From a5f08a327abc45eb6cb3cc1f5fabf38607ae2acc Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Tue, 14 Oct 2008 17:30:02 +0200 Subject: i2c/isp1301_omap: Convert to a new-style i2c driver, part 1 Based on David Brownell's patch for tps65010, this patch starts converting isp1301_omap.c to new-style i2c driver. Signed-off-by: Felipe Balbi Signed-off-by: Jean Delvare Acked-by: Tony Lindgren --- drivers/i2c/chips/isp1301_omap.c | 59 ++++++++++++++++++++-------------------- 1 file changed, 30 insertions(+), 29 deletions(-) (limited to 'drivers/i2c/chips') diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c index 4655b794ebe..8444fc6fbf6 100644 --- a/drivers/i2c/chips/isp1301_omap.c +++ b/drivers/i2c/chips/isp1301_omap.c @@ -49,7 +49,8 @@ MODULE_LICENSE("GPL"); struct isp1301 { struct otg_transceiver otg; - struct i2c_client client; + struct i2c_client *client; + struct i2c_client c; void (*i2c_release)(struct device *dev); int irq; @@ -153,25 +154,25 @@ static struct i2c_driver isp1301_driver; static inline u8 isp1301_get_u8(struct isp1301 *isp, u8 reg) { - return i2c_smbus_read_byte_data(&isp->client, reg + 0); + return i2c_smbus_read_byte_data(isp->client, reg + 0); } static inline int isp1301_get_u16(struct isp1301 *isp, u8 reg) { - return i2c_smbus_read_word_data(&isp->client, reg); + return i2c_smbus_read_word_data(isp->client, reg); } static inline int isp1301_set_bits(struct isp1301 *isp, u8 reg, u8 bits) { - return i2c_smbus_write_byte_data(&isp->client, reg + 0, bits); + return i2c_smbus_write_byte_data(isp->client, reg + 0, bits); } static inline int isp1301_clear_bits(struct isp1301 *isp, u8 reg, u8 bits) { - return i2c_smbus_write_byte_data(&isp->client, reg + 1, bits); + return i2c_smbus_write_byte_data(isp->client, reg + 1, bits); } /*-------------------------------------------------------------------------*/ @@ -349,10 +350,10 @@ isp1301_defer_work(struct isp1301 *isp, int work) int status; if (isp && !test_and_set_bit(work, &isp->todo)) { - (void) get_device(&isp->client.dev); + (void) get_device(&isp->client->dev); status = schedule_work(&isp->work); if (!status && !isp->working) - dev_vdbg(&isp->client.dev, + dev_vdbg(&isp->client->dev, "work item %d may be lost\n", work); } } @@ -1135,7 +1136,7 @@ isp1301_work(struct work_struct *work) /* transfer state from otg engine to isp1301 */ if (test_and_clear_bit(WORK_UPDATE_ISP, &isp->todo)) { otg_update_isp(isp); - put_device(&isp->client.dev); + put_device(&isp->client->dev); } #endif /* transfer state from isp1301 to otg engine */ @@ -1143,7 +1144,7 @@ isp1301_work(struct work_struct *work) u8 stat = isp1301_clear_latch(isp); isp_update_otg(isp, stat); - put_device(&isp->client.dev); + put_device(&isp->client->dev); } if (test_and_clear_bit(WORK_HOST_RESUME, &isp->todo)) { @@ -1178,7 +1179,7 @@ isp1301_work(struct work_struct *work) } host_resume(isp); // mdelay(10); - put_device(&isp->client.dev); + put_device(&isp->client->dev); } if (test_and_clear_bit(WORK_TIMER, &isp->todo)) { @@ -1187,15 +1188,15 @@ isp1301_work(struct work_struct *work) if (!stop) mod_timer(&isp->timer, jiffies + TIMER_JIFFIES); #endif - put_device(&isp->client.dev); + put_device(&isp->client->dev); } if (isp->todo) - dev_vdbg(&isp->client.dev, + dev_vdbg(&isp->client->dev, "work done, todo = 0x%lx\n", isp->todo); if (stop) { - dev_dbg(&isp->client.dev, "stop\n"); + dev_dbg(&isp->client->dev, "stop\n"); break; } } while (isp->todo); @@ -1219,7 +1220,7 @@ static void isp1301_release(struct device *dev) { struct isp1301 *isp; - isp = container_of(dev, struct isp1301, client.dev); + isp = dev_get_drvdata(dev); /* ugly -- i2c hijacks our memory hook to wait_for_completion() */ if (isp->i2c_release) @@ -1233,7 +1234,7 @@ static int isp1301_detach_client(struct i2c_client *i2c) { struct isp1301 *isp; - isp = container_of(i2c, struct isp1301, client); + isp = i2c_get_clientdata(i2c); isp1301_clear_bits(isp, ISP1301_INTERRUPT_FALLING, ~0); isp1301_clear_bits(isp, ISP1301_INTERRUPT_RISING, ~0); @@ -1285,7 +1286,7 @@ static int isp1301_otg_enable(struct isp1301 *isp) isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING, INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND); - dev_info(&isp->client.dev, "ready for dual-role USB ...