/*
* Copyright (C) 2014-2015 The Linux Foundation. All rights reserved.
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <drm/drm_print.h>
#include "mdp5_kms.h"
struct mdp5_plane {
struct drm_plane base;
const char *name;
enum mdp5_pipe pipe;
spinlock_t pipe_lock; /* protect REG_MDP5_PIPE_* registers */
uint32_t reg_offset;
uint32_t caps;
uint32_t flush_mask; /* used to commit pipe registers */
uint32_t nformats;
uint32_t formats[32];
};
#define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base)
static int mdp5_plane_mode_set(struct drm_plane *plane,
struct drm_crtc *crtc, struct drm_framebuffer *fb,
int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h);
static void set_scanout_locked(struct drm_plane *plane,
struct drm_framebuffer *fb);
static struct mdp5_kms *get_kms(struct drm_plane *plane)
{
struct msm_drm_private *priv = plane->dev->dev_private;
return to_mdp5_kms(to_mdp_kms(priv->kms));
}
static bool plane_enabled(struct drm_plane_state *state)
{
return state->fb && state->crtc;
}
static void mdp5_plane_destroy(struct drm_plane *plane)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
drm_plane_helper_disable(plane);
drm_plane_cleanup(plane);
kfree(mdp5_plane);
}
static void mdp5_plane_install_rotation_property(struct drm_device *dev,
struct drm_plane *plane)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
if (!(mdp5_plane->caps & MDP_PIPE_CAP_HFLIP) &&
!(mdp5_plane->caps & MDP_PIPE_CAP_VFLIP))
return;
drm_plane_create_rotation_property(plane,
DRM_ROTATE_0,
DRM_ROTATE_0 |
DRM_ROTATE_180 |
DRM_REFLECT_X |
DRM_REFLECT_Y);
}
/* helper to install properties which are common to planes and crtcs */
static void mdp5_plane_install_properties(struct drm_plane *plane,
struct drm_mode_object *obj)
{
struct drm_device *dev = plane->dev;
struct msm_drm_private *dev_priv = dev->dev_private;
struct drm_property *prop;
#define INSTALL_PROPERTY(name, NAME, init_val, fnc, ...) do { \
prop = dev_priv->plane_property[PLANE_PROP_##NAME]; \
if (!prop) { \
prop = drm_property_##fnc(dev, 0, #name, \
##__VA_ARGS__); \
if (!prop) { \
dev_warn(dev->dev, \
"Create property %s failed\n", \
#name); \
return; \
} \
dev_priv->plane_property[PLANE_PROP_##NAME] = prop; \
} \
drm_object_attach_property(&plane->base, prop, init_val); \
} while (0)
#define INSTALL_RANGE_PROPERTY(name, NAME, min, max, init_val) \
INSTALL_PROPERTY(name, NAME, init_val, \
create_range, min, max)
#define INSTALL_ENUM_PROPERTY(name, NAME, init_val) \
INSTALL_PROPERTY(name, NAME, init_val, \
create_enum, name##_prop_enum_list, \
ARRAY_SIZE(name##_prop_enum_list))
INSTALL_RANGE_PROPERTY(zpos, ZPOS, 1, 255, 1);
mdp5_plane_install_rotation_property(dev, plane);
#undef INSTALL_RANGE_PROPERTY
#undef INSTALL_ENUM_PROPERTY
#undef INSTALL_PROPERTY
}
static int mdp5_plane_atomic_set_property(struct drm_plane *plane,
struct drm_plane_state *state, struct drm_property *property,
uint64_t val)
{
struct drm_device *dev = plane->dev;
struct mdp5_plane_state *pstate;
struct msm_drm_private *dev_priv = dev->dev_private;
int ret = 0;
pstate = to_mdp5_plane_state(state);
#define SET_PROPERTY(name, NAME, type) do { \
if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \
pstate->name = (type)val; \
DBG("Set property %s %d", #name, (type)val); \
goto done; \
} \
} while (0)
SET_PROPERTY(zpos, ZPOS, uint8_t);
dev_err(dev->dev, "Invalid property\n");
ret = -EINVAL;
done:
return ret;
#undef SET_PROPERTY
}
static int mdp5_plane_atomic_get_property(struct drm_plane *plane,
const struct drm_plane_state *state,
struct drm_property *property, uint64_t *val)
{
struct drm_device *dev = plane->dev;
struct mdp5_plane_state *pstate;
struct msm_drm_private *dev_priv = dev->dev_private;
int ret = 0;
pstate = to_mdp5_plane_state(state);
#define GET_PROPERTY(name, NAME, type) do { \
if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \
*val = pstate->name; \
