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authorDmitry Torokhov <dtor@insightbb.com>2006-12-08 01:07:56 -0500
committerDmitry Torokhov <dtor@insightbb.com>2006-12-08 01:07:56 -0500
commitbef986502fa398b1785a3979b1aa17cd902d3527 (patch)
treeb59c1afe7b1dfcc001b86e54863f550d7ddc8c34 /drivers/macintosh
parent4bdbd2807deeccc0793d57fb5120d7a53f2c0b3c (diff)
parentc99767974ebd2a719d849fdeaaa1674456f5283f (diff)
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/usb/input/hid.h
Diffstat (limited to 'drivers/macintosh')
-rw-r--r--drivers/macintosh/Kconfig7
-rw-r--r--drivers/macintosh/Makefile1
-rw-r--r--drivers/macintosh/adb.c4
-rw-r--r--drivers/macintosh/apm_emu.c3
-rw-r--r--drivers/macintosh/rack-meter.c616
-rw-r--r--drivers/macintosh/smu.c7
-rw-r--r--drivers/macintosh/therm_adt746x.c3
-rw-r--r--drivers/macintosh/therm_pm72.c5
-rw-r--r--drivers/macintosh/therm_windtunnel.c7
-rw-r--r--drivers/macintosh/via-pmu.c2
-rw-r--r--drivers/macintosh/windfarm_core.c1
-rw-r--r--drivers/macintosh/windfarm_pm112.c11
-rw-r--r--drivers/macintosh/windfarm_pm81.c1
-rw-r--r--drivers/macintosh/windfarm_pm91.c1
14 files changed, 656 insertions, 13 deletions
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index 31015d55d35..a9e747c3979 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -227,4 +227,11 @@ config ANSLCD
tristate "Support for ANS LCD display"
depends on ADB_CUDA && PPC_PMAC
+config PMAC_RACKMETER
+ tristate "Support for Apple XServe front panel LEDs"
+ depends on PPC_PMAC
+ help
+ This driver procides some support to control the front panel
+ blue LEDs "vu-meter" of the XServer macs.
+
endmenu
diff --git a/drivers/macintosh/Makefile b/drivers/macintosh/Makefile
index b53d45f87b0..2dfc3f4eaf4 100644
--- a/drivers/macintosh/Makefile
+++ b/drivers/macintosh/Makefile
@@ -42,3 +42,4 @@ obj-$(CONFIG_WINDFARM_PM112) += windfarm_pm112.o windfarm_smu_sat.o \
windfarm_smu_sensors.o \
windfarm_max6690_sensor.o \
windfarm_lm75_sensor.o windfarm_pid.o
+obj-$(CONFIG_PMAC_RACKMETER) += rack-meter.o
diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
index be0bd34ff6f..d43ea81d6df 100644
--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -267,12 +267,12 @@ adb_probe_task(void *x)
}
static void
-__adb_probe_task(void *data)
+__adb_probe_task(struct work_struct *bullshit)
{
adb_probe_task_pid = kernel_thread(adb_probe_task, NULL, SIGCHLD | CLONE_KERNEL);
}
-static DECLARE_WORK(adb_reset_work, __adb_probe_task, NULL);
+static DECLARE_WORK(adb_reset_work, __adb_probe_task);
int
adb_reset_bus(void)
diff --git a/drivers/macintosh/apm_emu.c b/drivers/macintosh/apm_emu.c
index 1293876a2eb..8862a83b8d8 100644
--- a/drivers/macintosh/apm_emu.c
+++ b/drivers/macintosh/apm_emu.c
@@ -529,7 +529,8 @@ static int __init apm_emu_init(void)
if (apm_proc)
apm_proc->owner = THIS_MODULE;
- misc_register(&apm_device);
+ if (misc_register(&apm_device) != 0)
+ printk(KERN_INFO "Could not create misc. device for apm\n");
pmu_register_sleep_notifier(&apm_sleep_notifier);
diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
new file mode 100644
index 00000000000..5ed41fe84e5
--- /dev/null
+++ b/drivers/macintosh/rack-meter.c
@@ -0,0 +1,616 @@
+/*
+ * RackMac vu-meter driver
+ *
+ * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
+ * <benh@kernel.crashing.org>
+ *
+ * Released under the term of the GNU GPL v2.
