void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on)
{
struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
struct drm_device *dev = dsi_config->dev;
struct drm_psb_private *dev_priv = dev->dev_private;
u32 mipi_reg = MIPI;
u32 pipeconf_reg = PIPEACONF;
if(pipe) {
mipi_reg = MIPI_C;
pipeconf_reg = PIPECCONF;
}
/* Start up display island if it was shutdown */
if (!gma_power_begin(dev, true))
return;
if(on) {
if (mdfld_get_panel_type(dev, pipe) == TMD_VID){
mdfld_dsi_dpi_turn_on(dpi_output, pipe);
} else {
/* Enable mipi port */
REG_WRITE(mipi_reg, (REG_READ(mipi_reg) | (1 << 31)));
REG_READ(mipi_reg);
mdfld_dsi_dpi_turn_on(dpi_output, pipe);
mdfld_dsi_tpo_ic_init(dsi_config, pipe);
}
if(pipe == 2) {
dev_priv->dpi_panel_on2 = true;
}
else {
dev_priv->dpi_panel_on = true;
}
} else {
if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
mdfld_dsi_dpi_shut_down(dpi_output, pipe);
} else {
mdfld_dsi_dpi_shut_down(dpi_output, pipe);
/* Disable mipi port */
REG_WRITE(mipi_reg, (REG_READ(mipi_reg) & ~(1<<31)));
REG_READ(mipi_reg);
}
if(pipe == 2)
dev_priv->dpi_panel_on2 = false;
else
dev_priv->dpi_panel_on = false;
}
gma_power_end(dev);
}
void mdfld_output_init(struct drm_device *dev)
{
int type;
/* MIPI panel 1 */
type = mdfld_get_panel_type(dev, 0);
dev_info(dev->dev, "panel 1: type is %d\n", type);
init_panel(dev, 0, type);
/* MIPI panel 2 */
type = mdfld_get_panel_type(dev, 2);
dev_info(dev->dev, "panel 2: type is %d\n", type);
init_panel(dev, 2, type);
}
static void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on)
{
struct mdfld_dsi_encoder *dsi_encoder = mdfld_dsi_encoder(encoder);
struct mdfld_dsi_dpi_output *dpi_output =
MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
struct mdfld_dsi_config *dsi_config =
mdfld_dsi_encoder_get_config(dsi_encoder);
int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
struct drm_device *dev = dsi_config->dev;
struct drm_psb_private *dev_priv = dev->dev_private;
/*start up display island if it was shutdown*/
if (!gma_power_begin(dev, true))
return;
if (on) {
if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
mdfld_dsi_dpi_turn_on(dpi_output, pipe);
else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
mdfld_dsi_configure_up(dsi_encoder, pipe);
else {
/*enable mipi port*/
REG_WRITE(MIPI_PORT_CONTROL(pipe),
REG_READ(MIPI_PORT_CONTROL(pipe)) | BIT(31));
REG_READ(MIPI_PORT_CONTROL(pipe));
mdfld_dsi_dpi_turn_on(dpi_output, pipe);
mdfld_dsi_tpo_ic_init(dsi_config, pipe);
}
dev_priv->dpi_panel_on[pipe] = true;
} else {
if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
mdfld_dsi_dpi_shut_down(dpi_output, pipe);
else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
mdfld_dsi_configure_down(dsi_encoder, pipe);
else {
mdfld_dsi_dpi_shut_down(dpi_output, pipe);
/*disable mipi port*/
REG_WRITE(MIPI_PORT_CONTROL(pipe),
REG_READ(MIPI_PORT_CONTROL(pipe)) & ~BIT(31));
REG_READ(MIPI_PORT_CONTROL(pipe));
}
dev_priv->dpi_panel_on[pipe] = false;
}
gma_power_end(dev);
}
int mdfld_set_brightness(struct backlight_device *bd)
{
struct drm_device *dev =
(struct drm_device *)bl_get_data(mdfld_backlight_device);
struct drm_psb_private *dev_priv = dev->dev_private;
int level = bd->props.brightness;
DRM_DEBUG_DRIVER("backlight level set to %d\n", level);
/* Perform value bounds checking */
if (level < BRIGHTNESS_MIN_LEVEL)
level = BRIGHTNESS_MIN_LEVEL;
if (gma_power_begin(dev, false)) {
u32 adjusted_level = 0;
/*
* Adjust the backlight level with the percent in
* dev_priv->blc_adj2
*/
adjusted_level = level * dev_priv->blc_adj2;
adjusted_level = adjusted_level / BLC_ADJUSTMENT_MAX;
dev_priv->brightness_adjusted = adjusted_level;
if (mdfld_get_panel_type(dev, 0) == TC35876X) {
if (dev_priv->dpi_panel_on[0] ||
dev_priv->dpi_panel_on[2])
tc35876x_brightness_control(dev,
dev_priv->brightness_adjusted);
} else {
if (dev_priv->dpi_panel_on[0])
mdfld_dsi_brightness_control(dev, 0,
dev_priv->brightness_adjusted);
}
if (dev_priv->dpi_panel_on[2])
mdfld_dsi_brightness_control(dev, 2,
dev_priv->brightness_adjusted);
gma_power_end(dev);
}
/* cache the brightness for later use */
dev_priv->brightness = level;
return 0;
}
/*
* Init DSI DPI encoder.
* Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector
* return pointer of newly allocated DPI encoder, NULL on error
*/
struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
struct mdfld_dsi_connector *dsi_connector,
const struct panel_funcs *p_funcs)
{
struct mdfld_dsi_dpi_output *dpi_output = NULL;
struct mdfld_dsi_config *dsi_config;
struct drm_connector *connector = NULL;
struct drm_encoder *encoder = NULL;
int pipe;
u32 data;
int ret;
pipe = dsi_connector->pipe;
if (mdfld_get_panel_type(dev, pipe) != TC35876X) {
dsi_config = mdfld_dsi_get_config(dsi_connector);
/* panel hard-reset */
if (p_funcs->reset) {
ret = p_funcs->reset(pipe);
if (ret) {
DRM_ERROR("Panel %d hard-reset failed\n", pipe);
return NULL;
}
}
/* panel drvIC init */
if (p_funcs->drv_ic_init)
p_funcs->drv_ic_init(dsi_config, pipe);
/* panel power mode detect */
ret = mdfld_dsi_get_power_mode(dsi_config, &data, false);
if (ret) {
DRM_ERROR("Panel %d get power mode failed\n", pipe);
dsi_connector->status = connector_status_disconnected;
} else {
DRM_INFO("pipe %d power mode 0x%x\n", pipe, data);
dsi_connector->status = connector_status_connected;
}
}
dpi_output = kzalloc(sizeof(struct mdfld_dsi_dpi_output), GFP_KERNEL);
if (!dpi_output) {
DRM_ERROR("No memory\n");
return NULL;
}
if (dsi_connector->pipe)
dpi_output->panel_on = 0;
else
dpi_output->panel_on = 0;
dpi_output->dev = dev;
if (mdfld_get_panel_type(dev, pipe) != TC35876X)
dpi_output->p_funcs = p_funcs;
dpi_output->first_boot = 1;
/*get fixed mode*/
dsi_config = mdfld_dsi_get_config(dsi_connector);
/*create drm encoder object*/
connector = &dsi_connector->base.base;
encoder = &dpi_output->base.base.base;
drm_encoder_init(dev,
encoder,
p_funcs->encoder_funcs,
DRM_MODE_ENCODER_LVDS);
drm_encoder_helper_add(encoder,
p_funcs->encoder_helper_funcs);
/*attach to given connector*/
drm_mode_connector_attach_encoder(connector, encoder);
/*set possible crtcs and clones*/
if (dsi_connector->pipe) {
encoder->possible_crtcs = (1 << 2);
encoder->possible_clones = (1 << 1);
} else {
encoder->possible_crtcs = (1 << 0);
encoder->possible_clones = (1 << 0);
}
dsi_connector->base.encoder = &dpi_output->base.base;
return &dpi_output->base;
}
void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct mdfld_dsi_encoder *dsi_encoder = mdfld_dsi_encoder(encoder);
struct mdfld_dsi_dpi_output *dpi_output =
MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
struct mdfld_dsi_config *dsi_config =
mdfld_dsi_encoder_get_config(dsi_encoder);
struct drm_device *dev = dsi_config->dev;
struct drm_psb_private *dev_priv = dev->dev_private;
int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
u32 pipeconf_reg = PIPEACONF;
u32 dspcntr_reg = DSPACNTR;
u32 pipeconf;
u32 dspcntr;
u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
if (pipe == -1)
return;
pipeconf = dev_priv->pipeconf[pipe];
dspcntr = dev_priv->dspcntr[pipe];
if (pipe) {
pipeconf_reg = PIPECCONF;
dspcntr_reg = DSPCCNTR;
} else {
if (mdfld_get_panel_type(dev, pipe) == TC35876X)
mipi &= (~0x03); /* Use all four lanes */
else
mipi |= 2;
}
/*start up display island if it was shutdown*/
if (!gma_power_begin(dev, true))
return;
if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
/*
* The following logic is required to reset the bridge and
* configure. This also starts the DSI clock at 200MHz.
