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path: root/drivers/gpu/drm/meson/meson_vclk.c
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Diffstat (limited to 'drivers/gpu/drm/meson/meson_vclk.c')
-rw-r--r--drivers/gpu/drm/meson/meson_vclk.c78
1 files changed, 41 insertions, 37 deletions
diff --git a/drivers/gpu/drm/meson/meson_vclk.c b/drivers/gpu/drm/meson/meson_vclk.c
index 26732f038d19..ac491a781952 100644
--- a/drivers/gpu/drm/meson/meson_vclk.c
+++ b/drivers/gpu/drm/meson/meson_vclk.c
@@ -5,9 +5,10 @@
* Copyright (C) 2015 Amlogic, Inc. All rights reserved.
*/
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <drm/drmP.h>
+#include <linux/export.h>
+
+#include <drm/drm_print.h>
+
#include "meson_drv.h"
#include "meson_vclk.h"
@@ -96,6 +97,7 @@
#define HHI_VDAC_CNTL1 0x2F8 /* 0xbe offset in data sheet */
#define HHI_HDMI_PLL_CNTL 0x320 /* 0xc8 offset in data sheet */
+#define HHI_HDMI_PLL_CNTL_EN BIT(30)
#define HHI_HDMI_PLL_CNTL2 0x324 /* 0xc9 offset in data sheet */
#define HHI_HDMI_PLL_CNTL3 0x328 /* 0xca offset in data sheet */
#define HHI_HDMI_PLL_CNTL4 0x32C /* 0xcb offset in data sheet */
@@ -240,7 +242,7 @@ static void meson_venci_cvbs_clock_config(struct meson_drm *priv)
unsigned int val;
/* Setup PLL to output 1.485GHz */
- if (meson_vpu_is_compatible(priv, "amlogic,meson-gxbb-vpu")) {
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB)) {
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL, 0x5800023d);
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL2, 0x00404e00);
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL3, 0x0d5c5091);
@@ -252,8 +254,8 @@ static void meson_venci_cvbs_clock_config(struct meson_drm *priv)
/* Poll for lock bit */
regmap_read_poll_timeout(priv->hhi, HHI_HDMI_PLL_CNTL, val,
(val & HDMI_PLL_LOCK), 10, 0);
- } else if (meson_vpu_is_compatible(priv, "amlogic,meson-gxm-vpu") ||
- meson_vpu_is_compatible(priv, "amlogic,meson-gxl-vpu")) {
+ } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
+ meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL)) {
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL, 0x4000027b);
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL2, 0x800cb300);
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL3, 0xa6212844);
@@ -270,7 +272,7 @@ static void meson_venci_cvbs_clock_config(struct meson_drm *priv)
/* Poll for lock bit */
regmap_read_poll_timeout(priv->hhi, HHI_HDMI_PLL_CNTL, val,
(val & HDMI_PLL_LOCK), 10, 0);
- } else if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu")) {
+ } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL, 0x1a0504f7);
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL2, 0x00010000);
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL3, 0x00000000);
@@ -298,7 +300,7 @@ static void meson_venci_cvbs_clock_config(struct meson_drm *priv)
VCLK2_DIV_MASK, (55 - 1));
/* select vid_pll for vclk2 */
- if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu"))
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
regmap_update_bits(priv->hhi, HHI_VIID_CLK_CNTL,
VCLK2_SEL_MASK, (0 << VCLK2_SEL_SHIFT));
else
@@ -453,7 +455,7 @@ void meson_hdmi_pll_set_params(struct meson_drm *priv, unsigned int m,
{
unsigned int val;
- if (meson_vpu_is_compatible(priv, "amlogic,meson-gxbb-vpu")) {
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB)) {
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL, 0x58000200 | m);
if (frac)
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL2,
@@ -468,13 +470,13 @@ void meson_hdmi_pll_set_params(struct meson_drm *priv, unsigned int m,
/* Enable and unreset */
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL,
- 0x7 << 28, 0x4 << 28);
+ 0x7 << 28, HHI_HDMI_PLL_CNTL_EN);
/* Poll for lock bit */
regmap_read_poll_timeout(priv->hhi, HHI_HDMI_PLL_CNTL,
val, (val & HDMI_PLL_LOCK), 10, 0);
- } else if (meson_vpu_is_compatible(priv, "amlogic,meson-gxm-vpu") ||
- meson_vpu_is_compatible(priv, "amlogic,meson-gxl-vpu")) {
+ } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
+ meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL)) {
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL, 0x40000200 | m);
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL2, 0x800cb000 | frac);
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL3, 0x860f30c4);
@@ -491,10 +493,11 @@ void meson_hdmi_pll_set_params(struct meson_drm *priv, unsigned int m,
/* Poll for lock bit */
regmap_read_poll_timeout(priv->hhi, HHI_HDMI_PLL_CNTL, val,
(val & HDMI_PLL_LOCK), 10, 0);
- } else if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu")) {
+ } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL, 0x0b3a0400 | m);
/* Enable and reset */
+ /* TODO: add specific macro for g12a here */
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL,
0x3 << 28, 0x3 << 28);
@@ -542,36 +545,36 @@ void meson_hdmi_pll_set_params(struct meson_drm *priv, unsigned int m,
} while(1);
}
- if (meson_vpu_is_compatible(priv, "amlogic,meson-gxbb-vpu"))
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB))
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL2,
3 << 16, pll_od_to_reg(od1) << 16);
- else if (meson_vpu_is_compatible(priv, "amlogic,meson-gxm-vpu") ||
