Author: gonzo Date: Fri Jul 6 21:22:50 2018 New Revision: 336050 URL: https://svnweb.freebsd.org/changeset/base/336050
Log: ig4(4): add support for Apollo Lake I2C controllers Add PCI ids for I2C controllers on Apollo Lake platform. Also convert switch/case probe logic into a table. Reviewed by: avg Differential Revision: https://reviews.freebsd.org/D16120 Modified: head/sys/dev/ichiic/ig4_pci.c head/sys/dev/ichiic/ig4_var.h Modified: head/sys/dev/ichiic/ig4_pci.c ============================================================================== --- head/sys/dev/ichiic/ig4_pci.c Fri Jul 6 21:01:52 2018 (r336049) +++ head/sys/dev/ichiic/ig4_pci.c Fri Jul 6 21:22:50 2018 (r336050) @@ -80,73 +80,63 @@ static int ig4iic_pci_detach(device_t dev); #define PCI_CHIP_SKYLAKE_I2C_3 0x9d638086 #define PCI_CHIP_SKYLAKE_I2C_4 0x9d648086 #define PCI_CHIP_SKYLAKE_I2C_5 0x9d658086 +#define PCI_CHIP_APL_I2C_0 0x5aac8086 +#define PCI_CHIP_APL_I2C_1 0x5aae8086 +#define PCI_CHIP_APL_I2C_2 0x5ab08086 +#define PCI_CHIP_APL_I2C_3 0x5ab28086 +#define PCI_CHIP_APL_I2C_4 0x5ab48086 +#define PCI_CHIP_APL_I2C_5 0x5ab68086 +#define PCI_CHIP_APL_I2C_6 0x5ab88086 +#define PCI_CHIP_APL_I2C_7 0x5aba8086 +struct ig4iic_pci_device { + uint32_t devid; + const char *desc; + enum ig4_vers version; +}; + +static struct ig4iic_pci_device ig4iic_pci_devices[] = { + { PCI_CHIP_LYNXPT_LP_I2C_1, "Intel Lynx Point-LP I2C Controller-1", IG4_HASWELL}, + { PCI_CHIP_LYNXPT_LP_I2C_2, "Intel Lynx Point-LP I2C Controller-2", IG4_HASWELL}, + { PCI_CHIP_BRASWELL_I2C_1, "Intel Braswell Serial I/O I2C Port 1", IG4_ATOM}, + { PCI_CHIP_BRASWELL_I2C_2, "Intel Braswell Serial I/O I2C Port 2", IG4_ATOM}, + { PCI_CHIP_BRASWELL_I2C_3, "Intel Braswell Serial I/O I2C Port 3", IG4_ATOM}, + { PCI_CHIP_BRASWELL_I2C_5, "Intel Braswell Serial I/O I2C Port 5", IG4_ATOM}, + { PCI_CHIP_BRASWELL_I2C_6, "Intel Braswell Serial I/O I2C Port 6", IG4_ATOM}, + { PCI_CHIP_BRASWELL_I2C_7, "Intel Braswell Serial I/O I2C Port 7", IG4_ATOM}, + { PCI_CHIP_SKYLAKE_I2C_0, "Intel Sunrise Point-LP I2C Controller-0", IG4_SKYLAKE}, + { PCI_CHIP_SKYLAKE_I2C_1, "Intel Sunrise Point-LP I2C Controller-1", IG4_SKYLAKE}, + { PCI_CHIP_SKYLAKE_I2C_2, "Intel Sunrise Point-LP I2C Controller-2", IG4_SKYLAKE}, + { PCI_CHIP_SKYLAKE_I2C_3, "Intel Sunrise Point-LP I2C Controller-3", IG4_SKYLAKE}, + { PCI_CHIP_SKYLAKE_I2C_4, "Intel Sunrise Point-LP I2C Controller-4", IG4_SKYLAKE}, + { PCI_CHIP_SKYLAKE_I2C_5, "Intel Sunrise Point-LP I2C Controller-5", IG4_SKYLAKE}, + { PCI_CHIP_APL_I2C_0, "Intel Apollo Lake I2C Controller-0", IG4_SKYLAKE}, + { PCI_CHIP_APL_I2C_1, "Intel Apollo Lake I2C Controller-1", IG4_SKYLAKE}, + { PCI_CHIP_APL_I2C_2, "Intel Apollo Lake I2C Controller-2", IG4_SKYLAKE}, + { PCI_CHIP_APL_I2C_3, "Intel Apollo Lake I2C Controller-3", IG4_SKYLAKE}, + { PCI_CHIP_APL_I2C_4, "Intel Apollo Lake I2C Controller-4", IG4_SKYLAKE}, + { PCI_CHIP_APL_I2C_5, "Intel Apollo Lake I2C Controller-5", IG4_SKYLAKE}, + { PCI_CHIP_APL_I2C_6, "Intel Apollo Lake I2C Controller-6", IG4_SKYLAKE}, + { PCI_CHIP_APL_I2C_7, "Intel