staging: sm750fb: change definition of SYSTEM_CTRL multi-bit fields

Use more straight-forward definitions for multi-bit fields of
SYSTEM_CTRL register and replace FIELD_GET/SET for these fields with
open-coded implementation.

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/sm750fb/ddk750_power.c b/drivers/staging/sm750fb/ddk750_power.c
index 667e4f82254425b89503e194d0f807c13b030703..1c5001c0a44e03e36d776cf1f943682afcac6587 100644 (file)
--- a/drivers/staging/sm750fb/ddk750_power.c
+++ b/drivers/staging/sm750fb/ddk750_power.c
@@ -12,7 +12,7 @@ void ddk750_setDPMS(DPMS_t state)
                                                     DPMS, state));
        } else {
                value = PEEK32(SYSTEM_CTRL);
-               value = FIELD_VALUE(value, SYSTEM_CTRL, DPMS, state);
+               value = (value & ~SYSTEM_CTRL_DPMS_MASK) | state;
                POKE32(SYSTEM_CTRL, value);
        }
 }

diff --git a/drivers/staging/sm750fb/ddk750_reg.h b/drivers/staging/sm750fb/ddk750_reg.h
index 351a1dc679007350137bc6cdd94c73ba1131b3d5..75a20e70ebc3df7f486df23aeb9634a15e226414 100644 (file)
--- a/drivers/staging/sm750fb/ddk750_reg.h
+++ b/drivers/staging/sm750fb/ddk750_reg.h
@@ -11,11 +11,11 @@
 #define DE_STATE2_DE_MEM_FIFO_EMPTY                      BIT(1)
 
 #define SYSTEM_CTRL                                   0x000000
-#define SYSTEM_CTRL_DPMS                              31:30
-#define SYSTEM_CTRL_DPMS_VPHP                         0
-#define SYSTEM_CTRL_DPMS_VPHN                         1
-#define SYSTEM_CTRL_DPMS_VNHP                         2
-#define SYSTEM_CTRL_DPMS_VNHN                         3
+#define SYSTEM_CTRL_DPMS_MASK                         (0x3 << 30)
+#define SYSTEM_CTRL_DPMS_VPHP                         (0x0 << 30)
+#define SYSTEM_CTRL_DPMS_VPHN                         (0x1 << 30)
+#define SYSTEM_CTRL_DPMS_VNHP                         (0x2 << 30)
+#define SYSTEM_CTRL_DPMS_VNHN                         (0x3 << 30)
 #define SYSTEM_CTRL_PCI_BURST                         BIT(29)
 #define SYSTEM_CTRL_PCI_MASTER                        BIT(25)
 #define SYSTEM_CTRL_LATENCY_TIMER_OFF                 BIT(24)
@@ -31,11 +31,11 @@
 #define SYSTEM_CTRL_DE_ABORT                          BIT(13)
 #define SYSTEM_CTRL_PCI_SUBSYS_ID_LOCK                BIT(11)
 #define SYSTEM_CTRL_PCI_RETRY_OFF                     BIT(7)
-#define SYSTEM_CTRL_PCI_SLAVE_BURST_READ_SIZE         5:4
-#define SYSTEM_CTRL_PCI_SLAVE_BURST_READ_SIZE_1       0
-#define SYSTEM_CTRL_PCI_SLAVE_BURST_READ_SIZE_2       1
-#define SYSTEM_CTRL_PCI_SLAVE_BURST_READ_SIZE_4       2
-#define SYSTEM_CTRL_PCI_SLAVE_BURST_READ_SIZE_8       3
+#define SYSTEM_CTRL_PCI_SLAVE_BURST_READ_SIZE_MASK    (0x3 << 4)
+#define SYSTEM_CTRL_PCI_SLAVE_BURST_READ_SIZE_1       (0x0 << 4)
+#define SYSTEM_CTRL_PCI_SLAVE_BURST_READ_SIZE_2       (0x1 << 4)
+#define SYSTEM_CTRL_PCI_SLAVE_BURST_READ_SIZE_4       (0x2 << 4)
+#define SYSTEM_CTRL_PCI_SLAVE_BURST_READ_SIZE_8       (0x3 << 4)
 #define SYSTEM_CTRL_CRT_TRISTATE                      BIT(3)
 #define SYSTEM_CTRL_PCIMEM_TRISTATE                   BIT(2)
 #define SYSTEM_CTRL_LOCALMEM_TRISTATE                 BIT(1)

diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c
index 59adeb6696447c710a14ec04ddefdc64234f631c..357ee5654d4de091809abb2feedbc6bbc90818f2 100644 (file)
--- a/drivers/staging/sm750fb/sm750_hw.c
+++ b/drivers/staging/sm750fb/sm750_hw.c
@@ -112,6 +112,7 @@ int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
        }
 
        if (getChipType() != SM750LE) {
+               unsigned int val;
                /* does user need CRT ?*/
                if (sm750_dev->nocrt) {
                        POKE32(MISC_CTRL,
@@ -119,20 +120,18 @@ int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
                                        MISC_CTRL,
                                        DAC_POWER, OFF));
                        /* shut off dpms */
-                       POKE32(SYSTEM_CTRL,
-                                       FIELD_SET(PEEK32(SYSTEM_CTRL),
-                                       SYSTEM_CTRL,
-                                       DPMS, VNHN));
+                       val = PEEK32(SYSTEM_CTRL) & ~SYSTEM_CTRL_DPMS_MASK;
+                       val |= SYSTEM_CTRL_DPMS_VPHN;
+                       POKE32(SYSTEM_CTRL, val);
                } else {
                        POKE32(MISC_CTRL,
                                        FIELD_SET(PEEK32(MISC_CTRL),
                                        MISC_CTRL,
                                        DAC_POWER, ON));
                        /* turn on dpms */
-                       POKE32(SYSTEM_CTRL,
-                                       FIELD_SET(PEEK32(SYSTEM_CTRL),
-                                       SYSTEM_CTRL,
-                                       DPMS, VPHP));
+                       val = PEEK32(SYSTEM_CTRL) & ~SYSTEM_CTRL_DPMS_MASK;
+                       val |= SYSTEM_CTRL_DPMS_VPHP;
+                       POKE32(SYSTEM_CTRL, val);
                }
 
                switch (sm750_dev->pnltype) {
@@ -448,8 +447,9 @@ int hw_sm750_setBLANK(struct lynxfb_output *output, int blank)
        }
 
        if (output->paths & sm750_crt) {
+               unsigned int val = PEEK32(SYSTEM_CTRL) & ~SYSTEM_CTRL_DPMS_MASK;
 
-               POKE32(SYSTEM_CTRL, FIELD_VALUE(PEEK32(SYSTEM_CTRL), SYSTEM_CTRL, DPMS, dpms));
+               POKE32(SYSTEM_CTRL, val | dpms);
                POKE32(CRT_DISPLAY_CTRL, FIELD_VALUE(PEEK32(CRT_DISPLAY_CTRL), CRT_DISPLAY_CTRL, BLANK, crtdb));
        }