Lines Matching refs:cec
61 static void mtk_cec_clear_bits(struct mtk_cec *cec, unsigned int offset, in mtk_cec_clear_bits() argument
64 void __iomem *reg = cec->regs + offset; in mtk_cec_clear_bits()
72 static void mtk_cec_set_bits(struct mtk_cec *cec, unsigned int offset, in mtk_cec_set_bits() argument
75 void __iomem *reg = cec->regs + offset; in mtk_cec_set_bits()
83 static void mtk_cec_mask(struct mtk_cec *cec, unsigned int offset, in mtk_cec_mask() argument
86 u32 tmp = readl(cec->regs + offset) & ~mask; in mtk_cec_mask()
89 writel(tmp, cec->regs + offset); in mtk_cec_mask()
96 struct mtk_cec *cec = dev_get_drvdata(dev); in mtk_cec_set_hpd_event() local
99 spin_lock_irqsave(&cec->lock, flags); in mtk_cec_set_hpd_event()
100 cec->hdmi_dev = hdmi_dev; in mtk_cec_set_hpd_event()
101 cec->hpd_event = hpd_event; in mtk_cec_set_hpd_event()
102 spin_unlock_irqrestore(&cec->lock, flags); in mtk_cec_set_hpd_event()
108 struct mtk_cec *cec = dev_get_drvdata(dev); in mtk_cec_hpd_high() local
111 status = readl(cec->regs + RX_EVENT); in mtk_cec_hpd_high()
117 static void mtk_cec_htplg_irq_init(struct mtk_cec *cec) in mtk_cec_htplg_irq_init() argument
119 mtk_cec_mask(cec, CEC_CKGEN, 0 | CEC_32K_PDN, PDN | CEC_32K_PDN); in mtk_cec_htplg_irq_init()
120 mtk_cec_set_bits(cec, RX_GEN_WD, HDMI_PORD_INT_32K_CLR | in mtk_cec_htplg_irq_init()
122 mtk_cec_mask(cec, RX_GEN_WD, 0, HDMI_PORD_INT_32K_CLR | RX_INT_32K_CLR | in mtk_cec_htplg_irq_init()
127 static void mtk_cec_htplg_irq_enable(struct mtk_cec *cec) in mtk_cec_htplg_irq_enable() argument
129 mtk_cec_set_bits(cec, RX_EVENT, HDMI_PORD_INT_EN | HDMI_HTPLG_INT_EN); in mtk_cec_htplg_irq_enable()
132 static void mtk_cec_htplg_irq_disable(struct mtk_cec *cec) in mtk_cec_htplg_irq_disable() argument
134 mtk_cec_clear_bits(cec, RX_EVENT, HDMI_PORD_INT_EN | HDMI_HTPLG_INT_EN); in mtk_cec_htplg_irq_disable()
137 static void mtk_cec_clear_htplg_irq(struct mtk_cec *cec) in mtk_cec_clear_htplg_irq() argument
139 mtk_cec_set_bits(cec, TR_CONFIG, CLEAR_CEC_IRQ); in mtk_cec_clear_htplg_irq()
140 mtk_cec_set_bits(cec, NORMAL_INT_CTRL, HDMI_HTPLG_INT_CLR | in mtk_cec_clear_htplg_irq()
142 mtk_cec_set_bits(cec, RX_GEN_WD, HDMI_PORD_INT_32K_CLR | in mtk_cec_clear_htplg_irq()
145 mtk_cec_clear_bits(cec, NORMAL_INT_CTRL, HDMI_HTPLG_INT_CLR | in mtk_cec_clear_htplg_irq()
147 mtk_cec_clear_bits(cec, TR_CONFIG, CLEAR_CEC_IRQ); in mtk_cec_clear_htplg_irq()
148 mtk_cec_clear_bits(cec, RX_GEN_WD, HDMI_PORD_INT_32K_CLR | in mtk_cec_clear_htplg_irq()
152 static void mtk_cec_hpd_event(struct mtk_cec *cec, bool hpd) in mtk_cec_hpd_event() argument
158 spin_lock_irqsave(&cec->lock, flags); in mtk_cec_hpd_event()
159 hpd_event = cec->hpd_event; in mtk_cec_hpd_event()
160 hdmi_dev = cec->hdmi_dev; in mtk_cec_hpd_event()
161 spin_unlock_irqrestore(&cec->lock, flags); in mtk_cec_hpd_event()
170 struct mtk_cec *cec = dev_get_drvdata(dev); in mtk_cec_htplg_isr_thread() local
173 mtk_cec_clear_htplg_irq(cec); in mtk_cec_htplg_isr_thread()
176 if (cec->hpd != hpd) { in mtk_cec_htplg_isr_thread()
178 cec->hpd, hpd); in mtk_cec_htplg_isr_thread()
179 cec->hpd = hpd; in mtk_cec_htplg_isr_thread()
180 mtk_cec_hpd_event(cec, hpd); in mtk_cec_htplg_isr_thread()
188 struct mtk_cec *cec; in mtk_cec_probe() local
191 cec = devm_kzalloc(dev, sizeof(*cec), GFP_KERNEL); in mtk_cec_probe()
192 if (!cec) in mtk_cec_probe()
195 platform_set_drvdata(pdev, cec); in mtk_cec_probe()
196 spin_lock_init(&cec->lock); in mtk_cec_probe()
198 cec->regs = devm_platform_ioremap_resource(pdev, 0); in mtk_cec_probe()
199 if (IS_ERR(cec->regs)) in mtk_cec_probe()
200 return dev_err_probe(dev, PTR_ERR(cec->regs), in mtk_cec_probe()
203 cec->clk = devm_clk_get(dev, NULL); in mtk_cec_probe()
204 if (IS_ERR(cec->clk)) in mtk_cec_probe()
205 return dev_err_probe(dev, PTR_ERR(cec->clk), in mtk_cec_probe()
208 cec->irq = platform_get_irq(pdev, 0); in mtk_cec_probe()
209 if (cec->irq < 0) in mtk_cec_probe()
210 return cec->irq; in mtk_cec_probe()
212 ret = devm_request_threaded_irq(dev, cec->irq, NULL, in mtk_cec_probe()
219 ret = clk_prepare_enable(cec->clk); in mtk_cec_probe()
223 mtk_cec_htplg_irq_init(cec); in mtk_cec_probe()
224 mtk_cec_htplg_irq_enable(cec); in mtk_cec_probe()
231 struct mtk_cec *cec = platform_get_drvdata(pdev); in mtk_cec_remove() local
233 mtk_cec_htplg_irq_disable(cec); in mtk_cec_remove()
234 clk_disable_unprepare(cec->clk); in mtk_cec_remove()