static int mdp3_dmap_histo_reset(struct mdp3_dma *dma)
{
unsigned long flag;
int ret;
spin_lock_irqsave(&dma->histo_lock, flag);
init_completion(&dma->histo_comp);
mdp3_dma_clk_auto_gating(dma, 0);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_INTR_ENABLE, BIT(0)|BIT(1));
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_RESET_SEQ_START, 1);
wmb();
dma->histo_state = MDP3_DMA_HISTO_STATE_RESET;
spin_unlock_irqrestore(&dma->histo_lock, flag);
mdp3_dma_callback_enable(dma, MDP3_DMA_CALLBACK_TYPE_HIST_RESET_DONE);
ret = wait_for_completion_killable_timeout(&dma->histo_comp,
msecs_to_jiffies(DMA_HISTO_RESET_TIMEOUT_MS));
if (ret == 0) {
pr_err("mdp3_dmap_histo_reset time out\n");
ret = -ETIMEDOUT;
} else if (ret < 0) {
pr_err("mdp3_dmap_histo_reset interrupted\n");
} else {
ret = 0;
}
mdp3_dma_callback_disable(dma, MDP3_DMA_CALLBACK_TYPE_HIST_RESET_DONE);
mdp3_dma_clk_auto_gating(dma, 1);
return ret;
}
static int mdp3_dmap_lut_config(struct mdp3_dma *dma,
struct mdp3_dma_lut_config *config,
struct mdp3_dma_lut *lut)
{
u32 cc_config, addr, color;
int i;
if (config->lut_enable && lut) {
addr = MDP3_REG_DMA_P_CSC_LUT1;
if (config->lut_sel)
addr = MDP3_REG_DMA_P_CSC_LUT2;
for (i = 0; i < MDP_LUT_SIZE; i++) {
color = lut->color0_lut[i] & 0xff;
color |= (lut->color1_lut[i] & 0xff) << 8;
color |= (lut->color2_lut[i] & 0xff) << 16;
MDP3_REG_WRITE(addr, color);
addr += 4;
}
}
cc_config = MDP3_REG_READ(MDP3_REG_DMA_P_COLOR_CORRECT_CONFIG);
cc_config &= DMA_LUT_CONFIG_MASK;
cc_config |= config->lut_enable;
cc_config |= config->lut_position << 4;
cc_config |= config->lut_sel << 10;
MDP3_REG_WRITE(MDP3_REG_DMA_P_COLOR_CORRECT_CONFIG, cc_config);
wmb();
dma->lut_config = *config;
return 0;
}
static int mdp3_dma_stop(struct mdp3_dma *dma, struct mdp3_intf *intf)
{
int ret = 0;
u32 status, display_status_bit;
if (dma->dma_sel == MDP3_DMA_P)
display_status_bit = BIT(6);
else if (dma->dma_sel == MDP3_DMA_S)
display_status_bit = BIT(7);
else
return -EINVAL;
if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_VIDEO)
display_status_bit |= BIT(11);
intf->stop(intf);
ret = readl_poll_timeout((mdp3_res->mdp_base + MDP3_REG_DISPLAY_STATUS),
status,
((status & display_status_bit) == 0),
DMA_STOP_POLL_SLEEP_US,
DMA_STOP_POLL_TIMEOUT_US);
mdp3_dma_callback_disable(dma, MDP3_DMA_CALLBACK_TYPE_VSYNC |
MDP3_DMA_CALLBACK_TYPE_DMA_DONE);
mdp3_irq_disable(MDP3_INTR_LCDC_UNDERFLOW);
MDP3_REG_WRITE(MDP3_REG_INTR_ENABLE, 0);
MDP3_REG_WRITE(MDP3_REG_INTR_CLEAR, 0xfffffff);
init_completion(&dma->dma_comp);
dma->vsync_client.handler = NULL;
return ret;
}
static int mdp3_dmap_histo_config(struct mdp3_dma *dma,
struct mdp3_dma_histogram_config *histo_config)
{
unsigned long flag;
u32 histo_bit_mask, histo_control;
