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dp_catalog.c
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dp_catalog.c
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/*
* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only 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.
*
*/
#define pr_fmt(fmt) "[drm-dp] %s: " fmt, __func__
#include <linux/delay.h>
#include <drm/drm_dp_helper.h>
#include "dp_catalog.h"
#include "dp_reg.h"
#define DP_GET_MSB(x) (x >> 8)
#define DP_GET_LSB(x) (x & 0xff)
#define dp_catalog_get_priv(x) ({ \
struct dp_catalog *dp_catalog; \
dp_catalog = container_of(x, struct dp_catalog, x); \
container_of(dp_catalog, struct dp_catalog_private, \
dp_catalog); \
})
#define DP_INTERRUPT_STATUS1 \
(DP_INTR_AUX_I2C_DONE| \
DP_INTR_WRONG_ADDR | DP_INTR_TIMEOUT | \
DP_INTR_NACK_DEFER | DP_INTR_WRONG_DATA_CNT | \
DP_INTR_I2C_NACK | DP_INTR_I2C_DEFER | \
DP_INTR_PLL_UNLOCKED | DP_INTR_AUX_ERROR)
#define DP_INTR_MASK1 (DP_INTERRUPT_STATUS1 << 2)
#define DP_INTERRUPT_STATUS2 \
(DP_INTR_READY_FOR_VIDEO | DP_INTR_IDLE_PATTERN_SENT | \
DP_INTR_FRAME_END | DP_INTR_CRC_UPDATED)
#define DP_INTR_MASK2 (DP_INTERRUPT_STATUS2 << 2)
#define DP_INTERRUPT_STATUS5 \
(DP_INTR_MST_DP0_VCPF_SENT | DP_INTR_MST_DP1_VCPF_SENT)
#define DP_INTR_MASK5 (DP_INTERRUPT_STATUS5 << 2)
#define dp_catalog_fill_io(x) { \
catalog->io.x = parser->get_io(parser, #x); \
}
#define dp_catalog_fill_io_buf(x) { \
parser->get_io_buf(parser, #x); \
}
static u8 const vm_pre_emphasis[4][4] = {
{0x00, 0x0B, 0x14, 0xFF}, /* pe0, 0 db */
{0x00, 0x0B, 0x12, 0xFF}, /* pe1, 3.5 db */
{0x00, 0x0B, 0xFF, 0xFF}, /* pe2, 6.0 db */
{0xFF, 0xFF, 0xFF, 0xFF} /* pe3, 9.5 db */
};
/* voltage swing, 0.2v and 1.0v are not support */
static u8 const vm_voltage_swing[4][4] = {
{0x07, 0x0F, 0x16, 0xFF}, /* sw0, 0.4v */
{0x11, 0x1E, 0x1F, 0xFF}, /* sw1, 0.6 v */
{0x19, 0x1F, 0xFF, 0xFF}, /* sw1, 0.8 v */
{0xFF, 0xFF, 0xFF, 0xFF} /* sw1, 1.2 v, optional */
};
static u8 const vm_pre_emphasis_hbr3_hbr2[4][4] = {
{0x00, 0x0C, 0x15, 0x1A},
{0x02, 0x0E, 0x16, 0xFF},
{0x02, 0x11, 0xFF, 0xFF},
{0x04, 0xFF, 0xFF, 0xFF}
};
static u8 const vm_voltage_swing_hbr3_hbr2[4][4] = {
{0x02, 0x12, 0x16, 0x1A},
{0x09, 0x19, 0x1F, 0xFF},
{0x10, 0x1F, 0xFF, 0xFF},
{0x1F, 0xFF, 0xFF, 0xFF}
};
static u8 const vm_pre_emphasis_hbr_rbr[4][4] = {
{0x00, 0x0C, 0x14, 0x19},
{0x00, 0x0B, 0x12, 0xFF},
{0x00, 0x0B, 0xFF, 0xFF},
{0x04, 0xFF, 0xFF, 0xFF}
};
static u8 const vm_voltage_swing_hbr_rbr[4][4] = {
{0x08, 0x0F, 0x16, 0x1F},
{0x11, 0x1E, 0x1F, 0xFF},
{0x19, 0x1F, 0xFF, 0xFF},
{0x1F, 0xFF, 0xFF, 0xFF}
};
struct dp_catalog_io {
struct dp_io_data *dp_ahb;
struct dp_io_data *dp_aux;
struct dp_io_data *dp_link;
struct dp_io_data *dp_p0;
struct dp_io_data *dp_phy;
struct dp_io_data *dp_ln_tx0;
struct dp_io_data *dp_ln_tx1;
struct dp_io_data *dp_mmss_cc;
struct dp_io_data *dp_pll;
struct dp_io_data *usb3_dp_com;
struct dp_io_data *hdcp_physical;
struct dp_io_data *dp_p1;
struct dp_io_data *dp_tcsr;
struct dp_io_data *dp_pixel_mn;
