On 27/02/2020 19:08, Enric Balletbo i Serra wrote:
Provide a mtk_mmsys_ddp_connect() and mtk_mmsys_disconnect() functions to replace mtk_ddp_add_comp_to_path() and mtk_ddp_remove_comp_from_path(). Those functions will allow DRM driver and others to control the data path routing.
Signed-off-by: Enric Balletbo i Serra enric.balletbo@collabora.com
Reviewed-by: Matthias Brugger matthias.bgg@gmail.com
Changes in v10:
- Introduced a new patch to move routing control into mmsys driver.
- Removed the patch to use regmap as is not needed anymore.
Changes in v9: None Changes in v8: None Changes in v7: None
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 13 +- drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 256 ---------------------- drivers/gpu/drm/mediatek/mtk_drm_ddp.h | 7 - drivers/gpu/drm/mediatek/mtk_drm_drv.c | 13 +- drivers/soc/mediatek/mtk-mmsys.c | 275 ++++++++++++++++++++++++ include/linux/soc/mediatek/mtk-mmsys.h | 19 ++ 6 files changed, 306 insertions(+), 277 deletions(-) create mode 100644 include/linux/soc/mediatek/mtk-mmsys.h
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index fd4042de12f2..3c89449bea6e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -6,6 +6,7 @@ #include <linux/clk.h> #include <linux/pm_runtime.h> #include <linux/soc/mediatek/mtk-cmdq.h> +#include <linux/soc/mediatek/mtk-mmsys.h>
#include <asm/barrier.h> #include <soc/mediatek/smi.h> @@ -296,9 +297,9 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc) }
for (i = 0; i < mtk_crtc->ddp_comp_nr - 1; i++) {
mtk_ddp_add_comp_to_path(mtk_crtc->config_regs,
mtk_crtc->ddp_comp[i]->id,
mtk_crtc->ddp_comp[i + 1]->id);
mtk_mmsys_ddp_connect(mtk_crtc->config_regs,
mtk_crtc->ddp_comp[i]->id,
mtk_disp_mutex_add_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); }mtk_crtc->ddp_comp[i + 1]->id);
@@ -355,9 +356,9 @@ static void mtk_crtc_ddp_hw_fini(struct mtk_drm_crtc *mtk_crtc) mtk_crtc->ddp_comp[i]->id); mtk_disp_mutex_disable(mtk_crtc->mutex); for (i = 0; i < mtk_crtc->ddp_comp_nr - 1; i++) {
mtk_ddp_remove_comp_from_path(mtk_crtc->config_regs,
mtk_crtc->ddp_comp[i]->id,
mtk_crtc->ddp_comp[i + 1]->id);
mtk_mmsys_ddp_disconnect(mtk_crtc->config_regs,
mtk_crtc->ddp_comp[i]->id,
mtk_disp_mutex_remove_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); }mtk_crtc->ddp_comp[i + 1]->id);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c index b885f60f474c..014c1bbe1df2 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c @@ -13,26 +13,6 @@ #include "mtk_drm_ddp.h" #include "mtk_drm_ddp_comp.h"
-#define DISP_REG_CONFIG_DISP_OVL0_MOUT_EN 0x040 -#define DISP_REG_CONFIG_DISP_OVL1_MOUT_EN 0x044 -#define DISP_REG_CONFIG_DISP_OD_MOUT_EN 0x048 -#define DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN 0x04c -#define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN 0x050 -#define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN 0x084 -#define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN 0x088 -#define DISP_REG_CONFIG_DSIE_SEL_IN 0x0a4 -#define DISP_REG_CONFIG_DSIO_SEL_IN 0x0a8 -#define DISP_REG_CONFIG_DPI_SEL_IN 0x0ac -#define DISP_REG_CONFIG_DISP_RDMA2_SOUT 0x0b8 -#define DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN 0x0c4 -#define DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN 0x0c8 -#define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100
-#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030 -#define DISP_REG_CONFIG_OUT_SEL 0x04c -#define DISP_REG_CONFIG_DSI_SEL 0x050 -#define DISP_REG_CONFIG_DPI_SEL 0x064
#define MT2701_DISP_MUTEX0_MOD0 0x2c #define MT2701_DISP_MUTEX0_SOF0 0x30
@@ -94,48 +74,6 @@ #define MUTEX_SOF_DSI2 5 #define MUTEX_SOF_DSI3 6
-#define OVL0_MOUT_EN_COLOR0 0x1 -#define OD_MOUT_EN_RDMA0 0x1 -#define OD1_MOUT_EN_RDMA1 BIT(16) -#define UFOE_MOUT_EN_DSI0 0x1 -#define COLOR0_SEL_IN_OVL0 0x1 -#define OVL1_MOUT_EN_COLOR1 0x1 -#define GAMMA_MOUT_EN_RDMA1 0x1 -#define RDMA0_SOUT_DPI0 0x2 -#define RDMA0_SOUT_DPI1 0x3 -#define RDMA0_SOUT_DSI1 0x1 -#define RDMA0_SOUT_DSI2 0x4 -#define RDMA0_SOUT_DSI3 0x5 -#define RDMA1_SOUT_DPI0 0x2 -#define RDMA1_SOUT_DPI1 0x3 -#define RDMA1_SOUT_DSI1 0x1 -#define RDMA1_SOUT_DSI2 0x4 -#define RDMA1_SOUT_DSI3 0x5 -#define RDMA2_SOUT_DPI0 0x2 -#define RDMA2_SOUT_DPI1 0x3 -#define RDMA2_SOUT_DSI1 0x1 -#define RDMA2_SOUT_DSI2 0x4 -#define RDMA2_SOUT_DSI3 0x5 -#define DPI0_SEL_IN_RDMA1 0x1 -#define DPI0_SEL_IN_RDMA2 0x3 -#define DPI1_SEL_IN_RDMA1 (0x1 << 8) -#define DPI1_SEL_IN_RDMA2 (0x3 << 8) -#define DSI0_SEL_IN_RDMA1 0x1 -#define DSI0_SEL_IN_RDMA2 0x4 -#define DSI1_SEL_IN_RDMA1 0x1 -#define DSI1_SEL_IN_RDMA2 0x4 -#define DSI2_SEL_IN_RDMA1 (0x1 << 16) -#define DSI2_SEL_IN_RDMA2 (0x4 << 16) -#define DSI3_SEL_IN_RDMA1 (0x1 << 16) -#define DSI3_SEL_IN_RDMA2 (0x4 << 16) -#define COLOR1_SEL_IN_OVL1 0x1
