OpenCloudOS-Kernel/drivers/gpu/drm/i915/intel_display.h

342 lines
10 KiB
C

/*
* 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_
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 {
TRANSCODER_A = 0,
TRANSCODER_B,
TRANSCODER_C,
TRANSCODER_EDP,
TRANSCODER_DSI_A,
TRANSCODER_DSI_C,
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) * INTEL_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_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))
enum port {
PORT_NONE = -1,
PORT_A = 0,
PORT_B,
PORT_C,
PORT_D,
PORT_E,
PORT_F,
I915_MAX_PORTS
};
#define port_name(p) ((p) + 'A')
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, /* does not exist */
AUX_CH_F,
};
#define aux_ch_name(a) ((a) + 'A')
enum intel_display_power_domain {
POWER_DOMAIN_PIPE_A,
POWER_DOMAIN_PIPE_B,
POWER_DOMAIN_PIPE_C,
POWER_DOMAIN_PIPE_A_PANEL_FITTER,
POWER_DOMAIN_PIPE_B_PANEL_FITTER,
POWER_DOMAIN_PIPE_C_PANEL_FITTER,
POWER_DOMAIN_TRANSCODER_A,
POWER_DOMAIN_TRANSCODER_B,
POWER_DOMAIN_TRANSCODER_C,
POWER_DOMAIN_TRANSCODER_EDP,
POWER_DOMAIN_TRANSCODER_DSI_A,
POWER_DOMAIN_TRANSCODER_DSI_C,
POWER_DOMAIN_PORT_DDI_A_LANES,
POWER_DOMAIN_PORT_DDI_B_LANES,
POWER_DOMAIN_PORT_DDI_C_LANES,
POWER_DOMAIN_PORT_DDI_D_LANES,
POWER_DOMAIN_PORT_DDI_E_LANES,
POWER_DOMAIN_PORT_DDI_F_LANES,
POWER_DOMAIN_PORT_DDI_A_IO,
POWER_DOMAIN_PORT_DDI_B_IO,
POWER_DOMAIN_PORT_DDI_C_IO,
POWER_DOMAIN_PORT_DDI_D_IO,
POWER_DOMAIN_PORT_DDI_E_IO,
POWER_DOMAIN_PORT_DDI_F_IO,
POWER_DOMAIN_PORT_DSI,
POWER_DOMAIN_PORT_CRT,
POWER_DOMAIN_PORT_OTHER,
POWER_DOMAIN_VGA,
POWER_DOMAIN_AUDIO,
POWER_DOMAIN_PLLS,
POWER_DOMAIN_AUX_A,
POWER_DOMAIN_AUX_B,
POWER_DOMAIN_AUX_C,
POWER_DOMAIN_AUX_D,
POWER_DOMAIN_AUX_F,
POWER_DOMAIN_AUX_IO_A,
POWER_DOMAIN_GMBUS,
POWER_DOMAIN_MODESET,
POWER_DOMAIN_GT_IRQ,
POWER_DOMAIN_INIT,
POWER_DOMAIN_NUM,
};
#define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A)
#define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \
((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER)
#define POWER_DOMAIN_TRANSCODER(tran) \
((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \
(tran) + POWER_DOMAIN_TRANSCODER_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) < INTEL_INFO(__dev_priv)->num_sprites[(__pipe)] + 1; \
(__p)++)
#define for_each_sprite(__dev_priv, __p, __s) \
for ((__s) = 0; \
(__s) < INTEL_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) & \
BIT(drm_plane_index(&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) & BIT(drm_crtc_index(&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_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_power_domain(domain, mask) \
for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \
for_each_if(BIT_ULL(domain) & (mask))
#define for_each_power_well(__dev_priv, __power_well) \
for ((__power_well) = (__dev_priv)->power_domains.power_wells; \
(__power_well) - (__dev_priv)->power_domains.power_wells < \
(__dev_priv)->power_domains.power_well_count; \
(__power_well)++)
#define for_each_power_well_rev(__dev_priv, __power_well) \
for ((__power_well) = (__dev_priv)->power_domains.power_wells + \
(__dev_priv)->power_domains.power_well_count - 1; \
(__power_well) - (__dev_priv)->power_domains.power_wells >= 0; \
(__power_well)--)
#define for_each_power_domain_well(__dev_priv, __power_well, __domain_mask) \
for_each_power_well(__dev_priv, __power_well) \
for_each_if((__power_well)->domains & (__domain_mask))
#define for_each_power_domain_well_rev(__dev_priv, __power_well, __domain_mask) \
for_each_power_well_rev(__dev_priv, __power_well) \
for_each_if((__power_well)->domains & (__domain_mask))
#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)
void intel_link_compute_m_n(int bpp, int nlanes,
int pixel_clock, int link_clock,
struct intel_link_m_n *m_n,
bool reduce_m_n);
#endif