};
/* audio related catalog functions */
struct dp_catalog_private {
struct device *dev;
struct dp_catalog_io io;
struct dp_parser *parser;
u32 (*audio_map)[DP_AUDIO_SDP_HEADER_MAX];
struct dp_catalog dp_catalog;
char exe_mode[SZ_4];
};
/* aux related catalog functions */
static u32 dp_catalog_aux_read_data(struct dp_catalog_aux *aux)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
if (!aux) {
pr_err("invalid input\n");
goto end;
}
catalog = dp_catalog_get_priv(aux);
io_data = catalog->io.dp_aux;
return dp_read(catalog->exe_mode, io_data, DP_AUX_DATA);
end:
return 0;
}
static int dp_catalog_aux_write_data(struct dp_catalog_aux *aux)
{
int rc = 0;
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
if (!aux) {
pr_err("invalid input\n");
rc = -EINVAL;
goto end;
}
catalog = dp_catalog_get_priv(aux);
io_data = catalog->io.dp_aux;
dp_write(catalog->exe_mode, io_data, DP_AUX_DATA, aux->data);
end:
return rc;
}
static int dp_catalog_aux_write_trans(struct dp_catalog_aux *aux)
{
int rc = 0;
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
if (!aux) {
pr_err("invalid input\n");
rc = -EINVAL;
goto end;
}
catalog = dp_catalog_get_priv(aux);
io_data = catalog->io.dp_aux;
dp_write(catalog->exe_mode, io_data, DP_AUX_TRANS_CTRL, aux->data);
end:
return rc;
}
static int dp_catalog_aux_clear_trans(struct dp_catalog_aux *aux, bool read)
{
int rc = 0;
u32 data = 0;
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
if (!aux) {
pr_err("invalid input\n");
rc = -EINVAL;
goto end;
}
catalog = dp_catalog_get_priv(aux);
io_data = catalog->io.dp_aux;
if (read) {
data = dp_read(catalog->exe_mode, io_data, DP_AUX_TRANS_CTRL);
data &= ~BIT(9);
dp_write(catalog->exe_mode, io_data, DP_AUX_TRANS_CTRL, data);
} else {
dp_write(catalog->exe_mode, io_data, DP_AUX_TRANS_CTRL, 0);
}
end:
return rc;
}
static void dp_catalog_aux_clear_hw_interrupts(struct dp_catalog_aux *aux)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
u32 data = 0;
if (!aux) {
pr_err("invalid input\n");
return;
}
catalog = dp_catalog_get_priv(aux);
io_data = catalog->io.dp_phy;
data = dp_read(catalog->exe_mode, io_data, DP_PHY_AUX_INTERRUPT_STATUS);
dp_write(catalog->exe_mode, io_data, DP_PHY_AUX_INTERRUPT_CLEAR, 0x1f);
wmb(); /* make sure 0x1f is written before next write */
dp_write(catalog->exe_mode, io_data, DP_PHY_AUX_INTERRUPT_CLEAR, 0x9f);
wmb(); /* make sure 0x9f is written before next write */
dp_write(catalog->exe_mode, io_data, DP_PHY_AUX_INTERRUPT_CLEAR, 0);
wmb(); /* make sure register is cleared */
}
static void dp_catalog_aux_reset(struct dp_catalog_aux *aux)
{
u32 aux_ctrl;
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
if (!aux) {
pr_err("invalid input\n");
return;
}
catalog = dp_catalog_get_priv(aux);
io_data = catalog->io.dp_aux;
aux_ctrl = dp_read(catalog->exe_mode, io_data, DP_AUX_CTRL);
aux_ctrl |= BIT(1);
dp_write(catalog->exe_mode, io_data, DP_AUX_CTRL, aux_ctrl);
usleep_range(1000, 1010); /* h/w recommended delay */
aux_ctrl &= ~BIT(1);
