aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-msm/board-trout-panel.c
blob: 89bf6b426699863d8230d9fcdf2b9d66bfa3cdc3 (plain) (blame)
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
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
/* linux/arch/arm/mach-msm/board-trout-mddi.c
** Author: Brian Swetland <swetland@google.com>
*/
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/leds.h>
#include <linux/clk.h>
#include <linux/err.h>

#include <asm/io.h>
#include <asm/mach-types.h>
#include <asm/system_info.h>

#include <mach/msm_fb.h>
#include <mach/vreg.h>

#include "board-trout.h"
#include "proc_comm.h"
#include "devices.h"

#define TROUT_DEFAULT_BACKLIGHT_BRIGHTNESS 255

#define MDDI_CLIENT_CORE_BASE  0x108000
#define LCD_CONTROL_BLOCK_BASE 0x110000
#define SPI_BLOCK_BASE         0x120000
#define I2C_BLOCK_BASE         0x130000
#define PWM_BLOCK_BASE         0x140000
#define GPIO_BLOCK_BASE        0x150000
#define SYSTEM_BLOCK1_BASE     0x160000
#define SYSTEM_BLOCK2_BASE     0x170000


#define	DPSUS       (MDDI_CLIENT_CORE_BASE|0x24)
#define	SYSCLKENA   (MDDI_CLIENT_CORE_BASE|0x2C)
#define	PWM0OFF	      (PWM_BLOCK_BASE|0x1C)

#define V_VDDE2E_VDD2_GPIO 0
#define MDDI_RST_N 82

#define	MDDICAP0    (MDDI_CLIENT_CORE_BASE|0x00)
#define	MDDICAP1    (MDDI_CLIENT_CORE_BASE|0x04)
#define	MDDICAP2    (MDDI_CLIENT_CORE_BASE|0x08)
#define	MDDICAP3    (MDDI_CLIENT_CORE_BASE|0x0C)
#define	MDCAPCHG    (MDDI_CLIENT_CORE_BASE|0x10)
#define	MDCRCERC    (MDDI_CLIENT_CORE_BASE|0x14)
#define	TTBUSSEL    (MDDI_CLIENT_CORE_BASE|0x18)
#define	DPSET0      (MDDI_CLIENT_CORE_BASE|0x1C)
#define	DPSET1      (MDDI_CLIENT_CORE_BASE|0x20)
#define	DPSUS       (MDDI_CLIENT_CORE_BASE|0x24)
#define	DPRUN       (MDDI_CLIENT_CORE_BASE|0x28)
#define	SYSCKENA    (MDDI_CLIENT_CORE_BASE|0x2C)
#define	TESTMODE    (MDDI_CLIENT_CORE_BASE|0x30)
#define	FIFOMONI    (MDDI_CLIENT_CORE_BASE|0x34)
#define	INTMONI     (MDDI_CLIENT_CORE_BASE|0x38)
#define	MDIOBIST    (MDDI_CLIENT_CORE_BASE|0x3C)
#define	MDIOPSET    (MDDI_CLIENT_CORE_BASE|0x40)
#define	BITMAP0     (MDDI_CLIENT_CORE_BASE|0x44)
#define	BITMAP1     (MDDI_CLIENT_CORE_BASE|0x48)
#define	BITMAP2     (MDDI_CLIENT_CORE_BASE|0x4C)
#define	BITMAP3     (MDDI_CLIENT_CORE_BASE|0x50)
#define	BITMAP4     (MDDI_CLIENT_CORE_BASE|0x54)

