2 * drivers/video/rockchip/lcdc/rk3188_lcdc.c
4 * Copyright (C) 2013 ROCKCHIP, Inc.
5 *Author:yxj<yxj@rock-chips.com>
6 *This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
17 #include <linux/module.h>
18 #include <linux/kernel.h>
19 #include <linux/errno.h>
20 #include <linux/string.h>
22 #include <linux/slab.h>
23 #include <linux/device.h>
24 #include <linux/delay.h>
25 #include <linux/init.h>
26 #include <linux/interrupt.h>
27 #include <linux/platform_device.h>
28 #include <linux/clk.h>
29 #include <asm/div64.h>
30 #include <asm/uaccess.h>
31 #include <linux/rockchip/cpu.h>
32 #include <linux/rockchip/iomap.h>
33 #include <linux/rockchip/grf.h>
35 #include "rk3188_lcdc.h"
38 static int dbg_thresd;
39 module_param(dbg_thresd, int, S_IRUGO | S_IWUSR);
41 #define DBG(level, x...) do { \
42 if (unlikely(dbg_thresd >= level)) \
43 printk(KERN_INFO x); } while (0)
45 //#define WAIT_FOR_SYNC 1
47 static int rk3188_lcdc_get_id(u32 phy_base)
49 if (cpu_is_rk319x()) {
50 if (phy_base == 0xffc40000)
52 else if (phy_base == 0xffc50000)
56 } else if (cpu_is_rk3188()) {
57 if (phy_base == 0x1010c000)
59 else if (phy_base == 0x1010e000)
63 } else if (cpu_is_rk3026()) {
64 if (phy_base == 0x1010e000)
66 else if (phy_base == 0x01110000)
71 pr_err("un supported platform \n");
77 static int rk3188_lcdc_set_lut(struct rk_lcdc_driver *dev_drv)
82 struct lcdc_device *lcdc_dev = container_of(dev_drv,
86 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DSP_LUT_EN, v_DSP_LUT_EN(0));
87 lcdc_cfg_done(lcdc_dev);
89 for (i = 0; i < 256; i++) {
90 v = dev_drv->cur_screen->dsp_lut[i];
91 c = lcdc_dev->dsp_lut_addr_base + i;
95 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DSP_LUT_EN, v_DSP_LUT_EN(1));
101 static int rk3188_lcdc_clk_enable(struct lcdc_device *lcdc_dev)
104 if (!lcdc_dev->clk_on) {
105 clk_prepare_enable(lcdc_dev->hclk);
106 clk_prepare_enable(lcdc_dev->dclk);
107 clk_prepare_enable(lcdc_dev->aclk);
108 //clk_enable(lcdc_dev->pd);
109 spin_lock(&lcdc_dev->reg_lock);
110 lcdc_dev->clk_on = 1;
111 spin_unlock(&lcdc_dev->reg_lock);
116 static int rk3188_lcdc_clk_disable(struct lcdc_device *lcdc_dev)
118 if (lcdc_dev->clk_on) {
119 spin_lock(&lcdc_dev->reg_lock);
120 lcdc_dev->clk_on = 0;
121 spin_unlock(&lcdc_dev->reg_lock);
123 clk_disable_unprepare(lcdc_dev->dclk);
124 clk_disable_unprepare(lcdc_dev->hclk);
125 clk_disable_unprepare(lcdc_dev->aclk);
126 //clk_disable(lcdc_dev->pd);
131 static int rk3188_lcdc_reg_dump(struct rk_lcdc_driver *dev_drv)
133 struct lcdc_device *lcdc_dev = container_of(dev_drv,
136 int *cbase = (int *)lcdc_dev->regs;
137 int *regsbak = (int *)lcdc_dev->regsbak;
140 printk("back up reg:\n");
141 for (i = 0; i <= (0x90 >> 4); i++) {
142 for (j = 0; j < 4; j++)
143 printk("%08x ", *(regsbak + i * 4 + j));
147 printk("lcdc reg:\n");
148 for (i = 0; i <= (0x90 >> 4); i++) {
149 for (j = 0; j < 4; j++)
150 printk("%08x ", readl_relaxed(cbase + i * 4 + j));
156 static void rk3188_lcdc_read_reg_defalut_cfg(struct lcdc_device
161 struct rk_lcdc_win *win0 = lcdc_dev->driver.win[0];
162 struct rk_lcdc_win *win1 = lcdc_dev->driver.win[1];
164 spin_lock(&lcdc_dev->reg_lock);
165 for (reg = 0; reg < REG_CFG_DONE; reg += 4) {
166 value = lcdc_readl(lcdc_dev, reg);
169 lcdc_dev->standby = (value & m_LCDC_STANDBY) >> 17;
170 win0->state = (value & m_WIN0_EN) >> 0;
171 win1->state = (value & m_WIN1_EN) >> 1;
172 if (lcdc_dev->id == 0)
173 lcdc_dev->atv_layer_cnt = win0->state;
175 lcdc_dev->atv_layer_cnt = win1->state;
176 win0->area[0].swap_rb = (value & m_WIN0_RB_SWAP) >> 15;
177 win1->area[0].swap_rb = (value & m_WIN1_RB_SWAP) >> 19;
178 win0->area[0].fmt_cfg = (value & m_WIN0_FORMAT) >> 3;
179 win1->area[0].fmt_cfg = (value & m_WIN1_FORMAT) >> 6;
181 case WIN0_SCL_FACTOR_YRGB:
182 win0->scale_yrgb_x = (value >> 0) & 0xffff;
183 win0->scale_yrgb_y = (value >> 16) & 0xffff;
185 case WIN0_SCL_FACTOR_CBR:
186 win0->scale_cbcr_x = (value >> 0) & 0xffff;
187 win0->scale_cbcr_y = (value >> 16) & 0xffff;
190 win0->area[0].xact = (((value >> 0) & 0x1fff) + 1);
191 win0->area[0].yact = (((value >> 16) & 0x1fff) + 1);
194 win0->area[0].dsp_stx = (value >> 0) & 0xfff;
195 win0->area[0].dsp_sty = (value >> 16) & 0xfff;
198 win0->area[0].xsize = (((value >> 0) & 0x7ff) + 1);
199 win0->area[0].ysize = (((value >> 16) & 0x7ff) + 1);
202 win0->area[0].y_vir_stride = (value >> 0) & 0x1fff;
203 win1->area[0].y_vir_stride = (value) & 0x1fff0000;
206 win0->area[0].y_addr = value >> 0;
209 win0->area[0].uv_addr = value >> 0;
212 win1->area[0].xsize = (((value >> 0) & 0x7ff) + 1);
213 win1->area[0].ysize = (((value >> 16) & 0x7ff) + 1);
216 win1->area[0].dsp_stx = (value >> 0) & 0xfff;
217 win1->area[0].dsp_sty = (value >> 16) & 0xfff;