u32 histo_isr_mask = MDP3_DMA_P_HIST_INTR_HIST_DONE_BIT |
MDP3_DMA_P_HIST_INTR_RESET_DONE_BIT;
spin_lock_irqsave(&dma->histo_lock, flag);
if (histo_config->bit_mask_polarity)
histo_bit_mask = BIT(31);
histo_bit_mask |= histo_config->bit_mask;
if (histo_config->auto_clear_en)
histo_control = BIT(0);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_FRAME_CNT,
histo_config->frame_count);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_BIT_MASK, histo_bit_mask);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_CONTROL, histo_control);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_INTR_ENABLE, histo_isr_mask);
spin_unlock_irqrestore(&dma->histo_lock, flag);
dma->histogram_config = *histo_config;
return 0;
}
static int mdp3_dmas_update(struct mdp3_dma *dma, void *buf,
struct mdp3_intf *intf)
{
unsigned long flag;
int cb_type = MDP3_DMA_CALLBACK_TYPE_VSYNC;
if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_CMD) {
cb_type |= MDP3_DMA_CALLBACK_TYPE_DMA_DONE;
if (intf->active)
wait_for_completion_killable(&dma->dma_comp);
}
spin_lock_irqsave(&dma->dma_lock, flag);
MDP3_REG_WRITE(MDP3_REG_DMA_S_IBUF_ADDR, (u32)buf);
dma->source_config.buf = buf;
if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_CMD)
MDP3_REG_WRITE(MDP3_REG_DMA_S_START, 1);
if (!intf->active) {
pr_debug("mdp3_dmap_update start interface\n");
intf->start(intf);
}
wmb();
init_completion(&dma->vsync_comp);
spin_unlock_irqrestore(&dma->dma_lock, flag);
mdp3_dma_callback_enable(dma, cb_type);
wait_for_completion_killable(&dma->vsync_comp);
return 0;
}
static int mdp3_dmap_ccs_config(struct mdp3_dma *dma,
struct mdp3_dma_color_correct_config *config,
struct mdp3_dma_ccs *ccs)
{
int i;
u32 addr;
if (!ccs)
return -EINVAL;
if (config->ccs_enable) {
addr = MDP3_REG_DMA_P_CSC_MV1;
if (config->ccs_sel)
addr = MDP3_REG_DMA_P_CSC_MV2;
for (i = 0; i < 9; i++) {
MDP3_REG_WRITE(addr, ccs->mv[i]);
addr += 4;
}
addr = MDP3_REG_DMA_P_CSC_PRE_BV1;
if (config->pre_bias_sel)
addr = MDP3_REG_DMA_P_CSC_PRE_BV2;
for (i = 0; i < 3; i++) {
MDP3_REG_WRITE(addr, ccs->pre_bv[i]);
addr += 4;
}
addr = MDP3_REG_DMA_P_CSC_POST_BV1;
if (config->post_bias_sel)
addr = MDP3_REG_DMA_P_CSC_POST_BV2;
for (i = 0; i < 3; i++) {
MDP3_REG_WRITE(addr, ccs->post_bv[i]);
addr += 4;
}
addr = MDP3_REG_DMA_P_CSC_PRE_LV1;
if (config->pre_limit_sel)
addr = MDP3_REG_DMA_P_CSC_PRE_LV2;
for (i = 0; i < 6; i++) {
MDP3_REG_WRITE(addr, ccs->pre_lv[i]);
addr += 4;
}
addr = MDP3_REG_DMA_P_CSC_POST_LV1;
if (config->post_limit_sel)
addr = MDP3_REG_DMA_P_CSC_POST_LV2;
for (i = 0; i < 6; i++) {
MDP3_REG_WRITE(addr, ccs->post_lv[i]);
addr += 4;
}
}
dma->ccs_config = *config;
if (dma->output_config.out_sel != MDP3_DMA_OUTPUT_SEL_DSI_CMD)
mdp3_ccs_update(dma);
