summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_cfg.c8
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_cfg.h2
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_host.c33
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy.c32
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy.h2
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c4
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c4
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c2
8 files changed, 75 insertions, 12 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
index 93c1ee094eac..63436d8ee470 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
@@ -29,6 +29,8 @@ static const struct msm_dsi_config apq8064_dsi_cfg = {
},
.bus_clk_names = dsi_v2_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_v2_bus_clk_names),
+ .io_start = { 0x4700000, 0x5800000 },
+ .num_dsi = 2,
};
static const char * const dsi_6g_bus_clk_names[] = {
@@ -48,6 +50,8 @@ static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
},
.bus_clk_names = dsi_6g_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
+ .io_start = { 0xfd922800, 0xfd922b00 },
+ .num_dsi = 2,
};
static const char * const dsi_8916_bus_clk_names[] = {
@@ -66,6 +70,8 @@ static const struct msm_dsi_config msm8916_dsi_cfg = {
},
.bus_clk_names = dsi_8916_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_8916_bus_clk_names),
+ .io_start = { 0x1a98000 },
+ .num_dsi = 1,
};
static const struct msm_dsi_config msm8994_dsi_cfg = {
@@ -84,6 +90,8 @@ static const struct msm_dsi_config msm8994_dsi_cfg = {
},
.bus_clk_names = dsi_6g_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
+ .io_start = { 0xfd998000, 0xfd9a0000 },
+ .num_dsi = 2,
};
static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.h b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
index a68c836744a3..eeacc3232494 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_cfg.h
+++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
@@ -34,6 +34,8 @@ struct msm_dsi_config {
struct dsi_reg_config reg_cfg;
const char * const *bus_clk_names;
const int num_bus_clks;
+ const resource_size_t io_start[DSI_MAX];
+ const int num_dsi;
};
struct msm_dsi_cfg_handler {
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index e6a8cd1b6462..80d8594c68ba 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1605,13 +1605,6 @@ static int dsi_host_parse_dt(struct msm_dsi_host *msm_host)
struct device_node *endpoint, *device_node;
int ret;
- ret = of_property_read_u32(np, "qcom,dsi-host-index", &msm_host->id);
- if (ret) {
- dev_err(dev, "%s: host index not specified, ret=%d\n",
- __func__, ret);
- return ret;
- }
-
/*
* Get the endpoint of the output port of the DSI host. In our case,
* this is mapped to port number with reg = 1. Don't return an error if
@@ -1659,6 +1652,25 @@ err:
return ret;
}
+static int dsi_host_get_id(struct msm_dsi_host *msm_host)
+{
+ struct platform_device *pdev = msm_host->pdev;
+ const struct msm_dsi_config *cfg = msm_host->cfg_hnd->cfg;
+ struct resource *res;
+ int i;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dsi_ctrl");
+ if (!res)
+ return -EINVAL;
+
+ for (i = 0; i < cfg->num_dsi; i++) {
+ if (cfg->io_start[i] == res->start)
+ return i;
+ }
+
+ return -EINVAL;
+}
+
int msm_dsi_host_init(struct msm_dsi *msm_dsi)
{
struct msm_dsi_host *msm_host = NULL;
@@ -1695,6 +1707,13 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi)
goto fail;
}
+ msm_host->id = dsi_host_get_id(msm_host);
+ if (msm_host->id < 0) {
+ ret = msm_host->id;
+ pr_err("%s: unable to identify DSI host index\n", __func__);
+ goto fail;
+ }
+
/* fixup base address by io offset */
msm_host->ctrl_base += msm_host->cfg_hnd->cfg->io_offset;
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index e2f42d8ea294..f39386ed75e4 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -271,6 +271,30 @@ static const struct of_device_id dsi_phy_dt_match[] = {
{}
};
+/*
+ * Currently, we only support one SoC for each PHY type. When we have multiple
+ * SoCs for the same PHY, we can try to make the index searching a bit more
+ * clever.
+ */
+static int dsi_phy_get_id(struct msm_dsi_phy *phy)
+{
+ struct platform_device *pdev = phy->pdev;
+ const struct msm_dsi_phy_cfg *cfg = phy->cfg;
+ struct resource *res;
+ int i;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dsi_phy");
+ if (!res)
+ return -EINVAL;
+
+ for (i = 0; i < cfg->num_dsi_phy; i++) {
+ if (cfg->io_start[i] == res->start)
+ return i;
+ }
+
+ return -EINVAL;
+}
+
static int dsi_phy_driver_probe(struct platform_device *pdev)
{
struct msm_dsi_phy *phy;
@@ -289,10 +313,10 @@ static int dsi_phy_driver_probe(struct platform_device *pdev)
phy->cfg = match->data;
phy->pdev = pdev;
- ret = of_property_read_u32(dev->of_node,
- "qcom,dsi-phy-index", &phy->id);
- if (ret) {
- dev_err(dev, "%s: PHY index not specified, %d\n",
+ phy->id = dsi_phy_get_id(phy);
+ if (phy->id < 0) {
+ ret = phy->id;
+ dev_err(dev, "%s: couldn't identify PHY index, %d\n",
__func__, ret);
goto fail;
}
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
index 0d54ed00386d..f24a85439b94 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
@@ -38,6 +38,8 @@ struct msm_dsi_phy_cfg {
* Fill default H/W values in illegal cells, eg. cell {0, 1}.
*/
bool src_pll_truthtable[DSI_MAX][DSI_MAX];
+ const resource_size_t io_start[DSI_MAX];
+ const int num_dsi_phy;
};
extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs;
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
index f4bc11af849a..c757e2070cac 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
@@ -145,6 +145,8 @@ const struct msm_dsi_phy_cfg dsi_phy_20nm_cfgs = {
.ops = {
.enable = dsi_20nm_phy_enable,
.disable = dsi_20nm_phy_disable,
- }
+ },
+ .io_start = { 0xfd998300, 0xfd9a0300 },
+ .num_dsi_phy = 2,
};
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 96d1852af418..63d7fba31380 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -145,6 +145,8 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = {
.enable = dsi_28nm_phy_enable,
.disable = dsi_28nm_phy_disable,
},
+ .io_start = { 0xfd922b00, 0xfd923100 },
+ .num_dsi_phy = 2,
};
const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = {
@@ -160,5 +162,7 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = {
.enable = dsi_28nm_phy_enable,
.disable = dsi_28nm_phy_disable,
},
+ .io_start = { 0x1a98500 },
+ .num_dsi_phy = 1,
};
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
index 213355a3e767..7bdb9de54968 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
@@ -192,4 +192,6 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs = {
.enable = dsi_28nm_phy_enable,
.disable = dsi_28nm_phy_disable,
},
+ .io_start = { 0x4700300, 0x5800300 },
+ .num_dsi_phy = 2,
};
generated by cgit (git 2.34.1) at 2024-07-07 18:08:21 +0000