#define	SRST        (LCD_CONTROL_BLOCK_BASE|0x00)
#define	PORT_ENB    (LCD_CONTROL_BLOCK_BASE|0x04)
#define	START       (LCD_CONTROL_BLOCK_BASE|0x08)
#define	PORT        (LCD_CONTROL_BLOCK_BASE|0x0C)
#define	CMN         (LCD_CONTROL_BLOCK_BASE|0x10)
#define	GAMMA       (LCD_CONTROL_BLOCK_BASE|0x14)
#define	INTFLG      (LCD_CONTROL_BLOCK_BASE|0x18)
#define	INTMSK      (LCD_CONTROL_BLOCK_BASE|0x1C)
#define	MPLFBUF     (LCD_CONTROL_BLOCK_BASE|0x20)
#define	HDE_LEFT    (LCD_CONTROL_BLOCK_BASE|0x24)
#define	VDE_TOP     (LCD_CONTROL_BLOCK_BASE|0x28)
#define	PXL         (LCD_CONTROL_BLOCK_BASE|0x30)
#define	HCYCLE      (LCD_CONTROL_BLOCK_BASE|0x34)
#define	HSW         (LCD_CONTROL_BLOCK_BASE|0x38)
#define	HDE_START   (LCD_CONTROL_BLOCK_BASE|0x3C)
#define	HDE_SIZE    (LCD_CONTROL_BLOCK_BASE|0x40)
#define	VCYCLE      (LCD_CONTROL_BLOCK_BASE|0x44)
#define	VSW         (LCD_CONTROL_BLOCK_BASE|0x48)
#define	VDE_START   (LCD_CONTROL_BLOCK_BASE|0x4C)
#define	VDE_SIZE    (LCD_CONTROL_BLOCK_BASE|0x50)
#define	WAKEUP      (LCD_CONTROL_BLOCK_BASE|0x54)
#define	WSYN_DLY    (LCD_CONTROL_BLOCK_BASE|0x58)
#define	REGENB      (LCD_CONTROL_BLOCK_BASE|0x5C)
#define	VSYNIF      (LCD_CONTROL_BLOCK_BASE|0x60)
#define	WRSTB       (LCD_CONTROL_BLOCK_BASE|0x64)
#define	RDSTB       (LCD_CONTROL_BLOCK_BASE|0x68)
#define	ASY_DATA    (LCD_CONTROL_BLOCK_BASE|0x6C)
#define	ASY_DATB    (LCD_CONTROL_BLOCK_BASE|0x70)
#define	ASY_DATC    (LCD_CONTROL_BLOCK_BASE|0x74)
#define	ASY_DATD    (LCD_CONTROL_BLOCK_BASE|0x78)
#define	ASY_DATE    (LCD_CONTROL_BLOCK_BASE|0x7C)
#define	ASY_DATF    (LCD_CONTROL_BLOCK_BASE|0x80)
#define	ASY_DATG    (LCD_CONTROL_BLOCK_BASE|0x84)
#define	ASY_DATH    (LCD_CONTROL_BLOCK_BASE|0x88)
#define	ASY_CMDSET  (LCD_CONTROL_BLOCK_BASE|0x8C)

#define	SSICTL      (SPI_BLOCK_BASE|0x00)
#define	SSITIME     (SPI_BLOCK_BASE|0x04)
#define	SSITX       (SPI_BLOCK_BASE|0x08)
#define	SSIRX       (SPI_BLOCK_BASE|0x0C)
#define	SSIINTC     (SPI_BLOCK_BASE|0x10)
#define	SSIINTS     (SPI_BLOCK_BASE|0x14)
#define	SSIDBG1     (SPI_BLOCK_BASE|0x18)
#define	SSIDBG2     (SPI_BLOCK_BASE|0x1C)
#define	SSIID       (SPI_BLOCK_BASE|0x20)

#define	WKREQ       (SYSTEM_BLOCK1_BASE|0x00)
#define	CLKENB      (SYSTEM_BLOCK1_BASE|0x04)
#define	DRAMPWR     (SYSTEM_BLOCK1_BASE|0x08)
#define	INTMASK     (SYSTEM_BLOCK1_BASE|0x0C)
#define	GPIOSEL     (SYSTEM_BLOCK2_BASE|0x00)

#define	GPIODATA    (GPIO_BLOCK_BASE|0x00)
#define	GPIODIR     (GPIO_BLOCK_BASE|0x04)
#define	GPIOIS      (GPIO_BLOCK_BASE|0x08)
#define	GPIOIBE     (GPIO_BLOCK_BASE|0x0C)
#define	GPIOIEV     (GPIO_BLOCK_BASE|0x10)
#define	GPIOIE      (GPIO_BLOCK_BASE|0x14)
#define	GPIORIS     (GPIO_BLOCK_BASE|0x18)
#define	GPIOMIS     (GPIO_BLOCK_BASE|0x1C)
#define	GPIOIC      (GPIO_BLOCK_BASE|0x20)
#define	GPIOOMS     (GPIO_BLOCK_BASE|0x24)
#define	GPIOPC      (GPIO_BLOCK_BASE|0x28)
#define	GPIOID      (GPIO_BLOCK_BASE|0x30)

#define SPI_WRITE(reg, val) \
	{ SSITX,        0x00010000 | (((reg) & 0xff) << 8) | ((val) & 0xff) }, \
	{ 0, 5 },

#define SPI_WRITE1(reg) \
	{ SSITX,        (reg) & 0xff }, \
	{ 0, 5 },

struct mddi_table {
	uint32_t reg;
	uint32_t value;
};
static struct mddi_table mddi_toshiba_init_table[] = {
	{ DPSET0,       0x09e90046 },
	{ DPSET1,       0x00000118 },
	{ DPSUS,        0x00000000 },
	{ DPRUN,        0x00000001 },
	{ 1,            14         }, /* msleep 14 */
	{ SYSCKENA,     0x00000001 },
	{ CLKENB,       0x0000A1EF },  /*    # SYS.CLKENB  # Enable clocks for each module (without DCLK , i2cCLK) */

	{ GPIODATA,     0x02000200 },  /*   # GPI .GPIODATA  # GPIO2(RESET_LCD_N) set to 0 , GPIO3(eDRAM_Power) set to 0 */
	{ GPIODIR,      0x000030D  },  /* 24D   # GPI .GPIODIR  # Select direction of GPIO port (0,2,3,6,9 output) */
	{ GPIOSEL,      0/*0x00000173*/},  /*   # SYS.GPIOSEL  # GPIO port multiplexing control */
	{ GPIOPC,       0x03C300C0 },  /*   # GPI .GPIOPC  # GPIO2,3 PD cut */
	{ WKREQ,        0x00000000 },  /*   # SYS.WKREQ  # Wake-up request event is VSYNC alignment */

