--- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -168,6 +168,7 @@ config SSB_DRIVER_GIGE config SSB_DRIVER_GPIO bool "SSB GPIO driver" depends on SSB && GPIOLIB + select IRQ_DOMAIN if SSB_EMBEDDED help Driver to provide access to the GPIO pins on the bus. --- a/drivers/ssb/driver_chipcommon_sflash.c +++ b/drivers/ssb/driver_chipcommon_sflash.c @@ -37,7 +37,7 @@ static const struct ssb_sflash_tbl_e ssb { "M25P32", 0x15, 0x10000, 64, }, { "M25P64", 0x16, 0x10000, 128, }, { "M25FL128", 0x17, 0x10000, 256, }, - { 0 }, + { NULL }, }; static const struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = { @@ -55,7 +55,7 @@ static const struct ssb_sflash_tbl_e ssb { "SST25VF016", 0x41, 0x1000, 512, }, { "SST25VF032", 0x4a, 0x1000, 1024, }, { "SST25VF064", 0x4b, 0x1000, 2048, }, - { 0 }, + { NULL }, }; static const struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = { @@ -66,7 +66,7 @@ static const struct ssb_sflash_tbl_e ssb { "AT45DB161", 0x2c, 512, 4096, }, { "AT45DB321", 0x34, 512, 8192, }, { "AT45DB642", 0x3c, 1024, 8192, }, - { 0 }, + { NULL }, }; static void ssb_sflash_cmd(struct ssb_chipcommon *cc, u32 opcode) --- a/drivers/ssb/driver_gpio.c +++ b/drivers/ssb/driver_gpio.c @@ -9,16 +9,40 @@ */ #include <linux/gpio.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/irqdomain.h> #include <linux/export.h> #include <linux/ssb/ssb.h> #include "ssb_private.h" + +/************************************************** + * Shared + **************************************************/ + static struct ssb_bus *ssb_gpio_get_bus(struct gpio_chip *chip) { return container_of(chip, struct ssb_bus, gpio); } +#if IS_ENABLED(CONFIG_SSB_EMBEDDED) +static int ssb_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + if (bus->bustype == SSB_BUSTYPE_SSB) + return irq_find_mapping(bus->irq_domain, gpio); + else + return -EINVAL; +} +#endif + +/************************************************** + * ChipCommon + **************************************************/ + static int ssb_gpio_chipco_get_value(struct gpio_chip *chip, unsigned gpio) { struct ssb_bus *bus = ssb_gpio_get_bus(chip); @@ -74,19 +98,129 @@ static void ssb_gpio_chipco_free(struct ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0); } -static int ssb_gpio_chipco_to_irq(struct gpio_chip *chip, unsigned gpio) +#if IS_ENABLED(CONFIG_SSB_EMBEDDED) +static void ssb_gpio_irq_chipco_mask(struct irq_data *d) { - struct ssb_bus *bus = ssb_gpio_get_bus(chip); + struct ssb_bus *bus = irq_data_get_irq_chip_data(d); + int gpio = irqd_to_hwirq(d); - if (bus->bustype == SSB_BUSTYPE_SSB) - return ssb_mips_irq(bus->chipco.dev) + 2; - else - return -EINVAL; + ssb_chipco_gpio_intmask(&bus->chipco, BIT(gpio), 0); +} + +static void ssb_gpio_irq_chipco_unmask(struct irq_data *d) +{ + struct ssb_bus *bus = irq_data_get_irq_chip_data(d); + int gpio = irqd_to_hwirq(d); + u32 val = ssb_chipco_gpio_in(&bus->chipco, BIT(gpio)); + + ssb_chipco_gpio_polarity(&bus->chipco, BIT(gpio), val); + ssb_chipco_gpio_intmask(&bus->chipco, BIT(gpio), BIT(gpio)); +} + +static