+ *
+ * Support the CPU-meter LEDs of the Xserve G5
+ *
+ * TODO: Implement PWM to do variable intensity and provide userland
+ * interface for fun. Also, the CPU-meter could be made nicer by being
+ * a bit less "immediate" but giving instead a more average load over
+ * time. Patches welcome :-)
+ *
+ */
+#undef DEBUG
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/kernel_stat.h>
+
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/machdep.h>
+#include <asm/pmac_feature.h>
+#include <asm/dbdma.h>
+#include <asm/dbdma.h>
+#include <asm/macio.h>
+#include <asm/keylargo.h>
+
+/* Number of samples in a sample buffer */
+#define SAMPLE_COUNT 256
+
+/* CPU meter sampling rate in ms */
+#define CPU_SAMPLING_RATE 250
+
+struct rackmeter_dma {
+ struct dbdma_cmd cmd[4] ____cacheline_aligned;
+ u32 mark ____cacheline_aligned;
+ u32 buf1[SAMPLE_COUNT] ____cacheline_aligned;
+ u32 buf2[SAMPLE_COUNT] ____cacheline_aligned;
+} ____cacheline_aligned;
+
+struct rackmeter_cpu {
+ struct delayed_work sniffer;
+ struct rackmeter *rm;
+ cputime64_t prev_wall;
+ cputime64_t prev_idle;
+ int zero;
+} ____cacheline_aligned;
+
+struct rackmeter {
+ struct macio_dev *mdev;
+ unsigned int irq;
+ struct device_node *i2s;
+ u8 *ubuf;
+ struct dbdma_regs __iomem *dma_regs;
+ void __iomem *i2s_regs;
+ dma_addr_t dma_buf_p;
+ struct rackmeter_dma *dma_buf_v;
+ int stale_irq;
+ struct rackmeter_cpu cpu[2];
+ int paused;
+ struct mutex sem;
+};
+
+/* To be set as a tunable */
+static int rackmeter_ignore_nice;
+
+/* This GPIO is whacked by the OS X driver when initializing */
+#define RACKMETER_MAGIC_GPIO 0x78
+
+/* This is copied from cpufreq_ondemand, maybe we should put it in
+ * a common header somewhere
+ */
+static inline cputime64_t get_cpu_idle_time(unsigned int cpu)
+{
+ cputime64_t retval;
+
+ retval = cputime64_add(kstat_cpu(cpu).cpustat.idle,
+ kstat_cpu(cpu).cpustat.iowait);
+
+ if (rackmeter_ignore_nice)
+ retval = cputime64_add(retval, kstat_cpu(cpu).cpustat.nice);
+
+ return retval;
+}
+
+static void rackmeter_setup_i2s(struct rackmeter *rm)
+{
+ struct macio_chip *macio = rm->mdev->bus->chip;
+
+ /* First whack magic GPIO */
+ pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, RACKMETER_MAGIC_GPIO, 5);
+
+
+ /* Call feature code to enable the sound channel and the proper
+ * clock sources
+ */
+ pmac_call_feature(PMAC_FTR_SOUND_CHIP_ENABLE, rm->i2s, 0, 1);
+
+ /* Power i2s and stop i2s clock. We whack MacIO FCRs directly for now.
