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-rw-r--r--drivers/media/video/cx18/cx18-av-core.c5
-rw-r--r--drivers/media/video/cx18/cx18-av-core.h1
-rw-r--r--drivers/media/video/cx18/cx18-av-firmware.c5
-rw-r--r--drivers/media/video/cx18/cx18-driver.c28
-rw-r--r--drivers/media/video/cx18/cx18-driver.h13
-rw-r--r--drivers/media/video/cx18/cx18-gpio.c2
-rw-r--r--drivers/media/video/cx18/cx18-i2c.c18
-rw-r--r--drivers/media/video/cx18/cx18-io.c128
-rw-r--r--drivers/media/video/cx18/cx18-io.h320
9 files changed, 71 insertions, 449 deletions
diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c
index 518bd701d39..13a4adaa100 100644
--- a/drivers/media/video/cx18/cx18-av-core.c
+++ b/drivers/media/video/cx18/cx18-av-core.c
@@ -80,11 +80,6 @@ u32 cx18_av_read4(struct cx18 *cx, u16 addr)
return cx18_read_reg(cx, 0xc40000 + addr);
}
-u32 cx18_av_read4_noretry(struct cx18 *cx, u16 addr)
-{
- return cx18_read_reg_noretry(cx, 0xc40000 + addr);
-}
-
int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask,
u8 or_value)
{
diff --git a/drivers/media/video/cx18/cx18-av-core.h b/drivers/media/video/cx18/cx18-av-core.h
index a07988c6f5c..455761fce2f 100644
--- a/drivers/media/video/cx18/cx18-av-core.h
+++ b/drivers/media/video/cx18/cx18-av-core.h
@@ -307,7 +307,6 @@ int cx18_av_write4_expect(struct cx18 *cx, u16 addr, u32 value, u32 eval,
u32 mask);
u8 cx18_av_read(struct cx18 *cx, u16 addr);
u32 cx18_av_read4(struct cx18 *cx, u16 addr);
-u32 cx18_av_read4_noretry(struct cx18 *cx, u16 addr);
int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned mask, u8 value);
int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 mask, u32 value);
int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg);
diff --git a/drivers/media/video/cx18/cx18-av-firmware.c b/drivers/media/video/cx18/cx18-av-firmware.c
index 924691dcaeb..cf52e08c287 100644
--- a/drivers/media/video/cx18/cx18-av-firmware.c
+++ b/drivers/media/video/cx18/cx18-av-firmware.c
@@ -68,8 +68,7 @@ int cx18_av_loadfw(struct cx18 *cx)
cx18_av_write4_noretry(cx, CXADEC_DL_CTL,
dl_control);
udelay(10);
- value = cx18_av_read4_noretry(cx,
- CXADEC_DL_CTL);
+ value = cx18_av_read4(cx, CXADEC_DL_CTL);
if (value == dl_control)
break;
/* Check if we can correct the byte by changing
@@ -80,8 +79,6 @@ int cx18_av_loadfw(struct cx18 *cx)
break;
}
}
- cx18_log_write_retries(cx, retries2,
- cx->reg_mem + 0xc40000 + CXADEC_DL_CTL);
if (unrec_err || retries2 >= CX18_MAX_MMIO_WR_RETRIES)
break;
}
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index 752ca908ccb..88ce1e83122 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -78,14 +78,9 @@ static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1 };
-static int mmio_ndelay[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1 };
static unsigned cardtype_c = 1;
static unsigned tuner_c = 1;
static unsigned radio_c = 1;
-static unsigned mmio_ndelay_c = 1;
static char pal[] = "--";
static char secam[] = "--";
