4430_picodlp_pdata = {
	.picodlp_adapter_id	= 2,
	.emu_done_gpio		= 44,
	.pwrgood_gpio		= 45,
};

static void sdp4430_picodlp_init(void)
{
	int r;
	const struct gpio picodlp_gpios[] = {
		{DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW,
			"DLP POWER ON"},
		{sdp4430_picodlp_pdata.emu_done_gpio, GPIOF_IN,
			"DLP EMU DONE"},
		{sdp4430_picodlp_pdata.pwrgood_gpio, GPIOF_OUT_INIT_LOW,
			"DLP PWRGOOD"},
	};

	r = gpio_request_array(picodlp_gpios, ARRAY_SIZE(picodlp_gpios));
	if (r)
		pr_err("Cannot request PicoDLP GPIOs, error %d\n", r);
}

static int sdp4430_panel_enable_picodlp(struct omap_dss_device *dssdev)
{
	gpio_set_value(DISPLAY_SEL_GPIO, 0);
	gpio_set_value(DLP_POWER_ON_GPIO, 1);

	return 0;
}

static void sdp4430_panel_disable_picodlp(struct omap_dss_device *dssdev)
{
	gpio_set_value(DLP_POWER_ON_GPIO, 0);
	gpio_set_value(DISPLAY_SEL_GPIO, 1);
}

static struct omap_dss_device sdp4430_picodlp_device = {
	.name			= "picodlp",
	.driver_name		= "picodlp_panel",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.phy.dpi.data_lines	= 24,
	.channel		= OMAP_DSS_CHANNEL_LCD2,
	.platform_enable	= sdp4430_panel_enable_picodlp,
	.platform_disable	= sdp4430_panel_disable_picodlp,
	.data			= &sdp4430_picodlp_pdata,
};

static struct omap_dss_device *sdp4430_dss_devices[] = {
	&sdp4430_lcd_device,
	&sdp4430_lcd2_device,
	&sdp4430_hdmi_device,
	&sdp4430_picodlp_device,
};

static struct omap_dss_board_info sdp4430_dss_data = {
	.num_devices	= ARRAY_SIZE(sdp4430_dss_devices),
	.devices	= sdp4430_dss_devices,
	.default_device	= &sdp4430_lcd_device,
};

void __init omap_4430sdp_display_init(void)
{
	int r;

	/* Enable LCD2 by default (instead of Pico DLP) */
	r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH,
			"display_sel");
	if (r)
		pr_err("%s: Could not get display_sel GPIO\n", __func__);

	sdp4430_picodlp_init();
	omap_display_init(&sdp4430_dss_data);
	/*
	 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
	 * later have external pull up on the HDMI I2C lines
	 */
	if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
		omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
	else
		omap_hdmi_init(0);

	omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
	omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
	omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
}

void __init omap_4430sdp_display_init_of(void)
{
	int r;

	/* Enable LCD2 by default (instead of Pico DLP) */
	r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH,
			"display_sel");
	if (r)
		pr_err("%s: Could not get display_sel GPIO\n", __func__);

	sdp4430_picodlp_init();
	omap_display_init(&sdp4430_dss_data);
}