+ * This is a bit racy, thus we should add new platform functions to
+ * handle that. snd-aoa needs that too
+ */
+ MACIO_BIS(KEYLARGO_FCR1, KL1_I2S0_ENABLE);
+ MACIO_BIC(KEYLARGO_FCR1, KL1_I2S0_CLK_ENABLE_BIT);
+ (void)MACIO_IN32(KEYLARGO_FCR1);
+ udelay(10);
+
+ /* Then setup i2s. For now, we use the same magic value that
+ * the OS X driver seems to use. We might want to play around
+ * with the clock divisors later
+ */
+ out_le32(rm->i2s_regs + 0x10, 0x01fa0000);
+ (void)in_le32(rm->i2s_regs + 0x10);
+ udelay(10);
+
+ /* Fully restart i2s*/
+ MACIO_BIS(KEYLARGO_FCR1, KL1_I2S0_CELL_ENABLE |
+ KL1_I2S0_CLK_ENABLE_BIT);
+ (void)MACIO_IN32(KEYLARGO_FCR1);
+ udelay(10);
+}
+
+static void rackmeter_set_default_pattern(struct rackmeter *rm)
+{
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ if (i < 8)
+ rm->ubuf[i] = (i & 1) * 255;
+ else
+ rm->ubuf[i] = ((~i) & 1) * 255;
+ }
+}
+
+static void rackmeter_do_pause(struct rackmeter *rm, int pause)
+{
+ struct rackmeter_dma *rdma = rm->dma_buf_v;
+
+ pr_debug("rackmeter: %s\n", pause ? "paused" : "started");
+
+ rm->paused = pause;
+ if (pause) {
+ DBDMA_DO_STOP(rm->dma_regs);
+ return;
+ }
+ memset(rdma->buf1, 0, SAMPLE_COUNT & sizeof(u32));
+ memset(rdma->buf2, 0, SAMPLE_COUNT & sizeof(u32));
+
+ rm->dma_buf_v->mark = 0;
+
+ mb();
+ out_le32(&rm->dma_regs->cmdptr_hi, 0);
+ out_le32(&rm->dma_regs->cmdptr, rm->dma_buf_p);
+ out_le32(&rm->dma_regs->control, (RUN << 16) | RUN);
+}
+
+static void rackmeter_setup_dbdma(struct rackmeter *rm)
+{
+ struct rackmeter_dma *db = rm->dma_buf_v;
+ struct dbdma_cmd *cmd = db->cmd;
+
+ /* Make sure dbdma is reset */
+ DBDMA_DO_RESET(rm->dma_regs);
+
+ pr_debug("rackmeter: mark offset=0x%lx\n",
+ offsetof(struct rackmeter_dma, mark));
+ pr_debug("rackmeter: buf1 offset=0x%lx\n",
+ offsetof(struct rackmeter_dma, buf1));
+ pr_debug("rackmeter: buf2 offset=0x%lx\n",
+ offsetof(struct rackmeter_dma, buf2));
+
+ /* Prepare 4 dbdma commands for the 2 buffers */
+ memset(cmd, 0, 4 * sizeof(struct dbdma_cmd));
+ st_le16(&cmd->req_count, 4);
+ st_le16(&cmd->command, STORE_WORD | INTR_ALWAYS | KEY_SYSTEM);
+ st_le32(&cmd->phy_addr, rm->dma_buf_p +
+ offsetof(struct rackmeter_dma, mark));
+ st_le32(&cmd->cmd_dep, 0x02000000);
+ cmd++;
+
+ st_le16(&cmd->req_count, SAMPLE_COUNT * 4);
+ st_le16(&cmd->command, OUTPUT_MORE);
+ st_le32(&cmd->phy_addr, rm->dma_buf_p +
+ offsetof(struct rackmeter_dma, buf1));
+ cmd++;
+
+ st_le16(&cmd->req_count, 4);
+ st_le16(&cmd->command, STORE_WORD | INTR_ALWAYS | KEY_SYSTEM);
+ st_le32(&cmd->phy_addr, rm->dma_buf_p +
+ offsetof(struct rackmeter_dma, mark));
+ st_le32(&cmd->cmd_dep, 0x01000000);
+ cmd++;
+
+ st_le16(&cmd->req_count, SAMPLE_COUNT * 4);
+ st_le16(&cmd->command, OUTPUT_MORE | BR_ALWAYS);
+ st_le32(&cmd->phy_addr, rm->dma_buf_p +
+ offsetof(struct rackmeter_dma, buf2));
+ st_le32(&cmd->cmd_dep, rm->dma_buf_p);
+
+ rackmeter_do_pause(rm, 0);
+}
+
+static void rackmeter_do_timer(struct work_struct *work)
+{
+ struct rackmeter_cpu *rcpu =
+ container_of(work, struct rackmeter_cpu, sniffer.work);
+ struct rackmeter *rm = rcpu->rm;
+ unsigned int cpu = smp_processor_id();
+ cputime64_t cur_jiffies, total_idle_ticks;
+ unsigned int total_ticks, idle_ticks;
+ int i, offset, load, cumm, pause;
+
+ cur_jiffies = jiffies64_to_cputime64(get_jiffies_64());
+ total_ticks = (unsigned int)cputime64_sub(cur_jiffies,
+ rcpu->prev_wall);
+ rcpu->prev_wall = cur_jiffies;
+
+ total_idle_ticks = get_cpu_idle_time(cpu);
+ idle_ticks = (unsigned int) cputime64_sub(total_idle_ticks,