static char ntsc[] = "-";
@@ -99,18 +94,20 @@ static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS;
static int cx18_pci_latency = 1;
-int cx18_retry_mmio = 1;
+static int mmio_ndelay;
+static int retry_mmio = 1;
+
int cx18_debug;
module_param_array(tuner, int, &tuner_c, 0644);
module_param_array(radio, bool, &radio_c, 0644);
module_param_array(cardtype, int, &cardtype_c, 0644);
-module_param_array(mmio_ndelay, int, &mmio_ndelay_c, 0644);
module_param_string(pal, pal, sizeof(pal), 0644);
module_param_string(secam, secam, sizeof(secam), 0644);
module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
module_param_named(debug, cx18_debug, int, 0644);
-module_param_named(retry_mmio, cx18_retry_mmio, int, 0644);
+module_param(mmio_ndelay, int, 0644);
+module_param(retry_mmio, int, 0644);
module_param(cx18_pci_latency, int, 0644);
module_param(cx18_first_minor, int, 0644);
@@ -155,13 +152,11 @@ MODULE_PARM_DESC(cx18_pci_latency,
"Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
"\t\t\tDefault: Yes");
MODULE_PARM_DESC(retry_mmio,
- "Check and retry memory mapped IO accesses\n"
- "\t\t\tDefault: 1 [Yes]");
+ "(Deprecated) MMIO writes are now always checked and retried\n"
+ "\t\t\tEffectively: 1 [Yes]");
MODULE_PARM_DESC(mmio_ndelay,
- "Delay (ns) for each CX23418 memory mapped IO access.\n"
- "\t\t\tTry larger values that are close to a multiple of the\n"
- "\t\t\tPCI clock period, 30.3 ns, if your card doesn't work.\n"
- "\t\t\tDefault: " __stringify(CX18_DEFAULT_MMIO_NDELAY));
+ "(Deprecated) MMIO accesses are now never purposely delayed\n"
+ "\t\t\tEffectively: 0 ns");
MODULE_PARM_DESC(enc_mpg_buffers,
"Encoder MPG Buffers (in MB)\n"
"\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));
@@ -378,11 +373,6 @@ static void cx18_process_options(struct cx18 *cx)
cx->options.tuner = tuner[cx->num];
cx->options.radio = radio[cx->num];
- if (mmio_ndelay[cx->num] < 0)
- cx->options.mmio_ndelay = CX18_DEFAULT_MMIO_NDELAY;
- else
- cx->options.mmio_ndelay = mmio_ndelay[cx->num];
-
cx->std = cx18_parse_std(cx);
if (cx->options.cardtype == -1) {
CX18_INFO("Ignore card\n");
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h
index 749bbb60a29..02a82c3b7a3 100644
--- a/drivers/media/video/cx18/cx18-driver.h
+++ b/drivers/media/video/cx18/cx18-driver.h
@@ -64,9 +64,6 @@
# error "This driver requires kernel PCI support."
#endif
-/* Default delay to throttle mmio access to the CX23418 */
-#define CX18_DEFAULT_MMIO_NDELAY 0 /* 0 ns = 0 PCI clock(s) / 33 MHz */
-
#define CX18_MEM_OFFSET 0x00000000
#define CX18_MEM_SIZE 0x04000000
#define CX18_REG_OFFSET 0x02000000
@@ -176,7 +173,6 @@
#define CX18_MAX_PGM_INDEX (400)
-extern int cx18_retry_mmio; /* enable check & retry of mmio accesses */
extern int cx18_debug;
@@ -185,7 +181,6 @@ struct cx18_options {
int cardtype; /* force card type on load */
int tuner; /* set tuner on load */
int radio; /* enable/disable radio */
- unsigned long mmio_ndelay; /* delay in ns after every PCI mmio access */
