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Searched full:dmamux (Results 1 – 22 of 22) 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-$(CONFIG_SOPHGO_CV1800B_DMAMUX) += cv1800b-dmamux.o
/linux/drivers/dma/stm32/
H A Dstm32-dmamux.c41 u32 dma_requests; /* Number of DMA requests connected to DMAMUX */
66 struct stm32_dmamux_data *dmamux = dev_get_drvdata(dev); in stm32_dmamux_free() local
71 spin_lock_irqsave(&dmamux->lock, flags); in stm32_dmamux_free()
73 stm32_dmamux_write(dmamux->iomem, STM32_DMAMUX_CCR(mux->chan_id), 0); in stm32_dmamux_free()
74 clear_bit(mux->chan_id, dmamux->dma_inuse); in stm32_dmamux_free()
78 spin_unlock_irqrestore(&dmamux->lock, flags); in stm32_dmamux_free()
80 dev_dbg(dev, "Unmapping DMAMUX(%u) to DMA%u(%u)\n", in stm32_dmamux_free()
90 struct stm32_dmamux_data *dmamux = platform_get_drvdata(pdev); in stm32_dmamux_route_allocate() local
101 if (dma_spec->args[0] > dmamux->dmamux_requests) { in stm32_dmamux_route_allocate()
113 spin_lock_irqsave(&dmamux->lock, flags); in stm32_dmamux_route_allocate()
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H A DMakefile3 obj-$(CONFIG_STM32_DMAMUX) += stm32-dmamux.o
H A DKconfig24 and want to use DMAMUX say Y here.
/linux/drivers/dma/dw/
H A Drzn1-dmamux.c31 struct rzn1_dmamux_data *dmamux = dev_get_drvdata(dev); in rzn1_dmamux_free() local
34 dev_dbg(dev, "Unmapping DMAMUX request %u\n", map->req_idx); in rzn1_dmamux_free()
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
88 dev_dbg(&pdev->dev, "Mapping DMAMUX request %u to DMAC%u request %u\n", in rzn1_dmamux_route_allocate()
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()
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H A DKconfig20 tristate "Renesas RZ/N1 DMAMUX driver"
24 Support the Renesas RZ/N1 DMAMUX which is located in front of
H A DMakefile13 obj-$(CONFIG_RZN1_DMAMUX) += rzn1-dmamux.o
/linux/Documentation/devicetree/bindings/dma/
H A Dnxp,lpc3220-dmamux.yaml4 $id: http://devicetree.org/schemas/dma/nxp,lpc3220-dmamux.yaml#
18 const: nxp,lpc3220-dmamux
43 compatible = "nxp,lpc3220-dmamux";
H A Dsophgo,cv1800b-dmamux.yaml4 $id: http://devicetree.org/schemas/dma/sophgo,cv1800b-dmamux.yaml#
22 const: sophgo,cv1800b-dmamux
47 compatible = "sophgo,cv1800b-dmamux";
H A Drenesas,rzn1-dmamux.yaml4 $id: http://devicetree.org/schemas/dma/renesas,rzn1-dmamux.yaml#
17 const: renesas,rzn1-dmamux
46 compatible = "renesas,rzn1-dmamux";
/linux/Documentation/arch/arm/stm32/
H A Dstm32-dma-mdma-chaining.rst19 (STM32 DMAMUX).
21 **STM32 DMAMUX**
23 STM32 DMAMUX routes any DMA request from a given peripheral to any STM32 DMA
72 | STM32 DMAMUX | STM32 DMA | STM32 DMA | STM32 MDMA |
132 * the STM32 MDMA request (which is actually the DMAMUX channel ID),
190 by MDMA driver with the STM32 DMAMUX channel ID passed through
300 three u32 : the first one containing STM32 DMAMUX channel ID, the second one
406 dealing with STM32 DMAMUX, STM32 DMA and STM32 MDMA.
409 .. _AN5224: https://www.st.com/resource/en/application_note/an5224-stm32-dmamux-the-dma-request-rou…
/linux/Documentation/devicetree/bindings/soc/sophgo/
H A Dsophgo,cv1800b-top-syscon.yaml36 $ref: /schemas/dma/sophgo,cv1800b-dmamux.yaml#
73 compatible = "sophgo,cv1800b-dmamux";
/linux/Documentation/devicetree/bindings/clock/
H A Drenesas,r9a06g032-sysctrl.yaml51 $ref: /schemas/dma/renesas,rzn1-dmamux.yaml#
/linux/include/dt-bindings/clock/
H A Dstm32mp1-clks.h86 #define DMAMUX 73 macro
/linux/drivers/clk/renesas/
H A Dr9a06g032-clocks.c686 /* Exported helper to access the DMAMUX register */
690 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/arm/boot/dts/st/
H A Dstm32h743.dtsi300 compatible = "st,stm32h7-dmamux";
H A Dstm32mp131.dtsi779 compatible = "st,stm32h7-dmamux";
/linux/drivers/clk/stm32/
H A Dclk-stm32mp1.c1959 PCLK(DMAMUX, "dmamux", "ck_mcu", 0, G_DMAMUX),
/linux/
H A DMAINTAINERS2951 F: drivers/dma/lpc32xx-dmamux.c
2958 LPC32XX DMAMUX SUPPORT
2964 F: Documentation/devicetree/bindings/dma/nxp,lpc3220-dmamux.yaml
25605 F: Documentation/devicetree/bindings/dma/renesas,rzn1-dmamux.yaml