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Diffstat (limited to 'drivers/gpu/drm/msm/dsi')
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi.h1
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_cfg.c28
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_cfg.h1
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_host.c3
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy.c8
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy.h1
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c60
7 files changed, 85 insertions, 17 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h
index 0da8a4e428ad..eff1a4c61258 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.h
+++ b/drivers/gpu/drm/msm/dsi/dsi.h
@@ -9,6 +9,7 @@
#include <linux/of_platform.h>
#include <linux/platform_device.h>
+#include <drm/drm_bridge.h>
#include <drm/drm_crtc.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_panel.h>
diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
index b7b7c1a9164a..86ad3fdf207d 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
@@ -66,6 +66,26 @@ static const struct msm_dsi_config msm8916_dsi_cfg = {
.num_dsi = 1,
};
+static const char * const dsi_8976_bus_clk_names[] = {
+ "mdp_core", "iface", "bus",
+};
+
+static const struct msm_dsi_config msm8976_dsi_cfg = {
+ .io_offset = DSI_6G_REG_SHIFT,
+ .reg_cfg = {
+ .num = 3,
+ .regs = {
+ {"gdsc", -1, -1},
+ {"vdda", 100000, 100}, /* 1.2 V */
+ {"vddio", 100000, 100}, /* 1.8 V */
+ },
+ },
+ .bus_clk_names = dsi_8976_bus_clk_names,
+ .num_bus_clks = ARRAY_SIZE(dsi_8976_bus_clk_names),
+ .io_start = { 0x1a94000, 0x1a96000 },
+ .num_dsi = 2,
+};
+
static const struct msm_dsi_config msm8994_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
@@ -147,7 +167,7 @@ static const struct msm_dsi_config sdm845_dsi_cfg = {
.num_dsi = 2,
};
-const static struct msm_dsi_host_cfg_ops msm_dsi_v2_host_ops = {
+static const struct msm_dsi_host_cfg_ops msm_dsi_v2_host_ops = {
.link_clk_enable = dsi_link_clk_enable_v2,
.link_clk_disable = dsi_link_clk_disable_v2,
.clk_init_ver = dsi_clk_init_v2,
@@ -158,7 +178,7 @@ const static struct msm_dsi_host_cfg_ops msm_dsi_v2_host_ops = {
.calc_clk_rate = dsi_calc_clk_rate_v2,
};
-const static struct msm_dsi_host_cfg_ops msm_dsi_6g_host_ops = {
+static const struct msm_dsi_host_cfg_ops msm_dsi_6g_host_ops = {
.link_clk_enable = dsi_link_clk_enable_6g,
.link_clk_disable = dsi_link_clk_disable_6g,
.clk_init_ver = NULL,
@@ -169,7 +189,7 @@ const static struct msm_dsi_host_cfg_ops msm_dsi_6g_host_ops = {
.calc_clk_rate = dsi_calc_clk_rate_6g,
};
-const static struct msm_dsi_host_cfg_ops msm_dsi_6g_v2_host_ops = {
+static const struct msm_dsi_host_cfg_ops msm_dsi_6g_v2_host_ops = {
.link_clk_enable = dsi_link_clk_enable_6g,
.link_clk_disable = dsi_link_clk_disable_6g,
.clk_init_ver = dsi_clk_init_6g_v2,
@@ -197,6 +217,8 @@ static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
&msm8916_dsi_cfg, &msm_dsi_6g_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_4_1,
&msm8996_dsi_cfg, &msm_dsi_6g_host_ops},
+ {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_4_2,
+ &msm8976_dsi_cfg, &msm_dsi_6g_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_0,
&msm8998_dsi_cfg, &msm_dsi_6g_v2_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_1,
diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.h b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
index e2b7a7dfbe49..50a37ceb6a25 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_cfg.h
+++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
@@ -17,6 +17,7 @@
#define MSM_DSI_6G_VER_MINOR_V1_3 0x10030000
#define MSM_DSI_6G_VER_MINOR_V1_3_1 0x10030001
#define MSM_DSI_6G_VER_MINOR_V1_4_1 0x10040001
+#define MSM_DSI_6G_VER_MINOR_V1_4_2 0x10040002
#define MSM_DSI_6G_VER_MINOR_V2_2_0 0x20000000
#define MSM_DSI_6G_VER_MINOR_V2_2_1 0x20020001
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 1e7b1be25bb0..458cec82ae13 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1293,14 +1293,13 @@ static int dsi_cmd_dma_tx(struct msm_dsi_host *msm_host, int len)
static int dsi_cmd_dma_rx(struct msm_dsi_host *msm_host,
u8 *buf, int rx_byte, int pkt_size)
{
- u32 *lp, *temp, data;
+ u32 *temp, data;
int i, j = 0, cnt;
u32 read_cnt;
u8 reg[16];
int repeated_bytes = 0;
int buf_offset = buf - msm_host->rx_buf;
- lp = (u32 *)buf;
temp = (u32 *)reg;
cnt = (rx_byte + 3) >> 2;
if (cnt > 4)
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index 3522863a4984..b0cfa67d2a57 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -145,7 +145,7 @@ int msm_dsi_dphy_timing_calc_v2(struct msm_dsi_dphy_timing *timing,
{
const unsigned long bit_rate = clk_req->bitclk_rate;