dp_write(catalog->exe_mode, io_data, DP_AUX_CTRL, aux_ctrl);
wmb(); /* make sure AUX reset is done here */
}
static void dp_catalog_aux_enable(struct dp_catalog_aux *aux, bool enable)
{
u32 aux_ctrl;
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
if (!aux) {
pr_err("invalid input\n");
return;
}
catalog = dp_catalog_get_priv(aux);
io_data = catalog->io.dp_aux;
aux_ctrl = dp_read(catalog->exe_mode, io_data, DP_AUX_CTRL);
if (enable) {
aux_ctrl |= BIT(0);
dp_write(catalog->exe_mode, io_data, DP_AUX_CTRL, aux_ctrl);
wmb(); /* make sure AUX module is enabled */
dp_write(catalog->exe_mode, io_data, DP_TIMEOUT_COUNT, 0xffff);
dp_write(catalog->exe_mode, io_data, DP_AUX_LIMITS, 0xffff);
} else {
aux_ctrl &= ~BIT(0);
dp_write(catalog->exe_mode, io_data, DP_AUX_CTRL, aux_ctrl);
}
}
static void dp_catalog_aux_update_cfg(struct dp_catalog_aux *aux,
struct dp_aux_cfg *cfg, enum dp_phy_aux_config_type type)
{
struct dp_catalog_private *catalog;
u32 new_index = 0, current_index = 0;
struct dp_io_data *io_data;
if (!aux || !cfg || (type >= PHY_AUX_CFG_MAX)) {
pr_err("invalid input\n");
return;
}
catalog = dp_catalog_get_priv(aux);
io_data = catalog->io.dp_phy;
current_index = cfg[type].current_index;
new_index = (current_index + 1) % cfg[type].cfg_cnt;
pr_debug("Updating %s from 0x%08x to 0x%08x\n",
dp_phy_aux_config_type_to_string(type),
cfg[type].lut[current_index], cfg[type].lut[new_index]);
dp_write(catalog->exe_mode, io_data, cfg[type].offset,
cfg[type].lut[new_index]);
cfg[type].current_index = new_index;
}
static void dp_catalog_aux_setup(struct dp_catalog_aux *aux,
struct dp_aux_cfg *cfg)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
int i = 0;
if (!aux || !cfg) {
pr_err("invalid input\n");
return;
}
catalog = dp_catalog_get_priv(aux);
io_data = catalog->io.dp_phy;
dp_write(catalog->exe_mode, io_data, DP_PHY_PD_CTL, 0x65);
wmb(); /* make sure PD programming happened */
/* Turn on BIAS current for PHY/PLL */
io_data = catalog->io.dp_pll;
dp_write(catalog->exe_mode, io_data, QSERDES_COM_BIAS_EN_CLKBUFLR_EN,
0x1b);
io_data = catalog->io.dp_phy;
dp_write(catalog->exe_mode, io_data, DP_PHY_PD_CTL, 0x02);
wmb(); /* make sure PD programming happened */
dp_write(catalog->exe_mode, io_data, DP_PHY_PD_CTL, 0x7d);
/* Turn on BIAS current for PHY/PLL */
io_data = catalog->io.dp_pll;
dp_write(catalog->exe_mode, io_data, QSERDES_COM_BIAS_EN_CLKBUFLR_EN,
0x3f);
/* DP AUX CFG register programming */
io_data = catalog->io.dp_phy;
for (i = 0; i < PHY_AUX_CFG_MAX; i++)
dp_write(catalog->exe_mode, io_data, cfg[i].offset,
cfg[i].lut[cfg[i].current_index]);
dp_write(catalog->exe_mode, io_data, DP_PHY_AUX_INTERRUPT_MASK, 0x1F);
wmb(); /* make sure AUX configuration is done before enabling it */
}
static void dp_catalog_aux_get_irq(struct dp_catalog_aux *aux, bool cmd_busy)
{
u32 ack;
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
if (!aux) {
pr_err("invalid input\n");
return;
}
catalog = dp_catalog_get_priv(aux);
io_data = catalog->io.dp_ahb;
aux->isr = dp_read(catalog->exe_mode, io_data, DP_INTR_STATUS);
