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path: root/drivers/staging/most/dim2/hal.c
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Diffstat (limited to 'drivers/staging/most/dim2/hal.c')
-rw-r--r--drivers/staging/most/dim2/hal.c99
1 files changed, 46 insertions, 53 deletions
diff --git a/drivers/staging/most/dim2/hal.c b/drivers/staging/most/dim2/hal.c
index 699e02f83bd4..39e17a7d2f24 100644
--- a/drivers/staging/most/dim2/hal.c
+++ b/drivers/staging/most/dim2/hal.c
@@ -13,6 +13,7 @@
#include "reg.h"
#include <linux/stddef.h>
#include <linux/kernel.h>
+#include <linux/io.h>
/*
* Size factor for isochronous DBR buffer.
@@ -143,13 +144,13 @@ static void free_dbr(int offs, int size)
static void dim2_transfer_madr(u32 val)
{
- dimcb_io_write(&g.dim2->MADR, val);
+ writel(val, &g.dim2->MADR);
/* wait for transfer completion */
- while ((dimcb_io_read(&g.dim2->MCTL) & 1) != 1)
+ while ((readl(&g.dim2->MCTL) & 1) != 1)
continue;
- dimcb_io_write(&g.dim2->MCTL, 0); /* clear transfer complete */
+ writel(0, &g.dim2->MCTL); /* clear transfer complete */
}
static void dim2_clear_dbr(u16 addr, u16 size)
@@ -159,8 +160,8 @@ static void dim2_clear_dbr(u16 addr, u16 size)
u16 const end_addr = addr + size;
u32 const cmd = bit_mask(MADR_WNR_BIT) | bit_mask(MADR_TB_BIT);
- dimcb_io_write(&g.dim2->MCTL, 0); /* clear transfer complete */
- dimcb_io_write(&g.dim2->MDAT0, 0);
+ writel(0, &g.dim2->MCTL); /* clear transfer complete */
+ writel(0, &g.dim2->MDAT0);
for (; addr < end_addr; addr++)
dim2_transfer_madr(cmd | addr);
@@ -170,28 +171,28 @@ static u32 dim2_read_ctr(u32 ctr_addr, u16 mdat_idx)
{
dim2_transfer_madr(ctr_addr);
- return dimcb_io_read((&g.dim2->MDAT0) + mdat_idx);
+ return readl((&g.dim2->MDAT0) + mdat_idx);
}
static void dim2_write_ctr_mask(u32 ctr_addr, const u32 *mask, const u32 *value)
{
enum { MADR_WNR_BIT = 31 };
- dimcb_io_write(&g.dim2->MCTL, 0); /* clear transfer complete */
+ writel(0, &g.dim2->MCTL); /* clear transfer complete */
if (mask[0] != 0)
- dimcb_io_write(&g.dim2->MDAT0, value[0]);
+ writel(value[0], &g.dim2->MDAT0);
if (mask[1] != 0)
- dimcb_io_write(&g.dim2->MDAT1, value[1]);
+ writel(value[1], &g.dim2->MDAT1);
if (mask[2] != 0)
- dimcb_io_write(&g.dim2->MDAT2, value[2]);
+ writel(value[2], &g.dim2->MDAT2);
if (mask[3] != 0)
- dimcb_io_write(&g.dim2->MDAT3, value[3]);
+ writel(value[3], &g.dim2->MDAT3);
- dimcb_io_write(&g.dim2->MDWE0, mask[0]);
- dimcb_io_write(&g.dim2->MDWE1, mask[1]);
- dimcb_io_write(&g.dim2->MDWE2, mask[2]);
- dimcb_io_write(&g.dim2->MDWE3, mask[3]);
+ writel(mask[0], &g.dim2->MDWE0);
+ writel(mask[1], &g.dim2->MDWE1);
+ writel(mask[2], &g.dim2->MDWE2);
+ writel(mask[3], &g.dim2->MDWE3);
dim2_transfer_madr(bit_mask(MADR_WNR_BIT) | ctr_addr);