220 win1->area[0].y_addr = value >> 0;
223 DBG(2, "%s:uncare reg\n", __func__);
227 spin_unlock(&lcdc_dev->reg_lock);
230 /********do basic init*********/
231 static int rk3188_lcdc_pre_init(struct rk_lcdc_driver *dev_drv)
234 struct lcdc_device *lcdc_dev = container_of(dev_drv,
239 if (lcdc_dev->pre_init)
242 if (lcdc_dev->id == 0) {
243 //lcdc_dev->pd = clk_get(NULL,"pd_lcdc0");
244 lcdc_dev->hclk = clk_get(NULL, "g_h_lcdc0");
245 lcdc_dev->aclk = clk_get(NULL, "aclk_lcdc0");
246 lcdc_dev->dclk = clk_get(NULL, "dclk_lcdc0");
247 } else if (lcdc_dev->id == 1) {
248 //lcdc_dev->pd = clk_get(NULL,"pd_lcdc1");
249 lcdc_dev->hclk = clk_get(NULL, "g_h_lcdc1");
250 lcdc_dev->aclk = clk_get(NULL, "aclk_lcdc1");
251 lcdc_dev->dclk = clk_get(NULL, "dclk_lcdc1");
253 dev_err(lcdc_dev->dev, "invalid lcdc device!\n");
256 if (IS_ERR(lcdc_dev->pd) || (IS_ERR(lcdc_dev->aclk)) ||
257 (IS_ERR(lcdc_dev->dclk)) || (IS_ERR(lcdc_dev->hclk))) {
258 dev_err(lcdc_dev->dev, "failed to get lcdc%d clk source\n",
262 /*uboot display has enabled lcdc in boot */
263 if (!support_uboot_display()) {
264 rk_disp_pwr_enable(dev_drv);
265 rk3188_lcdc_clk_enable(lcdc_dev);
267 lcdc_dev->clk_on = 1;
270 rk3188_lcdc_read_reg_defalut_cfg(lcdc_dev);
272 if (lcdc_dev->id == 0) {
273 if (lcdc_dev->pwr18 == true) {
274 v = 0x40004000; /*bit14: 1,1.8v;0,3.3v*/
275 writel_relaxed(v, RK_GRF_VIRT + RK3188_GRF_IO_CON4);
278 writel_relaxed(v, RK_GRF_VIRT + RK3188_GRF_IO_CON4);
282 if (lcdc_dev->id == 1) {
283 if (lcdc_dev->pwr18 == true) {
284 v = 0x80008000; /*bit14: 1,1.8v;0,3.3v*/
285 writel_relaxed(v, RK_GRF_VIRT + RK3188_GRF_IO_CON4);
288 writel_relaxed(v, RK_GRF_VIRT + RK3188_GRF_IO_CON4);
290 pinctrl_select_state(lcdc_dev->dev->pins->p,
291 lcdc_dev->dev->pins->default_state);
294 lcdc_set_bit(lcdc_dev, SYS_CTRL, m_AUTO_GATING_EN);
295 lcdc_cfg_done(lcdc_dev);
296 lcdc_dev->pre_init = true;
301 static void rk3188_lcdc_deint(struct lcdc_device *lcdc_dev)
304 spin_lock(&lcdc_dev->reg_lock);
305 if (likely(lcdc_dev->clk_on)) {
306 lcdc_dev->clk_on = 0;
307 lcdc_msk_reg(lcdc_dev, INT_STATUS, m_FS_INT_CLEAR,
309 mask = m_HS_INT_EN | m_FS_INT_EN | m_LF_INT_EN |
311 val = v_HS_INT_EN(0) | v_FS_INT_EN(0) |
312 v_LF_INT_EN(0) | v_BUS_ERR_INT_EN(0);
313 lcdc_msk_reg(lcdc_dev, INT_STATUS, mask, val);
314 lcdc_set_bit(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY);
315 lcdc_cfg_done(lcdc_dev);
316 spin_unlock(&lcdc_dev->reg_lock);
318 spin_unlock(&lcdc_dev->reg_lock);
324 static int rk3188_lcdc_alpha_cfg(struct lcdc_device *lcdc_dev)
328 enum data_format win0_format = lcdc_dev->driver.win[0]->area[0].format;
329 enum data_format win1_format = lcdc_dev->driver.win[1]->area[0].format;
331 int win0_alpha_en = ((win0_format == ARGB888)
332 || (win0_format == ABGR888)) ? 1 : 0;
333 int win1_alpha_en = ((win1_format == ARGB888)
334 || (win1_format == ABGR888)) ? 1 : 0;
335 u32 *_pv = (u32 *) lcdc_dev->regsbak;
336 _pv += (DSP_CTRL0 >> 2);
337 win0_top = ((*_pv) & (m_WIN0_TOP)) >> 8;
338 if (win0_top && (lcdc_dev->atv_layer_cnt >= 2) && (win0_alpha_en)) {
339 lcdc_msk_reg(lcdc_dev, ALPHA_CTRL, m_WIN0_ALPHA_EN |
340 m_WIN1_ALPHA_EN, v_WIN0_ALPHA_EN(1) |
342 mask = m_WIN0_ALPHA_MODE | m_ALPHA_MODE_SEL0 | m_ALPHA_MODE_SEL1;
343 val = v_WIN0_ALPHA_MODE(1) | v_ALPHA_MODE_SEL0(1) | v_ALPHA_MODE_SEL1(0);
344 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
345 } else if ((!win0_top) && (lcdc_dev->atv_layer_cnt >= 2)
346 && (win1_alpha_en)) {
347 mask = m_WIN0_ALPHA_EN | m_WIN1_ALPHA_EN;
348 val = v_WIN0_ALPHA_EN(0) | v_WIN1_ALPHA_EN(1);
349 lcdc_msk_reg(lcdc_dev, ALPHA_CTRL, mask, val);
351 mask = m_WIN1_ALPHA_MODE | m_ALPHA_MODE_SEL0 | m_ALPHA_MODE_SEL1;
352 val = v_WIN1_ALPHA_MODE(1) | v_ALPHA_MODE_SEL0(1) | v_ALPHA_MODE_SEL1(0);
353 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
355 mask = m_WIN0_ALPHA_EN | m_WIN1_ALPHA_EN;
356 val = v_WIN0_ALPHA_EN(0) | v_WIN1_ALPHA_EN(0);
357 lcdc_msk_reg(lcdc_dev, ALPHA_CTRL, mask, val);
363 static int rk3188_lcdc_reg_update(struct rk_lcdc_driver *dev_drv)
365 struct lcdc_device *lcdc_dev =
366 container_of(dev_drv, struct lcdc_device, driver);
367 struct rk_lcdc_win *win0 = lcdc_dev->driver.win[0];
368 struct rk_lcdc_win *win1 = lcdc_dev->driver.win[1];
371 spin_lock(&lcdc_dev->reg_lock);
372 if (likely(lcdc_dev->clk_on)) {
373 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
374 v_LCDC_STANDBY(lcdc_dev->standby));
375 lcdc_msk_reg(lcdc_dev, SYS_CTRL,
376 m_WIN0_EN | m_WIN1_EN | m_WIN0_RB_SWAP |
378 v_WIN0_EN(win0->state) | v_WIN1_EN(win1->state) |
379 v_WIN0_RB_SWAP(win0->area[0].swap_rb) |
380 v_WIN1_RB_SWAP(win1->area[0].swap_rb));
381 lcdc_writel(lcdc_dev, WIN0_SCL_FACTOR_YRGB,
382 v_X_SCL_FACTOR(win0->scale_yrgb_x) |
383 v_Y_SCL_FACTOR(win0->scale_yrgb_y));
