From: Edmund Dea <edmund.j.dea@xxxxxxxxx>
to remove compiler warnings and general clean up
v2: minor code review changes
v3: upclassed dev_private, corrected spelling
Signed-off-by: Edmund Dea <edmund.j.dea@xxxxxxxxx>
---
drivers/gpu/drm/kmb/kmb_crtc.c | 46 +-
drivers/gpu/drm/kmb/kmb_crtc.h | 6 +-
drivers/gpu/drm/kmb/kmb_drv.c | 111 ++--
drivers/gpu/drm/kmb/kmb_drv.h | 107 ++--
drivers/gpu/drm/kmb/kmb_dsi.c | 1074 +++++++++++++++++++++------------------
drivers/gpu/drm/kmb/kmb_dsi.h | 84 ++-
drivers/gpu/drm/kmb/kmb_plane.c | 155 ++----
drivers/gpu/drm/kmb/kmb_plane.h | 74 ++-
drivers/gpu/drm/kmb/kmb_regs.h | 29 +-
9 files changed, 894 insertions(+), 792 deletions(-)
diff --git a/drivers/gpu/drm/kmb/kmb_crtc.c b/drivers/gpu/drm/kmb/kmb_crtc.c
index c390bbe..aceca94 100644
--- a/drivers/gpu/drm/kmb/kmb_crtc.c
+++ b/drivers/gpu/drm/kmb/kmb_crtc.c
@@ -39,10 +39,10 @@ static int kmb_crtc_enable_vblank(struct drm_crtc *crtc)
kmb_write_lcd(dev_p, LCD_INT_CLEAR, LCD_INT_VERT_COMP);
/*set which interval to generate vertical interrupt */
kmb_write_lcd(dev_p, LCD_VSTATUS_COMPARE,
- LCD_VSTATUS_COMPARE_VSYNC);
+ LCD_VSTATUS_COMPARE_VSYNC);
/* enable vertical interrupt */
kmb_set_bitmask_lcd(dev_p, LCD_INT_ENABLE,
- LCD_INT_VERT_COMP);
+ LCD_INT_VERT_COMP);
return 0;
}
@@ -83,38 +83,38 @@ static void kmb_crtc_mode_set_nofb(struct drm_crtc *crtc)
/* initialize mipi */
kmb_dsi_hw_init(dev, m);
DRM_INFO("vfp= %d vbp= %d vsyc_len=%d hfp=%d hbp=%d hsync_len=%d\n",
- m->crtc_vsync_start - m->crtc_vdisplay,
- m->crtc_vtotal - m->crtc_vsync_end,
- m->crtc_vsync_end - m->crtc_vsync_start,
- m->crtc_hsync_start - m->crtc_hdisplay,
- m->crtc_htotal - m->crtc_hsync_end,
- m->crtc_hsync_end - m->crtc_hsync_start);
+ m->crtc_vsync_start - m->crtc_vdisplay,
+ m->crtc_vtotal - m->crtc_vsync_end,
+ m->crtc_vsync_end - m->crtc_vsync_start,
+ m->crtc_hsync_start - m->crtc_hdisplay,
+ m->crtc_htotal - m->crtc_hsync_end,
+ m->crtc_hsync_end - m->crtc_hsync_start);
val = kmb_read_lcd(dev_p, LCD_INT_ENABLE);
kmb_clr_bitmask_lcd(dev_p, LCD_INT_ENABLE, val);
kmb_set_bitmask_lcd(dev_p, LCD_INT_CLEAR, ~0x0);
-// vm.vfront_porch = m->crtc_vsync_start - m->crtc_vdisplay;
+// vm.vfront_porch = m->crtc_vsync_start - m->crtc_vdisplay;
vm.vfront_porch = 2;
-// vm.vback_porch = m->crtc_vtotal - m->crtc_vsync_end;
+// vm.vback_porch = m->crtc_vtotal - m->crtc_vsync_end;
vm.vback_porch = 2;
-// vm.vsync_len = m->crtc_vsync_end - m->crtc_vsync_start;
+// vm.vsync_len = m->crtc_vsync_end - m->crtc_vsync_start;
vm.vsync_len = 1;
//vm.hfront_porch = m->crtc_hsync_start - m->crtc_hdisplay;
vm.hfront_porch = 0;
vm.hback_porch = 0;
//vm.hback_porch = m->crtc_htotal - m->crtc_hsync_end;
vm.hsync_len = 7;
-// vm.hsync_len = m->crtc_hsync_end - m->crtc_hsync_start;
+// vm.hsync_len = m->crtc_hsync_end - m->crtc_hsync_start;
vsync_start_offset = m->crtc_vsync_start - m->crtc_hsync_start;
vsync_end_offset = m->crtc_vsync_end - m->crtc_hsync_end;
- DRM_INFO("%s : %dactive height= %d vbp=%d vfp=%d vsync-w=%d h-active=%d h-bp=%d h-fp=%d hysnc-l=%d\n",
- __func__, __LINE__, m->crtc_vdisplay,
- vm.vback_porch, vm.vfront_porch,
- vm.vsync_len, m->crtc_hdisplay,
- vm.hback_porch, vm.hfront_porch, vm.hsync_len);
+ DRM_DEBUG
+ ("%s : %dactive height= %d vbp=%d vfp=%d vsync-w=%d h-active=%d h-bp=%d h-fp=%d hysnc-l=%d",
+ __func__, __LINE__, m->crtc_vdisplay, vm.vback_porch,
+ vm.vfront_porch, vm.vsync_len, m->crtc_hdisplay, vm.hback_porch,
+ vm.hfront_porch, vm.hsync_len);
kmb_write_lcd(dev_p, LCD_V_ACTIVEHEIGHT,
- m->crtc_vdisplay - 1);
+ m->crtc_vdisplay - 1);
kmb_write_lcd(dev_p, LCD_V_BACKPORCH, vm.vback_porch);
kmb_write_lcd(dev_p, LCD_V_FRONTPORCH, vm.vfront_porch);
kmb_write_lcd(dev_p, LCD_VSYNC_WIDTH, vm.vsync_len - 1);
@@ -129,14 +129,14 @@ static void kmb_crtc_mode_set_nofb(struct drm_crtc *crtc)
if (m->flags == DRM_MODE_FLAG_INTERLACE) {
kmb_write_lcd(dev_p,
- LCD_VSYNC_WIDTH_EVEN, vm.vsync_len - 1);
+ LCD_VSYNC_WIDTH_EVEN, vm.vsync_len - 1);
kmb_write_lcd(dev_p,
LCD_V_BACKPORCH_EVEN, vm.vback_porch);
kmb_write_lcd(dev_p,
LCD_V_FRONTPORCH_EVEN, vm.vfront_porch);
kmb_write_lcd(dev_p, LCD_V_ACTIVEHEIGHT_EVEN,
- m->crtc_vdisplay - 1);
- /*this is hardcoded as 10 in the Myriadx code*/
+ m->crtc_vdisplay - 1);
+ /*this is hardcoded as 10 in the Myriadx code */
kmb_write_lcd(dev_p, LCD_VSYNC_START_EVEN, 10);
kmb_write_lcd(dev_p, LCD_VSYNC_END_EVEN, 10);
}
@@ -177,7 +177,7 @@ static void kmb_crtc_atomic_begin(struct drm_crtc *crtc,
struct kmb_drm_private *dev_p = to_kmb(dev);
kmb_clr_bitmask_lcd(dev_p, LCD_INT_ENABLE,
- LCD_INT_VERT_COMP);
+ LCD_INT_VERT_COMP);
}
static void kmb_crtc_atomic_flush(struct drm_crtc *crtc,
@@ -187,7 +187,7 @@ static void kmb_crtc_atomic_flush(struct drm_crtc *crtc,
struct kmb_drm_private *dev_p = to_kmb(dev);
kmb_set_bitmask_lcd(dev_p, LCD_INT_ENABLE,
- LCD_INT_VERT_COMP);
+ LCD_INT_VERT_COMP);
spin_lock_irq(&crtc->dev->event_lock);
if (crtc->state->event)
diff --git a/drivers/gpu/drm/kmb/kmb_crtc.h b/drivers/gpu/drm/kmb/kmb_crtc.h
index 6c3efdd..51a0a39 100644
--- a/drivers/gpu/drm/kmb/kmb_crtc.h
+++ b/drivers/gpu/drm/kmb/kmb_crtc.h
@@ -24,6 +24,9 @@
#include <linux/wait.h>
#include "kmb_drv.h"
+#define to_kmb_crtc_state(x) container_of(x, struct kmb_crtc_state, crtc_base)
+#define to_kmb_crtc(x) container_of(x, struct kmb_crtc, crtc_base)
+
struct kmb_crtc {
struct drm_crtc crtc_base;
struct kmb_drm_private kmb_dev;
@@ -32,8 +35,7 @@ struct kmb_crtc {
struct kmb_crtc_state {
struct drm_crtc_state crtc_base;
};
-#define to_kmb_crtc_state(x) container_of(x, struct kmb_crtc_state, crtc_base)
-#define to_kmb_crtc(x) container_of(x, struct kmb_crtc, crtc_base)
+
extern void kmb_plane_destroy(struct drm_plane *plane);
extern struct kmb_plane *kmb_plane_init(struct drm_device *drm);
#endif /* __KMB_CRTC_H__ */
diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
index 308036e..f5e1def 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.c
+++ b/drivers/gpu/drm/kmb/kmb_drv.c
@@ -4,7 +4,7 @@
*/
#include <linux/clk.h>
-#include <linux/component.h>
+//#include <linux/component.h>
#include <linux/console.h>
#include <linux/list.h>
#include <linux/module.h>
@@ -30,9 +30,9 @@
#include "kmb_plane.h"
#include "kmb_regs.h"
-#define DEBUG
+//#define DEBUG
-/*IRQ handler*/
+/* IRQ handler */
static irqreturn_t kmb_isr(int irq, void *arg);
static struct clk *clk_lcd;
@@ -108,8 +108,6 @@ static void __iomem *kmb_map_mmio(struct platform_device *pdev, char *name)
release_mem_region(res->start, size);
return ERR_PTR(-ENOMEM);
}
- DRM_INFO("%s : %d mapped %s mmio size = %d\n", __func__, __LINE__,
- name, size);
return mem;
}
@@ -117,8 +115,7 @@ static int kmb_load(struct drm_device *drm, unsigned long flags)
{
struct kmb_drm_private *dev_p = to_kmb(drm);
struct platform_device *pdev = to_platform_device(drm->dev);
- /*u32 version;*/
- int irq_lcd;// irq_mipi;
+ int irq_lcd;
int ret = 0;
unsigned long clk;
@@ -137,8 +134,8 @@ static int kmb_load(struct drm_device *drm, unsigned long flags)
return -ENOMEM;
}
- /* This is only for MIPI_TX_MSS_LCD_MIPI_CFG and MSS_CAM_CLK_CTRL
- * register
+ /* This is only for MIPI_TX_MSS_LCD_MIPI_CFG and
+ * MSS_CAM_CLK_CTRL register
*/
dev_p->msscam_mmio = kmb_map_mmio(pdev, "msscam_regs");
if (IS_ERR(dev_p->msscam_mmio)) {
@@ -154,22 +151,21 @@ static int kmb_load(struct drm_device *drm, unsigned long flags)
iounmap(dev_p->mipi_mmio);
return -ENOMEM;
}
-
-
-
#define KMB_CLOCKS
#ifdef KMB_CLOCKS
- /* Enable display clocks*/
+ /* Enable display clocks */
clk_lcd = clk_get(&pdev->dev, "clk_lcd");
if (IS_ERR(clk_lcd)) {
DRM_ERROR("clk_get() failed clk_lcd\n");
goto setup_fail;
}
+
clk_mipi = clk_get(&pdev->dev, "clk_mipi");
if (IS_ERR(clk_mipi)) {
DRM_ERROR("clk_get() failed clk_mipi\n");
goto setup_fail;
}
+
clk_mipi_ecfg = clk_get(&pdev->dev, "clk_mipi_ecfg");
if (IS_ERR(clk_mipi_ecfg)) {
DRM_ERROR("clk_get() failed clk_mipi_ecfg\n");
@@ -181,59 +177,63 @@ static int kmb_load(struct drm_device *drm, unsigned long flags)
DRM_ERROR("clk_get() failed clk_mipi_cfg\n");
goto setup_fail;
}
-
#ifdef LCD_TEST
- /* Set LCD clock to 200 Mhz*/
- DRM_INFO("Get clk_lcd before set = %ld\n", clk_get_rate(clk_lcd));
+ /* Set LCD clock to 200 Mhz */
+ DRM_DEBUG("Get clk_lcd before set = %ld\n", clk_get_rate(clk_lcd));
ret = clk_set_rate(clk_lcd, KMB_LCD_DEFAULT_CLK);
if (clk_get_rate(clk_lcd) != KMB_LCD_DEFAULT_CLK) {
DRM_ERROR("failed to set to clk_lcd to %d\n",
- KMB_LCD_DEFAULT_CLK);
+ KMB_LCD_DEFAULT_CLK);
}
- DRM_INFO("Setting LCD clock to %d Mhz ret = %d\n",
- KMB_LCD_DEFAULT_CLK/1000000, ret);
+ DRM_INFO("Setting LCD clock tp %d Mhz ret = %d\n",
+ KMB_LCD_DEFAULT_CLK / 1000000, ret);
DRM_INFO("Get clk_lcd after set = %ld\n", clk_get_rate(clk_lcd));
#endif
- /* Set MIPI clock to 24 Mhz*/
- DRM_INFO("Get clk_mipi before set = %ld\n", clk_get_rate(clk_mipi));
+
#define MIPI_CLK
#ifdef MIPI_CLK
+ /* Set MIPI clock to 24 Mhz */
+ DRM_DEBUG("Get clk_mipi before set = %ld\n", clk_get_rate(clk_mipi));
ret = clk_set_rate(clk_mipi, KMB_MIPI_DEFAULT_CLK);
DRM_INFO("Get clk_mipi after set = %ld\n", clk_get_rate(clk_mipi));
if (clk_get_rate(clk_mipi) != KMB_MIPI_DEFAULT_CLK) {
DRM_ERROR("failed to set to clk_mipi to %d\n",
- KMB_MIPI_DEFAULT_CLK);
+ KMB_MIPI_DEFAULT_CLK);
goto setup_fail;
}
#endif
DRM_INFO("Setting MIPI clock to %d Mhz ret = %d\n",
- KMB_MIPI_DEFAULT_CLK/1000000, ret);
+ KMB_MIPI_DEFAULT_CLK / 1000000, ret);
DRM_INFO("Get clk_mipi after set = %ld\n", clk_get_rate(clk_mipi));
clk = clk_get_rate(clk_mipi_ecfg);
if (clk != KMB_MIPI_DEFAULT_CFG_CLK) {
- /* Set MIPI_ECFG clock to 24 Mhz*/
+ /* Set MIPI_ECFG clock to 24 Mhz */
DRM_INFO("Get clk_mipi_ecfg before set = %ld\n", clk);
+
ret = clk_set_rate(clk_mipi_ecfg, KMB_MIPI_DEFAULT_CFG_CLK);
clk = clk_get_rate(clk_mipi_ecfg);
- if (clk != KMB_MIPI_DEFAULT_CLK) {
+ if (clk != KMB_MIPI_DEFAULT_CFG_CLK) {
DRM_ERROR("failed to set to clk_mipi_ecfg to %d\n",
- KMB_MIPI_DEFAULT_CLK);
+ KMB_MIPI_DEFAULT_CFG_CLK);
goto setup_fail;
}
+
DRM_INFO("Setting MIPI_ECFG clock tp %d Mhz ret = %d\n",
- KMB_MIPI_DEFAULT_CLK/1000000, ret);
+ KMB_MIPI_DEFAULT_CFG_CLK / 1000000, ret);
+ DRM_INFO("Get clk_mipi_ecfg after set = %ld\n", clk);
}
clk = clk_get_rate(clk_mipi_cfg);
if (clk != KMB_MIPI_DEFAULT_CFG_CLK) {
- /* Set MIPI_CFG clock to 24 Mhz*/
+ /* Set MIPI_CFG clock to 24 Mhz */
DRM_INFO("Get clk_mipi_cfg before set = %ld\n", clk);
+
ret = clk_set_rate(clk_mipi_cfg, 24000000);
clk = clk_get_rate(clk_mipi_cfg);
if (clk != KMB_MIPI_DEFAULT_CFG_CLK) {
DRM_ERROR("failed to set to clk_mipi_cfg to %d\n",
- KMB_MIPI_DEFAULT_CFG_CLK);
+ KMB_MIPI_DEFAULT_CFG_CLK);
goto setup_fail;
}
DRM_INFO("Setting MIPI_CFG clock tp 24Mhz ret = %d\n", ret);
@@ -242,10 +242,12 @@ static int kmb_load(struct drm_device *drm, unsigned long flags)
ret = kmb_display_clk_enable();
- /* enable MSS_CAM_CLK_CTRL for MIPI TX and LCD */
+ /* Enable MSS_CAM_CLK_CTRL for MIPI TX and LCD */
kmb_set_bitmask_msscam(dev_p, MSS_CAM_CLK_CTRL, 0x1fff);
kmb_set_bitmask_msscam(dev_p, MSS_CAM_RSTN_CTRL, 0xffffffff);
+
#endif //KMB_CLOCKS
+
/* Register irqs here - section 17.3 in databook
* lists LCD at 79 and 82 for MIPI under MSS CPU -
* firmware has redirected 79 to A53 IRQ 33
@@ -292,19 +294,21 @@ static int kmb_load(struct drm_device *drm, unsigned long flags)
goto setup_fail;
}
-
/* Initialize MIPI DSI */
ret = kmb_dsi_init(drm, adv_bridge);
if (ret) {
DRM_ERROR("failed to initialize DSI\n");
goto setup_fail;
}
+
ret = drm_irq_install(drm, irq_lcd);
if (ret < 0) {
DRM_ERROR("failed to install IRQ handler\n");
goto irq_fail;
}
+
dev_p->irq_lcd = irq_lcd;
+
return 0;
irq_fail:
@@ -316,10 +320,11 @@ static int kmb_load(struct drm_device *drm, unsigned long flags)
}
int kmb_atomic_helper_check(struct drm_device *dev,
- struct drm_atomic_state *state)
+ struct drm_atomic_state *state)
{
if (!state)
return 0;
+
return drm_atomic_helper_check(dev, state);
}
@@ -339,7 +344,6 @@ static void kmb_setup_mode_config(struct drm_device *drm)
drm->mode_config.funcs = &kmb_mode_config_funcs;
}
-
static irqreturn_t handle_lcd_irq(struct drm_device *dev)
{
unsigned long status, val;
@@ -347,8 +351,8 @@ static irqreturn_t handle_lcd_irq(struct drm_device *dev)
status = kmb_read_lcd(dev_p, LCD_INT_STATUS);
if (status & LCD_INT_EOF) {
- /*To DO - handle EOF interrupt? */
- kmb_write_lcd(dev_p, LCD_INT_CLEAR, LCD_INT_EOF);
+ /*To DO - handle EOF interrupt? */
+ kmb_write_lcd(dev_p, LCD_INT_CLEAR, LCD_INT_EOF);
}
if (status & LCD_INT_LINE_CMP) {
/* clear line compare interrupt */
@@ -356,7 +360,7 @@ static irqreturn_t handle_lcd_irq(struct drm_device *dev)
LCD_INT_LINE_CMP);
}
if (status & LCD_INT_LAYER) {
- /* clear layer interrupts */
+ /* Clear layer interrupts */
kmb_write_lcd(dev->dev_private, LCD_INT_CLEAR, LCD_INT_LAYER);
}
@@ -377,13 +381,13 @@ static irqreturn_t handle_lcd_irq(struct drm_device *dev)
}
}
- /* clear all interrupts */
+ /* Clear all interrupts */
kmb_set_bitmask_lcd(dev->dev_private, LCD_INT_CLEAR, ~0x0);
return IRQ_HANDLED;
}
#ifdef MIPI_IRQ
-static irqreturn_t handle_mipi_irq(struct drm_device *dev)
+static irqreturn_t handle_mipi_irq(struct drm_device *dev)
{
mipi_tx_handle_irqs(to_kmb(dev));
return IRQ_HANDLED;
@@ -409,7 +413,7 @@ DEFINE_DRM_GEM_CMA_FOPS(fops);
static struct drm_driver kmb_driver = {
.driver_features = DRIVER_GEM |
- DRIVER_MODESET | DRIVER_ATOMIC,
+ DRIVER_MODESET | DRIVER_ATOMIC,
.irq_handler = kmb_isr,
.irq_preinstall = kmb_irq_reset,
.irq_uninstall = kmb_irq_reset,
@@ -438,7 +442,9 @@ static void kmb_drm_unload(struct device *dev)
struct drm_device *drm = dev_get_drvdata(dev);
struct kmb_drm_private *dev_p = to_kmb(drm);
+#ifdef DEBUG
dump_stack();
+#endif
drm_dev_unregister(drm);
drm_kms_helper_poll_fini(drm);
of_node_put(dev_p->crtc.port);
@@ -466,7 +472,7 @@ static void kmb_drm_unload(struct device *dev)
of_reserved_mem_device_release(drm->dev);
drm_mode_config_cleanup(drm);
- /*release clks */
+ /* Release clks */
kmb_display_clk_disable();
clk_put(clk_lcd);
clk_put(clk_mipi);
@@ -493,7 +499,8 @@ static int kmb_probe(struct platform_device *pdev)
* and then the rest of the driver initialization can procees
* afterwards and the bridge can be successfully attached.
