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[Qemu-devel] [PATCH v2 01/14] sm501: Fixed code style and a few typos in


From: BALATON Zoltan
Subject: [Qemu-devel] [PATCH v2 01/14] sm501: Fixed code style and a few typos in comments
Date: Sun, 26 Feb 2017 00:31:54 -0000

Signed-off-by: BALATON Zoltan <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
---
 hw/display/sm501.c          | 1132 ++++++++++++++++++++++---------------------
 hw/display/sm501_template.h |   52 +-
 2 files changed, 594 insertions(+), 590 deletions(-)

diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index 040a0b9..4f40dee 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -38,7 +38,7 @@
 /*
  * Status: 2010/05/07
  *   - Minimum implementation for Linux console : mmio regs and CRT layer.
- *   - 2D grapihcs acceleration partially supported : only fill rectangle.
+ *   - 2D graphics acceleration partially supported : only fill rectangle.
  *
  * TODO:
  *   - Panel support
@@ -49,13 +49,13 @@
  *   - Performance tuning
  */
 
-//#define DEBUG_SM501
-//#define DEBUG_BITBLT
+/*#define DEBUG_SM501*/
+/*#define DEBUG_BITBLT*/
 
 #ifdef DEBUG_SM501
 #define SM501_DPRINTF(fmt, ...) printf(fmt, ## __VA_ARGS__)
 #else
-#define SM501_DPRINTF(fmt, ...) do {} while(0)
+#define SM501_DPRINTF(fmt, ...) do {} while (0)
 #endif
 
 
@@ -65,379 +65,379 @@
 
 /* System Configuration area */
 /* System config base */
-#define SM501_SYS_CONFIG               (0x000000)
+#define SM501_SYS_CONFIG                (0x000000)
 
 /* config 1 */
-#define SM501_SYSTEM_CONTROL           (0x000000)
+#define SM501_SYSTEM_CONTROL            (0x000000)
 
-#define SM501_SYSCTRL_PANEL_TRISTATE   (1<<0)
-#define SM501_SYSCTRL_MEM_TRISTATE     (1<<1)
-#define SM501_SYSCTRL_CRT_TRISTATE     (1<<2)
+#define SM501_SYSCTRL_PANEL_TRISTATE    (1 << 0)
+#define SM501_SYSCTRL_MEM_TRISTATE      (1 << 1)
+#define SM501_SYSCTRL_CRT_TRISTATE      (1 << 2)
 
-#define SM501_SYSCTRL_PCI_SLAVE_BURST_MASK (3<<4)
-#define SM501_SYSCTRL_PCI_SLAVE_BURST_1        (0<<4)
-#define SM501_SYSCTRL_PCI_SLAVE_BURST_2        (1<<4)
-#define SM501_SYSCTRL_PCI_SLAVE_BURST_4        (2<<4)
-#define SM501_SYSCTRL_PCI_SLAVE_BURST_8        (3<<4)
+#define SM501_SYSCTRL_PCI_SLAVE_BURST_MASK (3 << 4)
+#define SM501_SYSCTRL_PCI_SLAVE_BURST_1 (0 << 4)
+#define SM501_SYSCTRL_PCI_SLAVE_BURST_2 (1 << 4)
+#define SM501_SYSCTRL_PCI_SLAVE_BURST_4 (2 << 4)
+#define SM501_SYSCTRL_PCI_SLAVE_BURST_8 (3 << 4)
 
-#define SM501_SYSCTRL_PCI_CLOCK_RUN_EN (1<<6)
-#define SM501_SYSCTRL_PCI_RETRY_DISABLE        (1<<7)
-#define SM501_SYSCTRL_PCI_SUBSYS_LOCK  (1<<11)
-#define SM501_SYSCTRL_PCI_BURST_READ_EN        (1<<15)
+#define SM501_SYSCTRL_PCI_CLOCK_RUN_EN  (1 << 6)
+#define SM501_SYSCTRL_PCI_RETRY_DISABLE (1 << 7)
+#define SM501_SYSCTRL_PCI_SUBSYS_LOCK   (1 << 11)
+#define SM501_SYSCTRL_PCI_BURST_READ_EN (1 << 15)
 
 /* miscellaneous control */
 
-#define SM501_MISC_CONTROL             (0x000004)
+#define SM501_MISC_CONTROL              (0x000004)
 
-#define SM501_MISC_BUS_SH              (0x0)
-#define SM501_MISC_BUS_PCI             (0x1)
-#define SM501_MISC_BUS_XSCALE          (0x2)
-#define SM501_MISC_BUS_NEC             (0x6)
-#define SM501_MISC_BUS_MASK            (0x7)
+#define SM501_MISC_BUS_SH               (0x0)
+#define SM501_MISC_BUS_PCI              (0x1)
+#define SM501_MISC_BUS_XSCALE           (0x2)
+#define SM501_MISC_BUS_NEC              (0x6)
+#define SM501_MISC_BUS_MASK             (0x7)
 
-#define SM501_MISC_VR_62MB             (1<<3)
-#define SM501_MISC_CDR_RESET           (1<<7)
-#define SM501_MISC_USB_LB              (1<<8)
-#define SM501_MISC_USB_SLAVE           (1<<9)
-#define SM501_MISC_BL_1                        (1<<10)
-#define SM501_MISC_MC                  (1<<11)
-#define SM501_MISC_DAC_POWER           (1<<12)
-#define SM501_MISC_IRQ_INVERT          (1<<16)
-#define SM501_MISC_SH                  (1<<17)
+#define SM501_MISC_VR_62MB              (1 << 3)
+#define SM501_MISC_CDR_RESET            (1 << 7)
+#define SM501_MISC_USB_LB               (1 << 8)
+#define SM501_MISC_USB_SLAVE            (1 << 9)
+#define SM501_MISC_BL_1                 (1 << 10)
+#define SM501_MISC_MC                   (1 << 11)
+#define SM501_MISC_DAC_POWER            (1 << 12)
+#define SM501_MISC_IRQ_INVERT           (1 << 16)
+#define SM501_MISC_SH                   (1 << 17)
 
-#define SM501_MISC_HOLD_EMPTY          (0<<18)
-#define SM501_MISC_HOLD_8              (1<<18)
-#define SM501_MISC_HOLD_16             (2<<18)
-#define SM501_MISC_HOLD_24             (3<<18)
-#define SM501_MISC_HOLD_32             (4<<18)
-#define SM501_MISC_HOLD_MASK           (7<<18)
+#define SM501_MISC_HOLD_EMPTY           (0 << 18)
+#define SM501_MISC_HOLD_8               (1 << 18)
+#define SM501_MISC_HOLD_16              (2 << 18)
+#define SM501_MISC_HOLD_24              (3 << 18)
+#define SM501_MISC_HOLD_32              (4 << 18)
+#define SM501_MISC_HOLD_MASK            (7 << 18)
 
-#define SM501_MISC_FREQ_12             (1<<24)
-#define SM501_MISC_PNL_24BIT           (1<<25)
-#define SM501_MISC_8051_LE             (1<<26)
+#define SM501_MISC_FREQ_12              (1 << 24)
+#define SM501_MISC_PNL_24BIT            (1 << 25)
+#define SM501_MISC_8051_LE              (1 << 26)
 
 
 
-#define SM501_GPIO31_0_CONTROL         (0x000008)
-#define SM501_GPIO63_32_CONTROL                (0x00000C)
-#define SM501_DRAM_CONTROL             (0x000010)
+#define SM501_GPIO31_0_CONTROL          (0x000008)
+#define SM501_GPIO63_32_CONTROL         (0x00000C)
+#define SM501_DRAM_CONTROL              (0x000010)
 
 /* command list */
-#define SM501_ARBTRTN_CONTROL          (0x000014)
+#define SM501_ARBTRTN_CONTROL           (0x000014)
 
 /* command list */
-#define SM501_COMMAND_LIST_STATUS      (0x000024)
+#define SM501_COMMAND_LIST_STATUS       (0x000024)
 
 /* interrupt debug */
-#define SM501_RAW_IRQ_STATUS           (0x000028)
-#define SM501_RAW_IRQ_CLEAR            (0x000028)
-#define SM501_IRQ_STATUS               (0x00002C)
-#define SM501_IRQ_MASK                 (0x000030)
-#define SM501_DEBUG_CONTROL            (0x000034)
+#define SM501_RAW_IRQ_STATUS            (0x000028)
+#define SM501_RAW_IRQ_CLEAR             (0x000028)
+#define SM501_IRQ_STATUS                (0x00002C)
+#define SM501_IRQ_MASK                  (0x000030)
+#define SM501_DEBUG_CONTROL             (0x000034)
 
 /* power management */
-#define SM501_POWERMODE_P2X_SRC                (1<<29)
-#define SM501_POWERMODE_V2X_SRC                (1<<20)
-#define SM501_POWERMODE_M_SRC          (1<<12)
-#define SM501_POWERMODE_M1_SRC         (1<<4)
-
-#define SM501_CURRENT_GATE             (0x000038)
-#define SM501_CURRENT_CLOCK            (0x00003C)
-#define SM501_POWER_MODE_0_GATE                (0x000040)
-#define SM501_POWER_MODE_0_CLOCK       (0x000044)
-#define SM501_POWER_MODE_1_GATE                (0x000048)
-#define SM501_POWER_MODE_1_CLOCK       (0x00004C)
-#define SM501_SLEEP_MODE_GATE          (0x000050)
-#define SM501_POWER_MODE_CONTROL       (0x000054)
+#define SM501_POWERMODE_P2X_SRC         (1 << 29)
+#define SM501_POWERMODE_V2X_SRC         (1 << 20)
+#define SM501_POWERMODE_M_SRC           (1 << 12)
+#define SM501_POWERMODE_M1_SRC          (1 << 4)
+
+#define SM501_CURRENT_GATE              (0x000038)
+#define SM501_CURRENT_CLOCK             (0x00003C)
+#define SM501_POWER_MODE_0_GATE         (0x000040)
+#define SM501_POWER_MODE_0_CLOCK        (0x000044)
+#define SM501_POWER_MODE_1_GATE         (0x000048)
+#define SM501_POWER_MODE_1_CLOCK        (0x00004C)
+#define SM501_SLEEP_MODE_GATE           (0x000050)
+#define SM501_POWER_MODE_CONTROL        (0x000054)
 
