// SPDX-License-Identifier: GPL-2.0 /* * Copyright: 2017 Cadence Design Systems, Inc. * * Author: Boris Brezillon <[email protected]> */ #include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> #include <drm/drm_probe_helper.h> #include <video/mipi_display.h> #include <linux/clk.h> #include <linux/interrupt.h> #include <linux/iopoll.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_graph.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/reset.h> #include <linux/phy/phy-mipi-dphy.h> #include "cdns-dsi-core.h" #ifdef CONFIG_DRM_CDNS_DSI_J721E #include "cdns-dsi-j721e.h" #endif #define IP_CONF … #define SP_HS_FIFO_DEPTH(x) … #define SP_LP_FIFO_DEPTH(x) … #define VRS_FIFO_DEPTH(x) … #define DIRCMD_FIFO_DEPTH(x) … #define SDI_IFACE_32 … #define INTERNAL_DATAPATH_32 … #define INTERNAL_DATAPATH_16 … #define INTERNAL_DATAPATH_8 … #define INTERNAL_DATAPATH_SIZE … #define NUM_IFACE(x) … #define MAX_LANE_NB(x) … #define RX_FIFO_DEPTH(x) … #define MCTL_MAIN_DATA_CTL … #define TE_MIPI_POLLING_EN … #define TE_HW_POLLING_EN … #define DISP_EOT_GEN … #define HOST_EOT_GEN … #define DISP_GEN_CHECKSUM … #define DISP_GEN_ECC … #define BTA_EN … #define READ_EN … #define REG_TE_EN … #define IF_TE_EN(x) … #define TVG_SEL … #define VID_EN … #define IF_VID_SELECT(x) … #define IF_VID_SELECT_MASK … #define IF_VID_MODE … #define LINK_EN … #define MCTL_MAIN_PHY_CTL … #define HS_INVERT_DAT(x) … #define SWAP_PINS_DAT(x) … #define HS_INVERT_CLK … #define SWAP_PINS_CLK … #define HS_SKEWCAL_EN … #define WAIT_BURST_TIME(x) … #define DATA_ULPM_EN(x) … #define CLK_ULPM_EN … #define CLK_CONTINUOUS … #define DATA_LANE_EN(x) … #define MCTL_MAIN_EN … #define DATA_FORCE_STOP … #define CLK_FORCE_STOP … #define IF_EN(x) … #define DATA_LANE_ULPM_REQ(l) … #define CLK_LANE_ULPM_REQ … #define DATA_LANE_START(x) … #define CLK_LANE_EN … #define PLL_START … #define MCTL_DPHY_CFG0 … #define DPHY_C_RSTB … #define DPHY_D_RSTB(x) … #define DPHY_PLL_PDN … #define DPHY_CMN_PDN … #define DPHY_C_PDN … #define DPHY_D_PDN(x) … #define DPHY_ALL_D_PDN … #define DPHY_PLL_PSO … #define DPHY_CMN_PSO … #define MCTL_DPHY_TIMEOUT1 … #define HSTX_TIMEOUT(x) … #define HSTX_TIMEOUT_MAX … #define CLK_DIV(x) … #define CLK_DIV_MAX … #define MCTL_DPHY_TIMEOUT2 … #define LPRX_TIMEOUT(x) … #define MCTL_ULPOUT_TIME … #define DATA_LANE_ULPOUT_TIME(x) … #define CLK_LANE_ULPOUT_TIME(x) … #define MCTL_3DVIDEO_CTL … #define VID_VSYNC_3D_EN … #define VID_VSYNC_3D_LR … #define VID_VSYNC_3D_SECOND_EN … #define VID_VSYNC_3DFORMAT_LINE … #define VID_VSYNC_3DFORMAT_FRAME … #define VID_VSYNC_3DFORMAT_PIXEL … #define VID_VSYNC_3DMODE_OFF … #define VID_VSYNC_3DMODE_PORTRAIT … #define VID_VSYNC_3DMODE_LANDSCAPE … #define MCTL_MAIN_STS … #define MCTL_MAIN_STS_CTL … #define MCTL_MAIN_STS_CLR … #define MCTL_MAIN_STS_FLAG … #define HS_SKEWCAL_DONE … #define IF_UNTERM_PKT_ERR(x) … #define LPRX_TIMEOUT_ERR … #define HSTX_TIMEOUT_ERR … #define DATA_LANE_RDY(l) … #define CLK_LANE_RDY … #define PLL_LOCKED … #define MCTL_DPHY_ERR … #define MCTL_DPHY_ERR_CTL1 … #define