-#define OVL_MOUT_EN_RDMA 0x1 -#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8 -#define BLS_TO_DPI_RDMA1_TO_DSI 0x2 -#define DSI_SEL_IN_BLS 0x0 -#define DPI_SEL_IN_BLS 0x0 -#define DSI_SEL_IN_RDMA 0x1
struct mtk_disp_mutex { int id; @@ -246,200 +184,6 @@ static const struct mtk_ddp_data mt8173_ddp_driver_data = { .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0, };
-static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next,
unsigned int *addr)
-{
- unsigned int value;
- if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
*addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN;
value = OVL0_MOUT_EN_COLOR0;
- } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) {
*addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN;
value = OVL_MOUT_EN_RDMA;
- } else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) {
*addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
value = OD_MOUT_EN_RDMA0;
- } else if (cur == DDP_COMPONENT_UFOE && next == DDP_COMPONENT_DSI0) {
*addr = DISP_REG_CONFIG_DISP_UFOE_MOUT_EN;
value = UFOE_MOUT_EN_DSI0;
- } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
*addr = DISP_REG_CONFIG_DISP_OVL1_MOUT_EN;
value = OVL1_MOUT_EN_COLOR1;
- } else if (cur == DDP_COMPONENT_GAMMA && next == DDP_COMPONENT_RDMA1) {
*addr = DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN;
value = GAMMA_MOUT_EN_RDMA1;
- } else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) {
*addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
value = OD1_MOUT_EN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DPI0;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DPI1;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DSI1;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DSI2;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DSI3;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
value = RDMA1_SOUT_DSI1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
value = RDMA1_SOUT_DSI2;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
value = RDMA1_SOUT_DSI3;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
value = RDMA1_SOUT_DPI0;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
value = RDMA1_SOUT_DPI1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
*addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
value = RDMA2_SOUT_DPI0;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
value = RDMA2_SOUT_DPI1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
value = RDMA2_SOUT_DSI1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
value = RDMA2_SOUT_DSI2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
*addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
value = RDMA2_SOUT_DSI3;
- } else {
value = 0;
- }
- return value;
-}
-static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next,
unsigned int *addr)
-{
- unsigned int value;
- if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
*addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN;
value = COLOR0_SEL_IN_OVL0;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
*addr = DISP_REG_CONFIG_DPI_SEL_IN;
value = DPI0_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DPI_SEL_IN;
value = DPI1_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
value = DSI0_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
*addr = DISP_REG_CONFIG_DSIO_SEL_IN;
value = DSI1_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
value = DSI2_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
*addr = DISP_REG_CONFIG_DSIO_SEL_IN;
value = DSI3_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
*addr = DISP_REG_CONFIG_DPI_SEL_IN;
value = DPI0_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DPI_SEL_IN;
value = DPI1_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI0) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
value = DSI0_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
*addr = DISP_REG_CONFIG_DSIO_SEL_IN;
value = DSI1_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
value = DSI2_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
value = DSI3_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
*addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
value = COLOR1_SEL_IN_OVL1;
- } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
*addr = DISP_REG_CONFIG_DSI_SEL;
value = DSI_SEL_IN_BLS;
- } else {
value = 0;
- }
- return value;
-}
-static void mtk_ddp_sout_sel(void __iomem *config_regs,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next)
-{
- if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1,
config_regs + DISP_REG_CONFIG_OUT_SEL);
- } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI,
config_regs + DISP_REG_CONFIG_OUT_SEL);
writel_relaxed(DSI_SEL_IN_RDMA,
config_regs + DISP_REG_CONFIG_DSI_SEL);
writel_relaxed(DPI_SEL_IN_BLS,
config_regs + DISP_REG_CONFIG_DPI_SEL);
- }
-}
-void mtk_ddp_add_comp_to_path(void __iomem *config_regs,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next)
-{
- unsigned int addr, value, reg;
- value = mtk_ddp_mout_en(cur, next, &addr);
- if (value) {
reg = readl_relaxed(config_regs + addr) | value;
writel_relaxed(reg, config_regs + addr);
- }
- mtk_ddp_sout_sel(config_regs, cur, next);
- value = mtk_ddp_sel_in(cur, next, &addr);
- if (value) {
reg = readl_relaxed(config_regs + addr) | value;
writel_relaxed(reg, config_regs + addr);
- }
-}
-void mtk_ddp_remove_comp_from_path(void __iomem *config_regs,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next)
-{
- unsigned int addr, value, reg;
- value = mtk_ddp_mout_en(cur, next, &addr);
- if (value) {
reg = readl_relaxed(config_regs + addr) & ~value;
writel_relaxed(reg, config_regs + addr);
- }
- value = mtk_ddp_sel_in(cur, next, &addr);
- if (value) {
reg = readl_relaxed(config_regs + addr) & ~value;
writel_relaxed(reg, config_regs + addr);
- }
-}
struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id) { struct mtk_ddp *ddp = dev_get_drvdata(dev); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp.h index 827be424a148..6b691a57be4a 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.h @@ -12,13 +12,6 @@ struct regmap; struct device; struct mtk_disp_mutex;
-void mtk_ddp_add_comp_to_path(void __iomem *config_regs,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next);
-void mtk_ddp_remove_comp_from_path(void __iomem *config_regs,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next);
struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id); int mtk_disp_mutex_prepare(struct mtk_disp_mutex *mutex); void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 8e2d3cb62ad5..02011d3168df 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -10,6 +10,7 @@ #include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/pm_runtime.h> +#include <linux/soc/mediatek/mtk-mmsys.h> #include <linux/dma-mapping.h>
#include <drm/drm_atomic.h> @@ -425,7 +426,6 @@ static int mtk_drm_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct mtk_drm_private *private;
- struct resource *mem; struct device_node *node; struct component_match *match = NULL; int ret;
@@ -437,13 +437,10 @@ static int mtk_drm_probe(struct platform_device *pdev)
private->data = of_device_get_match_data(dev);
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- private->config_regs = devm_ioremap_resource(dev, mem);
- if (IS_ERR(private->config_regs)) {
ret = PTR_ERR(private->config_regs);
dev_err(dev, "Failed to ioremap mmsys-config resource: %d\n",
ret);
return ret;
private->config_regs = dev_get_drvdata(dev->parent);
if (!private->config_regs) {
dev_err(dev, "Failed to get MMSYS config registers\n");
return -ENODEV;
}
/* Iterate over sibling DISP function blocks */
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index 473cdf732fb5..a8a98777064e 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -5,14 +5,81 @@ */
#include <linux/clk-provider.h> +#include <linux/device.h> #include <linux/of_device.h> #include <linux/platform_device.h> +#include <linux/soc/mediatek/mtk-mmsys.h>
#include "../../clk/mediatek/clk-gate.h" #include "../../clk/mediatek/clk-mtk.h" +#include "../../gpu/drm/mediatek/mtk_drm_ddp.h" +#include "../../gpu/drm/mediatek/mtk_drm_ddp_comp.h"
#include <dt-bindings/clock/mt8173-clk.h>
+#define DISP_REG_CONFIG_DISP_OVL0_MOUT_EN 0x040 +#define DISP_REG_CONFIG_DISP_OVL1_MOUT_EN 0x044 +#define DISP_REG_CONFIG_DISP_OD_MOUT_EN 0x048 +#define DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN 0x04c +#define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN 0x050 +#define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN 0x084 +#define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN 0x088 +#define DISP_REG_CONFIG_DSIE_SEL_IN 0x0a4 +#define DISP_REG_CONFIG_DSIO_SEL_IN 0x0a8 +#define DISP_REG_CONFIG_DPI_SEL_IN 0x0ac +#define DISP_REG_CONFIG_DISP_RDMA2_SOUT 0x0b8 +#define DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN 0x0c4 +#define DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN 0x0c8 +#define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100
