[PATCH v3 05/10] video: add MIPI DSI host controller bridge

2018-03-13 Thread yannick fertre
Add a Synopsys Designware MIPI DSI host bridge driver, based on the
Rockchip version from rockchip/dw-mipi-dsi.c with phy & bridge APIs.

Signed-off-by: yannick fertre 
---
 drivers/video/Kconfig   |   9 +
 drivers/video/Makefile  |   1 +
 drivers/video/dw_mipi_dsi.c | 822 
 include/dw_mipi_dsi.h   |  34 ++
 4 files changed, 866 insertions(+)
 create mode 100644 drivers/video/dw_mipi_dsi.c
 create mode 100644 include/dw_mipi_dsi.h

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index b5fc535..0f641d7 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -657,6 +657,15 @@ config VIDEO_DW_HDMI
  rather requires a SoC-specific glue driver to call it), it
  can not be enabled from the configuration menu.
 
+config VIDEO_DW_MIPI_DSI
+   bool
+   help
+ Enables the common driver code for the Designware MIPI DSI
+ block found in SoCs from various vendors.
+ As this does not provide any functionality by itself (but
+ rather requires a SoC-specific glue driver to call it), it
+ can not be enabled from the configuration menu.
+
 config VIDEO_SIMPLE
bool "Simple display driver for preconfigured display"
help
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 65002af..50be569 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_FORMIKE) += formike.o
 obj-$(CONFIG_LG4573) += lg4573.o
 obj-$(CONFIG_AM335X_LCD) += am335x-fb.o
 obj-$(CONFIG_VIDEO_DW_HDMI) += dw_hdmi.o
+obj-$(CONFIG_VIDEO_DW_MIPI_DSI) += dw_mipi_dsi.o
 obj-${CONFIG_VIDEO_MIPI_DSI} += mipi_display.o
 obj-$(CONFIG_VIDEO_SIMPLE) += simplefb.o
 obj-${CONFIG_VIDEO_TEGRA124} += tegra124/
diff --git a/drivers/video/dw_mipi_dsi.c b/drivers/video/dw_mipi_dsi.c
new file mode 100644
index 000..d7bd92d
--- /dev/null
+++ b/drivers/video/dw_mipi_dsi.c
@@ -0,0 +1,822 @@
+/*
+ * Copyright (C) 2016, Fuzhou Rockchip Electronics Co., Ltd
+ * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
+ * Author(s): Philippe Cornu  for STMicroelectronics.
+ *   Yannick Fertre  for STMicroelectronics.
+ *
+ * Modified by Yannick Fertre 
+ * This generic Synopsys DesignWare MIPI DSI host driver is based on the
+ * bridge synopsys from drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c (kernel
+ * linux).
+ */
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define HWVER_131  0x31333100  /* IP version 1.31 */
+
+#define DSI_VERSION0x00
+#define VERSIONGENMASK(31, 8)
+
+#define DSI_PWR_UP 0x04
+#define RESET  0
+#define POWERUPBIT(0)
+
+#define DSI_CLKMGR_CFG 0x08
+#define TO_CLK_DIVISION(div)   (((div) & 0xff) << 8)
+#define TX_ESC_CLK_DIVISION(div)   ((div) & 0xff)
+
+#define DSI_DPI_VCID   0x0c
+#define DPI_VCID(vcid) ((vcid) & 0x3)
+
+#define DSI_DPI_COLOR_CODING   0x10
+#define LOOSELY18_EN   BIT(8)
+#define DPI_COLOR_CODING_16BIT_1   0x0
+#define DPI_COLOR_CODING_16BIT_2   0x1
+#define DPI_COLOR_CODING_16BIT_3   0x2
+#define DPI_COLOR_CODING_18BIT_1   0x3
+#define DPI_COLOR_CODING_18BIT_2   0x4
+#define DPI_COLOR_CODING_24BIT 0x5
+
+#define DSI_DPI_CFG_POL0x14
+#define COLORM_ACTIVE_LOW  BIT(4)
+#define SHUTD_ACTIVE_LOW   BIT(3)
+#define HSYNC_ACTIVE_LOW   BIT(2)
+#define VSYNC_ACTIVE_LOW   BIT(1)
+#define DATAEN_ACTIVE_LOW  BIT(0)
+
+#define DSI_DPI_LP_CMD_TIM 0x18
+#define OUTVACT_LPCMD_TIME(p)  (((p) & 0xff) << 16)
+#define INVACT_LPCMD_TIME(p)   ((p) & 0xff)
+
+#define DSI_DBI_VCID   0x1c
+#define DSI_DBI_CFG0x20
+#define DSI_DBI_PARTITIONING_EN0x24
+#define DSI_DBI_CMDSIZE0x28
+
+#define DSI_PCKHDL_CFG 0x2c
+#define CRC_RX_EN  BIT(4)
+#define ECC_RX_EN  BIT(3)
+#define BTA_EN BIT(2)
+#define EOTP_RX_EN BIT(1)
+#define EOTP_TX_EN BIT(0)
+
+#define DSI_GEN_VCID   0x30
+
+#define DSI_MODE_CFG   0x34
+#define ENABLE_VIDEO_MODE  0
+#define ENABLE_CMD_MODEBIT(0)
+
+#define DSI_VID_MODE_CFG   0x38
+#define ENABLE_LOW_POWER   (0x3f << 8)
+#define ENABLE_LOW_POWER_MASK  (0x3f << 8)
+#define VID_MODE_TYPE_NON_BURST_SYNC_PULSES0x0
+#define VID_MODE_TYPE_NON_BURST_SYNC_EVENTS0x1
+#define 

[PATCH v3 05/10] video: add MIPI DSI host controller bridge

2018-03-13 Thread yannick fertre
Add a Synopsys Designware MIPI DSI host bridge driver, based on the
Rockchip version from rockchip/dw-mipi-dsi.c with phy & bridge APIs.