\n"); + dev_info(&isp->client->dev, "ready for dual-role USB ...\n"); return 0; } @@ -1310,7 +1311,7 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host) #ifdef CONFIG_USB_OTG isp->otg.host = host; - dev_dbg(&isp->client.dev, "registered host\n"); + dev_dbg(&isp->client->dev, "registered host\n"); host_suspend(isp); if (isp->otg.gadget) return isp1301_otg_enable(isp); @@ -1325,7 +1326,7 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host) if (machine_is_omap_h2()) isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0); - dev_info(&isp->client.dev, "A-Host sessions ok\n"); + dev_info(&isp->client->dev, "A-Host sessions ok\n"); isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING, INTR_ID_GND); isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING, @@ -1343,7 +1344,7 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host) return 0; #else - dev_dbg(&isp->client.dev, "host sessions not allowed\n"); + dev_dbg(&isp->client->dev, "host sessions not allowed\n"); return -EINVAL; #endif @@ -1370,7 +1371,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget) #ifdef CONFIG_USB_OTG isp->otg.gadget = gadget; - dev_dbg(&isp->client.dev, "registered gadget\n"); + dev_dbg(&isp->client->dev, "registered gadget\n"); /* gadget driver may be suspended until vbus_connect () */ if (isp->otg.host) return isp1301_otg_enable(isp); @@ -1395,7 +1396,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget) INTR_SESS_VLD); isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING, INTR_VBUS_VLD); - dev_info(&isp->client.dev, "B-Peripheral sessions ok\n"); + dev_info(&isp->client->dev, "B-Peripheral sessions ok\n"); dump_regs(isp, __func__); /* If this has a Mini-AB connector, this mode is highly @@ -1408,7 +1409,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget) return 0; #else - dev_dbg(&isp->client.dev, "peripheral sessions not allowed\n"); + dev_dbg(&isp->client->dev, "peripheral sessions not allowed\n"); return -EINVAL; #endif } @@ -1528,12 +1529,12 @@ static int isp1301_probe(struct i2c_adapter *bus, int address, int kind) isp->timer.data = (unsigned long) isp; isp->irq = -1; - isp->client.addr = address; - i2c_set_clientdata(&isp->client, isp); - isp->client.adapter = bus; - isp->client.driver = &isp1301_driver; - strlcpy(isp->client.name, DRIVER_NAME, I2C_NAME_SIZE); - i2c = &isp->client; + isp->c.addr = address; + i2c_set_clientdata(&isp->c, isp); + isp->c.adapter = bus; + isp->c.driver = &isp1301_driver; + strlcpy(isp->c.name, DRIVER_NAME, I2C_NAME_SIZE); + isp->client = i2c = &isp->c; /* if this is a true probe, verify the chip ... */ if (kind < 0) { @@ -1618,7 +1619,7 @@ fail2: goto fail1; } - isp->otg.dev = &isp->client.dev; + isp->otg.dev = &isp->client->dev; isp->otg.label = DRIVER_NAME; isp->otg.set_host = isp1301_set_host, -- cgit v1.2.3 From 9df013b3e46c67dd3745df91eaccdc719118e0cc Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Tue, 14 Oct 2008 17:30:02 +0200 Subject: i2c/isp1301_omap: Convert to a new-style i2c driver, part 2 Based on David Brownell's patch for tps65010 and previous work by Felipe Balbi, this patch finishes converting isp1301_omap to a new-style i2c driver. There's definitely room for further drivers cleanups, but these are out of the scope of this