drm/rcar-du: Add support for the R8A7790 DU

The DU revision in the R8A7790 SoC uses one IRQ and clock per CRTC. Add
a corresponding entry in the module platform ID table.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index fd7cdda..381dbad 100644 (file)
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -220,8 +220,13 @@ static const struct rcar_du_device_info rcar_du_r8a7779_info = {
        .features = 0,
 };
 
+static const struct rcar_du_device_info rcar_du_r8a7790_info = {
+       .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK,
+};
+
 static const struct platform_device_id rcar_du_id_table[] = {
        { "rcar-du-r8a7779", (kernel_ulong_t)&rcar_du_r8a7779_info },
+       { "rcar-du-r8a7790", (kernel_ulong_t)&rcar_du_r8a7790_info },
        { }
 };
 

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_regs.h b/drivers/gpu/drm/rcar-du/rcar_du_regs.h
index 195ed7e..f62a9f3 100644 (file)
--- a/drivers/gpu/drm/rcar-du/rcar_du_regs.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_regs.h
@@ -196,6 +196,68 @@
 #define DEFR6_DEFAULT          (DEFR6_CODE | DEFR6_TCNE2)
 
 /* -----------------------------------------------------------------------------
+ * R8A7790-only Control Registers
+ */
+
+#define DD1SSR                 0x20008
+#define DD1SSR_TVR             (1 << 15)
+#define DD1SSR_FRM             (1 << 14)
+#define DD1SSR_BUF             (1 << 12)
+#define DD1SSR_VBK             (1 << 11)
+#define DD1SSR_RINT            (1 << 9)
+#define DD1SSR_HBK             (1 << 8)
+#define DD1SSR_ADC(n)          (1 << ((n)-1))
+
+#define DD1SRCR                        0x2000c
+#define DD1SRCR_TVR            (1 << 15)
+#define DD1SRCR_FRM            (1 << 14)
+#define DD1SRCR_BUF            (1 << 12)
+#define DD1SRCR_VBK            (1 << 11)
+#define DD1SRCR_RINT           (1 << 9)
+#define DD1SRCR_HBK            (1 << 8)
+#define DD1SRCR_ADC(n)         (1 << ((n)-1))
+
+#define DD1IER                 0x20010
+#define DD1IER_TVR             (1 << 15)
+#define DD1IER_FRM             (1 << 14)
+#define DD1IER_BUF             (1 << 12)
+#define DD1IER_VBK             (1 << 11)
+#define DD1IER_RINT            (1 << 9)
+#define DD1IER_HBK             (1 << 8)
+#define DD1IER_ADC(n)          (1 << ((n)-1))
+
+#define DEFR8                  0x20020
+#define DEFR8_CODE             (0x7790 << 16)
+#define DEFR8_VSCS             (1 << 6)
+#define DEFR8_DRGBS_DU(n)      ((n) << 4)
+#define DEFR8_DRGBS_MASK       (3 << 4)
+#define DEFR8_DEFE8            (1 << 0)
+
+#define DOFLR                  0x20024
+#define DOFLR_CODE             (0x7790 << 16)
+#define DOFLR_HSYCFL1          (1 << 13)
+#define DOFLR_VSYCFL1          (1 << 12)
+#define DOFLR_ODDFL1           (1 << 11)
+#define DOFLR_DISPFL1          (1 << 10)
+#define DOFLR_CDEFL1           (1 << 9)
+#define DOFLR_RGBFL1           (1 << 8)
+#define DOFLR_HSYCFL0          (1 << 5)
+#define DOFLR_VSYCFL0          (1 << 4)
+#define DOFLR_ODDFL0           (1 << 3)
+#define DOFLR_DISPFL0          (1 << 2)
+#define DOFLR_CDEFL0           (1 << 1)
+#define DOFLR_RGBFL0           (1 << 0)
+
+#define DIDSR                  0x20028
+#define DIDSR_CODE             (0x7790 << 16)
+#define DIDSR_LCDS_DCLKIN(n)   (0 << (8 + (n) * 2))
+#define DIDSR_LCDS_LVDS0(n)    (2 << (8 + (n) * 2))
+#define DIDSR_LCDS_LVDS1(n)    (3 << (8 + (n) * 2))
+#define DIDSR_LCDS_MASK(n)     (3 << (8 + (n) * 2))
+#define DIDSR_PCDS_CLK(n, clk) (clk << ((n) * 2))
+#define DIDSR_PCDS_MASK(n)     (3 << ((n) * 2))
+
+/* -----------------------------------------------------------------------------
  * Display Timing Generation Registers
  */
 
@@ -364,12 +426,10 @@
  * Display Capture Registers
  */
 
+#define DCMR                   0x0c100
 #define DCMWR                  0x0c104
-#define DC2MWR                 0x0c204
 #define DCSAR                  0x0c120
-#define DC2SAR                 0x0c220
 #define DCMLR                  0x0c150
-#define DC2MLR                 0x0c250
 
 /* -----------------------------------------------------------------------------
  * Color Palette Registers