 /* power gates for units within the 501 */
-#define SM501_GATE_HOST                        (0)
-#define SM501_GATE_MEMORY              (1)
-#define SM501_GATE_DISPLAY             (2)
-#define SM501_GATE_2D_ENGINE           (3)
-#define SM501_GATE_CSC                 (4)
-#define SM501_GATE_ZVPORT              (5)
-#define SM501_GATE_GPIO                        (6)
-#define SM501_GATE_UART0               (7)
-#define SM501_GATE_UART1               (8)
-#define SM501_GATE_SSP                 (10)
-#define SM501_GATE_USB_HOST            (11)
-#define SM501_GATE_USB_GADGET          (12)
-#define SM501_GATE_UCONTROLLER         (17)
-#define SM501_GATE_AC97                        (18)
+#define SM501_GATE_HOST                 (0)
+#define SM501_GATE_MEMORY               (1)
+#define SM501_GATE_DISPLAY              (2)
+#define SM501_GATE_2D_ENGINE            (3)
+#define SM501_GATE_CSC                  (4)
+#define SM501_GATE_ZVPORT               (5)
+#define SM501_GATE_GPIO                 (6)
+#define SM501_GATE_UART0                (7)
+#define SM501_GATE_UART1                (8)
+#define SM501_GATE_SSP                  (10)
+#define SM501_GATE_USB_HOST             (11)
+#define SM501_GATE_USB_GADGET           (12)
+#define SM501_GATE_UCONTROLLER          (17)
+#define SM501_GATE_AC97                 (18)
 
 /* panel clock */
-#define SM501_CLOCK_P2XCLK             (24)
+#define SM501_CLOCK_P2XCLK              (24)
 /* crt clock */
-#define SM501_CLOCK_V2XCLK             (16)
+#define SM501_CLOCK_V2XCLK              (16)
 /* main clock */
-#define SM501_CLOCK_MCLK               (8)
+#define SM501_CLOCK_MCLK                (8)
 /* SDRAM controller clock */
-#define SM501_CLOCK_M1XCLK             (0)
+#define SM501_CLOCK_M1XCLK              (0)
 
 /* config 2 */
-#define SM501_PCI_MASTER_BASE          (0x000058)
-#define SM501_ENDIAN_CONTROL           (0x00005C)
-#define SM501_DEVICEID                 (0x000060)
+#define SM501_PCI_MASTER_BASE           (0x000058)
+#define SM501_ENDIAN_CONTROL            (0x00005C)
+#define SM501_DEVICEID                  (0x000060)
 /* 0x050100A0 */
 
-#define SM501_DEVICEID_SM501           (0x05010000)
-#define SM501_DEVICEID_IDMASK          (0xffff0000)
-#define SM501_DEVICEID_REVMASK         (0x000000ff)
+#define SM501_DEVICEID_SM501            (0x05010000)
+#define SM501_DEVICEID_IDMASK           (0xffff0000)
+#define SM501_DEVICEID_REVMASK          (0x000000ff)
 
-#define SM501_PLLCLOCK_COUNT           (0x000064)
-#define SM501_MISC_TIMING              (0x000068)
-#define SM501_CURRENT_SDRAM_CLOCK      (0x00006C)
+#define SM501_PLLCLOCK_COUNT            (0x000064)
+#define SM501_MISC_TIMING               (0x000068)
+#define SM501_CURRENT_SDRAM_CLOCK       (0x00006C)
 
-#define SM501_PROGRAMMABLE_PLL_CONTROL (0x000074)
+#define SM501_PROGRAMMABLE_PLL_CONTROL  (0x000074)
 
 /* GPIO base */
-#define SM501_GPIO                     (0x010000)
-#define SM501_GPIO_DATA_LOW            (0x00)
-#define SM501_GPIO_DATA_HIGH           (0x04)
-#define SM501_GPIO_DDR_LOW             (0x08)
-#define SM501_GPIO_DDR_HIGH            (0x0C)
-#define SM501_GPIO_IRQ_SETUP           (0x10)
-#define SM501_GPIO_IRQ_STATUS          (0x14)
-#define SM501_GPIO_IRQ_RESET           (0x14)
+#define SM501_GPIO                      (0x010000)
+#define SM501_GPIO_DATA_LOW             (0x00)
+#define SM501_GPIO_DATA_HIGH            (0x04)
+#define SM501_GPIO_DDR_LOW              (0x08)
+#define SM501_GPIO_DDR_HIGH             (0x0C)
+#define SM501_GPIO_IRQ_SETUP            (0x10)
+#define SM501_GPIO_IRQ_STATUS           (0x14)
+#define SM501_GPIO_IRQ_RESET            (0x14)
 
 /* I2C controller base */
-#define SM501_I2C                      (0x010040)
-#define SM501_I2C_BYTE_COUNT           (0x00)
-#define SM501_I2C_CONTROL              (0x01)
-#define SM501_I2C_STATUS               (0x02)
-#define SM501_I2C_RESET                        (0x02)
-#define SM501_I2C_SLAVE_ADDRESS                (0x03)
-#define SM501_I2C_DATA                 (0x04)
+#define SM501_I2C                       (0x010040)
+#define SM501_I2C_BYTE_COUNT            (0x00)
+#define SM501_I2C_CONTROL               (0x01)
+#define SM501_I2C_STATUS                (0x02)
+#define SM501_I2C_RESET                 (0x02)
+#define SM501_I2C_SLAVE_ADDRESS         (0x03)
+#define SM501_I2C_DATA                  (0x04)
 
 /* SSP base */
-#define SM501_SSP                      (0x020000)
+#define SM501_SSP                       (0x020000)
 
 /* Uart 0 base */
-#define SM501_UART0                    (0x030000)
+#define SM501_UART0                     (0x030000)
 
 /* Uart 1 base */
-#define SM501_UART1                    (0x030020)
+#define SM501_UART1                     (0x030020)
 
 /* USB host port base */
-#define SM501_USB_HOST                 (0x040000)
+#define SM501_USB_HOST                  (0x040000)
 
 /* USB slave/gadget base */
-#define SM501_USB_GADGET               (0x060000)
+#define SM501_USB_GADGET                (0x060000)
 
 /* USB slave/gadget data port base */
-#define SM501_USB_GADGET_DATA          (0x070000)
+#define SM501_USB_GADGET_DATA           (0x070000)
 
 /* Display controller/video engine base */
-#define SM501_DC                       (0x080000)
+#define SM501_DC                        (0x080000)
 
 /* common defines for the SM501 address registers */
-#define SM501_ADDR_FLIP                        (1<<31)
-#define SM501_ADDR_EXT                 (1<<27)
-#define SM501_ADDR_CS1                 (1<<26)
-#define SM501_ADDR_MASK                        (0x3f << 26)
+#define SM501_ADDR_FLIP                 (1 << 31)
+#define SM501_ADDR_EXT                  (1 << 27)
+#define SM501_ADDR_CS1                  (1 << 26)
+#define SM501_ADDR_MASK                 (0x3f << 26)
 
-#define SM501_FIFO_MASK                        (0x3 << 16)
-#define SM501_FIFO_1                   (0x0 << 16)
-#define SM501_FIFO_3                   (0x1 << 16)
-#define SM501_FIFO_7                   (0x2 << 16)
-#define SM501_FIFO_11                  (0x3 << 16)
+#define SM501_FIFO_MASK                 (0x3 << 16)
+#define SM501_FIFO_1                    (0x0 << 16)
+#define SM501_FIFO_3                    (0x1 << 16)
+#define SM501_FIFO_7                    (0x2 << 16)
+#define SM501_FIFO_11                   (0x3 << 16)
 