struct irq_chip ssb_gpio_irq_chipco_chip = { + .name = "SSB-GPIO-CC", + .irq_mask = ssb_gpio_irq_chipco_mask, + .irq_unmask = ssb_gpio_irq_chipco_unmask, +}; + +static irqreturn_t ssb_gpio_irq_chipco_handler(int irq, void *dev_id) +{ + struct ssb_bus *bus = dev_id; + struct ssb_chipcommon *chipco = &bus->chipco; + u32 val = chipco_read32(chipco, SSB_CHIPCO_GPIOIN); + u32 mask = chipco_read32(chipco, SSB_CHIPCO_GPIOIRQ); + u32 pol = chipco_read32(chipco, SSB_CHIPCO_GPIOPOL); + unsigned long irqs = (val ^ pol) & mask; + int gpio; + + if (!irqs) + return IRQ_NONE; + + for_each_set_bit(gpio, &irqs, bus->gpio.ngpio) + generic_handle_irq(ssb_gpio_to_irq(&bus->gpio, gpio)); + ssb_chipco_gpio_polarity(chipco, irqs, val & irqs); + + return IRQ_HANDLED; +} + +static int ssb_gpio_irq_chipco_domain_init(struct ssb_bus *bus) +{ + struct ssb_chipcommon *chipco = &bus->chipco; + struct gpio_chip *chip = &bus->gpio; + int gpio, hwirq, err; + + if (bus->bustype != SSB_BUSTYPE_SSB) + return 0; + + bus->irq_domain = irq_domain_add_linear(NULL, chip->ngpio, + &irq_domain_simple_ops, chipco); + if (!bus->irq_domain) { + err = -ENODEV; + goto err_irq_domain; + } + for (gpio = 0; gpio < chip->ngpio; gpio++) { + int irq = irq_create_mapping(bus->irq_domain, gpio); + + irq_set_chip_data(irq, bus); + irq_set_chip_and_handler(irq, &ssb_gpio_irq_chipco_chip, + handle_simple_irq); + } + + hwirq = ssb_mips_irq(bus->chipco.dev) + 2; + err = request_irq(hwirq, ssb_gpio_irq_chipco_handler, IRQF_SHARED, + "gpio", bus); + if (err) + goto err_req_irq; + + ssb_chipco_gpio_intmask(&bus->chipco, ~0, 0); + chipco_set32(chipco, SSB_CHIPCO_IRQMASK, SSB_CHIPCO_IRQ_GPIO); + + return 0; + +err_req_irq: + for (gpio = 0; gpio < chip->ngpio; gpio++) { + int irq = irq_find_mapping(bus->irq_domain, gpio); + + irq_dispose_mapping(irq); + } + irq_domain_remove(bus->irq_domain); +err_irq_domain: + return err; +} + +static void ssb_gpio_irq_chipco_domain_exit(struct ssb_bus *bus) +{ + struct ssb_chipcommon *chipco = &bus->chipco; + struct gpio_chip *chip = &bus->gpio; + int gpio; + + if (bus->bustype != SSB_BUSTYPE_SSB) + return; + + chipco_mask32(chipco, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO); + free_irq(ssb_mips_irq(bus->chipco.dev) + 2, chipco); + for (gpio = 0; gpio < chip->ngpio; gpio++) { + int irq = irq_find_mapping(bus->irq_domain, gpio); + + irq_dispose_mapping(irq); + } + irq_domain_remove(bus->irq_domain); +} +#else +static int ssb_gpio_irq_chipco_domain_init(struct ssb_bus *bus) +{ + return 0; +} + +static void ssb_gpio_irq_chipco_domain_exit(struct ssb_bus *bus) +{ } +#endif static int ssb_gpio_chipco_init(struct ssb_bus *bus) { struct gpio_chip *chip = &bus->gpio; + int err; chip->label = "ssb_chipco_gpio"; chip->owner = THIS_MODULE; @@ -96,7 +230,9 @@ static int ssb_gpio_chipco_init(struct s chip->set = ssb_gpio_chipco_set_value; chip->direction_input = ssb_gpio_chipco_direction_input; chip->direction_output = ssb_gpio_chipco_direction_output; - chip->to_irq = ssb_gpio_chipco_to_irq; +#if IS_ENABLED(CONFIG_SSB_EMBEDDED) + chip->to_irq = ssb_gpio_to_irq; +#endif chip->ngpio = 16; /* There is just one SoC in one device and its GPIO addresses should be * deterministic to address them more easily. The other buses could get @@ -106,9 +242,23 @@ static int ssb_gpio_chipco_init(struct s else chip->base = -1; - return gpiochip_add(chip); + err = ssb_gpio_irq_chipco_domain_init(bus); + if (err) + return err; + + err = gpiochip_add(chip); + if (err) { + ssb_gpio_irq_chipco_domain_exit(bus); + return err; + } + + return 0; } +/************************************************** + * EXTIF + **************************************************/ + #ifdef CONFIG_SSB_DRIVER_EXTIF static int ssb_gpio_extif_get_value(struct gpio_chip *chip, unsigned gpio) @@ -145,19 +295,127 @@ static int ssb_gpio_extif_direction_outp return 0; } -static int ssb_gpio_extif_to_irq(struct gpio_chip *chip, unsigned gpio) +#if IS_ENABLED(CONFIG_SSB_EMBEDDED) +static void ssb_gpio_irq_extif_mask(struct irq_data *d) { - struct ssb_bus *bus = ssb_gpio_get_bus(chip); + struct ssb_bus *bus = irq_data_get_irq_chip_data(d); + int gpio = irqd_to_hwirq(d); - if (bus->bustype == SSB_BUSTYPE_SSB) - return ssb_mips_irq(bus->extif.dev) + 2; - else - return -EINVAL; + ssb_extif_gpio_intmask(&bus->extif, BIT(gpio), 0); +} + +static void ssb_gpio_irq_extif_unmask(struct irq_data *d) +{ + struct ssb_bus *bus = irq_data_get_irq_chip_data(d); + int gpio = irqd_to_hwirq(d); + u32 val = ssb_extif_gpio_in(&bus->extif, BIT(gpio)); + + ssb_extif_gpio_polarity(&bus->extif, BIT(gpio), val); + ssb_extif_gpio_intmask(&bus->extif, BIT(gpio), BIT(gpio)); +} + +static struct irq_chip ssb_gpio_irq_extif_chip = { + .name = "SSB-GPIO-EXTIF", + .irq_mask = ssb_gpio_irq_extif_mask, + .irq_unmask = ssb_gpio_irq_extif_unmask, +}; + +static irqreturn_t ssb_gpio_irq_extif_handler(int irq, void *dev_id) +{ + struct ssb_bus *bus = dev_id; + struct ssb_extif *extif = &bus->extif; + u32 val = ssb_read32(extif->dev, SSB_EXTIF_GPIO_IN); + u32 mask = ssb_read32(extif->dev, SSB_EXTIF_GPIO_INTMASK); + u32 pol = ssb_read32(extif->dev, SSB_EXTIF_GPIO_INTPOL); + unsigned long irqs = (val ^ pol) & mask; + int gpio; + + if (!irqs) + return IRQ_NONE; + + for_each_set_bit(gpio, &irqs, bus->gpio.ngpio) + generic_handle_irq(ssb_gpio_to_irq(&bus->gpio, gpio)); + ssb_extif_gpio_polarity(extif, irqs, val & irqs); + + return IRQ_HANDLED; +} + +static int ssb_gpio_irq_extif_domain_init(struct ssb_bus *bus) +{ + struct ssb_extif *extif = &bus->extif; + struct gpio_chip *chip = &bus->gpio; + int gpio, hwirq, err; + + if (bus->bustype != SSB_BUSTYPE_SSB) + return 0; + + bus->irq_domain = irq_domain_add_linear(NULL, chip->ngpio, + &irq_domain_simple_ops, extif); + if (!bus->irq_domain) { + err = -ENODEV; + goto err_irq_domain; + } + for (gpio = 0; gpio < chip->ngpio; gpio++) { + int