+ rcpu->prev_idle);
+ rcpu->prev_idle = total_idle_ticks;
+
+ /* We do a very dumb calculation to update the LEDs for now,
+ * we'll do better once we have actual PWM implemented
+ */
+ load = (9 * (total_ticks - idle_ticks)) / total_ticks;
+
+ offset = cpu << 3;
+ cumm = 0;
+ for (i = 0; i < 8; i++) {
+ u8 ub = (load > i) ? 0xff : 0;
+ rm->ubuf[i + offset] = ub;
+ cumm |= ub;
+ }
+ rcpu->zero = (cumm == 0);
+
+ /* Now check if LEDs are all 0, we can stop DMA */
+ pause = (rm->cpu[0].zero && rm->cpu[1].zero);
+ if (pause != rm->paused) {
+ mutex_lock(&rm->sem);
+ pause = (rm->cpu[0].zero && rm->cpu[1].zero);
+ rackmeter_do_pause(rm, pause);
+ mutex_unlock(&rm->sem);
+ }
+ schedule_delayed_work_on(cpu, &rcpu->sniffer,
+ msecs_to_jiffies(CPU_SAMPLING_RATE));
+}
+
+static void __devinit rackmeter_init_cpu_sniffer(struct rackmeter *rm)
+{
+ unsigned int cpu;
+
+ /* This driver works only with 1 or 2 CPUs numbered 0 and 1,
+ * but that's really all we have on Apple Xserve. It doesn't
+ * play very nice with CPU hotplug neither but we don't do that
+ * on those machines yet
+ */
+
+ rm->cpu[0].rm = rm;
+ INIT_DELAYED_WORK(&rm->cpu[0].sniffer, rackmeter_do_timer);
+ rm->cpu[1].rm = rm;
+ INIT_DELAYED_WORK(&rm->cpu[1].sniffer, rackmeter_do_timer);
+
+ for_each_online_cpu(cpu) {
+ struct rackmeter_cpu *rcpu;
+
+ if (cpu > 1)
+ continue;
+ rcpu = &rm->cpu[cpu];;
+ rcpu->prev_idle = get_cpu_idle_time(cpu);
+ rcpu->prev_wall = jiffies64_to_cputime64(get_jiffies_64());
+ schedule_delayed_work_on(cpu, &rm->cpu[cpu].sniffer,
+ msecs_to_jiffies(CPU_SAMPLING_RATE));
+ }
+}
+
+static void __devexit rackmeter_stop_cpu_sniffer(struct rackmeter *rm)
+{
+ cancel_rearming_delayed_work(&rm->cpu[0].sniffer);
+ cancel_rearming_delayed_work(&rm->cpu[1].sniffer);
+}
+
+static int rackmeter_setup(struct rackmeter *rm)
+{
+ pr_debug("rackmeter: setting up i2s..\n");
+ rackmeter_setup_i2s(rm);
+
+ pr_debug("rackmeter: setting up default pattern..\n");
+ rackmeter_set_default_pattern(rm);
+
+ pr_debug("rackmeter: setting up dbdma..\n");
+ rackmeter_setup_dbdma(rm);
+
+ pr_debug("rackmeter: start CPU measurements..\n");
+ rackmeter_init_cpu_sniffer(rm);
+
+ printk(KERN_INFO "RackMeter initialized\n");
+
+ return 0;
+}
+
+/* XXX FIXME: No PWM yet, this is 0/1 */
+static u32 rackmeter_calc_sample(struct rackmeter *rm, unsigned int index)
+{
+ int led;
+ u32 sample = 0;
+
+ for (led = 0; led < 16; led++) {
+ sample >>= 1;
+ sample |= ((rm->ubuf[led] >= 0x80) << 15);
+ }
+ return (sample << 17) | (sample >> 15);
+}
+
+static irqreturn_t rackmeter_irq(int irq, void *arg)
+{
+ struct rackmeter *rm = arg;
+ struct rackmeter_dma *db = rm->dma_buf_v;
+ unsigned int mark, i;
+ u32 *buf;
+
+ /* Flush PCI buffers with an MMIO read. Maybe we could actually
+ * check the status one day ... in case things go wrong, though
+ * this never happened to me
+ */
+ (void)in_le32(&rm->dma_regs->status);
+
+ /* Make sure the CPU gets us in order */
+ rmb();
+
+ /* Read mark */
+ mark = db->mark;
+ if (mark != 1 && mark != 2) {
+ printk(KERN_WARNING "rackmeter: Incorrect DMA mark 0x%08x\n",
+ mark);
+ /* We allow for 3 errors like that (stale DBDMA irqs) */
+ if (++rm->stale_irq > 3) {
+ printk(KERN_ERR "rackmeter: Too many errors,"
+ " stopping DMA\n");
+ DBDMA_DO_RESET(rm->dma_regs);
+ }
+ return IRQ_HANDLED;
+ }
+
+ /* Next buffer we need to fill is mark value */
+ buf = mark == 1 ? db->buf1 : db->buf2;
+
+ /* Fill it now. This routine converts the 8 bits depth sample array
+ * into the PWM bitmap for each LED.
