2 * Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>
3 * Copyright (C) 2005-2009 Freescale Semiconductor, Inc.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 #include <linux/export.h>
16 #include <linux/module.h>
17 #include <linux/types.h>
18 #include <linux/errno.h>
20 #include <linux/err.h>
21 #include <linux/platform_device.h>
23 #include <video/imx-ipu-v3.h>
30 struct clk
*clk_di
; /* display input clock */
31 struct clk
*clk_ipu
; /* IPU bus clock */
32 struct clk
*clk_di_pixel
; /* resulting pixel clock */
37 static DEFINE_MUTEX(di_mutex
);
39 struct di_sync_config
{
46 int cnt_polarity_gen_en
;
47 int cnt_polarity_clr_src
;
48 int cnt_polarity_trigger_src
;
70 DI_SYNC_INT_HSYNC
= 2,
78 #define DI_GENERAL 0x0000
79 #define DI_BS_CLKGEN0 0x0004
80 #define DI_BS_CLKGEN1 0x0008
81 #define DI_SW_GEN0(gen) (0x000c + 4 * ((gen) - 1))
82 #define DI_SW_GEN1(gen) (0x0030 + 4 * ((gen) - 1))
83 #define DI_STP_REP(gen) (0x0148 + 4 * (((gen) - 1)/2))
84 #define DI_SYNC_AS_GEN 0x0054
85 #define DI_DW_GEN(gen) (0x0058 + 4 * (gen))
86 #define DI_DW_SET(gen, set) (0x0088 + 4 * ((gen) + 0xc * (set)))
87 #define DI_SER_CONF 0x015c
92 #define DI_SCR_CONF 0x0170
93 #define DI_STAT 0x0174
95 #define DI_SW_GEN0_RUN_COUNT(x) ((x) << 19)
96 #define DI_SW_GEN0_RUN_SRC(x) ((x) << 16)
97 #define DI_SW_GEN0_OFFSET_COUNT(x) ((x) << 3)
98 #define DI_SW_GEN0_OFFSET_SRC(x) ((x) << 0)
100 #define DI_SW_GEN1_CNT_POL_GEN_EN(x) ((x) << 29)
101 #define DI_SW_GEN1_CNT_CLR_SRC(x) ((x) << 25)
102 #define DI_SW_GEN1_CNT_POL_TRIGGER_SRC(x) ((x) << 12)
103 #define DI_SW_GEN1_CNT_POL_CLR_SRC(x) ((x) << 9)
104 #define DI_SW_GEN1_CNT_DOWN(x) ((x) << 16)
105 #define DI_SW_GEN1_CNT_UP(x) (x)
106 #define DI_SW_GEN1_AUTO_RELOAD (0x10000000)
108 #define DI_DW_GEN_ACCESS_SIZE_OFFSET 24
109 #define DI_DW_GEN_COMPONENT_SIZE_OFFSET 16
111 #define DI_GEN_POLARITY_1 (1 << 0)
112 #define DI_GEN_POLARITY_2 (1 << 1)
113 #define DI_GEN_POLARITY_3 (1 << 2)
114 #define DI_GEN_POLARITY_4 (1 << 3)
115 #define DI_GEN_POLARITY_5 (1 << 4)
116 #define DI_GEN_POLARITY_6 (1 << 5)
117 #define DI_GEN_POLARITY_7 (1 << 6)
118 #define DI_GEN_POLARITY_8 (1 << 7)
119 #define DI_GEN_POLARITY_DISP_CLK (1 << 17)
120 #define DI_GEN_DI_CLK_EXT (1 << 20)
121 #define DI_GEN_DI_VSYNC_EXT (1 << 21)
123 #define DI_POL_DRDY_DATA_POLARITY (1 << 7)
124 #define DI_POL_DRDY_POLARITY_15 (1 << 4)
126 #define DI_VSYNC_SEL_OFFSET 13
128 static inline u32
ipu_di_read(struct ipu_di
*di
, unsigned offset
)
130 return readl(di
->base
+ offset
);
133 static inline void ipu_di_write(struct ipu_di
*di
, u32 value
, unsigned offset
)
135 writel(value
, di
->base
+ offset
);
138 static void ipu_di_data_wave_config(struct ipu_di
*di
,
140 int access_size
, int component_size
)
143 reg
= (access_size