DBG("Get property %s %lld", #name, *val); \
goto done; \
} \
} while (0)
GET_PROPERTY(zpos, ZPOS, uint8_t);
dev_err(dev->dev, "Invalid property\n");
ret = -EINVAL;
done:
return ret;
#undef SET_PROPERTY
}
static void
mdp5_plane_atomic_print_state(struct drm_printer *p,
const struct drm_plane_state *state)
{
struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
drm_printf(p, "\tpremultiplied=%u\n", pstate->premultiplied);
drm_printf(p, "\tzpos=%u\n", pstate->zpos);
drm_printf(p, "\talpha=%u\n", pstate->alpha);
drm_printf(p, "\tstage=%s\n", stage2name(pstate->stage));
drm_printf(p, "\tmode_changed=%u\n", pstate->mode_changed);
drm_printf(p, "\tpending=%u\n", pstate->pending);
}
static void mdp5_plane_reset(struct drm_plane *plane)
{
struct mdp5_plane_state *mdp5_state;
if (plane->state && plane->state->fb)
drm_framebuffer_unreference(plane->state->fb);
kfree(to_mdp5_plane_state(plane->state));
mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
/* assign default blend parameters */
mdp5_state->alpha = 255;
mdp5_state->premultiplied = 0;
if (plane->type == DRM_PLANE_TYPE_PRIMARY)
mdp5_state->zpos = STAGE_BASE;
else
mdp5_state->zpos = STAGE0 + drm_plane_index(plane);
mdp5_state->base.plane = plane;
plane->state = &mdp5_state->base;
}
static struct drm_plane_state *
mdp5_plane_duplicate_state(struct drm_plane *plane)
{
struct mdp5_plane_state *mdp5_state;
if (WARN_ON(!plane->state))
return NULL;
mdp5_state = kmemdup(to_mdp5_plane_state(plane->state),
sizeof(*mdp5_state), GFP_KERNEL);
if (mdp5_state && mdp5_state->base.fb)
drm_framebuffer_reference(mdp5_state->base.fb);
mdp5_state->mode_changed = false;
mdp5_state->pending = false;
return &mdp5_state->base;
}
static void mdp5_plane_destroy_state(struct drm_plane *plane,
struct drm_plane_state *state)
{
if (state->fb)
drm_framebuffer_unreference(state->fb);
kfree(to_mdp5_plane_state(state));
}
static const struct drm_plane_funcs mdp5_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = mdp5_plane_destroy,
.set_property = drm_atomic_helper_plane_set_property,
.atomic_set_property = mdp5_plane_atomic_set_property,
.atomic_get_property = mdp5_plane_atomic_get_property,
.reset = mdp5_plane_reset,
.atomic_duplicate_state = mdp5_plane_duplicate_state,
.atomic_destroy_state = mdp5_plane_destroy_state,
.atomic_print_state = mdp5_plane_atomic_print_state,
};
static int mdp5_plane_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *new_state)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
struct mdp5_kms *mdp5_kms = get_kms(plane);
struct drm_framebuffer *fb = new_state->fb;
if (!new_state->fb)
return 0;
DBG("%s: prepare: FB[%u]", mdp5_plane->name, fb->base.id);
return msm_framebuffer_prepare(fb, mdp5_kms->id);
}
static void mdp5_plane_cleanup_fb(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
struct mdp5_kms *mdp5_kms = get_kms(plane);
struct drm_framebuffer *fb = old_state->fb;
if (!fb)
return;
DBG("%s: cleanup: FB[%u]", mdp5_plane->name, fb->base.id);
msm_framebuffer_cleanup(fb, mdp5_kms->id);
}
static int mdp5_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
struct drm_plane_state *old_state = plane->state;
const struct mdp_format *format;
bool vflip, hflip;
DBG("%s: check (%d -> %d)", mdp5_plane->name,
plane_enabled(old_state), plane_enabled(state));
if (plane_enabled(state)) {
unsigned int rotation;
format = to_mdp_format(msm_framebuffer_format(state->fb));
if (MDP_FORMAT_IS_YUV(format) &&
!pipe_supports_yuv(mdp5_plane->caps)) {
DBG("Pipe doesn't support YUV\n");
return -EINVAL;
}
if (!(mdp5_plane->caps & MDP_PIPE_CAP_SCALE) &&
(((state->src_w >> 16) != state->crtc_w) ||
((state->src_h >> 16) != state->crtc_h))) {
DBG("Pipe doesn't support scaling (%dx%d -> %dx%d)\n",
state->src_w >> 16, state->src_h >> 16,
state->crtc_w, state->crtc_h);
return -EINVAL;
}
rotation = drm_rotation_simplify(state->rotation,
DRM_ROTATE_0 |
DRM_REFLECT_X |
DRM_REFLECT_Y);
