diff options
Diffstat (limited to 'target/linux/omap24xx/patches-2.6.36/510-retu-tahvo-user-debugging.patch')
| -rw-r--r-- | target/linux/omap24xx/patches-2.6.36/510-retu-tahvo-user-debugging.patch | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/target/linux/omap24xx/patches-2.6.36/510-retu-tahvo-user-debugging.patch b/target/linux/omap24xx/patches-2.6.36/510-retu-tahvo-user-debugging.patch deleted file mode 100644 index 85a88ca9fa..0000000000 --- a/target/linux/omap24xx/patches-2.6.36/510-retu-tahvo-user-debugging.patch +++ /dev/null @@ -1,324 +0,0 @@ ---- - drivers/cbus/Kconfig | 8 +++ - drivers/cbus/retu-user.c | 117 +++++++++++++++++++++++++++++++++++++++++++++- - drivers/cbus/tahvo-user.c | 75 +++++++++++++++++++++++++++++ - 3 files changed, 198 insertions(+), 2 deletions(-) - ---- linux-2.6.36-rc4.orig/drivers/cbus/Kconfig -+++ linux-2.6.36-rc4/drivers/cbus/Kconfig -@@ -28,6 +28,10 @@ config CBUS_TAHVO_USER - If you want support for Tahvo's user space read/write etc. functions, - you should say Y here. - -+config CBUS_TAHVO_USER_DEBUG -+ depends on CBUS_TAHVO_USER -+ bool "Enable Tahvo user space interface debugging" -+ - config CBUS_TAHVO_USB - depends on CBUS_TAHVO && USB - tristate "Support for Tahvo USB transceiver" -@@ -56,6 +60,10 @@ config CBUS_RETU_USER - If you want support for Retu's user space read/write etc. functions, - you should say Y here. - -+config CBUS_RETU_USER_DEBUG -+ depends on CBUS_RETU_USER -+ bool "Enable Retu user space interface debugging" -+ - config CBUS_RETU_POWERBUTTON - depends on CBUS_RETU - bool "Support for Retu power button" ---- linux-2.6.36-rc4.orig/drivers/cbus/retu-user.c -+++ linux-2.6.36-rc4/drivers/cbus/retu-user.c -@@ -46,6 +46,12 @@ - - #define PFX "retu-user: " - -+#ifdef CONFIG_CBUS_RETU_USER_DEBUG -+# define dprintk(fmt, x...) printk(KERN_DEBUG PFX fmt, x) -+#else -+# define dprintk(fmt, x...) do { } while (0) -+#endif -+ - /* Bitmap for marking the interrupt sources as having the handlers */ - static u32 retu_irq_bits; - -@@ -105,6 +111,94 @@ static const u8 retu_access_bits[] = { - 3 - }; - -+#ifdef CONFIG_CBUS_RETU_USER_DEBUG -+static const char * reg_access_text(unsigned int reg) -+{ -+ if (WARN_ON(reg >= ARRAY_SIZE(retu_access_bits))) -+ return "X"; -+ switch (retu_access_bits[reg]) { -+ case READ_ONLY: -+ return "R"; -+ case WRITE_ONLY: -+ return "W"; -+ case READ_WRITE: -+ return "RW"; -+ case TOGGLE: -+ return "T"; -+ } -+ return "X"; -+} -+ -+static const char * reg_name(unsigned int reg) -+{ -+ static const char *names[] = { -+ [RETU_REG_ASICR] = "ASIC ID & revision", -+ [RETU_REG_IDR] = "Interrupt ID", -+ [RETU_REG_IMR] = "Interrupt mask", -+ [RETU_REG_RTCDSR] = "RTC seconds register", -+ [RETU_REG_RTCHMR] = "RTC hours and minutes register", -+ [RETU_REG_RTCHMAR] = "hours and minutes alarm and time set register", -+ [RETU_REG_RTCCALR] = "RTC calibration register", -+ [RETU_REG_ADCR] = "ADC result", -+ [RETU_REG_ADCSCR] = "ADC sample ctrl", -+ [RETU_REG_CC1] = "Common control register 1", -+ [RETU_REG_CC2] = "Common control register 2", -+ [RETU_REG_CTRL_CLR] = "Regulator clear register", -+ [RETU_REG_CTRL_SET] = "Regulator