drm/amdgpu: add core driver (v4)
This adds the non-asic specific core driver code.
v2: remove extra kconfig option
v3: implement minor fixes from Fengguang Wu
v4: fix cast in amdgpu_ucode.c
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
new file mode 100644
index 0000000..64efe5b
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -0,0 +1,586 @@
+/*
+ * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
+ * VA Linux Systems Inc., Fremont, California.
+ * Copyright 2008 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Original Authors:
+ * Kevin E. Martin, Rickard E. Faith, Alan Hourihane
+ *
+ * Kernel port Author: Dave Airlie
+ */
+
+#ifndef AMDGPU_MODE_H
+#define AMDGPU_MODE_H
+
+#include <drm/drm_crtc.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_dp_helper.h>
+#include <drm/drm_fixed.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_plane_helper.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+
+struct amdgpu_bo;
+struct amdgpu_device;
+struct amdgpu_encoder;
+struct amdgpu_router;
+struct amdgpu_hpd;
+
+#define to_amdgpu_crtc(x) container_of(x, struct amdgpu_crtc, base)
+#define to_amdgpu_connector(x) container_of(x, struct amdgpu_connector, base)
+#define to_amdgpu_encoder(x) container_of(x, struct amdgpu_encoder, base)
+#define to_amdgpu_framebuffer(x) container_of(x, struct amdgpu_framebuffer, base)
+
+#define AMDGPU_MAX_HPD_PINS 6
+#define AMDGPU_MAX_CRTCS 6
+#define AMDGPU_MAX_AFMT_BLOCKS 7
+
+enum amdgpu_rmx_type {
+ RMX_OFF,
+ RMX_FULL,
+ RMX_CENTER,
+ RMX_ASPECT
+};
+
+enum amdgpu_underscan_type {
+ UNDERSCAN_OFF,
+ UNDERSCAN_ON,
+ UNDERSCAN_AUTO,
+};
+
+#define AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS 50
+#define AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS 10
+
+enum amdgpu_hpd_id {
+ AMDGPU_HPD_1 = 0,
+ AMDGPU_HPD_2,
+ AMDGPU_HPD_3,
+ AMDGPU_HPD_4,
+ AMDGPU_HPD_5,
+ AMDGPU_HPD_6,
+ AMDGPU_HPD_LAST,
+ AMDGPU_HPD_NONE = 0xff,
+};
+
+enum amdgpu_crtc_irq {
+ AMDGPU_CRTC_IRQ_VBLANK1 = 0,
+ AMDGPU_CRTC_IRQ_VBLANK2,
+ AMDGPU_CRTC_IRQ_VBLANK3,
+ AMDGPU_CRTC_IRQ_VBLANK4,
+ AMDGPU_CRTC_IRQ_VBLANK5,
+ AMDGPU_CRTC_IRQ_VBLANK6,
+ AMDGPU_CRTC_IRQ_VLINE1,
+ AMDGPU_CRTC_IRQ_VLINE2,
+ AMDGPU_CRTC_IRQ_VLINE3,
+ AMDGPU_CRTC_IRQ_VLINE4,
+ AMDGPU_CRTC_IRQ_VLINE5,
+ AMDGPU_CRTC_IRQ_VLINE6,
+ AMDGPU_CRTC_IRQ_LAST,
+ AMDGPU_CRTC_IRQ_NONE = 0xff
+};
+
+enum amdgpu_pageflip_irq {
+ AMDGPU_PAGEFLIP_IRQ_D1 = 0,
+ AMDGPU_PAGEFLIP_IRQ_D2,
+ AMDGPU_PAGEFLIP_IRQ_D3,
+ AMDGPU_PAGEFLIP_IRQ_D4,
+ AMDGPU_PAGEFLIP_IRQ_D5,
+ AMDGPU_PAGEFLIP_IRQ_D6,
+ AMDGPU_PAGEFLIP_IRQ_LAST,
+ AMDGPU_PAGEFLIP_IRQ_NONE = 0xff
+};
+
+enum amdgpu_flip_status {
+ AMDGPU_FLIP_NONE,
+ AMDGPU_FLIP_PENDING,
+ AMDGPU_FLIP_SUBMITTED
+};
+
+#define AMDGPU_MAX_I2C_BUS 16
+
+/* amdgpu gpio-based i2c
+ * 1. "mask" reg and bits
+ * grabs the gpio pins for software use
+ * 0=not held 1=held
+ * 2. "a" reg and bits
+ * output pin value
+ * 0=low 1=high
+ * 3. "en" reg and bits
+ * sets the pin direction
+ * 0=input 1=output
+ * 4. "y" reg and bits
+ * input pin value
