RT-AC56 3.0.0.4.374.37 core
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / video / omap2 / dss / venc.c
blobeff35050e28a6149f188ee3ef87f1ace6e704774
1 /*
2 * linux/drivers/video/omap2/dss/venc.c
4 * Copyright (C) 2009 Nokia Corporation
5 * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
7 * VENC settings from TI's DSS driver
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License version 2 as published by
11 * the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * more details.
18 * You should have received a copy of the GNU General Public License along with
19 * this program. If not, see <http://www.gnu.org/licenses/>.
22 #define DSS_SUBSYS_NAME "VENC"
24 #include <linux/kernel.h>
25 #include <linux/module.h>
26 #include <linux/clk.h>
27 #include <linux/err.h>
28 #include <linux/io.h>
29 #include <linux/mutex.h>
30 #include <linux/completion.h>
31 #include <linux/delay.h>
32 #include <linux/string.h>
33 #include <linux/seq_file.h>
34 #include <linux/platform_device.h>
35 #include <linux/regulator/consumer.h>
37 #include <plat/display.h>
38 #include <plat/cpu.h>
40 #include "dss.h"
42 #define VENC_BASE 0x48050C00
44 /* Venc registers */
45 #define VENC_REV_ID 0x00
46 #define VENC_STATUS 0x04
47 #define VENC_F_CONTROL 0x08
48 #define VENC_VIDOUT_CTRL 0x10
49 #define VENC_SYNC_CTRL 0x14
50 #define VENC_LLEN 0x1C
51 #define VENC_FLENS 0x20
52 #define VENC_HFLTR_CTRL 0x24
53 #define VENC_CC_CARR_WSS_CARR 0x28
54 #define VENC_C_PHASE 0x2C
55 #define VENC_GAIN_U 0x30
56 #define VENC_GAIN_V 0x34
57 #define VENC_GAIN_Y 0x38
58 #define VENC_BLACK_LEVEL 0x3C
59 #define VENC_BLANK_LEVEL 0x40
60 #define VENC_X_COLOR 0x44
61 #define VENC_M_CONTROL 0x48
62 #define VENC_BSTAMP_WSS_DATA 0x4C
63 #define VENC_S_CARR 0x50
64 #define VENC_LINE21 0x54
65 #define VENC_LN_SEL 0x58
66 #define VENC_L21__WC_CTL 0x5C
67 #define VENC_HTRIGGER_VTRIGGER 0x60
68 #define VENC_SAVID__EAVID 0x64
69 #define VENC_FLEN__FAL 0x68
70 #define VENC_LAL__PHASE_RESET 0x6C
71 #define VENC_HS_INT_START_STOP_X 0x70
72 #define VENC_HS_EXT_START_STOP_X 0x74
73 #define VENC_VS_INT_START_X 0x78
74 #define VENC_VS_INT_STOP_X__VS_INT_START_Y 0x7C
75 #define VENC_VS_INT_STOP_Y__VS_EXT_START_X 0x80
76 #define VENC_VS_EXT_STOP_X__VS_EXT_START_Y 0x84
77 #define VENC_VS_EXT_STOP_Y 0x88
78 #define VENC_AVID_START_STOP_X 0x90
79 #define VENC_AVID_START_STOP_Y 0x94
80 #define VENC_FID_INT_START_X__FID_INT_START_Y 0xA0
81 #define VENC_FID_INT_OFFSET_Y__FID_EXT_START_X 0xA4
82 #define VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y 0xA8
83 #define VENC_TVDETGP_INT_START_STOP_X 0xB0
84 #define VENC_TVDETGP_INT_START_STOP_Y 0xB4
85 #define VENC_GEN_CTRL 0xB8
86 #define VENC_OUTPUT_CONTROL 0xC4
87 #define VENC_OUTPUT_TEST 0xC8
88 #define VENC_DAC_B__DAC_C 0xC8
90 struct venc_config {
91 u32 f_control;
92 u32 vidout_ctrl;