irq = irq_create_mapping(bus->irq_domain, gpio); + + irq_set_chip_data(irq, bus); + irq_set_chip_and_handler(irq, &ssb_gpio_irq_extif_chip, + handle_simple_irq); + } + + hwirq = ssb_mips_irq(bus->extif.dev) + 2; + err = request_irq(hwirq, ssb_gpio_irq_extif_handler, IRQF_SHARED, + "gpio", bus); + if (err) + goto err_req_irq; + + ssb_extif_gpio_intmask(&bus->extif, ~0, 0); + + return 0; + +err_req_irq: + for (gpio = 0; gpio < chip->ngpio; gpio++) { + int irq = irq_find_mapping(bus->irq_domain, gpio); + + irq_dispose_mapping(irq); + } + irq_domain_remove(bus->irq_domain); +err_irq_domain: + return err; } +static void ssb_gpio_irq_extif_domain_exit(struct ssb_bus *bus) +{ + struct ssb_extif *extif = &bus->extif; + struct gpio_chip *chip = &bus->gpio; + int gpio; + + if (bus->bustype != SSB_BUSTYPE_SSB) + return; + + free_irq(ssb_mips_irq(bus->extif.dev) + 2, extif); + for (gpio = 0; gpio < chip->ngpio; gpio++) { + int irq = irq_find_mapping(bus->irq_domain, gpio); + + irq_dispose_mapping(irq); + } + irq_domain_remove(bus->irq_domain); +} +#else +static int ssb_gpio_irq_extif_domain_init(struct ssb_bus *bus) +{ + return 0; +} + +static void ssb_gpio_irq_extif_domain_exit(struct ssb_bus *bus) +{ +} +#endif + static int ssb_gpio_extif_init(struct ssb_bus *bus) { struct gpio_chip *chip = &bus->gpio; + int err; chip->label = "ssb_extif_gpio"; chip->owner = THIS_MODULE; @@ -165,7 +423,9 @@ static int ssb_gpio_extif_init(struct ss chip->set = ssb_gpio_extif_set_value; chip->direction_input = ssb_gpio_extif_direction_input; chip->direction_output = ssb_gpio_extif_direction_output; - chip->to_irq = ssb_gpio_extif_to_irq; +#if IS_ENABLED(CONFIG_SSB_EMBEDDED) + chip->to_irq = ssb_gpio_to_irq; +#endif chip->ngpio = 5; /* There is just one SoC in one device and its GPIO addresses should be * deterministic to address them more easily. The other buses could get @@ -175,7 +435,17 @@ static int ssb_gpio_extif_init(struct ss else chip->base = -1; - return gpiochip_add(chip); + err = ssb_gpio_irq_extif_domain_init(bus); + if (err) + return err; + + err = gpiochip_add(chip); + if (err) { + ssb_gpio_irq_extif_domain_exit(bus); + return err; + } + + return 0; } #else @@ -185,6 +455,10 @@ static int ssb_gpio_extif_init(struct ss } #endif +/************************************************** + * Init + **************************************************/ + int ssb_gpio_init(struct ssb_bus *bus) { if (ssb_chipco_available(&bus->chipco)) --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -593,6 +593,13 @@ static int ssb_attach_queued_buses(void) ssb_pcicore_init(&bus->pcicore); if (bus->bustype == SSB_BUSTYPE_SSB) ssb_watchdog_register(bus); + + err = ssb_gpio_init(bus); + if (err == -ENOTSUPP) + ssb_dbg("GPIO driver not activated\n"); + else if (err) + ssb_dbg("Error registering GPIO driver: %i\n", err); + ssb_bus_may_powerdown(bus); err = ssb_devices_register(bus); @@ -830,11 +837,6 @@ static int ssb_bus_register(struct ssb_b