return 0;
}
static int mdp3_dmap_update(struct mdp3_dma *dma, void *buf,
struct mdp3_intf *intf)
{
unsigned long flag;
int cb_type = MDP3_DMA_CALLBACK_TYPE_VSYNC;
int rc = 0;
pr_debug("mdp3_dmap_update\n");
if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_CMD) {
cb_type = MDP3_DMA_CALLBACK_TYPE_DMA_DONE;
if (intf->active) {
rc = wait_for_completion_timeout(&dma->dma_comp,
KOFF_TIMEOUT);
if (rc <= 0) {
WARN(1, "cmd kickoff timed out (%d)\n", rc);
rc = -1;
}
}
}
if (dma->update_src_cfg) {
if (dma->output_config.out_sel ==
MDP3_DMA_OUTPUT_SEL_DSI_VIDEO && intf->active)
pr_err("configuring dma source while dma is active\n");
dma->dma_config_source(dma);
dma->update_src_cfg = false;
}
spin_lock_irqsave(&dma->dma_lock, flag);
MDP3_REG_WRITE(MDP3_REG_DMA_P_IBUF_ADDR, (u32)buf);
dma->source_config.buf = buf;
if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_CMD) {
mdp3_ccs_update(dma);
MDP3_REG_WRITE(MDP3_REG_DMA_P_START, 1);
}
if (!intf->active) {
pr_debug("mdp3_dmap_update start interface\n");
intf->start(intf);
}
mb();
dma->vsync_status = MDP3_REG_READ(MDP3_REG_INTR_STATUS) &
(1 << MDP3_INTR_LCDC_START_OF_FRAME);
init_completion(&dma->vsync_comp);
spin_unlock_irqrestore(&dma->dma_lock, flag);
mdp3_dma_callback_enable(dma, cb_type);
pr_debug("mdp3_dmap_update wait for vsync_comp in\n");
if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_VIDEO) {
rc = wait_for_completion_timeout(&dma->vsync_comp,
KOFF_TIMEOUT);
if (rc <= 0)
rc = -1;
}
pr_debug("mdp3_dmap_update wait for vsync_comp out\n");
return rc;
}
static void mdp3_dmas_config_source(struct mdp3_dma *dma)
{
struct mdp3_dma_source *source_config = &dma->source_config;
u32 dma_s_cfg_reg, dma_s_size;
dma_s_cfg_reg = MDP3_REG_READ(MDP3_REG_DMA_S_CONFIG);
dma_s_cfg_reg &= ~MDP3_DMA_IBUF_FORMAT_MASK;
dma_s_cfg_reg |= source_config->format << 25;
dma_s_size = source_config->width | (source_config->height << 16);
MDP3_REG_WRITE(MDP3_REG_DMA_S_CONFIG, dma_s_cfg_reg);
MDP3_REG_WRITE(MDP3_REG_DMA_S_SIZE, dma_s_size);
MDP3_REG_WRITE(MDP3_REG_DMA_S_IBUF_Y_STRIDE, source_config->stride);
}
static void mdp3_hist_done_intr_handler(int type, void *arg)
{
struct mdp3_dma *dma = (struct mdp3_dma *)arg;
u32 isr, mask;
isr = MDP3_REG_READ(MDP3_REG_DMA_P_HIST_INTR_STATUS);
mask = MDP3_REG_READ(MDP3_REG_DMA_P_HIST_INTR_ENABLE);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_INTR_CLEAR, isr);
isr &= mask;
if (isr == 0)
return;
if (isr & MDP3_DMA_P_HIST_INTR_HIST_DONE_BIT) {
spin_lock(&dma->histo_lock);
dma->histo_state = MDP3_DMA_HISTO_STATE_READY;
complete(&dma->histo_comp);
spin_unlock(&dma->histo_lock);
}
if (isr & MDP3_DMA_P_HIST_INTR_RESET_DONE_BIT) {
spin_lock(&dma->histo_lock);
dma->histo_state = MDP3_DMA_HISTO_STATE_IDLE;