93 u32 sync_ctrl;
94 u32 llen;
95 u32 flens;
96 u32 hfltr_ctrl;
97 u32 cc_carr_wss_carr;
98 u32 c_phase;
99 u32 gain_u;
100 u32 gain_v;
101 u32 gain_y;
102 u32 black_level;
103 u32 blank_level;
104 u32 x_color;
105 u32 m_control;
106 u32 bstamp_wss_data;
107 u32 s_carr;
108 u32 line21;
109 u32 ln_sel;
110 u32 l21__wc_ctl;
111 u32 htrigger_vtrigger;
112 u32 savid__eavid;
113 u32 flen__fal;
114 u32 lal__phase_reset;
115 u32 hs_int_start_stop_x;
116 u32 hs_ext_start_stop_x;
117 u32 vs_int_start_x;
118 u32 vs_int_stop_x__vs_int_start_y;
119 u32 vs_int_stop_y__vs_ext_start_x;
120 u32 vs_ext_stop_x__vs_ext_start_y;
121 u32 vs_ext_stop_y;
122 u32 avid_start_stop_x;
123 u32 avid_start_stop_y;
124 u32 fid_int_start_x__fid_int_start_y;
125 u32 fid_int_offset_y__fid_ext_start_x;
126 u32 fid_ext_start_y__fid_ext_offset_y;
127 u32 tvdetgp_int_start_stop_x;
128 u32 tvdetgp_int_start_stop_y;
129 u32 gen_ctrl;
132 /* from TRM */
133 static const struct venc_config venc_config_pal_trm = {
134 .f_control = 0,
135 .vidout_ctrl = 1,
136 .sync_ctrl = 0x40,
137 .llen = 0x35F, /* 863 */
138 .flens = 0x270, /* 624 */
139 .hfltr_ctrl = 0,
140 .cc_carr_wss_carr = 0x2F7225ED,
141 .c_phase = 0,
142 .gain_u = 0x111,
143 .gain_v = 0x181,
144 .gain_y = 0x140,
145 .black_level = 0x3B,
146 .blank_level = 0x3B,
147 .x_color = 0x7,
148 .m_control = 0x2,
149 .bstamp_wss_data = 0x3F,
150 .s_carr = 0x2A098ACB,
151 .line21 = 0,
152 .ln_sel = 0x01290015,
153 .l21__wc_ctl = 0x0000F603,
154 .htrigger_vtrigger = 0,
156 .savid__eavid = 0x06A70108,
157 .flen__fal = 0x00180270,
158 .lal__phase_reset = 0x00040135,
159 .hs_int_start_stop_x = 0x00880358,
160 .hs_ext_start_stop_x = 0x000F035F,
161 .vs_int_start_x = 0x01A70000,
162 .vs_int_stop_x__vs_int_start_y = 0x000001A7,
163 .vs_int_stop_y__vs_ext_start_x = 0x01AF0000,
164 .vs_ext_stop_x__vs_ext_start_y = 0x000101AF,
165 .vs_ext_stop_y = 0x00000025,
166 .avid_start_stop_x = 0x03530083,
167 .avid_start_stop_y = 0x026C002E,
168 .fid_int_start_x__fid_int_start_y = 0x0001008A,
169 .fid_int_offset_y__fid_ext_start_x = 0x002E0138,
170 .fid_ext_start_y__fid_ext_offset_y = 0x01380001,
172 .tvdetgp_int_start_stop_x = 0x00140001,
173 .tvdetgp_int_start_stop_y = 0x00010001,
174 .gen_ctrl = 0x00FF0000,
177 /* from TRM */
178 static const struct venc_config venc_config_ntsc_trm = {
179 .f_control = 0,
180 .vidout_ctrl = 1,
181 .sync_ctrl = 0x8040,
182 .llen = 0x359,
183 .flens = 0x20C,
184 .hfltr_ctrl = 0,
185 .cc_carr_wss_carr = 0x043F2631,
186 .c_phase = 0,
187 .gain_u = 0x102,
188 .gain_v = 0x16C,
189 .gain_y = 0x12F,
190 .black_level = 0x43,
191 .blank_level = 0x38,
192 .x_color = 0x7,
193 .m_control = 0x1,
194 .bstamp_wss_data = 0x38,
195 .s_carr = 0x21F07C1F,
196 .line21 = 0,
197 .ln_sel = 0x01310011,
198 .l21__wc_ctl = 0x0000F003,
199 .htrigger_vtrigger = 0,
201 .savid__eavid = 0x069300F4,
