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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-12 15:55:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-12 15:55:19 -0800
commit3b1b71950b81c4a20ae63c2322383ab4932cdabd (patch)
tree4ab1907249886ac5f410a81b9be8f2c977a10f7d /drivers
parentc69e8839c230c60d3c5f62c8f88bd23d8d6519ee (diff)
parent877d52431f4d3cda4adea077ffbe88f3fd1755d3 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: (30 commits) m68k: Fix --build-id breakage for sun3 m68k: Wire up sys_restart_syscall fbdev: Kill Atari vblank cursor blinking m68k: zorro - Use %pR to print resources m68k: dio - Kill resource_size_t format warnings m68k: dmasound - Kill warn_unused_result warnings m68k: zorro - Kill warn_unused_result warnings m68k: dio - Kill warn_unused_result warnings m68k: atafb - Kill warn_unused_result warnings m68k: amiserial - Kill warn_unused_result warnings m68k: ser_a2232 - Kill warn_unused_result warnings m68k: vme_scc - Kill warn_unused_result warnings m68k: sun3 core - Kill warn_unused_result warnings m68k: mvme147 core - Kill warn_unused_result warnings m68k: mac core - Kill warn_unused_result warnings m68k: hp300 core - Kill warn_unused_result warnings m68k: atari core - Kill warn_unused_result warnings m68k: apollo core - Kill warn_unused_result warnings m68k: amiga core - Kill warn_unused_result warnings m68k: Kill several external declarations in source files ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/amiflop.c40
-rw-r--r--drivers/char/amiserial.c36
-rw-r--r--drivers/char/ser_a2232.c12
-rw-r--r--drivers/char/vme_scc.c166
-rw-r--r--drivers/dio/dio-sysfs.c19
-rw-r--r--drivers/dio/dio.c18
-rw-r--r--drivers/video/Makefile4
-rw-r--r--drivers/video/amifb.c6
-rw-r--r--drivers/video/atafb.c112
-rw-r--r--drivers/video/c2p.c232
-rw-r--r--drivers/video/c2p.h11
-rw-r--r--drivers/video/c2p_core.h153
-rw-r--r--drivers/video/c2p_iplan2.c153
-rw-r--r--drivers/video/c2p_planar.c156
-rw-r--r--drivers/video/console/fbcon.c38
-rw-r--r--drivers/zorro/.gitignore2
-rw-r--r--drivers/zorro/zorro-sysfs.c20
-rw-r--r--drivers/zorro/zorro.c23
-rw-r--r--drivers/zorro/zorro.h2
19 files changed, 772 insertions, 431 deletions
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 4b1d4ac960f..8df436ff706 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -156,7 +156,7 @@ static volatile int fdc_busy = -1;
static volatile int fdc_nested;
static DECLARE_WAIT_QUEUE_HEAD(fdc_wait);
-static DECLARE_WAIT_QUEUE_HEAD(motor_wait);
+static DECLARE_COMPLETION(motor_on_completion);
static volatile int selected = -1; /* currently selected drive */
@@ -184,8 +184,7 @@ static unsigned char mfmencode[16]={
static unsigned char mfmdecode[128];
/* floppy internal millisecond timer stuff */
-static volatile int ms_busy = -1;
-static DECLARE_WAIT_QUEUE_HEAD(ms_wait);
+static DECLARE_COMPLETION(ms_wait_completion);
#define MS_TICKS ((amiga_eclock+50)/1000)
/*
@@ -211,8 +210,7 @@ static int fd_device[4] = { 0, 0, 0, 0 };
static irqreturn_t ms_isr(int irq, void *dummy)
{
- ms_busy = -1;
- wake_up(&ms_wait);
+ complete(&ms_wait_completion);
return IRQ_HANDLED;
}
@@ -220,19 +218,17 @@ static irqreturn_t ms_isr(int irq, void *dummy)
A more generic routine would do a schedule a la timer.device */
static void ms_delay(int ms)
{
- unsigned long flags;
int ticks;
+ static DEFINE_MUTEX(mutex);
+
if (ms > 0) {
- local_irq_save(flags);
- while (ms_busy == 0)
- sleep_on(&ms_wait);
- ms_busy = 0;
- local_irq_restore(flags);
+ mutex_lock(&mutex);
ticks = MS_TICKS*ms-1;
ciaa.tblo=ticks%256;
ciaa.tbhi=ticks/256;
ciaa.crb=0x19; /*count eclock, force load, one-shoot, start */
- sleep_on(&ms_wait);
+ wait_for_completion(&ms_wait_completion);
+ mutex_unlock(&mutex);
}
}
@@ -254,8 +250,7 @@ static void get_fdc(int drive)
printk("get_fdc: drive %d fdc_busy %d fdc_nested %d\n",drive,fdc_busy,fdc_nested);
#endif
local_irq_save(flags);
- while (!try_fdc(drive))
- sleep_on(&fdc_wait);
+ wait_event(fdc_wait, try_fdc(drive));
fdc_busy = drive;
fdc_nested++;
local_irq_restore(flags);
@@ -330,7 +325,7 @@ static void fd_deselect (int drive)
static void motor_on_callback(unsigned long nr)
{
if (!(ciaa.pra & DSKRDY) || --on_attempts == 0) {
- wake_up (&motor_wait);
+ complete_all(&motor_on_completion);
} else {
motor_on_timer.expires = jiffies + HZ/10;
add_timer(&motor_on_timer);
@@ -347,11 +342,12 @@ static int fd_motor_on(int nr)
unit[nr].motor = 1;
fd_select(nr);
+ INIT_COMPLETION(motor_on_completion);
motor_on_timer.data = nr;
mod_timer(&motor_on_timer, jiffies + HZ/2);
on_attempts = 10;
- sleep_on (&motor_wait);
+ wait_for_completion(&motor_on_completion);
fd_deselect(nr);
}
@@ -582,8 +578,7 @@ static void raw_read(int drive)
{
drive&=3;
get_fdc(drive);
- while (block_flag)
- sleep_on(&wait_fd_block);
+ wait_event(wait_fd_block, !block_flag);
fd_select(drive);
/* setup adkcon bits correctly */
custom.adkcon = ADK_MSBSYNC;
@@ -598,8 +593,7 @@ static void raw_read(int drive)
block_flag = 1;
- while (block_flag)
- sleep_on (&wait_fd_block);
+ wait_event(wait_fd_block, !block_flag);
custom.dsklen = 0;
fd_deselect(drive);
@@ -616,8 +610,7 @@ static int raw_write(int drive)
rel_fdc();
return 0;
}
- while (block_flag)
- sleep_on(&wait_fd_block);
+ wait_event(wait_fd_block, !block_flag);
fd_select(drive);
/* clear adkcon bits */
custom.adkcon = ADK_PRECOMP1|ADK_PRECOMP0|ADK_WORDSYNC|ADK_MSBSYNC;
@@ -1294,8 +1287,7 @@ static int non_int_flush_track (unsigned long nr)
writepending = 0;
return 0;
}
- while (block_flag == 2)
- sleep_on (&wait_fd_block);
+ wait_event(wait_fd_block, block_flag != 2);
}
else {
local_irq_restore(flags);
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 4e0cfdeab14..a58869ea851 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -1963,6 +1963,7 @@ static int __init rs_init(void)
{
unsigned long flags;
struct serial_state * state;
+ int error;
if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_SERIAL))
return -ENODEV;
@@ -1975,8 +1976,11 @@ static int __init rs_init(void)
* We request SERDAT and SERPER only, because the serial registers are
* too spreaded over the custom register space
*/
- if (!request_mem_region(CUSTOM_PHYSADDR+0x30, 4, "amiserial [Paula]"))
- return -EBUSY;
+ if (!request_mem_region(CUSTOM_PHYSADDR+0x30, 4,
+ "amiserial [Paula]")) {
+ error = -EBUSY;
+ goto fail_put_tty_driver;
+ }
IRQ_ports = NULL;
@@ -1997,8 +2001,9 @@ static int __init rs_init(void)
serial_driver->flags = TTY_DRIVER_REAL_RAW;
tty_set_operations(serial_driver, &serial_ops);
- if (tty_register_driver(serial_driver))
- panic("Couldn't register serial driver\n");