hflip = !!(rotation & DRM_REFLECT_X);
vflip = !!(rotation & DRM_REFLECT_Y);
if ((vflip && !(mdp5_plane->caps & MDP_PIPE_CAP_VFLIP)) ||
(hflip && !(mdp5_plane->caps & MDP_PIPE_CAP_HFLIP))) {
DBG("Pipe doesn't support flip\n");
return -EINVAL;
}
}
if (plane_enabled(state) && plane_enabled(old_state)) {
/* we cannot change SMP block configuration during scanout: */
bool full_modeset = false;
if (state->fb->pixel_format != old_state->fb->pixel_format) {
DBG("%s: pixel_format change!", mdp5_plane->name);
full_modeset = true;
}
if (state->src_w != old_state->src_w) {
DBG("%s: src_w change!", mdp5_plane->name);
full_modeset = true;
}
if (to_mdp5_plane_state(old_state)->pending) {
DBG("%s: still pending!", mdp5_plane->name);
full_modeset = true;
}
if (full_modeset) {
struct drm_crtc_state *crtc_state =
drm_atomic_get_crtc_state(state->state, state->crtc);
crtc_state->mode_changed = true;
to_mdp5_plane_state(state)->mode_changed = true;
}
} else {
to_mdp5_plane_state(state)->mode_changed = true;
}
return 0;
}
static void mdp5_plane_atomic_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
struct drm_plane_state *state = plane->state;
DBG("%s: update", mdp5_plane->name);
if (!plane_enabled(state)) {
to_mdp5_plane_state(state)->pending = true;
} else if (to_mdp5_plane_state(state)->mode_changed) {
int ret;
to_mdp5_plane_state(state)->pending = true;
ret = mdp5_plane_mode_set(plane,
state->crtc, state->fb,
state->crtc_x, state->crtc_y,
state->crtc_w, state->crtc_h,
state->src_x, state->src_y,
state->src_w, state->src_h);
/* atomic_check should have ensured that this doesn't fail */
WARN_ON(ret < 0);
} else {
unsigned long flags;
spin_lock_irqsave(&mdp5_plane->pipe_lock, flags);
set_scanout_locked(plane, state->fb);
spin_unlock_irqrestore(&mdp5_plane->pipe_lock, flags);
}
}
static const struct drm_plane_helper_funcs mdp5_plane_helper_funcs = {
.prepare_fb = mdp5_plane_prepare_fb,
.cleanup_fb = mdp5_plane_cleanup_fb,
.atomic_check = mdp5_plane_atomic_check,
.atomic_update = mdp5_plane_atomic_update,
};
static void set_scanout_locked(struct drm_plane *plane,
struct drm_framebuffer *fb)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
struct mdp5_kms *mdp5_kms = get_kms(plane);
enum mdp5_pipe pipe = mdp5_plane->pipe;
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_A(pipe),
MDP5_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
MDP5_PIPE_SRC_STRIDE_A_P1(fb->pitches[1]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_B(pipe),
MDP5_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
MDP5_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC0_ADDR(pipe),
msm_framebuffer_iova(fb, mdp5_kms->id, 0));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC1_ADDR(pipe),
msm_framebuffer_iova(fb, mdp5_kms->id, 1));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC2_ADDR(pipe),
msm_framebuffer_iova(fb, mdp5_kms->id, 2));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC3_ADDR(pipe),
msm_framebuffer_iova(fb, mdp5_kms->id, 3));
plane->fb = fb;
}
/* Note: mdp5_plane->pipe_lock must be locked */
static void csc_disable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe)
{
uint32_t value = mdp5_read(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe)) &
~MDP5_PIPE_OP_MODE_CSC_1_EN;
mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), value);
}
/* Note: mdp5_plane->pipe_lock must be locked */
static void csc_enable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
struct csc_cfg *csc)
{
uint32_t i, mode = 0; /* RGB, no CSC */
uint32_t *matrix;
if (unlikely(!csc))
return;
if ((csc->type == CSC_YUV2RGB) || (CSC_YUV2YUV == csc->type))
mode |= MDP5_PIPE_OP_MODE_CSC_SRC_DATA_FORMAT(DATA_FORMAT_YUV);
if ((csc->type == CSC_RGB2YUV) || (CSC_YUV2YUV == csc->type))
mode |= MDP5_PIPE_OP_MODE_CSC_DST_DATA_FORMAT(DATA_FORMAT_YUV);
mode |= MDP5_PIPE_OP_MODE_CSC_1_EN;
mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), mode);