384 lcdc_writel(lcdc_dev, WIN0_SCL_FACTOR_CBR,
385 v_X_SCL_FACTOR(win0->scale_cbcr_x) |
386 v_Y_SCL_FACTOR(win0->scale_cbcr_y));
387 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN0_FORMAT,
388 v_WIN0_FORMAT(win0->area[0].fmt_cfg));
389 lcdc_writel(lcdc_dev, WIN0_ACT_INFO, v_ACT_WIDTH(win0->area[0].xact) |
390 v_ACT_HEIGHT(win0->area[0].yact));
391 lcdc_writel(lcdc_dev, WIN0_DSP_ST, v_DSP_STX(win0->area[0].dsp_stx) |
392 v_DSP_STY(win0->area[0].dsp_sty));
393 lcdc_writel(lcdc_dev, WIN0_DSP_INFO, v_DSP_WIDTH(win0->area[0].xsize) |
394 v_DSP_HEIGHT(win0->area[0].ysize));
395 lcdc_msk_reg(lcdc_dev, WIN_VIR, m_WIN0_VIR,
396 v_WIN0_VIR_VAL(win0->area[0].y_vir_stride));
397 lcdc_writel(lcdc_dev, WIN0_YRGB_MST0, win0->area[0].y_addr);
398 lcdc_writel(lcdc_dev, WIN0_CBR_MST0, win0->area[0].uv_addr);
399 lcdc_writel(lcdc_dev, WIN1_DSP_INFO, v_DSP_WIDTH(win1->area[0].xsize) |
400 v_DSP_HEIGHT(win1->area[0].ysize));
401 lcdc_writel(lcdc_dev, WIN1_DSP_ST, v_DSP_STX(win1->area[0].dsp_stx) |
402 v_DSP_STY(win1->area[0].dsp_sty));
403 lcdc_msk_reg(lcdc_dev, WIN_VIR, m_WIN1_VIR,
404 ((win1->area[0].y_vir_stride)&0x1fff)<<16);
405 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN1_FORMAT,
406 v_WIN1_FORMAT(win1->area[0].fmt_cfg));
407 lcdc_writel(lcdc_dev, WIN1_MST, win1->area[0].y_addr);
408 rk3188_lcdc_alpha_cfg(lcdc_dev);
409 lcdc_cfg_done(lcdc_dev);
412 spin_unlock(&lcdc_dev->reg_lock);
413 //if (dev_drv->wait_fs) {
415 spin_lock_irqsave(&dev_drv->cpl_lock, flags);
416 init_completion(&dev_drv->frame_done);
417 spin_unlock_irqrestore(&dev_drv->cpl_lock, flags);
418 timeout = wait_for_completion_timeout(&dev_drv->frame_done,
420 (dev_drv->cur_screen->ft +
422 if (!timeout && (!dev_drv->frame_done.done)) {
423 dev_warn(lcdc_dev->dev, "wait for new frame start time out!\n");
427 DBG(2, "%s for lcdc%d\n", __func__, lcdc_dev->id);
432 static int rk3188_lcdc_reg_restore(struct lcdc_device *lcdc_dev)
434 memcpy((u8 *) lcdc_dev->regs, (u8 *) lcdc_dev->regsbak, 0x84);
439 static int rk3188_load_screen(struct rk_lcdc_driver *dev_drv, bool initscreen)
444 struct lcdc_device *lcdc_dev = container_of(dev_drv,
445 struct lcdc_device, driver);
446 struct rk_screen *screen = dev_drv->cur_screen;
447 u16 right_margin = screen->mode.right_margin;
448 u16 left_margin = screen->mode.left_margin;
449 u16 lower_margin = screen->mode.lower_margin;
450 u16 upper_margin = screen->mode.upper_margin;
451 u16 x_res = screen->mode.xres;
452 u16 y_res = screen->mode.yres;
455 spin_lock(&lcdc_dev->reg_lock);
456 if (likely(lcdc_dev->clk_on)) {
457 switch (screen->face) {
460 mask = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
462 val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0) |
463 v_DITHER_DOWN_SEL(1);
464 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
468 mask = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
470 val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1) |
471 v_DITHER_DOWN_SEL(1);
472 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
476 mask = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
478 val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0) |
479 v_DITHER_DOWN_SEL(1);
480 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
484 mask = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
486 val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1) |
487 v_DITHER_DOWN_SEL(1);
488 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
492 mask = m_DITHER_DOWN_EN | m_DITHER_UP_EN;
493 val = v_DITHER_DOWN_EN(0) | v_DITHER_UP_EN(0);
494 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
497 dev_err(lcdc_dev->dev, "un supported interface!\n");
501 mask = m_DSP_OUT_FORMAT | m_HSYNC_POL | m_VSYNC_POL |
502 m_DEN_POL | m_DCLK_POL;
503 val = v_DSP_OUT_FORMAT(face) | v_HSYNC_POL(screen->pin_hsync) |
504 v_VSYNC_POL(screen->pin_vsync) | v_DEN_POL(screen->pin_den) |
505 v_DCLK_POL(screen->pin_dclk);
506 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
508 mask = m_BG_COLOR | m_DSP_BG_SWAP | m_DSP_RB_SWAP |
509 m_DSP_RG_SWAP | m_DSP_DELTA_SWAP |
510 m_DSP_DUMMY_SWAP | m_BLANK_EN;
511 val = v_BG_COLOR(0x000000) | v_DSP_BG_SWAP(screen->swap_gb) |
512 v_DSP_RB_SWAP(screen->swap_rb) | v_DSP_RG_SWAP(screen->
514 v_DSP_DELTA_SWAP(screen->
515 swap_delta) | v_DSP_DUMMY_SWAP(screen->
517 v_BLANK_EN(0) | v_BLACK_EN(0);
518 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, mask, val);
520 v_HSYNC(screen->mode.hsync_len) | v_HORPRD(screen->mode.
525 lcdc_writel(lcdc_dev, DSP_HTOTAL_HS_END, val);
526 val = v_HAEP(screen->mode.hsync_len + left_margin + x_res) |
527 v_HASP(screen->mode.hsync_len + left_margin);
528 lcdc_writel(lcdc_dev, DSP_HACT_ST_END, val);
531 v_VSYNC(screen->mode.vsync_len) | v_VERPRD(screen->mode.