*/
tc35876x_set_bridge_reset_state(dev, 0); /*Pull High Reset */
tc35876x_toshiba_bridge_panel_on(dev);
udelay(100);
/* Now start the DSI clock */
REG_WRITE(MRST_DPLL_A, 0x00);
REG_WRITE(MRST_FPA0, 0xC1);
REG_WRITE(MRST_DPLL_A, 0x00800000);
udelay(500);
REG_WRITE(MRST_DPLL_A, 0x80800000);
if (REG_BIT_WAIT(pipeconf_reg, 1, 29))
dev_err(&dev->pdev->dev, "%s: DSI PLL lock timeout\n",
__func__);
REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x2A0c6008);
mipi_set_properties(dsi_config, pipe);
mdfld_mipi_config(dsi_config, pipe);
mdfld_set_pipe_timing(dsi_config, pipe);
REG_WRITE(DSPABASE, 0x00);
REG_WRITE(DSPASIZE,
((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
REG_WRITE(DSPACNTR, 0x98000000);
REG_WRITE(DSPASURF, 0x00);
REG_WRITE(VGACNTRL, 0x80000000);
REG_WRITE(DEVICE_READY_REG, 0x00000001);
REG_WRITE(MIPI_PORT_CONTROL(pipe), 0x80810000);
} else {
/*set up mipi port FIXME: do at init time */
REG_WRITE(MIPI_PORT_CONTROL(pipe), mipi);
}
REG_READ(MIPI_PORT_CONTROL(pipe));
if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
/* NOP */
} else if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
/* set up DSI controller DPI interface */
mdfld_dsi_dpi_controller_init(dsi_config, pipe);
/* Configure MIPI Bridge and Panel */
tc35876x_configure_lvds_bridge(dev);
dev_priv->dpi_panel_on[pipe] = true;
} else {
/*turn on DPI interface*/
mdfld_dsi_dpi_turn_on(dpi_output, pipe);
}
/*set up pipe*/
REG_WRITE(pipeconf_reg, pipeconf);
REG_READ(pipeconf_reg);
/*set up display plane*/
REG_WRITE(dspcntr_reg, dspcntr);
REG_READ(dspcntr_reg);
msleep(20); /* FIXME: this should wait for vblank */
if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
/* NOP */
} else if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
mdfld_dsi_dpi_turn_on(dpi_output, pipe);
} else {
/* init driver ic */
mdfld_dsi_tpo_ic_init(dsi_config, pipe);
/*init backlight*/
mdfld_dsi_brightness_init(dsi_config, pipe);
}
gma_power_end(dev);
}
void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config,
int pipe)
{
struct drm_device *dev = dsi_config->dev;
int lane_count = dsi_config->lane_count;
struct mdfld_dsi_dpi_timing dpi_timing;
struct drm_display_mode *mode = dsi_config->mode;
u32 val;
/*un-ready device*/
REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 0, 0, 0);
/*init dsi adapter before kicking off*/
REG_WRITE(MIPI_CTRL_REG(pipe), 0x00000018);
/*enable all interrupts*/
REG_WRITE(MIPI_INTR_EN_REG(pipe), 0xffffffff);
/*set up func_prg*/
val = lane_count;
val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET;
switch (dsi_config->bpp) {
case 16:
val |= DSI_DPI_COLOR_FORMAT_RGB565;
break;
case 18:
val |= DSI_DPI_COLOR_FORMAT_RGB666;
break;
case 24:
val |= DSI_DPI_COLOR_FORMAT_RGB888;
break;
default:
DRM_ERROR("unsupported color format, bpp = %d\n",
dsi_config->bpp);
}
REG_WRITE(MIPI_DSI_FUNC_PRG_REG(pipe), val);
REG_WRITE(MIPI_HS_TX_TIMEOUT_REG(pipe),
(mode->vtotal * mode->htotal * dsi_config->bpp /