+ error = tty_register_driver(serial_driver);
+ if (error)
+ goto fail_release_mem_region;
state = rs_table;
state->magic = SSTATE_MAGIC;
@@ -2024,8 +2029,14 @@ static int __init rs_init(void)
local_irq_save(flags);
/* set ISRs, and then disable the rx interrupts */
- request_irq(IRQ_AMIGA_TBE, ser_tx_int, 0, "serial TX", state);
- request_irq(IRQ_AMIGA_RBF, ser_rx_int, IRQF_DISABLED, "serial RX", state);
+ error = request_irq(IRQ_AMIGA_TBE, ser_tx_int, 0, "serial TX", state);
+ if (error)
+ goto fail_unregister;
+
+ error = request_irq(IRQ_AMIGA_RBF, ser_rx_int, IRQF_DISABLED,
+ "serial RX", state);
+ if (error)
+ goto fail_free_irq;
/* turn off Rx and Tx interrupts */
custom.intena = IF_RBF | IF_TBE;
@@ -2045,6 +2056,16 @@ static int __init rs_init(void)
ciab.ddra &= ~(SER_DCD | SER_CTS | SER_DSR); /* inputs */
return 0;
+
+fail_free_irq:
+ free_irq(IRQ_AMIGA_TBE, state);
+fail_unregister:
+ tty_unregister_driver(serial_driver);
+fail_release_mem_region:
+ release_mem_region(CUSTOM_PHYSADDR+0x30, 4);
+fail_put_tty_driver:
+ put_tty_driver(serial_driver);
+ return error;
}
static __exit void rs_exit(void)
@@ -2064,6 +2085,9 @@ static __exit void rs_exit(void)
kfree(info);
}
+ free_irq(IRQ_AMIGA_TBE, rs_table);
+ free_irq(IRQ_AMIGA_RBF, rs_table);
+
release_mem_region(CUSTOM_PHYSADDR+0x30, 4);
}
diff --git a/drivers/char/ser_a2232.c b/drivers/char/ser_a2232.c
index 33872a219df..33a2b531802 100644
--- a/drivers/char/ser_a2232.c
+++ b/drivers/char/ser_a2232.c
@@ -718,6 +718,7 @@ static int __init a2232board_init(void)
u_char *from;
volatile u_char *to;
volatile struct a2232memory *mem;
+ int error, i;
#ifdef CONFIG_SMP
return -ENODEV; /* This driver is not SMP aware. Is there an SMP ZorroII-bus-machine? */
@@ -797,8 +798,15 @@ static int __init a2232board_init(void)
*/
if (a2232_init_drivers()) return -ENODEV; // maybe we should use a different -Exxx?
- request_irq(IRQ_AMIGA_VERTB, a2232_vbl_inter, 0, "A2232 serial VBL", a2232_driver_ID);
- return 0;
+ error = request_irq(IRQ_AMIGA_VERTB, a2232_vbl_inter, 0,
+ "A2232 serial VBL", a2232_driver_ID);
+ if (error) {
+ for (i = 0; i < nr_a2232; i++)
+ zorro_release_device(zd_a2232[i]);
+ tty_unregister_driver(a2232_driver);
+ put_tty_driver(a2232_driver);
+ }
+ return error;
}
static void __exit a2232board_exit(void)
diff --git a/drivers/char/vme_scc.c b/drivers/char/vme_scc.c
index 0e8234bd0e1..994e1a58b98 100644
--- a/drivers/char/vme_scc.c
+++ b/drivers/char/vme_scc.c
@@ -198,6 +198,7 @@ static void scc_init_portstructs(void)
static int mvme147_scc_init(void)
{
struct scc_port *port;
+ int error;
printk(KERN_INFO "SCC: MVME147 Serial Driver\n");
/* Init channel A */
@@ -207,14 +208,23 @@ static int mvme147_scc_init(void)
port->datap = port->ctrlp + 1;
port->port_a = &scc_ports[0];
port->port_b = &scc_ports[1];
- request_irq(MVME147_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED,
+ error = request_irq(MVME147_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED,
"SCC-A TX", port);
- request_irq(MVME147_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED,
+ if (error)
+ goto fail;
+ error = request_irq(MVME147_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED,
"SCC-A status", port);
- request_irq(MVME147_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED,
+ if (error)
+ goto fail_free_a_tx;
+ error = request_irq(MVME147_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED,
"SCC-A RX", port);
- request_irq(MVME147_IRQ_SCCA_SPCOND, scc_spcond_int, IRQF_DISABLED,
- "SCC-A special cond", port);
+ if (error)
+ goto fail_free_a_stat;
+ error = request_irq(MVME147_IRQ_SCCA_SPCOND, scc_spcond_int,
+ IRQF_DISABLED, "SCC-A special cond", port);
+ if (error)
+ goto fail_free_a_rx;
+
{
SCC_ACCESS_INIT(port);
@@ -234,14 +244,23 @@ static int mvme147_scc_init(void)
port->datap = port->ctrlp + 1;
port->port_a = &scc_ports[0];
port->port_b = &scc_ports[1];
- request_irq(MVME147_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED,
+ error = request_irq(MVME147_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED,
"SCC-B TX", port);
- request_irq(MVME147_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED,
+ if (error)
+ goto fail_free_a_spcond;
+ error = request_irq(MVME147_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED,
"SCC-B status", port);
- request_irq(MVME147_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED,
+ if (error)
+ goto fail_free_b_tx;
+ error = request_irq(MVME147_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED,
"SCC-B RX", port);
- request_irq(MVME147_IRQ_SCCB_SPCOND, scc_spcond_int, IRQF_DISABLED,
- "SCC-B special cond", port);
+ if (error)
+ goto fail_free_b_stat;
+ error = request_irq(MVME147_IRQ_SCCB_SPCOND, scc_spcond_int,
+ IRQF_DISABLED, "SCC-B special cond", port);
+ if (error)
+ goto fail_free_b_rx;
+
{
SCC_ACCESS_INIT(port);
@@ -257,6 +276,23 @@ static int mvme147_scc_init(void)
scc_init_drivers();
return 0;
+
+fail_free_b_rx:
+ free_irq(MVME147_IRQ_SCCB_RX, port);
+fail_free_b_stat:
+ free_irq(MVME147_IRQ_SCCB_STAT, port);
+fail_free_b_tx:
+ free_irq(MVME147_IRQ_SCCB_TX, port);
+fail_free_a_spcond:
+ free_irq(MVME147_IRQ_SCCA_SPCOND, port);
+fail_free_a_rx:
+ free_irq(MVME147_IRQ_SCCA_RX, port);
+fail_free_a_stat:
+ free_irq(MVME147_IRQ_SCCA_STAT, port);
+fail_free_a_tx:
+ free_irq(MVME147_IRQ_SCCA_TX, port);
+fail:
+ return error;
}
#endif
@@ -265,6 +301,7 @@ static int mvme147_scc_init(void)
static int mvme162_scc_init(void)
{
struct scc_port *port;
+ int error;
if (!(mvme16x_config & MVME16x_CONFIG_GOT_SCCA))
return (-ENODEV);
@@ -277,14 +314,23 @@ static int mvme162_scc_init(void)
port->datap = port->ctrlp + 2;
port->port_a = &scc_ports[0];
port->port_b = &scc_ports[1];
- request_irq(MVME162_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED,
+ error = request_irq(MVME162_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED,
"SCC-A TX", port);
- request_irq(MVME162_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED,
+ if (error)
+ goto fail;
+ error = request_irq(MVME162_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED,
"SCC-A status", port);
- request_irq(MVME162_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED,
+ if (error)
+ goto fail_free_a_tx;
+ error = request_irq(MVME162_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED,
"SCC-A RX", port);
- request_irq(MVME162_IRQ_SCCA_SPCOND, scc_spcond_int, IRQF_DISABLED,
- "SCC-A special cond", port);
+ if (error)
+ goto fail_free_a_stat;
+ error = request_irq(MVME162_IRQ_SCCA_SPCOND, scc_spcond_int,
+ IRQF_DISABLED, "SCC-A special cond", port);