MCTL_DPHY_ERR_CLR … #define MCTL_DPHY_ERR_FLAG … #define ERR_CONT_LP(x, l) … #define ERR_CONTROL(l) … #define ERR_SYNESC(l) … #define ERR_ESC(l) … #define MCTL_DPHY_ERR_CTL2 … #define ERR_CONT_LP_EDGE(x, l) … #define ERR_CONTROL_EDGE(l) … #define ERR_SYN_ESC_EDGE(l) … #define ERR_ESC_EDGE(l) … #define MCTL_LANE_STS … #define PPI_C_TX_READY_HS … #define DPHY_PLL_LOCK … #define PPI_D_RX_ULPS_ESC(x) … #define LANE_STATE_START … #define LANE_STATE_IDLE … #define LANE_STATE_WRITE … #define LANE_STATE_ULPM … #define LANE_STATE_READ … #define DATA_LANE_STATE(l, val) … #define CLK_LANE_STATE_HS … #define CLK_LANE_STATE(val) … #define DSC_MODE_CTL … #define DSC_MODE_EN … #define DSC_CMD_SEND … #define DSC_SEND_PPS … #define DSC_EXECUTE_QUEUE … #define DSC_PPS_WRDAT … #define DSC_MODE_STS … #define DSC_PPS_DONE … #define DSC_EXEC_DONE … #define CMD_MODE_CTL … #define IF_LP_EN(x) … #define IF_VCHAN_ID(x, c) … #define CMD_MODE_CTL2 … #define TE_TIMEOUT(x) … #define FILL_VALUE(x) … #define ARB_IF_WITH_HIGHEST_PRIORITY(x) … #define ARB_ROUND_ROBIN_MODE … #define CMD_MODE_STS … #define CMD_MODE_STS_CTL … #define CMD_MODE_STS_CLR … #define CMD_MODE_STS_FLAG … #define ERR_IF_UNDERRUN(x) … #define ERR_UNWANTED_READ … #define ERR_TE_MISS … #define ERR_NO_TE … #define CSM_RUNNING … #define DIRECT_CMD_SEND … #define DIRECT_CMD_MAIN_SETTINGS … #define TRIGGER_VAL(x) … #define CMD_LP_EN … #define CMD_SIZE(x) … #define CMD_VCHAN_ID(x) … #define CMD_DATATYPE(x) … #define CMD_LONG … #define WRITE_CMD … #define READ_CMD … #define TE_REQ … #define TRIGGER_REQ … #define BTA_REQ … #define DIRECT_CMD_STS … #define DIRECT_CMD_STS_CTL … #define DIRECT_CMD_STS_CLR … #define DIRECT_CMD_STS_FLAG … #define RCVD_ACK_VAL(val) … #define RCVD_TRIGGER_VAL(val) … #define READ_COMPLETED_WITH_ERR … #define BTA_FINISHED … #define BTA_COMPLETED … #define TE_RCVD … #define TRIGGER_RCVD … #define ACK_WITH_ERR_RCVD … #define ACK_RCVD … #define READ_COMPLETED … #define TRIGGER_COMPLETED … #define WRITE_COMPLETED … #define SENDING_CMD … #define DIRECT_CMD_STOP_READ … #define DIRECT_CMD_WRDATA … #define DIRECT_CMD_FIFO_RST … #define DIRECT_CMD_RDDATA … #define DIRECT_CMD_RD_PROPS … #define RD_DCS … #define RD_VCHAN_ID(val) … #define RD_SIZE(val) … #define DIRECT_CMD_RD_STS … #define DIRECT_CMD_RD_STS_CTL … #define DIRECT_CMD_RD_STS_CLR … #define DIRECT_CMD_RD_STS_FLAG … #define ERR_EOT_WITH_ERR … #define ERR_MISSING_EOT … #define ERR_WRONG_LENGTH … #define ERR_OVERSIZE … #define ERR_RECEIVE … #define ERR_UNDECODABLE … #define ERR_CHECKSUM … #define ERR_UNCORRECTABLE … #define ERR_FIXED … #define VID_MAIN_CTL … #define VID_IGNORE_MISS_VSYNC … #define VID_FIELD_SW … #define VID_INTERLACED_EN … #define RECOVERY_MODE(x) … #define RECOVERY_MODE_NEXT_HSYNC … #define RECOVERY_MODE_NEXT_STOP_POINT … #define RECOVERY_MODE_NEXT_VSYNC … #define REG_BLKEOL_MODE(x) … #define REG_BLKLINE_MODE(x) … #define REG_BLK_MODE_NULL_PKT … #define REG_BLK_MODE_BLANKING_PKT … #define REG_BLK_MODE_LP … #define SYNC_PULSE_HORIZONTAL … #define SYNC_PULSE_ACTIVE … #define