ssb_chipcommon_init(&bus->chipco); ssb_extif_init(&bus->extif); ssb_mipscore_init(&bus->mipscore); - err = ssb_gpio_init(bus); - if (err == -ENOTSUPP) - ssb_dbg("GPIO driver not activated\n"); - else if (err) - ssb_dbg("Error registering GPIO driver: %i\n", err); err = ssb_fetch_invariants(bus, get_invariants); if (err) { ssb_bus_may_powerdown(bus); --- a/drivers/ssb/pci.c +++ b/drivers/ssb/pci.c @@ -326,13 +326,13 @@ err_ctlreg: return err; } -static s8 r123_extract_antgain(u8 sprom_revision, const u16 *in, - u16 mask, u16 shift) +static s8 sprom_extract_antgain(u8 sprom_revision, const u16 *in, u16 offset, + u16 mask, u16 shift) { u16 v; u8 gain; - v = in[SPOFF(SSB_SPROM1_AGAIN)]; + v = in[SPOFF(offset)]; gain = (v & mask) >> shift; if (gain == 0xFF) gain = 2; /* If unset use 2dBm */ @@ -416,12 +416,14 @@ static void sprom_extract_r123(struct ss SPEX(alpha2[1], SSB_SPROM1_CCODE, 0x00ff, 0); /* Extract the antenna gain values. */ - out->antenna_gain.a0 = r123_extract_antgain(out->revision, in, - SSB_SPROM1_AGAIN_BG, - SSB_SPROM1_AGAIN_BG_SHIFT); - out->antenna_gain.a1 = r123_extract_antgain(out->revision, in, - SSB_SPROM1_AGAIN_A, - SSB_SPROM1_AGAIN_A_SHIFT); + out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, + SSB_SPROM1_AGAIN, + SSB_SPROM1_AGAIN_BG, + SSB_SPROM1_AGAIN_BG_SHIFT); + out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, + SSB_SPROM1_AGAIN, + SSB_SPROM1_AGAIN_A, + SSB_SPROM1_AGAIN_A_SHIFT); if (out->revision >= 2) sprom_extract_r23(out, in); } @@ -468,7 +470,15 @@ static void sprom_extract_r458(struct ss static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in) { + static const u16 pwr_info_offset[] = { + SSB_SPROM4_PWR_INFO_CORE0, SSB_SPROM4_PWR_INFO_CORE1, + SSB_SPROM4_PWR_INFO_CORE2, SSB_SPROM4_PWR_INFO_CORE3 + }; u16 il0mac_offset; + int i; + + BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) != + ARRAY_SIZE(out->core_pwr_info)); if (out->revision == 4) il0mac_offset = SSB_SPROM4_IL0MAC; @@ -524,14 +534,59 @@ static void sprom_extract_r45(struct ssb } /* Extract the antenna gain values. */ - SPEX(antenna_gain.a0, SSB_SPROM4_AGAIN01, - SSB_SPROM4_AGAIN0, SSB_SPROM4_AGAIN0_SHIFT); - SPEX(antenna_gain.a1, SSB_SPROM4_AGAIN01, - SSB_SPROM4_AGAIN1, SSB_SPROM4_AGAIN1_SHIFT); - SPEX(antenna_gain.a2, SSB_SPROM4_AGAIN23, - SSB_SPROM4_AGAIN2, SSB_SPROM4_AGAIN2_SHIFT); - SPEX(antenna_gain.a3, SSB_SPROM4_AGAIN23, - SSB_SPROM4_AGAIN3, SSB_SPROM4_AGAIN3_SHIFT); + out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN01, + SSB_SPROM4_AGAIN0, + SSB_SPROM4_AGAIN0_SHIFT); + out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN01, + SSB_SPROM4_AGAIN1, + SSB_SPROM4_AGAIN1_SHIFT); + out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN23, + SSB_SPROM4_AGAIN2, + SSB_SPROM4_AGAIN2_SHIFT); + out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in, + SSB_SPROM4_AGAIN23, + SSB_SPROM4_AGAIN3, + SSB_SPROM4_AGAIN3_SHIFT); + + /* Extract cores power info info */ + for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) { + u16 