(8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK);
REG_WRITE(MIPI_LP_RX_TIMEOUT_REG(pipe),
0xffff & DSI_LP_RX_TIMEOUT_MASK);
/*max value: 20 clock cycles of txclkesc*/
REG_WRITE(MIPI_TURN_AROUND_TIMEOUT_REG(pipe),
0x14 & DSI_TURN_AROUND_TIMEOUT_MASK);
/*min 21 txclkesc, max: ffffh*/
REG_WRITE(MIPI_DEVICE_RESET_TIMER_REG(pipe),
0xffff & DSI_RESET_TIMER_MASK);
REG_WRITE(MIPI_DPI_RESOLUTION_REG(pipe),
mode->vdisplay << 16 | mode->hdisplay);
/*set DPI timing registers*/
mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing,
dsi_config->lane_count, dsi_config->bpp);
REG_WRITE(MIPI_HSYNC_COUNT_REG(pipe),
dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
REG_WRITE(MIPI_HBP_COUNT_REG(pipe),
dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
REG_WRITE(MIPI_HFP_COUNT_REG(pipe),
dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
REG_WRITE(MIPI_HACTIVE_COUNT_REG(pipe),
dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
REG_WRITE(MIPI_VSYNC_COUNT_REG(pipe),
dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
REG_WRITE(MIPI_VBP_COUNT_REG(pipe),
dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
REG_WRITE(MIPI_VFP_COUNT_REG(pipe),
dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
REG_WRITE(MIPI_HIGH_LOW_SWITCH_COUNT_REG(pipe), 0x46);
/*min: 7d0 max: 4e20*/
REG_WRITE(MIPI_INIT_COUNT_REG(pipe), 0x000007d0);
/*set up video mode*/
val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE;
REG_WRITE(MIPI_VIDEO_MODE_FORMAT_REG(pipe), val);
REG_WRITE(MIPI_EOT_DISABLE_REG(pipe), 0x00000000);
REG_WRITE(MIPI_LP_BYTECLK_REG(pipe), 0x00000004);
/*TODO: figure out how to setup these registers*/
if (mdfld_get_panel_type(dev, pipe) == TC35876X)
REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x2A0c6008);
else
REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x150c3408);
REG_WRITE(MIPI_CLK_LANE_SWITCH_TIME_CNT_REG(pipe), (0xa << 16) | 0x14);
if (mdfld_get_panel_type(dev, pipe) == TC35876X)
tc35876x_set_bridge_reset_state(dev, 0); /*Pull High Reset */
/*set device ready*/
REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 1, 0, 0);
}
void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
struct drm_device *dev = dsi_config->dev;
struct drm_psb_private *dev_priv = dev->dev_private;
int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
u32 pipeconf_reg = PIPEACONF;
u32 dspcntr_reg = DSPACNTR;
u32 mipi_reg = MIPI;
u32 reg_offset = 0;
u32 pipeconf = dev_priv->pipeconf;
u32 dspcntr = dev_priv->dspcntr;
u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
dev_dbg(dev->dev, "set mode %dx%d on pipe %d\n",
mode->hdisplay, mode->vdisplay, pipe);
if(pipe) {
pipeconf_reg = PIPECCONF;
dspcntr_reg = DSPCCNTR;
mipi_reg = MIPI_C;
reg_offset = MIPIC_REG_OFFSET;
} else {
mipi |= 2;
}
if (!gma_power_begin(dev, true))
return;
/* Set up mipi port FIXME: do at init time */
REG_WRITE(mipi_reg, mipi);
REG_READ(mipi_reg);
/* Set up DSI controller DPI interface */
mdfld_dsi_dpi_controller_init(dsi_config, pipe);