};
/* per-buffer bit flags */
@@ -371,13 +366,6 @@ struct cx18_i2c_algo_callback_data {
};
#define CX18_MAX_MMIO_WR_RETRIES 10
-#define CX18_MAX_MMIO_RD_RETRIES 2
-
-struct cx18_mmio_stats {
- atomic_t retried_write[CX18_MAX_MMIO_WR_RETRIES+1];
- atomic_t retried_read[CX18_MAX_MMIO_RD_RETRIES+1];
-};
-
#define CX18_MAX_MB_ACK_DELAY 100
struct cx18_mbox_stats {
@@ -475,7 +463,6 @@ struct cx18 {
struct mutex gpio_lock;
/* Statistics */
- struct cx18_mmio_stats mmio_stats;
struct cx18_mbox_stats mbox_stats;
/* v4l2 and User settings */
diff --git a/drivers/media/video/cx18/cx18-gpio.c b/drivers/media/video/cx18/cx18-gpio.c
index 17b7a32fcc3..a1625c8e017 100644
--- a/drivers/media/video/cx18/cx18-gpio.c
+++ b/drivers/media/video/cx18/cx18-gpio.c
@@ -60,8 +60,6 @@ static void gpio_write(struct cx18 *cx)
CX18_REG_GPIO_DIR2, ~dir_hi, dir_hi);
cx18_write_reg_expect(cx, (dir_hi << 16) | val_hi,
CX18_REG_GPIO_OUT2, val_hi, dir_hi);
- if (!cx18_retry_mmio)
- (void) cx18_read_reg(cx, CX18_REG_GPIO_OUT2); /* sync */
}
void cx18_reset_i2c_slaves_gpio(struct cx18 *cx)
diff --git a/drivers/media/video/cx18/cx18-i2c.c b/drivers/media/video/cx18/cx18-i2c.c
index 824efbecb34..09863507254 100644
--- a/drivers/media/video/cx18/cx18-i2c.c
+++ b/drivers/media/video/cx18/cx18-i2c.c
@@ -161,9 +161,9 @@ static void cx18_setscl(void *data, int state)
u32 r = cx18_read_reg(cx, addr);
if (state)
- cx18_write_reg_sync(cx, r | SETSCL_BIT, addr);
+ cx18_write_reg(cx, r | SETSCL_BIT, addr);
else
- cx18_write_reg_sync(cx, r & ~SETSCL_BIT, addr);
+ cx18_write_reg(cx, r & ~SETSCL_BIT, addr);
}
static void cx18_setsda(void *data, int state)
@@ -174,9 +174,9 @@ static void cx18_setsda(void *data, int state)
u32 r = cx18_read_reg(cx, addr);
if (state)
- cx18_write_reg_sync(cx, r | SETSDL_BIT, addr);
+ cx18_write_reg(cx, r | SETSDL_BIT, addr);
else
- cx18_write_reg_sync(cx, r & ~SETSDL_BIT, addr);
+ cx18_write_reg(cx, r & ~SETSDL_BIT, addr);
}
static int cx18_getscl(void *data)
@@ -405,16 +405,10 @@ int init_cx18_i2c(struct cx18 *cx)
}
/* courtesy of Steven Toth <stoth@hauppauge.com> */
cx18_write_reg_expect(cx, 0x00c00000, 0xc7001c, 0x00000000, 0x00c000c0);
- if (!cx18_retry_mmio)
- (void) cx18_read_reg(cx, 0xc7001c); /* sync */
mdelay(10);
cx18_write_reg_expect(cx, 0x00c000c0, 0xc7001c, 0x000000c0, 0x00c000c0);
- if (!cx18_retry_mmio)
- (void) cx18_read_reg(cx, 0xc7001c); /* sync */
mdelay(10);
cx18_write_reg_expect(cx, 0x00c00000, 0xc7001c, 0x00000000, 0x00c000c0);
- if (!cx18_retry_mmio)
- (void) cx18_read_reg(cx, 0xc7001c); /* sync */
mdelay(10);
/* Set to edge-triggered intrs. */
@@ -424,12 +418,12 @@ int init_cx18_i2c(struct cx18 *cx)
~(HW2_I2C1_INT|HW2_I2C2_INT), HW2_I2C1_INT|HW2_I2C2_INT);
/* Hw I2C1 Clock Freq ~100kHz */
- cx18_write_reg_sync(cx, 0x00021c0f & ~4, CX18_REG_I2C_1_WR);
+ cx18_write_reg(cx, 0x00021c0f & ~4, CX18_REG_I2C_1_WR);
cx18_setscl(&cx->i2c_algo_cb_data[0], 1);
cx18_setsda(&cx->i2c_algo_cb_data[0], 1);