+ if (error)
+ goto fail_free_a_rx;
+
{
SCC_ACCESS_INIT(port);
@@ -304,14 +350,22 @@ static int mvme162_scc_init(void)
port->datap = port->ctrlp + 2;
port->port_a = &scc_ports[0];
port->port_b = &scc_ports[1];
- request_irq(MVME162_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED,
+ error = request_irq(MVME162_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED,
"SCC-B TX", port);
- request_irq(MVME162_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED,
+ if (error)
+ goto fail_free_a_spcond;
+ error = request_irq(MVME162_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED,
"SCC-B status", port);
- request_irq(MVME162_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED,
+ if (error)
+ goto fail_free_b_tx;
+ error = request_irq(MVME162_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED,
"SCC-B RX", port);
- request_irq(MVME162_IRQ_SCCB_SPCOND, scc_spcond_int, IRQF_DISABLED,
- "SCC-B special cond", port);
+ if (error)
+ goto fail_free_b_stat;
+ error = request_irq(MVME162_IRQ_SCCB_SPCOND, scc_spcond_int,
+ IRQF_DISABLED, "SCC-B special cond", port);
+ if (error)
+ goto fail_free_b_rx;
{
SCC_ACCESS_INIT(port); /* Either channel will do */
@@ -328,6 +382,23 @@ static int mvme162_scc_init(void)
scc_init_drivers();
return 0;
+
+fail_free_b_rx:
+ free_irq(MVME162_IRQ_SCCB_RX, port);
+fail_free_b_stat:
+ free_irq(MVME162_IRQ_SCCB_STAT, port);
+fail_free_b_tx:
+ free_irq(MVME162_IRQ_SCCB_TX, port);
+fail_free_a_spcond:
+ free_irq(MVME162_IRQ_SCCA_SPCOND, port);
+fail_free_a_rx:
+ free_irq(MVME162_IRQ_SCCA_RX, port);
+fail_free_a_stat:
+ free_irq(MVME162_IRQ_SCCA_STAT, port);
+fail_free_a_tx:
+ free_irq(MVME162_IRQ_SCCA_TX, port);
+fail:
+ return error;
}
#endif
@@ -336,6 +407,7 @@ static int mvme162_scc_init(void)
static int bvme6000_scc_init(void)
{
struct scc_port *port;
+ int error;
printk(KERN_INFO "SCC: BVME6000 Serial Driver\n");
/* Init channel A */
@@ -345,14 +417,23 @@ static int bvme6000_scc_init(void)
port->datap = port->ctrlp + 4;
port->port_a = &scc_ports[0];
port->port_b = &scc_ports[1];
- request_irq(BVME_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED,
+ error = request_irq(BVME_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED,
"SCC-A TX", port);
- request_irq(BVME_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED,
+ if (error)
+ goto fail;
+ error = request_irq(BVME_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED,
"SCC-A status", port);
- request_irq(BVME_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED,
+ if (error)
+ goto fail_free_a_tx;
+ error = request_irq(BVME_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED,
"SCC-A RX", port);
- request_irq(BVME_IRQ_SCCA_SPCOND, scc_spcond_int, IRQF_DISABLED,
- "SCC-A special cond", port);
+ if (error)
+ goto fail_free_a_stat;
+ error = request_irq(BVME_IRQ_SCCA_SPCOND, scc_spcond_int,
+ IRQF_DISABLED, "SCC-A special cond", port);
+ if (error)
+ goto fail_free_a_rx;
+
{
SCC_ACCESS_INIT(port);
@@ -372,14 +453,22 @@ static int bvme6000_scc_init(void)
port->datap = port->ctrlp + 4;
port->port_a = &scc_ports[0];
port->port_b = &scc_ports[1];
- request_irq(BVME_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED,
+ error = request_irq(BVME_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED,
"SCC-B TX", port);
- request_irq(BVME_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED,
+ if (error)
+ goto fail_free_a_spcond;
+ error = request_irq(BVME_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED,
"SCC-B status", port);
- request_irq(BVME_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED,
+ if (error)
+ goto fail_free_b_tx;
+ error = request_irq(BVME_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED,
"SCC-B RX", port);
- request_irq(BVME_IRQ_SCCB_SPCOND, scc_spcond_int, IRQF_DISABLED,
- "SCC-B special cond", port);
+ if (error)
+ goto fail_free_b_stat;
+ error = request_irq(BVME_IRQ_SCCB_SPCOND, scc_spcond_int,
+ IRQF_DISABLED, "SCC-B special cond", port);
+ if (error)
+ goto fail_free_b_rx;
{
SCC_ACCESS_INIT(port); /* Either channel will do */
@@ -393,6 +482,23 @@ static int bvme6000_scc_init(void)
scc_init_drivers();
return 0;
+
+fail:
+ free_irq(BVME_IRQ_SCCA_STAT, port);
+fail_free_a_tx:
+ free_irq(BVME_IRQ_SCCA_RX, port);
+fail_free_a_stat:
+ free_irq(BVME_IRQ_SCCA_SPCOND, port);
+fail_free_a_rx:
+ free_irq(BVME_IRQ_SCCB_TX, port);
+fail_free_a_spcond:
+ free_irq(BVME_IRQ_SCCB_STAT, port);
+fail_free_b_tx:
+ free_irq(BVME_IRQ_SCCB_RX, port);
+fail_free_b_stat:
+ free_irq(BVME_IRQ_SCCB_SPCOND, port);
+fail_free_b_rx:
+ return error;
}
#endif
diff --git a/drivers/dio/dio-sysfs.c b/drivers/dio/dio-sysfs.c
index f4646303884..ee1a3b59bd4 100644
--- a/drivers/dio/dio-sysfs.c
+++ b/drivers/dio/dio-sysfs.c
@@ -58,20 +58,25 @@ static ssize_t dio_show_resource(struct device *dev, struct device_attribute *at
struct dio_dev *d = to_dio_dev(dev);
return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n",
- dio_resource_start(d), dio_resource_end(d),
+ (unsigned long)dio_resource_start(d),
+ (unsigned long)dio_resource_end(d),
dio_resource_flags(d));
}
static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL);
-void dio_create_sysfs_dev_files(struct dio_dev *d)
+int dio_create_sysfs_dev_files(struct dio_dev *d)
{
struct device *dev = &d->dev;
+ int error;
/* current configuration's attributes */
- device_create_file(dev, &dev_attr_id);
- device_create_file(dev, &dev_attr_ipl);
- device_create_file(dev, &dev_attr_secid);
- device_create_file(dev, &dev_attr_name);
- device_create_file(dev, &dev_attr_resource);
+ if ((error = device_create_file(dev, &dev_attr_id)) ||
+ (error = device_create_file(dev, &dev_attr_ipl)) ||
+ (error = device_create_file(dev, &dev_attr_secid)) ||
+ (error = device_create_file(dev, &dev_attr_name)) ||
+ (error = device_create_file(dev, &dev_attr_resource)))
+ return error;
+
+ return 0;
}
diff --git a/drivers/dio/dio.c b/drivers/dio/dio.c
index 07f274f853d..10c3c498358 100644
--- a/drivers/dio/dio.c
+++ b/drivers/dio/dio.c
@@ -173,6 +173,7 @@ static int __init dio_init(void)
mm_segment_t fs;
int i;
struct dio_dev *dev;
+ int error;
if (!MACH_IS_HP300)
return 0;
@@ -182,7 +183,11 @@ static int __init dio_init(void)
/* Initialize the DIO bus */
INIT_LIST_HEAD(&dio_bus.devices);
strcpy(dio_bus.dev.bus_id, "dio");
- device_register(&dio_bus.dev);
+ error = device_register(&dio_bus.dev);
+ if (error) {
+ pr_err("DIO: Error registering dio_bus\n");
+ return error;
+ }
/* Request all resources */
dio_bus.num_resources = (hp300_model == HP_320 ? 1 : 2);