aux->isr &= ~DP_INTR_MASK1;
ack = aux->isr & DP_INTERRUPT_STATUS1;
ack <<= 1;
ack |= DP_INTR_MASK1;
dp_write(catalog->exe_mode, io_data, DP_INTR_STATUS, ack);
}
/* controller related catalog functions */
static u32 dp_catalog_ctrl_read_hdcp_status(struct dp_catalog_ctrl *ctrl)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
if (!ctrl) {
pr_err("invalid input\n");
return -EINVAL;
}
catalog = dp_catalog_get_priv(ctrl);
io_data = catalog->io.dp_ahb;
return dp_read(catalog->exe_mode, io_data, DP_HDCP_STATUS);
}
static void dp_catalog_panel_setup_infoframe_sdp(struct dp_catalog_panel *panel)
{
struct dp_catalog_private *catalog;
struct drm_msm_ext_hdr_metadata *hdr;
struct dp_io_data *io_data;
u32 header, parity, data, mst_offset = 0;
u8 buf[SZ_128], off = 0;
if (!panel) {
pr_err("invalid input\n");
return;
}
if (panel->stream_id >= DP_STREAM_MAX) {
pr_err("invalid stream_id:%d\n", panel->stream_id);
return;
}
if (panel->stream_id == DP_STREAM_1)
mst_offset = MMSS_DP1_VSCEXT_0 - MMSS_DP_VSCEXT_0;
catalog = dp_catalog_get_priv(panel);
hdr = &panel->hdr_data.hdr_meta;
io_data = catalog->io.dp_link;
/* HEADER BYTE 1 */
header = panel->hdr_data.vscext_header_byte1;
parity = dp_header_get_parity(header);
data = ((header << HEADER_BYTE_1_BIT)
| (parity << PARITY_BYTE_1_BIT));
dp_write(catalog->exe_mode, io_data, MMSS_DP_VSCEXT_0 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
/* HEADER BYTE 2 */
header = panel->hdr_data.vscext_header_byte2;
parity = dp_header_get_parity(header);
data = ((header << HEADER_BYTE_2_BIT)
| (parity << PARITY_BYTE_2_BIT));
dp_write(catalog->exe_mode, io_data, MMSS_DP_VSCEXT_1 + mst_offset,
data);
/* HEADER BYTE 3 */
header = panel->hdr_data.vscext_header_byte3;
parity = dp_header_get_parity(header);
data = ((header << HEADER_BYTE_3_BIT)
| (parity << PARITY_BYTE_3_BIT));
data |= dp_read(catalog->exe_mode, io_data,
MMSS_DP_VSCEXT_1 + mst_offset);
dp_write(catalog->exe_mode, io_data, MMSS_DP_VSCEXT_1 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
data = panel->hdr_data.version;
data |= panel->hdr_data.length << 8;
data |= hdr->eotf << 16;
dp_write(catalog->exe_mode, io_data, MMSS_DP_VSCEXT_2 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
data = (DP_GET_LSB(hdr->display_primaries_x[0]) |
(DP_GET_MSB(hdr->display_primaries_x[0]) << 8) |
(DP_GET_LSB(hdr->display_primaries_y[0]) << 16) |
(DP_GET_MSB(hdr->display_primaries_y[0]) << 24));
dp_write(catalog->exe_mode, io_data, MMSS_DP_VSCEXT_3 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
data = (DP_GET_LSB(hdr->display_primaries_x[1]) |
(DP_GET_MSB(hdr->display_primaries_x[1]) << 8) |
(DP_GET_LSB(hdr->display_primaries_y[1]) << 16) |
(DP_GET_MSB(hdr->display_primaries_y[1]) << 24));
dp_write(catalog->exe_mode, io_data, MMSS_DP_VSCEXT_4 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
data = (DP_GET_LSB(hdr->display_primaries_x[2]) |
(DP_GET_MSB(hdr->display_primaries_x[2]) << 8) |
(DP_GET_LSB(hdr->display_primaries_y[2]) << 16) |