complete(&dma->histo_comp);
spin_unlock(&dma->histo_lock);
}
}
static int mdp3_dmap_lut_config(struct mdp3_dma *dma,
struct mdp3_dma_lut_config *config,
struct mdp3_dma_lut *lut)
{
u32 addr, color;
int i;
if (config->lut_enable && lut) {
addr = MDP3_REG_DMA_P_CSC_LUT1;
if (config->lut_sel)
addr = MDP3_REG_DMA_P_CSC_LUT2;
for (i = 0; i < MDP_LUT_SIZE; i++) {
color = lut->color0_lut[i] & 0xff;
color |= (lut->color1_lut[i] & 0xff) << 8;
color |= (lut->color2_lut[i] & 0xff) << 16;
MDP3_REG_WRITE(addr, color);
addr += 4;
}
}
dma->lut_config = *config;
if (dma->output_config.out_sel != MDP3_DMA_OUTPUT_SEL_DSI_CMD)
mdp3_ccs_update(dma);
return 0;
}
int lcdc_stop(struct mdp3_intf *intf)
{
MDP3_REG_WRITE(MDP3_REG_LCDC_EN, 0);
wmb();
intf->active = false;
return 0;
}
static int mdp3_dma_start(struct mdp3_dma *dma, struct mdp3_intf *intf)
{
unsigned long flag;
int cb_type = MDP3_DMA_CALLBACK_TYPE_VSYNC;
u32 dma_start_offset = MDP3_REG_DMA_P_START;
if (dma->dma_sel == MDP3_DMA_P)
dma_start_offset = MDP3_REG_DMA_P_START;
else if (dma->dma_sel == MDP3_DMA_S)
dma_start_offset = MDP3_REG_DMA_S_START;
else
return -EINVAL;
spin_lock_irqsave(&dma->dma_lock, flag);
if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_CMD) {
cb_type |= MDP3_DMA_CALLBACK_TYPE_DMA_DONE;
MDP3_REG_WRITE(dma_start_offset, 1);
}
intf->start(intf);
wmb();
init_completion(&dma->vsync_comp);
spin_unlock_irqrestore(&dma->dma_lock, flag);
mdp3_dma_callback_enable(dma, cb_type);
pr_debug("mdp3_dma_start wait for vsync_comp in\n");
wait_for_completion_killable(&dma->vsync_comp);
pr_debug("mdp3_dma_start wait for vsync_comp out\n");
return 0;
}
int lcdc_start(struct mdp3_intf *intf)
{
MDP3_REG_WRITE(MDP3_REG_LCDC_EN, BIT(0));
wmb();
intf->active = true;
return 0;
}
int dsi_video_start(struct mdp3_intf *intf)
{
pr_debug("dsi_video_start\n");
MDP3_REG_WRITE(MDP3_REG_DSI_VIDEO_EN, BIT(0));
wmb();
intf->active = true;
return 0;
}
static int mdp3_dmap_histo_config(struct mdp3_dma *dma,
struct mdp3_dma_histogram_config *histo_config)
{
u32 hist_bit_mask, hist_control;
if (histo_config->bit_mask_polarity)
hist_bit_mask = BIT(31);
hist_bit_mask |= histo_config->bit_mask;
if (histo_config->auto_clear_en)
hist_control = BIT(0);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_FRAME_CNT,
histo_config->frame_count);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_BIT_MASK, hist_bit_mask);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_CONTROL, hist_control);
return 0;
}
static void mdp3_dmap_config_source(struct mdp3_dma *dma)
{
struct mdp3_dma_source *source_config = &dma->source_config;
u32 dma_p_cfg_reg, dma_p_size;
dma_p_cfg_reg = MDP3_REG_READ(MDP3_REG_DMA_P_CONFIG);
dma_p_cfg_reg &= ~MDP3_DMA_IBUF_FORMAT_MASK;