<< DI_DW_GEN_ACCESS_SIZE_OFFSET
) |
144 (component_size
<< DI_DW_GEN_COMPONENT_SIZE_OFFSET
);
145 ipu_di_write(di
, reg
, DI_DW_GEN(wave_gen
));
148 static void ipu_di_data_pin_config(struct ipu_di
*di
, int wave_gen
, int di_pin
,
149 int set
, int up
, int down
)
153 reg
= ipu_di_read(di
, DI_DW_GEN(wave_gen
));
154 reg
&= ~(0x3 << (di_pin
* 2));
155 reg
|= set
<< (di_pin
* 2);
156 ipu_di_write(di
, reg
, DI_DW_GEN(wave_gen
));
158 ipu_di_write(di
, (down
<< 16) | up
, DI_DW_SET(wave_gen
, set
));
161 static void ipu_di_sync_config(struct ipu_di
*di
, struct di_sync_config
*config
,
162 int start
, int count
)
167 for (i
= 0; i
< count
; i
++) {
168 struct di_sync_config
*c
= &config
[i
];
169 int wave_gen
= start
+ i
+ 1;
171 if ((c
->run_count
>= 0x1000) || (c
->offset_count
>= 0x1000) ||
172 (c
->repeat_count
>= 0x1000) ||
173 (c
->cnt_up
>= 0x400) ||
174 (c
->cnt_down
>= 0x400)) {
175 dev_err(di
->ipu
->dev
, "DI%d counters out of range.\n",
180 reg
= DI_SW_GEN0_RUN_COUNT(c
->run_count
) |
181 DI_SW_GEN0_RUN_SRC(c
->run_src
) |
182 DI_SW_GEN0_OFFSET_COUNT(c
->offset_count
) |
183 DI_SW_GEN0_OFFSET_SRC(c
->offset_src
);
184 ipu_di_write(di
, reg
, DI_SW_GEN0(wave_gen
));
186 reg
= DI_SW_GEN1_CNT_POL_GEN_EN(c
->cnt_polarity_gen_en
) |
187 DI_SW_GEN1_CNT_CLR_SRC(c
->cnt_clr_src
) |
188 DI_SW_GEN1_CNT_POL_TRIGGER_SRC(
189 c
->cnt_polarity_trigger_src
) |
190 DI_SW_GEN1_CNT_POL_CLR_SRC(c
->cnt_polarity_clr_src
) |
191 DI_SW_GEN1_CNT_DOWN(c
->cnt_down
) |
192 DI_SW_GEN1_CNT_UP(c
->cnt_up
);
194 /* Enable auto reload */
195 if (c
->repeat_count
== 0)
196 reg
|= DI_SW_GEN1_AUTO_RELOAD
;
198 ipu_di_write(di
, reg
, DI_SW_GEN1(wave_gen
));
200 reg
= ipu_di_read(di
, DI_STP_REP(wave_gen
));
201 reg
&= ~(0xffff << (16 * ((wave_gen
- 1) & 0x1)));
202 reg
|= c
->repeat_count
<< (16 * ((wave_gen
- 1) & 0x1));
203 ipu_di_write(di
, reg
, DI_STP_REP(wave_gen
));
207 static void ipu_di_sync_config_interlaced(struct ipu_di
*di
,
208 struct ipu_di_signal_cfg
*sig
)
210 u32 h_total
= sig
->width
+ sig
->h_sync_width
+
211 sig
->h_start_width
+ sig
->h_end_width
;
212 u32 v_total
= sig
->height
+ sig
->v_sync_width
+
213 sig
->v_start_width
+ sig
->v_end_width
;
215 struct di_sync_config cfg
[] = {
217 .run_count
= h_total
/ 2 - 1,
218 .run_src
= DI_SYNC_CLK
,
220 .run_count
= h_total
- 11,
221 .run_src
= DI_SYNC_CLK
,
224 .run_count
= v_total
* 2 - 1,
225 .run_src
= DI_SYNC_INT_HSYNC
,
227 .offset_src
= DI_SYNC_INT_HSYNC
,
230 .run_count
= v_total
/ 2 - 1,
231 .run_src
= DI_SYNC_HSYNC
,
232 .offset_count
= sig
->v_start_width
,
233 .offset_src
= DI_SYNC_HSYNC
,
235 .cnt_clr_src
= DI_SYNC_VSYNC
,
237 .run_src
= DI_SYNC_HSYNC
,
238 .repeat_count
= sig
->height
/ 2,
241 .run_count
= v_total
- 1,
242 .run_src
= DI_SYNC_HSYNC
,