if (mdfld_get_panel_type(dev, pipe) != TMD_VID) {
/* Turn on DPI interface */
mdfld_dsi_dpi_turn_on(dpi_output, pipe);
}
/* Set up pipe */
REG_WRITE(pipeconf_reg, pipeconf);
REG_READ(pipeconf_reg);
/* Set up display plane */
REG_WRITE(dspcntr_reg, dspcntr);
REG_READ(dspcntr_reg);
msleep(20); /* FIXME: this should wait for vblank */
dev_dbg(dev->dev, "State %x, power %d\n",
REG_READ(MIPIA_INTR_STAT_REG + reg_offset),
dpi_output->panel_on);
if (mdfld_get_panel_type(dev, pipe) != TMD_VID) {
/* Init driver ic */
mdfld_dsi_tpo_ic_init(dsi_config, pipe);
/* Init backlight */
mdfld_dsi_brightness_init(dsi_config, pipe);
}
gma_power_end(dev);
}
int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
int pipe)
{
struct mdfld_dsi_pkg_sender *pkg_sender;
struct mdfld_dsi_config *dsi_config =
mdfld_dsi_get_config(dsi_connector);
struct drm_device *dev = dsi_config->dev;
struct drm_psb_private *dev_priv = dev->dev_private;
const struct psb_offset *map = &dev_priv->regmap[pipe];
u32 mipi_val = 0;
if (!dsi_connector) {
DRM_ERROR("Invalid parameter\n");
return -EINVAL;
}
pkg_sender = dsi_connector->pkg_sender;
if (!pkg_sender || IS_ERR(pkg_sender)) {
pkg_sender = kzalloc(sizeof(struct mdfld_dsi_pkg_sender),
GFP_KERNEL);
if (!pkg_sender) {
DRM_ERROR("Create DSI pkg sender failed\n");
return -ENOMEM;
}
dsi_connector->pkg_sender = (void *)pkg_sender;
}
pkg_sender->dev = dev;
pkg_sender->dsi_connector = dsi_connector;
pkg_sender->pipe = pipe;
pkg_sender->pkg_num = 0;
pkg_sender->panel_mode = 0;
pkg_sender->status = MDFLD_DSI_PKG_SENDER_FREE;
/*init regs*/
/* FIXME: should just copy the regmap ptr ? */
pkg_sender->dpll_reg = map->dpll;
pkg_sender->dspcntr_reg = map->cntr;
pkg_sender->pipeconf_reg = map->conf;
pkg_sender->dsplinoff_reg = map->linoff;
pkg_sender->dspsurf_reg = map->surf;
pkg_sender->pipestat_reg = map->status;
pkg_sender->mipi_intr_stat_reg = MIPI_INTR_STAT_REG(pipe);
pkg_sender->mipi_lp_gen_data_reg = MIPI_LP_GEN_DATA_REG(pipe);
pkg_sender->mipi_hs_gen_data_reg = MIPI_HS_GEN_DATA_REG(pipe);
pkg_sender->mipi_lp_gen_ctrl_reg = MIPI_LP_GEN_CTRL_REG(pipe);
pkg_sender->mipi_hs_gen_ctrl_reg = MIPI_HS_GEN_CTRL_REG(pipe);
pkg_sender->mipi_gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
pkg_sender->mipi_data_addr_reg = MIPI_DATA_ADD_REG(pipe);
pkg_sender->mipi_data_len_reg = MIPI_DATA_LEN_REG(pipe);
pkg_sender->mipi_cmd_addr_reg = MIPI_CMD_ADD_REG(pipe);
pkg_sender->mipi_cmd_len_reg = MIPI_CMD_LEN_REG(pipe);
/*init lock*/
spin_lock_init(&pkg_sender->lock);
if (mdfld_get_panel_type(dev, pipe) != TC35876X) {
/**
* For video mode, don't enable DPI timing output here,
* will init the DPI timing output during mode setting.
*/
mipi_val = PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
if (pipe == 0)
mipi_val |= 0x2;
REG_WRITE(MIPI_PORT_CONTROL(pipe), mipi_val);
REG_READ(MIPI_PORT_CONTROL(pipe));
/* do dsi controller init */
mdfld_dsi_controller_init(dsi_config, pipe);
}
return 0;
}