dma_p_cfg_reg |= source_config->format << 25;
dma_p_cfg_reg &= ~MDP3_DMA_PACK_PATTERN_MASK;
dma_p_cfg_reg |= dma->output_config.pack_pattern << 8;
dma_p_size = source_config->width | (source_config->height << 16);
MDP3_REG_WRITE(MDP3_REG_DMA_P_CONFIG, dma_p_cfg_reg);
MDP3_REG_WRITE(MDP3_REG_DMA_P_SIZE, dma_p_size);
MDP3_REG_WRITE(MDP3_REG_DMA_P_IBUF_Y_STRIDE, source_config->stride);
}
int dsi_video_stop(struct mdp3_intf *intf)
{
pr_debug("dsi_video_stop\n");
MDP3_REG_WRITE(MDP3_REG_DSI_VIDEO_EN, 0);
wmb();
intf->active = false;
return 0;
}
static int mdp3_dma_sync_config(struct mdp3_dma *dma,
struct mdp3_dma_source *source_config)
{
u32 sync_config;
int dma_sel = dma->dma_sel;
pr_debug("mdp3_dma_sync_config\n");
if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_CMD) {
int porch = source_config->vporch;
int height = source_config->height;
int vtotal = height + porch;
sync_config = vtotal << 21;
sync_config |= source_config->vsync_count;
sync_config |= BIT(19);
sync_config |= BIT(20);
MDP3_REG_WRITE(MDP3_REG_SYNC_CONFIG_0 + dma_sel, sync_config);
MDP3_REG_WRITE(MDP3_REG_VSYNC_SEL, 0x024);
MDP3_REG_WRITE(MDP3_REG_PRIMARY_VSYNC_INIT_VAL + dma_sel,
height);
MDP3_REG_WRITE(MDP3_REG_PRIMARY_RD_PTR_IRQ, 0x5);
MDP3_REG_WRITE(MDP3_REG_SYNC_THRESH_0 + dma_sel, (4 << 16 | 2));
MDP3_REG_WRITE(MDP3_REG_PRIMARY_START_P0S + dma_sel, porch);
MDP3_REG_WRITE(MDP3_REG_TEAR_CHECK_EN, 0x1);
}
return 0;
}
static int mdp3_dmap_cursor_config(struct mdp3_dma *dma,
struct mdp3_dma_cursor *cursor)
{
u32 cursor_size, cursor_pos, blend_param, trans_mask;
cursor_size = cursor->width | (cursor->height << 16);
cursor_pos = cursor->x | (cursor->y << 16);
trans_mask = 0;
if (cursor->blend_config.mode == MDP3_DMA_CURSOR_BLEND_CONSTANT_ALPHA) {
blend_param = cursor->blend_config.constant_alpha << 24;
} else if (cursor->blend_config.mode ==
MDP3_DMA_CURSOR_BLEND_COLOR_KEYING) {
blend_param = cursor->blend_config.transparent_color;
trans_mask = cursor->blend_config.transparency_mask;
} else {
blend_param = 0;
}
MDP3_REG_WRITE(MDP3_REG_DMA_P_CURSOR_FORMAT, cursor->format);
MDP3_REG_WRITE(MDP3_REG_DMA_P_CURSOR_SIZE, cursor_size);
MDP3_REG_WRITE(MDP3_REG_DMA_P_CURSOR_BUF_ADDR, (u32)cursor->buf);
MDP3_REG_WRITE(MDP3_REG_DMA_P_CURSOR_POS, cursor_pos);
MDP3_REG_WRITE(MDP3_REG_DMA_P_CURSOR_BLEND_CONFIG,
cursor->blend_config.mode);
MDP3_REG_WRITE(MDP3_REG_DMA_P_CURSOR_BLEND_PARAM, blend_param);
MDP3_REG_WRITE(MDP3_REG_DMA_P_CURSOR_BLEND_TRANS_MASK, trans_mask);
dma->cursor = *cursor;
return 0;
}
static int mdp3_dmap_histo_stop(struct mdp3_dma *dma)
{
unsigned long flag;
int cb_type = MDP3_DMA_CALLBACK_TYPE_HIST_RESET_DONE |
MDP3_DMA_CALLBACK_TYPE_HIST_DONE;