244 .run_count
= v_total
/ 2 - 1,
245 .run_src
= DI_SYNC_HSYNC
,
247 .offset_src
= DI_SYNC_HSYNC
,
249 .cnt_clr_src
= DI_SYNC_VSYNC
,
251 .run_src
= DI_SYNC_CLK
,
252 .offset_count
= sig
->h_start_width
,
253 .offset_src
= DI_SYNC_CLK
,
254 .repeat_count
= sig
->width
,
257 .run_count
= v_total
- 1,
258 .run_src
= DI_SYNC_INT_HSYNC
,
259 .offset_count
= v_total
/ 2,
260 .offset_src
= DI_SYNC_INT_HSYNC
,
261 .cnt_clr_src
= DI_SYNC_HSYNC
,
266 ipu_di_sync_config(di
, cfg
, 0, ARRAY_SIZE(cfg
));
268 /* set gentime select and tag sel */
269 reg
= ipu_di_read(di
, DI_SW_GEN1(9));
271 reg
|= (3 - 1) << 29 | 0x00008000;
272 ipu_di_write(di
, reg
, DI_SW_GEN1(9));
274 ipu_di_write(di
, v_total
/ 2 - 1, DI_SCR_CONF
);
277 static void ipu_di_sync_config_noninterlaced(struct ipu_di
*di
,
278 struct ipu_di_signal_cfg
*sig
, int div
)
280 u32 h_total
= sig
->width
+ sig
->h_sync_width
+ sig
->h_start_width
+
282 u32 v_total
= sig
->height
+ sig
->v_sync_width
+ sig
->v_start_width
+
284 struct di_sync_config cfg
[] = {
287 .run_count
= h_total
- 1,
288 .run_src
= DI_SYNC_CLK
,
291 .run_count
= h_total
- 1,
292 .run_src
= DI_SYNC_CLK
,
293 .offset_count
= div
* sig
->v_to_h_sync
,
294 .offset_src
= DI_SYNC_CLK
,
295 .cnt_polarity_gen_en
= 1,
296 .cnt_polarity_trigger_src
= DI_SYNC_CLK
,
297 .cnt_down
= sig
->h_sync_width
* 2,
300 .run_count
= v_total
- 1,
301 .run_src
= DI_SYNC_INT_HSYNC
,
302 .cnt_polarity_gen_en
= 1,
303 .cnt_polarity_trigger_src
= DI_SYNC_INT_HSYNC
,
304 .cnt_down
= sig
->v_sync_width
* 2,
307 .run_src
= DI_SYNC_HSYNC
,
308 .offset_count
= sig
->v_sync_width
+ sig
->v_start_width
,
309 .offset_src
= DI_SYNC_HSYNC
,
310 .repeat_count
= sig
->height
,
311 .cnt_clr_src
= DI_SYNC_VSYNC
,
313 /* 5: Pixel Active, referenced by DC */
314 .run_src
= DI_SYNC_CLK
,
315 .offset_count
= sig
->h_sync_width
+ sig
->h_start_width
,
316 .offset_src
= DI_SYNC_CLK
,
317 .repeat_count
= sig
->width
,
318 .cnt_clr_src
= 5, /* Line Active */
329 /* can't use #7 and #8 for line active and pixel active counters */
330 struct di_sync_config cfg_vga
[] = {
333 .run_count
= h_total
- 1,
334 .run_src
= DI_SYNC_CLK
,
337 .run_count
= v_total
- 1,
338 .run_src
= DI_SYNC_INT_HSYNC
,
341 .run_src
= DI_SYNC_INT_HSYNC
,
342 .offset_count
= sig
->v_sync_width
+ sig
->v_start_width
,
343 .offset_src
= DI_SYNC_INT_HSYNC
,
344 .repeat_count
= sig
->height
,
345 .cnt_clr_src
= 3 /* VSYNC */,
347 /* PIN4: HSYNC for VGA via TVEv2 on TQ MBa53 */
348 .run_count
= h_total
- 1,
349 .run_src
= DI_SYNC_CLK
,
350 .offset_count
= div
* sig
->v_to_h_sync
+ 18, /* magic value from Freescale TVE driver */
351 .offset_src
= DI_SYNC_CLK
,
352 .cnt_polarity_gen_en
= 1,
353 .cnt_polarity_trigger_src
= DI_SYNC_CLK
,
354 .cnt_down
= sig
->h_sync_width
* 2,