matrix = csc->matrix;
mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_0(pipe),
MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_11(matrix[0]) |
MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_12(matrix[1]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_1(pipe),
MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_13(matrix[2]) |
MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_21(matrix[3]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_2(pipe),
MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_22(matrix[4]) |
MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_23(matrix[5]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_3(pipe),
MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_31(matrix[6]) |
MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_32(matrix[7]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_4(pipe),
MDP5_PIPE_CSC_1_MATRIX_COEFF_4_COEFF_33(matrix[8]));
for (i = 0; i < ARRAY_SIZE(csc->pre_bias); i++) {
uint32_t *pre_clamp = csc->pre_clamp;
uint32_t *post_clamp = csc->post_clamp;
mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_CLAMP(pipe, i),
MDP5_PIPE_CSC_1_PRE_CLAMP_REG_HIGH(pre_clamp[2*i+1]) |
MDP5_PIPE_CSC_1_PRE_CLAMP_REG_LOW(pre_clamp[2*i]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_CLAMP(pipe, i),
MDP5_PIPE_CSC_1_POST_CLAMP_REG_HIGH(post_clamp[2*i+1]) |
MDP5_PIPE_CSC_1_POST_CLAMP_REG_LOW(post_clamp[2*i]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_BIAS(pipe, i),
MDP5_PIPE_CSC_1_PRE_BIAS_REG_VALUE(csc->pre_bias[i]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_BIAS(pipe, i),
MDP5_PIPE_CSC_1_POST_BIAS_REG_VALUE(csc->post_bias[i]));
}
}
#define PHASE_STEP_SHIFT 21
#define DOWN_SCALE_RATIO_MAX 32 /* 2^(26-21) */
static int calc_phase_step(uint32_t src, uint32_t dst, uint32_t *out_phase)
{
uint32_t unit;
if (src == 0 || dst == 0)
return -EINVAL;
/*
* PHASE_STEP_X/Y is coded on 26 bits (25:0),
* where 2^21 represents the unity "1" in fixed-point hardware design.
* This leaves 5 bits for the integer part (downscale case):
* -> maximum downscale ratio = 0b1_1111 = 31
*/
if (src > (dst * DOWN_SCALE_RATIO_MAX))
return -EOVERFLOW;
unit = 1 << PHASE_STEP_SHIFT;
*out_phase = mult_frac(unit, src, dst);
return 0;
}
static int calc_scalex_steps(struct drm_plane *plane,
uint32_t pixel_format, uint32_t src, uint32_t dest,
uint32_t phasex_steps[COMP_MAX])
{
struct mdp5_kms *mdp5_kms = get_kms(plane);
struct device *dev = mdp5_kms->dev->dev;
uint32_t phasex_step;
unsigned int hsub;
int ret;
ret = calc_phase_step(src, dest, &phasex_step);
if (ret) {
dev_err(dev, "X scaling (%d->%d) failed: %d\n", src, dest, ret);
return ret;
}
hsub = drm_format_horz_chroma_subsampling(pixel_format);
phasex_steps[COMP_0] = phasex_step;
phasex_steps[COMP_3] = phasex_step;
phasex_steps[COMP_1_2] = phasex_step / hsub;
return 0;
}
static int calc_scaley_steps(struct drm_plane *plane,
uint32_t pixel_format, uint32_t src, uint32_t dest,
uint32_t phasey_steps[COMP_MAX])
{
struct mdp5_kms *mdp5_kms = get_kms(plane);
struct device *dev = mdp5_kms->dev->dev;
uint32_t phasey_step;
unsigned int vsub;
int ret;
ret = calc_phase_step(src, dest, &phasey_step);
if (ret) {
dev_err(dev, "Y scaling (%d->%d) failed: %d\n", src, dest, ret);
return ret;
}
vsub = drm_format_vert_chroma_subsampling(pixel_format);
phasey_steps[COMP_0] = phasey_step;
phasey_steps[COMP_3] = phasey_step;
phasey_steps[COMP_1_2] = phasey_step / vsub;
return 0;
}
static uint32_t get_scale_config(const struct mdp_format *format,
uint32_t src, uint32_t dst, bool horz)
{
bool scaling = format->is_yuv ? true : (src != dst);
uint32_t sub, pix_fmt = format->base.pixel_format;
uint32_t ya_filter, uv_filter;
bool yuv = format->is_yuv;
if (!scaling)
return 0;
if (yuv) {
sub = horz ? drm_format_horz_chroma_subsampling(pix_fmt) :
drm_format_vert_chroma_subsampling(pix_fmt);
uv_filter = ((src / sub) <= dst) ?
SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
}
ya_filter = (src <= dst) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
if (horz)
return MDP5_PIPE_SCALE_CONFIG_SCALEX_EN |
MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_0(ya_filter) |
MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_3(ya_filter) |
COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_1_2(uv_filter));
else
return MDP5_PIPE_SCALE_CONFIG_SCALEY_EN |
MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_0(ya_filter) |
MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_3(ya_filter) |
COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_1_2(uv_filter));
}
static void calc_pixel_ext(const struct mdp_format *format,
uint32_t src, uint32_t dst, uint32_t phase_step[2],
int pix_ext_edge1[COMP_MAX], int pix_ext_edge2[COMP_MAX],
bool horz)
{
bool scaling = format->is_yuv ? true : (src != dst);
int i;
/*
* Note:
* We assume here that:
* 1. PCMN filter is used for downscale
* 2. bilinear filter is used for upscale
* 3. we are in a single pipe configuration
*/
for (i = 0; i < COMP_MAX; i++) {
pix_ext_edge1[i] = 0;
pix_ext_edge2[i] = scaling ? 1 : 0;
}
}
static void mdp5_write_pixel_ext(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
const struct mdp_format *format,
uint32_t src_w, int pe_left[COMP_MAX], int pe_right[COMP_MAX],
uint32_t src_h, int pe_top[COMP_MAX], int pe_bottom[COMP_MAX])
{
uint32_t pix_fmt = format->base.pixel_format;
uint32_t lr, tb, req;
int i;
for (i = 0; i < COMP_MAX; i++) {
uint32_t roi_w = src_w;
uint32_t roi_h = src_h;
if (format->is_yuv && i == COMP_1_2) {
roi_w /= drm_format_horz_chroma_subsampling(pix_fmt);
roi_h /= drm_format_vert_chroma_subsampling(pix_fmt);
}
lr = (pe_left[i] >= 0) ?
MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT(pe_left[i]) :
MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF(pe_left[i]);
lr |= (pe_right[i] >= 0) ?
MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT(pe_right[i]) :
MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF(pe_right[i]);
tb = (pe_top[i] >= 0) ?
MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT(pe_top[i]) :
MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF(pe_top[i]);
tb |= (pe_bottom[i] >= 0) ?
MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT(pe_bottom[i]) :
MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF(pe_bottom[i]);
req = MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT(roi_w +
pe_left[i] + pe_right[i]);
req |= MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM(roi_h +
pe_top[i] + pe_bottom[i]);
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_LR(pipe, i), lr);
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_TB(pipe, i), tb);
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS(pipe, i), req);
DBG("comp-%d (L/R): rpt=%d/%d, ovf=%d/%d, req=%d", i,
FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT),
FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT),
FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF),
FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF),
FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT));
DBG("comp-%d (T/B): rpt=%d/%d, ovf=%d/%d, req=%d", i,
FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT),
FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT),
FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF),
FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF),
FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM));
}
}
static int mdp5_plane_mode_set(struct drm_plane *plane,
struct drm_crtc *crtc, struct drm_framebuffer *fb,
int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
struct drm_plane_state *pstate = plane->state;
struct mdp5_kms *mdp5_kms = get_kms(plane);
enum mdp5_pipe pipe = mdp5_plane->pipe;
const struct mdp_format *format;
uint32_t nplanes, config = 0;
uint32_t phasex_step[COMP_MAX] = {0,}, phasey_step[COMP_MAX] = {0,};
bool pe = mdp5_plane->caps & MDP_PIPE_CAP_SW_PIX_EXT;
int pe_left[COMP_MAX], pe_right[COMP_MAX];
int pe_top[COMP_MAX], pe_bottom[COMP_MAX];
uint32_t hdecm = 0, vdecm = 0;
uint32_t pix_format;
unsigned int rotation;
bool vflip, hflip;
unsigned long flags;
int ret;
nplanes = drm_format_num_planes(fb->pixel_format);
/* bad formats should already be rejected: */
if (WARN_ON(nplanes > pipe2nclients(pipe)))
return -EINVAL;
format = to_mdp_format(msm_framebuffer_format(fb));
pix_format = format->base.pixel_format;
/* src values are in Q16 fixed point, convert to integer: */
src_x = src_x >> 16;
src_y = src_y >> 16;
src_w = src_w >> 16;
src_h = src_h >> 16;
DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", mdp5_plane->name,
fb->base.id, src_x, src_y, src_w, src_h,
crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h);
/* Request some memory from the SMP: */
if (mdp5_kms->smp) {
ret = mdp5_smp_request(mdp5_kms->smp,
mdp5_plane->pipe, format, src_w, false);
if (ret)
return ret;
}
/*
* Currently we update the hw for allocations/requests immediately,
* but once atomic modeset/pageflip is in place, the allocation
* would move into atomic->check_plane_state(), while updating the
* hw would remain here:
*/
if (mdp5_kms->smp)
mdp5_smp_configure(mdp5_kms->smp, pipe);
ret = calc_scalex_steps(plane, pix_format, src_w, crtc_w, phasex_step);
if (ret)
return ret;
ret = calc_scaley_steps(plane, pix_format, src_h, crtc_h, phasey_step);
if (ret)
return ret;
if (mdp5_plane->caps & MDP_PIPE_CAP_SW_PIX_EXT) {
calc_pixel_ext(format, src_w, crtc_w, phasex_step,
pe_left, pe_right, true);
calc_pixel_ext(format, src_h, crtc_h, phasey_step,
pe_top, pe_bottom, false);
}
/* TODO calc hdecm, vdecm */
/* SCALE is used to both scale and up-sample chroma components */
config |= get_scale_config(format, src_w, crtc_w, true);
config |= get_scale_config(format, src_h, crtc_h, false);
DBG("scale config = %x", config);
rotation = drm_rotation_simplify(pstate->rotation,
DRM_ROTATE_0 |
DRM_REFLECT_X |
DRM_REFLECT_Y);
hflip = !!(rotation & DRM_REFLECT_X);
vflip = !!(rotation & DRM_REFLECT_Y);
spin_lock_irqsave(&mdp5_plane->pipe_lock, flags);
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe),
MDP5_PIPE_SRC_IMG_SIZE_WIDTH(min(fb->width, src_w)) |
MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(min(fb->height, src_h)));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe),
MDP5_PIPE_SRC_SIZE_WIDTH(src_w) |
MDP5_PIPE_SRC_SIZE_HEIGHT(src_h));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_XY(pipe),
MDP5_PIPE_SRC_XY_X(src_x) |
MDP5_PIPE_SRC_XY_Y(src_y));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_SIZE(pipe),
MDP5_PIPE_OUT_SIZE_WIDTH(crtc_w) |
MDP5_PIPE_OUT_SIZE_HEIGHT(crtc_h));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_XY(pipe),
MDP5_PIPE_OUT_XY_X(crtc_x) |
