[glsdk/meta-ti-glsdk.git] / recipes-bsp / linux / linux-omap-psp-2.6.32 / cam / 0004-omap3beagle-Add-camera-support.patch
1 From e91589e4c2736495be6f1252599d5115b33ac8c8 Mon Sep 17 00:00:00 2001
2 From: Sergio Aguirre <saaguirre@ti.com>
3 Date: Fri, 11 Jun 2010 16:15:58 -0500
4 Subject: [PATCH 04/75] omap3beagle: Add camera support
6 This is tested with the xM + Leopard imaging module camera, which
7 has a MT9T111.
9 Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
10 ---
11 arch/arm/mach-omap2/Makefile | 3 +-
12 arch/arm/mach-omap2/board-omap3beagle-camera.c | 228 ++++++++++++++++++++++++
13 arch/arm/mach-omap2/board-omap3beagle-camera.h | 41 +++++
14 arch/arm/mach-omap2/board-omap3beagle.c | 25 +++
15 4 files changed, 296 insertions(+), 1 deletions(-)
16 create mode 100644 arch/arm/mach-omap2/board-omap3beagle-camera.c
17 create mode 100644 arch/arm/mach-omap2/board-omap3beagle-camera.h
19 diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
20 index fa01859..4d9dcdd 100644
21 --- a/arch/arm/mach-omap2/Makefile
22 +++ b/arch/arm/mach-omap2/Makefile
23 @@ -87,7 +87,8 @@ obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o \
24 mmc-twl4030.o
25 obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o
26 obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o \
27 - mmc-twl4030.o
28 + mmc-twl4030.o \
29 + board-omap3beagle-camera.o
30 obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o \
31 mmc-twl4030.o \
32 board-ldp-camera.o
33 diff --git a/arch/arm/mach-omap2/board-omap3beagle-camera.c b/arch/arm/mach-omap2/board-omap3beagle-camera.c
34 new file mode 100644
35 index 0000000..e93437f
36 --- /dev/null
37 +++ b/arch/arm/mach-omap2/board-omap3beagle-camera.c
38 @@ -0,0 +1,228 @@
39 +/*
40 + * Driver for Leopard Module Board used in Beagleboard (xM)
41 + *
42 + * Copyright (C) 2010 Texas Instruments Inc
43 + * Author: Sergio Aguirre <saaguirre@ti.com>
44 + *
45 + * Based on work done by:
46 + * Vaibhav Hiremath <hvaibhav@ti.com>
47 + * Anuj Aggarwal <anuj.aggarwal@ti.com>
48 + * Sivaraj R <sivaraj@ti.com>
49 + *
50 + * This package is free software; you can redistribute it and/or modify
51 + * it under the terms of the GNU General Public License version 2 as
52 + * published by the Free Software Foundation.
53 + *
54 + * This program is distributed in the hope that it will be useful,
55 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
56 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
57 + * GNU General Public License for more details.
58 + *
59 + * You should have received a copy of the GNU General Public License
60 + * along with this program; if not, write to the Free Software
61 + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
62 + */
63 +
64 +#include <linux/init.h>
65 +#include <linux/i2c.h>
66 +#include <linux/gpio.h>
67 +#include <linux/mm.h>
68 +#include <linux/videodev2.h>
69 +#include <linux/i2c/twl.h>
70 +#include <linux/delay.h>
71 +
72 +#include <plat/mux.h>
73 +#include <plat/board.h>
74 +
75 +#include <media/v4l2-int-device.h>
76 +#include <media/mt9t111.h>
77 +
78 +/* Include V4L2 ISP-Camera driver related header file */
79 +#include <../drivers/media/video/omap34xxcam.h>
80 +#include <../drivers/media/video/isp/ispreg.h>
81 +
82 +#include "mux.h"
83 +#include "board-omap3beagle-camera.h"
84 +
85 +#define MODULE_NAME "omap3beaglelmb"
86 +
87 +#define MT9T111_I2C_BUSNUM (2)
88 +
89 +#define CAM_USE_XCLKA 1
90 +
91 +#if defined(CONFIG_VIDEO_MT9T111) || defined(CONFIG_VIDEO_MT9T111_MODULE)
92 +static struct isp_interface_config mt9t111_if_config = {
93 + .ccdc_par_ser = ISP_PARLL,
94 + .dataline_shift = 0x0,
95 + .hsvs_syncdetect = ISPCTRL_SYNC_DETECT_VSRISE,
96 + .strobe = 0x0,
97 + .prestrobe = 0x0,
98 + .shutter = 0x0,
99 + .u.par.par_bridge = 0x1,
100 + .u.par.par_clk_pol = 0x0,
101 +};
102 +
103 +static struct v4l2_ifparm mt9t111_ifparm_s = {
104 +#if 1
105 + .if_type = V4L2_IF_TYPE_RAW,
106 + .u = {
107 + .raw = {
108 + .frame_start_on_rising_vs = 1,