536 lcdc_writel(lcdc_dev, DSP_VTOTAL_VS_END, val);
538 val = v_VAEP(screen->mode.vsync_len + upper_margin + y_res) |
539 v_VASP(screen->mode.vsync_len + screen->mode.upper_margin);
540 lcdc_writel(lcdc_dev, DSP_VACT_ST_END, val);
542 spin_unlock(&lcdc_dev->reg_lock);
544 ret = clk_set_rate(lcdc_dev->dclk, screen->mode.pixclock);
546 dev_err(dev_drv->dev, "set lcdc%d dclk failed\n", lcdc_dev->id);
548 div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
549 lcdc_dev->driver.pixclock = lcdc_dev->pixclock;
551 fps = rk_fb_calc_fps(screen, lcdc_dev->pixclock);
552 screen->ft = 1000 / fps;
553 dev_info(lcdc_dev->dev, "%s: dclk:%lu>>fps:%d ",
554 lcdc_dev->driver.name, clk_get_rate(lcdc_dev->dclk), fps);
555 if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
556 dev_drv->trsm_ops->enable();
563 /*enable layer,open:1,enable;0 disable*/
564 static int win0_open(struct lcdc_device *lcdc_dev, bool open)
566 spin_lock(&lcdc_dev->reg_lock);
567 if (likely(lcdc_dev->clk_on)) {
569 if (!lcdc_dev->atv_layer_cnt) {
570 dev_info(lcdc_dev->dev, "wakeup from standby!\n");
571 lcdc_dev->standby = 0;
573 lcdc_dev->atv_layer_cnt++;
574 } else if ((lcdc_dev->atv_layer_cnt > 0) && (!open)) {
575 lcdc_dev->atv_layer_cnt--;
577 lcdc_dev->driver.win[0]->state = open;
578 if (!lcdc_dev->atv_layer_cnt) {
579 dev_info(lcdc_dev->dev, "no layer is used,go to standby!\n");
580 lcdc_dev->standby = 1;
583 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN0_EN, v_WIN0_EN(open));
584 spin_unlock(&lcdc_dev->reg_lock);
589 static int win1_open(struct lcdc_device *lcdc_dev, bool open)
591 spin_lock(&lcdc_dev->reg_lock);
592 if (likely(lcdc_dev->clk_on)) {
594 if (!lcdc_dev->atv_layer_cnt) {
595 dev_info(lcdc_dev->dev, "wakeup from standby!\n");
596 lcdc_dev->standby = 0;
598 lcdc_dev->atv_layer_cnt++;
599 } else if ((lcdc_dev->atv_layer_cnt > 0) && (!open)) {
600 lcdc_dev->atv_layer_cnt--;
602 lcdc_dev->driver.win[1]->state = open;
603 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN1_EN, v_WIN1_EN(open));
604 /*if no layer used,disable lcdc*/
605 if (!lcdc_dev->atv_layer_cnt) {
606 dev_info(lcdc_dev->dev, "no layer is used,go to standby!\n");
607 lcdc_dev->standby = 1;
610 spin_unlock(&lcdc_dev->reg_lock);
615 static int rk3188_lcdc_open(struct rk_lcdc_driver *dev_drv, int win_id,
618 struct lcdc_device *lcdc_dev = container_of(dev_drv,
619 struct lcdc_device, driver);
621 /*enable clk,when first layer open */
622 if ((open) && (!lcdc_dev->atv_layer_cnt)) {
623 rk3188_lcdc_pre_init(dev_drv);
624 rk3188_lcdc_clk_enable(lcdc_dev);
625 rk3188_lcdc_reg_restore(lcdc_dev);
626 rk3188_load_screen(dev_drv, 1);
627 spin_lock(&lcdc_dev->reg_lock);
628 if (dev_drv->cur_screen->dsp_lut)
629 rk3188_lcdc_set_lut(dev_drv);
630 spin_unlock(&lcdc_dev->reg_lock);
634 win0_open(lcdc_dev, open);
635 else if (win_id == 1)
636 win1_open(lcdc_dev, open);
638 dev_err(lcdc_dev->dev, "invalid win id:%d\n", win_id);
640 /*when all layer closed,disable clk */
641 if ((!open) && (!lcdc_dev->atv_layer_cnt)) {
642 lcdc_msk_reg(lcdc_dev, INT_STATUS,
643 m_FS_INT_CLEAR, v_FS_INT_CLEAR(1));
644 rk3188_lcdc_reg_update(dev_drv);
645 rk3188_lcdc_clk_disable(lcdc_dev);
651 static int win0_display(struct lcdc_device *lcdc_dev,
652 struct rk_lcdc_win *win)
656 y_addr = win->area[0].smem_start+win->area[0].y_offset;
657 uv_addr = win->area[0].cbr_start + win->area[0].c_offset;
658 DBG(2, "lcdc%d>>%s:y_addr:0x%x>>uv_addr:0x%x\n",
659 lcdc_dev->id, __func__, y_addr, uv_addr);
661 spin_lock(&lcdc_dev->reg_lock);
662 if (likely(lcdc_dev->clk_on)) {
663 lcdc_writel(lcdc_dev, WIN0_YRGB_MST0, y_addr);
664 lcdc_writel(lcdc_dev, WIN0_CBR_MST0, uv_addr);
666 spin_unlock(&lcdc_dev->reg_lock);
672 static int win1_display(struct lcdc_device *lcdc_dev,
673 struct rk_lcdc_win *win)
677 y_addr = win->area[0].smem_start + win->area[0].y_offset;
678 uv_addr = win->area[0].cbr_start + win->area[0].c_offset;
679 DBG(2, "lcdc%d>>%s>>y_addr:0x%x>>uv_addr:0x%x\n",
680 lcdc_dev->id, __func__, y_addr, uv_addr);
682 spin_lock(&lcdc_dev->reg_lock);
683 if (likely(lcdc_dev->clk_on))
684 lcdc_writel(lcdc_dev,WIN1_MST,y_addr);
685 spin_unlock(&lcdc_dev->reg_lock);
691 static int rk3188_lcdc_pan_display(struct rk_lcdc_driver *dev_drv, int win_id)
693 struct lcdc_device *lcdc_dev = container_of(dev_drv,
694 struct lcdc_device, driver);
695 struct rk_lcdc_win *win = NULL;
696 struct rk_screen *screen = dev_drv->cur_screen;
698 #if defined(WAIT_FOR_SYNC)
704 dev_err(dev_drv->dev,"screen is null!\n");
709 win = dev_drv->win[0];
710 win0_display(lcdc_dev, win);
711 } else if(win_id==1) {
712 win = dev_drv->win[1];
713 win1_display(lcdc_dev, win);
715 dev_err(dev_drv->dev,"invalid win number:%d!\n", win_id);
719 /*this is the first frame of the system ,enable frame start interrupt*/
720 if ((dev_drv->first_frame)) {
721 dev_drv->first_frame = 0;
722 msk = m_FS_INT_CLEAR |m_FS_INT_EN;
723 val = v_FS_INT_CLEAR(1) | v_FS_INT_EN(1);
724 lcdc_msk_reg(lcdc_dev, INT_STATUS, msk, val);
728 #if defined(WAIT_FOR_SYNC)
729 spin_lock_irqsave(&dev_drv->cpl_lock, flags);
730 init_completion(&dev_drv->frame_done);
731 spin_unlock_irqrestore(&dev_drv->cpl_lock, flags);
732 timeout = wait_for_completion_timeout(&dev_drv->frame_done,
733 msecs_to_jiffies(dev_drv->cur_screen->ft +5));
734 if (!timeout && (!dev_drv->frame_done.done)) {
735 dev_info(dev_drv->dev, "wait for new frame start time out!\n");
744 static int win0_set_par(struct lcdc_device *lcdc_dev,
