diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.h | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h new file mode 100644 index 000000000000..ee6b8194a459 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -0,0 +1,361 @@ +/* + * Copyright © 2006-2017 Intel Corporation + * + * 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 (including the next + * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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. + * + */ + +#ifndef _INTEL_DISPLAY_H_ +#define _INTEL_DISPLAY_H_ + +#include <drm/drm_util.h> +#include <drm/i915_drm.h> + +struct drm_i915_private; +struct intel_plane_state; + +enum i915_gpio { + GPIOA, + GPIOB, + GPIOC, + GPIOD, + GPIOE, + GPIOF, + GPIOG, + GPIOH, + __GPIOI_UNUSED, + GPIOJ, + GPIOK, + GPIOL, + GPIOM, +}; + +/* + * Keep the pipe enum values fixed: the code assumes that PIPE_A=0, the + * rest have consecutive values and match the enum values of transcoders + * with a 1:1 transcoder -> pipe mapping. + */ +enum pipe { + INVALID_PIPE = -1, + + PIPE_A = 0, + PIPE_B, + PIPE_C, + _PIPE_EDP, + + I915_MAX_PIPES = _PIPE_EDP +}; + +#define pipe_name(p) ((p) + 'A') + +enum transcoder { + /* + * The following transcoders have a 1:1 transcoder -> pipe mapping, + * keep their values fixed: the code assumes that TRANSCODER_A=0, the + * rest have consecutive values and match the enum values of the pipes + * they map to. + */ + TRANSCODER_A = PIPE_A, + TRANSCODER_B = PIPE_B, + TRANSCODER_C = PIPE_C, + + /* + * The following transcoders can map to any pipe, their enum value + * doesn't need to stay fixed. + */ + TRANSCODER_EDP, + TRANSCODER_DSI_0, + TRANSCODER_DSI_1, + TRANSCODER_DSI_A = TRANSCODER_DSI_0, /* legacy DSI */ + TRANSCODER_DSI_C = TRANSCODER_DSI_1, /* legacy DSI */ + + I915_MAX_TRANSCODERS +}; + +static inline const char *transcoder_name(enum transcoder transcoder) +{ + switch (transcoder) { + case TRANSCODER_A: + return "A"; + case TRANSCODER_B: + return "B"; + case TRANSCODER_C: + return "C"; + case TRANSCODER_EDP: + return "EDP"; + case TRANSCODER_DSI_A: + return "DSI A"; + case TRANSCODER_DSI_C: + return "DSI C"; + default: + return "<invalid>"; + } +} + +static inline bool transcoder_is_dsi(enum transcoder transcoder) +{ + return transcoder == TRANSCODER_DSI_A || transcoder == TRANSCODER_DSI_C; +} + +/* + * Global legacy plane identifier. Valid only for primary/sprite + * planes on pre-g4x, and only for primary planes on g4x-bdw. + */ +enum i9xx_plane_id { + PLANE_A, + PLANE_B, + PLANE_C, +}; + +#define plane_name(p) ((p) + 'A') +#define sprite_name(p, s) ((p) * RUNTIME_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A') + +/* + * Per-pipe plane identifier. + * I915_MAX_PLANES in the enum below is the maximum (across all platforms) + * number of planes per CRTC. Not all platforms really have this many planes, + * which means some arrays of size I915_MAX_PLANES may have unused entries + * between the topmost sprite plane and the cursor plane. + * + * This is expected to be passed to various register macros + * (eg. PLANE_CTL(), PS_PLANE_SEL(), etc.) so adjust with care. + */ +enum plane_id { + PLANE_PRIMARY, + PLANE_SPRITE0, + PLANE_SPRITE1, + PLANE_SPRITE2, + PLANE_SPRITE3, + PLANE_SPRITE4, + PLANE_SPRITE5, + PLANE_CURSOR, + + I915_MAX_PLANES, +}; + +#define for_each_plane_id_on_crtc(__crtc, __p) \ + for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \ + for_each_if((__crtc)->plane_ids_mask & BIT(__p)) + +/* + * Ports identifier referenced from other drivers. + * Expected to remain stable over time + */ +static inline const char *port_identifier(enum port port) +{ + switch (port) { + case PORT_A: + return "Port A"; + case PORT_B: + return "Port B"; + case PORT_C: + return "Port C"; + case PORT_D: + return "Port D"; + case PORT_E: + return "Port E"; + case PORT_F: + return "Port F"; + default: + return "<invalid>"; + } +} + +enum tc_port { + PORT_TC_NONE = -1, + + PORT_TC1 = 0, + PORT_TC2, + PORT_TC3, + PORT_TC4, + + I915_MAX_TC_PORTS +}; + +enum tc_port_type { + TC_PORT_UNKNOWN = 0, + TC_PORT_TYPEC, + TC_PORT_TBT, + TC_PORT_LEGACY, +}; + +enum dpio_channel { + DPIO_CH0, + DPIO_CH1 +}; + +enum dpio_phy { + DPIO_PHY0, + DPIO_PHY1, + DPIO_PHY2, +}; + +#define I915_NUM_PHYS_VLV 2 + +enum aux_ch { + AUX_CH_A, + AUX_CH_B, + AUX_CH_C, + AUX_CH_D, + AUX_CH_E, /* ICL+ */ + AUX_CH_F, +}; + +#define aux_ch_name(a) ((a) + 'A') + +/* Used by dp and fdi links */ +struct intel_link_m_n { + u32 tu; + u32 gmch_m; + u32 gmch_n; + u32 link_m; + u32 link_n; +}; + +#define for_each_pipe(__dev_priv, __p) \ + for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++) + +#define for_each_pipe_masked(__dev_priv, __p, __mask) \ + for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++) \ + for_each_if((__mask) & BIT(__p)) + +#define for_each_cpu_transcoder_masked(__dev_priv, __t, __mask) \ + for ((__t) = 0; (__t) < I915_MAX_TRANSCODERS; (__t)++) \ + for_each_if ((__mask) & (1 << (__t))) + +#define for_each_universal_plane(__dev_priv, __pipe, __p) \ + for ((__p) = 0; \ + (__p) < RUNTIME_INFO(__dev_priv)->num_sprites[(__pipe)] + 1; \ + (__p)++) + +#define for_each_sprite(__dev_priv, __p, __s) \ + for ((__s) = 0; \ + (__s) < RUNTIME_INFO(__dev_priv)->num_sprites[(__p)]; \ + (__s)++) + +#define for_each_port_masked(__port, __ports_mask) \ + for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) \ + for_each_if((__ports_mask) & BIT(__port)) + +#define for_each_crtc(dev, crtc) \ + list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head) + +#define for_each_intel_plane(dev, intel_plane) \ + list_for_each_entry(intel_plane, \ + &(dev)->mode_config.plane_list, \ + base.head) + +#define for_each_intel_plane_mask(dev, intel_plane, plane_mask) \ + list_for_each_entry(intel_plane, \ + &(dev)->mode_config.plane_list, \ + base.head) \ + for_each_if((plane_mask) & \ + drm_plane_mask(&intel_plane->base))) + +#define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) \ + list_for_each_entry(intel_plane, \ + &(dev)->mode_config.plane_list, \ + base.head) \ + for_each_if((intel_plane)->pipe == (intel_crtc)->pipe) + +#define for_each_intel_crtc(dev, intel_crtc) \ + list_for_each_entry(intel_crtc, \ + &(dev)->mode_config.crtc_list, \ + base.head) + +#define for_each_intel_crtc_mask(dev, intel_crtc, crtc_mask) \ + list_for_each_entry(intel_crtc, \ + &(dev)->mode_config.crtc_list, \ + base.head) \ + for_each_if((crtc_mask) & drm_crtc_mask(&intel_crtc->base)) + +#define for_each_intel_encoder(dev, intel_encoder) \ + list_for_each_entry(intel_encoder, \ + &(dev)->mode_config.encoder_list, \ + base.head) + +#define for_each_intel_dp(dev, intel_encoder) \ + for_each_intel_encoder(dev, intel_encoder) \ + for_each_if(intel_encoder_is_dp(intel_encoder)) + +#define for_each_intel_connector_iter(intel_connector, iter) \ + while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter)))) + +#define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \ + list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \ + for_each_if((intel_encoder)->base.crtc == (__crtc)) + +#define for_each_connector_on_encoder(dev, __encoder, intel_connector) \ + list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \ + for_each_if((intel_connector)->base.encoder == (__encoder)) + +#define for_each_old_intel_plane_in_state(__state, plane, old_plane_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_total_plane && \ + ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ + (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), 1); \ + (__i)++) \ + for_each_if(plane) + +#define for_each_new_intel_plane_in_state(__state, plane, new_plane_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_total_plane && \ + ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ + (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \ + (__i)++) \ + for_each_if(plane) + +#define for_each_new_intel_crtc_in_state(__state, crtc, new_crtc_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_crtc && \ + ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ + (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ + (__i)++) \ + for_each_if(crtc) + +#define for_each_oldnew_intel_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_total_plane && \ + ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ + (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), \ + (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \ + (__i)++) \ + for_each_if(plane) + +#define for_each_oldnew_intel_crtc_in_state(__state, crtc, old_crtc_state, new_crtc_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_crtc && \ + ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ + (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \ + (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ + (__i)++) \ + for_each_if(crtc) + +void intel_link_compute_m_n(u16 bpp, int nlanes, + int pixel_clock, int link_clock, + struct intel_link_m_n *m_n, + bool constant_n); +bool is_ccs_modifier(u64 modifier); +void lpt_disable_clkout_dp(struct drm_i915_private *dev_priv); +u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, + u32 pixel_format, u64 modifier); +bool intel_plane_can_remap(const struct intel_plane_state *plane_state); + +#endif |