202 .flen__fal = 0x0016020C,
203 .lal__phase_reset = 0x00060107,
204 .hs_int_start_stop_x = 0x008E0350,
205 .hs_ext_start_stop_x = 0x000F0359,
206 .vs_int_start_x = 0x01A00000,
207 .vs_int_stop_x__vs_int_start_y = 0x020701A0,
208 .vs_int_stop_y__vs_ext_start_x = 0x01AC0024,
209 .vs_ext_stop_x__vs_ext_start_y = 0x020D01AC,
210 .vs_ext_stop_y = 0x00000006,
211 .avid_start_stop_x = 0x03480078,
212 .avid_start_stop_y = 0x02060024,
213 .fid_int_start_x__fid_int_start_y = 0x0001008A,
214 .fid_int_offset_y__fid_ext_start_x = 0x01AC0106,
215 .fid_ext_start_y__fid_ext_offset_y = 0x01060006,
217 .tvdetgp_int_start_stop_x = 0x00140001,
218 .tvdetgp_int_start_stop_y = 0x00010001,
219 .gen_ctrl = 0x00F90000,
222 static const struct venc_config venc_config_pal_bdghi = {
223 .f_control = 0,
224 .vidout_ctrl = 0,
225 .sync_ctrl = 0,
226 .hfltr_ctrl = 0,
227 .x_color = 0,
228 .line21 = 0,
229 .ln_sel = 21,
230 .htrigger_vtrigger = 0,
231 .tvdetgp_int_start_stop_x = 0x00140001,
232 .tvdetgp_int_start_stop_y = 0x00010001,
233 .gen_ctrl = 0x00FB0000,
235 .llen = 864-1,
236 .flens = 625-1,
237 .cc_carr_wss_carr = 0x2F7625ED,
238 .c_phase = 0xDF,
239 .gain_u = 0x111,
240 .gain_v = 0x181,
241 .gain_y = 0x140,
242 .black_level = 0x3e,
243 .blank_level = 0x3e,
244 .m_control = 0<<2 | 1<<1,
245 .bstamp_wss_data = 0x42,
246 .s_carr = 0x2a098acb,
247 .l21__wc_ctl = 0<<13 | 0x16<<8 | 0<<0,
248 .savid__eavid = 0x06A70108,
249 .flen__fal = 23<<16 | 624<<0,
250 .lal__phase_reset = 2<<17 | 310<<0,
251 .hs_int_start_stop_x = 0x00920358,
252 .hs_ext_start_stop_x = 0x000F035F,
253 .vs_int_start_x = 0x1a7<<16,
254 .vs_int_stop_x__vs_int_start_y = 0x000601A7,
255 .vs_int_stop_y__vs_ext_start_x = 0x01AF0036,
256 .vs_ext_stop_x__vs_ext_start_y = 0x27101af,
257 .vs_ext_stop_y = 0x05,
258 .avid_start_stop_x = 0x03530082,
259 .avid_start_stop_y = 0x0270002E,
260 .fid_int_start_x__fid_int_start_y = 0x0005008A,
261 .fid_int_offset_y__fid_ext_start_x = 0x002E0138,
262 .fid_ext_start_y__fid_ext_offset_y = 0x01380005,
265 const struct omap_video_timings omap_dss_pal_timings = {
266 .x_res = 720,
267 .y_res = 574,
268 .pixel_clock = 13500,
269 .hsw = 64,
270 .hfp = 12,
271 .hbp = 68,
272 .vsw = 5,
273 .vfp = 5,
274 .vbp = 41,
276 EXPORT_SYMBOL(omap_dss_pal_timings);
278 const struct omap_video_timings omap_dss_ntsc_timings = {
279 .x_res = 720,
280 .y_res = 482,
281 .pixel_clock = 13500,
282 .hsw = 64,
283 .hfp = 16,
284 .hbp = 58,
285 .vsw = 6,
286 .vfp = 6,
287 .vbp = 31,
289 EXPORT_SYMBOL(omap_dss_ntsc_timings);
291 static struct {
292 void __iomem *base;
293 struct mutex venc_lock;
294 u32 wss_data;
295 struct regulator *vdda_dac_reg;
296 } venc;
298 static inline void venc_write_reg(int idx, u32 val)
300 __raw_writel(val, venc.base + idx);
303 static inline u32 venc_read_reg(int idx)
305 u32 l = __raw_readl(venc.base + idx);
306 return l;