*/
- adv_bridge = kmb_dsi_host_bridge_init(dev);
+ adv_bridge = kmb_dsi_host_bridge_init(dev);
+
#ifndef FCCTEST
if (adv_bridge == ERR_PTR(-EPROBE_DEFER))
return -EPROBE_DEFER;
@@ -502,6 +509,7 @@ static int kmb_probe(struct platform_device *pdev)
return PTR_ERR(adv_bridge);
}
#endif
+
/* Create DRM device */
lcd = kzalloc(sizeof(*lcd), GFP_KERNEL);
if (!lcd)
@@ -518,7 +526,7 @@ static int kmb_probe(struct platform_device *pdev)
dev_set_drvdata(dev, drm);
kmb_setup_mode_config(drm);
- dev_set_drvdata(dev, drm);
+ dev_set_drvdata(dev, drm);
/* Load driver */
lcd->n_layers = KMB_MAX_PLANES;
@@ -537,6 +545,7 @@ static int kmb_probe(struct platform_device *pdev)
DRM_ERROR("failed to initialize vblank\n");
goto err_vblank;
}
+
drm_mode_config_reset(drm);
drm_kms_helper_poll_init(drm);
@@ -547,7 +556,7 @@ static int kmb_probe(struct platform_device *pdev)
goto err_register;
#ifndef FCCTEST
-// drm_fbdev_generic_setup(drm, 32);
+ //drm_fbdev_generic_setup(drm, 32);
#endif
return 0;
@@ -570,7 +579,7 @@ static int kmb_remove(struct platform_device *pdev)
return 0;
}
-static const struct of_device_id kmb_of_match[] = {
+static const struct of_device_id kmb_of_match[] = {
{.compatible = "intel,kmb_display"},
{},
};
@@ -613,13 +622,13 @@ static int __maybe_unused kmb_pm_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(kmb_pm_ops, kmb_pm_suspend, kmb_pm_resume);
static struct platform_driver kmb_platform_driver = {
- .probe = kmb_probe,
- .remove = kmb_remove,
- .driver = {
- .name = "kmb-drm",
- .pm = &kmb_pm_ops,
- .of_match_table = kmb_of_match,
- },
+ .probe = kmb_probe,
+ .remove = kmb_remove,
+ .driver = {
+ .name = "kmb-drm",
+ .pm = &kmb_pm_ops,
+ .of_match_table = kmb_of_match,
+ },
};
module_platform_driver(kmb_platform_driver);
diff --git a/drivers/gpu/drm/kmb/kmb_drv.h b/drivers/gpu/drm/kmb/kmb_drv.h
index 3a1b66c..4b97a3d 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.h
+++ b/drivers/gpu/drm/kmb/kmb_drv.h
@@ -10,27 +10,29 @@
#define FCCTEST
#define LCD_TEST
-#define KMB_MAX_WIDTH 1920 /*max width in pixels */
-#define KMB_MAX_HEIGHT 1080 /*max height in pixels */
+#define KMB_MAX_WIDTH 1920 /*max width in pixels */
+#define KMB_MAX_HEIGHT 1080 /*max height in pixels */
#define KMB_LCD_DEFAULT_CLK 250000000
#define KMB_MIPI_DEFAULT_CLK 24000000
#define KMB_MIPI_DEFAULT_CFG_CLK 24000000
#define KMB_SYS_CLK_MHZ 500
+#define crtc_to_kmb_priv(x) container_of(x, struct kmb_drm_private, crtc)
+
struct kmb_drm_private {
- struct drm_device drm;
- void __iomem *lcd_mmio;
- void __iomem *mipi_mmio;
- void __iomem *msscam_mmio;
- unsigned char n_layers;
- struct clk *clk;
- struct drm_crtc crtc;
- struct kmb_plane *plane;
- struct drm_atomic_state *state;
- spinlock_t irq_lock;
- int irq_lcd;
- int irq_mipi;
- dma_addr_t fb_addr;
+ struct drm_device drm;
+ void __iomem *lcd_mmio;
+ void __iomem *mipi_mmio;
+ void __iomem *msscam_mmio;
+ unsigned char n_layers;
+ struct clk *clk;
+ struct drm_crtc crtc;
+ struct kmb_plane *plane;
+ struct drm_atomic_state *state;
+ spinlock_t irq_lock;
+ int irq_lcd;
+ int irq_mipi;
+ dma_addr_t fb_addr;
};
static inline struct kmb_drm_private *to_kmb(const struct drm_device *dev)
@@ -38,54 +40,12 @@ static inline struct kmb_drm_private *to_kmb(const struct drm_device *dev)
return container_of(dev, struct kmb_drm_private, drm);
}
-#define crtc_to_kmb_priv(x) container_of(x, struct kmb_drm_private, crtc)
-
struct blt_layer_config {
unsigned char layer_format;
};
-/*
- * commenting this out to use hardcoded address for registers
- * TODO we may need this later if we decide to get the address from
- * the device tree
- */
-#ifdef KMB_WRITE
-static inline void kmb_write(struct kmb_drm_private *lcd,
- unsigned int reg, u32 value)
-{
- writel(value, lcd->mmio + reg);
-}
-
-static inline u32 kmb_read(struct kmb_drm_private *lcd, unsigned int reg)
-{
- return readl(lcd->mmio + reg);
-}
-
-static inline void kmb_write_bits(struct kmb_drm_private *lcd,
- unsigned int reg, u32 offset, u32 num_bits,
- u32 value)
-{
- u32 reg_val = kmb_read(lcd, reg);
- u32 mask = (1 << num_bits) - 1;
-
- value &= mask;
- mask <<= offset;
- reg_val &= (~mask);
- reg_val |= (value << offset);
- writel(reg_val, lcd->mmio + reg);
-}
-static inline void kmb_write(unsigned int reg, u32 value)
-{
- writel(value, reg);
-}
-
-static inline u32 kmb_read(unsigned int reg)
-{
- return readl(reg);
-}
-#endif
static inline void kmb_write_lcd(struct kmb_drm_private *dev_p,
- unsigned int reg, u32 value)
+ unsigned int reg, u32 value)
{
#ifdef LCD_TEST
writel(value, (dev_p->lcd_mmio + reg));
@@ -93,25 +53,25 @@ static inline void kmb_write_lcd(struct kmb_drm_private *dev_p,
}
static inline void kmb_write_mipi(struct kmb_drm_private *dev_p,
- unsigned int reg, u32 value)
+ unsigned int reg, u32 value)
{
writel(value, (dev_p->mipi_mmio + reg));
}
static inline void kmb_write_msscam(struct kmb_drm_private *dev_p,
- unsigned int reg, u32 value)
+ unsigned int reg, u32 value)
{
writel(value, (dev_p->msscam_mmio + reg));
}
static inline u32 kmb_read_msscam(struct kmb_drm_private *dev_p,
- unsigned int reg)
+ unsigned int reg)
{
return readl(dev_p->msscam_mmio + reg);
}
static inline void kmb_set_bitmask_msscam(struct kmb_drm_private *dev_p,
- unsigned int reg, u32 mask)
+ unsigned int reg, u32 mask)
{
u32 reg_val = kmb_read_msscam(dev_p, reg);
@@ -127,7 +87,7 @@ static inline u32 kmb_read_lcd(struct kmb_drm_private *dev_p, unsigned int reg)
}
static inline void kmb_set_bitmask_lcd(struct kmb_drm_private *dev_p,
- unsigned int reg, u32 mask)
+ unsigned int reg, u32 mask)
{
#ifdef LCD_TEST
u32 reg_val = kmb_read_lcd(dev_p, reg);
@@ -137,7 +97,7 @@ static inline void kmb_set_bitmask_lcd(struct kmb_drm_private *dev_p,
}
static inline void kmb_clr_bitmask_lcd(struct kmb_drm_private *dev_p,
- unsigned int reg, u32 mask)
+ unsigned int reg, u32 mask)
{
#ifdef LCD_TEST
u32 reg_val = kmb_read_lcd(dev_p, reg);
@@ -152,7 +112,8 @@ static inline u32 kmb_read_mipi(struct kmb_drm_private *dev_p, unsigned int reg)
}
static inline void kmb_write_bits_mipi(struct kmb_drm_private *dev_p,
- unsigned int reg, u32 offset, u32 num_bits, u32 value)
+ unsigned int reg, u32 offset,
+ u32 num_bits, u32 value)
{
u32 reg_val = kmb_read_mipi(dev_p, reg);
u32 mask = (1 << num_bits) - 1;
@@ -161,11 +122,18 @@ static inline void kmb_write_bits_mipi(struct kmb_drm_private *dev_p,
mask <<= offset;
reg_val &= (~mask);
reg_val |= (value << offset);
+#ifdef DEBUG
+ if (reg == DPHY_FREQ_CTRL0_3 + 4) {
+ DRM_INFO("%s : %d reg=0x%x offset=%d num_bits=%d val=0x%x\n",
+ __func__, __LINE__, reg, offset, num_bits,
+ reg_val);
+ }
+#endif
kmb_write_mipi(dev_p, reg, reg_val);
}
static inline void kmb_set_bit_mipi(struct kmb_drm_private *dev_p,
- unsigned int reg, u32 offset)
+ unsigned int reg, u32 offset)
{
u32 reg_val = kmb_read_mipi(dev_p, reg);
@@ -173,7 +141,7 @@ static inline void kmb_set_bit_mipi(struct kmb_drm_private *dev_p,
}
static inline void kmb_clr_bit_mipi(struct kmb_drm_private *dev_p,
- unsigned int reg, u32 offset)
+ unsigned int reg, u32 offset)
{
u32 reg_val = kmb_read_mipi(dev_p, reg);
@@ -181,7 +149,7 @@ static inline void kmb_clr_bit_mipi(struct kmb_drm_private *dev_p,
}
static inline void kmb_set_bitmask_mipi(struct kmb_drm_private *dev_p,
- unsigned int reg, u32 mask)
+ unsigned int reg, u32 mask)
{
u32 reg_val = kmb_read_mipi(dev_p, reg);
@@ -189,12 +157,13 @@ static inline void kmb_set_bitmask_mipi(struct kmb_drm_private *dev_p,
}
static inline void kmb_clr_bitmask_mipi(struct kmb_drm_private *dev_p,
- unsigned int reg, u32 mask)
+ unsigned int reg, u32 mask)
{
u32 reg_val = kmb_read_mipi(dev_p, reg);
kmb_write_mipi(dev_p, reg, (reg_val & (~mask)));
}
+
int kmb_setup_crtc(struct drm_device *dev);
void kmb_set_scanout(struct kmb_drm_private *lcd);
#endif /* __KMB_DRV_H__ */
diff --git a/drivers/gpu/drm/kmb/kmb_dsi.c b/drivers/gpu/drm/kmb/kmb_dsi.c
index e9499cf..6e38f16 100644
--- a/drivers/gpu/drm/kmb/kmb_dsi.c
+++ b/drivers/gpu/drm/kmb/kmb_dsi.c
@@ -3,9 +3,7 @@
* Copyright © 2019-2020 Intel Corporation
*/
-#include <linux/buffer_head.h>
#include <linux/delay.h>
-#include <linux/fs.h>
#include <linux/gpio/consumer.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@@ -23,56 +21,19 @@
#include "kmb_regs.h"
static int hw_initialized;
-#define IMAGE_PATH "/home/root/1280x720.pnm"
//#define MIPI_TX_TEST_PATTERN_GENERATION
//#define MIPI_DMA
//#define RTL_TEST
+//#define DPHY_GET_FSM
+//#define MIPI_TX_INIT_IRQS
+//#define GET_SYS_CLK
+//#define DPHY_READ_TESTCODE
+//#define MIPI_TX_HANDLE_IRQS
-/*MIPI TX CFG*/
-#define MIPI_TX_LANE_DATA_RATE_MBPS 891
-#define MIPI_TX_REF_CLK_KHZ 24000
-#define MIPI_TX_CFG_CLK_KHZ 24000
-#define MIPI_TX_BPP 24
-
-/*DPHY Tx test codes*/
-#define TEST_CODE_FSM_CONTROL 0x03
-#define TEST_CODE_MULTIPLE_PHY_CTRL 0x0C
-#define TEST_CODE_PLL_PROPORTIONAL_CHARGE_PUMP_CTRL 0x0E
-#define TEST_CODE_PLL_INTEGRAL_CHARGE_PUMP_CTRL 0x0F
-#define TEST_CODE_PLL_VCO_CTRL 0x12
-#define TEST_CODE_PLL_GMP_CTRL 0x13
-#define TEST_CODE_PLL_PHASE_ERR_CTRL 0x14
-#define TEST_CODE_PLL_LOCK_FILTER 0x15
-#define TEST_CODE_PLL_UNLOCK_FILTER 0x16
-#define TEST_CODE_PLL_INPUT_DIVIDER 0x17
-#define TEST_CODE_PLL_FEEDBACK_DIVIDER 0x18
-#define PLL_FEEDBACK_DIVIDER_HIGH (1 << 7)
-#define TEST_CODE_PLL_OUTPUT_CLK_SEL 0x19
-#define PLL_N_OVR_EN (1 << 4)
-#define PLL_M_OVR_EN (1 << 5)
-#define TEST_CODE_VOD_LEVEL 0x24
-#define TEST_CODE_PLL_CHARGE_PUMP_BIAS 0x1C
-#define TEST_CODE_PLL_LOCK_DETECTOR 0x1D
-#define TEST_CODE_HS_FREQ_RANGE_CFG 0x44
-#define TEST_CODE_PLL_ANALOG_PROG 0x1F
-#define TEST_CODE_SLEW_RATE_OVERRIDE_CTRL 0xA0
-#define TEST_CODE_SLEW_RATE_DDL_LOOP_CTRL 0xA3
-#define TEST_CODE_SLEW_RATE_DDL_CYCLES 0xA4
-
-/* D-Phy params */
-#define PLL_N_MIN 0
-#define PLL_N_MAX 15
-#define PLL_M_MIN 62
-#define PLL_M_MAX 623
-#define PLL_FVCO_MAX 1250
-
-#define TIMEOUT 600
static struct mipi_dsi_host *dsi_host;
static struct mipi_dsi_device *dsi_device;
-/*
- * Default setting is 1080p, 4 lanes.