patch. Signed-off-by: Jean Delvare Acked-by: Tony Lindgren --- drivers/i2c/chips/isp1301_omap.c | 98 ++++++++++++++-------------------------- 1 file changed, 33 insertions(+), 65 deletions(-) (limited to 'drivers/i2c/chips') diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c index 8444fc6fbf6..28902ebd553 100644 --- a/drivers/i2c/chips/isp1301_omap.c +++ b/drivers/i2c/chips/isp1301_omap.c @@ -50,10 +50,8 @@ MODULE_LICENSE("GPL"); struct isp1301 { struct otg_transceiver otg; struct i2c_client *client; - struct i2c_client c; void (*i2c_release)(struct device *dev); - int irq; int irq_type; u32 last_otg_ctrl; @@ -139,14 +137,6 @@ static inline void notresponding(struct isp1301 *isp) /*-------------------------------------------------------------------------*/ -/* only two addresses possible */ -#define ISP_BASE 0x2c -static unsigned short normal_i2c[] = { - ISP_BASE, ISP_BASE + 1, - I2C_CLIENT_END }; - -I2C_CLIENT_INSMOD; - static struct i2c_driver isp1301_driver; /* smbus apis are used for portability */ @@ -1230,7 +1220,7 @@ static void isp1301_release(struct device *dev) static struct isp1301 *the_transceiver; -static int isp1301_detach_client(struct i2c_client *i2c) +static int __exit isp1301_remove(struct i2c_client *i2c) { struct isp1301 *isp; @@ -1238,7 +1228,7 @@ static int isp1301_detach_client(struct i2c_client *i2c) isp1301_clear_bits(isp, ISP1301_INTERRUPT_FALLING, ~0); isp1301_clear_bits(isp, ISP1301_INTERRUPT_RISING, ~0); - free_irq(isp->irq, isp); + free_irq(i2c->irq, isp); #ifdef CONFIG_USB_OTG otg_unbind(isp); #endif @@ -1253,7 +1243,7 @@ static int isp1301_detach_client(struct i2c_client *i2c) put_device(&i2c->dev); the_transceiver = 0; - return i2c_detach_client(i2c); + return 0; } /*-------------------------------------------------------------------------*/ @@ -1509,12 +1499,10 @@ isp1301_start_hnp(struct otg_transceiver *dev) /*-------------------------------------------------------------------------*/ -/* no error returns, they'd just make bus scanning stop */ -static int isp1301_probe(struct i2c_adapter *bus, int address, int kind) +static int __init isp1301_probe(struct i2c_client *i2c) { int status; struct isp1301 *isp; - struct i2c_client *i2c; if (the_transceiver) return 0; @@ -1528,37 +1516,19 @@ static int isp1301_probe(struct i2c_adapter *bus, int address, int kind) isp->timer.function = isp1301_timer; isp->timer.data = (unsigned long) isp; - isp->irq = -1; - isp->c.addr = address; - i2c_set_clientdata(&isp->c, isp); - isp->c.adapter = bus; - isp->c.driver = &isp1301_driver; - strlcpy(isp->c.name, DRIVER_NAME, I2C_NAME_SIZE); - isp->client = i2c = &isp->c; - - /* if this is a true probe, verify the chip ... */ - if (kind < 0) { - status = isp1301_get_u16(isp, ISP1301_VENDOR_ID); - if (status != I2C_VENDOR_ID_PHILIPS) { - dev_dbg(&bus->dev, "addr %d not philips id: %d\n", - address, status); - goto fail1; - } - status = isp1301_get_u16(isp, ISP1301_PRODUCT_ID); - if (status != I2C_PRODUCT_ID_PHILIPS_1301) { - dev_dbg(&bus->dev, "%d not isp1301, %d\n", - address, status); - goto fail1; - } - } + i2c_set_clientdata(i2c, isp); + isp->client = i2c; - status = i2c_attach_client(i2c); - if (status < 0) { - dev_dbg(&bus->dev, "can't attach %s to device %d, err %d\n", - DRIVER_NAME, address, status); -fail1: - kfree(isp); - return 0; + /* verify the chip (shouldn't be necesary) */ + status = isp1301_get_u16(isp, ISP1301_VENDOR_ID); + if (status != I2C_VENDOR_ID_PHILIPS) { + dev_dbg(&i2c->dev, "not philips id: %d\n", status); + goto fail; + } + status = isp1301_get_u16(isp, ISP1301_PRODUCT_ID); + if (status != I2C_PRODUCT_ID_PHILIPS_1301) { + dev_dbg(&i2c->dev, "not isp1301, %d\n", status); + goto fail; } isp->i2c_release = i2c->dev.release; i2c->dev.release = isp1301_release; @@ -1587,7 +1557,7 @@ fail1: status = otg_bind(isp); if (status < 0) { dev_dbg(&i2c->dev, "can't bind OTG\n"); - goto fail2; + goto fail; } #endif @@ -1600,26 +1570,21 @@ fail1: /* IRQ wired at M14 */ omap_cfg_reg(M14_1510_GPIO2); - isp->irq = OMAP_GPIO_IRQ(2); if (gpio_request(2, "isp1301") == 0) gpio_direction_input(2); isp->irq_type = IRQF_TRIGGER_FALLING; } isp->irq_type |= IRQF_SAMPLE_RANDOM; - status = request_irq(isp->irq, isp1301_irq, + status = request_irq(i2c->irq, isp1301_irq, isp->irq_type, DRIVER_NAME, isp); if (status < 0) { dev_dbg(&i2c->dev, "can't get IRQ %d, err %d\n", - isp->irq, status); -#ifdef CONFIG_USB_OTG -fail2: -#endif - i2c_detach_client(i2c); - goto fail1; + i2c->irq, status); + goto fail; } - isp->otg.dev = &isp->client->dev; + isp->otg.dev = &i2c->dev; isp->otg.label = DRIVER_NAME; isp->otg.set_host = isp1301_set_host, @@ -1650,22 +1615,25 @@ fail2: status); return 0; -} -static int isp1301_scan_bus(struct i2c_adapter *bus) -{ - if (!i2c_check_functionality(bus, I2C_FUNC_SMBUS_BYTE_DATA - | I2C_FUNC_SMBUS_READ_WORD_DATA)) - return -EINVAL; - return i2c_probe(bus, &addr_data, isp1301_probe); +fail: + kfree(isp); + return -ENODEV; } +static const struct i2c_device_id isp1301_id[] = { + { "isp1301_omap", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, isp1301_id); + static struct i2c_driver isp1301_driver = { .driver = { .name = "isp1301_omap", }, - .attach_adapter = isp1301_scan_bus, - .detach_client = isp1301_detach_client, + .probe = isp1301_probe, + .remove = __exit_p(isp1301_remove), + .id_table = isp1301_id, }; /*-------------------------------------------------------------------------*/ -- cgit v1.2.3 From b84ee0b0c7dc91b729672e6a971fe3b0629ef0ad Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 14 Oct 2008 17:30:04 +0200 Subject: i2c/tps65010: Vibrator hookup to gpiolib All the tps6501{0,1,2,3,4} chips have a signal for hooking up with a vibrator (for non-auditory cell phone "ring") ... expose that as one more (output-only) GPIO. [ dbrownell@users.sourceforge.net: comments; list tps65014 too ] Signed-off-by: Marek Vasut Signed-off-by: David Brownell Signed-off-by: Jean Delvare --- drivers/i2c/chips/tps65010.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'drivers/i2c/chips') diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c index cf02e8fceb4..acf8b9d5f57 100644 --- a/drivers/i2c/chips/tps65010.c +++ b/drivers/i2c/chips/tps65010.c @@ -456,14 +456,17 @@ static irqreturn_t tps65010_irq(int irq, void *_tps) /* offsets 0..3 == GPIO1..GPIO4 * offsets 4..5 == LED1/nPG, LED2 (we set one of the non-BLINK modes) + * offset 6 == vibrator motor driver */ static void tps65010_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { if (offset < 4) tps65010_set_gpio_out_value(offset + 1, value); - else + else if (offset < 6) tps65010_set_led(offset - 3, value ? ON : OFF); + else + tps65010_set_vib(value); } static int @@ -477,8 +480,10 @@ tps65010_output(struct gpio_chip *chip, unsigned offset, int value) if (!(tps->outmask & (1 << offset))) return -EINVAL; tps65010_set_gpio_out_value(offset + 1, value); - } else + } else if (offset < 6) tps65010_set_led(offset - 3, value ? ON : OFF); + else + tps65010_set_vib(value); return 0; } @@ -646,7 +651,7 @@ static int tps65010_probe(struct i2c_client *client, tps->chip.get = tps65010_gpio_get; tps->chip.base = board->base; - tps->chip.ngpio = 6; + tps->chip.ngpio = 7; tps->chip.can_sleep = 1; status = gpiochip_add(&tps->chip); @@ -675,6 +680,7 @@ static const struct i2c_device_id tps65010_id[] = { { "tps65011", TPS65011 }, { "tps65012", TPS65012 }, { "tps65013", TPS65013 }, + { "tps65014", TPS65011 }, /* tps65011 charging at 6.5V max */ { } }; MODULE_DEVICE_TABLE(i2c, tps65010_id); -- cgit v1.2.3