spin_lock_irqsave(&dma->histo_lock, flag);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_CANCEL_REQ, 1);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_INTR_ENABLE, 0);
wmb();
dma->histo_state = MDP3_DMA_HISTO_STATE_IDLE;
spin_unlock_irqrestore(&dma->histo_lock, flag);
mdp3_dma_callback_disable(dma, cb_type);
return 0;
}
static void mdp3_dma_clk_auto_gating(struct mdp3_dma *dma, int enable)
{
u32 cgc;
int clock_bit = 10;
clock_bit += dma->dma_sel;
if (enable) {
cgc = MDP3_REG_READ(MDP3_REG_CGC_EN);
cgc |= BIT(clock_bit);
MDP3_REG_WRITE(MDP3_REG_CGC_EN, cgc);
} else {
cgc = MDP3_REG_READ(MDP3_REG_CGC_EN);
cgc &= ~BIT(clock_bit);
MDP3_REG_WRITE(MDP3_REG_CGC_EN, cgc);
}
}
int dsi_cmd_config(struct mdp3_intf *intf, struct mdp3_intf_cfg *cfg)
{
u32 id_map = 0;
u32 trigger_en = 0;
if (cfg->dsi_cmd.primary_dsi_cmd_id)
id_map = BIT(0);
if (cfg->dsi_cmd.secondary_dsi_cmd_id)
id_map = BIT(4);
if (cfg->dsi_cmd.dsi_cmd_tg_intf_sel)
trigger_en = BIT(4);
MDP3_REG_WRITE(MDP3_REG_DSI_CMD_MODE_ID_MAP, id_map);
MDP3_REG_WRITE(MDP3_REG_DSI_CMD_MODE_TRIGGER_EN, trigger_en);
return 0;
}
static int mdp3_dmap_cursor_update(struct mdp3_dma *dma, int x, int y)
{
u32 cursor_pos;
cursor_pos = x | (y << 16);
MDP3_REG_WRITE(MDP3_REG_DMA_P_CURSOR_POS, cursor_pos);
dma->cursor.x = x;
dma->cursor.y = y;
return 0;
}
static int mdp3_dmap_histo_op(struct mdp3_dma *dma, u32 op)
{
switch (op) {
case MDP3_DMA_HISTO_OP_START:
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_START, 1);
break;
case MDP3_DMA_HISTO_OP_STOP:
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_STOP_REQ, 1);
break;
case MDP3_DMA_HISTO_OP_CANCEL:
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_CANCEL_REQ, 1);
break;
case MDP3_DMA_HISTO_OP_RESET:
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_RESET_SEQ_START, 1);
break;
default:
return -EINVAL;
}
return 0;
}
static int mdp3_dmap_config(struct mdp3_dma *dma,
struct mdp3_dma_source *source_config,
struct mdp3_dma_output_config *output_config)
{
u32 dma_p_cfg_reg, dma_p_size, dma_p_out_xy;
dma_p_cfg_reg = source_config->format << 25;
if (output_config->dither_en)
dma_p_cfg_reg |= BIT(24);
dma_p_cfg_reg |= output_config->out_sel << 19;
dma_p_cfg_reg |= output_config->bit_mask_polarity << 18;
dma_p_cfg_reg |= output_config->color_components_flip << 14;
dma_p_cfg_reg |= output_config->pack_pattern << 8;
dma_p_cfg_reg |= output_config->pack_align << 7;
dma_p_cfg_reg |= output_config->color_comp_out_bits;
dma_p_size = source_config->width | (source_config->height << 16);
dma_p_out_xy = source_config->x | (source_config->y << 16);
MDP3_REG_WRITE(MDP3_REG_DMA_P_CONFIG, dma_p_cfg_reg);
MDP3_REG_WRITE(MDP3_REG_DMA_P_SIZE, dma_p_size);
MDP3_REG_WRITE(MDP3_REG_DMA_P_IBUF_ADDR, (u32)source_config->buf);
MDP3_REG_WRITE(MDP3_REG_DMA_P_IBUF_Y_STRIDE, source_config->stride);