- */
+/* Default setting is 1080p, 4 lanes */
#define IMG_HEIGHT_LINES 1080
#define IMG_WIDTH_PX 1920
#define MIPI_TX_ACTIVE_LANES 4
@@ -82,7 +43,6 @@ struct mipi_tx_frame_section_cfg mipi_tx_frame0_sect_cfg = {
.height_lines = IMG_HEIGHT_LINES,
.data_type = DSI_LP_DT_PPS_RGB888_24B,
.data_mode = MIPI_DATA_MODE1,
-// .data_mode = MIPI_DATA_MODE0,
.dma_packed = 0
};
@@ -132,18 +92,34 @@ struct mipi_ctrl_cfg mipi_tx_init_cfg = {
.tx_always_use_hact = 1,
.tx_hact_wait_stop = 1,
}
-
};
-u8 *iBuf;
-
-struct mipi_hs_freq_range_cfg {
+struct mipi_hs_freq_range_cfg {
uint16_t default_bit_rate_mbps;
uint8_t hsfreqrange_code;
};
+struct vco_params {
+ u32 freq;
+ u32 range;
+ u32 divider;
+};
+
+static struct vco_params vco_table[] = {
+ {52, 0x3f, 8},
+ {80, 0x39, 8},
+ {105, 0x2f, 4},
+ {160, 0x29, 4},
+ {210, 0x1f, 2},
+ {320, 0x19, 2},
+ {420, 0x0f, 1},
+ {630, 0x09, 1},
+ {1100, 0x03, 1},
+ {0xffff, 0x01, 1},
+};
+
static struct mipi_hs_freq_range_cfg
- mipi_hs_freq_range[MIPI_DPHY_DEFAULT_BIT_RATES] = {
+mipi_hs_freq_range[MIPI_DPHY_DEFAULT_BIT_RATES] = {
{.default_bit_rate_mbps = 80, .hsfreqrange_code = 0x00},
{.default_bit_rate_mbps = 90, .hsfreqrange_code = 0x10},
{.default_bit_rate_mbps = 100, .hsfreqrange_code = 0x20},
@@ -225,14 +201,19 @@ static int kmb_dsi_get_modes(struct drm_connector *connector)
int num_modes = 0;
num_modes = drm_add_modes_noedid(connector,
- connector->dev->mode_config.max_width,
- connector->dev->mode_config.max_height);
+ connector->dev->mode_config.max_width,
+ connector->dev->mode_config.max_height);
+
+ DRM_INFO("width=%d height=%d\n",
+ connector->dev->mode_config.max_width,
+ connector->dev->mode_config.max_height);
+ DRM_INFO("num modes=%d\n", num_modes);
+
return num_modes;
}
void kmb_dsi_host_unregister(void)
{
- DRM_INFO("%s : %d\n", __func__, __LINE__);
mipi_dsi_host_unregister(dsi_host);
kfree(dsi_host);
}
@@ -240,8 +221,6 @@ void kmb_dsi_host_unregister(void)
static void kmb_dsi_connector_destroy(struct drm_connector *connector)
{
struct kmb_connector *kmb_connector = to_kmb_connector(connector);
-
- DRM_INFO("%s : %d\n", __func__, __LINE__);
drm_connector_cleanup(connector);
kfree(kmb_connector);
}
@@ -250,7 +229,6 @@ static void kmb_dsi_encoder_destroy(struct drm_encoder *encoder)
{
struct kmb_dsi *kmb_dsi = to_kmb_dsi(encoder);
- DRM_INFO("%s : %d\n", __func__, __LINE__);
if (!kmb_dsi)
return;
@@ -312,7 +290,6 @@ static struct kmb_dsi_host *kmb_dsi_host_init(struct drm_device *drm,
{
struct kmb_dsi_host *host;
- DRM_INFO("%s : %d\n", __func__, __LINE__);
host = kzalloc(sizeof(*host), GFP_KERNEL);
if (!host)
return NULL;
@@ -331,6 +308,9 @@ static struct kmb_dsi_host *kmb_dsi_host_init(struct drm_device *drm,
struct drm_bridge *kmb_dsi_host_bridge_init(struct device *dev)
{
struct drm_bridge *bridge;
+#ifndef FCCTEST
+ struct device_node *encoder_node;
+#endif
/* Create and register MIPI DSI host */
if (!dsi_host) {
@@ -352,12 +332,11 @@ struct drm_bridge *kmb_dsi_host_bridge_init(struct device *dev)
mipi_dsi_host_register(dsi_host);
}
#ifndef FCCTEST
- /* find ADV7535 node and initialize it */
- DRM_INFO("trying to get bridge info %pOF\n", dev->of_node);
+ /* Find ADV7535 node and initialize it */
encoder_node = of_parse_phandle(dev->of_node, "encoder-slave", 0);
- DRM_INFO("encoder node = %pOF\n", encoder_node);
+
if (!encoder_node) {
- DRM_ERROR("failed to get bridge info from DT\n");
+ DRM_ERROR("Failed to get bridge info from DT\n");
return ERR_PTR(-EINVAL);
}
@@ -365,7 +344,7 @@ struct drm_bridge *kmb_dsi_host_bridge_init(struct device *dev)
bridge = of_drm_find_bridge(encoder_node);
of_node_put(encoder_node);
if (!bridge) {
- DRM_INFO("wait for external bridge driver DT\n");
+ DRM_INFO("Wait for external bridge driver DT\n");
return ERR_PTR(-EPROBE_DEFER);
}
#endif
@@ -373,21 +352,21 @@ struct drm_bridge *kmb_dsi_host_bridge_init(struct device *dev)
}
u32 mipi_get_datatype_params(u32 data_type, u32 data_mode,
- struct mipi_data_type_params *params)
+ struct mipi_data_type_params *params)
{
- struct mipi_data_type_params data_type_parameters;
+ struct mipi_data_type_params data_type_param;
switch (data_type) {
case DSI_LP_DT_PPS_YCBCR420_12B:
- data_type_parameters.size_constraint_pixels = 2;
- data_type_parameters.size_constraint_bytes = 3;
+ data_type_param.size_constraint_pixels = 2;
+ data_type_param.size_constraint_bytes = 3;
switch (data_mode) {
- /* case 0 not supported according to MDK */
+ /* Case 0 not supported according to MDK */
case 1:
case 2:
case 3:
- data_type_parameters.pixels_per_pclk = 2;
- data_type_parameters.bits_per_pclk = 24;
+ data_type_param.pixels_per_pclk = 2;
+ data_type_param.bits_per_pclk = 24;
break;
default:
DRM_ERROR("DSI: Invalid data_mode %d\n", data_mode);
@@ -395,17 +374,19 @@ u32 mipi_get_datatype_params(u32 data_type, u32 data_mode,
};
break;
case DSI_LP_DT_PPS_YCBCR422_16B:
- data_type_parameters.size_constraint_pixels = 2;
- data_type_parameters.size_constraint_bytes = 4;
+ data_type_param.size_constraint_pixels = 2;
+ data_type_param.size_constraint_bytes = 4;
switch (data_mode) {
- /* case 0 and 1 not supported according to MDK */
+ /* Case 0 and 1 not supported according
+ * to MDK
+ */
case 2:
- data_type_parameters.pixels_per_pclk = 1;
- data_type_parameters.bits_per_pclk = 16;
+ data_type_param.pixels_per_pclk = 1;
+ data_type_param.bits_per_pclk = 16;
break;
case 3:
- data_type_parameters.pixels_per_pclk = 2;
- data_type_parameters.bits_per_pclk = 32;
+ data_type_param.pixels_per_pclk = 2;
+ data_type_param.bits_per_pclk = 32;
break;
default:
DRM_ERROR("DSI: Invalid data_mode %d\n", data_mode);
@@ -414,15 +395,15 @@ u32 mipi_get_datatype_params(u32 data_type, u32 data_mode,
break;
case DSI_LP_DT_LPPS_YCBCR422_20B:
case DSI_LP_DT_PPS_YCBCR422_24B:
- data_type_parameters.size_constraint_pixels = 2;
- data_type_parameters.size_constraint_bytes = 6;
+ data_type_param.size_constraint_pixels = 2;
+ data_type_param.size_constraint_bytes = 6;
switch (data_mode) {
- /* case 0 not supported according to MDK */
+ /* Case 0 not supported according to MDK */
case 1:
case 2:
case 3:
- data_type_parameters.pixels_per_pclk = 1;
- data_type_parameters.bits_per_pclk = 24;
+ data_type_param.pixels_per_pclk = 1;
+ data_type_param.bits_per_pclk = 24;
break;
default:
DRM_ERROR("DSI: Invalid data_mode %d\n", data_mode);
@@ -430,18 +411,18 @@ u32 mipi_get_datatype_params(u32 data_type, u32 data_mode,
};
break;
case DSI_LP_DT_PPS_RGB565_16B:
- data_type_parameters.size_constraint_pixels = 1;
- data_type_parameters.size_constraint_bytes = 2;
+ data_type_param.size_constraint_pixels = 1;
+ data_type_param.size_constraint_bytes = 2;
switch (data_mode) {
case 0:
case 1:
- data_type_parameters.pixels_per_pclk = 1;
- data_type_parameters.bits_per_pclk = 16;
+ data_type_param.pixels_per_pclk = 1;
+ data_type_param.bits_per_pclk = 16;
break;
case 2:
case 3:
- data_type_parameters.pixels_per_pclk = 2;
- data_type_parameters.bits_per_pclk = 32;
+ data_type_param.pixels_per_pclk = 2;
+ data_type_param.bits_per_pclk = 32;
break;
default:
DRM_ERROR("DSI: Invalid data_mode %d\n", data_mode);
@@ -449,97 +430,104 @@ u32 mipi_get_datatype_params(u32 data_type, u32 data_mode,
};
break;
case DSI_LP_DT_PPS_RGB666_18B:
- data_type_parameters.size_constraint_pixels = 4;
- data_type_parameters.size_constraint_bytes = 9;
- data_type_parameters.bits_per_pclk = 18;
- data_type_parameters.pixels_per_pclk = 1;
+ data_type_param.size_constraint_pixels = 4;
+ data_type_param.size_constraint_bytes = 9;
+ data_type_param.bits_per_pclk = 18;
+ data_type_param.pixels_per_pclk = 1;
break;
case DSI_LP_DT_LPPS_RGB666_18B:
case DSI_LP_DT_PPS_RGB888_24B:
- data_type_parameters.size_constraint_pixels = 1;
- data_type_parameters.size_constraint_bytes = 3;
- data_type_parameters.bits_per_pclk = 24;
- data_type_parameters.pixels_per_pclk = 1;
+ data_type_param.size_constraint_pixels = 1;
+ data_type_param.size_constraint_bytes = 3;
+ data_type_param.bits_per_pclk = 24;
+ data_type_param.pixels_per_pclk = 1;
break;
case DSI_LP_DT_PPS_RGB101010_30B:
- data_type_parameters.size_constraint_pixels = 4;
- data_type_parameters.size_constraint_bytes = 15;
- data_type_parameters.bits_per_pclk = 30;
- data_type_parameters.pixels_per_pclk = 1;
+ data_type_param.size_constraint_pixels = 4;
+ data_type_param.size_constraint_bytes = 15;
+ data_type_param.bits_per_pclk = 30;
+ data_type_param.pixels_per_pclk = 1;
break;
-
default:
DRM_ERROR("DSI: Invalid data_type %d\n", data_type);
return -EINVAL;
- }
+ };
- *params = data_type_parameters;
+ *params = data_type_param;
return 0;
}
static u32 compute_wc(u32 width_px, u8 size_constr_p, u8 size_constr_b)
{
- /* calculate the word count for each long packet */
+ /* Calculate the word count for each long packet */
return (((width_px / size_constr_p) * size_constr_b) & 0xffff);
}
static u32 compute_unpacked_bytes(u32 wc, u8 bits_per_pclk)
{
- /*number of PCLK cycles needed to transfer a line */
- /* with each PCLK cycle, 4 Bytes are sent through the PPL module */
+ /* Number of PCLK cycles needed to transfer a line
+ * with each PCLK cycle, 4 Bytes are sent through the PPL module
+ */
return ((wc * 8) / bits_per_pclk) * 4;
}
static u32 mipi_tx_fg_section_cfg_regs(struct kmb_drm_private *dev_p,
- u8 frame_id,
- u8 section, u32 height_lines,
- u32 unpacked_bytes,
+ u8 frame_id, u8 section,
+ u32 height_lines, u32 unpacked_bytes,
struct mipi_tx_frame_sect_phcfg *ph_cfg)
{
u32 cfg = 0;
u32 ctrl_no = MIPI_CTRL6;
u32 reg_adr;
- /*frame section packet header */
- /*word count */
- cfg = (ph_cfg->wc & MIPI_TX_SECT_WC_MASK) << 0; /* bits [15:0] */
- /*data type */
+ /* Frame section packet header */
+ /* Word count bits [15:0] */
+ cfg = (ph_cfg->wc & MIPI_TX_SECT_WC_MASK) << 0;
+
+ /* Data type (bits [21:16]) */
cfg |= ((ph_cfg->data_type & MIPI_TX_SECT_DT_MASK)
- << MIPI_TX_SECT_DT_SHIFT); /* bits [21:16] */
- /* virtual channel */
+ << MIPI_TX_SECT_DT_SHIFT);
+
+ /* Virtual channel (bits [23:22]) */
cfg |= ((ph_cfg->vchannel & MIPI_TX_SECT_VC_MASK)
- << MIPI_TX_SECT_VC_SHIFT); /* bits [23:22] */
- /* data mode */
+ << MIPI_TX_SECT_VC_SHIFT);
+
+ /* Data mode (bits [24:25]) */
cfg |= ((ph_cfg->data_mode & MIPI_TX_SECT_DM_MASK)
- << MIPI_TX_SECT_DM_SHIFT); /* bits [24:25]*/
+ << MIPI_TX_SECT_DM_SHIFT);
if (ph_cfg->dma_packed)
cfg |= MIPI_TX_SECT_DMA_PACKED;
- DRM_INFO("%s : %d ctrl=%d frame_id=%d section=%d cfg=%x packed=%d\n",
- __func__, __LINE__, ctrl_no, frame_id, section, cfg,
- ph_cfg->dma_packed);
- kmb_write_mipi(dev_p, (MIPI_TXm_HS_FGn_SECTo_PH(ctrl_no, frame_id,
- section)), cfg);
-
- /*unpacked bytes */
- /*there are 4 frame generators and each fg has 4 sections
- *there are 2 registers for unpacked bytes -
- *# bytes each section occupies in memory
- *REG_UNPACKED_BYTES0: [15:0]-BYTES0, [31:16]-BYTES1
- *REG_UNPACKED_BYTES1: [15:0]-BYTES2, [31:16]-BYTES3
+
+ DRM_DEBUG("ctrl=%d frame_id=%d section=%d cfg=%x packed=%d\n",
+ ctrl_no, frame_id, section, cfg, ph_cfg->dma_packed);
+ kmb_write_mipi(dev_p,
+ (MIPI_TXm_HS_FGn_SECTo_PH(ctrl_no, frame_id, section)),
+ cfg);
+
+ /* Unpacked bytes */
+
+ /* There are 4 frame generators and each fg has 4 sections
+ * There are 2 registers for unpacked bytes (# bytes each
+ * section occupies in memory)
+ * REG_UNPACKED_BYTES0: [15:0]-BYTES0, [31:16]-BYTES1
+ * REG_UNPACKED_BYTES1: [15:0]-BYTES2, [31:16]-BYTES3
*/
- reg_adr = MIPI_TXm_HS_FGn_SECT_UNPACKED_BYTES0(ctrl_no, frame_id)
- + (section / 2) * 4;
+ reg_adr =
+ MIPI_TXm_HS_FGn_SECT_UNPACKED_BYTES0(ctrl_no,
+ frame_id) + (section / 2) * 4;
kmb_write_bits_mipi(dev_p, reg_adr, (section % 2) * 16, 16,
unpacked_bytes);
+ DRM_DEBUG("unpacked_bytes = %d, wordcount = %d\n", unpacked_bytes,
+ ph_cfg->wc);
- /* line config */
+ /* Line config */
reg_adr = MIPI_TXm_HS_FGn_SECTo_LINE_CFG(ctrl_no, frame_id, section);
kmb_write_mipi(dev_p, reg_adr, height_lines);
return 0;
}
-static u32 mipi_tx_fg_section_cfg(struct kmb_drm_private *dev_p, u8 frame_id,
- u8 section,
+static u32 mipi_tx_fg_section_cfg(struct kmb_drm_private *dev_p,
+ u8 frame_id, u8 section,
struct mipi_tx_frame_section_cfg *frame_scfg,
u32 *bits_per_pclk, u32 *wc)
{
@@ -553,8 +541,8 @@ static u32 mipi_tx_fg_section_cfg(struct kmb_drm_private *dev_p, u8 frame_id,
&data_type_parameters);
if (ret)
return ret;
- /*
- * packet width has to be a multiple of the minimum packet width
+
+ /* Packet width has to be a multiple of the minimum packet width
* (in pixels) set for each data type
*/
if (frame_scfg->width_pixels %
@@ -564,10 +552,8 @@ static u32 mipi_tx_fg_section_cfg(struct kmb_drm_private *dev_p, u8 frame_id,
*wc = compute_wc(frame_scfg->width_pixels,
data_type_parameters.size_constraint_pixels,
data_type_parameters.size_constraint_bytes);
-
- unpacked_bytes =
- compute_unpacked_bytes(*wc, data_type_parameters.bits_per_pclk);
-
+ unpacked_bytes = compute_unpacked_bytes(*wc,
+ data_type_parameters.bits_per_pclk);
ph_cfg.wc = *wc;
ph_cfg.data_mode = frame_scfg->data_mode;
ph_cfg.data_type = frame_scfg->data_type;
@@ -578,88 +564,94 @@ static u32 mipi_tx_fg_section_cfg(struct kmb_drm_private *dev_p, u8 frame_id,
frame_scfg->height_lines,
unpacked_bytes, &ph_cfg);
- /*caller needs bits_per_clk for additional caluclations */
+ /* Caller needs bits_per_clk for additional caluclations */
*bits_per_pclk = data_type_parameters.bits_per_pclk;
+
return 0;
}
-static void mipi_tx_fg_cfg_regs(struct kmb_drm_private *dev_p,
- u8 frame_gen,
+static void mipi_tx_fg_cfg_regs(struct kmb_drm_private *dev_p, u8 frame_gen,
struct mipi_tx_frame_timing_cfg *fg_cfg)
{
u32 sysclk;
- /*float ppl_llp_ratio; */
u32 ppl_llp_ratio;
u32 ctrl_no = MIPI_CTRL6, reg_adr, val, offset;
- /*Get system clock for blanking period cnfigurations */
- /*TODO need to get system clock from clock driver */
- /* 500 Mhz system clock minus 50 - to account for the difference in
- * mipi clock speed in RTL tests
+#ifdef GET_SYS_CLK
+ /* Get system clock for blanking period cnfigurations */
+ sc = get_clock_frequency(CPR_CLK_SYSTEM, &sysclk);
+ if (sc)
+ return sc;
+
+ /* Convert to MHZ */
+ sysclk /= 1000;
+#else
+ /* 500 Mhz system clock minus 50 to account for the difference in
+ * MIPI clock speed in RTL tests
*/
sysclk = KMB_SYS_CLK_MHZ - 50;
-// sysclk = KMB_SYS_CLK_MHZ;
+#endif
- /*ppl-pixel packing layer, llp-low level protocol
- * frame genartor timing parameters are clocked on the system clock
+ /* PPL-Pixel Packing Layer, LLP-Low Level Protocol
+ * Frame genartor timing parameters are clocked on the system clock,
* whereas as the equivalent parameters in the LLP blocks are clocked
* on LLP Tx clock from the D-PHY - BYTE clock
*/
- /*multiply by 1000 to keep the precision */
+ /* Multiply by 1000 to maintain precision */
ppl_llp_ratio = ((fg_cfg->bpp / 8) * sysclk * 1000) /
((fg_cfg->lane_rate_mbps / 8) * fg_cfg->active_lanes);
- DRM_INFO("%s : %d bpp=%d sysclk=%d lane-rate=%d activ-lanes=%d\n",
- __func__, __LINE__, fg_cfg->bpp, sysclk,
- fg_cfg->lane_rate_mbps, fg_cfg->active_lanes);
+ DRM_INFO("ppl_llp_ratio=%d\n", ppl_llp_ratio);
+ DRM_INFO("bpp=%d sysclk=%d lane-rate=%d activ-lanes=%d\n",
+ fg_cfg->bpp, sysclk, fg_cfg->lane_rate_mbps,
+ fg_cfg->active_lanes);
- DRM_INFO("%s : %d ppl_llp_ratio=%d\n", __func__, __LINE__,
- ppl_llp_ratio);
- /*frame generator number of lines*/
+ /* Frame generator number of lines */
reg_adr = MIPI_TXm_HS_FGn_NUM_LINES(ctrl_no, frame_gen);
kmb_write_mipi(dev_p, reg_adr, fg_cfg->v_active);
- /*vsync width */
- /*
- *there are 2 registers for vsync width -VSA in lines for channels 0-3
- *REG_VSYNC_WIDTH0: [15:0]-VSA for channel0, [31:16]-VSA for channel1
- *REG_VSYNC_WIDTH1: [15:0]-VSA for channel2, [31:16]-VSA for channel3
+ /* vsync width
+ * There are 2 registers for vsync width (VSA in lines for
+ * channels 0-3)
+ * REG_VSYNC_WIDTH0: [15:0]-VSA for channel0, [31:16]-VSA for channel1
+ * REG_VSYNC_WIDTH1: [15:0]-VSA for channel2, [31:16]-VSA for channel3
*/
offset = (frame_gen % 2) * 16;
reg_adr = MIPI_TXm_HS_VSYNC_WIDTHn(ctrl_no, frame_gen / 2);
kmb_write_bits_mipi(dev_p, reg_adr, offset, 16, fg_cfg->vsync_width);
- /*v backporch - same register config like vsync width */
+ /* vertical backporch (vbp) */
reg_adr = MIPI_TXm_HS_V_BACKPORCHESn(ctrl_no, frame_gen / 2);
kmb_write_bits_mipi(dev_p, reg_adr, offset, 16, fg_cfg->v_backporch);
- /*v frontporch - same register config like vsync width */
+ /* vertical frontporch (vfp) */
reg_adr = MIPI_TXm_HS_V_FRONTPORCHESn(ctrl_no, frame_gen / 2);
kmb_write_bits_mipi(dev_p, reg_adr, offset, 16, fg_cfg->v_frontporch);
- /*v active - same register config like vsync width */
+ /* vertical active (vactive) */
reg_adr = MIPI_TXm_HS_V_ACTIVEn(ctrl_no, frame_gen / 2);
kmb_write_bits_mipi(dev_p, reg_adr, offset, 16, fg_cfg->v_active);
- /*hsyc width */
+ /* hsync width */
reg_adr = MIPI_TXm_HS_HSYNC_WIDTHn(ctrl_no, frame_gen);
kmb_write_mipi(dev_p, reg_adr,
(fg_cfg->hsync_width * ppl_llp_ratio) / 1000);
- /*h backporch */
+ /* horizontal backporch (hbp) */
reg_adr = MIPI_TXm_HS_H_BACKPORCHn(ctrl_no, frame_gen);
kmb_write_mipi(dev_p, reg_adr,
(fg_cfg->h_backporch * ppl_llp_ratio) / 1000);
- /*h frontporch */
+ /* horizontal frontporch (hfp) */
reg_adr = MIPI_TXm_HS_H_FRONTPORCHn(ctrl_no, frame_gen);
kmb_write_mipi(dev_p, reg_adr,
(fg_cfg->h_frontporch * ppl_llp_ratio) / 1000);
- /*h active */
+ /* horizontal active (ha) */
reg_adr = MIPI_TXm_HS_H_ACTIVEn(ctrl_no, frame_gen);
- /*convert h_active which is wc in bytes to cycles */
+
+ /* convert h_active which is wc in bytes to cycles */
val = (fg_cfg->h_active * sysclk * 1000) /
((fg_cfg->lane_rate_mbps / 8) * fg_cfg->active_lanes);
val /= 1000;
@@ -686,8 +678,8 @@ static void mipi_tx_fg_cfg(struct kmb_drm_private *dev_p, u8 frame_gen,
u32 i, fg_num_lines = 0;
struct mipi_tx_frame_timing_cfg fg_t_cfg;
- /*calculate the total frame generator number of lines based on it's
- * active sections
+ /* Calculate the total frame generator number of
+ * lines based on it's active sections
*/
for (i = 0; i < MIPI_TX_FRAME_GEN_SECTIONS; i++) {
if (fg_cfg->sections[i] != NULL)
@@ -706,7 +698,7 @@ static void mipi_tx_fg_cfg(struct kmb_drm_private *dev_p, u8 frame_gen,
fg_t_cfg.v_active = fg_num_lines;
fg_t_cfg.active_lanes = active_lanes;
- /*apply frame generator timing setting */
+ /* Apply frame generator timing setting */
mipi_tx_fg_cfg_regs(dev_p, frame_gen, &fg_t_cfg);
}
@@ -716,7 +708,7 @@ static void mipi_tx_multichannel_fifo_cfg(struct kmb_drm_private *dev_p,
u32 fifo_size, fifo_rthreshold;
u32 ctrl_no = MIPI_CTRL6;
- /*clear all mc fifo channel sizes and thresholds */
+ /* Clear all mc fifo channel sizes and thresholds */
kmb_write_mipi(dev_p, MIPI_TX_HS_MC_FIFO_CTRL_EN, 0);
kmb_write_mipi(dev_p, MIPI_TX_HS_MC_FIFO_CHAN_ALLOC0, 0);
kmb_write_mipi(dev_p, MIPI_TX_HS_MC_FIFO_CHAN_ALLOC1, 0);
@@ -726,18 +718,18 @@ static void mipi_tx_multichannel_fifo_cfg(struct kmb_drm_private *dev_p,
fifo_size = ((active_lanes > MIPI_D_LANES_PER_DPHY) ?