745 struct rk_screen *screen, struct rk_lcdc_win *win)
747 u32 xact, yact, xvir, yvir, xpos, ypos;
748 u32 ScaleYrgbX = 0x1000;
749 u32 ScaleYrgbY = 0x1000;
750 u32 ScaleCbrX = 0x1000;
751 u32 ScaleCbrY = 0x1000;
753 char fmt[9] = "NULL";
754 xact = win->area[0].xact;
755 yact = win->area[0].yact;
756 xvir = win->area[0].xvir;
757 yvir = win->area[0].yvir;
758 xpos = win->area[0].xpos + screen->mode.left_margin + screen->mode.hsync_len;
759 ypos = win->area[0].ypos + screen->mode.upper_margin + screen->mode.vsync_len;
761 ScaleYrgbX = CalScale(xact, win->area[0].xsize);
762 ScaleYrgbY = CalScale(yact, win->area[0].ysize);
763 switch (win->area[0].format) {
777 ScaleCbrX = CalScale((xact / 2), win->area[0].xsize);
778 ScaleCbrY = CalScale(yact, win->area[0].ysize);
782 ScaleCbrX = CalScale(xact / 2, win->area[0].xsize);
783 ScaleCbrY = CalScale(yact / 2, win->area[0].ysize);
787 ScaleCbrX = CalScale(xact, win->area[0].xsize);
788 ScaleCbrY = CalScale(yact, win->area[0].ysize);
791 dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
796 DBG(1, "lcdc%d>>%s\n>>format:%s>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d\n"
797 ">>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n", lcdc_dev->id,
798 __func__, get_format_string(win->area[0].format, fmt), xact,
799 yact, win->area[0].xsize, win->area[0].ysize, xvir, yvir, xpos, ypos);
801 spin_lock(&lcdc_dev->reg_lock);
803 win->scale_yrgb_x = ScaleYrgbX;
804 win->scale_yrgb_y = ScaleYrgbY;
805 win->scale_cbcr_x = ScaleCbrX;
806 win->scale_cbcr_y = ScaleCbrY;
807 win->area[0].fmt_cfg = fmt_cfg;
808 win->area[0].dsp_stx = xpos;
809 win->area[0].dsp_sty = ypos;
811 switch (win->area[0].format) {
814 win->area[0].swap_rb = 1;
817 win->area[0].swap_rb = 0;
820 win->area[0].swap_rb = 0;
823 win->area[0].swap_rb = 0;
828 win->area[0].swap_rb = 0;
831 dev_err(lcdc_dev->driver.dev,
832 "%s:un supported format!\n", __func__);
837 if (likely(lcdc_dev->clk_on)) {
838 lcdc_writel(lcdc_dev, WIN0_SCL_FACTOR_YRGB,v_X_SCL_FACTOR(ScaleYrgbX) | v_Y_SCL_FACTOR(ScaleYrgbY));
839 lcdc_writel(lcdc_dev, WIN0_SCL_FACTOR_CBR,v_X_SCL_FACTOR(ScaleCbrX) | v_Y_SCL_FACTOR(ScaleCbrY));
840 lcdc_msk_reg(lcdc_dev, SYS_CTRL,m_WIN0_FORMAT,v_WIN0_FORMAT(fmt_cfg));
841 lcdc_writel(lcdc_dev, WIN0_ACT_INFO,v_ACT_WIDTH(xact) | v_ACT_HEIGHT(yact));
842 lcdc_writel(lcdc_dev, WIN0_DSP_ST,v_DSP_STX(xpos) | v_DSP_STY(ypos));
843 lcdc_writel(lcdc_dev, WIN0_DSP_INFO,v_DSP_WIDTH(win->area[0].xsize) |
844 v_DSP_HEIGHT(win->area[0].ysize));
845 lcdc_msk_reg(lcdc_dev, WIN_VIR, m_WIN0_VIR, v_WIN0_VIR_VAL(win->area[0].y_vir_stride));
846 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN0_EN | m_WIN0_RB_SWAP,
847 v_WIN0_EN(win->state) |
848 v_WIN0_RB_SWAP(win->area[0].swap_rb));
849 lcdc_msk_reg(lcdc_dev, WIN0_COLOR_KEY, m_COLOR_KEY_EN, v_COLOR_KEY_EN(0));
851 spin_unlock(&lcdc_dev->reg_lock);
857 static int win1_set_par(struct lcdc_device *lcdc_dev,
858 struct rk_screen *screen, struct rk_lcdc_win *win)
860 u32 xact, yact, xvir, yvir, xpos, ypos;
862 char fmt[9] = "NULL";
863 xact = win->area[0].xact;
864 yact = win->area[0].yact;
865 xvir = win->area[0].xvir;
866 yvir = win->area[0].yvir;
867 xpos = win->area[0].xpos + screen->mode.left_margin + screen->mode.hsync_len;
868 ypos = win->area[0].ypos + screen->mode.upper_margin + screen->mode.vsync_len;
870 DBG(1, "lcdc%d>>%s>>format:%s>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d\n"
871 ">>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n", lcdc_dev->id,
872 __func__, get_format_string(win->area[0].format, fmt),
873 xact, yact, win->area[0].xsize, win->area[0].ysize,
874 xvir, yvir, xpos, ypos);
876 spin_lock(&lcdc_dev->reg_lock);
877 win->area[0].dsp_stx = xpos;
878 win->area[0].dsp_sty = ypos;
879 switch (win->area[0].format) {
883 win->area[0].swap_rb = 1;
887 win->area[0].swap_rb = 0;
892 win->area[0].swap_rb = 0;
896 win->area[0].swap_rb = 0;
899 dev_err(lcdc_dev->driver.dev,
900 "%s:un supported format!\n", __func__);
903 win->area[0].fmt_cfg = fmt_cfg;
904 if (likely(lcdc_dev->clk_on)) {
905 lcdc_writel(lcdc_dev, WIN1_DSP_INFO,v_DSP_WIDTH(win->area[0].xsize) |
906 v_DSP_HEIGHT(win->area[0].ysize));
907 lcdc_writel(lcdc_dev, WIN1_DSP_ST,v_DSP_STX(xpos) | v_DSP_STY(ypos));
908 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN1_EN | m_WIN1_RB_SWAP,
909 v_WIN1_EN(win->state) |
910 v_WIN1_RB_SWAP(win->area[0].swap_rb));
911 lcdc_msk_reg(lcdc_dev, SYS_CTRL,m_WIN1_FORMAT, v_WIN1_FORMAT(fmt_cfg));
912 lcdc_msk_reg(lcdc_dev, WIN_VIR, m_WIN1_VIR,
913 ((win->area[0].y_vir_stride)&0x1fff)<<16);
915 spin_unlock(&lcdc_dev->reg_lock);
920 static int rk3188_lcdc_set_par(struct rk_lcdc_driver *dev_drv,int win_id)
922 struct lcdc_device *lcdc_dev = container_of(dev_drv,
923 struct lcdc_device, driver);
924 struct rk_lcdc_win *win = NULL;
925 struct rk_screen *screen = dev_drv->cur_screen;
928 dev_err(dev_drv->dev, "screen is null!\n");
933 win = dev_drv->win[0];
934 win0_set_par(lcdc_dev, screen, win);
935 } else if (win_id == 1) {
936 win = dev_drv->win[1];
937 win1_set_par(lcdc_dev, screen, win);
939 dev_err(dev_drv->dev, "un supported win number:%d\n", win_id);
943 if (lcdc_dev->clk_on) {
944 rk3188_lcdc_alpha_cfg(lcdc_dev);
952 static int rk3188_lcdc_ioctl(struct rk_lcdc_driver *dev_drv, unsigned int cmd,
953 unsigned long arg, int win_id)
955 struct lcdc_device *lcdc_dev = container_of(dev_drv,
956 struct lcdc_device, driver);
958 void __user *argp = (void __user *)arg;