309 static void venc_write_config(const struct venc_config *config)
311 DSSDBG("write venc conf\n");
313 venc_write_reg(VENC_LLEN, config->llen);
314 venc_write_reg(VENC_FLENS, config->flens);
315 venc_write_reg(VENC_CC_CARR_WSS_CARR, config->cc_carr_wss_carr);
316 venc_write_reg(VENC_C_PHASE, config->c_phase);
317 venc_write_reg(VENC_GAIN_U, config->gain_u);
318 venc_write_reg(VENC_GAIN_V, config->gain_v);
319 venc_write_reg(VENC_GAIN_Y, config->gain_y);
320 venc_write_reg(VENC_BLACK_LEVEL, config->black_level);
321 venc_write_reg(VENC_BLANK_LEVEL, config->blank_level);
322 venc_write_reg(VENC_M_CONTROL, config->m_control);
323 venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
324 venc.wss_data);
325 venc_write_reg(VENC_S_CARR, config->s_carr);
326 venc_write_reg(VENC_L21__WC_CTL, config->l21__wc_ctl);
327 venc_write_reg(VENC_SAVID__EAVID, config->savid__eavid);
328 venc_write_reg(VENC_FLEN__FAL, config->flen__fal);
329 venc_write_reg(VENC_LAL__PHASE_RESET, config->lal__phase_reset);
330 venc_write_reg(VENC_HS_INT_START_STOP_X, config->hs_int_start_stop_x);
331 venc_write_reg(VENC_HS_EXT_START_STOP_X, config->hs_ext_start_stop_x);
332 venc_write_reg(VENC_VS_INT_START_X, config->vs_int_start_x);
333 venc_write_reg(VENC_VS_INT_STOP_X__VS_INT_START_Y,
334 config->vs_int_stop_x__vs_int_start_y);
335 venc_write_reg(VENC_VS_INT_STOP_Y__VS_EXT_START_X,
336 config->vs_int_stop_y__vs_ext_start_x);
337 venc_write_reg(VENC_VS_EXT_STOP_X__VS_EXT_START_Y,
338 config->vs_ext_stop_x__vs_ext_start_y);
339 venc_write_reg(VENC_VS_EXT_STOP_Y, config->vs_ext_stop_y);
340 venc_write_reg(VENC_AVID_START_STOP_X, config->avid_start_stop_x);
341 venc_write_reg(VENC_AVID_START_STOP_Y, config->avid_start_stop_y);
342 venc_write_reg(VENC_FID_INT_START_X__FID_INT_START_Y,
343 config->fid_int_start_x__fid_int_start_y);
344 venc_write_reg(VENC_FID_INT_OFFSET_Y__FID_EXT_START_X,
345 config->fid_int_offset_y__fid_ext_start_x);
346 venc_write_reg(VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y,
347 config->fid_ext_start_y__fid_ext_offset_y);
349 venc_write_reg(VENC_DAC_B__DAC_C, venc_read_reg(VENC_DAC_B__DAC_C));
350 venc_write_reg(VENC_VIDOUT_CTRL, config->vidout_ctrl);
351 venc_write_reg(VENC_HFLTR_CTRL, config->hfltr_ctrl);
352 venc_write_reg(VENC_X_COLOR, config->x_color);
353 venc_write_reg(VENC_LINE21, config->line21);
354 venc_write_reg(VENC_LN_SEL, config->ln_sel);
355 venc_write_reg(VENC_HTRIGGER_VTRIGGER, config->htrigger_vtrigger);
356 venc_write_reg(VENC_TVDETGP_INT_START_STOP_X,
357 config->tvdetgp_int_start_stop_x);
358 venc_write_reg(VENC_TVDETGP_INT_START_STOP_Y,
359 config->tvdetgp_int_start_stop_y);
360 venc_write_reg(VENC_GEN_CTRL, config->gen_ctrl);
361 venc_write_reg(VENC_F_CONTROL, config->f_control);
362 venc_write_reg(VENC_SYNC_CTRL, config->sync_ctrl);
365 static void venc_reset(void)
