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From: Thomas Zimmermann <tzimmermann@suse.de>
To: airlied@redhat.com, daniel@ffwll.ch, kraxel@redhat.com,
	noralf@tronnes.org, sam@ravnborg.org, john.p.donnelly@oracle.com
Cc: Thomas Zimmermann <tzimmermann@suse.de>, dri-devel@lists.freedesktop.org
Subject: [PATCH 14/17] drm/mgag200: Move register initialization into separate function
Date: Wed, 29 Apr 2020 16:32:35 +0200	[thread overview]
Message-ID: <20200429143238.10115-15-tzimmermann@suse.de> (raw)
In-Reply-To: <20200429143238.10115-1-tzimmermann@suse.de>

Registers are initialized with constants. This is now done in
mgag200_init_regs(), mgag200_set_dac_regs() and mgag200_set_pci_regs().
Later patches should move these calls from mode setting to device
initialization.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/mgag200/mgag200_mode.c | 262 ++++++++++++++-----------
 1 file changed, 148 insertions(+), 114 deletions(-)

diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index a04404c5aa769..ee1cbe5decd71 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -919,6 +919,153 @@ static int mga_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
 	return mga_crtc_do_set_base(mdev, fb, old_fb);
 }
 
+static void mgag200_set_pci_regs(struct mga_device *mdev)
+{
+	uint32_t option = 0, option2 = 0;
+	struct drm_device *dev = mdev->dev;
+
+	switch (mdev->type) {
+	case G200_SE_A:
+	case G200_SE_B:
+		if (mdev->has_sdram)
+			option = 0x40049120;
+		else
+			option = 0x4004d120;
+		option2 = 0x00008000;
+		break;
+	case G200_WB:
+	case G200_EW3:
+		option = 0x41049120;
+		option2 = 0x0000b000;
+		break;
+	case G200_EV:
+		option = 0x00000120;
+		option2 = 0x0000b000;
+		break;
+	case G200_EH:
+	case G200_EH3:
+		option = 0x00000120;
+		option2 = 0x0000b000;
+		break;
+	case G200_ER:
+		break;
+	}
+
+	if (option)
+		pci_write_config_dword(dev->pdev, PCI_MGA_OPTION, option);
+
+	if (option2)
+		pci_write_config_dword(dev->pdev, PCI_MGA_OPTION2, option2);
+}
+
+static void mgag200_set_dac_regs(struct mga_device *mdev)
+{
+	size_t i;
+	uint8_t dacvalue[] = {
+		/* 0x00: */        0,    0,    0,    0,    0,    0, 0x00,    0,
+		/* 0x08: */        0,    0,    0,    0,    0,    0,    0,    0,
+		/* 0x10: */        0,    0,    0,    0,    0,    0,    0,    0,
+		/* 0x18: */     0x00,    0, 0xC9, 0xFF, 0xBF, 0x20, 0x1F, 0x20,
+		/* 0x20: */     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		/* 0x28: */     0x00, 0x00, 0x00, 0x00,    0,    0,    0, 0x40,
+		/* 0x30: */     0x00, 0xB0, 0x00, 0xC2, 0x34, 0x14, 0x02, 0x83,
+		/* 0x38: */     0x00, 0x93, 0x00, 0x77, 0x00, 0x00, 0x00, 0x3A,