MIPI_CTRL_4LANE_MAX_MC_FIFO_LOC :
MIPI_CTRL_2LANE_MAX_MC_FIFO_LOC) - 1;
- /*MC fifo size for virtual channels 0-3 */
- /*
- *REG_MC_FIFO_CHAN_ALLOC0: [8:0]-channel0, [24:16]-channel1
- *REG_MC_FIFO_CHAN_ALLOC1: [8:0]-2, [24:16]-channel3
+
+ /* MC fifo size for virtual channels 0-3
+ * REG_MC_FIFO_CHAN_ALLOC0: [8:0]-channel0, [24:16]-channel1
+ * REG_MC_FIFO_CHAN_ALLOC1: [8:0]-2, [24:16]-channel3
*/
SET_MC_FIFO_CHAN_ALLOC(dev_p, ctrl_no, vchannel_id, fifo_size);
- /*set threshold to half the fifo size, actual size=size*16 */
+ /* Set threshold to half the fifo size, actual size=size*16 */
fifo_rthreshold = ((fifo_size) * 8) & BIT_MASK_16;
SET_MC_FIFO_RTHRESHOLD(dev_p, ctrl_no, vchannel_id, fifo_rthreshold);
- /*enable the MC FIFO channel corresponding to the Virtual Channel */
+ /* Enable the MC FIFO channel corresponding to the Virtual Channel */
kmb_set_bit_mipi(dev_p, MIPI_TXm_HS_MC_FIFO_CTRL_EN(ctrl_no),
vchannel_id);
}
@@ -748,7 +740,7 @@ static void mipi_tx_ctrl_cfg(struct kmb_drm_private *dev_p, u8 fg_id,
u32 sync_cfg = 0, ctrl = 0, fg_en;
u32 ctrl_no = MIPI_CTRL6;
- /*MIPI_TX_HS_SYNC_CFG */
+ /* MIPI_TX_HS_SYNC_CFG */
if (ctrl_cfg->tx_ctrl_cfg.line_sync_pkt_en)
sync_cfg |= LINE_SYNC_PKT_ENABLE;
if (ctrl_cfg->tx_ctrl_cfg.frame_counter_active)
@@ -769,22 +761,29 @@ static void mipi_tx_ctrl_cfg(struct kmb_drm_private *dev_p, u8 fg_id,
sync_cfg |= DSI_LPM_FIRST_VSA_LINE;
if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->lpm_last_vfp_line)
sync_cfg |= DSI_LPM_LAST_VFP_LINE;
- /* enable frame generator */
+
+ /* Enable frame generator */
fg_en = 1 << fg_id;
sync_cfg |= FRAME_GEN_EN(fg_en);
+
if (ctrl_cfg->tx_ctrl_cfg.tx_always_use_hact)
sync_cfg |= ALWAYS_USE_HACT(fg_en);
if (ctrl_cfg->tx_ctrl_cfg.tx_hact_wait_stop)
sync_cfg |= HACT_WAIT_STOP(fg_en);
- /* MIPI_TX_HS_CTRL*/
- ctrl = HS_CTRL_EN | TX_SOURCE; /* type:DSI,source:LCD */
+ DRM_DEBUG("sync_cfg=%d fg_en=%d\n", sync_cfg, fg_en);
+
+ /* MIPI_TX_HS_CTRL */
+
+ /* type:DSI, source:LCD */
+ ctrl = HS_CTRL_EN | TX_SOURCE;
+ ctrl |= LCD_VC(fg_id);
+ ctrl |= ACTIVE_LANES(ctrl_cfg->active_lanes - 1);
if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->eotp_en)
ctrl |= DSI_EOTP_EN;
if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->hfp_blank_en)
ctrl |= DSI_CMD_HFP_EN;
- ctrl |= LCD_VC(fg_id);
- ctrl |= ACTIVE_LANES(ctrl_cfg->active_lanes - 1);
+
/*67 ns stop time */
ctrl |= HSEXIT_CNT(0x43);
@@ -798,14 +797,10 @@ static void mipi_tx_hs_tp_gen(struct kmb_drm_private *dev_p, int vc,
u32 color1, u32 ctrl_no)
{
int val = 0;
+
/* Select test pattern mode on the virtual channel */
val = TP_SEL_VCm(vc, tp_sel);
- if (tp_sel == MIPI_TX_HS_TP_V_STRIPES ||
- tp_sel == MIPI_TX_HS_TP_H_STRIPES) {
- val |= TP_STRIPE_WIDTH(stripe_width);
- }
-
/* Configure test pattern colors */
kmb_write_mipi(dev_p, MIPI_TXm_HS_TEST_PAT_COLOR0(ctrl_no), color0);
kmb_write_mipi(dev_p, MIPI_TXm_HS_TEST_PAT_COLOR1(ctrl_no), color1);
@@ -813,6 +808,7 @@ static void mipi_tx_hs_tp_gen(struct kmb_drm_private *dev_p, int vc,
/* Enable test pattern generation on the virtual channel */
val |= TP_EN_VCm(vc);
kmb_write_mipi(dev_p, MIPI_TXm_HS_TEST_PAT_CTRL(ctrl_no), val);
+
}
#endif
@@ -824,31 +820,33 @@ static u32 mipi_tx_init_cntrl(struct kmb_drm_private *dev_p,
u8 frame_id, sect;
u32 bits_per_pclk = 0;
u32 word_count = 0;
-
- /*This is the order in which mipi tx needs to be initialized
- * set frame section parameters
- * set frame specific parameters
- * connect lcd to mipi
- * multi channel fifo cfg
- * set mipitxcctrlcfg
+ struct mipi_tx_frame_cfg *frame;
+
+ /* This is the order to initialize MIPI TX:
+ * 1. set frame section parameters
+ * 2. set frame specific parameters
+ * 3. connect lcd to mipi
+ * 4. multi channel fifo cfg
+ * 5. set mipitxcctrlcfg
*/
for (frame_id = 0; frame_id < 4; frame_id++) {
- /* find valid frame, assume only one valid frame */
- if (ctrl_cfg->tx_ctrl_cfg.frames[frame_id] == NULL)
+ frame = ctrl_cfg->tx_ctrl_cfg.frames[frame_id];
+
+ /* Find valid frame, assume only one valid frame */
+ if (frame == NULL)
continue;
/* Frame Section configuration */
- /*TODO - assume there is only one valid section in a frame, so
- * bits_per_pclk and word_count are only set once
+ /* TODO - assume there is only one valid section in a frame,
+ * so bits_per_pclk and word_count are only set once
*/
for (sect = 0; sect < MIPI_CTRL_VIRTUAL_CHANNELS; sect++) {
- if (ctrl_cfg->tx_ctrl_cfg.frames[frame_id]->sections[sect]
- == NULL)
+ if (frame->sections[sect] == NULL)
continue;
ret = mipi_tx_fg_section_cfg(dev_p, frame_id, sect,
- ctrl_cfg->tx_ctrl_cfg.frames[frame_id]->sections[sect],
+ frame->sections[sect],
&bits_per_pclk,
&word_count);
if (ret)
@@ -856,30 +854,39 @@ static u32 mipi_tx_init_cntrl(struct kmb_drm_private *dev_p,
}
- /* set frame specific parameters */
+ /* Set frame specific parameters */
mipi_tx_fg_cfg(dev_p, frame_id, ctrl_cfg->active_lanes,
- bits_per_pclk,
- word_count, ctrl_cfg->lane_rate_mbps,
- ctrl_cfg->tx_ctrl_cfg.frames[frame_id]);
+ bits_per_pclk, word_count,
+ ctrl_cfg->lane_rate_mbps, frame);
active_vchannels++;
- /*stop iterating as only one virtual channel shall be used for
- * LCD connection
+ /* Stop iterating as only one virtual channel
+ * shall be used for LCD connection
*/
break;
}
if (active_vchannels == 0)
return -EINVAL;
- /*Multi-Channel FIFO Configuration */
+ /* Multi-Channel FIFO Configuration */
mipi_tx_multichannel_fifo_cfg(dev_p, ctrl_cfg->active_lanes, frame_id);
- /*Frame Generator Enable */
+ /* Frame Generator Enable */
mipi_tx_ctrl_cfg(dev_p, frame_id, ctrl_cfg);
+
+#ifdef MIPI_TX_TEST_PATTERN_GENERATION
+ mipi_tx_hs_tp_gen(dev_p, 0, MIPI_TX_HS_TP_V_STRIPES,
+ 0x8, 0xff, 0xff00, MIPI_CTRL6);
+#endif
+
+ DRM_DEBUG("IRQ_STATUS = 0x%x\n",
+ GET_MIPI_TX_HS_IRQ_STATUS(dev_p, MIPI_CTRL6));
+
return ret;
}
+#ifdef DPHY_READ_TESTCODE
int dphy_read_testcode(struct kmb_drm_private *dev_p, int dphy_sel,
int test_code)
{
@@ -894,17 +901,17 @@ int dphy_read_testcode(struct kmb_drm_private *dev_p, int dphy_sel,
reg_wr_data = 0;
reg_rd_data = 0;
- if (((dphy_sel >> 0 & 0x1) == 1) | ((dphy_sel >> 4 & 0x1) ==
- 1) | ((dphy_sel >> 8 & 0x1) == 1))
+ if (((dphy_sel >> 0 & 0x1) == 1) | ((dphy_sel >> 4 & 0x1) == 1) |
+ ((dphy_sel >> 8 & 0x1) == 1))
reg_wr_data |= data << 0;
- if (((dphy_sel >> 1 & 0x1) == 1) | ((dphy_sel >> 5 & 0x1) ==
- 1) | ((dphy_sel >> 9 & 0x1) == 1))
+ if (((dphy_sel >> 1 & 0x1) == 1) | ((dphy_sel >> 5 & 0x1) == 1) |
+ ((dphy_sel >> 9 & 0x1) == 1))
reg_wr_data |= data << 8;
- if (((dphy_sel >> 2 & 0x1) == 1) | ((dphy_sel >> 6 & 0x1) ==
- 1) | ((dphy_sel >> 10 & 0x1) == 1))
+ if (((dphy_sel >> 2 & 0x1) == 1) | ((dphy_sel >> 6 & 0x1) == 1) |
+ ((dphy_sel >> 10 & 0x1) == 1))
reg_wr_data |= data << 16;
- if (((dphy_sel >> 3 & 0x1) == 1) | ((dphy_sel >> 7 & 0x1) ==
- 1) | ((dphy_sel >> 11 & 0x1) == 1))
+ if (((dphy_sel >> 3 & 0x1) == 1) | ((dphy_sel >> 7 & 0x1) == 1) |
+ ((dphy_sel >> 11 & 0x1) == 1))
reg_wr_data |= data << 24;
if ((dphy_sel >> 0 & 0xf) > 0)
@@ -927,17 +934,18 @@ int dphy_read_testcode(struct kmb_drm_private *dev_p, int dphy_sel,
data = test_code >> 8 & 0xf;
reg_wr_data = 0;
- if (((dphy_sel >> 0 & 0x1) == 1) | ((dphy_sel >> 4 & 0x1) ==
- 1) | ((dphy_sel >> 8 & 0x1) == 1))
+
+ if (((dphy_sel >> 0 & 0x1) == 1) | ((dphy_sel >> 4 & 0x1) == 1) |
+ ((dphy_sel >> 8 & 0x1) == 1))
reg_wr_data |= data << 0;
- if (((dphy_sel >> 1 & 0x1) == 1) | ((dphy_sel >> 5 & 0x1) ==
- 1) | ((dphy_sel >> 9 & 0x1) == 1))
+ if (((dphy_sel >> 1 & 0x1) == 1) | ((dphy_sel >> 5 & 0x1) == 1) |
+ ((dphy_sel >> 9 & 0x1) == 1))
reg_wr_data |= data << 8;
- if (((dphy_sel >> 2 & 0x1) == 1) | ((dphy_sel >> 6 & 0x1) ==
- 1) | ((dphy_sel >> 10 & 0x1) == 1))
+ if (((dphy_sel >> 2 & 0x1) == 1) | ((dphy_sel >> 6 & 0x1) == 1) |
+ ((dphy_sel >> 10 & 0x1) == 1))
reg_wr_data |= data << 16;
- if (((dphy_sel >> 3 & 0x1) == 1) | ((dphy_sel >> 7 & 0x1) ==
- 1) | ((dphy_sel >> 11 & 0x1) == 1))
+ if (((dphy_sel >> 3 & 0x1) == 1) | ((dphy_sel >> 7 & 0x1) == 1) |
+ ((dphy_sel >> 11 & 0x1) == 1))
reg_wr_data |= data << 24;
if ((dphy_sel >> 0 & 0xf) > 0)
@@ -953,17 +961,18 @@ int dphy_read_testcode(struct kmb_drm_private *dev_p, int dphy_sel,
data = test_code & 0xff;
reg_wr_data = 0;
- if (((dphy_sel >> 0 & 0x1) == 1) | ((dphy_sel >> 4 & 0x1) ==
- 1) | ((dphy_sel >> 8 & 0x1) == 1))
+
+ if (((dphy_sel >> 0 & 0x1) == 1) | ((dphy_sel >> 4 & 0x1) == 1) |
+ ((dphy_sel >> 8 & 0x1) == 1))
reg_wr_data |= data << 0;
- if (((dphy_sel >> 1 & 0x1) == 1) | ((dphy_sel >> 5 & 0x1) ==
- 1) | ((dphy_sel >> 9 & 0x1) == 1))
+ if (((dphy_sel >> 1 & 0x1) == 1) | ((dphy_sel >> 5 & 0x1) == 1) |
+ ((dphy_sel >> 9 & 0x1) == 1))
reg_wr_data |= data << 8;
- if (((dphy_sel >> 2 & 0x1) == 1) | ((dphy_sel >> 6 & 0x1) ==
- 1) | ((dphy_sel >> 10 & 0x1) == 1))
+ if (((dphy_sel >> 2 & 0x1) == 1) | ((dphy_sel >> 6 & 0x1) == 1) |
+ ((dphy_sel >> 10 & 0x1) == 1))
reg_wr_data |= data << 16;
- if (((dphy_sel >> 3 & 0x1) == 1) | ((dphy_sel >> 7 & 0x1) ==
- 1) | ((dphy_sel >> 11 & 0x1) == 1))
+ if (((dphy_sel >> 3 & 0x1) == 1) | ((dphy_sel >> 7 & 0x1) == 1) |
+ ((dphy_sel >> 11 & 0x1) == 1))
reg_wr_data |= data << 24;
if ((dphy_sel >> 0 & 0xf) > 0)
@@ -1005,20 +1014,16 @@ int dphy_read_testcode(struct kmb_drm_private *dev_p, int dphy_sel,
data = reg_rd_data >> 24;
return data;
-
}
+#endif
static void test_mode_send(struct kmb_drm_private *dev_p, u32 dphy_no,
u32 test_code, u32 test_data)
{
-#ifdef DEBUG
if (test_code != TEST_CODE_FSM_CONTROL)
- DRM_INFO("test_code = %02x, test_data = %08x\n", test_code,
+ DRM_DEBUG("test_code = %02x, test_data = %08x\n", test_code,
test_data);
-#endif
-
- /* send the test code first */
- /* Steps for code:
+ /* Steps to send test code:
* - set testclk HIGH
* - set testdin with test code
* - set testen HIGH
@@ -1041,14 +1046,14 @@ static void test_mode_send(struct kmb_drm_private *dev_p, u32 dphy_no,
/* Set testen low */
CLR_DPHY_TEST_CTRL1_EN(dev_p, dphy_no);
- /* Send the test data next */
- /* Steps for data:
- * - set testen LOW
- * - set testclk LOW
- * - set testdin with data
- * - set testclk HIGH
- */
if (test_code) {
+ /* Steps to send test data:
+ * - set testen LOW
+ * - set testclk LOW
+ * - set testdin with data
+ * - set testclk HIGH
+ */
+
/* Set testen low */
CLR_DPHY_TEST_CTRL1_EN(dev_p, dphy_no);
@@ -1065,59 +1070,36 @@ static void test_mode_send(struct kmb_drm_private *dev_p, u32 dphy_no,
}
}
-static inline void
- set_test_mode_src_osc_freq_target_low_bits(struct kmb_drm_private
+static inline void set_test_mode_src_osc_freq_target_low_bits(struct
+ kmb_drm_private
*dev_p,
u32 dphy_no,
u32 freq)
{
- /*typical rise/fall time=166,
- * refer Table 1207 databook,sr_osc_freq_target[7:0
+ /* Typical rise/fall time=166, refer Table 1207 databook,
+ * sr_osc_freq_target[7:0]
*/
- test_mode_send(dev_p, dphy_no,
- TEST_CODE_SLEW_RATE_DDL_CYCLES, (freq & 0x7f));
-}
-
-static inline void
-set_test_mode_slew_rate_calib_en(struct kmb_drm_private *dev_p, u32 dphy_no)
-{
- /*do not bypass slew rate calibration algorithm */
- /*bits[1:0}=srcal_en_ovr_en, srcal_en_ovr, bit[6]=sr_range */
- test_mode_send(dev_p, dphy_no, TEST_CODE_SLEW_RATE_OVERRIDE_CTRL,
- (0x03 | (1 << 6)));
+ test_mode_send(dev_p, dphy_no, TEST_CODE_SLEW_RATE_DDL_CYCLES,
+ (freq & 0x7f));
}
-static inline void
-set_test_mode_src_osc_freq_target_hi_bits(struct kmb_drm_private *dev_p,
- u32 dphy_no, u32 freq)
+static inline void set_test_mode_src_osc_freq_target_hi_bits(struct
+ kmb_drm_private
+ *dev_p,
+ u32 dphy_no,
+ u32 freq)
{
u32 data;