(DP_GET_MSB(hdr->display_primaries_y[2]) << 24));
dp_write(catalog->exe_mode, io_data, MMSS_DP_VSCEXT_5 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
data = (DP_GET_LSB(hdr->white_point_x) |
(DP_GET_MSB(hdr->white_point_x) << 8) |
(DP_GET_LSB(hdr->white_point_y) << 16) |
(DP_GET_MSB(hdr->white_point_y) << 24));
dp_write(catalog->exe_mode, io_data, MMSS_DP_VSCEXT_6 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
data = (DP_GET_LSB(hdr->max_luminance) |
(DP_GET_MSB(hdr->max_luminance) << 8) |
(DP_GET_LSB(hdr->min_luminance) << 16) |
(DP_GET_MSB(hdr->min_luminance) << 24));
dp_write(catalog->exe_mode, io_data, MMSS_DP_VSCEXT_7 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
data = (DP_GET_LSB(hdr->max_content_light_level) |
(DP_GET_MSB(hdr->max_content_light_level) << 8) |
(DP_GET_LSB(hdr->max_average_light_level) << 16) |
(DP_GET_MSB(hdr->max_average_light_level) << 24));
dp_write(catalog->exe_mode, io_data, MMSS_DP_VSCEXT_8 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
data = 0;
dp_write(catalog->exe_mode, io_data, MMSS_DP_VSCEXT_9 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
print_hex_dump(KERN_DEBUG, "[drm-dp] VSCEXT: ",
DUMP_PREFIX_NONE, 16, 4, buf, off, false);
}
static void dp_catalog_panel_setup_vsc_sdp(struct dp_catalog_panel *panel)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
u32 header, parity, data, mst_offset = 0;
u8 bpc, off = 0;
u8 buf[SZ_128];
if (!panel) {
pr_err("invalid input\n");
return;
}
if (panel->stream_id >= DP_STREAM_MAX) {
pr_err("invalid stream_id:%d\n", panel->stream_id);
return;
}
if (panel->stream_id == DP_STREAM_1)
mst_offset = MMSS_DP1_GENERIC0_0 - MMSS_DP_GENERIC0_0;
catalog = dp_catalog_get_priv(panel);
io_data = catalog->io.dp_link;
/* HEADER BYTE 1 */
header = panel->hdr_data.vsc_header_byte1;
parity = dp_header_get_parity(header);
data = ((header << HEADER_BYTE_1_BIT)
| (parity << PARITY_BYTE_1_BIT));
dp_write(catalog->exe_mode, io_data, MMSS_DP_GENERIC0_0 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
/* HEADER BYTE 2 */
header = panel->hdr_data.vsc_header_byte2;
parity = dp_header_get_parity(header);
data = ((header << HEADER_BYTE_2_BIT)
| (parity << PARITY_BYTE_2_BIT));
dp_write(catalog->exe_mode, io_data, MMSS_DP_GENERIC0_1 + mst_offset,
data);
/* HEADER BYTE 3 */
header = panel->hdr_data.vsc_header_byte3;
parity = dp_header_get_parity(header);
data = ((header << HEADER_BYTE_3_BIT)
| (parity << PARITY_BYTE_3_BIT));
data |= dp_read(catalog->exe_mode, io_data,
MMSS_DP_GENERIC0_1 + mst_offset);
dp_write(catalog->exe_mode, io_data, MMSS_DP_GENERIC0_1 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
data = 0;
dp_write(catalog->exe_mode, io_data, MMSS_DP_GENERIC0_2 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
dp_write(catalog->exe_mode, io_data, MMSS_DP_GENERIC0_3 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
dp_write(catalog->exe_mode, io_data, MMSS_DP_GENERIC0_4 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