}
@@ -356,15 +357,13 @@ static void dim2_configure_channel(
dim2_configure_cat(AHB_CAT, ch_addr, type, is_tx ? 0 : 1);
/* unmask interrupt for used channel, enable mlb_sys_int[0] interrupt */
- dimcb_io_write(&g.dim2->ACMR0,
- dimcb_io_read(&g.dim2->ACMR0) | bit_mask(ch_addr));
+ writel(readl(&g.dim2->ACMR0) | bit_mask(ch_addr), &g.dim2->ACMR0);
}
static void dim2_clear_channel(u8 ch_addr)
{
/* mask interrupt for used channel, disable mlb_sys_int[0] interrupt */
- dimcb_io_write(&g.dim2->ACMR0,
- dimcb_io_read(&g.dim2->ACMR0) & ~bit_mask(ch_addr));
+ writel(readl(&g.dim2->ACMR0) & ~bit_mask(ch_addr), &g.dim2->ACMR0);
dim2_clear_cat(AHB_CAT, ch_addr);
dim2_clear_adt(ch_addr);
@@ -373,7 +372,7 @@ static void dim2_clear_channel(u8 ch_addr)
dim2_clear_cdt(ch_addr);
/* clear channel status bit */
- dimcb_io_write(&g.dim2->ACSR0, bit_mask(ch_addr));
+ writel(bit_mask(ch_addr), &g.dim2->ACSR0);
}
/* -------------------------------------------------------------------------- */
@@ -471,7 +470,7 @@ static inline bool check_bytes_per_frame(u32 bytes_per_frame)
return true;
}
-static inline u16 norm_ctrl_async_buffer_size(u16 buf_size)
+u16 dim_norm_ctrl_async_buffer_size(u16 buf_size)
{
u16 const max_size = (u16)ADT1_CTRL_ASYNC_BD_MASK + 1u;
@@ -517,20 +516,20 @@ static inline u16 norm_sync_buffer_size(u16 buf_size, u16 bytes_per_frame)
static void dim2_cleanup(void)
{
/* disable MediaLB */
- dimcb_io_write(&g.dim2->MLBC0, false << MLBC0_MLBEN_BIT);
+ writel(false << MLBC0_MLBEN_BIT, &g.dim2->MLBC0);
dim2_clear_ctram();
/* disable mlb_int interrupt */
- dimcb_io_write(&g.dim2->MIEN, 0);
+ writel(0, &g.dim2->MIEN);
/* clear status for all dma channels */
- dimcb_io_write(&g.dim2->ACSR0, 0xFFFFFFFF);
- dimcb_io_write(&g.dim2->ACSR1, 0xFFFFFFFF);
+ writel(0xFFFFFFFF, &g.dim2->ACSR0);
+ writel(0xFFFFFFFF, &g.dim2->ACSR1);
/* mask interrupts for all channels */
- dimcb_io_write(&g.dim2->ACMR0, 0);
- dimcb_io_write(&g.dim2->ACMR1, 0);
+ writel(0, &g.dim2->ACMR0);
+ writel(0, &g.dim2->ACMR1);
}
static void dim2_initialize(bool enable_6pin, u8 mlb_clock)
@@ -538,23 +537,22 @@ static void dim2_initialize(bool enable_6pin, u8 mlb_clock)
dim2_cleanup();
/* configure and enable MediaLB */
- dimcb_io_write(&g.dim2->MLBC0,
- enable_6pin << MLBC0_MLBPEN_BIT |
- mlb_clock << MLBC0_MLBCLK_SHIFT |
- g.fcnt << MLBC0_FCNT_SHIFT |
- true << MLBC0_MLBEN_BIT);
+ writel(enable_6pin << MLBC0_MLBPEN_BIT |
+ mlb_clock << MLBC0_MLBCLK_SHIFT |
+ g.fcnt << MLBC0_FCNT_SHIFT |
+ true << MLBC0_MLBEN_BIT,
+ &g.dim2->MLBC0);
/* activate all HBI channels */
- dimcb_io_write(&g.dim2->HCMR0, 0xFFFFFFFF);
- dimcb_io_write(&g.dim2->HCMR1, 0xFFFFFFFF);
+ writel(0xFFFFFFFF, &g.dim2->HCMR0);