+#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030 +#define DISP_REG_CONFIG_OUT_SEL 0x04c +#define DISP_REG_CONFIG_DSI_SEL 0x050 +#define DISP_REG_CONFIG_DPI_SEL 0x064
+#define OVL0_MOUT_EN_COLOR0 0x1 +#define OD_MOUT_EN_RDMA0 0x1 +#define OD1_MOUT_EN_RDMA1 BIT(16) +#define UFOE_MOUT_EN_DSI0 0x1 +#define COLOR0_SEL_IN_OVL0 0x1 +#define OVL1_MOUT_EN_COLOR1 0x1 +#define GAMMA_MOUT_EN_RDMA1 0x1 +#define RDMA0_SOUT_DPI0 0x2 +#define RDMA0_SOUT_DPI1 0x3 +#define RDMA0_SOUT_DSI1 0x1 +#define RDMA0_SOUT_DSI2 0x4 +#define RDMA0_SOUT_DSI3 0x5 +#define RDMA1_SOUT_DPI0 0x2 +#define RDMA1_SOUT_DPI1 0x3 +#define RDMA1_SOUT_DSI1 0x1 +#define RDMA1_SOUT_DSI2 0x4 +#define RDMA1_SOUT_DSI3 0x5 +#define RDMA2_SOUT_DPI0 0x2 +#define RDMA2_SOUT_DPI1 0x3 +#define RDMA2_SOUT_DSI1 0x1 +#define RDMA2_SOUT_DSI2 0x4 +#define RDMA2_SOUT_DSI3 0x5 +#define DPI0_SEL_IN_RDMA1 0x1 +#define DPI0_SEL_IN_RDMA2 0x3 +#define DPI1_SEL_IN_RDMA1 (0x1 << 8) +#define DPI1_SEL_IN_RDMA2 (0x3 << 8) +#define DSI0_SEL_IN_RDMA1 0x1 +#define DSI0_SEL_IN_RDMA2 0x4 +#define DSI1_SEL_IN_RDMA1 0x1 +#define DSI1_SEL_IN_RDMA2 0x4 +#define DSI2_SEL_IN_RDMA1 (0x1 << 16) +#define DSI2_SEL_IN_RDMA2 (0x4 << 16) +#define DSI3_SEL_IN_RDMA1 (0x1 << 16) +#define DSI3_SEL_IN_RDMA2 (0x4 << 16) +#define COLOR1_SEL_IN_OVL1 0x1
+#define OVL_MOUT_EN_RDMA 0x1 +#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8 +#define BLS_TO_DPI_RDMA1_TO_DSI 0x2 +#define DSI_SEL_IN_BLS 0x0 +#define DPI_SEL_IN_BLS 0x0 +#define DSI_SEL_IN_RDMA 0x1
static const struct mtk_gate_regs mm0_cg_regs = { .set_ofs = 0x0104, .clr_ofs = 0x0108, @@ -110,13 +177,221 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = { .gates_num = ARRAY_SIZE(mt8173_mm_clks), };
+static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next,
unsigned int *addr)
+{
- unsigned int value;
- if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
*addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN;
value = OVL0_MOUT_EN_COLOR0;
- } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) {
*addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN;
value = OVL_MOUT_EN_RDMA;
- } else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) {
*addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
value = OD_MOUT_EN_RDMA0;
- } else if (cur == DDP_COMPONENT_UFOE && next == DDP_COMPONENT_DSI0) {
*addr = DISP_REG_CONFIG_DISP_UFOE_MOUT_EN;
value = UFOE_MOUT_EN_DSI0;
- } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
*addr = DISP_REG_CONFIG_DISP_OVL1_MOUT_EN;
value = OVL1_MOUT_EN_COLOR1;
- } else if (cur == DDP_COMPONENT_GAMMA && next == DDP_COMPONENT_RDMA1) {
*addr = DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN;
value = GAMMA_MOUT_EN_RDMA1;
- } else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) {
*addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
value = OD1_MOUT_EN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DPI0;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DPI1;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DSI1;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DSI2;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) {
*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
value = RDMA0_SOUT_DSI3;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
value = RDMA1_SOUT_DSI1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
value = RDMA1_SOUT_DSI2;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
value = RDMA1_SOUT_DSI3;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
value = RDMA1_SOUT_DPI0;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
value = RDMA1_SOUT_DPI1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
*addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
value = RDMA2_SOUT_DPI0;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
value = RDMA2_SOUT_DPI1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
*addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
value = RDMA2_SOUT_DSI1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
value = RDMA2_SOUT_DSI2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
*addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
value = RDMA2_SOUT_DSI3;
- } else {