 /* common registers for panel and the crt */
-#define SM501_OFF_DC_H_TOT             (0x000)
-#define SM501_OFF_DC_V_TOT             (0x008)
-#define SM501_OFF_DC_H_SYNC            (0x004)
-#define SM501_OFF_DC_V_SYNC            (0x00C)
-
-#define SM501_DC_PANEL_CONTROL         (0x000)
-
-#define SM501_DC_PANEL_CONTROL_FPEN    (1<<27)
-#define SM501_DC_PANEL_CONTROL_BIAS    (1<<26)
-#define SM501_DC_PANEL_CONTROL_DATA    (1<<25)
-#define SM501_DC_PANEL_CONTROL_VDD     (1<<24)
-#define SM501_DC_PANEL_CONTROL_DP      (1<<23)
-
-#define SM501_DC_PANEL_CONTROL_TFT_888 (0<<21)
-#define SM501_DC_PANEL_CONTROL_TFT_333 (1<<21)
-#define SM501_DC_PANEL_CONTROL_TFT_444 (2<<21)
-
-#define SM501_DC_PANEL_CONTROL_DE      (1<<20)
-
-#define SM501_DC_PANEL_CONTROL_LCD_TFT (0<<18)
-#define SM501_DC_PANEL_CONTROL_LCD_STN8        (1<<18)
-#define SM501_DC_PANEL_CONTROL_LCD_STN12 (2<<18)
-
-#define SM501_DC_PANEL_CONTROL_CP      (1<<14)
-#define SM501_DC_PANEL_CONTROL_VSP     (1<<13)
-#define SM501_DC_PANEL_CONTROL_HSP     (1<<12)
-#define SM501_DC_PANEL_CONTROL_CK      (1<<9)
-#define SM501_DC_PANEL_CONTROL_TE      (1<<8)
-#define SM501_DC_PANEL_CONTROL_VPD     (1<<7)
-#define SM501_DC_PANEL_CONTROL_VP      (1<<6)
-#define SM501_DC_PANEL_CONTROL_HPD     (1<<5)
-#define SM501_DC_PANEL_CONTROL_HP      (1<<4)
-#define SM501_DC_PANEL_CONTROL_GAMMA   (1<<3)
-#define SM501_DC_PANEL_CONTROL_EN      (1<<2)
-
-#define SM501_DC_PANEL_CONTROL_8BPP    (0<<0)
-#define SM501_DC_PANEL_CONTROL_16BPP   (1<<0)
-#define SM501_DC_PANEL_CONTROL_32BPP   (2<<0)
-
-
-#define SM501_DC_PANEL_PANNING_CONTROL (0x004)
-#define SM501_DC_PANEL_COLOR_KEY       (0x008)
-#define SM501_DC_PANEL_FB_ADDR         (0x00C)
-#define SM501_DC_PANEL_FB_OFFSET       (0x010)
-#define SM501_DC_PANEL_FB_WIDTH                (0x014)
-#define SM501_DC_PANEL_FB_HEIGHT       (0x018)
-#define SM501_DC_PANEL_TL_LOC          (0x01C)
-#define SM501_DC_PANEL_BR_LOC          (0x020)
-#define SM501_DC_PANEL_H_TOT           (0x024)
-#define SM501_DC_PANEL_H_SYNC          (0x028)
-#define SM501_DC_PANEL_V_TOT           (0x02C)
-#define SM501_DC_PANEL_V_SYNC          (0x030)
-#define SM501_DC_PANEL_CUR_LINE                (0x034)
-
-#define SM501_DC_VIDEO_CONTROL         (0x040)
-#define SM501_DC_VIDEO_FB0_ADDR                (0x044)
-#define SM501_DC_VIDEO_FB_WIDTH                (0x048)
-#define SM501_DC_VIDEO_FB0_LAST_ADDR   (0x04C)
-#define SM501_DC_VIDEO_TL_LOC          (0x050)
-#define SM501_DC_VIDEO_BR_LOC          (0x054)
-#define SM501_DC_VIDEO_SCALE           (0x058)
-#define SM501_DC_VIDEO_INIT_SCALE      (0x05C)
-#define SM501_DC_VIDEO_YUV_CONSTANTS   (0x060)
-#define SM501_DC_VIDEO_FB1_ADDR                (0x064)
-#define SM501_DC_VIDEO_FB1_LAST_ADDR   (0x068)
-
-#define SM501_DC_VIDEO_ALPHA_CONTROL   (0x080)
-#define SM501_DC_VIDEO_ALPHA_FB_ADDR   (0x084)
-#define SM501_DC_VIDEO_ALPHA_FB_OFFSET (0x088)
-#define SM501_DC_VIDEO_ALPHA_FB_LAST_ADDR      (0x08C)
-#define SM501_DC_VIDEO_ALPHA_TL_LOC    (0x090)
-#define SM501_DC_VIDEO_ALPHA_BR_LOC    (0x094)
-#define SM501_DC_VIDEO_ALPHA_SCALE     (0x098)
-#define SM501_DC_VIDEO_ALPHA_INIT_SCALE        (0x09C)
-#define SM501_DC_VIDEO_ALPHA_CHROMA_KEY        (0x0A0)
-#define SM501_DC_VIDEO_ALPHA_COLOR_LOOKUP      (0x0A4)
-
-#define SM501_DC_PANEL_HWC_BASE                (0x0F0)
-#define SM501_DC_PANEL_HWC_ADDR                (0x0F0)
-#define SM501_DC_PANEL_HWC_LOC         (0x0F4)
-#define SM501_DC_PANEL_HWC_COLOR_1_2   (0x0F8)
-#define SM501_DC_PANEL_HWC_COLOR_3     (0x0FC)
-
-#define SM501_HWC_EN                   (1<<31)
-
-#define SM501_OFF_HWC_ADDR             (0x00)
-#define SM501_OFF_HWC_LOC              (0x04)
-#define SM501_OFF_HWC_COLOR_1_2                (0x08)
-#define SM501_OFF_HWC_COLOR_3          (0x0C)
-
-#define SM501_DC_ALPHA_CONTROL         (0x100)
-#define SM501_DC_ALPHA_FB_ADDR         (0x104)
-#define SM501_DC_ALPHA_FB_OFFSET       (0x108)
-#define SM501_DC_ALPHA_TL_LOC          (0x10C)
-#define SM501_DC_ALPHA_BR_LOC          (0x110)
-#define SM501_DC_ALPHA_CHROMA_KEY      (0x114)
-#define SM501_DC_ALPHA_COLOR_LOOKUP    (0x118)
-
-#define SM501_DC_CRT_CONTROL           (0x200)
-
-#define SM501_DC_CRT_CONTROL_TVP       (1<<15)
-#define SM501_DC_CRT_CONTROL_CP                (1<<14)
-#define SM501_DC_CRT_CONTROL_VSP       (1<<13)
-#define SM501_DC_CRT_CONTROL_HSP       (1<<12)
-#define SM501_DC_CRT_CONTROL_VS                (1<<11)
-#define SM501_DC_CRT_CONTROL_BLANK     (1<<10)
-#define SM501_DC_CRT_CONTROL_SEL       (1<<9)
-#define SM501_DC_CRT_CONTROL_TE                (1<<8)
+#define SM501_OFF_DC_H_TOT              (0x000)
+#define SM501_OFF_DC_V_TOT              (0x008)
+#define SM501_OFF_DC_H_SYNC             (0x004)
+#define SM501_OFF_DC_V_SYNC             (0x00C)
+
+#define SM501_DC_PANEL_CONTROL          (0x000)
+
+#define SM501_DC_PANEL_CONTROL_FPEN     (1 << 27)
+#define SM501_DC_PANEL_CONTROL_BIAS     (1 << 26)
+#define SM501_DC_PANEL_CONTROL_DATA     (1 << 25)
+#define SM501_DC_PANEL_CONTROL_VDD      (1 << 24)
+#define SM501_DC_PANEL_CONTROL_DP       (1 << 23)
+
+#define SM501_DC_PANEL_CONTROL_TFT_888  (0 << 21)
+#define SM501_DC_PANEL_CONTROL_TFT_333  (1 << 21)
+#define SM501_DC_PANEL_CONTROL_TFT_444  (2 << 21)
+
+#define SM501_DC_PANEL_CONTROL_DE       (1 << 20)
+
+#define SM501_DC_PANEL_CONTROL_LCD_TFT  (0 << 18)
+#define SM501_DC_PANEL_CONTROL_LCD_STN8 (1 << 18)
+#define SM501_DC_PANEL_CONTROL_LCD_STN12 (2 << 18)
+
+#define SM501_DC_PANEL_CONTROL_CP       (1 << 14)
+#define SM501_DC_PANEL_CONTROL_VSP      (1 << 13)
+#define SM501_DC_PANEL_CONTROL_HSP      (1 << 12)
+#define SM501_DC_PANEL_CONTROL_CK       (1 << 9)
+#define SM501_DC_PANEL_CONTROL_TE       (1 << 8)
+#define SM501_DC_PANEL_CONTROL_VPD      (1 << 7)
+#define SM501_DC_PANEL_CONTROL_VP       (1 << 6)
+#define SM501_DC_PANEL_CONTROL_HPD      (1 << 5)
+#define SM501_DC_PANEL_CONTROL_HP       (1 << 4)
+#define SM501_DC_PANEL_CONTROL_GAMMA    (1 << 3)
+#define SM501_DC_PANEL_CONTROL_EN       (1 << 2)
+
+#define SM501_DC_PANEL_CONTROL_8BPP     (0 << 0)
+#define SM501_DC_PANEL_CONTROL_16BPP    (1 << 0)
+#define SM501_DC_PANEL_CONTROL_32BPP    (2 << 0)
+
+
+#define SM501_DC_PANEL_PANNING_CONTROL  (0x004)
+#define SM501_DC_PANEL_COLOR_KEY        (0x008)
+#define SM501_DC_PANEL_FB_ADDR          (0x00C)
+#define SM501_DC_PANEL_FB_OFFSET        (0x010)
+#define SM501_DC_PANEL_FB_WIDTH         (0x014)
+#define SM501_DC_PANEL_FB_HEIGHT        (0x018)
+#define SM501_DC_PANEL_TL_LOC           (0x01C)
+#define SM501_DC_PANEL_BR_LOC           (0x020)
+#define SM501_DC_PANEL_H_TOT            (0x024)
+#define SM501_DC_PANEL_H_SYNC           (0x028)
+#define SM501_DC_PANEL_V_TOT            (0x02C)
+#define SM501_DC_PANEL_V_SYNC           (0x030)
+#define SM501_DC_PANEL_CUR_LINE         (0x034)
+
+#define SM501_DC_VIDEO_CONTROL          (0x040)
+#define SM501_DC_VIDEO_FB0_ADDR         (0x044)
+#define SM501_DC_VIDEO_FB_WIDTH         (0x048)
+#define SM501_DC_VIDEO_FB0_LAST_ADDR    (0x04C)
+#define SM501_DC_VIDEO_TL_LOC           (0x050)
+#define SM501_DC_VIDEO_BR_LOC           (0x054)
+#define SM501_DC_VIDEO_SCALE            (0x058)
+#define SM501_DC_VIDEO_INIT_SCALE       (0x05C)
+#define SM501_DC_VIDEO_YUV_CONSTANTS    (0x060)
+#define SM501_DC_VIDEO_FB1_ADDR         (0x064)
+#define SM501_DC_VIDEO_FB1_LAST_ADDR    (0x068)
+
+#define SM501_DC_VIDEO_ALPHA_CONTROL    (0x080)
+#define SM501_DC_VIDEO_ALPHA_FB_ADDR    (0x084)
+#define SM501_DC_VIDEO_ALPHA_FB_OFFSET  (0x088)
+#define SM501_DC_VIDEO_ALPHA_FB_LAST_ADDR (0x08C)
+#define SM501_DC_VIDEO_ALPHA_TL_LOC     (0x090)
+#define SM501_DC_VIDEO_ALPHA_BR_LOC     (0x094)
+#define SM501_DC_VIDEO_ALPHA_SCALE      (0x098)
+#define SM501_DC_VIDEO_ALPHA_INIT_SCALE (0x09C)
+#define SM501_DC_VIDEO_ALPHA_CHROMA_KEY (0x0A0)
+#define SM501_DC_VIDEO_ALPHA_COLOR_LOOKUP (0x0A4)
+
+#define SM501_DC_PANEL_HWC_BASE         (0x0F0)
+#define SM501_DC_PANEL_HWC_ADDR         (0x0F0)
+#define SM501_DC_PANEL_HWC_LOC          (0x0F4)
+#define SM501_DC_PANEL_HWC_COLOR_1_2    (0x0F8)
+#define SM501_DC_PANEL_HWC_COLOR_3      (0x0FC)
+
+#define SM501_HWC_EN                    (1 << 31)
+
+#define SM501_OFF_HWC_ADDR              (0x00)
+#define SM501_OFF_HWC_LOC               (0x04)
+#define SM501_OFF_HWC_COLOR_1_2         (0x08)
+#define SM501_OFF_HWC_COLOR_3           (0x0C)
+
+#define SM501_DC_ALPHA_CONTROL          (0x100)
+#define SM501_DC_ALPHA_FB_ADDR          (0x104)
+#define SM501_DC_ALPHA_FB_OFFSET        (0x108)
+#define SM501_DC_ALPHA_TL_LOC           (0x10C)
+#define SM501_DC_ALPHA_BR_LOC           (0x110)
+#define SM501_DC_ALPHA_CHROMA_KEY       (0x114)
+#define SM501_DC_ALPHA_COLOR_LOOKUP     (0x118)
+
+#define SM501_DC_CRT_CONTROL            (0x200)
+
+#define SM501_DC_CRT_CONTROL_TVP        (1 << 15)
+#define SM501_DC_CRT_CONTROL_CP         (1 << 14)
+#define SM501_DC_CRT_CONTROL_VSP        (1 << 13)
+#define SM501_DC_CRT_CONTROL_HSP        (1 << 12)
+#define SM501_DC_CRT_CONTROL_VS         (1 << 11)
+#define SM501_DC_CRT_CONTROL_BLANK      (1 << 10)
+#define SM501_DC_CRT_CONTROL_SEL        (1 << 9)
+#define SM501_DC_CRT_CONTROL_TE         (1 << 8)
 #define SM501_DC_CRT_CONTROL_PIXEL_MASK (0xF << 4)
-#define SM501_DC_CRT_CONTROL_GAMMA     (1<<3)
-#define SM501_DC_CRT_CONTROL_ENABLE    (1<<2)
+#define SM501_DC_CRT_CONTROL_GAMMA      (1 << 3)
+#define SM501_DC_CRT_CONTROL_ENABLE     (1 << 2)
 