+ * 0=low 1=high
+ */
+struct amdgpu_i2c_bus_rec {
+ bool valid;
+ /* id used by atom */
+ uint8_t i2c_id;
+ /* id used by atom */
+ enum amdgpu_hpd_id hpd;
+ /* can be used with hw i2c engine */
+ bool hw_capable;
+ /* uses multi-media i2c engine */
+ bool mm_i2c;
+ /* regs and bits */
+ uint32_t mask_clk_reg;
+ uint32_t mask_data_reg;
+ uint32_t a_clk_reg;
+ uint32_t a_data_reg;
+ uint32_t en_clk_reg;
+ uint32_t en_data_reg;
+ uint32_t y_clk_reg;
+ uint32_t y_data_reg;
+ uint32_t mask_clk_mask;
+ uint32_t mask_data_mask;
+ uint32_t a_clk_mask;
+ uint32_t a_data_mask;
+ uint32_t en_clk_mask;
+ uint32_t en_data_mask;
+ uint32_t y_clk_mask;
+ uint32_t y_data_mask;
+};
+
+#define AMDGPU_MAX_BIOS_CONNECTOR 16
+
+/* pll flags */
+#define AMDGPU_PLL_USE_BIOS_DIVS (1 << 0)
+#define AMDGPU_PLL_NO_ODD_POST_DIV (1 << 1)
+#define AMDGPU_PLL_USE_REF_DIV (1 << 2)
+#define AMDGPU_PLL_LEGACY (1 << 3)
+#define AMDGPU_PLL_PREFER_LOW_REF_DIV (1 << 4)
+#define AMDGPU_PLL_PREFER_HIGH_REF_DIV (1 << 5)
+#define AMDGPU_PLL_PREFER_LOW_FB_DIV (1 << 6)
+#define AMDGPU_PLL_PREFER_HIGH_FB_DIV (1 << 7)
+#define AMDGPU_PLL_PREFER_LOW_POST_DIV (1 << 8)
+#define AMDGPU_PLL_PREFER_HIGH_POST_DIV (1 << 9)
+#define AMDGPU_PLL_USE_FRAC_FB_DIV (1 << 10)
+#define AMDGPU_PLL_PREFER_CLOSEST_LOWER (1 << 11)
+#define AMDGPU_PLL_USE_POST_DIV (1 << 12)
+#define AMDGPU_PLL_IS_LCD (1 << 13)
+#define AMDGPU_PLL_PREFER_MINM_OVER_MAXP (1 << 14)
+
+struct amdgpu_pll {
+ /* reference frequency */
+ uint32_t reference_freq;
+
+ /* fixed dividers */
+ uint32_t reference_div;
+ uint32_t post_div;
+
+ /* pll in/out limits */
+ uint32_t pll_in_min;
+ uint32_t pll_in_max;
+ uint32_t pll_out_min;
+ uint32_t pll_out_max;
+ uint32_t lcd_pll_out_min;
+ uint32_t lcd_pll_out_max;
+ uint32_t best_vco;
+
+ /* divider limits */
+ uint32_t min_ref_div;
+ uint32_t max_ref_div;
+ uint32_t min_post_div;
+ uint32_t max_post_div;
+ uint32_t min_feedback_div;
+ uint32_t max_feedback_div;
+ uint32_t min_frac_feedback_div;
+ uint32_t max_frac_feedback_div;
+
+ /* flags for the current clock */
+ uint32_t flags;
+
+ /* pll id */
+ uint32_t id;
+};
+
+struct amdgpu_i2c_chan {
+ struct i2c_adapter adapter;
+ struct drm_device *dev;
+ struct i2c_algo_bit_data bit;
+ struct amdgpu_i2c_bus_rec rec;
+ struct drm_dp_aux aux;
+ bool has_aux;
+ struct mutex mutex;
+};
+
+struct amdgpu_fbdev;
+
+struct amdgpu_afmt {
+ bool enabled;
+ int offset;
+ bool last_buffer_filled_status;
+ int id;
+ struct amdgpu_audio_pin *pin;
+};
+
+/*
+ * Audio
+ */
+struct amdgpu_audio_pin {
+ int channels;
+ int rate;
+ int bits_per_sample;
+ u8 status_bits;
+ u8 category_code;
+ u32 offset;
+ bool connected;
+ u32 id;
+};
+
+struct amdgpu_audio {
+ bool enabled;
+ struct amdgpu_audio_pin pin[AMDGPU_MAX_AFMT_BLOCKS];
+ int num_pins;
+};
+
+struct amdgpu_mode_mc_save {
+ u32 vga_render_control;
+ u32 vga_hdp_control;
+ bool crtc_enabled[AMDGPU_MAX_CRTCS];
+};
+
+struct amdgpu_display_funcs {
+ /* vga render */
+ void (*set_vga_render_state)(struct amdgpu_device *adev, bool render);