- /*typical rise/fall time=166, refer Table 1207 databook,
- * sr_osc_freq_target[11:7
+
+ /* Flag this as high nibble */
+ data = ((freq >> 6) & 0x1f) | (1 << 7);
+
+ /* Typical rise/fall time=166, refer Table 1207 databook,
+ * sr_osc_freq_target[11:7]
*/
- data = ((freq >> 6) & 0x1f) | (1 << 7); /*flag this as high nibble */
test_mode_send(dev_p, dphy_no, TEST_CODE_SLEW_RATE_DDL_CYCLES, data);
}
-struct vco_params {
- u32 freq;
- u32 range;
- u32 divider;
-};
-
-static struct vco_params vco_table[] = {
- {52, 0x3f, 8},
- {80, 0x39, 8},
- {105, 0x2f, 4},
- {160, 0x29, 4},
- {210, 0x1f, 2},
- {320, 0x19, 2},
- {420, 0x0f, 1},
- {630, 0x09, 1},
- {1100, 0x03, 1},
- {0xffff, 0x01, 1},
-};
-
static void mipi_tx_get_vco_params(struct vco_params *vco)
{
int i;
@@ -1128,12 +1110,17 @@ static void mipi_tx_get_vco_params(struct vco_params *vco)
return;
}
}
+
WARN_ONCE(1, "Invalid vco freq = %u for PLL setup\n", vco->freq);
}
static void mipi_tx_pll_setup(struct kmb_drm_private *dev_p, u32 dphy_no,
u32 ref_clk_mhz, u32 target_freq_mhz)
{
+ u32 best_n = 0, best_m = 0;
+ u32 n = 0, m = 0, div = 0, delta, freq = 0, t_freq;
+ u32 best_freq_delta = 3000;
+
/* pll_ref_clk: - valid range: 2~64 MHz; Typically 24 MHz
* Fvco: - valid range: 320~1250 MHz (Gen3 D-PHY)
* Fout: - valid range: 40~1250 MHz (Gen3 D-PHY)
@@ -1151,35 +1138,37 @@ static void mipi_tx_pll_setup(struct kmb_drm_private *dev_p, u32 dphy_no,
.range = 0,
.divider = 1,
};
- u32 best_n = 0, best_m = 0;
- u32 n = 0, m = 0, div = 0, delta, freq = 0, t_freq;
- u32 best_freq_delta = 3000;
vco_p.freq = target_freq_mhz;
mipi_tx_get_vco_params(&vco_p);
- /*search pll n parameter */
+
+ /* Search pll n parameter */
for (n = PLL_N_MIN; n <= PLL_N_MAX; n++) {
- /*calculate the pll input frequency division ratio
+ /* Calculate the pll input frequency division ratio
* multiply by 1000 for precision -
* no floating point, add n for rounding
*/
div = ((ref_clk_mhz * 1000) + n) / (n + 1);
- /*found a valid n parameter */
+
+ /* Found a valid n parameter */
if ((div < 2000 || div > 8000))
continue;
- /*search pll m parameter */
+
+ /* Search pll m parameter */
for (m = PLL_M_MIN; m <= PLL_M_MAX; m++) {
- /*calculate the Fvco(DPHY PLL output frequency)
+ /* Calculate the Fvco(DPHY PLL output frequency)
* using the current n,m params
*/
freq = div * (m + 2);
freq /= 1000;
- /* trim the potential pll freq to max supported */
+
+ /* Trim the potential pll freq to max supported */
if (freq > PLL_FVCO_MAX)
continue;
delta = abs(freq - target_freq_mhz);
- /*select the best (closest to target pll freq)
+
+ /* Select the best (closest to target pll freq)
* n,m parameters so far
*/
if (delta < best_freq_delta) {
@@ -1190,212 +1179,235 @@ static void mipi_tx_pll_setup(struct kmb_drm_private *dev_p, u32 dphy_no,
}
}
- /*Program vco_cntrl parameter
- *PLL_VCO_Control[5:0] = pll_vco_cntrl_ovr,
+ /* Program vco_cntrl parameter
+ * PLL_VCO_Control[5:0] = pll_vco_cntrl_ovr,
* PLL_VCO_Control[6] = pll_vco_cntrl_ovr_en
*/
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_VCO_CTRL, (vco_p.range
| (1 << 6)));
- /*Program m, n pll parameters */
-
- DRM_INFO("%s : %d m = %d n = %d\n", __func__, __LINE__, best_m, best_n);
+ /* Program m, n pll parameters */
+ DRM_INFO("m = %d n = %d\n", best_m, best_n);
- /*PLL_Input_Divider_Ratio[3:0] = pll_n_ovr */
+ /* PLL_Input_Divider_Ratio[3:0] = pll_n_ovr */
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_INPUT_DIVIDER,
(best_n & 0x0f));
- /* m - low nibble PLL_Loop_Divider_Ratio[4:0] = pll_m_ovr[4:0] */
+ /* m - low nibble PLL_Loop_Divider_Ratio[4:0]
+ * pll_m_ovr[4:0]
+ */
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_FEEDBACK_DIVIDER,
(best_m & 0x1f));
- /*m -high nibble PLL_Loop_Divider_Ratio[4:0] = pll_m_ovr[9:5] */
+ /* m - high nibble PLL_Loop_Divider_Ratio[4:0]
+ * pll_m_ovr[9:5]
+ */
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_FEEDBACK_DIVIDER,
((best_m >> 5) & 0x1f) | PLL_FEEDBACK_DIVIDER_HIGH);
- /*enable overwrite of n,m parameters :pll_n_ovr_en, pll_m_ovr_en */
+ /* Enable overwrite of n,m parameters :pll_n_ovr_en, pll_m_ovr_en */
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_OUTPUT_CLK_SEL,
(PLL_N_OVR_EN | PLL_M_OVR_EN));
- /*Program Charge-Pump parameters */
+ /* Program Charge-Pump parameters */
- /*pll_prop_cntrl-fixed values for prop_cntrl from DPHY doc */
+ /* pll_prop_cntrl-fixed values for prop_cntrl from DPHY doc */
t_freq = target_freq_mhz * vco_p.divider;
test_mode_send(dev_p, dphy_no,
TEST_CODE_PLL_PROPORTIONAL_CHARGE_PUMP_CTRL,
((t_freq > 1150) ? 0x0C : 0x0B));
- /*pll_int_cntrl-fixed value for int_cntrl from DPHY doc */
+ /* pll_int_cntrl-fixed value for int_cntrl from DPHY doc */
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_INTEGRAL_CHARGE_PUMP_CTRL,
0x00);
- /*pll_gmp_cntrl-fixed value for gmp_cntrl from DPHY doci */
+ /* pll_gmp_cntrl-fixed value for gmp_cntrl from DPHY doci */
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_GMP_CTRL, 0x10);
- /*pll_cpbias_cntrl-fixed value for cpbias_cntrl from DPHY doc */
+ /* pll_cpbias_cntrl-fixed value for cpbias_cntrl from DPHY doc */
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_CHARGE_PUMP_BIAS, 0x10);
- /*pll_th1 -Lock Detector Phase error threshold, document gives fixed
- * value
+ /* pll_th1 -Lock Detector Phase error threshold,
+ * document gives fixed value
*/
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_PHASE_ERR_CTRL, 0x02);
- /*PLL Lock Configuration */
+ /* PLL Lock Configuration */
- /*pll_th2 - Lock Filter length, document gives fixed value */
+ /* pll_th2 - Lock Filter length, document gives fixed value */
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_LOCK_FILTER, 0x60);
- /*pll_th3- PLL Unlocking filter, document gives fixed value */
+ /* pll_th3- PLL Unlocking filter, document gives fixed value */
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_UNLOCK_FILTER, 0x03);
- /*pll_lock_sel-PLL Lock Detector Selection, document gives
- * fixed value
+ /* pll_lock_sel-PLL Lock Detector Selection,
+ * document gives fixed value
*/
test_mode_send(dev_p, dphy_no, TEST_CODE_PLL_LOCK_DETECTOR, 0x02);
}
+#ifdef DPHY_GET_FSM
+static void dphy_get_fsm(struct kmb_drm_private *dev_p, u32 dphy_no)
+{
+ test_mode_send(dev_p, dphy_no, TEST_CODE_FSM_CONTROL, 0x80);
+
+ DRM_INFO("dphy %d fsm_state = 0%x\n", dphy_no,
+ kmb_read_mipi(dev_p, DPHY_TEST_DOUT4_7));
+}
+#endif
+
static void dphy_init_sequence(struct kmb_drm_private *dev_p,
struct mipi_ctrl_cfg *cfg, u32 dphy_no,
int active_lanes, enum dphy_mode mode)
{
- u32 test_code = 0;
- u32 test_data = 0, val;
+ u32 test_code = 0, test_data = 0, val;
int i = 0;
- /* deassert SHUTDOWNZ signal */
- DRM_INFO("%s : %d MIPI_DPHY_STAT0_4_7 = 0x%x)\n", __func__, __LINE__,
- kmb_read_mipi(dev_p, MIPI_DPHY_STAT4_7));
- /*Set D-PHY in shutdown mode */
- /*assert RSTZ signal */
+ DRM_INFO("dphy=%d mode=%d active_lanes=%d\n", dphy_no, mode,
+ active_lanes);
+ DRM_DEBUG("MIPI_DPHY_STAT0_4_7 = 0x%x)\n",
+ kmb_read_mipi(dev_p, MIPI_DPHY_STAT4_7));
+
+ /* Set D-PHY in shutdown mode */
+ /* Assert RSTZ signal */
CLR_DPHY_INIT_CTRL0(dev_p, dphy_no, RESETZ);
- /* assert SHUTDOWNZ signal */
+
+ /* Assert SHUTDOWNZ signal */
CLR_DPHY_INIT_CTRL0(dev_p, dphy_no, SHUTDOWNZ);
val = kmb_read_mipi(dev_p, DPHY_INIT_CTRL0);
- DRM_INFO("%s : %d DPHY_INIT_CTRL0 = 0x%x\n", __func__, __LINE__, val);
- /*Init D-PHY_n */
- /*Pulse testclear signal to make sure the d-phy configuration starts
- * from a clean base
+ DRM_INFO("DPHY_INIT_CTRL0 = 0x%x\n", val);
+
+ /* Init D-PHY_n
+ * Pulse testclear signal to make sure the d-phy configuration
+ * starts from a clean base
*/
CLR_DPHY_TEST_CTRL0(dev_p, dphy_no);
ndelay(15);
SET_DPHY_TEST_CTRL0(dev_p, dphy_no);
- /*TODO may need to add 15ns delay here */
ndelay(15);
CLR_DPHY_TEST_CTRL0(dev_p, dphy_no);
- val = kmb_read_mipi(dev_p, DPHY_TEST_CTRL0);
- DRM_INFO("%s : %d DPHY_TEST_CTRL0 = 0x%x\n", __func__, __LINE__, val);
ndelay(15);
- /*Set mastermacro bit - Master or slave mode */
+ DRM_DEBUG("DPHY_TEST_CTRL0=0x%x\n",
+ kmb_read_mipi(dev_p, DPHY_TEST_CTRL0));
+
+ /* Set mastermacro bit - Master or slave mode */
test_code = TEST_CODE_MULTIPLE_PHY_CTRL;
- /*DPHY has its own clock lane enabled (master) */
+
+ /* DPHY has its own clock lane enabled (master) */
if (mode == MIPI_DPHY_MASTER)
test_data = 0x01;
else
test_data = 0x00;
- /*send the test code and data */
+ /* Send the test code and data */
test_mode_send(dev_p, dphy_no, test_code, test_data);
- /*Set the lane data rate */
+
+ /* Set the lane data rate */
for (i = 0; i < MIPI_DPHY_DEFAULT_BIT_RATES; i++) {
if (mipi_hs_freq_range[i].default_bit_rate_mbps <
cfg->lane_rate_mbps)
continue;
- /* send the test code and data */
- /*bit[6:0] = hsfreqrange_ovr bit[7] = hsfreqrange_ovr_en */
+
+ /* Send the test code and data */
+ /* bit[6:0] = hsfreqrange_ovr bit[7] = hsfreqrange_ovr_en */
test_code = TEST_CODE_HS_FREQ_RANGE_CFG;
- test_data =
- (mipi_hs_freq_range[i].hsfreqrange_code & 0x7f) | (1 << 7);
+ test_data = (mipi_hs_freq_range[i].hsfreqrange_code & 0x7f) |
+ (1 << 7);
test_mode_send(dev_p, dphy_no, test_code, test_data);
break;
}
- /*
- * High-Speed Tx Slew Rate Calibration
+
+ /* High-Speed Tx Slew Rate Calibration
* BitRate: > 1.5 Gbps && <= 2.5 Gbps: slew rate control OFF
*/
if (cfg->lane_rate_mbps > 1500) {
- /*bypass slew rate calibration algorithm */
- /*bits[1:0} srcal_en_ovr_en, srcal_en_ovr */
+ /* Bypass slew rate calibration algorithm
+ * bits[1:0} srcal_en_ovr_en, srcal_en_ovr
+ */
test_code = TEST_CODE_SLEW_RATE_OVERRIDE_CTRL;
test_data = 0x02;
test_mode_send(dev_p, dphy_no, test_code, test_data);
- /* disable slew rate calibration */
+ /* Disable slew rate calibration */
test_code = TEST_CODE_SLEW_RATE_DDL_LOOP_CTRL;
test_data = 0x00;
test_mode_send(dev_p, dphy_no, test_code, test_data);
} else if (cfg->lane_rate_mbps > 1000) {
- /*BitRate: > 1 Gbps && <= 1.5 Gbps: - slew rate control ON
+ /* BitRate: > 1 Gbps && <= 1.5 Gbps: - slew rate control ON
* typical rise/fall times: 166 ps
*/
- /*do not bypass slew rate calibration algorithm */
- /*bits[1:0}=srcal_en_ovr_en, srcal_en_ovr, bit[6]=sr_range */
+ /* Do not bypass slew rate calibration algorithm
+ * bits[1:0}=srcal_en_ovr_en, srcal_en_ovr, bit[6]=sr_range
+ */
test_code = TEST_CODE_SLEW_RATE_OVERRIDE_CTRL;
test_data = (0x03 | (1 << 6));
test_mode_send(dev_p, dphy_no, test_code, test_data);
-// set_test_mode_slew_rate_calib_en(dev_p, dphy_no);
-
- /* enable slew rate calibration */
+ /* Enable slew rate calibration */
test_code = TEST_CODE_SLEW_RATE_DDL_LOOP_CTRL;
test_data = 0x01;
test_mode_send(dev_p, dphy_no, test_code, test_data);
- /*set sr_osc_freq_target[6:0] */
- /*typical rise/fall time=166, refer Table 1207 databook */
- /*typical rise/fall time=166, refer Table 1207 databook,
- * sr_osc_freq_target[7:0
+ /* Set sr_osc_freq_target[6:0] low nibble
+ * typical rise/fall time=166, refer Table 1207 databook
*/
test_code = TEST_CODE_SLEW_RATE_DDL_CYCLES;
test_data = (0x72f & 0x7f);
test_mode_send(dev_p, dphy_no, test_code, test_data);
- /*set sr_osc_freq_target[11:7] */
- /*typical rise/fall time=166, refer Table 1207 databook,
- * sr_osc_freq_target[11:7
+
+ /* Set sr_osc_freq_target[11:7] high nibble
+ * Typical rise/fall time=166, refer Table 1207 databook
*/
test_code = TEST_CODE_SLEW_RATE_DDL_CYCLES;
- /*flag this as high nibble */
test_data = ((0x72f >> 6) & 0x1f) | (1 << 7);
test_mode_send(dev_p, dphy_no, test_code, test_data);
} else {
- /*lane_rate_mbps <= 1000 Mbps */