@@ -252,8 +257,15 @@ static int __init dio_init(void)
if (scode >= DIOII_SCBASE)
iounmap(va);
- device_register(&dev->dev);
- dio_create_sysfs_dev_files(dev);
+ error = device_register(&dev->dev);
+ if (error) {
+ pr_err("DIO: Error registering device %s\n",
+ dev->name);
+ continue;
+ }
+ error = dio_create_sysfs_dev_files(dev);
+ if (error)
+ dev_err(&dev->dev, "Error creating sysfs files\n");
}
return 0;
}
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index e39e33e797d..be2b657546e 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -28,7 +28,7 @@ obj-$(CONFIG_FB_DDC) += fb_ddc.o
obj-$(CONFIG_FB_DEFERRED_IO) += fb_defio.o
# Hardware specific drivers go first
-obj-$(CONFIG_FB_AMIGA) += amifb.o c2p.o
+obj-$(CONFIG_FB_AMIGA) += amifb.o c2p_planar.o
obj-$(CONFIG_FB_ARC) += arcfb.o
obj-$(CONFIG_FB_CLPS711X) += clps711xfb.o
obj-$(CONFIG_FB_CYBER2000) += cyber2000fb.o
@@ -72,7 +72,7 @@ obj-$(CONFIG_FB_TCX) += tcx.o sbuslib.o
obj-$(CONFIG_FB_LEO) += leo.o sbuslib.o
obj-$(CONFIG_FB_SGIVW) += sgivwfb.o
obj-$(CONFIG_FB_ACORN) += acornfb.o
-obj-$(CONFIG_FB_ATARI) += atafb.o c2p.o atafb_mfb.o \
+obj-$(CONFIG_FB_ATARI) += atafb.o c2p_iplan2.o atafb_mfb.o \
atafb_iplan2p2.o atafb_iplan2p4.o atafb_iplan2p8.o
obj-$(CONFIG_FB_MAC) += macfb.o
obj-$(CONFIG_FB_HECUBA) += hecubafb.o
diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c
index b8e9a8682f2..100f2366146 100644
--- a/drivers/video/amifb.c
+++ b/drivers/video/amifb.c
@@ -2159,9 +2159,9 @@ static void amifb_imageblit(struct fb_info *info, const struct fb_image *image)
src += pitch;
}
} else {
- c2p(info->screen_base, image->data, dx, dy, width, height,
- par->next_line, par->next_plane, image->width,
- info->var.bits_per_pixel);
+ c2p_planar(info->screen_base, image->data, dx, dy, width,
+ height, par->next_line, par->next_plane,
+ image->width, info->var.bits_per_pixel);
}
}
diff --git a/drivers/video/atafb.c b/drivers/video/atafb.c
index 77eb8b34fbf..8058572a742 100644
--- a/drivers/video/atafb.c
+++ b/drivers/video/atafb.c
@@ -122,7 +122,6 @@ static struct atafb_par {
void *screen_base;
int yres_virtual;
u_long next_line;
- u_long next_plane;
#if defined ATAFB_TT || defined ATAFB_STE
union {
struct {
@@ -149,6 +148,7 @@ static struct atafb_par {
short mono;
short ste_mode;
short bpp;
+ u32 pseudo_palette[16];
} falcon;
#endif
/* Nothing needed for external mode */
@@ -614,7 +614,7 @@ static int tt_encode_fix(struct fb_fix_screeninfo *fix, struct atafb_par *par)
fix->xpanstep = 0;
fix->ypanstep = 1;
fix->ywrapstep = 0;
- fix->line_length = 0;
+ fix->line_length = par->next_line;
fix->accel = FB_ACCEL_ATARIBLITT;
return 0;
}
@@ -691,6 +691,7 @@ static int tt_decode_var(struct fb_var_screeninfo *var, struct atafb_par *par)
return -EINVAL;
par->yres_virtual = yres_virtual;
par->screen_base = screen_base + var->yoffset * linelen;
+ par->next_line = linelen;
return 0;
}
@@ -884,10 +885,6 @@ static int vdl_prescale[4][3] = {
/* Default hsync timing [mon_type] in picoseconds */
static long h_syncs[4] = { 3000000, 4875000, 4000000, 4875000 };
-#ifdef FBCON_HAS_CFB16
-static u16 fbcon_cfb16_cmap[16];
-#endif
-
static inline int hxx_prescale(struct falcon_hw *hw)
{
return hw->ste_mode ? 16
@@ -918,7 +915,7 @@ static int falcon_encode_fix(struct fb_fix_screeninfo *fix,
fix->visual = FB_VISUAL_TRUECOLOR;
fix->xpanstep = 2;
}
- fix->line_length = 0;
+ fix->line_length = par->next_line;
fix->accel = FB_ACCEL_ATARIBLITT;
return 0;
}
@@ -1394,14 +1391,7 @@ set_screen_base:
par->screen_base = screen_base + var->yoffset * linelen;
par->hw.falcon.xoffset = 0;
- // FIXME!!! sort of works, no crash
- //par->next_line = linelen;
- //par->next_plane = yres_virtual * linelen;
par->next_line = linelen;
- par->next_plane = 2;
- // crashes
- //par->next_plane = linelen;
- //par->next_line = yres_virtual * linelen;
return 0;
}
@@ -1735,10 +1725,10 @@ static int falcon_setcolreg(unsigned int regno, unsigned int red,
(((red & 0xe000) >> 13) | ((red & 0x1000) >> 12) << 8) |
(((green & 0xe000) >> 13) | ((green & 0x1000) >> 12) << 4) |
((blue & 0xe000) >> 13) | ((blue & 0x1000) >> 12);
-#ifdef FBCON_HAS_CFB16
- fbcon_cfb16_cmap[regno] = ((red & 0xf800) |
- ((green & 0xfc00) >> 5) |
- ((blue & 0xf800) >> 11));
+#ifdef ATAFB_FALCON
+ ((u32 *)info->pseudo_palette)[regno] = ((red & 0xf800) |
+ ((green & 0xfc00) >> 5) |
+ ((blue & 0xf800) >> 11));
#endif
}
return 0;
@@ -1852,7 +1842,7 @@ static int stste_encode_fix(struct fb_fix_screeninfo *fix,
fix->ypanstep = 0;
}
fix->ywrapstep = 0;
- fix->line_length = 0;
+ fix->line_length = par->next_line;
fix->accel = FB_ACCEL_ATARIBLITT;
return 0;
}
@@ -1910,6 +1900,7 @@ static int stste_decode_var(struct fb_var_screeninfo *var,
return -EINVAL;
par->yres_virtual = yres_virtual;
par->screen_base = screen_base + var->yoffset * linelen;
+ par->next_line = linelen;
return 0;
}
@@ -2169,7 +2160,7 @@ static int ext_encode_fix(struct fb_fix_screeninfo *fix, struct atafb_par *par)
fix->xpanstep = 0;
fix->ypanstep = 0;
fix->ywrapstep = 0;
- fix->line_length = 0;
+ fix->line_length = par->next_line;
return 0;
}
@@ -2184,6 +2175,8 @@ static int ext_decode_var(struct fb_var_screeninfo *var, struct atafb_par *par)
var->xoffset > 0 ||
var->yoffset > 0)
return -EINVAL;
+
+ par->next_line = external_xres_virtual * external_depth / 8;
return 0;
}
@@ -2443,42 +2436,6 @@ static void atafb_set_disp(struct fb_info *info)
atafb_get_fix(&info->fix, info);
info->screen_base = (void *)info->fix.smem_start;
-
- switch (info->fix.type) {
- case FB_TYPE_INTERLEAVED_PLANES:
- switch (info->var.bits_per_pixel) {
- case 2:
- // display->dispsw = &fbcon_iplan2p2;
- break;
- case 4:
- // display->dispsw = &fbcon_iplan2p4;
- break;
- case 8:
- // display->dispsw = &fbcon_iplan2p8;
- break;
- }
- break;
- case FB_TYPE_PACKED_PIXELS:
- switch (info->var.bits_per_pixel) {
-#ifdef FBCON_HAS_MFB
- case 1:
- // display->dispsw = &fbcon_mfb;
- break;
-#endif
-#ifdef FBCON_HAS_CFB8
- case 8:
- // display->dispsw = &fbcon_cfb8;
- break;
-#endif
-#ifdef FBCON_HAS_CFB16
- case 16:
- // display->dispsw = &fbcon_cfb16;
- // display->dispsw_data = fbcon_cfb16_cmap;
- break;
-#endif
- }
- break;
- }
}
static int atafb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
@@ -2549,6 +2506,13 @@ static void atafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
if (!rect->width || !rect->height)
return;
+#ifdef ATAFB_FALCON
+ if (info->var.bits_per_pixel == 16) {
+ cfb_fillrect(info, rect);
+ return;
+ }
+#endif
+
/*
* We could use hardware clipping but on many cards you get around
* hardware clipping by writing to framebuffer directly.
