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path: root/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
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Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c')
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c159
1 files changed, 139 insertions, 20 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
index 71510ee26e96..31a2c6331a1d 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
@@ -26,14 +26,98 @@ static const char *iommu_ports[] = {
static struct mdp5_platform_config *mdp5_get_config(struct platform_device *dev);
-static int mdp5_hw_init(struct msm_kms *kms)
+const struct mdp5_config *mdp5_cfg;
+
+static const struct mdp5_config msm8x74_config = {
+ .name = "msm8x74",
+ .ctl = {
+ .count = 5,
+ .base = { 0x00600, 0x00700, 0x00800, 0x00900, 0x00a00 },
+ },
+ .pipe_vig = {
+ .count = 3,
+ .base = { 0x01200, 0x01600, 0x01a00 },
+ },
+ .pipe_rgb = {
+ .count = 3,
+ .base = { 0x01e00, 0x02200, 0x02600 },
+ },
+ .pipe_dma = {
+ .count = 2,
+ .base = { 0x02a00, 0x02e00 },
+ },
+ .lm = {
+ .count = 5,
+ .base = { 0x03200, 0x03600, 0x03a00, 0x03e00, 0x04200 },
+ },
+ .dspp = {
+ .count = 3,
+ .base = { 0x04600, 0x04a00, 0x04e00 },
+ },
+ .ad = {
+ .count = 2,
+ .base = { 0x13100, 0x13300 }, /* NOTE: no ad in v1.0 */
+ },
+ .intf = {
+ .count = 4,
+ .base = { 0x12500, 0x12700, 0x12900, 0x12b00 },
+ },
+};
+
+static const struct mdp5_config apq8084_config = {
+ .name = "apq8084",
+ .ctl = {
+ .count = 5,
+ .base = { 0x00600, 0x00700, 0x00800, 0x00900, 0x00a00 },
+ },
+ .pipe_vig = {
+ .count = 4,
+ .base = { 0x01200, 0x01600, 0x01a00, 0x01e00 },
+ },
+ .pipe_rgb = {
+ .count = 4,
+ .base = { 0x02200, 0x02600, 0x02a00, 0x02e00 },
+ },
+ .pipe_dma = {
+ .count = 2,
+ .base = { 0x03200, 0x03600 },
+ },
+ .lm = {
+ .count = 6,
+ .base = { 0x03a00, 0x03e00, 0x04200, 0x04600, 0x04a00, 0x04e00 },
+ },
+ .dspp = {
+ .count = 4,
+ .base = { 0x05200, 0x05600, 0x05a00, 0x05e00 },
+
+ },
+ .ad = {
+ .count = 3,
+ .base = { 0x13500, 0x13700, 0x13900 },
+ },
+ .intf = {
+ .count = 5,
+ .base = { 0x12500, 0x12700, 0x12900, 0x12b00, 0x12d00 },
+ },
+};
+
+struct mdp5_config_entry {
+ int revision;
+ const struct mdp5_config *config;
+};
+
+static const struct mdp5_config_entry mdp5_configs[] = {
+ { .revision = 0, .config = &msm8x74_config },
+ { .revision = 2, .config = &msm8x74_config },
+ { .revision = 3, .config = &apq8084_config },
+};
+
+static int mdp5_select_hw_cfg(struct msm_kms *kms)
{
struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
struct drm_device *dev = mdp5_kms->dev;
uint32_t version, major, minor;
- int ret = 0;
-
- pm_runtime_get_sync(dev->dev);
+ int i, ret = 0;
mdp5_enable(mdp5_kms);
version = mdp5_read(mdp5_kms, REG_MDP5_MDP_VERSION);
@@ -44,8 +128,8 @@ static int mdp5_hw_init(struct msm_kms *kms)
DBG("found MDP5 version v%d.%d", major, minor);
- if ((major != 1) || ((minor != 0) && (minor != 2))) {
- dev_err(dev->dev, "unexpected MDP version: v%d.%d\n",
+ if (major != 1) {
+ dev_err(dev->dev, "unexpected MDP major version: v%d.%d\n",
major, minor);
ret = -ENXIO;
goto out;
@@ -53,6 +137,35 @@ static int mdp5_hw_init(struct msm_kms *kms)
mdp5_kms->rev = minor;
+ /* only after mdp5_cfg global pointer's init can we access the hw */
+ for (i = 0; i < ARRAY_SIZE(mdp5_configs); i++) {
+ if (mdp5_configs[i].revision != minor)
+ continue;