/* Hw I2C2 Clock Freq ~100kHz */
- cx18_write_reg_sync(cx, 0x00021c0f & ~4, CX18_REG_I2C_2_WR);
+ cx18_write_reg(cx, 0x00021c0f & ~4, CX18_REG_I2C_2_WR);
cx18_setscl(&cx->i2c_algo_cb_data[1], 1);
cx18_setsda(&cx->i2c_algo_cb_data[1], 1);
diff --git a/drivers/media/video/cx18/cx18-io.c b/drivers/media/video/cx18/cx18-io.c
index c67694f63d0..a2b5e807fac 100644
--- a/drivers/media/video/cx18/cx18-io.c
+++ b/drivers/media/video/cx18/cx18-io.c
@@ -31,12 +31,6 @@ void cx18_log_statistics(struct cx18 *cx)
if (!(cx18_debug & CX18_DBGFLG_INFO))
return;
- for (i = 0; i <= CX18_MAX_MMIO_WR_RETRIES; i++)
- CX18_DEBUG_INFO("retried_write[%d] = %d\n", i,
- atomic_read(&cx->mmio_stats.retried_write[i]));
- for (i = 0; i <= CX18_MAX_MMIO_RD_RETRIES; i++)
- CX18_DEBUG_INFO("retried_read[%d] = %d\n", i,
- atomic_read(&cx->mmio_stats.retried_read[i]));
for (i = 0; i <= CX18_MAX_MB_ACK_DELAY; i++)
if (atomic_read(&cx->mbox_stats.mb_ack_delay[i]))
CX18_DEBUG_INFO("mb_ack_delay[%d] = %d\n", i,
@@ -44,128 +38,6 @@ void cx18_log_statistics(struct cx18 *cx)
return;
}
-void cx18_raw_writel_retry(struct cx18 *cx, u32 val, void __iomem *addr)
-{
- int i;
- for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) {
- cx18_raw_writel_noretry(cx, val, addr);
- if (val == cx18_raw_readl_noretry(cx, addr))
- break;
- }
- cx18_log_write_retries(cx, i, addr);
-}
-
-u32 cx18_raw_readl_retry(struct cx18 *cx, const void __iomem *addr)
-{
- int i;
- u32 val;
- for (i = 0; i < CX18_MAX_MMIO_RD_RETRIES; i++) {
- val = cx18_raw_readl_noretry(cx, addr);
- if (val != 0xffffffff) /* PCI bus read error */
- break;
- }
- cx18_log_read_retries(cx, i, addr);
- return val;
-}
-
-u16 cx18_raw_readw_retry(struct cx18 *cx, const void __iomem *addr)
-{
- int i;
- u16 val;
- for (i = 0; i < CX18_MAX_MMIO_RD_RETRIES; i++) {
- val = cx18_raw_readw_noretry(cx, addr);
- if (val != 0xffff) /* PCI bus read error */
- break;
- }
- cx18_log_read_retries(cx, i, addr);
- return val;
-}
-
-void cx18_writel_retry(struct cx18 *cx, u32 val, void __iomem *addr)
-{
- int i;
- for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) {
- cx18_writel_noretry(cx, val, addr);
- if (val == cx18_readl_noretry(cx, addr))
- break;
- }
- cx18_log_write_retries(cx, i, addr);
-}
-
-void _cx18_writel_expect(struct cx18 *cx, u32 val, void __iomem *addr,
- u32 eval, u32 mask)
-{
- int i;
- eval &= mask;
- for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) {
- cx18_writel_noretry(cx, val, addr);
- if (eval == (cx18_readl_noretry(cx, addr) & mask))
- break;
- }
- cx18_log_write_retries(cx, i, addr);
-}
-
-void cx18_writew_retry(struct cx18 *cx, u16 val, void __iomem *addr)
-{
- int i;
- for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) {
- cx18_writew_noretry(cx, val, addr);
- if (val == cx18_readw_noretry(cx, addr))
- break;
- }
- cx18_log_write_retries(cx, i, addr);
-}
-
-void cx18_writeb_retry(struct cx18 *cx, u8 val, void __iomem *addr)
-{
- int i;
