// SPDX-License-Identifier: GPL-2.0 /* * Copyright © 2018 Broadcom * * Authors: * Eric Anholt <[email protected]> * Boris Brezillon <[email protected]> */ #include <linux/clk.h> #include <linux/component.h> #include <linux/mod_devicetable.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> #include <drm/drm_edid.h> #include <drm/drm_fb_dma_helper.h> #include <drm/drm_fourcc.h> #include <drm/drm_framebuffer.h> #include <drm/drm_panel.h> #include <drm/drm_probe_helper.h> #include <drm/drm_vblank.h> #include <drm/drm_writeback.h> #include "vc4_drv.h" #include "vc4_regs.h" /* Base address of the output. Raster formats must be 4-byte aligned, * T and LT must be 16-byte aligned or maybe utile-aligned (docs are * inconsistent, but probably utile). */ #define TXP_DST_PTR … /* Pitch in bytes for raster images, 16-byte aligned. For tiled, it's * the width in tiles. */ #define TXP_DST_PITCH … /* For T-tiled imgaes, DST_PITCH should be the number of tiles wide, * shifted up. */ #define TXP_T_TILE_WIDTH_SHIFT … /* For LT-tiled images, DST_PITCH should be the number of utiles wide, * shifted up. */ #define TXP_LT_TILE_WIDTH_SHIFT … /* Pre-rotation width/height of the image. Must match HVS config. * * If TFORMAT and 32-bit, limit is 1920 for 32-bit and 3840 to 16-bit * and width/height must be tile or utile-aligned as appropriate. If * transposing (rotating), width is limited to 1920. * * Height is limited to various numbers between 4088 and 4095. I'd * just use 4088 to be safe. */ #define TXP_DIM … #define TXP_HEIGHT_SHIFT … #define TXP_HEIGHT_MASK … #define TXP_WIDTH_SHIFT … #define TXP_WIDTH_MASK … #define TXP_DST_CTRL … /* These bits are set to 0x54 */ #define TXP_PILOT_SHIFT … #define TXP_PILOT_MASK … /* Bits 22-23 are set to 0x01 */ #define TXP_VERSION_SHIFT … #define TXP_VERSION_MASK … /* Powers down the internal memory. */ #define TXP_POWERDOWN … /* Enables storing the alpha component in 8888/4444, instead of * filling with ~ALPHA_INVERT. */ #define TXP_ALPHA_ENABLE … /* 4 bits, each enables stores for a channel in each set of 4 bytes. * Set to 0xf for normal operation. */ #define TXP_BYTE_ENABLE_SHIFT … #define TXP_BYTE_ENABLE_MASK … /* Debug: Generate VSTART again at EOF. */ #define TXP_VSTART_AT_EOF … /* Debug: Terminate the current frame immediately. Stops AXI * writes. */ #define TXP_ABORT … #define TXP_DITHER … /* Inverts alpha if TXP_ALPHA_ENABLE, chooses fill value for * !TXP_ALPHA_ENABLE. */ #define TXP_ALPHA_INVERT … /* Note: I've listed the channels here in high bit (in byte 3/2/1) to * low bit (in byte 0) order. */ #define TXP_FORMAT_SHIFT … #define TXP_FORMAT_MASK … #define TXP_FORMAT_ABGR4444 … #define TXP_FORMAT_ARGB4444 … #define TXP_FORMAT_BGRA4444 … #define TXP_FORMAT_RGBA4444 … #define TXP_FORMAT_BGR565 … #define TXP_FORMAT_RGB565 … /* 888s are non-rotated, raster-only */ #define TXP_FORMAT_BGR888 … #define TXP_FORMAT_RGB888 … #define TXP_FORMAT_ABGR8888 … #define TXP_FORMAT_ARGB8888 … #define TXP_FORMAT_BGRA8888 … #define TXP_FORMAT_RGBA8888 … /* If TFORMAT is set, generates LT instead of T format. */ #define TXP_LINEAR_UTILE … /* Rotate output by 90 degrees. */ #define TXP_TRANSPOSE … /* Generate a tiled format for V3D. */ #define TXP_TFORMAT … /* Generates some undefined test mode output. */ #define TXP_TEST_MODE … /* Request odd field from HVS. */ #define TXP_FIELD … /* Raise interrupt when idle. */ #define TXP_EI … /* Set when generating a frame, clears when idle. */ #define TXP_BUSY … /* Starts a frame. Self-clearing. */ #define TXP_GO … /* Number of lines received and committed to memory. */ #define TXP_PROGRESS … #define TXP_READ(offset) … #define TXP_WRITE(offset, val) … struct vc4_txp { … }; #define encoder_to_vc4_txp(_encoder) … #define connector_to_vc4_txp(_connector) … static const struct debugfs_reg32 txp_regs[] = …; static int vc4_txp_connector_get_modes(struct drm_connector *connector) { … } static enum drm_mode_status vc4_txp_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { … } static const u32 drm_fmts[] = …; static const u32 txp_fmts[] = …; static void vc4_txp_armed(struct drm_crtc_state *state) { … } static int vc4_txp_connector_atomic_check(struct drm_connector *conn, struct drm_atomic_state *state) { … } static void vc4_txp_connector_atomic_commit(struct drm_connector *conn, struct drm_atomic_state *state) { … } static const struct drm_connector_helper_funcs vc4_txp_connector_helper_funcs = …; static enum drm_connector_status vc4_txp_connector_detect(struct drm_connector *connector, bool force) { … } static const struct drm_connector_funcs vc4_txp_connector_funcs = …; static void vc4_txp_encoder_disable(struct drm_encoder *encoder) { … } static const struct drm_encoder_helper_funcs vc4_txp_encoder_helper_funcs = …; static int vc4_txp_enable_vblank(struct drm_crtc *crtc) { … } static void vc4_txp_disable_vblank(struct drm_crtc *crtc) { … } static const struct drm_crtc_funcs vc4_txp_crtc_funcs = …; static int vc4_txp_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *state) { … } static void vc4_txp_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *state) { … } static void vc4_txp_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *state) { … } static const struct drm_crtc_helper_funcs vc4_txp_crtc_helper_funcs = …; static irqreturn_t vc4_txp_interrupt(int irq, void *data) { … } const struct vc4_crtc_data vc4_txp_crtc_data = …; static int vc4_txp_bind(struct device *dev, struct device *master, void *data) { … } static void vc4_txp_unbind(struct device *dev, struct device *master, void *data) { … } static const struct component_ops vc4_txp_ops = …; static int vc4_txp_probe(struct platform_device *pdev) { … } static void vc4_txp_remove(struct platform_device *pdev) { … } static const struct of_device_id vc4_txp_dt_match[] = …; struct platform_driver vc4_txp_driver = …;
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