- meson_vpu_is_compatible(priv, "amlogic,meson-gxl-vpu"))
+ else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
+ meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL))
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL3,
3 << 21, pll_od_to_reg(od1) << 21);
- else if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu"))
+ else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL,
3 << 16, pll_od_to_reg(od1) << 16);
- if (meson_vpu_is_compatible(priv, "amlogic,meson-gxbb-vpu"))
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB))
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL2,
3 << 22, pll_od_to_reg(od2) << 22);
- else if (meson_vpu_is_compatible(priv, "amlogic,meson-gxm-vpu") ||
- meson_vpu_is_compatible(priv, "amlogic,meson-gxl-vpu"))
+ else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
+ meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL))
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL3,
3 << 23, pll_od_to_reg(od2) << 23);
- else if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu"))
+ else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL,
3 << 18, pll_od_to_reg(od2) << 18);
- if (meson_vpu_is_compatible(priv, "amlogic,meson-gxbb-vpu"))
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB))
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL2,
3 << 18, pll_od_to_reg(od3) << 18);
- else if (meson_vpu_is_compatible(priv, "amlogic,meson-gxm-vpu") ||
- meson_vpu_is_compatible(priv, "amlogic,meson-gxl-vpu"))
+ else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
+ meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL))
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL3,
3 << 19, pll_od_to_reg(od3) << 19);
- else if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu"))
+ else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL,
3 << 20, pll_od_to_reg(od3) << 20);
}
@@ -582,7 +585,7 @@ static unsigned int meson_hdmi_pll_get_m(struct meson_drm *priv,
unsigned int pll_freq)
{
/* The GXBB PLL has a /2 pre-multiplier */
- if (meson_vpu_is_compatible(priv, "amlogic,meson-gxbb-vpu"))
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB))
pll_freq /= 2;
return pll_freq / XTAL_FREQ;
@@ -602,12 +605,12 @@ static unsigned int meson_hdmi_pll_get_frac(struct meson_drm *priv,
unsigned int frac;
/* The GXBB PLL has a /2 pre-multiplier and a larger FRAC width */
- if (meson_vpu_is_compatible(priv, "amlogic,meson-gxbb-vpu")) {
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB)) {
frac_max = HDMI_FRAC_MAX_GXBB;
parent_freq *= 2;
}
- if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu"))
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
frac_max = HDMI_FRAC_MAX_G12A;
/* We can have a perfect match !*/
@@ -628,15 +631,15 @@ static bool meson_hdmi_pll_validate_params(struct meson_drm *priv,
unsigned int m,
unsigned int frac)
{
- if (meson_vpu_is_compatible(priv, "amlogic,meson-gxbb-vpu")) {
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB)) {
/* Empiric supported min/max dividers */
if (m < 53 || m > 123)
return false;
if (frac >= HDMI_FRAC_MAX_GXBB)
return false;
- } else if (meson_vpu_is_compatible(priv, "amlogic,meson-gxm-vpu") ||
- meson_vpu_is_compatible(priv, "amlogic,meson-gxl-vpu") ||
- meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu")) {
+ } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
+ meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL) ||
+ meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
/* Empiric supported min/max dividers */
if (m < 106 || m > 247)
return false;
@@ -756,7 +759,7 @@ static void meson_vclk_set(struct meson_drm *priv, unsigned int pll_base_freq,
/* Set HDMI PLL rate */
if (!od1 && !od2 && !od3) {
meson_hdmi_pll_generic_set(priv, pll_base_freq);
- } else if (meson_vpu_is_compatible(priv, "amlogic,meson-gxbb-vpu")) {
+ } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB)) {
switch (pll_base_freq) {
case 2970000:
m = 0x3d;
@@ -773,8 +776,8 @@ static void meson_vclk_set(struct meson_drm *priv, unsigned int pll_base_freq,
}
meson_hdmi_pll_set_params(priv, m, frac, od1, od2, od3);
- } else if (meson_vpu_is_compatible(priv, "amlogic,meson-gxm-vpu") ||
- meson_vpu_is_compatible(priv, "amlogic,meson-gxl-vpu")) {
+ } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
+ meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL)) {
switch (pll_base_freq) {
case 2970000:
m = 0x7b;
@@ -791,7 +794,7 @@ static void meson_vclk_set(struct meson_drm *priv, unsigned int pll_base_freq,
}
meson_hdmi_pll_set_params(priv, m, frac, od1, od2, od3);
- } else if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu")) {
+ } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
switch (pll_base_freq) {
case 2970000:
m = 0x7b;
@@ -969,7 +972,8 @@ void meson_vclk_setup(struct meson_drm *priv, unsigned int target,
meson_venci_cvbs_clock_config(priv);
return;
} else if (target == MESON_VCLK_TARGET_DMT) {
- /* The DMT clock path is fixed after the PLL:
+ /*
+ * The DMT clock path is fixed after the PLL:
* - automatic PLL freq + OD management
* - vid_pll_div = VID_PLL_DIV_5
* - vclk_div = 2
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