- /*BitRate: <= 1 Gbps:
+ /* lane_rate_mbps <= 1000 Mbps
+ * BitRate: <= 1 Gbps:
* - slew rate control ON
* - typical rise/fall times: 225 ps
*/
- /*do not bypass slew rate calibration algorithm */
+ /* Do not bypass slew rate calibration algorithm */
test_code = TEST_CODE_SLEW_RATE_OVERRIDE_CTRL;
test_data = (0x03 | (1 << 6));
test_mode_send(dev_p, dphy_no, test_code, test_data);
- /* enable slew rate calibration */
+ /* Enable slew rate calibration */
test_code = TEST_CODE_SLEW_RATE_DDL_LOOP_CTRL;
test_data = 0x01;
test_mode_send(dev_p, dphy_no, test_code, test_data);
- /*typical rise/fall time=255, refer Table 1207 databook */
+ /* Typical rise/fall time=255, refer Table 1207 databook */
test_code = TEST_CODE_SLEW_RATE_DDL_CYCLES;
test_data = (0x523 & 0x7f);
test_mode_send(dev_p, dphy_no, test_code, test_data);
- /*set sr_osc_freq_target[11:7] */
+ /* Set sr_osc_freq_target[11:7] high nibble */
test_code = TEST_CODE_SLEW_RATE_DDL_CYCLES;
- /*flag this as high nibble */
test_data = ((0x523 >> 6) & 0x1f) | (1 << 7);
test_mode_send(dev_p, dphy_no, test_code, test_data);
}
- /*Set cfgclkfreqrange */
+
+ /* Set cfgclkfreqrange */
val = (((cfg->cfg_clk_khz / 1000) - 17) * 4) & 0x3f;
SET_DPHY_FREQ_CTRL0_3(dev_p, dphy_no, val);
- val = kmb_read_mipi(dev_p, DPHY_FREQ_CTRL0_3 + 4);
- /*Enable config clk for the corresponding d-phy */
+ DRM_INFO("DPHY_FREQ = 0x%x\n",
+ kmb_read_mipi(dev_p, DPHY_FREQ_CTRL0_3 + 4));
+ DRM_DEBUG("MIPI_DPHY_STAT0_4_7 = 0x%x)\n",
+ kmb_read_mipi(dev_p, MIPI_DPHY_STAT4_7));
+
+ /* Enable config clk for the corresponding d-phy */
kmb_set_bit_mipi(dev_p, DPHY_CFG_CLK_EN, dphy_no);
- val = kmb_read_mipi(dev_p, DPHY_CFG_CLK_EN);
+
+ DRM_INFO("DPHY_CFG_CLK_EN = 0x%x\n",
+ kmb_read_mipi(dev_p, DPHY_CFG_CLK_EN));
+
/* PLL setup */
if (mode == MIPI_DPHY_MASTER) {
/*Set PLL regulator in bypass */
@@ -1407,16 +1419,21 @@ static void dphy_init_sequence(struct kmb_drm_private *dev_p,
mipi_tx_pll_setup(dev_p, dphy_no, cfg->ref_clk_khz / 1000,
cfg->lane_rate_mbps / 2);
- /*Set clksel */
- kmb_write_bits_mipi(dev_p, DPHY_INIT_CTRL1, PLL_CLKSEL_0,
- 2, 0x01);
- val = kmb_read_mipi(dev_p, DPHY_INIT_CTRL1);
+ /* Set clksel */
+ kmb_write_bits_mipi(dev_p, DPHY_INIT_CTRL1,
+ PLL_CLKSEL_0, 2, 0x01);
- /*Set pll_shadow_control */
+ /* Set pll_shadow_control */
kmb_set_bit_mipi(dev_p, DPHY_INIT_CTRL1, PLL_SHADOW_CTRL);
- val = kmb_read_mipi(dev_p, DPHY_INIT_CTRL1);
+
+ DRM_INFO("DPHY_INIT_CTRL1 = 0x%x\n",
+ kmb_read_mipi(dev_p, DPHY_INIT_CTRL1));
}
-#define MIPI_TX_FORCE_VOD
+
+ DRM_DEBUG("MIPI_DPHY_STAT0_4_7 = 0x%x)\n",
+ kmb_read_mipi(dev_p, MIPI_DPHY_STAT4_7));
+
+//#define MIPI_TX_FORCE_VOD
#ifdef MIPI_TX_FORCE_VOD
#define MIPI_TX_VOD_LVL 450
#define TEST_CODE_BANDGAP 0x24
@@ -1454,31 +1471,39 @@ static void dphy_init_sequence(struct kmb_drm_private *dev_p,
* bits[5:0] - BaseDir: 1 = Rx
* bits[9:6] - BaseDir: 0 = Tx
*/
+ DRM_DEBUG("MIPI_DPHY_STAT0_4_7 = 0x%x)\n",
+ kmb_read_mipi(dev_p, MIPI_DPHY_STAT4_7));
+
kmb_write_bits_mipi(dev_p, DPHY_INIT_CTRL2, 0, 9, 0x03f);
- val = kmb_read_mipi(dev_p, DPHY_INIT_CTRL2);
ndelay(15);
- /* Enable CLOCK LANE - */
- /*clock lane should be enabled regardless of the direction set for
- * the D-PHY (Rx/Tx)
+ /* Enable CLOCK LANE
+ * Clock lane should be enabled regardless of the direction
+ * set for the D-PHY (Rx/Tx)
*/
kmb_set_bit_mipi(dev_p, DPHY_INIT_CTRL2, 12 + dphy_no);
- val = kmb_read_mipi(dev_p, DPHY_INIT_CTRL2);
- /* enable DATA LANES */
+ DRM_INFO("DPHY_INIT_CTRL2 = 0x%x\n",
+ kmb_read_mipi(dev_p, DPHY_INIT_CTRL2));
+
+ /* Enable DATA LANES */
kmb_write_bits_mipi(dev_p, DPHY_ENABLE, dphy_no * 2, 2,
((1 << active_lanes) - 1));
- val = kmb_read_mipi(dev_p, DPHY_ENABLE);
+ DRM_INFO("DPHY_ENABLE = 0x%x\n", kmb_read_mipi(dev_p, DPHY_ENABLE));
ndelay(15);
- /*Take D-PHY out of shutdown mode */
- /* deassert SHUTDOWNZ signal */
+
+ /* Take D-PHY out of shutdown mode */
+ /* Deassert SHUTDOWNZ signal */
+ DRM_INFO("MIPI_DPHY_STAT0_4_7 = 0x%x)\n",
+ kmb_read_mipi(dev_p, MIPI_DPHY_STAT4_7));
SET_DPHY_INIT_CTRL0(dev_p, dphy_no, SHUTDOWNZ);
ndelay(15);
- /*deassert RSTZ signal */
+ /* Deassert RSTZ signal */
SET_DPHY_INIT_CTRL0(dev_p, dphy_no, RESETZ);
- val = kmb_read_mipi(dev_p, DPHY_INIT_CTRL0);
+ DRM_INFO("DPHY_INIT_CTRL0 = 0x%x\n",
+ kmb_read_mipi(dev_p, DPHY_INIT_CTRL0));
}
static void dphy_wait_fsm(struct kmb_drm_private *dev_p, u32 dphy_no,
@@ -1490,76 +1515,87 @@ static void dphy_wait_fsm(struct kmb_drm_private *dev_p, u32 dphy_no,
do {
test_mode_send(dev_p, dphy_no, TEST_CODE_FSM_CONTROL, 0x80);
- /*TODO-need to add a time out and return failure */
+
+ /* TODO - need to add a time out and return failure */
val = GET_TEST_DOUT4_7(dev_p, dphy_no);
i++;
if (i > TIMEOUT) {
status = 0;
- DRM_INFO("%s: timing out fsm_state = %x GET_TEST_DOUT4_7 = %x",
- __func__, fsm_state, kmb_read_mipi(dev_p,
- DPHY_TEST_DOUT4_7));
break;
}
} while (val != fsm_state);
- DRM_INFO("%s: dphy %d val = %x\n", __func__, dphy_no, val);
DRM_INFO("%s: dphy %d val = %x\n", __func__, dphy_no, val);
DRM_INFO("********** DPHY %d WAIT_FSM %s **********\n",
dphy_no, status ? "SUCCESS" : "FAILED");
}
-static u32 wait_init_done(struct kmb_drm_private *dev_p, u32 dphy_no,
- u32 active_lanes)
+static void wait_init_done(struct kmb_drm_private *dev_p, u32 dphy_no,
+ u32 active_lanes)
{
u32 stopstatedata = 0;
u32 data_lanes = (1 << active_lanes) - 1;
int i = 0, val;
int status = 1;
- DRM_INFO("%s : %d dphy = %d active_lanes=%d data_lanes=%d\n",
- __func__, __LINE__, dphy_no, active_lanes, data_lanes);
+ DRM_INFO("dphy=%d active_lanes=%d data_lanes=%d\n", dphy_no,
+ active_lanes, data_lanes);
do {
val = kmb_read_mipi(dev_p, MIPI_DPHY_STAT4_7);
stopstatedata = GET_STOPSTATE_DATA(dev_p, dphy_no) & data_lanes;
+
+ /* TODO-need to add a time out and return failure */
i++;
+
if (i > TIMEOUT) {
status = 0;
- DRM_INFO("!WAIT_INIT_DONE: TIMING OUT! (err_stat=%d)n",
+
+ DRM_INFO("! WAIT_INIT_DONE: TIMING OUT!(err_stat=%d)",
kmb_read_mipi(dev_p, MIPI_DPHY_ERR_STAT6_7));
+ DRM_INFO("MIPI_DPHY_STAT0_4_7 = 0x%x)\n", val);
+ DRM_INFO("stopdata = 0x%x data_lanes=0x%x\n",
+ stopstatedata, data_lanes);
+
break;
}
-// udelay(1);
+
+ if (i < 3) {
+ DRM_INFO("stopdata = 0x%x data_lanes=0x%x\n",
+ stopstatedata, data_lanes);
+ DRM_INFO("MIPI_DPHY_STAT0_4_7 = 0x%x)\n", val);
+ }
} while (stopstatedata != data_lanes);
DRM_INFO("********** DPHY %d INIT - %s **********\n",
dphy_no, status ? "SUCCESS" : "FAILED");
-
- return 0;
}
-static u32 wait_pll_lock(struct kmb_drm_private *dev_p, u32 dphy_no)
+static void wait_pll_lock(struct kmb_drm_private *dev_p, u32 dphy_no)
{
int i = 0;
int status = 1;
do {
- /*TODO-need to add a time out and return failure */
+ /* TODO-need to add a time out and return failure */
i++;
- // udelay(1);
if (i > TIMEOUT) {
status = 0;
+
DRM_INFO("%s: timing out", __func__);
- DRM_INFO("%s : PLL_LOCK = 0x%x\n", __func__,
+ DRM_INFO("%s : PLL_LOCK = 0x%x ", __func__,
kmb_read_mipi(dev_p, DPHY_PLL_LOCK));
+
break;
}
+ if ((i % 100) == 0)
+ DRM_INFO("%s : PLL_LOCK = 0x%x\n", __func__,
+ kmb_read_mipi(dev_p, DPHY_PLL_LOCK));
} while (!GET_PLL_LOCK(dev_p, dphy_no));
DRM_INFO("********** PLL Locked for DPHY %d - %s **********\n",
dphy_no, status ? "SUCCESS" : "FAILED");
- return 0;
}
static u32 mipi_tx_init_dphy(struct kmb_drm_private *dev_p,
@@ -1567,10 +1603,10 @@ static u32 mipi_tx_init_dphy(struct kmb_drm_private *dev_p,
{
u32 dphy_no = MIPI_DPHY6;
- DRM_INFO("%s : %d active_lanes=%d lane_rate=%d\n",
- __func__, __LINE__, cfg->active_lanes,
+ DRM_INFO("active_lanes=%d lane_rate=%d\n", cfg->active_lanes,
MIPI_TX_LANE_DATA_RATE_MBPS);
- /*multiple D-PHYs needed */
+
+ /* Multiple D-PHYs needed */
if (cfg->active_lanes > MIPI_DPHY_D_LANES) {
/*
*Initialization for Tx aggregation mode is done according to
@@ -1594,16 +1630,16 @@ static u32 mipi_tx_init_dphy(struct kmb_drm_private *dev_p,
MIPI_DPHY_SLAVE);
dphy_wait_fsm(dev_p, dphy_no + 1, DPHY_TX_LOCK);
- /*PHY #N master */
+ /* PHY #N master */
dphy_init_sequence(dev_p, cfg, dphy_no, MIPI_DPHY_D_LANES,
MIPI_DPHY_MASTER);
- /* wait for DPHY init to complete */
+
+ /* Wait for DPHY init to complete */
wait_init_done(dev_p, dphy_no, MIPI_DPHY_D_LANES);
wait_init_done(dev_p, dphy_no + 1,
cfg->active_lanes - MIPI_DPHY_D_LANES);
wait_pll_lock(dev_p, dphy_no);
wait_pll_lock(dev_p, dphy_no + 1);
-// udelay(1000);
dphy_wait_fsm(dev_p, dphy_no, DPHY_TX_IDLE);
} else { /* Single DPHY */
dphy_init_sequence(dev_p, cfg, dphy_no, cfg->active_lanes,
@@ -1616,6 +1652,51 @@ static u32 mipi_tx_init_dphy(struct kmb_drm_private *dev_p,
return 0;
}
+#ifdef MIPI_TX_INIT_IRQS
+static void mipi_tx_init_irqs(struct kmb_drm_private *dev_p,
+ union mipi_irq_cfg *cfg,
+ struct mipi_tx_ctrl_cfg *tx_ctrl_cfg)
+{
+ unsigned long irqflags;
+ uint8_t vc;
+
+ /* Clear all interrupts first */
+ /* Local interrupts */
+ SET_MIPI_TX_HS_IRQ_CLEAR(dev_p, MIPI_CTRL6, MIPI_TX_HS_IRQ_ALL);
+
+ /* Global interrupts */
+ SET_MIPI_CTRL_IRQ_CLEAR0(dev_p, MIPI_CTRL6, MIPI_HS_IRQ);
+ SET_MIPI_CTRL_IRQ_CLEAR0(dev_p, MIPI_CTRL6, MIPI_DPHY_ERR_IRQ);
+ SET_MIPI_CTRL_IRQ_CLEAR1(dev_p, MIPI_CTRL6, MIPI_HS_RX_EVENT_IRQ);
+
+ /* Enable interrupts */
+ spin_lock_irqsave(&dev_p->irq_lock, irqflags);
+ for (vc = 0; vc < MIPI_CTRL_VIRTUAL_CHANNELS; vc++) {
+ if (tx_ctrl_cfg->frames[vc] == NULL)
+ continue;
+
+ /*enable FRAME_DONE interrupt if VC is configured */
+ SET_HS_IRQ_ENABLE(dev_p, MIPI_CTRL6,
+ MIPI_TX_HS_IRQ_FRAME_DONE_0 << vc);
+
+ /* Only one vc for LCD interface */
+ break;
+ }
+
+ /* Eenable user enabled interrupts */
+ if (cfg->irq_cfg.dphy_error)
+ SET_MIPI_CTRL_IRQ_ENABLE0(dev_p, MIPI_CTRL6, MIPI_DPHY_ERR_IRQ);
+ if (cfg->irq_cfg.line_compare)
+ SET_HS_IRQ_ENABLE(dev_p, MIPI_CTRL6,
+ MIPI_TX_HS_IRQ_LINE_COMPARE);
+ if (cfg->irq_cfg.ctrl_error)
+ SET_HS_IRQ_ENABLE(dev_p, MIPI_CTRL6, MIPI_TX_HS_IRQ_ERROR);
+
+ spin_unlock_irqrestore(&dev_p->irq_lock, irqflags);
+}
+#endif
+
+#ifdef MIPI_TX_HANDLE_IRQS
void mipi_tx_handle_irqs(struct kmb_drm_private *dev_p)
{
uint32_t irq_ctrl_stat_0, hs_stat, hs_enable;
@@ -1623,7 +1704,8 @@ void mipi_tx_handle_irqs(struct kmb_drm_private *dev_p)
irq_ctrl_stat_0 = MIPI_GET_IRQ_STAT0(dev_p);
irq_ctrl_enabled_0 = MIPI_GET_IRQ_ENABLED0(dev_p);
- /*only service enabled interrupts */
+
+ /* Only service enabled interrupts */
irq_ctrl_stat_0 &= irq_ctrl_enabled_0;
if (irq_ctrl_stat_0 & MIPI_DPHY_ERR_MASK) {
@@ -1634,7 +1716,8 @@ void mipi_tx_handle_irqs(struct kmb_drm_private *dev_p)
hs_stat = GET_MIPI_TX_HS_IRQ_STATUS(dev_p, MIPI_CTRL6);
hs_enable = GET_HS_IRQ_ENABLE(dev_p, MIPI_CTRL6);
hs_stat &= hs_enable;
- /*look for errors */
+
+ /* Check for errors */
if (hs_stat & MIPI_TX_HS_IRQ_ERROR) {
CLR_HS_IRQ_ENABLE(dev_p, MIPI_CTRL6,
(hs_stat & MIPI_TX_HS_IRQ_ERROR) |
@@ -1647,43 +1730,21 @@ void mipi_tx_handle_irqs(struct kmb_drm_private *dev_p)
}
}
+#endif
+#ifdef LCD_TEST
void connect_lcd_to_mipi(struct kmb_drm_private *dev_p)
{
-#ifdef LCD_TEST
- /*connect lcd to mipi */
- /*DISABLE MIPI->CIF CONNECTION*/
+ /* DISABLE MIPI->CIF CONNECTION */
kmb_write_msscam(dev_p, MSS_MIPI_CIF_CFG, 0);
- /*ENABLE LCD->MIPI CONNECTION */
- kmb_write_msscam(dev_p, MSS_LCD_MIPI_CFG, 1);
- /*DISABLE LCD->CIF LOOPBACK */
- kmb_write_msscam(dev_p, MSS_LOOPBACK_CFG, 0);
-#endif
-}
-
-/**
- * Reads specified number of bytes from the file.
- *
- * @param file - file structure.
- * @param offset - offset in the file.
- * @param addr - address of the buffer.
- * @param count - size of the buffer .
- *
- * @return 0 if success or error code.