+ */
+ for (i = 0; i < SAMPLE_COUNT; i++)
+ buf[i] = rackmeter_calc_sample(rm, i);
+
+
+ return IRQ_HANDLED;
+}
+
+static int __devinit rackmeter_probe(struct macio_dev* mdev,
+ const struct of_device_id *match)
+{
+ struct device_node *i2s = NULL, *np = NULL;
+ struct rackmeter *rm = NULL;
+ struct resource ri2s, rdma;
+ int rc = -ENODEV;
+
+ pr_debug("rackmeter_probe()\n");
+
+ /* Get i2s-a node */
+ while ((i2s = of_get_next_child(mdev->ofdev.node, i2s)) != NULL)
+ if (strcmp(i2s->name, "i2s-a") == 0)
+ break;
+ if (i2s == NULL) {
+ pr_debug(" i2s-a child not found\n");
+ goto bail;
+ }
+ /* Get lightshow or virtual sound */
+ while ((np = of_get_next_child(i2s, np)) != NULL) {
+ if (strcmp(np->name, "lightshow") == 0)
+ break;
+ if ((strcmp(np->name, "sound") == 0) &&
+ get_property(np, "virtual", NULL) != NULL)
+ break;
+ }
+ if (np == NULL) {
+ pr_debug(" lightshow or sound+virtual child not found\n");
+ goto bail;
+ }
+
+ /* Create and initialize our instance data */
+ rm = kzalloc(sizeof(struct rackmeter), GFP_KERNEL);
+ if (rm == NULL) {
+ printk(KERN_ERR "rackmeter: failed to allocate memory !\n");
+ rc = -ENOMEM;
+ goto bail_release;
+ }
+ rm->mdev = mdev;
+ rm->i2s = i2s;
+ mutex_init(&rm->sem);
+ dev_set_drvdata(&mdev->ofdev.dev, rm);
+ /* Check resources availability. We need at least resource 0 and 1 */
+#if 0 /* Use that when i2s-a is finally an mdev per-se */
+ if (macio_resource_count(mdev) < 2 || macio_irq_count(mdev) < 2) {
+ printk(KERN_ERR
+ "rackmeter: found match but lacks resources: %s"
+ " (%d resources, %d interrupts)\n",
+ mdev->ofdev.node->full_name);
+ rc = -ENXIO;
+ goto bail_free;
+ }
+ if (macio_request_resources(mdev, "rackmeter")) {
+ printk(KERN_ERR
+ "rackmeter: failed to request resources: %s\n",
+ mdev->ofdev.node->full_name);
+ rc = -EBUSY;
+ goto bail_free;
+ }
+ rm->irq = macio_irq(mdev, 1);
+#else
+ rm->irq = irq_of_parse_and_map(i2s, 1);
+ if (rm->irq == NO_IRQ ||
+ of_address_to_resource(i2s, 0, &ri2s) ||
+ of_address_to_resource(i2s, 1, &rdma)) {
+ printk(KERN_ERR
+ "rackmeter: found match but lacks resources: %s",
+ mdev->ofdev.node->full_name);
+ rc = -ENXIO;
+ goto bail_free;
+ }
+#endif
+
+ pr_debug(" i2s @0x%08x\n", (unsigned int)ri2s.start);
+ pr_debug(" dma @0x%08x\n", (unsigned int)rdma.start);
+ pr_debug(" irq %d\n", rm->irq);
+
+ rm->ubuf = (u8 *)__get_free_page(GFP_KERNEL);
+ if (rm->ubuf == NULL) {
+ printk(KERN_ERR
+ "rackmeter: failed to allocate samples page !\n");
+ rc = -ENOMEM;
+ goto bail_release;
+ }
+
+ rm->dma_buf_v = dma_alloc_coherent(&macio_get_pci_dev(mdev)->dev,
+ sizeof(struct rackmeter_dma),
+ &rm->dma_buf_p, GFP_KERNEL);
+ if (rm->dma_buf_v == NULL) {
+ printk(KERN_ERR
+ "rackmeter: failed to allocate dma buffer !\n");
+ rc = -ENOMEM;
+ goto bail_free_samples;
+ }
+#if 0
+ rm->i2s_regs = ioremap(macio_resource_start(mdev, 0), 0x1000);
+#else
+ rm->i2s_regs = ioremap(ri2s.start, 0x1000);
+#endif