959 struct color_key_cfg clr_key_cfg;
962 case RK_FBIOGET_PANEL_SIZE:
963 panel_size[0] = lcdc_dev->screen->mode.xres;
964 panel_size[1] = lcdc_dev->screen->mode.yres;
965 if (copy_to_user(argp, panel_size, 8))
968 case RK_FBIOPUT_COLOR_KEY_CFG:
969 if (copy_from_user(&clr_key_cfg, argp,
970 sizeof(struct color_key_cfg)))
972 lcdc_writel(lcdc_dev, WIN0_COLOR_KEY,
973 clr_key_cfg.win0_color_key_cfg);
974 lcdc_writel(lcdc_dev, WIN1_COLOR_KEY,
975 clr_key_cfg.win1_color_key_cfg);
984 static int rk3188_lcdc_early_suspend(struct rk_lcdc_driver *dev_drv)
987 struct lcdc_device *lcdc_dev = container_of(dev_drv,
988 struct lcdc_device, driver);
989 if (dev_drv->suspend_flag)
991 dev_drv->suspend_flag = 1;
992 flush_kthread_worker(&dev_drv->update_regs_worker);
994 if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
995 dev_drv->trsm_ops->disable();
996 spin_lock(&lcdc_dev->reg_lock);
997 if (likely(lcdc_dev->clk_on)) {
998 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN,
1000 lcdc_msk_reg(lcdc_dev, INT_STATUS, m_FS_INT_CLEAR,
1002 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_OUT_ZERO,
1004 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
1006 lcdc_cfg_done(lcdc_dev);
1007 spin_unlock(&lcdc_dev->reg_lock);
1009 spin_unlock(&lcdc_dev->reg_lock);
1012 rk3188_lcdc_clk_disable(lcdc_dev);
1013 rk_disp_pwr_disable(dev_drv);
1017 static int rk3188_lcdc_early_resume(struct rk_lcdc_driver *dev_drv)
1019 struct lcdc_device *lcdc_dev =
1020 container_of(dev_drv, struct lcdc_device, driver);
1025 if (!dev_drv->suspend_flag)
1027 rk_disp_pwr_enable(dev_drv);
1028 dev_drv->suspend_flag = 0;
1030 if (lcdc_dev->atv_layer_cnt) {
1031 rk3188_lcdc_clk_enable(lcdc_dev);
1032 rk3188_lcdc_reg_restore(lcdc_dev);
1034 spin_lock(&lcdc_dev->reg_lock);
1035 if (dev_drv->cur_screen->dsp_lut) {
1036 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DSP_LUT_EN,
1038 lcdc_cfg_done(lcdc_dev);
1040 for (i = 0; i < 256; i++) {
1041 v = dev_drv->cur_screen->dsp_lut[i];
1042 c = lcdc_dev->dsp_lut_addr_base + i;
1043 writel_relaxed(v, c);
1045 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DSP_LUT_EN,
1049 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_OUT_ZERO,
1051 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
1053 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN,
1055 lcdc_cfg_done(lcdc_dev);
1057 spin_unlock(&lcdc_dev->reg_lock);
1060 if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
1061 dev_drv->trsm_ops->enable();
1066 static int rk3188_lcdc_blank(struct rk_lcdc_driver *dev_drv,
1067 int win_id, int blank_mode)
1069 switch (blank_mode) {
1070 case FB_BLANK_UNBLANK:
1071 rk3188_lcdc_early_resume(dev_drv);
1073 case FB_BLANK_NORMAL:
1074 rk3188_lcdc_early_suspend(dev_drv);
1077 rk3188_lcdc_early_suspend(dev_drv);
1081 dev_info(dev_drv->dev, "blank mode:%d\n", blank_mode);
1086 static int rk3188_lcdc_get_win_state(struct rk_lcdc_driver *dev_drv, int win_id)
1091 static int rk3188_lcdc_ovl_mgr(struct rk_lcdc_driver *dev_drv, int swap,
1094 struct lcdc_device *lcdc_dev =
1095 container_of(dev_drv, struct lcdc_device, driver);
1097 spin_lock(&lcdc_dev->reg_lock);
1098 if (lcdc_dev->clk_on) {
1100 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_WIN0_TOP,
1104 ovl = lcdc_read_bit(lcdc_dev, DSP_CTRL0, m_WIN0_TOP);
1109 spin_unlock(&lcdc_dev->reg_lock);
1114 static ssize_t rk3188_lcdc_get_disp_info(struct rk_lcdc_driver *dev_drv,
1115 char *buf, int win_id)
1117 struct lcdc_device *lcdc_dev = container_of(dev_drv,
1122 char format_w0[9] = "NULL";
1123 char format_w1[9] = "NULL";
1124 char status_w0[9] = "NULL";
1125 char status_w1[9] = "NULL";
1126 u32 fmt_id, act_info, dsp_info, dsp_st, factor;
1127 u16 xvir_w0, x_act_w0, y_act_w0, x_dsp_w0, y_dsp_w0;
1128 u16 x_st_w0, y_st_w0, x_factor, y_factor;
1129 u16 xvir_w1, x_dsp_w1, y_dsp_w1, x_st_w1, y_st_w1;
1130 u16 x_scale, y_scale, ovl;
1131 spin_lock(&lcdc_dev->reg_lock);
1132 if (lcdc_dev->clk_on) {
1133 fmt_id = lcdc_readl(lcdc_dev, SYS_CTRL);
1134 ovl = lcdc_read_bit(lcdc_dev, DSP_CTRL0, m_WIN0_TOP);
1135 switch ((fmt_id & m_WIN0_FORMAT) >> 3) {
1137 strcpy(format_w0, "ARGB888");
1140 strcpy(format_w0, "RGB888");
1143 strcpy(format_w0, "RGB565");
1146 strcpy(format_w0, "YCbCr420");
1149 strcpy(format_w0, "YCbCr422");
1152 strcpy(format_w0, "YCbCr444");
1155 strcpy(format_w0, "invalid\n");
1159 switch ((fmt_id & m_WIN1_FORMAT) >> 6) {
1161 strcpy(format_w1, "ARGB888");
1164 strcpy(format_w1, "RGB888");
1167 strcpy(format_w1, "RGB565");
1170 strcpy(format_w1, "8bpp");
1173 strcpy(format_w1, "4bpp");
1176 strcpy(format_w1, "2bpp");
1179 strcpy(format_w1, "1bpp");
1182 strcpy(format_w1, "invalid\n");
1186 if (fmt_id & m_WIN0_EN)
1187 strcpy(status_w0, "enabled");
1189 strcpy(status_w0, "disabled");
1191 if ((fmt_id & m_WIN1_EN) >> 1)
1192 strcpy(status_w1, "enabled");
1194 strcpy(status_w1, "disabled");
1196 xvir_w0 = lcdc_readl(lcdc_dev, WIN_VIR) & 0x1fff;
1197 act_info = lcdc_readl(lcdc_dev, WIN0_ACT_INFO);
1198 dsp_info = lcdc_readl(lcdc_dev, WIN0_DSP_INFO);
1199 dsp_st = lcdc_readl(lcdc_dev, WIN0_DSP_ST);
1200 factor = lcdc_readl(lcdc_dev, WIN0_SCL_FACTOR_YRGB);
1201 x_act_w0 = (act_info & 0x1fff) + 1;
1202 y_act_w0 = ((act_info >> 16) & 0x1fff) + 1;
1203 x_dsp_w0 = (dsp_info & 0x7ff) + 1;
1204 y_dsp_w0 = ((dsp_info >> 16) & 0x7ff) + 1;
1205 x_st_w0 = dsp_st & 0xffff;
1206 y_st_w0 = dsp_st >> 16;
1207 x_factor = factor & 0xffff;
1208 y_factor = factor >> 16;