356 /* 5: Pixel Active signal to DC */
357 .run_src
= DI_SYNC_CLK
,
358 .offset_count
= sig
->h_sync_width
+ sig
->h_start_width
,
359 .offset_src
= DI_SYNC_CLK
,
360 .repeat_count
= sig
->width
,
361 .cnt_clr_src
= 4, /* Line Active */
363 /* PIN6: VSYNC for VGA via TVEv2 on TQ MBa53 */
364 .run_count
= v_total
- 1,
365 .run_src
= DI_SYNC_INT_HSYNC
,
366 .offset_count
= 1, /* magic value from Freescale TVE driver */
367 .offset_src
= DI_SYNC_INT_HSYNC
,
368 .cnt_polarity_gen_en
= 1,
369 .cnt_polarity_trigger_src
= DI_SYNC_INT_HSYNC
,
370 .cnt_down
= sig
->v_sync_width
* 2,
372 /* PIN4: HSYNC for VGA via TVEv2 on i.MX53-QSB */
373 .run_count
= h_total
- 1,
374 .run_src
= DI_SYNC_CLK
,
375 .offset_count
= div
* sig
->v_to_h_sync
+ 18, /* magic value from Freescale TVE driver */
376 .offset_src
= DI_SYNC_CLK
,
377 .cnt_polarity_gen_en
= 1,
378 .cnt_polarity_trigger_src
= DI_SYNC_CLK
,
379 .cnt_down
= sig
->h_sync_width
* 2,
381 /* PIN6: VSYNC for VGA via TVEv2 on i.MX53-QSB */
382 .run_count
= v_total
- 1,
383 .run_src
= DI_SYNC_INT_HSYNC
,
384 .offset_count
= 1, /* magic value from Freescale TVE driver */
385 .offset_src
= DI_SYNC_INT_HSYNC
,
386 .cnt_polarity_gen_en
= 1,
387 .cnt_polarity_trigger_src
= DI_SYNC_INT_HSYNC
,
388 .cnt_down
= sig
->v_sync_width
* 2,
394 ipu_di_write(di
, v_total
- 1, DI_SCR_CONF
);
395 if (sig
->hsync_pin
== 2 && sig
->vsync_pin
== 3)
396 ipu_di_sync_config(di
, cfg
, 0, ARRAY_SIZE(cfg
));
398 ipu_di_sync_config(di
, cfg_vga
, 0, ARRAY_SIZE(cfg_vga
));
401 static void ipu_di_config_clock(struct ipu_di
*di
,
402 const struct ipu_di_signal_cfg
*sig
)
408 if (sig
->clkflags
& IPU_DI_CLKMODE_EXT
) {
410 * CLKMODE_EXT means we must use the DI clock: this is
411 * needed for things like LVDS which needs to feed the
412 * DI and LDB with the same pixel clock.
416 if (sig
->clkflags
& IPU_DI_CLKMODE_SYNC
) {
418 * CLKMODE_SYNC means that we want the DI to be
419 * clocked at the same rate as the parent clock.
420 * This is needed (eg) for LDB which needs to be
421 * fed with the same pixel clock. We assume that
422 * the LDB clock has already been set correctly.
427 * We can use the divider. We should really have
428 * a flag here indicating whether the bridge can
429 * cope with a fractional divider or not. For the
430 * time being, let's go for simplicitly and
433 unsigned long in_rate
;
436 clk_set_rate(clk
, sig
->pixelclock
);
438 in_rate
= clk_get_rate(clk
);
439 div
= (in_rate
+ sig
->pixelclock
/ 2) / sig
->pixelclock
;
447 * For other interfaces, we can arbitarily select between
448 * the DI specific clock and the internal IPU clock. See
449 * DI_GENERAL bit 20. We select the IPU clock if it can
450 * give us a clock rate within 1% of the requested frequency,
451 * otherwise we use the DI clock.