-#define SM501_DC_CRT_CONTROL_8BPP      (0<<0)
-#define SM501_DC_CRT_CONTROL_16BPP     (1<<0)
-#define SM501_DC_CRT_CONTROL_32BPP     (2<<0)
+#define SM501_DC_CRT_CONTROL_8BPP       (0 << 0)
+#define SM501_DC_CRT_CONTROL_16BPP      (1 << 0)
+#define SM501_DC_CRT_CONTROL_32BPP      (2 << 0)
 
-#define SM501_DC_CRT_FB_ADDR           (0x204)
-#define SM501_DC_CRT_FB_OFFSET         (0x208)
-#define SM501_DC_CRT_H_TOT             (0x20C)
-#define SM501_DC_CRT_H_SYNC            (0x210)
-#define SM501_DC_CRT_V_TOT             (0x214)
-#define SM501_DC_CRT_V_SYNC            (0x218)
-#define SM501_DC_CRT_SIGNATURE_ANALYZER        (0x21C)
-#define SM501_DC_CRT_CUR_LINE          (0x220)
-#define SM501_DC_CRT_MONITOR_DETECT    (0x224)
+#define SM501_DC_CRT_FB_ADDR            (0x204)
+#define SM501_DC_CRT_FB_OFFSET          (0x208)
+#define SM501_DC_CRT_H_TOT              (0x20C)
+#define SM501_DC_CRT_H_SYNC             (0x210)
+#define SM501_DC_CRT_V_TOT              (0x214)
+#define SM501_DC_CRT_V_SYNC             (0x218)
+#define SM501_DC_CRT_SIGNATURE_ANALYZER (0x21C)
+#define SM501_DC_CRT_CUR_LINE           (0x220)
+#define SM501_DC_CRT_MONITOR_DETECT     (0x224)
 
-#define SM501_DC_CRT_HWC_BASE          (0x230)
-#define SM501_DC_CRT_HWC_ADDR          (0x230)
-#define SM501_DC_CRT_HWC_LOC           (0x234)
-#define SM501_DC_CRT_HWC_COLOR_1_2     (0x238)
-#define SM501_DC_CRT_HWC_COLOR_3       (0x23C)
+#define SM501_DC_CRT_HWC_BASE           (0x230)
+#define SM501_DC_CRT_HWC_ADDR           (0x230)
+#define SM501_DC_CRT_HWC_LOC            (0x234)
+#define SM501_DC_CRT_HWC_COLOR_1_2      (0x238)
+#define SM501_DC_CRT_HWC_COLOR_3        (0x23C)
 
-#define SM501_DC_PANEL_PALETTE         (0x400)
+#define SM501_DC_PANEL_PALETTE          (0x400)
 
-#define SM501_DC_VIDEO_PALETTE         (0x800)
+#define SM501_DC_VIDEO_PALETTE          (0x800)
 
-#define SM501_DC_CRT_PALETTE           (0xC00)
+#define SM501_DC_CRT_PALETTE            (0xC00)
 
 /* Zoom Video port base */
-#define SM501_ZVPORT                   (0x090000)
+#define SM501_ZVPORT                    (0x090000)
 
 /* AC97/I2S base */
-#define SM501_AC97                     (0x0A0000)
+#define SM501_AC97                      (0x0A0000)
 
 /* 8051 micro controller base */
-#define SM501_UCONTROLLER              (0x0B0000)
+#define SM501_UCONTROLLER               (0x0B0000)
 
 /* 8051 micro controller SRAM base */
-#define SM501_UCONTROLLER_SRAM         (0x0C0000)
+#define SM501_UCONTROLLER_SRAM          (0x0C0000)
 
 /* DMA base */
-#define SM501_DMA                      (0x0D0000)
+#define SM501_DMA                       (0x0D0000)
 
 /* 2d engine base */
-#define SM501_2D_ENGINE                        (0x100000)
-#define SM501_2D_SOURCE                        (0x00)
-#define SM501_2D_DESTINATION           (0x04)
-#define SM501_2D_DIMENSION             (0x08)
-#define SM501_2D_CONTROL               (0x0C)
-#define SM501_2D_PITCH                 (0x10)
-#define SM501_2D_FOREGROUND            (0x14)
-#define SM501_2D_BACKGROUND            (0x18)
-#define SM501_2D_STRETCH               (0x1C)
-#define SM501_2D_COLOR_COMPARE         (0x20)
-#define SM501_2D_COLOR_COMPARE_MASK    (0x24)
-#define SM501_2D_MASK                  (0x28)
-#define SM501_2D_CLIP_TL               (0x2C)
-#define SM501_2D_CLIP_BR               (0x30)
-#define SM501_2D_MONO_PATTERN_LOW      (0x34)
-#define SM501_2D_MONO_PATTERN_HIGH     (0x38)
-#define SM501_2D_WINDOW_WIDTH          (0x3C)
-#define SM501_2D_SOURCE_BASE           (0x40)
-#define SM501_2D_DESTINATION_BASE      (0x44)
-#define SM501_2D_ALPHA                 (0x48)
-#define SM501_2D_WRAP                  (0x4C)
-#define SM501_2D_STATUS                        (0x50)
-
-#define SM501_CSC_Y_SOURCE_BASE                (0xC8)
-#define SM501_CSC_CONSTANTS            (0xCC)
-#define SM501_CSC_Y_SOURCE_X           (0xD0)
-#define SM501_CSC_Y_SOURCE_Y           (0xD4)
-#define SM501_CSC_U_SOURCE_BASE                (0xD8)
-#define SM501_CSC_V_SOURCE_BASE                (0xDC)
-#define SM501_CSC_SOURCE_DIMENSION     (0xE0)
-#define SM501_CSC_SOURCE_PITCH         (0xE4)
-#define SM501_CSC_DESTINATION          (0xE8)
-#define SM501_CSC_DESTINATION_DIMENSION        (0xEC)
-#define SM501_CSC_DESTINATION_PITCH    (0xF0)
-#define SM501_CSC_SCALE_FACTOR         (0xF4)
-#define SM501_CSC_DESTINATION_BASE     (0xF8)
-#define SM501_CSC_CONTROL              (0xFC)
+#define SM501_2D_ENGINE                 (0x100000)
+#define SM501_2D_SOURCE                 (0x00)
+#define SM501_2D_DESTINATION            (0x04)
+#define SM501_2D_DIMENSION              (0x08)
+#define SM501_2D_CONTROL                (0x0C)
+#define SM501_2D_PITCH                  (0x10)
+#define SM501_2D_FOREGROUND             (0x14)
+#define SM501_2D_BACKGROUND             (0x18)
+#define SM501_2D_STRETCH                (0x1C)
+#define SM501_2D_COLOR_COMPARE          (0x20)
+#define SM501_2D_COLOR_COMPARE_MASK     (0x24)
+#define SM501_2D_MASK                   (0x28)
+#define SM501_2D_CLIP_TL                (0x2C)
+#define SM501_2D_CLIP_BR                (0x30)
+#define SM501_2D_MONO_PATTERN_LOW       (0x34)
+#define SM501_2D_MONO_PATTERN_HIGH      (0x38)
+#define SM501_2D_WINDOW_WIDTH           (0x3C)
+#define SM501_2D_SOURCE_BASE            (0x40)
+#define SM501_2D_DESTINATION_BASE       (0x44)
+#define SM501_2D_ALPHA                  (0x48)
+#define SM501_2D_WRAP                   (0x4C)
+#define SM501_2D_STATUS                 (0x50)
+
+#define SM501_CSC_Y_SOURCE_BASE         (0xC8)
+#define SM501_CSC_CONSTANTS             (0xCC)
+#define SM501_CSC_Y_SOURCE_X            (0xD0)
+#define SM501_CSC_Y_SOURCE_Y            (0xD4)
+#define SM501_CSC_U_SOURCE_BASE         (0xD8)
+#define SM501_CSC_V_SOURCE_BASE         (0xDC)
+#define SM501_CSC_SOURCE_DIMENSION      (0xE0)
+#define SM501_CSC_SOURCE_PITCH          (0xE4)
+#define SM501_CSC_DESTINATION           (0xE8)
+#define SM501_CSC_DESTINATION_DIMENSION (0xEC)
+#define SM501_CSC_DESTINATION_PITCH     (0xF0)
+#define SM501_CSC_SCALE_FACTOR          (0xF4)
+#define SM501_CSC_DESTINATION_BASE      (0xF8)
+#define SM501_CSC_CONTROL               (0xFC)
 