const unsigned long esc_rate = clk_req->escclk_rate;
- s32 ui, ui_x8, lpx;
+ s32 ui, ui_x8;
s32 tmax, tmin;
s32 pcnt0 = 50;
s32 pcnt1 = 50;
@@ -175,7 +175,6 @@ int msm_dsi_dphy_timing_calc_v2(struct msm_dsi_dphy_timing *timing,
ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000);
ui_x8 = ui << 3;
- lpx = mult_frac(NSEC_PER_MSEC, coeff, esc_rate / 1000);
temp = S_DIV_ROUND_UP(38 * coeff - val_ckln * ui, ui_x8);
tmin = max_t(s32, temp, 0);
@@ -262,7 +261,7 @@ int msm_dsi_dphy_timing_calc_v3(struct msm_dsi_dphy_timing *timing,
{
const unsigned long bit_rate = clk_req->bitclk_rate;
const unsigned long esc_rate = clk_req->escclk_rate;
- s32 ui, ui_x8, lpx;
+ s32 ui, ui_x8;
s32 tmax, tmin;
s32 pcnt0 = 50;
s32 pcnt1 = 50;
@@ -284,7 +283,6 @@ int msm_dsi_dphy_timing_calc_v3(struct msm_dsi_dphy_timing *timing,
ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000);
ui_x8 = ui << 3;
- lpx = mult_frac(NSEC_PER_MSEC, coeff, esc_rate / 1000);
temp = S_DIV_ROUND_UP(38 * coeff, ui_x8);
tmin = max_t(s32, temp, 0);
@@ -485,6 +483,8 @@ static const struct of_device_id dsi_phy_dt_match[] = {
#ifdef CONFIG_DRM_MSM_DSI_28NM_PHY
{ .compatible = "qcom,dsi-phy-28nm-hpm",
.data = &dsi_phy_28nm_hpm_cfgs },
+ { .compatible = "qcom,dsi-phy-28nm-hpm-fam-b",
+ .data = &dsi_phy_28nm_hpm_famb_cfgs },
{ .compatible = "qcom,dsi-phy-28nm-lp",
.data = &dsi_phy_28nm_lp_cfgs },
#endif
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
index c4069ce6afe6..24b294ed3059 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
@@ -40,6 +40,7 @@ struct msm_dsi_phy_cfg {
};
extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_20nm_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs;
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
index b3f678f6c2aa..c3c580cfd8b1 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -39,15 +39,10 @@ static void dsi_28nm_dphy_set_timing(struct msm_dsi_phy *phy,
DSI_28nm_PHY_TIMING_CTRL_11_TRIG3_CMD(0));
}
-static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
+static void dsi_28nm_phy_regulator_enable_dcdc(struct msm_dsi_phy *phy)
{
void __iomem *base = phy->reg_base;
- if (!enable) {
- dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
- return;
- }
-
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x0);
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 1);
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_5, 0);
@@ -56,6 +51,39 @@ static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_1, 0x9);
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x7);
dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_4, 0x20);
+ dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x00);
+}
+
+static void dsi_28nm_phy_regulator_enable_ldo(struct msm_dsi_phy *phy)
+{
+ void __iomem *base = phy->reg_base;
+
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x0);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_5, 0x7);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_3, 0);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_2, 0x1);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_1, 0x1);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_4, 0x20);
+
+ if (phy->cfg->type == MSM_DSI_PHY_28NM_LP)
+ dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x05);
+ else
+ dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x0d);
+}
+
+static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
+{
+ if (!enable) {
+ dsi_phy_write(phy->reg_base +
+ REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
+ return;
+ }
+
+ if (phy->regulator_ldo_mode)
+ dsi_28nm_phy_regulator_enable_ldo(phy);
+ else
+ dsi_28nm_phy_regulator_enable_dcdc(phy);
}
static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
@@ -77,8 +105,6 @@ static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
dsi_28nm_phy_regulator_ctrl(phy, true);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x00);
-
dsi_28nm_dphy_set_timing(phy, timing);
dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_1, 0x00);
@@ -142,6 +168,24 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = {
.num_dsi_phy = 2,
};
+const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs = {
+ .type = MSM_DSI_PHY_28NM_HPM,
+ .src_pll_truthtable = { {true, true}, {false, true} },
+ .reg_cfg = {
+ .num = 1,
+ .regs = {
+ {"vddio", 100000, 100},
+ },
+ },
+ .ops = {
+ .enable = dsi_28nm_phy_enable,
+ .disable = dsi_28nm_phy_disable,
+ .init = msm_dsi_phy_init_common,
+ },
+ .io_start = { 0x1a94400, 0x1a96400 },
+ .num_dsi_phy = 2,
+};
+
const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = {
.type = MSM_DSI_PHY_28NM_LP,
.src_pll_truthtable = { {true, true}, {true, true} },
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