+ if (rm->i2s_regs == NULL) {
+ printk(KERN_ERR
+ "rackmeter: failed to map i2s registers !\n");
+ rc = -ENXIO;
+ goto bail_free_dma;
+ }
+#if 0
+ rm->dma_regs = ioremap(macio_resource_start(mdev, 1), 0x100);
+#else
+ rm->dma_regs = ioremap(rdma.start, 0x100);
+#endif
+ if (rm->dma_regs == NULL) {
+ printk(KERN_ERR
+ "rackmeter: failed to map dma registers !\n");
+ rc = -ENXIO;
+ goto bail_unmap_i2s;
+ }
+
+ rc = rackmeter_setup(rm);
+ if (rc) {
+ printk(KERN_ERR
+ "rackmeter: failed to initialize !\n");
+ rc = -ENXIO;
+ goto bail_unmap_dma;
+ }
+
+ rc = request_irq(rm->irq, rackmeter_irq, 0, "rackmeter", rm);
+ if (rc != 0) {
+ printk(KERN_ERR
+ "rackmeter: failed to request interrupt !\n");
+ goto bail_stop_dma;
+ }
+ of_node_put(np);
+ return 0;
+
+ bail_stop_dma:
+ DBDMA_DO_RESET(rm->dma_regs);
+ bail_unmap_dma:
+ iounmap(rm->dma_regs);
+ bail_unmap_i2s:
+ iounmap(rm->i2s_regs);
+ bail_free_dma:
+ dma_free_coherent(&macio_get_pci_dev(mdev)->dev,
+ sizeof(struct rackmeter_dma),
+ rm->dma_buf_v, rm->dma_buf_p);
+ bail_free_samples:
+ free_page((unsigned long)rm->ubuf);
+ bail_release:
+#if 0
+ macio_release_resources(mdev);
+#endif
+ bail_free:
+ kfree(rm);
+ bail:
+ of_node_put(i2s);
+ of_node_put(np);
+ dev_set_drvdata(&mdev->ofdev.dev, NULL);
+ return rc;
+}
+
+static int __devexit rackmeter_remove(struct macio_dev* mdev)
+{
+ struct rackmeter *rm = dev_get_drvdata(&mdev->ofdev.dev);
+
+ /* Stop CPU sniffer timer & work queues */
+ rackmeter_stop_cpu_sniffer(rm);
+
+ /* Clear reference to private data */
+ dev_set_drvdata(&mdev->ofdev.dev, NULL);
+
+ /* Stop/reset dbdma */
+ DBDMA_DO_RESET(rm->dma_regs);
+
+ /* Release the IRQ */
+ free_irq(rm->irq, rm);
+
+ /* Unmap registers */
+ iounmap(rm->dma_regs);
+ iounmap(rm->i2s_regs);
+
+ /* Free DMA */
+ dma_free_coherent(&macio_get_pci_dev(mdev)->dev,
+ sizeof(struct rackmeter_dma),
+ rm->dma_buf_v, rm->dma_buf_p);
+
+ /* Free samples */
+ free_page((unsigned long)rm->ubuf);
+
+#if 0
+ /* Release resources */
+ macio_release_resources(mdev);
+#endif
+
+ /* Get rid of me */
+ kfree(rm);
+
+ return 0;
+}
+
+static int rackmeter_shutdown(struct macio_dev* mdev)
+{
+ struct rackmeter *rm = dev_get_drvdata(&mdev->ofdev.dev);
+
+ if (rm == NULL)
+ return -ENODEV;
+
+ /* Stop CPU sniffer timer & work queues */
+ rackmeter_stop_cpu_sniffer(rm);
+
+ /* Stop/reset dbdma */
+ DBDMA_DO_RESET(rm->dma_regs);
+
+ return 0;
+}
+
+static struct of_device_id rackmeter_match[] = {
+ { .name = "i2s" },
+ { }
+};
+
+static struct macio_driver rackmeter_drv = {
+ .name = "rackmeter",
+ .owner = THIS_MODULE,
+ .match_table = rackmeter_match,
+ .probe = rackmeter_probe,
+ .remove = rackmeter_remove,
+ .shutdown = rackmeter_shutdown,
+};
+
+
+static int __init rackmeter_init(void)
+{
+ pr_debug("rackmeter_init()\n");
+
+ return macio_register_driver(&rackmeter_drv);
+}
+
+static void __exit rackmeter_exit(void)
+{
+ pr_debug("rackmeter_exit()\n");