Signed-off-by: yannick fertre 
---
 drivers/video/Kconfig   |   9 +
 drivers/video/Makefile  |   1 +
 drivers/video/dw_mipi_dsi.c | 822 
 include/dw_mipi_dsi.h   |  34 ++
 4 files changed, 866 insertions(+)
 create mode 100644 drivers/video/dw_mipi_dsi.c
 create mode 100644 include/dw_mipi_dsi.h

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index b5fc535..0f641d7 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -657,6 +657,15 @@ config VIDEO_DW_HDMI
  rather requires a SoC-specific glue driver to call it), it
  can not be enabled from the configuration menu.
 
+config VIDEO_DW_MIPI_DSI
+   bool
+   help
+ Enables the common driver code for the Designware MIPI DSI
+ block found in SoCs from various vendors.
+ As this does not provide any functionality by itself (but
+ rather requires a SoC-specific glue driver to call it), it
+ can not be enabled from the configuration menu.
+
 config VIDEO_SIMPLE
bool "Simple display driver for preconfigured display"
help
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 65002af..50be569 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_FORMIKE) += formike.o
 obj-$(CONFIG_LG4573) += lg4573.o
 obj-$(CONFIG_AM335X_LCD) += am335x-fb.o
 obj-$(CONFIG_VIDEO_DW_HDMI) += dw_hdmi.o
+obj-$(CONFIG_VIDEO_DW_MIPI_DSI) += dw_mipi_dsi.o
 obj-${CONFIG_VIDEO_MIPI_DSI} += mipi_display.o
 obj-$(CONFIG_VIDEO_SIMPLE) += simplefb.o
 obj-${CONFIG_VIDEO_TEGRA124} += tegra124/
diff --git a/drivers/video/dw_mipi_dsi.c b/drivers/video/dw_mipi_dsi.c
new file mode 100644
index 000..d7bd92d
--- /dev/null
+++ b/drivers/video/dw_mipi_dsi.c
@@ -0,0 +1,822 @@
+/*
+ * Copyright (C) 2016, Fuzhou Rockchip Electronics Co., Ltd
+ * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
+ * Author(s): Philippe Cornu  for STMicroelectronics.
+ *   Yannick Fertre  for STMicroelectronics.
+ *
+ * Modified by Yannick Fertre 
+ * This generic Synopsys DesignWare MIPI DSI host driver is based on the
+ * bridge synopsys from drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c (kernel
+ * linux).
+ */
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define HWVER_131  0x31333100  /* IP version 1.31 */
+
+#define DSI_VERSION0x00
+#define VERSIONGENMASK(31, 8)
+
+#define DSI_PWR_UP 0x04
+#define RESET  0
+#define POWERUPBIT(0)
+
+#define DSI_CLKMGR_CFG 0x08
+#define TO_CLK_DIVISION(div)   (((div) & 0xff) << 8)
+#define TX_ESC_CLK_DIVISION(div)   ((div) & 0xff)
+
+#define DSI_DPI_VCID   0x0c
+#define DPI_VCID(vcid) ((vcid) & 0x3)
+
+#define DSI_DPI_COLOR_CODING   0x10
+#define LOOSELY18_EN   BIT(8)
+#define DPI_COLOR_CODING_16BIT_1   0x0
+#define DPI_COLOR_CODING_16BIT_2   0x1
+#define DPI_COLOR_CODING_16BIT_3   0x2
+#define DPI_COLOR_CODING_18BIT_1   0x3
+#define DPI_COLOR_CODING_18BIT_2   0x4
+#define DPI_COLOR_CODING_24BIT 0x5
+
+#define DSI_DPI_CFG_POL0x14
+#define COLORM_ACTIVE_LOW  BIT(4)
+#define SHUTD_ACTIVE_LOW   BIT(3)
+#define HSYNC_ACTIVE_LOW   BIT(2)
+#define VSYNC_ACTIVE_LOW   BIT(1)
+#define DATAEN_ACTIVE_LOW  BIT(0)
+
+#define DSI_DPI_LP_CMD_TIM 0x18
+#define OUTVACT_LPCMD_TIME(p)  (((p) & 0xff) << 16)
+#define INVACT_LPCMD_TIME(p)   ((p) & 0xff)
+
+#define DSI_DBI_VCID   0x1c
+#define DSI_DBI_CFG0x20
+#define DSI_DBI_PARTITIONING_EN0x24
+#define DSI_DBI_CMDSIZE0x28
+
+#define DSI_PCKHDL_CFG 0x2c
+#define CRC_RX_EN  BIT(4)
+#define ECC_RX_EN  BIT(3)
+#define BTA_EN BIT(2)
+#define EOTP_RX_EN BIT(1)
+#define EOTP_TX_EN BIT(0)
+
+#define DSI_GEN_VCID   0x30
+
+#define DSI_MODE_CFG   0x34
+#define ENABLE_VIDEO_MODE  0
+#define ENABLE_CMD_MODEBIT(0)
+
+#define DSI_VID_MODE_CFG   0x38
+#define ENABLE_LOW_POWER   (0x3f << 8)
+#define ENABLE_LOW_POWER_MASK  (0x3f << 8)
+#define VID_MODE_TYPE_NON_BURST_SYNC_PULSES0x0
+#define VID_MODE_TYPE_NON_BURST_SYNC_EVENTS0x1
+#define VID_MODE_TYPE_BURST0x2
+#define VID_MODE_TYPE_MASK 0x3
+
+#define