value = 0;
- }
- return value;
+}
+static unsigned int mtk_mmsys_ddp_sel_in(enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next,
unsigned int *addr)
+{
- unsigned int value;
- if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
*addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN;
value = COLOR0_SEL_IN_OVL0;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
*addr = DISP_REG_CONFIG_DPI_SEL_IN;
value = DPI0_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DPI_SEL_IN;
value = DPI1_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
value = DSI0_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
*addr = DISP_REG_CONFIG_DSIO_SEL_IN;
value = DSI1_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
value = DSI2_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
*addr = DISP_REG_CONFIG_DSIO_SEL_IN;
value = DSI3_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
*addr = DISP_REG_CONFIG_DPI_SEL_IN;
value = DPI0_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
*addr = DISP_REG_CONFIG_DPI_SEL_IN;
value = DPI1_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI0) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
value = DSI0_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
*addr = DISP_REG_CONFIG_DSIO_SEL_IN;
value = DSI1_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
value = DSI2_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
*addr = DISP_REG_CONFIG_DSIE_SEL_IN;
value = DSI3_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
*addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
value = COLOR1_SEL_IN_OVL1;
- } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
*addr = DISP_REG_CONFIG_DSI_SEL;
value = DSI_SEL_IN_BLS;
- } else {
value = 0;
- }
- return value;
+}
+static void mtk_mmsys_ddp_sout_sel(void __iomem *config_regs,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next)
+{
- if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1,
config_regs + DISP_REG_CONFIG_OUT_SEL);
- } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI,
config_regs + DISP_REG_CONFIG_OUT_SEL);
writel_relaxed(DSI_SEL_IN_RDMA,
config_regs + DISP_REG_CONFIG_DSI_SEL);
writel_relaxed(DPI_SEL_IN_BLS,
config_regs + DISP_REG_CONFIG_DPI_SEL);
- }
+}
+void mtk_mmsys_ddp_connect(void __iomem *config_regs,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next)
+{
- unsigned int addr, value, reg;
- value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
- if (value) {
reg = readl_relaxed(config_regs + addr) | value;
writel_relaxed(reg, config_regs + addr);
- }
- mtk_mmsys_ddp_sout_sel(config_regs, cur, next);
- value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
- if (value) {
reg = readl_relaxed(config_regs + addr) | value;
writel_relaxed(reg, config_regs + addr);
- }
+}
+void mtk_mmsys_ddp_disconnect(void __iomem *config_regs,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next)
+{
- unsigned int addr, value, reg;
- value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
- if (value) {
reg = readl_relaxed(config_regs + addr) & ~value;
writel_relaxed(reg, config_regs + addr);
- }
- value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
- if (value) {
reg = readl_relaxed(config_regs + addr) & ~value;
writel_relaxed(reg, config_regs + addr);
- }
+}
static int mtk_mmsys_probe(struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; const struct mtk_mmsys_driver_data *data; struct clk_onecell_data *clk_data;
struct device *dev = &pdev->dev;
void __iomem *config_regs;
struct resource *mem; int ret;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
config_regs = devm_ioremap_resource(dev, mem);
if (IS_ERR(config_regs)) {
ret = PTR_ERR(config_regs);
dev_err(dev, "Failed to ioremap mmsys-config resource: %d\n",
ret);
return ret;
}
platform_set_drvdata(pdev, config_regs);
clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK); if (!clk_data) return -ENOMEM;
diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h new file mode 100644 index 000000000000..02fd86e62a8d --- /dev/null +++ b/include/linux/soc/mediatek/mtk-mmsys.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/*
- Copyright (c) 2015 MediaTek Inc.
- */
+#ifndef __MTK_MMSYS_H +#define __MTK_MMSYS_H
+enum mtk_ddp_comp_id;
+void mtk_mmsys_ddp_connect(void __iomem *config_regs,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next);
+void mtk_mmsys_ddp_disconnect(void __iomem *config_regs,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next);
+#endif /* __MTK_MMSYS_H */