1 // SPDX-License-Identifier: GPL-2.0
74 #define AWG_DELAY_HD        (-9)
75 #define AWG_DELAY_ED        (-8)
76 #define AWG_DELAY_SD        (-7)
110  *@hsync: sample number falling and rising edge
111  *@vsync_line_top: vertical top field line number falling and rising edge
112  *@vsync_line_bot: vertical bottom field line number falling and rising edge
113  *@vsync_off_top: vertical top field sample number rising and falling edge
114  *@vsync_off_bot: vertical bottom field sample number rising and falling edge
156 	writel(1, vtg->regs + VTG_DRST_AUTOC);  in vtg_reset()
168 	u32 xstop = sti_vtg_get_pixel_number(*mode, mode->hdisplay - 1);  in vtg_set_output_window()
169 	u32 ystop = sti_vtg_get_line_number(*mode, mode->vdisplay - 1);  in vtg_set_output_window()
193 	clocksperline = mode->htotal;  in vtg_set_hsync_vsync_pos()
197 	stop = mode->hsync_end - mode->hsync_start;  in vtg_set_hsync_vsync_pos()
205 		start -= clocksperline;  in vtg_set_hsync_vsync_pos()
210 		stop -= clocksperline;  in vtg_set_hsync_vsync_pos()
212 	sync->hsync = (stop << 16) | start;  in vtg_set_hsync_vsync_pos()
218 		fallsync_top += mode->vsync_end - mode->vsync_start;  in vtg_set_hsync_vsync_pos()
223 		risesync_top = mode->vtotal;  in vtg_set_hsync_vsync_pos()
224 		fallsync_top = mode->vsync_end - mode->vsync_start;  in vtg_set_hsync_vsync_pos()
230 	sync->vsync_line_top = (fallsync_top << 16) | risesync_top;  in vtg_set_hsync_vsync_pos()
231 	sync->vsync_off_top = (fallsync_offs_top << 16) | risesync_offs_top;  in vtg_set_hsync_vsync_pos()
234 	sync->vsync_line_bot = sync->vsync_line_top;  in vtg_set_hsync_vsync_pos()
235 	sync->vsync_off_bot = sync->vsync_off_top;  in vtg_set_hsync_vsync_pos()
245 	/* Set the number of clock cycles per line */  in vtg_set_mode()
246 	writel(mode->htotal, vtg->regs + VTG_CLKLN);  in vtg_set_mode()
249 	writel(mode->vtotal * 2, vtg->regs + VTG_HLFLN);  in vtg_set_mode()
252 	vtg_set_output_window(vtg->regs, mode);  in vtg_set_mode()
255 	vtg_set_hsync_vsync_pos(&sync[VTG_SYNC_ID_HDMI - 1], HDMI_DELAY, mode);  in vtg_set_mode()
258 	vtg_set_hsync_vsync_pos(&sync[VTG_SYNC_ID_HDDCS - 1], 0, mode);  in vtg_set_mode()
261 	vtg_set_hsync_vsync_pos(&sync[VTG_SYNC_ID_HDF - 1], AWG_DELAY_HD, mode);  in vtg_set_mode()
264 	vtg_set_hsync_vsync_pos(&sync[VTG_SYNC_ID_DVO - 1], DVO_DELAY, mode);  in vtg_set_mode()
269 		       vtg->regs + vtg_regs_offs[i].h_hd);  in vtg_set_mode()
271 		       vtg->regs + vtg_regs_offs[i].top_v_vd);  in vtg_set_mode()
273 		       vtg->regs + vtg_regs_offs[i].bot_v_vd);  in vtg_set_mode()
275 		       vtg->regs + vtg_regs_offs[i].top_v_hd);  in vtg_set_mode()
277 		       vtg->regs + vtg_regs_offs[i].bot_v_hd);  in vtg_set_mode()
281 	writel(type, vtg->regs + VTG_MODE);  in vtg_set_mode()
287 	writel(0xFFFF, vtg->regs + VTG_HOST_ITS_BCLR);  in vtg_enable_irq()
288 	writel(0xFFFF, vtg->regs + VTG_HOST_ITM_BCLR);  in vtg_enable_irq()
289 	writel(VTG_IRQ_MASK, vtg->regs + VTG_HOST_ITM_BSET);  in vtg_enable_irq()
296 	vtg_set_mode(vtg, VTG_MODE_MASTER, vtg->sync_params, mode);  in sti_vtg_set_config()
317 	u32 start_line = mode.vtotal - mode.vsync_start + 1;  in sti_vtg_get_line_number()
337 	return mode.htotal - mode.hsync_start + x;  in sti_vtg_get_pixel_number()
343 	vtg->crtc = crtc;  in sti_vtg_register_client()
344 	return raw_notifier_chain_register(&vtg->notifier_list, nb);  in sti_vtg_register_client()
349 	return raw_notifier_chain_unregister(&vtg->notifier_list, nb);  in sti_vtg_unregister_client()
357 	event = (vtg->irq_status & VTG_IRQ_TOP) ?  in vtg_irq_thread()
360 	raw_notifier_call_chain(&vtg->notifier_list, event, vtg->crtc);  in vtg_irq_thread()
369 	vtg->irq_status = readl(vtg->regs + VTG_HOST_ITS);  in vtg_irq()
371 	writel(vtg->irq_status, vtg->regs + VTG_HOST_ITS_BCLR);  in vtg_irq()
374 	readl(vtg->regs + VTG_HOST_ITS);  in vtg_irq()
381 	struct device *dev = &pdev->dev;  in vtg_probe()
388 		return -ENOMEM;  in vtg_probe()
394 		return -ENOMEM;  in vtg_probe()
396 	vtg->regs = devm_ioremap(dev, res->start, resource_size(res));  in vtg_probe()
397 	if (!vtg->regs) {  in vtg_probe()
399 		return -ENOMEM;  in vtg_probe()
402 	vtg->irq = platform_get_irq(pdev, 0);  in vtg_probe()
403 	if (vtg->irq < 0) {  in vtg_probe()
405 		return vtg->irq;  in vtg_probe()
408 	RAW_INIT_NOTIFIER_HEAD(&vtg->notifier_list);  in vtg_probe()
410 	ret = devm_request_threaded_irq(dev, vtg->irq, vtg_irq,  in vtg_probe()
433 		.name = "sti-vtg",