diff options
Diffstat (limited to 'drivers/media/video/tiler/dmm.c')
| -rwxr-xr-x | drivers/media/video/tiler/dmm.c | 429 |
1 files changed, 417 insertions, 12 deletions
diff --git a/drivers/media/video/tiler/dmm.c b/drivers/media/video/tiler/dmm.c index 4061fe413e90..0dbf6db289ae 100755 --- a/drivers/media/video/tiler/dmm.c +++ b/drivers/media/video/tiler/dmm.c @@ -33,6 +33,385 @@ #include "dmm_prv.h" #include "dmm_def.h" +#define __NEWCODE__ +#ifdef __NEWCODE__ +struct pat_area { + int x0:8; + int y0:8; + int x1:8; + int y1:8; +}; + +struct pat_ctrl { + int start:4; + int direction:4; + int lut_id:8; + int sync:12; + int initiator:4; +}; + +struct pat_desc { + struct pat_desc *next; + struct pat_area area; + struct pat_ctrl ctrl; + unsigned long data; +}; + +void *dmm_base; + +static void pat_area_set(struct pat_area *area, char id); +static void pat_data_set(unsigned long data, char id); +static void pat_ctrl_set(struct pat_ctrl *ctrl, char id); +static void pat_desc_set(struct pat_desc *desc, char id); +static void hwinfo_get(); +static void pat_view_set(); +static void pat_view_map_set(); +static void pat_view_map_base_set(); +static void tiler_or_set(); + +static void tiler_or_set() /* (struct tiler_or *or, char id) */ +{ + void __iomem *reg = NULL; + unsigned long reg_val = 0x0; + unsigned long new_val = 0x0; + unsigned long bit_field = 0x0; + unsigned long field_pos = 0x0; + + /* set TILER_OR__0 register */ + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)TILER_OR__0); + reg_val = __raw_readl(reg); + regdump("TILER_OR__0", reg_val); + + bit_field = BITFIELD(31, 0); + field_pos = 0; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)0) << field_pos) & bit_field); + __raw_writel(0x88888888, reg); /* __raw_writel(new_val, reg); */ + + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)TILER_OR__0); + reg_val = __raw_readl(reg); + regdump("TILER_OR__0", reg_val); + + /* set TILER_OR__1 register */ + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)TILER_OR__1); + reg_val = __raw_readl(reg); + regdump("TILER_OR__1", reg_val); + + bit_field = BITFIELD(31, 0); + field_pos = 0; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)0) << field_pos) & bit_field); + __raw_writel(0x88888888, reg); /* __raw_writel(new_val, reg); */ + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)TILER_OR__1); + reg_val = __raw_readl(reg); + regdump("TILER_OR__1", reg_val); +} +static void pat_view_set() /* (struct pat_view *view, char id) */ +{ + void __iomem *reg = NULL; + unsigned long reg_val = 0x0; + unsigned long new_val = 0x0; + unsigned long bit_field = 0x0; + unsigned long field_pos = 0x0; + + /* set PAT_VIEW__0 register */ + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_VIEW__0); + reg_val = __raw_readl(reg); + regdump("PAT_VIEW__0", reg_val); + + bit_field = BITFIELD(31, 0); + field_pos = 0; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)0) << field_pos) & bit_field); + __raw_writel(0x88888888, reg); /* __raw_writel(new_val, reg); */ + + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_VIEW__0); + reg_val = __raw_readl(reg); + regdump("PAT_VIEW__0", reg_val); + + /* set PAT_VIEW__1 register */ + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_VIEW__1); + reg_val = __raw_readl(reg); + regdump("PAT_VIEW__1", reg_val); + + bit_field = BITFIELD(31, 0); + field_pos = 0; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)0) << field_pos) & bit_field); + __raw_writel(0x88888888, reg); /* __raw_writel(new_val, reg); */ + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_VIEW__1); + reg_val = __raw_readl(reg); + regdump("PAT_VIEW__1", reg_val); +} +static void pat_view_map_set() /* (struct pat_view_map *map, char id) */ +{ + void __iomem *reg = NULL; + unsigned long reg_val = 0x0; + unsigned long new_val = 0x0; + unsigned long bit_field = 0x0; + unsigned long field_pos = 0x0; + + /* set PAT_VIEW_MAP__0 register */ + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_VIEW_MAP__0); + reg_val = __raw_readl(reg); + regdump("PAT_VIEW_MAP__0", reg_val); + + bit_field = BITFIELD(31, 0); + field_pos = 0; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)0) << field_pos) & bit_field); + __raw_writel(0x80808080, reg); /* __raw_writel(new_val, reg); */ + + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_VIEW_MAP__0); + reg_val = __raw_readl(reg); + regdump("PAT_VIEW_MAP__0", reg_val); +} + +static void pat_view_map_base_set()/*(struct pat_view_map_base *base, char id)*/ +{ + void __iomem *reg = NULL; + unsigned long reg_val = 0x0; + unsigned long new_val = 0x0; + unsigned long bit_field = 0x0; + unsigned long field_pos = 0x0; + + /* set PAT_VIEW_MAP_BASE register */ + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_VIEW_MAP_BASE); + reg_val = __raw_readl(reg); + regdump("PAT_VIEW_MAP_BASE", reg_val); + + bit_field = BITFIELD(31, 0); + field_pos = 0; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)0) << field_pos) & bit_field); + __raw_writel(0x80000000, reg); /* __raw_writel(new_val, reg); */ + + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_VIEW_MAP_BASE); + reg_val = __raw_readl(reg); + regdump("PAT_VIEW_MAP_BASE", reg_val); +} + +static void hwinfo_get() +{ + void __iomem *reg = NULL; + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)DMM_REVISION); + regdump("DMM_REVISION", __raw_readl(reg)); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)DMM_HWINFO); + regdump("DMM_HWINFO", __raw_readl(reg)); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)LISA_HWINFO); + regdump("LISA_HWINFO", __raw_readl(reg)); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)TILER_HWINFO); + regdump("TILER_HWINFO", __raw_readl(reg)); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_HWINFO); + regdump("PAT_HWINFO", __raw_readl(reg)); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_GEOMETRY); + regdump("PAT_GEOMETRY", __raw_readl(reg)); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_STATUS__0); + regdump("PAT_STATUS__0", __raw_readl(reg)); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_STATUS__1); + regdump("PAT_STATUS__1", __raw_readl(reg)); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_STATUS__2); + regdump("PAT_STATUS__2", __raw_readl(reg)); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_STATUS__3); + regdump("PAT_STATUS__3", __raw_readl(reg)); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PEG_HWINFO); + regdump("PEG_HWINFO", __raw_readl(reg)); +} +static void pat_desc_set(struct pat_desc *desc, char id) +{ + void __iomem *reg = NULL; + unsigned long reg_val = 0x0; + unsigned long new_val = 0x0; + unsigned long bit_field = 0x0; + unsigned long field_pos = 0x0; + + /* write to pat registers */ + /* opt to individually set each reg, so set PAT_DESC register to NULL */ + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_DESCR__0); + reg_val = __raw_readl(reg); + regdump("PAT_DESCR__0", reg_val); + + bit_field = BITFIELD(31, 4); + field_pos = 4; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)desc) << field_pos) & bit_field); + __raw_writel(new_val, reg); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_DESCR__0); + reg_val = __raw_readl(reg); + regdump("PAT_DESCR__0", reg_val); +} +static void pat_ctrl_set(struct pat_ctrl *ctrl, char id) +{ + void __iomem *reg = NULL; + unsigned long reg_val = 0x0; + unsigned long new_val = 0x0; + unsigned long bit_field = 0x0; + unsigned long field_pos = 0x0; + + /* set PAT_CTRL register */ + /* TODO: casting as unsigned long */ + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_CTRL__0); + reg_val = __raw_readl(reg); + regdump("PAT_CTRL__0", reg_val); + + bit_field = BITFIELD(31, 28); + field_pos = 28; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)ctrl->initiator) << field_pos) & bit_field); + __raw_writel(new_val, reg); + + reg_val = __raw_readl(reg); + bit_field = BITFIELD(16, 16); + field_pos = 16; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)ctrl->sync) << field_pos) & bit_field); + __raw_writel(new_val, reg); + + reg_val = __raw_readl(reg); + bit_field = BITFIELD(9, 8); + field_pos = 8; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)ctrl->lut_id) << field_pos) & bit_field); + __raw_writel(new_val, reg); + + reg_val = __raw_readl(reg); + bit_field = BITFIELD(6, 4); + field_pos = 4; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)ctrl->direction) << field_pos) & bit_field); + __raw_writel(new_val, reg); + + reg_val = __raw_readl(reg); + bit_field = BITFIELD(0, 0); + field_pos = 0; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)ctrl->start) << field_pos) & bit_field); + __raw_writel(new_val, reg); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_CTRL__0); + reg_val = __raw_readl(reg); + regdump("PAT_CTRL__0", reg_val); +} +static void pat_data_set(unsigned long data, char id) +{ + void __iomem *reg = NULL; + unsigned long reg_val = 0x0; + unsigned long new_val = 0x0; + unsigned long bit_field = 0x0; + unsigned long field_pos = 0x0; + + /* set PAT_DATA register */ + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_DATA__0); + reg_val = __raw_readl(reg); + regdump("PAT_DATA__0", reg_val); + + bit_field = BITFIELD(31, 4); + field_pos = 4; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)data >> 4) << field_pos) & bit_field); + __raw_writel(new_val, reg); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_DATA__0); + reg_val = __raw_readl(reg); + regdump("PAT_DATA__0", reg_val); +} +static void pat_area_set(struct pat_area *area, char id) +{ + void __iomem *reg = NULL; + unsigned long reg_val = 0x0; + unsigned long new_val = 0x0; + unsigned long bit_field = 0x0; + unsigned long field_pos = 0x0; + + /* set PAT_AREA register */ + /* TODO: changed casting from char to unsigned long */ + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_AREA__0); + reg_val = __raw_readl(reg); + regdump("PAT_AREA__0", reg_val); + + bit_field = BITFIELD(30, 24); + field_pos = 24; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)area->y1) << field_pos) & bit_field); + __raw_writel(new_val, reg); + + reg_val = __raw_readl(reg); + bit_field = BITFIELD(23, 16); + field_pos = 16; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)area->x1) << field_pos) & bit_field); + __raw_writel(new_val, reg); + + reg_val = __raw_readl(reg); + bit_field = BITFIELD(14, 8); + field_pos = 8; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)area->y0) << field_pos) & bit_field); + __raw_writel(new_val, reg); + + reg_val = __raw_readl(reg); + bit_field = BITFIELD(7, 0); + field_pos = 0; + new_val = (reg_val & (~(bit_field))) | + ((((unsigned long)area->x0) << field_pos) & bit_field); + __raw_writel(new_val, reg); + + reg_val = __raw_readl(reg); + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)PAT_AREA__0); + reg_val = __raw_readl(reg); + regdump("PAT_AREA__0", reg_val); +} +#endif /* end: #ifdef __NEWCODE__ */ + #define DMM_MAJOR 0 #define DMM_MINOR 0 #define DMM_IO_BASE_ADDR 0x4e000000 @@ -156,8 +535,26 @@ __init dmm_init(void) return retval; } +#ifndef __NEWCODE__ /* config LISA/PAT */ dmm_config(); +#else + void __iomem *reg = NULL; + dmm_base = ioremap(DMM_BASE, 0x1000); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)LISA_MAP__0); + regdump("LISA_MAP__0", __raw_readl(reg)); + + reg = (void __iomem *)( + (unsigned long)dmm_base | (unsigned long)LISA_MAP__1); + regdump("LISA_MAP__1", __raw_readl(reg)); + + pat_view_set(); + pat_view_map_set(); + pat_view_map_base_set(); + tiler_or_set(); +#endif /* create buffer info list */ createlist(&lsthd); @@ -220,15 +617,15 @@ dmm_ioctl(struct inode *ip, struct file *filp, unsigned int cmd, switch (cmd) { case TILIOC_OPEN: - tilerdump(__LINE__); + debug(__LINE__); retval = 0; break; case TILIOC_CLOSE: - tilerdump(__LINE__); + debug(__LINE__); retval = 0; break; case TILIOC_GBUF: - tilerdump(__LINE__); + debug(__LINE__); bytes = copy_from_user((void *)(&block_info), (const void *)arg, sizeof(struct tiler_block_info)); @@ -259,7 +656,7 @@ dmm_ioctl(struct inode *ip, struct file *filp, unsigned int cmd, retval = 0; break; case TILIOC_FBUF: - tilerdump(__LINE__); + debug(__LINE__); bytes = copy_from_user((void *)(&block_info), (const void *)arg, sizeof(struct tiler_block_info)); @@ -271,7 +668,7 @@ dmm_ioctl(struct inode *ip, struct file *filp, unsigned int cmd, retval = 0; break; case TILIOC_GSSP: - tilerdump(__LINE__); + debug(__LINE__); pgd = pgd_offset(current->mm, arg); if (!(pgd_none(*pgd) || pgd_bad(*pgd))) { @@ -292,11 +689,11 @@ dmm_ioctl(struct inode *ip, struct file *filp, unsigned int cmd, retval = 0x0; /* va not in page table */ break; case TILIOC_MBUF: - tilerdump(__LINE__); + debug(__LINE__); retval = 0; break; case TILIOC_QBUF: - tilerdump(__LINE__); + debug(__LINE__); bytes = copy_from_user((void *)(&buf_info), (const void *)arg, sizeof(struct tiler_buf_info)); @@ -316,7 +713,7 @@ dmm_ioctl(struct inode *ip, struct file *filp, unsigned int cmd, retval = 0; break; case TILIOC_RBUF: - tilerdump(__LINE__); + debug(__LINE__); bufinfo = kmalloc(sizeof(struct tiler_buf_info), GFP_KERNEL); memset(bufinfo, 0x0, sizeof(struct tiler_buf_info)); @@ -339,7 +736,7 @@ dmm_ioctl(struct inode *ip, struct file *filp, unsigned int cmd, retval = 0; break; case TILIOC_URBUF: - tilerdump(__LINE__); + debug(__LINE__); bytes = copy_from_user((void *)(&buf_info), (const void *)arg, sizeof(struct tiler_buf_info)); @@ -354,7 +751,7 @@ dmm_ioctl(struct inode *ip, struct file *filp, unsigned int cmd, retval = 0; break; case TILIOC_QUERY_BLK: - tilerdump(__LINE__); + debug(__LINE__); bytes = copy_from_user((void *)(&block_info), (const void *)arg, sizeof(struct tiler_block_info)); @@ -362,8 +759,16 @@ dmm_ioctl(struct inode *ip, struct file *filp, unsigned int cmd, return retval; error = tiler_find_buf(block_info.ssptr, &block_info); - if (error == 0) - retval = 0; + if (error != 0) + return retval; + + bytes = copy_to_user((void *)arg, + (const void *)(&block_info), + sizeof(struct tiler_block_info)); + if (bytes != 0) + return retval; + + retval = 0; break; } return retval; |