	{ GPIOIBE,      0x000003FF },
	{ GPIOIS,       0x00000000 },
	{ GPIOIC,       0x000003FF },
	{ GPIOIE,       0x00000000 },

	{ GPIODATA,     0x00040004 },  /*   # GPI .GPIODATA  # eDRAM VD supply */
	{ 1,            1          }, /* msleep 1 */
	{ GPIODATA,     0x02040004 },  /*   # GPI .GPIODATA  # eDRAM VD supply */
	{ DRAMPWR,      0x00000001 }, /* eDRAM power */
};

#define GPIOSEL_VWAKEINT (1U << 0)
#define INTMASK_VWAKEOUT (1U << 0)


static struct clk *gp_clk;
static int trout_new_backlight = 1;
static struct vreg *vreg_mddi_1v5;
static struct vreg *vreg_lcm_2v85;

static void trout_process_mddi_table(struct msm_mddi_client_data *client_data,
				     struct mddi_table *table, size_t count)
{
	int i;
	for (i = 0; i < count; i++) {
		uint32_t reg = table[i].reg;
		uint32_t value = table[i].value;

		if (reg == 0)
			udelay(value);
		else if (reg == 1)
			msleep(value);
		else
			client_data->remote_write(client_data, value, reg);
	}
}

static int trout_mddi_toshiba_client_init(
	struct msm_mddi_bridge_platform_data *bridge_data,
	struct msm_mddi_client_data *client_data)
{
	int panel_id;

	client_data->auto_hibernate(client_data, 0);
	trout_process_mddi_table(client_data, mddi_toshiba_init_table,
				 ARRAY_SIZE(mddi_toshiba_init_table));
	client_data->auto_hibernate(client_data, 1);
	panel_id = (client_data->remote_read(client_data, GPIODATA) >> 4) & 3;
	if (panel_id > 1) {
		printk(KERN_WARNING "unknown panel id at mddi_enable\n");
		return -1;
	}
	return 0;
}

static int trout_mddi_toshiba_client_uninit(
	struct msm_mddi_bridge_platform_data *bridge_data,
	struct msm_mddi_client_data *client_data)
{
	return 0;
}

static struct resource resources_msm_fb[] = {
	{
		.start = MSM_FB_BASE,
		.end = MSM_FB_BASE + MSM_FB_SIZE,
		.flags = IORESOURCE_MEM,
	},
};

struct msm_mddi_bridge_platform_data toshiba_client_data = {
	.init = trout_mddi_toshiba_client_init,
	.uninit = trout_mddi_toshiba_client_uninit,
	.fb_data = {
		.xres = 320,
		.yres = 480,
		.width = 45,
		.height = 67,
		.output_format = 0,
	},
};

static struct msm_mddi_platform_data mddi_pdata = {
	.clk_rate = 122880000,
	.fb_resource = resources_msm_fb,
	.num_clients = 1,
	.client_platform_data = {
		{
			.product_id = (0xd263 << 16 | 0),
			.name = "mddi_c_d263_0000",
			.id = 0,
			.client_data = &toshiba_client_data,
			.clk_rate = 0,
		},
	},
};

int __init trout_init_panel(void)
{
	int rc;

	if (!machine_is_trout())
		return 0;
	vreg_mddi_1v5 = vreg_get(0, "gp2");
	if (IS_ERR(vreg_mddi_1v5))
		return PTR_ERR(vreg_mddi_1v5);
	vreg_lcm_2v85 = vreg_get(0, "gp4");
	if (IS_ERR(vreg_lcm_2v85))
		return PTR_ERR(vreg_lcm_2v85);

	trout_new_backlight = system_rev >= 5;
	if (trout_new_backlight) {
		uint32_t config = PCOM_GPIO_CFG(27, 0, GPIO_OUTPUT,
						GPIO_NO_PULL, GPIO_8MA);
		msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, 0);
	} else {
		uint32_t config = PCOM_GPIO_CFG(27, 1, GPIO_OUTPUT,
						GPIO_NO_PULL, GPIO_8MA);
		msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, 0);

		gp_clk = clk_get(NULL, "gp_clk");
		if (IS_ERR(gp_clk)) {
			printk(KERN_ERR "trout_init_panel: could not get gp"
			       "clock\n");
			gp_clk = NULL;
		}
		rc = clk_set_rate(gp_clk, 19200000);
		if (rc)
			printk(KERN_ERR "trout_init_panel: set clock rate "
			       "failed\n");
	}

	rc = platform_device_register(&msm_device_mdp);
	if (rc)
		return rc;
	msm_device_mddi0.dev.platform_data = &mddi_pdata;
	return platform_device_register(&msm_device_mddi0);
}

device_initcall(trout_init_panel);