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Searched refs:dmamux (Results 1 – 15 of 15) sorted by relevance

/linux/drivers/dma/
H A Dlpc18xx-dmamux.c44 struct lpc18xx_dmamux_data *dmamux = dev_get_drvdata(dev); in lpc18xx_dmamux_free() local
48 spin_lock_irqsave(&dmamux->lock, flags); in lpc18xx_dmamux_free()
50 spin_unlock_irqrestore(&dmamux->lock, flags); in lpc18xx_dmamux_free()
57 struct lpc18xx_dmamux_data *dmamux = platform_get_drvdata(pdev); in lpc18xx_dmamux_reserve() local
68 if (mux >= dmamux->dma_master_requests) { in lpc18xx_dmamux_reserve()
87 spin_lock_irqsave(&dmamux->lock, flags); in lpc18xx_dmamux_reserve()
88 if (dmamux->muxes[mux].busy) { in lpc18xx_dmamux_reserve()
89 spin_unlock_irqrestore(&dmamux->lock, flags); in lpc18xx_dmamux_reserve()
91 mux, mux, dmamux->muxes[mux].value); in lpc18xx_dmamux_reserve()
97 dmamux->muxes[mux].busy = true; in lpc18xx_dmamux_reserve()
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H A Dlpc32xx-dmamux.c79 struct lpc32xx_dmamux_data *dmamux = dev_get_drvdata(dev); in lpc32xx_dmamux_release() local
85 guard(spinlock)(&dmamux->lock); in lpc32xx_dmamux_release()
95 struct lpc32xx_dmamux_data *dmamux = platform_get_drvdata(pdev); in lpc32xx_dmamux_reserve() local
131 spin_lock_irqsave(&dmamux->lock, flags); in lpc32xx_dmamux_reserve()
133 spin_unlock_irqrestore(&dmamux->lock, flags); in lpc32xx_dmamux_reserve()
144 regmap_update_bits(dmamux->reg, mux->muxreg, BIT(mux->bit), mux->muxval); in lpc32xx_dmamux_reserve()
145 spin_unlock_irqrestore(&dmamux->lock, flags); in lpc32xx_dmamux_reserve()
166 struct lpc32xx_dmamux_data *dmamux; in lpc32xx_dmamux_probe() local
168 dmamux = devm_kzalloc(&pdev->dev, sizeof(*dmamux), GFP_KERNEL); in lpc32xx_dmamux_probe()
169 if (!dmamux) in lpc32xx_dmamux_probe()
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H A Dcv1800b-dmamux.c78 struct cv1800_dmamux_data *dmamux = dev_get_drvdata(dev); in cv1800_dmamux_free() local
81 guard(spinlock_irqsave)(&dmamux->lock); in cv1800_dmamux_free()
83 regmap_update_bits(dmamux->regmap, in cv1800_dmamux_free()
88 regmap_update_bits(dmamux->regmap, REG_DMA_INT_MUX, in cv1800_dmamux_free()
100 struct cv1800_dmamux_data *dmamux = platform_get_drvdata(pdev); in cv1800_dmamux_route_allocate() local
132 spin_lock_irqsave(&dmamux->lock, flags); in cv1800_dmamux_route_allocate()
134 if (test_bit(devid, dmamux->mapped_peripherals)) { in cv1800_dmamux_route_allocate()
135 llist_for_each_entry(map, dmamux->reserve_maps.first, node) { in cv1800_dmamux_route_allocate()
141 node = llist_del_first(&dmamux->free_maps); in cv1800_dmamux_route_allocate()
148 llist_add(&map->node, &dmamux->reserve_maps); in cv1800_dmamux_route_allocate()
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H A DMakefile54 obj-$(CONFIG_LPC18XX_DMAMUX) += lpc18xx-dmamux.o
55 obj-$(CONFIG_LPC32XX_DMAMUX) += lpc32xx-dmamux.o
74 obj-$(CONFIG_SOPHGO_CV1800B_DMAMUX) += cv1800b-dmamux.o
/linux/drivers/dma/stm32/
H A Dstm32-dmamux.c66 struct stm32_dmamux_data *dmamux = dev_get_drvdata(dev); in stm32_dmamux_free() local
71 spin_lock_irqsave(&dmamux->lock, flags); in stm32_dmamux_free()