o = pwr_info_offset[i]; + + SPEX(core_pwr_info[i].itssi_2g, o + SSB_SPROM4_2G_MAXP_ITSSI, + SSB_SPROM4_2G_ITSSI, SSB_SPROM4_2G_ITSSI_SHIFT); + SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SPROM4_2G_MAXP_ITSSI, + SSB_SPROM4_2G_MAXP, 0); + + SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SPROM4_2G_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SPROM4_2G_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SPROM4_2G_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_2g[3], o + SSB_SPROM4_2G_PA_3, ~0, 0); + + SPEX(core_pwr_info[i].itssi_5g, o + SSB_SPROM4_5G_MAXP_ITSSI, + SSB_SPROM4_5G_ITSSI, SSB_SPROM4_5G_ITSSI_SHIFT); + SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SPROM4_5G_MAXP_ITSSI, + SSB_SPROM4_5G_MAXP, 0); + SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM4_5GHL_MAXP, + SSB_SPROM4_5GH_MAXP, 0); + SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM4_5GHL_MAXP, + SSB_SPROM4_5GL_MAXP, SSB_SPROM4_5GL_MAXP_SHIFT); + + SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SPROM4_5GL_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SPROM4_5GL_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SPROM4_5GL_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5gl[3], o + SSB_SPROM4_5GL_PA_3, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SPROM4_5G_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SPROM4_5G_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SPROM4_5G_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5g[3], o + SSB_SPROM4_5G_PA_3, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SPROM4_5GH_PA_0, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SPROM4_5GH_PA_1, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SPROM4_5GH_PA_2, ~0, 0); + SPEX(core_pwr_info[i].pa_5gh[3], o + SSB_SPROM4_5GH_PA_3, ~0, 0); + } sprom_extract_r458(out, in); @@ -621,14 +676,22 @@ static void sprom_extract_r8(struct ssb_ SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, 0xFFFFFFFF, 0); /* Extract the antenna gain values. */ - SPEX(antenna_gain.a0, SSB_SPROM8_AGAIN01, - SSB_SPROM8_AGAIN0, SSB_SPROM8_AGAIN0_SHIFT); - SPEX(antenna_gain.a1, SSB_SPROM8_AGAIN01, - SSB_SPROM8_AGAIN1, SSB_SPROM8_AGAIN1_SHIFT); - SPEX(antenna_gain.a2, SSB_SPROM8_AGAIN23, - SSB_SPROM8_AGAIN2, SSB_SPROM8_AGAIN2_SHIFT); - SPEX(antenna_gain.a3, SSB_SPROM8_AGAIN23, - SSB_SPROM8_AGAIN3, SSB_SPROM8_AGAIN3_SHIFT); + out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN01, + SSB_SPROM8_AGAIN0, + SSB_SPROM8_AGAIN0_SHIFT); + out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN01, + SSB_SPROM8_AGAIN1, + SSB_SPROM8_AGAIN1_SHIFT); + out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN23, + SSB_SPROM8_AGAIN2, + SSB_SPROM8_AGAIN2_SHIFT); + out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in, + SSB_SPROM8_AGAIN23, + SSB_SPROM8_AGAIN3, + SSB_SPROM8_AGAIN3_SHIFT); /* Extract cores power info info */ for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) { --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -33,6 +33,7 @@ struct ssb_sprom { u8 et1phyaddr; /* MII address for enet1 */ u8 et0mdcport; /* MDIO for enet0 */ u8 et1mdcport; /* MDIO for enet1 */ + u16 dev_id; /* Device ID overriding e.g. PCI ID */ u16 board_rev; /* Board revision number from SPROM. */ u16 board_num; /* Board number from SPROM. */ u16 board_type; /* Board type from SPROM. */ @@ -486,6 +487,7 @@ struct ssb_bus { #endif /* EMBEDDED */ #ifdef CONFIG_SSB_DRIVER_GPIO struct gpio_chip gpio; + struct irq_domain *irq_domain; #endif /* DRIVER_GPIO */ /* Internal-only stuff follows. Do not touch. */ --- a/include/linux/ssb/ssb_regs.h +++ b/include/linux/ssb/ssb_regs.h @@ -345,6 +345,43 @@ #define SSB_SPROM4_TXPID5GH2_SHIFT 0 #define SSB_SPROM4_TXPID5GH3 0xFF00 #define SSB_SPROM4_TXPID5GH3_SHIFT 8 + +/* There are 4 blocks with power info sharing the same layout */ +#define SSB_SPROM4_PWR_INFO_CORE0 0x0080 +#define SSB_SPROM4_PWR_INFO_CORE1 0x00AE +#define SSB_SPROM4_PWR_INFO_CORE2 0x00DC +#define SSB_SPROM4_PWR_INFO_CORE3 0x010A + +#define SSB_SPROM4_2G_MAXP_ITSSI 0x00 /* 2 GHz ITSSI and 2 GHz Max Power */ +#define SSB_SPROM4_2G_MAXP 0x00FF +#define SSB_SPROM4_2G_ITSSI 0xFF00 +#define SSB_SPROM4_2G_ITSSI_SHIFT 8 +#define SSB_SPROM4_2G_PA_0 0x02 /* 2 GHz power amp */ +#define SSB_SPROM4_2G_PA_1 0x04 +#define SSB_SPROM4_2G_PA_2 0x06 +#define SSB_SPROM4_2G_PA_3 0x08 +#define SSB_SPROM4_5G_MAXP_ITSSI 0x0A /* 5 GHz ITSSI and 5.3 GHz Max Power */ +#define SSB_SPROM4_5G_MAXP 0x00FF +#define SSB_SPROM4_5G_ITSSI 0xFF00 +#define SSB_SPROM4_5G_ITSSI_SHIFT 8 +#define SSB_SPROM4_5GHL_MAXP 0x0C /* 5.2 GHz and 5.8 GHz Max Power */ +#define SSB_SPROM4_5GH_MAXP 0x00FF +#define SSB_SPROM4_5GL_MAXP 0xFF00 +#define SSB_SPROM4_5GL_MAXP_SHIFT 8 +#define SSB_SPROM4_5G_PA_0 0x0E /* 5.3 GHz power amp */ +#define SSB_SPROM4_5G_PA_1 0x10 +#define SSB_SPROM4_5G_PA_2 0x12 +#define SSB_SPROM4_5G_PA_3 0x14 +#define SSB_SPROM4_5GL_PA_0 0x16 /* 5.2 GHz power amp */ +#define SSB_SPROM4_5GL_PA_1 0x18 +#define SSB_SPROM4_5GL_PA_2 0x1A +#define SSB_SPROM4_5GL_PA_3 0x1C +#define SSB_SPROM4_5GH_PA_0 0x1E /* 5.8 GHz power amp */ +#define SSB_SPROM4_5GH_PA_1 0x20 +#define SSB_SPROM4_5GH_PA_2 0x22 +#define SSB_SPROM4_5GH_PA_3 0x24 + +/* TODO: Make it deprecated */ #define SSB_SPROM4_MAXP_BG 0x0080 /* Max Power BG in path 1 */ #define SSB_SPROM4_MAXP_BG_MASK 0x00FF /* Mask for Max Power BG */ #define SSB_SPROM4_ITSSI_BG 0xFF00 /* Mask for path 1 itssi_bg */ --- a/arch/mips/bcm47xx/sprom.c +++ b/arch/mips/bcm47xx/sprom.c @@ -168,6 +168,7 @@ static void nvram_read_alpha2(const char static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom, const char *prefix, bool fallback) { + nvram_read_u16(prefix, NULL, "devid", &sprom->dev_id, 0, fallback); nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff, fallback); nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff, fallback); nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff, fallback);