MDP3_REG_WRITE(MDP3_REG_DMA_P_OUT_XY, dma_p_out_xy);
MDP3_REG_WRITE(MDP3_REG_DMA_P_FETCH_CFG, 0x40);
dma->source_config = *source_config;
dma->output_config = *output_config;
mdp3_dma_sync_config(dma, source_config);
mdp3_irq_enable(MDP3_INTR_LCDC_UNDERFLOW);
mdp3_dma_callback_setup(dma);
return 0;
}
static int mdp3_dmas_config(struct mdp3_dma *dma,
struct mdp3_dma_source *source_config,
struct mdp3_dma_output_config *output_config)
{
u32 dma_s_cfg_reg, dma_s_size, dma_s_out_xy;
dma_s_cfg_reg = source_config->format << 25;
if (output_config->dither_en)
dma_s_cfg_reg |= BIT(24);
dma_s_cfg_reg |= output_config->out_sel << 19;
dma_s_cfg_reg |= output_config->bit_mask_polarity << 18;
dma_s_cfg_reg |= output_config->color_components_flip << 14;
dma_s_cfg_reg |= output_config->pack_pattern << 8;
dma_s_cfg_reg |= output_config->pack_align << 7;
dma_s_cfg_reg |= output_config->color_comp_out_bits;
dma_s_size = source_config->width | (source_config->height << 16);
dma_s_out_xy = source_config->x | (source_config->y << 16);
MDP3_REG_WRITE(MDP3_REG_DMA_S_CONFIG, dma_s_cfg_reg);
MDP3_REG_WRITE(MDP3_REG_DMA_S_SIZE, dma_s_size);
MDP3_REG_WRITE(MDP3_REG_DMA_S_IBUF_ADDR, (u32)source_config->buf);
MDP3_REG_WRITE(MDP3_REG_DMA_S_IBUF_Y_STRIDE, source_config->stride);
MDP3_REG_WRITE(MDP3_REG_DMA_S_OUT_XY, dma_s_out_xy);
MDP3_REG_WRITE(MDP3_REG_SECONDARY_RD_PTR_IRQ, 0x10);
dma->source_config = *source_config;
dma->output_config = *output_config;
mdp3_dma_callback_setup(dma);
return 0;
}
static int mdp3_dma_sync_config(struct mdp3_dma *dma,
struct mdp3_dma_source *source_config)
{
u32 sync_config;
int dma_sel = dma->dma_sel;
pr_debug("mdp3_dma_sync_config\n");
if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_CMD) {
sync_config = (source_config->height - 1) << 21;
sync_config |= source_config->vsync_count;
sync_config |= BIT(19);
sync_config |= BIT(20);
MDP3_REG_WRITE(MDP3_REG_SYNC_CONFIG_0 + dma_sel, sync_config);
MDP3_REG_WRITE(MDP3_REG_VSYNC_SEL, 0x024);
MDP3_REG_WRITE(MDP3_REG_PRIMARY_VSYNC_INIT_VAL + dma_sel, 0);
MDP3_REG_WRITE(MDP3_REG_SYNC_THRESH_0 + dma_sel, 0x00100000);
MDP3_REG_WRITE(MDP3_REG_PRIMARY_START_P0S + dma_sel, 0x0);
}
return 0;
}
static int mdp3_dmap_config(struct mdp3_dma *dma,
struct mdp3_dma_source *source_config,
struct mdp3_dma_output_config *output_config)
{
u32 dma_p_cfg_reg, dma_p_size, dma_p_out_xy;
dma_p_cfg_reg = source_config->format << 25;
if (output_config->dither_en)
dma_p_cfg_reg |= BIT(24);
dma_p_cfg_reg |= output_config->out_sel << 19;
dma_p_cfg_reg |= output_config->bit_mask_polarity << 18;
dma_p_cfg_reg |= output_config->color_components_flip << 14;
dma_p_cfg_reg |= output_config->pack_pattern << 8;
dma_p_cfg_reg |= output_config->pack_align << 7;