dp_write(catalog->exe_mode, io_data, MMSS_DP_GENERIC0_5 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
switch (panel->hdr_data.bpc) {
default:
case 10:
bpc = BIT(1);
break;
case 8:
bpc = BIT(0);
break;
case 6:
bpc = 0;
break;
}
data = (panel->hdr_data.colorimetry & 0xF) |
((panel->hdr_data.pixel_encoding & 0xF) << 4) |
(bpc << 8) |
((panel->hdr_data.dynamic_range & 0x1) << 15) |
((panel->hdr_data.content_type & 0x7) << 16);
dp_write(catalog->exe_mode, io_data, MMSS_DP_GENERIC0_6 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
data = 0;
dp_write(catalog->exe_mode, io_data, MMSS_DP_GENERIC0_7 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
dp_write(catalog->exe_mode, io_data, MMSS_DP_GENERIC0_8 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
dp_write(catalog->exe_mode, io_data, MMSS_DP_GENERIC0_9 + mst_offset,
data);
memcpy(buf + off, &data, sizeof(data));
off += sizeof(data);
print_hex_dump(KERN_DEBUG, "[drm-dp] VSC: ",
DUMP_PREFIX_NONE, 16, 4, buf, off, false);
}
static void dp_catalog_panel_config_hdr(struct dp_catalog_panel *panel, bool en)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
u32 cfg, cfg2, misc;
u32 sdp_cfg_off = 0;
u32 sdp_cfg2_off = 0;
u32 sdp_cfg3_off = 0;
u32 misc1_misc0_off = 0;
if (!panel) {
pr_err("invalid input\n");
return;
}
if (panel->stream_id >= DP_STREAM_MAX) {
pr_err("invalid stream_id:%d\n", panel->stream_id);
return;
}
catalog = dp_catalog_get_priv(panel);
io_data = catalog->io.dp_link;
if (panel->stream_id == DP_STREAM_1) {
sdp_cfg_off = MMSS_DP1_SDP_CFG - MMSS_DP_SDP_CFG;
sdp_cfg2_off = MMSS_DP1_SDP_CFG2 - MMSS_DP_SDP_CFG2;
sdp_cfg3_off = MMSS_DP1_SDP_CFG3 - MMSS_DP_SDP_CFG3;
misc1_misc0_off = DP1_MISC1_MISC0 - DP_MISC1_MISC0;
}
cfg = dp_read(catalog->exe_mode, io_data,
MMSS_DP_SDP_CFG + sdp_cfg_off);
cfg2 = dp_read(catalog->exe_mode, io_data,
MMSS_DP_SDP_CFG2 + sdp_cfg2_off);
misc = dp_read(catalog->exe_mode, io_data,
DP_MISC1_MISC0 + misc1_misc0_off);
if (en) {
/* VSCEXT_SDP_EN, GEN0_SDP_EN */
cfg |= BIT(16) | BIT(17);
dp_write(catalog->exe_mode, io_data,
MMSS_DP_SDP_CFG + sdp_cfg_off, cfg);
/* EXTN_SDPSIZE GENERIC0_SDPSIZE */
cfg2 |= BIT(15) | BIT(16);
dp_write(catalog->exe_mode, io_data,
MMSS_DP_SDP_CFG2 + sdp_cfg2_off, cfg2);
dp_catalog_panel_setup_vsc_sdp(panel);
dp_catalog_panel_setup_infoframe_sdp(panel);
/* indicates presence of VSC (BIT(6) of MISC1) */
misc |= BIT(14);
if (panel->hdr_data.hdr_meta.eotf)
pr_debug("Enabled\n");
else
pr_debug("Reset\n");
} else {
/* VSCEXT_SDP_EN, GEN0_SDP_EN */
cfg &= ~BIT(16) & ~BIT(17);
dp_write(catalog->exe_mode, io_data,
MMSS_DP_SDP_CFG + sdp_cfg_off, cfg);
/* EXTN_SDPSIZE GENERIC0_SDPSIZE */
cfg2 &= ~BIT(15) & ~BIT(16);
dp_write(catalog->exe_mode, io_data,
MMSS_DP_SDP_CFG2 + sdp_cfg2_off, cfg2);
/* switch back to MSA */
misc &= ~BIT(14);
pr_debug("Disabled\n");
}
dp_write(catalog->exe_mode, io_data, DP_MISC1_MISC0 + misc1_misc0_off,
misc);
dp_write(catalog->exe_mode, io_data, MMSS_DP_SDP_CFG3 + sdp_cfg3_off,
0x01);
dp_write(catalog->exe_mode, io_data, MMSS_DP_SDP_CFG3 + sdp_cfg3_off,
0x00);
}