- */
-int kmb_kernel_read(struct file *file, loff_t offset,
- char *addr, unsigned long count)
-{
- char __user *buf = (char __user *)addr;
- ssize_t ret;
- if (!(file->f_mode & FMODE_READ))
- return -EBADF;
-
- ret = kernel_read(file, buf, count, &offset);
+ /* ENABLE LCD->MIPI CONNECTION */
+ kmb_write_msscam(dev_p, MSS_LCD_MIPI_CFG, 1);
- return ret;
+ /* DISABLE LCD->CIF LOOPBACK */
+ kmb_write_msscam(dev_p, MSS_LOOPBACK_CFG, 0);
}
+#endif
int kmb_dsi_hw_init(struct drm_device *dev, struct drm_display_mode *mode)
{
@@ -1691,35 +1752,39 @@ int kmb_dsi_hw_init(struct drm_device *dev, struct drm_display_mode *mode)
u64 data_rate;
mipi_tx_init_cfg.active_lanes = MIPI_TX_ACTIVE_LANES;
+
if (mode != NULL) {
mipi_tx_frame0_sect_cfg.width_pixels = mode->crtc_hdisplay;
mipi_tx_frame0_sect_cfg.height_lines = mode->crtc_vdisplay;
mipitx_frame0_cfg.vsync_width =
- mode->crtc_vsync_end - mode->crtc_vsync_start;
+ mode->crtc_vsync_end - mode->crtc_vsync_start;
mipitx_frame0_cfg.v_backporch =
- mode->crtc_vtotal - mode->crtc_vsync_end;
+ mode->crtc_vtotal - mode->crtc_vsync_end;
mipitx_frame0_cfg.v_frontporch =
- mode->crtc_vsync_start - mode->crtc_vdisplay;
+ mode->crtc_vsync_start - mode->crtc_vdisplay;
mipitx_frame0_cfg.hsync_width =
- mode->crtc_hsync_end - mode->crtc_hsync_start;
+ mode->crtc_hsync_end - mode->crtc_hsync_start;
mipitx_frame0_cfg.h_backporch =
- mode->crtc_htotal - mode->crtc_hsync_end;
+ mode->crtc_htotal - mode->crtc_hsync_end;
mipitx_frame0_cfg.h_frontporch =
- mode->crtc_hsync_start - mode->crtc_hdisplay;
- /*lane rate = (vtotal*htotal*fps*bpp)/4 / 1000000
+ mode->crtc_hsync_start - mode->crtc_hdisplay;
+
+ /* Lane rate = (vtotal*htotal*fps*bpp)/4 / 1000000
* to convert to Mbps
*/
- DRM_INFO("htotal = %d vtotal=%d refresh=%d\n",
- mode->crtc_htotal, mode->crtc_vtotal,
- drm_mode_vrefresh(mode));
- data_rate =
- ((((u32)mode->crtc_vtotal * (u32)mode->crtc_htotal)
- * (u32)(drm_mode_vrefresh(mode))
- * MIPI_TX_BPP)/mipi_tx_init_cfg.active_lanes) / 1000000;
- DRM_INFO("data_rate = %llu active_lanes=%d\n",
- data_rate, mipi_tx_init_cfg.active_lanes);
-
- /*when late rate < 800 - modeset fails with 4 lanes -
+ data_rate = ((((u32) mode->crtc_vtotal *
+ (u32) mode->crtc_htotal) *
+ (u32)(drm_mode_vrefresh(mode)) *
+ MIPI_TX_BPP) / mipi_tx_init_cfg.active_lanes) /
+ 1000000;
+
+ DRM_INFO("htotal=%d vtotal=%d refresh=%d\n",
+ mode->crtc_htotal, mode->crtc_vtotal,
+ drm_mode_vrefresh(mode));
+ DRM_INFO("data_rate=%u active_lanes=%d\n",
+ (u32) data_rate, mipi_tx_init_cfg.active_lanes);
+
+ /* When late rate < 800, modeset fails with 4 lanes,
* so switch to 2 lanes
*/
if (data_rate < 800) {
@@ -1729,36 +1794,62 @@ int kmb_dsi_hw_init(struct drm_device *dev, struct drm_display_mode *mode)
mipi_tx_init_cfg.lane_rate_mbps = data_rate;
}
DRM_INFO("lane rate=%d\n", mipi_tx_init_cfg.lane_rate_mbps);
- DRM_INFO("vfp= %d vbp= %d vsyc_len=%d hfp=%d hbp=%d hsync_len=%d lane-rate=%d\n",
- mipitx_frame0_cfg.v_frontporch, mipitx_frame0_cfg.v_backporch,
- mipitx_frame0_cfg.vsync_width,
- mipitx_frame0_cfg.h_frontporch, mipitx_frame0_cfg.h_backporch,
- mipitx_frame0_cfg.hsync_width,
- mipi_tx_init_cfg.lane_rate_mbps);
+ DRM_INFO
+ ("vfp= %d vbp= %d vsyc_len=%d hfp=%d hbp=%d hsync_len=%d lane-rate=%d",
+ mipitx_frame0_cfg.v_frontporch,
+ mipitx_frame0_cfg.v_backporch,
+ mipitx_frame0_cfg.vsync_width,
+ mipitx_frame0_cfg.h_frontporch,
+ mipitx_frame0_cfg.h_backporch,
+ mipitx_frame0_cfg.hsync_width,
+ mipi_tx_init_cfg.lane_rate_mbps);
}
+
if (hw_initialized)
return 0;
+
kmb_write_mipi(dev_p, DPHY_ENABLE, 0);
kmb_write_mipi(dev_p, DPHY_INIT_CTRL0, 0);
kmb_write_mipi(dev_p, DPHY_INIT_CTRL1, 0);
kmb_write_mipi(dev_p, DPHY_INIT_CTRL2, 0);
- /* initialize mipi controller */
+ /* Initialize mipi controller */
mipi_tx_init_cntrl(dev_p, &mipi_tx_init_cfg);
- /*d-phy initialization */
+
+ /* Dphy initialization */
mipi_tx_init_dphy(dev_p, &mipi_tx_init_cfg);
+ DRM_INFO("IRQ_STATUS = 0x%x\n",
+ GET_MIPI_TX_HS_IRQ_STATUS(dev_p, MIPI_CTRL6));
+
+#ifdef LCD_TEST
connect_lcd_to_mipi(dev_p);
+#endif
+
+#ifdef MIPI_TX_INIT_IRQS
+ /* IRQ initialization */
+ mipi_tx_init_irqs(dev_p, &int_cfg, &mipi_tx_init_cfg.tx_ctrl_cfg);
+
+ DRM_INFO("IRQ_STATUS = 0x%x\n",
+ GET_MIPI_TX_HS_IRQ_STATUS(dev_p, MIPI_CTRL6));
+#endif
+
#ifdef MIPI_TX_TEST_PATTERN_GENERATION
- mipi_tx_hs_tp_gen(dev_p, 0, MIPI_TX_HS_TP_V_STRIPES, 0x15, 0xff,
- 0xff00, MIPI_CTRL6);
- DRM_INFO("%s : %d IRQ_STATUS = 0x%x\n", __func__, __LINE__,
- GET_MIPI_TX_HS_IRQ_STATUS(dev_p, MIPI_CTRL6));
+ mipi_tx_hs_tp_gen(dev_p, 0, MIPI_TX_HS_TP_V_STRIPES,
+ 0x15, 0xff, 0xff00, MIPI_CTRL6);
+
+ DRM_INFO("IRQ_STATUS = 0x%x\n",
+ GET_MIPI_TX_HS_IRQ_STATUS(dev_p, MIPI_CTRL6));
#endif //MIPI_TX_TEST_PATTERN_GENERATION
hw_initialized = true;
- DRM_INFO("%s : %d mipi hw_initialized = %d\n", __func__, __LINE__,
- hw_initialized);
+
+ DRM_INFO("MIPI_TXm_HS_CTRL = 0x%x\n",
+ kmb_read_mipi(dev_p, MIPI_TXm_HS_CTRL(6)));
+ DRM_INFO("MIPI LOOP BACK = %x\n",
+ kmb_read_mipi(dev_p, MIPI_CTRL_DIG_LOOPBACK));
+ DRM_INFO("mipi hw_initialized = %d\n", hw_initialized);
+
return 0;
}
@@ -1777,7 +1868,6 @@ int kmb_dsi_init(struct drm_device *dev, struct drm_bridge *bridge)
return -ENOMEM;
}
- DRM_INFO("%s : %d\n", __func__, __LINE__);
kmb_connector = kzalloc(sizeof(*kmb_connector), GFP_KERNEL);
if (!kmb_connector) {
kfree(kmb_dsi);
@@ -1789,38 +1879,42 @@ int kmb_dsi_init(struct drm_device *dev, struct drm_bridge *bridge)
host = kmb_dsi_host_init(dev, kmb_dsi);
if (!host) {
- DRM_ERROR("Faile to allocate host\n");
+ DRM_ERROR("Failed to allocate host\n");
kfree(kmb_dsi);
kfree(kmb_connector);
return -ENOMEM;
}
+
kmb_dsi->dsi_host = host;
connector = &kmb_connector->base;
encoder = &kmb_dsi->base;
encoder->possible_crtcs = 1;
encoder->possible_clones = 0;
+
drm_encoder_init(dev, encoder, &kmb_dsi_funcs, DRM_MODE_ENCODER_DSI,
"MIPI-DSI");
drm_connector_init(dev, connector, &kmb_dsi_connector_funcs,
DRM_MODE_CONNECTOR_DSI);
+
drm_connector_helper_add(connector, &kmb_dsi_connector_helper_funcs);
- DRM_INFO("%s : %d connector = %s encoder = %s\n", __func__,
- __LINE__, connector->name, encoder->name);
+ DRM_INFO("connector = %s encoder = %s\n", connector->name,
+ encoder->name);
ret = drm_connector_attach_encoder(connector, encoder);
+ DRM_INFO("connector->encoder = 0x%p ret = %d\n", connector->encoder,
+ ret);
- /* Link drm_bridge to encoder */
#ifndef FCCTEST
+ /* Link drm_bridge to encoder */
ret = drm_bridge_attach(encoder, bridge, NULL, 0);
if (ret) {
DRM_ERROR("failed to attach bridge to MIPI\n");
drm_encoder_cleanup(encoder);
return ret;
}
-
- DRM_INFO("%s : %d Bridge attached : SUCCESS\n", __func__, __LINE__);
+ DRM_INFO("Bridge attached : SUCCESS\n");
#endif
#ifdef FCCTEST
diff --git a/drivers/gpu/drm/kmb/kmb_dsi.h b/drivers/gpu/drm/kmb/kmb_dsi.h
index 7857576..d2beaf4 100644
--- a/drivers/gpu/drm/kmb/kmb_dsi.h
+++ b/drivers/gpu/drm/kmb/kmb_dsi.h
@@ -11,6 +11,60 @@
#include <drm/drm_modes.h>
#include "kmb_drv.h"
+/* MIPI TX CFG*/
+#define MIPI_TX_LANE_DATA_RATE_MBPS 891
+#define MIPI_TX_REF_CLK_KHZ 24000
+#define MIPI_TX_CFG_CLK_KHZ 24000
+#define MIPI_TX_BPP 24
+
+/* DPHY Tx test codes*/
+#define TEST_CODE_FSM_CONTROL 0x03
+#define TEST_CODE_MULTIPLE_PHY_CTRL 0x0C
+#define TEST_CODE_PLL_PROPORTIONAL_CHARGE_PUMP_CTRL 0x0E
+#define TEST_CODE_PLL_INTEGRAL_CHARGE_PUMP_CTRL 0x0F
+#define TEST_CODE_PLL_VCO_CTRL 0x12
+#define TEST_CODE_PLL_GMP_CTRL 0x13
+#define TEST_CODE_PLL_PHASE_ERR_CTRL 0x14
+#define TEST_CODE_PLL_LOCK_FILTER 0x15
+#define TEST_CODE_PLL_UNLOCK_FILTER 0x16
+#define TEST_CODE_PLL_INPUT_DIVIDER 0x17
+#define TEST_CODE_PLL_FEEDBACK_DIVIDER 0x18
+#define PLL_FEEDBACK_DIVIDER_HIGH (1 << 7)
+#define TEST_CODE_PLL_OUTPUT_CLK_SEL 0x19
+#define PLL_N_OVR_EN (1 << 4)
+#define PLL_M_OVR_EN (1 << 5)
+#define TEST_CODE_VOD_LEVEL 0x24
+#define TEST_CODE_PLL_CHARGE_PUMP_BIAS 0x1C
+#define TEST_CODE_PLL_LOCK_DETECTOR 0x1D
+#define TEST_CODE_HS_FREQ_RANGE_CFG 0x44
+#define TEST_CODE_PLL_ANALOG_PROG 0x1F
+#define TEST_CODE_SLEW_RATE_OVERRIDE_CTRL 0xA0
+#define TEST_CODE_SLEW_RATE_DDL_LOOP_CTRL 0xA3
+#define TEST_CODE_SLEW_RATE_DDL_CYCLES 0xA4
+
+/* DPHY params */
+#define PLL_N_MIN 0
+#define PLL_N_MAX 15
+#define PLL_M_MIN 62
+#define PLL_M_MAX 623
+#define PLL_FVCO_MAX 1250
+
+#define TIMEOUT 600
+
+#define MIPI_TX_FRAME_GEN 4
+#define MIPI_TX_FRAME_GEN_SECTIONS 4
+#define MIPI_CTRL_VIRTUAL_CHANNELS 4
+#define MIPI_D_LANES_PER_DPHY 2
+#define MIPI_CTRL_2LANE_MAX_MC_FIFO_LOC 255
+#define MIPI_CTRL_4LANE_MAX_MC_FIFO_LOC 511
+/* 2 Data Lanes per D-PHY */
+#define MIPI_DPHY_D_LANES 2
+#define MIPI_DPHY_DEFAULT_BIT_RATES 63
+
+#define to_kmb_connector(x) container_of(x, struct kmb_connector, base)
+#define to_kmb_host(x) container_of(x, struct kmb_dsi_host, base)
+#define to_kmb_dsi(x) container_of(x, struct kmb_dsi, base)
+
struct kmb_connector;
struct kmb_dsi_host;
@@ -33,16 +87,7 @@ struct kmb_connector {
struct drm_display_mode *fixed_mode;
};
-#define MIPI_TX_FRAME_GEN 4
-#define MIPI_TX_FRAME_GEN_SECTIONS 4
-#define MIPI_CTRL_VIRTUAL_CHANNELS 4
-#define MIPI_D_LANES_PER_DPHY 2
-#define MIPI_CTRL_2LANE_MAX_MC_FIFO_LOC 255
-#define MIPI_CTRL_4LANE_MAX_MC_FIFO_LOC 511
-#define MIPI_DPHY_D_LANES 2 /* 2 Data Lanes per D-PHY*/
-#define MIPI_DPHY_DEFAULT_BIT_RATES 63
-
-/*DPHY Tx test codes */
+/* DPHY Tx test codes */
enum mipi_ctrl_num {
MIPI_CTRL0 = 0,
@@ -232,7 +277,7 @@ struct mipi_tx_dsi_cfg {
struct mipi_tx_frame_section_cfg {
uint32_t dma_v_stride;
uint16_t dma_v_scale_cfg;
- uint16_t width_pixels; /* Frame width */
+ uint16_t width_pixels;
uint16_t height_lines;
uint8_t dma_packed;
uint8_t bpp;
@@ -304,15 +349,15 @@ struct mipi_ctrl_cfg {
struct mipi_tx_ctrl_cfg tx_ctrl_cfg;
};
-/*structure for storing user specified interrupts that are enabled */
+/* Structure for storing user specified interrupts that are enabled */
union mipi_irq_cfg {
uint8_t value;
struct {
- uint8_t line_compare : 1;
- uint8_t dma_event : 1;
- uint8_t frame_done : 1;
- uint8_t ctrl_error : 1;
- uint8_t dphy_error : 1;
+ uint8_t line_compare:1;
+ uint8_t dma_event:1;
+ uint8_t frame_done:1;
+ uint8_t ctrl_error:1;
+ uint8_t dphy_error:1;
} irq_cfg;
};
@@ -322,9 +367,4 @@ void kmb_plane_destroy(struct drm_plane *plane);
void mipi_tx_handle_irqs(struct kmb_drm_private *dev_p);
void kmb_dsi_host_unregister(void);
int kmb_dsi_hw_init(struct drm_device *dev, struct drm_display_mode *mode);
-
-#define to_kmb_connector(x) container_of(x, struct kmb_connector, base)
-#define to_kmb_host(x) container_of(x, struct kmb_dsi_host, base)
-#define to_kmb_dsi(x) container_of(x, struct kmb_dsi, base)
-
#endif /* __KMB_DSI_H__ */
diff --git a/drivers/gpu/drm/kmb/kmb_plane.c b/drivers/gpu/drm/kmb/kmb_plane.c
index bf93986..f92e191 100644
--- a/drivers/gpu/drm/kmb/kmb_plane.c
+++ b/drivers/gpu/drm/kmb/kmb_plane.c
@@ -21,67 +21,6 @@
#include "kmb_plane.h"
#include "kmb_regs.h"
-/* graphics layer ( layers 2 & 3) formats, only packed formats are supported*/
-static const u32 kmb_formats_g[] = {
- DRM_FORMAT_RGB332,
- DRM_FORMAT_XRGB4444, DRM_FORMAT_XBGR4444,
- DRM_FORMAT_ARGB4444, DRM_FORMAT_ABGR4444,
- DRM_FORMAT_XRGB1555, DRM_FORMAT_XBGR1555,
- DRM_FORMAT_ARGB1555, DRM_FORMAT_ABGR1555,
- DRM_FORMAT_RGB565, DRM_FORMAT_BGR565,
- DRM_FORMAT_RGB888, DRM_FORMAT_BGR888,
- DRM_FORMAT_XRGB8888, DRM_FORMAT_XBGR8888,
- DRM_FORMAT_ARGB8888, DRM_FORMAT_ABGR8888,
-};
-
-#define MAX_FORMAT_G (ARRAY_SIZE(kmb_formats_g))
-#define MAX_FORMAT_V (ARRAY_SIZE(kmb_formats_v))
-
-/* video layer ( 0 & 1) formats, packed and planar formats are supported */
-static const u32 kmb_formats_v[] = {
- /* packed formats */
- DRM_FORMAT_RGB332,
- DRM_FORMAT_XRGB4444, DRM_FORMAT_XBGR4444,
- DRM_FORMAT_ARGB4444, DRM_FORMAT_ABGR4444,
- DRM_FORMAT_XRGB1555, DRM_FORMAT_XBGR1555,
- DRM_FORMAT_ARGB1555, DRM_FORMAT_ABGR1555,
- DRM_FORMAT_RGB565, DRM_FORMAT_BGR565,
- DRM_FORMAT_RGB888, DRM_FORMAT_BGR888,
- DRM_FORMAT_XRGB8888, DRM_FORMAT_XBGR8888,
- DRM_FORMAT_ARGB8888, DRM_FORMAT_ABGR8888,
- /*planar formats */
- DRM_FORMAT_YUV420, DRM_FORMAT_YVU420,
- DRM_FORMAT_YUV422, DRM_FORMAT_YVU422,
- DRM_FORMAT_YUV444, DRM_FORMAT_YVU444,
- DRM_FORMAT_NV12, DRM_FORMAT_NV21,
-};
-
-#define LCD_INT_VL0_ERR (LAYER0_DMA_FIFO_UNDERFLOW | \
- LAYER0_DMA_FIFO_OVERFLOW | \
- LAYER0_DMA_CB_FIFO_OVERFLOW | \
- LAYER0_DMA_CB_FIFO_UNDERFLOW | \
- LAYER0_DMA_CR_FIFO_OVERFLOW | \
- LAYER0_DMA_CR_FIFO_UNDERFLOW)
-
-#define LCD_INT_VL1_ERR (LAYER1_DMA_FIFO_UNDERFLOW | \
- LAYER1_DMA_FIFO_OVERFLOW | \
- LAYER1_DMA_CB_FIFO_OVERFLOW | \
- LAYER1_DMA_CB_FIFO_UNDERFLOW | \