+
+ macio_unregister_driver(&rackmeter_drv);
+}
+
+module_init(rackmeter_init);
+module_exit(rackmeter_exit);
+
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Benjamin Herrenschmidt <benh@kernel.crashing.org>");
+MODULE_DESCRIPTION("RackMeter: Support vu-meter on XServe front panel");
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index ade25b3fbb3..6dde27ab79a 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -46,6 +46,7 @@
#include <asm/abs_addr.h>
#include <asm/uaccess.h>
#include <asm/of_device.h>
+#include <asm/of_platform.h>
#define VERSION "0.7"
#define AUTHOR "(c) 2005 Benjamin Herrenschmidt, IBM Corp."
@@ -600,7 +601,7 @@ core_initcall(smu_late_init);
* sysfs visibility
*/
-static void smu_expose_childs(void *unused)
+static void smu_expose_childs(struct work_struct *unused)
{
struct device_node *np;
@@ -610,7 +611,7 @@ static void smu_expose_childs(void *unused)
&smu->of_dev->dev);
}
-static DECLARE_WORK(smu_expose_childs_work, smu_expose_childs, NULL);
+static DECLARE_WORK(smu_expose_childs_work, smu_expose_childs);
static int smu_platform_probe(struct of_device* dev,
const struct of_device_id *match)
@@ -653,7 +654,7 @@ static int __init smu_init_sysfs(void)
* I'm a bit too far from figuring out how that works with those
* new chipsets, but that will come back and bite us
*/
- of_register_driver(&smu_of_platform_driver);
+ of_register_platform_driver(&smu_of_platform_driver);
return 0;
}
diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c
index a0f30d0853e..3d3bf1643e7 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -24,13 +24,14 @@
#include <linux/suspend.h>
#include <linux/kthread.h>
#include <linux/moduleparam.h>
+#include <linux/freezer.h>
#include <asm/prom.h>
#include <asm/machdep.h>
#include <asm/io.h>
#include <asm/system.h>
#include <asm/sections.h>
-#include <asm/of_device.h>
+#include <asm/of_platform.h>
#undef DEBUG
diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
index d00c0c37a12..2e4ad44a863 100644
--- a/drivers/macintosh/therm_pm72.c
+++ b/drivers/macintosh/therm_pm72.c
@@ -129,6 +129,7 @@
#include <asm/sections.h>
#include <asm/of_device.h>
#include <asm/macio.h>
+#include <asm/of_platform.h>
#include "therm_pm72.h"
@@ -2236,14 +2237,14 @@ static int __init therm_pm72_init(void)
return -ENODEV;
}
- of_register_driver(&fcu_of_platform_driver);
+ of_register_platform_driver(&fcu_of_platform_driver);
return 0;
}
static void __exit therm_pm72_exit(void)
{
- of_unregister_driver(&fcu_of_platform_driver);
+ of_unregister_platform_driver(&fcu_of_platform_driver);
if (of_dev)
of_device_unregister(of_dev);
diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c
index 738faab1b22..a1d3a987cb3 100644
--- a/drivers/macintosh/therm_windtunnel.c
+++ b/drivers/macintosh/therm_windtunnel.c
@@ -36,12 +36,13 @@
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/init.h>
+
#include <asm/prom.h>
#include <asm/machdep.h>