@@ -2583,6 +2547,13 @@ static void atafb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
u32 dx, dy, sx, sy, width, height;
int rev_copy = 0;
+#ifdef ATAFB_FALCON
+ if (info->var.bits_per_pixel == 16) {
+ cfb_copyarea(info, area);
+ return;
+ }
+#endif
+
/* clip the destination */
x2 = area->dx + area->width;
y2 = area->dy + area->height;
@@ -2632,6 +2603,13 @@ static void atafb_imageblit(struct fb_info *info, const struct fb_image *image)
const char *src;
u32 dx, dy, width, height, pitch;
+#ifdef ATAFB_FALCON
+ if (info->var.bits_per_pixel == 16) {
+ cfb_imageblit(info, image);
+ return;
+ }
+#endif
+
/*
* We could use hardware clipping but on many cards you get around
* hardware clipping by writing to framebuffer directly like we are
@@ -2676,10 +2654,9 @@ static void atafb_imageblit(struct fb_info *info, const struct fb_image *image)
src += pitch;
}
} else {
- // only used for logo; broken
- c2p(info->screen_base, image->data, dx, dy, width, height,
- par->next_line, par->next_plane, image->width,
- info->var.bits_per_pixel);
+ c2p_iplan2(info->screen_base, image->data, dx, dy, width,
+ height, par->next_line, image->width,
+ info->var.bits_per_pixel);
}
}
@@ -3098,8 +3075,7 @@ int __init atafb_setup(char *options)
int __init atafb_init(void)
{
- int pad;
- int detected_mode;
+ int pad, detected_mode, error;
unsigned int defmode = 0;
unsigned long mem_req;
@@ -3139,8 +3115,12 @@ int __init atafb_init(void)
printk("atafb_init: initializing Falcon hw\n");
fbhw = &falcon_switch;
atafb_ops.fb_setcolreg = &falcon_setcolreg;
- request_irq(IRQ_AUTO_4, falcon_vbl_switcher, IRQ_TYPE_PRIO,
- "framebuffer/modeswitch", falcon_vbl_switcher);
+ error = request_irq(IRQ_AUTO_4, falcon_vbl_switcher,
+ IRQ_TYPE_PRIO,
+ "framebuffer/modeswitch",
+ falcon_vbl_switcher);
+ if (error)
+ return error;
defmode = DEFMODE_F30;
break;
}
@@ -3225,6 +3205,10 @@ int __init atafb_init(void)
// tries to read from HW which may not be initialized yet
// so set sane var first, then call atafb_set_par
atafb_get_var(&fb_info.var, &fb_info);
+
+#ifdef ATAFB_FALCON
+ fb_info.pseudo_palette = current_par.hw.falcon.pseudo_palette;
+#endif
fb_info.flags = FBINFO_FLAG_DEFAULT;
if (!fb_find_mode(&fb_info.var, &fb_info, mode_option, atafb_modedb,
diff --git a/drivers/video/c2p.c b/drivers/video/c2p.c
deleted file mode 100644
index 376bc07ff95..00000000000
--- a/drivers/video/c2p.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * Fast C2P (Chunky-to-Planar) Conversion
- *
- * Copyright (C) 2003 Geert Uytterhoeven
- *
- * NOTES:
- * - This code was inspired by Scout's C2P tutorial
- * - It assumes to run on a big endian system
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive
- * for more details.
- */
-
-#include <linux/module.h>
-#include <linux/string.h>
-#include "c2p.h"
-
-
- /*
- * Basic transpose step
- */
-
-#define _transp(d, i1, i2, shift, mask) \
- do { \
- u32 t = (d[i1] ^ (d[i2] >> shift)) & mask; \
- d[i1] ^= t; \
- d[i2] ^= t << shift; \
- } while (0)
-
-static inline u32 get_mask(int n)
-{
- switch (n) {
- case 1:
- return 0x55555555;
- break;
-
- case 2:
- return 0x33333333;
- break;
-
- case 4:
- return 0x0f0f0f0f;
- break;
-
- case 8:
- return 0x00ff00ff;
- break;
-
- case 16:
- return 0x0000ffff;
- break;
- }
- return 0;
-}
-
-#define transp_nx1(d, n) \
- do { \
- u32 mask = get_mask(n); \
- /* First block */ \
- _transp(d, 0, 1, n, mask); \
- /* Second block */ \
- _transp(d, 2, 3, n, mask); \
- /* Third block */ \
- _transp(d, 4, 5, n, mask); \
- /* Fourth block */ \
- _transp(d, 6, 7, n, mask); \
- } while (0)
-
-#define transp_nx2(d, n) \
- do { \
- u32 mask = get_mask(n); \
- /* First block */ \
- _transp(d, 0, 2, n, mask); \
- _transp(d, 1, 3, n, mask); \
- /* Second block */ \
- _transp(d, 4, 6, n, mask); \
- _transp(d, 5, 7, n, mask); \
- } while (0)
-
-#define transp_nx4(d, n) \
- do { \
- u32 mask = get_mask(n); \
- _transp(d, 0, 4, n, mask); \
- _transp(d, 1, 5, n, mask); \
- _transp(d, 2, 6, n, mask); \
- _transp(d, 3, 7, n, mask); \
- } while (0)
-
-#define transp(d, n, m) transp_nx ## m(d, n)
-
-
- /*
- * Perform a full C2P step on 32 8-bit pixels, stored in 8 32-bit words
- * containing
- * - 32 8-bit chunky pixels on input
- * - permuted planar data on output
- */
-
-static void c2p_8bpp(u32 d[8])
-{
- transp(d, 16, 4);
- transp(d, 8, 2);
- transp(d, 4, 1);
- transp(d, 2, 4);
- transp(d, 1, 2);
-}
-
-
- /*
- * Array containing the permution indices of the planar data after c2p
- */
-
-static const int perm_c2p_8bpp[8] = { 7, 5, 3, 1, 6, 4, 2, 0 };
-
-
- /*
- * Compose two values, using a bitmask as decision value
- * This is equivalent to (a & mask) | (b & ~mask)
- */
-
-static inline unsigned long comp(unsigned long a, unsigned long b,
- unsigned long mask)
-{
- return ((a ^ b) & mask) ^ b;
-}
-
-
- /*
- * Store a full block of planar data after c2p conversion
- */
-
-static inline void store_planar(char *dst, u32 dst_inc, u32 bpp, u32 d[8])
-{
- int i;
-
- for (i = 0; i < bpp; i++, dst += dst_inc)
- *(u32 *)dst = d[perm_c2p_8bpp[i]];
-}
-
-
- /*
- * Store a partial block of planar data after c2p conversion
- */
-
-static inline void store_planar_masked(char *dst, u32 dst_inc, u32 bpp,
- u32 d[8], u32 mask)
-{
- int i;
-
- for (i = 0; i < bpp; i++, dst += dst_inc)
- *(u32 *)dst = comp(d[perm_c2p_8bpp[i]], *(u32 *)dst, mask);
-}
-
-
- /*
- * c2p - Copy 8-bit chunky image data to a planar frame buffer
- * @dst: Starting address of the planar frame buffer
- * @dx: Horizontal destination offset (in pixels)
- * @dy: Vertical destination offset (in pixels)
- * @width: Image width (in pixels)
- * @height: Image height (in pixels)
- * @dst_nextline: Frame buffer offset to the next line (in bytes)
- * @dst_nextplane: Frame buffer offset to the next plane (in bytes)