- for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) {
- cx18_writeb_noretry(cx, val, addr);
- if (val == cx18_readb_noretry(cx, addr))
- break;
- }
- cx18_log_write_retries(cx, i, addr);
-}
-
-u32 cx18_readl_retry(struct cx18 *cx, const void __iomem *addr)
-{
- int i;
- u32 val;
- for (i = 0; i < CX18_MAX_MMIO_RD_RETRIES; i++) {
- val = cx18_readl_noretry(cx, addr);
- if (val != 0xffffffff) /* PCI bus read error */
- break;
- }
- cx18_log_read_retries(cx, i, addr);
- return val;
-}
-
-u16 cx18_readw_retry(struct cx18 *cx, const void __iomem *addr)
-{
- int i;
- u16 val;
- for (i = 0; i < CX18_MAX_MMIO_RD_RETRIES; i++) {
- val = cx18_readw_noretry(cx, addr);
- if (val != 0xffff) /* PCI bus read error */
- break;
- }
- cx18_log_read_retries(cx, i, addr);
- return val;
-}
-
-u8 cx18_readb_retry(struct cx18 *cx, const void __iomem *addr)
-{
- int i;
- u8 val;
- for (i = 0; i < CX18_MAX_MMIO_RD_RETRIES; i++) {
- val = cx18_readb_noretry(cx, addr);
- if (val != 0xff) /* PCI bus read error */
- break;
- }
- cx18_log_read_retries(cx, i, addr);
- return val;
-}
-
void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count)
{
u8 __iomem *dst = addr;
diff --git a/drivers/media/video/cx18/cx18-io.h b/drivers/media/video/cx18/cx18-io.h
index fdc2bcc92fc..73321fb4cbf 100644
--- a/drivers/media/video/cx18/cx18-io.h
+++ b/drivers/media/video/cx18/cx18-io.h
@@ -25,230 +25,118 @@
#include "cx18-driver.h"
-static inline void cx18_io_delay(struct cx18 *cx)
-{
- if (cx->options.mmio_ndelay)
- ndelay(cx->options.mmio_ndelay);
-}
-
/*
* Readback and retry of MMIO access for reliability:
* The concept was suggested by Steve Toth <stoth@linuxtv.org>.
* The implmentation is the fault of Andy Walls <awalls@radix.net>.
+ *
+ * *write* functions are implied to retry the mmio unless suffixed with _noretry
+ * *read* functions never retry the mmio (it never helps to do so)
*/
/* Statistics gathering */
-static inline
-void cx18_log_write_retries(struct cx18 *cx, int i, const void __iomem *addr)
-{
- if (i > CX18_MAX_MMIO_WR_RETRIES)
- i = CX18_MAX_MMIO_WR_RETRIES;
- atomic_inc(&cx->mmio_stats.retried_write[i]);
- return;
-}
-
-static inline
-void cx18_log_read_retries(struct cx18 *cx, int i, const void __iomem *addr)
-{
- if (i > CX18_MAX_MMIO_RD_RETRIES)
- i = CX18_MAX_MMIO_RD_RETRIES;
- atomic_inc(&cx->mmio_stats.retried_read[i]);
- return;
-}
void cx18_log_statistics(struct cx18 *cx);
/* Non byteswapping memory mapped IO */
+static inline u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr)
+{
+ return __raw_readl(addr);
+}
+
static inline
void cx18_raw_writel_noretry(struct cx18 *cx, u32 val, void __iomem *addr)
{
__raw_writel(val, addr);
- cx18_io_delay(cx);
}
-void cx18_raw_writel_retry(struct cx18 *cx, u32 val, void __iomem *addr);
-
static inline void cx18_raw_writel(struct cx18 *cx, u32 val, void __iomem *addr)
{
- if (cx18_retry_mmio)
- cx18_raw_writel_retry(cx, val, addr);
- else
+ int i;
+ for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) {