BURST_MODE … #define VID_PIXEL_MODE_MASK … #define VID_PIXEL_MODE_RGB565 … #define VID_PIXEL_MODE_RGB666_PACKED … #define VID_PIXEL_MODE_RGB666 … #define VID_PIXEL_MODE_RGB888 … #define VID_PIXEL_MODE_RGB101010 … #define VID_PIXEL_MODE_RGB121212 … #define VID_PIXEL_MODE_YUV420 … #define VID_PIXEL_MODE_YUV422_PACKED … #define VID_PIXEL_MODE_YUV422 … #define VID_PIXEL_MODE_YUV422_24B … #define VID_PIXEL_MODE_DSC_COMP … #define VID_DATATYPE(x) … #define VID_VIRTCHAN_ID(iface, x) … #define STOP_MODE(x) … #define START_MODE(x) … #define VID_VSIZE1 … #define VFP_LEN(x) … #define VBP_LEN(x) … #define VSA_LEN(x) … #define VID_VSIZE2 … #define VACT_LEN(x) … #define VID_HSIZE1 … #define HBP_LEN(x) … #define HSA_LEN(x) … #define VID_HSIZE2 … #define HFP_LEN(x) … #define HACT_LEN(x) … #define VID_BLKSIZE1 … #define BLK_EOL_PKT_LEN(x) … #define BLK_LINE_EVENT_PKT_LEN(x) … #define VID_BLKSIZE2 … #define BLK_LINE_PULSE_PKT_LEN(x) … #define VID_PKT_TIME … #define BLK_EOL_DURATION(x) … #define VID_DPHY_TIME … #define REG_WAKEUP_TIME(x) … #define REG_LINE_DURATION(x) … #define VID_ERR_COLOR1 … #define COL_GREEN(x) … #define COL_RED(x) … #define VID_ERR_COLOR2 … #define PAD_VAL(x) … #define COL_BLUE(x) … #define VID_VPOS … #define LINE_VAL(val) … #define LINE_POS(val) … #define VID_HPOS … #define HORIZ_VAL(val) … #define HORIZ_POS(val) … #define VID_MODE_STS … #define VID_MODE_STS_CTL … #define VID_MODE_STS_CLR … #define VID_MODE_STS_FLAG … #define VSG_RECOVERY … #define ERR_VRS_WRONG_LEN … #define ERR_LONG_READ … #define ERR_LINE_WRITE … #define ERR_BURST_WRITE … #define ERR_SMALL_HEIGHT … #define ERR_SMALL_LEN … #define ERR_MISSING_VSYNC … #define ERR_MISSING_HSYNC … #define ERR_MISSING_DATA … #define VSG_RUNNING … #define VID_VCA_SETTING1 … #define BURST_LP … #define MAX_BURST_LIMIT(x) … #define VID_VCA_SETTING2 … #define MAX_LINE_LIMIT(x) … #define EXACT_BURST_LIMIT(x) … #define TVG_CTL … #define TVG_STRIPE_SIZE(x) … #define TVG_MODE_MASK … #define TVG_MODE_SINGLE_COLOR … #define TVG_MODE_VSTRIPES … #define TVG_MODE_HSTRIPES … #define TVG_STOPMODE_MASK … #define TVG_STOPMODE_EOF … #define TVG_STOPMODE_EOL … #define TVG_STOPMODE_NOW … #define TVG_RUN … #define TVG_IMG_SIZE … #define TVG_NBLINES(x) … #define TVG_LINE_SIZE(x) … #define TVG_COLOR1 … #define TVG_COL1_GREEN(x) … #define TVG_COL1_RED(x) … #define TVG_COLOR1_BIS … #define TVG_COL1_BLUE(x) … #define TVG_COLOR2 … #define TVG_COL2_GREEN(x) … #define TVG_COL2_RED(x) … #define TVG_COLOR2_BIS … #define TVG_COL2_BLUE(x) … #define TVG_STS … #define TVG_STS_CTL … #define TVG_STS_CLR … #define TVG_STS_FLAG … #define TVG_STS_RUNNING … #define STS_CTL_EDGE(e) … #define DPHY_LANES_MAP … #define DAT_REMAP_CFG(b, l) … #define DPI_IRQ_EN … #define DPI_IRQ_CLR … #define DPI_IRQ_STS … #define PIXEL_BUF_OVERFLOW … #define DPI_CFG … #define DPI_CFG_FIFO_DEPTH(x) … #define DPI_CFG_FIFO_LEVEL(x) … #define TEST_GENERIC … #define TEST_STATUS(x) … #define TEST_CTRL(x) … #define ID_REG … #define REV_VENDOR_ID(x) … #define REV_PRODUCT_ID(x) … #define REV_HW(x) … #define