+ mdp5_kms->hw_cfg = mdp5_cfg = mdp5_configs[i].config;
+ break;
+ }
+ if (unlikely(!mdp5_kms->hw_cfg)) {
+ dev_err(dev->dev, "unexpected MDP minor revision: v%d.%d\n",
+ major, minor);
+ ret = -ENXIO;
+ goto out;
+ }
+
+ DBG("MDP5: %s config selected", mdp5_kms->hw_cfg->name);
+
+ return 0;
+out:
+ return ret;
+}
+
+static int mdp5_hw_init(struct msm_kms *kms)
+{
+ struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
+ struct drm_device *dev = mdp5_kms->dev;
+ int i;
+
+ pm_runtime_get_sync(dev->dev);
+
/* Magic unknown register writes:
*
* W VBIF:0x004 00000001 (mdss_mdp.c:839)
@@ -78,15 +191,13 @@ static int mdp5_hw_init(struct msm_kms *kms)
*/
mdp5_write(mdp5_kms, REG_MDP5_DISP_INTF_SEL, 0);
- mdp5_write(mdp5_kms, REG_MDP5_CTL_OP(0), 0);
- mdp5_write(mdp5_kms, REG_MDP5_CTL_OP(1), 0);
- mdp5_write(mdp5_kms, REG_MDP5_CTL_OP(2), 0);
- mdp5_write(mdp5_kms, REG_MDP5_CTL_OP(3), 0);
-out:
+ for (i = 0; i < mdp5_kms->hw_cfg->ctl.count; i++)
+ mdp5_write(mdp5_kms, REG_MDP5_CTL_OP(i), 0);
+
pm_runtime_put_sync(dev->dev);
- return ret;
+ return 0;
}
static long mdp5_round_pixclk(struct msm_kms *kms, unsigned long rate,
@@ -161,7 +272,7 @@ int mdp5_enable(struct mdp5_kms *mdp5_kms)
static int modeset_init(struct mdp5_kms *mdp5_kms)
{
static const enum mdp5_pipe crtcs[] = {
- SSPP_RGB0, SSPP_RGB1, SSPP_RGB2,
+ SSPP_RGB0, SSPP_RGB1, SSPP_RGB2, SSPP_RGB3,
};
struct drm_device *dev = mdp5_kms->dev;
struct msm_drm_private *priv = dev->dev_private;
@@ -169,7 +280,7 @@ static int modeset_init(struct mdp5_kms *mdp5_kms)
int i, ret;
/* construct CRTCs: */
- for (i = 0; i < ARRAY_SIZE(crtcs); i++) {
+ for (i = 0; i < mdp5_kms->hw_cfg->pipe_rgb.count; i++) {
struct drm_plane *plane;
struct drm_crtc *crtc;
@@ -246,7 +357,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
struct mdp5_kms *mdp5_kms;
struct msm_kms *kms = NULL;
struct msm_mmu *mmu;
- int ret;
+ int i, ret;
mdp5_kms = kzalloc(sizeof(*mdp5_kms), GFP_KERNEL);
if (!mdp5_kms) {
@@ -307,20 +418,22 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
ret = clk_set_rate(mdp5_kms->src_clk, config->max_clk);
+ ret = mdp5_select_hw_cfg(kms);
+ if (ret)
+ goto fail;
+
/* make sure things are off before attaching iommu (bootloader could
* have left things on, in which case we'll start getting faults if
* we don't disable):
*/
mdp5_enable(mdp5_kms);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_TIMING_ENGINE_EN(0), 0);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_TIMING_ENGINE_EN(1), 0);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_TIMING_ENGINE_EN(2), 0);
- mdp5_write(mdp5_kms, REG_MDP5_INTF_TIMING_ENGINE_EN(3), 0);
+ for (i = 0; i < mdp5_kms->hw_cfg->intf.count; i++)
+ mdp5_write(mdp5_kms, REG_MDP5_INTF_TIMING_ENGINE_EN(i), 0);
mdp5_disable(mdp5_kms);
mdelay(16);
if (config->iommu) {
- mmu = msm_iommu_new(dev, config->iommu);
+ mmu = msm_iommu_new(&pdev->dev, config->iommu);
if (IS_ERR(mmu)) {
ret = PTR_ERR(mmu);
dev_err(dev->dev, "failed to init iommu: %d\n", ret);
@@ -368,5 +481,11 @@ static struct mdp5_platform_config *mdp5_get_config(struct platform_device *dev)
#ifdef CONFIG_OF
/* TODO */
#endif
+ config.iommu = iommu_domain_alloc(&platform_bus_type);
+ /* TODO hard-coded in downstream mdss, but should it be? */
+ config.max_clk = 200000000;
+ /* TODO get from DT: */
+ config.smp_blk_cnt = 22;
+
return &config;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-27 05:12:58 +0000