367 int t = 1000;
369 venc_write_reg(VENC_F_CONTROL, 1<<8);
370 while (venc_read_reg(VENC_F_CONTROL) & (1<<8)) {
371 if (--t == 0) {
372 DSSERR("Failed to reset venc\n");
373 return;
377 /* the magical sleep that makes things work */
378 msleep(20);
381 static void venc_enable_clocks(int enable)
383 if (enable)
384 dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M |
385 DSS_CLK_96M);
386 else
387 dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M |
388 DSS_CLK_96M);
391 static const struct venc_config *venc_timings_to_config(
392 struct omap_video_timings *timings)
394 if (memcmp(&omap_dss_pal_timings, timings, sizeof(*timings)) == 0)
395 return &venc_config_pal_trm;
397 if (memcmp(&omap_dss_ntsc_timings, timings, sizeof(*timings)) == 0)
398 return &venc_config_ntsc_trm;
400 BUG();
403 static void venc_power_on(struct omap_dss_device *dssdev)
405 u32 l;
407 venc_enable_clocks(1);
409 venc_reset();
410 venc_write_config(venc_timings_to_config(&dssdev->panel.timings));
412 dss_set_venc_output(dssdev->phy.venc.type);
413 dss_set_dac_pwrdn_bgz(1);
415 l = 0;
417 if (dssdev->phy.venc.type == OMAP_DSS_VENC_TYPE_COMPOSITE)
418 l |= 1 << 1;
419 else /* S-Video */
420 l |= (1 << 0) | (1 << 2);
422 if (dssdev->phy.venc.invert_polarity == false)
423 l |= 1 << 3;
425 venc_write_reg(VENC_OUTPUT_CONTROL, l);
427 dispc_set_digit_size(dssdev->panel.timings.x_res,
428 dssdev->panel.timings.y_res/2);
430 regulator_enable(venc.vdda_dac_reg);
432 if (dssdev->platform_enable)
433 dssdev->platform_enable(dssdev);
435 dssdev->manager->enable(dssdev->manager);
438 static void venc_power_off(struct omap_dss_device *dssdev)
440 venc_write_reg(VENC_OUTPUT_CONTROL, 0);
441 dss_set_dac_pwrdn_bgz(0);
443 dssdev->manager->disable(dssdev->manager);
445 if (dssdev->platform_disable)
446 dssdev->platform_disable(dssdev);
448 regulator_disable(venc.vdda_dac_reg);
450 venc_enable_clocks(0);
457 /* driver */
458 static int venc_panel_probe(struct omap_dss_device *dssdev)
460 dssdev->panel.timings = omap_dss_pal_timings;
462 return 0;
465 static void venc_panel_remove(struct omap_dss_device *dssdev)
469 static int venc_panel_enable(struct omap_dss_device *dssdev)
471 int r = 0;
473 DSSDBG("venc_enable_display\n");
475 mutex_lock(&venc.venc_lock);
477 if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
478 r = -EINVAL;
479 goto err1;
482 venc_power_on(dssdev);
484 venc.wss_data = 0;
486 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
488 /* wait couple of vsyncs until enabling the LCD */
489 msleep(50);
491 err1:
492 mutex_unlock(&venc.venc_lock);
494 return r;
497 static void venc_panel_disable(struct omap_dss_device *dssdev)
499 DSSDBG("venc_disable_display\n");
501 mutex_lock(&venc.venc_lock);
503 if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED)
504 goto end;
506 if (dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) {