- * @src_nextline: Image offset to the next line (in bytes)
- * @bpp: Bits per pixel of the planar frame buffer (1-8)
- */
-
-void c2p(u8 *dst, const u8 *src, u32 dx, u32 dy, u32 width, u32 height,
- u32 dst_nextline, u32 dst_nextplane, u32 src_nextline, u32 bpp)
-{
- int dst_idx;
- u32 d[8], first, last, w;
- const u8 *c;
- u8 *p;
-
- dst += dy*dst_nextline+(dx & ~31);
- dst_idx = dx % 32;
- first = ~0UL >> dst_idx;
- last = ~(~0UL >> ((dst_idx+width) % 32));
- while (height--) {
- c = src;
- p = dst;
- w = width;
- if (dst_idx+width <= 32) {
- /* Single destination word */
- first &= last;
- memset(d, 0, sizeof(d));
- memcpy((u8 *)d+dst_idx, c, width);
- c += width;
- c2p_8bpp(d);
- store_planar_masked(p, dst_nextplane, bpp, d, first);
- p += 4;
- } else {
- /* Multiple destination words */
- w = width;
- /* Leading bits */
- if (dst_idx) {
- w = 32 - dst_idx;
- memset(d, 0, dst_idx);
- memcpy((u8 *)d+dst_idx, c, w);
- c += w;
- c2p_8bpp(d);
- store_planar_masked(p, dst_nextplane, bpp, d, first);
- p += 4;
- w = width-w;
- }
- /* Main chunk */
- while (w >= 32) {
- memcpy(d, c, 32);
- c += 32;
- c2p_8bpp(d);
- store_planar(p, dst_nextplane, bpp, d);
- p += 4;
- w -= 32;
- }
- /* Trailing bits */
- w %= 32;
- if (w > 0) {
- memcpy(d, c, w);
- memset((u8 *)d+w, 0, 32-w);
- c2p_8bpp(d);
- store_planar_masked(p, dst_nextplane, bpp, d, last);
- }
- }
- src += src_nextline;
- dst += dst_nextline;
- }
-}
-EXPORT_SYMBOL_GPL(c2p);
-
-MODULE_LICENSE("GPL");
diff --git a/drivers/video/c2p.h b/drivers/video/c2p.h
index c77cbf17e04..6c38d40427d 100644
--- a/drivers/video/c2p.h
+++ b/drivers/video/c2p.h
@@ -1,7 +1,7 @@
/*
* Fast C2P (Chunky-to-Planar) Conversion
*
- * Copyright (C) 2003 Geert Uytterhoeven
+ * Copyright (C) 2003-2008 Geert Uytterhoeven
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
@@ -10,7 +10,10 @@
#include <linux/types.h>
-extern void c2p(u8 *dst, const u8 *src, u32 dx, u32 dy, u32 width, u32 height,
- u32 dst_nextline, u32 dst_nextplane, u32 src_nextline,
- u32 bpp);
+extern void c2p_planar(void *dst, const void *src, u32 dx, u32 dy, u32 width,
+ u32 height, u32 dst_nextline, u32 dst_nextplane,
+ u32 src_nextline, u32 bpp);
+extern void c2p_iplan2(void *dst, const void *src, u32 dx, u32 dy, u32 width,
+ u32 height, u32 dst_nextline, u32 src_nextline,
+ u32 bpp);
diff --git a/drivers/video/c2p_core.h b/drivers/video/c2p_core.h
new file mode 100644
index 00000000000..e1035a865fb
--- /dev/null
+++ b/drivers/video/c2p_core.h
@@ -0,0 +1,153 @@
+/*
+ * Fast C2P (Chunky-to-Planar) Conversion
+ *
+ * Copyright (C) 2003-2008 Geert Uytterhoeven
+ *
+ * NOTES:
+ * - This code was inspired by Scout's C2P tutorial
+ * - It assumes to run on a big endian system
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+
+ /*
+ * Basic transpose step
+ */
+
+static inline void _transp(u32 d[], unsigned int i1, unsigned int i2,
+ unsigned int shift, u32 mask)
+{
+ u32 t = (d[i1] ^ (d[i2] >> shift)) & mask;
+
+ d[i1] ^= t;
+ d[i2] ^= t << shift;
+}
+
+
+extern void c2p_unsupported(void);
+
+static inline u32 get_mask(unsigned int n)
+{
+ switch (n) {
+ case 1:
+ return 0x55555555;
+
+ case 2:
+ return 0x33333333;
+
+ case 4:
+ return 0x0f0f0f0f;
+
+ case 8:
+ return 0x00ff00ff;
+
+ case 16:
+ return 0x0000ffff;
+ }
+
+ c2p_unsupported();
+ return 0;
+}
+
+
+ /*
+ * Transpose operations on 8 32-bit words
+ */
+
+static inline void transp8(u32 d[], unsigned int n, unsigned int m)
+{
+ u32 mask = get_mask(n);
+
+ switch (m) {
+ case 1:
+ /* First n x 1 block */
+ _transp(d, 0, 1, n, mask);
+ /* Second n x 1 block */
+ _transp(d, 2, 3, n, mask);
+ /* Third n x 1 block */
+ _transp(d, 4, 5, n, mask);
+ /* Fourth n x 1 block */
+ _transp(d, 6, 7, n, mask);
+ return;
+
+ case 2:
+ /* First n x 2 block */
+ _transp(d, 0, 2, n, mask);
+ _transp(d, 1, 3, n, mask);
+ /* Second n x 2 block */
+ _transp(d, 4, 6, n, mask);
+ _transp(d, 5, 7, n, mask);
+ return;
+
+ case 4:
+ /* Single n x 4 block */
+ _transp(d, 0, 4, n, mask);
+ _transp(d, 1, 5, n, mask);
+ _transp(d, 2, 6, n, mask);
+ _transp(d, 3, 7, n, mask);
+ return;
+ }
+
+ c2p_unsupported();
+}
+
+
+ /*
+ * Transpose operations on 4 32-bit words
+ */
+
+static inline void transp4(u32 d[], unsigned int n, unsigned int m)
+{
+ u32 mask = get_mask(n);
+
+ switch (m) {
+ case 1:
+ /* First n x 1 block */
+ _transp(d, 0, 1, n, mask);
+ /* Second n x 1 block */
+ _transp(d, 2, 3, n, mask);
+ return;
+
+ case 2:
+ /* Single n x 2 block */
+ _transp(d, 0, 2, n, mask);
+ _transp(d, 1, 3, n, mask);
+ return;
+ }
+
+ c2p_unsupported();
+}
+
+
+ /*
+ * Transpose operations on 4 32-bit words (reverse order)
+ */
+
+static inline void transp4x(u32 d[], unsigned int n, unsigned int m)
+{
+ u32 mask = get_mask(n);
+
+ switch (m) {
+ case 2:
+ /* Single n x 2 block */
+ _transp(d, 2, 0, n, mask);
+ _transp(d, 3, 1, n, mask);
+ return;
+ }
+
+ c2p_unsupported();
+}
+
+
+ /*
+ * Compose two values, using a bitmask as decision value
+ * This is equivalent to (a & mask) | (b & ~mask)
+ */
+
+static inline u32 comp(u32 a, u32 b, u32 mask)
+{
+ return ((a ^ b) & mask) ^ b;
+}
diff --git a/drivers/video/c2p_iplan2.c b/drivers/video/c2p_iplan2.c
new file mode 100644
index 00000000000..19156dc6158
--- /dev/null
+++ b/drivers/video/c2p_iplan2.c
@@ -0,0 +1,153 @@
+/*
+ * Fast C2P (Chunky-to-Planar) Conversion
+ *
+ * Copyright (C) 2003-2008 Geert Uytterhoeven
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/string.h>
+
+#include <asm/unaligned.h>
+
+#include "c2p.h"
+#include "c2p_core.h"
+
+
+ /*
+ * Perform a full C2P step on 16 8-bit pixels, stored in 4 32-bit words
+ * containing
+ * - 16 8-bit chunky pixels on input
+ * - permutated planar data (2 planes per 32-bit word) on output
+ */
+
+static void c2p_16x8(u32 d[4])
+{