cx18_raw_writel_noretry(cx, val, addr);
+ if (val == cx18_raw_readl(cx, addr))
+ break;
+ }
}
-
-static inline
-u32 cx18_raw_readl_noretry(struct cx18 *cx, const void __iomem *addr)
-{
- u32 ret = __raw_readl(addr);
- cx18_io_delay(cx);
- return ret;
-}
-
-u32 cx18_raw_readl_retry(struct cx18 *cx, const void __iomem *addr);
-
-static inline u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr)
+/* Normal memory mapped IO */
+static inline u32 cx18_readl(struct cx18 *cx, const void __iomem *addr)
{
- if (cx18_retry_mmio)
- return cx18_raw_readl_retry(cx, addr);
-
- return cx18_raw_readl_noretry(cx, addr);
+ return readl(addr);
}
-
static inline
-u16 cx18_raw_readw_noretry(struct cx18 *cx, const void __iomem *addr)
+void cx18_writel_noretry(struct cx18 *cx, u32 val, void __iomem *addr)
{
- u16 ret = __raw_readw(addr);
- cx18_io_delay(cx);
- return ret;
+ writel(val, addr);
}
-u16 cx18_raw_readw_retry(struct cx18 *cx, const void __iomem *addr);
-
-static inline u16 cx18_raw_readw(struct cx18 *cx, const void __iomem *addr)
+static inline void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr)
{
- if (cx18_retry_mmio)
- return cx18_raw_readw_retry(cx, addr);
-
- return cx18_raw_readw_noretry(cx, addr);
+ int i;
+ for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) {
+ cx18_writel_noretry(cx, val, addr);
+ if (val == cx18_readl(cx, addr))
+ break;
+ }
}
-
-/* Normal memory mapped IO */
static inline
-void cx18_writel_noretry(struct cx18 *cx, u32 val, void __iomem *addr)
+void cx18_writel_expect(struct cx18 *cx, u32 val, void __iomem *addr,
+ u32 eval, u32 mask)
{
- writel(val, addr);
- cx18_io_delay(cx);
+ int i;
+ eval &= mask;
+ for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) {
+ cx18_writel_noretry(cx, val, addr);
+ if (eval == (cx18_readl(cx, addr) & mask))
+ break;
+ }
}
-void cx18_writel_retry(struct cx18 *cx, u32 val, void __iomem *addr);
-
-static inline void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr)
+static inline u16 cx18_readw(struct cx18 *cx, const void __iomem *addr)
{
- if (cx18_retry_mmio)
- cx18_writel_retry(cx, val, addr);
- else
- cx18_writel_noretry(cx, val, addr);
+ return readw(addr);
}
-void _cx18_writel_expect(struct cx18 *cx, u32 val, void __iomem *addr,
- u32 eval, u32 mask);
-
static inline
void cx18_writew_noretry(struct cx18 *cx, u16 val, void __iomem *addr)
{
writew(val, addr);
- cx18_io_delay(cx);
}
-void cx18_writew_retry(struct cx18 *cx, u16 val, void __iomem *addr);
-
static inline void cx18_writew(struct cx18 *cx, u16 val, void __iomem *addr)
{
- if (cx18_retry_mmio)
- cx18_writew_retry(cx, val, addr);
- else
+ int i;
+ for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) {
cx18_writew_noretry(cx, val, addr);
+ if (val == cx18_readw(cx, addr))
+ break;
+ }
}
+static inline u8 cx18_readb(struct cx18 *cx, const void __iomem *addr)
+{
+ return readb(addr);
+}
static inline
void cx18_writeb_noretry(struct cx18 *cx, u8 val, void __iomem *addr)