109 + .bt_sync_correct = 0,
110 + .swap = 0,
111 + .latch_clk_inv = 0,
112 + .nobt_hs_inv = 0, /* active high */
113 + .nobt_vs_inv = 0, /* active high */
114 + .clock_min = MT9T111_CLK_MIN,
115 + .clock_max = MT9T111_CLK_MAX,
116 + },
117 + },
118 +#else
119 + .if_type = V4L2_IF_TYPE_YCbCr,
120 + .u = {
121 + .ycbcr = {
122 + .frame_start_on_rising_vs = 1,
123 + .bt_sync_correct = 0,
124 + .swap = 0,
125 + .latch_clk_inv = 0,
126 + .nobt_hs_inv = 0, /* active high */
127 + .nobt_vs_inv = 0, /* active high */
128 + .clock_min = MT9T111_CLK_MIN,
129 + .clock_max = MT9T111_CLK_MAX,
130 + },
131 + },
132 +#endif
133 +};
134 +
135 +/**
136 + * @brief mt9t111_ifparm - Returns the mt9t111 interface parameters
137 + *
138 + * @param p - pointer to v4l2_ifparm structure
139 + *
140 + * @return result of operation - 0 is success
141 + */
142 +static int mt9t111_ifparm(struct v4l2_ifparm *p)
143 +{
144 + if (p == NULL)
145 + return -EINVAL;
146 +
147 + *p = mt9t111_ifparm_s;
148 + return 0;
149 +}
150 +
151 +#if defined(CONFIG_VIDEO_OMAP3) || defined(CONFIG_VIDEO_OMAP3_MODULE)
152 +static struct omap34xxcam_hw_config mt9t111_hwc = {
153 + .dev_index = 0,
154 + .dev_minor = 0,
155 + .dev_type = OMAP34XXCAM_SLAVE_SENSOR,
156 + .u.sensor.sensor_isp = 1,
157 +};
158 +#endif
159 +
160 +/**
161 + * @brief mt9t111_set_prv_data - Returns mt9t111 omap34xx driver private data
162 + *
163 + * @param priv - pointer to omap34xxcam_hw_config structure
164 + *
165 + * @return result of operation - 0 is success
166 + */
167 +static int mt9t111_set_prv_data(void *priv)
168 +{
169 +#if defined(CONFIG_VIDEO_OMAP3) || defined(CONFIG_VIDEO_OMAP3_MODULE)
170 + struct omap34xxcam_hw_config *hwc = priv;
171 +
172 + if (priv == NULL)
173 + return -EINVAL;
174 +
175 + hwc->u.sensor = mt9t111_hwc.u.sensor;
176 + hwc->dev_index = mt9t111_hwc.dev_index;
177 + hwc->dev_minor = mt9t111_hwc.dev_minor;
178 + hwc->dev_type = mt9t111_hwc.dev_type;
179 + return 0;
180 +#else
181 + return -EINVAL;
182 +#endif
183 +}
184 +
185 +/**
186 + * @brief mt9t111_power_set - Power-on or power-off TVP5146 device
187 + *
188 + * @param power - enum, Power on/off, resume/standby
189 + *
190 + * @return result of operation - 0 is success
191 + */
192 +static int mt9t111_power_set(struct v4l2_int_device *s, enum v4l2_power power)
193 +{
194 + struct omap34xxcam_videodev *vdev = s->u.slave->master->priv;
195 +
196 + switch (power) {
197 + case V4L2_POWER_OFF:
198 + isp_set_xclk(vdev->cam->isp, 0, CAM_USE_XCLKA);
199 + break;
200 +
201 + case V4L2_POWER_STANDBY:
202 + break;
203 +
204 + case V4L2_POWER_ON:
205 + isp_set_xclk(vdev->cam->isp, MT9T111_CLK_MIN, CAM_USE_XCLKA);
206 +
207 +#if defined(CONFIG_VIDEO_OMAP3) || defined(CONFIG_VIDEO_OMAP3_MODULE)
208 + isp_configure_interface(vdev->cam->isp, &mt9t111_if_config);
209 +#endif
210 + break;
211 +
212 + default:
213 + return -ENODEV;
214 + break;
215 + }
216 + return 0;
217 +}
218 +
219 +static struct mt9t111_platform_data mt9t111_pdata = {
220 + .master = "omap34xxcam",
221 + .power_set = mt9t111_power_set,
222 + .priv_data_set = mt9t111_set_prv_data,
223 + .ifparm = mt9t111_ifparm,
224 + /* Some interface dependent params */
225 + .clk_polarity = 0, /* data clocked out on falling edge */
226 + .hs_polarity = 1, /* 0 - Active low, 1- Active high */
227 + .vs_polarity = 1, /* 0 - Active low, 1- Active high */
228 +};
229 +
230 +static struct i2c_board_info __initdata mt9t111_i2c_board_info = {
231 + I2C_BOARD_INFO("mt9t111", MT9T111_I2C_ADDR),
232 + .platform_data = &mt9t111_pdata,
233 +};
234 +
235 +#endif /* #ifdef CONFIG_VIDEO_MT9T111 */
236 +
237 +/**
238 + * @brief omap3beaglelmb_init - module init function. Should be called before any
239 + * client driver init call
240 + *
241 + * @return result of operation - 0 is success
242 + */
243 +int __init omap3beaglelmb_init(void)
244 +{
245 + int err;
246 +
247 + /*
248 + * Register the I2C devices present in the board to the I2C
249 + * framework.