- LAYER1_DMA_CR_FIFO_OVERFLOW | \
- LAYER1_DMA_CR_FIFO_UNDERFLOW)
-
-#define LCD_INT_GL0_ERR (LAYER2_DMA_FIFO_OVERFLOW | LAYER2_DMA_FIFO_UNDERFLOW)
-
-#define LCD_INT_GL1_ERR (LAYER3_DMA_FIFO_OVERFLOW | LAYER3_DMA_FIFO_UNDERFLOW)
-
-#define LCD_INT_VL0 (LAYER0_DMA_DONE | LAYER0_DMA_IDLE | LCD_INT_VL0_ERR)
-
-#define LCD_INT_VL1 (LAYER1_DMA_DONE | LAYER1_DMA_IDLE | LCD_INT_VL1_ERR)
-
-#define LCD_INT_GL0 (LAYER2_DMA_DONE | LAYER2_DMA_IDLE | LCD_INT_GL0_ERR)
-
-#define LCD_INT_GL1 (LAYER3_DMA_DONE | LAYER3_DMA_IDLE | LCD_INT_GL1_ERR)
-
const uint32_t layer_irqs[] = {
LCD_INT_VL0,
LCD_INT_VL1,
@@ -89,16 +28,6 @@ const uint32_t layer_irqs[] = {
LCD_INT_GL1
};
-/*Conversion (yuv->rgb) matrix from myriadx */
-static const u32 csc_coef_lcd[] = {
- 1024, 0, 1436,
- 1024, -352, -731,
- 1024, 1814, 0,
- -179, 125, -226
-};
-
-/*plane initialization status */
-
static unsigned int check_pixel_format(struct drm_plane *plane, u32 format)
{
int i;
@@ -117,7 +46,6 @@ static int kmb_plane_atomic_check(struct drm_plane *plane,
int ret;
fb = state->fb;
-
if (!fb || !state->crtc)
return 0;
@@ -249,7 +177,6 @@ unsigned int set_pixel_format(u32 format)
val = LCD_LAYER_FORMAT_RGBA8888;
break;
}
- DRM_INFO("%s : %d layer format val=%d\n", __func__, __LINE__, val);
return val;
}
@@ -280,14 +207,14 @@ unsigned int set_bits_per_pixel(const struct drm_format_info *format)
break;
}
- DRM_INFO("%s : %d bpp=%d val=%d\n", __func__, __LINE__, bpp, val);
+ DRM_DEBUG("bpp=%d val=0x%x\n", bpp, val);
return val;
}
#ifdef LCD_TEST
static void config_csc(struct kmb_drm_private *dev_p, int plane_id)
{
- /*YUV to RGB conversion using the fixed matrix csc_coef_lcd */
+ /* YUV to RGB conversion using the fixed matrix csc_coef_lcd */
kmb_write_lcd(dev_p, LCD_LAYERn_CSC_COEFF11(plane_id), csc_coef_lcd[0]);
kmb_write_lcd(dev_p, LCD_LAYERn_CSC_COEFF12(plane_id), csc_coef_lcd[1]);
kmb_write_lcd(dev_p, LCD_LAYERn_CSC_COEFF13(plane_id), csc_coef_lcd[2]);
@@ -338,9 +265,8 @@ static void kmb_plane_atomic_update(struct drm_plane *plane,
crtc_x = plane->state->crtc_x;
crtc_y = plane->state->crtc_y;
- DRM_DEBUG
- ("%s : %d src_w=%d src_h=%d, fb->format->format=0x%x fb->flags=0x%x",
- __func__, __LINE__, src_w, src_h, fb->format->format, fb->flags);
+ DRM_DEBUG("src_w=%d src_h=%d, fb->format->format=0x%x fb->flags=0x%x\n",
+ src_w, src_h, fb->format->format, fb->flags);
width = fb->width;
height = fb->height;
@@ -348,38 +274,41 @@ static void kmb_plane_atomic_update(struct drm_plane *plane,
DRM_DEBUG("%s : %d dma_len=%d ", __func__, __LINE__, dma_len);
kmb_write_lcd(dev_p, LCD_LAYERn_DMA_LEN(plane_id), dma_len);
kmb_write_lcd(dev_p, LCD_LAYERn_DMA_LEN_SHADOW(plane_id), dma_len);
-
kmb_write_lcd(dev_p, LCD_LAYERn_DMA_LINE_VSTRIDE(plane_id),
fb->pitches[0]);
kmb_write_lcd(dev_p, LCD_LAYERn_DMA_LINE_WIDTH(plane_id),
(width * fb->format->cpp[0]));
addr[Y_PLANE] = drm_fb_cma_get_gem_addr(fb, plane->state, 0);
- dev_p->fb_addr = (dma_addr_t) addr;
+ dev_p->fb_addr = addr[Y_PLANE];
kmb_write_lcd(dev_p, LCD_LAYERn_DMA_START_ADDR(plane_id),
addr[Y_PLANE] + fb->offsets[0]);
- /*program Cb/Cr for planar formats */
+ /* Program Cb/Cr for planar formats */
if (num_planes > 1) {
if (fb->format->format == DRM_FORMAT_YUV420 ||
fb->format->format == DRM_FORMAT_YVU420)
width /= 2;
- kmb_write_lcd(dev_p,
- LCD_LAYERn_DMA_CB_LINE_VSTRIDE(plane_id),
+
+ kmb_write_lcd(dev_p, LCD_LAYERn_DMA_CB_LINE_VSTRIDE(plane_id),
fb->pitches[LAYER_1]);
- kmb_write_lcd(dev_p,
- LCD_LAYERn_DMA_CB_LINE_WIDTH(plane_id),
+
+ kmb_write_lcd(dev_p, LCD_LAYERn_DMA_CB_LINE_WIDTH(plane_id),
(width * fb->format->cpp[0]));
+
addr[U_PLANE] = drm_fb_cma_get_gem_addr(fb, plane->state,
U_PLANE);
kmb_write_lcd(dev_p, LCD_LAYERn_DMA_START_CB_ADR(plane_id),
addr[U_PLANE]);
+
if (num_planes == 3) {
kmb_write_lcd(dev_p,
LCD_LAYERn_DMA_CR_LINE_VSTRIDE(plane_id),
fb->pitches[LAYER_2]);
+
kmb_write_lcd(dev_p,
LCD_LAYERn_DMA_CR_LINE_WIDTH(plane_id),
(width * fb->format->cpp[0]));
+
addr[V_PLANE] = drm_fb_cma_get_gem_addr(fb,
plane->state,
V_PLANE);
@@ -389,8 +318,8 @@ static void kmb_plane_atomic_update(struct drm_plane *plane,
}
}
- kmb_write_lcd(dev_p, LCD_LAYERn_WIDTH(plane_id), src_w-1);
- kmb_write_lcd(dev_p, LCD_LAYERn_HEIGHT(plane_id), src_h-1);
+ kmb_write_lcd(dev_p, LCD_LAYERn_WIDTH(plane_id), src_w - 1);
+ kmb_write_lcd(dev_p, LCD_LAYERn_HEIGHT(plane_id), src_h - 1);
kmb_write_lcd(dev_p, LCD_LAYERn_COL_START(plane_id), crtc_x);
kmb_write_lcd(dev_p, LCD_LAYERn_ROW_START(plane_id), crtc_y);
@@ -402,25 +331,25 @@ static void kmb_plane_atomic_update(struct drm_plane *plane,
if (val & LCD_LAYER_PLANAR_STORAGE) {
val |= LCD_LAYER_CSC_EN;
- /*enable CSC if input is planar and output is RGB */
+ /* Enable CSC if input is planar and output is RGB */
config_csc(dev_p, plane_id);
}
kmb_write_lcd(dev_p, LCD_LAYERn_CFG(plane_id), val);
switch (plane_id) {
- case LAYER_0:
- ctrl = LCD_CTRL_VL1_ENABLE;
- break;
- case LAYER_1:
- ctrl = LCD_CTRL_VL2_ENABLE;
- break;
- case LAYER_2:
- ctrl = LCD_CTRL_GL1_ENABLE;
- break;
- case LAYER_3:
- ctrl = LCD_CTRL_GL2_ENABLE;
- break;
+ case LAYER_0:
+ ctrl = LCD_CTRL_VL1_ENABLE;
+ break;
+ case LAYER_1:
+ ctrl = LCD_CTRL_VL2_ENABLE;
+ break;
+ case LAYER_2:
+ ctrl = LCD_CTRL_GL1_ENABLE;
+ break;
+ case LAYER_3:
+ ctrl = LCD_CTRL_GL2_ENABLE;
+ break;
}
ctrl |= LCD_CTRL_PROGRESSIVE | LCD_CTRL_TIM_GEN_ENABLE
@@ -441,16 +370,14 @@ static void kmb_plane_atomic_update(struct drm_plane *plane,
/* Leave RGB order,conversion mode and clip mode to default */
/* do not interleave RGB channels for mipi Tx compatibility */
out_format |= LCD_OUTF_MIPI_RGB_MODE;
- // out_format |= LCD_OUTF_SYNC_MODE;
kmb_write_lcd(dev_p, LCD_OUT_FORMAT_CFG, out_format);
dma_cfg = LCD_DMA_LAYER_ENABLE | LCD_DMA_LAYER_VSTRIDE_EN |
LCD_DMA_LAYER_CONT_UPDATE | LCD_DMA_LAYER_AXI_BURST_16;
- /* enable DMA */
+ /* Enable DMA */
kmb_write_lcd(dev_p, LCD_LAYERn_DMA_CFG(plane_id), dma_cfg);
- DRM_DEBUG("%s : %d dma_cfg=0x%x LCD_DMA_CFG=0x%x\n",
- __func__, __LINE__, dma_cfg,
+ DRM_DEBUG("dma_cfg=0x%x LCD_DMA_CFG=0x%x\n", dma_cfg,
kmb_read_lcd(dev_p, LCD_LAYERn_DMA_CFG(plane_id)));
#endif
}
@@ -473,7 +400,6 @@ static void kmb_destroy_plane_state(struct drm_plane *plane,
struct drm_plane_state *state)
{
struct kmb_plane_state *kmb_state = to_kmb_plane_state(state);
-
__drm_atomic_helper_plane_destroy_state(state);
kfree(kmb_state);
}
@@ -484,7 +410,6 @@ struct drm_plane_state *kmb_plane_duplicate_state(struct drm_plane *plane)
struct kmb_plane_state *kmb_state;
kmb_state = kmemdup(plane->state, sizeof(*kmb_state), GFP_KERNEL);
-
if (!kmb_state)
return NULL;
@@ -534,7 +459,6 @@ struct kmb_plane *kmb_plane_init(struct drm_device *drm)
int num_plane_formats;
for (i = 0; i < lcd->n_layers; i++) {
-
plane = devm_kzalloc(drm->dev, sizeof(*plane), GFP_KERNEL);
if (!plane) {
@@ -553,26 +477,25 @@ struct kmb_plane *kmb_plane_init(struct drm_device *drm)
}
ret = drm_universal_plane_init(drm, &plane->base_plane,
- POSSIBLE_CRTCS,
- &kmb_plane_funcs, plane_formats,
- num_plane_formats,
+ POSSIBLE_CRTCS, &kmb_plane_funcs,
+ plane_formats, num_plane_formats,
NULL, plane_type, "plane %d", i);
if (ret < 0) {
- DRM_ERROR
- ("drm_universal_plane_init -failed with ret=%d",
- ret);
+ DRM_ERROR("drm_universal_plane_init failed (ret=%d)",
+ ret);
goto cleanup;
}
DRM_DEBUG("%s : %d plane=%px\n i=%d type=%d",
- __func__, __LINE__, &plane->base_plane,
- i, plane_type);
-
+ __func__, __LINE__,
+ &plane->base_plane, i, plane_type);
drm_plane_helper_add(&plane->base_plane,
&kmb_plane_helper_funcs);
if (plane_type == DRM_PLANE_TYPE_PRIMARY) {
primary = plane;
lcd->plane = plane;
}
+ DRM_DEBUG("%s : %d primary=%px\n", __func__, __LINE__,
+ &primary->base_plane);
plane->id = i;
}
diff --git a/drivers/gpu/drm/kmb/kmb_plane.h b/drivers/gpu/drm/kmb/kmb_plane.h
index b1ac9db..6e4da47 100644
--- a/drivers/gpu/drm/kmb/kmb_plane.h
+++ b/drivers/gpu/drm/kmb/kmb_plane.h
@@ -8,6 +8,34 @@
#include "kmb_drv.h"
+#define LCD_INT_VL0_ERR (LAYER0_DMA_FIFO_UNDERFLOW | \
+ LAYER0_DMA_FIFO_OVERFLOW | \
+ LAYER0_DMA_CB_FIFO_OVERFLOW | \
+ LAYER0_DMA_CB_FIFO_UNDERFLOW | \
+ LAYER0_DMA_CR_FIFO_OVERFLOW | \
+ LAYER0_DMA_CR_FIFO_UNDERFLOW)
+
+#define LCD_INT_VL1_ERR (LAYER1_DMA_FIFO_UNDERFLOW | \
+ LAYER1_DMA_FIFO_OVERFLOW | \
+ LAYER1_DMA_CB_FIFO_OVERFLOW | \
+ LAYER1_DMA_CB_FIFO_UNDERFLOW | \
+ LAYER1_DMA_CR_FIFO_OVERFLOW | \
+ LAYER1_DMA_CR_FIFO_UNDERFLOW)
+
+#define LCD_INT_GL0_ERR (LAYER2_DMA_FIFO_OVERFLOW | LAYER2_DMA_FIFO_UNDERFLOW)
+#define LCD_INT_GL1_ERR (LAYER3_DMA_FIFO_OVERFLOW | LAYER3_DMA_FIFO_UNDERFLOW)
+#define LCD_INT_VL0 (LAYER0_DMA_DONE | LAYER0_DMA_IDLE | LCD_INT_VL0_ERR)
+#define LCD_INT_VL1 (LAYER1_DMA_DONE | LAYER1_DMA_IDLE | LCD_INT_VL1_ERR)
+#define LCD_INT_GL0 (LAYER2_DMA_DONE | LAYER2_DMA_IDLE | LCD_INT_GL0_ERR)
+#define LCD_INT_GL1 (LAYER3_DMA_DONE | LAYER3_DMA_IDLE | LCD_INT_GL1_ERR)
+
+#define POSSIBLE_CRTCS 1
+#define INITIALIZED 1
+#define to_kmb_plane(x) container_of(x, struct kmb_plane, base_plane)
+
+#define to_kmb_plane_state(x) \
+ container_of(x, struct kmb_plane_state, base_plane_state)
+
enum layer_id {
LAYER_0,
LAYER_1,
@@ -34,12 +62,48 @@ struct kmb_plane_state {
unsigned char no_planes;
};
-#define POSSIBLE_CRTCS 1
-#define INITIALIZED 1
-#define to_kmb_plane(x) container_of(x, struct kmb_plane, base_plane)
+/* Graphics layer (layers 2 & 3) formats, only packed formats are supported */
+static const u32 kmb_formats_g[] = {
+ DRM_FORMAT_RGB332,
+ DRM_FORMAT_XRGB4444, DRM_FORMAT_XBGR4444,
+ DRM_FORMAT_ARGB4444, DRM_FORMAT_ABGR4444,
+ DRM_FORMAT_XRGB1555, DRM_FORMAT_XBGR1555,
+ DRM_FORMAT_ARGB1555, DRM_FORMAT_ABGR1555,
+ DRM_FORMAT_RGB565, DRM_FORMAT_BGR565,
+ DRM_FORMAT_RGB888, DRM_FORMAT_BGR888,
+ DRM_FORMAT_XRGB8888, DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_ARGB8888, DRM_FORMAT_ABGR8888,
+};
-#define to_kmb_plane_state(x) \
- container_of(x, struct kmb_plane_state, base_plane_state)
+#define MAX_FORMAT_G (ARRAY_SIZE(kmb_formats_g))
+#define MAX_FORMAT_V (ARRAY_SIZE(kmb_formats_v))
+
+/* Video layer ( 0 & 1) formats, packed and planar formats are supported */
+static const u32 kmb_formats_v[] = {
+ /* packed formats */
+ DRM_FORMAT_RGB332,
+ DRM_FORMAT_XRGB4444, DRM_FORMAT_XBGR4444,
+ DRM_FORMAT_ARGB4444, DRM_FORMAT_ABGR4444,
+ DRM_FORMAT_XRGB1555, DRM_FORMAT_XBGR1555,
+ DRM_FORMAT_ARGB1555, DRM_FORMAT_ABGR1555,
+ DRM_FORMAT_RGB565, DRM_FORMAT_BGR565,
+ DRM_FORMAT_RGB888, DRM_FORMAT_BGR888,
+ DRM_FORMAT_XRGB8888, DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_ARGB8888, DRM_FORMAT_ABGR8888,
+ /*planar formats */
+ DRM_FORMAT_YUV420, DRM_FORMAT_YVU420,
+ DRM_FORMAT_YUV422, DRM_FORMAT_YVU422,
+ DRM_FORMAT_YUV444, DRM_FORMAT_YVU444,
+ DRM_FORMAT_NV12, DRM_FORMAT_NV21,
+};
+
+/* Conversion (yuv->rgb) matrix from myriadx */
+static const u32 csc_coef_lcd[] = {
+ 1024, 0, 1436,
+ 1024, -352, -731,
+ 1024, 1814, 0,
+ -179, 125, -226
+};
struct kmb_plane *kmb_plane_init(struct drm_device *drm);
void kmb_plane_destroy(struct drm_plane *plane);
diff --git a/drivers/gpu/drm/kmb/kmb_regs.h b/drivers/gpu/drm/kmb/kmb_regs.h
index f5c1c4d..c5768d5 100644
--- a/drivers/gpu/drm/kmb/kmb_regs.h
+++ b/drivers/gpu/drm/kmb/kmb_regs.h
@@ -533,9 +533,10 @@
/* MIPI IRQ */
#define MIPI_CTRL_IRQ_STATUS0 (0x00)
#define MIPI_DPHY_ERR_IRQ 1
-#define MIPI_DPHY_ERR_MASK 0x7FE /*bits 1-10 */
+#define MIPI_DPHY_ERR_MASK 0x7FE /*bits 1-10 */
#define MIPI_HS_IRQ 13
-#define MIPI_HS_IRQ_MASK 0x7FE000 /*bits 13-22 */
+/*bits 13-22 */
+#define MIPI_HS_IRQ_MASK 0x7FE000
#define MIPI_LP_EVENT_IRQ 25
#define MIPI_GET_IRQ_STAT0(dev) kmb_read_mipi(dev, \
MIPI_CTRL_IRQ_STATUS0)
@@ -715,18 +716,18 @@
& (1 << (dphy - MIPI_DPHY6)))
#define DPHY_CFG_CLK_EN (0x18c)
-#define MSS_MIPI_CIF_CFG (0x00)
-#define MSS_LCD_MIPI_CFG (0x04)
-#define MSS_CAM_CLK_CTRL (0x10)
-#define MSS_LOOPBACK_CFG (0x0C)
-#define LCD (1<<1)
-#define MIPI_COMMON (1<<2)
-#define MIPI_TX0 (1<<9)
-#define MSS_CAM_RSTN_CTRL (0x14)
-#define MSS_CAM_RSTN_SET (0x20)
-#define MSS_CAM_RSTN_CLR (0x24)
+#define MSS_MIPI_CIF_CFG (0x00)
+#define MSS_LCD_MIPI_CFG (0x04)
+#define MSS_CAM_CLK_CTRL (0x10)
+#define MSS_LOOPBACK_CFG (0x0C)
+#define LCD (1<<1)
+#define MIPI_COMMON (1<<2)
+#define MIPI_TX0 (1<<9)
+#define MSS_CAM_RSTN_CTRL (0x14)
+#define MSS_CAM_RSTN_SET (0x20)
+#define MSS_CAM_RSTN_CLR (0x24)
-#define MSSCPU_CPR_CLK_EN (0x0)
-#define MSSCPU_CPR_RST_EN (0x10)
+#define MSSCPU_CPR_CLK_EN (0x0)
+#define MSSCPU_CPR_RST_EN (0x10)
#define BIT_MASK_16 (0xffff)
#endif /* __KMB_REGS_H__ */
--
2.7.4
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