 /* 2d engine data port base */
-#define SM501_2D_ENGINE_DATA           (0x110000)
+#define SM501_2D_ENGINE_DATA            (0x110000)
 
 /* end of register definitions */
 
@@ -446,12 +446,12 @@
 
 /* SM501 local memory size taken from "linux/drivers/mfd/sm501.c" */
 static const uint32_t sm501_mem_local_size[] = {
-       [0]     = 4*1024*1024,
-       [1]     = 8*1024*1024,
-       [2]     = 16*1024*1024,
-       [3]     = 32*1024*1024,
-       [4]     = 64*1024*1024,
-       [5]     = 2*1024*1024,
+    [0] = 4 * 1024 * 1024,
+    [1] = 8 * 1024 * 1024,
+    [2] = 16 * 1024 * 1024,
+    [3] = 32 * 1024 * 1024,
+    [4] = 64 * 1024 * 1024,
+    [5] = 2 * 1024 * 1024,
 };
 #define get_local_mem_size(s) sm501_mem_local_size[(s)->local_mem_size_index]
 
@@ -462,7 +462,7 @@ typedef struct SM501State {
     /* status & internal resources */
     hwaddr base;
     uint32_t local_mem_size_index;
-    uint8_t * local_mem;
+    uint8_t *local_mem;
     MemoryRegion local_mem_region;
     uint32_t last_width;
     uint32_t last_height;
@@ -536,13 +536,13 @@ static uint32_t get_local_mem_size_index(uint32_t size)
     int i, index = 0;
 
     for (i = 0; i < ARRAY_SIZE(sm501_mem_local_size); i++) {
-       uint32_t new_size = sm501_mem_local_size[i];
-       if (new_size >= size) {
-           if (norm_size == 0 || norm_size > new_size) {
-               norm_size = new_size;
-               index = i;
-           }
-       }
+        uint32_t new_size = sm501_mem_local_size[i];
+        if (new_size >= size) {
+            if (norm_size == 0 || norm_size > new_size) {
+                norm_size = new_size;
+                index = i;
+            }
+        }
     }
 
     return index;
@@ -637,7 +637,7 @@ static int within_hwc_y_range(SM501State *state, int y, int 
crt)
     return (hwc_y <= y && y < hwc_y + SM501_HWC_HEIGHT);
 }
 
-static void sm501_2d_operation(SM501State * s)
+static void sm501_2d_operation(SM501State *s)
 {
     /* obtain operation parameters */
     int operation = (s->twoD_control >> 16) & 0x1f;
@@ -653,8 +653,8 @@ static void sm501_2d_operation(SM501State * s)
     int addressing = (s->twoD_stretch >> 16) & 0xF;
 
     /* get frame buffer info */
-    uint8_t * src = s->local_mem + (s->twoD_source_base & 0x03FFFFFF);
-    uint8_t * dst = s->local_mem + (s->twoD_destination_base & 0x03FFFFFF);
+    uint8_t *src = s->local_mem + (s->twoD_source_base & 0x03FFFFFF);
+    uint8_t *dst = s->local_mem + (s->twoD_destination_base & 0x03FFFFFF);
     int src_width = (s->dc_crt_h_total & 0x00000FFF) + 1;
     int dst_width = (s->dc_crt_h_total & 0x00000FFF) + 1;
 
@@ -671,20 +671,20 @@ static void sm501_2d_operation(SM501State * s)
 
     switch (operation) {
     case 0x00: /* copy area */
-#define COPY_AREA(_bpp, _pixel_type, rtl) {                                 \
-        int y, x, index_d, index_s;                                         \
-        for (y = 0; y < operation_height; y++) {                            \
-            for (x = 0; x < operation_width; x++) {                         \
-                if (rtl) {                                                  \
-                    index_s = ((src_y - y) * src_width + src_x - x) * _bpp; \
-                    index_d = ((dst_y - y) * dst_width + dst_x - x) * _bpp; \
-                } else {                                                    \
-                    index_s = ((src_y + y) * src_width + src_x + x) * _bpp; \
-                    index_d = ((dst_y + y) * dst_width + dst_x + x) * _bpp; \
-                }                                                           \
-                *(_pixel_type*)&dst[index_d] = *(_pixel_type*)&src[index_s];\
-            }                                                               \
-        }                                                                   \
+#define COPY_AREA(_bpp, _pixel_type, rtl) {                                   \
+        int y, x, index_d, index_s;                                           \
+        for (y = 0; y < operation_height; y++) {                              \
+            for (x = 0; x < operation_width; x++) {                           \
+                if (rtl) {                                                    \
+                    index_s = ((src_y - y) * src_width + src_x - x) * _bpp;   \
+                    index_d = ((dst_y - y) * dst_width + dst_x - x) * _bpp;   \
+                } else {                                                      \
+                    index_s = ((src_y + y) * src_width + src_x + x) * _bpp;   \
+                    index_d = ((dst_y + y) * dst_width + dst_x + x) * _bpp;   \
+                }                                                             \
+                *(_pixel_type *)&dst[index_d] = *(_pixel_type *)&src[index_s];\
+            }                                                                 \
+        }                                                                     \
     }
         switch (format_flags) {
         case 0:
@@ -705,7 +705,7 @@ static void sm501_2d_operation(SM501State * s)
         for (y = 0; y < operation_height; y++) {                            \
             for (x = 0; x < operation_width; x++) {                         \
                 int index = ((dst_y + y) * dst_width + dst_x + x) * _bpp;   \
-                *(_pixel_type*)&dst[index] = (_pixel_type)color;            \
+                *(_pixel_type *)&dst[index] = (_pixel_type)color;           \
             }                                                               \
         }                                                                   \
     }
@@ -733,50 +733,50 @@ static void sm501_2d_operation(SM501State * s)
 static uint64_t sm501_system_config_read(void *opaque, hwaddr addr,
                                          unsigned size)
 {
-    SM501State * s = (SM501State *)opaque;
+    SM501State *s = (SM501State *)opaque;
     uint32_t ret = 0;
     SM501_DPRINTF("sm501 system config regs : read addr=%x\n", (int)addr);
 
-    switch(addr) {
+    switch (addr) {
     case SM501_SYSTEM_CONTROL:
-       ret = s->system_control;
-       break;
+        ret = s->system_control;
+        break;
     case SM501_MISC_CONTROL:
-       ret = s->misc_control;
-       break;
+        ret = s->misc_control;
+        break;
     case SM501_GPIO31_0_CONTROL:
-       ret = s->gpio_31_0_control;
-       break;
+        ret = s->gpio_31_0_control;
+        break;
     case SM501_GPIO63_32_CONTROL:
-       ret = s->gpio_63_32_control;
-       break;
+        ret = s->gpio_63_32_control;
+        break;
     case SM501_DEVICEID:
-       ret = 0x050100A0;
-       break;
+        ret = 0x050100A0;
+        break;
     case SM501_DRAM_CONTROL:
-       ret = (s->dram_control & 0x07F107C0) | s->local_mem_size_index << 13;
-       break;
+        ret = (s->dram_control & 0x07F107C0) | s->local_mem_size_index << 13;
+        break;
     case SM501_IRQ_MASK:
-       ret = s->irq_mask;
-       break;
+        ret = s->irq_mask;
+        break;
     case SM501_MISC_TIMING:
-       /* TODO : simulate gate control */
-       ret = s->misc_timing;
-       break;
+        /* TODO : simulate gate control */
+        ret = s->misc_timing;
+        break;
     case SM501_CURRENT_GATE:
-       /* TODO : simulate gate control */
-       ret = 0x00021807;
-       break;
+        /* TODO : simulate gate control */
+        ret = 0x00021807;
+        break;
     case SM501_CURRENT_CLOCK:
-       ret = 0x2A1A0A09;
-       break;
+        ret = 0x2A1A0A09;
+        break;
     case SM501_POWER_MODE_CONTROL:
-       ret = s->power_mode_control;
-       break;
+        ret = s->power_mode_control;
+        break;
 
     default:
-       printf("sm501 system config : not implemented register read."
-              " addr=%x\n", (int)addr);
+        printf("sm501 system config : not implemented register read."
+               " addr=%x\n", (int)addr);
         abort();
     }
 
@@ -786,47 +786,47 @@ static uint64_t sm501_system_config_read(void *opaque, 
hwaddr addr,
 static void sm501_system_config_write(void *opaque, hwaddr addr,
                                       uint64_t value, unsigned size)
 {
-    SM501State * s = (SM501State *)opaque;
+    SM501State *s = (SM501State *)opaque;
     SM501_DPRINTF("sm501 system config regs : write addr=%x, val=%x\n",
-                 (uint32_t)addr, (uint32_t)value);
+                  (uint32_t)addr, (uint32_t)value);
 
