mfd: wm5102: Make additional DSP registers available to the user

Expose some DSP registers which are useful for DSP users to be able to
access whilst debugging their firmware.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index f9b1e96..187ee86 100644 (file)
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -1853,6 +1853,23 @@ static bool wm5102_readable_register(struct device *dev, unsigned int reg)
        case ARIZONA_DSP1_STATUS_1:
        case ARIZONA_DSP1_STATUS_2:
        case ARIZONA_DSP1_STATUS_3:
+       case ARIZONA_DSP1_WDMA_BUFFER_1:
+       case ARIZONA_DSP1_WDMA_BUFFER_2:
+       case ARIZONA_DSP1_WDMA_BUFFER_3:
+       case ARIZONA_DSP1_WDMA_BUFFER_4:
+       case ARIZONA_DSP1_WDMA_BUFFER_5:
+       case ARIZONA_DSP1_WDMA_BUFFER_6:
+       case ARIZONA_DSP1_WDMA_BUFFER_7:
+       case ARIZONA_DSP1_WDMA_BUFFER_8:
+       case ARIZONA_DSP1_RDMA_BUFFER_1:
+       case ARIZONA_DSP1_RDMA_BUFFER_2:
+       case ARIZONA_DSP1_RDMA_BUFFER_3:
+       case ARIZONA_DSP1_RDMA_BUFFER_4:
+       case ARIZONA_DSP1_RDMA_BUFFER_5:
+       case ARIZONA_DSP1_RDMA_BUFFER_6:
+       case ARIZONA_DSP1_WDMA_CONFIG_1:
+       case ARIZONA_DSP1_WDMA_CONFIG_2:
+       case ARIZONA_DSP1_RDMA_CONFIG_1:
        case ARIZONA_DSP1_SCRATCH_0:
        case ARIZONA_DSP1_SCRATCH_1:
        case ARIZONA_DSP1_SCRATCH_2:
@@ -1911,6 +1928,23 @@ static bool wm5102_volatile_register(struct device *dev, unsigned int reg)
        case ARIZONA_DSP1_STATUS_1:
        case ARIZONA_DSP1_STATUS_2:
        case ARIZONA_DSP1_STATUS_3:
+       case ARIZONA_DSP1_WDMA_BUFFER_1:
+       case ARIZONA_DSP1_WDMA_BUFFER_2:
+       case ARIZONA_DSP1_WDMA_BUFFER_3:
+       case ARIZONA_DSP1_WDMA_BUFFER_4:
+       case ARIZONA_DSP1_WDMA_BUFFER_5:
+       case ARIZONA_DSP1_WDMA_BUFFER_6:
+       case ARIZONA_DSP1_WDMA_BUFFER_7:
+       case ARIZONA_DSP1_WDMA_BUFFER_8:
+       case ARIZONA_DSP1_RDMA_BUFFER_1:
+       case ARIZONA_DSP1_RDMA_BUFFER_2:
+       case ARIZONA_DSP1_RDMA_BUFFER_3:
+       case ARIZONA_DSP1_RDMA_BUFFER_4:
+       case ARIZONA_DSP1_RDMA_BUFFER_5:
+       case ARIZONA_DSP1_RDMA_BUFFER_6:
+       case ARIZONA_DSP1_WDMA_CONFIG_1:
+       case ARIZONA_DSP1_WDMA_CONFIG_2:
+       case ARIZONA_DSP1_RDMA_CONFIG_1:
        case ARIZONA_DSP1_SCRATCH_0:
        case ARIZONA_DSP1_SCRATCH_1:
        case ARIZONA_DSP1_SCRATCH_2:

diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h
index fdf3aa3..6a3b169 100644 (file)
--- a/include/linux/mfd/arizona/registers.h
+++ b/include/linux/mfd/arizona/registers.h
@@ -1034,6 +1034,23 @@
 #define ARIZONA_DSP1_STATUS_1                    0x1104
 #define ARIZONA_DSP1_STATUS_2                    0x1105
 #define ARIZONA_DSP1_STATUS_3                    0x1106
+#define ARIZONA_DSP1_WDMA_BUFFER_1               0x1110
+#define ARIZONA_DSP1_WDMA_BUFFER_2               0x1111
+#define ARIZONA_DSP1_WDMA_BUFFER_3               0x1112
+#define ARIZONA_DSP1_WDMA_BUFFER_4               0x1113
+#define ARIZONA_DSP1_WDMA_BUFFER_5               0x1114
+#define ARIZONA_DSP1_WDMA_BUFFER_6               0x1115
+#define ARIZONA_DSP1_WDMA_BUFFER_7               0x1116
+#define ARIZONA_DSP1_WDMA_BUFFER_8               0x1117
+#define ARIZONA_DSP1_RDMA_BUFFER_1               0x1120
+#define ARIZONA_DSP1_RDMA_BUFFER_2               0x1121
+#define ARIZONA_DSP1_RDMA_BUFFER_3               0x1122
+#define ARIZONA_DSP1_RDMA_BUFFER_4               0x1123
+#define ARIZONA_DSP1_RDMA_BUFFER_5               0x1124
+#define ARIZONA_DSP1_RDMA_BUFFER_6               0x1125
+#define ARIZONA_DSP1_WDMA_CONFIG_1               0x1130
+#define ARIZONA_DSP1_WDMA_CONFIG_2               0x1131
+#define ARIZONA_DSP1_RDMA_CONFIG_1               0x1134
 #define ARIZONA_DSP1_SCRATCH_0                   0x1140
 #define ARIZONA_DSP1_SCRATCH_1                   0x1141
 #define ARIZONA_DSP1_SCRATCH_2                   0x1142