507 /* suspended is the same as disabled with venc */
508 dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
509 goto end;
512 venc_power_off(dssdev);
514 /* wait at least 5 vsyncs after disabling the LCD */
515 msleep(100);
517 dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
518 end:
519 mutex_unlock(&venc.venc_lock);
522 static int venc_panel_suspend(struct omap_dss_device *dssdev)
524 venc_panel_disable(dssdev);
525 return 0;
528 static int venc_panel_resume(struct omap_dss_device *dssdev)
530 return venc_panel_enable(dssdev);
533 static enum omap_dss_update_mode venc_get_update_mode(
534 struct omap_dss_device *dssdev)
536 return OMAP_DSS_UPDATE_AUTO;
539 static int venc_set_update_mode(struct omap_dss_device *dssdev,
540 enum omap_dss_update_mode mode)
542 if (mode != OMAP_DSS_UPDATE_AUTO)
543 return -EINVAL;
544 return 0;
547 static void venc_get_timings(struct omap_dss_device *dssdev,
548 struct omap_video_timings *timings)
550 *timings = dssdev->panel.timings;
553 static void venc_set_timings(struct omap_dss_device *dssdev,
554 struct omap_video_timings *timings)
556 DSSDBG("venc_set_timings\n");
558 /* Reset WSS data when the TV standard changes. */
559 if (memcmp(&dssdev->panel.timings, timings, sizeof(*timings)))
560 venc.wss_data = 0;
562 dssdev->panel.timings = *timings;
563 if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
564 /* turn the venc off and on to get new timings to use */
565 venc_panel_disable(dssdev);
566 venc_panel_enable(dssdev);
570 static int venc_check_timings(struct omap_dss_device *dssdev,
571 struct omap_video_timings *timings)
573 DSSDBG("venc_check_timings\n");
575 if (memcmp(&omap_dss_pal_timings, timings, sizeof(*timings)) == 0)
576 return 0;
578 if (memcmp(&omap_dss_ntsc_timings, timings, sizeof(*timings)) == 0)
579 return 0;
581 return -EINVAL;
584 static u32 venc_get_wss(struct omap_dss_device *dssdev)
586 /* Invert due to VENC_L21_WC_CTL:INV=1 */
587 return (venc.wss_data >> 8) ^ 0xfffff;
590 static int venc_set_wss(struct omap_dss_device *dssdev, u32 wss)
592 const struct venc_config *config;
594 DSSDBG("venc_set_wss\n");
596 mutex_lock(&venc.venc_lock);
598 config = venc_timings_to_config(&dssdev->panel.timings);
600 /* Invert due to VENC_L21_WC_CTL:INV=1 */
601 venc.wss_data = (wss ^ 0xfffff) << 8;
603 venc_enable_clocks(1);
605 venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
606 venc.wss_data);
608 venc_enable_clocks(0);
610 mutex_unlock(&venc.venc_lock);
612 return 0;
615 static struct omap_dss_driver venc_driver = {
616 .probe = venc_panel_probe,
617 .remove = venc_panel_remove,
619 .enable = venc_panel_enable,
620 .disable = venc_panel_disable,
621 .suspend = venc_panel_suspend,
622 .resume = venc_panel_resume,
624 .get_resolution = omapdss_default_get_resolution,
625 .get_recommended_bpp = omapdss_default_get_recommended_bpp,