static void dp_catalog_panel_update_transfer_unit(
struct dp_catalog_panel *panel)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
if (!panel || panel->stream_id >= DP_STREAM_MAX) {
pr_err("invalid input\n");
return;
}
catalog = dp_catalog_get_priv(panel);
io_data = catalog->io.dp_link;
dp_write(catalog->exe_mode, io_data, DP_VALID_BOUNDARY,
panel->valid_boundary);
dp_write(catalog->exe_mode, io_data, DP_TU, panel->dp_tu);
dp_write(catalog->exe_mode, io_data, DP_VALID_BOUNDARY_2,
panel->valid_boundary2);
}
static void dp_catalog_ctrl_state_ctrl(struct dp_catalog_ctrl *ctrl, u32 state)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
if (!ctrl) {
pr_err("invalid input\n");
return;
}
catalog = dp_catalog_get_priv(ctrl);
io_data = catalog->io.dp_link;
dp_write(catalog->exe_mode, io_data, DP_STATE_CTRL, state);
/* make sure to change the hw state */
wmb();
}
static void dp_catalog_ctrl_config_ctrl(struct dp_catalog_ctrl *ctrl, u8 ln_cnt)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
u32 cfg;
if (!ctrl) {
pr_err("invalid input\n");
return;
}
catalog = dp_catalog_get_priv(ctrl);
io_data = catalog->io.dp_link;
cfg = dp_read(catalog->exe_mode, io_data, DP_CONFIGURATION_CTRL);
cfg &= ~(BIT(4) | BIT(5));
cfg |= (ln_cnt - 1) << 4;
cfg &= ~BIT(10);
dp_write(catalog->exe_mode, io_data, DP_CONFIGURATION_CTRL, cfg);
cfg = dp_read(catalog->exe_mode, io_data, DP_MAINLINK_CTRL);
cfg |= 0x02000000;
dp_write(catalog->exe_mode, io_data, DP_MAINLINK_CTRL, cfg);
pr_debug("DP_MAINLINK_CTRL=0x%x\n", cfg);
}
static void dp_catalog_panel_config_ctrl(struct dp_catalog_panel *panel,
u32 cfg)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
u32 strm_reg_off = 0, mainlink_ctrl;
if (!panel) {
pr_err("invalid input\n");
return;
}
if (panel->stream_id >= DP_STREAM_MAX) {
pr_err("invalid stream_id:%d\n", panel->stream_id);
return;
}
catalog = dp_catalog_get_priv(panel);
io_data = catalog->io.dp_link;
if (panel->stream_id == DP_STREAM_1)
strm_reg_off = DP1_CONFIGURATION_CTRL - DP_CONFIGURATION_CTRL;
pr_debug("DP_CONFIGURATION_CTRL=0x%x\n", cfg);
dp_write(catalog->exe_mode, io_data,
DP_CONFIGURATION_CTRL + strm_reg_off, cfg);
mainlink_ctrl = dp_read(catalog->exe_mode, io_data, DP_MAINLINK_CTRL);
if (panel->stream_id == DP_STREAM_0)
io_data = catalog->io.dp_p0;
else if (panel->stream_id == DP_STREAM_1)
io_data = catalog->io.dp_p1;
if (mainlink_ctrl & BIT(8))
dp_write(catalog->exe_mode, io_data, MMSS_DP_ASYNC_FIFO_CONFIG,
0x01);
else
dp_write(catalog->exe_mode, io_data, MMSS_DP_ASYNC_FIFO_CONFIG,
0x00);
}
static void dp_catalog_panel_config_dto(struct dp_catalog_panel *panel,
bool ack)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
u32 dsc_dto;
if (!panel) {
pr_err("invalid input\n");
return;
}
if (panel->stream_id >= DP_STREAM_MAX) {
pr_err("invalid stream_id:%d\n", panel->stream_id);
return;
}
catalog = dp_catalog_get_priv(panel);
io_data = catalog->io.dp_link;
switch (panel->stream_id) {
case DP_STREAM_0:
io_data = catalog->io.dp_p0;
break;
case DP_STREAM_1:
io_data = catalog->io.dp_p1;
break;
default:
pr_err("invalid stream id\n");
return;
}
dsc_dto = dp_read(catalog->exe_mode, io_data, MMSS_DP_DSC_DTO);
if (ack)
dsc_dto = BIT(1);
else
dsc_dto &= ~BIT(1);
dp_write(catalog->exe_mode, io_data, MMSS_DP_DSC_DTO, dsc_dto);
}
static void dp_catalog_ctrl_lane_mapping(struct dp_catalog_ctrl *ctrl,
bool flipped, char *lane_map)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
u8 l_map[4], i;
u32 lane_map_reg = 0;
if (!ctrl) {
pr_err("invalid input\n");
return;
}
catalog = dp_catalog_get_priv(ctrl);
io_data = catalog->io.dp_link;
for (i = 0; i < DP_MAX_PHY_LN; i++)
l_map[i] = lane_map[i];
lane_map_reg = ((l_map[3]&3)<<6)|((l_map[2]&3)<<4)|((l_map[1]&3)<<2)
|(l_map[0]&3);
dp_write(catalog->exe_mode, io_data, DP_LOGICAL2PHYSICAL_LANE_MAPPING,
lane_map_reg);
}
static void dp_catalog_ctrl_lane_pnswap(struct dp_catalog_ctrl *ctrl,
u8 ln_pnswap)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
u32 cfg0, cfg1;
catalog = dp_catalog_get_priv(ctrl);
cfg0 = 0x0a;
cfg1 = 0x0a;
cfg0 |= ((ln_pnswap >> 0) & 0x1) << 0;
cfg0 |= ((ln_pnswap >> 1) & 0x1) << 2;
cfg1 |= ((ln_pnswap >> 2) & 0x1) << 0;
cfg1 |= ((ln_pnswap >> 3) & 0x1) << 2;
io_data = catalog->io.dp_ln_tx0;
dp_write(catalog->exe_mode, io_data, TXn_TX_POL_INV, cfg0);
io_data = catalog->io.dp_ln_tx1;
dp_write(catalog->exe_mode, io_data, TXn_TX_POL_INV, cfg1);
}
static void dp_catalog_ctrl_mainlink_ctrl(struct dp_catalog_ctrl *ctrl,
bool enable)
{
u32 mainlink_ctrl, reg;
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
if (!ctrl) {
pr_err("invalid input\n");
return;
}
catalog = dp_catalog_get_priv(ctrl);
io_data = catalog->io.dp_link;
if (enable) {
reg = dp_read(catalog->exe_mode, io_data, DP_MAINLINK_CTRL);
mainlink_ctrl = reg & ~(0x03);
dp_write(catalog->exe_mode, io_data, DP_MAINLINK_CTRL,
mainlink_ctrl);
wmb(); /* make sure mainlink is turned off before reset */
mainlink_ctrl = reg | 0x02;
dp_write(catalog->exe_mode, io_data, DP_MAINLINK_CTRL,
mainlink_ctrl);
wmb(); /* make sure mainlink entered reset */
mainlink_ctrl = reg & ~(0x03);
dp_write(catalog->exe_mode, io_data, DP_MAINLINK_CTRL,
mainlink_ctrl);
wmb(); /* make sure mainlink reset done */
mainlink_ctrl = reg | 0x01;
dp_write(catalog->exe_mode, io_data, DP_MAINLINK_CTRL,
mainlink_ctrl);
wmb(); /* make sure mainlink turned on */
} else {
mainlink_ctrl = dp_read(catalog->exe_mode, io_data,
DP_MAINLINK_CTRL);
mainlink_ctrl &= ~BIT(0);
dp_write(catalog->exe_mode, io_data, DP_MAINLINK_CTRL,
mainlink_ctrl);
}
}
static void dp_catalog_panel_config_misc(struct dp_catalog_panel *panel)
{
struct dp_catalog_private *catalog;
struct dp_io_data *io_data;
u32 reg_offset = 0;
if (!panel) {
pr_err("invalid input\n");
return;
}
if (panel->stream_id >= DP_STREAM_MAX) {
pr_err("invalid stream_id:%d\n", panel->stream_id);
return;
}
catalog = dp_catalog_get_priv(panel);
io_data = catalog->io.dp_link;
if (panel->stream_id == DP_STREAM_1)
reg_offset = DP1_MISC1_MISC0 - DP_MISC1_MISC0;
pr_debug("misc settings = 0x%x\n", panel->misc_val);