+ transp4(d, 8, 2);
+ transp4(d, 1, 2);
+ transp4x(d, 16, 2);
+ transp4x(d, 2, 2);
+ transp4(d, 4, 1);
+}
+
+
+ /*
+ * Array containing the permutation indices of the planar data after c2p
+ */
+
+static const int perm_c2p_16x8[4] = { 1, 3, 0, 2 };
+
+
+ /*
+ * Store a full block of iplan2 data after c2p conversion
+ */
+
+static inline void store_iplan2(void *dst, u32 bpp, u32 d[4])
+{
+ int i;
+
+ for (i = 0; i < bpp/2; i++, dst += 4)
+ put_unaligned_be32(d[perm_c2p_16x8[i]], dst);
+}
+
+
+ /*
+ * Store a partial block of iplan2 data after c2p conversion
+ */
+
+static inline void store_iplan2_masked(void *dst, u32 bpp, u32 d[4], u32 mask)
+{
+ int i;
+
+ for (i = 0; i < bpp/2; i++, dst += 4)
+ put_unaligned_be32(comp(d[perm_c2p_16x8[i]],
+ get_unaligned_be32(dst), mask),
+ dst);
+}
+
+
+ /*
+ * c2p_iplan2 - Copy 8-bit chunky image data to an interleaved planar
+ * frame buffer with 2 bytes of interleave
+ * @dst: Starting address of the planar frame buffer
+ * @dx: Horizontal destination offset (in pixels)
+ * @dy: Vertical destination offset (in pixels)
+ * @width: Image width (in pixels)
+ * @height: Image height (in pixels)
+ * @dst_nextline: Frame buffer offset to the next line (in bytes)
+ * @src_nextline: Image offset to the next line (in bytes)
+ * @bpp: Bits per pixel of the planar frame buffer (2, 4, or 8)
+ */
+
+void c2p_iplan2(void *dst, const void *src, u32 dx, u32 dy, u32 width,
+ u32 height, u32 dst_nextline, u32 src_nextline, u32 bpp)
+{
+ union {
+ u8 pixels[16];
+ u32 words[4];
+ } d;
+ u32 dst_idx, first, last, w;
+ const u8 *c;
+ void *p;
+
+ dst += dy*dst_nextline+(dx & ~15)*bpp;
+ dst_idx = dx % 16;
+ first = 0xffffU >> dst_idx;
+ first |= first << 16;
+ last = 0xffffU ^ (0xffffU >> ((dst_idx+width) % 16));
+ last |= last << 16;
+ while (height--) {
+ c = src;
+ p = dst;
+ w = width;
+ if (dst_idx+width <= 16) {
+ /* Single destination word */
+ first &= last;
+ memset(d.pixels, 0, sizeof(d));
+ memcpy(d.pixels+dst_idx, c, width);
+ c += width;
+ c2p_16x8(d.words);
+ store_iplan2_masked(p, bpp, d.words, first);
+ p += bpp*2;
+ } else {
+ /* Multiple destination words */
+ w = width;
+ /* Leading bits */
+ if (dst_idx) {
+ w = 16 - dst_idx;
+ memset(d.pixels, 0, dst_idx);
+ memcpy(d.pixels+dst_idx, c, w);
+ c += w;
+ c2p_16x8(d.words);
+ store_iplan2_masked(p, bpp, d.words, first);
+ p += bpp*2;
+ w = width-w;
+ }
+ /* Main chunk */
+ while (w >= 16) {
+ memcpy(d.pixels, c, 16);
+ c += 16;
+ c2p_16x8(d.words);
+ store_iplan2(p, bpp, d.words);
+ p += bpp*2;
+ w -= 16;
+ }
+ /* Trailing bits */
+ w %= 16;
+ if (w > 0) {
+ memcpy(d.pixels, c, w);
+ memset(d.pixels+w, 0, 16-w);
+ c2p_16x8(d.words);
+ store_iplan2_masked(p, bpp, d.words, last);
+ }
+ }
+ src += src_nextline;
+ dst += dst_nextline;
+ }
+}
+EXPORT_SYMBOL_GPL(c2p_iplan2);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/c2p_planar.c b/drivers/video/c2p_planar.c
new file mode 100644
index 00000000000..ec7ac8526f0
--- /dev/null
+++ b/drivers/video/c2p_planar.c
@@ -0,0 +1,156 @@
+/*
+ * Fast C2P (Chunky-to-Planar) Conversion
+ *
+ * Copyright (C) 2003-2008 Geert Uytterhoeven
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/string.h>
+
+#include <asm/unaligned.h>
+
+#include "c2p.h"
+#include "c2p_core.h"
+
+
+ /*
+ * Perform a full C2P step on 32 8-bit pixels, stored in 8 32-bit words
+ * containing
+ * - 32 8-bit chunky pixels on input
+ * - permutated planar data (1 plane per 32-bit word) on output
+ */
+
+static void c2p_32x8(u32 d[8])
+{
+ transp8(d, 16, 4);
+ transp8(d, 8, 2);
+ transp8(d, 4, 1);
+ transp8(d, 2, 4);
+ transp8(d, 1, 2);
+}
+
+
+ /*
+ * Array containing the permutation indices of the planar data after c2p
+ */
+
+static const int perm_c2p_32x8[8] = { 7, 5, 3, 1, 6, 4, 2, 0 };
+
+
+ /*
+ * Store a full block of planar data after c2p conversion
+ */
+
+static inline void store_planar(void *dst, u32 dst_inc, u32 bpp, u32 d[8])
+{
+ int i;
+
+ for (i = 0; i < bpp; i++, dst += dst_inc)
+ put_unaligned_be32(d[perm_c2p_32x8[i]], dst);
+}
+
+
+ /*
+ * Store a partial block of planar data after c2p conversion
+ */
+
+static inline void store_planar_masked(void *dst, u32 dst_inc, u32 bpp,
+ u32 d[8], u32 mask)
+{
+ int i;
+
+ for (i = 0; i < bpp; i++, dst += dst_inc)
+ put_unaligned_be32(comp(d[perm_c2p_32x8[i]],
+ get_unaligned_be32(dst), mask),
+ dst);
+}
+
+
+ /*
+ * c2p_planar - Copy 8-bit chunky image data to a planar frame buffer
+ * @dst: Starting address of the planar frame buffer
+ * @dx: Horizontal destination offset (in pixels)
+ * @dy: Vertical destination offset (in pixels)
+ * @width: Image width (in pixels)
+ * @height: Image height (in pixels)
+ * @dst_nextline: Frame buffer offset to the next line (in bytes)
+ * @dst_nextplane: Frame buffer offset to the next plane (in bytes)
+ * @src_nextline: Image offset to the next line (in bytes)
+ * @bpp: Bits per pixel of the planar frame buffer (1-8)
+ */
+
+void c2p_planar(void *dst, const void *src, u32 dx, u32 dy, u32 width,
+ u32 height, u32 dst_nextline, u32 dst_nextplane,
+ u32 src_nextline, u32 bpp)
+{
+ union {
+ u8 pixels[32];
+ u32 words[8];
+ } d;
+ u32 dst_idx, first, last, w;
+ const u8 *c;
+ void *p;
+
+ dst += dy*dst_nextline+(dx & ~31);
+ dst_idx = dx % 32;
+ first = 0xffffffffU >> dst_idx;
+ last = ~(0xffffffffU >> ((dst_idx+width) % 32));
+ while (height--) {
+ c = src;
+ p = dst;
+ w = width;
+ if (dst_idx+width <= 32) {
+ /* Single destination word */
+ first &= last;
+ memset(d.pixels, 0, sizeof(d));
+ memcpy(d.pixels+dst_idx, c, width);
+ c += width;
+ c2p_32x8(d.words);
+ store_planar_masked(p, dst_nextplane, bpp, d.words,
+ first);
+ p += 4;
+ } else {
+ /* Multiple destination words */
+ w = width;
+ /* Leading bits */
+ if (dst_idx) {
+ w = 32 - dst_idx;
+ memset(d.pixels, 0, dst_idx);