453 unsigned long rate
, clkrate
;
456 clkrate
= clk_get_rate(di
->clk_ipu
);
457 div
= (clkrate
+ sig
->pixelclock
/ 2) / sig
->pixelclock
;
458 rate
= clkrate
/ div
;
460 error
= rate
/ (sig
->pixelclock
/ 1000);
462 dev_dbg(di
->ipu
->dev
, " IPU clock can give %lu with divider %u, error %d.%u%%\n",
463 rate
, div
, (signed)(error
- 1000) / 10, error
% 10);
465 /* Allow a 1% error */
466 if (error
< 1010 && error
>= 990) {
471 unsigned long in_rate
;
476 clk_set_rate(clk
, sig
->pixelclock
);
478 in_rate
= clk_get_rate(clk
);
479 div
= (in_rate
+ sig
->pixelclock
/ 2) / sig
->pixelclock
;
487 di
->clk_di_pixel
= clk
;
489 /* Set the divider */
490 ipu_di_write(di
, clkgen0
, DI_BS_CLKGEN0
);
493 * Set the high/low periods. Bits 24:16 give us the falling edge,
494 * and bits 8:0 give the rising edge. LSB is fraction, and is
495 * based on the divider above. We want a 50% duty cycle, so set
496 * the falling edge to be half the divider.
498 ipu_di_write(di
, (clkgen0
>> 4) << 16, DI_BS_CLKGEN1
);
500 /* Finally select the input clock */
501 val
= ipu_di_read(di
, DI_GENERAL
) & ~DI_GEN_DI_CLK_EXT
;
502 if (clk
== di
->clk_di
)
503 val
|= DI_GEN_DI_CLK_EXT
;
504 ipu_di_write(di
, val
, DI_GENERAL
);
506 dev_dbg(di
->ipu
->dev
, "Want %luHz IPU %luHz DI %luHz using %s, %luHz\n",
508 clk_get_rate(di
->clk_ipu
),
509 clk_get_rate(di
->clk_di
),
510 clk
== di
->clk_di
? "DI" : "IPU",
511 clk_get_rate(di
->clk_di_pixel
) / (clkgen0
>> 4));
514 int ipu_di_init_sync_panel(struct ipu_di
*di
, struct ipu_di_signal_cfg
*sig
)
517 u32 di_gen
, vsync_cnt
;
519 u32 h_total
, v_total
;
521 dev_dbg(di
->ipu
->dev
, "disp %d: panel size = %d x %d\n",
522 di
->id
, sig
->width
, sig
->height
);
524 if ((sig
->v_sync_width
== 0) || (sig
->h_sync_width
== 0))
527 h_total
= sig
->width
+ sig
->h_sync_width
+ sig
->h_start_width
+
529 v_total
= sig
->height
+ sig
->v_sync_width
+ sig
->v_start_width
+
532 dev_dbg(di
->ipu
->dev
, "Clocks: IPU %luHz DI %luHz Needed %luHz\n",
533 clk_get_rate(di
->clk_ipu
),
534 clk_get_rate(di
->clk_di
),
537 mutex_lock(&di_mutex
);
539 ipu_di_config_clock(di
, sig
);
541 div
= ipu_di_read(di
, DI_BS_CLKGEN0
) & 0xfff;
542 div
= div
/ 16; /* Now divider is integer portion */
544 /* Setup pixel clock timing */
545 /* Down time is half of period */
546 ipu_di_write(di
, (div
<< 16), DI_BS_CLKGEN1
);
548 ipu_di_data_wave_config(di
, SYNC_WAVE
, div
- 1, div
- 1);
549 ipu_di_data_pin_config(di
, SYNC_WAVE
, DI_PIN15
, 3, 0, div
* 2);
551 di_gen
= ipu_di_read(di
, DI_GENERAL
) & DI_GEN_DI_CLK_EXT
;
552 di_gen
|= DI_GEN_DI_VSYNC_EXT
;
554 if (sig
->interlaced
) {
555 ipu_di_sync_config_interlaced(di
, sig
);
558 di_gen
|= 0x10000000;
559 di_gen