{
writeb(val, addr);
- cx18_io_delay(cx);
}
-void cx18_writeb_retry(struct cx18 *cx, u8 val, void __iomem *addr);
-
static inline void cx18_writeb(struct cx18 *cx, u8 val, void __iomem *addr)
{
- if (cx18_retry_mmio)
- cx18_writeb_retry(cx, val, addr);
- else
+ int i;
+ for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) {
cx18_writeb_noretry(cx, val, addr);
+ if (val == cx18_readb(cx, addr))
+ break;
+ }
}
-
-static inline u32 cx18_readl_noretry(struct cx18 *cx, const void __iomem *addr)
-{
- u32 ret = readl(addr);
- cx18_io_delay(cx);
- return ret;
-}
-
-u32 cx18_readl_retry(struct cx18 *cx, const void __iomem *addr);
-
-static inline u32 cx18_readl(struct cx18 *cx, const void __iomem *addr)
-{
- if (cx18_retry_mmio)
- return cx18_readl_retry(cx, addr);
-
- return cx18_readl_noretry(cx, addr);
-}
-
-
-static inline u16 cx18_readw_noretry(struct cx18 *cx, const void __iomem *addr)
-{
- u16 ret = readw(addr);
- cx18_io_delay(cx);
- return ret;
-}
-
-u16 cx18_readw_retry(struct cx18 *cx, const void __iomem *addr);
-
-static inline u16 cx18_readw(struct cx18 *cx, const void __iomem *addr)
-{
- if (cx18_retry_mmio)
- return cx18_readw_retry(cx, addr);
-
- return cx18_readw_noretry(cx, addr);
-}
-
-
-static inline u8 cx18_readb_noretry(struct cx18 *cx, const void __iomem *addr)
-{
- u8 ret = readb(addr);
- cx18_io_delay(cx);
- return ret;
-}
-
-u8 cx18_readb_retry(struct cx18 *cx, const void __iomem *addr);
-
-static inline u8 cx18_readb(struct cx18 *cx, const void __iomem *addr)
-{
- if (cx18_retry_mmio)
- return cx18_readb_retry(cx, addr);
-
- return cx18_readb_noretry(cx, addr);
-}
-
-
-static inline
-u32 cx18_write_sync_noretry(struct cx18 *cx, u32 val, void __iomem *addr)
-{
- cx18_writel_noretry(cx, val, addr);
- return cx18_readl_noretry(cx, addr);
-}
-
-static inline
-u32 cx18_write_sync_retry(struct cx18 *cx, u32 val, void __iomem *addr)
-{
- cx18_writel_retry(cx, val, addr);
- return cx18_readl_retry(cx, addr);
-}
-
-static inline u32 cx18_write_sync(struct cx18 *cx, u32 val, void __iomem *addr)
-{
- if (cx18_retry_mmio)
- return cx18_write_sync_retry(cx, val, addr);
-
- return cx18_write_sync_noretry(cx, val, addr);
-}
-
-
static inline
void cx18_memcpy_fromio(struct cx18 *cx, void *to,
const void __iomem *from, unsigned int len)
@@ -265,130 +153,32 @@ static inline void cx18_write_reg_noretry(struct cx18 *cx, u32 val, u32 reg)
cx18_writel_noretry(cx, val, cx->reg_mem + reg);
}
-static inline void cx18_write_reg_retry(struct cx18 *cx, u32 val, u32 reg)
-{
- cx18_writel_retry(cx, val, cx->reg_mem + reg);
-}
-
static inline void cx18_write_reg(struct cx18 *cx, u32 val, u32 reg)
{
- if (cx18_retry_mmio)
- cx18_write_reg_retry(cx, val, reg);
- else
- cx18_write_reg_noretry(cx, val, reg);
-}
-
-static inline void _cx18_write_reg_expect(struct cx18 *cx, u32 val, u32 reg,
- u32 eval, u32 mask)
-{
- _cx18_writel_expect(cx, val, cx->reg_mem + reg, eval, mask);