250 + * If more I2C devices are added, then each device information should
251 + * be registered with I2C using i2c_register_board_info().
252 + */
253 +#if defined(CONFIG_VIDEO_MT9T111) || defined(CONFIG_VIDEO_MT9T111_MODULE)
254 + err = i2c_register_board_info(MT9T111_I2C_BUSNUM,
255 + &mt9t111_i2c_board_info, 1);
256 + if (err) {
257 + printk(KERN_ERR MODULE_NAME \
258 + ": MT9T111 I2C Board Registration failed \n");
259 + return err;
260 + }
261 +#endif
262 + printk(KERN_INFO MODULE_NAME ": Driver registration complete \n");
263 +
264 + return 0;
265 +}
266 +arch_initcall(omap3beaglelmb_init);
267 diff --git a/arch/arm/mach-omap2/board-omap3beagle-camera.h b/arch/arm/mach-omap2/board-omap3beagle-camera.h
268 new file mode 100644
269 index 0000000..1026aeb
270 --- /dev/null
271 +++ b/arch/arm/mach-omap2/board-omap3beagle-camera.h
272 @@ -0,0 +1,41 @@
273 +/*
274 + * Copyright (C) 2010 Texas Instruments Inc
275 + * Author: Sergio Aguirre <saaguirre@ti.com>
276 + *
277 + * Based on work done by:
278 + * Vaibhav Hiremath <hvaibhav@ti.com>
279 + * Anuj Aggarwal <anuj.aggarwal@ti.com>
280 + * Sivaraj R <sivaraj@ti.com>
281 + *
282 + * This package is free software; you can redistribute it and/or modify
283 + * it under the terms of the GNU General Public License version 2 as
284 + * published by the Free Software Foundation.
285 + *
286 + * This program is distributed in the hope that it will be useful,
287 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
288 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
289 + * GNU General Public License for more details.
290 + *
291 + * You should have received a copy of the GNU General Public License
292 + * along with this program; if not, write to the Free Software
293 + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
294 + */
295 +
296 +#ifndef __BOARD_OMAP3BEAGLE_LMB_H_
297 +#define __BOARD_OMAP3BEAGLE_LMB_H_
298 +
299 +/* mux id to enable/disable signal routing to different peripherals */
300 +enum omap3beaglelmb_mux {
301 + MUX_TVP5146 = 0,
302 + MUX_CAMERA_SENSOR,
303 + MUX_EXP_CAMERA_SENSOR,
304 + NUM_MUX
305 +};
306 +
307 +/* enum to enable or disable mux */
308 +enum config_mux {
309 + DISABLE_MUX,
310 + ENABLE_MUX
311 +};
312 +
313 +#endif /* __BOARD_OMAP3BEAGLE_LMB_H_ */
314 diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
315 index 93b9e5f..31de2f9 100644
316 --- a/arch/arm/mach-omap2/board-omap3beagle.c
317 +++ b/arch/arm/mach-omap2/board-omap3beagle.c
318 @@ -712,6 +712,31 @@ static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
320 #ifdef CONFIG_OMAP_MUX
321 static struct omap_board_mux board_mux[] __initdata = {
322 + /* Camera - Parallel Data */
323 + OMAP3_MUX(CAM_D0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
324 + OMAP3_MUX(CAM_D1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
325 + OMAP3_MUX(CAM_D2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
326 + OMAP3_MUX(CAM_D3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
327 + OMAP3_MUX(CAM_D4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
328 + OMAP3_MUX(CAM_D5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
329 + OMAP3_MUX(CAM_D6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
330 + OMAP3_MUX(CAM_D7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
331 + OMAP3_MUX(CAM_D8, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
332 + OMAP3_MUX(CAM_D9, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
333 + OMAP3_MUX(CAM_D10, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
334 + OMAP3_MUX(CAM_D11, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
335 + OMAP3_MUX(CAM_PCLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
336 +
337 + /* Camera - HS/VS signals */
338 + OMAP3_MUX(CAM_HS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
339 + OMAP3_MUX(CAM_VS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
340 +
341 + /* Camera - Reset GPIO 98 */
342 + OMAP3_MUX(CAM_FLD, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
343 +
344 + /* Camera - XCLK */
345 + OMAP3_MUX(CAM_XCLKA, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
346 +
347 { .reg_offset = OMAP_MUX_TERMINATOR },
348 };
349 #else
350 --
351 1.6.6.1