+ writel(0xFFFFFFFF, &g.dim2->HCMR1);
/* enable HBI */
- dimcb_io_write(&g.dim2->HCTL, bit_mask(HCTL_EN_BIT));
+ writel(bit_mask(HCTL_EN_BIT), &g.dim2->HCTL);
/* configure DMA */
- dimcb_io_write(&g.dim2->ACTL,
- ACTL_DMA_MODE_VAL_DMA_MODE_1 << ACTL_DMA_MODE_BIT |
- true << ACTL_SCE_BIT);
+ writel(ACTL_DMA_MODE_VAL_DMA_MODE_1 << ACTL_DMA_MODE_BIT |
+ true << ACTL_SCE_BIT, &g.dim2->ACTL);
}
static bool dim2_is_mlb_locked(void)
@@ -562,12 +560,12 @@ static bool dim2_is_mlb_locked(void)
u32 const mask0 = bit_mask(MLBC0_MLBLK_BIT);
u32 const mask1 = bit_mask(MLBC1_CLKMERR_BIT) |
bit_mask(MLBC1_LOCKERR_BIT);
- u32 const c1 = dimcb_io_read(&g.dim2->MLBC1);
+ u32 const c1 = readl(&g.dim2->MLBC1);
u32 const nda_mask = (u32)MLBC1_NDA_MASK << MLBC1_NDA_SHIFT;
- dimcb_io_write(&g.dim2->MLBC1, c1 & nda_mask);
- return (dimcb_io_read(&g.dim2->MLBC1) & mask1) == 0 &&
- (dimcb_io_read(&g.dim2->MLBC0) & mask0) != 0;
+ writel(c1 & nda_mask, &g.dim2->MLBC1);
+ return (readl(&g.dim2->MLBC1) & mask1) == 0 &&
+ (readl(&g.dim2->MLBC0) & mask0) != 0;
}
/* -------------------------------------------------------------------------- */
@@ -590,7 +588,7 @@ static inline bool service_channel(u8 ch_addr, u8 idx)
dim2_write_ctr_mask(ADT + ch_addr, mask, adt_w);
/* clear channel status bit */
- dimcb_io_write(&g.dim2->ACSR0, bit_mask(ch_addr));
+ writel(bit_mask(ch_addr), &g.dim2->ACSR0);
return true;
}
@@ -652,7 +650,7 @@ static bool channel_start(struct dim_channel *ch, u32 buf_addr, u16 buf_size)
return dim_on_error(DIM_ERR_BAD_BUFFER_SIZE, "Bad buffer size");
if (ch->packet_length == 0 && ch->bytes_per_frame == 0 &&
- buf_size != norm_ctrl_async_buffer_size(buf_size))
+ buf_size != dim_norm_ctrl_async_buffer_size(buf_size))
return dim_on_error(DIM_ERR_BAD_BUFFER_SIZE,
"Bad control/async buffer size");
@@ -776,13 +774,8 @@ static u8 init_ctrl_async(struct dim_channel *ch, u8 type, u8 is_tx,
void dim_service_mlb_int_irq(void)
{
- dimcb_io_write(&g.dim2->MS0, 0);
- dimcb_io_write(&g.dim2->MS1, 0);
-}
-
-u16 dim_norm_ctrl_async_buffer_size(u16 buf_size)
-{
- return norm_ctrl_async_buffer_size(buf_size);
+ writel(0, &g.dim2->MS0);
+ writel(0, &g.dim2->MS1);
}
/**
@@ -829,7 +822,7 @@ u8 dim_init_async(struct dim_channel *ch, u8 is_tx, u16 ch_address,
if (is_tx && !g.atx_dbr.ch_addr) {
g.atx_dbr.ch_addr = ch->addr;
dbrcnt_init(ch->addr, ch->dbr_size);
- dimcb_io_write(&g.dim2->MIEN, bit_mask(20));
+ writel(bit_mask(20), &g.dim2->MIEN);
}
return ret;
@@ -896,7 +889,7 @@ u8 dim_destroy_channel(struct dim_channel *ch)
return DIM_ERR_DRIVER_NOT_INITIALIZED;
if (ch->addr == g.atx_dbr.ch_addr) {
- dimcb_io_write(&g.dim2->MIEN, 0);
+ writel(0, &g.dim2->MIEN);
g.atx_dbr.ch_addr = 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.