+		/* 0x40: */        0,    0,    0,    0,    0,    0,    0,    0,
+		/* 0x48: */        0,    0,    0,    0,    0,    0,    0,    0
+	};
+
+	switch (mdev->type) {
+	case G200_SE_A:
+	case G200_SE_B:
+		dacvalue[MGA1064_VREF_CTL] = 0x03;
+		dacvalue[MGA1064_PIX_CLK_CTL] = MGA1064_PIX_CLK_CTL_SEL_PLL;
+		dacvalue[MGA1064_MISC_CTL] = MGA1064_MISC_CTL_DAC_EN |
+					     MGA1064_MISC_CTL_VGA8 |
+					     MGA1064_MISC_CTL_DAC_RAM_CS;
+		break;
+	case G200_WB:
+	case G200_EW3:
+		dacvalue[MGA1064_VREF_CTL] = 0x07;
+		break;
+	case G200_EV:
+		dacvalue[MGA1064_PIX_CLK_CTL] = MGA1064_PIX_CLK_CTL_SEL_PLL;
+		dacvalue[MGA1064_MISC_CTL] = MGA1064_MISC_CTL_VGA8 |
+					     MGA1064_MISC_CTL_DAC_RAM_CS;
+		break;
+	case G200_EH:
+	case G200_EH3:
+		dacvalue[MGA1064_MISC_CTL] = MGA1064_MISC_CTL_VGA8 |
+					     MGA1064_MISC_CTL_DAC_RAM_CS;
+		break;
+	case G200_ER:
+		break;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(dacvalue); i++) {
+		if ((i <= 0x17) ||
+		    (i == 0x1b) ||
+		    (i == 0x1c) ||
+		    ((i >= 0x1f) && (i <= 0x29)) ||
+		    ((i >= 0x30) && (i <= 0x37)))
+			continue;
+		if (IS_G200_SE(mdev) &&
+		    ((i == 0x2c) || (i == 0x2d) || (i == 0x2e)))
+			continue;
+		if ((mdev->type == G200_EV ||
+		    mdev->type == G200_WB ||
+		    mdev->type == G200_EH ||
+		    mdev->type == G200_EW3 ||
+		    mdev->type == G200_EH3) &&
+		    (i >= 0x44) && (i <= 0x4e))
+			continue;
+
+		WREG_DAC(i, dacvalue[i]);
+	}
+
+	if (mdev->type == G200_ER)
+		WREG_DAC(0x90, 0);
+}
+
+static void mgag200_init_regs(struct mga_device *mdev)
+{
+	uint8_t crtcext3, crtcext4;
+	uint8_t misc;
+
+	mgag200_set_pci_regs(mdev);
+	mgag200_set_dac_regs(mdev);
+
+	WREG_SEQ(2, 0x0f);
+	WREG_SEQ(3, 0x00);
+	WREG_SEQ(4, 0x0e);
+
+	WREG_CRT(10, 0);
+	WREG_CRT(11, 0);
+	WREG_CRT(12, 0);
+	WREG_CRT(13, 0);
+	WREG_CRT(14, 0);
+	WREG_CRT(15, 0);
+
+	RREG_ECRT(0x03, crtcext3);
+
+	crtcext3 |= BIT(7); /* enable MGA mode */
+	crtcext4 = 0x00;
+
+	WREG_ECRT(0x03, crtcext3);
+	WREG_ECRT(0x04, crtcext4);
+
+	if (mdev->type == G200_ER)
+		WREG_ECRT(0x24, 0x5);
+
+	if (mdev->type == G200_EW3)
+		WREG_ECRT(0x34, 0x5);
+
+	misc = RREG8(MGA_MISC_IN);
+	misc |= MGAREG_MISC_IOADSEL |
+		MGAREG_MISC_RAMMAPEN |
+		MGAREG_MISC_HIGH_PG_SEL;
+	WREG8(MGA_MISC_OUT, misc);
+}
+
 static void mgag200_set_mode_regs(struct mga_device *mdev,
 				  const struct drm_display_mode *mode)
 {
@@ -1176,121 +1323,8 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
 	struct drm_device *dev = crtc->dev;
 	struct mga_device *mdev = dev->dev_private;
 	const struct drm_framebuffer *fb = crtc->primary->fb;
-	int option = 0, option2 = 0;
-	int i;
-	unsigned char misc = 0;
-	uint8_t crtcext3, crtcext4;
 
