static void s6e8aa0_set_maximum_return_packet_size(struct s6e8aa0 *ctx,
int size)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
const struct mipi_dsi_host_ops *ops = dsi->host->ops;
u8 buf[] = {size, 0};
struct mipi_dsi_msg msg = {
.channel = dsi->channel,
.type = MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE,
.tx_len = sizeof(buf),
.tx_buf = buf
};
int ret;
if (ctx->error < 0)
return;
if (!ops || !ops->transfer)
ret = -EIO;
else
ret = ops->transfer(dsi->host, &msg);
if (ret < 0) {
dev_err(ctx->dev,
"error %d setting maximum return packet size to %d\n",
ret, size);
ctx->error = ret;
}
}
static void s6e8aa0_read_mtp_id(struct s6e8aa0 *ctx)
{
u8 id[3];
int ret, i;
ret = s6e8aa0_dcs_read(ctx, 0xd1, id, ARRAY_SIZE(id));
if (ret < ARRAY_SIZE(id) || id[0] == 0x00) {
dev_err(ctx->dev, "read id failed\n");
ctx->error = -EIO;
return;
}
dev_info(ctx->dev, "ID: 0x%2x, 0x%2x, 0x%2x\n", id[0], id[1], id[2]);
for (i = 0; i < ARRAY_SIZE(s6e8aa0_variants); ++i) {
if (id[1] == s6e8aa0_variants[i].version)
break;
}
if (i >= ARRAY_SIZE(s6e8aa0_variants)) {
dev_err(ctx->dev, "unsupported display version %d\n", id[1]);
ctx->error = -EINVAL;
return;
}
ctx->variant = &s6e8aa0_variants[i];
ctx->version = id[1];
ctx->id = id[2];
}
static int s6e3ha2_disable(struct drm_panel *panel)
{
struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
int ret;
s6e3ha2_call_write_func(ret, mipi_dsi_dcs_enter_sleep_mode(dsi));
s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_off(dsi));
msleep(40);
ctx->bl_dev->props.power = FB_BLANK_NORMAL;
return 0;
}
static void s6e8aa0_dcs_write(struct s6e8aa0 *ctx, const void *data, size_t len)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
int ret;
if (ctx->error < 0)
return;
ret = mipi_dsi_dcs_write(dsi, dsi->channel, data, len);
if (ret < 0) {
dev_err(ctx->dev, "error %d writing dcs seq: %*ph\n", ret, len,
data);
ctx->error = ret;
}
}
static int s6e8aa0_dcs_read(struct s6e8aa0 *ctx, u8 cmd, void *data, size_t len)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
int ret;
if (ctx->error < 0)
return ctx->error;
ret = mipi_dsi_dcs_read(dsi, dsi->channel, cmd, data, len);
if (ret < 0) {
dev_err(ctx->dev, "error %d reading dcs seq(%#x)\n", ret, cmd);
ctx->error = ret;
}
return ret;
}
static int s6e3ha2_panel_init(struct s6e3ha2 *ctx)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
int ret;
s6e3ha2_call_write_func(ret, mipi_dsi_dcs_exit_sleep_mode(dsi));
usleep_range(5000, 6000);
s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_single_dsi_set(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_freq_calibration(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));
return 0;
}
static int s6e3ha2_enable(struct drm_panel *panel)
{
struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
int ret;
/* common setting */
s6e3ha2_call_write_func(ret,
mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK));
s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_touch_hsync_on1(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_pentile_control(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_poc_global(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_poc_setting(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx));
/* pcd setting off for TB */
s6e3ha2_call_write_func(ret, s6e3ha2_pcd_set_off(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_err_fg_set(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_te_start_setting(ctx));
/* brightness setting */
s6e3ha2_call_write_func(ret, s6e3ha2_set_brightness(ctx->bl_dev));
s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_caps_elvss_set(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_acl_off(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_acl_off_opr(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_hbm_off(ctx));
/* elvss temp compensation */
s6e3ha2_call_write_func(ret, s6e3ha2_test_global(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_test(ctx));
s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));
s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_on(dsi));
ctx->bl_dev->props.power = FB_BLANK_UNBLANK;
return 0;
}
static int s6e3ha2_dcs_write(struct s6e3ha2 *ctx, const void *data, size_t len)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
return mipi_dsi_dcs_write_buffer(dsi, data, len);
}