1209 x_scale = 4096 * 100 / x_factor;
1210 y_scale = 4096 * 100 / y_factor;
1211 xvir_w1 = (lcdc_readl(lcdc_dev, WIN_VIR) >> 16) & 0x1fff;
1212 dsp_info = lcdc_readl(lcdc_dev, WIN1_DSP_INFO);
1213 dsp_st = lcdc_readl(lcdc_dev, WIN1_DSP_ST);
1214 x_dsp_w1 = (dsp_info & 0x7ff) + 1;
1215 y_dsp_w1 = ((dsp_info >> 16) & 0x7ff) + 1;
1216 x_st_w1 = dsp_st & 0xffff;
1217 y_st_w1 = dsp_st >> 16;
1219 spin_unlock(&lcdc_dev->reg_lock);
1222 spin_unlock(&lcdc_dev->reg_lock);
1223 return snprintf(buf, PAGE_SIZE,
1235 "YRGB buffer addr:0x%08x\n"
1236 "CBR buffer addr:0x%08x\n\n"
1244 "YRGB buffer addr:0x%08x\n"
1259 lcdc_readl(lcdc_dev, WIN0_YRGB_MST0),
1260 lcdc_readl(lcdc_dev, WIN0_CBR_MST0),
1268 lcdc_readl(lcdc_dev, WIN1_MST),
1269 ovl ? "win0 on the top of win1\n" :
1270 "win1 on the top of win0\n");
1273 static int rk3188_lcdc_fps_mgr(struct rk_lcdc_driver *dev_drv, int fps,
1276 struct lcdc_device *lcdc_dev =
1277 container_of(dev_drv, struct lcdc_device, driver);
1278 struct rk_screen *screen = dev_drv->cur_screen;
1283 u32 x_total, y_total;
1285 ft = div_u64(1000000000000llu, fps);
1287 screen->mode.upper_margin + screen->mode.lower_margin +
1288 screen->mode.yres + screen->mode.vsync_len;
1290 screen->mode.left_margin + screen->mode.right_margin +
1291 screen->mode.xres + screen->mode.hsync_len;
1292 dev_drv->pixclock = div_u64(ft, x_total * y_total);
1293 dotclk = div_u64(1000000000000llu, dev_drv->pixclock);
1294 ret = clk_set_rate(lcdc_dev->dclk, dotclk);
1297 pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
1298 dev_drv->pixclock = lcdc_dev->pixclock = pixclock;
1299 fps = rk_fb_calc_fps(lcdc_dev->screen, pixclock);
1300 screen->ft = 1000 / fps; /*one frame time in ms */
1303 dev_info(dev_drv->dev, "%s:dclk:%lu,fps:%d\n", __func__,
1304 clk_get_rate(lcdc_dev->dclk), fps);
1309 static int rk3188_fb_win_remap(struct rk_lcdc_driver *dev_drv, u16 order)
1311 mutex_lock(&dev_drv->fb_win_id_mutex);
1312 if (order == FB_DEFAULT_ORDER)
1313 order = FB0_WIN0_FB1_WIN1_FB2_WIN2;
1314 dev_drv->fb2_win_id = order / 100;
1315 dev_drv->fb1_win_id = (order / 10) % 10;
1316 dev_drv->fb0_win_id = order % 10;
1317 mutex_unlock(&dev_drv->fb_win_id_mutex);
1322 static int rk3188_lcdc_get_win_id(struct rk_lcdc_driver *dev_drv,
1326 mutex_lock(&dev_drv->fb_win_id_mutex);
1327 if (!strcmp(id, "fb0") || !strcmp(id, "fb2"))
1328 win_id = dev_drv->fb0_win_id;
1329 else if (!strcmp(id, "fb1") || !strcmp(id, "fb3"))
1330 win_id = dev_drv->fb1_win_id;
1331 mutex_unlock(&dev_drv->fb_win_id_mutex);
1336 static int rk3188_set_dsp_lut(struct rk_lcdc_driver *dev_drv, int *lut)
1343 struct lcdc_device *lcdc_dev =
1344 container_of(dev_drv, struct lcdc_device, driver);
1345 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DSP_LUT_EN, v_DSP_LUT_EN(0));
1346 lcdc_cfg_done(lcdc_dev);
1348 if (dev_drv->cur_screen->dsp_lut) {
1349 for (i = 0; i < 256; i++) {
1350 v = dev_drv->cur_screen->dsp_lut[i] = lut[i];
1351 c = lcdc_dev->dsp_lut_addr_base + i;
1352 writel_relaxed(v, c);
1356 dev_err(dev_drv->dev, "no buffer to backup lut data!\n");
1359 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DSP_LUT_EN, v_DSP_LUT_EN(1));
1360 lcdc_cfg_done(lcdc_dev);
1365 static int rk3188_lcdc_dpi_open(struct rk_lcdc_driver *dev_drv, bool open)
1367 struct lcdc_device *lcdc_dev =
1368 container_of(dev_drv, struct lcdc_device, driver);
1369 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DIRECT_PATCH_EN,
1370 v_DIRECT_PATCH_EN(open));
1371 lcdc_cfg_done(lcdc_dev);
1375 static int rk3188_lcdc_dpi_win_sel(struct rk_lcdc_driver *dev_drv, int win_id)
1377 struct lcdc_device *lcdc_dev = container_of(dev_drv,
1378 struct lcdc_device, driver);
1379 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DIRECT_PATH_LAY_SEL,
1380 v_DIRECT_PATH_LAY_SEL(win_id));
1381 lcdc_cfg_done(lcdc_dev);
1386 static int rk3188_lcdc_dpi_status(struct rk_lcdc_driver *dev_drv)
1388 struct lcdc_device *lcdc_dev =
1389 container_of(dev_drv, struct lcdc_device, driver);
1390 int ovl = lcdc_read_bit(lcdc_dev, SYS_CTRL, m_DIRECT_PATCH_EN);
1394 int rk3188_lcdc_poll_vblank(struct rk_lcdc_driver *dev_drv)
1396 struct lcdc_device *lcdc_dev =
1397 container_of(dev_drv, struct lcdc_device, driver);
1401 if (lcdc_dev->clk_on) {
1402 int_reg = lcdc_readl(lcdc_dev, INT_STATUS);
1403 if (int_reg & m_LF_INT_STA) {
1404 lcdc_msk_reg(lcdc_dev, INT_STATUS, m_LF_INT_CLEAR,
1406 ret = RK_LF_STATUS_FC;
1408 ret = RK_LF_STATUS_FR;
1410 ret = RK_LF_STATUS_NC;
1417 static int rk3188_lcdc_get_dsp_addr(struct rk_lcdc_driver *dev_drv,unsigned int *dsp_addr)
1419 struct lcdc_device *lcdc_dev =
1420 container_of(dev_drv, struct lcdc_device, driver);
1422 if(lcdc_dev->clk_on){
1423 dsp_addr[0] = lcdc_readl(lcdc_dev, WIN0_YRGB_MST0);
1424 dsp_addr[1] = lcdc_readl(lcdc_dev, WIN1_MST);
1429 static int rk3188_lcdc_cfg_done(struct rk_lcdc_driver *dev_drv)
1431 struct lcdc_device *lcdc_dev = container_of(dev_drv,
1432 struct lcdc_device, driver);
1433 spin_lock(&lcdc_dev->reg_lock);
1434 if (lcdc_dev->clk_on)
1435 lcdc_cfg_done(lcdc_dev);
1436 spin_unlock(&lcdc_dev->reg_lock);
1441 static struct rk_lcdc_win lcdc_win[] = {
1450 .support_3d = false,
1454 static struct rk_lcdc_drv_ops lcdc_drv_ops = {
1455 .open = rk3188_lcdc_open,
1456 .load_screen = rk3188_load_screen,
1457 .set_par = rk3188_lcdc_set_par,
1458 .pan_display = rk3188_lcdc_pan_display,
1459 .blank = rk3188_lcdc_blank,
1460 .ioctl = rk3188_lcdc_ioctl,
1461 .get_win_state = rk3188_lcdc_get_win_state,