-	static unsigned char dacvalue[] = {
-		/* 0x00: */        0,    0,    0,    0,    0,    0, 0x00,    0,
-		/* 0x08: */        0,    0,    0,    0,    0,    0,    0,    0,
-		/* 0x10: */        0,    0,    0,    0,    0,    0,    0,    0,
-		/* 0x18: */     0x00,    0, 0xC9, 0xFF, 0xBF, 0x20, 0x1F, 0x20,
-		/* 0x20: */     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		/* 0x28: */     0x00, 0x00, 0x00, 0x00,    0,    0,    0, 0x40,
-		/* 0x30: */     0x00, 0xB0, 0x00, 0xC2, 0x34, 0x14, 0x02, 0x83,
-		/* 0x38: */     0x00, 0x93, 0x00, 0x77, 0x00, 0x00, 0x00, 0x3A,
-		/* 0x40: */        0,    0,    0,    0,    0,    0,    0,    0,
-		/* 0x48: */        0,    0,    0,    0,    0,    0,    0,    0
-	};
-
-	switch (mdev->type) {
-	case G200_SE_A:
-	case G200_SE_B:
-		dacvalue[MGA1064_VREF_CTL] = 0x03;
-		dacvalue[MGA1064_PIX_CLK_CTL] = MGA1064_PIX_CLK_CTL_SEL_PLL;
-		dacvalue[MGA1064_MISC_CTL] = MGA1064_MISC_CTL_DAC_EN |
-					     MGA1064_MISC_CTL_VGA8 |
-					     MGA1064_MISC_CTL_DAC_RAM_CS;
-		if (mdev->has_sdram)
-			option = 0x40049120;
-		else
-			option = 0x4004d120;
-		option2 = 0x00008000;
-		break;
-	case G200_WB:
-	case G200_EW3:
-		dacvalue[MGA1064_VREF_CTL] = 0x07;
-		option = 0x41049120;
-		option2 = 0x0000b000;
-		break;
-	case G200_EV:
-		dacvalue[MGA1064_PIX_CLK_CTL] = MGA1064_PIX_CLK_CTL_SEL_PLL;
-		dacvalue[MGA1064_MISC_CTL] = MGA1064_MISC_CTL_VGA8 |
-					     MGA1064_MISC_CTL_DAC_RAM_CS;
-		option = 0x00000120;
-		option2 = 0x0000b000;
-		break;
-	case G200_EH:
-	case G200_EH3:
-		dacvalue[MGA1064_MISC_CTL] = MGA1064_MISC_CTL_VGA8 |
-					     MGA1064_MISC_CTL_DAC_RAM_CS;
-		option = 0x00000120;
-		option2 = 0x0000b000;
-		break;
-	case G200_ER:
-		break;
-	}
-
-	for (i = 0; i < sizeof(dacvalue); i++) {
-		if ((i <= 0x17) ||
-		    (i == 0x1b) ||
-		    (i == 0x1c) ||
-		    ((i >= 0x1f) && (i <= 0x29)) ||
-		    ((i >= 0x30) && (i <= 0x37)))
-			continue;
-		if (IS_G200_SE(mdev) &&
-		    ((i == 0x2c) || (i == 0x2d) || (i == 0x2e)))
-			continue;
-		if ((mdev->type == G200_EV ||
-		    mdev->type == G200_WB ||
-		    mdev->type == G200_EH ||
-		    mdev->type == G200_EW3 ||
-		    mdev->type == G200_EH3) &&
-		    (i >= 0x44) && (i <= 0x4e))
-			continue;
-
-		WREG_DAC(i, dacvalue[i]);
-	}
-
-	if (mdev->type == G200_ER)
-		WREG_DAC(0x90, 0);
-
-	if (option)
-		pci_write_config_dword(dev->pdev, PCI_MGA_OPTION, option);
-	if (option2)
-		pci_write_config_dword(dev->pdev, PCI_MGA_OPTION2, option2);
-
-	WREG_SEQ(2, 0xf);
-	WREG_SEQ(3, 0);
-	WREG_SEQ(4, 0xe);
-
-	WREG_CRT(10, 0);
-	WREG_CRT(11, 0);
-	WREG_CRT(12, 0);
-	WREG_CRT(13, 0);
-	WREG_CRT(14, 0);
-	WREG_CRT(15, 0);
-
-	RREG_ECRT(0x03, crtcext3);
-
-	crtcext3 |= BIT(7); /* enable MGA mode */
-	crtcext4 = 0x00;
-
-	WREG_ECRT(0x03, crtcext3);
-	WREG_ECRT(0x04, crtcext4);
-
-	if (mdev->type == G200_ER)
-		WREG_ECRT(0x24, 0x5);
-
-	if (mdev->type == G200_EW3)
-		WREG_ECRT(0x34, 0x5);
-
-	misc = RREG8(MGA_MISC_IN);
-	misc |= MGAREG_MISC_IOADSEL |
-		MGAREG_MISC_RAMMAPEN |
-		MGAREG_MISC_HIGH_PG_SEL;
-	WREG8(MGA_MISC_OUT, misc);
+	mgag200_init_regs(mdev);
 
 	mgag200_set_format_regs(mdev, fb);
 	mga_crtc_do_set_base(mdev, fb, old_fb);
-- 
2.26.0