MDP5_PIPE_OUT_XY_Y(crtc_y));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_FORMAT(pipe),
MDP5_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
MDP5_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) |
MDP5_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) |
MDP5_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) |
COND(format->alpha_enable, MDP5_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
MDP5_PIPE_SRC_FORMAT_CPP(format->cpp - 1) |
MDP5_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
COND(format->unpack_tight, MDP5_PIPE_SRC_FORMAT_UNPACK_TIGHT) |
MDP5_PIPE_SRC_FORMAT_FETCH_TYPE(format->fetch_type) |
MDP5_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_UNPACK(pipe),
MDP5_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) |
MDP5_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) |
MDP5_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) |
MDP5_PIPE_SRC_UNPACK_ELEM3(format->unpack[3]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_OP_MODE(pipe),
(hflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_LR : 0) |
(vflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_UD : 0) |
COND(pe, MDP5_PIPE_SRC_OP_MODE_SW_PIX_EXT_OVERRIDE) |
MDP5_PIPE_SRC_OP_MODE_BWC(BWC_LOSSLESS));
/* not using secure mode: */
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_ADDR_SW_STATUS(pipe), 0);
if (mdp5_plane->caps & MDP_PIPE_CAP_SW_PIX_EXT)
mdp5_write_pixel_ext(mdp5_kms, pipe, format,
src_w, pe_left, pe_right,
src_h, pe_top, pe_bottom);
if (mdp5_plane->caps & MDP_PIPE_CAP_SCALE) {
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_X(pipe),
phasex_step[COMP_0]);
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_Y(pipe),
phasey_step[COMP_0]);
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_X(pipe),
phasex_step[COMP_1_2]);
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_Y(pipe),
phasey_step[COMP_1_2]);
mdp5_write(mdp5_kms, REG_MDP5_PIPE_DECIMATION(pipe),
MDP5_PIPE_DECIMATION_VERT(vdecm) |
MDP5_PIPE_DECIMATION_HORZ(hdecm));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CONFIG(pipe), config);
}
if (mdp5_plane->caps & MDP_PIPE_CAP_CSC) {
if (MDP_FORMAT_IS_YUV(format))
csc_enable(mdp5_kms, pipe,
mdp_get_default_csc_cfg(CSC_YUV2RGB));
else
csc_disable(mdp5_kms, pipe);
}
set_scanout_locked(plane, fb);
spin_unlock_irqrestore(&mdp5_plane->pipe_lock, flags);
return ret;
}
void mdp5_plane_complete_flip(struct drm_plane *plane)
{
struct mdp5_kms *mdp5_kms = get_kms(plane);
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
enum mdp5_pipe pipe = mdp5_plane->pipe;
DBG("%s: complete flip", mdp5_plane->name);
if (mdp5_kms->smp)
mdp5_smp_commit(mdp5_kms->smp, pipe);
to_mdp5_plane_state(plane->state)->pending = false;
}
enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
return mdp5_plane->pipe;
}
uint32_t mdp5_plane_get_flush(struct drm_plane *plane)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
return mdp5_plane->flush_mask;
}
/* called after vsync in thread context */
void mdp5_plane_complete_commit(struct drm_plane *plane,
struct drm_plane_state *state)
{
struct mdp5_kms *mdp5_kms = get_kms(plane);
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
enum mdp5_pipe pipe = mdp5_plane->pipe;
if (!plane_enabled(plane->state) && mdp5_kms->smp) {
DBG("%s: free SMP", mdp5_plane->name);
mdp5_smp_release(mdp5_kms->smp, pipe);
}
}
/* initialize plane */
struct drm_plane *mdp5_plane_init(struct drm_device *dev,
enum mdp5_pipe pipe, bool private_plane, uint32_t reg_offset,
uint32_t caps)
{
struct drm_plane *plane = NULL;
struct mdp5_plane *mdp5_plane;
int ret;
enum drm_plane_type type;
mdp5_plane = kzalloc(sizeof(*mdp5_plane), GFP_KERNEL);
if (!mdp5_plane) {
ret = -ENOMEM;
goto fail;
}
plane = &mdp5_plane->base;
mdp5_plane->pipe = pipe;
mdp5_plane->name = pipe2name(pipe);
mdp5_plane->caps = caps;
mdp5_plane->nformats = mdp_get_formats(mdp5_plane->formats,
ARRAY_SIZE(mdp5_plane->formats),
!pipe_supports_yuv(mdp5_plane->caps));
mdp5_plane->flush_mask = mdp_ctl_flush_mask_pipe(pipe);
mdp5_plane->reg_offset = reg_offset;
spin_lock_init(&mdp5_plane->pipe_lock);
type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
ret = drm_universal_plane_init(dev, plane, 0xff, &mdp5_plane_funcs,
mdp5_plane->formats, mdp5_plane->nformats,
type, "%s", mdp5_plane->name);
if (ret)
goto fail;
drm_plane_helper_add(plane, &mdp5_plane_helper_funcs);
mdp5_plane_install_properties(plane, &plane->base);
return plane;
fail:
if (plane)
mdp5_plane_destroy(plane);
return ERR_PTR(ret);
}