+ /* display watermarks */
+ void (*bandwidth_update)(struct amdgpu_device *adev);
+ /* get frame count */
+ u32 (*vblank_get_counter)(struct amdgpu_device *adev, int crtc);
+ /* wait for vblank */
+ void (*vblank_wait)(struct amdgpu_device *adev, int crtc);
+ /* is dce hung */
+ bool (*is_display_hung)(struct amdgpu_device *adev);
+ /* set backlight level */
+ void (*backlight_set_level)(struct amdgpu_encoder *amdgpu_encoder,
+ u8 level);
+ /* get backlight level */
+ u8 (*backlight_get_level)(struct amdgpu_encoder *amdgpu_encoder);
+ /* hotplug detect */
+ bool (*hpd_sense)(struct amdgpu_device *adev, enum amdgpu_hpd_id hpd);
+ void (*hpd_set_polarity)(struct amdgpu_device *adev,
+ enum amdgpu_hpd_id hpd);
+ u32 (*hpd_get_gpio_reg)(struct amdgpu_device *adev);
+ /* pageflipping */
+ void (*page_flip)(struct amdgpu_device *adev,
+ int crtc_id, u64 crtc_base);
+ int (*page_flip_get_scanoutpos)(struct amdgpu_device *adev, int crtc,
+ u32 *vbl, u32 *position);
+ /* display topology setup */
+ void (*add_encoder)(struct amdgpu_device *adev,
+ uint32_t encoder_enum,
+ uint32_t supported_device,
+ u16 caps);
+ void (*add_connector)(struct amdgpu_device *adev,
+ uint32_t connector_id,
+ uint32_t supported_device,
+ int connector_type,
+ struct amdgpu_i2c_bus_rec *i2c_bus,
+ uint16_t connector_object_id,
+ struct amdgpu_hpd *hpd,
+ struct amdgpu_router *router);
+ void (*stop_mc_access)(struct amdgpu_device *adev,
+ struct amdgpu_mode_mc_save *save);
+ void (*resume_mc_access)(struct amdgpu_device *adev,
+ struct amdgpu_mode_mc_save *save);
+};
+
+struct amdgpu_mode_info {
+ struct atom_context *atom_context;
+ struct card_info *atom_card_info;
+ bool mode_config_initialized;
+ struct amdgpu_crtc *crtcs[6];
+ struct amdgpu_afmt *afmt[7];
+ /* DVI-I properties */
+ struct drm_property *coherent_mode_property;
+ /* DAC enable load detect */
+ struct drm_property *load_detect_property;
+ /* underscan */
+ struct drm_property *underscan_property;
+ struct drm_property *underscan_hborder_property;
+ struct drm_property *underscan_vborder_property;
+ /* audio */
+ struct drm_property *audio_property;
+ /* FMT dithering */
+ struct drm_property *dither_property;
+ /* hardcoded DFP edid from BIOS */
+ struct edid *bios_hardcoded_edid;
+ int bios_hardcoded_edid_size;
+
+ /* pointer to fbdev info structure */
+ struct amdgpu_fbdev *rfbdev;
+ /* firmware flags */
+ u16 firmware_flags;
+ /* pointer to backlight encoder */
+ struct amdgpu_encoder *bl_encoder;
+ struct amdgpu_audio audio; /* audio stuff */
+ int num_crtc; /* number of crtcs */
+ int num_hpd; /* number of hpd pins */
+ int num_dig; /* number of dig blocks */
+ int disp_priority;
+ const struct amdgpu_display_funcs *funcs;
+};
+
+#define AMDGPU_MAX_BL_LEVEL 0xFF
+
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+
+struct amdgpu_backlight_privdata {
+ struct amdgpu_encoder *encoder;
+ uint8_t negative;
+};
+
+#endif
+
+struct amdgpu_atom_ss {
+ uint16_t percentage;
+ uint16_t percentage_divider;