dma_p_cfg_reg |= output_config->color_comp_out_bits;
dma_p_size = source_config->width | (source_config->height << 16);
dma_p_out_xy = source_config->x | (source_config->y << 16);
MDP3_REG_WRITE(MDP3_REG_DMA_P_CONFIG, dma_p_cfg_reg);
MDP3_REG_WRITE(MDP3_REG_DMA_P_SIZE, dma_p_size);
MDP3_REG_WRITE(MDP3_REG_DMA_P_IBUF_ADDR, (u32)source_config->buf);
MDP3_REG_WRITE(MDP3_REG_DMA_P_IBUF_Y_STRIDE, source_config->stride);
MDP3_REG_WRITE(MDP3_REG_DMA_P_OUT_XY, dma_p_out_xy);
/*
* NOTE: MDP_DMA_P_FETCH_CFG: max_burst_size need to use value 4, not
* the default 16 for MDP hang issue workaround
*/
//MDP3_REG_WRITE(MDP3_REG_DMA_P_FETCH_CFG, 0x20);
//to solve the blue flicker of display
MDP3_REG_WRITE(MDP3_REG_DMA_P_FETCH_CFG, 0x40);
MDP3_REG_WRITE(MDP3_REG_PRIMARY_RD_PTR_IRQ, 0x10);
dma->source_config = *source_config;
dma->output_config = *output_config;
mdp3_dma_sync_config(dma, source_config);
mdp3_irq_enable(MDP3_INTR_LCDC_UNDERFLOW);
mdp3_dma_callback_setup(dma);
return 0;
}
static int mdp3_dmap_histo_start(struct mdp3_dma *dma)
{
unsigned long flag;
if (dma->histo_state != MDP3_DMA_HISTO_STATE_IDLE)
return -EINVAL;
spin_lock_irqsave(&dma->histo_lock, flag);
init_completion(&dma->histo_comp);
MDP3_REG_WRITE(MDP3_REG_DMA_P_HIST_START, 1);
wmb();
dma->histo_state = MDP3_DMA_HISTO_STATE_START;
spin_unlock_irqrestore(&dma->histo_lock, flag);
mdp3_dma_callback_enable(dma, MDP3_DMA_CALLBACK_TYPE_HIST_DONE);
return 0;
}
int mdp3_dma_sync_config(struct mdp3_dma *dma,
struct mdp3_dma_source *source_config, struct mdp3_tear_check *te)
{
u32 vsync_clk_speed_hz, vclks_line, cfg;
int porch = source_config->vporch;
int height = source_config->height;
int total_lines = height + porch;
int dma_sel = dma->dma_sel;
vsync_clk_speed_hz = MDP_VSYNC_CLK_RATE;
cfg = total_lines << VSYNC_TOTAL_LINES_SHIFT;
total_lines *= te->frame_rate;
vclks_line = (total_lines) ? vsync_clk_speed_hz / total_lines : 0;
cfg |= BIT(19);
if (te->hw_vsync_mode)
cfg |= BIT(20);
if (te->refx100) {
vclks_line = vclks_line * te->frame_rate *
100 / te->refx100;
} else {
pr_warn("refx100 cannot be zero! Use 6000 as default\n");
vclks_line = vclks_line * te->frame_rate *
100 / 6000;
}
cfg |= (vclks_line & VSYNC_COUNT_MASK);
MDP3_REG_WRITE(MDP3_REG_SYNC_CONFIG_0 + dma_sel, cfg);
MDP3_REG_WRITE(MDP3_REG_VSYNC_SEL, VSYNC_SELECT);
MDP3_REG_WRITE(MDP3_REG_PRIMARY_VSYNC_INIT_VAL + dma_sel,
te->vsync_init_val);
MDP3_REG_WRITE(MDP3_REG_PRIMARY_RD_PTR_IRQ, te->rd_ptr_irq);
MDP3_REG_WRITE(MDP3_REG_SYNC_THRESH_0 + dma_sel,
((te->sync_threshold_continue << VSYNC_THRESH_CONT_SHIFT) |
te->sync_threshold_start));
MDP3_REG_WRITE(MDP3_REG_PRIMARY_START_P0S + dma_sel, te->start_pos);
MDP3_REG_WRITE(MDP3_REG_TEAR_CHECK_EN, te->tear_check_en);
return 0;
}