+ cx18_writel(cx, val, cx->reg_mem + reg);
}
static inline void cx18_write_reg_expect(struct cx18 *cx, u32 val, u32 reg,
u32 eval, u32 mask)
{
- if (cx18_retry_mmio)
- _cx18_write_reg_expect(cx, val, reg, eval, mask);
- else
- cx18_write_reg_noretry(cx, val, reg);
-}
-
-
-static inline u32 cx18_read_reg_noretry(struct cx18 *cx, u32 reg)
-{
- return cx18_readl_noretry(cx, cx->reg_mem + reg);
-}
-
-static inline u32 cx18_read_reg_retry(struct cx18 *cx, u32 reg)
-{
- return cx18_readl_retry(cx, cx->reg_mem + reg);
+ cx18_writel_expect(cx, val, cx->reg_mem + reg, eval, mask);
}
static inline u32 cx18_read_reg(struct cx18 *cx, u32 reg)
{
- if (cx18_retry_mmio)
- return cx18_read_reg_retry(cx, reg);
-
- return cx18_read_reg_noretry(cx, reg);
-}
-
-
-static inline u32 cx18_write_reg_sync_noretry(struct cx18 *cx, u32 val, u32 reg)
-{
- return cx18_write_sync_noretry(cx, val, cx->reg_mem + reg);
-}
-
-static inline u32 cx18_write_reg_sync_retry(struct cx18 *cx, u32 val, u32 reg)
-{
- return cx18_write_sync_retry(cx, val, cx->reg_mem + reg);
-}
-
-static inline u32 cx18_write_reg_sync(struct cx18 *cx, u32 val, u32 reg)
-{
- if (cx18_retry_mmio)
- return cx18_write_reg_sync_retry(cx, val, reg);
-
- return cx18_write_reg_sync_noretry(cx, val, reg);
+ return cx18_readl(cx, cx->reg_mem + reg);
}
/* Access "encoder memory" region of CX23418 memory mapped I/O */
-static inline void cx18_write_enc_noretry(struct cx18 *cx, u32 val, u32 addr)
-{
- cx18_writel_noretry(cx, val, cx->enc_mem + addr);
-}
-
-static inline void cx18_write_enc_retry(struct cx18 *cx, u32 val, u32 addr)
-{
- cx18_writel_retry(cx, val, cx->enc_mem + addr);
-}
-
static inline void cx18_write_enc(struct cx18 *cx, u32 val, u32 addr)
{
- if (cx18_retry_mmio)
- cx18_write_enc_retry(cx, val, addr);
- else
- cx18_write_enc_noretry(cx, val, addr);
-}
-
-
-static inline u32 cx18_read_enc_noretry(struct cx18 *cx, u32 addr)
-{
- return cx18_readl_noretry(cx, cx->enc_mem + addr);
-}
-
-static inline u32 cx18_read_enc_retry(struct cx18 *cx, u32 addr)
-{
- return cx18_readl_retry(cx, cx->enc_mem + addr);
+ cx18_writel(cx, val, cx->enc_mem + addr);
}
static inline u32 cx18_read_enc(struct cx18 *cx, u32 addr)
{
- if (cx18_retry_mmio)
- return cx18_read_enc_retry(cx, addr);
-
- return cx18_read_enc_noretry(cx, addr);
-}
-
-static inline
-u32 cx18_write_enc_sync_noretry(struct cx18 *cx, u32 val, u32 addr)
-{
- return cx18_write_sync_noretry(cx, val, cx->enc_mem + addr);
-}
-
-static inline
-u32 cx18_write_enc_sync_retry(struct cx18 *cx, u32 val, u32 addr)
-{
- return cx18_write_sync_retry(cx, val, cx->enc_mem + addr);
-}
-
-static inline
-u32 cx18_write_enc_sync(struct cx18 *cx, u32 val, u32 addr)
-{
- if (cx18_retry_mmio)
- return cx18_write_enc_sync_retry(cx, val, addr);
-
- return cx18_write_enc_sync_noretry(cx, val, addr);
+ return cx18_readl(cx, cx->enc_mem + addr);
}
void cx18_sw1_irq_enable(struct cx18 *cx, u32 val);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 18:04:05 +0000