REV_MAJOR(x) … #define REV_MINOR(x) … #define DSI_OUTPUT_PORT … #define DSI_INPUT_PORT(inputid) … #define DSI_HBP_FRAME_OVERHEAD … #define DSI_HSA_FRAME_OVERHEAD … #define DSI_HFP_FRAME_OVERHEAD … #define DSI_HSS_VSS_VSE_FRAME_OVERHEAD … #define DSI_BLANKING_FRAME_OVERHEAD … #define DSI_NULL_FRAME_OVERHEAD … #define DSI_EOT_PKT_SIZE … static inline struct cdns_dsi *input_to_dsi(struct cdns_dsi_input *input) { … } static inline struct cdns_dsi *to_cdns_dsi(struct mipi_dsi_host *host) { … } static inline struct cdns_dsi_input * bridge_to_cdns_dsi_input(struct drm_bridge *bridge) { … } static unsigned int mode_to_dpi_hfp(const struct drm_display_mode *mode, bool mode_valid_check) { … } static unsigned int dpi_to_dsi_timing(unsigned int dpi_timing, unsigned int dpi_bpp, unsigned int dsi_pkt_overhead) { … } static int cdns_dsi_mode2cfg(struct cdns_dsi *dsi, const struct drm_display_mode *mode, struct cdns_dsi_cfg *dsi_cfg, bool mode_valid_check) { … } static int cdns_dsi_adjust_phy_config(struct cdns_dsi *dsi, struct cdns_dsi_cfg *dsi_cfg, struct phy_configure_opts_mipi_dphy *phy_cfg, const struct drm_display_mode *mode, bool mode_valid_check) { … } static int cdns_dsi_check_conf(struct cdns_dsi *dsi, const struct drm_display_mode *mode, struct cdns_dsi_cfg *dsi_cfg, bool mode_valid_check) { … } static int cdns_dsi_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { … } static enum drm_mode_status cdns_dsi_bridge_mode_valid(struct drm_bridge *bridge, const struct drm_display_info *info, const struct drm_display_mode *mode) { … } static void cdns_dsi_bridge_disable(struct drm_bridge *bridge) { … } static void cdns_dsi_bridge_post_disable(struct drm_bridge *bridge) { … } static void cdns_dsi_hs_init(struct cdns_dsi *dsi) { … } static void cdns_dsi_init_link(struct cdns_dsi *dsi) { … } static void cdns_dsi_bridge_enable(struct drm_bridge *bridge) { … } static void cdns_dsi_bridge_pre_enable(struct drm_bridge *bridge) { … } static const struct drm_bridge_funcs cdns_dsi_bridge_funcs = …; static int cdns_dsi_attach(struct mipi_dsi_host *host, struct mipi_dsi_device *dev) { … } static int cdns_dsi_detach(struct mipi_dsi_host *host, struct mipi_dsi_device *dev) { … } static irqreturn_t cdns_dsi_interrupt(int irq, void *data) { … } static ssize_t cdns_dsi_transfer(struct mipi_dsi_host *host, const struct mipi_dsi_msg *msg) { … } static const struct mipi_dsi_host_ops cdns_dsi_ops = …; static int __maybe_unused cdns_dsi_resume(struct device *dev) { … } static int __maybe_unused cdns_dsi_suspend(struct device *dev) { … } static UNIVERSAL_DEV_PM_OPS(cdns_dsi_pm_ops, cdns_dsi_suspend, cdns_dsi_resume, NULL); static int cdns_dsi_drm_probe(struct platform_device *pdev) { … } static void cdns_dsi_drm_remove(struct platform_device *pdev) { … } static const struct of_device_id cdns_dsi_of_match[] = …; MODULE_DEVICE_TABLE(of, cdns_dsi_of_match); static struct platform_driver cdns_dsi_platform_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …;
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