1462 .ovl_mgr = rk3188_lcdc_ovl_mgr,
1463 .get_disp_info = rk3188_lcdc_get_disp_info,
1464 .fps_mgr = rk3188_lcdc_fps_mgr,
1465 .fb_get_win_id = rk3188_lcdc_get_win_id,
1466 .fb_win_remap = rk3188_fb_win_remap,
1467 .set_dsp_lut = rk3188_set_dsp_lut,
1468 .poll_vblank = rk3188_lcdc_poll_vblank,
1469 .dpi_open = rk3188_lcdc_dpi_open,
1470 .dpi_win_sel = rk3188_lcdc_dpi_win_sel,
1471 .dpi_status = rk3188_lcdc_dpi_status,
1472 .get_dsp_addr = rk3188_lcdc_get_dsp_addr,
1473 .cfg_done = rk3188_lcdc_cfg_done,
1474 .dump_reg = rk3188_lcdc_reg_dump,
1477 static irqreturn_t rk3188_lcdc_isr(int irq, void *dev_id)
1479 struct lcdc_device *lcdc_dev =
1480 (struct lcdc_device *)dev_id;
1481 ktime_t timestamp = ktime_get();
1482 u32 int_reg = lcdc_readl(lcdc_dev, INT_STATUS);
1484 if (int_reg & m_FS_INT_STA) {
1485 timestamp = ktime_get();
1486 lcdc_msk_reg(lcdc_dev, INT_STATUS, m_FS_INT_CLEAR,
1488 //if (lcdc_dev->driver.wait_fs) {
1490 spin_lock(&(lcdc_dev->driver.cpl_lock));
1491 complete(&(lcdc_dev->driver.frame_done));
1492 spin_unlock(&(lcdc_dev->driver.cpl_lock));
1494 lcdc_dev->driver.vsync_info.timestamp = timestamp;
1495 wake_up_interruptible_all(&lcdc_dev->driver.vsync_info.wait);
1497 } else if (int_reg & m_LF_INT_STA) {
1498 lcdc_msk_reg(lcdc_dev, INT_STATUS, m_LF_INT_CLEAR,
1504 #if defined(CONFIG_PM)
1505 static int rk3188_lcdc_suspend(struct platform_device *pdev, pm_message_t state)
1510 static int rk3188_lcdc_resume(struct platform_device *pdev)
1515 #define rk3188_lcdc_suspend NULL
1516 #define rk3188_lcdc_resume NULL
1519 static int rk3188_lcdc_parse_dt(struct lcdc_device *lcdc_dev)
1521 struct device_node *np = lcdc_dev->dev->of_node;
1523 if (of_property_read_u32(np, "rockchip,prop", &val))
1524 lcdc_dev->prop = PRMRY; /*default set it as primary */
1526 lcdc_dev->prop = val;
1528 if (of_property_read_u32(np, "rockchip,pwr18", &val))
1529 lcdc_dev->pwr18 = false; /*default set it as 3.xv power supply */
1531 lcdc_dev->pwr18 = (val ? true : false);
1533 if (of_property_read_u32(np, "rockchip,fb-win-map", &val))
1534 lcdc_dev->driver.fb_win_map = FB_DEFAULT_ORDER;
1536 lcdc_dev->driver.fb_win_map = val;
1541 static int rk3188_lcdc_probe(struct platform_device *pdev)
1543 struct lcdc_device *lcdc_dev = NULL;
1544 struct rk_lcdc_driver *dev_drv;
1545 struct device *dev = &pdev->dev;
1546 struct resource *res;
1547 struct device_node *np = pdev->dev.of_node;
1551 /*if the primary lcdc has not registered ,the extend
1552 lcdc register later */
1553 of_property_read_u32(np, "rockchip,prop", &prop);
1554 if (prop == EXTEND) {
1555 if (!is_prmry_rk_lcdc_registered())
1556 return -EPROBE_DEFER;
1558 lcdc_dev = devm_kzalloc(dev,
1559 sizeof(struct lcdc_device), GFP_KERNEL);
1561 dev_err(&pdev->dev, "rk3188 lcdc device kmalloc fail!");
1564 platform_set_drvdata(pdev, lcdc_dev);
1565 lcdc_dev->dev = dev;
1566 rk3188_lcdc_parse_dt(lcdc_dev);
1567 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1568 lcdc_dev->reg_phy_base = res->start;
1569 lcdc_dev->len = resource_size(res);
1570 lcdc_dev->regs = devm_ioremap_resource(dev, res);
1571 if (IS_ERR(lcdc_dev->regs))
1572 return PTR_ERR(lcdc_dev->regs);
1574 lcdc_dev->regsbak = devm_kzalloc(dev, lcdc_dev->len, GFP_KERNEL);
1575 if (IS_ERR(lcdc_dev->regsbak))
1576 return PTR_ERR(lcdc_dev->regsbak);
1577 lcdc_dev->dsp_lut_addr_base = (lcdc_dev->regs + DSP_LUT_ADDR);
1578 lcdc_dev->id = rk3188_lcdc_get_id(lcdc_dev->reg_phy_base);
1579 if (lcdc_dev->id < 0) {
1580 dev_err(&pdev->dev, "no such lcdc device!\n");
1583 dev_set_name(lcdc_dev->dev, "lcdc%d", lcdc_dev->id);
1584 dev_drv = &lcdc_dev->driver;
1586 dev_drv->prop = prop;
1587 dev_drv->id = lcdc_dev->id;
1588 dev_drv->ops = &lcdc_drv_ops;
1589 dev_drv->lcdc_win_num = ARRAY_SIZE(lcdc_win);
1590 spin_lock_init(&lcdc_dev->reg_lock);
1592 lcdc_dev->irq = platform_get_irq(pdev, 0);
1593 if (lcdc_dev->irq < 0) {
1594 dev_err(&pdev->dev, "cannot find IRQ for lcdc%d\n",
1599 ret = devm_request_irq(dev, lcdc_dev->irq, rk3188_lcdc_isr,
1600 IRQF_DISABLED, dev_name(dev), lcdc_dev);
1602 dev_err(&pdev->dev, "cannot requeset irq %d - err %d\n",
1603 lcdc_dev->irq, ret);
1607 ret = rk_fb_register(dev_drv, lcdc_win, lcdc_dev->id);
1609 dev_err(dev, "register fb for lcdc%d failed!\n", lcdc_dev->id);
1612 lcdc_dev->screen = dev_drv->screen0;
1614 dev_info(dev, "lcdc%d probe ok\n", lcdc_dev->id);
1619 static int rk3188_lcdc_remove(struct platform_device *pdev)
1625 static void rk3188_lcdc_shutdown(struct platform_device *pdev)
1627 struct lcdc_device *lcdc_dev = platform_get_drvdata(pdev);
1629 rk3188_lcdc_deint(lcdc_dev);
1630 rk_disp_pwr_disable(&lcdc_dev->driver);
1633 #if defined(CONFIG_OF)
1634 static const struct of_device_id rk3188_lcdc_dt_ids[] = {
1635 {.compatible = "rockchip,rk3188-lcdc",},
1640 static struct platform_driver rk3188_lcdc_driver = {
1641 .probe = rk3188_lcdc_probe,
1642 .remove = rk3188_lcdc_remove,
1644 .name = "rk3188-lcdc",
1645 .owner = THIS_MODULE,
1646 .of_match_table = of_match_ptr(rk3188_lcdc_dt_ids),
1648 .suspend = rk3188_lcdc_suspend,
1649 .resume = rk3188_lcdc_resume,
1650 .shutdown = rk3188_lcdc_shutdown,
1653 static int __init rk3188_lcdc_module_init(void)
1655 return platform_driver_register(&rk3188_lcdc_driver);
1658 static void __exit rk3188_lcdc_module_exit(void)
1660 platform_driver_unregister(&rk3188_lcdc_driver);
1663 fs_initcall(rk3188_lcdc_module_init);
1664 module_exit(rk3188_lcdc_module_exit);