diff options
Diffstat (limited to 'drivers/gpu/drm/msm')
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_cfg.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_cfg.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_host.c | 33 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 32 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/phy/dsi_phy.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c | 2 |
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 93c1ee0..63436d8 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 a68c836..eeacc32 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 e6a8cd1..80d8594 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 e2f42d8..f39386e 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 0d54ed0..f24a854 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 f4bc11a..c757e20 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 96d1852..63d7fba 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 213355a..7bdb9de 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, }; |