#include <asm/io.h>
#include <asm/system.h>
#include <asm/sections.h>
-#include <asm/of_device.h>
+#include <asm/of_platform.h>
#include <asm/macio.h>
#define LOG_TEMP 0 /* continously log temperature */
@@ -511,14 +512,14 @@ g4fan_init( void )
return -ENODEV;
}
- of_register_driver( &therm_of_driver );
+ of_register_platform_driver( &therm_of_driver );
return 0;
}
static void __exit
g4fan_exit( void )
{
- of_unregister_driver( &therm_of_driver );
+ of_unregister_platform_driver( &therm_of_driver );
if( x.of_dev )
of_device_unregister( x.of_dev );
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index e63ea1c1f3c..c8558d4ed50 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -42,7 +42,7 @@
#include <linux/interrupt.h>
#include <linux/device.h>
#include <linux/sysdev.h>
-#include <linux/suspend.h>
+#include <linux/freezer.h>
#include <linux/syscalls.h>
#include <linux/cpu.h>
#include <asm/prom.h>
diff --git a/drivers/macintosh/windfarm_core.c b/drivers/macintosh/windfarm_core.c
index ab3faa702d5..e947af982f9 100644
--- a/drivers/macintosh/windfarm_core.c
+++ b/drivers/macintosh/windfarm_core.c
@@ -34,6 +34,7 @@
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/mutex.h>
+#include <linux/freezer.h>
#include <asm/prom.h>
diff --git a/drivers/macintosh/windfarm_pm112.c b/drivers/macintosh/windfarm_pm112.c
index fa4b13f8936..b3fbb45bc90 100644
--- a/drivers/macintosh/windfarm_pm112.c
+++ b/drivers/macintosh/windfarm_pm112.c
@@ -685,6 +685,17 @@ static int __init wf_pm112_init(void)
++nr_cores;
printk(KERN_INFO "windfarm: initializing for dual-core desktop G5\n");
+
+#ifdef MODULE
+ request_module("windfarm_smu_controls");
+ request_module("windfarm_smu_sensors");
+ request_module("windfarm_smu_sat");
+ request_module("windfarm_lm75_sensor");
+ request_module("windfarm_max6690_sensor");
+ request_module("windfarm_cpufreq_clamp");
+
+#endif /* MODULE */
+
platform_driver_register(&wf_pm112_driver);
return 0;
}
diff --git a/drivers/macintosh/windfarm_pm81.c b/drivers/macintosh/windfarm_pm81.c
index 2a944851b8e..f24fa734046 100644
--- a/drivers/macintosh/windfarm_pm81.c
+++ b/drivers/macintosh/windfarm_pm81.c
@@ -788,6 +788,7 @@ static int __init wf_smu_init(void)
request_module("windfarm_smu_controls");
request_module("windfarm_smu_sensors");
request_module("windfarm_lm75_sensor");
+ request_module("windfarm_cpufreq_clamp");
#endif /* MODULE */
platform_driver_register(&wf_smu_driver);
diff --git a/drivers/macintosh/windfarm_pm91.c b/drivers/macintosh/windfarm_pm91.c
index 9961a67b4f8..26eee69ebe6 100644
--- a/drivers/macintosh/windfarm_pm91.c
+++ b/drivers/macintosh/windfarm_pm91.c
@@ -719,6 +719,7 @@ static int __init wf_smu_init(void)
request_module("windfarm_smu_controls");
request_module("windfarm_smu_sensors");
request_module("windfarm_lm75_sensor");
+ request_module("windfarm_cpufreq_clamp");
#endif /* MODULE */
platform_driver_register(&wf_smu_driver);