-    switch(addr) {
+    switch (addr) {
     case SM501_SYSTEM_CONTROL:
-       s->system_control = value & 0xE300B8F7;
-       break;
+        s->system_control = value & 0xE300B8F7;
+        break;
     case SM501_MISC_CONTROL:
-       s->misc_control = value & 0xFF7FFF20;
-       break;
+        s->misc_control = value & 0xFF7FFF20;
+        break;
     case SM501_GPIO31_0_CONTROL:
-       s->gpio_31_0_control = value;
-       break;
+        s->gpio_31_0_control = value;
+        break;
     case SM501_GPIO63_32_CONTROL:
-       s->gpio_63_32_control = value;
-       break;
+        s->gpio_63_32_control = value;
+        break;
     case SM501_DRAM_CONTROL:
-       s->local_mem_size_index = (value >> 13) & 0x7;
-       /* rODO : check validity of size change */
-       s->dram_control |=  value & 0x7FFFFFC3;
-       break;
+        s->local_mem_size_index = (value >> 13) & 0x7;
+        /* TODO : check validity of size change */
+        s->dram_control |=  value & 0x7FFFFFC3;
+        break;
     case SM501_IRQ_MASK:
-       s->irq_mask = value;
-       break;
+        s->irq_mask = value;
+        break;
     case SM501_MISC_TIMING:
-       s->misc_timing = value & 0xF31F1FFF;
-       break;
+        s->misc_timing = value & 0xF31F1FFF;
+        break;
     case SM501_POWER_MODE_0_GATE:
     case SM501_POWER_MODE_1_GATE:
     case SM501_POWER_MODE_0_CLOCK:
     case SM501_POWER_MODE_1_CLOCK:
-       /* TODO : simulate gate & clock control */
-       break;
+        /* TODO : simulate gate & clock control */
+        break;
     case SM501_POWER_MODE_CONTROL:
-       s->power_mode_control = value & 0x00000003;
-       break;
+        s->power_mode_control = value & 0x00000003;
+        break;
 
     default:
-       printf("sm501 system config : not implemented register write."
-              " addr=%x, val=%x\n", (int)addr, (uint32_t)value);
+        printf("sm501 system config : not implemented register write."
+               " addr=%x, val=%x\n", (int)addr, (uint32_t)value);
         abort();
     }
 }
@@ -843,119 +843,119 @@ static const MemoryRegionOps sm501_system_config_ops = {
 
 static uint32_t sm501_palette_read(void *opaque, hwaddr addr)
 {
-    SM501State * s = (SM501State *)opaque;
+    SM501State *s = (SM501State *)opaque;
     SM501_DPRINTF("sm501 palette read addr=%x\n", (int)addr);
 
     /* TODO : consider BYTE/WORD access */
     /* TODO : consider endian */
 
     assert(range_covers_byte(0, 0x400 * 3, addr));
-    return *(uint32_t*)&s->dc_palette[addr];
+    return *(uint32_t *)&s->dc_palette[addr];
 }
 
-static void sm501_palette_write(void *opaque,
-                               hwaddr addr, uint32_t value)
+static void sm501_palette_write(void *opaque, hwaddr addr,
+                                uint32_t value)
 {
-    SM501State * s = (SM501State *)opaque;
+    SM501State *s = (SM501State *)opaque;
     SM501_DPRINTF("sm501 palette write addr=%x, val=%x\n",
-                 (int)addr, value);
+                  (int)addr, value);
 
     /* TODO : consider BYTE/WORD access */
     /* TODO : consider endian */
 
     assert(range_covers_byte(0, 0x400 * 3, addr));
-    *(uint32_t*)&s->dc_palette[addr] = value;
+    *(uint32_t *)&s->dc_palette[addr] = value;
 }
 
 static uint64_t sm501_disp_ctrl_read(void *opaque, hwaddr addr,
                                      unsigned size)
 {
-    SM501State * s = (SM501State *)opaque;
+    SM501State *s = (SM501State *)opaque;
     uint32_t ret = 0;
     SM501_DPRINTF("sm501 disp ctrl regs : read addr=%x\n", (int)addr);
 
-    switch(addr) {
+    switch (addr) {
 
     case SM501_DC_PANEL_CONTROL:
-       ret = s->dc_panel_control;
-       break;
+        ret = s->dc_panel_control;
+        break;
     case SM501_DC_PANEL_PANNING_CONTROL:
-       ret = s->dc_panel_panning_control;
-       break;
+        ret = s->dc_panel_panning_control;
+        break;
     case SM501_DC_PANEL_FB_ADDR:
-       ret = s->dc_panel_fb_addr;
-       break;
+        ret = s->dc_panel_fb_addr;
+        break;
     case SM501_DC_PANEL_FB_OFFSET:
-       ret = s->dc_panel_fb_offset;
-       break;
+        ret = s->dc_panel_fb_offset;
+        break;
     case SM501_DC_PANEL_FB_WIDTH:
-       ret = s->dc_panel_fb_width;
-       break;
+        ret = s->dc_panel_fb_width;
+        break;
     case SM501_DC_PANEL_FB_HEIGHT:
-       ret = s->dc_panel_fb_height;
-       break;
+        ret = s->dc_panel_fb_height;
+        break;
     case SM501_DC_PANEL_TL_LOC:
-       ret = s->dc_panel_tl_location;
-       break;
+        ret = s->dc_panel_tl_location;
+        break;
     case SM501_DC_PANEL_BR_LOC:
-       ret = s->dc_panel_br_location;
-       break;
+        ret = s->dc_panel_br_location;
+        break;
 
     case SM501_DC_PANEL_H_TOT:
-       ret = s->dc_panel_h_total;
-       break;
+        ret = s->dc_panel_h_total;
+        break;
     case SM501_DC_PANEL_H_SYNC:
-       ret = s->dc_panel_h_sync;
-       break;
+        ret = s->dc_panel_h_sync;
+        break;
     case SM501_DC_PANEL_V_TOT:
-       ret = s->dc_panel_v_total;
-       break;
+        ret = s->dc_panel_v_total;
+        break;
     case SM501_DC_PANEL_V_SYNC:
-       ret = s->dc_panel_v_sync;
-       break;
+        ret = s->dc_panel_v_sync;
+        break;
 
     case SM501_DC_CRT_CONTROL:
-       ret = s->dc_crt_control;
-       break;
+        ret = s->dc_crt_control;
+        break;
     case SM501_DC_CRT_FB_ADDR:
-       ret = s->dc_crt_fb_addr;
-       break;
+        ret = s->dc_crt_fb_addr;
+        break;
     case SM501_DC_CRT_FB_OFFSET:
-       ret = s->dc_crt_fb_offset;
-       break;
+        ret = s->dc_crt_fb_offset;
+        break;
     case SM501_DC_CRT_H_TOT:
-       ret = s->dc_crt_h_total;
-       break;
+        ret = s->dc_crt_h_total;
+        break;
     case SM501_DC_CRT_H_SYNC:
-       ret = s->dc_crt_h_sync;
-       break;
+        ret = s->dc_crt_h_sync;
+        break;
     case SM501_DC_CRT_V_TOT:
-       ret = s->dc_crt_v_total;
-       break;
+        ret = s->dc_crt_v_total;
+        break;
     case SM501_DC_CRT_V_SYNC:
-       ret = s->dc_crt_v_sync;
-       break;
+        ret = s->dc_crt_v_sync;
+        break;
 
     case SM501_DC_CRT_HWC_ADDR:
-       ret = s->dc_crt_hwc_addr;
-       break;
+        ret = s->dc_crt_hwc_addr;
+        break;
     case SM501_DC_CRT_HWC_LOC:
-       ret = s->dc_crt_hwc_location;
-       break;
+        ret = s->dc_crt_hwc_location;
+        break;
     case SM501_DC_CRT_HWC_COLOR_1_2:
-       ret = s->dc_crt_hwc_color_1_2;
-       break;
+        ret = s->dc_crt_hwc_color_1_2;
+        break;
     case SM501_DC_CRT_HWC_COLOR_3:
-       ret = s->dc_crt_hwc_color_3;
-       break;
+        ret = s->dc_crt_hwc_color_3;
+        break;
 
-    case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400*3 - 4:
+    case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400 * 3 - 4:
         ret = sm501_palette_read(opaque, addr - SM501_DC_PANEL_PALETTE);
         break;
 
     default:
-       printf("sm501 disp ctrl : not implemented register read."
-              " addr=%x\n", (int)addr);
+        printf("sm501 disp ctrl : not implemented register read."
+               " addr=%x\n", (int)addr);
         abort();
     }
 
@@ -965,104 +965,104 @@ static uint64_t sm501_disp_ctrl_read(void *opaque, 
hwaddr addr,
 static void sm501_disp_ctrl_write(void *opaque, hwaddr addr,
                                   uint64_t value, unsigned size)
 {
-    SM501State * s = (SM501State *)opaque;
+    SM501State *s = (SM501State *)opaque;
     SM501_DPRINTF("sm501 disp ctrl regs : write addr=%x, val=%x\n",
-                 (unsigned)addr, (unsigned)value);
+                  (unsigned)addr, (unsigned)value);
 
-    switch(addr) {
+    switch (addr) {
     case SM501_DC_PANEL_CONTROL:
-       s->dc_panel_control = value & 0x0FFF73FF;
-       break;
+        s->dc_panel_control = value & 0x0FFF73FF;
+        break;
     case SM501_DC_PANEL_PANNING_CONTROL:
-       s->dc_panel_panning_control = value & 0xFF3FFF3F;
-       break;
+        s->dc_panel_panning_control = value & 0xFF3FFF3F;
+        break;
     case SM501_DC_PANEL_FB_ADDR:
-       s->dc_panel_fb_addr = value & 0x8FFFFFF0;
-       break;
+        s->dc_panel_fb_addr = value & 0x8FFFFFF0;
+        break;
     case SM501_DC_PANEL_FB_OFFSET:
-       s->dc_panel_fb_offset = value & 0x3FF03FF0;
-       break;
+        s->dc_panel_fb_offset = value & 0x3FF03FF0;
+        break;
     case SM501_DC_PANEL_FB_WIDTH:
-       s->dc_panel_fb_width = value & 0x0FFF0FFF;
-       break;
+        s->dc_panel_fb_width = value & 0x0FFF0FFF;
+        break;
     case SM501_DC_PANEL_FB_HEIGHT:
-       s->dc_panel_fb_height = value & 0x0FFF0FFF;
-       break;
+        s->dc_panel_fb_height = value & 0x0FFF0FFF;
+        break;
     case SM501_DC_PANEL_TL_LOC:
-       s->dc_panel_tl_location = value & 0x07FF07FF;
-       break;
+        s->dc_panel_tl_location = value & 0x07FF07FF;
+        break;
     case SM501_DC_PANEL_BR_LOC:
-       s->dc_panel_br_location = value & 0x07FF07FF;
-       break;
+        s->dc_panel_br_location = value & 0x07FF07FF;
+        break;
 