set register", -+ [RETU_REG_STATUS] = "Status register", -+ [RETU_REG_WATCHDOG] = "Watchdog register", -+ [RETU_REG_AUDTXR] = "Audio Codec Tx register", -+ [0x14] = "Charger detect?", -+ }; -+ const char *name; -+ -+ if (reg >= ARRAY_SIZE(names)) -+ return ""; -+ name = names[reg]; -+ if (!name) -+ return ""; -+ return name; -+} -+ -+static const char * adc_chan_name(unsigned int chan) -+{ -+ static const char *names[] = { -+ [0x05] = "Headset hook detect", -+ }; -+ const char *name; -+ -+ if (chan >= ARRAY_SIZE(names)) -+ return ""; -+ name = names[chan]; -+ if (!name) -+ return ""; -+ return name; -+} -+ -+static const char * retu_irq_name(unsigned int id) -+{ -+ static const char *names[] = { -+ [RETU_INT_PWR] = "Power", -+ [RETU_INT_CHAR] = "Char", -+ [RETU_INT_RTCS] = "RTCS", -+ [RETU_INT_RTCM] = "RTCM", -+ [RETU_INT_RTCD] = "RTCD", -+ [RETU_INT_RTCA] = "RTCA", -+ [RETU_INT_HOOK] = "Hook", -+ [RETU_INT_HEAD] = "Head", -+ [RETU_INT_ADCS] = "ADC timer", -+ }; -+ const char *name; -+ -+ if (id >= ARRAY_SIZE(names)) -+ return ""; -+ name = names[id]; -+ if (!name) -+ return ""; -+ return name; -+} -+#endif -+ - /* - * The handler for all RETU interrupts. - * -@@ -157,6 +251,8 @@ static int retu_user_subscribe_to_irq(in - /* Mark that this interrupt has a handler */ - retu_irq_bits |= 1 << id; - -+ dprintk("Subscribed to IRQ %d (%s)\n", id, retu_irq_name(id)); -+ - return 0; - } - -@@ -216,6 +312,10 @@ static int retu_user_write_with_mask(u32 - - /* Generate new value */ - tmp = (tmp & ~MASK(field)) | (value & MASK(field)); -+ -+ dprintk("{WRITE %s} 0x%02X(%s) <= msk 0x%04X, val 0x%04X ==> res 0x%04X\n", -+ reg_name(reg), reg, reg_access_text(reg), MASK(field), value, tmp); -+ - /* Write data to RETU */ - retu_write_reg(reg, tmp); - spin_unlock_irqrestore(&retu_lock, flags); -@@ -244,6 +344,9 @@ static u32 retu_user_read_with_mask(u32 - /* Read the register */ - value = retu_read_reg(reg) & mask; - -+ dprintk("{READ %s} 0x%02X(%s) <= msk 0x%04X ==> res 0x%04X\n", -+ reg_name(reg), reg, reg_access_text(reg), mask, value); -+ - /* Right justify value */ - while (!(mask & 1)) { - value = value >> 1; -@@ -273,7 +376,7 @@ static int retu_close(struct inode *inod - static long retu_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - struct retu_tahvo_write_parms par; -- int ret; -+ int ret, result; - - switch (cmd) { - case URT_IOCT_IRQ_SUBSCR: -@@ -290,7 +393,15 @@ static long retu_ioctl(struct file *filp - printk(KERN_ERR "copy_to_user failed: %d\n", ret); - break; - case RETU_IOCH_ADC_READ: -- return retu_read_adc(arg); -+ result = retu_read_adc(arg); -+ if (result >= 0) { -+ dprintk("{READ-ADC %s} chan 0x%02lX ==> result 0x%04X\n", -+ adc_chan_name(arg), arg, result); -+ } else { -+ dprintk("{READ-ADC %s} chan 0x%02lX ==> failed %d\n", -+ adc_chan_name(arg), arg, result); -+ } -+ return result; - default: - return -ENOIOCTLCMD; - } -@@ -332,6 +443,8 @@ static ssize_t retu_read(struct file *fi - list_move(&irq->node, &retu_irqs_reserve); - spin_unlock_irqrestore(&retu_irqs_lock, flags); - -+ dprintk("{IRQ %s} %d delivered\n", retu_irq_name(irq_id), (int)irq_id); -+ - ret = copy_to_user(buf + i * sizeof(irq_id), &irq_id, - sizeof(irq_id)); - if (ret) ---- linux-2.6.36-rc4.orig/drivers/cbus/tahvo-user.c -+++ linux-2.6.36-rc4/drivers/cbus/tahvo-user.c -@@ -46,6 +46,12 @@ - - #define PFX "tahvo-user: " - -+#ifdef CONFIG_CBUS_TAHVO_USER_DEBUG -+# define dprintk(fmt, x...) printk(KERN_DEBUG PFX fmt, x) -+#else -+# define dprintk(fmt, x...) do { } while (0) -+#endif -+ - /* Bitmap for marking the interrupt sources as having the handlers */ - static u32 tahvo_irq_bits; - -@@ -87,6 +93,64 @@ static const u8 tahvo_access_bits[] = { - 1 - }; - -+#ifdef CONFIG_CBUS_TAHVO_USER_DEBUG -+static const char * reg_access_text(unsigned int reg) -+{ -+ if (WARN_ON(reg >= ARRAY_SIZE(tahvo_access_bits))) -+ return "X"; -+ switch (tahvo_access_bits[reg]) { -+ case READ_ONLY: -+ return "R"; -+ case WRITE_ONLY: -+ return "W"; -+ case READ_WRITE: -+ return "RW"; -+ case TOGGLE: -+ return "T"; -+ } -+ return "X"; -+} -+ -+static const char * reg_name(unsigned int reg) -+{ -+ static const char *names[] = { -+ [TAHVO_REG_ASICR] = "ASIC ID & revision", -+ [TAHVO_REG_IDR] = "Interrupt ID", -+ [TAHVO_REG_IDSR] = "Interrupt status", -+ [TAHVO_REG_IMR] = "Interrupt mask", -+ [TAHVO_REG_LEDPWMR] = "LED PWM", -+ [TAHVO_REG_USBR] = "USB control", -+ [0x04] = "Charge current control?", -+ [0x08] = "Charge ctl 1?", -+ [0x0C] = "Charge ctl 2?", -+ [0x0D] = "Battery current ADC?", -+ }; -+ const char *name; -+ -+ if (reg >= ARRAY_SIZE(names)) -+ return ""; -+ name = names[reg]; -+ if (!name) -+ return ""; -+ return name; -+} -+ -+static const char * tahvo_irq_name(unsigned int id) -+{ -+ static const char *names[] = { -+ [TAHVO_INT_VBUSON] = "VBUSON", -+ }; -+ const char *name; -+ -+ if (id >= ARRAY_SIZE(names)) -+ return ""; -+ name = names[id]; -+ if (!name) -+ return ""; -+ return name; -+} -+#endif -+ - /* - * The handler for all TAHVO interrupts. - * -@@ -142,6 +206,8 @@ static int tahvo_user_subscribe_to_irq(i - /* Mark that this interrupt has a handler */ - tahvo_irq_bits |= 1 << id; - -+ dprintk("Subscribed to IRQ %d (%s)\n", id, tahvo_irq_name(id)); -+ - return 0; - } - -@@ -200,6 +266,10 @@ static int tahvo_user_write_with_mask(u3 - } - /* Generate a new value */ - tmp = (tmp & ~MASK(field)) | (value & MASK(field)); -+ -+ dprintk("{WRITE %s} 0x%02X(%s) <= msk 0x%04X, val 0x%04X ==> res 0x%04X\n", -+ reg_name(reg), reg, reg_access_text(reg), MASK(field), value, tmp); -+ - /* Write data to TAHVO */ - tahvo_write_reg(reg, tmp); - spin_unlock_irqrestore(&tahvo_lock, flags); -@@ -228,6 +298,9 @@ static u32 tahvo_user_read_with_mask(u32 - /* Read the register */ - value = tahvo_read_reg(reg) & mask; - -+ dprintk("{READ %s} 0x%02X(%s) <= msk 0x%04X ==> res 0x%04X\n", -+ reg_name(reg), reg, reg_access_text(reg), mask, value); -+ - /* Right justify value */ - while (!(mask & 1)) { - value = value >> 1; -@@ -314,6 +387,8 @@ static ssize_t tahvo_read(struct file *f - list_move(&irq->node, &tahvo_irqs_reserve); - spin_unlock_irqrestore(&tahvo_irqs_lock, flags); - -+ dprintk("{IRQ %s} %d delivered\n", tahvo_irq_name(irq_id), (int)irq_id); -+ - ret = copy_to_user(buf + i * sizeof(irq_id), &irq_id, - sizeof(irq_id)); - if (ret) |