+ memcpy(d.pixels+dst_idx, c, w);
+ c += w;
+ c2p_32x8(d.words);
+ store_planar_masked(p, dst_nextplane, bpp,
+ d.words, first);
+ p += 4;
+ w = width-w;
+ }
+ /* Main chunk */
+ while (w >= 32) {
+ memcpy(d.pixels, c, 32);
+ c += 32;
+ c2p_32x8(d.words);
+ store_planar(p, dst_nextplane, bpp, d.words);
+ p += 4;
+ w -= 32;
+ }
+ /* Trailing bits */
+ w %= 32;
+ if (w > 0) {
+ memcpy(d.pixels, c, w);
+ memset(d.pixels+w, 0, 32-w);
+ c2p_32x8(d.words);
+ store_planar_masked(p, dst_nextplane, bpp,
+ d.words, last);
+ }
+ }
+ src += src_nextline;
+ dst += dst_nextline;
+ }
+}
+EXPORT_SYMBOL_GPL(c2p_planar);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 4bcff81b50e..1657b9608b0 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -78,13 +78,6 @@
#include <asm/fb.h>
#include <asm/irq.h>
#include <asm/system.h>
-#ifdef CONFIG_ATARI
-#include <asm/atariints.h>
-#endif
-#if defined(__mc68000__)
-#include <asm/machdep.h>
-#include <asm/setup.h>
-#endif
#include "fbcon.h"
@@ -155,9 +148,6 @@ static int fbcon_set_origin(struct vc_data *);
#define CURSOR_DRAW_DELAY (1)
-/* # VBL ints between cursor state changes */
-#define ATARI_CURSOR_BLINK_RATE (42)
-
static int vbl_cursor_cnt;
static int fbcon_cursor_noblink;
@@ -403,20 +393,6 @@ static void fb_flashcursor(struct work_struct *work)
release_console_sem();
}
-#ifdef CONFIG_ATARI
-static int cursor_blink_rate;
-static irqreturn_t fb_vbl_handler(int irq, void *dev_id)
-{
- struct fb_info *info = dev_id;
-
- if (vbl_cursor_cnt && --vbl_cursor_cnt == 0) {
- schedule_work(&info->queue);
- vbl_cursor_cnt = cursor_blink_rate;
- }
- return IRQ_HANDLED;
-}
-#endif
-
static void cursor_timer_handler(unsigned long dev_addr)
{
struct fb_info *info = (struct fb_info *) dev_addr;
@@ -1017,15 +993,6 @@ static const char *fbcon_startup(void)
info->var.yres,
info->var.bits_per_pixel);
-#ifdef CONFIG_ATARI
- if (MACH_IS_ATARI) {
- cursor_blink_rate = ATARI_CURSOR_BLINK_RATE;
- (void)request_irq(IRQ_AUTO_4, fb_vbl_handler,
- IRQ_TYPE_PRIO, "framebuffer vbl",
- info);
- }
-#endif /* CONFIG_ATARI */
-
fbcon_add_cursor_timer(info);
fbcon_has_exited = 0;
return display_desc;
@@ -3454,11 +3421,6 @@ static void fbcon_exit(void)
if (fbcon_has_exited)
return;
-#ifdef CONFIG_ATARI
- if (MACH_IS_ATARI)
- free_irq(IRQ_AUTO_4, fb_vbl_handler);
-#endif
-
kfree((void *)softback_buf);
softback_buf = 0UL;
diff --git a/drivers/zorro/.gitignore b/drivers/zorro/.gitignore
new file mode 100644
index 00000000000..34f980bd8ff
--- /dev/null
+++ b/drivers/zorro/.gitignore
@@ -0,0 +1,2 @@
+devlist.h
+gen-devlist
diff --git a/drivers/zorro/zorro-sysfs.c b/drivers/zorro/zorro-sysfs.c
index 5290552d2ef..1d2a772ea14 100644
--- a/drivers/zorro/zorro-sysfs.c
+++ b/drivers/zorro/zorro-sysfs.c
@@ -77,17 +77,21 @@ static struct bin_attribute zorro_config_attr = {
.read = zorro_read_config,
};
-void zorro_create_sysfs_dev_files(struct zorro_dev *z)
+int zorro_create_sysfs_dev_files(struct zorro_dev *z)
{
struct device *dev = &z->dev;
+ int error;
/* current configuration's attributes */
- device_create_file(dev, &dev_attr_id);
- device_create_file(dev, &dev_attr_type);
- device_create_file(dev, &dev_attr_serial);
- device_create_file(dev, &dev_attr_slotaddr);
- device_create_file(dev, &dev_attr_slotsize);
- device_create_file(dev, &dev_attr_resource);
- sysfs_create_bin_file(&dev->kobj, &zorro_config_attr);
+ if ((error = device_create_file(dev, &dev_attr_id)) ||
+ (error = device_create_file(dev, &dev_attr_type)) ||
+ (error = device_create_file(dev, &dev_attr_serial)) ||
+ (error = device_create_file(dev, &dev_attr_slotaddr)) ||
+ (error = device_create_file(dev, &dev_attr_slotsize)) ||
+ (error = device_create_file(dev, &dev_attr_resource)) ||
+ (error = sysfs_create_bin_file(&dev->kobj, &zorro_config_attr)))
+ return error;
+
+ return 0;
}
diff --git a/drivers/zorro/zorro.c b/drivers/zorro/zorro.c
index dff16d9767d..a1585d6f648 100644
--- a/drivers/zorro/zorro.c
+++ b/drivers/zorro/zorro.c
@@ -130,6 +130,7 @@ static int __init zorro_init(void)
{
struct zorro_dev *z;
unsigned int i;
+ int error;
if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
return 0;
@@ -140,7 +141,11 @@ static int __init zorro_init(void)
/* Initialize the Zorro bus */
INIT_LIST_HEAD(&zorro_bus.devices);
strcpy(zorro_bus.dev.bus_id, "zorro");
- device_register(&zorro_bus.dev);
+ error = device_register(&zorro_bus.dev);
+ if (error) {
+ pr_err("Zorro: Error registering zorro_bus\n");
+ return error;
+ }
/* Request the resources */
zorro_bus.num_resources = AMIGAHW_PRESENT(ZORRO3) ? 4 : 2;
@@ -160,15 +165,19 @@ static int __init zorro_init(void)
zorro_name_device(z);
z->resource.name = z->name;
if (request_resource(zorro_find_parent_resource(z), &z->resource))
- printk(KERN_ERR "Zorro: Address space collision on device %s "
- "[%lx:%lx]\n",
- z->name, (unsigned long)zorro_resource_start(z),
- (unsigned long)zorro_resource_end(z));
+ pr_err("Zorro: Address space collision on device %s %pR\n",
+ z->name, &z->resource);
sprintf(z->dev.bus_id, "%02x", i);
z->dev.parent = &zorro_bus.dev;
z->dev.bus = &zorro_bus_type;
- device_register(&z->dev);
- zorro_create_sysfs_dev_files(z);
+ error = device_register(&z->dev);
+ if (error) {
+ pr_err("Zorro: Error registering device %s\n", z->name);
+ continue;
+ }
+ error = zorro_create_sysfs_dev_files(z);
+ if (error)
+ dev_err(&z->dev, "Error creating sysfs files\n");
}
/* Mark all available Zorro II memory */
diff --git a/drivers/zorro/zorro.h b/drivers/zorro/zorro.h
index 5c91adac4df..b682d5ccd63 100644
--- a/drivers/zorro/zorro.h
+++ b/drivers/zorro/zorro.h
@@ -1,4 +1,4 @@
extern void zorro_name_device(struct zorro_dev *z);
-extern void zorro_create_sysfs_dev_files(struct zorro_dev *z);
+extern int zorro_create_sysfs_dev_files(struct zorro_dev *z);