73 stm32_dmamux_write(dmamux->iomem, STM32_DMAMUX_CCR(mux->chan_id), 0); in stm32_dmamux_free()
74 clear_bit(mux->chan_id, dmamux->dma_inuse); in stm32_dmamux_free()
78 spin_unlock_irqrestore(&dmamux->lock, flags); in stm32_dmamux_free()
90 struct stm32_dmamux_data *dmamux = platform_get_drvdata(pdev); in stm32_dmamux_route_allocate() local
101 if (dma_spec->args[0] > dmamux->dmamux_requests) { in stm32_dmamux_route_allocate()
113 spin_lock_irqsave(&dmamux->lock, flags); in stm32_dmamux_route_allocate()
114 mux->chan_id = find_first_zero_bit(dmamux->dma_inuse, in stm32_dmamux_route_allocate()
115 dmamux->dma_requests); in stm32_dmamux_route_allocate()
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H A DMakefile3 obj-$(CONFIG_STM32_DMAMUX) += stm32-dmamux.o
/linux/drivers/dma/dw/
H A Drzn1-dmamux.c31 struct rzn1_dmamux_data *dmamux = dev_get_drvdata(dev); in rzn1_dmamux_free() local
36 clear_bit(map->req_idx, dmamux->used_chans); in rzn1_dmamux_free()
45 struct rzn1_dmamux_data *dmamux = platform_get_drvdata(pdev); in rzn1_dmamux_route_allocate() local
91 if (test_and_set_bit(map->req_idx, dmamux->used_chans)) { in rzn1_dmamux_route_allocate()
105 clear_bit(map->req_idx, dmamux->used_chans); in rzn1_dmamux_route_allocate()
128 struct rzn1_dmamux_data *dmamux; in rzn1_dmamux_probe() local
130 dmamux = devm_kzalloc(&pdev->dev, sizeof(*dmamux), GFP_KERNEL); in rzn1_dmamux_probe()
131 if (!dmamux) in rzn1_dmamux_probe()
143 dmamux->dmarouter.dev = &pdev->dev; in rzn1_dmamux_probe()
144 dmamux->dmarouter.route_free = rzn1_dmamux_free; in rzn1_dmamux_probe()
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H A DMakefile13 obj-$(CONFIG_RZN1_DMAMUX) += rzn1-dmamux.o
/linux/arch/arm/boot/dts/renesas/
H A Dr9a06g032.dtsi111 dmamux: dma-router@a0 { label
112 compatible = "renesas,rzn1-dmamux";
214 dmas = <&dmamux 1 0 0 0 1 1>, <&dmamux 0 0 0 0 0 1>;
227 dmas = <&dmamux 3 0 0 0 3 1>, <&dmamux 2 0 0 0 2 1>;
240 dmas = <&dmamux 5 0 0 0 5 1>, <&dmamux 4 0 0 0 4 1>;
253 dmas = <&dmamux 7 0 0 0 7 1>, <&dmamux 6 0 0 0 6 1>;
266 dmas = <&dmamux 5 0 0 0 21 1>, <&dmamux 4 0 0 0 20 1>;
/linux/drivers/clk/renesas/
H A Dr9a06g032-clocks.c690 u32 dmamux; in r9a06g032_sysctrl_set_dmamux() local
697 dmamux = readl(sysctrl_priv->reg + R9A06G032_SYSCTRL_DMAMUX); in r9a06g032_sysctrl_set_dmamux()
698 dmamux &= ~mask; in r9a06g032_sysctrl_set_dmamux()
699 dmamux |= val & mask; in r9a06g032_sysctrl_set_dmamux()
700 writel(dmamux, sysctrl_priv->reg + R9A06G032_SYSCTRL_DMAMUX); in r9a06g032_sysctrl_set_dmamux()
/linux/arch/riscv/boot/dts/sophgo/
H A Dcv180x.dtsi46 dmamux: dma-router@154 { label
47 compatible = "sophgo,cv1800b-dmamux";
/linux/arch/arm/boot/dts/st/
H A Dstm32h743.dtsi300 compatible = "st,stm32h7-dmamux";
H A Dstm32mp131.dtsi779 compatible = "st,stm32h7-dmamux";
/linux/Documentation/arch/arm/stm32/
H A Dstm32-dma-mdma-chaining.rst409 .. _AN5224: https://www.st.com/resource/en/application_note/an5224-stm32-dmamux-the-dma-request-rou…
/linux/
H A DMAINTAINERS2905 F: drivers/dma/lpc32xx-dmamux.c
2918 F: Documentation/devicetree/bindings/dma/nxp,lpc3220-dmamux.yaml
25318 F: Documentation/devicetree/bindings/dma/renesas,rzn1-dmamux.yaml