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dri-devel@lists.freedesktop.org
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  parent reply	other threads:[~2020-04-29 14:33 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-29 14:32 [PATCH 00/17] drm/mgag200: Convert to atomic modesetting Thomas Zimmermann
2020-04-29 14:32 ` [PATCH 01/17] drm/mgag200: Remove HW cursor Thomas Zimmermann
2020-04-29 17:51   ` Sam Ravnborg
2020-04-30  7:03     ` Gerd Hoffmann
2020-04-30  8:10     ` Thomas Zimmermann
2020-04-30  9:19       ` Sam Ravnborg
2020-04-29 14:32 ` [PATCH 02/17] drm/mgag200: Remove unused fields from struct mga_device Thomas Zimmermann
2020-04-29 17:49   ` Sam Ravnborg
2020-04-29 14:32 ` [PATCH 03/17] drm/mgag200: Embed connector instance in " Thomas Zimmermann
2020-04-29 15:24   ` Ruhl, Michael J
2020-04-29 17:49   ` Sam Ravnborg
2020-04-29 14:32 ` [PATCH 04/17] drm/mgag200: Use managed mode-config initialization Thomas Zimmermann
2020-04-29 17:55   ` Sam Ravnborg
2020-04-29 14:32 ` [PATCH 05/17] drm/mgag200: Clean up mga_set_start_address() Thomas Zimmermann
2020-04-29 18:20   ` Sam Ravnborg
2020-04-30  8:23     ` Thomas Zimmermann
2020-05-11 12:41       ` Thomas Zimmermann
2020-04-29 14:32 ` [PATCH 06/17] drm/mgag200: Clean up mga_crtc_do_set_base() Thomas Zimmermann
2020-04-29 18:23   ` Sam Ravnborg
2020-04-29 14:32 ` [PATCH 07/17] drm/mgag200: Move mode-setting code into separate helper function Thomas Zimmermann
2020-04-29 18:24   ` Sam Ravnborg
2020-04-30  8:27     ` Thomas Zimmermann
2020-04-29 14:32 ` [PATCH 08/17] drm/mgag200: Split MISC register update into PLL selection, SYNC and I/O Thomas Zimmermann
2020-05-03 15:34   ` Sam Ravnborg
2020-05-04 13:03     ` Thomas Zimmermann
2020-05-04 14:25       ` Sam Ravnborg
2020-04-29 14:32 ` [PATCH 09/17] drm/mgag200: Update mode registers after plane registers Thomas Zimmermann
2020-05-03 15:34   ` Sam Ravnborg
2020-04-29 14:32 ` [PATCH 10/17] drm/mgag200: Set pitch in a separate helper function Thomas Zimmermann
2020-05-03 15:42   ` Sam Ravnborg
2020-05-04 13:10     ` Thomas Zimmermann
2020-04-29 14:32 ` [PATCH 11/17] drm/mgag200: Set primary plane's format in " Thomas Zimmermann
2020-04-29 14:32 ` [PATCH 12/17] drm/mgag200: Move TAGFIFO reset into separate function Thomas Zimmermann
2020-05-03 16:25   ` Sam Ravnborg
2020-05-04 13:11     ` Thomas Zimmermann
2020-05-04 14:29       ` Sam Ravnborg
2020-04-29 14:32 ` [PATCH 13/17] drm/mgag200: Move hiprilvl setting into separate functions Thomas Zimmermann
2020-05-03 17:23   ` Sam Ravnborg
2020-04-29 14:32 ` Thomas Zimmermann [this message]
2020-05-03 17:25   ` [PATCH 14/17] drm/mgag200: Move register initialization into separate function Sam Ravnborg
2020-04-29 14:32 ` [PATCH 15/17] drm/mgag200: Remove waiting from DPMS code Thomas Zimmermann
2020-05-04 12:10   ` Daniel Vetter
2020-05-04 12:40     ` Thomas Zimmermann
2020-04-29 14:32 ` [PATCH 16/17] drm/mgag200: Convert to simple KMS helper Thomas Zimmermann
2020-05-03 17:36   ` Sam Ravnborg
2020-04-29 14:32 ` [PATCH 17/17] drm/mgag200: Replace VRAM helpers with SHMEM helpers Thomas Zimmermann
2020-05-04 12:29   ` Emil Velikov
2020-05-04 12:45     ` Thomas Zimmermann
2020-04-30  0:11 ` [PATCH 00/17] drm/mgag200: Convert to atomic modesetting John Donnelly
2020-04-30  8:29   ` Thomas Zimmermann
2020-04-30 12:09     ` John Donnelly
2020-05-04 13:39   ` Thomas Zimmermann
2020-05-04 20:39     ` John Donnelly
2020-05-05 12:20     ` John Donnelly
2020-05-06  7:29       ` Thomas Zimmermann

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