+ uint8_t type;
+ uint16_t step;
+ uint8_t delay;
+ uint8_t range;
+ uint8_t refdiv;
+ /* asic_ss */
+ uint16_t rate;
+ uint16_t amount;
+};
+
+struct amdgpu_crtc {
+ struct drm_crtc base;
+ int crtc_id;
+ u16 lut_r[256], lut_g[256], lut_b[256];
+ bool enabled;
+ bool can_tile;
+ uint32_t crtc_offset;
+ struct drm_gem_object *cursor_bo;
+ uint64_t cursor_addr;
+ int cursor_width;
+ int cursor_height;
+ int max_cursor_width;
+ int max_cursor_height;
+ enum amdgpu_rmx_type rmx_type;
+ u8 h_border;
+ u8 v_border;
+ fixed20_12 vsc;
+ fixed20_12 hsc;
+ struct drm_display_mode native_mode;
+ u32 pll_id;
+ /* page flipping */
+ struct workqueue_struct *pflip_queue;
+ struct amdgpu_flip_work *pflip_works;
+ enum amdgpu_flip_status pflip_status;
+ int deferred_flip_completion;
+ /* pll sharing */
+ struct amdgpu_atom_ss ss;
+ bool ss_enabled;
+ u32 adjusted_clock;
+ int bpc;
+ u32 pll_reference_div;
+ u32 pll_post_div;
+ u32 pll_flags;
+ struct drm_encoder *encoder;
+ struct drm_connector *connector;
+ /* for dpm */
+ u32 line_time;
+ u32 wm_low;
+ u32 wm_high;
+ struct drm_display_mode hw_mode;
+};
+
+struct amdgpu_encoder_atom_dig {
+ bool linkb;
+ /* atom dig */
+ bool coherent_mode;
+ int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
+ /* atom lvds/edp */
+ uint32_t lcd_misc;
+ uint16_t panel_pwr_delay;
+ uint32_t lcd_ss_id;
+ /* panel mode */
+ struct drm_display_mode native_mode;
+ struct backlight_device *bl_dev;
+ int dpms_mode;
+ uint8_t backlight_level;
+ int panel_mode;
+ struct amdgpu_afmt *afmt;
+};
+
+struct amdgpu_encoder {
+ struct drm_encoder base;
+ uint32_t encoder_enum;
+ uint32_t encoder_id;
+ uint32_t devices;
+ uint32_t active_device;
+ uint32_t flags;
+ uint32_t pixel_clock;
+ enum amdgpu_rmx_type rmx_type;
+ enum amdgpu_underscan_type underscan_type;
+ uint32_t underscan_hborder;
+ uint32_t underscan_vborder;
+ struct drm_display_mode native_mode;
+ void *enc_priv;
+ int audio_polling_active;
+ bool is_ext_encoder;
+ u16 caps;
+};
+
+struct amdgpu_connector_atom_dig {
+ /* displayport */
+ u8 dpcd[DP_RECEIVER_CAP_SIZE];
+ u8 dp_sink_type;
+ int dp_clock;
+ int dp_lane_count;
+ bool edp_on;
+};
+
+struct amdgpu_gpio_rec {
+ bool valid;
+ u8 id;
+ u32 reg;
+ u32 mask;
+ u32 shift;
+};
+
+struct amdgpu_hpd {
+ enum amdgpu_hpd_id hpd;
+ u8 plugged_state;
+ struct amdgpu_gpio_rec gpio;
+};
+
+struct amdgpu_router {
+ u32 router_id;
+ struct amdgpu_i2c_bus_rec i2c_info;
+ u8 i2c_addr;
+ /* i2c mux */
+ bool ddc_valid;
+ u8 ddc_mux_type;
+ u8 ddc_mux_control_pin;
+ u8 ddc_mux_state;
+ /* clock/data mux */
+ bool cd_valid;
+ u8 cd_mux_type;
+ u8 cd_mux_control_pin;
+ u8 cd_mux_state;
+};
+
+enum amdgpu_connector_audio {
+ AMDGPU_AUDIO_DISABLE = 0,
+ AMDGPU_AUDIO_ENABLE = 1,
+ AMDGPU_AUDIO_AUTO = 2
+};
+
+enum amdgpu_connector_dither {
+ AMDGPU_FMT_DITHER_DISABLE = 0,
+ AMDGPU_FMT_DITHER_ENABLE = 1,
+};
+
+struct amdgpu_connector {
+ struct drm_connector base;
+ uint32_t connector_id;
+ uint32_t devices;
+ struct amdgpu_i2c_chan *ddc_bus;