|= DI_GEN_POLARITY_5
;
560 di_gen
|= DI_GEN_POLARITY_8
;
565 di_gen
|= DI_GEN_POLARITY_3
;
567 di_gen
|= DI_GEN_POLARITY_2
;
569 ipu_di_sync_config_noninterlaced(di
, sig
, div
);
574 * TODO: change only for TVEv2, parallel display
577 if (!(sig
->hsync_pin
== 2 && sig
->vsync_pin
== 3))
580 if (sig
->Hsync_pol
) {
581 if (sig
->hsync_pin
== 2)
582 di_gen
|= DI_GEN_POLARITY_2
;
583 else if (sig
->hsync_pin
== 4)
584 di_gen
|= DI_GEN_POLARITY_4
;
585 else if (sig
->hsync_pin
== 7)
586 di_gen
|= DI_GEN_POLARITY_7
;
588 if (sig
->Vsync_pol
) {
589 if (sig
->vsync_pin
== 3)
590 di_gen
|= DI_GEN_POLARITY_3
;
591 else if (sig
->vsync_pin
== 6)
592 di_gen
|= DI_GEN_POLARITY_6
;
593 else if (sig
->vsync_pin
== 8)
594 di_gen
|= DI_GEN_POLARITY_8
;
599 di_gen
|= DI_GEN_POLARITY_DISP_CLK
;
601 ipu_di_write(di
, di_gen
, DI_GENERAL
);
603 ipu_di_write(di
, (--vsync_cnt
<< DI_VSYNC_SEL_OFFSET
) | 0x00000002,
606 reg
= ipu_di_read(di
, DI_POL
);
607 reg
&= ~(DI_POL_DRDY_DATA_POLARITY
| DI_POL_DRDY_POLARITY_15
);
610 reg
|= DI_POL_DRDY_POLARITY_15
;
612 reg
|= DI_POL_DRDY_DATA_POLARITY
;
614 ipu_di_write(di
, reg
, DI_POL
);
616 mutex_unlock(&di_mutex
);
620 EXPORT_SYMBOL_GPL(ipu_di_init_sync_panel
);
622 int ipu_di_enable(struct ipu_di
*di
)
626 WARN_ON(IS_ERR(di
->clk_di_pixel
));
628 ret
= clk_prepare_enable(di
->clk_di_pixel
);
632 ipu_module_enable(di
->ipu
, di
->module
);
636 EXPORT_SYMBOL_GPL(ipu_di_enable
);
638 int ipu_di_disable(struct ipu_di
*di
)
640 WARN_ON(IS_ERR(di
->clk_di_pixel
));
642 ipu_module_disable(di
->ipu
, di
->module
);
644 clk_disable_unprepare(di
->clk_di_pixel
);
648 EXPORT_SYMBOL_GPL(ipu_di_disable
);
650 int ipu_di_get_num(struct ipu_di
*di
)
654 EXPORT_SYMBOL_GPL(ipu_di_get_num
);
656 static DEFINE_MUTEX(ipu_di_lock
);
658 struct ipu_di
*ipu_di_get(struct ipu_soc
*ipu
, int disp
)
663 return ERR_PTR(-EINVAL
);
665 di
= ipu
->di_priv
[disp
];
667 mutex_lock(&ipu_di_lock
);
670 di
= ERR_PTR(-EBUSY
);
676 mutex_unlock(&ipu_di_lock
);
680 EXPORT_SYMBOL_GPL(ipu_di_get
);
682 void ipu_di_put(struct ipu_di
*di
)
684 mutex_lock(&ipu_di_lock
);
688 mutex_unlock(&ipu_di_lock
);
690 EXPORT_SYMBOL_GPL(ipu_di_put
);
692 int ipu_di_init(struct ipu_soc
*ipu
, struct device
*dev
, int id
,
694 u32 module
, struct clk
*clk_ipu
)
701 di
= devm_kzalloc(dev
, sizeof(*di
), GFP_KERNEL
);
705 ipu
->di_priv
[id
] = di
;
707 di
->clk_di
= devm_clk_get(dev
, id
? "di1" : "di0");
708 if (IS_ERR(di
->clk_di
))
709 return PTR_ERR(di
->clk_di
);
713 di
->clk_ipu
= clk_ipu
;
714 di
->base
= devm_ioremap(dev
, base
, PAGE_SIZE
);
718 ipu_di_write(di
, 0x10, DI_BS_CLKGEN0
);
720 dev_dbg(dev
, "DI%d base: 0x%08lx remapped to %p\n",
728 void ipu_di_exit(struct ipu_soc
*ipu
, int id
)