Apollo Lake I2C Controller-7", IG4_SKYLAKE}, + { 0, NULL, 0 }, +}; + static int ig4iic_pci_probe(device_t dev) { ig4iic_softc_t *sc = device_get_softc(dev); + uint32_t devid; + int i; - switch(pci_get_devid(dev)) { - case PCI_CHIP_LYNXPT_LP_I2C_1: - device_set_desc(dev, "Intel Lynx Point-LP I2C Controller-1"); - sc->version = IG4_HASWELL; - break; - case PCI_CHIP_LYNXPT_LP_I2C_2: - device_set_desc(dev, "Intel Lynx Point-LP I2C Controller-2"); - sc->version = IG4_HASWELL; - break; - case PCI_CHIP_BRASWELL_I2C_1: - device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 1"); - sc->version = IG4_ATOM; - break; - case PCI_CHIP_BRASWELL_I2C_2: - device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 2"); - sc->version = IG4_ATOM; - break; - case PCI_CHIP_BRASWELL_I2C_3: - device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 3"); - sc->version = IG4_ATOM; - break; - case PCI_CHIP_BRASWELL_I2C_5: - device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 5"); - sc->version = IG4_ATOM; - break; - case PCI_CHIP_BRASWELL_I2C_6: - device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 6"); - sc->version = IG4_ATOM; - break; - case PCI_CHIP_BRASWELL_I2C_7: - device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 7"); - sc->version = IG4_ATOM; - break; - case PCI_CHIP_SKYLAKE_I2C_0: - device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-0"); - sc->version = IG4_SKYLAKE; - break; - case PCI_CHIP_SKYLAKE_I2C_1: - device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-1"); - sc->version = IG4_SKYLAKE; - break; - case PCI_CHIP_SKYLAKE_I2C_2: - device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-2"); - sc->version = IG4_SKYLAKE; - break; - case PCI_CHIP_SKYLAKE_I2C_3: - device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-3"); - sc->version = IG4_SKYLAKE; - break; - case PCI_CHIP_SKYLAKE_I2C_4: - device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-4"); - sc->version = IG4_SKYLAKE; - break; - case PCI_CHIP_SKYLAKE_I2C_5: - device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-5"); - sc->version = IG4_SKYLAKE; - break; - default: - return (ENXIO); + devid = pci_get_devid(dev); + for (i = 0; ig4iic_pci_devices[i].devid != 0; i++) { + if (ig4iic_pci_devices[i].devid == devid) { + device_set_desc(dev, ig4iic_pci_devices[i].desc); + sc->version = ig4iic_pci_devices[i].version; + return (BUS_PROBE_DEFAULT); + } } - return (BUS_PROBE_DEFAULT); + return (ENXIO); } static int Modified: head/sys/dev/ichiic/ig4_var.h ============================================================================== --- head/sys/dev/ichiic/ig4_var.h Fri Jul 6 21:01:52 2018 (r336049) +++ head/sys/dev/ichiic/ig4_var.h Fri Jul 6 21:22:50 2018 (r336050) @@ -47,7 +47,7 @@ #define IG4_RBUFMASK (IG4_RBUFSIZE - 1) enum ig4_op { IG4_IDLE, IG4_READ, IG4_WRITE }; -enum ig4_vers { IG4_HASWELL, IG4_ATOM, IG4_SKYLAKE }; +enum ig4_vers { IG4_HASWELL, IG4_ATOM, IG4_SKYLAKE, IG4_APL }; struct ig4iic_softc { device_t dev; _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