     case SM501_DC_PANEL_H_TOT:
-       s->dc_panel_h_total = value & 0x0FFF0FFF;
-       break;
+        s->dc_panel_h_total = value & 0x0FFF0FFF;
+        break;
     case SM501_DC_PANEL_H_SYNC:
-       s->dc_panel_h_sync = value & 0x00FF0FFF;
-       break;
+        s->dc_panel_h_sync = value & 0x00FF0FFF;
+        break;
     case SM501_DC_PANEL_V_TOT:
-       s->dc_panel_v_total = value & 0x0FFF0FFF;
-       break;
+        s->dc_panel_v_total = value & 0x0FFF0FFF;
+        break;
     case SM501_DC_PANEL_V_SYNC:
-       s->dc_panel_v_sync = value & 0x003F0FFF;
-       break;
+        s->dc_panel_v_sync = value & 0x003F0FFF;
+        break;
 
     case SM501_DC_PANEL_HWC_ADDR:
-       s->dc_panel_hwc_addr = value & 0x8FFFFFF0;
-       break;
+        s->dc_panel_hwc_addr = value & 0x8FFFFFF0;
+        break;
     case SM501_DC_PANEL_HWC_LOC:
-       s->dc_panel_hwc_location = value & 0x0FFF0FFF;
-       break;
+        s->dc_panel_hwc_location = value & 0x0FFF0FFF;
+        break;
     case SM501_DC_PANEL_HWC_COLOR_1_2:
-       s->dc_panel_hwc_color_1_2 = value;
-       break;
+        s->dc_panel_hwc_color_1_2 = value;
+        break;
     case SM501_DC_PANEL_HWC_COLOR_3:
-       s->dc_panel_hwc_color_3 = value & 0x0000FFFF;
-       break;
+        s->dc_panel_hwc_color_3 = value & 0x0000FFFF;
+        break;
 
     case SM501_DC_CRT_CONTROL:
-       s->dc_crt_control = value & 0x0003FFFF;
-       break;
+        s->dc_crt_control = value & 0x0003FFFF;
+        break;
     case SM501_DC_CRT_FB_ADDR:
-       s->dc_crt_fb_addr = value & 0x8FFFFFF0;
-       break;
+        s->dc_crt_fb_addr = value & 0x8FFFFFF0;
+        break;
     case SM501_DC_CRT_FB_OFFSET:
-       s->dc_crt_fb_offset = value & 0x3FF03FF0;
-       break;
+        s->dc_crt_fb_offset = value & 0x3FF03FF0;
+        break;
     case SM501_DC_CRT_H_TOT:
-       s->dc_crt_h_total = value & 0x0FFF0FFF;
-       break;
+        s->dc_crt_h_total = value & 0x0FFF0FFF;
+        break;
     case SM501_DC_CRT_H_SYNC:
-       s->dc_crt_h_sync = value & 0x00FF0FFF;
-       break;
+        s->dc_crt_h_sync = value & 0x00FF0FFF;
+        break;
     case SM501_DC_CRT_V_TOT:
-       s->dc_crt_v_total = value & 0x0FFF0FFF;
-       break;
+        s->dc_crt_v_total = value & 0x0FFF0FFF;
+        break;
     case SM501_DC_CRT_V_SYNC:
-       s->dc_crt_v_sync = value & 0x003F0FFF;
-       break;
+        s->dc_crt_v_sync = value & 0x003F0FFF;
+        break;
 
     case SM501_DC_CRT_HWC_ADDR:
-       s->dc_crt_hwc_addr = value & 0x8FFFFFF0;
-       break;
+        s->dc_crt_hwc_addr = value & 0x8FFFFFF0;
+        break;
     case SM501_DC_CRT_HWC_LOC:
-       s->dc_crt_hwc_location = value & 0x0FFF0FFF;
-       break;
+        s->dc_crt_hwc_location = value & 0x0FFF0FFF;
+        break;
     case SM501_DC_CRT_HWC_COLOR_1_2:
-       s->dc_crt_hwc_color_1_2 = value;
-       break;
+        s->dc_crt_hwc_color_1_2 = value;
+        break;
     case SM501_DC_CRT_HWC_COLOR_3:
-       s->dc_crt_hwc_color_3 = value & 0x0000FFFF;
-       break;
+        s->dc_crt_hwc_color_3 = value & 0x0000FFFF;
+        break;
 
-    case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400*3 - 4:
+    case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400 * 3 - 4:
         sm501_palette_write(opaque, addr - SM501_DC_PANEL_PALETTE, value);
         break;
 
     default:
-       printf("sm501 disp ctrl : not implemented register write."
-              " addr=%x, val=%x\n", (int)addr, (unsigned)value);
+        printf("sm501 disp ctrl : not implemented register write."
+               " addr=%x, val=%x\n", (int)addr, (unsigned)value);
         abort();
     }
 }
@@ -1080,11 +1080,11 @@ static const MemoryRegionOps sm501_disp_ctrl_ops = {
 static uint64_t sm501_2d_engine_read(void *opaque, hwaddr addr,
                                      unsigned size)
 {
-    SM501State * s = (SM501State *)opaque;
+    SM501State *s = (SM501State *)opaque;
     uint32_t ret = 0;
     SM501_DPRINTF("sm501 2d engine regs : read addr=%x\n", (int)addr);
 
-    switch(addr) {
+    switch (addr) {
     case SM501_2D_SOURCE_BASE:
         ret = s->twoD_source_base;
         break;
@@ -1100,11 +1100,11 @@ static uint64_t sm501_2d_engine_read(void *opaque, 
hwaddr addr,
 static void sm501_2d_engine_write(void *opaque, hwaddr addr,
                                   uint64_t value, unsigned size)
 {
-    SM501State * s = (SM501State *)opaque;
+    SM501State *s = (SM501State *)opaque;
     SM501_DPRINTF("sm501 2d engine regs : write addr=%x, val=%x\n",
                   (unsigned)addr, (unsigned)value);
 
-    switch(addr) {
+    switch (addr) {
     case SM501_2D_SOURCE:
         s->twoD_source = value;
         break;
@@ -1168,9 +1168,9 @@ static const MemoryRegionOps sm501_2d_engine_ops = {
 /* draw line functions for all console modes */
 
 typedef void draw_line_func(uint8_t *d, const uint8_t *s,
-                           int width, const uint32_t *pal);
+                            int width, const uint32_t *pal);
 
-typedef void draw_hwc_line_func(SM501State * s, int crt, uint8_t * palette,
+typedef void draw_hwc_line_func(SM501State *s, int crt, uint8_t *palette,
                                 int c_y, uint8_t *d, int width);
 
 #define DEPTH 8
@@ -1197,7 +1197,7 @@ typedef void draw_hwc_line_func(SM501State * s, int crt, 
uint8_t * palette,
 #define DEPTH 32
 #include "sm501_template.h"
 
-static draw_line_func * draw_line8_funcs[] = {
+static draw_line_func *draw_line8_funcs[] = {
     draw_line8_8,
     draw_line8_15,
     draw_line8_16,
@@ -1207,7 +1207,7 @@ static draw_line_func * draw_line8_funcs[] = {
     draw_line8_16bgr,
 };
 
-static draw_line_func * draw_line16_funcs[] = {
+static draw_line_func *draw_line16_funcs[] = {
     draw_line16_8,
     draw_line16_15,
     draw_line16_16,
@@ -1217,7 +1217,7 @@ static draw_line_func * draw_line16_funcs[] = {
     draw_line16_16bgr,
 };
 
-static draw_line_func * draw_line32_funcs[] = {
+static draw_line_func *draw_line32_funcs[] = {
     draw_line32_8,
     draw_line32_15,
     draw_line32_16,
@@ -1227,7 +1227,7 @@ static draw_line_func * draw_line32_funcs[] = {
     draw_line32_16bgr,
 };
 
-static draw_hwc_line_func * draw_hwc_line_funcs[] = {
+static draw_hwc_line_func *draw_hwc_line_funcs[] = {
     draw_hwc_line_8,
     draw_hwc_line_15,
     draw_hwc_line_16,
@@ -1242,7 +1242,7 @@ static inline int get_depth_index(DisplaySurface *surface)
     switch (surface_bits_per_pixel(surface)) {
     default:
     case 8:
-       return 0;
+        return 0;
     case 15:
         return 1;
     case 16:
@@ -1256,22 +1256,22 @@ static inline int get_depth_index(DisplaySurface 
*surface)
     }
 }
 
-static void sm501_draw_crt(SM501State * s)
+static void sm501_draw_crt(SM501State *s)
 {
     DisplaySurface *surface = qemu_console_surface(s->con);
     int y;
     int width = (s->dc_crt_h_total & 0x00000FFF) + 1;
     int height = (s->dc_crt_v_total & 0x00000FFF) + 1;
 
-    uint8_t  * src = s->local_mem;
+    uint8_t  *src = s->local_mem;
     int src_bpp = 0;
     int dst_bpp = surface_bytes_per_pixel(surface);
-    uint32_t * palette = (uint32_t *)&s->dc_palette[SM501_DC_CRT_PALETTE
-                                                   - SM501_DC_PANEL_PALETTE];
+    uint32_t *palette = (uint32_t *)&s->dc_palette[SM501_DC_CRT_PALETTE -
+                                                   SM501_DC_PANEL_PALETTE];
     uint8_t hwc_palette[3 * 3];
     int ds_depth_index = get_depth_index(surface);
-    draw_line_func * draw_line = NULL;
-    draw_hwc_line_func * draw_hwc_line = NULL;
+    draw_line_func *draw_line = NULL;
+    draw_hwc_line_func *draw_hwc_line = NULL;
     int full_update = 0;
     int y_start = -1;
     ram_addr_t page_min = ~0l;
@@ -1281,22 +1281,22 @@ static void sm501_draw_crt(SM501State * s)
     /* choose draw_line function */
     switch (s->dc_crt_control & 3) {
     case SM501_DC_CRT_CONTROL_8BPP:
-       src_bpp = 1;
-       draw_line = draw_line8_funcs[ds_depth_index];
-       break;
+        src_bpp = 1;
+        draw_line = draw_line8_funcs[ds_depth_index];
+        break;
     case SM501_DC_CRT_CONTROL_16BPP:
-       src_bpp = 2;
-       draw_line = draw_line16_funcs[ds_depth_index];
-       break;
+        src_bpp = 2;
+        draw_line = draw_line16_funcs[ds_depth_index];
+        break;
     case SM501_DC_CRT_CONTROL_32BPP:
-       src_bpp = 4;
-       draw_line = draw_line32_funcs[ds_depth_index];
-       break;
+        src_bpp = 4;
+        draw_line = draw_line32_funcs[ds_depth_index];
+        break;
     default:
-       printf("sm501 draw crt : invalid DC_CRT_CONTROL=%x.\n",
-              s->dc_crt_control);
+        printf("sm501 draw crt : invalid DC_CRT_CONTROL=%x.\n",
+               s->dc_crt_control);
         abort();
-       break;
+        break;
     }
 