+ /* some systems have an hdmi and vga port with a shared ddc line */
+ bool shared_ddc;
+ bool use_digital;
+ /* we need to mind the EDID between detect
+ and get modes due to analog/digital/tvencoder */
+ struct edid *edid;
+ void *con_priv;
+ bool dac_load_detect;
+ bool detected_by_load; /* if the connection status was determined by load */
+ uint16_t connector_object_id;
+ struct amdgpu_hpd hpd;
+ struct amdgpu_router router;
+ struct amdgpu_i2c_chan *router_bus;
+ enum amdgpu_connector_audio audio;
+ enum amdgpu_connector_dither dither;
+ unsigned pixelclock_for_modeset;
+};
+
+struct amdgpu_framebuffer {
+ struct drm_framebuffer base;
+ struct drm_gem_object *obj;
+};
+
+#define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
+ ((em) == ATOM_ENCODER_MODE_DP_MST))
+
+void amdgpu_link_encoder_connector(struct drm_device *dev);
+
+struct drm_connector *
+amdgpu_get_connector_for_encoder(struct drm_encoder *encoder);
+struct drm_connector *
+amdgpu_get_connector_for_encoder_init(struct drm_encoder *encoder);
+bool amdgpu_dig_monitor_is_duallink(struct drm_encoder *encoder,
+ u32 pixel_clock);
+
+u16 amdgpu_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
+struct drm_encoder *amdgpu_get_external_encoder(struct drm_encoder *encoder);
+
+bool amdgpu_ddc_probe(struct amdgpu_connector *amdgpu_connector, bool use_aux);
+
+void amdgpu_encoder_set_active_device(struct drm_encoder *encoder);
+
+int amdgpu_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
+ unsigned int flags,
+ int *vpos, int *hpos, ktime_t *stime,
+ ktime_t *etime);
+
+int amdgpu_framebuffer_init(struct drm_device *dev,
+ struct amdgpu_framebuffer *rfb,
+ struct drm_mode_fb_cmd2 *mode_cmd,
+ struct drm_gem_object *obj);
+
+int amdgpufb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
+
+void amdgpu_enc_destroy(struct drm_encoder *encoder);
+void amdgpu_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
+bool amdgpu_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+void amdgpu_panel_mode_fixup(struct drm_encoder *encoder,
+ struct drm_display_mode *adjusted_mode);
+int amdgpu_crtc_idx_to_irq_type(struct amdgpu_device *adev, int crtc);
+
+/* fbdev layer */
+int amdgpu_fbdev_init(struct amdgpu_device *adev);
+void amdgpu_fbdev_fini(struct amdgpu_device *adev);
+void amdgpu_fbdev_set_suspend(struct amdgpu_device *adev, int state);
+int amdgpu_fbdev_total_size(struct amdgpu_device *adev);
+bool amdgpu_fbdev_robj_is_fb(struct amdgpu_device *adev, struct amdgpu_bo *robj);
+
+void amdgpu_fb_output_poll_changed(struct amdgpu_device *adev);
+
+
+int amdgpu_align_pitch(struct amdgpu_device *adev, int width, int bpp, bool tiled);
+
+/* amdgpu_display.c */
+void amdgpu_print_display_setup(struct drm_device *dev);
+int amdgpu_modeset_create_props(struct amdgpu_device *adev);
+int amdgpu_crtc_set_config(struct drm_mode_set *set);
+int amdgpu_crtc_page_flip(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event,
+ uint32_t page_flip_flags);
+extern const struct drm_mode_config_funcs amdgpu_mode_funcs;
+
+#endif