102 lines
3.5 KiB
Diff
102 lines
3.5 KiB
Diff
From 9a9f4303c95f18cc062569c9c5d5240d06ddd69b Mon Sep 17 00:00:00 2001
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From: Dom Cobley <popcornmix@gmail.com>
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Date: Thu, 7 May 2020 18:16:08 +0100
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Subject: [PATCH] vc4_hdmi_regs: Make interrupt mask variant specific
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Signed-off-by: Dom Cobley <popcornmix@gmail.com>
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---
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drivers/gpu/drm/vc4/vc4_hdmi.c | 14 ++++++++++----
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drivers/gpu/drm/vc4/vc4_hdmi.h | 3 +++
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drivers/gpu/drm/vc4/vc4_regs.h | 9 +++++++++
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3 files changed, 22 insertions(+), 4 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
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@@ -1286,7 +1286,7 @@ static irqreturn_t vc4_cec_irq_handler(i
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u32 stat = HDMI_READ(HDMI_CEC_CPU_STATUS);
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u32 cntrl1, cntrl5;
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- if (!(stat & VC4_HDMI_CPU_CEC))
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+ if (!(stat & vc4_hdmi->variant->cec_mask))
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return IRQ_NONE;
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vc4_hdmi->cec_rx_msg.len = 0;
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cntrl1 = HDMI_READ(HDMI_CEC_CNTRL_1);
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@@ -1302,7 +1302,7 @@ static irqreturn_t vc4_cec_irq_handler(i
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cntrl1 &= ~VC4_HDMI_CEC_START_XMIT_BEGIN;
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}
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HDMI_WRITE(HDMI_CEC_CNTRL_1, cntrl1);
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- HDMI_WRITE(HDMI_CEC_CPU_CLEAR, VC4_HDMI_CPU_CEC);
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+ HDMI_WRITE(HDMI_CEC_CPU_CLEAR, vc4_hdmi->variant->cec_mask);
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return IRQ_WAKE_THREAD;
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}
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@@ -1341,9 +1341,9 @@ static int vc4_hdmi_cec_adap_enable(stru
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((3600 / usecs) << VC4_HDMI_CEC_CNT_TO_3600_US_SHIFT) |
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((3500 / usecs) << VC4_HDMI_CEC_CNT_TO_3500_US_SHIFT));
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- HDMI_WRITE(HDMI_CEC_CPU_MASK_CLEAR, VC4_HDMI_CPU_CEC);
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+ HDMI_WRITE(HDMI_CEC_CPU_MASK_CLEAR, vc4_hdmi->variant->cec_mask);
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} else {
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- HDMI_WRITE(HDMI_CEC_CPU_MASK_SET, VC4_HDMI_CPU_CEC);
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+ HDMI_WRITE(HDMI_CEC_CPU_MASK_SET, vc4_hdmi->variant->cec_mask);
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HDMI_WRITE(HDMI_CEC_CNTRL_5, val |
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VC4_HDMI_CEC_TX_SW_RESET | VC4_HDMI_CEC_RX_SW_RESET);
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}
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@@ -1785,6 +1785,8 @@ static const struct vc4_hdmi_variant bcm
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.get_hsm_clock = vc4_hdmi_get_hsm_clock,
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.calc_hsm_clock = vc4_hdmi_calc_hsm_clock,
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.channel_map = vc4_hdmi_channel_map,
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+
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+ .cec_mask = VC4_HDMI_CPU_CEC,
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};
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static const struct vc4_hdmi_variant bcm2711_hdmi0_variant = {
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@@ -1810,6 +1812,8 @@ static const struct vc4_hdmi_variant bcm
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.get_hsm_clock = vc5_hdmi_get_hsm_clock,
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.calc_hsm_clock = vc5_hdmi_calc_hsm_clock,
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.channel_map = vc5_hdmi_channel_map,
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+
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+ .cec_mask = VC5_HDMI0_CPU_CEC_RX | VC5_HDMI0_CPU_CEC_TX,
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};
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static const struct vc4_hdmi_variant bcm2711_hdmi1_variant = {
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@@ -1835,6 +1839,8 @@ static const struct vc4_hdmi_variant bcm
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.get_hsm_clock = vc5_hdmi_get_hsm_clock,
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.calc_hsm_clock = vc5_hdmi_calc_hsm_clock,
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.channel_map = vc5_hdmi_channel_map,
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+
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+ .cec_mask = VC5_HDMI1_CPU_CEC_RX | VC5_HDMI1_CPU_CEC_TX,
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};
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static const struct of_device_id vc4_hdmi_dt_match[] = {
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
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@@ -97,6 +97,9 @@ struct vc4_hdmi_variant {
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/* Callback to get channel map */
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u32 (*channel_map)(struct vc4_hdmi *vc4_hdmi, u32 channel_mask);
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+
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+ /* Bitmask for CEC events */
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+ u32 cec_mask;
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};
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/* HDMI audio information */
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--- a/drivers/gpu/drm/vc4/vc4_regs.h
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+++ b/drivers/gpu/drm/vc4/vc4_regs.h
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@@ -668,6 +668,15 @@
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# define VC4_HDMI_CPU_CEC BIT(6)
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# define VC4_HDMI_CPU_HOTPLUG BIT(0)
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+# define VC5_HDMI0_CPU_CEC_RX BIT(1)
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+# define VC5_HDMI0_CPU_CEC_TX BIT(0)
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+# define VC5_HDMI0_CPU_HOTPLUG_CONN BIT(4)
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+# define VC5_HDMI0_CPU_HOTPLUG_REM BIT(5)
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+# define VC5_HDMI1_CPU_CEC_RX BIT(7)
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+# define VC5_HDMI1_CPU_CEC_TX BIT(6)
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+# define VC5_HDMI1_CPU_HOTPLUG_CONN BIT(10)
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+# define VC5_HDMI1_CPU_HOTPLUG_REM BIT(11)
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+
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/* Debug: Current receive value on the CEC pad. */
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# define VC4_HD_CECRXD BIT(9)
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/* Debug: Override CEC output to 0. */
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