     /* set up to draw hardware cursor */
@@ -1319,61 +1319,65 @@ static void sm501_draw_crt(SM501State * s)
     if (s->last_width != width || s->last_height != height) {
         qemu_console_resize(s->con, width, height);
         surface = qemu_console_surface(s->con);
-       s->last_width = width;
-       s->last_height = height;
-       full_update = 1;
+        s->last_width = width;
+        s->last_height = height;
+        full_update = 1;
     }
 
     /* draw each line according to conditions */
     memory_region_sync_dirty_bitmap(&s->local_mem_region);
     for (y = 0; y < height; y++) {
-       int update_hwc = draw_hwc_line ? within_hwc_y_range(s, y, 1) : 0;
-       int update = full_update || update_hwc;
+        int update_hwc = draw_hwc_line ? within_hwc_y_range(s, y, 1) : 0;
+        int update = full_update || update_hwc;
         ram_addr_t page0 = offset;
         ram_addr_t page1 = offset + width * src_bpp - 1;
 
-       /* check dirty flags for each line */
+        /* check dirty flags for each line */
         update = memory_region_get_dirty(&s->local_mem_region, page0,
                                          page1 - page0, DIRTY_MEMORY_VGA);
 
-       /* draw line and change status */
-       if (update) {
+        /* draw line and change status */
+        if (update) {
             uint8_t *d = surface_data(surface);
             d +=  y * width * dst_bpp;
 
             /* draw graphics layer */
             draw_line(d, src, width, palette);
 
-            /* draw haredware cursor */
+            /* draw hardware cursor */
             if (update_hwc) {
                 draw_hwc_line(s, 1, hwc_palette, y - get_hwc_y(s, 1), d, 
width);
             }
 
-           if (y_start < 0)
-               y_start = y;
-           if (page0 < page_min)
-               page_min = page0;
-           if (page1 > page_max)
-               page_max = page1;
-       } else {
-           if (y_start >= 0) {
-               /* flush to display */
+            if (y_start < 0) {
+                y_start = y;
+            }
+            if (page0 < page_min) {
+                page_min = page0;
+            }
+            if (page1 > page_max) {
+                page_max = page1;
+            }
+        } else {
+            if (y_start >= 0) {
+                /* flush to display */
                 dpy_gfx_update(s->con, 0, y_start, width, y - y_start);
-               y_start = -1;
-           }
-       }
+                y_start = -1;
+            }
+        }
 
-       src += width * src_bpp;
-       offset += width * src_bpp;
+        src += width * src_bpp;
+        offset += width * src_bpp;
     }
 
     /* complete flush to display */
-    if (y_start >= 0)
+    if (y_start >= 0) {
         dpy_gfx_update(s->con, 0, y_start, width, y - y_start);
+    }
 
     /* clear dirty flags */
     if (page_min != ~0l) {
-       memory_region_reset_dirty(&s->local_mem_region,
+        memory_region_reset_dirty(&s->local_mem_region,
                                   page_min, page_max + TARGET_PAGE_SIZE,
                                   DIRTY_MEMORY_VGA);
     }
@@ -1381,10 +1385,11 @@ static void sm501_draw_crt(SM501State * s)
 
 static void sm501_update_display(void *opaque)
 {
-    SM501State * s = (SM501State *)opaque;
+    SM501State *s = (SM501State *)opaque;
 
-    if (s->dc_crt_control & SM501_DC_CRT_CONTROL_ENABLE)
-       sm501_draw_crt(s);
+    if (s->dc_crt_control & SM501_DC_CRT_CONTROL_ENABLE) {
+        sm501_draw_crt(s);
+    }
 }
 
 static const GraphicHwOps sm501_ops = {
@@ -1394,19 +1399,18 @@ static const GraphicHwOps sm501_ops = {
 void sm501_init(MemoryRegion *address_space_mem, uint32_t base,
                 uint32_t local_mem_bytes, qemu_irq irq, Chardev *chr)
 {
-    SM501State * s;
+    SM501State *s;
     DeviceState *dev;
     MemoryRegion *sm501_system_config = g_new(MemoryRegion, 1);
     MemoryRegion *sm501_disp_ctrl = g_new(MemoryRegion, 1);
     MemoryRegion *sm501_2d_engine = g_new(MemoryRegion, 1);
 
     /* allocate management data region */
-    s = (SM501State *)g_malloc0(sizeof(SM501State));
+    s = g_new0(SM501State, 1);
     s->base = base;
-    s->local_mem_size_index
-       = get_local_mem_size_index(local_mem_bytes);
+    s->local_mem_size_index = get_local_mem_size_index(local_mem_bytes);
     SM501_DPRINTF("local mem size=%x. index=%d\n", get_local_mem_size(s),
-                 s->local_mem_size_index);
+                  s->local_mem_size_index);
     s->system_control = 0x00100000;
     s->misc_control = 0x00001000; /* assumes SH, active=low */
     s->dc_panel_control = 0x00010000;
@@ -1421,8 +1425,8 @@ void sm501_init(MemoryRegion *address_space_mem, uint32_t 
base,
     memory_region_add_subregion(address_space_mem, base, &s->local_mem_region);
 
     /* map mmio */
-    memory_region_init_io(sm501_system_config, NULL, &sm501_system_config_ops, 
s,
-                          "sm501-system-config", 0x6c);
+    memory_region_init_io(sm501_system_config, NULL, &sm501_system_config_ops,
+                          s, "sm501-system-config", 0x6c);
     memory_region_add_subregion(address_space_mem, base + MMIO_BASE_OFFSET,
                                 sm501_system_config);
     memory_region_init_io(sm501_disp_ctrl, NULL, &sm501_disp_ctrl_ops, s,
diff --git a/hw/display/sm501_template.h b/hw/display/sm501_template.h
index f33e499..aeeac5d 100644
--- a/hw/display/sm501_template.h
+++ b/hw/display/sm501_template.h
@@ -47,40 +47,40 @@ static void glue(draw_line8_, PIXEL_NAME)(
 {
     uint8_t v, r, g, b;
     do {
-       v = ldub_p(s);
-       r = (pal[v] >> 16) & 0xff;
-       g = (pal[v] >>  8) & 0xff;
-       b = (pal[v] >>  0) & 0xff;
-       ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
-       s ++;
-       d += BPP;
-    } while (-- width != 0);
+        v = ldub_p(s);
+        r = (pal[v] >> 16) & 0xff;
+        g = (pal[v] >>  8) & 0xff;
+        b = (pal[v] >>  0) & 0xff;
+        *(PIXEL_TYPE *)d = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+        s++;
+        d += BPP;
+    } while (--width != 0);
 }
 
 static void glue(draw_line16_, PIXEL_NAME)(
-                uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
+                 uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
 {
     uint16_t rgb565;
     uint8_t r, g, b;
 
     do {
-       rgb565 = lduw_p(s);
-       r = ((rgb565 >> 11) & 0x1f) << 3;
-       g = ((rgb565 >>  5) & 0x3f) << 2;
-       b = ((rgb565 >>  0) & 0x1f) << 3;
-       ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
-       s += 2;
-       d += BPP;
-    } while (-- width != 0);
+        rgb565 = lduw_p(s);
+        r = ((rgb565 >> 11) & 0x1f) << 3;
+        g = ((rgb565 >>  5) & 0x3f) << 2;
+        b = ((rgb565 >>  0) & 0x1f) << 3;
+        *(PIXEL_TYPE *)d = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+        s += 2;
+        d += BPP;
+    } while (--width != 0);
 }
 
 static void glue(draw_line32_, PIXEL_NAME)(
-                uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
+                 uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
 {
     uint8_t r, g, b;
 
     do {
-       ldub_p(s);
+        ldub_p(s);
 #if defined(TARGET_WORDS_BIGENDIAN)
         r = s[1];
         g = s[2];
@@ -90,17 +90,17 @@ static void glue(draw_line32_, PIXEL_NAME)(
         g = s[1];
         r = s[2];
 #endif
-       ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
-       s += 4;
-       d += BPP;
-    } while (-- width != 0);
+        *(PIXEL_TYPE *)d = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+        s += 4;
+        d += BPP;
+    } while (--width != 0);
 }
 
 /**
  * Draw hardware cursor image on the given line.
  */
-static void glue(draw_hwc_line_, PIXEL_NAME)(SM501State * s, int crt,
-                         uint8_t * palette, int c_y, uint8_t *d, int width)
+static void glue(draw_hwc_line_, PIXEL_NAME)(SM501State *s, int crt,
+                 uint8_t *palette, int c_y, uint8_t *d, int width)
 {
     int x, i;
     uint8_t bitset = 0;
@@ -132,7 +132,7 @@ static void glue(draw_hwc_line_, PIXEL_NAME)(SM501State * 
s, int crt,
             uint8_t r = palette[v * 3 + 0];
             uint8_t g = palette[v * 3 + 1];
             uint8_t b = palette[v * 3 + 2];
-            ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+            *(PIXEL_TYPE *)d = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
         }
         d += BPP;
     }
-- 
2.7.4




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