627 .set_update_mode = venc_set_update_mode,
628 .get_update_mode = venc_get_update_mode,
630 .get_timings = venc_get_timings,
631 .set_timings = venc_set_timings,
632 .check_timings = venc_check_timings,
634 .get_wss = venc_get_wss,
635 .set_wss = venc_set_wss,
637 .driver = {
638 .name = "venc",
639 .owner = THIS_MODULE,
642 /* driver end */
646 int venc_init(struct platform_device *pdev)
648 u8 rev_id;
650 mutex_init(&venc.venc_lock);
652 venc.wss_data = 0;
654 venc.base = ioremap(VENC_BASE, SZ_1K);
655 if (!venc.base) {
656 DSSERR("can't ioremap VENC\n");
657 return -ENOMEM;
660 venc.vdda_dac_reg = dss_get_vdda_dac();
661 if (IS_ERR(venc.vdda_dac_reg)) {
662 iounmap(venc.base);
663 DSSERR("can't get VDDA_DAC regulator\n");
664 return PTR_ERR(venc.vdda_dac_reg);
667 venc_enable_clocks(1);
669 rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff);
670 printk(KERN_INFO "OMAP VENC rev %d\n", rev_id);
672 venc_enable_clocks(0);
674 return omap_dss_register_driver(&venc_driver);
677 void venc_exit(void)
679 omap_dss_unregister_driver(&venc_driver);
681 iounmap(venc.base);
684 int venc_init_display(struct omap_dss_device *dssdev)
686 DSSDBG("init_display\n");
688 return 0;
691 void venc_dump_regs(struct seq_file *s)
693 #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, venc_read_reg(r))
695 venc_enable_clocks(1);
697 DUMPREG(VENC_F_CONTROL);
698 DUMPREG(VENC_VIDOUT_CTRL);
699 DUMPREG(VENC_SYNC_CTRL);
700 DUMPREG(VENC_LLEN);
701 DUMPREG(VENC_FLENS);
702 DUMPREG(VENC_HFLTR_CTRL);
703 DUMPREG(VENC_CC_CARR_WSS_CARR);
704 DUMPREG(VENC_C_PHASE);
705 DUMPREG(VENC_GAIN_U);
706 DUMPREG(VENC_GAIN_V);
707 DUMPREG(VENC_GAIN_Y);
708 DUMPREG(VENC_BLACK_LEVEL);
709 DUMPREG(VENC_BLANK_LEVEL);
710 DUMPREG(VENC_X_COLOR);
711 DUMPREG(VENC_M_CONTROL);
712 DUMPREG(VENC_BSTAMP_WSS_DATA);
713 DUMPREG(VENC_S_CARR);
714 DUMPREG(VENC_LINE21);
715 DUMPREG(VENC_LN_SEL);
716 DUMPREG(VENC_L21__WC_CTL);
717 DUMPREG(VENC_HTRIGGER_VTRIGGER);
718 DUMPREG(VENC_SAVID__EAVID);
719 DUMPREG(VENC_FLEN__FAL);
720 DUMPREG(VENC_LAL__PHASE_RESET);
721 DUMPREG(VENC_HS_INT_START_STOP_X);
722 DUMPREG(VENC_HS_EXT_START_STOP_X);
723 DUMPREG(VENC_VS_INT_START_X);
724 DUMPREG(VENC_VS_INT_STOP_X__VS_INT_START_Y);
725 DUMPREG(VENC_VS_INT_STOP_Y__VS_EXT_START_X);
726 DUMPREG(VENC_VS_EXT_STOP_X__VS_EXT_START_Y);
727 DUMPREG(VENC_VS_EXT_STOP_Y);
728 DUMPREG(VENC_AVID_START_STOP_X);
729 DUMPREG(VENC_AVID_START_STOP_Y);
730 DUMPREG(VENC_FID_INT_START_X__FID_INT_START_Y);
731 DUMPREG(VENC_FID_INT_OFFSET_Y__FID_EXT_START_X);
732 DUMPREG(VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y);
733 DUMPREG(VENC_TVDETGP_INT_START_STOP_X);
734 DUMPREG(VENC_TVDETGP_INT_START_STOP_Y);
735 DUMPREG(VENC_GEN_CTRL);
736 DUMPREG(VENC_OUTPUT_CONTROL);
737 DUMPREG(VENC_OUTPUT_TEST);
739 venc_enable_clocks(0);
741 #undef DUMPREG